configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.2.7],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   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 subdir-objects])
  17 AC_CONFIG_HEADERS([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 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 dnl
  40 dnl libgc checks
  41 dnl
  42
  43 gc_headers=no
  44 gc=included
  45 gc_msg="included Boehm"
  46 use_included_gc=no
  47 libgc_configure_args=
  48
  49 if test -d $srcdir/libgc ; then
  50   gc_default=included
  51 else
  52   gc_default=boehm
  53 fi
  54
  55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  58 CFLAGS_FOR_LIBGC=$CFLAGS
  59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  60 CFLAGS_FOR_EGLIB=$CFLAGS
  61
  62 #
  63 # These are the flags that need to be stored in the mono.pc file for
  64 # compiling code that will embed Mono
  65 #
  66 libmono_cflags=""
  67 libmono_ldflags=""
  68 AC_SUBST(libmono_cflags)
  69 AC_SUBST(libmono_ldflags)
  70
  71 # Variable to have relocatable .pc files (lib, or lib64)
  72 reloc_libdir=`basename ${libdir}`
  73 AC_SUBST(reloc_libdir)
  74
  75 dnl if linker handles the version script
  76 no_version_script=no
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 case "$host" in
  92         powerpc*-*-linux*)
  93                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  94                 disable_munmap=yes
  95         ;;
  96 esac
  97
  98 host_win32=no
  99 target_win32=no
 100 platform_android=no
 101 platform_darwin=no
 102 case "$host" in
 103         *-mingw*|*-*-cygwin*)
 104                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 105                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 106                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 107                 host_win32=yes
 108                 mono_cv_clang=no
 109                 if test "x$cross_compiling" = "xno"; then
 110                         target_win32=yes
 111                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 112                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 113                         fi
 114                 else
 115                         target_win32=yes
 116                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 117                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 118                 fi
 119                 HOST_CC="gcc"
 120                 # Windows 2000 is required that includes Internet Explorer 5.01
 121                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 122                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 123                 libmono_cflags="-mms-bitfields -mwindows"
 124                 libmono_ldflags="-mms-bitfields -mwindows"
 125                 libdl=
 126                 libgc_threads=win32
 127                 gc_default=included
 128                 with_sigaltstack=no
 129                 LN_S=cp
 130                 # This forces libgc to use the DllMain based thread registration code on win32
 131                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 132                 ;;
 133         *-*-*netbsd*)
 134                 host_win32=no
 135                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 136                 libmono_cflags="-D_REENTRANT"
 137                 LDFLAGS="$LDFLAGS -pthread"
 138                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 139                 libmono_ldflags="-pthread"
 140                 need_link_unlink=yes
 141                 libdl="-ldl"
 142                 libgc_threads=pthreads
 143                 with_sigaltstack=no
 144                 use_sigposix=yes
 145                 ;;
 146         *-*-*freebsd*)
 147                 host_win32=no
 148                 if test "x$PTHREAD_CFLAGS" = "x"; then
 149                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 150                         libmono_cflags=
 151                 else
 152                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 153                         libmono_cflags="$PTHREAD_CFLAGS"
 154                 fi
 155                 if test "x$PTHREAD_LIBS" = "x"; then
 156                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 157                         libmono_ldflags="-pthread"
 158                 else
 159                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 160                         libmono_ldflags="$PTHREAD_LIBS"
 161                 fi
 162                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 163                 need_link_unlink=yes
 164                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 165                 libdl=
 166                 libgc_threads=pthreads
 167                 use_sigposix=yes
 168                 has_dtrace=yes
 169                 ;;
 170         *-*-*openbsd*)
 171                 host_win32=no
 172                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 173                 if test "x$disable_munmap" != "xyes"; then
 174                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 175                 fi
 176                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 177                 LDFLAGS="$LDFLAGS -pthread"
 178                 need_link_unlink=yes
 179                 AC_DEFINE(PTHREAD_POINTER_ID)
 180                 libdl=
 181                 gc_default=boehm
 182                 libgc_threads=pthreads
 183                 with_sigaltstack=no
 184                 use_sigposix=yes
 185                 ;;
 186         *-*-linux-android*)
 187                 host_win32=no
 188                 platform_android=yes
 189                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 190                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 191
 192                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 193                 if test "x$disable_munmap" != "xyes"; then
 194                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 195                 fi
 196                 libmono_cflags="-D_REENTRANT"
 197                 libdl="-ldl"
 198                 libgc_threads=pthreads
 199                 use_sigposix=yes
 200
 201                 with_tls=pthread
 202                 with_sigaltstack=no
 203                 with_static_mono=no
 204
 205                 # Android doesn't support boehm, as it's missing <link.h>
 206                 support_boehm=no
 207                 with_gc=sgen
 208
 209                 # isinf(3) requires -lm; see isinf check below
 210                 LDFLAGS="$LDFLAGS -lm"
 211
 212                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 213                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 214                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 215                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 216                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217
 218                 # to bypass the underscore linker check, can't work when cross-compiling
 219                 mono_cv_uscore=yes
 220                 mono_cv_clang=no
 221                 ;;
 222         *-*-linux*)
 223                 host_win32=no
 224                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 225                 if test "x$disable_munmap" != "xyes"; then
 226                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 227                 fi
 228                 libmono_cflags="-D_REENTRANT"
 229                 libdl="-ldl"
 230                 libgc_threads=pthreads
 231                 use_sigposix=yes
 232                 if test "x$cross_compiling" != "xno"; then
 233                         # to bypass the underscore linker check, not
 234                         # available during cross-compilation
 235                         mono_cv_uscore=no
 236                 fi
 237                 ;;
 238         *-*-nacl*)
 239                 host_win32=no
 240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 241                 if test "x$disable_munmap" != "xyes"; then
 242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 243                 fi
 244                 libmono_cflags="-D_REENTRANT"
 245                 libdl=
 246                 libgc_threads=pthreads
 247                 gc_default=boehm
 248                 use_sigposix=yes
 249                 ikvm_native=no
 250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 252                 ;;
 253         *-*-hpux*)
 254                 host_win32=no
 255                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 256                 # +ESdbgasm only valid on bundled cc on RISC
 257                 # silently ignored for ia64
 258                 if test $GCC != "yes"; then
 259                         CFLAGS="$CFLAGS +ESdbgasm"
 260                         # Arrange for run-time dereferencing of null
 261                         # pointers to produce a SIGSEGV signal.
 262                         LDFLAGS="$LDFLAGS -z"
 263                 fi
 264                 CFLAGS="$CFLAGS +ESdbgasm"
 265                 LDFLAGS="$LDFLAGS -z"
 266                 libmono_cflags="-D_REENTRANT"
 267                 libmono_ldflags="-lpthread"
 268                 libgc_threads=pthreads
 269                 need_link_unlink=yes
 270                 use_sigposix=yes
 271                 ;;
 272         *-*-solaris*)
 273                 host_win32=no
 274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 275                 need_link_unlink=yes
 276                 libmono_cflags="-D_REENTRANT"
 277                 libgc_threads=pthreads
 278                 # This doesn't seem to work on solaris/x86, but the configure test runs
 279                 with_tls=pthread
 280                 has_dtrace=yes
 281                 use_sigposix=yes
 282                 enable_solaris_tar_check=yes
 283                 ;;
 284         *-*-darwin*)
 285                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 286                 host_win32=no
 287                 platform_darwin=yes
 288                 target_mach=yes
 289                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 290                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 291                 libmono_cflags="-D_THREAD_SAFE"
 292                 need_link_unlink=yes
 293                 AC_DEFINE(PTHREAD_POINTER_ID)
 294                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 295                 no_version_script=yes
 296                 libdl=
 297                 libgc_threads=pthreads
 298                 has_dtrace=yes
 299                 if test "x$cross_compiling" = "xyes"; then
 300                         has_broken_apple_cpp=yes
 301                 fi
 302                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 303                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 304                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 305                 case "$host" in
 306                         dnl Snow Leopard and newer config.guess reports as this
 307                         i*86-*-darwin*)
 308                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 309                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 310                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 311                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 312                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 313                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 314                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 315                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 316                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 317                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 318                                 ;;
 319                         x*64-*-darwin*)
 320                                 ;;
 321                         arm*-darwin*)
 322                                 has_dtrace=no
 323                                 ;;
 324                 esac
 325                 ;;
 326         *-*-haiku*)
 327                 host_win32=no
 328                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 329                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 330                 libdl=
 331                 LIBS="$LIBS -lnetwork"
 332                 need_link_unlink=yes
 333                 AC_DEFINE(PTHREAD_POINTER_ID)
 334                 libgc_threads=pthreads
 335                 use_sigposix=yes
 336                 ;;
 337         *)
 338                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 339                 host_win32=no
 340                 libdl="-ldl"
 341                 ;;
 342 esac
 343 AC_MSG_RESULT(ok)
 344
 345 if test x$need_link_unlink = xyes; then
 346    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 347 fi
 348
 349 AC_SUBST(extra_runtime_ldflags)
 350 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 351 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 352 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 353 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 354 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 355 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 356
 357 AC_CHECK_TOOL(CC, gcc, gcc)
 358 AC_PROG_CC
 359 AC_CHECK_TOOL(CXX, g++, g++)
 360 AC_PROG_CXX
 361 AM_PROG_AS
 362 AC_PROG_INSTALL
 363 AC_PROG_AWK
 364 AM_PROG_CC_C_O
 365 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 366 : ${CCAS='$(CC)'}
 367 # Set ASFLAGS if not already set.
 368 : ${CCASFLAGS='$(CFLAGS)'}
 369 AC_SUBST(CCAS)
 370 AC_SUBST(CCASFLAGS)
 371
 372 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 373 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 374 if test "x$CXX" = "xg++"; then
 375         if test "x$GXX" != "xyes"; then
 376                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 377                 # are inside automake conditionals
 378                 AC_MSG_ERROR([You need to install g++])
 379         fi
 380 fi
 381
 382 dnl may require a specific autoconf version
 383 dnl AC_PROG_CC_FOR_BUILD
 384 dnl CC_FOR_BUILD not automatically detected
 385 CC_FOR_BUILD=$CC
 386 CFLAGS_FOR_BUILD=$CFLAGS
 387 BUILD_EXEEXT=
 388 if test "x$cross_compiling" = "xyes"; then
 389         CC_FOR_BUILD=cc
 390         CFLAGS_FOR_BUILD=
 391         BUILD_EXEEXT=""
 392 fi
 393 AC_SUBST(CC_FOR_BUILD)
 394 AC_SUBST(CFLAGS_FOR_BUILD)
 395 AC_SUBST(HOST_CC)
 396 AC_SUBST(BUILD_EXEEXT)
 397
 398 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 399 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 400
 401 # Set STDC_HEADERS
 402 AC_HEADER_STDC
 403 AC_LIBTOOL_WIN32_DLL
 404 # This causes monodis to not link correctly
 405 #AC_DISABLE_FAST_INSTALL
 406 AM_PROG_LIBTOOL
 407 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 408 DOLT
 409
 410 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 411 AC_SUBST(export_ldflags)
 412
 413 # Test whenever ld supports -version-script
 414 AC_PROG_LD
 415 AC_PROG_LD_GNU
 416 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 417    no_version_script=yes
 418 fi
 419
 420 AM_ICONV()
 421
 422 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 423
 424 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)
 425 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)
 426 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 427                   [], [], [#include <stddef.h>
 428                   #include <sys/socket.h>
 429                   #include <linux/socket.h>])
 430
 431 AC_CHECK_HEADERS(sys/user.h, [], [],
 432 [
 433 #ifdef HAVE_SYS_PARAM_H
 434 # include <sys/param.h>
 435 #endif
 436 ])
 437
 438 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 439 if test x$have_zlib = xyes; then
 440    AC_TRY_COMPILE([#include <zlib.h>], [
 441    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 442    return 0;
 443    #else
 444    #error No good zlib found
 445    #endif
 446    ],[
 447         AC_MSG_RESULT(Using system zlib)
 448         zlib_msg="system zlib"
 449         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 450    ],[
 451         AC_MSG_RESULT(Using embedded zlib)
 452         have_zlib=no
 453         zlib_msg="bundled zlib"
 454    ])
 455 fi
 456
 457 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 458 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 459
 460 # for mono/metadata/debug-symfile.c
 461 AC_CHECK_HEADERS(elf.h)
 462
 463 # for support
 464 AC_CHECK_HEADERS(poll.h)
 465 AC_CHECK_HEADERS(sys/poll.h)
 466 AC_CHECK_HEADERS(sys/wait.h)
 467 AC_CHECK_HEADERS(grp.h)
 468 AC_CHECK_HEADERS(syslog.h)
 469
 470 # for mono/dis
 471 AC_CHECK_HEADERS(wchar.h)
 472 AC_CHECK_HEADERS(ieeefp.h)
 473 AC_MSG_CHECKING(for isinf)
 474 AC_TRY_LINK([#include <math.h>], [
 475         int f = isinf (1);
 476 ], [
 477         AC_MSG_RESULT(yes)
 478         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 479 ], [
 480         # We'll have to use signals
 481         AC_MSG_RESULT(no)
 482 ])
 483 # mingw
 484 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 485         AC_TRY_LINK([#include <math.h>],
 486         [ _finite(0.0); ],
 487         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 488         AC_MSG_RESULT(no)))
 489
 490 # for Linux statfs support
 491 AC_CHECK_HEADERS(linux/magic.h)
 492
 493 # not 64 bit clean in cross-compile
 494 AC_CHECK_SIZEOF(void *, 4)
 495
 496 AC_CACHE_CHECK([for clang],
 497         mono_cv_clang,[
 498         AC_TRY_COMPILE([], [
 499                 #ifdef __clang__
 500                 #else
 501                 #error "FAILED"
 502                 #endif
 503                 return 0;
 504         ],
 505         [mono_cv_clang=yes],
 506         [mono_cv_clang=no],
 507         [])
 508 ])
 509
 510 WARN=''
 511 if test x"$GCC" = xyes; then
 512         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 513                 # The runtime code does not respect ANSI C strict aliasing rules
 514                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 515
 516                 ORIG_CFLAGS=$CFLAGS
 517                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 518                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 519                 AC_TRY_COMPILE([],[
 520                                 return 0;
 521                 ], [
 522                    AC_MSG_RESULT(yes)
 523                 ], [
 524                    AC_MSG_RESULT(no)
 525                    CFLAGS=$ORIG_CFLAGS
 526                 ])
 527
 528                 ORIG_CFLAGS=$CFLAGS
 529                 # Check for the normal version, since gcc ignores unknown -Wno options
 530                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 531                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 532                 AC_TRY_COMPILE([],[
 533                                 return 0;
 534                 ], [
 535                    AC_MSG_RESULT(yes)
 536                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 537                 ], [
 538                    AC_MSG_RESULT(no)
 539                    CFLAGS=$ORIG_CFLAGS
 540                 ])
 541
 542                 if test "x$mono_cv_clang" = "xyes"; then
 543                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 544                    WARN="$WARN -Qunused-arguments"
 545                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
 546                 fi
 547 else
 548         # The Sun Forte compiler complains about inline functions that access static variables
 549         # so disable all inlining.
 550         case "$host" in
 551         *-*-solaris*)
 552                 CFLAGS="$CFLAGS -Dinline="
 553                 ;;
 554         esac
 555 fi
 556 CFLAGS="$CFLAGS -g $WARN"
 557 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 558
 559 # Where's the 'mcs' source tree?
 560 if test -d $srcdir/mcs; then
 561   mcsdir=mcs
 562 else
 563   mcsdir=../mcs
 564 fi
 565
 566 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 567         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 568                 mcsdir=$with_mcs_path
 569         fi
 570 )
 571
 572 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 573
 574 #
 575 # A sanity check to catch cases where the package was unpacked
 576 # with an ancient tar program (Solaris)
 577 #
 578 AC_ARG_ENABLE(solaris-tar-check,
 579 [  --disable-solaris-tar-check    disable solaris tar check],
 580    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 581
 582 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 583         AC_MSG_CHECKING(integrity of package)
 584         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 585         then
 586                 AC_MSG_RESULT(ok)
 587         else
 588                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 589                 AC_MSG_ERROR([$errorm])
 590         fi
 591 fi
 592
 593 if test "x$with_mcs_path" != "x"; then
 594 mcs_topdir=$(cd "$mcsdir" && pwd)
 595 mcs_topdir_from_srcdir=$mcs_topdir
 596 else
 597 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 598 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 599 fi
 600
 601 # Convert mcs_topdir* paths to Windows syntax.
 602 if test x$cross_compiling$host_win32 = xnoyes; then
 603   mcs_topdir=$(cygpath -m $mcs_topdir)
 604   case $mcs_topdir_from_srcdir in
 605     /cygdrive/*)
 606         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 607         ;;
 608   esac
 609 fi
 610
 611 AC_SUBST([mcs_topdir])
 612 AC_SUBST([mcs_topdir_from_srcdir])
 613
 614 # Where's the 'olive' source tree?
 615 if test -d $srcdir/olive; then
 616   olivedir=olive
 617 else
 618   olivedir=../olive
 619 fi
 620
 621 if test -d $srcdir/$olivedir; then
 622 olive_topdir='$(top_srcdir)/'$olivedir
 623 fi
 624
 625 # gettext: prepare the translation directories.
 626 # we do not configure the full gettext, as we consume it dynamically from C#
 627 AM_PO_SUBDIRS
 628
 629 if test "x$USE_NLS" = "xyes"; then
 630    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 631
 632    if test "x$HAVE_MSGFMT" = "xno"; then
 633           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 634    fi
 635 fi
 636
 637 AC_ARG_WITH([libgdiplus],
 638         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 639         [], [with_libgdiplus=installed])
 640
 641 case $with_libgdiplus in
 642 no|installed) libgdiplus_loc= ;;
 643 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 644 /*) libgdiplus_loc=$with_libgdiplus ;;
 645 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 646 esac
 647 AC_SUBST([libgdiplus_loc])
 648
 649 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 650
 651 pkg_config_path=
 652 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 653         if test x$with_crosspkgdir = "x"; then
 654                 if test -s $PKG_CONFIG_PATH; then
 655                         pkg_config_path=$PKG_CONFIG_PATH
 656                 fi
 657         else
 658                 pkg_config_path=$with_crosspkgdir
 659                 PKG_CONFIG_PATH=$pkg_config_path
 660                 export PKG_CONFIG_PATH
 661         fi
 662 )
 663
 664 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 665 AC_CONFIG_SUBDIRS(eglib)
 666
 667 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 668 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 669 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 670 BUILD_GLIB_LIBS="$GLIB_LIBS"
 671 GMODULE_CFLAGS="$GLIB_CFLAGS"
 672 GMODULE_LIBS="$GLIB_LIBS"
 673
 674 AC_SUBST(GLIB_CFLAGS)
 675 AC_SUBST(GLIB_LIBS)
 676 AC_SUBST(GMODULE_CFLAGS)
 677 AC_SUBST(GMODULE_LIBS)
 678 AC_SUBST(BUILD_GLIB_CFLAGS)
 679 AC_SUBST(BUILD_GLIB_LIBS)
 680
 681 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 682
 683 # Enable support for fast thread-local storage
 684 # Some systems have broken support, so we allow to disable it.
 685 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 686
 687 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 688 # This does not work on some platforms (bug #55253)
 689 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 690
 691 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 692 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 693 # Same as --with-shared_mono=no
 694 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 695
 696 if test "x$enable_static" = "xno"; then
 697    with_static_mono=no
 698 fi
 699
 700 if test "x$enable_shared" = "xno"; then
 701    with_shared_mono=no
 702 fi
 703
 704 if test "x$enable_libraries" = "xno"; then
 705    with_shared_mono=no
 706 fi
 707
 708 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 709
 710 case $host in
 711 *nacl* ) with_shared_mono=yes;;
 712 esac
 713
 714 if test "x$host_win32" = "xyes"; then
 715    # Boehm GC requires the runtime to be in its own dll
 716    with_static_mono=no
 717 fi
 718
 719 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 720 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 721 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 722
 723 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 724 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 725         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 726         ORIG_CFLAGS=$CFLAGS
 727         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 728         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 729         AC_TRY_COMPILE([], [
 730                 return 0;
 731         ], [
 732            AC_MSG_RESULT(yes)
 733            # Pass it to libgc as well
 734            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 735         ], [
 736            AC_MSG_RESULT(no)
 737            CFLAGS=$ORIG_CFLAGS
 738         ])
 739 fi
 740
 741 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 742
 743 if test x$enable_small_config = xyes; then
 744         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 745         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 746 fi
 747
 748 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=$enableval, enable_system_aot=default)
 749
 750 DISABLED_FEATURES=none
 751
 752 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 753      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 754      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 755          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 756 [
 757         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 758                 eval "mono_feature_disable_$feature='yes'"
 759         done
 760         DISABLED_FEATURES=$enable_minimal
 761         disabled="Disabled:      $enable_minimal"
 762 ],[])
 763
 764 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 765
 766 if test "x$mono_feature_disable_aot" = "xyes"; then
 767         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 768         AC_MSG_NOTICE([Disabled AOT compiler])
 769 fi
 770
 771 if test "x$mono_feature_disable_profiler" = "xyes"; then
 772         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 773         AC_MSG_NOTICE([Disabled support for the profiler])
 774 fi
 775 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 776
 777 if test "x$mono_feature_disable_decimal" = "xyes"; then
 778         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 779         AC_MSG_NOTICE([Disabled support for decimal])
 780 fi
 781
 782 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 783         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 784         AC_MSG_NOTICE([Disabled support for P/Invoke])
 785 fi
 786
 787 if test "x$mono_feature_disable_debug" = "xyes"; then
 788         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 789         AC_MSG_NOTICE([Disabled support for runtime debugging])
 790 fi
 791
 792 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 793         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 794         mono_feature_disable_reflection_emit_save=yes
 795         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 796 fi
 797
 798 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 799         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 800         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 801 fi
 802
 803 if test "x$mono_feature_disable_large_code" = "xyes"; then
 804         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 805         AC_MSG_NOTICE([Disabled support for large assemblies])
 806 fi
 807
 808 if test "x$mono_feature_disable_logging" = "xyes"; then
 809         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 810         AC_MSG_NOTICE([Disabled support for logging])
 811 fi
 812
 813 if test "x$mono_feature_disable_com" = "xyes"; then
 814         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 815         AC_MSG_NOTICE([Disabled COM support])
 816 fi
 817
 818 if test "x$mono_feature_disable_ssa" = "xyes"; then
 819         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 820         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 821 fi
 822
 823 if test "x$mono_feature_disable_generics" = "xyes"; then
 824         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 825         AC_MSG_NOTICE([Disabled Generics Support])
 826 fi
 827
 828 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 829         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 830         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 831 fi
 832
 833 if test "x$mono_feature_disable_portability" = "xyes"; then
 834         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 835         AC_MSG_NOTICE([Disabled IO Portability layer])
 836 fi
 837
 838 if test "x$mono_feature_disable_attach" = "xyes"; then
 839         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 840         AC_MSG_NOTICE([Disabled agent attach])
 841 fi
 842
 843 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 844         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 845         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 846 fi
 847
 848 if test "x$mono_feature_disable_verifier" = "xyes"; then
 849         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 850         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 851 fi
 852
 853 if test "x$mono_feature_disable_jit" = "xyes"; then
 854         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 855         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 856 fi
 857
 858 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 859
 860 if test "x$mono_feature_disable_simd" = "xyes"; then
 861         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 862         AC_MSG_NOTICE([Disabled SIMD support])
 863 fi
 864
 865 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 866         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 867         AC_MSG_NOTICE([Disabled Soft Debugger.])
 868 fi
 869
 870 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 871         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 872         AC_MSG_NOTICE([Disabled Performance Counters.])
 873 fi
 874 if test "x$mono_feature_disable_normalization" = "xyes"; then
 875         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 876         AC_MSG_NOTICE([Disabled String normalization support.])
 877 fi
 878
 879 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 880         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 881         AC_MSG_NOTICE([Disabled Assembly remapping.])
 882 fi
 883
 884 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 885         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 886         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 887 fi
 888
 889 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 890         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 891         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 892 fi
 893
 894 if test "x$mono_feature_disable_remoting" = "xyes"; then
 895         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 896         AC_MSG_NOTICE([Disabled remoting])
 897 fi
 898
 899 if test "x$mono_feature_disable_security" = "xyes"; then
 900         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 901         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 902 fi
 903
 904 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 905         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 906         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 907 fi
 908
 909 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 910         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 911         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 912 fi
 913
 914 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 915         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 916         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 917 fi
 918
 919 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 920         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 921         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 922 fi
 923
 924 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 925         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 926         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 927 fi
 928
 929 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 930 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 931
 932 has_extension_module=no
 933 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 934 [
 935         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 936                 if test x$extension = xdefault ; then
 937                         has_extension_module=yes;
 938                 fi
 939         done
 940         if test x$enable_extension_module = xyes; then
 941                 has_extension_module=yes;
 942         fi
 943 ], [])
 944
 945 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 946
 947 if test x$has_extension_module != xno ; then
 948         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 949         AC_MSG_NOTICE([Enabling mono extension module.])
 950 fi
 951
 952
 953 AC_MSG_CHECKING(for visibility __attribute__)
 954 AC_COMPILE_IFELSE([
 955         AC_LANG_SOURCE([[
 956                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 957                 int main () { doit (); return 0; }
 958         ]])
 959 ], [
 960    have_visibility_hidden=yes
 961    AC_MSG_RESULT(yes)
 962 ], [
 963    have_visibility_hidden=no
 964    AC_MSG_RESULT(no)
 965 ])
 966
 967 AC_MSG_CHECKING(for deprecated __attribute__)
 968 AC_TRY_COMPILE([
 969      int doit (void) __attribute__ ((deprecated));
 970      int doit (void) { return 0; }
 971 ], [
 972         return 0;
 973 ], [
 974    have_deprecated=yes
 975    AC_MSG_RESULT(yes)
 976 ], [
 977    have_deprecated=no
 978    AC_MSG_RESULT(no)
 979 ])
 980
 981 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 982 if test x$enable_parallel_mark = xyes; then
 983         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 984 fi
 985
 986 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 987 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 988
 989 dnl
 990 dnl Boehm GC configuration
 991 dnl
 992 LIBGC_CPPFLAGS=
 993 LIBGC_LIBS=
 994 LIBGC_STATIC_LIBS=
 995 libgc_dir=
 996 case "x$gc" in
 997         xboehm|xbohem|xyes)
 998                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 999                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1000
1001                 if test "x$found_boehm" != "xyes"; then
1002                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1003                 fi
1004                 if test "x$gc_headers" != "xyes"; then
1005                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1006                 fi
1007
1008                 LIBGC_LIBS="-lgc $libdl"
1009                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1010                 libmono_ldflags="$libmono_ldflags -lgc"
1011                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1012
1013                 # AC_CHECK_FUNCS does not work for some reason...
1014                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1015                 if test "x$found_gcj_malloc" = "xyes"; then
1016                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1017                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1018                         gc_msg="System Boehm with typed GC"
1019                 else
1020                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1021                         gc_msg="System Boehm (without typed GC)"
1022                 fi
1023                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1024                 if test "x$found_gc_enable" = "xyes"; then
1025                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1026                 fi
1027
1028                 # check whether we need to explicitly allow
1029                 # thread registering
1030                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1031                 if test "x$found_allow_register_threads" = "xyes"; then
1032                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1033                 fi
1034
1035                 ;;
1036
1037         xincluded)
1038                 use_included_gc=yes
1039                 libgc_dir=libgc
1040
1041                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1042                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1043                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1044
1045                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1046
1047                 if test x$target_win32 = xyes; then
1048                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1049                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1050                 fi
1051
1052                 gc_msg="bundled Boehm GC with typed GC"
1053                 if test x$enable_parallel_mark = xyes; then
1054                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1055                         gc_msg="$gc_msg and parallel mark"
1056                 else
1057                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1058                 fi
1059                 ;;
1060
1061         xsgen)
1062                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1063                 ;;
1064
1065         xnone)
1066                 AC_MSG_WARN("Compiling mono without GC.")
1067                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1068                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1069                 ;;
1070         *)
1071                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1072                 ;;
1073 esac
1074
1075 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1076 if test "x$large_heap" = "xyes"; then
1077    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1078 fi
1079
1080 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1081 AC_SUBST(LIBGC_CPPFLAGS)
1082 AC_SUBST(LIBGC_LIBS)
1083 AC_SUBST(LIBGC_STATIC_LIBS)
1084 AC_SUBST(libgc_dir)
1085 AC_SUBST(BOEHM_DEFINES)
1086
1087 dnl
1088 dnl End of libgc checks
1089 dnl
1090
1091 dnl *************************************
1092 dnl *** Checks for zero length arrays ***
1093 dnl *************************************
1094 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1095 AC_TRY_COMPILE([
1096         struct s {
1097                 int  length;
1098                 char data [0];
1099         };
1100 ], [], [
1101         AC_MSG_RESULT(yes)
1102         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1103 ], [
1104         AC_MSG_RESULT(no)
1105         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1106 ])
1107
1108 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1109
1110 if test x$target_win32 = xno; then
1111
1112         dnl hires monotonic clock support
1113         AC_SEARCH_LIBS(clock_gettime, rt)
1114
1115         dnl dynamic loader support
1116         AC_CHECK_FUNC(dlopen, DL_LIB="",
1117                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1118         )
1119         if test x$dl_support = xno; then
1120                 AC_MSG_WARN([No dynamic loading support available])
1121         else
1122                 LIBS="$LIBS $DL_LIB"
1123                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1124                 dnl from glib's configure.in
1125                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1126                         mono_cv_uscore,[
1127                         AC_TRY_RUN([#include <dlfcn.h>
1128                         int mono_underscore_test (void) { return 42; }
1129                         int main() {
1130                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1131                           handle = dlopen ((void*)0, 0);
1132                           if (handle) {
1133                             f1 = dlsym (handle, "mono_underscore_test");
1134                             f2 = dlsym (handle, "_mono_underscore_test");
1135                           } return (!f2 || f1);
1136                         }],
1137                                 [mono_cv_uscore=yes],
1138                                 [mono_cv_uscore=no],
1139                         [])
1140                 ])
1141                 if test "x$mono_cv_uscore" = "xyes"; then
1142                         MONO_DL_NEED_USCORE=1
1143                 else
1144                         MONO_DL_NEED_USCORE=0
1145                 fi
1146                 AC_SUBST(MONO_DL_NEED_USCORE)
1147                 AC_CHECK_FUNC(dlerror)
1148         fi
1149
1150         dnl ******************************************************************
1151         dnl *** Checks for the IKVM JNI interface library                  ***
1152         dnl ******************************************************************
1153         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])
1154
1155         ikvm_native_dir=
1156         if test x$with_ikvm_native = xyes; then
1157                 ikvm_native_dir=ikvm-native
1158                 jdk_headers_found="IKVM Native"
1159         fi
1160
1161         AC_SUBST(ikvm_native_dir)
1162
1163         AC_CHECK_HEADERS(execinfo.h)
1164
1165         AC_CHECK_HEADERS(sys/auxv.h)
1166
1167         AC_CHECK_FUNCS(getgrgid_r)
1168         AC_CHECK_FUNCS(getgrnam_r)
1169         AC_CHECK_FUNCS(getpwnam_r)
1170         AC_CHECK_FUNCS(getpwuid_r)
1171         AC_CHECK_FUNCS(getresuid)
1172         AC_CHECK_FUNCS(setresuid)
1173         AC_CHECK_FUNCS(kqueue)
1174         AC_CHECK_FUNCS(backtrace_symbols)
1175         AC_CHECK_FUNCS(mkstemp)
1176         AC_CHECK_FUNCS(mmap)
1177         AC_CHECK_FUNCS(madvise)
1178         AC_CHECK_FUNCS(getrusage)
1179         AC_CHECK_FUNCS(getpriority)
1180         AC_CHECK_FUNCS(setpriority)
1181         AC_CHECK_FUNCS(dl_iterate_phdr)
1182         AC_CHECK_FUNCS(dladdr)
1183         AC_CHECK_FUNCS(sysconf)
1184
1185         AC_CHECK_FUNCS(sched_setaffinity)
1186         AC_CHECK_FUNCS(sched_getcpu)
1187
1188         dnl ****************************************************************
1189         dnl *** Check for sched_setaffinity from glibc versions before   ***
1190         dnl *** 2.3.4. The older versions of the function only take 2    ***
1191         dnl *** parameters, not 3.                                       ***
1192         dnl ***                                                          ***
1193         dnl *** Because the interface change was not made in a minor     ***
1194         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1195         dnl *** won't always indicate the interface sched_affinity has.  ***
1196         dnl ****************************************************************
1197         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1198         AC_TRY_COMPILE([#include <sched.h>], [
1199             int mask = 1;
1200             sched_setaffinity(0, &mask);
1201                         return 0;
1202         ], [
1203                 # Yes, we have it...
1204                 AC_MSG_RESULT(yes)
1205                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1206         ], [
1207                 # We have the new, three-parameter version
1208                 AC_MSG_RESULT(no)
1209         ])
1210
1211
1212         dnl ******************************************************************
1213         dnl *** Check for large file support                               ***
1214         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1215         dnl ******************************************************************
1216
1217         # Check that off_t can represent 2**63 - 1 correctly, working around
1218         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1219         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1220         large_offt=no
1221         AC_DEFUN([LARGE_FILES], [
1222                 large_CPPFLAGS=$CPPFLAGS
1223                 CPPFLAGS="$CPPFLAGS $1"
1224                 AC_TRY_COMPILE([
1225                         #include <sys/types.h>
1226                         #include <limits.h>
1227                 ], [
1228                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1229                         #define COMPILE_TIME_ASSERT(pred) \
1230                                 switch(0){case 0:case pred:;}
1231                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1232                 ], [
1233                         AC_MSG_RESULT(ok)
1234                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1235                         large_CPPFLAGS="$large_CPPFLAGS $1"
1236                         large_offt=yes
1237                 ], [
1238                         AC_MSG_RESULT(no)
1239                 ])
1240                 CPPFLAGS=$large_CPPFLAGS
1241         ])
1242
1243         AC_MSG_CHECKING(if off_t is 64 bits wide)
1244         LARGE_FILES("")
1245         if test $large_offt = no; then
1246                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1247                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1248         fi
1249         if test $large_offt = no; then
1250                 AC_MSG_WARN([No 64 bit file size support available])
1251         fi
1252
1253         dnl *****************************
1254         dnl *** Checks for libsocket  ***
1255         dnl *****************************
1256         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1257
1258         case "$host" in
1259                 *-*-*freebsd*)
1260                         dnl *****************************
1261                         dnl *** Checks for libinotify ***
1262                         dnl *****************************
1263                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1264         esac
1265
1266         dnl *******************************
1267         dnl *** Checks for MSG_NOSIGNAL ***
1268         dnl *******************************
1269         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1270         AC_TRY_COMPILE([#include <sys/socket.h>], [
1271                 int f = MSG_NOSIGNAL;
1272         ], [
1273                 # Yes, we have it...
1274                 AC_MSG_RESULT(yes)
1275                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1276         ], [
1277                 # We'll have to use signals
1278                 AC_MSG_RESULT(no)
1279         ])
1280
1281         dnl *****************************
1282         dnl *** Checks for IPPROTO_IP ***
1283         dnl *****************************
1284         AC_MSG_CHECKING(for IPPROTO_IP)
1285         AC_TRY_COMPILE([#include <netinet/in.h>], [
1286                 int level = IPPROTO_IP;
1287         ], [
1288                 # Yes, we have it...
1289                 AC_MSG_RESULT(yes)
1290                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1291         ], [
1292                 # We'll have to use getprotobyname
1293                 AC_MSG_RESULT(no)
1294         ])
1295
1296         dnl *******************************
1297         dnl *** Checks for IPPROTO_IPV6 ***
1298         dnl *******************************
1299         AC_MSG_CHECKING(for IPPROTO_IPV6)
1300         AC_TRY_COMPILE([#include <netinet/in.h>], [
1301                 int level = IPPROTO_IPV6;
1302         ], [
1303                 # Yes, we have it...
1304                 AC_MSG_RESULT(yes)
1305                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1306         ], [
1307                 # We'll have to use getprotobyname
1308                 AC_MSG_RESULT(no)
1309         ])
1310
1311         dnl ******************************
1312         dnl *** Checks for IPPROTO_TCP ***
1313         dnl ******************************
1314         AC_MSG_CHECKING(for IPPROTO_TCP)
1315         AC_TRY_COMPILE([#include <netinet/in.h>], [
1316                 int level = IPPROTO_TCP;
1317         ], [
1318                 # Yes, we have it...
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1321         ], [
1322                 # We'll have to use getprotobyname
1323                 AC_MSG_RESULT(no)
1324         ])
1325
1326         dnl *****************************
1327         dnl *** Checks for SOL_IP     ***
1328         dnl *****************************
1329         AC_MSG_CHECKING(for SOL_IP)
1330         AC_TRY_COMPILE([#include <netdb.h>], [
1331                 int level = SOL_IP;
1332         ], [
1333                 # Yes, we have it...
1334                 AC_MSG_RESULT(yes)
1335                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1336         ], [
1337                 # We'll have to use getprotobyname
1338                 AC_MSG_RESULT(no)
1339         ])
1340
1341         dnl *****************************
1342         dnl *** Checks for SOL_IPV6     ***
1343         dnl *****************************
1344         AC_MSG_CHECKING(for SOL_IPV6)
1345         AC_TRY_COMPILE([#include <netdb.h>], [
1346                 int level = SOL_IPV6;
1347         ], [
1348                 # Yes, we have it...
1349                 AC_MSG_RESULT(yes)
1350                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1351         ], [
1352                 # We'll have to use getprotobyname
1353                 AC_MSG_RESULT(no)
1354         ])
1355
1356         dnl *****************************
1357         dnl *** Checks for SOL_TCP    ***
1358         dnl *****************************
1359         AC_MSG_CHECKING(for SOL_TCP)
1360         AC_TRY_COMPILE([#include <netdb.h>], [
1361                 int level = SOL_TCP;
1362         ], [
1363                 # Yes, we have it...
1364                 AC_MSG_RESULT(yes)
1365                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1366         ], [
1367                 # We'll have to use getprotobyname
1368                 AC_MSG_RESULT(no)
1369         ])
1370
1371         dnl *****************************
1372         dnl *** Checks for IP_PKTINFO ***
1373         dnl *****************************
1374         AC_MSG_CHECKING(for IP_PKTINFO)
1375         AC_TRY_COMPILE([#include <linux/in.h>], [
1376                 int level = IP_PKTINFO;
1377         ], [
1378                 # Yes, we have it...
1379                 AC_MSG_RESULT(yes)
1380                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1381         ], [
1382                 AC_MSG_RESULT(no)
1383         ])
1384
1385         dnl *****************************
1386         dnl *** Checks for IPV6_PKTINFO ***
1387         dnl *****************************
1388         AC_MSG_CHECKING(for IPV6_PKTINFO)
1389         AC_TRY_COMPILE([#include <netdb.h>], [
1390                 int level = IPV6_PKTINFO;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1395         ], [
1396                 AC_MSG_RESULT(no)
1397         ])
1398
1399         dnl **********************************
1400         dnl *** Checks for IP_DONTFRAG     ***
1401         dnl **********************************
1402         AC_MSG_CHECKING(for IP_DONTFRAG)
1403         AC_TRY_COMPILE([#include <netinet/in.h>], [
1404                 int level = IP_DONTFRAG;
1405         ], [
1406                 # Yes, we have it...
1407                 AC_MSG_RESULT(yes)
1408                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1409         ], [
1410                 AC_MSG_RESULT(no)
1411         ])
1412
1413         dnl **********************************
1414         dnl *** Checks for IP_DONTFRAGMENT ***
1415         dnl **********************************
1416         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1417         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1418                 int level = IP_DONTFRAGMENT;
1419         ], [
1420                 # Yes, we have it...
1421                 AC_MSG_RESULT(yes)
1422                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1423         ], [
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl **********************************
1428         dnl *** Checks for IP_MTU_DISCOVER ***
1429         dnl **********************************
1430         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1431         AC_TRY_COMPILE([#include <linux/in.h>], [
1432                 int level = IP_MTU_DISCOVER;
1433         ], [
1434                 # Yes, we have it...
1435                 AC_MSG_RESULT(yes)
1436                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1437         ], [
1438                 AC_MSG_RESULT(no)
1439         ])
1440
1441         dnl **********************************
1442         dnl *** Checks for  IP_PMTUDISC_DO ***
1443         dnl **********************************
1444         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1445         AC_TRY_COMPILE([#include <linux/in.h>], [
1446                 int level = IP_PMTUDISC_DO;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1451         ], [
1452                 AC_MSG_RESULT(no)
1453         ])
1454
1455         dnl *********************************
1456         dnl *** Check for struct ip_mreqn ***
1457         dnl *********************************
1458         AC_MSG_CHECKING(for struct ip_mreqn)
1459         AC_TRY_COMPILE([#include <netinet/in.h>], [
1460                 struct ip_mreqn mreq;
1461                 mreq.imr_address.s_addr = 0;
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1466         ], [
1467                 # We'll just have to try and use struct ip_mreq
1468                 AC_MSG_RESULT(no)
1469                 AC_MSG_CHECKING(for struct ip_mreq)
1470                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1471                         struct ip_mreq mreq;
1472                         mreq.imr_interface.s_addr = 0;
1473                 ], [
1474                         # Yes, we have it...
1475                         AC_MSG_RESULT(yes)
1476                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1477                 ], [
1478                         # No multicast support
1479                         AC_MSG_RESULT(no)
1480                 ])
1481         ])
1482
1483         dnl **********************************
1484         dnl *** Check for gethostbyname2_r ***
1485         dnl **********************************
1486         AC_MSG_CHECKING(for gethostbyname2_r)
1487                 AC_TRY_LINK([#include <netdb.h>], [
1488                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1493         ], [
1494                 AC_MSG_RESULT(no)
1495         ])
1496
1497         dnl *****************************
1498         dnl *** Checks for libnsl     ***
1499         dnl *****************************
1500         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1501
1502         AC_CHECK_FUNCS(inet_pton inet_aton)
1503
1504         dnl ***********************************************
1505         dnl *** Checks for size of sockaddr_un.sun_path ***
1506         dnl ***********************************************
1507         # AC_CHECK_SIZEOF can't cope with struct members :-(
1508         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1509         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1510                 [AC_TRY_RUN([
1511                         #include <sys/types.h>
1512                         #include <stdio.h>
1513                         #include <sys/un.h>
1514
1515                         int main(void) {
1516                                 struct sockaddr_un sock_un;
1517                                 FILE *f=fopen("conftestval", "w");
1518                                 if(!f) exit(1);
1519                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1520                                 exit(0);
1521                         }
1522                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1523                    mono_cv_sizeof_sunpath=0,
1524                    mono_cv_sizeof_sunpath=0)])dnl
1525         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1526         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1527
1528         dnl *****************************
1529         dnl *** Checks for libxnet    ***
1530         dnl *****************************
1531         case "${host}" in
1532                 *solaris* )
1533                         AC_MSG_CHECKING(for Solaris XPG4 support)
1534                         if test -f /usr/lib/libxnet.so; then
1535                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1536                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1537                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1538                                 LIBS="$LIBS -lxnet"
1539                                 AC_MSG_RESULT(yes)
1540                         else
1541                                 AC_MSG_RESULT(no)
1542                         fi
1543
1544                         if test "$GCC" = "yes"; then
1545                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1546                         fi
1547                 ;;
1548         esac
1549
1550         dnl *****************************
1551         dnl *** Checks for libpthread ***
1552         dnl *****************************
1553 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1554 # and libpthread does not exist
1555 #
1556         case "${host}" in
1557                 *-*-*freebsd*)
1558                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1559                 ;;
1560                 *-*-*openbsd*)
1561                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1562                 ;;
1563                 *)
1564                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1565                 ;;
1566         esac
1567         AC_CHECK_HEADERS(pthread.h)
1568         AC_CHECK_HEADERS(pthread_np.h)
1569         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1570         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1571         AC_CHECK_FUNCS(pthread_kill)
1572         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1573         AC_TRY_COMPILE([ #include <pthread.h>], [
1574                 pthread_mutexattr_t attr;
1575                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1576         ], [
1577                 AC_MSG_RESULT(ok)
1578         ], [
1579                 AC_MSG_RESULT(no)
1580                 AC_ERROR(Posix system lacks support for recursive mutexes)
1581         ])
1582         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1583         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1584         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1585
1586         dnl ***********************************
1587         dnl *** Checks for signals
1588         dnl ***********************************
1589         AC_CHECK_HEADERS(signal.h)
1590         AC_CHECK_FUNCS(sigaction)
1591
1592         dnl ***********************************
1593         dnl *** Checks for working __thread ***
1594         dnl ***********************************
1595         AC_MSG_CHECKING(for working __thread)
1596         if test "x$with_tls" != "x__thread"; then
1597                 AC_MSG_RESULT(disabled)
1598         elif test "x$cross_compiling" = "xyes"; then
1599                 AC_MSG_RESULT(cross compiling, assuming yes)
1600         else
1601                 AC_TRY_RUN([
1602                         #if defined(__APPLE__) && defined(__clang__)
1603                         #error "__thread does not currently work with clang on Mac OS X"
1604                         #endif
1605
1606                         #include <pthread.h>
1607                         __thread int i;
1608                         static int res1, res2;
1609
1610                         void thread_main (void *arg)
1611                         {
1612                                 i = arg;
1613                                 sleep (1);
1614                                 if (arg == 1)
1615                                         res1 = (i == arg);
1616                                 else
1617                                         res2 = (i == arg);
1618                         }
1619
1620                         int main () {
1621                                 pthread_t t1, t2;
1622
1623                                 i = 5;
1624
1625                                 pthread_create (&t1, NULL, thread_main, 1);
1626                                 pthread_create (&t2, NULL, thread_main, 2);
1627
1628                                 pthread_join (t1, NULL);
1629                                 pthread_join (t2, NULL);
1630
1631                                 return !(res1 + res2 == 2);
1632                         }
1633                 ], [
1634                                 AC_MSG_RESULT(yes)
1635                 ], [
1636                                 AC_MSG_RESULT(no)
1637                                 with_tls=pthread
1638                 ])
1639         fi
1640
1641         dnl **************************************
1642         dnl *** Checks for working sigaltstack ***
1643         dnl **************************************
1644         AC_MSG_CHECKING(for working sigaltstack)
1645         if test "x$with_sigaltstack" != "xyes"; then
1646                 AC_MSG_RESULT(disabled)
1647         elif test "x$cross_compiling" = "xyes"; then
1648                 AC_MSG_RESULT(cross compiling, assuming yes)
1649         else
1650                 AC_TRY_RUN([
1651                         #include <stdio.h>
1652                         #include <stdlib.h>
1653                         #include <unistd.h>
1654                         #include <signal.h>
1655                         #include <pthread.h>
1656                         #include <sys/wait.h>
1657                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1658                         #define SA_STACK SA_ONSTACK
1659                         #endif
1660                         static void
1661                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1662                         {
1663                                 exit (0);
1664                         }
1665
1666                         volatile char*__ptr = NULL;
1667                         static void *
1668                         loop (void *ignored)
1669                         {
1670                                 *__ptr = 0;
1671                                 return NULL;
1672                         }
1673
1674                         static void
1675                         child ()
1676                         {
1677                                 struct sigaction sa;
1678                         #ifdef __APPLE__
1679                                 stack_t sas;
1680                         #else
1681                                 struct sigaltstack sas;
1682                         #endif
1683                                 pthread_t id;
1684                                 pthread_attr_t attr;
1685
1686                                 sa.sa_sigaction = sigsegv_signal_handler;
1687                                 sigemptyset (&sa.sa_mask);
1688                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1689                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1690                                         perror ("sigaction");
1691                                         return;
1692                                 }
1693
1694                                 /* x86 darwin deliver segfaults using SIGBUS */
1695                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1696                                         perror ("sigaction");
1697                                         return;
1698                                 }
1699                                 sas.ss_sp = malloc (SIGSTKSZ);
1700                                 sas.ss_size = SIGSTKSZ;
1701                                 sas.ss_flags = 0;
1702                                 if (sigaltstack (&sas, NULL) == -1) {
1703                                         perror ("sigaltstack");
1704                                         return;
1705                                 }
1706
1707                                 pthread_attr_init (&attr);
1708                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1709                                         printf ("pthread_create\n");
1710                                         return;
1711                                 }
1712
1713                                 sleep (100);
1714                         }
1715
1716                         int
1717                         main ()
1718                         {
1719                                 pid_t son;
1720                                 int status;
1721                                 int i;
1722
1723                                 son = fork ();
1724                                 if (son == -1) {
1725                                         return 1;
1726                                 }
1727
1728                                 if (son == 0) {
1729                                         child ();
1730                                         return 0;
1731                                 }
1732
1733                                 for (i = 0; i < 300; ++i) {
1734                                         waitpid (son, &status, WNOHANG);
1735                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1736                                                 return 0;
1737                                         usleep (10000);
1738                                 }
1739
1740                                 kill (son, SIGKILL);
1741                                 return 1;
1742                         }
1743
1744                 ], [
1745                                 AC_MSG_RESULT(yes)
1746                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1747                 ], [
1748                                 with_sigaltstack=no
1749                                 AC_MSG_RESULT(no)
1750                 ])
1751         fi
1752
1753         dnl ********************************
1754         dnl *** Checks for semaphore lib ***
1755         dnl ********************************
1756         # 'Real Time' functions on Solaris
1757         # posix4 on Solaris 2.6
1758         # pthread (first!) on Linux
1759         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1760
1761         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1762         AC_CHECK_FUNCS(shm_open)
1763
1764         dnl ********************************
1765         dnl *** Checks for timezone stuff **
1766         dnl ********************************
1767         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1768                 AC_TRY_COMPILE([
1769                         #include <time.h>
1770                         ], [
1771                         struct tm tm;
1772                         tm.tm_gmtoff = 1;
1773                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1774         if test $ac_cv_struct_tm_gmtoff = yes; then
1775                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1776         else
1777                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1778                         AC_TRY_COMPILE([
1779                                 #include <time.h>
1780                         ], [
1781                                 timezone = 1;
1782                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1783                 if test $ac_cv_var_timezone = yes; then
1784                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1785                 else
1786                         AC_ERROR(unable to find a way to determine timezone)
1787                 fi
1788         fi
1789
1790         dnl *********************************
1791         dnl *** Checks for math functions ***
1792         dnl *********************************
1793         AC_SEARCH_LIBS(sqrtf, m)
1794         if test "x$has_broken_apple_cpp" != "xyes"; then
1795                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1796                         AC_TRY_LINK([#include <math.h>],
1797                         [ finite(0.0); ],
1798                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1799                         AC_MSG_RESULT(no)))
1800         fi
1801         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1802                 AC_TRY_LINK([#include <math.h>],
1803                 [ isfinite(0.0); ],
1804                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1805                 AC_MSG_RESULT(no)))
1806
1807         dnl ****************************************************************
1808         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1809         dnl *** have it in the library (duh))                            ***
1810         dnl ****************************************************************
1811         AC_CHECK_FUNCS(poll)
1812
1813         dnl *************************
1814         dnl *** Check for signbit ***
1815         dnl *************************
1816         AC_MSG_CHECKING(for signbit)
1817         AC_TRY_LINK([#include <math.h>], [
1818                 int s = signbit(1.0);
1819         ], [
1820                 AC_MSG_RESULT(yes)
1821                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1822         ], [
1823                 AC_MSG_RESULT(no)
1824         ])
1825
1826         dnl **********************************
1827         dnl *** epoll                      ***
1828         dnl **********************************
1829         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1830                 AC_CHECK_HEADERS(sys/epoll.h)
1831                 haveepoll=no
1832                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1833                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1834                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1835                 fi
1836         fi
1837
1838         havekqueue=no
1839
1840         AC_CHECK_HEADERS(sys/event.h)
1841         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1842
1843         dnl **************************************
1844         dnl * Darwin has a race that prevents us from using reliably:
1845         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1846         dnl * Since kqueue is mostly used for scaling large web servers,
1847         dnl * and very few folks run Mono on large web servers on OSX, falling
1848         dnl * back
1849         dnl **************************************
1850         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1851                 if x$platform_darwin = xno; then
1852                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1853                 fi
1854         fi
1855
1856         dnl ******************************
1857         dnl *** Checks for SIOCGIFCONF ***
1858         dnl ******************************
1859         AC_CHECK_HEADERS(sys/ioctl.h)
1860         AC_CHECK_HEADERS(net/if.h, [], [],
1861            [
1862            #ifdef HAVE_SYS_TYPES_H
1863            # include <sys/types.h>
1864            #endif
1865            #ifdef HAVE_SYS_SOCKET_H
1866            # include <sys/socket.h>
1867            #endif
1868            ])
1869         AC_MSG_CHECKING(for ifreq)
1870         AC_TRY_COMPILE([
1871                 #include <stdio.h>
1872                 #include <sys/ioctl.h>
1873                 #include <net/if.h>
1874                 ], [
1875                 struct ifconf ifc;
1876                 struct ifreq *ifr;
1877                 void *x;
1878                 ifc.ifc_len = 0;
1879                 ifc.ifc_buf = NULL;
1880                 x = (void *) &ifr->ifr_addr;
1881                 ],[
1882                         AC_MSG_RESULT(yes)
1883                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1884                 ], [
1885                         AC_MSG_RESULT(no)
1886                 ])
1887         dnl **********************************
1888         dnl ***     Checks for sin_len     ***
1889         dnl **********************************
1890         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1891         AC_TRY_COMPILE([
1892                 #include <netinet/in.h>
1893                 ], [
1894                 struct sockaddr_in saddr;
1895                 saddr.sin_len = sizeof (saddr);
1896                 ],[
1897                         AC_MSG_RESULT(yes)
1898                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1899                 ], [
1900                         AC_MSG_RESULT(no)
1901                 ])
1902         dnl **********************************
1903         dnl ***    Checks for sin6_len     ***
1904         dnl **********************************
1905         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1906         AC_TRY_COMPILE([
1907                 #include <netinet/in.h>
1908                 ], [
1909                 struct sockaddr_in6 saddr6;
1910                 saddr6.sin6_len = sizeof (saddr6);
1911                 ],[
1912                         AC_MSG_RESULT(yes)
1913                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1914                 ], [
1915                         AC_MSG_RESULT(no)
1916                 ])
1917         dnl **********************************
1918         dnl *** Check for getifaddrs       ***
1919         dnl **********************************
1920         AC_MSG_CHECKING(for getifaddrs)
1921                 AC_TRY_LINK([
1922                 #include <stdio.h>
1923                 #include <sys/types.h>
1924                 #include <sys/socket.h>
1925                 #include <ifaddrs.h>
1926         ], [
1927                 getifaddrs(NULL);
1928         ], [
1929                 # Yes, we have it...
1930                 AC_MSG_RESULT(yes)
1931                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1932         ], [
1933                 AC_MSG_RESULT(no)
1934         ])
1935         dnl **********************************
1936         dnl *** Check for if_nametoindex   ***
1937         dnl **********************************
1938         AC_MSG_CHECKING(for if_nametoindex)
1939                 AC_TRY_LINK([
1940                 #include <stdio.h>
1941                 #include <sys/types.h>
1942                 #include <sys/socket.h>
1943                 #include <net/if.h>
1944         ], [
1945                 if_nametoindex(NULL);
1946         ], [
1947                 # Yes, we have it...
1948                 AC_MSG_RESULT(yes)
1949                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1950         ], [
1951                 AC_MSG_RESULT(no)
1952         ])
1953
1954         dnl **********************************
1955         dnl *** Checks for MonoPosixHelper ***
1956         dnl **********************************
1957         AC_CHECK_HEADERS(checklist.h)
1958         AC_CHECK_HEADERS(pathconf.h)
1959         AC_CHECK_HEADERS(fstab.h)
1960         AC_CHECK_HEADERS(attr/xattr.h)
1961         AC_CHECK_HEADERS(sys/extattr.h)
1962         AC_CHECK_HEADERS(sys/sendfile.h)
1963         AC_CHECK_HEADERS(sys/statvfs.h)
1964         AC_CHECK_HEADERS(sys/statfs.h)
1965         AC_CHECK_HEADERS(sys/vfstab.h)
1966         AC_CHECK_HEADERS(sys/xattr.h)
1967         AC_CHECK_HEADERS(sys/mman.h)
1968         AC_CHECK_HEADERS(sys/param.h)
1969         AC_CHECK_HEADERS(sys/mount.h, [], [],
1970                 [
1971                 #ifdef HAVE_SYS_PARAM_H
1972                 # include <sys/param.h>
1973                 #endif
1974                 ])
1975         AC_CHECK_HEADERS(sys/mount.h)
1976         AC_CHECK_FUNCS(confstr)
1977         AC_CHECK_FUNCS(seekdir telldir)
1978         AC_CHECK_FUNCS(getdomainname)
1979         AC_CHECK_FUNCS(setdomainname)
1980         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1981         AC_CHECK_FUNCS(setgroups)
1982         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1983         AC_CHECK_FUNCS(getfsstat)
1984         AC_CHECK_FUNCS(lutimes futimes)
1985         AC_CHECK_FUNCS(mremap)
1986         AC_CHECK_FUNCS(remap_file_pages)
1987         AC_CHECK_FUNCS(posix_fadvise)
1988         AC_CHECK_FUNCS(posix_fallocate)
1989         AC_CHECK_FUNCS(posix_madvise)
1990         AC_CHECK_FUNCS(vsnprintf)
1991         AC_CHECK_FUNCS(sendfile)
1992         AC_CHECK_FUNCS(gethostid sethostid)
1993         AC_CHECK_FUNCS(sethostname)
1994         AC_CHECK_FUNCS(statfs)
1995         AC_CHECK_FUNCS(fstatfs)
1996         AC_CHECK_FUNCS(statvfs)
1997         AC_CHECK_FUNCS(fstatvfs)
1998         AC_CHECK_FUNCS(stime)
1999         AC_CHECK_FUNCS(strerror_r)
2000         AC_CHECK_FUNCS(ttyname_r)
2001         AC_CHECK_FUNCS(psignal)
2002         AC_CHECK_FUNCS(getlogin_r)
2003         AC_CHECK_FUNCS(lockf)
2004         AC_CHECK_FUNCS(swab)
2005         AC_CHECK_FUNCS(setusershell endusershell)
2006         AC_CHECK_FUNCS(futimens utimensat)
2007         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2008         AC_CHECK_FUNCS(readv writev preadv pwritev)
2009         AC_CHECK_FUNCS(setpgid)
2010         AC_CHECK_SIZEOF(size_t)
2011         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2012                 [#include <sys/types.h>
2013                  #include <sys/stat.h>
2014                  #include <unistd.h>])
2015         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2016                 [#include <sys/types.h>
2017                  #include <sys/stat.h>
2018                  #include <unistd.h>])
2019         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2020                 [#include <sys/time.h>])
2021         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2022                 [#include <unistd.h>
2023                  #include <fcntl.h>])
2024         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2025                 [#include <sys/uio.h>])
2026         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2027                 [#include <sys/poll.h>])
2028         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2029                 [#include <sys/types.h>
2030                  #include <sys/stat.h>
2031                  #include <unistd.h>])
2032         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2033                 [#include <time.h>])
2034         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2035                 [#include <sys/time.h>
2036                  #include <sys/types.h>
2037                  #include <utime.h>])
2038         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2039                 [#include <sys/time.h>])
2040         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2041                 [#include <sys/types.h>
2042                  #include <utime.h>])
2043         AC_CHECK_MEMBERS(
2044                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2045                 [#include <sys/types.h>
2046                  #include <dirent.h>])
2047         AC_CHECK_MEMBERS(
2048                 [struct passwd.pw_gecos],,,
2049                 [#include <sys/types.h>
2050                  #include <pwd.h>])
2051         AC_CHECK_MEMBERS(
2052                 [struct statfs.f_flags],,,
2053                 [#include <sys/types.h>
2054                  #include <sys/vfs.h>])
2055         AC_CHECK_MEMBERS(
2056                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2057                 [#include <sys/types.h>
2058                  #include <sys/stat.h>
2059                  #include <unistd.h>])
2060
2061         dnl Favour xattr through glibc, but use libattr if we have to
2062         AC_CHECK_FUNC(lsetxattr, ,
2063                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2064         )
2065         AC_SUBST(XATTR_LIB)
2066
2067         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2068         AC_CHECK_MEMBERS(
2069                 [struct kinfo_proc.kp_proc],,,
2070                 [#include <sys/types.h>
2071                  #include <sys/param.h>
2072                  #include <sys/sysctl.h>
2073                  #include <sys/proc.h>
2074                  ])
2075
2076         dnl *********************************
2077         dnl *** Checks for Windows compilation ***
2078         dnl *********************************
2079         AC_CHECK_HEADERS(sys/time.h)
2080         AC_CHECK_HEADERS(sys/param.h)
2081         AC_CHECK_HEADERS(dirent.h)
2082
2083         dnl ******************************************
2084         dnl *** Checks for OSX and iOS compilation ***
2085         dnl ******************************************
2086         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2087
2088         dnl *********************************
2089         dnl *** Check for Console 2.0 I/O ***
2090         dnl *********************************
2091         AC_CHECK_HEADERS([curses.h])
2092         AC_CHECK_HEADERS([term.h], [], [],
2093         [#if HAVE_CURSES_H
2094          #include <curses.h>
2095          #endif
2096         ])
2097         AC_CHECK_HEADERS([termios.h])
2098
2099         dnl * This is provided in io-layer, but on windows it's only available
2100         dnl * on xp+
2101         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2102 else
2103         dnl *********************************
2104         dnl *** Checks for Windows compilation ***
2105         dnl *********************************
2106         AC_CHECK_HEADERS(winternl.h)
2107
2108         jdk_headers_found=no
2109         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2110         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2111         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2112         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2113         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2114         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2115         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2116
2117         dnl *********************************
2118         dnl *** Check for struct ip_mreqn ***
2119         dnl *********************************
2120         AC_MSG_CHECKING(for struct ip_mreqn)
2121         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2122                 struct ip_mreqn mreq;
2123                 mreq.imr_address.s_addr = 0;
2124         ], [
2125                 # Yes, we have it...
2126                 AC_MSG_RESULT(yes)
2127                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2128         ], [
2129                 # We'll just have to try and use struct ip_mreq
2130                 AC_MSG_RESULT(no)
2131                 AC_MSG_CHECKING(for struct ip_mreq)
2132                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2133                         struct ip_mreq mreq;
2134                         mreq.imr_interface.s_addr = 0;
2135                 ], [
2136                         # Yes, we have it...
2137                         AC_MSG_RESULT(yes)
2138                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2139                 ], [
2140                         # No multicast support
2141                         AC_MSG_RESULT(no)
2142                 ])
2143         ])
2144         AC_CHECK_FUNCS(GetProcessId)
2145         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2146         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2147         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2148         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2149         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2150         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2151 fi
2152
2153 dnl socklen_t check
2154 AC_MSG_CHECKING(for socklen_t)
2155 AC_TRY_COMPILE([
2156 #include <sys/types.h>
2157 #include <sys/socket.h>
2158 ],[
2159   socklen_t foo;
2160 ],[
2161 ac_cv_c_socklen_t=yes
2162         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2163         AC_MSG_RESULT(yes)
2164 ],[
2165         AC_MSG_RESULT(no)
2166 ])
2167
2168 AC_MSG_CHECKING(for array element initializer support)
2169 AC_TRY_COMPILE([#include <sys/socket.h>], [
2170         const int array[] = {[1] = 2,};
2171 ], [
2172         # Yes, we have it...
2173         AC_MSG_RESULT(yes)
2174         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2175 ], [
2176         # We'll have to use signals
2177         AC_MSG_RESULT(no)
2178 ])
2179
2180 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2181         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2182         AC_TRY_LINK([#include <math.h>],
2183         [ static void *p = &trunc; ],
2184         [
2185                 AC_DEFINE(HAVE_TRUNC)
2186                 AC_MSG_RESULT(yes)
2187                 ac_cv_trunc=yes
2188         ],
2189         AC_MSG_RESULT(no)))
2190
2191 if test "x$ac_cv_truncl" != "xyes"; then
2192    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2193 fi
2194
2195 AC_CHECK_FUNCS(round)
2196 AC_CHECK_FUNCS(rint)
2197 AC_CHECK_FUNCS(execvp)
2198
2199 dnl ****************************
2200 dnl *** Look for /dev/random ***
2201 dnl ****************************
2202
2203 AC_MSG_CHECKING([if usage of random device is requested])
2204 AC_ARG_ENABLE(dev-random,
2205 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2206 try_dev_random=$enableval, try_dev_random=yes)
2207
2208 AC_MSG_RESULT($try_dev_random)
2209
2210 case "{$build}" in
2211     *-openbsd*)
2212     NAME_DEV_RANDOM="/dev/srandom"
2213     ;;
2214
2215 dnl Win32 does not have /dev/random, they have their own method...
2216
2217     *-mingw*|*-*-cygwin*)
2218     ac_cv_have_dev_random=no
2219     ;;
2220
2221 dnl Everywhere else, it's /dev/random
2222
2223     *)
2224     NAME_DEV_RANDOM="/dev/random"
2225     ;;
2226 esac
2227
2228 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2229
2230 dnl Now check if the device actually exists
2231
2232 if test "x$try_dev_random" = "xyes"; then
2233     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2234     [if test -r "$NAME_DEV_RANDOM" ; then
2235         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2236     if test "x$ac_cv_have_dev_random" = "xyes"; then
2237         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2238     fi
2239 else
2240     AC_MSG_CHECKING(for random device)
2241     ac_cv_have_dev_random=no
2242     AC_MSG_RESULT(has been disabled)
2243 fi
2244
2245 if test "x$host_win32" = "xyes"; then
2246     AC_DEFINE(HAVE_CRYPT_RNG)
2247 fi
2248
2249 if test "x$ac_cv_have_dev_random" = "xno" \
2250     && test "x$host_win32" = "xno"; then
2251     AC_MSG_WARN([[
2252 ***
2253 *** A system-provided entropy source was not found on this system.
2254 *** Because of this, the System.Security.Cryptography random number generator
2255 *** will throw a NotImplemented exception.
2256 ***
2257 *** If you are seeing this message, and you know your system DOES have an
2258 *** entropy collection in place, please contact <crichton@gimp.org> and
2259 *** provide information about the system and how to access the random device.
2260 ***
2261 *** Otherwise you can install either egd or prngd and set the environment
2262 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2263 ***]])
2264 fi
2265
2266 AC_MSG_CHECKING([if inter-process shared handles are requested])
2267 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2268 AC_MSG_RESULT($try_shared_handles)
2269 if test "x$try_shared_handles" != "xyes"; then
2270         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2271         AC_SUBST(DISABLE_SHARED_HANDLES)
2272 fi
2273
2274 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2275
2276 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2277 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2278
2279 AC_MSG_CHECKING([if big-arrays are to be enabled])
2280 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2281 if test "x$enable_big_arrays" = "xyes" ; then
2282     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2283         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2284     else
2285         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2286     fi
2287 fi
2288 AC_MSG_RESULT($enable_big_arrays)
2289
2290 dnl **************
2291 dnl *** DTRACE ***
2292 dnl **************
2293
2294 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2295
2296 if test "x$enable_dtrace" = "xyes"; then
2297    if test "x$has_dtrace" = "xno"; then
2298           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2299    fi
2300    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2301    if test "x$DTRACE" = "xno"; then
2302           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2303           enable_dtrace=no
2304    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2305           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2306           enable_dtrace=no
2307    fi
2308 fi
2309
2310 dtrace_g=no
2311 if test "x$enable_dtrace" = "xyes"; then
2312         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2313         DTRACEFLAGS=
2314         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2315                 case "$host" in
2316                         powerpc-*-darwin*)
2317                         DTRACEFLAGS="-arch ppc64"
2318                         ;;
2319                         i*86-*-darwin*)
2320                         DTRACEFLAGS="-arch x86_64"
2321                         ;;
2322                         *)
2323                         DTRACEFLAGS=-64
2324                         ;;
2325                 esac
2326         else
2327                 case "$host" in
2328                         powerpc-*-darwin*)
2329                         DTRACEFLAGS="-arch ppc"
2330                         ;;
2331                         i*86-*-darwin*)
2332                         DTRACEFLAGS="-arch i386"
2333                         ;;
2334                         *)
2335                         DTRACEFLAGS=-32
2336                         ;;
2337                 esac
2338         fi
2339         AC_SUBST(DTRACEFLAGS)
2340         case "$host" in
2341                 *-*-solaris*)
2342                 dtrace_g=yes
2343                 ;;
2344         esac
2345         AC_CHECK_HEADERS([sys/sdt.h])
2346 fi
2347 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2348 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2349
2350 dnl **************
2351 dnl ***  NaCl  ***
2352 dnl **************
2353
2354 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2355 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2356
2357 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2358
2359 dnl
2360 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2361 dnl
2362 nacl_self_host=""
2363 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2364    nacl_self_host="nacl_self_host"
2365 fi
2366 AC_SUBST(nacl_self_host)
2367
2368 if test "x$enable_nacl_codegen" = "xyes"; then
2369    MONO_NACL_ALIGN_MASK_OFF=1
2370    AC_DEFINE(TARGET_NACL, 1, [...])
2371    AC_DEFINE(__native_client_codegen__, 1, [...])
2372 else
2373    MONO_NACL_ALIGN_MASK_OFF=0
2374    AC_DEFINE(__default_codegen__, 1, [...])
2375 fi
2376 if test "x$enable_nacl_gc" = "xyes"; then
2377    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2378       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2379    else
2380       # Not yet implemented
2381       INSTRUMENT_CFLAG=""
2382    fi
2383    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2384 fi
2385 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2386
2387 dnl **************
2388 dnl ***  LLVM  ***
2389 dnl **************
2390
2391 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2392 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2393 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2394
2395 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2396
2397 if test "x$enable_llvm" = "xyes"; then
2398    if test "x$with_llvm" != "x"; then
2399           LLVM_CONFIG=$with_llvm/bin/llvm-config
2400           if test ! -x $LLVM_CONFIG; then
2401                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2402       fi
2403    else
2404       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2405       if test "x$LLVM_CONFIG" = "xno"; then
2406              AC_MSG_ERROR([llvm-config not found.])
2407       fi
2408    fi
2409
2410    llvm_codegen="x86codegen"
2411    case "$target" in
2412    arm*)
2413                 llvm_codegen="armcodegen"
2414                 ;;
2415    esac
2416
2417    # The output of --cflags seems to include optimizations flags too
2418    LLVM_CFLAGS=`$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'`
2419    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2420    # from LLVM classes.
2421    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2422    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2423    if test "x$host" != "x$target"; then
2424       # No need for jit libs
2425       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2426    else
2427       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2428    fi
2429    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2430
2431    expected_llvm_version="3.4svn-mono-mono/e656cac"
2432
2433    # Should be something like '2.6' or '2.7svn'
2434    llvm_version=`$LLVM_CONFIG --version`
2435    major_version=`echo $llvm_version | cut -c 1`
2436    minor_version=`echo $llvm_version | cut -c 3`
2437    AC_MSG_CHECKING(LLVM version)
2438    AC_MSG_RESULT($llvm_version)
2439    if echo $llvm_version | grep -q 'mono'; then
2440           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2441           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2442           if test "x$enable_llvm_version_check" == "xyes"; then
2443                  if test "$llvm_version" != "$expected_llvm_version"; then
2444                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2445                  fi
2446           fi
2447    else
2448           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.])
2449    fi
2450
2451    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2452    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2453    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2454
2455    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2456    # llvm's config.h
2457    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2458
2459    AC_SUBST(LLVM_CFLAGS)
2460    AC_SUBST(LLVM_CXXFLAGS)
2461    AC_SUBST(LLVM_LIBS)
2462    AC_SUBST(LLVM_LDFLAGS)
2463    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2464 fi
2465
2466 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2467 if test "x$enable_loadedllvm" = "xyes"; then
2468    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2469 fi
2470 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2471
2472 TARGET="unknown"
2473 ACCESS_UNALIGNED="yes"
2474
2475 JIT_SUPPORTED=no
2476 INTERP_SUPPORTED=no
2477 LIBC="libc.so.6"
2478 INTL="libc.so.6"
2479 SQLITE="libsqlite.so.0"
2480 SQLITE3="libsqlite3.so.0"
2481 X11="libX11.so"
2482
2483 sizeof_register="SIZEOF_VOID_P"
2484
2485 jit_wanted=true
2486 interp_wanted=false
2487 sgen_supported=false
2488 case "$host" in
2489         mips*)
2490                 TARGET=MIPS;
2491                 arch_target=mips;
2492                 sgen_supported=true
2493                 ACCESS_UNALIGNED="no"
2494                 JIT_SUPPORTED=yes
2495
2496                 AC_MSG_CHECKING(for mips n32)
2497                 AC_TRY_COMPILE([],[
2498                 #if _MIPS_SIM != _ABIN32
2499                 #error Not mips n32
2500                 #endif
2501                 return 0;
2502                 ],[
2503                 AC_MSG_RESULT(yes)
2504                 sizeof_register=8
2505                 ],[
2506                 AC_MSG_RESULT(no)
2507                 ])
2508                 ;;
2509         i*86-*-*)
2510                 TARGET=X86;
2511                 arch_target=x86;
2512                 JIT_SUPPORTED=yes
2513                 case $host_os in
2514                   solaris*)
2515                         LIBC="libc.so"
2516                         INTL="libintl.so"
2517                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2518                                 TARGET=AMD64
2519                                 arch_target=amd64
2520                         fi
2521
2522                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2523                         # int astruct __attribute__ ((visibility ("hidden")));
2524                         # void foo ()
2525                         # {
2526                         #       void *p = &astruct;
2527                         # }
2528                         # gcc -fPIC --shared -o libfoo.so foo.c
2529                         # yields:
2530                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2531                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2532                         have_visibility_hidden=no
2533                         sgen_supported=true
2534                         ;;
2535                   mingw*|cygwin*)
2536                         sgen_supported=true
2537                         have_visibility_hidden=no
2538                         ;;
2539                   haiku*)
2540                         LIBC=libroot.so
2541                         ;;
2542                   linux*)
2543                         sgen_supported=true
2544                         AOT_SUPPORTED="yes"
2545                         ;;
2546                   darwin*)
2547                         sgen_supported=true
2548                         AOT_SUPPORTED="yes"
2549                         ;;
2550                   darwin*|openbsd*|freebsd*)
2551                         sgen_supported=true
2552                         ;;
2553                 esac
2554                 ;;
2555         x86_64-*-* | amd64-*-*)
2556                 TARGET=AMD64;
2557                 arch_target=amd64;
2558                 JIT_SUPPORTED=yes
2559                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2560                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2561                         sizeof_register=8
2562                 fi
2563                 case $host_os in
2564                   linux*)
2565                         sgen_supported=true
2566                         AOT_SUPPORTED="yes"
2567                         ;;
2568                   darwin*|openbsd*|freebsd*)
2569                         sgen_supported=true
2570                         ;;
2571                 esac
2572                 case "$host" in
2573                         x86_64-*-nacl*)
2574                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2575                                 sizeof_register=8
2576                                 ;;
2577                 esac
2578                 ;;
2579         ia64-*-*)
2580                 TARGET=IA64
2581                 arch_target=ia64
2582                 ACCESS_UNALIGNED="no"
2583                 JIT_SUPPORTED=yes
2584                 LIBC="libc.so.6.1"
2585                 INTL="libc.so.6.1"
2586                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2587                 libmono_ldflags="-lunwind"
2588                 ;;
2589         sparc*-*-*)
2590                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2591                    TARGET=SPARC64
2592                 else
2593                         TARGET=SPARC
2594                 fi
2595                 arch_target=sparc;
2596                 JIT_SUPPORTED=yes
2597                 ACCESS_UNALIGNED="no"
2598                 case $host_os in
2599                   linux*) ;;
2600                   *)
2601                         LIBC="libc.so"
2602                         INTL="libintl.so"
2603                 esac
2604                 if test x"$GCC" = xyes; then
2605                         # We don't support v8 cpus
2606                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2607                 fi
2608                 if test x"$AR" = xfalse; then
2609                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2610                 fi
2611                 sgen_supported=true
2612                 ;;
2613         *-mingw*|*-*-cygwin*)
2614                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2615                 have_visibility_hidden=no
2616                 INTL="intl"
2617                 ;;
2618         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2619         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2620                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2621                         TARGET=POWERPC64;
2622                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2623                         CFLAGS="$CFLAGS -mminimal-toc"
2624                 else
2625                         TARGET=POWERPC;
2626                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2627                 fi
2628                 arch_target=ppc;
2629                 JIT_SUPPORTED=yes
2630                 case $host_os in
2631                   linux*|darwin*)
2632                         sgen_supported=true
2633                         ;;
2634                 esac
2635                 ;;
2636         arm*-darwin*)
2637                 TARGET=ARM;
2638                 arch_target=arm;
2639                 ACCESS_UNALIGNED="no"
2640                 JIT_SUPPORTED=yes
2641                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2642                 # libgc's gc_locks.h depends on this
2643             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2644                 sgen_supported=true
2645                 ;;
2646         arm*-linux*)
2647                 TARGET=ARM;
2648                 arch_target=arm;
2649                 ACCESS_UNALIGNED="no"
2650                 JIT_SUPPORTED=yes
2651                 sgen_supported=true
2652                 AOT_SUPPORTED="yes"
2653                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2654                 ;;
2655 # TODO: make proper support for NaCl host.
2656 #        arm*-*nacl)
2657 #               TARGET=ARM;
2658 #               arch_target=arm;
2659 #               ACCESS_UNALIGNED="no"
2660 #               JIT_SUPPORTED=yes
2661 #               sgen_supported=true
2662 #               AOT_SUPPORTED="no"
2663 #               ;;
2664         s390x-*-linux*)
2665                 TARGET=S390X;
2666                 arch_target=s390x;
2667                 ACCESS_UNALIGNED="yes"
2668                 JIT_SUPPORTED=yes
2669                 sgen_supported=true
2670                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2671                 ;;
2672 esac
2673
2674 HOST=$TARGET
2675
2676 if test "x$host" != "x$target"; then
2677    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2678    enable_mcs_build=no
2679    case "$target" in
2680    arm*-darwin*)
2681                 TARGET=ARM;
2682                 arch_target=arm;
2683                 ACCESS_UNALIGNED="no"
2684                 JIT_SUPPORTED=yes
2685                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2686                 jit_wanted=true
2687                 # Can't use tls, since it depends on the runtime detection of tls offsets
2688                 # in mono-compiler.h
2689                 with_tls=pthread
2690                 ;;
2691    powerpc64-ps3-linux-gnu)
2692                 TARGET=POWERPC64
2693                 arch_target=powerpc64
2694                 AC_DEFINE(TARGET_PS3, 1, [...])
2695                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2696                 # uses this define
2697                 AC_DEFINE(__mono_ppc64__, 1, [...])
2698                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2699                 sizeof_register=8
2700                 target_byte_order=G_BIG_ENDIAN
2701                 ;;
2702
2703    powerpc64-xbox360-linux-gnu)
2704                 TARGET=POWERPC64
2705                 arch_target=powerpc64
2706                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2707                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2708                 # uses this define
2709                 sizeof_register=8
2710                 target_byte_order=G_BIG_ENDIAN
2711                 ;;
2712    x86_64-*-nacl)
2713                 TARGET=AMD64
2714                 arch_target=amd64
2715                 AC_DEFINE(TARGET_AMD64, 1, [...])
2716                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2717                 sizeof_register=8
2718                 ;;
2719 # TODO: make proper support for NaCl target.
2720 #   arm*-*nacl)
2721 #               TARGET=ARM
2722 #               arch_target=arm
2723 #               AC_DEFINE(TARGET_ARM, 1, [...])
2724 #               ACCESS_UNALIGNED="no"
2725 #               JIT_SUPPORTED=yes
2726 #               sizeof_register=4
2727 #               CPPFLAGS="$CPPFLAGS \
2728 #                    -D__ARM_EABI__ \
2729 #                    -D__arm__ \
2730 #                    -D__portable_native_client__ \
2731 #                    -Dtimezone=_timezone \
2732 #                    -DDISABLE_SOCKETS \
2733 #                    -DDISABLE_ATTACH \
2734 #                    -DUSE_NEWLIB"
2735 #               jit_wanted=true
2736                 # Can't use tls, since it depends on the runtime detection of tls offsets
2737                 # in mono-compiler.h
2738 #               with_tls=pthread
2739 #               ;;
2740    i686-*-nacl)
2741                 TARGET=X86
2742                 arch_target=x86
2743                 AC_DEFINE(TARGET_X86, 1, [...])
2744                 sizeof_register=4
2745                 ;;
2746    arm*-linux-*)
2747                 TARGET=ARM;
2748                 arch_target=arm;
2749                 AC_DEFINE(TARGET_ARM, 1, [...])
2750                 ACCESS_UNALIGNED="no"
2751                 JIT_SUPPORTED=yes
2752                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2753                 jit_wanted=true
2754                 # Can't use tls, since it depends on the runtime detection of tls offsets
2755                 # in mono-compiler.h
2756                 with_tls=pthread
2757                 target_mach=no
2758                 case "$target" in
2759                 armv7l-unknown-linux-gnueabi*)
2760                         # TEGRA
2761                         CPPFLAGS="$CPPFLAGS"
2762                         ;;
2763                 armv5-*-linux-androideabi*)
2764                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2765                         CPPFLAGS="$CPPFLAGS"
2766                         ;;
2767                 esac
2768                 ;;
2769         *)
2770                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2771         esac
2772 fi
2773
2774 case "$TARGET" in
2775 X86)
2776         AC_DEFINE(TARGET_X86, 1, [...])
2777         ;;
2778 AMD64)
2779         AC_DEFINE(TARGET_AMD64, 1, [...])
2780         ;;
2781 ARM)
2782         AC_DEFINE(TARGET_ARM, 1, [...])
2783         ;;
2784 POWERPC)
2785         AC_DEFINE(TARGET_POWERPC, 1, [...])
2786         ;;
2787 POWERPC64)
2788         AC_DEFINE(TARGET_POWERPC, 1, [...])
2789         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2790         ;;
2791 S390X)
2792         AC_DEFINE(TARGET_S390X, 1, [...])
2793         ;;
2794 MIPS)
2795         AC_DEFINE(TARGET_MIPS, 1, [...])
2796         ;;
2797 IA64)
2798         AC_DEFINE(TARGET_IA64, 1, [...])
2799         ;;
2800 SPARC)
2801         AC_DEFINE(TARGET_SPARC, 1, [...])
2802         ;;
2803 SPARC64)
2804         AC_DEFINE(TARGET_SPARC64, 1, [...])
2805         ;;
2806 esac
2807
2808 dnl Use GCC atomic ops if they work on the target.
2809 if test x$GCC = "xyes"; then
2810         case $TARGET in
2811         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2812                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2813                 ;;
2814         esac
2815 fi
2816
2817 if test "x$target_mach" = "xyes"; then
2818    if test "x$TARGET" = "xARM"; then
2819           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2820           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2821           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2822    else
2823        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2824        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2825        #error fail this for ios
2826        #endif
2827        return 0;
2828        ], [
2829                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2830           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2831           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2832        ], [
2833           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2834           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2835           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2836        ])
2837         fi
2838    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2839 fi
2840
2841 if test "x$sizeof_register" = "x4"; then
2842    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2843 elif test "x$sizeof_register" = "x8"; then
2844    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2845 else
2846    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2847 fi
2848
2849 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2850    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2851 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2852    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2853 else
2854    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2855 fi
2856
2857 if test "x$have_visibility_hidden" = "xyes"; then
2858    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2859 fi
2860
2861 if test "x$have_deprecated" = "xyes"; then
2862    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2863 fi
2864
2865 dnl
2866 dnl Simple Generational checks (sgen)
2867 dnl
2868 if $sgen_supported; then
2869    build_sgen_default=yes
2870 else
2871    build_sgen_default=no
2872 fi
2873 SGEN_DEFINES=
2874 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2875 if test x$buildsgen = xyes; then
2876    if $sgen_supported; then
2877        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2878        gc_msg="sgen and $gc_msg"
2879    else
2880        buildsgen=no
2881        AC_MSG_WARN("Sgen is not supported on this platform")
2882    fi
2883 fi
2884 AC_SUBST(SGEN_DEFINES)
2885 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2886
2887 USEJIT=false
2888 if test x$JIT_SUPPORTED = xyes; then
2889    if $jit_wanted; then
2890       USEJIT=true
2891       jit_status="Building and using the JIT"
2892    else
2893       if $interp_wanted; then
2894          jit_status="Building the JIT, defaulting to the interpreter"
2895       else
2896          AC_ERROR(No JIT or interpreter support available or selected.)
2897       fi
2898    fi
2899 else
2900    if test x$interp_wanted = xtrue; then
2901       jit_status="interpreter"
2902    else
2903       AC_ERROR(No JIT or interpreter support available or selected.)
2904    fi
2905 fi
2906
2907 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2908
2909 libsuffix=".so"
2910
2911 case "$host" in
2912      *-*-darwin*)
2913         libsuffix=".dylib"
2914         LIBC="libc.dylib"
2915         INTL="libintl.dylib"
2916         SQLITE="libsqlite.0.dylib"
2917         SQLITE3="libsqlite3.0.dylib"
2918         X11="libX11.dylib"
2919         ;;
2920      *-*-*netbsd*)
2921         LIBC="libc.so.12"
2922         INTL="libintl.so.0"
2923         ;;
2924     *-*-*freebsd*)
2925         LIBC="libc.so"
2926         INTL="libintl.so"
2927         SQLITE="libsqlite.so"
2928         SQLITE3="libsqlite3.so"
2929         ;;
2930     *-*-*openbsd*)
2931         LIBC="libc.so"
2932         INTL="libintl.so"
2933         SQLITE="libsqlite.so"
2934         SQLITE3="libsqlite3.so"
2935         ;;
2936     *-*-*linux*)
2937         AC_PATH_X
2938         AC_MSG_CHECKING(for the soname of libX11.so)
2939         for i in $x_libraries /usr/lib /usr/lib64; do
2940                 for r in 4 5 6; do
2941                         if test -f $i/libX11.so.$r; then
2942                                 X11=libX11.so.$r
2943                                 AC_MSG_RESULT($X11)
2944                         fi
2945                 done
2946         done
2947
2948         if test "x$X11" = "xlibX11.so"; then
2949                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2950                 X11=libX11.so.6
2951         fi
2952         ;;
2953 esac
2954
2955
2956 AC_SUBST(libsuffix)
2957
2958 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2959         if test "x$with_tls" = "x__thread"; then
2960                 #
2961                 # On some linux distributions, TLS works in executables, but linking
2962                 # against a shared library containing TLS fails with:
2963                 # undefined reference to `__tls_get_addr'
2964                 #
2965                 rm -f conftest.c conftest.so conftest
2966                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2967                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2968                 $CC -o conftest conftest.so > /dev/null 2>&1
2969                 if test ! -f conftest; then
2970                    AC_MSG_WARN([Disabling usage of __thread.]);
2971                    with_tls=pthread
2972                 fi
2973                 rm -f conftest.c conftest.so conftest
2974         fi
2975 fi
2976
2977 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2978 if test "x$icall_symbol_map" = "xyes"; then
2979    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2980 fi
2981
2982 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2983 if test "x$icall_export" = "xyes"; then
2984    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2985 fi
2986
2987 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2988 if test "x$icall_tables" = "xno"; then
2989    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2990 fi
2991
2992 if test "x$with_tls" = "x__thread"; then
2993         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2994         # Pass the information to libgc
2995         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2996         AC_MSG_CHECKING(if the tls_model attribute is supported)
2997         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2998                 ], [
2999                         AC_MSG_RESULT(yes)
3000                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3001                 ], [
3002                         AC_MSG_RESULT(no)
3003         ])
3004 fi
3005
3006 if test ${TARGET} = ARM; then
3007         dnl ******************************************
3008         dnl *** Check to see what FPU is available ***
3009         dnl ******************************************
3010         AC_MSG_CHECKING(which FPU to use)
3011
3012         #
3013         # This is a bit tricky:
3014         #
3015         # if (__ARM_PCS_VFP) {
3016         #       /* mfloat-abi=hard == VFP with hard ABI */
3017         # } elif (!__SOFTFP__) {
3018         #       /* mfloat-abi=softfp == VFP with soft ABI */
3019         # } else {
3020         #       /* mfloat-abi=soft == no VFP */
3021         # }
3022         #
3023         # The exception is iOS (w/ GCC) where none of the above
3024         # are defined (but iOS always uses the 'softfp' ABI).
3025         #
3026         # No support for FPA.
3027         #
3028
3029         fpu=NONE
3030
3031         # iOS GCC always uses the 'softfp' ABI.
3032         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3033                 fpu=VFP
3034         fi
3035
3036         # Are we using the 'hard' ABI?
3037         if test x$fpu = xNONE; then
3038                 AC_TRY_COMPILE([], [
3039                         #ifndef __ARM_PCS_VFP
3040                         #error "Float ABI is not 'hard'"
3041                         #endif
3042                         return 0;
3043                 ], [
3044                         fpu=VFP_HARD
3045                 ], [
3046                         fpu=NONE
3047                 ])
3048         fi
3049
3050         # No 'hard' ABI. 'soft' or 'softfp'?
3051         if test x$fpu = xNONE; then
3052                 AC_TRY_COMPILE([], [
3053                         #ifdef __SOFTFP__
3054                         #error "Float ABI is not 'softfp'"
3055                         #endif
3056                         return 0;
3057                 ], [
3058                         fpu=VFP
3059                 ], [
3060                         fpu=NONE
3061                 ])
3062         fi
3063
3064         AC_MSG_RESULT($fpu)
3065         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3066         unset fpu
3067
3068         dnl *********************************************
3069         dnl *** Check which ARM version(s) we can use ***
3070         dnl *********************************************
3071         AC_MSG_CHECKING(which ARM version to use)
3072
3073         AC_TRY_COMPILE([], [
3074                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3075                 #error Not on ARM v5.
3076                 #endif
3077                 return 0;
3078         ], [
3079                 arm_v5=yes
3080
3081                 arm_ver=ARMv5
3082         ], [])
3083
3084         AC_TRY_COMPILE([], [
3085                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3086                 #error Not on ARM v6.
3087                 #endif
3088                 return 0;
3089         ], [
3090                 arm_v5=yes
3091                 arm_v6=yes
3092
3093                 arm_ver=ARMv6
3094         ], [])
3095
3096         AC_TRY_COMPILE([], [
3097                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3098                 #error Not on ARM v7.
3099                 #endif
3100                 return 0;
3101         ], [
3102                 arm_v5=yes
3103                 arm_v6=yes
3104                 arm_v7=yes
3105
3106                 arm_ver=ARMv7
3107         ], [])
3108
3109         AC_MSG_RESULT($arm_ver)
3110
3111         if test x$arm_v5 = xyes; then
3112                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3113                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3114         fi
3115
3116         if test x$arm_v6 = xyes; then
3117                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3118                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3119         fi
3120
3121         if test x$arm_v7 = xyes; then
3122                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3123                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3124         fi
3125 fi
3126
3127 if test ${TARGET} = ARM; then
3128         if test "x${with_jumptables}" = "xyes"; then
3129                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3130         fi
3131 fi
3132
3133 if test ${TARGET} = unknown; then
3134         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3135         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3136 fi
3137
3138 if test ${ACCESS_UNALIGNED} = no; then
3139         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3140 fi
3141
3142 case "x$gc" in
3143         xincluded)
3144                 # Pass CPPFLAGS to libgc configure
3145                 # We should use a separate variable for this to avoid passing useless and
3146                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3147                 # This should be executed late so we pick up the final version of CPPFLAGS
3148                 # The problem with this approach, is that during a reconfigure, the main
3149                 # configure scripts gets invoked with these arguments, so we use separate
3150                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3151                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3152                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3153                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3154                 fi
3155                 # Don't pass -finstrument-for-thread-suspension in,
3156                 # if these are instrumented it will be very bad news
3157                 # (infinite recursion, undefined parking behavior, etc)
3158                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3159                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3160                 AC_CONFIG_SUBDIRS(libgc)
3161                 ;;
3162 esac
3163
3164 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3165 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3166 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3167 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3168 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3169 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3170
3171 OPROFILE=no
3172 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3173         if test x$with_oprofile != xno; then
3174             oprofile_include=$with_oprofile/include
3175             if test ! -f $oprofile_include/opagent.h; then
3176                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3177                 fi
3178             OPROFILE=yes
3179                 OPROFILE_CFLAGS="-I$oprofile_include"
3180             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3181             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3182         fi
3183 ])
3184
3185 MALLOC_MEMPOOLS=no
3186 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3187         if test x$with_malloc_mempools = xyes; then
3188                 MALLOC_MEMPOOLS=yes
3189                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3190         fi
3191 ])
3192
3193
3194 DISABLE_MCS_DOCS=no
3195 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3196         if test x$with_mcs_docs != xyes; then
3197                 DISABLE_MCS_DOCS=yes
3198         fi
3199 ])
3200 if test x$with_profile4 != xyes; then
3201         DISABLE_MCS_DOCS=yes
3202 fi
3203
3204 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3205         if test x$with_lazy_gc_thread_creation != xno ; then
3206                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3207         fi
3208 ], [with_lazy_gc_thread_creation=no])
3209
3210 AC_CHECK_HEADER([malloc.h],
3211                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3212                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3213
3214 if test x"$GCC" = xyes; then
3215         # Implicit function declarations are not 64 bit safe
3216         # Do this late, since this causes lots of configure tests to fail
3217         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3218         # jay has a lot of implicit declarations
3219         JAY_CFLAGS="-Wno-implicit-function-declaration"
3220 fi
3221
3222 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3223 # instead of libmono-static.a
3224 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3225    LIBMONO_LA=libmini-static.la
3226 else
3227    if test x$buildsgen = xyes; then
3228       LIBMONO_LA=libmonosgen-$API_VER.la
3229    else
3230       LIBMONO_LA=libmonoboehm-$API_VER.la
3231    fi
3232 fi
3233 AC_SUBST(LIBMONO_LA)
3234
3235 dnl
3236 dnl Consistency settings
3237 dnl
3238 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3239    DISABLE_MCS_DOCS=yes
3240    with_profile2=no
3241    with_profile4=no
3242    with_profile4_5=no
3243    with_monodroid=no
3244    with_monotouch=no
3245 fi
3246
3247 if test x$DISABLE_MCS_DOCS = xyes; then
3248    docs_dir=""
3249 else
3250    docs_dir=docs
3251 fi
3252 AC_SUBST(docs_dir)
3253
3254 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3255 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3256
3257 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3258 AC_SUBST(OPROFILE_CFLAGS)
3259 AC_SUBST(OPROFILE_LIBS)
3260
3261 libmono_ldflags="$libmono_ldflags $LIBS"
3262
3263 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3264 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3265 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3266 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3267 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3268 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3269 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3270
3271 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3272 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3273 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3274 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3275 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3276 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3277 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3278 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3279 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3280 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3281 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3282 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3283 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3284 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3285 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3286 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3287
3288 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3289 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3290 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3291
3292 AC_SUBST(LIBC)
3293 AC_SUBST(INTL)
3294 AC_SUBST(SQLITE)
3295 AC_SUBST(SQLITE3)
3296 AC_SUBST(X11)
3297 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3298 AC_SUBST(arch_target)
3299 AC_SUBST(CFLAGS)
3300 AC_SUBST(CPPFLAGS)
3301 AC_SUBST(LDFLAGS)
3302
3303 mono_build_root=`pwd`
3304 AC_SUBST(mono_build_root)
3305
3306 if test x$USEJIT = xtrue; then
3307   mono_runtime=mono/mini/mono
3308 else
3309   mono_runtime=mono/interpreter/mint
3310 fi
3311 AC_SUBST(mono_runtime)
3312
3313 mono_cfg_root=$mono_build_root/runtime
3314 if test x$host_win32 = xyes; then
3315   if test "x$cross_compiling" = "xno"; then
3316     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3317   else
3318     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3319   fi
3320 else
3321   mono_cfg_dir=$mono_cfg_root/etc
3322 fi
3323 AC_SUBST(mono_cfg_dir)
3324
3325 AC_CONFIG_FILES([po/mcs/Makefile.in])
3326
3327 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3328 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3329
3330 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3331 [   depth=../../../..
3332     case $srcdir in
3333     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3334     .) reldir=$depth ;;
3335     *) reldir=$depth/$srcdir ;;
3336     esac
3337     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3338     cd runtime/etc/mono/1.0
3339     rm -f machine.config
3340     $LN_S $reldir/data/net_1_1/machine.config machine.config
3341     cd $depth
3342 ],[LN_S='$LN_S'])
3343
3344 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3345 [   depth=../../../..
3346     case $srcdir in
3347     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3348     .) reldir=$depth ;;
3349     *) reldir=$depth/$srcdir ;;
3350     esac
3351     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3352     cd runtime/etc/mono/2.0
3353     rm -f machine.config
3354     $LN_S $reldir/data/net_2_0/machine.config machine.config
3355     cd $depth
3356 ],[LN_S='$LN_S'])
3357
3358 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3359 [   depth=../../../..
3360     case $srcdir in
3361     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3362     .) reldir=$depth ;;
3363     *) reldir=$depth/$srcdir ;;
3364     esac
3365     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3366     cd runtime/etc/mono/2.0
3367     rm -f web.config
3368     $LN_S $reldir/data/net_2_0/web.config web.config
3369     cd $depth
3370 ],[LN_S='$LN_S'])
3371
3372 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3373 [   depth=../../..
3374     case $srcdir in
3375     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3376     .) reldir=$depth ;;
3377     *) reldir=$depth/$srcdir ;;
3378     esac
3379     $ac_aux_dir/install-sh -d runtime/etc/mono/
3380     cd runtime/etc/mono/
3381     rm -f browscap.ini
3382     $LN_S $reldir/data/browscap.ini browscap.ini
3383     cd $depth
3384 ],[LN_S='$LN_S'])
3385
3386 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3387 [   depth=../../../../..
3388     case $srcdir in
3389     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3390     .) reldir=$depth ;;
3391     *) reldir=$depth/$srcdir ;;
3392     esac
3393     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3394     cd runtime/etc/mono/2.0/Browsers
3395     rm -f Compat.browser
3396     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3397     cd $depth
3398 ],[LN_S='$LN_S'])
3399
3400 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3401 [   depth=../../../../..
3402     case $srcdir in
3403     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3404     .) reldir=$depth ;;
3405     *) reldir=$depth/$srcdir ;;
3406     esac
3407     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3408     cd runtime/etc/mono/4.0/Browsers
3409     rm -f Compat.browser
3410     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3411     cd $depth
3412 ],[LN_S='$LN_S'])
3413
3414 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3415 [   depth=../../../../..
3416     case $srcdir in
3417     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3418     .) reldir=$depth ;;
3419     *) reldir=$depth/$srcdir ;;
3420     esac
3421     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3422     cd runtime/etc/mono/4.5/Browsers
3423     rm -f Compat.browser
3424     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3425     cd $depth
3426 ],[LN_S='$LN_S'])
3427
3428 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3429 [   depth=../../../..
3430     case $srcdir in
3431     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3432     .) reldir=$depth ;;
3433     *) reldir=$depth/$srcdir ;;
3434     esac
3435     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3436     cd runtime/etc/mono/4.0
3437     rm -f machine.config
3438     $LN_S $reldir/data/net_4_0/machine.config machine.config
3439     cd $depth
3440 ],[LN_S='$LN_S'])
3441
3442 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3443 [   depth=../../../..
3444     case $srcdir in
3445     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3446     .) reldir=$depth ;;
3447     *) reldir=$depth/$srcdir ;;
3448     esac
3449     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3450     cd runtime/etc/mono/4.0
3451     rm -f web.config
3452     $LN_S $reldir/data/net_4_0/web.config web.config
3453     cd $depth
3454 ],[LN_S='$LN_S'])
3455
3456 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3457 [   depth=../../../..
3458     case $srcdir in
3459     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3460     .) reldir=$depth ;;
3461     *) reldir=$depth/$srcdir ;;
3462     esac
3463     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3464     cd runtime/etc/mono/4.5
3465     rm -f machine.config
3466     $LN_S $reldir/data/net_4_5/machine.config machine.config
3467     cd $depth
3468 ],[LN_S='$LN_S'])
3469
3470 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3471 [   depth=../../../..
3472     case $srcdir in
3473     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3474     .) reldir=$depth ;;
3475     *) reldir=$depth/$srcdir ;;
3476     esac
3477     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3478     cd runtime/etc/mono/4.5
3479     rm -f web.config
3480     $LN_S $reldir/data/net_4_5/web.config web.config
3481     cd $depth
3482 ],[LN_S='$LN_S'])
3483
3484 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])
3485
3486 AC_OUTPUT([
3487 Makefile
3488 mono-core.spec
3489 mono-uninstalled.pc
3490 scripts/mono-find-provides
3491 scripts/mono-find-requires
3492 mono/Makefile
3493 mono/utils/Makefile
3494 mono/metadata/Makefile
3495 mono/dis/Makefile
3496 mono/cil/Makefile
3497 mono/arch/Makefile
3498 mono/arch/x86/Makefile
3499 mono/arch/amd64/Makefile
3500 mono/arch/ppc/Makefile
3501 mono/arch/sparc/Makefile
3502 mono/arch/s390x/Makefile
3503 mono/arch/arm/Makefile
3504 mono/arch/ia64/Makefile
3505 mono/arch/mips/Makefile
3506 mono/interpreter/Makefile
3507 mono/tests/Makefile
3508 mono/tests/tests-config
3509 mono/tests/assemblyresolve/Makefile
3510 mono/tests/cas/Makefile
3511 mono/tests/cas/assembly/Makefile
3512 mono/tests/cas/demand/Makefile
3513 mono/tests/cas/inheritance/Makefile
3514 mono/tests/cas/linkdemand/Makefile
3515 mono/tests/cas/threads/Makefile
3516 mono/tests/gc-descriptors/Makefile
3517 mono/benchmark/Makefile
3518 mono/monograph/Makefile
3519 mono/io-layer/Makefile
3520 mono/mini/Makefile
3521 mono/profiler/Makefile
3522 m4/Makefile
3523 ikvm-native/Makefile
3524 scripts/Makefile
3525 man/Makefile
3526 docs/Makefile
3527 data/Makefile
3528 data/net_2_0/Makefile
3529 data/net_4_0/Makefile
3530 data/net_4_5/Makefile
3531 data/net_2_0/Browsers/Makefile
3532 data/net_4_0/Browsers/Makefile
3533 data/net_4_5/Browsers/Makefile
3534 data/mint.pc
3535 data/mono-2.pc
3536 data/monosgen-2.pc
3537 data/mono.pc
3538 data/mono-cairo.pc
3539 data/mono-nunit.pc
3540 data/mono-options.pc
3541 data/mono-lineeditor.pc
3542 data/monodoc.pc
3543 data/mono.web.pc
3544 data/dotnet.pc
3545 data/dotnet35.pc
3546 data/wcf.pc
3547 data/cecil.pc
3548 data/system.web.extensions_1.0.pc
3549 data/system.web.extensions.design_1.0.pc
3550 data/system.web.mvc.pc
3551 data/system.web.mvc2.pc
3552 data/system.web.mvc3.pc
3553 data/aspnetwebstack.pc
3554 data/reactive.pc
3555 samples/Makefile
3556 support/Makefile
3557 data/config
3558 tools/Makefile
3559 tools/locale-builder/Makefile
3560 tools/sgen/Makefile
3561 runtime/Makefile
3562 msvc/Makefile
3563 po/Makefile
3564 ])
3565
3566 # Update all submodules recursively to ensure everything is checked out
3567 $srcdir/scripts/update_submodules
3568
3569 if test x$host_win32 = xyes; then
3570    # Get rid of 'cyg' prefixes in library names
3571    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3572    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3573    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3574    # executable doesn't work...
3575    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3576 fi
3577
3578 if test x$platform_darwin = xyes; then
3579    # This doesn't seem to be required and it slows down parallel builds
3580    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3581 fi
3582
3583 (
3584   case $prefix in
3585   NONE) prefix=$ac_default_prefix ;;
3586   esac
3587   case $exec_prefix in
3588   NONE) exec_prefix='${prefix}' ;;
3589   esac
3590
3591   #
3592   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3593   # any existing config.make.  This allows people to share the same source tree
3594   # with different build directories, one native and one cross
3595   #
3596   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3597
3598     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3599
3600     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3601     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3602     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3603     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3604     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3605     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3606     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3607     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3608
3609     case $INSTALL in
3610     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3611     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3612     esac
3613
3614     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3615
3616     export VERSION
3617     [myver=$($AWK 'BEGIN {
3618       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3619       if(length(vsplit [1]) > 4) {
3620         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3621       }
3622       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3623     }')]
3624
3625     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3626
3627     if test x$platform_darwin = xyes; then
3628       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3629     fi
3630
3631         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3632            enable_system_aot=yes
3633         fi
3634
3635         if test "x$enable_loadedllvm" = "xyes"; then
3636            # This seems to fail on the x86 buildbots
3637            enable_system_aot=no
3638         fi
3639
3640     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3641       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3642     fi
3643
3644     if test x$DISABLE_MCS_DOCS = xyes; then
3645       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3646     fi
3647
3648     if test x$has_extension_module != xno; then
3649         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3650     fi
3651
3652         default_profile=net_2_0
3653     if test -z "$INSTALL_4_0_TRUE"; then :
3654                 default_profile=net_4_0
3655     fi
3656     if test -z "$INSTALL_MONODROID_TRUE"; then :
3657                 default_profile=monodroid
3658     fi
3659     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3660                 default_profile=monotouch
3661     fi
3662     if test -z "$INSTALL_4_5_TRUE"; then :
3663                 default_profile=net_4_5
3664     fi
3665
3666     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3667
3668     if test "x$test_bcl_opt" = "xyes"; then
3669       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3670     fi
3671
3672   fi
3673
3674   # if we have an olive folder, override the default settings
3675   if test -d $olivedir; then
3676
3677     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3678
3679       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3680
3681       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3682       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3683       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3684       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3685       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3686       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3687     fi
3688   fi
3689
3690 )
3691
3692 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3693
3694 echo "
3695         mcs source:    $mcsdir
3696
3697    Engine:
3698         GC:            $gc_msg
3699         TLS:           $with_tls
3700         SIGALTSTACK:   $with_sigaltstack
3701         Engine:        $jit_status
3702         oprofile:      $OPROFILE
3703         BigArrays:     $enable_big_arrays
3704         DTrace:        $enable_dtrace
3705         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3706
3707    Libraries:
3708         .NET 2.0/3.5:  $with_profile2
3709         .NET 4.0:      $with_profile4
3710         .NET 4.5:      $with_profile4_5
3711         MonoDroid:     $with_monodroid
3712         MonoTouch:     $with_monotouch
3713         JNI support:   $jdk_headers_found
3714         libgdiplus:    $libgdiplus_msg
3715         zlib:          $zlib_msg
3716         $disabled
3717 "
3718 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3719    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3720 fi