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