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