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="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 223                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess"
 224                 libmono_cflags="-D_THREAD_SAFE"
 225                 LDFLAGS="$LDFLAGS -pthread"
 226                 libmono_ldflags="-pthread"
 227                 need_link_unlink=yes
 228                 AC_DEFINE(PTHREAD_POINTER_ID)
 229                 AC_DEFINE(USE_MACH_SEMA)
 230                 no_version_script=yes
 231                 libdl=
 232                 libgc_threads=pthreads
 233                 ;;
 234         *)
 235                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 236                 platform_win32=no
 237                 libdl="-ldl"
 238                 ;;
 239 esac
 240 AC_MSG_RESULT(ok)
 241
 242 if test x$need_link_unlink = xyes; then
 243    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 244 fi
 245
 246 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 247
 248 AC_CHECK_TOOL(CC, gcc, gcc)
 249 AC_PROG_CC
 250 AM_PROG_CC_STDC
 251 AC_PROG_INSTALL
 252 AC_PROG_AWK
 253 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 254 : ${CCAS='$(CC)'}
 255 # Set ASFLAGS if not already set.
 256 : ${CCASFLAGS='$(CFLAGS)'}
 257 AC_SUBST(CCAS)
 258 AC_SUBST(CCASFLAGS)
 259
 260 AC_CHECK_PROG(BISON, bison,yes,no)
 261 if test "x$BISON" = "xno";
 262 then
 263         AC_MSG_ERROR([You need to install bison])
 264 fi
 265
 266 dnl may require a specific autoconf version
 267 dnl AC_PROG_CC_FOR_BUILD
 268 dnl CC_FOR_BUILD not automatically detected
 269 CC_FOR_BUILD=$CC
 270 CFLAGS_FOR_BUILD=$CFLAGS
 271 BUILD_EXEEXT=
 272 if test "x$cross_compiling" = "xyes"; then
 273         CC_FOR_BUILD=cc
 274         CFLAGS_FOR_BUILD=
 275         BUILD_EXEEXT=""
 276 fi
 277 AC_SUBST(CC_FOR_BUILD)
 278 AC_SUBST(CFLAGS_FOR_BUILD)
 279 AC_SUBST(HOST_CC)
 280 AC_SUBST(BUILD_EXEEXT)
 281
 282 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 283
 284 # Set STDC_HEADERS
 285 AC_HEADER_STDC
 286 AC_LIBTOOL_WIN32_DLL
 287 # This causes monodis to not link correctly
 288 #AC_DISABLE_FAST_INSTALL
 289 AM_PROG_LIBTOOL
 290
 291 # Test whenever ld supports -version-script
 292 AC_PROG_LD
 293 AC_PROG_LD_GNU
 294 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 295    no_version_script=yes
 296 fi
 297
 298 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 299
 300 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 301
 302 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 303 if test x$have_zlib = xyes; then
 304    AC_TRY_COMPILE([#include <zlib.h>], [
 305    void main () {
 306    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 307    }
 308    #else
 309    #error No good zlib found
 310    #endif
 311    ],[
 312         AC_MSG_RESULT(Using system zlib)
 313         zlib_msg="system zlib"
 314    ],[
 315         AC_MSG_RESULT(Using embedded zlib)
 316         have_zlib=no
 317         zlib_msg="bundled zlib"
 318    ])
 319 fi
 320
 321 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 322 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 323
 324 # for mono/metadata/debug-symfile.c
 325 AC_CHECK_HEADERS(elf.h)
 326
 327 # for support
 328 AC_CHECK_HEADERS(poll.h)
 329 AC_CHECK_HEADERS(sys/poll.h)
 330 AC_CHECK_HEADERS(sys/wait.h)
 331 AC_CHECK_HEADERS(grp.h)
 332 AC_CHECK_HEADERS(syslog.h)
 333
 334 # for mono/dis
 335 AC_CHECK_HEADERS(wchar.h)
 336 case "$host" in
 337         *-*-*freebsd6*)
 338                 AC_CHECK_HEADERS(ieeefp.h)
 339         ;;
 340         *-*-*freebsd*)
 341                 /* Only freebsd6 has a working ieeefp.h */
 342         ;;
 343         *)
 344                 AC_CHECK_HEADERS(ieeefp.h)
 345         ;;
 346 esac
 347 AC_MSG_CHECKING(for isinf)
 348 AC_TRY_LINK([#include <math.h>], [
 349         int f = isinf (1);
 350 ], [
 351         AC_MSG_RESULT(yes)
 352         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 353 ], [
 354         # We'll have to use signals
 355         AC_MSG_RESULT(no)
 356 ])
 357
 358
 359 # not 64 bit clean in cross-compile
 360 AC_CHECK_SIZEOF(void *, 4)
 361
 362 WARN=''
 363 if test x"$GCC" = xyes; then
 364         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 365                 # The runtime code does not respect ANSI C strict aliasing rules
 366                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 367
 368                 ORIG_CFLAGS=$CFLAGS
 369                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 370                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 371                 AC_TRY_COMPILE([], [
 372                                                    void main () { }
 373                 ], [
 374                    AC_MSG_RESULT(yes)
 375                 ], [
 376                    AC_MSG_RESULT(no)
 377                    CFLAGS=$ORIG_CFLAGS
 378                 ])
 379 else
 380         # The Sun Forte compiler complains about inline functions that access static variables
 381         # so disable all inlining.
 382         case "$host" in
 383         *-*-solaris*)
 384                 CFLAGS="$CFLAGS -Dinline="
 385                 ;;
 386         esac
 387 fi
 388 CFLAGS="$CFLAGS -g $WARN"
 389
 390 # Where's the 'mcs' source tree?
 391 if test -d $srcdir/mcs; then
 392   mcsdir=mcs
 393 else
 394   mcsdir=../mcs
 395 fi
 396
 397 mcs_topdir='$(top_srcdir)/'$mcsdir
 398 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 399
 400 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 401 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 402
 403 AC_SUBST([mcs_topdir])
 404 AC_SUBST([mcs_topdir_from_srcdir])
 405
 406 AC_ARG_WITH([libgdiplus],
 407         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 408         [], [with_libgdiplus=installed])
 409
 410 case $with_libgdiplus in
 411 no|installed) libgdiplus_loc= ;;
 412 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 413 /*) libgdiplus_loc=$with_libgdiplus ;;
 414 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 415 esac
 416 AC_SUBST([libgdiplus_loc])
 417
 418 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 419 if test "x$PKG_CONFIG" = "xno"; then
 420         AC_MSG_ERROR([You need to install pkg-config])
 421 fi
 422
 423 pkg_config_path=
 424 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 425         if test x$with_crosspkgdir = "x"; then
 426                 if test -s $PKG_CONFIG_PATH; then
 427                         pkg_config_path=$PKG_CONFIG_PATH
 428                 fi
 429         else
 430                 pkg_config_path=$with_crosspkgdir
 431                 PKG_CONFIG_PATH=$pkg_config_path
 432                 export PKG_CONFIG_PATH
 433         fi
 434 )
 435
 436 AC_ARG_WITH([glib],
 437         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 438         [], [with_glib=system])
 439
 440 case $with_glib in
 441 embedded)
 442   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 443   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 444   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 445   BUILD_GLIB_LIBS="$GLIB_LIBS"
 446   AC_CONFIG_SUBDIRS(eglib)
 447   ;;
 448 system)
 449   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 450   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 451
 452   ## Versions of dependencies
 453   GLIB_REQUIRED_VERSION=1.3.11
 454
 455   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 456
 457   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 458   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 459   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 460   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 461   ;;
 462 *)
 463   AC_MSG_ERROR([Invalid argument to --with-glib.])
 464 esac
 465 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 466
 467 AC_SUBST(GLIB_CFLAGS)
 468 AC_SUBST(GLIB_LIBS)
 469 AC_SUBST(GMODULE_CFLAGS)
 470 AC_SUBST(GMODULE_LIBS)
 471 AC_SUBST(BUILD_GLIB_CFLAGS)
 472 AC_SUBST(BUILD_GLIB_LIBS)
 473
 474 if test x$cross_compiling$platform_win32 = xnoyes; then
 475    AC_MSG_CHECKING(for cygwin glib2-dev package)
 476    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 477       AC_MSG_RESULT(found)
 478           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.])
 479    else
 480       AC_MSG_RESULT(not found, ok)
 481    fi
 482
 483    AC_MSG_CHECKING(for broken gwin32.h)
 484    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 485    if test -f $glib_include/glib/gwin32.h; then
 486           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 487                  AC_MSG_RESULT(failed)
 488                  hashmark='#'
 489                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 490           fi
 491    fi
 492    AC_MSG_RESULT(ok)
 493 fi
 494
 495 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 496
 497 # Enable support for fast thread-local storage
 498 # Some systems have broken support, so we allow to disable it.
 499 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 500
 501 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 502 # This does not work on some platforms (bug #55253)
 503 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 504
 505 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 506
 507 if test "x$enable_static" = "xno"; then
 508    with_static_mono=no
 509 fi
 510
 511 if test "x$platform_win32" = "xyes"; then
 512    # Boehm GC requires the runtime to be in its own dll
 513    with_static_mono=no
 514 fi
 515
 516 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 517 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 518
 519 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 520 if test "x$with_xen_opt" = "xyes"; then
 521         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 522         ORIG_CFLAGS=$CFLAGS
 523         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 524         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 525         AC_TRY_COMPILE([], [
 526                                            void main () { }
 527         ], [
 528            AC_MSG_RESULT(yes)
 529         ], [
 530            AC_MSG_RESULT(no)
 531            CFLAGS=$ORIG_CFLAGS
 532         ])
 533 fi
 534
 535 DISABLED_FEATURES=none
 536
 537 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 538   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 539   reflection_emit, large_code, logging, com, ssa, generics.],
 540 [
 541         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 542                 eval "mono_feature_disable_$feature='yes'"
 543                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 544         done
 545         DISABLED_FEATURES=$enable_minimal
 546         disabled="Disabled:    $enable_minimal"
 547 ],[])
 548
 549 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 550
 551 if test "x$mono_feature_disable_aot" = "xyes"; then
 552         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 553 fi
 554
 555 if test "x$mono_feature_disable_profiler" = "xyes"; then
 556         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 557 fi
 558
 559 if test "x$mono_feature_disable_decimal" = "xyes"; then
 560         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 561 fi
 562
 563 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 564         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 565 fi
 566
 567 if test "x$mono_feature_disable_debug" = "xyes"; then
 568         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 569 fi
 570
 571 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 572         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 573 fi
 574
 575 if test "x$mono_feature_disable_large_code" = "xyes"; then
 576         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 577 fi
 578
 579 if test "x$mono_feature_disable_logging" = "xyes"; then
 580         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 581 fi
 582
 583 if test "x$mono_feature_disable_com" = "xyes"; then
 584         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 585 fi
 586
 587 if test "x$mono_feature_disable_ssa" = "xyes"; then
 588         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 589 fi
 590
 591 if test "x$mono_feature_disable_generics" = "xyes"; then
 592         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 593 fi
 594
 595 AC_MSG_CHECKING(for visibility __attribute__)
 596 AC_TRY_COMPILE([], [
 597    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 598    void main () { doit (); }
 599 ], [
 600    have_visibility_hidden=yes
 601    AC_MSG_RESULT(yes)
 602 ], [
 603    have_visibility_hidden=no
 604    AC_MSG_RESULT(no)
 605 ])
 606
 607 LIBGC_CFLAGS=
 608 LIBGC_LIBS=
 609 LIBGC_STATIC_LIBS=
 610 libgc_dir=
 611 case "x$gc" in
 612         xboehm|xbohem|xyes)
 613                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 614                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 615
 616                 if test "x$found_boehm" != "xyes"; then
 617                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 618                 fi
 619                 if test "x$gc_headers" != "xyes"; then
 620                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 621                 fi
 622
 623                 AC_DEFINE(HAVE_BOEHM_GC)
 624                 AC_SUBST(HAVE_BOEHM_GC)
 625                 LIBGC_LIBS="-lgc $libdl"
 626                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 627
 628                 # AC_CHECK_FUNCS does not work for some reason...
 629                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 630                 if test "x$found_gcj_malloc" = "xyes"; then
 631                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 632                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 633                 else
 634                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 635                 fi
 636                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 637                 if test "x$found_gc_enable" = "xyes"; then
 638                         AC_DEFINE(HAVE_GC_ENABLE)
 639                 fi
 640                 ;;
 641
 642         xincluded)
 643                 AC_CONFIG_SUBDIRS(libgc)
 644
 645                 # Pass CPPFLAGS to libgc configure
 646                 # Maybe we should use a separate variable for this to avoid passing useless and
 647                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 648                 export CPPFLAGS
 649
 650                 found_boehm=yes
 651                 gc_headers=yes
 652                 use_included_gc=yes
 653                 libgc_dir=libgc
 654
 655                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 656                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 657                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 658
 659                 AC_DEFINE(HAVE_BOEHM_GC)
 660                 AC_SUBST(HAVE_BOEHM_GC)
 661
 662                 AC_DEFINE(HAVE_GC_H)
 663                 AC_DEFINE(USE_INCLUDED_LIBGC)
 664
 665                 # The included libgc contains GCJ support
 666                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 667                 AC_DEFINE(HAVE_GC_ENABLE)
 668                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 669                 ;;
 670
 671         xsgen)
 672                 found_boehm=no
 673                 gc_headers=no
 674                 use_included_gc=no
 675                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 676                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 677                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 678                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 679                 ;;
 680
 681         xnone)
 682                 AC_MSG_WARN("Compiling mono without GC.")
 683                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 684                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 685                 ;;
 686         *)
 687                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 688                 ;;
 689 esac
 690
 691 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 692 if test "x$large_heap" = "xyes"; then
 693    echo "FOO"
 694    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 695 fi
 696
 697 # tell libgc/configure about what we want
 698 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 699
 700 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 701 AC_SUBST(LIBGC_CFLAGS)
 702 AC_SUBST(LIBGC_LIBS)
 703 AC_SUBST(LIBGC_STATIC_LIBS)
 704 AC_SUBST(libgc_dir)
 705
 706 dnl
 707 dnl End of libgc checks
 708 dnl
 709
 710 if test x$platform_win32 = xno; then
 711
 712         dnl dynamic loader support
 713         AC_CHECK_FUNC(dlopen, DL_LIB="",
 714                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 715         )
 716         if test x$dl_support = xno; then
 717                 AC_MSG_WARN([No dynamic loading support available])
 718         else
 719                 LIBS="$LIBS $DL_LIB"
 720                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 721                 dnl from glib's configure.in
 722                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 723                         mono_cv_uscore,[
 724                         AC_TRY_RUN([#include <dlfcn.h>
 725                         int mono_underscore_test (void) { return 42; }
 726                         int main() {
 727                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 728                           handle = dlopen ((void*)0, 0);
 729                           if (handle) {
 730                             f1 = dlsym (handle, "mono_underscore_test");
 731                             f2 = dlsym (handle, "_mono_underscore_test");
 732                           } return (!f2 || f1);
 733                         }],
 734                                 [mono_cv_uscore=yes],
 735                                 [mono_cv_uscore=no],
 736                         [])
 737                 ])
 738                 if test "x$mono_cv_uscore" = "xyes"; then
 739                         MONO_DL_NEED_USCORE=1
 740                 else
 741                         MONO_DL_NEED_USCORE=0
 742                 fi
 743                 AC_SUBST(MONO_DL_NEED_USCORE)
 744                 AC_CHECK_FUNC(dlerror)
 745         fi
 746
 747         dnl ******************************************************************
 748         dnl *** Checks for the IKVM JNI interface library                  ***
 749         dnl ******************************************************************
 750         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 751
 752         ikvm_native_dir=
 753         if test x$with_ikvm_native = xyes; then
 754                 ikvm_native_dir=ikvm-native
 755                 jdk_headers_found="IKVM Native"
 756         fi
 757
 758         AC_SUBST(ikvm_native_dir)
 759
 760         AC_CHECK_HEADERS(execinfo.h)
 761
 762         AC_CHECK_FUNCS(getgrgid_r)
 763         AC_CHECK_FUNCS(getgrnam_r)
 764         AC_CHECK_FUNCS(getpwnam_r)
 765         AC_CHECK_FUNCS(getpwuid_r)
 766         AC_CHECK_FUNCS(getresuid)
 767         AC_CHECK_FUNCS(setresuid)
 768         AC_CHECK_FUNCS(kqueue)
 769         AC_CHECK_FUNCS(backtrace_symbols)
 770         AC_CHECK_FUNCS(mkstemp)
 771         AC_CHECK_FUNCS(mmap)
 772         AC_CHECK_FUNCS(madvise)
 773
 774         dnl ******************************************************************
 775         dnl *** Check for large file support                               ***
 776         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 777         dnl ******************************************************************
 778
 779         # Check that off_t can represent 2**63 - 1 correctly, working around
 780         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 781         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 782         large_offt=no
 783         AC_DEFUN([LARGE_FILES], [
 784                 large_CPPFLAGS=$CPPFLAGS
 785                 CPPFLAGS="$CPPFLAGS $1"
 786                 AC_TRY_RUN([
 787                         #include <sys/types.h>
 788
 789                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 790
 791                         int main(void) {
 792                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 793                                                (BIG_OFF_T%2147483647==1));
 794                                 if(big_off_t) {
 795                                         exit(0);
 796                                 } else {
 797                                         exit(1);
 798                                 }
 799                         }
 800                 ], [
 801                         AC_MSG_RESULT(ok)
 802                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 803                         large_CPPFLAGS="$large_CPPFLAGS $1"
 804                         large_offt=yes
 805                 ], [
 806                         AC_MSG_RESULT(no)
 807                 ], "")
 808                 CPPFLAGS=$large_CPPFLAGS
 809         ])
 810
 811         AC_MSG_CHECKING(if off_t is 64 bits wide)
 812         LARGE_FILES("")
 813         if test $large_offt = no; then
 814                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 815                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 816         fi
 817         if test $large_offt = no; then
 818                 AC_MSG_WARN([No 64 bit file size support available])
 819         fi
 820
 821         dnl *****************************
 822         dnl *** Checks for libsocket  ***
 823         dnl *****************************
 824         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 825
 826         dnl *******************************
 827         dnl *** Checks for MSG_NOSIGNAL ***
 828         dnl *******************************
 829         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 830         AC_TRY_COMPILE([#include <sys/socket.h>], [
 831                 int f = MSG_NOSIGNAL;
 832         ], [
 833                 # Yes, we have it...
 834                 AC_MSG_RESULT(yes)
 835                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 836         ], [
 837                 # We'll have to use signals
 838                 AC_MSG_RESULT(no)
 839         ])
 840
 841         dnl *****************************
 842         dnl *** Checks for SOL_IP     ***
 843         dnl *****************************
 844         AC_MSG_CHECKING(for SOL_IP)
 845         AC_TRY_COMPILE([#include <netdb.h>], [
 846                 int level = SOL_IP;
 847         ], [
 848                 # Yes, we have it...
 849                 AC_MSG_RESULT(yes)
 850                 AC_DEFINE(HAVE_SOL_IP)
 851         ], [
 852                 # We'll have to use getprotobyname
 853                 AC_MSG_RESULT(no)
 854         ])
 855
 856         dnl *****************************
 857         dnl *** Checks for SOL_IPV6     ***
 858         dnl *****************************
 859         AC_MSG_CHECKING(for SOL_IPV6)
 860         AC_TRY_COMPILE([#include <netdb.h>], [
 861                 int level = SOL_IPV6;
 862         ], [
 863                 # Yes, we have it...
 864                 AC_MSG_RESULT(yes)
 865                 AC_DEFINE(HAVE_SOL_IPV6)
 866         ], [
 867                 # We'll have to use getprotobyname
 868                 AC_MSG_RESULT(no)
 869         ])
 870
 871         dnl *****************************
 872         dnl *** Checks for SOL_TCP    ***
 873         dnl *****************************
 874         AC_MSG_CHECKING(for SOL_TCP)
 875         AC_TRY_COMPILE([#include <netdb.h>], [
 876                 int level = SOL_TCP;
 877         ], [
 878                 # Yes, we have it...
 879                 AC_MSG_RESULT(yes)
 880                 AC_DEFINE(HAVE_SOL_TCP)
 881         ], [
 882                 # We'll have to use getprotobyname
 883                 AC_MSG_RESULT(no)
 884         ])
 885
 886         dnl *****************************
 887         dnl *** Checks for IP_PKTINFO ***
 888         dnl *****************************
 889         AC_MSG_CHECKING(for IP_PKTINFO)
 890         AC_TRY_COMPILE([#include <netdb.h>], [
 891                 int level = IP_PKTINFO;
 892         ], [
 893                 # Yes, we have it...
 894                 AC_MSG_RESULT(yes)
 895                 AC_DEFINE(HAVE_IP_PKTINFO)
 896         ], [
 897                 AC_MSG_RESULT(no)
 898         ])
 899
 900         dnl *****************************
 901         dnl *** Checks for IPV6_PKTINFO ***
 902         dnl *****************************
 903         AC_MSG_CHECKING(for IPV6_PKTINFO)
 904         AC_TRY_COMPILE([#include <netdb.h>], [
 905                 int level = IPV6_PKTINFO;
 906         ], [
 907                 # Yes, we have it...
 908                 AC_MSG_RESULT(yes)
 909                 AC_DEFINE(HAVE_IPV6_PKTINFO)
 910         ], [
 911                 AC_MSG_RESULT(no)
 912         ])
 913
 914         dnl **********************************
 915         dnl *** Checks for IP_DONTFRAGMENT ***
 916         dnl **********************************
 917         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
 918         AC_TRY_COMPILE([#include <netdb.h>], [
 919                 int level = IP_DONTFRAGMENT;
 920         ], [
 921                 # Yes, we have it...
 922                 AC_MSG_RESULT(yes)
 923                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
 924         ], [
 925                 AC_MSG_RESULT(no)
 926         ])
 927
 928         dnl **********************************
 929         dnl *** Checks for IP_MTU_DISCOVER ***
 930         dnl **********************************
 931         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
 932         AC_TRY_COMPILE([#include <netdb.h>], [
 933                 int level = IP_MTU_DISCOVER;
 934         ], [
 935                 # Yes, we have it...
 936                 AC_MSG_RESULT(yes)
 937                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
 938         ], [
 939                 AC_MSG_RESULT(no)
 940         ])
 941
 942         dnl *********************************
 943         dnl *** Check for struct ip_mreqn ***
 944         dnl *********************************
 945         AC_MSG_CHECKING(for struct ip_mreqn)
 946         AC_TRY_COMPILE([#include <netinet/in.h>], [
 947                 struct ip_mreqn mreq;
 948                 mreq.imr_address.s_addr = 0;
 949         ], [
 950                 # Yes, we have it...
 951                 AC_MSG_RESULT(yes)
 952                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 953         ], [
 954                 # We'll just have to try and use struct ip_mreq
 955                 AC_MSG_RESULT(no)
 956                 AC_MSG_CHECKING(for struct ip_mreq)
 957                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 958                         struct ip_mreq mreq;
 959                         mreq.imr_interface.s_addr = 0;
 960                 ], [
 961                         # Yes, we have it...
 962                         AC_MSG_RESULT(yes)
 963                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 964                 ], [
 965                         # No multicast support
 966                         AC_MSG_RESULT(no)
 967                 ])
 968         ])
 969
 970         dnl **********************************
 971         dnl *** Check for gethostbyname2_r ***
 972         dnl **********************************
 973         AC_MSG_CHECKING(for gethostbyname2_r)
 974                 AC_TRY_LINK([#include <netdb.h>], [
 975                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 976         ], [
 977                 # Yes, we have it...
 978                 AC_MSG_RESULT(yes)
 979                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 980         ], [
 981                 AC_MSG_RESULT(no)
 982         ])
 983
 984         dnl *****************************
 985         dnl *** Checks for libnsl     ***
 986         dnl *****************************
 987         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
 988
 989         AC_CHECK_FUNCS(inet_pton inet_aton)
 990
 991         dnl ***********************************************
 992         dnl *** Checks for size of sockaddr_un.sun_path ***
 993         dnl ***********************************************
 994         # AC_CHECK_SIZEOF can't cope with struct members :-(
 995         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 996         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 997                 [AC_TRY_RUN([
 998                         #include <sys/types.h>
 999                         #include <stdio.h>
1000                         #include <sys/un.h>
1001
1002                         int main(void) {
1003                                 struct sockaddr_un sock_un;
1004                                 FILE *f=fopen("conftestval", "w");
1005                                 if(!f) exit(1);
1006                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1007                                 exit(0);
1008                         }
1009                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1010                    cv_mono_sizeof_sunpath=0,
1011                    cv_mono_sizeof_sunpath=0)])dnl
1012         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1013         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1014
1015         dnl *************************************
1016         dnl *** Checks for zero length arrays ***
1017         dnl *************************************
1018         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1019         AC_TRY_COMPILE([
1020                 struct s {
1021                         int  length;
1022                         char data [0];
1023                 };
1024         ], [], [
1025                 AC_MSG_RESULT(yes)
1026                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1027         ], [
1028                 AC_MSG_RESULT(no)
1029                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1030         ])
1031
1032         dnl *****************************
1033         dnl *** Checks for libxnet    ***
1034         dnl *****************************
1035         case "${host}" in
1036                 *solaris* )
1037                         AC_MSG_CHECKING(for Solaris XPG4 support)
1038                         if test -f /usr/lib/libxnet.so; then
1039                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1040                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1041                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1042                                 LIBS="$LIBS -lxnet"
1043                                 AC_MSG_RESULT(yes)
1044                         else
1045                                 AC_MSG_RESULT(no)
1046                         fi
1047
1048                         if test "$GCC" = "yes"; then
1049                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1050                         fi
1051                 ;;
1052         esac
1053
1054         dnl *****************************
1055         dnl *** Checks for libpthread ***
1056         dnl *****************************
1057 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1058 # and libpthread does not exist
1059 #
1060         case "${host}" in
1061                 *-*-*freebsd4*)
1062                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1063                 ;;
1064                 *-*-*freebsd5*)
1065                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1066                 ;;
1067                 *-*-*freebsd6*)
1068                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1069                 ;;
1070                 *)
1071                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1072                 ;;
1073         esac
1074         AC_CHECK_HEADERS(pthread.h)
1075         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1076         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1077         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1078         AC_TRY_COMPILE([ #include <pthread.h>], [
1079                 pthread_mutexattr_t attr;
1080                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1081         ], [
1082                 AC_MSG_RESULT(ok)
1083         ], [
1084                 AC_MSG_RESULT(no)
1085                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1086                 AC_DEFINE(USE_MONO_MUTEX)
1087         ])
1088         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1089         AC_CHECK_FUNCS(pthread_attr_getstack)
1090         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1091
1092         dnl ***********************************
1093         dnl *** Checks for working __thread ***
1094         dnl ***********************************
1095         AC_MSG_CHECKING(for working __thread)
1096         if test "x$with_tls" != "x__thread"; then
1097                 AC_MSG_RESULT(disabled)
1098         else
1099                 AC_TRY_RUN([
1100                         #include <pthread.h>
1101                         __thread int i;
1102                         static int res1, res2;
1103
1104                         void thread_main (void *arg)
1105                         {
1106                                 i = arg;
1107                                 sleep (1);
1108                                 if (arg == 1)
1109                                         res1 = (i == arg);
1110                                 else
1111                                         res2 = (i == arg);
1112                         }
1113
1114                         int main () {
1115                                 pthread_t t1, t2;
1116
1117                                 i = 5;
1118
1119                                 pthread_create (&t1, NULL, thread_main, 1);
1120                                 pthread_create (&t2, NULL, thread_main, 2);
1121
1122                                 pthread_join (t1, NULL);
1123                                 pthread_join (t2, NULL);
1124
1125                                 return !(res1 + res2 == 2);
1126                         }
1127                 ], [
1128                                 AC_MSG_RESULT(yes)
1129                 ], [
1130                                 AC_MSG_RESULT(no)
1131                                 with_tls=pthread
1132                 ])
1133         fi
1134
1135         dnl **************************************
1136         dnl *** Checks for working sigaltstack ***
1137         dnl **************************************
1138         AC_MSG_CHECKING(for working sigaltstack)
1139         if test "x$with_sigaltstack" != "xyes"; then
1140                 AC_MSG_RESULT(disabled)
1141         else
1142                 AC_TRY_RUN([
1143                         #include <stdio.h>
1144                         #include <stdlib.h>
1145                         #include <unistd.h>
1146                         #include <signal.h>
1147                         #include <pthread.h>
1148                         #include <sys/wait.h>
1149                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1150                         #define SA_STACK SA_ONSTACK
1151                         #endif
1152                         static void
1153                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1154                         {
1155                                 exit (0);
1156                         }
1157
1158                         static void *
1159                         loop (void *ignored)
1160                         {
1161                                 char *ptr = NULL;
1162
1163                                 *ptr = 0;
1164                                 return NULL;
1165                         }
1166
1167                         static void
1168                         child ()
1169                         {
1170                                 struct sigaction sa;
1171                                 struct sigaltstack sas;
1172                                 pthread_t id;
1173                                 pthread_attr_t attr;
1174
1175                                 sa.sa_sigaction = sigsegv_signal_handler;
1176                                 sigemptyset (&sa.sa_mask);
1177                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1178                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1179                                         perror ("sigaction");
1180                                         return;
1181                                 }
1182
1183                                 sas.ss_sp = malloc (SIGSTKSZ);
1184                                 sas.ss_size = SIGSTKSZ;
1185                                 sas.ss_flags = 0;
1186                                 if (sigaltstack (&sas, NULL) == -1) {
1187                                         perror ("sigaltstack");
1188                                         return;
1189                                 }
1190
1191                                 pthread_attr_init (&attr);
1192                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1193                                         printf ("pthread_create\n");
1194                                         return;
1195                                 }
1196
1197                                 sleep (100);
1198                         }
1199
1200                         int
1201                         main ()
1202                         {
1203                                 pid_t son;
1204                                 int status;
1205                                 int i;
1206
1207                                 son = fork ();
1208                                 if (son == -1) {
1209                                         return 1;
1210                                 }
1211
1212                                 if (son == 0) {
1213                                         child ();
1214                                         return 0;
1215                                 }
1216
1217                                 for (i = 0; i < 3; ++i) {
1218                                         sleep (1);
1219                                         waitpid (son, &status, WNOHANG);
1220                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1221                                                 return 0;
1222                                 }
1223
1224                                 kill (son, SIGKILL);
1225                                 return 1;
1226                         }
1227
1228                 ], [
1229                                 AC_MSG_RESULT(yes)
1230                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1231                 ], [
1232                                 with_sigaltstack=no
1233                                 AC_MSG_RESULT(no)
1234                 ])
1235         fi
1236
1237         dnl ********************************
1238         dnl *** Checks for semaphore lib ***
1239         dnl ********************************
1240         # 'Real Time' functions on Solaris
1241         # posix4 on Solaris 2.6
1242         # pthread (first!) on Linux
1243         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1244
1245         dnl ********************************
1246         dnl *** Checks for timezone stuff **
1247         dnl ********************************
1248         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1249                 AC_TRY_COMPILE([
1250                         #include <time.h>
1251                         ], [
1252                         struct tm tm;
1253                         tm.tm_gmtoff = 1;
1254                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1255         if test $ac_cv_struct_tm_gmtoff = yes; then
1256                 AC_DEFINE(HAVE_TM_GMTOFF)
1257         else
1258                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1259                         AC_TRY_COMPILE([
1260                                 #include <time.h>
1261                         ], [
1262                                 timezone = 1;
1263                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1264                 if test $ac_cv_var_timezone = yes; then
1265                         AC_DEFINE(HAVE_TIMEZONE)
1266                 else
1267                         AC_ERROR(unable to find a way to determine timezone)
1268                 fi
1269         fi
1270
1271         dnl *********************************
1272         dnl *** Checks for math functions ***
1273         dnl *********************************
1274         LIBS="$LIBS -lm";
1275         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1276                 AC_TRY_LINK([#include <math.h>],
1277                 [ finite(0.0); ],
1278                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1279                 AC_MSG_RESULT(no)))
1280         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1281                 AC_TRY_LINK([#include <math.h>],
1282                 [ isfinite(0.0); ],
1283                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1284                 AC_MSG_RESULT(no)))
1285
1286         dnl ****************************************************************
1287         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1288         dnl *** have it in the library (duh))                            ***
1289         dnl ****************************************************************
1290         AC_CHECK_FUNCS(poll)
1291
1292         dnl *************************
1293         dnl *** Check for signbit ***
1294         dnl *************************
1295         AC_MSG_CHECKING(for signbit)
1296         AC_TRY_LINK([#include <math.h>], [
1297                 int s = signbit(1.0);
1298         ], [
1299                 AC_MSG_RESULT(yes)
1300                 AC_DEFINE(HAVE_SIGNBIT)
1301         ], [
1302                 AC_MSG_RESULT(no)
1303         ])
1304
1305         dnl **********************************
1306         dnl *** epoll                      ***
1307         dnl **********************************
1308         AC_CHECK_HEADERS(sys/epoll.h)
1309         haveepoll=no
1310         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1311         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1312                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1313         fi
1314
1315         dnl ******************************
1316         dnl *** Checks for SIOCGIFCONF ***
1317         dnl ******************************
1318         AC_CHECK_HEADERS(sys/ioctl.h)
1319         AC_CHECK_HEADERS(net/if.h)
1320         AC_MSG_CHECKING(for ifreq)
1321         AC_TRY_COMPILE([
1322                 #include <sys/ioctl.h>
1323                 #include <net/if.h>
1324                 ], [
1325                 struct ifconf ifc;
1326                 struct ifreq *ifr;
1327                 void *x;
1328                 ifc.ifc_len = 0;
1329                 ifc.ifc_buf = NULL;
1330                 x = (void *) &ifr->ifr_addr;
1331                 ],[
1332                         AC_MSG_RESULT(yes)
1333                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1334                 ], [
1335                         AC_MSG_RESULT(no)
1336                 ])
1337         dnl **********************************
1338         dnl *** Checks for MonoPosixHelper ***
1339         dnl **********************************
1340         AC_CHECK_HEADERS(checklist.h)
1341         AC_CHECK_HEADERS(fstab.h)
1342         AC_CHECK_HEADERS(attr/xattr.h)
1343         AC_CHECK_HEADERS(sys/extattr.h)
1344         AC_CHECK_HEADERS(sys/sendfile.h)
1345         AC_CHECK_HEADERS(sys/statvfs.h)
1346         AC_CHECK_HEADERS(sys/vfstab.h)
1347         AC_CHECK_HEADERS(sys/xattr.h)
1348         AC_CHECK_HEADERS(sys/mman.h)
1349         AC_CHECK_FUNCS(getdomainname)
1350         AC_CHECK_FUNCS(setdomainname)
1351         AC_CHECK_FUNCS(fgetgrent)
1352         AC_CHECK_FUNCS(fgetpwent)
1353         AC_CHECK_FUNCS(fgetpwent)
1354         AC_CHECK_FUNCS(getfsstat)
1355         AC_CHECK_FUNCS(lutimes)
1356         AC_CHECK_FUNCS(mremap)
1357         AC_CHECK_FUNCS(remap_file_pages)
1358         AC_CHECK_FUNCS(posix_fadvise)
1359         AC_CHECK_FUNCS(posix_fallocate)
1360         AC_CHECK_FUNCS(posix_madvise)
1361         AC_CHECK_FUNCS(vsnprintf)
1362         AC_CHECK_FUNCS(sendfile)
1363         AC_CHECK_FUNCS(sethostid)
1364         AC_CHECK_FUNCS(statfs)
1365         AC_CHECK_FUNCS(fstatfs)
1366         AC_CHECK_FUNCS(statvfs)
1367         AC_CHECK_FUNCS(fstatvfs)
1368         AC_CHECK_FUNCS(stime)
1369         AC_CHECK_FUNCS(strerror_r)
1370         AC_CHECK_FUNCS(ttyname_r)
1371         AC_CHECK_SIZEOF(size_t)
1372         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1373                 [#include <sys/types.h>
1374                  #include <sys/stat.h>
1375                  #include <unistd.h>])
1376         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1377                 [#include <sys/types.h>
1378                  #include <sys/stat.h>
1379                  #include <unistd.h>])
1380         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1381                 [#include <sys/time.h>])
1382         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1383                 [#include <sys/poll.h>])
1384         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1385                 [#include <sys/types.h>
1386                  #include <sys/stat.h>
1387                  #include <unistd.h>])
1388         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1389                 [#include <sys/time.h>
1390                  #include <sys/types.h>
1391                  #include <utime.h>])
1392         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1393                 [#include <sys/time.h>])
1394         AC_CHECK_MEMBERS(
1395                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1396                 [#include <sys/types.h>
1397                  #include <dirent.h>])
1398
1399         dnl Favour xattr through glibc, but use libattr if we have to
1400         AC_CHECK_FUNC(lsetxattr, ,
1401                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1402         )
1403         AC_SUBST(XATTR_LIB)
1404
1405         dnl *********************************
1406         dnl *** Check for Console 2.0 I/O ***
1407         dnl *********************************
1408         AC_CHECK_HEADERS([curses.h])
1409         AC_CHECK_HEADERS([term.h], [], [],
1410         [#if HAVE_CURSES_H
1411          #include <curses.h>
1412          #endif
1413         ])
1414         AC_CHECK_HEADERS([termios.h])
1415
1416         dnl * This is provided in io-layer, but on windows it's only available
1417         dnl * on xp+
1418         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1419 else
1420         jdk_headers_found=no
1421         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1422         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1423         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1424         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1425
1426         dnl *********************************
1427         dnl *** Check for struct ip_mreqn ***
1428         dnl *********************************
1429         AC_MSG_CHECKING(for struct ip_mreqn)
1430         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1431                 struct ip_mreqn mreq;
1432                 mreq.imr_address.s_addr = 0;
1433         ], [
1434                 # Yes, we have it...
1435                 AC_MSG_RESULT(yes)
1436                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1437         ], [
1438                 # We'll just have to try and use struct ip_mreq
1439                 AC_MSG_RESULT(no)
1440                 AC_MSG_CHECKING(for struct ip_mreq)
1441                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1442                         struct ip_mreq mreq;
1443                         mreq.imr_interface.s_addr = 0;
1444                 ], [
1445                         # Yes, we have it...
1446                         AC_MSG_RESULT(yes)
1447                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1448                 ], [
1449                         # No multicast support
1450                         AC_MSG_RESULT(no)
1451                 ])
1452         ])
1453         AC_CHECK_FUNCS(GetProcessId)
1454 fi
1455
1456 dnl socklen_t check
1457 AC_MSG_CHECKING(for socklen_t)
1458 AC_TRY_COMPILE([
1459 #include <sys/types.h>
1460 #include <sys/socket.h>
1461 ],[
1462   socklen_t foo;
1463 ],[
1464 ac_cv_c_socklen_t=yes
1465         AC_DEFINE(HAVE_SOCKLEN_T)
1466         AC_MSG_RESULT(yes)
1467 ],[
1468         AC_MSG_RESULT(no)
1469 ])
1470
1471 AC_MSG_CHECKING(for array element initalizer support)
1472 AC_TRY_COMPILE([#include <sys/socket.h>], [
1473         const int array[] = {[1] = 2,};
1474 ], [
1475         # Yes, we have it...
1476         AC_MSG_RESULT(yes)
1477         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1478 ], [
1479         # We'll have to use signals
1480         AC_MSG_RESULT(no)
1481 ])
1482
1483 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1484         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1485         AC_TRY_LINK([#include <math.h>],
1486         [ static void *p = &trunc; ],
1487         [
1488                 AC_DEFINE(HAVE_TRUNC)
1489                 AC_MSG_RESULT(yes)
1490                 ac_cv_trunc=yes
1491         ],
1492         AC_MSG_RESULT(no)))
1493
1494 if test "x$ac_cv_truncl" != "xyes"; then
1495    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1496 fi
1497
1498 dnl ****************************
1499 dnl *** Look for /dev/random ***
1500 dnl ****************************
1501
1502 AC_MSG_CHECKING([if usage of random device is requested])
1503 AC_ARG_ENABLE(dev-random,
1504 [  --disable-dev-random    disable the use of the random device],
1505 try_dev_random=$enableval, try_dev_random=yes)
1506 AC_MSG_RESULT($try_dev_random)
1507
1508 case "{$target}" in
1509     *-openbsd*)
1510     NAME_DEV_RANDOM="/dev/srandom"
1511     ;;
1512
1513 dnl Win32 does not have /dev/random, they have their own method...
1514
1515     *-*-mingw*|*-*-cygwin*)
1516     ac_cv_have_dev_random=no
1517     ;;
1518
1519 dnl Everywhere else, it's /dev/random
1520
1521     *)
1522     NAME_DEV_RANDOM="/dev/random"
1523     ;;
1524 esac
1525
1526 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1527
1528 dnl Now check if the device actually exists
1529
1530 if test "x$try_dev_random" = "xyes"; then
1531     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1532     [if test -r "$NAME_DEV_RANDOM" ; then
1533         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1534     if test "x$ac_cv_have_dev_random" = "xyes"; then
1535         AC_DEFINE(HAVE_CRYPT_RNG)
1536     fi
1537 else
1538     AC_MSG_CHECKING(for random device)
1539     ac_cv_have_dev_random=no
1540     AC_MSG_RESULT(has been disabled)
1541 fi
1542
1543 if test "x$platform_win32" = "xyes"; then
1544     AC_DEFINE(HAVE_CRYPT_RNG)
1545 fi
1546
1547 if test "x$ac_cv_have_dev_random" = "xno" \
1548     && test "x$platform_win32" = "xno"; then
1549     AC_MSG_WARN([[
1550 ***
1551 *** A system-provided entropy source was not found on this system.
1552 *** Because of this, the System.Security.Cryptography random number generator
1553 *** will throw a NotImplemented exception.
1554 ***
1555 *** If you are seeing this message, and you know your system DOES have an
1556 *** entropy collection in place, please contact <crichton@gimp.org> and
1557 *** provide information about the system and how to access the random device.
1558 ***
1559 *** Otherwise you can install either egd or prngd and set the environment
1560 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1561 ***]])
1562 fi
1563
1564 AC_MSG_CHECKING([if inter-process shared handles are requested])
1565 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1566 AC_MSG_RESULT($try_shared_handles)
1567 if test "x$try_shared_handles" != "xyes"; then
1568         AC_DEFINE(DISABLE_SHARED_HANDLES)
1569         AC_SUBST(DISABLE_SHARED_HANDLES)
1570 fi
1571
1572 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1573 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1574
1575 TARGET="unknown"
1576 ACCESS_UNALIGNED="yes"
1577
1578 JIT_SUPPORTED=no
1579 INTERP_SUPPORTED=no
1580 LIBC="libc.so.6"
1581 INTL="libc.so.6"
1582 SQLITE="libsqlite.so.0"
1583 SQLITE3="libsqlite3.so.0"
1584 X11="libX11.so"
1585
1586 jit_wanted=false
1587 interp_wanted=false
1588 case "$host" in
1589 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1590 #               TARGET=MIPS;
1591 #               ACCESS_UNALIGNED="no"
1592 #               ;;
1593         mips*)
1594                 TARGET=MIPS;
1595                 arch_target=mips;
1596                 ACCESS_UNALIGNED="no"
1597                 JIT_SUPPORTED=yes
1598                 jit_wanted=true
1599                 ;;
1600         i*86-*-*)
1601                 TARGET=X86;
1602                 arch_target=x86;
1603                 JIT_SUPPORTED=yes
1604                 jit_wanted=true
1605                 case $host_os in
1606                   solaris*)
1607                         LIBC="libc.so"
1608                         INTL="libintl.so"
1609
1610                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1611                         # int astruct __attribute__ ((visibility ("hidden")));
1612                         # void foo ()
1613                         # {
1614                         #       void *p = &astruct;
1615                         # }
1616                         # gcc -fPIC --shared -o libfoo.so foo.c
1617                         # yields:
1618                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1619                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1620                         have_visibility_hidden=no
1621
1622                         libmono_ldflags="$libmono_ldflags $LIBS"
1623                 esac
1624                 ;;
1625         x86_64-*-* | amd64-*-*)
1626                 TARGET=AMD64;
1627                 arch_target=amd64;
1628                 JIT_SUPPORTED=yes
1629                 jit_wanted=true
1630                 ;;
1631         ia64-*-*)
1632                 TARGET=IA64
1633                 arch_target=ia64
1634                 ACCESS_UNALIGNED="no"
1635                 JIT_SUPPORTED=yes
1636                 jit_wanted=true
1637                 LIBC="libc.so.6.1"
1638                 INTL="libc.so.6.1"
1639                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1640                 libmono_ldflags="-lunwind"
1641                 ;;
1642         sparc*-*-*)
1643                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1644                    TARGET=SPARC64
1645                 else
1646                         TARGET=SPARC
1647                 fi
1648                 arch_target=sparc;
1649                 JIT_SUPPORTED=yes
1650                 ACCESS_UNALIGNED="no"
1651                 case $host_os in
1652                   linux*) ;;
1653                   *)
1654                         LIBC="libc.so"
1655                         INTL="libintl.so"
1656                         libmono_ldflags="$libmono_ldflags $LIBS"
1657                 esac
1658                 jit_wanted=true
1659                 if test x"$GCC" = xyes; then
1660                         # We don't support v8 cpus
1661                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1662                 fi
1663                 if test x"$AR" = xfalse; then
1664                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1665                 fi
1666                 ;;
1667        alpha*-*-linux* | alpha*-*-osf*)
1668                 TARGET=ALPHA;
1669                 ACCESS_UNALIGNED="no"
1670                 JIT_SUPPORTED=yes
1671                 jit_wanted=true
1672                 arch_target=alpha;
1673                 CFLAGS="$CFLAGS -mieee -O0"
1674                 case $host_os in
1675                   linux*)
1676                         LIBC="libc.so.6.1"
1677                         INTL="libc.so.6.1"
1678                 esac
1679                ;;
1680         *-*-mingw*|*-*-cygwin*)
1681                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1682                 have_visibility_hidden=no
1683                 INTL="intl"
1684                 ;;
1685         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1686                 TARGET=HPPA;
1687                 arch_target=hppa;
1688                 LIBC="libc.sl"
1689                 ACCESS_UNALIGNED="no"
1690                 INTERP_SUPPORTED=yes
1691                 interp_wanted=true
1692                 ;;
1693         hppa*linux*)
1694                 TARGET=HPPA;
1695                 arch_target=hppa;
1696                 ACCESS_UNALIGNED="no"
1697                 INTERP_SUPPORTED=yes
1698                 interp_wanted=true
1699                 ;;
1700         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1701         powerpc-*-sysv* | powerpc-*-darwin*)
1702                 TARGET=POWERPC;
1703                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1704                 arch_target=ppc;
1705                 JIT_SUPPORTED=yes
1706                 jit_wanted=true
1707                 ;;
1708         arm*-linux*)
1709                 TARGET=ARM;
1710                 arch_target=arm;
1711                 ACCESS_UNALIGNED="no"
1712                 JIT_SUPPORTED=yes
1713                 jit_wanted=true
1714                 ;;
1715         s390-*-linux*)
1716                 TARGET=S390;
1717                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1718                 arch_target=s390;
1719                 ACCESS_UNALIGNED="no"
1720                 JIT_SUPPORTED=yes
1721                 jit_wanted=true
1722                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1723                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1724                 ;;
1725         s390x-*-linux*)
1726                 TARGET=S390x;
1727                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1728                 arch_target=s390x;
1729                 ACCESS_UNALIGNED="no"
1730                 JIT_SUPPORTED=yes
1731                 jit_wanted=true
1732                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1733                 ;;
1734 esac
1735
1736 if test "x$have_visibility_hidden" = "xyes"; then
1737    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1738 fi
1739
1740 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1741         if test x$withval = xyes; then
1742            jit_wanted=true
1743         else
1744            jit_wanted=false
1745         fi
1746 ])
1747
1748 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1749         if test x$withval = xyes; then
1750            interp_wanted=true
1751         else
1752            interp_wanted=false
1753         fi
1754 ])
1755
1756 USEJIT=false
1757 if test x$JIT_SUPPORTED = xyes; then
1758    if $jit_wanted; then
1759       USEJIT=true
1760       jit_status="Building and using the JIT"
1761    else
1762       if $interp_wanted; then
1763          jit_status="Building the JIT, defaulting to the interpreter"
1764       else
1765          AC_ERROR(No JIT or interpreter support available or selected.)
1766       fi
1767    fi
1768 else
1769    if test x$interp_wanted = xtrue; then
1770       jit_status="interpreter"
1771    else
1772       AC_ERROR(No JIT or interpreter support available or selected.)
1773    fi
1774 fi
1775
1776 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1777
1778 libsuffix=".so"
1779
1780 case "$host" in
1781      *-*-darwin*)
1782         libsuffix=".dylib"
1783         LIBC="libc.dylib"
1784         INTL="libintl.dylib"
1785         SQLITE="libsqlite.0.dylib"
1786         SQLITE3="libsqlite3.0.dylib"
1787         X11="libX11.dylib"
1788         ;;
1789      *-*-*netbsd*)
1790         LIBC="libc.so.12"
1791         INTL="libintl.so.0"
1792         ;;
1793     *-*-*freebsd*)
1794         LIBC="libc.so"
1795         INTL="libintl.so"
1796         ;;
1797     *-*-*openbsd*)
1798         LIBC="libc.so"
1799         INTL="libintl.so"
1800         ;;
1801     *-*-*linux*)
1802         AC_PATH_X
1803         AC_MSG_CHECKING(for the soname of libX11.so)
1804         for i in $x_libraries /usr/lib /usr/lib64; do
1805                 for r in 4 5 6; do
1806                         if test -f $i/libX11.so.$r; then
1807                                 X11=libX11.so.$r
1808                                 AC_MSG_RESULT($X11)
1809                         fi
1810                 done
1811         done
1812
1813         if test "x$X11" = "xlibX11.so"; then
1814                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1815         fi
1816         ;;
1817 esac
1818
1819
1820 AC_SUBST(libsuffix)
1821
1822 if test "x$TARGET" != "xAMD64"; then
1823    # valgrind headers don't compile under x86-64
1824    AC_CHECK_HEADERS(valgrind/memcheck.h)
1825 fi
1826
1827 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1828         if test "x$with_tls" = "x__thread"; then
1829                 #
1830                 # On some linux distributions, TLS works in executables, but linking
1831                 # against a shared library containing TLS fails with:
1832                 # undefined reference to `__tls_get_addr'
1833                 #
1834                 rm -f conftest.c conftest.so conftest
1835                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1836                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1837                 $CC -o conftest conftest.so > /dev/null 2>&1
1838                 if test ! -f conftest; then
1839                    AC_MSG_WARN([Disabling usage of __thread.]);
1840                    with_tls=pthread
1841                 fi
1842                 rm -f conftest.c conftest.so conftest
1843         fi
1844 fi
1845
1846 mono_debugger_supported=no
1847 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1848         if test x$use_included_gc = xyes; then
1849                 case "$host" in
1850                 *-*-*linux*)
1851                         mono_debugger_supported=yes
1852                         ;;
1853                 esac
1854         fi
1855 fi
1856
1857 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1858 if test "x$mono_debugger_supported" = "xyes"; then
1859         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1860 fi
1861 AC_MSG_RESULT($mono_debugger_supported)
1862 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1863
1864 if test "x$with_tls" = "x__thread"; then
1865         AC_DEFINE(HAVE_KW_THREAD)
1866         # Pass the information to libgc
1867         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1868         AC_MSG_CHECKING(if the tls_model attribute is supported)
1869         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1870                 ], [
1871                         AC_MSG_RESULT(yes)
1872                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1873                 ], [
1874                         AC_MSG_RESULT(no)
1875         ])
1876 fi
1877
1878 if test ${TARGET} = ARM; then
1879         dnl ******************************************
1880         dnl *** Check to see what FPU is available ***
1881         dnl ******************************************
1882         AC_MSG_CHECKING(which FPU to use)
1883
1884         AC_TRY_COMPILE([], [
1885                 __asm__ ("ldfd f0, [r0]");
1886                 ], fpu=FPA, [
1887                         AC_TRY_COMPILE([], [
1888                                 __asm__ ("fldd d0, [r0]");
1889                         ], fpu=VFP, fpu=NONE)
1890                 ])
1891
1892         AC_MSG_RESULT($fpu)
1893         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1894         unset fpu
1895 fi
1896
1897 if test ${TARGET} = unknown; then
1898         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1899         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1900 fi
1901
1902 if test ${ACCESS_UNALIGNED} = no; then
1903         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1904 fi
1905
1906 PREVIEW=yes
1907 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1908         if test x$with_preview = xno; then
1909               PREVIEW=no
1910         fi
1911 ])
1912
1913 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1914
1915 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1916 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1917 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1918 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1919 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1920 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1921 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1922 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1923 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1924 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1925 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1926 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1927 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1928 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1929 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1930
1931 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1932 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1933 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1934
1935 AC_SUBST(LIBC)
1936 AC_SUBST(INTL)
1937 AC_SUBST(SQLITE)
1938 AC_SUBST(SQLITE3)
1939 AC_SUBST(X11)
1940 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
1941 AC_SUBST(arch_target)
1942 AC_SUBST(CFLAGS)
1943 AC_SUBST(CPPFLAGS)
1944 AC_SUBST(LDFLAGS)
1945
1946 mono_build_root=`pwd`
1947 AC_SUBST(mono_build_root)
1948
1949 if test x$USEJIT = xtrue; then
1950   mono_runtime=mono/mini/mono
1951 else
1952   mono_runtime=mono/interpreter/mint
1953 fi
1954 AC_SUBST(mono_runtime)
1955
1956 mono_cfg_root=$mono_build_root/runtime
1957 if test x$platform_win32 = xyes; then
1958   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1959 else
1960   mono_cfg_dir=$mono_cfg_root/etc
1961 fi
1962 AC_SUBST(mono_cfg_dir)
1963
1964 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1965 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1966 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1967
1968 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1969 [   depth=../../../..
1970     case $srcdir in
1971     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1972     .) reldir=$depth ;;
1973     *) reldir=$depth/$srcdir ;;
1974     esac
1975     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1976     cd runtime/etc/mono/1.0
1977     rm -f machine.config
1978     $LN_S $reldir/data/net_1_1/machine.config machine.config
1979     cd $depth
1980 ],[LN_S='$LN_S'])
1981
1982 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1983 [   depth=../../../..
1984     case $srcdir in
1985     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1986     .) reldir=$depth ;;
1987     *) reldir=$depth/$srcdir ;;
1988     esac
1989     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1990     cd runtime/etc/mono/2.0
1991     rm -f machine.config
1992     $LN_S $reldir/data/net_2_0/machine.config machine.config
1993     cd $depth
1994 ],[LN_S='$LN_S'])
1995
1996 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
1997 [   depth=../../../..
1998     case $srcdir in
1999     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2000     .) reldir=$depth ;;
2001     *) reldir=$depth/$srcdir ;;
2002     esac
2003     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2004     cd runtime/etc/mono/2.0
2005     rm -f web.config
2006     $LN_S $reldir/data/net_2_0/web.config web.config
2007     cd $depth
2008 ],[LN_S='$LN_S'])
2009
2010 AC_OUTPUT([
2011 Makefile
2012 mint.pc
2013 mono.pc
2014 mono-cairo.pc
2015 dotnet.pc
2016 mono-uninstalled.pc
2017 scripts/mono-nunit.pc
2018 scripts/mono-find-provides
2019 scripts/mono-find-requires
2020 mono/Makefile
2021 mono/utils/Makefile
2022 mono/metadata/Makefile
2023 mono/dis/Makefile
2024 mono/cil/Makefile
2025 mono/arch/Makefile
2026 mono/os/Makefile
2027 mono/arch/x86/Makefile
2028 mono/arch/amd64/Makefile
2029 mono/arch/hppa/Makefile
2030 mono/arch/ppc/Makefile
2031 mono/arch/sparc/Makefile
2032 mono/arch/s390/Makefile
2033 mono/arch/s390x/Makefile
2034 mono/arch/arm/Makefile
2035 mono/arch/alpha/Makefile
2036 mono/arch/ia64/Makefile
2037 mono/arch/mips/Makefile
2038 mono/interpreter/Makefile
2039 mono/tests/Makefile
2040 mono/tests/tests-config
2041 mono/tests/cas/Makefile
2042 mono/tests/cas/assembly/Makefile
2043 mono/tests/cas/demand/Makefile
2044 mono/tests/cas/inheritance/Makefile
2045 mono/tests/cas/linkdemand/Makefile
2046 mono/tests/cas/threads/Makefile
2047 mono/benchmark/Makefile
2048 mono/monoburg/Makefile
2049 mono/monograph/Makefile
2050 mono/io-layer/Makefile
2051 mono/mini/Makefile
2052 mono/profiler/Makefile
2053 ikvm-native/Makefile
2054 scripts/Makefile
2055 man/Makefile
2056 web/Makefile
2057 docs/Makefile
2058 data/Makefile
2059 data/net_1_1/Makefile
2060 data/net_2_0/Makefile
2061 samples/Makefile
2062 support/Makefile
2063 data/config
2064 tools/Makefile
2065 tools/locale-builder/Makefile
2066 runtime/Makefile
2067 ])
2068
2069 if test x$platform_win32 = xyes; then
2070    # Get rid of 'cyg' prefixes in library names
2071    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2072    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2073    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2074    # executable doesn't work...
2075    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2076 fi
2077
2078 (
2079   case $prefix in
2080   NONE) prefix=$ac_default_prefix ;;
2081   esac
2082   case $exec_prefix in
2083   NONE) exec_prefix='${prefix}' ;;
2084   esac
2085
2086   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2087
2088   #
2089   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2090   # any existing config.make.  This allows people to share the same source tree
2091   # with different build directories, one native and one cross
2092   #
2093   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2094     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2095     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2096     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2097     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2098     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2099     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2100     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2101
2102     case $INSTALL in
2103     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2104     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2105     esac
2106
2107     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2108
2109     export VERSION
2110     [myver=$($AWK 'BEGIN {
2111       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2112       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2113     }')]
2114
2115     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2116   fi
2117 )
2118
2119 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2120
2121 echo "
2122         mcs source:  $mcs_topdir
2123         GC:          $gc
2124         TLS:         $with_tls
2125         SIGALTSTACK: $with_sigaltstack
2126         Engine:      $jit_status
2127         2.0 Alpha:   $PREVIEW
2128         JNI support: $jdk_headers_found
2129         libgdiplus:  $libgdiplus_msg
2130         zlib:        $zlib_msg
2131         $disabled
2132
2133 "
2134 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2135    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2136 fi
2137
2138 if test x$gc = xsgen; then
2139         echo IMPORTANT:
2140         echo IMPORTANT: You have selected an experimental, work-in-progress
2141         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2142         echo IMPORTANT: and is not yet ready for use.
2143         echo IMPORTANT:
2144         echo IMPORTANT: There are known problems with it, use at your own risk.
2145 fi