configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3
   4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
   5 # The extra brackets are to foil regex-based scans.
   6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
   7
   8 AM_CONFIG_HEADER(config.h)
   9 AM_INIT_AUTOMAKE(mono,1.2)
  10 AM_MAINTAINER_MODE
  11
  12 API_VER=1.0
  13 AC_SUBST(API_VER)
  14
  15 AC_PROG_LN_S
  16
  17 # In case of cygwin, override LN_S, irrespective of what it determines.
  18 # The build uses cygwin, but the actual runtime doesn't.
  19 case $host_os in
  20 *cygwin* ) LN_S='cp -p';;
  21 esac
  22
  23
  24 dnl
  25 dnl libgc checks
  26 dnl
  27
  28 gc_headers=no
  29 gc=included
  30 use_included_gc=no
  31 libgc_configure_args=
  32
  33 if test -d $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 #
  40 # These are the flags that need to be stored in the mono.pc file for
  41 # compiling code that will embed Mono
  42 #
  43 libmono_cflags=""
  44 libmono_ldflags=""
  45 AC_SUBST(libmono_cflags)
  46 AC_SUBST(libmono_ldflags)
  47
  48 # Variable to have relocatable .pc files (lib, or lib64)
  49 reloc_libdir=`basename ${libdir}`
  50 AC_SUBST(reloc_libdir)
  51
  52
  53 dnl if linker handles the version script
  54 no_version_script=no
  55
  56 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  57 need_link_unlink=no
  58
  59 # Thread configuration inspired by sleepycat's db
  60 AC_MSG_CHECKING([host platform characteristics])
  61 libgc_threads=no
  62 case "$host" in
  63         *-*-mingw*|*-*-cygwin*)
  64                 platform_win32=yes
  65                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  66                 if test "x$cross_compiling" = "xno"; then
  67                         CC="gcc -mno-cygwin -g"
  68                         # So libgc configure gets -mno-cygwin
  69                         export CC
  70                 fi
  71                 HOST_CC="gcc"
  72                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
  73                 libmono_cflags="-mno-cygwin"
  74                 libmono_ldflags="-mno-cygwin"
  75                 libdl=
  76                 libgc_threads=win32
  77                 gc_default=included
  78                 with_sigaltstack=no
  79                 LN_S=cp
  80                 # This forces libgc to use the DllMain based thread registration code on win32
  81                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  82                 ;;
  83         *-*-*netbsd*)
  84                 platform_win32=no
  85                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  86                 libmono_cflags="-D_REENTRANT"
  87                 LDFLAGS="$LDFLAGS -pthread"
  88                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  89                 libmono_ldflags="-pthread"
  90                 need_link_unlink=yes
  91                 libdl=
  92                 libgc_threads=no
  93                 ;;
  94 # these flags will work for all versions of -STABLE
  95 #
  96         *-*-*freebsd4*)
  97                 platform_win32=no
  98                 if test "x$PTHREAD_CFLAGS" = "x"; then
  99                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 100                         libmono_cflags="-D_THREAD_SAFE"
 101                 else
 102                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 103                         libmono_cflags="$PTHREAD_CFLAGS"
 104                 fi
 105                 if test "x$PTHREAD_LIBS" = "x"; then
 106                         LDFLAGS="$LDFLAGS -pthread"
 107                         libmono_ldflags="-pthread"
 108                 else
 109                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 110                         libmono_ldflags="$PTHREAD_LIBS"
 111                 fi
 112                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 113                 need_link_unlink=yes
 114                 AC_DEFINE(PTHREAD_POINTER_ID)
 115                 libdl=
 116                 libgc_threads=pthreads
 117 # TLS isn't implemented at all on 4-STABLE
 118                 with_tls=pthread
 119                 ;;
 120         *-*-*freebsd5*)
 121                 platform_win32=no
 122                 if test "x$PTHREAD_CFLAGS" = "x"; then
 123                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 124                         libmono_cflags=
 125                 else
 126                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 127                         libmono_cflags="$PTHREAD_CFLAGS"
 128                 fi
 129                 if test "x$PTHREAD_LIBS" = "x"; then
 130                         LDFLAGS="$LDFLAGS -pthread"
 131                         libmono_ldflags="-pthread"
 132                 else
 133                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 134                         libmono_ldflags="$PTHREAD_LIBS"
 135                 fi
 136                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 137                 need_link_unlink=yes
 138                 AC_DEFINE(PTHREAD_POINTER_ID)
 139                 libdl=
 140                 with_sigaltstack=yes
 141                 libgc_threads=pthreads
 142 # TLS is only partially implemented on 5-STABLE (compiler support
 143 # but NOT library support)
 144 #
 145                 with_tls=pthread
 146                 ;;
 147         *-*-*freebsd6*)
 148                 platform_win32=no
 149                 if test "x$PTHREAD_CFLAGS" = "x"; then
 150                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 151                         libmono_cflags=
 152                 else
 153                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 154                         libmono_cflags="$PTHREAD_CFLAGS"
 155                 fi
 156                 if test "x$PTHREAD_LIBS" = "x"; then
 157                         LDFLAGS="$LDFLAGS -pthread"
 158                         libmono_ldflags="-pthread"
 159                 else
 160                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 161                         libmono_ldflags="$PTHREAD_LIBS"
 162                 fi
 163                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 164                 need_link_unlink=yes
 165                 AC_DEFINE(PTHREAD_POINTER_ID)
 166                 libdl=
 167                 libgc_threads=pthreads
 168                 with_sigaltstack=yes
 169 # TLS is only partially implemented on -CURRENT (compiler support
 170 # but NOT library support)
 171 #
 172                 with_tls=pthread
 173                 ;;
 174         *-*-*openbsd*)
 175                 platform_win32=no
 176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 177                 libmono_cflags="-D_THREAD_SAFE"
 178                 LDFLAGS="$LDFLAGS -pthread"
 179                 libmono_ldflags="-pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 ;;
 185         *-*-linux*)
 186                 platform_win32=no
 187                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 188                 libmono_cflags="-D_REENTRANT"
 189                 libmono_ldflags="-lpthread"
 190                 libdl="-ldl"
 191                 libgc_threads=pthreads
 192                 ;;
 193         *-*-hpux*)
 194         platform_win32=no
 195                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 196                 # +ESdbgasm only valid on bundled cc on RISC
 197                 # silently ignored for ia64
 198                 if test $GCC != "yes"; then
 199                         CFLAGS="$CFLAGS +ESdbgasm"
 200                         # Arrange for run-time dereferencing of null
 201                         # pointers to produce a SIGSEGV signal.
 202                         LDFLAGS="$LDFLAGS -z"
 203                 fi
 204                 CFLAGS="$CFLAGS +ESdbgasm"
 205                 LDFLAGS="$LDFLAGS -z"
 206                 libmono_cflags="-D_REENTRANT"
 207                 libmono_ldflags="-lpthread"
 208                 libgc_threads=pthreads
 209                 need_link_unlink=yes
 210                 ;;
 211         *-*-solaris*)
 212                 platform_win32=no
 213                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 214                 need_link_unlink=yes
 215                 libmono_cflags="-D_REENTRANT"
 216                 libgc_threads=pthreads
 217                 # This doesn't seem to work on solaris/x86, but the configure test runs
 218                 with_tls=pthread
 219                 ;;
 220         *-*-darwin*)
 221                 platform_win32=no
 222                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 223                 libmono_cflags="-D_THREAD_SAFE"
 224                 LDFLAGS="$LDFLAGS -pthread"
 225                 libmono_ldflags="-pthread"
 226                 need_link_unlink=yes
 227                 AC_DEFINE(PTHREAD_POINTER_ID)
 228                 AC_DEFINE(USE_MACH_SEMA)
 229                 no_version_script=yes
 230                 libdl=
 231                 libgc_threads=pthreads
 232                 ;;
 233         *)
 234                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 235                 platform_win32=no
 236                 libdl="-ldl"
 237                 ;;
 238 esac
 239 AC_MSG_RESULT(ok)
 240
 241 if test x$need_link_unlink = xyes; then
 242    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 243 fi
 244
 245 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 246
 247 AC_CHECK_TOOL(CC, gcc, gcc)
 248 AC_PROG_CC
 249 AM_PROG_CC_STDC
 250 AC_PROG_INSTALL
 251 AC_PROG_AWK
 252 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 253 : ${CCAS='$(CC)'}
 254 # Set ASFLAGS if not already set.
 255 : ${CCASFLAGS='$(CFLAGS)'}
 256 AC_SUBST(CCAS)
 257 AC_SUBST(CCASFLAGS)
 258
 259 AC_CHECK_PROG(BISON, bison,yes,no)
 260 if test "x$BISON" = "xno";
 261 then
 262         AC_MSG_ERROR([You need to install bison])
 263 fi
 264
 265 dnl may require a specific autoconf version
 266 dnl AC_PROG_CC_FOR_BUILD
 267 dnl CC_FOR_BUILD not automatically detected
 268 CC_FOR_BUILD=$CC
 269 CFLAGS_FOR_BUILD=$CFLAGS
 270 BUILD_EXEEXT=
 271 if test "x$cross_compiling" = "xyes"; then
 272         CC_FOR_BUILD=cc
 273         CFLAGS_FOR_BUILD=
 274         BUILD_EXEEXT=""
 275 fi
 276 AC_SUBST(CC_FOR_BUILD)
 277 AC_SUBST(CFLAGS_FOR_BUILD)
 278 AC_SUBST(HOST_CC)
 279 AC_SUBST(BUILD_EXEEXT)
 280
 281 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 282
 283 # Set STDC_HEADERS
 284 AC_HEADER_STDC
 285 AC_LIBTOOL_WIN32_DLL
 286 # This causes monodis to not link correctly
 287 #AC_DISABLE_FAST_INSTALL
 288 AM_PROG_LIBTOOL
 289
 290 # Test whenever ld supports -version-script
 291 AC_PROG_LD
 292 AC_PROG_LD_GNU
 293 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 294    no_version_script=yes
 295 fi
 296
 297 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 298
 299 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 300
 301 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 302
 303 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 304
 305 # for mono/metadata/debug-symfile.c
 306 AC_CHECK_HEADERS(elf.h)
 307
 308 # for support
 309 AC_CHECK_HEADERS(poll.h)
 310 AC_CHECK_HEADERS(sys/poll.h)
 311 AC_CHECK_HEADERS(sys/wait.h)
 312 AC_CHECK_HEADERS(grp.h)
 313 AC_CHECK_HEADERS(syslog.h)
 314
 315 # for mono/dis
 316 AC_CHECK_HEADERS(wchar.h)
 317 case "$host" in
 318         *-*-*freebsd6*)
 319                 AC_CHECK_HEADERS(ieeefp.h)
 320         ;;
 321         *-*-*freebsd*)
 322                 /* Only freebsd6 has a working ieeefp.h */
 323         ;;
 324         *)
 325                 AC_CHECK_HEADERS(ieeefp.h)
 326         ;;
 327 esac
 328 AC_MSG_CHECKING(for isinf)
 329 AC_TRY_LINK([#include <math.h>], [
 330         int f = isinf (1);
 331 ], [
 332         AC_MSG_RESULT(yes)
 333         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 334 ], [
 335         # We'll have to use signals
 336         AC_MSG_RESULT(no)
 337 ])
 338
 339
 340 # not 64 bit clean in cross-compile
 341 AC_CHECK_SIZEOF(void *, 4)
 342
 343 WARN=''
 344 if test x"$GCC" = xyes; then
 345         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 346                 # The runtime code does not respect ANSI C strict aliasing rules
 347                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 348
 349                 ORIG_CFLAGS=$CFLAGS
 350                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 351                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 352                 AC_TRY_COMPILE([], [
 353                                                    void main () { }
 354                 ], [
 355                    AC_MSG_RESULT(yes)
 356                 ], [
 357                    AC_MSG_RESULT(no)
 358                    CFLAGS=$ORIG_CFLAGS
 359                 ])
 360 else
 361         # The Sun Forte compiler complains about inline functions that access static variables
 362         # so disable all inlining.
 363         case "$host" in
 364         *-*-solaris*)
 365                 CFLAGS="$CFLAGS -Dinline="
 366                 ;;
 367         esac
 368 fi
 369 CFLAGS="$CFLAGS -g $WARN"
 370
 371 # Where's the 'mcs' source tree?
 372 if test -d $srcdir/mcs; then
 373   mcsdir=mcs
 374 else
 375   mcsdir=../mcs
 376 fi
 377
 378 mcs_topdir='$(top_srcdir)/'$mcsdir
 379 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 380
 381 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 382 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 383
 384 AC_SUBST([mcs_topdir])
 385 AC_SUBST([mcs_topdir_from_srcdir])
 386
 387 AC_ARG_WITH([libgdiplus],
 388         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 389         [], [with_libgdiplus=installed])
 390
 391 case $with_libgdiplus in
 392 no|installed) libgdiplus_loc= ;;
 393 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 394 /*) libgdiplus_loc=$with_libgdiplus ;;
 395 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 396 esac
 397 AC_SUBST([libgdiplus_loc])
 398
 399 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 400 if test "x$PKG_CONFIG" = "xno"; then
 401         AC_MSG_ERROR([You need to install pkg-config])
 402 fi
 403
 404 pkg_config_path=
 405 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 406         if test x$with_crosspkgdir = "x"; then
 407                 if test -s $PKG_CONFIG_PATH; then
 408                         pkg_config_path=$PKG_CONFIG_PATH
 409                 fi
 410         else
 411                 pkg_config_path=$with_crosspkgdir
 412                 PKG_CONFIG_PATH=$pkg_config_path
 413                 export PKG_CONFIG_PATH
 414         fi
 415 )
 416
 417 AC_ARG_WITH([glib],
 418         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 419         [], [with_glib=system])
 420
 421 case $with_glib in
 422 embedded)
 423   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 424   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 425   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 426   BUILD_GLIB_LIBS="$GLIB_LIBS"
 427   AC_CONFIG_SUBDIRS(eglib)
 428   ;;
 429 system)
 430   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 431   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 432
 433   ## Versions of dependencies
 434   GLIB_REQUIRED_VERSION=1.3.11
 435
 436   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 437
 438   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 439   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 440   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 441   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 442   ;;
 443 *)
 444   AC_MSG_ERROR([Invalid argument to --with-glib.])
 445 esac
 446 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 447
 448 AC_SUBST(GLIB_CFLAGS)
 449 AC_SUBST(GLIB_LIBS)
 450 AC_SUBST(GMODULE_CFLAGS)
 451 AC_SUBST(GMODULE_LIBS)
 452 AC_SUBST(BUILD_GLIB_CFLAGS)
 453 AC_SUBST(BUILD_GLIB_LIBS)
 454
 455 if test x$cross_compiling$platform_win32 = xnoyes; then
 456    AC_MSG_CHECKING(for cygwin glib2-dev package)
 457    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 458       AC_MSG_RESULT(found)
 459           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.])
 460    else
 461       AC_MSG_RESULT(not found, ok)
 462    fi
 463
 464    AC_MSG_CHECKING(for broken gwin32.h)
 465    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 466    if test -f $glib_include/glib/gwin32.h; then
 467           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 468                  AC_MSG_RESULT(failed)
 469                  hashmark='#'
 470                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 471           fi
 472    fi
 473    AC_MSG_RESULT(ok)
 474 fi
 475
 476 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 477
 478 # Enable support for fast thread-local storage
 479 # Some systems have broken support, so we allow to disable it.
 480 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 481
 482 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 483 # This does not work on some platforms (bug #55253)
 484 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 485
 486 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 487
 488 if test "x$enable_static" = "xno"; then
 489    with_static_mono=no
 490 fi
 491
 492 if test "x$platform_win32" = "xyes"; then
 493    # Boehm GC requires the runtime to be in its own dll
 494    with_static_mono=no
 495 fi
 496
 497 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 498 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 499
 500 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 501 if test "x$with_xen_opt" = "xyes"; then
 502         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 503         ORIG_CFLAGS=$CFLAGS
 504         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 505         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 506         AC_TRY_COMPILE([], [
 507                                            void main () { }
 508         ], [
 509            AC_MSG_RESULT(yes)
 510         ], [
 511            AC_MSG_RESULT(no)
 512            CFLAGS=$ORIG_CFLAGS
 513         ])
 514 fi
 515
 516 DISABLED_FEATURES=none
 517
 518 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 519   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 520   reflection_emit, large_code, logging, com, ssa, generics.],
 521 [
 522         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 523                 eval "mono_feature_disable_$feature='yes'"
 524                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 525         done
 526         DISABLED_FEATURES=$enable_minimal
 527         disabled="Disabled:    $enable_minimal"
 528 ],[])
 529
 530 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 531
 532 if test "x$mono_feature_disable_aot" = "xyes"; then
 533         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 534 fi
 535
 536 if test "x$mono_feature_disable_profiler" = "xyes"; then
 537         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 538 fi
 539
 540 if test "x$mono_feature_disable_decimal" = "xyes"; then
 541         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 542 fi
 543
 544 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 545         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 546 fi
 547
 548 if test "x$mono_feature_disable_debug" = "xyes"; then
 549         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 550 fi
 551
 552 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 553         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 554 fi
 555
 556 if test "x$mono_feature_disable_large_code" = "xyes"; then
 557         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 558 fi
 559
 560 if test "x$mono_feature_disable_logging" = "xyes"; then
 561         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 562 fi
 563
 564 if test "x$mono_feature_disable_com" = "xyes"; then
 565         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 566 fi
 567
 568 if test "x$mono_feature_disable_ssa" = "xyes"; then
 569         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 570 fi
 571
 572 if test "x$mono_feature_disable_generics" = "xyes"; then
 573         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 574 fi
 575
 576 AC_MSG_CHECKING(for visibility __attribute__)
 577 AC_TRY_COMPILE([], [
 578    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 579    void main () { doit (); }
 580 ], [
 581    have_visibility_hidden=yes
 582    AC_MSG_RESULT(yes)
 583 ], [
 584    have_visibility_hidden=no
 585    AC_MSG_RESULT(no)
 586 ])
 587
 588 LIBGC_CFLAGS=
 589 LIBGC_LIBS=
 590 LIBGC_STATIC_LIBS=
 591 libgc_dir=
 592 case "x$gc" in
 593         xboehm|xbohem|xyes)
 594                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 595                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 596
 597                 if test "x$found_boehm" != "xyes"; then
 598                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 599                 fi
 600                 if test "x$gc_headers" != "xyes"; then
 601                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 602                 fi
 603
 604                 AC_DEFINE(HAVE_BOEHM_GC)
 605                 AC_SUBST(HAVE_BOEHM_GC)
 606                 LIBGC_LIBS="-lgc $libdl"
 607                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 608
 609                 # AC_CHECK_FUNCS does not work for some reason...
 610                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 611                 if test "x$found_gcj_malloc" = "xyes"; then
 612                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 613                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 614                 else
 615                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 616                 fi
 617                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 618                 if test "x$found_gc_enable" = "xyes"; then
 619                         AC_DEFINE(HAVE_GC_ENABLE)
 620                 fi
 621                 ;;
 622
 623         xincluded)
 624                 AC_CONFIG_SUBDIRS(libgc)
 625
 626                 # Pass CPPFLAGS to libgc configure
 627                 # Maybe we should use a separate variable for this to avoid passing useless and
 628                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 629                 export CPPFLAGS
 630
 631                 found_boehm=yes
 632                 gc_headers=yes
 633                 use_included_gc=yes
 634                 libgc_dir=libgc
 635
 636                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 637                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 638                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 639
 640                 AC_DEFINE(HAVE_BOEHM_GC)
 641                 AC_SUBST(HAVE_BOEHM_GC)
 642
 643                 AC_DEFINE(HAVE_GC_H)
 644                 AC_DEFINE(USE_INCLUDED_LIBGC)
 645
 646                 # The included libgc contains GCJ support
 647                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 648                 AC_DEFINE(HAVE_GC_ENABLE)
 649                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 650                 ;;
 651
 652         xsgen)
 653                 found_boehm=no
 654                 gc_headers=no
 655                 use_included_gc=no
 656                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 657                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 658                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 659                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 660                 ;;
 661
 662         xnone)
 663                 AC_MSG_WARN("Compiling mono without GC.")
 664                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 665                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 666                 ;;
 667         *)
 668                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 669                 ;;
 670 esac
 671
 672 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 673 if test "x$large_heap" = "xyes"; then
 674    echo "FOO"
 675    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 676 fi
 677
 678 # tell libgc/configure about what we want
 679 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 680
 681 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 682 AC_SUBST(LIBGC_CFLAGS)
 683 AC_SUBST(LIBGC_LIBS)
 684 AC_SUBST(LIBGC_STATIC_LIBS)
 685 AC_SUBST(libgc_dir)
 686
 687 dnl
 688 dnl End of libgc checks
 689 dnl
 690
 691 if test x$platform_win32 = xno; then
 692
 693         dnl dynamic loader support
 694         AC_CHECK_FUNC(dlopen, DL_LIB="",
 695                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 696         )
 697         if test x$dl_support = xno; then
 698                 AC_MSG_WARN([No dynamic loading support available])
 699         else
 700                 LIBS="$LIBS $DL_LIB"
 701                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 702                 dnl from glib's configure.in
 703                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 704                         mono_cv_uscore,[
 705                         AC_TRY_RUN([#include <dlfcn.h>
 706                         int mono_underscore_test (void) { return 42; }
 707                         int main() {
 708                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 709                           handle = dlopen ((void*)0, 0);
 710                           if (handle) {
 711                             f1 = dlsym (handle, "mono_underscore_test");
 712                             f2 = dlsym (handle, "_mono_underscore_test");
 713                           } return (!f2 || f1);
 714                         }],
 715                                 [mono_cv_uscore=yes],
 716                                 [mono_cv_uscore=no],
 717                         [])
 718                 ])
 719                 if test "x$mono_cv_uscore" = "xyes"; then
 720                         MONO_DL_NEED_USCORE=1
 721                 else
 722                         MONO_DL_NEED_USCORE=0
 723                 fi
 724                 AC_SUBST(MONO_DL_NEED_USCORE)
 725                 AC_CHECK_FUNC(dlerror)
 726         fi
 727
 728         dnl ******************************************************************
 729         dnl *** Checks for the IKVM JNI interface library                  ***
 730         dnl ******************************************************************
 731         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 732
 733         ikvm_native_dir=
 734         if test x$with_ikvm_native = xyes; then
 735                 ikvm_native_dir=ikvm-native
 736                 jdk_headers_found="IKVM Native"
 737         fi
 738
 739         AC_SUBST(ikvm_native_dir)
 740
 741         AC_CHECK_HEADERS(execinfo.h)
 742
 743         AC_CHECK_FUNCS(getgrgid_r)
 744         AC_CHECK_FUNCS(getgrnam_r)
 745         AC_CHECK_FUNCS(getpwnam_r)
 746         AC_CHECK_FUNCS(getpwuid_r)
 747         AC_CHECK_FUNCS(getresuid)
 748         AC_CHECK_FUNCS(setresuid)
 749         AC_CHECK_FUNCS(kqueue)
 750         AC_CHECK_FUNCS(backtrace_symbols)
 751         AC_CHECK_FUNCS(mkstemp)
 752         AC_CHECK_FUNCS(mmap)
 753         AC_CHECK_FUNCS(madvise)
 754
 755         dnl ******************************************************************
 756         dnl *** Check for large file support                               ***
 757         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 758         dnl ******************************************************************
 759
 760         # Check that off_t can represent 2**63 - 1 correctly, working around
 761         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 762         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 763         large_offt=no
 764         AC_DEFUN([LARGE_FILES], [
 765                 large_CPPFLAGS=$CPPFLAGS
 766                 CPPFLAGS="$CPPFLAGS $1"
 767                 AC_TRY_RUN([
 768                         #include <sys/types.h>
 769
 770                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 771
 772                         int main(void) {
 773                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 774                                                (BIG_OFF_T%2147483647==1));
 775                                 if(big_off_t) {
 776                                         exit(0);
 777                                 } else {
 778                                         exit(1);
 779                                 }
 780                         }
 781                 ], [
 782                         AC_MSG_RESULT(ok)
 783                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 784                         large_CPPFLAGS="$large_CPPFLAGS $1"
 785                         large_offt=yes
 786                 ], [
 787                         AC_MSG_RESULT(no)
 788                 ], "")
 789                 CPPFLAGS=$large_CPPFLAGS
 790         ])
 791
 792         AC_MSG_CHECKING(if off_t is 64 bits wide)
 793         LARGE_FILES("")
 794         if test $large_offt = no; then
 795                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 796                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 797         fi
 798         if test $large_offt = no; then
 799                 AC_MSG_WARN([No 64 bit file size support available])
 800         fi
 801
 802         dnl *****************************
 803         dnl *** Checks for libsocket  ***
 804         dnl *****************************
 805         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 806
 807         dnl *******************************
 808         dnl *** Checks for MSG_NOSIGNAL ***
 809         dnl *******************************
 810         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 811         AC_TRY_COMPILE([#include <sys/socket.h>], [
 812                 int f = MSG_NOSIGNAL;
 813         ], [
 814                 # Yes, we have it...
 815                 AC_MSG_RESULT(yes)
 816                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 817         ], [
 818                 # We'll have to use signals
 819                 AC_MSG_RESULT(no)
 820         ])
 821
 822         dnl *****************************
 823         dnl *** Checks for SOL_IP     ***
 824         dnl *****************************
 825         AC_MSG_CHECKING(for SOL_IP)
 826         AC_TRY_COMPILE([#include <netdb.h>], [
 827                 int level = SOL_IP;
 828         ], [
 829                 # Yes, we have it...
 830                 AC_MSG_RESULT(yes)
 831                 AC_DEFINE(HAVE_SOL_IP)
 832         ], [
 833                 # We'll have to use getprotobyname
 834                 AC_MSG_RESULT(no)
 835         ])
 836
 837         dnl *****************************
 838         dnl *** Checks for SOL_IPV6     ***
 839         dnl *****************************
 840         AC_MSG_CHECKING(for SOL_IPV6)
 841         AC_TRY_COMPILE([#include <netdb.h>], [
 842                 int level = SOL_IPV6;
 843         ], [
 844                 # Yes, we have it...
 845                 AC_MSG_RESULT(yes)
 846                 AC_DEFINE(HAVE_SOL_IPV6)
 847         ], [
 848                 # We'll have to use getprotobyname
 849                 AC_MSG_RESULT(no)
 850         ])
 851
 852         dnl *****************************
 853         dnl *** Checks for SOL_TCP    ***
 854         dnl *****************************
 855         AC_MSG_CHECKING(for SOL_TCP)
 856         AC_TRY_COMPILE([#include <netdb.h>], [
 857                 int level = SOL_TCP;
 858         ], [
 859                 # Yes, we have it...
 860                 AC_MSG_RESULT(yes)
 861                 AC_DEFINE(HAVE_SOL_TCP)
 862         ], [
 863                 # We'll have to use getprotobyname
 864                 AC_MSG_RESULT(no)
 865         ])
 866
 867         dnl *****************************
 868         dnl *** Checks for IP_PKTINFO ***
 869         dnl *****************************
 870         AC_MSG_CHECKING(for IP_PKTINFO)
 871         AC_TRY_COMPILE([#include <netdb.h>], [
 872                 int level = IP_PKTINFO;
 873         ], [
 874                 # Yes, we have it...
 875                 AC_MSG_RESULT(yes)
 876                 AC_DEFINE(HAVE_IP_PKTINFO)
 877         ], [
 878                 AC_MSG_RESULT(no)
 879         ])
 880
 881         dnl *****************************
 882     dnl *** Checks for IPV6_PKTINFO ***
 883     dnl *****************************
 884     AC_MSG_CHECKING(for IPV6_PKTINFO)
 885     AC_TRY_COMPILE([#include <netdb.h>], [
 886         int level = IPV6_PKTINFO;
 887     ], [
 888         # Yes, we have it...
 889         AC_MSG_RESULT(yes)
 890         AC_DEFINE(HAVE_IPV6_PKTINFO)
 891     ], [
 892         AC_MSG_RESULT(no)
 893     ])
 894
 895         dnl *********************************
 896         dnl *** Check for struct ip_mreqn ***
 897         dnl *********************************
 898         AC_MSG_CHECKING(for struct ip_mreqn)
 899         AC_TRY_COMPILE([#include <netinet/in.h>], [
 900                 struct ip_mreqn mreq;
 901                 mreq.imr_address.s_addr = 0;
 902         ], [
 903                 # Yes, we have it...
 904                 AC_MSG_RESULT(yes)
 905                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 906         ], [
 907                 # We'll just have to try and use struct ip_mreq
 908                 AC_MSG_RESULT(no)
 909                 AC_MSG_CHECKING(for struct ip_mreq)
 910                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 911                         struct ip_mreq mreq;
 912                         mreq.imr_interface.s_addr = 0;
 913                 ], [
 914                         # Yes, we have it...
 915                         AC_MSG_RESULT(yes)
 916                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 917                 ], [
 918                         # No multicast support
 919                         AC_MSG_RESULT(no)
 920                 ])
 921         ])
 922
 923         dnl **********************************
 924         dnl *** Check for gethostbyname2_r ***
 925         dnl **********************************
 926         AC_MSG_CHECKING(for gethostbyname2_r)
 927                 AC_TRY_LINK([#include <netdb.h>], [
 928                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 929         ], [
 930                 # Yes, we have it...
 931                 AC_MSG_RESULT(yes)
 932                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 933         ], [
 934                 AC_MSG_RESULT(no)
 935         ])
 936
 937         dnl *****************************
 938         dnl *** Checks for libnsl     ***
 939         dnl *****************************
 940         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
 941
 942         AC_CHECK_FUNCS(inet_pton inet_aton)
 943
 944         dnl ***********************************************
 945         dnl *** Checks for size of sockaddr_un.sun_path ***
 946         dnl ***********************************************
 947         # AC_CHECK_SIZEOF can't cope with struct members :-(
 948         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 949         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 950                 [AC_TRY_RUN([
 951                         #include <sys/types.h>
 952                         #include <stdio.h>
 953                         #include <sys/un.h>
 954
 955                         int main(void) {
 956                                 struct sockaddr_un sock_un;
 957                                 FILE *f=fopen("conftestval", "w");
 958                                 if(!f) exit(1);
 959                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 960                                 exit(0);
 961                         }
 962                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 963                    cv_mono_sizeof_sunpath=0,
 964                    cv_mono_sizeof_sunpath=0)])dnl
 965         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 966         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 967
 968         dnl *************************************
 969         dnl *** Checks for zero length arrays ***
 970         dnl *************************************
 971         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 972         AC_TRY_COMPILE([
 973                 struct s {
 974                         int  length;
 975                         char data [0];
 976                 };
 977         ], [], [
 978                 AC_MSG_RESULT(yes)
 979                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 980         ], [
 981                 AC_MSG_RESULT(no)
 982                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 983         ])
 984
 985         dnl *****************************
 986         dnl *** Checks for libxnet    ***
 987         dnl *****************************
 988         case "${host}" in
 989                 *solaris* )
 990                         AC_MSG_CHECKING(for Solaris XPG4 support)
 991                         if test -f /usr/lib/libxnet.so; then
 992                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 993                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 994                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 995                                 LIBS="$LIBS -lxnet"
 996                                 AC_MSG_RESULT(yes)
 997                         else
 998                                 AC_MSG_RESULT(no)
 999                         fi
1000
1001                         if test "$GCC" = "yes"; then
1002                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1003                         fi
1004                 ;;
1005         esac
1006
1007         dnl *****************************
1008         dnl *** Checks for libpthread ***
1009         dnl *****************************
1010 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1011 # and libpthread does not exist
1012 #
1013         case "${host}" in
1014                 *-*-*freebsd4*)
1015                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1016                 ;;
1017                 *-*-*freebsd5*)
1018                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1019                 ;;
1020                 *-*-*freebsd6*)
1021                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1022                 ;;
1023                 *)
1024                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1025                 ;;
1026         esac
1027         AC_CHECK_HEADERS(pthread.h)
1028         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1029         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1030         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1031         AC_TRY_COMPILE([ #include <pthread.h>], [
1032                 pthread_mutexattr_t attr;
1033                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1034         ], [
1035                 AC_MSG_RESULT(ok)
1036         ], [
1037                 AC_MSG_RESULT(no)
1038                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1039                 AC_DEFINE(USE_MONO_MUTEX)
1040         ])
1041         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1042         AC_CHECK_FUNCS(pthread_attr_getstack)
1043         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1044
1045         dnl ***********************************
1046         dnl *** Checks for working __thread ***
1047         dnl ***********************************
1048         AC_MSG_CHECKING(for working __thread)
1049         if test "x$with_tls" != "x__thread"; then
1050                 AC_MSG_RESULT(disabled)
1051         else
1052                 AC_TRY_RUN([
1053                         #include <pthread.h>
1054                         __thread int i;
1055                         static int res1, res2;
1056
1057                         void thread_main (void *arg)
1058                         {
1059                                 i = arg;
1060                                 sleep (1);
1061                                 if (arg == 1)
1062                                         res1 = (i == arg);
1063                                 else
1064                                         res2 = (i == arg);
1065                         }
1066
1067                         int main () {
1068                                 pthread_t t1, t2;
1069
1070                                 i = 5;
1071
1072                                 pthread_create (&t1, NULL, thread_main, 1);
1073                                 pthread_create (&t2, NULL, thread_main, 2);
1074
1075                                 pthread_join (t1, NULL);
1076                                 pthread_join (t2, NULL);
1077
1078                                 return !(res1 + res2 == 2);
1079                         }
1080                 ], [
1081                                 AC_MSG_RESULT(yes)
1082                 ], [
1083                                 AC_MSG_RESULT(no)
1084                                 with_tls=pthread
1085                 ])
1086         fi
1087
1088         dnl **************************************
1089         dnl *** Checks for working sigaltstack ***
1090         dnl **************************************
1091         AC_MSG_CHECKING(for working sigaltstack)
1092         if test "x$with_sigaltstack" != "xyes"; then
1093                 AC_MSG_RESULT(disabled)
1094         else
1095                 AC_TRY_RUN([
1096                         #include <stdio.h>
1097                         #include <stdlib.h>
1098                         #include <unistd.h>
1099                         #include <signal.h>
1100                         #include <pthread.h>
1101                         #include <sys/wait.h>
1102                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1103                         #define SA_STACK SA_ONSTACK
1104                         #endif
1105                         static void
1106                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1107                         {
1108                                 exit (0);
1109                         }
1110
1111                         static void *
1112                         loop (void *ignored)
1113                         {
1114                                 char *ptr = NULL;
1115
1116                                 *ptr = 0;
1117                                 return NULL;
1118                         }
1119
1120                         static void
1121                         child ()
1122                         {
1123                                 struct sigaction sa;
1124                                 struct sigaltstack sas;
1125                                 pthread_t id;
1126                                 pthread_attr_t attr;
1127
1128                                 sa.sa_sigaction = sigsegv_signal_handler;
1129                                 sigemptyset (&sa.sa_mask);
1130                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1131                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1132                                         perror ("sigaction");
1133                                         return;
1134                                 }
1135
1136                                 sas.ss_sp = malloc (SIGSTKSZ);
1137                                 sas.ss_size = SIGSTKSZ;
1138                                 sas.ss_flags = 0;
1139                                 if (sigaltstack (&sas, NULL) == -1) {
1140                                         perror ("sigaltstack");
1141                                         return;
1142                                 }
1143
1144                                 pthread_attr_init (&attr);
1145                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1146                                         printf ("pthread_create\n");
1147                                         return;
1148                                 }
1149
1150                                 sleep (100);
1151                         }
1152
1153                         int
1154                         main ()
1155                         {
1156                                 pid_t son;
1157                                 int status;
1158                                 int i;
1159
1160                                 son = fork ();
1161                                 if (son == -1) {
1162                                         return 1;
1163                                 }
1164
1165                                 if (son == 0) {
1166                                         child ();
1167                                         return 0;
1168                                 }
1169
1170                                 for (i = 0; i < 3; ++i) {
1171                                         sleep (1);
1172                                         waitpid (son, &status, WNOHANG);
1173                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1174                                                 return 0;
1175                                 }
1176
1177                                 kill (son, SIGKILL);
1178                                 return 1;
1179                         }
1180
1181                 ], [
1182                                 AC_MSG_RESULT(yes)
1183                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1184                 ], [
1185                                 with_sigaltstack=no
1186                                 AC_MSG_RESULT(no)
1187                 ])
1188         fi
1189
1190         dnl ********************************
1191         dnl *** Checks for semaphore lib ***
1192         dnl ********************************
1193         # 'Real Time' functions on Solaris
1194         # posix4 on Solaris 2.6
1195         # pthread (first!) on Linux
1196         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1197
1198         dnl ********************************
1199         dnl *** Checks for timezone stuff **
1200         dnl ********************************
1201         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1202                 AC_TRY_COMPILE([
1203                         #include <time.h>
1204                         ], [
1205                         struct tm tm;
1206                         tm.tm_gmtoff = 1;
1207                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1208         if test $ac_cv_struct_tm_gmtoff = yes; then
1209                 AC_DEFINE(HAVE_TM_GMTOFF)
1210         else
1211                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1212                         AC_TRY_COMPILE([
1213                                 #include <time.h>
1214                         ], [
1215                                 timezone = 1;
1216                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1217                 if test $ac_cv_var_timezone = yes; then
1218                         AC_DEFINE(HAVE_TIMEZONE)
1219                 else
1220                         AC_ERROR(unable to find a way to determine timezone)
1221                 fi
1222         fi
1223
1224         dnl *********************************
1225         dnl *** Checks for math functions ***
1226         dnl *********************************
1227         LIBS="$LIBS -lm";
1228         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1229                 AC_TRY_LINK([#include <math.h>],
1230                 [ finite(0.0); ],
1231                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1232                 AC_MSG_RESULT(no)))
1233         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1234                 AC_TRY_LINK([#include <math.h>],
1235                 [ isfinite(0.0); ],
1236                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1237                 AC_MSG_RESULT(no)))
1238
1239         dnl ****************************************************************
1240         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1241         dnl *** have it in the library (duh))                            ***
1242         dnl ****************************************************************
1243         AC_CHECK_FUNCS(poll)
1244
1245         dnl *************************
1246         dnl *** Check for signbit ***
1247         dnl *************************
1248         AC_MSG_CHECKING(for signbit)
1249         AC_TRY_LINK([#include <math.h>], [
1250                 int s = signbit(1.0);
1251         ], [
1252                 AC_MSG_RESULT(yes)
1253                 AC_DEFINE(HAVE_SIGNBIT)
1254         ], [
1255                 AC_MSG_RESULT(no)
1256         ])
1257
1258         dnl **********************************
1259         dnl *** epoll                      ***
1260         dnl **********************************
1261         AC_CHECK_HEADERS(sys/epoll.h)
1262         haveepoll=no
1263         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1264         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1265                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1266         fi
1267
1268         dnl ******************************
1269         dnl *** Checks for SIOCGIFCONF ***
1270         dnl ******************************
1271         AC_CHECK_HEADERS(sys/ioctl.h)
1272         AC_CHECK_HEADERS(net/if.h)
1273         AC_MSG_CHECKING(for ifreq)
1274         AC_TRY_COMPILE([
1275                 #include <sys/ioctl.h>
1276                 #include <net/if.h>
1277                 ], [
1278                 struct ifconf ifc;
1279                 struct ifreq *ifr;
1280                 void *x;
1281                 ifc.ifc_len = 0;
1282                 ifc.ifc_buf = NULL;
1283                 x = (void *) &ifr->ifr_addr;
1284                 ],[
1285                         AC_MSG_RESULT(yes)
1286                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1287                 ], [
1288                         AC_MSG_RESULT(no)
1289                 ])
1290         dnl **********************************
1291         dnl *** Checks for MonoPosixHelper ***
1292         dnl **********************************
1293         AC_CHECK_HEADERS(checklist.h)
1294         AC_CHECK_HEADERS(fstab.h)
1295         AC_CHECK_HEADERS(attr/xattr.h)
1296         AC_CHECK_HEADERS(sys/extattr.h)
1297         AC_CHECK_HEADERS(sys/sendfile.h)
1298         AC_CHECK_HEADERS(sys/statvfs.h)
1299         AC_CHECK_HEADERS(sys/vfstab.h)
1300         AC_CHECK_HEADERS(sys/xattr.h)
1301         AC_CHECK_HEADERS(sys/mman.h)
1302         AC_CHECK_FUNCS(getdomainname)
1303         AC_CHECK_FUNCS(setdomainname)
1304         AC_CHECK_FUNCS(fgetgrent)
1305         AC_CHECK_FUNCS(fgetpwent)
1306         AC_CHECK_FUNCS(fgetpwent)
1307         AC_CHECK_FUNCS(getfsstat)
1308         AC_CHECK_FUNCS(lutimes)
1309         AC_CHECK_FUNCS(mremap)
1310         AC_CHECK_FUNCS(remap_file_pages)
1311         AC_CHECK_FUNCS(posix_fadvise)
1312         AC_CHECK_FUNCS(posix_fallocate)
1313         AC_CHECK_FUNCS(posix_madvise)
1314         AC_CHECK_FUNCS(vsnprintf)
1315         AC_CHECK_FUNCS(sendfile)
1316         AC_CHECK_FUNCS(sethostid)
1317         AC_CHECK_FUNCS(statfs)
1318         AC_CHECK_FUNCS(fstatfs)
1319         AC_CHECK_FUNCS(statvfs)
1320         AC_CHECK_FUNCS(fstatvfs)
1321         AC_CHECK_FUNCS(stime)
1322         AC_CHECK_FUNCS(strerror_r)
1323         AC_CHECK_FUNCS(ttyname_r)
1324         AC_CHECK_SIZEOF(size_t)
1325         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1326                 [#include <sys/types.h>
1327                  #include <sys/stat.h>
1328                  #include <unistd.h>])
1329         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1330                 [#include <sys/types.h>
1331                  #include <sys/stat.h>
1332                  #include <unistd.h>])
1333         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1334                 [#include <sys/time.h>])
1335         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1336                 [#include <sys/poll.h>])
1337         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1338                 [#include <sys/types.h>
1339                  #include <sys/stat.h>
1340                  #include <unistd.h>])
1341         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1342                 [#include <sys/time.h>
1343                  #include <sys/types.h>
1344                  #include <utime.h>])
1345         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1346                 [#include <sys/time.h>])
1347         AC_CHECK_MEMBERS(
1348                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1349                 [#include <sys/types.h>
1350                  #include <dirent.h>])
1351
1352         dnl Favour xattr through glibc, but use libattr if we have to
1353         AC_CHECK_FUNC(lsetxattr, ,
1354                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1355         )
1356         AC_SUBST(XATTR_LIB)
1357
1358         dnl *********************************
1359         dnl *** Check for Console 2.0 I/O ***
1360         dnl *********************************
1361         AC_CHECK_HEADERS([curses.h])
1362         AC_CHECK_HEADERS([term.h], [], [],
1363         [#if HAVE_CURSES_H
1364          #include <curses.h>
1365          #endif
1366         ])
1367         AC_CHECK_HEADERS([termios.h])
1368
1369         dnl * This is provided in io-layer, but on windows it's only available
1370         dnl * on xp+
1371         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1372 else
1373         jdk_headers_found=no
1374         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1375         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1376         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1377         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1378
1379         dnl *********************************
1380         dnl *** Check for struct ip_mreqn ***
1381         dnl *********************************
1382         AC_MSG_CHECKING(for struct ip_mreqn)
1383         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1384                 struct ip_mreqn mreq;
1385                 mreq.imr_address.s_addr = 0;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1390         ], [
1391                 # We'll just have to try and use struct ip_mreq
1392                 AC_MSG_RESULT(no)
1393                 AC_MSG_CHECKING(for struct ip_mreq)
1394                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1395                         struct ip_mreq mreq;
1396                         mreq.imr_interface.s_addr = 0;
1397                 ], [
1398                         # Yes, we have it...
1399                         AC_MSG_RESULT(yes)
1400                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1401                 ], [
1402                         # No multicast support
1403                         AC_MSG_RESULT(no)
1404                 ])
1405         ])
1406         AC_CHECK_FUNCS(GetProcessId)
1407 fi
1408
1409 dnl socklen_t check
1410 AC_MSG_CHECKING(for socklen_t)
1411 AC_TRY_COMPILE([
1412 #include <sys/types.h>
1413 #include <sys/socket.h>
1414 ],[
1415   socklen_t foo;
1416 ],[
1417 ac_cv_c_socklen_t=yes
1418         AC_DEFINE(HAVE_SOCKLEN_T)
1419         AC_MSG_RESULT(yes)
1420 ],[
1421         AC_MSG_RESULT(no)
1422 ])
1423
1424 AC_MSG_CHECKING(for array element initalizer support)
1425 AC_TRY_COMPILE([#include <sys/socket.h>], [
1426         const int array[] = {[1] = 2,};
1427 ], [
1428         # Yes, we have it...
1429         AC_MSG_RESULT(yes)
1430         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1431 ], [
1432         # We'll have to use signals
1433         AC_MSG_RESULT(no)
1434 ])
1435
1436 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1437         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1438         AC_TRY_LINK([#include <math.h>],
1439         [ static void *p = &trunc; ],
1440         [
1441                 AC_DEFINE(HAVE_TRUNC)
1442                 AC_MSG_RESULT(yes)
1443                 ac_cv_trunc=yes
1444         ],
1445         AC_MSG_RESULT(no)))
1446
1447 if test "x$ac_cv_truncl" != "xyes"; then
1448    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1449 fi
1450
1451 dnl ****************************
1452 dnl *** Look for /dev/random ***
1453 dnl ****************************
1454
1455 AC_MSG_CHECKING([if usage of random device is requested])
1456 AC_ARG_ENABLE(dev-random,
1457 [  --disable-dev-random    disable the use of the random device],
1458 try_dev_random=$enableval, try_dev_random=yes)
1459 AC_MSG_RESULT($try_dev_random)
1460
1461 case "{$target}" in
1462     *-openbsd*)
1463     NAME_DEV_RANDOM="/dev/srandom"
1464     ;;
1465
1466 dnl Win32 does not have /dev/random, they have their own method...
1467
1468     *-*-mingw*|*-*-cygwin*)
1469     ac_cv_have_dev_random=no
1470     ;;
1471
1472 dnl Everywhere else, it's /dev/random
1473
1474     *)
1475     NAME_DEV_RANDOM="/dev/random"
1476     ;;
1477 esac
1478
1479 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1480
1481 dnl Now check if the device actually exists
1482
1483 if test "x$try_dev_random" = "xyes"; then
1484     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1485     [if test -r "$NAME_DEV_RANDOM" ; then
1486         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1487     if test "x$ac_cv_have_dev_random" = "xyes"; then
1488         AC_DEFINE(HAVE_CRYPT_RNG)
1489     fi
1490 else
1491     AC_MSG_CHECKING(for random device)
1492     ac_cv_have_dev_random=no
1493     AC_MSG_RESULT(has been disabled)
1494 fi
1495
1496 if test "x$platform_win32" = "xyes"; then
1497     AC_DEFINE(HAVE_CRYPT_RNG)
1498 fi
1499
1500 if test "x$ac_cv_have_dev_random" = "xno" \
1501     && test "x$platform_win32" = "xno"; then
1502     AC_MSG_WARN([[
1503 ***
1504 *** A system-provided entropy source was not found on this system.
1505 *** Because of this, the System.Security.Cryptography random number generator
1506 *** will throw a NotImplemented exception.
1507 ***
1508 *** If you are seeing this message, and you know your system DOES have an
1509 *** entropy collection in place, please contact <crichton@gimp.org> and
1510 *** provide information about the system and how to access the random device.
1511 ***
1512 *** Otherwise you can install either egd or prngd and set the environment
1513 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1514 ***]])
1515 fi
1516
1517 AC_MSG_CHECKING([if inter-process shared handles are requested])
1518 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1519 AC_MSG_RESULT($try_shared_handles)
1520 if test "x$try_shared_handles" != "xyes"; then
1521         AC_DEFINE(DISABLE_SHARED_HANDLES)
1522         AC_SUBST(DISABLE_SHARED_HANDLES)
1523 fi
1524
1525 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1526 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1527
1528 TARGET="unknown"
1529 ACCESS_UNALIGNED="yes"
1530
1531 JIT_SUPPORTED=no
1532 INTERP_SUPPORTED=no
1533 LIBC="libc.so.6"
1534 INTL="libc.so.6"
1535 SQLITE="libsqlite.so.0"
1536 SQLITE3="libsqlite3.so.0"
1537 X11="libX11.so"
1538
1539 jit_wanted=false
1540 interp_wanted=false
1541 case "$host" in
1542 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1543 #               TARGET=MIPS;
1544 #               ACCESS_UNALIGNED="no"
1545 #               ;;
1546         mips*)
1547                 TARGET=MIPS;
1548                 arch_target=mips;
1549                 ACCESS_UNALIGNED="no"
1550                 JIT_SUPPORTED=yes
1551                 jit_wanted=true
1552                 ;;
1553         i*86-*-*)
1554                 TARGET=X86;
1555                 arch_target=x86;
1556                 JIT_SUPPORTED=yes
1557                 jit_wanted=true
1558                 case $host_os in
1559                   solaris*)
1560                         LIBC="libc.so"
1561                         INTL="libintl.so"
1562
1563                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1564                         # int astruct __attribute__ ((visibility ("hidden")));
1565                         # void foo ()
1566                         # {
1567                         #       void *p = &astruct;
1568                         # }
1569                         # gcc -fPIC --shared -o libfoo.so foo.c
1570                         # yields:
1571                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1572                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1573                         have_visibility_hidden=no
1574
1575                         libmono_ldflags="$libmono_ldflags $LIBS"
1576                 esac
1577                 ;;
1578         x86_64-*-* | amd64-*-*)
1579                 TARGET=AMD64;
1580                 arch_target=amd64;
1581                 JIT_SUPPORTED=yes
1582                 jit_wanted=true
1583                 ;;
1584         ia64-*-*)
1585                 TARGET=IA64
1586                 arch_target=ia64
1587                 ACCESS_UNALIGNED="no"
1588                 JIT_SUPPORTED=yes
1589                 jit_wanted=true
1590                 LIBC="libc.so.6.1"
1591                 INTL="libc.so.6.1"
1592                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1593                 libmono_ldflags="-lunwind"
1594                 ;;
1595         sparc*-*-*)
1596                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1597                    TARGET=SPARC64
1598                 else
1599                         TARGET=SPARC
1600                 fi
1601                 arch_target=sparc;
1602                 JIT_SUPPORTED=yes
1603                 ACCESS_UNALIGNED="no"
1604                 case $host_os in
1605                   linux*) ;;
1606                   *)
1607                         LIBC="libc.so"
1608                         INTL="libintl.so"
1609                         libmono_ldflags="$libmono_ldflags $LIBS"
1610                 esac
1611                 jit_wanted=true
1612                 if test x"$GCC" = xyes; then
1613                         # We don't support v8 cpus
1614                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1615                 fi
1616                 if test x"$AR" = xfalse; then
1617                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1618                 fi
1619                 ;;
1620        alpha*-*-linux* | alpha*-*-osf*)
1621                 TARGET=ALPHA;
1622                 ACCESS_UNALIGNED="no"
1623                 JIT_SUPPORTED=yes
1624                 jit_wanted=true
1625                 arch_target=alpha;
1626                 CFLAGS="$CFLAGS -mieee"
1627                 case $host_os in
1628                   linux*)
1629                         LIBC="libc.so.6.1"
1630                         INTL="libc.so.6.1"
1631                 esac
1632                ;;
1633         *-*-mingw*|*-*-cygwin*)
1634                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1635                 have_visibility_hidden=no
1636                 INTL="intl"
1637                 ;;
1638         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1639                 TARGET=HPPA;
1640                 arch_target=hppa;
1641                 LIBC="libc.sl"
1642                 ACCESS_UNALIGNED="no"
1643                 INTERP_SUPPORTED=yes
1644                 interp_wanted=true
1645                 ;;
1646         hppa*linux*)
1647                 TARGET=HPPA;
1648                 arch_target=hppa;
1649                 ACCESS_UNALIGNED="no"
1650                 INTERP_SUPPORTED=yes
1651                 interp_wanted=true
1652                 ;;
1653         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1654         powerpc-*-sysv* | powerpc-*-darwin*)
1655                 TARGET=POWERPC;
1656                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1657                 arch_target=ppc;
1658                 JIT_SUPPORTED=yes
1659                 jit_wanted=true
1660                 ;;
1661         arm*-linux*)
1662                 TARGET=ARM;
1663                 arch_target=arm;
1664                 ACCESS_UNALIGNED="no"
1665                 JIT_SUPPORTED=yes
1666                 jit_wanted=true
1667                 ;;
1668         s390-*-linux*)
1669                 TARGET=S390;
1670                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1671                 arch_target=s390;
1672                 ACCESS_UNALIGNED="no"
1673                 JIT_SUPPORTED=yes
1674                 jit_wanted=true
1675                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1676                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1677                 ;;
1678         s390x-*-linux*)
1679                 TARGET=S390x;
1680                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1681                 arch_target=s390x;
1682                 ACCESS_UNALIGNED="no"
1683                 JIT_SUPPORTED=yes
1684                 jit_wanted=true
1685                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1686                 ;;
1687 esac
1688
1689 if test "x$have_visibility_hidden" = "xyes"; then
1690    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1691 fi
1692
1693 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1694         if test x$withval = xyes; then
1695            jit_wanted=true
1696         else
1697            jit_wanted=false
1698         fi
1699 ])
1700
1701 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1702         if test x$withval = xyes; then
1703            interp_wanted=true
1704         else
1705            interp_wanted=false
1706         fi
1707 ])
1708
1709 USEJIT=false
1710 if test x$JIT_SUPPORTED = xyes; then
1711    if $jit_wanted; then
1712       USEJIT=true
1713       jit_status="Building and using the JIT"
1714    else
1715       if $interp_wanted; then
1716          jit_status="Building the JIT, defaulting to the interpreter"
1717       else
1718          AC_ERROR(No JIT or interpreter support available or selected.)
1719       fi
1720    fi
1721 else
1722    if test x$interp_wanted = xtrue; then
1723       jit_status="interpreter"
1724    else
1725       AC_ERROR(No JIT or interpreter support available or selected.)
1726    fi
1727 fi
1728
1729 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1730
1731 libsuffix=".so"
1732
1733 case "$host" in
1734      *-*-darwin*)
1735         libsuffix=".dylib"
1736         LIBC="libc.dylib"
1737         INTL="libintl.dylib"
1738         SQLITE="libsqlite.0.dylib"
1739         SQLITE3="libsqlite3.0.dylib"
1740         X11="libX11.dylib"
1741         ;;
1742      *-*-*netbsd*)
1743         LIBC="libc.so.12"
1744         INTL="libintl.so.0"
1745         ;;
1746     *-*-*freebsd*)
1747         LIBC="libc.so"
1748         INTL="libintl.so"
1749         ;;
1750     *-*-*openbsd*)
1751         LIBC="libc.so"
1752         INTL="libintl.so"
1753         ;;
1754     *-*-*linux*)
1755         AC_PATH_X
1756         AC_MSG_CHECKING(for the soname of libX11.so)
1757         for i in $x_libraries /usr/lib /usr/lib64; do
1758                 for r in 4 5 6; do
1759                         if test -f $i/libX11.so.$r; then
1760                                 X11=libX11.so.$r
1761                                 AC_MSG_RESULT($X11)
1762                         fi
1763                 done
1764         done
1765
1766         if test "x$X11" = "xlibX11.so"; then
1767                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1768         fi
1769         ;;
1770 esac
1771
1772
1773 AC_SUBST(libsuffix)
1774
1775 if test "x$TARGET" != "xAMD64"; then
1776    # valgrind headers don't compile under x86-64
1777    AC_CHECK_HEADERS(valgrind/memcheck.h)
1778 fi
1779
1780 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1781         if test "x$with_tls" = "x__thread"; then
1782                 #
1783                 # On some linux distributions, TLS works in executables, but linking
1784                 # against a shared library containing TLS fails with:
1785                 # undefined reference to `__tls_get_addr'
1786                 #
1787                 rm -f conftest.c conftest.so conftest
1788                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1789                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1790                 $CC -o conftest conftest.so > /dev/null 2>&1
1791                 if test ! -f conftest; then
1792                    AC_MSG_WARN([Disabling usage of __thread.]);
1793                    with_tls=pthread
1794                 fi
1795                 rm -f conftest.c conftest.so conftest
1796         fi
1797 fi
1798
1799 mono_debugger_supported=no
1800 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1801         if test x$use_included_gc = xyes; then
1802                 case "$host" in
1803                 *-*-*linux*)
1804                         mono_debugger_supported=yes
1805                         ;;
1806                 esac
1807         fi
1808 fi
1809
1810 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1811 if test "x$mono_debugger_supported" = "xyes"; then
1812         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1813 fi
1814 AC_MSG_RESULT($mono_debugger_supported)
1815 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1816
1817 if test "x$with_tls" = "x__thread"; then
1818         AC_DEFINE(HAVE_KW_THREAD)
1819         # Pass the information to libgc
1820         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1821         AC_MSG_CHECKING(if the tls_model attribute is supported)
1822         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1823                 ], [
1824                         AC_MSG_RESULT(yes)
1825                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1826                 ], [
1827                         AC_MSG_RESULT(no)
1828         ])
1829 fi
1830
1831 if test ${TARGET} = ARM; then
1832         dnl ******************************************
1833         dnl *** Check to see what FPU is available ***
1834         dnl ******************************************
1835         AC_MSG_CHECKING(which FPU to use)
1836
1837         AC_TRY_COMPILE([], [
1838                 __asm__ ("ldfd f0, [r0]");
1839                 ], fpu=FPA, [
1840                         AC_TRY_COMPILE([], [
1841                                 __asm__ ("fldd d0, [r0]");
1842                         ], fpu=VFP, fpu=NONE)
1843                 ])
1844
1845         AC_MSG_RESULT($fpu)
1846         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1847         unset fpu
1848 fi
1849
1850 if test ${TARGET} = unknown; then
1851         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1852         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1853 fi
1854
1855 if test ${ACCESS_UNALIGNED} = no; then
1856         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1857 fi
1858
1859 PREVIEW=yes
1860 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1861         if test x$with_preview = xno; then
1862               PREVIEW=no
1863         fi
1864 ])
1865
1866 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1867
1868 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1869 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1870 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1871 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1872 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1873 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1874 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1875 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1876 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1877 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1878 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1879 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1880 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1881 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1882 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1883
1884 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1885 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1886 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1887
1888 AC_SUBST(LIBC)
1889 AC_SUBST(INTL)
1890 AC_SUBST(SQLITE)
1891 AC_SUBST(SQLITE3)
1892 AC_SUBST(X11)
1893
1894 AC_SUBST(arch_target)
1895 AC_SUBST(CFLAGS)
1896 AC_SUBST(CPPFLAGS)
1897 AC_SUBST(LDFLAGS)
1898
1899 mono_build_root=`pwd`
1900 AC_SUBST(mono_build_root)
1901
1902 if test x$USEJIT = xtrue; then
1903   mono_runtime=mono/mini/mono
1904 else
1905   mono_runtime=mono/interpreter/mint
1906 fi
1907 AC_SUBST(mono_runtime)
1908
1909 mono_cfg_root=$mono_build_root/runtime
1910 if test x$platform_win32 = xyes; then
1911   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1912 else
1913   mono_cfg_dir=$mono_cfg_root/etc
1914 fi
1915 AC_SUBST(mono_cfg_dir)
1916
1917 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1918 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1919 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1920
1921 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1922 [   depth=../../../..
1923     case $srcdir in
1924     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1925     .) reldir=$depth ;;
1926     *) reldir=$depth/$srcdir ;;
1927     esac
1928     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1929     cd runtime/etc/mono/1.0
1930     rm -f machine.config
1931     $LN_S $reldir/data/net_1_1/machine.config machine.config
1932     cd $depth
1933 ],[LN_S='$LN_S'])
1934
1935 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1936 [   depth=../../../..
1937     case $srcdir in
1938     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1939     .) reldir=$depth ;;
1940     *) reldir=$depth/$srcdir ;;
1941     esac
1942     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1943     cd runtime/etc/mono/2.0
1944     rm -f machine.config
1945     $LN_S $reldir/data/net_2_0/machine.config machine.config
1946     cd $depth
1947 ],[LN_S='$LN_S'])
1948
1949 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1950 [   depth=../../../..
1951     case $srcdir in
1952     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1953     .) reldir=$depth ;;
1954     *) reldir=$depth/$srcdir ;;
1955     esac
1956     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1957     cd runtime/etc/mono/2.0
1958     rm -f web.config
1959     $LN_S $reldir/data/net_2_0/web.config web.config
1960     cd $depth
1961 ],[LN_S='$LN_S'])
1962
1963 AC_OUTPUT([
1964 Makefile
1965 mint.pc
1966 mono.pc
1967 mono-cairo.pc
1968 dotnet.pc
1969 mono-uninstalled.pc
1970 scripts/mono-nunit.pc
1971 scripts/mono-find-provides
1972 scripts/mono-find-requires
1973 mono/Makefile
1974 mono/utils/Makefile
1975 mono/metadata/Makefile
1976 mono/dis/Makefile
1977 mono/cil/Makefile
1978 mono/arch/Makefile
1979 mono/os/Makefile
1980 mono/arch/x86/Makefile
1981 mono/arch/amd64/Makefile
1982 mono/arch/hppa/Makefile
1983 mono/arch/ppc/Makefile
1984 mono/arch/sparc/Makefile
1985 mono/arch/s390/Makefile
1986 mono/arch/s390x/Makefile
1987 mono/arch/arm/Makefile
1988 mono/arch/alpha/Makefile
1989 mono/arch/ia64/Makefile
1990 mono/arch/mips/Makefile
1991 mono/interpreter/Makefile
1992 mono/tests/Makefile
1993 mono/tests/tests-config
1994 mono/tests/cas/Makefile
1995 mono/tests/cas/assembly/Makefile
1996 mono/tests/cas/demand/Makefile
1997 mono/tests/cas/inheritance/Makefile
1998 mono/tests/cas/linkdemand/Makefile
1999 mono/tests/cas/threads/Makefile
2000 mono/benchmark/Makefile
2001 mono/monoburg/Makefile
2002 mono/monograph/Makefile
2003 mono/io-layer/Makefile
2004 mono/mini/Makefile
2005 mono/profiler/Makefile
2006 ikvm-native/Makefile
2007 scripts/Makefile
2008 man/Makefile
2009 web/Makefile
2010 docs/Makefile
2011 data/Makefile
2012 data/net_1_1/Makefile
2013 data/net_2_0/Makefile
2014 samples/Makefile
2015 support/Makefile
2016 data/config
2017 tools/Makefile
2018 tools/locale-builder/Makefile
2019 runtime/Makefile
2020 ])
2021
2022 if test x$platform_win32 = xyes; then
2023    # Get rid of 'cyg' prefixes in library names
2024    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2025    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2026    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2027    # executable doesn't work...
2028    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2029 fi
2030
2031 (
2032   case $prefix in
2033   NONE) prefix=$ac_default_prefix ;;
2034   esac
2035   case $exec_prefix in
2036   NONE) exec_prefix='${prefix}' ;;
2037   esac
2038
2039   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2040
2041   #
2042   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2043   # any existing config.make.  This allows people to share the same source tree
2044   # with different build directories, one native and one cross
2045   #
2046   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2047     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2048     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2049     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2050     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2051     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2052     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2053     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2054
2055     case $INSTALL in
2056     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2057     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2058     esac
2059
2060     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2061
2062     export VERSION
2063     [myver=$($AWK 'BEGIN {
2064       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2065       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2066     }')]
2067
2068     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2069   fi
2070 )
2071
2072 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2073
2074 echo "
2075         mcs source:  $mcs_topdir
2076         GC:          $gc
2077         TLS:         $with_tls
2078         SIGALTSTACK: $with_sigaltstack
2079         Engine:      $jit_status
2080         2.0 Alpha:   $PREVIEW
2081         JNI support: $jdk_headers_found
2082         libgdiplus:  $libgdiplus_msg
2083         $disabled
2084
2085 "
2086 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2087    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2088 fi
2089
2090 if test x$have_zlib = xno; then
2091    AC_MSG_WARN(ZLib devel files not available, compression file support in 2.0 won't work.)
2092 fi
2093
2094 if test x$gc = xsgen; then
2095         echo IMPORTANT:
2096         echo IMPORTANT: You have selected an experimental, work-in-progress
2097         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2098         echo IMPORTANT: and is not yet ready for use.
2099         echo IMPORTANT:
2100         echo IMPORTANT: There are known problems with it, use at your own risk.
2101 fi