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,1.2)
  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_sigaltstack=no
  76                 LN_S=cp
  77                 # This forces libgc to use the DllMain based thread registration code on win32
  78                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  79                 ;;
  80         *-*-*netbsd*)
  81                 platform_win32=no
  82                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  83                 libmono_cflags="-D_REENTRANT"
  84                 LDFLAGS="$LDFLAGS -pthread"
  85                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  86                 libmono_ldflags="-pthread"
  87                 need_link_unlink=yes
  88                 libdl=
  89                 libgc_threads=no
  90                 ;;
  91 # these flags will work for all versions of -STABLE
  92 #
  93         *-*-*freebsd4*)
  94                 platform_win32=no
  95                 if test "x$PTHREAD_CFLAGS" = "x"; then
  96                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  97                         libmono_cflags="-D_THREAD_SAFE"
  98                 else
  99                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 100                         libmono_cflags="$PTHREAD_CFLAGS"
 101                 fi
 102                 if test "x$PTHREAD_LIBS" = "x"; then
 103                         LDFLAGS="$LDFLAGS -pthread"
 104                         libmono_ldflags="-pthread"
 105                 else
 106                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 107                         libmono_ldflags="$PTHREAD_LIBS"
 108                 fi
 109                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 110                 need_link_unlink=yes
 111                 AC_DEFINE(PTHREAD_POINTER_ID)
 112                 libdl=
 113                 libgc_threads=pthreads
 114 # TLS isn't implemented at all on 4-STABLE
 115                 with_tls=pthread
 116                 ;;
 117         *-*-*freebsd5*)
 118                 platform_win32=no
 119                 if test "x$PTHREAD_CFLAGS" = "x"; then
 120                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 121                         libmono_cflags=
 122                 else
 123                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 124                         libmono_cflags="$PTHREAD_CFLAGS"
 125                 fi
 126                 if test "x$PTHREAD_LIBS" = "x"; then
 127                         LDFLAGS="$LDFLAGS -pthread"
 128                         libmono_ldflags="-pthread"
 129                 else
 130                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 131                         libmono_ldflags="$PTHREAD_LIBS"
 132                 fi
 133                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 134                 need_link_unlink=yes
 135                 AC_DEFINE(PTHREAD_POINTER_ID)
 136                 libdl=
 137                 with_sigaltstack=yes
 138                 libgc_threads=pthreads
 139 # TLS is only partially implemented on 5-STABLE (compiler support
 140 # but NOT library support)
 141 #
 142                 with_tls=pthread
 143                 ;;
 144         *-*-*freebsd6*)
 145                 platform_win32=no
 146                 if test "x$PTHREAD_CFLAGS" = "x"; then
 147                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 148                         libmono_cflags=
 149                 else
 150                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 151                         libmono_cflags="$PTHREAD_CFLAGS"
 152                 fi
 153                 if test "x$PTHREAD_LIBS" = "x"; then
 154                         LDFLAGS="$LDFLAGS -pthread"
 155                         libmono_ldflags="-pthread"
 156                 else
 157                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 158                         libmono_ldflags="$PTHREAD_LIBS"
 159                 fi
 160                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 161                 need_link_unlink=yes
 162                 AC_DEFINE(PTHREAD_POINTER_ID)
 163                 libdl=
 164                 libgc_threads=pthreads
 165                 with_sigaltstack=yes
 166 # TLS is only partially implemented on -CURRENT (compiler support
 167 # but NOT library support)
 168 #
 169                 with_tls=pthread
 170                 ;;
 171         *-*-*openbsd*)
 172                 platform_win32=no
 173                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 174                 libmono_cflags="-D_THREAD_SAFE"
 175                 LDFLAGS="$LDFLAGS -pthread"
 176                 libmono_ldflags="-pthread"
 177                 need_link_unlink=yes
 178                 AC_DEFINE(PTHREAD_POINTER_ID)
 179                 libdl=
 180                 libgc_threads=pthreads
 181                 ;;
 182         *-*-linux*)
 183                 platform_win32=no
 184                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 185                 libmono_cflags="-D_REENTRANT"
 186                 libmono_ldflags="-lpthread"
 187                 libdl="-ldl"
 188                 libgc_threads=pthreads
 189                 ;;
 190         *-*-hpux*)
 191         platform_win32=no
 192                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 193                 CFLAGS="$CFLAGS +ESdbgasm"
 194                 LDFLAGS="$LDFLAGS -z"
 195                 libmono_cflags="-D_REENTRANT"
 196                 libmono_ldflags="-lpthread"
 197                 libgc_threads=pthreads
 198                 need_link_unlink=yes
 199                 ;;
 200         *-*-solaris*)
 201                 platform_win32=no
 202                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 203                 need_link_unlink=yes
 204                 libmono_cflags="-D_REENTRANT"
 205                 libgc_threads=pthreads
 206                 # This doesn't seem to work on solaris/x86, but the configure test runs
 207                 with_tls=pthread
 208                 ;;
 209         *-*-darwin*)
 210                 platform_win32=no
 211                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
 212                 libmono_cflags="-D_THREAD_SAFE"
 213                 LDFLAGS="$LDFLAGS -pthread"
 214                 libmono_ldflags="-pthread"
 215                 need_link_unlink=yes
 216                 AC_DEFINE(PTHREAD_POINTER_ID)
 217                 AC_DEFINE(USE_MACH_SEMA)
 218                 no_version_script=yes
 219                 libdl=
 220                 libgc_threads=pthreads
 221                 ;;
 222         *)
 223                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 224                 platform_win32=no
 225                 libdl="-ldl"
 226                 ;;
 227 esac
 228 AC_MSG_RESULT(ok)
 229
 230 if test x$need_link_unlink = xyes; then
 231    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 232 fi
 233
 234 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 235
 236 AC_CHECK_TOOL(CC, gcc, gcc)
 237 AC_PROG_CC
 238 AM_PROG_CC_STDC
 239 AC_PROG_INSTALL
 240 AC_PROG_AWK
 241 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 242 : ${CCAS='$(CC)'}
 243 # Set ASFLAGS if not already set.
 244 : ${CCASFLAGS='$(CFLAGS)'}
 245 AC_SUBST(CCAS)
 246 AC_SUBST(CCASFLAGS)
 247
 248 AC_CHECK_PROG(BISON, bison,yes,no)
 249 if test "x$BISON" = "xno";
 250 then
 251         AC_MSG_ERROR([You need to install bison])
 252 fi
 253
 254 dnl may require a specific autoconf version
 255 dnl AC_PROG_CC_FOR_BUILD
 256 dnl CC_FOR_BUILD not automatically detected
 257 CC_FOR_BUILD=$CC
 258 CFLAGS_FOR_BUILD=$CFLAGS
 259 BUILD_EXEEXT=
 260 if test "x$cross_compiling" = "xyes"; then
 261         CC_FOR_BUILD=cc
 262         CFLAGS_FOR_BUILD=
 263         BUILD_EXEEXT=""
 264 fi
 265 AC_SUBST(CC_FOR_BUILD)
 266 AC_SUBST(CFLAGS_FOR_BUILD)
 267 AC_SUBST(HOST_CC)
 268 AC_SUBST(BUILD_EXEEXT)
 269
 270 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 271
 272 # Set STDC_HEADERS
 273 AC_HEADER_STDC
 274 AC_LIBTOOL_WIN32_DLL
 275 # This causes monodis to not link correctly
 276 #AC_DISABLE_FAST_INSTALL
 277 AM_PROG_LIBTOOL
 278
 279 # Test whenever ld supports -version-script
 280 AC_PROG_LD
 281 AC_PROG_LD_GNU
 282 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 283    no_version_script=yes
 284 fi
 285
 286 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 287
 288 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 289
 290 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 291
 292 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 293
 294 # for mono/metadata/debug-symfile.c
 295 AC_CHECK_HEADERS(elf.h)
 296
 297 # for support
 298 AC_CHECK_HEADERS(poll.h)
 299 AC_CHECK_HEADERS(sys/poll.h)
 300 AC_CHECK_HEADERS(sys/wait.h)
 301 AC_CHECK_HEADERS(grp.h)
 302 AC_CHECK_HEADERS(syslog.h)
 303
 304 # for mono/dis
 305 AC_CHECK_HEADERS(wchar.h)
 306 case "$host" in
 307         *-*-*freebsd6*)
 308                 AC_CHECK_HEADERS(ieeefp.h)
 309         ;;
 310         *-*-*freebsd*)
 311                 /* Only freebsd6 has a working ieeefp.h */
 312         ;;
 313         *)
 314                 AC_CHECK_HEADERS(ieeefp.h)
 315         ;;
 316 esac
 317 AC_MSG_CHECKING(for isinf)
 318 AC_TRY_LINK([#include <math.h>], [
 319         int f = isinf (1);
 320 ], [
 321         AC_MSG_RESULT(yes)
 322         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 323 ], [
 324         # We'll have to use signals
 325         AC_MSG_RESULT(no)
 326 ])
 327
 328
 329 # not 64 bit clean in cross-compile
 330 AC_CHECK_SIZEOF(void *, 4)
 331
 332 WARN=''
 333 if test x"$GCC" = xyes; then
 334         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 335                 # The runtime code does not respect ANSI C strict aliasing rules
 336                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 337
 338                 ORIG_CFLAGS=$CFLAGS
 339                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 340                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 341                 AC_TRY_COMPILE([], [
 342                                                    void main () { }
 343                 ], [
 344                    AC_MSG_RESULT(yes)
 345                 ], [
 346                    AC_MSG_RESULT(no)
 347                    CFLAGS=$ORIG_CFLAGS
 348                 ])
 349 else
 350         # The Sun Forte compiler complains about inline functions that access static variables
 351         # so disable all inlining.
 352         case "$host" in
 353         *-*-solaris*)
 354                 CFLAGS="$CFLAGS -Dinline="
 355                 ;;
 356         esac
 357 fi
 358 CFLAGS="$CFLAGS -g $WARN"
 359
 360 # Where's the 'mcs' source tree?
 361 if test -d $srcdir/mcs; then
 362   mcsdir=mcs
 363 else
 364   mcsdir=../mcs
 365 fi
 366
 367 mcs_topdir='$(top_srcdir)/'$mcsdir
 368 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 369
 370 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 371 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
 372
 373 AC_SUBST([mcs_topdir])
 374 AC_SUBST([mcs_topdir_from_srcdir])
 375
 376 AC_ARG_WITH([libgdiplus],
 377         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 378         [], [with_libgdiplus=installed])
 379
 380 case $with_libgdiplus in
 381 no|installed) libgdiplus_loc= ;;
 382 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 383 /*) libgdiplus_loc=$with_libgdiplus ;;
 384 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 385 esac
 386 AC_SUBST([libgdiplus_loc])
 387
 388 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 389 if test "x$PKG_CONFIG" = "xno"; then
 390         AC_MSG_ERROR([You need to install pkg-config])
 391 fi
 392
 393 pkg_config_path=
 394 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 395         if test x$with_crosspkgdir = "x"; then
 396                 if test -s $PKG_CONFIG_PATH; then
 397                         pkg_config_path=$PKG_CONFIG_PATH
 398                 fi
 399         else
 400                 pkg_config_path=$with_crosspkgdir
 401                 PKG_CONFIG_PATH=$pkg_config_path
 402                 export PKG_CONFIG_PATH
 403         fi
 404 )
 405
 406 AC_ARG_WITH([glib],
 407         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 408         [], [with_glib=system])
 409
 410 case $with_glib in
 411 embedded)
 412   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 413   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 414   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 415   BUILD_GLIB_LIBS="$GLIB_LIBS"
 416   AC_CONFIG_SUBDIRS(eglib)
 417   ;;
 418 system)
 419   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 420   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 421
 422   ## Versions of dependencies
 423   GLIB_REQUIRED_VERSION=1.3.11
 424
 425   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 426
 427   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 428   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 429   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 430   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 431   ;;
 432 *)
 433   AC_MSG_ERROR([Invalid argument to --with-glib.])
 434 esac
 435 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 436
 437 AC_SUBST(GLIB_CFLAGS)
 438 AC_SUBST(GLIB_LIBS)
 439 AC_SUBST(GMODULE_CFLAGS)
 440 AC_SUBST(GMODULE_LIBS)
 441 AC_SUBST(BUILD_GLIB_CFLAGS)
 442 AC_SUBST(BUILD_GLIB_LIBS)
 443
 444 if test x$cross_compiling$platform_win32 = xnoyes; then
 445    AC_MSG_CHECKING(for cygwin glib2-dev package)
 446    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 447       AC_MSG_RESULT(found)
 448           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.])
 449    else
 450       AC_MSG_RESULT(not found, ok)
 451    fi
 452
 453    AC_MSG_CHECKING(for broken gwin32.h)
 454    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 455    if test -f $glib_include/glib/gwin32.h; then
 456           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 457                  AC_MSG_RESULT(failed)
 458                  hashmark='#'
 459                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 460           fi
 461    fi
 462    AC_MSG_RESULT(ok)
 463 fi
 464
 465 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 466
 467 # Enable support for fast thread-local storage
 468 # Some systems have broken support, so we allow to disable it.
 469 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 470
 471 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 472 # This does not work on some platforms (bug #55253)
 473 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 474
 475 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 476
 477 if test "x$enable_static" = "xno"; then
 478    with_static_mono=no
 479 fi
 480
 481 if test "x$platform_win32" = "xyes"; then
 482    # Boehm GC requires the runtime to be in its own dll
 483    with_static_mono=no
 484 fi
 485
 486 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 487
 488 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 489 if test "x$with_xen_opt" = "xyes"; then
 490         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 491         ORIG_CFLAGS=$CFLAGS
 492         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 493         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 494         AC_TRY_COMPILE([], [
 495                                            void main () { }
 496         ], [
 497            AC_MSG_RESULT(yes)
 498         ], [
 499            AC_MSG_RESULT(no)
 500            CFLAGS=$ORIG_CFLAGS
 501         ])
 502 fi
 503
 504 DISABLED_FEATURES=none
 505
 506 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 507   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 508   reflection_emit, large_code, logging, com, ssa, generics.],
 509 [
 510         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 511                 eval "mono_feature_disable_$feature='yes'"
 512                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 513         done
 514         DISABLED_FEATURES=$enable_minimal
 515         disabled="Disabled:    $enable_minimal"
 516 ],[])
 517
 518 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 519
 520 if test "x$mono_feature_disable_aot" = "xyes"; then
 521         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 522 fi
 523
 524 if test "x$mono_feature_disable_profiler" = "xyes"; then
 525         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 526 fi
 527
 528 if test "x$mono_feature_disable_decimal" = "xyes"; then
 529         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 530 fi
 531
 532 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 533         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 534 fi
 535
 536 if test "x$mono_feature_disable_debug" = "xyes"; then
 537         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 538 fi
 539
 540 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 541         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 542 fi
 543
 544 if test "x$mono_feature_disable_large_code" = "xyes"; then
 545         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 546 fi
 547
 548 if test "x$mono_feature_disable_logging" = "xyes"; then
 549         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 550 fi
 551
 552 if test "x$mono_feature_disable_com" = "xyes"; then
 553         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 554 fi
 555
 556 if test "x$mono_feature_disable_ssa" = "xyes"; then
 557         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 558 fi
 559
 560 if test "x$mono_feature_disable_generics" = "xyes"; then
 561         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 562 fi
 563
 564 AC_MSG_CHECKING(for visibility __attribute__)
 565 AC_TRY_COMPILE([], [
 566    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 567    void main () { doit (); }
 568 ], [
 569    have_visibility_hidden=yes
 570    AC_MSG_RESULT(yes)
 571 ], [
 572    have_visibility_hidden=no
 573    AC_MSG_RESULT(no)
 574 ])
 575
 576 LIBGC_CFLAGS=
 577 LIBGC_LIBS=
 578 LIBGC_STATIC_LIBS=
 579 libgc_dir=
 580 case "x$gc" in
 581         xboehm|xbohem|xyes)
 582                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 583                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 584
 585                 if test "x$found_boehm" != "xyes"; then
 586                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 587                 fi
 588                 if test "x$gc_headers" != "xyes"; then
 589                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 590                 fi
 591
 592                 AC_DEFINE(HAVE_BOEHM_GC)
 593                 AC_SUBST(HAVE_BOEHM_GC)
 594                 LIBGC_LIBS="-lgc $libdl"
 595                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 596
 597                 # AC_CHECK_FUNCS does not work for some reason...
 598                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 599                 if test "x$found_gcj_malloc" = "xyes"; then
 600                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 601                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 602                 else
 603                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 604                 fi
 605                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 606                 if test "x$found_gc_enable" = "xyes"; then
 607                         AC_DEFINE(HAVE_GC_ENABLE)
 608                 fi
 609                 ;;
 610
 611         xincluded)
 612                 AC_CONFIG_SUBDIRS(libgc)
 613
 614                 # Pass CPPFLAGS to libgc configure
 615                 # Maybe we should use a separate variable for this to avoid passing useless and
 616                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 617                 export CPPFLAGS
 618
 619                 found_boehm=yes
 620                 gc_headers=yes
 621                 use_included_gc=yes
 622                 libgc_dir=libgc
 623
 624                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 625                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 626                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 627
 628                 AC_DEFINE(HAVE_BOEHM_GC)
 629                 AC_SUBST(HAVE_BOEHM_GC)
 630
 631                 AC_DEFINE(HAVE_GC_H)
 632                 AC_DEFINE(USE_INCLUDED_LIBGC)
 633
 634                 # The included libgc contains GCJ support
 635                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 636                 AC_DEFINE(HAVE_GC_ENABLE)
 637                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 638                 ;;
 639
 640         xsgen)
 641                 found_boehm=no
 642                 gc_headers=no
 643                 use_included_gc=no
 644                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 645                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 646                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 647                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 648                 ;;
 649
 650         xnone)
 651                 AC_MSG_WARN("Compiling mono without GC.")
 652                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 653                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 654                 ;;
 655         *)
 656                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 657                 ;;
 658 esac
 659
 660 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 661 if test "x$large_heap" = "xyes"; then
 662    echo "FOO"
 663    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 664 fi
 665
 666 # tell libgc/configure about what we want
 667 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 668
 669 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 670 AC_SUBST(LIBGC_CFLAGS)
 671 AC_SUBST(LIBGC_LIBS)
 672 AC_SUBST(LIBGC_STATIC_LIBS)
 673 AC_SUBST(libgc_dir)
 674
 675 dnl
 676 dnl End of libgc checks
 677 dnl
 678
 679 if test x$platform_win32 = xno; then
 680
 681         dnl ******************************************************************
 682         dnl *** Checks for the IKVM JNI interface library                  ***
 683         dnl ******************************************************************
 684         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 685
 686         ikvm_native_dir=
 687         if test x$with_ikvm_native = xyes; then
 688                 ikvm_native_dir=ikvm-native
 689                 jdk_headers_found="IKVM Native"
 690         fi
 691
 692         AC_SUBST(ikvm_native_dir)
 693
 694         AC_CHECK_HEADERS(execinfo.h)
 695
 696         AC_CHECK_FUNCS(getgrgid_r)
 697         AC_CHECK_FUNCS(getgrnam_r)
 698         AC_CHECK_FUNCS(getpwnam_r)
 699         AC_CHECK_FUNCS(getpwuid_r)
 700         AC_CHECK_FUNCS(getresuid)
 701         AC_CHECK_FUNCS(setresuid)
 702         AC_CHECK_FUNCS(kqueue)
 703         AC_CHECK_FUNCS(backtrace_symbols)
 704         AC_CHECK_FUNCS(mkstemp)
 705
 706         dnl ******************************************************************
 707         dnl *** Check for large file support                               ***
 708         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 709         dnl ******************************************************************
 710
 711         # Check that off_t can represent 2**63 - 1 correctly, working around
 712         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 713         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 714         large_offt=no
 715         AC_DEFUN([LARGE_FILES], [
 716                 large_CPPFLAGS=$CPPFLAGS
 717                 CPPFLAGS="$CPPFLAGS $1"
 718                 AC_TRY_RUN([
 719                         #include <sys/types.h>
 720
 721                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 722
 723                         int main(void) {
 724                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 725                                                (BIG_OFF_T%2147483647==1));
 726                                 if(big_off_t) {
 727                                         exit(0);
 728                                 } else {
 729                                         exit(1);
 730                                 }
 731                         }
 732                 ], [
 733                         AC_MSG_RESULT(ok)
 734                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 735                         large_CPPFLAGS="$large_CPPFLAGS $1"
 736                         large_offt=yes
 737                 ], [
 738                         AC_MSG_RESULT(no)
 739                 ], "")
 740                 CPPFLAGS=$large_CPPFLAGS
 741         ])
 742
 743         AC_MSG_CHECKING(if off_t is 64 bits wide)
 744         LARGE_FILES("")
 745         if test $large_offt = no; then
 746                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 747                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 748         fi
 749         if test $large_offt = no; then
 750                 AC_MSG_WARN([No 64 bit file size support available])
 751         fi
 752
 753         dnl *****************************
 754         dnl *** Checks for libsocket  ***
 755         dnl *****************************
 756         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 757
 758         dnl *******************************
 759         dnl *** Checks for MSG_NOSIGNAL ***
 760         dnl *******************************
 761         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 762         AC_TRY_COMPILE([#include <sys/socket.h>], [
 763                 int f = MSG_NOSIGNAL;
 764         ], [
 765                 # Yes, we have it...
 766                 AC_MSG_RESULT(yes)
 767                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 768         ], [
 769                 # We'll have to use signals
 770                 AC_MSG_RESULT(no)
 771         ])
 772
 773         dnl *****************************
 774         dnl *** Checks for SOL_IP     ***
 775         dnl *****************************
 776         AC_MSG_CHECKING(for SOL_IP)
 777         AC_TRY_COMPILE([#include <netdb.h>], [
 778                 int level = SOL_IP;
 779         ], [
 780                 # Yes, we have it...
 781                 AC_MSG_RESULT(yes)
 782                 AC_DEFINE(HAVE_SOL_IP)
 783         ], [
 784                 # We'll have to use getprotobyname
 785                 AC_MSG_RESULT(no)
 786         ])
 787
 788         dnl *****************************
 789         dnl *** Checks for SOL_IPV6     ***
 790         dnl *****************************
 791         AC_MSG_CHECKING(for SOL_IPV6)
 792         AC_TRY_COMPILE([#include <netdb.h>], [
 793                 int level = SOL_IPV6;
 794         ], [
 795                 # Yes, we have it...
 796                 AC_MSG_RESULT(yes)
 797                 AC_DEFINE(HAVE_SOL_IPV6)
 798         ], [
 799                 # We'll have to use getprotobyname
 800                 AC_MSG_RESULT(no)
 801         ])
 802
 803         dnl *****************************
 804         dnl *** Checks for SOL_TCP    ***
 805         dnl *****************************
 806         AC_MSG_CHECKING(for SOL_TCP)
 807         AC_TRY_COMPILE([#include <netdb.h>], [
 808                 int level = SOL_TCP;
 809         ], [
 810                 # Yes, we have it...
 811                 AC_MSG_RESULT(yes)
 812                 AC_DEFINE(HAVE_SOL_TCP)
 813         ], [
 814                 # We'll have to use getprotobyname
 815                 AC_MSG_RESULT(no)
 816         ])
 817
 818         dnl *****************************
 819         dnl *** Checks for IP_PKTINFO ***
 820         dnl *****************************
 821         AC_MSG_CHECKING(for IP_PKTINFO)
 822         AC_TRY_COMPILE([#include <netdb.h>], [
 823                 int level = IP_PKTINFO;
 824         ], [
 825                 # Yes, we have it...
 826                 AC_MSG_RESULT(yes)
 827                 AC_DEFINE(HAVE_IP_PKTINFO)
 828         ], [
 829                 AC_MSG_RESULT(no)
 830         ])
 831
 832         dnl *****************************
 833     dnl *** Checks for IPV6_PKTINFO ***
 834     dnl *****************************
 835     AC_MSG_CHECKING(for IPV6_PKTINFO)
 836     AC_TRY_COMPILE([#include <netdb.h>], [
 837         int level = IPV6_PKTINFO;
 838     ], [
 839         # Yes, we have it...
 840         AC_MSG_RESULT(yes)
 841         AC_DEFINE(HAVE_IPV6_PKTINFO)
 842     ], [
 843         AC_MSG_RESULT(no)
 844     ])
 845
 846         dnl *********************************
 847         dnl *** Check for struct ip_mreqn ***
 848         dnl *********************************
 849         AC_MSG_CHECKING(for struct ip_mreqn)
 850         AC_TRY_COMPILE([#include <netinet/in.h>], [
 851                 struct ip_mreqn mreq;
 852                 mreq.imr_address.s_addr = 0;
 853         ], [
 854                 # Yes, we have it...
 855                 AC_MSG_RESULT(yes)
 856                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 857         ], [
 858                 # We'll just have to try and use struct ip_mreq
 859                 AC_MSG_RESULT(no)
 860                 AC_MSG_CHECKING(for struct ip_mreq)
 861                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 862                         struct ip_mreq mreq;
 863                         mreq.imr_interface.s_addr = 0;
 864                 ], [
 865                         # Yes, we have it...
 866                         AC_MSG_RESULT(yes)
 867                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 868                 ], [
 869                         # No multicast support
 870                         AC_MSG_RESULT(no)
 871                 ])
 872         ])
 873
 874         dnl **********************************
 875         dnl *** Check for gethostbyname2_r ***
 876         dnl **********************************
 877         AC_MSG_CHECKING(for gethostbyname2_r)
 878                 AC_TRY_LINK([#include <netdb.h>], [
 879                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 880         ], [
 881                 # Yes, we have it...
 882                 AC_MSG_RESULT(yes)
 883                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 884         ], [
 885                 AC_MSG_RESULT(no)
 886         ])
 887
 888         dnl *****************************
 889         dnl *** Checks for libnsl     ***
 890         dnl *****************************
 891         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
 892
 893         AC_CHECK_FUNCS(inet_pton inet_aton)
 894
 895         dnl ***********************************************
 896         dnl *** Checks for size of sockaddr_un.sun_path ***
 897         dnl ***********************************************
 898         # AC_CHECK_SIZEOF can't cope with struct members :-(
 899         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 900         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 901                 [AC_TRY_RUN([
 902                         #include <sys/types.h>
 903                         #include <stdio.h>
 904                         #include <sys/un.h>
 905
 906                         int main(void) {
 907                                 struct sockaddr_un sock_un;
 908                                 FILE *f=fopen("conftestval", "w");
 909                                 if(!f) exit(1);
 910                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 911                                 exit(0);
 912                         }
 913                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 914                    cv_mono_sizeof_sunpath=0,
 915                    cv_mono_sizeof_sunpath=0)])dnl
 916         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 917         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 918
 919         dnl *************************************
 920         dnl *** Checks for zero length arrays ***
 921         dnl *************************************
 922         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 923         AC_TRY_COMPILE([
 924                 struct s {
 925                         int  length;
 926                         char data [0];
 927                 };
 928         ], [], [
 929                 AC_MSG_RESULT(yes)
 930                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 931         ], [
 932                 AC_MSG_RESULT(no)
 933                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 934         ])
 935
 936         dnl *****************************
 937         dnl *** Checks for libxnet    ***
 938         dnl *****************************
 939         case "${host}" in
 940                 *solaris* )
 941                         AC_MSG_CHECKING(for Solaris XPG4 support)
 942                         if test -f /usr/lib/libxnet.so; then
 943                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 944                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 945                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 946                                 LIBS="$LIBS -lxnet"
 947                                 AC_MSG_RESULT(yes)
 948                         else
 949                                 AC_MSG_RESULT(no)
 950                         fi
 951
 952                         if test "$GCC" = "yes"; then
 953                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 954                         fi
 955                 ;;
 956         esac
 957
 958         dnl *****************************
 959         dnl *** Checks for libpthread ***
 960         dnl *****************************
 961 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 962 # and libpthread does not exist
 963 #
 964         case "${host}" in
 965                 *-*-*freebsd4*)
 966                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 967                 ;;
 968                 *-*-*freebsd5*)
 969                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 970                 ;;
 971                 *-*-*freebsd6*)
 972                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 973                 ;;
 974                 *)
 975                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 976                 ;;
 977         esac
 978         AC_CHECK_HEADERS(pthread.h)
 979         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 980         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 981         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 982         AC_TRY_COMPILE([ #include <pthread.h>], [
 983                 pthread_mutexattr_t attr;
 984                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 985         ], [
 986                 AC_MSG_RESULT(ok)
 987         ], [
 988                 AC_MSG_RESULT(no)
 989                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 990                 AC_DEFINE(USE_MONO_MUTEX)
 991         ])
 992         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 993         AC_CHECK_FUNCS(pthread_attr_getstack)
 994         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 995
 996         dnl ***********************************
 997         dnl *** Checks for working __thread ***
 998         dnl ***********************************
 999         AC_MSG_CHECKING(for working __thread)
1000         if test "x$with_tls" != "x__thread"; then
1001                 AC_MSG_RESULT(disabled)
1002         else
1003                 AC_TRY_RUN([
1004                         #include <pthread.h>
1005                         __thread int i;
1006                         static int res1, res2;
1007
1008                         void thread_main (void *arg)
1009                         {
1010                                 i = arg;
1011                                 sleep (1);
1012                                 if (arg == 1)
1013                                         res1 = (i == arg);
1014                                 else
1015                                         res2 = (i == arg);
1016                         }
1017
1018                         int main () {
1019                                 pthread_t t1, t2;
1020
1021                                 i = 5;
1022
1023                                 pthread_create (&t1, NULL, thread_main, 1);
1024                                 pthread_create (&t2, NULL, thread_main, 2);
1025
1026                                 pthread_join (t1, NULL);
1027                                 pthread_join (t2, NULL);
1028
1029                                 return !(res1 + res2 == 2);
1030                         }
1031                 ], [
1032                                 AC_MSG_RESULT(yes)
1033                 ], [
1034                                 AC_MSG_RESULT(no)
1035                                 with_tls=pthread
1036                 ])
1037         fi
1038
1039         dnl **************************************
1040         dnl *** Checks for working sigaltstack ***
1041         dnl **************************************
1042         AC_MSG_CHECKING(for working sigaltstack)
1043         if test "x$with_sigaltstack" != "xyes"; then
1044                 AC_MSG_RESULT(disabled)
1045         else
1046                 AC_TRY_RUN([
1047                         #include <stdio.h>
1048                         #include <stdlib.h>
1049                         #include <unistd.h>
1050                         #include <signal.h>
1051                         #include <pthread.h>
1052                         #include <sys/wait.h>
1053                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1054                         #define SA_STACK SA_ONSTACK
1055                         #endif
1056                         static void
1057                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1058                         {
1059                                 exit (0);
1060                         }
1061
1062                         static void *
1063                         loop (void *ignored)
1064                         {
1065                                 char *ptr = NULL;
1066
1067                                 *ptr = 0;
1068                                 return NULL;
1069                         }
1070
1071                         static void
1072                         child ()
1073                         {
1074                                 struct sigaction sa;
1075                                 struct sigaltstack sas;
1076                                 pthread_t id;
1077                                 pthread_attr_t attr;
1078
1079                                 sa.sa_sigaction = sigsegv_signal_handler;
1080                                 sigemptyset (&sa.sa_mask);
1081                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1082                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1083                                         perror ("sigaction");
1084                                         return;
1085                                 }
1086
1087                                 sas.ss_sp = malloc (SIGSTKSZ);
1088                                 sas.ss_size = SIGSTKSZ;
1089                                 sas.ss_flags = 0;
1090                                 if (sigaltstack (&sas, NULL) == -1) {
1091                                         perror ("sigaltstack");
1092                                         return;
1093                                 }
1094
1095                                 pthread_attr_init (&attr);
1096                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1097                                         printf ("pthread_create\n");
1098                                         return;
1099                                 }
1100
1101                                 sleep (100);
1102                         }
1103
1104                         int
1105                         main ()
1106                         {
1107                                 pid_t son;
1108                                 int status;
1109                                 int i;
1110
1111                                 son = fork ();
1112                                 if (son == -1) {
1113                                         return 1;
1114                                 }
1115
1116                                 if (son == 0) {
1117                                         child ();
1118                                         return 0;
1119                                 }
1120
1121                                 for (i = 0; i < 3; ++i) {
1122                                         sleep (1);
1123                                         waitpid (son, &status, WNOHANG);
1124                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1125                                                 return 0;
1126                                 }
1127
1128                                 kill (son, SIGKILL);
1129                                 return 1;
1130                         }
1131
1132                 ], [
1133                                 AC_MSG_RESULT(yes)
1134                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1135                 ], [
1136                                 with_sigaltstack=no
1137                                 AC_MSG_RESULT(no)
1138                 ])
1139         fi
1140
1141         dnl ********************************
1142         dnl *** Checks for semaphore lib ***
1143         dnl ********************************
1144         # 'Real Time' functions on Solaris
1145         # posix4 on Solaris 2.6
1146         # pthread (first!) on Linux
1147         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1148
1149         dnl ********************************
1150         dnl *** Checks for timezone stuff **
1151         dnl ********************************
1152         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1153                 AC_TRY_COMPILE([
1154                         #include <time.h>
1155                         ], [
1156                         struct tm tm;
1157                         tm.tm_gmtoff = 1;
1158                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1159         if test $ac_cv_struct_tm_gmtoff = yes; then
1160                 AC_DEFINE(HAVE_TM_GMTOFF)
1161         else
1162                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1163                         AC_TRY_COMPILE([
1164                                 #include <time.h>
1165                         ], [
1166                                 timezone = 1;
1167                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1168                 if test $ac_cv_var_timezone = yes; then
1169                         AC_DEFINE(HAVE_TIMEZONE)
1170                 else
1171                         AC_ERROR(unable to find a way to determine timezone)
1172                 fi
1173         fi
1174
1175         dnl *********************************
1176         dnl *** Checks for math functions ***
1177         dnl *********************************
1178         LIBS="$LIBS -lm";
1179         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1180                 AC_TRY_LINK([#include <math.h>],
1181                 [ finite(0.0); ],
1182                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1183                 AC_MSG_RESULT(no)))
1184         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1185                 AC_TRY_LINK([#include <math.h>],
1186                 [ isfinite(0.0); ],
1187                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1188                 AC_MSG_RESULT(no)))
1189
1190         dnl ****************************************************************
1191         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1192         dnl *** have it in the library (duh))                            ***
1193         dnl ****************************************************************
1194         AC_CHECK_FUNCS(poll)
1195
1196         dnl *************************
1197         dnl *** Check for signbit ***
1198         dnl *************************
1199         AC_MSG_CHECKING(for signbit)
1200         AC_TRY_LINK([#include <math.h>], [
1201                 int s = signbit(1.0);
1202         ], [
1203                 AC_MSG_RESULT(yes)
1204                 AC_DEFINE(HAVE_SIGNBIT)
1205         ], [
1206                 AC_MSG_RESULT(no)
1207         ])
1208
1209         dnl **********************************
1210         dnl *** epoll                      ***
1211         dnl **********************************
1212         AC_CHECK_HEADERS(sys/epoll.h)
1213         haveepoll=no
1214         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1215         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1216                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1217         fi
1218
1219         dnl ******************************
1220         dnl *** Checks for SIOCGIFCONF ***
1221         dnl ******************************
1222         AC_CHECK_HEADERS(sys/ioctl.h)
1223         AC_CHECK_HEADERS(net/if.h)
1224         AC_MSG_CHECKING(for ifreq)
1225         AC_TRY_COMPILE([
1226                 #include <sys/ioctl.h>
1227                 #include <net/if.h>
1228                 ], [
1229                 struct ifconf ifc;
1230                 struct ifreq *ifr;
1231                 void *x;
1232                 ifc.ifc_len = 0;
1233                 ifc.ifc_buf = NULL;
1234                 x = (void *) &ifr->ifr_addr;
1235                 ],[
1236                         AC_MSG_RESULT(yes)
1237                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1238                 ], [
1239                         AC_MSG_RESULT(no)
1240                 ])
1241         dnl **********************************
1242         dnl *** Checks for MonoPosixHelper ***
1243         dnl **********************************
1244         AC_CHECK_HEADERS(checklist.h)
1245         AC_CHECK_HEADERS(fstab.h)
1246         AC_CHECK_HEADERS(attr/xattr.h)
1247         AC_CHECK_HEADERS(sys/extattr.h)
1248         AC_CHECK_HEADERS(sys/sendfile.h)
1249         AC_CHECK_HEADERS(sys/statvfs.h)
1250         AC_CHECK_HEADERS(sys/vfstab.h)
1251         AC_CHECK_HEADERS(sys/xattr.h)
1252         AC_CHECK_HEADERS(sys/mman.h)
1253         AC_CHECK_FUNCS(getdomainname)
1254         AC_CHECK_FUNCS(setdomainname)
1255         AC_CHECK_FUNCS(fgetgrent)
1256         AC_CHECK_FUNCS(fgetpwent)
1257         AC_CHECK_FUNCS(fgetpwent)
1258         AC_CHECK_FUNCS(getfsstat)
1259         AC_CHECK_FUNCS(lutimes)
1260         AC_CHECK_FUNCS(mremap)
1261         AC_CHECK_FUNCS(remap_file_pages)
1262         AC_CHECK_FUNCS(posix_fadvise)
1263         AC_CHECK_FUNCS(posix_fallocate)
1264         AC_CHECK_FUNCS(posix_madvise)
1265         AC_CHECK_FUNCS(vsnprintf)
1266         AC_CHECK_FUNCS(sendfile)
1267         AC_CHECK_FUNCS(sethostid)
1268         AC_CHECK_FUNCS(statfs)
1269         AC_CHECK_FUNCS(fstatfs)
1270         AC_CHECK_FUNCS(statvfs)
1271         AC_CHECK_FUNCS(fstatvfs)
1272         AC_CHECK_FUNCS(stime)
1273         AC_CHECK_FUNCS(strerror_r)
1274         AC_CHECK_FUNCS(ttyname_r)
1275         AC_CHECK_SIZEOF(size_t)
1276         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1277                 [#include <sys/types.h>
1278                  #include <sys/stat.h>
1279                  #include <unistd.h>])
1280         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1281                 [#include <sys/types.h>
1282                  #include <sys/stat.h>
1283                  #include <unistd.h>])
1284         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1285                 [#include <sys/time.h>])
1286         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1287                 [#include <sys/poll.h>])
1288         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1289                 [#include <sys/types.h>
1290                  #include <sys/stat.h>
1291                  #include <unistd.h>])
1292         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1293                 [#include <sys/time.h>
1294                  #include <sys/types.h>
1295                  #include <utime.h>])
1296         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1297                 [#include <sys/time.h>])
1298         AC_CHECK_MEMBERS(
1299                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1300                 [#include <sys/types.h>
1301                  #include <dirent.h>])
1302
1303         dnl Favour xattr through glibc, but use libattr if we have to
1304         AC_CHECK_FUNC(lsetxattr, ,
1305                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1306         )
1307         AC_SUBST(XATTR_LIB)
1308
1309         dnl *********************************
1310         dnl *** Check for Console 2.0 I/O ***
1311         dnl *********************************
1312         AC_CHECK_HEADERS([curses.h])
1313         AC_CHECK_HEADERS([term.h], [], [],
1314         [#if HAVE_CURSES_H
1315          #include <curses.h>
1316          #endif
1317         ])
1318         AC_CHECK_HEADERS([termios.h])
1319
1320         dnl * This is provided in io-layer, but on windows it's only available
1321         dnl * on xp+
1322         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1323 else
1324         jdk_headers_found=no
1325         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1326         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1327         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1328         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1329
1330         dnl *********************************
1331         dnl *** Check for struct ip_mreqn ***
1332         dnl *********************************
1333         AC_MSG_CHECKING(for struct ip_mreqn)
1334         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1335                 struct ip_mreqn mreq;
1336                 mreq.imr_address.s_addr = 0;
1337         ], [
1338                 # Yes, we have it...
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1341         ], [
1342                 # We'll just have to try and use struct ip_mreq
1343                 AC_MSG_RESULT(no)
1344                 AC_MSG_CHECKING(for struct ip_mreq)
1345                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1346                         struct ip_mreq mreq;
1347                         mreq.imr_interface.s_addr = 0;
1348                 ], [
1349                         # Yes, we have it...
1350                         AC_MSG_RESULT(yes)
1351                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1352                 ], [
1353                         # No multicast support
1354                         AC_MSG_RESULT(no)
1355                 ])
1356         ])
1357         AC_CHECK_FUNCS(GetProcessId)
1358 fi
1359
1360 dnl socklen_t check
1361 AC_MSG_CHECKING(for socklen_t)
1362 AC_TRY_COMPILE([
1363 #include <sys/types.h>
1364 #include <sys/socket.h>
1365 ],[
1366   socklen_t foo;
1367 ],[
1368 ac_cv_c_socklen_t=yes
1369         AC_DEFINE(HAVE_SOCKLEN_T)
1370         AC_MSG_RESULT(yes)
1371 ],[
1372         AC_MSG_RESULT(no)
1373 ])
1374
1375 AC_MSG_CHECKING(for array element initalizer support)
1376 AC_TRY_COMPILE([#include <sys/socket.h>], [
1377         const int array[] = {[1] = 2,};
1378 ], [
1379         # Yes, we have it...
1380         AC_MSG_RESULT(yes)
1381         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1382 ], [
1383         # We'll have to use signals
1384         AC_MSG_RESULT(no)
1385 ])
1386
1387 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1388         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1389         AC_TRY_LINK([#include <math.h>],
1390         [ static void *p = &trunc; ],
1391         [
1392                 AC_DEFINE(HAVE_TRUNC)
1393                 AC_MSG_RESULT(yes)
1394                 ac_cv_trunc=yes
1395         ],
1396         AC_MSG_RESULT(no)))
1397
1398 if test "x$ac_cv_truncl" != "xyes"; then
1399    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1400 fi
1401
1402 dnl ****************************
1403 dnl *** Look for /dev/random ***
1404 dnl ****************************
1405
1406 AC_MSG_CHECKING([if usage of random device is requested])
1407 AC_ARG_ENABLE(dev-random,
1408 [  --disable-dev-random    disable the use of the random device],
1409 try_dev_random=$enableval, try_dev_random=yes)
1410 AC_MSG_RESULT($try_dev_random)
1411
1412 case "{$target}" in
1413     *-openbsd*)
1414     NAME_DEV_RANDOM="/dev/srandom"
1415     ;;
1416
1417 dnl Win32 does not have /dev/random, they have their own method...
1418
1419     *-*-mingw*|*-*-cygwin*)
1420     ac_cv_have_dev_random=no
1421     ;;
1422
1423 dnl Everywhere else, it's /dev/random
1424
1425     *)
1426     NAME_DEV_RANDOM="/dev/random"
1427     ;;
1428 esac
1429
1430 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1431
1432 dnl Now check if the device actually exists
1433
1434 if test "x$try_dev_random" = "xyes"; then
1435     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1436     [if test -r "$NAME_DEV_RANDOM" ; then
1437         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1438     if test "x$ac_cv_have_dev_random" = "xyes"; then
1439         AC_DEFINE(HAVE_CRYPT_RNG)
1440     fi
1441 else
1442     AC_MSG_CHECKING(for random device)
1443     ac_cv_have_dev_random=no
1444     AC_MSG_RESULT(has been disabled)
1445 fi
1446
1447 if test "x$platform_win32" = "xyes"; then
1448     AC_DEFINE(HAVE_CRYPT_RNG)
1449 fi
1450
1451 if test "x$ac_cv_have_dev_random" = "xno" \
1452     && test "x$platform_win32" = "xno"; then
1453     AC_MSG_WARN([[
1454 ***
1455 *** A system-provided entropy source was not found on this system.
1456 *** Because of this, the System.Security.Cryptography random number generator
1457 *** will throw a NotImplemented exception.
1458 ***
1459 *** If you are seeing this message, and you know your system DOES have an
1460 *** entropy collection in place, please contact <crichton@gimp.org> and
1461 *** provide information about the system and how to access the random device.
1462 ***
1463 *** Otherwise you can install either egd or prngd and set the environment
1464 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1465 ***]])
1466 fi
1467
1468 AC_MSG_CHECKING([if inter-process shared handles are requested])
1469 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1470 AC_MSG_RESULT($try_shared_handles)
1471 if test "x$try_shared_handles" != "xyes"; then
1472         AC_DEFINE(DISABLE_SHARED_HANDLES)
1473         AC_SUBST(DISABLE_SHARED_HANDLES)
1474 fi
1475
1476 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1477 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1478
1479 TARGET="unknown"
1480 ACCESS_UNALIGNED="yes"
1481
1482 JIT_SUPPORTED=no
1483 INTERP_SUPPORTED=no
1484 LIBC="libc.so.6"
1485 INTL="libc.so.6"
1486 SQLITE="libsqlite.so.0"
1487 SQLITE3="libsqlite3.so.0"
1488 X11="libX11.so"
1489
1490 jit_wanted=false
1491 interp_wanted=false
1492 case "$host" in
1493 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1494 #               TARGET=MIPS;
1495 #               ACCESS_UNALIGNED="no"
1496 #               ;;
1497         i*86-*-*)
1498                 TARGET=X86;
1499                 arch_target=x86;
1500                 JIT_SUPPORTED=yes
1501                 jit_wanted=true
1502                 case $host_os in
1503                   solaris*)
1504                         LIBC="libc.so"
1505                         INTL="libintl.so"
1506
1507                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1508                         # int astruct __attribute__ ((visibility ("hidden")));
1509                         # void foo ()
1510                         # {
1511                         #       void *p = &astruct;
1512                         # }
1513                         # gcc -fPIC --shared -o libfoo.so foo.c
1514                         # yields:
1515                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1516                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1517                         have_visibility_hidden=no
1518
1519                         libmono_ldflags="$libmono_ldflags $LIBS"
1520                 esac
1521                 ;;
1522         x86_64-*-* | amd64-*-*)
1523                 TARGET=AMD64;
1524                 arch_target=amd64;
1525                 JIT_SUPPORTED=yes
1526                 jit_wanted=true
1527                 ;;
1528         ia64-*-*)
1529                 TARGET=IA64
1530                 arch_target=ia64
1531                 ACCESS_UNALIGNED="no"
1532                 JIT_SUPPORTED=yes
1533                 jit_wanted=true
1534                 LIBC="libc.so.6.1"
1535                 INTL="libc.so.6.1"
1536                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1537                 libmono_ldflags="-lunwind"
1538                 ;;
1539         sparc*-*-*)
1540                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1541                    TARGET=SPARC64
1542                 else
1543                         TARGET=SPARC
1544                 fi
1545                 arch_target=sparc;
1546                 JIT_SUPPORTED=yes
1547                 ACCESS_UNALIGNED="no"
1548                 case $host_os in
1549                   linux*) ;;
1550                   *)
1551                         LIBC="libc.so"
1552                         INTL="libintl.so"
1553                         libmono_ldflags="$libmono_ldflags $LIBS"
1554                 esac
1555                 jit_wanted=true
1556                 if test x"$GCC" = xyes; then
1557                         # We don't support v8 cpus
1558                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1559                 fi
1560                 if test x"$AR" = xfalse; then
1561                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1562                 fi
1563                 ;;
1564        alpha*-*-linux* | alpha*-*-osf*)
1565                 TARGET=ALPHA;
1566                 ACCESS_UNALIGNED="no"
1567                 JIT_SUPPORTED=yes
1568                 jit_wanted=true
1569                 arch_target=alpha;
1570                 CFLAGS="$CFLAGS -mieee"
1571                 case $host_os in
1572                   linux*)
1573                         LIBC="libc.so.6.1"
1574                         INTL="libc.so.6.1"
1575                 esac
1576                ;;
1577         *-*-mingw*|*-*-cygwin*)
1578                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1579                 have_visibility_hidden=no
1580                 INTL="intl"
1581                 ;;
1582         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1583                 TARGET=HPPA;
1584                 arch_target=hppa;
1585                 LIBC="libc.sl"
1586                 ACCESS_UNALIGNED="no"
1587                 INTERP_SUPPORTED=yes
1588                 interp_wanted=true
1589                 ;;
1590         hppa*linux*)
1591                 TARGET=HPPA;
1592                 arch_target=hppa;
1593                 ACCESS_UNALIGNED="no"
1594                 INTERP_SUPPORTED=yes
1595                 interp_wanted=true
1596                 ;;
1597         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1598         powerpc-*-sysv* | powerpc-*-darwin*)
1599                 TARGET=POWERPC;
1600                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1601                 arch_target=ppc;
1602                 JIT_SUPPORTED=yes
1603                 jit_wanted=true
1604                 ;;
1605         arm*-linux*)
1606                 TARGET=ARM;
1607                 arch_target=arm;
1608                 ACCESS_UNALIGNED="no"
1609                 JIT_SUPPORTED=yes
1610                 jit_wanted=true
1611                 ;;
1612         s390-*-linux*)
1613                 TARGET=S390;
1614                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1615                 arch_target=s390;
1616                 ACCESS_UNALIGNED="no"
1617                 JIT_SUPPORTED=yes
1618                 jit_wanted=true
1619                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1620                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1621                 ;;
1622         s390x-*-linux*)
1623                 TARGET=S390x;
1624                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1625                 arch_target=s390x;
1626                 ACCESS_UNALIGNED="no"
1627                 JIT_SUPPORTED=yes
1628                 jit_wanted=true
1629                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1630                 ;;
1631 esac
1632
1633 if test "x$have_visibility_hidden" = "xyes"; then
1634    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1635 fi
1636
1637 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1638         if test x$withval = xyes; then
1639            jit_wanted=true
1640         else
1641            jit_wanted=false
1642         fi
1643 ])
1644
1645 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1646         if test x$withval = xyes; then
1647            interp_wanted=true
1648         else
1649            interp_wanted=false
1650         fi
1651 ])
1652
1653 USEJIT=false
1654 if test x$JIT_SUPPORTED = xyes; then
1655    if $jit_wanted; then
1656       USEJIT=true
1657       jit_status="Building and using the JIT"
1658    else
1659       if $interp_wanted; then
1660          jit_status="Building the JIT, defaulting to the interpreter"
1661       else
1662          AC_ERROR(No JIT or interpreter support available or selected.)
1663       fi
1664    fi
1665 else
1666    if test x$interp_wanted = xtrue; then
1667       jit_status="interpreter"
1668    else
1669       AC_ERROR(No JIT or interpreter support available or selected.)
1670    fi
1671 fi
1672
1673 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1674
1675 libsuffix=".so"
1676
1677 case "$host" in
1678      *-*-darwin*)
1679         libsuffix=".dylib"
1680         LIBC="libc.dylib"
1681         INTL="libintl.dylib"
1682         SQLITE="libsqlite.0.dylib"
1683         SQLITE3="libsqlite3.0.dylib"
1684         X11="libX11.dylib"
1685         ;;
1686      *-*-*netbsd*)
1687         LIBC="libc.so.12"
1688         INTL="libintl.so.0"
1689         ;;
1690     *-*-*freebsd*)
1691         LIBC="libc.so"
1692         INTL="libintl.so"
1693         ;;
1694     *-*-*openbsd*)
1695         LIBC="libc.so"
1696         INTL="libintl.so"
1697         ;;
1698     *-*-*linux*)
1699         AC_PATH_X
1700         AC_MSG_CHECKING(for the soname of libX11.so)
1701         for i in $x_libraries /usr/lib /usr/lib64; do
1702                 for r in 4 5 6; do
1703                         if test -f $i/libX11.so.$r; then
1704                                 X11=libX11.so.$r
1705                                 AC_MSG_RESULT($X11)
1706                         fi
1707                 done
1708         done
1709
1710         if test "x$X11" = "xlibX11.so"; then
1711                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1712         fi
1713         ;;
1714 esac
1715
1716
1717 AC_SUBST(libsuffix)
1718
1719 if test "x$TARGET" != "xAMD64"; then
1720    # valgrind headers don't compile under x86-64
1721    AC_CHECK_HEADERS(valgrind/memcheck.h)
1722 fi
1723
1724 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1725         if test "x$with_tls" = "x__thread"; then
1726                 #
1727                 # On some linux distributions, TLS works in executables, but linking
1728                 # against a shared library containing TLS fails with:
1729                 # undefined reference to `__tls_get_addr'
1730                 #
1731                 rm -f conftest.c conftest.so conftest
1732                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1733                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1734                 $CC -o conftest conftest.so > /dev/null 2>&1
1735                 if test ! -f conftest; then
1736                    AC_MSG_WARN([Disabling usage of __thread.]);
1737                    with_tls=pthread
1738                 fi
1739                 rm -f conftest.c conftest.so conftest
1740         fi
1741 fi
1742
1743 mono_debugger_supported=no
1744 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1745         if test x$use_included_gc = xyes; then
1746                 case "$host" in
1747                 *-*-*linux*)
1748                         mono_debugger_supported=yes
1749                         ;;
1750                 esac
1751         fi
1752 fi
1753
1754 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1755 if test "x$mono_debugger_supported" = "xyes"; then
1756         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1757 fi
1758 AC_MSG_RESULT($mono_debugger_supported)
1759 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1760
1761 if test "x$with_tls" = "x__thread"; then
1762         AC_DEFINE(HAVE_KW_THREAD)
1763         # Pass the information to libgc
1764         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1765         AC_MSG_CHECKING(if the tls_model attribute is supported)
1766         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1767                 ], [
1768                         AC_MSG_RESULT(yes)
1769                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1770                 ], [
1771                         AC_MSG_RESULT(no)
1772         ])
1773 fi
1774
1775 if test ${TARGET} = ARM; then
1776         dnl ******************************************
1777         dnl *** Check to see what FPU is available ***
1778         dnl ******************************************
1779         AC_MSG_CHECKING(which FPU to use)
1780
1781         AC_TRY_COMPILE([], [
1782                 __asm__ ("ldfd f0, [r0]");
1783                 ], fpu=FPA, [
1784                         AC_TRY_COMPILE([], [
1785                                 __asm__ ("fldd d0, [r0]");
1786                         ], fpu=VFP, fpu=NONE)
1787                 ])
1788
1789         AC_MSG_RESULT($fpu)
1790         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1791         unset fpu
1792 fi
1793
1794 if test ${TARGET} = unknown; then
1795         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1796         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1797 fi
1798
1799 if test ${ACCESS_UNALIGNED} = no; then
1800         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1801 fi
1802
1803 PREVIEW=yes
1804 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1805         if test x$with_preview = xno; then
1806               PREVIEW=no
1807         fi
1808 ])
1809
1810 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1811
1812 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1813 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1814 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1815 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1816 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1817 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1818 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1819 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1820 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1821 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1822 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1823 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1824 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1825 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1826
1827 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1828 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1829 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1830
1831 AC_SUBST(LIBC)
1832 AC_SUBST(INTL)
1833 AC_SUBST(SQLITE)
1834 AC_SUBST(SQLITE3)
1835 AC_SUBST(X11)
1836
1837 AC_SUBST(arch_target)
1838 AC_SUBST(CFLAGS)
1839 AC_SUBST(CPPFLAGS)
1840 AC_SUBST(LDFLAGS)
1841
1842 mono_build_root=`pwd`
1843 AC_SUBST(mono_build_root)
1844
1845 if test x$USEJIT = xtrue; then
1846   mono_runtime=mono/mini/mono
1847 else
1848   mono_runtime=mono/interpreter/mint
1849 fi
1850 AC_SUBST(mono_runtime)
1851
1852 mono_cfg_root=$mono_build_root/runtime
1853 if test x$platform_win32 = xyes; then
1854   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1855 else
1856   mono_cfg_dir=$mono_cfg_root/etc
1857 fi
1858 AC_SUBST(mono_cfg_dir)
1859
1860 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1861 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1862 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1863
1864 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1865 [   depth=../../../..
1866     case $srcdir in
1867     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1868     .) reldir=$depth ;;
1869     *) reldir=$depth/$srcdir ;;
1870     esac
1871     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1872     cd runtime/etc/mono/1.0
1873     rm -f machine.config
1874     $LN_S $reldir/data/net_1_1/machine.config machine.config
1875     cd $depth
1876 ],[LN_S='$LN_S'])
1877
1878 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1879 [   depth=../../../..
1880     case $srcdir in
1881     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1882     .) reldir=$depth ;;
1883     *) reldir=$depth/$srcdir ;;
1884     esac
1885     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1886     cd runtime/etc/mono/2.0
1887     rm -f machine.config
1888     $LN_S $reldir/data/net_2_0/machine.config machine.config
1889     cd $depth
1890 ],[LN_S='$LN_S'])
1891
1892 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1893 [   depth=../../../..
1894     case $srcdir in
1895     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1896     .) reldir=$depth ;;
1897     *) reldir=$depth/$srcdir ;;
1898     esac
1899     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1900     cd runtime/etc/mono/2.0
1901     rm -f web.config
1902     $LN_S $reldir/data/net_2_0/web.config web.config
1903     cd $depth
1904 ],[LN_S='$LN_S'])
1905
1906 AC_OUTPUT([
1907 Makefile
1908 mint.pc
1909 mono.pc
1910 mono-cairo.pc
1911 dotnet.pc
1912 mono-uninstalled.pc
1913 scripts/mono-nunit.pc
1914 scripts/mono-find-provides
1915 scripts/mono-find-requires
1916 mono/Makefile
1917 mono/utils/Makefile
1918 mono/metadata/Makefile
1919 mono/dis/Makefile
1920 mono/cil/Makefile
1921 mono/arch/Makefile
1922 mono/os/Makefile
1923 mono/arch/x86/Makefile
1924 mono/arch/amd64/Makefile
1925 mono/arch/hppa/Makefile
1926 mono/arch/ppc/Makefile
1927 mono/arch/sparc/Makefile
1928 mono/arch/s390/Makefile
1929 mono/arch/s390x/Makefile
1930 mono/arch/arm/Makefile
1931 mono/arch/alpha/Makefile
1932 mono/arch/ia64/Makefile
1933 mono/interpreter/Makefile
1934 mono/tests/Makefile
1935 mono/tests/tests-config
1936 mono/tests/cas/Makefile
1937 mono/tests/cas/assembly/Makefile
1938 mono/tests/cas/demand/Makefile
1939 mono/tests/cas/inheritance/Makefile
1940 mono/tests/cas/linkdemand/Makefile
1941 mono/tests/cas/threads/Makefile
1942 mono/benchmark/Makefile
1943 mono/monoburg/Makefile
1944 mono/monograph/Makefile
1945 mono/io-layer/Makefile
1946 mono/mini/Makefile
1947 mono/profiler/Makefile
1948 ikvm-native/Makefile
1949 scripts/Makefile
1950 man/Makefile
1951 web/Makefile
1952 docs/Makefile
1953 data/Makefile
1954 data/net_1_1/Makefile
1955 data/net_2_0/Makefile
1956 samples/Makefile
1957 support/Makefile
1958 data/config
1959 tools/Makefile
1960 tools/locale-builder/Makefile
1961 runtime/Makefile
1962 ])
1963
1964 if test x$platform_win32 = xyes; then
1965    # Get rid of 'cyg' prefixes in library names
1966    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1967    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1968    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1969    # executable doesn't work...
1970    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1971 fi
1972
1973 (
1974   case $prefix in
1975   NONE) prefix=$ac_default_prefix ;;
1976   esac
1977   case $exec_prefix in
1978   NONE) exec_prefix='${prefix}' ;;
1979   esac
1980
1981   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1982
1983   #
1984   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1985   # any existing config.make.  This allows people to share the same source tree
1986   # with different build directories, one native and one cross
1987   #
1988   if test x$cross_compiling = xno; then
1989     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1990     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1991     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1992     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1993     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1994     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1995     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1996
1997     case $INSTALL in
1998     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1999     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2000     esac
2001
2002     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2003
2004     export VERSION
2005     [myver=$($AWK 'BEGIN {
2006       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2007       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2008     }')]
2009
2010     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2011   fi
2012 )
2013
2014 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2015
2016 echo "
2017         mcs source:  $mcs_topdir
2018         GC:          $gc
2019         TLS:         $with_tls
2020         SIGALTSTACK: $with_sigaltstack
2021         Engine:      $jit_status
2022         2.0 Alpha:   $PREVIEW
2023         JNI support: $jdk_headers_found
2024         libgdiplus:  $libgdiplus_msg
2025         $disabled
2026
2027 "
2028 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2029    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2030 fi
2031
2032 if test x$have_zlib = xno; then
2033    AC_MSG_WARN(ZLib devel files not available, compression file support in 2.0 won't work.)
2034 fi
2035
2036 if test x$gc = xsgen; then
2037         echo IMPORTANT:
2038         echo IMPORTANT: You have selected an experimental, work-in-progress
2039         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2040         echo IMPORTANT: and is not yet ready for use.
2041         echo IMPORTANT:
2042         echo IMPORTANT: There are known problems with it, use at your own risk.
2043 fi