configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [5.19.0],
   5         [https://github.com/mono/mono/issues/new])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  20
  21 AC_CONFIG_HEADERS([config.h])
  22 AM_MAINTAINER_MODE
  23
  24 API_VER=2.0
  25 AC_SUBST(API_VER)
  26
  27 AC_PROG_LN_S
  28
  29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  30
  31 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
  32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
  33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
  34
  35 #
  36 # This is the version of the corlib-runtime interface. When
  37 # making changes to this interface (by changing the layout
  38 # of classes the runtime knows about, changing icall signature or
  39 # semantics etc), change this variable.
  40 #
  41 # This must be unique relative to corlib interface/semantics.
  42 #
  43 # Generate it with uuidgen. For example:
  44 # perl -pi.bak -e "s/^MONO_CORLIB_VERSION=\S+/MONO_CORLIB_VERSION=`uuidgen`/" configure.ac
  45 #
  46 # There is no ordering of corlib versions, no old or new,
  47 # the runtime expects an exact match.
  48 #
  49 MONO_CORLIB_VERSION=67C68E7F-E554-4766-A151-8B94F457A035
  50
  51 #
  52 # Put a quoted #define in config.h.
  53 # Substitute @MONO_CORLIB_VERSION@ unquoted.
  54 #
  55 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,"$MONO_CORLIB_VERSION",[Version of the corlib-runtime interface])
  56 AC_SUBST(MONO_CORLIB_VERSION)
  57
  58 case $host_os in
  59 *cygwin* )
  60                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  61                  exit 1
  62 esac
  63
  64 # In case of cygwin, override LN_S, irrespective of what it determines.
  65 # The build uses cygwin, but the actual runtime doesn't.
  66 case $host_os in
  67 *cygwin* ) LN_S='cp -p';;
  68 esac
  69
  70 #
  71 # libgc defaults
  72 #
  73 libgc_configure_args=
  74
  75 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  76 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  77 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  78 CFLAGS_FOR_LIBGC=$CFLAGS
  79 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  80 CFLAGS_FOR_BTLS=$CFLAGS
  81
  82 # libgc uses some deprecated APIs
  83 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  84
  85 #
  86 # These are the flags that need to be stored in the mono.pc file for
  87 # compiling code that will embed Mono
  88 #
  89 libmono_cflags=""
  90 libmono_ldflags=""
  91 AC_SUBST(libmono_cflags)
  92 AC_SUBST(libmono_ldflags)
  93
  94 # Variable to have relocatable .pc files (lib, or lib64)
  95 # realpath isn't always available, and requires that all but the tip of the provided
  96 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  97 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  98 # too deep for the old method to work
  99 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
 100 AC_SUBST(reloc_libdir)
 101
 102 # Set to yes if Unix sockets cannot be created in an anonymous namespace
 103 need_link_unlink=no
 104
 105 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
 106 extra_runtime_ldflags=""
 107
 108 # Thread configuration inspired by sleepycat's db
 109 AC_MSG_CHECKING([host platform characteristics])
 110
 111 libgc_threads=no
 112 has_dtrace=no
 113 parallel_mark=yes
 114 ikvm_native=yes
 115
 116 host_win32=no
 117 target_win32=no
 118 platform_android=no
 119 platform_tizen=no
 120 platform_ios=no
 121 host_darwin=no
 122 host_linux=no
 123
 124 case "$host" in
 125         wasm32*)
 126                 CFLAGS="$CFLAGS -D_REENTRANT -D_GNU_SOURCE -s WASM=1"
 127                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DUSE_MMAP -s WASM=1"
 128                 libdl="-ldl"
 129                 libgc_threads=pthreads
 130                 platform_wasm=yes
 131                 ;;
 132         *-mingw*|*-*-cygwin*)
 133                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 134                 AC_DEFINE(HOST_NO_SYMLINKS,1,[This platform does not support symlinks])
 135                 host_win32=yes
 136                 mono_cv_clang=no
 137                 if test "x$cross_compiling" = "xno"; then
 138                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 139                                 target_win32=yes
 140                         fi
 141                 else
 142                         if test "x$host" = "x$target"; then
 143                                 target_win32=yes
 144                         fi
 145                 fi
 146                 HOST_CC="gcc"
 147                 # Windows 7 or later is required
 148                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0601 -D_WIN32_WINNT=0x0601 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 149                 LDFLAGS="$LDFLAGS -lbcrypt -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 150                 libmono_cflags="-mms-bitfields -mwindows"
 151                 libmono_ldflags="-mms-bitfields -mwindows"
 152                 libdl=
 153                 libgc_threads=win32
 154                 with_sigaltstack=no
 155                 with_tls=pthread
 156                 with_sgen_default_concurrent=yes
 157                 LN_S=cp
 158                 # This forces libgc to use the DllMain based thread registration code on win32
 159                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 160                 ;;
 161         *-*-*netbsd*)
 162                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 163                 libmono_cflags="-D_REENTRANT"
 164                 LDFLAGS="$LDFLAGS -pthread"
 165                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
 166                 libmono_ldflags="-pthread"
 167                 need_link_unlink=yes
 168                 libdl="-ldl"
 169                 libgc_threads=pthreads
 170                 with_sigaltstack=no
 171                 use_sigposix=yes
 172                 with_sgen_default_concurrent=yes
 173                 ;;
 174         *-*-kfreebsd*-gnu)
 175                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 176                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 177                 libmono_ldflags="-lpthread -pthread"
 178                 libdl="-ldl"
 179                 libgc_threads=pthreads
 180                 need_link_unlink=yes
 181                 with_sigaltstack=no
 182                 use_sigposix=yes
 183                 with_sgen_default_concurrent=yes
 184                 ;;
 185         *-*-*freebsd*)
 186                 if test "x$PTHREAD_CFLAGS" = "x"; then
 187                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 188                         libmono_cflags=
 189                 else
 190                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 191                         libmono_cflags="$PTHREAD_CFLAGS"
 192                 fi
 193                 if test "x$PTHREAD_LIBS" = "x"; then
 194                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 195                         libmono_ldflags="-pthread"
 196                 else
 197                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 198                         libmono_ldflags="$PTHREAD_LIBS"
 199                 fi
 200                 CPPFLAGS="$CPPFLAGS -DHOST_BSD"
 201                 need_link_unlink=yes
 202                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 203                 libdl=
 204                 libgc_threads=pthreads
 205                 use_sigposix=yes
 206                 has_dtrace=yes
 207                 with_sgen_default_concurrent=yes
 208                 ;;
 209         *-*-*openbsd*)
 210                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DHOST_BSD -D_REENTRANT -DUSE_MMAP"
 211                 LDFLAGS="${LDFLAGS} -Wl,-zwxneeded"
 212                 if test "x$disable_munmap" != "xyes"; then
 213                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 214                 fi
 215                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 216                 LDFLAGS="$LDFLAGS -pthread"
 217                 need_link_unlink=yes
 218                 AC_DEFINE(PTHREAD_POINTER_ID)
 219                 libdl=
 220                 libgc_threads=pthreads
 221                 with_tls=pthread
 222                 with_sigaltstack=no
 223                 use_sigposix=yes
 224                 with_sgen_default_concurrent=yes
 225                 ;;
 226         *-*-linux-android*)
 227                 platform_android=yes
 228                 AC_DEFINE(HOST_ANDROID,1,[Targeting the Android platform])
 229                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 230
 231                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 232                 if test "x$disable_munmap" != "xyes"; then
 233                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 234                 fi
 235                 libmono_cflags="-D_REENTRANT"
 236                 libdl="-ldl"
 237                 libgc_threads=pthreads
 238                 use_sigposix=yes
 239
 240                 with_tls=pthread
 241                 with_sigaltstack=no
 242                 with_static_mono=no
 243
 244                 # Android doesn't support boehm, as it's missing <link.h>
 245                 support_boehm=no
 246                 with_gc=sgen
 247
 248                 # isinf(3) requires -lm; see isinf check below
 249                 LDFLAGS="$LDFLAGS -lm"
 250
 251                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 252                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 253                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 254                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 255                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 256
 257                 # to bypass the underscore linker check, can't work when cross-compiling
 258                 mono_cv_uscore=yes
 259                 mono_cv_clang=no
 260                 ;;
 261         *-*-linux*)
 262                 host_linux=yes
 263                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 264                 if test "x$disable_munmap" != "xyes"; then
 265                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 266                 fi
 267                 libmono_cflags="-D_REENTRANT"
 268                 libdl="-ldl"
 269                 libgc_threads=pthreads
 270                 use_sigposix=yes
 271                 if test "x$cross_compiling" != "xno"; then
 272                         # to bypass the underscore linker check, not
 273                         # available during cross-compilation
 274                         mono_cv_uscore=no
 275                 fi
 276                 case "$host" in
 277                 *-tizen-linux-*)
 278                         platform_tizen=yes
 279                         ;;
 280                 esac
 281                 case "$host" in
 282                 aarch64-*)
 283                         support_boehm=no
 284                         with_gc=sgen
 285                         ;;
 286                 powerpc*-*-linux*)
 287                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 288                         disable_munmap=yes
 289                         ;;
 290                 esac
 291                 with_sgen_default_concurrent=yes
 292                 ;;
 293         *-*-nacl*)
 294                 echo "nacl no longer supported."
 295                 exit 1
 296                 ;;
 297         *-*-hpux*)
 298                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 299                 # +ESdbgasm only valid on bundled cc on RISC
 300                 # silently ignored for ia64
 301                 if test $GCC != "yes"; then
 302                         CFLAGS="$CFLAGS +ESdbgasm"
 303                         # Arrange for run-time dereferencing of null
 304                         # pointers to produce a SIGSEGV signal.
 305                         LDFLAGS="$LDFLAGS -z"
 306                 fi
 307                 CFLAGS="$CFLAGS +ESdbgasm"
 308                 LDFLAGS="$LDFLAGS -z"
 309                 libmono_cflags="-D_REENTRANT"
 310                 libmono_ldflags="-lpthread"
 311                 libgc_threads=pthreads
 312                 need_link_unlink=yes
 313                 use_sigposix=yes
 314                 ;;
 315         *-*-solaris*)
 316                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DHOST_SOLARIS"
 317                 need_link_unlink=yes
 318                 libmono_cflags="-D_REENTRANT"
 319                 libgc_threads=pthreads
 320                 has_dtrace=yes
 321                 use_sigposix=yes
 322                 enable_solaris_tar_check=yes
 323                 ;;
 324         *-*-darwin*)
 325                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 326                 host_darwin=yes
 327                 target_mach=yes
 328                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DUSE_MMAP -DUSE_MUNMAP"
 329                 libmono_cflags="-D_THREAD_SAFE"
 330                 need_link_unlink=yes
 331                 AC_DEFINE(PTHREAD_POINTER_ID)
 332                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 333                 libdl=
 334                 libgc_threads=pthreads
 335                 has_dtrace=yes
 336                 if test "x$cross_compiling" = "xyes"; then
 337                         has_broken_apple_cpp=yes
 338                 fi
 339                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 340                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 341                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 342                 case "$host" in
 343                         dnl Snow Leopard and newer config.guess reports as this
 344                         i*86-*-darwin*)
 345                                 BROKEN_DARWIN_FLAGS="-arch i386"
 346                                 BROKEN_DARWIN_CPPFLAGS=""
 347                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 348                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 349                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 350                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 351                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 352                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 353                                 with_sgen_default_concurrent=yes
 354                                 ;;
 355                         x*64-*-darwin*)
 356                                 with_sgen_default_concurrent=yes
 357                                 ;;
 358                         arm*-darwin*)
 359                                 platform_ios=yes
 360                                 has_dtrace=no
 361                                 ;;
 362                         aarch64*-darwin*)
 363                                 platform_ios=yes
 364                                 ;;
 365                 esac
 366                 ;;
 367         *-*-haiku*)
 368                 dnl BSD_SOURCE is for getifaddrs
 369                 CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D_REENTRANT -D_THREAD_SAFE"
 370                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 371                 libdl=
 372                 LIBS="$LIBS -lnetwork -ltextencoding"
 373                 need_link_unlink=yes
 374                 AC_DEFINE(PTHREAD_POINTER_ID)
 375                 dnl Haiku does not support static TLS with __thread
 376                 with_tls=pthread
 377                 libgc_threads=pthreads
 378                 use_sigposix=yes
 379                 with_sigaltstack=no
 380                 ;;
 381         *-*-aix*|*-*-os400*)
 382                 dnl Set up a 64-bit build
 383                 CPPFLAGS="$CPPFLAGS -maix64 -DGC_AIX_THREADS -D_ALL_SOURCE -D_THREAD_SAFE -D_LARGE_FILES -D_REENTRANT"
 384                 LDFLAGS="-maix64"
 385                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 386                 dnl Would you believe GNU nm doesn't know how to process AIX libraries?
 387                 dnl Hardcode IBM binutils in case GNU ones end up on our path. Also
 388                 dnl specifiy 64-bit mode for tools.
 389                 AR="/usr/bin/ar -X64"
 390                 NM="/usr/bin/nm -X64"
 391                 dnl SGen is the future (changes to Boehm support code would be
 392                 dnl required if you wish to re-enable Boehm)
 393                 support_boehm=no
 394                 with_gc=sgen
 395                 need_link_unlink=yes
 396                 use_sigposix=yes
 397                 dnl the valloc call to alloc the guard page bombs out, even with extending the data area
 398                 with_sigaltstack=no
 399                 dnl use pthread TLS, __thread has issues with the compiler flags we use
 400                 with_tls=pthread
 401                 dnl ppc Linux is the same? test further
 402                 disable_munmap=yes
 403                 ;;
 404         *)
 405                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 406                 libdl="-ldl"
 407                 ;;
 408 esac
 409
 410 AC_MSG_RESULT(ok)
 411
 412 if test x$need_link_unlink = xyes; then
 413    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 414 fi
 415
 416 if test x$host_win32 = xyes; then
 417    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 418 fi
 419
 420 if test x$target_win32 = xyes; then
 421    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 422 fi
 423
 424 if test x$host_darwin = xyes; then
 425    AC_DEFINE(HOST_DARWIN, 1, [Host Platform is Darwin])
 426 fi
 427
 428 # Defined for all targets/platforms using classic Windows API support.
 429 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 430 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 431
 432 AC_SUBST(extra_runtime_ldflags)
 433 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 434 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 435 AM_CONDITIONAL(HOST_LINUX, echo x$target_os | grep -q linux)
 436 AM_CONDITIONAL(HOST_DARWIN, test x$host_darwin = xyes)
 437 AM_CONDITIONAL(HOST_SIGPOSIX, test x$use_sigposix = xyes)
 438 AM_CONDITIONAL(HOST_ANDROID, test x$platform_android = xyes)
 439 AM_CONDITIONAL(HOST_TIZEN, test x$platform_tizen = xyes)
 440 AM_CONDITIONAL(HOST_IOS, test x$platform_ios = xyes)
 441 AM_CONDITIONAL(HOST_WASM, test x$platform_wasm = xyes)
 442
 443 if test -z "$HOST_DARWIN_TRUE"; then :
 444 PLATFORM_AOT_SUFFIX=.dylib
 445 fi
 446
 447 if test -z "$HOST_LINUX_TRUE"; then :
 448 PLATFORM_AOT_SUFFIX=.so
 449 fi
 450
 451 if test -z "$HOST_WIN32_TRUE"; then :
 452 PLATFORM_AOT_SUFFIX=.dll
 453 fi
 454
 455 AC_SUBST(PLATFORM_AOT_SUFFIX)
 456
 457 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 458
 459 AC_CHECK_TOOL(CC, gcc, gcc)
 460 AC_PROG_CC
 461 AC_CHECK_TOOL(CXX, g++, g++)
 462 AC_PROG_CXX
 463 AM_PROG_AS
 464 AC_PROG_INSTALL
 465 AC_PROG_AWK
 466 AM_PROG_CC_C_O
 467 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 468 : ${CCAS='$(CC)'}
 469 # Set ASFLAGS if not already set.
 470 : ${CCASFLAGS='$(CFLAGS)'}
 471 AC_SUBST(CCAS)
 472 AC_SUBST(CCASFLAGS)
 473
 474 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 475 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 476 if test "x$CXX" = "xg++"; then
 477         if test "x$GXX" != "xyes"; then
 478                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 479                 # are inside automake conditionals
 480                 AC_MSG_ERROR([You need to install g++])
 481         fi
 482 fi
 483
 484 dnl may require a specific autoconf version
 485 dnl AC_PROG_CC_FOR_BUILD
 486 dnl CC_FOR_BUILD not automatically detected
 487 CC_FOR_BUILD=$CC
 488 CFLAGS_FOR_BUILD=$CFLAGS
 489 BUILD_EXEEXT=
 490 if test "x$cross_compiling" = "xyes"; then
 491         CC_FOR_BUILD=cc
 492         CFLAGS_FOR_BUILD=
 493         BUILD_EXEEXT=""
 494 fi
 495 AC_SUBST(CC_FOR_BUILD)
 496 AC_SUBST(CFLAGS_FOR_BUILD)
 497 AC_SUBST(HOST_CC)
 498 AC_SUBST(BUILD_EXEEXT)
 499
 500 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 501 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 502
 503 # Set STDC_HEADERS
 504 AC_HEADER_STDC
 505 AC_LIBTOOL_WIN32_DLL
 506 # This causes monodis to not link correctly
 507 #AC_DISABLE_FAST_INSTALL
 508
 509 #lookup makedev() header
 510 AC_HEADER_MAJOR
 511
 512 AM_PROG_LIBTOOL
 513 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 514 DOLT
 515
 516 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 517 AC_SUBST(export_ldflags)
 518
 519 # Test whenever ld supports -version-script
 520 AC_PROG_LD
 521 AC_PROG_LD_GNU
 522
 523 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h copyfile.h)
 524 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 525 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 526                   [], [], [#include <stddef.h>
 527                   #include <sys/socket.h>
 528                   #include <linux/socket.h>])
 529
 530 AC_CHECK_HEADERS(sys/user.h, [], [],
 531 [
 532 #ifdef HAVE_SYS_PARAM_H
 533 # include <sys/param.h>
 534 #endif
 535 ])
 536
 537 AC_CHECK_HEADERS(linux/serial.h)
 538
 539 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 540 if test x$have_zlib = xyes; then
 541    AC_TRY_COMPILE([#include <zlib.h>], [
 542    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 543    #else
 544    #error No good zlib found
 545    #endif
 546    ],[
 547         AC_MSG_RESULT(Using system zlib)
 548         zlib_msg="system zlib"
 549         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 550    ],[
 551         AC_MSG_RESULT(Using embedded zlib)
 552         have_zlib=no
 553         zlib_msg="bundled zlib"
 554    ])
 555 fi
 556
 557 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 558 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 559
 560 # for mono/metadata/debug-symfile.c
 561 AC_CHECK_HEADERS(elf.h)
 562
 563 # for support
 564 AC_CHECK_HEADERS(poll.h)
 565 AC_CHECK_HEADERS(sys/poll.h)
 566 AC_CHECK_HEADERS(sys/wait.h)
 567 AC_CHECK_HEADERS(grp.h)
 568 AC_CHECK_HEADERS(syslog.h)
 569 AC_CHECK_FUNCS(vsyslog)
 570
 571 # for mono/dis
 572 AC_CHECK_HEADERS(wchar.h)
 573 AC_CHECK_HEADERS(ieeefp.h)
 574 AC_MSG_CHECKING(for isinf)
 575 AC_TRY_LINK([#include <math.h>], [
 576         int f = isinf (1.0);
 577 ], [
 578         AC_MSG_RESULT(yes)
 579         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 580 ], [
 581         # We'll have to use signals
 582         AC_MSG_RESULT(no)
 583 ])
 584 # mingw
 585 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 586         AC_TRY_LINK([#include <math.h>],
 587         [ _finite(0.0); ],
 588         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 589         AC_MSG_RESULT(no)))
 590
 591 # for Linux statfs support
 592 AC_CHECK_HEADERS(linux/magic.h)
 593
 594 # For Android NDK unified headers
 595 if test x$platform_android = xyes; then
 596         AC_CHECK_HEADERS(machine/endian.h sys/endian.h)
 597         AC_CHECK_HEADERS(android/legacy_signal_inlines.h, [have_android_signal_inlines=yes], [have_android_signal_inlines=no])
 598
 599         # Make sure SIGRT{MIN,MAX} work - they will fail to work with unified headers if building for
 600         # API level < 21 *and* android/legacy_signal_inlines.h doesn't declare (and define) the required
 601         # libc APIs to obtain values for SIGRT{MIN,MAX}. We perform the check only if android/legacy_signal_inlines.h
 602         # is found because in other cases the macros will either work (for NDK < 14) or fail if the legacy header
 603         # doesn't contain the required definitions (NDK 14)
 604         if test x$have_android_signal_inlines = xyes; then
 605                 AC_MSG_CHECKING([Whether Android SIGRTMIN/SGRTMAX macros are valid])
 606                 AC_COMPILE_IFELSE([
 607                         AC_LANG_PROGRAM([#include <android/legacy_signal_inlines.h>],[
 608                                 int i;
 609                                 for (i = SIGRTMIN + 1; i < SIGRTMAX; ++i) {
 610                                 }
 611                         ])],[
 612                                 AC_MSG_RESULT(yes)
 613                                 android_sigrtminmax_work=yes
 614                         ],[
 615                                 AC_MSG_RESULT(no)
 616                                 android_sigrtminmax_work=no
 617                         ]
 618                 )
 619
 620                 if test x$android_sigrtminmax_work = xno; then
 621                         AC_MSG_ERROR([Android SIGRTMIN/SIGRTMAX macros don't work in this NDK])
 622                 fi
 623         fi
 624
 625         # Attempt to detect whether we're using Android NDK unified headers
 626         AC_CHECK_HEADERS(android/api-level.h, [have_android_api_level=yes], [have_android_api_level=no])
 627         AC_CHECK_HEADERS(android/versioning.h, [have_android_versioning=yes], [have_android_versioning=no])
 628
 629         android_unified_headers=no
 630         if test x$have_android_api_level = xyes; then
 631                 if test x$have_android_versioning = xyes; then
 632                         AC_MSG_CHECKING([whether using Android NDK unified headers])
 633
 634                         # Both macros are defined only in the NDK unified headers
 635                         AC_COMPILE_IFELSE([
 636                                 AC_LANG_PROGRAM([
 637                                         #include <android/api-level.h>
 638                                         #include <android/versioning.h>
 639                                 ],[
 640                                         #if __ANDROID_API_O__ == 26 && defined(__INTRODUCED_IN)
 641                                         #else
 642                                                 #error __ANDROID_API_O__ != 26 or the __INTRODUCED_IN macro not defined
 643                                         #endif
 644                                 ])],[
 645                                         AC_MSG_RESULT(yes)
 646                                         android_unified_headers=yes
 647                                 ],[
 648                                         AC_MSG_RESULT(no)
 649                                         android_unified_headers=no
 650                                 ]
 651                         )
 652                 fi
 653         fi
 654
 655         if test x$android_unified_headers = xyes; then
 656                 AC_DEFINE(ANDROID_UNIFIED_HEADERS, 1, [Whether Android NDK unified headers are used])
 657         fi
 658 fi # Android
 659
 660 # not 64 bit clean in cross-compile
 661 AC_CHECK_SIZEOF(void *)
 662 AC_CHECK_SIZEOF(long)
 663
 664 AC_CHECK_SIZEOF(int)
 665 AC_CHECK_SIZEOF(long long)
 666
 667 AC_CACHE_CHECK([for clang],
 668         mono_cv_clang,[
 669         AC_TRY_COMPILE([], [
 670                 #ifdef __clang__
 671                 #else
 672                 #error "FAILED"
 673                 #endif
 674         ],
 675         [mono_cv_clang=yes],
 676         [mono_cv_clang=no],
 677         [])
 678 ])
 679
 680 AC_ARG_ENABLE(visibility-hidden,
 681 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 682    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 683
 684 WARN=''
 685 if test x"$GCC" = xyes; then
 686                 WARN='-Wall -Wunused -Wmissing-declarations -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 687                 CFLAGS="$CFLAGS -Wmissing-prototypes -Wstrict-prototypes -Wnested-externs -Wno-format-zero-length"
 688
 689                 # We require C99 with some GNU extensions, e.g. `linux` macro
 690                 CFLAGS="$CFLAGS -std=gnu99"
 691
 692                 # The runtime code does not respect ANSI C strict aliasing rules
 693                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 694
 695                 # We rely on signed overflow to behave
 696                 CFLAGS="$CFLAGS -fwrapv"
 697
 698                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 699                 if test x"$disable_visibility_hidden" = xno; then
 700                    # Don't export any symbols by default
 701                    SHARED_CFLAGS="-fvisibility=hidden"
 702                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 703                 fi
 704
 705                 ORIG_CFLAGS=$CFLAGS
 706                 # Check for the normal version, since gcc ignores unknown -Wno options
 707                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 708                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 709                 AC_TRY_COMPILE([],[
 710                 ], [
 711                    AC_MSG_RESULT(yes)
 712                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 713                 ], [
 714                    AC_MSG_RESULT(no)
 715                    CFLAGS=$ORIG_CFLAGS
 716                 ])
 717
 718                 if test "x$mono_cv_clang" = "xyes"; then
 719                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 720                    WARN="$WARN -Qunused-arguments"
 721                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 722                    # We rely on zero length arrays in structs
 723                    WARN="$WARN -Wno-zero-length-array"
 724                 fi
 725 else
 726         # The Sun Forte compiler complains about inline functions that access static variables
 727         # so disable all inlining.
 728         case "$host" in
 729         *-*-solaris*)
 730                 CFLAGS="$CFLAGS -Dinline="
 731                 ;;
 732         esac
 733 fi
 734 CFLAGS="$WARN $CFLAGS -g"
 735 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 736 CPPFLAGS="$WARN $CPPFLAGS -g"
 737
 738 # Where's the 'mcs' source tree?
 739 if test -d $srcdir/mcs; then
 740   mcsdir=mcs
 741 else
 742   mcsdir=../mcs
 743 fi
 744
 745 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 746         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 747                 mcsdir=$with_mcs_path
 748         fi
 749 )
 750
 751 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 752
 753 #
 754 # A sanity check to catch cases where the package was unpacked
 755 # with an ancient tar program (Solaris)
 756 #
 757 AC_ARG_ENABLE(solaris-tar-check,
 758 [  --disable-solaris-tar-check    disable solaris tar check],
 759    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 760
 761 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 762         AC_MSG_CHECKING(integrity of package)
 763         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 764         then
 765                 AC_MSG_RESULT(ok)
 766         else
 767                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 768                 AC_MSG_ERROR([$errorm])
 769         fi
 770 fi
 771
 772 if test "x$with_mcs_path" != "x"; then
 773 mcs_topdir=$(cd "$mcsdir" && pwd)
 774 mcs_topdir_from_srcdir=$mcs_topdir
 775 else
 776 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 777 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 778 fi
 779
 780 # Convert mcs_topdir* paths to Windows syntax.
 781 if test x$cross_compiling$host_win32 = xnoyes; then
 782   mcs_topdir=$(cygpath -m $mcs_topdir)
 783   case $mcs_topdir_from_srcdir in
 784     /cygdrive/*)
 785         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 786         ;;
 787   esac
 788 fi
 789
 790 AC_SUBST([mcs_topdir])
 791 AC_SUBST([mcs_topdir_from_srcdir])
 792
 793 # gettext: prepare the translation directories.
 794 # we do not configure the full gettext, as we consume it dynamically from C#
 795 AM_PO_SUBDIRS
 796
 797 if test "x$USE_NLS" = "xyes"; then
 798    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 799
 800    if test "x$HAVE_MSGFMT" = "xno"; then
 801           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 802    fi
 803 fi
 804
 805 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 806
 807 pkg_config_path=
 808 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 809         if test x$with_crosspkgdir = "x"; then
 810                 if test -s $PKG_CONFIG_PATH; then
 811                         pkg_config_path=$PKG_CONFIG_PATH
 812                 fi
 813         else
 814                 pkg_config_path=$with_crosspkgdir
 815                 PKG_CONFIG_PATH=$pkg_config_path
 816                 export PKG_CONFIG_PATH
 817         fi
 818 )
 819
 820 AC_ARG_ENABLE(ninja,[  --enable-ninja    Enable using ninja where available], enable_ninja=$enableval)
 821 AC_CHECK_PROG(HAVE_NINJA, ninja, yes, no)
 822 AM_CONDITIONAL(NINJA, test x$enable_ninja = xyes -a x$HAVE_NINJA != xno)
 823
 824 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 825 if test x$werror_flag = xyes; then
 826         WERROR_CFLAGS="-Werror"
 827 fi
 828 AC_SUBST([WERROR_CFLAGS])
 829 AC_SUBST([SHARED_CFLAGS])
 830
 831 GLIB_CFLAGS='-I$(top_srcdir)/mono/eglib -I$(top_builddir)/mono/eglib'
 832
 833 AC_SUBST(GLIB_CFLAGS)
 834
 835 # Enable support for fast thread-local storage
 836 # Some systems have broken support, so we allow to disable it.
 837 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 838
 839 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 840 # This does not work on some platforms (bug #55253)
 841 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 842
 843 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 844 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 845 # Same as --with-shared_mono=no
 846 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 847
 848 if test "x$enable_static" = "xno"; then
 849    with_static_mono=no
 850 fi
 851
 852 if test "x$enable_shared" = "xno"; then
 853    with_shared_mono=no
 854 fi
 855
 856 if test "x$enable_libraries" = "xno"; then
 857    with_shared_mono=no
 858 fi
 859
 860 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 861
 862 if test "x$host_win32" = "xyes"; then
 863    # Boehm GC requires the runtime to be in its own dll
 864    with_static_mono=no
 865 fi
 866
 867 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 868 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 869 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 870 AC_ARG_ENABLE(support-build, [  --disable-support-build disable the build of the support directory], try_support_build=$enableval, enable_support_build=yes)
 871
 872 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 873 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 874         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 875         ORIG_CFLAGS=$CFLAGS
 876         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 877         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 878         AC_TRY_COMPILE([], [
 879         ], [
 880            AC_MSG_RESULT(yes)
 881            # Pass it to libgc as well
 882            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 883         ], [
 884            AC_MSG_RESULT(no)
 885            CFLAGS=$ORIG_CFLAGS
 886         ])
 887 fi
 888
 889 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 890
 891 if test x$enable_small_config = xyes; then
 892         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 893         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 894 fi
 895
 896 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 897
 898 DISABLED_FEATURES=none
 899 csc_compiler=default
 900 endian=unknown
 901 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 902 AC_MSG_CHECKING([CSharp compiler to use])
 903 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 904    if test x$withval = xmcs; then
 905        csc_compiler=mcs
 906    elif test x$withval = xroslyn; then
 907        csc_compiler=roslyn
 908    elif test x$withval = xdefault; then
 909        :
 910    else
 911        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 912    fi
 913 ],[csc_compiler=default])
 914
 915 if test $csc_compiler = default; then
 916    if test $endian = big; then
 917       csc_compiler=mcs
 918    elif test $endian = little; then
 919       case "$host" in
 920         powerpc*) csc_compiler=mcs ;;
 921         *) csc_compiler=roslyn ;;
 922       esac
 923    else
 924       csc_compiler=mcs
 925    fi
 926 fi
 927 AC_MSG_RESULT($csc_compiler)
 928
 929 AC_ARG_WITH(jemalloc,             [  --with-jemalloc=yes,no               If jemalloc is enabled (defaults to no)],                                     [], [with_jemalloc=no])
 930 AC_ARG_WITH(jemalloc-always,      [  --with-jemalloc_always=yes,no        If jemalloc is enabled and always used (defaults to yes)],                    [], [with_jemalloc_always=no])
 931 AC_ARG_WITH(jemalloc-assert,      [  --with-jemalloc_assert=yes,no        If jemalloc performs runtime checks for memory correctness (defaults to no)], [], [with_jemalloc_assert=no])
 932
 933
 934 if test x$target_win32 = xyes; then
 935 with_jemalloc=no
 936 with_jemalloc_assert=no
 937 with_jemalloc_always=no
 938 fi
 939
 940 AM_CONDITIONAL(MONO_JEMALLOC_ASSERT, [test "x$with_jemalloc_assert" = "xyes"])
 941 if test "x$with_jemalloc_assert" = "xyes"; then
 942 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_ASSERT"
 943 AC_DEFINE(MONO_JEMALLOC_ASSERT, 1, [Make jemalloc assert for mono])
 944 AC_SUBST(MONO_JEMALLOC_ASSERT, 1)
 945 fi
 946
 947 AM_CONDITIONAL(MONO_JEMALLOC_DEFAULT, [test "x$with_jemalloc_always" = "xyes"])
 948 if test "x$with_jemalloc_always" = "xyes"; then
 949 with_jemalloc=yes
 950 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_DEFAULT"
 951 AC_DEFINE(MONO_JEMALLOC_DEFAULT, 1, [Make jemalloc default for mono])
 952 AC_SUBST(MONO_JEMALLOC_DEFAULT, 1)
 953 fi
 954
 955 AM_CONDITIONAL(MONO_JEMALLOC_ENABLED, [test "x$with_jemalloc" = "xyes"])
 956 if test "x$with_jemalloc" = "xyes"; then
 957 JEMALLOC_LDFLAGS="-L`pwd`/mono/utils/jemalloc/jemalloc/lib -ljemalloc_pic"
 958 JEMALLOC_CFLAGS+=" -DMONO_JEMALLOC_ENABLED -I `pwd`/mono/utils/jemalloc/jemalloc/include"
 959 JEMALLOC_AUTOCONF_FLAGS=" --build=$target --host=$host"
 960
 961 if test "x$target_mach" = "xyes"; then
 962         JEMALLOC_CPPFLAGS=" -stdlib=libc++ "
 963 fi
 964
 965 AC_DEFINE(MONO_JEMALLOC_ENABLED, 1, [Enable jemalloc usage for mono])
 966 AC_SUBST(MONO_JEMALLOC_ENABLED, 1)
 967
 968 AC_SUBST(JEMALLOC_CFLAGS)
 969 AC_SUBST(JEMALLOC_CPPFLAGS)
 970 AC_SUBST(JEMALLOC_LDFLAGS)
 971 AC_SUBST(JEMALLOC_AUTOCONF_FLAGS)
 972 fi
 973
 974 # Terminology:
 975 # Crash privacy - Attempts to not send identifying information in the crash dump / to protect the obscurity of the program control flow
 976 # MERP - The MS telemetry profile. Not for general use.
 977 # Structured crashes - crashes at runtime that trigger a stack walk by mono that happens cooperatively
 978
 979 # Structured crashes are not merp crashes. Structured crashes are json dumps made by mono during crashes. Merp upload is going to use the dumping code is a very specific way, and is enabled at runtime with an icall.
 980
 981 #--with-crash_privacy=yes --with-structured_crashes=no means we don't wanna dump in non-merp-enabled builds, and we want to not send symbol strings. This is going to be the default pair of settings for VS4Mac.
 982 #--with-crash_privacy=yes --with-structured_crashes=yes means you want to see crashes on your console, and you want to not see unmanaged symbol names. This is an option for proprietary apps that have manual bugs filed.
 983 #--with-crash_privacy=no --with-structured_crashes=no means you want to see no crash dumps on failure and you don't care about privacy. This is how you'd set a "don't want it, don't care" configuration.
 984 #--with-crash_privacy=no --with-structured_crashes=yes means you want full crashes and you want to see them in the terminal, not on telemetry. This is going to be how we build for CI.
 985
 986 AC_ARG_WITH(crash-privacy,       [  --with-crash_privacy=yes,no         If you want your crashes to not include names of symbols present in the binary. ], [], [with_crash_privacy=yes])
 987 AC_ARG_WITH(structured-crashes,  [  --with-structured_crashes=yes,no    If you want your unmanaged crashes to result in a small crash dump file. ],        [], [with_structured_crashes=yes])
 988 AC_ARG_ENABLE(crash-reporting,  [  --disable-crash-reporting            Enable or Disable crash reporting subsystem],        [crash_reporting=$enableval], [crash_reporting=yes])
 989
 990 if test "x$with_crash_privacy" = "xyes"; then
 991 AC_DEFINE(MONO_PRIVATE_CRASHES,1,[Do not include names of unmanaged functions in the crash dump])
 992 fi
 993
 994 if test "x$with_structured_crashes" = "xno"; then
 995 AC_DEFINE(DISABLE_STRUCTURED_CRASH,1,[Do not create structured crash files during unmanaged crashes])
 996 fi
 997
 998 case "$host" in
 999         *-mingw*|*-*-cygwin*|*-*-aix*|*-*-os400*)
1000                 crash_reporting=no
1001                 ;;
1002 esac
1003
1004 if test "x$crash_reporting" != "xyes"; then
1005 CFLAGS="$CFLAGS -DDISABLE_CRASH_REPORTING=1"
1006 CXXFLAGS="$CXXFLAGS -DDISABLE_CRASH_REPORTING=1"
1007 fi
1008
1009 AC_ARG_ENABLE(monodroid, [ --enable-monodroid Enable runtime support for Monodroid (Xamarin.Android)], enable_monodroid=$enableval, enable_monodroid=no)
1010 AM_CONDITIONAL(ENABLE_MONODROID, test x$enable_monodroid = xyes)
1011
1012 AC_ARG_ENABLE(monotouch, [ --enable-monotouch Enable runtime support for Monotouch (Xamarin.iOS and Xamarin.Mac)], enable_monotouch=$enableval, enable_monotouch=no)
1013 AM_CONDITIONAL(ENABLE_MONOTOUCH, test x$enable_monotouch = xyes)
1014
1015 if test x$enable_monodroid = xyes; then
1016         AC_DEFINE(ENABLE_MONODROID, 1, [Enable runtime support for Monodroid (Xamarin.Android)])
1017 fi
1018
1019 if test x$enable_monotouch = xyes; then
1020         AC_DEFINE(ENABLE_MONOTOUCH, 1, [Enable runtime support for Monotouch (Xamarin.iOS and Xamarin.Mac)])
1021 fi
1022
1023 AC_ARG_ENABLE(cxx, [  --enable-cxx   compile some code as C++])
1024
1025 if test "x$enable_cxx" = "xyes"; then
1026
1027         # FIXME Centos6 requires a different flag for prerelease C++11.
1028         #CXX_ADD_CFLAGS=' -xc++ -std=gnu++98 -fno-exceptions -fno-rtti '
1029         CXX_ADD_CFLAGS=' -xc++ -std=gnu++0x -fno-exceptions -fno-rtti '
1030         # "c++0x" instead of C++11, for compat with Centos6/gcc4.4
1031
1032         # -std=gnu99 -xc++ is not allowed and errors.
1033         CXX_REMOVE_CFLAGS=-std=gnu99
1034         # These give warnings and should be removed. They are C-only.
1035         # i.e. C++ never allows these, they are always errors and their warningness is not controllable.
1036         CXX_REMOVE_CFLAGS="$CXX_REMOVE_CFLAGS -Wmissing-prototypes -Wstrict-prototypes -Wnested-externs"
1037         # Likewise with CentOS 6 gcc 4.4.
1038         CXX_REMOVE_CFLAGS="$CXX_REMOVE_CFLAGS -Werror-implicit-function-declaration"
1039
1040         # The C-only-ness of -Wno-format-zero-length varies with gcc version.
1041         # It is C-only prior to 4.7. Using it with C++ prior to 4.7
1042         # generates a warning every time we run gcc which is very unsightly.
1043         # The warning is for e.g. sprintf(foo, "") which can just be
1044         # foo[0] = 0 but Mono's use is more elaborate, not as easy to "fix",
1045         # and completely legal and valid.
1046         # We have to switch to C++ and not just use -xc++ because of -std=gnu99 (error when combined with -xc++).
1047         # Alternatively, just run $CXX -xc++ -c /dev/null.
1048         AC_LANG_PUSH(C++)
1049         ORIG_CXXFLAGS=$CXXFLAGS
1050         CXXFLAGS="$CXXFLAGS -Werror -Wno-format-zero-length -xc++ "
1051         AC_MSG_CHECKING(or C-only-ness of -Wno-format-zero-length)
1052         AC_TRY_COMPILE([ ], [ ], [ AC_MSG_RESULT(yes) ],
1053                                  [ AC_MSG_RESULT(no)
1054                                    CXX_REMOVE_CFLAGS="$CXX_REMOVE_CFLAGS -Wno-format-zero-length" ])
1055         CXXFLAGS=$ORIG_CXXFLAGS
1056         AC_LANG_POP(C++)
1057 fi
1058 AC_SUBST(CXX_ADD_CFLAGS)
1059 AC_SUBST(CXX_REMOVE_CFLAGS)
1060
1061 #
1062 # Set the build profiles and options before things which use them
1063 #
1064
1065 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
1066 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
1067 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
1068 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
1069 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
1070 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
1071 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
1072 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
1073 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
1074 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
1075 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
1076 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
1077 AC_ARG_WITH(wasm,                [  --with-wasm=yes,no                  If you want to build the WebAssembly (defaults to no)], [], [with_wasm=default])
1078
1079
1080 AC_ARG_WITH(runtime-preset, [  --with-runtime-preset=net_4_x,all,aot,aot_llvm,hybridaot,hybridaot_llvm,fullaot,fullaot_llvm,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
1081 AC_ARG_WITH(spectre-mitigation,             [  --with-spectre-mitigation=yes,no   If you want to build the runtime with compiler flags that enable Spectre mitigation (defaults to no)], [], [with_spectre_mitigation=default])
1082 AC_ARG_WITH(spectre-indirect-branch-choice,   [  --with-spectre-indirect-branch-choice=keep,thunk,inline,extern   Convert indirect branches to the specified kind of thunk (defaults to inline)], [], [with_spectre_indirect_branch_choice=inline])
1083 AC_ARG_WITH(spectre-function-return-choice, [  --with-spectre-function-return-choice=keep,thunk,inline,extern   Convert function return instructions to the specified kind of thunk (defaults to inline)], [], [with_spectre_function_return_choice=inline])
1084
1085 dnl
1086 dnl Spectre compiler mitigation flag checks
1087 dnl
1088 if test "x$with_spectre_mitigation" = "xyes"; then
1089    AC_MSG_NOTICE([Compiler Spectre mitigation support checks])
1090    SPECTRE_CFLAGS=
1091    SPECTRE_INDIRECT_BRANCH_KIND=
1092    case "x$with_spectre_indirect_branch_choice" in
1093        xkeep) SPECTRE_INDIRECT_BRANCH_KIND=keep ;;
1094        xthunk) SPECTRE_INDIRECT_BRANCH_KIND=thunk ;;
1095        xinline) SPECTRE_INDIRECT_BRANCH_KIND=thunk-inline ;;
1096        xextern) SPECTRE_INDIRECT_BRANCH_KIND=thunk-extern ;;
1097        *) AC_MSG_ERROR([Invalid indirect jump thunk kind ($with_spectre_indirect_branch_choice)]) ;;
1098    esac
1099
1100    SPECTRE_FUNCTION_RETURN_KIND=""
1101    case "x$with_spectre_function_return_choice" in
1102        xkeep) SPECTRE_FUNCTION_RETURN_KIND=keep ;;
1103        xthunk) SPECTRE_FUNCTION_RETURN_KIND=thunk ;;
1104        xinline) SPECTRE_FUNCTION_RETURN_KIND=thunk-inline ;;
1105        xextern) SPECTRE_FUNCTION_RETURN_KIND=thunk-extern ;;
1106        *) AC_MSG_ERROR([Invalid function return thunk kind ($with_spectre_function_return_choice)]) ;;
1107    esac
1108
1109    AX_CHECK_COMPILE_FLAG(
1110         [ -mindirect-branch=$SPECTRE_INDIRECT_BRANCH_KIND ],
1111         [ SPECTRE_CFLAGS="$SPECTRE_CFLAGS -mindirect-branch=$SPECTRE_INDIRECT_BRANCH_KIND" ]
1112    )
1113
1114    AX_CHECK_COMPILE_FLAG(
1115         [ -mfunction-return=$SPECTRE_FUNCTION_RETURN_KIND ],
1116         [ SPECTRE_CFLAGS="$SPECTRE_CFLAGS -mfunction-return=$SPECTRE_FUNCTION_RETURN_KIND" ]
1117    )
1118
1119    if test "x$SPECTRE_CFLAGS" != "x" ; then
1120         CFLAGS="$CFLAGS $SPECTRE_CFLAGS"
1121         CXXFLAGS="$CXXFLAGS $SPECTRE_CFLAGS"
1122         spectre_mitigation_status="mitigation enabled"
1123    fi
1124 else
1125         spectre_mitigation_status="no mitigation"
1126 fi
1127
1128 dnl
1129 dnl Profile defaults
1130 dnl
1131 TEST_PROFILE=default
1132 enable_llvm_default=no
1133
1134 with_profile4_x_default=no
1135 with_monodroid_default=no
1136 with_monotouch_default=no
1137 with_monotouch_watch_default=no
1138 with_monotouch_tv_default=no
1139 with_xammac_default=no
1140 with_testing_aot_hybrid_default=no
1141 with_testing_aot_full_default=no
1142 with_winaot_default=no
1143 with_orbis_default=no
1144 with_unreal_default=no
1145 with_wasm_default=no
1146
1147 with_bitcode_default=no
1148 enable_cooperative_suspend_default=no
1149 enable_hybrid_suspend_default=no
1150
1151 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=10000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
1152
1153 AOT_BUILD_ATTRS=$INVARIANT_AOT_OPTIONS
1154
1155 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
1156    DISABLE_MCS_DOCS_default=yes
1157 elif test x$with_runtime_preset = xnet_4_x; then
1158    with_profile4_x_default=yes
1159 elif test x$with_runtime_preset = xall; then
1160    with_profile4_x_default=yes
1161    with_monodroid_default=yes
1162    with_monotouch_default=yes
1163    with_monotouch_watch_default=yes
1164    with_monotouch_tv_default=yes
1165    with_xammac_default=yes
1166    with_winaot_default=yes
1167    with_orbis_default=yes
1168    with_unreal_default=yes
1169    with_wasm_default=yes
1170    with_testing_aot_hybrid_default=yes
1171    with_testing_aot_full_default=yes
1172 elif test x$with_runtime_preset = xbitcode; then
1173    DISABLE_MCS_DOCS_default=yes
1174    with_testing_aot_full_default=yes
1175    with_bitcode_default=yes
1176    enable_cooperative_suspend_default=yes
1177    TEST_PROFILE=testing_aot_full
1178    enable_llvm_default=yes
1179
1180    mono_feature_disable_com='yes'
1181    mono_feature_disable_remoting='yes'
1182    mono_feature_disable_reflection_emit_save='yes'
1183    mono_feature_disable_reflection_emit='yes'
1184    mono_feature_disable_appdomains='yes'
1185
1186    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
1187    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
1188    AOT_MODE="llvmonly"
1189 elif test x$with_runtime_preset = xfullaot; then
1190    DISABLE_MCS_DOCS_default=yes
1191    with_testing_aot_full_default=yes
1192    TEST_PROFILE=testing_aot_full
1193
1194    mono_feature_disable_com='yes'
1195    mono_feature_disable_remoting='yes'
1196    mono_feature_disable_reflection_emit_save='yes'
1197    mono_feature_disable_reflection_emit='yes'
1198    mono_feature_disable_appdomains='yes'
1199
1200    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
1201    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1202    AOT_MODE="full"
1203 elif test x$with_runtime_preset = xfullaot_llvm; then
1204    DISABLE_MCS_DOCS_default=yes
1205    with_testing_aot_full_default=yes
1206    TEST_PROFILE=testing_aot_full
1207
1208    mono_feature_disable_com='yes'
1209    mono_feature_disable_remoting='yes'
1210    mono_feature_disable_reflection_emit_save='yes'
1211    mono_feature_disable_reflection_emit='yes'
1212    mono_feature_disable_appdomains='yes'
1213
1214    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --llvm --aot=full,$INVARIANT_AOT_OPTIONS"
1215    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1216    AOT_MODE="full"
1217 elif test x$with_runtime_preset = xhybridaot; then
1218    DISABLE_MCS_DOCS_default=yes
1219    with_testing_aot_hybrid_default=yes
1220    TEST_PROFILE=testing_aot_hybrid
1221
1222    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
1223    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
1224 elif test x$with_runtime_preset = xhybridaot_llvm; then
1225    DISABLE_MCS_DOCS_default=yes
1226    with_testing_aot_hybrid_default=yes
1227    TEST_PROFILE=testing_aot_hybrid
1228
1229    AOT_BUILD_FLAGS="--runtime=mobile --llvm --aot=hybrid,$INVARIANT_AOT_OPTIONS"
1230    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
1231 elif test x$with_runtime_preset = xaot; then
1232    with_profile4_x_default=yes
1233
1234    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
1235    AOT_RUN_FLAGS=""
1236
1237    DISABLE_MCS_DOCS_default=yes
1238 elif test x$with_runtime_preset = xaot_llvm; then
1239    with_profile4_x_default=yes
1240
1241    AOT_BUILD_FLAGS="--llvm --aot=$INVARIANT_AOT_OPTIONS"
1242    AOT_RUN_FLAGS=""
1243
1244    DISABLE_MCS_DOCS_default=yes
1245 elif test x$with_runtime_preset = xwinaot; then
1246    DISABLE_MCS_DOCS_default=yes
1247    with_winaot_default=yes
1248    TEST_PROFILE=winaot
1249
1250    mono_feature_disable_com='yes'
1251    mono_feature_disable_remoting='yes'
1252    mono_feature_disable_reflection_emit_save='yes'
1253    mono_feature_disable_reflection_emit='yes'
1254    mono_feature_disable_appdomains='yes'
1255
1256    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1257    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1258    AOT_MODE="llvmonly"
1259 elif test x$with_runtime_preset = xorbis; then
1260    DISABLE_MCS_DOCS_default=yes
1261    with_orbis_default=yes
1262    TEST_PROFILE=orbis
1263
1264    mono_feature_disable_com='yes'
1265    mono_feature_disable_remoting='yes'
1266    mono_feature_disable_reflection_emit_save='yes'
1267    mono_feature_disable_reflection_emit='yes'
1268    mono_feature_disable_appdomains='yes'
1269
1270    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1271    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1272    AOT_MODE="full"
1273 elif test x$with_runtime_preset = xunreal; then
1274    DISABLE_MCS_DOCS_default=yes
1275    with_unreal_default=yes
1276    TEST_PROFILE=unreal
1277
1278    mono_feature_disable_com='yes'
1279    mono_feature_disable_remoting='yes'
1280    mono_feature_disable_appdomains='no'
1281
1282    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
1283    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
1284 elif test x$with_runtime_preset = xwasm; then
1285    DISABLE_MCS_DOCS_default=yes
1286    with_wasm_default=yes
1287    TEST_PROFILE=wasm
1288
1289    mono_feature_disable_com='yes'
1290    mono_feature_disable_remoting='yes'
1291    mono_feature_disable_reflection_emit_save='yes'
1292    mono_feature_disable_reflection_emit='yes'
1293    mono_feature_disable_appdomains='yes'
1294
1295    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
1296    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
1297 else
1298    with_profile4_x_default=yes
1299 fi
1300
1301 if test "x$AOT_BUILD_FLAGS" != "x"; then :
1302    AC_SUBST(AOT_BUILD_FLAGS)
1303    AC_SUBST(AOT_RUN_FLAGS)
1304    # For llvmonlycheck + fullaotcheck
1305    AC_SUBST(INVARIANT_AOT_OPTIONS)
1306 fi
1307
1308 AC_SUBST(TEST_PROFILE)
1309
1310 if test "x$with_profile4_x" = "xdefault"; then
1311    with_profile4_x=$with_profile4_x_default
1312 fi
1313 if test "x$with_monodroid" = "xdefault"; then
1314    with_monodroid=$with_monodroid_default
1315 fi
1316 if test "x$with_monotouch" = "xdefault"; then
1317    with_monotouch=$with_monotouch_default
1318 fi
1319 if test "x$with_monotouch_watch" = "xdefault"; then
1320    with_monotouch_watch=$with_monotouch_watch_default
1321 fi
1322 if test "x$with_monotouch_tv" = "xdefault"; then
1323    with_monotouch_tv=$with_monotouch_tv_default
1324 fi
1325 if test "x$with_bitcode" = "xdefault"; then
1326    with_bitcode=$with_bitcode_default
1327 fi
1328 if test "x$with_xammac" = "xdefault"; then
1329    with_xammac=$with_xammac_default
1330 fi
1331 if test "x$with_testing_aot_hybrid" = "xdefault"; then
1332    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
1333 fi
1334 if test "x$with_testing_aot_full" = "xdefault"; then
1335    with_testing_aot_full=$with_testing_aot_full_default
1336 fi
1337 if test "x$with_winaot" = "xdefault"; then
1338    with_winaot=$with_winaot_default
1339 fi
1340 if test "x$with_orbis" = "xdefault"; then
1341    with_orbis=$with_orbis_default
1342 fi
1343 if test "x$with_unreal" = "xdefault"; then
1344    with_unreal=$with_unreal_default
1345 fi
1346 if test "x$with_wasm" = "xdefault"; then
1347    with_wasm=$with_wasm_default
1348 fi
1349
1350
1351 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
1352 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
1353 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
1354 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
1355 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
1356 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
1357 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
1358 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
1359 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
1360 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
1361 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
1362 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1363 AM_CONDITIONAL(INSTALL_WASM, [test "x$with_wasm" != "xno"])
1364 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"] || [test "x$TEST_PROFILE" = "xwasm"])
1365 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1366
1367 default_profile=net_4_x
1368 if test -z "$INSTALL_MONODROID_TRUE"; then :
1369    default_profile=monodroid
1370 fi
1371 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1372    default_profile=monotouch
1373 fi
1374 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1375    default_profile=xammac
1376 fi
1377 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1378    default_profile=testing_aot_hybrid
1379 fi
1380 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1381    default_profile=testing_aot_full
1382 fi
1383 if test -z "$INSTALL_WINAOT_TRUE"; then :
1384    default_profile=winaot
1385 fi
1386 if test -z "$INSTALL_ORBIS_TRUE"; then :
1387    default_profile=orbis
1388 fi
1389 if test -z "$INSTALL_UNREAL_TRUE"; then :
1390    default_profile=unreal
1391 fi
1392 if test -z "$INSTALL_WASM_TRUE"; then :
1393    default_profile=wasm
1394 fi
1395 if test -z "$INSTALL_4_x_TRUE"; then :
1396    default_profile=net_4_x
1397 fi
1398 DEFAULT_PROFILE=$default_profile
1399 AC_SUBST(DEFAULT_PROFILE)
1400
1401 #
1402 # End build profile configuration
1403 #
1404
1405 if test x$USE_NLS = xprofile_default; then
1406
1407         AC_MSG_CHECKING([NLS used])
1408
1409         # We make the default value for USE_NLS
1410         # "no" on OSX because it isn't available on most
1411         # default OSX installs. The most common configurations will
1412         # all disable it, so this saves us typing.
1413         if test x$host_darwin = xyes; then
1414                 USE_NLS=no;
1415         else
1416                 USE_NLS=yes;
1417         fi
1418
1419         AC_SUBST([USE_NLS])
1420         AC_MSG_RESULT([$USE_NLS])
1421 fi
1422
1423 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1424      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1425      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, interpreter, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1426          security, lldb, mdb, sgen_marksweep_conc, sgen_split_nursery, sgen_gc_bridge, sgen_debug_helpers.],
1427 [
1428         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1429                 eval "mono_feature_disable_$feature='yes'"
1430         done
1431         DISABLED_FEATURES=$enable_minimal
1432         disabled="Disabled:      $enable_minimal"
1433 ],[])
1434
1435 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1436
1437 if test "x$mono_feature_disable_aot" = "xyes"; then
1438         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1439         enable_system_aot=no
1440         AC_MSG_NOTICE([Disabled AOT compiler])
1441 fi
1442
1443 if test "x$mono_feature_disable_profiler" = "xyes"; then
1444         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1445         AC_MSG_NOTICE([Disabled support for the profiler])
1446 fi
1447 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1448
1449 if test "x$mono_feature_disable_decimal" = "xyes"; then
1450         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1451         AC_MSG_NOTICE([Disabled support for decimal])
1452 fi
1453
1454 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1455         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1456         AC_MSG_NOTICE([Disabled support for P/Invoke])
1457 fi
1458
1459 if test "x$mono_feature_disable_debug" = "xyes"; then
1460         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1461         AC_MSG_NOTICE([Disabled support for runtime debugging])
1462 fi
1463
1464 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1465         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1466         mono_feature_disable_reflection_emit_save=yes
1467         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1468 fi
1469
1470 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1471         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1472         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1473 fi
1474
1475 if test "x$mono_feature_disable_large_code" = "xyes"; then
1476         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1477         AC_MSG_NOTICE([Disabled support for large assemblies])
1478 fi
1479
1480 if test "x$mono_feature_disable_logging" = "xyes"; then
1481         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1482         AC_MSG_NOTICE([Disabled support for logging])
1483 fi
1484
1485 if test "x$mono_feature_disable_com" = "xyes"; then
1486         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1487         AC_MSG_NOTICE([Disabled COM support])
1488 fi
1489
1490 if test "x$mono_feature_disable_ssa" = "xyes"; then
1491         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1492         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1493 fi
1494
1495 if test "x$mono_feature_disable_generics" = "xyes"; then
1496         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1497         AC_MSG_NOTICE([Disabled Generics Support])
1498 fi
1499
1500 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1501         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1502         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1503 fi
1504
1505 if test "x$mono_feature_disable_portability" = "xyes"; then
1506         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1507         AC_MSG_NOTICE([Disabled IO Portability layer])
1508 fi
1509
1510 if test "x$mono_feature_disable_attach" = "xyes"; then
1511         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1512         AC_MSG_NOTICE([Disabled agent attach])
1513 fi
1514
1515 if test "x$mono_feature_disable_verifier" = "xyes"; then
1516         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1517         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1518 fi
1519
1520 if test "x$mono_feature_disable_jit" = "xyes"; then
1521         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode or interpreter will be supported by the runtime.])
1522         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT or interpreter will be supported])
1523 fi
1524
1525 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1526
1527 if test "x$mono_feature_disable_interpreter" = "xyes"; then
1528         AC_DEFINE(DISABLE_INTERPRETER, 1, [Disable the interpreter.])
1529         AC_MSG_NOTICE([Disabled the interpreter])
1530 fi
1531
1532 AM_CONDITIONAL(DISABLE_INTERPRETER, test x$mono_feature_disable_interpreter = xyes)
1533
1534 if test "x$mono_feature_disable_interpreter" != "xyes" -o "x$mono_feature_disable_jit" != "xyes"; then
1535         AC_DEFINE(ENABLE_ILGEN, 1, [Some VES is available at runtime])
1536 fi
1537
1538 AM_CONDITIONAL(ENABLE_ILGEN, test x$mono_feature_disable_interpreter != xyes -o x$mono_feature_disable_jit != xyes)
1539
1540 if test "x$mono_feature_disable_simd" = "xyes"; then
1541         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1542         AC_MSG_NOTICE([Disabled SIMD support])
1543 fi
1544
1545 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1546         AC_DEFINE(DISABLE_DEBUGGER_AGENT, 1, [Disable Soft Debugger Agent.])
1547         AC_MSG_NOTICE([Disabled Soft Debugger.])
1548 fi
1549
1550 AM_CONDITIONAL(DISABLE_DEBUGGER_AGENT, test x$mono_feature_disable_debugger_agent = xyes)
1551
1552 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1553         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1554         AC_MSG_NOTICE([Disabled Performance Counters.])
1555 fi
1556 if test "x$mono_feature_disable_normalization" = "xyes"; then
1557         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1558         AC_MSG_NOTICE([Disabled String normalization support.])
1559 fi
1560
1561 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1562 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1563         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1564         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1565 fi
1566
1567 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1568         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1569         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1570 fi
1571
1572 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1573         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1574         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1575 fi
1576
1577 if test "x$mono_feature_disable_remoting" = "xyes"; then
1578         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1579         AC_MSG_NOTICE([Disabled remoting])
1580 fi
1581
1582 if test "x$mono_feature_disable_security" = "xyes"; then
1583         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1584         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1585 fi
1586
1587 if test "x$mono_feature_disable_lldb" = "xyes"; then
1588         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1589         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1590 fi
1591
1592 if test "x$mono_feature_disable_mdb" = "xyes"; then
1593         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1594         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1595 fi
1596
1597 if test "x$mono_feature_disable_sgen_marksweep_conc" = "xyes"; then
1598         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_CONC, 1, [Disable concurrent gc support in SGEN.])
1599         AC_MSG_NOTICE([Disabled concurrent gc support in SGEN.])
1600 fi
1601
1602
1603 if test "x$mono_feature_disable_sgen_split_nursery" = "xyes"; then
1604         AC_DEFINE(DISABLE_SGEN_SPLIT_NURSERY, 1, [Disable minor=split support in SGEN.])
1605         AC_MSG_NOTICE([Disabled minor=split support in SGEN.])
1606 fi
1607
1608 if test "x$mono_feature_disable_sgen_gc_bridge" = "xyes"; then
1609         AC_DEFINE(DISABLE_SGEN_GC_BRIDGE, 1, [Disable gc bridge support in SGEN.])
1610         AC_MSG_NOTICE([Disabled gc bridge support in SGEN.])
1611 fi
1612
1613 if test "x$mono_feature_disable_sgen_debug_helpers" = "xyes"; then
1614         AC_DEFINE(DISABLE_SGEN_DEBUG_HELPERS, 1, [Disable debug helpers in SGEN.])
1615         AC_MSG_NOTICE([Disabled debug helpers in SGEN.])
1616 fi
1617
1618 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1619 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1620
1621 has_extension_module=no
1622 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1623 [
1624         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1625                 if test x$extension = xdefault ; then
1626                         has_extension_module=yes;
1627                 fi
1628         done
1629         if test x$enable_extension_module = xyes; then
1630                 has_extension_module=yes;
1631         fi
1632 ], [])
1633
1634 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1635
1636 if test x$has_extension_module != xno ; then
1637         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1638         AC_MSG_NOTICE([Enabling mono extension module.])
1639 fi
1640
1641 # Deprecated
1642 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1643
1644 AC_MSG_CHECKING(for visibility __attribute__)
1645 AC_COMPILE_IFELSE([
1646         AC_LANG_SOURCE([[
1647                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1648                 int main () { doit (); return 0; }
1649         ]])
1650 ], [
1651    have_visibility_hidden=yes
1652    AC_MSG_RESULT(yes)
1653 ], [
1654    have_visibility_hidden=no
1655    AC_MSG_RESULT(no)
1656 ])
1657
1658 dnl
1659 dnl Boehm GC configuration
1660 dnl
1661
1662 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1663
1664 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1665 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1666
1667 if test "x$support_boehm" = "xyes"; then
1668
1669         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1670         if test x$enable_parallel_mark = xyes; then
1671                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1672         fi
1673
1674         gc_msg=""
1675         LIBGC_CPPFLAGS=
1676         LIBGC_LIBS=
1677         LIBGC_STATIC_LIBS=
1678         libgc_dir=
1679         case "x$libgc" in
1680                 xincluded)
1681                         if test "x$support_boehm" = "xyes"; then
1682                                 libgc_dir=libgc
1683                         fi
1684
1685                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1686                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1687                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1688
1689                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1690
1691                         if test x$target_win32 = xyes; then
1692                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1693                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1694                         fi
1695
1696                         gc_msg="Included Boehm GC with typed GC"
1697                         if test x$enable_parallel_mark = xyes; then
1698                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1699                                 gc_msg="$gc_msg and parallel mark"
1700                         else
1701                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1702                         fi
1703                         ;;
1704
1705                 xboehm|xbohem|xyes)
1706                         AC_MSG_WARN("External Boehm is no longer supported")
1707                         ;;
1708
1709                 xsgen)
1710                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1711                         ;;
1712
1713                 xnone)
1714                         AC_MSG_WARN("Compiling mono without GC.")
1715                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1716                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1717                         gc_msg="none"
1718                         ;;
1719                 *)
1720                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1721                         ;;
1722         esac
1723
1724         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1725         if test "x$large_heap" = "xyes"; then
1726            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1727         fi
1728
1729         AC_SUBST(LIBGC_CPPFLAGS)
1730         AC_SUBST(LIBGC_LIBS)
1731         AC_SUBST(LIBGC_STATIC_LIBS)
1732         AC_SUBST(libgc_dir)
1733         AC_SUBST(BOEHM_DEFINES)
1734
1735 fi
1736 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1737
1738 dnl
1739 dnl End of Boehm GC Configuration
1740 dnl
1741
1742 dnl *************************************
1743 dnl *** Checks for zero length arrays ***
1744 dnl *************************************
1745 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1746 AC_TRY_COMPILE([
1747         struct s {
1748                 int  length;
1749                 char data [0];
1750         };
1751 ], [], [
1752         AC_MSG_RESULT(yes)
1753         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1754 ], [
1755         AC_MSG_RESULT(no)
1756         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1757 ])
1758
1759 dnl ***********************************
1760 dnl *** Checks for signals
1761 dnl ***********************************
1762 AC_CHECK_HEADERS(signal.h)
1763 AC_CHECK_FUNCS(sigaction)
1764 AC_CHECK_FUNCS(kill)
1765 AC_CHECK_FUNCS(signal)
1766
1767 # signal() is declared inline in Android headers
1768 # so we need to workaround it by overriding the check.
1769 if test x$platform_android = xyes; then
1770         AC_DEFINE(HAVE_SIGNAL,1)
1771 fi
1772
1773 if test x$host_win32 = xno; then
1774         dnl *************************************
1775         dnl *** Checks for time capabilities ***
1776         dnl *************************************
1777
1778         AC_MSG_CHECKING(for CLOCK_MONOTONIC)
1779         AC_TRY_COMPILE([#include <time.h>], [
1780                 const int foo = CLOCK_MONOTONIC;
1781         ],[
1782                 AC_MSG_RESULT(yes)
1783                 AC_DEFINE(HAVE_CLOCK_MONOTONIC, 1, [CLOCK_MONOTONIC])
1784         ], [
1785                 AC_MSG_RESULT(no)
1786         ])
1787
1788         AC_MSG_CHECKING(for CLOCK_MONOTONIC_COARSE)
1789         AC_TRY_COMPILE([#include <time.h>], [
1790                 const int foo = CLOCK_MONOTONIC_COARSE;
1791         ],[
1792                 AC_MSG_RESULT(yes)
1793                 AC_DEFINE(HAVE_CLOCK_MONOTONIC_COARSE, 1, [CLOCK_MONOTONIC_COARSE])
1794         ], [
1795                 AC_MSG_RESULT(no)
1796         ])
1797
1798         AC_MSG_CHECKING(for CLOCK_REALTIME)
1799         AC_TRY_COMPILE([#include <time.h>], [
1800                 const int foo = CLOCK_REALTIME;
1801         ],[
1802                 AC_MSG_RESULT(yes)
1803                 AC_DEFINE(HAVE_CLOCK_REALTIME, 1, [CLOCK_REALTIME])
1804         ], [
1805                 AC_MSG_RESULT(no)
1806         ])
1807
1808         AC_CHECK_FUNC(mach_absolute_time, [AC_DEFINE(HAVE_MACH_ABSOLUTE_TIME, 1, [mach_absolute_time])])
1809         AC_CHECK_FUNC(gethrtime, [AC_DEFINE(HAVE_GETHRTIME, 1, [gethrtime])])
1810         AC_CHECK_FUNC(read_real_time, [AC_DEFINE(HAVE_READ_REAL_TIME, 1, [read_real_time])])
1811         AC_CHECK_FUNC(mach_timebase_info, [AC_DEFINE(HAVE_MACH_TIMEBASE_INFO, 1, [mach_timebase_info])])
1812         AC_CHECK_FUNC(futimes,            [AC_DEFINE(HAVE_FUTIMES, 1, [futimes])])
1813         AC_CHECK_FUNC(futimens,           [AC_DEFINE(HAVE_FUTIMENS, 1, [futimens])])
1814
1815         dnl hires monotonic clock support
1816         AC_SEARCH_LIBS(clock_gettime, rt)
1817         AC_CHECK_FUNCS(clock_nanosleep)
1818
1819         dnl dynamic loader support
1820         AC_CHECK_FUNC(dlopen, DL_LIB="",
1821                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1822         )
1823         if test x$dl_support = xno; then
1824                 AC_MSG_WARN([No dynamic loading support available])
1825         else
1826                 LIBS="$LIBS $DL_LIB"
1827                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1828                 dnl from glib's configure.ac
1829                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1830                         mono_cv_uscore,[
1831                         AC_TRY_RUN([#include <dlfcn.h>
1832                         int mono_underscore_test (void) { return 42; }
1833                         int main() {
1834                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1835                           handle = dlopen ((void*)0, 0);
1836                           if (handle) {
1837                             f1 = dlsym (handle, "mono_underscore_test");
1838                             f2 = dlsym (handle, "_mono_underscore_test");
1839                           } return (!f2 || f1);
1840                         }],
1841                                 [mono_cv_uscore=yes],
1842                                 [mono_cv_uscore=no],
1843                         [])
1844                 ])
1845                 if test "x$mono_cv_uscore" = "xyes"; then
1846                         MONO_DL_NEED_USCORE=1
1847                 else
1848                         MONO_DL_NEED_USCORE=0
1849                 fi
1850                 AC_SUBST(MONO_DL_NEED_USCORE)
1851                 AC_CHECK_FUNC(dlerror)
1852         fi
1853
1854         dnl ******************************************************************
1855         dnl *** Checks for the IKVM JNI interface library                  ***
1856         dnl ******************************************************************
1857         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1858
1859         ikvm_native_dir=
1860         if test x$with_ikvm_native = xyes; then
1861                 ikvm_native_dir=ikvm-native
1862                 jdk_headers_found="IKVM Native"
1863         fi
1864
1865         AC_SUBST(ikvm_native_dir)
1866
1867         AC_CHECK_HEADERS(execinfo.h)
1868
1869         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1870
1871         AC_CHECK_FUNCS(getgrgid_r)
1872         AC_CHECK_FUNCS(getgrnam_r)
1873         AC_CHECK_FUNCS(getresuid)
1874         AC_CHECK_FUNCS(setresuid)
1875         AC_CHECK_FUNCS(kqueue)
1876         AC_CHECK_FUNCS(backtrace_symbols)
1877         AC_CHECK_FUNCS(mkstemp)
1878         AC_CHECK_FUNCS(mmap)
1879         AC_CHECK_FUNCS(madvise)
1880         AC_CHECK_FUNCS(getrusage)
1881         AC_CHECK_FUNCS(getpriority)
1882         AC_CHECK_FUNCS(setpriority)
1883         AC_CHECK_FUNCS(dl_iterate_phdr)
1884         AC_CHECK_FUNCS(dladdr)
1885         AC_CHECK_FUNCS(sysconf)
1886         AC_CHECK_FUNCS(getrlimit)
1887         AC_CHECK_FUNCS(prctl)
1888         AC_CHECK_FUNCS(arc4random)
1889         AC_CHECK_FUNCS(nl_langinfo)
1890
1891         AC_CHECK_FUNCS(sched_getaffinity)
1892         AC_CHECK_FUNCS(sched_setaffinity)
1893         AC_CHECK_FUNCS(sched_getcpu)
1894
1895         if test x$platform_android != xyes; then
1896                 AC_CHECK_FUNCS(getpwnam_r)
1897                 AC_CHECK_FUNCS(getpwuid_r)
1898         fi
1899
1900         AC_FUNC_STRERROR_R()
1901
1902         dnl ****************************************************************
1903         dnl *** Check for sched_setaffinity from glibc versions before   ***
1904         dnl *** 2.3.4. The older versions of the function only take 2    ***
1905         dnl *** parameters, not 3.                                       ***
1906         dnl ***                                                          ***
1907         dnl *** Because the interface change was not made in a minor     ***
1908         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1909         dnl *** won't always indicate the interface sched_affinity has.  ***
1910         dnl ****************************************************************
1911         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1912         AC_TRY_COMPILE([#include <sched.h>], [
1913             int mask = 1;
1914             sched_setaffinity(0, &mask);
1915         ], [
1916                 # Yes, we have it...
1917                 AC_MSG_RESULT(yes)
1918                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1919         ], [
1920                 # We have the new, three-parameter version
1921                 AC_MSG_RESULT(no)
1922         ])
1923         AC_TRY_COMPILE([#include <sched.h>], [
1924              CPU_COUNT((void *) 0);
1925         ], [
1926                 AC_MSG_RESULT(yes)
1927                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1928         ], [
1929                 # We have the new, three-parameter version
1930                 AC_MSG_RESULT(no)
1931         ])
1932
1933         dnl ******************************************************************
1934         dnl *** Check for large file support                               ***
1935         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1936         dnl ******************************************************************
1937
1938         # Check that off_t can represent 2**63 - 1 correctly, working around
1939         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1940         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1941         large_offt=no
1942         AC_DEFUN([LARGE_FILES], [
1943                 large_CPPFLAGS=$CPPFLAGS
1944                 CPPFLAGS="$CPPFLAGS $1"
1945                 AC_TRY_COMPILE([
1946                         #include <sys/types.h>
1947                         #include <limits.h>
1948                 ], [
1949                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1950                         #define COMPILE_TIME_ASSERT(pred) \
1951                                 switch(0){case 0:case pred:;}
1952                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1953                 ], [
1954                         AC_MSG_RESULT(ok)
1955                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1956                         large_CPPFLAGS="$large_CPPFLAGS $1"
1957                         large_offt=yes
1958                 ], [
1959                         AC_MSG_RESULT(no)
1960                 ])
1961                 CPPFLAGS=$large_CPPFLAGS
1962         ])
1963
1964         AC_MSG_CHECKING(if off_t is 64 bits wide)
1965         LARGE_FILES("")
1966         if test $large_offt = no; then
1967                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1968                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1969         fi
1970         if test $large_offt = no; then
1971                 AC_MSG_WARN([No 64 bit file size support available])
1972         fi
1973
1974         dnl *****************************
1975         dnl *** Checks for libsocket  ***
1976         dnl *****************************
1977         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1978
1979         case "$host" in
1980                 *-*-*freebsd*)
1981                         dnl *****************************
1982                         dnl *** Checks for libinotify ***
1983                         dnl *****************************
1984                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1985         esac
1986
1987         dnl *******************************
1988         dnl *** Checks for MSG_NOSIGNAL ***
1989         dnl *******************************
1990         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1991         AC_TRY_COMPILE([#include <sys/socket.h>], [
1992                 int f = MSG_NOSIGNAL;
1993         ], [
1994                 # Yes, we have it...
1995                 AC_MSG_RESULT(yes)
1996                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1997         ], [
1998                 # We'll have to use signals
1999                 AC_MSG_RESULT(no)
2000         ])
2001
2002         dnl *****************************
2003         dnl *** Checks for IPPROTO_IP ***
2004         dnl *****************************
2005         AC_MSG_CHECKING(for IPPROTO_IP)
2006         AC_TRY_COMPILE([#include <netinet/in.h>], [
2007                 int level = IPPROTO_IP;
2008         ], [
2009                 # Yes, we have it...
2010                 AC_MSG_RESULT(yes)
2011                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
2012         ], [
2013                 # We'll have to use getprotobyname
2014                 AC_MSG_RESULT(no)
2015         ])
2016
2017         dnl *******************************
2018         dnl *** Checks for IPPROTO_IPV6 ***
2019         dnl *******************************
2020         AC_MSG_CHECKING(for IPPROTO_IPV6)
2021         AC_TRY_COMPILE([#include <netinet/in.h>], [
2022                 int level = IPPROTO_IPV6;
2023         ], [
2024                 # Yes, we have it...
2025                 AC_MSG_RESULT(yes)
2026                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
2027         ], [
2028                 # We'll have to use getprotobyname
2029                 AC_MSG_RESULT(no)
2030         ])
2031
2032         dnl ******************************
2033         dnl *** Checks for IPPROTO_TCP ***
2034         dnl ******************************
2035         AC_MSG_CHECKING(for IPPROTO_TCP)
2036         AC_TRY_COMPILE([#include <netinet/in.h>], [
2037                 int level = IPPROTO_TCP;
2038         ], [
2039                 # Yes, we have it...
2040                 AC_MSG_RESULT(yes)
2041                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
2042         ], [
2043                 # We'll have to use getprotobyname
2044                 AC_MSG_RESULT(no)
2045         ])
2046
2047         dnl *****************************
2048         dnl *** Checks for SOL_IP     ***
2049         dnl *****************************
2050         AC_MSG_CHECKING(for SOL_IP)
2051         AC_TRY_COMPILE([#include <netdb.h>], [
2052                 int level = SOL_IP;
2053         ], [
2054                 # Yes, we have it...
2055                 AC_MSG_RESULT(yes)
2056                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
2057         ], [
2058                 # We'll have to use getprotobyname
2059                 AC_MSG_RESULT(no)
2060         ])
2061
2062         dnl *****************************
2063         dnl *** Checks for SOL_IPV6     ***
2064         dnl *****************************
2065         AC_MSG_CHECKING(for SOL_IPV6)
2066         AC_TRY_COMPILE([#include <netdb.h>], [
2067                 int level = SOL_IPV6;
2068         ], [
2069                 # Yes, we have it...
2070                 AC_MSG_RESULT(yes)
2071                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
2072         ], [
2073                 # We'll have to use getprotobyname
2074                 AC_MSG_RESULT(no)
2075         ])
2076
2077         dnl *****************************
2078         dnl *** Checks for SOL_TCP    ***
2079         dnl *****************************
2080         AC_MSG_CHECKING(for SOL_TCP)
2081         AC_TRY_COMPILE([#include <netdb.h>], [
2082                 int level = SOL_TCP;
2083         ], [
2084                 # Yes, we have it...
2085                 AC_MSG_RESULT(yes)
2086                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
2087         ], [
2088                 # We'll have to use getprotobyname
2089                 AC_MSG_RESULT(no)
2090         ])
2091
2092         dnl *****************************
2093         dnl *** Checks for IP_PKTINFO ***
2094         dnl *****************************
2095         AC_MSG_CHECKING(for IP_PKTINFO)
2096         AC_TRY_COMPILE([#include <linux/in.h>], [
2097                 int level = IP_PKTINFO;
2098         ], [
2099                 # Yes, we have it...
2100                 AC_MSG_RESULT(yes)
2101                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
2102         ], [
2103                 AC_MSG_RESULT(no)
2104         ])
2105
2106         dnl *****************************
2107         dnl *** Checks for IPV6_PKTINFO ***
2108         dnl *****************************
2109         AC_MSG_CHECKING(for IPV6_PKTINFO)
2110         AC_TRY_COMPILE([#include <netdb.h>], [
2111                 int level = IPV6_PKTINFO;
2112         ], [
2113                 # Yes, we have it...
2114                 AC_MSG_RESULT(yes)
2115                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
2116         ], [
2117                 AC_MSG_RESULT(no)
2118         ])
2119
2120         dnl **********************************
2121         dnl *** Checks for IP_DONTFRAG     ***
2122         dnl **********************************
2123         AC_MSG_CHECKING(for IP_DONTFRAG)
2124         AC_TRY_COMPILE([#include <netinet/in.h>], [
2125                 int level = IP_DONTFRAG;
2126         ], [
2127                 # Yes, we have it...
2128                 AC_MSG_RESULT(yes)
2129                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
2130         ], [
2131                 AC_MSG_RESULT(no)
2132         ])
2133
2134         dnl **********************************
2135         dnl *** Checks for IP_DONTFRAGMENT ***
2136         dnl **********************************
2137         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
2138         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
2139                 int level = IP_DONTFRAGMENT;
2140         ], [
2141                 # Yes, we have it...
2142                 AC_MSG_RESULT(yes)
2143                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
2144         ], [
2145                 AC_MSG_RESULT(no)
2146         ])
2147
2148         dnl **********************************
2149         dnl *** Checks for IP_MTU_DISCOVER ***
2150         dnl **********************************
2151         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
2152         AC_TRY_COMPILE([#include <linux/in.h>], [
2153                 int level = IP_MTU_DISCOVER;
2154         ], [
2155                 # Yes, we have it...
2156                 AC_MSG_RESULT(yes)
2157                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
2158         ], [
2159                 AC_MSG_RESULT(no)
2160         ])
2161
2162         dnl **********************************
2163         dnl *** Checks for  IP_PMTUDISC_DO ***
2164         dnl **********************************
2165         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
2166         AC_TRY_COMPILE([#include <linux/in.h>], [
2167                 int level = IP_PMTUDISC_DO;
2168         ], [
2169                 # Yes, we have it...
2170                 AC_MSG_RESULT(yes)
2171                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
2172         ], [
2173                 AC_MSG_RESULT(no)
2174         ])
2175
2176         dnl *********************************
2177         dnl *** Check for struct ip_mreqn ***
2178         dnl *********************************
2179         AC_MSG_CHECKING(for struct ip_mreqn)
2180         AC_TRY_COMPILE([#include <netinet/in.h>], [
2181                 struct ip_mreqn mreq;
2182                 mreq.imr_address.s_addr = 0;
2183         ], [
2184                 # Yes, we have it...
2185                 AC_MSG_RESULT(yes)
2186                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
2187         ], [
2188                 # We'll just have to try and use struct ip_mreq
2189                 AC_MSG_RESULT(no)
2190                 AC_MSG_CHECKING(for struct ip_mreq)
2191                 AC_TRY_COMPILE([#include <netinet/in.h>], [
2192                         struct ip_mreq mreq;
2193                         mreq.imr_interface.s_addr = 0;
2194                 ], [
2195                         # Yes, we have it...
2196                         AC_MSG_RESULT(yes)
2197                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
2198                 ], [
2199                         # No multicast support
2200                         AC_MSG_RESULT(no)
2201                 ])
2202         ])
2203
2204         dnl **********************************
2205         dnl *** Check for getaddrinfo ***
2206         dnl **********************************
2207         AC_MSG_CHECKING(for getaddrinfo)
2208                 AC_TRY_LINK([
2209                 #include <stdio.h>
2210                 #include <netdb.h>
2211         ], [
2212                 getaddrinfo(NULL,NULL,NULL,NULL);
2213         ], [
2214                 # Yes, we have it...
2215                 AC_MSG_RESULT(yes)
2216                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2217         ], [
2218                 AC_MSG_RESULT(no)
2219         ])
2220
2221         dnl **********************************
2222         dnl *** Check for gethostbyname2_r ***
2223         dnl **********************************
2224         AC_MSG_CHECKING(for gethostbyname2_r)
2225                 AC_TRY_LINK([
2226                 #include <stdio.h>
2227                 #include <netdb.h>
2228         ], [
2229
2230                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
2231         ], [
2232                 # Yes, we have it...
2233                 AC_MSG_RESULT(yes)
2234                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
2235         ], [
2236                 AC_MSG_RESULT(no)
2237         ])
2238
2239         dnl **********************************
2240         dnl *** Check for gethostbyname2 ***
2241         dnl **********************************
2242         AC_MSG_CHECKING(for gethostbyname2)
2243                 AC_TRY_LINK([
2244                 #include <stdio.h>
2245                 #include <netdb.h>
2246         ], [
2247                 gethostbyname2(NULL,0);
2248         ], [
2249                 # Yes, we have it...
2250                 AC_MSG_RESULT(yes)
2251                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
2252         ], [
2253                 AC_MSG_RESULT(no)
2254         ])
2255
2256         dnl **********************************
2257         dnl *** Check for gethostbyname ***
2258         dnl **********************************
2259         AC_MSG_CHECKING(for gethostbyname)
2260                 AC_TRY_LINK([
2261                 #include <stdio.h>
2262                 #include <netdb.h>
2263         ], [
2264                 gethostbyname(NULL);
2265         ], [
2266                 # Yes, we have it...
2267                 AC_MSG_RESULT(yes)
2268                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2269         ], [
2270                 AC_MSG_RESULT(no)
2271         ])
2272
2273         dnl **********************************
2274         dnl *** Check for getprotobyname ***
2275         dnl **********************************
2276         AC_MSG_CHECKING(for getprotobyname)
2277                 AC_TRY_LINK([
2278                 #include <stdio.h>
2279                 #include <netdb.h>
2280         ], [
2281                 getprotobyname(NULL);
2282         ], [
2283                 # Yes, we have it...
2284                 AC_MSG_RESULT(yes)
2285                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2286         ], [
2287                 AC_MSG_RESULT(no)
2288         ])
2289
2290         dnl **********************************
2291         dnl *** Check for getprotobyname_r ***
2292         dnl **********************************
2293         AC_MSG_CHECKING(for getprotobyname_r)
2294                 AC_TRY_LINK([
2295                 #include <stdio.h>
2296                 #include <netdb.h>
2297         ], [
2298                 getprotobyname_r(NULL, NULL, NULL, 0, NULL);
2299         ], [
2300                 # Yes, we have it...
2301                 AC_MSG_RESULT(yes)
2302                 AC_DEFINE(HAVE_GETPROTOBYNAME_R, 1, [Have getprotobyname_r])
2303         ], [
2304                 AC_MSG_RESULT(no)
2305         ])
2306
2307         dnl **********************************
2308         dnl *** Check for getnameinfo ***
2309         dnl **********************************
2310         AC_MSG_CHECKING(for getnameinfo)
2311                 AC_TRY_LINK([
2312                 #include <stdio.h>
2313                 #include <netdb.h>
2314         ], [
2315                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2316         ], [
2317                 # Yes, we have it...
2318                 AC_MSG_RESULT(yes)
2319                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2320         ], [
2321                 AC_MSG_RESULT(no)
2322         ])
2323
2324
2325         dnl **********************************
2326         dnl *** Check for inet_ntop ***
2327         dnl **********************************
2328         AC_MSG_CHECKING(for inet_ntop)
2329                 AC_TRY_LINK([
2330                 #include <stdio.h>
2331                 #include <arpa/inet.h>
2332         ], [
2333                 inet_ntop (0, NULL, NULL, 0);
2334         ], [
2335                 # Yes, we have it...
2336                 AC_MSG_RESULT(yes)
2337                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2338         ], [
2339                 AC_MSG_RESULT(no)
2340         ])
2341
2342         dnl *****************************
2343         dnl *** Checks for libnsl     ***
2344         dnl *****************************
2345         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
2346
2347         AC_CHECK_FUNCS(inet_pton inet_aton)
2348
2349         dnl *****************************
2350         dnl *** Checks for libxnet    ***
2351         dnl *****************************
2352         case "${host}" in
2353                 *solaris* )
2354                         AC_MSG_CHECKING(for Solaris XPG4 support)
2355                         if test -f /usr/lib/libxnet.so; then
2356                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
2357                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
2358                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
2359                                 LIBS="$LIBS -lxnet"
2360                                 AC_MSG_RESULT(yes)
2361                         else
2362                                 AC_MSG_RESULT(no)
2363                         fi
2364
2365                         if test "$GCC" = "yes"; then
2366                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
2367                         fi
2368                 ;;
2369         esac
2370
2371         dnl *****************************
2372         dnl *** Checks for libpthread ***
2373         dnl *****************************
2374 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
2375 # and libpthread does not exist
2376 #
2377         case "${host}" in
2378                 *-*-*haiku*)
2379                         dnl Haiku has pthread in libroot (libc equiv)
2380                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
2381                 ;;
2382                 *-*-*freebsd*)
2383                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
2384                 ;;
2385                 *-*-*openbsd*)
2386                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
2387                 ;;
2388                 *)
2389                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
2390                 ;;
2391         esac
2392         AC_CHECK_HEADERS(pthread.h)
2393         AC_CHECK_HEADERS(pthread_np.h)
2394         AC_CHECK_FUNCS(pthread_mutex_timedlock)
2395         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
2396         AC_CHECK_FUNCS(pthread_kill)
2397         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
2398         AC_TRY_COMPILE([ #include <pthread.h>], [
2399                 pthread_mutexattr_t attr;
2400                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2401         ], [
2402                 AC_MSG_RESULT(ok)
2403         ], [
2404                 AC_MSG_RESULT(no)
2405                 AC_ERROR(Posix system lacks support for recursive mutexes)
2406         ])
2407         AC_CHECK_FUNCS(pthread_attr_setstacksize)
2408         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
2409         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
2410
2411         dnl **********************************
2412         dnl *** Check for mincore ***
2413         dnl **********************************
2414         AC_MSG_CHECKING(for mincore)
2415                 AC_TRY_LINK([
2416                 #include <stdio.h>
2417                 #include <sys/types.h>
2418                 #include <sys/mman.h>
2419         ], [
2420                 mincore(NULL, 0, NULL);
2421         ], [
2422                 # Yes, we have it...
2423                 AC_MSG_RESULT(yes)
2424                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
2425         ], [
2426                 AC_MSG_RESULT(no)
2427         ])
2428
2429         dnl ***********************************
2430         dnl *** Checks for working __thread ***
2431         dnl ***********************************
2432         AC_MSG_CHECKING(for working __thread)
2433         if test "x$with_tls" != "x__thread"; then
2434                 AC_MSG_RESULT(disabled)
2435         elif test "x$cross_compiling" = "xyes"; then
2436                 AC_MSG_RESULT(cross compiling, assuming yes)
2437         else
2438                 AC_TRY_RUN([
2439                         #if defined(__APPLE__) && defined(__clang__)
2440                         #error "__thread does not currently work with clang on Mac OS X"
2441                         #endif
2442
2443                         #include <pthread.h>
2444                         __thread int i;
2445                         static int res1, res2;
2446
2447                         void thread_main (void *arg)
2448                         {
2449                                 i = arg;
2450                                 sleep (1);
2451                                 if (arg == 1)
2452                                         res1 = (i == arg);
2453                                 else
2454                                         res2 = (i == arg);
2455                         }
2456
2457                         int main () {
2458                                 pthread_t t1, t2;
2459
2460                                 i = 5;
2461
2462                                 pthread_create (&t1, NULL, thread_main, 1);
2463                                 pthread_create (&t2, NULL, thread_main, 2);
2464
2465                                 pthread_join (t1, NULL);
2466                                 pthread_join (t2, NULL);
2467
2468                                 return !(res1 + res2 == 2);
2469                         }
2470                 ], [
2471                                 AC_MSG_RESULT(yes)
2472                 ], [
2473                                 AC_MSG_RESULT(no)
2474                                 with_tls=pthread
2475                 ])
2476         fi
2477
2478         dnl **************************************
2479         dnl *** Checks for working sigaltstack ***
2480         dnl **************************************
2481         AC_MSG_CHECKING(for working sigaltstack)
2482         if test "x$with_sigaltstack" != "xyes"; then
2483                 AC_MSG_RESULT(disabled)
2484         elif test "x$cross_compiling" = "xyes"; then
2485                 AC_MSG_RESULT(cross compiling, assuming yes)
2486         else
2487                 AC_TRY_RUN([
2488                         #include <stdio.h>
2489                         #include <stdlib.h>
2490                         #include <unistd.h>
2491                         #include <signal.h>
2492                         #include <pthread.h>
2493                         #include <sys/wait.h>
2494                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2495                         #define SA_STACK SA_ONSTACK
2496                         #endif
2497                         static void
2498                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2499                         {
2500                                 exit (0);
2501                         }
2502
2503                         volatile char*__ptr = NULL;
2504                         static void *
2505                         loop (void *ignored)
2506                         {
2507                                 *__ptr = 0;
2508                                 return NULL;
2509                         }
2510
2511                         static void
2512                         child ()
2513                         {
2514                                 struct sigaction sa;
2515                                 stack_t sas;
2516                                 pthread_t id;
2517                                 pthread_attr_t attr;
2518
2519                                 sa.sa_sigaction = sigsegv_signal_handler;
2520                                 sigemptyset (&sa.sa_mask);
2521                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2522                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2523                                         perror ("sigaction");
2524                                         return;
2525                                 }
2526
2527                                 /* x86 darwin deliver segfaults using SIGBUS */
2528                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2529                                         perror ("sigaction");
2530                                         return;
2531                                 }
2532                                 sas.ss_sp = malloc (SIGSTKSZ);
2533                                 sas.ss_size = SIGSTKSZ;
2534                                 sas.ss_flags = 0;
2535                                 if (sigaltstack (&sas, NULL) == -1) {
2536                                         perror ("sigaltstack");
2537                                         return;
2538                                 }
2539
2540                                 pthread_attr_init (&attr);
2541                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2542                                         printf ("pthread_create\n");
2543                                         return;
2544                                 }
2545
2546                                 sleep (100);
2547                         }
2548
2549                         int
2550                         main ()
2551                         {
2552                                 pid_t son;
2553                                 int status;
2554                                 int i;
2555
2556                                 son = fork ();
2557                                 if (son == -1) {
2558                                         return 1;
2559                                 }
2560
2561                                 if (son == 0) {
2562                                         child ();
2563                                         return 0;
2564                                 }
2565
2566                                 for (i = 0; i < 300; ++i) {
2567                                         waitpid (son, &status, WNOHANG);
2568                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2569                                                 return 0;
2570                                         usleep (10000);
2571                                 }
2572
2573                                 kill (son, SIGKILL);
2574                                 return 1;
2575                         }
2576
2577                 ], [
2578                                 AC_MSG_RESULT(yes)
2579                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2580                 ], [
2581                                 with_sigaltstack=no
2582                                 AC_MSG_RESULT(no)
2583                 ])
2584         fi
2585
2586         dnl ********************************
2587         dnl *** Checks for semaphore lib ***
2588         dnl ********************************
2589         # 'Real Time' functions on Solaris
2590         # posix4 on Solaris 2.6
2591         # pthread (first!) on Linux
2592         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2593
2594         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2595         AC_CHECK_FUNCS(shm_open)
2596
2597         dnl ********************************
2598         dnl *** Checks for timezone stuff **
2599         dnl ********************************
2600         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2601                 AC_TRY_COMPILE([
2602                         #include <time.h>
2603                         ], [
2604                         struct tm tm;
2605                         tm.tm_gmtoff = 1;
2606                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2607         if test $ac_cv_struct_tm_gmtoff = yes; then
2608                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2609         else
2610                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2611                         AC_TRY_COMPILE([
2612                                 #include <time.h>
2613                         ], [
2614                                 timezone = 1;
2615                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2616                 if test $ac_cv_var_timezone = yes; then
2617                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2618                 else
2619                         AC_ERROR(unable to find a way to determine timezone)
2620                 fi
2621         fi
2622
2623         dnl *********************************
2624         dnl *** Checks for math functions ***
2625         dnl *********************************
2626         AC_SEARCH_LIBS(sqrtf, m)
2627         if test "x$has_broken_apple_cpp" != "xyes"; then
2628                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2629                         AC_TRY_LINK([#include <math.h>],
2630                         [ finite(0.0); ],
2631                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2632                         AC_MSG_RESULT(no)))
2633         fi
2634         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2635                 AC_TRY_LINK([#include <math.h>],
2636                 [ isfinite(0.0); ],
2637                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2638                 AC_MSG_RESULT(no)))
2639
2640         dnl ****************************************************************
2641         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2642         dnl *** have it in the library (duh))                            ***
2643         dnl ****************************************************************
2644         AC_CHECK_FUNCS(poll)
2645
2646         dnl *************************
2647         dnl *** Check for signbit ***
2648         dnl *************************
2649         AC_MSG_CHECKING(for signbit)
2650         AC_TRY_LINK([#include <math.h>], [
2651                 int s = signbit(1.0);
2652         ], [
2653                 AC_MSG_RESULT(yes)
2654                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2655         ], [
2656                 AC_MSG_RESULT(no)
2657         ])
2658
2659         dnl **********************************
2660         dnl *** epoll                      ***
2661         dnl **********************************
2662         AC_CHECK_HEADERS(sys/epoll.h)
2663         haveepoll=no
2664         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2665         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2666                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2667         fi
2668
2669         havekqueue=no
2670
2671         AC_CHECK_HEADERS(sys/event.h)
2672         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2673
2674         dnl **************************************
2675         dnl * Darwin has a race that prevents us from using reliably:
2676         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2677         dnl * Since kqueue is mostly used for scaling large web servers,
2678         dnl * and very few folks run Mono on large web servers on OSX, falling
2679         dnl * back
2680         dnl **************************************
2681         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2682                 if test "x$host_darwin" = "xno"; then
2683                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2684                 fi
2685         fi
2686
2687         dnl ******************************
2688         dnl *** Checks for SIOCGIFCONF ***
2689         dnl ******************************
2690         AC_CHECK_HEADERS(sys/ioctl.h)
2691         AC_CHECK_HEADERS(net/if.h, [], [],
2692            [
2693            #ifdef HAVE_SYS_TYPES_H
2694            # include <sys/types.h>
2695            #endif
2696            #ifdef HAVE_SYS_SOCKET_H
2697            # include <sys/socket.h>
2698            #endif
2699            ])
2700         AC_MSG_CHECKING(for ifreq)
2701         AC_TRY_COMPILE([
2702                 #include <stdio.h>
2703                 #include <sys/ioctl.h>
2704                 #include <net/if.h>
2705                 ], [
2706                 struct ifconf ifc;
2707                 struct ifreq *ifr;
2708                 void *x;
2709                 ifc.ifc_len = 0;
2710                 ifc.ifc_buf = NULL;
2711                 x = (void *) &ifr->ifr_addr;
2712                 ],[
2713                         AC_MSG_RESULT(yes)
2714                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2715                 ], [
2716                         AC_MSG_RESULT(no)
2717                 ])
2718         dnl **********************************
2719         dnl ***     Checks for sin_len     ***
2720         dnl **********************************
2721         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2722         AC_TRY_COMPILE([
2723                 #include <netinet/in.h>
2724                 ], [
2725                 struct sockaddr_in saddr;
2726                 saddr.sin_len = sizeof (saddr);
2727                 ],[
2728                         AC_MSG_RESULT(yes)
2729                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2730                 ], [
2731                         AC_MSG_RESULT(no)
2732                 ])
2733         dnl **********************************
2734         dnl ***    Checks for sin6_len     ***
2735         dnl **********************************
2736         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2737         AC_TRY_COMPILE([
2738                 #include <netinet/in.h>
2739                 ], [
2740                 struct sockaddr_in6 saddr6;
2741                 saddr6.sin6_len = sizeof (saddr6);
2742                 ],[
2743                         AC_MSG_RESULT(yes)
2744                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2745                 ], [
2746                         AC_MSG_RESULT(no)
2747                 ])
2748         dnl **********************************
2749         dnl *** Check for getifaddrs       ***
2750         dnl **********************************
2751         AC_MSG_CHECKING(for getifaddrs)
2752                 AC_TRY_LINK([
2753                 #include <stdio.h>
2754                 #include <sys/types.h>
2755                 #include <sys/socket.h>
2756                 #include <ifaddrs.h>
2757         ], [
2758                 getifaddrs(NULL);
2759         ], [
2760                 # Yes, we have it...
2761                 AC_MSG_RESULT(yes)
2762                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2763         ], [
2764                 AC_MSG_RESULT(no)
2765         ])
2766         dnl **********************************
2767         dnl *** Check for if_nametoindex   ***
2768         dnl **********************************
2769         AC_MSG_CHECKING(for if_nametoindex)
2770                 AC_TRY_LINK([
2771                 #include <stdio.h>
2772                 #include <sys/types.h>
2773                 #include <sys/socket.h>
2774                 #include <net/if.h>
2775         ], [
2776                 if_nametoindex(NULL);
2777         ], [
2778                 # Yes, we have it...
2779                 AC_MSG_RESULT(yes)
2780                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2781         ], [
2782                 AC_MSG_RESULT(no)
2783         ])
2784         dnl **********************************
2785         dnl *** Check for access ***
2786         dnl **********************************
2787         AC_MSG_CHECKING(for access)
2788                 AC_TRY_LINK([
2789                 #include <unistd.h>
2790         ], [
2791                 access(NULL,0);
2792         ], [
2793                 # Yes, we have it...
2794                 AC_MSG_RESULT(yes)
2795                 AC_DEFINE(HAVE_ACCESS, 1, [Have access])
2796         ], [
2797                 AC_MSG_RESULT(no)
2798         ])
2799
2800         dnl **********************************
2801         dnl *** Checks for proclib         ***
2802         dnl **********************************
2803         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2804         dnl **********************************
2805         dnl *** Checks for MonoPosixHelper ***
2806         dnl **********************************
2807         AC_CHECK_HEADERS(checklist.h)
2808         AC_CHECK_HEADERS(pathconf.h)
2809         AC_CHECK_HEADERS(fstab.h)
2810         AC_CHECK_HEADERS(attr/xattr.h)
2811         AC_CHECK_HEADERS(sys/extattr.h)
2812         AC_CHECK_HEADERS(sys/sendfile.h)
2813         AC_CHECK_HEADERS(sys/statvfs.h)
2814         AC_CHECK_HEADERS(sys/statfs.h)
2815         AC_CHECK_HEADERS(sys/vfstab.h)
2816         AC_CHECK_HEADERS(sys/xattr.h)
2817         AC_CHECK_HEADERS(sys/mman.h)
2818         AC_CHECK_HEADERS(sys/param.h)
2819         AC_CHECK_HEADERS(sys/mount.h, [], [],
2820                 [
2821                 #ifdef HAVE_SYS_PARAM_H
2822                 # include <sys/param.h>
2823                 #endif
2824                 ])
2825         AC_CHECK_HEADERS(sys/mount.h)
2826         AC_CHECK_FUNCS(confstr)
2827         AC_CHECK_FUNCS(seekdir telldir)
2828         AC_CHECK_FUNCS(getdomainname)
2829         AC_CHECK_FUNCS(setdomainname)
2830         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2831         AC_CHECK_FUNCS(setgroups)
2832         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2833         AC_CHECK_FUNCS(getfsstat)
2834         AC_CHECK_FUNCS(lutimes futimes)
2835         AC_CHECK_FUNCS(mremap)
2836         AC_CHECK_FUNCS(remap_file_pages)
2837         AC_CHECK_FUNCS(posix_fadvise)
2838         AC_CHECK_FUNCS(posix_fallocate)
2839         AC_CHECK_FUNCS(posix_madvise)
2840         AC_CHECK_FUNCS(vsnprintf)
2841         AC_CHECK_FUNCS(sendfile)
2842         AC_CHECK_FUNCS(gethostid sethostid)
2843         AC_CHECK_FUNCS(sethostname)
2844         AC_CHECK_FUNCS(statfs)
2845         AC_CHECK_FUNCS(fstatfs)
2846         AC_CHECK_FUNCS(statvfs)
2847         AC_CHECK_FUNCS(fstatvfs)
2848         AC_CHECK_FUNCS(stime)
2849         AC_CHECK_FUNCS(ttyname_r)
2850         AC_CHECK_FUNCS(psignal)
2851         AC_CHECK_FUNCS(getlogin_r)
2852         AC_CHECK_FUNCS(lockf)
2853         AC_CHECK_FUNCS(swab)
2854         AC_CHECK_FUNCS(setusershell endusershell)
2855         AC_CHECK_FUNCS(futimens utimensat)
2856         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2857         AC_CHECK_FUNCS(readv writev preadv pwritev)
2858         AC_CHECK_FUNCS(setpgid)
2859         AC_CHECK_FUNCS(system)
2860         AC_CHECK_FUNCS(fork execv execve)
2861         AC_CHECK_FUNCS(accept4)
2862         AC_CHECK_FUNCS(localtime_r)
2863         AC_CHECK_FUNCS(mkdtemp)
2864         AC_CHECK_SIZEOF(size_t)
2865         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2866                 [#include <sys/types.h>
2867                  #include <sys/stat.h>
2868                  #include <unistd.h>])
2869         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2870                 [#include <sys/types.h>
2871                  #include <sys/stat.h>
2872                  #include <unistd.h>])
2873         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2874                 [#include <sys/time.h>])
2875         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2876                 [#include <sys/socket.h>])
2877         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2878                 [#include <unistd.h>
2879                  #include <fcntl.h>])
2880         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2881                 [#include <sys/uio.h>])
2882         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2883                 [#include <sys/socket.h>])
2884         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2885                 [#include <sys/poll.h>])
2886         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2887                 [#include <sys/socket.h>])
2888         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2889                 [#include <sys/socket.h>])
2890         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2891                 [#include <netinet/in.h>])
2892         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2893                 [#include <netinet/in.h>])
2894         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2895                 [#include <sys/un.h>])
2896         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2897                 [#include <sys/types.h>
2898                  #include <sys/stat.h>
2899                  #include <unistd.h>])
2900         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2901                 [#include <time.h>])
2902         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2903                 [#include <sys/time.h>
2904                  #include <sys/types.h>
2905                  #include <utime.h>])
2906         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2907                 [#include <sys/time.h>])
2908         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2909                 [#include <sys/types.h>
2910                  #include <utime.h>])
2911         AC_CHECK_MEMBERS(
2912                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2913                 [#include <sys/types.h>
2914                  #include <dirent.h>])
2915         AC_CHECK_MEMBERS(
2916                 [struct passwd.pw_gecos],,,
2917                 [#include <sys/types.h>
2918                  #include <pwd.h>])
2919         AC_CHECK_MEMBERS(
2920                 [struct statfs.f_flags],,,
2921                 [#include <sys/types.h>
2922                  #include <sys/vfs.h>])
2923         AC_CHECK_MEMBERS(
2924                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_atimespec, struct stat.st_ctim],,,
2925                 [#include <sys/types.h>
2926                  #include <sys/stat.h>
2927                  #include <unistd.h>])
2928
2929         dnl Favour xattr through glibc, but use libattr if we have to
2930         AC_CHECK_FUNC(lsetxattr, ,
2931                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2932         )
2933         AC_SUBST(XATTR_LIB)
2934
2935         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2936         AC_CHECK_MEMBERS(
2937                 [struct kinfo_proc.kp_proc],,,
2938                 [#include <sys/types.h>
2939                  #include <sys/param.h>
2940                  #include <sys/sysctl.h>
2941                  #include <sys/proc.h>
2942                  ])
2943
2944         dnl *********************************
2945         dnl *** Checks for Windows compilation ***
2946         dnl *********************************
2947         AC_CHECK_HEADERS(sys/time.h)
2948         AC_CHECK_HEADERS(sys/param.h)
2949         AC_CHECK_HEADERS(dirent.h)
2950
2951         dnl ******************************************
2952         dnl *** Checks for OSX and iOS compilation ***
2953         dnl ******************************************
2954         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2955
2956         dnl *********************************
2957         dnl *** Check for Console 2.0 I/O ***
2958         dnl *********************************
2959         AC_CHECK_HEADERS([curses.h])
2960         AC_CHECK_HEADERS([term.h], [], [],
2961         [#if HAVE_CURSES_H
2962          #include <curses.h>
2963          #endif
2964         ])
2965         AC_CHECK_HEADERS([termios.h])
2966
2967         dnl *********************************
2968         dnl *** Checks for random         ***
2969         dnl *********************************
2970         if test x$host_darwin = xno; then
2971                 AC_CHECK_HEADERS(sys/random.h)
2972                 AC_CHECK_FUNCS(getrandom getentropy)
2973         fi
2974
2975         dnl *********************************
2976         dnl *** Checks for System.Native  ***
2977         dnl *********************************
2978
2979         AC_MSG_CHECKING(for linux/in.h)
2980         AC_TRY_COMPILE([
2981                 #include <sys/socket.h>
2982                 #include <linux/in.h>
2983         ], [
2984         ],[
2985                 AC_MSG_RESULT(yes)
2986                 AC_DEFINE(HAVE_LINUX_IN_H, 1, [linux/in.h])
2987         ], [
2988                 AC_MSG_RESULT(no)
2989         ])
2990
2991         AC_MSG_CHECKING(for struct in_pktinfo)
2992         AC_TRY_COMPILE([
2993                 #ifdef HAVE_LINUX_IN_H
2994                 #include <sys/socket.h>
2995                 #include <linux/in.h>
2996                 #else
2997                 #include <netinet/in.h>
2998                 #endif
2999         ], [
3000                 struct in_pktinfo pktinfo;
3001         ],[
3002                 AC_MSG_RESULT(yes)
3003                 AC_DEFINE(HAVE_IN_PKTINFO, 1, [struct in_pktinfo])
3004         ], [
3005                 AC_MSG_RESULT(no)
3006         ])
3007
3008         AC_MSG_CHECKING(for struct ip_mreqn)
3009         AC_TRY_COMPILE([
3010                 #if HAVE_LINUX_IN_H
3011                 #include <sys/socket.h>
3012                 #include <linux/in.h>
3013                 #else
3014                 #include <netinet/in.h>
3015                 #endif
3016         ], [
3017                 struct ip_mreqn mreqn;
3018         ],[
3019                 AC_MSG_RESULT(yes)
3020                 AC_DEFINE(HAVE_IP_MREQN, 1, struct ip_mreqn)
3021         ], [
3022                 AC_MSG_RESULT(no)
3023         ])
3024
3025         if test x$host_darwin = xno; then
3026                 AC_CHECK_TYPES([struct flock64], [AC_DEFINE(HAVE_FLOCK64, 1, struct flock64)], , [#include <fcntl.h>])
3027         fi
3028
3029         AC_CHECK_FUNC(lseek64,           [AC_DEFINE(HAVE_LSEEK64, 1, [lseek64])])
3030         AC_CHECK_FUNC(mmap64,            [AC_DEFINE(HAVE_MMAP64, 1, [mmap64])])
3031         AC_CHECK_FUNC(ftruncate64,       [AC_DEFINE(HAVE_FTRUNCATE64, 1, [ftruncate64])])
3032         AC_CHECK_FUNC(posix_fadvise64,   [AC_DEFINE(HAVE_POSIX_FADVISE64, 1, [posix_fadvise64])])
3033         AC_CHECK_FUNC(stat64,            [AC_DEFINE(HAVE_STAT64, 1, [stat64])])
3034         AC_CHECK_DECL(pipe2,             [AC_DEFINE(HAVE_PIPE2, 1, [pipe2])])
3035         AC_CHECK_FUNC(getmntinfo,        [AC_DEFINE(HAVE_GETMNTINFO, 1, [getmntinfo])], [], [[#include <unistd.h>]])
3036         AC_CHECK_FUNC(strcpy_s,          [AC_DEFINE(HAVE_STRCPY_S, 1, [strcpy_s])])
3037         AC_CHECK_FUNC(strlcpy,           [AC_DEFINE(HAVE_STRLCPY, 1, [strlcpy])])
3038         AC_CHECK_FUNC(posix_fadvise,     [AC_DEFINE(HAVE_POSIX_FADVISE, 1, [posix_fadvise])])
3039         AC_CHECK_FUNC(ioctl,             [AC_DEFINE(HAVE_IOCTL, 1, [ioctl])])
3040         AC_CHECK_FUNC(sched_getaffinity, [AC_DEFINE(HAVE_SCHED_GETAFFINITY, 1, [sched_getaffinity])])
3041         AC_CHECK_FUNC(sched_setaffinity, [AC_DEFINE(HAVE_SCHED_SETAFFINITY, 1, [sched_setaffinity])])
3042         AC_CHECK_DECL(TIOCGWINSZ,        [AC_DEFINE(HAVE_TIOCGWINSZ, 1, [TIOCGWINSZ])], [], [[#include <sys/ioctl.h>]])
3043         AC_CHECK_FUNC(tcgetattr,         [AC_DEFINE(HAVE_TCGETATTR, 1, [tcgetattr])])
3044         AC_CHECK_FUNC(tcsetattr,         [AC_DEFINE(HAVE_TCSETATTR, 1, [tcsetattr])])
3045         AC_CHECK_FUNC(arc4random,        [AC_DEFINE(HAVE_ARC4RANDOM, 1, [arc4random])])
3046         AC_CHECK_DECL(ECHO,              [AC_DEFINE(HAVE_ECHO, 1, [ECHO])], [], [[#include <termios.h>]])
3047         AC_CHECK_DECL(ICANON,            [AC_DEFINE(HAVE_ICANON, 1, [ICANON])], [], [[#include <termios.h>]])
3048         AC_CHECK_DECL(TCSANOW,           [AC_DEFINE(HAVE_TCSANOW, 1, [TCSANOW])], [], [[#include <termios.h>]])
3049
3050         AC_CHECK_DECL(O_CLOEXEC,         [AC_DEFINE(HAVE_O_CLOEXEC, 1, [O_CLOEXEC])], [], [[#include <fcntl.h>]])
3051         AC_CHECK_DECL(F_DUPFD_CLOEXEC,   [AC_DEFINE(HAVE_F_DUPFD_CLOEXEC, 1, [F_DUPFD_CLOEXEC])], [], [[#include <fcntl.h>]])
3052
3053         AC_CHECK_MEMBER(struct stat.st_birthtimespec, [AC_DEFINE(HAVE_STAT_BIRTHTIME, 1, [struct stat.st_birthtime])], [], [[#include <sys/types.h>], [#include <sys/stat.h>]])
3054         AC_CHECK_MEMBER(struct stat.st_atimespec,     [AC_DEFINE(HAVE_STAT_TIMESPEC, 1, [struct stat.st_atimespec])], [], [[#include <sys/types.h>], [#include <sys/stat.h>]])
3055         AC_CHECK_MEMBER(struct stat.st_atim,          [AC_DEFINE(HAVE_STAT_TIM, 1, [struct stat.st_atim])], [], [[#include <sys/types.h>], [#include <sys/stat.h>]])
3056         AC_CHECK_MEMBER(struct stat.st_atimensec,     [AC_DEFINE(HAVE_STAT_NSEC, 1, [struct stat.st_atimensec])], [], [[#include <sys/types.h>], [#include <sys/stat.h>]])
3057         AC_CHECK_MEMBER(struct dirent.d_namlen,       [AC_DEFINE(HAVE_DIRENT_NAME_LEN, 1, [struct dirent.d_namlen])], [], [[#include <dirent.h>]])
3058         AC_CHECK_MEMBER(struct statfs.f_fstypename,   [AC_DEFINE(HAVE_STATFS_FSTYPENAME, 1, [struct statfs.f_fstypename])], [], [[#include <sys/mount.h>]])
3059         AC_CHECK_MEMBER(struct statvfs.f_fstypename,  [AC_DEFINE(HAVE_STATVFS_FSTYPENAME, 1, [struct statvfs.f_fstypename])], [], [[#include <sys/mount.h>]])
3060
3061         AC_MSG_CHECKING(for struct statfs)
3062         AC_TRY_COMPILE([
3063                 #if defined(HAVE_STATFS_FSTYPENAME) || defined(HAVE_STATVFS_FSTYPENAME)
3064                 #include <sys/mount.h>
3065                 #else
3066                 #include <sys/statfs.h>
3067                 #endif
3068         ], [
3069                 struct statfs;
3070         ],[
3071                 AC_MSG_RESULT(yes)
3072                 AC_DEFINE(HAVE_STATFS, 1, [struct statfs])
3073         ], [
3074                 AC_MSG_RESULT(no)
3075         ])
3076
3077         if test "x$ac_cv_func_strerror_r_char_p" = "xyes" ; then
3078                 AC_DEFINE(HAVE_GNU_STRERROR_R, 1, [char* strerror(int errnum, char *buf, size_t buflen)])
3079         fi
3080
3081         AC_MSG_CHECKING(for readdir_r)
3082         AC_TRY_COMPILE([
3083                 #include <dirent.h>
3084         ], [
3085                 DIR* dir;
3086                 struct dirent* entry;
3087                 struct dirent* result;
3088                 readdir_r(dir, entry, &result);
3089         ],[
3090                 AC_MSG_RESULT(yes)
3091                 AC_DEFINE(HAVE_READDIR_R, 1, [readdir_r])
3092         ], [
3093                 AC_MSG_RESULT(no)
3094         ])
3095
3096         AC_MSG_CHECKING(for kevent with void *data)
3097         AC_TRY_COMPILE([
3098                 #include <sys/types.h>
3099                 #include <sys/event.h>
3100         ], [
3101                 struct kevent event;
3102                 void* data;
3103                 EV_SET(&event, 0, EVFILT_READ, 0, 0, 0, data);
3104         ],[
3105                 AC_MSG_RESULT(yes)
3106                 AC_DEFINE(KEVENT_HAS_VOID_UDATA, 1, [kevent with void *data])
3107         ], [
3108                 AC_MSG_RESULT(no)
3109         ])
3110
3111         AC_CHECK_MEMBER(struct fd_set.fds_bits,   [AC_DEFINE(HAVE_FDS_BITS, 1, [struct fd_set.fds_bits])], [], [[#include <sys/select.h>]])
3112         AC_CHECK_MEMBER(struct fd_set.__fds_bits, [AC_DEFINE(HAVE_PRIVATE_FDS_BITS, 1, [struct fd_set.__fds_bits])], [], [[#include <sys/select.h>]])
3113
3114         AC_MSG_CHECKING(for sendfile with 4 arguments)
3115         AC_TRY_COMPILE([
3116                 #include <sys/sendfile.h>
3117         ], [
3118                 int result = sendfile(0, 0, 0, 0);
3119         ],[
3120                 AC_MSG_RESULT(yes)
3121                 AC_DEFINE(HAVE_SENDFILE_4, 1, [sendfile with 4 arguments])
3122         ], [
3123                 AC_MSG_RESULT(no)
3124         ])
3125
3126         AC_MSG_CHECKING(for sendfile with 6 arguments)
3127         AC_TRY_LINK([
3128                 #include <stdlib.h>
3129                 #include <sys/types.h>
3130                 #include <sys/socket.h>
3131                 #include <sys/uio.h>
3132         ], [
3133                 int result = sendfile(0, 0, 0, NULL, NULL, 0);
3134         ],[
3135                 AC_MSG_RESULT(yes)
3136                 AC_DEFINE(HAVE_SENDFILE_6, 1, [sendfile with 6 arguments])
3137         ], [
3138                 AC_MSG_RESULT(no)
3139         ])
3140
3141         AC_CHECK_FUNC(fcopyfile,     [AC_DEFINE(HAVE_FCOPYFILE, 1, [fcopyfile])])
3142         AC_CHECK_FUNC(epoll_create1, [AC_DEFINE(HAVE_EPOLL, 1, [epoll_create1])])
3143         AC_CHECK_FUNC(accept4,       [AC_DEFINE(HAVE_ACCEPT4, 1, [accept4])])
3144         AC_CHECK_FUNC(kqueue,        [AC_DEFINE(HAVE_KQUEUE, 1, [kqueue])])
3145
3146         ORIG_CFLAGS="$CFLAGS"
3147         CFLAGS="-Werror -Wsign-conversion"
3148
3149         AC_MSG_CHECKING(for getnameinfo with signed flags)
3150         AC_TRY_COMPILE([
3151                 #include <sys/types.h>
3152                 #include <netdb.h>
3153         ], [
3154                 const struct sockaddr *addr;
3155                 socklen_t addrlen;
3156                 char *host;
3157                 socklen_t hostlen;
3158                 char *serv;
3159                 socklen_t servlen;
3160                 int flags;
3161                 int result = getnameinfo(addr, addrlen, host, hostlen, serv, servlen, flags);
3162         ],[
3163                 AC_MSG_RESULT(yes)
3164                 AC_DEFINE(HAVE_GETNAMEINFO_SIGNED_FLAGS, 1, [getnameinfo with signed flags])
3165         ], [
3166                 AC_MSG_RESULT(no)
3167         ])
3168
3169         CFLAGS="$ORIG_CFLAGS"
3170
3171         if test "x$host_linux" = "xyes"; then
3172                 AC_DEFINE(HAVE_SUPPORT_FOR_DUAL_MODE_IPV4_PACKET_INFO, 1, [HAVE_SUPPORT_FOR_DUAL_MODE_IPV4_PACKET_INFO])
3173         else
3174                 AC_DEFINE(HAVE_SUPPORT_FOR_DUAL_MODE_IPV4_PACKET_INFO, 0, [HAVE_SUPPORT_FOR_DUAL_MODE_IPV4_PACKET_INFO])
3175         fi
3176
3177         ORIG_CFLAGS="$CFLAGS"
3178         CFLAGS="-Werror -Wsign-conversion"
3179
3180         AC_MSG_CHECKING(for bind with unsigned addrlen)
3181         AC_TRY_COMPILE([
3182                 #include <sys/socket.h>
3183         ], [
3184                 int fd;
3185                 struct sockaddr* addr;
3186                 socklen_t addrLen;
3187                 bind(fd, addr, addrLen);
3188         ],[
3189                 AC_MSG_RESULT(yes)
3190                 AC_DEFINE(BIND_ADDRLEN_UNSIGNED, 1, [bind with unsigned addrlen])
3191         ], [
3192                 AC_MSG_RESULT(no)
3193         ])
3194
3195         AC_MSG_CHECKING(for struct ipv6_mreq with unsigned ipv6mr_interface)
3196         AC_TRY_COMPILE([
3197                 #include <netinet/in.h>
3198                 #include <netinet/tcp.h>
3199         ], [
3200                 struct ipv6_mreq opt;
3201                 unsigned int index = 0;
3202                 opt.ipv6mr_interface = index;
3203         ],[
3204                 AC_MSG_RESULT(yes)
3205                 AC_DEFINE(IPV6MR_INTERFACE_UNSIGNED, 1, [struct ipv6_mreq with unsigned ipv6mr_interface])
3206         ], [
3207                 AC_MSG_RESULT(no)
3208         ])
3209
3210         AC_MSG_CHECKING(for inotify_rm_watch with unsigned wd)
3211         AC_TRY_COMPILE([
3212                 #include <sys/inotify.h>
3213         ], [
3214                 intptr_t fd;
3215                 uint32_t wd;
3216                 int result = inotify_rm_watch(fd, wd);
3217         ],[
3218                 AC_MSG_RESULT(yes)
3219                 AC_DEFINE(INOTIFY_RM_WATCH_WD_UNSIGNED, 1, [inotify_rm_watch with unsigned wd])
3220         ], [
3221                 AC_MSG_RESULT(no)
3222         ])
3223
3224         CFLAGS="$ORIG_CFLAGS"
3225
3226         AC_MSG_CHECKING(for shm_open that works well enough with mmap)
3227         if test "x$ac_cv_func_shm_open" = "xno" -o "x$ac_cv_func_shm_open_working_with_mmap" = "xno" ; then
3228                 AC_MSG_RESULT(no)
3229         else
3230                 AC_TRY_RUN([
3231                         #include <sys/mman.h>
3232                         #include <fcntl.h>
3233                         #include <unistd.h>
3234
3235                         int main ()
3236                         {
3237                                 int fd = shm_open("/mono_configure_shm_open", O_CREAT | O_RDWR, 0777);
3238                                 if (fd == -1)
3239                                         return -1;
3240
3241                                 shm_unlink("/mono_configure_shm_open");
3242
3243                                 // NOTE: PROT_EXEC and MAP_PRIVATE don't work well with shm_open
3244                                 //       on at least the current version of Mac OS X
3245
3246                                 if (mmap(NULL, 1, PROT_EXEC, MAP_PRIVATE, fd, 0) == MAP_FAILED)
3247                                         return -1;
3248
3249                                 return 0;
3250                         }
3251                 ],[
3252                         AC_MSG_RESULT(yes)
3253                         AC_DEFINE(HAVE_SHM_OPEN_THAT_WORKS_WELL_ENOUGH_WITH_MMAP, 1, [shm_open that works well enough with mmap])
3254                 ], [
3255                         AC_MSG_RESULT(no)
3256                 ])
3257         fi
3258
3259         AC_MSG_CHECKING(for getpriority with int who)
3260         AC_TRY_COMPILE([
3261                 #include <sys/resource.h>
3262         ], [
3263                 int which;
3264                 int who;
3265                 int result = getpriority(which, who);
3266         ],[
3267                 AC_MSG_RESULT(yes)
3268                 AC_DEFINE(PRIORITY_REQUIRES_INT_WHO, 1, [getpriority with int who])
3269         ], [
3270                 AC_MSG_RESULT(no)
3271         ])
3272
3273         AC_MSG_CHECKING(for kevent with int parameters)
3274         AC_TRY_COMPILE([
3275                 #include <sys/types.h>
3276                 #include <sys/event.h>
3277         ], [
3278                 int kg;
3279                 const struct kevent* chagelist;
3280                 int nchanges;
3281                 struct kevent* eventlist;
3282                 int nevents;
3283                 const struct timespec* timeout;
3284                 int result = kevent(kg, chagelist, nchanges, eventlist, nevents, timeout);
3285         ],[
3286                 AC_MSG_RESULT(yes)
3287                 AC_DEFINE(KEVENT_REQUIRES_INT_PARAMS, 1, [kevent with int parameters])
3288         ], [
3289                 AC_MSG_RESULT(no)
3290         ])
3291
3292         ORIG_CFLAGS="$CFLAGS"
3293         CFLAGS="-Werror -Wimplicit-function-declaration"
3294
3295         AC_MSG_CHECKING(for mkstemps)
3296         AC_TRY_COMPILE([
3297                 #include <stdlib.h>
3298                 #include <unistd.h>
3299                 #include <string.h>
3300         ], [
3301                 char *template;
3302                 int suffixlen;
3303                 int result = mkstemps(template, suffixlen);
3304         ],[
3305                 AC_MSG_RESULT(yes)
3306                 AC_DEFINE(HAVE_MKSTEMPS, 1, [mkstemps])
3307                 have_mkstemps=yes
3308         ], [
3309                 AC_MSG_RESULT(no)
3310         ])
3311
3312         CFLAGS="$ORIG_CFLAGS"
3313
3314         if test "x$have_mkstemps" != "xyes" -a "x$ac_cv_func_mkstemp" != "xyes"; then
3315                 AC_MSG_ERROR([Cannot find mkstemps or mkstemp on this platform])
3316         fi
3317
3318         AC_MSG_CHECKING(for tcp/var.h)
3319         AC_TRY_COMPILE([
3320                 #include <sys/types.h>
3321                 #include <sys/socketvar.h>
3322                 #include <netinet/ip.h>
3323                 #include <netinet/tcp.h>
3324                 #include <netinet/tcp_var.h>
3325         ], [
3326         ],[
3327                 AC_MSG_RESULT(yes)
3328                 AC_DEFINE(HAVE_TCP_VAR_H, 1, [tcp/var.h])
3329         ], [
3330                 AC_MSG_RESULT(no)
3331         ])
3332
3333         AC_CHECK_HEADERS([sys/cdefs.h])
3334
3335         AC_MSG_CHECKING(for TCPSTATE enum in netinet/tcp.h)
3336         AC_TRY_COMPILE([
3337                 #ifdef HAVE_SYS_CDEFS_H
3338                 #include <sys/cdefs.h>
3339                 #endif
3340                 #include <netinet/tcp.h>
3341         ], [
3342                 int result = TCP_ESTABLISHED;
3343         ],[
3344                 AC_MSG_RESULT(yes)
3345                 AC_DEFINE(HAVE_TCP_H_TCPSTATE_ENUM, 1, [TCPSTATE enum in netinet/tcp.h])
3346         ], [
3347                 AC_MSG_RESULT(no)
3348         ])
3349
3350         AC_CHECK_DECL(TCPS_ESTABLISHED, [AC_DEFINE(HAVE_TCP_FSM_H, 1, [HAVE_TCP_FSM_H])], [], [[#include <netinet/tcp_fsm.h>]])
3351
3352         AC_MSG_CHECKING(for struct rt_msghdr)
3353         AC_TRY_COMPILE([
3354                 #include <sys/types.h>
3355                 #include <net/route.h>
3356         ], [
3357                 struct rt_msghdr;
3358         ],[
3359                 AC_MSG_RESULT(yes)
3360                 AC_DEFINE(HAVE_RT_MSGHDR, 1, [struct rt_msghdr])
3361         ], [
3362                 AC_MSG_RESULT(no)
3363         ])
3364
3365         AC_CHECK_HEADERS([sys/sysctl.h])
3366         AC_CHECK_HEADERS([linux/rtnetlink.h])
3367
3368         AC_CHECK_FUNC(getpeereid,    [AC_DEFINE(HAVE_GETPEEREID, 1, [getpeereid])])
3369         AC_CHECK_FUNC(getdomainname, [AC_DEFINE(HAVE_GETDOMAINNAME, 1, [getdomainname])])
3370         AC_CHECK_FUNC(uname,         [AC_DEFINE(HAVE_UNAME, 1, [uname])])
3371
3372         ORIG_CFLAGS="$CFLAGS"
3373         CFLAGS="-Werror -Weverything"
3374
3375         AC_MSG_CHECKING(for getdomainname with size_t namelen)
3376         AC_TRY_COMPILE([
3377                 #include <unistd.h>
3378         ], [
3379                 size_t namelen = 20;
3380                 char name[20];
3381                 int result = getdomainname(name, namelen);
3382         ],[
3383                 AC_MSG_RESULT(yes)
3384                 AC_DEFINE(HAVE_GETDOMAINNAME_SIZET, 1, [getdomainname with size_t namelen])
3385         ], [
3386                 AC_MSG_RESULT(no)
3387         ])
3388
3389         CFLAGS="$ORIG_CFLAGS"
3390
3391         AC_CHECK_FUNC(inotify_init, [AC_DEFINE(HAVE_INOTIFY_INIT, 1, [inotify_init])])
3392         AC_CHECK_FUNC(inotify_add_watch, [AC_DEFINE(HAVE_INOTIFY_ADD_WATCH, 1, [inotify_add_watch])])
3393         AC_CHECK_FUNC(inotify_rm_watch, [AC_DEFINE(HAVE_INOTIFY_RM_WATCH, 1, [inotify_rm_watch])])
3394
3395         if test "x$ac_cv_func_inotify_init" = "xyes" -a "x$ac_cv_func_inotify_add_watch" = "xyes" -a "x$ac_cv_func_inotify_rm_watch" = "xyes"; then
3396                 AC_DEFINE(HAVE_INOTIFY, 1, [HAVE_INOTIFY])
3397         elif test "x$host_linux" = "xyes"; then
3398                 AC_MSG_ERROR([Cannot find inotify functions on a Linux platform.])
3399         fi
3400
3401         AC_CHECK_HEADERS([crt_externs.h])
3402
3403         AC_MSG_CHECKING(for _NSGetEnviron)
3404         AC_TRY_COMPILE([
3405                 #include <crt_externs.h>
3406         ], [
3407                 char **result = *(_NSGetEnviron());
3408         ],[
3409                 AC_MSG_RESULT(yes)
3410                 AC_DEFINE(HAVE_NSGETENVIRON, 1, [_NSGetEnviron])
3411         ], [
3412                 AC_MSG_RESULT(no)
3413         ])
3414
3415         AC_CHECK_DECL(IN_EXCL_UNLINK, [AC_DEFINE(HAVE_IN_EXCL_UNLINK, 1, [IN_EXCL_UNLINK])], [], [[#include <sys/inotify.h>]])
3416
3417 else
3418         dnl *********************************
3419         dnl *** Checks for Windows compilation ***
3420         dnl *********************************
3421         AC_CHECK_HEADERS(winternl.h)
3422
3423         jdk_headers_found=no
3424         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
3425         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
3426         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
3427         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
3428         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
3429         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
3430         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
3431
3432         dnl *********************************
3433         dnl *** Check for struct ip_mreqn ***
3434         dnl *********************************
3435         AC_MSG_CHECKING(for struct ip_mreqn)
3436         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
3437                 struct ip_mreqn mreq;
3438                 mreq.imr_address.s_addr = 0;
3439         ], [
3440                 # Yes, we have it...
3441                 AC_MSG_RESULT(yes)
3442                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
3443         ], [
3444                 # We'll just have to try and use struct ip_mreq
3445                 AC_MSG_RESULT(no)
3446                 AC_MSG_CHECKING(for struct ip_mreq)
3447                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
3448                         struct ip_mreq mreq;
3449                         mreq.imr_interface.s_addr = 0;
3450                 ], [
3451                         # Yes, we have it...
3452                         AC_MSG_RESULT(yes)
3453                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
3454                 ], [
3455                         # No multicast support
3456                         AC_MSG_RESULT(no)
3457                 ])
3458         ])
3459
3460         dnl **********************************
3461         dnl *** Check for getaddrinfo ***
3462         dnl **********************************
3463         AC_MSG_CHECKING(for getaddrinfo)
3464                 AC_TRY_LINK([
3465                 #include <stdio.h>
3466                 #include <winsock2.h>
3467                 #include <ws2tcpip.h>
3468         ], [
3469                 getaddrinfo(NULL,NULL,NULL,NULL);
3470         ], [
3471                 # Yes, we have it...
3472                 AC_MSG_RESULT(yes)
3473                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
3474         ], [
3475                 AC_MSG_RESULT(no)
3476         ])
3477
3478         dnl **********************************
3479         dnl *** Check for gethostbyname ***
3480         dnl **********************************
3481         AC_MSG_CHECKING(for gethostbyname)
3482                 AC_TRY_LINK([
3483                 #include <stdio.h>
3484                 #include <winsock2.h>
3485                 #include <ws2tcpip.h>
3486         ], [
3487                 gethostbyname(NULL);
3488         ], [
3489                 # Yes, we have it...
3490                 AC_MSG_RESULT(yes)
3491                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
3492         ], [
3493                 AC_MSG_RESULT(no)
3494         ])
3495
3496         dnl **********************************
3497         dnl *** Check for getprotobyname ***
3498         dnl **********************************
3499         AC_MSG_CHECKING(for getprotobyname)
3500                 AC_TRY_LINK([
3501                 #include <stdio.h>
3502                 #include <winsock2.h>
3503                 #include <ws2tcpip.h>
3504         ], [
3505                 getprotobyname(NULL);
3506         ], [
3507                 # Yes, we have it...
3508                 AC_MSG_RESULT(yes)
3509                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
3510         ], [
3511                 AC_MSG_RESULT(no)
3512         ])
3513
3514         dnl **********************************
3515         dnl *** Check for getnameinfo ***
3516         dnl **********************************
3517         AC_MSG_CHECKING(for getnameinfo)
3518                 AC_TRY_LINK([
3519                 #include <stdio.h>
3520                 #include <winsock2.h>
3521                 #include <ws2tcpip.h>
3522         ], [
3523                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
3524         ], [
3525                 # Yes, we have it...
3526                 AC_MSG_RESULT(yes)
3527                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
3528         ], [
3529                 AC_MSG_RESULT(no)
3530         ])
3531
3532         dnl **********************************
3533         dnl *** Check for inet_ntop ***
3534         dnl **********************************
3535         AC_MSG_CHECKING(for inet_ntop)
3536                 AC_TRY_LINK([
3537                 #include <stdio.h>
3538                 #include <winsock2.h>
3539                 #include <ws2tcpip.h>
3540         ], [
3541                 inet_ntop (0, NULL, NULL, 0);
3542         ], [
3543                 # Yes, we have it...
3544                 AC_MSG_RESULT(yes)
3545                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
3546         ], [
3547                 AC_MSG_RESULT(no)
3548         ])
3549
3550         dnl **********************************
3551         dnl *** Check for inet_pton ***
3552         dnl **********************************
3553         AC_MSG_CHECKING(for inet_pton)
3554                 AC_TRY_LINK([
3555                 #include <stdio.h>
3556                 #include <winsock2.h>
3557                 #include <ws2tcpip.h>
3558         ], [
3559                 #ifndef inet_pton
3560                 (void) inet_pton;
3561                 #endif
3562                 inet_pton (0, NULL, NULL);
3563         ], [
3564                 # Yes, we have it...
3565                 AC_MSG_RESULT(yes)
3566                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
3567         ], [
3568                 AC_MSG_RESULT(no)
3569         ])
3570
3571         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
3572         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
3573         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
3574         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
3575         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
3576         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
3577         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
3578 fi
3579
3580 dnl socklen_t check
3581 AC_MSG_CHECKING(for socklen_t)
3582 AC_TRY_COMPILE([
3583 #include <sys/types.h>
3584 #include <sys/socket.h>
3585 ],[
3586   socklen_t foo;
3587 ],[
3588 ac_cv_c_socklen_t=yes
3589         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
3590         AC_MSG_RESULT(yes)
3591 ],[
3592         AC_MSG_RESULT(no)
3593 ])
3594
3595 AC_MSG_CHECKING(for array element initializer support)
3596 AC_TRY_COMPILE([#include <sys/socket.h>], [
3597         const int array[] = {[1] = 2,};
3598 ], [
3599         # Yes, we have it...
3600         AC_MSG_RESULT(yes)
3601         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
3602 ], [
3603         # We'll have to use signals
3604         AC_MSG_RESULT(no)
3605 ])
3606
3607 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
3608         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
3609         AC_TRY_LINK([#include <math.h>],
3610         [ static void *p = &trunc; ],
3611         [
3612                 AC_DEFINE(HAVE_TRUNC)
3613                 AC_MSG_RESULT(yes)
3614                 ac_cv_trunc=yes
3615         ],
3616         AC_MSG_RESULT(no)))
3617
3618 if test "x$ac_cv_truncl" != "xyes"; then
3619    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
3620 fi
3621
3622 AC_CHECK_FUNCS(execvp)
3623
3624 dnl ****************************
3625 dnl *** Look for /dev/random ***
3626 dnl ****************************
3627
3628 AC_MSG_CHECKING([if usage of random device is requested])
3629 AC_ARG_ENABLE(dev-random,
3630 [  --disable-dev-random    disable the use of the random device (enabled by default)],
3631 try_dev_random=$enableval, try_dev_random=yes)
3632
3633 AC_MSG_RESULT($try_dev_random)
3634
3635 case "{$build}" in
3636
3637 dnl IBM i does not have /dev/random, use unblocking only
3638
3639     *-*-os400*)
3640     NAME_DEV_RANDOM="/dev/urandom"
3641     ;;
3642
3643 dnl Win32 does not have /dev/random, they have their own method...
3644
3645     *-mingw*|*-*-cygwin*)
3646     ac_cv_have_dev_random=no
3647     ;;
3648
3649 dnl Everywhere else, it's /dev/random
3650
3651     *)
3652     NAME_DEV_RANDOM="/dev/random"
3653     ;;
3654 esac
3655
3656 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
3657
3658 dnl Now check if the device actually exists
3659
3660 if test "x$try_dev_random" = "xyes"; then
3661     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
3662     [if test -r "$NAME_DEV_RANDOM" ; then
3663         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
3664     if test "x$ac_cv_have_dev_random" = "xyes"; then
3665         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
3666     fi
3667 else
3668     AC_MSG_CHECKING(for random device)
3669     ac_cv_have_dev_random=no
3670     AC_MSG_RESULT(has been disabled)
3671 fi
3672
3673 if test "x$host_win32" = "xyes"; then
3674     AC_DEFINE(HAVE_CRYPT_RNG)
3675 fi
3676
3677 if test "x$ac_cv_have_dev_random" = "xno" \
3678     && test "x$host_win32" = "xno"; then
3679     AC_MSG_WARN([[
3680 ***
3681 *** A system-provided entropy source was not found on this system.
3682 *** Because of this, the System.Security.Cryptography random number generator
3683 *** will throw a NotImplemented exception.
3684 ***
3685 *** If you are seeing this message, and you know your system DOES have an
3686 *** entropy collection in place, please report an issue on GitHub and
3687 *** provide information about the system and how to access the random device.
3688 ***
3689 *** Otherwise you can install either egd or prngd and set the environment
3690 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
3691 ***]])
3692 fi
3693
3694 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
3695
3696 AC_MSG_CHECKING([if big-arrays are to be enabled])
3697 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
3698 if test "x$enable_big_arrays" = "xyes" ; then
3699     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
3700         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
3701     else
3702         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
3703     fi
3704 fi
3705 AC_MSG_RESULT($enable_big_arrays)
3706
3707 dnl **************
3708 dnl *** DTRACE ***
3709 dnl **************
3710
3711 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
3712
3713 if test "x$enable_dtrace" = "xyes"; then
3714    if test "x$has_dtrace" = "xno"; then
3715           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
3716    fi
3717    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
3718    if test "x$DTRACE" = "xno"; then
3719           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
3720           enable_dtrace=no
3721    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
3722           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
3723           enable_dtrace=no
3724    fi
3725 fi
3726
3727 dtrace_g=no
3728 if test "x$enable_dtrace" = "xyes"; then
3729         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
3730         DTRACEFLAGS=
3731         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3732                 case "$host" in
3733                         powerpc-*-darwin*)
3734                         DTRACEFLAGS="-arch ppc64"
3735                         ;;
3736                         i*86-*-darwin*)
3737                         DTRACEFLAGS="-arch x86_64"
3738                         ;;
3739                         *)
3740                         DTRACEFLAGS=-64
3741                         ;;
3742                 esac
3743         else
3744                 case "$host" in
3745                         powerpc-*-darwin*)
3746                         DTRACEFLAGS="-arch ppc"
3747                         ;;
3748                         i*86-*-darwin*)
3749                         DTRACEFLAGS="-arch i386"
3750                         ;;
3751                         *)
3752                         DTRACEFLAGS=-32
3753                         ;;
3754                 esac
3755         fi
3756         AC_SUBST(DTRACEFLAGS)
3757         case "$host" in
3758                 *-*-solaris*)
3759                 dtrace_g=yes
3760                 ;;
3761         esac
3762         AC_CHECK_HEADERS([sys/sdt.h])
3763 fi
3764 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
3765 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
3766
3767 dnl **************************
3768 dnl *** AOT cross offsets  ***
3769 dnl **************************
3770
3771 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
3772     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
3773
3774 dnl **************
3775 dnl ***  LLVM  ***
3776 dnl **************
3777
3778 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
3779 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
3780 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
3781 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
3782 AC_ARG_ENABLE(llvm-asserts,[  --enable-llvm-asserts Enable llvm asserts (option to LLVM in CMake)], enable_llvm_asserts=$enableval, enable_llvm_asserts=no)
3783
3784 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
3785
3786 if test "x$enable_llvm" = "xdefault"; then
3787    enable_llvm=$enable_llvm_default
3788 fi
3789
3790 internal_llvm="no"
3791 if test "x$enable_llvm" = "xyes"; then
3792         if test "x$with_llvm" != "x"; then
3793                 EXTERNAL_LLVM_CONFIG=$with_llvm/bin/llvm-config
3794                 if test ! -x $EXTERNAL_LLVM_CONFIG; then
3795                         AC_MSG_ERROR([LLVM executable $EXTERNAL_LLVM_CONFIG not found.])
3796                 fi
3797         else
3798                 AC_PATH_PROG(EXTERNAL_LLVM_CONFIG, llvm-config, no)
3799                 if test "x$EXTERNAL_LLVM_CONFIG" = "xno"; then
3800                         internal_llvm=yes
3801                 else
3802                         with_llvm=`$EXTERNAL_LLVM_CONFIG --prefix`
3803                 fi
3804         fi
3805
3806         if test "x$host_win32" != "xyes"; then
3807                 LLVM_CODEGEN_LIBS="x86codegen"
3808                 case "$target" in
3809                 arm*)
3810                         LLVM_CODEGEN_LIBS="armcodegen"
3811                         ;;
3812                 aarch64*)
3813                         LLVM_CODEGEN_LIBS="aarch64codegen"
3814                         ;;
3815                 powerpc*)
3816                         LLVM_CODEGEN_LIBS="powerpccodegen"
3817                         ;;
3818                 esac
3819                 if test "x$host" != "x$target"; then
3820                         # No need for jit libs
3821                         LLVM_CODEGEN_LIBS=
3822                 fi
3823
3824                 AC_SUBST(LLVM_CODEGEN_LIBS)
3825                 AC_SUBST(EXTERNAL_LLVM_CONFIG)
3826         else # is win32
3827                 AC_MSG_ERROR([LLVM for Windows only supported using Visual Studio build mono runtime, see http://www.mono-project.com/docs/advanced/mono-llvm/ for more details.])
3828         fi # win32
3829
3830         AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3831 fi # ENABLE_LLVM
3832
3833 # AC_DEFINE necessary for correct restore behavior on Linux
3834 AM_CONDITIONAL(INTERNAL_LLVM, [test "x$internal_llvm" != "xno"])
3835 if test "x$internal_llvm" != "xno"; then
3836    AC_DEFINE(INTERNAL_LLVM, 1, [LLVM used is being build during mono build])
3837 fi
3838
3839 AM_CONDITIONAL(INTERNAL_LLVM_ASSERTS, [test "x$enable_llvm_asserts" != "xno"])
3840 if test "x$internal_llvm_asserts" != "xno"; then
3841    AC_DEFINE(INTERNAL_LLVM_ASSERTS, 1, [Build LLVM with assertions])
3842 fi
3843
3844 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3845
3846 if test "x$enable_loadedllvm" = "xyes"; then
3847    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3848 fi
3849 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3850
3851 if test "x$enable_llvm" = "xyes"; then
3852    enable_llvm_runtime=yes
3853 fi
3854 if test "x$enable_llvm_runtime" = "xyes"; then
3855    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3856 fi
3857 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3858
3859 TARGET="unknown"
3860 ACCESS_UNALIGNED="yes"
3861
3862 LIBC="libc.so.6"
3863 INTL="libc.so.6"
3864 SQLITE="libsqlite.so.0"
3865 SQLITE3="libsqlite3.so.0"
3866 X11="libX11.so"
3867 GDKX11="libgdk-x11-2.0.so.0"
3868 GTKX11="libgtk-x11-2.0.so.0"
3869 XINERAMA="libXinerama.so.1"
3870
3871 sizeof_register="SIZEOF_VOID_P"
3872
3873 jit_wanted=true
3874 boehm_supported=true
3875 BTLS_SUPPORTED=no
3876 BTLS_PLATFORM=
3877
3878 case "$host" in
3879         wasm32*)
3880                 TARGET=WASM
3881                 arch_target=wasm
3882                 BTLS_SUPPORTED=no
3883                 ACCESS_UNALIGNED="no"
3884                 with_tls=pthread
3885                 ;;
3886         mips*)
3887                 TARGET=MIPS;
3888                 arch_target=mips;
3889                 with_tls=pthread;
3890                 ACCESS_UNALIGNED="no"
3891
3892                 AC_MSG_CHECKING(for mips n32)
3893                 AC_TRY_COMPILE([],[
3894                 #if _MIPS_SIM != _ABIN32
3895                 #error Not mips n32
3896                 #endif
3897                 ],[
3898                 AC_MSG_RESULT(yes)
3899                 sizeof_register=8
3900                 ],[
3901                 AC_MSG_RESULT(no)
3902                 ])
3903                 ;;
3904         i*86-*-*)
3905                 TARGET=X86;
3906                 arch_target=x86;
3907                 case $host_os in
3908                   solaris*)
3909                         LIBC="libc.so"
3910                         INTL="libintl.so"
3911                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3912                                 TARGET=AMD64
3913                                 arch_target=amd64
3914                         fi
3915
3916                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3917                         # int astruct __attribute__ ((visibility ("hidden")));
3918                         # void foo ()
3919                         # {
3920                         #       void *p = &astruct;
3921                         # }
3922                         # gcc -fPIC --shared -o libfoo.so foo.c
3923                         # yields:
3924                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3925                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3926                         have_visibility_hidden=no
3927                         ;;
3928                   mingw*|cygwin*)
3929                         have_visibility_hidden=no
3930                         ;;
3931                   haiku*)
3932                         LIBC=libroot.so
3933                         ;;
3934                   linux*)
3935                         AOT_SUPPORTED="yes"
3936                         BTLS_SUPPORTED=yes
3937                         BTLS_PLATFORM=i386
3938                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3939                         ;;
3940                   darwin*)
3941                         AOT_SUPPORTED="yes"
3942                         BTLS_SUPPORTED=yes
3943                         BTLS_PLATFORM=i386
3944                         ;;
3945                   openbsd*|freebsd*|kfreebsd-gnu*)
3946                         AOT_SUPPORTED="yes"
3947                         BTLS_SUPPORTED=yes
3948                         BTLS_PLATFORM=i386
3949                         ;;
3950                 esac
3951                 ;;
3952         x86_64-*-* | amd64-*-*)
3953                 TARGET=AMD64;
3954                 arch_target=amd64;
3955                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3956                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3957                         sizeof_register=8
3958                 fi
3959                 case $host_os in
3960                   linux*)
3961                         AOT_SUPPORTED="yes"
3962                         BTLS_SUPPORTED=yes
3963                         BTLS_PLATFORM=x86_64
3964                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3965                         ;;
3966                   darwin*)
3967                         AOT_SUPPORTED="yes"
3968                         BTLS_SUPPORTED=yes
3969                         BTLS_PLATFORM=x86_64
3970                         boehm_supported=false
3971                         ;;
3972                   openbsd*|freebsd*|kfreebsd-gnu*)
3973                         AOT_SUPPORTED="yes"
3974                         BTLS_SUPPORTED=yes
3975                         BTLS_PLATFORM=x86_64
3976                         ;;
3977                   mingw*)
3978                         ;;
3979                 esac
3980                 ;;
3981         sparc*-*-*)
3982                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3983                    TARGET=SPARC64
3984                 else
3985                         TARGET=SPARC
3986                 fi
3987                 arch_target=sparc;
3988                 ACCESS_UNALIGNED="no"
3989                 case $host_os in
3990                   linux*) ;;
3991                   *)
3992                         LIBC="libc.so"
3993                         INTL="libintl.so"
3994                 esac
3995                 if test x"$GCC" = xyes; then
3996                         # We don't support v8 cpus
3997                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3998                 fi
3999                 if test x"$AR" = xfalse; then
4000                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
4001                 fi
4002                 ;;
4003         *-mingw*|*-*-cygwin*)
4004                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
4005                 have_visibility_hidden=no
4006                 INTL="intl"
4007                 ;;
4008         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
4009         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | \
4010         powerpc-*-freebsd* | powerpc*-*-aix* | powerpc*-*-os400* )
4011                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
4012                         TARGET=POWERPC64;
4013                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
4014                         if ! (echo $CC | grep -q -- 'clang'); then
4015                                 CFLAGS="$CFLAGS -mminimal-toc"
4016                         fi
4017                 else
4018                         TARGET=POWERPC;
4019                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
4020                 fi
4021                 arch_target=ppc;
4022                 case $host_os in
4023                   aix*|os400*)
4024                         BTLS_SUPPORTED=yes
4025                         BTLS_PLATFORM=powerpc
4026                         dnl on AIX/PASE, shared libraries can be inside archives
4027                         dnl if they are, we specify them by lib.a(lib.so)
4028                         dnl we may hardcode 64-bit names at times, but we don't do 32-bit AIX, so
4029                         LIBC="libc.a(shr_64.o)"
4030                         INTL="libintl.a(libintl.so.8)"
4031                         ;;
4032                   linux*)
4033                         BTLS_SUPPORTED=yes
4034                         BTLS_PLATFORM=powerpc
4035                         ;;
4036                 esac
4037                 ;;
4038         armv7k-*-darwin*)
4039                 TARGET=ARM;
4040                 TARGET_SYS=WATCHOS
4041                 arch_target=arm;
4042                 arm_fpu=VFP_HARD
4043                 ACCESS_UNALIGNED="no"
4044                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4045                 ;;
4046
4047         arm*-darwin*)
4048                 TARGET=ARM;
4049                 arch_target=arm;
4050                 ACCESS_UNALIGNED="no"
4051                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4052                 ;;
4053         arm*-linux*)
4054                 TARGET=ARM;
4055                 arch_target=arm;
4056                 ACCESS_UNALIGNED="no"
4057                 AOT_SUPPORTED="yes"
4058                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4059                 BTLS_SUPPORTED=yes
4060                 BTLS_PLATFORM=arm
4061                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
4062                 case "$target" in
4063                 arm*-linux*-gnueabi)
4064                         BTLS_PLATFORM=armsoft
4065                         ;;
4066                 esac
4067                 ;;
4068         arm*-netbsd*-eabi*)
4069                 TARGET=ARM;
4070                 arch_target=arm;
4071                 ACCESS_UNALIGNED="no"
4072                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4073                 ;;
4074         aarch64-*)
4075                 # https://lkml.org/lkml/2012/7/15/133
4076                 TARGET=ARM64
4077                 arch_target=arm64
4078                 boehm_supported=false
4079                 AOT_SUPPORTED="yes"
4080                 BTLS_SUPPORTED=yes
4081                 BTLS_PLATFORM=aarch64
4082                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
4083                 ;;
4084         s390x-*-linux*)
4085                 TARGET=S390X;
4086                 arch_target=s390x;
4087                 ACCESS_UNALIGNED="yes"
4088                 BTLS_SUPPORTED=yes
4089                 BTLS_PLATFORM=s390x
4090                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
4091                 ;;
4092 esac
4093
4094 HOST=$TARGET
4095
4096 if test "x$host" != "x$target"; then
4097    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
4098    enable_mcs_build=no
4099    enable_support_build=no
4100    BTLS_SUPPORTED=no
4101    # Can't use tls, since it depends on the runtime detection of tls offsets
4102    # in mono-compiler.h
4103    with_tls=pthread
4104    target_mach=no
4105    case "$target" in
4106    wasm32*)
4107                 TARGET=WASM
4108                 arch_target=wasm
4109                 AC_DEFINE(TARGET_WASM, 1, [Target wasm])
4110                 ;;
4111    arm*-darwin*)
4112                 TARGET=ARM;
4113                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4114                 case "$target" in
4115                 armv7k-*)
4116                         arm_fpu=VFP_HARD
4117                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
4118                         ;;
4119                 esac
4120                 ;;
4121    powerpc64-ps3-linux-gnu)
4122                 TARGET=POWERPC64
4123                 arch_target=powerpc64
4124                 AC_DEFINE(TARGET_PS3, 1, [...])
4125                 # It would be better to just use TARGET_POWERPC64, but lots of code already
4126                 # uses this define
4127                 AC_DEFINE(__mono_ppc64__, 1, [...])
4128                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
4129                 sizeof_register=8
4130                 target_byte_order=G_BIG_ENDIAN
4131                 ;;
4132    powerpc64-xbox360-linux-gnu)
4133                 TARGET=POWERPC64
4134                 arch_target=powerpc64
4135                 AC_DEFINE(TARGET_XBOX360, 1, [...])
4136                 # It would be better to just use TARGET_POWERPC64, but lots of code already
4137                 # uses this define
4138                 sizeof_register=8
4139                 target_byte_order=G_BIG_ENDIAN
4140                 ;;
4141    arm*-linux-*)
4142                 TARGET=ARM;
4143                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4144                 ;;
4145    arm*-netbsd*-eabi*)
4146                 TARGET=ARM;
4147                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
4148                 ;;
4149    i686*-linux-*)
4150                 TARGET=X86;
4151                 ;;
4152    i*86-apple-*)
4153                 TARGET=X86;
4154                 ;;
4155    x86_64*-linux-*)
4156                 TARGET=AMD64;
4157                 ;;
4158    x86_64-ps4-freebsd)
4159                 TARGET=AMD64;
4160                 AC_DEFINE(TARGET_PS4, 1, [...])
4161                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
4162                 CPPFLAGS="$CPPFLAGS"
4163                 target_win32=no
4164                 ;;
4165    aarch64*-linux-*)
4166                 TARGET=ARM64;
4167                 ;;
4168         aarch64-*)
4169                 TARGET=ARM64
4170                 ;;
4171         *)
4172                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
4173         esac
4174
4175         case "$target" in
4176         *-darwin*)
4177                 target_mach=yes
4178                 ;;
4179         *-linux-android*)
4180                 AC_DEFINE(TARGET_ANDROID, 1, [...])
4181                 ;;
4182         esac
4183 fi
4184
4185 case "$TARGET" in
4186 WASM)
4187         AC_DEFINE(TARGET_WASM, 1, [...])
4188         arch_target=wasm
4189         target_sizeof_void_p=4
4190         ;;
4191 X86)
4192         AC_DEFINE(TARGET_X86, 1, [...])
4193         arch_target=x86
4194         target_sizeof_void_p=4
4195         ;;
4196 AMD64)
4197         AC_DEFINE(TARGET_AMD64, 1, [...])
4198         arch_target=amd64
4199         ;;
4200 ARM)
4201         AC_DEFINE(TARGET_ARM, 1, [...])
4202         arch_target=arm
4203         ACCESS_UNALIGNED="no"
4204         target_sizeof_void_p=4
4205         ;;
4206 ARM64)
4207         AC_DEFINE(TARGET_ARM64, 1, [...])
4208         arch_target=arm64
4209         ;;
4210 POWERPC)
4211         AC_DEFINE(TARGET_POWERPC, 1, [...])
4212         ;;
4213 POWERPC64)
4214         AC_DEFINE(TARGET_POWERPC, 1, [...])
4215         AC_DEFINE(TARGET_POWERPC64, 1, [...])
4216         ;;
4217 S390X)
4218         AC_DEFINE(TARGET_S390X, 1, [...])
4219         ;;
4220 MIPS)
4221         AC_DEFINE(TARGET_MIPS, 1, [...])
4222         ;;
4223 SPARC)
4224         AC_DEFINE(TARGET_SPARC, 1, [...])
4225         ;;
4226 SPARC64)
4227         AC_DEFINE(TARGET_SPARC64, 1, [...])
4228         ;;
4229 esac
4230
4231 case "$HOST" in
4232 WASM)
4233         AC_DEFINE(HOST_WASM, 1, [...])
4234         ;;
4235 X86)
4236         AC_DEFINE(HOST_X86, 1, [...])
4237         ;;
4238 AMD64)
4239         AC_DEFINE(HOST_AMD64, 1, [...])
4240         ;;
4241 ARM)
4242         AC_DEFINE(HOST_ARM, 1, [...])
4243         ;;
4244 ARM64)
4245         AC_DEFINE(HOST_ARM64, 1, [...])
4246         ;;
4247 POWERPC)
4248         AC_DEFINE(HOST_POWERPC, 1, [...])
4249         ;;
4250 POWERPC64)
4251         AC_DEFINE(HOST_POWERPC, 1, [...])
4252         AC_DEFINE(HOST_POWERPC64, 1, [...])
4253         ;;
4254 S390X)
4255         AC_DEFINE(HOST_S390X, 1, [...])
4256         ;;
4257 MIPS)
4258         AC_DEFINE(HOST_MIPS, 1, [...])
4259         ;;
4260 SPARC)
4261         AC_DEFINE(HOST_SPARC, 1, [...])
4262         ;;
4263 SPARC64)
4264         AC_DEFINE(HOST_SPARC64, 1, [...])
4265         ;;
4266 esac
4267
4268 MONO_ARCH_GSHAREDVT_SUPPORTED=0
4269 case "$HOST" in
4270 X86 | AMD64 | ARM | ARM64)
4271         MONO_ARCH_GSHAREDVT_SUPPORTED=1 # keep in sync with mini-{x86,amd64,arm,arm64}.h
4272         ;;
4273 esac
4274
4275 AM_CONDITIONAL(MONO_ARCH_GSHAREDVT_SUPPORTED, test $MONO_ARCH_GSHAREDVT_SUPPORTED = 1)
4276 AM_CONDITIONAL(TARGET_WASM, test $arch_target = wasm)
4277
4278 dnl *************
4279 dnl *** VTUNE ***
4280 dnl *************
4281
4282 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
4283 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
4284
4285 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
4286
4287 if test "x$enable_vtune" = "xyes"; then
4288         if test "x$with_vtune" = "x"; then
4289                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
4290         else
4291                 VTUNE_PATH=$with_vtune
4292         fi
4293         VTUNE_INCLUDE=$VTUNE_PATH/include
4294         case "$TARGET" in
4295         X86)
4296                 VTUNE_LIB=$VTUNE_PATH/lib32
4297                 ;;
4298         AMD64)
4299                 VTUNE_LIB=$VTUNE_PATH/lib64
4300                 ;;
4301         *)
4302                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
4303                 ;;
4304         esac
4305         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
4306                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
4307         fi
4308         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
4309                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
4310         fi
4311
4312         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
4313         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
4314
4315         AC_SUBST(VTUNE_LIBS)
4316         AC_SUBST(VTUNE_CFLAGS)
4317 fi
4318 dnl Use GCC atomic ops if they work on the target.
4319 if test x$GCC = "xyes"; then
4320         case $TARGET in
4321         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
4322                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
4323                 ;;
4324         esac
4325 fi
4326
4327 if test "x$target_mach" = "xyes"; then
4328
4329    if test "x$TARGET_SYS" = "xWATCHOS"; then
4330           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
4331           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
4332           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
4333           BTLS_SUPPORTED=no
4334    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
4335           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
4336           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
4337           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
4338           BTLS_SUPPORTED=no
4339    else
4340        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
4341        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
4342        #error fail this for ios
4343        #endif
4344        ], [
4345                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
4346           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
4347           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
4348           target_osx=yes
4349        ], [
4350           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
4351           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
4352           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
4353           BTLS_SUPPORTED=no
4354                   target_ios=yes
4355        ])
4356         fi
4357    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
4358 fi
4359
4360 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
4361
4362 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
4363
4364 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
4365    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
4366 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
4367    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
4368 else
4369    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
4370 fi
4371
4372 if test "x$target_sizeof_void_p" != "x"; then
4373    AC_DEFINE_UNQUOTED(TARGET_SIZEOF_VOID_P,${target_sizeof_void_p},[wordsize of target])
4374    # This is true for all the current cross-compiling targets
4375    AC_DEFINE(SIZEOF_REGISTER,TARGET_SIZEOF_VOID_P,[size of target machine integer registers])
4376 else
4377    AC_DEFINE(TARGET_SIZEOF_VOID_P,SIZEOF_VOID_P,[wordsize of target])
4378    if test "x$sizeof_register" = "x4"; then
4379       AC_DEFINE(SIZEOF_REGISTER,4,[size of target machine integer registers])
4380    elif test "x$sizeof_register" = "x8"; then
4381       AC_DEFINE(SIZEOF_REGISTER,8,[size of target machine integer registers])
4382    else
4383       AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of target machine integer registers])
4384    fi
4385 fi
4386
4387 if test "x$have_visibility_hidden" = "xyes"; then
4388    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
4389 fi
4390
4391 if test "x$have_deprecated" = "xyes"; then
4392    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
4393 fi
4394
4395 dnl
4396 dnl Simple Generational checks (sgen)
4397 dnl
4398 SGEN_DEFINES=
4399 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
4400 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
4401 if test x$buildsgen = xyes; then
4402    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
4403    SGEN_DEFINES="-DHAVE_SGEN_GC"
4404
4405         conc_gc_msg=""
4406    if test x$with_sgen_default_concurrent != xno; then
4407        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
4408            conc_gc_msg=" (concurrent by default)"
4409    fi
4410
4411    if test "x$gc_msg" = "x"; then
4412       gc_msg="sgen$conc_gc_msg"
4413    else
4414       gc_msg="sgen$conc_gc_msg and $gc_msg"
4415    fi
4416 fi
4417 AC_SUBST(SGEN_DEFINES)
4418 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
4419
4420 jit_status="Building and using the JIT"
4421
4422 libsuffix=".so"
4423
4424 case "$host" in
4425      *-*-darwin*)
4426         libsuffix=".dylib"
4427         LIBC="libc.dylib"
4428         INTL="libintl.dylib"
4429         SQLITE="libsqlite.0.dylib"
4430         SQLITE3="libsqlite3.0.dylib"
4431         X11="libX11.dylib"
4432         GDKX11="libgdk-x11-2.0.dylib"
4433         GTKX11="libgtk-x11-2.0.dylib"
4434         ;;
4435      *-*-*netbsd*)
4436         LIBC="libc.so"
4437         INTL="libintl.so"
4438         SQLITE="libsqlite.so"
4439         SQLITE3="libsqlite3.so"
4440         ;;
4441      *-*-kfreebsd*-gnu)
4442         LIBC="libc.so.0.1"
4443         INTL="libc.so.0.1"
4444         X11="libX11.so.6"
4445         ;;
4446     *-*-*freebsd*)
4447         LIBC="libc.so.7"
4448         INTL="libintl.so"
4449         SQLITE="libsqlite.so"
4450         SQLITE3="libsqlite3.so"
4451         ;;
4452     *-*-*openbsd*)
4453         LIBC="libc.so"
4454         INTL="libintl.so"
4455         SQLITE="libsqlite.so"
4456         SQLITE3="libsqlite3.so"
4457         ;;
4458     *-*-*linux*)
4459         AC_PATH_X
4460         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
4461         AC_MSG_CHECKING(for the soname of libX11.so)
4462         for i in $x_libraries $dlsearch_path; do
4463                 for r in 4 5 6; do
4464                         if test -f $i/libX11.so.$r; then
4465                                 X11=libX11.so.$r
4466                                 AC_MSG_RESULT($X11)
4467                         fi
4468                 done
4469         done
4470
4471         if test "x$X11" = "xlibX11.so"; then
4472                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
4473                 X11=libX11.so.6
4474         fi
4475         ;;
4476 esac
4477
4478 AC_SUBST(libsuffix)
4479
4480 ######################################
4481 # EGLIB CHECKS
4482 ######################################
4483
4484 GNUC_PRETTY=
4485 GNUC_UNUSED=
4486 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
4487 if test x$GCC = xyes; then
4488    GNUC_UNUSED='__attribute__((__unused__))'
4489    GNUC_NORETURN='__attribute__((__noreturn__))'
4490    case $host_cpu in
4491      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
4492    esac
4493 fi
4494 AC_SUBST(GNUC_PRETTY)
4495 AC_SUBST(GNUC_UNUSED)
4496 AC_SUBST(GNUC_NORETURN)
4497 AC_SUBST(BREAKPOINT)
4498
4499 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
4500
4501 case $host in
4502 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
4503     PATHSEP='\\'
4504     SEARCHSEP=';'
4505     OS="WIN32"
4506     PIDTYPE='void *'
4507     ;;
4508 *)
4509     PATHSEP='/'
4510     SEARCHSEP=':'
4511     OS="UNIX"
4512     PIDTYPE='int'
4513     ;;
4514 esac
4515
4516 case $host in
4517         *-*-solaris*)
4518         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
4519         ;;
4520 esac
4521
4522 case $target in
4523 arm*-darwin*|aarch64*-*)
4524     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
4525     ;;
4526 i*86-*-darwin*)
4527     ORDER=G_LITTLE_ENDIAN
4528     ;;
4529 *-*-haiku*)
4530     LDFLAGS="$LDFLAGS -ltextencoding"
4531     ;;
4532 *-*-openbsd*)
4533     CFLAGS="$CFLAGS -pthread"
4534     LDFLAGS="$LDFLAGS -pthread"
4535     ;;
4536 esac
4537
4538 AC_SUBST(ORDER)
4539 AC_SUBST(CFLAGS)
4540 AC_SUBST(PATHSEP)
4541 AC_SUBST(SEARCHSEP)
4542 AC_SUBST(OS)
4543 AC_SUBST(PIDTYPE)
4544
4545 # Defined for all targets/platforms using classic Windows API support.
4546 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
4547 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
4548
4549 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf)
4550 AC_CHECK_FUNCS(getrlimit)
4551 AC_CHECK_FUNCS(fork execv execve)
4552
4553 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
4554
4555 if test x$with_overridable_allocators = xyes; then
4556         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
4557   AC_MSG_NOTICE([Overridable allocator support enabled])
4558 else
4559   AC_MSG_NOTICE([Overridable allocator support disabled])
4560 fi
4561
4562 #
4563 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
4564 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
4565 # removed once support for 10.6 is dropped.
4566 #
4567 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
4568 #
4569 if test x$target_osx = xyes; then
4570 AC_CHECK_FUNCS(getpwuid_r)
4571 elif test x$target_ios = xno; then
4572 AC_CHECK_FUNCS(strndup getpwuid_r)
4573 fi
4574
4575 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
4576
4577 AC_SEARCH_LIBS(sqrtf, m)
4578
4579 # nanosleep may not be part of libc, also search it in other libraries
4580 AC_SEARCH_LIBS(nanosleep, rt)
4581
4582 AC_SEARCH_LIBS(dlopen, dl)
4583 old_ldflags="${LDFLAGS}"
4584 # GNU specific option, this confuses IBM ld, but do offer alternatives when possible
4585 if test $lt_cv_prog_gnu_ld = yes; then
4586         LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
4587 else
4588         case $host in
4589         *-*-aix*|*-*-os400*)
4590                 ;;
4591         *)
4592                 dnl Try to use export-dynamic anyways
4593                 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
4594                 ;;
4595         esac
4596 fi
4597 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
4598 if test $found_export_dynamic = no; then
4599         LDFLAGS="${old_ldflags}"
4600 fi
4601
4602 AC_CHECK_HEADERS(getopt.h sys/select.h sys/time.h sys/wait.h pwd.h iconv.h sys/types.h sys/resource.h)
4603 dnl giconv.c will check on HAVE_ICONV_H but we need this for link time
4604 AC_CHECK_LIB(iconv, iconv_open)
4605 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
4606 AC_SUBST(HAVE_ALLOCA_H)
4607
4608 # Get the exact type of size_t, not just its size.
4609 # This is so we can find an exact printf format among u, lu, llu, I64u.
4610 # To avoid warnings about slight mismatches.
4611 # C99 runtime "zu" dependency is being avoided here.
4612 #
4613 # We have to compile as C++ because C is too lenient
4614 # and lets the wrong thing compile, with warnings.
4615 #
4616 # Note: "zu" or ifdef <something> have the advantage
4617 # of producing installable "biarch" headers. i.e. one Mac header
4618 # for Mac/x86 and Mac/amd64.
4619
4620 AC_LANG_PUSH(C++)
4621
4622 # Check long before int because it is the overwhelming Unix answer,
4623 # across 32bit and 64bit systems -- fewer compiler invocations in autoconf.
4624 #
4625 # long ahead of int also tends to produce biarch-compatible headers except Windows.
4626 #
4627 AC_MSG_CHECKING(if size_t is unsigned long)
4628 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4629         #include <stddef.h>
4630         unsigned long *a = (size_t*)0;
4631 ])], [
4632         AC_MSG_RESULT(yes)
4633         AC_SUBST(GSIZE_FORMAT, '"%lu"')
4634 ], [
4635         AC_MSG_RESULT(no)
4636         AC_MSG_CHECKING(if size_t is unsigned int)
4637         AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4638                 #include <stddef.h>
4639                 unsigned *a = (size_t*)0;
4640         ])], [
4641                 AC_MSG_RESULT(yes)
4642                 AC_SUBST(GSIZE_FORMAT, '"%u"')
4643         ], [
4644 # At this point the majority of systems have their answer,
4645 # and we descend into non-standard or new-standard territory.
4646 #
4647 # Check __int64 first because I64 on some systems predates ll, enabling
4648 # new compiler/old runtime interop, and the types always have the same size.
4649                 AC_MSG_RESULT(no)
4650                 AC_MSG_CHECKING(if size_t is unsigned __int64)
4651                 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4652                         #include <stddef.h>
4653                         unsigned __int64 *a = (size_t*)0;
4654                 ])], [
4655                         AC_MSG_RESULT(yes)
4656                         AC_SUBST(GSIZE_FORMAT, '"%I64u"')
4657                 ], [
4658                         AC_MSG_RESULT(no)
4659                         AC_MSG_CHECKING(if size_t is unsigned long long)
4660                         AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4661                                 #include <stddef.h>
4662                                 unsigned long long *a = (size_t*)0;
4663                         ])], [
4664                                 AC_MSG_RESULT(yes)
4665                                 AC_SUBST(GSIZE_FORMAT, '"%llu"')
4666                         ], [
4667                                 AC_MSG_RESULT(no)
4668                                 AC_MSG_ERROR(Unable to determine size_t among unsigned long, int, __int64, long long)
4669                         ] )
4670                 ] )
4671         ] )
4672 ] )
4673
4674 AC_LANG_POP
4675
4676 # If size_t/ptrdiff_t is correct, use it. Otherwise C99 [u]intptr_t.
4677 # This provides for an exact match with functions that
4678 # take size_t like malloc and pthread_attr_getstacksize, avoiding warnings.
4679 # uintptr_t is not necessarily the same.
4680 #
4681 # ptrdiff_t is preferred over ssize_t as it is C89 vs. new Posix.
4682 # ssize_t looks nicer but ptrdiff_t is wrapped up as gssize anyway.
4683
4684 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_size_t; then
4685    GSIZE="size_t"
4686    GSSIZE="ptrdiff_t"
4687 else
4688    GSIZE="uintptr_t"
4689    GSSIZE="intptr_t"
4690 fi
4691
4692 AC_SUBST(GSIZE)
4693 AC_SUBST(GSSIZE)
4694 AC_SUBST(GSIZE_FORMAT)
4695
4696 #
4697 # END OF EGLIB CHECKS
4698 #
4699
4700 AC_ARG_WITH([libgdiplus],
4701         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
4702         [], [with_libgdiplus=installed])
4703
4704 # default install location
4705 libgdiplus_install_loc=libgdiplus${libsuffix}
4706 case "$host" in
4707     *-*-*linux*)
4708     libgdiplus_install_loc=libgdiplus${libsuffix}.0
4709     ;;
4710 esac
4711
4712 case $with_libgdiplus in
4713     no)
4714     libgdiplus_loc=
4715     ;;
4716
4717     installed)
4718     libgdiplus_loc=
4719     if test x$cross_compiling = xno; then
4720         if test x$host_darwin = xyes; then
4721             a=/Library/Frameworks/Mono.framework/Versions/Current/lib/$libgdiplus_install_loc
4722             if test -x $a; then
4723               libgdiplus_install_loc=$a
4724               libgdiplus_loc=$a
4725             fi
4726         fi
4727     fi
4728     ;;
4729
4730     yes|sibling)
4731     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
4732     ;;
4733
4734     /*) # absolute path, assume it is an install location
4735     libgdiplus_loc=$with_libgdiplus
4736     libgdiplus_install_loc=$with_libgdiplus
4737     ;;
4738
4739     *)
4740     libgdiplus_loc=`pwd`/$with_libgdiplus
4741     ;;
4742 esac
4743 AC_SUBST(libgdiplus_loc)
4744 AC_SUBST(libgdiplus_install_loc)
4745
4746 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
4747 if test "x$icall_symbol_map" = "xyes"; then
4748    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
4749 fi
4750
4751 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
4752 if test "x$icall_export" = "xyes"; then
4753    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
4754 fi
4755
4756 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
4757 if test "x$icall_tables" = "xno"; then
4758    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
4759 fi
4760
4761 AM_CONDITIONAL(DISABLE_ICALL_TABLES, test x$icall_tables = xno)
4762
4763 if test "x$with_tls" = "x__thread"; then
4764         AC_DEFINE(MONO_KEYWORD_THREAD, __thread, [Have __thread keyword])
4765         # Pass the information to libgc
4766         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
4767         AC_MSG_CHECKING(if the tls_model attribute is supported)
4768         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
4769                 ], [
4770                         AC_MSG_RESULT(yes)
4771                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
4772                 ], [
4773                         AC_MSG_RESULT(no)
4774         ])
4775 fi
4776
4777 if test ${TARGET} = ARM; then
4778         dnl ******************************************
4779         dnl *** Check to see what FPU is available ***
4780         dnl ******************************************
4781         AC_MSG_CHECKING(which FPU to use)
4782
4783         #
4784         # This is a bit tricky:
4785         #
4786         # if (__ARM_PCS_VFP) {
4787         #       /* mfloat-abi=hard == VFP with hard ABI */
4788         # } elif (!__SOFTFP__) {
4789         #       /* mfloat-abi=softfp == VFP with soft ABI */
4790         # } else {
4791         #       /* mfloat-abi=soft == no VFP */
4792         # }
4793         #
4794         # The exception is iOS (w/ GCC) where none of the above
4795         # are defined (but iOS always uses the 'softfp' ABI).
4796         #
4797         # No support for FPA.
4798         #
4799
4800         fpu=NONE
4801
4802         # iOS GCC always uses the 'softfp' ABI.
4803         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
4804                 fpu=VFP
4805         fi
4806
4807         # Are we using the 'hard' ABI?
4808         if test x$fpu = xNONE; then
4809                 AC_TRY_COMPILE([], [
4810                         #ifndef __ARM_PCS_VFP
4811                         #error "Float ABI is not 'hard'"
4812                         #endif
4813                 ], [
4814                         fpu=VFP_HARD
4815                 ], [
4816                         fpu=NONE
4817                 ])
4818         fi
4819
4820         # No 'hard' ABI. 'soft' or 'softfp'?
4821         if test x$fpu = xNONE; then
4822                 AC_TRY_COMPILE([], [
4823                         #ifdef __SOFTFP__
4824                         #error "Float ABI is not 'softfp'"
4825                         #endif
4826                 ], [
4827                         fpu=VFP
4828                 ], [
4829                         fpu=NONE
4830                 ])
4831         fi
4832
4833         if test x$arm_fpu != x; then
4834            fpu=$arm_fpu
4835         fi
4836
4837         AC_MSG_RESULT($fpu)
4838         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
4839         unset fpu
4840
4841         dnl *********************************************
4842         dnl *** Check which ARM version(s) we can use ***
4843         dnl *********************************************
4844         AC_MSG_CHECKING(which ARM version to use)
4845
4846         AC_TRY_COMPILE([], [
4847                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
4848                 #error Not on ARM v5.
4849                 #endif
4850         ], [
4851                 arm_v5=yes
4852
4853                 arm_ver=ARMv5
4854         ], [])
4855
4856         AC_TRY_COMPILE([], [
4857                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
4858                 #error Not on ARM v6.
4859                 #endif
4860         ], [
4861                 arm_v5=yes
4862                 arm_v6=yes
4863
4864                 arm_ver=ARMv6
4865         ], [])
4866
4867         AC_TRY_COMPILE([], [
4868                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
4869                 #error Not on ARM v7.
4870                 #endif
4871         ], [
4872                 arm_v5=yes
4873                 arm_v6=yes
4874                 arm_v7=yes
4875
4876                 arm_ver=ARMv7
4877         ], [])
4878
4879         AC_MSG_RESULT($arm_ver)
4880
4881         if test x$arm_v5 = xyes; then
4882                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
4883                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
4884         fi
4885
4886         if test x$arm_v6 = xyes; then
4887                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
4888                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
4889         fi
4890
4891         if test x$arm_v7 = xyes; then
4892                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4893                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4894         fi
4895 fi
4896
4897 if test ${TARGET} = unknown; then
4898         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4899         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4900 fi
4901
4902 if test "x$platform_android" = "xyes"; then
4903         case "x${TARGET}" in
4904         xARM)
4905                 case "x$arm_ver" in
4906                 xARMv5)
4907                         BTLS_SUPPORTED=yes
4908                         BTLS_PLATFORM=android-armv5
4909                         ;;
4910                 xARMv6)
4911                         BTLS_SUPPORTED=yes
4912                         BTLS_PLATFORM=android-armv6
4913                         ;;
4914                 xARMv7)
4915                         BTLS_SUPPORTED=yes
4916                         BTLS_PLATFORM=android-armv7
4917                         ;;
4918                 *)
4919                         BTLS_SUPPORTED=no
4920                         ;;
4921                 esac
4922                 ;;
4923         xARM64)
4924                 BTLS_SUPPORTED=yes
4925                 BTLS_PLATFORM=android-v8a
4926                 ;;
4927         xX86)
4928                 BTLS_SUPPORTED=yes
4929                 BTLS_PLATFORM=android-x86
4930                 ;;
4931         xAMD64)
4932                 BTLS_SUPPORTED=yes
4933                 BTLS_PLATFORM=android-x64
4934                 ;;
4935         *)
4936                 BTLS_SUPPORTED=no
4937                 ;;
4938         esac
4939 fi
4940
4941 if test ${ACCESS_UNALIGNED} = no; then
4942         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4943 fi
4944
4945 if test x$host_darwin = xyes; then
4946         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4947         AS_IF(
4948                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4949                 [AC_MSG_RESULT([no])],
4950                 [
4951                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4952                         AR_FLAGS="Scru"
4953                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4954                         AC_MSG_RESULT([yes])
4955                 ]
4956         )
4957 fi
4958
4959 case "x$libgc" in
4960         xincluded)
4961                 # Pass CPPFLAGS to libgc configure
4962                 # We should use a separate variable for this to avoid passing useless and
4963                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4964                 # This should be executed late so we pick up the final version of CPPFLAGS
4965                 # The problem with this approach, is that during a reconfigure, the main
4966                 # configure scripts gets invoked with these arguments, so we use separate
4967                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4968                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4969                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4970                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4971                 fi
4972                 # Don't pass -finstrument-for-thread-suspension in,
4973                 # if these are instrumented it will be very bad news
4974                 # (infinite recursion, undefined parking behavior, etc)
4975                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4976                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4977                 if test "x$support_boehm" = "xyes"; then
4978                         AC_CONFIG_SUBDIRS(libgc)
4979                 fi
4980                 ;;
4981 esac
4982
4983 MALLOC_MEMPOOLS=no
4984 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4985         if test x$with_malloc_mempools = xyes; then
4986                 MALLOC_MEMPOOLS=yes
4987                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4988         fi
4989 ])
4990
4991
4992 DISABLE_MCS_DOCS=default
4993 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4994         if test x$with_mcs_docs != xyes; then
4995                 DISABLE_MCS_DOCS=yes
4996         fi
4997 ])
4998 if test -n "$INSTALL_4_x_TRUE"; then :
4999         DISABLE_MCS_DOCS=yes
5000 fi
5001 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
5002    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
5003 fi
5004
5005 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
5006         if test x$with_lazy_gc_thread_creation != xno ; then
5007                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
5008         fi
5009 ], [with_lazy_gc_thread_creation=no])
5010
5011 dnl *****************************
5012 dnl *** Thread suspend policy ***
5013 dnl *****************************
5014
5015 dnl Set a default hybrid or cooperative suspend on some platforms
5016
5017 dnl Coop default is set by the bitcode preset.
5018
5019 dnl If coop isn't on by default, maybe hybrid should be?
5020 if test x$enable_cooperative_suspend_default != xyes; then
5021         case $HOST in
5022         X86 | AMD64)
5023                 dnl Some host/target confusion, there's no host_osx (and
5024                 dnl host_darwin would be true on iOS not just macOS).
5025                 if test x$target_osx = xyes; then
5026                         enable_hybrid_suspend_default=yes
5027                 elif test x$host_linux = xyes -o x$host_win32 = xyes; then
5028                         enable_hybrid_suspend_default=yes
5029                 fi
5030                 ;;
5031         esac
5032 fi
5033
5034 dnl Now check if there were flags overriding the defaults
5035
5036 AC_ARG_WITH(cooperative_gc,        [  --with-cooperative-gc=yes|no        Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [AC_MSG_WARN([--with-cooperative-gc is deprecated, use --enable-cooperative-suspend instead])], [with_cooperative_gc=default])
5037 AC_ARG_ENABLE(cooperative_suspend, [  --enable-cooperative-suspend      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [enable_cooperative_suspend=default])
5038
5039 if test x$enable_cooperative_suspend = xdefault -a x$with_cooperative_gc != xdefault; then
5040         enable_cooperative_suspend=$with_cooperative_gc
5041 fi
5042
5043 if test x$enable_cooperative_suspend = xdefault; then
5044         enable_cooperative_suspend=$enable_cooperative_suspend_default
5045 fi
5046
5047 if test x$enable_cooperative_suspend != xno; then
5048         AC_DEFINE(ENABLE_COOP_SUSPEND,1,[Enable cooperative stop-the-world garbage collection.])
5049 fi
5050
5051 AM_CONDITIONAL([ENABLE_COOP_SUSPEND], [test x$enable_cooperative_suspend != xno])
5052
5053 AC_ARG_ENABLE(hybrid_suspend, [ --enable-hybrid-suspend     Enable hybrid stop-the-world garbage collection (sgen only) - cooperative suspend for threads running managed and runtime code, and preemptive suspend for threads running native and P/Invoke code (defaults to no)], [], [enable_hybrid_suspend=default])
5054
5055 if test x$enable_hybrid_suspend = xdefault; then
5056    enable_hybrid_suspend=$enable_hybrid_suspend_default
5057 fi
5058
5059 if test x$enable_hybrid_suspend != xno -a x$enable_cooperative_suspend != xno ; then
5060         AC_MSG_ERROR([Hybrid suspend and Cooperative suspend cannot be both enabled.])
5061 fi
5062
5063 if test x$enable_hybrid_suspend != xno ; then
5064         AC_DEFINE(ENABLE_HYBRID_SUSPEND,1,[Enable hybrid suspend for GC stop-the-world])
5065 fi
5066
5067 AM_CONDITIONAL([ENABLE_HYBRID_SUSPEND], [test x$enable_hybrid_suspend != xno])
5068
5069 dnl End of thread suspend policy
5070
5071 dnl **********************
5072 dnl *** checked builds ***
5073 dnl **********************
5074
5075 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread, private_types],[
5076
5077         if test x$enable_checked_build != x ; then
5078                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
5079         fi
5080         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
5081                 eval "mono_checked_build_test_enable_$feature='yes'"
5082         done
5083
5084         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
5085                 eval "mono_checked_build_test_enable_gc='yes'"
5086                 eval "mono_checked_build_test_enable_metadata='yes'"
5087                 eval "mono_checked_build_test_enable_thread='yes'"
5088                 eval "mono_checked_build_test_enable_private_types='yes'"
5089         fi
5090
5091         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
5092                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
5093         fi
5094
5095         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
5096                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
5097         fi
5098
5099         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
5100                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
5101         fi
5102
5103         if test "x$mono_checked_build_test_enable_private_types" = "xyes"; then
5104                 AC_DEFINE(ENABLE_CHECKED_BUILD_PRIVATE_TYPES, 1, [Enable private types checked build])
5105         fi
5106 ], [])
5107
5108 dnl End of checked builds
5109
5110 AC_CHECK_HEADER([malloc.h],
5111                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
5112                         [Define to 1 if you have /usr/include/malloc.h.])],,)
5113
5114 if test x"$GCC" = xyes; then
5115         # Implicit function declarations are not 64 bit safe
5116         # Do this late, since this causes lots of configure tests to fail
5117         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
5118         # jay has a lot of implicit declarations
5119         JAY_CFLAGS="-Wno-implicit-function-declaration"
5120 fi
5121
5122 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
5123 # instead of libmono-static.a
5124 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
5125    LIBMONO_LA=libmini-static.la
5126 else
5127    if test x$buildsgen = xyes; then
5128       LIBMONO_LA=libmonosgen-$API_VER.la
5129    else
5130       LIBMONO_LA=libmonoboehm-$API_VER.la
5131    fi
5132 fi
5133 AC_SUBST(LIBMONO_LA)
5134
5135 dnl **************
5136 dnl ***  Btls  ***
5137 dnl **************
5138
5139 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
5140 AC_ARG_ENABLE(btls-lib, [  --disable-btls-lib             Disable building the BTLS native library], enable_btls_lib=$enableval, enable_btls_lib=$BTLS_SUPPORTED)
5141 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
5142
5143 if test "x$enable_btls" = "xno"; then
5144    enable_btls_lib=no
5145 fi
5146
5147 AM_CONDITIONAL(BTLS, test x$enable_btls_lib = xyes)
5148
5149 btls_android=no
5150 if test "x$enable_btls" = "xyes"; then
5151         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
5152         if test "x$CMAKE" = "xno"; then
5153                 AC_MSG_ERROR("cmake not found")
5154         fi
5155
5156         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
5157         AC_SUBST(BTLS_ROOT)
5158
5159         btls_arch=
5160         btls_cflags=
5161         BTLS_CMAKE_ARGS=
5162
5163         case "$BTLS_PLATFORM" in
5164         i386)
5165                 btls_arch=i386
5166                 btls_cflags="-m32"
5167                 case $host_os in
5168                         darwin*)
5169                                 btls_cflags="$btls_cflags -arch i386"
5170                 esac
5171                 ;;
5172         x86_64)
5173                 btls_arch=x86_64
5174                 ;;
5175         arm)
5176                 btls_arch=arm
5177                 btls_cflags="-DOPENSSL_NO_ASM=1"
5178                 ;;
5179         armsoft)
5180                 btls_arch=arm
5181                 btls_cflags="-DOPENSSL_NO_ASM=1"
5182                 ;;
5183         aarch64)
5184                 btls_arch=aarch64
5185                 btls_cflags="-march=armv8-a+crypto"
5186                 ;;
5187         s390x)
5188                 btls_arch=s390x
5189                 ;;
5190         powerpc)
5191                 btls_arch=powerpc
5192                 case $host_os in
5193                         aix*|os400*)
5194                                 btls_cflags="$btls_cflags -maix64 -mminimal-toc -pthread -D_ALL_SOURCE -D_THREAD_SAFE -D_REENTRANT"
5195                                 BTLS_CMAKE_ARGS="-DCMAKE_AR=/usr/bin/ar -DCMAKE_C_ARCHIVE_CREATE=\"<CMAKE_AR> -X64 cr <TARGET> <LINK_FLAGS> <OBJECTS>\""
5196                 esac
5197                 ;;
5198         android-armv5)
5199                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=14"
5200                 ;;
5201         android-armv6)
5202                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=14"
5203                 ;;
5204         android-armv7)
5205                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=14"
5206                 ;;
5207         android-v8a)
5208                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=21"
5209                 ;;
5210         android-x86)
5211                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=14"
5212                 ;;
5213         android-x64)
5214                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=21"
5215                 ;;
5216         *)
5217                 AC_MSG_ERROR(Invalid BTLS platform)
5218         esac
5219
5220         if test "x$platform_android" = "xyes"; then
5221                 btls_android=yes
5222                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
5223                 if test "x$with_btls_android_ndk" != "x"; then
5224                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
5225                 else
5226                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
5227                 fi
5228         fi
5229
5230         if test "x$btls_arch" != "x"; then
5231                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
5232         fi
5233
5234         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
5235         AC_SUBST(BTLS_ARCH)
5236         AC_SUBST(BTLS_CFLAGS)
5237         AC_SUBST(BTLS_PLATFORM)
5238         AC_SUBST(BTLS_CMAKE_ARGS)
5239
5240         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
5241 else
5242         enable_btls=no
5243 fi
5244
5245 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
5246
5247 if test x$DISABLE_MCS_DOCS = xyes; then
5248    docs_dir=""
5249 else
5250    docs_dir=docs
5251 fi
5252 AC_SUBST(docs_dir)
5253
5254 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
5255 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
5256 AM_CONDITIONAL(BUILD_SUPPORT, [test x$enable_support_build != xno])
5257
5258 libmono_ldflags="$libmono_ldflags $LIBS"
5259
5260 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
5261 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
5262 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
5263 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
5264 AM_CONDITIONAL(X86, test x$TARGET = xX86)
5265 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
5266 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
5267 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
5268 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
5269 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
5270 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
5271 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
5272 AM_CONDITIONAL(WASM, test x$TARGET = xWASM)
5273 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
5274 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
5275 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
5276 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
5277 AM_CONDITIONAL(HOST_WASM, test x$HOST = xWASM)
5278
5279 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
5280
5281 AC_SUBST(LIBC)
5282 AC_SUBST(INTL)
5283 AC_SUBST(SQLITE)
5284 AC_SUBST(SQLITE3)
5285 AC_SUBST(X11)
5286 AC_SUBST(GDKX11)
5287 AC_SUBST(GTKX11)
5288 AC_SUBST(XINERAMA)
5289 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
5290 AC_SUBST(arch_target)
5291 AC_SUBST(CFLAGS)
5292 AC_SUBST(CPPFLAGS)
5293 AC_SUBST(LDFLAGS)
5294
5295 #This must always be defined when building the runtime
5296 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
5297
5298 mono_build_root=`pwd`
5299 AC_SUBST(mono_build_root)
5300
5301 mono_runtime=mono/mini/mono
5302 AC_SUBST(mono_runtime)
5303
5304 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.8.2/tools/csc.exe
5305
5306 if test $csc_compiler = mcs; then
5307   CSC=$mcs_topdir/class/lib/build/mcs.exe
5308 else
5309   CSC=$CSC_LOCATION
5310 fi
5311
5312 AM_CONDITIONAL([CSC_IS_ROSLYN], [test x$csc_compiler != xmcs])
5313
5314 mono_cfg_root=$mono_build_root/runtime
5315 if test x$host_win32 = xyes; then
5316   if test "x$cross_compiling" = "xno"; then
5317     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
5318     CSC=`cygpath -m -a $CSC`
5319     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
5320   else
5321     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
5322   fi
5323 else
5324   mono_cfg_dir=$mono_cfg_root/etc
5325 fi
5326 AC_SUBST(mono_cfg_dir)
5327
5328 AC_SUBST(CSC)
5329
5330 AC_CONFIG_FILES([po/mcs/Makefile.in])
5331
5332 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
5333 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
5334
5335 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
5336 [   depth=../../../..
5337     case $srcdir in
5338     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5339     .) reldir=$depth ;;
5340     *) reldir=$depth/$srcdir ;;
5341     esac
5342     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
5343     cd runtime/etc/mono/1.0
5344     rm -f machine.config
5345     $LN_S $reldir/data/net_1_1/machine.config machine.config
5346     cd $depth
5347 ],[LN_S='$LN_S'])
5348
5349 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
5350 [   depth=../../../..
5351     case $srcdir in
5352     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5353     .) reldir=$depth ;;
5354     *) reldir=$depth/$srcdir ;;
5355     esac
5356     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
5357     cd runtime/etc/mono/2.0
5358     rm -f machine.config
5359     $LN_S $reldir/data/net_2_0/machine.config machine.config
5360     cd $depth
5361 ],[LN_S='$LN_S'])
5362
5363 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
5364 [   depth=../../../..
5365     case $srcdir in
5366     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5367     .) reldir=$depth ;;
5368     *) reldir=$depth/$srcdir ;;
5369     esac
5370     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
5371     cd runtime/etc/mono/2.0
5372     rm -f web.config
5373     $LN_S $reldir/data/net_2_0/web.config web.config
5374     cd $depth
5375 ],[LN_S='$LN_S'])
5376
5377 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
5378 [   depth=../../..
5379     case $srcdir in
5380     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5381     .) reldir=$depth ;;
5382     *) reldir=$depth/$srcdir ;;
5383     esac
5384     $ac_aux_dir/install-sh -d runtime/etc/mono/
5385     cd runtime/etc/mono/
5386     rm -f browscap.ini
5387     $LN_S $reldir/data/browscap.ini browscap.ini
5388     cd $depth
5389 ],[LN_S='$LN_S'])
5390
5391 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
5392 [   depth=../../../../..
5393     case $srcdir in
5394     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5395     .) reldir=$depth ;;
5396     *) reldir=$depth/$srcdir ;;
5397     esac
5398     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
5399     cd runtime/etc/mono/2.0/Browsers
5400     rm -f Compat.browser
5401     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
5402     cd $depth
5403 ],[LN_S='$LN_S'])
5404
5405 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
5406 [   depth=../../../../..
5407     case $srcdir in
5408     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5409     .) reldir=$depth ;;
5410     *) reldir=$depth/$srcdir ;;
5411     esac
5412     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
5413     cd runtime/etc/mono/4.0/Browsers
5414     rm -f Compat.browser
5415     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
5416     cd $depth
5417 ],[LN_S='$LN_S'])
5418
5419 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
5420 [   depth=../../../../..
5421     case $srcdir in
5422     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5423     .) reldir=$depth ;;
5424     *) reldir=$depth/$srcdir ;;
5425     esac
5426     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
5427     cd runtime/etc/mono/4.5/Browsers
5428     rm -f Compat.browser
5429     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
5430     cd $depth
5431 ],[LN_S='$LN_S'])
5432
5433 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
5434 [   depth=../../../..
5435     case $srcdir in
5436     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5437     .) reldir=$depth ;;
5438     *) reldir=$depth/$srcdir ;;
5439     esac
5440     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
5441     cd runtime/etc/mono/4.0
5442     rm -f machine.config
5443     $LN_S $reldir/data/net_4_0/machine.config machine.config
5444     cd $depth
5445 ],[LN_S='$LN_S'])
5446
5447 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
5448 [   depth=../../../..
5449     case $srcdir in
5450     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5451     .) reldir=$depth ;;
5452     *) reldir=$depth/$srcdir ;;
5453     esac
5454     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
5455     cd runtime/etc/mono/4.0
5456     rm -f web.config
5457     $LN_S $reldir/data/net_4_0/web.config web.config
5458     cd $depth
5459 ],[LN_S='$LN_S'])
5460
5461 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
5462 [   depth=../../../..
5463     case $srcdir in
5464     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5465     .) reldir=$depth ;;
5466     *) reldir=$depth/$srcdir ;;
5467     esac
5468     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
5469     cd runtime/etc/mono/4.5
5470     rm -f machine.config
5471     $LN_S $reldir/data/net_4_5/machine.config machine.config
5472     cd $depth
5473 ],[LN_S='$LN_S'])
5474
5475 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
5476 [   depth=../../../..
5477     case $srcdir in
5478     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
5479     .) reldir=$depth ;;
5480     *) reldir=$depth/$srcdir ;;
5481     esac
5482     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
5483     cd runtime/etc/mono/4.5
5484     rm -f web.config
5485     $LN_S $reldir/data/net_4_5/web.config web.config
5486     cd $depth
5487 ],[LN_S='$LN_S'])
5488
5489 AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/echo "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
5490 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
5491
5492 # Anything involving -Werror must be done late because autoconf depends on compiling with warnings to be success.
5493 if test x"$GCC" = xyes; then
5494
5495         # incompatible-pointer-types requires gcc circa 5.x
5496
5497         ORIG_CFLAGS=$CFLAGS
5498         CFLAGS="$CFLAGS -Wincompatible-pointer-types -Werror"
5499         AC_MSG_CHECKING(for -Wincompatible-pointer-types option to gcc)
5500         AC_TRY_COMPILE([],[
5501         ], [
5502                 AC_MSG_RESULT(yes)
5503                 CFLAGS="$ORIG_CFLAGS -Werror=incompatible-pointer-types"
5504         ], [
5505                 AC_MSG_RESULT(no)
5506                 CFLAGS=$ORIG_CFLAGS
5507         ])
5508 fi
5509
5510 # Update all submodules recursively to ensure everything is checked out
5511 (cd $srcdir && scripts/update_submodules.sh)
5512
5513 AC_OUTPUT([
5514 Makefile
5515 mono-uninstalled.pc
5516 acceptance-tests/Makefile
5517 llvm/Makefile
5518 scripts/mono-find-provides
5519 scripts/mono-find-requires
5520 mk/Makefile
5521 mono/Makefile
5522 mono/btls/Makefile
5523 mono/utils/Makefile
5524 mono/utils/jemalloc/Makefile
5525 mono/metadata/Makefile
5526 mono/dis/Makefile
5527 mono/cil/Makefile
5528 mono/arch/Makefile
5529 mono/arch/x86/Makefile
5530 mono/arch/amd64/Makefile
5531 mono/arch/ppc/Makefile
5532 mono/arch/sparc/Makefile
5533 mono/arch/s390x/Makefile
5534 mono/arch/arm/Makefile
5535 mono/arch/arm64/Makefile
5536 mono/arch/mips/Makefile
5537 mono/sgen/Makefile
5538 mono/tests/Makefile
5539 mono/tests/assembly-load-reference/Makefile
5540 mono/tests/tests-config
5541 mono/tests/gc-descriptors/Makefile
5542 mono/tests/testing_gac/Makefile
5543 mono/unit-tests/Makefile
5544 mono/benchmark/Makefile
5545 mono/mini/Makefile
5546 mono/profiler/Makefile
5547 mono/eglib/Makefile
5548 mono/eglib/eglib-config.h
5549 m4/Makefile
5550 ikvm-native/Makefile
5551 scripts/Makefile
5552 man/Makefile
5553 docs/Makefile
5554 data/Makefile
5555 data/net_2_0/Makefile
5556 data/net_4_0/Makefile
5557 data/net_4_5/Makefile
5558 data/net_2_0/Browsers/Makefile
5559 data/net_4_0/Browsers/Makefile
5560 data/net_4_5/Browsers/Makefile
5561 data/mint.pc
5562 data/mono-2.pc
5563 data/monosgen-2.pc
5564 data/mono.pc
5565 data/mono-cairo.pc
5566 data/mono-nunit.pc
5567 data/mono-options.pc
5568 data/mono-lineeditor.pc
5569 data/monodoc.pc
5570 data/dotnet.pc
5571 data/dotnet35.pc
5572 data/wcf.pc
5573 data/cecil.pc
5574 data/system.web.extensions_1.0.pc
5575 data/system.web.extensions.design_1.0.pc
5576 data/system.web.mvc.pc
5577 data/system.web.mvc2.pc
5578 data/system.web.mvc3.pc
5579 data/aspnetwebstack.pc
5580 data/reactive.pc
5581 samples/Makefile
5582 support/Makefile
5583 data/config
5584 tools/Makefile
5585 tools/locale-builder/Makefile
5586 tools/sgen/Makefile
5587 tools/monograph/Makefile
5588 tools/pedump/Makefile
5589 runtime/Makefile
5590 msvc/Makefile
5591 po/Makefile
5592 ])
5593
5594 if test x$host_win32 = xyes; then
5595    # Get rid of 'cyg' prefixes in library names
5596    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
5597    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
5598    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
5599    # executable doesn't work...
5600    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
5601 fi
5602
5603 if test x$host_darwin = xyes; then
5604    # This doesn't seem to be required and it slows down parallel builds
5605    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
5606 fi
5607
5608 (
5609   case $prefix in
5610   NONE) prefix=$ac_default_prefix ;;
5611   esac
5612   case $exec_prefix in
5613   NONE) exec_prefix='${prefix}' ;;
5614   esac
5615
5616   #
5617   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
5618   # any existing config.make.  This allows people to share the same source tree
5619   # with different build directories, one native and one cross
5620   #
5621   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
5622
5623     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
5624
5625     echo "prefix=$prefix" > $mcs_topdir/build/config.make
5626     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
5627     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
5628     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
5629     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
5630     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
5631     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
5632     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
5633     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
5634
5635     case $INSTALL in
5636     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
5637     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
5638     esac
5639
5640     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
5641
5642     export VERSION
5643     [myver=$($AWK 'BEGIN {
5644       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
5645       if(length(vsplit [1]) > 4) {
5646         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
5647       }
5648       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
5649     }')]
5650
5651     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
5652     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
5653
5654     if test x$host_darwin = xyes; then
5655       echo "BUILD_PLATFORM = macos" >> $mcs_topdir/build/config.make
5656       echo "HOST_PLATFORM ?= macos" >> $mcs_topdir/build/config.make
5657       echo "XTEST_PLATFORM ?= osx" >> $mcs_topdir/build/config.make
5658     elif test x$host_win32 = xyes; then
5659       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
5660       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
5661       echo "XTEST_PLATFORM ?= windows" >> $mcs_topdir/build/config.make
5662     elif test x$host_linux = xyes; then
5663       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
5664       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
5665       echo "XTEST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
5666     else
5667       echo "BUILD_PLATFORM = unix" >> $mcs_topdir/build/config.make
5668       echo "HOST_PLATFORM ?= unix" >> $mcs_topdir/build/config.make
5669       echo "XTEST_PLATFORM ?= unix" >> $mcs_topdir/build/config.make
5670     fi
5671
5672     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
5673       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
5674     fi
5675
5676         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
5677            enable_system_aot=yes
5678         fi
5679
5680     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
5681       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
5682     fi
5683
5684     if test x$DISABLE_MCS_DOCS = xyes; then
5685       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
5686     fi
5687
5688     if test x$has_extension_module != xno; then
5689         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
5690     fi
5691
5692     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
5693
5694     if test "x$test_bcl_opt" = "xyes"; then
5695       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
5696     fi
5697
5698     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
5699
5700     if test $csc_compiler = mcs; then
5701       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
5702     fi
5703
5704     if test "x$AOT_BUILD_FLAGS" != "x" ; then
5705       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
5706       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
5707       echo "AOT_BUILD_ATTRS=$AOT_BUILD_ATTRS" >> $srcdir/$mcsdir/build/config.make
5708     fi
5709
5710     if test "x$AOT_MODE" != "x" ; then
5711       echo "AOT_MODE=$AOT_MODE" >> $srcdir/$mcsdir/build/config.make
5712     fi
5713
5714     if test "x$enable_btls" = "xyes"; then
5715       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
5716     fi
5717
5718   fi
5719
5720 )
5721
5722 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
5723
5724 btls_platform_string=
5725 if test x$enable_btls = xyes; then
5726         if test x$btls_android = xyes; then
5727                 btls_platform_string=" (android:$BTLS_PLATFORM)"
5728         else
5729                 btls_platform_string=" ($BTLS_PLATFORM)"
5730         fi
5731 fi
5732
5733 thread_suspend_msg=
5734 if test x$buildsgen = xyes; then
5735         if test x$enable_cooperative_suspend != xno; then
5736                 thread_suspend_msg="Suspend:       Cooperative"
5737         elif test x$enable_hybrid_suspend != xno; then
5738                 thread_suspend_msg="Suspend:       Hybrid"
5739         else
5740                 thread_suspend_msg="Suspend:       Preemptive"
5741         fi
5742 fi
5743
5744 echo "
5745         mcs source:    $mcsdir
5746         C# Compiler:   $csc_compiler
5747
5748    Engine:
5749         Host:          $host
5750         Target:        $target
5751         GC:            $gc_msg
5752         $thread_suspend_msg
5753         TLS:           $with_tls
5754         SIGALTSTACK:   $with_sigaltstack
5755         Engine:        $jit_status
5756         BigArrays:     $enable_big_arrays
5757         DTrace:        $enable_dtrace
5758         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm, built in-tree: $internal_llvm, assertions: $enable_llvm_asserts)
5759         Spectre:       $spectre_mitigation_status
5760
5761    Libraries:
5762         .NET 4.x:        $with_profile4_x
5763         Xamarin.Android: $with_monodroid
5764         Xamarin.iOS:     $with_monotouch
5765         Xamarin.WatchOS: $with_monotouch_watch
5766         Xamarin.TVOS:    $with_monotouch_tv
5767         Xamarin.Mac:     $with_xammac
5768         Windows AOT:     $with_winaot
5769         Orbis:           $with_orbis
5770         Unreal:          $with_unreal
5771         WebAssembly:     $with_wasm
5772         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
5773         JNI support:     $jdk_headers_found
5774         libgdiplus:      $libgdiplus_msg
5775         zlib:            $zlib_msg
5776         BTLS:            $enable_btls$btls_platform_string
5777         jemalloc:        $with_jemalloc (always use: $with_jemalloc_always)
5778         crash reporting: $crash_reporting
5779         $disabled
5780 "
5781 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
5782    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
5783 fi