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,2.5)
  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 $srcdir/libgc ; then
  34   gc_default=included
  35 else
  36   gc_default=boehm
  37 fi
  38
  39 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  40 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  41 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  42 CFLAGS_FOR_LIBGC=$CFLAGS
  43
  44 #
  45 # These are the flags that need to be stored in the mono.pc file for
  46 # compiling code that will embed Mono
  47 #
  48 libmono_cflags=""
  49 libmono_ldflags=""
  50 AC_SUBST(libmono_cflags)
  51 AC_SUBST(libmono_ldflags)
  52
  53 # Variable to have relocatable .pc files (lib, or lib64)
  54 reloc_libdir=`basename ${libdir}`
  55 AC_SUBST(reloc_libdir)
  56
  57 dnl if linker handles the version script
  58 no_version_script=no
  59
  60 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  61 need_link_unlink=no
  62
  63 # Thread configuration inspired by sleepycat's db
  64 AC_MSG_CHECKING([host platform characteristics])
  65 libgc_threads=no
  66 has_dtrace=no
  67 parallel_mark=yes
  68 case "$host" in
  69         *-*-mingw*|*-*-cygwin*)
  70                 platform_win32=yes
  71                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  72                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  73                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  74                 if test "x$cross_compiling" = "xno"; then
  75                         CC="gcc -mno-cygwin -g"
  76                         # So libgc configure gets -mno-cygwin
  77                         export CC
  78                 fi
  79                 HOST_CC="gcc"
  80                 # Windows 2000 is required that includes Internet Explorer 5.01
  81                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
  82                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
  83                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
  84                 libdl=
  85                 libgc_threads=win32
  86                 gc_default=included
  87                 with_sigaltstack=no
  88                 LN_S=cp
  89                 # This forces libgc to use the DllMain based thread registration code on win32
  90                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
  91                 ;;
  92         *-*-*netbsd*)
  93                 platform_win32=no
  94                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
  95                 libmono_cflags="-D_REENTRANT"
  96                 LDFLAGS="$LDFLAGS -pthread"
  97                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
  98                 libmono_ldflags="-pthread"
  99                 need_link_unlink=yes
 100                 libdl="-ldl"
 101                 libgc_threads=pthreads
 102                 with_sigaltstack=no
 103                 use_sigposix=yes
 104                 ;;
 105         *-*-*freebsd*)
 106                 platform_win32=no
 107                 if test "x$PTHREAD_CFLAGS" = "x"; then
 108                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 109                         libmono_cflags=
 110                 else
 111                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 112                         libmono_cflags="$PTHREAD_CFLAGS"
 113                 fi
 114                 if test "x$PTHREAD_LIBS" = "x"; then
 115                         LDFLAGS="$LDFLAGS -pthread"
 116                         libmono_ldflags="-pthread"
 117                 else
 118                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 119                         libmono_ldflags="$PTHREAD_LIBS"
 120                 fi
 121                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 122                 need_link_unlink=yes
 123                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 124                 libdl=
 125                 libgc_threads=pthreads
 126                 # This doesn't seem to work as of 7.0 on amd64
 127                 with_sigaltstack=no
 128 # TLS is only partially implemented on -CURRENT (compiler support
 129 # but NOT library support)
 130 #
 131                 with_tls=pthread
 132                 use_sigposix=yes
 133                 ;;
 134         *-*-*openbsd*)
 135                 platform_win32=no
 136                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS -DPLATFORM_BSD"
 137                 libmono_cflags="-D_THREAD_SAFE"
 138                 LDFLAGS="$LDFLAGS -pthread"
 139                 libmono_ldflags="-pthread"
 140                 need_link_unlink=yes
 141                 AC_DEFINE(PTHREAD_POINTER_ID)
 142                 libdl=
 143                 libgc_threads=pthreads
 144                 use_sigposix=yes
 145                 ;;
 146         *-*-linux*)
 147                 platform_win32=no
 148                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP"
 149                 libmono_cflags="-D_REENTRANT"
 150                 libmono_ldflags="-lpthread"
 151                 libdl="-ldl"
 152                 libgc_threads=pthreads
 153                 AOT_SUPPORTED="yes"
 154                 use_sigposix=yes
 155                 ;;
 156         *-*-hpux*)
 157                 platform_win32=no
 158                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 159                 # +ESdbgasm only valid on bundled cc on RISC
 160                 # silently ignored for ia64
 161                 if test $GCC != "yes"; then
 162                         CFLAGS="$CFLAGS +ESdbgasm"
 163                         # Arrange for run-time dereferencing of null
 164                         # pointers to produce a SIGSEGV signal.
 165                         LDFLAGS="$LDFLAGS -z"
 166                 fi
 167                 CFLAGS="$CFLAGS +ESdbgasm"
 168                 LDFLAGS="$LDFLAGS -z"
 169                 libmono_cflags="-D_REENTRANT"
 170                 libmono_ldflags="-lpthread"
 171                 libgc_threads=pthreads
 172                 need_link_unlink=yes
 173                 use_sigposix=yes
 174                 ;;
 175         *-*-solaris*)
 176                 platform_win32=no
 177                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 178                 need_link_unlink=yes
 179                 libmono_cflags="-D_REENTRANT"
 180                 libgc_threads=pthreads
 181                 # This doesn't seem to work on solaris/x86, but the configure test runs
 182                 with_tls=pthread
 183                 has_dtrace=yes
 184                 use_sigposix=yes
 185                 ;;
 186         *-*-darwin*)
 187                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 188                 platform_win32=no
 189                 platform_darwin=yes
 190                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 191                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 192                 libmono_cflags="-D_THREAD_SAFE"
 193                 LDFLAGS="$LDFLAGS -pthread"
 194                 libmono_ldflags="-pthread"
 195                 need_link_unlink=yes
 196                 AC_DEFINE(PTHREAD_POINTER_ID)
 197                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 198                 no_version_script=yes
 199                 libdl=
 200                 libgc_threads=pthreads
 201                 has_dtrace=yes
 202                 if test "x$cross_compiling" = "xyes"; then
 203                         has_broken_apple_cpp=yes
 204                 fi
 205                 ;;
 206         *)
 207                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 208                 platform_win32=no
 209                 libdl="-ldl"
 210                 ;;
 211 esac
 212 AC_MSG_RESULT(ok)
 213
 214 if test x$need_link_unlink = xyes; then
 215    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 216 fi
 217
 218 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 219 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 220 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 221 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 222
 223 AC_CHECK_TOOL(CC, gcc, gcc)
 224 AC_PROG_CC
 225 AC_PROG_CXX
 226 AM_PROG_AS
 227 AM_PROG_CC_STDC
 228 AC_PROG_INSTALL
 229 AC_PROG_AWK
 230 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 231 : ${CCAS='$(CC)'}
 232 # Set ASFLAGS if not already set.
 233 : ${CCASFLAGS='$(CFLAGS)'}
 234 AC_SUBST(CCAS)
 235 AC_SUBST(CCASFLAGS)
 236
 237 AC_CHECK_PROG(BISON, bison,yes,no)
 238 if test "x$BISON" = "xno";
 239 then
 240         AC_MSG_ERROR([You need to install bison])
 241 fi
 242
 243 dnl may require a specific autoconf version
 244 dnl AC_PROG_CC_FOR_BUILD
 245 dnl CC_FOR_BUILD not automatically detected
 246 CC_FOR_BUILD=$CC
 247 CFLAGS_FOR_BUILD=$CFLAGS
 248 BUILD_EXEEXT=
 249 if test "x$cross_compiling" = "xyes"; then
 250         CC_FOR_BUILD=cc
 251         CFLAGS_FOR_BUILD=
 252         BUILD_EXEEXT=""
 253 fi
 254 AC_SUBST(CC_FOR_BUILD)
 255 AC_SUBST(CFLAGS_FOR_BUILD)
 256 AC_SUBST(HOST_CC)
 257 AC_SUBST(BUILD_EXEEXT)
 258
 259 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 260 AM_CONDITIONAL(USE_BATCH_FILES, [test x$platform_win32 = xyes -a x$cross_compiling = xyes])
 261
 262 # Set STDC_HEADERS
 263 AC_HEADER_STDC
 264 AC_LIBTOOL_WIN32_DLL
 265 # This causes monodis to not link correctly
 266 #AC_DISABLE_FAST_INSTALL
 267 AM_PROG_LIBTOOL
 268 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 269 DOLT
 270
 271 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 272 AC_SUBST(export_ldflags)
 273
 274 # Test whenever ld supports -version-script
 275 AC_PROG_LD
 276 AC_PROG_LD_GNU
 277 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 278    no_version_script=yes
 279 fi
 280
 281 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 282
 283 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h)
 284 AC_CHECK_HEADERS(sys/user.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h)
 285
 286 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 287 if test x$have_zlib = xyes; then
 288    AC_TRY_COMPILE([#include <zlib.h>], [
 289    void main () {
 290    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 291    }
 292    #else
 293    #error No good zlib found
 294    #endif
 295    ],[
 296         AC_MSG_RESULT(Using system zlib)
 297         zlib_msg="system zlib"
 298    ],[
 299         AC_MSG_RESULT(Using embedded zlib)
 300         have_zlib=no
 301         zlib_msg="bundled zlib"
 302    ])
 303 fi
 304
 305 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 306 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 307
 308 # for mono/metadata/debug-symfile.c
 309 AC_CHECK_HEADERS(elf.h)
 310
 311 # for support
 312 AC_CHECK_HEADERS(poll.h)
 313 AC_CHECK_HEADERS(sys/poll.h)
 314 AC_CHECK_HEADERS(sys/wait.h)
 315 AC_CHECK_HEADERS(grp.h)
 316 AC_CHECK_HEADERS(syslog.h)
 317
 318 # for mono/dis
 319 AC_CHECK_HEADERS(wchar.h)
 320 AC_CHECK_HEADERS(ieeefp.h)
 321 AC_MSG_CHECKING(for isinf)
 322 AC_TRY_LINK([#include <math.h>], [
 323         int f = isinf (1);
 324 ], [
 325         AC_MSG_RESULT(yes)
 326         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 327 ], [
 328         # We'll have to use signals
 329         AC_MSG_RESULT(no)
 330 ])
 331
 332
 333 # not 64 bit clean in cross-compile
 334 AC_CHECK_SIZEOF(void *, 4)
 335
 336 WARN=''
 337 if test x"$GCC" = xyes; then
 338         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
 339                 # The runtime code does not respect ANSI C strict aliasing rules
 340                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 341
 342                 ORIG_CFLAGS=$CFLAGS
 343                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 344                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 345                 AC_TRY_COMPILE([], [
 346                                                    void main () { }
 347                 ], [
 348                    AC_MSG_RESULT(yes)
 349                 ], [
 350                    AC_MSG_RESULT(no)
 351                    CFLAGS=$ORIG_CFLAGS
 352                 ])
 353 else
 354         # The Sun Forte compiler complains about inline functions that access static variables
 355         # so disable all inlining.
 356         case "$host" in
 357         *-*-solaris*)
 358                 CFLAGS="$CFLAGS -Dinline="
 359                 ;;
 360         esac
 361 fi
 362 CFLAGS="$CFLAGS -g $WARN"
 363 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 364
 365 # Where's the 'mcs' source tree?
 366 if test -d $srcdir/mcs; then
 367   mcsdir=mcs
 368 else
 369   mcsdir=../mcs
 370 fi
 371
 372 #
 373 # A sanity check to catch cases where the package was unpacked
 374 # with an ancient tar program (Solaris)
 375 #
 376 AC_MSG_CHECKING(integrity of package)
 377 if test -f $srcdir/$mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 378 then
 379    AC_MSG_RESULT(ok)
 380 else
 381    errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 382    AC_MSG_ERROR([$errorm])
 383 fi
 384
 385 mcs_topdir='$(top_srcdir)/'$mcsdir
 386 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 387
 388 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
 389 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
 390
 391 AC_SUBST([mcs_topdir])
 392 AC_SUBST([mcs_topdir_from_srcdir])
 393
 394 # Where's the 'olive' source tree?
 395 if test -d $srcdir/olive; then
 396   olivedir=olive
 397 else
 398   olivedir=../olive
 399 fi
 400
 401 if test -d $srcdir/$olivedir; then
 402 olive_topdir='$(top_srcdir)/'$olivedir
 403 fi
 404
 405 # gettext: prepare the translation directories.
 406 # we do not configure the full gettext, as we consume it dynamically from C#
 407 AM_PO_SUBDIRS
 408
 409 if test "x$USE_NLS" = "xyes"; then
 410    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 411
 412    if test "x$HAVE_MSGFMT" = "xno"; then
 413           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 414    fi
 415 fi
 416
 417 AC_ARG_WITH([libgdiplus],
 418         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to NO)],
 419         [], [with_libgdiplus=installed])
 420
 421 case $with_libgdiplus in
 422 no|installed) libgdiplus_loc= ;;
 423 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 424 /*) libgdiplus_loc=$with_libgdiplus ;;
 425 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 426 esac
 427 AC_SUBST([libgdiplus_loc])
 428
 429 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 430 if test "x$PKG_CONFIG" = "xno"; then
 431         AC_MSG_ERROR([You need to install pkg-config])
 432 fi
 433
 434 pkg_config_path=
 435 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 436         if test x$with_crosspkgdir = "x"; then
 437                 if test -s $PKG_CONFIG_PATH; then
 438                         pkg_config_path=$PKG_CONFIG_PATH
 439                 fi
 440         else
 441                 pkg_config_path=$with_crosspkgdir
 442                 PKG_CONFIG_PATH=$pkg_config_path
 443                 export PKG_CONFIG_PATH
 444         fi
 445 )
 446
 447 AC_ARG_WITH([glib],
 448         [  --with-glib=embedded|system       Choose glib API: system or embedded (default to system)],
 449         [], [with_glib=system])
 450
 451 eglib_dir=
 452
 453 case $with_glib in
 454 embedded)
 455   GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 456   GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 457   BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 458   BUILD_GLIB_LIBS="$GLIB_LIBS"
 459   GMODULE_CFLAGS="$GLIB_CFLAGS"
 460   GMODULE_LIBS="$GLIB_LIBS"
 461   eglib_dir=eglib
 462   AC_CONFIG_SUBDIRS(eglib)
 463   ;;
 464 system)
 465   if test "x$cross_compiling" = "xyes"; then
 466     pkg_config_path="$PKG_CONFIG_PATH"
 467     unset PKG_CONFIG_PATH
 468   fi
 469   BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 470   BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 471   if test "x$cross_compiling" = "xyes"; then
 472     PKG_CONFIG_PATH=$pkg_config_path
 473     export PKG_CONFIG_PATH
 474   fi
 475
 476   ## Versions of dependencies
 477   GLIB_REQUIRED_VERSION=1.3.11
 478
 479   PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 480
 481   GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 482   GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 483   GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 484   GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 485   ;;
 486 *)
 487   AC_MSG_ERROR([Invalid argument to --with-glib.])
 488 esac
 489 AM_CONDITIONAL(EGLIB_BUILD, test x$with_glib = xembedded)
 490
 491 AC_SUBST(GLIB_CFLAGS)
 492 AC_SUBST(GLIB_LIBS)
 493 AC_SUBST(GMODULE_CFLAGS)
 494 AC_SUBST(GMODULE_LIBS)
 495 AC_SUBST(BUILD_GLIB_CFLAGS)
 496 AC_SUBST(BUILD_GLIB_LIBS)
 497 AC_SUBST(eglib_dir)
 498
 499 if test x$cross_compiling$platform_win32 = xnoyes; then
 500    AC_MSG_CHECKING(for cygwin glib2-dev package)
 501    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 502       AC_MSG_RESULT(found)
 503           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.])
 504    else
 505       AC_MSG_RESULT(not found, ok)
 506    fi
 507
 508    AC_MSG_CHECKING(for broken gwin32.h)
 509    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 510    if test -f $glib_include/glib/gwin32.h; then
 511           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 512                  AC_MSG_RESULT(failed)
 513                  hashmark='#'
 514                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 515           fi
 516    fi
 517    AC_MSG_RESULT(ok)
 518 fi
 519
 520 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 521
 522 # Enable support for fast thread-local storage
 523 # Some systems have broken support, so we allow to disable it.
 524 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 525
 526 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 527 # This does not work on some platforms (bug #55253)
 528 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=yes])
 529
 530 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 531
 532 if test "x$enable_static" = "xno"; then
 533    with_static_mono=no
 534 fi
 535
 536 if test "x$platform_win32" = "xyes"; then
 537    # Boehm GC requires the runtime to be in its own dll
 538    with_static_mono=no
 539 fi
 540
 541 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 542 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 543
 544 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no      Enable Xen-specific behaviour],[],[with_xen_opt=yes])
 545 if test "x$with_xen_opt" = "xyes"; then
 546         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 547         ORIG_CFLAGS=$CFLAGS
 548         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 549         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 550         AC_TRY_COMPILE([], [
 551                                            void main () { }
 552         ], [
 553            AC_MSG_RESULT(yes)
 554            # Pass it to libgc as well
 555            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 556         ], [
 557            AC_MSG_RESULT(no)
 558            CFLAGS=$ORIG_CFLAGS
 559         ])
 560 fi
 561
 562 AC_ARG_ENABLE(quiet-build, [  --enable-quiet-build  Enable quiet runtime build], enable_quiet_build=$enableval, enable_quiet_build=yes)
 563
 564 DISABLED_FEATURES=none
 565
 566 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 567   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 568   reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd.],
 569 [
 570         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 571                 eval "mono_feature_disable_$feature='yes'"
 572                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 573         done
 574         DISABLED_FEATURES=$enable_minimal
 575         disabled="Disabled:    $enable_minimal"
 576 ],[])
 577
 578 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 579
 580 if test "x$mono_feature_disable_aot" = "xyes"; then
 581         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 582 fi
 583
 584 if test "x$mono_feature_disable_profiler" = "xyes"; then
 585         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 586 fi
 587 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 588
 589 if test "x$mono_feature_disable_decimal" = "xyes"; then
 590         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 591 fi
 592
 593 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 594         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 595 fi
 596
 597 if test "x$mono_feature_disable_debug" = "xyes"; then
 598         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 599 fi
 600
 601 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 602         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 603         mono_feature_disable_reflection_emit_save=yes
 604 fi
 605
 606 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 607         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 608 fi
 609
 610 if test "x$mono_feature_disable_large_code" = "xyes"; then
 611         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 612 fi
 613
 614 if test "x$mono_feature_disable_logging" = "xyes"; then
 615         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 616 fi
 617
 618 if test "x$mono_feature_disable_com" = "xyes"; then
 619         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 620 fi
 621
 622 if test "x$mono_feature_disable_ssa" = "xyes"; then
 623         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 624 fi
 625
 626 if test "x$mono_feature_disable_generics" = "xyes"; then
 627         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 628 fi
 629
 630 if test "x$mono_feature_disable_attach" = "xyes"; then
 631         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 632 fi
 633
 634 if test "x$mono_feature_disable_jit" = "xyes"; then
 635         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 636 fi
 637
 638 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 639
 640 if test "x$mono_feature_disable_simd" = "xyes"; then
 641         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 642 fi
 643
 644 AC_MSG_CHECKING(for visibility __attribute__)
 645 AC_TRY_COMPILE([], [
 646    void __attribute__ ((visibility ("hidden"))) doit (void) {}
 647    void main () { doit (); }
 648 ], [
 649    have_visibility_hidden=yes
 650    AC_MSG_RESULT(yes)
 651 ], [
 652    have_visibility_hidden=no
 653    AC_MSG_RESULT(no)
 654 ])
 655
 656 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 657 if test x$enable_parallel_mark = xyes; then
 658         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 659 fi
 660
 661 LIBGC_CFLAGS=
 662 LIBGC_LIBS=
 663 LIBGC_STATIC_LIBS=
 664 libgc_dir=
 665 case "x$gc" in
 666         xboehm|xbohem|xyes)
 667                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 668                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 669
 670                 if test "x$found_boehm" != "xyes"; then
 671                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 672                 fi
 673                 if test "x$gc_headers" != "xyes"; then
 674                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 675                 fi
 676
 677                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
 678                 AC_SUBST(HAVE_BOEHM_GC)
 679                 LIBGC_LIBS="-lgc $libdl"
 680                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 681
 682                 # AC_CHECK_FUNCS does not work for some reason...
 683                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 684                 if test "x$found_gcj_malloc" = "xyes"; then
 685                         AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
 686                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (with typed GC)", [GC description])
 687                 else
 688                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "System Boehm (no typed GC)", [GC description])
 689                 fi
 690                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 691                 if test "x$found_gc_enable" = "xyes"; then
 692                         AC_DEFINE(HAVE_GC_ENABLE, 1, [Have 'GC_enable'])
 693                 fi
 694                 ;;
 695
 696         xincluded)
 697                 found_boehm=yes
 698                 gc_headers=yes
 699                 use_included_gc=yes
 700                 libgc_dir=libgc
 701
 702                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 703                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 704                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 705
 706                 AC_DEFINE(HAVE_BOEHM_GC, 1, [Have Boehm GC])
 707                 AC_SUBST(HAVE_BOEHM_GC)
 708
 709                 AC_DEFINE(HAVE_GC_H, 1, [Have gc.h])
 710                 AC_DEFINE(USE_INCLUDED_LIBGC, 1, [Use included libgc])
 711
 712                 # The included libgc contains GCJ support
 713                 AC_DEFINE(HAVE_GC_GCJ_MALLOC, 1, [Have GC_gcj_malloc])
 714                 AC_DEFINE(HAVE_GC_ENABLE, 1, [Have GC_enable])
 715                 if test x$enable_parallel_mark = xyes; then
 716                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 717                 else
 718                         AC_DEFINE_UNQUOTED(USED_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 719                 fi
 720                 ;;
 721
 722         xsgen)
 723                 found_boehm=no
 724                 gc_headers=no
 725                 use_included_gc=no
 726                 AC_DEFINE(HAVE_SGEN_GC,1,[Using the simple generational GC.])
 727                 AC_DEFINE(HAVE_MOVING_COLLECTOR,1,[The GC can move objects.])
 728                 AC_DEFINE(HAVE_WRITE_BARRIERS,1,[The GC needs write barriers.])
 729                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "Simple generational", [GC description])
 730                 ;;
 731
 732         xnone)
 733                 AC_MSG_WARN("Compiling mono without GC.")
 734                 AC_DEFINE_UNQUOTED(USED_GC_NAME, "none", [GC description])
 735                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 736                 ;;
 737         *)
 738                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 739                 ;;
 740 esac
 741
 742 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no    Enable support for GC heaps larger than 3GB], [large_heap=$withval], [large_heap=no])
 743 if test "x$large_heap" = "xyes"; then
 744    echo "FOO"
 745    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 746 fi
 747
 748 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 749 AC_SUBST(LIBGC_CFLAGS)
 750 AC_SUBST(LIBGC_LIBS)
 751 AC_SUBST(LIBGC_STATIC_LIBS)
 752 AC_SUBST(libgc_dir)
 753
 754 dnl
 755 dnl End of libgc checks
 756 dnl
 757
 758 if test x$platform_win32 = xno; then
 759
 760         dnl hires monotonic clock support
 761         AC_SEARCH_LIBS(clock_gettime, rt)
 762
 763         dnl dynamic loader support
 764         AC_CHECK_FUNC(dlopen, DL_LIB="",
 765                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
 766         )
 767         if test x$dl_support = xno; then
 768                 AC_MSG_WARN([No dynamic loading support available])
 769         else
 770                 LIBS="$LIBS $DL_LIB"
 771                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
 772                 dnl from glib's configure.in
 773                 AC_CACHE_CHECK([for preceeding underscore in symbols],
 774                         mono_cv_uscore,[
 775                         AC_TRY_RUN([#include <dlfcn.h>
 776                         int mono_underscore_test (void) { return 42; }
 777                         int main() {
 778                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
 779                           handle = dlopen ((void*)0, 0);
 780                           if (handle) {
 781                             f1 = dlsym (handle, "mono_underscore_test");
 782                             f2 = dlsym (handle, "_mono_underscore_test");
 783                           } return (!f2 || f1);
 784                         }],
 785                                 [mono_cv_uscore=yes],
 786                                 [mono_cv_uscore=no],
 787                         [])
 788                 ])
 789                 if test "x$mono_cv_uscore" = "xyes"; then
 790                         MONO_DL_NEED_USCORE=1
 791                 else
 792                         MONO_DL_NEED_USCORE=0
 793                 fi
 794                 AC_SUBST(MONO_DL_NEED_USCORE)
 795                 AC_CHECK_FUNC(dlerror)
 796         fi
 797
 798         dnl ******************************************************************
 799         dnl *** Checks for the IKVM JNI interface library                  ***
 800         dnl ******************************************************************
 801         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no  build the IKVM JNI interface library],[with_ikvm_native=$withval],[with_ikvm_native=yes])
 802
 803         ikvm_native_dir=
 804         if test x$with_ikvm_native = xyes; then
 805                 ikvm_native_dir=ikvm-native
 806                 jdk_headers_found="IKVM Native"
 807         fi
 808
 809         AC_SUBST(ikvm_native_dir)
 810
 811         AC_CHECK_HEADERS(execinfo.h)
 812
 813         AC_CHECK_FUNCS(getgrgid_r)
 814         AC_CHECK_FUNCS(getgrnam_r)
 815         AC_CHECK_FUNCS(getpwnam_r)
 816         AC_CHECK_FUNCS(getpwuid_r)
 817         AC_CHECK_FUNCS(getresuid)
 818         AC_CHECK_FUNCS(setresuid)
 819         AC_CHECK_FUNCS(kqueue)
 820         AC_CHECK_FUNCS(backtrace_symbols)
 821         AC_CHECK_FUNCS(mkstemp)
 822         AC_CHECK_FUNCS(mmap)
 823         AC_CHECK_FUNCS(madvise)
 824         AC_CHECK_FUNCS(getrusage)
 825         AC_CHECK_FUNCS(getpriority)
 826         AC_CHECK_FUNCS(setpriority)
 827
 828         AC_CHECK_FUNCS(sched_setaffinity)
 829
 830         dnl ******************************************************************
 831         dnl *** Check for large file support                               ***
 832         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 833         dnl ******************************************************************
 834
 835         # Check that off_t can represent 2**63 - 1 correctly, working around
 836         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 837         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 838         large_offt=no
 839         AC_DEFUN([LARGE_FILES], [
 840                 large_CPPFLAGS=$CPPFLAGS
 841                 CPPFLAGS="$CPPFLAGS $1"
 842                 AC_TRY_RUN([
 843                         #include <sys/types.h>
 844
 845                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 846
 847                         int main(void) {
 848                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 849                                                (BIG_OFF_T%2147483647==1));
 850                                 if(big_off_t) {
 851                                         exit(0);
 852                                 } else {
 853                                         exit(1);
 854                                 }
 855                         }
 856                 ], [
 857                         AC_MSG_RESULT(ok)
 858                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 859                         large_CPPFLAGS="$large_CPPFLAGS $1"
 860                         large_offt=yes
 861                 ], [
 862                         AC_MSG_RESULT(no)
 863                 ], "")
 864                 CPPFLAGS=$large_CPPFLAGS
 865         ])
 866
 867         AC_MSG_CHECKING(if off_t is 64 bits wide)
 868         LARGE_FILES("")
 869         if test $large_offt = no; then
 870                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 871                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 872         fi
 873         if test $large_offt = no; then
 874                 AC_MSG_WARN([No 64 bit file size support available])
 875         fi
 876
 877         dnl *****************************
 878         dnl *** Checks for libsocket  ***
 879         dnl *****************************
 880         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 881
 882         dnl *******************************
 883         dnl *** Checks for MSG_NOSIGNAL ***
 884         dnl *******************************
 885         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 886         AC_TRY_COMPILE([#include <sys/socket.h>], [
 887                 int f = MSG_NOSIGNAL;
 888         ], [
 889                 # Yes, we have it...
 890                 AC_MSG_RESULT(yes)
 891                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
 892         ], [
 893                 # We'll have to use signals
 894                 AC_MSG_RESULT(no)
 895         ])
 896
 897         dnl *****************************
 898         dnl *** Checks for SOL_IP     ***
 899         dnl *****************************
 900         AC_MSG_CHECKING(for SOL_IP)
 901         AC_TRY_COMPILE([#include <netdb.h>], [
 902                 int level = SOL_IP;
 903         ], [
 904                 # Yes, we have it...
 905                 AC_MSG_RESULT(yes)
 906                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
 907         ], [
 908                 # We'll have to use getprotobyname
 909                 AC_MSG_RESULT(no)
 910         ])
 911
 912         dnl *****************************
 913         dnl *** Checks for SOL_IPV6     ***
 914         dnl *****************************
 915         AC_MSG_CHECKING(for SOL_IPV6)
 916         AC_TRY_COMPILE([#include <netdb.h>], [
 917                 int level = SOL_IPV6;
 918         ], [
 919                 # Yes, we have it...
 920                 AC_MSG_RESULT(yes)
 921                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
 922         ], [
 923                 # We'll have to use getprotobyname
 924                 AC_MSG_RESULT(no)
 925         ])
 926
 927         dnl *****************************
 928         dnl *** Checks for SOL_TCP    ***
 929         dnl *****************************
 930         AC_MSG_CHECKING(for SOL_TCP)
 931         AC_TRY_COMPILE([#include <netdb.h>], [
 932                 int level = SOL_TCP;
 933         ], [
 934                 # Yes, we have it...
 935                 AC_MSG_RESULT(yes)
 936                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
 937         ], [
 938                 # We'll have to use getprotobyname
 939                 AC_MSG_RESULT(no)
 940         ])
 941
 942         dnl *****************************
 943         dnl *** Checks for IP_PKTINFO ***
 944         dnl *****************************
 945         AC_MSG_CHECKING(for IP_PKTINFO)
 946         AC_TRY_COMPILE([#include <netdb.h>], [
 947                 int level = IP_PKTINFO;
 948         ], [
 949                 # Yes, we have it...
 950                 AC_MSG_RESULT(yes)
 951                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
 952         ], [
 953                 AC_MSG_RESULT(no)
 954         ])
 955
 956         dnl *****************************
 957         dnl *** Checks for IPV6_PKTINFO ***
 958         dnl *****************************
 959         AC_MSG_CHECKING(for IPV6_PKTINFO)
 960         AC_TRY_COMPILE([#include <netdb.h>], [
 961                 int level = IPV6_PKTINFO;
 962         ], [
 963                 # Yes, we have it...
 964                 AC_MSG_RESULT(yes)
 965                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
 966         ], [
 967                 AC_MSG_RESULT(no)
 968         ])
 969
 970         dnl **********************************
 971         dnl *** Checks for IP_DONTFRAGMENT ***
 972         dnl **********************************
 973         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
 974         AC_TRY_COMPILE([#include <netdb.h>], [
 975                 int level = IP_DONTFRAGMENT;
 976         ], [
 977                 # Yes, we have it...
 978                 AC_MSG_RESULT(yes)
 979                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
 980         ], [
 981                 AC_MSG_RESULT(no)
 982         ])
 983
 984         dnl **********************************
 985         dnl *** Checks for IP_MTU_DISCOVER ***
 986         dnl **********************************
 987         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
 988         AC_TRY_COMPILE([#include <netdb.h>], [
 989                 int level = IP_MTU_DISCOVER;
 990         ], [
 991                 # Yes, we have it...
 992                 AC_MSG_RESULT(yes)
 993                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
 994         ], [
 995                 AC_MSG_RESULT(no)
 996         ])
 997
 998         dnl *********************************
 999         dnl *** Check for struct ip_mreqn ***
1000         dnl *********************************
1001         AC_MSG_CHECKING(for struct ip_mreqn)
1002         AC_TRY_COMPILE([#include <netinet/in.h>], [
1003                 struct ip_mreqn mreq;
1004                 mreq.imr_address.s_addr = 0;
1005         ], [
1006                 # Yes, we have it...
1007                 AC_MSG_RESULT(yes)
1008                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1009         ], [
1010                 # We'll just have to try and use struct ip_mreq
1011                 AC_MSG_RESULT(no)
1012                 AC_MSG_CHECKING(for struct ip_mreq)
1013                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1014                         struct ip_mreq mreq;
1015                         mreq.imr_interface.s_addr = 0;
1016                 ], [
1017                         # Yes, we have it...
1018                         AC_MSG_RESULT(yes)
1019                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1020                 ], [
1021                         # No multicast support
1022                         AC_MSG_RESULT(no)
1023                 ])
1024         ])
1025
1026         dnl **********************************
1027         dnl *** Check for gethostbyname2_r ***
1028         dnl **********************************
1029         AC_MSG_CHECKING(for gethostbyname2_r)
1030                 AC_TRY_LINK([#include <netdb.h>], [
1031                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1032         ], [
1033                 # Yes, we have it...
1034                 AC_MSG_RESULT(yes)
1035                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1036         ], [
1037                 AC_MSG_RESULT(no)
1038         ])
1039
1040         dnl *****************************
1041         dnl *** Checks for libnsl     ***
1042         dnl *****************************
1043         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1044
1045         AC_CHECK_FUNCS(inet_pton inet_aton)
1046
1047         dnl ***********************************************
1048         dnl *** Checks for size of sockaddr_un.sun_path ***
1049         dnl ***********************************************
1050         # AC_CHECK_SIZEOF can't cope with struct members :-(
1051         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1052         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1053                 [AC_TRY_RUN([
1054                         #include <sys/types.h>
1055                         #include <stdio.h>
1056                         #include <sys/un.h>
1057
1058                         int main(void) {
1059                                 struct sockaddr_un sock_un;
1060                                 FILE *f=fopen("conftestval", "w");
1061                                 if(!f) exit(1);
1062                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1063                                 exit(0);
1064                         }
1065                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1066                    mono_cv_sizeof_sunpath=0,
1067                    mono_cv_sizeof_sunpath=0)])dnl
1068         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1069         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1070
1071         dnl *************************************
1072         dnl *** Checks for zero length arrays ***
1073         dnl *************************************
1074         AC_MSG_CHECKING(whether $CC supports zero length arrays)
1075         AC_TRY_COMPILE([
1076                 struct s {
1077                         int  length;
1078                         char data [0];
1079                 };
1080         ], [], [
1081                 AC_MSG_RESULT(yes)
1082                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0, [Length of zero length arrays])
1083         ], [
1084                 AC_MSG_RESULT(no)
1085                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1, [Length of zero length arrays])
1086         ])
1087
1088         dnl *****************************
1089         dnl *** Checks for libxnet    ***
1090         dnl *****************************
1091         case "${host}" in
1092                 *solaris* )
1093                         AC_MSG_CHECKING(for Solaris XPG4 support)
1094                         if test -f /usr/lib/libxnet.so; then
1095                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1096                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1097                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1098                                 LIBS="$LIBS -lxnet"
1099                                 AC_MSG_RESULT(yes)
1100                         else
1101                                 AC_MSG_RESULT(no)
1102                         fi
1103
1104                         if test "$GCC" = "yes"; then
1105                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1106                         fi
1107                 ;;
1108         esac
1109
1110         dnl *****************************
1111         dnl *** Checks for libpthread ***
1112         dnl *****************************
1113 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1114 # and libpthread does not exist
1115 #
1116         case "${host}" in
1117                 *-*-*freebsd*)
1118                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1119                 ;;
1120                 *)
1121                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1122                 ;;
1123         esac
1124         AC_CHECK_HEADERS(pthread.h)
1125         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1126         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1127         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1128         AC_TRY_COMPILE([ #include <pthread.h>], [
1129                 pthread_mutexattr_t attr;
1130                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1131         ], [
1132                 AC_MSG_RESULT(ok)
1133         ], [
1134                 AC_MSG_RESULT(no)
1135                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1136                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1137         ])
1138         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1139         AC_CHECK_FUNCS(pthread_attr_getstack)
1140         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1141
1142         dnl ***********************************
1143         dnl *** Checks for working __thread ***
1144         dnl ***********************************
1145         AC_MSG_CHECKING(for working __thread)
1146         if test "x$with_tls" != "x__thread"; then
1147                 AC_MSG_RESULT(disabled)
1148         else
1149                 AC_TRY_RUN([
1150                         #include <pthread.h>
1151                         __thread int i;
1152                         static int res1, res2;
1153
1154                         void thread_main (void *arg)
1155                         {
1156                                 i = arg;
1157                                 sleep (1);
1158                                 if (arg == 1)
1159                                         res1 = (i == arg);
1160                                 else
1161                                         res2 = (i == arg);
1162                         }
1163
1164                         int main () {
1165                                 pthread_t t1, t2;
1166
1167                                 i = 5;
1168
1169                                 pthread_create (&t1, NULL, thread_main, 1);
1170                                 pthread_create (&t2, NULL, thread_main, 2);
1171
1172                                 pthread_join (t1, NULL);
1173                                 pthread_join (t2, NULL);
1174
1175                                 return !(res1 + res2 == 2);
1176                         }
1177                 ], [
1178                                 AC_MSG_RESULT(yes)
1179                 ], [
1180                                 AC_MSG_RESULT(no)
1181                                 with_tls=pthread
1182                 ])
1183         fi
1184
1185         dnl **************************************
1186         dnl *** Checks for working sigaltstack ***
1187         dnl **************************************
1188         AC_MSG_CHECKING(for working sigaltstack)
1189         if test "x$with_sigaltstack" != "xyes"; then
1190                 AC_MSG_RESULT(disabled)
1191         else
1192                 AC_TRY_RUN([
1193                         #include <stdio.h>
1194                         #include <stdlib.h>
1195                         #include <unistd.h>
1196                         #include <signal.h>
1197                         #include <pthread.h>
1198                         #include <sys/wait.h>
1199                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1200                         #define SA_STACK SA_ONSTACK
1201                         #endif
1202                         static void
1203                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1204                         {
1205                                 exit (0);
1206                         }
1207
1208                         static void *
1209                         loop (void *ignored)
1210                         {
1211                                 char *ptr = NULL;
1212
1213                                 *ptr = 0;
1214                                 return NULL;
1215                         }
1216
1217                         static void
1218                         child ()
1219                         {
1220                                 struct sigaction sa;
1221                                 struct sigaltstack sas;
1222                                 pthread_t id;
1223                                 pthread_attr_t attr;
1224
1225                                 sa.sa_sigaction = sigsegv_signal_handler;
1226                                 sigemptyset (&sa.sa_mask);
1227                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1228                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1229                                         perror ("sigaction");
1230                                         return;
1231                                 }
1232
1233                                 sas.ss_sp = malloc (SIGSTKSZ);
1234                                 sas.ss_size = SIGSTKSZ;
1235                                 sas.ss_flags = 0;
1236                                 if (sigaltstack (&sas, NULL) == -1) {
1237                                         perror ("sigaltstack");
1238                                         return;
1239                                 }
1240
1241                                 pthread_attr_init (&attr);
1242                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1243                                         printf ("pthread_create\n");
1244                                         return;
1245                                 }
1246
1247                                 sleep (100);
1248                         }
1249
1250                         int
1251                         main ()
1252                         {
1253                                 pid_t son;
1254                                 int status;
1255                                 int i;
1256
1257                                 son = fork ();
1258                                 if (son == -1) {
1259                                         return 1;
1260                                 }
1261
1262                                 if (son == 0) {
1263                                         child ();
1264                                         return 0;
1265                                 }
1266
1267                                 for (i = 0; i < 3; ++i) {
1268                                         sleep (1);
1269                                         waitpid (son, &status, WNOHANG);
1270                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1271                                                 return 0;
1272                                 }
1273
1274                                 kill (son, SIGKILL);
1275                                 return 1;
1276                         }
1277
1278                 ], [
1279                                 AC_MSG_RESULT(yes)
1280                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1281                 ], [
1282                                 with_sigaltstack=no
1283                                 AC_MSG_RESULT(no)
1284                 ])
1285         fi
1286
1287         dnl ********************************
1288         dnl *** Checks for semaphore lib ***
1289         dnl ********************************
1290         # 'Real Time' functions on Solaris
1291         # posix4 on Solaris 2.6
1292         # pthread (first!) on Linux
1293         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1294
1295         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1296         AC_CHECK_FUNCS(shm_open)
1297
1298         dnl ********************************
1299         dnl *** Checks for timezone stuff **
1300         dnl ********************************
1301         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1302                 AC_TRY_COMPILE([
1303                         #include <time.h>
1304                         ], [
1305                         struct tm tm;
1306                         tm.tm_gmtoff = 1;
1307                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1308         if test $ac_cv_struct_tm_gmtoff = yes; then
1309                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1310         else
1311                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1312                         AC_TRY_COMPILE([
1313                                 #include <time.h>
1314                         ], [
1315                                 timezone = 1;
1316                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1317                 if test $ac_cv_var_timezone = yes; then
1318                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1319                 else
1320                         AC_ERROR(unable to find a way to determine timezone)
1321                 fi
1322         fi
1323
1324         dnl *********************************
1325         dnl *** Checks for math functions ***
1326         dnl *********************************
1327         LIBS="$LIBS -lm";
1328         if test "x$has_broken_apple_cpp" != "xyes"; then
1329                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1330                         AC_TRY_LINK([#include <math.h>],
1331                         [ finite(0.0); ],
1332                         AC_DEFINE(HAVE_FINITE, 1, [Have finite]) AC_MSG_RESULT(yes),
1333                         AC_MSG_RESULT(no)))
1334         fi
1335         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1336                 AC_TRY_LINK([#include <math.h>],
1337                 [ isfinite(0.0); ],
1338                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1339                 AC_MSG_RESULT(no)))
1340
1341         dnl ****************************************************************
1342         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1343         dnl *** have it in the library (duh))                            ***
1344         dnl ****************************************************************
1345         AC_CHECK_FUNCS(poll)
1346
1347         dnl *************************
1348         dnl *** Check for signbit ***
1349         dnl *************************
1350         AC_MSG_CHECKING(for signbit)
1351         AC_TRY_LINK([#include <math.h>], [
1352                 int s = signbit(1.0);
1353         ], [
1354                 AC_MSG_RESULT(yes)
1355                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1356         ], [
1357                 AC_MSG_RESULT(no)
1358         ])
1359
1360         dnl **********************************
1361         dnl *** epoll                      ***
1362         dnl **********************************
1363         AC_CHECK_HEADERS(sys/epoll.h)
1364         haveepoll=no
1365         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1366         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1367                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1368         fi
1369
1370         dnl ******************************
1371         dnl *** Checks for SIOCGIFCONF ***
1372         dnl ******************************
1373         AC_CHECK_HEADERS(sys/ioctl.h)
1374         AC_CHECK_HEADERS(net/if.h)
1375         AC_MSG_CHECKING(for ifreq)
1376         AC_TRY_COMPILE([
1377                 #include <stdio.h>
1378                 #include <sys/ioctl.h>
1379                 #include <net/if.h>
1380                 ], [
1381                 struct ifconf ifc;
1382                 struct ifreq *ifr;
1383                 void *x;
1384                 ifc.ifc_len = 0;
1385                 ifc.ifc_buf = NULL;
1386                 x = (void *) &ifr->ifr_addr;
1387                 ],[
1388                         AC_MSG_RESULT(yes)
1389                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1390                 ], [
1391                         AC_MSG_RESULT(no)
1392                 ])
1393         dnl **********************************
1394         dnl ***     Checks for sin_len     ***
1395         dnl **********************************
1396         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1397         AC_TRY_COMPILE([
1398                 #include <netinet/in.h>
1399                 ], [
1400                 struct sockaddr_in saddr;
1401                 saddr.sin_len = sizeof (saddr);
1402                 ],[
1403                         AC_MSG_RESULT(yes)
1404                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1405                 ], [
1406                         AC_MSG_RESULT(no)
1407                 ])
1408         dnl **********************************
1409         dnl ***    Checks for sin6_len     ***
1410         dnl **********************************
1411         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1412         AC_TRY_COMPILE([
1413                 #include <netinet/in.h>
1414                 ], [
1415                 struct sockaddr_in6 saddr6;
1416                 saddr6.sin6_len = sizeof (saddr6);
1417                 ],[
1418                         AC_MSG_RESULT(yes)
1419                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1420                 ], [
1421                         AC_MSG_RESULT(no)
1422                 ])
1423         dnl **********************************
1424         dnl *** Checks for MonoPosixHelper ***
1425         dnl **********************************
1426         AC_CHECK_HEADERS(checklist.h)
1427         AC_CHECK_HEADERS(fstab.h)
1428         AC_CHECK_HEADERS(attr/xattr.h)
1429         AC_CHECK_HEADERS(sys/extattr.h)
1430         AC_CHECK_HEADERS(sys/sendfile.h)
1431         AC_CHECK_HEADERS(sys/statvfs.h)
1432         AC_CHECK_HEADERS(sys/statfs.h)
1433         AC_CHECK_HEADERS(sys/vfstab.h)
1434         AC_CHECK_HEADERS(sys/xattr.h)
1435         AC_CHECK_HEADERS(sys/mman.h)
1436         AC_CHECK_HEADERS(sys/param.h)
1437         AC_CHECK_HEADERS(sys/mount.h)
1438         AC_CHECK_FUNCS(getdomainname)
1439         AC_CHECK_FUNCS(setdomainname)
1440         AC_CHECK_FUNCS(fgetgrent)
1441         AC_CHECK_FUNCS(fgetpwent)
1442         AC_CHECK_FUNCS(fgetpwent)
1443         AC_CHECK_FUNCS(getfsstat)
1444         AC_CHECK_FUNCS(lutimes)
1445         AC_CHECK_FUNCS(mremap)
1446         AC_CHECK_FUNCS(remap_file_pages)
1447         AC_CHECK_FUNCS(posix_fadvise)
1448         AC_CHECK_FUNCS(posix_fallocate)
1449         AC_CHECK_FUNCS(posix_madvise)
1450         AC_CHECK_FUNCS(vsnprintf)
1451         AC_CHECK_FUNCS(sendfile)
1452         AC_CHECK_FUNCS(sethostid)
1453         AC_CHECK_FUNCS(statfs)
1454         AC_CHECK_FUNCS(fstatfs)
1455         AC_CHECK_FUNCS(statvfs)
1456         AC_CHECK_FUNCS(fstatvfs)
1457         AC_CHECK_FUNCS(stime)
1458         AC_CHECK_FUNCS(strerror_r)
1459         AC_CHECK_FUNCS(ttyname_r)
1460         AC_CHECK_SIZEOF(size_t)
1461         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1462                 [#include <sys/types.h>
1463                  #include <sys/stat.h>
1464                  #include <unistd.h>])
1465         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1466                 [#include <sys/types.h>
1467                  #include <sys/stat.h>
1468                  #include <unistd.h>])
1469         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1470                 [#include <sys/time.h>])
1471         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1472                 [#include <unistd.h>
1473                  #include <fcntl.h>])
1474         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1475                 [#include <sys/poll.h>])
1476         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1477                 [#include <sys/types.h>
1478                  #include <sys/stat.h>
1479                  #include <unistd.h>])
1480         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1481                 [#include <time.h>])
1482         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1483                 [#include <sys/time.h>
1484                  #include <sys/types.h>
1485                  #include <utime.h>])
1486         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1487                 [#include <sys/time.h>])
1488         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1489                 [#include <sys/types.h>
1490                  #include <utime.h>])
1491         AC_CHECK_MEMBERS(
1492                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1493                 [#include <sys/types.h>
1494                  #include <dirent.h>])
1495
1496         dnl Favour xattr through glibc, but use libattr if we have to
1497         AC_CHECK_FUNC(lsetxattr, ,
1498                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1499         )
1500         AC_SUBST(XATTR_LIB)
1501
1502         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1503         AC_CHECK_MEMBERS(
1504                 [struct kinfo_proc.kp_proc],,,
1505                 [#include <sys/types.h>
1506                  #include <sys/sysctl.h>
1507                  #include <sys/proc.h>
1508                  ])
1509
1510         dnl *********************************
1511         dnl *** Checks for Windows compilation ***
1512         dnl *********************************
1513         AC_CHECK_HEADERS(sys/time.h)
1514         AC_CHECK_HEADERS(sys/param.h)
1515         AC_CHECK_HEADERS(dirent.h)
1516
1517         dnl *********************************
1518         dnl *** Check for Console 2.0 I/O ***
1519         dnl *********************************
1520         AC_CHECK_HEADERS([curses.h])
1521         AC_CHECK_HEADERS([term.h], [], [],
1522         [#if HAVE_CURSES_H
1523          #include <curses.h>
1524          #endif
1525         ])
1526         AC_CHECK_HEADERS([termios.h])
1527
1528         dnl * This is provided in io-layer, but on windows it's only available
1529         dnl * on xp+
1530         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1531 else
1532         jdk_headers_found=no
1533         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1534         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1535         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1536         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1537         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1538         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1539         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1540
1541         dnl *********************************
1542         dnl *** Check for struct ip_mreqn ***
1543         dnl *********************************
1544         AC_MSG_CHECKING(for struct ip_mreqn)
1545         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1546                 struct ip_mreqn mreq;
1547                 mreq.imr_address.s_addr = 0;
1548         ], [
1549                 # Yes, we have it...
1550                 AC_MSG_RESULT(yes)
1551                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1552         ], [
1553                 # We'll just have to try and use struct ip_mreq
1554                 AC_MSG_RESULT(no)
1555                 AC_MSG_CHECKING(for struct ip_mreq)
1556                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1557                         struct ip_mreq mreq;
1558                         mreq.imr_interface.s_addr = 0;
1559                 ], [
1560                         # Yes, we have it...
1561                         AC_MSG_RESULT(yes)
1562                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1563                 ], [
1564                         # No multicast support
1565                         AC_MSG_RESULT(no)
1566                 ])
1567         ])
1568         AC_CHECK_FUNCS(GetProcessId)
1569 fi
1570
1571 dnl socklen_t check
1572 AC_MSG_CHECKING(for socklen_t)
1573 AC_TRY_COMPILE([
1574 #include <sys/types.h>
1575 #include <sys/socket.h>
1576 ],[
1577   socklen_t foo;
1578 ],[
1579 ac_cv_c_socklen_t=yes
1580         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1581         AC_MSG_RESULT(yes)
1582 ],[
1583         AC_MSG_RESULT(no)
1584 ])
1585
1586 AC_MSG_CHECKING(for array element initalizer support)
1587 AC_TRY_COMPILE([#include <sys/socket.h>], [
1588         const int array[] = {[1] = 2,};
1589 ], [
1590         # Yes, we have it...
1591         AC_MSG_RESULT(yes)
1592         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1593 ], [
1594         # We'll have to use signals
1595         AC_MSG_RESULT(no)
1596 ])
1597
1598 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1599         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1600         AC_TRY_LINK([#include <math.h>],
1601         [ static void *p = &trunc; ],
1602         [
1603                 AC_DEFINE(HAVE_TRUNC)
1604                 AC_MSG_RESULT(yes)
1605                 ac_cv_trunc=yes
1606         ],
1607         AC_MSG_RESULT(no)))
1608
1609 if test "x$ac_cv_truncl" != "xyes"; then
1610    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1611 fi
1612
1613 AC_CHECK_FUNCS(round)
1614 AC_CHECK_FUNCS(rint)
1615
1616 dnl ****************************
1617 dnl *** Look for /dev/random ***
1618 dnl ****************************
1619
1620 AC_MSG_CHECKING([if usage of random device is requested])
1621 AC_ARG_ENABLE(dev-random,
1622 [  --disable-dev-random    disable the use of the random device],
1623 try_dev_random=$enableval, try_dev_random=yes)
1624 AC_MSG_RESULT($try_dev_random)
1625
1626 case "{$target}" in
1627     *-openbsd*)
1628     NAME_DEV_RANDOM="/dev/srandom"
1629     ;;
1630
1631 dnl Win32 does not have /dev/random, they have their own method...
1632
1633     *-*-mingw*|*-*-cygwin*)
1634     ac_cv_have_dev_random=no
1635     ;;
1636
1637 dnl Everywhere else, it's /dev/random
1638
1639     *)
1640     NAME_DEV_RANDOM="/dev/random"
1641     ;;
1642 esac
1643
1644 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
1645
1646 dnl Now check if the device actually exists
1647
1648 if test "x$try_dev_random" = "xyes"; then
1649     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1650     [if test -r "$NAME_DEV_RANDOM" ; then
1651         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1652     if test "x$ac_cv_have_dev_random" = "xyes"; then
1653         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
1654     fi
1655 else
1656     AC_MSG_CHECKING(for random device)
1657     ac_cv_have_dev_random=no
1658     AC_MSG_RESULT(has been disabled)
1659 fi
1660
1661 if test "x$platform_win32" = "xyes"; then
1662     AC_DEFINE(HAVE_CRYPT_RNG)
1663 fi
1664
1665 if test "x$ac_cv_have_dev_random" = "xno" \
1666     && test "x$platform_win32" = "xno"; then
1667     AC_MSG_WARN([[
1668 ***
1669 *** A system-provided entropy source was not found on this system.
1670 *** Because of this, the System.Security.Cryptography random number generator
1671 *** will throw a NotImplemented exception.
1672 ***
1673 *** If you are seeing this message, and you know your system DOES have an
1674 *** entropy collection in place, please contact <crichton@gimp.org> and
1675 *** provide information about the system and how to access the random device.
1676 ***
1677 *** Otherwise you can install either egd or prngd and set the environment
1678 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1679 ***]])
1680 fi
1681
1682 AC_MSG_CHECKING([if inter-process shared handles are requested])
1683 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1684 AC_MSG_RESULT($try_shared_handles)
1685 if test "x$try_shared_handles" != "xyes"; then
1686         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
1687         AC_SUBST(DISABLE_SHARED_HANDLES)
1688 fi
1689
1690 if test x$gc = xsgen; then
1691    if test x$with_tls != x__thread; then
1692           AC_MSG_ERROR([The SGEN garbage collector depends on a working __thread implementation, and either --with-thread=pthread was passed to configure, or the configure test for __thread failed.])
1693    fi
1694 fi
1695
1696 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1697 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1698
1699 AC_MSG_CHECKING([if big-arrays are to be enabled])
1700 AC_ARG_ENABLE(big-arrays,  [ --enable-big-arrays        Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
1701 if test "x$enable_big_arrays" = "xyes" ; then
1702     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
1703         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
1704     else
1705         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
1706     fi
1707 fi
1708 AC_MSG_RESULT($enable_big_arrays)
1709
1710 dnl **************
1711 dnl *** DTRACE ***
1712 dnl **************
1713
1714 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
1715
1716 if test "x$enable_dtrace" = "xyes"; then
1717    if test "x$has_dtrace" = "xno"; then
1718           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
1719    fi
1720    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
1721    if test "x$DTRACE" = "xno"; then
1722           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
1723           enable_dtrace=no
1724    fi
1725 fi
1726
1727 dtrace_g=no
1728 if test "x$enable_dtrace" = "xyes"; then
1729         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
1730         DTRACEFLAGS=
1731         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1732                 case "$host" in
1733                         powerpc-*-darwin*)
1734                         DTRACEFLAGS="-arch ppc64"
1735                         ;;
1736                         i*86-*-darwin*)
1737                         DTRACEFLAGS="-arch x86_64"
1738                         ;;
1739                         *)
1740                         DTRACEFLAGS=-64
1741                         ;;
1742                 esac
1743         else
1744                 case "$host" in
1745                         powerpc-*-darwin*)
1746                         DTRACEFLAGS="-arch ppc"
1747                         ;;
1748                         i*86-*-darwin*)
1749                         DTRACEFLAGS="-arch i386"
1750                         ;;
1751                         *)
1752                         DTRACEFLAGS=-32
1753                         ;;
1754                 esac
1755         fi
1756         AC_SUBST(DTRACEFLAGS)
1757         case "$host" in
1758                 *-*-solaris*)
1759                 dtrace_g=yes
1760                 ;;
1761         esac
1762         AC_CHECK_HEADERS([sys/sdt.h])
1763 fi
1764 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
1765 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
1766
1767 dnl **************
1768 dnl ***  LLVM  ***
1769 dnl **************
1770
1771 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the experimental LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
1772
1773 if test "x$enable_llvm" = "xyes"; then
1774    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
1775    if test "x$LLVM_CONFIG" = "xno"; then
1776           AC_MSG_ERROR([llvm-config not found.])
1777    fi
1778
1779    LLVM_CXXFLAGS=`$LLVM_CONFIG --cflags`
1780    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
1781    LLVM_LIBS=`$LLVM_CONFIG --libs core engine`
1782    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
1783
1784    AC_SUBST(LLVM_CXXFLAGS)
1785    AC_SUBST(LLVM_LIBS)
1786    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
1787 fi
1788
1789 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
1790
1791 TARGET="unknown"
1792 ACCESS_UNALIGNED="yes"
1793
1794 JIT_SUPPORTED=no
1795 INTERP_SUPPORTED=no
1796 LIBC="libc.so.6"
1797 INTL="libc.so.6"
1798 SQLITE="libsqlite.so.0"
1799 SQLITE3="libsqlite3.so.0"
1800 X11="libX11.so"
1801
1802 sizeof_register="SIZEOF_VOID_P"
1803
1804 jit_wanted=false
1805 interp_wanted=false
1806 case "$host" in
1807 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1808 #               TARGET=MIPS;
1809 #               ACCESS_UNALIGNED="no"
1810 #               ;;
1811         mips*)
1812                 TARGET=MIPS;
1813                 arch_target=mips;
1814                 ACCESS_UNALIGNED="no"
1815                 JIT_SUPPORTED=yes
1816                 jit_wanted=true
1817
1818                 AC_MSG_CHECKING(for mips n32)
1819                 AC_TRY_COMPILE([], [
1820                 void main () {
1821                 #if _MIPS_SIM != _ABIN32
1822                 #error Not mips n32
1823                 #endif
1824                 }
1825                 ],[
1826                 AC_MSG_RESULT(yes)
1827                 sizeof_register=8
1828                 ],[
1829                 AC_MSG_RESULT(no)
1830                 ])
1831                 ;;
1832         i*86-*-*)
1833                 TARGET=X86;
1834                 arch_target=x86;
1835                 JIT_SUPPORTED=yes
1836                 jit_wanted=true
1837                 case $host_os in
1838                   solaris*)
1839                         LIBC="libc.so"
1840                         INTL="libintl.so"
1841                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
1842                                 TARGET=AMD64
1843                                 arch_target=amd64
1844                         fi
1845
1846                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
1847                         # int astruct __attribute__ ((visibility ("hidden")));
1848                         # void foo ()
1849                         # {
1850                         #       void *p = &astruct;
1851                         # }
1852                         # gcc -fPIC --shared -o libfoo.so foo.c
1853                         # yields:
1854                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
1855                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
1856                         have_visibility_hidden=no
1857
1858                 esac
1859                 ;;
1860         x86_64-*-* | amd64-*-*)
1861                 TARGET=AMD64;
1862                 arch_target=amd64;
1863                 JIT_SUPPORTED=yes
1864                 jit_wanted=true
1865                 ;;
1866         ia64-*-*)
1867                 TARGET=IA64
1868                 arch_target=ia64
1869                 ACCESS_UNALIGNED="no"
1870                 JIT_SUPPORTED=yes
1871                 jit_wanted=true
1872                 LIBC="libc.so.6.1"
1873                 INTL="libc.so.6.1"
1874                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
1875                 libmono_ldflags="-lunwind"
1876                 ;;
1877         sparc*-*-*)
1878                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1879                    TARGET=SPARC64
1880                 else
1881                         TARGET=SPARC
1882                 fi
1883                 arch_target=sparc;
1884                 JIT_SUPPORTED=yes
1885                 ACCESS_UNALIGNED="no"
1886                 case $host_os in
1887                   linux*) ;;
1888                   *)
1889                         LIBC="libc.so"
1890                         INTL="libintl.so"
1891                 esac
1892                 jit_wanted=true
1893                 if test x"$GCC" = xyes; then
1894                         # We don't support v8 cpus
1895                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
1896                 fi
1897                 if test x"$AR" = xfalse; then
1898                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
1899                 fi
1900                 ;;
1901        alpha*-*-linux* | alpha*-*-osf*)
1902                 TARGET=ALPHA;
1903                 ACCESS_UNALIGNED="no"
1904                 JIT_SUPPORTED=yes
1905                 jit_wanted=true
1906                 arch_target=alpha;
1907                 CFLAGS="$CFLAGS -mieee -O0"
1908                 case $host_os in
1909                   linux*)
1910                         LIBC="libc.so.6.1"
1911                         INTL="libc.so.6.1"
1912                 esac
1913                ;;
1914         *-*-mingw*|*-*-cygwin*)
1915                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
1916                 have_visibility_hidden=no
1917                 INTL="intl"
1918                 ;;
1919         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1920                 TARGET=HPPA;
1921                 arch_target=hppa;
1922                 LIBC="libc.sl"
1923                 ACCESS_UNALIGNED="no"
1924                 INTERP_SUPPORTED=yes
1925                 interp_wanted=true
1926                 ;;
1927         hppa*linux*)
1928                 TARGET=HPPA;
1929                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1930                 arch_target=hppa;
1931                 ACCESS_UNALIGNED="no"
1932                 JIT_SUPPORTED=yes
1933                 jit_wanted=true
1934                 ;;
1935         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
1936         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* )
1937                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1938                         TARGET=POWERPC64;
1939                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
1940                         CFLAGS="$CFLAGS -mminimal-toc"
1941                 else
1942                         TARGET=POWERPC;
1943                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
1944                 fi
1945                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1946                 arch_target=ppc;
1947                 JIT_SUPPORTED=yes
1948                 jit_wanted=true
1949                 ;;
1950         arm*-darwin*)
1951                 TARGET=ARM;
1952                 arch_target=arm;
1953                 ACCESS_UNALIGNED="no"
1954                 JIT_SUPPORTED=yes
1955                 CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE=1"
1956                 jit_wanted=true
1957                 ;;
1958         arm*-linux*)
1959                 TARGET=ARM;
1960                 arch_target=arm;
1961                 ACCESS_UNALIGNED="no"
1962                 JIT_SUPPORTED=yes
1963                 jit_wanted=true
1964                 ;;
1965         s390-*-linux*)
1966                 TARGET=S390;
1967                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1968                 arch_target=s390;
1969                 ACCESS_UNALIGNED="no"
1970                 JIT_SUPPORTED=yes
1971                 jit_wanted=true
1972                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
1973                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1974                 ;;
1975         s390x-*-linux*)
1976                 TARGET=S390x;
1977                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1978                 arch_target=s390x;
1979                 ACCESS_UNALIGNED="no"
1980                 JIT_SUPPORTED=yes
1981                 jit_wanted=true
1982                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
1983                 ;;
1984 esac
1985
1986 if test "x$sizeof_register" = "x4"; then
1987    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
1988 elif test "x$sizeof_register" = "x8"; then
1989    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
1990 else
1991    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
1992 fi
1993
1994 if test "x$have_visibility_hidden" = "xyes"; then
1995    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
1996 fi
1997
1998 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1999         if test x$withval = xyes; then
2000            jit_wanted=true
2001         else
2002            jit_wanted=false
2003         fi
2004 ])
2005
2006 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
2007         if test x$withval = xyes; then
2008            interp_wanted=true
2009         else
2010            interp_wanted=false
2011         fi
2012 ])
2013
2014 USEJIT=false
2015 if test x$JIT_SUPPORTED = xyes; then
2016    if $jit_wanted; then
2017       USEJIT=true
2018       jit_status="Building and using the JIT"
2019    else
2020       if $interp_wanted; then
2021          jit_status="Building the JIT, defaulting to the interpreter"
2022       else
2023          AC_ERROR(No JIT or interpreter support available or selected.)
2024       fi
2025    fi
2026 else
2027    if test x$interp_wanted = xtrue; then
2028       jit_status="interpreter"
2029    else
2030       AC_ERROR(No JIT or interpreter support available or selected.)
2031    fi
2032 fi
2033
2034 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2035
2036 libsuffix=".so"
2037
2038 case "$host" in
2039      *-*-darwin*)
2040         libsuffix=".dylib"
2041         LIBC="libc.dylib"
2042         INTL="libintl.dylib"
2043         SQLITE="libsqlite.0.dylib"
2044         SQLITE3="libsqlite3.0.dylib"
2045         X11="libX11.dylib"
2046         ;;
2047      *-*-*netbsd*)
2048         LIBC="libc.so.12"
2049         INTL="libintl.so.0"
2050         ;;
2051     *-*-*freebsd*)
2052         LIBC="libc.so"
2053         INTL="libintl.so"
2054         ;;
2055     *-*-*openbsd*)
2056         LIBC="libc.so"
2057         INTL="libintl.so"
2058         ;;
2059     *-*-*linux*)
2060         AC_PATH_X
2061         AC_MSG_CHECKING(for the soname of libX11.so)
2062         for i in $x_libraries /usr/lib /usr/lib64; do
2063                 for r in 4 5 6; do
2064                         if test -f $i/libX11.so.$r; then
2065                                 X11=libX11.so.$r
2066                                 AC_MSG_RESULT($X11)
2067                         fi
2068                 done
2069         done
2070
2071         if test "x$X11" = "xlibX11.so"; then
2072                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? WinForms may not work...]);
2073         fi
2074         ;;
2075 esac
2076
2077
2078 AC_SUBST(libsuffix)
2079
2080 AC_CHECK_HEADERS(valgrind/memcheck.h)
2081
2082 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2083         if test "x$with_tls" = "x__thread"; then
2084                 #
2085                 # On some linux distributions, TLS works in executables, but linking
2086                 # against a shared library containing TLS fails with:
2087                 # undefined reference to `__tls_get_addr'
2088                 #
2089                 rm -f conftest.c conftest.so conftest
2090                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
2091                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2092                 $CC -o conftest conftest.so > /dev/null 2>&1
2093                 if test ! -f conftest; then
2094                    AC_MSG_WARN([Disabling usage of __thread.]);
2095                    with_tls=pthread
2096                 fi
2097                 rm -f conftest.c conftest.so conftest
2098         fi
2099 fi
2100
2101 mono_debugger_supported=no
2102 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
2103         if test x$use_included_gc = xyes; then
2104                 case "$host" in
2105                 *-*-*linux*)
2106                         mono_debugger_supported=yes
2107                         ;;
2108                 esac
2109         fi
2110 fi
2111
2112 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2113 if test "x$mono_debugger_supported" = "xyes"; then
2114         AC_DEFINE(MONO_DEBUGGER_SUPPORTED,1,[The Mono Debugger is supported on this platform])
2115 fi
2116 AC_MSG_RESULT($mono_debugger_supported)
2117 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2118
2119 if test "x$with_tls" = "x__thread"; then
2120         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2121         # Pass the information to libgc
2122         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2123         AC_MSG_CHECKING(if the tls_model attribute is supported)
2124         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2125                 ], [
2126                         AC_MSG_RESULT(yes)
2127                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2128                 ], [
2129                         AC_MSG_RESULT(no)
2130         ])
2131 fi
2132
2133 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2134         dnl ******************************************
2135         dnl *** Check to see what FPU is available ***
2136         dnl ******************************************
2137         AC_MSG_CHECKING(which FPU to use)
2138
2139         AC_TRY_COMPILE([], [
2140                 __asm__ ("ldfd f0, [r0]");
2141                 ], fpu=FPA, fpu=NONE)
2142
2143         AC_MSG_RESULT($fpu)
2144         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2145         unset fpu
2146 fi
2147
2148 if test ${TARGET} = unknown; then
2149         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2150         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2151 fi
2152
2153 if test ${ACCESS_UNALIGNED} = no; then
2154         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2155 fi
2156
2157 case "x$gc" in
2158         xincluded)
2159                 # Pass CPPFLAGS to libgc configure
2160                 # We should use a separate variable for this to avoid passing useless and
2161                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2162                 # This should be executed late so we pick up the final version of CPPFLAGS
2163                 # The problem with this approach, is that during a reconfigure, the main
2164                 # configure scripts gets invoked with these arguments, so we use separate
2165                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2166                 LIBGC_CPPFLAGS=$CPPFLAGS
2167                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2168                         LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2169                 fi
2170                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2171                 AC_CONFIG_SUBDIRS(libgc)
2172                 ;;
2173 esac
2174
2175 PREVIEW=yes
2176 AC_ARG_WITH(preview,  [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
2177         if test x$with_preview = xno; then
2178               PREVIEW=no
2179         fi
2180 ])
2181
2182 MOONLIGHT=yes
2183 AC_ARG_WITH(moonlight,[ --with-moonlight=yes,no   If you want to build the Moonlight 2.1 assemblies],[
2184         if test x$with_moonlight = xno; then
2185               MOONLIGHT=no
2186         fi
2187 ])
2188
2189 OPROFILE=no
2190 AC_ARG_WITH(oprofile,[ --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to NO)],[
2191         if test x$with_oprofile != xno; then
2192             oprofile_include=$with_oprofile/include
2193             if test ! -f $oprofile_include/opagent.h; then
2194                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2195                 fi
2196             OPROFILE=yes
2197                 OPROFILE_CFLAGS="-I$oprofile_include"
2198             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2199             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2200         fi
2201 ])
2202
2203 MALLOC_MEMPOOLS=no
2204 AC_ARG_WITH(malloc_mempools,[ --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to NO)],[
2205         if test x$with_malloc_mempools = xyes; then
2206                 MALLOC_MEMPOOLS=yes
2207                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2208         fi
2209 ])
2210
2211
2212 DISABLE_MCS_DOCS=no
2213 AC_ARG_WITH(mcs_docs,[ --with-mcs-docs=yes,no  If you want to build the documentation under mcs (defaults to YES)],[
2214         if test x$with_mcs_docs != xyes; then
2215                 DISABLE_MCS_DOCS=yes
2216         fi
2217 ])
2218
2219 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2220 AC_SUBST(OPROFILE_CFLAGS)
2221 AC_SUBST(OPROFILE_LIBS)
2222
2223 libmono_ldflags="$libmono_ldflags $LIBS"
2224
2225 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
2226 AM_CONDITIONAL(INSTALL_2_1, test x$MOONLIGHT = xyes)
2227
2228 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2229 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2230 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2231 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2232 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2233 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2234 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2235 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2236 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2237 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2238 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2239 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2240 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2241 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2242 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2243 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2244
2245 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2246 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2247 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2248
2249 AC_SUBST(LIBC)
2250 AC_SUBST(INTL)
2251 AC_SUBST(SQLITE)
2252 AC_SUBST(SQLITE3)
2253 AC_SUBST(X11)
2254 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2255 AC_SUBST(arch_target)
2256 AC_SUBST(CFLAGS)
2257 AC_SUBST(CPPFLAGS)
2258 AC_SUBST(LDFLAGS)
2259
2260 mono_build_root=`pwd`
2261 AC_SUBST(mono_build_root)
2262
2263 if test x$USEJIT = xtrue; then
2264   mono_runtime=mono/mini/mono
2265 else
2266   mono_runtime=mono/interpreter/mint
2267 fi
2268 AC_SUBST(mono_runtime)
2269
2270 mono_cfg_root=$mono_build_root/runtime
2271 if test x$platform_win32 = xyes; then
2272   if test "x$cross_compiling" = "xno"; then
2273     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2274   else
2275     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\\'`\\etc
2276   fi
2277 else
2278   mono_cfg_dir=$mono_cfg_root/etc
2279 fi
2280 AC_SUBST(mono_cfg_dir)
2281
2282 AC_CONFIG_FILES([po/mcs/Makefile.in])
2283
2284 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
2285 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
2286
2287 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
2288 [   depth=../../../..
2289     case $srcdir in
2290     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2291     .) reldir=$depth ;;
2292     *) reldir=$depth/$srcdir ;;
2293     esac
2294     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
2295     cd runtime/etc/mono/1.0
2296     rm -f machine.config
2297     $LN_S $reldir/data/net_1_1/machine.config machine.config
2298     cd $depth
2299 ],[LN_S='$LN_S'])
2300
2301 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
2302 [   depth=../../../..
2303     case $srcdir in
2304     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2305     .) reldir=$depth ;;
2306     *) reldir=$depth/$srcdir ;;
2307     esac
2308     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2309     cd runtime/etc/mono/2.0
2310     rm -f machine.config
2311     $LN_S $reldir/data/net_2_0/machine.config machine.config
2312     cd $depth
2313 ],[LN_S='$LN_S'])
2314
2315 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
2316 [   depth=../../../..
2317     case $srcdir in
2318     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2319     .) reldir=$depth ;;
2320     *) reldir=$depth/$srcdir ;;
2321     esac
2322     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
2323     cd runtime/etc/mono/2.0
2324     rm -f web.config
2325     $LN_S $reldir/data/net_2_0/web.config web.config
2326     cd $depth
2327 ],[LN_S='$LN_S'])
2328
2329 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
2330 [   depth=../../..
2331     case $srcdir in
2332     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2333     .) reldir=$depth ;;
2334     *) reldir=$depth/$srcdir ;;
2335     esac
2336     $ac_aux_dir/install-sh -d runtime/etc/mono/
2337     cd runtime/etc/mono/
2338     rm -f browscap.ini
2339     $LN_S $reldir/data/browscap.ini browscap.ini
2340     cd $depth
2341 ],[LN_S='$LN_S'])
2342
2343 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
2344 [   depth=../../../../..
2345     case $srcdir in
2346     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
2347     .) reldir=$depth ;;
2348     *) reldir=$depth/$srcdir ;;
2349     esac
2350     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
2351     cd runtime/etc/mono/2.0/Browsers
2352     rm -f Compat.browser
2353     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
2354     cd $depth
2355 ],[LN_S='$LN_S'])
2356
2357 if test x$enable_quiet_build = xyes; then
2358    AC_CONFIG_COMMANDS([quiet], [for i in `find mono libgc support -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
2359    AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
2360 fi
2361
2362 AC_OUTPUT([
2363 Makefile
2364 mono-uninstalled.pc
2365 scripts/mono-find-provides
2366 scripts/mono-find-requires
2367 mono/Makefile
2368 mono/utils/Makefile
2369 mono/metadata/Makefile
2370 mono/dis/Makefile
2371 mono/cil/Makefile
2372 mono/arch/Makefile
2373 mono/arch/x86/Makefile
2374 mono/arch/amd64/Makefile
2375 mono/arch/hppa/Makefile
2376 mono/arch/ppc/Makefile
2377 mono/arch/sparc/Makefile
2378 mono/arch/s390/Makefile
2379 mono/arch/s390x/Makefile
2380 mono/arch/arm/Makefile
2381 mono/arch/alpha/Makefile
2382 mono/arch/ia64/Makefile
2383 mono/arch/mips/Makefile
2384 mono/interpreter/Makefile
2385 mono/tests/Makefile
2386 mono/tests/tests-config
2387 mono/tests/assemblyresolve/Makefile
2388 mono/tests/cas/Makefile
2389 mono/tests/cas/assembly/Makefile
2390 mono/tests/cas/demand/Makefile
2391 mono/tests/cas/inheritance/Makefile
2392 mono/tests/cas/linkdemand/Makefile
2393 mono/tests/cas/threads/Makefile
2394 mono/benchmark/Makefile
2395 mono/monograph/Makefile
2396 mono/io-layer/Makefile
2397 mono/mini/Makefile
2398 mono/profiler/Makefile
2399 ikvm-native/Makefile
2400 scripts/Makefile
2401 man/Makefile
2402 web/Makefile
2403 docs/Makefile
2404 data/Makefile
2405 data/net_1_1/Makefile
2406 data/net_2_0/Makefile
2407 data/net_2_0/Browsers/Makefile
2408 data/mint.pc
2409 data/mono.pc
2410 data/mono-cairo.pc
2411 data/mono-nunit.pc
2412 data/mono-options.pc
2413 data/mono-lineeditor.pc
2414 data/monodoc.pc
2415 data/mono.web.pc
2416 data/dotnet.pc
2417 data/dotnet35.pc
2418 data/wcf.pc
2419 data/cecil.pc
2420 data/system.web.extensions_1.0.pc
2421 data/system.web.extensions.design_1.0.pc
2422 data/system.web.mvc.pc
2423 samples/Makefile
2424 support/Makefile
2425 data/config
2426 tools/Makefile
2427 tools/locale-builder/Makefile
2428 runtime/Makefile
2429 msvc/Makefile
2430 po/Makefile
2431 ])
2432
2433 if test x$platform_win32 = xyes; then
2434    # Get rid of 'cyg' prefixes in library names
2435    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2436    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
2437    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
2438    # executable doesn't work...
2439    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
2440 fi
2441
2442 (
2443   case $prefix in
2444   NONE) prefix=$ac_default_prefix ;;
2445   esac
2446   case $exec_prefix in
2447   NONE) exec_prefix='${prefix}' ;;
2448   esac
2449
2450   test -w $srcdir/$mcsdir/build || chmod +w $srcdir/$mcsdir/build
2451
2452   #
2453   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
2454   # any existing config.make.  This allows people to share the same source tree
2455   # with different build directories, one native and one cross
2456   #
2457   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2458     echo "prefix=$prefix" > $srcdir/$mcsdir/build/config.make
2459     echo "exec_prefix=$exec_prefix" >> $srcdir/$mcsdir/build/config.make
2460     echo "sysconfdir=$sysconfdir" >> $srcdir/$mcsdir/build/config.make
2461     echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$mcsdir/build/config.make
2462     echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
2463     echo 'IL_FLAGS = /debug' >> $srcdir/$mcsdir/build/config.make
2464     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$mcsdir/build/config.make
2465     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $srcdir/$mcsdir/build/config.make
2466     case $INSTALL in
2467     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
2468     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
2469     esac
2470
2471     echo "INSTALL = $mcs_INSTALL" >> $srcdir/$mcsdir/build/config.make
2472
2473     export VERSION
2474     [myver=$($AWK 'BEGIN {
2475       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
2476       if(length(vsplit [1]) > 4) {
2477         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
2478       }
2479       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
2480     }')]
2481
2482     echo "MONO_VERSION = $myver" >> $srcdir/$mcsdir/build/config.make
2483   fi
2484
2485   if test x$platform_darwin = xyes; then
2486         echo "PLATFORM = darwin" >> $srcdir/$mcsdir/build/config.make
2487   fi
2488
2489   if test x$TARGET = xAMD64 -a x$platform_win32 = xno -a "x$AOT_SUPPORTED" = "xyes"; then
2490          echo "ENABLE_AOT = 1" >> $srcdir/$mcsdir/build/config.make
2491   fi
2492
2493   # if we have an olive folder, override the default settings
2494   if test -d $olivedir; then
2495
2496     test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
2497
2498     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
2499       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
2500       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
2501       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
2502       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
2503       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
2504       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
2505           if test x$with_moonlight = xyes; then
2506         echo "WITH_MOONLIGHT = yes" >> $srcdir/$olivedir/build/config.make
2507       fi
2508     fi
2509   fi
2510
2511   if test x$DISABLE_MCS_DOCS = xyes; then
2512         echo "DISABLE_MCS_DOCS = yes" >> $srcdir/$mcsdir/build/config.make
2513   fi
2514 )
2515
2516 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
2517
2518 echo "
2519         mcs source:    $mcs_topdir
2520         olive source:  $olive_topdir
2521
2522         GC:            $gc
2523         TLS:           $with_tls
2524         SIGALTSTACK:   $with_sigaltstack
2525         Engine:        $jit_status
2526         2.0 Beta:      $PREVIEW
2527         2.1 Alpha:     $MOONLIGHT
2528         JNI support:   $jdk_headers_found
2529         libgdiplus:    $libgdiplus_msg
2530         zlib:          $zlib_msg
2531         oprofile:      $OPROFILE
2532         BigArrays:     $enable_big_arrays
2533         DTrace:        $enable_dtrace
2534         Parallel Mark: $enable_parallel_mark
2535         LLVM Back End: $enable_llvm
2536         $disabled
2537
2538 "
2539 if test x$with_static_mono = xno -a "x$platform_win32" != "xyes"; then
2540    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
2541 fi
2542
2543 if test x$gc = xsgen; then
2544         echo IMPORTANT:
2545         echo IMPORTANT: You have selected an experimental, work-in-progress
2546         echo IMPORTANT: GC engine.  This GC engine is currently not supported
2547         echo IMPORTANT: and is not yet ready for use.
2548         echo IMPORTANT:
2549         echo IMPORTANT: There are known problems with it, use at your own risk.
2550 fi
2551
2552 if test x$enable_llvm = xyes; then
2553    echo IMPORTANT:
2554    echo IMPORTANT: The LLVM Back End is experimental and does not work yet.
2555    echo IMPORTANT:
2556 fi