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="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217
 218                 # The configure check can't detect this
 219                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 220
 221                 # to bypass the underscore linker check, can't work when cross-compiling
 222                 mono_cv_uscore=yes
 223                 mono_cv_clang=no
 224                 ;;
 225         *-*-linux*)
 226                 host_win32=no
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 ;;
 241         *-*-nacl*)
 242                 host_win32=no
 243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 244                 if test "x$disable_munmap" != "xyes"; then
 245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 246                 fi
 247                 libmono_cflags="-D_REENTRANT"
 248                 libdl=
 249                 libgc_threads=pthreads
 250                 gc_default=boehm
 251                 use_sigposix=yes
 252                 ikvm_native=no
 253                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 254                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 255                 ;;
 256         *-*-hpux*)
 257                 host_win32=no
 258                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 259                 # +ESdbgasm only valid on bundled cc on RISC
 260                 # silently ignored for ia64
 261                 if test $GCC != "yes"; then
 262                         CFLAGS="$CFLAGS +ESdbgasm"
 263                         # Arrange for run-time dereferencing of null
 264                         # pointers to produce a SIGSEGV signal.
 265                         LDFLAGS="$LDFLAGS -z"
 266                 fi
 267                 CFLAGS="$CFLAGS +ESdbgasm"
 268                 LDFLAGS="$LDFLAGS -z"
 269                 libmono_cflags="-D_REENTRANT"
 270                 libmono_ldflags="-lpthread"
 271                 libgc_threads=pthreads
 272                 need_link_unlink=yes
 273                 use_sigposix=yes
 274                 ;;
 275         *-*-solaris*)
 276                 host_win32=no
 277                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 278                 need_link_unlink=yes
 279                 libmono_cflags="-D_REENTRANT"
 280                 libgc_threads=pthreads
 281                 # This doesn't seem to work on solaris/x86, but the configure test runs
 282                 with_tls=pthread
 283                 has_dtrace=yes
 284                 use_sigposix=yes
 285                 enable_solaris_tar_check=yes
 286                 ;;
 287         *-*-darwin*)
 288                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 289                 host_win32=no
 290                 platform_darwin=yes
 291                 target_mach=yes
 292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 294                 libmono_cflags="-D_THREAD_SAFE"
 295                 need_link_unlink=yes
 296                 AC_DEFINE(PTHREAD_POINTER_ID)
 297                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 298                 no_version_script=yes
 299                 libdl=
 300                 libgc_threads=pthreads
 301                 has_dtrace=yes
 302                 if test "x$cross_compiling" = "xyes"; then
 303                         has_broken_apple_cpp=yes
 304                 fi
 305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 308                 case "$host" in
 309                         dnl Snow Leopard and newer config.guess reports as this
 310                         i*86-*-darwin*)
 311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 312                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 313                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 314                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 315                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 316                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 318                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 321                                 ;;
 322                         x*64-*-darwin*)
 323                                 ;;
 324                         arm*-darwin*)
 325                                 has_dtrace=no
 326                                 ;;
 327                 esac
 328                 ;;
 329         *-*-haiku*)
 330                 host_win32=no
 331                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 332                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 333                 libdl=
 334                 LIBS="$LIBS -lnetwork"
 335                 need_link_unlink=yes
 336                 AC_DEFINE(PTHREAD_POINTER_ID)
 337                 libgc_threads=pthreads
 338                 use_sigposix=yes
 339                 ;;
 340         *)
 341                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 342                 host_win32=no
 343                 libdl="-ldl"
 344                 ;;
 345 esac
 346 AC_MSG_RESULT(ok)
 347
 348 if test x$need_link_unlink = xyes; then
 349    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 350 fi
 351
 352 AC_SUBST(extra_runtime_ldflags)
 353 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 354 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 355 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 356 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 357 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 358 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 359
 360 AC_CHECK_TOOL(CC, gcc, gcc)
 361 AC_PROG_CC
 362 AC_CHECK_TOOL(CXX, g++, g++)
 363 AC_PROG_CXX
 364 AM_PROG_AS
 365 AC_PROG_INSTALL
 366 AC_PROG_AWK
 367 AM_PROG_CC_C_O
 368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 369 : ${CCAS='$(CC)'}
 370 # Set ASFLAGS if not already set.
 371 : ${CCASFLAGS='$(CFLAGS)'}
 372 AC_SUBST(CCAS)
 373 AC_SUBST(CCASFLAGS)
 374
 375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 377 if test "x$CXX" = "xg++"; then
 378         if test "x$GXX" != "xyes"; then
 379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 380                 # are inside automake conditionals
 381                 AC_MSG_ERROR([You need to install g++])
 382         fi
 383 fi
 384
 385 dnl may require a specific autoconf version
 386 dnl AC_PROG_CC_FOR_BUILD
 387 dnl CC_FOR_BUILD not automatically detected
 388 CC_FOR_BUILD=$CC
 389 CFLAGS_FOR_BUILD=$CFLAGS
 390 BUILD_EXEEXT=
 391 if test "x$cross_compiling" = "xyes"; then
 392         CC_FOR_BUILD=cc
 393         CFLAGS_FOR_BUILD=
 394         BUILD_EXEEXT=""
 395 fi
 396 AC_SUBST(CC_FOR_BUILD)
 397 AC_SUBST(CFLAGS_FOR_BUILD)
 398 AC_SUBST(HOST_CC)
 399 AC_SUBST(BUILD_EXEEXT)
 400
 401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 403
 404 # Set STDC_HEADERS
 405 AC_HEADER_STDC
 406 AC_LIBTOOL_WIN32_DLL
 407 # This causes monodis to not link correctly
 408 #AC_DISABLE_FAST_INSTALL
 409 AM_PROG_LIBTOOL
 410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 411 DOLT
 412
 413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 414 AC_SUBST(export_ldflags)
 415
 416 # Test whenever ld supports -version-script
 417 AC_PROG_LD
 418 AC_PROG_LD_GNU
 419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 420    no_version_script=yes
 421 fi
 422
 423 AM_ICONV()
 424
 425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 426
 427 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)
 428 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)
 429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 430                   [], [], [#include <stddef.h>
 431                   #include <sys/socket.h>
 432                   #include <linux/socket.h>])
 433
 434 AC_CHECK_HEADERS(sys/user.h, [], [],
 435 [
 436 #ifdef HAVE_SYS_PARAM_H
 437 # include <sys/param.h>
 438 #endif
 439 ])
 440
 441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 442 if test x$have_zlib = xyes; then
 443    AC_TRY_COMPILE([#include <zlib.h>], [
 444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 445    return 0;
 446    #else
 447    #error No good zlib found
 448    #endif
 449    ],[
 450         AC_MSG_RESULT(Using system zlib)
 451         zlib_msg="system zlib"
 452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 453    ],[
 454         AC_MSG_RESULT(Using embedded zlib)
 455         have_zlib=no
 456         zlib_msg="bundled zlib"
 457    ])
 458 fi
 459
 460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 462
 463 # for mono/metadata/debug-symfile.c
 464 AC_CHECK_HEADERS(elf.h)
 465
 466 # for support
 467 AC_CHECK_HEADERS(poll.h)
 468 AC_CHECK_HEADERS(sys/poll.h)
 469 AC_CHECK_HEADERS(sys/wait.h)
 470 AC_CHECK_HEADERS(grp.h)
 471 AC_CHECK_HEADERS(syslog.h)
 472
 473 # for mono/dis
 474 AC_CHECK_HEADERS(wchar.h)
 475 AC_CHECK_HEADERS(ieeefp.h)
 476 AC_MSG_CHECKING(for isinf)
 477 AC_TRY_LINK([#include <math.h>], [
 478         int f = isinf (1);
 479 ], [
 480         AC_MSG_RESULT(yes)
 481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 482 ], [
 483         # We'll have to use signals
 484         AC_MSG_RESULT(no)
 485 ])
 486 # mingw
 487 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 488         AC_TRY_LINK([#include <math.h>],
 489         [ _finite(0.0); ],
 490         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 491         AC_MSG_RESULT(no)))
 492
 493 # for Linux statfs support
 494 AC_CHECK_HEADERS(linux/magic.h)
 495
 496 # not 64 bit clean in cross-compile
 497 AC_CHECK_SIZEOF(void *, 4)
 498
 499 AC_CACHE_CHECK([for clang],
 500         mono_cv_clang,[
 501         AC_TRY_COMPILE([], [
 502                 #ifdef __clang__
 503                 #else
 504                 #error "FAILED"
 505                 #endif
 506                 return 0;
 507         ],
 508         [mono_cv_clang=yes],
 509         [mono_cv_clang=no],
 510         [])
 511 ])
 512
 513 WARN=''
 514 if test x"$GCC" = xyes; then
 515         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 516                 # The runtime code does not respect ANSI C strict aliasing rules
 517                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 518
 519                 ORIG_CFLAGS=$CFLAGS
 520                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 521                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 522                 AC_TRY_COMPILE([],[
 523                                 return 0;
 524                 ], [
 525                    AC_MSG_RESULT(yes)
 526                 ], [
 527                    AC_MSG_RESULT(no)
 528                    CFLAGS=$ORIG_CFLAGS
 529                 ])
 530
 531                 ORIG_CFLAGS=$CFLAGS
 532                 # Check for the normal version, since gcc ignores unknown -Wno options
 533                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 534                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 535                 AC_TRY_COMPILE([],[
 536                                 return 0;
 537                 ], [
 538                    AC_MSG_RESULT(yes)
 539                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 540                 ], [
 541                    AC_MSG_RESULT(no)
 542                    CFLAGS=$ORIG_CFLAGS
 543                 ])
 544
 545                 if test "x$mono_cv_clang" = "xyes"; then
 546                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 547                    WARN="$WARN -Qunused-arguments"
 548                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare"
 549                 fi
 550 else
 551         # The Sun Forte compiler complains about inline functions that access static variables
 552         # so disable all inlining.
 553         case "$host" in
 554         *-*-solaris*)
 555                 CFLAGS="$CFLAGS -Dinline="
 556                 ;;
 557         esac
 558 fi
 559 CFLAGS="$CFLAGS -g $WARN"
 560 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 561
 562 # Where's the 'mcs' source tree?
 563 if test -d $srcdir/mcs; then
 564   mcsdir=mcs
 565 else
 566   mcsdir=../mcs
 567 fi
 568
 569 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 570         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 571                 mcsdir=$with_mcs_path
 572         fi
 573 )
 574
 575 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 576
 577 #
 578 # A sanity check to catch cases where the package was unpacked
 579 # with an ancient tar program (Solaris)
 580 #
 581 AC_ARG_ENABLE(solaris-tar-check,
 582 [  --disable-solaris-tar-check    disable solaris tar check],
 583    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 584
 585 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 586         AC_MSG_CHECKING(integrity of package)
 587         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 588         then
 589                 AC_MSG_RESULT(ok)
 590         else
 591                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 592                 AC_MSG_ERROR([$errorm])
 593         fi
 594 fi
 595
 596 if test "x$with_mcs_path" != "x"; then
 597 mcs_topdir=$(cd "$mcsdir" && pwd)
 598 mcs_topdir_from_srcdir=$mcs_topdir
 599 else
 600 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 601 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 602 fi
 603
 604 # Convert mcs_topdir* paths to Windows syntax.
 605 if test x$cross_compiling$host_win32 = xnoyes; then
 606   mcs_topdir=$(cygpath -m $mcs_topdir)
 607   case $mcs_topdir_from_srcdir in
 608     /cygdrive/*)
 609         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 610         ;;
 611   esac
 612 fi
 613
 614 AC_SUBST([mcs_topdir])
 615 AC_SUBST([mcs_topdir_from_srcdir])
 616
 617 # Where's the 'olive' source tree?
 618 if test -d $srcdir/olive; then
 619   olivedir=olive
 620 else
 621   olivedir=../olive
 622 fi
 623
 624 if test -d $srcdir/$olivedir; then
 625 olive_topdir='$(top_srcdir)/'$olivedir
 626 fi
 627
 628 # gettext: prepare the translation directories.
 629 # we do not configure the full gettext, as we consume it dynamically from C#
 630 AM_PO_SUBDIRS
 631
 632 if test "x$USE_NLS" = "xyes"; then
 633    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 634
 635    if test "x$HAVE_MSGFMT" = "xno"; then
 636           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 637    fi
 638 fi
 639
 640 AC_ARG_WITH([libgdiplus],
 641         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 642         [], [with_libgdiplus=installed])
 643
 644 case $with_libgdiplus in
 645 no|installed) libgdiplus_loc= ;;
 646 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 647 /*) libgdiplus_loc=$with_libgdiplus ;;
 648 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 649 esac
 650 AC_SUBST([libgdiplus_loc])
 651
 652 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 653
 654 pkg_config_path=
 655 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 656         if test x$with_crosspkgdir = "x"; then
 657                 if test -s $PKG_CONFIG_PATH; then
 658                         pkg_config_path=$PKG_CONFIG_PATH
 659                 fi
 660         else
 661                 pkg_config_path=$with_crosspkgdir
 662                 PKG_CONFIG_PATH=$pkg_config_path
 663                 export PKG_CONFIG_PATH
 664         fi
 665 )
 666
 667 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 668 AC_CONFIG_SUBDIRS(eglib)
 669
 670 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 671 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 672 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 673 BUILD_GLIB_LIBS="$GLIB_LIBS"
 674 GMODULE_CFLAGS="$GLIB_CFLAGS"
 675 GMODULE_LIBS="$GLIB_LIBS"
 676
 677 AC_SUBST(GLIB_CFLAGS)
 678 AC_SUBST(GLIB_LIBS)
 679 AC_SUBST(GMODULE_CFLAGS)
 680 AC_SUBST(GMODULE_LIBS)
 681 AC_SUBST(BUILD_GLIB_CFLAGS)
 682 AC_SUBST(BUILD_GLIB_LIBS)
 683
 684 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 685
 686 # Enable support for fast thread-local storage
 687 # Some systems have broken support, so we allow to disable it.
 688 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 689
 690 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 691 # This does not work on some platforms (bug #55253)
 692 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 693
 694 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 695 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 696 # Same as --with-shared_mono=no
 697 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 698
 699 if test "x$enable_static" = "xno"; then
 700    with_static_mono=no
 701 fi
 702
 703 if test "x$enable_shared" = "xno"; then
 704    with_shared_mono=no
 705 fi
 706
 707 if test "x$enable_libraries" = "xno"; then
 708    with_shared_mono=no
 709 fi
 710
 711 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 712
 713 case $host in
 714 *nacl* ) with_shared_mono=yes;;
 715 esac
 716
 717 if test "x$host_win32" = "xyes"; then
 718    # Boehm GC requires the runtime to be in its own dll
 719    with_static_mono=no
 720 fi
 721
 722 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 723 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 724 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 725
 726 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 727 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 728         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 729         ORIG_CFLAGS=$CFLAGS
 730         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 731         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 732         AC_TRY_COMPILE([], [
 733                 return 0;
 734         ], [
 735            AC_MSG_RESULT(yes)
 736            # Pass it to libgc as well
 737            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 738         ], [
 739            AC_MSG_RESULT(no)
 740            CFLAGS=$ORIG_CFLAGS
 741         ])
 742 fi
 743
 744 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 745
 746 if test x$enable_small_config = xyes; then
 747         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 748         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 749 fi
 750
 751 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=$enableval, enable_system_aot=default)
 752
 753 DISABLED_FEATURES=none
 754
 755 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 756      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 757      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 758          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 759 [
 760         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 761                 eval "mono_feature_disable_$feature='yes'"
 762         done
 763         DISABLED_FEATURES=$enable_minimal
 764         disabled="Disabled:      $enable_minimal"
 765 ],[])
 766
 767 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 768
 769 if test "x$mono_feature_disable_aot" = "xyes"; then
 770         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 771         AC_MSG_NOTICE([Disabled AOT compiler])
 772 fi
 773
 774 if test "x$mono_feature_disable_profiler" = "xyes"; then
 775         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 776         AC_MSG_NOTICE([Disabled support for the profiler])
 777 fi
 778 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 779
 780 if test "x$mono_feature_disable_decimal" = "xyes"; then
 781         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 782         AC_MSG_NOTICE([Disabled support for decimal])
 783 fi
 784
 785 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 786         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 787         AC_MSG_NOTICE([Disabled support for P/Invoke])
 788 fi
 789
 790 if test "x$mono_feature_disable_debug" = "xyes"; then
 791         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 792         AC_MSG_NOTICE([Disabled support for runtime debugging])
 793 fi
 794
 795 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 796         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 797         mono_feature_disable_reflection_emit_save=yes
 798         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 799 fi
 800
 801 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 802         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 803         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 804 fi
 805
 806 if test "x$mono_feature_disable_large_code" = "xyes"; then
 807         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 808         AC_MSG_NOTICE([Disabled support for large assemblies])
 809 fi
 810
 811 if test "x$mono_feature_disable_logging" = "xyes"; then
 812         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 813         AC_MSG_NOTICE([Disabled support for logging])
 814 fi
 815
 816 if test "x$mono_feature_disable_com" = "xyes"; then
 817         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 818         AC_MSG_NOTICE([Disabled COM support])
 819 fi
 820
 821 if test "x$mono_feature_disable_ssa" = "xyes"; then
 822         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 823         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 824 fi
 825
 826 if test "x$mono_feature_disable_generics" = "xyes"; then
 827         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 828         AC_MSG_NOTICE([Disabled Generics Support])
 829 fi
 830
 831 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 832         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 833         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 834 fi
 835
 836 if test "x$mono_feature_disable_portability" = "xyes"; then
 837         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 838         AC_MSG_NOTICE([Disabled IO Portability layer])
 839 fi
 840
 841 if test "x$mono_feature_disable_attach" = "xyes"; then
 842         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 843         AC_MSG_NOTICE([Disabled agent attach])
 844 fi
 845
 846 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 847         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 848         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 849 fi
 850
 851 if test "x$mono_feature_disable_verifier" = "xyes"; then
 852         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 853         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 854 fi
 855
 856 if test "x$mono_feature_disable_jit" = "xyes"; then
 857         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 858         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 859 fi
 860
 861 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 862
 863 if test "x$mono_feature_disable_simd" = "xyes"; then
 864         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 865         AC_MSG_NOTICE([Disabled SIMD support])
 866 fi
 867
 868 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 869         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 870         AC_MSG_NOTICE([Disabled Soft Debugger.])
 871 fi
 872
 873 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 874         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 875         AC_MSG_NOTICE([Disabled Performance Counters.])
 876 fi
 877 if test "x$mono_feature_disable_normalization" = "xyes"; then
 878         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 879         AC_MSG_NOTICE([Disabled String normalization support.])
 880 fi
 881
 882 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 883         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 884         AC_MSG_NOTICE([Disabled Assembly remapping.])
 885 fi
 886
 887 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 888         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 889         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 890 fi
 891
 892 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 893         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 894         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 895 fi
 896
 897 if test "x$mono_feature_disable_remoting" = "xyes"; then
 898         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 899         AC_MSG_NOTICE([Disabled remoting])
 900 fi
 901
 902 if test "x$mono_feature_disable_security" = "xyes"; then
 903         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 904         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 905 fi
 906
 907 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 908         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 909         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 910 fi
 911
 912 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 913         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 914         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 915 fi
 916
 917 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 918         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 919         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 920 fi
 921
 922 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 923         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 924         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 925 fi
 926
 927 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 928         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 929         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 930 fi
 931
 932 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 933 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 934
 935 has_extension_module=no
 936 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 937 [
 938         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 939                 if test x$extension = xdefault ; then
 940                         has_extension_module=yes;
 941                 fi
 942         done
 943         if test x$enable_extension_module = xyes; then
 944                 has_extension_module=yes;
 945         fi
 946 ], [])
 947
 948 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 949
 950 if test x$has_extension_module != xno ; then
 951         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 952         AC_MSG_NOTICE([Enabling mono extension module.])
 953 fi
 954
 955 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 956 if test x$enable_gsharing = xyes; then
 957         AC_DEFINE(MONO_GSHARING,1,[Gsharing])
 958 fi
 959
 960 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 961 if test x$enable_native_types = xyes; then
 962         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 963 fi
 964
 965 AC_MSG_CHECKING(for visibility __attribute__)
 966 AC_COMPILE_IFELSE([
 967         AC_LANG_SOURCE([[
 968                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 969                 int main () { doit (); return 0; }
 970         ]])
 971 ], [
 972    have_visibility_hidden=yes
 973    AC_MSG_RESULT(yes)
 974 ], [
 975    have_visibility_hidden=no
 976    AC_MSG_RESULT(no)
 977 ])
 978
 979 AC_MSG_CHECKING(for deprecated __attribute__)
 980 AC_TRY_COMPILE([
 981      int doit (void) __attribute__ ((deprecated));
 982      int doit (void) { return 0; }
 983 ], [
 984         return 0;
 985 ], [
 986    have_deprecated=yes
 987    AC_MSG_RESULT(yes)
 988 ], [
 989    have_deprecated=no
 990    AC_MSG_RESULT(no)
 991 ])
 992
 993 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 994 if test x$enable_parallel_mark = xyes; then
 995         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 996 fi
 997
 998 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 999 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1000
1001 dnl
1002 dnl Boehm GC configuration
1003 dnl
1004 LIBGC_CPPFLAGS=
1005 LIBGC_LIBS=
1006 LIBGC_STATIC_LIBS=
1007 libgc_dir=
1008 case "x$gc" in
1009         xboehm|xbohem|xyes)
1010                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1011                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1012
1013                 if test "x$found_boehm" != "xyes"; then
1014                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1015                 fi
1016                 if test "x$gc_headers" != "xyes"; then
1017                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1018                 fi
1019
1020                 LIBGC_LIBS="-lgc $libdl"
1021                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1022                 libmono_ldflags="$libmono_ldflags -lgc"
1023                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1024
1025                 # AC_CHECK_FUNCS does not work for some reason...
1026                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1027                 if test "x$found_gcj_malloc" = "xyes"; then
1028                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1029                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1030                         gc_msg="System Boehm with typed GC"
1031                 else
1032                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1033                         gc_msg="System Boehm (without typed GC)"
1034                 fi
1035                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1036                 if test "x$found_gc_enable" = "xyes"; then
1037                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1038                 fi
1039
1040                 # check whether we need to explicitly allow
1041                 # thread registering
1042                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1043                 if test "x$found_allow_register_threads" = "xyes"; then
1044                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1045                 fi
1046
1047                 ;;
1048
1049         xincluded)
1050                 use_included_gc=yes
1051                 libgc_dir=libgc
1052
1053                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1054                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1055                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1056
1057                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1058
1059                 if test x$target_win32 = xyes; then
1060                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1061                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1062                 fi
1063
1064                 gc_msg="bundled Boehm GC with typed GC"
1065                 if test x$enable_parallel_mark = xyes; then
1066                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1067                         gc_msg="$gc_msg and parallel mark"
1068                 else
1069                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1070                 fi
1071                 ;;
1072
1073         xsgen)
1074                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1075                 ;;
1076
1077         xnone)
1078                 AC_MSG_WARN("Compiling mono without GC.")
1079                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1080                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1081                 ;;
1082         *)
1083                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1084                 ;;
1085 esac
1086
1087 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1088 if test "x$large_heap" = "xyes"; then
1089    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1090 fi
1091
1092 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1093 AC_SUBST(LIBGC_CPPFLAGS)
1094 AC_SUBST(LIBGC_LIBS)
1095 AC_SUBST(LIBGC_STATIC_LIBS)
1096 AC_SUBST(libgc_dir)
1097 AC_SUBST(BOEHM_DEFINES)
1098
1099 dnl
1100 dnl End of libgc checks
1101 dnl
1102
1103 dnl *************************************
1104 dnl *** Checks for zero length arrays ***
1105 dnl *************************************
1106 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1107 AC_TRY_COMPILE([
1108         struct s {
1109                 int  length;
1110                 char data [0];
1111         };
1112 ], [], [
1113         AC_MSG_RESULT(yes)
1114         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1115 ], [
1116         AC_MSG_RESULT(no)
1117         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1118 ])
1119
1120 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1121
1122 if test x$target_win32 = xno; then
1123
1124         dnl hires monotonic clock support
1125         AC_SEARCH_LIBS(clock_gettime, rt)
1126
1127         dnl dynamic loader support
1128         AC_CHECK_FUNC(dlopen, DL_LIB="",
1129                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1130         )
1131         if test x$dl_support = xno; then
1132                 AC_MSG_WARN([No dynamic loading support available])
1133         else
1134                 LIBS="$LIBS $DL_LIB"
1135                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1136                 dnl from glib's configure.in
1137                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1138                         mono_cv_uscore,[
1139                         AC_TRY_RUN([#include <dlfcn.h>
1140                         int mono_underscore_test (void) { return 42; }
1141                         int main() {
1142                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1143                           handle = dlopen ((void*)0, 0);
1144                           if (handle) {
1145                             f1 = dlsym (handle, "mono_underscore_test");
1146                             f2 = dlsym (handle, "_mono_underscore_test");
1147                           } return (!f2 || f1);
1148                         }],
1149                                 [mono_cv_uscore=yes],
1150                                 [mono_cv_uscore=no],
1151                         [])
1152                 ])
1153                 if test "x$mono_cv_uscore" = "xyes"; then
1154                         MONO_DL_NEED_USCORE=1
1155                 else
1156                         MONO_DL_NEED_USCORE=0
1157                 fi
1158                 AC_SUBST(MONO_DL_NEED_USCORE)
1159                 AC_CHECK_FUNC(dlerror)
1160         fi
1161
1162         dnl ******************************************************************
1163         dnl *** Checks for the IKVM JNI interface library                  ***
1164         dnl ******************************************************************
1165         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])
1166
1167         ikvm_native_dir=
1168         if test x$with_ikvm_native = xyes; then
1169                 ikvm_native_dir=ikvm-native
1170                 jdk_headers_found="IKVM Native"
1171         fi
1172
1173         AC_SUBST(ikvm_native_dir)
1174
1175         AC_CHECK_HEADERS(execinfo.h)
1176
1177         AC_CHECK_HEADERS(sys/auxv.h)
1178
1179         AC_CHECK_FUNCS(getgrgid_r)
1180         AC_CHECK_FUNCS(getgrnam_r)
1181         AC_CHECK_FUNCS(getpwnam_r)
1182         AC_CHECK_FUNCS(getpwuid_r)
1183         AC_CHECK_FUNCS(getresuid)
1184         AC_CHECK_FUNCS(setresuid)
1185         AC_CHECK_FUNCS(kqueue)
1186         AC_CHECK_FUNCS(backtrace_symbols)
1187         AC_CHECK_FUNCS(mkstemp)
1188         AC_CHECK_FUNCS(mmap)
1189         AC_CHECK_FUNCS(madvise)
1190         AC_CHECK_FUNCS(getrusage)
1191         AC_CHECK_FUNCS(getpriority)
1192         AC_CHECK_FUNCS(setpriority)
1193         AC_CHECK_FUNCS(dl_iterate_phdr)
1194         AC_CHECK_FUNCS(dladdr)
1195         AC_CHECK_FUNCS(sysconf)
1196
1197         AC_CHECK_FUNCS(sched_setaffinity)
1198         AC_CHECK_FUNCS(sched_getcpu)
1199
1200         dnl ****************************************************************
1201         dnl *** Check for sched_setaffinity from glibc versions before   ***
1202         dnl *** 2.3.4. The older versions of the function only take 2    ***
1203         dnl *** parameters, not 3.                                       ***
1204         dnl ***                                                          ***
1205         dnl *** Because the interface change was not made in a minor     ***
1206         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1207         dnl *** won't always indicate the interface sched_affinity has.  ***
1208         dnl ****************************************************************
1209         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1210         AC_TRY_COMPILE([#include <sched.h>], [
1211             int mask = 1;
1212             sched_setaffinity(0, &mask);
1213                         return 0;
1214         ], [
1215                 # Yes, we have it...
1216                 AC_MSG_RESULT(yes)
1217                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1218         ], [
1219                 # We have the new, three-parameter version
1220                 AC_MSG_RESULT(no)
1221         ])
1222
1223
1224         dnl ******************************************************************
1225         dnl *** Check for large file support                               ***
1226         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1227         dnl ******************************************************************
1228
1229         # Check that off_t can represent 2**63 - 1 correctly, working around
1230         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1231         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1232         large_offt=no
1233         AC_DEFUN([LARGE_FILES], [
1234                 large_CPPFLAGS=$CPPFLAGS
1235                 CPPFLAGS="$CPPFLAGS $1"
1236                 AC_TRY_COMPILE([
1237                         #include <sys/types.h>
1238                         #include <limits.h>
1239                 ], [
1240                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1241                         #define COMPILE_TIME_ASSERT(pred) \
1242                                 switch(0){case 0:case pred:;}
1243                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1244                 ], [
1245                         AC_MSG_RESULT(ok)
1246                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1247                         large_CPPFLAGS="$large_CPPFLAGS $1"
1248                         large_offt=yes
1249                 ], [
1250                         AC_MSG_RESULT(no)
1251                 ])
1252                 CPPFLAGS=$large_CPPFLAGS
1253         ])
1254
1255         AC_MSG_CHECKING(if off_t is 64 bits wide)
1256         LARGE_FILES("")
1257         if test $large_offt = no; then
1258                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1259                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1260         fi
1261         if test $large_offt = no; then
1262                 AC_MSG_WARN([No 64 bit file size support available])
1263         fi
1264
1265         dnl *****************************
1266         dnl *** Checks for libsocket  ***
1267         dnl *****************************
1268         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1269
1270         case "$host" in
1271                 *-*-*freebsd*)
1272                         dnl *****************************
1273                         dnl *** Checks for libinotify ***
1274                         dnl *****************************
1275                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1276         esac
1277
1278         dnl *******************************
1279         dnl *** Checks for MSG_NOSIGNAL ***
1280         dnl *******************************
1281         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1282         AC_TRY_COMPILE([#include <sys/socket.h>], [
1283                 int f = MSG_NOSIGNAL;
1284         ], [
1285                 # Yes, we have it...
1286                 AC_MSG_RESULT(yes)
1287                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1288         ], [
1289                 # We'll have to use signals
1290                 AC_MSG_RESULT(no)
1291         ])
1292
1293         dnl *****************************
1294         dnl *** Checks for IPPROTO_IP ***
1295         dnl *****************************
1296         AC_MSG_CHECKING(for IPPROTO_IP)
1297         AC_TRY_COMPILE([#include <netinet/in.h>], [
1298                 int level = IPPROTO_IP;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1303         ], [
1304                 # We'll have to use getprotobyname
1305                 AC_MSG_RESULT(no)
1306         ])
1307
1308         dnl *******************************
1309         dnl *** Checks for IPPROTO_IPV6 ***
1310         dnl *******************************
1311         AC_MSG_CHECKING(for IPPROTO_IPV6)
1312         AC_TRY_COMPILE([#include <netinet/in.h>], [
1313                 int level = IPPROTO_IPV6;
1314         ], [
1315                 # Yes, we have it...
1316                 AC_MSG_RESULT(yes)
1317                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1318         ], [
1319                 # We'll have to use getprotobyname
1320                 AC_MSG_RESULT(no)
1321         ])
1322
1323         dnl ******************************
1324         dnl *** Checks for IPPROTO_TCP ***
1325         dnl ******************************
1326         AC_MSG_CHECKING(for IPPROTO_TCP)
1327         AC_TRY_COMPILE([#include <netinet/in.h>], [
1328                 int level = IPPROTO_TCP;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1333         ], [
1334                 # We'll have to use getprotobyname
1335                 AC_MSG_RESULT(no)
1336         ])
1337
1338         dnl *****************************
1339         dnl *** Checks for SOL_IP     ***
1340         dnl *****************************
1341         AC_MSG_CHECKING(for SOL_IP)
1342         AC_TRY_COMPILE([#include <netdb.h>], [
1343                 int level = SOL_IP;
1344         ], [
1345                 # Yes, we have it...
1346                 AC_MSG_RESULT(yes)
1347                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1348         ], [
1349                 # We'll have to use getprotobyname
1350                 AC_MSG_RESULT(no)
1351         ])
1352
1353         dnl *****************************
1354         dnl *** Checks for SOL_IPV6     ***
1355         dnl *****************************
1356         AC_MSG_CHECKING(for SOL_IPV6)
1357         AC_TRY_COMPILE([#include <netdb.h>], [
1358                 int level = SOL_IPV6;
1359         ], [
1360                 # Yes, we have it...
1361                 AC_MSG_RESULT(yes)
1362                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1363         ], [
1364                 # We'll have to use getprotobyname
1365                 AC_MSG_RESULT(no)
1366         ])
1367
1368         dnl *****************************
1369         dnl *** Checks for SOL_TCP    ***
1370         dnl *****************************
1371         AC_MSG_CHECKING(for SOL_TCP)
1372         AC_TRY_COMPILE([#include <netdb.h>], [
1373                 int level = SOL_TCP;
1374         ], [
1375                 # Yes, we have it...
1376                 AC_MSG_RESULT(yes)
1377                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1378         ], [
1379                 # We'll have to use getprotobyname
1380                 AC_MSG_RESULT(no)
1381         ])
1382
1383         dnl *****************************
1384         dnl *** Checks for IP_PKTINFO ***
1385         dnl *****************************
1386         AC_MSG_CHECKING(for IP_PKTINFO)
1387         AC_TRY_COMPILE([#include <linux/in.h>], [
1388                 int level = IP_PKTINFO;
1389         ], [
1390                 # Yes, we have it...
1391                 AC_MSG_RESULT(yes)
1392                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1393         ], [
1394                 AC_MSG_RESULT(no)
1395         ])
1396
1397         dnl *****************************
1398         dnl *** Checks for IPV6_PKTINFO ***
1399         dnl *****************************
1400         AC_MSG_CHECKING(for IPV6_PKTINFO)
1401         AC_TRY_COMPILE([#include <netdb.h>], [
1402                 int level = IPV6_PKTINFO;
1403         ], [
1404                 # Yes, we have it...
1405                 AC_MSG_RESULT(yes)
1406                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1407         ], [
1408                 AC_MSG_RESULT(no)
1409         ])
1410
1411         dnl **********************************
1412         dnl *** Checks for IP_DONTFRAG     ***
1413         dnl **********************************
1414         AC_MSG_CHECKING(for IP_DONTFRAG)
1415         AC_TRY_COMPILE([#include <netinet/in.h>], [
1416                 int level = IP_DONTFRAG;
1417         ], [
1418                 # Yes, we have it...
1419                 AC_MSG_RESULT(yes)
1420                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1421         ], [
1422                 AC_MSG_RESULT(no)
1423         ])
1424
1425         dnl **********************************
1426         dnl *** Checks for IP_DONTFRAGMENT ***
1427         dnl **********************************
1428         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1429         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1430                 int level = IP_DONTFRAGMENT;
1431         ], [
1432                 # Yes, we have it...
1433                 AC_MSG_RESULT(yes)
1434                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1435         ], [
1436                 AC_MSG_RESULT(no)
1437         ])
1438
1439         dnl **********************************
1440         dnl *** Checks for IP_MTU_DISCOVER ***
1441         dnl **********************************
1442         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1443         AC_TRY_COMPILE([#include <linux/in.h>], [
1444                 int level = IP_MTU_DISCOVER;
1445         ], [
1446                 # Yes, we have it...
1447                 AC_MSG_RESULT(yes)
1448                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1449         ], [
1450                 AC_MSG_RESULT(no)
1451         ])
1452
1453         dnl **********************************
1454         dnl *** Checks for  IP_PMTUDISC_DO ***
1455         dnl **********************************
1456         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1457         AC_TRY_COMPILE([#include <linux/in.h>], [
1458                 int level = IP_PMTUDISC_DO;
1459         ], [
1460                 # Yes, we have it...
1461                 AC_MSG_RESULT(yes)
1462                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1463         ], [
1464                 AC_MSG_RESULT(no)
1465         ])
1466
1467         dnl *********************************
1468         dnl *** Check for struct ip_mreqn ***
1469         dnl *********************************
1470         AC_MSG_CHECKING(for struct ip_mreqn)
1471         AC_TRY_COMPILE([#include <netinet/in.h>], [
1472                 struct ip_mreqn mreq;
1473                 mreq.imr_address.s_addr = 0;
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1478         ], [
1479                 # We'll just have to try and use struct ip_mreq
1480                 AC_MSG_RESULT(no)
1481                 AC_MSG_CHECKING(for struct ip_mreq)
1482                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1483                         struct ip_mreq mreq;
1484                         mreq.imr_interface.s_addr = 0;
1485                 ], [
1486                         # Yes, we have it...
1487                         AC_MSG_RESULT(yes)
1488                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1489                 ], [
1490                         # No multicast support
1491                         AC_MSG_RESULT(no)
1492                 ])
1493         ])
1494
1495         dnl **********************************
1496         dnl *** Check for gethostbyname2_r ***
1497         dnl **********************************
1498         AC_MSG_CHECKING(for gethostbyname2_r)
1499                 AC_TRY_LINK([#include <netdb.h>], [
1500                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1501         ], [
1502                 # Yes, we have it...
1503                 AC_MSG_RESULT(yes)
1504                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1505         ], [
1506                 AC_MSG_RESULT(no)
1507         ])
1508
1509         dnl *****************************
1510         dnl *** Checks for libnsl     ***
1511         dnl *****************************
1512         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1513
1514         AC_CHECK_FUNCS(inet_pton inet_aton)
1515
1516         dnl ***********************************************
1517         dnl *** Checks for size of sockaddr_un.sun_path ***
1518         dnl ***********************************************
1519         # AC_CHECK_SIZEOF can't cope with struct members :-(
1520         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1521         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1522                 [AC_TRY_RUN([
1523                         #include <sys/types.h>
1524                         #include <stdio.h>
1525                         #include <sys/un.h>
1526
1527                         int main(void) {
1528                                 struct sockaddr_un sock_un;
1529                                 FILE *f=fopen("conftestval", "w");
1530                                 if(!f) exit(1);
1531                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1532                                 exit(0);
1533                         }
1534                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1535                    mono_cv_sizeof_sunpath=0,
1536                    mono_cv_sizeof_sunpath=0)])dnl
1537         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1538         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1539
1540         dnl *****************************
1541         dnl *** Checks for libxnet    ***
1542         dnl *****************************
1543         case "${host}" in
1544                 *solaris* )
1545                         AC_MSG_CHECKING(for Solaris XPG4 support)
1546                         if test -f /usr/lib/libxnet.so; then
1547                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1548                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1549                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1550                                 LIBS="$LIBS -lxnet"
1551                                 AC_MSG_RESULT(yes)
1552                         else
1553                                 AC_MSG_RESULT(no)
1554                         fi
1555
1556                         if test "$GCC" = "yes"; then
1557                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1558                         fi
1559                 ;;
1560         esac
1561
1562         dnl *****************************
1563         dnl *** Checks for libpthread ***
1564         dnl *****************************
1565 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1566 # and libpthread does not exist
1567 #
1568         case "${host}" in
1569                 *-*-*freebsd*)
1570                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1571                 ;;
1572                 *-*-*openbsd*)
1573                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1574                 ;;
1575                 *)
1576                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1577                 ;;
1578         esac
1579         AC_CHECK_HEADERS(pthread.h)
1580         AC_CHECK_HEADERS(pthread_np.h)
1581         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1582         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1583         AC_CHECK_FUNCS(pthread_kill)
1584         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1585         AC_TRY_COMPILE([ #include <pthread.h>], [
1586                 pthread_mutexattr_t attr;
1587                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1588         ], [
1589                 AC_MSG_RESULT(ok)
1590         ], [
1591                 AC_MSG_RESULT(no)
1592                 AC_ERROR(Posix system lacks support for recursive mutexes)
1593         ])
1594         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1595         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1596         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1597
1598         dnl ***********************************
1599         dnl *** Checks for signals
1600         dnl ***********************************
1601         AC_CHECK_HEADERS(signal.h)
1602         AC_CHECK_FUNCS(sigaction)
1603
1604         dnl ***********************************
1605         dnl *** Checks for working __thread ***
1606         dnl ***********************************
1607         AC_MSG_CHECKING(for working __thread)
1608         if test "x$with_tls" != "x__thread"; then
1609                 AC_MSG_RESULT(disabled)
1610         elif test "x$cross_compiling" = "xyes"; then
1611                 AC_MSG_RESULT(cross compiling, assuming yes)
1612         else
1613                 AC_TRY_RUN([
1614                         #if defined(__APPLE__) && defined(__clang__)
1615                         #error "__thread does not currently work with clang on Mac OS X"
1616                         #endif
1617
1618                         #include <pthread.h>
1619                         __thread int i;
1620                         static int res1, res2;
1621
1622                         void thread_main (void *arg)
1623                         {
1624                                 i = arg;
1625                                 sleep (1);
1626                                 if (arg == 1)
1627                                         res1 = (i == arg);
1628                                 else
1629                                         res2 = (i == arg);
1630                         }
1631
1632                         int main () {
1633                                 pthread_t t1, t2;
1634
1635                                 i = 5;
1636
1637                                 pthread_create (&t1, NULL, thread_main, 1);
1638                                 pthread_create (&t2, NULL, thread_main, 2);
1639
1640                                 pthread_join (t1, NULL);
1641                                 pthread_join (t2, NULL);
1642
1643                                 return !(res1 + res2 == 2);
1644                         }
1645                 ], [
1646                                 AC_MSG_RESULT(yes)
1647                 ], [
1648                                 AC_MSG_RESULT(no)
1649                                 with_tls=pthread
1650                 ])
1651         fi
1652
1653         dnl **************************************
1654         dnl *** Checks for working sigaltstack ***
1655         dnl **************************************
1656         AC_MSG_CHECKING(for working sigaltstack)
1657         if test "x$with_sigaltstack" != "xyes"; then
1658                 AC_MSG_RESULT(disabled)
1659         elif test "x$cross_compiling" = "xyes"; then
1660                 AC_MSG_RESULT(cross compiling, assuming yes)
1661         else
1662                 AC_TRY_RUN([
1663                         #include <stdio.h>
1664                         #include <stdlib.h>
1665                         #include <unistd.h>
1666                         #include <signal.h>
1667                         #include <pthread.h>
1668                         #include <sys/wait.h>
1669                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1670                         #define SA_STACK SA_ONSTACK
1671                         #endif
1672                         static void
1673                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1674                         {
1675                                 exit (0);
1676                         }
1677
1678                         volatile char*__ptr = NULL;
1679                         static void *
1680                         loop (void *ignored)
1681                         {
1682                                 *__ptr = 0;
1683                                 return NULL;
1684                         }
1685
1686                         static void
1687                         child ()
1688                         {
1689                                 struct sigaction sa;
1690                         #ifdef __APPLE__
1691                                 stack_t sas;
1692                         #else
1693                                 struct sigaltstack sas;
1694                         #endif
1695                                 pthread_t id;
1696                                 pthread_attr_t attr;
1697
1698                                 sa.sa_sigaction = sigsegv_signal_handler;
1699                                 sigemptyset (&sa.sa_mask);
1700                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1701                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1702                                         perror ("sigaction");
1703                                         return;
1704                                 }
1705
1706                                 /* x86 darwin deliver segfaults using SIGBUS */
1707                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1708                                         perror ("sigaction");
1709                                         return;
1710                                 }
1711                                 sas.ss_sp = malloc (SIGSTKSZ);
1712                                 sas.ss_size = SIGSTKSZ;
1713                                 sas.ss_flags = 0;
1714                                 if (sigaltstack (&sas, NULL) == -1) {
1715                                         perror ("sigaltstack");
1716                                         return;
1717                                 }
1718
1719                                 pthread_attr_init (&attr);
1720                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1721                                         printf ("pthread_create\n");
1722                                         return;
1723                                 }
1724
1725                                 sleep (100);
1726                         }
1727
1728                         int
1729                         main ()
1730                         {
1731                                 pid_t son;
1732                                 int status;
1733                                 int i;
1734
1735                                 son = fork ();
1736                                 if (son == -1) {
1737                                         return 1;
1738                                 }
1739
1740                                 if (son == 0) {
1741                                         child ();
1742                                         return 0;
1743                                 }
1744
1745                                 for (i = 0; i < 300; ++i) {
1746                                         waitpid (son, &status, WNOHANG);
1747                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1748                                                 return 0;
1749                                         usleep (10000);
1750                                 }
1751
1752                                 kill (son, SIGKILL);
1753                                 return 1;
1754                         }
1755
1756                 ], [
1757                                 AC_MSG_RESULT(yes)
1758                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1759                 ], [
1760                                 with_sigaltstack=no
1761                                 AC_MSG_RESULT(no)
1762                 ])
1763         fi
1764
1765         dnl ********************************
1766         dnl *** Checks for semaphore lib ***
1767         dnl ********************************
1768         # 'Real Time' functions on Solaris
1769         # posix4 on Solaris 2.6
1770         # pthread (first!) on Linux
1771         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1772
1773         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1774         AC_CHECK_FUNCS(shm_open)
1775
1776         dnl ********************************
1777         dnl *** Checks for timezone stuff **
1778         dnl ********************************
1779         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1780                 AC_TRY_COMPILE([
1781                         #include <time.h>
1782                         ], [
1783                         struct tm tm;
1784                         tm.tm_gmtoff = 1;
1785                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1786         if test $ac_cv_struct_tm_gmtoff = yes; then
1787                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1788         else
1789                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1790                         AC_TRY_COMPILE([
1791                                 #include <time.h>
1792                         ], [
1793                                 timezone = 1;
1794                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1795                 if test $ac_cv_var_timezone = yes; then
1796                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1797                 else
1798                         AC_ERROR(unable to find a way to determine timezone)
1799                 fi
1800         fi
1801
1802         dnl *********************************
1803         dnl *** Checks for math functions ***
1804         dnl *********************************
1805         AC_SEARCH_LIBS(sqrtf, m)
1806         if test "x$has_broken_apple_cpp" != "xyes"; then
1807                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1808                         AC_TRY_LINK([#include <math.h>],
1809                         [ finite(0.0); ],
1810                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1811                         AC_MSG_RESULT(no)))
1812         fi
1813         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1814                 AC_TRY_LINK([#include <math.h>],
1815                 [ isfinite(0.0); ],
1816                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1817                 AC_MSG_RESULT(no)))
1818
1819         dnl ****************************************************************
1820         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1821         dnl *** have it in the library (duh))                            ***
1822         dnl ****************************************************************
1823         AC_CHECK_FUNCS(poll)
1824
1825         dnl *************************
1826         dnl *** Check for signbit ***
1827         dnl *************************
1828         AC_MSG_CHECKING(for signbit)
1829         AC_TRY_LINK([#include <math.h>], [
1830                 int s = signbit(1.0);
1831         ], [
1832                 AC_MSG_RESULT(yes)
1833                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1834         ], [
1835                 AC_MSG_RESULT(no)
1836         ])
1837
1838         dnl **********************************
1839         dnl *** epoll                      ***
1840         dnl **********************************
1841         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1842                 AC_CHECK_HEADERS(sys/epoll.h)
1843                 haveepoll=no
1844                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1845                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1846                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1847                 fi
1848         fi
1849
1850         havekqueue=no
1851
1852         AC_CHECK_HEADERS(sys/event.h)
1853         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1854
1855         dnl **************************************
1856         dnl * Darwin has a race that prevents us from using reliably:
1857         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1858         dnl * Since kqueue is mostly used for scaling large web servers,
1859         dnl * and very few folks run Mono on large web servers on OSX, falling
1860         dnl * back
1861         dnl **************************************
1862         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1863                 if x$platform_darwin = xno; then
1864                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1865                 fi
1866         fi
1867
1868         dnl ******************************
1869         dnl *** Checks for SIOCGIFCONF ***
1870         dnl ******************************
1871         AC_CHECK_HEADERS(sys/ioctl.h)
1872         AC_CHECK_HEADERS(net/if.h, [], [],
1873            [
1874            #ifdef HAVE_SYS_TYPES_H
1875            # include <sys/types.h>
1876            #endif
1877            #ifdef HAVE_SYS_SOCKET_H
1878            # include <sys/socket.h>
1879            #endif
1880            ])
1881         AC_MSG_CHECKING(for ifreq)
1882         AC_TRY_COMPILE([
1883                 #include <stdio.h>
1884                 #include <sys/ioctl.h>
1885                 #include <net/if.h>
1886                 ], [
1887                 struct ifconf ifc;
1888                 struct ifreq *ifr;
1889                 void *x;
1890                 ifc.ifc_len = 0;
1891                 ifc.ifc_buf = NULL;
1892                 x = (void *) &ifr->ifr_addr;
1893                 ],[
1894                         AC_MSG_RESULT(yes)
1895                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1896                 ], [
1897                         AC_MSG_RESULT(no)
1898                 ])
1899         dnl **********************************
1900         dnl ***     Checks for sin_len     ***
1901         dnl **********************************
1902         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1903         AC_TRY_COMPILE([
1904                 #include <netinet/in.h>
1905                 ], [
1906                 struct sockaddr_in saddr;
1907                 saddr.sin_len = sizeof (saddr);
1908                 ],[
1909                         AC_MSG_RESULT(yes)
1910                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1911                 ], [
1912                         AC_MSG_RESULT(no)
1913                 ])
1914         dnl **********************************
1915         dnl ***    Checks for sin6_len     ***
1916         dnl **********************************
1917         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1918         AC_TRY_COMPILE([
1919                 #include <netinet/in.h>
1920                 ], [
1921                 struct sockaddr_in6 saddr6;
1922                 saddr6.sin6_len = sizeof (saddr6);
1923                 ],[
1924                         AC_MSG_RESULT(yes)
1925                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1926                 ], [
1927                         AC_MSG_RESULT(no)
1928                 ])
1929         dnl **********************************
1930         dnl *** Check for getifaddrs       ***
1931         dnl **********************************
1932         AC_MSG_CHECKING(for getifaddrs)
1933                 AC_TRY_LINK([
1934                 #include <stdio.h>
1935                 #include <sys/types.h>
1936                 #include <sys/socket.h>
1937                 #include <ifaddrs.h>
1938         ], [
1939                 getifaddrs(NULL);
1940         ], [
1941                 # Yes, we have it...
1942                 AC_MSG_RESULT(yes)
1943                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1944         ], [
1945                 AC_MSG_RESULT(no)
1946         ])
1947         dnl **********************************
1948         dnl *** Check for if_nametoindex   ***
1949         dnl **********************************
1950         AC_MSG_CHECKING(for if_nametoindex)
1951                 AC_TRY_LINK([
1952                 #include <stdio.h>
1953                 #include <sys/types.h>
1954                 #include <sys/socket.h>
1955                 #include <net/if.h>
1956         ], [
1957                 if_nametoindex(NULL);
1958         ], [
1959                 # Yes, we have it...
1960                 AC_MSG_RESULT(yes)
1961                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1962         ], [
1963                 AC_MSG_RESULT(no)
1964         ])
1965
1966         dnl **********************************
1967         dnl *** Checks for MonoPosixHelper ***
1968         dnl **********************************
1969         AC_CHECK_HEADERS(checklist.h)
1970         AC_CHECK_HEADERS(pathconf.h)
1971         AC_CHECK_HEADERS(fstab.h)
1972         AC_CHECK_HEADERS(attr/xattr.h)
1973         AC_CHECK_HEADERS(sys/extattr.h)
1974         AC_CHECK_HEADERS(sys/sendfile.h)
1975         AC_CHECK_HEADERS(sys/statvfs.h)
1976         AC_CHECK_HEADERS(sys/statfs.h)
1977         AC_CHECK_HEADERS(sys/vfstab.h)
1978         AC_CHECK_HEADERS(sys/xattr.h)
1979         AC_CHECK_HEADERS(sys/mman.h)
1980         AC_CHECK_HEADERS(sys/param.h)
1981         AC_CHECK_HEADERS(sys/mount.h, [], [],
1982                 [
1983                 #ifdef HAVE_SYS_PARAM_H
1984                 # include <sys/param.h>
1985                 #endif
1986                 ])
1987         AC_CHECK_HEADERS(sys/mount.h)
1988         AC_CHECK_FUNCS(confstr)
1989         AC_CHECK_FUNCS(seekdir telldir)
1990         AC_CHECK_FUNCS(getdomainname)
1991         AC_CHECK_FUNCS(setdomainname)
1992         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1993         AC_CHECK_FUNCS(setgroups)
1994         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1995         AC_CHECK_FUNCS(getfsstat)
1996         AC_CHECK_FUNCS(lutimes futimes)
1997         AC_CHECK_FUNCS(mremap)
1998         AC_CHECK_FUNCS(remap_file_pages)
1999         AC_CHECK_FUNCS(posix_fadvise)
2000         AC_CHECK_FUNCS(posix_fallocate)
2001         AC_CHECK_FUNCS(posix_madvise)
2002         AC_CHECK_FUNCS(vsnprintf)
2003         AC_CHECK_FUNCS(sendfile)
2004         AC_CHECK_FUNCS(gethostid sethostid)
2005         AC_CHECK_FUNCS(sethostname)
2006         AC_CHECK_FUNCS(statfs)
2007         AC_CHECK_FUNCS(fstatfs)
2008         AC_CHECK_FUNCS(statvfs)
2009         AC_CHECK_FUNCS(fstatvfs)
2010         AC_CHECK_FUNCS(stime)
2011         AC_CHECK_FUNCS(strerror_r)
2012         AC_CHECK_FUNCS(ttyname_r)
2013         AC_CHECK_FUNCS(psignal)
2014         AC_CHECK_FUNCS(getlogin_r)
2015         AC_CHECK_FUNCS(lockf)
2016         AC_CHECK_FUNCS(swab)
2017         AC_CHECK_FUNCS(setusershell endusershell)
2018         AC_CHECK_FUNCS(futimens utimensat)
2019         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2020         AC_CHECK_FUNCS(readv writev preadv pwritev)
2021         AC_CHECK_FUNCS(setpgid)
2022         AC_CHECK_SIZEOF(size_t)
2023         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2024                 [#include <sys/types.h>
2025                  #include <sys/stat.h>
2026                  #include <unistd.h>])
2027         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2028                 [#include <sys/types.h>
2029                  #include <sys/stat.h>
2030                  #include <unistd.h>])
2031         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2032                 [#include <sys/time.h>])
2033         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2034                 [#include <unistd.h>
2035                  #include <fcntl.h>])
2036         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2037                 [#include <sys/uio.h>])
2038         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2039                 [#include <sys/poll.h>])
2040         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2041                 [#include <sys/types.h>
2042                  #include <sys/stat.h>
2043                  #include <unistd.h>])
2044         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2045                 [#include <time.h>])
2046         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2047                 [#include <sys/time.h>
2048                  #include <sys/types.h>
2049                  #include <utime.h>])
2050         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2051                 [#include <sys/time.h>])
2052         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2053                 [#include <sys/types.h>
2054                  #include <utime.h>])
2055         AC_CHECK_MEMBERS(
2056                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2057                 [#include <sys/types.h>
2058                  #include <dirent.h>])
2059         AC_CHECK_MEMBERS(
2060                 [struct passwd.pw_gecos],,,
2061                 [#include <sys/types.h>
2062                  #include <pwd.h>])
2063         AC_CHECK_MEMBERS(
2064                 [struct statfs.f_flags],,,
2065                 [#include <sys/types.h>
2066                  #include <sys/vfs.h>])
2067         AC_CHECK_MEMBERS(
2068                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2069                 [#include <sys/types.h>
2070                  #include <sys/stat.h>
2071                  #include <unistd.h>])
2072
2073         dnl Favour xattr through glibc, but use libattr if we have to
2074         AC_CHECK_FUNC(lsetxattr, ,
2075                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2076         )
2077         AC_SUBST(XATTR_LIB)
2078
2079         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2080         AC_CHECK_MEMBERS(
2081                 [struct kinfo_proc.kp_proc],,,
2082                 [#include <sys/types.h>
2083                  #include <sys/param.h>
2084                  #include <sys/sysctl.h>
2085                  #include <sys/proc.h>
2086                  ])
2087
2088         dnl *********************************
2089         dnl *** Checks for Windows compilation ***
2090         dnl *********************************
2091         AC_CHECK_HEADERS(sys/time.h)
2092         AC_CHECK_HEADERS(sys/param.h)
2093         AC_CHECK_HEADERS(dirent.h)
2094
2095         dnl ******************************************
2096         dnl *** Checks for OSX and iOS compilation ***
2097         dnl ******************************************
2098         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2099
2100         dnl *********************************
2101         dnl *** Check for Console 2.0 I/O ***
2102         dnl *********************************
2103         AC_CHECK_HEADERS([curses.h])
2104         AC_CHECK_HEADERS([term.h], [], [],
2105         [#if HAVE_CURSES_H
2106          #include <curses.h>
2107          #endif
2108         ])
2109         AC_CHECK_HEADERS([termios.h])
2110
2111         dnl * This is provided in io-layer, but on windows it's only available
2112         dnl * on xp+
2113         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2114 else
2115         dnl *********************************
2116         dnl *** Checks for Windows compilation ***
2117         dnl *********************************
2118         AC_CHECK_HEADERS(winternl.h)
2119
2120         jdk_headers_found=no
2121         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2122         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2123         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2124         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2126         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2127         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2128
2129         dnl *********************************
2130         dnl *** Check for struct ip_mreqn ***
2131         dnl *********************************
2132         AC_MSG_CHECKING(for struct ip_mreqn)
2133         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2134                 struct ip_mreqn mreq;
2135                 mreq.imr_address.s_addr = 0;
2136         ], [
2137                 # Yes, we have it...
2138                 AC_MSG_RESULT(yes)
2139                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2140         ], [
2141                 # We'll just have to try and use struct ip_mreq
2142                 AC_MSG_RESULT(no)
2143                 AC_MSG_CHECKING(for struct ip_mreq)
2144                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2145                         struct ip_mreq mreq;
2146                         mreq.imr_interface.s_addr = 0;
2147                 ], [
2148                         # Yes, we have it...
2149                         AC_MSG_RESULT(yes)
2150                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2151                 ], [
2152                         # No multicast support
2153                         AC_MSG_RESULT(no)
2154                 ])
2155         ])
2156         AC_CHECK_FUNCS(GetProcessId)
2157         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2158         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2159         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2160         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2162         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2163         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2164 fi
2165
2166 dnl socklen_t check
2167 AC_MSG_CHECKING(for socklen_t)
2168 AC_TRY_COMPILE([
2169 #include <sys/types.h>
2170 #include <sys/socket.h>
2171 ],[
2172   socklen_t foo;
2173 ],[
2174 ac_cv_c_socklen_t=yes
2175         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2176         AC_MSG_RESULT(yes)
2177 ],[
2178         AC_MSG_RESULT(no)
2179 ])
2180
2181 AC_MSG_CHECKING(for array element initializer support)
2182 AC_TRY_COMPILE([#include <sys/socket.h>], [
2183         const int array[] = {[1] = 2,};
2184 ], [
2185         # Yes, we have it...
2186         AC_MSG_RESULT(yes)
2187         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2188 ], [
2189         # We'll have to use signals
2190         AC_MSG_RESULT(no)
2191 ])
2192
2193 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2194         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2195         AC_TRY_LINK([#include <math.h>],
2196         [ static void *p = &trunc; ],
2197         [
2198                 AC_DEFINE(HAVE_TRUNC)
2199                 AC_MSG_RESULT(yes)
2200                 ac_cv_trunc=yes
2201         ],
2202         AC_MSG_RESULT(no)))
2203
2204 if test "x$ac_cv_truncl" != "xyes"; then
2205    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2206 fi
2207
2208 AC_CHECK_FUNCS(round)
2209 AC_CHECK_FUNCS(rint)
2210 AC_CHECK_FUNCS(execvp)
2211
2212 dnl ****************************
2213 dnl *** Look for /dev/random ***
2214 dnl ****************************
2215
2216 AC_MSG_CHECKING([if usage of random device is requested])
2217 AC_ARG_ENABLE(dev-random,
2218 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2219 try_dev_random=$enableval, try_dev_random=yes)
2220
2221 AC_MSG_RESULT($try_dev_random)
2222
2223 case "{$build}" in
2224     *-openbsd*)
2225     NAME_DEV_RANDOM="/dev/srandom"
2226     ;;
2227
2228 dnl Win32 does not have /dev/random, they have their own method...
2229
2230     *-mingw*|*-*-cygwin*)
2231     ac_cv_have_dev_random=no
2232     ;;
2233
2234 dnl Everywhere else, it's /dev/random
2235
2236     *)
2237     NAME_DEV_RANDOM="/dev/random"
2238     ;;
2239 esac
2240
2241 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2242
2243 dnl Now check if the device actually exists
2244
2245 if test "x$try_dev_random" = "xyes"; then
2246     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2247     [if test -r "$NAME_DEV_RANDOM" ; then
2248         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2249     if test "x$ac_cv_have_dev_random" = "xyes"; then
2250         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2251     fi
2252 else
2253     AC_MSG_CHECKING(for random device)
2254     ac_cv_have_dev_random=no
2255     AC_MSG_RESULT(has been disabled)
2256 fi
2257
2258 if test "x$host_win32" = "xyes"; then
2259     AC_DEFINE(HAVE_CRYPT_RNG)
2260 fi
2261
2262 if test "x$ac_cv_have_dev_random" = "xno" \
2263     && test "x$host_win32" = "xno"; then
2264     AC_MSG_WARN([[
2265 ***
2266 *** A system-provided entropy source was not found on this system.
2267 *** Because of this, the System.Security.Cryptography random number generator
2268 *** will throw a NotImplemented exception.
2269 ***
2270 *** If you are seeing this message, and you know your system DOES have an
2271 *** entropy collection in place, please contact <crichton@gimp.org> and
2272 *** provide information about the system and how to access the random device.
2273 ***
2274 *** Otherwise you can install either egd or prngd and set the environment
2275 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2276 ***]])
2277 fi
2278
2279 AC_MSG_CHECKING([if inter-process shared handles are requested])
2280 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2281 AC_MSG_RESULT($try_shared_handles)
2282 if test "x$try_shared_handles" != "xyes"; then
2283         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2284         AC_SUBST(DISABLE_SHARED_HANDLES)
2285 fi
2286
2287 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2288
2289 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2290 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2291
2292 AC_MSG_CHECKING([if big-arrays are to be enabled])
2293 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2294 if test "x$enable_big_arrays" = "xyes" ; then
2295     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2296         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2297     else
2298         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2299     fi
2300 fi
2301 AC_MSG_RESULT($enable_big_arrays)
2302
2303 dnl **************
2304 dnl *** DTRACE ***
2305 dnl **************
2306
2307 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2308
2309 if test "x$enable_dtrace" = "xyes"; then
2310    if test "x$has_dtrace" = "xno"; then
2311           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2312    fi
2313    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2314    if test "x$DTRACE" = "xno"; then
2315           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2316           enable_dtrace=no
2317    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2318           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2319           enable_dtrace=no
2320    fi
2321 fi
2322
2323 dtrace_g=no
2324 if test "x$enable_dtrace" = "xyes"; then
2325         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2326         DTRACEFLAGS=
2327         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2328                 case "$host" in
2329                         powerpc-*-darwin*)
2330                         DTRACEFLAGS="-arch ppc64"
2331                         ;;
2332                         i*86-*-darwin*)
2333                         DTRACEFLAGS="-arch x86_64"
2334                         ;;
2335                         *)
2336                         DTRACEFLAGS=-64
2337                         ;;
2338                 esac
2339         else
2340                 case "$host" in
2341                         powerpc-*-darwin*)
2342                         DTRACEFLAGS="-arch ppc"
2343                         ;;
2344                         i*86-*-darwin*)
2345                         DTRACEFLAGS="-arch i386"
2346                         ;;
2347                         *)
2348                         DTRACEFLAGS=-32
2349                         ;;
2350                 esac
2351         fi
2352         AC_SUBST(DTRACEFLAGS)
2353         case "$host" in
2354                 *-*-solaris*)
2355                 dtrace_g=yes
2356                 ;;
2357         esac
2358         AC_CHECK_HEADERS([sys/sdt.h])
2359 fi
2360 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2361 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2362
2363 dnl **************
2364 dnl ***  NaCl  ***
2365 dnl **************
2366
2367 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2368 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2369
2370 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2371
2372 dnl
2373 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2374 dnl
2375 nacl_self_host=""
2376 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2377    nacl_self_host="nacl_self_host"
2378 fi
2379 AC_SUBST(nacl_self_host)
2380
2381 if test "x$enable_nacl_codegen" = "xyes"; then
2382    MONO_NACL_ALIGN_MASK_OFF=1
2383    AC_DEFINE(TARGET_NACL, 1, [...])
2384    AC_DEFINE(__native_client_codegen__, 1, [...])
2385 else
2386    MONO_NACL_ALIGN_MASK_OFF=0
2387    AC_DEFINE(__default_codegen__, 1, [...])
2388 fi
2389 if test "x$enable_nacl_gc" = "xyes"; then
2390    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2391       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2392    else
2393       # Not yet implemented
2394       INSTRUMENT_CFLAG=""
2395    fi
2396    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2397 fi
2398 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2399
2400 dnl **************
2401 dnl ***  LLVM  ***
2402 dnl **************
2403
2404 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2405 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2406 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2407
2408 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2409
2410 if test "x$enable_llvm" = "xyes"; then
2411    if test "x$with_llvm" != "x"; then
2412           LLVM_CONFIG=$with_llvm/bin/llvm-config
2413           if test ! -x $LLVM_CONFIG; then
2414                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2415       fi
2416    else
2417       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2418       if test "x$LLVM_CONFIG" = "xno"; then
2419              AC_MSG_ERROR([llvm-config not found.])
2420       fi
2421    fi
2422
2423    llvm_codegen="x86codegen"
2424    case "$target" in
2425    arm*)
2426                 llvm_codegen="armcodegen"
2427                 ;;
2428    esac
2429
2430    # The output of --cflags seems to include optimizations flags too
2431    LLVM_CFLAGS=`$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'`
2432    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2433    # from LLVM classes.
2434    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2435    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2436    if test "x$host" != "x$target"; then
2437       # No need for jit libs
2438       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2439    else
2440       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2441    fi
2442    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2443
2444    expected_llvm_version="3.4svn-mono-mono/e656cac"
2445
2446    # Should be something like '2.6' or '2.7svn'
2447    llvm_version=`$LLVM_CONFIG --version`
2448    major_version=`echo $llvm_version | cut -c 1`
2449    minor_version=`echo $llvm_version | cut -c 3`
2450    AC_MSG_CHECKING(LLVM version)
2451    AC_MSG_RESULT($llvm_version)
2452    if echo $llvm_version | grep -q 'mono'; then
2453           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2454           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2455           if test "x$enable_llvm_version_check" == "xyes"; then
2456                  if test "$llvm_version" != "$expected_llvm_version"; then
2457                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2458                  fi
2459           fi
2460    else
2461           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.])
2462    fi
2463
2464    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2465    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2466    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2467
2468    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2469    # llvm's config.h
2470    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2471
2472    AC_SUBST(LLVM_CFLAGS)
2473    AC_SUBST(LLVM_CXXFLAGS)
2474    AC_SUBST(LLVM_LIBS)
2475    AC_SUBST(LLVM_LDFLAGS)
2476    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2477 fi
2478
2479 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2480 if test "x$enable_loadedllvm" = "xyes"; then
2481    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2482 fi
2483 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2484
2485 TARGET="unknown"
2486 ACCESS_UNALIGNED="yes"
2487
2488 JIT_SUPPORTED=no
2489 INTERP_SUPPORTED=no
2490 LIBC="libc.so.6"
2491 INTL="libc.so.6"
2492 SQLITE="libsqlite.so.0"
2493 SQLITE3="libsqlite3.so.0"
2494 X11="libX11.so"
2495
2496 sizeof_register="SIZEOF_VOID_P"
2497
2498 jit_wanted=true
2499 interp_wanted=false
2500 sgen_supported=false
2501 case "$host" in
2502         mips*)
2503                 TARGET=MIPS;
2504                 arch_target=mips;
2505                 sgen_supported=true
2506                 ACCESS_UNALIGNED="no"
2507                 JIT_SUPPORTED=yes
2508
2509                 AC_MSG_CHECKING(for mips n32)
2510                 AC_TRY_COMPILE([],[
2511                 #if _MIPS_SIM != _ABIN32
2512                 #error Not mips n32
2513                 #endif
2514                 return 0;
2515                 ],[
2516                 AC_MSG_RESULT(yes)
2517                 sizeof_register=8
2518                 ],[
2519                 AC_MSG_RESULT(no)
2520                 ])
2521                 ;;
2522         i*86-*-*)
2523                 TARGET=X86;
2524                 arch_target=x86;
2525                 JIT_SUPPORTED=yes
2526                 case $host_os in
2527                   solaris*)
2528                         LIBC="libc.so"
2529                         INTL="libintl.so"
2530                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2531                                 TARGET=AMD64
2532                                 arch_target=amd64
2533                         fi
2534
2535                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2536                         # int astruct __attribute__ ((visibility ("hidden")));
2537                         # void foo ()
2538                         # {
2539                         #       void *p = &astruct;
2540                         # }
2541                         # gcc -fPIC --shared -o libfoo.so foo.c
2542                         # yields:
2543                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2544                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2545                         have_visibility_hidden=no
2546                         sgen_supported=true
2547                         ;;
2548                   mingw*|cygwin*)
2549                         sgen_supported=true
2550                         have_visibility_hidden=no
2551                         ;;
2552                   haiku*)
2553                         LIBC=libroot.so
2554                         ;;
2555                   linux*)
2556                         sgen_supported=true
2557                         AOT_SUPPORTED="yes"
2558                         ;;
2559                   darwin*)
2560                         sgen_supported=true
2561                         AOT_SUPPORTED="yes"
2562                         ;;
2563                   darwin*|openbsd*|freebsd*)
2564                         sgen_supported=true
2565                         ;;
2566                 esac
2567                 ;;
2568         x86_64-*-* | amd64-*-*)
2569                 TARGET=AMD64;
2570                 arch_target=amd64;
2571                 JIT_SUPPORTED=yes
2572                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2573                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2574                         sizeof_register=8
2575                 fi
2576                 case $host_os in
2577                   linux*)
2578                         sgen_supported=true
2579                         AOT_SUPPORTED="yes"
2580                         ;;
2581                   darwin*|openbsd*|freebsd*)
2582                         sgen_supported=true
2583                         ;;
2584                 esac
2585                 case "$host" in
2586                         x86_64-*-nacl*)
2587                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2588                                 sizeof_register=8
2589                                 ;;
2590                 esac
2591                 ;;
2592         ia64-*-*)
2593                 TARGET=IA64
2594                 arch_target=ia64
2595                 ACCESS_UNALIGNED="no"
2596                 JIT_SUPPORTED=yes
2597                 LIBC="libc.so.6.1"
2598                 INTL="libc.so.6.1"
2599                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2600                 libmono_ldflags="-lunwind"
2601                 ;;
2602         sparc*-*-*)
2603                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2604                    TARGET=SPARC64
2605                 else
2606                         TARGET=SPARC
2607                 fi
2608                 arch_target=sparc;
2609                 JIT_SUPPORTED=yes
2610                 ACCESS_UNALIGNED="no"
2611                 case $host_os in
2612                   linux*) ;;
2613                   *)
2614                         LIBC="libc.so"
2615                         INTL="libintl.so"
2616                 esac
2617                 if test x"$GCC" = xyes; then
2618                         # We don't support v8 cpus
2619                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2620                 fi
2621                 if test x"$AR" = xfalse; then
2622                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2623                 fi
2624                 sgen_supported=true
2625                 ;;
2626         *-mingw*|*-*-cygwin*)
2627                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2628                 have_visibility_hidden=no
2629                 INTL="intl"
2630                 ;;
2631         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2632         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2633                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2634                         TARGET=POWERPC64;
2635                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2636                         CFLAGS="$CFLAGS -mminimal-toc"
2637                 else
2638                         TARGET=POWERPC;
2639                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2640                 fi
2641                 arch_target=ppc;
2642                 JIT_SUPPORTED=yes
2643                 case $host_os in
2644                   linux*|darwin*)
2645                         sgen_supported=true
2646                         ;;
2647                 esac
2648                 ;;
2649         arm*-darwin*)
2650                 TARGET=ARM;
2651                 arch_target=arm;
2652                 ACCESS_UNALIGNED="no"
2653                 JIT_SUPPORTED=yes
2654                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2655                 # libgc's gc_locks.h depends on this
2656             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2657                 sgen_supported=true
2658                 ;;
2659         arm*-linux*)
2660                 TARGET=ARM;
2661                 arch_target=arm;
2662                 ACCESS_UNALIGNED="no"
2663                 JIT_SUPPORTED=yes
2664                 sgen_supported=true
2665                 AOT_SUPPORTED="yes"
2666                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2667                 ;;
2668 # TODO: make proper support for NaCl host.
2669 #        arm*-*nacl)
2670 #               TARGET=ARM;
2671 #               arch_target=arm;
2672 #               ACCESS_UNALIGNED="no"
2673 #               JIT_SUPPORTED=yes
2674 #               sgen_supported=true
2675 #               AOT_SUPPORTED="no"
2676 #               ;;
2677         s390x-*-linux*)
2678                 TARGET=S390X;
2679                 arch_target=s390x;
2680                 ACCESS_UNALIGNED="yes"
2681                 JIT_SUPPORTED=yes
2682                 sgen_supported=true
2683                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2684                 ;;
2685 esac
2686
2687 HOST=$TARGET
2688
2689 if test "x$host" != "x$target"; then
2690    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2691    enable_mcs_build=no
2692    case "$target" in
2693    arm*-darwin*)
2694                 TARGET=ARM;
2695                 arch_target=arm;
2696                 ACCESS_UNALIGNED="no"
2697                 JIT_SUPPORTED=yes
2698                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2699                 jit_wanted=true
2700                 # Can't use tls, since it depends on the runtime detection of tls offsets
2701                 # in mono-compiler.h
2702                 with_tls=pthread
2703                 ;;
2704    powerpc64-ps3-linux-gnu)
2705                 TARGET=POWERPC64
2706                 arch_target=powerpc64
2707                 AC_DEFINE(TARGET_PS3, 1, [...])
2708                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2709                 # uses this define
2710                 AC_DEFINE(__mono_ppc64__, 1, [...])
2711                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2712                 sizeof_register=8
2713                 target_byte_order=G_BIG_ENDIAN
2714                 ;;
2715
2716    powerpc64-xbox360-linux-gnu)
2717                 TARGET=POWERPC64
2718                 arch_target=powerpc64
2719                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2720                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2721                 # uses this define
2722                 sizeof_register=8
2723                 target_byte_order=G_BIG_ENDIAN
2724                 ;;
2725    x86_64-*-nacl)
2726                 TARGET=AMD64
2727                 arch_target=amd64
2728                 AC_DEFINE(TARGET_AMD64, 1, [...])
2729                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2730                 sizeof_register=8
2731                 ;;
2732 # TODO: make proper support for NaCl target.
2733 #   arm*-*nacl)
2734 #               TARGET=ARM
2735 #               arch_target=arm
2736 #               AC_DEFINE(TARGET_ARM, 1, [...])
2737 #               ACCESS_UNALIGNED="no"
2738 #               JIT_SUPPORTED=yes
2739 #               sizeof_register=4
2740 #               CPPFLAGS="$CPPFLAGS \
2741 #                    -D__ARM_EABI__ \
2742 #                    -D__arm__ \
2743 #                    -D__portable_native_client__ \
2744 #                    -Dtimezone=_timezone \
2745 #                    -DDISABLE_SOCKETS \
2746 #                    -DDISABLE_ATTACH \
2747 #                    -DUSE_NEWLIB"
2748 #               jit_wanted=true
2749                 # Can't use tls, since it depends on the runtime detection of tls offsets
2750                 # in mono-compiler.h
2751 #               with_tls=pthread
2752 #               ;;
2753    i686-*-nacl)
2754                 TARGET=X86
2755                 arch_target=x86
2756                 AC_DEFINE(TARGET_X86, 1, [...])
2757                 sizeof_register=4
2758                 ;;
2759    arm*-linux-*)
2760                 TARGET=ARM;
2761                 arch_target=arm;
2762                 AC_DEFINE(TARGET_ARM, 1, [...])
2763                 ACCESS_UNALIGNED="no"
2764                 JIT_SUPPORTED=yes
2765                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2766                 jit_wanted=true
2767                 # Can't use tls, since it depends on the runtime detection of tls offsets
2768                 # in mono-compiler.h
2769                 with_tls=pthread
2770                 target_mach=no
2771                 case "$target" in
2772                 armv7l-unknown-linux-gnueabi*)
2773                         # TEGRA
2774                         CPPFLAGS="$CPPFLAGS"
2775                         ;;
2776                 armv5-*-linux-androideabi*)
2777                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2778                         CPPFLAGS="$CPPFLAGS"
2779                         ;;
2780                 esac
2781                 ;;
2782         *)
2783                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2784         esac
2785 fi
2786
2787 case "$TARGET" in
2788 X86)
2789         AC_DEFINE(TARGET_X86, 1, [...])
2790         ;;
2791 AMD64)
2792         AC_DEFINE(TARGET_AMD64, 1, [...])
2793         ;;
2794 ARM)
2795         AC_DEFINE(TARGET_ARM, 1, [...])
2796         ;;
2797 POWERPC)
2798         AC_DEFINE(TARGET_POWERPC, 1, [...])
2799         ;;
2800 POWERPC64)
2801         AC_DEFINE(TARGET_POWERPC, 1, [...])
2802         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2803         ;;
2804 S390X)
2805         AC_DEFINE(TARGET_S390X, 1, [...])
2806         ;;
2807 MIPS)
2808         AC_DEFINE(TARGET_MIPS, 1, [...])
2809         ;;
2810 IA64)
2811         AC_DEFINE(TARGET_IA64, 1, [...])
2812         ;;
2813 SPARC)
2814         AC_DEFINE(TARGET_SPARC, 1, [...])
2815         ;;
2816 SPARC64)
2817         AC_DEFINE(TARGET_SPARC64, 1, [...])
2818         ;;
2819 esac
2820
2821 dnl Use GCC atomic ops if they work on the target.
2822 if test x$GCC = "xyes"; then
2823         case $TARGET in
2824         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2825                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2826                 ;;
2827         esac
2828 fi
2829
2830 if test "x$target_mach" = "xyes"; then
2831    if test "x$TARGET" = "xARM"; then
2832           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2833           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2834           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2835    else
2836        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2837        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2838        #error fail this for ios
2839        #endif
2840        return 0;
2841        ], [
2842                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2843           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2844           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2845        ], [
2846           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2847           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2848           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2849        ])
2850         fi
2851    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2852 fi
2853
2854 if test "x$sizeof_register" = "x4"; then
2855    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2856 elif test "x$sizeof_register" = "x8"; then
2857    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2858 else
2859    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2860 fi
2861
2862 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2863    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2864 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2865    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2866 else
2867    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2868 fi
2869
2870 if test "x$have_visibility_hidden" = "xyes"; then
2871    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2872 fi
2873
2874 if test "x$have_deprecated" = "xyes"; then
2875    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2876 fi
2877
2878 dnl
2879 dnl Simple Generational checks (sgen)
2880 dnl
2881 if $sgen_supported; then
2882    build_sgen_default=yes
2883 else
2884    build_sgen_default=no
2885 fi
2886 SGEN_DEFINES=
2887 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2888 if test x$buildsgen = xyes; then
2889    if $sgen_supported; then
2890        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2891        gc_msg="sgen and $gc_msg"
2892    else
2893        buildsgen=no
2894        AC_MSG_WARN("Sgen is not supported on this platform")
2895    fi
2896 fi
2897 AC_SUBST(SGEN_DEFINES)
2898 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2899
2900 USEJIT=false
2901 if test x$JIT_SUPPORTED = xyes; then
2902    if $jit_wanted; then
2903       USEJIT=true
2904       jit_status="Building and using the JIT"
2905    else
2906       if $interp_wanted; then
2907          jit_status="Building the JIT, defaulting to the interpreter"
2908       else
2909          AC_ERROR(No JIT or interpreter support available or selected.)
2910       fi
2911    fi
2912 else
2913    if test x$interp_wanted = xtrue; then
2914       jit_status="interpreter"
2915    else
2916       AC_ERROR(No JIT or interpreter support available or selected.)
2917    fi
2918 fi
2919
2920 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2921
2922 libsuffix=".so"
2923
2924 case "$host" in
2925      *-*-darwin*)
2926         libsuffix=".dylib"
2927         LIBC="libc.dylib"
2928         INTL="libintl.dylib"
2929         SQLITE="libsqlite.0.dylib"
2930         SQLITE3="libsqlite3.0.dylib"
2931         X11="libX11.dylib"
2932         ;;
2933      *-*-*netbsd*)
2934         LIBC="libc.so.12"
2935         INTL="libintl.so.0"
2936         ;;
2937     *-*-*freebsd*)
2938         LIBC="libc.so"
2939         INTL="libintl.so"
2940         SQLITE="libsqlite.so"
2941         SQLITE3="libsqlite3.so"
2942         ;;
2943     *-*-*openbsd*)
2944         LIBC="libc.so"
2945         INTL="libintl.so"
2946         SQLITE="libsqlite.so"
2947         SQLITE3="libsqlite3.so"
2948         ;;
2949     *-*-*linux*)
2950         AC_PATH_X
2951         AC_MSG_CHECKING(for the soname of libX11.so)
2952         for i in $x_libraries /usr/lib /usr/lib64; do
2953                 for r in 4 5 6; do
2954                         if test -f $i/libX11.so.$r; then
2955                                 X11=libX11.so.$r
2956                                 AC_MSG_RESULT($X11)
2957                         fi
2958                 done
2959         done
2960
2961         if test "x$X11" = "xlibX11.so"; then
2962                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2963                 X11=libX11.so.6
2964         fi
2965         ;;
2966 esac
2967
2968
2969 AC_SUBST(libsuffix)
2970
2971 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2972         if test "x$with_tls" = "x__thread"; then
2973                 #
2974                 # On some linux distributions, TLS works in executables, but linking
2975                 # against a shared library containing TLS fails with:
2976                 # undefined reference to `__tls_get_addr'
2977                 #
2978                 rm -f conftest.c conftest.so conftest
2979                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2980                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2981                 $CC -o conftest conftest.so > /dev/null 2>&1
2982                 if test ! -f conftest; then
2983                    AC_MSG_WARN([Disabling usage of __thread.]);
2984                    with_tls=pthread
2985                 fi
2986                 rm -f conftest.c conftest.so conftest
2987         fi
2988 fi
2989
2990 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2991 if test "x$icall_symbol_map" = "xyes"; then
2992    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2993 fi
2994
2995 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2996 if test "x$icall_export" = "xyes"; then
2997    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2998 fi
2999
3000 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3001 if test "x$icall_tables" = "xno"; then
3002    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3003 fi
3004
3005 if test "x$with_tls" = "x__thread"; then
3006         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3007         # Pass the information to libgc
3008         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3009         AC_MSG_CHECKING(if the tls_model attribute is supported)
3010         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3011                 ], [
3012                         AC_MSG_RESULT(yes)
3013                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3014                 ], [
3015                         AC_MSG_RESULT(no)
3016         ])
3017 fi
3018
3019 if test ${TARGET} = ARM; then
3020         dnl ******************************************
3021         dnl *** Check to see what FPU is available ***
3022         dnl ******************************************
3023         AC_MSG_CHECKING(which FPU to use)
3024
3025         #
3026         # This is a bit tricky:
3027         #
3028         # if (__ARM_PCS_VFP) {
3029         #       /* mfloat-abi=hard == VFP with hard ABI */
3030         # } elif (!__SOFTFP__) {
3031         #       /* mfloat-abi=softfp == VFP with soft ABI */
3032         # } else {
3033         #       /* mfloat-abi=soft == no VFP */
3034         # }
3035         #
3036         # The exception is iOS (w/ GCC) where none of the above
3037         # are defined (but iOS always uses the 'softfp' ABI).
3038         #
3039         # No support for FPA.
3040         #
3041
3042         fpu=NONE
3043
3044         # iOS GCC always uses the 'softfp' ABI.
3045         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3046                 fpu=VFP
3047         fi
3048
3049         # Are we using the 'hard' ABI?
3050         if test x$fpu = xNONE; then
3051                 AC_TRY_COMPILE([], [
3052                         #ifndef __ARM_PCS_VFP
3053                         #error "Float ABI is not 'hard'"
3054                         #endif
3055                         return 0;
3056                 ], [
3057                         fpu=VFP_HARD
3058                 ], [
3059                         fpu=NONE
3060                 ])
3061         fi
3062
3063         # No 'hard' ABI. 'soft' or 'softfp'?
3064         if test x$fpu = xNONE; then
3065                 AC_TRY_COMPILE([], [
3066                         #ifdef __SOFTFP__
3067                         #error "Float ABI is not 'softfp'"
3068                         #endif
3069                         return 0;
3070                 ], [
3071                         fpu=VFP
3072                 ], [
3073                         fpu=NONE
3074                 ])
3075         fi
3076
3077         AC_MSG_RESULT($fpu)
3078         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3079         unset fpu
3080
3081         dnl *********************************************
3082         dnl *** Check which ARM version(s) we can use ***
3083         dnl *********************************************
3084         AC_MSG_CHECKING(which ARM version to use)
3085
3086         AC_TRY_COMPILE([], [
3087                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3088                 #error Not on ARM v5.
3089                 #endif
3090                 return 0;
3091         ], [
3092                 arm_v5=yes
3093
3094                 arm_ver=ARMv5
3095         ], [])
3096
3097         AC_TRY_COMPILE([], [
3098                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3099                 #error Not on ARM v6.
3100                 #endif
3101                 return 0;
3102         ], [
3103                 arm_v5=yes
3104                 arm_v6=yes
3105
3106                 arm_ver=ARMv6
3107         ], [])
3108
3109         AC_TRY_COMPILE([], [
3110                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3111                 #error Not on ARM v7.
3112                 #endif
3113                 return 0;
3114         ], [
3115                 arm_v5=yes
3116                 arm_v6=yes
3117                 arm_v7=yes
3118
3119                 arm_ver=ARMv7
3120         ], [])
3121
3122         AC_MSG_RESULT($arm_ver)
3123
3124         if test x$arm_v5 = xyes; then
3125                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3126                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3127         fi
3128
3129         if test x$arm_v6 = xyes; then
3130                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3131                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3132         fi
3133
3134         if test x$arm_v7 = xyes; then
3135                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3136                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3137         fi
3138 fi
3139
3140 if test ${TARGET} = ARM; then
3141         if test "x${with_jumptables}" = "xyes"; then
3142                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3143         fi
3144 fi
3145
3146 if test ${TARGET} = unknown; then
3147         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3148         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3149 fi
3150
3151 if test ${ACCESS_UNALIGNED} = no; then
3152         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3153 fi
3154
3155 case "x$gc" in
3156         xincluded)
3157                 # Pass CPPFLAGS to libgc configure
3158                 # We should use a separate variable for this to avoid passing useless and
3159                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3160                 # This should be executed late so we pick up the final version of CPPFLAGS
3161                 # The problem with this approach, is that during a reconfigure, the main
3162                 # configure scripts gets invoked with these arguments, so we use separate
3163                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3164                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3165                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3166                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3167                 fi
3168                 # Don't pass -finstrument-for-thread-suspension in,
3169                 # if these are instrumented it will be very bad news
3170                 # (infinite recursion, undefined parking behavior, etc)
3171                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3172                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3173                 AC_CONFIG_SUBDIRS(libgc)
3174                 ;;
3175 esac
3176
3177 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3178 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3179 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3180 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3181 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3182 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3183
3184 OPROFILE=no
3185 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3186         if test x$with_oprofile != xno; then
3187             oprofile_include=$with_oprofile/include
3188             if test ! -f $oprofile_include/opagent.h; then
3189                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3190                 fi
3191             OPROFILE=yes
3192                 OPROFILE_CFLAGS="-I$oprofile_include"
3193             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3194             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3195         fi
3196 ])
3197
3198 MALLOC_MEMPOOLS=no
3199 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3200         if test x$with_malloc_mempools = xyes; then
3201                 MALLOC_MEMPOOLS=yes
3202                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3203         fi
3204 ])
3205
3206
3207 DISABLE_MCS_DOCS=no
3208 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3209         if test x$with_mcs_docs != xyes; then
3210                 DISABLE_MCS_DOCS=yes
3211         fi
3212 ])
3213 if test x$with_profile4 != xyes; then
3214         DISABLE_MCS_DOCS=yes
3215 fi
3216
3217 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)],[
3218         if test x$with_lazy_gc_thread_creation != xno ; then
3219                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3220         fi
3221 ], [with_lazy_gc_thread_creation=no])
3222
3223 AC_CHECK_HEADER([malloc.h],
3224                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3225                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3226
3227 if test x"$GCC" = xyes; then
3228         # Implicit function declarations are not 64 bit safe
3229         # Do this late, since this causes lots of configure tests to fail
3230         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3231         # jay has a lot of implicit declarations
3232         JAY_CFLAGS="-Wno-implicit-function-declaration"
3233 fi
3234
3235 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3236 # instead of libmono-static.a
3237 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3238    LIBMONO_LA=libmini-static.la
3239 else
3240    if test x$buildsgen = xyes; then
3241       LIBMONO_LA=libmonosgen-$API_VER.la
3242    else
3243       LIBMONO_LA=libmonoboehm-$API_VER.la
3244    fi
3245 fi
3246 AC_SUBST(LIBMONO_LA)
3247
3248 dnl
3249 dnl Consistency settings
3250 dnl
3251 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3252    DISABLE_MCS_DOCS=yes
3253    with_profile2=no
3254    with_profile4=no
3255    with_profile4_5=no
3256    with_monodroid=no
3257    with_monotouch=no
3258    with_xammac=no
3259 fi
3260
3261 if test x$DISABLE_MCS_DOCS = xyes; then
3262    docs_dir=""
3263 else
3264    docs_dir=docs
3265 fi
3266 AC_SUBST(docs_dir)
3267
3268 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3269 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3270
3271 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3272 AC_SUBST(OPROFILE_CFLAGS)
3273 AC_SUBST(OPROFILE_LIBS)
3274
3275 libmono_ldflags="$libmono_ldflags $LIBS"
3276
3277 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3278 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3279 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3280 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3281 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3282 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3283 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3284 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3285
3286 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3287 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3288 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3289 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3290 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3291 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3292 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3293 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3294 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3295 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3296 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3297 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3298 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3299 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3300 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3301 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3302
3303 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3304 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3305 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3306
3307 AC_SUBST(LIBC)
3308 AC_SUBST(INTL)
3309 AC_SUBST(SQLITE)
3310 AC_SUBST(SQLITE3)
3311 AC_SUBST(X11)
3312 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3313 AC_SUBST(arch_target)
3314 AC_SUBST(CFLAGS)
3315 AC_SUBST(CPPFLAGS)
3316 AC_SUBST(LDFLAGS)
3317
3318 mono_build_root=`pwd`
3319 AC_SUBST(mono_build_root)
3320
3321 if test x$USEJIT = xtrue; then
3322   mono_runtime=mono/mini/mono
3323 else
3324   mono_runtime=mono/interpreter/mint
3325 fi
3326 AC_SUBST(mono_runtime)
3327
3328 mono_cfg_root=$mono_build_root/runtime
3329 if test x$host_win32 = xyes; then
3330   if test "x$cross_compiling" = "xno"; then
3331     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3332   else
3333     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3334   fi
3335 else
3336   mono_cfg_dir=$mono_cfg_root/etc
3337 fi
3338 AC_SUBST(mono_cfg_dir)
3339
3340 AC_CONFIG_FILES([po/mcs/Makefile.in])
3341
3342 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3343 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3344
3345 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3346 [   depth=../../../..
3347     case $srcdir in
3348     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3349     .) reldir=$depth ;;
3350     *) reldir=$depth/$srcdir ;;
3351     esac
3352     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3353     cd runtime/etc/mono/1.0
3354     rm -f machine.config
3355     $LN_S $reldir/data/net_1_1/machine.config machine.config
3356     cd $depth
3357 ],[LN_S='$LN_S'])
3358
3359 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3360 [   depth=../../../..
3361     case $srcdir in
3362     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3363     .) reldir=$depth ;;
3364     *) reldir=$depth/$srcdir ;;
3365     esac
3366     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3367     cd runtime/etc/mono/2.0
3368     rm -f machine.config
3369     $LN_S $reldir/data/net_2_0/machine.config machine.config
3370     cd $depth
3371 ],[LN_S='$LN_S'])
3372
3373 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3374 [   depth=../../../..
3375     case $srcdir in
3376     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3377     .) reldir=$depth ;;
3378     *) reldir=$depth/$srcdir ;;
3379     esac
3380     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3381     cd runtime/etc/mono/2.0
3382     rm -f web.config
3383     $LN_S $reldir/data/net_2_0/web.config web.config
3384     cd $depth
3385 ],[LN_S='$LN_S'])
3386
3387 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3388 [   depth=../../..
3389     case $srcdir in
3390     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3391     .) reldir=$depth ;;
3392     *) reldir=$depth/$srcdir ;;
3393     esac
3394     $ac_aux_dir/install-sh -d runtime/etc/mono/
3395     cd runtime/etc/mono/
3396     rm -f browscap.ini
3397     $LN_S $reldir/data/browscap.ini browscap.ini
3398     cd $depth
3399 ],[LN_S='$LN_S'])
3400
3401 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3402 [   depth=../../../../..
3403     case $srcdir in
3404     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3405     .) reldir=$depth ;;
3406     *) reldir=$depth/$srcdir ;;
3407     esac
3408     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3409     cd runtime/etc/mono/2.0/Browsers
3410     rm -f Compat.browser
3411     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3412     cd $depth
3413 ],[LN_S='$LN_S'])
3414
3415 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3416 [   depth=../../../../..
3417     case $srcdir in
3418     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3419     .) reldir=$depth ;;
3420     *) reldir=$depth/$srcdir ;;
3421     esac
3422     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3423     cd runtime/etc/mono/4.0/Browsers
3424     rm -f Compat.browser
3425     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3426     cd $depth
3427 ],[LN_S='$LN_S'])
3428
3429 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3430 [   depth=../../../../..
3431     case $srcdir in
3432     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3433     .) reldir=$depth ;;
3434     *) reldir=$depth/$srcdir ;;
3435     esac
3436     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3437     cd runtime/etc/mono/4.5/Browsers
3438     rm -f Compat.browser
3439     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3440     cd $depth
3441 ],[LN_S='$LN_S'])
3442
3443 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3444 [   depth=../../../..
3445     case $srcdir in
3446     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3447     .) reldir=$depth ;;
3448     *) reldir=$depth/$srcdir ;;
3449     esac
3450     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3451     cd runtime/etc/mono/4.0
3452     rm -f machine.config
3453     $LN_S $reldir/data/net_4_0/machine.config machine.config
3454     cd $depth
3455 ],[LN_S='$LN_S'])
3456
3457 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3458 [   depth=../../../..
3459     case $srcdir in
3460     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3461     .) reldir=$depth ;;
3462     *) reldir=$depth/$srcdir ;;
3463     esac
3464     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3465     cd runtime/etc/mono/4.0
3466     rm -f web.config
3467     $LN_S $reldir/data/net_4_0/web.config web.config
3468     cd $depth
3469 ],[LN_S='$LN_S'])
3470
3471 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3472 [   depth=../../../..
3473     case $srcdir in
3474     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3475     .) reldir=$depth ;;
3476     *) reldir=$depth/$srcdir ;;
3477     esac
3478     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3479     cd runtime/etc/mono/4.5
3480     rm -f machine.config
3481     $LN_S $reldir/data/net_4_5/machine.config machine.config
3482     cd $depth
3483 ],[LN_S='$LN_S'])
3484
3485 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3486 [   depth=../../../..
3487     case $srcdir in
3488     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3489     .) reldir=$depth ;;
3490     *) reldir=$depth/$srcdir ;;
3491     esac
3492     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3493     cd runtime/etc/mono/4.5
3494     rm -f web.config
3495     $LN_S $reldir/data/net_4_5/web.config web.config
3496     cd $depth
3497 ],[LN_S='$LN_S'])
3498
3499 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])
3500
3501 AC_OUTPUT([
3502 Makefile
3503 mono-core.spec
3504 mono-uninstalled.pc
3505 scripts/mono-find-provides
3506 scripts/mono-find-requires
3507 mono/Makefile
3508 mono/utils/Makefile
3509 mono/metadata/Makefile
3510 mono/dis/Makefile
3511 mono/cil/Makefile
3512 mono/arch/Makefile
3513 mono/arch/x86/Makefile
3514 mono/arch/amd64/Makefile
3515 mono/arch/ppc/Makefile
3516 mono/arch/sparc/Makefile
3517 mono/arch/s390x/Makefile
3518 mono/arch/arm/Makefile
3519 mono/arch/ia64/Makefile
3520 mono/arch/mips/Makefile
3521 mono/interpreter/Makefile
3522 mono/tests/Makefile
3523 mono/tests/tests-config
3524 mono/tests/assemblyresolve/Makefile
3525 mono/tests/cas/Makefile
3526 mono/tests/cas/assembly/Makefile
3527 mono/tests/cas/demand/Makefile
3528 mono/tests/cas/inheritance/Makefile
3529 mono/tests/cas/linkdemand/Makefile
3530 mono/tests/cas/threads/Makefile
3531 mono/tests/gc-descriptors/Makefile
3532 mono/benchmark/Makefile
3533 mono/monograph/Makefile
3534 mono/io-layer/Makefile
3535 mono/mini/Makefile
3536 mono/profiler/Makefile
3537 m4/Makefile
3538 ikvm-native/Makefile
3539 scripts/Makefile
3540 man/Makefile
3541 docs/Makefile
3542 data/Makefile
3543 data/net_2_0/Makefile
3544 data/net_4_0/Makefile
3545 data/net_4_5/Makefile
3546 data/net_2_0/Browsers/Makefile
3547 data/net_4_0/Browsers/Makefile
3548 data/net_4_5/Browsers/Makefile
3549 data/mint.pc
3550 data/mono-2.pc
3551 data/monosgen-2.pc
3552 data/mono.pc
3553 data/mono-cairo.pc
3554 data/mono-nunit.pc
3555 data/mono-options.pc
3556 data/mono-lineeditor.pc
3557 data/monodoc.pc
3558 data/mono.web.pc
3559 data/dotnet.pc
3560 data/dotnet35.pc
3561 data/wcf.pc
3562 data/cecil.pc
3563 data/system.web.extensions_1.0.pc
3564 data/system.web.extensions.design_1.0.pc
3565 data/system.web.mvc.pc
3566 data/system.web.mvc2.pc
3567 data/system.web.mvc3.pc
3568 data/aspnetwebstack.pc
3569 data/reactive.pc
3570 samples/Makefile
3571 support/Makefile
3572 data/config
3573 tools/Makefile
3574 tools/locale-builder/Makefile
3575 tools/sgen/Makefile
3576 runtime/Makefile
3577 msvc/Makefile
3578 po/Makefile
3579 ])
3580
3581 # Update all submodules recursively to ensure everything is checked out
3582 $srcdir/scripts/update_submodules
3583
3584 if test x$host_win32 = xyes; then
3585    # Get rid of 'cyg' prefixes in library names
3586    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3587    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3588    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3589    # executable doesn't work...
3590    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3591 fi
3592
3593 if test x$platform_darwin = xyes; then
3594    # This doesn't seem to be required and it slows down parallel builds
3595    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3596 fi
3597
3598 (
3599   case $prefix in
3600   NONE) prefix=$ac_default_prefix ;;
3601   esac
3602   case $exec_prefix in
3603   NONE) exec_prefix='${prefix}' ;;
3604   esac
3605
3606   #
3607   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3608   # any existing config.make.  This allows people to share the same source tree
3609   # with different build directories, one native and one cross
3610   #
3611   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3612
3613     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3614
3615     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3616     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3617     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3618     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3619     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3620     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3621     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3622     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3623
3624     case $INSTALL in
3625     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3626     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3627     esac
3628
3629     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3630
3631     export VERSION
3632     [myver=$($AWK 'BEGIN {
3633       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3634       if(length(vsplit [1]) > 4) {
3635         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3636       }
3637       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3638     }')]
3639
3640     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3641
3642     if test x$platform_darwin = xyes; then
3643       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3644     fi
3645
3646         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3647            enable_system_aot=yes
3648         fi
3649
3650         if test "x$enable_loadedllvm" = "xyes"; then
3651            # This seems to fail on the x86 buildbots
3652            enable_system_aot=no
3653         fi
3654
3655     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3656       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3657     fi
3658
3659     if test x$DISABLE_MCS_DOCS = xyes; then
3660       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3661     fi
3662
3663     if test x$has_extension_module != xno; then
3664         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3665     fi
3666
3667         default_profile=net_2_0
3668     if test -z "$INSTALL_4_0_TRUE"; then :
3669                 default_profile=net_4_0
3670     fi
3671     if test -z "$INSTALL_MONODROID_TRUE"; then :
3672                 default_profile=monodroid
3673     fi
3674     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3675                 default_profile=monotouch
3676     fi
3677         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3678                 default_profile=xammac
3679         fi
3680     if test -z "$INSTALL_4_5_TRUE"; then :
3681                 default_profile=net_4_5
3682     fi
3683
3684     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3685
3686     if test "x$test_bcl_opt" = "xyes"; then
3687       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3688     fi
3689
3690   fi
3691
3692   # if we have an olive folder, override the default settings
3693   if test -d $olivedir; then
3694
3695     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3696
3697       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3698
3699       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3700       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3701       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3702       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3703       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3704       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3705     fi
3706   fi
3707
3708 )
3709
3710 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3711
3712 echo "
3713         mcs source:    $mcsdir
3714
3715    Engine:
3716         GC:            $gc_msg
3717         TLS:           $with_tls
3718         SIGALTSTACK:   $with_sigaltstack
3719         Engine:        $jit_status
3720         oprofile:      $OPROFILE
3721         BigArrays:     $enable_big_arrays
3722         DTrace:        $enable_dtrace
3723         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3724
3725    Libraries:
3726         .NET 2.0/3.5:  $with_profile2
3727         .NET 4.0:      $with_profile4
3728         .NET 4.5:      $with_profile4_5
3729         MonoDroid:     $with_monodroid
3730         MonoTouch:     $with_monotouch
3731         Xamarin.Mac:   $with_xammac
3732         JNI support:   $jdk_headers_found
3733         libgdiplus:    $libgdiplus_msg
3734         zlib:          $zlib_msg
3735         $disabled
3736 "
3737 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3738    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3739 fi