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,1.1.16)
  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                 libdl=
  71                 libgc_threads=win32
  72                 gc_default=included
  73                 with_nptl=default
  74                 with_sigaltstack=no
  75                 LN_S=cp
  76                 # This forces libgc to use the DllMain based thread registration code on win32
  77                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  78                 ;;
  79         *-*-*netbsd*)
  80                 platform_win32=no
  81                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  82                 libmono_cflags="-D_REENTRANT"
  83                 LDFLAGS="$LDFLAGS -pthread"
  84                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  85                 libmono_ldflags="-pthread"
  86                 need_link_unlink=yes
  87                 libdl=
  88                 libgc_threads=no
  89                 ;;
  90 # these flags will work for all versions of -STABLE
  91 #
  92         *-*-*freebsd4*)
  93                 platform_win32=no
  94                 if test "x$PTHREAD_CFLAGS" = "x"; then
  95                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  96                         libmono_cflags="-D_THREAD_SAFE"
  97                 else
  98                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
  99                         libmono_cflags="$PTHREAD_CFLAGS"
 100                 fi
 101                 if test "x$PTHREAD_LIBS" = "x"; then
 102                         LDFLAGS="$LDFLAGS -pthread"
 103                         libmono_ldflags="-pthread"
 104                 else
 105                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 106                         libmono_ldflags="$PTHREAD_LIBS"
 107                 fi
 108                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 109                 need_link_unlink=yes
 110                 AC_DEFINE(PTHREAD_POINTER_ID)
 111                 libdl=
 112                 libgc_threads=pthreads
 113 # TLS isn't implemented at all on 4-STABLE
 114                 with_nptl=no
 115                 with_tls=pthread
 116                 ;;
 117         *-*-*freebsd5*)
 118                 platform_win32=no
 119                 if test "x$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_nptl=no
 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 dnl for use on the build system
 394 dnl pkg-config is stupid
 395 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 396 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 397 AC_SUBST(BUILD_GLIB_CFLAGS)
 398 AC_SUBST(BUILD_GLIB_LIBS)
 399
 400 pkg_config_path=
 401 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 402         if test x$with_crosspkgdir = "x"; then
 403                 if test -s $PKG_CONFIG_PATH; then
 404                         pkg_config_path=$PKG_CONFIG_PATH
 405                 fi
 406         else
 407                 pkg_config_path=$with_crosspkgdir
 408                 PKG_CONFIG_PATH=$pkg_config_path
 409                 export PKG_CONFIG_PATH
 410         fi
 411 )
 412
 413 ## Versions of dependencies
 414 GLIB_REQUIRED_VERSION=1.3.11
 415
 416 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 417
 418 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 419 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 420 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 421 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 422
 423 AC_SUBST(GLIB_CFLAGS)
 424 AC_SUBST(GLIB_LIBS)
 425 AC_SUBST(GMODULE_CFLAGS)
 426 AC_SUBST(GMODULE_LIBS)
 427
 428 if test x$cross_compiling$platform_win32 = xnoyes; then
 429    AC_MSG_CHECKING(for cygwin glib2-dev package)
 430    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 431       AC_MSG_RESULT(found)
 432           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 433    else
 434       AC_MSG_RESULT(not found, ok)
 435    fi
 436
 437    AC_MSG_CHECKING(for broken gwin32.h)
 438    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 439    if test -f $glib_include/glib/gwin32.h; then
 440           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 441                  AC_MSG_RESULT(failed)
 442                  hashmark='#'
 443                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 444           fi
 445    fi
 446    AC_MSG_RESULT(ok)
 447 fi
 448
 449 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 450
 451 # Enable support for fast thread-local storage
 452 # Some systems have broken support, so we allow to disable it.
 453 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 454
 455 # Kept for compatibility
 456 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 457
 458 if test "x$with_nptl" != "xdefault"; then
 459    if test "x$with_nptl" = "xyes"; then
 460       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 461           with_tls=__thread
 462    fi
 463    if test "x$with_nptl" = "xno"; then
 464       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 465           with_tls=pthread
 466    fi
 467 fi
 468
 469 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 470 # This does not work on some platforms (bug #55253)
 471 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 472
 473 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 474
 475 if test "x$enable_static" = "xno"; then
 476    with_static_mono=no
 477 fi
 478
 479 if test "x$platform_win32" = "xyes"; then
 480    # Boehm GC requires the runtime to be in its own dll
 481    with_static_mono=no
 482 fi
 483
 484 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 485
 486 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 487 if test "x$with_xen_opt" = "xyes"; then
 488         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 489         ORIG_CFLAGS=$CFLAGS
 490         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 491         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 492         AC_TRY_COMPILE([], [
 493                                            void main () { }
 494         ], [
 495            AC_MSG_RESULT(yes)
 496         ], [
 497            AC_MSG_RESULT(no)
 498            CFLAGS=$ORIG_CFLAGS
 499         ])
 500 fi
 501
 502 DISABLED_FEATURES=none
 503
 504 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 505   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 506   reflection_emit, large_code, logging, com, ssa, generics.],
 507 [
 508         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 509                 eval "mono_feature_disable_$feature='yes'"
 510                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 511         done
 512         DISABLED_FEATURES=$enable_minimal
 513         disabled="Disabled:    $enable_minimal"
 514 ],[])
 515
 516 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 517
 518 if test "x$mono_feature_disable_aot" = "xyes"; then
 519         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 520 fi
 521
 522 if test "x$mono_feature_disable_profiler" = "xyes"; then
 523         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 524 fi
 525
 526 if test "x$mono_feature_disable_decimal" = "xyes"; then
 527         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 528 fi
 529
 530 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 531         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 532 fi
 533
 534 if test "x$mono_feature_disable_debug" = "xyes"; then
 535         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 536 fi
 537
 538 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 539         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 540 fi
 541
 542 if test "x$mono_feature_disable_large_code" = "xyes"; then
 543         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 544 fi
 545
 546 if test "x$mono_feature_disable_logging" = "xyes"; then
 547         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 548 fi
 549
 550 if test "x$mono_feature_disable_com" = "xyes"; then
 551         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 552 fi
 553
 554 if test "x$mono_feature_disable_ssa" = "xyes"; then
 555         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 556 fi
 557
 558 if test "x$mono_feature_disable_generics" = "xyes"; then
 559         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 560 fi
 561
 562 AC_MSG_CHECKING(for visibility __attribute__)
 563 AC_TRY_COMPILE([], [
 564    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 565    void main () { doit (); }
 566 ], [
 567    have_visibility_hidden=yes
 568    AC_MSG_RESULT(yes)
 569 ], [
 570    have_visibility_hidden=no
 571    AC_MSG_RESULT(no)
 572 ])
 573
 574 LIBGC_CFLAGS=
 575 LIBGC_LIBS=
 576 LIBGC_STATIC_LIBS=
 577 libgc_dir=
 578 case "x$gc" in
 579         xboehm|xbohem|xyes)
 580                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 581                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 582
 583                 if test "x$found_boehm" != "xyes"; then
 584                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 585                 fi
 586                 if test "x$gc_headers" != "xyes"; then
 587                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 588                 fi
 589
 590                 AC_DEFINE(HAVE_BOEHM_GC)
 591                 AC_SUBST(HAVE_BOEHM_GC)
 592                 LIBGC_LIBS="-lgc $libdl"
 593                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 594
 595                 # AC_CHECK_FUNCS does not work for some reason...
 596                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 597                 if test "x$found_gcj_malloc" = "xyes"; then
 598                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 599                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 600                 else
 601                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 602                 fi
 603                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 604                 if test "x$found_gc_enable" = "xyes"; then
 605                         AC_DEFINE(HAVE_GC_ENABLE)
 606                 fi
 607                 ;;
 608
 609         xincluded)
 610                 AC_CONFIG_SUBDIRS(libgc)
 611
 612                 # Pass CPPFLAGS to libgc configure
 613                 # Maybe we should use a separate variable for this to avoid passing useless and
 614                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 615                 export CPPFLAGS
 616
 617                 found_boehm=yes
 618                 gc_headers=yes
 619                 use_included_gc=yes
 620                 libgc_dir=libgc
 621
 622                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 623                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 624                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 625
 626                 AC_DEFINE(HAVE_BOEHM_GC)
 627                 AC_SUBST(HAVE_BOEHM_GC)
 628
 629                 AC_DEFINE(HAVE_GC_H)
 630                 AC_DEFINE(USE_INCLUDED_LIBGC)
 631
 632                 # The included libgc contains GCJ support
 633                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 634                 AC_DEFINE(HAVE_GC_ENABLE)
 635                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 636                 ;;
 637
 638         xsgen)
 639                 found_boehm=no
 640                 gc_headers=no
 641                 use_included_gc=no
 642                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 643                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 644                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 645                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 646                 ;;
 647
 648         xnone)
 649                 AC_MSG_WARN("Compiling mono without GC.")
 650                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 651                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 652                 ;;
 653         *)
 654                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 655                 ;;
 656 esac
 657
 658 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 659 if test "x$large_heap" = "xyes"; then
 660    echo "FOO"
 661    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 662 fi
 663
 664 # tell libgc/configure about what we want
 665 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 666
 667 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 668 AC_SUBST(LIBGC_CFLAGS)
 669 AC_SUBST(LIBGC_LIBS)
 670 AC_SUBST(LIBGC_STATIC_LIBS)
 671 AC_SUBST(libgc_dir)
 672
 673 dnl
 674 dnl End of libgc checks
 675 dnl
 676
 677 if test x$platform_win32 = xno; then
 678
 679         dnl ******************************************************************
 680         dnl *** Checks for the IKVM JNI interface library                  ***
 681         dnl ******************************************************************
 682         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 683
 684         ikvm_native_dir=
 685         if test x$with_ikvm_native = xyes; then
 686                 ikvm_native_dir=ikvm-native
 687                 jdk_headers_found="IKVM Native"
 688         fi
 689
 690         AC_SUBST(ikvm_native_dir)
 691
 692         AC_CHECK_HEADERS(execinfo.h)
 693
 694         AC_CHECK_FUNCS(getgrgid_r)
 695         AC_CHECK_FUNCS(getgrnam_r)
 696         AC_CHECK_FUNCS(getpwnam_r)
 697         AC_CHECK_FUNCS(getpwuid_r)
 698         AC_CHECK_FUNCS(getresuid)
 699         AC_CHECK_FUNCS(setresuid)
 700         AC_CHECK_FUNCS(kqueue)
 701         AC_CHECK_FUNCS(backtrace_symbols)
 702
 703         dnl ******************************************************************
 704         dnl *** Check for large file support                               ***
 705         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 706         dnl ******************************************************************
 707
 708         # Check that off_t can represent 2**63 - 1 correctly, working around
 709         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 710         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 711         large_offt=no
 712         AC_DEFUN([LARGE_FILES], [
 713                 large_CPPFLAGS=$CPPFLAGS
 714                 CPPFLAGS="$CPPFLAGS $1"
 715                 AC_TRY_RUN([
 716                         #include <sys/types.h>
 717
 718                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 719
 720                         int main(void) {
 721                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 722                                                (BIG_OFF_T%2147483647==1));
 723                                 if(big_off_t) {
 724                                         exit(0);
 725                                 } else {
 726                                         exit(1);
 727                                 }
 728                         }
 729                 ], [
 730                         AC_MSG_RESULT(ok)
 731                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 732                         large_CPPFLAGS="$large_CPPFLAGS $1"
 733                         large_offt=yes
 734                 ], [
 735                         AC_MSG_RESULT(no)
 736                 ], "")
 737                 CPPFLAGS=$large_CPPFLAGS
 738         ])
 739
 740         AC_MSG_CHECKING(if off_t is 64 bits wide)
 741         LARGE_FILES("")
 742         if test $large_offt = no; then
 743                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 744                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 745         fi
 746         if test $large_offt = no; then
 747                 AC_MSG_WARN([No 64 bit file size support available])
 748         fi
 749
 750         dnl *****************************
 751         dnl *** Checks for libsocket  ***
 752         dnl *****************************
 753         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 754
 755         dnl *******************************
 756         dnl *** Checks for MSG_NOSIGNAL ***
 757         dnl *******************************
 758         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 759         AC_TRY_COMPILE([#include <sys/socket.h>], [
 760                 int f = MSG_NOSIGNAL;
 761         ], [
 762                 # Yes, we have it...
 763                 AC_MSG_RESULT(yes)
 764                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 765         ], [
 766                 # We'll have to use signals
 767                 AC_MSG_RESULT(no)
 768         ])
 769
 770         dnl *****************************
 771         dnl *** Checks for SOL_IP     ***
 772         dnl *****************************
 773         AC_MSG_CHECKING(for SOL_IP)
 774         AC_TRY_COMPILE([#include <netdb.h>], [
 775                 int level = SOL_IP;
 776         ], [
 777                 # Yes, we have it...
 778                 AC_MSG_RESULT(yes)
 779                 AC_DEFINE(HAVE_SOL_IP)
 780         ], [
 781                 # We'll have to use getprotobyname
 782                 AC_MSG_RESULT(no)
 783         ])
 784
 785         dnl *****************************
 786         dnl *** Checks for SOL_IPV6     ***
 787         dnl *****************************
 788         AC_MSG_CHECKING(for SOL_IPV6)
 789         AC_TRY_COMPILE([#include <netdb.h>], [
 790                 int level = SOL_IPV6;
 791         ], [
 792                 # Yes, we have it...
 793                 AC_MSG_RESULT(yes)
 794                 AC_DEFINE(HAVE_SOL_IPV6)
 795         ], [
 796                 # We'll have to use getprotobyname
 797                 AC_MSG_RESULT(no)
 798         ])
 799
 800         dnl *****************************
 801         dnl *** Checks for SOL_TCP    ***
 802         dnl *****************************
 803         AC_MSG_CHECKING(for SOL_TCP)
 804         AC_TRY_COMPILE([#include <netdb.h>], [
 805                 int level = SOL_TCP;
 806         ], [
 807                 # Yes, we have it...
 808                 AC_MSG_RESULT(yes)
 809                 AC_DEFINE(HAVE_SOL_TCP)
 810         ], [
 811                 # We'll have to use getprotobyname
 812                 AC_MSG_RESULT(no)
 813         ])
 814
 815         dnl *****************************
 816         dnl *** Checks for IP_PKTINFO ***
 817         dnl *****************************
 818         AC_MSG_CHECKING(for IP_PKTINFO)
 819         AC_TRY_COMPILE([#include <netdb.h>], [
 820                 int level = IP_PKTINFO;
 821         ], [
 822                 # Yes, we have it...
 823                 AC_MSG_RESULT(yes)
 824                 AC_DEFINE(HAVE_IP_PKTINFO)
 825         ], [
 826                 AC_MSG_RESULT(no)
 827         ])
 828
 829         dnl *****************************
 830     dnl *** Checks for IPV6_PKTINFO ***
 831     dnl *****************************
 832     AC_MSG_CHECKING(for IPV6_PKTINFO)
 833     AC_TRY_COMPILE([#include <netdb.h>], [
 834         int level = IPV6_PKTINFO;
 835     ], [
 836         # Yes, we have it...
 837         AC_MSG_RESULT(yes)
 838         AC_DEFINE(HAVE_IPV6_PKTINFO)
 839     ], [
 840         AC_MSG_RESULT(no)
 841     ])
 842
 843         dnl *********************************
 844         dnl *** Check for struct ip_mreqn ***
 845         dnl *********************************
 846         AC_MSG_CHECKING(for struct ip_mreqn)
 847         AC_TRY_COMPILE([#include <netinet/in.h>], [
 848                 struct ip_mreqn mreq;
 849                 mreq.imr_address.s_addr = 0;
 850         ], [
 851                 # Yes, we have it...
 852                 AC_MSG_RESULT(yes)
 853                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 854         ], [
 855                 # We'll just have to try and use struct ip_mreq
 856                 AC_MSG_RESULT(no)
 857                 AC_MSG_CHECKING(for struct ip_mreq)
 858                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 859                         struct ip_mreq mreq;
 860                         mreq.imr_interface.s_addr = 0;
 861                 ], [
 862                         # Yes, we have it...
 863                         AC_MSG_RESULT(yes)
 864                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 865                 ], [
 866                         # No multicast support
 867                         AC_MSG_RESULT(no)
 868                 ])
 869         ])
 870
 871         dnl **********************************
 872         dnl *** Check for gethostbyname2_r ***
 873         dnl **********************************
 874         AC_MSG_CHECKING(for gethostbyname2_r)
 875                 AC_TRY_LINK([#include <netdb.h>], [
 876                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 877         ], [
 878                 # Yes, we have it...
 879                 AC_MSG_RESULT(yes)
 880                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 881         ], [
 882                 AC_MSG_RESULT(no)
 883         ])
 884
 885         dnl *****************************
 886         dnl *** Checks for libnsl     ***
 887         dnl *****************************
 888         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 889
 890         AC_CHECK_FUNCS(inet_pton inet_aton)
 891
 892         dnl ***********************************************
 893         dnl *** Checks for size of sockaddr_un.sun_path ***
 894         dnl ***********************************************
 895         # AC_CHECK_SIZEOF can't cope with struct members :-(
 896         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 897         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 898                 [AC_TRY_RUN([
 899                         #include <sys/types.h>
 900                         #include <stdio.h>
 901                         #include <sys/un.h>
 902
 903                         int main(void) {
 904                                 struct sockaddr_un sock_un;
 905                                 FILE *f=fopen("conftestval", "w");
 906                                 if(!f) exit(1);
 907                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 908                                 exit(0);
 909                         }
 910                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 911                    cv_mono_sizeof_sunpath=0,
 912                    cv_mono_sizeof_sunpath=0)])dnl
 913         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 914         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 915
 916         dnl *************************************
 917         dnl *** Checks for zero length arrays ***
 918         dnl *************************************
 919         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 920         AC_TRY_COMPILE([
 921                 struct s {
 922                         int  length;
 923                         char data [0];
 924                 };
 925         ], [], [
 926                 AC_MSG_RESULT(yes)
 927                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 928         ], [
 929                 AC_MSG_RESULT(no)
 930                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 931         ])
 932
 933         dnl *****************************
 934         dnl *** Checks for libxnet    ***
 935         dnl *****************************
 936         case "${host}" in
 937                 *solaris* )
 938                         AC_MSG_CHECKING(for Solaris XPG4 support)
 939                         if test -f /usr/lib/libxnet.so; then
 940                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 941                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 942                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 943                                 LIBS="$LIBS -lxnet"
 944                                 AC_MSG_RESULT(yes)
 945                         else
 946                                 AC_MSG_RESULT(no)
 947                         fi
 948
 949                         if test "$GCC" = "yes"; then
 950                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 951                         fi
 952                 ;;
 953         esac
 954
 955         dnl *****************************
 956         dnl *** Checks for libpthread ***
 957         dnl *****************************
 958 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 959 # and libpthread does not exist
 960 #
 961         case "${host}" in
 962                 *-*-*freebsd4*)
 963                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 964                 ;;
 965                 *-*-*freebsd5*)
 966                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 967                 ;;
 968                 *-*-*freebsd6*)
 969                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 970                 ;;
 971                 *)
 972                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 973                 ;;
 974         esac
 975         AC_CHECK_HEADERS(pthread.h)
 976         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 977         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 978         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 979         AC_TRY_COMPILE([ #include <pthread.h>], [
 980                 pthread_mutexattr_t attr;
 981                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 982         ], [
 983                 AC_MSG_RESULT(ok)
 984         ], [
 985                 AC_MSG_RESULT(no)
 986                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 987                 AC_DEFINE(USE_MONO_MUTEX)
 988         ])
 989         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 990         AC_CHECK_FUNCS(pthread_attr_getstack)
 991         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 992
 993         dnl ***********************************
 994         dnl *** Checks for working __thread ***
 995         dnl ***********************************
 996         AC_MSG_CHECKING(for working __thread)
 997         if test "x$with_tls" != "x__thread"; then
 998                 AC_MSG_RESULT(disabled)
 999         else
1000                 AC_TRY_RUN([
1001                         #include <pthread.h>
1002                         __thread int i;
1003                         static int res1, res2;
1004
1005                         void thread_main (void *arg)
1006                         {
1007                                 i = arg;
1008                                 sleep (1);
1009                                 if (arg == 1)
1010                                         res1 = (i == arg);
1011                                 else
1012                                         res2 = (i == arg);
1013                         }
1014
1015                         int main () {
1016                                 pthread_t t1, t2;
1017
1018                                 i = 5;
1019
1020                                 pthread_create (&t1, NULL, thread_main, 1);
1021                                 pthread_create (&t2, NULL, thread_main, 2);
1022
1023                                 pthread_join (t1, NULL);
1024                                 pthread_join (t2, NULL);
1025
1026                                 return !(res1 + res2 == 2);
1027                         }
1028                 ], [
1029                                 AC_MSG_RESULT(yes)
1030                 ], [
1031                                 AC_MSG_RESULT(no)
1032                                 with_tls=pthread
1033                 ])
1034         fi
1035
1036         dnl **************************************
1037         dnl *** Checks for working sigaltstack ***
1038         dnl **************************************
1039         AC_MSG_CHECKING(for working sigaltstack)
1040         if test "x$with_sigaltstack" != "xyes"; then
1041                 AC_MSG_RESULT(disabled)
1042         else
1043                 AC_TRY_RUN([
1044                         #include <stdio.h>
1045                         #include <stdlib.h>
1046                         #include <unistd.h>
1047                         #include <signal.h>
1048                         #include <pthread.h>
1049                         #include <sys/wait.h>
1050                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1051                         #define SA_STACK SA_ONSTACK
1052                         #endif
1053                         static void
1054                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1055                         {
1056                                 exit (0);
1057                         }
1058
1059                         static void *
1060                         loop (void *ignored)
1061                         {
1062                                 char *ptr = NULL;
1063
1064                                 *ptr = 0;
1065                                 return NULL;
1066                         }
1067
1068                         static void
1069                         child ()
1070                         {
1071                                 struct sigaction sa;
1072                                 struct sigaltstack sas;
1073                                 pthread_t id;
1074                                 pthread_attr_t attr;
1075
1076                                 sa.sa_sigaction = sigsegv_signal_handler;
1077                                 sigemptyset (&sa.sa_mask);
1078                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1079                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1080                                         perror ("sigaction");
1081                                         return;
1082                                 }
1083
1084                                 sas.ss_sp = malloc (SIGSTKSZ);
1085                                 sas.ss_size = SIGSTKSZ;
1086                                 sas.ss_flags = 0;
1087                                 if (sigaltstack (&sas, NULL) == -1) {
1088                                         perror ("sigaltstack");
1089                                         return;
1090                                 }
1091
1092                                 pthread_attr_init (&attr);
1093                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1094                                         printf ("pthread_create\n");
1095                                         return;
1096                                 }
1097
1098                                 sleep (100);
1099                         }
1100
1101                         int
1102                         main ()
1103                         {
1104                                 pid_t son;
1105                                 int status;
1106                                 int i;
1107
1108                                 son = fork ();
1109                                 if (son == -1) {
1110                                         return 1;
1111                                 }
1112
1113                                 if (son == 0) {
1114                                         child ();
1115                                         return 0;
1116                                 }
1117
1118                                 for (i = 0; i < 3; ++i) {
1119                                         sleep (1);
1120                                         waitpid (son, &status, WNOHANG);
1121                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1122                                                 return 0;
1123                                 }
1124
1125                                 kill (son, SIGKILL);
1126                                 return 1;
1127                         }
1128
1129                 ], [
1130                                 AC_MSG_RESULT(yes)
1131                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1132                 ], [
1133                                 with_sigaltstack=no
1134                                 AC_MSG_RESULT(no)
1135                 ])
1136         fi
1137
1138         dnl ********************************
1139         dnl *** Checks for semaphore lib ***
1140         dnl ********************************
1141         # 'Real Time' functions on Solaris
1142         # posix4 on Solaris 2.6
1143         # pthread (first!) on Linux
1144         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1145
1146         dnl ********************************
1147         dnl *** Checks for timezone stuff **
1148         dnl ********************************
1149         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1150                 AC_TRY_COMPILE([
1151                         #include <time.h>
1152                         ], [
1153                         struct tm tm;
1154                         tm.tm_gmtoff = 1;
1155                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1156         if test $ac_cv_struct_tm_gmtoff = yes; then
1157                 AC_DEFINE(HAVE_TM_GMTOFF)
1158         else
1159                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1160                         AC_TRY_COMPILE([
1161                                 #include <time.h>
1162                         ], [
1163                                 timezone = 1;
1164                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1165                 if test $ac_cv_var_timezone = yes; then
1166                         AC_DEFINE(HAVE_TIMEZONE)
1167                 else
1168                         AC_ERROR(unable to find a way to determine timezone)
1169                 fi
1170         fi
1171
1172         dnl *********************************
1173         dnl *** Checks for math functions ***
1174         dnl *********************************
1175         LIBS="$LIBS -lm";
1176         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1177                 AC_TRY_LINK([#include <math.h>],
1178                 [ finite(0.0); ],
1179                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1180                 AC_MSG_RESULT(no)))
1181         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1182                 AC_TRY_LINK([#include <math.h>],
1183                 [ isfinite(0.0); ],
1184                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1185                 AC_MSG_RESULT(no)))
1186
1187         dnl ****************************************************************
1188         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1189         dnl *** have it in the library (duh))                            ***
1190         dnl ****************************************************************
1191         AC_CHECK_FUNCS(poll)
1192
1193         dnl *************************
1194         dnl *** Check for signbit ***
1195         dnl *************************
1196         AC_MSG_CHECKING(for signbit)
1197         AC_TRY_LINK([#include <math.h>], [
1198                 int s = signbit(1.0);
1199         ], [
1200                 AC_MSG_RESULT(yes)
1201                 AC_DEFINE(HAVE_SIGNBIT)
1202         ], [
1203                 AC_MSG_RESULT(no)
1204         ])
1205
1206         dnl **********************************
1207         dnl *** epoll                      ***
1208         dnl **********************************
1209         AC_CHECK_HEADERS(sys/epoll.h)
1210         haveepoll=no
1211         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1212         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1213                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1214         fi
1215
1216         dnl ******************************
1217         dnl *** Checks for SIOCGIFCONF ***
1218         dnl ******************************
1219         AC_CHECK_HEADERS(sys/ioctl.h)
1220         AC_CHECK_HEADERS(net/if.h)
1221         AC_MSG_CHECKING(for ifreq)
1222         AC_TRY_COMPILE([
1223                 #include <sys/ioctl.h>
1224                 #include <net/if.h>
1225                 ], [
1226                 struct ifconf ifc;
1227                 struct ifreq *ifr;
1228                 void *x;
1229                 ifc.ifc_len = 0;
1230                 ifc.ifc_buf = NULL;
1231                 x = (void *) &ifr->ifr_addr;
1232                 ],[
1233                         AC_MSG_RESULT(yes)
1234                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1235                 ], [
1236                         AC_MSG_RESULT(no)
1237                 ])
1238         dnl **********************************
1239         dnl *** Checks for MonoPosixHelper ***
1240         dnl **********************************
1241         AC_CHECK_FUNC(setkey, ,
1242                 AC_CHECK_LIB(crypt, setkey, [
1243                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1244                         CRYPT_LIBS="-lcrypt"
1245                 ])
1246         )
1247         AC_SUBST(CRYPT_LIBS)
1248         AC_CHECK_HEADERS(checklist.h)
1249         AC_CHECK_HEADERS(fstab.h)
1250         AC_CHECK_HEADERS(attr/xattr.h)
1251         AC_CHECK_HEADERS(sys/extattr.h)
1252         AC_CHECK_HEADERS(sys/sendfile.h)
1253         AC_CHECK_HEADERS(sys/statvfs.h)
1254         AC_CHECK_HEADERS(sys/vfstab.h)
1255         AC_CHECK_HEADERS(sys/xattr.h)
1256         AC_CHECK_HEADERS(sys/mman.h)
1257         AC_CHECK_FUNCS(getdomainname)
1258         AC_CHECK_FUNCS(setdomainname)
1259         AC_CHECK_FUNCS(fgetgrent)
1260         AC_CHECK_FUNCS(fgetpwent)
1261         AC_CHECK_FUNCS(fgetpwent)
1262         AC_CHECK_FUNCS(getfsstat)
1263         AC_CHECK_FUNCS(lutimes)
1264         AC_CHECK_FUNCS(mremap)
1265         AC_CHECK_FUNCS(remap_file_pages)
1266         AC_CHECK_FUNCS(posix_fadvise)
1267         AC_CHECK_FUNCS(posix_fallocate)
1268         AC_CHECK_FUNCS(posix_madvise)
1269         AC_CHECK_FUNCS(vsnprintf)
1270         AC_CHECK_FUNCS(sendfile)
1271         AC_CHECK_FUNCS(sethostid)
1272         AC_CHECK_FUNCS(statfs)
1273         AC_CHECK_FUNCS(fstatfs)
1274         AC_CHECK_FUNCS(statvfs)
1275         AC_CHECK_FUNCS(fstatvfs)
1276         AC_CHECK_FUNCS(stime)
1277         AC_CHECK_FUNCS(strerror_r)
1278         AC_CHECK_FUNCS(ttyname_r)
1279         AC_CHECK_SIZEOF(size_t)
1280         AC_CHECK_MEMBERS(
1281                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1282                 [#include <sys/types.h>
1283                  #include <dirent.h>])
1284
1285         dnl Favour xattr through glibc, but use libattr if we have to
1286         AC_CHECK_FUNC(lsetxattr, ,
1287                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1288         )
1289         AC_SUBST(XATTR_LIB)
1290
1291         dnl *********************************
1292         dnl *** Check for Console 2.0 I/O ***
1293         dnl *********************************
1294         AC_CHECK_HEADERS([curses.h])
1295         AC_CHECK_HEADERS([term.h], [], [],
1296         [#if HAVE_CURSES_H
1297          #include <curses.h>
1298          #endif
1299         ])
1300         AC_CHECK_HEADERS([termios.h])
1301
1302         dnl * This is provided in io-layer, but on windows it's only available
1303         dnl * on xp+
1304         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1305 else
1306         jdk_headers_found=no
1307         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1308         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1309         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1310         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1311
1312         dnl *********************************
1313         dnl *** Check for struct ip_mreqn ***
1314         dnl *********************************
1315         AC_MSG_CHECKING(for struct ip_mreqn)
1316         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1317                 struct ip_mreqn mreq;
1318                 mreq.imr_address.s_addr = 0;
1319         ], [
1320                 # Yes, we have it...
1321                 AC_MSG_RESULT(yes)
1322                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1323         ], [
1324                 # We'll just have to try and use struct ip_mreq
1325                 AC_MSG_RESULT(no)
1326                 AC_MSG_CHECKING(for struct ip_mreq)
1327                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1328                         struct ip_mreq mreq;
1329                         mreq.imr_interface.s_addr = 0;
1330                 ], [
1331                         # Yes, we have it...
1332                         AC_MSG_RESULT(yes)
1333                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1334                 ], [
1335                         # No multicast support
1336                         AC_MSG_RESULT(no)
1337                 ])
1338         ])
1339         AC_CHECK_FUNCS(GetProcessId)
1340 fi
1341
1342 dnl socklen_t check
1343 AC_MSG_CHECKING(for socklen_t)
1344 AC_TRY_COMPILE([
1345 #include <sys/types.h>
1346 #include <sys/socket.h>
1347 ],[
1348   socklen_t foo;
1349 ],[
1350 ac_cv_c_socklen_t=yes
1351         AC_DEFINE(HAVE_SOCKLEN_T)
1352         AC_MSG_RESULT(yes)
1353 ],[
1354         AC_MSG_RESULT(no)
1355 ])
1356
1357 AC_MSG_CHECKING(for array element initalizer support)
1358 AC_TRY_COMPILE([#include <sys/socket.h>], [
1359         const int array[] = {[1] = 2,};
1360 ], [
1361         # Yes, we have it...
1362         AC_MSG_RESULT(yes)
1363         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1364 ], [
1365         # We'll have to use signals
1366         AC_MSG_RESULT(no)
1367 ])
1368
1369 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1370         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1371         AC_TRY_LINK([#include <math.h>],
1372         [ static void *p = &trunc; ],
1373         [
1374                 AC_DEFINE(HAVE_TRUNC)
1375                 AC_MSG_RESULT(yes)
1376                 ac_cv_trunc=yes
1377         ],
1378         AC_MSG_RESULT(no)))
1379
1380 if test "x$ac_cv_truncl" != "xyes"; then
1381    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1382 fi
1383
1384 dnl ****************************
1385 dnl *** Look for /dev/random ***
1386 dnl ****************************
1387
1388 AC_MSG_CHECKING([if usage of random device is requested])
1389 AC_ARG_ENABLE(dev-random,
1390 [  --disable-dev-random    disable the use of the random device],
1391 try_dev_random=$enableval, try_dev_random=yes)
1392 AC_MSG_RESULT($try_dev_random)
1393
1394 case "{$target}" in
1395     *-openbsd*)
1396     NAME_DEV_RANDOM="/dev/srandom"
1397     ;;
1398
1399 dnl Win32 does not have /dev/random, they have their own method...
1400
1401     *-*-mingw*|*-*-cygwin*)
1402     ac_cv_have_dev_random=no
1403     ;;
1404
1405 dnl Everywhere else, it's /dev/random
1406
1407     *)
1408     NAME_DEV_RANDOM="/dev/random"
1409     ;;
1410 esac
1411
1412 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1413
1414 dnl Now check if the device actually exists
1415
1416 if test "x$try_dev_random" = "xyes"; then
1417     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1418     [if test -r "$NAME_DEV_RANDOM" ; then
1419         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1420     if test "x$ac_cv_have_dev_random" = "xyes"; then
1421         AC_DEFINE(HAVE_CRYPT_RNG)
1422     fi
1423 else
1424     AC_MSG_CHECKING(for random device)
1425     ac_cv_have_dev_random=no
1426     AC_MSG_RESULT(has been disabled)
1427 fi
1428
1429 if test "x$platform_win32" = "xyes"; then
1430     AC_DEFINE(HAVE_CRYPT_RNG)
1431 fi
1432
1433 if test "x$ac_cv_have_dev_random" = "xno" \
1434     && test "x$platform_win32" = "xno"; then
1435     AC_MSG_WARN([[
1436 ***
1437 *** A system-provided entropy source was not found on this system.
1438 *** Because of this, the System.Security.Cryptography random number generator
1439 *** will throw a NotImplemented exception.
1440 ***
1441 *** If you are seeing this message, and you know your system DOES have an
1442 *** entropy collection in place, please contact <crichton@gimp.org> and
1443 *** provide information about the system and how to access the random device.
1444 ***
1445 *** Otherwise you can install either egd or prngd and set the environment
1446 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1447 ***]])
1448 fi
1449
1450 AC_MSG_CHECKING([if inter-process shared handles are requested])
1451 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1452 AC_MSG_RESULT($try_shared_handles)
1453 if test "x$try_shared_handles" != "xyes"; then
1454         AC_DEFINE(DISABLE_SHARED_HANDLES)
1455         AC_SUBST(DISABLE_SHARED_HANDLES)
1456 fi
1457
1458 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1459 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1460
1461 TARGET="unknown"
1462 ACCESS_UNALIGNED="yes"
1463
1464 JIT_SUPPORTED=no
1465 INTERP_SUPPORTED=no
1466 LIBC="libc.so.6"
1467 INTL="libc.so.6"
1468 SQLITE="libsqlite.so.0"
1469 SQLITE3="libsqlite3.so.0"
1470 X11="libX11.so"
1471
1472 jit_wanted=false
1473 interp_wanted=false
1474 case "$host" in
1475 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1476 #               TARGET=MIPS;
1477 #               ACCESS_UNALIGNED="no"
1478 #               ;;
1479         i*86-*-*)
1480                 TARGET=X86;
1481                 arch_target=x86;
1482                 JIT_SUPPORTED=yes
1483                 jit_wanted=true
1484                 case $host_os in
1485                   solaris*)
1486                         LIBC="libc.so"
1487                         INTL="libintl.so"
1488
1489                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1490                         # int astruct __attribute__ ((visibility ("hidden")));
1491                         # void foo ()
1492                         # {
1493                         #       void *p = &astruct;
1494                         # }
1495                         # gcc -fPIC --shared -o libfoo.so foo.c
1496                         # yields:
1497                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1498                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1499                         have_visibility_hidden=no
1500
1501                         libmono_ldflags="$libmono_ldflags $LIBS"
1502                 esac
1503                 ;;
1504         x86_64-*-* | amd64-*-*)
1505                 TARGET=AMD64;
1506                 arch_target=amd64;
1507                 JIT_SUPPORTED=yes
1508                 jit_wanted=true
1509                 ;;
1510         ia64-*-*)
1511                 TARGET=IA64
1512                 arch_target=ia64
1513                 ACCESS_UNALIGNED="no"
1514                 JIT_SUPPORTED=yes
1515                 jit_wanted=true
1516                 LIBC="libc.so.6.1"
1517                 INTL="libc.so.6.1"
1518                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1519                 libmono_ldflags="-lunwind"
1520                 ;;
1521         sparc*-*-*)
1522                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1523                    TARGET=SPARC64
1524                 else
1525                         TARGET=SPARC
1526                 fi
1527                 arch_target=sparc;
1528                 JIT_SUPPORTED=yes
1529                 ACCESS_UNALIGNED="no"
1530                 case $host_os in
1531                   linux*) ;;
1532                   *)
1533                         LIBC="libc.so"
1534                         INTL="libintl.so"
1535                         libmono_ldflags="$libmono_ldflags $LIBS"
1536                 esac
1537                 jit_wanted=true
1538                 if test x"$GCC" = xyes; then
1539                         # We don't support v8 cpus
1540                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1541                 fi
1542                 if test x"$AR" = xfalse; then
1543                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1544                 fi
1545                 ;;
1546        alpha*-*-linux* | alpha*-*-osf*)
1547                 TARGET=ALPHA;
1548                 ACCESS_UNALIGNED="no"
1549                 JIT_SUPPORTED=yes
1550                 jit_wanted=true
1551                 arch_target=alpha;
1552                 case $host_os in
1553                   linux*)
1554                         LIBC="libc.so.6.1"
1555                         INTL="libc.so.6.1"
1556                 esac
1557                ;;
1558         *-*-mingw*|*-*-cygwin*)
1559                 INTL="intl"
1560                 ;;
1561         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1562                 TARGET=HPPA;
1563                 arch_target=hppa;
1564                 LIBC="libc.sl"
1565                 ACCESS_UNALIGNED="no"
1566                 INTERP_SUPPORTED=yes
1567                 interp_wanted=true
1568                 ;;
1569         hppa*linux*)
1570                 TARGET=HPPA;
1571                 arch_target=hppa;
1572                 ACCESS_UNALIGNED="no"
1573                 INTERP_SUPPORTED=yes
1574                 interp_wanted=true
1575                 ;;
1576         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1577         powerpc-*-sysv* | powerpc-*-darwin*)
1578                 TARGET=POWERPC;
1579                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1580                 arch_target=ppc;
1581                 JIT_SUPPORTED=yes
1582                 jit_wanted=true
1583                 ;;
1584         arm*-linux*)
1585                 TARGET=ARM;
1586                 arch_target=arm;
1587                 ACCESS_UNALIGNED="no"
1588                 JIT_SUPPORTED=yes
1589                 jit_wanted=true
1590                 ;;
1591         s390-*-linux*)
1592                 TARGET=S390;
1593                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1594                 arch_target=s390;
1595                 ACCESS_UNALIGNED="no"
1596                 JIT_SUPPORTED=yes
1597                 jit_wanted=true
1598                 ;;
1599         s390x-*-linux*)
1600                 TARGET=S390x;
1601                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1602                 arch_target=s390x;
1603                 ACCESS_UNALIGNED="no"
1604                 JIT_SUPPORTED=yes
1605                 jit_wanted=true
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         $disabled
2002
2003 "
2004 if test x$gc = xsgen; then
2005         echo IMPORTANT:
2006         echo IMPORTANT: You have selected an experimental, work-in-progress
2007         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2008         echo IMPORTANT: and is not yet ready for use.
2009         echo IMPORTANT:
2010         echo IMPORTANT: There are known problems with it, use at your own risk.
2011 fi