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$mono_feature_disable_generics" = "xyes"; then
 557         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 558 fi
 559
 560 AC_MSG_CHECKING(for visibility __attribute__)
 561 AC_TRY_COMPILE([], [
 562    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 563    void main () { doit (); }
 564 ], [
 565    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
 566    AC_MSG_RESULT(yes)
 567 ], [
 568    AC_MSG_RESULT(no)
 569 ])
 570
 571 LIBGC_CFLAGS=
 572 LIBGC_LIBS=
 573 LIBGC_STATIC_LIBS=
 574 libgc_dir=
 575 case "x$gc" in
 576         xboehm|xbohem|xyes)
 577                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 578                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 579
 580                 if test "x$found_boehm" != "xyes"; then
 581                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 582                 fi
 583                 if test "x$gc_headers" != "xyes"; then
 584                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 585                 fi
 586
 587                 AC_DEFINE(HAVE_BOEHM_GC)
 588                 AC_SUBST(HAVE_BOEHM_GC)
 589                 LIBGC_LIBS="-lgc $libdl"
 590                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 591
 592                 # AC_CHECK_FUNCS does not work for some reason...
 593                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 594                 if test "x$found_gcj_malloc" = "xyes"; then
 595                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 596                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 597                 else
 598                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 599                 fi
 600                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 601                 if test "x$found_gc_enable" = "xyes"; then
 602                         AC_DEFINE(HAVE_GC_ENABLE)
 603                 fi
 604                 ;;
 605
 606         xincluded)
 607                 AC_CONFIG_SUBDIRS(libgc)
 608
 609                 found_boehm=yes
 610                 gc_headers=yes
 611                 use_included_gc=yes
 612                 libgc_dir=libgc
 613
 614                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 615                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 616                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 617
 618                 AC_DEFINE(HAVE_BOEHM_GC)
 619                 AC_SUBST(HAVE_BOEHM_GC)
 620
 621                 AC_DEFINE(HAVE_GC_H)
 622                 AC_DEFINE(USE_INCLUDED_LIBGC)
 623
 624                 # The included libgc contains GCJ support
 625                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 626                 AC_DEFINE(HAVE_GC_ENABLE)
 627                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 628                 ;;
 629
 630 dnl     xsgen)
 631 dnl             found_boehm=no
 632 dnl             gc_headers=no
 633 dnl             use_included_gc=no
 634 dnl             AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 635 dnl             AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 636 dnl             AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 637 dnl             AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 638 dnl             ;;
 639
 640         xnone)
 641                 AC_MSG_WARN("Compiling mono without GC.")
 642                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 643                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 644                 ;;
 645         *)
 646                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 647                 ;;
 648 esac
 649
 650 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 651 if test "x$large_heap" = "xyes"; then
 652    echo "FOO"
 653    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 654 fi
 655
 656 # tell libgc/configure about what we want
 657 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 658
 659 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 660 AC_SUBST(LIBGC_CFLAGS)
 661 AC_SUBST(LIBGC_LIBS)
 662 AC_SUBST(LIBGC_STATIC_LIBS)
 663 AC_SUBST(libgc_dir)
 664
 665 dnl
 666 dnl End of libgc checks
 667 dnl
 668
 669 if test x$platform_win32 = xno; then
 670
 671         dnl ******************************************************************
 672         dnl *** Checks for the IKVM JNI interface library                  ***
 673         dnl ******************************************************************
 674         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 675
 676         ikvm_native_dir=
 677         if test x$with_ikvm_native = xyes; then
 678                 ikvm_native_dir=ikvm-native
 679                 jdk_headers_found="IKVM Native"
 680         fi
 681
 682         AC_SUBST(ikvm_native_dir)
 683
 684         AC_CHECK_HEADERS(execinfo.h)
 685
 686         AC_CHECK_FUNCS(getgrgid_r)
 687         AC_CHECK_FUNCS(getgrnam_r)
 688         AC_CHECK_FUNCS(getpwnam_r)
 689         AC_CHECK_FUNCS(getpwuid_r)
 690         AC_CHECK_FUNCS(getresuid)
 691         AC_CHECK_FUNCS(setresuid)
 692         AC_CHECK_FUNCS(kqueue)
 693         AC_CHECK_FUNCS(backtrace_symbols)
 694
 695         dnl ******************************************************************
 696         dnl *** Check for large file support                               ***
 697         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 698         dnl ******************************************************************
 699
 700         # Check that off_t can represent 2**63 - 1 correctly, working around
 701         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 702         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 703         large_offt=no
 704         AC_DEFUN([LARGE_FILES], [
 705                 large_CPPFLAGS=$CPPFLAGS
 706                 CPPFLAGS="$CPPFLAGS $1"
 707                 AC_TRY_RUN([
 708                         #include <sys/types.h>
 709
 710                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 711
 712                         int main(void) {
 713                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 714                                                (BIG_OFF_T%2147483647==1));
 715                                 if(big_off_t) {
 716                                         exit(0);
 717                                 } else {
 718                                         exit(1);
 719                                 }
 720                         }
 721                 ], [
 722                         AC_MSG_RESULT(ok)
 723                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 724                         large_CPPFLAGS="$large_CPPFLAGS $1"
 725                         large_offt=yes
 726                 ], [
 727                         AC_MSG_RESULT(no)
 728                 ], "")
 729                 CPPFLAGS=$large_CPPFLAGS
 730         ])
 731
 732         AC_MSG_CHECKING(if off_t is 64 bits wide)
 733         LARGE_FILES("")
 734         if test $large_offt = no; then
 735                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 736                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 737         fi
 738         if test $large_offt = no; then
 739                 AC_MSG_WARN([No 64 bit file size support available])
 740         fi
 741
 742         dnl *****************************
 743         dnl *** Checks for libsocket  ***
 744         dnl *****************************
 745         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 746
 747         dnl *******************************
 748         dnl *** Checks for MSG_NOSIGNAL ***
 749         dnl *******************************
 750         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 751         AC_TRY_COMPILE([#include <sys/socket.h>], [
 752                 int f = MSG_NOSIGNAL;
 753         ], [
 754                 # Yes, we have it...
 755                 AC_MSG_RESULT(yes)
 756                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 757         ], [
 758                 # We'll have to use signals
 759                 AC_MSG_RESULT(no)
 760         ])
 761
 762         dnl *****************************
 763         dnl *** Checks for SOL_IP     ***
 764         dnl *****************************
 765         AC_MSG_CHECKING(for SOL_IP)
 766         AC_TRY_COMPILE([#include <netdb.h>], [
 767                 int level = SOL_IP;
 768         ], [
 769                 # Yes, we have it...
 770                 AC_MSG_RESULT(yes)
 771                 AC_DEFINE(HAVE_SOL_IP)
 772         ], [
 773                 # We'll have to use getprotobyname
 774                 AC_MSG_RESULT(no)
 775         ])
 776
 777         dnl *****************************
 778         dnl *** Checks for SOL_IPV6     ***
 779         dnl *****************************
 780         AC_MSG_CHECKING(for SOL_IPV6)
 781         AC_TRY_COMPILE([#include <netdb.h>], [
 782                 int level = SOL_IPV6;
 783         ], [
 784                 # Yes, we have it...
 785                 AC_MSG_RESULT(yes)
 786                 AC_DEFINE(HAVE_SOL_IPV6)
 787         ], [
 788                 # We'll have to use getprotobyname
 789                 AC_MSG_RESULT(no)
 790         ])
 791
 792         dnl *****************************
 793         dnl *** Checks for SOL_TCP    ***
 794         dnl *****************************
 795         AC_MSG_CHECKING(for SOL_TCP)
 796         AC_TRY_COMPILE([#include <netdb.h>], [
 797                 int level = SOL_TCP;
 798         ], [
 799                 # Yes, we have it...
 800                 AC_MSG_RESULT(yes)
 801                 AC_DEFINE(HAVE_SOL_TCP)
 802         ], [
 803                 # We'll have to use getprotobyname
 804                 AC_MSG_RESULT(no)
 805         ])
 806
 807         dnl *****************************
 808         dnl *** Checks for IP_PKTINFO ***
 809         dnl *****************************
 810         AC_MSG_CHECKING(for IP_PKTINFO)
 811         AC_TRY_COMPILE([#include <netdb.h>], [
 812                 int level = IP_PKTINFO;
 813         ], [
 814                 # Yes, we have it...
 815                 AC_MSG_RESULT(yes)
 816                 AC_DEFINE(HAVE_IP_PKTINFO)
 817         ], [
 818                 AC_MSG_RESULT(no)
 819         ])
 820
 821         dnl *****************************
 822     dnl *** Checks for IPV6_PKTINFO ***
 823     dnl *****************************
 824     AC_MSG_CHECKING(for IPV6_PKTINFO)
 825     AC_TRY_COMPILE([#include <netdb.h>], [
 826         int level = IPV6_PKTINFO;
 827     ], [
 828         # Yes, we have it...
 829         AC_MSG_RESULT(yes)
 830         AC_DEFINE(HAVE_IPV6_PKTINFO)
 831     ], [
 832         AC_MSG_RESULT(no)
 833     ])
 834
 835         dnl *********************************
 836         dnl *** Check for struct ip_mreqn ***
 837         dnl *********************************
 838         AC_MSG_CHECKING(for struct ip_mreqn)
 839         AC_TRY_COMPILE([#include <netinet/in.h>], [
 840                 struct ip_mreqn mreq;
 841                 mreq.imr_address.s_addr = 0;
 842         ], [
 843                 # Yes, we have it...
 844                 AC_MSG_RESULT(yes)
 845                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 846         ], [
 847                 # We'll just have to try and use struct ip_mreq
 848                 AC_MSG_RESULT(no)
 849                 AC_MSG_CHECKING(for struct ip_mreq)
 850                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 851                         struct ip_mreq mreq;
 852                         mreq.imr_interface.s_addr = 0;
 853                 ], [
 854                         # Yes, we have it...
 855                         AC_MSG_RESULT(yes)
 856                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 857                 ], [
 858                         # No multicast support
 859                         AC_MSG_RESULT(no)
 860                 ])
 861         ])
 862
 863         dnl **********************************
 864         dnl *** Check for gethostbyname2_r ***
 865         dnl **********************************
 866         AC_MSG_CHECKING(for gethostbyname2_r)
 867                 AC_TRY_LINK([#include <netdb.h>], [
 868                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 869         ], [
 870                 # Yes, we have it...
 871                 AC_MSG_RESULT(yes)
 872                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 873         ], [
 874                 AC_MSG_RESULT(no)
 875         ])
 876
 877         dnl *****************************
 878         dnl *** Checks for libnsl     ***
 879         dnl *****************************
 880         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 881
 882         AC_CHECK_FUNCS(inet_pton inet_aton)
 883
 884         dnl ***********************************************
 885         dnl *** Checks for size of sockaddr_un.sun_path ***
 886         dnl ***********************************************
 887         # AC_CHECK_SIZEOF can't cope with struct members :-(
 888         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 889         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 890                 [AC_TRY_RUN([
 891                         #include <sys/types.h>
 892                         #include <stdio.h>
 893                         #include <sys/un.h>
 894
 895                         int main(void) {
 896                                 struct sockaddr_un sock_un;
 897                                 FILE *f=fopen("conftestval", "w");
 898                                 if(!f) exit(1);
 899                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 900                                 exit(0);
 901                         }
 902                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 903                    cv_mono_sizeof_sunpath=0,
 904                    cv_mono_sizeof_sunpath=0)])dnl
 905         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 906         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 907
 908         dnl *************************************
 909         dnl *** Checks for zero length arrays ***
 910         dnl *************************************
 911         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 912         AC_TRY_COMPILE([
 913                 struct s {
 914                         int  length;
 915                         char data [0];
 916                 };
 917         ], [], [
 918                 AC_MSG_RESULT(yes)
 919                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 920         ], [
 921                 AC_MSG_RESULT(no)
 922                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 923         ])
 924
 925         dnl *****************************
 926         dnl *** Checks for libxnet    ***
 927         dnl *****************************
 928         case "${host}" in
 929                 *solaris* )
 930                         AC_MSG_CHECKING(for Solaris XPG4 support)
 931                         if test -f /usr/lib/libxnet.so; then
 932                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 933                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 934                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 935                                 LIBS="$LIBS -lxnet"
 936                                 AC_MSG_RESULT(yes)
 937                         else
 938                                 AC_MSG_RESULT(no)
 939                         fi
 940
 941                         if test "$GCC" = "yes"; then
 942                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 943                         fi
 944                 ;;
 945         esac
 946
 947         dnl *****************************
 948         dnl *** Checks for libpthread ***
 949         dnl *****************************
 950 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 951 # and libpthread does not exist
 952 #
 953         case "${host}" in
 954                 *-*-*freebsd4*)
 955                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 956                 ;;
 957                 *-*-*freebsd5*)
 958                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 959                 ;;
 960                 *-*-*freebsd6*)
 961                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 962                 ;;
 963                 *)
 964                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 965                 ;;
 966         esac
 967         AC_CHECK_HEADERS(pthread.h)
 968         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 969         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 970         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 971         AC_TRY_COMPILE([ #include <pthread.h>], [
 972                 pthread_mutexattr_t attr;
 973                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 974         ], [
 975                 AC_MSG_RESULT(ok)
 976         ], [
 977                 AC_MSG_RESULT(no)
 978                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 979                 AC_DEFINE(USE_MONO_MUTEX)
 980         ])
 981         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 982         AC_CHECK_FUNCS(pthread_attr_getstack)
 983         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 984
 985         dnl ***********************************
 986         dnl *** Checks for working __thread ***
 987         dnl ***********************************
 988         AC_MSG_CHECKING(for working __thread)
 989         if test "x$with_tls" != "x__thread"; then
 990                 AC_MSG_RESULT(disabled)
 991         else
 992                 AC_TRY_RUN([
 993                         #include <pthread.h>
 994                         __thread int i;
 995                         static int res1, res2;
 996
 997                         void thread_main (void *arg)
 998                         {
 999                                 i = arg;
1000                                 sleep (1);
1001                                 if (arg == 1)
1002                                         res1 = (i == arg);
1003                                 else
1004                                         res2 = (i == arg);
1005                         }
1006
1007                         int main () {
1008                                 pthread_t t1, t2;
1009
1010                                 i = 5;
1011
1012                                 pthread_create (&t1, NULL, thread_main, 1);
1013                                 pthread_create (&t2, NULL, thread_main, 2);
1014
1015                                 pthread_join (t1, NULL);
1016                                 pthread_join (t2, NULL);
1017
1018                                 return !(res1 + res2 == 2);
1019                         }
1020                 ], [
1021                                 AC_MSG_RESULT(yes)
1022                 ], [
1023                                 AC_MSG_RESULT(no)
1024                                 with_tls=pthread
1025                 ])
1026         fi
1027
1028         dnl **************************************
1029         dnl *** Checks for working sigaltstack ***
1030         dnl **************************************
1031         AC_MSG_CHECKING(for working sigaltstack)
1032         if test "x$with_sigaltstack" != "xyes"; then
1033                 AC_MSG_RESULT(disabled)
1034         else
1035                 AC_TRY_RUN([
1036                         #include <stdio.h>
1037                         #include <stdlib.h>
1038                         #include <unistd.h>
1039                         #include <signal.h>
1040                         #include <pthread.h>
1041                         #include <sys/wait.h>
1042                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1043                         #define SA_STACK SA_ONSTACK
1044                         #endif
1045                         static void
1046                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1047                         {
1048                                 exit (0);
1049                         }
1050
1051                         static void *
1052                         loop (void *ignored)
1053                         {
1054                                 char *ptr = NULL;
1055
1056                                 *ptr = 0;
1057                                 return NULL;
1058                         }
1059
1060                         static void
1061                         child ()
1062                         {
1063                                 struct sigaction sa;
1064                                 struct sigaltstack sas;
1065                                 pthread_t id;
1066                                 pthread_attr_t attr;
1067
1068                                 sa.sa_sigaction = sigsegv_signal_handler;
1069                                 sigemptyset (&sa.sa_mask);
1070                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1071                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1072                                         perror ("sigaction");
1073                                         return;
1074                                 }
1075
1076                                 sas.ss_sp = malloc (SIGSTKSZ);
1077                                 sas.ss_size = SIGSTKSZ;
1078                                 sas.ss_flags = 0;
1079                                 if (sigaltstack (&sas, NULL) == -1) {
1080                                         perror ("sigaltstack");
1081                                         return;
1082                                 }
1083
1084                                 pthread_attr_init (&attr);
1085                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1086                                         printf ("pthread_create\n");
1087                                         return;
1088                                 }
1089
1090                                 sleep (100);
1091                         }
1092
1093                         int
1094                         main ()
1095                         {
1096                                 pid_t son;
1097                                 int status;
1098                                 int i;
1099
1100                                 son = fork ();
1101                                 if (son == -1) {
1102                                         return 1;
1103                                 }
1104
1105                                 if (son == 0) {
1106                                         child ();
1107                                         return 0;
1108                                 }
1109
1110                                 for (i = 0; i < 3; ++i) {
1111                                         sleep (1);
1112                                         waitpid (son, &status, WNOHANG);
1113                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1114                                                 return 0;
1115                                 }
1116
1117                                 kill (son, SIGKILL);
1118                                 return 1;
1119                         }
1120
1121                 ], [
1122                                 AC_MSG_RESULT(yes)
1123                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1124                 ], [
1125                                 with_sigaltstack=no
1126                                 AC_MSG_RESULT(no)
1127                 ])
1128         fi
1129
1130         dnl ********************************
1131         dnl *** Checks for semaphore lib ***
1132         dnl ********************************
1133         # 'Real Time' functions on Solaris
1134         # posix4 on Solaris 2.6
1135         # pthread (first!) on Linux
1136         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1137
1138         dnl ********************************
1139         dnl *** Checks for timezone stuff **
1140         dnl ********************************
1141         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1142                 AC_TRY_COMPILE([
1143                         #include <time.h>
1144                         ], [
1145                         struct tm tm;
1146                         tm.tm_gmtoff = 1;
1147                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1148         if test $ac_cv_struct_tm_gmtoff = yes; then
1149                 AC_DEFINE(HAVE_TM_GMTOFF)
1150         else
1151                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1152                         AC_TRY_COMPILE([
1153                                 #include <time.h>
1154                         ], [
1155                                 timezone = 1;
1156                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1157                 if test $ac_cv_var_timezone = yes; then
1158                         AC_DEFINE(HAVE_TIMEZONE)
1159                 else
1160                         AC_ERROR(unable to find a way to determine timezone)
1161                 fi
1162         fi
1163
1164         dnl *********************************
1165         dnl *** Checks for math functions ***
1166         dnl *********************************
1167         LIBS="$LIBS -lm";
1168         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1169                 AC_TRY_LINK([#include <math.h>],
1170                 [ finite(0.0); ],
1171                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1172                 AC_MSG_RESULT(no)))
1173         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1174                 AC_TRY_LINK([#include <math.h>],
1175                 [ isfinite(0.0); ],
1176                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1177                 AC_MSG_RESULT(no)))
1178
1179         dnl ****************************************************************
1180         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1181         dnl *** have it in the library (duh))                            ***
1182         dnl ****************************************************************
1183         AC_CHECK_FUNCS(poll)
1184
1185         dnl *************************
1186         dnl *** Check for signbit ***
1187         dnl *************************
1188         AC_MSG_CHECKING(for signbit)
1189         AC_TRY_LINK([#include <math.h>], [
1190                 int s = signbit(1.0);
1191         ], [
1192                 AC_MSG_RESULT(yes)
1193                 AC_DEFINE(HAVE_SIGNBIT)
1194         ], [
1195                 AC_MSG_RESULT(no)
1196         ])
1197
1198         dnl *********************
1199         dnl *** Check for AIO ***
1200         dnl *********************
1201         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1202         dnl Some systems (FreeBSD at least) may have aio_read
1203         dnl but don't support/define SIGEV_THREAD.
1204         AC_TRY_COMPILE([
1205         #include <sys/signal.h>
1206         ],[
1207         int x = SIGEV_THREAD;
1208         ],[
1209                 ac_cv_c_sigev_thread=yes
1210                 AC_MSG_RESULT(yes)
1211         ],[
1212                 AC_MSG_RESULT(no)
1213         ])
1214
1215         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1216                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1217                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1218                 SIGVAL_PTR="undefined"
1219                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1220                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1221                                         #include <sys/signal.h>
1222                                         ])
1223                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1224                                         #include <sys/signal.h>
1225                                         ])
1226                         if test "$SIGVAL_PTR" = "undefined" ; then
1227                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1228                         fi
1229                 fi
1230                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1231         fi
1232
1233         dnl **********************************
1234         dnl *** epoll                      ***
1235         dnl **********************************
1236         AC_CHECK_HEADERS(sys/epoll.h)
1237         haveepoll=no
1238         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1239         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1240                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1241         fi
1242
1243         dnl ******************************
1244         dnl *** Checks for SIOCGIFCONF ***
1245         dnl ******************************
1246         AC_CHECK_HEADERS(sys/ioctl.h)
1247         AC_CHECK_HEADERS(net/if.h)
1248         AC_MSG_CHECKING(for ifreq)
1249         AC_TRY_COMPILE([
1250                 #include <sys/ioctl.h>
1251                 #include <net/if.h>
1252                 ], [
1253                 struct ifconf ifc;
1254                 struct ifreq *ifr;
1255                 void *x;
1256                 ifc.ifc_len = 0;
1257                 ifc.ifc_buf = NULL;
1258                 x = (void *) &ifr->ifr_addr;
1259                 ],[
1260                         AC_MSG_RESULT(yes)
1261                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1262                 ], [
1263                         AC_MSG_RESULT(no)
1264                 ])
1265         dnl **********************************
1266         dnl *** Checks for MonoPosixHelper ***
1267         dnl **********************************
1268         AC_CHECK_FUNC(setkey, ,
1269                 AC_CHECK_LIB(crypt, setkey, [
1270                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1271                         CRYPT_LIBS="-lcrypt"
1272                 ])
1273         )
1274         AC_SUBST(CRYPT_LIBS)
1275         AC_CHECK_HEADERS(checklist.h)
1276         AC_CHECK_HEADERS(fstab.h)
1277         AC_CHECK_HEADERS(attr/xattr.h)
1278         AC_CHECK_HEADERS(sys/extattr.h)
1279         AC_CHECK_HEADERS(sys/sendfile.h)
1280         AC_CHECK_HEADERS(sys/statvfs.h)
1281         AC_CHECK_HEADERS(sys/vfstab.h)
1282         AC_CHECK_HEADERS(sys/xattr.h)
1283         AC_CHECK_HEADERS(sys/mman.h)
1284         AC_CHECK_FUNCS(getdomainname)
1285         AC_CHECK_FUNCS(setdomainname)
1286         AC_CHECK_FUNCS(fgetgrent)
1287         AC_CHECK_FUNCS(fgetpwent)
1288         AC_CHECK_FUNCS(fgetpwent)
1289         AC_CHECK_FUNCS(getfsstat)
1290         AC_CHECK_FUNCS(lutimes)
1291         AC_CHECK_FUNCS(mremap)
1292         AC_CHECK_FUNCS(remap_file_pages)
1293         AC_CHECK_FUNCS(posix_fadvise)
1294         AC_CHECK_FUNCS(posix_fallocate)
1295         AC_CHECK_FUNCS(posix_madvise)
1296         AC_CHECK_FUNCS(vsnprintf)
1297         AC_CHECK_FUNCS(sendfile)
1298         AC_CHECK_FUNCS(sethostid)
1299         AC_CHECK_FUNCS(statfs)
1300         AC_CHECK_FUNCS(fstatfs)
1301         AC_CHECK_FUNCS(statvfs)
1302         AC_CHECK_FUNCS(fstatvfs)
1303         AC_CHECK_FUNCS(stime)
1304         AC_CHECK_FUNCS(strerror_r)
1305         AC_CHECK_FUNCS(ttyname_r)
1306         AC_CHECK_SIZEOF(size_t)
1307         AC_CHECK_MEMBERS(
1308                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1309                 [#include <sys/types.h>
1310                  #include <dirent.h>])
1311
1312         dnl Favour xattr through glibc, but use libattr if we have to
1313         AC_CHECK_FUNC(lsetxattr, ,
1314                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1315         )
1316         AC_SUBST(XATTR_LIB)
1317
1318         dnl *********************************
1319         dnl *** Check for Console 2.0 I/O ***
1320         dnl *********************************
1321         AC_CHECK_HEADERS([curses.h])
1322         AC_CHECK_HEADERS([term.h], [], [],
1323         [#if HAVE_CURSES_H
1324          #include <curses.h>
1325          #endif
1326         ])
1327         AC_CHECK_HEADERS([termios.h])
1328
1329         dnl * This is provided in io-layer, but on windows it's only available
1330         dnl * on xp+
1331         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1332 else
1333         jdk_headers_found=no
1334         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1335         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1336         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1337         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1338
1339         dnl *********************************
1340         dnl *** Check for struct ip_mreqn ***
1341         dnl *********************************
1342         AC_MSG_CHECKING(for struct ip_mreqn)
1343         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1344                 struct ip_mreqn mreq;
1345                 mreq.imr_address.s_addr = 0;
1346         ], [
1347                 # Yes, we have it...
1348                 AC_MSG_RESULT(yes)
1349                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1350         ], [
1351                 # We'll just have to try and use struct ip_mreq
1352                 AC_MSG_RESULT(no)
1353                 AC_MSG_CHECKING(for struct ip_mreq)
1354                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1355                         struct ip_mreq mreq;
1356                         mreq.imr_interface.s_addr = 0;
1357                 ], [
1358                         # Yes, we have it...
1359                         AC_MSG_RESULT(yes)
1360                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1361                 ], [
1362                         # No multicast support
1363                         AC_MSG_RESULT(no)
1364                 ])
1365         ])
1366         AC_CHECK_FUNCS(GetProcessId)
1367 fi
1368
1369 dnl socklen_t check
1370 AC_MSG_CHECKING(for socklen_t)
1371 AC_TRY_COMPILE([
1372 #include <sys/types.h>
1373 #include <sys/socket.h>
1374 ],[
1375   socklen_t foo;
1376 ],[
1377 ac_cv_c_socklen_t=yes
1378         AC_DEFINE(HAVE_SOCKLEN_T)
1379         AC_MSG_RESULT(yes)
1380 ],[
1381         AC_MSG_RESULT(no)
1382 ])
1383
1384 AC_MSG_CHECKING(for array element initalizer support)
1385 AC_TRY_COMPILE([#include <sys/socket.h>], [
1386         const int array[] = {[1] = 2,};
1387 ], [
1388         # Yes, we have it...
1389         AC_MSG_RESULT(yes)
1390         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1391 ], [
1392         # We'll have to use signals
1393         AC_MSG_RESULT(no)
1394 ])
1395
1396 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1397         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1398         AC_TRY_LINK([#include <math.h>],
1399         [ static void *p = &trunc; ],
1400         [
1401                 AC_DEFINE(HAVE_TRUNC)
1402                 AC_MSG_RESULT(yes)
1403                 ac_cv_trunc=yes
1404         ],
1405         AC_MSG_RESULT(no)))
1406
1407 if test "x$ac_cv_truncl" != "xyes"; then
1408    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1409 fi
1410
1411 dnl ****************************
1412 dnl *** Look for /dev/random ***
1413 dnl ****************************
1414
1415 AC_MSG_CHECKING([if usage of random device is requested])
1416 AC_ARG_ENABLE(dev-random,
1417 [  --disable-dev-random    disable the use of the random device],
1418 try_dev_random=$enableval, try_dev_random=yes)
1419 AC_MSG_RESULT($try_dev_random)
1420
1421 case "{$target}" in
1422     *-openbsd*)
1423     NAME_DEV_RANDOM="/dev/srandom"
1424     ;;
1425
1426 dnl Win32 does not have /dev/random, they have their own method...
1427
1428     *-*-mingw*|*-*-cygwin*)
1429     ac_cv_have_dev_random=no
1430     ;;
1431
1432 dnl Everywhere else, it's /dev/random
1433
1434     *)
1435     NAME_DEV_RANDOM="/dev/random"
1436     ;;
1437 esac
1438
1439 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1440
1441 dnl Now check if the device actually exists
1442
1443 if test "x$try_dev_random" = "xyes"; then
1444     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1445     [if test -r "$NAME_DEV_RANDOM" ; then
1446         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1447     if test "x$ac_cv_have_dev_random" = "xyes"; then
1448         AC_DEFINE(HAVE_CRYPT_RNG)
1449     fi
1450 else
1451     AC_MSG_CHECKING(for random device)
1452     ac_cv_have_dev_random=no
1453     AC_MSG_RESULT(has been disabled)
1454 fi
1455
1456 if test "x$platform_win32" = "xyes"; then
1457     AC_DEFINE(HAVE_CRYPT_RNG)
1458 fi
1459
1460 if test "x$ac_cv_have_dev_random" = "xno" \
1461     && test "x$platform_win32" = "xno"; then
1462     AC_MSG_WARN([[
1463 ***
1464 *** A system-provided entropy source was not found on this system.
1465 *** Because of this, the System.Security.Cryptography random number generator
1466 *** will throw a NotImplemented exception.
1467 ***
1468 *** If you are seeing this message, and you know your system DOES have an
1469 *** entropy collection in place, please contact <crichton@gimp.org> and
1470 *** provide information about the system and how to access the random device.
1471 ***
1472 *** Otherwise you can install either egd or prngd and set the environment
1473 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1474 ***]])
1475 fi
1476
1477 AC_MSG_CHECKING([if inter-process shared handles are requested])
1478 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1479 AC_MSG_RESULT($try_shared_handles)
1480 if test "x$try_shared_handles" != "xyes"; then
1481         AC_DEFINE(DISABLE_SHARED_HANDLES)
1482         AC_SUBST(DISABLE_SHARED_HANDLES)
1483 fi
1484
1485 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1486 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1487
1488 TARGET="unknown"
1489 ACCESS_UNALIGNED="yes"
1490
1491 JIT_SUPPORTED=no
1492 INTERP_SUPPORTED=no
1493 LIBC="libc.so.6"
1494 INTL="libc.so.6"
1495 SQLITE="libsqlite.so.0"
1496 SQLITE3="libsqlite3.so.0"
1497 X11="libX11.so"
1498
1499 jit_wanted=false
1500 interp_wanted=false
1501 case "$host" in
1502 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1503 #               TARGET=MIPS;
1504 #               ACCESS_UNALIGNED="no"
1505 #               ;;
1506         i*86-*-*)
1507                 TARGET=X86;
1508                 arch_target=x86;
1509                 JIT_SUPPORTED=yes
1510                 jit_wanted=true
1511                 case $host_os in
1512                   solaris*)
1513                         LIBC="libc.so"
1514                         INTL="libintl.so"
1515                 esac
1516                 ;;
1517         x86_64-*-* | amd64-*-*)
1518                 TARGET=AMD64;
1519                 arch_target=amd64;
1520                 JIT_SUPPORTED=yes
1521                 jit_wanted=true
1522                 ;;
1523         ia64-*-*)
1524                 TARGET=IA64
1525                 arch_target=ia64
1526                 ACCESS_UNALIGNED="no"
1527                 JIT_SUPPORTED=yes
1528                 jit_wanted=true
1529                 LIBC="libc.so.6.1"
1530                 INTL="libc.so.6.1"
1531                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1532                 libmono_ldflags="-lunwind"
1533                 ;;
1534         sparc*-*-*)
1535                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1536                    TARGET=SPARC64
1537                 else
1538                         TARGET=SPARC
1539                 fi
1540                 arch_target=sparc;
1541                 JIT_SUPPORTED=yes
1542                 ACCESS_UNALIGNED="no"
1543                 case $host_os in
1544                   linux*) ;;
1545                   *)
1546                         LIBC="libc.so"
1547                         INTL="libintl.so"
1548                 esac
1549                 jit_wanted=true
1550                 if test x"$GCC" = xyes; then
1551                         # We don't support v8 cpus
1552                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1553                 fi
1554                 if test x"$AR" = xfalse; then
1555                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1556                 fi
1557                 ;;
1558        alpha*-*-linux* | alpha*-*-osf*)
1559                 TARGET=ALPHA;
1560                 ACCESS_UNALIGNED="no"
1561                 JIT_SUPPORTED=no
1562                 INTERP_SUPPORTED=yes
1563                 interp_wanted=true
1564                 arch_target=alpha;
1565                 case $host_os in
1566                   linux*)
1567                         LIBC="libc.so.6.1"
1568                         INTL="libc.so.6.1"
1569                 esac
1570                ;;
1571         *-*-mingw*|*-*-cygwin*)
1572                 INTL="intl"
1573                 ;;
1574         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1575                 TARGET=HPPA;
1576                 arch_target=hppa;
1577                 LIBC="libc.sl"
1578                 ACCESS_UNALIGNED="no"
1579                 INTERP_SUPPORTED=yes
1580                 interp_wanted=true
1581                 ;;
1582         hppa*linux*)
1583                 TARGET=HPPA;
1584                 arch_target=hppa;
1585                 ACCESS_UNALIGNED="no"
1586                 INTERP_SUPPORTED=yes
1587                 interp_wanted=true
1588                 ;;
1589         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1590         powerpc-*-sysv* | powerpc-*-darwin*)
1591                 TARGET=POWERPC;
1592                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1593                 arch_target=ppc;
1594                 JIT_SUPPORTED=yes
1595                 jit_wanted=true
1596                 ;;
1597         arm*-linux*)
1598                 TARGET=ARM;
1599                 arch_target=arm;
1600                 ACCESS_UNALIGNED="no"
1601                 JIT_SUPPORTED=yes
1602                 jit_wanted=true
1603                 ;;
1604         s390-*-linux*)
1605                 TARGET=S390;
1606                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1607                 arch_target=s390;
1608                 ACCESS_UNALIGNED="no"
1609                 JIT_SUPPORTED=yes
1610                 jit_wanted=true
1611                 ;;
1612         s390x-*-linux*)
1613                 TARGET=S390x;
1614                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1615                 arch_target=s390x;
1616                 ACCESS_UNALIGNED="no"
1617                 JIT_SUPPORTED=yes
1618                 jit_wanted=true
1619                 ;;
1620 esac
1621
1622 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1623         if test x$withval = xyes; then
1624            jit_wanted=true
1625         else
1626            jit_wanted=false
1627         fi
1628 ])
1629
1630 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1631         if test x$withval = xyes; then
1632            interp_wanted=true
1633         else
1634            interp_wanted=false
1635         fi
1636 ])
1637
1638 USEJIT=false
1639 if test x$JIT_SUPPORTED = xyes; then
1640    if $jit_wanted; then
1641       USEJIT=true
1642       jit_status="Building and using the JIT"
1643    else
1644       if $interp_wanted; then
1645          jit_status="Building the JIT, defaulting to the interpreter"
1646       else
1647          AC_ERROR(No JIT or interpreter support available or selected.)
1648       fi
1649    fi
1650 else
1651    if test x$interp_wanted = xtrue; then
1652       jit_status="interpreter"
1653    else
1654       AC_ERROR(No JIT or interpreter support available or selected.)
1655    fi
1656 fi
1657
1658 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1659
1660 libsuffix=".so"
1661
1662 case "$host" in
1663      *-*-darwin*)
1664         libsuffix=".dylib"
1665         LIBC="libc.dylib"
1666         INTL="libintl.dylib"
1667         SQLITE="libsqlite.0.dylib"
1668         SQLITE3="libsqlite3.0.dylib"
1669         X11="libX11.dylib"
1670         ;;
1671      *-*-*netbsd*)
1672         LIBC="libc.so.12"
1673         INTL="libintl.so.0"
1674         ;;
1675     *-*-*freebsd*)
1676         LIBC="libc.so"
1677         INTL="libintl.so"
1678         ;;
1679     *-*-*openbsd*)
1680         LIBC="libc.so"
1681         INTL="libintl.so"
1682         ;;
1683     *-*-*linux*)
1684         AC_PATH_X
1685         AC_MSG_CHECKING(for the soname of libX11.so)
1686         for i in $x_libraries /usr/lib /usr/lib64; do
1687                 for r in 4 5 6; do
1688                         if test -f $i/libX11.so.$r; then
1689                                 X11=libX11.so.$r
1690                                 AC_MSG_RESULT($X11)
1691                         fi
1692                 done
1693         done
1694
1695         if test "x$X11" = "xlibX11.so"; then
1696                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1697         fi
1698         ;;
1699 esac
1700
1701
1702 AC_SUBST(libsuffix)
1703
1704 if test "x$TARGET" != "xAMD64"; then
1705    # valgrind headers don't compile under x86-64
1706    AC_CHECK_HEADERS(valgrind/memcheck.h)
1707 fi
1708
1709 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1710         if test "x$with_tls" = "x__thread"; then
1711                 #
1712                 # On some linux distributions, TLS works in executables, but linking
1713                 # against a shared library containing TLS fails with:
1714                 # undefined reference to `__tls_get_addr'
1715                 #
1716                 rm -f conftest.c conftest.so conftest
1717                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1718                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1719                 $CC -o conftest conftest.so > /dev/null 2>&1
1720                 if test ! -f conftest; then
1721                    AC_MSG_WARN([Disabling usage of __thread.]);
1722                    with_tls=pthread
1723                 fi
1724                 rm -f conftest.c conftest.so conftest
1725         fi
1726 fi
1727
1728 mono_debugger_supported=no
1729 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1730         case "$host" in
1731         *-*-*linux*)
1732                 mono_debugger_supported=yes
1733                 ;;
1734         esac
1735 fi
1736
1737 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1738 if test "x$mono_debugger_supported" = "xyes"; then
1739         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1740 fi
1741 AC_MSG_RESULT($mono_debugger_supported)
1742 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1743
1744 if test "x$with_tls" = "x__thread"; then
1745         AC_DEFINE(HAVE_KW_THREAD)
1746    # Pass the information to libgc
1747         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1748         export CPPFLAGS
1749         AC_MSG_CHECKING(if the tls_model attribute is supported)
1750         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1751                 ], [
1752                         AC_MSG_RESULT(yes)
1753                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1754                 ], [
1755                         AC_MSG_RESULT(no)
1756         ])
1757 fi
1758
1759 if test ${TARGET} = ARM; then
1760         dnl ******************************************
1761         dnl *** Check to see what FPU is available ***
1762         dnl ******************************************
1763         AC_MSG_CHECKING(which FPU to use)
1764
1765         AC_TRY_COMPILE([], [
1766                 __asm__ ("ldfd f0, [r0]");
1767                 ], fpu=FPA, [
1768                         AC_TRY_COMPILE([], [
1769                                 __asm__ ("fldd d0, [r0]");
1770                         ], fpu=VFP, fpu=NONE)
1771                 ])
1772
1773         AC_MSG_RESULT($fpu)
1774         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1775         unset fpu
1776 fi
1777
1778 if test ${TARGET} = unknown; then
1779         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1780         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1781 fi
1782
1783 if test ${ACCESS_UNALIGNED} = no; then
1784         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1785 fi
1786
1787 PREVIEW=yes
1788 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1789         if test x$with_preview = xno; then
1790               PREVIEW=no
1791         fi
1792 ])
1793
1794 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1795
1796 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1797 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1798 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1799 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1800 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1801 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1802 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1803 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1804 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1805 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1806 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1807 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1808 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1809 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1810
1811 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1812 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1813 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1814
1815 AC_SUBST(LIBC)
1816 AC_SUBST(INTL)
1817 AC_SUBST(SQLITE)
1818 AC_SUBST(SQLITE3)
1819 AC_SUBST(X11)
1820
1821 AC_SUBST(arch_target)
1822 AC_SUBST(CFLAGS)
1823 AC_SUBST(CPPFLAGS)
1824 AC_SUBST(LDFLAGS)
1825
1826 mono_build_root=`pwd`
1827 AC_SUBST(mono_build_root)
1828
1829 if test x$USEJIT = xtrue; then
1830   mono_runtime=mono/mini/mono
1831 else
1832   mono_runtime=mono/interpreter/mint
1833 fi
1834 AC_SUBST(mono_runtime)
1835
1836 mono_cfg_root=$mono_build_root/runtime
1837 if test x$platform_win32 = xyes; then
1838   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1839 else
1840   mono_cfg_dir=$mono_cfg_root/etc
1841 fi
1842 AC_SUBST(mono_cfg_dir)
1843
1844 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1845 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1846 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1847
1848 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1849 [   depth=../../../..
1850     case $srcdir in
1851     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1852     .) reldir=$depth ;;
1853     *) reldir=$depth/$srcdir ;;
1854     esac
1855     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1856     cd runtime/etc/mono/1.0
1857     rm -f machine.config
1858     $LN_S $reldir/data/net_1_1/machine.config machine.config
1859     cd $depth
1860 ],[LN_S='$LN_S'])
1861
1862 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1863 [   depth=../../../..
1864     case $srcdir in
1865     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1866     .) reldir=$depth ;;
1867     *) reldir=$depth/$srcdir ;;
1868     esac
1869     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1870     cd runtime/etc/mono/2.0
1871     rm -f machine.config
1872     $LN_S $reldir/data/net_2_0/machine.config machine.config
1873     cd $depth
1874 ],[LN_S='$LN_S'])
1875
1876 AC_OUTPUT([
1877 Makefile
1878 mint.pc
1879 mono.pc
1880 mono-cairo.pc
1881 dotnet.pc
1882 mono-uninstalled.pc
1883 scripts/mono-nunit.pc
1884 scripts/mono-find-provides
1885 scripts/mono-find-requires
1886 mono/Makefile
1887 mono/utils/Makefile
1888 mono/metadata/Makefile
1889 mono/dis/Makefile
1890 mono/cil/Makefile
1891 mono/arch/Makefile
1892 mono/os/Makefile
1893 mono/arch/x86/Makefile
1894 mono/arch/amd64/Makefile
1895 mono/arch/hppa/Makefile
1896 mono/arch/ppc/Makefile
1897 mono/arch/sparc/Makefile
1898 mono/arch/s390/Makefile
1899 mono/arch/s390x/Makefile
1900 mono/arch/arm/Makefile
1901 mono/arch/alpha/Makefile
1902 mono/arch/ia64/Makefile
1903 mono/interpreter/Makefile
1904 mono/tests/Makefile
1905 mono/tests/tests-config
1906 mono/benchmark/Makefile
1907 mono/monoburg/Makefile
1908 mono/monograph/Makefile
1909 mono/io-layer/Makefile
1910 mono/mini/Makefile
1911 mono/profiler/Makefile
1912 ikvm-native/Makefile
1913 scripts/Makefile
1914 man/Makefile
1915 web/Makefile
1916 docs/Makefile
1917 data/Makefile
1918 data/net_1_1/Makefile
1919 data/net_2_0/Makefile
1920 samples/Makefile
1921 support/Makefile
1922 data/config
1923 tools/Makefile
1924 tools/locale-builder/Makefile
1925 runtime/Makefile
1926 ])
1927
1928 if test x$platform_win32 = xyes; then
1929    # Get rid of 'cyg' prefixes in library names
1930    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1931    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1932    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1933    # executable doesn't work...
1934    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1935 fi
1936
1937 (
1938   case $prefix in
1939   NONE) prefix=$ac_default_prefix ;;
1940   esac
1941   case $exec_prefix in
1942   NONE) exec_prefix='${prefix}' ;;
1943   esac
1944
1945   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1946
1947   #
1948   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1949   # any existing config.make.  This allows people to share the same source tree
1950   # with different build directories, one native and one cross
1951   #
1952   if test x$cross_compiling = xno; then
1953     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1954     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1955     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1956     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1957     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1958     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1959     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1960
1961     case $INSTALL in
1962     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1963     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
1964     esac
1965
1966     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
1967
1968     export VERSION
1969     [myver=$($AWK 'BEGIN {
1970       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
1971       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
1972     }')]
1973
1974     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
1975   fi
1976 )
1977
1978 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
1979
1980 echo "
1981         mcs source:  $mcs_topdir
1982         GC:          $gc
1983         TLS:         $with_tls
1984         SIGALTSTACK: $with_sigaltstack
1985         Engine:      $jit_status
1986         2.0 Alpha:   $PREVIEW
1987         JNI support: $jdk_headers_found
1988         libgdiplus:  $libgdiplus_msg
1989         $disabled
1990
1991 "