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_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_MEMBERS(
1277                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1278                 [#include <sys/types.h>
1279                  #include <dirent.h>])
1280
1281         dnl Favour xattr through glibc, but use libattr if we have to
1282         AC_CHECK_FUNC(lsetxattr, ,
1283                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1284         )
1285         AC_SUBST(XATTR_LIB)
1286
1287         dnl *********************************
1288         dnl *** Check for Console 2.0 I/O ***
1289         dnl *********************************
1290         AC_CHECK_HEADERS([curses.h])
1291         AC_CHECK_HEADERS([term.h], [], [],
1292         [#if HAVE_CURSES_H
1293          #include <curses.h>
1294          #endif
1295         ])
1296         AC_CHECK_HEADERS([termios.h])
1297
1298         dnl * This is provided in io-layer, but on windows it's only available
1299         dnl * on xp+
1300         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1301 else
1302         jdk_headers_found=no
1303         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1304         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1305         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1306         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1307
1308         dnl *********************************
1309         dnl *** Check for struct ip_mreqn ***
1310         dnl *********************************
1311         AC_MSG_CHECKING(for struct ip_mreqn)
1312         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1313                 struct ip_mreqn mreq;
1314                 mreq.imr_address.s_addr = 0;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1319         ], [
1320                 # We'll just have to try and use struct ip_mreq
1321                 AC_MSG_RESULT(no)
1322                 AC_MSG_CHECKING(for struct ip_mreq)
1323                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1324                         struct ip_mreq mreq;
1325                         mreq.imr_interface.s_addr = 0;
1326                 ], [
1327                         # Yes, we have it...
1328                         AC_MSG_RESULT(yes)
1329                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1330                 ], [
1331                         # No multicast support
1332                         AC_MSG_RESULT(no)
1333                 ])
1334         ])
1335         AC_CHECK_FUNCS(GetProcessId)
1336 fi
1337
1338 dnl socklen_t check
1339 AC_MSG_CHECKING(for socklen_t)
1340 AC_TRY_COMPILE([
1341 #include <sys/types.h>
1342 #include <sys/socket.h>
1343 ],[
1344   socklen_t foo;
1345 ],[
1346 ac_cv_c_socklen_t=yes
1347         AC_DEFINE(HAVE_SOCKLEN_T)
1348         AC_MSG_RESULT(yes)
1349 ],[
1350         AC_MSG_RESULT(no)
1351 ])
1352
1353 AC_MSG_CHECKING(for array element initalizer support)
1354 AC_TRY_COMPILE([#include <sys/socket.h>], [
1355         const int array[] = {[1] = 2,};
1356 ], [
1357         # Yes, we have it...
1358         AC_MSG_RESULT(yes)
1359         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1360 ], [
1361         # We'll have to use signals
1362         AC_MSG_RESULT(no)
1363 ])
1364
1365 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1366         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1367         AC_TRY_LINK([#include <math.h>],
1368         [ static void *p = &trunc; ],
1369         [
1370                 AC_DEFINE(HAVE_TRUNC)
1371                 AC_MSG_RESULT(yes)
1372                 ac_cv_trunc=yes
1373         ],
1374         AC_MSG_RESULT(no)))
1375
1376 if test "x$ac_cv_truncl" != "xyes"; then
1377    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1378 fi
1379
1380 dnl ****************************
1381 dnl *** Look for /dev/random ***
1382 dnl ****************************
1383
1384 AC_MSG_CHECKING([if usage of random device is requested])
1385 AC_ARG_ENABLE(dev-random,
1386 [  --disable-dev-random    disable the use of the random device],
1387 try_dev_random=$enableval, try_dev_random=yes)
1388 AC_MSG_RESULT($try_dev_random)
1389
1390 case "{$target}" in
1391     *-openbsd*)
1392     NAME_DEV_RANDOM="/dev/srandom"
1393     ;;
1394
1395 dnl Win32 does not have /dev/random, they have their own method...
1396
1397     *-*-mingw*|*-*-cygwin*)
1398     ac_cv_have_dev_random=no
1399     ;;
1400
1401 dnl Everywhere else, it's /dev/random
1402
1403     *)
1404     NAME_DEV_RANDOM="/dev/random"
1405     ;;
1406 esac
1407
1408 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1409
1410 dnl Now check if the device actually exists
1411
1412 if test "x$try_dev_random" = "xyes"; then
1413     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1414     [if test -r "$NAME_DEV_RANDOM" ; then
1415         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1416     if test "x$ac_cv_have_dev_random" = "xyes"; then
1417         AC_DEFINE(HAVE_CRYPT_RNG)
1418     fi
1419 else
1420     AC_MSG_CHECKING(for random device)
1421     ac_cv_have_dev_random=no
1422     AC_MSG_RESULT(has been disabled)
1423 fi
1424
1425 if test "x$platform_win32" = "xyes"; then
1426     AC_DEFINE(HAVE_CRYPT_RNG)
1427 fi
1428
1429 if test "x$ac_cv_have_dev_random" = "xno" \
1430     && test "x$platform_win32" = "xno"; then
1431     AC_MSG_WARN([[
1432 ***
1433 *** A system-provided entropy source was not found on this system.
1434 *** Because of this, the System.Security.Cryptography random number generator
1435 *** will throw a NotImplemented exception.
1436 ***
1437 *** If you are seeing this message, and you know your system DOES have an
1438 *** entropy collection in place, please contact <crichton@gimp.org> and
1439 *** provide information about the system and how to access the random device.
1440 ***
1441 *** Otherwise you can install either egd or prngd and set the environment
1442 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1443 ***]])
1444 fi
1445
1446 AC_MSG_CHECKING([if inter-process shared handles are requested])
1447 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1448 AC_MSG_RESULT($try_shared_handles)
1449 if test "x$try_shared_handles" != "xyes"; then
1450         AC_DEFINE(DISABLE_SHARED_HANDLES)
1451         AC_SUBST(DISABLE_SHARED_HANDLES)
1452 fi
1453
1454 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1455 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1456
1457 TARGET="unknown"
1458 ACCESS_UNALIGNED="yes"
1459
1460 JIT_SUPPORTED=no
1461 INTERP_SUPPORTED=no
1462 LIBC="libc.so.6"
1463 INTL="libc.so.6"
1464 SQLITE="libsqlite.so.0"
1465 SQLITE3="libsqlite3.so.0"
1466 X11="libX11.so"
1467
1468 jit_wanted=false
1469 interp_wanted=false
1470 case "$host" in
1471 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1472 #               TARGET=MIPS;
1473 #               ACCESS_UNALIGNED="no"
1474 #               ;;
1475         i*86-*-*)
1476                 TARGET=X86;
1477                 arch_target=x86;
1478                 JIT_SUPPORTED=yes
1479                 jit_wanted=true
1480                 case $host_os in
1481                   solaris*)
1482                         LIBC="libc.so"
1483                         INTL="libintl.so"
1484
1485                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1486                         # int astruct __attribute__ ((visibility ("hidden")));
1487                         # void foo ()
1488                         # {
1489                         #       void *p = &astruct;
1490                         # }
1491                         # gcc -fPIC --shared -o libfoo.so foo.c
1492                         # yields:
1493                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1494                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1495                         have_visibility_hidden=no
1496
1497                         libmono_ldflags="$libmono_ldflags $LIBS"
1498                 esac
1499                 ;;
1500         x86_64-*-* | amd64-*-*)
1501                 TARGET=AMD64;
1502                 arch_target=amd64;
1503                 JIT_SUPPORTED=yes
1504                 jit_wanted=true
1505                 ;;
1506         ia64-*-*)
1507                 TARGET=IA64
1508                 arch_target=ia64
1509                 ACCESS_UNALIGNED="no"
1510                 JIT_SUPPORTED=yes
1511                 jit_wanted=true
1512                 LIBC="libc.so.6.1"
1513                 INTL="libc.so.6.1"
1514                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1515                 libmono_ldflags="-lunwind"
1516                 ;;
1517         sparc*-*-*)
1518                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1519                    TARGET=SPARC64
1520                 else
1521                         TARGET=SPARC
1522                 fi
1523                 arch_target=sparc;
1524                 JIT_SUPPORTED=yes
1525                 ACCESS_UNALIGNED="no"
1526                 case $host_os in
1527                   linux*) ;;
1528                   *)
1529                         LIBC="libc.so"
1530                         INTL="libintl.so"
1531                         libmono_ldflags="$libmono_ldflags $LIBS"
1532                 esac
1533                 jit_wanted=true
1534                 if test x"$GCC" = xyes; then
1535                         # We don't support v8 cpus
1536                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1537                 fi
1538                 if test x"$AR" = xfalse; then
1539                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1540                 fi
1541                 ;;
1542        alpha*-*-linux* | alpha*-*-osf*)
1543                 TARGET=ALPHA;
1544                 ACCESS_UNALIGNED="no"
1545                 JIT_SUPPORTED=yes
1546                 jit_wanted=true
1547                 arch_target=alpha;
1548                 CFLAGS="$CFLAGS -mieee"
1549                 case $host_os in
1550                   linux*)
1551                         LIBC="libc.so.6.1"
1552                         INTL="libc.so.6.1"
1553                 esac
1554                ;;
1555         *-*-mingw*|*-*-cygwin*)
1556                 INTL="intl"
1557                 ;;
1558         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1559                 TARGET=HPPA;
1560                 arch_target=hppa;
1561                 LIBC="libc.sl"
1562                 ACCESS_UNALIGNED="no"
1563                 INTERP_SUPPORTED=yes
1564                 interp_wanted=true
1565                 ;;
1566         hppa*linux*)
1567                 TARGET=HPPA;
1568                 arch_target=hppa;
1569                 ACCESS_UNALIGNED="no"
1570                 INTERP_SUPPORTED=yes
1571                 interp_wanted=true
1572                 ;;
1573         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1574         powerpc-*-sysv* | powerpc-*-darwin*)
1575                 TARGET=POWERPC;
1576                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1577                 arch_target=ppc;
1578                 JIT_SUPPORTED=yes
1579                 jit_wanted=true
1580                 ;;
1581         arm*-linux*)
1582                 TARGET=ARM;
1583                 arch_target=arm;
1584                 ACCESS_UNALIGNED="no"
1585                 JIT_SUPPORTED=yes
1586                 jit_wanted=true
1587                 ;;
1588         s390-*-linux*)
1589                 TARGET=S390;
1590                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1591                 arch_target=s390;
1592                 ACCESS_UNALIGNED="no"
1593                 JIT_SUPPORTED=yes
1594                 jit_wanted=true
1595                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1596                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1597                 ;;
1598         s390x-*-linux*)
1599                 TARGET=S390x;
1600                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1601                 arch_target=s390x;
1602                 ACCESS_UNALIGNED="no"
1603                 JIT_SUPPORTED=yes
1604                 jit_wanted=true
1605                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1606                 ;;
1607 esac
1608
1609 if test "x$have_visibility_hidden" = "xyes"; then
1610    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1611 fi
1612
1613 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1614         if test x$withval = xyes; then
1615            jit_wanted=true
1616         else
1617            jit_wanted=false
1618         fi
1619 ])
1620
1621 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1622         if test x$withval = xyes; then
1623            interp_wanted=true
1624         else
1625            interp_wanted=false
1626         fi
1627 ])
1628
1629 USEJIT=false
1630 if test x$JIT_SUPPORTED = xyes; then
1631    if $jit_wanted; then
1632       USEJIT=true
1633       jit_status="Building and using the JIT"
1634    else
1635       if $interp_wanted; then
1636          jit_status="Building the JIT, defaulting to the interpreter"
1637       else
1638          AC_ERROR(No JIT or interpreter support available or selected.)
1639       fi
1640    fi
1641 else
1642    if test x$interp_wanted = xtrue; then
1643       jit_status="interpreter"
1644    else
1645       AC_ERROR(No JIT or interpreter support available or selected.)
1646    fi
1647 fi
1648
1649 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1650
1651 libsuffix=".so"
1652
1653 case "$host" in
1654      *-*-darwin*)
1655         libsuffix=".dylib"
1656         LIBC="libc.dylib"
1657         INTL="libintl.dylib"
1658         SQLITE="libsqlite.0.dylib"
1659         SQLITE3="libsqlite3.0.dylib"
1660         X11="libX11.dylib"
1661         ;;
1662      *-*-*netbsd*)
1663         LIBC="libc.so.12"
1664         INTL="libintl.so.0"
1665         ;;
1666     *-*-*freebsd*)
1667         LIBC="libc.so"
1668         INTL="libintl.so"
1669         ;;
1670     *-*-*openbsd*)
1671         LIBC="libc.so"
1672         INTL="libintl.so"
1673         ;;
1674     *-*-*linux*)
1675         AC_PATH_X
1676         AC_MSG_CHECKING(for the soname of libX11.so)
1677         for i in $x_libraries /usr/lib /usr/lib64; do
1678                 for r in 4 5 6; do
1679                         if test -f $i/libX11.so.$r; then
1680                                 X11=libX11.so.$r
1681                                 AC_MSG_RESULT($X11)
1682                         fi
1683                 done
1684         done
1685
1686         if test "x$X11" = "xlibX11.so"; then
1687                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1688         fi
1689         ;;
1690 esac
1691
1692
1693 AC_SUBST(libsuffix)
1694
1695 if test "x$TARGET" != "xAMD64"; then
1696    # valgrind headers don't compile under x86-64
1697    AC_CHECK_HEADERS(valgrind/memcheck.h)
1698 fi
1699
1700 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1701         if test "x$with_tls" = "x__thread"; then
1702                 #
1703                 # On some linux distributions, TLS works in executables, but linking
1704                 # against a shared library containing TLS fails with:
1705                 # undefined reference to `__tls_get_addr'
1706                 #
1707                 rm -f conftest.c conftest.so conftest
1708                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1709                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1710                 $CC -o conftest conftest.so > /dev/null 2>&1
1711                 if test ! -f conftest; then
1712                    AC_MSG_WARN([Disabling usage of __thread.]);
1713                    with_tls=pthread
1714                 fi
1715                 rm -f conftest.c conftest.so conftest
1716         fi
1717 fi
1718
1719 mono_debugger_supported=no
1720 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1721         if test x$use_included_gc = xyes; then
1722                 case "$host" in
1723                 *-*-*linux*)
1724                         mono_debugger_supported=yes
1725                         ;;
1726                 esac
1727         fi
1728 fi
1729
1730 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1731 if test "x$mono_debugger_supported" = "xyes"; then
1732         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1733 fi
1734 AC_MSG_RESULT($mono_debugger_supported)
1735 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1736
1737 if test "x$with_tls" = "x__thread"; then
1738         AC_DEFINE(HAVE_KW_THREAD)
1739         # Pass the information to libgc
1740         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1741         AC_MSG_CHECKING(if the tls_model attribute is supported)
1742         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1743                 ], [
1744                         AC_MSG_RESULT(yes)
1745                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1746                 ], [
1747                         AC_MSG_RESULT(no)
1748         ])
1749 fi
1750
1751 if test ${TARGET} = ARM; then
1752         dnl ******************************************
1753         dnl *** Check to see what FPU is available ***
1754         dnl ******************************************
1755         AC_MSG_CHECKING(which FPU to use)
1756
1757         AC_TRY_COMPILE([], [
1758                 __asm__ ("ldfd f0, [r0]");
1759                 ], fpu=FPA, [
1760                         AC_TRY_COMPILE([], [
1761                                 __asm__ ("fldd d0, [r0]");
1762                         ], fpu=VFP, fpu=NONE)
1763                 ])
1764
1765         AC_MSG_RESULT($fpu)
1766         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1767         unset fpu
1768 fi
1769
1770 if test ${TARGET} = unknown; then
1771         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1772         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1773 fi
1774
1775 if test ${ACCESS_UNALIGNED} = no; then
1776         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1777 fi
1778
1779 PREVIEW=yes
1780 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1781         if test x$with_preview = xno; then
1782               PREVIEW=no
1783         fi
1784 ])
1785
1786 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1787
1788 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1789 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1790 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1791 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1792 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1793 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1794 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1795 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1796 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1797 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1798 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1799 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1800 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1801 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1802
1803 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1804 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1805 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1806
1807 AC_SUBST(LIBC)
1808 AC_SUBST(INTL)
1809 AC_SUBST(SQLITE)
1810 AC_SUBST(SQLITE3)
1811 AC_SUBST(X11)
1812
1813 AC_SUBST(arch_target)
1814 AC_SUBST(CFLAGS)
1815 AC_SUBST(CPPFLAGS)
1816 AC_SUBST(LDFLAGS)
1817
1818 mono_build_root=`pwd`
1819 AC_SUBST(mono_build_root)
1820
1821 if test x$USEJIT = xtrue; then
1822   mono_runtime=mono/mini/mono
1823 else
1824   mono_runtime=mono/interpreter/mint
1825 fi
1826 AC_SUBST(mono_runtime)
1827
1828 mono_cfg_root=$mono_build_root/runtime
1829 if test x$platform_win32 = xyes; then
1830   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1831 else
1832   mono_cfg_dir=$mono_cfg_root/etc
1833 fi
1834 AC_SUBST(mono_cfg_dir)
1835
1836 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1837 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1838 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1839
1840 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1841 [   depth=../../../..
1842     case $srcdir in
1843     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1844     .) reldir=$depth ;;
1845     *) reldir=$depth/$srcdir ;;
1846     esac
1847     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1848     cd runtime/etc/mono/1.0
1849     rm -f machine.config
1850     $LN_S $reldir/data/net_1_1/machine.config machine.config
1851     cd $depth
1852 ],[LN_S='$LN_S'])
1853
1854 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1855 [   depth=../../../..
1856     case $srcdir in
1857     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1858     .) reldir=$depth ;;
1859     *) reldir=$depth/$srcdir ;;
1860     esac
1861     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1862     cd runtime/etc/mono/2.0
1863     rm -f machine.config
1864     $LN_S $reldir/data/net_2_0/machine.config machine.config
1865     cd $depth
1866 ],[LN_S='$LN_S'])
1867
1868 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1869 [   depth=../../../..
1870     case $srcdir in
1871     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1872     .) reldir=$depth ;;
1873     *) reldir=$depth/$srcdir ;;
1874     esac
1875     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1876     cd runtime/etc/mono/2.0
1877     rm -f web.config
1878     $LN_S $reldir/data/net_2_0/web.config web.config
1879     cd $depth
1880 ],[LN_S='$LN_S'])
1881
1882 AC_OUTPUT([
1883 Makefile
1884 mint.pc
1885 mono.pc
1886 mono-cairo.pc
1887 dotnet.pc
1888 mono-uninstalled.pc
1889 scripts/mono-nunit.pc
1890 scripts/mono-find-provides
1891 scripts/mono-find-requires
1892 mono/Makefile
1893 mono/utils/Makefile
1894 mono/metadata/Makefile
1895 mono/dis/Makefile
1896 mono/cil/Makefile
1897 mono/arch/Makefile
1898 mono/os/Makefile
1899 mono/arch/x86/Makefile
1900 mono/arch/amd64/Makefile
1901 mono/arch/hppa/Makefile
1902 mono/arch/ppc/Makefile
1903 mono/arch/sparc/Makefile
1904 mono/arch/s390/Makefile
1905 mono/arch/s390x/Makefile
1906 mono/arch/arm/Makefile
1907 mono/arch/alpha/Makefile
1908 mono/arch/ia64/Makefile
1909 mono/interpreter/Makefile
1910 mono/tests/Makefile
1911 mono/tests/tests-config
1912 mono/tests/cas/Makefile
1913 mono/tests/cas/assembly/Makefile
1914 mono/tests/cas/demand/Makefile
1915 mono/tests/cas/inheritance/Makefile
1916 mono/tests/cas/linkdemand/Makefile
1917 mono/tests/cas/threads/Makefile
1918 mono/benchmark/Makefile
1919 mono/monoburg/Makefile
1920 mono/monograph/Makefile
1921 mono/io-layer/Makefile
1922 mono/mini/Makefile
1923 mono/profiler/Makefile
1924 ikvm-native/Makefile
1925 scripts/Makefile
1926 man/Makefile
1927 web/Makefile
1928 docs/Makefile
1929 data/Makefile
1930 data/net_1_1/Makefile
1931 data/net_2_0/Makefile
1932 samples/Makefile
1933 support/Makefile
1934 data/config
1935 tools/Makefile
1936 tools/locale-builder/Makefile
1937 runtime/Makefile
1938 ])
1939
1940 if test x$platform_win32 = xyes; then
1941    # Get rid of 'cyg' prefixes in library names
1942    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1943    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1944    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1945    # executable doesn't work...
1946    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1947 fi
1948
1949 (
1950   case $prefix in
1951   NONE) prefix=$ac_default_prefix ;;
1952   esac
1953   case $exec_prefix in
1954   NONE) exec_prefix='${prefix}' ;;
1955   esac
1956
1957   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1958
1959   #
1960   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1961   # any existing config.make.  This allows people to share the same source tree
1962   # with different build directories, one native and one cross
1963   #
1964   if test x$cross_compiling = xno; then
1965     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1966     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1967     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1968     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1969     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1970     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1971     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1972
1973     case $INSTALL in
1974     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1975     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
1976     esac
1977
1978     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
1979
1980     export VERSION
1981     [myver=$($AWK 'BEGIN {
1982       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
1983       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
1984     }')]
1985
1986     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
1987   fi
1988 )
1989
1990 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
1991
1992 echo "
1993         mcs source:  $mcs_topdir
1994         GC:          $gc
1995         TLS:         $with_tls
1996         SIGALTSTACK: $with_sigaltstack
1997         Engine:      $jit_status
1998         2.0 Alpha:   $PREVIEW
1999         JNI support: $jdk_headers_found
2000         libgdiplus:  $libgdiplus_msg
2001         $disabled
2002
2003 "
2004 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2005    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2006 fi
2007
2008 if test x$have_zlib = xno; then
2009    AC_MSG_WARN(ZLib devel files not available, compression file support in 2.0 won't work.)
2010 fi
2011
2012 if test x$gc = xsgen; then
2013         echo IMPORTANT:
2014         echo IMPORTANT: You have selected an experimental, work-in-progress
2015         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2016         echo IMPORTANT: and is not yet ready for use.
2017         echo IMPORTANT:
2018         echo IMPORTANT: There are known problems with it, use at your own risk.
2019 fi