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,1.1.13)
  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="$LDFLAGS -pthread"
  84                 libmono_ldflags="-pthread"
  85                 need_link_unlink=yes
  86                 libdl=
  87                 libgc_threads=no
  88                 ;;
  89 # these flags will work for all versions of -STABLE
  90 #
  91         *-*-*freebsd4*)
  92                 platform_win32=no
  93                 if test "x$PTHREAD_CFLAGS" = "x"; then
  94                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  95                         libmono_cflags="-D_THREAD_SAFE"
  96                 else
  97                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
  98                         libmono_cflags="$PTHREAD_CFLAGS"
  99                 fi
 100                 if test "x$PTHREAD_LIBS" = "x"; then
 101                         LDFLAGS="$LDFLAGS -pthread"
 102                         libmono_ldflags="-pthread"
 103                 else
 104                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 105                         libmono_ldflags="$PTHREAD_LIBS"
 106                 fi
 107                 need_link_unlink=yes
 108                 AC_DEFINE(PTHREAD_POINTER_ID)
 109                 libdl=
 110                 libgc_threads=pthreads
 111 # TLS isn't implemented at all on 4-STABLE
 112                 with_nptl=no
 113                 with_tls=pthread
 114                 ;;
 115         *-*-*freebsd5*)
 116                 platform_win32=no
 117                 if test "x$PTHREAD_CFLAGS" = "x"; then
 118                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 119                         libmono_cflags=
 120                 else
 121                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 122                         libmono_cflags="$PTHREAD_CFLAGS"
 123                 fi
 124                 if test "x$PTHREAD_LIBS" = "x"; then
 125                         LDFLAGS="$LDFLAGS -pthread"
 126                         libmono_ldflags="-pthread"
 127                 else
 128                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 129                         libmono_ldflags="$PTHREAD_LIBS"
 130                 fi
 131                 need_link_unlink=yes
 132                 AC_DEFINE(PTHREAD_POINTER_ID)
 133                 libdl=
 134                 with_sigaltstack=yes
 135                 libgc_threads=pthreads
 136 # TLS is only partially implemented on 5-STABLE (compiler support
 137 # but NOT library support)
 138 #
 139                 with_tls=pthread
 140                 ;;
 141         *-*-*freebsd6*)
 142                 platform_win32=no
 143                 if test "x$PTHREAD_CFLAGS" = "x"; then
 144                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 145                         libmono_cflags=
 146                 else
 147                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 148                         libmono_cflags="$PTHREAD_CFLAGS"
 149                 fi
 150                 if test "x$PTHREAD_LIBS" = "x"; then
 151                         LDFLAGS="$LDFLAGS -pthread"
 152                         libmono_ldflags="-pthread"
 153                 else
 154                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 155                         libmono_ldflags="$PTHREAD_LIBS"
 156                 fi
 157                 need_link_unlink=yes
 158                 AC_DEFINE(PTHREAD_POINTER_ID)
 159                 libdl=
 160                 libgc_threads=pthreads
 161                 with_sigaltstack=yes
 162 # TLS is only partially implemented on -CURRENT (compiler support
 163 # but NOT library support)
 164 #
 165                 with_tls=pthread
 166                 ;;
 167         *-*-*openbsd*)
 168                 platform_win32=no
 169                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 170                 libmono_cflags="-D_THREAD_SAFE"
 171                 LDFLAGS="$LDFLAGS -pthread"
 172                 libmono_ldflags="-pthread"
 173                 need_link_unlink=yes
 174                 AC_DEFINE(PTHREAD_POINTER_ID)
 175                 libdl=
 176                 libgc_threads=pthreads
 177                 ;;
 178         *-*-linux*)
 179                 platform_win32=no
 180                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 181                 libmono_cflags="-D_REENTRANT"
 182                 libmono_ldflags="-lpthread"
 183                 libdl="-ldl"
 184                 libgc_threads=pthreads
 185                 ;;
 186         *-*-hpux*)
 187                 platform_win32=no
 188                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 189                 CFLAGS="$CFLAGS +ESdbgasm"
 190                 LDFLAGS="$LDFLAGS -z"
 191                 libmono_cflags="-D_REENTRANT"
 192                 libmono_ldflags="-lpthread"
 193                 libgc_threads=pthreads
 194                 need_link_unlink=yes
 195                 ;;
 196         *-*-solaris*)
 197                 platform_win32=no
 198                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 199                 need_link_unlink=yes
 200                 libmono_cflags="-D_REENTRANT"
 201                 libgc_threads=pthreads
 202                 ;;
 203         *-*-darwin*)
 204                 platform_win32=no
 205                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
 206                 libmono_cflags="-D_THREAD_SAFE"
 207                 LDFLAGS="$LDFLAGS -pthread"
 208                 libmono_ldflags="-pthread"
 209                 need_link_unlink=yes
 210                 AC_DEFINE(PTHREAD_POINTER_ID)
 211                 AC_DEFINE(USE_MACH_SEMA)
 212                 no_version_script=yes
 213                 libdl=
 214                 libgc_threads=pthreads
 215                 ;;
 216         *)
 217                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 218                 platform_win32=no
 219                 libdl="-ldl"
 220                 ;;
 221 esac
 222 AC_MSG_RESULT(ok)
 223
 224 if test x$need_link_unlink = xyes; then
 225    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 226 fi
 227
 228 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 229
 230 AC_CHECK_TOOL(CC, gcc, gcc)
 231 AC_PROG_CC
 232 AM_PROG_CC_STDC
 233 AC_PROG_INSTALL
 234 AC_PROG_AWK
 235 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 236 : ${CCAS='$(CC)'}
 237 # Set ASFLAGS if not already set.
 238 : ${CCASFLAGS='$(CFLAGS)'}
 239 AC_SUBST(CCAS)
 240 AC_SUBST(CCASFLAGS)
 241
 242 AC_CHECK_PROG(BISON, bison,yes,no)
 243 if test "x$BISON" = "xno";
 244 then
 245         AC_MSG_ERROR([You need to install bison])
 246 fi
 247
 248 dnl may require a specific autoconf version
 249 dnl AC_PROG_CC_FOR_BUILD
 250 dnl CC_FOR_BUILD not automatically detected
 251 CC_FOR_BUILD=$CC
 252 CFLAGS_FOR_BUILD=$CFLAGS
 253 BUILD_EXEEXT=
 254 if test "x$cross_compiling" = "xyes"; then
 255         CC_FOR_BUILD=cc
 256         CFLAGS_FOR_BUILD=
 257         BUILD_EXEEXT=""
 258 fi
 259 AC_SUBST(CC_FOR_BUILD)
 260 AC_SUBST(CFLAGS_FOR_BUILD)
 261 AC_SUBST(HOST_CC)
 262 AC_SUBST(BUILD_EXEEXT)
 263
 264 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 265
 266 # Set STDC_HEADERS
 267 AC_HEADER_STDC
 268 AC_LIBTOOL_WIN32_DLL
 269 # This causes monodis to not link correctly
 270 #AC_DISABLE_FAST_INSTALL
 271 AM_PROG_LIBTOOL
 272
 273 # Test whenever ld supports -version-script
 274 AC_PROG_LD
 275 AC_PROG_LD_GNU
 276 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 277    no_version_script=yes
 278 fi
 279
 280 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 281
 282 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
 283
 284 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 285
 286 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 287
 288 # for mono/metadata/debug-symfile.c
 289 AC_CHECK_HEADERS(elf.h)
 290
 291 # for support
 292 AC_CHECK_HEADERS(poll.h)
 293 AC_CHECK_HEADERS(sys/poll.h)
 294 AC_CHECK_HEADERS(sys/wait.h)
 295 AC_CHECK_HEADERS(grp.h)
 296 AC_CHECK_HEADERS(syslog.h)
 297
 298 # for mono/dis
 299 AC_CHECK_HEADERS(wchar.h)
 300 case "$host" in
 301         *-*-*freebsd6*)
 302                 AC_CHECK_HEADERS(ieeefp.h)
 303         ;;
 304         *-*-*freebsd*)
 305                 /* Only freebsd6 has a working ieeefp.h */
 306         ;;
 307         *)
 308                 AC_CHECK_HEADERS(ieeefp.h)
 309         ;;
 310 esac
 311 AC_MSG_CHECKING(for isinf)
 312 AC_TRY_LINK([#include <math.h>], [
 313         int f = isinf (1);
 314 ], [
 315         AC_MSG_RESULT(yes)
 316         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 317 ], [
 318         # We'll have to use signals
 319         AC_MSG_RESULT(no)
 320 ])
 321
 322
 323 # not 64 bit clean in cross-compile
 324 AC_CHECK_SIZEOF(void *, 4)
 325
 326 WARN=''
 327 if test x"$GCC" = xyes; then
 328         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 329                 # The runtime code does not respect ANSI C strict aliasing rules
 330                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 331
 332                 ORIG_CFLAGS=$CFLAGS
 333                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 334                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 335                 AC_TRY_COMPILE([], [
 336                                                    void main () { }
 337                 ], [
 338                    AC_MSG_RESULT(yes)
 339                 ], [
 340                    AC_MSG_RESULT(no)
 341                    CFLAGS=$ORIG_CFLAGS
 342                 ])
 343 else
 344         # The Sun Forte compiler complains about inline functions that access static variables
 345         # so disable all inlining.
 346         case "$host" in
 347         *-*-solaris*)
 348                 CFLAGS="$CFLAGS -Dinline="
 349                 ;;
 350         esac
 351 fi
 352 CFLAGS="$CFLAGS -g $WARN"
 353
 354 # Where's the 'mcs' source tree?
 355 if test -d $srcdir/mcs; then
 356   mcsdir=mcs
 357 else
 358   mcsdir=../mcs
 359 fi
 360
 361 mcs_topdir='$(top_srcdir)/'$mcsdir
 362 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 363
 364 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 365 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
 366
 367 AC_SUBST([mcs_topdir])
 368 AC_SUBST([mcs_topdir_from_srcdir])
 369
 370 AC_ARG_WITH([libgdiplus],
 371         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 372         [], [with_libgdiplus=installed])
 373
 374 case $with_libgdiplus in
 375 no|installed) libgdiplus_loc= ;;
 376 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 377 /*) libgdiplus_loc=$with_libgdiplus ;;
 378 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 379 esac
 380 AC_SUBST([libgdiplus_loc])
 381
 382 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 383 if test "x$PKG_CONFIG" = "xno"; then
 384         AC_MSG_ERROR([You need to install pkg-config])
 385 fi
 386
 387 dnl for use on the build system
 388 dnl pkg-config is stupid
 389 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 390 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 391 AC_SUBST(BUILD_GLIB_CFLAGS)
 392 AC_SUBST(BUILD_GLIB_LIBS)
 393
 394 pkg_config_path=
 395 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 396         if test x$with_crosspkgdir = "x"; then
 397                 if test -s $PKG_CONFIG_PATH; then
 398                         pkg_config_path=$PKG_CONFIG_PATH
 399                 fi
 400         else
 401                 pkg_config_path=$with_crosspkgdir
 402                 PKG_CONFIG_PATH=$pkg_config_path
 403                 export PKG_CONFIG_PATH
 404         fi
 405 )
 406
 407 ## Versions of dependencies
 408 GLIB_REQUIRED_VERSION=1.3.11
 409
 410 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 411
 412 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 413 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 414 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 415 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 416
 417 AC_SUBST(GLIB_CFLAGS)
 418 AC_SUBST(GLIB_LIBS)
 419 AC_SUBST(GMODULE_CFLAGS)
 420 AC_SUBST(GMODULE_LIBS)
 421
 422 if test x$cross_compiling$platform_win32 = xnoyes; then
 423    AC_MSG_CHECKING(for cygwin glib2-dev package)
 424    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 425       AC_MSG_RESULT(found)
 426           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 427    else
 428       AC_MSG_RESULT(not found, ok)
 429    fi
 430
 431    AC_MSG_CHECKING(for broken gwin32.h)
 432    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 433    if test -f $glib_include/glib/gwin32.h; then
 434           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 435                  AC_MSG_RESULT(failed)
 436                  hashmark='#'
 437                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 438           fi
 439    fi
 440    AC_MSG_RESULT(ok)
 441 fi
 442
 443 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 444
 445 # Enable support for fast thread-local storage
 446 # Some systems have broken support, so we allow to disable it.
 447 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 448
 449 # Kept for compatibility
 450 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 451
 452 if test "x$with_nptl" != "xdefault"; then
 453    if test "x$with_nptl" = "xyes"; then
 454       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 455           with_tls=__thread
 456    fi
 457    if test "x$with_nptl" = "xno"; then
 458       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 459           with_tls=pthread
 460    fi
 461 fi
 462
 463 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 464 # This does not work on some platforms (bug #55253)
 465 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 466
 467 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 468
 469 if test "x$enable_static" = "xno"; then
 470    with_static_mono=no
 471 fi
 472
 473 if test "x$platform_win32" = "xyes"; then
 474    # Boehm GC requires the runtime to be in its own dll
 475    with_static_mono=no
 476 fi
 477
 478 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 479
 480 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 481   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, reflection_emit.],
 482 [
 483         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 484                 eval "mono_feature_disable_$feature='yes'"
 485                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 486         done
 487         disabled="Disabled:    $enable_minimal"
 488 ],[])
 489
 490 if test "x$mono_feature_disable_aot" = "xyes"; then
 491         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 492 fi
 493
 494 if test "x$mono_feature_disable_profiler" = "xyes"; then
 495         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 496 fi
 497
 498 if test "x$mono_feature_disable_decimal" = "xyes"; then
 499         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 500 fi
 501
 502 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 503         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 504 fi
 505
 506 if test "x$mono_feature_disable_debug" = "xyes"; then
 507         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 508 fi
 509
 510 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 511         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 512 fi
 513
 514 LIBGC_CFLAGS=
 515 LIBGC_LIBS=
 516 LIBGC_STATIC_LIBS=
 517 libgc_dir=
 518 case "x$gc" in
 519         xboehm|xbohem|xyes)
 520                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 521                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 522
 523                 if test "x$found_boehm" != "xyes"; then
 524                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 525                 fi
 526                 if test "x$gc_headers" != "xyes"; then
 527                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 528                 fi
 529
 530                 AC_DEFINE(HAVE_BOEHM_GC)
 531                 AC_SUBST(HAVE_BOEHM_GC)
 532                 LIBGC_LIBS="-lgc $libdl"
 533                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 534
 535                 # AC_CHECK_FUNCS does not work for some reason...
 536                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 537                 if test "x$found_gcj_malloc" = "xyes"; then
 538                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 539                 fi
 540                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 541                 if test "x$found_gc_enable" = "xyes"; then
 542                         AC_DEFINE(HAVE_GC_ENABLE)
 543                 fi
 544                 ;;
 545
 546         xincluded)
 547                 AC_CONFIG_SUBDIRS(libgc)
 548
 549                 found_boehm=yes
 550                 gc_headers=yes
 551                 use_included_gc=yes
 552                 libgc_dir=libgc
 553
 554                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 555                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 556                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 557
 558                 AC_DEFINE(HAVE_BOEHM_GC)
 559                 AC_SUBST(HAVE_BOEHM_GC)
 560
 561                 AC_DEFINE(HAVE_GC_H)
 562                 AC_DEFINE(USE_INCLUDED_LIBGC)
 563
 564                 # The included libgc contains GCJ support
 565                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 566                 AC_DEFINE(HAVE_GC_ENABLE)
 567                 ;;
 568
 569         xnone)
 570                 AC_MSG_WARN("Compiling mono without GC.")
 571                 ;;
 572         *)
 573                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 574                 ;;
 575 esac
 576
 577 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 578 if test "x$large_heap" = "xyes"; then
 579    echo "FOO"
 580    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 581 fi
 582
 583 # tell libgc/configure about what we want
 584 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 585
 586 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 587 AC_SUBST(LIBGC_CFLAGS)
 588 AC_SUBST(LIBGC_LIBS)
 589 AC_SUBST(LIBGC_STATIC_LIBS)
 590 AC_SUBST(libgc_dir)
 591
 592 dnl
 593 dnl End of libgc checks
 594 dnl
 595
 596 if test x$platform_win32 = xno; then
 597
 598         dnl ******************************************************************
 599         dnl *** Checks for the IKVM JNI interface library                  ***
 600         dnl ******************************************************************
 601         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 602
 603         ikvm_native_dir=
 604         if test x$with_ikvm_native = xyes; then
 605                 ikvm_native_dir=ikvm-native
 606                 jdk_headers_found="IKVM Native"
 607         fi
 608
 609         AC_SUBST(ikvm_native_dir)
 610
 611         AC_CHECK_HEADERS(execinfo.h)
 612
 613         AC_CHECK_FUNCS(getgrgid_r)
 614         AC_CHECK_FUNCS(getgrnam_r)
 615         AC_CHECK_FUNCS(getpwnam_r)
 616         AC_CHECK_FUNCS(getpwuid_r)
 617         AC_CHECK_FUNCS(getresuid)
 618         AC_CHECK_FUNCS(setresuid)
 619         AC_CHECK_FUNCS(kqueue)
 620         AC_CHECK_FUNCS(backtrace_symbols)
 621
 622         dnl ******************************************************************
 623         dnl *** Check for large file support                               ***
 624         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 625         dnl ******************************************************************
 626
 627         # Check that off_t can represent 2**63 - 1 correctly, working around
 628         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 629         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 630         large_offt=no
 631         AC_DEFUN([LARGE_FILES], [
 632                 large_CPPFLAGS=$CPPFLAGS
 633                 CPPFLAGS="$CPPFLAGS $1"
 634                 AC_TRY_RUN([
 635                         #include <sys/types.h>
 636
 637                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 638
 639                         int main(void) {
 640                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 641                                                (BIG_OFF_T%2147483647==1));
 642                                 if(big_off_t) {
 643                                         exit(0);
 644                                 } else {
 645                                         exit(1);
 646                                 }
 647                         }
 648                 ], [
 649                         AC_MSG_RESULT(ok)
 650                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 651                         large_CPPFLAGS="$large_CPPFLAGS $1"
 652                         large_offt=yes
 653                 ], [
 654                         AC_MSG_RESULT(no)
 655                 ], "")
 656                 CPPFLAGS=$large_CPPFLAGS
 657         ])
 658
 659         AC_MSG_CHECKING(if off_t is 64 bits wide)
 660         LARGE_FILES("")
 661         if test $large_offt = no; then
 662                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 663                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 664         fi
 665         if test $large_offt = no; then
 666                 AC_MSG_WARN([No 64 bit file size support available])
 667         fi
 668
 669         dnl *****************************
 670         dnl *** Checks for libsocket  ***
 671         dnl *****************************
 672         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 673
 674         dnl *******************************
 675         dnl *** Checks for MSG_NOSIGNAL ***
 676         dnl *******************************
 677         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 678         AC_TRY_COMPILE([#include <sys/socket.h>], [
 679                 int f = MSG_NOSIGNAL;
 680         ], [
 681                 # Yes, we have it...
 682                 AC_MSG_RESULT(yes)
 683                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 684         ], [
 685                 # We'll have to use signals
 686                 AC_MSG_RESULT(no)
 687         ])
 688
 689         dnl *****************************
 690         dnl *** Checks for SOL_IP     ***
 691         dnl *****************************
 692         AC_MSG_CHECKING(for SOL_IP)
 693         AC_TRY_COMPILE([#include <netdb.h>], [
 694                 int level = SOL_IP;
 695         ], [
 696                 # Yes, we have it...
 697                 AC_MSG_RESULT(yes)
 698                 AC_DEFINE(HAVE_SOL_IP)
 699         ], [
 700                 # We'll have to use getprotobyname
 701                 AC_MSG_RESULT(no)
 702         ])
 703
 704         dnl *****************************
 705         dnl *** Checks for SOL_IPV6     ***
 706         dnl *****************************
 707         AC_MSG_CHECKING(for SOL_IPV6)
 708         AC_TRY_COMPILE([#include <netdb.h>], [
 709                 int level = SOL_IPV6;
 710         ], [
 711                 # Yes, we have it...
 712                 AC_MSG_RESULT(yes)
 713                 AC_DEFINE(HAVE_SOL_IPV6)
 714         ], [
 715                 # We'll have to use getprotobyname
 716                 AC_MSG_RESULT(no)
 717         ])
 718
 719         dnl *****************************
 720         dnl *** Checks for SOL_TCP    ***
 721         dnl *****************************
 722         AC_MSG_CHECKING(for SOL_TCP)
 723         AC_TRY_COMPILE([#include <netdb.h>], [
 724                 int level = SOL_TCP;
 725         ], [
 726                 # Yes, we have it...
 727                 AC_MSG_RESULT(yes)
 728                 AC_DEFINE(HAVE_SOL_TCP)
 729         ], [
 730                 # We'll have to use getprotobyname
 731                 AC_MSG_RESULT(no)
 732         ])
 733
 734         dnl *****************************
 735         dnl *** Checks for IP_PKTINFO ***
 736         dnl *****************************
 737         AC_MSG_CHECKING(for IP_PKTINFO)
 738         AC_TRY_COMPILE([#include <netdb.h>], [
 739                 int level = IP_PKTINFO;
 740         ], [
 741                 # Yes, we have it...
 742                 AC_MSG_RESULT(yes)
 743                 AC_DEFINE(HAVE_IP_PKTINFO)
 744         ], [
 745                 AC_MSG_RESULT(no)
 746         ])
 747
 748         dnl *****************************
 749     dnl *** Checks for IPV6_PKTINFO ***
 750     dnl *****************************
 751     AC_MSG_CHECKING(for IPV6_PKTINFO)
 752     AC_TRY_COMPILE([#include <netdb.h>], [
 753         int level = IPV6_PKTINFO;
 754     ], [
 755         # Yes, we have it...
 756         AC_MSG_RESULT(yes)
 757         AC_DEFINE(HAVE_IPV6_PKTINFO)
 758     ], [
 759         AC_MSG_RESULT(no)
 760     ])
 761
 762         dnl *********************************
 763         dnl *** Check for struct ip_mreqn ***
 764         dnl *********************************
 765         AC_MSG_CHECKING(for struct ip_mreqn)
 766         AC_TRY_COMPILE([#include <netinet/in.h>], [
 767                 struct ip_mreqn mreq;
 768                 mreq.imr_address.s_addr = 0;
 769         ], [
 770                 # Yes, we have it...
 771                 AC_MSG_RESULT(yes)
 772                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 773         ], [
 774                 # We'll just have to try and use struct ip_mreq
 775                 AC_MSG_RESULT(no)
 776                 AC_MSG_CHECKING(for struct ip_mreq)
 777                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 778                         struct ip_mreq mreq;
 779                         mreq.imr_interface.s_addr = 0;
 780                 ], [
 781                         # Yes, we have it...
 782                         AC_MSG_RESULT(yes)
 783                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 784                 ], [
 785                         # No multicast support
 786                         AC_MSG_RESULT(no)
 787                 ])
 788         ])
 789
 790         dnl **********************************
 791         dnl *** Check for gethostbyname2_r ***
 792         dnl **********************************
 793         AC_MSG_CHECKING(for gethostbyname2_r)
 794                 AC_TRY_LINK([#include <netdb.h>], [
 795                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 796         ], [
 797                 # Yes, we have it...
 798                 AC_MSG_RESULT(yes)
 799                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 800         ], [
 801                 AC_MSG_RESULT(no)
 802         ])
 803
 804         dnl *****************************
 805         dnl *** Checks for libnsl     ***
 806         dnl *****************************
 807         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 808
 809         AC_CHECK_FUNCS(inet_pton inet_aton)
 810
 811         dnl ***********************************************
 812         dnl *** Checks for size of sockaddr_un.sun_path ***
 813         dnl ***********************************************
 814         # AC_CHECK_SIZEOF can't cope with struct members :-(
 815         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 816         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 817                 [AC_TRY_RUN([
 818                         #include <sys/types.h>
 819                         #include <stdio.h>
 820                         #include <sys/un.h>
 821
 822                         int main(void) {
 823                                 struct sockaddr_un sock_un;
 824                                 FILE *f=fopen("conftestval", "w");
 825                                 if(!f) exit(1);
 826                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 827                                 exit(0);
 828                         }
 829                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 830                    cv_mono_sizeof_sunpath=0,
 831                    cv_mono_sizeof_sunpath=0)])dnl
 832         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 833         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 834
 835         dnl *************************************
 836         dnl *** Checks for zero length arrays ***
 837         dnl *************************************
 838         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 839         AC_TRY_COMPILE([
 840                 struct s {
 841                         int  length;
 842                         char data [0];
 843                 };
 844         ], [], [
 845                 AC_MSG_RESULT(yes)
 846                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 847         ], [
 848                 AC_MSG_RESULT(no)
 849                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 850         ])
 851
 852         dnl *****************************
 853         dnl *** Checks for libxnet    ***
 854         dnl *****************************
 855         case "${host}" in
 856                 *solaris* )
 857                         AC_MSG_CHECKING(for Solaris XPG4 support)
 858                         if test -f /usr/lib/libxnet.so; then
 859                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 860                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 861                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 862                                 LIBS="$LIBS -lxnet"
 863                                 AC_MSG_RESULT(yes)
 864                         else
 865                                 AC_MSG_RESULT(no)
 866                         fi
 867
 868                         if test "$GCC" = "yes"; then
 869                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 870                         fi
 871                 ;;
 872         esac
 873
 874         dnl *****************************
 875         dnl *** Checks for libpthread ***
 876         dnl *****************************
 877 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 878 # and libpthread does not exist
 879 #
 880         case "${host}" in
 881                 *-*-*freebsd4*)
 882                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 883                 ;;
 884                 *-*-*freebsd5*)
 885                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 886                 ;;
 887                 *-*-*freebsd6*)
 888                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 889                 ;;
 890                 *)
 891                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 892                 ;;
 893         esac
 894         AC_CHECK_HEADERS(pthread.h)
 895         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 896         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 897         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 898         AC_TRY_COMPILE([ #include <pthread.h>], [
 899                 pthread_mutexattr_t attr;
 900                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 901         ], [
 902                 AC_MSG_RESULT(ok)
 903         ], [
 904                 AC_MSG_RESULT(no)
 905                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 906                 AC_DEFINE(USE_MONO_MUTEX)
 907         ])
 908         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 909         AC_CHECK_FUNCS(pthread_attr_getstack)
 910         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 911
 912         dnl ***********************************
 913         dnl *** Checks for working __thread ***
 914         dnl ***********************************
 915         AC_MSG_CHECKING(for working __thread)
 916         if test "x$with_tls" != "x__thread"; then
 917                 AC_MSG_RESULT(disabled)
 918         else
 919                 AC_TRY_RUN([
 920                         #include <pthread.h>
 921                         __thread int i;
 922                         static int res1, res2;
 923
 924                         void thread_main (void *arg)
 925                         {
 926                                 i = arg;
 927                                 sleep (1);
 928                                 if (arg == 1)
 929                                         res1 = (i == arg);
 930                                 else
 931                                         res2 = (i == arg);
 932                         }
 933
 934                         int main () {
 935                                 pthread_t t1, t2;
 936
 937                                 i = 5;
 938
 939                                 pthread_create (&t1, NULL, thread_main, 1);
 940                                 pthread_create (&t2, NULL, thread_main, 2);
 941
 942                                 pthread_join (t1, NULL);
 943                                 pthread_join (t2, NULL);
 944
 945                                 return !(res1 + res2 == 2);
 946                         }
 947                 ], [
 948                                 AC_MSG_RESULT(yes)
 949                 ], [
 950                                 AC_MSG_RESULT(no)
 951                                 with_tls=pthread
 952                 ])
 953         fi
 954
 955         dnl **************************************
 956         dnl *** Checks for working sigaltstack ***
 957         dnl **************************************
 958         AC_MSG_CHECKING(for working sigaltstack)
 959         if test "x$with_sigaltstack" != "xyes"; then
 960                 AC_MSG_RESULT(disabled)
 961         else
 962                 AC_TRY_RUN([
 963                         #include <stdio.h>
 964                         #include <stdlib.h>
 965                         #include <unistd.h>
 966                         #include <signal.h>
 967                         #include <pthread.h>
 968                         #include <sys/wait.h>
 969                         #if defined(__FreeBSD__) || defined(__NetBSD__)
 970                         #define SA_STACK SA_ONSTACK
 971                         #endif
 972                         static void
 973                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
 974                         {
 975                                 exit (0);
 976                         }
 977
 978                         static void *
 979                         loop (void *ignored)
 980                         {
 981                                 char *ptr = NULL;
 982
 983                                 *ptr = 0;
 984                                 return NULL;
 985                         }
 986
 987                         static void
 988                         child ()
 989                         {
 990                                 struct sigaction sa;
 991                                 struct sigaltstack sas;
 992                                 pthread_t id;
 993                                 pthread_attr_t attr;
 994
 995                                 sa.sa_sigaction = sigsegv_signal_handler;
 996                                 sigemptyset (&sa.sa_mask);
 997                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
 998                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
 999                                         perror ("sigaction");
1000                                         return;
1001                                 }
1002
1003                                 sas.ss_sp = malloc (SIGSTKSZ);
1004                                 sas.ss_size = SIGSTKSZ;
1005                                 sas.ss_flags = 0;
1006                                 if (sigaltstack (&sas, NULL) == -1) {
1007                                         perror ("sigaltstack");
1008                                         return;
1009                                 }
1010
1011                                 pthread_attr_init (&attr);
1012                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1013                                         printf ("pthread_create\n");
1014                                         return;
1015                                 }
1016
1017                                 sleep (100);
1018                         }
1019
1020                         int
1021                         main ()
1022                         {
1023                                 pid_t son;
1024                                 int status;
1025                                 int i;
1026
1027                                 son = fork ();
1028                                 if (son == -1) {
1029                                         return 1;
1030                                 }
1031
1032                                 if (son == 0) {
1033                                         child ();
1034                                         return 0;
1035                                 }
1036
1037                                 for (i = 0; i < 3; ++i) {
1038                                         sleep (1);
1039                                         waitpid (son, &status, WNOHANG);
1040                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1041                                                 return 0;
1042                                 }
1043
1044                                 kill (son, SIGKILL);
1045                                 return 1;
1046                         }
1047
1048                 ], [
1049                                 AC_MSG_RESULT(yes)
1050                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1051                 ], [
1052                                 with_sigaltstack=no
1053                                 AC_MSG_RESULT(no)
1054                 ])
1055         fi
1056
1057         dnl ********************************
1058         dnl *** Checks for semaphore lib ***
1059         dnl ********************************
1060         # 'Real Time' functions on Solaris
1061         # posix4 on Solaris 2.6
1062         # pthread (first!) on Linux
1063         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1064
1065         dnl ********************************
1066         dnl *** Checks for timezone stuff **
1067         dnl ********************************
1068         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1069                 AC_TRY_COMPILE([
1070                         #include <time.h>
1071                         ], [
1072                         struct tm tm;
1073                         tm.tm_gmtoff = 1;
1074                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1075         if test $ac_cv_struct_tm_gmtoff = yes; then
1076                 AC_DEFINE(HAVE_TM_GMTOFF)
1077         else
1078                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1079                         AC_TRY_COMPILE([
1080                                 #include <time.h>
1081                         ], [
1082                                 timezone = 1;
1083                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1084                 if test $ac_cv_var_timezone = yes; then
1085                         AC_DEFINE(HAVE_TIMEZONE)
1086                 else
1087                         AC_ERROR(unable to find a way to determine timezone)
1088                 fi
1089         fi
1090
1091         dnl *********************************
1092         dnl *** Checks for math functions ***
1093         dnl *********************************
1094         LIBS="$LIBS -lm";
1095         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1096                 AC_TRY_LINK([#include <math.h>],
1097                 [ finite(0.0); ],
1098                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1099                 AC_MSG_RESULT(no)))
1100         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1101                 AC_TRY_LINK([#include <math.h>],
1102                 [ isfinite(0.0); ],
1103                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1104                 AC_MSG_RESULT(no)))
1105
1106         dnl ****************************************************************
1107         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1108         dnl *** have it in the library (duh))                            ***
1109         dnl ****************************************************************
1110         AC_CHECK_FUNCS(poll)
1111
1112         dnl *************************
1113         dnl *** Check for signbit ***
1114         dnl *************************
1115         AC_MSG_CHECKING(for signbit)
1116         AC_TRY_LINK([#include <math.h>], [
1117                 int s = signbit(1.0);
1118         ], [
1119                 AC_MSG_RESULT(yes)
1120                 AC_DEFINE(HAVE_SIGNBIT)
1121         ], [
1122                 AC_MSG_RESULT(no)
1123         ])
1124
1125         dnl *********************
1126         dnl *** Check for AIO ***
1127         dnl *********************
1128         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1129         dnl Some systems (FreeBSD at least) may have aio_read
1130         dnl but don't support/define SIGEV_THREAD.
1131         AC_TRY_COMPILE([
1132         #include <sys/signal.h>
1133         ],[
1134         int x = SIGEV_THREAD;
1135         ],[
1136                 ac_cv_c_sigev_thread=yes
1137                 AC_MSG_RESULT(yes)
1138         ],[
1139                 AC_MSG_RESULT(no)
1140         ])
1141
1142         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1143                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1144                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1145                 SIGVAL_PTR="undefined"
1146                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1147                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1148                                         #include <sys/signal.h>
1149                                         ])
1150                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1151                                         #include <sys/signal.h>
1152                                         ])
1153                         if test "$SIGVAL_PTR" = "undefined" ; then
1154                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1155                         fi
1156                 fi
1157                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1158         fi
1159
1160         dnl **********************************
1161         dnl *** epoll                      ***
1162         dnl **********************************
1163         AC_CHECK_HEADERS(sys/epoll.h)
1164         haveepoll=no
1165         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1166         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1167                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1168         fi
1169
1170         dnl ******************************
1171         dnl *** Checks for SIOCGIFCONF ***
1172         dnl ******************************
1173         AC_CHECK_HEADERS(sys/ioctl.h)
1174         AC_CHECK_HEADERS(net/if.h)
1175         AC_MSG_CHECKING(for ifreq)
1176         AC_TRY_COMPILE([
1177                 #include <sys/ioctl.h>
1178                 #include <net/if.h>
1179                 ], [
1180                 struct ifconf ifc;
1181                 struct ifreq *ifr;
1182                 void *x;
1183                 ifc.ifc_len = 0;
1184                 ifc.ifc_buf = NULL;
1185                 x = (void *) &ifr->ifr_addr;
1186                 ],[
1187                         AC_MSG_RESULT(yes)
1188                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1189                 ], [
1190                         AC_MSG_RESULT(no)
1191                 ])
1192         dnl **********************************
1193         dnl *** Checks for MonoPosixHelper ***
1194         dnl **********************************
1195         AC_CHECK_FUNC(setkey, ,
1196                 AC_CHECK_LIB(crypt, setkey, [
1197                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1198                         CRYPT_LIBS="-lcrypt"
1199                 ])
1200         )
1201         AC_SUBST(CRYPT_LIBS)
1202         AC_CHECK_HEADERS(checklist.h)
1203         AC_CHECK_HEADERS(fstab.h)
1204         AC_CHECK_HEADERS(attr/xattr.h)
1205         AC_CHECK_HEADERS(sys/extattr.h)
1206         AC_CHECK_HEADERS(sys/sendfile.h)
1207         AC_CHECK_HEADERS(sys/statvfs.h)
1208         AC_CHECK_HEADERS(sys/vfstab.h)
1209         AC_CHECK_HEADERS(sys/xattr.h)
1210         AC_CHECK_HEADERS(sys/mman.h)
1211         AC_CHECK_FUNCS(getdomainname)
1212         AC_CHECK_FUNCS(setdomainname)
1213         AC_CHECK_FUNCS(fgetgrent)
1214         AC_CHECK_FUNCS(fgetpwent)
1215         AC_CHECK_FUNCS(fgetpwent)
1216         AC_CHECK_FUNCS(getfsstat)
1217         AC_CHECK_FUNCS(lutimes)
1218         AC_CHECK_FUNCS(mremap)
1219         AC_CHECK_FUNCS(remap_file_pages)
1220         AC_CHECK_FUNCS(posix_fadvise)
1221         AC_CHECK_FUNCS(posix_fallocate)
1222         AC_CHECK_FUNCS(posix_madvise)
1223         AC_CHECK_FUNCS(vsnprintf)
1224         AC_CHECK_FUNCS(sendfile)
1225         AC_CHECK_FUNCS(sethostid)
1226         AC_CHECK_FUNCS(statfs)
1227         AC_CHECK_FUNCS(fstatfs)
1228         AC_CHECK_FUNCS(statvfs)
1229         AC_CHECK_FUNCS(fstatvfs)
1230         AC_CHECK_FUNCS(stime)
1231         AC_CHECK_FUNCS(strerror_r)
1232         AC_CHECK_FUNCS(ttyname_r)
1233         AC_CHECK_SIZEOF(size_t)
1234         AC_CHECK_MEMBERS(
1235                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1236                 [#include <sys/types.h>
1237                  #include <dirent.h>])
1238
1239         dnl Favour xattr through glibc, but use libattr if we have to
1240         AC_CHECK_FUNC(lsetxattr, ,
1241                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1242         )
1243         AC_SUBST(XATTR_LIB)
1244
1245         dnl *********************************
1246         dnl *** Check for Console 2.0 I/O ***
1247         dnl *********************************
1248         AC_CHECK_HEADERS([curses.h])
1249         AC_CHECK_HEADERS([term.h], [], [],
1250         [#if HAVE_CURSES_H
1251          #include <curses.h>
1252          #endif
1253         ])
1254         AC_CHECK_HEADERS([termios.h])
1255
1256         dnl * This is provided in io-layer, but on windows it's only available
1257         dnl * on xp+
1258         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1259 else
1260         jdk_headers_found=no
1261         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1262         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1263         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1264
1265         dnl *********************************
1266         dnl *** Check for struct ip_mreqn ***
1267         dnl *********************************
1268         AC_MSG_CHECKING(for struct ip_mreqn)
1269         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1270                 struct ip_mreqn mreq;
1271                 mreq.imr_address.s_addr = 0;
1272         ], [
1273                 # Yes, we have it...
1274                 AC_MSG_RESULT(yes)
1275                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1276         ], [
1277                 # We'll just have to try and use struct ip_mreq
1278                 AC_MSG_RESULT(no)
1279                 AC_MSG_CHECKING(for struct ip_mreq)
1280                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1281                         struct ip_mreq mreq;
1282                         mreq.imr_interface.s_addr = 0;
1283                 ], [
1284                         # Yes, we have it...
1285                         AC_MSG_RESULT(yes)
1286                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1287                 ], [
1288                         # No multicast support
1289                         AC_MSG_RESULT(no)
1290                 ])
1291         ])
1292         AC_CHECK_FUNCS(GetProcessId)
1293 fi
1294
1295 dnl socklen_t check
1296 AC_MSG_CHECKING(for socklen_t)
1297 AC_TRY_COMPILE([
1298 #include <sys/types.h>
1299 #include <sys/socket.h>
1300 ],[
1301   socklen_t foo;
1302 ],[
1303 ac_cv_c_socklen_t=yes
1304         AC_DEFINE(HAVE_SOCKLEN_T)
1305         AC_MSG_RESULT(yes)
1306 ],[
1307         AC_MSG_RESULT(no)
1308 ])
1309
1310 AC_MSG_CHECKING(for array element initalizer support)
1311 AC_TRY_COMPILE([#include <sys/socket.h>], [
1312         const int array[] = {[1] = 2,};
1313 ], [
1314         # Yes, we have it...
1315         AC_MSG_RESULT(yes)
1316         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1317 ], [
1318         # We'll have to use signals
1319         AC_MSG_RESULT(no)
1320 ])
1321
1322 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1323         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1324         AC_TRY_LINK([#include <math.h>],
1325         [ static void *p = &trunc; ],
1326         [
1327                 AC_DEFINE(HAVE_TRUNC)
1328                 AC_MSG_RESULT(yes)
1329                 ac_cv_trunc=yes
1330         ],
1331         AC_MSG_RESULT(no)))
1332
1333 if test "x$ac_cv_truncl" != "xyes"; then
1334    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1335 fi
1336
1337 dnl ****************************
1338 dnl *** Look for /dev/random ***
1339 dnl ****************************
1340
1341 AC_MSG_CHECKING([if usage of random device is requested])
1342 AC_ARG_ENABLE(dev-random,
1343 [  --disable-dev-random    disable the use of the random device],
1344 try_dev_random=$enableval, try_dev_random=yes)
1345 AC_MSG_RESULT($try_dev_random)
1346
1347 case "{$target}" in
1348     *-openbsd*)
1349     NAME_DEV_RANDOM="/dev/srandom"
1350     ;;
1351
1352 dnl Win32 does not have /dev/random, they have their own method...
1353
1354     *-*-mingw*|*-*-cygwin*)
1355     ac_cv_have_dev_random=no
1356     ;;
1357
1358 dnl Everywhere else, it's /dev/random
1359
1360     *)
1361     NAME_DEV_RANDOM="/dev/random"
1362     ;;
1363 esac
1364
1365 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1366
1367 dnl Now check if the device actually exists
1368
1369 if test "x$try_dev_random" = "xyes"; then
1370     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1371     [if test -r "$NAME_DEV_RANDOM" ; then
1372         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1373     if test "x$ac_cv_have_dev_random" = "xyes"; then
1374         AC_DEFINE(HAVE_CRYPT_RNG)
1375     fi
1376 else
1377     AC_MSG_CHECKING(for random device)
1378     ac_cv_have_dev_random=no
1379     AC_MSG_RESULT(has been disabled)
1380 fi
1381
1382 if test "x$platform_win32" = "xyes"; then
1383     AC_DEFINE(HAVE_CRYPT_RNG)
1384 fi
1385
1386 if test "x$ac_cv_have_dev_random" = "xno" \
1387     && test "x$platform_win32" = "xno"; then
1388     AC_MSG_WARN([[
1389 ***
1390 *** A system-provided entropy source was not found on this system.
1391 *** Because of this, the System.Security.Cryptography random number generator
1392 *** will throw a NotImplemented exception.
1393 ***
1394 *** If you are seeing this message, and you know your system DOES have an
1395 *** entropy collection in place, please contact <crichton@gimp.org> and
1396 *** provide information about the system and how to access the random device.
1397 ***
1398 *** Otherwise you can install either egd or prngd and set the environment
1399 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1400 ***]])
1401 fi
1402
1403 AC_MSG_CHECKING([if inter-process shared handles are requested])
1404 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1405 AC_MSG_RESULT($try_shared_handles)
1406 if test "x$try_shared_handles" != "xyes"; then
1407         AC_DEFINE(DISABLE_SHARED_HANDLES)
1408         AC_SUBST(DISABLE_SHARED_HANDLES)
1409 fi
1410
1411 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1412 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1413
1414 TARGET="unknown"
1415 ACCESS_UNALIGNED="yes"
1416
1417 JIT_SUPPORTED=no
1418 INTERP_SUPPORTED=no
1419 LIBC="libc.so.6"
1420 INTL="libc.so.6"
1421 SQLITE="libsqlite.so.0"
1422 SQLITE3="libsqlite3.so.0"
1423 X11="libX11.so"
1424
1425 jit_wanted=false
1426 interp_wanted=false
1427 case "$host" in
1428 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1429 #               TARGET=MIPS;
1430 #               ACCESS_UNALIGNED="no"
1431 #               ;;
1432         i*86-*-*)
1433                 TARGET=X86;
1434                 arch_target=x86;
1435                 JIT_SUPPORTED=yes
1436                 jit_wanted=true
1437                 case $host_os in
1438                   solaris*)
1439                         LIBC="libc.so"
1440                         INTL="libintl.so"
1441                 esac
1442                 ;;
1443         x86_64-*-* | amd64-*-*)
1444                 TARGET=AMD64;
1445                 arch_target=amd64;
1446                 JIT_SUPPORTED=yes
1447                 jit_wanted=true
1448                 ;;
1449         ia64-*-*)
1450                 TARGET=IA64
1451                 arch_target=ia64
1452                 ACCESS_UNALIGNED="no"
1453                 JIT_SUPPORTED=yes
1454                 jit_wanted=true
1455                 LIBC="libc.so.6.1"
1456                 INTL="libc.so.6.1"
1457                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1458                 libmono_ldflags="-lunwind"
1459                 ;;
1460         sparc*-*-*)
1461                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1462                    TARGET=SPARC64
1463                 else
1464                         TARGET=SPARC
1465                 fi
1466                 arch_target=sparc;
1467                 JIT_SUPPORTED=yes
1468                 ACCESS_UNALIGNED="no"
1469                 case $host_os in
1470                   linux*) ;;
1471                   *)
1472                         LIBC="libc.so"
1473                         INTL="libintl.so"
1474                 esac
1475                 jit_wanted=true
1476                 if test x"$GCC" = xyes; then
1477                         CFLAGS="$CFLAGS -Wno-cast-align"
1478                 fi
1479                 ;;
1480        alpha*-*-linux* | alpha*-*-osf*)
1481                 TARGET=ALPHA;
1482                 ACCESS_UNALIGNED="no"
1483                 JIT_SUPPORTED=no
1484                 INTERP_SUPPORTED=yes
1485                 interp_wanted=true
1486                 arch_target=alpha;
1487                 case $host_os in
1488                   linux*)
1489                         LIBC="libc.so.6.1"
1490                         INTL="libc.so.6.1"
1491                 esac
1492                ;;
1493         *-*-mingw*|*-*-cygwin*)
1494                 INTL="intl"
1495                 ;;
1496         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1497                 TARGET=HPPA;
1498                 arch_target=hppa;
1499                 LIBC="libc.sl"
1500                 ACCESS_UNALIGNED="no"
1501                 INTERP_SUPPORTED=yes
1502                 interp_wanted=true
1503                 ;;
1504         hppa*linux*)
1505                 TARGET=HPPA;
1506                 arch_target=hppa;
1507                 ACCESS_UNALIGNED="no"
1508                 INTERP_SUPPORTED=yes
1509                 interp_wanted=true
1510                 ;;
1511         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1512         powerpc-*-sysv* | powerpc-*-darwin*)
1513                 TARGET=POWERPC;
1514                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1515                 arch_target=ppc;
1516                 JIT_SUPPORTED=yes
1517                 jit_wanted=true
1518                 ;;
1519         arm*-linux*)
1520                 TARGET=ARM;
1521                 arch_target=arm;
1522                 ACCESS_UNALIGNED="no"
1523                 JIT_SUPPORTED=yes
1524                 jit_wanted=true
1525                 ;;
1526         s390-*-linux*)
1527                 TARGET=S390;
1528                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1529                 arch_target=s390;
1530                 ACCESS_UNALIGNED="no"
1531                 JIT_SUPPORTED=yes
1532                 ;;
1533         s390x-*-linux*)
1534                 TARGET=S390x;
1535                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1536                 arch_target=s390x;
1537                 ACCESS_UNALIGNED="no"
1538                 JIT_SUPPORTED=yes
1539                 ;;
1540 esac
1541
1542 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1543         if test x$withval = xyes; then
1544            jit_wanted=true
1545         else
1546            jit_wanted=false
1547         fi
1548 ])
1549
1550 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1551         if test x$withval = xyes; then
1552            interp_wanted=true
1553         else
1554            interp_wanted=false
1555         fi
1556 ])
1557
1558 USEJIT=false
1559 if test x$JIT_SUPPORTED = xyes; then
1560    if $jit_wanted; then
1561       USEJIT=true
1562       jit_status="Building and using the JIT"
1563    else
1564       if $interp_wanted; then
1565          jit_status="Building the JIT, defaulting to the interpreter"
1566       else
1567          AC_ERROR(No JIT or interpreter support available or selected.)
1568       fi
1569    fi
1570 else
1571    if test x$interp_wanted = xtrue; then
1572       jit_status="interpreter"
1573    else
1574       AC_ERROR(No JIT or interpreter support available or selected.)
1575    fi
1576 fi
1577
1578 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1579
1580 libsuffix=".so"
1581
1582 case "$host" in
1583      *-*-darwin*)
1584         libsuffix=".dylib"
1585         LIBC="libc.dylib"
1586         INTL="libintl.dylib"
1587         SQLITE="libsqlite.0.dylib"
1588         SQLITE3="libsqlite3.0.dylib"
1589         X11="libX11.dylib"
1590         ;;
1591      *-*-*netbsd*)
1592         LIBC="libc.so.12"
1593         INTL="libintl.so.0"
1594         ;;
1595     *-*-*freebsd*)
1596         LIBC="libc.so"
1597         INTL="libintl.so"
1598         ;;
1599     *-*-*openbsd*)
1600         LIBC="libc.so"
1601         INTL="libintl.so"
1602         ;;
1603     *-*-*linux*)
1604         AC_PATH_X
1605         AC_MSG_CHECKING(for the soname of libX11.so)
1606         for i in $x_libraries /usr/lib /usr/lib64; do
1607                 for r in 4 5 6; do
1608                         if test -f $i/libX11.so.$r; then
1609                                 X11=libX11.so.$r
1610                                 AC_MSG_RESULT($X11)
1611                         fi
1612                 done
1613         done
1614
1615         if test "x$X11" = "xlibX11.so"; then
1616                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1617         fi
1618         ;;
1619 esac
1620
1621
1622 AC_SUBST(libsuffix)
1623
1624 if test "x$TARGET" != "xAMD64"; then
1625    # valgrind headers don't compile under x86-64
1626    AC_CHECK_HEADERS(valgrind/memcheck.h)
1627 fi
1628
1629 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1630         if test "x$with_tls" = "x__thread"; then
1631                 #
1632                 # On some linux distributions, TLS works in executables, but linking
1633                 # against a shared library containing TLS fails with:
1634                 # undefined reference to `__tls_get_addr'
1635                 #
1636                 rm -f conftest.c conftest.so conftest
1637                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1638                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1639                 $CC -o conftest conftest.so > /dev/null 2>&1
1640                 if test ! -f conftest; then
1641                    AC_MSG_WARN([Disabling usage of __thread.]);
1642                    with_tls=pthread
1643                 fi
1644                 rm -f conftest.c conftest.so conftest
1645         fi
1646 fi
1647
1648 mono_debugger_supported=no
1649 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1650         case "$host" in
1651         *-*-*linux*)
1652                 mono_debugger_supported=yes
1653                 ;;
1654         esac
1655 fi
1656
1657 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1658 if test "x$mono_debugger_supported" = "xyes"; then
1659         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1660 fi
1661 AC_MSG_RESULT($mono_debugger_supported)
1662 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1663
1664 if test "x$with_tls" = "x__thread"; then
1665         AC_DEFINE(HAVE_KW_THREAD)
1666    # Pass the information to libgc
1667         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1668         export CPPFLAGS
1669         AC_MSG_CHECKING(if the tls_model attribute is supported)
1670         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1671                 ], [
1672                         AC_MSG_RESULT(yes)
1673                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1674                 ], [
1675                         AC_MSG_RESULT(no)
1676         ])
1677 fi
1678
1679 if test ${TARGET} = ARM; then
1680         dnl ******************************************
1681         dnl *** Check to see what FPU is available ***
1682         dnl ******************************************
1683         AC_MSG_CHECKING(which FPU to use)
1684
1685         AC_TRY_COMPILE([], [
1686                 __asm__ ("ldfd f0, [r0]");
1687                 ], fpu=FPA, [
1688                         AC_TRY_COMPILE([], [
1689                                 __asm__ ("fldd d0, [r0]");
1690                         ], fpu=VFP, fpu=NONE)
1691                 ])
1692
1693         AC_MSG_RESULT($fpu)
1694         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1695         unset fpu
1696 fi
1697
1698 if test ${TARGET} = unknown; then
1699         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1700         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1701 fi
1702
1703 if test ${ACCESS_UNALIGNED} = no; then
1704         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1705 fi
1706
1707 PREVIEW=yes
1708 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1709         if test x$with_preview = xno; then
1710               PREVIEW=no
1711         fi
1712 ])
1713
1714 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1715
1716 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1717 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1718 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1719 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1720 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1721 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1722 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1723 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1724 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1725 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1726 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1727 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1728 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1729 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1730
1731 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1732 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1733 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1734
1735 AC_SUBST(LIBC)
1736 AC_SUBST(INTL)
1737 AC_SUBST(SQLITE)
1738 AC_SUBST(SQLITE3)
1739 AC_SUBST(X11)
1740
1741 AC_SUBST(arch_target)
1742 AC_SUBST(CFLAGS)
1743 AC_SUBST(CPPFLAGS)
1744 AC_SUBST(LDFLAGS)
1745
1746 mono_build_root=`pwd`
1747 AC_SUBST(mono_build_root)
1748
1749 if test x$USEJIT = xtrue; then
1750   mono_runtime=mono/mini/mono
1751 else
1752   mono_runtime=mono/interpreter/mint
1753 fi
1754 AC_SUBST(mono_runtime)
1755
1756 mono_cfg_root=$mono_build_root/runtime
1757 if test x$platform_win32 = xyes; then
1758   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1759 else
1760   mono_cfg_dir=$mono_cfg_root/etc
1761 fi
1762 AC_SUBST(mono_cfg_dir)
1763
1764 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1765 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1766 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1767
1768 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1769 [   depth=../../../..
1770     case $srcdir in
1771     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1772     .) reldir=$depth ;;
1773     *) reldir=$depth/$srcdir ;;
1774     esac
1775     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1776     cd runtime/etc/mono/1.0
1777     rm -f machine.config
1778     $LN_S $reldir/data/net_1_1/machine.config machine.config
1779     cd $depth
1780 ],[LN_S='$LN_S'])
1781
1782 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1783 [   depth=../../../..
1784     case $srcdir in
1785     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1786     .) reldir=$depth ;;
1787     *) reldir=$depth/$srcdir ;;
1788     esac
1789     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1790     cd runtime/etc/mono/2.0
1791     rm -f machine.config
1792     $LN_S $reldir/data/net_2_0/machine.config machine.config
1793     cd $depth
1794 ],[LN_S='$LN_S'])
1795
1796 AC_OUTPUT([
1797 Makefile
1798 mint.pc
1799 mono.pc
1800 mono-cairo.pc
1801 dotnet.pc
1802 mono-uninstalled.pc
1803 scripts/mono-nunit.pc
1804 scripts/mono-find-provides
1805 scripts/mono-find-requires
1806 mono/Makefile
1807 mono/utils/Makefile
1808 mono/metadata/Makefile
1809 mono/dis/Makefile
1810 mono/cil/Makefile
1811 mono/arch/Makefile
1812 mono/os/Makefile
1813 mono/os/win32/Makefile
1814 mono/os/unix/Makefile
1815 mono/arch/x86/Makefile
1816 mono/arch/amd64/Makefile
1817 mono/arch/hppa/Makefile
1818 mono/arch/ppc/Makefile
1819 mono/arch/sparc/Makefile
1820 mono/arch/s390/Makefile
1821 mono/arch/s390x/Makefile
1822 mono/arch/arm/Makefile
1823 mono/arch/alpha/Makefile
1824 mono/arch/ia64/Makefile
1825 mono/interpreter/Makefile
1826 mono/tests/Makefile
1827 mono/tests/tests-config
1828 mono/benchmark/Makefile
1829 mono/monoburg/Makefile
1830 mono/monograph/Makefile
1831 mono/io-layer/Makefile
1832 mono/mini/Makefile
1833 mono/handles/Makefile
1834 mono/profiler/Makefile
1835 ikvm-native/Makefile
1836 scripts/Makefile
1837 man/Makefile
1838 web/Makefile
1839 docs/Makefile
1840 data/Makefile
1841 data/net_1_1/Makefile
1842 data/net_2_0/Makefile
1843 samples/Makefile
1844 support/Makefile
1845 data/config
1846 tools/Makefile
1847 tools/locale-builder/Makefile
1848 runtime/Makefile
1849 ])
1850
1851 if test x$platform_win32 = xyes; then
1852    # Get rid of 'cyg' prefixes in library names
1853    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1854    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1855    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1856    # executable doesn't work...
1857    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1858 fi
1859
1860 (
1861   case $prefix in
1862   NONE) prefix=$ac_default_prefix ;;
1863   esac
1864   case $exec_prefix in
1865   NONE) exec_prefix='${prefix}' ;;
1866   esac
1867
1868   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1869
1870   #
1871   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1872   # any existing config.make.  This allows people to share the same source tree
1873   # with different build directories, one native and one cross
1874   #
1875   if test x$cross_compiling = xno; then
1876     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1877     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1878     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1879     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1880     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1881     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1882     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1883
1884     case $INSTALL in
1885     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1886     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
1887     esac
1888
1889     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
1890
1891     export VERSION
1892     [myver=$($AWK 'BEGIN {
1893       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
1894       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
1895     }')]
1896
1897     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
1898   fi
1899 )
1900
1901 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
1902
1903 echo "
1904         mcs source:  $mcs_topdir
1905         GC:          $gc
1906         TLS:         $with_tls
1907         SIGALTSTACK: $with_sigaltstack
1908         Engine:      $jit_status
1909         2.0 Alpha:   $PREVIEW
1910         JNI support: $jdk_headers_found
1911         libgdiplus:  $libgdiplus_msg
1912         $disabled
1913
1914 "