configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3
   4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
   5 # The extra brackets are to foil regex-based scans.
   6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
   7
   8 AM_CONFIG_HEADER(config.h)
   9 AM_INIT_AUTOMAKE(mono,1.2)
  10 AM_MAINTAINER_MODE
  11
  12 API_VER=1.0
  13 AC_SUBST(API_VER)
  14
  15 AC_PROG_LN_S
  16
  17 # In case of cygwin, override LN_S, irrespective of what it determines.
  18 # The build uses cygwin, but the actual runtime doesn't.
  19 case $host_os in
  20 *cygwin* ) LN_S='cp -p';;
  21 esac
  22
  23
  24 dnl
  25 dnl libgc checks
  26 dnl
  27
  28 gc_headers=no
  29 gc=included
  30 use_included_gc=no
  31 libgc_configure_args=
  32
  33 if test -d $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 #
  40 # These are the flags that need to be stored in the mono.pc file for
  41 # compiling code that will embed Mono
  42 #
  43 libmono_cflags=""
  44 libmono_ldflags=""
  45 AC_SUBST(libmono_cflags)
  46 AC_SUBST(libmono_ldflags)
  47
  48 # Variable to have relocatable .pc files (lib, or lib64)
  49 reloc_libdir=`basename ${libdir}`
  50 AC_SUBST(reloc_libdir)
  51
  52
  53 dnl if linker handles the version script
  54 no_version_script=no
  55
  56 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  57 need_link_unlink=no
  58
  59 # Thread configuration inspired by sleepycat's db
  60 AC_MSG_CHECKING([host platform characteristics])
  61 libgc_threads=no
  62 case "$host" in
  63         *-*-mingw*|*-*-cygwin*)
  64                 platform_win32=yes
  65                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  66                 if test "x$cross_compiling" = "xno"; then
  67                         CC="gcc -mno-cygwin -g"
  68                         # So libgc configure gets -mno-cygwin
  69                         export CC
  70                 fi
  71                 HOST_CC="gcc"
  72                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
  73                 libmono_cflags="-mno-cygwin"
  74                 libmono_ldflags="-mno-cygwin"
  75                 libdl=
  76                 libgc_threads=win32
  77                 gc_default=included
  78                 with_sigaltstack=no
  79                 LN_S=cp
  80                 # This forces libgc to use the DllMain based thread registration code on win32
  81                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  82                 ;;
  83         *-*-*netbsd*)
  84                 platform_win32=no
  85                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  86                 libmono_cflags="-D_REENTRANT"
  87                 LDFLAGS="$LDFLAGS -pthread"
  88                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  89                 libmono_ldflags="-pthread"
  90                 need_link_unlink=yes
  91                 libdl=
  92                 libgc_threads=no
  93                 ;;
  94 # these flags will work for all versions of -STABLE
  95 #
  96         *-*-*freebsd4*)
  97                 platform_win32=no
  98                 if test "x$PTHREAD_CFLAGS" = "x"; then
  99                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 100                         libmono_cflags="-D_THREAD_SAFE"
 101                 else
 102                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 103                         libmono_cflags="$PTHREAD_CFLAGS"
 104                 fi
 105                 if test "x$PTHREAD_LIBS" = "x"; then
 106                         LDFLAGS="$LDFLAGS -pthread"
 107                         libmono_ldflags="-pthread"
 108                 else
 109                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 110                         libmono_ldflags="$PTHREAD_LIBS"
 111                 fi
 112                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 113                 need_link_unlink=yes
 114                 AC_DEFINE(PTHREAD_POINTER_ID)
 115                 libdl=
 116                 libgc_threads=pthreads
 117 # TLS isn't implemented at all on 4-STABLE
 118                 with_tls=pthread
 119                 ;;
 120         *-*-*freebsd5*)
 121                 platform_win32=no
 122                 if test "x$PTHREAD_CFLAGS" = "x"; then
 123                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 124                         libmono_cflags=
 125                 else
 126                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 127                         libmono_cflags="$PTHREAD_CFLAGS"
 128                 fi
 129                 if test "x$PTHREAD_LIBS" = "x"; then
 130                         LDFLAGS="$LDFLAGS -pthread"
 131                         libmono_ldflags="-pthread"
 132                 else
 133                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 134                         libmono_ldflags="$PTHREAD_LIBS"
 135                 fi
 136                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 137                 need_link_unlink=yes
 138                 AC_DEFINE(PTHREAD_POINTER_ID)
 139                 libdl=
 140                 with_sigaltstack=yes
 141                 libgc_threads=pthreads
 142 # TLS is only partially implemented on 5-STABLE (compiler support
 143 # but NOT library support)
 144 #
 145                 with_tls=pthread
 146                 ;;
 147         *-*-*freebsd6*)
 148                 platform_win32=no
 149                 if test "x$PTHREAD_CFLAGS" = "x"; then
 150                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 151                         libmono_cflags=
 152                 else
 153                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 154                         libmono_cflags="$PTHREAD_CFLAGS"
 155                 fi
 156                 if test "x$PTHREAD_LIBS" = "x"; then
 157                         LDFLAGS="$LDFLAGS -pthread"
 158                         libmono_ldflags="-pthread"
 159                 else
 160                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 161                         libmono_ldflags="$PTHREAD_LIBS"
 162                 fi
 163                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 164                 need_link_unlink=yes
 165                 AC_DEFINE(PTHREAD_POINTER_ID)
 166                 libdl=
 167                 libgc_threads=pthreads
 168                 with_sigaltstack=yes
 169 # TLS is only partially implemented on -CURRENT (compiler support
 170 # but NOT library support)
 171 #
 172                 with_tls=pthread
 173                 ;;
 174         *-*-*openbsd*)
 175                 platform_win32=no
 176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 177                 libmono_cflags="-D_THREAD_SAFE"
 178                 LDFLAGS="$LDFLAGS -pthread"
 179                 libmono_ldflags="-pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 ;;
 185         *-*-linux*)
 186                 platform_win32=no
 187                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 188                 libmono_cflags="-D_REENTRANT"
 189                 libmono_ldflags="-lpthread"
 190                 libdl="-ldl"
 191                 libgc_threads=pthreads
 192                 ;;
 193         *-*-hpux*)
 194         platform_win32=no
 195                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 196                 CFLAGS="$CFLAGS +ESdbgasm"
 197                 LDFLAGS="$LDFLAGS -z"
 198                 libmono_cflags="-D_REENTRANT"
 199                 libmono_ldflags="-lpthread"
 200                 libgc_threads=pthreads
 201                 need_link_unlink=yes
 202                 ;;
 203         *-*-solaris*)
 204                 platform_win32=no
 205                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 206                 need_link_unlink=yes
 207                 libmono_cflags="-D_REENTRANT"
 208                 libgc_threads=pthreads
 209                 # This doesn't seem to work on solaris/x86, but the configure test runs
 210                 with_tls=pthread
 211                 ;;
 212         *-*-darwin*)
 213                 platform_win32=no
 214                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 215                 libmono_cflags="-D_THREAD_SAFE"
 216                 LDFLAGS="$LDFLAGS -pthread"
 217                 libmono_ldflags="-pthread"
 218                 need_link_unlink=yes
 219                 AC_DEFINE(PTHREAD_POINTER_ID)
 220                 AC_DEFINE(USE_MACH_SEMA)
 221                 no_version_script=yes
 222                 libdl=
 223                 libgc_threads=pthreads
 224                 ;;
 225         *)
 226                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 227                 platform_win32=no
 228                 libdl="-ldl"
 229                 ;;
 230 esac
 231 AC_MSG_RESULT(ok)
 232
 233 if test x$need_link_unlink = xyes; then
 234    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 235 fi
 236
 237 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 238
 239 AC_CHECK_TOOL(CC, gcc, gcc)
 240 AC_PROG_CC
 241 AM_PROG_CC_STDC
 242 AC_PROG_INSTALL
 243 AC_PROG_AWK
 244 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 245 : ${CCAS='$(CC)'}
 246 # Set ASFLAGS if not already set.
 247 : ${CCASFLAGS='$(CFLAGS)'}
 248 AC_SUBST(CCAS)
 249 AC_SUBST(CCASFLAGS)
 250
 251 AC_CHECK_PROG(BISON, bison,yes,no)
 252 if test "x$BISON" = "xno";
 253 then
 254         AC_MSG_ERROR([You need to install bison])
 255 fi
 256
 257 dnl may require a specific autoconf version
 258 dnl AC_PROG_CC_FOR_BUILD
 259 dnl CC_FOR_BUILD not automatically detected
 260 CC_FOR_BUILD=$CC
 261 CFLAGS_FOR_BUILD=$CFLAGS
 262 BUILD_EXEEXT=
 263 if test "x$cross_compiling" = "xyes"; then
 264         CC_FOR_BUILD=cc
 265         CFLAGS_FOR_BUILD=
 266         BUILD_EXEEXT=""
 267 fi
 268 AC_SUBST(CC_FOR_BUILD)
 269 AC_SUBST(CFLAGS_FOR_BUILD)
 270 AC_SUBST(HOST_CC)
 271 AC_SUBST(BUILD_EXEEXT)
 272
 273 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 274
 275 # Set STDC_HEADERS
 276 AC_HEADER_STDC
 277 AC_LIBTOOL_WIN32_DLL
 278 # This causes monodis to not link correctly
 279 #AC_DISABLE_FAST_INSTALL
 280 AM_PROG_LIBTOOL
 281
 282 # Test whenever ld supports -version-script
 283 AC_PROG_LD
 284 AC_PROG_LD_GNU
 285 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 286    no_version_script=yes
 287 fi
 288
 289 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 290
 291 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 292
 293 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 294
 295 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 296
 297 # for mono/metadata/debug-symfile.c
 298 AC_CHECK_HEADERS(elf.h)
 299
 300 # for support
 301 AC_CHECK_HEADERS(poll.h)
 302 AC_CHECK_HEADERS(sys/poll.h)
 303 AC_CHECK_HEADERS(sys/wait.h)
 304 AC_CHECK_HEADERS(grp.h)
 305 AC_CHECK_HEADERS(syslog.h)
 306
 307 # for mono/dis
 308 AC_CHECK_HEADERS(wchar.h)
 309 case "$host" in
 310         *-*-*freebsd6*)
 311                 AC_CHECK_HEADERS(ieeefp.h)
 312         ;;
 313         *-*-*freebsd*)
 314                 /* Only freebsd6 has a working ieeefp.h */
 315         ;;
 316         *)
 317                 AC_CHECK_HEADERS(ieeefp.h)
 318         ;;
 319 esac
 320 AC_MSG_CHECKING(for isinf)
 321 AC_TRY_LINK([#include <math.h>], [
 322         int f = isinf (1);
 323 ], [
 324         AC_MSG_RESULT(yes)
 325         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 326 ], [
 327         # We'll have to use signals
 328         AC_MSG_RESULT(no)
 329 ])
 330
 331
 332 # not 64 bit clean in cross-compile
 333 AC_CHECK_SIZEOF(void *, 4)
 334
 335 WARN=''
 336 if test x"$GCC" = xyes; then
 337         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 338                 # The runtime code does not respect ANSI C strict aliasing rules
 339                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 340
 341                 ORIG_CFLAGS=$CFLAGS
 342                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 343                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 344                 AC_TRY_COMPILE([], [
 345                                                    void main () { }
 346                 ], [
 347                    AC_MSG_RESULT(yes)
 348                 ], [
 349                    AC_MSG_RESULT(no)
 350                    CFLAGS=$ORIG_CFLAGS
 351                 ])
 352 else
 353         # The Sun Forte compiler complains about inline functions that access static variables
 354         # so disable all inlining.
 355         case "$host" in
 356         *-*-solaris*)
 357                 CFLAGS="$CFLAGS -Dinline="
 358                 ;;
 359         esac
 360 fi
 361 CFLAGS="$CFLAGS -g $WARN"
 362
 363 # Where's the 'mcs' source tree?
 364 if test -d $srcdir/mcs; then
 365   mcsdir=mcs
 366 else
 367   mcsdir=../mcs
 368 fi
 369
 370 mcs_topdir='$(top_srcdir)/'$mcsdir
 371 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 372
 373 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 374 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 375
 376 AC_SUBST([mcs_topdir])
 377 AC_SUBST([mcs_topdir_from_srcdir])
 378
 379 AC_ARG_WITH([libgdiplus],
 380         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 381         [], [with_libgdiplus=installed])
 382
 383 case $with_libgdiplus in
 384 no|installed) libgdiplus_loc= ;;
 385 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 386 /*) libgdiplus_loc=$with_libgdiplus ;;
 387 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 388 esac
 389 AC_SUBST([libgdiplus_loc])
 390
 391 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 392 if test "x$PKG_CONFIG" = "xno"; then
 393         AC_MSG_ERROR([You need to install pkg-config])
 394 fi
 395
 396 pkg_config_path=
 397 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 398         if test x$with_crosspkgdir = "x"; then
 399                 if test -s $PKG_CONFIG_PATH; then
 400                         pkg_config_path=$PKG_CONFIG_PATH
 401                 fi
 402         else
 403                 pkg_config_path=$with_crosspkgdir
 404                 PKG_CONFIG_PATH=$pkg_config_path
 405                 export PKG_CONFIG_PATH
 406         fi
 407 )
 408
 409 AC_ARG_WITH([glib],
 410         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 411         [], [with_glib=system])
 412
 413 case $with_glib in
 414 embedded)
 415   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 416   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 417   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 418   BUILD_GLIB_LIBS="$GLIB_LIBS"
 419   AC_CONFIG_SUBDIRS(eglib)
 420   ;;
 421 system)
 422   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 423   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 424
 425   ## Versions of dependencies
 426   GLIB_REQUIRED_VERSION=1.3.11
 427
 428   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 429
 430   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 431   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 432   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 433   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 434   ;;
 435 *)
 436   AC_MSG_ERROR([Invalid argument to --with-glib.])
 437 esac
 438 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 439
 440 AC_SUBST(GLIB_CFLAGS)
 441 AC_SUBST(GLIB_LIBS)
 442 AC_SUBST(GMODULE_CFLAGS)
 443 AC_SUBST(GMODULE_LIBS)
 444 AC_SUBST(BUILD_GLIB_CFLAGS)
 445 AC_SUBST(BUILD_GLIB_LIBS)
 446
 447 if test x$cross_compiling$platform_win32 = xnoyes; then
 448    AC_MSG_CHECKING(for cygwin glib2-dev package)
 449    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 450       AC_MSG_RESULT(found)
 451           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 452    else
 453       AC_MSG_RESULT(not found, ok)
 454    fi
 455
 456    AC_MSG_CHECKING(for broken gwin32.h)
 457    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 458    if test -f $glib_include/glib/gwin32.h; then
 459           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 460                  AC_MSG_RESULT(failed)
 461                  hashmark='#'
 462                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 463           fi
 464    fi
 465    AC_MSG_RESULT(ok)
 466 fi
 467
 468 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 469
 470 # Enable support for fast thread-local storage
 471 # Some systems have broken support, so we allow to disable it.
 472 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 473
 474 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 475 # This does not work on some platforms (bug #55253)
 476 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 477
 478 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 479
 480 if test "x$enable_static" = "xno"; then
 481    with_static_mono=no
 482 fi
 483
 484 if test "x$platform_win32" = "xyes"; then
 485    # Boehm GC requires the runtime to be in its own dll
 486    with_static_mono=no
 487 fi
 488
 489 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 490 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 491
 492 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 493 if test "x$with_xen_opt" = "xyes"; then
 494         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 495         ORIG_CFLAGS=$CFLAGS
 496         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 497         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 498         AC_TRY_COMPILE([], [
 499                                            void main () { }
 500         ], [
 501            AC_MSG_RESULT(yes)
 502         ], [
 503            AC_MSG_RESULT(no)
 504            CFLAGS=$ORIG_CFLAGS
 505         ])
 506 fi
 507
 508 DISABLED_FEATURES=none
 509
 510 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 511   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 512   reflection_emit, large_code, logging, com, ssa, generics.],
 513 [
 514         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 515                 eval "mono_feature_disable_$feature='yes'"
 516                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 517         done
 518         DISABLED_FEATURES=$enable_minimal
 519         disabled="Disabled:    $enable_minimal"
 520 ],[])
 521
 522 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 523
 524 if test "x$mono_feature_disable_aot" = "xyes"; then
 525         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 526 fi
 527
 528 if test "x$mono_feature_disable_profiler" = "xyes"; then
 529         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 530 fi
 531
 532 if test "x$mono_feature_disable_decimal" = "xyes"; then
 533         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 534 fi
 535
 536 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 537         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 538 fi
 539
 540 if test "x$mono_feature_disable_debug" = "xyes"; then
 541         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 542 fi
 543
 544 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 545         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 546 fi
 547
 548 if test "x$mono_feature_disable_large_code" = "xyes"; then
 549         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 550 fi
 551
 552 if test "x$mono_feature_disable_logging" = "xyes"; then
 553         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 554 fi
 555
 556 if test "x$mono_feature_disable_com" = "xyes"; then
 557         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 558 fi
 559
 560 if test "x$mono_feature_disable_ssa" = "xyes"; then
 561         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 562 fi
 563
 564 if test "x$mono_feature_disable_generics" = "xyes"; then
 565         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 566 fi
 567
 568 AC_MSG_CHECKING(for visibility __attribute__)
 569 AC_TRY_COMPILE([], [
 570    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 571    void main () { doit (); }
 572 ], [
 573    have_visibility_hidden=yes
 574    AC_MSG_RESULT(yes)
 575 ], [
 576    have_visibility_hidden=no
 577    AC_MSG_RESULT(no)
 578 ])
 579
 580 LIBGC_CFLAGS=
 581 LIBGC_LIBS=
 582 LIBGC_STATIC_LIBS=
 583 libgc_dir=
 584 case "x$gc" in
 585         xboehm|xbohem|xyes)
 586                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 587                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 588
 589                 if test "x$found_boehm" != "xyes"; then
 590                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 591                 fi
 592                 if test "x$gc_headers" != "xyes"; then
 593                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 594                 fi
 595
 596                 AC_DEFINE(HAVE_BOEHM_GC)
 597                 AC_SUBST(HAVE_BOEHM_GC)
 598                 LIBGC_LIBS="-lgc $libdl"
 599                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 600
 601                 # AC_CHECK_FUNCS does not work for some reason...
 602                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 603                 if test "x$found_gcj_malloc" = "xyes"; then
 604                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 605                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 606                 else
 607                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 608                 fi
 609                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 610                 if test "x$found_gc_enable" = "xyes"; then
 611                         AC_DEFINE(HAVE_GC_ENABLE)
 612                 fi
 613                 ;;
 614
 615         xincluded)
 616                 AC_CONFIG_SUBDIRS(libgc)
 617
 618                 # Pass CPPFLAGS to libgc configure
 619                 # Maybe we should use a separate variable for this to avoid passing useless and
 620                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 621                 export CPPFLAGS
 622
 623                 found_boehm=yes
 624                 gc_headers=yes
 625                 use_included_gc=yes
 626                 libgc_dir=libgc
 627
 628                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 629                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 630                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 631
 632                 AC_DEFINE(HAVE_BOEHM_GC)
 633                 AC_SUBST(HAVE_BOEHM_GC)
 634
 635                 AC_DEFINE(HAVE_GC_H)
 636                 AC_DEFINE(USE_INCLUDED_LIBGC)
 637
 638                 # The included libgc contains GCJ support
 639                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 640                 AC_DEFINE(HAVE_GC_ENABLE)
 641                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 642                 ;;
 643
 644         xsgen)
 645                 found_boehm=no
 646                 gc_headers=no
 647                 use_included_gc=no
 648                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 649                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 650                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 651                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 652                 ;;
 653
 654         xnone)
 655                 AC_MSG_WARN("Compiling mono without GC.")
 656                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 657                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 658                 ;;
 659         *)
 660                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 661                 ;;
 662 esac
 663
 664 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 665 if test "x$large_heap" = "xyes"; then
 666    echo "FOO"
 667    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 668 fi
 669
 670 # tell libgc/configure about what we want
 671 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 672
 673 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 674 AC_SUBST(LIBGC_CFLAGS)
 675 AC_SUBST(LIBGC_LIBS)
 676 AC_SUBST(LIBGC_STATIC_LIBS)
 677 AC_SUBST(libgc_dir)
 678
 679 dnl
 680 dnl End of libgc checks
 681 dnl
 682
 683 if test x$platform_win32 = xno; then
 684
 685         dnl ******************************************************************
 686         dnl *** Checks for the IKVM JNI interface library                  ***
 687         dnl ******************************************************************
 688         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 689
 690         ikvm_native_dir=
 691         if test x$with_ikvm_native = xyes; then
 692                 ikvm_native_dir=ikvm-native
 693                 jdk_headers_found="IKVM Native"
 694         fi
 695
 696         AC_SUBST(ikvm_native_dir)
 697
 698         AC_CHECK_HEADERS(execinfo.h)
 699
 700         AC_CHECK_FUNCS(getgrgid_r)
 701         AC_CHECK_FUNCS(getgrnam_r)
 702         AC_CHECK_FUNCS(getpwnam_r)
 703         AC_CHECK_FUNCS(getpwuid_r)
 704         AC_CHECK_FUNCS(getresuid)
 705         AC_CHECK_FUNCS(setresuid)
 706         AC_CHECK_FUNCS(kqueue)
 707         AC_CHECK_FUNCS(backtrace_symbols)
 708         AC_CHECK_FUNCS(mkstemp)
 709         AC_CHECK_FUNCS(mmap)
 710         AC_CHECK_FUNCS(madvise)
 711
 712         dnl ******************************************************************
 713         dnl *** Check for large file support                               ***
 714         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 715         dnl ******************************************************************
 716
 717         # Check that off_t can represent 2**63 - 1 correctly, working around
 718         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 719         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 720         large_offt=no
 721         AC_DEFUN([LARGE_FILES], [
 722                 large_CPPFLAGS=$CPPFLAGS
 723                 CPPFLAGS="$CPPFLAGS $1"
 724                 AC_TRY_RUN([
 725                         #include <sys/types.h>
 726
 727                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 728
 729                         int main(void) {
 730                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 731                                                (BIG_OFF_T%2147483647==1));
 732                                 if(big_off_t) {
 733                                         exit(0);
 734                                 } else {
 735                                         exit(1);
 736                                 }
 737                         }
 738                 ], [
 739                         AC_MSG_RESULT(ok)
 740                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 741                         large_CPPFLAGS="$large_CPPFLAGS $1"
 742                         large_offt=yes
 743                 ], [
 744                         AC_MSG_RESULT(no)
 745                 ], "")
 746                 CPPFLAGS=$large_CPPFLAGS
 747         ])
 748
 749         AC_MSG_CHECKING(if off_t is 64 bits wide)
 750         LARGE_FILES("")
 751         if test $large_offt = no; then
 752                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 753                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 754         fi
 755         if test $large_offt = no; then
 756                 AC_MSG_WARN([No 64 bit file size support available])
 757         fi
 758
 759         dnl *****************************
 760         dnl *** Checks for libsocket  ***
 761         dnl *****************************
 762         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 763
 764         dnl *******************************
 765         dnl *** Checks for MSG_NOSIGNAL ***
 766         dnl *******************************
 767         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 768         AC_TRY_COMPILE([#include <sys/socket.h>], [
 769                 int f = MSG_NOSIGNAL;
 770         ], [
 771                 # Yes, we have it...
 772                 AC_MSG_RESULT(yes)
 773                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 774         ], [
 775                 # We'll have to use signals
 776                 AC_MSG_RESULT(no)
 777         ])
 778
 779         dnl *****************************
 780         dnl *** Checks for SOL_IP     ***
 781         dnl *****************************
 782         AC_MSG_CHECKING(for SOL_IP)
 783         AC_TRY_COMPILE([#include <netdb.h>], [
 784                 int level = SOL_IP;
 785         ], [
 786                 # Yes, we have it...
 787                 AC_MSG_RESULT(yes)
 788                 AC_DEFINE(HAVE_SOL_IP)
 789         ], [
 790                 # We'll have to use getprotobyname
 791                 AC_MSG_RESULT(no)
 792         ])
 793
 794         dnl *****************************
 795         dnl *** Checks for SOL_IPV6     ***
 796         dnl *****************************
 797         AC_MSG_CHECKING(for SOL_IPV6)
 798         AC_TRY_COMPILE([#include <netdb.h>], [
 799                 int level = SOL_IPV6;
 800         ], [
 801                 # Yes, we have it...
 802                 AC_MSG_RESULT(yes)
 803                 AC_DEFINE(HAVE_SOL_IPV6)
 804         ], [
 805                 # We'll have to use getprotobyname
 806                 AC_MSG_RESULT(no)
 807         ])
 808
 809         dnl *****************************
 810         dnl *** Checks for SOL_TCP    ***
 811         dnl *****************************
 812         AC_MSG_CHECKING(for SOL_TCP)
 813         AC_TRY_COMPILE([#include <netdb.h>], [
 814                 int level = SOL_TCP;
 815         ], [
 816                 # Yes, we have it...
 817                 AC_MSG_RESULT(yes)
 818                 AC_DEFINE(HAVE_SOL_TCP)
 819         ], [
 820                 # We'll have to use getprotobyname
 821                 AC_MSG_RESULT(no)
 822         ])
 823
 824         dnl *****************************
 825         dnl *** Checks for IP_PKTINFO ***
 826         dnl *****************************
 827         AC_MSG_CHECKING(for IP_PKTINFO)
 828         AC_TRY_COMPILE([#include <netdb.h>], [
 829                 int level = IP_PKTINFO;
 830         ], [
 831                 # Yes, we have it...
 832                 AC_MSG_RESULT(yes)
 833                 AC_DEFINE(HAVE_IP_PKTINFO)
 834         ], [
 835                 AC_MSG_RESULT(no)
 836         ])
 837
 838         dnl *****************************
 839     dnl *** Checks for IPV6_PKTINFO ***
 840     dnl *****************************
 841     AC_MSG_CHECKING(for IPV6_PKTINFO)
 842     AC_TRY_COMPILE([#include <netdb.h>], [
 843         int level = IPV6_PKTINFO;
 844     ], [
 845         # Yes, we have it...
 846         AC_MSG_RESULT(yes)
 847         AC_DEFINE(HAVE_IPV6_PKTINFO)
 848     ], [
 849         AC_MSG_RESULT(no)
 850     ])
 851
 852         dnl *********************************
 853         dnl *** Check for struct ip_mreqn ***
 854         dnl *********************************
 855         AC_MSG_CHECKING(for struct ip_mreqn)
 856         AC_TRY_COMPILE([#include <netinet/in.h>], [
 857                 struct ip_mreqn mreq;
 858                 mreq.imr_address.s_addr = 0;
 859         ], [
 860                 # Yes, we have it...
 861                 AC_MSG_RESULT(yes)
 862                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 863         ], [
 864                 # We'll just have to try and use struct ip_mreq
 865                 AC_MSG_RESULT(no)
 866                 AC_MSG_CHECKING(for struct ip_mreq)
 867                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 868                         struct ip_mreq mreq;
 869                         mreq.imr_interface.s_addr = 0;
 870                 ], [
 871                         # Yes, we have it...
 872                         AC_MSG_RESULT(yes)
 873                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 874                 ], [
 875                         # No multicast support
 876                         AC_MSG_RESULT(no)
 877                 ])
 878         ])
 879
 880         dnl **********************************
 881         dnl *** Check for gethostbyname2_r ***
 882         dnl **********************************
 883         AC_MSG_CHECKING(for gethostbyname2_r)
 884                 AC_TRY_LINK([#include <netdb.h>], [
 885                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 886         ], [
 887                 # Yes, we have it...
 888                 AC_MSG_RESULT(yes)
 889                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 890         ], [
 891                 AC_MSG_RESULT(no)
 892         ])
 893
 894         dnl *****************************
 895         dnl *** Checks for libnsl     ***
 896         dnl *****************************
 897         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
 898
 899         AC_CHECK_FUNCS(inet_pton inet_aton)
 900
 901         dnl ***********************************************
 902         dnl *** Checks for size of sockaddr_un.sun_path ***
 903         dnl ***********************************************
 904         # AC_CHECK_SIZEOF can't cope with struct members :-(
 905         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 906         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 907                 [AC_TRY_RUN([
 908                         #include <sys/types.h>
 909                         #include <stdio.h>
 910                         #include <sys/un.h>
 911
 912                         int main(void) {
 913                                 struct sockaddr_un sock_un;
 914                                 FILE *f=fopen("conftestval", "w");
 915                                 if(!f) exit(1);
 916                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 917                                 exit(0);
 918                         }
 919                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 920                    cv_mono_sizeof_sunpath=0,
 921                    cv_mono_sizeof_sunpath=0)])dnl
 922         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 923         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 924
 925         dnl *************************************
 926         dnl *** Checks for zero length arrays ***
 927         dnl *************************************
 928         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 929         AC_TRY_COMPILE([
 930                 struct s {
 931                         int  length;
 932                         char data [0];
 933                 };
 934         ], [], [
 935                 AC_MSG_RESULT(yes)
 936                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 937         ], [
 938                 AC_MSG_RESULT(no)
 939                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 940         ])
 941
 942         dnl *****************************
 943         dnl *** Checks for libxnet    ***
 944         dnl *****************************
 945         case "${host}" in
 946                 *solaris* )
 947                         AC_MSG_CHECKING(for Solaris XPG4 support)
 948                         if test -f /usr/lib/libxnet.so; then
 949                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 950                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 951                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 952                                 LIBS="$LIBS -lxnet"
 953                                 AC_MSG_RESULT(yes)
 954                         else
 955                                 AC_MSG_RESULT(no)
 956                         fi
 957
 958                         if test "$GCC" = "yes"; then
 959                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 960                         fi
 961                 ;;
 962         esac
 963
 964         dnl *****************************
 965         dnl *** Checks for libpthread ***
 966         dnl *****************************
 967 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 968 # and libpthread does not exist
 969 #
 970         case "${host}" in
 971                 *-*-*freebsd4*)
 972                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 973                 ;;
 974                 *-*-*freebsd5*)
 975                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 976                 ;;
 977                 *-*-*freebsd6*)
 978                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 979                 ;;
 980                 *)
 981                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 982                 ;;
 983         esac
 984         AC_CHECK_HEADERS(pthread.h)
 985         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 986         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 987         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 988         AC_TRY_COMPILE([ #include <pthread.h>], [
 989                 pthread_mutexattr_t attr;
 990                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 991         ], [
 992                 AC_MSG_RESULT(ok)
 993         ], [
 994                 AC_MSG_RESULT(no)
 995                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 996                 AC_DEFINE(USE_MONO_MUTEX)
 997         ])
 998         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 999         AC_CHECK_FUNCS(pthread_attr_getstack)
1000         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1001
1002         dnl ***********************************
1003         dnl *** Checks for working __thread ***
1004         dnl ***********************************
1005         AC_MSG_CHECKING(for working __thread)
1006         if test "x$with_tls" != "x__thread"; then
1007                 AC_MSG_RESULT(disabled)
1008         else
1009                 AC_TRY_RUN([
1010                         #include <pthread.h>
1011                         __thread int i;
1012                         static int res1, res2;
1013
1014                         void thread_main (void *arg)
1015                         {
1016                                 i = arg;
1017                                 sleep (1);
1018                                 if (arg == 1)
1019                                         res1 = (i == arg);
1020                                 else
1021                                         res2 = (i == arg);
1022                         }
1023
1024                         int main () {
1025                                 pthread_t t1, t2;
1026
1027                                 i = 5;
1028
1029                                 pthread_create (&t1, NULL, thread_main, 1);
1030                                 pthread_create (&t2, NULL, thread_main, 2);
1031
1032                                 pthread_join (t1, NULL);
1033                                 pthread_join (t2, NULL);
1034
1035                                 return !(res1 + res2 == 2);
1036                         }
1037                 ], [
1038                                 AC_MSG_RESULT(yes)
1039                 ], [
1040                                 AC_MSG_RESULT(no)
1041                                 with_tls=pthread
1042                 ])
1043         fi
1044
1045         dnl **************************************
1046         dnl *** Checks for working sigaltstack ***
1047         dnl **************************************
1048         AC_MSG_CHECKING(for working sigaltstack)
1049         if test "x$with_sigaltstack" != "xyes"; then
1050                 AC_MSG_RESULT(disabled)
1051         else
1052                 AC_TRY_RUN([
1053                         #include <stdio.h>
1054                         #include <stdlib.h>
1055                         #include <unistd.h>
1056                         #include <signal.h>
1057                         #include <pthread.h>
1058                         #include <sys/wait.h>
1059                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1060                         #define SA_STACK SA_ONSTACK
1061                         #endif
1062                         static void
1063                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1064                         {
1065                                 exit (0);
1066                         }
1067
1068                         static void *
1069                         loop (void *ignored)
1070                         {
1071                                 char *ptr = NULL;
1072
1073                                 *ptr = 0;
1074                                 return NULL;
1075                         }
1076
1077                         static void
1078                         child ()
1079                         {
1080                                 struct sigaction sa;
1081                                 struct sigaltstack sas;
1082                                 pthread_t id;
1083                                 pthread_attr_t attr;
1084
1085                                 sa.sa_sigaction = sigsegv_signal_handler;
1086                                 sigemptyset (&sa.sa_mask);
1087                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1088                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1089                                         perror ("sigaction");
1090                                         return;
1091                                 }
1092
1093                                 sas.ss_sp = malloc (SIGSTKSZ);
1094                                 sas.ss_size = SIGSTKSZ;
1095                                 sas.ss_flags = 0;
1096                                 if (sigaltstack (&sas, NULL) == -1) {
1097                                         perror ("sigaltstack");
1098                                         return;
1099                                 }
1100
1101                                 pthread_attr_init (&attr);
1102                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1103                                         printf ("pthread_create\n");
1104                                         return;
1105                                 }
1106
1107                                 sleep (100);
1108                         }
1109
1110                         int
1111                         main ()
1112                         {
1113                                 pid_t son;
1114                                 int status;
1115                                 int i;
1116
1117                                 son = fork ();
1118                                 if (son == -1) {
1119                                         return 1;
1120                                 }
1121
1122                                 if (son == 0) {
1123                                         child ();
1124                                         return 0;
1125                                 }
1126
1127                                 for (i = 0; i < 3; ++i) {
1128                                         sleep (1);
1129                                         waitpid (son, &status, WNOHANG);
1130                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1131                                                 return 0;
1132                                 }
1133
1134                                 kill (son, SIGKILL);
1135                                 return 1;
1136                         }
1137
1138                 ], [
1139                                 AC_MSG_RESULT(yes)
1140                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1141                 ], [
1142                                 with_sigaltstack=no
1143                                 AC_MSG_RESULT(no)
1144                 ])
1145         fi
1146
1147         dnl ********************************
1148         dnl *** Checks for semaphore lib ***
1149         dnl ********************************
1150         # 'Real Time' functions on Solaris
1151         # posix4 on Solaris 2.6
1152         # pthread (first!) on Linux
1153         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1154
1155         dnl ********************************
1156         dnl *** Checks for timezone stuff **
1157         dnl ********************************
1158         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1159                 AC_TRY_COMPILE([
1160                         #include <time.h>
1161                         ], [
1162                         struct tm tm;
1163                         tm.tm_gmtoff = 1;
1164                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1165         if test $ac_cv_struct_tm_gmtoff = yes; then
1166                 AC_DEFINE(HAVE_TM_GMTOFF)
1167         else
1168                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1169                         AC_TRY_COMPILE([
1170                                 #include <time.h>
1171                         ], [
1172                                 timezone = 1;
1173                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1174                 if test $ac_cv_var_timezone = yes; then
1175                         AC_DEFINE(HAVE_TIMEZONE)
1176                 else
1177                         AC_ERROR(unable to find a way to determine timezone)
1178                 fi
1179         fi
1180
1181         dnl *********************************
1182         dnl *** Checks for math functions ***
1183         dnl *********************************
1184         LIBS="$LIBS -lm";
1185         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1186                 AC_TRY_LINK([#include <math.h>],
1187                 [ finite(0.0); ],
1188                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1189                 AC_MSG_RESULT(no)))
1190         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1191                 AC_TRY_LINK([#include <math.h>],
1192                 [ isfinite(0.0); ],
1193                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1194                 AC_MSG_RESULT(no)))
1195
1196         dnl ****************************************************************
1197         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1198         dnl *** have it in the library (duh))                            ***
1199         dnl ****************************************************************
1200         AC_CHECK_FUNCS(poll)
1201
1202         dnl *************************
1203         dnl *** Check for signbit ***
1204         dnl *************************
1205         AC_MSG_CHECKING(for signbit)
1206         AC_TRY_LINK([#include <math.h>], [
1207                 int s = signbit(1.0);
1208         ], [
1209                 AC_MSG_RESULT(yes)
1210                 AC_DEFINE(HAVE_SIGNBIT)
1211         ], [
1212                 AC_MSG_RESULT(no)
1213         ])
1214
1215         dnl **********************************
1216         dnl *** epoll                      ***
1217         dnl **********************************
1218         AC_CHECK_HEADERS(sys/epoll.h)
1219         haveepoll=no
1220         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1221         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1222                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1223         fi
1224
1225         dnl ******************************
1226         dnl *** Checks for SIOCGIFCONF ***
1227         dnl ******************************
1228         AC_CHECK_HEADERS(sys/ioctl.h)
1229         AC_CHECK_HEADERS(net/if.h)
1230         AC_MSG_CHECKING(for ifreq)
1231         AC_TRY_COMPILE([
1232                 #include <sys/ioctl.h>
1233                 #include <net/if.h>
1234                 ], [
1235                 struct ifconf ifc;
1236                 struct ifreq *ifr;
1237                 void *x;
1238                 ifc.ifc_len = 0;
1239                 ifc.ifc_buf = NULL;
1240                 x = (void *) &ifr->ifr_addr;
1241                 ],[
1242                         AC_MSG_RESULT(yes)
1243                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1244                 ], [
1245                         AC_MSG_RESULT(no)
1246                 ])
1247         dnl **********************************
1248         dnl *** Checks for MonoPosixHelper ***
1249         dnl **********************************
1250         AC_CHECK_HEADERS(checklist.h)
1251         AC_CHECK_HEADERS(fstab.h)
1252         AC_CHECK_HEADERS(attr/xattr.h)
1253         AC_CHECK_HEADERS(sys/extattr.h)
1254         AC_CHECK_HEADERS(sys/sendfile.h)
1255         AC_CHECK_HEADERS(sys/statvfs.h)
1256         AC_CHECK_HEADERS(sys/vfstab.h)
1257         AC_CHECK_HEADERS(sys/xattr.h)
1258         AC_CHECK_HEADERS(sys/mman.h)
1259         AC_CHECK_FUNCS(getdomainname)
1260         AC_CHECK_FUNCS(setdomainname)
1261         AC_CHECK_FUNCS(fgetgrent)
1262         AC_CHECK_FUNCS(fgetpwent)
1263         AC_CHECK_FUNCS(fgetpwent)
1264         AC_CHECK_FUNCS(getfsstat)
1265         AC_CHECK_FUNCS(lutimes)
1266         AC_CHECK_FUNCS(mremap)
1267         AC_CHECK_FUNCS(remap_file_pages)
1268         AC_CHECK_FUNCS(posix_fadvise)
1269         AC_CHECK_FUNCS(posix_fallocate)
1270         AC_CHECK_FUNCS(posix_madvise)
1271         AC_CHECK_FUNCS(vsnprintf)
1272         AC_CHECK_FUNCS(sendfile)
1273         AC_CHECK_FUNCS(sethostid)
1274         AC_CHECK_FUNCS(statfs)
1275         AC_CHECK_FUNCS(fstatfs)
1276         AC_CHECK_FUNCS(statvfs)
1277         AC_CHECK_FUNCS(fstatvfs)
1278         AC_CHECK_FUNCS(stime)
1279         AC_CHECK_FUNCS(strerror_r)
1280         AC_CHECK_FUNCS(ttyname_r)
1281         AC_CHECK_SIZEOF(size_t)
1282         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1283                 [#include <sys/types.h>
1284                  #include <sys/stat.h>
1285                  #include <unistd.h>])
1286         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1287                 [#include <sys/types.h>
1288                  #include <sys/stat.h>
1289                  #include <unistd.h>])
1290         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1291                 [#include <sys/time.h>])
1292         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1293                 [#include <sys/poll.h>])
1294         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1295                 [#include <sys/types.h>
1296                  #include <sys/stat.h>
1297                  #include <unistd.h>])
1298         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1299                 [#include <sys/time.h>
1300                  #include <sys/types.h>
1301                  #include <utime.h>])
1302         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1303                 [#include <sys/time.h>])
1304         AC_CHECK_MEMBERS(
1305                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1306                 [#include <sys/types.h>
1307                  #include <dirent.h>])
1308
1309         dnl Favour xattr through glibc, but use libattr if we have to
1310         AC_CHECK_FUNC(lsetxattr, ,
1311                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1312         )
1313         AC_SUBST(XATTR_LIB)
1314
1315         dnl *********************************
1316         dnl *** Check for Console 2.0 I/O ***
1317         dnl *********************************
1318         AC_CHECK_HEADERS([curses.h])
1319         AC_CHECK_HEADERS([term.h], [], [],
1320         [#if HAVE_CURSES_H
1321          #include <curses.h>
1322          #endif
1323         ])
1324         AC_CHECK_HEADERS([termios.h])
1325
1326         dnl * This is provided in io-layer, but on windows it's only available
1327         dnl * on xp+
1328         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1329 else
1330         jdk_headers_found=no
1331         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1332         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1333         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1334         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1335
1336         dnl *********************************
1337         dnl *** Check for struct ip_mreqn ***
1338         dnl *********************************
1339         AC_MSG_CHECKING(for struct ip_mreqn)
1340         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1341                 struct ip_mreqn mreq;
1342                 mreq.imr_address.s_addr = 0;
1343         ], [
1344                 # Yes, we have it...
1345                 AC_MSG_RESULT(yes)
1346                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1347         ], [
1348                 # We'll just have to try and use struct ip_mreq
1349                 AC_MSG_RESULT(no)
1350                 AC_MSG_CHECKING(for struct ip_mreq)
1351                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1352                         struct ip_mreq mreq;
1353                         mreq.imr_interface.s_addr = 0;
1354                 ], [
1355                         # Yes, we have it...
1356                         AC_MSG_RESULT(yes)
1357                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1358                 ], [
1359                         # No multicast support
1360                         AC_MSG_RESULT(no)
1361                 ])
1362         ])
1363         AC_CHECK_FUNCS(GetProcessId)
1364 fi
1365
1366 dnl socklen_t check
1367 AC_MSG_CHECKING(for socklen_t)
1368 AC_TRY_COMPILE([
1369 #include <sys/types.h>
1370 #include <sys/socket.h>
1371 ],[
1372   socklen_t foo;
1373 ],[
1374 ac_cv_c_socklen_t=yes
1375         AC_DEFINE(HAVE_SOCKLEN_T)
1376         AC_MSG_RESULT(yes)
1377 ],[
1378         AC_MSG_RESULT(no)
1379 ])
1380
1381 AC_MSG_CHECKING(for array element initalizer support)
1382 AC_TRY_COMPILE([#include <sys/socket.h>], [
1383         const int array[] = {[1] = 2,};
1384 ], [
1385         # Yes, we have it...
1386         AC_MSG_RESULT(yes)
1387         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1388 ], [
1389         # We'll have to use signals
1390         AC_MSG_RESULT(no)
1391 ])
1392
1393 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1394         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1395         AC_TRY_LINK([#include <math.h>],
1396         [ static void *p = &trunc; ],
1397         [
1398                 AC_DEFINE(HAVE_TRUNC)
1399                 AC_MSG_RESULT(yes)
1400                 ac_cv_trunc=yes
1401         ],
1402         AC_MSG_RESULT(no)))
1403
1404 if test "x$ac_cv_truncl" != "xyes"; then
1405    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1406 fi
1407
1408 dnl ****************************
1409 dnl *** Look for /dev/random ***
1410 dnl ****************************
1411
1412 AC_MSG_CHECKING([if usage of random device is requested])
1413 AC_ARG_ENABLE(dev-random,
1414 [  --disable-dev-random    disable the use of the random device],
1415 try_dev_random=$enableval, try_dev_random=yes)
1416 AC_MSG_RESULT($try_dev_random)
1417
1418 case "{$target}" in
1419     *-openbsd*)
1420     NAME_DEV_RANDOM="/dev/srandom"
1421     ;;
1422
1423 dnl Win32 does not have /dev/random, they have their own method...
1424
1425     *-*-mingw*|*-*-cygwin*)
1426     ac_cv_have_dev_random=no
1427     ;;
1428
1429 dnl Everywhere else, it's /dev/random
1430
1431     *)
1432     NAME_DEV_RANDOM="/dev/random"
1433     ;;
1434 esac
1435
1436 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1437
1438 dnl Now check if the device actually exists
1439
1440 if test "x$try_dev_random" = "xyes"; then
1441     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1442     [if test -r "$NAME_DEV_RANDOM" ; then
1443         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1444     if test "x$ac_cv_have_dev_random" = "xyes"; then
1445         AC_DEFINE(HAVE_CRYPT_RNG)
1446     fi
1447 else
1448     AC_MSG_CHECKING(for random device)
1449     ac_cv_have_dev_random=no
1450     AC_MSG_RESULT(has been disabled)
1451 fi
1452
1453 if test "x$platform_win32" = "xyes"; then
1454     AC_DEFINE(HAVE_CRYPT_RNG)
1455 fi
1456
1457 if test "x$ac_cv_have_dev_random" = "xno" \
1458     && test "x$platform_win32" = "xno"; then
1459     AC_MSG_WARN([[
1460 ***
1461 *** A system-provided entropy source was not found on this system.
1462 *** Because of this, the System.Security.Cryptography random number generator
1463 *** will throw a NotImplemented exception.
1464 ***
1465 *** If you are seeing this message, and you know your system DOES have an
1466 *** entropy collection in place, please contact <crichton@gimp.org> and
1467 *** provide information about the system and how to access the random device.
1468 ***
1469 *** Otherwise you can install either egd or prngd and set the environment
1470 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1471 ***]])
1472 fi
1473
1474 AC_MSG_CHECKING([if inter-process shared handles are requested])
1475 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1476 AC_MSG_RESULT($try_shared_handles)
1477 if test "x$try_shared_handles" != "xyes"; then
1478         AC_DEFINE(DISABLE_SHARED_HANDLES)
1479         AC_SUBST(DISABLE_SHARED_HANDLES)
1480 fi
1481
1482 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1483 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1484
1485 TARGET="unknown"
1486 ACCESS_UNALIGNED="yes"
1487
1488 JIT_SUPPORTED=no
1489 INTERP_SUPPORTED=no
1490 LIBC="libc.so.6"
1491 INTL="libc.so.6"
1492 SQLITE="libsqlite.so.0"
1493 SQLITE3="libsqlite3.so.0"
1494 X11="libX11.so"
1495
1496 jit_wanted=false
1497 interp_wanted=false
1498 case "$host" in
1499 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1500 #               TARGET=MIPS;
1501 #               ACCESS_UNALIGNED="no"
1502 #               ;;
1503         mips*)
1504                 TARGET=MIPS;
1505                 arch_target=mips;
1506                 ACCESS_UNALIGNED="no"
1507                 JIT_SUPPORTED=yes
1508                 jit_wanted=true
1509                 ;;
1510         i*86-*-*)
1511                 TARGET=X86;
1512                 arch_target=x86;
1513                 JIT_SUPPORTED=yes
1514                 jit_wanted=true
1515                 case $host_os in
1516                   solaris*)
1517                         LIBC="libc.so"
1518                         INTL="libintl.so"
1519
1520                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1521                         # int astruct __attribute__ ((visibility ("hidden")));
1522                         # void foo ()
1523                         # {
1524                         #       void *p = &astruct;
1525                         # }
1526                         # gcc -fPIC --shared -o libfoo.so foo.c
1527                         # yields:
1528                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1529                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1530                         have_visibility_hidden=no
1531
1532                         libmono_ldflags="$libmono_ldflags $LIBS"
1533                 esac
1534                 ;;
1535         x86_64-*-* | amd64-*-*)
1536                 TARGET=AMD64;
1537                 arch_target=amd64;
1538                 JIT_SUPPORTED=yes
1539                 jit_wanted=true
1540                 ;;
1541         ia64-*-*)
1542                 TARGET=IA64
1543                 arch_target=ia64
1544                 ACCESS_UNALIGNED="no"
1545                 JIT_SUPPORTED=yes
1546                 jit_wanted=true
1547                 LIBC="libc.so.6.1"
1548                 INTL="libc.so.6.1"
1549                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1550                 libmono_ldflags="-lunwind"
1551                 ;;
1552         sparc*-*-*)
1553                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1554                    TARGET=SPARC64
1555                 else
1556                         TARGET=SPARC
1557                 fi
1558                 arch_target=sparc;
1559                 JIT_SUPPORTED=yes
1560                 ACCESS_UNALIGNED="no"
1561                 case $host_os in
1562                   linux*) ;;
1563                   *)
1564                         LIBC="libc.so"
1565                         INTL="libintl.so"
1566                         libmono_ldflags="$libmono_ldflags $LIBS"
1567                 esac
1568                 jit_wanted=true
1569                 if test x"$GCC" = xyes; then
1570                         # We don't support v8 cpus
1571                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1572                 fi
1573                 if test x"$AR" = xfalse; then
1574                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1575                 fi
1576                 ;;
1577        alpha*-*-linux* | alpha*-*-osf*)
1578                 TARGET=ALPHA;
1579                 ACCESS_UNALIGNED="no"
1580                 JIT_SUPPORTED=yes
1581                 jit_wanted=true
1582                 arch_target=alpha;
1583                 CFLAGS="$CFLAGS -mieee"
1584                 case $host_os in
1585                   linux*)
1586                         LIBC="libc.so.6.1"
1587                         INTL="libc.so.6.1"
1588                 esac
1589                ;;
1590         *-*-mingw*|*-*-cygwin*)
1591                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1592                 have_visibility_hidden=no
1593                 INTL="intl"
1594                 ;;
1595         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1596                 TARGET=HPPA;
1597                 arch_target=hppa;
1598                 LIBC="libc.sl"
1599                 ACCESS_UNALIGNED="no"
1600                 INTERP_SUPPORTED=yes
1601                 interp_wanted=true
1602                 ;;
1603         hppa*linux*)
1604                 TARGET=HPPA;
1605                 arch_target=hppa;
1606                 ACCESS_UNALIGNED="no"
1607                 INTERP_SUPPORTED=yes
1608                 interp_wanted=true
1609                 ;;
1610         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1611         powerpc-*-sysv* | powerpc-*-darwin*)
1612                 TARGET=POWERPC;
1613                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1614                 arch_target=ppc;
1615                 JIT_SUPPORTED=yes
1616                 jit_wanted=true
1617                 ;;
1618         arm*-linux*)
1619                 TARGET=ARM;
1620                 arch_target=arm;
1621                 ACCESS_UNALIGNED="no"
1622                 JIT_SUPPORTED=yes
1623                 jit_wanted=true
1624                 ;;
1625         s390-*-linux*)
1626                 TARGET=S390;
1627                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1628                 arch_target=s390;
1629                 ACCESS_UNALIGNED="no"
1630                 JIT_SUPPORTED=yes
1631                 jit_wanted=true
1632                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1633                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1634                 ;;
1635         s390x-*-linux*)
1636                 TARGET=S390x;
1637                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1638                 arch_target=s390x;
1639                 ACCESS_UNALIGNED="no"
1640                 JIT_SUPPORTED=yes
1641                 jit_wanted=true
1642                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1643                 ;;
1644 esac
1645
1646 if test "x$have_visibility_hidden" = "xyes"; then
1647    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1648 fi
1649
1650 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1651         if test x$withval = xyes; then
1652            jit_wanted=true
1653         else
1654            jit_wanted=false
1655         fi
1656 ])
1657
1658 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1659         if test x$withval = xyes; then
1660            interp_wanted=true
1661         else
1662            interp_wanted=false
1663         fi
1664 ])
1665
1666 USEJIT=false
1667 if test x$JIT_SUPPORTED = xyes; then
1668    if $jit_wanted; then
1669       USEJIT=true
1670       jit_status="Building and using the JIT"
1671    else
1672       if $interp_wanted; then
1673          jit_status="Building the JIT, defaulting to the interpreter"
1674       else
1675          AC_ERROR(No JIT or interpreter support available or selected.)
1676       fi
1677    fi
1678 else
1679    if test x$interp_wanted = xtrue; then
1680       jit_status="interpreter"
1681    else
1682       AC_ERROR(No JIT or interpreter support available or selected.)
1683    fi
1684 fi
1685
1686 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1687
1688 libsuffix=".so"
1689
1690 case "$host" in
1691      *-*-darwin*)
1692         libsuffix=".dylib"
1693         LIBC="libc.dylib"
1694         INTL="libintl.dylib"
1695         SQLITE="libsqlite.0.dylib"
1696         SQLITE3="libsqlite3.0.dylib"
1697         X11="libX11.dylib"
1698         ;;
1699      *-*-*netbsd*)
1700         LIBC="libc.so.12"
1701         INTL="libintl.so.0"
1702         ;;
1703     *-*-*freebsd*)
1704         LIBC="libc.so"
1705         INTL="libintl.so"
1706         ;;
1707     *-*-*openbsd*)
1708         LIBC="libc.so"
1709         INTL="libintl.so"
1710         ;;
1711     *-*-*linux*)
1712         AC_PATH_X
1713         AC_MSG_CHECKING(for the soname of libX11.so)
1714         for i in $x_libraries /usr/lib /usr/lib64; do
1715                 for r in 4 5 6; do
1716                         if test -f $i/libX11.so.$r; then
1717                                 X11=libX11.so.$r
1718                                 AC_MSG_RESULT($X11)
1719                         fi
1720                 done
1721         done
1722
1723         if test "x$X11" = "xlibX11.so"; then
1724                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1725         fi
1726         ;;
1727 esac
1728
1729
1730 AC_SUBST(libsuffix)
1731
1732 if test "x$TARGET" != "xAMD64"; then
1733    # valgrind headers don't compile under x86-64
1734    AC_CHECK_HEADERS(valgrind/memcheck.h)
1735 fi
1736
1737 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1738         if test "x$with_tls" = "x__thread"; then
1739                 #
1740                 # On some linux distributions, TLS works in executables, but linking
1741                 # against a shared library containing TLS fails with:
1742                 # undefined reference to `__tls_get_addr'
1743                 #
1744                 rm -f conftest.c conftest.so conftest
1745                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1746                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1747                 $CC -o conftest conftest.so > /dev/null 2>&1
1748                 if test ! -f conftest; then
1749                    AC_MSG_WARN([Disabling usage of __thread.]);
1750                    with_tls=pthread
1751                 fi
1752                 rm -f conftest.c conftest.so conftest
1753         fi
1754 fi
1755
1756 mono_debugger_supported=no
1757 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1758         if test x$use_included_gc = xyes; then
1759                 case "$host" in
1760                 *-*-*linux*)
1761                         mono_debugger_supported=yes
1762                         ;;
1763                 esac
1764         fi
1765 fi
1766
1767 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1768 if test "x$mono_debugger_supported" = "xyes"; then
1769         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1770 fi
1771 AC_MSG_RESULT($mono_debugger_supported)
1772 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1773
1774 if test "x$with_tls" = "x__thread"; then
1775         AC_DEFINE(HAVE_KW_THREAD)
1776         # Pass the information to libgc
1777         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1778         AC_MSG_CHECKING(if the tls_model attribute is supported)
1779         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1780                 ], [
1781                         AC_MSG_RESULT(yes)
1782                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1783                 ], [
1784                         AC_MSG_RESULT(no)
1785         ])
1786 fi
1787
1788 if test ${TARGET} = ARM; then
1789         dnl ******************************************
1790         dnl *** Check to see what FPU is available ***
1791         dnl ******************************************
1792         AC_MSG_CHECKING(which FPU to use)
1793
1794         AC_TRY_COMPILE([], [
1795                 __asm__ ("ldfd f0, [r0]");
1796                 ], fpu=FPA, [
1797                         AC_TRY_COMPILE([], [
1798                                 __asm__ ("fldd d0, [r0]");
1799                         ], fpu=VFP, fpu=NONE)
1800                 ])
1801
1802         AC_MSG_RESULT($fpu)
1803         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1804         unset fpu
1805 fi
1806
1807 if test ${TARGET} = unknown; then
1808         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1809         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1810 fi
1811
1812 if test ${ACCESS_UNALIGNED} = no; then
1813         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1814 fi
1815
1816 PREVIEW=yes
1817 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1818         if test x$with_preview = xno; then
1819               PREVIEW=no
1820         fi
1821 ])
1822
1823 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1824
1825 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1826 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1827 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1828 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1829 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1830 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1831 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1832 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1833 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1834 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1835 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1836 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1837 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1838 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1839 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1840
1841 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1842 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1843 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1844
1845 AC_SUBST(LIBC)
1846 AC_SUBST(INTL)
1847 AC_SUBST(SQLITE)
1848 AC_SUBST(SQLITE3)
1849 AC_SUBST(X11)
1850
1851 AC_SUBST(arch_target)
1852 AC_SUBST(CFLAGS)
1853 AC_SUBST(CPPFLAGS)
1854 AC_SUBST(LDFLAGS)
1855
1856 mono_build_root=`pwd`
1857 AC_SUBST(mono_build_root)
1858
1859 if test x$USEJIT = xtrue; then
1860   mono_runtime=mono/mini/mono
1861 else
1862   mono_runtime=mono/interpreter/mint
1863 fi
1864 AC_SUBST(mono_runtime)
1865
1866 mono_cfg_root=$mono_build_root/runtime
1867 if test x$platform_win32 = xyes; then
1868   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1869 else
1870   mono_cfg_dir=$mono_cfg_root/etc
1871 fi
1872 AC_SUBST(mono_cfg_dir)
1873
1874 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1875 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1876 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1877
1878 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1879 [   depth=../../../..
1880     case $srcdir in
1881     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1882     .) reldir=$depth ;;
1883     *) reldir=$depth/$srcdir ;;
1884     esac
1885     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1886     cd runtime/etc/mono/1.0
1887     rm -f machine.config
1888     $LN_S $reldir/data/net_1_1/machine.config machine.config
1889     cd $depth
1890 ],[LN_S='$LN_S'])
1891
1892 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1893 [   depth=../../../..
1894     case $srcdir in
1895     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1896     .) reldir=$depth ;;
1897     *) reldir=$depth/$srcdir ;;
1898     esac
1899     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1900     cd runtime/etc/mono/2.0
1901     rm -f machine.config
1902     $LN_S $reldir/data/net_2_0/machine.config machine.config
1903     cd $depth
1904 ],[LN_S='$LN_S'])
1905
1906 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1907 [   depth=../../../..
1908     case $srcdir in
1909     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1910     .) reldir=$depth ;;
1911     *) reldir=$depth/$srcdir ;;
1912     esac
1913     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1914     cd runtime/etc/mono/2.0
1915     rm -f web.config
1916     $LN_S $reldir/data/net_2_0/web.config web.config
1917     cd $depth
1918 ],[LN_S='$LN_S'])
1919
1920 AC_OUTPUT([
1921 Makefile
1922 mint.pc
1923 mono.pc
1924 mono-cairo.pc
1925 dotnet.pc
1926 mono-uninstalled.pc
1927 scripts/mono-nunit.pc
1928 scripts/mono-find-provides
1929 scripts/mono-find-requires
1930 mono/Makefile
1931 mono/utils/Makefile
1932 mono/metadata/Makefile
1933 mono/dis/Makefile
1934 mono/cil/Makefile
1935 mono/arch/Makefile
1936 mono/os/Makefile
1937 mono/arch/x86/Makefile
1938 mono/arch/amd64/Makefile
1939 mono/arch/hppa/Makefile
1940 mono/arch/ppc/Makefile
1941 mono/arch/sparc/Makefile
1942 mono/arch/s390/Makefile
1943 mono/arch/s390x/Makefile
1944 mono/arch/arm/Makefile
1945 mono/arch/alpha/Makefile
1946 mono/arch/ia64/Makefile
1947 mono/arch/mips/Makefile
1948 mono/interpreter/Makefile
1949 mono/tests/Makefile
1950 mono/tests/tests-config
1951 mono/tests/cas/Makefile
1952 mono/tests/cas/assembly/Makefile
1953 mono/tests/cas/demand/Makefile
1954 mono/tests/cas/inheritance/Makefile
1955 mono/tests/cas/linkdemand/Makefile
1956 mono/tests/cas/threads/Makefile
1957 mono/benchmark/Makefile
1958 mono/monoburg/Makefile
1959 mono/monograph/Makefile
1960 mono/io-layer/Makefile
1961 mono/mini/Makefile
1962 mono/profiler/Makefile
1963 ikvm-native/Makefile
1964 scripts/Makefile
1965 man/Makefile
1966 web/Makefile
1967 docs/Makefile
1968 data/Makefile
1969 data/net_1_1/Makefile
1970 data/net_2_0/Makefile
1971 samples/Makefile
1972 support/Makefile
1973 data/config
1974 tools/Makefile
1975 tools/locale-builder/Makefile
1976 runtime/Makefile
1977 ])
1978
1979 if test x$platform_win32 = xyes; then
1980    # Get rid of 'cyg' prefixes in library names
1981    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1982    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1983    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1984    # executable doesn't work...
1985    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1986 fi
1987
1988 (
1989   case $prefix in
1990   NONE) prefix=$ac_default_prefix ;;
1991   esac
1992   case $exec_prefix in
1993   NONE) exec_prefix='${prefix}' ;;
1994   esac
1995
1996   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1997
1998   #
1999   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2000   # any existing config.make.  This allows people to share the same source tree
2001   # with different build directories, one native and one cross
2002   #
2003   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2004     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2005     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2006     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2007     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2008     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2009     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2010     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2011
2012     case $INSTALL in
2013     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2014     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2015     esac
2016
2017     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2018
2019     export VERSION
2020     [myver=$($AWK 'BEGIN {
2021       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2022       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2023     }')]
2024
2025     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2026   fi
2027 )
2028
2029 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2030
2031 echo "
2032         mcs source:  $mcs_topdir
2033         GC:          $gc
2034         TLS:         $with_tls
2035         SIGALTSTACK: $with_sigaltstack
2036         Engine:      $jit_status
2037         2.0 Alpha:   $PREVIEW
2038         JNI support: $jdk_headers_found
2039         libgdiplus:  $libgdiplus_msg
2040         $disabled
2041
2042 "
2043 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2044    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2045 fi
2046
2047 if test x$have_zlib = xno; then
2048    AC_MSG_WARN(ZLib devel files not available, compression file support in 2.0 won't work.)
2049 fi
2050
2051 if test x$gc = xsgen; then
2052         echo IMPORTANT:
2053         echo IMPORTANT: You have selected an experimental, work-in-progress
2054         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2055         echo IMPORTANT: and is not yet ready for use.
2056         echo IMPORTANT:
2057         echo IMPORTANT: There are known problems with it, use at your own risk.
2058 fi