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