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,1.1.13)
  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                 ;;
 207         *-*-darwin*)
 208                 platform_win32=no
 209                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX"
 210                 libmono_cflags="-D_THREAD_SAFE"
 211                 LDFLAGS="$LDFLAGS -pthread"
 212                 libmono_ldflags="-pthread"
 213                 need_link_unlink=yes
 214                 AC_DEFINE(PTHREAD_POINTER_ID)
 215                 AC_DEFINE(USE_MACH_SEMA)
 216                 no_version_script=yes
 217                 libdl=
 218                 libgc_threads=pthreads
 219                 ;;
 220         *)
 221                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 222                 platform_win32=no
 223                 libdl="-ldl"
 224                 ;;
 225 esac
 226 AC_MSG_RESULT(ok)
 227
 228 if test x$need_link_unlink = xyes; then
 229    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 230 fi
 231
 232 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 233
 234 AC_CHECK_TOOL(CC, gcc, gcc)
 235 AC_PROG_CC
 236 AM_PROG_CC_STDC
 237 AC_PROG_INSTALL
 238 AC_PROG_AWK
 239 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 240 : ${CCAS='$(CC)'}
 241 # Set ASFLAGS if not already set.
 242 : ${CCASFLAGS='$(CFLAGS)'}
 243 AC_SUBST(CCAS)
 244 AC_SUBST(CCASFLAGS)
 245
 246 AC_CHECK_PROG(BISON, bison,yes,no)
 247 if test "x$BISON" = "xno";
 248 then
 249         AC_MSG_ERROR([You need to install bison])
 250 fi
 251
 252 dnl may require a specific autoconf version
 253 dnl AC_PROG_CC_FOR_BUILD
 254 dnl CC_FOR_BUILD not automatically detected
 255 CC_FOR_BUILD=$CC
 256 CFLAGS_FOR_BUILD=$CFLAGS
 257 BUILD_EXEEXT=
 258 if test "x$cross_compiling" = "xyes"; then
 259         CC_FOR_BUILD=cc
 260         CFLAGS_FOR_BUILD=
 261         BUILD_EXEEXT=""
 262 fi
 263 AC_SUBST(CC_FOR_BUILD)
 264 AC_SUBST(CFLAGS_FOR_BUILD)
 265 AC_SUBST(HOST_CC)
 266 AC_SUBST(BUILD_EXEEXT)
 267
 268 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 269
 270 # Set STDC_HEADERS
 271 AC_HEADER_STDC
 272 AC_LIBTOOL_WIN32_DLL
 273 # This causes monodis to not link correctly
 274 #AC_DISABLE_FAST_INSTALL
 275 AM_PROG_LIBTOOL
 276
 277 # Test whenever ld supports -version-script
 278 AC_PROG_LD
 279 AC_PROG_LD_GNU
 280 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 281    no_version_script=yes
 282 fi
 283
 284 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 285
 286 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
 287
 288 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 289
 290 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 291
 292 # for mono/metadata/debug-symfile.c
 293 AC_CHECK_HEADERS(elf.h)
 294
 295 # for support
 296 AC_CHECK_HEADERS(poll.h)
 297 AC_CHECK_HEADERS(sys/poll.h)
 298 AC_CHECK_HEADERS(sys/wait.h)
 299 AC_CHECK_HEADERS(grp.h)
 300 AC_CHECK_HEADERS(syslog.h)
 301
 302 # for mono/dis
 303 AC_CHECK_HEADERS(wchar.h)
 304 case "$host" in
 305         *-*-*freebsd6*)
 306                 AC_CHECK_HEADERS(ieeefp.h)
 307         ;;
 308         *-*-*freebsd*)
 309                 /* Only freebsd6 has a working ieeefp.h */
 310         ;;
 311         *)
 312                 AC_CHECK_HEADERS(ieeefp.h)
 313         ;;
 314 esac
 315 AC_MSG_CHECKING(for isinf)
 316 AC_TRY_LINK([#include <math.h>], [
 317         int f = isinf (1);
 318 ], [
 319         AC_MSG_RESULT(yes)
 320         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 321 ], [
 322         # We'll have to use signals
 323         AC_MSG_RESULT(no)
 324 ])
 325
 326
 327 # not 64 bit clean in cross-compile
 328 AC_CHECK_SIZEOF(void *, 4)
 329
 330 WARN=''
 331 if test x"$GCC" = xyes; then
 332         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 333                 # The runtime code does not respect ANSI C strict aliasing rules
 334                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 335
 336                 ORIG_CFLAGS=$CFLAGS
 337                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 338                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 339                 AC_TRY_COMPILE([], [
 340                                                    void main () { }
 341                 ], [
 342                    AC_MSG_RESULT(yes)
 343                 ], [
 344                    AC_MSG_RESULT(no)
 345                    CFLAGS=$ORIG_CFLAGS
 346                 ])
 347 else
 348         # The Sun Forte compiler complains about inline functions that access static variables
 349         # so disable all inlining.
 350         case "$host" in
 351         *-*-solaris*)
 352                 CFLAGS="$CFLAGS -Dinline="
 353                 ;;
 354         esac
 355 fi
 356 CFLAGS="$CFLAGS -g $WARN"
 357
 358 # Where's the 'mcs' source tree?
 359 if test -d $srcdir/mcs; then
 360   mcsdir=mcs
 361 else
 362   mcsdir=../mcs
 363 fi
 364
 365 mcs_topdir='$(top_srcdir)/'$mcsdir
 366 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 367
 368 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 369 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno])
 370
 371 AC_SUBST([mcs_topdir])
 372 AC_SUBST([mcs_topdir_from_srcdir])
 373
 374 AC_ARG_WITH([libgdiplus],
 375         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 376         [], [with_libgdiplus=installed])
 377
 378 case $with_libgdiplus in
 379 no|installed) libgdiplus_loc= ;;
 380 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 381 /*) libgdiplus_loc=$with_libgdiplus ;;
 382 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 383 esac
 384 AC_SUBST([libgdiplus_loc])
 385
 386 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 387 if test "x$PKG_CONFIG" = "xno"; then
 388         AC_MSG_ERROR([You need to install pkg-config])
 389 fi
 390
 391 dnl for use on the build system
 392 dnl pkg-config is stupid
 393 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 394 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 395 AC_SUBST(BUILD_GLIB_CFLAGS)
 396 AC_SUBST(BUILD_GLIB_LIBS)
 397
 398 pkg_config_path=
 399 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 400         if test x$with_crosspkgdir = "x"; then
 401                 if test -s $PKG_CONFIG_PATH; then
 402                         pkg_config_path=$PKG_CONFIG_PATH
 403                 fi
 404         else
 405                 pkg_config_path=$with_crosspkgdir
 406                 PKG_CONFIG_PATH=$pkg_config_path
 407                 export PKG_CONFIG_PATH
 408         fi
 409 )
 410
 411 ## Versions of dependencies
 412 GLIB_REQUIRED_VERSION=1.3.11
 413
 414 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 415
 416 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 417 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 418 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 419 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 420
 421 AC_SUBST(GLIB_CFLAGS)
 422 AC_SUBST(GLIB_LIBS)
 423 AC_SUBST(GMODULE_CFLAGS)
 424 AC_SUBST(GMODULE_LIBS)
 425
 426 if test x$cross_compiling$platform_win32 = xnoyes; then
 427    AC_MSG_CHECKING(for cygwin glib2-dev package)
 428    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 429       AC_MSG_RESULT(found)
 430           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 431    else
 432       AC_MSG_RESULT(not found, ok)
 433    fi
 434
 435    AC_MSG_CHECKING(for broken gwin32.h)
 436    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 437    if test -f $glib_include/glib/gwin32.h; then
 438           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 439                  AC_MSG_RESULT(failed)
 440                  hashmark='#'
 441                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 442           fi
 443    fi
 444    AC_MSG_RESULT(ok)
 445 fi
 446
 447 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 448
 449 # Enable support for fast thread-local storage
 450 # Some systems have broken support, so we allow to disable it.
 451 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 452
 453 # Kept for compatibility
 454 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 455
 456 if test "x$with_nptl" != "xdefault"; then
 457    if test "x$with_nptl" = "xyes"; then
 458       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 459           with_tls=__thread
 460    fi
 461    if test "x$with_nptl" = "xno"; then
 462       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 463           with_tls=pthread
 464    fi
 465 fi
 466
 467 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 468 # This does not work on some platforms (bug #55253)
 469 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 470
 471 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 472
 473 if test "x$enable_static" = "xno"; then
 474    with_static_mono=no
 475 fi
 476
 477 if test "x$platform_win32" = "xyes"; then
 478    # Boehm GC requires the runtime to be in its own dll
 479    with_static_mono=no
 480 fi
 481
 482 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 483
 484 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 485 if test "x$with_xen_opt" = "xyes"; then
 486         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 487         ORIG_CFLAGS=$CFLAGS
 488         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 489         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 490         AC_TRY_COMPILE([], [
 491                                            void main () { }
 492         ], [
 493            AC_MSG_RESULT(yes)
 494         ], [
 495            AC_MSG_RESULT(no)
 496            CFLAGS=$ORIG_CFLAGS
 497         ])
 498 fi
 499
 500 DISABLED_FEATURES=none
 501
 502 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 503   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 504   reflection_emit, large_code, logging, com, ssa, generics.],
 505 [
 506         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 507                 eval "mono_feature_disable_$feature='yes'"
 508                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 509         done
 510         DISABLED_FEATURES=$enable_minimal
 511         disabled="Disabled:    $enable_minimal"
 512 ],[])
 513
 514 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 515
 516 if test "x$mono_feature_disable_aot" = "xyes"; then
 517         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 518 fi
 519
 520 if test "x$mono_feature_disable_profiler" = "xyes"; then
 521         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 522 fi
 523
 524 if test "x$mono_feature_disable_decimal" = "xyes"; then
 525         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 526 fi
 527
 528 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 529         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 530 fi
 531
 532 if test "x$mono_feature_disable_debug" = "xyes"; then
 533         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 534 fi
 535
 536 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 537         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 538 fi
 539
 540 if test "x$mono_feature_disable_large_code" = "xyes"; then
 541         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 542 fi
 543
 544 if test "x$mono_feature_disable_logging" = "xyes"; then
 545         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 546 fi
 547
 548 if test "x$mono_feature_disable_com" = "xyes"; then
 549         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 550 fi
 551
 552 if test "x$mono_feature_disable_ssa" = "xyes"; then
 553         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 554 fi
 555
 556 if test "x$mono_feature_disable_generics" = "xyes"; then
 557         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 558 fi
 559
 560 AC_MSG_CHECKING(for visibility __attribute__)
 561 AC_TRY_COMPILE([], [
 562    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 563    void main () { doit (); }
 564 ], [
 565    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
 566    AC_MSG_RESULT(yes)
 567 ], [
 568    AC_MSG_RESULT(no)
 569 ])
 570
 571 LIBGC_CFLAGS=
 572 LIBGC_LIBS=
 573 LIBGC_STATIC_LIBS=
 574 libgc_dir=
 575 case "x$gc" in
 576         xboehm|xbohem|xyes)
 577                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 578                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 579
 580                 if test "x$found_boehm" != "xyes"; then
 581                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 582                 fi
 583                 if test "x$gc_headers" != "xyes"; then
 584                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 585                 fi
 586
 587                 AC_DEFINE(HAVE_BOEHM_GC)
 588                 AC_SUBST(HAVE_BOEHM_GC)
 589                 LIBGC_LIBS="-lgc $libdl"
 590                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 591
 592                 # AC_CHECK_FUNCS does not work for some reason...
 593                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 594                 if test "x$found_gcj_malloc" = "xyes"; then
 595                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 596                 fi
 597                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 598                 if test "x$found_gc_enable" = "xyes"; then
 599                         AC_DEFINE(HAVE_GC_ENABLE)
 600                 fi
 601                 ;;
 602
 603         xincluded)
 604                 AC_CONFIG_SUBDIRS(libgc)
 605
 606                 found_boehm=yes
 607                 gc_headers=yes
 608                 use_included_gc=yes
 609                 libgc_dir=libgc
 610
 611                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 612                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 613                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 614
 615                 AC_DEFINE(HAVE_BOEHM_GC)
 616                 AC_SUBST(HAVE_BOEHM_GC)
 617
 618                 AC_DEFINE(HAVE_GC_H)
 619                 AC_DEFINE(USE_INCLUDED_LIBGC)
 620
 621                 # The included libgc contains GCJ support
 622                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 623                 AC_DEFINE(HAVE_GC_ENABLE)
 624                 ;;
 625
 626         xnone)
 627                 AC_MSG_WARN("Compiling mono without GC.")
 628                 ;;
 629         *)
 630                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 631                 ;;
 632 esac
 633
 634 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 635 if test "x$large_heap" = "xyes"; then
 636    echo "FOO"
 637    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 638 fi
 639
 640 # tell libgc/configure about what we want
 641 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 642
 643 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 644 AC_SUBST(LIBGC_CFLAGS)
 645 AC_SUBST(LIBGC_LIBS)
 646 AC_SUBST(LIBGC_STATIC_LIBS)
 647 AC_SUBST(libgc_dir)
 648
 649 dnl
 650 dnl End of libgc checks
 651 dnl
 652
 653 if test x$platform_win32 = xno; then
 654
 655         dnl ******************************************************************
 656         dnl *** Checks for the IKVM JNI interface library                  ***
 657         dnl ******************************************************************
 658         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 659
 660         ikvm_native_dir=
 661         if test x$with_ikvm_native = xyes; then
 662                 ikvm_native_dir=ikvm-native
 663                 jdk_headers_found="IKVM Native"
 664         fi
 665
 666         AC_SUBST(ikvm_native_dir)
 667
 668         AC_CHECK_HEADERS(execinfo.h)
 669
 670         AC_CHECK_FUNCS(getgrgid_r)
 671         AC_CHECK_FUNCS(getgrnam_r)
 672         AC_CHECK_FUNCS(getpwnam_r)
 673         AC_CHECK_FUNCS(getpwuid_r)
 674         AC_CHECK_FUNCS(getresuid)
 675         AC_CHECK_FUNCS(setresuid)
 676         AC_CHECK_FUNCS(kqueue)
 677         AC_CHECK_FUNCS(backtrace_symbols)
 678
 679         dnl ******************************************************************
 680         dnl *** Check for large file support                               ***
 681         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 682         dnl ******************************************************************
 683
 684         # Check that off_t can represent 2**63 - 1 correctly, working around
 685         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 686         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 687         large_offt=no
 688         AC_DEFUN([LARGE_FILES], [
 689                 large_CPPFLAGS=$CPPFLAGS
 690                 CPPFLAGS="$CPPFLAGS $1"
 691                 AC_TRY_RUN([
 692                         #include <sys/types.h>
 693
 694                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 695
 696                         int main(void) {
 697                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 698                                                (BIG_OFF_T%2147483647==1));
 699                                 if(big_off_t) {
 700                                         exit(0);
 701                                 } else {
 702                                         exit(1);
 703                                 }
 704                         }
 705                 ], [
 706                         AC_MSG_RESULT(ok)
 707                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 708                         large_CPPFLAGS="$large_CPPFLAGS $1"
 709                         large_offt=yes
 710                 ], [
 711                         AC_MSG_RESULT(no)
 712                 ], "")
 713                 CPPFLAGS=$large_CPPFLAGS
 714         ])
 715
 716         AC_MSG_CHECKING(if off_t is 64 bits wide)
 717         LARGE_FILES("")
 718         if test $large_offt = no; then
 719                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 720                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 721         fi
 722         if test $large_offt = no; then
 723                 AC_MSG_WARN([No 64 bit file size support available])
 724         fi
 725
 726         dnl *****************************
 727         dnl *** Checks for libsocket  ***
 728         dnl *****************************
 729         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 730
 731         dnl *******************************
 732         dnl *** Checks for MSG_NOSIGNAL ***
 733         dnl *******************************
 734         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 735         AC_TRY_COMPILE([#include <sys/socket.h>], [
 736                 int f = MSG_NOSIGNAL;
 737         ], [
 738                 # Yes, we have it...
 739                 AC_MSG_RESULT(yes)
 740                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 741         ], [
 742                 # We'll have to use signals
 743                 AC_MSG_RESULT(no)
 744         ])
 745
 746         dnl *****************************
 747         dnl *** Checks for SOL_IP     ***
 748         dnl *****************************
 749         AC_MSG_CHECKING(for SOL_IP)
 750         AC_TRY_COMPILE([#include <netdb.h>], [
 751                 int level = SOL_IP;
 752         ], [
 753                 # Yes, we have it...
 754                 AC_MSG_RESULT(yes)
 755                 AC_DEFINE(HAVE_SOL_IP)
 756         ], [
 757                 # We'll have to use getprotobyname
 758                 AC_MSG_RESULT(no)
 759         ])
 760
 761         dnl *****************************
 762         dnl *** Checks for SOL_IPV6     ***
 763         dnl *****************************
 764         AC_MSG_CHECKING(for SOL_IPV6)
 765         AC_TRY_COMPILE([#include <netdb.h>], [
 766                 int level = SOL_IPV6;
 767         ], [
 768                 # Yes, we have it...
 769                 AC_MSG_RESULT(yes)
 770                 AC_DEFINE(HAVE_SOL_IPV6)
 771         ], [
 772                 # We'll have to use getprotobyname
 773                 AC_MSG_RESULT(no)
 774         ])
 775
 776         dnl *****************************
 777         dnl *** Checks for SOL_TCP    ***
 778         dnl *****************************
 779         AC_MSG_CHECKING(for SOL_TCP)
 780         AC_TRY_COMPILE([#include <netdb.h>], [
 781                 int level = SOL_TCP;
 782         ], [
 783                 # Yes, we have it...
 784                 AC_MSG_RESULT(yes)
 785                 AC_DEFINE(HAVE_SOL_TCP)
 786         ], [
 787                 # We'll have to use getprotobyname
 788                 AC_MSG_RESULT(no)
 789         ])
 790
 791         dnl *****************************
 792         dnl *** Checks for IP_PKTINFO ***
 793         dnl *****************************
 794         AC_MSG_CHECKING(for IP_PKTINFO)
 795         AC_TRY_COMPILE([#include <netdb.h>], [
 796                 int level = IP_PKTINFO;
 797         ], [
 798                 # Yes, we have it...
 799                 AC_MSG_RESULT(yes)
 800                 AC_DEFINE(HAVE_IP_PKTINFO)
 801         ], [
 802                 AC_MSG_RESULT(no)
 803         ])
 804
 805         dnl *****************************
 806     dnl *** Checks for IPV6_PKTINFO ***
 807     dnl *****************************
 808     AC_MSG_CHECKING(for IPV6_PKTINFO)
 809     AC_TRY_COMPILE([#include <netdb.h>], [
 810         int level = IPV6_PKTINFO;
 811     ], [
 812         # Yes, we have it...
 813         AC_MSG_RESULT(yes)
 814         AC_DEFINE(HAVE_IPV6_PKTINFO)
 815     ], [
 816         AC_MSG_RESULT(no)
 817     ])
 818
 819         dnl *********************************
 820         dnl *** Check for struct ip_mreqn ***
 821         dnl *********************************
 822         AC_MSG_CHECKING(for struct ip_mreqn)
 823         AC_TRY_COMPILE([#include <netinet/in.h>], [
 824                 struct ip_mreqn mreq;
 825                 mreq.imr_address.s_addr = 0;
 826         ], [
 827                 # Yes, we have it...
 828                 AC_MSG_RESULT(yes)
 829                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 830         ], [
 831                 # We'll just have to try and use struct ip_mreq
 832                 AC_MSG_RESULT(no)
 833                 AC_MSG_CHECKING(for struct ip_mreq)
 834                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 835                         struct ip_mreq mreq;
 836                         mreq.imr_interface.s_addr = 0;
 837                 ], [
 838                         # Yes, we have it...
 839                         AC_MSG_RESULT(yes)
 840                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 841                 ], [
 842                         # No multicast support
 843                         AC_MSG_RESULT(no)
 844                 ])
 845         ])
 846
 847         dnl **********************************
 848         dnl *** Check for gethostbyname2_r ***
 849         dnl **********************************
 850         AC_MSG_CHECKING(for gethostbyname2_r)
 851                 AC_TRY_LINK([#include <netdb.h>], [
 852                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 853         ], [
 854                 # Yes, we have it...
 855                 AC_MSG_RESULT(yes)
 856                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 857         ], [
 858                 AC_MSG_RESULT(no)
 859         ])
 860
 861         dnl *****************************
 862         dnl *** Checks for libnsl     ***
 863         dnl *****************************
 864         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 865
 866         AC_CHECK_FUNCS(inet_pton inet_aton)
 867
 868         dnl ***********************************************
 869         dnl *** Checks for size of sockaddr_un.sun_path ***
 870         dnl ***********************************************
 871         # AC_CHECK_SIZEOF can't cope with struct members :-(
 872         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 873         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 874                 [AC_TRY_RUN([
 875                         #include <sys/types.h>
 876                         #include <stdio.h>
 877                         #include <sys/un.h>
 878
 879                         int main(void) {
 880                                 struct sockaddr_un sock_un;
 881                                 FILE *f=fopen("conftestval", "w");
 882                                 if(!f) exit(1);
 883                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 884                                 exit(0);
 885                         }
 886                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 887                    cv_mono_sizeof_sunpath=0,
 888                    cv_mono_sizeof_sunpath=0)])dnl
 889         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 890         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 891
 892         dnl *************************************
 893         dnl *** Checks for zero length arrays ***
 894         dnl *************************************
 895         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 896         AC_TRY_COMPILE([
 897                 struct s {
 898                         int  length;
 899                         char data [0];
 900                 };
 901         ], [], [
 902                 AC_MSG_RESULT(yes)
 903                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 904         ], [
 905                 AC_MSG_RESULT(no)
 906                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 907         ])
 908
 909         dnl *****************************
 910         dnl *** Checks for libxnet    ***
 911         dnl *****************************
 912         case "${host}" in
 913                 *solaris* )
 914                         AC_MSG_CHECKING(for Solaris XPG4 support)
 915                         if test -f /usr/lib/libxnet.so; then
 916                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 917                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 918                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 919                                 LIBS="$LIBS -lxnet"
 920                                 AC_MSG_RESULT(yes)
 921                         else
 922                                 AC_MSG_RESULT(no)
 923                         fi
 924
 925                         if test "$GCC" = "yes"; then
 926                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 927                         fi
 928                 ;;
 929         esac
 930
 931         dnl *****************************
 932         dnl *** Checks for libpthread ***
 933         dnl *****************************
 934 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 935 # and libpthread does not exist
 936 #
 937         case "${host}" in
 938                 *-*-*freebsd4*)
 939                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 940                 ;;
 941                 *-*-*freebsd5*)
 942                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 943                 ;;
 944                 *-*-*freebsd6*)
 945                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 946                 ;;
 947                 *)
 948                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 949                 ;;
 950         esac
 951         AC_CHECK_HEADERS(pthread.h)
 952         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 953         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 954         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 955         AC_TRY_COMPILE([ #include <pthread.h>], [
 956                 pthread_mutexattr_t attr;
 957                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 958         ], [
 959                 AC_MSG_RESULT(ok)
 960         ], [
 961                 AC_MSG_RESULT(no)
 962                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 963                 AC_DEFINE(USE_MONO_MUTEX)
 964         ])
 965         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 966         AC_CHECK_FUNCS(pthread_attr_getstack)
 967         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
 968
 969         dnl ***********************************
 970         dnl *** Checks for working __thread ***
 971         dnl ***********************************
 972         AC_MSG_CHECKING(for working __thread)
 973         if test "x$with_tls" != "x__thread"; then
 974                 AC_MSG_RESULT(disabled)
 975         else
 976                 AC_TRY_RUN([
 977                         #include <pthread.h>
 978                         __thread int i;
 979                         static int res1, res2;
 980
 981                         void thread_main (void *arg)
 982                         {
 983                                 i = arg;
 984                                 sleep (1);
 985                                 if (arg == 1)
 986                                         res1 = (i == arg);
 987                                 else
 988                                         res2 = (i == arg);
 989                         }
 990
 991                         int main () {
 992                                 pthread_t t1, t2;
 993
 994                                 i = 5;
 995
 996                                 pthread_create (&t1, NULL, thread_main, 1);
 997                                 pthread_create (&t2, NULL, thread_main, 2);
 998
 999                                 pthread_join (t1, NULL);
1000                                 pthread_join (t2, NULL);
1001
1002                                 return !(res1 + res2 == 2);
1003                         }
1004                 ], [
1005                                 AC_MSG_RESULT(yes)
1006                 ], [
1007                                 AC_MSG_RESULT(no)
1008                                 with_tls=pthread
1009                 ])
1010         fi
1011
1012         dnl **************************************
1013         dnl *** Checks for working sigaltstack ***
1014         dnl **************************************
1015         AC_MSG_CHECKING(for working sigaltstack)
1016         if test "x$with_sigaltstack" != "xyes"; then
1017                 AC_MSG_RESULT(disabled)
1018         else
1019                 AC_TRY_RUN([
1020                         #include <stdio.h>
1021                         #include <stdlib.h>
1022                         #include <unistd.h>
1023                         #include <signal.h>
1024                         #include <pthread.h>
1025                         #include <sys/wait.h>
1026                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1027                         #define SA_STACK SA_ONSTACK
1028                         #endif
1029                         static void
1030                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1031                         {
1032                                 exit (0);
1033                         }
1034
1035                         static void *
1036                         loop (void *ignored)
1037                         {
1038                                 char *ptr = NULL;
1039
1040                                 *ptr = 0;
1041                                 return NULL;
1042                         }
1043
1044                         static void
1045                         child ()
1046                         {
1047                                 struct sigaction sa;
1048                                 struct sigaltstack sas;
1049                                 pthread_t id;
1050                                 pthread_attr_t attr;
1051
1052                                 sa.sa_sigaction = sigsegv_signal_handler;
1053                                 sigemptyset (&sa.sa_mask);
1054                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1055                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1056                                         perror ("sigaction");
1057                                         return;
1058                                 }
1059
1060                                 sas.ss_sp = malloc (SIGSTKSZ);
1061                                 sas.ss_size = SIGSTKSZ;
1062                                 sas.ss_flags = 0;
1063                                 if (sigaltstack (&sas, NULL) == -1) {
1064                                         perror ("sigaltstack");
1065                                         return;
1066                                 }
1067
1068                                 pthread_attr_init (&attr);
1069                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1070                                         printf ("pthread_create\n");
1071                                         return;
1072                                 }
1073
1074                                 sleep (100);
1075                         }
1076
1077                         int
1078                         main ()
1079                         {
1080                                 pid_t son;
1081                                 int status;
1082                                 int i;
1083
1084                                 son = fork ();
1085                                 if (son == -1) {
1086                                         return 1;
1087                                 }
1088
1089                                 if (son == 0) {
1090                                         child ();
1091                                         return 0;
1092                                 }
1093
1094                                 for (i = 0; i < 3; ++i) {
1095                                         sleep (1);
1096                                         waitpid (son, &status, WNOHANG);
1097                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1098                                                 return 0;
1099                                 }
1100
1101                                 kill (son, SIGKILL);
1102                                 return 1;
1103                         }
1104
1105                 ], [
1106                                 AC_MSG_RESULT(yes)
1107                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1108                 ], [
1109                                 with_sigaltstack=no
1110                                 AC_MSG_RESULT(no)
1111                 ])
1112         fi
1113
1114         dnl ********************************
1115         dnl *** Checks for semaphore lib ***
1116         dnl ********************************
1117         # 'Real Time' functions on Solaris
1118         # posix4 on Solaris 2.6
1119         # pthread (first!) on Linux
1120         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1121
1122         dnl ********************************
1123         dnl *** Checks for timezone stuff **
1124         dnl ********************************
1125         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1126                 AC_TRY_COMPILE([
1127                         #include <time.h>
1128                         ], [
1129                         struct tm tm;
1130                         tm.tm_gmtoff = 1;
1131                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1132         if test $ac_cv_struct_tm_gmtoff = yes; then
1133                 AC_DEFINE(HAVE_TM_GMTOFF)
1134         else
1135                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1136                         AC_TRY_COMPILE([
1137                                 #include <time.h>
1138                         ], [
1139                                 timezone = 1;
1140                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1141                 if test $ac_cv_var_timezone = yes; then
1142                         AC_DEFINE(HAVE_TIMEZONE)
1143                 else
1144                         AC_ERROR(unable to find a way to determine timezone)
1145                 fi
1146         fi
1147
1148         dnl *********************************
1149         dnl *** Checks for math functions ***
1150         dnl *********************************
1151         LIBS="$LIBS -lm";
1152         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1153                 AC_TRY_LINK([#include <math.h>],
1154                 [ finite(0.0); ],
1155                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1156                 AC_MSG_RESULT(no)))
1157         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1158                 AC_TRY_LINK([#include <math.h>],
1159                 [ isfinite(0.0); ],
1160                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1161                 AC_MSG_RESULT(no)))
1162
1163         dnl ****************************************************************
1164         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1165         dnl *** have it in the library (duh))                            ***
1166         dnl ****************************************************************
1167         AC_CHECK_FUNCS(poll)
1168
1169         dnl *************************
1170         dnl *** Check for signbit ***
1171         dnl *************************
1172         AC_MSG_CHECKING(for signbit)
1173         AC_TRY_LINK([#include <math.h>], [
1174                 int s = signbit(1.0);
1175         ], [
1176                 AC_MSG_RESULT(yes)
1177                 AC_DEFINE(HAVE_SIGNBIT)
1178         ], [
1179                 AC_MSG_RESULT(no)
1180         ])
1181
1182         dnl *********************
1183         dnl *** Check for AIO ***
1184         dnl *********************
1185         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1186         dnl Some systems (FreeBSD at least) may have aio_read
1187         dnl but don't support/define SIGEV_THREAD.
1188         AC_TRY_COMPILE([
1189         #include <sys/signal.h>
1190         ],[
1191         int x = SIGEV_THREAD;
1192         ],[
1193                 ac_cv_c_sigev_thread=yes
1194                 AC_MSG_RESULT(yes)
1195         ],[
1196                 AC_MSG_RESULT(no)
1197         ])
1198
1199         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1200                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1201                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1202                 SIGVAL_PTR="undefined"
1203                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1204                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1205                                         #include <sys/signal.h>
1206                                         ])
1207                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1208                                         #include <sys/signal.h>
1209                                         ])
1210                         if test "$SIGVAL_PTR" = "undefined" ; then
1211                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1212                         fi
1213                 fi
1214                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1215         fi
1216
1217         dnl **********************************
1218         dnl *** epoll                      ***
1219         dnl **********************************
1220         AC_CHECK_HEADERS(sys/epoll.h)
1221         haveepoll=no
1222         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1223         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1224                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1225         fi
1226
1227         dnl ******************************
1228         dnl *** Checks for SIOCGIFCONF ***
1229         dnl ******************************
1230         AC_CHECK_HEADERS(sys/ioctl.h)
1231         AC_CHECK_HEADERS(net/if.h)
1232         AC_MSG_CHECKING(for ifreq)
1233         AC_TRY_COMPILE([
1234                 #include <sys/ioctl.h>
1235                 #include <net/if.h>
1236                 ], [
1237                 struct ifconf ifc;
1238                 struct ifreq *ifr;
1239                 void *x;
1240                 ifc.ifc_len = 0;
1241                 ifc.ifc_buf = NULL;
1242                 x = (void *) &ifr->ifr_addr;
1243                 ],[
1244                         AC_MSG_RESULT(yes)
1245                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1246                 ], [
1247                         AC_MSG_RESULT(no)
1248                 ])
1249         dnl **********************************
1250         dnl *** Checks for MonoPosixHelper ***
1251         dnl **********************************
1252         AC_CHECK_FUNC(setkey, ,
1253                 AC_CHECK_LIB(crypt, setkey, [
1254                         AC_DEFINE(HAVE_SETKEY, 1, [Define if setkey(3) is available])
1255                         CRYPT_LIBS="-lcrypt"
1256                 ])
1257         )
1258         AC_SUBST(CRYPT_LIBS)
1259         AC_CHECK_HEADERS(checklist.h)
1260         AC_CHECK_HEADERS(fstab.h)
1261         AC_CHECK_HEADERS(attr/xattr.h)
1262         AC_CHECK_HEADERS(sys/extattr.h)
1263         AC_CHECK_HEADERS(sys/sendfile.h)
1264         AC_CHECK_HEADERS(sys/statvfs.h)
1265         AC_CHECK_HEADERS(sys/vfstab.h)
1266         AC_CHECK_HEADERS(sys/xattr.h)
1267         AC_CHECK_HEADERS(sys/mman.h)
1268         AC_CHECK_FUNCS(getdomainname)
1269         AC_CHECK_FUNCS(setdomainname)
1270         AC_CHECK_FUNCS(fgetgrent)
1271         AC_CHECK_FUNCS(fgetpwent)
1272         AC_CHECK_FUNCS(fgetpwent)
1273         AC_CHECK_FUNCS(getfsstat)
1274         AC_CHECK_FUNCS(lutimes)
1275         AC_CHECK_FUNCS(mremap)
1276         AC_CHECK_FUNCS(remap_file_pages)
1277         AC_CHECK_FUNCS(posix_fadvise)
1278         AC_CHECK_FUNCS(posix_fallocate)
1279         AC_CHECK_FUNCS(posix_madvise)
1280         AC_CHECK_FUNCS(vsnprintf)
1281         AC_CHECK_FUNCS(sendfile)
1282         AC_CHECK_FUNCS(sethostid)
1283         AC_CHECK_FUNCS(statfs)
1284         AC_CHECK_FUNCS(fstatfs)
1285         AC_CHECK_FUNCS(statvfs)
1286         AC_CHECK_FUNCS(fstatvfs)
1287         AC_CHECK_FUNCS(stime)
1288         AC_CHECK_FUNCS(strerror_r)
1289         AC_CHECK_FUNCS(ttyname_r)
1290         AC_CHECK_SIZEOF(size_t)
1291         AC_CHECK_MEMBERS(
1292                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1293                 [#include <sys/types.h>
1294                  #include <dirent.h>])
1295
1296         dnl Favour xattr through glibc, but use libattr if we have to
1297         AC_CHECK_FUNC(lsetxattr, ,
1298                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1299         )
1300         AC_SUBST(XATTR_LIB)
1301
1302         dnl *********************************
1303         dnl *** Check for Console 2.0 I/O ***
1304         dnl *********************************
1305         AC_CHECK_HEADERS([curses.h])
1306         AC_CHECK_HEADERS([term.h], [], [],
1307         [#if HAVE_CURSES_H
1308          #include <curses.h>
1309          #endif
1310         ])
1311         AC_CHECK_HEADERS([termios.h])
1312
1313         dnl * This is provided in io-layer, but on windows it's only available
1314         dnl * on xp+
1315         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1316 else
1317         jdk_headers_found=no
1318         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1319         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1320         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1321
1322         dnl *********************************
1323         dnl *** Check for struct ip_mreqn ***
1324         dnl *********************************
1325         AC_MSG_CHECKING(for struct ip_mreqn)
1326         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1327                 struct ip_mreqn mreq;
1328                 mreq.imr_address.s_addr = 0;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1333         ], [
1334                 # We'll just have to try and use struct ip_mreq
1335                 AC_MSG_RESULT(no)
1336                 AC_MSG_CHECKING(for struct ip_mreq)
1337                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1338                         struct ip_mreq mreq;
1339                         mreq.imr_interface.s_addr = 0;
1340                 ], [
1341                         # Yes, we have it...
1342                         AC_MSG_RESULT(yes)
1343                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1344                 ], [
1345                         # No multicast support
1346                         AC_MSG_RESULT(no)
1347                 ])
1348         ])
1349         AC_CHECK_FUNCS(GetProcessId)
1350 fi
1351
1352 dnl socklen_t check
1353 AC_MSG_CHECKING(for socklen_t)
1354 AC_TRY_COMPILE([
1355 #include <sys/types.h>
1356 #include <sys/socket.h>
1357 ],[
1358   socklen_t foo;
1359 ],[
1360 ac_cv_c_socklen_t=yes
1361         AC_DEFINE(HAVE_SOCKLEN_T)
1362         AC_MSG_RESULT(yes)
1363 ],[
1364         AC_MSG_RESULT(no)
1365 ])
1366
1367 AC_MSG_CHECKING(for array element initalizer support)
1368 AC_TRY_COMPILE([#include <sys/socket.h>], [
1369         const int array[] = {[1] = 2,};
1370 ], [
1371         # Yes, we have it...
1372         AC_MSG_RESULT(yes)
1373         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1374 ], [
1375         # We'll have to use signals
1376         AC_MSG_RESULT(no)
1377 ])
1378
1379 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1380         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1381         AC_TRY_LINK([#include <math.h>],
1382         [ static void *p = &trunc; ],
1383         [
1384                 AC_DEFINE(HAVE_TRUNC)
1385                 AC_MSG_RESULT(yes)
1386                 ac_cv_trunc=yes
1387         ],
1388         AC_MSG_RESULT(no)))
1389
1390 if test "x$ac_cv_truncl" != "xyes"; then
1391    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1392 fi
1393
1394 dnl ****************************
1395 dnl *** Look for /dev/random ***
1396 dnl ****************************
1397
1398 AC_MSG_CHECKING([if usage of random device is requested])
1399 AC_ARG_ENABLE(dev-random,
1400 [  --disable-dev-random    disable the use of the random device],
1401 try_dev_random=$enableval, try_dev_random=yes)
1402 AC_MSG_RESULT($try_dev_random)
1403
1404 case "{$target}" in
1405     *-openbsd*)
1406     NAME_DEV_RANDOM="/dev/srandom"
1407     ;;
1408
1409 dnl Win32 does not have /dev/random, they have their own method...
1410
1411     *-*-mingw*|*-*-cygwin*)
1412     ac_cv_have_dev_random=no
1413     ;;
1414
1415 dnl Everywhere else, it's /dev/random
1416
1417     *)
1418     NAME_DEV_RANDOM="/dev/random"
1419     ;;
1420 esac
1421
1422 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1423
1424 dnl Now check if the device actually exists
1425
1426 if test "x$try_dev_random" = "xyes"; then
1427     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1428     [if test -r "$NAME_DEV_RANDOM" ; then
1429         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1430     if test "x$ac_cv_have_dev_random" = "xyes"; then
1431         AC_DEFINE(HAVE_CRYPT_RNG)
1432     fi
1433 else
1434     AC_MSG_CHECKING(for random device)
1435     ac_cv_have_dev_random=no
1436     AC_MSG_RESULT(has been disabled)
1437 fi
1438
1439 if test "x$platform_win32" = "xyes"; then
1440     AC_DEFINE(HAVE_CRYPT_RNG)
1441 fi
1442
1443 if test "x$ac_cv_have_dev_random" = "xno" \
1444     && test "x$platform_win32" = "xno"; then
1445     AC_MSG_WARN([[
1446 ***
1447 *** A system-provided entropy source was not found on this system.
1448 *** Because of this, the System.Security.Cryptography random number generator
1449 *** will throw a NotImplemented exception.
1450 ***
1451 *** If you are seeing this message, and you know your system DOES have an
1452 *** entropy collection in place, please contact <crichton@gimp.org> and
1453 *** provide information about the system and how to access the random device.
1454 ***
1455 *** Otherwise you can install either egd or prngd and set the environment
1456 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1457 ***]])
1458 fi
1459
1460 AC_MSG_CHECKING([if inter-process shared handles are requested])
1461 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1462 AC_MSG_RESULT($try_shared_handles)
1463 if test "x$try_shared_handles" != "xyes"; then
1464         AC_DEFINE(DISABLE_SHARED_HANDLES)
1465         AC_SUBST(DISABLE_SHARED_HANDLES)
1466 fi
1467
1468 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1469 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1470
1471 TARGET="unknown"
1472 ACCESS_UNALIGNED="yes"
1473
1474 JIT_SUPPORTED=no
1475 INTERP_SUPPORTED=no
1476 LIBC="libc.so.6"
1477 INTL="libc.so.6"
1478 SQLITE="libsqlite.so.0"
1479 SQLITE3="libsqlite3.so.0"
1480 X11="libX11.so"
1481
1482 jit_wanted=false
1483 interp_wanted=false
1484 case "$host" in
1485 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1486 #               TARGET=MIPS;
1487 #               ACCESS_UNALIGNED="no"
1488 #               ;;
1489         i*86-*-*)
1490                 TARGET=X86;
1491                 arch_target=x86;
1492                 JIT_SUPPORTED=yes
1493                 jit_wanted=true
1494                 case $host_os in
1495                   solaris*)
1496                         LIBC="libc.so"
1497                         INTL="libintl.so"
1498                 esac
1499                 ;;
1500         x86_64-*-* | amd64-*-*)
1501                 TARGET=AMD64;
1502                 arch_target=amd64;
1503                 JIT_SUPPORTED=yes
1504                 jit_wanted=true
1505                 ;;
1506         ia64-*-*)
1507                 TARGET=IA64
1508                 arch_target=ia64
1509                 ACCESS_UNALIGNED="no"
1510                 JIT_SUPPORTED=yes
1511                 jit_wanted=true
1512                 LIBC="libc.so.6.1"
1513                 INTL="libc.so.6.1"
1514                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1515                 libmono_ldflags="-lunwind"
1516                 ;;
1517         sparc*-*-*)
1518                 if test "x$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 $host_os in
1527                   linux*) ;;
1528                   *)
1529                         LIBC="libc.so"
1530                         INTL="libintl.so"
1531                 esac
1532                 jit_wanted=true
1533                 if test x"$GCC" = xyes; then
1534                         CFLAGS="$CFLAGS -Wno-cast-align"
1535                 fi
1536                 ;;
1537        alpha*-*-linux* | alpha*-*-osf*)
1538                 TARGET=ALPHA;
1539                 ACCESS_UNALIGNED="no"
1540                 JIT_SUPPORTED=no
1541                 INTERP_SUPPORTED=yes
1542                 interp_wanted=true
1543                 arch_target=alpha;
1544                 case $host_os in
1545                   linux*)
1546                         LIBC="libc.so.6.1"
1547                         INTL="libc.so.6.1"
1548                 esac
1549                ;;
1550         *-*-mingw*|*-*-cygwin*)
1551                 INTL="intl"
1552                 ;;
1553         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1554                 TARGET=HPPA;
1555                 arch_target=hppa;
1556                 LIBC="libc.sl"
1557                 ACCESS_UNALIGNED="no"
1558                 INTERP_SUPPORTED=yes
1559                 interp_wanted=true
1560                 ;;
1561         hppa*linux*)
1562                 TARGET=HPPA;
1563                 arch_target=hppa;
1564                 ACCESS_UNALIGNED="no"
1565                 INTERP_SUPPORTED=yes
1566                 interp_wanted=true
1567                 ;;
1568         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1569         powerpc-*-sysv* | powerpc-*-darwin*)
1570                 TARGET=POWERPC;
1571                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1572                 arch_target=ppc;
1573                 JIT_SUPPORTED=yes
1574                 jit_wanted=true
1575                 ;;
1576         arm*-linux*)
1577                 TARGET=ARM;
1578                 arch_target=arm;
1579                 ACCESS_UNALIGNED="no"
1580                 JIT_SUPPORTED=yes
1581                 jit_wanted=true
1582                 ;;
1583         s390-*-linux*)
1584                 TARGET=S390;
1585                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1586                 arch_target=s390;
1587                 ACCESS_UNALIGNED="no"
1588                 JIT_SUPPORTED=yes
1589                 jit_wanted=true
1590                 ;;
1591         s390x-*-linux*)
1592                 TARGET=S390x;
1593                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1594                 arch_target=s390x;
1595                 ACCESS_UNALIGNED="no"
1596                 JIT_SUPPORTED=yes
1597                 jit_wanted=true
1598                 ;;
1599 esac
1600
1601 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1602         if test x$withval = xyes; then
1603            jit_wanted=true
1604         else
1605            jit_wanted=false
1606         fi
1607 ])
1608
1609 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1610         if test x$withval = xyes; then
1611            interp_wanted=true
1612         else
1613            interp_wanted=false
1614         fi
1615 ])
1616
1617 USEJIT=false
1618 if test x$JIT_SUPPORTED = xyes; then
1619    if $jit_wanted; then
1620       USEJIT=true
1621       jit_status="Building and using the JIT"
1622    else
1623       if $interp_wanted; then
1624          jit_status="Building the JIT, defaulting to the interpreter"
1625       else
1626          AC_ERROR(No JIT or interpreter support available or selected.)
1627       fi
1628    fi
1629 else
1630    if test x$interp_wanted = xtrue; then
1631       jit_status="interpreter"
1632    else
1633       AC_ERROR(No JIT or interpreter support available or selected.)
1634    fi
1635 fi
1636
1637 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1638
1639 libsuffix=".so"
1640
1641 case "$host" in
1642      *-*-darwin*)
1643         libsuffix=".dylib"
1644         LIBC="libc.dylib"
1645         INTL="libintl.dylib"
1646         SQLITE="libsqlite.0.dylib"
1647         SQLITE3="libsqlite3.0.dylib"
1648         X11="libX11.dylib"
1649         ;;
1650      *-*-*netbsd*)
1651         LIBC="libc.so.12"
1652         INTL="libintl.so.0"
1653         ;;
1654     *-*-*freebsd*)
1655         LIBC="libc.so"
1656         INTL="libintl.so"
1657         ;;
1658     *-*-*openbsd*)
1659         LIBC="libc.so"
1660         INTL="libintl.so"
1661         ;;
1662     *-*-*linux*)
1663         AC_PATH_X
1664         AC_MSG_CHECKING(for the soname of libX11.so)
1665         for i in $x_libraries /usr/lib /usr/lib64; do
1666                 for r in 4 5 6; do
1667                         if test -f $i/libX11.so.$r; then
1668                                 X11=libX11.so.$r
1669                                 AC_MSG_RESULT($X11)
1670                         fi
1671                 done
1672         done
1673
1674         if test "x$X11" = "xlibX11.so"; then
1675                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1676         fi
1677         ;;
1678 esac
1679
1680
1681 AC_SUBST(libsuffix)
1682
1683 if test "x$TARGET" != "xAMD64"; then
1684    # valgrind headers don't compile under x86-64
1685    AC_CHECK_HEADERS(valgrind/memcheck.h)
1686 fi
1687
1688 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1689         if test "x$with_tls" = "x__thread"; then
1690                 #
1691                 # On some linux distributions, TLS works in executables, but linking
1692                 # against a shared library containing TLS fails with:
1693                 # undefined reference to `__tls_get_addr'
1694                 #
1695                 rm -f conftest.c conftest.so conftest
1696                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1697                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1698                 $CC -o conftest conftest.so > /dev/null 2>&1
1699                 if test ! -f conftest; then
1700                    AC_MSG_WARN([Disabling usage of __thread.]);
1701                    with_tls=pthread
1702                 fi
1703                 rm -f conftest.c conftest.so conftest
1704         fi
1705 fi
1706
1707 mono_debugger_supported=no
1708 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1709         case "$host" in
1710         *-*-*linux*)
1711                 mono_debugger_supported=yes
1712                 ;;
1713         esac
1714 fi
1715
1716 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1717 if test "x$mono_debugger_supported" = "xyes"; then
1718         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1719 fi
1720 AC_MSG_RESULT($mono_debugger_supported)
1721 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1722
1723 if test "x$with_tls" = "x__thread"; then
1724         AC_DEFINE(HAVE_KW_THREAD)
1725    # Pass the information to libgc
1726         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1727         export CPPFLAGS
1728         AC_MSG_CHECKING(if the tls_model attribute is supported)
1729         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1730                 ], [
1731                         AC_MSG_RESULT(yes)
1732                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1733                 ], [
1734                         AC_MSG_RESULT(no)
1735         ])
1736 fi
1737
1738 if test ${TARGET} = ARM; then
1739         dnl ******************************************
1740         dnl *** Check to see what FPU is available ***
1741         dnl ******************************************
1742         AC_MSG_CHECKING(which FPU to use)
1743
1744         AC_TRY_COMPILE([], [
1745                 __asm__ ("ldfd f0, [r0]");
1746                 ], fpu=FPA, [
1747                         AC_TRY_COMPILE([], [
1748                                 __asm__ ("fldd d0, [r0]");
1749                         ], fpu=VFP, fpu=NONE)
1750                 ])
1751
1752         AC_MSG_RESULT($fpu)
1753         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1754         unset fpu
1755 fi
1756
1757 if test ${TARGET} = unknown; then
1758         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1759         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1760 fi
1761
1762 if test ${ACCESS_UNALIGNED} = no; then
1763         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1764 fi
1765
1766 PREVIEW=yes
1767 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1768         if test x$with_preview = xno; then
1769               PREVIEW=no
1770         fi
1771 ])
1772
1773 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1774
1775 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1776 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1777 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1778 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1779 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1780 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1781 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1782 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1783 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1784 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1785 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1786 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1787 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1788 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1789
1790 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1791 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1792 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1793
1794 AC_SUBST(LIBC)
1795 AC_SUBST(INTL)
1796 AC_SUBST(SQLITE)
1797 AC_SUBST(SQLITE3)
1798 AC_SUBST(X11)
1799
1800 AC_SUBST(arch_target)
1801 AC_SUBST(CFLAGS)
1802 AC_SUBST(CPPFLAGS)
1803 AC_SUBST(LDFLAGS)
1804
1805 mono_build_root=`pwd`
1806 AC_SUBST(mono_build_root)
1807
1808 if test x$USEJIT = xtrue; then
1809   mono_runtime=mono/mini/mono
1810 else
1811   mono_runtime=mono/interpreter/mint
1812 fi
1813 AC_SUBST(mono_runtime)
1814
1815 mono_cfg_root=$mono_build_root/runtime
1816 if test x$platform_win32 = xyes; then
1817   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1818 else
1819   mono_cfg_dir=$mono_cfg_root/etc
1820 fi
1821 AC_SUBST(mono_cfg_dir)
1822
1823 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1824 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1825 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1826
1827 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1828 [   depth=../../../..
1829     case $srcdir in
1830     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1831     .) reldir=$depth ;;
1832     *) reldir=$depth/$srcdir ;;
1833     esac
1834     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1835     cd runtime/etc/mono/1.0
1836     rm -f machine.config
1837     $LN_S $reldir/data/net_1_1/machine.config machine.config
1838     cd $depth
1839 ],[LN_S='$LN_S'])
1840
1841 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1842 [   depth=../../../..
1843     case $srcdir in
1844     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1845     .) reldir=$depth ;;
1846     *) reldir=$depth/$srcdir ;;
1847     esac
1848     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1849     cd runtime/etc/mono/2.0
1850     rm -f machine.config
1851     $LN_S $reldir/data/net_2_0/machine.config machine.config
1852     cd $depth
1853 ],[LN_S='$LN_S'])
1854
1855 AC_OUTPUT([
1856 Makefile
1857 mint.pc
1858 mono.pc
1859 mono-cairo.pc
1860 dotnet.pc
1861 mono-uninstalled.pc
1862 scripts/mono-nunit.pc
1863 scripts/mono-find-provides
1864 scripts/mono-find-requires
1865 mono/Makefile
1866 mono/utils/Makefile
1867 mono/metadata/Makefile
1868 mono/dis/Makefile
1869 mono/cil/Makefile
1870 mono/arch/Makefile
1871 mono/os/Makefile
1872 mono/arch/x86/Makefile
1873 mono/arch/amd64/Makefile
1874 mono/arch/hppa/Makefile
1875 mono/arch/ppc/Makefile
1876 mono/arch/sparc/Makefile
1877 mono/arch/s390/Makefile
1878 mono/arch/s390x/Makefile
1879 mono/arch/arm/Makefile
1880 mono/arch/alpha/Makefile
1881 mono/arch/ia64/Makefile
1882 mono/interpreter/Makefile
1883 mono/tests/Makefile
1884 mono/tests/tests-config
1885 mono/benchmark/Makefile
1886 mono/monoburg/Makefile
1887 mono/monograph/Makefile
1888 mono/io-layer/Makefile
1889 mono/mini/Makefile
1890 mono/handles/Makefile
1891 mono/profiler/Makefile
1892 ikvm-native/Makefile
1893 scripts/Makefile
1894 man/Makefile
1895 web/Makefile
1896 docs/Makefile
1897 data/Makefile
1898 data/net_1_1/Makefile
1899 data/net_2_0/Makefile
1900 samples/Makefile
1901 support/Makefile
1902 data/config
1903 tools/Makefile
1904 tools/locale-builder/Makefile
1905 runtime/Makefile
1906 ])
1907
1908 if test x$platform_win32 = xyes; then
1909    # Get rid of 'cyg' prefixes in library names
1910    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1911    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
1912    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
1913    # executable doesn't work...
1914    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
1915 fi
1916
1917 (
1918   case $prefix in
1919   NONE) prefix=$ac_default_prefix ;;
1920   esac
1921   case $exec_prefix in
1922   NONE) exec_prefix='${prefix}' ;;
1923   esac
1924
1925   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
1926
1927   #
1928   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
1929   # any existing config.make.  This allows people to share the same source tree
1930   # with different build directories, one native and one cross
1931   #
1932   if test x$cross_compiling = xno; then
1933     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
1934     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
1935     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
1936     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1937     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
1938     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
1939     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
1940
1941     case $INSTALL in
1942     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
1943     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
1944     esac
1945
1946     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
1947
1948     export VERSION
1949     [myver=$($AWK 'BEGIN {
1950       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
1951       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
1952     }')]
1953
1954     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
1955   fi
1956 )
1957
1958 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
1959
1960 echo "
1961         mcs source:  $mcs_topdir
1962         GC:          $gc
1963         TLS:         $with_tls
1964         SIGALTSTACK: $with_sigaltstack
1965         Engine:      $jit_status
1966         2.0 Alpha:   $PREVIEW
1967         JNI support: $jdk_headers_found
1968         libgdiplus:  $libgdiplus_msg
1969         $disabled
1970
1971 "