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