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,1.1.15)
  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                 libdl=
  71                 libgc_threads=win32
  72                 gc_default=included
  73                 with_nptl=default
  74                 with_sigaltstack=no
  75                 LN_S=cp
  76                 # This forces libgc to use the DllMain based thread registration code on win32
  77                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  78                 ;;
  79         *-*-*netbsd*)
  80                 platform_win32=no
  81                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  82                 libmono_cflags="-D_REENTRANT"
  83                 LDFLAGS="$LDFLAGS -pthread"
  84                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  85                 libmono_ldflags="-pthread"
  86                 need_link_unlink=yes
  87                 libdl=
  88                 libgc_threads=no
  89                 ;;
  90 # these flags will work for all versions of -STABLE
  91 #
  92         *-*-*freebsd4*)
  93                 platform_win32=no
  94                 if test "x$PTHREAD_CFLAGS" = "x"; then
  95                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  96                         libmono_cflags="-D_THREAD_SAFE"
  97                 else
  98                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
  99                         libmono_cflags="$PTHREAD_CFLAGS"
 100                 fi
 101                 if test "x$PTHREAD_LIBS" = "x"; then
 102                         LDFLAGS="$LDFLAGS -pthread"
 103                         libmono_ldflags="-pthread"
 104                 else
 105                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 106                         libmono_ldflags="$PTHREAD_LIBS"
 107                 fi
 108                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 109                 need_link_unlink=yes
 110                 AC_DEFINE(PTHREAD_POINTER_ID)
 111                 libdl=
 112                 libgc_threads=pthreads
 113 # TLS isn't implemented at all on 4-STABLE
 114                 with_nptl=no
 115                 with_tls=pthread
 116                 ;;
 117         *-*-*freebsd5*)
 118                 platform_win32=no
 119                 if test "x$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                 ;;
 207         *-*-darwin*)
 208                 platform_win32=no
 209                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
 210                 libmono_cflags="-D_THREAD_SAFE"
 211                 LDFLAGS="$LDFLAGS -pthread"
 212                 libmono_ldflags="-pthread"
 213                 need_link_unlink=yes
 214                 AC_DEFINE(PTHREAD_POINTER_ID)
 215                 AC_DEFINE(USE_MACH_SEMA)
 216                 no_version_script=yes
 217                 libdl=
 218                 libgc_threads=pthreads
 219                 ;;
 220         *)
 221                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 222                 platform_win32=no
 223                 libdl="-ldl"
 224                 ;;
 225 esac
 226 AC_MSG_RESULT(ok)
 227
 228 if test x$need_link_unlink = xyes; then
 229    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 230 fi
 231
 232 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 233
 234 AC_CHECK_TOOL(CC, gcc, gcc)
 235 AC_PROG_CC
 236 AM_PROG_CC_STDC
 237 AC_PROG_INSTALL
 238 AC_PROG_AWK
 239 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 240 : ${CCAS='$(CC)'}
 241 # Set ASFLAGS if not already set.
 242 : ${CCASFLAGS='$(CFLAGS)'}
 243 AC_SUBST(CCAS)
 244 AC_SUBST(CCASFLAGS)
 245
 246 AC_CHECK_PROG(BISON, bison,yes,no)
 247 if test "x$BISON" = "xno";
 248 then
 249         AC_MSG_ERROR([You need to install bison])
 250 fi
 251
 252 dnl may require a specific autoconf version
 253 dnl AC_PROG_CC_FOR_BUILD
 254 dnl CC_FOR_BUILD not automatically detected
 255 CC_FOR_BUILD=$CC
 256 CFLAGS_FOR_BUILD=$CFLAGS
 257 BUILD_EXEEXT=
 258 if test "x$cross_compiling" = "xyes"; then
 259         CC_FOR_BUILD=cc
 260         CFLAGS_FOR_BUILD=
 261         BUILD_EXEEXT=""
 262 fi
 263 AC_SUBST(CC_FOR_BUILD)
 264 AC_SUBST(CFLAGS_FOR_BUILD)
 265 AC_SUBST(HOST_CC)
 266 AC_SUBST(BUILD_EXEEXT)
 267
 268 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 269
 270 # Set STDC_HEADERS
 271 AC_HEADER_STDC
 272 AC_LIBTOOL_WIN32_DLL
 273 # This causes monodis to not link correctly
 274 #AC_DISABLE_FAST_INSTALL
 275 AM_PROG_LIBTOOL
 276
 277 # Test whenever ld supports -version-script
 278 AC_PROG_LD
 279 AC_PROG_LD_GNU
 280 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 281    no_version_script=yes
 282 fi
 283
 284 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 285
 286 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
 287
 288 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 289
 290 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 291
 292 # for mono/metadata/debug-symfile.c
 293 AC_CHECK_HEADERS(elf.h)
 294
 295 # for support
 296 AC_CHECK_HEADERS(poll.h)
 297 AC_CHECK_HEADERS(sys/poll.h)
 298 AC_CHECK_HEADERS(sys/wait.h)
 299 AC_CHECK_HEADERS(grp.h)
 300 AC_CHECK_HEADERS(syslog.h)
 301
 302 # for mono/dis
 303 AC_CHECK_HEADERS(wchar.h)
 304 case "$host" in
 305         *-*-*freebsd6*)
 306                 AC_CHECK_HEADERS(ieeefp.h)
 307         ;;
 308         *-*-*freebsd*)
 309                 /* Only freebsd6 has a working ieeefp.h */
 310         ;;
 311         *)
 312                 AC_CHECK_HEADERS(ieeefp.h)
 313         ;;
 314 esac
 315 AC_MSG_CHECKING(for isinf)
 316 AC_TRY_LINK([#include <math.h>], [
 317         int f = isinf (1);
 318 ], [
 319         AC_MSG_RESULT(yes)
 320         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 321 ], [
 322         # We'll have to use signals
 323         AC_MSG_RESULT(no)
 324 ])
 325
 326
 327 # not 64 bit clean in cross-compile
 328 AC_CHECK_SIZEOF(void *, 4)
 329
 330 WARN=''
 331 if test x"$GCC" = xyes; then
 332         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 333                 # The runtime code does not respect ANSI C strict aliasing rules
 334                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 335
 336                 ORIG_CFLAGS=$CFLAGS
 337                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 338                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 339                 AC_TRY_COMPILE([], [
 340                                                    void main () { }
 341                 ], [
 342                    AC_MSG_RESULT(yes)
 343                 ], [
 344                    AC_MSG_RESULT(no)
 345                    CFLAGS=$ORIG_CFLAGS
 346                 ])
 347 else
 348         # The Sun Forte compiler complains about inline functions that access static variables
 349         # so disable all inlining.
 350         case "$host" in
 351         *-*-solaris*)
 352                 CFLAGS="$CFLAGS -Dinline="
 353                 ;;
 354         esac
 355 fi
 356 CFLAGS="$CFLAGS -g $WARN"
 357
 358 # Where's the 'mcs' source tree?
 359 if test -d $srcdir/mcs; then
 360   mcsdir=mcs
 361 else
 362   mcsdir=../mcs
 363 fi
 364
 365 mcs_topdir='$(top_srcdir)/'$mcsdir
 366 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 367
 368 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 369 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
 370
 371 AC_SUBST([mcs_topdir])
 372 AC_SUBST([mcs_topdir_from_srcdir])
 373
 374 AC_ARG_WITH([libgdiplus],
 375         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 376         [], [with_libgdiplus=installed])
 377
 378 case $with_libgdiplus in
 379 no|installed) libgdiplus_loc= ;;
 380 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 381 /*) libgdiplus_loc=$with_libgdiplus ;;
 382 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 383 esac
 384 AC_SUBST([libgdiplus_loc])
 385
 386 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 387 if test "x$PKG_CONFIG" = "xno"; then
 388         AC_MSG_ERROR([You need to install pkg-config])
 389 fi
 390
 391 dnl for use on the build system
 392 dnl pkg-config is stupid
 393 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 394 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 395 AC_SUBST(BUILD_GLIB_CFLAGS)
 396 AC_SUBST(BUILD_GLIB_LIBS)
 397
 398 pkg_config_path=
 399 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 400         if test x$with_crosspkgdir = "x"; then
 401                 if test -s $PKG_CONFIG_PATH; then
 402                         pkg_config_path=$PKG_CONFIG_PATH
 403                 fi
 404         else
 405                 pkg_config_path=$with_crosspkgdir
 406                 PKG_CONFIG_PATH=$pkg_config_path
 407                 export PKG_CONFIG_PATH
 408         fi
 409 )
 410
 411 ## Versions of dependencies
 412 GLIB_REQUIRED_VERSION=1.3.11
 413
 414 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 415
 416 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 417 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 418 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 419 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 420
 421 AC_SUBST(GLIB_CFLAGS)
 422 AC_SUBST(GLIB_LIBS)
 423 AC_SUBST(GMODULE_CFLAGS)
 424 AC_SUBST(GMODULE_LIBS)
 425
 426 if test x$cross_compiling$platform_win32 = xnoyes; then
 427    AC_MSG_CHECKING(for cygwin glib2-dev package)
 428    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 429       AC_MSG_RESULT(found)
 430           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 431    else
 432       AC_MSG_RESULT(not found, ok)
 433    fi
 434
 435    AC_MSG_CHECKING(for broken gwin32.h)
 436    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 437    if test -f $glib_include/glib/gwin32.h; then
 438           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 439                  AC_MSG_RESULT(failed)
 440                  hashmark='#'
 441                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 442           fi
 443    fi
 444    AC_MSG_RESULT(ok)
 445 fi
 446
 447 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 448
 449 # Enable support for fast thread-local storage
 450 # Some systems have broken support, so we allow to disable it.
 451 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 452
 453 # Kept for compatibility
 454 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 455
 456 if test "x$with_nptl" != "xdefault"; then
 457    if test "x$with_nptl" = "xyes"; then
 458       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 459           with_tls=__thread
 460    fi
 461    if test "x$with_nptl" = "xno"; then
 462       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 463           with_tls=pthread
 464    fi
 465 fi
 466
 467 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 468 # This does not work on some platforms (bug #55253)
 469 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 470
 471 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 472
 473 if test "x$enable_static" = "xno"; then
 474    with_static_mono=no
 475 fi
 476
 477 if test "x$platform_win32" = "xyes"; then
 478    # Boehm GC requires the runtime to be in its own dll
 479    with_static_mono=no
 480 fi
 481
 482 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 483
 484 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 485 if test "x$with_xen_opt" = "xyes"; then
 486         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 487         ORIG_CFLAGS=$CFLAGS
 488         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 489         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 490         AC_TRY_COMPILE([], [
 491                                            void main () { }
 492         ], [
 493            AC_MSG_RESULT(yes)
 494         ], [
 495            AC_MSG_RESULT(no)
 496            CFLAGS=$ORIG_CFLAGS
 497         ])
 498 fi
 499
 500 DISABLED_FEATURES=none
 501
 502 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 503   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 504   reflection_emit, large_code, logging, com, ssa, generics.],
 505 [
 506         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 507                 eval "mono_feature_disable_$feature='yes'"
 508                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 509         done
 510         DISABLED_FEATURES=$enable_minimal
 511         disabled="Disabled:    $enable_minimal"
 512 ],[])
 513
 514 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 515
 516 if test "x$mono_feature_disable_aot" = "xyes"; then
 517         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 518 fi
 519
 520 if test "x$mono_feature_disable_profiler" = "xyes"; then
 521         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 522 fi
 523
 524 if test "x$mono_feature_disable_decimal" = "xyes"; then
 525         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 526 fi
 527
 528 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 529         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 530 fi
 531
 532 if test "x$mono_feature_disable_debug" = "xyes"; then
 533         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 534 fi
 535
 536 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 537         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 538 fi
 539
 540 if test "x$mono_feature_disable_large_code" = "xyes"; then
 541         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 542 fi
 543
 544 if test "x$mono_feature_disable_logging" = "xyes"; then
 545         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 546 fi
 547
 548 if test "x$mono_feature_disable_com" = "xyes"; then
 549         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 550 fi
 551
 552 if test "x$mono_feature_disable_ssa" = "xyes"; then
 553         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 554 fi
 555
 556 if test "x$mono_feature_disable_generics" = "xyes"; then
 557         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 558 fi
 559
 560 AC_MSG_CHECKING(for visibility __attribute__)
 561 AC_TRY_COMPILE([], [
 562    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 563    void main () { doit (); }
 564 ], [
 565    have_visibility_hidden=yes
 566    AC_MSG_RESULT(yes)
 567 ], [
 568    have_visibility_hidden=no
 569    AC_MSG_RESULT(no)
 570 ])
 571
 572 LIBGC_CFLAGS=
 573 LIBGC_LIBS=
 574 LIBGC_STATIC_LIBS=
 575 libgc_dir=
 576 case "x$gc" in
 577         xboehm|xbohem|xyes)
 578                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 579                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 580
 581                 if test "x$found_boehm" != "xyes"; then
 582                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 583                 fi
 584                 if test "x$gc_headers" != "xyes"; then
 585                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 586                 fi
 587
 588                 AC_DEFINE(HAVE_BOEHM_GC)
 589                 AC_SUBST(HAVE_BOEHM_GC)
 590                 LIBGC_LIBS="-lgc $libdl"
 591                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 592
 593                 # AC_CHECK_FUNCS does not work for some reason...
 594                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 595                 if test "x$found_gcj_malloc" = "xyes"; then
 596                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 597                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 598                 else
 599                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 600                 fi
 601                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 602                 if test "x$found_gc_enable" = "xyes"; then
 603                         AC_DEFINE(HAVE_GC_ENABLE)
 604                 fi
 605                 ;;
 606
 607         xincluded)
 608                 AC_CONFIG_SUBDIRS(libgc)
 609
 610                 # Pass CPPFLAGS to libgc configure
 611                 # Maybe we should use a separate variable for this to avoid passing useless and
 612                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 613                 export CPPFLAGS
 614
 615                 found_boehm=yes
 616                 gc_headers=yes
 617                 use_included_gc=yes
 618                 libgc_dir=libgc
 619
 620                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 621                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 622                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 623
 624                 AC_DEFINE(HAVE_BOEHM_GC)
 625                 AC_SUBST(HAVE_BOEHM_GC)
 626
 627                 AC_DEFINE(HAVE_GC_H)
 628                 AC_DEFINE(USE_INCLUDED_LIBGC)
 629
 630                 # The included libgc contains GCJ support
 631                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 632                 AC_DEFINE(HAVE_GC_ENABLE)
 633                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 634                 ;;
 635
 636         xsgen)
 637                 found_boehm=no
 638                 gc_headers=no
 639                 use_included_gc=no
 640                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 641                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 642                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 643                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 644                 ;;
 645
 646         xnone)
 647                 AC_MSG_WARN("Compiling mono without GC.")
 648                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 649                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 650                 ;;
 651         *)
 652                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 653                 ;;
 654 esac
 655
 656 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 657 if test "x$large_heap" = "xyes"; then
 658    echo "FOO"
 659    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 660 fi
 661
 662 # tell libgc/configure about what we want
 663 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 664
 665 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 666 AC_SUBST(LIBGC_CFLAGS)
 667 AC_SUBST(LIBGC_LIBS)
 668 AC_SUBST(LIBGC_STATIC_LIBS)
 669 AC_SUBST(libgc_dir)
 670
 671 dnl
 672 dnl End of libgc checks
 673 dnl
 674
 675 if test x$platform_win32 = xno; then
 676
 677         dnl ******************************************************************
 678         dnl *** Checks for the IKVM JNI interface library                  ***
 679         dnl ******************************************************************
 680         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 681
 682         ikvm_native_dir=
 683         if test x$with_ikvm_native = xyes; then
 684                 ikvm_native_dir=ikvm-native
 685                 jdk_headers_found="IKVM Native"
 686         fi
 687
 688         AC_SUBST(ikvm_native_dir)
 689
 690         AC_CHECK_HEADERS(execinfo.h)
 691
 692         AC_CHECK_FUNCS(getgrgid_r)
 693         AC_CHECK_FUNCS(getgrnam_r)
 694         AC_CHECK_FUNCS(getpwnam_r)
 695         AC_CHECK_FUNCS(getpwuid_r)
 696         AC_CHECK_FUNCS(getresuid)
 697         AC_CHECK_FUNCS(setresuid)
 698         AC_CHECK_FUNCS(kqueue)
 699         AC_CHECK_FUNCS(backtrace_symbols)
 700
 701         dnl ******************************************************************
 702         dnl *** Check for large file support                               ***
 703         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 704         dnl ******************************************************************
 705
 706         # Check that off_t can represent 2**63 - 1 correctly, working around
 707         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 708         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 709         large_offt=no
 710         AC_DEFUN([LARGE_FILES], [
 711                 large_CPPFLAGS=$CPPFLAGS
 712                 CPPFLAGS="$CPPFLAGS $1"
 713                 AC_TRY_RUN([
 714                         #include <sys/types.h>
 715
 716                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 717
 718                         int main(void) {
 719                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 720                                                (BIG_OFF_T%2147483647==1));
 721                                 if(big_off_t) {
 722                                         exit(0);
 723                                 } else {
 724                                         exit(1);
 725                                 }
 726                         }
 727                 ], [
 728                         AC_MSG_RESULT(ok)
 729                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 730                         large_CPPFLAGS="$large_CPPFLAGS $1"
 731                         large_offt=yes
 732                 ], [
 733                         AC_MSG_RESULT(no)
 734                 ], "")
 735                 CPPFLAGS=$large_CPPFLAGS
 736         ])
 737
 738         AC_MSG_CHECKING(if off_t is 64 bits wide)
 739         LARGE_FILES("")
 740         if test $large_offt = no; then
 741                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 742                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 743         fi
 744         if test $large_offt = no; then
 745                 AC_MSG_WARN([No 64 bit file size support available])
 746         fi
 747
 748         dnl *****************************
 749         dnl *** Checks for libsocket  ***
 750         dnl *****************************
 751         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 752
 753         dnl *******************************
 754         dnl *** Checks for MSG_NOSIGNAL ***
 755         dnl *******************************
 756         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 757         AC_TRY_COMPILE([#include <sys/socket.h>], [
 758                 int f = MSG_NOSIGNAL;
 759         ], [
 760                 # Yes, we have it...
 761                 AC_MSG_RESULT(yes)
 762                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 763         ], [
 764                 # We'll have to use signals
 765                 AC_MSG_RESULT(no)
 766         ])
 767
 768         dnl *****************************
 769         dnl *** Checks for SOL_IP     ***
 770         dnl *****************************
 771         AC_MSG_CHECKING(for SOL_IP)
 772         AC_TRY_COMPILE([#include <netdb.h>], [
 773                 int level = SOL_IP;
 774         ], [
 775                 # Yes, we have it...
 776                 AC_MSG_RESULT(yes)
 777                 AC_DEFINE(HAVE_SOL_IP)
 778         ], [
 779                 # We'll have to use getprotobyname
 780                 AC_MSG_RESULT(no)
 781         ])
 782
 783         dnl *****************************
 784         dnl *** Checks for SOL_IPV6     ***
 785         dnl *****************************
 786         AC_MSG_CHECKING(for SOL_IPV6)
 787         AC_TRY_COMPILE([#include <netdb.h>], [
 788                 int level = SOL_IPV6;
 789         ], [
 790                 # Yes, we have it...
 791                 AC_MSG_RESULT(yes)
 792                 AC_DEFINE(HAVE_SOL_IPV6)
 793         ], [
 794                 # We'll have to use getprotobyname
 795                 AC_MSG_RESULT(no)
 796         ])
 797
 798         dnl *****************************
 799         dnl *** Checks for SOL_TCP    ***
 800         dnl *****************************
 801         AC_MSG_CHECKING(for SOL_TCP)
 802         AC_TRY_COMPILE([#include <netdb.h>], [
 803                 int level = SOL_TCP;
 804         ], [
 805                 # Yes, we have it...
 806                 AC_MSG_RESULT(yes)
 807                 AC_DEFINE(HAVE_SOL_TCP)
 808         ], [
 809                 # We'll have to use getprotobyname
 810                 AC_MSG_RESULT(no)
 811         ])
 812
 813         dnl *****************************
 814         dnl *** Checks for IP_PKTINFO ***
 815         dnl *****************************
 816         AC_MSG_CHECKING(for IP_PKTINFO)
 817         AC_TRY_COMPILE([#include <netdb.h>], [
 818                 int level = IP_PKTINFO;
 819         ], [
 820                 # Yes, we have it...
 821                 AC_MSG_RESULT(yes)
 822                 AC_DEFINE(HAVE_IP_PKTINFO)
 823         ], [
 824                 AC_MSG_RESULT(no)
 825         ])
 826
 827         dnl *****************************
 828     dnl *** Checks for IPV6_PKTINFO ***
 829     dnl *****************************
 830     AC_MSG_CHECKING(for IPV6_PKTINFO)
 831     AC_TRY_COMPILE([#include <netdb.h>], [
 832         int level = IPV6_PKTINFO;
 833     ], [
 834         # Yes, we have it...
 835         AC_MSG_RESULT(yes)
 836         AC_DEFINE(HAVE_IPV6_PKTINFO)
 837     ], [
 838         AC_MSG_RESULT(no)
 839     ])
 840
 841         dnl *********************************
 842         dnl *** Check for struct ip_mreqn ***
 843         dnl *********************************
 844         AC_MSG_CHECKING(for struct ip_mreqn)
 845         AC_TRY_COMPILE([#include <netinet/in.h>], [
 846                 struct ip_mreqn mreq;
 847                 mreq.imr_address.s_addr = 0;
 848         ], [
 849                 # Yes, we have it...
 850                 AC_MSG_RESULT(yes)
 851                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 852         ], [
 853                 # We'll just have to try and use struct ip_mreq
 854                 AC_MSG_RESULT(no)
 855                 AC_MSG_CHECKING(for struct ip_mreq)
 856                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 857                         struct ip_mreq mreq;
 858                         mreq.imr_interface.s_addr = 0;
 859                 ], [
 860                         # Yes, we have it...
 861                         AC_MSG_RESULT(yes)
 862                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 863                 ], [
 864                         # No multicast support
 865                         AC_MSG_RESULT(no)
 866                 ])
 867         ])
 868
 869         dnl **********************************
 870         dnl *** Check for gethostbyname2_r ***
 871         dnl **********************************
 872         AC_MSG_CHECKING(for gethostbyname2_r)
 873                 AC_TRY_LINK([#include <netdb.h>], [
 874                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 875         ], [
 876                 # Yes, we have it...
 877                 AC_MSG_RESULT(yes)
 878                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 879         ], [
 880                 AC_MSG_RESULT(no)
 881         ])
 882
 883         dnl *****************************
 884         dnl *** Checks for libnsl     ***
 885         dnl *****************************
 886         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 887
 888         AC_CHECK_FUNCS(inet_pton inet_aton)
 889
 890         dnl ***********************************************
 891         dnl *** Checks for size of sockaddr_un.sun_path ***
 892         dnl ***********************************************
 893         # AC_CHECK_SIZEOF can't cope with struct members :-(
 894         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 895         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 896                 [AC_TRY_RUN([
 897                         #include <sys/types.h>
 898                         #include <stdio.h>
 899                         #include <sys/un.h>
 900
 901                         int main(void) {
 902                                 struct sockaddr_un sock_un;
 903                                 FILE *f=fopen("conftestval", "w");
 904                                 if(!f) exit(1);
 905                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 906                                 exit(0);
 907                         }
 908                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 909                    cv_mono_sizeof_sunpath=0,
 910                    cv_mono_sizeof_sunpath=0)])dnl
 911         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 912         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 913
 914         dnl *************************************
 915         dnl *** Checks for zero length arrays ***
 916         dnl *************************************
 917         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 918         AC_TRY_COMPILE([
 919                 struct s {
 920                         int  length;
 921                         char data [0];
 922                 };
 923         ], [], [
 924                 AC_MSG_RESULT(yes)
 925                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 926         ], [
 927                 AC_MSG_RESULT(no)
 928                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 929         ])
 930
 931         dnl *****************************
 932         dnl *** Checks for libxnet    ***
 933         dnl *****************************
 934         case "${host}" in
 935                 *solaris* )
 936                         AC_MSG_CHECKING(for Solaris XPG4 support)
 937                         if test -f /usr/lib/libxnet.so; then
 938                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 939                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 940                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 941                                 LIBS="$LIBS -lxnet"
 942                                 AC_MSG_RESULT(yes)
 943                         else
 944                                 AC_MSG_RESULT(no)
 945                         fi
 946
 947                         if test "$GCC" = "yes"; then
 948                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 949                         fi
 950                 ;;
 951         esac
 952
 953         dnl *****************************
 954         dnl *** Checks for libpthread ***
 955         dnl *****************************
 956 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 957 # and libpthread does not exist
 958 #
 959         case "${host}" in
 960                 *-*-*freebsd4*)
 961                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 962                 ;;
 963                 *-*-*freebsd5*)
 964                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 965                 ;;
 966                 *-*-*freebsd6*)
 967                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 968                 ;;
 969                 *)
 970                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 971                 ;;
 972         esac
 973         AC_CHECK_HEADERS(pthread.h)
 974         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 975         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 976         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 977         AC_TRY_COMPILE([ #include <pthread.h>], [
 978                 pthread_mutexattr_t attr;
 979                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 980         ], [
 981                 AC_MSG_RESULT(ok)
 982         ], [
 983                 AC_MSG_RESULT(no)
 984                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 985                 AC_DEFINE(USE_MONO_MUTEX)
 986         ])
 987         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 988         AC_CHECK_FUNCS(pthread_attr_getstack)
 989         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 990
 991         dnl ***********************************
 992         dnl *** Checks for working __thread ***
 993         dnl ***********************************
 994         AC_MSG_CHECKING(for working __thread)
 995         if test "x$with_tls" != "x__thread"; then
 996                 AC_MSG_RESULT(disabled)
 997         else
 998                 AC_TRY_RUN([
 999                         #include <pthread.h>
1000                         __thread int i;
1001                         static int res1, res2;
1002
1003                         void thread_main (void *arg)
1004                         {
1005                                 i = arg;
1006                                 sleep (1);
1007                                 if (arg == 1)
1008                                         res1 = (i == arg);
1009                                 else
1010                                         res2 = (i == arg);
1011                         }
1012
1013                         int main () {
1014                                 pthread_t t1, t2;
1015
1016                                 i = 5;
1017
1018                                 pthread_create (&t1, NULL, thread_main, 1);
1019                                 pthread_create (&t2, NULL, thread_main, 2);
1020
1021                                 pthread_join (t1, NULL);
1022                                 pthread_join (t2, NULL);
1023
1024                                 return !(res1 + res2 == 2);
1025                         }
1026                 ], [
1027                                 AC_MSG_RESULT(yes)
1028                 ], [
1029                                 AC_MSG_RESULT(no)
1030                                 with_tls=pthread
1031                 ])
1032         fi
1033
1034         dnl **************************************
1035         dnl *** Checks for working sigaltstack ***
1036         dnl **************************************
1037         AC_MSG_CHECKING(for working sigaltstack)
1038         if test "x$with_sigaltstack" != "xyes"; then
1039                 AC_MSG_RESULT(disabled)
1040         else
1041                 AC_TRY_RUN([
1042                         #include <stdio.h>
1043                         #include <stdlib.h>
1044                         #include <unistd.h>
1045                         #include <signal.h>
1046                         #include <pthread.h>
1047                         #include <sys/wait.h>
1048                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1049                         #define SA_STACK SA_ONSTACK
1050                         #endif
1051                         static void
1052                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1053                         {
1054                                 exit (0);
1055                         }
1056
1057                         static void *
1058                         loop (void *ignored)
1059                         {
1060                                 char *ptr = NULL;
1061
1062                                 *ptr = 0;
1063                                 return NULL;
1064                         }
1065
1066                         static void
1067                         child ()
1068                         {
1069                                 struct sigaction sa;
1070                                 struct sigaltstack sas;
1071                                 pthread_t id;
1072                                 pthread_attr_t attr;
1073
1074                                 sa.sa_sigaction = sigsegv_signal_handler;
1075                                 sigemptyset (&sa.sa_mask);
1076                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1077                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1078                                         perror ("sigaction");
1079                                         return;
1080                                 }
1081
1082                                 sas.ss_sp = malloc (SIGSTKSZ);
1083                                 sas.ss_size = SIGSTKSZ;
1084                                 sas.ss_flags = 0;
1085                                 if (sigaltstack (&sas, NULL) == -1) {
1086                                         perror ("sigaltstack");
1087                                         return;
1088                                 }
1089
1090                                 pthread_attr_init (&attr);
1091                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1092                                         printf ("pthread_create\n");
1093                                         return;
1094                                 }
1095
1096                                 sleep (100);
1097                         }
1098
1099                         int
1100                         main ()
1101                         {
1102                                 pid_t son;
1103                                 int status;
1104                                 int i;
1105
1106                                 son = fork ();
1107                                 if (son == -1) {
1108                                         return 1;
1109                                 }
1110
1111                                 if (son == 0) {
1112                                         child ();
1113                                         return 0;
1114                                 }
1115
1116                                 for (i = 0; i < 3; ++i) {
1117                                         sleep (1);
1118                                         waitpid (son, &status, WNOHANG);
1119                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1120                                                 return 0;
1121                                 }
1122
1123                                 kill (son, SIGKILL);
1124                                 return 1;
1125                         }
1126
1127                 ], [
1128                                 AC_MSG_RESULT(yes)
1129                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1130                 ], [
1131                                 with_sigaltstack=no
1132                                 AC_MSG_RESULT(no)
1133                 ])
1134         fi
1135
1136         dnl ********************************
1137         dnl *** Checks for semaphore lib ***
1138         dnl ********************************
1139         # 'Real Time' functions on Solaris
1140         # posix4 on Solaris 2.6
1141         # pthread (first!) on Linux
1142         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1143
1144         dnl ********************************
1145         dnl *** Checks for timezone stuff **
1146         dnl ********************************
1147         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1148                 AC_TRY_COMPILE([
1149                         #include <time.h>
1150                         ], [
1151                         struct tm tm;
1152                         tm.tm_gmtoff = 1;
1153                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1154         if test $ac_cv_struct_tm_gmtoff = yes; then
1155                 AC_DEFINE(HAVE_TM_GMTOFF)
1156         else
1157                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1158                         AC_TRY_COMPILE([
1159                                 #include <time.h>
1160                         ], [
1161                                 timezone = 1;
1162                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1163                 if test $ac_cv_var_timezone = yes; then
1164                         AC_DEFINE(HAVE_TIMEZONE)
1165                 else
1166                         AC_ERROR(unable to find a way to determine timezone)
1167                 fi
1168         fi
1169
1170         dnl *********************************
1171         dnl *** Checks for math functions ***
1172         dnl *********************************
1173         LIBS="$LIBS -lm";
1174         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1175                 AC_TRY_LINK([#include <math.h>],
1176                 [ finite(0.0); ],
1177                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1178                 AC_MSG_RESULT(no)))
1179         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1180                 AC_TRY_LINK([#include <math.h>],
1181                 [ isfinite(0.0); ],
1182                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1183                 AC_MSG_RESULT(no)))
1184
1185         dnl ****************************************************************
1186         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1187         dnl *** have it in the library (duh))                            ***
1188         dnl ****************************************************************
1189         AC_CHECK_FUNCS(poll)
1190
1191         dnl *************************
1192         dnl *** Check for signbit ***
1193         dnl *************************
1194         AC_MSG_CHECKING(for signbit)
1195         AC_TRY_LINK([#include <math.h>], [
1196                 int s = signbit(1.0);
1197         ], [
1198                 AC_MSG_RESULT(yes)
1199                 AC_DEFINE(HAVE_SIGNBIT)
1200         ], [
1201                 AC_MSG_RESULT(no)
1202         ])
1203
1204         dnl *********************
1205         dnl *** Check for AIO ***
1206         dnl *********************
1207         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1208         dnl Some systems (FreeBSD at least) may have aio_read
1209         dnl but don't support/define SIGEV_THREAD.
1210         AC_TRY_COMPILE([
1211         #include <sys/signal.h>
1212         ],[
1213         int x = SIGEV_THREAD;
1214         ],[
1215                 ac_cv_c_sigev_thread=yes
1216                 AC_MSG_RESULT(yes)
1217         ],[
1218                 AC_MSG_RESULT(no)
1219         ])
1220
1221         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1222                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1223                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1224                 SIGVAL_PTR="undefined"
1225                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1226                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1227                                         #include <sys/signal.h>
1228                                         ])
1229                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1230                                         #include <sys/signal.h>
1231                                         ])
1232                         if test "$SIGVAL_PTR" = "undefined" ; then
1233                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1234                         fi
1235                 fi
1236                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1237         fi
1238
1239         dnl **********************************
1240         dnl *** epoll                      ***
1241         dnl **********************************
1242         AC_CHECK_HEADERS(sys/epoll.h)
1243         haveepoll=no
1244         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1245         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1246                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1247         fi
1248
1249         dnl ******************************
1250         dnl *** Checks for SIOCGIFCONF ***
1251         dnl ******************************
1252         AC_CHECK_HEADERS(sys/ioctl.h)
1253         AC_CHECK_HEADERS(net/if.h)
1254         AC_MSG_CHECKING(for ifreq)
1255         AC_TRY_COMPILE([
1256                 #include <sys/ioctl.h>
1257                 #include <net/if.h>
1258                 ], [
1259                 struct ifconf ifc;
1260                 struct ifreq *ifr;
1261                 void *x;
1262                 ifc.ifc_len = 0;
1263                 ifc.ifc_buf = NULL;
1264                 x = (void *) &ifr->ifr_addr;
1265                 ],[
1266                         AC_MSG_RESULT(yes)
1267                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1268                 ], [
1269                         AC_MSG_RESULT(no)
1270                 ])
1271         dnl **********************************
1272         dnl *** Checks for MonoPosixHelper ***
1273         dnl **********************************
1274         AC_CHECK_FUNC(setkey, ,
1275                 AC_CHECK_LIB(crypt, setkey, [
1276                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1277                         CRYPT_LIBS="-lcrypt"
1278                 ])
1279         )
1280         AC_SUBST(CRYPT_LIBS)
1281         AC_CHECK_HEADERS(checklist.h)
1282         AC_CHECK_HEADERS(fstab.h)
1283         AC_CHECK_HEADERS(attr/xattr.h)
1284         AC_CHECK_HEADERS(sys/extattr.h)
1285         AC_CHECK_HEADERS(sys/sendfile.h)
1286         AC_CHECK_HEADERS(sys/statvfs.h)
1287         AC_CHECK_HEADERS(sys/vfstab.h)
1288         AC_CHECK_HEADERS(sys/xattr.h)
1289         AC_CHECK_HEADERS(sys/mman.h)
1290         AC_CHECK_FUNCS(getdomainname)
1291         AC_CHECK_FUNCS(setdomainname)
1292         AC_CHECK_FUNCS(fgetgrent)
1293         AC_CHECK_FUNCS(fgetpwent)
1294         AC_CHECK_FUNCS(fgetpwent)
1295         AC_CHECK_FUNCS(getfsstat)
1296         AC_CHECK_FUNCS(lutimes)
1297         AC_CHECK_FUNCS(mremap)
1298         AC_CHECK_FUNCS(remap_file_pages)
1299         AC_CHECK_FUNCS(posix_fadvise)
1300         AC_CHECK_FUNCS(posix_fallocate)
1301         AC_CHECK_FUNCS(posix_madvise)
1302         AC_CHECK_FUNCS(vsnprintf)
1303         AC_CHECK_FUNCS(sendfile)
1304         AC_CHECK_FUNCS(sethostid)
1305         AC_CHECK_FUNCS(statfs)
1306         AC_CHECK_FUNCS(fstatfs)
1307         AC_CHECK_FUNCS(statvfs)
1308         AC_CHECK_FUNCS(fstatvfs)
1309         AC_CHECK_FUNCS(stime)
1310         AC_CHECK_FUNCS(strerror_r)
1311         AC_CHECK_FUNCS(ttyname_r)
1312         AC_CHECK_SIZEOF(size_t)
1313         AC_CHECK_MEMBERS(
1314                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1315                 [#include <sys/types.h>
1316                  #include <dirent.h>])
1317
1318         dnl Favour xattr through glibc, but use libattr if we have to
1319         AC_CHECK_FUNC(lsetxattr, ,
1320                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1321         )
1322         AC_SUBST(XATTR_LIB)
1323
1324         dnl *********************************
1325         dnl *** Check for Console 2.0 I/O ***
1326         dnl *********************************
1327         AC_CHECK_HEADERS([curses.h])
1328         AC_CHECK_HEADERS([term.h], [], [],
1329         [#if HAVE_CURSES_H
1330          #include <curses.h>
1331          #endif
1332         ])
1333         AC_CHECK_HEADERS([termios.h])
1334
1335         dnl * This is provided in io-layer, but on windows it's only available
1336         dnl * on xp+
1337         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1338 else
1339         jdk_headers_found=no
1340         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1341         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1342         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1343         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1344
1345         dnl *********************************
1346         dnl *** Check for struct ip_mreqn ***
1347         dnl *********************************
1348         AC_MSG_CHECKING(for struct ip_mreqn)
1349         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1350                 struct ip_mreqn mreq;
1351                 mreq.imr_address.s_addr = 0;
1352         ], [
1353                 # Yes, we have it...
1354                 AC_MSG_RESULT(yes)
1355                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1356         ], [
1357                 # We'll just have to try and use struct ip_mreq
1358                 AC_MSG_RESULT(no)
1359                 AC_MSG_CHECKING(for struct ip_mreq)
1360                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1361                         struct ip_mreq mreq;
1362                         mreq.imr_interface.s_addr = 0;
1363                 ], [
1364                         # Yes, we have it...
1365                         AC_MSG_RESULT(yes)
1366                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1367                 ], [
1368                         # No multicast support
1369                         AC_MSG_RESULT(no)
1370                 ])
1371         ])
1372         AC_CHECK_FUNCS(GetProcessId)
1373 fi
1374
1375 dnl socklen_t check
1376 AC_MSG_CHECKING(for socklen_t)
1377 AC_TRY_COMPILE([
1378 #include <sys/types.h>
1379 #include <sys/socket.h>
1380 ],[
1381   socklen_t foo;
1382 ],[
1383 ac_cv_c_socklen_t=yes
1384         AC_DEFINE(HAVE_SOCKLEN_T)
1385         AC_MSG_RESULT(yes)
1386 ],[
1387         AC_MSG_RESULT(no)
1388 ])
1389
1390 AC_MSG_CHECKING(for array element initalizer support)
1391 AC_TRY_COMPILE([#include <sys/socket.h>], [
1392         const int array[] = {[1] = 2,};
1393 ], [
1394         # Yes, we have it...
1395         AC_MSG_RESULT(yes)
1396         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1397 ], [
1398         # We'll have to use signals
1399         AC_MSG_RESULT(no)
1400 ])
1401
1402 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1403         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1404         AC_TRY_LINK([#include <math.h>],
1405         [ static void *p = &trunc; ],
1406         [
1407                 AC_DEFINE(HAVE_TRUNC)
1408                 AC_MSG_RESULT(yes)
1409                 ac_cv_trunc=yes
1410         ],
1411         AC_MSG_RESULT(no)))
1412
1413 if test "x$ac_cv_truncl" != "xyes"; then
1414    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1415 fi
1416
1417 dnl ****************************
1418 dnl *** Look for /dev/random ***
1419 dnl ****************************
1420
1421 AC_MSG_CHECKING([if usage of random device is requested])
1422 AC_ARG_ENABLE(dev-random,
1423 [  --disable-dev-random    disable the use of the random device],
1424 try_dev_random=$enableval, try_dev_random=yes)
1425 AC_MSG_RESULT($try_dev_random)
1426
1427 case "{$target}" in
1428     *-openbsd*)
1429     NAME_DEV_RANDOM="/dev/srandom"
1430     ;;
1431
1432 dnl Win32 does not have /dev/random, they have their own method...
1433
1434     *-*-mingw*|*-*-cygwin*)
1435     ac_cv_have_dev_random=no
1436     ;;
1437
1438 dnl Everywhere else, it's /dev/random
1439
1440     *)
1441     NAME_DEV_RANDOM="/dev/random"
1442     ;;
1443 esac
1444
1445 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1446
1447 dnl Now check if the device actually exists
1448
1449 if test "x$try_dev_random" = "xyes"; then
1450     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1451     [if test -r "$NAME_DEV_RANDOM" ; then
1452         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1453     if test "x$ac_cv_have_dev_random" = "xyes"; then
1454         AC_DEFINE(HAVE_CRYPT_RNG)
1455     fi
1456 else
1457     AC_MSG_CHECKING(for random device)
1458     ac_cv_have_dev_random=no
1459     AC_MSG_RESULT(has been disabled)
1460 fi
1461
1462 if test "x$platform_win32" = "xyes"; then
1463     AC_DEFINE(HAVE_CRYPT_RNG)
1464 fi
1465
1466 if test "x$ac_cv_have_dev_random" = "xno" \
1467     && test "x$platform_win32" = "xno"; then
1468     AC_MSG_WARN([[
1469 ***
1470 *** A system-provided entropy source was not found on this system.
1471 *** Because of this, the System.Security.Cryptography random number generator
1472 *** will throw a NotImplemented exception.
1473 ***
1474 *** If you are seeing this message, and you know your system DOES have an
1475 *** entropy collection in place, please contact <crichton@gimp.org> and
1476 *** provide information about the system and how to access the random device.
1477 ***
1478 *** Otherwise you can install either egd or prngd and set the environment
1479 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1480 ***]])
1481 fi
1482
1483 AC_MSG_CHECKING([if inter-process shared handles are requested])
1484 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1485 AC_MSG_RESULT($try_shared_handles)
1486 if test "x$try_shared_handles" != "xyes"; then
1487         AC_DEFINE(DISABLE_SHARED_HANDLES)
1488         AC_SUBST(DISABLE_SHARED_HANDLES)
1489 fi
1490
1491 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1492 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1493
1494 TARGET="unknown"
1495 ACCESS_UNALIGNED="yes"
1496
1497 JIT_SUPPORTED=no
1498 INTERP_SUPPORTED=no
1499 LIBC="libc.so.6"
1500 INTL="libc.so.6"
1501 SQLITE="libsqlite.so.0"
1502 SQLITE3="libsqlite3.so.0"
1503 X11="libX11.so"
1504
1505 jit_wanted=false
1506 interp_wanted=false
1507 case "$host" in
1508 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1509 #               TARGET=MIPS;
1510 #               ACCESS_UNALIGNED="no"
1511 #               ;;
1512         i*86-*-*)
1513                 TARGET=X86;
1514                 arch_target=x86;
1515                 JIT_SUPPORTED=yes
1516                 jit_wanted=true
1517                 case $host_os in
1518                   solaris*)
1519                         LIBC="libc.so"
1520                         INTL="libintl.so"
1521
1522                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1523                         # int astruct __attribute__ ((visibility ("hidden")));
1524                         # void foo ()
1525                         # {
1526                         #       void *p = &astruct;
1527                         # }
1528                         # gcc -fPIC --shared -o libfoo.so foo.c
1529                         # yields:
1530                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1531                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1532                         have_visibility_hidden=no
1533                 esac
1534                 ;;
1535         x86_64-*-* | amd64-*-*)
1536                 TARGET=AMD64;
1537                 arch_target=amd64;
1538                 JIT_SUPPORTED=yes
1539                 jit_wanted=true
1540                 ;;
1541         ia64-*-*)
1542                 TARGET=IA64
1543                 arch_target=ia64
1544                 ACCESS_UNALIGNED="no"
1545                 JIT_SUPPORTED=yes
1546                 jit_wanted=true
1547                 LIBC="libc.so.6.1"
1548                 INTL="libc.so.6.1"
1549                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1550                 libmono_ldflags="-lunwind"
1551                 ;;
1552         sparc*-*-*)
1553                 if test "x$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 $host_os in
1562                   linux*) ;;
1563                   *)
1564                         LIBC="libc.so"
1565                         INTL="libintl.so"
1566                 esac
1567                 jit_wanted=true
1568                 if test x"$GCC" = xyes; then
1569                         # We don't support v8 cpus
1570                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1571                 fi
1572                 if test x"$AR" = xfalse; then
1573                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1574                 fi
1575                 ;;
1576        alpha*-*-linux* | alpha*-*-osf*)
1577                 TARGET=ALPHA;
1578                 ACCESS_UNALIGNED="no"
1579                 JIT_SUPPORTED=no
1580                 INTERP_SUPPORTED=yes
1581                 interp_wanted=true
1582                 arch_target=alpha;
1583                 case $host_os in
1584                   linux*)
1585                         LIBC="libc.so.6.1"
1586                         INTL="libc.so.6.1"
1587                 esac
1588                ;;
1589         *-*-mingw*|*-*-cygwin*)
1590                 INTL="intl"
1591                 ;;
1592         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1593                 TARGET=HPPA;
1594                 arch_target=hppa;
1595                 LIBC="libc.sl"
1596                 ACCESS_UNALIGNED="no"
1597                 INTERP_SUPPORTED=yes
1598                 interp_wanted=true
1599                 ;;
1600         hppa*linux*)
1601                 TARGET=HPPA;
1602                 arch_target=hppa;
1603                 ACCESS_UNALIGNED="no"
1604                 INTERP_SUPPORTED=yes
1605                 interp_wanted=true
1606                 ;;
1607         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1608         powerpc-*-sysv* | powerpc-*-darwin*)
1609                 TARGET=POWERPC;
1610                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1611                 arch_target=ppc;
1612                 JIT_SUPPORTED=yes
1613                 jit_wanted=true
1614                 ;;
1615         arm*-linux*)
1616                 TARGET=ARM;
1617                 arch_target=arm;
1618                 ACCESS_UNALIGNED="no"
1619                 JIT_SUPPORTED=yes
1620                 jit_wanted=true
1621                 ;;
1622         s390-*-linux*)
1623                 TARGET=S390;
1624                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1625                 arch_target=s390;
1626                 ACCESS_UNALIGNED="no"
1627                 JIT_SUPPORTED=yes
1628                 jit_wanted=true
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                 ;;
1638 esac
1639
1640 if test "x$have_visibility_hidden" = "xyes"; then
1641    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1642 fi
1643
1644 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1645         if test x$withval = xyes; then
1646            jit_wanted=true
1647         else
1648            jit_wanted=false
1649         fi
1650 ])
1651
1652 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1653         if test x$withval = xyes; then
1654            interp_wanted=true
1655         else
1656            interp_wanted=false
1657         fi
1658 ])
1659
1660 USEJIT=false
1661 if test x$JIT_SUPPORTED = xyes; then
1662    if $jit_wanted; then
1663       USEJIT=true
1664       jit_status="Building and using the JIT"
1665    else
1666       if $interp_wanted; then
1667          jit_status="Building the JIT, defaulting to the interpreter"
1668       else
1669          AC_ERROR(No JIT or interpreter support available or selected.)
1670       fi
1671    fi
1672 else
1673    if test x$interp_wanted = xtrue; then
1674       jit_status="interpreter"
1675    else
1676       AC_ERROR(No JIT or interpreter support available or selected.)
1677    fi
1678 fi
1679
1680 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1681
1682 libsuffix=".so"
1683
1684 case "$host" in
1685      *-*-darwin*)
1686         libsuffix=".dylib"
1687         LIBC="libc.dylib"
1688         INTL="libintl.dylib"
1689         SQLITE="libsqlite.0.dylib"
1690         SQLITE3="libsqlite3.0.dylib"
1691         X11="libX11.dylib"
1692         ;;
1693      *-*-*netbsd*)
1694         LIBC="libc.so.12"
1695         INTL="libintl.so.0"
1696         ;;
1697     *-*-*freebsd*)
1698         LIBC="libc.so"
1699         INTL="libintl.so"
1700         ;;
1701     *-*-*openbsd*)
1702         LIBC="libc.so"
1703         INTL="libintl.so"
1704         ;;
1705     *-*-*linux*)
1706         AC_PATH_X
1707         AC_MSG_CHECKING(for the soname of libX11.so)
1708         for i in $x_libraries /usr/lib /usr/lib64; do
1709                 for r in 4 5 6; do
1710                         if test -f $i/libX11.so.$r; then
1711                                 X11=libX11.so.$r
1712                                 AC_MSG_RESULT($X11)
1713                         fi
1714                 done
1715         done
1716
1717         if test "x$X11" = "xlibX11.so"; then
1718                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1719         fi
1720         ;;
1721 esac
1722
1723
1724 AC_SUBST(libsuffix)
1725
1726 if test "x$TARGET" != "xAMD64"; then
1727    # valgrind headers don't compile under x86-64
1728    AC_CHECK_HEADERS(valgrind/memcheck.h)
1729 fi
1730
1731 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1732         if test "x$with_tls" = "x__thread"; then
1733                 #
1734                 # On some linux distributions, TLS works in executables, but linking
1735                 # against a shared library containing TLS fails with:
1736                 # undefined reference to `__tls_get_addr'
1737                 #
1738                 rm -f conftest.c conftest.so conftest
1739                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1740                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1741                 $CC -o conftest conftest.so > /dev/null 2>&1
1742                 if test ! -f conftest; then
1743                    AC_MSG_WARN([Disabling usage of __thread.]);
1744                    with_tls=pthread
1745                 fi
1746                 rm -f conftest.c conftest.so conftest
1747         fi
1748 fi
1749
1750 mono_debugger_supported=no
1751 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1752         if test x$use_included_gc = xyes; then
1753                 case "$host" in
1754                 *-*-*linux*)
1755                         mono_debugger_supported=yes
1756                         ;;
1757                 esac
1758         fi
1759 fi
1760
1761 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1762 if test "x$mono_debugger_supported" = "xyes"; then
1763         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1764 fi
1765 AC_MSG_RESULT($mono_debugger_supported)
1766 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1767
1768 if test "x$with_tls" = "x__thread"; then
1769         AC_DEFINE(HAVE_KW_THREAD)
1770         # Pass the information to libgc
1771         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1772         AC_MSG_CHECKING(if the tls_model attribute is supported)
1773         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1774                 ], [
1775                         AC_MSG_RESULT(yes)
1776                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1777                 ], [
1778                         AC_MSG_RESULT(no)
1779         ])
1780 fi
1781
1782 if test ${TARGET} = ARM; then
1783         dnl ******************************************
1784         dnl *** Check to see what FPU is available ***
1785         dnl ******************************************
1786         AC_MSG_CHECKING(which FPU to use)
1787
1788         AC_TRY_COMPILE([], [
1789                 __asm__ ("ldfd f0, [r0]");
1790                 ], fpu=FPA, [
1791                         AC_TRY_COMPILE([], [
1792                                 __asm__ ("fldd d0, [r0]");
1793                         ], fpu=VFP, fpu=NONE)
1794                 ])
1795
1796         AC_MSG_RESULT($fpu)
1797         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1798         unset fpu
1799 fi
1800
1801 if test ${TARGET} = unknown; then
1802         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1803         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1804 fi
1805
1806 if test ${ACCESS_UNALIGNED} = no; then
1807         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1808 fi
1809
1810 PREVIEW=yes
1811 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1812         if test x$with_preview = xno; then
1813               PREVIEW=no
1814         fi
1815 ])
1816
1817 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1818
1819 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1820 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1821 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1822 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1823 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1824 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1825 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1826 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1827 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1828 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1829 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1830 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1831 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1832 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1833
1834 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1835 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1836 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1837
1838 AC_SUBST(LIBC)
1839 AC_SUBST(INTL)
1840 AC_SUBST(SQLITE)
1841 AC_SUBST(SQLITE3)
1842 AC_SUBST(X11)
1843
1844 AC_SUBST(arch_target)
1845 AC_SUBST(CFLAGS)
1846 AC_SUBST(CPPFLAGS)
1847 AC_SUBST(LDFLAGS)
1848
1849 mono_build_root=`pwd`
1850 AC_SUBST(mono_build_root)
1851
1852 if test x$USEJIT = xtrue; then
1853   mono_runtime=mono/mini/mono
1854 else
1855   mono_runtime=mono/interpreter/mint
1856 fi
1857 AC_SUBST(mono_runtime)
1858
1859 mono_cfg_root=$mono_build_root/runtime
1860 if test x$platform_win32 = xyes; then
1861   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1862 else
1863   mono_cfg_dir=$mono_cfg_root/etc
1864 fi
1865 AC_SUBST(mono_cfg_dir)
1866
1867 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1868 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1869 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1870
1871 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1872 [   depth=../../../..
1873     case $srcdir in
1874     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1875     .) reldir=$depth ;;
1876     *) reldir=$depth/$srcdir ;;
1877     esac
1878     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1879     cd runtime/etc/mono/1.0
1880     rm -f machine.config
1881     $LN_S $reldir/data/net_1_1/machine.config machine.config
1882     cd $depth
1883 ],[LN_S='$LN_S'])
1884
1885 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1886 [   depth=../../../..
1887     case $srcdir in
1888     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1889     .) reldir=$depth ;;
1890     *) reldir=$depth/$srcdir ;;
1891     esac
1892     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1893     cd runtime/etc/mono/2.0
1894     rm -f machine.config
1895     $LN_S $reldir/data/net_2_0/machine.config machine.config
1896     cd $depth
1897 ],[LN_S='$LN_S'])
1898
1899 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1900 [   depth=../../../..
1901     case $srcdir in
1902     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1903     .) reldir=$depth ;;
1904     *) reldir=$depth/$srcdir ;;
1905     esac
1906     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1907     cd runtime/etc/mono/2.0
1908     rm -f web.config
1909     $LN_S $reldir/data/net_2_0/web.config web.config
1910     cd $depth
1911 ],[LN_S='$LN_S'])
1912
1913 AC_OUTPUT([
1914 Makefile
1915 mint.pc
1916 mono.pc
1917 mono-cairo.pc
1918 dotnet.pc
1919 mono-uninstalled.pc
1920 scripts/mono-nunit.pc
1921 scripts/mono-find-provides
1922 scripts/mono-find-requires
1923 mono/Makefile
1924 mono/utils/Makefile
1925 mono/metadata/Makefile
1926 mono/dis/Makefile
1927 mono/cil/Makefile
1928 mono/arch/Makefile
1929 mono/os/Makefile
1930 mono/arch/x86/Makefile
1931 mono/arch/amd64/Makefile
1932 mono/arch/hppa/Makefile
1933 mono/arch/ppc/Makefile
1934 mono/arch/sparc/Makefile
1935 mono/arch/s390/Makefile
1936 mono/arch/s390x/Makefile
1937 mono/arch/arm/Makefile
1938 mono/arch/alpha/Makefile
1939 mono/arch/ia64/Makefile
1940 mono/interpreter/Makefile
1941 mono/tests/Makefile
1942 mono/tests/tests-config
1943 mono/tests/cas/Makefile
1944 mono/tests/cas/assembly/Makefile
1945 mono/tests/cas/demand/Makefile
1946 mono/tests/cas/inheritance/Makefile
1947 mono/tests/cas/linkdemand/Makefile
1948 mono/tests/cas/threads/Makefile
1949 mono/benchmark/Makefile
1950 mono/monoburg/Makefile
1951 mono/monograph/Makefile
1952 mono/io-layer/Makefile
1953 mono/mini/Makefile
1954 mono/profiler/Makefile
1955 ikvm-native/Makefile
1956 scripts/Makefile
1957 man/Makefile
1958 web/Makefile
1959 docs/Makefile
1960 data/Makefile
1961 data/net_1_1/Makefile
1962 data/net_2_0/Makefile
1963 samples/Makefile
1964 support/Makefile
1965 data/config
1966 tools/Makefile
1967 tools/locale-builder/Makefile
1968 runtime/Makefile
1969 ])
1970
1971 if test x$platform_win32 = xyes; then
1972    # Get rid of 'cyg' prefixes in library names
1973    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1974    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1975    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1976    # executable doesn't work...
1977    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1978 fi
1979
1980 (
1981   case $prefix in
1982   NONE) prefix=$ac_default_prefix ;;
1983   esac
1984   case $exec_prefix in
1985   NONE) exec_prefix='${prefix}' ;;
1986   esac
1987
1988   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1989
1990   #
1991   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1992   # any existing config.make.  This allows people to share the same source tree
1993   # with different build directories, one native and one cross
1994   #
1995   if test x$cross_compiling = xno; then
1996     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1997     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1998     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1999     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2000     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2001     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2002     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2003
2004     case $INSTALL in
2005     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2006     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2007     esac
2008
2009     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2010
2011     export VERSION
2012     [myver=$($AWK 'BEGIN {
2013       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2014       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2015     }')]
2016
2017     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2018   fi
2019 )
2020
2021 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2022
2023 echo "
2024         mcs source:  $mcs_topdir
2025         GC:          $gc
2026         TLS:         $with_tls
2027         SIGALTSTACK: $with_sigaltstack
2028         Engine:      $jit_status
2029         2.0 Alpha:   $PREVIEW
2030         JNI support: $jdk_headers_found
2031         libgdiplus:  $libgdiplus_msg
2032         $disabled
2033
2034 "
2035 if test x$gc = xsgen; then
2036         echo IMPORTANT:
2037         echo IMPORTANT: You have selected an experimental, work-in-progress
2038         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2039         echo IMPORTANT: and is not yet ready for use.
2040         echo IMPORTANT:
2041         echo IMPORTANT: There are known problems with it, use at your own risk.
2042 fi