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$enable_native_types = xyes; then
 962         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 963 fi
 964
 965 AM_CONDITIONAL([ENABLE_NATIVE_TYPES], [test x$enable_native_types != xno])
 966
 967 AC_MSG_CHECKING(for visibility __attribute__)
 968 AC_COMPILE_IFELSE([
 969         AC_LANG_SOURCE([[
 970                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 971                 int main () { doit (); return 0; }
 972         ]])
 973 ], [
 974    have_visibility_hidden=yes
 975    AC_MSG_RESULT(yes)
 976 ], [
 977    have_visibility_hidden=no
 978    AC_MSG_RESULT(no)
 979 ])
 980
 981 AC_MSG_CHECKING(for deprecated __attribute__)
 982 AC_TRY_COMPILE([
 983      int doit (void) __attribute__ ((deprecated));
 984      int doit (void) { return 0; }
 985 ], [
 986         return 0;
 987 ], [
 988    have_deprecated=yes
 989    AC_MSG_RESULT(yes)
 990 ], [
 991    have_deprecated=no
 992    AC_MSG_RESULT(no)
 993 ])
 994
 995 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 996 if test x$enable_parallel_mark = xyes; then
 997         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 998 fi
 999
1000 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1001 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1002
1003 dnl
1004 dnl Boehm GC configuration
1005 dnl
1006 LIBGC_CPPFLAGS=
1007 LIBGC_LIBS=
1008 LIBGC_STATIC_LIBS=
1009 libgc_dir=
1010 case "x$gc" in
1011         xboehm|xbohem|xyes)
1012                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1013                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1014
1015                 if test "x$found_boehm" != "xyes"; then
1016                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1017                 fi
1018                 if test "x$gc_headers" != "xyes"; then
1019                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1020                 fi
1021
1022                 LIBGC_LIBS="-lgc $libdl"
1023                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1024                 libmono_ldflags="$libmono_ldflags -lgc"
1025                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1026
1027                 # AC_CHECK_FUNCS does not work for some reason...
1028                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1029                 if test "x$found_gcj_malloc" = "xyes"; then
1030                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1031                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1032                         gc_msg="System Boehm with typed GC"
1033                 else
1034                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1035                         gc_msg="System Boehm (without typed GC)"
1036                 fi
1037                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1038                 if test "x$found_gc_enable" = "xyes"; then
1039                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1040                 fi
1041
1042                 # check whether we need to explicitly allow
1043                 # thread registering
1044                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1045                 if test "x$found_allow_register_threads" = "xyes"; then
1046                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1047                 fi
1048
1049                 ;;
1050
1051         xincluded)
1052                 use_included_gc=yes
1053                 libgc_dir=libgc
1054
1055                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1056                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1057                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1058
1059                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1060
1061                 if test x$target_win32 = xyes; then
1062                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1063                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1064                 fi
1065
1066                 gc_msg="bundled Boehm GC with typed GC"
1067                 if test x$enable_parallel_mark = xyes; then
1068                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1069                         gc_msg="$gc_msg and parallel mark"
1070                 else
1071                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1072                 fi
1073                 ;;
1074
1075         xsgen)
1076                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1077                 ;;
1078
1079         xnone)
1080                 AC_MSG_WARN("Compiling mono without GC.")
1081                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1082                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1083                 ;;
1084         *)
1085                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1086                 ;;
1087 esac
1088
1089 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1090 if test "x$large_heap" = "xyes"; then
1091    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1092 fi
1093
1094 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1095 AC_SUBST(LIBGC_CPPFLAGS)
1096 AC_SUBST(LIBGC_LIBS)
1097 AC_SUBST(LIBGC_STATIC_LIBS)
1098 AC_SUBST(libgc_dir)
1099 AC_SUBST(BOEHM_DEFINES)
1100
1101 dnl
1102 dnl End of libgc checks
1103 dnl
1104
1105 dnl *************************************
1106 dnl *** Checks for zero length arrays ***
1107 dnl *************************************
1108 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1109 AC_TRY_COMPILE([
1110         struct s {
1111                 int  length;
1112                 char data [0];
1113         };
1114 ], [], [
1115         AC_MSG_RESULT(yes)
1116         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1117 ], [
1118         AC_MSG_RESULT(no)
1119         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1120 ])
1121
1122 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1123
1124 if test x$target_win32 = xno; then
1125
1126         dnl hires monotonic clock support
1127         AC_SEARCH_LIBS(clock_gettime, rt)
1128
1129         dnl dynamic loader support
1130         AC_CHECK_FUNC(dlopen, DL_LIB="",
1131                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1132         )
1133         if test x$dl_support = xno; then
1134                 AC_MSG_WARN([No dynamic loading support available])
1135         else
1136                 LIBS="$LIBS $DL_LIB"
1137                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1138                 dnl from glib's configure.in
1139                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1140                         mono_cv_uscore,[
1141                         AC_TRY_RUN([#include <dlfcn.h>
1142                         int mono_underscore_test (void) { return 42; }
1143                         int main() {
1144                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1145                           handle = dlopen ((void*)0, 0);
1146                           if (handle) {
1147                             f1 = dlsym (handle, "mono_underscore_test");
1148                             f2 = dlsym (handle, "_mono_underscore_test");
1149                           } return (!f2 || f1);
1150                         }],
1151                                 [mono_cv_uscore=yes],
1152                                 [mono_cv_uscore=no],
1153                         [])
1154                 ])
1155                 if test "x$mono_cv_uscore" = "xyes"; then
1156                         MONO_DL_NEED_USCORE=1
1157                 else
1158                         MONO_DL_NEED_USCORE=0
1159                 fi
1160                 AC_SUBST(MONO_DL_NEED_USCORE)
1161                 AC_CHECK_FUNC(dlerror)
1162         fi
1163
1164         dnl ******************************************************************
1165         dnl *** Checks for the IKVM JNI interface library                  ***
1166         dnl ******************************************************************
1167         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])
1168
1169         ikvm_native_dir=
1170         if test x$with_ikvm_native = xyes; then
1171                 ikvm_native_dir=ikvm-native
1172                 jdk_headers_found="IKVM Native"
1173         fi
1174
1175         AC_SUBST(ikvm_native_dir)
1176
1177         AC_CHECK_HEADERS(execinfo.h)
1178
1179         AC_CHECK_HEADERS(sys/auxv.h)
1180
1181         AC_CHECK_FUNCS(getgrgid_r)
1182         AC_CHECK_FUNCS(getgrnam_r)
1183         AC_CHECK_FUNCS(getpwnam_r)
1184         AC_CHECK_FUNCS(getpwuid_r)
1185         AC_CHECK_FUNCS(getresuid)
1186         AC_CHECK_FUNCS(setresuid)
1187         AC_CHECK_FUNCS(kqueue)
1188         AC_CHECK_FUNCS(backtrace_symbols)
1189         AC_CHECK_FUNCS(mkstemp)
1190         AC_CHECK_FUNCS(mmap)
1191         AC_CHECK_FUNCS(madvise)
1192         AC_CHECK_FUNCS(getrusage)
1193         AC_CHECK_FUNCS(getpriority)
1194         AC_CHECK_FUNCS(setpriority)
1195         AC_CHECK_FUNCS(dl_iterate_phdr)
1196         AC_CHECK_FUNCS(dladdr)
1197         AC_CHECK_FUNCS(sysconf)
1198
1199         AC_CHECK_FUNCS(sched_setaffinity)
1200         AC_CHECK_FUNCS(sched_getcpu)
1201
1202         dnl ****************************************************************
1203         dnl *** Check for sched_setaffinity from glibc versions before   ***
1204         dnl *** 2.3.4. The older versions of the function only take 2    ***
1205         dnl *** parameters, not 3.                                       ***
1206         dnl ***                                                          ***
1207         dnl *** Because the interface change was not made in a minor     ***
1208         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1209         dnl *** won't always indicate the interface sched_affinity has.  ***
1210         dnl ****************************************************************
1211         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1212         AC_TRY_COMPILE([#include <sched.h>], [
1213             int mask = 1;
1214             sched_setaffinity(0, &mask);
1215                         return 0;
1216         ], [
1217                 # Yes, we have it...
1218                 AC_MSG_RESULT(yes)
1219                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1220         ], [
1221                 # We have the new, three-parameter version
1222                 AC_MSG_RESULT(no)
1223         ])
1224
1225
1226         dnl ******************************************************************
1227         dnl *** Check for large file support                               ***
1228         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1229         dnl ******************************************************************
1230
1231         # Check that off_t can represent 2**63 - 1 correctly, working around
1232         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1233         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1234         large_offt=no
1235         AC_DEFUN([LARGE_FILES], [
1236                 large_CPPFLAGS=$CPPFLAGS
1237                 CPPFLAGS="$CPPFLAGS $1"
1238                 AC_TRY_COMPILE([
1239                         #include <sys/types.h>
1240                         #include <limits.h>
1241                 ], [
1242                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1243                         #define COMPILE_TIME_ASSERT(pred) \
1244                                 switch(0){case 0:case pred:;}
1245                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1246                 ], [
1247                         AC_MSG_RESULT(ok)
1248                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1249                         large_CPPFLAGS="$large_CPPFLAGS $1"
1250                         large_offt=yes
1251                 ], [
1252                         AC_MSG_RESULT(no)
1253                 ])
1254                 CPPFLAGS=$large_CPPFLAGS
1255         ])
1256
1257         AC_MSG_CHECKING(if off_t is 64 bits wide)
1258         LARGE_FILES("")
1259         if test $large_offt = no; then
1260                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1261                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1262         fi
1263         if test $large_offt = no; then
1264                 AC_MSG_WARN([No 64 bit file size support available])
1265         fi
1266
1267         dnl *****************************
1268         dnl *** Checks for libsocket  ***
1269         dnl *****************************
1270         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1271
1272         case "$host" in
1273                 *-*-*freebsd*)
1274                         dnl *****************************
1275                         dnl *** Checks for libinotify ***
1276                         dnl *****************************
1277                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1278         esac
1279
1280         dnl *******************************
1281         dnl *** Checks for MSG_NOSIGNAL ***
1282         dnl *******************************
1283         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1284         AC_TRY_COMPILE([#include <sys/socket.h>], [
1285                 int f = MSG_NOSIGNAL;
1286         ], [
1287                 # Yes, we have it...
1288                 AC_MSG_RESULT(yes)
1289                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1290         ], [
1291                 # We'll have to use signals
1292                 AC_MSG_RESULT(no)
1293         ])
1294
1295         dnl *****************************
1296         dnl *** Checks for IPPROTO_IP ***
1297         dnl *****************************
1298         AC_MSG_CHECKING(for IPPROTO_IP)
1299         AC_TRY_COMPILE([#include <netinet/in.h>], [
1300                 int level = IPPROTO_IP;
1301         ], [
1302                 # Yes, we have it...
1303                 AC_MSG_RESULT(yes)
1304                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1305         ], [
1306                 # We'll have to use getprotobyname
1307                 AC_MSG_RESULT(no)
1308         ])
1309
1310         dnl *******************************
1311         dnl *** Checks for IPPROTO_IPV6 ***
1312         dnl *******************************
1313         AC_MSG_CHECKING(for IPPROTO_IPV6)
1314         AC_TRY_COMPILE([#include <netinet/in.h>], [
1315                 int level = IPPROTO_IPV6;
1316         ], [
1317                 # Yes, we have it...
1318                 AC_MSG_RESULT(yes)
1319                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1320         ], [
1321                 # We'll have to use getprotobyname
1322                 AC_MSG_RESULT(no)
1323         ])
1324
1325         dnl ******************************
1326         dnl *** Checks for IPPROTO_TCP ***
1327         dnl ******************************
1328         AC_MSG_CHECKING(for IPPROTO_TCP)
1329         AC_TRY_COMPILE([#include <netinet/in.h>], [
1330                 int level = IPPROTO_TCP;
1331         ], [
1332                 # Yes, we have it...
1333                 AC_MSG_RESULT(yes)
1334                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1335         ], [
1336                 # We'll have to use getprotobyname
1337                 AC_MSG_RESULT(no)
1338         ])
1339
1340         dnl *****************************
1341         dnl *** Checks for SOL_IP     ***
1342         dnl *****************************
1343         AC_MSG_CHECKING(for SOL_IP)
1344         AC_TRY_COMPILE([#include <netdb.h>], [
1345                 int level = SOL_IP;
1346         ], [
1347                 # Yes, we have it...
1348                 AC_MSG_RESULT(yes)
1349                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1350         ], [
1351                 # We'll have to use getprotobyname
1352                 AC_MSG_RESULT(no)
1353         ])
1354
1355         dnl *****************************
1356         dnl *** Checks for SOL_IPV6     ***
1357         dnl *****************************
1358         AC_MSG_CHECKING(for SOL_IPV6)
1359         AC_TRY_COMPILE([#include <netdb.h>], [
1360                 int level = SOL_IPV6;
1361         ], [
1362                 # Yes, we have it...
1363                 AC_MSG_RESULT(yes)
1364                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1365         ], [
1366                 # We'll have to use getprotobyname
1367                 AC_MSG_RESULT(no)
1368         ])
1369
1370         dnl *****************************
1371         dnl *** Checks for SOL_TCP    ***
1372         dnl *****************************
1373         AC_MSG_CHECKING(for SOL_TCP)
1374         AC_TRY_COMPILE([#include <netdb.h>], [
1375                 int level = SOL_TCP;
1376         ], [
1377                 # Yes, we have it...
1378                 AC_MSG_RESULT(yes)
1379                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1380         ], [
1381                 # We'll have to use getprotobyname
1382                 AC_MSG_RESULT(no)
1383         ])
1384
1385         dnl *****************************
1386         dnl *** Checks for IP_PKTINFO ***
1387         dnl *****************************
1388         AC_MSG_CHECKING(for IP_PKTINFO)
1389         AC_TRY_COMPILE([#include <linux/in.h>], [
1390                 int level = IP_PKTINFO;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1395         ], [
1396                 AC_MSG_RESULT(no)
1397         ])
1398
1399         dnl *****************************
1400         dnl *** Checks for IPV6_PKTINFO ***
1401         dnl *****************************
1402         AC_MSG_CHECKING(for IPV6_PKTINFO)
1403         AC_TRY_COMPILE([#include <netdb.h>], [
1404                 int level = IPV6_PKTINFO;
1405         ], [
1406                 # Yes, we have it...
1407                 AC_MSG_RESULT(yes)
1408                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1409         ], [
1410                 AC_MSG_RESULT(no)
1411         ])
1412
1413         dnl **********************************
1414         dnl *** Checks for IP_DONTFRAG     ***
1415         dnl **********************************
1416         AC_MSG_CHECKING(for IP_DONTFRAG)
1417         AC_TRY_COMPILE([#include <netinet/in.h>], [
1418                 int level = IP_DONTFRAG;
1419         ], [
1420                 # Yes, we have it...
1421                 AC_MSG_RESULT(yes)
1422                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1423         ], [
1424                 AC_MSG_RESULT(no)
1425         ])
1426
1427         dnl **********************************
1428         dnl *** Checks for IP_DONTFRAGMENT ***
1429         dnl **********************************
1430         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1431         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1432                 int level = IP_DONTFRAGMENT;
1433         ], [
1434                 # Yes, we have it...
1435                 AC_MSG_RESULT(yes)
1436                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1437         ], [
1438                 AC_MSG_RESULT(no)
1439         ])
1440
1441         dnl **********************************
1442         dnl *** Checks for IP_MTU_DISCOVER ***
1443         dnl **********************************
1444         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1445         AC_TRY_COMPILE([#include <linux/in.h>], [
1446                 int level = IP_MTU_DISCOVER;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1451         ], [
1452                 AC_MSG_RESULT(no)
1453         ])
1454
1455         dnl **********************************
1456         dnl *** Checks for  IP_PMTUDISC_DO ***
1457         dnl **********************************
1458         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1459         AC_TRY_COMPILE([#include <linux/in.h>], [
1460                 int level = IP_PMTUDISC_DO;
1461         ], [
1462                 # Yes, we have it...
1463                 AC_MSG_RESULT(yes)
1464                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1465         ], [
1466                 AC_MSG_RESULT(no)
1467         ])
1468
1469         dnl *********************************
1470         dnl *** Check for struct ip_mreqn ***
1471         dnl *********************************
1472         AC_MSG_CHECKING(for struct ip_mreqn)
1473         AC_TRY_COMPILE([#include <netinet/in.h>], [
1474                 struct ip_mreqn mreq;
1475                 mreq.imr_address.s_addr = 0;
1476         ], [
1477                 # Yes, we have it...
1478                 AC_MSG_RESULT(yes)
1479                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1480         ], [
1481                 # We'll just have to try and use struct ip_mreq
1482                 AC_MSG_RESULT(no)
1483                 AC_MSG_CHECKING(for struct ip_mreq)
1484                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1485                         struct ip_mreq mreq;
1486                         mreq.imr_interface.s_addr = 0;
1487                 ], [
1488                         # Yes, we have it...
1489                         AC_MSG_RESULT(yes)
1490                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1491                 ], [
1492                         # No multicast support
1493                         AC_MSG_RESULT(no)
1494                 ])
1495         ])
1496
1497         dnl **********************************
1498         dnl *** Check for gethostbyname2_r ***
1499         dnl **********************************
1500         AC_MSG_CHECKING(for gethostbyname2_r)
1501                 AC_TRY_LINK([#include <netdb.h>], [
1502                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1503         ], [
1504                 # Yes, we have it...
1505                 AC_MSG_RESULT(yes)
1506                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1507         ], [
1508                 AC_MSG_RESULT(no)
1509         ])
1510
1511         dnl *****************************
1512         dnl *** Checks for libnsl     ***
1513         dnl *****************************
1514         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1515
1516         AC_CHECK_FUNCS(inet_pton inet_aton)
1517
1518         dnl ***********************************************
1519         dnl *** Checks for size of sockaddr_un.sun_path ***
1520         dnl ***********************************************
1521         # AC_CHECK_SIZEOF can't cope with struct members :-(
1522         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1523         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1524                 [AC_TRY_RUN([
1525                         #include <sys/types.h>
1526                         #include <stdio.h>
1527                         #include <sys/un.h>
1528
1529                         int main(void) {
1530                                 struct sockaddr_un sock_un;
1531                                 FILE *f=fopen("conftestval", "w");
1532                                 if(!f) exit(1);
1533                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1534                                 exit(0);
1535                         }
1536                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1537                    mono_cv_sizeof_sunpath=0,
1538                    mono_cv_sizeof_sunpath=0)])dnl
1539         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1540         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1541
1542         dnl *****************************
1543         dnl *** Checks for libxnet    ***
1544         dnl *****************************
1545         case "${host}" in
1546                 *solaris* )
1547                         AC_MSG_CHECKING(for Solaris XPG4 support)
1548                         if test -f /usr/lib/libxnet.so; then
1549                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1550                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1551                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1552                                 LIBS="$LIBS -lxnet"
1553                                 AC_MSG_RESULT(yes)
1554                         else
1555                                 AC_MSG_RESULT(no)
1556                         fi
1557
1558                         if test "$GCC" = "yes"; then
1559                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1560                         fi
1561                 ;;
1562         esac
1563
1564         dnl *****************************
1565         dnl *** Checks for libpthread ***
1566         dnl *****************************
1567 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1568 # and libpthread does not exist
1569 #
1570         case "${host}" in
1571                 *-*-*freebsd*)
1572                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1573                 ;;
1574                 *-*-*openbsd*)
1575                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1576                 ;;
1577                 *)
1578                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1579                 ;;
1580         esac
1581         AC_CHECK_HEADERS(pthread.h)
1582         AC_CHECK_HEADERS(pthread_np.h)
1583         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1584         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1585         AC_CHECK_FUNCS(pthread_kill)
1586         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1587         AC_TRY_COMPILE([ #include <pthread.h>], [
1588                 pthread_mutexattr_t attr;
1589                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1590         ], [
1591                 AC_MSG_RESULT(ok)
1592         ], [
1593                 AC_MSG_RESULT(no)
1594                 AC_ERROR(Posix system lacks support for recursive mutexes)
1595         ])
1596         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1597         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1598         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1599
1600         dnl ***********************************
1601         dnl *** Checks for signals
1602         dnl ***********************************
1603         AC_CHECK_HEADERS(signal.h)
1604         AC_CHECK_FUNCS(sigaction)
1605
1606         dnl ***********************************
1607         dnl *** Checks for working __thread ***
1608         dnl ***********************************
1609         AC_MSG_CHECKING(for working __thread)
1610         if test "x$with_tls" != "x__thread"; then
1611                 AC_MSG_RESULT(disabled)
1612         elif test "x$cross_compiling" = "xyes"; then
1613                 AC_MSG_RESULT(cross compiling, assuming yes)
1614         else
1615                 AC_TRY_RUN([
1616                         #if defined(__APPLE__) && defined(__clang__)
1617                         #error "__thread does not currently work with clang on Mac OS X"
1618                         #endif
1619
1620                         #include <pthread.h>
1621                         __thread int i;
1622                         static int res1, res2;
1623
1624                         void thread_main (void *arg)
1625                         {
1626                                 i = arg;
1627                                 sleep (1);
1628                                 if (arg == 1)
1629                                         res1 = (i == arg);
1630                                 else
1631                                         res2 = (i == arg);
1632                         }
1633
1634                         int main () {
1635                                 pthread_t t1, t2;
1636
1637                                 i = 5;
1638
1639                                 pthread_create (&t1, NULL, thread_main, 1);
1640                                 pthread_create (&t2, NULL, thread_main, 2);
1641
1642                                 pthread_join (t1, NULL);
1643                                 pthread_join (t2, NULL);
1644
1645                                 return !(res1 + res2 == 2);
1646                         }
1647                 ], [
1648                                 AC_MSG_RESULT(yes)
1649                 ], [
1650                                 AC_MSG_RESULT(no)
1651                                 with_tls=pthread
1652                 ])
1653         fi
1654
1655         dnl **************************************
1656         dnl *** Checks for working sigaltstack ***
1657         dnl **************************************
1658         AC_MSG_CHECKING(for working sigaltstack)
1659         if test "x$with_sigaltstack" != "xyes"; then
1660                 AC_MSG_RESULT(disabled)
1661         elif test "x$cross_compiling" = "xyes"; then
1662                 AC_MSG_RESULT(cross compiling, assuming yes)
1663         else
1664                 AC_TRY_RUN([
1665                         #include <stdio.h>
1666                         #include <stdlib.h>
1667                         #include <unistd.h>
1668                         #include <signal.h>
1669                         #include <pthread.h>
1670                         #include <sys/wait.h>
1671                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1672                         #define SA_STACK SA_ONSTACK
1673                         #endif
1674                         static void
1675                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1676                         {
1677                                 exit (0);
1678                         }
1679
1680                         volatile char*__ptr = NULL;
1681                         static void *
1682                         loop (void *ignored)
1683                         {
1684                                 *__ptr = 0;
1685                                 return NULL;
1686                         }
1687
1688                         static void
1689                         child ()
1690                         {
1691                                 struct sigaction sa;
1692                         #ifdef __APPLE__
1693                                 stack_t sas;
1694                         #else
1695                                 struct sigaltstack sas;
1696                         #endif
1697                                 pthread_t id;
1698                                 pthread_attr_t attr;
1699
1700                                 sa.sa_sigaction = sigsegv_signal_handler;
1701                                 sigemptyset (&sa.sa_mask);
1702                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1703                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1704                                         perror ("sigaction");
1705                                         return;
1706                                 }
1707
1708                                 /* x86 darwin deliver segfaults using SIGBUS */
1709                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1710                                         perror ("sigaction");
1711                                         return;
1712                                 }
1713                                 sas.ss_sp = malloc (SIGSTKSZ);
1714                                 sas.ss_size = SIGSTKSZ;
1715                                 sas.ss_flags = 0;
1716                                 if (sigaltstack (&sas, NULL) == -1) {
1717                                         perror ("sigaltstack");
1718                                         return;
1719                                 }
1720
1721                                 pthread_attr_init (&attr);
1722                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1723                                         printf ("pthread_create\n");
1724                                         return;
1725                                 }
1726
1727                                 sleep (100);
1728                         }
1729
1730                         int
1731                         main ()
1732                         {
1733                                 pid_t son;
1734                                 int status;
1735                                 int i;
1736
1737                                 son = fork ();
1738                                 if (son == -1) {
1739                                         return 1;
1740                                 }
1741
1742                                 if (son == 0) {
1743                                         child ();
1744                                         return 0;
1745                                 }
1746
1747                                 for (i = 0; i < 300; ++i) {
1748                                         waitpid (son, &status, WNOHANG);
1749                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1750                                                 return 0;
1751                                         usleep (10000);
1752                                 }
1753
1754                                 kill (son, SIGKILL);
1755                                 return 1;
1756                         }
1757
1758                 ], [
1759                                 AC_MSG_RESULT(yes)
1760                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1761                 ], [
1762                                 with_sigaltstack=no
1763                                 AC_MSG_RESULT(no)
1764                 ])
1765         fi
1766
1767         dnl ********************************
1768         dnl *** Checks for semaphore lib ***
1769         dnl ********************************
1770         # 'Real Time' functions on Solaris
1771         # posix4 on Solaris 2.6
1772         # pthread (first!) on Linux
1773         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1774
1775         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1776         AC_CHECK_FUNCS(shm_open)
1777
1778         dnl ********************************
1779         dnl *** Checks for timezone stuff **
1780         dnl ********************************
1781         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1782                 AC_TRY_COMPILE([
1783                         #include <time.h>
1784                         ], [
1785                         struct tm tm;
1786                         tm.tm_gmtoff = 1;
1787                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1788         if test $ac_cv_struct_tm_gmtoff = yes; then
1789                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1790         else
1791                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1792                         AC_TRY_COMPILE([
1793                                 #include <time.h>
1794                         ], [
1795                                 timezone = 1;
1796                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1797                 if test $ac_cv_var_timezone = yes; then
1798                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1799                 else
1800                         AC_ERROR(unable to find a way to determine timezone)
1801                 fi
1802         fi
1803
1804         dnl *********************************
1805         dnl *** Checks for math functions ***
1806         dnl *********************************
1807         AC_SEARCH_LIBS(sqrtf, m)
1808         if test "x$has_broken_apple_cpp" != "xyes"; then
1809                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1810                         AC_TRY_LINK([#include <math.h>],
1811                         [ finite(0.0); ],
1812                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1813                         AC_MSG_RESULT(no)))
1814         fi
1815         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1816                 AC_TRY_LINK([#include <math.h>],
1817                 [ isfinite(0.0); ],
1818                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1819                 AC_MSG_RESULT(no)))
1820
1821         dnl ****************************************************************
1822         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1823         dnl *** have it in the library (duh))                            ***
1824         dnl ****************************************************************
1825         AC_CHECK_FUNCS(poll)
1826
1827         dnl *************************
1828         dnl *** Check for signbit ***
1829         dnl *************************
1830         AC_MSG_CHECKING(for signbit)
1831         AC_TRY_LINK([#include <math.h>], [
1832                 int s = signbit(1.0);
1833         ], [
1834                 AC_MSG_RESULT(yes)
1835                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1836         ], [
1837                 AC_MSG_RESULT(no)
1838         ])
1839
1840         dnl **********************************
1841         dnl *** epoll                      ***
1842         dnl **********************************
1843         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1844                 AC_CHECK_HEADERS(sys/epoll.h)
1845                 haveepoll=no
1846                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1847                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1848                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1849                 fi
1850         fi
1851
1852         havekqueue=no
1853
1854         AC_CHECK_HEADERS(sys/event.h)
1855         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1856
1857         dnl **************************************
1858         dnl * Darwin has a race that prevents us from using reliably:
1859         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1860         dnl * Since kqueue is mostly used for scaling large web servers,
1861         dnl * and very few folks run Mono on large web servers on OSX, falling
1862         dnl * back
1863         dnl **************************************
1864         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1865                 if x$platform_darwin = xno; then
1866                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1867                 fi
1868         fi
1869
1870         dnl ******************************
1871         dnl *** Checks for SIOCGIFCONF ***
1872         dnl ******************************
1873         AC_CHECK_HEADERS(sys/ioctl.h)
1874         AC_CHECK_HEADERS(net/if.h, [], [],
1875            [
1876            #ifdef HAVE_SYS_TYPES_H
1877            # include <sys/types.h>
1878            #endif
1879            #ifdef HAVE_SYS_SOCKET_H
1880            # include <sys/socket.h>
1881            #endif
1882            ])
1883         AC_MSG_CHECKING(for ifreq)
1884         AC_TRY_COMPILE([
1885                 #include <stdio.h>
1886                 #include <sys/ioctl.h>
1887                 #include <net/if.h>
1888                 ], [
1889                 struct ifconf ifc;
1890                 struct ifreq *ifr;
1891                 void *x;
1892                 ifc.ifc_len = 0;
1893                 ifc.ifc_buf = NULL;
1894                 x = (void *) &ifr->ifr_addr;
1895                 ],[
1896                         AC_MSG_RESULT(yes)
1897                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1898                 ], [
1899                         AC_MSG_RESULT(no)
1900                 ])
1901         dnl **********************************
1902         dnl ***     Checks for sin_len     ***
1903         dnl **********************************
1904         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1905         AC_TRY_COMPILE([
1906                 #include <netinet/in.h>
1907                 ], [
1908                 struct sockaddr_in saddr;
1909                 saddr.sin_len = sizeof (saddr);
1910                 ],[
1911                         AC_MSG_RESULT(yes)
1912                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1913                 ], [
1914                         AC_MSG_RESULT(no)
1915                 ])
1916         dnl **********************************
1917         dnl ***    Checks for sin6_len     ***
1918         dnl **********************************
1919         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1920         AC_TRY_COMPILE([
1921                 #include <netinet/in.h>
1922                 ], [
1923                 struct sockaddr_in6 saddr6;
1924                 saddr6.sin6_len = sizeof (saddr6);
1925                 ],[
1926                         AC_MSG_RESULT(yes)
1927                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1928                 ], [
1929                         AC_MSG_RESULT(no)
1930                 ])
1931         dnl **********************************
1932         dnl *** Check for getifaddrs       ***
1933         dnl **********************************
1934         AC_MSG_CHECKING(for getifaddrs)
1935                 AC_TRY_LINK([
1936                 #include <stdio.h>
1937                 #include <sys/types.h>
1938                 #include <sys/socket.h>
1939                 #include <ifaddrs.h>
1940         ], [
1941                 getifaddrs(NULL);
1942         ], [
1943                 # Yes, we have it...
1944                 AC_MSG_RESULT(yes)
1945                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1946         ], [
1947                 AC_MSG_RESULT(no)
1948         ])
1949         dnl **********************************
1950         dnl *** Check for if_nametoindex   ***
1951         dnl **********************************
1952         AC_MSG_CHECKING(for if_nametoindex)
1953                 AC_TRY_LINK([
1954                 #include <stdio.h>
1955                 #include <sys/types.h>
1956                 #include <sys/socket.h>
1957                 #include <net/if.h>
1958         ], [
1959                 if_nametoindex(NULL);
1960         ], [
1961                 # Yes, we have it...
1962                 AC_MSG_RESULT(yes)
1963                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1964         ], [
1965                 AC_MSG_RESULT(no)
1966         ])
1967
1968         dnl **********************************
1969         dnl *** Checks for MonoPosixHelper ***
1970         dnl **********************************
1971         AC_CHECK_HEADERS(checklist.h)
1972         AC_CHECK_HEADERS(pathconf.h)
1973         AC_CHECK_HEADERS(fstab.h)
1974         AC_CHECK_HEADERS(attr/xattr.h)
1975         AC_CHECK_HEADERS(sys/extattr.h)
1976         AC_CHECK_HEADERS(sys/sendfile.h)
1977         AC_CHECK_HEADERS(sys/statvfs.h)
1978         AC_CHECK_HEADERS(sys/statfs.h)
1979         AC_CHECK_HEADERS(sys/vfstab.h)
1980         AC_CHECK_HEADERS(sys/xattr.h)
1981         AC_CHECK_HEADERS(sys/mman.h)
1982         AC_CHECK_HEADERS(sys/param.h)
1983         AC_CHECK_HEADERS(sys/mount.h, [], [],
1984                 [
1985                 #ifdef HAVE_SYS_PARAM_H
1986                 # include <sys/param.h>
1987                 #endif
1988                 ])
1989         AC_CHECK_HEADERS(sys/mount.h)
1990         AC_CHECK_FUNCS(confstr)
1991         AC_CHECK_FUNCS(seekdir telldir)
1992         AC_CHECK_FUNCS(getdomainname)
1993         AC_CHECK_FUNCS(setdomainname)
1994         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1995         AC_CHECK_FUNCS(setgroups)
1996         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1997         AC_CHECK_FUNCS(getfsstat)
1998         AC_CHECK_FUNCS(lutimes futimes)
1999         AC_CHECK_FUNCS(mremap)
2000         AC_CHECK_FUNCS(remap_file_pages)
2001         AC_CHECK_FUNCS(posix_fadvise)
2002         AC_CHECK_FUNCS(posix_fallocate)
2003         AC_CHECK_FUNCS(posix_madvise)
2004         AC_CHECK_FUNCS(vsnprintf)
2005         AC_CHECK_FUNCS(sendfile)
2006         AC_CHECK_FUNCS(gethostid sethostid)
2007         AC_CHECK_FUNCS(sethostname)
2008         AC_CHECK_FUNCS(statfs)
2009         AC_CHECK_FUNCS(fstatfs)
2010         AC_CHECK_FUNCS(statvfs)
2011         AC_CHECK_FUNCS(fstatvfs)
2012         AC_CHECK_FUNCS(stime)
2013         AC_CHECK_FUNCS(strerror_r)
2014         AC_CHECK_FUNCS(ttyname_r)
2015         AC_CHECK_FUNCS(psignal)
2016         AC_CHECK_FUNCS(getlogin_r)
2017         AC_CHECK_FUNCS(lockf)
2018         AC_CHECK_FUNCS(swab)
2019         AC_CHECK_FUNCS(setusershell endusershell)
2020         AC_CHECK_FUNCS(futimens utimensat)
2021         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2022         AC_CHECK_FUNCS(readv writev preadv pwritev)
2023         AC_CHECK_FUNCS(setpgid)
2024         AC_CHECK_SIZEOF(size_t)
2025         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2026                 [#include <sys/types.h>
2027                  #include <sys/stat.h>
2028                  #include <unistd.h>])
2029         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2030                 [#include <sys/types.h>
2031                  #include <sys/stat.h>
2032                  #include <unistd.h>])
2033         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2034                 [#include <sys/time.h>])
2035         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2036                 [#include <unistd.h>
2037                  #include <fcntl.h>])
2038         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2039                 [#include <sys/uio.h>])
2040         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2041                 [#include <sys/poll.h>])
2042         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2043                 [#include <sys/types.h>
2044                  #include <sys/stat.h>
2045                  #include <unistd.h>])
2046         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2047                 [#include <time.h>])
2048         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2049                 [#include <sys/time.h>
2050                  #include <sys/types.h>
2051                  #include <utime.h>])
2052         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2053                 [#include <sys/time.h>])
2054         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2055                 [#include <sys/types.h>
2056                  #include <utime.h>])
2057         AC_CHECK_MEMBERS(
2058                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2059                 [#include <sys/types.h>
2060                  #include <dirent.h>])
2061         AC_CHECK_MEMBERS(
2062                 [struct passwd.pw_gecos],,,
2063                 [#include <sys/types.h>
2064                  #include <pwd.h>])
2065         AC_CHECK_MEMBERS(
2066                 [struct statfs.f_flags],,,
2067                 [#include <sys/types.h>
2068                  #include <sys/vfs.h>])
2069         AC_CHECK_MEMBERS(
2070                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2071                 [#include <sys/types.h>
2072                  #include <sys/stat.h>
2073                  #include <unistd.h>])
2074
2075         dnl Favour xattr through glibc, but use libattr if we have to
2076         AC_CHECK_FUNC(lsetxattr, ,
2077                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2078         )
2079         AC_SUBST(XATTR_LIB)
2080
2081         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2082         AC_CHECK_MEMBERS(
2083                 [struct kinfo_proc.kp_proc],,,
2084                 [#include <sys/types.h>
2085                  #include <sys/param.h>
2086                  #include <sys/sysctl.h>
2087                  #include <sys/proc.h>
2088                  ])
2089
2090         dnl *********************************
2091         dnl *** Checks for Windows compilation ***
2092         dnl *********************************
2093         AC_CHECK_HEADERS(sys/time.h)
2094         AC_CHECK_HEADERS(sys/param.h)
2095         AC_CHECK_HEADERS(dirent.h)
2096
2097         dnl ******************************************
2098         dnl *** Checks for OSX and iOS compilation ***
2099         dnl ******************************************
2100         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2101
2102         dnl *********************************
2103         dnl *** Check for Console 2.0 I/O ***
2104         dnl *********************************
2105         AC_CHECK_HEADERS([curses.h])
2106         AC_CHECK_HEADERS([term.h], [], [],
2107         [#if HAVE_CURSES_H
2108          #include <curses.h>
2109          #endif
2110         ])
2111         AC_CHECK_HEADERS([termios.h])
2112
2113         dnl * This is provided in io-layer, but on windows it's only available
2114         dnl * on xp+
2115         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2116 else
2117         dnl *********************************
2118         dnl *** Checks for Windows compilation ***
2119         dnl *********************************
2120         AC_CHECK_HEADERS(winternl.h)
2121
2122         jdk_headers_found=no
2123         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2124         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2126         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2127         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2128         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2129         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2130
2131         dnl *********************************
2132         dnl *** Check for struct ip_mreqn ***
2133         dnl *********************************
2134         AC_MSG_CHECKING(for struct ip_mreqn)
2135         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2136                 struct ip_mreqn mreq;
2137                 mreq.imr_address.s_addr = 0;
2138         ], [
2139                 # Yes, we have it...
2140                 AC_MSG_RESULT(yes)
2141                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2142         ], [
2143                 # We'll just have to try and use struct ip_mreq
2144                 AC_MSG_RESULT(no)
2145                 AC_MSG_CHECKING(for struct ip_mreq)
2146                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2147                         struct ip_mreq mreq;
2148                         mreq.imr_interface.s_addr = 0;
2149                 ], [
2150                         # Yes, we have it...
2151                         AC_MSG_RESULT(yes)
2152                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2153                 ], [
2154                         # No multicast support
2155                         AC_MSG_RESULT(no)
2156                 ])
2157         ])
2158         AC_CHECK_FUNCS(GetProcessId)
2159         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2160         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2162         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2163         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2164         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2165         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2166 fi
2167
2168 dnl socklen_t check
2169 AC_MSG_CHECKING(for socklen_t)
2170 AC_TRY_COMPILE([
2171 #include <sys/types.h>
2172 #include <sys/socket.h>
2173 ],[
2174   socklen_t foo;
2175 ],[
2176 ac_cv_c_socklen_t=yes
2177         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2178         AC_MSG_RESULT(yes)
2179 ],[
2180         AC_MSG_RESULT(no)
2181 ])
2182
2183 AC_MSG_CHECKING(for array element initializer support)
2184 AC_TRY_COMPILE([#include <sys/socket.h>], [
2185         const int array[] = {[1] = 2,};
2186 ], [
2187         # Yes, we have it...
2188         AC_MSG_RESULT(yes)
2189         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2190 ], [
2191         # We'll have to use signals
2192         AC_MSG_RESULT(no)
2193 ])
2194
2195 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2196         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2197         AC_TRY_LINK([#include <math.h>],
2198         [ static void *p = &trunc; ],
2199         [
2200                 AC_DEFINE(HAVE_TRUNC)
2201                 AC_MSG_RESULT(yes)
2202                 ac_cv_trunc=yes
2203         ],
2204         AC_MSG_RESULT(no)))
2205
2206 if test "x$ac_cv_truncl" != "xyes"; then
2207    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2208 fi
2209
2210 AC_CHECK_FUNCS(round)
2211 AC_CHECK_FUNCS(rint)
2212 AC_CHECK_FUNCS(execvp)
2213
2214 dnl ****************************
2215 dnl *** Look for /dev/random ***
2216 dnl ****************************
2217
2218 AC_MSG_CHECKING([if usage of random device is requested])
2219 AC_ARG_ENABLE(dev-random,
2220 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2221 try_dev_random=$enableval, try_dev_random=yes)
2222
2223 AC_MSG_RESULT($try_dev_random)
2224
2225 case "{$build}" in
2226     *-openbsd*)
2227     NAME_DEV_RANDOM="/dev/srandom"
2228     ;;
2229
2230 dnl Win32 does not have /dev/random, they have their own method...
2231
2232     *-mingw*|*-*-cygwin*)
2233     ac_cv_have_dev_random=no
2234     ;;
2235
2236 dnl Everywhere else, it's /dev/random
2237
2238     *)
2239     NAME_DEV_RANDOM="/dev/random"
2240     ;;
2241 esac
2242
2243 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2244
2245 dnl Now check if the device actually exists
2246
2247 if test "x$try_dev_random" = "xyes"; then
2248     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2249     [if test -r "$NAME_DEV_RANDOM" ; then
2250         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2251     if test "x$ac_cv_have_dev_random" = "xyes"; then
2252         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2253     fi
2254 else
2255     AC_MSG_CHECKING(for random device)
2256     ac_cv_have_dev_random=no
2257     AC_MSG_RESULT(has been disabled)
2258 fi
2259
2260 if test "x$host_win32" = "xyes"; then
2261     AC_DEFINE(HAVE_CRYPT_RNG)
2262 fi
2263
2264 if test "x$ac_cv_have_dev_random" = "xno" \
2265     && test "x$host_win32" = "xno"; then
2266     AC_MSG_WARN([[
2267 ***
2268 *** A system-provided entropy source was not found on this system.
2269 *** Because of this, the System.Security.Cryptography random number generator
2270 *** will throw a NotImplemented exception.
2271 ***
2272 *** If you are seeing this message, and you know your system DOES have an
2273 *** entropy collection in place, please contact <crichton@gimp.org> and
2274 *** provide information about the system and how to access the random device.
2275 ***
2276 *** Otherwise you can install either egd or prngd and set the environment
2277 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2278 ***]])
2279 fi
2280
2281 AC_MSG_CHECKING([if inter-process shared handles are requested])
2282 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2283 AC_MSG_RESULT($try_shared_handles)
2284 if test "x$try_shared_handles" != "xyes"; then
2285         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2286         AC_SUBST(DISABLE_SHARED_HANDLES)
2287 fi
2288
2289 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2290
2291 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2292 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2293
2294 AC_MSG_CHECKING([if big-arrays are to be enabled])
2295 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2296 if test "x$enable_big_arrays" = "xyes" ; then
2297     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2298         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2299     else
2300         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2301     fi
2302 fi
2303 AC_MSG_RESULT($enable_big_arrays)
2304
2305 dnl **************
2306 dnl *** DTRACE ***
2307 dnl **************
2308
2309 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2310
2311 if test "x$enable_dtrace" = "xyes"; then
2312    if test "x$has_dtrace" = "xno"; then
2313           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2314    fi
2315    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2316    if test "x$DTRACE" = "xno"; then
2317           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2318           enable_dtrace=no
2319    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2320           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2321           enable_dtrace=no
2322    fi
2323 fi
2324
2325 dtrace_g=no
2326 if test "x$enable_dtrace" = "xyes"; then
2327         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2328         DTRACEFLAGS=
2329         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2330                 case "$host" in
2331                         powerpc-*-darwin*)
2332                         DTRACEFLAGS="-arch ppc64"
2333                         ;;
2334                         i*86-*-darwin*)
2335                         DTRACEFLAGS="-arch x86_64"
2336                         ;;
2337                         *)
2338                         DTRACEFLAGS=-64
2339                         ;;
2340                 esac
2341         else
2342                 case "$host" in
2343                         powerpc-*-darwin*)
2344                         DTRACEFLAGS="-arch ppc"
2345                         ;;
2346                         i*86-*-darwin*)
2347                         DTRACEFLAGS="-arch i386"
2348                         ;;
2349                         *)
2350                         DTRACEFLAGS=-32
2351                         ;;
2352                 esac
2353         fi
2354         AC_SUBST(DTRACEFLAGS)
2355         case "$host" in
2356                 *-*-solaris*)
2357                 dtrace_g=yes
2358                 ;;
2359         esac
2360         AC_CHECK_HEADERS([sys/sdt.h])
2361 fi
2362 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2363 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2364
2365 dnl **************
2366 dnl ***  NaCl  ***
2367 dnl **************
2368
2369 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2370 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2371
2372 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2373
2374 dnl
2375 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2376 dnl
2377 nacl_self_host=""
2378 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2379    nacl_self_host="nacl_self_host"
2380 fi
2381 AC_SUBST(nacl_self_host)
2382
2383 if test "x$enable_nacl_codegen" = "xyes"; then
2384    MONO_NACL_ALIGN_MASK_OFF=1
2385    AC_DEFINE(TARGET_NACL, 1, [...])
2386    AC_DEFINE(__native_client_codegen__, 1, [...])
2387 else
2388    MONO_NACL_ALIGN_MASK_OFF=0
2389    AC_DEFINE(__default_codegen__, 1, [...])
2390 fi
2391 if test "x$enable_nacl_gc" = "xyes"; then
2392    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2393       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2394    else
2395       # Not yet implemented
2396       INSTRUMENT_CFLAG=""
2397    fi
2398    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2399 fi
2400 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2401
2402 dnl **************
2403 dnl ***  LLVM  ***
2404 dnl **************
2405
2406 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2407 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2408 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2409
2410 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2411
2412 if test "x$enable_llvm" = "xyes"; then
2413    if test "x$with_llvm" != "x"; then
2414           LLVM_CONFIG=$with_llvm/bin/llvm-config
2415           if test ! -x $LLVM_CONFIG; then
2416                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2417       fi
2418    else
2419       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2420       if test "x$LLVM_CONFIG" = "xno"; then
2421              AC_MSG_ERROR([llvm-config not found.])
2422       fi
2423    fi
2424
2425    llvm_codegen="x86codegen"
2426    case "$target" in
2427    arm*)
2428                 llvm_codegen="armcodegen"
2429                 ;;
2430    esac
2431
2432    # The output of --cflags seems to include optimizations flags too
2433    LLVM_CFLAGS=`$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'`
2434    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2435    # from LLVM classes.
2436    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2437    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2438    if test "x$host" != "x$target"; then
2439       # No need for jit libs
2440       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2441    else
2442       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2443    fi
2444    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2445
2446    expected_llvm_version="3.4svn-mono-mono/e656cac"
2447
2448    # Should be something like '2.6' or '2.7svn'
2449    llvm_version=`$LLVM_CONFIG --version`
2450    major_version=`echo $llvm_version | cut -c 1`
2451    minor_version=`echo $llvm_version | cut -c 3`
2452    AC_MSG_CHECKING(LLVM version)
2453    AC_MSG_RESULT($llvm_version)
2454    if echo $llvm_version | grep -q 'mono'; then
2455           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2456           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2457           if test "x$enable_llvm_version_check" == "xyes"; then
2458                  if test "$llvm_version" != "$expected_llvm_version"; then
2459                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2460                  fi
2461           fi
2462    else
2463           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.])
2464    fi
2465
2466    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2467    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2468    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2469
2470    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2471    # llvm's config.h
2472    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2473
2474    AC_SUBST(LLVM_CFLAGS)
2475    AC_SUBST(LLVM_CXXFLAGS)
2476    AC_SUBST(LLVM_LIBS)
2477    AC_SUBST(LLVM_LDFLAGS)
2478    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2479 fi
2480
2481 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2482 if test "x$enable_loadedllvm" = "xyes"; then
2483    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2484 fi
2485 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2486
2487 TARGET="unknown"
2488 ACCESS_UNALIGNED="yes"
2489
2490 JIT_SUPPORTED=no
2491 INTERP_SUPPORTED=no
2492 LIBC="libc.so.6"
2493 INTL="libc.so.6"
2494 SQLITE="libsqlite.so.0"
2495 SQLITE3="libsqlite3.so.0"
2496 X11="libX11.so"
2497
2498 sizeof_register="SIZEOF_VOID_P"
2499
2500 jit_wanted=true
2501 interp_wanted=false
2502 sgen_supported=false
2503 case "$host" in
2504         mips*)
2505                 TARGET=MIPS;
2506                 arch_target=mips;
2507                 sgen_supported=true
2508                 ACCESS_UNALIGNED="no"
2509                 JIT_SUPPORTED=yes
2510
2511                 AC_MSG_CHECKING(for mips n32)
2512                 AC_TRY_COMPILE([],[
2513                 #if _MIPS_SIM != _ABIN32
2514                 #error Not mips n32
2515                 #endif
2516                 return 0;
2517                 ],[
2518                 AC_MSG_RESULT(yes)
2519                 sizeof_register=8
2520                 ],[
2521                 AC_MSG_RESULT(no)
2522                 ])
2523                 ;;
2524         i*86-*-*)
2525                 TARGET=X86;
2526                 arch_target=x86;
2527                 JIT_SUPPORTED=yes
2528                 case $host_os in
2529                   solaris*)
2530                         LIBC="libc.so"
2531                         INTL="libintl.so"
2532                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2533                                 TARGET=AMD64
2534                                 arch_target=amd64
2535                         fi
2536
2537                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2538                         # int astruct __attribute__ ((visibility ("hidden")));
2539                         # void foo ()
2540                         # {
2541                         #       void *p = &astruct;
2542                         # }
2543                         # gcc -fPIC --shared -o libfoo.so foo.c
2544                         # yields:
2545                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2546                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2547                         have_visibility_hidden=no
2548                         sgen_supported=true
2549                         ;;
2550                   mingw*|cygwin*)
2551                         sgen_supported=true
2552                         have_visibility_hidden=no
2553                         ;;
2554                   haiku*)
2555                         LIBC=libroot.so
2556                         ;;
2557                   linux*)
2558                         sgen_supported=true
2559                         AOT_SUPPORTED="yes"
2560                         ;;
2561                   darwin*)
2562                         sgen_supported=true
2563                         AOT_SUPPORTED="yes"
2564                         ;;
2565                   darwin*|openbsd*|freebsd*)
2566                         sgen_supported=true
2567                         ;;
2568                 esac
2569                 ;;
2570         x86_64-*-* | amd64-*-*)
2571                 TARGET=AMD64;
2572                 arch_target=amd64;
2573                 JIT_SUPPORTED=yes
2574                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2575                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2576                         sizeof_register=8
2577                 fi
2578                 case $host_os in
2579                   linux*)
2580                         sgen_supported=true
2581                         AOT_SUPPORTED="yes"
2582                         ;;
2583                   darwin*|openbsd*|freebsd*)
2584                         sgen_supported=true
2585                         ;;
2586                 esac
2587                 case "$host" in
2588                         x86_64-*-nacl*)
2589                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2590                                 sizeof_register=8
2591                                 ;;
2592                 esac
2593                 ;;
2594         ia64-*-*)
2595                 TARGET=IA64
2596                 arch_target=ia64
2597                 ACCESS_UNALIGNED="no"
2598                 JIT_SUPPORTED=yes
2599                 LIBC="libc.so.6.1"
2600                 INTL="libc.so.6.1"
2601                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2602                 libmono_ldflags="-lunwind"
2603                 ;;
2604         sparc*-*-*)
2605                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2606                    TARGET=SPARC64
2607                 else
2608                         TARGET=SPARC
2609                 fi
2610                 arch_target=sparc;
2611                 JIT_SUPPORTED=yes
2612                 ACCESS_UNALIGNED="no"
2613                 case $host_os in
2614                   linux*) ;;
2615                   *)
2616                         LIBC="libc.so"
2617                         INTL="libintl.so"
2618                 esac
2619                 if test x"$GCC" = xyes; then
2620                         # We don't support v8 cpus
2621                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2622                 fi
2623                 if test x"$AR" = xfalse; then
2624                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2625                 fi
2626                 sgen_supported=true
2627                 ;;
2628         *-mingw*|*-*-cygwin*)
2629                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2630                 have_visibility_hidden=no
2631                 INTL="intl"
2632                 ;;
2633         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2634         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2635                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2636                         TARGET=POWERPC64;
2637                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2638                         CFLAGS="$CFLAGS -mminimal-toc"
2639                 else
2640                         TARGET=POWERPC;
2641                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2642                 fi
2643                 arch_target=ppc;
2644                 JIT_SUPPORTED=yes
2645                 case $host_os in
2646                   linux*|darwin*)
2647                         sgen_supported=true
2648                         ;;
2649                 esac
2650                 ;;
2651         arm*-darwin*)
2652                 TARGET=ARM;
2653                 arch_target=arm;
2654                 ACCESS_UNALIGNED="no"
2655                 JIT_SUPPORTED=yes
2656                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2657                 # libgc's gc_locks.h depends on this
2658             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2659                 sgen_supported=true
2660                 ;;
2661         arm*-linux*)
2662                 TARGET=ARM;
2663                 arch_target=arm;
2664                 ACCESS_UNALIGNED="no"
2665                 JIT_SUPPORTED=yes
2666                 sgen_supported=true
2667                 AOT_SUPPORTED="yes"
2668                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2669                 ;;
2670 # TODO: make proper support for NaCl host.
2671 #        arm*-*nacl)
2672 #               TARGET=ARM;
2673 #               arch_target=arm;
2674 #               ACCESS_UNALIGNED="no"
2675 #               JIT_SUPPORTED=yes
2676 #               sgen_supported=true
2677 #               AOT_SUPPORTED="no"
2678 #               ;;
2679         s390x-*-linux*)
2680                 TARGET=S390X;
2681                 arch_target=s390x;
2682                 ACCESS_UNALIGNED="yes"
2683                 JIT_SUPPORTED=yes
2684                 sgen_supported=true
2685                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2686                 ;;
2687 esac
2688
2689 HOST=$TARGET
2690
2691 if test "x$host" != "x$target"; then
2692    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2693    enable_mcs_build=no
2694    case "$target" in
2695    arm*-darwin*)
2696                 TARGET=ARM;
2697                 arch_target=arm;
2698                 ACCESS_UNALIGNED="no"
2699                 JIT_SUPPORTED=yes
2700                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2701                 jit_wanted=true
2702                 # Can't use tls, since it depends on the runtime detection of tls offsets
2703                 # in mono-compiler.h
2704                 with_tls=pthread
2705                 ;;
2706    powerpc64-ps3-linux-gnu)
2707                 TARGET=POWERPC64
2708                 arch_target=powerpc64
2709                 AC_DEFINE(TARGET_PS3, 1, [...])
2710                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2711                 # uses this define
2712                 AC_DEFINE(__mono_ppc64__, 1, [...])
2713                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2714                 sizeof_register=8
2715                 target_byte_order=G_BIG_ENDIAN
2716                 ;;
2717
2718    powerpc64-xbox360-linux-gnu)
2719                 TARGET=POWERPC64
2720                 arch_target=powerpc64
2721                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2722                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2723                 # uses this define
2724                 sizeof_register=8
2725                 target_byte_order=G_BIG_ENDIAN
2726                 ;;
2727    x86_64-*-nacl)
2728                 TARGET=AMD64
2729                 arch_target=amd64
2730                 AC_DEFINE(TARGET_AMD64, 1, [...])
2731                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2732                 sizeof_register=8
2733                 ;;
2734 # TODO: make proper support for NaCl target.
2735 #   arm*-*nacl)
2736 #               TARGET=ARM
2737 #               arch_target=arm
2738 #               AC_DEFINE(TARGET_ARM, 1, [...])
2739 #               ACCESS_UNALIGNED="no"
2740 #               JIT_SUPPORTED=yes
2741 #               sizeof_register=4
2742 #               CPPFLAGS="$CPPFLAGS \
2743 #                    -D__ARM_EABI__ \
2744 #                    -D__arm__ \
2745 #                    -D__portable_native_client__ \
2746 #                    -Dtimezone=_timezone \
2747 #                    -DDISABLE_SOCKETS \
2748 #                    -DDISABLE_ATTACH \
2749 #                    -DUSE_NEWLIB"
2750 #               jit_wanted=true
2751                 # Can't use tls, since it depends on the runtime detection of tls offsets
2752                 # in mono-compiler.h
2753 #               with_tls=pthread
2754 #               ;;
2755    i686-*-nacl)
2756                 TARGET=X86
2757                 arch_target=x86
2758                 AC_DEFINE(TARGET_X86, 1, [...])
2759                 sizeof_register=4
2760                 ;;
2761    arm*-linux-*)
2762                 TARGET=ARM;
2763                 arch_target=arm;
2764                 AC_DEFINE(TARGET_ARM, 1, [...])
2765                 ACCESS_UNALIGNED="no"
2766                 JIT_SUPPORTED=yes
2767                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2768                 jit_wanted=true
2769                 # Can't use tls, since it depends on the runtime detection of tls offsets
2770                 # in mono-compiler.h
2771                 with_tls=pthread
2772                 target_mach=no
2773                 case "$target" in
2774                 armv7l-unknown-linux-gnueabi*)
2775                         # TEGRA
2776                         CPPFLAGS="$CPPFLAGS"
2777                         ;;
2778                 armv5-*-linux-androideabi*)
2779                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2780                         CPPFLAGS="$CPPFLAGS"
2781                         ;;
2782                 esac
2783                 ;;
2784         *)
2785                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2786         esac
2787 fi
2788
2789 case "$TARGET" in
2790 X86)
2791         AC_DEFINE(TARGET_X86, 1, [...])
2792         ;;
2793 AMD64)
2794         AC_DEFINE(TARGET_AMD64, 1, [...])
2795         ;;
2796 ARM)
2797         AC_DEFINE(TARGET_ARM, 1, [...])
2798         ;;
2799 POWERPC)
2800         AC_DEFINE(TARGET_POWERPC, 1, [...])
2801         ;;
2802 POWERPC64)
2803         AC_DEFINE(TARGET_POWERPC, 1, [...])
2804         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2805         ;;
2806 S390X)
2807         AC_DEFINE(TARGET_S390X, 1, [...])
2808         ;;
2809 MIPS)
2810         AC_DEFINE(TARGET_MIPS, 1, [...])
2811         ;;
2812 IA64)
2813         AC_DEFINE(TARGET_IA64, 1, [...])
2814         ;;
2815 SPARC)
2816         AC_DEFINE(TARGET_SPARC, 1, [...])
2817         ;;
2818 SPARC64)
2819         AC_DEFINE(TARGET_SPARC64, 1, [...])
2820         ;;
2821 esac
2822
2823 dnl Use GCC atomic ops if they work on the target.
2824 if test x$GCC = "xyes"; then
2825         case $TARGET in
2826         X86 | AMD64 | ARM | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2827                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2828                 ;;
2829         esac
2830 fi
2831
2832 if test "x$target_mach" = "xyes"; then
2833    if test "x$TARGET" = "xARM"; then
2834           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2835           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2836           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2837    else
2838        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2839        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2840        #error fail this for ios
2841        #endif
2842        return 0;
2843        ], [
2844                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2845           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2846           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2847        ], [
2848           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2849           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2850           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2851        ])
2852         fi
2853    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2854 fi
2855
2856 if test "x$sizeof_register" = "x4"; then
2857    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2858 elif test "x$sizeof_register" = "x8"; then
2859    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2860 else
2861    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2862 fi
2863
2864 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2865    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2866 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2867    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2868 else
2869    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2870 fi
2871
2872 if test "x$have_visibility_hidden" = "xyes"; then
2873    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2874 fi
2875
2876 if test "x$have_deprecated" = "xyes"; then
2877    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2878 fi
2879
2880 dnl
2881 dnl Simple Generational checks (sgen)
2882 dnl
2883 if $sgen_supported; then
2884    build_sgen_default=yes
2885 else
2886    build_sgen_default=no
2887 fi
2888 SGEN_DEFINES=
2889 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2890 if test x$buildsgen = xyes; then
2891    if $sgen_supported; then
2892        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2893        gc_msg="sgen and $gc_msg"
2894    else
2895        buildsgen=no
2896        AC_MSG_WARN("Sgen is not supported on this platform")
2897    fi
2898 fi
2899 AC_SUBST(SGEN_DEFINES)
2900 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2901
2902 USEJIT=false
2903 if test x$JIT_SUPPORTED = xyes; then
2904    if $jit_wanted; then
2905       USEJIT=true
2906       jit_status="Building and using the JIT"
2907    else
2908       if $interp_wanted; then
2909          jit_status="Building the JIT, defaulting to the interpreter"
2910       else
2911          AC_ERROR(No JIT or interpreter support available or selected.)
2912       fi
2913    fi
2914 else
2915    if test x$interp_wanted = xtrue; then
2916       jit_status="interpreter"
2917    else
2918       AC_ERROR(No JIT or interpreter support available or selected.)
2919    fi
2920 fi
2921
2922 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2923
2924 libsuffix=".so"
2925
2926 case "$host" in
2927      *-*-darwin*)
2928         libsuffix=".dylib"
2929         LIBC="libc.dylib"
2930         INTL="libintl.dylib"
2931         SQLITE="libsqlite.0.dylib"
2932         SQLITE3="libsqlite3.0.dylib"
2933         X11="libX11.dylib"
2934         ;;
2935      *-*-*netbsd*)
2936         LIBC="libc.so.12"
2937         INTL="libintl.so.0"
2938         ;;
2939     *-*-*freebsd*)
2940         LIBC="libc.so"
2941         INTL="libintl.so"
2942         SQLITE="libsqlite.so"
2943         SQLITE3="libsqlite3.so"
2944         ;;
2945     *-*-*openbsd*)
2946         LIBC="libc.so"
2947         INTL="libintl.so"
2948         SQLITE="libsqlite.so"
2949         SQLITE3="libsqlite3.so"
2950         ;;
2951     *-*-*linux*)
2952         AC_PATH_X
2953         AC_MSG_CHECKING(for the soname of libX11.so)
2954         for i in $x_libraries /usr/lib /usr/lib64; do
2955                 for r in 4 5 6; do
2956                         if test -f $i/libX11.so.$r; then
2957                                 X11=libX11.so.$r
2958                                 AC_MSG_RESULT($X11)
2959                         fi
2960                 done
2961         done
2962
2963         if test "x$X11" = "xlibX11.so"; then
2964                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2965                 X11=libX11.so.6
2966         fi
2967         ;;
2968 esac
2969
2970
2971 AC_SUBST(libsuffix)
2972
2973 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2974         if test "x$with_tls" = "x__thread"; then
2975                 #
2976                 # On some linux distributions, TLS works in executables, but linking
2977                 # against a shared library containing TLS fails with:
2978                 # undefined reference to `__tls_get_addr'
2979                 #
2980                 rm -f conftest.c conftest.so conftest
2981                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2982                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2983                 $CC -o conftest conftest.so > /dev/null 2>&1
2984                 if test ! -f conftest; then
2985                    AC_MSG_WARN([Disabling usage of __thread.]);
2986                    with_tls=pthread
2987                 fi
2988                 rm -f conftest.c conftest.so conftest
2989         fi
2990 fi
2991
2992 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2993 if test "x$icall_symbol_map" = "xyes"; then
2994    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2995 fi
2996
2997 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2998 if test "x$icall_export" = "xyes"; then
2999    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3000 fi
3001
3002 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3003 if test "x$icall_tables" = "xno"; then
3004    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3005 fi
3006
3007 if test "x$with_tls" = "x__thread"; then
3008         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3009         # Pass the information to libgc
3010         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3011         AC_MSG_CHECKING(if the tls_model attribute is supported)
3012         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3013                 ], [
3014                         AC_MSG_RESULT(yes)
3015                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3016                 ], [
3017                         AC_MSG_RESULT(no)
3018         ])
3019 fi
3020
3021 if test ${TARGET} = ARM; then
3022         dnl ******************************************
3023         dnl *** Check to see what FPU is available ***
3024         dnl ******************************************
3025         AC_MSG_CHECKING(which FPU to use)
3026
3027         #
3028         # This is a bit tricky:
3029         #
3030         # if (__ARM_PCS_VFP) {
3031         #       /* mfloat-abi=hard == VFP with hard ABI */
3032         # } elif (!__SOFTFP__) {
3033         #       /* mfloat-abi=softfp == VFP with soft ABI */
3034         # } else {
3035         #       /* mfloat-abi=soft == no VFP */
3036         # }
3037         #
3038         # The exception is iOS (w/ GCC) where none of the above
3039         # are defined (but iOS always uses the 'softfp' ABI).
3040         #
3041         # No support for FPA.
3042         #
3043
3044         fpu=NONE
3045
3046         # iOS GCC always uses the 'softfp' ABI.
3047         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3048                 fpu=VFP
3049         fi
3050
3051         # Are we using the 'hard' ABI?
3052         if test x$fpu = xNONE; then
3053                 AC_TRY_COMPILE([], [
3054                         #ifndef __ARM_PCS_VFP
3055                         #error "Float ABI is not 'hard'"
3056                         #endif
3057                         return 0;
3058                 ], [
3059                         fpu=VFP_HARD
3060                 ], [
3061                         fpu=NONE
3062                 ])
3063         fi
3064
3065         # No 'hard' ABI. 'soft' or 'softfp'?
3066         if test x$fpu = xNONE; then
3067                 AC_TRY_COMPILE([], [
3068                         #ifdef __SOFTFP__
3069                         #error "Float ABI is not 'softfp'"
3070                         #endif
3071                         return 0;
3072                 ], [
3073                         fpu=VFP
3074                 ], [
3075                         fpu=NONE
3076                 ])
3077         fi
3078
3079         AC_MSG_RESULT($fpu)
3080         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3081         unset fpu
3082
3083         dnl *********************************************
3084         dnl *** Check which ARM version(s) we can use ***
3085         dnl *********************************************
3086         AC_MSG_CHECKING(which ARM version to use)
3087
3088         AC_TRY_COMPILE([], [
3089                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3090                 #error Not on ARM v5.
3091                 #endif
3092                 return 0;
3093         ], [
3094                 arm_v5=yes
3095
3096                 arm_ver=ARMv5
3097         ], [])
3098
3099         AC_TRY_COMPILE([], [
3100                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3101                 #error Not on ARM v6.
3102                 #endif
3103                 return 0;
3104         ], [
3105                 arm_v5=yes
3106                 arm_v6=yes
3107
3108                 arm_ver=ARMv6
3109         ], [])
3110
3111         AC_TRY_COMPILE([], [
3112                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3113                 #error Not on ARM v7.
3114                 #endif
3115                 return 0;
3116         ], [
3117                 arm_v5=yes
3118                 arm_v6=yes
3119                 arm_v7=yes
3120
3121                 arm_ver=ARMv7
3122         ], [])
3123
3124         AC_MSG_RESULT($arm_ver)
3125
3126         if test x$arm_v5 = xyes; then
3127                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3128                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3129         fi
3130
3131         if test x$arm_v6 = xyes; then
3132                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3133                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3134         fi
3135
3136         if test x$arm_v7 = xyes; then
3137                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3138                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3139         fi
3140 fi
3141
3142 if test ${TARGET} = ARM; then
3143         if test "x${with_jumptables}" = "xyes"; then
3144                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3145         fi
3146 fi
3147
3148 if test ${TARGET} = unknown; then
3149         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3150         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3151 fi
3152
3153 if test ${ACCESS_UNALIGNED} = no; then
3154         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3155 fi
3156
3157 case "x$gc" in
3158         xincluded)
3159                 # Pass CPPFLAGS to libgc configure
3160                 # We should use a separate variable for this to avoid passing useless and
3161                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3162                 # This should be executed late so we pick up the final version of CPPFLAGS
3163                 # The problem with this approach, is that during a reconfigure, the main
3164                 # configure scripts gets invoked with these arguments, so we use separate
3165                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3166                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3167                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3168                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3169                 fi
3170                 # Don't pass -finstrument-for-thread-suspension in,
3171                 # if these are instrumented it will be very bad news
3172                 # (infinite recursion, undefined parking behavior, etc)
3173                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3174                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3175                 AC_CONFIG_SUBDIRS(libgc)
3176                 ;;
3177 esac
3178
3179 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3180 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3181 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3182 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3183 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3184 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3185
3186 OPROFILE=no
3187 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3188         if test x$with_oprofile != xno; then
3189             oprofile_include=$with_oprofile/include
3190             if test ! -f $oprofile_include/opagent.h; then
3191                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3192                 fi
3193             OPROFILE=yes
3194                 OPROFILE_CFLAGS="-I$oprofile_include"
3195             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3196             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3197         fi
3198 ])
3199
3200 MALLOC_MEMPOOLS=no
3201 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3202         if test x$with_malloc_mempools = xyes; then
3203                 MALLOC_MEMPOOLS=yes
3204                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3205         fi
3206 ])
3207
3208
3209 DISABLE_MCS_DOCS=no
3210 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3211         if test x$with_mcs_docs != xyes; then
3212                 DISABLE_MCS_DOCS=yes
3213         fi
3214 ])
3215 if test x$with_profile4 != xyes; then
3216         DISABLE_MCS_DOCS=yes
3217 fi
3218
3219 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)],[
3220         if test x$with_lazy_gc_thread_creation != xno ; then
3221                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3222         fi
3223 ], [with_lazy_gc_thread_creation=no])
3224
3225 AC_CHECK_HEADER([malloc.h],
3226                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3227                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3228
3229 if test x"$GCC" = xyes; then
3230         # Implicit function declarations are not 64 bit safe
3231         # Do this late, since this causes lots of configure tests to fail
3232         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3233         # jay has a lot of implicit declarations
3234         JAY_CFLAGS="-Wno-implicit-function-declaration"
3235 fi
3236
3237 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3238 # instead of libmono-static.a
3239 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3240    LIBMONO_LA=libmini-static.la
3241 else
3242    if test x$buildsgen = xyes; then
3243       LIBMONO_LA=libmonosgen-$API_VER.la
3244    else
3245       LIBMONO_LA=libmonoboehm-$API_VER.la
3246    fi
3247 fi
3248 AC_SUBST(LIBMONO_LA)
3249
3250 dnl
3251 dnl Consistency settings
3252 dnl
3253 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3254    DISABLE_MCS_DOCS=yes
3255    with_profile2=no
3256    with_profile4=no
3257    with_profile4_5=no
3258    with_monodroid=no
3259    with_monotouch=no
3260 fi
3261
3262 if test x$DISABLE_MCS_DOCS = xyes; then
3263    docs_dir=""
3264 else
3265    docs_dir=docs
3266 fi
3267 AC_SUBST(docs_dir)
3268
3269 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3270 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3271
3272 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3273 AC_SUBST(OPROFILE_CFLAGS)
3274 AC_SUBST(OPROFILE_LIBS)
3275
3276 libmono_ldflags="$libmono_ldflags $LIBS"
3277
3278 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3279 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3280 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3281 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3282 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3283 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3284 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "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_4_5_TRUE"; then :
3678                 default_profile=net_4_5
3679     fi
3680
3681     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3682
3683     if test "x$test_bcl_opt" = "xyes"; then
3684       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3685     fi
3686
3687   fi
3688
3689   # if we have an olive folder, override the default settings
3690   if test -d $olivedir; then
3691
3692     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3693
3694       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3695
3696       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3697       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3698       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3699       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3700       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3701       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3702     fi
3703   fi
3704
3705 )
3706
3707 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3708
3709 echo "
3710         mcs source:    $mcsdir
3711
3712    Engine:
3713         GC:            $gc_msg
3714         TLS:           $with_tls
3715         SIGALTSTACK:   $with_sigaltstack
3716         Engine:        $jit_status
3717         oprofile:      $OPROFILE
3718         BigArrays:     $enable_big_arrays
3719         DTrace:        $enable_dtrace
3720         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3721
3722    Libraries:
3723         .NET 2.0/3.5:  $with_profile2
3724         .NET 4.0:      $with_profile4
3725         .NET 4.5:      $with_profile4_5
3726         MonoDroid:     $with_monodroid
3727         MonoTouch:     $with_monotouch
3728         JNI support:   $jdk_headers_found
3729         libgdiplus:    $libgdiplus_msg
3730         zlib:          $zlib_msg
3731         $disabled
3732 "
3733 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3734    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3735 fi