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