configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.2],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AM_CONFIG_HEADER([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176 # TLS is only partially implemented on -CURRENT (compiler support
 177 # but NOT library support)
 178 #
 179                 with_tls=pthread
 180                 use_sigposix=yes
 181                 ;;
 182         *-*-*openbsd*)
 183                 host_win32=no
 184                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 189                 LDFLAGS="$LDFLAGS -pthread"
 190                 need_link_unlink=yes
 191                 AC_DEFINE(PTHREAD_POINTER_ID)
 192                 libdl=
 193                 gc_default=boehm
 194                 libgc_threads=pthreads
 195                 with_sigaltstack=no
 196                 use_sigposix=yes
 197                 ;;
 198         *-*-linux-android*)
 199                 host_win32=no
 200                 platform_android=yes
 201                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 202                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 203
 204                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 205                 if test "x$disable_munmap" != "xyes"; then
 206                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 207                 fi
 208                 libmono_cflags="-D_REENTRANT"
 209                 libdl="-ldl"
 210                 libgc_threads=pthreads
 211                 use_sigposix=yes
 212
 213                 with_tls=pthread
 214                 with_sigaltstack=no
 215                 with_static_mono=no
 216
 217                 # Android doesn't support boehm, as it's missing <link.h>
 218                 support_boehm=no
 219                 with_gc=sgen
 220
 221                 # isinf(3) requires -lm; see isinf check below
 222                 LDFLAGS="$LDFLAGS -lm"
 223
 224                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 225                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 226                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 227                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 228                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 229
 230                 # to bypass the underscore linker check, can't work when cross-compiling
 231                 mono_cv_uscore=yes
 232                 mono_cv_clang=no
 233                 ;;
 234         *-*-linux*)
 235                 host_win32=no
 236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 237                 if test "x$disable_munmap" != "xyes"; then
 238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 239                 fi
 240                 libmono_cflags="-D_REENTRANT"
 241                 libdl="-ldl"
 242                 libgc_threads=pthreads
 243                 use_sigposix=yes
 244                 ;;
 245         *-*-nacl*)
 246                 host_win32=no
 247                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 248                 if test "x$disable_munmap" != "xyes"; then
 249                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 250                 fi
 251                 libmono_cflags="-D_REENTRANT"
 252                 libdl=
 253                 libgc_threads=pthreads
 254                 gc_default=boehm
 255                 use_sigposix=yes
 256                 ikvm_native=no
 257                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 258                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 259                 ;;
 260         *-*-hpux*)
 261                 host_win32=no
 262                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 263                 # +ESdbgasm only valid on bundled cc on RISC
 264                 # silently ignored for ia64
 265                 if test $GCC != "yes"; then
 266                         CFLAGS="$CFLAGS +ESdbgasm"
 267                         # Arrange for run-time dereferencing of null
 268                         # pointers to produce a SIGSEGV signal.
 269                         LDFLAGS="$LDFLAGS -z"
 270                 fi
 271                 CFLAGS="$CFLAGS +ESdbgasm"
 272                 LDFLAGS="$LDFLAGS -z"
 273                 libmono_cflags="-D_REENTRANT"
 274                 libmono_ldflags="-lpthread"
 275                 libgc_threads=pthreads
 276                 need_link_unlink=yes
 277                 use_sigposix=yes
 278                 ;;
 279         *-*-solaris*)
 280                 host_win32=no
 281                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 282                 need_link_unlink=yes
 283                 libmono_cflags="-D_REENTRANT"
 284                 libgc_threads=pthreads
 285                 # This doesn't seem to work on solaris/x86, but the configure test runs
 286                 with_tls=pthread
 287                 has_dtrace=yes
 288                 use_sigposix=yes
 289                 enable_solaris_tar_check=yes
 290                 ;;
 291         *-*-darwin*)
 292                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 293                 host_win32=no
 294                 platform_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 298                 libmono_cflags="-D_THREAD_SAFE"
 299                 LDFLAGS="$LDFLAGS -pthread"
 300                 libmono_ldflags="-pthread"
 301                 need_link_unlink=yes
 302                 AC_DEFINE(PTHREAD_POINTER_ID)
 303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 304                 no_version_script=yes
 305                 libdl=
 306                 libgc_threads=pthreads
 307                 has_dtrace=yes
 308                 if test "x$cross_compiling" = "xyes"; then
 309                         has_broken_apple_cpp=yes
 310                 fi
 311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 314                 case "$host" in
 315                         dnl Snow Leopard and newer config.guess reports as this
 316                         i*86-*-darwin*)
 317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 324                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 325                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 326                                 ;;
 327                         arm*-darwin*)
 328                                 has_dtrace=no
 329
 330                                 # Disable the clang check if we're cross compiling
 331                                 mono_cv_clang=no
 332                                 ;;
 333                 esac
 334                 ;;
 335         *-*-haiku*)
 336                 host_win32=no
 337                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 338                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 339                 libdl=
 340                 LIBS="$LIBS -lnetwork"
 341                 need_link_unlink=yes
 342                 AC_DEFINE(PTHREAD_POINTER_ID)
 343                 libgc_threads=pthreads
 344                 use_sigposix=yes
 345                 ;;
 346         *)
 347                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 348                 host_win32=no
 349                 libdl="-ldl"
 350                 ;;
 351 esac
 352 AC_MSG_RESULT(ok)
 353
 354 if test x$need_link_unlink = xyes; then
 355    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 356 fi
 357
 358 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 359 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 360 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 361 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 362 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 363 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 364
 365 AC_CHECK_TOOL(CC, gcc, gcc)
 366 AC_PROG_CC
 367 AC_CHECK_TOOL(CXX, g++, g++)
 368 AC_PROG_CXX
 369 AM_PROG_AS
 370 AM_PROG_CC_STDC
 371 AC_PROG_INSTALL
 372 AC_PROG_AWK
 373 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 374 : ${CCAS='$(CC)'}
 375 # Set ASFLAGS if not already set.
 376 : ${CCASFLAGS='$(CFLAGS)'}
 377 AC_SUBST(CCAS)
 378 AC_SUBST(CCASFLAGS)
 379
 380 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 381 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 382 if test "x$CXX" = "xg++"; then
 383         if test "x$GXX" != "xyes"; then
 384                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 385                 # are inside automake conditionals
 386                 AC_MSG_ERROR([You need to install g++])
 387         fi
 388 fi
 389
 390 dnl may require a specific autoconf version
 391 dnl AC_PROG_CC_FOR_BUILD
 392 dnl CC_FOR_BUILD not automatically detected
 393 CC_FOR_BUILD=$CC
 394 CFLAGS_FOR_BUILD=$CFLAGS
 395 BUILD_EXEEXT=
 396 if test "x$cross_compiling" = "xyes"; then
 397         CC_FOR_BUILD=cc
 398         CFLAGS_FOR_BUILD=
 399         BUILD_EXEEXT=""
 400 fi
 401 AC_SUBST(CC_FOR_BUILD)
 402 AC_SUBST(CFLAGS_FOR_BUILD)
 403 AC_SUBST(HOST_CC)
 404 AC_SUBST(BUILD_EXEEXT)
 405
 406 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 407 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 408
 409 # Set STDC_HEADERS
 410 AC_HEADER_STDC
 411 AC_LIBTOOL_WIN32_DLL
 412 # This causes monodis to not link correctly
 413 #AC_DISABLE_FAST_INSTALL
 414 AM_PROG_LIBTOOL
 415 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 416 DOLT
 417
 418 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 419 AC_SUBST(export_ldflags)
 420
 421 # Test whenever ld supports -version-script
 422 AC_PROG_LD
 423 AC_PROG_LD_GNU
 424 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 425    no_version_script=yes
 426 fi
 427
 428 AM_ICONV()
 429
 430 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 431
 432 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)
 433 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)
 434 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 435                   [], [], [#include <stddef.h>
 436                   #include <sys/socket.h>
 437                   #include <linux/socket.h>])
 438
 439 AC_CHECK_HEADERS(sys/user.h, [], [],
 440 [
 441 #ifdef HAVE_SYS_PARAM_H
 442 # include <sys/param.h>
 443 #endif
 444 ])
 445
 446 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 447 if test x$have_zlib = xyes; then
 448    AC_TRY_COMPILE([#include <zlib.h>], [
 449    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 450    return 0;
 451    #else
 452    #error No good zlib found
 453    #endif
 454    ],[
 455         AC_MSG_RESULT(Using system zlib)
 456         zlib_msg="system zlib"
 457         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 458    ],[
 459         AC_MSG_RESULT(Using embedded zlib)
 460         have_zlib=no
 461         zlib_msg="bundled zlib"
 462    ])
 463 fi
 464
 465 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 466 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 467
 468 # for mono/metadata/debug-symfile.c
 469 AC_CHECK_HEADERS(elf.h)
 470
 471 # for support
 472 AC_CHECK_HEADERS(poll.h)
 473 AC_CHECK_HEADERS(sys/poll.h)
 474 AC_CHECK_HEADERS(sys/wait.h)
 475 AC_CHECK_HEADERS(grp.h)
 476 AC_CHECK_HEADERS(syslog.h)
 477
 478 # for mono/dis
 479 AC_CHECK_HEADERS(wchar.h)
 480 AC_CHECK_HEADERS(ieeefp.h)
 481 AC_MSG_CHECKING(for isinf)
 482 AC_TRY_LINK([#include <math.h>], [
 483         int f = isinf (1);
 484 ], [
 485         AC_MSG_RESULT(yes)
 486         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 487 ], [
 488         # We'll have to use signals
 489         AC_MSG_RESULT(no)
 490 ])
 491
 492 # for Linux statfs support
 493 AC_CHECK_HEADERS(linux/magic.h)
 494
 495 # not 64 bit clean in cross-compile
 496 AC_CHECK_SIZEOF(void *, 4)
 497
 498 WARN=''
 499 if test x"$GCC" = xyes; then
 500         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
 501                 # The runtime code does not respect ANSI C strict aliasing rules
 502                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 503
 504                 ORIG_CFLAGS=$CFLAGS
 505                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 506                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 507                 AC_TRY_COMPILE([],[
 508                                 return 0;
 509                 ], [
 510                    AC_MSG_RESULT(yes)
 511                 ], [
 512                    AC_MSG_RESULT(no)
 513                    CFLAGS=$ORIG_CFLAGS
 514                 ])
 515
 516                 ORIG_CFLAGS=$CFLAGS
 517                 # Check for the normal version, since gcc ignores unknown -Wno options
 518                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 519                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 520                 AC_TRY_COMPILE([],[
 521                                 return 0;
 522                 ], [
 523                    AC_MSG_RESULT(yes)
 524                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 525                 ], [
 526                    AC_MSG_RESULT(no)
 527                    CFLAGS=$ORIG_CFLAGS
 528                 ])
 529 else
 530         # The Sun Forte compiler complains about inline functions that access static variables
 531         # so disable all inlining.
 532         case "$host" in
 533         *-*-solaris*)
 534                 CFLAGS="$CFLAGS -Dinline="
 535                 ;;
 536         esac
 537 fi
 538 CFLAGS="$CFLAGS -g $WARN"
 539 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 540
 541 AC_CACHE_CHECK([for clang],
 542         mono_cv_clang,[
 543         AC_TRY_RUN([
 544                 int main () {
 545                         #ifdef __clang__
 546                                 return 0;
 547                         #else
 548                                 return 1;
 549                         #endif
 550                 }
 551         ],
 552         [mono_cv_clang=yes],
 553         [mono_cv_clang=no],
 554         [])
 555 ])
 556
 557 # Where's the 'mcs' source tree?
 558 if test -d $srcdir/mcs; then
 559   mcsdir=mcs
 560 else
 561   mcsdir=../mcs
 562 fi
 563
 564 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 565         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 566                 mcsdir=$with_mcs_path
 567         fi
 568 )
 569
 570 #
 571 # A sanity check to catch cases where the package was unpacked
 572 # with an ancient tar program (Solaris)
 573 #
 574 AC_ARG_ENABLE(solaris-tar-check,
 575 [  --disable-solaris-tar-check    disable solaris tar check],
 576    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 577
 578 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 579         AC_MSG_CHECKING(integrity of package)
 580         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 581         then
 582                 AC_MSG_RESULT(ok)
 583         else
 584                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 585                 AC_MSG_ERROR([$errorm])
 586         fi
 587 fi
 588
 589 if test "x$with_mcs_path" != "x"; then
 590 mcs_topdir=$(cd "$mcsdir" && pwd)
 591 mcs_topdir_from_srcdir=$mcs_topdir
 592 else
 593 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 594 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 595 fi
 596
 597 # Convert mcs_topdir* paths to Windows syntax.
 598 if test x$cross_compiling$host_win32 = xnoyes; then
 599   mcs_topdir=$(cygpath -m $mcs_topdir)
 600   case $mcs_topdir_from_srcdir in
 601     /cygdrive/*)
 602         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 603         ;;
 604   esac
 605 fi
 606
 607 AC_SUBST([mcs_topdir])
 608 AC_SUBST([mcs_topdir_from_srcdir])
 609
 610 # Where's the 'olive' source tree?
 611 if test -d $srcdir/olive; then
 612   olivedir=olive
 613 else
 614   olivedir=../olive
 615 fi
 616
 617 if test -d $srcdir/$olivedir; then
 618 olive_topdir='$(top_srcdir)/'$olivedir
 619 fi
 620
 621 # gettext: prepare the translation directories.
 622 # we do not configure the full gettext, as we consume it dynamically from C#
 623 AM_PO_SUBDIRS
 624
 625 if test "x$USE_NLS" = "xyes"; then
 626    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 627
 628    if test "x$HAVE_MSGFMT" = "xno"; then
 629           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 630    fi
 631 fi
 632
 633 AC_ARG_WITH([libgdiplus],
 634         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 635         [], [with_libgdiplus=installed])
 636
 637 case $with_libgdiplus in
 638 no|installed) libgdiplus_loc= ;;
 639 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 640 /*) libgdiplus_loc=$with_libgdiplus ;;
 641 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 642 esac
 643 AC_SUBST([libgdiplus_loc])
 644
 645 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 646
 647 pkg_config_path=
 648 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 649         if test x$with_crosspkgdir = "x"; then
 650                 if test -s $PKG_CONFIG_PATH; then
 651                         pkg_config_path=$PKG_CONFIG_PATH
 652                 fi
 653         else
 654                 pkg_config_path=$with_crosspkgdir
 655                 PKG_CONFIG_PATH=$pkg_config_path
 656                 export PKG_CONFIG_PATH
 657         fi
 658 )
 659
 660 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 661 AC_CONFIG_SUBDIRS(eglib)
 662
 663 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 664 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 665 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 666 BUILD_GLIB_LIBS="$GLIB_LIBS"
 667 GMODULE_CFLAGS="$GLIB_CFLAGS"
 668 GMODULE_LIBS="$GLIB_LIBS"
 669
 670 AC_SUBST(GLIB_CFLAGS)
 671 AC_SUBST(GLIB_LIBS)
 672 AC_SUBST(GMODULE_CFLAGS)
 673 AC_SUBST(GMODULE_LIBS)
 674 AC_SUBST(BUILD_GLIB_CFLAGS)
 675 AC_SUBST(BUILD_GLIB_LIBS)
 676
 677 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 678
 679 # Enable support for fast thread-local storage
 680 # Some systems have broken support, so we allow to disable it.
 681 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 682
 683 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 684 # This does not work on some platforms (bug #55253)
 685 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 686
 687 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 688 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 689 # Same as --with-shared_mono=no
 690 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 691
 692 if test "x$enable_static" = "xno"; then
 693    with_static_mono=no
 694 fi
 695
 696 if test "x$enable_shared" = "xno"; then
 697    with_shared_mono=no
 698 fi
 699
 700 if test "x$enable_libraries" = "xno"; then
 701    with_shared_mono=no
 702 fi
 703
 704 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 705
 706 case $host in
 707 *nacl* ) with_shared_mono=yes;;
 708 esac
 709
 710 if test "x$host_win32" = "xyes"; then
 711    # Boehm GC requires the runtime to be in its own dll
 712    with_static_mono=no
 713 fi
 714
 715 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 716 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 717 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 718
 719 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 720 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 721         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 722         ORIG_CFLAGS=$CFLAGS
 723         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 724         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 725         AC_TRY_COMPILE([], [
 726                 return 0;
 727         ], [
 728            AC_MSG_RESULT(yes)
 729            # Pass it to libgc as well
 730            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 731         ], [
 732            AC_MSG_RESULT(no)
 733            CFLAGS=$ORIG_CFLAGS
 734         ])
 735 fi
 736
 737 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 738
 739 if test x$enable_small_config = xyes; then
 740         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 741         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 742 fi
 743
 744 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=$enableval, enable_system_aot=default)
 745
 746 DISABLED_FEATURES=none
 747
 748 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 749      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 750      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 751          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 752 [
 753         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 754                 eval "mono_feature_disable_$feature='yes'"
 755         done
 756         DISABLED_FEATURES=$enable_minimal
 757         disabled="Disabled:      $enable_minimal"
 758 ],[])
 759
 760 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 761
 762 if test "x$mono_feature_disable_aot" = "xyes"; then
 763         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 764         AC_MSG_NOTICE([Disabled AOT compiler])
 765 fi
 766
 767 if test "x$mono_feature_disable_profiler" = "xyes"; then
 768         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 769         AC_MSG_NOTICE([Disabled support for the profiler])
 770 fi
 771 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 772
 773 if test "x$mono_feature_disable_decimal" = "xyes"; then
 774         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 775         AC_MSG_NOTICE([Disabled support for decimal])
 776 fi
 777
 778 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 779         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 780         AC_MSG_NOTICE([Disabled support for P/Invoke])
 781 fi
 782
 783 if test "x$mono_feature_disable_debug" = "xyes"; then
 784         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 785         AC_MSG_NOTICE([Disabled support for runtime debugging])
 786 fi
 787
 788 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 789         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 790         mono_feature_disable_reflection_emit_save=yes
 791         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 792 fi
 793
 794 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 795         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 796         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 797 fi
 798
 799 if test "x$mono_feature_disable_large_code" = "xyes"; then
 800         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 801         AC_MSG_NOTICE([Disabled support for large assemblies])
 802 fi
 803
 804 if test "x$mono_feature_disable_logging" = "xyes"; then
 805         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 806         AC_MSG_NOTICE([Disabled support for logging])
 807 fi
 808
 809 if test "x$mono_feature_disable_com" = "xyes"; then
 810         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 811         AC_MSG_NOTICE([Disabled COM support])
 812 fi
 813
 814 if test "x$mono_feature_disable_ssa" = "xyes"; then
 815         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 816         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 817 fi
 818
 819 if test "x$mono_feature_disable_generics" = "xyes"; then
 820         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 821         AC_MSG_NOTICE([Disabled Generics Support])
 822 fi
 823
 824 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 825         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 826         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 827 fi
 828
 829 if test "x$mono_feature_disable_portability" = "xyes"; then
 830         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 831         AC_MSG_NOTICE([Disabled IO Portability layer])
 832 fi
 833
 834 if test "x$mono_feature_disable_attach" = "xyes"; then
 835         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 836         AC_MSG_NOTICE([Disabled agent attach])
 837 fi
 838
 839 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 840         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 841         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 842 fi
 843
 844 if test "x$mono_feature_disable_verifier" = "xyes"; then
 845         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 846         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 847 fi
 848
 849 if test "x$mono_feature_disable_jit" = "xyes"; then
 850         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 851         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 852 fi
 853
 854 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 855
 856 if test "x$mono_feature_disable_simd" = "xyes"; then
 857         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 858         AC_MSG_NOTICE([Disabled SIMD support])
 859 fi
 860
 861 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 862         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 863         AC_MSG_NOTICE([Disabled Soft Debugger.])
 864 fi
 865
 866 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 867         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 868         AC_MSG_NOTICE([Disabled Performance Counters.])
 869 fi
 870 if test "x$mono_feature_disable_normalization" = "xyes"; then
 871         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 872         AC_MSG_NOTICE([Disabled String normalization support.])
 873 fi
 874
 875 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 876         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 877         AC_MSG_NOTICE([Disabled Assembly remapping.])
 878 fi
 879
 880 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 881         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 882         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 883 fi
 884
 885 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 886         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 887         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 888 fi
 889
 890 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 891         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 892         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 893 fi
 894
 895 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 896         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 897         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 898 fi
 899
 900 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 902         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 903 fi
 904
 905 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 906         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 907         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 908 fi
 909
 910 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 911 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 912
 913 AC_MSG_CHECKING(for visibility __attribute__)
 914 AC_COMPILE_IFELSE([
 915         AC_LANG_SOURCE([[
 916                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 917                 int main () { doit (); return 0; }
 918         ]])
 919 ], [
 920    have_visibility_hidden=yes
 921    AC_MSG_RESULT(yes)
 922 ], [
 923    have_visibility_hidden=no
 924    AC_MSG_RESULT(no)
 925 ])
 926
 927 AC_MSG_CHECKING(for deprecated __attribute__)
 928 AC_TRY_COMPILE([
 929      int doit (void) __attribute__ ((deprecated));
 930      int doit (void) { return 0; }
 931 ], [
 932         return 0;
 933 ], [
 934    have_deprecated=yes
 935    AC_MSG_RESULT(yes)
 936 ], [
 937    have_deprecated=no
 938    AC_MSG_RESULT(no)
 939 ])
 940
 941 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 942 if test x$enable_parallel_mark = xyes; then
 943         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 944 fi
 945
 946 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 947 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 948
 949 dnl
 950 dnl Boehm GC configuration
 951 dnl
 952 LIBGC_CPPFLAGS=
 953 LIBGC_LIBS=
 954 LIBGC_STATIC_LIBS=
 955 libgc_dir=
 956 case "x$gc" in
 957         xboehm|xbohem|xyes)
 958                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 959                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 960
 961                 if test "x$found_boehm" != "xyes"; then
 962                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 963                 fi
 964                 if test "x$gc_headers" != "xyes"; then
 965                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 966                 fi
 967
 968                 LIBGC_LIBS="-lgc $libdl"
 969                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 970                 libmono_ldflags="$libmono_ldflags -lgc"
 971                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 972
 973                 # AC_CHECK_FUNCS does not work for some reason...
 974                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 975                 if test "x$found_gcj_malloc" = "xyes"; then
 976                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 977                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 978                         gc_msg="System Boehm with typed GC"
 979                 else
 980                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 981                         gc_msg="System Boehm (without typed GC)"
 982                 fi
 983                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 984                 if test "x$found_gc_enable" = "xyes"; then
 985                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 986                 fi
 987
 988                 # check whether we need to explicitly allow
 989                 # thread registering
 990                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 991                 if test "x$found_allow_register_threads" = "xyes"; then
 992                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 993                 fi
 994
 995                 ;;
 996
 997         xincluded)
 998                 use_included_gc=yes
 999                 libgc_dir=libgc
1000
1001                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1002                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1003                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1004
1005                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1006
1007                 gc_msg="bundled Boehm GC with typed GC"
1008                 if test x$enable_parallel_mark = xyes; then
1009                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1010                         gc_msg="$gc_msg and parallel mark"
1011                 else
1012                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1013                 fi
1014                 ;;
1015
1016         xsgen)
1017                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1018                 ;;
1019
1020         xnone)
1021                 AC_MSG_WARN("Compiling mono without GC.")
1022                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1023                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1024                 ;;
1025         *)
1026                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1027                 ;;
1028 esac
1029
1030 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1031 if test "x$large_heap" = "xyes"; then
1032    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1033 fi
1034
1035 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1036 AC_SUBST(LIBGC_CPPFLAGS)
1037 AC_SUBST(LIBGC_LIBS)
1038 AC_SUBST(LIBGC_STATIC_LIBS)
1039 AC_SUBST(libgc_dir)
1040 AC_SUBST(BOEHM_DEFINES)
1041
1042 dnl
1043 dnl End of libgc checks
1044 dnl
1045
1046 dnl *************************************
1047 dnl *** Checks for zero length arrays ***
1048 dnl *************************************
1049 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1050 AC_TRY_COMPILE([
1051         struct s {
1052                 int  length;
1053                 char data [0];
1054         };
1055 ], [], [
1056         AC_MSG_RESULT(yes)
1057         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1058 ], [
1059         AC_MSG_RESULT(no)
1060         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1061 ])
1062
1063 if test x$target_win32 = xno; then
1064
1065         dnl hires monotonic clock support
1066         AC_SEARCH_LIBS(clock_gettime, rt)
1067
1068         dnl dynamic loader support
1069         AC_CHECK_FUNC(dlopen, DL_LIB="",
1070                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1071         )
1072         if test x$dl_support = xno; then
1073                 AC_MSG_WARN([No dynamic loading support available])
1074         else
1075                 LIBS="$LIBS $DL_LIB"
1076                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1077                 dnl from glib's configure.in
1078                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1079                         mono_cv_uscore,[
1080                         AC_TRY_RUN([#include <dlfcn.h>
1081                         int mono_underscore_test (void) { return 42; }
1082                         int main() {
1083                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1084                           handle = dlopen ((void*)0, 0);
1085                           if (handle) {
1086                             f1 = dlsym (handle, "mono_underscore_test");
1087                             f2 = dlsym (handle, "_mono_underscore_test");
1088                           } return (!f2 || f1);
1089                         }],
1090                                 [mono_cv_uscore=yes],
1091                                 [mono_cv_uscore=no],
1092                         [])
1093                 ])
1094                 if test "x$mono_cv_uscore" = "xyes"; then
1095                         MONO_DL_NEED_USCORE=1
1096                 else
1097                         MONO_DL_NEED_USCORE=0
1098                 fi
1099                 AC_SUBST(MONO_DL_NEED_USCORE)
1100                 AC_CHECK_FUNC(dlerror)
1101         fi
1102
1103         dnl ******************************************************************
1104         dnl *** Checks for the IKVM JNI interface library                  ***
1105         dnl ******************************************************************
1106         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])
1107
1108         ikvm_native_dir=
1109         if test x$with_ikvm_native = xyes; then
1110                 ikvm_native_dir=ikvm-native
1111                 jdk_headers_found="IKVM Native"
1112         fi
1113
1114         AC_SUBST(ikvm_native_dir)
1115
1116         AC_CHECK_HEADERS(execinfo.h)
1117
1118         AC_CHECK_FUNCS(getgrgid_r)
1119         AC_CHECK_FUNCS(getgrnam_r)
1120         AC_CHECK_FUNCS(getpwnam_r)
1121         AC_CHECK_FUNCS(getpwuid_r)
1122         AC_CHECK_FUNCS(getresuid)
1123         AC_CHECK_FUNCS(setresuid)
1124         AC_CHECK_FUNCS(kqueue)
1125         AC_CHECK_FUNCS(backtrace_symbols)
1126         AC_CHECK_FUNCS(mkstemp)
1127         AC_CHECK_FUNCS(mmap)
1128         AC_CHECK_FUNCS(madvise)
1129         AC_CHECK_FUNCS(getrusage)
1130         AC_CHECK_FUNCS(getpriority)
1131         AC_CHECK_FUNCS(setpriority)
1132         AC_CHECK_FUNCS(dl_iterate_phdr)
1133         AC_CHECK_FUNCS(dladdr)
1134         AC_CHECK_FUNCS(sysconf)
1135
1136         AC_CHECK_FUNCS(sched_setaffinity)
1137         AC_CHECK_FUNCS(sched_getcpu)
1138
1139         dnl ****************************************************************
1140         dnl *** Check for sched_setaffinity from glibc versions before   ***
1141         dnl *** 2.3.4. The older versions of the function only take 2    ***
1142         dnl *** parameters, not 3.                                       ***
1143         dnl ***                                                          ***
1144         dnl *** Because the interface change was not made in a minor     ***
1145         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1146         dnl *** won't always indicate the interface sched_affinity has.  ***
1147         dnl ****************************************************************
1148         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1149         AC_TRY_COMPILE([#include <sched.h>], [
1150             int mask = 1;
1151             sched_setaffinity(0, &mask);
1152                         return 0;
1153         ], [
1154                 # Yes, we have it...
1155                 AC_MSG_RESULT(yes)
1156                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1157         ], [
1158                 # We have the new, three-parameter version
1159                 AC_MSG_RESULT(no)
1160         ])
1161
1162
1163         dnl ******************************************************************
1164         dnl *** Check for large file support                               ***
1165         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1166         dnl ******************************************************************
1167
1168         # Check that off_t can represent 2**63 - 1 correctly, working around
1169         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1170         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1171         large_offt=no
1172         AC_DEFUN([LARGE_FILES], [
1173                 large_CPPFLAGS=$CPPFLAGS
1174                 CPPFLAGS="$CPPFLAGS $1"
1175                 AC_TRY_COMPILE([
1176                         #include <sys/types.h>
1177                         #include <limits.h>
1178                 ], [
1179                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1180                         #define COMPILE_TIME_ASSERT(pred) \
1181                                 switch(0){case 0:case pred:;}
1182                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1183                 ], [
1184                         AC_MSG_RESULT(ok)
1185                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1186                         large_CPPFLAGS="$large_CPPFLAGS $1"
1187                         large_offt=yes
1188                 ], [
1189                         AC_MSG_RESULT(no)
1190                 ])
1191                 CPPFLAGS=$large_CPPFLAGS
1192         ])
1193
1194         AC_MSG_CHECKING(if off_t is 64 bits wide)
1195         LARGE_FILES("")
1196         if test $large_offt = no; then
1197                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1198                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1199         fi
1200         if test $large_offt = no; then
1201                 AC_MSG_WARN([No 64 bit file size support available])
1202         fi
1203
1204         dnl *****************************
1205         dnl *** Checks for libsocket  ***
1206         dnl *****************************
1207         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1208
1209         dnl *******************************
1210         dnl *** Checks for MSG_NOSIGNAL ***
1211         dnl *******************************
1212         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1213         AC_TRY_COMPILE([#include <sys/socket.h>], [
1214                 int f = MSG_NOSIGNAL;
1215         ], [
1216                 # Yes, we have it...
1217                 AC_MSG_RESULT(yes)
1218                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1219         ], [
1220                 # We'll have to use signals
1221                 AC_MSG_RESULT(no)
1222         ])
1223
1224         dnl *****************************
1225         dnl *** Checks for SOL_IP     ***
1226         dnl *****************************
1227         AC_MSG_CHECKING(for SOL_IP)
1228         AC_TRY_COMPILE([#include <netdb.h>], [
1229                 int level = SOL_IP;
1230         ], [
1231                 # Yes, we have it...
1232                 AC_MSG_RESULT(yes)
1233                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1234         ], [
1235                 # We'll have to use getprotobyname
1236                 AC_MSG_RESULT(no)
1237         ])
1238
1239         dnl *****************************
1240         dnl *** Checks for SOL_IPV6     ***
1241         dnl *****************************
1242         AC_MSG_CHECKING(for SOL_IPV6)
1243         AC_TRY_COMPILE([#include <netdb.h>], [
1244                 int level = SOL_IPV6;
1245         ], [
1246                 # Yes, we have it...
1247                 AC_MSG_RESULT(yes)
1248                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1249         ], [
1250                 # We'll have to use getprotobyname
1251                 AC_MSG_RESULT(no)
1252         ])
1253
1254         dnl *****************************
1255         dnl *** Checks for SOL_TCP    ***
1256         dnl *****************************
1257         AC_MSG_CHECKING(for SOL_TCP)
1258         AC_TRY_COMPILE([#include <netdb.h>], [
1259                 int level = SOL_TCP;
1260         ], [
1261                 # Yes, we have it...
1262                 AC_MSG_RESULT(yes)
1263                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1264         ], [
1265                 # We'll have to use getprotobyname
1266                 AC_MSG_RESULT(no)
1267         ])
1268
1269         dnl *****************************
1270         dnl *** Checks for IP_PKTINFO ***
1271         dnl *****************************
1272         AC_MSG_CHECKING(for IP_PKTINFO)
1273         AC_TRY_COMPILE([#include <netdb.h>], [
1274                 int level = IP_PKTINFO;
1275         ], [
1276                 # Yes, we have it...
1277                 AC_MSG_RESULT(yes)
1278                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1279         ], [
1280                 AC_MSG_RESULT(no)
1281         ])
1282
1283         dnl *****************************
1284         dnl *** Checks for IPV6_PKTINFO ***
1285         dnl *****************************
1286         AC_MSG_CHECKING(for IPV6_PKTINFO)
1287         AC_TRY_COMPILE([#include <netdb.h>], [
1288                 int level = IPV6_PKTINFO;
1289         ], [
1290                 # Yes, we have it...
1291                 AC_MSG_RESULT(yes)
1292                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1293         ], [
1294                 AC_MSG_RESULT(no)
1295         ])
1296
1297         dnl **********************************
1298         dnl *** Checks for IP_DONTFRAGMENT ***
1299         dnl **********************************
1300         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1301         AC_TRY_COMPILE([#include <netdb.h>], [
1302                 int level = IP_DONTFRAGMENT;
1303         ], [
1304                 # Yes, we have it...
1305                 AC_MSG_RESULT(yes)
1306                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1307         ], [
1308                 AC_MSG_RESULT(no)
1309         ])
1310
1311         dnl **********************************
1312         dnl *** Checks for IP_MTU_DISCOVER ***
1313         dnl **********************************
1314         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1315         AC_TRY_COMPILE([#include <netdb.h>], [
1316                 int level = IP_MTU_DISCOVER;
1317         ], [
1318                 # Yes, we have it...
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1321         ], [
1322                 AC_MSG_RESULT(no)
1323         ])
1324
1325         dnl *********************************
1326         dnl *** Check for struct ip_mreqn ***
1327         dnl *********************************
1328         AC_MSG_CHECKING(for struct ip_mreqn)
1329         AC_TRY_COMPILE([#include <netinet/in.h>], [
1330                 struct ip_mreqn mreq;
1331                 mreq.imr_address.s_addr = 0;
1332         ], [
1333                 # Yes, we have it...
1334                 AC_MSG_RESULT(yes)
1335                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1336         ], [
1337                 # We'll just have to try and use struct ip_mreq
1338                 AC_MSG_RESULT(no)
1339                 AC_MSG_CHECKING(for struct ip_mreq)
1340                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1341                         struct ip_mreq mreq;
1342                         mreq.imr_interface.s_addr = 0;
1343                 ], [
1344                         # Yes, we have it...
1345                         AC_MSG_RESULT(yes)
1346                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1347                 ], [
1348                         # No multicast support
1349                         AC_MSG_RESULT(no)
1350                 ])
1351         ])
1352
1353         dnl **********************************
1354         dnl *** Check for gethostbyname2_r ***
1355         dnl **********************************
1356         AC_MSG_CHECKING(for gethostbyname2_r)
1357                 AC_TRY_LINK([#include <netdb.h>], [
1358                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1359         ], [
1360                 # Yes, we have it...
1361                 AC_MSG_RESULT(yes)
1362                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1363         ], [
1364                 AC_MSG_RESULT(no)
1365         ])
1366
1367         dnl *****************************
1368         dnl *** Checks for libnsl     ***
1369         dnl *****************************
1370         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1371
1372         AC_CHECK_FUNCS(inet_pton inet_aton)
1373
1374         dnl ***********************************************
1375         dnl *** Checks for size of sockaddr_un.sun_path ***
1376         dnl ***********************************************
1377         # AC_CHECK_SIZEOF can't cope with struct members :-(
1378         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1379         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1380                 [AC_TRY_RUN([
1381                         #include <sys/types.h>
1382                         #include <stdio.h>
1383                         #include <sys/un.h>
1384
1385                         int main(void) {
1386                                 struct sockaddr_un sock_un;
1387                                 FILE *f=fopen("conftestval", "w");
1388                                 if(!f) exit(1);
1389                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1390                                 exit(0);
1391                         }
1392                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1393                    mono_cv_sizeof_sunpath=0,
1394                    mono_cv_sizeof_sunpath=0)])dnl
1395         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1396         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1397
1398         dnl *****************************
1399         dnl *** Checks for libxnet    ***
1400         dnl *****************************
1401         case "${host}" in
1402                 *solaris* )
1403                         AC_MSG_CHECKING(for Solaris XPG4 support)
1404                         if test -f /usr/lib/libxnet.so; then
1405                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1406                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1407                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1408                                 LIBS="$LIBS -lxnet"
1409                                 AC_MSG_RESULT(yes)
1410                         else
1411                                 AC_MSG_RESULT(no)
1412                         fi
1413
1414                         if test "$GCC" = "yes"; then
1415                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1416                         fi
1417                 ;;
1418         esac
1419
1420         dnl *****************************
1421         dnl *** Checks for libpthread ***
1422         dnl *****************************
1423 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1424 # and libpthread does not exist
1425 #
1426         case "${host}" in
1427                 *-*-*freebsd*)
1428                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1429                 ;;
1430                 *-*-*openbsd*)
1431                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1432                 ;;
1433                 *)
1434                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1435                 ;;
1436         esac
1437         AC_CHECK_HEADERS(pthread.h)
1438         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1439         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1440         AC_CHECK_FUNCS(pthread_kill)
1441         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1442         AC_TRY_COMPILE([ #include <pthread.h>], [
1443                 pthread_mutexattr_t attr;
1444                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1445         ], [
1446                 AC_MSG_RESULT(ok)
1447         ], [
1448                 AC_MSG_RESULT(no)
1449                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1450                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1451         ])
1452         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1453         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1454         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1455
1456         dnl ***********************************
1457         dnl *** Checks for signals
1458         dnl ***********************************
1459         AC_CHECK_HEADERS(signal.h)
1460         AC_CHECK_FUNCS(sigaction)
1461
1462         dnl ***********************************
1463         dnl *** Checks for working __thread ***
1464         dnl ***********************************
1465         AC_MSG_CHECKING(for working __thread)
1466         if test "x$with_tls" != "x__thread"; then
1467                 AC_MSG_RESULT(disabled)
1468         else
1469                 AC_TRY_RUN([
1470                         #include <pthread.h>
1471                         __thread int i;
1472                         static int res1, res2;
1473
1474                         void thread_main (void *arg)
1475                         {
1476                                 i = arg;
1477                                 sleep (1);
1478                                 if (arg == 1)
1479                                         res1 = (i == arg);
1480                                 else
1481                                         res2 = (i == arg);
1482                         }
1483
1484                         int main () {
1485                                 pthread_t t1, t2;
1486
1487                                 i = 5;
1488
1489                                 pthread_create (&t1, NULL, thread_main, 1);
1490                                 pthread_create (&t2, NULL, thread_main, 2);
1491
1492                                 pthread_join (t1, NULL);
1493                                 pthread_join (t2, NULL);
1494
1495                                 return !(res1 + res2 == 2);
1496                         }
1497                 ], [
1498                                 AC_MSG_RESULT(yes)
1499                 ], [
1500                                 AC_MSG_RESULT(no)
1501                                 with_tls=pthread
1502                 ])
1503         fi
1504
1505         dnl **************************************
1506         dnl *** Checks for working sigaltstack ***
1507         dnl **************************************
1508         AC_MSG_CHECKING(for working sigaltstack)
1509         if test "x$with_sigaltstack" != "xyes"; then
1510                 AC_MSG_RESULT(disabled)
1511         else
1512                 AC_TRY_RUN([
1513                         #include <stdio.h>
1514                         #include <stdlib.h>
1515                         #include <unistd.h>
1516                         #include <signal.h>
1517                         #include <pthread.h>
1518                         #include <sys/wait.h>
1519                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1520                         #define SA_STACK SA_ONSTACK
1521                         #endif
1522                         static void
1523                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1524                         {
1525                                 exit (0);
1526                         }
1527
1528                         volatile char*__ptr = NULL;
1529                         static void *
1530                         loop (void *ignored)
1531                         {
1532                                 *__ptr = 0;
1533                                 return NULL;
1534                         }
1535
1536                         static void
1537                         child ()
1538                         {
1539                                 struct sigaction sa;
1540                         #ifdef __APPLE__
1541                                 stack_t sas;
1542                         #else
1543                                 struct sigaltstack sas;
1544                         #endif
1545                                 pthread_t id;
1546                                 pthread_attr_t attr;
1547
1548                                 sa.sa_sigaction = sigsegv_signal_handler;
1549                                 sigemptyset (&sa.sa_mask);
1550                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1551                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1552                                         perror ("sigaction");
1553                                         return;
1554                                 }
1555
1556                                 /* x86 darwin deliver segfaults using SIGBUS */
1557                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1558                                         perror ("sigaction");
1559                                         return;
1560                                 }
1561                                 sas.ss_sp = malloc (SIGSTKSZ);
1562                                 sas.ss_size = SIGSTKSZ;
1563                                 sas.ss_flags = 0;
1564                                 if (sigaltstack (&sas, NULL) == -1) {
1565                                         perror ("sigaltstack");
1566                                         return;
1567                                 }
1568
1569                                 pthread_attr_init (&attr);
1570                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1571                                         printf ("pthread_create\n");
1572                                         return;
1573                                 }
1574
1575                                 sleep (100);
1576                         }
1577
1578                         int
1579                         main ()
1580                         {
1581                                 pid_t son;
1582                                 int status;
1583                                 int i;
1584
1585                                 son = fork ();
1586                                 if (son == -1) {
1587                                         return 1;
1588                                 }
1589
1590                                 if (son == 0) {
1591                                         child ();
1592                                         return 0;
1593                                 }
1594
1595                                 for (i = 0; i < 300; ++i) {
1596                                         waitpid (son, &status, WNOHANG);
1597                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1598                                                 return 0;
1599                                         usleep (10000);
1600                                 }
1601
1602                                 kill (son, SIGKILL);
1603                                 return 1;
1604                         }
1605
1606                 ], [
1607                                 AC_MSG_RESULT(yes)
1608                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1609                 ], [
1610                                 with_sigaltstack=no
1611                                 AC_MSG_RESULT(no)
1612                 ])
1613         fi
1614
1615         dnl ********************************
1616         dnl *** Checks for semaphore lib ***
1617         dnl ********************************
1618         # 'Real Time' functions on Solaris
1619         # posix4 on Solaris 2.6
1620         # pthread (first!) on Linux
1621         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1622
1623         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1624         AC_CHECK_FUNCS(shm_open)
1625
1626         dnl ********************************
1627         dnl *** Checks for timezone stuff **
1628         dnl ********************************
1629         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1630                 AC_TRY_COMPILE([
1631                         #include <time.h>
1632                         ], [
1633                         struct tm tm;
1634                         tm.tm_gmtoff = 1;
1635                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1636         if test $ac_cv_struct_tm_gmtoff = yes; then
1637                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1638         else
1639                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1640                         AC_TRY_COMPILE([
1641                                 #include <time.h>
1642                         ], [
1643                                 timezone = 1;
1644                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1645                 if test $ac_cv_var_timezone = yes; then
1646                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1647                 else
1648                         AC_ERROR(unable to find a way to determine timezone)
1649                 fi
1650         fi
1651
1652         dnl *********************************
1653         dnl *** Checks for math functions ***
1654         dnl *********************************
1655         AC_SEARCH_LIBS(sqrtf, m)
1656         if test "x$has_broken_apple_cpp" != "xyes"; then
1657                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1658                         AC_TRY_LINK([#include <math.h>],
1659                         [ finite(0.0); ],
1660                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1661                         AC_MSG_RESULT(no)))
1662         fi
1663         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1664                 AC_TRY_LINK([#include <math.h>],
1665                 [ isfinite(0.0); ],
1666                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1667                 AC_MSG_RESULT(no)))
1668
1669         dnl ****************************************************************
1670         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1671         dnl *** have it in the library (duh))                            ***
1672         dnl ****************************************************************
1673         AC_CHECK_FUNCS(poll)
1674
1675         dnl *************************
1676         dnl *** Check for signbit ***
1677         dnl *************************
1678         AC_MSG_CHECKING(for signbit)
1679         AC_TRY_LINK([#include <math.h>], [
1680                 int s = signbit(1.0);
1681         ], [
1682                 AC_MSG_RESULT(yes)
1683                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1684         ], [
1685                 AC_MSG_RESULT(no)
1686         ])
1687
1688         dnl **********************************
1689         dnl *** epoll                      ***
1690         dnl **********************************
1691         AC_CHECK_HEADERS(sys/epoll.h)
1692         haveepoll=no
1693         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1694         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1695                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1696         fi
1697
1698         havekqueue=no
1699         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1700                 AC_TRY_LINK([#include <sys/event.h>],
1701                 [ kqueue(); ],[havekqueue=yes],[]))
1702
1703         dnl **************************************
1704         dnl * Darwin has a race that prevents us from using reliably:
1705         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1706         dnl * Since kqueue is mostly used for scaling large web servers,
1707         dnl * and very few folks run Mono on large web servers on OSX, falling
1708         dnl * back
1709         dnl **************************************
1710         if test x$havekqueue = xyes; then
1711                 if x$platform_darwin = xno; then
1712                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1713                 fi
1714         fi
1715
1716         dnl ******************************
1717         dnl *** Checks for SIOCGIFCONF ***
1718         dnl ******************************
1719         AC_CHECK_HEADERS(sys/ioctl.h)
1720         AC_CHECK_HEADERS(net/if.h, [], [],
1721            [
1722            #ifdef HAVE_SYS_TYPES_H
1723            # include <sys/types.h>
1724            #endif
1725            #ifdef HAVE_SYS_SOCKET_H
1726            # include <sys/socket.h>
1727            #endif
1728            ])
1729         AC_MSG_CHECKING(for ifreq)
1730         AC_TRY_COMPILE([
1731                 #include <stdio.h>
1732                 #include <sys/ioctl.h>
1733                 #include <net/if.h>
1734                 ], [
1735                 struct ifconf ifc;
1736                 struct ifreq *ifr;
1737                 void *x;
1738                 ifc.ifc_len = 0;
1739                 ifc.ifc_buf = NULL;
1740                 x = (void *) &ifr->ifr_addr;
1741                 ],[
1742                         AC_MSG_RESULT(yes)
1743                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1744                 ], [
1745                         AC_MSG_RESULT(no)
1746                 ])
1747         dnl **********************************
1748         dnl ***     Checks for sin_len     ***
1749         dnl **********************************
1750         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1751         AC_TRY_COMPILE([
1752                 #include <netinet/in.h>
1753                 ], [
1754                 struct sockaddr_in saddr;
1755                 saddr.sin_len = sizeof (saddr);
1756                 ],[
1757                         AC_MSG_RESULT(yes)
1758                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1759                 ], [
1760                         AC_MSG_RESULT(no)
1761                 ])
1762         dnl **********************************
1763         dnl ***    Checks for sin6_len     ***
1764         dnl **********************************
1765         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1766         AC_TRY_COMPILE([
1767                 #include <netinet/in.h>
1768                 ], [
1769                 struct sockaddr_in6 saddr6;
1770                 saddr6.sin6_len = sizeof (saddr6);
1771                 ],[
1772                         AC_MSG_RESULT(yes)
1773                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1774                 ], [
1775                         AC_MSG_RESULT(no)
1776                 ])
1777         dnl **********************************
1778         dnl *** Check for getifaddrs       ***
1779         dnl **********************************
1780         AC_MSG_CHECKING(for getifaddrs)
1781                 AC_TRY_LINK([
1782                 #include <stdio.h>
1783                 #include <sys/types.h>
1784                 #include <sys/socket.h>
1785                 #include <ifaddrs.h>
1786         ], [
1787                 getifaddrs(NULL);
1788         ], [
1789                 # Yes, we have it...
1790                 AC_MSG_RESULT(yes)
1791                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1792         ], [
1793                 AC_MSG_RESULT(no)
1794         ])
1795         dnl **********************************
1796         dnl *** Check for if_nametoindex   ***
1797         dnl **********************************
1798         AC_MSG_CHECKING(for if_nametoindex)
1799                 AC_TRY_LINK([
1800                 #include <stdio.h>
1801                 #include <sys/types.h>
1802                 #include <sys/socket.h>
1803                 #include <net/if.h>
1804         ], [
1805                 if_nametoindex(NULL);
1806         ], [
1807                 # Yes, we have it...
1808                 AC_MSG_RESULT(yes)
1809                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1810         ], [
1811                 AC_MSG_RESULT(no)
1812         ])
1813
1814         dnl **********************************
1815         dnl *** Checks for MonoPosixHelper ***
1816         dnl **********************************
1817         AC_CHECK_HEADERS(checklist.h)
1818         AC_CHECK_HEADERS(pathconf.h)
1819         AC_CHECK_HEADERS(fstab.h)
1820         AC_CHECK_HEADERS(attr/xattr.h)
1821         AC_CHECK_HEADERS(sys/extattr.h)
1822         AC_CHECK_HEADERS(sys/sendfile.h)
1823         AC_CHECK_HEADERS(sys/statvfs.h)
1824         AC_CHECK_HEADERS(sys/statfs.h)
1825         AC_CHECK_HEADERS(sys/vfstab.h)
1826         AC_CHECK_HEADERS(sys/xattr.h)
1827         AC_CHECK_HEADERS(sys/mman.h)
1828         AC_CHECK_HEADERS(sys/param.h)
1829         AC_CHECK_HEADERS(sys/mount.h, [], [],
1830                 [
1831                 #ifdef HAVE_SYS_PARAM_H
1832                 # include <sys/param.h>
1833                 #endif
1834                 ])
1835         AC_CHECK_HEADERS(sys/mount.h)
1836         AC_CHECK_FUNCS(confstr)
1837         AC_CHECK_FUNCS(seekdir telldir)
1838         AC_CHECK_FUNCS(getdomainname)
1839         AC_CHECK_FUNCS(setdomainname)
1840         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1841         AC_CHECK_FUNCS(setgroups)
1842         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1843         AC_CHECK_FUNCS(getfsstat)
1844         AC_CHECK_FUNCS(lutimes futimes)
1845         AC_CHECK_FUNCS(mremap)
1846         AC_CHECK_FUNCS(remap_file_pages)
1847         AC_CHECK_FUNCS(posix_fadvise)
1848         AC_CHECK_FUNCS(posix_fallocate)
1849         AC_CHECK_FUNCS(posix_madvise)
1850         AC_CHECK_FUNCS(vsnprintf)
1851         AC_CHECK_FUNCS(sendfile)
1852         AC_CHECK_FUNCS(gethostid sethostid)
1853         AC_CHECK_FUNCS(sethostname)
1854         AC_CHECK_FUNCS(statfs)
1855         AC_CHECK_FUNCS(fstatfs)
1856         AC_CHECK_FUNCS(statvfs)
1857         AC_CHECK_FUNCS(fstatvfs)
1858         AC_CHECK_FUNCS(stime)
1859         AC_CHECK_FUNCS(strerror_r)
1860         AC_CHECK_FUNCS(ttyname_r)
1861         AC_CHECK_FUNCS(psignal)
1862         AC_CHECK_FUNCS(getlogin_r)
1863         AC_CHECK_FUNCS(lockf)
1864         AC_CHECK_FUNCS(swab)
1865         AC_CHECK_FUNCS(setusershell endusershell)
1866         AC_CHECK_SIZEOF(size_t)
1867         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1868                 [#include <sys/types.h>
1869                  #include <sys/stat.h>
1870                  #include <unistd.h>])
1871         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1872                 [#include <sys/types.h>
1873                  #include <sys/stat.h>
1874                  #include <unistd.h>])
1875         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1876                 [#include <sys/time.h>])
1877         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1878                 [#include <unistd.h>
1879                  #include <fcntl.h>])
1880         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1881                 [#include <sys/poll.h>])
1882         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1883                 [#include <sys/types.h>
1884                  #include <sys/stat.h>
1885                  #include <unistd.h>])
1886         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1887                 [#include <time.h>])
1888         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1889                 [#include <sys/time.h>
1890                  #include <sys/types.h>
1891                  #include <utime.h>])
1892         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1893                 [#include <sys/time.h>])
1894         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1895                 [#include <sys/types.h>
1896                  #include <utime.h>])
1897         AC_CHECK_MEMBERS(
1898                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1899                 [#include <sys/types.h>
1900                  #include <dirent.h>])
1901         AC_CHECK_MEMBERS(
1902                 [struct passwd.pw_gecos],,,
1903                 [#include <sys/types.h>
1904                  #include <pwd.h>])
1905         AC_CHECK_MEMBERS(
1906                 [struct statfs.f_flags],,,
1907                 [#include <sys/types.h>
1908                  #include <sys/vfs.h>])
1909
1910         dnl Favour xattr through glibc, but use libattr if we have to
1911         AC_CHECK_FUNC(lsetxattr, ,
1912                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1913         )
1914         AC_SUBST(XATTR_LIB)
1915
1916         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1917         AC_CHECK_MEMBERS(
1918                 [struct kinfo_proc.kp_proc],,,
1919                 [#include <sys/types.h>
1920                  #include <sys/param.h>
1921                  #include <sys/sysctl.h>
1922                  #include <sys/proc.h>
1923                  ])
1924
1925         dnl *********************************
1926         dnl *** Checks for Windows compilation ***
1927         dnl *********************************
1928         AC_CHECK_HEADERS(sys/time.h)
1929         AC_CHECK_HEADERS(sys/param.h)
1930         AC_CHECK_HEADERS(dirent.h)
1931
1932         dnl *********************************
1933         dnl *** Check for Console 2.0 I/O ***
1934         dnl *********************************
1935         AC_CHECK_HEADERS([curses.h])
1936         AC_CHECK_HEADERS([term.h], [], [],
1937         [#if HAVE_CURSES_H
1938          #include <curses.h>
1939          #endif
1940         ])
1941         AC_CHECK_HEADERS([termios.h])
1942
1943         dnl * This is provided in io-layer, but on windows it's only available
1944         dnl * on xp+
1945         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1946 else
1947         dnl *********************************
1948         dnl *** Checks for Windows compilation ***
1949         dnl *********************************
1950         AC_CHECK_HEADERS(winternl.h)
1951
1952         jdk_headers_found=no
1953         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1954         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1955         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1956         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1957         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1958         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1959         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1960
1961         dnl *********************************
1962         dnl *** Check for struct ip_mreqn ***
1963         dnl *********************************
1964         AC_MSG_CHECKING(for struct ip_mreqn)
1965         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1966                 struct ip_mreqn mreq;
1967                 mreq.imr_address.s_addr = 0;
1968         ], [
1969                 # Yes, we have it...
1970                 AC_MSG_RESULT(yes)
1971                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1972         ], [
1973                 # We'll just have to try and use struct ip_mreq
1974                 AC_MSG_RESULT(no)
1975                 AC_MSG_CHECKING(for struct ip_mreq)
1976                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1977                         struct ip_mreq mreq;
1978                         mreq.imr_interface.s_addr = 0;
1979                 ], [
1980                         # Yes, we have it...
1981                         AC_MSG_RESULT(yes)
1982                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1983                 ], [
1984                         # No multicast support
1985                         AC_MSG_RESULT(no)
1986                 ])
1987         ])
1988         AC_CHECK_FUNCS(GetProcessId)
1989 fi
1990
1991 dnl socklen_t check
1992 AC_MSG_CHECKING(for socklen_t)
1993 AC_TRY_COMPILE([
1994 #include <sys/types.h>
1995 #include <sys/socket.h>
1996 ],[
1997   socklen_t foo;
1998 ],[
1999 ac_cv_c_socklen_t=yes
2000         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2001         AC_MSG_RESULT(yes)
2002 ],[
2003         AC_MSG_RESULT(no)
2004 ])
2005
2006 AC_MSG_CHECKING(for array element initializer support)
2007 AC_TRY_COMPILE([#include <sys/socket.h>], [
2008         const int array[] = {[1] = 2,};
2009 ], [
2010         # Yes, we have it...
2011         AC_MSG_RESULT(yes)
2012         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2013 ], [
2014         # We'll have to use signals
2015         AC_MSG_RESULT(no)
2016 ])
2017
2018 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2019         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2020         AC_TRY_LINK([#include <math.h>],
2021         [ static void *p = &trunc; ],
2022         [
2023                 AC_DEFINE(HAVE_TRUNC)
2024                 AC_MSG_RESULT(yes)
2025                 ac_cv_trunc=yes
2026         ],
2027         AC_MSG_RESULT(no)))
2028
2029 if test "x$ac_cv_truncl" != "xyes"; then
2030    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2031 fi
2032
2033 AC_CHECK_FUNCS(round)
2034 AC_CHECK_FUNCS(rint)
2035 AC_CHECK_FUNCS(execvp)
2036
2037 dnl ****************************
2038 dnl *** Look for /dev/random ***
2039 dnl ****************************
2040
2041 AC_MSG_CHECKING([if usage of random device is requested])
2042 AC_ARG_ENABLE(dev-random,
2043 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2044 try_dev_random=$enableval, try_dev_random=yes)
2045
2046 AC_MSG_RESULT($try_dev_random)
2047
2048 case "{$build}" in
2049     *-openbsd*)
2050     NAME_DEV_RANDOM="/dev/srandom"
2051     ;;
2052
2053 dnl Win32 does not have /dev/random, they have their own method...
2054
2055     *-mingw*|*-*-cygwin*)
2056     ac_cv_have_dev_random=no
2057     ;;
2058
2059 dnl Everywhere else, it's /dev/random
2060
2061     *)
2062     NAME_DEV_RANDOM="/dev/random"
2063     ;;
2064 esac
2065
2066 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2067
2068 dnl Now check if the device actually exists
2069
2070 if test "x$try_dev_random" = "xyes"; then
2071     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2072     [if test -r "$NAME_DEV_RANDOM" ; then
2073         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2074     if test "x$ac_cv_have_dev_random" = "xyes"; then
2075         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2076     fi
2077 else
2078     AC_MSG_CHECKING(for random device)
2079     ac_cv_have_dev_random=no
2080     AC_MSG_RESULT(has been disabled)
2081 fi
2082
2083 if test "x$host_win32" = "xyes"; then
2084     AC_DEFINE(HAVE_CRYPT_RNG)
2085 fi
2086
2087 if test "x$ac_cv_have_dev_random" = "xno" \
2088     && test "x$host_win32" = "xno"; then
2089     AC_MSG_WARN([[
2090 ***
2091 *** A system-provided entropy source was not found on this system.
2092 *** Because of this, the System.Security.Cryptography random number generator
2093 *** will throw a NotImplemented exception.
2094 ***
2095 *** If you are seeing this message, and you know your system DOES have an
2096 *** entropy collection in place, please contact <crichton@gimp.org> and
2097 *** provide information about the system and how to access the random device.
2098 ***
2099 *** Otherwise you can install either egd or prngd and set the environment
2100 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2101 ***]])
2102 fi
2103
2104 AC_MSG_CHECKING([if inter-process shared handles are requested])
2105 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2106 AC_MSG_RESULT($try_shared_handles)
2107 if test "x$try_shared_handles" != "xyes"; then
2108         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2109         AC_SUBST(DISABLE_SHARED_HANDLES)
2110 fi
2111
2112 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2113
2114 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2115 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2116
2117 AC_MSG_CHECKING([if big-arrays are to be enabled])
2118 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2119 if test "x$enable_big_arrays" = "xyes" ; then
2120     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2121         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2122     else
2123         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2124     fi
2125 fi
2126 AC_MSG_RESULT($enable_big_arrays)
2127
2128 dnl **************
2129 dnl *** DTRACE ***
2130 dnl **************
2131
2132 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2133
2134 if test "x$enable_dtrace" = "xyes"; then
2135    if test "x$has_dtrace" = "xno"; then
2136           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2137    fi
2138    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2139    if test "x$DTRACE" = "xno"; then
2140           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2141           enable_dtrace=no
2142    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2143           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2144           enable_dtrace=no
2145    fi
2146 fi
2147
2148 dtrace_g=no
2149 if test "x$enable_dtrace" = "xyes"; then
2150         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2151         DTRACEFLAGS=
2152         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2153                 case "$host" in
2154                         powerpc-*-darwin*)
2155                         DTRACEFLAGS="-arch ppc64"
2156                         ;;
2157                         i*86-*-darwin*)
2158                         DTRACEFLAGS="-arch x86_64"
2159                         ;;
2160                         *)
2161                         DTRACEFLAGS=-64
2162                         ;;
2163                 esac
2164         else
2165                 case "$host" in
2166                         powerpc-*-darwin*)
2167                         DTRACEFLAGS="-arch ppc"
2168                         ;;
2169                         i*86-*-darwin*)
2170                         DTRACEFLAGS="-arch i386"
2171                         ;;
2172                         *)
2173                         DTRACEFLAGS=-32
2174                         ;;
2175                 esac
2176         fi
2177         AC_SUBST(DTRACEFLAGS)
2178         case "$host" in
2179                 *-*-solaris*)
2180                 dtrace_g=yes
2181                 ;;
2182         esac
2183         AC_CHECK_HEADERS([sys/sdt.h])
2184 fi
2185 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2186 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2187
2188 dnl **************
2189 dnl ***  NaCl  ***
2190 dnl **************
2191
2192 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2193 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2194
2195 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2196 if test "x$enable_nacl_codegen" = "xyes"; then
2197    MONO_NACL_ALIGN_MASK_OFF=1
2198    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2199    AC_DEFINE(TARGET_NACL, 1, [...])
2200 else
2201    MONO_NACL_ALIGN_MASK_OFF=0
2202    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2203 fi
2204 if test "x$enable_nacl_gc" = "xyes"; then
2205    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2206 fi
2207 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2208
2209 dnl **************
2210 dnl ***  LLVM  ***
2211 dnl **************
2212
2213 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2214 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2215
2216 if test "x$enable_llvm" = "xyes"; then
2217    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2218    if test "x$LLVM_CONFIG" = "xno"; then
2219           AC_MSG_ERROR([llvm-config not found.])
2220    fi
2221
2222    llvm_codegen="x86codegen"
2223    case "$target" in
2224    arm*)
2225                 llvm_codegen="armcodegen"
2226                 ;;
2227    esac
2228
2229
2230    # The output of --cflags seems to include optimizations flags too
2231    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2232    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2233    # from LLVM classes.
2234    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2235    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2236    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2237    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2238
2239    # Should be something like '2.6' or '2.7svn'
2240    llvm_version=`$LLVM_CONFIG --version`
2241    major_version=`echo $llvm_version | cut -c 1`
2242    minor_version=`echo $llvm_version | cut -c 3`
2243    AC_MSG_CHECKING(LLVM version)
2244    AC_MSG_RESULT($llvm_version)
2245    if echo $llvm_version | grep -q 'mono'; then
2246           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2247           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2248    else
2249           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.])
2250    fi
2251
2252    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2253    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2254    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2255
2256    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2257    # llvm's config.h
2258    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2259
2260    AC_SUBST(LLVM_CFLAGS)
2261    AC_SUBST(LLVM_CXXFLAGS)
2262    AC_SUBST(LLVM_LIBS)
2263    AC_SUBST(LLVM_LDFLAGS)
2264    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2265 fi
2266
2267 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2268 if test "x$enable_loadedllvm" = "xyes"; then
2269    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2270 fi
2271 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2272
2273 TARGET="unknown"
2274 ACCESS_UNALIGNED="yes"
2275
2276 JIT_SUPPORTED=no
2277 INTERP_SUPPORTED=no
2278 LIBC="libc.so.6"
2279 INTL="libc.so.6"
2280 SQLITE="libsqlite.so.0"
2281 SQLITE3="libsqlite3.so.0"
2282 X11="libX11.so"
2283
2284 sizeof_register="SIZEOF_VOID_P"
2285
2286 jit_wanted=true
2287 interp_wanted=false
2288 sgen_supported=false
2289 case "$host" in
2290 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2291 #               TARGET=MIPS;
2292 #               ACCESS_UNALIGNED="no"
2293 #               ;;
2294         mips*)
2295                 TARGET=MIPS;
2296                 arch_target=mips;
2297                 sgen_supported=true
2298                 ACCESS_UNALIGNED="no"
2299                 JIT_SUPPORTED=yes
2300
2301                 AC_MSG_CHECKING(for mips n32)
2302                 AC_TRY_COMPILE([],[
2303                 #if _MIPS_SIM != _ABIN32
2304                 #error Not mips n32
2305                 #endif
2306                 return 0;
2307                 ],[
2308                 AC_MSG_RESULT(yes)
2309                 sizeof_register=8
2310                 ],[
2311                 AC_MSG_RESULT(no)
2312                 ])
2313                 ;;
2314         i*86-*-*)
2315                 TARGET=X86;
2316                 arch_target=x86;
2317                 JIT_SUPPORTED=yes
2318                 case $host_os in
2319                   solaris*)
2320                         LIBC="libc.so"
2321                         INTL="libintl.so"
2322                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2323                                 TARGET=AMD64
2324                                 arch_target=amd64
2325                         fi
2326
2327                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2328                         # int astruct __attribute__ ((visibility ("hidden")));
2329                         # void foo ()
2330                         # {
2331                         #       void *p = &astruct;
2332                         # }
2333                         # gcc -fPIC --shared -o libfoo.so foo.c
2334                         # yields:
2335                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2336                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2337                         have_visibility_hidden=no
2338                         sgen_supported=true
2339                         ;;
2340                   cygwin*)
2341                         sgen_supported=true
2342                         have_visibility_hidden=no
2343                         ;;
2344                   haiku*)
2345                         LIBC=libroot.so
2346                         ;;
2347                   linux*)
2348                         sgen_supported=true
2349                         AOT_SUPPORTED="yes"
2350                         ;;
2351                   darwin*)
2352                         sgen_supported=true
2353                         AOT_SUPPORTED="yes"
2354                         ;;
2355                   darwin*|openbsd*|freebsd*)
2356                         sgen_supported=true
2357                         ;;
2358                 esac
2359                 ;;
2360         x86_64-*-* | amd64-*-*)
2361                 TARGET=AMD64;
2362                 arch_target=amd64;
2363                 JIT_SUPPORTED=yes
2364                 case $host_os in
2365                   linux*)
2366                         sgen_supported=true
2367                         AOT_SUPPORTED="yes"
2368                         ;;
2369                   darwin*|openbsd*|freebsd*)
2370                         sgen_supported=true
2371                         ;;
2372                 esac
2373                 case "$host" in
2374                         x86_64-*-nacl*)
2375                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2376                                 sizeof_register=8
2377                                 ;;
2378                 esac
2379                 ;;
2380         ia64-*-*)
2381                 TARGET=IA64
2382                 arch_target=ia64
2383                 ACCESS_UNALIGNED="no"
2384                 JIT_SUPPORTED=yes
2385                 LIBC="libc.so.6.1"
2386                 INTL="libc.so.6.1"
2387                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2388                 libmono_ldflags="-lunwind"
2389                 ;;
2390         sparc*-*-*)
2391                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2392                    TARGET=SPARC64
2393                 else
2394                         TARGET=SPARC
2395                 fi
2396                 arch_target=sparc;
2397                 JIT_SUPPORTED=yes
2398                 ACCESS_UNALIGNED="no"
2399                 case $host_os in
2400                   linux*) ;;
2401                   *)
2402                         LIBC="libc.so"
2403                         INTL="libintl.so"
2404                 esac
2405                 if test x"$GCC" = xyes; then
2406                         # We don't support v8 cpus
2407                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2408                 fi
2409                 if test x"$AR" = xfalse; then
2410                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2411                 fi
2412                 sgen_supported=true
2413                 ;;
2414        alpha*-*-linux* | alpha*-*-osf*)
2415                 TARGET=ALPHA;
2416                 ACCESS_UNALIGNED="no"
2417                 JIT_SUPPORTED=yes
2418                 arch_target=alpha;
2419                 CFLAGS="$CFLAGS -mieee -O0"
2420                 case $host_os in
2421                   linux*)
2422                         LIBC="libc.so.6.1"
2423                         INTL="libc.so.6.1"
2424                 esac
2425                ;;
2426         *-mingw*|*-*-cygwin*)
2427                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2428                 have_visibility_hidden=no
2429                 INTL="intl"
2430                 ;;
2431         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2432                 TARGET=HPPA;
2433                 arch_target=hppa;
2434                 LIBC="libc.sl"
2435                 ACCESS_UNALIGNED="no"
2436                 INTERP_SUPPORTED=yes
2437                 interp_wanted=true
2438                 ;;
2439         hppa*linux*)
2440                 TARGET=HPPA;
2441                 arch_target=hppa;
2442                 ACCESS_UNALIGNED="no"
2443                 JIT_SUPPORTED=yes
2444                 ;;
2445         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2446         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2447                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2448                         TARGET=POWERPC64;
2449                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2450                         CFLAGS="$CFLAGS -mminimal-toc"
2451                 else
2452                         TARGET=POWERPC;
2453                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2454                 fi
2455                 arch_target=ppc;
2456                 JIT_SUPPORTED=yes
2457                 case $host_os in
2458                   linux*|darwin*)
2459                         sgen_supported=true
2460                         ;;
2461                 esac
2462                 ;;
2463         arm*-darwin*)
2464                 TARGET=ARM;
2465                 arch_target=arm;
2466                 ACCESS_UNALIGNED="no"
2467                 JIT_SUPPORTED=yes
2468                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2469                 # libgc's gc_locks.h depends on this
2470             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2471                 sgen_supported=true
2472                 ;;
2473         arm*-linux*)
2474                 TARGET=ARM;
2475                 arch_target=arm;
2476                 ACCESS_UNALIGNED="no"
2477                 JIT_SUPPORTED=yes
2478                 sgen_supported=true
2479                 AOT_SUPPORTED="yes"
2480                 ;;
2481         s390-*-linux*)
2482                 TARGET=S390;
2483                 arch_target=s390;
2484                 ACCESS_UNALIGNED="yes"
2485                 JIT_SUPPORTED=yes
2486                 sgen_supported=true
2487                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2488                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2489                 ;;
2490         s390x-*-linux*)
2491                 TARGET=S390x;
2492                 arch_target=s390x;
2493                 ACCESS_UNALIGNED="yes"
2494                 JIT_SUPPORTED=yes
2495                 sgen_supported=true
2496                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2497                 ;;
2498 esac
2499
2500 HOST=$TARGET
2501
2502 if test "x$host" != "x$target"; then
2503    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2504    enable_mcs_build=no
2505    case "$target" in
2506    arm*-darwin*)
2507                 TARGET=ARM;
2508                 arch_target=arm;
2509                 ACCESS_UNALIGNED="no"
2510                 JIT_SUPPORTED=yes
2511                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2512                 jit_wanted=true
2513                 # Can't use tls, since it depends on the runtime detection of tls offsets
2514                 # in mono-compiler.h
2515                 with_tls=pthread
2516                 ;;
2517    powerpc64-ps3-linux-gnu)
2518                 TARGET=POWERPC64
2519                 arch_target=powerpc64
2520                 AC_DEFINE(TARGET_PS3, 1, [...])
2521                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2522                 # uses this define
2523                 AC_DEFINE(__mono_ppc64__, 1, [...])
2524                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2525                 sizeof_register=8
2526                 target_byte_order=G_BIG_ENDIAN
2527                 ;;
2528
2529    powerpc64-xbox360-linux-gnu)
2530                 TARGET=POWERPC64
2531                 arch_target=powerpc64
2532                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2533                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2534                 # uses this define
2535                 sizeof_register=8
2536                 target_byte_order=G_BIG_ENDIAN
2537                 ;;
2538    x86_64-*-nacl)
2539                 TARGET=AMD64
2540                 arch_target=amd64
2541                 AC_DEFINE(TARGET_AMD64, 1, [...])
2542                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2543                 sizeof_register=8
2544                 ;;
2545    *-*-nacl)
2546                 TARGET=X86
2547                 arch_target=x86
2548                 AC_DEFINE(TARGET_X86, 1, [...])
2549                 sizeof_register=4
2550                 ;;
2551    arm*-unknown-linux-*)
2552                 TARGET=ARM;
2553                 arch_target=arm;
2554                 AC_DEFINE(TARGET_ARM, 1, [...])
2555                 ACCESS_UNALIGNED="no"
2556                 JIT_SUPPORTED=yes
2557                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2558                 jit_wanted=true
2559                 # Can't use tls, since it depends on the runtime detection of tls offsets
2560                 # in mono-compiler.h
2561                 with_tls=pthread
2562                 target_mach=no
2563                 case "$target" in
2564                 armv7l-unknown-linux-gnueabi*)
2565                         # TEGRA
2566                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2567                         ;;
2568                 armv5-*-linux-androideabi*)
2569                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2570                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2571                         ;;
2572                 esac
2573                 ;;
2574         *)
2575                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2576         esac
2577 fi
2578
2579 # FIXME: Define the others as well
2580 case "$TARGET" in
2581 X86)
2582         AC_DEFINE(TARGET_X86, 1, [...])
2583         ;;
2584 AMD64)
2585         AC_DEFINE(TARGET_AMD64, 1, [...])
2586         ;;
2587 ARM)
2588         AC_DEFINE(TARGET_ARM, 1, [...])
2589         ;;
2590 POWERPC)
2591         AC_DEFINE(TARGET_POWERPC, 1, [...])
2592         ;;
2593 POWERPC64)
2594         AC_DEFINE(TARGET_POWERPC, 1, [...])
2595         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2596         ;;
2597 S390x)
2598         AC_DEFINE(TARGET_S390X, 1, [...])
2599         ;;
2600 MIPS)
2601         AC_DEFINE(TARGET_MIPS, 1, [...])
2602         ;;
2603 esac
2604
2605 if test "x$target_mach" = "xyes"; then
2606         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2607         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2608         #error fail this for ios
2609         #endif
2610         return 0;
2611         ], [
2612                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2613                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2614                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2615         ], [
2616                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2617                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2618                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2619         ])
2620
2621    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2622 fi
2623
2624 if test "x$sizeof_register" = "x4"; then
2625    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2626 elif test "x$sizeof_register" = "x8"; then
2627    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2628 else
2629    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2630 fi
2631
2632 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2633    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2634 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2635    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2636 else
2637    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2638 fi
2639
2640 if test "x$have_visibility_hidden" = "xyes"; then
2641    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2642 fi
2643
2644 if test "x$have_deprecated" = "xyes"; then
2645    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2646 fi
2647
2648 dnl
2649 dnl Simple Generational checks (sgen)
2650 dnl
2651 if $sgen_supported; then
2652    build_sgen_default=yes
2653 else
2654    build_sgen_default=no
2655 fi
2656 SGEN_DEFINES=
2657 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2658 if test x$buildsgen = xyes; then
2659    if $sgen_supported; then
2660        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2661        gc_msg="sgen and $gc_msg"
2662    else
2663        buildsgen=no
2664        AC_MSG_WARN("Sgen is not supported on this platform")
2665    fi
2666 fi
2667 AC_SUBST(SGEN_DEFINES)
2668 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2669
2670 USEJIT=false
2671 if test x$JIT_SUPPORTED = xyes; then
2672    if $jit_wanted; then
2673       USEJIT=true
2674       jit_status="Building and using the JIT"
2675    else
2676       if $interp_wanted; then
2677          jit_status="Building the JIT, defaulting to the interpreter"
2678       else
2679          AC_ERROR(No JIT or interpreter support available or selected.)
2680       fi
2681    fi
2682 else
2683    if test x$interp_wanted = xtrue; then
2684       jit_status="interpreter"
2685    else
2686       AC_ERROR(No JIT or interpreter support available or selected.)
2687    fi
2688 fi
2689
2690 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2691
2692 libsuffix=".so"
2693
2694 case "$host" in
2695      *-*-darwin*)
2696         libsuffix=".dylib"
2697         LIBC="libc.dylib"
2698         INTL="libintl.dylib"
2699         SQLITE="libsqlite.0.dylib"
2700         SQLITE3="libsqlite3.0.dylib"
2701         X11="libX11.dylib"
2702         ;;
2703      *-*-*netbsd*)
2704         LIBC="libc.so.12"
2705         INTL="libintl.so.0"
2706         ;;
2707     *-*-*freebsd*)
2708         LIBC="libc.so"
2709         INTL="libintl.so"
2710         SQLITE="libsqlite.so"
2711         SQLITE3="libsqlite3.so"
2712         ;;
2713     *-*-*openbsd*)
2714         LIBC="libc.so"
2715         INTL="libintl.so"
2716         SQLITE="libsqlite.so"
2717         SQLITE3="libsqlite3.so"
2718         ;;
2719     *-*-*linux*)
2720         AC_PATH_X
2721         AC_MSG_CHECKING(for the soname of libX11.so)
2722         for i in $x_libraries /usr/lib /usr/lib64; do
2723                 for r in 4 5 6; do
2724                         if test -f $i/libX11.so.$r; then
2725                                 X11=libX11.so.$r
2726                                 AC_MSG_RESULT($X11)
2727                         fi
2728                 done
2729         done
2730
2731         if test "x$X11" = "xlibX11.so"; then
2732                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2733                 X11=libX11.so.6
2734         fi
2735         ;;
2736 esac
2737
2738
2739 AC_SUBST(libsuffix)
2740
2741 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2742         if test "x$with_tls" = "x__thread"; then
2743                 #
2744                 # On some linux distributions, TLS works in executables, but linking
2745                 # against a shared library containing TLS fails with:
2746                 # undefined reference to `__tls_get_addr'
2747                 #
2748                 rm -f conftest.c conftest.so conftest
2749                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2750                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2751                 $CC -o conftest conftest.so > /dev/null 2>&1
2752                 if test ! -f conftest; then
2753                    AC_MSG_WARN([Disabling usage of __thread.]);
2754                    with_tls=pthread
2755                 fi
2756                 rm -f conftest.c conftest.so conftest
2757         fi
2758 fi
2759
2760 mono_debugger_supported=no
2761 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2762 if test "x$try_mono_debugger" = "xyes"; then
2763         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2764                 if test x$use_included_gc = xyes; then
2765                         case "$host" in
2766                         *-*-*linux*)
2767                                 mono_debugger_supported=yes
2768                                 ;;
2769                         *86-apple-darwin*)
2770                                 mono_debugger_supported=yes
2771                                 ;;
2772                         esac
2773                 fi
2774         fi
2775 fi
2776
2777 # disable the debugger entirely when building with moonlight
2778 if test "x$with_moonlight" != "xno"; then
2779         mono_debugger_supported=no
2780 fi
2781
2782 # mdb support for sgen is broken, disable it until further notice.
2783 mono_debugger_supported=no
2784
2785 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2786 if test "x$mono_debugger_supported" = "xyes"; then
2787         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2788         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2789 fi
2790 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2791 AC_MSG_RESULT($mono_debugger_supported)
2792
2793 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2794 if test "x$icall_symbol_map" = "xyes"; then
2795    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2796 fi
2797
2798 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2799 if test "x$icall_export" = "xyes"; then
2800    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2801 fi
2802
2803 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2804 if test "x$icall_tables" = "xno"; then
2805    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2806 fi
2807
2808 if test "x$with_tls" = "x__thread"; then
2809         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2810         # Pass the information to libgc
2811         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2812         AC_MSG_CHECKING(if the tls_model attribute is supported)
2813         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2814                 ], [
2815                         AC_MSG_RESULT(yes)
2816                         # CLANG doesn't support this yet, and it prints warnings about it
2817                         if test "x$mono_cv_clang" = "xno"; then
2818                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2819                         fi
2820                 ], [
2821                         AC_MSG_RESULT(no)
2822         ])
2823 fi
2824
2825 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2826         dnl ******************************************
2827         dnl *** Check to see what FPU is available ***
2828         dnl ******************************************
2829         AC_MSG_CHECKING(which FPU to use)
2830
2831         fpu=NONE
2832         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2833            fpu=VFP_HARD
2834         fi
2835
2836         if test x$fpu = xNONE; then
2837            ORIG_CFLAGS=$CFLAGS
2838            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2839            AC_TRY_RUN([
2840                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2841                                 ], fpu=VFP, fpu=NONE)
2842            CFLAGS=$ORIG_CFLAGS
2843         fi
2844
2845         if test x$fpu = xNONE; then
2846                 AC_TRY_COMPILE([], [
2847                         __asm__ ("ldfd f0, [r0]");
2848                         ], fpu=FPA, fpu=NONE)
2849         fi
2850
2851         AC_MSG_RESULT($fpu)
2852         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2853         unset fpu
2854
2855         AC_MSG_CHECKING(for ARMV6)
2856         AC_TRY_RUN([
2857                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2858                         ], armv6=yes, armv6=no)
2859
2860         AC_MSG_RESULT($armv6)
2861         if test ${armv6} = yes; then
2862            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2863            # libgc's gc_locks.h depends on this
2864            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2865         fi
2866 fi
2867
2868 if test ${TARGET} = unknown; then
2869         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2870         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2871 fi
2872
2873 if test ${ACCESS_UNALIGNED} = no; then
2874         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2875 fi
2876
2877 case "x$gc" in
2878         xincluded)
2879                 # Pass CPPFLAGS to libgc configure
2880                 # We should use a separate variable for this to avoid passing useless and
2881                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2882                 # This should be executed late so we pick up the final version of CPPFLAGS
2883                 # The problem with this approach, is that during a reconfigure, the main
2884                 # configure scripts gets invoked with these arguments, so we use separate
2885                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2886                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2887                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2888                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2889                 fi
2890                 # Don't pass -finstrument-for-thread-suspension in,
2891                 # if these are instrumented it will be very bad news
2892                 # (infinite recursion, undefined parking behavior, etc)
2893                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2894                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2895                 AC_CONFIG_SUBDIRS(libgc)
2896                 ;;
2897 esac
2898
2899 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2900 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2901 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2902 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2903 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2904 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2905
2906 OPROFILE=no
2907 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2908         if test x$with_oprofile != xno; then
2909             oprofile_include=$with_oprofile/include
2910             if test ! -f $oprofile_include/opagent.h; then
2911                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2912                 fi
2913             OPROFILE=yes
2914                 OPROFILE_CFLAGS="-I$oprofile_include"
2915             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2916             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2917         fi
2918 ])
2919
2920 MALLOC_MEMPOOLS=no
2921 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2922         if test x$with_malloc_mempools = xyes; then
2923                 MALLOC_MEMPOOLS=yes
2924                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2925         fi
2926 ])
2927
2928
2929 DISABLE_MCS_DOCS=no
2930 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2931         if test x$with_mcs_docs != xyes; then
2932                 DISABLE_MCS_DOCS=yes
2933         fi
2934 ])
2935 if test x$with_profile4 != xyes; then
2936         DISABLE_MCS_DOCS=yes
2937 fi
2938
2939 MOONLIGHT_DEFINES=
2940 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2941         if test x$with_moonlight != xno; then
2942         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2943         fi
2944 ], [with_moonlight=no])
2945 AC_SUBST(MOONLIGHT_DEFINES)
2946
2947 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2948         if test "x$with_moon_gc" != "xsgen"; then
2949                 with_moon_gc=boehm
2950         fi
2951 ], [with_moon_gc=boehm])
2952
2953 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)],[
2954         if test x$with_lazy_gc_thread_creation != xno ; then
2955                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2956         fi
2957 ], [with_lazy_gc_thread_creation=no])
2958
2959 AC_CHECK_HEADER([malloc.h],
2960                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2961                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2962
2963 if test x"$GCC" = xyes; then
2964         # Implicit function declarations are not 64 bit safe
2965         # Do this late, since this causes lots of configure tests to fail
2966         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2967         # jay has a lot of implicit declarations
2968         JAY_CFLAGS="-Wno-implicit-function-declaration"
2969 fi
2970
2971 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2972 # instead of libmono-static.a
2973 if test "x$enable_shared" = "xno"; then
2974    LIBMONO_LA=libmini-static.la
2975 else
2976    LIBMONO_LA=libmono-$API_VER.la
2977 fi
2978 AC_SUBST(LIBMONO_LA)
2979
2980 dnl
2981 dnl Consistency settings
2982 dnl
2983 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2984    DISABLE_MCS_DOCS=yes
2985    with_profile2=no
2986    with_profile4=no
2987    with_profile4_5=no
2988    with_monodroid=no
2989    with_monotouch=no
2990 fi
2991
2992 if test x$DISABLE_MCS_DOCS = xyes; then
2993    docs_dir=""
2994 else
2995    docs_dir=docs
2996 fi
2997 AC_SUBST(docs_dir)
2998
2999 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3000 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3001
3002 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3003 AC_SUBST(OPROFILE_CFLAGS)
3004 AC_SUBST(OPROFILE_LIBS)
3005
3006 libmono_ldflags="$libmono_ldflags $LIBS"
3007
3008 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3009
3010 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3011 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3012 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3013
3014 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3015 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3016 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3017 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3018 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3019 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3020 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3021
3022 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3023 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3024 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3025 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3026 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3027 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3028 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3029 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3030 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3031 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3032 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3033 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3034 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3035 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3036 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3037 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3038 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3039 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3040 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3041 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3042
3043 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3044 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3045 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3046
3047 AC_SUBST(LIBC)
3048 AC_SUBST(INTL)
3049 AC_SUBST(SQLITE)
3050 AC_SUBST(SQLITE3)
3051 AC_SUBST(X11)
3052 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3053 AC_SUBST(arch_target)
3054 AC_SUBST(CFLAGS)
3055 AC_SUBST(CPPFLAGS)
3056 AC_SUBST(LDFLAGS)
3057
3058 mono_build_root=`pwd`
3059 AC_SUBST(mono_build_root)
3060
3061 if test x$USEJIT = xtrue; then
3062   mono_runtime=mono/mini/mono
3063 else
3064   mono_runtime=mono/interpreter/mint
3065 fi
3066 AC_SUBST(mono_runtime)
3067
3068 mono_cfg_root=$mono_build_root/runtime
3069 if test x$host_win32 = xyes; then
3070   if test "x$cross_compiling" = "xno"; then
3071     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3072   else
3073     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3074   fi
3075 else
3076   mono_cfg_dir=$mono_cfg_root/etc
3077 fi
3078 AC_SUBST(mono_cfg_dir)
3079
3080 AC_CONFIG_FILES([po/mcs/Makefile.in])
3081
3082 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3083 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3084
3085 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3086 [   depth=../../../..
3087     case $srcdir in
3088     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3089     .) reldir=$depth ;;
3090     *) reldir=$depth/$srcdir ;;
3091     esac
3092     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3093     cd runtime/etc/mono/1.0
3094     rm -f machine.config
3095     $LN_S $reldir/data/net_1_1/machine.config machine.config
3096     cd $depth
3097 ],[LN_S='$LN_S'])
3098
3099 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3100 [   depth=../../../..
3101     case $srcdir in
3102     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3103     .) reldir=$depth ;;
3104     *) reldir=$depth/$srcdir ;;
3105     esac
3106     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3107     cd runtime/etc/mono/2.0
3108     rm -f machine.config
3109     $LN_S $reldir/data/net_2_0/machine.config machine.config
3110     cd $depth
3111 ],[LN_S='$LN_S'])
3112
3113 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3114 [   depth=../../../..
3115     case $srcdir in
3116     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3117     .) reldir=$depth ;;
3118     *) reldir=$depth/$srcdir ;;
3119     esac
3120     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3121     cd runtime/etc/mono/2.0
3122     rm -f web.config
3123     $LN_S $reldir/data/net_2_0/web.config web.config
3124     cd $depth
3125 ],[LN_S='$LN_S'])
3126
3127 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3128 [   depth=../../..
3129     case $srcdir in
3130     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3131     .) reldir=$depth ;;
3132     *) reldir=$depth/$srcdir ;;
3133     esac
3134     $ac_aux_dir/install-sh -d runtime/etc/mono/
3135     cd runtime/etc/mono/
3136     rm -f browscap.ini
3137     $LN_S $reldir/data/browscap.ini browscap.ini
3138     cd $depth
3139 ],[LN_S='$LN_S'])
3140
3141 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3142 [   depth=../../../../..
3143     case $srcdir in
3144     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3145     .) reldir=$depth ;;
3146     *) reldir=$depth/$srcdir ;;
3147     esac
3148     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3149     cd runtime/etc/mono/2.0/Browsers
3150     rm -f Compat.browser
3151     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3152     cd $depth
3153 ],[LN_S='$LN_S'])
3154
3155 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3156 [   depth=../../../..
3157     case $srcdir in
3158     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3159     .) reldir=$depth ;;
3160     *) reldir=$depth/$srcdir ;;
3161     esac
3162     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3163     cd runtime/etc/mono/4.0
3164     rm -f machine.config
3165     $LN_S $reldir/data/net_4_0/machine.config machine.config
3166     cd $depth
3167 ],[LN_S='$LN_S'])
3168
3169 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3170 [   depth=../../../..
3171     case $srcdir in
3172     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3173     .) reldir=$depth ;;
3174     *) reldir=$depth/$srcdir ;;
3175     esac
3176     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3177     cd runtime/etc/mono/4.0
3178     rm -f web.config
3179     $LN_S $reldir/data/net_4_0/web.config web.config
3180     cd $depth
3181 ],[LN_S='$LN_S'])
3182
3183 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3184 [   depth=../../../..
3185     case $srcdir in
3186     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3187     .) reldir=$depth ;;
3188     *) reldir=$depth/$srcdir ;;
3189     esac
3190     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3191     cd runtime/etc/mono/4.5
3192     rm -f machine.config
3193     $LN_S $reldir/data/net_4_5/machine.config machine.config
3194     cd $depth
3195 ],[LN_S='$LN_S'])
3196
3197 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3198 [   depth=../../../..
3199     case $srcdir in
3200     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3201     .) reldir=$depth ;;
3202     *) reldir=$depth/$srcdir ;;
3203     esac
3204     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3205     cd runtime/etc/mono/4.5
3206     rm -f web.config
3207     $LN_S $reldir/data/net_4_5/web.config web.config
3208     cd $depth
3209 ],[LN_S='$LN_S'])
3210
3211 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])
3212
3213 AC_OUTPUT([
3214 Makefile
3215 mono-core.spec
3216 mono-uninstalled.pc
3217 scripts/mono-find-provides
3218 scripts/mono-find-requires
3219 mono/Makefile
3220 mono/utils/Makefile
3221 mono/metadata/Makefile
3222 mono/dis/Makefile
3223 mono/cil/Makefile
3224 mono/arch/Makefile
3225 mono/arch/x86/Makefile
3226 mono/arch/amd64/Makefile
3227 mono/arch/hppa/Makefile
3228 mono/arch/ppc/Makefile
3229 mono/arch/sparc/Makefile
3230 mono/arch/s390/Makefile
3231 mono/arch/s390x/Makefile
3232 mono/arch/arm/Makefile
3233 mono/arch/alpha/Makefile
3234 mono/arch/ia64/Makefile
3235 mono/arch/mips/Makefile
3236 mono/interpreter/Makefile
3237 mono/tests/Makefile
3238 mono/tests/tests-config
3239 mono/tests/assemblyresolve/Makefile
3240 mono/tests/cas/Makefile
3241 mono/tests/cas/assembly/Makefile
3242 mono/tests/cas/demand/Makefile
3243 mono/tests/cas/inheritance/Makefile
3244 mono/tests/cas/linkdemand/Makefile
3245 mono/tests/cas/threads/Makefile
3246 mono/benchmark/Makefile
3247 mono/monograph/Makefile
3248 mono/io-layer/Makefile
3249 mono/mini/Makefile
3250 mono/profiler/Makefile
3251 m4/Makefile
3252 ikvm-native/Makefile
3253 scripts/Makefile
3254 man/Makefile
3255 docs/Makefile
3256 data/Makefile
3257 data/net_2_0/Makefile
3258 data/net_4_0/Makefile
3259 data/net_4_5/Makefile
3260 data/net_2_0/Browsers/Makefile
3261 data/mint.pc
3262 data/mono-2.pc
3263 data/monosgen-2.pc
3264 data/mono.pc
3265 data/mono-cairo.pc
3266 data/mono-nunit.pc
3267 data/mono-options.pc
3268 data/mono-lineeditor.pc
3269 data/monodoc.pc
3270 data/mono.web.pc
3271 data/dotnet.pc
3272 data/dotnet35.pc
3273 data/wcf.pc
3274 data/cecil.pc
3275 data/system.web.extensions_1.0.pc
3276 data/system.web.extensions.design_1.0.pc
3277 data/system.web.mvc.pc
3278 data/system.web.mvc2.pc
3279 data/system.web.mvc3.pc
3280 data/aspnetwebstack.pc
3281 samples/Makefile
3282 support/Makefile
3283 data/config
3284 tools/Makefile
3285 tools/locale-builder/Makefile
3286 tools/sgen/Makefile
3287 runtime/Makefile
3288 msvc/Makefile
3289 po/Makefile
3290 ])
3291
3292 # Update all submodules recursively to ensure everything is checked out
3293 $srcdir/scripts/update_submodules
3294
3295 if test x$host_win32 = xyes; then
3296    # Get rid of 'cyg' prefixes in library names
3297    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3298    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3299    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3300    # executable doesn't work...
3301    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3302 fi
3303
3304 (
3305   case $prefix in
3306   NONE) prefix=$ac_default_prefix ;;
3307   esac
3308   case $exec_prefix in
3309   NONE) exec_prefix='${prefix}' ;;
3310   esac
3311
3312   #
3313   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3314   # any existing config.make.  This allows people to share the same source tree
3315   # with different build directories, one native and one cross
3316   #
3317   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3318
3319     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3320
3321     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3322     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3323     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3324     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3325     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3326     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3327     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3328     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3329
3330     case $INSTALL in
3331     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3332     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3333     esac
3334
3335     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3336
3337     export VERSION
3338     [myver=$($AWK 'BEGIN {
3339       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3340       if(length(vsplit [1]) > 4) {
3341         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3342       }
3343       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3344     }')]
3345
3346     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3347
3348     if test x$platform_darwin = xyes; then
3349       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3350     fi
3351
3352         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3353            enable_system_aot=yes
3354         fi
3355
3356         if test "x$enable_loadedllvm" = "xyes"; then
3357            # This seems to fail on the x86 buildbots
3358            enable_system_aot=no
3359         fi
3360
3361     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3362       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3363     fi
3364
3365     if test x$DISABLE_MCS_DOCS = xyes; then
3366       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3367     fi
3368
3369     if test x$with_moonlight != xno; then
3370       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3371     fi
3372
3373         default_profile=net_2_0
3374     if test -z "$INSTALL_4_0_TRUE"; then :
3375                 default_profile=net_4_0
3376     fi
3377     if test -z "$INSTALL_MONODROID_TRUE"; then :
3378                 default_profile=monodroid
3379     fi
3380     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3381                 default_profile=monotouch
3382     fi
3383     if test -z "$INSTALL_4_5_TRUE"; then :
3384                 default_profile=net_4_5
3385     fi
3386
3387     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3388
3389     if test "x$test_bcl_opt" = "xyes"; then
3390       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3391     fi
3392
3393   fi
3394
3395   # if we have an olive folder, override the default settings
3396   if test -d $olivedir; then
3397
3398     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3399
3400       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3401
3402       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3403       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3404       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3405       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3406       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3407       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3408     fi
3409   fi
3410
3411 )
3412
3413 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3414
3415 echo "
3416         mcs source:    $mcsdir
3417
3418    Engine:
3419         GC:            $gc_msg
3420         TLS:           $with_tls
3421         SIGALTSTACK:   $with_sigaltstack
3422         Engine:        $jit_status
3423         oprofile:      $OPROFILE
3424         BigArrays:     $enable_big_arrays
3425         DTrace:        $enable_dtrace
3426         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3427
3428    Libraries:
3429         .NET 2.0/3.5:  $with_profile2
3430         .NET 4.0:      $with_profile4
3431         .NET 4.5:      $with_profile4_5
3432         MonoDroid:     $with_monodroid
3433         MonoTouch:     $with_monotouch
3434         JNI support:   $jdk_headers_found
3435         libgdiplus:    $libgdiplus_msg
3436         zlib:          $zlib_msg
3437         $disabled
3438 "
3439 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3440    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3441 fi