configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.1],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AM_CONFIG_HEADER([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176 # TLS is only partially implemented on -CURRENT (compiler support
 177 # but NOT library support)
 178 #
 179                 with_tls=pthread
 180                 use_sigposix=yes
 181                 ;;
 182         *-*-*openbsd*)
 183                 host_win32=no
 184                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 189                 LDFLAGS="$LDFLAGS -pthread"
 190                 need_link_unlink=yes
 191                 AC_DEFINE(PTHREAD_POINTER_ID)
 192                 libdl=
 193                 gc_default=boehm
 194                 libgc_threads=pthreads
 195                 with_sigaltstack=no
 196                 use_sigposix=yes
 197                 ;;
 198         *-*-linux-android*)
 199                 host_win32=no
 200                 platform_android=yes
 201                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 202                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 203
 204                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 205                 if test "x$disable_munmap" != "xyes"; then
 206                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 207                 fi
 208                 libmono_cflags="-D_REENTRANT"
 209                 libdl="-ldl"
 210                 libgc_threads=pthreads
 211                 use_sigposix=yes
 212
 213                 with_tls=pthread
 214                 with_sigaltstack=no
 215                 with_static_mono=no
 216
 217                 # Android doesn't support boehm, as it's missing <link.h>
 218                 support_boehm=no
 219                 with_gc=sgen
 220
 221                 # isinf(3) requires -lm; see isinf check below
 222                 LDFLAGS="$LDFLAGS -lm"
 223
 224                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 225                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 226                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 227                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 228                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 229
 230                 # to bypass the underscore linker check, can't work when cross-compiling
 231                 mono_cv_uscore=yes
 232                 mono_cv_clang=no
 233                 ;;
 234         *-*-linux*)
 235                 host_win32=no
 236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 237                 if test "x$disable_munmap" != "xyes"; then
 238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 239                 fi
 240                 libmono_cflags="-D_REENTRANT"
 241                 libdl="-ldl"
 242                 libgc_threads=pthreads
 243                 use_sigposix=yes
 244                 ;;
 245         *-*-nacl*)
 246                 host_win32=no
 247                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 248                 if test "x$disable_munmap" != "xyes"; then
 249                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 250                 fi
 251                 libmono_cflags="-D_REENTRANT"
 252                 libdl=
 253                 libgc_threads=pthreads
 254                 gc_default=boehm
 255                 use_sigposix=yes
 256                 ikvm_native=no
 257                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 258                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 259                 ;;
 260         *-*-hpux*)
 261                 host_win32=no
 262                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 263                 # +ESdbgasm only valid on bundled cc on RISC
 264                 # silently ignored for ia64
 265                 if test $GCC != "yes"; then
 266                         CFLAGS="$CFLAGS +ESdbgasm"
 267                         # Arrange for run-time dereferencing of null
 268                         # pointers to produce a SIGSEGV signal.
 269                         LDFLAGS="$LDFLAGS -z"
 270                 fi
 271                 CFLAGS="$CFLAGS +ESdbgasm"
 272                 LDFLAGS="$LDFLAGS -z"
 273                 libmono_cflags="-D_REENTRANT"
 274                 libmono_ldflags="-lpthread"
 275                 libgc_threads=pthreads
 276                 need_link_unlink=yes
 277                 use_sigposix=yes
 278                 ;;
 279         *-*-solaris*)
 280                 host_win32=no
 281                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 282                 need_link_unlink=yes
 283                 libmono_cflags="-D_REENTRANT"
 284                 libgc_threads=pthreads
 285                 # This doesn't seem to work on solaris/x86, but the configure test runs
 286                 with_tls=pthread
 287                 has_dtrace=yes
 288                 use_sigposix=yes
 289                 enable_solaris_tar_check=yes
 290                 ;;
 291         *-*-darwin*)
 292                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 293                 host_win32=no
 294                 platform_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 298                 libmono_cflags="-D_THREAD_SAFE"
 299                 LDFLAGS="$LDFLAGS -pthread"
 300                 libmono_ldflags="-pthread"
 301                 need_link_unlink=yes
 302                 AC_DEFINE(PTHREAD_POINTER_ID)
 303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 304                 no_version_script=yes
 305                 libdl=
 306                 libgc_threads=pthreads
 307                 has_dtrace=yes
 308                 if test "x$cross_compiling" = "xyes"; then
 309                         has_broken_apple_cpp=yes
 310                 fi
 311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 314                 case "$host" in
 315                         dnl Snow Leopard and newer config.guess reports as this
 316                         i*86-*-darwin*)
 317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
 318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 324                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 325                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 326                                 ;;
 327                 esac
 328                 ;;
 329         *-*-haiku*)
 330                 host_win32=no
 331                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 332                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 333                 libdl=
 334                 LIBS="$LIBS -lnetwork"
 335                 need_link_unlink=yes
 336                 AC_DEFINE(PTHREAD_POINTER_ID)
 337                 libgc_threads=pthreads
 338                 use_sigposix=yes
 339                 ;;
 340         *)
 341                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 342                 host_win32=no
 343                 libdl="-ldl"
 344                 ;;
 345 esac
 346 AC_MSG_RESULT(ok)
 347
 348 if test x$need_link_unlink = xyes; then
 349    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 350 fi
 351
 352 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 353 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 354 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 355 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 356 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 357 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 358
 359 AC_CHECK_TOOL(CC, gcc, gcc)
 360 AC_PROG_CC
 361 AC_CHECK_TOOL(CXX, g++, g++)
 362 AC_PROG_CXX
 363 AM_PROG_AS
 364 AM_PROG_CC_STDC
 365 AC_PROG_INSTALL
 366 AC_PROG_AWK
 367 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 368 : ${CCAS='$(CC)'}
 369 # Set ASFLAGS if not already set.
 370 : ${CCASFLAGS='$(CFLAGS)'}
 371 AC_SUBST(CCAS)
 372 AC_SUBST(CCASFLAGS)
 373
 374 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 375 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 376 if test "x$CXX" = "xg++"; then
 377         if test "x$GXX" != "xyes"; then
 378                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 379                 # are inside automake conditionals
 380                 AC_MSG_ERROR([You need to install g++])
 381         fi
 382 fi
 383
 384 dnl may require a specific autoconf version
 385 dnl AC_PROG_CC_FOR_BUILD
 386 dnl CC_FOR_BUILD not automatically detected
 387 CC_FOR_BUILD=$CC
 388 CFLAGS_FOR_BUILD=$CFLAGS
 389 BUILD_EXEEXT=
 390 if test "x$cross_compiling" = "xyes"; then
 391         CC_FOR_BUILD=cc
 392         CFLAGS_FOR_BUILD=
 393         BUILD_EXEEXT=""
 394 fi
 395 AC_SUBST(CC_FOR_BUILD)
 396 AC_SUBST(CFLAGS_FOR_BUILD)
 397 AC_SUBST(HOST_CC)
 398 AC_SUBST(BUILD_EXEEXT)
 399
 400 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 401 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 402
 403 # Set STDC_HEADERS
 404 AC_HEADER_STDC
 405 AC_LIBTOOL_WIN32_DLL
 406 # This causes monodis to not link correctly
 407 #AC_DISABLE_FAST_INSTALL
 408 AM_PROG_LIBTOOL
 409 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 410 DOLT
 411
 412 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 413 AC_SUBST(export_ldflags)
 414
 415 # Test whenever ld supports -version-script
 416 AC_PROG_LD
 417 AC_PROG_LD_GNU
 418 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 419    no_version_script=yes
 420 fi
 421
 422 AM_ICONV()
 423
 424 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 425
 426 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 sys/uio.h sys/param.h libproc.h)
 427 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
 428 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 429                   [], [], [#include <stddef.h>
 430                   #include <sys/socket.h>
 431                   #include <linux/socket.h>])
 432
 433 AC_CHECK_HEADERS(sys/user.h, [], [],
 434 [
 435 #ifdef HAVE_SYS_PARAM_H
 436 # include <sys/param.h>
 437 #endif
 438 ])
 439
 440 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 441 if test x$have_zlib = xyes; then
 442    AC_TRY_COMPILE([#include <zlib.h>], [
 443    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 444    return 0;
 445    #else
 446    #error No good zlib found
 447    #endif
 448    ],[
 449         AC_MSG_RESULT(Using system zlib)
 450         zlib_msg="system zlib"
 451         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 452    ],[
 453         AC_MSG_RESULT(Using embedded zlib)
 454         have_zlib=no
 455         zlib_msg="bundled zlib"
 456    ])
 457 fi
 458
 459 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 460 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 461
 462 # for mono/metadata/debug-symfile.c
 463 AC_CHECK_HEADERS(elf.h)
 464
 465 # for support
 466 AC_CHECK_HEADERS(poll.h)
 467 AC_CHECK_HEADERS(sys/poll.h)
 468 AC_CHECK_HEADERS(sys/wait.h)
 469 AC_CHECK_HEADERS(grp.h)
 470 AC_CHECK_HEADERS(syslog.h)
 471
 472 # for mono/dis
 473 AC_CHECK_HEADERS(wchar.h)
 474 AC_CHECK_HEADERS(ieeefp.h)
 475 AC_MSG_CHECKING(for isinf)
 476 AC_TRY_LINK([#include <math.h>], [
 477         int f = isinf (1);
 478 ], [
 479         AC_MSG_RESULT(yes)
 480         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 481 ], [
 482         # We'll have to use signals
 483         AC_MSG_RESULT(no)
 484 ])
 485
 486 # for Linux statfs support
 487 AC_CHECK_HEADERS(linux/magic.h)
 488
 489 # not 64 bit clean in cross-compile
 490 AC_CHECK_SIZEOF(void *, 4)
 491
 492 WARN=''
 493 if test x"$GCC" = xyes; then
 494         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
 495                 # The runtime code does not respect ANSI C strict aliasing rules
 496                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 497
 498                 ORIG_CFLAGS=$CFLAGS
 499                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 500                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 501                 AC_TRY_COMPILE([],[
 502                                 return 0;
 503                 ], [
 504                    AC_MSG_RESULT(yes)
 505                 ], [
 506                    AC_MSG_RESULT(no)
 507                    CFLAGS=$ORIG_CFLAGS
 508                 ])
 509
 510                 ORIG_CFLAGS=$CFLAGS
 511                 # Check for the normal version, since gcc ignores unknown -Wno options
 512                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 513                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 514                 AC_TRY_COMPILE([],[
 515                                 return 0;
 516                 ], [
 517                    AC_MSG_RESULT(yes)
 518                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 519                 ], [
 520                    AC_MSG_RESULT(no)
 521                    CFLAGS=$ORIG_CFLAGS
 522                 ])
 523 else
 524         # The Sun Forte compiler complains about inline functions that access static variables
 525         # so disable all inlining.
 526         case "$host" in
 527         *-*-solaris*)
 528                 CFLAGS="$CFLAGS -Dinline="
 529                 ;;
 530         esac
 531 fi
 532 CFLAGS="$CFLAGS -g $WARN"
 533 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 534
 535 AC_CACHE_CHECK([for clang],
 536         mono_cv_clang,[
 537         AC_TRY_RUN([
 538                 int main () {
 539                         #ifdef __clang__
 540                                 return 0;
 541                         #else
 542                                 return 1;
 543                         #endif
 544                 }
 545         ],
 546         [mono_cv_clang=yes],
 547         [mono_cv_clang=no],
 548         [])
 549 ])
 550
 551 # Where's the 'mcs' source tree?
 552 if test -d $srcdir/mcs; then
 553   mcsdir=mcs
 554 else
 555   mcsdir=../mcs
 556 fi
 557
 558 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 559         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 560                 mcsdir=$with_mcs_path
 561         fi
 562 )
 563
 564 #
 565 # A sanity check to catch cases where the package was unpacked
 566 # with an ancient tar program (Solaris)
 567 #
 568 AC_ARG_ENABLE(solaris-tar-check,
 569 [  --disable-solaris-tar-check    disable solaris tar check],
 570    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 571
 572 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 573         AC_MSG_CHECKING(integrity of package)
 574         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 575         then
 576                 AC_MSG_RESULT(ok)
 577         else
 578                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 579                 AC_MSG_ERROR([$errorm])
 580         fi
 581 fi
 582
 583 if test "x$with_mcs_path" != "x"; then
 584 mcs_topdir=$(cd "$mcsdir" && pwd)
 585 mcs_topdir_from_srcdir=$mcs_topdir
 586 else
 587 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 588 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 589 fi
 590
 591 # Convert mcs_topdir* paths to Windows syntax.
 592 if test x$cross_compiling$host_win32 = xnoyes; then
 593   mcs_topdir=$(cygpath -m $mcs_topdir)
 594   case $mcs_topdir_from_srcdir in
 595     /cygdrive/*)
 596         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 597         ;;
 598   esac
 599 fi
 600
 601 AC_SUBST([mcs_topdir])
 602 AC_SUBST([mcs_topdir_from_srcdir])
 603
 604 # Where's the 'olive' source tree?
 605 if test -d $srcdir/olive; then
 606   olivedir=olive
 607 else
 608   olivedir=../olive
 609 fi
 610
 611 if test -d $srcdir/$olivedir; then
 612 olive_topdir='$(top_srcdir)/'$olivedir
 613 fi
 614
 615 # gettext: prepare the translation directories.
 616 # we do not configure the full gettext, as we consume it dynamically from C#
 617 AM_PO_SUBDIRS
 618
 619 if test "x$USE_NLS" = "xyes"; then
 620    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 621
 622    if test "x$HAVE_MSGFMT" = "xno"; then
 623           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 624    fi
 625 fi
 626
 627 AC_ARG_WITH([libgdiplus],
 628         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 629         [], [with_libgdiplus=installed])
 630
 631 case $with_libgdiplus in
 632 no|installed) libgdiplus_loc= ;;
 633 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 634 /*) libgdiplus_loc=$with_libgdiplus ;;
 635 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 636 esac
 637 AC_SUBST([libgdiplus_loc])
 638
 639 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 640
 641 pkg_config_path=
 642 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 643         if test x$with_crosspkgdir = "x"; then
 644                 if test -s $PKG_CONFIG_PATH; then
 645                         pkg_config_path=$PKG_CONFIG_PATH
 646                 fi
 647         else
 648                 pkg_config_path=$with_crosspkgdir
 649                 PKG_CONFIG_PATH=$pkg_config_path
 650                 export PKG_CONFIG_PATH
 651         fi
 652 )
 653
 654 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 655 AC_CONFIG_SUBDIRS(eglib)
 656
 657 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 658 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 659 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 660 BUILD_GLIB_LIBS="$GLIB_LIBS"
 661 GMODULE_CFLAGS="$GLIB_CFLAGS"
 662 GMODULE_LIBS="$GLIB_LIBS"
 663
 664 AC_SUBST(GLIB_CFLAGS)
 665 AC_SUBST(GLIB_LIBS)
 666 AC_SUBST(GMODULE_CFLAGS)
 667 AC_SUBST(GMODULE_LIBS)
 668 AC_SUBST(BUILD_GLIB_CFLAGS)
 669 AC_SUBST(BUILD_GLIB_LIBS)
 670
 671 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 672
 673 # Enable support for fast thread-local storage
 674 # Some systems have broken support, so we allow to disable it.
 675 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 676
 677 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 678 # This does not work on some platforms (bug #55253)
 679 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 680
 681 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 682 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 683 # Same as --with-shared_mono=no
 684 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 685
 686 if test "x$enable_static" = "xno"; then
 687    with_static_mono=no
 688 fi
 689
 690 if test "x$enable_shared" = "xno"; then
 691    with_shared_mono=no
 692 fi
 693
 694 if test "x$enable_libraries" = "xno"; then
 695    with_shared_mono=no
 696 fi
 697
 698 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 699
 700 case $host in
 701 *nacl* ) with_shared_mono=yes;;
 702 esac
 703
 704 if test "x$host_win32" = "xyes"; then
 705    # Boehm GC requires the runtime to be in its own dll
 706    with_static_mono=no
 707 fi
 708
 709 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 710 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 711 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 712
 713 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 714 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 715         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 716         ORIG_CFLAGS=$CFLAGS
 717         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 718         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 719         AC_TRY_COMPILE([], [
 720                 return 0;
 721         ], [
 722            AC_MSG_RESULT(yes)
 723            # Pass it to libgc as well
 724            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 725         ], [
 726            AC_MSG_RESULT(no)
 727            CFLAGS=$ORIG_CFLAGS
 728         ])
 729 fi
 730
 731 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 732
 733 if test x$enable_small_config = xyes; then
 734         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 735         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 736 fi
 737
 738 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 739
 740 DISABLED_FEATURES=none
 741
 742 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 743      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 744      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping, shared_perfcounters.],
 745 [
 746         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 747                 eval "mono_feature_disable_$feature='yes'"
 748         done
 749         DISABLED_FEATURES=$enable_minimal
 750         disabled="Disabled:      $enable_minimal"
 751 ],[])
 752
 753 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 754
 755 if test "x$mono_feature_disable_aot" = "xyes"; then
 756         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 757         AC_MSG_NOTICE([Disabled AOT compiler])
 758 fi
 759
 760 if test "x$mono_feature_disable_profiler" = "xyes"; then
 761         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 762         AC_MSG_NOTICE([Disabled support for the profiler])
 763 fi
 764 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 765
 766 if test "x$mono_feature_disable_decimal" = "xyes"; then
 767         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 768         AC_MSG_NOTICE([Disabled support for decimal])
 769 fi
 770
 771 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 772         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 773         AC_MSG_NOTICE([Disabled support for P/Invoke])
 774 fi
 775
 776 if test "x$mono_feature_disable_debug" = "xyes"; then
 777         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 778         AC_MSG_NOTICE([Disabled support for runtime debugging])
 779 fi
 780
 781 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 782         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 783         mono_feature_disable_reflection_emit_save=yes
 784         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 785 fi
 786
 787 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 788         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 789         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 790 fi
 791
 792 if test "x$mono_feature_disable_large_code" = "xyes"; then
 793         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 794         AC_MSG_NOTICE([Disabled support for large assemblies])
 795 fi
 796
 797 if test "x$mono_feature_disable_logging" = "xyes"; then
 798         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 799         AC_MSG_NOTICE([Disabled support for logging])
 800 fi
 801
 802 if test "x$mono_feature_disable_com" = "xyes"; then
 803         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 804         AC_MSG_NOTICE([Disabled COM support])
 805 fi
 806
 807 if test "x$mono_feature_disable_ssa" = "xyes"; then
 808         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 809         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 810 fi
 811
 812 if test "x$mono_feature_disable_generics" = "xyes"; then
 813         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 814         AC_MSG_NOTICE([Disabled Generics Support])
 815 fi
 816
 817 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 818         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 819         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 820 fi
 821
 822 if test "x$mono_feature_disable_portability" = "xyes"; then
 823         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 824         AC_MSG_NOTICE([Disabled IO Portability layer])
 825 fi
 826
 827 if test "x$mono_feature_disable_attach" = "xyes"; then
 828         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 829         AC_MSG_NOTICE([Disabled agent attach])
 830 fi
 831
 832 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 833         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 834         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 835 fi
 836
 837 if test "x$mono_feature_disable_verifier" = "xyes"; then
 838         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 839         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 840 fi
 841
 842 if test "x$mono_feature_disable_jit" = "xyes"; then
 843         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 844         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 845 fi
 846
 847 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 848
 849 if test "x$mono_feature_disable_simd" = "xyes"; then
 850         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 851         AC_MSG_NOTICE([Disabled SIMD support])
 852 fi
 853
 854 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 855         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 856         AC_MSG_NOTICE([Disabled Soft Debugger.])
 857 fi
 858
 859 if test "x$mono_feature_disable_normalization" = "xyes"; then
 860         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 861         AC_MSG_NOTICE([Disabled String normalization support.])
 862 fi
 863
 864 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 865         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 866         AC_MSG_NOTICE([Disabled Assembly remapping.])
 867 fi
 868
 869 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 870         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 871         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 872 fi
 873
 874 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 875 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 876
 877 AC_MSG_CHECKING(for visibility __attribute__)
 878 AC_COMPILE_IFELSE([
 879         AC_LANG_SOURCE([[
 880                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 881                 int main () { doit (); return 0; }
 882         ]])
 883 ], [
 884    have_visibility_hidden=yes
 885    AC_MSG_RESULT(yes)
 886 ], [
 887    have_visibility_hidden=no
 888    AC_MSG_RESULT(no)
 889 ])
 890
 891 AC_MSG_CHECKING(for deprecated __attribute__)
 892 AC_TRY_COMPILE([
 893      int doit (void) __attribute__ ((deprecated));
 894      int doit (void) { return 0; }
 895 ], [
 896         return 0;
 897 ], [
 898    have_deprecated=yes
 899    AC_MSG_RESULT(yes)
 900 ], [
 901    have_deprecated=no
 902    AC_MSG_RESULT(no)
 903 ])
 904
 905 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 906 if test x$enable_parallel_mark = xyes; then
 907         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 908 fi
 909
 910 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 911 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 912
 913 dnl
 914 dnl Boehm GC configuration
 915 dnl
 916 LIBGC_CPPFLAGS=
 917 LIBGC_LIBS=
 918 LIBGC_STATIC_LIBS=
 919 libgc_dir=
 920 case "x$gc" in
 921         xboehm|xbohem|xyes)
 922                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 923                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 924
 925                 if test "x$found_boehm" != "xyes"; then
 926                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 927                 fi
 928                 if test "x$gc_headers" != "xyes"; then
 929                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 930                 fi
 931
 932                 LIBGC_LIBS="-lgc $libdl"
 933                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 934                 libmono_ldflags="$libmono_ldflags -lgc"
 935                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 936
 937                 # AC_CHECK_FUNCS does not work for some reason...
 938                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 939                 if test "x$found_gcj_malloc" = "xyes"; then
 940                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 941                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 942                         gc_msg="System Boehm with typed GC"
 943                 else
 944                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 945                         gc_msg="System Boehm (without typed GC)"
 946                 fi
 947                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 948                 if test "x$found_gc_enable" = "xyes"; then
 949                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 950                 fi
 951
 952                 # check whether we need to explicitly allow
 953                 # thread registering
 954                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 955                 if test "x$found_allow_register_threads" = "xyes"; then
 956                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 957                 fi
 958
 959                 ;;
 960
 961         xincluded)
 962                 use_included_gc=yes
 963                 libgc_dir=libgc
 964
 965                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 966                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 967                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 968
 969                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
 970
 971                 gc_msg="bundled Boehm GC with typed GC"
 972                 if test x$enable_parallel_mark = xyes; then
 973                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 974                         gc_msg="$gc_msg and parallel mark"
 975                 else
 976                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 977                 fi
 978                 ;;
 979
 980         xsgen)
 981                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
 982                 ;;
 983
 984         xnone)
 985                 AC_MSG_WARN("Compiling mono without GC.")
 986                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
 987                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 988                 ;;
 989         *)
 990                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 991                 ;;
 992 esac
 993
 994 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
 995 if test "x$large_heap" = "xyes"; then
 996    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
 997 fi
 998
 999 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1000 AC_SUBST(LIBGC_CPPFLAGS)
1001 AC_SUBST(LIBGC_LIBS)
1002 AC_SUBST(LIBGC_STATIC_LIBS)
1003 AC_SUBST(libgc_dir)
1004 AC_SUBST(BOEHM_DEFINES)
1005
1006 dnl
1007 dnl End of libgc checks
1008 dnl
1009
1010 dnl *************************************
1011 dnl *** Checks for zero length arrays ***
1012 dnl *************************************
1013 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1014 AC_TRY_COMPILE([
1015         struct s {
1016                 int  length;
1017                 char data [0];
1018         };
1019 ], [], [
1020         AC_MSG_RESULT(yes)
1021         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1022 ], [
1023         AC_MSG_RESULT(no)
1024         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1025 ])
1026
1027 if test x$target_win32 = xno; then
1028
1029         dnl hires monotonic clock support
1030         AC_SEARCH_LIBS(clock_gettime, rt)
1031
1032         dnl dynamic loader support
1033         AC_CHECK_FUNC(dlopen, DL_LIB="",
1034                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1035         )
1036         if test x$dl_support = xno; then
1037                 AC_MSG_WARN([No dynamic loading support available])
1038         else
1039                 LIBS="$LIBS $DL_LIB"
1040                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1041                 dnl from glib's configure.in
1042                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1043                         mono_cv_uscore,[
1044                         AC_TRY_RUN([#include <dlfcn.h>
1045                         int mono_underscore_test (void) { return 42; }
1046                         int main() {
1047                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1048                           handle = dlopen ((void*)0, 0);
1049                           if (handle) {
1050                             f1 = dlsym (handle, "mono_underscore_test");
1051                             f2 = dlsym (handle, "_mono_underscore_test");
1052                           } return (!f2 || f1);
1053                         }],
1054                                 [mono_cv_uscore=yes],
1055                                 [mono_cv_uscore=no],
1056                         [])
1057                 ])
1058                 if test "x$mono_cv_uscore" = "xyes"; then
1059                         MONO_DL_NEED_USCORE=1
1060                 else
1061                         MONO_DL_NEED_USCORE=0
1062                 fi
1063                 AC_SUBST(MONO_DL_NEED_USCORE)
1064                 AC_CHECK_FUNC(dlerror)
1065         fi
1066
1067         dnl ******************************************************************
1068         dnl *** Checks for the IKVM JNI interface library                  ***
1069         dnl ******************************************************************
1070         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1071
1072         ikvm_native_dir=
1073         if test x$with_ikvm_native = xyes; then
1074                 ikvm_native_dir=ikvm-native
1075                 jdk_headers_found="IKVM Native"
1076         fi
1077
1078         AC_SUBST(ikvm_native_dir)
1079
1080         AC_CHECK_HEADERS(execinfo.h)
1081
1082         AC_CHECK_FUNCS(getgrgid_r)
1083         AC_CHECK_FUNCS(getgrnam_r)
1084         AC_CHECK_FUNCS(getpwnam_r)
1085         AC_CHECK_FUNCS(getpwuid_r)
1086         AC_CHECK_FUNCS(getresuid)
1087         AC_CHECK_FUNCS(setresuid)
1088         AC_CHECK_FUNCS(kqueue)
1089         AC_CHECK_FUNCS(backtrace_symbols)
1090         AC_CHECK_FUNCS(mkstemp)
1091         AC_CHECK_FUNCS(mmap)
1092         AC_CHECK_FUNCS(madvise)
1093         AC_CHECK_FUNCS(getrusage)
1094         AC_CHECK_FUNCS(getpriority)
1095         AC_CHECK_FUNCS(setpriority)
1096         AC_CHECK_FUNCS(dl_iterate_phdr)
1097         AC_CHECK_FUNCS(dladdr)
1098         AC_CHECK_FUNCS(sysconf)
1099
1100         AC_CHECK_FUNCS(sched_setaffinity)
1101         AC_CHECK_FUNCS(sched_getcpu)
1102
1103         dnl ****************************************************************
1104         dnl *** Check for sched_setaffinity from glibc versions before   ***
1105         dnl *** 2.3.4. The older versions of the function only take 2    ***
1106         dnl *** parameters, not 3.                                       ***
1107         dnl ***                                                          ***
1108         dnl *** Because the interface change was not made in a minor     ***
1109         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1110         dnl *** won't always indicate the interface sched_affinity has.  ***
1111         dnl ****************************************************************
1112         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1113         AC_TRY_COMPILE([#include <sched.h>], [
1114             int mask = 1;
1115             sched_setaffinity(0, &mask);
1116                         return 0;
1117         ], [
1118                 # Yes, we have it...
1119                 AC_MSG_RESULT(yes)
1120                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1121         ], [
1122                 # We have the new, three-parameter version
1123                 AC_MSG_RESULT(no)
1124         ])
1125
1126
1127         dnl ******************************************************************
1128         dnl *** Check for large file support                               ***
1129         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1130         dnl ******************************************************************
1131
1132         # Check that off_t can represent 2**63 - 1 correctly, working around
1133         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1134         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1135         large_offt=no
1136         AC_DEFUN([LARGE_FILES], [
1137                 large_CPPFLAGS=$CPPFLAGS
1138                 CPPFLAGS="$CPPFLAGS $1"
1139                 AC_TRY_COMPILE([
1140                         #include <sys/types.h>
1141                         #include <limits.h>
1142                 ], [
1143                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1144                         #define COMPILE_TIME_ASSERT(pred) \
1145                                 switch(0){case 0:case pred:;}
1146                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1147                 ], [
1148                         AC_MSG_RESULT(ok)
1149                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1150                         large_CPPFLAGS="$large_CPPFLAGS $1"
1151                         large_offt=yes
1152                 ], [
1153                         AC_MSG_RESULT(no)
1154                 ])
1155                 CPPFLAGS=$large_CPPFLAGS
1156         ])
1157
1158         AC_MSG_CHECKING(if off_t is 64 bits wide)
1159         LARGE_FILES("")
1160         if test $large_offt = no; then
1161                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1162                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1163         fi
1164         if test $large_offt = no; then
1165                 AC_MSG_WARN([No 64 bit file size support available])
1166         fi
1167
1168         dnl *****************************
1169         dnl *** Checks for libsocket  ***
1170         dnl *****************************
1171         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1172
1173         dnl *******************************
1174         dnl *** Checks for MSG_NOSIGNAL ***
1175         dnl *******************************
1176         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1177         AC_TRY_COMPILE([#include <sys/socket.h>], [
1178                 int f = MSG_NOSIGNAL;
1179         ], [
1180                 # Yes, we have it...
1181                 AC_MSG_RESULT(yes)
1182                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1183         ], [
1184                 # We'll have to use signals
1185                 AC_MSG_RESULT(no)
1186         ])
1187
1188         dnl *****************************
1189         dnl *** Checks for SOL_IP     ***
1190         dnl *****************************
1191         AC_MSG_CHECKING(for SOL_IP)
1192         AC_TRY_COMPILE([#include <netdb.h>], [
1193                 int level = SOL_IP;
1194         ], [
1195                 # Yes, we have it...
1196                 AC_MSG_RESULT(yes)
1197                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1198         ], [
1199                 # We'll have to use getprotobyname
1200                 AC_MSG_RESULT(no)
1201         ])
1202
1203         dnl *****************************
1204         dnl *** Checks for SOL_IPV6     ***
1205         dnl *****************************
1206         AC_MSG_CHECKING(for SOL_IPV6)
1207         AC_TRY_COMPILE([#include <netdb.h>], [
1208                 int level = SOL_IPV6;
1209         ], [
1210                 # Yes, we have it...
1211                 AC_MSG_RESULT(yes)
1212                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1213         ], [
1214                 # We'll have to use getprotobyname
1215                 AC_MSG_RESULT(no)
1216         ])
1217
1218         dnl *****************************
1219         dnl *** Checks for SOL_TCP    ***
1220         dnl *****************************
1221         AC_MSG_CHECKING(for SOL_TCP)
1222         AC_TRY_COMPILE([#include <netdb.h>], [
1223                 int level = SOL_TCP;
1224         ], [
1225                 # Yes, we have it...
1226                 AC_MSG_RESULT(yes)
1227                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1228         ], [
1229                 # We'll have to use getprotobyname
1230                 AC_MSG_RESULT(no)
1231         ])
1232
1233         dnl *****************************
1234         dnl *** Checks for IP_PKTINFO ***
1235         dnl *****************************
1236         AC_MSG_CHECKING(for IP_PKTINFO)
1237         AC_TRY_COMPILE([#include <netdb.h>], [
1238                 int level = IP_PKTINFO;
1239         ], [
1240                 # Yes, we have it...
1241                 AC_MSG_RESULT(yes)
1242                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1243         ], [
1244                 AC_MSG_RESULT(no)
1245         ])
1246
1247         dnl *****************************
1248         dnl *** Checks for IPV6_PKTINFO ***
1249         dnl *****************************
1250         AC_MSG_CHECKING(for IPV6_PKTINFO)
1251         AC_TRY_COMPILE([#include <netdb.h>], [
1252                 int level = IPV6_PKTINFO;
1253         ], [
1254                 # Yes, we have it...
1255                 AC_MSG_RESULT(yes)
1256                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1257         ], [
1258                 AC_MSG_RESULT(no)
1259         ])
1260
1261         dnl **********************************
1262         dnl *** Checks for IP_DONTFRAGMENT ***
1263         dnl **********************************
1264         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1265         AC_TRY_COMPILE([#include <netdb.h>], [
1266                 int level = IP_DONTFRAGMENT;
1267         ], [
1268                 # Yes, we have it...
1269                 AC_MSG_RESULT(yes)
1270                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1271         ], [
1272                 AC_MSG_RESULT(no)
1273         ])
1274
1275         dnl **********************************
1276         dnl *** Checks for IP_MTU_DISCOVER ***
1277         dnl **********************************
1278         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1279         AC_TRY_COMPILE([#include <netdb.h>], [
1280                 int level = IP_MTU_DISCOVER;
1281         ], [
1282                 # Yes, we have it...
1283                 AC_MSG_RESULT(yes)
1284                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1285         ], [
1286                 AC_MSG_RESULT(no)
1287         ])
1288
1289         dnl *********************************
1290         dnl *** Check for struct ip_mreqn ***
1291         dnl *********************************
1292         AC_MSG_CHECKING(for struct ip_mreqn)
1293         AC_TRY_COMPILE([#include <netinet/in.h>], [
1294                 struct ip_mreqn mreq;
1295                 mreq.imr_address.s_addr = 0;
1296         ], [
1297                 # Yes, we have it...
1298                 AC_MSG_RESULT(yes)
1299                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1300         ], [
1301                 # We'll just have to try and use struct ip_mreq
1302                 AC_MSG_RESULT(no)
1303                 AC_MSG_CHECKING(for struct ip_mreq)
1304                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1305                         struct ip_mreq mreq;
1306                         mreq.imr_interface.s_addr = 0;
1307                 ], [
1308                         # Yes, we have it...
1309                         AC_MSG_RESULT(yes)
1310                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1311                 ], [
1312                         # No multicast support
1313                         AC_MSG_RESULT(no)
1314                 ])
1315         ])
1316
1317         dnl **********************************
1318         dnl *** Check for gethostbyname2_r ***
1319         dnl **********************************
1320         AC_MSG_CHECKING(for gethostbyname2_r)
1321                 AC_TRY_LINK([#include <netdb.h>], [
1322                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1323         ], [
1324                 # Yes, we have it...
1325                 AC_MSG_RESULT(yes)
1326                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1327         ], [
1328                 AC_MSG_RESULT(no)
1329         ])
1330
1331         dnl *****************************
1332         dnl *** Checks for libnsl     ***
1333         dnl *****************************
1334         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1335
1336         AC_CHECK_FUNCS(inet_pton inet_aton)
1337
1338         dnl ***********************************************
1339         dnl *** Checks for size of sockaddr_un.sun_path ***
1340         dnl ***********************************************
1341         # AC_CHECK_SIZEOF can't cope with struct members :-(
1342         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1343         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1344                 [AC_TRY_RUN([
1345                         #include <sys/types.h>
1346                         #include <stdio.h>
1347                         #include <sys/un.h>
1348
1349                         int main(void) {
1350                                 struct sockaddr_un sock_un;
1351                                 FILE *f=fopen("conftestval", "w");
1352                                 if(!f) exit(1);
1353                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1354                                 exit(0);
1355                         }
1356                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1357                    mono_cv_sizeof_sunpath=0,
1358                    mono_cv_sizeof_sunpath=0)])dnl
1359         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1360         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1361
1362         dnl *****************************
1363         dnl *** Checks for libxnet    ***
1364         dnl *****************************
1365         case "${host}" in
1366                 *solaris* )
1367                         AC_MSG_CHECKING(for Solaris XPG4 support)
1368                         if test -f /usr/lib/libxnet.so; then
1369                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1370                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1371                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1372                                 LIBS="$LIBS -lxnet"
1373                                 AC_MSG_RESULT(yes)
1374                         else
1375                                 AC_MSG_RESULT(no)
1376                         fi
1377
1378                         if test "$GCC" = "yes"; then
1379                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1380                         fi
1381                 ;;
1382         esac
1383
1384         dnl *****************************
1385         dnl *** Checks for libpthread ***
1386         dnl *****************************
1387 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1388 # and libpthread does not exist
1389 #
1390         case "${host}" in
1391                 *-*-*freebsd*)
1392                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1393                 ;;
1394                 *-*-*openbsd*)
1395                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1396                 ;;
1397                 *)
1398                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1399                 ;;
1400         esac
1401         AC_CHECK_HEADERS(pthread.h)
1402         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1403         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1404         AC_CHECK_FUNCS(pthread_kill)
1405         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1406         AC_TRY_COMPILE([ #include <pthread.h>], [
1407                 pthread_mutexattr_t attr;
1408                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1409         ], [
1410                 AC_MSG_RESULT(ok)
1411         ], [
1412                 AC_MSG_RESULT(no)
1413                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1414                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1415         ])
1416         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1417         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1418         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1419
1420         dnl ***********************************
1421         dnl *** Checks for signals
1422         dnl ***********************************
1423         AC_CHECK_HEADERS(signal.h)
1424         AC_CHECK_FUNCS(sigaction)
1425
1426         dnl ***********************************
1427         dnl *** Checks for working __thread ***
1428         dnl ***********************************
1429         AC_MSG_CHECKING(for working __thread)
1430         if test "x$with_tls" != "x__thread"; then
1431                 AC_MSG_RESULT(disabled)
1432         else
1433                 AC_TRY_RUN([
1434                         #include <pthread.h>
1435                         __thread int i;
1436                         static int res1, res2;
1437
1438                         void thread_main (void *arg)
1439                         {
1440                                 i = arg;
1441                                 sleep (1);
1442                                 if (arg == 1)
1443                                         res1 = (i == arg);
1444                                 else
1445                                         res2 = (i == arg);
1446                         }
1447
1448                         int main () {
1449                                 pthread_t t1, t2;
1450
1451                                 i = 5;
1452
1453                                 pthread_create (&t1, NULL, thread_main, 1);
1454                                 pthread_create (&t2, NULL, thread_main, 2);
1455
1456                                 pthread_join (t1, NULL);
1457                                 pthread_join (t2, NULL);
1458
1459                                 return !(res1 + res2 == 2);
1460                         }
1461                 ], [
1462                                 AC_MSG_RESULT(yes)
1463                 ], [
1464                                 AC_MSG_RESULT(no)
1465                                 with_tls=pthread
1466                 ])
1467         fi
1468
1469         dnl **************************************
1470         dnl *** Checks for working sigaltstack ***
1471         dnl **************************************
1472         AC_MSG_CHECKING(for working sigaltstack)
1473         if test "x$with_sigaltstack" != "xyes"; then
1474                 AC_MSG_RESULT(disabled)
1475         else
1476                 AC_TRY_RUN([
1477                         #include <stdio.h>
1478                         #include <stdlib.h>
1479                         #include <unistd.h>
1480                         #include <signal.h>
1481                         #include <pthread.h>
1482                         #include <sys/wait.h>
1483                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1484                         #define SA_STACK SA_ONSTACK
1485                         #endif
1486                         static void
1487                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1488                         {
1489                                 exit (0);
1490                         }
1491
1492                         volatile char*__ptr = NULL;
1493                         static void *
1494                         loop (void *ignored)
1495                         {
1496                                 *__ptr = 0;
1497                                 return NULL;
1498                         }
1499
1500                         static void
1501                         child ()
1502                         {
1503                                 struct sigaction sa;
1504                         #ifdef __APPLE__
1505                                 stack_t sas;
1506                         #else
1507                                 struct sigaltstack sas;
1508                         #endif
1509                                 pthread_t id;
1510                                 pthread_attr_t attr;
1511
1512                                 sa.sa_sigaction = sigsegv_signal_handler;
1513                                 sigemptyset (&sa.sa_mask);
1514                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1515                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1516                                         perror ("sigaction");
1517                                         return;
1518                                 }
1519
1520                                 /* x86 darwin deliver segfaults using SIGBUS */
1521                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1522                                         perror ("sigaction");
1523                                         return;
1524                                 }
1525                                 sas.ss_sp = malloc (SIGSTKSZ);
1526                                 sas.ss_size = SIGSTKSZ;
1527                                 sas.ss_flags = 0;
1528                                 if (sigaltstack (&sas, NULL) == -1) {
1529                                         perror ("sigaltstack");
1530                                         return;
1531                                 }
1532
1533                                 pthread_attr_init (&attr);
1534                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1535                                         printf ("pthread_create\n");
1536                                         return;
1537                                 }
1538
1539                                 sleep (100);
1540                         }
1541
1542                         int
1543                         main ()
1544                         {
1545                                 pid_t son;
1546                                 int status;
1547                                 int i;
1548
1549                                 son = fork ();
1550                                 if (son == -1) {
1551                                         return 1;
1552                                 }
1553
1554                                 if (son == 0) {
1555                                         child ();
1556                                         return 0;
1557                                 }
1558
1559                                 for (i = 0; i < 3; ++i) {
1560                                         sleep (1);
1561                                         waitpid (son, &status, WNOHANG);
1562                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1563                                                 return 0;
1564                                 }
1565
1566                                 kill (son, SIGKILL);
1567                                 return 1;
1568                         }
1569
1570                 ], [
1571                                 AC_MSG_RESULT(yes)
1572                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1573                 ], [
1574                                 with_sigaltstack=no
1575                                 AC_MSG_RESULT(no)
1576                 ])
1577         fi
1578
1579         dnl ********************************
1580         dnl *** Checks for semaphore lib ***
1581         dnl ********************************
1582         # 'Real Time' functions on Solaris
1583         # posix4 on Solaris 2.6
1584         # pthread (first!) on Linux
1585         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1586
1587         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1588         AC_CHECK_FUNCS(shm_open)
1589
1590         dnl ********************************
1591         dnl *** Checks for timezone stuff **
1592         dnl ********************************
1593         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1594                 AC_TRY_COMPILE([
1595                         #include <time.h>
1596                         ], [
1597                         struct tm tm;
1598                         tm.tm_gmtoff = 1;
1599                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1600         if test $ac_cv_struct_tm_gmtoff = yes; then
1601                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1602         else
1603                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1604                         AC_TRY_COMPILE([
1605                                 #include <time.h>
1606                         ], [
1607                                 timezone = 1;
1608                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1609                 if test $ac_cv_var_timezone = yes; then
1610                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1611                 else
1612                         AC_ERROR(unable to find a way to determine timezone)
1613                 fi
1614         fi
1615
1616         dnl *********************************
1617         dnl *** Checks for math functions ***
1618         dnl *********************************
1619         AC_SEARCH_LIBS(sqrtf, m)
1620         if test "x$has_broken_apple_cpp" != "xyes"; then
1621                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1622                         AC_TRY_LINK([#include <math.h>],
1623                         [ finite(0.0); ],
1624                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1625                         AC_MSG_RESULT(no)))
1626         fi
1627         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1628                 AC_TRY_LINK([#include <math.h>],
1629                 [ isfinite(0.0); ],
1630                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1631                 AC_MSG_RESULT(no)))
1632
1633         dnl ****************************************************************
1634         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1635         dnl *** have it in the library (duh))                            ***
1636         dnl ****************************************************************
1637         AC_CHECK_FUNCS(poll)
1638
1639         dnl *************************
1640         dnl *** Check for signbit ***
1641         dnl *************************
1642         AC_MSG_CHECKING(for signbit)
1643         AC_TRY_LINK([#include <math.h>], [
1644                 int s = signbit(1.0);
1645         ], [
1646                 AC_MSG_RESULT(yes)
1647                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1648         ], [
1649                 AC_MSG_RESULT(no)
1650         ])
1651
1652         dnl **********************************
1653         dnl *** epoll                      ***
1654         dnl **********************************
1655         AC_CHECK_HEADERS(sys/epoll.h)
1656         haveepoll=no
1657         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1658         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1659                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1660         fi
1661
1662         havekqueue=no
1663         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1664                 AC_TRY_LINK([#include <sys/event.h>],
1665                 [ kqueue(); ],[havekqueue=yes],[]))
1666         AC_MSG_RESULT($havekqueue);
1667
1668         dnl **************************************
1669         dnl * Darwin has a race that prevents us from using reliably:
1670         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1671         dnl * Since kqueue is mostly used for scaling large web servers,
1672         dnl * and very few folks run Mono on large web servers on OSX, falling
1673         dnl * back
1674         dnl **************************************
1675         if test x$havekqueue = xyes; then
1676                 if x$platform_darwin = xno; then
1677                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1678                 fi
1679         fi
1680
1681         dnl ******************************
1682         dnl *** Checks for SIOCGIFCONF ***
1683         dnl ******************************
1684         AC_CHECK_HEADERS(sys/ioctl.h)
1685         AC_CHECK_HEADERS(net/if.h, [], [],
1686            [
1687            #ifdef HAVE_SYS_TYPES_H
1688            # include <sys/types.h>
1689            #endif
1690            #ifdef HAVE_SYS_SOCKET_H
1691            # include <sys/socket.h>
1692            #endif
1693            ])
1694         AC_MSG_CHECKING(for ifreq)
1695         AC_TRY_COMPILE([
1696                 #include <stdio.h>
1697                 #include <sys/ioctl.h>
1698                 #include <net/if.h>
1699                 ], [
1700                 struct ifconf ifc;
1701                 struct ifreq *ifr;
1702                 void *x;
1703                 ifc.ifc_len = 0;
1704                 ifc.ifc_buf = NULL;
1705                 x = (void *) &ifr->ifr_addr;
1706                 ],[
1707                         AC_MSG_RESULT(yes)
1708                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1709                 ], [
1710                         AC_MSG_RESULT(no)
1711                 ])
1712         dnl **********************************
1713         dnl ***     Checks for sin_len     ***
1714         dnl **********************************
1715         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1716         AC_TRY_COMPILE([
1717                 #include <netinet/in.h>
1718                 ], [
1719                 struct sockaddr_in saddr;
1720                 saddr.sin_len = sizeof (saddr);
1721                 ],[
1722                         AC_MSG_RESULT(yes)
1723                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1724                 ], [
1725                         AC_MSG_RESULT(no)
1726                 ])
1727         dnl **********************************
1728         dnl ***    Checks for sin6_len     ***
1729         dnl **********************************
1730         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1731         AC_TRY_COMPILE([
1732                 #include <netinet/in.h>
1733                 ], [
1734                 struct sockaddr_in6 saddr6;
1735                 saddr6.sin6_len = sizeof (saddr6);
1736                 ],[
1737                         AC_MSG_RESULT(yes)
1738                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1739                 ], [
1740                         AC_MSG_RESULT(no)
1741                 ])
1742         dnl **********************************
1743         dnl *** Check for getifaddrs       ***
1744         dnl **********************************
1745         AC_MSG_CHECKING(for getifaddrs)
1746                 AC_TRY_LINK([
1747                 #include <stdio.h>
1748                 #include <sys/types.h>
1749                 #include <sys/socket.h>
1750                 #include <ifaddrs.h>
1751         ], [
1752                 getifaddrs(NULL);
1753         ], [
1754                 # Yes, we have it...
1755                 AC_MSG_RESULT(yes)
1756                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1757         ], [
1758                 AC_MSG_RESULT(no)
1759         ])
1760         dnl **********************************
1761         dnl *** Check for if_nametoindex   ***
1762         dnl **********************************
1763         AC_MSG_CHECKING(for if_nametoindex)
1764                 AC_TRY_LINK([
1765                 #include <stdio.h>
1766                 #include <sys/types.h>
1767                 #include <sys/socket.h>
1768                 #include <net/if.h>
1769         ], [
1770                 if_nametoindex(NULL);
1771         ], [
1772                 # Yes, we have it...
1773                 AC_MSG_RESULT(yes)
1774                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1775         ], [
1776                 AC_MSG_RESULT(no)
1777         ])
1778
1779         dnl **********************************
1780         dnl *** Checks for MonoPosixHelper ***
1781         dnl **********************************
1782         AC_CHECK_HEADERS(checklist.h)
1783         AC_CHECK_HEADERS(pathconf.h)
1784         AC_CHECK_HEADERS(fstab.h)
1785         AC_CHECK_HEADERS(attr/xattr.h)
1786         AC_CHECK_HEADERS(sys/extattr.h)
1787         AC_CHECK_HEADERS(sys/sendfile.h)
1788         AC_CHECK_HEADERS(sys/statvfs.h)
1789         AC_CHECK_HEADERS(sys/statfs.h)
1790         AC_CHECK_HEADERS(sys/vfstab.h)
1791         AC_CHECK_HEADERS(sys/xattr.h)
1792         AC_CHECK_HEADERS(sys/mman.h)
1793         AC_CHECK_HEADERS(sys/param.h)
1794         AC_CHECK_HEADERS(sys/mount.h, [], [],
1795                 [
1796                 #ifdef HAVE_SYS_PARAM_H
1797                 # include <sys/param.h>
1798                 #endif
1799                 ])
1800         AC_CHECK_HEADERS(sys/mount.h)
1801         AC_CHECK_FUNCS(confstr)
1802         AC_CHECK_FUNCS(seekdir telldir)
1803         AC_CHECK_FUNCS(getdomainname)
1804         AC_CHECK_FUNCS(setdomainname)
1805         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1806         AC_CHECK_FUNCS(setgroups)
1807         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1808         AC_CHECK_FUNCS(getfsstat)
1809         AC_CHECK_FUNCS(lutimes futimes)
1810         AC_CHECK_FUNCS(mremap)
1811         AC_CHECK_FUNCS(remap_file_pages)
1812         AC_CHECK_FUNCS(posix_fadvise)
1813         AC_CHECK_FUNCS(posix_fallocate)
1814         AC_CHECK_FUNCS(posix_madvise)
1815         AC_CHECK_FUNCS(vsnprintf)
1816         AC_CHECK_FUNCS(sendfile)
1817         AC_CHECK_FUNCS(gethostid sethostid)
1818         AC_CHECK_FUNCS(sethostname)
1819         AC_CHECK_FUNCS(statfs)
1820         AC_CHECK_FUNCS(fstatfs)
1821         AC_CHECK_FUNCS(statvfs)
1822         AC_CHECK_FUNCS(fstatvfs)
1823         AC_CHECK_FUNCS(stime)
1824         AC_CHECK_FUNCS(strerror_r)
1825         AC_CHECK_FUNCS(ttyname_r)
1826         AC_CHECK_FUNCS(psignal)
1827         AC_CHECK_FUNCS(getlogin_r)
1828         AC_CHECK_FUNCS(lockf)
1829         AC_CHECK_FUNCS(swab)
1830         AC_CHECK_FUNCS(setusershell endusershell)
1831         AC_CHECK_SIZEOF(size_t)
1832         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1833                 [#include <sys/types.h>
1834                  #include <sys/stat.h>
1835                  #include <unistd.h>])
1836         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1837                 [#include <sys/types.h>
1838                  #include <sys/stat.h>
1839                  #include <unistd.h>])
1840         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1841                 [#include <sys/time.h>])
1842         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1843                 [#include <unistd.h>
1844                  #include <fcntl.h>])
1845         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1846                 [#include <sys/poll.h>])
1847         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1848                 [#include <sys/types.h>
1849                  #include <sys/stat.h>
1850                  #include <unistd.h>])
1851         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1852                 [#include <time.h>])
1853         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1854                 [#include <sys/time.h>
1855                  #include <sys/types.h>
1856                  #include <utime.h>])
1857         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1858                 [#include <sys/time.h>])
1859         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1860                 [#include <sys/types.h>
1861                  #include <utime.h>])
1862         AC_CHECK_MEMBERS(
1863                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1864                 [#include <sys/types.h>
1865                  #include <dirent.h>])
1866         AC_CHECK_MEMBERS(
1867                 [struct passwd.pw_gecos],,,
1868                 [#include <sys/types.h>
1869                  #include <pwd.h>])
1870         AC_CHECK_MEMBERS(
1871                 [struct statfs.f_flags],,,
1872                 [#include <sys/types.h>
1873                  #include <sys/vfs.h>])
1874
1875         dnl Favour xattr through glibc, but use libattr if we have to
1876         AC_CHECK_FUNC(lsetxattr, ,
1877                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1878         )
1879         AC_SUBST(XATTR_LIB)
1880
1881         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1882         AC_CHECK_MEMBERS(
1883                 [struct kinfo_proc.kp_proc],,,
1884                 [#include <sys/types.h>
1885                  #include <sys/param.h>
1886                  #include <sys/sysctl.h>
1887                  #include <sys/proc.h>
1888                  ])
1889
1890         dnl *********************************
1891         dnl *** Checks for Windows compilation ***
1892         dnl *********************************
1893         AC_CHECK_HEADERS(sys/time.h)
1894         AC_CHECK_HEADERS(sys/param.h)
1895         AC_CHECK_HEADERS(dirent.h)
1896
1897         dnl *********************************
1898         dnl *** Check for Console 2.0 I/O ***
1899         dnl *********************************
1900         AC_CHECK_HEADERS([curses.h])
1901         AC_CHECK_HEADERS([term.h], [], [],
1902         [#if HAVE_CURSES_H
1903          #include <curses.h>
1904          #endif
1905         ])
1906         AC_CHECK_HEADERS([termios.h])
1907
1908         dnl * This is provided in io-layer, but on windows it's only available
1909         dnl * on xp+
1910         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1911 else
1912         dnl *********************************
1913         dnl *** Checks for Windows compilation ***
1914         dnl *********************************
1915         AC_CHECK_HEADERS(winternl.h)
1916
1917         jdk_headers_found=no
1918         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1919         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1920         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1921         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1922         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1923         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1924         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1925
1926         dnl *********************************
1927         dnl *** Check for struct ip_mreqn ***
1928         dnl *********************************
1929         AC_MSG_CHECKING(for struct ip_mreqn)
1930         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1931                 struct ip_mreqn mreq;
1932                 mreq.imr_address.s_addr = 0;
1933         ], [
1934                 # Yes, we have it...
1935                 AC_MSG_RESULT(yes)
1936                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1937         ], [
1938                 # We'll just have to try and use struct ip_mreq
1939                 AC_MSG_RESULT(no)
1940                 AC_MSG_CHECKING(for struct ip_mreq)
1941                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1942                         struct ip_mreq mreq;
1943                         mreq.imr_interface.s_addr = 0;
1944                 ], [
1945                         # Yes, we have it...
1946                         AC_MSG_RESULT(yes)
1947                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1948                 ], [
1949                         # No multicast support
1950                         AC_MSG_RESULT(no)
1951                 ])
1952         ])
1953         AC_CHECK_FUNCS(GetProcessId)
1954 fi
1955
1956 dnl socklen_t check
1957 AC_MSG_CHECKING(for socklen_t)
1958 AC_TRY_COMPILE([
1959 #include <sys/types.h>
1960 #include <sys/socket.h>
1961 ],[
1962   socklen_t foo;
1963 ],[
1964 ac_cv_c_socklen_t=yes
1965         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1966         AC_MSG_RESULT(yes)
1967 ],[
1968         AC_MSG_RESULT(no)
1969 ])
1970
1971 AC_MSG_CHECKING(for array element initializer support)
1972 AC_TRY_COMPILE([#include <sys/socket.h>], [
1973         const int array[] = {[1] = 2,};
1974 ], [
1975         # Yes, we have it...
1976         AC_MSG_RESULT(yes)
1977         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1978 ], [
1979         # We'll have to use signals
1980         AC_MSG_RESULT(no)
1981 ])
1982
1983 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1984         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1985         AC_TRY_LINK([#include <math.h>],
1986         [ static void *p = &trunc; ],
1987         [
1988                 AC_DEFINE(HAVE_TRUNC)
1989                 AC_MSG_RESULT(yes)
1990                 ac_cv_trunc=yes
1991         ],
1992         AC_MSG_RESULT(no)))
1993
1994 if test "x$ac_cv_truncl" != "xyes"; then
1995    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1996 fi
1997
1998 AC_CHECK_FUNCS(round)
1999 AC_CHECK_FUNCS(rint)
2000 AC_CHECK_FUNCS(execvp)
2001
2002 dnl ****************************
2003 dnl *** Look for /dev/random ***
2004 dnl ****************************
2005
2006 AC_MSG_CHECKING([if usage of random device is requested])
2007 AC_ARG_ENABLE(dev-random,
2008 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2009 try_dev_random=$enableval, try_dev_random=yes)
2010
2011 AC_MSG_RESULT($try_dev_random)
2012
2013 case "{$build}" in
2014     *-openbsd*)
2015     NAME_DEV_RANDOM="/dev/srandom"
2016     ;;
2017
2018 dnl Win32 does not have /dev/random, they have their own method...
2019
2020     *-mingw*|*-*-cygwin*)
2021     ac_cv_have_dev_random=no
2022     ;;
2023
2024 dnl Everywhere else, it's /dev/random
2025
2026     *)
2027     NAME_DEV_RANDOM="/dev/random"
2028     ;;
2029 esac
2030
2031 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2032
2033 dnl Now check if the device actually exists
2034
2035 if test "x$try_dev_random" = "xyes"; then
2036     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2037     [if test -r "$NAME_DEV_RANDOM" ; then
2038         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2039     if test "x$ac_cv_have_dev_random" = "xyes"; then
2040         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2041     fi
2042 else
2043     AC_MSG_CHECKING(for random device)
2044     ac_cv_have_dev_random=no
2045     AC_MSG_RESULT(has been disabled)
2046 fi
2047
2048 if test "x$host_win32" = "xyes"; then
2049     AC_DEFINE(HAVE_CRYPT_RNG)
2050 fi
2051
2052 if test "x$ac_cv_have_dev_random" = "xno" \
2053     && test "x$host_win32" = "xno"; then
2054     AC_MSG_WARN([[
2055 ***
2056 *** A system-provided entropy source was not found on this system.
2057 *** Because of this, the System.Security.Cryptography random number generator
2058 *** will throw a NotImplemented exception.
2059 ***
2060 *** If you are seeing this message, and you know your system DOES have an
2061 *** entropy collection in place, please contact <crichton@gimp.org> and
2062 *** provide information about the system and how to access the random device.
2063 ***
2064 *** Otherwise you can install either egd or prngd and set the environment
2065 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2066 ***]])
2067 fi
2068
2069 AC_MSG_CHECKING([if inter-process shared handles are requested])
2070 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2071 AC_MSG_RESULT($try_shared_handles)
2072 if test "x$try_shared_handles" != "xyes"; then
2073         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2074         AC_SUBST(DISABLE_SHARED_HANDLES)
2075 fi
2076
2077 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2078
2079 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2080 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2081
2082 AC_MSG_CHECKING([if big-arrays are to be enabled])
2083 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2084 if test "x$enable_big_arrays" = "xyes" ; then
2085     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2086         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2087     else
2088         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2089     fi
2090 fi
2091 AC_MSG_RESULT($enable_big_arrays)
2092
2093 dnl **************
2094 dnl *** DTRACE ***
2095 dnl **************
2096
2097 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2098
2099 if test "x$enable_dtrace" = "xyes"; then
2100    if test "x$has_dtrace" = "xno"; then
2101           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2102    fi
2103    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2104    if test "x$DTRACE" = "xno"; then
2105           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2106           enable_dtrace=no
2107    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2108           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2109           enable_dtrace=no
2110    fi
2111 fi
2112
2113 dtrace_g=no
2114 if test "x$enable_dtrace" = "xyes"; then
2115         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2116         DTRACEFLAGS=
2117         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2118                 case "$host" in
2119                         powerpc-*-darwin*)
2120                         DTRACEFLAGS="-arch ppc64"
2121                         ;;
2122                         i*86-*-darwin*)
2123                         DTRACEFLAGS="-arch x86_64"
2124                         ;;
2125                         *)
2126                         DTRACEFLAGS=-64
2127                         ;;
2128                 esac
2129         else
2130                 case "$host" in
2131                         powerpc-*-darwin*)
2132                         DTRACEFLAGS="-arch ppc"
2133                         ;;
2134                         i*86-*-darwin*)
2135                         DTRACEFLAGS="-arch i386"
2136                         ;;
2137                         *)
2138                         DTRACEFLAGS=-32
2139                         ;;
2140                 esac
2141         fi
2142         AC_SUBST(DTRACEFLAGS)
2143         case "$host" in
2144                 *-*-solaris*)
2145                 dtrace_g=yes
2146                 ;;
2147         esac
2148         AC_CHECK_HEADERS([sys/sdt.h])
2149 fi
2150 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2151 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2152
2153 dnl **************
2154 dnl ***  NaCl  ***
2155 dnl **************
2156
2157 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2158 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2159
2160 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2161 if test "x$enable_nacl_codegen" = "xyes"; then
2162    MONO_NACL_ALIGN_MASK_OFF=1
2163    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2164    AC_DEFINE(TARGET_NACL, 1, [...])
2165 else
2166    MONO_NACL_ALIGN_MASK_OFF=0
2167    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2168 fi
2169 if test "x$enable_nacl_gc" = "xyes"; then
2170    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2171 fi
2172 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2173
2174 dnl **************
2175 dnl ***  LLVM  ***
2176 dnl **************
2177
2178 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2179 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2180
2181 if test "x$enable_llvm" = "xyes"; then
2182    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2183    if test "x$LLVM_CONFIG" = "xno"; then
2184           AC_MSG_ERROR([llvm-config not found.])
2185    fi
2186
2187    # The output of --cflags seems to include optimizations flags too
2188    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2189    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2190    # from LLVM classes.
2191    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2192    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2193    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
2194    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2195
2196    # Should be something like '2.6' or '2.7svn'
2197    llvm_version=`$LLVM_CONFIG --version`
2198    major_version=`echo $llvm_version | cut -c 1`
2199    minor_version=`echo $llvm_version | cut -c 3`
2200    AC_MSG_CHECKING(LLVM version)
2201    AC_MSG_RESULT($llvm_version)
2202    if echo $llvm_version | grep -q 'mono'; then
2203           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2204           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2205    else
2206           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2207    fi
2208
2209    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2210    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2211    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2212
2213    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2214    # llvm's config.h
2215    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2216
2217    AC_SUBST(LLVM_CFLAGS)
2218    AC_SUBST(LLVM_CXXFLAGS)
2219    AC_SUBST(LLVM_LIBS)
2220    AC_SUBST(LLVM_LDFLAGS)
2221    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2222 fi
2223
2224 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2225 if test "x$enable_loadedllvm" = "xyes"; then
2226    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2227 fi
2228 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2229
2230 TARGET="unknown"
2231 ACCESS_UNALIGNED="yes"
2232
2233 JIT_SUPPORTED=no
2234 INTERP_SUPPORTED=no
2235 LIBC="libc.so.6"
2236 INTL="libc.so.6"
2237 SQLITE="libsqlite.so.0"
2238 SQLITE3="libsqlite3.so.0"
2239 X11="libX11.so"
2240
2241 sizeof_register="SIZEOF_VOID_P"
2242
2243 jit_wanted=true
2244 interp_wanted=false
2245 sgen_supported=false
2246 case "$host" in
2247 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2248 #               TARGET=MIPS;
2249 #               ACCESS_UNALIGNED="no"
2250 #               ;;
2251         mips*)
2252                 TARGET=MIPS;
2253                 arch_target=mips;
2254                 sgen_supported=true
2255                 ACCESS_UNALIGNED="no"
2256                 JIT_SUPPORTED=yes
2257
2258                 AC_MSG_CHECKING(for mips n32)
2259                 AC_TRY_COMPILE([],[
2260                 #if _MIPS_SIM != _ABIN32
2261                 #error Not mips n32
2262                 #endif
2263                 return 0;
2264                 ],[
2265                 AC_MSG_RESULT(yes)
2266                 sizeof_register=8
2267                 ],[
2268                 AC_MSG_RESULT(no)
2269                 ])
2270                 ;;
2271         i*86-*-*)
2272                 TARGET=X86;
2273                 arch_target=x86;
2274                 JIT_SUPPORTED=yes
2275                 case $host_os in
2276                   solaris*)
2277                         LIBC="libc.so"
2278                         INTL="libintl.so"
2279                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2280                                 TARGET=AMD64
2281                                 arch_target=amd64
2282                         fi
2283
2284                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2285                         # int astruct __attribute__ ((visibility ("hidden")));
2286                         # void foo ()
2287                         # {
2288                         #       void *p = &astruct;
2289                         # }
2290                         # gcc -fPIC --shared -o libfoo.so foo.c
2291                         # yields:
2292                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2293                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2294                         have_visibility_hidden=no
2295                         sgen_supported=true
2296                         ;;
2297                   cygwin*)
2298                         sgen_supported=true
2299                         have_visibility_hidden=no
2300                         ;;
2301                   haiku*)
2302                         LIBC=libroot.so
2303                         ;;
2304                   linux*)
2305                         sgen_supported=true
2306                         AOT_SUPPORTED="yes"
2307                         ;;
2308                   darwin*)
2309                         sgen_supported=true
2310                         AOT_SUPPORTED="yes"
2311                         ;;
2312                   darwin*|openbsd*|freebsd*)
2313                         sgen_supported=true
2314                         ;;
2315                 esac
2316                 ;;
2317         x86_64-*-* | amd64-*-*)
2318                 TARGET=AMD64;
2319                 arch_target=amd64;
2320                 JIT_SUPPORTED=yes
2321                 case $host_os in
2322                   linux*)
2323                         sgen_supported=true
2324                         AOT_SUPPORTED="yes"
2325                         ;;
2326                   darwin*|openbsd*|freebsd*)
2327                         sgen_supported=true
2328                         ;;
2329                 esac
2330                 case "$host" in
2331                         x86_64-*-nacl*)
2332                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2333                                 sizeof_register=8
2334                                 ;;
2335                 esac
2336                 ;;
2337         ia64-*-*)
2338                 TARGET=IA64
2339                 arch_target=ia64
2340                 ACCESS_UNALIGNED="no"
2341                 JIT_SUPPORTED=yes
2342                 LIBC="libc.so.6.1"
2343                 INTL="libc.so.6.1"
2344                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2345                 libmono_ldflags="-lunwind"
2346                 ;;
2347         sparc*-*-*)
2348                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2349                    TARGET=SPARC64
2350                 else
2351                         TARGET=SPARC
2352                 fi
2353                 arch_target=sparc;
2354                 JIT_SUPPORTED=yes
2355                 ACCESS_UNALIGNED="no"
2356                 case $host_os in
2357                   linux*) ;;
2358                   *)
2359                         LIBC="libc.so"
2360                         INTL="libintl.so"
2361                 esac
2362                 if test x"$GCC" = xyes; then
2363                         # We don't support v8 cpus
2364                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2365                 fi
2366                 if test x"$AR" = xfalse; then
2367                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2368                 fi
2369                 sgen_supported=true
2370                 ;;
2371        alpha*-*-linux* | alpha*-*-osf*)
2372                 TARGET=ALPHA;
2373                 ACCESS_UNALIGNED="no"
2374                 JIT_SUPPORTED=yes
2375                 arch_target=alpha;
2376                 CFLAGS="$CFLAGS -mieee -O0"
2377                 case $host_os in
2378                   linux*)
2379                         LIBC="libc.so.6.1"
2380                         INTL="libc.so.6.1"
2381                 esac
2382                ;;
2383         *-mingw*|*-*-cygwin*)
2384                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2385                 have_visibility_hidden=no
2386                 INTL="intl"
2387                 ;;
2388         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2389                 TARGET=HPPA;
2390                 arch_target=hppa;
2391                 LIBC="libc.sl"
2392                 ACCESS_UNALIGNED="no"
2393                 INTERP_SUPPORTED=yes
2394                 interp_wanted=true
2395                 ;;
2396         hppa*linux*)
2397                 TARGET=HPPA;
2398                 arch_target=hppa;
2399                 ACCESS_UNALIGNED="no"
2400                 JIT_SUPPORTED=yes
2401                 ;;
2402         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2403         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2404                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2405                         TARGET=POWERPC64;
2406                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2407                         CFLAGS="$CFLAGS -mminimal-toc"
2408                 else
2409                         TARGET=POWERPC;
2410                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2411                 fi
2412                 arch_target=ppc;
2413                 JIT_SUPPORTED=yes
2414                 case $host_os in
2415                   linux*|darwin*)
2416                         sgen_supported=true
2417                         ;;
2418                 esac
2419                 ;;
2420         arm*-darwin*)
2421                 TARGET=ARM;
2422                 arch_target=arm;
2423                 ACCESS_UNALIGNED="no"
2424                 JIT_SUPPORTED=yes
2425                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2426                 # libgc's gc_locks.h depends on this
2427             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2428                 sgen_supported=true
2429                 ;;
2430         arm*-linux*)
2431                 TARGET=ARM;
2432                 arch_target=arm;
2433                 ACCESS_UNALIGNED="no"
2434                 JIT_SUPPORTED=yes
2435                 sgen_supported=true
2436                 AOT_SUPPORTED="yes"
2437                 ;;
2438         s390-*-linux*)
2439                 TARGET=S390;
2440                 arch_target=s390;
2441                 ACCESS_UNALIGNED="yes"
2442                 JIT_SUPPORTED=yes
2443                 sgen_supported=true
2444                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2445                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2446                 ;;
2447         s390x-*-linux*)
2448                 TARGET=S390x;
2449                 arch_target=s390x;
2450                 ACCESS_UNALIGNED="yes"
2451                 JIT_SUPPORTED=yes
2452                 sgen_supported=true
2453                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2454                 ;;
2455 esac
2456
2457 HOST=$TARGET
2458
2459 if test "x$host" != "x$target"; then
2460    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2461    enable_mcs_build=no
2462    case "$target" in
2463    powerpc64-ps3-linux-gnu)
2464                 TARGET=POWERPC64
2465                 arch_target=powerpc64
2466                 AC_DEFINE(TARGET_PS3, 1, [...])
2467                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2468                 # uses this define
2469                 AC_DEFINE(__mono_ppc64__, 1, [...])
2470                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2471                 sizeof_register=8
2472                 target_byte_order=G_BIG_ENDIAN
2473                 ;;
2474
2475    powerpc64-xbox360-linux-gnu)
2476                 TARGET=POWERPC64
2477                 arch_target=powerpc64
2478                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2479                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2480                 # uses this define
2481                 sizeof_register=8
2482                 target_byte_order=G_BIG_ENDIAN
2483                 ;;
2484    x86_64-*-nacl)
2485                 TARGET=AMD64
2486                 arch_target=amd64
2487                 AC_DEFINE(TARGET_AMD64, 1, [...])
2488                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2489                 sizeof_register=8
2490                 ;;
2491    *-*-nacl)
2492                 TARGET=X86
2493                 arch_target=x86
2494                 AC_DEFINE(TARGET_X86, 1, [...])
2495                 sizeof_register=4
2496                 ;;
2497    arm*-unknown-linux-gnueabi*)
2498                 TARGET=ARM;
2499                 arch_target=arm;
2500                 AC_DEFINE(TARGET_ARM, 1, [...])
2501                 ACCESS_UNALIGNED="no"
2502                 JIT_SUPPORTED=yes
2503                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2504                 jit_wanted=true
2505                 # Can't use tls, since it depends on the runtime detection of tls offsets
2506                 # in mono-compiler.h
2507                 with_tls=pthread
2508                 target_mach=no
2509                 case "$target" in
2510                 armv7l-unknown-linux-gnueabi*)
2511                         # TEGRA
2512                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2513                         ;;
2514                 armv5-*-linux-androideabi*)
2515                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2516                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2517                         ;;
2518                 esac
2519                 ;;
2520         *)
2521                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2522         esac
2523 fi
2524
2525 # FIXME: Define the others as well
2526 case "$TARGET" in
2527 X86)
2528         AC_DEFINE(TARGET_X86, 1, [...])
2529         ;;
2530 AMD64)
2531         AC_DEFINE(TARGET_AMD64, 1, [...])
2532         ;;
2533 ARM)
2534         AC_DEFINE(TARGET_ARM, 1, [...])
2535         ;;
2536 POWERPC)
2537         AC_DEFINE(TARGET_POWERPC, 1, [...])
2538         ;;
2539 POWERPC64)
2540         AC_DEFINE(TARGET_POWERPC, 1, [...])
2541         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2542         ;;
2543 S390x)
2544         AC_DEFINE(TARGET_S390X, 1, [...])
2545         ;;
2546 MIPS)
2547         AC_DEFINE(TARGET_MIPS, 1, [...])
2548         ;;
2549 esac
2550
2551 if test "x$target_mach" = "xyes"; then
2552    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2553 fi
2554
2555 if test "x$sizeof_register" = "x4"; then
2556    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2557 elif test "x$sizeof_register" = "x8"; then
2558    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2559 else
2560    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2561 fi
2562
2563 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2564    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2565 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2566    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2567 else
2568    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2569 fi
2570
2571 if test "x$have_visibility_hidden" = "xyes"; then
2572    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2573 fi
2574
2575 if test "x$have_deprecated" = "xyes"; then
2576    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2577 fi
2578
2579 dnl
2580 dnl Simple Generational checks (sgen)
2581 dnl
2582 if $sgen_supported; then
2583    build_sgen_default=yes
2584 else
2585    build_sgen_default=no
2586 fi
2587 SGEN_DEFINES=
2588 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2589 if test x$buildsgen = xyes; then
2590    if $sgen_supported; then
2591        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2592        gc_msg="sgen and $gc_msg"
2593    else
2594        buildsgen=no
2595        AC_MSG_WARN("Sgen is not supported on this platform")
2596    fi
2597 fi
2598 AC_SUBST(SGEN_DEFINES)
2599 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2600
2601 USEJIT=false
2602 if test x$JIT_SUPPORTED = xyes; then
2603    if $jit_wanted; then
2604       USEJIT=true
2605       jit_status="Building and using the JIT"
2606    else
2607       if $interp_wanted; then
2608          jit_status="Building the JIT, defaulting to the interpreter"
2609       else
2610          AC_ERROR(No JIT or interpreter support available or selected.)
2611       fi
2612    fi
2613 else
2614    if test x$interp_wanted = xtrue; then
2615       jit_status="interpreter"
2616    else
2617       AC_ERROR(No JIT or interpreter support available or selected.)
2618    fi
2619 fi
2620
2621 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2622
2623 libsuffix=".so"
2624
2625 case "$host" in
2626      *-*-darwin*)
2627         libsuffix=".dylib"
2628         LIBC="libc.dylib"
2629         INTL="libintl.dylib"
2630         SQLITE="libsqlite.0.dylib"
2631         SQLITE3="libsqlite3.0.dylib"
2632         X11="libX11.dylib"
2633         ;;
2634      *-*-*netbsd*)
2635         LIBC="libc.so.12"
2636         INTL="libintl.so.0"
2637         ;;
2638     *-*-*freebsd*)
2639         LIBC="libc.so"
2640         INTL="libintl.so"
2641         SQLITE="libsqlite.so"
2642         SQLITE3="libsqlite3.so"
2643         ;;
2644     *-*-*openbsd*)
2645         LIBC="libc.so"
2646         INTL="libintl.so"
2647         SQLITE="libsqlite.so"
2648         SQLITE3="libsqlite3.so"
2649         ;;
2650     *-*-*linux*)
2651         AC_PATH_X
2652         AC_MSG_CHECKING(for the soname of libX11.so)
2653         for i in $x_libraries /usr/lib /usr/lib64; do
2654                 for r in 4 5 6; do
2655                         if test -f $i/libX11.so.$r; then
2656                                 X11=libX11.so.$r
2657                                 AC_MSG_RESULT($X11)
2658                         fi
2659                 done
2660         done
2661
2662         if test "x$X11" = "xlibX11.so"; then
2663                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2664                 X11=libX11.so.6
2665         fi
2666         ;;
2667 esac
2668
2669
2670 AC_SUBST(libsuffix)
2671
2672 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2673         if test "x$with_tls" = "x__thread"; then
2674                 #
2675                 # On some linux distributions, TLS works in executables, but linking
2676                 # against a shared library containing TLS fails with:
2677                 # undefined reference to `__tls_get_addr'
2678                 #
2679                 rm -f conftest.c conftest.so conftest
2680                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2681                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2682                 $CC -o conftest conftest.so > /dev/null 2>&1
2683                 if test ! -f conftest; then
2684                    AC_MSG_WARN([Disabling usage of __thread.]);
2685                    with_tls=pthread
2686                 fi
2687                 rm -f conftest.c conftest.so conftest
2688         fi
2689 fi
2690
2691 mono_debugger_supported=no
2692 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2693 if test "x$try_mono_debugger" = "xyes"; then
2694         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2695                 if test x$use_included_gc = xyes; then
2696                         case "$host" in
2697                         *-*-*linux*)
2698                                 mono_debugger_supported=yes
2699                                 ;;
2700                         *86-apple-darwin*)
2701                                 mono_debugger_supported=yes
2702                                 ;;
2703                         esac
2704                 fi
2705         fi
2706 fi
2707
2708 # disable the debugger entirely when building with moonlight
2709 if test "x$with_moonlight" != "xno"; then
2710         mono_debugger_supported=no
2711 fi
2712
2713 # mdb support for sgen is broken, disable it until further notice.
2714 mono_debugger_supported=no
2715
2716 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2717 if test "x$mono_debugger_supported" = "xyes"; then
2718         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2719         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2720 fi
2721 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2722 AC_MSG_RESULT($mono_debugger_supported)
2723
2724 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2725 if test "x$icall_symbol_map" = "xyes"; then
2726    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2727 fi
2728
2729 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2730 if test "x$icall_export" = "xyes"; then
2731    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2732 fi
2733
2734 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2735 if test "x$icall_tables" = "xno"; then
2736    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2737 fi
2738
2739 if test "x$with_tls" = "x__thread"; then
2740         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2741         # Pass the information to libgc
2742         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2743         AC_MSG_CHECKING(if the tls_model attribute is supported)
2744         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2745                 ], [
2746                         AC_MSG_RESULT(yes)
2747                         # CLANG doesn't support this yet, and it prints warnings about it
2748                         if test "x$mono_cv_clang" = "xno"; then
2749                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2750                         fi
2751                 ], [
2752                         AC_MSG_RESULT(no)
2753         ])
2754 fi
2755
2756 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2757         dnl ******************************************
2758         dnl *** Check to see what FPU is available ***
2759         dnl ******************************************
2760         AC_MSG_CHECKING(which FPU to use)
2761
2762         fpu=NONE
2763         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2764            fpu=VFP_HARD
2765         fi
2766
2767         if test x$fpu = xNONE; then
2768            ORIG_CFLAGS=$CFLAGS
2769            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2770            AC_TRY_RUN([
2771                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2772                                 ], fpu=VFP, fpu=NONE)
2773            CFLAGS=$ORIG_CFLAGS
2774         fi
2775
2776         if test x$fpu = xNONE; then
2777                 AC_TRY_COMPILE([], [
2778                         __asm__ ("ldfd f0, [r0]");
2779                         ], fpu=FPA, fpu=NONE)
2780         fi
2781
2782         AC_MSG_RESULT($fpu)
2783         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2784         unset fpu
2785
2786         AC_MSG_CHECKING(for ARMV6)
2787         AC_TRY_RUN([
2788                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2789                         ], armv6=yes, armv6=no)
2790
2791         AC_MSG_RESULT($armv6)
2792         if test ${armv6} = yes; then
2793            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2794            # libgc's gc_locks.h depends on this
2795            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2796         fi
2797 fi
2798
2799 if test ${TARGET} = unknown; then
2800         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2801         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2802 fi
2803
2804 if test ${ACCESS_UNALIGNED} = no; then
2805         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2806 fi
2807
2808 case "x$gc" in
2809         xincluded)
2810                 # Pass CPPFLAGS to libgc configure
2811                 # We should use a separate variable for this to avoid passing useless and
2812                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2813                 # This should be executed late so we pick up the final version of CPPFLAGS
2814                 # The problem with this approach, is that during a reconfigure, the main
2815                 # configure scripts gets invoked with these arguments, so we use separate
2816                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2817                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2818                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2819                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2820                 fi
2821                 # Don't pass -finstrument-for-thread-suspension in,
2822                 # if these are instrumented it will be very bad news
2823                 # (infinite recursion, undefined parking behavior, etc)
2824                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2825                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2826                 AC_CONFIG_SUBDIRS(libgc)
2827                 ;;
2828 esac
2829
2830 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2831 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2832 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2833 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2834 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2835
2836 OPROFILE=no
2837 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2838         if test x$with_oprofile != xno; then
2839             oprofile_include=$with_oprofile/include
2840             if test ! -f $oprofile_include/opagent.h; then
2841                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2842                 fi
2843             OPROFILE=yes
2844                 OPROFILE_CFLAGS="-I$oprofile_include"
2845             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2846             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2847         fi
2848 ])
2849
2850 MALLOC_MEMPOOLS=no
2851 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2852         if test x$with_malloc_mempools = xyes; then
2853                 MALLOC_MEMPOOLS=yes
2854                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2855         fi
2856 ])
2857
2858
2859 DISABLE_MCS_DOCS=no
2860 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2861         if test x$with_mcs_docs != xyes; then
2862                 DISABLE_MCS_DOCS=yes
2863         fi
2864 ])
2865 if test x$with_profile4 != xyes; then
2866         DISABLE_MCS_DOCS=yes
2867 fi
2868
2869 MOONLIGHT_DEFINES=
2870 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2871         if test x$with_moonlight != xno; then
2872         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2873         fi
2874 ], [with_moonlight=no])
2875 AC_SUBST(MOONLIGHT_DEFINES)
2876
2877 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2878         if test "x$with_moon_gc" != "xsgen"; then
2879                 with_moon_gc=boehm
2880         fi
2881 ], [with_moon_gc=boehm])
2882
2883 AC_CHECK_HEADER([malloc.h],
2884                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2885                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2886
2887 if test x"$GCC" = xyes; then
2888         # Implicit function declarations are not 64 bit safe
2889         # Do this late, since this causes lots of configure tests to fail
2890         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2891         # jay has a lot of implicit declarations
2892         JAY_CFLAGS="-Wno-implicit-function-declaration"
2893 fi
2894
2895 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2896 # instead of libmono-static.a
2897 if test "x$enable_shared" = "xno"; then
2898    LIBMONO_LA=libmini-static.la
2899 else
2900    LIBMONO_LA=libmono-$API_VER.la
2901 fi
2902 AC_SUBST(LIBMONO_LA)
2903
2904 dnl
2905 dnl Consistency settings
2906 dnl
2907 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2908    DISABLE_MCS_DOCS=yes
2909    with_profile2=no
2910    with_profile4=no
2911    with_profile4_5=no
2912    with_monodroid=no
2913    with_monotouch=no
2914 fi
2915
2916 if test x$DISABLE_MCS_DOCS = xyes; then
2917    docs_dir=""
2918 else
2919    docs_dir=docs
2920 fi
2921 AC_SUBST(docs_dir)
2922
2923 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
2924 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
2925
2926 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2927 AC_SUBST(OPROFILE_CFLAGS)
2928 AC_SUBST(OPROFILE_LIBS)
2929
2930 libmono_ldflags="$libmono_ldflags $LIBS"
2931
2932 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2933
2934 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2935 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2936 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2937
2938 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2939 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2940 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
2941 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
2942 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
2943
2944 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2945 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2946 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2947 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2948 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2949 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2950 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2951 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2952 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2953 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2954 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2955 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2956 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2957 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2958 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2959 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2960 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
2961 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
2962 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
2963
2964 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2965 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2966 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2967
2968 AC_SUBST(LIBC)
2969 AC_SUBST(INTL)
2970 AC_SUBST(SQLITE)
2971 AC_SUBST(SQLITE3)
2972 AC_SUBST(X11)
2973 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2974 AC_SUBST(arch_target)
2975 AC_SUBST(CFLAGS)
2976 AC_SUBST(CPPFLAGS)
2977 AC_SUBST(LDFLAGS)
2978
2979 mono_build_root=`pwd`
2980 AC_SUBST(mono_build_root)
2981
2982 if test x$USEJIT = xtrue; then
2983   mono_runtime=mono/mini/mono
2984 else
2985   mono_runtime=mono/interpreter/mint
2986 fi
2987 AC_SUBST(mono_runtime)
2988
2989 mono_cfg_root=$mono_build_root/runtime
2990 if test x$host_win32 = xyes; then
2991   if test "x$cross_compiling" = "xno"; then
2992     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
2993   else
2994     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
2995   fi
2996 else
2997   mono_cfg_dir=$mono_cfg_root/etc
2998 fi
2999 AC_SUBST(mono_cfg_dir)
3000
3001 AC_CONFIG_FILES([po/mcs/Makefile.in])
3002
3003 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3004 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3005
3006 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3007 [   depth=../../../..
3008     case $srcdir in
3009     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3010     .) reldir=$depth ;;
3011     *) reldir=$depth/$srcdir ;;
3012     esac
3013     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3014     cd runtime/etc/mono/1.0
3015     rm -f machine.config
3016     $LN_S $reldir/data/net_1_1/machine.config machine.config
3017     cd $depth
3018 ],[LN_S='$LN_S'])
3019
3020 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3021 [   depth=../../../..
3022     case $srcdir in
3023     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3024     .) reldir=$depth ;;
3025     *) reldir=$depth/$srcdir ;;
3026     esac
3027     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3028     cd runtime/etc/mono/2.0
3029     rm -f machine.config
3030     $LN_S $reldir/data/net_2_0/machine.config machine.config
3031     cd $depth
3032 ],[LN_S='$LN_S'])
3033
3034 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3035 [   depth=../../../..
3036     case $srcdir in
3037     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3038     .) reldir=$depth ;;
3039     *) reldir=$depth/$srcdir ;;
3040     esac
3041     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3042     cd runtime/etc/mono/2.0
3043     rm -f web.config
3044     $LN_S $reldir/data/net_2_0/web.config web.config
3045     cd $depth
3046 ],[LN_S='$LN_S'])
3047
3048 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3049 [   depth=../../..
3050     case $srcdir in
3051     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3052     .) reldir=$depth ;;
3053     *) reldir=$depth/$srcdir ;;
3054     esac
3055     $ac_aux_dir/install-sh -d runtime/etc/mono/
3056     cd runtime/etc/mono/
3057     rm -f browscap.ini
3058     $LN_S $reldir/data/browscap.ini browscap.ini
3059     cd $depth
3060 ],[LN_S='$LN_S'])
3061
3062 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3063 [   depth=../../../../..
3064     case $srcdir in
3065     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3066     .) reldir=$depth ;;
3067     *) reldir=$depth/$srcdir ;;
3068     esac
3069     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3070     cd runtime/etc/mono/2.0/Browsers
3071     rm -f Compat.browser
3072     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3073     cd $depth
3074 ],[LN_S='$LN_S'])
3075
3076 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3077 [   depth=../../../..
3078     case $srcdir in
3079     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3080     .) reldir=$depth ;;
3081     *) reldir=$depth/$srcdir ;;
3082     esac
3083     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3084     cd runtime/etc/mono/4.0
3085     rm -f machine.config
3086     $LN_S $reldir/data/net_4_0/machine.config machine.config
3087     cd $depth
3088 ],[LN_S='$LN_S'])
3089
3090 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3091 [   depth=../../../..
3092     case $srcdir in
3093     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3094     .) reldir=$depth ;;
3095     *) reldir=$depth/$srcdir ;;
3096     esac
3097     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3098     cd runtime/etc/mono/4.0
3099     rm -f web.config
3100     $LN_S $reldir/data/net_4_0/web.config web.config
3101     cd $depth
3102 ],[LN_S='$LN_S'])
3103
3104 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3105 [   depth=../../../..
3106     case $srcdir in
3107     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3108     .) reldir=$depth ;;
3109     *) reldir=$depth/$srcdir ;;
3110     esac
3111     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3112     cd runtime/etc/mono/4.5
3113     rm -f machine.config
3114     $LN_S $reldir/data/net_4_5/machine.config machine.config
3115     cd $depth
3116 ],[LN_S='$LN_S'])
3117
3118 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3119 [   depth=../../../..
3120     case $srcdir in
3121     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3122     .) reldir=$depth ;;
3123     *) reldir=$depth/$srcdir ;;
3124     esac
3125     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3126     cd runtime/etc/mono/4.5
3127     rm -f web.config
3128     $LN_S $reldir/data/net_4_5/web.config web.config
3129     cd $depth
3130 ],[LN_S='$LN_S'])
3131
3132 AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/echo "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
3133
3134 AC_OUTPUT([
3135 Makefile
3136 mono-core.spec
3137 mono-uninstalled.pc
3138 scripts/mono-find-provides
3139 scripts/mono-find-requires
3140 mono/Makefile
3141 mono/utils/Makefile
3142 mono/metadata/Makefile
3143 mono/dis/Makefile
3144 mono/cil/Makefile
3145 mono/arch/Makefile
3146 mono/arch/x86/Makefile
3147 mono/arch/amd64/Makefile
3148 mono/arch/hppa/Makefile
3149 mono/arch/ppc/Makefile
3150 mono/arch/sparc/Makefile
3151 mono/arch/s390/Makefile
3152 mono/arch/s390x/Makefile
3153 mono/arch/arm/Makefile
3154 mono/arch/alpha/Makefile
3155 mono/arch/ia64/Makefile
3156 mono/arch/mips/Makefile
3157 mono/interpreter/Makefile
3158 mono/tests/Makefile
3159 mono/tests/tests-config
3160 mono/tests/assemblyresolve/Makefile
3161 mono/tests/cas/Makefile
3162 mono/tests/cas/assembly/Makefile
3163 mono/tests/cas/demand/Makefile
3164 mono/tests/cas/inheritance/Makefile
3165 mono/tests/cas/linkdemand/Makefile
3166 mono/tests/cas/threads/Makefile
3167 mono/benchmark/Makefile
3168 mono/monograph/Makefile
3169 mono/io-layer/Makefile
3170 mono/mini/Makefile
3171 mono/profiler/Makefile
3172 m4/Makefile
3173 ikvm-native/Makefile
3174 scripts/Makefile
3175 man/Makefile
3176 docs/Makefile
3177 data/Makefile
3178 data/net_2_0/Makefile
3179 data/net_4_0/Makefile
3180 data/net_4_5/Makefile
3181 data/net_2_0/Browsers/Makefile
3182 data/mint.pc
3183 data/mono-2.pc
3184 data/monosgen-2.pc
3185 data/mono.pc
3186 data/mono-cairo.pc
3187 data/mono-nunit.pc
3188 data/mono-options.pc
3189 data/mono-lineeditor.pc
3190 data/monodoc.pc
3191 data/mono.web.pc
3192 data/dotnet.pc
3193 data/dotnet35.pc
3194 data/wcf.pc
3195 data/cecil.pc
3196 data/system.web.extensions_1.0.pc
3197 data/system.web.extensions.design_1.0.pc
3198 data/system.web.mvc.pc
3199 data/system.web.mvc2.pc
3200 data/system.web.mvc3.pc
3201 data/aspnetwebstack.pc
3202 samples/Makefile
3203 support/Makefile
3204 data/config
3205 tools/Makefile
3206 tools/locale-builder/Makefile
3207 tools/sgen/Makefile
3208 runtime/Makefile
3209 msvc/Makefile
3210 po/Makefile
3211 ])
3212
3213 # Update all submodules recursively to ensure everything is checked out
3214 $srcdir/scripts/update_submodules
3215
3216 if test x$host_win32 = xyes; then
3217    # Get rid of 'cyg' prefixes in library names
3218    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3219    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3220    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3221    # executable doesn't work...
3222    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3223 fi
3224
3225 (
3226   case $prefix in
3227   NONE) prefix=$ac_default_prefix ;;
3228   esac
3229   case $exec_prefix in
3230   NONE) exec_prefix='${prefix}' ;;
3231   esac
3232
3233   #
3234   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3235   # any existing config.make.  This allows people to share the same source tree
3236   # with different build directories, one native and one cross
3237   #
3238   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3239
3240     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3241
3242     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3243     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3244     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3245     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3246     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3247     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3248     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3249     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3250
3251     case $INSTALL in
3252     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3253     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3254     esac
3255
3256     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3257
3258     export VERSION
3259     [myver=$($AWK 'BEGIN {
3260       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3261       if(length(vsplit [1]) > 4) {
3262         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3263       }
3264       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3265     }')]
3266
3267     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3268
3269     if test x$platform_darwin = xyes; then
3270       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3271     fi
3272
3273         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3274            enable_system_aot=yes
3275         fi
3276
3277         if test "x$enable_loadedllvm" = "xyes"; then
3278            # This seems to fail on the x86 buildbots
3279            enable_system_aot=no
3280         fi
3281
3282     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3283       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3284     fi
3285
3286     if test x$DISABLE_MCS_DOCS = xyes; then
3287       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3288     fi
3289
3290     if test x$with_moonlight != xno; then
3291       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3292     fi
3293
3294         default_profile=net_2_0
3295     if test -z "$INSTALL_4_0_TRUE"; then :
3296                 default_profile=net_4_0
3297     fi
3298     if test -z "$INSTALL_MONODROID_TRUE"; then :
3299                 default_profile=monodroid
3300     fi
3301     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3302                 default_profile=monotouch
3303     fi
3304     if test -z "$INSTALL_4_5_TRUE"; then :
3305                 default_profile=net_4_5
3306     fi
3307
3308     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3309
3310     if test "x$test_bcl_opt" = "xyes"; then
3311       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3312     fi
3313
3314   fi
3315
3316   # if we have an olive folder, override the default settings
3317   if test -d $olivedir; then
3318
3319     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3320
3321       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3322
3323       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3324       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3325       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3326       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3327       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3328       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3329     fi
3330   fi
3331
3332 )
3333
3334 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3335
3336 echo "
3337         mcs source:    $mcsdir
3338
3339    Engine:
3340         GC:            $gc_msg
3341         TLS:           $with_tls
3342         SIGALTSTACK:   $with_sigaltstack
3343         Engine:        $jit_status
3344         oprofile:      $OPROFILE
3345         BigArrays:     $enable_big_arrays
3346         DTrace:        $enable_dtrace
3347         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3348
3349    Libraries:
3350         .NET 2.0/3.5:  $with_profile2
3351         .NET 4.0:      $with_profile4
3352         .NET 4.5:      $with_profile4_5
3353         MonoDroid:     $with_monodroid
3354         MonoTouch:     $with_monotouch
3355         JNI support:   $jdk_headers_found
3356         libgdiplus:    $libgdiplus_msg
3357         zlib:          $zlib_msg
3358         $disabled
3359 "
3360 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3361    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3362 fi