configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.1],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AM_CONFIG_HEADER([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176 # TLS is only partially implemented on -CURRENT (compiler support
 177 # but NOT library support)
 178 #
 179                 with_tls=pthread
 180                 use_sigposix=yes
 181                 ;;
 182         *-*-*openbsd*)
 183                 host_win32=no
 184                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 189                 LDFLAGS="$LDFLAGS -pthread"
 190                 need_link_unlink=yes
 191                 AC_DEFINE(PTHREAD_POINTER_ID)
 192                 libdl=
 193                 gc_default=boehm
 194                 libgc_threads=pthreads
 195                 with_sigaltstack=no
 196                 use_sigposix=yes
 197                 ;;
 198         *-*-linux-android*)
 199                 host_win32=no
 200                 platform_android=yes
 201                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 202                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 203
 204                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 205                 if test "x$disable_munmap" != "xyes"; then
 206                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 207                 fi
 208                 libmono_cflags="-D_REENTRANT"
 209                 libdl="-ldl"
 210                 libgc_threads=pthreads
 211                 use_sigposix=yes
 212
 213                 with_tls=pthread
 214                 with_sigaltstack=no
 215                 with_static_mono=no
 216
 217                 # Android doesn't support boehm, as it's missing <link.h>
 218                 support_boehm=no
 219                 with_gc=sgen
 220
 221                 # isinf(3) requires -lm; see isinf check below
 222                 LDFLAGS="$LDFLAGS -lm"
 223
 224                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 225                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 226                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 227                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 228                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 229
 230                 # to bypass the underscore linker check, can't work when cross-compiling
 231                 mono_cv_uscore=yes
 232                 mono_cv_clang=no
 233                 ;;
 234         *-*-linux*)
 235                 host_win32=no
 236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 237                 if test "x$disable_munmap" != "xyes"; then
 238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 239                 fi
 240                 libmono_cflags="-D_REENTRANT"
 241                 libdl="-ldl"
 242                 libgc_threads=pthreads
 243                 use_sigposix=yes
 244                 ;;
 245         *-*-nacl*)
 246                 host_win32=no
 247                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 248                 if test "x$disable_munmap" != "xyes"; then
 249                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 250                 fi
 251                 libmono_cflags="-D_REENTRANT"
 252                 libdl=
 253                 libgc_threads=pthreads
 254                 gc_default=boehm
 255                 use_sigposix=yes
 256                 ikvm_native=no
 257                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 258                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 259                 ;;
 260         *-*-hpux*)
 261                 host_win32=no
 262                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 263                 # +ESdbgasm only valid on bundled cc on RISC
 264                 # silently ignored for ia64
 265                 if test $GCC != "yes"; then
 266                         CFLAGS="$CFLAGS +ESdbgasm"
 267                         # Arrange for run-time dereferencing of null
 268                         # pointers to produce a SIGSEGV signal.
 269                         LDFLAGS="$LDFLAGS -z"
 270                 fi
 271                 CFLAGS="$CFLAGS +ESdbgasm"
 272                 LDFLAGS="$LDFLAGS -z"
 273                 libmono_cflags="-D_REENTRANT"
 274                 libmono_ldflags="-lpthread"
 275                 libgc_threads=pthreads
 276                 need_link_unlink=yes
 277                 use_sigposix=yes
 278                 ;;
 279         *-*-solaris*)
 280                 host_win32=no
 281                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 282                 need_link_unlink=yes
 283                 libmono_cflags="-D_REENTRANT"
 284                 libgc_threads=pthreads
 285                 # This doesn't seem to work on solaris/x86, but the configure test runs
 286                 with_tls=pthread
 287                 has_dtrace=yes
 288                 use_sigposix=yes
 289                 enable_solaris_tar_check=yes
 290                 ;;
 291         *-*-darwin*)
 292                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 293                 host_win32=no
 294                 platform_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 298                 libmono_cflags="-D_THREAD_SAFE"
 299                 LDFLAGS="$LDFLAGS -pthread"
 300                 libmono_ldflags="-pthread"
 301                 need_link_unlink=yes
 302                 AC_DEFINE(PTHREAD_POINTER_ID)
 303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 304                 no_version_script=yes
 305                 libdl=
 306                 libgc_threads=pthreads
 307                 has_dtrace=yes
 308                 if test "x$cross_compiling" = "xyes"; then
 309                         has_broken_apple_cpp=yes
 310                 fi
 311                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 312                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 313                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 314                 case "$host" in
 315                         dnl Snow Leopard and newer config.guess reports as this
 316                         i*86-*-darwin*)
 317                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE -mmacosx-version-min=10.5"
 318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 324                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 325                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 326                                 ;;
 327                         arm*-darwin*)
 328                                 has_dtrace=no
 329                                 ;;
 330                 esac
 331                 ;;
 332         *-*-haiku*)
 333                 host_win32=no
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 345                 host_win32=no
 346                 libdl="-ldl"
 347                 ;;
 348 esac
 349 AC_MSG_RESULT(ok)
 350
 351 if test x$need_link_unlink = xyes; then
 352    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 353 fi
 354
 355 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 356 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 357 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 358 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 359 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 360 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 361
 362 AC_CHECK_TOOL(CC, gcc, gcc)
 363 AC_PROG_CC
 364 AC_CHECK_TOOL(CXX, g++, g++)
 365 AC_PROG_CXX
 366 AM_PROG_AS
 367 AM_PROG_CC_STDC
 368 AC_PROG_INSTALL
 369 AC_PROG_AWK
 370 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 371 : ${CCAS='$(CC)'}
 372 # Set ASFLAGS if not already set.
 373 : ${CCASFLAGS='$(CFLAGS)'}
 374 AC_SUBST(CCAS)
 375 AC_SUBST(CCASFLAGS)
 376
 377 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 378 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 379 if test "x$CXX" = "xg++"; then
 380         if test "x$GXX" != "xyes"; then
 381                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 382                 # are inside automake conditionals
 383                 AC_MSG_ERROR([You need to install g++])
 384         fi
 385 fi
 386
 387 dnl may require a specific autoconf version
 388 dnl AC_PROG_CC_FOR_BUILD
 389 dnl CC_FOR_BUILD not automatically detected
 390 CC_FOR_BUILD=$CC
 391 CFLAGS_FOR_BUILD=$CFLAGS
 392 BUILD_EXEEXT=
 393 if test "x$cross_compiling" = "xyes"; then
 394         CC_FOR_BUILD=cc
 395         CFLAGS_FOR_BUILD=
 396         BUILD_EXEEXT=""
 397 fi
 398 AC_SUBST(CC_FOR_BUILD)
 399 AC_SUBST(CFLAGS_FOR_BUILD)
 400 AC_SUBST(HOST_CC)
 401 AC_SUBST(BUILD_EXEEXT)
 402
 403 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 404 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 405
 406 # Set STDC_HEADERS
 407 AC_HEADER_STDC
 408 AC_LIBTOOL_WIN32_DLL
 409 # This causes monodis to not link correctly
 410 #AC_DISABLE_FAST_INSTALL
 411 AM_PROG_LIBTOOL
 412 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 413 DOLT
 414
 415 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 416 AC_SUBST(export_ldflags)
 417
 418 # Test whenever ld supports -version-script
 419 AC_PROG_LD
 420 AC_PROG_LD_GNU
 421 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 422    no_version_script=yes
 423 fi
 424
 425 AM_ICONV()
 426
 427 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 428
 429 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)
 430 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)
 431 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 432                   [], [], [#include <stddef.h>
 433                   #include <sys/socket.h>
 434                   #include <linux/socket.h>])
 435
 436 AC_CHECK_HEADERS(sys/user.h, [], [],
 437 [
 438 #ifdef HAVE_SYS_PARAM_H
 439 # include <sys/param.h>
 440 #endif
 441 ])
 442
 443 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 444 if test x$have_zlib = xyes; then
 445    AC_TRY_COMPILE([#include <zlib.h>], [
 446    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 447    return 0;
 448    #else
 449    #error No good zlib found
 450    #endif
 451    ],[
 452         AC_MSG_RESULT(Using system zlib)
 453         zlib_msg="system zlib"
 454         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 455    ],[
 456         AC_MSG_RESULT(Using embedded zlib)
 457         have_zlib=no
 458         zlib_msg="bundled zlib"
 459    ])
 460 fi
 461
 462 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 463 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 464
 465 # for mono/metadata/debug-symfile.c
 466 AC_CHECK_HEADERS(elf.h)
 467
 468 # for support
 469 AC_CHECK_HEADERS(poll.h)
 470 AC_CHECK_HEADERS(sys/poll.h)
 471 AC_CHECK_HEADERS(sys/wait.h)
 472 AC_CHECK_HEADERS(grp.h)
 473 AC_CHECK_HEADERS(syslog.h)
 474
 475 # for mono/dis
 476 AC_CHECK_HEADERS(wchar.h)
 477 AC_CHECK_HEADERS(ieeefp.h)
 478 AC_MSG_CHECKING(for isinf)
 479 AC_TRY_LINK([#include <math.h>], [
 480         int f = isinf (1);
 481 ], [
 482         AC_MSG_RESULT(yes)
 483         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 484 ], [
 485         # We'll have to use signals
 486         AC_MSG_RESULT(no)
 487 ])
 488
 489 # for Linux statfs support
 490 AC_CHECK_HEADERS(linux/magic.h)
 491
 492 # not 64 bit clean in cross-compile
 493 AC_CHECK_SIZEOF(void *, 4)
 494
 495 WARN=''
 496 if test x"$GCC" = xyes; then
 497         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
 498                 # The runtime code does not respect ANSI C strict aliasing rules
 499                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 500
 501                 ORIG_CFLAGS=$CFLAGS
 502                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 503                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 504                 AC_TRY_COMPILE([],[
 505                                 return 0;
 506                 ], [
 507                    AC_MSG_RESULT(yes)
 508                 ], [
 509                    AC_MSG_RESULT(no)
 510                    CFLAGS=$ORIG_CFLAGS
 511                 ])
 512
 513                 ORIG_CFLAGS=$CFLAGS
 514                 # Check for the normal version, since gcc ignores unknown -Wno options
 515                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 516                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 517                 AC_TRY_COMPILE([],[
 518                                 return 0;
 519                 ], [
 520                    AC_MSG_RESULT(yes)
 521                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 522                 ], [
 523                    AC_MSG_RESULT(no)
 524                    CFLAGS=$ORIG_CFLAGS
 525                 ])
 526 else
 527         # The Sun Forte compiler complains about inline functions that access static variables
 528         # so disable all inlining.
 529         case "$host" in
 530         *-*-solaris*)
 531                 CFLAGS="$CFLAGS -Dinline="
 532                 ;;
 533         esac
 534 fi
 535 CFLAGS="$CFLAGS -g $WARN"
 536 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 537
 538 AC_CACHE_CHECK([for clang],
 539         mono_cv_clang,[
 540         AC_TRY_RUN([
 541                 int main () {
 542                         #ifdef __clang__
 543                                 return 0;
 544                         #else
 545                                 return 1;
 546                         #endif
 547                 }
 548         ],
 549         [mono_cv_clang=yes],
 550         [mono_cv_clang=no],
 551         [])
 552 ])
 553
 554 # Where's the 'mcs' source tree?
 555 if test -d $srcdir/mcs; then
 556   mcsdir=mcs
 557 else
 558   mcsdir=../mcs
 559 fi
 560
 561 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 562         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 563                 mcsdir=$with_mcs_path
 564         fi
 565 )
 566
 567 #
 568 # A sanity check to catch cases where the package was unpacked
 569 # with an ancient tar program (Solaris)
 570 #
 571 AC_ARG_ENABLE(solaris-tar-check,
 572 [  --disable-solaris-tar-check    disable solaris tar check],
 573    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 574
 575 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 576         AC_MSG_CHECKING(integrity of package)
 577         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 578         then
 579                 AC_MSG_RESULT(ok)
 580         else
 581                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 582                 AC_MSG_ERROR([$errorm])
 583         fi
 584 fi
 585
 586 if test "x$with_mcs_path" != "x"; then
 587 mcs_topdir=$(cd "$mcsdir" && pwd)
 588 mcs_topdir_from_srcdir=$mcs_topdir
 589 else
 590 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 591 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 592 fi
 593
 594 # Convert mcs_topdir* paths to Windows syntax.
 595 if test x$cross_compiling$host_win32 = xnoyes; then
 596   mcs_topdir=$(cygpath -m $mcs_topdir)
 597   case $mcs_topdir_from_srcdir in
 598     /cygdrive/*)
 599         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 600         ;;
 601   esac
 602 fi
 603
 604 AC_SUBST([mcs_topdir])
 605 AC_SUBST([mcs_topdir_from_srcdir])
 606
 607 # Where's the 'olive' source tree?
 608 if test -d $srcdir/olive; then
 609   olivedir=olive
 610 else
 611   olivedir=../olive
 612 fi
 613
 614 if test -d $srcdir/$olivedir; then
 615 olive_topdir='$(top_srcdir)/'$olivedir
 616 fi
 617
 618 # gettext: prepare the translation directories.
 619 # we do not configure the full gettext, as we consume it dynamically from C#
 620 AM_PO_SUBDIRS
 621
 622 if test "x$USE_NLS" = "xyes"; then
 623    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 624
 625    if test "x$HAVE_MSGFMT" = "xno"; then
 626           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 627    fi
 628 fi
 629
 630 AC_ARG_WITH([libgdiplus],
 631         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 632         [], [with_libgdiplus=installed])
 633
 634 case $with_libgdiplus in
 635 no|installed) libgdiplus_loc= ;;
 636 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 637 /*) libgdiplus_loc=$with_libgdiplus ;;
 638 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 639 esac
 640 AC_SUBST([libgdiplus_loc])
 641
 642 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 643
 644 pkg_config_path=
 645 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 646         if test x$with_crosspkgdir = "x"; then
 647                 if test -s $PKG_CONFIG_PATH; then
 648                         pkg_config_path=$PKG_CONFIG_PATH
 649                 fi
 650         else
 651                 pkg_config_path=$with_crosspkgdir
 652                 PKG_CONFIG_PATH=$pkg_config_path
 653                 export PKG_CONFIG_PATH
 654         fi
 655 )
 656
 657 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 658 AC_CONFIG_SUBDIRS(eglib)
 659
 660 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 661 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 662 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 663 BUILD_GLIB_LIBS="$GLIB_LIBS"
 664 GMODULE_CFLAGS="$GLIB_CFLAGS"
 665 GMODULE_LIBS="$GLIB_LIBS"
 666
 667 AC_SUBST(GLIB_CFLAGS)
 668 AC_SUBST(GLIB_LIBS)
 669 AC_SUBST(GMODULE_CFLAGS)
 670 AC_SUBST(GMODULE_LIBS)
 671 AC_SUBST(BUILD_GLIB_CFLAGS)
 672 AC_SUBST(BUILD_GLIB_LIBS)
 673
 674 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 675
 676 # Enable support for fast thread-local storage
 677 # Some systems have broken support, so we allow to disable it.
 678 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 679
 680 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 681 # This does not work on some platforms (bug #55253)
 682 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 683
 684 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 685 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 686 # Same as --with-shared_mono=no
 687 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 688
 689 if test "x$enable_static" = "xno"; then
 690    with_static_mono=no
 691 fi
 692
 693 if test "x$enable_shared" = "xno"; then
 694    with_shared_mono=no
 695 fi
 696
 697 if test "x$enable_libraries" = "xno"; then
 698    with_shared_mono=no
 699 fi
 700
 701 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 702
 703 case $host in
 704 *nacl* ) with_shared_mono=yes;;
 705 esac
 706
 707 if test "x$host_win32" = "xyes"; then
 708    # Boehm GC requires the runtime to be in its own dll
 709    with_static_mono=no
 710 fi
 711
 712 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 713 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 714 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 715
 716 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 717 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 718         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 719         ORIG_CFLAGS=$CFLAGS
 720         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 721         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 722         AC_TRY_COMPILE([], [
 723                 return 0;
 724         ], [
 725            AC_MSG_RESULT(yes)
 726            # Pass it to libgc as well
 727            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 728         ], [
 729            AC_MSG_RESULT(no)
 730            CFLAGS=$ORIG_CFLAGS
 731         ])
 732 fi
 733
 734 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 735
 736 if test x$enable_small_config = xyes; then
 737         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 738         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 739 fi
 740
 741 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=$enableval, enable_system_aot=default)
 742
 743 DISABLED_FEATURES=none
 744
 745 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 746      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 747      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping, shared_perfcounters.],
 748 [
 749         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 750                 eval "mono_feature_disable_$feature='yes'"
 751         done
 752         DISABLED_FEATURES=$enable_minimal
 753         disabled="Disabled:      $enable_minimal"
 754 ],[])
 755
 756 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 757
 758 if test "x$mono_feature_disable_aot" = "xyes"; then
 759         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 760         AC_MSG_NOTICE([Disabled AOT compiler])
 761 fi
 762
 763 if test "x$mono_feature_disable_profiler" = "xyes"; then
 764         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 765         AC_MSG_NOTICE([Disabled support for the profiler])
 766 fi
 767 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 768
 769 if test "x$mono_feature_disable_decimal" = "xyes"; then
 770         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 771         AC_MSG_NOTICE([Disabled support for decimal])
 772 fi
 773
 774 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 775         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 776         AC_MSG_NOTICE([Disabled support for P/Invoke])
 777 fi
 778
 779 if test "x$mono_feature_disable_debug" = "xyes"; then
 780         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 781         AC_MSG_NOTICE([Disabled support for runtime debugging])
 782 fi
 783
 784 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 785         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 786         mono_feature_disable_reflection_emit_save=yes
 787         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 788 fi
 789
 790 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 791         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 792         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 793 fi
 794
 795 if test "x$mono_feature_disable_large_code" = "xyes"; then
 796         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 797         AC_MSG_NOTICE([Disabled support for large assemblies])
 798 fi
 799
 800 if test "x$mono_feature_disable_logging" = "xyes"; then
 801         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 802         AC_MSG_NOTICE([Disabled support for logging])
 803 fi
 804
 805 if test "x$mono_feature_disable_com" = "xyes"; then
 806         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 807         AC_MSG_NOTICE([Disabled COM support])
 808 fi
 809
 810 if test "x$mono_feature_disable_ssa" = "xyes"; then
 811         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 812         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 813 fi
 814
 815 if test "x$mono_feature_disable_generics" = "xyes"; then
 816         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 817         AC_MSG_NOTICE([Disabled Generics Support])
 818 fi
 819
 820 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 821         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 822         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 823 fi
 824
 825 if test "x$mono_feature_disable_portability" = "xyes"; then
 826         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 827         AC_MSG_NOTICE([Disabled IO Portability layer])
 828 fi
 829
 830 if test "x$mono_feature_disable_attach" = "xyes"; then
 831         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 832         AC_MSG_NOTICE([Disabled agent attach])
 833 fi
 834
 835 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 836         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 837         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 838 fi
 839
 840 if test "x$mono_feature_disable_verifier" = "xyes"; then
 841         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 842         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 843 fi
 844
 845 if test "x$mono_feature_disable_jit" = "xyes"; then
 846         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 847         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 848 fi
 849
 850 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 851
 852 if test "x$mono_feature_disable_simd" = "xyes"; then
 853         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 854         AC_MSG_NOTICE([Disabled SIMD support])
 855 fi
 856
 857 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 858         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 859         AC_MSG_NOTICE([Disabled Soft Debugger.])
 860 fi
 861
 862 if test "x$mono_feature_disable_normalization" = "xyes"; then
 863         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 864         AC_MSG_NOTICE([Disabled String normalization support.])
 865 fi
 866
 867 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 868         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 869         AC_MSG_NOTICE([Disabled Assembly remapping.])
 870 fi
 871
 872 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 873         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 874         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 875 fi
 876
 877 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 878 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 879
 880 AC_MSG_CHECKING(for visibility __attribute__)
 881 AC_COMPILE_IFELSE([
 882         AC_LANG_SOURCE([[
 883                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 884                 int main () { doit (); return 0; }
 885         ]])
 886 ], [
 887    have_visibility_hidden=yes
 888    AC_MSG_RESULT(yes)
 889 ], [
 890    have_visibility_hidden=no
 891    AC_MSG_RESULT(no)
 892 ])
 893
 894 AC_MSG_CHECKING(for deprecated __attribute__)
 895 AC_TRY_COMPILE([
 896      int doit (void) __attribute__ ((deprecated));
 897      int doit (void) { return 0; }
 898 ], [
 899         return 0;
 900 ], [
 901    have_deprecated=yes
 902    AC_MSG_RESULT(yes)
 903 ], [
 904    have_deprecated=no
 905    AC_MSG_RESULT(no)
 906 ])
 907
 908 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 909 if test x$enable_parallel_mark = xyes; then
 910         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 911 fi
 912
 913 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 914 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 915
 916 dnl
 917 dnl Boehm GC configuration
 918 dnl
 919 LIBGC_CPPFLAGS=
 920 LIBGC_LIBS=
 921 LIBGC_STATIC_LIBS=
 922 libgc_dir=
 923 case "x$gc" in
 924         xboehm|xbohem|xyes)
 925                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 926                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 927
 928                 if test "x$found_boehm" != "xyes"; then
 929                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 930                 fi
 931                 if test "x$gc_headers" != "xyes"; then
 932                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 933                 fi
 934
 935                 LIBGC_LIBS="-lgc $libdl"
 936                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 937                 libmono_ldflags="$libmono_ldflags -lgc"
 938                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 939
 940                 # AC_CHECK_FUNCS does not work for some reason...
 941                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 942                 if test "x$found_gcj_malloc" = "xyes"; then
 943                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 944                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 945                         gc_msg="System Boehm with typed GC"
 946                 else
 947                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 948                         gc_msg="System Boehm (without typed GC)"
 949                 fi
 950                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 951                 if test "x$found_gc_enable" = "xyes"; then
 952                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 953                 fi
 954
 955                 # check whether we need to explicitly allow
 956                 # thread registering
 957                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 958                 if test "x$found_allow_register_threads" = "xyes"; then
 959                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 960                 fi
 961
 962                 ;;
 963
 964         xincluded)
 965                 use_included_gc=yes
 966                 libgc_dir=libgc
 967
 968                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 969                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 970                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 971
 972                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
 973
 974                 gc_msg="bundled Boehm GC with typed GC"
 975                 if test x$enable_parallel_mark = xyes; then
 976                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
 977                         gc_msg="$gc_msg and parallel mark"
 978                 else
 979                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
 980                 fi
 981                 ;;
 982
 983         xsgen)
 984                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
 985                 ;;
 986
 987         xnone)
 988                 AC_MSG_WARN("Compiling mono without GC.")
 989                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
 990                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
 991                 ;;
 992         *)
 993                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 994                 ;;
 995 esac
 996
 997 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
 998 if test "x$large_heap" = "xyes"; then
 999    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1000 fi
1001
1002 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1003 AC_SUBST(LIBGC_CPPFLAGS)
1004 AC_SUBST(LIBGC_LIBS)
1005 AC_SUBST(LIBGC_STATIC_LIBS)
1006 AC_SUBST(libgc_dir)
1007 AC_SUBST(BOEHM_DEFINES)
1008
1009 dnl
1010 dnl End of libgc checks
1011 dnl
1012
1013 dnl *************************************
1014 dnl *** Checks for zero length arrays ***
1015 dnl *************************************
1016 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1017 AC_TRY_COMPILE([
1018         struct s {
1019                 int  length;
1020                 char data [0];
1021         };
1022 ], [], [
1023         AC_MSG_RESULT(yes)
1024         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1025 ], [
1026         AC_MSG_RESULT(no)
1027         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1028 ])
1029
1030 if test x$target_win32 = xno; then
1031
1032         dnl hires monotonic clock support
1033         AC_SEARCH_LIBS(clock_gettime, rt)
1034
1035         dnl dynamic loader support
1036         AC_CHECK_FUNC(dlopen, DL_LIB="",
1037                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1038         )
1039         if test x$dl_support = xno; then
1040                 AC_MSG_WARN([No dynamic loading support available])
1041         else
1042                 LIBS="$LIBS $DL_LIB"
1043                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1044                 dnl from glib's configure.in
1045                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1046                         mono_cv_uscore,[
1047                         AC_TRY_RUN([#include <dlfcn.h>
1048                         int mono_underscore_test (void) { return 42; }
1049                         int main() {
1050                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1051                           handle = dlopen ((void*)0, 0);
1052                           if (handle) {
1053                             f1 = dlsym (handle, "mono_underscore_test");
1054                             f2 = dlsym (handle, "_mono_underscore_test");
1055                           } return (!f2 || f1);
1056                         }],
1057                                 [mono_cv_uscore=yes],
1058                                 [mono_cv_uscore=no],
1059                         [])
1060                 ])
1061                 if test "x$mono_cv_uscore" = "xyes"; then
1062                         MONO_DL_NEED_USCORE=1
1063                 else
1064                         MONO_DL_NEED_USCORE=0
1065                 fi
1066                 AC_SUBST(MONO_DL_NEED_USCORE)
1067                 AC_CHECK_FUNC(dlerror)
1068         fi
1069
1070         dnl ******************************************************************
1071         dnl *** Checks for the IKVM JNI interface library                  ***
1072         dnl ******************************************************************
1073         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])
1074
1075         ikvm_native_dir=
1076         if test x$with_ikvm_native = xyes; then
1077                 ikvm_native_dir=ikvm-native
1078                 jdk_headers_found="IKVM Native"
1079         fi
1080
1081         AC_SUBST(ikvm_native_dir)
1082
1083         AC_CHECK_HEADERS(execinfo.h)
1084
1085         AC_CHECK_FUNCS(getgrgid_r)
1086         AC_CHECK_FUNCS(getgrnam_r)
1087         AC_CHECK_FUNCS(getpwnam_r)
1088         AC_CHECK_FUNCS(getpwuid_r)
1089         AC_CHECK_FUNCS(getresuid)
1090         AC_CHECK_FUNCS(setresuid)
1091         AC_CHECK_FUNCS(kqueue)
1092         AC_CHECK_FUNCS(backtrace_symbols)
1093         AC_CHECK_FUNCS(mkstemp)
1094         AC_CHECK_FUNCS(mmap)
1095         AC_CHECK_FUNCS(madvise)
1096         AC_CHECK_FUNCS(getrusage)
1097         AC_CHECK_FUNCS(getpriority)
1098         AC_CHECK_FUNCS(setpriority)
1099         AC_CHECK_FUNCS(dl_iterate_phdr)
1100         AC_CHECK_FUNCS(dladdr)
1101         AC_CHECK_FUNCS(sysconf)
1102
1103         AC_CHECK_FUNCS(sched_setaffinity)
1104         AC_CHECK_FUNCS(sched_getcpu)
1105
1106         dnl ****************************************************************
1107         dnl *** Check for sched_setaffinity from glibc versions before   ***
1108         dnl *** 2.3.4. The older versions of the function only take 2    ***
1109         dnl *** parameters, not 3.                                       ***
1110         dnl ***                                                          ***
1111         dnl *** Because the interface change was not made in a minor     ***
1112         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1113         dnl *** won't always indicate the interface sched_affinity has.  ***
1114         dnl ****************************************************************
1115         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1116         AC_TRY_COMPILE([#include <sched.h>], [
1117             int mask = 1;
1118             sched_setaffinity(0, &mask);
1119                         return 0;
1120         ], [
1121                 # Yes, we have it...
1122                 AC_MSG_RESULT(yes)
1123                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1124         ], [
1125                 # We have the new, three-parameter version
1126                 AC_MSG_RESULT(no)
1127         ])
1128
1129
1130         dnl ******************************************************************
1131         dnl *** Check for large file support                               ***
1132         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1133         dnl ******************************************************************
1134
1135         # Check that off_t can represent 2**63 - 1 correctly, working around
1136         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1137         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1138         large_offt=no
1139         AC_DEFUN([LARGE_FILES], [
1140                 large_CPPFLAGS=$CPPFLAGS
1141                 CPPFLAGS="$CPPFLAGS $1"
1142                 AC_TRY_COMPILE([
1143                         #include <sys/types.h>
1144                         #include <limits.h>
1145                 ], [
1146                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1147                         #define COMPILE_TIME_ASSERT(pred) \
1148                                 switch(0){case 0:case pred:;}
1149                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1150                 ], [
1151                         AC_MSG_RESULT(ok)
1152                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1153                         large_CPPFLAGS="$large_CPPFLAGS $1"
1154                         large_offt=yes
1155                 ], [
1156                         AC_MSG_RESULT(no)
1157                 ])
1158                 CPPFLAGS=$large_CPPFLAGS
1159         ])
1160
1161         AC_MSG_CHECKING(if off_t is 64 bits wide)
1162         LARGE_FILES("")
1163         if test $large_offt = no; then
1164                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1165                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1166         fi
1167         if test $large_offt = no; then
1168                 AC_MSG_WARN([No 64 bit file size support available])
1169         fi
1170
1171         dnl *****************************
1172         dnl *** Checks for libsocket  ***
1173         dnl *****************************
1174         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1175
1176         dnl *******************************
1177         dnl *** Checks for MSG_NOSIGNAL ***
1178         dnl *******************************
1179         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1180         AC_TRY_COMPILE([#include <sys/socket.h>], [
1181                 int f = MSG_NOSIGNAL;
1182         ], [
1183                 # Yes, we have it...
1184                 AC_MSG_RESULT(yes)
1185                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1186         ], [
1187                 # We'll have to use signals
1188                 AC_MSG_RESULT(no)
1189         ])
1190
1191         dnl *****************************
1192         dnl *** Checks for SOL_IP     ***
1193         dnl *****************************
1194         AC_MSG_CHECKING(for SOL_IP)
1195         AC_TRY_COMPILE([#include <netdb.h>], [
1196                 int level = SOL_IP;
1197         ], [
1198                 # Yes, we have it...
1199                 AC_MSG_RESULT(yes)
1200                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1201         ], [
1202                 # We'll have to use getprotobyname
1203                 AC_MSG_RESULT(no)
1204         ])
1205
1206         dnl *****************************
1207         dnl *** Checks for SOL_IPV6     ***
1208         dnl *****************************
1209         AC_MSG_CHECKING(for SOL_IPV6)
1210         AC_TRY_COMPILE([#include <netdb.h>], [
1211                 int level = SOL_IPV6;
1212         ], [
1213                 # Yes, we have it...
1214                 AC_MSG_RESULT(yes)
1215                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1216         ], [
1217                 # We'll have to use getprotobyname
1218                 AC_MSG_RESULT(no)
1219         ])
1220
1221         dnl *****************************
1222         dnl *** Checks for SOL_TCP    ***
1223         dnl *****************************
1224         AC_MSG_CHECKING(for SOL_TCP)
1225         AC_TRY_COMPILE([#include <netdb.h>], [
1226                 int level = SOL_TCP;
1227         ], [
1228                 # Yes, we have it...
1229                 AC_MSG_RESULT(yes)
1230                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1231         ], [
1232                 # We'll have to use getprotobyname
1233                 AC_MSG_RESULT(no)
1234         ])
1235
1236         dnl *****************************
1237         dnl *** Checks for IP_PKTINFO ***
1238         dnl *****************************
1239         AC_MSG_CHECKING(for IP_PKTINFO)
1240         AC_TRY_COMPILE([#include <netdb.h>], [
1241                 int level = IP_PKTINFO;
1242         ], [
1243                 # Yes, we have it...
1244                 AC_MSG_RESULT(yes)
1245                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1246         ], [
1247                 AC_MSG_RESULT(no)
1248         ])
1249
1250         dnl *****************************
1251         dnl *** Checks for IPV6_PKTINFO ***
1252         dnl *****************************
1253         AC_MSG_CHECKING(for IPV6_PKTINFO)
1254         AC_TRY_COMPILE([#include <netdb.h>], [
1255                 int level = IPV6_PKTINFO;
1256         ], [
1257                 # Yes, we have it...
1258                 AC_MSG_RESULT(yes)
1259                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1260         ], [
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl **********************************
1265         dnl *** Checks for IP_DONTFRAGMENT ***
1266         dnl **********************************
1267         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1268         AC_TRY_COMPILE([#include <netdb.h>], [
1269                 int level = IP_DONTFRAGMENT;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1274         ], [
1275                 AC_MSG_RESULT(no)
1276         ])
1277
1278         dnl **********************************
1279         dnl *** Checks for IP_MTU_DISCOVER ***
1280         dnl **********************************
1281         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1282         AC_TRY_COMPILE([#include <netdb.h>], [
1283                 int level = IP_MTU_DISCOVER;
1284         ], [
1285                 # Yes, we have it...
1286                 AC_MSG_RESULT(yes)
1287                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1288         ], [
1289                 AC_MSG_RESULT(no)
1290         ])
1291
1292         dnl *********************************
1293         dnl *** Check for struct ip_mreqn ***
1294         dnl *********************************
1295         AC_MSG_CHECKING(for struct ip_mreqn)
1296         AC_TRY_COMPILE([#include <netinet/in.h>], [
1297                 struct ip_mreqn mreq;
1298                 mreq.imr_address.s_addr = 0;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1303         ], [
1304                 # We'll just have to try and use struct ip_mreq
1305                 AC_MSG_RESULT(no)
1306                 AC_MSG_CHECKING(for struct ip_mreq)
1307                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1308                         struct ip_mreq mreq;
1309                         mreq.imr_interface.s_addr = 0;
1310                 ], [
1311                         # Yes, we have it...
1312                         AC_MSG_RESULT(yes)
1313                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1314                 ], [
1315                         # No multicast support
1316                         AC_MSG_RESULT(no)
1317                 ])
1318         ])
1319
1320         dnl **********************************
1321         dnl *** Check for gethostbyname2_r ***
1322         dnl **********************************
1323         AC_MSG_CHECKING(for gethostbyname2_r)
1324                 AC_TRY_LINK([#include <netdb.h>], [
1325                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1326         ], [
1327                 # Yes, we have it...
1328                 AC_MSG_RESULT(yes)
1329                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1330         ], [
1331                 AC_MSG_RESULT(no)
1332         ])
1333
1334         dnl *****************************
1335         dnl *** Checks for libnsl     ***
1336         dnl *****************************
1337         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1338
1339         AC_CHECK_FUNCS(inet_pton inet_aton)
1340
1341         dnl ***********************************************
1342         dnl *** Checks for size of sockaddr_un.sun_path ***
1343         dnl ***********************************************
1344         # AC_CHECK_SIZEOF can't cope with struct members :-(
1345         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1346         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1347                 [AC_TRY_RUN([
1348                         #include <sys/types.h>
1349                         #include <stdio.h>
1350                         #include <sys/un.h>
1351
1352                         int main(void) {
1353                                 struct sockaddr_un sock_un;
1354                                 FILE *f=fopen("conftestval", "w");
1355                                 if(!f) exit(1);
1356                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1357                                 exit(0);
1358                         }
1359                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1360                    mono_cv_sizeof_sunpath=0,
1361                    mono_cv_sizeof_sunpath=0)])dnl
1362         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1363         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1364
1365         dnl *****************************
1366         dnl *** Checks for libxnet    ***
1367         dnl *****************************
1368         case "${host}" in
1369                 *solaris* )
1370                         AC_MSG_CHECKING(for Solaris XPG4 support)
1371                         if test -f /usr/lib/libxnet.so; then
1372                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1373                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1374                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1375                                 LIBS="$LIBS -lxnet"
1376                                 AC_MSG_RESULT(yes)
1377                         else
1378                                 AC_MSG_RESULT(no)
1379                         fi
1380
1381                         if test "$GCC" = "yes"; then
1382                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1383                         fi
1384                 ;;
1385         esac
1386
1387         dnl *****************************
1388         dnl *** Checks for libpthread ***
1389         dnl *****************************
1390 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1391 # and libpthread does not exist
1392 #
1393         case "${host}" in
1394                 *-*-*freebsd*)
1395                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1396                 ;;
1397                 *-*-*openbsd*)
1398                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1399                 ;;
1400                 *)
1401                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1402                 ;;
1403         esac
1404         AC_CHECK_HEADERS(pthread.h)
1405         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1406         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1407         AC_CHECK_FUNCS(pthread_kill)
1408         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1409         AC_TRY_COMPILE([ #include <pthread.h>], [
1410                 pthread_mutexattr_t attr;
1411                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1412         ], [
1413                 AC_MSG_RESULT(ok)
1414         ], [
1415                 AC_MSG_RESULT(no)
1416                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1417                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1418         ])
1419         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1420         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1421         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1422
1423         dnl ***********************************
1424         dnl *** Checks for signals
1425         dnl ***********************************
1426         AC_CHECK_HEADERS(signal.h)
1427         AC_CHECK_FUNCS(sigaction)
1428
1429         dnl ***********************************
1430         dnl *** Checks for working __thread ***
1431         dnl ***********************************
1432         AC_MSG_CHECKING(for working __thread)
1433         if test "x$with_tls" != "x__thread"; then
1434                 AC_MSG_RESULT(disabled)
1435         else
1436                 AC_TRY_RUN([
1437                         #include <pthread.h>
1438                         __thread int i;
1439                         static int res1, res2;
1440
1441                         void thread_main (void *arg)
1442                         {
1443                                 i = arg;
1444                                 sleep (1);
1445                                 if (arg == 1)
1446                                         res1 = (i == arg);
1447                                 else
1448                                         res2 = (i == arg);
1449                         }
1450
1451                         int main () {
1452                                 pthread_t t1, t2;
1453
1454                                 i = 5;
1455
1456                                 pthread_create (&t1, NULL, thread_main, 1);
1457                                 pthread_create (&t2, NULL, thread_main, 2);
1458
1459                                 pthread_join (t1, NULL);
1460                                 pthread_join (t2, NULL);
1461
1462                                 return !(res1 + res2 == 2);
1463                         }
1464                 ], [
1465                                 AC_MSG_RESULT(yes)
1466                 ], [
1467                                 AC_MSG_RESULT(no)
1468                                 with_tls=pthread
1469                 ])
1470         fi
1471
1472         dnl **************************************
1473         dnl *** Checks for working sigaltstack ***
1474         dnl **************************************
1475         AC_MSG_CHECKING(for working sigaltstack)
1476         if test "x$with_sigaltstack" != "xyes"; then
1477                 AC_MSG_RESULT(disabled)
1478         else
1479                 AC_TRY_RUN([
1480                         #include <stdio.h>
1481                         #include <stdlib.h>
1482                         #include <unistd.h>
1483                         #include <signal.h>
1484                         #include <pthread.h>
1485                         #include <sys/wait.h>
1486                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1487                         #define SA_STACK SA_ONSTACK
1488                         #endif
1489                         static void
1490                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1491                         {
1492                                 exit (0);
1493                         }
1494
1495                         volatile char*__ptr = NULL;
1496                         static void *
1497                         loop (void *ignored)
1498                         {
1499                                 *__ptr = 0;
1500                                 return NULL;
1501                         }
1502
1503                         static void
1504                         child ()
1505                         {
1506                                 struct sigaction sa;
1507                         #ifdef __APPLE__
1508                                 stack_t sas;
1509                         #else
1510                                 struct sigaltstack sas;
1511                         #endif
1512                                 pthread_t id;
1513                                 pthread_attr_t attr;
1514
1515                                 sa.sa_sigaction = sigsegv_signal_handler;
1516                                 sigemptyset (&sa.sa_mask);
1517                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1518                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1519                                         perror ("sigaction");
1520                                         return;
1521                                 }
1522
1523                                 /* x86 darwin deliver segfaults using SIGBUS */
1524                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1525                                         perror ("sigaction");
1526                                         return;
1527                                 }
1528                                 sas.ss_sp = malloc (SIGSTKSZ);
1529                                 sas.ss_size = SIGSTKSZ;
1530                                 sas.ss_flags = 0;
1531                                 if (sigaltstack (&sas, NULL) == -1) {
1532                                         perror ("sigaltstack");
1533                                         return;
1534                                 }
1535
1536                                 pthread_attr_init (&attr);
1537                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1538                                         printf ("pthread_create\n");
1539                                         return;
1540                                 }
1541
1542                                 sleep (100);
1543                         }
1544
1545                         int
1546                         main ()
1547                         {
1548                                 pid_t son;
1549                                 int status;
1550                                 int i;
1551
1552                                 son = fork ();
1553                                 if (son == -1) {
1554                                         return 1;
1555                                 }
1556
1557                                 if (son == 0) {
1558                                         child ();
1559                                         return 0;
1560                                 }
1561
1562                                 for (i = 0; i < 300; ++i) {
1563                                         waitpid (son, &status, WNOHANG);
1564                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1565                                                 return 0;
1566                                         usleep (10000);
1567                                 }
1568
1569                                 kill (son, SIGKILL);
1570                                 return 1;
1571                         }
1572
1573                 ], [
1574                                 AC_MSG_RESULT(yes)
1575                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1576                 ], [
1577                                 with_sigaltstack=no
1578                                 AC_MSG_RESULT(no)
1579                 ])
1580         fi
1581
1582         dnl ********************************
1583         dnl *** Checks for semaphore lib ***
1584         dnl ********************************
1585         # 'Real Time' functions on Solaris
1586         # posix4 on Solaris 2.6
1587         # pthread (first!) on Linux
1588         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1589
1590         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1591         AC_CHECK_FUNCS(shm_open)
1592
1593         dnl ********************************
1594         dnl *** Checks for timezone stuff **
1595         dnl ********************************
1596         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1597                 AC_TRY_COMPILE([
1598                         #include <time.h>
1599                         ], [
1600                         struct tm tm;
1601                         tm.tm_gmtoff = 1;
1602                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1603         if test $ac_cv_struct_tm_gmtoff = yes; then
1604                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1605         else
1606                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1607                         AC_TRY_COMPILE([
1608                                 #include <time.h>
1609                         ], [
1610                                 timezone = 1;
1611                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1612                 if test $ac_cv_var_timezone = yes; then
1613                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1614                 else
1615                         AC_ERROR(unable to find a way to determine timezone)
1616                 fi
1617         fi
1618
1619         dnl *********************************
1620         dnl *** Checks for math functions ***
1621         dnl *********************************
1622         AC_SEARCH_LIBS(sqrtf, m)
1623         if test "x$has_broken_apple_cpp" != "xyes"; then
1624                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1625                         AC_TRY_LINK([#include <math.h>],
1626                         [ finite(0.0); ],
1627                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1628                         AC_MSG_RESULT(no)))
1629         fi
1630         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1631                 AC_TRY_LINK([#include <math.h>],
1632                 [ isfinite(0.0); ],
1633                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1634                 AC_MSG_RESULT(no)))
1635
1636         dnl ****************************************************************
1637         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1638         dnl *** have it in the library (duh))                            ***
1639         dnl ****************************************************************
1640         AC_CHECK_FUNCS(poll)
1641
1642         dnl *************************
1643         dnl *** Check for signbit ***
1644         dnl *************************
1645         AC_MSG_CHECKING(for signbit)
1646         AC_TRY_LINK([#include <math.h>], [
1647                 int s = signbit(1.0);
1648         ], [
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1651         ], [
1652                 AC_MSG_RESULT(no)
1653         ])
1654
1655         dnl **********************************
1656         dnl *** epoll                      ***
1657         dnl **********************************
1658         AC_CHECK_HEADERS(sys/epoll.h)
1659         haveepoll=no
1660         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1661         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1662                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1663         fi
1664
1665         havekqueue=no
1666         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1667                 AC_TRY_LINK([#include <sys/event.h>],
1668                 [ kqueue(); ],[havekqueue=yes],[]))
1669
1670         dnl **************************************
1671         dnl * Darwin has a race that prevents us from using reliably:
1672         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1673         dnl * Since kqueue is mostly used for scaling large web servers,
1674         dnl * and very few folks run Mono on large web servers on OSX, falling
1675         dnl * back
1676         dnl **************************************
1677         if test x$havekqueue = xyes; then
1678                 if x$platform_darwin = xno; then
1679                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1680                 fi
1681         fi
1682
1683         dnl ******************************
1684         dnl *** Checks for SIOCGIFCONF ***
1685         dnl ******************************
1686         AC_CHECK_HEADERS(sys/ioctl.h)
1687         AC_CHECK_HEADERS(net/if.h, [], [],
1688            [
1689            #ifdef HAVE_SYS_TYPES_H
1690            # include <sys/types.h>
1691            #endif
1692            #ifdef HAVE_SYS_SOCKET_H
1693            # include <sys/socket.h>
1694            #endif
1695            ])
1696         AC_MSG_CHECKING(for ifreq)
1697         AC_TRY_COMPILE([
1698                 #include <stdio.h>
1699                 #include <sys/ioctl.h>
1700                 #include <net/if.h>
1701                 ], [
1702                 struct ifconf ifc;
1703                 struct ifreq *ifr;
1704                 void *x;
1705                 ifc.ifc_len = 0;
1706                 ifc.ifc_buf = NULL;
1707                 x = (void *) &ifr->ifr_addr;
1708                 ],[
1709                         AC_MSG_RESULT(yes)
1710                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1711                 ], [
1712                         AC_MSG_RESULT(no)
1713                 ])
1714         dnl **********************************
1715         dnl ***     Checks for sin_len     ***
1716         dnl **********************************
1717         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1718         AC_TRY_COMPILE([
1719                 #include <netinet/in.h>
1720                 ], [
1721                 struct sockaddr_in saddr;
1722                 saddr.sin_len = sizeof (saddr);
1723                 ],[
1724                         AC_MSG_RESULT(yes)
1725                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1726                 ], [
1727                         AC_MSG_RESULT(no)
1728                 ])
1729         dnl **********************************
1730         dnl ***    Checks for sin6_len     ***
1731         dnl **********************************
1732         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1733         AC_TRY_COMPILE([
1734                 #include <netinet/in.h>
1735                 ], [
1736                 struct sockaddr_in6 saddr6;
1737                 saddr6.sin6_len = sizeof (saddr6);
1738                 ],[
1739                         AC_MSG_RESULT(yes)
1740                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1741                 ], [
1742                         AC_MSG_RESULT(no)
1743                 ])
1744         dnl **********************************
1745         dnl *** Check for getifaddrs       ***
1746         dnl **********************************
1747         AC_MSG_CHECKING(for getifaddrs)
1748                 AC_TRY_LINK([
1749                 #include <stdio.h>
1750                 #include <sys/types.h>
1751                 #include <sys/socket.h>
1752                 #include <ifaddrs.h>
1753         ], [
1754                 getifaddrs(NULL);
1755         ], [
1756                 # Yes, we have it...
1757                 AC_MSG_RESULT(yes)
1758                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1759         ], [
1760                 AC_MSG_RESULT(no)
1761         ])
1762         dnl **********************************
1763         dnl *** Check for if_nametoindex   ***
1764         dnl **********************************
1765         AC_MSG_CHECKING(for if_nametoindex)
1766                 AC_TRY_LINK([
1767                 #include <stdio.h>
1768                 #include <sys/types.h>
1769                 #include <sys/socket.h>
1770                 #include <net/if.h>
1771         ], [
1772                 if_nametoindex(NULL);
1773         ], [
1774                 # Yes, we have it...
1775                 AC_MSG_RESULT(yes)
1776                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1777         ], [
1778                 AC_MSG_RESULT(no)
1779         ])
1780
1781         dnl **********************************
1782         dnl *** Checks for MonoPosixHelper ***
1783         dnl **********************************
1784         AC_CHECK_HEADERS(checklist.h)
1785         AC_CHECK_HEADERS(pathconf.h)
1786         AC_CHECK_HEADERS(fstab.h)
1787         AC_CHECK_HEADERS(attr/xattr.h)
1788         AC_CHECK_HEADERS(sys/extattr.h)
1789         AC_CHECK_HEADERS(sys/sendfile.h)
1790         AC_CHECK_HEADERS(sys/statvfs.h)
1791         AC_CHECK_HEADERS(sys/statfs.h)
1792         AC_CHECK_HEADERS(sys/vfstab.h)
1793         AC_CHECK_HEADERS(sys/xattr.h)
1794         AC_CHECK_HEADERS(sys/mman.h)
1795         AC_CHECK_HEADERS(sys/param.h)
1796         AC_CHECK_HEADERS(sys/mount.h, [], [],
1797                 [
1798                 #ifdef HAVE_SYS_PARAM_H
1799                 # include <sys/param.h>
1800                 #endif
1801                 ])
1802         AC_CHECK_HEADERS(sys/mount.h)
1803         AC_CHECK_FUNCS(confstr)
1804         AC_CHECK_FUNCS(seekdir telldir)
1805         AC_CHECK_FUNCS(getdomainname)
1806         AC_CHECK_FUNCS(setdomainname)
1807         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1808         AC_CHECK_FUNCS(setgroups)
1809         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1810         AC_CHECK_FUNCS(getfsstat)
1811         AC_CHECK_FUNCS(lutimes futimes)
1812         AC_CHECK_FUNCS(mremap)
1813         AC_CHECK_FUNCS(remap_file_pages)
1814         AC_CHECK_FUNCS(posix_fadvise)
1815         AC_CHECK_FUNCS(posix_fallocate)
1816         AC_CHECK_FUNCS(posix_madvise)
1817         AC_CHECK_FUNCS(vsnprintf)
1818         AC_CHECK_FUNCS(sendfile)
1819         AC_CHECK_FUNCS(gethostid sethostid)
1820         AC_CHECK_FUNCS(sethostname)
1821         AC_CHECK_FUNCS(statfs)
1822         AC_CHECK_FUNCS(fstatfs)
1823         AC_CHECK_FUNCS(statvfs)
1824         AC_CHECK_FUNCS(fstatvfs)
1825         AC_CHECK_FUNCS(stime)
1826         AC_CHECK_FUNCS(strerror_r)
1827         AC_CHECK_FUNCS(ttyname_r)
1828         AC_CHECK_FUNCS(psignal)
1829         AC_CHECK_FUNCS(getlogin_r)
1830         AC_CHECK_FUNCS(lockf)
1831         AC_CHECK_FUNCS(swab)
1832         AC_CHECK_FUNCS(setusershell endusershell)
1833         AC_CHECK_SIZEOF(size_t)
1834         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1835                 [#include <sys/types.h>
1836                  #include <sys/stat.h>
1837                  #include <unistd.h>])
1838         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1839                 [#include <sys/types.h>
1840                  #include <sys/stat.h>
1841                  #include <unistd.h>])
1842         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1843                 [#include <sys/time.h>])
1844         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1845                 [#include <unistd.h>
1846                  #include <fcntl.h>])
1847         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1848                 [#include <sys/poll.h>])
1849         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1850                 [#include <sys/types.h>
1851                  #include <sys/stat.h>
1852                  #include <unistd.h>])
1853         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1854                 [#include <time.h>])
1855         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1856                 [#include <sys/time.h>
1857                  #include <sys/types.h>
1858                  #include <utime.h>])
1859         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1860                 [#include <sys/time.h>])
1861         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1862                 [#include <sys/types.h>
1863                  #include <utime.h>])
1864         AC_CHECK_MEMBERS(
1865                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1866                 [#include <sys/types.h>
1867                  #include <dirent.h>])
1868         AC_CHECK_MEMBERS(
1869                 [struct passwd.pw_gecos],,,
1870                 [#include <sys/types.h>
1871                  #include <pwd.h>])
1872         AC_CHECK_MEMBERS(
1873                 [struct statfs.f_flags],,,
1874                 [#include <sys/types.h>
1875                  #include <sys/vfs.h>])
1876
1877         dnl Favour xattr through glibc, but use libattr if we have to
1878         AC_CHECK_FUNC(lsetxattr, ,
1879                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1880         )
1881         AC_SUBST(XATTR_LIB)
1882
1883         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1884         AC_CHECK_MEMBERS(
1885                 [struct kinfo_proc.kp_proc],,,
1886                 [#include <sys/types.h>
1887                  #include <sys/param.h>
1888                  #include <sys/sysctl.h>
1889                  #include <sys/proc.h>
1890                  ])
1891
1892         dnl *********************************
1893         dnl *** Checks for Windows compilation ***
1894         dnl *********************************
1895         AC_CHECK_HEADERS(sys/time.h)
1896         AC_CHECK_HEADERS(sys/param.h)
1897         AC_CHECK_HEADERS(dirent.h)
1898
1899         dnl *********************************
1900         dnl *** Check for Console 2.0 I/O ***
1901         dnl *********************************
1902         AC_CHECK_HEADERS([curses.h])
1903         AC_CHECK_HEADERS([term.h], [], [],
1904         [#if HAVE_CURSES_H
1905          #include <curses.h>
1906          #endif
1907         ])
1908         AC_CHECK_HEADERS([termios.h])
1909
1910         dnl * This is provided in io-layer, but on windows it's only available
1911         dnl * on xp+
1912         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1913 else
1914         dnl *********************************
1915         dnl *** Checks for Windows compilation ***
1916         dnl *********************************
1917         AC_CHECK_HEADERS(winternl.h)
1918
1919         jdk_headers_found=no
1920         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1921         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1922         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1923         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1924         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1925         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1926         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1927
1928         dnl *********************************
1929         dnl *** Check for struct ip_mreqn ***
1930         dnl *********************************
1931         AC_MSG_CHECKING(for struct ip_mreqn)
1932         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1933                 struct ip_mreqn mreq;
1934                 mreq.imr_address.s_addr = 0;
1935         ], [
1936                 # Yes, we have it...
1937                 AC_MSG_RESULT(yes)
1938                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1939         ], [
1940                 # We'll just have to try and use struct ip_mreq
1941                 AC_MSG_RESULT(no)
1942                 AC_MSG_CHECKING(for struct ip_mreq)
1943                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1944                         struct ip_mreq mreq;
1945                         mreq.imr_interface.s_addr = 0;
1946                 ], [
1947                         # Yes, we have it...
1948                         AC_MSG_RESULT(yes)
1949                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1950                 ], [
1951                         # No multicast support
1952                         AC_MSG_RESULT(no)
1953                 ])
1954         ])
1955         AC_CHECK_FUNCS(GetProcessId)
1956 fi
1957
1958 dnl socklen_t check
1959 AC_MSG_CHECKING(for socklen_t)
1960 AC_TRY_COMPILE([
1961 #include <sys/types.h>
1962 #include <sys/socket.h>
1963 ],[
1964   socklen_t foo;
1965 ],[
1966 ac_cv_c_socklen_t=yes
1967         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
1968         AC_MSG_RESULT(yes)
1969 ],[
1970         AC_MSG_RESULT(no)
1971 ])
1972
1973 AC_MSG_CHECKING(for array element initializer support)
1974 AC_TRY_COMPILE([#include <sys/socket.h>], [
1975         const int array[] = {[1] = 2,};
1976 ], [
1977         # Yes, we have it...
1978         AC_MSG_RESULT(yes)
1979         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1980 ], [
1981         # We'll have to use signals
1982         AC_MSG_RESULT(no)
1983 ])
1984
1985 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1986         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1987         AC_TRY_LINK([#include <math.h>],
1988         [ static void *p = &trunc; ],
1989         [
1990                 AC_DEFINE(HAVE_TRUNC)
1991                 AC_MSG_RESULT(yes)
1992                 ac_cv_trunc=yes
1993         ],
1994         AC_MSG_RESULT(no)))
1995
1996 if test "x$ac_cv_truncl" != "xyes"; then
1997    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
1998 fi
1999
2000 AC_CHECK_FUNCS(round)
2001 AC_CHECK_FUNCS(rint)
2002 AC_CHECK_FUNCS(execvp)
2003
2004 dnl ****************************
2005 dnl *** Look for /dev/random ***
2006 dnl ****************************
2007
2008 AC_MSG_CHECKING([if usage of random device is requested])
2009 AC_ARG_ENABLE(dev-random,
2010 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2011 try_dev_random=$enableval, try_dev_random=yes)
2012
2013 AC_MSG_RESULT($try_dev_random)
2014
2015 case "{$build}" in
2016     *-openbsd*)
2017     NAME_DEV_RANDOM="/dev/srandom"
2018     ;;
2019
2020 dnl Win32 does not have /dev/random, they have their own method...
2021
2022     *-mingw*|*-*-cygwin*)
2023     ac_cv_have_dev_random=no
2024     ;;
2025
2026 dnl Everywhere else, it's /dev/random
2027
2028     *)
2029     NAME_DEV_RANDOM="/dev/random"
2030     ;;
2031 esac
2032
2033 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2034
2035 dnl Now check if the device actually exists
2036
2037 if test "x$try_dev_random" = "xyes"; then
2038     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2039     [if test -r "$NAME_DEV_RANDOM" ; then
2040         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2041     if test "x$ac_cv_have_dev_random" = "xyes"; then
2042         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2043     fi
2044 else
2045     AC_MSG_CHECKING(for random device)
2046     ac_cv_have_dev_random=no
2047     AC_MSG_RESULT(has been disabled)
2048 fi
2049
2050 if test "x$host_win32" = "xyes"; then
2051     AC_DEFINE(HAVE_CRYPT_RNG)
2052 fi
2053
2054 if test "x$ac_cv_have_dev_random" = "xno" \
2055     && test "x$host_win32" = "xno"; then
2056     AC_MSG_WARN([[
2057 ***
2058 *** A system-provided entropy source was not found on this system.
2059 *** Because of this, the System.Security.Cryptography random number generator
2060 *** will throw a NotImplemented exception.
2061 ***
2062 *** If you are seeing this message, and you know your system DOES have an
2063 *** entropy collection in place, please contact <crichton@gimp.org> and
2064 *** provide information about the system and how to access the random device.
2065 ***
2066 *** Otherwise you can install either egd or prngd and set the environment
2067 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2068 ***]])
2069 fi
2070
2071 AC_MSG_CHECKING([if inter-process shared handles are requested])
2072 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2073 AC_MSG_RESULT($try_shared_handles)
2074 if test "x$try_shared_handles" != "xyes"; then
2075         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2076         AC_SUBST(DISABLE_SHARED_HANDLES)
2077 fi
2078
2079 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2080
2081 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2082 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2083
2084 AC_MSG_CHECKING([if big-arrays are to be enabled])
2085 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2086 if test "x$enable_big_arrays" = "xyes" ; then
2087     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2088         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2089     else
2090         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2091     fi
2092 fi
2093 AC_MSG_RESULT($enable_big_arrays)
2094
2095 dnl **************
2096 dnl *** DTRACE ***
2097 dnl **************
2098
2099 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2100
2101 if test "x$enable_dtrace" = "xyes"; then
2102    if test "x$has_dtrace" = "xno"; then
2103           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2104    fi
2105    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2106    if test "x$DTRACE" = "xno"; then
2107           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2108           enable_dtrace=no
2109    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2110           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2111           enable_dtrace=no
2112    fi
2113 fi
2114
2115 dtrace_g=no
2116 if test "x$enable_dtrace" = "xyes"; then
2117         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2118         DTRACEFLAGS=
2119         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2120                 case "$host" in
2121                         powerpc-*-darwin*)
2122                         DTRACEFLAGS="-arch ppc64"
2123                         ;;
2124                         i*86-*-darwin*)
2125                         DTRACEFLAGS="-arch x86_64"
2126                         ;;
2127                         *)
2128                         DTRACEFLAGS=-64
2129                         ;;
2130                 esac
2131         else
2132                 case "$host" in
2133                         powerpc-*-darwin*)
2134                         DTRACEFLAGS="-arch ppc"
2135                         ;;
2136                         i*86-*-darwin*)
2137                         DTRACEFLAGS="-arch i386"
2138                         ;;
2139                         *)
2140                         DTRACEFLAGS=-32
2141                         ;;
2142                 esac
2143         fi
2144         AC_SUBST(DTRACEFLAGS)
2145         case "$host" in
2146                 *-*-solaris*)
2147                 dtrace_g=yes
2148                 ;;
2149         esac
2150         AC_CHECK_HEADERS([sys/sdt.h])
2151 fi
2152 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2153 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2154
2155 dnl **************
2156 dnl ***  NaCl  ***
2157 dnl **************
2158
2159 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2160 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2161
2162 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2163 if test "x$enable_nacl_codegen" = "xyes"; then
2164    MONO_NACL_ALIGN_MASK_OFF=1
2165    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2166    AC_DEFINE(TARGET_NACL, 1, [...])
2167 else
2168    MONO_NACL_ALIGN_MASK_OFF=0
2169    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2170 fi
2171 if test "x$enable_nacl_gc" = "xyes"; then
2172    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2173 fi
2174 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2175
2176 dnl **************
2177 dnl ***  LLVM  ***
2178 dnl **************
2179
2180 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2181 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2182
2183 if test "x$enable_llvm" = "xyes"; then
2184    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2185    if test "x$LLVM_CONFIG" = "xno"; then
2186           AC_MSG_ERROR([llvm-config not found.])
2187    fi
2188
2189    # The output of --cflags seems to include optimizations flags too
2190    LLVM_CFLAGS=`$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'`
2191    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2192    # from LLVM classes.
2193    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2194    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2195    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
2196    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2197
2198    # Should be something like '2.6' or '2.7svn'
2199    llvm_version=`$LLVM_CONFIG --version`
2200    major_version=`echo $llvm_version | cut -c 1`
2201    minor_version=`echo $llvm_version | cut -c 3`
2202    AC_MSG_CHECKING(LLVM version)
2203    AC_MSG_RESULT($llvm_version)
2204    if echo $llvm_version | grep -q 'mono'; then
2205           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2206           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2207    else
2208           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.])
2209    fi
2210
2211    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2212    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2213    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2214
2215    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2216    # llvm's config.h
2217    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2218
2219    AC_SUBST(LLVM_CFLAGS)
2220    AC_SUBST(LLVM_CXXFLAGS)
2221    AC_SUBST(LLVM_LIBS)
2222    AC_SUBST(LLVM_LDFLAGS)
2223    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2224 fi
2225
2226 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2227 if test "x$enable_loadedllvm" = "xyes"; then
2228    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2229 fi
2230 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2231
2232 TARGET="unknown"
2233 ACCESS_UNALIGNED="yes"
2234
2235 JIT_SUPPORTED=no
2236 INTERP_SUPPORTED=no
2237 LIBC="libc.so.6"
2238 INTL="libc.so.6"
2239 SQLITE="libsqlite.so.0"
2240 SQLITE3="libsqlite3.so.0"
2241 X11="libX11.so"
2242
2243 sizeof_register="SIZEOF_VOID_P"
2244
2245 jit_wanted=true
2246 interp_wanted=false
2247 sgen_supported=false
2248 case "$host" in
2249 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2250 #               TARGET=MIPS;
2251 #               ACCESS_UNALIGNED="no"
2252 #               ;;
2253         mips*)
2254                 TARGET=MIPS;
2255                 arch_target=mips;
2256                 sgen_supported=true
2257                 ACCESS_UNALIGNED="no"
2258                 JIT_SUPPORTED=yes
2259
2260                 AC_MSG_CHECKING(for mips n32)
2261                 AC_TRY_COMPILE([],[
2262                 #if _MIPS_SIM != _ABIN32
2263                 #error Not mips n32
2264                 #endif
2265                 return 0;
2266                 ],[
2267                 AC_MSG_RESULT(yes)
2268                 sizeof_register=8
2269                 ],[
2270                 AC_MSG_RESULT(no)
2271                 ])
2272                 ;;
2273         i*86-*-*)
2274                 TARGET=X86;
2275                 arch_target=x86;
2276                 JIT_SUPPORTED=yes
2277                 case $host_os in
2278                   solaris*)
2279                         LIBC="libc.so"
2280                         INTL="libintl.so"
2281                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2282                                 TARGET=AMD64
2283                                 arch_target=amd64
2284                         fi
2285
2286                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2287                         # int astruct __attribute__ ((visibility ("hidden")));
2288                         # void foo ()
2289                         # {
2290                         #       void *p = &astruct;
2291                         # }
2292                         # gcc -fPIC --shared -o libfoo.so foo.c
2293                         # yields:
2294                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2295                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2296                         have_visibility_hidden=no
2297                         sgen_supported=true
2298                         ;;
2299                   cygwin*)
2300                         sgen_supported=true
2301                         have_visibility_hidden=no
2302                         ;;
2303                   haiku*)
2304                         LIBC=libroot.so
2305                         ;;
2306                   linux*)
2307                         sgen_supported=true
2308                         AOT_SUPPORTED="yes"
2309                         ;;
2310                   darwin*)
2311                         sgen_supported=true
2312                         AOT_SUPPORTED="yes"
2313                         ;;
2314                   darwin*|openbsd*|freebsd*)
2315                         sgen_supported=true
2316                         ;;
2317                 esac
2318                 ;;
2319         x86_64-*-* | amd64-*-*)
2320                 TARGET=AMD64;
2321                 arch_target=amd64;
2322                 JIT_SUPPORTED=yes
2323                 case $host_os in
2324                   linux*)
2325                         sgen_supported=true
2326                         AOT_SUPPORTED="yes"
2327                         ;;
2328                   darwin*|openbsd*|freebsd*)
2329                         sgen_supported=true
2330                         ;;
2331                 esac
2332                 case "$host" in
2333                         x86_64-*-nacl*)
2334                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2335                                 sizeof_register=8
2336                                 ;;
2337                 esac
2338                 ;;
2339         ia64-*-*)
2340                 TARGET=IA64
2341                 arch_target=ia64
2342                 ACCESS_UNALIGNED="no"
2343                 JIT_SUPPORTED=yes
2344                 LIBC="libc.so.6.1"
2345                 INTL="libc.so.6.1"
2346                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2347                 libmono_ldflags="-lunwind"
2348                 ;;
2349         sparc*-*-*)
2350                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2351                    TARGET=SPARC64
2352                 else
2353                         TARGET=SPARC
2354                 fi
2355                 arch_target=sparc;
2356                 JIT_SUPPORTED=yes
2357                 ACCESS_UNALIGNED="no"
2358                 case $host_os in
2359                   linux*) ;;
2360                   *)
2361                         LIBC="libc.so"
2362                         INTL="libintl.so"
2363                 esac
2364                 if test x"$GCC" = xyes; then
2365                         # We don't support v8 cpus
2366                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2367                 fi
2368                 if test x"$AR" = xfalse; then
2369                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2370                 fi
2371                 sgen_supported=true
2372                 ;;
2373        alpha*-*-linux* | alpha*-*-osf*)
2374                 TARGET=ALPHA;
2375                 ACCESS_UNALIGNED="no"
2376                 JIT_SUPPORTED=yes
2377                 arch_target=alpha;
2378                 CFLAGS="$CFLAGS -mieee -O0"
2379                 case $host_os in
2380                   linux*)
2381                         LIBC="libc.so.6.1"
2382                         INTL="libc.so.6.1"
2383                 esac
2384                ;;
2385         *-mingw*|*-*-cygwin*)
2386                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2387                 have_visibility_hidden=no
2388                 INTL="intl"
2389                 ;;
2390         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2391                 TARGET=HPPA;
2392                 arch_target=hppa;
2393                 LIBC="libc.sl"
2394                 ACCESS_UNALIGNED="no"
2395                 INTERP_SUPPORTED=yes
2396                 interp_wanted=true
2397                 ;;
2398         hppa*linux*)
2399                 TARGET=HPPA;
2400                 arch_target=hppa;
2401                 ACCESS_UNALIGNED="no"
2402                 JIT_SUPPORTED=yes
2403                 ;;
2404         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2405         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2406                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2407                         TARGET=POWERPC64;
2408                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2409                         CFLAGS="$CFLAGS -mminimal-toc"
2410                 else
2411                         TARGET=POWERPC;
2412                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2413                 fi
2414                 arch_target=ppc;
2415                 JIT_SUPPORTED=yes
2416                 case $host_os in
2417                   linux*|darwin*)
2418                         sgen_supported=true
2419                         ;;
2420                 esac
2421                 ;;
2422         arm*-darwin*)
2423                 TARGET=ARM;
2424                 arch_target=arm;
2425                 ACCESS_UNALIGNED="no"
2426                 JIT_SUPPORTED=yes
2427                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2428                 # libgc's gc_locks.h depends on this
2429             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2430                 sgen_supported=true
2431                 ;;
2432         arm*-linux*)
2433                 TARGET=ARM;
2434                 arch_target=arm;
2435                 ACCESS_UNALIGNED="no"
2436                 JIT_SUPPORTED=yes
2437                 sgen_supported=true
2438                 AOT_SUPPORTED="yes"
2439                 ;;
2440         s390-*-linux*)
2441                 TARGET=S390;
2442                 arch_target=s390;
2443                 ACCESS_UNALIGNED="yes"
2444                 JIT_SUPPORTED=yes
2445                 sgen_supported=true
2446                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2447                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2448                 ;;
2449         s390x-*-linux*)
2450                 TARGET=S390x;
2451                 arch_target=s390x;
2452                 ACCESS_UNALIGNED="yes"
2453                 JIT_SUPPORTED=yes
2454                 sgen_supported=true
2455                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2456                 ;;
2457 esac
2458
2459 HOST=$TARGET
2460
2461 if test "x$host" != "x$target"; then
2462    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2463    enable_mcs_build=no
2464    case "$target" in
2465    arm*-darwin*)
2466                 TARGET=ARM;
2467                 arch_target=arm;
2468                 ACCESS_UNALIGNED="no"
2469                 JIT_SUPPORTED=yes
2470                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2471                 jit_wanted=true
2472                 # Can't use tls, since it depends on the runtime detection of tls offsets
2473                 # in mono-compiler.h
2474                 with_tls=pthread
2475
2476                 AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2477                 ;;
2478    powerpc64-ps3-linux-gnu)
2479                 TARGET=POWERPC64
2480                 arch_target=powerpc64
2481                 AC_DEFINE(TARGET_PS3, 1, [...])
2482                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2483                 # uses this define
2484                 AC_DEFINE(__mono_ppc64__, 1, [...])
2485                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2486                 sizeof_register=8
2487                 target_byte_order=G_BIG_ENDIAN
2488                 ;;
2489
2490    powerpc64-xbox360-linux-gnu)
2491                 TARGET=POWERPC64
2492                 arch_target=powerpc64
2493                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2494                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2495                 # uses this define
2496                 sizeof_register=8
2497                 target_byte_order=G_BIG_ENDIAN
2498                 ;;
2499    x86_64-*-nacl)
2500                 TARGET=AMD64
2501                 arch_target=amd64
2502                 AC_DEFINE(TARGET_AMD64, 1, [...])
2503                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2504                 sizeof_register=8
2505                 ;;
2506    *-*-nacl)
2507                 TARGET=X86
2508                 arch_target=x86
2509                 AC_DEFINE(TARGET_X86, 1, [...])
2510                 sizeof_register=4
2511                 ;;
2512    arm*-unknown-linux-gnueabi*)
2513                 TARGET=ARM;
2514                 arch_target=arm;
2515                 AC_DEFINE(TARGET_ARM, 1, [...])
2516                 ACCESS_UNALIGNED="no"
2517                 JIT_SUPPORTED=yes
2518                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2519                 jit_wanted=true
2520                 # Can't use tls, since it depends on the runtime detection of tls offsets
2521                 # in mono-compiler.h
2522                 with_tls=pthread
2523                 target_mach=no
2524                 case "$target" in
2525                 armv7l-unknown-linux-gnueabi*)
2526                         # TEGRA
2527                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2528                         ;;
2529                 armv5-*-linux-androideabi*)
2530                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2531                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2532                         ;;
2533                 esac
2534                 ;;
2535         *)
2536                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2537         esac
2538 fi
2539
2540 # FIXME: Define the others as well
2541 case "$TARGET" in
2542 X86)
2543         AC_DEFINE(TARGET_X86, 1, [...])
2544         ;;
2545 AMD64)
2546         AC_DEFINE(TARGET_AMD64, 1, [...])
2547         ;;
2548 ARM)
2549         AC_DEFINE(TARGET_ARM, 1, [...])
2550         ;;
2551 POWERPC)
2552         AC_DEFINE(TARGET_POWERPC, 1, [...])
2553         ;;
2554 POWERPC64)
2555         AC_DEFINE(TARGET_POWERPC, 1, [...])
2556         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2557         ;;
2558 S390x)
2559         AC_DEFINE(TARGET_S390X, 1, [...])
2560         ;;
2561 MIPS)
2562         AC_DEFINE(TARGET_MIPS, 1, [...])
2563         ;;
2564 esac
2565
2566 if test "x$target_mach" = "xyes"; then
2567    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2568 fi
2569
2570 if test "x$sizeof_register" = "x4"; then
2571    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2572 elif test "x$sizeof_register" = "x8"; then
2573    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2574 else
2575    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2576 fi
2577
2578 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2579    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2580 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2581    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2582 else
2583    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2584 fi
2585
2586 if test "x$have_visibility_hidden" = "xyes"; then
2587    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2588 fi
2589
2590 if test "x$have_deprecated" = "xyes"; then
2591    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2592 fi
2593
2594 dnl
2595 dnl Simple Generational checks (sgen)
2596 dnl
2597 if $sgen_supported; then
2598    build_sgen_default=yes
2599 else
2600    build_sgen_default=no
2601 fi
2602 SGEN_DEFINES=
2603 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2604 if test x$buildsgen = xyes; then
2605    if $sgen_supported; then
2606        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2607        gc_msg="sgen and $gc_msg"
2608    else
2609        buildsgen=no
2610        AC_MSG_WARN("Sgen is not supported on this platform")
2611    fi
2612 fi
2613 AC_SUBST(SGEN_DEFINES)
2614 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2615
2616 USEJIT=false
2617 if test x$JIT_SUPPORTED = xyes; then
2618    if $jit_wanted; then
2619       USEJIT=true
2620       jit_status="Building and using the JIT"
2621    else
2622       if $interp_wanted; then
2623          jit_status="Building the JIT, defaulting to the interpreter"
2624       else
2625          AC_ERROR(No JIT or interpreter support available or selected.)
2626       fi
2627    fi
2628 else
2629    if test x$interp_wanted = xtrue; then
2630       jit_status="interpreter"
2631    else
2632       AC_ERROR(No JIT or interpreter support available or selected.)
2633    fi
2634 fi
2635
2636 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2637
2638 libsuffix=".so"
2639
2640 case "$host" in
2641      *-*-darwin*)
2642         libsuffix=".dylib"
2643         LIBC="libc.dylib"
2644         INTL="libintl.dylib"
2645         SQLITE="libsqlite.0.dylib"
2646         SQLITE3="libsqlite3.0.dylib"
2647         X11="libX11.dylib"
2648         ;;
2649      *-*-*netbsd*)
2650         LIBC="libc.so.12"
2651         INTL="libintl.so.0"
2652         ;;
2653     *-*-*freebsd*)
2654         LIBC="libc.so"
2655         INTL="libintl.so"
2656         SQLITE="libsqlite.so"
2657         SQLITE3="libsqlite3.so"
2658         ;;
2659     *-*-*openbsd*)
2660         LIBC="libc.so"
2661         INTL="libintl.so"
2662         SQLITE="libsqlite.so"
2663         SQLITE3="libsqlite3.so"
2664         ;;
2665     *-*-*linux*)
2666         AC_PATH_X
2667         AC_MSG_CHECKING(for the soname of libX11.so)
2668         for i in $x_libraries /usr/lib /usr/lib64; do
2669                 for r in 4 5 6; do
2670                         if test -f $i/libX11.so.$r; then
2671                                 X11=libX11.so.$r
2672                                 AC_MSG_RESULT($X11)
2673                         fi
2674                 done
2675         done
2676
2677         if test "x$X11" = "xlibX11.so"; then
2678                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2679                 X11=libX11.so.6
2680         fi
2681         ;;
2682 esac
2683
2684
2685 AC_SUBST(libsuffix)
2686
2687 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2688         if test "x$with_tls" = "x__thread"; then
2689                 #
2690                 # On some linux distributions, TLS works in executables, but linking
2691                 # against a shared library containing TLS fails with:
2692                 # undefined reference to `__tls_get_addr'
2693                 #
2694                 rm -f conftest.c conftest.so conftest
2695                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2696                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2697                 $CC -o conftest conftest.so > /dev/null 2>&1
2698                 if test ! -f conftest; then
2699                    AC_MSG_WARN([Disabling usage of __thread.]);
2700                    with_tls=pthread
2701                 fi
2702                 rm -f conftest.c conftest.so conftest
2703         fi
2704 fi
2705
2706 mono_debugger_supported=no
2707 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2708 if test "x$try_mono_debugger" = "xyes"; then
2709         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2710                 if test x$use_included_gc = xyes; then
2711                         case "$host" in
2712                         *-*-*linux*)
2713                                 mono_debugger_supported=yes
2714                                 ;;
2715                         *86-apple-darwin*)
2716                                 mono_debugger_supported=yes
2717                                 ;;
2718                         esac
2719                 fi
2720         fi
2721 fi
2722
2723 # disable the debugger entirely when building with moonlight
2724 if test "x$with_moonlight" != "xno"; then
2725         mono_debugger_supported=no
2726 fi
2727
2728 # mdb support for sgen is broken, disable it until further notice.
2729 mono_debugger_supported=no
2730
2731 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2732 if test "x$mono_debugger_supported" = "xyes"; then
2733         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2734         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2735 fi
2736 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2737 AC_MSG_RESULT($mono_debugger_supported)
2738
2739 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2740 if test "x$icall_symbol_map" = "xyes"; then
2741    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2742 fi
2743
2744 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2745 if test "x$icall_export" = "xyes"; then
2746    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2747 fi
2748
2749 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2750 if test "x$icall_tables" = "xno"; then
2751    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2752 fi
2753
2754 if test "x$with_tls" = "x__thread"; then
2755         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2756         # Pass the information to libgc
2757         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2758         AC_MSG_CHECKING(if the tls_model attribute is supported)
2759         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2760                 ], [
2761                         AC_MSG_RESULT(yes)
2762                         # CLANG doesn't support this yet, and it prints warnings about it
2763                         if test "x$mono_cv_clang" = "xno"; then
2764                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2765                         fi
2766                 ], [
2767                         AC_MSG_RESULT(no)
2768         ])
2769 fi
2770
2771 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2772         dnl ******************************************
2773         dnl *** Check to see what FPU is available ***
2774         dnl ******************************************
2775         AC_MSG_CHECKING(which FPU to use)
2776
2777         fpu=NONE
2778         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2779            fpu=VFP_HARD
2780         fi
2781
2782         if test x$fpu = xNONE; then
2783            ORIG_CFLAGS=$CFLAGS
2784            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2785            AC_TRY_RUN([
2786                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2787                                 ], fpu=VFP, fpu=NONE)
2788            CFLAGS=$ORIG_CFLAGS
2789         fi
2790
2791         if test x$fpu = xNONE; then
2792                 AC_TRY_COMPILE([], [
2793                         __asm__ ("ldfd f0, [r0]");
2794                         ], fpu=FPA, fpu=NONE)
2795         fi
2796
2797         AC_MSG_RESULT($fpu)
2798         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2799         unset fpu
2800
2801         AC_MSG_CHECKING(for ARMV6)
2802         AC_TRY_RUN([
2803                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2804                         ], armv6=yes, armv6=no)
2805
2806         AC_MSG_RESULT($armv6)
2807         if test ${armv6} = yes; then
2808            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2809            # libgc's gc_locks.h depends on this
2810            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2811         fi
2812 fi
2813
2814 if test ${TARGET} = unknown; then
2815         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2816         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2817 fi
2818
2819 if test ${ACCESS_UNALIGNED} = no; then
2820         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2821 fi
2822
2823 case "x$gc" in
2824         xincluded)
2825                 # Pass CPPFLAGS to libgc configure
2826                 # We should use a separate variable for this to avoid passing useless and
2827                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2828                 # This should be executed late so we pick up the final version of CPPFLAGS
2829                 # The problem with this approach, is that during a reconfigure, the main
2830                 # configure scripts gets invoked with these arguments, so we use separate
2831                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2832                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2833                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2834                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2835                 fi
2836                 # Don't pass -finstrument-for-thread-suspension in,
2837                 # if these are instrumented it will be very bad news
2838                 # (infinite recursion, undefined parking behavior, etc)
2839                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2840                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2841                 AC_CONFIG_SUBDIRS(libgc)
2842                 ;;
2843 esac
2844
2845 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2846 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2847 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2848 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2849 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2850
2851 OPROFILE=no
2852 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2853         if test x$with_oprofile != xno; then
2854             oprofile_include=$with_oprofile/include
2855             if test ! -f $oprofile_include/opagent.h; then
2856                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2857                 fi
2858             OPROFILE=yes
2859                 OPROFILE_CFLAGS="-I$oprofile_include"
2860             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2861             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2862         fi
2863 ])
2864
2865 MALLOC_MEMPOOLS=no
2866 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2867         if test x$with_malloc_mempools = xyes; then
2868                 MALLOC_MEMPOOLS=yes
2869                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2870         fi
2871 ])
2872
2873
2874 DISABLE_MCS_DOCS=no
2875 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2876         if test x$with_mcs_docs != xyes; then
2877                 DISABLE_MCS_DOCS=yes
2878         fi
2879 ])
2880 if test x$with_profile4 != xyes; then
2881         DISABLE_MCS_DOCS=yes
2882 fi
2883
2884 MOONLIGHT_DEFINES=
2885 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2886         if test x$with_moonlight != xno; then
2887         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2888         fi
2889 ], [with_moonlight=no])
2890 AC_SUBST(MOONLIGHT_DEFINES)
2891
2892 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2893         if test "x$with_moon_gc" != "xsgen"; then
2894                 with_moon_gc=boehm
2895         fi
2896 ], [with_moon_gc=boehm])
2897
2898 AC_CHECK_HEADER([malloc.h],
2899                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2900                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2901
2902 if test x"$GCC" = xyes; then
2903         # Implicit function declarations are not 64 bit safe
2904         # Do this late, since this causes lots of configure tests to fail
2905         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2906         # jay has a lot of implicit declarations
2907         JAY_CFLAGS="-Wno-implicit-function-declaration"
2908 fi
2909
2910 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2911 # instead of libmono-static.a
2912 if test "x$enable_shared" = "xno"; then
2913    LIBMONO_LA=libmini-static.la
2914 else
2915    LIBMONO_LA=libmono-$API_VER.la
2916 fi
2917 AC_SUBST(LIBMONO_LA)
2918
2919 dnl
2920 dnl Consistency settings
2921 dnl
2922 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2923    DISABLE_MCS_DOCS=yes
2924    with_profile2=no
2925    with_profile4=no
2926    with_profile4_5=no
2927    with_monodroid=no
2928    with_monotouch=no
2929 fi
2930
2931 if test x$DISABLE_MCS_DOCS = xyes; then
2932    docs_dir=""
2933 else
2934    docs_dir=docs
2935 fi
2936 AC_SUBST(docs_dir)
2937
2938 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
2939 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
2940
2941 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
2942 AC_SUBST(OPROFILE_CFLAGS)
2943 AC_SUBST(OPROFILE_LIBS)
2944
2945 libmono_ldflags="$libmono_ldflags $LIBS"
2946
2947 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
2948
2949 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
2950 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
2951 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
2952
2953 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
2954 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
2955 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
2956 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
2957 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
2958
2959 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
2960 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
2961 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
2962 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
2963 AM_CONDITIONAL(X86, test x$TARGET = xX86)
2964 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
2965 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
2966 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
2967 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
2968 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
2969 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2970 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
2971 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
2972 AM_CONDITIONAL(S390, test x$TARGET = xS390)
2973 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
2974 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
2975 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
2976 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
2977 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
2978
2979 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
2980 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
2981 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
2982
2983 AC_SUBST(LIBC)
2984 AC_SUBST(INTL)
2985 AC_SUBST(SQLITE)
2986 AC_SUBST(SQLITE3)
2987 AC_SUBST(X11)
2988 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
2989 AC_SUBST(arch_target)
2990 AC_SUBST(CFLAGS)
2991 AC_SUBST(CPPFLAGS)
2992 AC_SUBST(LDFLAGS)
2993
2994 mono_build_root=`pwd`
2995 AC_SUBST(mono_build_root)
2996
2997 if test x$USEJIT = xtrue; then
2998   mono_runtime=mono/mini/mono
2999 else
3000   mono_runtime=mono/interpreter/mint
3001 fi
3002 AC_SUBST(mono_runtime)
3003
3004 mono_cfg_root=$mono_build_root/runtime
3005 if test x$host_win32 = xyes; then
3006   if test "x$cross_compiling" = "xno"; then
3007     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3008   else
3009     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3010   fi
3011 else
3012   mono_cfg_dir=$mono_cfg_root/etc
3013 fi
3014 AC_SUBST(mono_cfg_dir)
3015
3016 AC_CONFIG_FILES([po/mcs/Makefile.in])
3017
3018 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3019 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3020
3021 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3022 [   depth=../../../..
3023     case $srcdir in
3024     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3025     .) reldir=$depth ;;
3026     *) reldir=$depth/$srcdir ;;
3027     esac
3028     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3029     cd runtime/etc/mono/1.0
3030     rm -f machine.config
3031     $LN_S $reldir/data/net_1_1/machine.config machine.config
3032     cd $depth
3033 ],[LN_S='$LN_S'])
3034
3035 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3036 [   depth=../../../..
3037     case $srcdir in
3038     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3039     .) reldir=$depth ;;
3040     *) reldir=$depth/$srcdir ;;
3041     esac
3042     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3043     cd runtime/etc/mono/2.0
3044     rm -f machine.config
3045     $LN_S $reldir/data/net_2_0/machine.config machine.config
3046     cd $depth
3047 ],[LN_S='$LN_S'])
3048
3049 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3050 [   depth=../../../..
3051     case $srcdir in
3052     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3053     .) reldir=$depth ;;
3054     *) reldir=$depth/$srcdir ;;
3055     esac
3056     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3057     cd runtime/etc/mono/2.0
3058     rm -f web.config
3059     $LN_S $reldir/data/net_2_0/web.config web.config
3060     cd $depth
3061 ],[LN_S='$LN_S'])
3062
3063 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3064 [   depth=../../..
3065     case $srcdir in
3066     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3067     .) reldir=$depth ;;
3068     *) reldir=$depth/$srcdir ;;
3069     esac
3070     $ac_aux_dir/install-sh -d runtime/etc/mono/
3071     cd runtime/etc/mono/
3072     rm -f browscap.ini
3073     $LN_S $reldir/data/browscap.ini browscap.ini
3074     cd $depth
3075 ],[LN_S='$LN_S'])
3076
3077 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3078 [   depth=../../../../..
3079     case $srcdir in
3080     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3081     .) reldir=$depth ;;
3082     *) reldir=$depth/$srcdir ;;
3083     esac
3084     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3085     cd runtime/etc/mono/2.0/Browsers
3086     rm -f Compat.browser
3087     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3088     cd $depth
3089 ],[LN_S='$LN_S'])
3090
3091 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3092 [   depth=../../../..
3093     case $srcdir in
3094     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3095     .) reldir=$depth ;;
3096     *) reldir=$depth/$srcdir ;;
3097     esac
3098     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3099     cd runtime/etc/mono/4.0
3100     rm -f machine.config
3101     $LN_S $reldir/data/net_4_0/machine.config machine.config
3102     cd $depth
3103 ],[LN_S='$LN_S'])
3104
3105 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3106 [   depth=../../../..
3107     case $srcdir in
3108     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3109     .) reldir=$depth ;;
3110     *) reldir=$depth/$srcdir ;;
3111     esac
3112     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3113     cd runtime/etc/mono/4.0
3114     rm -f web.config
3115     $LN_S $reldir/data/net_4_0/web.config web.config
3116     cd $depth
3117 ],[LN_S='$LN_S'])
3118
3119 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3120 [   depth=../../../..
3121     case $srcdir in
3122     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3123     .) reldir=$depth ;;
3124     *) reldir=$depth/$srcdir ;;
3125     esac
3126     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3127     cd runtime/etc/mono/4.5
3128     rm -f machine.config
3129     $LN_S $reldir/data/net_4_5/machine.config machine.config
3130     cd $depth
3131 ],[LN_S='$LN_S'])
3132
3133 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3134 [   depth=../../../..
3135     case $srcdir in
3136     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3137     .) reldir=$depth ;;
3138     *) reldir=$depth/$srcdir ;;
3139     esac
3140     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3141     cd runtime/etc/mono/4.5
3142     rm -f web.config
3143     $LN_S $reldir/data/net_4_5/web.config web.config
3144     cd $depth
3145 ],[LN_S='$LN_S'])
3146
3147 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])
3148
3149 AC_OUTPUT([
3150 Makefile
3151 mono-core.spec
3152 mono-uninstalled.pc
3153 scripts/mono-find-provides
3154 scripts/mono-find-requires
3155 mono/Makefile
3156 mono/utils/Makefile
3157 mono/metadata/Makefile
3158 mono/dis/Makefile
3159 mono/cil/Makefile
3160 mono/arch/Makefile
3161 mono/arch/x86/Makefile
3162 mono/arch/amd64/Makefile
3163 mono/arch/hppa/Makefile
3164 mono/arch/ppc/Makefile
3165 mono/arch/sparc/Makefile
3166 mono/arch/s390/Makefile
3167 mono/arch/s390x/Makefile
3168 mono/arch/arm/Makefile
3169 mono/arch/alpha/Makefile
3170 mono/arch/ia64/Makefile
3171 mono/arch/mips/Makefile
3172 mono/interpreter/Makefile
3173 mono/tests/Makefile
3174 mono/tests/tests-config
3175 mono/tests/assemblyresolve/Makefile
3176 mono/tests/cas/Makefile
3177 mono/tests/cas/assembly/Makefile
3178 mono/tests/cas/demand/Makefile
3179 mono/tests/cas/inheritance/Makefile
3180 mono/tests/cas/linkdemand/Makefile
3181 mono/tests/cas/threads/Makefile
3182 mono/benchmark/Makefile
3183 mono/monograph/Makefile
3184 mono/io-layer/Makefile
3185 mono/mini/Makefile
3186 mono/profiler/Makefile
3187 m4/Makefile
3188 ikvm-native/Makefile
3189 scripts/Makefile
3190 man/Makefile
3191 docs/Makefile
3192 data/Makefile
3193 data/net_2_0/Makefile
3194 data/net_4_0/Makefile
3195 data/net_4_5/Makefile
3196 data/net_2_0/Browsers/Makefile
3197 data/mint.pc
3198 data/mono-2.pc
3199 data/monosgen-2.pc
3200 data/mono.pc
3201 data/mono-cairo.pc
3202 data/mono-nunit.pc
3203 data/mono-options.pc
3204 data/mono-lineeditor.pc
3205 data/monodoc.pc
3206 data/mono.web.pc
3207 data/dotnet.pc
3208 data/dotnet35.pc
3209 data/wcf.pc
3210 data/cecil.pc
3211 data/system.web.extensions_1.0.pc
3212 data/system.web.extensions.design_1.0.pc
3213 data/system.web.mvc.pc
3214 data/system.web.mvc2.pc
3215 data/system.web.mvc3.pc
3216 data/aspnetwebstack.pc
3217 samples/Makefile
3218 support/Makefile
3219 data/config
3220 tools/Makefile
3221 tools/locale-builder/Makefile
3222 tools/sgen/Makefile
3223 runtime/Makefile
3224 msvc/Makefile
3225 po/Makefile
3226 ])
3227
3228 # Update all submodules recursively to ensure everything is checked out
3229 $srcdir/scripts/update_submodules
3230
3231 if test x$host_win32 = xyes; then
3232    # Get rid of 'cyg' prefixes in library names
3233    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3234    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3235    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3236    # executable doesn't work...
3237    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3238 fi
3239
3240 (
3241   case $prefix in
3242   NONE) prefix=$ac_default_prefix ;;
3243   esac
3244   case $exec_prefix in
3245   NONE) exec_prefix='${prefix}' ;;
3246   esac
3247
3248   #
3249   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3250   # any existing config.make.  This allows people to share the same source tree
3251   # with different build directories, one native and one cross
3252   #
3253   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3254
3255     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3256
3257     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3258     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3259     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3260     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3261     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3262     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3263     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3264     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3265
3266     case $INSTALL in
3267     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3268     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3269     esac
3270
3271     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3272
3273     export VERSION
3274     [myver=$($AWK 'BEGIN {
3275       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3276       if(length(vsplit [1]) > 4) {
3277         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3278       }
3279       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3280     }')]
3281
3282     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3283
3284     if test x$platform_darwin = xyes; then
3285       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3286     fi
3287
3288         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3289            enable_system_aot=yes
3290         fi
3291
3292         if test "x$enable_loadedllvm" = "xyes"; then
3293            # This seems to fail on the x86 buildbots
3294            enable_system_aot=no
3295         fi
3296
3297     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3298       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3299     fi
3300
3301     if test x$DISABLE_MCS_DOCS = xyes; then
3302       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3303     fi
3304
3305     if test x$with_moonlight != xno; then
3306       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3307     fi
3308
3309         default_profile=net_2_0
3310     if test -z "$INSTALL_4_0_TRUE"; then :
3311                 default_profile=net_4_0
3312     fi
3313     if test -z "$INSTALL_MONODROID_TRUE"; then :
3314                 default_profile=monodroid
3315     fi
3316     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3317                 default_profile=monotouch
3318     fi
3319     if test -z "$INSTALL_4_5_TRUE"; then :
3320                 default_profile=net_4_5
3321     fi
3322
3323     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3324
3325     if test "x$test_bcl_opt" = "xyes"; then
3326       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3327     fi
3328
3329   fi
3330
3331   # if we have an olive folder, override the default settings
3332   if test -d $olivedir; then
3333
3334     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3335
3336       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3337
3338       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3339       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3340       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3341       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3342       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3343       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3344     fi
3345   fi
3346
3347 )
3348
3349 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3350
3351 echo "
3352         mcs source:    $mcsdir
3353
3354    Engine:
3355         GC:            $gc_msg
3356         TLS:           $with_tls
3357         SIGALTSTACK:   $with_sigaltstack
3358         Engine:        $jit_status
3359         oprofile:      $OPROFILE
3360         BigArrays:     $enable_big_arrays
3361         DTrace:        $enable_dtrace
3362         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3363
3364    Libraries:
3365         .NET 2.0/3.5:  $with_profile2
3366         .NET 4.0:      $with_profile4
3367         .NET 4.5:      $with_profile4_5
3368         MonoDroid:     $with_monodroid
3369         MonoTouch:     $with_monotouch
3370         JNI support:   $jdk_headers_found
3371         libgdiplus:    $libgdiplus_msg
3372         zlib:          $zlib_msg
3373         $disabled
3374 "
3375 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3376    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3377 fi