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,1.2.3)
  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 $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 #
  40 # These are the flags that need to be stored in the mono.pc file for
  41 # compiling code that will embed Mono
  42 #
  43 libmono_cflags=""
  44 libmono_ldflags=""
  45 AC_SUBST(libmono_cflags)
  46 AC_SUBST(libmono_ldflags)
  47 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
  48 AC_SUBST(export_ldflags)
  49
  50 # Variable to have relocatable .pc files (lib, or lib64)
  51 reloc_libdir=`basename ${libdir}`
  52 AC_SUBST(reloc_libdir)
  53
  54 dnl if linker handles the version script
  55 no_version_script=no
  56
  57 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  58 need_link_unlink=no
  59
  60 # Thread configuration inspired by sleepycat's db
  61 AC_MSG_CHECKING([host platform characteristics])
  62 libgc_threads=no
  63 case "$host" in
  64         *-*-mingw*|*-*-cygwin*)
  65                 platform_win32=yes
  66                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  67                 if test "x$cross_compiling" = "xno"; then
  68                         CC="gcc -mno-cygwin -g"
  69                         # So libgc configure gets -mno-cygwin
  70                         export CC
  71                 fi
  72                 HOST_CC="gcc"
  73                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS -DFD_SETSIZE=1024"
  74                 libmono_cflags="-mno-cygwin"
  75                 libmono_ldflags="-mno-cygwin"
  76                 libdl=
  77                 libgc_threads=win32
  78                 gc_default=included
  79                 with_sigaltstack=no
  80                 LN_S=cp
  81                 # This forces libgc to use the DllMain based thread registration code on win32
  82                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  83                 ;;
  84         *-*-*netbsd*)
  85                 platform_win32=no
  86                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
  87                 libmono_cflags="-D_REENTRANT"
  88                 LDFLAGS="$LDFLAGS -pthread"
  89                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  90                 libmono_ldflags="-pthread"
  91                 need_link_unlink=yes
  92                 libdl="-ldl"
  93                 libgc_threads=pthreads
  94                 with_sigaltstack=no
  95                 ;;
  96 # these flags will work for all versions of -STABLE
  97 #
  98         *-*-*freebsd4*)
  99                 platform_win32=no
 100                 if test "x$PTHREAD_CFLAGS" = "x"; then
 101                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 102                         libmono_cflags="-D_THREAD_SAFE"
 103                 else
 104                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 105                         libmono_cflags="$PTHREAD_CFLAGS"
 106                 fi
 107                 if test "x$PTHREAD_LIBS" = "x"; then
 108                         LDFLAGS="$LDFLAGS -pthread"
 109                         libmono_ldflags="-pthread"
 110                 else
 111                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 112                         libmono_ldflags="$PTHREAD_LIBS"
 113                 fi
 114                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD4"
 115                 need_link_unlink=yes
 116                 AC_DEFINE(PTHREAD_POINTER_ID)
 117                 libdl=
 118                 libgc_threads=pthreads
 119 # TLS isn't implemented at all on 4-STABLE
 120                 with_tls=pthread
 121                 ;;
 122         *-*-*freebsd5*)
 123                 platform_win32=no
 124                 if test "x$PTHREAD_CFLAGS" = "x"; then
 125                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 126                         libmono_cflags=
 127                 else
 128                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 129                         libmono_cflags="$PTHREAD_CFLAGS"
 130                 fi
 131                 if test "x$PTHREAD_LIBS" = "x"; then
 132                         LDFLAGS="$LDFLAGS -pthread"
 133                         libmono_ldflags="-pthread"
 134                 else
 135                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 136                         libmono_ldflags="$PTHREAD_LIBS"
 137                 fi
 138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD5"
 139                 need_link_unlink=yes
 140                 AC_DEFINE(PTHREAD_POINTER_ID)
 141                 libdl=
 142                 with_sigaltstack=yes
 143                 libgc_threads=pthreads
 144 # TLS is only partially implemented on 5-STABLE (compiler support
 145 # but NOT library support)
 146 #
 147                 with_tls=pthread
 148                 ;;
 149         *-*-*freebsd6*)
 150                 platform_win32=no
 151                 if test "x$PTHREAD_CFLAGS" = "x"; then
 152                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 153                         libmono_cflags=
 154                 else
 155                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 156                         libmono_cflags="$PTHREAD_CFLAGS"
 157                 fi
 158                 if test "x$PTHREAD_LIBS" = "x"; then
 159                         LDFLAGS="$LDFLAGS -pthread"
 160                         libmono_ldflags="-pthread"
 161                 else
 162                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 163                         libmono_ldflags="$PTHREAD_LIBS"
 164                 fi
 165                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD -DPLATFORM_BSD6"
 166                 need_link_unlink=yes
 167                 AC_DEFINE(PTHREAD_POINTER_ID)
 168                 libdl=
 169                 libgc_threads=pthreads
 170                 with_sigaltstack=yes
 171 # TLS is only partially implemented on -CURRENT (compiler support
 172 # but NOT library support)
 173 #
 174                 with_tls=pthread
 175                 ;;
 176         *-*-*openbsd*)
 177                 platform_win32=no
 178                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 179                 libmono_cflags="-D_THREAD_SAFE"
 180                 LDFLAGS="$LDFLAGS -pthread"
 181                 libmono_ldflags="-pthread"
 182                 need_link_unlink=yes
 183                 AC_DEFINE(PTHREAD_POINTER_ID)
 184                 libdl=
 185                 libgc_threads=pthreads
 186                 ;;
 187         *-*-linux*)
 188                 platform_win32=no
 189                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 190                 libmono_cflags="-D_REENTRANT"
 191                 libmono_ldflags="-lpthread"
 192                 libdl="-ldl"
 193                 libgc_threads=pthreads
 194                 ;;
 195         *-*-hpux*)
 196         platform_win32=no
 197                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 198                 # +ESdbgasm only valid on bundled cc on RISC
 199                 # silently ignored for ia64
 200                 if test $GCC != "yes"; then
 201                         CFLAGS="$CFLAGS +ESdbgasm"
 202                         # Arrange for run-time dereferencing of null
 203                         # pointers to produce a SIGSEGV signal.
 204                         LDFLAGS="$LDFLAGS -z"
 205                 fi
 206                 CFLAGS="$CFLAGS +ESdbgasm"
 207                 LDFLAGS="$LDFLAGS -z"
 208                 libmono_cflags="-D_REENTRANT"
 209                 libmono_ldflags="-lpthread"
 210                 libgc_threads=pthreads
 211                 need_link_unlink=yes
 212                 ;;
 213         *-*-solaris*)
 214                 platform_win32=no
 215                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP"
 216                 need_link_unlink=yes
 217                 libmono_cflags="-D_REENTRANT"
 218                 libgc_threads=pthreads
 219                 # This doesn't seem to work on solaris/x86, but the configure test runs
 220                 with_tls=pthread
 221                 ;;
 222         *-*-darwin*)
 223                 platform_win32=no
 224                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 225                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess"
 226                 libmono_cflags="-D_THREAD_SAFE"
 227                 LDFLAGS="$LDFLAGS -pthread"
 228                 libmono_ldflags="-pthread"
 229                 need_link_unlink=yes
 230                 AC_DEFINE(PTHREAD_POINTER_ID)
 231                 AC_DEFINE(USE_MACH_SEMA)
 232                 no_version_script=yes
 233                 libdl=
 234                 libgc_threads=pthreads
 235                 ;;
 236         *)
 237                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 238                 platform_win32=no
 239                 libdl="-ldl"
 240                 ;;
 241 esac
 242 AC_MSG_RESULT(ok)
 243
 244 if test x$need_link_unlink = xyes; then
 245    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 246 fi
 247
 248 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 249
 250 AC_CHECK_TOOL(CC, gcc, gcc)
 251 AC_PROG_CC
 252 AM_PROG_CC_STDC
 253 AC_PROG_INSTALL
 254 AC_PROG_AWK
 255 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 256 : ${CCAS='$(CC)'}
 257 # Set ASFLAGS if not already set.
 258 : ${CCASFLAGS='$(CFLAGS)'}
 259 AC_SUBST(CCAS)
 260 AC_SUBST(CCASFLAGS)
 261
 262 AC_CHECK_PROG(BISON, bison,yes,no)
 263 if test "x$BISON" = "xno";
 264 then
 265         AC_MSG_ERROR([You need to install bison])
 266 fi
 267
 268 dnl may require a specific autoconf version
 269 dnl AC_PROG_CC_FOR_BUILD
 270 dnl CC_FOR_BUILD not automatically detected
 271 CC_FOR_BUILD=$CC
 272 CFLAGS_FOR_BUILD=$CFLAGS
 273 BUILD_EXEEXT=
 274 if test "x$cross_compiling" = "xyes"; then
 275         CC_FOR_BUILD=cc
 276         CFLAGS_FOR_BUILD=
 277         BUILD_EXEEXT=""
 278 fi
 279 AC_SUBST(CC_FOR_BUILD)
 280 AC_SUBST(CFLAGS_FOR_BUILD)
 281 AC_SUBST(HOST_CC)
 282 AC_SUBST(BUILD_EXEEXT)
 283
 284 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 285
 286 # Set STDC_HEADERS
 287 AC_HEADER_STDC
 288 AC_LIBTOOL_WIN32_DLL
 289 # This causes monodis to not link correctly
 290 #AC_DISABLE_FAST_INSTALL
 291 AM_PROG_LIBTOOL
 292
 293 # Test whenever ld supports -version-script
 294 AC_PROG_LD
 295 AC_PROG_LD_GNU
 296 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 297    no_version_script=yes
 298 fi
 299
 300 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 301
 302 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h)
 303
 304 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 305 if test x$have_zlib = xyes; then
 306    AC_TRY_COMPILE([#include <zlib.h>], [
 307    void main () {
 308    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 309    }
 310    #else
 311    #error No good zlib found
 312    #endif
 313    ],[
 314         AC_MSG_RESULT(Using system zlib)
 315         zlib_msg="system zlib"
 316    ],[
 317         AC_MSG_RESULT(Using embedded zlib)
 318         have_zlib=no
 319         zlib_msg="bundled zlib"
 320    ])
 321 fi
 322
 323 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 324 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 325
 326 # for mono/metadata/debug-symfile.c
 327 AC_CHECK_HEADERS(elf.h)
 328
 329 # for support
 330 AC_CHECK_HEADERS(poll.h)
 331 AC_CHECK_HEADERS(sys/poll.h)
 332 AC_CHECK_HEADERS(sys/wait.h)
 333 AC_CHECK_HEADERS(grp.h)
 334 AC_CHECK_HEADERS(syslog.h)
 335
 336 # for mono/dis
 337 AC_CHECK_HEADERS(wchar.h)
 338 case "$host" in
 339         *-*-*freebsd6*)
 340                 AC_CHECK_HEADERS(ieeefp.h)
 341         ;;
 342         *-*-*freebsd*)
 343                 /* Only freebsd6 has a working ieeefp.h */
 344         ;;
 345         *)
 346                 AC_CHECK_HEADERS(ieeefp.h)
 347         ;;
 348 esac
 349 AC_MSG_CHECKING(for isinf)
 350 AC_TRY_LINK([#include <math.h>], [
 351         int f = isinf (1);
 352 ], [
 353         AC_MSG_RESULT(yes)
 354         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 355 ], [
 356         # We'll have to use signals
 357         AC_MSG_RESULT(no)
 358 ])
 359
 360
 361 # not 64 bit clean in cross-compile
 362 AC_CHECK_SIZEOF(void *, 4)
 363
 364 WARN=''
 365 if test x"$GCC" = xyes; then
 366         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 367                 # The runtime code does not respect ANSI C strict aliasing rules
 368                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 369
 370                 ORIG_CFLAGS=$CFLAGS
 371                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 372                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 373                 AC_TRY_COMPILE([], [
 374                                                    void main () { }
 375                 ], [
 376                    AC_MSG_RESULT(yes)
 377                 ], [
 378                    AC_MSG_RESULT(no)
 379                    CFLAGS=$ORIG_CFLAGS
 380                 ])
 381 else
 382         # The Sun Forte compiler complains about inline functions that access static variables
 383         # so disable all inlining.
 384         case "$host" in
 385         *-*-solaris*)
 386                 CFLAGS="$CFLAGS -Dinline="
 387                 ;;
 388         esac
 389 fi
 390 CFLAGS="$CFLAGS -g $WARN"
 391
 392 # Where's the 'mcs' source tree?
 393 if test -d $srcdir/mcs; then
 394   mcsdir=mcs
 395 else
 396   mcsdir=../mcs
 397 fi
 398
 399 mcs_topdir='$(top_srcdir)/'$mcsdir
 400 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 401
 402 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 403 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 404
 405 AC_SUBST([mcs_topdir])
 406 AC_SUBST([mcs_topdir_from_srcdir])
 407
 408 AC_ARG_WITH([libgdiplus],
 409         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 410         [], [with_libgdiplus=installed])
 411
 412 case $with_libgdiplus in
 413 no|installed) libgdiplus_loc= ;;
 414 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 415 /*) libgdiplus_loc=$with_libgdiplus ;;
 416 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 417 esac
 418 AC_SUBST([libgdiplus_loc])
 419
 420 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 421 if test "x$PKG_CONFIG" = "xno"; then
 422         AC_MSG_ERROR([You need to install pkg-config])
 423 fi
 424
 425 pkg_config_path=
 426 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 427         if test x$with_crosspkgdir = "x"; then
 428                 if test -s $PKG_CONFIG_PATH; then
 429                         pkg_config_path=$PKG_CONFIG_PATH
 430                 fi
 431         else
 432                 pkg_config_path=$with_crosspkgdir
 433                 PKG_CONFIG_PATH=$pkg_config_path
 434                 export PKG_CONFIG_PATH
 435         fi
 436 )
 437
 438 AC_ARG_WITH([glib],
 439         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 440         [], [with_glib=system])
 441
 442 case $with_glib in
 443 embedded)
 444   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src'
 445   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 446   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 447   BUILD_GLIB_LIBS="$GLIB_LIBS"
 448   AC_CONFIG_SUBDIRS(eglib)
 449   ;;
 450 system)
 451   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 452   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 453
 454   ## Versions of dependencies
 455   GLIB_REQUIRED_VERSION=1.3.11
 456
 457   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 458
 459   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 460   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 461   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 462   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 463   ;;
 464 *)
 465   AC_MSG_ERROR([Invalid argument to --with-glib.])
 466 esac
 467 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 468
 469 AC_SUBST(GLIB_CFLAGS)
 470 AC_SUBST(GLIB_LIBS)
 471 AC_SUBST(GMODULE_CFLAGS)
 472 AC_SUBST(GMODULE_LIBS)
 473 AC_SUBST(BUILD_GLIB_CFLAGS)
 474 AC_SUBST(BUILD_GLIB_LIBS)
 475
 476 if test x$cross_compiling$platform_win32 = xnoyes; then
 477    AC_MSG_CHECKING(for cygwin glib2-dev package)
 478    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 479       AC_MSG_RESULT(found)
 480           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.])
 481    else
 482       AC_MSG_RESULT(not found, ok)
 483    fi
 484
 485    AC_MSG_CHECKING(for broken gwin32.h)
 486    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 487    if test -f $glib_include/glib/gwin32.h; then
 488           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 489                  AC_MSG_RESULT(failed)
 490                  hashmark='#'
 491                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 492           fi
 493    fi
 494    AC_MSG_RESULT(ok)
 495 fi
 496
 497 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 498
 499 # Enable support for fast thread-local storage
 500 # Some systems have broken support, so we allow to disable it.
 501 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 502
 503 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 504 # This does not work on some platforms (bug #55253)
 505 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 506
 507 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 508
 509 if test "x$enable_static" = "xno"; then
 510    with_static_mono=no
 511 fi
 512
 513 if test "x$platform_win32" = "xyes"; then
 514    # Boehm GC requires the runtime to be in its own dll
 515    with_static_mono=no
 516 fi
 517
 518 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 519 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 520
 521 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 522 if test "x$with_xen_opt" = "xyes"; then
 523         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 524         ORIG_CFLAGS=$CFLAGS
 525         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 526         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 527         AC_TRY_COMPILE([], [
 528                                            void main () { }
 529         ], [
 530            AC_MSG_RESULT(yes)
 531         ], [
 532            AC_MSG_RESULT(no)
 533            CFLAGS=$ORIG_CFLAGS
 534         ])
 535 fi
 536
 537 DISABLED_FEATURES=none
 538
 539 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 540   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 541   reflection_emit, large_code, logging, com, ssa, generics.],
 542 [
 543         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 544                 eval "mono_feature_disable_$feature='yes'"
 545                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 546         done
 547         DISABLED_FEATURES=$enable_minimal
 548         disabled="Disabled:    $enable_minimal"
 549 ],[])
 550
 551 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 552
 553 if test "x$mono_feature_disable_aot" = "xyes"; then
 554         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 555 fi
 556
 557 if test "x$mono_feature_disable_profiler" = "xyes"; then
 558         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 559 fi
 560
 561 if test "x$mono_feature_disable_decimal" = "xyes"; then
 562         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 563 fi
 564
 565 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 566         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 567 fi
 568
 569 if test "x$mono_feature_disable_debug" = "xyes"; then
 570         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 571 fi
 572
 573 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 574         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 575 fi
 576
 577 if test "x$mono_feature_disable_large_code" = "xyes"; then
 578         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 579 fi
 580
 581 if test "x$mono_feature_disable_logging" = "xyes"; then
 582         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 583 fi
 584
 585 if test "x$mono_feature_disable_com" = "xyes"; then
 586         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 587 fi
 588
 589 if test "x$mono_feature_disable_ssa" = "xyes"; then
 590         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 591 fi
 592
 593 if test "x$mono_feature_disable_generics" = "xyes"; then
 594         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 595 fi
 596
 597 AC_MSG_CHECKING(for visibility __attribute__)
 598 AC_TRY_COMPILE([], [
 599    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 600    void main () { doit (); }
 601 ], [
 602    have_visibility_hidden=yes
 603    AC_MSG_RESULT(yes)
 604 ], [
 605    have_visibility_hidden=no
 606    AC_MSG_RESULT(no)
 607 ])
 608
 609 LIBGC_CFLAGS=
 610 LIBGC_LIBS=
 611 LIBGC_STATIC_LIBS=
 612 libgc_dir=
 613 case "x$gc" in
 614         xboehm|xbohem|xyes)
 615                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 616                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 617
 618                 if test "x$found_boehm" != "xyes"; then
 619                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 620                 fi
 621                 if test "x$gc_headers" != "xyes"; then
 622                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 623                 fi
 624
 625                 AC_DEFINE(HAVE_BOEHM_GC)
 626                 AC_SUBST(HAVE_BOEHM_GC)
 627                 LIBGC_LIBS="-lgc $libdl"
 628                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 629
 630                 # AC_CHECK_FUNCS does not work for some reason...
 631                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 632                 if test "x$found_gcj_malloc" = "xyes"; then
 633                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 634                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 635                 else
 636                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 637                 fi
 638                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 639                 if test "x$found_gc_enable" = "xyes"; then
 640                         AC_DEFINE(HAVE_GC_ENABLE)
 641                 fi
 642                 ;;
 643
 644         xincluded)
 645                 AC_CONFIG_SUBDIRS(libgc)
 646
 647                 # Pass CPPFLAGS to libgc configure
 648                 # Maybe we should use a separate variable for this to avoid passing useless and
 649                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
 650                 export CPPFLAGS
 651
 652                 found_boehm=yes
 653                 gc_headers=yes
 654                 use_included_gc=yes
 655                 libgc_dir=libgc
 656
 657                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 658                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 659                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 660
 661                 AC_DEFINE(HAVE_BOEHM_GC)
 662                 AC_SUBST(HAVE_BOEHM_GC)
 663
 664                 AC_DEFINE(HAVE_GC_H)
 665                 AC_DEFINE(USE_INCLUDED_LIBGC)
 666
 667                 # The included libgc contains GCJ support
 668                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 669                 AC_DEFINE(HAVE_GC_ENABLE)
 670                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 671                 ;;
 672
 673         xsgen)
 674                 found_boehm=no
 675                 gc_headers=no
 676                 use_included_gc=no
 677                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 678                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 679                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 680                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 681                 ;;
 682
 683         xnone)
 684                 AC_MSG_WARN("Compiling mono without GC.")
 685                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 686                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 687                 ;;
 688         *)
 689                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 690                 ;;
 691 esac
 692
 693 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 694 if test "x$large_heap" = "xyes"; then
 695    echo "FOO"
 696    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 697 fi
 698
 699 # tell libgc/configure about what we want
 700 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args"
 701
 702 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 703 AC_SUBST(LIBGC_CFLAGS)
 704 AC_SUBST(LIBGC_LIBS)
 705 AC_SUBST(LIBGC_STATIC_LIBS)
 706 AC_SUBST(libgc_dir)
 707
 708 dnl
 709 dnl End of libgc checks
 710 dnl
 711
 712 if test x$platform_win32 = xno; then
 713
 714         dnl dynamic loader support
 715         AC_CHECK_FUNC(dlopen, DL_LIB="",
 716                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 717         )
 718         if test x$dl_support = xno; then
 719                 AC_MSG_WARN([No dynamic loading support available])
 720         else
 721                 LIBS="$LIBS $DL_LIB"
 722                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 723                 dnl from glib's configure.in
 724                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 725                         mono_cv_uscore,[
 726                         AC_TRY_RUN([#include <dlfcn.h>
 727                         int mono_underscore_test (void) { return 42; }
 728                         int main() {
 729                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 730                           handle = dlopen ((void*)0, 0);
 731                           if (handle) {
 732                             f1 = dlsym (handle, "mono_underscore_test");
 733                             f2 = dlsym (handle, "_mono_underscore_test");
 734                           } return (!f2 || f1);
 735                         }],
 736                                 [mono_cv_uscore=yes],
 737                                 [mono_cv_uscore=no],
 738                         [])
 739                 ])
 740                 if test "x$mono_cv_uscore" = "xyes"; then
 741                         MONO_DL_NEED_USCORE=1
 742                 else
 743                         MONO_DL_NEED_USCORE=0
 744                 fi
 745                 AC_SUBST(MONO_DL_NEED_USCORE)
 746                 AC_CHECK_FUNC(dlerror)
 747         fi
 748
 749         dnl ******************************************************************
 750         dnl *** Checks for the IKVM JNI interface library                  ***
 751         dnl ******************************************************************
 752         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 753
 754         ikvm_native_dir=
 755         if test x$with_ikvm_native = xyes; then
 756                 ikvm_native_dir=ikvm-native
 757                 jdk_headers_found="IKVM Native"
 758         fi
 759
 760         AC_SUBST(ikvm_native_dir)
 761
 762         AC_CHECK_HEADERS(execinfo.h)
 763
 764         AC_CHECK_FUNCS(getgrgid_r)
 765         AC_CHECK_FUNCS(getgrnam_r)
 766         AC_CHECK_FUNCS(getpwnam_r)
 767         AC_CHECK_FUNCS(getpwuid_r)
 768         AC_CHECK_FUNCS(getresuid)
 769         AC_CHECK_FUNCS(setresuid)
 770         AC_CHECK_FUNCS(kqueue)
 771         AC_CHECK_FUNCS(backtrace_symbols)
 772         AC_CHECK_FUNCS(mkstemp)
 773         AC_CHECK_FUNCS(mmap)
 774         AC_CHECK_FUNCS(madvise)
 775
 776         dnl ******************************************************************
 777         dnl *** Check for large file support                               ***
 778         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 779         dnl ******************************************************************
 780
 781         # Check that off_t can represent 2**63 - 1 correctly, working around
 782         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 783         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 784         large_offt=no
 785         AC_DEFUN([LARGE_FILES], [
 786                 large_CPPFLAGS=$CPPFLAGS
 787                 CPPFLAGS="$CPPFLAGS $1"
 788                 AC_TRY_RUN([
 789                         #include <sys/types.h>
 790
 791                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 792
 793                         int main(void) {
 794                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 795                                                (BIG_OFF_T%2147483647==1));
 796                                 if(big_off_t) {
 797                                         exit(0);
 798                                 } else {
 799                                         exit(1);
 800                                 }
 801                         }
 802                 ], [
 803                         AC_MSG_RESULT(ok)
 804                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 805                         large_CPPFLAGS="$large_CPPFLAGS $1"
 806                         large_offt=yes
 807                 ], [
 808                         AC_MSG_RESULT(no)
 809                 ], "")
 810                 CPPFLAGS=$large_CPPFLAGS
 811         ])
 812
 813         AC_MSG_CHECKING(if off_t is 64 bits wide)
 814         LARGE_FILES("")
 815         if test $large_offt = no; then
 816                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 817                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 818         fi
 819         if test $large_offt = no; then
 820                 AC_MSG_WARN([No 64 bit file size support available])
 821         fi
 822
 823         dnl *****************************
 824         dnl *** Checks for libsocket  ***
 825         dnl *****************************
 826         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 827
 828         dnl *******************************
 829         dnl *** Checks for MSG_NOSIGNAL ***
 830         dnl *******************************
 831         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 832         AC_TRY_COMPILE([#include <sys/socket.h>], [
 833                 int f = MSG_NOSIGNAL;
 834         ], [
 835                 # Yes, we have it...
 836                 AC_MSG_RESULT(yes)
 837                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 838         ], [
 839                 # We'll have to use signals
 840                 AC_MSG_RESULT(no)
 841         ])
 842
 843         dnl *****************************
 844         dnl *** Checks for SOL_IP     ***
 845         dnl *****************************
 846         AC_MSG_CHECKING(for SOL_IP)
 847         AC_TRY_COMPILE([#include <netdb.h>], [
 848                 int level = SOL_IP;
 849         ], [
 850                 # Yes, we have it...
 851                 AC_MSG_RESULT(yes)
 852                 AC_DEFINE(HAVE_SOL_IP)
 853         ], [
 854                 # We'll have to use getprotobyname
 855                 AC_MSG_RESULT(no)
 856         ])
 857
 858         dnl *****************************
 859         dnl *** Checks for SOL_IPV6     ***
 860         dnl *****************************
 861         AC_MSG_CHECKING(for SOL_IPV6)
 862         AC_TRY_COMPILE([#include <netdb.h>], [
 863                 int level = SOL_IPV6;
 864         ], [
 865                 # Yes, we have it...
 866                 AC_MSG_RESULT(yes)
 867                 AC_DEFINE(HAVE_SOL_IPV6)
 868         ], [
 869                 # We'll have to use getprotobyname
 870                 AC_MSG_RESULT(no)
 871         ])
 872
 873         dnl *****************************
 874         dnl *** Checks for SOL_TCP    ***
 875         dnl *****************************
 876         AC_MSG_CHECKING(for SOL_TCP)
 877         AC_TRY_COMPILE([#include <netdb.h>], [
 878                 int level = SOL_TCP;
 879         ], [
 880                 # Yes, we have it...
 881                 AC_MSG_RESULT(yes)
 882                 AC_DEFINE(HAVE_SOL_TCP)
 883         ], [
 884                 # We'll have to use getprotobyname
 885                 AC_MSG_RESULT(no)
 886         ])
 887
 888         dnl *****************************
 889         dnl *** Checks for IP_PKTINFO ***
 890         dnl *****************************
 891         AC_MSG_CHECKING(for IP_PKTINFO)
 892         AC_TRY_COMPILE([#include <netdb.h>], [
 893                 int level = IP_PKTINFO;
 894         ], [
 895                 # Yes, we have it...
 896                 AC_MSG_RESULT(yes)
 897                 AC_DEFINE(HAVE_IP_PKTINFO)
 898         ], [
 899                 AC_MSG_RESULT(no)
 900         ])
 901
 902         dnl *****************************
 903         dnl *** Checks for IPV6_PKTINFO ***
 904         dnl *****************************
 905         AC_MSG_CHECKING(for IPV6_PKTINFO)
 906         AC_TRY_COMPILE([#include <netdb.h>], [
 907                 int level = IPV6_PKTINFO;
 908         ], [
 909                 # Yes, we have it...
 910                 AC_MSG_RESULT(yes)
 911                 AC_DEFINE(HAVE_IPV6_PKTINFO)
 912         ], [
 913                 AC_MSG_RESULT(no)
 914         ])
 915
 916         dnl **********************************
 917         dnl *** Checks for IP_DONTFRAGMENT ***
 918         dnl **********************************
 919         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
 920         AC_TRY_COMPILE([#include <netdb.h>], [
 921                 int level = IP_DONTFRAGMENT;
 922         ], [
 923                 # Yes, we have it...
 924                 AC_MSG_RESULT(yes)
 925                 AC_DEFINE(HAVE_IP_DONTFRAGMENT)
 926         ], [
 927                 AC_MSG_RESULT(no)
 928         ])
 929
 930         dnl **********************************
 931         dnl *** Checks for IP_MTU_DISCOVER ***
 932         dnl **********************************
 933         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
 934         AC_TRY_COMPILE([#include <netdb.h>], [
 935                 int level = IP_MTU_DISCOVER;
 936         ], [
 937                 # Yes, we have it...
 938                 AC_MSG_RESULT(yes)
 939                 AC_DEFINE(HAVE_IP_MTU_DISCOVER)
 940         ], [
 941                 AC_MSG_RESULT(no)
 942         ])
 943
 944         dnl *********************************
 945         dnl *** Check for struct ip_mreqn ***
 946         dnl *********************************
 947         AC_MSG_CHECKING(for struct ip_mreqn)
 948         AC_TRY_COMPILE([#include <netinet/in.h>], [
 949                 struct ip_mreqn mreq;
 950                 mreq.imr_address.s_addr = 0;
 951         ], [
 952                 # Yes, we have it...
 953                 AC_MSG_RESULT(yes)
 954                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 955         ], [
 956                 # We'll just have to try and use struct ip_mreq
 957                 AC_MSG_RESULT(no)
 958                 AC_MSG_CHECKING(for struct ip_mreq)
 959                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 960                         struct ip_mreq mreq;
 961                         mreq.imr_interface.s_addr = 0;
 962                 ], [
 963                         # Yes, we have it...
 964                         AC_MSG_RESULT(yes)
 965                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 966                 ], [
 967                         # No multicast support
 968                         AC_MSG_RESULT(no)
 969                 ])
 970         ])
 971
 972         dnl **********************************
 973         dnl *** Check for gethostbyname2_r ***
 974         dnl **********************************
 975         AC_MSG_CHECKING(for gethostbyname2_r)
 976                 AC_TRY_LINK([#include <netdb.h>], [
 977                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 978         ], [
 979                 # Yes, we have it...
 980                 AC_MSG_RESULT(yes)
 981                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 982         ], [
 983                 AC_MSG_RESULT(no)
 984         ])
 985
 986         dnl *****************************
 987         dnl *** Checks for libnsl     ***
 988         dnl *****************************
 989         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
 990
 991         AC_CHECK_FUNCS(inet_pton inet_aton)
 992
 993         dnl ***********************************************
 994         dnl *** Checks for size of sockaddr_un.sun_path ***
 995         dnl ***********************************************
 996         # AC_CHECK_SIZEOF can't cope with struct members :-(
 997         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 998         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 999                 [AC_TRY_RUN([
1000                         #include <sys/types.h>
1001                         #include <stdio.h>
1002                         #include <sys/un.h>
1003
1004                         int main(void) {
1005                                 struct sockaddr_un sock_un;
1006                                 FILE *f=fopen("conftestval", "w");
1007                                 if(!f) exit(1);
1008                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1009                                 exit(0);
1010                         }
1011                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
1012                    cv_mono_sizeof_sunpath=0,
1013                    cv_mono_sizeof_sunpath=0)])dnl
1014         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
1015         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
1016
1017         dnl *************************************
1018         dnl *** Checks for zero length arrays ***
1019         dnl *************************************
1020         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1021         AC_TRY_COMPILE([
1022                 struct s {
1023                         int  length;
1024                         char data [0];
1025                 };
1026         ], [], [
1027                 AC_MSG_RESULT(yes)
1028                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
1029         ], [
1030                 AC_MSG_RESULT(no)
1031                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
1032         ])
1033
1034         dnl *****************************
1035         dnl *** Checks for libxnet    ***
1036         dnl *****************************
1037         case "${host}" in
1038                 *solaris* )
1039                         AC_MSG_CHECKING(for Solaris XPG4 support)
1040                         if test -f /usr/lib/libxnet.so; then
1041                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1042                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1043                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1044                                 LIBS="$LIBS -lxnet"
1045                                 AC_MSG_RESULT(yes)
1046                         else
1047                                 AC_MSG_RESULT(no)
1048                         fi
1049
1050                         if test "$GCC" = "yes"; then
1051                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1052                         fi
1053                 ;;
1054         esac
1055
1056         dnl *****************************
1057         dnl *** Checks for libpthread ***
1058         dnl *****************************
1059 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1060 # and libpthread does not exist
1061 #
1062         case "${host}" in
1063                 *-*-*freebsd4*)
1064                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1065                 ;;
1066                 *-*-*freebsd5*)
1067                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1068                 ;;
1069                 *-*-*freebsd6*)
1070                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1071                 ;;
1072                 *)
1073                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1074                 ;;
1075         esac
1076         AC_CHECK_HEADERS(pthread.h)
1077         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1078         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1079         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1080         AC_TRY_COMPILE([ #include <pthread.h>], [
1081                 pthread_mutexattr_t attr;
1082                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1083         ], [
1084                 AC_MSG_RESULT(ok)
1085         ], [
1086                 AC_MSG_RESULT(no)
1087                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1088                 AC_DEFINE(USE_MONO_MUTEX)
1089         ])
1090         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1091         AC_CHECK_FUNCS(pthread_attr_getstack)
1092         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1093
1094         dnl ***********************************
1095         dnl *** Checks for working __thread ***
1096         dnl ***********************************
1097         AC_MSG_CHECKING(for working __thread)
1098         if test "x$with_tls" != "x__thread"; then
1099                 AC_MSG_RESULT(disabled)
1100         else
1101                 AC_TRY_RUN([
1102                         #include <pthread.h>
1103                         __thread int i;
1104                         static int res1, res2;
1105
1106                         void thread_main (void *arg)
1107                         {
1108                                 i = arg;
1109                                 sleep (1);
1110                                 if (arg == 1)
1111                                         res1 = (i == arg);
1112                                 else
1113                                         res2 = (i == arg);
1114                         }
1115
1116                         int main () {
1117                                 pthread_t t1, t2;
1118
1119                                 i = 5;
1120
1121                                 pthread_create (&t1, NULL, thread_main, 1);
1122                                 pthread_create (&t2, NULL, thread_main, 2);
1123
1124                                 pthread_join (t1, NULL);
1125                                 pthread_join (t2, NULL);
1126
1127                                 return !(res1 + res2 == 2);
1128                         }
1129                 ], [
1130                                 AC_MSG_RESULT(yes)
1131                 ], [
1132                                 AC_MSG_RESULT(no)
1133                                 with_tls=pthread
1134                 ])
1135         fi
1136
1137         dnl **************************************
1138         dnl *** Checks for working sigaltstack ***
1139         dnl **************************************
1140         AC_MSG_CHECKING(for working sigaltstack)
1141         if test "x$with_sigaltstack" != "xyes"; then
1142                 AC_MSG_RESULT(disabled)
1143         else
1144                 AC_TRY_RUN([
1145                         #include <stdio.h>
1146                         #include <stdlib.h>
1147                         #include <unistd.h>
1148                         #include <signal.h>
1149                         #include <pthread.h>
1150                         #include <sys/wait.h>
1151                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1152                         #define SA_STACK SA_ONSTACK
1153                         #endif
1154                         static void
1155                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1156                         {
1157                                 exit (0);
1158                         }
1159
1160                         static void *
1161                         loop (void *ignored)
1162                         {
1163                                 char *ptr = NULL;
1164
1165                                 *ptr = 0;
1166                                 return NULL;
1167                         }
1168
1169                         static void
1170                         child ()
1171                         {
1172                                 struct sigaction sa;
1173                                 struct sigaltstack sas;
1174                                 pthread_t id;
1175                                 pthread_attr_t attr;
1176
1177                                 sa.sa_sigaction = sigsegv_signal_handler;
1178                                 sigemptyset (&sa.sa_mask);
1179                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1180                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1181                                         perror ("sigaction");
1182                                         return;
1183                                 }
1184
1185                                 sas.ss_sp = malloc (SIGSTKSZ);
1186                                 sas.ss_size = SIGSTKSZ;
1187                                 sas.ss_flags = 0;
1188                                 if (sigaltstack (&sas, NULL) == -1) {
1189                                         perror ("sigaltstack");
1190                                         return;
1191                                 }
1192
1193                                 pthread_attr_init (&attr);
1194                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1195                                         printf ("pthread_create\n");
1196                                         return;
1197                                 }
1198
1199                                 sleep (100);
1200                         }
1201
1202                         int
1203                         main ()
1204                         {
1205                                 pid_t son;
1206                                 int status;
1207                                 int i;
1208
1209                                 son = fork ();
1210                                 if (son == -1) {
1211                                         return 1;
1212                                 }
1213
1214                                 if (son == 0) {
1215                                         child ();
1216                                         return 0;
1217                                 }
1218
1219                                 for (i = 0; i < 3; ++i) {
1220                                         sleep (1);
1221                                         waitpid (son, &status, WNOHANG);
1222                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1223                                                 return 0;
1224                                 }
1225
1226                                 kill (son, SIGKILL);
1227                                 return 1;
1228                         }
1229
1230                 ], [
1231                                 AC_MSG_RESULT(yes)
1232                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
1233                 ], [
1234                                 with_sigaltstack=no
1235                                 AC_MSG_RESULT(no)
1236                 ])
1237         fi
1238
1239         dnl ********************************
1240         dnl *** Checks for semaphore lib ***
1241         dnl ********************************
1242         # 'Real Time' functions on Solaris
1243         # posix4 on Solaris 2.6
1244         # pthread (first!) on Linux
1245         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1246
1247         dnl ********************************
1248         dnl *** Checks for timezone stuff **
1249         dnl ********************************
1250         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1251                 AC_TRY_COMPILE([
1252                         #include <time.h>
1253                         ], [
1254                         struct tm tm;
1255                         tm.tm_gmtoff = 1;
1256                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1257         if test $ac_cv_struct_tm_gmtoff = yes; then
1258                 AC_DEFINE(HAVE_TM_GMTOFF)
1259         else
1260                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1261                         AC_TRY_COMPILE([
1262                                 #include <time.h>
1263                         ], [
1264                                 timezone = 1;
1265                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1266                 if test $ac_cv_var_timezone = yes; then
1267                         AC_DEFINE(HAVE_TIMEZONE)
1268                 else
1269                         AC_ERROR(unable to find a way to determine timezone)
1270                 fi
1271         fi
1272
1273         dnl *********************************
1274         dnl *** Checks for math functions ***
1275         dnl *********************************
1276         LIBS="$LIBS -lm";
1277         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1278                 AC_TRY_LINK([#include <math.h>],
1279                 [ finite(0.0); ],
1280                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1281                 AC_MSG_RESULT(no)))
1282         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1283                 AC_TRY_LINK([#include <math.h>],
1284                 [ isfinite(0.0); ],
1285                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1286                 AC_MSG_RESULT(no)))
1287
1288         dnl ****************************************************************
1289         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1290         dnl *** have it in the library (duh))                            ***
1291         dnl ****************************************************************
1292         AC_CHECK_FUNCS(poll)
1293
1294         dnl *************************
1295         dnl *** Check for signbit ***
1296         dnl *************************
1297         AC_MSG_CHECKING(for signbit)
1298         AC_TRY_LINK([#include <math.h>], [
1299                 int s = signbit(1.0);
1300         ], [
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_SIGNBIT)
1303         ], [
1304                 AC_MSG_RESULT(no)
1305         ])
1306
1307         dnl **********************************
1308         dnl *** epoll                      ***
1309         dnl **********************************
1310         AC_CHECK_HEADERS(sys/epoll.h)
1311         haveepoll=no
1312         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1313         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1314                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1315         fi
1316
1317         dnl ******************************
1318         dnl *** Checks for SIOCGIFCONF ***
1319         dnl ******************************
1320         AC_CHECK_HEADERS(sys/ioctl.h)
1321         AC_CHECK_HEADERS(net/if.h)
1322         AC_MSG_CHECKING(for ifreq)
1323         AC_TRY_COMPILE([
1324                 #include <sys/ioctl.h>
1325                 #include <net/if.h>
1326                 ], [
1327                 struct ifconf ifc;
1328                 struct ifreq *ifr;
1329                 void *x;
1330                 ifc.ifc_len = 0;
1331                 ifc.ifc_buf = NULL;
1332                 x = (void *) &ifr->ifr_addr;
1333                 ],[
1334                         AC_MSG_RESULT(yes)
1335                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1336                 ], [
1337                         AC_MSG_RESULT(no)
1338                 ])
1339         dnl **********************************
1340         dnl *** Checks for MonoPosixHelper ***
1341         dnl **********************************
1342         AC_CHECK_HEADERS(checklist.h)
1343         AC_CHECK_HEADERS(fstab.h)
1344         AC_CHECK_HEADERS(attr/xattr.h)
1345         AC_CHECK_HEADERS(sys/extattr.h)
1346         AC_CHECK_HEADERS(sys/sendfile.h)
1347         AC_CHECK_HEADERS(sys/statvfs.h)
1348         AC_CHECK_HEADERS(sys/vfstab.h)
1349         AC_CHECK_HEADERS(sys/xattr.h)
1350         AC_CHECK_HEADERS(sys/mman.h)
1351         AC_CHECK_FUNCS(getdomainname)
1352         AC_CHECK_FUNCS(setdomainname)
1353         AC_CHECK_FUNCS(fgetgrent)
1354         AC_CHECK_FUNCS(fgetpwent)
1355         AC_CHECK_FUNCS(fgetpwent)
1356         AC_CHECK_FUNCS(getfsstat)
1357         AC_CHECK_FUNCS(lutimes)
1358         AC_CHECK_FUNCS(mremap)
1359         AC_CHECK_FUNCS(remap_file_pages)
1360         AC_CHECK_FUNCS(posix_fadvise)
1361         AC_CHECK_FUNCS(posix_fallocate)
1362         AC_CHECK_FUNCS(posix_madvise)
1363         AC_CHECK_FUNCS(vsnprintf)
1364         AC_CHECK_FUNCS(sendfile)
1365         AC_CHECK_FUNCS(sethostid)
1366         AC_CHECK_FUNCS(statfs)
1367         AC_CHECK_FUNCS(fstatfs)
1368         AC_CHECK_FUNCS(statvfs)
1369         AC_CHECK_FUNCS(fstatvfs)
1370         AC_CHECK_FUNCS(stime)
1371         AC_CHECK_FUNCS(strerror_r)
1372         AC_CHECK_FUNCS(ttyname_r)
1373         AC_CHECK_SIZEOF(size_t)
1374         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1375                 [#include <sys/types.h>
1376                  #include <sys/stat.h>
1377                  #include <unistd.h>])
1378         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1379                 [#include <sys/types.h>
1380                  #include <sys/stat.h>
1381                  #include <unistd.h>])
1382         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1383                 [#include <sys/time.h>])
1384         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1385                 [#include <sys/poll.h>])
1386         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1387                 [#include <sys/types.h>
1388                  #include <sys/stat.h>
1389                  #include <unistd.h>])
1390         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1391                 [#include <sys/time.h>
1392                  #include <sys/types.h>
1393                  #include <utime.h>])
1394         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1395                 [#include <sys/time.h>])
1396         AC_CHECK_MEMBERS(
1397                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1398                 [#include <sys/types.h>
1399                  #include <dirent.h>])
1400
1401         dnl Favour xattr through glibc, but use libattr if we have to
1402         AC_CHECK_FUNC(lsetxattr, ,
1403                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1404         )
1405         AC_SUBST(XATTR_LIB)
1406
1407         dnl *********************************
1408         dnl *** Check for Console 2.0 I/O ***
1409         dnl *********************************
1410         AC_CHECK_HEADERS([curses.h])
1411         AC_CHECK_HEADERS([term.h], [], [],
1412         [#if HAVE_CURSES_H
1413          #include <curses.h>
1414          #endif
1415         ])
1416         AC_CHECK_HEADERS([termios.h])
1417
1418         dnl * This is provided in io-layer, but on windows it's only available
1419         dnl * on xp+
1420         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1421 else
1422         jdk_headers_found=no
1423         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1424         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1425         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1426         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1427         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1428
1429         dnl *********************************
1430         dnl *** Check for struct ip_mreqn ***
1431         dnl *********************************
1432         AC_MSG_CHECKING(for struct ip_mreqn)
1433         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1434                 struct ip_mreqn mreq;
1435                 mreq.imr_address.s_addr = 0;
1436         ], [
1437                 # Yes, we have it...
1438                 AC_MSG_RESULT(yes)
1439                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1440         ], [
1441                 # We'll just have to try and use struct ip_mreq
1442                 AC_MSG_RESULT(no)
1443                 AC_MSG_CHECKING(for struct ip_mreq)
1444                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1445                         struct ip_mreq mreq;
1446                         mreq.imr_interface.s_addr = 0;
1447                 ], [
1448                         # Yes, we have it...
1449                         AC_MSG_RESULT(yes)
1450                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1451                 ], [
1452                         # No multicast support
1453                         AC_MSG_RESULT(no)
1454                 ])
1455         ])
1456         AC_CHECK_FUNCS(GetProcessId)
1457 fi
1458
1459 dnl socklen_t check
1460 AC_MSG_CHECKING(for socklen_t)
1461 AC_TRY_COMPILE([
1462 #include <sys/types.h>
1463 #include <sys/socket.h>
1464 ],[
1465   socklen_t foo;
1466 ],[
1467 ac_cv_c_socklen_t=yes
1468         AC_DEFINE(HAVE_SOCKLEN_T)
1469         AC_MSG_RESULT(yes)
1470 ],[
1471         AC_MSG_RESULT(no)
1472 ])
1473
1474 AC_MSG_CHECKING(for array element initalizer support)
1475 AC_TRY_COMPILE([#include <sys/socket.h>], [
1476         const int array[] = {[1] = 2,};
1477 ], [
1478         # Yes, we have it...
1479         AC_MSG_RESULT(yes)
1480         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1481 ], [
1482         # We'll have to use signals
1483         AC_MSG_RESULT(no)
1484 ])
1485
1486 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1487         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1488         AC_TRY_LINK([#include <math.h>],
1489         [ static void *p = &trunc; ],
1490         [
1491                 AC_DEFINE(HAVE_TRUNC)
1492                 AC_MSG_RESULT(yes)
1493                 ac_cv_trunc=yes
1494         ],
1495         AC_MSG_RESULT(no)))
1496
1497 if test "x$ac_cv_truncl" != "xyes"; then
1498    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1499 fi
1500
1501 dnl ****************************
1502 dnl *** Look for /dev/random ***
1503 dnl ****************************
1504
1505 AC_MSG_CHECKING([if usage of random device is requested])
1506 AC_ARG_ENABLE(dev-random,
1507 [  --disable-dev-random    disable the use of the random device],
1508 try_dev_random=$enableval, try_dev_random=yes)
1509 AC_MSG_RESULT($try_dev_random)
1510
1511 case "{$target}" in
1512     *-openbsd*)
1513     NAME_DEV_RANDOM="/dev/srandom"
1514     ;;
1515
1516 dnl Win32 does not have /dev/random, they have their own method...
1517
1518     *-*-mingw*|*-*-cygwin*)
1519     ac_cv_have_dev_random=no
1520     ;;
1521
1522 dnl Everywhere else, it's /dev/random
1523
1524     *)
1525     NAME_DEV_RANDOM="/dev/random"
1526     ;;
1527 esac
1528
1529 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1530
1531 dnl Now check if the device actually exists
1532
1533 if test "x$try_dev_random" = "xyes"; then
1534     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1535     [if test -r "$NAME_DEV_RANDOM" ; then
1536         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1537     if test "x$ac_cv_have_dev_random" = "xyes"; then
1538         AC_DEFINE(HAVE_CRYPT_RNG)
1539     fi
1540 else
1541     AC_MSG_CHECKING(for random device)
1542     ac_cv_have_dev_random=no
1543     AC_MSG_RESULT(has been disabled)
1544 fi
1545
1546 if test "x$platform_win32" = "xyes"; then
1547     AC_DEFINE(HAVE_CRYPT_RNG)
1548 fi
1549
1550 if test "x$ac_cv_have_dev_random" = "xno" \
1551     && test "x$platform_win32" = "xno"; then
1552     AC_MSG_WARN([[
1553 ***
1554 *** A system-provided entropy source was not found on this system.
1555 *** Because of this, the System.Security.Cryptography random number generator
1556 *** will throw a NotImplemented exception.
1557 ***
1558 *** If you are seeing this message, and you know your system DOES have an
1559 *** entropy collection in place, please contact <crichton@gimp.org> and
1560 *** provide information about the system and how to access the random device.
1561 ***
1562 *** Otherwise you can install either egd or prngd and set the environment
1563 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1564 ***]])
1565 fi
1566
1567 AC_MSG_CHECKING([if inter-process shared handles are requested])
1568 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1569 AC_MSG_RESULT($try_shared_handles)
1570 if test "x$try_shared_handles" != "xyes"; then
1571         AC_DEFINE(DISABLE_SHARED_HANDLES)
1572         AC_SUBST(DISABLE_SHARED_HANDLES)
1573 fi
1574
1575 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1576 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1577
1578 TARGET="unknown"
1579 ACCESS_UNALIGNED="yes"
1580
1581 JIT_SUPPORTED=no
1582 INTERP_SUPPORTED=no
1583 LIBC="libc.so.6"
1584 INTL="libc.so.6"
1585 SQLITE="libsqlite.so.0"
1586 SQLITE3="libsqlite3.so.0"
1587 X11="libX11.so"
1588
1589 jit_wanted=false
1590 interp_wanted=false
1591 case "$host" in
1592 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1593 #               TARGET=MIPS;
1594 #               ACCESS_UNALIGNED="no"
1595 #               ;;
1596         mips*)
1597                 TARGET=MIPS;
1598                 arch_target=mips;
1599                 ACCESS_UNALIGNED="no"
1600                 JIT_SUPPORTED=yes
1601                 jit_wanted=true
1602                 ;;
1603         i*86-*-*)
1604                 TARGET=X86;
1605                 arch_target=x86;
1606                 JIT_SUPPORTED=yes
1607                 jit_wanted=true
1608                 case $host_os in
1609                   solaris*)
1610                         LIBC="libc.so"
1611                         INTL="libintl.so"
1612
1613                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1614                         # int astruct __attribute__ ((visibility ("hidden")));
1615                         # void foo ()
1616                         # {
1617                         #       void *p = &astruct;
1618                         # }
1619                         # gcc -fPIC --shared -o libfoo.so foo.c
1620                         # yields:
1621                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1622                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1623                         have_visibility_hidden=no
1624
1625                 esac
1626                 ;;
1627         x86_64-*-* | amd64-*-*)
1628                 TARGET=AMD64;
1629                 arch_target=amd64;
1630                 JIT_SUPPORTED=yes
1631                 jit_wanted=true
1632                 ;;
1633         ia64-*-*)
1634                 TARGET=IA64
1635                 arch_target=ia64
1636                 ACCESS_UNALIGNED="no"
1637                 JIT_SUPPORTED=yes
1638                 jit_wanted=true
1639                 LIBC="libc.so.6.1"
1640                 INTL="libc.so.6.1"
1641                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1642                 libmono_ldflags="-lunwind"
1643                 ;;
1644         sparc*-*-*)
1645                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1646                    TARGET=SPARC64
1647                 else
1648                         TARGET=SPARC
1649                 fi
1650                 arch_target=sparc;
1651                 JIT_SUPPORTED=yes
1652                 ACCESS_UNALIGNED="no"
1653                 case $host_os in
1654                   linux*) ;;
1655                   *)
1656                         LIBC="libc.so"
1657                         INTL="libintl.so"
1658                 esac
1659                 jit_wanted=true
1660                 if test x"$GCC" = xyes; then
1661                         # We don't support v8 cpus
1662                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1663                 fi
1664                 if test x"$AR" = xfalse; then
1665                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1666                 fi
1667                 ;;
1668        alpha*-*-linux* | alpha*-*-osf*)
1669                 TARGET=ALPHA;
1670                 ACCESS_UNALIGNED="no"
1671                 JIT_SUPPORTED=yes
1672                 jit_wanted=true
1673                 arch_target=alpha;
1674                 CFLAGS="$CFLAGS -mieee -O0"
1675                 case $host_os in
1676                   linux*)
1677                         LIBC="libc.so.6.1"
1678                         INTL="libc.so.6.1"
1679                 esac
1680                ;;
1681         *-*-mingw*|*-*-cygwin*)
1682                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1683                 have_visibility_hidden=no
1684                 INTL="intl"
1685                 ;;
1686         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1687                 TARGET=HPPA;
1688                 arch_target=hppa;
1689                 LIBC="libc.sl"
1690                 ACCESS_UNALIGNED="no"
1691                 INTERP_SUPPORTED=yes
1692                 interp_wanted=true
1693                 ;;
1694         hppa*linux*)
1695                 TARGET=HPPA;
1696                 arch_target=hppa;
1697                 ACCESS_UNALIGNED="no"
1698                 INTERP_SUPPORTED=yes
1699                 interp_wanted=true
1700                 ;;
1701         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1702         powerpc-*-sysv* | powerpc-*-darwin*)
1703                 TARGET=POWERPC;
1704                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1705                 arch_target=ppc;
1706                 JIT_SUPPORTED=yes
1707                 jit_wanted=true
1708                 ;;
1709         arm*-linux*)
1710                 TARGET=ARM;
1711                 arch_target=arm;
1712                 ACCESS_UNALIGNED="no"
1713                 JIT_SUPPORTED=yes
1714                 jit_wanted=true
1715                 ;;
1716         s390-*-linux*)
1717                 TARGET=S390;
1718                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1719                 arch_target=s390;
1720                 ACCESS_UNALIGNED="no"
1721                 JIT_SUPPORTED=yes
1722                 jit_wanted=true
1723                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1724                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1725                 ;;
1726         s390x-*-linux*)
1727                 TARGET=S390x;
1728                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1729                 arch_target=s390x;
1730                 ACCESS_UNALIGNED="no"
1731                 JIT_SUPPORTED=yes
1732                 jit_wanted=true
1733                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1734                 ;;
1735 esac
1736
1737 if test "x$have_visibility_hidden" = "xyes"; then
1738    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1739 fi
1740
1741 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1742         if test x$withval = xyes; then
1743            jit_wanted=true
1744         else
1745            jit_wanted=false
1746         fi
1747 ])
1748
1749 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1750         if test x$withval = xyes; then
1751            interp_wanted=true
1752         else
1753            interp_wanted=false
1754         fi
1755 ])
1756
1757 USEJIT=false
1758 if test x$JIT_SUPPORTED = xyes; then
1759    if $jit_wanted; then
1760       USEJIT=true
1761       jit_status="Building and using the JIT"
1762    else
1763       if $interp_wanted; then
1764          jit_status="Building the JIT, defaulting to the interpreter"
1765       else
1766          AC_ERROR(No JIT or interpreter support available or selected.)
1767       fi
1768    fi
1769 else
1770    if test x$interp_wanted = xtrue; then
1771       jit_status="interpreter"
1772    else
1773       AC_ERROR(No JIT or interpreter support available or selected.)
1774    fi
1775 fi
1776
1777 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1778
1779 libsuffix=".so"
1780
1781 case "$host" in
1782      *-*-darwin*)
1783         libsuffix=".dylib"
1784         LIBC="libc.dylib"
1785         INTL="libintl.dylib"
1786         SQLITE="libsqlite.0.dylib"
1787         SQLITE3="libsqlite3.0.dylib"
1788         X11="libX11.dylib"
1789         ;;
1790      *-*-*netbsd*)
1791         LIBC="libc.so.12"
1792         INTL="libintl.so.0"
1793         ;;
1794     *-*-*freebsd*)
1795         LIBC="libc.so"
1796         INTL="libintl.so"
1797         ;;
1798     *-*-*openbsd*)
1799         LIBC="libc.so"
1800         INTL="libintl.so"
1801         ;;
1802     *-*-*linux*)
1803         AC_PATH_X
1804         AC_MSG_CHECKING(for the soname of libX11.so)
1805         for i in $x_libraries /usr/lib /usr/lib64; do
1806                 for r in 4 5 6; do
1807                         if test -f $i/libX11.so.$r; then
1808                                 X11=libX11.so.$r
1809                                 AC_MSG_RESULT($X11)
1810                         fi
1811                 done
1812         done
1813
1814         if test "x$X11" = "xlibX11.so"; then
1815                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
1816         fi
1817         ;;
1818 esac
1819
1820
1821 AC_SUBST(libsuffix)
1822
1823 if test "x$TARGET" != "xAMD64"; then
1824    # valgrind headers don't compile under x86-64
1825    AC_CHECK_HEADERS(valgrind/memcheck.h)
1826 fi
1827
1828 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1829         if test "x$with_tls" = "x__thread"; then
1830                 #
1831                 # On some linux distributions, TLS works in executables, but linking
1832                 # against a shared library containing TLS fails with:
1833                 # undefined reference to `__tls_get_addr'
1834                 #
1835                 rm -f conftest.c conftest.so conftest
1836                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1837                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1838                 $CC -o conftest conftest.so > /dev/null 2>&1
1839                 if test ! -f conftest; then
1840                    AC_MSG_WARN([Disabling usage of __thread.]);
1841                    with_tls=pthread
1842                 fi
1843                 rm -f conftest.c conftest.so conftest
1844         fi
1845 fi
1846
1847 mono_debugger_supported=no
1848 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
1849         if test x$use_included_gc = xyes; then
1850                 case "$host" in
1851                 *-*-*linux*)
1852                         mono_debugger_supported=yes
1853                         ;;
1854                 esac
1855         fi
1856 fi
1857
1858 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
1859 if test "x$mono_debugger_supported" = "xyes"; then
1860         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
1861 fi
1862 AC_MSG_RESULT($mono_debugger_supported)
1863 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
1864
1865 if test "x$with_tls" = "x__thread"; then
1866         AC_DEFINE(HAVE_KW_THREAD)
1867         # Pass the information to libgc
1868         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1869         AC_MSG_CHECKING(if the tls_model attribute is supported)
1870         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
1871                 ], [
1872                         AC_MSG_RESULT(yes)
1873                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
1874                 ], [
1875                         AC_MSG_RESULT(no)
1876         ])
1877 fi
1878
1879 if test ${TARGET} = ARM; then
1880         dnl ******************************************
1881         dnl *** Check to see what FPU is available ***
1882         dnl ******************************************
1883         AC_MSG_CHECKING(which FPU to use)
1884
1885         AC_TRY_COMPILE([], [
1886                 __asm__ ("ldfd f0, [r0]");
1887                 ], fpu=FPA, [
1888                         AC_TRY_COMPILE([], [
1889                                 __asm__ ("fldd d0, [r0]");
1890                         ], fpu=VFP, fpu=NONE)
1891                 ])
1892
1893         AC_MSG_RESULT($fpu)
1894         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
1895         unset fpu
1896 fi
1897
1898 if test ${TARGET} = unknown; then
1899         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1900         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1901 fi
1902
1903 if test ${ACCESS_UNALIGNED} = no; then
1904         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1905 fi
1906
1907 PREVIEW=yes
1908 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1909         if test x$with_preview = xno; then
1910               PREVIEW=no
1911         fi
1912 ])
1913
1914 libmono_ldflags="$libmono_ldflags $LIBS"
1915
1916 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1917
1918 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1919 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1920 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1921 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1922 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1923 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1924 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1925 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1926 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1927 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
1928 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1929 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1930 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1931 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1932 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1933
1934 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1935 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1936 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1937
1938 AC_SUBST(LIBC)
1939 AC_SUBST(INTL)
1940 AC_SUBST(SQLITE)
1941 AC_SUBST(SQLITE3)
1942 AC_SUBST(X11)
1943 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
1944 AC_SUBST(arch_target)
1945 AC_SUBST(CFLAGS)
1946 AC_SUBST(CPPFLAGS)
1947 AC_SUBST(LDFLAGS)
1948
1949 mono_build_root=`pwd`
1950 AC_SUBST(mono_build_root)
1951
1952 if test x$USEJIT = xtrue; then
1953   mono_runtime=mono/mini/mono
1954 else
1955   mono_runtime=mono/interpreter/mint
1956 fi
1957 AC_SUBST(mono_runtime)
1958
1959 mono_cfg_root=$mono_build_root/runtime
1960 if test x$platform_win32 = xyes; then
1961   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1962 else
1963   mono_cfg_dir=$mono_cfg_root/etc
1964 fi
1965 AC_SUBST(mono_cfg_dir)
1966
1967 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1968 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
1969 AC_CONFIG_FILES([runtime/semdel-wrapper],[chmod +x runtime/semdel-wrapper])
1970
1971 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1972 [   depth=../../../..
1973     case $srcdir in
1974     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1975     .) reldir=$depth ;;
1976     *) reldir=$depth/$srcdir ;;
1977     esac
1978     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1979     cd runtime/etc/mono/1.0
1980     rm -f machine.config
1981     $LN_S $reldir/data/net_1_1/machine.config machine.config
1982     cd $depth
1983 ],[LN_S='$LN_S'])
1984
1985 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1986 [   depth=../../../..
1987     case $srcdir in
1988     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
1989     .) reldir=$depth ;;
1990     *) reldir=$depth/$srcdir ;;
1991     esac
1992     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1993     cd runtime/etc/mono/2.0
1994     rm -f machine.config
1995     $LN_S $reldir/data/net_2_0/machine.config machine.config
1996     cd $depth
1997 ],[LN_S='$LN_S'])
1998
1999 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2000 [   depth=../../../..
2001     case $srcdir in
2002     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2003     .) reldir=$depth ;;
2004     *) reldir=$depth/$srcdir ;;
2005     esac
2006     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2007     cd runtime/etc/mono/2.0
2008     rm -f web.config
2009     $LN_S $reldir/data/net_2_0/web.config web.config
2010     cd $depth
2011 ],[LN_S='$LN_S'])
2012
2013 AC_OUTPUT([
2014 Makefile
2015 mint.pc
2016 mono.pc
2017 mono-cairo.pc
2018 dotnet.pc
2019 mono-uninstalled.pc
2020 scripts/mono-nunit.pc
2021 scripts/mono-find-provides
2022 scripts/mono-find-requires
2023 mono/Makefile
2024 mono/utils/Makefile
2025 mono/metadata/Makefile
2026 mono/dis/Makefile
2027 mono/cil/Makefile
2028 mono/arch/Makefile
2029 mono/os/Makefile
2030 mono/arch/x86/Makefile
2031 mono/arch/amd64/Makefile
2032 mono/arch/hppa/Makefile
2033 mono/arch/ppc/Makefile
2034 mono/arch/sparc/Makefile
2035 mono/arch/s390/Makefile
2036 mono/arch/s390x/Makefile
2037 mono/arch/arm/Makefile
2038 mono/arch/alpha/Makefile
2039 mono/arch/ia64/Makefile
2040 mono/arch/mips/Makefile
2041 mono/interpreter/Makefile
2042 mono/tests/Makefile
2043 mono/tests/tests-config
2044 mono/tests/cas/Makefile
2045 mono/tests/cas/assembly/Makefile
2046 mono/tests/cas/demand/Makefile
2047 mono/tests/cas/inheritance/Makefile
2048 mono/tests/cas/linkdemand/Makefile
2049 mono/tests/cas/threads/Makefile
2050 mono/benchmark/Makefile
2051 mono/monoburg/Makefile
2052 mono/monograph/Makefile
2053 mono/io-layer/Makefile
2054 mono/mini/Makefile
2055 mono/profiler/Makefile
2056 ikvm-native/Makefile
2057 scripts/Makefile
2058 man/Makefile
2059 web/Makefile
2060 docs/Makefile
2061 data/Makefile
2062 data/net_1_1/Makefile
2063 data/net_2_0/Makefile
2064 samples/Makefile
2065 support/Makefile
2066 data/config
2067 tools/Makefile
2068 tools/locale-builder/Makefile
2069 runtime/Makefile
2070 ])
2071
2072 if test x$platform_win32 = xyes; then
2073    # Get rid of 'cyg' prefixes in library names
2074    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2075    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2076    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2077    # executable doesn't work...
2078    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2079 fi
2080
2081 (
2082   case $prefix in
2083   NONE) prefix=$ac_default_prefix ;;
2084   esac
2085   case $exec_prefix in
2086   NONE) exec_prefix='${prefix}' ;;
2087   esac
2088
2089   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2090
2091   #
2092   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2093   # any existing config.make.  This allows people to share the same source tree
2094   # with different build directories, one native and one cross
2095   #
2096   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2097     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2098     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2099     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2100     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2101     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2102     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2103     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2104
2105     case $INSTALL in
2106     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2107     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2108     esac
2109
2110     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2111
2112     export VERSION
2113     [myver=$($AWK 'BEGIN {
2114       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2115       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2116     }')]
2117
2118     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2119   fi
2120 )
2121
2122 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2123
2124 echo "
2125         mcs source:  $mcs_topdir
2126         GC:          $gc
2127         TLS:         $with_tls
2128         SIGALTSTACK: $with_sigaltstack
2129         Engine:      $jit_status
2130         2.0 Alpha:   $PREVIEW
2131         JNI support: $jdk_headers_found
2132         libgdiplus:  $libgdiplus_msg
2133         zlib:        $zlib_msg
2134         $disabled
2135
2136 "
2137 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2138    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexepcted bugs)
2139 fi
2140
2141 if test x$gc = xsgen; then
2142         echo IMPORTANT:
2143         echo IMPORTANT: You have selected an experimental, work-in-progress
2144         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2145         echo IMPORTANT: and is not yet ready for use.
2146         echo IMPORTANT:
2147         echo IMPORTANT: There are known problems with it, use at your own risk.
2148 fi