configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.3],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AM_CONFIG_HEADER([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread -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="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176 # TLS is only partially implemented on -CURRENT (compiler support
 177 # but NOT library support)
 178 #
 179                 with_tls=pthread
 180                 use_sigposix=yes
 181                 ;;
 182         *-*-*openbsd*)
 183                 host_win32=no
 184                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 189                 LDFLAGS="$LDFLAGS -pthread"
 190                 need_link_unlink=yes
 191                 AC_DEFINE(PTHREAD_POINTER_ID)
 192                 libdl=
 193                 gc_default=boehm
 194                 libgc_threads=pthreads
 195                 with_sigaltstack=no
 196                 use_sigposix=yes
 197                 ;;
 198         *-*-linux-android*)
 199                 host_win32=no
 200                 platform_android=yes
 201                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 202                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 203
 204                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 205                 if test "x$disable_munmap" != "xyes"; then
 206                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 207                 fi
 208                 libmono_cflags="-D_REENTRANT"
 209                 libdl="-ldl"
 210                 libgc_threads=pthreads
 211                 use_sigposix=yes
 212
 213                 with_tls=pthread
 214                 with_sigaltstack=no
 215                 with_static_mono=no
 216
 217                 # Android doesn't support boehm, as it's missing <link.h>
 218                 support_boehm=no
 219                 with_gc=sgen
 220
 221                 # isinf(3) requires -lm; see isinf check below
 222                 LDFLAGS="$LDFLAGS -lm"
 223
 224                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 225                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 226                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 227                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 228                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 229
 230                 # to bypass the underscore linker check, can't work when cross-compiling
 231                 mono_cv_uscore=yes
 232                 mono_cv_clang=no
 233                 ;;
 234         *-*-linux*)
 235                 host_win32=no
 236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 237                 if test "x$disable_munmap" != "xyes"; then
 238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 239                 fi
 240                 libmono_cflags="-D_REENTRANT"
 241                 libdl="-ldl"
 242                 libgc_threads=pthreads
 243                 use_sigposix=yes
 244                 ;;
 245         *-*-nacl*)
 246                 host_win32=no
 247                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 248                 if test "x$disable_munmap" != "xyes"; then
 249                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 250                 fi
 251                 libmono_cflags="-D_REENTRANT"
 252                 libdl=
 253                 libgc_threads=pthreads
 254                 gc_default=boehm
 255                 use_sigposix=yes
 256                 ikvm_native=no
 257                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 258                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 259                 ;;
 260         *-*-hpux*)
 261                 host_win32=no
 262                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 263                 # +ESdbgasm only valid on bundled cc on RISC
 264                 # silently ignored for ia64
 265                 if test $GCC != "yes"; then
 266                         CFLAGS="$CFLAGS +ESdbgasm"
 267                         # Arrange for run-time dereferencing of null
 268                         # pointers to produce a SIGSEGV signal.
 269                         LDFLAGS="$LDFLAGS -z"
 270                 fi
 271                 CFLAGS="$CFLAGS +ESdbgasm"
 272                 LDFLAGS="$LDFLAGS -z"
 273                 libmono_cflags="-D_REENTRANT"
 274                 libmono_ldflags="-lpthread"
 275                 libgc_threads=pthreads
 276                 need_link_unlink=yes
 277                 use_sigposix=yes
 278                 ;;
 279         *-*-solaris*)
 280                 host_win32=no
 281                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 282                 need_link_unlink=yes
 283                 libmono_cflags="-D_REENTRANT"
 284                 libgc_threads=pthreads
 285                 # This doesn't seem to work on solaris/x86, but the configure test runs
 286                 with_tls=pthread
 287                 has_dtrace=yes
 288                 use_sigposix=yes
 289                 enable_solaris_tar_check=yes
 290                 ;;
 291         *-*-darwin*)
 292                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 293                 host_win32=no
 294                 platform_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 298                 libmono_cflags="-D_THREAD_SAFE"
 299                 need_link_unlink=yes
 300                 AC_DEFINE(PTHREAD_POINTER_ID)
 301                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 302                 no_version_script=yes
 303                 libdl=
 304                 libgc_threads=pthreads
 305                 has_dtrace=yes
 306                 if test "x$cross_compiling" = "xyes"; then
 307                         has_broken_apple_cpp=yes
 308                 fi
 309                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 310                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 311                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 312                 case "$host" in
 313                         dnl Snow Leopard and newer config.guess reports as this
 314                         i*86-*-darwin*)
 315                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 316                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 324                                 ;;
 325                         arm*-darwin*)
 326                                 has_dtrace=no
 327                                 ;;
 328                 esac
 329                 ;;
 330         *-*-haiku*)
 331                 host_win32=no
 332                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 333                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 334                 libdl=
 335                 LIBS="$LIBS -lnetwork"
 336                 need_link_unlink=yes
 337                 AC_DEFINE(PTHREAD_POINTER_ID)
 338                 libgc_threads=pthreads
 339                 use_sigposix=yes
 340                 ;;
 341         *)
 342                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 343                 host_win32=no
 344                 libdl="-ldl"
 345                 ;;
 346 esac
 347 AC_MSG_RESULT(ok)
 348
 349 if test x$need_link_unlink = xyes; then
 350    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 351 fi
 352
 353 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 354 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 355 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 356 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 357 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 358 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 359
 360 AC_CHECK_TOOL(CC, gcc, gcc)
 361 AC_PROG_CC
 362 AC_CHECK_TOOL(CXX, g++, g++)
 363 AC_PROG_CXX
 364 AM_PROG_AS
 365 AM_PROG_CC_STDC
 366 AC_PROG_INSTALL
 367 AC_PROG_AWK
 368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 369 : ${CCAS='$(CC)'}
 370 # Set ASFLAGS if not already set.
 371 : ${CCASFLAGS='$(CFLAGS)'}
 372 AC_SUBST(CCAS)
 373 AC_SUBST(CCASFLAGS)
 374
 375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 377 if test "x$CXX" = "xg++"; then
 378         if test "x$GXX" != "xyes"; then
 379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 380                 # are inside automake conditionals
 381                 AC_MSG_ERROR([You need to install g++])
 382         fi
 383 fi
 384
 385 dnl may require a specific autoconf version
 386 dnl AC_PROG_CC_FOR_BUILD
 387 dnl CC_FOR_BUILD not automatically detected
 388 CC_FOR_BUILD=$CC
 389 CFLAGS_FOR_BUILD=$CFLAGS
 390 BUILD_EXEEXT=
 391 if test "x$cross_compiling" = "xyes"; then
 392         CC_FOR_BUILD=cc
 393         CFLAGS_FOR_BUILD=
 394         BUILD_EXEEXT=""
 395 fi
 396 AC_SUBST(CC_FOR_BUILD)
 397 AC_SUBST(CFLAGS_FOR_BUILD)
 398 AC_SUBST(HOST_CC)
 399 AC_SUBST(BUILD_EXEEXT)
 400
 401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 403
 404 # Set STDC_HEADERS
 405 AC_HEADER_STDC
 406 AC_LIBTOOL_WIN32_DLL
 407 # This causes monodis to not link correctly
 408 #AC_DISABLE_FAST_INSTALL
 409 AM_PROG_LIBTOOL
 410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 411 DOLT
 412
 413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 414 AC_SUBST(export_ldflags)
 415
 416 # Test whenever ld supports -version-script
 417 AC_PROG_LD
 418 AC_PROG_LD_GNU
 419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 420    no_version_script=yes
 421 fi
 422
 423 AM_ICONV()
 424
 425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 426
 427 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
 428 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
 429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 430                   [], [], [#include <stddef.h>
 431                   #include <sys/socket.h>
 432                   #include <linux/socket.h>])
 433
 434 AC_CHECK_HEADERS(sys/user.h, [], [],
 435 [
 436 #ifdef HAVE_SYS_PARAM_H
 437 # include <sys/param.h>
 438 #endif
 439 ])
 440
 441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 442 if test x$have_zlib = xyes; then
 443    AC_TRY_COMPILE([#include <zlib.h>], [
 444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 445    return 0;
 446    #else
 447    #error No good zlib found
 448    #endif
 449    ],[
 450         AC_MSG_RESULT(Using system zlib)
 451         zlib_msg="system zlib"
 452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 453    ],[
 454         AC_MSG_RESULT(Using embedded zlib)
 455         have_zlib=no
 456         zlib_msg="bundled zlib"
 457    ])
 458 fi
 459
 460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 462
 463 # for mono/metadata/debug-symfile.c
 464 AC_CHECK_HEADERS(elf.h)
 465
 466 # for support
 467 AC_CHECK_HEADERS(poll.h)
 468 AC_CHECK_HEADERS(sys/poll.h)
 469 AC_CHECK_HEADERS(sys/wait.h)
 470 AC_CHECK_HEADERS(grp.h)
 471 AC_CHECK_HEADERS(syslog.h)
 472
 473 # for mono/dis
 474 AC_CHECK_HEADERS(wchar.h)
 475 AC_CHECK_HEADERS(ieeefp.h)
 476 AC_MSG_CHECKING(for isinf)
 477 AC_TRY_LINK([#include <math.h>], [
 478         int f = isinf (1);
 479 ], [
 480         AC_MSG_RESULT(yes)
 481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 482 ], [
 483         # We'll have to use signals
 484         AC_MSG_RESULT(no)
 485 ])
 486
 487 # for Linux statfs support
 488 AC_CHECK_HEADERS(linux/magic.h)
 489
 490 # not 64 bit clean in cross-compile
 491 AC_CHECK_SIZEOF(void *, 4)
 492
 493 WARN=''
 494 if test x"$GCC" = xyes; then
 495         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 496                 # The runtime code does not respect ANSI C strict aliasing rules
 497                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 498
 499                 ORIG_CFLAGS=$CFLAGS
 500                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 501                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 502                 AC_TRY_COMPILE([],[
 503                                 return 0;
 504                 ], [
 505                    AC_MSG_RESULT(yes)
 506                 ], [
 507                    AC_MSG_RESULT(no)
 508                    CFLAGS=$ORIG_CFLAGS
 509                 ])
 510
 511                 ORIG_CFLAGS=$CFLAGS
 512                 # Check for the normal version, since gcc ignores unknown -Wno options
 513                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 514                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 515                 AC_TRY_COMPILE([],[
 516                                 return 0;
 517                 ], [
 518                    AC_MSG_RESULT(yes)
 519                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 520                 ], [
 521                    AC_MSG_RESULT(no)
 522                    CFLAGS=$ORIG_CFLAGS
 523                 ])
 524 else
 525         # The Sun Forte compiler complains about inline functions that access static variables
 526         # so disable all inlining.
 527         case "$host" in
 528         *-*-solaris*)
 529                 CFLAGS="$CFLAGS -Dinline="
 530                 ;;
 531         esac
 532 fi
 533 CFLAGS="$CFLAGS -g $WARN"
 534 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 535
 536 AC_CACHE_CHECK([for clang],
 537         mono_cv_clang,[
 538         AC_TRY_COMPILE([], [
 539                 #ifdef __clang__
 540                 #else
 541                 #error "FAILED"
 542                 #endif
 543                 return 0;
 544         ],
 545         [mono_cv_clang=yes],
 546         [mono_cv_clang=no],
 547         [])
 548 ])
 549
 550 # Where's the 'mcs' source tree?
 551 if test -d $srcdir/mcs; then
 552   mcsdir=mcs
 553 else
 554   mcsdir=../mcs
 555 fi
 556
 557 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 558         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 559                 mcsdir=$with_mcs_path
 560         fi
 561 )
 562
 563 #
 564 # A sanity check to catch cases where the package was unpacked
 565 # with an ancient tar program (Solaris)
 566 #
 567 AC_ARG_ENABLE(solaris-tar-check,
 568 [  --disable-solaris-tar-check    disable solaris tar check],
 569    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 570
 571 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 572         AC_MSG_CHECKING(integrity of package)
 573         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 574         then
 575                 AC_MSG_RESULT(ok)
 576         else
 577                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 578                 AC_MSG_ERROR([$errorm])
 579         fi
 580 fi
 581
 582 if test "x$with_mcs_path" != "x"; then
 583 mcs_topdir=$(cd "$mcsdir" && pwd)
 584 mcs_topdir_from_srcdir=$mcs_topdir
 585 else
 586 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 587 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 588 fi
 589
 590 # Convert mcs_topdir* paths to Windows syntax.
 591 if test x$cross_compiling$host_win32 = xnoyes; then
 592   mcs_topdir=$(cygpath -m $mcs_topdir)
 593   case $mcs_topdir_from_srcdir in
 594     /cygdrive/*)
 595         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 596         ;;
 597   esac
 598 fi
 599
 600 AC_SUBST([mcs_topdir])
 601 AC_SUBST([mcs_topdir_from_srcdir])
 602
 603 # Where's the 'olive' source tree?
 604 if test -d $srcdir/olive; then
 605   olivedir=olive
 606 else
 607   olivedir=../olive
 608 fi
 609
 610 if test -d $srcdir/$olivedir; then
 611 olive_topdir='$(top_srcdir)/'$olivedir
 612 fi
 613
 614 # gettext: prepare the translation directories.
 615 # we do not configure the full gettext, as we consume it dynamically from C#
 616 AM_PO_SUBDIRS
 617
 618 if test "x$USE_NLS" = "xyes"; then
 619    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 620
 621    if test "x$HAVE_MSGFMT" = "xno"; then
 622           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 623    fi
 624 fi
 625
 626 AC_ARG_WITH([libgdiplus],
 627         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 628         [], [with_libgdiplus=installed])
 629
 630 case $with_libgdiplus in
 631 no|installed) libgdiplus_loc= ;;
 632 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 633 /*) libgdiplus_loc=$with_libgdiplus ;;
 634 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 635 esac
 636 AC_SUBST([libgdiplus_loc])
 637
 638 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 639
 640 pkg_config_path=
 641 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 642         if test x$with_crosspkgdir = "x"; then
 643                 if test -s $PKG_CONFIG_PATH; then
 644                         pkg_config_path=$PKG_CONFIG_PATH
 645                 fi
 646         else
 647                 pkg_config_path=$with_crosspkgdir
 648                 PKG_CONFIG_PATH=$pkg_config_path
 649                 export PKG_CONFIG_PATH
 650         fi
 651 )
 652
 653 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 654 AC_CONFIG_SUBDIRS(eglib)
 655
 656 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 657 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 658 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 659 BUILD_GLIB_LIBS="$GLIB_LIBS"
 660 GMODULE_CFLAGS="$GLIB_CFLAGS"
 661 GMODULE_LIBS="$GLIB_LIBS"
 662
 663 AC_SUBST(GLIB_CFLAGS)
 664 AC_SUBST(GLIB_LIBS)
 665 AC_SUBST(GMODULE_CFLAGS)
 666 AC_SUBST(GMODULE_LIBS)
 667 AC_SUBST(BUILD_GLIB_CFLAGS)
 668 AC_SUBST(BUILD_GLIB_LIBS)
 669
 670 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 671
 672 # Enable support for fast thread-local storage
 673 # Some systems have broken support, so we allow to disable it.
 674 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 675
 676 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 677 # This does not work on some platforms (bug #55253)
 678 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 679
 680 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 681 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 682 # Same as --with-shared_mono=no
 683 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 684
 685 if test "x$enable_static" = "xno"; then
 686    with_static_mono=no
 687 fi
 688
 689 if test "x$enable_shared" = "xno"; then
 690    with_shared_mono=no
 691 fi
 692
 693 if test "x$enable_libraries" = "xno"; then
 694    with_shared_mono=no
 695 fi
 696
 697 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 698
 699 case $host in
 700 *nacl* ) with_shared_mono=yes;;
 701 esac
 702
 703 if test "x$host_win32" = "xyes"; then
 704    # Boehm GC requires the runtime to be in its own dll
 705    with_static_mono=no
 706 fi
 707
 708 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 709 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 710 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 711
 712 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 713 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 714         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 715         ORIG_CFLAGS=$CFLAGS
 716         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 717         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 718         AC_TRY_COMPILE([], [
 719                 return 0;
 720         ], [
 721            AC_MSG_RESULT(yes)
 722            # Pass it to libgc as well
 723            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 724         ], [
 725            AC_MSG_RESULT(no)
 726            CFLAGS=$ORIG_CFLAGS
 727         ])
 728 fi
 729
 730 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 731
 732 if test x$enable_small_config = xyes; then
 733         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 734         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 735 fi
 736
 737 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 738
 739 DISABLED_FEATURES=none
 740
 741 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 742      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
 743      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters,
 744          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 745 [
 746         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 747                 eval "mono_feature_disable_$feature='yes'"
 748         done
 749         DISABLED_FEATURES=$enable_minimal
 750         disabled="Disabled:      $enable_minimal"
 751 ],[])
 752
 753 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 754
 755 if test "x$mono_feature_disable_aot" = "xyes"; then
 756         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 757         AC_MSG_NOTICE([Disabled AOT compiler])
 758 fi
 759
 760 if test "x$mono_feature_disable_profiler" = "xyes"; then
 761         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 762         AC_MSG_NOTICE([Disabled support for the profiler])
 763 fi
 764 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 765
 766 if test "x$mono_feature_disable_decimal" = "xyes"; then
 767         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 768         AC_MSG_NOTICE([Disabled support for decimal])
 769 fi
 770
 771 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 772         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 773         AC_MSG_NOTICE([Disabled support for P/Invoke])
 774 fi
 775
 776 if test "x$mono_feature_disable_debug" = "xyes"; then
 777         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 778         AC_MSG_NOTICE([Disabled support for runtime debugging])
 779 fi
 780
 781 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 782         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 783         mono_feature_disable_reflection_emit_save=yes
 784         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 785 fi
 786
 787 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 788         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 789         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 790 fi
 791
 792 if test "x$mono_feature_disable_large_code" = "xyes"; then
 793         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 794         AC_MSG_NOTICE([Disabled support for large assemblies])
 795 fi
 796
 797 if test "x$mono_feature_disable_logging" = "xyes"; then
 798         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 799         AC_MSG_NOTICE([Disabled support for logging])
 800 fi
 801
 802 if test "x$mono_feature_disable_com" = "xyes"; then
 803         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 804         AC_MSG_NOTICE([Disabled COM support])
 805 fi
 806
 807 if test "x$mono_feature_disable_ssa" = "xyes"; then
 808         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 809         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 810 fi
 811
 812 if test "x$mono_feature_disable_generics" = "xyes"; then
 813         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 814         AC_MSG_NOTICE([Disabled Generics Support])
 815 fi
 816
 817 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 818         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 819         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 820 fi
 821
 822 if test "x$mono_feature_disable_portability" = "xyes"; then
 823         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 824         AC_MSG_NOTICE([Disabled IO Portability layer])
 825 fi
 826
 827 if test "x$mono_feature_disable_attach" = "xyes"; then
 828         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 829         AC_MSG_NOTICE([Disabled agent attach])
 830 fi
 831
 832 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 833         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 834         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 835 fi
 836
 837 if test "x$mono_feature_disable_verifier" = "xyes"; then
 838         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 839         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 840 fi
 841
 842 if test "x$mono_feature_disable_jit" = "xyes"; then
 843         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 844         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 845 fi
 846
 847 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 848
 849 if test "x$mono_feature_disable_simd" = "xyes"; then
 850         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 851         AC_MSG_NOTICE([Disabled SIMD support])
 852 fi
 853
 854 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 855         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 856         AC_MSG_NOTICE([Disabled Soft Debugger.])
 857 fi
 858
 859 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 860         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 861         AC_MSG_NOTICE([Disabled Performance Counters.])
 862 fi
 863 if test "x$mono_feature_disable_normalization" = "xyes"; then
 864         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 865         AC_MSG_NOTICE([Disabled String normalization support.])
 866 fi
 867
 868 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 869         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 870         AC_MSG_NOTICE([Disabled Assembly remapping.])
 871 fi
 872
 873 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 874         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 875         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 876 fi
 877
 878 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 879         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 880         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 881 fi
 882
 883 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 884         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 885         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 886 fi
 887
 888 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 889         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 890         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 891 fi
 892
 893 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 894         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 895         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 896 fi
 897
 898 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 899         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 900         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 901 fi
 902
 903 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 904 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 905
 906 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$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 SOL_IP     ***
1236         dnl *****************************
1237         AC_MSG_CHECKING(for SOL_IP)
1238         AC_TRY_COMPILE([#include <netdb.h>], [
1239                 int level = SOL_IP;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1244         ], [
1245                 # We'll have to use getprotobyname
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249         dnl *****************************
1250         dnl *** Checks for SOL_IPV6     ***
1251         dnl *****************************
1252         AC_MSG_CHECKING(for SOL_IPV6)
1253         AC_TRY_COMPILE([#include <netdb.h>], [
1254                 int level = SOL_IPV6;
1255         ], [
1256                 # Yes, we have it...
1257                 AC_MSG_RESULT(yes)
1258                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1259         ], [
1260                 # We'll have to use getprotobyname
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl *****************************
1265         dnl *** Checks for SOL_TCP    ***
1266         dnl *****************************
1267         AC_MSG_CHECKING(for SOL_TCP)
1268         AC_TRY_COMPILE([#include <netdb.h>], [
1269                 int level = SOL_TCP;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1274         ], [
1275                 # We'll have to use getprotobyname
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl *****************************
1280         dnl *** Checks for IP_PKTINFO ***
1281         dnl *****************************
1282         AC_MSG_CHECKING(for IP_PKTINFO)
1283         AC_TRY_COMPILE([#include <netdb.h>], [
1284                 int level = IP_PKTINFO;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1289         ], [
1290                 AC_MSG_RESULT(no)
1291         ])
1292
1293         dnl *****************************
1294         dnl *** Checks for IPV6_PKTINFO ***
1295         dnl *****************************
1296         AC_MSG_CHECKING(for IPV6_PKTINFO)
1297         AC_TRY_COMPILE([#include <netdb.h>], [
1298                 int level = IPV6_PKTINFO;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1303         ], [
1304                 AC_MSG_RESULT(no)
1305         ])
1306
1307         dnl **********************************
1308         dnl *** Checks for IP_DONTFRAGMENT ***
1309         dnl **********************************
1310         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1311         AC_TRY_COMPILE([#include <netdb.h>], [
1312                 int level = IP_DONTFRAGMENT;
1313         ], [
1314                 # Yes, we have it...
1315                 AC_MSG_RESULT(yes)
1316                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1317         ], [
1318                 AC_MSG_RESULT(no)
1319         ])
1320
1321         dnl **********************************
1322         dnl *** Checks for IP_MTU_DISCOVER ***
1323         dnl **********************************
1324         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1325         AC_TRY_COMPILE([#include <netdb.h>], [
1326                 int level = IP_MTU_DISCOVER;
1327         ], [
1328                 # Yes, we have it...
1329                 AC_MSG_RESULT(yes)
1330                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1331         ], [
1332                 AC_MSG_RESULT(no)
1333         ])
1334
1335         dnl *********************************
1336         dnl *** Check for struct ip_mreqn ***
1337         dnl *********************************
1338         AC_MSG_CHECKING(for struct ip_mreqn)
1339         AC_TRY_COMPILE([#include <netinet/in.h>], [
1340                 struct ip_mreqn mreq;
1341                 mreq.imr_address.s_addr = 0;
1342         ], [
1343                 # Yes, we have it...
1344                 AC_MSG_RESULT(yes)
1345                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1346         ], [
1347                 # We'll just have to try and use struct ip_mreq
1348                 AC_MSG_RESULT(no)
1349                 AC_MSG_CHECKING(for struct ip_mreq)
1350                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1351                         struct ip_mreq mreq;
1352                         mreq.imr_interface.s_addr = 0;
1353                 ], [
1354                         # Yes, we have it...
1355                         AC_MSG_RESULT(yes)
1356                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1357                 ], [
1358                         # No multicast support
1359                         AC_MSG_RESULT(no)
1360                 ])
1361         ])
1362
1363         dnl **********************************
1364         dnl *** Check for gethostbyname2_r ***
1365         dnl **********************************
1366         AC_MSG_CHECKING(for gethostbyname2_r)
1367                 AC_TRY_LINK([#include <netdb.h>], [
1368                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1369         ], [
1370                 # Yes, we have it...
1371                 AC_MSG_RESULT(yes)
1372                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1373         ], [
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377         dnl *****************************
1378         dnl *** Checks for libnsl     ***
1379         dnl *****************************
1380         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1381
1382         AC_CHECK_FUNCS(inet_pton inet_aton)
1383
1384         dnl ***********************************************
1385         dnl *** Checks for size of sockaddr_un.sun_path ***
1386         dnl ***********************************************
1387         # AC_CHECK_SIZEOF can't cope with struct members :-(
1388         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1389         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1390                 [AC_TRY_RUN([
1391                         #include <sys/types.h>
1392                         #include <stdio.h>
1393                         #include <sys/un.h>
1394
1395                         int main(void) {
1396                                 struct sockaddr_un sock_un;
1397                                 FILE *f=fopen("conftestval", "w");
1398                                 if(!f) exit(1);
1399                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1400                                 exit(0);
1401                         }
1402                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1403                    mono_cv_sizeof_sunpath=0,
1404                    mono_cv_sizeof_sunpath=0)])dnl
1405         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1406         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1407
1408         dnl *****************************
1409         dnl *** Checks for libxnet    ***
1410         dnl *****************************
1411         case "${host}" in
1412                 *solaris* )
1413                         AC_MSG_CHECKING(for Solaris XPG4 support)
1414                         if test -f /usr/lib/libxnet.so; then
1415                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1416                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1417                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1418                                 LIBS="$LIBS -lxnet"
1419                                 AC_MSG_RESULT(yes)
1420                         else
1421                                 AC_MSG_RESULT(no)
1422                         fi
1423
1424                         if test "$GCC" = "yes"; then
1425                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1426                         fi
1427                 ;;
1428         esac
1429
1430         dnl *****************************
1431         dnl *** Checks for libpthread ***
1432         dnl *****************************
1433 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1434 # and libpthread does not exist
1435 #
1436         case "${host}" in
1437                 *-*-*freebsd*)
1438                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1439                 ;;
1440                 *-*-*openbsd*)
1441                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1442                 ;;
1443                 *)
1444                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1445                 ;;
1446         esac
1447         AC_CHECK_HEADERS(pthread.h)
1448         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1449         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1450         AC_CHECK_FUNCS(pthread_kill)
1451         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1452         AC_TRY_COMPILE([ #include <pthread.h>], [
1453                 pthread_mutexattr_t attr;
1454                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1455         ], [
1456                 AC_MSG_RESULT(ok)
1457         ], [
1458                 AC_MSG_RESULT(no)
1459                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1460                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1461         ])
1462         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1463         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1464         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1465
1466         dnl ***********************************
1467         dnl *** Checks for signals
1468         dnl ***********************************
1469         AC_CHECK_HEADERS(signal.h)
1470         AC_CHECK_FUNCS(sigaction)
1471
1472         dnl ***********************************
1473         dnl *** Checks for working __thread ***
1474         dnl ***********************************
1475         AC_MSG_CHECKING(for working __thread)
1476         if test "x$with_tls" != "x__thread"; then
1477                 AC_MSG_RESULT(disabled)
1478         else
1479                 AC_TRY_RUN([
1480                         #include <pthread.h>
1481                         __thread int i;
1482                         static int res1, res2;
1483
1484                         void thread_main (void *arg)
1485                         {
1486                                 i = arg;
1487                                 sleep (1);
1488                                 if (arg == 1)
1489                                         res1 = (i == arg);
1490                                 else
1491                                         res2 = (i == arg);
1492                         }
1493
1494                         int main () {
1495                                 pthread_t t1, t2;
1496
1497                                 i = 5;
1498
1499                                 pthread_create (&t1, NULL, thread_main, 1);
1500                                 pthread_create (&t2, NULL, thread_main, 2);
1501
1502                                 pthread_join (t1, NULL);
1503                                 pthread_join (t2, NULL);
1504
1505                                 return !(res1 + res2 == 2);
1506                         }
1507                 ], [
1508                                 AC_MSG_RESULT(yes)
1509                 ], [
1510                                 AC_MSG_RESULT(no)
1511                                 with_tls=pthread
1512                 ])
1513         fi
1514
1515         dnl **************************************
1516         dnl *** Checks for working sigaltstack ***
1517         dnl **************************************
1518         AC_MSG_CHECKING(for working sigaltstack)
1519         if test "x$with_sigaltstack" != "xyes"; then
1520                 AC_MSG_RESULT(disabled)
1521         else
1522                 AC_TRY_RUN([
1523                         #include <stdio.h>
1524                         #include <stdlib.h>
1525                         #include <unistd.h>
1526                         #include <signal.h>
1527                         #include <pthread.h>
1528                         #include <sys/wait.h>
1529                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1530                         #define SA_STACK SA_ONSTACK
1531                         #endif
1532                         static void
1533                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1534                         {
1535                                 exit (0);
1536                         }
1537
1538                         volatile char*__ptr = NULL;
1539                         static void *
1540                         loop (void *ignored)
1541                         {
1542                                 *__ptr = 0;
1543                                 return NULL;
1544                         }
1545
1546                         static void
1547                         child ()
1548                         {
1549                                 struct sigaction sa;
1550                         #ifdef __APPLE__
1551                                 stack_t sas;
1552                         #else
1553                                 struct sigaltstack sas;
1554                         #endif
1555                                 pthread_t id;
1556                                 pthread_attr_t attr;
1557
1558                                 sa.sa_sigaction = sigsegv_signal_handler;
1559                                 sigemptyset (&sa.sa_mask);
1560                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1561                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1562                                         perror ("sigaction");
1563                                         return;
1564                                 }
1565
1566                                 /* x86 darwin deliver segfaults using SIGBUS */
1567                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1568                                         perror ("sigaction");
1569                                         return;
1570                                 }
1571                                 sas.ss_sp = malloc (SIGSTKSZ);
1572                                 sas.ss_size = SIGSTKSZ;
1573                                 sas.ss_flags = 0;
1574                                 if (sigaltstack (&sas, NULL) == -1) {
1575                                         perror ("sigaltstack");
1576                                         return;
1577                                 }
1578
1579                                 pthread_attr_init (&attr);
1580                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1581                                         printf ("pthread_create\n");
1582                                         return;
1583                                 }
1584
1585                                 sleep (100);
1586                         }
1587
1588                         int
1589                         main ()
1590                         {
1591                                 pid_t son;
1592                                 int status;
1593                                 int i;
1594
1595                                 son = fork ();
1596                                 if (son == -1) {
1597                                         return 1;
1598                                 }
1599
1600                                 if (son == 0) {
1601                                         child ();
1602                                         return 0;
1603                                 }
1604
1605                                 for (i = 0; i < 300; ++i) {
1606                                         waitpid (son, &status, WNOHANG);
1607                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1608                                                 return 0;
1609                                         usleep (10000);
1610                                 }
1611
1612                                 kill (son, SIGKILL);
1613                                 return 1;
1614                         }
1615
1616                 ], [
1617                                 AC_MSG_RESULT(yes)
1618                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1619                 ], [
1620                                 with_sigaltstack=no
1621                                 AC_MSG_RESULT(no)
1622                 ])
1623         fi
1624
1625         dnl ********************************
1626         dnl *** Checks for semaphore lib ***
1627         dnl ********************************
1628         # 'Real Time' functions on Solaris
1629         # posix4 on Solaris 2.6
1630         # pthread (first!) on Linux
1631         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1632
1633         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1634         AC_CHECK_FUNCS(shm_open)
1635
1636         dnl ********************************
1637         dnl *** Checks for timezone stuff **
1638         dnl ********************************
1639         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1640                 AC_TRY_COMPILE([
1641                         #include <time.h>
1642                         ], [
1643                         struct tm tm;
1644                         tm.tm_gmtoff = 1;
1645                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1646         if test $ac_cv_struct_tm_gmtoff = yes; then
1647                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1648         else
1649                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1650                         AC_TRY_COMPILE([
1651                                 #include <time.h>
1652                         ], [
1653                                 timezone = 1;
1654                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1655                 if test $ac_cv_var_timezone = yes; then
1656                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1657                 else
1658                         AC_ERROR(unable to find a way to determine timezone)
1659                 fi
1660         fi
1661
1662         dnl *********************************
1663         dnl *** Checks for math functions ***
1664         dnl *********************************
1665         AC_SEARCH_LIBS(sqrtf, m)
1666         if test "x$has_broken_apple_cpp" != "xyes"; then
1667                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1668                         AC_TRY_LINK([#include <math.h>],
1669                         [ finite(0.0); ],
1670                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1671                         AC_MSG_RESULT(no)))
1672         fi
1673         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1674                 AC_TRY_LINK([#include <math.h>],
1675                 [ isfinite(0.0); ],
1676                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1677                 AC_MSG_RESULT(no)))
1678
1679         dnl ****************************************************************
1680         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1681         dnl *** have it in the library (duh))                            ***
1682         dnl ****************************************************************
1683         AC_CHECK_FUNCS(poll)
1684
1685         dnl *************************
1686         dnl *** Check for signbit ***
1687         dnl *************************
1688         AC_MSG_CHECKING(for signbit)
1689         AC_TRY_LINK([#include <math.h>], [
1690                 int s = signbit(1.0);
1691         ], [
1692                 AC_MSG_RESULT(yes)
1693                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1694         ], [
1695                 AC_MSG_RESULT(no)
1696         ])
1697
1698         dnl **********************************
1699         dnl *** epoll                      ***
1700         dnl **********************************
1701         AC_CHECK_HEADERS(sys/epoll.h)
1702         haveepoll=no
1703         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1704         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1705                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1706         fi
1707
1708         havekqueue=no
1709         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1710                 AC_TRY_LINK([#include <sys/event.h>],
1711                 [ kqueue(); ],[havekqueue=yes],[]))
1712
1713         dnl **************************************
1714         dnl * Darwin has a race that prevents us from using reliably:
1715         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1716         dnl * Since kqueue is mostly used for scaling large web servers,
1717         dnl * and very few folks run Mono on large web servers on OSX, falling
1718         dnl * back
1719         dnl **************************************
1720         if test x$havekqueue = xyes; then
1721                 if x$platform_darwin = xno; then
1722                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1723                 fi
1724         fi
1725
1726         dnl ******************************
1727         dnl *** Checks for SIOCGIFCONF ***
1728         dnl ******************************
1729         AC_CHECK_HEADERS(sys/ioctl.h)
1730         AC_CHECK_HEADERS(net/if.h, [], [],
1731            [
1732            #ifdef HAVE_SYS_TYPES_H
1733            # include <sys/types.h>
1734            #endif
1735            #ifdef HAVE_SYS_SOCKET_H
1736            # include <sys/socket.h>
1737            #endif
1738            ])
1739         AC_MSG_CHECKING(for ifreq)
1740         AC_TRY_COMPILE([
1741                 #include <stdio.h>
1742                 #include <sys/ioctl.h>
1743                 #include <net/if.h>
1744                 ], [
1745                 struct ifconf ifc;
1746                 struct ifreq *ifr;
1747                 void *x;
1748                 ifc.ifc_len = 0;
1749                 ifc.ifc_buf = NULL;
1750                 x = (void *) &ifr->ifr_addr;
1751                 ],[
1752                         AC_MSG_RESULT(yes)
1753                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1754                 ], [
1755                         AC_MSG_RESULT(no)
1756                 ])
1757         dnl **********************************
1758         dnl ***     Checks for sin_len     ***
1759         dnl **********************************
1760         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1761         AC_TRY_COMPILE([
1762                 #include <netinet/in.h>
1763                 ], [
1764                 struct sockaddr_in saddr;
1765                 saddr.sin_len = sizeof (saddr);
1766                 ],[
1767                         AC_MSG_RESULT(yes)
1768                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1769                 ], [
1770                         AC_MSG_RESULT(no)
1771                 ])
1772         dnl **********************************
1773         dnl ***    Checks for sin6_len     ***
1774         dnl **********************************
1775         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1776         AC_TRY_COMPILE([
1777                 #include <netinet/in.h>
1778                 ], [
1779                 struct sockaddr_in6 saddr6;
1780                 saddr6.sin6_len = sizeof (saddr6);
1781                 ],[
1782                         AC_MSG_RESULT(yes)
1783                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1784                 ], [
1785                         AC_MSG_RESULT(no)
1786                 ])
1787         dnl **********************************
1788         dnl *** Check for getifaddrs       ***
1789         dnl **********************************
1790         AC_MSG_CHECKING(for getifaddrs)
1791                 AC_TRY_LINK([
1792                 #include <stdio.h>
1793                 #include <sys/types.h>
1794                 #include <sys/socket.h>
1795                 #include <ifaddrs.h>
1796         ], [
1797                 getifaddrs(NULL);
1798         ], [
1799                 # Yes, we have it...
1800                 AC_MSG_RESULT(yes)
1801                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1802         ], [
1803                 AC_MSG_RESULT(no)
1804         ])
1805         dnl **********************************
1806         dnl *** Check for if_nametoindex   ***
1807         dnl **********************************
1808         AC_MSG_CHECKING(for if_nametoindex)
1809                 AC_TRY_LINK([
1810                 #include <stdio.h>
1811                 #include <sys/types.h>
1812                 #include <sys/socket.h>
1813                 #include <net/if.h>
1814         ], [
1815                 if_nametoindex(NULL);
1816         ], [
1817                 # Yes, we have it...
1818                 AC_MSG_RESULT(yes)
1819                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1820         ], [
1821                 AC_MSG_RESULT(no)
1822         ])
1823
1824         dnl **********************************
1825         dnl *** Checks for MonoPosixHelper ***
1826         dnl **********************************
1827         AC_CHECK_HEADERS(checklist.h)
1828         AC_CHECK_HEADERS(pathconf.h)
1829         AC_CHECK_HEADERS(fstab.h)
1830         AC_CHECK_HEADERS(attr/xattr.h)
1831         AC_CHECK_HEADERS(sys/extattr.h)
1832         AC_CHECK_HEADERS(sys/sendfile.h)
1833         AC_CHECK_HEADERS(sys/statvfs.h)
1834         AC_CHECK_HEADERS(sys/statfs.h)
1835         AC_CHECK_HEADERS(sys/vfstab.h)
1836         AC_CHECK_HEADERS(sys/xattr.h)
1837         AC_CHECK_HEADERS(sys/mman.h)
1838         AC_CHECK_HEADERS(sys/param.h)
1839         AC_CHECK_HEADERS(sys/mount.h, [], [],
1840                 [
1841                 #ifdef HAVE_SYS_PARAM_H
1842                 # include <sys/param.h>
1843                 #endif
1844                 ])
1845         AC_CHECK_HEADERS(sys/mount.h)
1846         AC_CHECK_FUNCS(confstr)
1847         AC_CHECK_FUNCS(seekdir telldir)
1848         AC_CHECK_FUNCS(getdomainname)
1849         AC_CHECK_FUNCS(setdomainname)
1850         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1851         AC_CHECK_FUNCS(setgroups)
1852         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1853         AC_CHECK_FUNCS(getfsstat)
1854         AC_CHECK_FUNCS(lutimes futimes)
1855         AC_CHECK_FUNCS(mremap)
1856         AC_CHECK_FUNCS(remap_file_pages)
1857         AC_CHECK_FUNCS(posix_fadvise)
1858         AC_CHECK_FUNCS(posix_fallocate)
1859         AC_CHECK_FUNCS(posix_madvise)
1860         AC_CHECK_FUNCS(vsnprintf)
1861         AC_CHECK_FUNCS(sendfile)
1862         AC_CHECK_FUNCS(gethostid sethostid)
1863         AC_CHECK_FUNCS(sethostname)
1864         AC_CHECK_FUNCS(statfs)
1865         AC_CHECK_FUNCS(fstatfs)
1866         AC_CHECK_FUNCS(statvfs)
1867         AC_CHECK_FUNCS(fstatvfs)
1868         AC_CHECK_FUNCS(stime)
1869         AC_CHECK_FUNCS(strerror_r)
1870         AC_CHECK_FUNCS(ttyname_r)
1871         AC_CHECK_FUNCS(psignal)
1872         AC_CHECK_FUNCS(getlogin_r)
1873         AC_CHECK_FUNCS(lockf)
1874         AC_CHECK_FUNCS(swab)
1875         AC_CHECK_FUNCS(setusershell endusershell)
1876         AC_CHECK_SIZEOF(size_t)
1877         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1878                 [#include <sys/types.h>
1879                  #include <sys/stat.h>
1880                  #include <unistd.h>])
1881         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1882                 [#include <sys/types.h>
1883                  #include <sys/stat.h>
1884                  #include <unistd.h>])
1885         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1886                 [#include <sys/time.h>])
1887         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1888                 [#include <unistd.h>
1889                  #include <fcntl.h>])
1890         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1891                 [#include <sys/poll.h>])
1892         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1893                 [#include <sys/types.h>
1894                  #include <sys/stat.h>
1895                  #include <unistd.h>])
1896         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1897                 [#include <time.h>])
1898         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1899                 [#include <sys/time.h>
1900                  #include <sys/types.h>
1901                  #include <utime.h>])
1902         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1903                 [#include <sys/time.h>])
1904         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1905                 [#include <sys/types.h>
1906                  #include <utime.h>])
1907         AC_CHECK_MEMBERS(
1908                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1909                 [#include <sys/types.h>
1910                  #include <dirent.h>])
1911         AC_CHECK_MEMBERS(
1912                 [struct passwd.pw_gecos],,,
1913                 [#include <sys/types.h>
1914                  #include <pwd.h>])
1915         AC_CHECK_MEMBERS(
1916                 [struct statfs.f_flags],,,
1917                 [#include <sys/types.h>
1918                  #include <sys/vfs.h>])
1919
1920         dnl Favour xattr through glibc, but use libattr if we have to
1921         AC_CHECK_FUNC(lsetxattr, ,
1922                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
1923         )
1924         AC_SUBST(XATTR_LIB)
1925
1926         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
1927         AC_CHECK_MEMBERS(
1928                 [struct kinfo_proc.kp_proc],,,
1929                 [#include <sys/types.h>
1930                  #include <sys/param.h>
1931                  #include <sys/sysctl.h>
1932                  #include <sys/proc.h>
1933                  ])
1934
1935         dnl *********************************
1936         dnl *** Checks for Windows compilation ***
1937         dnl *********************************
1938         AC_CHECK_HEADERS(sys/time.h)
1939         AC_CHECK_HEADERS(sys/param.h)
1940         AC_CHECK_HEADERS(dirent.h)
1941
1942         dnl *********************************
1943         dnl *** Check for Console 2.0 I/O ***
1944         dnl *********************************
1945         AC_CHECK_HEADERS([curses.h])
1946         AC_CHECK_HEADERS([term.h], [], [],
1947         [#if HAVE_CURSES_H
1948          #include <curses.h>
1949          #endif
1950         ])
1951         AC_CHECK_HEADERS([termios.h])
1952
1953         dnl * This is provided in io-layer, but on windows it's only available
1954         dnl * on xp+
1955         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
1956 else
1957         dnl *********************************
1958         dnl *** Checks for Windows compilation ***
1959         dnl *********************************
1960         AC_CHECK_HEADERS(winternl.h)
1961
1962         jdk_headers_found=no
1963         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1964         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1965         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1966         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
1967         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
1968         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
1969         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
1970
1971         dnl *********************************
1972         dnl *** Check for struct ip_mreqn ***
1973         dnl *********************************
1974         AC_MSG_CHECKING(for struct ip_mreqn)
1975         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1976                 struct ip_mreqn mreq;
1977                 mreq.imr_address.s_addr = 0;
1978         ], [
1979                 # Yes, we have it...
1980                 AC_MSG_RESULT(yes)
1981                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1982         ], [
1983                 # We'll just have to try and use struct ip_mreq
1984                 AC_MSG_RESULT(no)
1985                 AC_MSG_CHECKING(for struct ip_mreq)
1986                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1987                         struct ip_mreq mreq;
1988                         mreq.imr_interface.s_addr = 0;
1989                 ], [
1990                         # Yes, we have it...
1991                         AC_MSG_RESULT(yes)
1992                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1993                 ], [
1994                         # No multicast support
1995                         AC_MSG_RESULT(no)
1996                 ])
1997         ])
1998         AC_CHECK_FUNCS(GetProcessId)
1999 fi
2000
2001 dnl socklen_t check
2002 AC_MSG_CHECKING(for socklen_t)
2003 AC_TRY_COMPILE([
2004 #include <sys/types.h>
2005 #include <sys/socket.h>
2006 ],[
2007   socklen_t foo;
2008 ],[
2009 ac_cv_c_socklen_t=yes
2010         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2011         AC_MSG_RESULT(yes)
2012 ],[
2013         AC_MSG_RESULT(no)
2014 ])
2015
2016 AC_MSG_CHECKING(for array element initializer support)
2017 AC_TRY_COMPILE([#include <sys/socket.h>], [
2018         const int array[] = {[1] = 2,};
2019 ], [
2020         # Yes, we have it...
2021         AC_MSG_RESULT(yes)
2022         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2023 ], [
2024         # We'll have to use signals
2025         AC_MSG_RESULT(no)
2026 ])
2027
2028 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2029         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2030         AC_TRY_LINK([#include <math.h>],
2031         [ static void *p = &trunc; ],
2032         [
2033                 AC_DEFINE(HAVE_TRUNC)
2034                 AC_MSG_RESULT(yes)
2035                 ac_cv_trunc=yes
2036         ],
2037         AC_MSG_RESULT(no)))
2038
2039 if test "x$ac_cv_truncl" != "xyes"; then
2040    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2041 fi
2042
2043 AC_CHECK_FUNCS(round)
2044 AC_CHECK_FUNCS(rint)
2045 AC_CHECK_FUNCS(execvp)
2046
2047 dnl ****************************
2048 dnl *** Look for /dev/random ***
2049 dnl ****************************
2050
2051 AC_MSG_CHECKING([if usage of random device is requested])
2052 AC_ARG_ENABLE(dev-random,
2053 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2054 try_dev_random=$enableval, try_dev_random=yes)
2055
2056 AC_MSG_RESULT($try_dev_random)
2057
2058 case "{$build}" in
2059     *-openbsd*)
2060     NAME_DEV_RANDOM="/dev/srandom"
2061     ;;
2062
2063 dnl Win32 does not have /dev/random, they have their own method...
2064
2065     *-mingw*|*-*-cygwin*)
2066     ac_cv_have_dev_random=no
2067     ;;
2068
2069 dnl Everywhere else, it's /dev/random
2070
2071     *)
2072     NAME_DEV_RANDOM="/dev/random"
2073     ;;
2074 esac
2075
2076 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2077
2078 dnl Now check if the device actually exists
2079
2080 if test "x$try_dev_random" = "xyes"; then
2081     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2082     [if test -r "$NAME_DEV_RANDOM" ; then
2083         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2084     if test "x$ac_cv_have_dev_random" = "xyes"; then
2085         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2086     fi
2087 else
2088     AC_MSG_CHECKING(for random device)
2089     ac_cv_have_dev_random=no
2090     AC_MSG_RESULT(has been disabled)
2091 fi
2092
2093 if test "x$host_win32" = "xyes"; then
2094     AC_DEFINE(HAVE_CRYPT_RNG)
2095 fi
2096
2097 if test "x$ac_cv_have_dev_random" = "xno" \
2098     && test "x$host_win32" = "xno"; then
2099     AC_MSG_WARN([[
2100 ***
2101 *** A system-provided entropy source was not found on this system.
2102 *** Because of this, the System.Security.Cryptography random number generator
2103 *** will throw a NotImplemented exception.
2104 ***
2105 *** If you are seeing this message, and you know your system DOES have an
2106 *** entropy collection in place, please contact <crichton@gimp.org> and
2107 *** provide information about the system and how to access the random device.
2108 ***
2109 *** Otherwise you can install either egd or prngd and set the environment
2110 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2111 ***]])
2112 fi
2113
2114 AC_MSG_CHECKING([if inter-process shared handles are requested])
2115 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2116 AC_MSG_RESULT($try_shared_handles)
2117 if test "x$try_shared_handles" != "xyes"; then
2118         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2119         AC_SUBST(DISABLE_SHARED_HANDLES)
2120 fi
2121
2122 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2123
2124 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2125 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2126
2127 AC_MSG_CHECKING([if big-arrays are to be enabled])
2128 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2129 if test "x$enable_big_arrays" = "xyes" ; then
2130     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2131         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2132     else
2133         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2134     fi
2135 fi
2136 AC_MSG_RESULT($enable_big_arrays)
2137
2138 dnl **************
2139 dnl *** DTRACE ***
2140 dnl **************
2141
2142 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2143
2144 if test "x$enable_dtrace" = "xyes"; then
2145    if test "x$has_dtrace" = "xno"; then
2146           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2147    fi
2148    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2149    if test "x$DTRACE" = "xno"; then
2150           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2151           enable_dtrace=no
2152    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2153           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2154           enable_dtrace=no
2155    fi
2156 fi
2157
2158 dtrace_g=no
2159 if test "x$enable_dtrace" = "xyes"; then
2160         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2161         DTRACEFLAGS=
2162         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2163                 case "$host" in
2164                         powerpc-*-darwin*)
2165                         DTRACEFLAGS="-arch ppc64"
2166                         ;;
2167                         i*86-*-darwin*)
2168                         DTRACEFLAGS="-arch x86_64"
2169                         ;;
2170                         *)
2171                         DTRACEFLAGS=-64
2172                         ;;
2173                 esac
2174         else
2175                 case "$host" in
2176                         powerpc-*-darwin*)
2177                         DTRACEFLAGS="-arch ppc"
2178                         ;;
2179                         i*86-*-darwin*)
2180                         DTRACEFLAGS="-arch i386"
2181                         ;;
2182                         *)
2183                         DTRACEFLAGS=-32
2184                         ;;
2185                 esac
2186         fi
2187         AC_SUBST(DTRACEFLAGS)
2188         case "$host" in
2189                 *-*-solaris*)
2190                 dtrace_g=yes
2191                 ;;
2192         esac
2193         AC_CHECK_HEADERS([sys/sdt.h])
2194 fi
2195 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2196 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2197
2198 dnl **************
2199 dnl ***  NaCl  ***
2200 dnl **************
2201
2202 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2203 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2204
2205 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2206 if test "x$enable_nacl_codegen" = "xyes"; then
2207    MONO_NACL_ALIGN_MASK_OFF=1
2208    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2209    AC_DEFINE(TARGET_NACL, 1, [...])
2210 else
2211    MONO_NACL_ALIGN_MASK_OFF=0
2212    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2213 fi
2214 if test "x$enable_nacl_gc" = "xyes"; then
2215    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2216 fi
2217 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2218
2219 dnl **************
2220 dnl ***  LLVM  ***
2221 dnl **************
2222
2223 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2224 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2225
2226 if test "x$enable_llvm" = "xyes"; then
2227    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2228    if test "x$LLVM_CONFIG" = "xno"; then
2229           AC_MSG_ERROR([llvm-config not found.])
2230    fi
2231
2232    llvm_codegen="x86codegen"
2233    case "$target" in
2234    arm*)
2235                 llvm_codegen="armcodegen"
2236                 ;;
2237    esac
2238
2239
2240    # The output of --cflags seems to include optimizations flags too
2241    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2242    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2243    # from LLVM classes.
2244    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2245    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2246    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2247    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2248
2249    # Should be something like '2.6' or '2.7svn'
2250    llvm_version=`$LLVM_CONFIG --version`
2251    major_version=`echo $llvm_version | cut -c 1`
2252    minor_version=`echo $llvm_version | cut -c 3`
2253    AC_MSG_CHECKING(LLVM version)
2254    AC_MSG_RESULT($llvm_version)
2255    if echo $llvm_version | grep -q 'mono'; then
2256           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2257           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2258    else
2259           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.])
2260    fi
2261
2262    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2263    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2264    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2265
2266    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2267    # llvm's config.h
2268    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2269
2270    AC_SUBST(LLVM_CFLAGS)
2271    AC_SUBST(LLVM_CXXFLAGS)
2272    AC_SUBST(LLVM_LIBS)
2273    AC_SUBST(LLVM_LDFLAGS)
2274    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2275 fi
2276
2277 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2278 if test "x$enable_loadedllvm" = "xyes"; then
2279    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2280 fi
2281 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2282
2283 TARGET="unknown"
2284 ACCESS_UNALIGNED="yes"
2285
2286 JIT_SUPPORTED=no
2287 INTERP_SUPPORTED=no
2288 LIBC="libc.so.6"
2289 INTL="libc.so.6"
2290 SQLITE="libsqlite.so.0"
2291 SQLITE3="libsqlite3.so.0"
2292 X11="libX11.so"
2293
2294 sizeof_register="SIZEOF_VOID_P"
2295
2296 jit_wanted=true
2297 interp_wanted=false
2298 sgen_supported=false
2299 case "$host" in
2300 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2301 #               TARGET=MIPS;
2302 #               ACCESS_UNALIGNED="no"
2303 #               ;;
2304         mips*)
2305                 TARGET=MIPS;
2306                 arch_target=mips;
2307                 sgen_supported=true
2308                 ACCESS_UNALIGNED="no"
2309                 JIT_SUPPORTED=yes
2310
2311                 AC_MSG_CHECKING(for mips n32)
2312                 AC_TRY_COMPILE([],[
2313                 #if _MIPS_SIM != _ABIN32
2314                 #error Not mips n32
2315                 #endif
2316                 return 0;
2317                 ],[
2318                 AC_MSG_RESULT(yes)
2319                 sizeof_register=8
2320                 ],[
2321                 AC_MSG_RESULT(no)
2322                 ])
2323                 ;;
2324         i*86-*-*)
2325                 TARGET=X86;
2326                 arch_target=x86;
2327                 JIT_SUPPORTED=yes
2328                 case $host_os in
2329                   solaris*)
2330                         LIBC="libc.so"
2331                         INTL="libintl.so"
2332                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2333                                 TARGET=AMD64
2334                                 arch_target=amd64
2335                         fi
2336
2337                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2338                         # int astruct __attribute__ ((visibility ("hidden")));
2339                         # void foo ()
2340                         # {
2341                         #       void *p = &astruct;
2342                         # }
2343                         # gcc -fPIC --shared -o libfoo.so foo.c
2344                         # yields:
2345                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2346                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2347                         have_visibility_hidden=no
2348                         sgen_supported=true
2349                         ;;
2350                   cygwin*)
2351                         sgen_supported=true
2352                         have_visibility_hidden=no
2353                         ;;
2354                   haiku*)
2355                         LIBC=libroot.so
2356                         ;;
2357                   linux*)
2358                         sgen_supported=true
2359                         AOT_SUPPORTED="yes"
2360                         ;;
2361                   darwin*)
2362                         sgen_supported=true
2363                         AOT_SUPPORTED="yes"
2364                         ;;
2365                   darwin*|openbsd*|freebsd*)
2366                         sgen_supported=true
2367                         ;;
2368                 esac
2369                 ;;
2370         x86_64-*-* | amd64-*-*)
2371                 TARGET=AMD64;
2372                 arch_target=amd64;
2373                 JIT_SUPPORTED=yes
2374                 case $host_os in
2375                   linux*)
2376                         sgen_supported=true
2377                         AOT_SUPPORTED="yes"
2378                         ;;
2379                   darwin*|openbsd*|freebsd*)
2380                         sgen_supported=true
2381                         ;;
2382                 esac
2383                 case "$host" in
2384                         x86_64-*-nacl*)
2385                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2386                                 sizeof_register=8
2387                                 ;;
2388                 esac
2389                 ;;
2390         ia64-*-*)
2391                 TARGET=IA64
2392                 arch_target=ia64
2393                 ACCESS_UNALIGNED="no"
2394                 JIT_SUPPORTED=yes
2395                 LIBC="libc.so.6.1"
2396                 INTL="libc.so.6.1"
2397                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2398                 libmono_ldflags="-lunwind"
2399                 ;;
2400         sparc*-*-*)
2401                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2402                    TARGET=SPARC64
2403                 else
2404                         TARGET=SPARC
2405                 fi
2406                 arch_target=sparc;
2407                 JIT_SUPPORTED=yes
2408                 ACCESS_UNALIGNED="no"
2409                 case $host_os in
2410                   linux*) ;;
2411                   *)
2412                         LIBC="libc.so"
2413                         INTL="libintl.so"
2414                 esac
2415                 if test x"$GCC" = xyes; then
2416                         # We don't support v8 cpus
2417                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2418                 fi
2419                 if test x"$AR" = xfalse; then
2420                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2421                 fi
2422                 sgen_supported=true
2423                 ;;
2424        alpha*-*-linux* | alpha*-*-osf*)
2425                 TARGET=ALPHA;
2426                 ACCESS_UNALIGNED="no"
2427                 JIT_SUPPORTED=yes
2428                 arch_target=alpha;
2429                 CFLAGS="$CFLAGS -mieee -O0"
2430                 case $host_os in
2431                   linux*)
2432                         LIBC="libc.so.6.1"
2433                         INTL="libc.so.6.1"
2434                 esac
2435                ;;
2436         *-mingw*|*-*-cygwin*)
2437                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2438                 have_visibility_hidden=no
2439                 INTL="intl"
2440                 ;;
2441         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
2442                 TARGET=HPPA;
2443                 arch_target=hppa;
2444                 LIBC="libc.sl"
2445                 ACCESS_UNALIGNED="no"
2446                 INTERP_SUPPORTED=yes
2447                 interp_wanted=true
2448                 ;;
2449         hppa*linux*)
2450                 TARGET=HPPA;
2451                 arch_target=hppa;
2452                 ACCESS_UNALIGNED="no"
2453                 JIT_SUPPORTED=yes
2454                 ;;
2455         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2456         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2457                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2458                         TARGET=POWERPC64;
2459                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2460                         CFLAGS="$CFLAGS -mminimal-toc"
2461                 else
2462                         TARGET=POWERPC;
2463                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2464                 fi
2465                 arch_target=ppc;
2466                 JIT_SUPPORTED=yes
2467                 case $host_os in
2468                   linux*|darwin*)
2469                         sgen_supported=true
2470                         ;;
2471                 esac
2472                 ;;
2473         arm*-darwin*)
2474                 TARGET=ARM;
2475                 arch_target=arm;
2476                 ACCESS_UNALIGNED="no"
2477                 JIT_SUPPORTED=yes
2478                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2479                 # libgc's gc_locks.h depends on this
2480             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2481                 sgen_supported=true
2482                 ;;
2483         arm*-linux*)
2484                 TARGET=ARM;
2485                 arch_target=arm;
2486                 ACCESS_UNALIGNED="no"
2487                 JIT_SUPPORTED=yes
2488                 sgen_supported=true
2489                 AOT_SUPPORTED="yes"
2490                 ;;
2491         s390-*-linux*)
2492                 TARGET=S390;
2493                 arch_target=s390;
2494                 ACCESS_UNALIGNED="yes"
2495                 JIT_SUPPORTED=yes
2496                 sgen_supported=true
2497                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2498                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2499                 ;;
2500         s390x-*-linux*)
2501                 TARGET=S390x;
2502                 arch_target=s390x;
2503                 ACCESS_UNALIGNED="yes"
2504                 JIT_SUPPORTED=yes
2505                 sgen_supported=true
2506                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2507                 ;;
2508 esac
2509
2510 HOST=$TARGET
2511
2512 if test "x$host" != "x$target"; then
2513    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2514    enable_mcs_build=no
2515    case "$target" in
2516    arm*-darwin*)
2517                 TARGET=ARM;
2518                 arch_target=arm;
2519                 ACCESS_UNALIGNED="no"
2520                 JIT_SUPPORTED=yes
2521                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2522                 jit_wanted=true
2523                 # Can't use tls, since it depends on the runtime detection of tls offsets
2524                 # in mono-compiler.h
2525                 with_tls=pthread
2526                 ;;
2527    powerpc64-ps3-linux-gnu)
2528                 TARGET=POWERPC64
2529                 arch_target=powerpc64
2530                 AC_DEFINE(TARGET_PS3, 1, [...])
2531                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2532                 # uses this define
2533                 AC_DEFINE(__mono_ppc64__, 1, [...])
2534                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2535                 sizeof_register=8
2536                 target_byte_order=G_BIG_ENDIAN
2537                 ;;
2538
2539    powerpc64-xbox360-linux-gnu)
2540                 TARGET=POWERPC64
2541                 arch_target=powerpc64
2542                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2543                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2544                 # uses this define
2545                 sizeof_register=8
2546                 target_byte_order=G_BIG_ENDIAN
2547                 ;;
2548    x86_64-*-nacl)
2549                 TARGET=AMD64
2550                 arch_target=amd64
2551                 AC_DEFINE(TARGET_AMD64, 1, [...])
2552                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2553                 sizeof_register=8
2554                 ;;
2555    *-*-nacl)
2556                 TARGET=X86
2557                 arch_target=x86
2558                 AC_DEFINE(TARGET_X86, 1, [...])
2559                 sizeof_register=4
2560                 ;;
2561    arm*-unknown-linux-*)
2562                 TARGET=ARM;
2563                 arch_target=arm;
2564                 AC_DEFINE(TARGET_ARM, 1, [...])
2565                 ACCESS_UNALIGNED="no"
2566                 JIT_SUPPORTED=yes
2567                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2568                 jit_wanted=true
2569                 # Can't use tls, since it depends on the runtime detection of tls offsets
2570                 # in mono-compiler.h
2571                 with_tls=pthread
2572                 target_mach=no
2573                 case "$target" in
2574                 armv7l-unknown-linux-gnueabi*)
2575                         # TEGRA
2576                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2577                         ;;
2578                 armv5-*-linux-androideabi*)
2579                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2580                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2581                         ;;
2582                 esac
2583                 ;;
2584         *)
2585                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2586         esac
2587 fi
2588
2589 # FIXME: Define the others as well
2590 case "$TARGET" in
2591 X86)
2592         AC_DEFINE(TARGET_X86, 1, [...])
2593         ;;
2594 AMD64)
2595         AC_DEFINE(TARGET_AMD64, 1, [...])
2596         ;;
2597 ARM)
2598         AC_DEFINE(TARGET_ARM, 1, [...])
2599         ;;
2600 POWERPC)
2601         AC_DEFINE(TARGET_POWERPC, 1, [...])
2602         ;;
2603 POWERPC64)
2604         AC_DEFINE(TARGET_POWERPC, 1, [...])
2605         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2606         ;;
2607 S390x)
2608         AC_DEFINE(TARGET_S390X, 1, [...])
2609         ;;
2610 MIPS)
2611         AC_DEFINE(TARGET_MIPS, 1, [...])
2612         ;;
2613 esac
2614
2615 if test "x$target_mach" = "xyes"; then
2616         AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2617         #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2618         #error fail this for ios
2619         #endif
2620         return 0;
2621         ], [
2622                 AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2623                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2624                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2625         ], [
2626                 AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2627                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2628                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2629         ])
2630
2631    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2632 fi
2633
2634 if test "x$sizeof_register" = "x4"; then
2635    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2636 elif test "x$sizeof_register" = "x8"; then
2637    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2638 else
2639    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2640 fi
2641
2642 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2643    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2644 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2645    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2646 else
2647    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2648 fi
2649
2650 if test "x$have_visibility_hidden" = "xyes"; then
2651    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2652 fi
2653
2654 if test "x$have_deprecated" = "xyes"; then
2655    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2656 fi
2657
2658 dnl
2659 dnl Simple Generational checks (sgen)
2660 dnl
2661 if $sgen_supported; then
2662    build_sgen_default=yes
2663 else
2664    build_sgen_default=no
2665 fi
2666 SGEN_DEFINES=
2667 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2668 if test x$buildsgen = xyes; then
2669    if $sgen_supported; then
2670        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2671        gc_msg="sgen and $gc_msg"
2672    else
2673        buildsgen=no
2674        AC_MSG_WARN("Sgen is not supported on this platform")
2675    fi
2676 fi
2677 AC_SUBST(SGEN_DEFINES)
2678 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2679
2680 USEJIT=false
2681 if test x$JIT_SUPPORTED = xyes; then
2682    if $jit_wanted; then
2683       USEJIT=true
2684       jit_status="Building and using the JIT"
2685    else
2686       if $interp_wanted; then
2687          jit_status="Building the JIT, defaulting to the interpreter"
2688       else
2689          AC_ERROR(No JIT or interpreter support available or selected.)
2690       fi
2691    fi
2692 else
2693    if test x$interp_wanted = xtrue; then
2694       jit_status="interpreter"
2695    else
2696       AC_ERROR(No JIT or interpreter support available or selected.)
2697    fi
2698 fi
2699
2700 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2701
2702 libsuffix=".so"
2703
2704 case "$host" in
2705      *-*-darwin*)
2706         libsuffix=".dylib"
2707         LIBC="libc.dylib"
2708         INTL="libintl.dylib"
2709         SQLITE="libsqlite.0.dylib"
2710         SQLITE3="libsqlite3.0.dylib"
2711         X11="libX11.dylib"
2712         ;;
2713      *-*-*netbsd*)
2714         LIBC="libc.so.12"
2715         INTL="libintl.so.0"
2716         ;;
2717     *-*-*freebsd*)
2718         LIBC="libc.so"
2719         INTL="libintl.so"
2720         SQLITE="libsqlite.so"
2721         SQLITE3="libsqlite3.so"
2722         ;;
2723     *-*-*openbsd*)
2724         LIBC="libc.so"
2725         INTL="libintl.so"
2726         SQLITE="libsqlite.so"
2727         SQLITE3="libsqlite3.so"
2728         ;;
2729     *-*-*linux*)
2730         AC_PATH_X
2731         AC_MSG_CHECKING(for the soname of libX11.so)
2732         for i in $x_libraries /usr/lib /usr/lib64; do
2733                 for r in 4 5 6; do
2734                         if test -f $i/libX11.so.$r; then
2735                                 X11=libX11.so.$r
2736                                 AC_MSG_RESULT($X11)
2737                         fi
2738                 done
2739         done
2740
2741         if test "x$X11" = "xlibX11.so"; then
2742                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2743                 X11=libX11.so.6
2744         fi
2745         ;;
2746 esac
2747
2748
2749 AC_SUBST(libsuffix)
2750
2751 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2752         if test "x$with_tls" = "x__thread"; then
2753                 #
2754                 # On some linux distributions, TLS works in executables, but linking
2755                 # against a shared library containing TLS fails with:
2756                 # undefined reference to `__tls_get_addr'
2757                 #
2758                 rm -f conftest.c conftest.so conftest
2759                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2760                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2761                 $CC -o conftest conftest.so > /dev/null 2>&1
2762                 if test ! -f conftest; then
2763                    AC_MSG_WARN([Disabling usage of __thread.]);
2764                    with_tls=pthread
2765                 fi
2766                 rm -f conftest.c conftest.so conftest
2767         fi
2768 fi
2769
2770 mono_debugger_supported=no
2771 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2772 if test "x$try_mono_debugger" = "xyes"; then
2773         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
2774                 if test x$use_included_gc = xyes; then
2775                         case "$host" in
2776                         *-*-*linux*)
2777                                 mono_debugger_supported=yes
2778                                 ;;
2779                         *86-apple-darwin*)
2780                                 mono_debugger_supported=yes
2781                                 ;;
2782                         esac
2783                 fi
2784         fi
2785 fi
2786
2787 # disable the debugger entirely when building with moonlight
2788 if test "x$with_moonlight" != "xno"; then
2789         mono_debugger_supported=no
2790 fi
2791
2792 # mdb support for sgen is broken, disable it until further notice.
2793 mono_debugger_supported=no
2794
2795 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2796 if test "x$mono_debugger_supported" = "xyes"; then
2797         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2798         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2799 fi
2800 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2801 AC_MSG_RESULT($mono_debugger_supported)
2802
2803 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2804 if test "x$icall_symbol_map" = "xyes"; then
2805    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2806 fi
2807
2808 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2809 if test "x$icall_export" = "xyes"; then
2810    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2811 fi
2812
2813 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2814 if test "x$icall_tables" = "xno"; then
2815    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2816 fi
2817
2818 if test "x$mono_cv_clang" = "xyes"; then
2819    # FIXME: This causes many compilation errors
2820    with_tls=pthread
2821 fi
2822
2823 if test "x$with_tls" = "x__thread"; then
2824         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2825         # Pass the information to libgc
2826         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2827         AC_MSG_CHECKING(if the tls_model attribute is supported)
2828         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2829                 ], [
2830                         AC_MSG_RESULT(yes)
2831                         # CLANG doesn't support this yet, and it prints warnings about it
2832                         if test "x$mono_cv_clang" = "xno"; then
2833                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2834                         fi
2835                 ], [
2836                         AC_MSG_RESULT(no)
2837         ])
2838 fi
2839
2840 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2841         dnl ******************************************
2842         dnl *** Check to see what FPU is available ***
2843         dnl ******************************************
2844         AC_MSG_CHECKING(which FPU to use)
2845
2846         fpu=NONE
2847         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2848            fpu=VFP_HARD
2849         fi
2850
2851         if test x$fpu = xNONE; then
2852            ORIG_CFLAGS=$CFLAGS
2853            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2854            AC_TRY_RUN([
2855                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2856                                 ], fpu=VFP, fpu=NONE)
2857            CFLAGS=$ORIG_CFLAGS
2858         fi
2859
2860         if test x$fpu = xNONE; then
2861                 AC_TRY_COMPILE([], [
2862                         __asm__ ("ldfd f0, [r0]");
2863                         ], fpu=FPA, fpu=NONE)
2864         fi
2865
2866         AC_MSG_RESULT($fpu)
2867         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2868         unset fpu
2869
2870         AC_MSG_CHECKING(for ARMV6)
2871         AC_TRY_RUN([
2872                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2873                         ], armv6=yes, armv6=no)
2874
2875         AC_MSG_RESULT($armv6)
2876         if test ${armv6} = yes; then
2877            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2878            # libgc's gc_locks.h depends on this
2879            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2880         fi
2881 fi
2882
2883 if test ${TARGET} = unknown; then
2884         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2885         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2886 fi
2887
2888 if test ${ACCESS_UNALIGNED} = no; then
2889         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2890 fi
2891
2892 case "x$gc" in
2893         xincluded)
2894                 # Pass CPPFLAGS to libgc configure
2895                 # We should use a separate variable for this to avoid passing useless and
2896                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2897                 # This should be executed late so we pick up the final version of CPPFLAGS
2898                 # The problem with this approach, is that during a reconfigure, the main
2899                 # configure scripts gets invoked with these arguments, so we use separate
2900                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2901                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2902                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2903                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2904                 fi
2905                 # Don't pass -finstrument-for-thread-suspension in,
2906                 # if these are instrumented it will be very bad news
2907                 # (infinite recursion, undefined parking behavior, etc)
2908                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2909                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2910                 AC_CONFIG_SUBDIRS(libgc)
2911                 ;;
2912 esac
2913
2914 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2915 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2916 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2917 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2918 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
2919 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
2920
2921 OPROFILE=no
2922 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
2923         if test x$with_oprofile != xno; then
2924             oprofile_include=$with_oprofile/include
2925             if test ! -f $oprofile_include/opagent.h; then
2926                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
2927                 fi
2928             OPROFILE=yes
2929                 OPROFILE_CFLAGS="-I$oprofile_include"
2930             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
2931             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
2932         fi
2933 ])
2934
2935 MALLOC_MEMPOOLS=no
2936 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
2937         if test x$with_malloc_mempools = xyes; then
2938                 MALLOC_MEMPOOLS=yes
2939                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
2940         fi
2941 ])
2942
2943
2944 DISABLE_MCS_DOCS=no
2945 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
2946         if test x$with_mcs_docs != xyes; then
2947                 DISABLE_MCS_DOCS=yes
2948         fi
2949 ])
2950 if test x$with_profile4 != xyes; then
2951         DISABLE_MCS_DOCS=yes
2952 fi
2953
2954 MOONLIGHT_DEFINES=
2955 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
2956         if test x$with_moonlight != xno; then
2957         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
2958         fi
2959 ], [with_moonlight=no])
2960 AC_SUBST(MOONLIGHT_DEFINES)
2961
2962 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
2963         if test "x$with_moon_gc" != "xsgen"; then
2964                 with_moon_gc=boehm
2965         fi
2966 ], [with_moon_gc=boehm])
2967
2968 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)],[
2969         if test x$with_lazy_gc_thread_creation != xno ; then
2970                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
2971         fi
2972 ], [with_lazy_gc_thread_creation=no])
2973
2974 AC_CHECK_HEADER([malloc.h],
2975                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
2976                         [Define to 1 if you have /usr/include/malloc.h.])],,)
2977
2978 if test x"$GCC" = xyes; then
2979         # Implicit function declarations are not 64 bit safe
2980         # Do this late, since this causes lots of configure tests to fail
2981         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
2982         # jay has a lot of implicit declarations
2983         JAY_CFLAGS="-Wno-implicit-function-declaration"
2984 fi
2985
2986 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
2987 # instead of libmono-static.a
2988 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
2989    LIBMONO_LA=libmini-static.la
2990 else
2991    LIBMONO_LA=libmono-$API_VER.la
2992 fi
2993 AC_SUBST(LIBMONO_LA)
2994
2995 dnl
2996 dnl Consistency settings
2997 dnl
2998 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
2999    DISABLE_MCS_DOCS=yes
3000    with_profile2=no
3001    with_profile4=no
3002    with_profile4_5=no
3003    with_monodroid=no
3004    with_monotouch=no
3005 fi
3006
3007 if test x$DISABLE_MCS_DOCS = xyes; then
3008    docs_dir=""
3009 else
3010    docs_dir=docs
3011 fi
3012 AC_SUBST(docs_dir)
3013
3014 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3015 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3016
3017 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3018 AC_SUBST(OPROFILE_CFLAGS)
3019 AC_SUBST(OPROFILE_LIBS)
3020
3021 libmono_ldflags="$libmono_ldflags $LIBS"
3022
3023 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3024
3025 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3026 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3027 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3028
3029 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3030 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3031 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3032 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3033 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3034 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3035 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3036
3037 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3038 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3039 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3040 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3041 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3042 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3043 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
3044 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3045 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3046 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3047 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3048 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3049 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3050 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3051 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3052 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
3053 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3054 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3055 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3056 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3057
3058 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3059 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3060 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3061
3062 AC_SUBST(LIBC)
3063 AC_SUBST(INTL)
3064 AC_SUBST(SQLITE)
3065 AC_SUBST(SQLITE3)
3066 AC_SUBST(X11)
3067 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3068 AC_SUBST(arch_target)
3069 AC_SUBST(CFLAGS)
3070 AC_SUBST(CPPFLAGS)
3071 AC_SUBST(LDFLAGS)
3072
3073 mono_build_root=`pwd`
3074 AC_SUBST(mono_build_root)
3075
3076 if test x$USEJIT = xtrue; then
3077   mono_runtime=mono/mini/mono
3078 else
3079   mono_runtime=mono/interpreter/mint
3080 fi
3081 AC_SUBST(mono_runtime)
3082
3083 mono_cfg_root=$mono_build_root/runtime
3084 if test x$host_win32 = xyes; then
3085   if test "x$cross_compiling" = "xno"; then
3086     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3087   else
3088     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3089   fi
3090 else
3091   mono_cfg_dir=$mono_cfg_root/etc
3092 fi
3093 AC_SUBST(mono_cfg_dir)
3094
3095 AC_CONFIG_FILES([po/mcs/Makefile.in])
3096
3097 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3098 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3099
3100 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3101 [   depth=../../../..
3102     case $srcdir in
3103     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3104     .) reldir=$depth ;;
3105     *) reldir=$depth/$srcdir ;;
3106     esac
3107     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3108     cd runtime/etc/mono/1.0
3109     rm -f machine.config
3110     $LN_S $reldir/data/net_1_1/machine.config machine.config
3111     cd $depth
3112 ],[LN_S='$LN_S'])
3113
3114 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3115 [   depth=../../../..
3116     case $srcdir in
3117     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3118     .) reldir=$depth ;;
3119     *) reldir=$depth/$srcdir ;;
3120     esac
3121     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3122     cd runtime/etc/mono/2.0
3123     rm -f machine.config
3124     $LN_S $reldir/data/net_2_0/machine.config machine.config
3125     cd $depth
3126 ],[LN_S='$LN_S'])
3127
3128 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3129 [   depth=../../../..
3130     case $srcdir in
3131     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3132     .) reldir=$depth ;;
3133     *) reldir=$depth/$srcdir ;;
3134     esac
3135     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3136     cd runtime/etc/mono/2.0
3137     rm -f web.config
3138     $LN_S $reldir/data/net_2_0/web.config web.config
3139     cd $depth
3140 ],[LN_S='$LN_S'])
3141
3142 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3143 [   depth=../../..
3144     case $srcdir in
3145     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3146     .) reldir=$depth ;;
3147     *) reldir=$depth/$srcdir ;;
3148     esac
3149     $ac_aux_dir/install-sh -d runtime/etc/mono/
3150     cd runtime/etc/mono/
3151     rm -f browscap.ini
3152     $LN_S $reldir/data/browscap.ini browscap.ini
3153     cd $depth
3154 ],[LN_S='$LN_S'])
3155
3156 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3157 [   depth=../../../../..
3158     case $srcdir in
3159     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3160     .) reldir=$depth ;;
3161     *) reldir=$depth/$srcdir ;;
3162     esac
3163     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3164     cd runtime/etc/mono/2.0/Browsers
3165     rm -f Compat.browser
3166     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3167     cd $depth
3168 ],[LN_S='$LN_S'])
3169
3170 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3171 [   depth=../../../..
3172     case $srcdir in
3173     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3174     .) reldir=$depth ;;
3175     *) reldir=$depth/$srcdir ;;
3176     esac
3177     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3178     cd runtime/etc/mono/4.0
3179     rm -f machine.config
3180     $LN_S $reldir/data/net_4_0/machine.config machine.config
3181     cd $depth
3182 ],[LN_S='$LN_S'])
3183
3184 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3185 [   depth=../../../..
3186     case $srcdir in
3187     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3188     .) reldir=$depth ;;
3189     *) reldir=$depth/$srcdir ;;
3190     esac
3191     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3192     cd runtime/etc/mono/4.0
3193     rm -f web.config
3194     $LN_S $reldir/data/net_4_0/web.config web.config
3195     cd $depth
3196 ],[LN_S='$LN_S'])
3197
3198 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3199 [   depth=../../../..
3200     case $srcdir in
3201     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3202     .) reldir=$depth ;;
3203     *) reldir=$depth/$srcdir ;;
3204     esac
3205     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3206     cd runtime/etc/mono/4.5
3207     rm -f machine.config
3208     $LN_S $reldir/data/net_4_5/machine.config machine.config
3209     cd $depth
3210 ],[LN_S='$LN_S'])
3211
3212 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3213 [   depth=../../../..
3214     case $srcdir in
3215     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3216     .) reldir=$depth ;;
3217     *) reldir=$depth/$srcdir ;;
3218     esac
3219     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3220     cd runtime/etc/mono/4.5
3221     rm -f web.config
3222     $LN_S $reldir/data/net_4_5/web.config web.config
3223     cd $depth
3224 ],[LN_S='$LN_S'])
3225
3226 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])
3227
3228 AC_OUTPUT([
3229 Makefile
3230 mono-core.spec
3231 mono-uninstalled.pc
3232 scripts/mono-find-provides
3233 scripts/mono-find-requires
3234 mono/Makefile
3235 mono/utils/Makefile
3236 mono/metadata/Makefile
3237 mono/dis/Makefile
3238 mono/cil/Makefile
3239 mono/arch/Makefile
3240 mono/arch/x86/Makefile
3241 mono/arch/amd64/Makefile
3242 mono/arch/hppa/Makefile
3243 mono/arch/ppc/Makefile
3244 mono/arch/sparc/Makefile
3245 mono/arch/s390/Makefile
3246 mono/arch/s390x/Makefile
3247 mono/arch/arm/Makefile
3248 mono/arch/alpha/Makefile
3249 mono/arch/ia64/Makefile
3250 mono/arch/mips/Makefile
3251 mono/interpreter/Makefile
3252 mono/tests/Makefile
3253 mono/tests/tests-config
3254 mono/tests/assemblyresolve/Makefile
3255 mono/tests/cas/Makefile
3256 mono/tests/cas/assembly/Makefile
3257 mono/tests/cas/demand/Makefile
3258 mono/tests/cas/inheritance/Makefile
3259 mono/tests/cas/linkdemand/Makefile
3260 mono/tests/cas/threads/Makefile
3261 mono/benchmark/Makefile
3262 mono/monograph/Makefile
3263 mono/io-layer/Makefile
3264 mono/mini/Makefile
3265 mono/profiler/Makefile
3266 m4/Makefile
3267 ikvm-native/Makefile
3268 scripts/Makefile
3269 man/Makefile
3270 docs/Makefile
3271 data/Makefile
3272 data/net_2_0/Makefile
3273 data/net_4_0/Makefile
3274 data/net_4_5/Makefile
3275 data/net_2_0/Browsers/Makefile
3276 data/mint.pc
3277 data/mono-2.pc
3278 data/monosgen-2.pc
3279 data/mono.pc
3280 data/mono-cairo.pc
3281 data/mono-nunit.pc
3282 data/mono-options.pc
3283 data/mono-lineeditor.pc
3284 data/monodoc.pc
3285 data/mono.web.pc
3286 data/dotnet.pc
3287 data/dotnet35.pc
3288 data/wcf.pc
3289 data/cecil.pc
3290 data/system.web.extensions_1.0.pc
3291 data/system.web.extensions.design_1.0.pc
3292 data/system.web.mvc.pc
3293 data/system.web.mvc2.pc
3294 data/system.web.mvc3.pc
3295 data/aspnetwebstack.pc
3296 data/reactive.pc
3297 samples/Makefile
3298 support/Makefile
3299 data/config
3300 tools/Makefile
3301 tools/locale-builder/Makefile
3302 tools/sgen/Makefile
3303 runtime/Makefile
3304 msvc/Makefile
3305 po/Makefile
3306 ])
3307
3308 # Update all submodules recursively to ensure everything is checked out
3309 $srcdir/scripts/update_submodules
3310
3311 if test x$host_win32 = xyes; then
3312    # Get rid of 'cyg' prefixes in library names
3313    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3314    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3315    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3316    # executable doesn't work...
3317    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3318 fi
3319
3320 (
3321   case $prefix in
3322   NONE) prefix=$ac_default_prefix ;;
3323   esac
3324   case $exec_prefix in
3325   NONE) exec_prefix='${prefix}' ;;
3326   esac
3327
3328   #
3329   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3330   # any existing config.make.  This allows people to share the same source tree
3331   # with different build directories, one native and one cross
3332   #
3333   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3334
3335     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3336
3337     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3338     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3339     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3340     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3341     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3342     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3343     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3344     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3345
3346     case $INSTALL in
3347     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3348     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3349     esac
3350
3351     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3352
3353     export VERSION
3354     [myver=$($AWK 'BEGIN {
3355       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3356       if(length(vsplit [1]) > 4) {
3357         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3358       }
3359       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3360     }')]
3361
3362     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3363
3364     if test x$platform_darwin = xyes; then
3365       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3366     fi
3367
3368         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3369            enable_system_aot=yes
3370         fi
3371
3372         if test "x$enable_loadedllvm" = "xyes"; then
3373            # This seems to fail on the x86 buildbots
3374            enable_system_aot=no
3375         fi
3376
3377     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3378       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3379     fi
3380
3381     if test x$DISABLE_MCS_DOCS = xyes; then
3382       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3383     fi
3384
3385     if test x$with_moonlight != xno; then
3386       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3387     fi
3388
3389     if test x$has_extension_module != xno; then
3390         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3391     fi
3392
3393         default_profile=net_2_0
3394     if test -z "$INSTALL_4_0_TRUE"; then :
3395                 default_profile=net_4_0
3396     fi
3397     if test -z "$INSTALL_MONODROID_TRUE"; then :
3398                 default_profile=monodroid
3399     fi
3400     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3401                 default_profile=monotouch
3402     fi
3403     if test -z "$INSTALL_4_5_TRUE"; then :
3404                 default_profile=net_4_5
3405     fi
3406
3407     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3408
3409     if test "x$test_bcl_opt" = "xyes"; then
3410       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3411     fi
3412
3413   fi
3414
3415   # if we have an olive folder, override the default settings
3416   if test -d $olivedir; then
3417
3418     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3419
3420       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3421
3422       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3423       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3424       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3425       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3426       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3427       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3428     fi
3429   fi
3430
3431 )
3432
3433 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3434
3435 echo "
3436         mcs source:    $mcsdir
3437
3438    Engine:
3439         GC:            $gc_msg
3440         TLS:           $with_tls
3441         SIGALTSTACK:   $with_sigaltstack
3442         Engine:        $jit_status
3443         oprofile:      $OPROFILE
3444         BigArrays:     $enable_big_arrays
3445         DTrace:        $enable_dtrace
3446         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3447
3448    Libraries:
3449         .NET 2.0/3.5:  $with_profile2
3450         .NET 4.0:      $with_profile4
3451         .NET 4.5:      $with_profile4_5
3452         MonoDroid:     $with_monodroid
3453         MonoTouch:     $with_monotouch
3454         JNI support:   $jdk_headers_found
3455         libgdiplus:    $libgdiplus_msg
3456         zlib:          $zlib_msg
3457         $disabled
3458 "
3459 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3460    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3461 fi