configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.5],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176                 use_sigposix=yes
 177                 ;;
 178         *-*-*openbsd*)
 179                 host_win32=no
 180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 181                 if test "x$disable_munmap" != "xyes"; then
 182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 183                 fi
 184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 185                 LDFLAGS="$LDFLAGS -pthread"
 186                 need_link_unlink=yes
 187                 AC_DEFINE(PTHREAD_POINTER_ID)
 188                 libdl=
 189                 gc_default=boehm
 190                 libgc_threads=pthreads
 191                 with_sigaltstack=no
 192                 use_sigposix=yes
 193                 ;;
 194         *-*-linux-android*)
 195                 host_win32=no
 196                 platform_android=yes
 197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 199
 200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 201                 if test "x$disable_munmap" != "xyes"; then
 202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 203                 fi
 204                 libmono_cflags="-D_REENTRANT"
 205                 libdl="-ldl"
 206                 libgc_threads=pthreads
 207                 use_sigposix=yes
 208
 209                 with_tls=pthread
 210                 with_sigaltstack=no
 211                 with_static_mono=no
 212
 213                 # Android doesn't support boehm, as it's missing <link.h>
 214                 support_boehm=no
 215                 with_gc=sgen
 216
 217                 # isinf(3) requires -lm; see isinf check below
 218                 LDFLAGS="$LDFLAGS -lm"
 219
 220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 225
 226                 # to bypass the underscore linker check, can't work when cross-compiling
 227                 mono_cv_uscore=yes
 228                 mono_cv_clang=no
 229                 ;;
 230         *-*-linux*)
 231                 host_win32=no
 232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 233                 if test "x$disable_munmap" != "xyes"; then
 234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 235                 fi
 236                 libmono_cflags="-D_REENTRANT"
 237                 libdl="-ldl"
 238                 libgc_threads=pthreads
 239                 use_sigposix=yes
 240                 ;;
 241         *-*-nacl*)
 242                 host_win32=no
 243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 244                 if test "x$disable_munmap" != "xyes"; then
 245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 246                 fi
 247                 libmono_cflags="-D_REENTRANT"
 248                 libdl=
 249                 libgc_threads=pthreads
 250                 gc_default=boehm
 251                 use_sigposix=yes
 252                 ikvm_native=no
 253                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 254                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 255                 ;;
 256         *-*-hpux*)
 257                 host_win32=no
 258                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 259                 # +ESdbgasm only valid on bundled cc on RISC
 260                 # silently ignored for ia64
 261                 if test $GCC != "yes"; then
 262                         CFLAGS="$CFLAGS +ESdbgasm"
 263                         # Arrange for run-time dereferencing of null
 264                         # pointers to produce a SIGSEGV signal.
 265                         LDFLAGS="$LDFLAGS -z"
 266                 fi
 267                 CFLAGS="$CFLAGS +ESdbgasm"
 268                 LDFLAGS="$LDFLAGS -z"
 269                 libmono_cflags="-D_REENTRANT"
 270                 libmono_ldflags="-lpthread"
 271                 libgc_threads=pthreads
 272                 need_link_unlink=yes
 273                 use_sigposix=yes
 274                 ;;
 275         *-*-solaris*)
 276                 host_win32=no
 277                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 278                 need_link_unlink=yes
 279                 libmono_cflags="-D_REENTRANT"
 280                 libgc_threads=pthreads
 281                 # This doesn't seem to work on solaris/x86, but the configure test runs
 282                 with_tls=pthread
 283                 has_dtrace=yes
 284                 use_sigposix=yes
 285                 enable_solaris_tar_check=yes
 286                 ;;
 287         *-*-darwin*)
 288                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 289                 host_win32=no
 290                 platform_darwin=yes
 291                 target_mach=yes
 292                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 293                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 294                 libmono_cflags="-D_THREAD_SAFE"
 295                 need_link_unlink=yes
 296                 AC_DEFINE(PTHREAD_POINTER_ID)
 297                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 298                 no_version_script=yes
 299                 libdl=
 300                 libgc_threads=pthreads
 301                 has_dtrace=yes
 302                 if test "x$cross_compiling" = "xyes"; then
 303                         has_broken_apple_cpp=yes
 304                 fi
 305                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 306                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 307                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 308                 case "$host" in
 309                         dnl Snow Leopard and newer config.guess reports as this
 310                         i*86-*-darwin*)
 311                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 312                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 313                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 314                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 315                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 316                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 317                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 318                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 319                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 320                                 ;;
 321                         arm*-darwin*)
 322                                 has_dtrace=no
 323                                 ;;
 324                 esac
 325                 ;;
 326         *-*-haiku*)
 327                 host_win32=no
 328                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 329                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 330                 libdl=
 331                 LIBS="$LIBS -lnetwork"
 332                 need_link_unlink=yes
 333                 AC_DEFINE(PTHREAD_POINTER_ID)
 334                 libgc_threads=pthreads
 335                 use_sigposix=yes
 336                 ;;
 337         *)
 338                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 339                 host_win32=no
 340                 libdl="-ldl"
 341                 ;;
 342 esac
 343 AC_MSG_RESULT(ok)
 344
 345 if test x$need_link_unlink = xyes; then
 346    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 347 fi
 348
 349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 355
 356 AC_CHECK_TOOL(CC, gcc, gcc)
 357 AC_PROG_CC
 358 AC_CHECK_TOOL(CXX, g++, g++)
 359 AC_PROG_CXX
 360 AM_PROG_AS
 361 AC_PROG_INSTALL
 362 AC_PROG_AWK
 363 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 364 : ${CCAS='$(CC)'}
 365 # Set ASFLAGS if not already set.
 366 : ${CCASFLAGS='$(CFLAGS)'}
 367 AC_SUBST(CCAS)
 368 AC_SUBST(CCASFLAGS)
 369
 370 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 371 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 372 if test "x$CXX" = "xg++"; then
 373         if test "x$GXX" != "xyes"; then
 374                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 375                 # are inside automake conditionals
 376                 AC_MSG_ERROR([You need to install g++])
 377         fi
 378 fi
 379
 380 dnl may require a specific autoconf version
 381 dnl AC_PROG_CC_FOR_BUILD
 382 dnl CC_FOR_BUILD not automatically detected
 383 CC_FOR_BUILD=$CC
 384 CFLAGS_FOR_BUILD=$CFLAGS
 385 BUILD_EXEEXT=
 386 if test "x$cross_compiling" = "xyes"; then
 387         CC_FOR_BUILD=cc
 388         CFLAGS_FOR_BUILD=
 389         BUILD_EXEEXT=""
 390 fi
 391 AC_SUBST(CC_FOR_BUILD)
 392 AC_SUBST(CFLAGS_FOR_BUILD)
 393 AC_SUBST(HOST_CC)
 394 AC_SUBST(BUILD_EXEEXT)
 395
 396 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 397 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 398
 399 # Set STDC_HEADERS
 400 AC_HEADER_STDC
 401 AC_LIBTOOL_WIN32_DLL
 402 # This causes monodis to not link correctly
 403 #AC_DISABLE_FAST_INSTALL
 404 AM_PROG_LIBTOOL
 405 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 406 DOLT
 407
 408 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 409 AC_SUBST(export_ldflags)
 410
 411 # Test whenever ld supports -version-script
 412 AC_PROG_LD
 413 AC_PROG_LD_GNU
 414 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 415    no_version_script=yes
 416 fi
 417
 418 AM_ICONV()
 419
 420 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 421
 422 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)
 423 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)
 424 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 425                   [], [], [#include <stddef.h>
 426                   #include <sys/socket.h>
 427                   #include <linux/socket.h>])
 428
 429 AC_CHECK_HEADERS(sys/user.h, [], [],
 430 [
 431 #ifdef HAVE_SYS_PARAM_H
 432 # include <sys/param.h>
 433 #endif
 434 ])
 435
 436 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 437 if test x$have_zlib = xyes; then
 438    AC_TRY_COMPILE([#include <zlib.h>], [
 439    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 440    return 0;
 441    #else
 442    #error No good zlib found
 443    #endif
 444    ],[
 445         AC_MSG_RESULT(Using system zlib)
 446         zlib_msg="system zlib"
 447         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 448    ],[
 449         AC_MSG_RESULT(Using embedded zlib)
 450         have_zlib=no
 451         zlib_msg="bundled zlib"
 452    ])
 453 fi
 454
 455 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 456 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 457
 458 # for mono/metadata/debug-symfile.c
 459 AC_CHECK_HEADERS(elf.h)
 460
 461 # for support
 462 AC_CHECK_HEADERS(poll.h)
 463 AC_CHECK_HEADERS(sys/poll.h)
 464 AC_CHECK_HEADERS(sys/wait.h)
 465 AC_CHECK_HEADERS(grp.h)
 466 AC_CHECK_HEADERS(syslog.h)
 467
 468 # for mono/dis
 469 AC_CHECK_HEADERS(wchar.h)
 470 AC_CHECK_HEADERS(ieeefp.h)
 471 AC_MSG_CHECKING(for isinf)
 472 AC_TRY_LINK([#include <math.h>], [
 473         int f = isinf (1);
 474 ], [
 475         AC_MSG_RESULT(yes)
 476         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 477 ], [
 478         # We'll have to use signals
 479         AC_MSG_RESULT(no)
 480 ])
 481
 482 # for Linux statfs support
 483 AC_CHECK_HEADERS(linux/magic.h)
 484
 485 # not 64 bit clean in cross-compile
 486 AC_CHECK_SIZEOF(void *, 4)
 487
 488 WARN=''
 489 if test x"$GCC" = xyes; then
 490         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 491                 # The runtime code does not respect ANSI C strict aliasing rules
 492                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 493
 494                 ORIG_CFLAGS=$CFLAGS
 495                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 496                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 497                 AC_TRY_COMPILE([],[
 498                                 return 0;
 499                 ], [
 500                    AC_MSG_RESULT(yes)
 501                 ], [
 502                    AC_MSG_RESULT(no)
 503                    CFLAGS=$ORIG_CFLAGS
 504                 ])
 505
 506                 ORIG_CFLAGS=$CFLAGS
 507                 # Check for the normal version, since gcc ignores unknown -Wno options
 508                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 509                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 510                 AC_TRY_COMPILE([],[
 511                                 return 0;
 512                 ], [
 513                    AC_MSG_RESULT(yes)
 514                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 515                 ], [
 516                    AC_MSG_RESULT(no)
 517                    CFLAGS=$ORIG_CFLAGS
 518                 ])
 519 else
 520         # The Sun Forte compiler complains about inline functions that access static variables
 521         # so disable all inlining.
 522         case "$host" in
 523         *-*-solaris*)
 524                 CFLAGS="$CFLAGS -Dinline="
 525                 ;;
 526         esac
 527 fi
 528 CFLAGS="$CFLAGS -g $WARN"
 529 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 530
 531 AC_CACHE_CHECK([for clang],
 532         mono_cv_clang,[
 533         AC_TRY_COMPILE([], [
 534                 #ifdef __clang__
 535                 #else
 536                 #error "FAILED"
 537                 #endif
 538                 return 0;
 539         ],
 540         [mono_cv_clang=yes],
 541         [mono_cv_clang=no],
 542         [])
 543 ])
 544
 545 # Where's the 'mcs' source tree?
 546 if test -d $srcdir/mcs; then
 547   mcsdir=mcs
 548 else
 549   mcsdir=../mcs
 550 fi
 551
 552 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 553         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 554                 mcsdir=$with_mcs_path
 555         fi
 556 )
 557
 558 #
 559 # A sanity check to catch cases where the package was unpacked
 560 # with an ancient tar program (Solaris)
 561 #
 562 AC_ARG_ENABLE(solaris-tar-check,
 563 [  --disable-solaris-tar-check    disable solaris tar check],
 564    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 565
 566 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 567         AC_MSG_CHECKING(integrity of package)
 568         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 569         then
 570                 AC_MSG_RESULT(ok)
 571         else
 572                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 573                 AC_MSG_ERROR([$errorm])
 574         fi
 575 fi
 576
 577 if test "x$with_mcs_path" != "x"; then
 578 mcs_topdir=$(cd "$mcsdir" && pwd)
 579 mcs_topdir_from_srcdir=$mcs_topdir
 580 else
 581 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 582 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 583 fi
 584
 585 # Convert mcs_topdir* paths to Windows syntax.
 586 if test x$cross_compiling$host_win32 = xnoyes; then
 587   mcs_topdir=$(cygpath -m $mcs_topdir)
 588   case $mcs_topdir_from_srcdir in
 589     /cygdrive/*)
 590         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 591         ;;
 592   esac
 593 fi
 594
 595 AC_SUBST([mcs_topdir])
 596 AC_SUBST([mcs_topdir_from_srcdir])
 597
 598 # Where's the 'olive' source tree?
 599 if test -d $srcdir/olive; then
 600   olivedir=olive
 601 else
 602   olivedir=../olive
 603 fi
 604
 605 if test -d $srcdir/$olivedir; then
 606 olive_topdir='$(top_srcdir)/'$olivedir
 607 fi
 608
 609 # gettext: prepare the translation directories.
 610 # we do not configure the full gettext, as we consume it dynamically from C#
 611 AM_PO_SUBDIRS
 612
 613 if test "x$USE_NLS" = "xyes"; then
 614    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 615
 616    if test "x$HAVE_MSGFMT" = "xno"; then
 617           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 618    fi
 619 fi
 620
 621 AC_ARG_WITH([libgdiplus],
 622         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 623         [], [with_libgdiplus=installed])
 624
 625 case $with_libgdiplus in
 626 no|installed) libgdiplus_loc= ;;
 627 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 628 /*) libgdiplus_loc=$with_libgdiplus ;;
 629 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 630 esac
 631 AC_SUBST([libgdiplus_loc])
 632
 633 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 634
 635 pkg_config_path=
 636 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 637         if test x$with_crosspkgdir = "x"; then
 638                 if test -s $PKG_CONFIG_PATH; then
 639                         pkg_config_path=$PKG_CONFIG_PATH
 640                 fi
 641         else
 642                 pkg_config_path=$with_crosspkgdir
 643                 PKG_CONFIG_PATH=$pkg_config_path
 644                 export PKG_CONFIG_PATH
 645         fi
 646 )
 647
 648 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 649 AC_CONFIG_SUBDIRS(eglib)
 650
 651 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 652 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 653 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 654 BUILD_GLIB_LIBS="$GLIB_LIBS"
 655 GMODULE_CFLAGS="$GLIB_CFLAGS"
 656 GMODULE_LIBS="$GLIB_LIBS"
 657
 658 AC_SUBST(GLIB_CFLAGS)
 659 AC_SUBST(GLIB_LIBS)
 660 AC_SUBST(GMODULE_CFLAGS)
 661 AC_SUBST(GMODULE_LIBS)
 662 AC_SUBST(BUILD_GLIB_CFLAGS)
 663 AC_SUBST(BUILD_GLIB_LIBS)
 664
 665 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 666
 667 # Enable support for fast thread-local storage
 668 # Some systems have broken support, so we allow to disable it.
 669 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 670
 671 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 672 # This does not work on some platforms (bug #55253)
 673 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 674
 675 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 676 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 677 # Same as --with-shared_mono=no
 678 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 679
 680 if test "x$enable_static" = "xno"; then
 681    with_static_mono=no
 682 fi
 683
 684 if test "x$enable_shared" = "xno"; then
 685    with_shared_mono=no
 686 fi
 687
 688 if test "x$enable_libraries" = "xno"; then
 689    with_shared_mono=no
 690 fi
 691
 692 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 693
 694 case $host in
 695 *nacl* ) with_shared_mono=yes;;
 696 esac
 697
 698 if test "x$host_win32" = "xyes"; then
 699    # Boehm GC requires the runtime to be in its own dll
 700    with_static_mono=no
 701 fi
 702
 703 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 704 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 705 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 706
 707 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 708 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 709         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 710         ORIG_CFLAGS=$CFLAGS
 711         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 712         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 713         AC_TRY_COMPILE([], [
 714                 return 0;
 715         ], [
 716            AC_MSG_RESULT(yes)
 717            # Pass it to libgc as well
 718            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 719         ], [
 720            AC_MSG_RESULT(no)
 721            CFLAGS=$ORIG_CFLAGS
 722         ])
 723 fi
 724
 725 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 726
 727 if test x$enable_small_config = xyes; then
 728         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 729         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 730 fi
 731
 732 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=$enableval, enable_system_aot=default)
 733
 734 DISABLED_FEATURES=none
 735
 736 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 737      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 738      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 739          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 740 [
 741         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 742                 eval "mono_feature_disable_$feature='yes'"
 743         done
 744         DISABLED_FEATURES=$enable_minimal
 745         disabled="Disabled:      $enable_minimal"
 746 ],[])
 747
 748 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 749
 750 if test "x$mono_feature_disable_aot" = "xyes"; then
 751         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 752         AC_MSG_NOTICE([Disabled AOT compiler])
 753 fi
 754
 755 if test "x$mono_feature_disable_profiler" = "xyes"; then
 756         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 757         AC_MSG_NOTICE([Disabled support for the profiler])
 758 fi
 759 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 760
 761 if test "x$mono_feature_disable_decimal" = "xyes"; then
 762         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 763         AC_MSG_NOTICE([Disabled support for decimal])
 764 fi
 765
 766 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 767         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 768         AC_MSG_NOTICE([Disabled support for P/Invoke])
 769 fi
 770
 771 if test "x$mono_feature_disable_debug" = "xyes"; then
 772         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 773         AC_MSG_NOTICE([Disabled support for runtime debugging])
 774 fi
 775
 776 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 777         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 778         mono_feature_disable_reflection_emit_save=yes
 779         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 780 fi
 781
 782 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 783         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 784         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 785 fi
 786
 787 if test "x$mono_feature_disable_large_code" = "xyes"; then
 788         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 789         AC_MSG_NOTICE([Disabled support for large assemblies])
 790 fi
 791
 792 if test "x$mono_feature_disable_logging" = "xyes"; then
 793         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 794         AC_MSG_NOTICE([Disabled support for logging])
 795 fi
 796
 797 if test "x$mono_feature_disable_com" = "xyes"; then
 798         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 799         AC_MSG_NOTICE([Disabled COM support])
 800 fi
 801
 802 if test "x$mono_feature_disable_ssa" = "xyes"; then
 803         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 804         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 805 fi
 806
 807 if test "x$mono_feature_disable_generics" = "xyes"; then
 808         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 809         AC_MSG_NOTICE([Disabled Generics Support])
 810 fi
 811
 812 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 813         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 814         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 815 fi
 816
 817 if test "x$mono_feature_disable_portability" = "xyes"; then
 818         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 819         AC_MSG_NOTICE([Disabled IO Portability layer])
 820 fi
 821
 822 if test "x$mono_feature_disable_attach" = "xyes"; then
 823         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 824         AC_MSG_NOTICE([Disabled agent attach])
 825 fi
 826
 827 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 828         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 829         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 830 fi
 831
 832 if test "x$mono_feature_disable_verifier" = "xyes"; then
 833         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 834         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 835 fi
 836
 837 if test "x$mono_feature_disable_jit" = "xyes"; then
 838         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 839         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 840 fi
 841
 842 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 843
 844 if test "x$mono_feature_disable_simd" = "xyes"; then
 845         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 846         AC_MSG_NOTICE([Disabled SIMD support])
 847 fi
 848
 849 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 850         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 851         AC_MSG_NOTICE([Disabled Soft Debugger.])
 852 fi
 853
 854 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 855         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 856         AC_MSG_NOTICE([Disabled Performance Counters.])
 857 fi
 858 if test "x$mono_feature_disable_normalization" = "xyes"; then
 859         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 860         AC_MSG_NOTICE([Disabled String normalization support.])
 861 fi
 862
 863 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 864         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 865         AC_MSG_NOTICE([Disabled Assembly remapping.])
 866 fi
 867
 868 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 869         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 870         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 871 fi
 872
 873 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 874         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 875         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 876 fi
 877
 878 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 879         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 880         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 881 fi
 882
 883 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 884         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 885         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 886 fi
 887
 888 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 890         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 891 fi
 892
 893 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 894         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 895         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 896 fi
 897
 898 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 899         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 900         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 901 fi
 902
 903 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 904 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 905
 906 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
 907 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 908
 909 if test x$has_extension_module != xno ; then
 910         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 911         AC_MSG_NOTICE([Enabling mono extension module.])
 912 fi
 913
 914
 915 AC_MSG_CHECKING(for visibility __attribute__)
 916 AC_COMPILE_IFELSE([
 917         AC_LANG_SOURCE([[
 918                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 919                 int main () { doit (); return 0; }
 920         ]])
 921 ], [
 922    have_visibility_hidden=yes
 923    AC_MSG_RESULT(yes)
 924 ], [
 925    have_visibility_hidden=no
 926    AC_MSG_RESULT(no)
 927 ])
 928
 929 AC_MSG_CHECKING(for deprecated __attribute__)
 930 AC_TRY_COMPILE([
 931      int doit (void) __attribute__ ((deprecated));
 932      int doit (void) { return 0; }
 933 ], [
 934         return 0;
 935 ], [
 936    have_deprecated=yes
 937    AC_MSG_RESULT(yes)
 938 ], [
 939    have_deprecated=no
 940    AC_MSG_RESULT(no)
 941 ])
 942
 943 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 944 if test x$enable_parallel_mark = xyes; then
 945         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 946 fi
 947
 948 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 949 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 950
 951 dnl
 952 dnl Boehm GC configuration
 953 dnl
 954 LIBGC_CPPFLAGS=
 955 LIBGC_LIBS=
 956 LIBGC_STATIC_LIBS=
 957 libgc_dir=
 958 case "x$gc" in
 959         xboehm|xbohem|xyes)
 960                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 961                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 962
 963                 if test "x$found_boehm" != "xyes"; then
 964                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 965                 fi
 966                 if test "x$gc_headers" != "xyes"; then
 967                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 968                 fi
 969
 970                 LIBGC_LIBS="-lgc $libdl"
 971                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 972                 libmono_ldflags="$libmono_ldflags -lgc"
 973                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 974
 975                 # AC_CHECK_FUNCS does not work for some reason...
 976                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 977                 if test "x$found_gcj_malloc" = "xyes"; then
 978                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 979                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 980                         gc_msg="System Boehm with typed GC"
 981                 else
 982                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 983                         gc_msg="System Boehm (without typed GC)"
 984                 fi
 985                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 986                 if test "x$found_gc_enable" = "xyes"; then
 987                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
 988                 fi
 989
 990                 # check whether we need to explicitly allow
 991                 # thread registering
 992                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
 993                 if test "x$found_allow_register_threads" = "xyes"; then
 994                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
 995                 fi
 996
 997                 ;;
 998
 999         xincluded)
1000                 use_included_gc=yes
1001                 libgc_dir=libgc
1002
1003                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1004                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1005                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1006
1007                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1008
1009                 gc_msg="bundled Boehm GC with typed GC"
1010                 if test x$enable_parallel_mark = xyes; then
1011                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1012                         gc_msg="$gc_msg and parallel mark"
1013                 else
1014                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1015                 fi
1016                 ;;
1017
1018         xsgen)
1019                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1020                 ;;
1021
1022         xnone)
1023                 AC_MSG_WARN("Compiling mono without GC.")
1024                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1025                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1026                 ;;
1027         *)
1028                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1029                 ;;
1030 esac
1031
1032 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1033 if test "x$large_heap" = "xyes"; then
1034    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1035 fi
1036
1037 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1038 AC_SUBST(LIBGC_CPPFLAGS)
1039 AC_SUBST(LIBGC_LIBS)
1040 AC_SUBST(LIBGC_STATIC_LIBS)
1041 AC_SUBST(libgc_dir)
1042 AC_SUBST(BOEHM_DEFINES)
1043
1044 dnl
1045 dnl End of libgc checks
1046 dnl
1047
1048 dnl *************************************
1049 dnl *** Checks for zero length arrays ***
1050 dnl *************************************
1051 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1052 AC_TRY_COMPILE([
1053         struct s {
1054                 int  length;
1055                 char data [0];
1056         };
1057 ], [], [
1058         AC_MSG_RESULT(yes)
1059         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1060 ], [
1061         AC_MSG_RESULT(no)
1062         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1063 ])
1064
1065 if test x$target_win32 = xno; then
1066
1067         dnl hires monotonic clock support
1068         AC_SEARCH_LIBS(clock_gettime, rt)
1069
1070         dnl dynamic loader support
1071         AC_CHECK_FUNC(dlopen, DL_LIB="",
1072                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1073         )
1074         if test x$dl_support = xno; then
1075                 AC_MSG_WARN([No dynamic loading support available])
1076         else
1077                 LIBS="$LIBS $DL_LIB"
1078                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1079                 dnl from glib's configure.in
1080                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1081                         mono_cv_uscore,[
1082                         AC_TRY_RUN([#include <dlfcn.h>
1083                         int mono_underscore_test (void) { return 42; }
1084                         int main() {
1085                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1086                           handle = dlopen ((void*)0, 0);
1087                           if (handle) {
1088                             f1 = dlsym (handle, "mono_underscore_test");
1089                             f2 = dlsym (handle, "_mono_underscore_test");
1090                           } return (!f2 || f1);
1091                         }],
1092                                 [mono_cv_uscore=yes],
1093                                 [mono_cv_uscore=no],
1094                         [])
1095                 ])
1096                 if test "x$mono_cv_uscore" = "xyes"; then
1097                         MONO_DL_NEED_USCORE=1
1098                 else
1099                         MONO_DL_NEED_USCORE=0
1100                 fi
1101                 AC_SUBST(MONO_DL_NEED_USCORE)
1102                 AC_CHECK_FUNC(dlerror)
1103         fi
1104
1105         dnl ******************************************************************
1106         dnl *** Checks for the IKVM JNI interface library                  ***
1107         dnl ******************************************************************
1108         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])
1109
1110         ikvm_native_dir=
1111         if test x$with_ikvm_native = xyes; then
1112                 ikvm_native_dir=ikvm-native
1113                 jdk_headers_found="IKVM Native"
1114         fi
1115
1116         AC_SUBST(ikvm_native_dir)
1117
1118         AC_CHECK_HEADERS(execinfo.h)
1119
1120         AC_CHECK_FUNCS(getgrgid_r)
1121         AC_CHECK_FUNCS(getgrnam_r)
1122         AC_CHECK_FUNCS(getpwnam_r)
1123         AC_CHECK_FUNCS(getpwuid_r)
1124         AC_CHECK_FUNCS(getresuid)
1125         AC_CHECK_FUNCS(setresuid)
1126         AC_CHECK_FUNCS(kqueue)
1127         AC_CHECK_FUNCS(backtrace_symbols)
1128         AC_CHECK_FUNCS(mkstemp)
1129         AC_CHECK_FUNCS(mmap)
1130         AC_CHECK_FUNCS(madvise)
1131         AC_CHECK_FUNCS(getrusage)
1132         AC_CHECK_FUNCS(getpriority)
1133         AC_CHECK_FUNCS(setpriority)
1134         AC_CHECK_FUNCS(dl_iterate_phdr)
1135         AC_CHECK_FUNCS(dladdr)
1136         AC_CHECK_FUNCS(sysconf)
1137
1138         AC_CHECK_FUNCS(sched_setaffinity)
1139         AC_CHECK_FUNCS(sched_getcpu)
1140
1141         dnl ****************************************************************
1142         dnl *** Check for sched_setaffinity from glibc versions before   ***
1143         dnl *** 2.3.4. The older versions of the function only take 2    ***
1144         dnl *** parameters, not 3.                                       ***
1145         dnl ***                                                          ***
1146         dnl *** Because the interface change was not made in a minor     ***
1147         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1148         dnl *** won't always indicate the interface sched_affinity has.  ***
1149         dnl ****************************************************************
1150         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1151         AC_TRY_COMPILE([#include <sched.h>], [
1152             int mask = 1;
1153             sched_setaffinity(0, &mask);
1154                         return 0;
1155         ], [
1156                 # Yes, we have it...
1157                 AC_MSG_RESULT(yes)
1158                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1159         ], [
1160                 # We have the new, three-parameter version
1161                 AC_MSG_RESULT(no)
1162         ])
1163
1164
1165         dnl ******************************************************************
1166         dnl *** Check for large file support                               ***
1167         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1168         dnl ******************************************************************
1169
1170         # Check that off_t can represent 2**63 - 1 correctly, working around
1171         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1172         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1173         large_offt=no
1174         AC_DEFUN([LARGE_FILES], [
1175                 large_CPPFLAGS=$CPPFLAGS
1176                 CPPFLAGS="$CPPFLAGS $1"
1177                 AC_TRY_COMPILE([
1178                         #include <sys/types.h>
1179                         #include <limits.h>
1180                 ], [
1181                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1182                         #define COMPILE_TIME_ASSERT(pred) \
1183                                 switch(0){case 0:case pred:;}
1184                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1185                 ], [
1186                         AC_MSG_RESULT(ok)
1187                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1188                         large_CPPFLAGS="$large_CPPFLAGS $1"
1189                         large_offt=yes
1190                 ], [
1191                         AC_MSG_RESULT(no)
1192                 ])
1193                 CPPFLAGS=$large_CPPFLAGS
1194         ])
1195
1196         AC_MSG_CHECKING(if off_t is 64 bits wide)
1197         LARGE_FILES("")
1198         if test $large_offt = no; then
1199                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1200                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1201         fi
1202         if test $large_offt = no; then
1203                 AC_MSG_WARN([No 64 bit file size support available])
1204         fi
1205
1206         dnl *****************************
1207         dnl *** Checks for libsocket  ***
1208         dnl *****************************
1209         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1210
1211         case "$host" in
1212                 *-*-*freebsd*)
1213                         dnl *****************************
1214                         dnl *** Checks for libinotify ***
1215                         dnl *****************************
1216                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1217         esac
1218
1219         dnl *******************************
1220         dnl *** Checks for MSG_NOSIGNAL ***
1221         dnl *******************************
1222         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1223         AC_TRY_COMPILE([#include <sys/socket.h>], [
1224                 int f = MSG_NOSIGNAL;
1225         ], [
1226                 # Yes, we have it...
1227                 AC_MSG_RESULT(yes)
1228                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1229         ], [
1230                 # We'll have to use signals
1231                 AC_MSG_RESULT(no)
1232         ])
1233
1234         dnl *****************************
1235         dnl *** Checks for IPPROTO_IP ***
1236         dnl *****************************
1237         AC_MSG_CHECKING(for IPPROTO_IP)
1238         AC_TRY_COMPILE([#include <netinet/in.h>], [
1239                 int level = IPPROTO_IP;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1244         ], [
1245                 # We'll have to use getprotobyname
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249         dnl *******************************
1250         dnl *** Checks for IPPROTO_IPV6 ***
1251         dnl *******************************
1252         AC_MSG_CHECKING(for IPPROTO_IPV6)
1253         AC_TRY_COMPILE([#include <netinet/in.h>], [
1254                 int level = IPPROTO_IPV6;
1255         ], [
1256                 # Yes, we have it...
1257                 AC_MSG_RESULT(yes)
1258                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1259         ], [
1260                 # We'll have to use getprotobyname
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl ******************************
1265         dnl *** Checks for IPPROTO_TCP ***
1266         dnl ******************************
1267         AC_MSG_CHECKING(for IPPROTO_TCP)
1268         AC_TRY_COMPILE([#include <netinet/in.h>], [
1269                 int level = IPPROTO_TCP;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1274         ], [
1275                 # We'll have to use getprotobyname
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl *****************************
1280         dnl *** Checks for SOL_IP     ***
1281         dnl *****************************
1282         AC_MSG_CHECKING(for SOL_IP)
1283         AC_TRY_COMPILE([#include <netdb.h>], [
1284                 int level = SOL_IP;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1289         ], [
1290                 # We'll have to use getprotobyname
1291                 AC_MSG_RESULT(no)
1292         ])
1293
1294         dnl *****************************
1295         dnl *** Checks for SOL_IPV6     ***
1296         dnl *****************************
1297         AC_MSG_CHECKING(for SOL_IPV6)
1298         AC_TRY_COMPILE([#include <netdb.h>], [
1299                 int level = SOL_IPV6;
1300         ], [
1301                 # Yes, we have it...
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1304         ], [
1305                 # We'll have to use getprotobyname
1306                 AC_MSG_RESULT(no)
1307         ])
1308
1309         dnl *****************************
1310         dnl *** Checks for SOL_TCP    ***
1311         dnl *****************************
1312         AC_MSG_CHECKING(for SOL_TCP)
1313         AC_TRY_COMPILE([#include <netdb.h>], [
1314                 int level = SOL_TCP;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1319         ], [
1320                 # We'll have to use getprotobyname
1321                 AC_MSG_RESULT(no)
1322         ])
1323
1324         dnl *****************************
1325         dnl *** Checks for IP_PKTINFO ***
1326         dnl *****************************
1327         AC_MSG_CHECKING(for IP_PKTINFO)
1328         AC_TRY_COMPILE([#include <linux/in.h>], [
1329                 int level = IP_PKTINFO;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1334         ], [
1335                 AC_MSG_RESULT(no)
1336         ])
1337
1338         dnl *****************************
1339         dnl *** Checks for IPV6_PKTINFO ***
1340         dnl *****************************
1341         AC_MSG_CHECKING(for IPV6_PKTINFO)
1342         AC_TRY_COMPILE([#include <netdb.h>], [
1343                 int level = IPV6_PKTINFO;
1344         ], [
1345                 # Yes, we have it...
1346                 AC_MSG_RESULT(yes)
1347                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1348         ], [
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl **********************************
1353         dnl *** Checks for IP_DONTFRAG     ***
1354         dnl **********************************
1355         AC_MSG_CHECKING(for IP_DONTFRAG)
1356         AC_TRY_COMPILE([#include <netinet/in.h>], [
1357                 int level = IP_DONTFRAG;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1362         ], [
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl **********************************
1367         dnl *** Checks for IP_DONTFRAGMENT ***
1368         dnl **********************************
1369         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1370         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1371                 int level = IP_DONTFRAGMENT;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1376         ], [
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl **********************************
1381         dnl *** Checks for IP_MTU_DISCOVER ***
1382         dnl **********************************
1383         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1384         AC_TRY_COMPILE([#include <linux/in.h>], [
1385                 int level = IP_MTU_DISCOVER;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1390         ], [
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl **********************************
1395         dnl *** Checks for  IP_PMTUDISC_DO ***
1396         dnl **********************************
1397         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1398         AC_TRY_COMPILE([#include <linux/in.h>], [
1399                 int level = IP_PMTUDISC_DO;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1404         ], [
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408         dnl *********************************
1409         dnl *** Check for struct ip_mreqn ***
1410         dnl *********************************
1411         AC_MSG_CHECKING(for struct ip_mreqn)
1412         AC_TRY_COMPILE([#include <netinet/in.h>], [
1413                 struct ip_mreqn mreq;
1414                 mreq.imr_address.s_addr = 0;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1419         ], [
1420                 # We'll just have to try and use struct ip_mreq
1421                 AC_MSG_RESULT(no)
1422                 AC_MSG_CHECKING(for struct ip_mreq)
1423                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1424                         struct ip_mreq mreq;
1425                         mreq.imr_interface.s_addr = 0;
1426                 ], [
1427                         # Yes, we have it...
1428                         AC_MSG_RESULT(yes)
1429                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1430                 ], [
1431                         # No multicast support
1432                         AC_MSG_RESULT(no)
1433                 ])
1434         ])
1435
1436         dnl **********************************
1437         dnl *** Check for gethostbyname2_r ***
1438         dnl **********************************
1439         AC_MSG_CHECKING(for gethostbyname2_r)
1440                 AC_TRY_LINK([#include <netdb.h>], [
1441                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1442         ], [
1443                 # Yes, we have it...
1444                 AC_MSG_RESULT(yes)
1445                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1446         ], [
1447                 AC_MSG_RESULT(no)
1448         ])
1449
1450         dnl *****************************
1451         dnl *** Checks for libnsl     ***
1452         dnl *****************************
1453         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1454
1455         AC_CHECK_FUNCS(inet_pton inet_aton)
1456
1457         dnl ***********************************************
1458         dnl *** Checks for size of sockaddr_un.sun_path ***
1459         dnl ***********************************************
1460         # AC_CHECK_SIZEOF can't cope with struct members :-(
1461         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1462         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1463                 [AC_TRY_RUN([
1464                         #include <sys/types.h>
1465                         #include <stdio.h>
1466                         #include <sys/un.h>
1467
1468                         int main(void) {
1469                                 struct sockaddr_un sock_un;
1470                                 FILE *f=fopen("conftestval", "w");
1471                                 if(!f) exit(1);
1472                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1473                                 exit(0);
1474                         }
1475                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1476                    mono_cv_sizeof_sunpath=0,
1477                    mono_cv_sizeof_sunpath=0)])dnl
1478         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1479         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1480
1481         dnl *****************************
1482         dnl *** Checks for libxnet    ***
1483         dnl *****************************
1484         case "${host}" in
1485                 *solaris* )
1486                         AC_MSG_CHECKING(for Solaris XPG4 support)
1487                         if test -f /usr/lib/libxnet.so; then
1488                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1489                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1490                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1491                                 LIBS="$LIBS -lxnet"
1492                                 AC_MSG_RESULT(yes)
1493                         else
1494                                 AC_MSG_RESULT(no)
1495                         fi
1496
1497                         if test "$GCC" = "yes"; then
1498                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1499                         fi
1500                 ;;
1501         esac
1502
1503         dnl *****************************
1504         dnl *** Checks for libpthread ***
1505         dnl *****************************
1506 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1507 # and libpthread does not exist
1508 #
1509         case "${host}" in
1510                 *-*-*freebsd*)
1511                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1512                 ;;
1513                 *-*-*openbsd*)
1514                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1515                 ;;
1516                 *)
1517                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1518                 ;;
1519         esac
1520         AC_CHECK_HEADERS(pthread.h)
1521         AC_CHECK_HEADERS(pthread_np.h)
1522         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1523         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1524         AC_CHECK_FUNCS(pthread_kill)
1525         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1526         AC_TRY_COMPILE([ #include <pthread.h>], [
1527                 pthread_mutexattr_t attr;
1528                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1529         ], [
1530                 AC_MSG_RESULT(ok)
1531         ], [
1532                 AC_MSG_RESULT(no)
1533                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1534                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1535         ])
1536         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1537         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1538         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1539
1540         dnl ***********************************
1541         dnl *** Checks for signals
1542         dnl ***********************************
1543         AC_CHECK_HEADERS(signal.h)
1544         AC_CHECK_FUNCS(sigaction)
1545
1546         dnl ***********************************
1547         dnl *** Checks for working __thread ***
1548         dnl ***********************************
1549         AC_MSG_CHECKING(for working __thread)
1550         if test "x$with_tls" != "x__thread"; then
1551                 AC_MSG_RESULT(disabled)
1552         else
1553                 AC_TRY_RUN([
1554                         #include <pthread.h>
1555                         __thread int i;
1556                         static int res1, res2;
1557
1558                         void thread_main (void *arg)
1559                         {
1560                                 i = arg;
1561                                 sleep (1);
1562                                 if (arg == 1)
1563                                         res1 = (i == arg);
1564                                 else
1565                                         res2 = (i == arg);
1566                         }
1567
1568                         int main () {
1569                                 pthread_t t1, t2;
1570
1571                                 i = 5;
1572
1573                                 pthread_create (&t1, NULL, thread_main, 1);
1574                                 pthread_create (&t2, NULL, thread_main, 2);
1575
1576                                 pthread_join (t1, NULL);
1577                                 pthread_join (t2, NULL);
1578
1579                                 return !(res1 + res2 == 2);
1580                         }
1581                 ], [
1582                                 AC_MSG_RESULT(yes)
1583                 ], [
1584                                 AC_MSG_RESULT(no)
1585                                 with_tls=pthread
1586                 ])
1587         fi
1588
1589         dnl **************************************
1590         dnl *** Checks for working sigaltstack ***
1591         dnl **************************************
1592         AC_MSG_CHECKING(for working sigaltstack)
1593         if test "x$with_sigaltstack" != "xyes"; then
1594                 AC_MSG_RESULT(disabled)
1595         else
1596                 AC_TRY_RUN([
1597                         #include <stdio.h>
1598                         #include <stdlib.h>
1599                         #include <unistd.h>
1600                         #include <signal.h>
1601                         #include <pthread.h>
1602                         #include <sys/wait.h>
1603                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1604                         #define SA_STACK SA_ONSTACK
1605                         #endif
1606                         static void
1607                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1608                         {
1609                                 exit (0);
1610                         }
1611
1612                         volatile char*__ptr = NULL;
1613                         static void *
1614                         loop (void *ignored)
1615                         {
1616                                 *__ptr = 0;
1617                                 return NULL;
1618                         }
1619
1620                         static void
1621                         child ()
1622                         {
1623                                 struct sigaction sa;
1624                         #ifdef __APPLE__
1625                                 stack_t sas;
1626                         #else
1627                                 struct sigaltstack sas;
1628                         #endif
1629                                 pthread_t id;
1630                                 pthread_attr_t attr;
1631
1632                                 sa.sa_sigaction = sigsegv_signal_handler;
1633                                 sigemptyset (&sa.sa_mask);
1634                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1635                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1636                                         perror ("sigaction");
1637                                         return;
1638                                 }
1639
1640                                 /* x86 darwin deliver segfaults using SIGBUS */
1641                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1642                                         perror ("sigaction");
1643                                         return;
1644                                 }
1645                                 sas.ss_sp = malloc (SIGSTKSZ);
1646                                 sas.ss_size = SIGSTKSZ;
1647                                 sas.ss_flags = 0;
1648                                 if (sigaltstack (&sas, NULL) == -1) {
1649                                         perror ("sigaltstack");
1650                                         return;
1651                                 }
1652
1653                                 pthread_attr_init (&attr);
1654                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1655                                         printf ("pthread_create\n");
1656                                         return;
1657                                 }
1658
1659                                 sleep (100);
1660                         }
1661
1662                         int
1663                         main ()
1664                         {
1665                                 pid_t son;
1666                                 int status;
1667                                 int i;
1668
1669                                 son = fork ();
1670                                 if (son == -1) {
1671                                         return 1;
1672                                 }
1673
1674                                 if (son == 0) {
1675                                         child ();
1676                                         return 0;
1677                                 }
1678
1679                                 for (i = 0; i < 300; ++i) {
1680                                         waitpid (son, &status, WNOHANG);
1681                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1682                                                 return 0;
1683                                         usleep (10000);
1684                                 }
1685
1686                                 kill (son, SIGKILL);
1687                                 return 1;
1688                         }
1689
1690                 ], [
1691                                 AC_MSG_RESULT(yes)
1692                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1693                 ], [
1694                                 with_sigaltstack=no
1695                                 AC_MSG_RESULT(no)
1696                 ])
1697         fi
1698
1699         dnl ********************************
1700         dnl *** Checks for semaphore lib ***
1701         dnl ********************************
1702         # 'Real Time' functions on Solaris
1703         # posix4 on Solaris 2.6
1704         # pthread (first!) on Linux
1705         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1706
1707         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1708         AC_CHECK_FUNCS(shm_open)
1709
1710         dnl ********************************
1711         dnl *** Checks for timezone stuff **
1712         dnl ********************************
1713         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1714                 AC_TRY_COMPILE([
1715                         #include <time.h>
1716                         ], [
1717                         struct tm tm;
1718                         tm.tm_gmtoff = 1;
1719                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1720         if test $ac_cv_struct_tm_gmtoff = yes; then
1721                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1722         else
1723                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1724                         AC_TRY_COMPILE([
1725                                 #include <time.h>
1726                         ], [
1727                                 timezone = 1;
1728                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1729                 if test $ac_cv_var_timezone = yes; then
1730                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1731                 else
1732                         AC_ERROR(unable to find a way to determine timezone)
1733                 fi
1734         fi
1735
1736         dnl *********************************
1737         dnl *** Checks for math functions ***
1738         dnl *********************************
1739         AC_SEARCH_LIBS(sqrtf, m)
1740         if test "x$has_broken_apple_cpp" != "xyes"; then
1741                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1742                         AC_TRY_LINK([#include <math.h>],
1743                         [ finite(0.0); ],
1744                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1745                         AC_MSG_RESULT(no)))
1746         fi
1747         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1748                 AC_TRY_LINK([#include <math.h>],
1749                 [ isfinite(0.0); ],
1750                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1751                 AC_MSG_RESULT(no)))
1752
1753         dnl ****************************************************************
1754         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1755         dnl *** have it in the library (duh))                            ***
1756         dnl ****************************************************************
1757         AC_CHECK_FUNCS(poll)
1758
1759         dnl *************************
1760         dnl *** Check for signbit ***
1761         dnl *************************
1762         AC_MSG_CHECKING(for signbit)
1763         AC_TRY_LINK([#include <math.h>], [
1764                 int s = signbit(1.0);
1765         ], [
1766                 AC_MSG_RESULT(yes)
1767                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1768         ], [
1769                 AC_MSG_RESULT(no)
1770         ])
1771
1772         dnl **********************************
1773         dnl *** epoll                      ***
1774         dnl **********************************
1775         AC_CHECK_HEADERS(sys/epoll.h)
1776         haveepoll=no
1777         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1778         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1779                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1780         fi
1781
1782         havekqueue=no
1783         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1784                 AC_TRY_LINK([#include <sys/event.h>],
1785                 [ kqueue(); ],[havekqueue=yes],[]))
1786
1787         dnl **************************************
1788         dnl * Darwin has a race that prevents us from using reliably:
1789         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1790         dnl * Since kqueue is mostly used for scaling large web servers,
1791         dnl * and very few folks run Mono on large web servers on OSX, falling
1792         dnl * back
1793         dnl **************************************
1794         if test x$havekqueue = xyes; then
1795                 if x$platform_darwin = xno; then
1796                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1797                 fi
1798         fi
1799
1800         dnl ******************************
1801         dnl *** Checks for SIOCGIFCONF ***
1802         dnl ******************************
1803         AC_CHECK_HEADERS(sys/ioctl.h)
1804         AC_CHECK_HEADERS(net/if.h, [], [],
1805            [
1806            #ifdef HAVE_SYS_TYPES_H
1807            # include <sys/types.h>
1808            #endif
1809            #ifdef HAVE_SYS_SOCKET_H
1810            # include <sys/socket.h>
1811            #endif
1812            ])
1813         AC_MSG_CHECKING(for ifreq)
1814         AC_TRY_COMPILE([
1815                 #include <stdio.h>
1816                 #include <sys/ioctl.h>
1817                 #include <net/if.h>
1818                 ], [
1819                 struct ifconf ifc;
1820                 struct ifreq *ifr;
1821                 void *x;
1822                 ifc.ifc_len = 0;
1823                 ifc.ifc_buf = NULL;
1824                 x = (void *) &ifr->ifr_addr;
1825                 ],[
1826                         AC_MSG_RESULT(yes)
1827                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1828                 ], [
1829                         AC_MSG_RESULT(no)
1830                 ])
1831         dnl **********************************
1832         dnl ***     Checks for sin_len     ***
1833         dnl **********************************
1834         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1835         AC_TRY_COMPILE([
1836                 #include <netinet/in.h>
1837                 ], [
1838                 struct sockaddr_in saddr;
1839                 saddr.sin_len = sizeof (saddr);
1840                 ],[
1841                         AC_MSG_RESULT(yes)
1842                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1843                 ], [
1844                         AC_MSG_RESULT(no)
1845                 ])
1846         dnl **********************************
1847         dnl ***    Checks for sin6_len     ***
1848         dnl **********************************
1849         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1850         AC_TRY_COMPILE([
1851                 #include <netinet/in.h>
1852                 ], [
1853                 struct sockaddr_in6 saddr6;
1854                 saddr6.sin6_len = sizeof (saddr6);
1855                 ],[
1856                         AC_MSG_RESULT(yes)
1857                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1858                 ], [
1859                         AC_MSG_RESULT(no)
1860                 ])
1861         dnl **********************************
1862         dnl *** Check for getifaddrs       ***
1863         dnl **********************************
1864         AC_MSG_CHECKING(for getifaddrs)
1865                 AC_TRY_LINK([
1866                 #include <stdio.h>
1867                 #include <sys/types.h>
1868                 #include <sys/socket.h>
1869                 #include <ifaddrs.h>
1870         ], [
1871                 getifaddrs(NULL);
1872         ], [
1873                 # Yes, we have it...
1874                 AC_MSG_RESULT(yes)
1875                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1876         ], [
1877                 AC_MSG_RESULT(no)
1878         ])
1879         dnl **********************************
1880         dnl *** Check for if_nametoindex   ***
1881         dnl **********************************
1882         AC_MSG_CHECKING(for if_nametoindex)
1883                 AC_TRY_LINK([
1884                 #include <stdio.h>
1885                 #include <sys/types.h>
1886                 #include <sys/socket.h>
1887                 #include <net/if.h>
1888         ], [
1889                 if_nametoindex(NULL);
1890         ], [
1891                 # Yes, we have it...
1892                 AC_MSG_RESULT(yes)
1893                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1894         ], [
1895                 AC_MSG_RESULT(no)
1896         ])
1897
1898         dnl **********************************
1899         dnl *** Checks for MonoPosixHelper ***
1900         dnl **********************************
1901         AC_CHECK_HEADERS(checklist.h)
1902         AC_CHECK_HEADERS(pathconf.h)
1903         AC_CHECK_HEADERS(fstab.h)
1904         AC_CHECK_HEADERS(attr/xattr.h)
1905         AC_CHECK_HEADERS(sys/extattr.h)
1906         AC_CHECK_HEADERS(sys/sendfile.h)
1907         AC_CHECK_HEADERS(sys/statvfs.h)
1908         AC_CHECK_HEADERS(sys/statfs.h)
1909         AC_CHECK_HEADERS(sys/vfstab.h)
1910         AC_CHECK_HEADERS(sys/xattr.h)
1911         AC_CHECK_HEADERS(sys/mman.h)
1912         AC_CHECK_HEADERS(sys/param.h)
1913         AC_CHECK_HEADERS(sys/mount.h, [], [],
1914                 [
1915                 #ifdef HAVE_SYS_PARAM_H
1916                 # include <sys/param.h>
1917                 #endif
1918                 ])
1919         AC_CHECK_HEADERS(sys/mount.h)
1920         AC_CHECK_FUNCS(confstr)
1921         AC_CHECK_FUNCS(seekdir telldir)
1922         AC_CHECK_FUNCS(getdomainname)
1923         AC_CHECK_FUNCS(setdomainname)
1924         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1925         AC_CHECK_FUNCS(setgroups)
1926         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1927         AC_CHECK_FUNCS(getfsstat)
1928         AC_CHECK_FUNCS(lutimes futimes)
1929         AC_CHECK_FUNCS(mremap)
1930         AC_CHECK_FUNCS(remap_file_pages)
1931         AC_CHECK_FUNCS(posix_fadvise)
1932         AC_CHECK_FUNCS(posix_fallocate)
1933         AC_CHECK_FUNCS(posix_madvise)
1934         AC_CHECK_FUNCS(vsnprintf)
1935         AC_CHECK_FUNCS(sendfile)
1936         AC_CHECK_FUNCS(gethostid sethostid)
1937         AC_CHECK_FUNCS(sethostname)
1938         AC_CHECK_FUNCS(statfs)
1939         AC_CHECK_FUNCS(fstatfs)
1940         AC_CHECK_FUNCS(statvfs)
1941         AC_CHECK_FUNCS(fstatvfs)
1942         AC_CHECK_FUNCS(stime)
1943         AC_CHECK_FUNCS(strerror_r)
1944         AC_CHECK_FUNCS(ttyname_r)
1945         AC_CHECK_FUNCS(psignal)
1946         AC_CHECK_FUNCS(getlogin_r)
1947         AC_CHECK_FUNCS(lockf)
1948         AC_CHECK_FUNCS(swab)
1949         AC_CHECK_FUNCS(setusershell endusershell)
1950         AC_CHECK_SIZEOF(size_t)
1951         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1952                 [#include <sys/types.h>
1953                  #include <sys/stat.h>
1954                  #include <unistd.h>])
1955         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1956                 [#include <sys/types.h>
1957                  #include <sys/stat.h>
1958                  #include <unistd.h>])
1959         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1960                 [#include <sys/time.h>])
1961         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1962                 [#include <unistd.h>
1963                  #include <fcntl.h>])
1964         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1965                 [#include <sys/poll.h>])
1966         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1967                 [#include <sys/types.h>
1968                  #include <sys/stat.h>
1969                  #include <unistd.h>])
1970         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1971                 [#include <time.h>])
1972         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1973                 [#include <sys/time.h>
1974                  #include <sys/types.h>
1975                  #include <utime.h>])
1976         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1977                 [#include <sys/time.h>])
1978         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1979                 [#include <sys/types.h>
1980                  #include <utime.h>])
1981         AC_CHECK_MEMBERS(
1982                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1983                 [#include <sys/types.h>
1984                  #include <dirent.h>])
1985         AC_CHECK_MEMBERS(
1986                 [struct passwd.pw_gecos],,,
1987                 [#include <sys/types.h>
1988                  #include <pwd.h>])
1989         AC_CHECK_MEMBERS(
1990                 [struct statfs.f_flags],,,
1991                 [#include <sys/types.h>
1992                  #include <sys/vfs.h>])
1993
1994         dnl Favour xattr through glibc, but use libattr if we have to
1995         AC_CHECK_FUNC(lsetxattr, ,
1996                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1997         )
1998         AC_SUBST(XATTR_LIB)
1999
2000         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2001         AC_CHECK_MEMBERS(
2002                 [struct kinfo_proc.kp_proc],,,
2003                 [#include <sys/types.h>
2004                  #include <sys/param.h>
2005                  #include <sys/sysctl.h>
2006                  #include <sys/proc.h>
2007                  ])
2008
2009         dnl *********************************
2010         dnl *** Checks for Windows compilation ***
2011         dnl *********************************
2012         AC_CHECK_HEADERS(sys/time.h)
2013         AC_CHECK_HEADERS(sys/param.h)
2014         AC_CHECK_HEADERS(dirent.h)
2015
2016         dnl *********************************
2017         dnl *** Check for Console 2.0 I/O ***
2018         dnl *********************************
2019         AC_CHECK_HEADERS([curses.h])
2020         AC_CHECK_HEADERS([term.h], [], [],
2021         [#if HAVE_CURSES_H
2022          #include <curses.h>
2023          #endif
2024         ])
2025         AC_CHECK_HEADERS([termios.h])
2026
2027         dnl * This is provided in io-layer, but on windows it's only available
2028         dnl * on xp+
2029         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2030 else
2031         dnl *********************************
2032         dnl *** Checks for Windows compilation ***
2033         dnl *********************************
2034         AC_CHECK_HEADERS(winternl.h)
2035
2036         jdk_headers_found=no
2037         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2038         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2039         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2040         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2041         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2042         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2043         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2044
2045         dnl *********************************
2046         dnl *** Check for struct ip_mreqn ***
2047         dnl *********************************
2048         AC_MSG_CHECKING(for struct ip_mreqn)
2049         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2050                 struct ip_mreqn mreq;
2051                 mreq.imr_address.s_addr = 0;
2052         ], [
2053                 # Yes, we have it...
2054                 AC_MSG_RESULT(yes)
2055                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2056         ], [
2057                 # We'll just have to try and use struct ip_mreq
2058                 AC_MSG_RESULT(no)
2059                 AC_MSG_CHECKING(for struct ip_mreq)
2060                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2061                         struct ip_mreq mreq;
2062                         mreq.imr_interface.s_addr = 0;
2063                 ], [
2064                         # Yes, we have it...
2065                         AC_MSG_RESULT(yes)
2066                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2067                 ], [
2068                         # No multicast support
2069                         AC_MSG_RESULT(no)
2070                 ])
2071         ])
2072         AC_CHECK_FUNCS(GetProcessId)
2073 fi
2074
2075 dnl socklen_t check
2076 AC_MSG_CHECKING(for socklen_t)
2077 AC_TRY_COMPILE([
2078 #include <sys/types.h>
2079 #include <sys/socket.h>
2080 ],[
2081   socklen_t foo;
2082 ],[
2083 ac_cv_c_socklen_t=yes
2084         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2085         AC_MSG_RESULT(yes)
2086 ],[
2087         AC_MSG_RESULT(no)
2088 ])
2089
2090 AC_MSG_CHECKING(for array element initializer support)
2091 AC_TRY_COMPILE([#include <sys/socket.h>], [
2092         const int array[] = {[1] = 2,};
2093 ], [
2094         # Yes, we have it...
2095         AC_MSG_RESULT(yes)
2096         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2097 ], [
2098         # We'll have to use signals
2099         AC_MSG_RESULT(no)
2100 ])
2101
2102 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2103         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2104         AC_TRY_LINK([#include <math.h>],
2105         [ static void *p = &trunc; ],
2106         [
2107                 AC_DEFINE(HAVE_TRUNC)
2108                 AC_MSG_RESULT(yes)
2109                 ac_cv_trunc=yes
2110         ],
2111         AC_MSG_RESULT(no)))
2112
2113 if test "x$ac_cv_truncl" != "xyes"; then
2114    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2115 fi
2116
2117 AC_CHECK_FUNCS(round)
2118 AC_CHECK_FUNCS(rint)
2119 AC_CHECK_FUNCS(execvp)
2120
2121 dnl ****************************
2122 dnl *** Look for /dev/random ***
2123 dnl ****************************
2124
2125 AC_MSG_CHECKING([if usage of random device is requested])
2126 AC_ARG_ENABLE(dev-random,
2127 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2128 try_dev_random=$enableval, try_dev_random=yes)
2129
2130 AC_MSG_RESULT($try_dev_random)
2131
2132 case "{$build}" in
2133     *-openbsd*)
2134     NAME_DEV_RANDOM="/dev/srandom"
2135     ;;
2136
2137 dnl Win32 does not have /dev/random, they have their own method...
2138
2139     *-mingw*|*-*-cygwin*)
2140     ac_cv_have_dev_random=no
2141     ;;
2142
2143 dnl Everywhere else, it's /dev/random
2144
2145     *)
2146     NAME_DEV_RANDOM="/dev/random"
2147     ;;
2148 esac
2149
2150 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2151
2152 dnl Now check if the device actually exists
2153
2154 if test "x$try_dev_random" = "xyes"; then
2155     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2156     [if test -r "$NAME_DEV_RANDOM" ; then
2157         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2158     if test "x$ac_cv_have_dev_random" = "xyes"; then
2159         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2160     fi
2161 else
2162     AC_MSG_CHECKING(for random device)
2163     ac_cv_have_dev_random=no
2164     AC_MSG_RESULT(has been disabled)
2165 fi
2166
2167 if test "x$host_win32" = "xyes"; then
2168     AC_DEFINE(HAVE_CRYPT_RNG)
2169 fi
2170
2171 if test "x$ac_cv_have_dev_random" = "xno" \
2172     && test "x$host_win32" = "xno"; then
2173     AC_MSG_WARN([[
2174 ***
2175 *** A system-provided entropy source was not found on this system.
2176 *** Because of this, the System.Security.Cryptography random number generator
2177 *** will throw a NotImplemented exception.
2178 ***
2179 *** If you are seeing this message, and you know your system DOES have an
2180 *** entropy collection in place, please contact <crichton@gimp.org> and
2181 *** provide information about the system and how to access the random device.
2182 ***
2183 *** Otherwise you can install either egd or prngd and set the environment
2184 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2185 ***]])
2186 fi
2187
2188 AC_MSG_CHECKING([if inter-process shared handles are requested])
2189 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2190 AC_MSG_RESULT($try_shared_handles)
2191 if test "x$try_shared_handles" != "xyes"; then
2192         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2193         AC_SUBST(DISABLE_SHARED_HANDLES)
2194 fi
2195
2196 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2197
2198 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2199 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2200
2201 AC_MSG_CHECKING([if big-arrays are to be enabled])
2202 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2203 if test "x$enable_big_arrays" = "xyes" ; then
2204     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2205         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2206     else
2207         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2208     fi
2209 fi
2210 AC_MSG_RESULT($enable_big_arrays)
2211
2212 dnl **************
2213 dnl *** DTRACE ***
2214 dnl **************
2215
2216 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2217
2218 if test "x$enable_dtrace" = "xyes"; then
2219    if test "x$has_dtrace" = "xno"; then
2220           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2221    fi
2222    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2223    if test "x$DTRACE" = "xno"; then
2224           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2225           enable_dtrace=no
2226    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2227           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2228           enable_dtrace=no
2229    fi
2230 fi
2231
2232 dtrace_g=no
2233 if test "x$enable_dtrace" = "xyes"; then
2234         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2235         DTRACEFLAGS=
2236         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2237                 case "$host" in
2238                         powerpc-*-darwin*)
2239                         DTRACEFLAGS="-arch ppc64"
2240                         ;;
2241                         i*86-*-darwin*)
2242                         DTRACEFLAGS="-arch x86_64"
2243                         ;;
2244                         *)
2245                         DTRACEFLAGS=-64
2246                         ;;
2247                 esac
2248         else
2249                 case "$host" in
2250                         powerpc-*-darwin*)
2251                         DTRACEFLAGS="-arch ppc"
2252                         ;;
2253                         i*86-*-darwin*)
2254                         DTRACEFLAGS="-arch i386"
2255                         ;;
2256                         *)
2257                         DTRACEFLAGS=-32
2258                         ;;
2259                 esac
2260         fi
2261         AC_SUBST(DTRACEFLAGS)
2262         case "$host" in
2263                 *-*-solaris*)
2264                 dtrace_g=yes
2265                 ;;
2266         esac
2267         AC_CHECK_HEADERS([sys/sdt.h])
2268 fi
2269 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2270 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2271
2272 dnl **************
2273 dnl ***  NaCl  ***
2274 dnl **************
2275
2276 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2277 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2278
2279 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2280 if test "x$enable_nacl_codegen" = "xyes"; then
2281    MONO_NACL_ALIGN_MASK_OFF=1
2282    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2283    AC_DEFINE(TARGET_NACL, 1, [...])
2284 else
2285    MONO_NACL_ALIGN_MASK_OFF=0
2286    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2287 fi
2288 if test "x$enable_nacl_gc" = "xyes"; then
2289    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2290 fi
2291 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2292
2293 dnl **************
2294 dnl ***  LLVM  ***
2295 dnl **************
2296
2297 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2298 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2299
2300 if test "x$enable_llvm" = "xyes"; then
2301    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2302    if test "x$LLVM_CONFIG" = "xno"; then
2303           AC_MSG_ERROR([llvm-config not found.])
2304    fi
2305
2306    llvm_codegen="x86codegen"
2307    case "$target" in
2308    arm*)
2309                 llvm_codegen="armcodegen"
2310                 ;;
2311    esac
2312
2313
2314    # The output of --cflags seems to include optimizations flags too
2315    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2316    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2317    # from LLVM classes.
2318    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2319    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2320    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2321    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2322
2323    # Should be something like '2.6' or '2.7svn'
2324    llvm_version=`$LLVM_CONFIG --version`
2325    major_version=`echo $llvm_version | cut -c 1`
2326    minor_version=`echo $llvm_version | cut -c 3`
2327    AC_MSG_CHECKING(LLVM version)
2328    AC_MSG_RESULT($llvm_version)
2329    if echo $llvm_version | grep -q 'mono'; then
2330           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2331           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2332    else
2333           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.])
2334    fi
2335
2336    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2337    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2338    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2339
2340    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2341    # llvm's config.h
2342    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2343
2344    AC_SUBST(LLVM_CFLAGS)
2345    AC_SUBST(LLVM_CXXFLAGS)
2346    AC_SUBST(LLVM_LIBS)
2347    AC_SUBST(LLVM_LDFLAGS)
2348    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2349 fi
2350
2351 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2352 if test "x$enable_loadedllvm" = "xyes"; then
2353    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2354 fi
2355 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2356
2357 TARGET="unknown"
2358 ACCESS_UNALIGNED="yes"
2359
2360 JIT_SUPPORTED=no
2361 INTERP_SUPPORTED=no
2362 LIBC="libc.so.6"
2363 INTL="libc.so.6"
2364 SQLITE="libsqlite.so.0"
2365 SQLITE3="libsqlite3.so.0"
2366 X11="libX11.so"
2367
2368 sizeof_register="SIZEOF_VOID_P"
2369
2370 jit_wanted=true
2371 interp_wanted=false
2372 sgen_supported=false
2373 case "$host" in
2374 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2375 #               TARGET=MIPS;
2376 #               ACCESS_UNALIGNED="no"
2377 #               ;;
2378         mips*)
2379                 TARGET=MIPS;
2380                 arch_target=mips;
2381                 sgen_supported=true
2382                 ACCESS_UNALIGNED="no"
2383                 JIT_SUPPORTED=yes
2384
2385                 AC_MSG_CHECKING(for mips n32)
2386                 AC_TRY_COMPILE([],[
2387                 #if _MIPS_SIM != _ABIN32
2388                 #error Not mips n32
2389                 #endif
2390                 return 0;
2391                 ],[
2392                 AC_MSG_RESULT(yes)
2393                 sizeof_register=8
2394                 ],[
2395                 AC_MSG_RESULT(no)
2396                 ])
2397                 ;;
2398         i*86-*-*)
2399                 TARGET=X86;
2400                 arch_target=x86;
2401                 JIT_SUPPORTED=yes
2402                 case $host_os in
2403                   solaris*)
2404                         LIBC="libc.so"
2405                         INTL="libintl.so"
2406                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2407                                 TARGET=AMD64
2408                                 arch_target=amd64
2409                         fi
2410
2411                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2412                         # int astruct __attribute__ ((visibility ("hidden")));
2413                         # void foo ()
2414                         # {
2415                         #       void *p = &astruct;
2416                         # }
2417                         # gcc -fPIC --shared -o libfoo.so foo.c
2418                         # yields:
2419                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2420                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2421                         have_visibility_hidden=no
2422                         sgen_supported=true
2423                         ;;
2424                   cygwin*)
2425                         sgen_supported=true
2426                         have_visibility_hidden=no
2427                         ;;
2428                   haiku*)
2429                         LIBC=libroot.so
2430                         ;;
2431                   linux*)
2432                         sgen_supported=true
2433                         AOT_SUPPORTED="yes"
2434                         ;;
2435                   darwin*)
2436                         sgen_supported=true
2437                         AOT_SUPPORTED="yes"
2438                         ;;
2439                   darwin*|openbsd*|freebsd*)
2440                         sgen_supported=true
2441                         ;;
2442                 esac
2443                 ;;
2444         x86_64-*-* | amd64-*-*)
2445                 TARGET=AMD64;
2446                 arch_target=amd64;
2447                 JIT_SUPPORTED=yes
2448                 case $host_os in
2449                   linux*)
2450                         sgen_supported=true
2451                         AOT_SUPPORTED="yes"
2452                         ;;
2453                   darwin*|openbsd*|freebsd*)
2454                         sgen_supported=true
2455                         ;;
2456                 esac
2457                 case "$host" in
2458                         x86_64-*-nacl*)
2459                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2460                                 sizeof_register=8
2461                                 ;;
2462                 esac
2463                 ;;
2464         ia64-*-*)
2465                 TARGET=IA64
2466                 arch_target=ia64
2467                 ACCESS_UNALIGNED="no"
2468                 JIT_SUPPORTED=yes
2469                 LIBC="libc.so.6.1"
2470                 INTL="libc.so.6.1"
2471                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2472                 libmono_ldflags="-lunwind"
2473                 ;;
2474         sparc*-*-*)
2475                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2476                    TARGET=SPARC64
2477                 else
2478                         TARGET=SPARC
2479                 fi
2480                 arch_target=sparc;
2481                 JIT_SUPPORTED=yes
2482                 ACCESS_UNALIGNED="no"
2483                 case $host_os in
2484                   linux*) ;;
2485                   *)
2486                         LIBC="libc.so"
2487                         INTL="libintl.so"
2488                 esac
2489                 if test x"$GCC" = xyes; then
2490                         # We don't support v8 cpus
2491                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2492                 fi
2493                 if test x"$AR" = xfalse; then
2494                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2495                 fi
2496                 sgen_supported=true
2497                 ;;
2498        alpha*-*-linux* | alpha*-*-osf*)
2499                 TARGET=ALPHA;
2500                 ACCESS_UNALIGNED="no"
2501                 JIT_SUPPORTED=yes
2502                 arch_target=alpha;
2503                 CFLAGS="$CFLAGS -mieee -O0"
2504                 case $host_os in
2505                   linux*)
2506                         LIBC="libc.so.6.1"
2507                         INTL="libc.so.6.1"
2508                 esac
2509                ;;
2510         *-mingw*|*-*-cygwin*)
2511                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2512                 have_visibility_hidden=no
2513                 INTL="intl"
2514                 ;;
2515         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2516                 TARGET=HPPA;
2517                 arch_target=hppa;
2518                 LIBC="libc.sl"
2519                 ACCESS_UNALIGNED="no"
2520                 INTERP_SUPPORTED=yes
2521                 interp_wanted=true
2522                 ;;
2523         hppa*linux*)
2524                 TARGET=HPPA;
2525                 arch_target=hppa;
2526                 ACCESS_UNALIGNED="no"
2527                 JIT_SUPPORTED=yes
2528                 ;;
2529         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2530         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2531                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2532                         TARGET=POWERPC64;
2533                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2534                         CFLAGS="$CFLAGS -mminimal-toc"
2535                 else
2536                         TARGET=POWERPC;
2537                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2538                 fi
2539                 arch_target=ppc;
2540                 JIT_SUPPORTED=yes
2541                 case $host_os in
2542                   linux*|darwin*)
2543                         sgen_supported=true
2544                         ;;
2545                 esac
2546                 ;;
2547         arm*-darwin*)
2548                 TARGET=ARM;
2549                 arch_target=arm;
2550                 ACCESS_UNALIGNED="no"
2551                 JIT_SUPPORTED=yes
2552                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2553                 # libgc's gc_locks.h depends on this
2554             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2555                 sgen_supported=true
2556                 ;;
2557         arm*-linux*)
2558                 TARGET=ARM;
2559                 arch_target=arm;
2560                 ACCESS_UNALIGNED="no"
2561                 JIT_SUPPORTED=yes
2562                 sgen_supported=true
2563                 AOT_SUPPORTED="yes"
2564                 ;;
2565         s390-*-linux*)
2566                 TARGET=S390;
2567                 arch_target=s390;
2568                 ACCESS_UNALIGNED="yes"
2569                 JIT_SUPPORTED=yes
2570                 sgen_supported=true
2571                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2572                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2573                 ;;
2574         s390x-*-linux*)
2575                 TARGET=S390x;
2576                 arch_target=s390x;
2577                 ACCESS_UNALIGNED="yes"
2578                 JIT_SUPPORTED=yes
2579                 sgen_supported=true
2580                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2581                 ;;
2582 esac
2583
2584 HOST=$TARGET
2585
2586 if test "x$host" != "x$target"; then
2587    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2588    enable_mcs_build=no
2589    case "$target" in
2590    arm*-darwin*)
2591                 TARGET=ARM;
2592                 arch_target=arm;
2593                 ACCESS_UNALIGNED="no"
2594                 JIT_SUPPORTED=yes
2595                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2596                 jit_wanted=true
2597                 # Can't use tls, since it depends on the runtime detection of tls offsets
2598                 # in mono-compiler.h
2599                 with_tls=pthread
2600                 ;;
2601    powerpc64-ps3-linux-gnu)
2602                 TARGET=POWERPC64
2603                 arch_target=powerpc64
2604                 AC_DEFINE(TARGET_PS3, 1, [...])
2605                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2606                 # uses this define
2607                 AC_DEFINE(__mono_ppc64__, 1, [...])
2608                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2609                 sizeof_register=8
2610                 target_byte_order=G_BIG_ENDIAN
2611                 ;;
2612
2613    powerpc64-xbox360-linux-gnu)
2614                 TARGET=POWERPC64
2615                 arch_target=powerpc64
2616                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2617                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2618                 # uses this define
2619                 sizeof_register=8
2620                 target_byte_order=G_BIG_ENDIAN
2621                 ;;
2622    x86_64-*-nacl)
2623                 TARGET=AMD64
2624                 arch_target=amd64
2625                 AC_DEFINE(TARGET_AMD64, 1, [...])
2626                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2627                 sizeof_register=8
2628                 ;;
2629    *-*-nacl)
2630                 TARGET=X86
2631                 arch_target=x86
2632                 AC_DEFINE(TARGET_X86, 1, [...])
2633                 sizeof_register=4
2634                 ;;
2635    arm*-unknown-linux-*)
2636                 TARGET=ARM;
2637                 arch_target=arm;
2638                 AC_DEFINE(TARGET_ARM, 1, [...])
2639                 ACCESS_UNALIGNED="no"
2640                 JIT_SUPPORTED=yes
2641                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2642                 jit_wanted=true
2643                 # Can't use tls, since it depends on the runtime detection of tls offsets
2644                 # in mono-compiler.h
2645                 with_tls=pthread
2646                 target_mach=no
2647                 case "$target" in
2648                 armv7l-unknown-linux-gnueabi*)
2649                         # TEGRA
2650                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2651                         ;;
2652                 armv5-*-linux-androideabi*)
2653                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2654                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2655                         ;;
2656                 esac
2657                 ;;
2658         *)
2659                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2660         esac
2661 fi
2662
2663 # FIXME: Define the others as well
2664 case "$TARGET" in
2665 X86)
2666         AC_DEFINE(TARGET_X86, 1, [...])
2667         ;;
2668 AMD64)
2669         AC_DEFINE(TARGET_AMD64, 1, [...])
2670         ;;
2671 ARM)
2672         AC_DEFINE(TARGET_ARM, 1, [...])
2673         ;;
2674 POWERPC)
2675         AC_DEFINE(TARGET_POWERPC, 1, [...])
2676         ;;
2677 POWERPC64)
2678         AC_DEFINE(TARGET_POWERPC, 1, [...])
2679         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2680         ;;
2681 S390x)
2682         AC_DEFINE(TARGET_S390X, 1, [...])
2683         ;;
2684 MIPS)
2685         AC_DEFINE(TARGET_MIPS, 1, [...])
2686         ;;
2687 esac
2688
2689 if test "x$target_mach" = "xyes"; then
2690         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2691         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2692         #error fail this for ios
2693         #endif
2694         return 0;
2695         ], [
2696                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2697                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2698                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2699         ], [
2700                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2701                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2702                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2703         ])
2704
2705    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2706 fi
2707
2708 if test "x$sizeof_register" = "x4"; then
2709    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2710 elif test "x$sizeof_register" = "x8"; then
2711    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2712 else
2713    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2714 fi
2715
2716 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2717    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2718 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2719    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2720 else
2721    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2722 fi
2723
2724 if test "x$have_visibility_hidden" = "xyes"; then
2725    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2726 fi
2727
2728 if test "x$have_deprecated" = "xyes"; then
2729    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2730 fi
2731
2732 dnl
2733 dnl Simple Generational checks (sgen)
2734 dnl
2735 if $sgen_supported; then
2736    build_sgen_default=yes
2737 else
2738    build_sgen_default=no
2739 fi
2740 SGEN_DEFINES=
2741 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2742 if test x$buildsgen = xyes; then
2743    if $sgen_supported; then
2744        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2745        gc_msg="sgen and $gc_msg"
2746    else
2747        buildsgen=no
2748        AC_MSG_WARN("Sgen is not supported on this platform")
2749    fi
2750 fi
2751 AC_SUBST(SGEN_DEFINES)
2752 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2753
2754 USEJIT=false
2755 if test x$JIT_SUPPORTED = xyes; then
2756    if $jit_wanted; then
2757       USEJIT=true
2758       jit_status="Building and using the JIT"
2759    else
2760       if $interp_wanted; then
2761          jit_status="Building the JIT, defaulting to the interpreter"
2762       else
2763          AC_ERROR(No JIT or interpreter support available or selected.)
2764       fi
2765    fi
2766 else
2767    if test x$interp_wanted = xtrue; then
2768       jit_status="interpreter"
2769    else
2770       AC_ERROR(No JIT or interpreter support available or selected.)
2771    fi
2772 fi
2773
2774 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2775
2776 libsuffix=".so"
2777
2778 case "$host" in
2779      *-*-darwin*)
2780         libsuffix=".dylib"
2781         LIBC="libc.dylib"
2782         INTL="libintl.dylib"
2783         SQLITE="libsqlite.0.dylib"
2784         SQLITE3="libsqlite3.0.dylib"
2785         X11="libX11.dylib"
2786         ;;
2787      *-*-*netbsd*)
2788         LIBC="libc.so.12"
2789         INTL="libintl.so.0"
2790         ;;
2791     *-*-*freebsd*)
2792         LIBC="libc.so"
2793         INTL="libintl.so"
2794         SQLITE="libsqlite.so"
2795         SQLITE3="libsqlite3.so"
2796         ;;
2797     *-*-*openbsd*)
2798         LIBC="libc.so"
2799         INTL="libintl.so"
2800         SQLITE="libsqlite.so"
2801         SQLITE3="libsqlite3.so"
2802         ;;
2803     *-*-*linux*)
2804         AC_PATH_X
2805         AC_MSG_CHECKING(for the soname of libX11.so)
2806         for i in $x_libraries /usr/lib /usr/lib64; do
2807                 for r in 4 5 6; do
2808                         if test -f $i/libX11.so.$r; then
2809                                 X11=libX11.so.$r
2810                                 AC_MSG_RESULT($X11)
2811                         fi
2812                 done
2813         done
2814
2815         if test "x$X11" = "xlibX11.so"; then
2816                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2817                 X11=libX11.so.6
2818         fi
2819         ;;
2820 esac
2821
2822
2823 AC_SUBST(libsuffix)
2824
2825 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2826         if test "x$with_tls" = "x__thread"; then
2827                 #
2828                 # On some linux distributions, TLS works in executables, but linking
2829                 # against a shared library containing TLS fails with:
2830                 # undefined reference to `__tls_get_addr'
2831                 #
2832                 rm -f conftest.c conftest.so conftest
2833                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2834                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2835                 $CC -o conftest conftest.so > /dev/null 2>&1
2836                 if test ! -f conftest; then
2837                    AC_MSG_WARN([Disabling usage of __thread.]);
2838                    with_tls=pthread
2839                 fi
2840                 rm -f conftest.c conftest.so conftest
2841         fi
2842 fi
2843
2844 mono_debugger_supported=no
2845 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2846 if test "x$try_mono_debugger" = "xyes"; then
2847         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2848                 if test x$use_included_gc = xyes; then
2849                         case "$host" in
2850                         *-*-*linux*)
2851                                 mono_debugger_supported=yes
2852                                 ;;
2853                         *86-apple-darwin*)
2854                                 mono_debugger_supported=yes
2855                                 ;;
2856                         esac
2857                 fi
2858         fi
2859 fi
2860
2861 # disable the debugger entirely when building with moonlight
2862 if test "x$with_moonlight" != "xno"; then
2863         mono_debugger_supported=no
2864 fi
2865
2866 # mdb support for sgen is broken, disable it until further notice.
2867 mono_debugger_supported=no
2868
2869 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2870 if test "x$mono_debugger_supported" = "xyes"; then
2871         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2872         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2873 fi
2874 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2875 AC_MSG_RESULT($mono_debugger_supported)
2876
2877 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2878 if test "x$icall_symbol_map" = "xyes"; then
2879    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2880 fi
2881
2882 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2883 if test "x$icall_export" = "xyes"; then
2884    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2885 fi
2886
2887 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2888 if test "x$icall_tables" = "xno"; then
2889    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2890 fi
2891
2892 if test "x$mono_cv_clang" = "xyes"; then
2893    # FIXME: This causes many compilation errors
2894    with_tls=pthread
2895 fi
2896
2897 if test "x$with_tls" = "x__thread"; then
2898         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2899         # Pass the information to libgc
2900         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2901         AC_MSG_CHECKING(if the tls_model attribute is supported)
2902         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2903                 ], [
2904                         AC_MSG_RESULT(yes)
2905                         # CLANG doesn't support this yet, and it prints warnings about it
2906                         if test "x$mono_cv_clang" = "xno"; then
2907                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2908                         fi
2909                 ], [
2910                         AC_MSG_RESULT(no)
2911         ])
2912 fi
2913
2914 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2915         dnl ******************************************
2916         dnl *** Check to see what FPU is available ***
2917         dnl ******************************************
2918         AC_MSG_CHECKING(which FPU to use)
2919
2920         fpu=NONE
2921         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2922            fpu=VFP_HARD
2923         fi
2924
2925         if test x$fpu = xNONE; then
2926            ORIG_CFLAGS=$CFLAGS
2927            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2928            AC_TRY_RUN([
2929                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2930                                 ], fpu=VFP, fpu=NONE)
2931            CFLAGS=$ORIG_CFLAGS
2932         fi
2933
2934         if test x$fpu = xNONE; then
2935                 AC_TRY_COMPILE([], [
2936                         __asm__ ("ldfd f0, [r0]");
2937                         ], fpu=FPA, fpu=NONE)
2938         fi
2939
2940         AC_MSG_RESULT($fpu)
2941         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2942         unset fpu
2943
2944         AC_MSG_CHECKING(for ARMV6)
2945         AC_TRY_RUN([
2946                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2947                         ], armv6=yes, armv6=no)
2948
2949         AC_MSG_RESULT($armv6)
2950         if test ${armv6} = yes; then
2951            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2952            # libgc's gc_locks.h depends on this
2953            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2954         fi
2955 fi
2956
2957 if test ${TARGET} = unknown; then
2958         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2959         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2960 fi
2961
2962 if test ${ACCESS_UNALIGNED} = no; then
2963         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2964 fi
2965
2966 case "x$gc" in
2967         xincluded)
2968                 # Pass CPPFLAGS to libgc configure
2969                 # We should use a separate variable for this to avoid passing useless and
2970                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2971                 # This should be executed late so we pick up the final version of CPPFLAGS
2972                 # The problem with this approach, is that during a reconfigure, the main
2973                 # configure scripts gets invoked with these arguments, so we use separate
2974                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2975                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2976                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2977                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2978                 fi
2979                 # Don't pass -finstrument-for-thread-suspension in,
2980                 # if these are instrumented it will be very bad news
2981                 # (infinite recursion, undefined parking behavior, etc)
2982                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2983                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2984                 AC_CONFIG_SUBDIRS(libgc)
2985                 ;;
2986 esac
2987
2988 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2989 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2990 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2991 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2992 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2993 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2994
2995 OPROFILE=no
2996 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2997         if test x$with_oprofile != xno; then
2998             oprofile_include=$with_oprofile/include
2999             if test ! -f $oprofile_include/opagent.h; then
3000                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3001                 fi
3002             OPROFILE=yes
3003                 OPROFILE_CFLAGS="-I$oprofile_include"
3004             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3005             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3006         fi
3007 ])
3008
3009 MALLOC_MEMPOOLS=no
3010 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3011         if test x$with_malloc_mempools = xyes; then
3012                 MALLOC_MEMPOOLS=yes
3013                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3014         fi
3015 ])
3016
3017
3018 DISABLE_MCS_DOCS=no
3019 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3020         if test x$with_mcs_docs != xyes; then
3021                 DISABLE_MCS_DOCS=yes
3022         fi
3023 ])
3024 if test x$with_profile4 != xyes; then
3025         DISABLE_MCS_DOCS=yes
3026 fi
3027
3028 MOONLIGHT_DEFINES=
3029 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3030         if test x$with_moonlight != xno; then
3031         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3032         fi
3033 ], [with_moonlight=no])
3034 AC_SUBST(MOONLIGHT_DEFINES)
3035
3036 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3037         if test "x$with_moon_gc" != "xsgen"; then
3038                 with_moon_gc=boehm
3039         fi
3040 ], [with_moon_gc=boehm])
3041
3042 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3043         if test x$with_lazy_gc_thread_creation != xno ; then
3044                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3045         fi
3046 ], [with_lazy_gc_thread_creation=no])
3047
3048 AC_CHECK_HEADER([malloc.h],
3049                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3050                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3051
3052 if test x"$GCC" = xyes; then
3053         # Implicit function declarations are not 64 bit safe
3054         # Do this late, since this causes lots of configure tests to fail
3055         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3056         # jay has a lot of implicit declarations
3057         JAY_CFLAGS="-Wno-implicit-function-declaration"
3058 fi
3059
3060 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3061 # instead of libmono-static.a
3062 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3063    LIBMONO_LA=libmini-static.la
3064 else
3065    LIBMONO_LA=libmono-$API_VER.la
3066 fi
3067 AC_SUBST(LIBMONO_LA)
3068
3069 dnl
3070 dnl Consistency settings
3071 dnl
3072 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3073    DISABLE_MCS_DOCS=yes
3074    with_profile2=no
3075    with_profile4=no
3076    with_profile4_5=no
3077    with_monodroid=no
3078    with_monotouch=no
3079 fi
3080
3081 if test x$DISABLE_MCS_DOCS = xyes; then
3082    docs_dir=""
3083 else
3084    docs_dir=docs
3085 fi
3086 AC_SUBST(docs_dir)
3087
3088 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3089 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3090
3091 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3092 AC_SUBST(OPROFILE_CFLAGS)
3093 AC_SUBST(OPROFILE_LIBS)
3094
3095 libmono_ldflags="$libmono_ldflags $LIBS"
3096
3097 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3098
3099 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3100 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3101 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3102
3103 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3104 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3105 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3106 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3107 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3108 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3109 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3110
3111 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3112 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3113 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3114 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3115 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3116 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3117 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3118 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3119 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3120 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3121 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3122 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3123 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3124 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3125 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3126 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3127 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3128 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3129 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3130 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3131
3132 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3133 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3134 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3135
3136 AC_SUBST(LIBC)
3137 AC_SUBST(INTL)
3138 AC_SUBST(SQLITE)
3139 AC_SUBST(SQLITE3)
3140 AC_SUBST(X11)
3141 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3142 AC_SUBST(arch_target)
3143 AC_SUBST(CFLAGS)
3144 AC_SUBST(CPPFLAGS)
3145 AC_SUBST(LDFLAGS)
3146
3147 mono_build_root=`pwd`
3148 AC_SUBST(mono_build_root)
3149
3150 if test x$USEJIT = xtrue; then
3151   mono_runtime=mono/mini/mono
3152 else
3153   mono_runtime=mono/interpreter/mint
3154 fi
3155 AC_SUBST(mono_runtime)
3156
3157 mono_cfg_root=$mono_build_root/runtime
3158 if test x$host_win32 = xyes; then
3159   if test "x$cross_compiling" = "xno"; then
3160     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3161   else
3162     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3163   fi
3164 else
3165   mono_cfg_dir=$mono_cfg_root/etc
3166 fi
3167 AC_SUBST(mono_cfg_dir)
3168
3169 AC_CONFIG_FILES([po/mcs/Makefile.in])
3170
3171 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3172 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3173
3174 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3175 [   depth=../../../..
3176     case $srcdir in
3177     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3178     .) reldir=$depth ;;
3179     *) reldir=$depth/$srcdir ;;
3180     esac
3181     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3182     cd runtime/etc/mono/1.0
3183     rm -f machine.config
3184     $LN_S $reldir/data/net_1_1/machine.config machine.config
3185     cd $depth
3186 ],[LN_S='$LN_S'])
3187
3188 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3189 [   depth=../../../..
3190     case $srcdir in
3191     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3192     .) reldir=$depth ;;
3193     *) reldir=$depth/$srcdir ;;
3194     esac
3195     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3196     cd runtime/etc/mono/2.0
3197     rm -f machine.config
3198     $LN_S $reldir/data/net_2_0/machine.config machine.config
3199     cd $depth
3200 ],[LN_S='$LN_S'])
3201
3202 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3203 [   depth=../../../..
3204     case $srcdir in
3205     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3206     .) reldir=$depth ;;
3207     *) reldir=$depth/$srcdir ;;
3208     esac
3209     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3210     cd runtime/etc/mono/2.0
3211     rm -f web.config
3212     $LN_S $reldir/data/net_2_0/web.config web.config
3213     cd $depth
3214 ],[LN_S='$LN_S'])
3215
3216 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3217 [   depth=../../..
3218     case $srcdir in
3219     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3220     .) reldir=$depth ;;
3221     *) reldir=$depth/$srcdir ;;
3222     esac
3223     $ac_aux_dir/install-sh -d runtime/etc/mono/
3224     cd runtime/etc/mono/
3225     rm -f browscap.ini
3226     $LN_S $reldir/data/browscap.ini browscap.ini
3227     cd $depth
3228 ],[LN_S='$LN_S'])
3229
3230 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3231 [   depth=../../../../..
3232     case $srcdir in
3233     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3234     .) reldir=$depth ;;
3235     *) reldir=$depth/$srcdir ;;
3236     esac
3237     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3238     cd runtime/etc/mono/2.0/Browsers
3239     rm -f Compat.browser
3240     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3241     cd $depth
3242 ],[LN_S='$LN_S'])
3243
3244 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3245 [   depth=../../../..
3246     case $srcdir in
3247     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3248     .) reldir=$depth ;;
3249     *) reldir=$depth/$srcdir ;;
3250     esac
3251     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3252     cd runtime/etc/mono/4.0
3253     rm -f machine.config
3254     $LN_S $reldir/data/net_4_0/machine.config machine.config
3255     cd $depth
3256 ],[LN_S='$LN_S'])
3257
3258 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3259 [   depth=../../../..
3260     case $srcdir in
3261     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3262     .) reldir=$depth ;;
3263     *) reldir=$depth/$srcdir ;;
3264     esac
3265     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3266     cd runtime/etc/mono/4.0
3267     rm -f web.config
3268     $LN_S $reldir/data/net_4_0/web.config web.config
3269     cd $depth
3270 ],[LN_S='$LN_S'])
3271
3272 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3273 [   depth=../../../..
3274     case $srcdir in
3275     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3276     .) reldir=$depth ;;
3277     *) reldir=$depth/$srcdir ;;
3278     esac
3279     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3280     cd runtime/etc/mono/4.5
3281     rm -f machine.config
3282     $LN_S $reldir/data/net_4_5/machine.config machine.config
3283     cd $depth
3284 ],[LN_S='$LN_S'])
3285
3286 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3287 [   depth=../../../..
3288     case $srcdir in
3289     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3290     .) reldir=$depth ;;
3291     *) reldir=$depth/$srcdir ;;
3292     esac
3293     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3294     cd runtime/etc/mono/4.5
3295     rm -f web.config
3296     $LN_S $reldir/data/net_4_5/web.config web.config
3297     cd $depth
3298 ],[LN_S='$LN_S'])
3299
3300 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])
3301
3302 AC_OUTPUT([
3303 Makefile
3304 mono-core.spec
3305 mono-uninstalled.pc
3306 scripts/mono-find-provides
3307 scripts/mono-find-requires
3308 mono/Makefile
3309 mono/utils/Makefile
3310 mono/metadata/Makefile
3311 mono/dis/Makefile
3312 mono/cil/Makefile
3313 mono/arch/Makefile
3314 mono/arch/x86/Makefile
3315 mono/arch/amd64/Makefile
3316 mono/arch/hppa/Makefile
3317 mono/arch/ppc/Makefile
3318 mono/arch/sparc/Makefile
3319 mono/arch/s390/Makefile
3320 mono/arch/s390x/Makefile
3321 mono/arch/arm/Makefile
3322 mono/arch/alpha/Makefile
3323 mono/arch/ia64/Makefile
3324 mono/arch/mips/Makefile
3325 mono/interpreter/Makefile
3326 mono/tests/Makefile
3327 mono/tests/tests-config
3328 mono/tests/assemblyresolve/Makefile
3329 mono/tests/cas/Makefile
3330 mono/tests/cas/assembly/Makefile
3331 mono/tests/cas/demand/Makefile
3332 mono/tests/cas/inheritance/Makefile
3333 mono/tests/cas/linkdemand/Makefile
3334 mono/tests/cas/threads/Makefile
3335 mono/benchmark/Makefile
3336 mono/monograph/Makefile
3337 mono/io-layer/Makefile
3338 mono/mini/Makefile
3339 mono/profiler/Makefile
3340 m4/Makefile
3341 ikvm-native/Makefile
3342 scripts/Makefile
3343 man/Makefile
3344 docs/Makefile
3345 data/Makefile
3346 data/net_2_0/Makefile
3347 data/net_4_0/Makefile
3348 data/net_4_5/Makefile
3349 data/net_2_0/Browsers/Makefile
3350 data/mint.pc
3351 data/mono-2.pc
3352 data/monosgen-2.pc
3353 data/mono.pc
3354 data/mono-cairo.pc
3355 data/mono-nunit.pc
3356 data/mono-options.pc
3357 data/mono-lineeditor.pc
3358 data/monodoc.pc
3359 data/mono.web.pc
3360 data/dotnet.pc
3361 data/dotnet35.pc
3362 data/wcf.pc
3363 data/cecil.pc
3364 data/system.web.extensions_1.0.pc
3365 data/system.web.extensions.design_1.0.pc
3366 data/system.web.mvc.pc
3367 data/system.web.mvc2.pc
3368 data/system.web.mvc3.pc
3369 data/aspnetwebstack.pc
3370 data/reactive.pc
3371 samples/Makefile
3372 support/Makefile
3373 data/config
3374 tools/Makefile
3375 tools/locale-builder/Makefile
3376 tools/sgen/Makefile
3377 runtime/Makefile
3378 msvc/Makefile
3379 po/Makefile
3380 ])
3381
3382 # Update all submodules recursively to ensure everything is checked out
3383 $srcdir/scripts/update_submodules
3384
3385 if test x$host_win32 = xyes; then
3386    # Get rid of 'cyg' prefixes in library names
3387    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3388    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3389    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3390    # executable doesn't work...
3391    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3392 fi
3393
3394 (
3395   case $prefix in
3396   NONE) prefix=$ac_default_prefix ;;
3397   esac
3398   case $exec_prefix in
3399   NONE) exec_prefix='${prefix}' ;;
3400   esac
3401
3402   #
3403   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3404   # any existing config.make.  This allows people to share the same source tree
3405   # with different build directories, one native and one cross
3406   #
3407   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3408
3409     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3410
3411     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3412     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3413     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3414     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3415     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3416     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3417     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3418     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3419
3420     case $INSTALL in
3421     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3422     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3423     esac
3424
3425     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3426
3427     export VERSION
3428     [myver=$($AWK 'BEGIN {
3429       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3430       if(length(vsplit [1]) > 4) {
3431         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3432       }
3433       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3434     }')]
3435
3436     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3437
3438     if test x$platform_darwin = xyes; then
3439       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3440     fi
3441
3442         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3443            enable_system_aot=yes
3444         fi
3445
3446         if test "x$enable_loadedllvm" = "xyes"; then
3447            # This seems to fail on the x86 buildbots
3448            enable_system_aot=no
3449         fi
3450
3451     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3452       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3453     fi
3454
3455     if test x$DISABLE_MCS_DOCS = xyes; then
3456       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3457     fi
3458
3459     if test x$with_moonlight != xno; then
3460       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3461     fi
3462
3463     if test x$has_extension_module != xno; then
3464         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3465     fi
3466
3467         default_profile=net_2_0
3468     if test -z "$INSTALL_4_0_TRUE"; then :
3469                 default_profile=net_4_0
3470     fi
3471     if test -z "$INSTALL_MONODROID_TRUE"; then :
3472                 default_profile=monodroid
3473     fi
3474     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3475                 default_profile=monotouch
3476     fi
3477     if test -z "$INSTALL_4_5_TRUE"; then :
3478                 default_profile=net_4_5
3479     fi
3480
3481     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3482
3483     if test "x$test_bcl_opt" = "xyes"; then
3484       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3485     fi
3486
3487   fi
3488
3489   # if we have an olive folder, override the default settings
3490   if test -d $olivedir; then
3491
3492     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3493
3494       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3495
3496       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3497       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3498       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3499       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3500       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3501       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3502     fi
3503   fi
3504
3505 )
3506
3507 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3508
3509 echo "
3510         mcs source:    $mcsdir
3511
3512    Engine:
3513         GC:            $gc_msg
3514         TLS:           $with_tls
3515         SIGALTSTACK:   $with_sigaltstack
3516         Engine:        $jit_status
3517         oprofile:      $OPROFILE
3518         BigArrays:     $enable_big_arrays
3519         DTrace:        $enable_dtrace
3520         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3521
3522    Libraries:
3523         .NET 2.0/3.5:  $with_profile2
3524         .NET 4.0:      $with_profile4
3525         .NET 4.5:      $with_profile4_5
3526         MonoDroid:     $with_monodroid
3527         MonoTouch:     $with_monotouch
3528         JNI support:   $jdk_headers_found
3529         libgdiplus:    $libgdiplus_msg
3530         zlib:          $zlib_msg
3531         $disabled
3532 "
3533 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3534    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3535 fi