configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.7],
   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 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # 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 -L/usr/local/lib"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176                 use_sigposix=yes
 177                 ;;
 178         *-*-*openbsd*)
 179                 host_win32=no
 180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 181                 if test "x$disable_munmap" != "xyes"; then
 182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 183                 fi
 184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 185                 LDFLAGS="$LDFLAGS -pthread"
 186                 need_link_unlink=yes
 187                 AC_DEFINE(PTHREAD_POINTER_ID)
 188                 libdl=
 189                 gc_default=boehm
 190                 libgc_threads=pthreads
 191                 with_sigaltstack=no
 192                 use_sigposix=yes
 193                 ;;
 194         *-*-linux-android*)
 195                 host_win32=no
 196                 platform_android=yes
 197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 199
 200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 201                 if test "x$disable_munmap" != "xyes"; then
 202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 203                 fi
 204                 libmono_cflags="-D_REENTRANT"
 205                 libdl="-ldl"
 206                 libgc_threads=pthreads
 207                 use_sigposix=yes
 208
 209                 with_tls=pthread
 210                 with_sigaltstack=no
 211                 with_static_mono=no
 212
 213                 # Android doesn't support boehm, as it's missing <link.h>
 214                 support_boehm=no
 215                 with_gc=sgen
 216
 217                 # isinf(3) requires -lm; see isinf check below
 218                 LDFLAGS="$LDFLAGS -lm"
 219
 220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 225
 226                 # to bypass the underscore linker check, can't work when cross-compiling
 227                 mono_cv_uscore=yes
 228                 mono_cv_clang=no
 229                 ;;
 230         *-*-linux*)
 231                 host_win32=no
 232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 233                 if test "x$disable_munmap" != "xyes"; then
 234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 235                 fi
 236                 libmono_cflags="-D_REENTRANT"
 237                 libdl="-ldl"
 238                 libgc_threads=pthreads
 239                 use_sigposix=yes
 240                 if test "x$cross_compiling" != "xno"; then
 241                         # to bypass the underscore linker check, not
 242                         # available during cross-compilation
 243                         mono_cv_uscore=no
 244                 fi
 245                 ;;
 246         *-*-nacl*)
 247                 host_win32=no
 248                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 249                 if test "x$disable_munmap" != "xyes"; then
 250                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 251                 fi
 252                 libmono_cflags="-D_REENTRANT"
 253                 libdl=
 254                 libgc_threads=pthreads
 255                 gc_default=boehm
 256                 use_sigposix=yes
 257                 ikvm_native=no
 258                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 259                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 260                 ;;
 261         *-*-hpux*)
 262                 host_win32=no
 263                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 264                 # +ESdbgasm only valid on bundled cc on RISC
 265                 # silently ignored for ia64
 266                 if test $GCC != "yes"; then
 267                         CFLAGS="$CFLAGS +ESdbgasm"
 268                         # Arrange for run-time dereferencing of null
 269                         # pointers to produce a SIGSEGV signal.
 270                         LDFLAGS="$LDFLAGS -z"
 271                 fi
 272                 CFLAGS="$CFLAGS +ESdbgasm"
 273                 LDFLAGS="$LDFLAGS -z"
 274                 libmono_cflags="-D_REENTRANT"
 275                 libmono_ldflags="-lpthread"
 276                 libgc_threads=pthreads
 277                 need_link_unlink=yes
 278                 use_sigposix=yes
 279                 ;;
 280         *-*-solaris*)
 281                 host_win32=no
 282                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 283                 need_link_unlink=yes
 284                 libmono_cflags="-D_REENTRANT"
 285                 libgc_threads=pthreads
 286                 # This doesn't seem to work on solaris/x86, but the configure test runs
 287                 with_tls=pthread
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_win32=no
 295                 platform_darwin=yes
 296                 target_mach=yes
 297                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 298                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 299                 libmono_cflags="-D_THREAD_SAFE"
 300                 need_link_unlink=yes
 301                 AC_DEFINE(PTHREAD_POINTER_ID)
 302                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 303                 no_version_script=yes
 304                 libdl=
 305                 libgc_threads=pthreads
 306                 has_dtrace=yes
 307                 if test "x$cross_compiling" = "xyes"; then
 308                         has_broken_apple_cpp=yes
 309                 fi
 310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 313                 case "$host" in
 314                         dnl Snow Leopard and newer config.guess reports as this
 315                         i*86-*-darwin*)
 316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 317                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 322                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 323                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 324                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 325                                 ;;
 326                         arm*-darwin*)
 327                                 has_dtrace=no
 328                                 ;;
 329                 esac
 330                 ;;
 331         *-*-haiku*)
 332                 host_win32=no
 333                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 334                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 335                 libdl=
 336                 LIBS="$LIBS -lnetwork"
 337                 need_link_unlink=yes
 338                 AC_DEFINE(PTHREAD_POINTER_ID)
 339                 libgc_threads=pthreads
 340                 use_sigposix=yes
 341                 ;;
 342         *)
 343                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 344                 host_win32=no
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 355 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 356 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 357 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 358 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 359 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 360
 361 AC_CHECK_TOOL(CC, gcc, gcc)
 362 AC_PROG_CC
 363 AC_CHECK_TOOL(CXX, g++, g++)
 364 AC_PROG_CXX
 365 AM_PROG_AS
 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 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 564
 565 #
 566 # A sanity check to catch cases where the package was unpacked
 567 # with an ancient tar program (Solaris)
 568 #
 569 AC_ARG_ENABLE(solaris-tar-check,
 570 [  --disable-solaris-tar-check    disable solaris tar check],
 571    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 572
 573 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 574         AC_MSG_CHECKING(integrity of package)
 575         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 576         then
 577                 AC_MSG_RESULT(ok)
 578         else
 579                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 580                 AC_MSG_ERROR([$errorm])
 581         fi
 582 fi
 583
 584 if test "x$with_mcs_path" != "x"; then
 585 mcs_topdir=$(cd "$mcsdir" && pwd)
 586 mcs_topdir_from_srcdir=$mcs_topdir
 587 else
 588 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 589 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 590 fi
 591
 592 # Convert mcs_topdir* paths to Windows syntax.
 593 if test x$cross_compiling$host_win32 = xnoyes; then
 594   mcs_topdir=$(cygpath -m $mcs_topdir)
 595   case $mcs_topdir_from_srcdir in
 596     /cygdrive/*)
 597         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 598         ;;
 599   esac
 600 fi
 601
 602 AC_SUBST([mcs_topdir])
 603 AC_SUBST([mcs_topdir_from_srcdir])
 604
 605 # Where's the 'olive' source tree?
 606 if test -d $srcdir/olive; then
 607   olivedir=olive
 608 else
 609   olivedir=../olive
 610 fi
 611
 612 if test -d $srcdir/$olivedir; then
 613 olive_topdir='$(top_srcdir)/'$olivedir
 614 fi
 615
 616 # gettext: prepare the translation directories.
 617 # we do not configure the full gettext, as we consume it dynamically from C#
 618 AM_PO_SUBDIRS
 619
 620 if test "x$USE_NLS" = "xyes"; then
 621    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 622
 623    if test "x$HAVE_MSGFMT" = "xno"; then
 624           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 625    fi
 626 fi
 627
 628 AC_ARG_WITH([libgdiplus],
 629         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 630         [], [with_libgdiplus=installed])
 631
 632 case $with_libgdiplus in
 633 no|installed) libgdiplus_loc= ;;
 634 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 635 /*) libgdiplus_loc=$with_libgdiplus ;;
 636 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 637 esac
 638 AC_SUBST([libgdiplus_loc])
 639
 640 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 641
 642 pkg_config_path=
 643 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 644         if test x$with_crosspkgdir = "x"; then
 645                 if test -s $PKG_CONFIG_PATH; then
 646                         pkg_config_path=$PKG_CONFIG_PATH
 647                 fi
 648         else
 649                 pkg_config_path=$with_crosspkgdir
 650                 PKG_CONFIG_PATH=$pkg_config_path
 651                 export PKG_CONFIG_PATH
 652         fi
 653 )
 654
 655 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 656 AC_CONFIG_SUBDIRS(eglib)
 657
 658 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 659 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 660 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 661 BUILD_GLIB_LIBS="$GLIB_LIBS"
 662 GMODULE_CFLAGS="$GLIB_CFLAGS"
 663 GMODULE_LIBS="$GLIB_LIBS"
 664
 665 AC_SUBST(GLIB_CFLAGS)
 666 AC_SUBST(GLIB_LIBS)
 667 AC_SUBST(GMODULE_CFLAGS)
 668 AC_SUBST(GMODULE_LIBS)
 669 AC_SUBST(BUILD_GLIB_CFLAGS)
 670 AC_SUBST(BUILD_GLIB_LIBS)
 671
 672 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 673
 674 # Enable support for fast thread-local storage
 675 # Some systems have broken support, so we allow to disable it.
 676 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 677
 678 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 679 # This does not work on some platforms (bug #55253)
 680 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 681
 682 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 683 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 684 # Same as --with-shared_mono=no
 685 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 686
 687 if test "x$enable_static" = "xno"; then
 688    with_static_mono=no
 689 fi
 690
 691 if test "x$enable_shared" = "xno"; then
 692    with_shared_mono=no
 693 fi
 694
 695 if test "x$enable_libraries" = "xno"; then
 696    with_shared_mono=no
 697 fi
 698
 699 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 700
 701 case $host in
 702 *nacl* ) with_shared_mono=yes;;
 703 esac
 704
 705 if test "x$host_win32" = "xyes"; then
 706    # Boehm GC requires the runtime to be in its own dll
 707    with_static_mono=no
 708 fi
 709
 710 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 711 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 712 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 713
 714 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 715 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 716         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 717         ORIG_CFLAGS=$CFLAGS
 718         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 719         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 720         AC_TRY_COMPILE([], [
 721                 return 0;
 722         ], [
 723            AC_MSG_RESULT(yes)
 724            # Pass it to libgc as well
 725            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 726         ], [
 727            AC_MSG_RESULT(no)
 728            CFLAGS=$ORIG_CFLAGS
 729         ])
 730 fi
 731
 732 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 733
 734 if test x$enable_small_config = xyes; then
 735         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 736         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 737 fi
 738
 739 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=$enableval, enable_system_aot=default)
 740
 741 DISABLED_FEATURES=none
 742
 743 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 744      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 745      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 746          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 747 [
 748         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 749                 eval "mono_feature_disable_$feature='yes'"
 750         done
 751         DISABLED_FEATURES=$enable_minimal
 752         disabled="Disabled:      $enable_minimal"
 753 ],[])
 754
 755 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 756
 757 if test "x$mono_feature_disable_aot" = "xyes"; then
 758         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 759         AC_MSG_NOTICE([Disabled AOT compiler])
 760 fi
 761
 762 if test "x$mono_feature_disable_profiler" = "xyes"; then
 763         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 764         AC_MSG_NOTICE([Disabled support for the profiler])
 765 fi
 766 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 767
 768 if test "x$mono_feature_disable_decimal" = "xyes"; then
 769         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 770         AC_MSG_NOTICE([Disabled support for decimal])
 771 fi
 772
 773 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 774         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 775         AC_MSG_NOTICE([Disabled support for P/Invoke])
 776 fi
 777
 778 if test "x$mono_feature_disable_debug" = "xyes"; then
 779         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 780         AC_MSG_NOTICE([Disabled support for runtime debugging])
 781 fi
 782
 783 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 784         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 785         mono_feature_disable_reflection_emit_save=yes
 786         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 787 fi
 788
 789 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 790         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 791         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 792 fi
 793
 794 if test "x$mono_feature_disable_large_code" = "xyes"; then
 795         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 796         AC_MSG_NOTICE([Disabled support for large assemblies])
 797 fi
 798
 799 if test "x$mono_feature_disable_logging" = "xyes"; then
 800         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 801         AC_MSG_NOTICE([Disabled support for logging])
 802 fi
 803
 804 if test "x$mono_feature_disable_com" = "xyes"; then
 805         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 806         AC_MSG_NOTICE([Disabled COM support])
 807 fi
 808
 809 if test "x$mono_feature_disable_ssa" = "xyes"; then
 810         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 811         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 812 fi
 813
 814 if test "x$mono_feature_disable_generics" = "xyes"; then
 815         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 816         AC_MSG_NOTICE([Disabled Generics Support])
 817 fi
 818
 819 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 820         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 821         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 822 fi
 823
 824 if test "x$mono_feature_disable_portability" = "xyes"; then
 825         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 826         AC_MSG_NOTICE([Disabled IO Portability layer])
 827 fi
 828
 829 if test "x$mono_feature_disable_attach" = "xyes"; then
 830         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 831         AC_MSG_NOTICE([Disabled agent attach])
 832 fi
 833
 834 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 835         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 836         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 837 fi
 838
 839 if test "x$mono_feature_disable_verifier" = "xyes"; then
 840         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 841         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 842 fi
 843
 844 if test "x$mono_feature_disable_jit" = "xyes"; then
 845         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 846         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 847 fi
 848
 849 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 850
 851 if test "x$mono_feature_disable_simd" = "xyes"; then
 852         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 853         AC_MSG_NOTICE([Disabled SIMD support])
 854 fi
 855
 856 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 857         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 858         AC_MSG_NOTICE([Disabled Soft Debugger.])
 859 fi
 860
 861 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 862         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 863         AC_MSG_NOTICE([Disabled Performance Counters.])
 864 fi
 865 if test "x$mono_feature_disable_normalization" = "xyes"; then
 866         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 867         AC_MSG_NOTICE([Disabled String normalization support.])
 868 fi
 869
 870 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 871         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 872         AC_MSG_NOTICE([Disabled Assembly remapping.])
 873 fi
 874
 875 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 876         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 877         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 878 fi
 879
 880 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 881         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 882         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 883 fi
 884
 885 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 886         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 887         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 888 fi
 889
 890 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 891         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 892         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 893 fi
 894
 895 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 896         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 897         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 898 fi
 899
 900 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 902         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 903 fi
 904
 905 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 906         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 907         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 908 fi
 909
 910 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 911 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 912
 913 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
 914 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 915
 916 if test x$has_extension_module != xno ; then
 917         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 918         AC_MSG_NOTICE([Enabling mono extension module.])
 919 fi
 920
 921
 922 AC_MSG_CHECKING(for visibility __attribute__)
 923 AC_COMPILE_IFELSE([
 924         AC_LANG_SOURCE([[
 925                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 926                 int main () { doit (); return 0; }
 927         ]])
 928 ], [
 929    have_visibility_hidden=yes
 930    AC_MSG_RESULT(yes)
 931 ], [
 932    have_visibility_hidden=no
 933    AC_MSG_RESULT(no)
 934 ])
 935
 936 AC_MSG_CHECKING(for deprecated __attribute__)
 937 AC_TRY_COMPILE([
 938      int doit (void) __attribute__ ((deprecated));
 939      int doit (void) { return 0; }
 940 ], [
 941         return 0;
 942 ], [
 943    have_deprecated=yes
 944    AC_MSG_RESULT(yes)
 945 ], [
 946    have_deprecated=no
 947    AC_MSG_RESULT(no)
 948 ])
 949
 950 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 951 if test x$enable_parallel_mark = xyes; then
 952         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 953 fi
 954
 955 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 956 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 957
 958 dnl
 959 dnl Boehm GC configuration
 960 dnl
 961 LIBGC_CPPFLAGS=
 962 LIBGC_LIBS=
 963 LIBGC_STATIC_LIBS=
 964 libgc_dir=
 965 case "x$gc" in
 966         xboehm|xbohem|xyes)
 967                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 968                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 969
 970                 if test "x$found_boehm" != "xyes"; then
 971                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 972                 fi
 973                 if test "x$gc_headers" != "xyes"; then
 974                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 975                 fi
 976
 977                 LIBGC_LIBS="-lgc $libdl"
 978                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 979                 libmono_ldflags="$libmono_ldflags -lgc"
 980                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 981
 982                 # AC_CHECK_FUNCS does not work for some reason...
 983                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 984                 if test "x$found_gcj_malloc" = "xyes"; then
 985                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 986                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 987                         gc_msg="System Boehm with typed GC"
 988                 else
 989                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 990                         gc_msg="System Boehm (without typed GC)"
 991                 fi
 992                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 993                 if test "x$found_gc_enable" = "xyes"; then
 994                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 995                 fi
 996
 997                 # check whether we need to explicitly allow
 998                 # thread registering
 999                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1000                 if test "x$found_allow_register_threads" = "xyes"; then
1001                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1002                 fi
1003
1004                 ;;
1005
1006         xincluded)
1007                 use_included_gc=yes
1008                 libgc_dir=libgc
1009
1010                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1011                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1012                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1013
1014                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1015
1016                 gc_msg="bundled Boehm GC with typed GC"
1017                 if test x$enable_parallel_mark = xyes; then
1018                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1019                         gc_msg="$gc_msg and parallel mark"
1020                 else
1021                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1022                 fi
1023                 ;;
1024
1025         xsgen)
1026                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1027                 ;;
1028
1029         xnone)
1030                 AC_MSG_WARN("Compiling mono without GC.")
1031                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1032                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1033                 ;;
1034         *)
1035                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1036                 ;;
1037 esac
1038
1039 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1040 if test "x$large_heap" = "xyes"; then
1041    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1042 fi
1043
1044 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1045 AC_SUBST(LIBGC_CPPFLAGS)
1046 AC_SUBST(LIBGC_LIBS)
1047 AC_SUBST(LIBGC_STATIC_LIBS)
1048 AC_SUBST(libgc_dir)
1049 AC_SUBST(BOEHM_DEFINES)
1050
1051 dnl
1052 dnl End of libgc checks
1053 dnl
1054
1055 dnl *************************************
1056 dnl *** Checks for zero length arrays ***
1057 dnl *************************************
1058 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1059 AC_TRY_COMPILE([
1060         struct s {
1061                 int  length;
1062                 char data [0];
1063         };
1064 ], [], [
1065         AC_MSG_RESULT(yes)
1066         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1067 ], [
1068         AC_MSG_RESULT(no)
1069         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1070 ])
1071
1072 if test x$target_win32 = xno; then
1073
1074         dnl hires monotonic clock support
1075         AC_SEARCH_LIBS(clock_gettime, rt)
1076
1077         dnl dynamic loader support
1078         AC_CHECK_FUNC(dlopen, DL_LIB="",
1079                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1080         )
1081         if test x$dl_support = xno; then
1082                 AC_MSG_WARN([No dynamic loading support available])
1083         else
1084                 LIBS="$LIBS $DL_LIB"
1085                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1086                 dnl from glib's configure.in
1087                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1088                         mono_cv_uscore,[
1089                         AC_TRY_RUN([#include <dlfcn.h>
1090                         int mono_underscore_test (void) { return 42; }
1091                         int main() {
1092                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1093                           handle = dlopen ((void*)0, 0);
1094                           if (handle) {
1095                             f1 = dlsym (handle, "mono_underscore_test");
1096                             f2 = dlsym (handle, "_mono_underscore_test");
1097                           } return (!f2 || f1);
1098                         }],
1099                                 [mono_cv_uscore=yes],
1100                                 [mono_cv_uscore=no],
1101                         [])
1102                 ])
1103                 if test "x$mono_cv_uscore" = "xyes"; then
1104                         MONO_DL_NEED_USCORE=1
1105                 else
1106                         MONO_DL_NEED_USCORE=0
1107                 fi
1108                 AC_SUBST(MONO_DL_NEED_USCORE)
1109                 AC_CHECK_FUNC(dlerror)
1110         fi
1111
1112         dnl ******************************************************************
1113         dnl *** Checks for the IKVM JNI interface library                  ***
1114         dnl ******************************************************************
1115         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])
1116
1117         ikvm_native_dir=
1118         if test x$with_ikvm_native = xyes; then
1119                 ikvm_native_dir=ikvm-native
1120                 jdk_headers_found="IKVM Native"
1121         fi
1122
1123         AC_SUBST(ikvm_native_dir)
1124
1125         AC_CHECK_HEADERS(execinfo.h)
1126
1127         AC_CHECK_FUNCS(getgrgid_r)
1128         AC_CHECK_FUNCS(getgrnam_r)
1129         AC_CHECK_FUNCS(getpwnam_r)
1130         AC_CHECK_FUNCS(getpwuid_r)
1131         AC_CHECK_FUNCS(getresuid)
1132         AC_CHECK_FUNCS(setresuid)
1133         AC_CHECK_FUNCS(kqueue)
1134         AC_CHECK_FUNCS(backtrace_symbols)
1135         AC_CHECK_FUNCS(mkstemp)
1136         AC_CHECK_FUNCS(mmap)
1137         AC_CHECK_FUNCS(madvise)
1138         AC_CHECK_FUNCS(getrusage)
1139         AC_CHECK_FUNCS(getpriority)
1140         AC_CHECK_FUNCS(setpriority)
1141         AC_CHECK_FUNCS(dl_iterate_phdr)
1142         AC_CHECK_FUNCS(dladdr)
1143         AC_CHECK_FUNCS(sysconf)
1144
1145         AC_CHECK_FUNCS(sched_setaffinity)
1146         AC_CHECK_FUNCS(sched_getcpu)
1147
1148         dnl ****************************************************************
1149         dnl *** Check for sched_setaffinity from glibc versions before   ***
1150         dnl *** 2.3.4. The older versions of the function only take 2    ***
1151         dnl *** parameters, not 3.                                       ***
1152         dnl ***                                                          ***
1153         dnl *** Because the interface change was not made in a minor     ***
1154         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1155         dnl *** won't always indicate the interface sched_affinity has.  ***
1156         dnl ****************************************************************
1157         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1158         AC_TRY_COMPILE([#include <sched.h>], [
1159             int mask = 1;
1160             sched_setaffinity(0, &mask);
1161                         return 0;
1162         ], [
1163                 # Yes, we have it...
1164                 AC_MSG_RESULT(yes)
1165                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1166         ], [
1167                 # We have the new, three-parameter version
1168                 AC_MSG_RESULT(no)
1169         ])
1170
1171
1172         dnl ******************************************************************
1173         dnl *** Check for large file support                               ***
1174         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1175         dnl ******************************************************************
1176
1177         # Check that off_t can represent 2**63 - 1 correctly, working around
1178         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1179         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1180         large_offt=no
1181         AC_DEFUN([LARGE_FILES], [
1182                 large_CPPFLAGS=$CPPFLAGS
1183                 CPPFLAGS="$CPPFLAGS $1"
1184                 AC_TRY_COMPILE([
1185                         #include <sys/types.h>
1186                         #include <limits.h>
1187                 ], [
1188                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1189                         #define COMPILE_TIME_ASSERT(pred) \
1190                                 switch(0){case 0:case pred:;}
1191                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1192                 ], [
1193                         AC_MSG_RESULT(ok)
1194                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1195                         large_CPPFLAGS="$large_CPPFLAGS $1"
1196                         large_offt=yes
1197                 ], [
1198                         AC_MSG_RESULT(no)
1199                 ])
1200                 CPPFLAGS=$large_CPPFLAGS
1201         ])
1202
1203         AC_MSG_CHECKING(if off_t is 64 bits wide)
1204         LARGE_FILES("")
1205         if test $large_offt = no; then
1206                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1207                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1208         fi
1209         if test $large_offt = no; then
1210                 AC_MSG_WARN([No 64 bit file size support available])
1211         fi
1212
1213         dnl *****************************
1214         dnl *** Checks for libsocket  ***
1215         dnl *****************************
1216         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1217
1218         case "$host" in
1219                 *-*-*freebsd*)
1220                         dnl *****************************
1221                         dnl *** Checks for libinotify ***
1222                         dnl *****************************
1223                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1224         esac
1225
1226         dnl *******************************
1227         dnl *** Checks for MSG_NOSIGNAL ***
1228         dnl *******************************
1229         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1230         AC_TRY_COMPILE([#include <sys/socket.h>], [
1231                 int f = MSG_NOSIGNAL;
1232         ], [
1233                 # Yes, we have it...
1234                 AC_MSG_RESULT(yes)
1235                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1236         ], [
1237                 # We'll have to use signals
1238                 AC_MSG_RESULT(no)
1239         ])
1240
1241         dnl *****************************
1242         dnl *** Checks for IPPROTO_IP ***
1243         dnl *****************************
1244         AC_MSG_CHECKING(for IPPROTO_IP)
1245         AC_TRY_COMPILE([#include <netinet/in.h>], [
1246                 int level = IPPROTO_IP;
1247         ], [
1248                 # Yes, we have it...
1249                 AC_MSG_RESULT(yes)
1250                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1251         ], [
1252                 # We'll have to use getprotobyname
1253                 AC_MSG_RESULT(no)
1254         ])
1255
1256         dnl *******************************
1257         dnl *** Checks for IPPROTO_IPV6 ***
1258         dnl *******************************
1259         AC_MSG_CHECKING(for IPPROTO_IPV6)
1260         AC_TRY_COMPILE([#include <netinet/in.h>], [
1261                 int level = IPPROTO_IPV6;
1262         ], [
1263                 # Yes, we have it...
1264                 AC_MSG_RESULT(yes)
1265                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1266         ], [
1267                 # We'll have to use getprotobyname
1268                 AC_MSG_RESULT(no)
1269         ])
1270
1271         dnl ******************************
1272         dnl *** Checks for IPPROTO_TCP ***
1273         dnl ******************************
1274         AC_MSG_CHECKING(for IPPROTO_TCP)
1275         AC_TRY_COMPILE([#include <netinet/in.h>], [
1276                 int level = IPPROTO_TCP;
1277         ], [
1278                 # Yes, we have it...
1279                 AC_MSG_RESULT(yes)
1280                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1281         ], [
1282                 # We'll have to use getprotobyname
1283                 AC_MSG_RESULT(no)
1284         ])
1285
1286         dnl *****************************
1287         dnl *** Checks for SOL_IP     ***
1288         dnl *****************************
1289         AC_MSG_CHECKING(for SOL_IP)
1290         AC_TRY_COMPILE([#include <netdb.h>], [
1291                 int level = SOL_IP;
1292         ], [
1293                 # Yes, we have it...
1294                 AC_MSG_RESULT(yes)
1295                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1296         ], [
1297                 # We'll have to use getprotobyname
1298                 AC_MSG_RESULT(no)
1299         ])
1300
1301         dnl *****************************
1302         dnl *** Checks for SOL_IPV6     ***
1303         dnl *****************************
1304         AC_MSG_CHECKING(for SOL_IPV6)
1305         AC_TRY_COMPILE([#include <netdb.h>], [
1306                 int level = SOL_IPV6;
1307         ], [
1308                 # Yes, we have it...
1309                 AC_MSG_RESULT(yes)
1310                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1311         ], [
1312                 # We'll have to use getprotobyname
1313                 AC_MSG_RESULT(no)
1314         ])
1315
1316         dnl *****************************
1317         dnl *** Checks for SOL_TCP    ***
1318         dnl *****************************
1319         AC_MSG_CHECKING(for SOL_TCP)
1320         AC_TRY_COMPILE([#include <netdb.h>], [
1321                 int level = SOL_TCP;
1322         ], [
1323                 # Yes, we have it...
1324                 AC_MSG_RESULT(yes)
1325                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1326         ], [
1327                 # We'll have to use getprotobyname
1328                 AC_MSG_RESULT(no)
1329         ])
1330
1331         dnl *****************************
1332         dnl *** Checks for IP_PKTINFO ***
1333         dnl *****************************
1334         AC_MSG_CHECKING(for IP_PKTINFO)
1335         AC_TRY_COMPILE([#include <linux/in.h>], [
1336                 int level = IP_PKTINFO;
1337         ], [
1338                 # Yes, we have it...
1339                 AC_MSG_RESULT(yes)
1340                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1341         ], [
1342                 AC_MSG_RESULT(no)
1343         ])
1344
1345         dnl *****************************
1346         dnl *** Checks for IPV6_PKTINFO ***
1347         dnl *****************************
1348         AC_MSG_CHECKING(for IPV6_PKTINFO)
1349         AC_TRY_COMPILE([#include <netdb.h>], [
1350                 int level = IPV6_PKTINFO;
1351         ], [
1352                 # Yes, we have it...
1353                 AC_MSG_RESULT(yes)
1354                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1355         ], [
1356                 AC_MSG_RESULT(no)
1357         ])
1358
1359         dnl **********************************
1360         dnl *** Checks for IP_DONTFRAG     ***
1361         dnl **********************************
1362         AC_MSG_CHECKING(for IP_DONTFRAG)
1363         AC_TRY_COMPILE([#include <netinet/in.h>], [
1364                 int level = IP_DONTFRAG;
1365         ], [
1366                 # Yes, we have it...
1367                 AC_MSG_RESULT(yes)
1368                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1369         ], [
1370                 AC_MSG_RESULT(no)
1371         ])
1372
1373         dnl **********************************
1374         dnl *** Checks for IP_DONTFRAGMENT ***
1375         dnl **********************************
1376         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1377         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1378                 int level = IP_DONTFRAGMENT;
1379         ], [
1380                 # Yes, we have it...
1381                 AC_MSG_RESULT(yes)
1382                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1383         ], [
1384                 AC_MSG_RESULT(no)
1385         ])
1386
1387         dnl **********************************
1388         dnl *** Checks for IP_MTU_DISCOVER ***
1389         dnl **********************************
1390         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1391         AC_TRY_COMPILE([#include <linux/in.h>], [
1392                 int level = IP_MTU_DISCOVER;
1393         ], [
1394                 # Yes, we have it...
1395                 AC_MSG_RESULT(yes)
1396                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1397         ], [
1398                 AC_MSG_RESULT(no)
1399         ])
1400
1401         dnl **********************************
1402         dnl *** Checks for  IP_PMTUDISC_DO ***
1403         dnl **********************************
1404         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1405         AC_TRY_COMPILE([#include <linux/in.h>], [
1406                 int level = IP_PMTUDISC_DO;
1407         ], [
1408                 # Yes, we have it...
1409                 AC_MSG_RESULT(yes)
1410                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1411         ], [
1412                 AC_MSG_RESULT(no)
1413         ])
1414
1415         dnl *********************************
1416         dnl *** Check for struct ip_mreqn ***
1417         dnl *********************************
1418         AC_MSG_CHECKING(for struct ip_mreqn)
1419         AC_TRY_COMPILE([#include <netinet/in.h>], [
1420                 struct ip_mreqn mreq;
1421                 mreq.imr_address.s_addr = 0;
1422         ], [
1423                 # Yes, we have it...
1424                 AC_MSG_RESULT(yes)
1425                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1426         ], [
1427                 # We'll just have to try and use struct ip_mreq
1428                 AC_MSG_RESULT(no)
1429                 AC_MSG_CHECKING(for struct ip_mreq)
1430                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1431                         struct ip_mreq mreq;
1432                         mreq.imr_interface.s_addr = 0;
1433                 ], [
1434                         # Yes, we have it...
1435                         AC_MSG_RESULT(yes)
1436                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1437                 ], [
1438                         # No multicast support
1439                         AC_MSG_RESULT(no)
1440                 ])
1441         ])
1442
1443         dnl **********************************
1444         dnl *** Check for gethostbyname2_r ***
1445         dnl **********************************
1446         AC_MSG_CHECKING(for gethostbyname2_r)
1447                 AC_TRY_LINK([#include <netdb.h>], [
1448                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1449         ], [
1450                 # Yes, we have it...
1451                 AC_MSG_RESULT(yes)
1452                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1453         ], [
1454                 AC_MSG_RESULT(no)
1455         ])
1456
1457         dnl *****************************
1458         dnl *** Checks for libnsl     ***
1459         dnl *****************************
1460         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1461
1462         AC_CHECK_FUNCS(inet_pton inet_aton)
1463
1464         dnl ***********************************************
1465         dnl *** Checks for size of sockaddr_un.sun_path ***
1466         dnl ***********************************************
1467         # AC_CHECK_SIZEOF can't cope with struct members :-(
1468         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1469         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1470                 [AC_TRY_RUN([
1471                         #include <sys/types.h>
1472                         #include <stdio.h>
1473                         #include <sys/un.h>
1474
1475                         int main(void) {
1476                                 struct sockaddr_un sock_un;
1477                                 FILE *f=fopen("conftestval", "w");
1478                                 if(!f) exit(1);
1479                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1480                                 exit(0);
1481                         }
1482                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1483                    mono_cv_sizeof_sunpath=0,
1484                    mono_cv_sizeof_sunpath=0)])dnl
1485         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1486         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1487
1488         dnl *****************************
1489         dnl *** Checks for libxnet    ***
1490         dnl *****************************
1491         case "${host}" in
1492                 *solaris* )
1493                         AC_MSG_CHECKING(for Solaris XPG4 support)
1494                         if test -f /usr/lib/libxnet.so; then
1495                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1496                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1497                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1498                                 LIBS="$LIBS -lxnet"
1499                                 AC_MSG_RESULT(yes)
1500                         else
1501                                 AC_MSG_RESULT(no)
1502                         fi
1503
1504                         if test "$GCC" = "yes"; then
1505                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1506                         fi
1507                 ;;
1508         esac
1509
1510         dnl *****************************
1511         dnl *** Checks for libpthread ***
1512         dnl *****************************
1513 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1514 # and libpthread does not exist
1515 #
1516         case "${host}" in
1517                 *-*-*freebsd*)
1518                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1519                 ;;
1520                 *-*-*openbsd*)
1521                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1522                 ;;
1523                 *)
1524                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1525                 ;;
1526         esac
1527         AC_CHECK_HEADERS(pthread.h)
1528         AC_CHECK_HEADERS(pthread_np.h)
1529         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1530         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1531         AC_CHECK_FUNCS(pthread_kill)
1532         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1533         AC_TRY_COMPILE([ #include <pthread.h>], [
1534                 pthread_mutexattr_t attr;
1535                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1536         ], [
1537                 AC_MSG_RESULT(ok)
1538         ], [
1539                 AC_MSG_RESULT(no)
1540                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1541                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1542         ])
1543         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1544         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1545         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1546
1547         dnl ***********************************
1548         dnl *** Checks for signals
1549         dnl ***********************************
1550         AC_CHECK_HEADERS(signal.h)
1551         AC_CHECK_FUNCS(sigaction)
1552
1553         dnl ***********************************
1554         dnl *** Checks for working __thread ***
1555         dnl ***********************************
1556         AC_MSG_CHECKING(for working __thread)
1557         if test "x$with_tls" != "x__thread"; then
1558                 AC_MSG_RESULT(disabled)
1559         else
1560                 AC_TRY_RUN([
1561                         #include <pthread.h>
1562                         __thread int i;
1563                         static int res1, res2;
1564
1565                         void thread_main (void *arg)
1566                         {
1567                                 i = arg;
1568                                 sleep (1);
1569                                 if (arg == 1)
1570                                         res1 = (i == arg);
1571                                 else
1572                                         res2 = (i == arg);
1573                         }
1574
1575                         int main () {
1576                                 pthread_t t1, t2;
1577
1578                                 i = 5;
1579
1580                                 pthread_create (&t1, NULL, thread_main, 1);
1581                                 pthread_create (&t2, NULL, thread_main, 2);
1582
1583                                 pthread_join (t1, NULL);
1584                                 pthread_join (t2, NULL);
1585
1586                                 return !(res1 + res2 == 2);
1587                         }
1588                 ], [
1589                                 AC_MSG_RESULT(yes)
1590                 ], [
1591                                 AC_MSG_RESULT(no)
1592                                 with_tls=pthread
1593                 ])
1594         fi
1595
1596         dnl **************************************
1597         dnl *** Checks for working sigaltstack ***
1598         dnl **************************************
1599         AC_MSG_CHECKING(for working sigaltstack)
1600         if test "x$with_sigaltstack" != "xyes"; then
1601                 AC_MSG_RESULT(disabled)
1602         else
1603                 AC_TRY_RUN([
1604                         #include <stdio.h>
1605                         #include <stdlib.h>
1606                         #include <unistd.h>
1607                         #include <signal.h>
1608                         #include <pthread.h>
1609                         #include <sys/wait.h>
1610                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1611                         #define SA_STACK SA_ONSTACK
1612                         #endif
1613                         static void
1614                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1615                         {
1616                                 exit (0);
1617                         }
1618
1619                         volatile char*__ptr = NULL;
1620                         static void *
1621                         loop (void *ignored)
1622                         {
1623                                 *__ptr = 0;
1624                                 return NULL;
1625                         }
1626
1627                         static void
1628                         child ()
1629                         {
1630                                 struct sigaction sa;
1631                         #ifdef __APPLE__
1632                                 stack_t sas;
1633                         #else
1634                                 struct sigaltstack sas;
1635                         #endif
1636                                 pthread_t id;
1637                                 pthread_attr_t attr;
1638
1639                                 sa.sa_sigaction = sigsegv_signal_handler;
1640                                 sigemptyset (&sa.sa_mask);
1641                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1642                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1643                                         perror ("sigaction");
1644                                         return;
1645                                 }
1646
1647                                 /* x86 darwin deliver segfaults using SIGBUS */
1648                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1649                                         perror ("sigaction");
1650                                         return;
1651                                 }
1652                                 sas.ss_sp = malloc (SIGSTKSZ);
1653                                 sas.ss_size = SIGSTKSZ;
1654                                 sas.ss_flags = 0;
1655                                 if (sigaltstack (&sas, NULL) == -1) {
1656                                         perror ("sigaltstack");
1657                                         return;
1658                                 }
1659
1660                                 pthread_attr_init (&attr);
1661                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1662                                         printf ("pthread_create\n");
1663                                         return;
1664                                 }
1665
1666                                 sleep (100);
1667                         }
1668
1669                         int
1670                         main ()
1671                         {
1672                                 pid_t son;
1673                                 int status;
1674                                 int i;
1675
1676                                 son = fork ();
1677                                 if (son == -1) {
1678                                         return 1;
1679                                 }
1680
1681                                 if (son == 0) {
1682                                         child ();
1683                                         return 0;
1684                                 }
1685
1686                                 for (i = 0; i < 300; ++i) {
1687                                         waitpid (son, &status, WNOHANG);
1688                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1689                                                 return 0;
1690                                         usleep (10000);
1691                                 }
1692
1693                                 kill (son, SIGKILL);
1694                                 return 1;
1695                         }
1696
1697                 ], [
1698                                 AC_MSG_RESULT(yes)
1699                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1700                 ], [
1701                                 with_sigaltstack=no
1702                                 AC_MSG_RESULT(no)
1703                 ])
1704         fi
1705
1706         dnl ********************************
1707         dnl *** Checks for semaphore lib ***
1708         dnl ********************************
1709         # 'Real Time' functions on Solaris
1710         # posix4 on Solaris 2.6
1711         # pthread (first!) on Linux
1712         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1713
1714         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1715         AC_CHECK_FUNCS(shm_open)
1716
1717         dnl ********************************
1718         dnl *** Checks for timezone stuff **
1719         dnl ********************************
1720         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1721                 AC_TRY_COMPILE([
1722                         #include <time.h>
1723                         ], [
1724                         struct tm tm;
1725                         tm.tm_gmtoff = 1;
1726                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1727         if test $ac_cv_struct_tm_gmtoff = yes; then
1728                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1729         else
1730                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1731                         AC_TRY_COMPILE([
1732                                 #include <time.h>
1733                         ], [
1734                                 timezone = 1;
1735                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1736                 if test $ac_cv_var_timezone = yes; then
1737                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1738                 else
1739                         AC_ERROR(unable to find a way to determine timezone)
1740                 fi
1741         fi
1742
1743         dnl *********************************
1744         dnl *** Checks for math functions ***
1745         dnl *********************************
1746         AC_SEARCH_LIBS(sqrtf, m)
1747         if test "x$has_broken_apple_cpp" != "xyes"; then
1748                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1749                         AC_TRY_LINK([#include <math.h>],
1750                         [ finite(0.0); ],
1751                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1752                         AC_MSG_RESULT(no)))
1753         fi
1754         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1755                 AC_TRY_LINK([#include <math.h>],
1756                 [ isfinite(0.0); ],
1757                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1758                 AC_MSG_RESULT(no)))
1759
1760         dnl ****************************************************************
1761         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1762         dnl *** have it in the library (duh))                            ***
1763         dnl ****************************************************************
1764         AC_CHECK_FUNCS(poll)
1765
1766         dnl *************************
1767         dnl *** Check for signbit ***
1768         dnl *************************
1769         AC_MSG_CHECKING(for signbit)
1770         AC_TRY_LINK([#include <math.h>], [
1771                 int s = signbit(1.0);
1772         ], [
1773                 AC_MSG_RESULT(yes)
1774                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1775         ], [
1776                 AC_MSG_RESULT(no)
1777         ])
1778
1779         dnl **********************************
1780         dnl *** epoll                      ***
1781         dnl **********************************
1782         AC_CHECK_HEADERS(sys/epoll.h)
1783         haveepoll=no
1784         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1785         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1786                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1787         fi
1788
1789         havekqueue=no
1790         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1791                 AC_TRY_LINK([#include <sys/event.h>],
1792                 [ kqueue(); ],[havekqueue=yes],[]))
1793
1794         dnl **************************************
1795         dnl * Darwin has a race that prevents us from using reliably:
1796         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1797         dnl * Since kqueue is mostly used for scaling large web servers,
1798         dnl * and very few folks run Mono on large web servers on OSX, falling
1799         dnl * back
1800         dnl **************************************
1801         if test x$havekqueue = xyes; then
1802                 if x$platform_darwin = xno; then
1803                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1804                 fi
1805         fi
1806
1807         dnl ******************************
1808         dnl *** Checks for SIOCGIFCONF ***
1809         dnl ******************************
1810         AC_CHECK_HEADERS(sys/ioctl.h)
1811         AC_CHECK_HEADERS(net/if.h, [], [],
1812            [
1813            #ifdef HAVE_SYS_TYPES_H
1814            # include <sys/types.h>
1815            #endif
1816            #ifdef HAVE_SYS_SOCKET_H
1817            # include <sys/socket.h>
1818            #endif
1819            ])
1820         AC_MSG_CHECKING(for ifreq)
1821         AC_TRY_COMPILE([
1822                 #include <stdio.h>
1823                 #include <sys/ioctl.h>
1824                 #include <net/if.h>
1825                 ], [
1826                 struct ifconf ifc;
1827                 struct ifreq *ifr;
1828                 void *x;
1829                 ifc.ifc_len = 0;
1830                 ifc.ifc_buf = NULL;
1831                 x = (void *) &ifr->ifr_addr;
1832                 ],[
1833                         AC_MSG_RESULT(yes)
1834                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1835                 ], [
1836                         AC_MSG_RESULT(no)
1837                 ])
1838         dnl **********************************
1839         dnl ***     Checks for sin_len     ***
1840         dnl **********************************
1841         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1842         AC_TRY_COMPILE([
1843                 #include <netinet/in.h>
1844                 ], [
1845                 struct sockaddr_in saddr;
1846                 saddr.sin_len = sizeof (saddr);
1847                 ],[
1848                         AC_MSG_RESULT(yes)
1849                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1850                 ], [
1851                         AC_MSG_RESULT(no)
1852                 ])
1853         dnl **********************************
1854         dnl ***    Checks for sin6_len     ***
1855         dnl **********************************
1856         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1857         AC_TRY_COMPILE([
1858                 #include <netinet/in.h>
1859                 ], [
1860                 struct sockaddr_in6 saddr6;
1861                 saddr6.sin6_len = sizeof (saddr6);
1862                 ],[
1863                         AC_MSG_RESULT(yes)
1864                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1865                 ], [
1866                         AC_MSG_RESULT(no)
1867                 ])
1868         dnl **********************************
1869         dnl *** Check for getifaddrs       ***
1870         dnl **********************************
1871         AC_MSG_CHECKING(for getifaddrs)
1872                 AC_TRY_LINK([
1873                 #include <stdio.h>
1874                 #include <sys/types.h>
1875                 #include <sys/socket.h>
1876                 #include <ifaddrs.h>
1877         ], [
1878                 getifaddrs(NULL);
1879         ], [
1880                 # Yes, we have it...
1881                 AC_MSG_RESULT(yes)
1882                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1883         ], [
1884                 AC_MSG_RESULT(no)
1885         ])
1886         dnl **********************************
1887         dnl *** Check for if_nametoindex   ***
1888         dnl **********************************
1889         AC_MSG_CHECKING(for if_nametoindex)
1890                 AC_TRY_LINK([
1891                 #include <stdio.h>
1892                 #include <sys/types.h>
1893                 #include <sys/socket.h>
1894                 #include <net/if.h>
1895         ], [
1896                 if_nametoindex(NULL);
1897         ], [
1898                 # Yes, we have it...
1899                 AC_MSG_RESULT(yes)
1900                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1901         ], [
1902                 AC_MSG_RESULT(no)
1903         ])
1904
1905         dnl **********************************
1906         dnl *** Checks for MonoPosixHelper ***
1907         dnl **********************************
1908         AC_CHECK_HEADERS(checklist.h)
1909         AC_CHECK_HEADERS(pathconf.h)
1910         AC_CHECK_HEADERS(fstab.h)
1911         AC_CHECK_HEADERS(attr/xattr.h)
1912         AC_CHECK_HEADERS(sys/extattr.h)
1913         AC_CHECK_HEADERS(sys/sendfile.h)
1914         AC_CHECK_HEADERS(sys/statvfs.h)
1915         AC_CHECK_HEADERS(sys/statfs.h)
1916         AC_CHECK_HEADERS(sys/vfstab.h)
1917         AC_CHECK_HEADERS(sys/xattr.h)
1918         AC_CHECK_HEADERS(sys/mman.h)
1919         AC_CHECK_HEADERS(sys/param.h)
1920         AC_CHECK_HEADERS(sys/mount.h, [], [],
1921                 [
1922                 #ifdef HAVE_SYS_PARAM_H
1923                 # include <sys/param.h>
1924                 #endif
1925                 ])
1926         AC_CHECK_HEADERS(sys/mount.h)
1927         AC_CHECK_FUNCS(confstr)
1928         AC_CHECK_FUNCS(seekdir telldir)
1929         AC_CHECK_FUNCS(getdomainname)
1930         AC_CHECK_FUNCS(setdomainname)
1931         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1932         AC_CHECK_FUNCS(setgroups)
1933         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1934         AC_CHECK_FUNCS(getfsstat)
1935         AC_CHECK_FUNCS(lutimes futimes)
1936         AC_CHECK_FUNCS(mremap)
1937         AC_CHECK_FUNCS(remap_file_pages)
1938         AC_CHECK_FUNCS(posix_fadvise)
1939         AC_CHECK_FUNCS(posix_fallocate)
1940         AC_CHECK_FUNCS(posix_madvise)
1941         AC_CHECK_FUNCS(vsnprintf)
1942         AC_CHECK_FUNCS(sendfile)
1943         AC_CHECK_FUNCS(gethostid sethostid)
1944         AC_CHECK_FUNCS(sethostname)
1945         AC_CHECK_FUNCS(statfs)
1946         AC_CHECK_FUNCS(fstatfs)
1947         AC_CHECK_FUNCS(statvfs)
1948         AC_CHECK_FUNCS(fstatvfs)
1949         AC_CHECK_FUNCS(stime)
1950         AC_CHECK_FUNCS(strerror_r)
1951         AC_CHECK_FUNCS(ttyname_r)
1952         AC_CHECK_FUNCS(psignal)
1953         AC_CHECK_FUNCS(getlogin_r)
1954         AC_CHECK_FUNCS(lockf)
1955         AC_CHECK_FUNCS(swab)
1956         AC_CHECK_FUNCS(setusershell endusershell)
1957         AC_CHECK_SIZEOF(size_t)
1958         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1959                 [#include <sys/types.h>
1960                  #include <sys/stat.h>
1961                  #include <unistd.h>])
1962         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1963                 [#include <sys/types.h>
1964                  #include <sys/stat.h>
1965                  #include <unistd.h>])
1966         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1967                 [#include <sys/time.h>])
1968         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1969                 [#include <unistd.h>
1970                  #include <fcntl.h>])
1971         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1972                 [#include <sys/poll.h>])
1973         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1974                 [#include <sys/types.h>
1975                  #include <sys/stat.h>
1976                  #include <unistd.h>])
1977         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1978                 [#include <time.h>])
1979         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1980                 [#include <sys/time.h>
1981                  #include <sys/types.h>
1982                  #include <utime.h>])
1983         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1984                 [#include <sys/time.h>])
1985         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1986                 [#include <sys/types.h>
1987                  #include <utime.h>])
1988         AC_CHECK_MEMBERS(
1989                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1990                 [#include <sys/types.h>
1991                  #include <dirent.h>])
1992         AC_CHECK_MEMBERS(
1993                 [struct passwd.pw_gecos],,,
1994                 [#include <sys/types.h>
1995                  #include <pwd.h>])
1996         AC_CHECK_MEMBERS(
1997                 [struct statfs.f_flags],,,
1998                 [#include <sys/types.h>
1999                  #include <sys/vfs.h>])
2000
2001         dnl Favour xattr through glibc, but use libattr if we have to
2002         AC_CHECK_FUNC(lsetxattr, ,
2003                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2004         )
2005         AC_SUBST(XATTR_LIB)
2006
2007         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2008         AC_CHECK_MEMBERS(
2009                 [struct kinfo_proc.kp_proc],,,
2010                 [#include <sys/types.h>
2011                  #include <sys/param.h>
2012                  #include <sys/sysctl.h>
2013                  #include <sys/proc.h>
2014                  ])
2015
2016         dnl *********************************
2017         dnl *** Checks for Windows compilation ***
2018         dnl *********************************
2019         AC_CHECK_HEADERS(sys/time.h)
2020         AC_CHECK_HEADERS(sys/param.h)
2021         AC_CHECK_HEADERS(dirent.h)
2022
2023         dnl ******************************************
2024         dnl *** Checks for OSX and iOS compilation ***
2025         dnl ******************************************
2026         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2027
2028         dnl *********************************
2029         dnl *** Check for Console 2.0 I/O ***
2030         dnl *********************************
2031         AC_CHECK_HEADERS([curses.h])
2032         AC_CHECK_HEADERS([term.h], [], [],
2033         [#if HAVE_CURSES_H
2034          #include <curses.h>
2035          #endif
2036         ])
2037         AC_CHECK_HEADERS([termios.h])
2038
2039         dnl * This is provided in io-layer, but on windows it's only available
2040         dnl * on xp+
2041         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2042 else
2043         dnl *********************************
2044         dnl *** Checks for Windows compilation ***
2045         dnl *********************************
2046         AC_CHECK_HEADERS(winternl.h)
2047
2048         jdk_headers_found=no
2049         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2050         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2051         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2052         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2053         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2054         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2055         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2056
2057         dnl *********************************
2058         dnl *** Check for struct ip_mreqn ***
2059         dnl *********************************
2060         AC_MSG_CHECKING(for struct ip_mreqn)
2061         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2062                 struct ip_mreqn mreq;
2063                 mreq.imr_address.s_addr = 0;
2064         ], [
2065                 # Yes, we have it...
2066                 AC_MSG_RESULT(yes)
2067                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2068         ], [
2069                 # We'll just have to try and use struct ip_mreq
2070                 AC_MSG_RESULT(no)
2071                 AC_MSG_CHECKING(for struct ip_mreq)
2072                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2073                         struct ip_mreq mreq;
2074                         mreq.imr_interface.s_addr = 0;
2075                 ], [
2076                         # Yes, we have it...
2077                         AC_MSG_RESULT(yes)
2078                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2079                 ], [
2080                         # No multicast support
2081                         AC_MSG_RESULT(no)
2082                 ])
2083         ])
2084         AC_CHECK_FUNCS(GetProcessId)
2085 fi
2086
2087 dnl socklen_t check
2088 AC_MSG_CHECKING(for socklen_t)
2089 AC_TRY_COMPILE([
2090 #include <sys/types.h>
2091 #include <sys/socket.h>
2092 ],[
2093   socklen_t foo;
2094 ],[
2095 ac_cv_c_socklen_t=yes
2096         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2097         AC_MSG_RESULT(yes)
2098 ],[
2099         AC_MSG_RESULT(no)
2100 ])
2101
2102 AC_MSG_CHECKING(for array element initializer support)
2103 AC_TRY_COMPILE([#include <sys/socket.h>], [
2104         const int array[] = {[1] = 2,};
2105 ], [
2106         # Yes, we have it...
2107         AC_MSG_RESULT(yes)
2108         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2109 ], [
2110         # We'll have to use signals
2111         AC_MSG_RESULT(no)
2112 ])
2113
2114 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2115         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2116         AC_TRY_LINK([#include <math.h>],
2117         [ static void *p = &trunc; ],
2118         [
2119                 AC_DEFINE(HAVE_TRUNC)
2120                 AC_MSG_RESULT(yes)
2121                 ac_cv_trunc=yes
2122         ],
2123         AC_MSG_RESULT(no)))
2124
2125 if test "x$ac_cv_truncl" != "xyes"; then
2126    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2127 fi
2128
2129 AC_CHECK_FUNCS(round)
2130 AC_CHECK_FUNCS(rint)
2131 AC_CHECK_FUNCS(execvp)
2132
2133 dnl ****************************
2134 dnl *** Look for /dev/random ***
2135 dnl ****************************
2136
2137 AC_MSG_CHECKING([if usage of random device is requested])
2138 AC_ARG_ENABLE(dev-random,
2139 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2140 try_dev_random=$enableval, try_dev_random=yes)
2141
2142 AC_MSG_RESULT($try_dev_random)
2143
2144 case "{$build}" in
2145     *-openbsd*)
2146     NAME_DEV_RANDOM="/dev/srandom"
2147     ;;
2148
2149 dnl Win32 does not have /dev/random, they have their own method...
2150
2151     *-mingw*|*-*-cygwin*)
2152     ac_cv_have_dev_random=no
2153     ;;
2154
2155 dnl Everywhere else, it's /dev/random
2156
2157     *)
2158     NAME_DEV_RANDOM="/dev/random"
2159     ;;
2160 esac
2161
2162 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2163
2164 dnl Now check if the device actually exists
2165
2166 if test "x$try_dev_random" = "xyes"; then
2167     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2168     [if test -r "$NAME_DEV_RANDOM" ; then
2169         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2170     if test "x$ac_cv_have_dev_random" = "xyes"; then
2171         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2172     fi
2173 else
2174     AC_MSG_CHECKING(for random device)
2175     ac_cv_have_dev_random=no
2176     AC_MSG_RESULT(has been disabled)
2177 fi
2178
2179 if test "x$host_win32" = "xyes"; then
2180     AC_DEFINE(HAVE_CRYPT_RNG)
2181 fi
2182
2183 if test "x$ac_cv_have_dev_random" = "xno" \
2184     && test "x$host_win32" = "xno"; then
2185     AC_MSG_WARN([[
2186 ***
2187 *** A system-provided entropy source was not found on this system.
2188 *** Because of this, the System.Security.Cryptography random number generator
2189 *** will throw a NotImplemented exception.
2190 ***
2191 *** If you are seeing this message, and you know your system DOES have an
2192 *** entropy collection in place, please contact <crichton@gimp.org> and
2193 *** provide information about the system and how to access the random device.
2194 ***
2195 *** Otherwise you can install either egd or prngd and set the environment
2196 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2197 ***]])
2198 fi
2199
2200 AC_MSG_CHECKING([if inter-process shared handles are requested])
2201 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2202 AC_MSG_RESULT($try_shared_handles)
2203 if test "x$try_shared_handles" != "xyes"; then
2204         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2205         AC_SUBST(DISABLE_SHARED_HANDLES)
2206 fi
2207
2208 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2209
2210 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2211 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2212
2213 AC_MSG_CHECKING([if big-arrays are to be enabled])
2214 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2215 if test "x$enable_big_arrays" = "xyes" ; then
2216     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2217         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2218     else
2219         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2220     fi
2221 fi
2222 AC_MSG_RESULT($enable_big_arrays)
2223
2224 dnl **************
2225 dnl *** DTRACE ***
2226 dnl **************
2227
2228 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2229
2230 if test "x$enable_dtrace" = "xyes"; then
2231    if test "x$has_dtrace" = "xno"; then
2232           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2233    fi
2234    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2235    if test "x$DTRACE" = "xno"; then
2236           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2237           enable_dtrace=no
2238    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2239           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2240           enable_dtrace=no
2241    fi
2242 fi
2243
2244 dtrace_g=no
2245 if test "x$enable_dtrace" = "xyes"; then
2246         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2247         DTRACEFLAGS=
2248         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2249                 case "$host" in
2250                         powerpc-*-darwin*)
2251                         DTRACEFLAGS="-arch ppc64"
2252                         ;;
2253                         i*86-*-darwin*)
2254                         DTRACEFLAGS="-arch x86_64"
2255                         ;;
2256                         *)
2257                         DTRACEFLAGS=-64
2258                         ;;
2259                 esac
2260         else
2261                 case "$host" in
2262                         powerpc-*-darwin*)
2263                         DTRACEFLAGS="-arch ppc"
2264                         ;;
2265                         i*86-*-darwin*)
2266                         DTRACEFLAGS="-arch i386"
2267                         ;;
2268                         *)
2269                         DTRACEFLAGS=-32
2270                         ;;
2271                 esac
2272         fi
2273         AC_SUBST(DTRACEFLAGS)
2274         case "$host" in
2275                 *-*-solaris*)
2276                 dtrace_g=yes
2277                 ;;
2278         esac
2279         AC_CHECK_HEADERS([sys/sdt.h])
2280 fi
2281 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2282 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2283
2284 dnl **************
2285 dnl ***  NaCl  ***
2286 dnl **************
2287
2288 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2289 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2290
2291 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2292 if test "x$enable_nacl_codegen" = "xyes"; then
2293    MONO_NACL_ALIGN_MASK_OFF=1
2294    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2295    AC_DEFINE(TARGET_NACL, 1, [...])
2296 else
2297    MONO_NACL_ALIGN_MASK_OFF=0
2298    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2299 fi
2300 if test "x$enable_nacl_gc" = "xyes"; then
2301    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2302 fi
2303 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2304
2305 dnl **************
2306 dnl ***  LLVM  ***
2307 dnl **************
2308
2309 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2310 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2311
2312 if test "x$enable_llvm" = "xyes"; then
2313    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2314    if test "x$LLVM_CONFIG" = "xno"; then
2315           AC_MSG_ERROR([llvm-config not found.])
2316    fi
2317
2318    llvm_codegen="x86codegen"
2319    case "$target" in
2320    arm*)
2321                 llvm_codegen="armcodegen"
2322                 ;;
2323    esac
2324
2325
2326    # The output of --cflags seems to include optimizations flags too
2327    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2328    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2329    # from LLVM classes.
2330    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2331    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2332    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2333    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2334
2335    # Should be something like '2.6' or '2.7svn'
2336    llvm_version=`$LLVM_CONFIG --version`
2337    major_version=`echo $llvm_version | cut -c 1`
2338    minor_version=`echo $llvm_version | cut -c 3`
2339    AC_MSG_CHECKING(LLVM version)
2340    AC_MSG_RESULT($llvm_version)
2341    if echo $llvm_version | grep -q 'mono'; then
2342           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2343           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2344    else
2345           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.])
2346    fi
2347
2348    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2349    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2350    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2351
2352    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2353    # llvm's config.h
2354    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2355
2356    AC_SUBST(LLVM_CFLAGS)
2357    AC_SUBST(LLVM_CXXFLAGS)
2358    AC_SUBST(LLVM_LIBS)
2359    AC_SUBST(LLVM_LDFLAGS)
2360    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2361 fi
2362
2363 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2364 if test "x$enable_loadedllvm" = "xyes"; then
2365    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2366 fi
2367 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2368
2369 TARGET="unknown"
2370 ACCESS_UNALIGNED="yes"
2371
2372 JIT_SUPPORTED=no
2373 INTERP_SUPPORTED=no
2374 LIBC="libc.so.6"
2375 INTL="libc.so.6"
2376 SQLITE="libsqlite.so.0"
2377 SQLITE3="libsqlite3.so.0"
2378 X11="libX11.so"
2379
2380 sizeof_register="SIZEOF_VOID_P"
2381
2382 jit_wanted=true
2383 interp_wanted=false
2384 sgen_supported=false
2385 case "$host" in
2386 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2387 #               TARGET=MIPS;
2388 #               ACCESS_UNALIGNED="no"
2389 #               ;;
2390         mips*)
2391                 TARGET=MIPS;
2392                 arch_target=mips;
2393                 sgen_supported=true
2394                 ACCESS_UNALIGNED="no"
2395                 JIT_SUPPORTED=yes
2396
2397                 AC_MSG_CHECKING(for mips n32)
2398                 AC_TRY_COMPILE([],[
2399                 #if _MIPS_SIM != _ABIN32
2400                 #error Not mips n32
2401                 #endif
2402                 return 0;
2403                 ],[
2404                 AC_MSG_RESULT(yes)
2405                 sizeof_register=8
2406                 ],[
2407                 AC_MSG_RESULT(no)
2408                 ])
2409                 ;;
2410         i*86-*-*)
2411                 TARGET=X86;
2412                 arch_target=x86;
2413                 JIT_SUPPORTED=yes
2414                 case $host_os in
2415                   solaris*)
2416                         LIBC="libc.so"
2417                         INTL="libintl.so"
2418                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2419                                 TARGET=AMD64
2420                                 arch_target=amd64
2421                         fi
2422
2423                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2424                         # int astruct __attribute__ ((visibility ("hidden")));
2425                         # void foo ()
2426                         # {
2427                         #       void *p = &astruct;
2428                         # }
2429                         # gcc -fPIC --shared -o libfoo.so foo.c
2430                         # yields:
2431                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2432                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2433                         have_visibility_hidden=no
2434                         sgen_supported=true
2435                         ;;
2436                   cygwin*)
2437                         sgen_supported=true
2438                         have_visibility_hidden=no
2439                         ;;
2440                   haiku*)
2441                         LIBC=libroot.so
2442                         ;;
2443                   linux*)
2444                         sgen_supported=true
2445                         AOT_SUPPORTED="yes"
2446                         ;;
2447                   darwin*)
2448                         sgen_supported=true
2449                         AOT_SUPPORTED="yes"
2450                         ;;
2451                   darwin*|openbsd*|freebsd*)
2452                         sgen_supported=true
2453                         ;;
2454                 esac
2455                 ;;
2456         x86_64-*-* | amd64-*-*)
2457                 TARGET=AMD64;
2458                 arch_target=amd64;
2459                 JIT_SUPPORTED=yes
2460                 case $host_os in
2461                   linux*)
2462                         sgen_supported=true
2463                         AOT_SUPPORTED="yes"
2464                         ;;
2465                   darwin*|openbsd*|freebsd*)
2466                         sgen_supported=true
2467                         ;;
2468                 esac
2469                 case "$host" in
2470                         x86_64-*-nacl*)
2471                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2472                                 sizeof_register=8
2473                                 ;;
2474                 esac
2475                 ;;
2476         ia64-*-*)
2477                 TARGET=IA64
2478                 arch_target=ia64
2479                 ACCESS_UNALIGNED="no"
2480                 JIT_SUPPORTED=yes
2481                 LIBC="libc.so.6.1"
2482                 INTL="libc.so.6.1"
2483                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2484                 libmono_ldflags="-lunwind"
2485                 ;;
2486         sparc*-*-*)
2487                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2488                    TARGET=SPARC64
2489                 else
2490                         TARGET=SPARC
2491                 fi
2492                 arch_target=sparc;
2493                 JIT_SUPPORTED=yes
2494                 ACCESS_UNALIGNED="no"
2495                 case $host_os in
2496                   linux*) ;;
2497                   *)
2498                         LIBC="libc.so"
2499                         INTL="libintl.so"
2500                 esac
2501                 if test x"$GCC" = xyes; then
2502                         # We don't support v8 cpus
2503                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2504                 fi
2505                 if test x"$AR" = xfalse; then
2506                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2507                 fi
2508                 sgen_supported=true
2509                 ;;
2510        alpha*-*-linux* | alpha*-*-osf*)
2511                 TARGET=ALPHA;
2512                 ACCESS_UNALIGNED="no"
2513                 JIT_SUPPORTED=yes
2514                 arch_target=alpha;
2515                 CFLAGS="$CFLAGS -mieee -O0"
2516                 case $host_os in
2517                   linux*)
2518                         LIBC="libc.so.6.1"
2519                         INTL="libc.so.6.1"
2520                 esac
2521                ;;
2522         *-mingw*|*-*-cygwin*)
2523                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2524                 have_visibility_hidden=no
2525                 INTL="intl"
2526                 ;;
2527         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2528         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2529                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2530                         TARGET=POWERPC64;
2531                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2532                         CFLAGS="$CFLAGS -mminimal-toc"
2533                 else
2534                         TARGET=POWERPC;
2535                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2536                 fi
2537                 arch_target=ppc;
2538                 JIT_SUPPORTED=yes
2539                 case $host_os in
2540                   linux*|darwin*)
2541                         sgen_supported=true
2542                         ;;
2543                 esac
2544                 ;;
2545         arm*-darwin*)
2546                 TARGET=ARM;
2547                 arch_target=arm;
2548                 ACCESS_UNALIGNED="no"
2549                 JIT_SUPPORTED=yes
2550                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2551                 # libgc's gc_locks.h depends on this
2552             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2553                 sgen_supported=true
2554                 ;;
2555         arm*-linux*)
2556                 TARGET=ARM;
2557                 arch_target=arm;
2558                 ACCESS_UNALIGNED="no"
2559                 JIT_SUPPORTED=yes
2560                 sgen_supported=true
2561                 AOT_SUPPORTED="yes"
2562                 if test "x$cross_compiling" != "xno"; then
2563                    # Provide sane defaults when cross-compiling
2564                    CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2565                    NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2566                 fi
2567                 ;;
2568         s390-*-linux*)
2569                 TARGET=S390;
2570                 arch_target=s390;
2571                 ACCESS_UNALIGNED="yes"
2572                 JIT_SUPPORTED=yes
2573                 sgen_supported=true
2574                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2575                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2576                 ;;
2577         s390x-*-linux*)
2578                 TARGET=S390x;
2579                 arch_target=s390x;
2580                 ACCESS_UNALIGNED="yes"
2581                 JIT_SUPPORTED=yes
2582                 sgen_supported=true
2583                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2584                 ;;
2585 esac
2586
2587 HOST=$TARGET
2588
2589 if test "x$host" != "x$target"; then
2590    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2591    enable_mcs_build=no
2592    case "$target" in
2593    arm*-darwin*)
2594                 TARGET=ARM;
2595                 arch_target=arm;
2596                 ACCESS_UNALIGNED="no"
2597                 JIT_SUPPORTED=yes
2598                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2599                 jit_wanted=true
2600                 # Can't use tls, since it depends on the runtime detection of tls offsets
2601                 # in mono-compiler.h
2602                 with_tls=pthread
2603                 ;;
2604    powerpc64-ps3-linux-gnu)
2605                 TARGET=POWERPC64
2606                 arch_target=powerpc64
2607                 AC_DEFINE(TARGET_PS3, 1, [...])
2608                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2609                 # uses this define
2610                 AC_DEFINE(__mono_ppc64__, 1, [...])
2611                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2612                 sizeof_register=8
2613                 target_byte_order=G_BIG_ENDIAN
2614                 ;;
2615
2616    powerpc64-xbox360-linux-gnu)
2617                 TARGET=POWERPC64
2618                 arch_target=powerpc64
2619                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2620                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2621                 # uses this define
2622                 sizeof_register=8
2623                 target_byte_order=G_BIG_ENDIAN
2624                 ;;
2625    x86_64-*-nacl)
2626                 TARGET=AMD64
2627                 arch_target=amd64
2628                 AC_DEFINE(TARGET_AMD64, 1, [...])
2629                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2630                 sizeof_register=8
2631                 ;;
2632    *-*-nacl)
2633                 TARGET=X86
2634                 arch_target=x86
2635                 AC_DEFINE(TARGET_X86, 1, [...])
2636                 sizeof_register=4
2637                 ;;
2638    arm*-unknown-linux-*)
2639                 TARGET=ARM;
2640                 arch_target=arm;
2641                 AC_DEFINE(TARGET_ARM, 1, [...])
2642                 ACCESS_UNALIGNED="no"
2643                 JIT_SUPPORTED=yes
2644                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2645                 jit_wanted=true
2646                 # Can't use tls, since it depends on the runtime detection of tls offsets
2647                 # in mono-compiler.h
2648                 with_tls=pthread
2649                 target_mach=no
2650                 case "$target" in
2651                 armv7l-unknown-linux-gnueabi*)
2652                         # TEGRA
2653                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2654                         ;;
2655                 armv5-*-linux-androideabi*)
2656                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2657                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2658                         ;;
2659                 esac
2660                 ;;
2661         *)
2662                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2663         esac
2664 fi
2665
2666 # FIXME: Define the others as well
2667 case "$TARGET" in
2668 X86)
2669         AC_DEFINE(TARGET_X86, 1, [...])
2670         ;;
2671 AMD64)
2672         AC_DEFINE(TARGET_AMD64, 1, [...])
2673         ;;
2674 ARM)
2675         AC_DEFINE(TARGET_ARM, 1, [...])
2676         ;;
2677 POWERPC)
2678         AC_DEFINE(TARGET_POWERPC, 1, [...])
2679         ;;
2680 POWERPC64)
2681         AC_DEFINE(TARGET_POWERPC, 1, [...])
2682         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2683         ;;
2684 S390x)
2685         AC_DEFINE(TARGET_S390X, 1, [...])
2686         ;;
2687 MIPS)
2688         AC_DEFINE(TARGET_MIPS, 1, [...])
2689         ;;
2690 esac
2691
2692 if test "x$target_mach" = "xyes"; then
2693         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2694         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2695         #error fail this for ios
2696         #endif
2697         return 0;
2698         ], [
2699                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2700                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2701                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2702         ], [
2703                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2704                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2705                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2706         ])
2707
2708    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2709 fi
2710
2711 if test "x$sizeof_register" = "x4"; then
2712    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2713 elif test "x$sizeof_register" = "x8"; then
2714    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2715 else
2716    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2717 fi
2718
2719 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2720    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2721 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2722    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2723 else
2724    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2725 fi
2726
2727 if test "x$have_visibility_hidden" = "xyes"; then
2728    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2729 fi
2730
2731 if test "x$have_deprecated" = "xyes"; then
2732    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2733 fi
2734
2735 dnl
2736 dnl Simple Generational checks (sgen)
2737 dnl
2738 if $sgen_supported; then
2739    build_sgen_default=yes
2740 else
2741    build_sgen_default=no
2742 fi
2743 SGEN_DEFINES=
2744 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2745 if test x$buildsgen = xyes; then
2746    if $sgen_supported; then
2747        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2748        gc_msg="sgen and $gc_msg"
2749    else
2750        buildsgen=no
2751        AC_MSG_WARN("Sgen is not supported on this platform")
2752    fi
2753 fi
2754 AC_SUBST(SGEN_DEFINES)
2755 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2756
2757 USEJIT=false
2758 if test x$JIT_SUPPORTED = xyes; then
2759    if $jit_wanted; then
2760       USEJIT=true
2761       jit_status="Building and using the JIT"
2762    else
2763       if $interp_wanted; then
2764          jit_status="Building the JIT, defaulting to the interpreter"
2765       else
2766          AC_ERROR(No JIT or interpreter support available or selected.)
2767       fi
2768    fi
2769 else
2770    if test x$interp_wanted = xtrue; then
2771       jit_status="interpreter"
2772    else
2773       AC_ERROR(No JIT or interpreter support available or selected.)
2774    fi
2775 fi
2776
2777 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2778
2779 libsuffix=".so"
2780
2781 case "$host" in
2782      *-*-darwin*)
2783         libsuffix=".dylib"
2784         LIBC="libc.dylib"
2785         INTL="libintl.dylib"
2786         SQLITE="libsqlite.0.dylib"
2787         SQLITE3="libsqlite3.0.dylib"
2788         X11="libX11.dylib"
2789         ;;
2790      *-*-*netbsd*)
2791         LIBC="libc.so.12"
2792         INTL="libintl.so.0"
2793         ;;
2794     *-*-*freebsd*)
2795         LIBC="libc.so"
2796         INTL="libintl.so"
2797         SQLITE="libsqlite.so"
2798         SQLITE3="libsqlite3.so"
2799         ;;
2800     *-*-*openbsd*)
2801         LIBC="libc.so"
2802         INTL="libintl.so"
2803         SQLITE="libsqlite.so"
2804         SQLITE3="libsqlite3.so"
2805         ;;
2806     *-*-*linux*)
2807         AC_PATH_X
2808         AC_MSG_CHECKING(for the soname of libX11.so)
2809         for i in $x_libraries /usr/lib /usr/lib64; do
2810                 for r in 4 5 6; do
2811                         if test -f $i/libX11.so.$r; then
2812                                 X11=libX11.so.$r
2813                                 AC_MSG_RESULT($X11)
2814                         fi
2815                 done
2816         done
2817
2818         if test "x$X11" = "xlibX11.so"; then
2819                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2820                 X11=libX11.so.6
2821         fi
2822         ;;
2823 esac
2824
2825
2826 AC_SUBST(libsuffix)
2827
2828 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2829         if test "x$with_tls" = "x__thread"; then
2830                 #
2831                 # On some linux distributions, TLS works in executables, but linking
2832                 # against a shared library containing TLS fails with:
2833                 # undefined reference to `__tls_get_addr'
2834                 #
2835                 rm -f conftest.c conftest.so conftest
2836                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2837                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2838                 $CC -o conftest conftest.so > /dev/null 2>&1
2839                 if test ! -f conftest; then
2840                    AC_MSG_WARN([Disabling usage of __thread.]);
2841                    with_tls=pthread
2842                 fi
2843                 rm -f conftest.c conftest.so conftest
2844         fi
2845 fi
2846
2847 mono_debugger_supported=no
2848 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2849 if test "x$try_mono_debugger" = "xyes"; then
2850         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2851                 if test x$use_included_gc = xyes; then
2852                         case "$host" in
2853                         *-*-*linux*)
2854                                 mono_debugger_supported=yes
2855                                 ;;
2856                         *86-apple-darwin*)
2857                                 mono_debugger_supported=yes
2858                                 ;;
2859                         esac
2860                 fi
2861         fi
2862 fi
2863
2864 # disable the debugger entirely when building with moonlight
2865 if test "x$with_moonlight" != "xno"; then
2866         mono_debugger_supported=no
2867 fi
2868
2869 # mdb support for sgen is broken, disable it until further notice.
2870 mono_debugger_supported=no
2871
2872 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2873 if test "x$mono_debugger_supported" = "xyes"; then
2874         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2875         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2876 fi
2877 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2878 AC_MSG_RESULT($mono_debugger_supported)
2879
2880 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2881 if test "x$icall_symbol_map" = "xyes"; then
2882    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2883 fi
2884
2885 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2886 if test "x$icall_export" = "xyes"; then
2887    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2888 fi
2889
2890 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2891 if test "x$icall_tables" = "xno"; then
2892    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2893 fi
2894
2895 if test "x$mono_cv_clang" = "xyes"; then
2896    # FIXME: This causes many compilation errors
2897    with_tls=pthread
2898 fi
2899
2900 if test "x$with_tls" = "x__thread"; then
2901         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2902         # Pass the information to libgc
2903         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2904         AC_MSG_CHECKING(if the tls_model attribute is supported)
2905         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2906                 ], [
2907                         AC_MSG_RESULT(yes)
2908                         # CLANG doesn't support this yet, and it prints warnings about it
2909                         if test "x$mono_cv_clang" = "xno"; then
2910                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2911                         fi
2912                 ], [
2913                         AC_MSG_RESULT(no)
2914         ])
2915 fi
2916
2917 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2918         dnl ******************************************
2919         dnl *** Check to see what FPU is available ***
2920         dnl ******************************************
2921         AC_MSG_CHECKING(which FPU to use)
2922
2923         fpu=NONE
2924         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2925            fpu=VFP_HARD
2926         fi
2927
2928         if test x$fpu = xNONE; then
2929            ORIG_CFLAGS=$CFLAGS
2930            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2931            AC_TRY_RUN([
2932                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2933                                 ], fpu=VFP, fpu=NONE)
2934            CFLAGS=$ORIG_CFLAGS
2935         fi
2936
2937         if test x$fpu = xNONE; then
2938                 AC_TRY_COMPILE([], [
2939                         __asm__ ("ldfd f0, [r0]");
2940                         ], fpu=FPA, fpu=NONE)
2941         fi
2942
2943         AC_MSG_RESULT($fpu)
2944         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2945         unset fpu
2946
2947         AC_MSG_CHECKING(for ARMV6)
2948         AC_TRY_RUN([
2949                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2950                         ], armv6=yes, armv6=no)
2951
2952         AC_MSG_RESULT($armv6)
2953         if test ${armv6} = yes; then
2954            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2955            # libgc's gc_locks.h depends on this
2956            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2957         fi
2958 fi
2959
2960 if test ${TARGET} = ARM; then
2961         if test "x${with_jumptables}" = "xyes"; then
2962                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
2963         fi
2964 fi
2965
2966 if test ${TARGET} = unknown; then
2967         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2968         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2969 fi
2970
2971 if test ${ACCESS_UNALIGNED} = no; then
2972         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2973 fi
2974
2975 case "x$gc" in
2976         xincluded)
2977                 # Pass CPPFLAGS to libgc configure
2978                 # We should use a separate variable for this to avoid passing useless and
2979                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2980                 # This should be executed late so we pick up the final version of CPPFLAGS
2981                 # The problem with this approach, is that during a reconfigure, the main
2982                 # configure scripts gets invoked with these arguments, so we use separate
2983                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2984                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2985                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2986                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2987                 fi
2988                 # Don't pass -finstrument-for-thread-suspension in,
2989                 # if these are instrumented it will be very bad news
2990                 # (infinite recursion, undefined parking behavior, etc)
2991                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2992                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2993                 AC_CONFIG_SUBDIRS(libgc)
2994                 ;;
2995 esac
2996
2997 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2998 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2999 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3000 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3001 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3002 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3003
3004 OPROFILE=no
3005 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3006         if test x$with_oprofile != xno; then
3007             oprofile_include=$with_oprofile/include
3008             if test ! -f $oprofile_include/opagent.h; then
3009                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3010                 fi
3011             OPROFILE=yes
3012                 OPROFILE_CFLAGS="-I$oprofile_include"
3013             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3014             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3015         fi
3016 ])
3017
3018 MALLOC_MEMPOOLS=no
3019 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3020         if test x$with_malloc_mempools = xyes; then
3021                 MALLOC_MEMPOOLS=yes
3022                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3023         fi
3024 ])
3025
3026
3027 DISABLE_MCS_DOCS=no
3028 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3029         if test x$with_mcs_docs != xyes; then
3030                 DISABLE_MCS_DOCS=yes
3031         fi
3032 ])
3033 if test x$with_profile4 != xyes; then
3034         DISABLE_MCS_DOCS=yes
3035 fi
3036
3037 MOONLIGHT_DEFINES=
3038 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3039         if test x$with_moonlight != xno; then
3040         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3041         fi
3042 ], [with_moonlight=no])
3043 AC_SUBST(MOONLIGHT_DEFINES)
3044
3045 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3046         if test "x$with_moon_gc" != "xsgen"; then
3047                 with_moon_gc=boehm
3048         fi
3049 ], [with_moon_gc=boehm])
3050
3051 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)],[
3052         if test x$with_lazy_gc_thread_creation != xno ; then
3053                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3054         fi
3055 ], [with_lazy_gc_thread_creation=no])
3056
3057 AC_CHECK_HEADER([malloc.h],
3058                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3059                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3060
3061 if test x"$GCC" = xyes; then
3062         # Implicit function declarations are not 64 bit safe
3063         # Do this late, since this causes lots of configure tests to fail
3064         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3065         # jay has a lot of implicit declarations
3066         JAY_CFLAGS="-Wno-implicit-function-declaration"
3067 fi
3068
3069 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3070 # instead of libmono-static.a
3071 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3072    LIBMONO_LA=libmini-static.la
3073 else
3074    LIBMONO_LA=libmono-$API_VER.la
3075 fi
3076 AC_SUBST(LIBMONO_LA)
3077
3078 dnl
3079 dnl Consistency settings
3080 dnl
3081 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3082    DISABLE_MCS_DOCS=yes
3083    with_profile2=no
3084    with_profile4=no
3085    with_profile4_5=no
3086    with_monodroid=no
3087    with_monotouch=no
3088 fi
3089
3090 if test x$DISABLE_MCS_DOCS = xyes; then
3091    docs_dir=""
3092 else
3093    docs_dir=docs
3094 fi
3095 AC_SUBST(docs_dir)
3096
3097 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3098 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3099
3100 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3101 AC_SUBST(OPROFILE_CFLAGS)
3102 AC_SUBST(OPROFILE_LIBS)
3103
3104 libmono_ldflags="$libmono_ldflags $LIBS"
3105
3106 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3107
3108 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3109 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3110 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3111
3112 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3113 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3114 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3115 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3116 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3117 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3118 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3119
3120 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3121 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3122 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3123 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3124 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3125 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3126 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3127 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3128 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3129 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3130 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3131 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3132 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3133 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3134 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3135 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3136 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3137 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3138 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3139
3140 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3141 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3142 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3143
3144 AC_SUBST(LIBC)
3145 AC_SUBST(INTL)
3146 AC_SUBST(SQLITE)
3147 AC_SUBST(SQLITE3)
3148 AC_SUBST(X11)
3149 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3150 AC_SUBST(arch_target)
3151 AC_SUBST(CFLAGS)
3152 AC_SUBST(CPPFLAGS)
3153 AC_SUBST(LDFLAGS)
3154
3155 mono_build_root=`pwd`
3156 AC_SUBST(mono_build_root)
3157
3158 if test x$USEJIT = xtrue; then
3159   mono_runtime=mono/mini/mono
3160 else
3161   mono_runtime=mono/interpreter/mint
3162 fi
3163 AC_SUBST(mono_runtime)
3164
3165 mono_cfg_root=$mono_build_root/runtime
3166 if test x$host_win32 = xyes; then
3167   if test "x$cross_compiling" = "xno"; then
3168     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3169   else
3170     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3171   fi
3172 else
3173   mono_cfg_dir=$mono_cfg_root/etc
3174 fi
3175 AC_SUBST(mono_cfg_dir)
3176
3177 AC_CONFIG_FILES([po/mcs/Makefile.in])
3178
3179 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3180 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3181
3182 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3183 [   depth=../../../..
3184     case $srcdir in
3185     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3186     .) reldir=$depth ;;
3187     *) reldir=$depth/$srcdir ;;
3188     esac
3189     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3190     cd runtime/etc/mono/1.0
3191     rm -f machine.config
3192     $LN_S $reldir/data/net_1_1/machine.config machine.config
3193     cd $depth
3194 ],[LN_S='$LN_S'])
3195
3196 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3197 [   depth=../../../..
3198     case $srcdir in
3199     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3200     .) reldir=$depth ;;
3201     *) reldir=$depth/$srcdir ;;
3202     esac
3203     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3204     cd runtime/etc/mono/2.0
3205     rm -f machine.config
3206     $LN_S $reldir/data/net_2_0/machine.config machine.config
3207     cd $depth
3208 ],[LN_S='$LN_S'])
3209
3210 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3211 [   depth=../../../..
3212     case $srcdir in
3213     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3214     .) reldir=$depth ;;
3215     *) reldir=$depth/$srcdir ;;
3216     esac
3217     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3218     cd runtime/etc/mono/2.0
3219     rm -f web.config
3220     $LN_S $reldir/data/net_2_0/web.config web.config
3221     cd $depth
3222 ],[LN_S='$LN_S'])
3223
3224 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3225 [   depth=../../..
3226     case $srcdir in
3227     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3228     .) reldir=$depth ;;
3229     *) reldir=$depth/$srcdir ;;
3230     esac
3231     $ac_aux_dir/install-sh -d runtime/etc/mono/
3232     cd runtime/etc/mono/
3233     rm -f browscap.ini
3234     $LN_S $reldir/data/browscap.ini browscap.ini
3235     cd $depth
3236 ],[LN_S='$LN_S'])
3237
3238 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3239 [   depth=../../../../..
3240     case $srcdir in
3241     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3242     .) reldir=$depth ;;
3243     *) reldir=$depth/$srcdir ;;
3244     esac
3245     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3246     cd runtime/etc/mono/2.0/Browsers
3247     rm -f Compat.browser
3248     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3249     cd $depth
3250 ],[LN_S='$LN_S'])
3251
3252 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3253 [   depth=../../../..
3254     case $srcdir in
3255     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3256     .) reldir=$depth ;;
3257     *) reldir=$depth/$srcdir ;;
3258     esac
3259     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3260     cd runtime/etc/mono/4.0
3261     rm -f machine.config
3262     $LN_S $reldir/data/net_4_0/machine.config machine.config
3263     cd $depth
3264 ],[LN_S='$LN_S'])
3265
3266 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3267 [   depth=../../../..
3268     case $srcdir in
3269     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3270     .) reldir=$depth ;;
3271     *) reldir=$depth/$srcdir ;;
3272     esac
3273     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3274     cd runtime/etc/mono/4.0
3275     rm -f web.config
3276     $LN_S $reldir/data/net_4_0/web.config web.config
3277     cd $depth
3278 ],[LN_S='$LN_S'])
3279
3280 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3281 [   depth=../../../..
3282     case $srcdir in
3283     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3284     .) reldir=$depth ;;
3285     *) reldir=$depth/$srcdir ;;
3286     esac
3287     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3288     cd runtime/etc/mono/4.5
3289     rm -f machine.config
3290     $LN_S $reldir/data/net_4_5/machine.config machine.config
3291     cd $depth
3292 ],[LN_S='$LN_S'])
3293
3294 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3295 [   depth=../../../..
3296     case $srcdir in
3297     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3298     .) reldir=$depth ;;
3299     *) reldir=$depth/$srcdir ;;
3300     esac
3301     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3302     cd runtime/etc/mono/4.5
3303     rm -f web.config
3304     $LN_S $reldir/data/net_4_5/web.config web.config
3305     cd $depth
3306 ],[LN_S='$LN_S'])
3307
3308 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])
3309
3310 AC_OUTPUT([
3311 Makefile
3312 mono-core.spec
3313 mono-uninstalled.pc
3314 scripts/mono-find-provides
3315 scripts/mono-find-requires
3316 mono/Makefile
3317 mono/utils/Makefile
3318 mono/metadata/Makefile
3319 mono/dis/Makefile
3320 mono/cil/Makefile
3321 mono/arch/Makefile
3322 mono/arch/x86/Makefile
3323 mono/arch/amd64/Makefile
3324 mono/arch/ppc/Makefile
3325 mono/arch/sparc/Makefile
3326 mono/arch/s390/Makefile
3327 mono/arch/s390x/Makefile
3328 mono/arch/arm/Makefile
3329 mono/arch/alpha/Makefile
3330 mono/arch/ia64/Makefile
3331 mono/arch/mips/Makefile
3332 mono/interpreter/Makefile
3333 mono/tests/Makefile
3334 mono/tests/tests-config
3335 mono/tests/assemblyresolve/Makefile
3336 mono/tests/cas/Makefile
3337 mono/tests/cas/assembly/Makefile
3338 mono/tests/cas/demand/Makefile
3339 mono/tests/cas/inheritance/Makefile
3340 mono/tests/cas/linkdemand/Makefile
3341 mono/tests/cas/threads/Makefile
3342 mono/benchmark/Makefile
3343 mono/monograph/Makefile
3344 mono/io-layer/Makefile
3345 mono/mini/Makefile
3346 mono/profiler/Makefile
3347 m4/Makefile
3348 ikvm-native/Makefile
3349 scripts/Makefile
3350 man/Makefile
3351 docs/Makefile
3352 data/Makefile
3353 data/net_2_0/Makefile
3354 data/net_4_0/Makefile
3355 data/net_4_5/Makefile
3356 data/net_2_0/Browsers/Makefile
3357 data/mint.pc
3358 data/mono-2.pc
3359 data/monosgen-2.pc
3360 data/mono.pc
3361 data/mono-cairo.pc
3362 data/mono-nunit.pc
3363 data/mono-options.pc
3364 data/mono-lineeditor.pc
3365 data/monodoc.pc
3366 data/mono.web.pc
3367 data/dotnet.pc
3368 data/dotnet35.pc
3369 data/wcf.pc
3370 data/cecil.pc
3371 data/system.web.extensions_1.0.pc
3372 data/system.web.extensions.design_1.0.pc
3373 data/system.web.mvc.pc
3374 data/system.web.mvc2.pc
3375 data/system.web.mvc3.pc
3376 data/aspnetwebstack.pc
3377 data/reactive.pc
3378 samples/Makefile
3379 support/Makefile
3380 data/config
3381 tools/Makefile
3382 tools/locale-builder/Makefile
3383 tools/sgen/Makefile
3384 runtime/Makefile
3385 msvc/Makefile
3386 po/Makefile
3387 ])
3388
3389 # Update all submodules recursively to ensure everything is checked out
3390 $srcdir/scripts/update_submodules
3391
3392 if test x$host_win32 = xyes; then
3393    # Get rid of 'cyg' prefixes in library names
3394    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3395    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3396    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3397    # executable doesn't work...
3398    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3399 fi
3400
3401 (
3402   case $prefix in
3403   NONE) prefix=$ac_default_prefix ;;
3404   esac
3405   case $exec_prefix in
3406   NONE) exec_prefix='${prefix}' ;;
3407   esac
3408
3409   #
3410   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3411   # any existing config.make.  This allows people to share the same source tree
3412   # with different build directories, one native and one cross
3413   #
3414   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3415
3416     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3417
3418     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3419     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3420     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3421     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3422     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3423     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3424     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3425     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3426
3427     case $INSTALL in
3428     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3429     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3430     esac
3431
3432     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3433
3434     export VERSION
3435     [myver=$($AWK 'BEGIN {
3436       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3437       if(length(vsplit [1]) > 4) {
3438         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3439       }
3440       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3441     }')]
3442
3443     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3444
3445     if test x$platform_darwin = xyes; then
3446       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3447     fi
3448
3449         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3450            enable_system_aot=yes
3451         fi
3452
3453         if test "x$enable_loadedllvm" = "xyes"; then
3454            # This seems to fail on the x86 buildbots
3455            enable_system_aot=no
3456         fi
3457
3458     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3459       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3460     fi
3461
3462     if test x$DISABLE_MCS_DOCS = xyes; then
3463       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3464     fi
3465
3466     if test x$with_moonlight != xno; then
3467       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3468     fi
3469
3470     if test x$has_extension_module != xno; then
3471         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3472     fi
3473
3474         default_profile=net_2_0
3475     if test -z "$INSTALL_4_0_TRUE"; then :
3476                 default_profile=net_4_0
3477     fi
3478     if test -z "$INSTALL_MONODROID_TRUE"; then :
3479                 default_profile=monodroid
3480     fi
3481     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3482                 default_profile=monotouch
3483     fi
3484     if test -z "$INSTALL_4_5_TRUE"; then :
3485                 default_profile=net_4_5
3486     fi
3487
3488     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3489
3490     if test "x$test_bcl_opt" = "xyes"; then
3491       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3492     fi
3493
3494   fi
3495
3496   # if we have an olive folder, override the default settings
3497   if test -d $olivedir; then
3498
3499     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3500
3501       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3502
3503       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3504       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3505       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3506       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3507       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3508       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3509     fi
3510   fi
3511
3512 )
3513
3514 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3515
3516 echo "
3517         mcs source:    $mcsdir
3518
3519    Engine:
3520         GC:            $gc_msg
3521         TLS:           $with_tls
3522         SIGALTSTACK:   $with_sigaltstack
3523         Engine:        $jit_status
3524         oprofile:      $OPROFILE
3525         BigArrays:     $enable_big_arrays
3526         DTrace:        $enable_dtrace
3527         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3528
3529    Libraries:
3530         .NET 2.0/3.5:  $with_profile2
3531         .NET 4.0:      $with_profile4
3532         .NET 4.5:      $with_profile4_5
3533         MonoDroid:     $with_monodroid
3534         MonoTouch:     $with_monotouch
3535         JNI support:   $jdk_headers_found
3536         libgdiplus:    $libgdiplus_msg
3537         zlib:          $zlib_msg
3538         $disabled
3539 "
3540 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3541    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3542 fi