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                 need_link_unlink=yes
 300                 AC_DEFINE(PTHREAD_POINTER_ID)
 301                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 302                 no_version_script=yes
 303                 libdl=
 304                 libgc_threads=pthreads
 305                 has_dtrace=yes
 306                 if test "x$cross_compiling" = "xyes"; then
 307                         has_broken_apple_cpp=yes
 308                 fi
 309                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 310                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 311                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 312                 case "$host" in
 313                         dnl Snow Leopard and newer config.guess reports as this
 314                         i*86-*-darwin*)
 315                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 316                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 324                                 ;;
 325                         arm*-darwin*)
 326                                 has_dtrace=no
 327
 328                                 # Disable the clang check if we're cross compiling
 329                                 mono_cv_clang=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 host_win32=no
 335                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 336                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 337                 libdl=
 338                 LIBS="$LIBS -lnetwork"
 339                 need_link_unlink=yes
 340                 AC_DEFINE(PTHREAD_POINTER_ID)
 341                 libgc_threads=pthreads
 342                 use_sigposix=yes
 343                 ;;
 344         *)
 345                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 346                 host_win32=no
 347                 libdl="-ldl"
 348                 ;;
 349 esac
 350 AC_MSG_RESULT(ok)
 351
 352 if test x$need_link_unlink = xyes; then
 353    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 354 fi
 355
 356 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 357 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 358 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 359 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 360 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 361 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 362
 363 AC_CHECK_TOOL(CC, gcc, gcc)
 364 AC_PROG_CC
 365 AC_CHECK_TOOL(CXX, g++, g++)
 366 AC_PROG_CXX
 367 AM_PROG_AS
 368 AM_PROG_CC_STDC
 369 AC_PROG_INSTALL
 370 AC_PROG_AWK
 371 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 372 : ${CCAS='$(CC)'}
 373 # Set ASFLAGS if not already set.
 374 : ${CCASFLAGS='$(CFLAGS)'}
 375 AC_SUBST(CCAS)
 376 AC_SUBST(CCASFLAGS)
 377
 378 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 379 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 380 if test "x$CXX" = "xg++"; then
 381         if test "x$GXX" != "xyes"; then
 382                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 383                 # are inside automake conditionals
 384                 AC_MSG_ERROR([You need to install g++])
 385         fi
 386 fi
 387
 388 dnl may require a specific autoconf version
 389 dnl AC_PROG_CC_FOR_BUILD
 390 dnl CC_FOR_BUILD not automatically detected
 391 CC_FOR_BUILD=$CC
 392 CFLAGS_FOR_BUILD=$CFLAGS
 393 BUILD_EXEEXT=
 394 if test "x$cross_compiling" = "xyes"; then
 395         CC_FOR_BUILD=cc
 396         CFLAGS_FOR_BUILD=
 397         BUILD_EXEEXT=""
 398 fi
 399 AC_SUBST(CC_FOR_BUILD)
 400 AC_SUBST(CFLAGS_FOR_BUILD)
 401 AC_SUBST(HOST_CC)
 402 AC_SUBST(BUILD_EXEEXT)
 403
 404 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 405 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 406
 407 # Set STDC_HEADERS
 408 AC_HEADER_STDC
 409 AC_LIBTOOL_WIN32_DLL
 410 # This causes monodis to not link correctly
 411 #AC_DISABLE_FAST_INSTALL
 412 AM_PROG_LIBTOOL
 413 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 414 DOLT
 415
 416 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 417 AC_SUBST(export_ldflags)
 418
 419 # Test whenever ld supports -version-script
 420 AC_PROG_LD
 421 AC_PROG_LD_GNU
 422 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 423    no_version_script=yes
 424 fi
 425
 426 AM_ICONV()
 427
 428 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 429
 430 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)
 431 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)
 432 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 433                   [], [], [#include <stddef.h>
 434                   #include <sys/socket.h>
 435                   #include <linux/socket.h>])
 436
 437 AC_CHECK_HEADERS(sys/user.h, [], [],
 438 [
 439 #ifdef HAVE_SYS_PARAM_H
 440 # include <sys/param.h>
 441 #endif
 442 ])
 443
 444 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 445 if test x$have_zlib = xyes; then
 446    AC_TRY_COMPILE([#include <zlib.h>], [
 447    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 448    return 0;
 449    #else
 450    #error No good zlib found
 451    #endif
 452    ],[
 453         AC_MSG_RESULT(Using system zlib)
 454         zlib_msg="system zlib"
 455         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 456    ],[
 457         AC_MSG_RESULT(Using embedded zlib)
 458         have_zlib=no
 459         zlib_msg="bundled zlib"
 460    ])
 461 fi
 462
 463 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 464 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 465
 466 # for mono/metadata/debug-symfile.c
 467 AC_CHECK_HEADERS(elf.h)
 468
 469 # for support
 470 AC_CHECK_HEADERS(poll.h)
 471 AC_CHECK_HEADERS(sys/poll.h)
 472 AC_CHECK_HEADERS(sys/wait.h)
 473 AC_CHECK_HEADERS(grp.h)
 474 AC_CHECK_HEADERS(syslog.h)
 475
 476 # for mono/dis
 477 AC_CHECK_HEADERS(wchar.h)
 478 AC_CHECK_HEADERS(ieeefp.h)
 479 AC_MSG_CHECKING(for isinf)
 480 AC_TRY_LINK([#include <math.h>], [
 481         int f = isinf (1);
 482 ], [
 483         AC_MSG_RESULT(yes)
 484         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 485 ], [
 486         # We'll have to use signals
 487         AC_MSG_RESULT(no)
 488 ])
 489
 490 # for Linux statfs support
 491 AC_CHECK_HEADERS(linux/magic.h)
 492
 493 # not 64 bit clean in cross-compile
 494 AC_CHECK_SIZEOF(void *, 4)
 495
 496 WARN=''
 497 if test x"$GCC" = xyes; then
 498         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 499                 # The runtime code does not respect ANSI C strict aliasing rules
 500                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 501
 502                 ORIG_CFLAGS=$CFLAGS
 503                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 504                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 505                 AC_TRY_COMPILE([],[
 506                                 return 0;
 507                 ], [
 508                    AC_MSG_RESULT(yes)
 509                 ], [
 510                    AC_MSG_RESULT(no)
 511                    CFLAGS=$ORIG_CFLAGS
 512                 ])
 513
 514                 ORIG_CFLAGS=$CFLAGS
 515                 # Check for the normal version, since gcc ignores unknown -Wno options
 516                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 517                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 518                 AC_TRY_COMPILE([],[
 519                                 return 0;
 520                 ], [
 521                    AC_MSG_RESULT(yes)
 522                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 523                 ], [
 524                    AC_MSG_RESULT(no)
 525                    CFLAGS=$ORIG_CFLAGS
 526                 ])
 527 else
 528         # The Sun Forte compiler complains about inline functions that access static variables
 529         # so disable all inlining.
 530         case "$host" in
 531         *-*-solaris*)
 532                 CFLAGS="$CFLAGS -Dinline="
 533                 ;;
 534         esac
 535 fi
 536 CFLAGS="$CFLAGS -g $WARN"
 537 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 538
 539 AC_CACHE_CHECK([for clang],
 540         mono_cv_clang,[
 541         AC_TRY_RUN([
 542                 int main () {
 543                         #ifdef __clang__
 544                                 return 0;
 545                         #else
 546                                 return 1;
 547                         #endif
 548                 }
 549         ],
 550         [mono_cv_clang=yes],
 551         [mono_cv_clang=no],
 552         [])
 553 ])
 554
 555 # Where's the 'mcs' source tree?
 556 if test -d $srcdir/mcs; then
 557   mcsdir=mcs
 558 else
 559   mcsdir=../mcs
 560 fi
 561
 562 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 563         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 564                 mcsdir=$with_mcs_path
 565         fi
 566 )
 567
 568 #
 569 # A sanity check to catch cases where the package was unpacked
 570 # with an ancient tar program (Solaris)
 571 #
 572 AC_ARG_ENABLE(solaris-tar-check,
 573 [  --disable-solaris-tar-check    disable solaris tar check],
 574    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 575
 576 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 577         AC_MSG_CHECKING(integrity of package)
 578         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 579         then
 580                 AC_MSG_RESULT(ok)
 581         else
 582                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 583                 AC_MSG_ERROR([$errorm])
 584         fi
 585 fi
 586
 587 if test "x$with_mcs_path" != "x"; then
 588 mcs_topdir=$(cd "$mcsdir" && pwd)
 589 mcs_topdir_from_srcdir=$mcs_topdir
 590 else
 591 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 592 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 593 fi
 594
 595 # Convert mcs_topdir* paths to Windows syntax.
 596 if test x$cross_compiling$host_win32 = xnoyes; then
 597   mcs_topdir=$(cygpath -m $mcs_topdir)
 598   case $mcs_topdir_from_srcdir in
 599     /cygdrive/*)
 600         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 601         ;;
 602   esac
 603 fi
 604
 605 AC_SUBST([mcs_topdir])
 606 AC_SUBST([mcs_topdir_from_srcdir])
 607
 608 # Where's the 'olive' source tree?
 609 if test -d $srcdir/olive; then
 610   olivedir=olive
 611 else
 612   olivedir=../olive
 613 fi
 614
 615 if test -d $srcdir/$olivedir; then
 616 olive_topdir='$(top_srcdir)/'$olivedir
 617 fi
 618
 619 # gettext: prepare the translation directories.
 620 # we do not configure the full gettext, as we consume it dynamically from C#
 621 AM_PO_SUBDIRS
 622
 623 if test "x$USE_NLS" = "xyes"; then
 624    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 625
 626    if test "x$HAVE_MSGFMT" = "xno"; then
 627           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 628    fi
 629 fi
 630
 631 AC_ARG_WITH([libgdiplus],
 632         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 633         [], [with_libgdiplus=installed])
 634
 635 case $with_libgdiplus in
 636 no|installed) libgdiplus_loc= ;;
 637 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 638 /*) libgdiplus_loc=$with_libgdiplus ;;
 639 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 640 esac
 641 AC_SUBST([libgdiplus_loc])
 642
 643 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 644
 645 pkg_config_path=
 646 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 647         if test x$with_crosspkgdir = "x"; then
 648                 if test -s $PKG_CONFIG_PATH; then
 649                         pkg_config_path=$PKG_CONFIG_PATH
 650                 fi
 651         else
 652                 pkg_config_path=$with_crosspkgdir
 653                 PKG_CONFIG_PATH=$pkg_config_path
 654                 export PKG_CONFIG_PATH
 655         fi
 656 )
 657
 658 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 659 AC_CONFIG_SUBDIRS(eglib)
 660
 661 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 662 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 663 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 664 BUILD_GLIB_LIBS="$GLIB_LIBS"
 665 GMODULE_CFLAGS="$GLIB_CFLAGS"
 666 GMODULE_LIBS="$GLIB_LIBS"
 667
 668 AC_SUBST(GLIB_CFLAGS)
 669 AC_SUBST(GLIB_LIBS)
 670 AC_SUBST(GMODULE_CFLAGS)
 671 AC_SUBST(GMODULE_LIBS)
 672 AC_SUBST(BUILD_GLIB_CFLAGS)
 673 AC_SUBST(BUILD_GLIB_LIBS)
 674
 675 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 676
 677 # Enable support for fast thread-local storage
 678 # Some systems have broken support, so we allow to disable it.
 679 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 680
 681 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 682 # This does not work on some platforms (bug #55253)
 683 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 684
 685 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 686 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 687 # Same as --with-shared_mono=no
 688 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 689
 690 if test "x$enable_static" = "xno"; then
 691    with_static_mono=no
 692 fi
 693
 694 if test "x$enable_shared" = "xno"; then
 695    with_shared_mono=no
 696 fi
 697
 698 if test "x$enable_libraries" = "xno"; then
 699    with_shared_mono=no
 700 fi
 701
 702 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 703
 704 case $host in
 705 *nacl* ) with_shared_mono=yes;;
 706 esac
 707
 708 if test "x$host_win32" = "xyes"; then
 709    # Boehm GC requires the runtime to be in its own dll
 710    with_static_mono=no
 711 fi
 712
 713 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 714 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 715 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 716
 717 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 718 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 719         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 720         ORIG_CFLAGS=$CFLAGS
 721         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 722         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 723         AC_TRY_COMPILE([], [
 724                 return 0;
 725         ], [
 726            AC_MSG_RESULT(yes)
 727            # Pass it to libgc as well
 728            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 729         ], [
 730            AC_MSG_RESULT(no)
 731            CFLAGS=$ORIG_CFLAGS
 732         ])
 733 fi
 734
 735 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 736
 737 if test x$enable_small_config = xyes; then
 738         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 739         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 740 fi
 741
 742 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=$enableval, enable_system_aot=default)
 743
 744 DISABLED_FEATURES=none
 745
 746 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 747      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 748      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 749          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 750 [
 751         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 752                 eval "mono_feature_disable_$feature='yes'"
 753         done
 754         DISABLED_FEATURES=$enable_minimal
 755         disabled="Disabled:      $enable_minimal"
 756 ],[])
 757
 758 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 759
 760 if test "x$mono_feature_disable_aot" = "xyes"; then
 761         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 762         AC_MSG_NOTICE([Disabled AOT compiler])
 763 fi
 764
 765 if test "x$mono_feature_disable_profiler" = "xyes"; then
 766         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 767         AC_MSG_NOTICE([Disabled support for the profiler])
 768 fi
 769 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 770
 771 if test "x$mono_feature_disable_decimal" = "xyes"; then
 772         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 773         AC_MSG_NOTICE([Disabled support for decimal])
 774 fi
 775
 776 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 777         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 778         AC_MSG_NOTICE([Disabled support for P/Invoke])
 779 fi
 780
 781 if test "x$mono_feature_disable_debug" = "xyes"; then
 782         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 783         AC_MSG_NOTICE([Disabled support for runtime debugging])
 784 fi
 785
 786 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 787         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 788         mono_feature_disable_reflection_emit_save=yes
 789         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 790 fi
 791
 792 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 793         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 794         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 795 fi
 796
 797 if test "x$mono_feature_disable_large_code" = "xyes"; then
 798         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 799         AC_MSG_NOTICE([Disabled support for large assemblies])
 800 fi
 801
 802 if test "x$mono_feature_disable_logging" = "xyes"; then
 803         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 804         AC_MSG_NOTICE([Disabled support for logging])
 805 fi
 806
 807 if test "x$mono_feature_disable_com" = "xyes"; then
 808         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 809         AC_MSG_NOTICE([Disabled COM support])
 810 fi
 811
 812 if test "x$mono_feature_disable_ssa" = "xyes"; then
 813         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 814         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 815 fi
 816
 817 if test "x$mono_feature_disable_generics" = "xyes"; then
 818         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 819         AC_MSG_NOTICE([Disabled Generics Support])
 820 fi
 821
 822 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 823         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 824         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 825 fi
 826
 827 if test "x$mono_feature_disable_portability" = "xyes"; then
 828         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 829         AC_MSG_NOTICE([Disabled IO Portability layer])
 830 fi
 831
 832 if test "x$mono_feature_disable_attach" = "xyes"; then
 833         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 834         AC_MSG_NOTICE([Disabled agent attach])
 835 fi
 836
 837 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 838         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 839         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 840 fi
 841
 842 if test "x$mono_feature_disable_verifier" = "xyes"; then
 843         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 844         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 845 fi
 846
 847 if test "x$mono_feature_disable_jit" = "xyes"; then
 848         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 849         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 850 fi
 851
 852 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 853
 854 if test "x$mono_feature_disable_simd" = "xyes"; then
 855         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 856         AC_MSG_NOTICE([Disabled SIMD support])
 857 fi
 858
 859 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 860         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 861         AC_MSG_NOTICE([Disabled Soft Debugger.])
 862 fi
 863
 864 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 865         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 866         AC_MSG_NOTICE([Disabled Performance Counters.])
 867 fi
 868 if test "x$mono_feature_disable_normalization" = "xyes"; then
 869         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 870         AC_MSG_NOTICE([Disabled String normalization support.])
 871 fi
 872
 873 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 874         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 875         AC_MSG_NOTICE([Disabled Assembly remapping.])
 876 fi
 877
 878 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 879         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 880         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 881 fi
 882
 883 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 884         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 885         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 886 fi
 887
 888 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 890         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 891 fi
 892
 893 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 894         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 895         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 896 fi
 897
 898 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 899         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 900         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 901 fi
 902
 903 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 904         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 905         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 906 fi
 907
 908 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 909 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 910
 911 AC_MSG_CHECKING(for visibility __attribute__)
 912 AC_COMPILE_IFELSE([
 913         AC_LANG_SOURCE([[
 914                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 915                 int main () { doit (); return 0; }
 916         ]])
 917 ], [
 918    have_visibility_hidden=yes
 919    AC_MSG_RESULT(yes)
 920 ], [
 921    have_visibility_hidden=no
 922    AC_MSG_RESULT(no)
 923 ])
 924
 925 AC_MSG_CHECKING(for deprecated __attribute__)
 926 AC_TRY_COMPILE([
 927      int doit (void) __attribute__ ((deprecated));
 928      int doit (void) { return 0; }
 929 ], [
 930         return 0;
 931 ], [
 932    have_deprecated=yes
 933    AC_MSG_RESULT(yes)
 934 ], [
 935    have_deprecated=no
 936    AC_MSG_RESULT(no)
 937 ])
 938
 939 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 940 if test x$enable_parallel_mark = xyes; then
 941         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 942 fi
 943
 944 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 945 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 946
 947 dnl
 948 dnl Boehm GC configuration
 949 dnl
 950 LIBGC_CPPFLAGS=
 951 LIBGC_LIBS=
 952 LIBGC_STATIC_LIBS=
 953 libgc_dir=
 954 case "x$gc" in
 955         xboehm|xbohem|xyes)
 956                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 957                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 958
 959                 if test "x$found_boehm" != "xyes"; then
 960                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 961                 fi
 962                 if test "x$gc_headers" != "xyes"; then
 963                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 964                 fi
 965
 966                 LIBGC_LIBS="-lgc $libdl"
 967                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 968                 libmono_ldflags="$libmono_ldflags -lgc"
 969                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 970
 971                 # AC_CHECK_FUNCS does not work for some reason...
 972                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 973                 if test "x$found_gcj_malloc" = "xyes"; then
 974                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 975                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 976                         gc_msg="System Boehm with typed GC"
 977                 else
 978                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 979                         gc_msg="System Boehm (without typed GC)"
 980                 fi
 981                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 982                 if test "x$found_gc_enable" = "xyes"; then
 983                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 984                 fi
 985
 986                 # check whether we need to explicitly allow
 987                 # thread registering
 988                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 989                 if test "x$found_allow_register_threads" = "xyes"; then
 990                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 991                 fi
 992
 993                 ;;
 994
 995         xincluded)
 996                 use_included_gc=yes
 997                 libgc_dir=libgc
 998
 999                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1000                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1001                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1002
1003                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1004
1005                 gc_msg="bundled Boehm GC with typed GC"
1006                 if test x$enable_parallel_mark = xyes; then
1007                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1008                         gc_msg="$gc_msg and parallel mark"
1009                 else
1010                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1011                 fi
1012                 ;;
1013
1014         xsgen)
1015                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1016                 ;;
1017
1018         xnone)
1019                 AC_MSG_WARN("Compiling mono without GC.")
1020                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1021                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1022                 ;;
1023         *)
1024                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1025                 ;;
1026 esac
1027
1028 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1029 if test "x$large_heap" = "xyes"; then
1030    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1031 fi
1032
1033 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1034 AC_SUBST(LIBGC_CPPFLAGS)
1035 AC_SUBST(LIBGC_LIBS)
1036 AC_SUBST(LIBGC_STATIC_LIBS)
1037 AC_SUBST(libgc_dir)
1038 AC_SUBST(BOEHM_DEFINES)
1039
1040 dnl
1041 dnl End of libgc checks
1042 dnl
1043
1044 dnl *************************************
1045 dnl *** Checks for zero length arrays ***
1046 dnl *************************************
1047 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1048 AC_TRY_COMPILE([
1049         struct s {
1050                 int  length;
1051                 char data [0];
1052         };
1053 ], [], [
1054         AC_MSG_RESULT(yes)
1055         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1056 ], [
1057         AC_MSG_RESULT(no)
1058         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1059 ])
1060
1061 if test x$target_win32 = xno; then
1062
1063         dnl hires monotonic clock support
1064         AC_SEARCH_LIBS(clock_gettime, rt)
1065
1066         dnl dynamic loader support
1067         AC_CHECK_FUNC(dlopen, DL_LIB="",
1068                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1069         )
1070         if test x$dl_support = xno; then
1071                 AC_MSG_WARN([No dynamic loading support available])
1072         else
1073                 LIBS="$LIBS $DL_LIB"
1074                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1075                 dnl from glib's configure.in
1076                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1077                         mono_cv_uscore,[
1078                         AC_TRY_RUN([#include <dlfcn.h>
1079                         int mono_underscore_test (void) { return 42; }
1080                         int main() {
1081                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1082                           handle = dlopen ((void*)0, 0);
1083                           if (handle) {
1084                             f1 = dlsym (handle, "mono_underscore_test");
1085                             f2 = dlsym (handle, "_mono_underscore_test");
1086                           } return (!f2 || f1);
1087                         }],
1088                                 [mono_cv_uscore=yes],
1089                                 [mono_cv_uscore=no],
1090                         [])
1091                 ])
1092                 if test "x$mono_cv_uscore" = "xyes"; then
1093                         MONO_DL_NEED_USCORE=1
1094                 else
1095                         MONO_DL_NEED_USCORE=0
1096                 fi
1097                 AC_SUBST(MONO_DL_NEED_USCORE)
1098                 AC_CHECK_FUNC(dlerror)
1099         fi
1100
1101         dnl ******************************************************************
1102         dnl *** Checks for the IKVM JNI interface library                  ***
1103         dnl ******************************************************************
1104         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])
1105
1106         ikvm_native_dir=
1107         if test x$with_ikvm_native = xyes; then
1108                 ikvm_native_dir=ikvm-native
1109                 jdk_headers_found="IKVM Native"
1110         fi
1111
1112         AC_SUBST(ikvm_native_dir)
1113
1114         AC_CHECK_HEADERS(execinfo.h)
1115
1116         AC_CHECK_FUNCS(getgrgid_r)
1117         AC_CHECK_FUNCS(getgrnam_r)
1118         AC_CHECK_FUNCS(getpwnam_r)
1119         AC_CHECK_FUNCS(getpwuid_r)
1120         AC_CHECK_FUNCS(getresuid)
1121         AC_CHECK_FUNCS(setresuid)
1122         AC_CHECK_FUNCS(kqueue)
1123         AC_CHECK_FUNCS(backtrace_symbols)
1124         AC_CHECK_FUNCS(mkstemp)
1125         AC_CHECK_FUNCS(mmap)
1126         AC_CHECK_FUNCS(madvise)
1127         AC_CHECK_FUNCS(getrusage)
1128         AC_CHECK_FUNCS(getpriority)
1129         AC_CHECK_FUNCS(setpriority)
1130         AC_CHECK_FUNCS(dl_iterate_phdr)
1131         AC_CHECK_FUNCS(dladdr)
1132         AC_CHECK_FUNCS(sysconf)
1133
1134         AC_CHECK_FUNCS(sched_setaffinity)
1135         AC_CHECK_FUNCS(sched_getcpu)
1136
1137         dnl ****************************************************************
1138         dnl *** Check for sched_setaffinity from glibc versions before   ***
1139         dnl *** 2.3.4. The older versions of the function only take 2    ***
1140         dnl *** parameters, not 3.                                       ***
1141         dnl ***                                                          ***
1142         dnl *** Because the interface change was not made in a minor     ***
1143         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1144         dnl *** won't always indicate the interface sched_affinity has.  ***
1145         dnl ****************************************************************
1146         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1147         AC_TRY_COMPILE([#include <sched.h>], [
1148             int mask = 1;
1149             sched_setaffinity(0, &mask);
1150                         return 0;
1151         ], [
1152                 # Yes, we have it...
1153                 AC_MSG_RESULT(yes)
1154                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1155         ], [
1156                 # We have the new, three-parameter version
1157                 AC_MSG_RESULT(no)
1158         ])
1159
1160
1161         dnl ******************************************************************
1162         dnl *** Check for large file support                               ***
1163         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1164         dnl ******************************************************************
1165
1166         # Check that off_t can represent 2**63 - 1 correctly, working around
1167         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1168         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1169         large_offt=no
1170         AC_DEFUN([LARGE_FILES], [
1171                 large_CPPFLAGS=$CPPFLAGS
1172                 CPPFLAGS="$CPPFLAGS $1"
1173                 AC_TRY_COMPILE([
1174                         #include <sys/types.h>
1175                         #include <limits.h>
1176                 ], [
1177                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1178                         #define COMPILE_TIME_ASSERT(pred) \
1179                                 switch(0){case 0:case pred:;}
1180                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1181                 ], [
1182                         AC_MSG_RESULT(ok)
1183                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1184                         large_CPPFLAGS="$large_CPPFLAGS $1"
1185                         large_offt=yes
1186                 ], [
1187                         AC_MSG_RESULT(no)
1188                 ])
1189                 CPPFLAGS=$large_CPPFLAGS
1190         ])
1191
1192         AC_MSG_CHECKING(if off_t is 64 bits wide)
1193         LARGE_FILES("")
1194         if test $large_offt = no; then
1195                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1196                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1197         fi
1198         if test $large_offt = no; then
1199                 AC_MSG_WARN([No 64 bit file size support available])
1200         fi
1201
1202         dnl *****************************
1203         dnl *** Checks for libsocket  ***
1204         dnl *****************************
1205         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1206
1207         dnl *******************************
1208         dnl *** Checks for MSG_NOSIGNAL ***
1209         dnl *******************************
1210         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1211         AC_TRY_COMPILE([#include <sys/socket.h>], [
1212                 int f = MSG_NOSIGNAL;
1213         ], [
1214                 # Yes, we have it...
1215                 AC_MSG_RESULT(yes)
1216                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1217         ], [
1218                 # We'll have to use signals
1219                 AC_MSG_RESULT(no)
1220         ])
1221
1222         dnl *****************************
1223         dnl *** Checks for SOL_IP     ***
1224         dnl *****************************
1225         AC_MSG_CHECKING(for SOL_IP)
1226         AC_TRY_COMPILE([#include <netdb.h>], [
1227                 int level = SOL_IP;
1228         ], [
1229                 # Yes, we have it...
1230                 AC_MSG_RESULT(yes)
1231                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1232         ], [
1233                 # We'll have to use getprotobyname
1234                 AC_MSG_RESULT(no)
1235         ])
1236
1237         dnl *****************************
1238         dnl *** Checks for SOL_IPV6     ***
1239         dnl *****************************
1240         AC_MSG_CHECKING(for SOL_IPV6)
1241         AC_TRY_COMPILE([#include <netdb.h>], [
1242                 int level = SOL_IPV6;
1243         ], [
1244                 # Yes, we have it...
1245                 AC_MSG_RESULT(yes)
1246                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1247         ], [
1248                 # We'll have to use getprotobyname
1249                 AC_MSG_RESULT(no)
1250         ])
1251
1252         dnl *****************************
1253         dnl *** Checks for SOL_TCP    ***
1254         dnl *****************************
1255         AC_MSG_CHECKING(for SOL_TCP)
1256         AC_TRY_COMPILE([#include <netdb.h>], [
1257                 int level = SOL_TCP;
1258         ], [
1259                 # Yes, we have it...
1260                 AC_MSG_RESULT(yes)
1261                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1262         ], [
1263                 # We'll have to use getprotobyname
1264                 AC_MSG_RESULT(no)
1265         ])
1266
1267         dnl *****************************
1268         dnl *** Checks for IP_PKTINFO ***
1269         dnl *****************************
1270         AC_MSG_CHECKING(for IP_PKTINFO)
1271         AC_TRY_COMPILE([#include <netdb.h>], [
1272                 int level = IP_PKTINFO;
1273         ], [
1274                 # Yes, we have it...
1275                 AC_MSG_RESULT(yes)
1276                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1277         ], [
1278                 AC_MSG_RESULT(no)
1279         ])
1280
1281         dnl *****************************
1282         dnl *** Checks for IPV6_PKTINFO ***
1283         dnl *****************************
1284         AC_MSG_CHECKING(for IPV6_PKTINFO)
1285         AC_TRY_COMPILE([#include <netdb.h>], [
1286                 int level = IPV6_PKTINFO;
1287         ], [
1288                 # Yes, we have it...
1289                 AC_MSG_RESULT(yes)
1290                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1291         ], [
1292                 AC_MSG_RESULT(no)
1293         ])
1294
1295         dnl **********************************
1296         dnl *** Checks for IP_DONTFRAGMENT ***
1297         dnl **********************************
1298         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1299         AC_TRY_COMPILE([#include <netdb.h>], [
1300                 int level = IP_DONTFRAGMENT;
1301         ], [
1302                 # Yes, we have it...
1303                 AC_MSG_RESULT(yes)
1304                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1305         ], [
1306                 AC_MSG_RESULT(no)
1307         ])
1308
1309         dnl **********************************
1310         dnl *** Checks for IP_MTU_DISCOVER ***
1311         dnl **********************************
1312         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1313         AC_TRY_COMPILE([#include <netdb.h>], [
1314                 int level = IP_MTU_DISCOVER;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1319         ], [
1320                 AC_MSG_RESULT(no)
1321         ])
1322
1323         dnl *********************************
1324         dnl *** Check for struct ip_mreqn ***
1325         dnl *********************************
1326         AC_MSG_CHECKING(for struct ip_mreqn)
1327         AC_TRY_COMPILE([#include <netinet/in.h>], [
1328                 struct ip_mreqn mreq;
1329                 mreq.imr_address.s_addr = 0;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1334         ], [
1335                 # We'll just have to try and use struct ip_mreq
1336                 AC_MSG_RESULT(no)
1337                 AC_MSG_CHECKING(for struct ip_mreq)
1338                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1339                         struct ip_mreq mreq;
1340                         mreq.imr_interface.s_addr = 0;
1341                 ], [
1342                         # Yes, we have it...
1343                         AC_MSG_RESULT(yes)
1344                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1345                 ], [
1346                         # No multicast support
1347                         AC_MSG_RESULT(no)
1348                 ])
1349         ])
1350
1351         dnl **********************************
1352         dnl *** Check for gethostbyname2_r ***
1353         dnl **********************************
1354         AC_MSG_CHECKING(for gethostbyname2_r)
1355                 AC_TRY_LINK([#include <netdb.h>], [
1356                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1357         ], [
1358                 # Yes, we have it...
1359                 AC_MSG_RESULT(yes)
1360                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1361         ], [
1362                 AC_MSG_RESULT(no)
1363         ])
1364
1365         dnl *****************************
1366         dnl *** Checks for libnsl     ***
1367         dnl *****************************
1368         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1369
1370         AC_CHECK_FUNCS(inet_pton inet_aton)
1371
1372         dnl ***********************************************
1373         dnl *** Checks for size of sockaddr_un.sun_path ***
1374         dnl ***********************************************
1375         # AC_CHECK_SIZEOF can't cope with struct members :-(
1376         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1377         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1378                 [AC_TRY_RUN([
1379                         #include <sys/types.h>
1380                         #include <stdio.h>
1381                         #include <sys/un.h>
1382
1383                         int main(void) {
1384                                 struct sockaddr_un sock_un;
1385                                 FILE *f=fopen("conftestval", "w");
1386                                 if(!f) exit(1);
1387                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1388                                 exit(0);
1389                         }
1390                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1391                    mono_cv_sizeof_sunpath=0,
1392                    mono_cv_sizeof_sunpath=0)])dnl
1393         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1394         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1395
1396         dnl *****************************
1397         dnl *** Checks for libxnet    ***
1398         dnl *****************************
1399         case "${host}" in
1400                 *solaris* )
1401                         AC_MSG_CHECKING(for Solaris XPG4 support)
1402                         if test -f /usr/lib/libxnet.so; then
1403                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1404                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1405                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1406                                 LIBS="$LIBS -lxnet"
1407                                 AC_MSG_RESULT(yes)
1408                         else
1409                                 AC_MSG_RESULT(no)
1410                         fi
1411
1412                         if test "$GCC" = "yes"; then
1413                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1414                         fi
1415                 ;;
1416         esac
1417
1418         dnl *****************************
1419         dnl *** Checks for libpthread ***
1420         dnl *****************************
1421 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1422 # and libpthread does not exist
1423 #
1424         case "${host}" in
1425                 *-*-*freebsd*)
1426                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1427                 ;;
1428                 *-*-*openbsd*)
1429                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1430                 ;;
1431                 *)
1432                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1433                 ;;
1434         esac
1435         AC_CHECK_HEADERS(pthread.h)
1436         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1437         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1438         AC_CHECK_FUNCS(pthread_kill)
1439         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1440         AC_TRY_COMPILE([ #include <pthread.h>], [
1441                 pthread_mutexattr_t attr;
1442                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1443         ], [
1444                 AC_MSG_RESULT(ok)
1445         ], [
1446                 AC_MSG_RESULT(no)
1447                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1448                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1449         ])
1450         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1451         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1452         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1453
1454         dnl ***********************************
1455         dnl *** Checks for signals
1456         dnl ***********************************
1457         AC_CHECK_HEADERS(signal.h)
1458         AC_CHECK_FUNCS(sigaction)
1459
1460         dnl ***********************************
1461         dnl *** Checks for working __thread ***
1462         dnl ***********************************
1463         AC_MSG_CHECKING(for working __thread)
1464         if test "x$with_tls" != "x__thread"; then
1465                 AC_MSG_RESULT(disabled)
1466         else
1467                 AC_TRY_RUN([
1468                         #include <pthread.h>
1469                         __thread int i;
1470                         static int res1, res2;
1471
1472                         void thread_main (void *arg)
1473                         {
1474                                 i = arg;
1475                                 sleep (1);
1476                                 if (arg == 1)
1477                                         res1 = (i == arg);
1478                                 else
1479                                         res2 = (i == arg);
1480                         }
1481
1482                         int main () {
1483                                 pthread_t t1, t2;
1484
1485                                 i = 5;
1486
1487                                 pthread_create (&t1, NULL, thread_main, 1);
1488                                 pthread_create (&t2, NULL, thread_main, 2);
1489
1490                                 pthread_join (t1, NULL);
1491                                 pthread_join (t2, NULL);
1492
1493                                 return !(res1 + res2 == 2);
1494                         }
1495                 ], [
1496                                 AC_MSG_RESULT(yes)
1497                 ], [
1498                                 AC_MSG_RESULT(no)
1499                                 with_tls=pthread
1500                 ])
1501         fi
1502
1503         dnl **************************************
1504         dnl *** Checks for working sigaltstack ***
1505         dnl **************************************
1506         AC_MSG_CHECKING(for working sigaltstack)
1507         if test "x$with_sigaltstack" != "xyes"; then
1508                 AC_MSG_RESULT(disabled)
1509         else
1510                 AC_TRY_RUN([
1511                         #include <stdio.h>
1512                         #include <stdlib.h>
1513                         #include <unistd.h>
1514                         #include <signal.h>
1515                         #include <pthread.h>
1516                         #include <sys/wait.h>
1517                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1518                         #define SA_STACK SA_ONSTACK
1519                         #endif
1520                         static void
1521                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1522                         {
1523                                 exit (0);
1524                         }
1525
1526                         volatile char*__ptr = NULL;
1527                         static void *
1528                         loop (void *ignored)
1529                         {
1530                                 *__ptr = 0;
1531                                 return NULL;
1532                         }
1533
1534                         static void
1535                         child ()
1536                         {
1537                                 struct sigaction sa;
1538                         #ifdef __APPLE__
1539                                 stack_t sas;
1540                         #else
1541                                 struct sigaltstack sas;
1542                         #endif
1543                                 pthread_t id;
1544                                 pthread_attr_t attr;
1545
1546                                 sa.sa_sigaction = sigsegv_signal_handler;
1547                                 sigemptyset (&sa.sa_mask);
1548                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1549                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1550                                         perror ("sigaction");
1551                                         return;
1552                                 }
1553
1554                                 /* x86 darwin deliver segfaults using SIGBUS */
1555                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1556                                         perror ("sigaction");
1557                                         return;
1558                                 }
1559                                 sas.ss_sp = malloc (SIGSTKSZ);
1560                                 sas.ss_size = SIGSTKSZ;
1561                                 sas.ss_flags = 0;
1562                                 if (sigaltstack (&sas, NULL) == -1) {
1563                                         perror ("sigaltstack");
1564                                         return;
1565                                 }
1566
1567                                 pthread_attr_init (&attr);
1568                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1569                                         printf ("pthread_create\n");
1570                                         return;
1571                                 }
1572
1573                                 sleep (100);
1574                         }
1575
1576                         int
1577                         main ()
1578                         {
1579                                 pid_t son;
1580                                 int status;
1581                                 int i;
1582
1583                                 son = fork ();
1584                                 if (son == -1) {
1585                                         return 1;
1586                                 }
1587
1588                                 if (son == 0) {
1589                                         child ();
1590                                         return 0;
1591                                 }
1592
1593                                 for (i = 0; i < 300; ++i) {
1594                                         waitpid (son, &status, WNOHANG);
1595                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1596                                                 return 0;
1597                                         usleep (10000);
1598                                 }
1599
1600                                 kill (son, SIGKILL);
1601                                 return 1;
1602                         }
1603
1604                 ], [
1605                                 AC_MSG_RESULT(yes)
1606                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1607                 ], [
1608                                 with_sigaltstack=no
1609                                 AC_MSG_RESULT(no)
1610                 ])
1611         fi
1612
1613         dnl ********************************
1614         dnl *** Checks for semaphore lib ***
1615         dnl ********************************
1616         # 'Real Time' functions on Solaris
1617         # posix4 on Solaris 2.6
1618         # pthread (first!) on Linux
1619         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1620
1621         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1622         AC_CHECK_FUNCS(shm_open)
1623
1624         dnl ********************************
1625         dnl *** Checks for timezone stuff **
1626         dnl ********************************
1627         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1628                 AC_TRY_COMPILE([
1629                         #include <time.h>
1630                         ], [
1631                         struct tm tm;
1632                         tm.tm_gmtoff = 1;
1633                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1634         if test $ac_cv_struct_tm_gmtoff = yes; then
1635                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1636         else
1637                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1638                         AC_TRY_COMPILE([
1639                                 #include <time.h>
1640                         ], [
1641                                 timezone = 1;
1642                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1643                 if test $ac_cv_var_timezone = yes; then
1644                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1645                 else
1646                         AC_ERROR(unable to find a way to determine timezone)
1647                 fi
1648         fi
1649
1650         dnl *********************************
1651         dnl *** Checks for math functions ***
1652         dnl *********************************
1653         AC_SEARCH_LIBS(sqrtf, m)
1654         if test "x$has_broken_apple_cpp" != "xyes"; then
1655                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1656                         AC_TRY_LINK([#include <math.h>],
1657                         [ finite(0.0); ],
1658                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1659                         AC_MSG_RESULT(no)))
1660         fi
1661         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1662                 AC_TRY_LINK([#include <math.h>],
1663                 [ isfinite(0.0); ],
1664                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1665                 AC_MSG_RESULT(no)))
1666
1667         dnl ****************************************************************
1668         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1669         dnl *** have it in the library (duh))                            ***
1670         dnl ****************************************************************
1671         AC_CHECK_FUNCS(poll)
1672
1673         dnl *************************
1674         dnl *** Check for signbit ***
1675         dnl *************************
1676         AC_MSG_CHECKING(for signbit)
1677         AC_TRY_LINK([#include <math.h>], [
1678                 int s = signbit(1.0);
1679         ], [
1680                 AC_MSG_RESULT(yes)
1681                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1682         ], [
1683                 AC_MSG_RESULT(no)
1684         ])
1685
1686         dnl **********************************
1687         dnl *** epoll                      ***
1688         dnl **********************************
1689         AC_CHECK_HEADERS(sys/epoll.h)
1690         haveepoll=no
1691         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1692         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1693                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1694         fi
1695
1696         havekqueue=no
1697         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1698                 AC_TRY_LINK([#include <sys/event.h>],
1699                 [ kqueue(); ],[havekqueue=yes],[]))
1700
1701         dnl **************************************
1702         dnl * Darwin has a race that prevents us from using reliably:
1703         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1704         dnl * Since kqueue is mostly used for scaling large web servers,
1705         dnl * and very few folks run Mono on large web servers on OSX, falling
1706         dnl * back
1707         dnl **************************************
1708         if test x$havekqueue = xyes; then
1709                 if x$platform_darwin = xno; then
1710                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1711                 fi
1712         fi
1713
1714         dnl ******************************
1715         dnl *** Checks for SIOCGIFCONF ***
1716         dnl ******************************
1717         AC_CHECK_HEADERS(sys/ioctl.h)
1718         AC_CHECK_HEADERS(net/if.h, [], [],
1719            [
1720            #ifdef HAVE_SYS_TYPES_H
1721            # include <sys/types.h>
1722            #endif
1723            #ifdef HAVE_SYS_SOCKET_H
1724            # include <sys/socket.h>
1725            #endif
1726            ])
1727         AC_MSG_CHECKING(for ifreq)
1728         AC_TRY_COMPILE([
1729                 #include <stdio.h>
1730                 #include <sys/ioctl.h>
1731                 #include <net/if.h>
1732                 ], [
1733                 struct ifconf ifc;
1734                 struct ifreq *ifr;
1735                 void *x;
1736                 ifc.ifc_len = 0;
1737                 ifc.ifc_buf = NULL;
1738                 x = (void *) &ifr->ifr_addr;
1739                 ],[
1740                         AC_MSG_RESULT(yes)
1741                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1742                 ], [
1743                         AC_MSG_RESULT(no)
1744                 ])
1745         dnl **********************************
1746         dnl ***     Checks for sin_len     ***
1747         dnl **********************************
1748         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1749         AC_TRY_COMPILE([
1750                 #include <netinet/in.h>
1751                 ], [
1752                 struct sockaddr_in saddr;
1753                 saddr.sin_len = sizeof (saddr);
1754                 ],[
1755                         AC_MSG_RESULT(yes)
1756                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1757                 ], [
1758                         AC_MSG_RESULT(no)
1759                 ])
1760         dnl **********************************
1761         dnl ***    Checks for sin6_len     ***
1762         dnl **********************************
1763         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1764         AC_TRY_COMPILE([
1765                 #include <netinet/in.h>
1766                 ], [
1767                 struct sockaddr_in6 saddr6;
1768                 saddr6.sin6_len = sizeof (saddr6);
1769                 ],[
1770                         AC_MSG_RESULT(yes)
1771                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1772                 ], [
1773                         AC_MSG_RESULT(no)
1774                 ])
1775         dnl **********************************
1776         dnl *** Check for getifaddrs       ***
1777         dnl **********************************
1778         AC_MSG_CHECKING(for getifaddrs)
1779                 AC_TRY_LINK([
1780                 #include <stdio.h>
1781                 #include <sys/types.h>
1782                 #include <sys/socket.h>
1783                 #include <ifaddrs.h>
1784         ], [
1785                 getifaddrs(NULL);
1786         ], [
1787                 # Yes, we have it...
1788                 AC_MSG_RESULT(yes)
1789                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1790         ], [
1791                 AC_MSG_RESULT(no)
1792         ])
1793         dnl **********************************
1794         dnl *** Check for if_nametoindex   ***
1795         dnl **********************************
1796         AC_MSG_CHECKING(for if_nametoindex)
1797                 AC_TRY_LINK([
1798                 #include <stdio.h>
1799                 #include <sys/types.h>
1800                 #include <sys/socket.h>
1801                 #include <net/if.h>
1802         ], [
1803                 if_nametoindex(NULL);
1804         ], [
1805                 # Yes, we have it...
1806                 AC_MSG_RESULT(yes)
1807                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1808         ], [
1809                 AC_MSG_RESULT(no)
1810         ])
1811
1812         dnl **********************************
1813         dnl *** Checks for MonoPosixHelper ***
1814         dnl **********************************
1815         AC_CHECK_HEADERS(checklist.h)
1816         AC_CHECK_HEADERS(pathconf.h)
1817         AC_CHECK_HEADERS(fstab.h)
1818         AC_CHECK_HEADERS(attr/xattr.h)
1819         AC_CHECK_HEADERS(sys/extattr.h)
1820         AC_CHECK_HEADERS(sys/sendfile.h)
1821         AC_CHECK_HEADERS(sys/statvfs.h)
1822         AC_CHECK_HEADERS(sys/statfs.h)
1823         AC_CHECK_HEADERS(sys/vfstab.h)
1824         AC_CHECK_HEADERS(sys/xattr.h)
1825         AC_CHECK_HEADERS(sys/mman.h)
1826         AC_CHECK_HEADERS(sys/param.h)
1827         AC_CHECK_HEADERS(sys/mount.h, [], [],
1828                 [
1829                 #ifdef HAVE_SYS_PARAM_H
1830                 # include <sys/param.h>
1831                 #endif
1832                 ])
1833         AC_CHECK_HEADERS(sys/mount.h)
1834         AC_CHECK_FUNCS(confstr)
1835         AC_CHECK_FUNCS(seekdir telldir)
1836         AC_CHECK_FUNCS(getdomainname)
1837         AC_CHECK_FUNCS(setdomainname)
1838         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1839         AC_CHECK_FUNCS(setgroups)
1840         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1841         AC_CHECK_FUNCS(getfsstat)
1842         AC_CHECK_FUNCS(lutimes futimes)
1843         AC_CHECK_FUNCS(mremap)
1844         AC_CHECK_FUNCS(remap_file_pages)
1845         AC_CHECK_FUNCS(posix_fadvise)
1846         AC_CHECK_FUNCS(posix_fallocate)
1847         AC_CHECK_FUNCS(posix_madvise)
1848         AC_CHECK_FUNCS(vsnprintf)
1849         AC_CHECK_FUNCS(sendfile)
1850         AC_CHECK_FUNCS(gethostid sethostid)
1851         AC_CHECK_FUNCS(sethostname)
1852         AC_CHECK_FUNCS(statfs)
1853         AC_CHECK_FUNCS(fstatfs)
1854         AC_CHECK_FUNCS(statvfs)
1855         AC_CHECK_FUNCS(fstatvfs)
1856         AC_CHECK_FUNCS(stime)
1857         AC_CHECK_FUNCS(strerror_r)
1858         AC_CHECK_FUNCS(ttyname_r)
1859         AC_CHECK_FUNCS(psignal)
1860         AC_CHECK_FUNCS(getlogin_r)
1861         AC_CHECK_FUNCS(lockf)
1862         AC_CHECK_FUNCS(swab)
1863         AC_CHECK_FUNCS(setusershell endusershell)
1864         AC_CHECK_SIZEOF(size_t)
1865         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1866                 [#include <sys/types.h>
1867                  #include <sys/stat.h>
1868                  #include <unistd.h>])
1869         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1870                 [#include <sys/types.h>
1871                  #include <sys/stat.h>
1872                  #include <unistd.h>])
1873         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1874                 [#include <sys/time.h>])
1875         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1876                 [#include <unistd.h>
1877                  #include <fcntl.h>])
1878         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1879                 [#include <sys/poll.h>])
1880         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1881                 [#include <sys/types.h>
1882                  #include <sys/stat.h>
1883                  #include <unistd.h>])
1884         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1885                 [#include <time.h>])
1886         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1887                 [#include <sys/time.h>
1888                  #include <sys/types.h>
1889                  #include <utime.h>])
1890         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1891                 [#include <sys/time.h>])
1892         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1893                 [#include <sys/types.h>
1894                  #include <utime.h>])
1895         AC_CHECK_MEMBERS(
1896                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1897                 [#include <sys/types.h>
1898                  #include <dirent.h>])
1899         AC_CHECK_MEMBERS(
1900                 [struct passwd.pw_gecos],,,
1901                 [#include <sys/types.h>
1902                  #include <pwd.h>])
1903         AC_CHECK_MEMBERS(
1904                 [struct statfs.f_flags],,,
1905                 [#include <sys/types.h>
1906                  #include <sys/vfs.h>])
1907
1908         dnl Favour xattr through glibc, but use libattr if we have to
1909         AC_CHECK_FUNC(lsetxattr, ,
1910                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1911         )
1912         AC_SUBST(XATTR_LIB)
1913
1914         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1915         AC_CHECK_MEMBERS(
1916                 [struct kinfo_proc.kp_proc],,,
1917                 [#include <sys/types.h>
1918                  #include <sys/param.h>
1919                  #include <sys/sysctl.h>
1920                  #include <sys/proc.h>
1921                  ])
1922
1923         dnl *********************************
1924         dnl *** Checks for Windows compilation ***
1925         dnl *********************************
1926         AC_CHECK_HEADERS(sys/time.h)
1927         AC_CHECK_HEADERS(sys/param.h)
1928         AC_CHECK_HEADERS(dirent.h)
1929
1930         dnl *********************************
1931         dnl *** Check for Console 2.0 I/O ***
1932         dnl *********************************
1933         AC_CHECK_HEADERS([curses.h])
1934         AC_CHECK_HEADERS([term.h], [], [],
1935         [#if HAVE_CURSES_H
1936          #include <curses.h>
1937          #endif
1938         ])
1939         AC_CHECK_HEADERS([termios.h])
1940
1941         dnl * This is provided in io-layer, but on windows it's only available
1942         dnl * on xp+
1943         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1944 else
1945         dnl *********************************
1946         dnl *** Checks for Windows compilation ***
1947         dnl *********************************
1948         AC_CHECK_HEADERS(winternl.h)
1949
1950         jdk_headers_found=no
1951         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1952         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1953         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1954         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1955         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1956         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1957         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1958
1959         dnl *********************************
1960         dnl *** Check for struct ip_mreqn ***
1961         dnl *********************************
1962         AC_MSG_CHECKING(for struct ip_mreqn)
1963         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1964                 struct ip_mreqn mreq;
1965                 mreq.imr_address.s_addr = 0;
1966         ], [
1967                 # Yes, we have it...
1968                 AC_MSG_RESULT(yes)
1969                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1970         ], [
1971                 # We'll just have to try and use struct ip_mreq
1972                 AC_MSG_RESULT(no)
1973                 AC_MSG_CHECKING(for struct ip_mreq)
1974                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1975                         struct ip_mreq mreq;
1976                         mreq.imr_interface.s_addr = 0;
1977                 ], [
1978                         # Yes, we have it...
1979                         AC_MSG_RESULT(yes)
1980                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1981                 ], [
1982                         # No multicast support
1983                         AC_MSG_RESULT(no)
1984                 ])
1985         ])
1986         AC_CHECK_FUNCS(GetProcessId)
1987 fi
1988
1989 dnl socklen_t check
1990 AC_MSG_CHECKING(for socklen_t)
1991 AC_TRY_COMPILE([
1992 #include <sys/types.h>
1993 #include <sys/socket.h>
1994 ],[
1995   socklen_t foo;
1996 ],[
1997 ac_cv_c_socklen_t=yes
1998         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1999         AC_MSG_RESULT(yes)
2000 ],[
2001         AC_MSG_RESULT(no)
2002 ])
2003
2004 AC_MSG_CHECKING(for array element initializer support)
2005 AC_TRY_COMPILE([#include <sys/socket.h>], [
2006         const int array[] = {[1] = 2,};
2007 ], [
2008         # Yes, we have it...
2009         AC_MSG_RESULT(yes)
2010         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2011 ], [
2012         # We'll have to use signals
2013         AC_MSG_RESULT(no)
2014 ])
2015
2016 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2017         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2018         AC_TRY_LINK([#include <math.h>],
2019         [ static void *p = &trunc; ],
2020         [
2021                 AC_DEFINE(HAVE_TRUNC)
2022                 AC_MSG_RESULT(yes)
2023                 ac_cv_trunc=yes
2024         ],
2025         AC_MSG_RESULT(no)))
2026
2027 if test "x$ac_cv_truncl" != "xyes"; then
2028    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2029 fi
2030
2031 AC_CHECK_FUNCS(round)
2032 AC_CHECK_FUNCS(rint)
2033 AC_CHECK_FUNCS(execvp)
2034
2035 dnl ****************************
2036 dnl *** Look for /dev/random ***
2037 dnl ****************************
2038
2039 AC_MSG_CHECKING([if usage of random device is requested])
2040 AC_ARG_ENABLE(dev-random,
2041 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2042 try_dev_random=$enableval, try_dev_random=yes)
2043
2044 AC_MSG_RESULT($try_dev_random)
2045
2046 case "{$build}" in
2047     *-openbsd*)
2048     NAME_DEV_RANDOM="/dev/srandom"
2049     ;;
2050
2051 dnl Win32 does not have /dev/random, they have their own method...
2052
2053     *-mingw*|*-*-cygwin*)
2054     ac_cv_have_dev_random=no
2055     ;;
2056
2057 dnl Everywhere else, it's /dev/random
2058
2059     *)
2060     NAME_DEV_RANDOM="/dev/random"
2061     ;;
2062 esac
2063
2064 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2065
2066 dnl Now check if the device actually exists
2067
2068 if test "x$try_dev_random" = "xyes"; then
2069     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2070     [if test -r "$NAME_DEV_RANDOM" ; then
2071         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2072     if test "x$ac_cv_have_dev_random" = "xyes"; then
2073         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2074     fi
2075 else
2076     AC_MSG_CHECKING(for random device)
2077     ac_cv_have_dev_random=no
2078     AC_MSG_RESULT(has been disabled)
2079 fi
2080
2081 if test "x$host_win32" = "xyes"; then
2082     AC_DEFINE(HAVE_CRYPT_RNG)
2083 fi
2084
2085 if test "x$ac_cv_have_dev_random" = "xno" \
2086     && test "x$host_win32" = "xno"; then
2087     AC_MSG_WARN([[
2088 ***
2089 *** A system-provided entropy source was not found on this system.
2090 *** Because of this, the System.Security.Cryptography random number generator
2091 *** will throw a NotImplemented exception.
2092 ***
2093 *** If you are seeing this message, and you know your system DOES have an
2094 *** entropy collection in place, please contact <crichton@gimp.org> and
2095 *** provide information about the system and how to access the random device.
2096 ***
2097 *** Otherwise you can install either egd or prngd and set the environment
2098 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2099 ***]])
2100 fi
2101
2102 AC_MSG_CHECKING([if inter-process shared handles are requested])
2103 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2104 AC_MSG_RESULT($try_shared_handles)
2105 if test "x$try_shared_handles" != "xyes"; then
2106         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2107         AC_SUBST(DISABLE_SHARED_HANDLES)
2108 fi
2109
2110 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2111
2112 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2113 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2114
2115 AC_MSG_CHECKING([if big-arrays are to be enabled])
2116 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2117 if test "x$enable_big_arrays" = "xyes" ; then
2118     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2119         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2120     else
2121         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2122     fi
2123 fi
2124 AC_MSG_RESULT($enable_big_arrays)
2125
2126 dnl **************
2127 dnl *** DTRACE ***
2128 dnl **************
2129
2130 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2131
2132 if test "x$enable_dtrace" = "xyes"; then
2133    if test "x$has_dtrace" = "xno"; then
2134           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2135    fi
2136    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2137    if test "x$DTRACE" = "xno"; then
2138           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2139           enable_dtrace=no
2140    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2141           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2142           enable_dtrace=no
2143    fi
2144 fi
2145
2146 dtrace_g=no
2147 if test "x$enable_dtrace" = "xyes"; then
2148         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2149         DTRACEFLAGS=
2150         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2151                 case "$host" in
2152                         powerpc-*-darwin*)
2153                         DTRACEFLAGS="-arch ppc64"
2154                         ;;
2155                         i*86-*-darwin*)
2156                         DTRACEFLAGS="-arch x86_64"
2157                         ;;
2158                         *)
2159                         DTRACEFLAGS=-64
2160                         ;;
2161                 esac
2162         else
2163                 case "$host" in
2164                         powerpc-*-darwin*)
2165                         DTRACEFLAGS="-arch ppc"
2166                         ;;
2167                         i*86-*-darwin*)
2168                         DTRACEFLAGS="-arch i386"
2169                         ;;
2170                         *)
2171                         DTRACEFLAGS=-32
2172                         ;;
2173                 esac
2174         fi
2175         AC_SUBST(DTRACEFLAGS)
2176         case "$host" in
2177                 *-*-solaris*)
2178                 dtrace_g=yes
2179                 ;;
2180         esac
2181         AC_CHECK_HEADERS([sys/sdt.h])
2182 fi
2183 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2184 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2185
2186 dnl **************
2187 dnl ***  NaCl  ***
2188 dnl **************
2189
2190 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2191 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2192
2193 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2194 if test "x$enable_nacl_codegen" = "xyes"; then
2195    MONO_NACL_ALIGN_MASK_OFF=1
2196    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2197    AC_DEFINE(TARGET_NACL, 1, [...])
2198 else
2199    MONO_NACL_ALIGN_MASK_OFF=0
2200    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2201 fi
2202 if test "x$enable_nacl_gc" = "xyes"; then
2203    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2204 fi
2205 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2206
2207 dnl **************
2208 dnl ***  LLVM  ***
2209 dnl **************
2210
2211 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2212 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2213
2214 if test "x$enable_llvm" = "xyes"; then
2215    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2216    if test "x$LLVM_CONFIG" = "xno"; then
2217           AC_MSG_ERROR([llvm-config not found.])
2218    fi
2219
2220    llvm_codegen="x86codegen"
2221    case "$target" in
2222    arm*)
2223                 llvm_codegen="armcodegen"
2224                 ;;
2225    esac
2226
2227
2228    # The output of --cflags seems to include optimizations flags too
2229    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2230    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2231    # from LLVM classes.
2232    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2233    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2234    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2235    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2236
2237    # Should be something like '2.6' or '2.7svn'
2238    llvm_version=`$LLVM_CONFIG --version`
2239    major_version=`echo $llvm_version | cut -c 1`
2240    minor_version=`echo $llvm_version | cut -c 3`
2241    AC_MSG_CHECKING(LLVM version)
2242    AC_MSG_RESULT($llvm_version)
2243    if echo $llvm_version | grep -q 'mono'; then
2244           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2245           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2246    else
2247           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.])
2248    fi
2249
2250    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2251    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2252    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2253
2254    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2255    # llvm's config.h
2256    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2257
2258    AC_SUBST(LLVM_CFLAGS)
2259    AC_SUBST(LLVM_CXXFLAGS)
2260    AC_SUBST(LLVM_LIBS)
2261    AC_SUBST(LLVM_LDFLAGS)
2262    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2263 fi
2264
2265 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2266 if test "x$enable_loadedllvm" = "xyes"; then
2267    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2268 fi
2269 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2270
2271 TARGET="unknown"
2272 ACCESS_UNALIGNED="yes"
2273
2274 JIT_SUPPORTED=no
2275 INTERP_SUPPORTED=no
2276 LIBC="libc.so.6"
2277 INTL="libc.so.6"
2278 SQLITE="libsqlite.so.0"
2279 SQLITE3="libsqlite3.so.0"
2280 X11="libX11.so"
2281
2282 sizeof_register="SIZEOF_VOID_P"
2283
2284 jit_wanted=true
2285 interp_wanted=false
2286 sgen_supported=false
2287 case "$host" in
2288 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2289 #               TARGET=MIPS;
2290 #               ACCESS_UNALIGNED="no"
2291 #               ;;
2292         mips*)
2293                 TARGET=MIPS;
2294                 arch_target=mips;
2295                 sgen_supported=true
2296                 ACCESS_UNALIGNED="no"
2297                 JIT_SUPPORTED=yes
2298
2299                 AC_MSG_CHECKING(for mips n32)
2300                 AC_TRY_COMPILE([],[
2301                 #if _MIPS_SIM != _ABIN32
2302                 #error Not mips n32
2303                 #endif
2304                 return 0;
2305                 ],[
2306                 AC_MSG_RESULT(yes)
2307                 sizeof_register=8
2308                 ],[
2309                 AC_MSG_RESULT(no)
2310                 ])
2311                 ;;
2312         i*86-*-*)
2313                 TARGET=X86;
2314                 arch_target=x86;
2315                 JIT_SUPPORTED=yes
2316                 case $host_os in
2317                   solaris*)
2318                         LIBC="libc.so"
2319                         INTL="libintl.so"
2320                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2321                                 TARGET=AMD64
2322                                 arch_target=amd64
2323                         fi
2324
2325                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2326                         # int astruct __attribute__ ((visibility ("hidden")));
2327                         # void foo ()
2328                         # {
2329                         #       void *p = &astruct;
2330                         # }
2331                         # gcc -fPIC --shared -o libfoo.so foo.c
2332                         # yields:
2333                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2334                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2335                         have_visibility_hidden=no
2336                         sgen_supported=true
2337                         ;;
2338                   cygwin*)
2339                         sgen_supported=true
2340                         have_visibility_hidden=no
2341                         ;;
2342                   haiku*)
2343                         LIBC=libroot.so
2344                         ;;
2345                   linux*)
2346                         sgen_supported=true
2347                         AOT_SUPPORTED="yes"
2348                         ;;
2349                   darwin*)
2350                         sgen_supported=true
2351                         AOT_SUPPORTED="yes"
2352                         ;;
2353                   darwin*|openbsd*|freebsd*)
2354                         sgen_supported=true
2355                         ;;
2356                 esac
2357                 ;;
2358         x86_64-*-* | amd64-*-*)
2359                 TARGET=AMD64;
2360                 arch_target=amd64;
2361                 JIT_SUPPORTED=yes
2362                 case $host_os in
2363                   linux*)
2364                         sgen_supported=true
2365                         AOT_SUPPORTED="yes"
2366                         ;;
2367                   darwin*|openbsd*|freebsd*)
2368                         sgen_supported=true
2369                         ;;
2370                 esac
2371                 case "$host" in
2372                         x86_64-*-nacl*)
2373                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2374                                 sizeof_register=8
2375                                 ;;
2376                 esac
2377                 ;;
2378         ia64-*-*)
2379                 TARGET=IA64
2380                 arch_target=ia64
2381                 ACCESS_UNALIGNED="no"
2382                 JIT_SUPPORTED=yes
2383                 LIBC="libc.so.6.1"
2384                 INTL="libc.so.6.1"
2385                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2386                 libmono_ldflags="-lunwind"
2387                 ;;
2388         sparc*-*-*)
2389                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2390                    TARGET=SPARC64
2391                 else
2392                         TARGET=SPARC
2393                 fi
2394                 arch_target=sparc;
2395                 JIT_SUPPORTED=yes
2396                 ACCESS_UNALIGNED="no"
2397                 case $host_os in
2398                   linux*) ;;
2399                   *)
2400                         LIBC="libc.so"
2401                         INTL="libintl.so"
2402                 esac
2403                 if test x"$GCC" = xyes; then
2404                         # We don't support v8 cpus
2405                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2406                 fi
2407                 if test x"$AR" = xfalse; then
2408                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2409                 fi
2410                 sgen_supported=true
2411                 ;;
2412        alpha*-*-linux* | alpha*-*-osf*)
2413                 TARGET=ALPHA;
2414                 ACCESS_UNALIGNED="no"
2415                 JIT_SUPPORTED=yes
2416                 arch_target=alpha;
2417                 CFLAGS="$CFLAGS -mieee -O0"
2418                 case $host_os in
2419                   linux*)
2420                         LIBC="libc.so.6.1"
2421                         INTL="libc.so.6.1"
2422                 esac
2423                ;;
2424         *-mingw*|*-*-cygwin*)
2425                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2426                 have_visibility_hidden=no
2427                 INTL="intl"
2428                 ;;
2429         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2430                 TARGET=HPPA;
2431                 arch_target=hppa;
2432                 LIBC="libc.sl"
2433                 ACCESS_UNALIGNED="no"
2434                 INTERP_SUPPORTED=yes
2435                 interp_wanted=true
2436                 ;;
2437         hppa*linux*)
2438                 TARGET=HPPA;
2439                 arch_target=hppa;
2440                 ACCESS_UNALIGNED="no"
2441                 JIT_SUPPORTED=yes
2442                 ;;
2443         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2444         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2445                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2446                         TARGET=POWERPC64;
2447                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2448                         CFLAGS="$CFLAGS -mminimal-toc"
2449                 else
2450                         TARGET=POWERPC;
2451                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2452                 fi
2453                 arch_target=ppc;
2454                 JIT_SUPPORTED=yes
2455                 case $host_os in
2456                   linux*|darwin*)
2457                         sgen_supported=true
2458                         ;;
2459                 esac
2460                 ;;
2461         arm*-darwin*)
2462                 TARGET=ARM;
2463                 arch_target=arm;
2464                 ACCESS_UNALIGNED="no"
2465                 JIT_SUPPORTED=yes
2466                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2467                 # libgc's gc_locks.h depends on this
2468             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2469                 sgen_supported=true
2470                 ;;
2471         arm*-linux*)
2472                 TARGET=ARM;
2473                 arch_target=arm;
2474                 ACCESS_UNALIGNED="no"
2475                 JIT_SUPPORTED=yes
2476                 sgen_supported=true
2477                 AOT_SUPPORTED="yes"
2478                 ;;
2479         s390-*-linux*)
2480                 TARGET=S390;
2481                 arch_target=s390;
2482                 ACCESS_UNALIGNED="yes"
2483                 JIT_SUPPORTED=yes
2484                 sgen_supported=true
2485                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2486                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2487                 ;;
2488         s390x-*-linux*)
2489                 TARGET=S390x;
2490                 arch_target=s390x;
2491                 ACCESS_UNALIGNED="yes"
2492                 JIT_SUPPORTED=yes
2493                 sgen_supported=true
2494                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2495                 ;;
2496 esac
2497
2498 HOST=$TARGET
2499
2500 if test "x$host" != "x$target"; then
2501    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2502    enable_mcs_build=no
2503    case "$target" in
2504    arm*-darwin*)
2505                 TARGET=ARM;
2506                 arch_target=arm;
2507                 ACCESS_UNALIGNED="no"
2508                 JIT_SUPPORTED=yes
2509                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2510                 jit_wanted=true
2511                 # Can't use tls, since it depends on the runtime detection of tls offsets
2512                 # in mono-compiler.h
2513                 with_tls=pthread
2514                 ;;
2515    powerpc64-ps3-linux-gnu)
2516                 TARGET=POWERPC64
2517                 arch_target=powerpc64
2518                 AC_DEFINE(TARGET_PS3, 1, [...])
2519                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2520                 # uses this define
2521                 AC_DEFINE(__mono_ppc64__, 1, [...])
2522                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2523                 sizeof_register=8
2524                 target_byte_order=G_BIG_ENDIAN
2525                 ;;
2526
2527    powerpc64-xbox360-linux-gnu)
2528                 TARGET=POWERPC64
2529                 arch_target=powerpc64
2530                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2531                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2532                 # uses this define
2533                 sizeof_register=8
2534                 target_byte_order=G_BIG_ENDIAN
2535                 ;;
2536    x86_64-*-nacl)
2537                 TARGET=AMD64
2538                 arch_target=amd64
2539                 AC_DEFINE(TARGET_AMD64, 1, [...])
2540                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2541                 sizeof_register=8
2542                 ;;
2543    *-*-nacl)
2544                 TARGET=X86
2545                 arch_target=x86
2546                 AC_DEFINE(TARGET_X86, 1, [...])
2547                 sizeof_register=4
2548                 ;;
2549    arm*-unknown-linux-*)
2550                 TARGET=ARM;
2551                 arch_target=arm;
2552                 AC_DEFINE(TARGET_ARM, 1, [...])
2553                 ACCESS_UNALIGNED="no"
2554                 JIT_SUPPORTED=yes
2555                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2556                 jit_wanted=true
2557                 # Can't use tls, since it depends on the runtime detection of tls offsets
2558                 # in mono-compiler.h
2559                 with_tls=pthread
2560                 target_mach=no
2561                 case "$target" in
2562                 armv7l-unknown-linux-gnueabi*)
2563                         # TEGRA
2564                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2565                         ;;
2566                 armv5-*-linux-androideabi*)
2567                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2568                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2569                         ;;
2570                 esac
2571                 ;;
2572         *)
2573                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2574         esac
2575 fi
2576
2577 # FIXME: Define the others as well
2578 case "$TARGET" in
2579 X86)
2580         AC_DEFINE(TARGET_X86, 1, [...])
2581         ;;
2582 AMD64)
2583         AC_DEFINE(TARGET_AMD64, 1, [...])
2584         ;;
2585 ARM)
2586         AC_DEFINE(TARGET_ARM, 1, [...])
2587         ;;
2588 POWERPC)
2589         AC_DEFINE(TARGET_POWERPC, 1, [...])
2590         ;;
2591 POWERPC64)
2592         AC_DEFINE(TARGET_POWERPC, 1, [...])
2593         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2594         ;;
2595 S390x)
2596         AC_DEFINE(TARGET_S390X, 1, [...])
2597         ;;
2598 MIPS)
2599         AC_DEFINE(TARGET_MIPS, 1, [...])
2600         ;;
2601 esac
2602
2603 if test "x$target_mach" = "xyes"; then
2604         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2605         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2606         #error fail this for ios
2607         #endif
2608         return 0;
2609         ], [
2610                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2611                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2612                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2613         ], [
2614                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2615                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2616                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2617         ])
2618
2619    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2620 fi
2621
2622 if test "x$sizeof_register" = "x4"; then
2623    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2624 elif test "x$sizeof_register" = "x8"; then
2625    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2626 else
2627    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2628 fi
2629
2630 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2631    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2632 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2633    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2634 else
2635    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2636 fi
2637
2638 if test "x$have_visibility_hidden" = "xyes"; then
2639    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2640 fi
2641
2642 if test "x$have_deprecated" = "xyes"; then
2643    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2644 fi
2645
2646 dnl
2647 dnl Simple Generational checks (sgen)
2648 dnl
2649 if $sgen_supported; then
2650    build_sgen_default=yes
2651 else
2652    build_sgen_default=no
2653 fi
2654 SGEN_DEFINES=
2655 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2656 if test x$buildsgen = xyes; then
2657    if $sgen_supported; then
2658        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2659        gc_msg="sgen and $gc_msg"
2660    else
2661        buildsgen=no
2662        AC_MSG_WARN("Sgen is not supported on this platform")
2663    fi
2664 fi
2665 AC_SUBST(SGEN_DEFINES)
2666 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2667
2668 USEJIT=false
2669 if test x$JIT_SUPPORTED = xyes; then
2670    if $jit_wanted; then
2671       USEJIT=true
2672       jit_status="Building and using the JIT"
2673    else
2674       if $interp_wanted; then
2675          jit_status="Building the JIT, defaulting to the interpreter"
2676       else
2677          AC_ERROR(No JIT or interpreter support available or selected.)
2678       fi
2679    fi
2680 else
2681    if test x$interp_wanted = xtrue; then
2682       jit_status="interpreter"
2683    else
2684       AC_ERROR(No JIT or interpreter support available or selected.)
2685    fi
2686 fi
2687
2688 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2689
2690 libsuffix=".so"
2691
2692 case "$host" in
2693      *-*-darwin*)
2694         libsuffix=".dylib"
2695         LIBC="libc.dylib"
2696         INTL="libintl.dylib"
2697         SQLITE="libsqlite.0.dylib"
2698         SQLITE3="libsqlite3.0.dylib"
2699         X11="libX11.dylib"
2700         ;;
2701      *-*-*netbsd*)
2702         LIBC="libc.so.12"
2703         INTL="libintl.so.0"
2704         ;;
2705     *-*-*freebsd*)
2706         LIBC="libc.so"
2707         INTL="libintl.so"
2708         SQLITE="libsqlite.so"
2709         SQLITE3="libsqlite3.so"
2710         ;;
2711     *-*-*openbsd*)
2712         LIBC="libc.so"
2713         INTL="libintl.so"
2714         SQLITE="libsqlite.so"
2715         SQLITE3="libsqlite3.so"
2716         ;;
2717     *-*-*linux*)
2718         AC_PATH_X
2719         AC_MSG_CHECKING(for the soname of libX11.so)
2720         for i in $x_libraries /usr/lib /usr/lib64; do
2721                 for r in 4 5 6; do
2722                         if test -f $i/libX11.so.$r; then
2723                                 X11=libX11.so.$r
2724                                 AC_MSG_RESULT($X11)
2725                         fi
2726                 done
2727         done
2728
2729         if test "x$X11" = "xlibX11.so"; then
2730                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2731                 X11=libX11.so.6
2732         fi
2733         ;;
2734 esac
2735
2736
2737 AC_SUBST(libsuffix)
2738
2739 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2740         if test "x$with_tls" = "x__thread"; then
2741                 #
2742                 # On some linux distributions, TLS works in executables, but linking
2743                 # against a shared library containing TLS fails with:
2744                 # undefined reference to `__tls_get_addr'
2745                 #
2746                 rm -f conftest.c conftest.so conftest
2747                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2748                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2749                 $CC -o conftest conftest.so > /dev/null 2>&1
2750                 if test ! -f conftest; then
2751                    AC_MSG_WARN([Disabling usage of __thread.]);
2752                    with_tls=pthread
2753                 fi
2754                 rm -f conftest.c conftest.so conftest
2755         fi
2756 fi
2757
2758 mono_debugger_supported=no
2759 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2760 if test "x$try_mono_debugger" = "xyes"; then
2761         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2762                 if test x$use_included_gc = xyes; then
2763                         case "$host" in
2764                         *-*-*linux*)
2765                                 mono_debugger_supported=yes
2766                                 ;;
2767                         *86-apple-darwin*)
2768                                 mono_debugger_supported=yes
2769                                 ;;
2770                         esac
2771                 fi
2772         fi
2773 fi
2774
2775 # disable the debugger entirely when building with moonlight
2776 if test "x$with_moonlight" != "xno"; then
2777         mono_debugger_supported=no
2778 fi
2779
2780 # mdb support for sgen is broken, disable it until further notice.
2781 mono_debugger_supported=no
2782
2783 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2784 if test "x$mono_debugger_supported" = "xyes"; then
2785         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2786         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2787 fi
2788 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2789 AC_MSG_RESULT($mono_debugger_supported)
2790
2791 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2792 if test "x$icall_symbol_map" = "xyes"; then
2793    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2794 fi
2795
2796 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2797 if test "x$icall_export" = "xyes"; then
2798    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2799 fi
2800
2801 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2802 if test "x$icall_tables" = "xno"; then
2803    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2804 fi
2805
2806 if test "x$mono_cv_clang" = "xyes"; then
2807    # FIXME: This causes many compilation errors
2808    with_tls=pthread
2809 fi
2810
2811 if test "x$with_tls" = "x__thread"; then
2812         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2813         # Pass the information to libgc
2814         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2815         AC_MSG_CHECKING(if the tls_model attribute is supported)
2816         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2817                 ], [
2818                         AC_MSG_RESULT(yes)
2819                         # CLANG doesn't support this yet, and it prints warnings about it
2820                         if test "x$mono_cv_clang" = "xno"; then
2821                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2822                         fi
2823                 ], [
2824                         AC_MSG_RESULT(no)
2825         ])
2826 fi
2827
2828 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2829         dnl ******************************************
2830         dnl *** Check to see what FPU is available ***
2831         dnl ******************************************
2832         AC_MSG_CHECKING(which FPU to use)
2833
2834         fpu=NONE
2835         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2836            fpu=VFP_HARD
2837         fi
2838
2839         if test x$fpu = xNONE; then
2840            ORIG_CFLAGS=$CFLAGS
2841            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2842            AC_TRY_RUN([
2843                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2844                                 ], fpu=VFP, fpu=NONE)
2845            CFLAGS=$ORIG_CFLAGS
2846         fi
2847
2848         if test x$fpu = xNONE; then
2849                 AC_TRY_COMPILE([], [
2850                         __asm__ ("ldfd f0, [r0]");
2851                         ], fpu=FPA, fpu=NONE)
2852         fi
2853
2854         AC_MSG_RESULT($fpu)
2855         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2856         unset fpu
2857
2858         AC_MSG_CHECKING(for ARMV6)
2859         AC_TRY_RUN([
2860                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2861                         ], armv6=yes, armv6=no)
2862
2863         AC_MSG_RESULT($armv6)
2864         if test ${armv6} = yes; then
2865            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2866            # libgc's gc_locks.h depends on this
2867            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2868         fi
2869 fi
2870
2871 if test ${TARGET} = unknown; then
2872         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2873         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2874 fi
2875
2876 if test ${ACCESS_UNALIGNED} = no; then
2877         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2878 fi
2879
2880 case "x$gc" in
2881         xincluded)
2882                 # Pass CPPFLAGS to libgc configure
2883                 # We should use a separate variable for this to avoid passing useless and
2884                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2885                 # This should be executed late so we pick up the final version of CPPFLAGS
2886                 # The problem with this approach, is that during a reconfigure, the main
2887                 # configure scripts gets invoked with these arguments, so we use separate
2888                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2889                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2890                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2891                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2892                 fi
2893                 # Don't pass -finstrument-for-thread-suspension in,
2894                 # if these are instrumented it will be very bad news
2895                 # (infinite recursion, undefined parking behavior, etc)
2896                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2897                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2898                 AC_CONFIG_SUBDIRS(libgc)
2899                 ;;
2900 esac
2901
2902 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2903 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2904 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2905 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2906 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2907 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2908
2909 OPROFILE=no
2910 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2911         if test x$with_oprofile != xno; then
2912             oprofile_include=$with_oprofile/include
2913             if test ! -f $oprofile_include/opagent.h; then
2914                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2915                 fi
2916             OPROFILE=yes
2917                 OPROFILE_CFLAGS="-I$oprofile_include"
2918             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2919             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2920         fi
2921 ])
2922
2923 MALLOC_MEMPOOLS=no
2924 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2925         if test x$with_malloc_mempools = xyes; then
2926                 MALLOC_MEMPOOLS=yes
2927                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2928         fi
2929 ])
2930
2931
2932 DISABLE_MCS_DOCS=no
2933 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2934         if test x$with_mcs_docs != xyes; then
2935                 DISABLE_MCS_DOCS=yes
2936         fi
2937 ])
2938 if test x$with_profile4 != xyes; then
2939         DISABLE_MCS_DOCS=yes
2940 fi
2941
2942 MOONLIGHT_DEFINES=
2943 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2944         if test x$with_moonlight != xno; then
2945         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2946         fi
2947 ], [with_moonlight=no])
2948 AC_SUBST(MOONLIGHT_DEFINES)
2949
2950 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2951         if test "x$with_moon_gc" != "xsgen"; then
2952                 with_moon_gc=boehm
2953         fi
2954 ], [with_moon_gc=boehm])
2955
2956 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)],[
2957         if test x$with_lazy_gc_thread_creation != xno ; then
2958                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2959         fi
2960 ], [with_lazy_gc_thread_creation=no])
2961
2962 AC_CHECK_HEADER([malloc.h],
2963                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2964                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2965
2966 if test x"$GCC" = xyes; then
2967         # Implicit function declarations are not 64 bit safe
2968         # Do this late, since this causes lots of configure tests to fail
2969         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2970         # jay has a lot of implicit declarations
2971         JAY_CFLAGS="-Wno-implicit-function-declaration"
2972 fi
2973
2974 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2975 # instead of libmono-static.a
2976 if test "x$enable_shared" = "xno"; then
2977    LIBMONO_LA=libmini-static.la
2978 else
2979    LIBMONO_LA=libmono-$API_VER.la
2980 fi
2981 AC_SUBST(LIBMONO_LA)
2982
2983 dnl
2984 dnl Consistency settings
2985 dnl
2986 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2987    DISABLE_MCS_DOCS=yes
2988    with_profile2=no
2989    with_profile4=no
2990    with_profile4_5=no
2991    with_monodroid=no
2992    with_monotouch=no
2993 fi
2994
2995 if test x$DISABLE_MCS_DOCS = xyes; then
2996    docs_dir=""
2997 else
2998    docs_dir=docs
2999 fi
3000 AC_SUBST(docs_dir)
3001
3002 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3003 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3004
3005 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3006 AC_SUBST(OPROFILE_CFLAGS)
3007 AC_SUBST(OPROFILE_LIBS)
3008
3009 libmono_ldflags="$libmono_ldflags $LIBS"
3010
3011 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3012
3013 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3014 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3015 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3016
3017 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3018 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3019 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3020 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3021 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3022 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3023 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3024
3025 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3026 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3027 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3028 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3029 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3030 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3031 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3032 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3033 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3034 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3035 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3036 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3037 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3038 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3039 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3040 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3041 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3042 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3043 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3044 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3045
3046 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3047 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3048 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3049
3050 AC_SUBST(LIBC)
3051 AC_SUBST(INTL)
3052 AC_SUBST(SQLITE)
3053 AC_SUBST(SQLITE3)
3054 AC_SUBST(X11)
3055 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3056 AC_SUBST(arch_target)
3057 AC_SUBST(CFLAGS)
3058 AC_SUBST(CPPFLAGS)
3059 AC_SUBST(LDFLAGS)
3060
3061 mono_build_root=`pwd`
3062 AC_SUBST(mono_build_root)
3063
3064 if test x$USEJIT = xtrue; then
3065   mono_runtime=mono/mini/mono
3066 else
3067   mono_runtime=mono/interpreter/mint
3068 fi
3069 AC_SUBST(mono_runtime)
3070
3071 mono_cfg_root=$mono_build_root/runtime
3072 if test x$host_win32 = xyes; then
3073   if test "x$cross_compiling" = "xno"; then
3074     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3075   else
3076     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3077   fi
3078 else
3079   mono_cfg_dir=$mono_cfg_root/etc
3080 fi
3081 AC_SUBST(mono_cfg_dir)
3082
3083 AC_CONFIG_FILES([po/mcs/Makefile.in])
3084
3085 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3086 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3087
3088 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3089 [   depth=../../../..
3090     case $srcdir in
3091     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3092     .) reldir=$depth ;;
3093     *) reldir=$depth/$srcdir ;;
3094     esac
3095     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3096     cd runtime/etc/mono/1.0
3097     rm -f machine.config
3098     $LN_S $reldir/data/net_1_1/machine.config machine.config
3099     cd $depth
3100 ],[LN_S='$LN_S'])
3101
3102 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3103 [   depth=../../../..
3104     case $srcdir in
3105     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3106     .) reldir=$depth ;;
3107     *) reldir=$depth/$srcdir ;;
3108     esac
3109     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3110     cd runtime/etc/mono/2.0
3111     rm -f machine.config
3112     $LN_S $reldir/data/net_2_0/machine.config machine.config
3113     cd $depth
3114 ],[LN_S='$LN_S'])
3115
3116 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3117 [   depth=../../../..
3118     case $srcdir in
3119     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3120     .) reldir=$depth ;;
3121     *) reldir=$depth/$srcdir ;;
3122     esac
3123     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3124     cd runtime/etc/mono/2.0
3125     rm -f web.config
3126     $LN_S $reldir/data/net_2_0/web.config web.config
3127     cd $depth
3128 ],[LN_S='$LN_S'])
3129
3130 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3131 [   depth=../../..
3132     case $srcdir in
3133     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3134     .) reldir=$depth ;;
3135     *) reldir=$depth/$srcdir ;;
3136     esac
3137     $ac_aux_dir/install-sh -d runtime/etc/mono/
3138     cd runtime/etc/mono/
3139     rm -f browscap.ini
3140     $LN_S $reldir/data/browscap.ini browscap.ini
3141     cd $depth
3142 ],[LN_S='$LN_S'])
3143
3144 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3145 [   depth=../../../../..
3146     case $srcdir in
3147     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3148     .) reldir=$depth ;;
3149     *) reldir=$depth/$srcdir ;;
3150     esac
3151     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3152     cd runtime/etc/mono/2.0/Browsers
3153     rm -f Compat.browser
3154     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3155     cd $depth
3156 ],[LN_S='$LN_S'])
3157
3158 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3159 [   depth=../../../..
3160     case $srcdir in
3161     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3162     .) reldir=$depth ;;
3163     *) reldir=$depth/$srcdir ;;
3164     esac
3165     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3166     cd runtime/etc/mono/4.0
3167     rm -f machine.config
3168     $LN_S $reldir/data/net_4_0/machine.config machine.config
3169     cd $depth
3170 ],[LN_S='$LN_S'])
3171
3172 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3173 [   depth=../../../..
3174     case $srcdir in
3175     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3176     .) reldir=$depth ;;
3177     *) reldir=$depth/$srcdir ;;
3178     esac
3179     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3180     cd runtime/etc/mono/4.0
3181     rm -f web.config
3182     $LN_S $reldir/data/net_4_0/web.config web.config
3183     cd $depth
3184 ],[LN_S='$LN_S'])
3185
3186 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3187 [   depth=../../../..
3188     case $srcdir in
3189     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3190     .) reldir=$depth ;;
3191     *) reldir=$depth/$srcdir ;;
3192     esac
3193     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3194     cd runtime/etc/mono/4.5
3195     rm -f machine.config
3196     $LN_S $reldir/data/net_4_5/machine.config machine.config
3197     cd $depth
3198 ],[LN_S='$LN_S'])
3199
3200 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3201 [   depth=../../../..
3202     case $srcdir in
3203     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3204     .) reldir=$depth ;;
3205     *) reldir=$depth/$srcdir ;;
3206     esac
3207     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3208     cd runtime/etc/mono/4.5
3209     rm -f web.config
3210     $LN_S $reldir/data/net_4_5/web.config web.config
3211     cd $depth
3212 ],[LN_S='$LN_S'])
3213
3214 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])
3215
3216 AC_OUTPUT([
3217 Makefile
3218 mono-core.spec
3219 mono-uninstalled.pc
3220 scripts/mono-find-provides
3221 scripts/mono-find-requires
3222 mono/Makefile
3223 mono/utils/Makefile
3224 mono/metadata/Makefile
3225 mono/dis/Makefile
3226 mono/cil/Makefile
3227 mono/arch/Makefile
3228 mono/arch/x86/Makefile
3229 mono/arch/amd64/Makefile
3230 mono/arch/hppa/Makefile
3231 mono/arch/ppc/Makefile
3232 mono/arch/sparc/Makefile
3233 mono/arch/s390/Makefile
3234 mono/arch/s390x/Makefile
3235 mono/arch/arm/Makefile
3236 mono/arch/alpha/Makefile
3237 mono/arch/ia64/Makefile
3238 mono/arch/mips/Makefile
3239 mono/interpreter/Makefile
3240 mono/tests/Makefile
3241 mono/tests/tests-config
3242 mono/tests/assemblyresolve/Makefile
3243 mono/tests/cas/Makefile
3244 mono/tests/cas/assembly/Makefile
3245 mono/tests/cas/demand/Makefile
3246 mono/tests/cas/inheritance/Makefile
3247 mono/tests/cas/linkdemand/Makefile
3248 mono/tests/cas/threads/Makefile
3249 mono/benchmark/Makefile
3250 mono/monograph/Makefile
3251 mono/io-layer/Makefile
3252 mono/mini/Makefile
3253 mono/profiler/Makefile
3254 m4/Makefile
3255 ikvm-native/Makefile
3256 scripts/Makefile
3257 man/Makefile
3258 docs/Makefile
3259 data/Makefile
3260 data/net_2_0/Makefile
3261 data/net_4_0/Makefile
3262 data/net_4_5/Makefile
3263 data/net_2_0/Browsers/Makefile
3264 data/mint.pc
3265 data/mono-2.pc
3266 data/monosgen-2.pc
3267 data/mono.pc
3268 data/mono-cairo.pc
3269 data/mono-nunit.pc
3270 data/mono-options.pc
3271 data/mono-lineeditor.pc
3272 data/monodoc.pc
3273 data/mono.web.pc
3274 data/dotnet.pc
3275 data/dotnet35.pc
3276 data/wcf.pc
3277 data/cecil.pc
3278 data/system.web.extensions_1.0.pc
3279 data/system.web.extensions.design_1.0.pc
3280 data/system.web.mvc.pc
3281 data/system.web.mvc2.pc
3282 data/system.web.mvc3.pc
3283 data/aspnetwebstack.pc
3284 samples/Makefile
3285 support/Makefile
3286 data/config
3287 tools/Makefile
3288 tools/locale-builder/Makefile
3289 tools/sgen/Makefile
3290 runtime/Makefile
3291 msvc/Makefile
3292 po/Makefile
3293 ])
3294
3295 # Update all submodules recursively to ensure everything is checked out
3296 $srcdir/scripts/update_submodules
3297
3298 if test x$host_win32 = xyes; then
3299    # Get rid of 'cyg' prefixes in library names
3300    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3301    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3302    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3303    # executable doesn't work...
3304    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3305 fi
3306
3307 (
3308   case $prefix in
3309   NONE) prefix=$ac_default_prefix ;;
3310   esac
3311   case $exec_prefix in
3312   NONE) exec_prefix='${prefix}' ;;
3313   esac
3314
3315   #
3316   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3317   # any existing config.make.  This allows people to share the same source tree
3318   # with different build directories, one native and one cross
3319   #
3320   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3321
3322     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3323
3324     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3325     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3326     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3327     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3328     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3329     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3330     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3331     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3332
3333     case $INSTALL in
3334     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3335     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3336     esac
3337
3338     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3339
3340     export VERSION
3341     [myver=$($AWK 'BEGIN {
3342       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3343       if(length(vsplit [1]) > 4) {
3344         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3345       }
3346       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3347     }')]
3348
3349     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3350
3351     if test x$platform_darwin = xyes; then
3352       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3353     fi
3354
3355         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3356            enable_system_aot=yes
3357         fi
3358
3359         if test "x$enable_loadedllvm" = "xyes"; then
3360            # This seems to fail on the x86 buildbots
3361            enable_system_aot=no
3362         fi
3363
3364     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3365       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3366     fi
3367
3368     if test x$DISABLE_MCS_DOCS = xyes; then
3369       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3370     fi
3371
3372     if test x$with_moonlight != xno; then
3373       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3374     fi
3375
3376         default_profile=net_2_0
3377     if test -z "$INSTALL_4_0_TRUE"; then :
3378                 default_profile=net_4_0
3379     fi
3380     if test -z "$INSTALL_MONODROID_TRUE"; then :
3381                 default_profile=monodroid
3382     fi
3383     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3384                 default_profile=monotouch
3385     fi
3386     if test -z "$INSTALL_4_5_TRUE"; then :
3387                 default_profile=net_4_5
3388     fi
3389
3390     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3391
3392     if test "x$test_bcl_opt" = "xyes"; then
3393       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3394     fi
3395
3396   fi
3397
3398   # if we have an olive folder, override the default settings
3399   if test -d $olivedir; then
3400
3401     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3402
3403       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3404
3405       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3406       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3407       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3408       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3409       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3410       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3411     fi
3412   fi
3413
3414 )
3415
3416 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3417
3418 echo "
3419         mcs source:    $mcsdir
3420
3421    Engine:
3422         GC:            $gc_msg
3423         TLS:           $with_tls
3424         SIGALTSTACK:   $with_sigaltstack
3425         Engine:        $jit_status
3426         oprofile:      $OPROFILE
3427         BigArrays:     $enable_big_arrays
3428         DTrace:        $enable_dtrace
3429         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3430
3431    Libraries:
3432         .NET 2.0/3.5:  $with_profile2
3433         .NET 4.0:      $with_profile4
3434         .NET 4.5:      $with_profile4_5
3435         MonoDroid:     $with_monodroid
3436         MonoTouch:     $with_monotouch
3437         JNI support:   $jdk_headers_found
3438         libgdiplus:    $libgdiplus_msg
3439         zlib:          $zlib_msg
3440         $disabled
3441 "
3442 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3443    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3444 fi