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,1.1.17)
  10 AM_MAINTAINER_MODE
  11
  12 AC_PROG_LN_S
  13
  14 # In case of cygwin, override LN_S, irrespective of what it determines.
  15 # The build uses cygwin, but the actual runtime doesn't.
  16 case $host_os in
  17 *cygwin* ) LN_S='cp -p';;
  18 esac
  19
  20
  21 dnl
  22 dnl libgc checks
  23 dnl
  24
  25 gc_headers=no
  26 gc=included
  27 use_included_gc=no
  28 libgc_configure_args=
  29
  30 if test -d $srcdir/libgc ; then
  31   gc_default=included
  32 else
  33   gc_default=boehm
  34 fi
  35
  36 #
  37 # These are the flags that need to be stored in the mono.pc file for
  38 # compiling code that will embed Mono
  39 #
  40 libmono_cflags=""
  41 libmono_ldflags=""
  42 AC_SUBST(libmono_cflags)
  43 AC_SUBST(libmono_ldflags)
  44
  45 # Variable to have relocatable .pc files (lib, or lib64)
  46 reloc_libdir=`basename ${libdir}`
  47 AC_SUBST(reloc_libdir)
  48
  49
  50 dnl if linker handles the version script
  51 no_version_script=no
  52
  53 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  54 need_link_unlink=no
  55
  56 # Thread configuration inspired by sleepycat's db
  57 AC_MSG_CHECKING([host platform characteristics])
  58 libgc_threads=no
  59 case "$host" in
  60         *-*-mingw*|*-*-cygwin*)
  61                 platform_win32=yes
  62                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  63                 if test "x$cross_compiling" = "xno"; then
  64                         CC="gcc -mno-cygwin -g"
  65                         # So libgc configure gets -mno-cygwin
  66                         export CC
  67                 fi
  68                 HOST_CC="gcc"
  69                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
  70                 libmono_cflags="-mno-cygwin"
  71                 libmono_ldflags="-mno-cygwin"
  72                 libdl=
  73                 libgc_threads=win32
  74                 gc_default=included
  75                 with_nptl=default
  76                 with_sigaltstack=no
  77                 LN_S=cp
  78                 # This forces libgc to use the DllMain based thread registration code on win32
  79                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  80                 ;;
  81         *-*-*netbsd*)
  82                 platform_win32=no
  83                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  84                 libmono_cflags="-D_REENTRANT"
  85                 LDFLAGS="$LDFLAGS -pthread"
  86                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  87                 libmono_ldflags="-pthread"
  88                 need_link_unlink=yes
  89                 libdl=
  90                 libgc_threads=no
  91                 ;;
  92 # these flags will work for all versions of -STABLE
  93 #
  94         *-*-*freebsd4*)
  95                 platform_win32=no
  96                 if test "x$PTHREAD_CFLAGS" = "x"; then
  97                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  98                         libmono_cflags="-D_THREAD_SAFE"
  99                 else
 100                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 101                         libmono_cflags="$PTHREAD_CFLAGS"
 102                 fi
 103                 if test "x$PTHREAD_LIBS" = "x"; then
 104                         LDFLAGS="$LDFLAGS -pthread"
 105                         libmono_ldflags="-pthread"
 106                 else
 107                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 108                         libmono_ldflags="$PTHREAD_LIBS"
 109                 fi
 110                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 111                 need_link_unlink=yes
 112                 AC_DEFINE(PTHREAD_POINTER_ID)
 113                 libdl=
 114                 libgc_threads=pthreads
 115 # TLS isn't implemented at all on 4-STABLE
 116                 with_nptl=no
 117                 with_tls=pthread
 118                 ;;
 119         *-*-*freebsd5*)
 120                 platform_win32=no
 121                 if test "x$PTHREAD_CFLAGS" = "x"; then
 122                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 123                         libmono_cflags=
 124                 else
 125                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 126                         libmono_cflags="$PTHREAD_CFLAGS"
 127                 fi
 128                 if test "x$PTHREAD_LIBS" = "x"; then
 129                         LDFLAGS="$LDFLAGS -pthread"
 130                         libmono_ldflags="-pthread"
 131                 else
 132                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 133                         libmono_ldflags="$PTHREAD_LIBS"
 134                 fi
 135                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 136                 need_link_unlink=yes
 137                 AC_DEFINE(PTHREAD_POINTER_ID)
 138                 libdl=
 139                 with_sigaltstack=yes
 140                 libgc_threads=pthreads
 141 # TLS is only partially implemented on 5-STABLE (compiler support
 142 # but NOT library support)
 143 #
 144                 with_tls=pthread
 145                 ;;
 146         *-*-*freebsd6*)
 147                 platform_win32=no
 148                 if test "x$PTHREAD_CFLAGS" = "x"; then
 149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 150                         libmono_cflags=
 151                 else
 152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 153                         libmono_cflags="$PTHREAD_CFLAGS"
 154                 fi
 155                 if test "x$PTHREAD_LIBS" = "x"; then
 156                         LDFLAGS="$LDFLAGS -pthread"
 157                         libmono_ldflags="-pthread"
 158                 else
 159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 160                         libmono_ldflags="$PTHREAD_LIBS"
 161                 fi
 162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 163                 need_link_unlink=yes
 164                 AC_DEFINE(PTHREAD_POINTER_ID)
 165                 libdl=
 166                 libgc_threads=pthreads
 167                 with_sigaltstack=yes
 168 # TLS is only partially implemented on -CURRENT (compiler support
 169 # but NOT library support)
 170 #
 171                 with_tls=pthread
 172                 ;;
 173         *-*-*openbsd*)
 174                 platform_win32=no
 175                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 176                 libmono_cflags="-D_THREAD_SAFE"
 177                 LDFLAGS="$LDFLAGS -pthread"
 178                 libmono_ldflags="-pthread"
 179                 need_link_unlink=yes
 180                 AC_DEFINE(PTHREAD_POINTER_ID)
 181                 libdl=
 182                 libgc_threads=pthreads
 183                 ;;
 184         *-*-linux*)
 185                 platform_win32=no
 186                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 187                 libmono_cflags="-D_REENTRANT"
 188                 libmono_ldflags="-lpthread"
 189                 libdl="-ldl"
 190                 libgc_threads=pthreads
 191                 ;;
 192         *-*-hpux*)
 193         platform_win32=no
 194                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 195                 CFLAGS="$CFLAGS +ESdbgasm"
 196                 LDFLAGS="$LDFLAGS -z"
 197                 libmono_cflags="-D_REENTRANT"
 198                 libmono_ldflags="-lpthread"
 199                 libgc_threads=pthreads
 200                 need_link_unlink=yes
 201                 ;;
 202         *-*-solaris*)
 203                 platform_win32=no
 204                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 205                 need_link_unlink=yes
 206                 libmono_cflags="-D_REENTRANT"
 207                 libgc_threads=pthreads
 208                 # This doesn't seem to work on solaris/x86, but the configure test runs
 209                 with_nptl=no
 210                 ;;
 211         *-*-darwin*)
 212                 platform_win32=no
 213                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
 214                 libmono_cflags="-D_THREAD_SAFE"
 215                 LDFLAGS="$LDFLAGS -pthread"
 216                 libmono_ldflags="-pthread"
 217                 need_link_unlink=yes
 218                 AC_DEFINE(PTHREAD_POINTER_ID)
 219                 AC_DEFINE(USE_MACH_SEMA)
 220                 no_version_script=yes
 221                 libdl=
 222                 libgc_threads=pthreads
 223                 ;;
 224         *)
 225                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 226                 platform_win32=no
 227                 libdl="-ldl"
 228                 ;;
 229 esac
 230 AC_MSG_RESULT(ok)
 231
 232 if test x$need_link_unlink = xyes; then
 233    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 234 fi
 235
 236 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 237
 238 AC_CHECK_TOOL(CC, gcc, gcc)
 239 AC_PROG_CC
 240 AM_PROG_CC_STDC
 241 AC_PROG_INSTALL
 242 AC_PROG_AWK
 243 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 244 : ${CCAS='$(CC)'}
 245 # Set ASFLAGS if not already set.
 246 : ${CCASFLAGS='$(CFLAGS)'}
 247 AC_SUBST(CCAS)
 248 AC_SUBST(CCASFLAGS)
 249
 250 AC_CHECK_PROG(BISON, bison,yes,no)
 251 if test "x$BISON" = "xno";
 252 then
 253         AC_MSG_ERROR([You need to install bison])
 254 fi
 255
 256 dnl may require a specific autoconf version
 257 dnl AC_PROG_CC_FOR_BUILD
 258 dnl CC_FOR_BUILD not automatically detected
 259 CC_FOR_BUILD=$CC
 260 CFLAGS_FOR_BUILD=$CFLAGS
 261 BUILD_EXEEXT=
 262 if test "x$cross_compiling" = "xyes"; then
 263         CC_FOR_BUILD=cc
 264         CFLAGS_FOR_BUILD=
 265         BUILD_EXEEXT=""
 266 fi
 267 AC_SUBST(CC_FOR_BUILD)
 268 AC_SUBST(CFLAGS_FOR_BUILD)
 269 AC_SUBST(HOST_CC)
 270 AC_SUBST(BUILD_EXEEXT)
 271
 272 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 273
 274 # Set STDC_HEADERS
 275 AC_HEADER_STDC
 276 AC_LIBTOOL_WIN32_DLL
 277 # This causes monodis to not link correctly
 278 #AC_DISABLE_FAST_INSTALL
 279 AM_PROG_LIBTOOL
 280
 281 # Test whenever ld supports -version-script
 282 AC_PROG_LD
 283 AC_PROG_LD_GNU
 284 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 285    no_version_script=yes
 286 fi
 287
 288 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 289
 290 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 291
 292 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 293
 294 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 295
 296 # for mono/metadata/debug-symfile.c
 297 AC_CHECK_HEADERS(elf.h)
 298
 299 # for support
 300 AC_CHECK_HEADERS(poll.h)
 301 AC_CHECK_HEADERS(sys/poll.h)
 302 AC_CHECK_HEADERS(sys/wait.h)
 303 AC_CHECK_HEADERS(grp.h)
 304 AC_CHECK_HEADERS(syslog.h)
 305
 306 # for mono/dis
 307 AC_CHECK_HEADERS(wchar.h)
 308 case "$host" in
 309         *-*-*freebsd6*)
 310                 AC_CHECK_HEADERS(ieeefp.h)
 311         ;;
 312         *-*-*freebsd*)
 313                 /* Only freebsd6 has a working ieeefp.h */
 314         ;;
 315         *)
 316                 AC_CHECK_HEADERS(ieeefp.h)
 317         ;;
 318 esac
 319 AC_MSG_CHECKING(for isinf)
 320 AC_TRY_LINK([#include <math.h>], [
 321         int f = isinf (1);
 322 ], [
 323         AC_MSG_RESULT(yes)
 324         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 325 ], [
 326         # We'll have to use signals
 327         AC_MSG_RESULT(no)
 328 ])
 329
 330
 331 # not 64 bit clean in cross-compile
 332 AC_CHECK_SIZEOF(void *, 4)
 333
 334 WARN=''
 335 if test x"$GCC" = xyes; then
 336         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 337                 # The runtime code does not respect ANSI C strict aliasing rules
 338                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 339
 340                 ORIG_CFLAGS=$CFLAGS
 341                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 342                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 343                 AC_TRY_COMPILE([], [
 344                                                    void main () { }
 345                 ], [
 346                    AC_MSG_RESULT(yes)
 347                 ], [
 348                    AC_MSG_RESULT(no)
 349                    CFLAGS=$ORIG_CFLAGS
 350                 ])
 351 else
 352         # The Sun Forte compiler complains about inline functions that access static variables
 353         # so disable all inlining.
 354         case "$host" in
 355         *-*-solaris*)
 356                 CFLAGS="$CFLAGS -Dinline="
 357                 ;;
 358         esac
 359 fi
 360 CFLAGS="$CFLAGS -g $WARN"
 361
 362 # Where's the 'mcs' source tree?
 363 if test -d $srcdir/mcs; then
 364   mcsdir=mcs
 365 else
 366   mcsdir=../mcs
 367 fi
 368
 369 mcs_topdir='$(top_srcdir)/'$mcsdir
 370 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 371
 372 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 373 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
 374
 375 AC_SUBST([mcs_topdir])
 376 AC_SUBST([mcs_topdir_from_srcdir])
 377
 378 AC_ARG_WITH([libgdiplus],
 379         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 380         [], [with_libgdiplus=installed])
 381
 382 case $with_libgdiplus in
 383 no|installed) libgdiplus_loc= ;;
 384 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 385 /*) libgdiplus_loc=$with_libgdiplus ;;
 386 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 387 esac
 388 AC_SUBST([libgdiplus_loc])
 389
 390 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 391 if test "x$PKG_CONFIG" = "xno"; then
 392         AC_MSG_ERROR([You need to install pkg-config])
 393 fi
 394
 395 pkg_config_path=
 396 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 397         if test x$with_crosspkgdir = "x"; then
 398                 if test -s $PKG_CONFIG_PATH; then
 399                         pkg_config_path=$PKG_CONFIG_PATH
 400                 fi
 401         else
 402                 pkg_config_path=$with_crosspkgdir
 403                 PKG_CONFIG_PATH=$pkg_config_path
 404                 export PKG_CONFIG_PATH
 405         fi
 406 )
 407
 408 AC_ARG_WITH([glib],
 409         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 410         [], [with_glib=system])
 411
 412 case $with_glib in
 413 embedded)
 414   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 415   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib'
 416   AC_CONFIG_SUBDIRS(eglib)
 417   ;;
 418 system)
 419   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 420   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 421   AC_SUBST(BUILD_GLIB_CFLAGS)
 422   AC_SUBST(BUILD_GLIB_LIBS)
 423
 424   ## Versions of dependencies
 425   GLIB_REQUIRED_VERSION=1.3.11
 426
 427   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 428
 429   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 430   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 431   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 432   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 433   ;;
 434 *)
 435   AC_MSG_ERROR([Invalid argument to --with-glib.])
 436 esac
 437
 438 AC_SUBST(GLIB_CFLAGS)
 439 AC_SUBST(GLIB_LIBS)
 440 AC_SUBST(GMODULE_CFLAGS)
 441 AC_SUBST(GMODULE_LIBS)
 442
 443 if test x$cross_compiling$platform_win32 = xnoyes; then
 444    AC_MSG_CHECKING(for cygwin glib2-dev package)
 445    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 446       AC_MSG_RESULT(found)
 447           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 448    else
 449       AC_MSG_RESULT(not found, ok)
 450    fi
 451
 452    AC_MSG_CHECKING(for broken gwin32.h)
 453    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 454    if test -f $glib_include/glib/gwin32.h; then
 455           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 456                  AC_MSG_RESULT(failed)
 457                  hashmark='#'
 458                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 459           fi
 460    fi
 461    AC_MSG_RESULT(ok)
 462 fi
 463
 464 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 465
 466 # Enable support for fast thread-local storage
 467 # Some systems have broken support, so we allow to disable it.
 468 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 469
 470 # Kept for compatibility
 471 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 472
 473 if test "x$with_nptl" != "xdefault"; then
 474    if test "x$with_nptl" = "xyes"; then
 475       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 476           with_tls=__thread
 477    fi
 478    if test "x$with_nptl" = "xno"; then
 479       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 480           with_tls=pthread
 481    fi
 482 fi
 483
 484 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 485 # This does not work on some platforms (bug #55253)
 486 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 487
 488 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 489
 490 if test "x$enable_static" = "xno"; then
 491    with_static_mono=no
 492 fi
 493
 494 if test "x$platform_win32" = "xyes"; then
 495    # Boehm GC requires the runtime to be in its own dll
 496    with_static_mono=no
 497 fi
 498
 499 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 500
 501 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 502 if test "x$with_xen_opt" = "xyes"; then
 503         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 504         ORIG_CFLAGS=$CFLAGS
 505         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 506         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 507         AC_TRY_COMPILE([], [
 508                                            void main () { }
 509         ], [
 510            AC_MSG_RESULT(yes)
 511         ], [
 512            AC_MSG_RESULT(no)
 513            CFLAGS=$ORIG_CFLAGS
 514         ])
 515 fi
 516
 517 DISABLED_FEATURES=none
 518
 519 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 520   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 521   reflection_emit, large_code, logging, com, ssa, generics.],
 522 [
 523         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 524                 eval "mono_feature_disable_$feature='yes'"
 525                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 526         done
 527         DISABLED_FEATURES=$enable_minimal
 528         disabled="Disabled:    $enable_minimal"
 529 ],[])
 530
 531 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 532
 533 if test "x$mono_feature_disable_aot" = "xyes"; then
 534         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 535 fi
 536
 537 if test "x$mono_feature_disable_profiler" = "xyes"; then
 538         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 539 fi
 540
 541 if test "x$mono_feature_disable_decimal" = "xyes"; then
 542         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 543 fi
 544
 545 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 546         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 547 fi
 548
 549 if test "x$mono_feature_disable_debug" = "xyes"; then
 550         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 551 fi
 552
 553 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 554         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 555 fi
 556
 557 if test "x$mono_feature_disable_large_code" = "xyes"; then
 558         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 559 fi
 560
 561 if test "x$mono_feature_disable_logging" = "xyes"; then
 562         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 563 fi
 564
 565 if test "x$mono_feature_disable_com" = "xyes"; then
 566         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 567 fi
 568
 569 if test "x$mono_feature_disable_ssa" = "xyes"; then
 570         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 571 fi
 572
 573 if test "x$mono_feature_disable_generics" = "xyes"; then
 574         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 575 fi
 576
 577 AC_MSG_CHECKING(for visibility __attribute__)
 578 AC_TRY_COMPILE([], [
 579    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 580    void main () { doit (); }
 581 ], [
 582    have_visibility_hidden=yes
 583    AC_MSG_RESULT(yes)
 584 ], [
 585    have_visibility_hidden=no
 586    AC_MSG_RESULT(no)
 587 ])
 588
 589 LIBGC_CFLAGS=
 590 LIBGC_LIBS=
 591 LIBGC_STATIC_LIBS=
 592 libgc_dir=
 593 case "x$gc" in
 594         xboehm|xbohem|xyes)
 595                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 596                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 597
 598                 if test "x$found_boehm" != "xyes"; then
 599                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 600                 fi
 601                 if test "x$gc_headers" != "xyes"; then
 602                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 603                 fi
 604
 605                 AC_DEFINE(HAVE_BOEHM_GC)
 606                 AC_SUBST(HAVE_BOEHM_GC)
 607                 LIBGC_LIBS="-lgc $libdl"
 608                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 609
 610                 # AC_CHECK_FUNCS does not work for some reason...
 611                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 612                 if test "x$found_gcj_malloc" = "xyes"; then
 613                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 614                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 615                 else
 616                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 617                 fi
 618                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 619                 if test "x$found_gc_enable" = "xyes"; then
 620                         AC_DEFINE(HAVE_GC_ENABLE)
 621                 fi
 622                 ;;
 623
 624         xincluded)
 625                 AC_CONFIG_SUBDIRS(libgc)
 626
 627                 # Pass CPPFLAGS to libgc configure
 628                 # Maybe we should use a separate variable for this to avoid passing useless and
 629                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 630                 export CPPFLAGS
 631
 632                 found_boehm=yes
 633                 gc_headers=yes
 634                 use_included_gc=yes
 635                 libgc_dir=libgc
 636
 637                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 638                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 639                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 640
 641                 AC_DEFINE(HAVE_BOEHM_GC)
 642                 AC_SUBST(HAVE_BOEHM_GC)
 643
 644                 AC_DEFINE(HAVE_GC_H)
 645                 AC_DEFINE(USE_INCLUDED_LIBGC)
 646
 647                 # The included libgc contains GCJ support
 648                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 649                 AC_DEFINE(HAVE_GC_ENABLE)
 650                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 651                 ;;
 652
 653         xsgen)
 654                 found_boehm=no
 655                 gc_headers=no
 656                 use_included_gc=no
 657                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 658                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 659                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 660                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 661                 ;;
 662
 663         xnone)
 664                 AC_MSG_WARN("Compiling mono without GC.")
 665                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 666                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 667                 ;;
 668         *)
 669                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 670                 ;;
 671 esac
 672
 673 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 674 if test "x$large_heap" = "xyes"; then
 675    echo "FOO"
 676    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 677 fi
 678
 679 # tell libgc/configure about what we want
 680 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 681
 682 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 683 AC_SUBST(LIBGC_CFLAGS)
 684 AC_SUBST(LIBGC_LIBS)
 685 AC_SUBST(LIBGC_STATIC_LIBS)
 686 AC_SUBST(libgc_dir)
 687
 688 dnl
 689 dnl End of libgc checks
 690 dnl
 691
 692 if test x$platform_win32 = xno; then
 693
 694         dnl ******************************************************************
 695         dnl *** Checks for the IKVM JNI interface library                  ***
 696         dnl ******************************************************************
 697         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 698
 699         ikvm_native_dir=
 700         if test x$with_ikvm_native = xyes; then
 701                 ikvm_native_dir=ikvm-native
 702                 jdk_headers_found="IKVM Native"
 703         fi
 704
 705         AC_SUBST(ikvm_native_dir)
 706
 707         AC_CHECK_HEADERS(execinfo.h)
 708
 709         AC_CHECK_FUNCS(getgrgid_r)
 710         AC_CHECK_FUNCS(getgrnam_r)
 711         AC_CHECK_FUNCS(getpwnam_r)
 712         AC_CHECK_FUNCS(getpwuid_r)
 713         AC_CHECK_FUNCS(getresuid)
 714         AC_CHECK_FUNCS(setresuid)
 715         AC_CHECK_FUNCS(kqueue)
 716         AC_CHECK_FUNCS(backtrace_symbols)
 717         AC_CHECK_FUNCS(mkstemp)
 718
 719         dnl ******************************************************************
 720         dnl *** Check for large file support                               ***
 721         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 722         dnl ******************************************************************
 723
 724         # Check that off_t can represent 2**63 - 1 correctly, working around
 725         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 726         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 727         large_offt=no
 728         AC_DEFUN([LARGE_FILES], [
 729                 large_CPPFLAGS=$CPPFLAGS
 730                 CPPFLAGS="$CPPFLAGS $1"
 731                 AC_TRY_RUN([
 732                         #include <sys/types.h>
 733
 734                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 735
 736                         int main(void) {
 737                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 738                                                (BIG_OFF_T%2147483647==1));
 739                                 if(big_off_t) {
 740                                         exit(0);
 741                                 } else {
 742                                         exit(1);
 743                                 }
 744                         }
 745                 ], [
 746                         AC_MSG_RESULT(ok)
 747                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 748                         large_CPPFLAGS="$large_CPPFLAGS $1"
 749                         large_offt=yes
 750                 ], [
 751                         AC_MSG_RESULT(no)
 752                 ], "")
 753                 CPPFLAGS=$large_CPPFLAGS
 754         ])
 755
 756         AC_MSG_CHECKING(if off_t is 64 bits wide)
 757         LARGE_FILES("")
 758         if test $large_offt = no; then
 759                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 760                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 761         fi
 762         if test $large_offt = no; then
 763                 AC_MSG_WARN([No 64 bit file size support available])
 764         fi
 765
 766         dnl *****************************
 767         dnl *** Checks for libsocket  ***
 768         dnl *****************************
 769         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 770
 771         dnl *******************************
 772         dnl *** Checks for MSG_NOSIGNAL ***
 773         dnl *******************************
 774         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 775         AC_TRY_COMPILE([#include <sys/socket.h>], [
 776                 int f = MSG_NOSIGNAL;
 777         ], [
 778                 # Yes, we have it...
 779                 AC_MSG_RESULT(yes)
 780                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 781         ], [
 782                 # We'll have to use signals
 783                 AC_MSG_RESULT(no)
 784         ])
 785
 786         dnl *****************************
 787         dnl *** Checks for SOL_IP     ***
 788         dnl *****************************
 789         AC_MSG_CHECKING(for SOL_IP)
 790         AC_TRY_COMPILE([#include <netdb.h>], [
 791                 int level = SOL_IP;
 792         ], [
 793                 # Yes, we have it...
 794                 AC_MSG_RESULT(yes)
 795                 AC_DEFINE(HAVE_SOL_IP)
 796         ], [
 797                 # We'll have to use getprotobyname
 798                 AC_MSG_RESULT(no)
 799         ])
 800
 801         dnl *****************************
 802         dnl *** Checks for SOL_IPV6     ***
 803         dnl *****************************
 804         AC_MSG_CHECKING(for SOL_IPV6)
 805         AC_TRY_COMPILE([#include <netdb.h>], [
 806                 int level = SOL_IPV6;
 807         ], [
 808                 # Yes, we have it...
 809                 AC_MSG_RESULT(yes)
 810                 AC_DEFINE(HAVE_SOL_IPV6)
 811         ], [
 812                 # We'll have to use getprotobyname
 813                 AC_MSG_RESULT(no)
 814         ])
 815
 816         dnl *****************************
 817         dnl *** Checks for SOL_TCP    ***
 818         dnl *****************************
 819         AC_MSG_CHECKING(for SOL_TCP)
 820         AC_TRY_COMPILE([#include <netdb.h>], [
 821                 int level = SOL_TCP;
 822         ], [
 823                 # Yes, we have it...
 824                 AC_MSG_RESULT(yes)
 825                 AC_DEFINE(HAVE_SOL_TCP)
 826         ], [
 827                 # We'll have to use getprotobyname
 828                 AC_MSG_RESULT(no)
 829         ])
 830
 831         dnl *****************************
 832         dnl *** Checks for IP_PKTINFO ***
 833         dnl *****************************
 834         AC_MSG_CHECKING(for IP_PKTINFO)
 835         AC_TRY_COMPILE([#include <netdb.h>], [
 836                 int level = IP_PKTINFO;
 837         ], [
 838                 # Yes, we have it...
 839                 AC_MSG_RESULT(yes)
 840                 AC_DEFINE(HAVE_IP_PKTINFO)
 841         ], [
 842                 AC_MSG_RESULT(no)
 843         ])
 844
 845         dnl *****************************
 846     dnl *** Checks for IPV6_PKTINFO ***
 847     dnl *****************************
 848     AC_MSG_CHECKING(for IPV6_PKTINFO)
 849     AC_TRY_COMPILE([#include <netdb.h>], [
 850         int level = IPV6_PKTINFO;
 851     ], [
 852         # Yes, we have it...
 853         AC_MSG_RESULT(yes)
 854         AC_DEFINE(HAVE_IPV6_PKTINFO)
 855     ], [
 856         AC_MSG_RESULT(no)
 857     ])
 858
 859         dnl *********************************
 860         dnl *** Check for struct ip_mreqn ***
 861         dnl *********************************
 862         AC_MSG_CHECKING(for struct ip_mreqn)
 863         AC_TRY_COMPILE([#include <netinet/in.h>], [
 864                 struct ip_mreqn mreq;
 865                 mreq.imr_address.s_addr = 0;
 866         ], [
 867                 # Yes, we have it...
 868                 AC_MSG_RESULT(yes)
 869                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 870         ], [
 871                 # We'll just have to try and use struct ip_mreq
 872                 AC_MSG_RESULT(no)
 873                 AC_MSG_CHECKING(for struct ip_mreq)
 874                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 875                         struct ip_mreq mreq;
 876                         mreq.imr_interface.s_addr = 0;
 877                 ], [
 878                         # Yes, we have it...
 879                         AC_MSG_RESULT(yes)
 880                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 881                 ], [
 882                         # No multicast support
 883                         AC_MSG_RESULT(no)
 884                 ])
 885         ])
 886
 887         dnl **********************************
 888         dnl *** Check for gethostbyname2_r ***
 889         dnl **********************************
 890         AC_MSG_CHECKING(for gethostbyname2_r)
 891                 AC_TRY_LINK([#include <netdb.h>], [
 892                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 893         ], [
 894                 # Yes, we have it...
 895                 AC_MSG_RESULT(yes)
 896                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 897         ], [
 898                 AC_MSG_RESULT(no)
 899         ])
 900
 901         dnl *****************************
 902         dnl *** Checks for libnsl     ***
 903         dnl *****************************
 904         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 905
 906         AC_CHECK_FUNCS(inet_pton inet_aton)
 907
 908         dnl ***********************************************
 909         dnl *** Checks for size of sockaddr_un.sun_path ***
 910         dnl ***********************************************
 911         # AC_CHECK_SIZEOF can't cope with struct members :-(
 912         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 913         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 914                 [AC_TRY_RUN([
 915                         #include <sys/types.h>
 916                         #include <stdio.h>
 917                         #include <sys/un.h>
 918
 919                         int main(void) {
 920                                 struct sockaddr_un sock_un;
 921                                 FILE *f=fopen("conftestval", "w");
 922                                 if(!f) exit(1);
 923                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 924                                 exit(0);
 925                         }
 926                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 927                    cv_mono_sizeof_sunpath=0,
 928                    cv_mono_sizeof_sunpath=0)])dnl
 929         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 930         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 931
 932         dnl *************************************
 933         dnl *** Checks for zero length arrays ***
 934         dnl *************************************
 935         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 936         AC_TRY_COMPILE([
 937                 struct s {
 938                         int  length;
 939                         char data [0];
 940                 };
 941         ], [], [
 942                 AC_MSG_RESULT(yes)
 943                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 944         ], [
 945                 AC_MSG_RESULT(no)
 946                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 947         ])
 948
 949         dnl *****************************
 950         dnl *** Checks for libxnet    ***
 951         dnl *****************************
 952         case "${host}" in
 953                 *solaris* )
 954                         AC_MSG_CHECKING(for Solaris XPG4 support)
 955                         if test -f /usr/lib/libxnet.so; then
 956                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 957                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 958                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 959                                 LIBS="$LIBS -lxnet"
 960                                 AC_MSG_RESULT(yes)
 961                         else
 962                                 AC_MSG_RESULT(no)
 963                         fi
 964
 965                         if test "$GCC" = "yes"; then
 966                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 967                         fi
 968                 ;;
 969         esac
 970
 971         dnl *****************************
 972         dnl *** Checks for libpthread ***
 973         dnl *****************************
 974 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 975 # and libpthread does not exist
 976 #
 977         case "${host}" in
 978                 *-*-*freebsd4*)
 979                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 980                 ;;
 981                 *-*-*freebsd5*)
 982                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 983                 ;;
 984                 *-*-*freebsd6*)
 985                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 986                 ;;
 987                 *)
 988                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 989                 ;;
 990         esac
 991         AC_CHECK_HEADERS(pthread.h)
 992         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 993         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 994         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 995         AC_TRY_COMPILE([ #include <pthread.h>], [
 996                 pthread_mutexattr_t attr;
 997                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 998         ], [
 999                 AC_MSG_RESULT(ok)
1000         ], [
1001                 AC_MSG_RESULT(no)
1002                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1003                 AC_DEFINE(USE_MONO_MUTEX)
1004         ])
1005         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1006         AC_CHECK_FUNCS(pthread_attr_getstack)
1007         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1008
1009         dnl ***********************************
1010         dnl *** Checks for working __thread ***
1011         dnl ***********************************
1012         AC_MSG_CHECKING(for working __thread)
1013         if test "x$with_tls" != "x__thread"; then
1014                 AC_MSG_RESULT(disabled)
1015         else
1016                 AC_TRY_RUN([
1017                         #include <pthread.h>
1018                         __thread int i;
1019                         static int res1, res2;
1020
1021                         void thread_main (void *arg)
1022                         {
1023                                 i = arg;
1024                                 sleep (1);
1025                                 if (arg == 1)
1026                                         res1 = (i == arg);
1027                                 else
1028                                         res2 = (i == arg);
1029                         }
1030
1031                         int main () {
1032                                 pthread_t t1, t2;
1033
1034                                 i = 5;
1035
1036                                 pthread_create (&t1, NULL, thread_main, 1);
1037                                 pthread_create (&t2, NULL, thread_main, 2);
1038
1039                                 pthread_join (t1, NULL);
1040                                 pthread_join (t2, NULL);
1041
1042                                 return !(res1 + res2 == 2);
1043                         }
1044                 ], [
1045                                 AC_MSG_RESULT(yes)
1046                 ], [
1047                                 AC_MSG_RESULT(no)
1048                                 with_tls=pthread
1049                 ])
1050         fi
1051
1052         dnl **************************************
1053         dnl *** Checks for working sigaltstack ***
1054         dnl **************************************
1055         AC_MSG_CHECKING(for working sigaltstack)
1056         if test "x$with_sigaltstack" != "xyes"; then
1057                 AC_MSG_RESULT(disabled)
1058         else
1059                 AC_TRY_RUN([
1060                         #include <stdio.h>
1061                         #include <stdlib.h>
1062                         #include <unistd.h>
1063                         #include <signal.h>
1064                         #include <pthread.h>
1065                         #include <sys/wait.h>
1066                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1067                         #define SA_STACK SA_ONSTACK
1068                         #endif
1069                         static void
1070                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1071                         {
1072                                 exit (0);
1073                         }
1074
1075                         static void *
1076                         loop (void *ignored)
1077                         {
1078                                 char *ptr = NULL;
1079
1080                                 *ptr = 0;
1081                                 return NULL;
1082                         }
1083
1084                         static void
1085                         child ()
1086                         {
1087                                 struct sigaction sa;
1088                                 struct sigaltstack sas;
1089                                 pthread_t id;
1090                                 pthread_attr_t attr;
1091
1092                                 sa.sa_sigaction = sigsegv_signal_handler;
1093                                 sigemptyset (&sa.sa_mask);
1094                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1095                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1096                                         perror ("sigaction");
1097                                         return;
1098                                 }
1099
1100                                 sas.ss_sp = malloc (SIGSTKSZ);
1101                                 sas.ss_size = SIGSTKSZ;
1102                                 sas.ss_flags = 0;
1103                                 if (sigaltstack (&sas, NULL) == -1) {
1104                                         perror ("sigaltstack");
1105                                         return;
1106                                 }
1107
1108                                 pthread_attr_init (&attr);
1109                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1110                                         printf ("pthread_create\n");
1111                                         return;
1112                                 }
1113
1114                                 sleep (100);
1115                         }
1116
1117                         int
1118                         main ()
1119                         {
1120                                 pid_t son;
1121                                 int status;
1122                                 int i;
1123
1124                                 son = fork ();
1125                                 if (son == -1) {
1126                                         return 1;
1127                                 }
1128
1129                                 if (son == 0) {
1130                                         child ();
1131                                         return 0;
1132                                 }
1133
1134                                 for (i = 0; i < 3; ++i) {
1135                                         sleep (1);
1136                                         waitpid (son, &status, WNOHANG);
1137                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1138                                                 return 0;
1139                                 }
1140
1141                                 kill (son, SIGKILL);
1142                                 return 1;
1143                         }
1144
1145                 ], [
1146                                 AC_MSG_RESULT(yes)
1147                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1148                 ], [
1149                                 with_sigaltstack=no
1150                                 AC_MSG_RESULT(no)
1151                 ])
1152         fi
1153
1154         dnl ********************************
1155         dnl *** Checks for semaphore lib ***
1156         dnl ********************************
1157         # 'Real Time' functions on Solaris
1158         # posix4 on Solaris 2.6
1159         # pthread (first!) on Linux
1160         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1161
1162         dnl ********************************
1163         dnl *** Checks for timezone stuff **
1164         dnl ********************************
1165         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1166                 AC_TRY_COMPILE([
1167                         #include <time.h>
1168                         ], [
1169                         struct tm tm;
1170                         tm.tm_gmtoff = 1;
1171                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1172         if test $ac_cv_struct_tm_gmtoff = yes; then
1173                 AC_DEFINE(HAVE_TM_GMTOFF)
1174         else
1175                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1176                         AC_TRY_COMPILE([
1177                                 #include <time.h>
1178                         ], [
1179                                 timezone = 1;
1180                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1181                 if test $ac_cv_var_timezone = yes; then
1182                         AC_DEFINE(HAVE_TIMEZONE)
1183                 else
1184                         AC_ERROR(unable to find a way to determine timezone)
1185                 fi
1186         fi
1187
1188         dnl *********************************
1189         dnl *** Checks for math functions ***
1190         dnl *********************************
1191         LIBS="$LIBS -lm";
1192         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1193                 AC_TRY_LINK([#include <math.h>],
1194                 [ finite(0.0); ],
1195                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1196                 AC_MSG_RESULT(no)))
1197         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1198                 AC_TRY_LINK([#include <math.h>],
1199                 [ isfinite(0.0); ],
1200                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1201                 AC_MSG_RESULT(no)))
1202
1203         dnl ****************************************************************
1204         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1205         dnl *** have it in the library (duh))                            ***
1206         dnl ****************************************************************
1207         AC_CHECK_FUNCS(poll)
1208
1209         dnl *************************
1210         dnl *** Check for signbit ***
1211         dnl *************************
1212         AC_MSG_CHECKING(for signbit)
1213         AC_TRY_LINK([#include <math.h>], [
1214                 int s = signbit(1.0);
1215         ], [
1216                 AC_MSG_RESULT(yes)
1217                 AC_DEFINE(HAVE_SIGNBIT)
1218         ], [
1219                 AC_MSG_RESULT(no)
1220         ])
1221
1222         dnl **********************************
1223         dnl *** epoll                      ***
1224         dnl **********************************
1225         AC_CHECK_HEADERS(sys/epoll.h)
1226         haveepoll=no
1227         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1228         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1229                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1230         fi
1231
1232         dnl ******************************
1233         dnl *** Checks for SIOCGIFCONF ***
1234         dnl ******************************
1235         AC_CHECK_HEADERS(sys/ioctl.h)
1236         AC_CHECK_HEADERS(net/if.h)
1237         AC_MSG_CHECKING(for ifreq)
1238         AC_TRY_COMPILE([
1239                 #include <sys/ioctl.h>
1240                 #include <net/if.h>
1241                 ], [
1242                 struct ifconf ifc;
1243                 struct ifreq *ifr;
1244                 void *x;
1245                 ifc.ifc_len = 0;
1246                 ifc.ifc_buf = NULL;
1247                 x = (void *) &ifr->ifr_addr;
1248                 ],[
1249                         AC_MSG_RESULT(yes)
1250                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1251                 ], [
1252                         AC_MSG_RESULT(no)
1253                 ])
1254         dnl **********************************
1255         dnl *** Checks for MonoPosixHelper ***
1256         dnl **********************************
1257         AC_CHECK_FUNC(setkey, ,
1258                 AC_CHECK_LIB(crypt, setkey, [
1259                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1260                         CRYPT_LIBS="-lcrypt"
1261                 ])
1262         )
1263         AC_SUBST(CRYPT_LIBS)
1264         AC_CHECK_HEADERS(checklist.h)
1265         AC_CHECK_HEADERS(fstab.h)
1266         AC_CHECK_HEADERS(attr/xattr.h)
1267         AC_CHECK_HEADERS(sys/extattr.h)
1268         AC_CHECK_HEADERS(sys/sendfile.h)
1269         AC_CHECK_HEADERS(sys/statvfs.h)
1270         AC_CHECK_HEADERS(sys/vfstab.h)
1271         AC_CHECK_HEADERS(sys/xattr.h)
1272         AC_CHECK_HEADERS(sys/mman.h)
1273         AC_CHECK_FUNCS(getdomainname)
1274         AC_CHECK_FUNCS(setdomainname)
1275         AC_CHECK_FUNCS(fgetgrent)
1276         AC_CHECK_FUNCS(fgetpwent)
1277         AC_CHECK_FUNCS(fgetpwent)
1278         AC_CHECK_FUNCS(getfsstat)
1279         AC_CHECK_FUNCS(lutimes)
1280         AC_CHECK_FUNCS(mremap)
1281         AC_CHECK_FUNCS(remap_file_pages)
1282         AC_CHECK_FUNCS(posix_fadvise)
1283         AC_CHECK_FUNCS(posix_fallocate)
1284         AC_CHECK_FUNCS(posix_madvise)
1285         AC_CHECK_FUNCS(vsnprintf)
1286         AC_CHECK_FUNCS(sendfile)
1287         AC_CHECK_FUNCS(sethostid)
1288         AC_CHECK_FUNCS(statfs)
1289         AC_CHECK_FUNCS(fstatfs)
1290         AC_CHECK_FUNCS(statvfs)
1291         AC_CHECK_FUNCS(fstatvfs)
1292         AC_CHECK_FUNCS(stime)
1293         AC_CHECK_FUNCS(strerror_r)
1294         AC_CHECK_FUNCS(ttyname_r)
1295         AC_CHECK_SIZEOF(size_t)
1296         AC_CHECK_MEMBERS(
1297                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1298                 [#include <sys/types.h>
1299                  #include <dirent.h>])
1300
1301         dnl Favour xattr through glibc, but use libattr if we have to
1302         AC_CHECK_FUNC(lsetxattr, ,
1303                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1304         )
1305         AC_SUBST(XATTR_LIB)
1306
1307         dnl *********************************
1308         dnl *** Check for Console 2.0 I/O ***
1309         dnl *********************************
1310         AC_CHECK_HEADERS([curses.h])
1311         AC_CHECK_HEADERS([term.h], [], [],
1312         [#if HAVE_CURSES_H
1313          #include <curses.h>
1314          #endif
1315         ])
1316         AC_CHECK_HEADERS([termios.h])
1317
1318         dnl * This is provided in io-layer, but on windows it's only available
1319         dnl * on xp+
1320         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1321 else
1322         jdk_headers_found=no
1323         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1324         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1325         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1326         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1327
1328         dnl *********************************
1329         dnl *** Check for struct ip_mreqn ***
1330         dnl *********************************
1331         AC_MSG_CHECKING(for struct ip_mreqn)
1332         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1333                 struct ip_mreqn mreq;
1334                 mreq.imr_address.s_addr = 0;
1335         ], [
1336                 # Yes, we have it...
1337                 AC_MSG_RESULT(yes)
1338                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1339         ], [
1340                 # We'll just have to try and use struct ip_mreq
1341                 AC_MSG_RESULT(no)
1342                 AC_MSG_CHECKING(for struct ip_mreq)
1343                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1344                         struct ip_mreq mreq;
1345                         mreq.imr_interface.s_addr = 0;
1346                 ], [
1347                         # Yes, we have it...
1348                         AC_MSG_RESULT(yes)
1349                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1350                 ], [
1351                         # No multicast support
1352                         AC_MSG_RESULT(no)
1353                 ])
1354         ])
1355         AC_CHECK_FUNCS(GetProcessId)
1356 fi
1357
1358 dnl socklen_t check
1359 AC_MSG_CHECKING(for socklen_t)
1360 AC_TRY_COMPILE([
1361 #include <sys/types.h>
1362 #include <sys/socket.h>
1363 ],[
1364   socklen_t foo;
1365 ],[
1366 ac_cv_c_socklen_t=yes
1367         AC_DEFINE(HAVE_SOCKLEN_T)
1368         AC_MSG_RESULT(yes)
1369 ],[
1370         AC_MSG_RESULT(no)
1371 ])
1372
1373 AC_MSG_CHECKING(for array element initalizer support)
1374 AC_TRY_COMPILE([#include <sys/socket.h>], [
1375         const int array[] = {[1] = 2,};
1376 ], [
1377         # Yes, we have it...
1378         AC_MSG_RESULT(yes)
1379         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1380 ], [
1381         # We'll have to use signals
1382         AC_MSG_RESULT(no)
1383 ])
1384
1385 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1386         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1387         AC_TRY_LINK([#include <math.h>],
1388         [ static void *p = &trunc; ],
1389         [
1390                 AC_DEFINE(HAVE_TRUNC)
1391                 AC_MSG_RESULT(yes)
1392                 ac_cv_trunc=yes
1393         ],
1394         AC_MSG_RESULT(no)))
1395
1396 if test "x$ac_cv_truncl" != "xyes"; then
1397    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1398 fi
1399
1400 dnl ****************************
1401 dnl *** Look for /dev/random ***
1402 dnl ****************************
1403
1404 AC_MSG_CHECKING([if usage of random device is requested])
1405 AC_ARG_ENABLE(dev-random,
1406 [  --disable-dev-random    disable the use of the random device],
1407 try_dev_random=$enableval, try_dev_random=yes)
1408 AC_MSG_RESULT($try_dev_random)
1409
1410 case "{$target}" in
1411     *-openbsd*)
1412     NAME_DEV_RANDOM="/dev/srandom"
1413     ;;
1414
1415 dnl Win32 does not have /dev/random, they have their own method...
1416
1417     *-*-mingw*|*-*-cygwin*)
1418     ac_cv_have_dev_random=no
1419     ;;
1420
1421 dnl Everywhere else, it's /dev/random
1422
1423     *)
1424     NAME_DEV_RANDOM="/dev/random"
1425     ;;
1426 esac
1427
1428 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1429
1430 dnl Now check if the device actually exists
1431
1432 if test "x$try_dev_random" = "xyes"; then
1433     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1434     [if test -r "$NAME_DEV_RANDOM" ; then
1435         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1436     if test "x$ac_cv_have_dev_random" = "xyes"; then
1437         AC_DEFINE(HAVE_CRYPT_RNG)
1438     fi
1439 else
1440     AC_MSG_CHECKING(for random device)
1441     ac_cv_have_dev_random=no
1442     AC_MSG_RESULT(has been disabled)
1443 fi
1444
1445 if test "x$platform_win32" = "xyes"; then
1446     AC_DEFINE(HAVE_CRYPT_RNG)
1447 fi
1448
1449 if test "x$ac_cv_have_dev_random" = "xno" \
1450     && test "x$platform_win32" = "xno"; then
1451     AC_MSG_WARN([[
1452 ***
1453 *** A system-provided entropy source was not found on this system.
1454 *** Because of this, the System.Security.Cryptography random number generator
1455 *** will throw a NotImplemented exception.
1456 ***
1457 *** If you are seeing this message, and you know your system DOES have an
1458 *** entropy collection in place, please contact <crichton@gimp.org> and
1459 *** provide information about the system and how to access the random device.
1460 ***
1461 *** Otherwise you can install either egd or prngd and set the environment
1462 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1463 ***]])
1464 fi
1465
1466 AC_MSG_CHECKING([if inter-process shared handles are requested])
1467 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1468 AC_MSG_RESULT($try_shared_handles)
1469 if test "x$try_shared_handles" != "xyes"; then
1470         AC_DEFINE(DISABLE_SHARED_HANDLES)
1471         AC_SUBST(DISABLE_SHARED_HANDLES)
1472 fi
1473
1474 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1475 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1476
1477 TARGET="unknown"
1478 ACCESS_UNALIGNED="yes"
1479
1480 JIT_SUPPORTED=no
1481 INTERP_SUPPORTED=no
1482 LIBC="libc.so.6"
1483 INTL="libc.so.6"
1484 SQLITE="libsqlite.so.0"
1485 SQLITE3="libsqlite3.so.0"
1486 X11="libX11.so"
1487
1488 jit_wanted=false
1489 interp_wanted=false
1490 case "$host" in
1491 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1492 #               TARGET=MIPS;
1493 #               ACCESS_UNALIGNED="no"
1494 #               ;;
1495         i*86-*-*)
1496                 TARGET=X86;
1497                 arch_target=x86;
1498                 JIT_SUPPORTED=yes
1499                 jit_wanted=true
1500                 case $host_os in
1501                   solaris*)
1502                         LIBC="libc.so"
1503                         INTL="libintl.so"
1504
1505                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1506                         # int astruct __attribute__ ((visibility ("hidden")));
1507                         # void foo ()
1508                         # {
1509                         #       void *p = &astruct;
1510                         # }
1511                         # gcc -fPIC --shared -o libfoo.so foo.c
1512                         # yields:
1513                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1514                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1515                         have_visibility_hidden=no
1516
1517                         libmono_ldflags="$libmono_ldflags $LIBS"
1518                 esac
1519                 ;;
1520         x86_64-*-* | amd64-*-*)
1521                 TARGET=AMD64;
1522                 arch_target=amd64;
1523                 JIT_SUPPORTED=yes
1524                 jit_wanted=true
1525                 ;;
1526         ia64-*-*)
1527                 TARGET=IA64
1528                 arch_target=ia64
1529                 ACCESS_UNALIGNED="no"
1530                 JIT_SUPPORTED=yes
1531                 jit_wanted=true
1532                 LIBC="libc.so.6.1"
1533                 INTL="libc.so.6.1"
1534                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1535                 libmono_ldflags="-lunwind"
1536                 ;;
1537         sparc*-*-*)
1538                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1539                    TARGET=SPARC64
1540                 else
1541                         TARGET=SPARC
1542                 fi
1543                 arch_target=sparc;
1544                 JIT_SUPPORTED=yes
1545                 ACCESS_UNALIGNED="no"
1546                 case $host_os in
1547                   linux*) ;;
1548                   *)
1549                         LIBC="libc.so"
1550                         INTL="libintl.so"
1551                         libmono_ldflags="$libmono_ldflags $LIBS"
1552                 esac
1553                 jit_wanted=true
1554                 if test x"$GCC" = xyes; then
1555                         # We don't support v8 cpus
1556                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1557                 fi
1558                 if test x"$AR" = xfalse; then
1559                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1560                 fi
1561                 ;;
1562        alpha*-*-linux* | alpha*-*-osf*)
1563                 TARGET=ALPHA;
1564                 ACCESS_UNALIGNED="no"
1565                 JIT_SUPPORTED=yes
1566                 jit_wanted=true
1567                 arch_target=alpha;
1568                 CFLAGS="$CFLAGS -mieee"
1569                 case $host_os in
1570                   linux*)
1571                         LIBC="libc.so.6.1"
1572                         INTL="libc.so.6.1"
1573                 esac
1574                ;;
1575         *-*-mingw*|*-*-cygwin*)
1576                 INTL="intl"
1577                 ;;
1578         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1579                 TARGET=HPPA;
1580                 arch_target=hppa;
1581                 LIBC="libc.sl"
1582                 ACCESS_UNALIGNED="no"
1583                 INTERP_SUPPORTED=yes
1584                 interp_wanted=true
1585                 ;;
1586         hppa*linux*)
1587                 TARGET=HPPA;
1588                 arch_target=hppa;
1589                 ACCESS_UNALIGNED="no"
1590                 INTERP_SUPPORTED=yes
1591                 interp_wanted=true
1592                 ;;
1593         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1594         powerpc-*-sysv* | powerpc-*-darwin*)
1595                 TARGET=POWERPC;
1596                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1597                 arch_target=ppc;
1598                 JIT_SUPPORTED=yes
1599                 jit_wanted=true
1600                 ;;
1601         arm*-linux*)
1602                 TARGET=ARM;
1603                 arch_target=arm;
1604                 ACCESS_UNALIGNED="no"
1605                 JIT_SUPPORTED=yes
1606                 jit_wanted=true
1607                 ;;
1608         s390-*-linux*)
1609                 TARGET=S390;
1610                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1611                 arch_target=s390;
1612                 ACCESS_UNALIGNED="no"
1613                 JIT_SUPPORTED=yes
1614                 jit_wanted=true
1615                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1616                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1617                 ;;
1618         s390x-*-linux*)
1619                 TARGET=S390x;
1620                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1621                 arch_target=s390x;
1622                 ACCESS_UNALIGNED="no"
1623                 JIT_SUPPORTED=yes
1624                 jit_wanted=true
1625                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1626                 ;;
1627 esac
1628
1629 if test "x$have_visibility_hidden" = "xyes"; then
1630    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1631 fi
1632
1633 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1634         if test x$withval = xyes; then
1635            jit_wanted=true
1636         else
1637            jit_wanted=false
1638         fi
1639 ])
1640
1641 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1642         if test x$withval = xyes; then
1643            interp_wanted=true
1644         else
1645            interp_wanted=false
1646         fi
1647 ])
1648
1649 USEJIT=false
1650 if test x$JIT_SUPPORTED = xyes; then
1651    if $jit_wanted; then
1652       USEJIT=true
1653       jit_status="Building and using the JIT"
1654    else
1655       if $interp_wanted; then
1656          jit_status="Building the JIT, defaulting to the interpreter"
1657       else
1658          AC_ERROR(No JIT or interpreter support available or selected.)
1659       fi
1660    fi
1661 else
1662    if test x$interp_wanted = xtrue; then
1663       jit_status="interpreter"
1664    else
1665       AC_ERROR(No JIT or interpreter support available or selected.)
1666    fi
1667 fi
1668
1669 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1670
1671 libsuffix=".so"
1672
1673 case "$host" in
1674      *-*-darwin*)
1675         libsuffix=".dylib"
1676         LIBC="libc.dylib"
1677         INTL="libintl.dylib"
1678         SQLITE="libsqlite.0.dylib"
1679         SQLITE3="libsqlite3.0.dylib"
1680         X11="libX11.dylib"
1681         ;;
1682      *-*-*netbsd*)
1683         LIBC="libc.so.12"
1684         INTL="libintl.so.0"
1685         ;;
1686     *-*-*freebsd*)
1687         LIBC="libc.so"
1688         INTL="libintl.so"
1689         ;;
1690     *-*-*openbsd*)
1691         LIBC="libc.so"
1692         INTL="libintl.so"
1693         ;;
1694     *-*-*linux*)
1695         AC_PATH_X
1696         AC_MSG_CHECKING(for the soname of libX11.so)
1697         for i in $x_libraries /usr/lib /usr/lib64; do
1698                 for r in 4 5 6; do
1699                         if test -f $i/libX11.so.$r; then
1700                                 X11=libX11.so.$r
1701                                 AC_MSG_RESULT($X11)
1702                         fi
1703                 done
1704         done
1705
1706         if test "x$X11" = "xlibX11.so"; then
1707                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1708         fi
1709         ;;
1710 esac
1711
1712
1713 AC_SUBST(libsuffix)
1714
1715 if test "x$TARGET" != "xAMD64"; then
1716    # valgrind headers don't compile under x86-64
1717    AC_CHECK_HEADERS(valgrind/memcheck.h)
1718 fi
1719
1720 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1721         if test "x$with_tls" = "x__thread"; then
1722                 #
1723                 # On some linux distributions, TLS works in executables, but linking
1724                 # against a shared library containing TLS fails with:
1725                 # undefined reference to `__tls_get_addr'
1726                 #
1727                 rm -f conftest.c conftest.so conftest
1728                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1729                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1730                 $CC -o conftest conftest.so > /dev/null 2>&1
1731                 if test ! -f conftest; then
1732                    AC_MSG_WARN([Disabling usage of __thread.]);
1733                    with_tls=pthread
1734                 fi
1735                 rm -f conftest.c conftest.so conftest
1736         fi
1737 fi
1738
1739 mono_debugger_supported=no
1740 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1741         if test x$use_included_gc = xyes; then
1742                 case "$host" in
1743                 *-*-*linux*)
1744                         mono_debugger_supported=yes
1745                         ;;
1746                 esac
1747         fi
1748 fi
1749
1750 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1751 if test "x$mono_debugger_supported" = "xyes"; then
1752         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1753 fi
1754 AC_MSG_RESULT($mono_debugger_supported)
1755 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1756
1757 if test "x$with_tls" = "x__thread"; then
1758         AC_DEFINE(HAVE_KW_THREAD)
1759         # Pass the information to libgc
1760         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1761         AC_MSG_CHECKING(if the tls_model attribute is supported)
1762         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1763                 ], [
1764                         AC_MSG_RESULT(yes)
1765                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1766                 ], [
1767                         AC_MSG_RESULT(no)
1768         ])
1769 fi
1770
1771 if test ${TARGET} = ARM; then
1772         dnl ******************************************
1773         dnl *** Check to see what FPU is available ***
1774         dnl ******************************************
1775         AC_MSG_CHECKING(which FPU to use)
1776
1777         AC_TRY_COMPILE([], [
1778                 __asm__ ("ldfd f0, [r0]");
1779                 ], fpu=FPA, [
1780                         AC_TRY_COMPILE([], [
1781                                 __asm__ ("fldd d0, [r0]");
1782                         ], fpu=VFP, fpu=NONE)
1783                 ])
1784
1785         AC_MSG_RESULT($fpu)
1786         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1787         unset fpu
1788 fi
1789
1790 if test ${TARGET} = unknown; then
1791         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1792         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1793 fi
1794
1795 if test ${ACCESS_UNALIGNED} = no; then
1796         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1797 fi
1798
1799 PREVIEW=yes
1800 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1801         if test x$with_preview = xno; then
1802               PREVIEW=no
1803         fi
1804 ])
1805
1806 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1807
1808 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1809 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1810 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1811 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1812 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1813 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1814 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1815 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1816 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1817 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1818 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1819 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1820 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1821 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1822
1823 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1824 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1825 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1826
1827 AC_SUBST(LIBC)
1828 AC_SUBST(INTL)
1829 AC_SUBST(SQLITE)
1830 AC_SUBST(SQLITE3)
1831 AC_SUBST(X11)
1832
1833 AC_SUBST(arch_target)
1834 AC_SUBST(CFLAGS)
1835 AC_SUBST(CPPFLAGS)
1836 AC_SUBST(LDFLAGS)
1837
1838 mono_build_root=`pwd`
1839 AC_SUBST(mono_build_root)
1840
1841 if test x$USEJIT = xtrue; then
1842   mono_runtime=mono/mini/mono
1843 else
1844   mono_runtime=mono/interpreter/mint
1845 fi
1846 AC_SUBST(mono_runtime)
1847
1848 mono_cfg_root=$mono_build_root/runtime
1849 if test x$platform_win32 = xyes; then
1850   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1851 else
1852   mono_cfg_dir=$mono_cfg_root/etc
1853 fi
1854 AC_SUBST(mono_cfg_dir)
1855
1856 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1857 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1858 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1859
1860 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1861 [   depth=../../../..
1862     case $srcdir in
1863     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1864     .) reldir=$depth ;;
1865     *) reldir=$depth/$srcdir ;;
1866     esac
1867     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1868     cd runtime/etc/mono/1.0
1869     rm -f machine.config
1870     $LN_S $reldir/data/net_1_1/machine.config machine.config
1871     cd $depth
1872 ],[LN_S='$LN_S'])
1873
1874 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1875 [   depth=../../../..
1876     case $srcdir in
1877     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1878     .) reldir=$depth ;;
1879     *) reldir=$depth/$srcdir ;;
1880     esac
1881     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1882     cd runtime/etc/mono/2.0
1883     rm -f machine.config
1884     $LN_S $reldir/data/net_2_0/machine.config machine.config
1885     cd $depth
1886 ],[LN_S='$LN_S'])
1887
1888 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1889 [   depth=../../../..
1890     case $srcdir in
1891     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1892     .) reldir=$depth ;;
1893     *) reldir=$depth/$srcdir ;;
1894     esac
1895     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1896     cd runtime/etc/mono/2.0
1897     rm -f web.config
1898     $LN_S $reldir/data/net_2_0/web.config web.config
1899     cd $depth
1900 ],[LN_S='$LN_S'])
1901
1902 AC_OUTPUT([
1903 Makefile
1904 mint.pc
1905 mono.pc
1906 mono-cairo.pc
1907 dotnet.pc
1908 mono-uninstalled.pc
1909 scripts/mono-nunit.pc
1910 scripts/mono-find-provides
1911 scripts/mono-find-requires
1912 mono/Makefile
1913 mono/utils/Makefile
1914 mono/metadata/Makefile
1915 mono/dis/Makefile
1916 mono/cil/Makefile
1917 mono/arch/Makefile
1918 mono/os/Makefile
1919 mono/arch/x86/Makefile
1920 mono/arch/amd64/Makefile
1921 mono/arch/hppa/Makefile
1922 mono/arch/ppc/Makefile
1923 mono/arch/sparc/Makefile
1924 mono/arch/s390/Makefile
1925 mono/arch/s390x/Makefile
1926 mono/arch/arm/Makefile
1927 mono/arch/alpha/Makefile
1928 mono/arch/ia64/Makefile
1929 mono/interpreter/Makefile
1930 mono/tests/Makefile
1931 mono/tests/tests-config
1932 mono/tests/cas/Makefile
1933 mono/tests/cas/assembly/Makefile
1934 mono/tests/cas/demand/Makefile
1935 mono/tests/cas/inheritance/Makefile
1936 mono/tests/cas/linkdemand/Makefile
1937 mono/tests/cas/threads/Makefile
1938 mono/benchmark/Makefile
1939 mono/monoburg/Makefile
1940 mono/monograph/Makefile
1941 mono/io-layer/Makefile
1942 mono/mini/Makefile
1943 mono/profiler/Makefile
1944 ikvm-native/Makefile
1945 scripts/Makefile
1946 man/Makefile
1947 web/Makefile
1948 docs/Makefile
1949 data/Makefile
1950 data/net_1_1/Makefile
1951 data/net_2_0/Makefile
1952 samples/Makefile
1953 support/Makefile
1954 data/config
1955 tools/Makefile
1956 tools/locale-builder/Makefile
1957 runtime/Makefile
1958 ])
1959
1960 if test x$platform_win32 = xyes; then
1961    # Get rid of 'cyg' prefixes in library names
1962    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1963    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1964    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1965    # executable doesn't work...
1966    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1967 fi
1968
1969 (
1970   case $prefix in
1971   NONE) prefix=$ac_default_prefix ;;
1972   esac
1973   case $exec_prefix in
1974   NONE) exec_prefix='${prefix}' ;;
1975   esac
1976
1977   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1978
1979   #
1980   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1981   # any existing config.make.  This allows people to share the same source tree
1982   # with different build directories, one native and one cross
1983   #
1984   if test x$cross_compiling = xno; then
1985     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1986     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1987     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1988     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1989     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1990     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1991     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1992
1993     case $INSTALL in
1994     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1995     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
1996     esac
1997
1998     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
1999
2000     export VERSION
2001     [myver=$($AWK 'BEGIN {
2002       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2003       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2004     }')]
2005
2006     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2007   fi
2008 )
2009
2010 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2011
2012 echo "
2013         mcs source:  $mcs_topdir
2014         GC:          $gc
2015         TLS:         $with_tls
2016         SIGALTSTACK: $with_sigaltstack
2017         Engine:      $jit_status
2018         2.0 Alpha:   $PREVIEW
2019         JNI support: $jdk_headers_found
2020         libgdiplus:  $libgdiplus_msg
2021         $disabled
2022
2023 "
2024 if test x$with_static_mono = xno; then
2025    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2026 fi
2027
2028 if test x$gc = xsgen; then
2029         echo IMPORTANT:
2030         echo IMPORTANT: You have selected an experimental, work-in-progress
2031         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2032         echo IMPORTANT: and is not yet ready for use.
2033         echo IMPORTANT:
2034         echo IMPORTANT: There are known problems with it, use at your own risk.
2035 fi