configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.0.8],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 # In case of cygwin, override LN_S, irrespective of what it determines.
  28 # The build uses cygwin, but the actual runtime doesn't.
  29 case $host_os in
  30 *cygwin* ) LN_S='cp -p';;
  31 esac
  32
  33 dnl
  34 dnl libgc checks
  35 dnl
  36
  37 gc_headers=no
  38 gc=included
  39 gc_msg="included Boehm"
  40 use_included_gc=no
  41 libgc_configure_args=
  42
  43 if test -d $srcdir/libgc ; then
  44   gc_default=included
  45 else
  46   gc_default=boehm
  47 fi
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55
  56 #
  57 # These are the flags that need to be stored in the mono.pc file for
  58 # compiling code that will embed Mono
  59 #
  60 libmono_cflags=""
  61 libmono_ldflags=""
  62 AC_SUBST(libmono_cflags)
  63 AC_SUBST(libmono_ldflags)
  64
  65 # Variable to have relocatable .pc files (lib, or lib64)
  66 reloc_libdir=`basename ${libdir}`
  67 AC_SUBST(reloc_libdir)
  68
  69 dnl if linker handles the version script
  70 no_version_script=no
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 # Thread configuration inspired by sleepycat's db
  76 AC_MSG_CHECKING([host platform characteristics])
  77 libgc_threads=no
  78 has_dtrace=no
  79 parallel_mark=yes
  80 ikvm_native=yes
  81
  82 case "$host" in
  83         powerpc*-*-linux*)
  84                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  85                 disable_munmap=yes
  86         ;;
  87 esac
  88
  89 host_win32=no
  90 target_win32=no
  91 platform_android=no
  92 platform_darwin=no
  93 case "$host" in
  94         *-mingw*|*-*-cygwin*)
  95                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
  96                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  97                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  98                 host_win32=yes
  99                 mono_cv_clang=no
 100                 if test "x$cross_compiling" = "xno"; then
 101                         target_win32=yes
 102                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 103                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 104                         fi
 105                         #
 106                         # gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
 107                         # Other gcc packages will not work:
 108                         # - the gcc-4 packages no longer support -mno-cygwin
 109                         # - the mingw-gcc packages produce executables which depends on a libgcc<...>
 110                         # dll, which means we would have to distribute that file too.
 111                         #
 112                         if test "x$CC" != "x"; then
 113                                 AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
 114                         fi
 115                         CC="gcc-3.exe -mno-cygwin -g"
 116                         CXX="g++-3.exe -mno-cygwin -g"
 117                         # So libgc configure gets -mno-cygwin
 118                         export CC
 119                         export CXX
 120                         CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -mno-cygwin"
 121                 else
 122                         target_win32=yes
 123                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 124                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 125                 fi
 126                 HOST_CC="gcc"
 127                 # Windows 2000 is required that includes Internet Explorer 5.01
 128                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 129                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 130                 libmono_cflags="-mno-cygwin -mms-bitfields -mwindows"
 131                 libmono_ldflags="-mno-cygwin -mms-bitfields -mwindows"
 132                 libdl=
 133                 libgc_threads=win32
 134                 gc_default=included
 135                 with_sigaltstack=no
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 143                 libmono_cflags="-D_REENTRANT"
 144                 LDFLAGS="$LDFLAGS -pthread"
 145                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 146                 libmono_ldflags="-pthread"
 147                 need_link_unlink=yes
 148                 libdl="-ldl"
 149                 libgc_threads=pthreads
 150                 with_sigaltstack=no
 151                 use_sigposix=yes
 152                 ;;
 153         *-*-*freebsd*)
 154                 host_win32=no
 155                 if test "x$PTHREAD_CFLAGS" = "x"; then
 156                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags=
 158                 else
 159                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags="$PTHREAD_CFLAGS"
 161                 fi
 162                 if test "x$PTHREAD_LIBS" = "x"; then
 163                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 164                         libmono_ldflags="-pthread"
 165                 else
 166                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 167                         libmono_ldflags="$PTHREAD_LIBS"
 168                 fi
 169                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 # This doesn't seem to work as of 7.0 on amd64
 175                 with_sigaltstack=no
 176                 use_sigposix=yes
 177                 ;;
 178         *-*-*openbsd*)
 179                 host_win32=no
 180                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 181                 if test "x$disable_munmap" != "xyes"; then
 182                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 183                 fi
 184                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 185                 LDFLAGS="$LDFLAGS -pthread"
 186                 need_link_unlink=yes
 187                 AC_DEFINE(PTHREAD_POINTER_ID)
 188                 libdl=
 189                 gc_default=boehm
 190                 libgc_threads=pthreads
 191                 with_sigaltstack=no
 192                 use_sigposix=yes
 193                 ;;
 194         *-*-linux-android*)
 195                 host_win32=no
 196                 platform_android=yes
 197                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 198                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 199
 200                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 201                 if test "x$disable_munmap" != "xyes"; then
 202                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 203                 fi
 204                 libmono_cflags="-D_REENTRANT"
 205                 libdl="-ldl"
 206                 libgc_threads=pthreads
 207                 use_sigposix=yes
 208
 209                 with_tls=pthread
 210                 with_sigaltstack=no
 211                 with_static_mono=no
 212
 213                 # Android doesn't support boehm, as it's missing <link.h>
 214                 support_boehm=no
 215                 with_gc=sgen
 216
 217                 # isinf(3) requires -lm; see isinf check below
 218                 LDFLAGS="$LDFLAGS -lm"
 219
 220                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 221                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 222                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 223                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 224                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 225
 226                 # to bypass the underscore linker check, can't work when cross-compiling
 227                 mono_cv_uscore=yes
 228                 mono_cv_clang=no
 229                 ;;
 230         *-*-linux*)
 231                 host_win32=no
 232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 233                 if test "x$disable_munmap" != "xyes"; then
 234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 235                 fi
 236                 libmono_cflags="-D_REENTRANT"
 237                 libdl="-ldl"
 238                 libgc_threads=pthreads
 239                 use_sigposix=yes
 240                 if test "x$cross_compiling" != "xno"; then
 241                         # to bypass the underscore linker check, not
 242                         # available during cross-compilation
 243                         mono_cv_uscore=no
 244                 fi
 245                 ;;
 246         *-*-nacl*)
 247                 host_win32=no
 248                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 249                 if test "x$disable_munmap" != "xyes"; then
 250                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 251                 fi
 252                 libmono_cflags="-D_REENTRANT"
 253                 libdl=
 254                 libgc_threads=pthreads
 255                 gc_default=boehm
 256                 use_sigposix=yes
 257                 ikvm_native=no
 258                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 259                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 260                 ;;
 261         *-*-hpux*)
 262                 host_win32=no
 263                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 264                 # +ESdbgasm only valid on bundled cc on RISC
 265                 # silently ignored for ia64
 266                 if test $GCC != "yes"; then
 267                         CFLAGS="$CFLAGS +ESdbgasm"
 268                         # Arrange for run-time dereferencing of null
 269                         # pointers to produce a SIGSEGV signal.
 270                         LDFLAGS="$LDFLAGS -z"
 271                 fi
 272                 CFLAGS="$CFLAGS +ESdbgasm"
 273                 LDFLAGS="$LDFLAGS -z"
 274                 libmono_cflags="-D_REENTRANT"
 275                 libmono_ldflags="-lpthread"
 276                 libgc_threads=pthreads
 277                 need_link_unlink=yes
 278                 use_sigposix=yes
 279                 ;;
 280         *-*-solaris*)
 281                 host_win32=no
 282                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 283                 need_link_unlink=yes
 284                 libmono_cflags="-D_REENTRANT"
 285                 libgc_threads=pthreads
 286                 # This doesn't seem to work on solaris/x86, but the configure test runs
 287                 with_tls=pthread
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_win32=no
 295                 platform_darwin=yes
 296                 target_mach=yes
 297                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 298                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 299                 libmono_cflags="-D_THREAD_SAFE"
 300                 need_link_unlink=yes
 301                 AC_DEFINE(PTHREAD_POINTER_ID)
 302                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 303                 no_version_script=yes
 304                 libdl=
 305                 libgc_threads=pthreads
 306                 has_dtrace=yes
 307                 if test "x$cross_compiling" = "xyes"; then
 308                         has_broken_apple_cpp=yes
 309                 fi
 310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 313                 case "$host" in
 314                         dnl Snow Leopard and newer config.guess reports as this
 315                         i*86-*-darwin*)
 316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 317                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 322                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 323                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 324                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 325                                 ;;
 326                         arm*-darwin*)
 327                                 has_dtrace=no
 328                                 ;;
 329                 esac
 330                 ;;
 331         *-*-haiku*)
 332                 host_win32=no
 333                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 334                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 335                 libdl=
 336                 LIBS="$LIBS -lnetwork"
 337                 need_link_unlink=yes
 338                 AC_DEFINE(PTHREAD_POINTER_ID)
 339                 libgc_threads=pthreads
 340                 use_sigposix=yes
 341                 ;;
 342         *)
 343                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 344                 host_win32=no
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 355 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 356 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 357 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 358 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 359 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 360
 361 AC_CHECK_TOOL(CC, gcc, gcc)
 362 AC_PROG_CC
 363 AC_CHECK_TOOL(CXX, g++, g++)
 364 AC_PROG_CXX
 365 AM_PROG_AS
 366 AC_PROG_INSTALL
 367 AC_PROG_AWK
 368 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 369 : ${CCAS='$(CC)'}
 370 # Set ASFLAGS if not already set.
 371 : ${CCASFLAGS='$(CFLAGS)'}
 372 AC_SUBST(CCAS)
 373 AC_SUBST(CCASFLAGS)
 374
 375 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 376 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 377 if test "x$CXX" = "xg++"; then
 378         if test "x$GXX" != "xyes"; then
 379                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 380                 # are inside automake conditionals
 381                 AC_MSG_ERROR([You need to install g++])
 382         fi
 383 fi
 384
 385 dnl may require a specific autoconf version
 386 dnl AC_PROG_CC_FOR_BUILD
 387 dnl CC_FOR_BUILD not automatically detected
 388 CC_FOR_BUILD=$CC
 389 CFLAGS_FOR_BUILD=$CFLAGS
 390 BUILD_EXEEXT=
 391 if test "x$cross_compiling" = "xyes"; then
 392         CC_FOR_BUILD=cc
 393         CFLAGS_FOR_BUILD=
 394         BUILD_EXEEXT=""
 395 fi
 396 AC_SUBST(CC_FOR_BUILD)
 397 AC_SUBST(CFLAGS_FOR_BUILD)
 398 AC_SUBST(HOST_CC)
 399 AC_SUBST(BUILD_EXEEXT)
 400
 401 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 402 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 403
 404 # Set STDC_HEADERS
 405 AC_HEADER_STDC
 406 AC_LIBTOOL_WIN32_DLL
 407 # This causes monodis to not link correctly
 408 #AC_DISABLE_FAST_INSTALL
 409 AM_PROG_LIBTOOL
 410 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 411 DOLT
 412
 413 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 414 AC_SUBST(export_ldflags)
 415
 416 # Test whenever ld supports -version-script
 417 AC_PROG_LD
 418 AC_PROG_LD_GNU
 419 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 420    no_version_script=yes
 421 fi
 422
 423 AM_ICONV()
 424
 425 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 426
 427 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
 428 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
 429 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 430                   [], [], [#include <stddef.h>
 431                   #include <sys/socket.h>
 432                   #include <linux/socket.h>])
 433
 434 AC_CHECK_HEADERS(sys/user.h, [], [],
 435 [
 436 #ifdef HAVE_SYS_PARAM_H
 437 # include <sys/param.h>
 438 #endif
 439 ])
 440
 441 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 442 if test x$have_zlib = xyes; then
 443    AC_TRY_COMPILE([#include <zlib.h>], [
 444    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 445    return 0;
 446    #else
 447    #error No good zlib found
 448    #endif
 449    ],[
 450         AC_MSG_RESULT(Using system zlib)
 451         zlib_msg="system zlib"
 452         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 453    ],[
 454         AC_MSG_RESULT(Using embedded zlib)
 455         have_zlib=no
 456         zlib_msg="bundled zlib"
 457    ])
 458 fi
 459
 460 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 461 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 462
 463 # for mono/metadata/debug-symfile.c
 464 AC_CHECK_HEADERS(elf.h)
 465
 466 # for support
 467 AC_CHECK_HEADERS(poll.h)
 468 AC_CHECK_HEADERS(sys/poll.h)
 469 AC_CHECK_HEADERS(sys/wait.h)
 470 AC_CHECK_HEADERS(grp.h)
 471 AC_CHECK_HEADERS(syslog.h)
 472
 473 # for mono/dis
 474 AC_CHECK_HEADERS(wchar.h)
 475 AC_CHECK_HEADERS(ieeefp.h)
 476 AC_MSG_CHECKING(for isinf)
 477 AC_TRY_LINK([#include <math.h>], [
 478         int f = isinf (1);
 479 ], [
 480         AC_MSG_RESULT(yes)
 481         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 482 ], [
 483         # We'll have to use signals
 484         AC_MSG_RESULT(no)
 485 ])
 486
 487 # for Linux statfs support
 488 AC_CHECK_HEADERS(linux/magic.h)
 489
 490 # not 64 bit clean in cross-compile
 491 AC_CHECK_SIZEOF(void *, 4)
 492
 493 WARN=''
 494 if test x"$GCC" = xyes; then
 495         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 496                 # The runtime code does not respect ANSI C strict aliasing rules
 497                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 498
 499                 ORIG_CFLAGS=$CFLAGS
 500                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 501                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 502                 AC_TRY_COMPILE([],[
 503                                 return 0;
 504                 ], [
 505                    AC_MSG_RESULT(yes)
 506                 ], [
 507                    AC_MSG_RESULT(no)
 508                    CFLAGS=$ORIG_CFLAGS
 509                 ])
 510
 511                 ORIG_CFLAGS=$CFLAGS
 512                 # Check for the normal version, since gcc ignores unknown -Wno options
 513                 CFLAGS="$CFLAGS -Wunused-but-set-variable"
 514                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 515                 AC_TRY_COMPILE([],[
 516                                 return 0;
 517                 ], [
 518                    AC_MSG_RESULT(yes)
 519                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 520                 ], [
 521                    AC_MSG_RESULT(no)
 522                    CFLAGS=$ORIG_CFLAGS
 523                 ])
 524 else
 525         # The Sun Forte compiler complains about inline functions that access static variables
 526         # so disable all inlining.
 527         case "$host" in
 528         *-*-solaris*)
 529                 CFLAGS="$CFLAGS -Dinline="
 530                 ;;
 531         esac
 532 fi
 533 CFLAGS="$CFLAGS -g $WARN"
 534 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 535
 536 AC_CACHE_CHECK([for clang],
 537         mono_cv_clang,[
 538         AC_TRY_COMPILE([], [
 539                 #ifdef __clang__
 540                 #else
 541                 #error "FAILED"
 542                 #endif
 543                 return 0;
 544         ],
 545         [mono_cv_clang=yes],
 546         [mono_cv_clang=no],
 547         [])
 548 ])
 549
 550 # Where's the 'mcs' source tree?
 551 if test -d $srcdir/mcs; then
 552   mcsdir=mcs
 553 else
 554   mcsdir=../mcs
 555 fi
 556
 557 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 558         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 559                 mcsdir=$with_mcs_path
 560         fi
 561 )
 562
 563 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 564
 565 #
 566 # A sanity check to catch cases where the package was unpacked
 567 # with an ancient tar program (Solaris)
 568 #
 569 AC_ARG_ENABLE(solaris-tar-check,
 570 [  --disable-solaris-tar-check    disable solaris tar check],
 571    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 572
 573 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 574         AC_MSG_CHECKING(integrity of package)
 575         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 576         then
 577                 AC_MSG_RESULT(ok)
 578         else
 579                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 580                 AC_MSG_ERROR([$errorm])
 581         fi
 582 fi
 583
 584 if test "x$with_mcs_path" != "x"; then
 585 mcs_topdir=$(cd "$mcsdir" && pwd)
 586 mcs_topdir_from_srcdir=$mcs_topdir
 587 else
 588 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 589 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 590 fi
 591
 592 # Convert mcs_topdir* paths to Windows syntax.
 593 if test x$cross_compiling$host_win32 = xnoyes; then
 594   mcs_topdir=$(cygpath -m $mcs_topdir)
 595   case $mcs_topdir_from_srcdir in
 596     /cygdrive/*)
 597         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 598         ;;
 599   esac
 600 fi
 601
 602 AC_SUBST([mcs_topdir])
 603 AC_SUBST([mcs_topdir_from_srcdir])
 604
 605 # Where's the 'olive' source tree?
 606 if test -d $srcdir/olive; then
 607   olivedir=olive
 608 else
 609   olivedir=../olive
 610 fi
 611
 612 if test -d $srcdir/$olivedir; then
 613 olive_topdir='$(top_srcdir)/'$olivedir
 614 fi
 615
 616 # gettext: prepare the translation directories.
 617 # we do not configure the full gettext, as we consume it dynamically from C#
 618 AM_PO_SUBDIRS
 619
 620 if test "x$USE_NLS" = "xyes"; then
 621    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 622
 623    if test "x$HAVE_MSGFMT" = "xno"; then
 624           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 625    fi
 626 fi
 627
 628 AC_ARG_WITH([libgdiplus],
 629         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 630         [], [with_libgdiplus=installed])
 631
 632 case $with_libgdiplus in
 633 no|installed) libgdiplus_loc= ;;
 634 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 635 /*) libgdiplus_loc=$with_libgdiplus ;;
 636 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 637 esac
 638 AC_SUBST([libgdiplus_loc])
 639
 640 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 641
 642 pkg_config_path=
 643 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 644         if test x$with_crosspkgdir = "x"; then
 645                 if test -s $PKG_CONFIG_PATH; then
 646                         pkg_config_path=$PKG_CONFIG_PATH
 647                 fi
 648         else
 649                 pkg_config_path=$with_crosspkgdir
 650                 PKG_CONFIG_PATH=$pkg_config_path
 651                 export PKG_CONFIG_PATH
 652         fi
 653 )
 654
 655 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 656 AC_CONFIG_SUBDIRS(eglib)
 657
 658 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 659 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 660 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 661 BUILD_GLIB_LIBS="$GLIB_LIBS"
 662 GMODULE_CFLAGS="$GLIB_CFLAGS"
 663 GMODULE_LIBS="$GLIB_LIBS"
 664
 665 AC_SUBST(GLIB_CFLAGS)
 666 AC_SUBST(GLIB_LIBS)
 667 AC_SUBST(GMODULE_CFLAGS)
 668 AC_SUBST(GMODULE_LIBS)
 669 AC_SUBST(BUILD_GLIB_CFLAGS)
 670 AC_SUBST(BUILD_GLIB_LIBS)
 671
 672 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 673
 674 # Enable support for fast thread-local storage
 675 # Some systems have broken support, so we allow to disable it.
 676 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 677
 678 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 679 # This does not work on some platforms (bug #55253)
 680 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 681
 682 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 683 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 684 # Same as --with-shared_mono=no
 685 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 686
 687 if test "x$enable_static" = "xno"; then
 688    with_static_mono=no
 689 fi
 690
 691 if test "x$enable_shared" = "xno"; then
 692    with_shared_mono=no
 693 fi
 694
 695 if test "x$enable_libraries" = "xno"; then
 696    with_shared_mono=no
 697 fi
 698
 699 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 700
 701 case $host in
 702 *nacl* ) with_shared_mono=yes;;
 703 esac
 704
 705 if test "x$host_win32" = "xyes"; then
 706    # Boehm GC requires the runtime to be in its own dll
 707    with_static_mono=no
 708 fi
 709
 710 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 711 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 712 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 713
 714 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 715 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 716         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 717         ORIG_CFLAGS=$CFLAGS
 718         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 719         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 720         AC_TRY_COMPILE([], [
 721                 return 0;
 722         ], [
 723            AC_MSG_RESULT(yes)
 724            # Pass it to libgc as well
 725            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 726         ], [
 727            AC_MSG_RESULT(no)
 728            CFLAGS=$ORIG_CFLAGS
 729         ])
 730 fi
 731
 732 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 733
 734 if test x$enable_small_config = xyes; then
 735         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 736         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 737 fi
 738
 739 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 740
 741 DISABLED_FEATURES=none
 742
 743 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 744      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 745      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 746          sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 747 [
 748         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 749                 eval "mono_feature_disable_$feature='yes'"
 750         done
 751         DISABLED_FEATURES=$enable_minimal
 752         disabled="Disabled:      $enable_minimal"
 753 ],[])
 754
 755 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 756
 757 if test "x$mono_feature_disable_aot" = "xyes"; then
 758         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 759         AC_MSG_NOTICE([Disabled AOT compiler])
 760 fi
 761
 762 if test "x$mono_feature_disable_profiler" = "xyes"; then
 763         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 764         AC_MSG_NOTICE([Disabled support for the profiler])
 765 fi
 766 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 767
 768 if test "x$mono_feature_disable_decimal" = "xyes"; then
 769         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 770         AC_MSG_NOTICE([Disabled support for decimal])
 771 fi
 772
 773 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 774         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 775         AC_MSG_NOTICE([Disabled support for P/Invoke])
 776 fi
 777
 778 if test "x$mono_feature_disable_debug" = "xyes"; then
 779         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 780         AC_MSG_NOTICE([Disabled support for runtime debugging])
 781 fi
 782
 783 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 784         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 785         mono_feature_disable_reflection_emit_save=yes
 786         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 787 fi
 788
 789 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 790         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 791         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 792 fi
 793
 794 if test "x$mono_feature_disable_large_code" = "xyes"; then
 795         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 796         AC_MSG_NOTICE([Disabled support for large assemblies])
 797 fi
 798
 799 if test "x$mono_feature_disable_logging" = "xyes"; then
 800         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 801         AC_MSG_NOTICE([Disabled support for logging])
 802 fi
 803
 804 if test "x$mono_feature_disable_com" = "xyes"; then
 805         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 806         AC_MSG_NOTICE([Disabled COM support])
 807 fi
 808
 809 if test "x$mono_feature_disable_ssa" = "xyes"; then
 810         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 811         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 812 fi
 813
 814 if test "x$mono_feature_disable_generics" = "xyes"; then
 815         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 816         AC_MSG_NOTICE([Disabled Generics Support])
 817 fi
 818
 819 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 820         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 821         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 822 fi
 823
 824 if test "x$mono_feature_disable_portability" = "xyes"; then
 825         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 826         AC_MSG_NOTICE([Disabled IO Portability layer])
 827 fi
 828
 829 if test "x$mono_feature_disable_attach" = "xyes"; then
 830         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 831         AC_MSG_NOTICE([Disabled agent attach])
 832 fi
 833
 834 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 835         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 836         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 837 fi
 838
 839 if test "x$mono_feature_disable_verifier" = "xyes"; then
 840         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 841         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 842 fi
 843
 844 if test "x$mono_feature_disable_jit" = "xyes"; then
 845         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 846         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 847 fi
 848
 849 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 850
 851 if test "x$mono_feature_disable_simd" = "xyes"; then
 852         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 853         AC_MSG_NOTICE([Disabled SIMD support])
 854 fi
 855
 856 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 857         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 858         AC_MSG_NOTICE([Disabled Soft Debugger.])
 859 fi
 860
 861 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 862         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 863         AC_MSG_NOTICE([Disabled Performance Counters.])
 864 fi
 865 if test "x$mono_feature_disable_normalization" = "xyes"; then
 866         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 867         AC_MSG_NOTICE([Disabled String normalization support.])
 868 fi
 869
 870 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 871         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 872         AC_MSG_NOTICE([Disabled Assembly remapping.])
 873 fi
 874
 875 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 876         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 877         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 878 fi
 879
 880 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 881         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 882         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 883 fi
 884
 885 if test "x$mono_feature_disable_remoting" = "xyes"; then
 886         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 887         AC_MSG_NOTICE([Disabled remoting])
 888 fi
 889
 890 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 891         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 892         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 893 fi
 894
 895 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 896         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 897         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 898 fi
 899
 900 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 901         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 902         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 903 fi
 904
 905 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 906         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 907         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 908 fi
 909
 910 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 911         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 912         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 913 fi
 914
 915 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 916 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 917
 918 AC_ARG_ENABLE(extension-module, [  --enable-extension-module enables usage of the extension module], has_extension_module=$enableval, has_extension_module=no)
 919 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 920
 921 if test x$has_extension_module != xno ; then
 922         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 923         AC_MSG_NOTICE([Enabling mono extension module.])
 924 fi
 925
 926
 927 AC_MSG_CHECKING(for visibility __attribute__)
 928 AC_COMPILE_IFELSE([
 929         AC_LANG_SOURCE([[
 930                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 931                 int main () { doit (); return 0; }
 932         ]])
 933 ], [
 934    have_visibility_hidden=yes
 935    AC_MSG_RESULT(yes)
 936 ], [
 937    have_visibility_hidden=no
 938    AC_MSG_RESULT(no)
 939 ])
 940
 941 AC_MSG_CHECKING(for deprecated __attribute__)
 942 AC_TRY_COMPILE([
 943      int doit (void) __attribute__ ((deprecated));
 944      int doit (void) { return 0; }
 945 ], [
 946         return 0;
 947 ], [
 948    have_deprecated=yes
 949    AC_MSG_RESULT(yes)
 950 ], [
 951    have_deprecated=no
 952    AC_MSG_RESULT(no)
 953 ])
 954
 955 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 956 if test x$enable_parallel_mark = xyes; then
 957         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 958 fi
 959
 960 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 961 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 962
 963 dnl
 964 dnl Boehm GC configuration
 965 dnl
 966 LIBGC_CPPFLAGS=
 967 LIBGC_LIBS=
 968 LIBGC_STATIC_LIBS=
 969 libgc_dir=
 970 case "x$gc" in
 971         xboehm|xbohem|xyes)
 972                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 973                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 974
 975                 if test "x$found_boehm" != "xyes"; then
 976                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 977                 fi
 978                 if test "x$gc_headers" != "xyes"; then
 979                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 980                 fi
 981
 982                 LIBGC_LIBS="-lgc $libdl"
 983                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 984                 libmono_ldflags="$libmono_ldflags -lgc"
 985                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 986
 987                 # AC_CHECK_FUNCS does not work for some reason...
 988                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 989                 if test "x$found_gcj_malloc" = "xyes"; then
 990                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
 991                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
 992                         gc_msg="System Boehm with typed GC"
 993                 else
 994                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
 995                         gc_msg="System Boehm (without typed GC)"
 996                 fi
 997                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 998                 if test "x$found_gc_enable" = "xyes"; then
 999                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1000                 fi
1001
1002                 # check whether we need to explicitly allow
1003                 # thread registering
1004                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1005                 if test "x$found_allow_register_threads" = "xyes"; then
1006                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1007                 fi
1008
1009                 ;;
1010
1011         xincluded)
1012                 use_included_gc=yes
1013                 libgc_dir=libgc
1014
1015                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1016                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1017                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1018
1019                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1020
1021                 gc_msg="bundled Boehm GC with typed GC"
1022                 if test x$enable_parallel_mark = xyes; then
1023                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1024                         gc_msg="$gc_msg and parallel mark"
1025                 else
1026                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1027                 fi
1028                 ;;
1029
1030         xsgen)
1031                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1032                 ;;
1033
1034         xnone)
1035                 AC_MSG_WARN("Compiling mono without GC.")
1036                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1037                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1038                 ;;
1039         *)
1040                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1041                 ;;
1042 esac
1043
1044 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1045 if test "x$large_heap" = "xyes"; then
1046    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1047 fi
1048
1049 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1050 AC_SUBST(LIBGC_CPPFLAGS)
1051 AC_SUBST(LIBGC_LIBS)
1052 AC_SUBST(LIBGC_STATIC_LIBS)
1053 AC_SUBST(libgc_dir)
1054 AC_SUBST(BOEHM_DEFINES)
1055
1056 dnl
1057 dnl End of libgc checks
1058 dnl
1059
1060 dnl *************************************
1061 dnl *** Checks for zero length arrays ***
1062 dnl *************************************
1063 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1064 AC_TRY_COMPILE([
1065         struct s {
1066                 int  length;
1067                 char data [0];
1068         };
1069 ], [], [
1070         AC_MSG_RESULT(yes)
1071         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1072 ], [
1073         AC_MSG_RESULT(no)
1074         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1075 ])
1076
1077 if test x$target_win32 = xno; then
1078
1079         dnl hires monotonic clock support
1080         AC_SEARCH_LIBS(clock_gettime, rt)
1081
1082         dnl dynamic loader support
1083         AC_CHECK_FUNC(dlopen, DL_LIB="",
1084                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1085         )
1086         if test x$dl_support = xno; then
1087                 AC_MSG_WARN([No dynamic loading support available])
1088         else
1089                 LIBS="$LIBS $DL_LIB"
1090                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1091                 dnl from glib's configure.in
1092                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1093                         mono_cv_uscore,[
1094                         AC_TRY_RUN([#include <dlfcn.h>
1095                         int mono_underscore_test (void) { return 42; }
1096                         int main() {
1097                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1098                           handle = dlopen ((void*)0, 0);
1099                           if (handle) {
1100                             f1 = dlsym (handle, "mono_underscore_test");
1101                             f2 = dlsym (handle, "_mono_underscore_test");
1102                           } return (!f2 || f1);
1103                         }],
1104                                 [mono_cv_uscore=yes],
1105                                 [mono_cv_uscore=no],
1106                         [])
1107                 ])
1108                 if test "x$mono_cv_uscore" = "xyes"; then
1109                         MONO_DL_NEED_USCORE=1
1110                 else
1111                         MONO_DL_NEED_USCORE=0
1112                 fi
1113                 AC_SUBST(MONO_DL_NEED_USCORE)
1114                 AC_CHECK_FUNC(dlerror)
1115         fi
1116
1117         dnl ******************************************************************
1118         dnl *** Checks for the IKVM JNI interface library                  ***
1119         dnl ******************************************************************
1120         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])
1121
1122         ikvm_native_dir=
1123         if test x$with_ikvm_native = xyes; then
1124                 ikvm_native_dir=ikvm-native
1125                 jdk_headers_found="IKVM Native"
1126         fi
1127
1128         AC_SUBST(ikvm_native_dir)
1129
1130         AC_CHECK_HEADERS(execinfo.h)
1131
1132         AC_CHECK_FUNCS(getgrgid_r)
1133         AC_CHECK_FUNCS(getgrnam_r)
1134         AC_CHECK_FUNCS(getpwnam_r)
1135         AC_CHECK_FUNCS(getpwuid_r)
1136         AC_CHECK_FUNCS(getresuid)
1137         AC_CHECK_FUNCS(setresuid)
1138         AC_CHECK_FUNCS(kqueue)
1139         AC_CHECK_FUNCS(backtrace_symbols)
1140         AC_CHECK_FUNCS(mkstemp)
1141         AC_CHECK_FUNCS(mmap)
1142         AC_CHECK_FUNCS(madvise)
1143         AC_CHECK_FUNCS(getrusage)
1144         AC_CHECK_FUNCS(getpriority)
1145         AC_CHECK_FUNCS(setpriority)
1146         AC_CHECK_FUNCS(dl_iterate_phdr)
1147         AC_CHECK_FUNCS(dladdr)
1148         AC_CHECK_FUNCS(sysconf)
1149
1150         AC_CHECK_FUNCS(sched_setaffinity)
1151         AC_CHECK_FUNCS(sched_getcpu)
1152
1153         dnl ****************************************************************
1154         dnl *** Check for sched_setaffinity from glibc versions before   ***
1155         dnl *** 2.3.4. The older versions of the function only take 2    ***
1156         dnl *** parameters, not 3.                                       ***
1157         dnl ***                                                          ***
1158         dnl *** Because the interface change was not made in a minor     ***
1159         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1160         dnl *** won't always indicate the interface sched_affinity has.  ***
1161         dnl ****************************************************************
1162         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1163         AC_TRY_COMPILE([#include <sched.h>], [
1164             int mask = 1;
1165             sched_setaffinity(0, &mask);
1166                         return 0;
1167         ], [
1168                 # Yes, we have it...
1169                 AC_MSG_RESULT(yes)
1170                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1171         ], [
1172                 # We have the new, three-parameter version
1173                 AC_MSG_RESULT(no)
1174         ])
1175
1176
1177         dnl ******************************************************************
1178         dnl *** Check for large file support                               ***
1179         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1180         dnl ******************************************************************
1181
1182         # Check that off_t can represent 2**63 - 1 correctly, working around
1183         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1184         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1185         large_offt=no
1186         AC_DEFUN([LARGE_FILES], [
1187                 large_CPPFLAGS=$CPPFLAGS
1188                 CPPFLAGS="$CPPFLAGS $1"
1189                 AC_TRY_COMPILE([
1190                         #include <sys/types.h>
1191                         #include <limits.h>
1192                 ], [
1193                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1194                         #define COMPILE_TIME_ASSERT(pred) \
1195                                 switch(0){case 0:case pred:;}
1196                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1197                 ], [
1198                         AC_MSG_RESULT(ok)
1199                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1200                         large_CPPFLAGS="$large_CPPFLAGS $1"
1201                         large_offt=yes
1202                 ], [
1203                         AC_MSG_RESULT(no)
1204                 ])
1205                 CPPFLAGS=$large_CPPFLAGS
1206         ])
1207
1208         AC_MSG_CHECKING(if off_t is 64 bits wide)
1209         LARGE_FILES("")
1210         if test $large_offt = no; then
1211                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1212                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1213         fi
1214         if test $large_offt = no; then
1215                 AC_MSG_WARN([No 64 bit file size support available])
1216         fi
1217
1218         dnl *****************************
1219         dnl *** Checks for libsocket  ***
1220         dnl *****************************
1221         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1222
1223         case "$host" in
1224                 *-*-*freebsd*)
1225                         dnl *****************************
1226                         dnl *** Checks for libinotify ***
1227                         dnl *****************************
1228                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1229         esac
1230
1231         dnl *******************************
1232         dnl *** Checks for MSG_NOSIGNAL ***
1233         dnl *******************************
1234         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1235         AC_TRY_COMPILE([#include <sys/socket.h>], [
1236                 int f = MSG_NOSIGNAL;
1237         ], [
1238                 # Yes, we have it...
1239                 AC_MSG_RESULT(yes)
1240                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1241         ], [
1242                 # We'll have to use signals
1243                 AC_MSG_RESULT(no)
1244         ])
1245
1246         dnl *****************************
1247         dnl *** Checks for IPPROTO_IP ***
1248         dnl *****************************
1249         AC_MSG_CHECKING(for IPPROTO_IP)
1250         AC_TRY_COMPILE([#include <netinet/in.h>], [
1251                 int level = IPPROTO_IP;
1252         ], [
1253                 # Yes, we have it...
1254                 AC_MSG_RESULT(yes)
1255                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1256         ], [
1257                 # We'll have to use getprotobyname
1258                 AC_MSG_RESULT(no)
1259         ])
1260
1261         dnl *******************************
1262         dnl *** Checks for IPPROTO_IPV6 ***
1263         dnl *******************************
1264         AC_MSG_CHECKING(for IPPROTO_IPV6)
1265         AC_TRY_COMPILE([#include <netinet/in.h>], [
1266                 int level = IPPROTO_IPV6;
1267         ], [
1268                 # Yes, we have it...
1269                 AC_MSG_RESULT(yes)
1270                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1271         ], [
1272                 # We'll have to use getprotobyname
1273                 AC_MSG_RESULT(no)
1274         ])
1275
1276         dnl ******************************
1277         dnl *** Checks for IPPROTO_TCP ***
1278         dnl ******************************
1279         AC_MSG_CHECKING(for IPPROTO_TCP)
1280         AC_TRY_COMPILE([#include <netinet/in.h>], [
1281                 int level = IPPROTO_TCP;
1282         ], [
1283                 # Yes, we have it...
1284                 AC_MSG_RESULT(yes)
1285                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1286         ], [
1287                 # We'll have to use getprotobyname
1288                 AC_MSG_RESULT(no)
1289         ])
1290
1291         dnl *****************************
1292         dnl *** Checks for SOL_IP     ***
1293         dnl *****************************
1294         AC_MSG_CHECKING(for SOL_IP)
1295         AC_TRY_COMPILE([#include <netdb.h>], [
1296                 int level = SOL_IP;
1297         ], [
1298                 # Yes, we have it...
1299                 AC_MSG_RESULT(yes)
1300                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1301         ], [
1302                 # We'll have to use getprotobyname
1303                 AC_MSG_RESULT(no)
1304         ])
1305
1306         dnl *****************************
1307         dnl *** Checks for SOL_IPV6     ***
1308         dnl *****************************
1309         AC_MSG_CHECKING(for SOL_IPV6)
1310         AC_TRY_COMPILE([#include <netdb.h>], [
1311                 int level = SOL_IPV6;
1312         ], [
1313                 # Yes, we have it...
1314                 AC_MSG_RESULT(yes)
1315                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1316         ], [
1317                 # We'll have to use getprotobyname
1318                 AC_MSG_RESULT(no)
1319         ])
1320
1321         dnl *****************************
1322         dnl *** Checks for SOL_TCP    ***
1323         dnl *****************************
1324         AC_MSG_CHECKING(for SOL_TCP)
1325         AC_TRY_COMPILE([#include <netdb.h>], [
1326                 int level = SOL_TCP;
1327         ], [
1328                 # Yes, we have it...
1329                 AC_MSG_RESULT(yes)
1330                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1331         ], [
1332                 # We'll have to use getprotobyname
1333                 AC_MSG_RESULT(no)
1334         ])
1335
1336         dnl *****************************
1337         dnl *** Checks for IP_PKTINFO ***
1338         dnl *****************************
1339         AC_MSG_CHECKING(for IP_PKTINFO)
1340         AC_TRY_COMPILE([#include <linux/in.h>], [
1341                 int level = IP_PKTINFO;
1342         ], [
1343                 # Yes, we have it...
1344                 AC_MSG_RESULT(yes)
1345                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1346         ], [
1347                 AC_MSG_RESULT(no)
1348         ])
1349
1350         dnl *****************************
1351         dnl *** Checks for IPV6_PKTINFO ***
1352         dnl *****************************
1353         AC_MSG_CHECKING(for IPV6_PKTINFO)
1354         AC_TRY_COMPILE([#include <netdb.h>], [
1355                 int level = IPV6_PKTINFO;
1356         ], [
1357                 # Yes, we have it...
1358                 AC_MSG_RESULT(yes)
1359                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1360         ], [
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl **********************************
1365         dnl *** Checks for IP_DONTFRAG     ***
1366         dnl **********************************
1367         AC_MSG_CHECKING(for IP_DONTFRAG)
1368         AC_TRY_COMPILE([#include <netinet/in.h>], [
1369                 int level = IP_DONTFRAG;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1374         ], [
1375                 AC_MSG_RESULT(no)
1376         ])
1377
1378         dnl **********************************
1379         dnl *** Checks for IP_DONTFRAGMENT ***
1380         dnl **********************************
1381         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1382         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1383                 int level = IP_DONTFRAGMENT;
1384         ], [
1385                 # Yes, we have it...
1386                 AC_MSG_RESULT(yes)
1387                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1388         ], [
1389                 AC_MSG_RESULT(no)
1390         ])
1391
1392         dnl **********************************
1393         dnl *** Checks for IP_MTU_DISCOVER ***
1394         dnl **********************************
1395         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1396         AC_TRY_COMPILE([#include <linux/in.h>], [
1397                 int level = IP_MTU_DISCOVER;
1398         ], [
1399                 # Yes, we have it...
1400                 AC_MSG_RESULT(yes)
1401                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1402         ], [
1403                 AC_MSG_RESULT(no)
1404         ])
1405
1406         dnl **********************************
1407         dnl *** Checks for  IP_PMTUDISC_DO ***
1408         dnl **********************************
1409         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1410         AC_TRY_COMPILE([#include <linux/in.h>], [
1411                 int level = IP_PMTUDISC_DO;
1412         ], [
1413                 # Yes, we have it...
1414                 AC_MSG_RESULT(yes)
1415                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1416         ], [
1417                 AC_MSG_RESULT(no)
1418         ])
1419
1420         dnl *********************************
1421         dnl *** Check for struct ip_mreqn ***
1422         dnl *********************************
1423         AC_MSG_CHECKING(for struct ip_mreqn)
1424         AC_TRY_COMPILE([#include <netinet/in.h>], [
1425                 struct ip_mreqn mreq;
1426                 mreq.imr_address.s_addr = 0;
1427         ], [
1428                 # Yes, we have it...
1429                 AC_MSG_RESULT(yes)
1430                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1431         ], [
1432                 # We'll just have to try and use struct ip_mreq
1433                 AC_MSG_RESULT(no)
1434                 AC_MSG_CHECKING(for struct ip_mreq)
1435                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1436                         struct ip_mreq mreq;
1437                         mreq.imr_interface.s_addr = 0;
1438                 ], [
1439                         # Yes, we have it...
1440                         AC_MSG_RESULT(yes)
1441                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1442                 ], [
1443                         # No multicast support
1444                         AC_MSG_RESULT(no)
1445                 ])
1446         ])
1447
1448         dnl **********************************
1449         dnl *** Check for gethostbyname2_r ***
1450         dnl **********************************
1451         AC_MSG_CHECKING(for gethostbyname2_r)
1452                 AC_TRY_LINK([#include <netdb.h>], [
1453                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1454         ], [
1455                 # Yes, we have it...
1456                 AC_MSG_RESULT(yes)
1457                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1458         ], [
1459                 AC_MSG_RESULT(no)
1460         ])
1461
1462         dnl *****************************
1463         dnl *** Checks for libnsl     ***
1464         dnl *****************************
1465         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1466
1467         AC_CHECK_FUNCS(inet_pton inet_aton)
1468
1469         dnl ***********************************************
1470         dnl *** Checks for size of sockaddr_un.sun_path ***
1471         dnl ***********************************************
1472         # AC_CHECK_SIZEOF can't cope with struct members :-(
1473         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1474         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1475                 [AC_TRY_RUN([
1476                         #include <sys/types.h>
1477                         #include <stdio.h>
1478                         #include <sys/un.h>
1479
1480                         int main(void) {
1481                                 struct sockaddr_un sock_un;
1482                                 FILE *f=fopen("conftestval", "w");
1483                                 if(!f) exit(1);
1484                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1485                                 exit(0);
1486                         }
1487                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1488                    mono_cv_sizeof_sunpath=0,
1489                    mono_cv_sizeof_sunpath=0)])dnl
1490         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1491         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1492
1493         dnl *****************************
1494         dnl *** Checks for libxnet    ***
1495         dnl *****************************
1496         case "${host}" in
1497                 *solaris* )
1498                         AC_MSG_CHECKING(for Solaris XPG4 support)
1499                         if test -f /usr/lib/libxnet.so; then
1500                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1501                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1502                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1503                                 LIBS="$LIBS -lxnet"
1504                                 AC_MSG_RESULT(yes)
1505                         else
1506                                 AC_MSG_RESULT(no)
1507                         fi
1508
1509                         if test "$GCC" = "yes"; then
1510                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1511                         fi
1512                 ;;
1513         esac
1514
1515         dnl *****************************
1516         dnl *** Checks for libpthread ***
1517         dnl *****************************
1518 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1519 # and libpthread does not exist
1520 #
1521         case "${host}" in
1522                 *-*-*freebsd*)
1523                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1524                 ;;
1525                 *-*-*openbsd*)
1526                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1527                 ;;
1528                 *)
1529                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1530                 ;;
1531         esac
1532         AC_CHECK_HEADERS(pthread.h)
1533         AC_CHECK_HEADERS(pthread_np.h)
1534         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1535         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
1536         AC_CHECK_FUNCS(pthread_kill)
1537         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1538         AC_TRY_COMPILE([ #include <pthread.h>], [
1539                 pthread_mutexattr_t attr;
1540                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1541         ], [
1542                 AC_MSG_RESULT(ok)
1543         ], [
1544                 AC_MSG_RESULT(no)
1545                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
1546                 AC_DEFINE(USE_MONO_MUTEX, 1, [Use mono_mutex_t])
1547         ])
1548         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1549         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1550         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1551
1552         dnl ***********************************
1553         dnl *** Checks for signals
1554         dnl ***********************************
1555         AC_CHECK_HEADERS(signal.h)
1556         AC_CHECK_FUNCS(sigaction)
1557
1558         dnl ***********************************
1559         dnl *** Checks for working __thread ***
1560         dnl ***********************************
1561         AC_MSG_CHECKING(for working __thread)
1562         if test "x$with_tls" != "x__thread"; then
1563                 AC_MSG_RESULT(disabled)
1564         else
1565                 AC_TRY_RUN([
1566                         #include <pthread.h>
1567                         __thread int i;
1568                         static int res1, res2;
1569
1570                         void thread_main (void *arg)
1571                         {
1572                                 i = arg;
1573                                 sleep (1);
1574                                 if (arg == 1)
1575                                         res1 = (i == arg);
1576                                 else
1577                                         res2 = (i == arg);
1578                         }
1579
1580                         int main () {
1581                                 pthread_t t1, t2;
1582
1583                                 i = 5;
1584
1585                                 pthread_create (&t1, NULL, thread_main, 1);
1586                                 pthread_create (&t2, NULL, thread_main, 2);
1587
1588                                 pthread_join (t1, NULL);
1589                                 pthread_join (t2, NULL);
1590
1591                                 return !(res1 + res2 == 2);
1592                         }
1593                 ], [
1594                                 AC_MSG_RESULT(yes)
1595                 ], [
1596                                 AC_MSG_RESULT(no)
1597                                 with_tls=pthread
1598                 ])
1599         fi
1600
1601         dnl **************************************
1602         dnl *** Checks for working sigaltstack ***
1603         dnl **************************************
1604         AC_MSG_CHECKING(for working sigaltstack)
1605         if test "x$with_sigaltstack" != "xyes"; then
1606                 AC_MSG_RESULT(disabled)
1607         else
1608                 AC_TRY_RUN([
1609                         #include <stdio.h>
1610                         #include <stdlib.h>
1611                         #include <unistd.h>
1612                         #include <signal.h>
1613                         #include <pthread.h>
1614                         #include <sys/wait.h>
1615                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1616                         #define SA_STACK SA_ONSTACK
1617                         #endif
1618                         static void
1619                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1620                         {
1621                                 exit (0);
1622                         }
1623
1624                         volatile char*__ptr = NULL;
1625                         static void *
1626                         loop (void *ignored)
1627                         {
1628                                 *__ptr = 0;
1629                                 return NULL;
1630                         }
1631
1632                         static void
1633                         child ()
1634                         {
1635                                 struct sigaction sa;
1636                         #ifdef __APPLE__
1637                                 stack_t sas;
1638                         #else
1639                                 struct sigaltstack sas;
1640                         #endif
1641                                 pthread_t id;
1642                                 pthread_attr_t attr;
1643
1644                                 sa.sa_sigaction = sigsegv_signal_handler;
1645                                 sigemptyset (&sa.sa_mask);
1646                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1647                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1648                                         perror ("sigaction");
1649                                         return;
1650                                 }
1651
1652                                 /* x86 darwin deliver segfaults using SIGBUS */
1653                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1654                                         perror ("sigaction");
1655                                         return;
1656                                 }
1657                                 sas.ss_sp = malloc (SIGSTKSZ);
1658                                 sas.ss_size = SIGSTKSZ;
1659                                 sas.ss_flags = 0;
1660                                 if (sigaltstack (&sas, NULL) == -1) {
1661                                         perror ("sigaltstack");
1662                                         return;
1663                                 }
1664
1665                                 pthread_attr_init (&attr);
1666                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1667                                         printf ("pthread_create\n");
1668                                         return;
1669                                 }
1670
1671                                 sleep (100);
1672                         }
1673
1674                         int
1675                         main ()
1676                         {
1677                                 pid_t son;
1678                                 int status;
1679                                 int i;
1680
1681                                 son = fork ();
1682                                 if (son == -1) {
1683                                         return 1;
1684                                 }
1685
1686                                 if (son == 0) {
1687                                         child ();
1688                                         return 0;
1689                                 }
1690
1691                                 for (i = 0; i < 300; ++i) {
1692                                         waitpid (son, &status, WNOHANG);
1693                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1694                                                 return 0;
1695                                         usleep (10000);
1696                                 }
1697
1698                                 kill (son, SIGKILL);
1699                                 return 1;
1700                         }
1701
1702                 ], [
1703                                 AC_MSG_RESULT(yes)
1704                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1705                 ], [
1706                                 with_sigaltstack=no
1707                                 AC_MSG_RESULT(no)
1708                 ])
1709         fi
1710
1711         dnl ********************************
1712         dnl *** Checks for semaphore lib ***
1713         dnl ********************************
1714         # 'Real Time' functions on Solaris
1715         # posix4 on Solaris 2.6
1716         # pthread (first!) on Linux
1717         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1718
1719         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1720         AC_CHECK_FUNCS(shm_open)
1721
1722         dnl ********************************
1723         dnl *** Checks for timezone stuff **
1724         dnl ********************************
1725         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1726                 AC_TRY_COMPILE([
1727                         #include <time.h>
1728                         ], [
1729                         struct tm tm;
1730                         tm.tm_gmtoff = 1;
1731                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1732         if test $ac_cv_struct_tm_gmtoff = yes; then
1733                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1734         else
1735                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1736                         AC_TRY_COMPILE([
1737                                 #include <time.h>
1738                         ], [
1739                                 timezone = 1;
1740                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1741                 if test $ac_cv_var_timezone = yes; then
1742                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1743                 else
1744                         AC_ERROR(unable to find a way to determine timezone)
1745                 fi
1746         fi
1747
1748         dnl *********************************
1749         dnl *** Checks for math functions ***
1750         dnl *********************************
1751         AC_SEARCH_LIBS(sqrtf, m)
1752         if test "x$has_broken_apple_cpp" != "xyes"; then
1753                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1754                         AC_TRY_LINK([#include <math.h>],
1755                         [ finite(0.0); ],
1756                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1757                         AC_MSG_RESULT(no)))
1758         fi
1759         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1760                 AC_TRY_LINK([#include <math.h>],
1761                 [ isfinite(0.0); ],
1762                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1763                 AC_MSG_RESULT(no)))
1764
1765         dnl ****************************************************************
1766         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1767         dnl *** have it in the library (duh))                            ***
1768         dnl ****************************************************************
1769         AC_CHECK_FUNCS(poll)
1770
1771         dnl *************************
1772         dnl *** Check for signbit ***
1773         dnl *************************
1774         AC_MSG_CHECKING(for signbit)
1775         AC_TRY_LINK([#include <math.h>], [
1776                 int s = signbit(1.0);
1777         ], [
1778                 AC_MSG_RESULT(yes)
1779                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1780         ], [
1781                 AC_MSG_RESULT(no)
1782         ])
1783
1784         dnl **********************************
1785         dnl *** epoll                      ***
1786         dnl **********************************
1787         AC_CHECK_HEADERS(sys/epoll.h)
1788         haveepoll=no
1789         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1790         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes" ; then
1791                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1792         fi
1793
1794         havekqueue=no
1795         AC_CHECK_FUNCS(kqueue, , AC_MSG_CHECKING(for kqueue in sys/event.h)
1796                 AC_TRY_LINK([#include <sys/event.h>],
1797                 [ kqueue(); ],[havekqueue=yes],[]))
1798
1799         dnl **************************************
1800         dnl * Darwin has a race that prevents us from using reliably:
1801         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1802         dnl * Since kqueue is mostly used for scaling large web servers,
1803         dnl * and very few folks run Mono on large web servers on OSX, falling
1804         dnl * back
1805         dnl **************************************
1806         if test x$havekqueue = xyes; then
1807                 if x$platform_darwin = xno; then
1808                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1809                 fi
1810         fi
1811
1812         dnl ******************************
1813         dnl *** Checks for SIOCGIFCONF ***
1814         dnl ******************************
1815         AC_CHECK_HEADERS(sys/ioctl.h)
1816         AC_CHECK_HEADERS(net/if.h, [], [],
1817            [
1818            #ifdef HAVE_SYS_TYPES_H
1819            # include <sys/types.h>
1820            #endif
1821            #ifdef HAVE_SYS_SOCKET_H
1822            # include <sys/socket.h>
1823            #endif
1824            ])
1825         AC_MSG_CHECKING(for ifreq)
1826         AC_TRY_COMPILE([
1827                 #include <stdio.h>
1828                 #include <sys/ioctl.h>
1829                 #include <net/if.h>
1830                 ], [
1831                 struct ifconf ifc;
1832                 struct ifreq *ifr;
1833                 void *x;
1834                 ifc.ifc_len = 0;
1835                 ifc.ifc_buf = NULL;
1836                 x = (void *) &ifr->ifr_addr;
1837                 ],[
1838                         AC_MSG_RESULT(yes)
1839                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1840                 ], [
1841                         AC_MSG_RESULT(no)
1842                 ])
1843         dnl **********************************
1844         dnl ***     Checks for sin_len     ***
1845         dnl **********************************
1846         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1847         AC_TRY_COMPILE([
1848                 #include <netinet/in.h>
1849                 ], [
1850                 struct sockaddr_in saddr;
1851                 saddr.sin_len = sizeof (saddr);
1852                 ],[
1853                         AC_MSG_RESULT(yes)
1854                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1855                 ], [
1856                         AC_MSG_RESULT(no)
1857                 ])
1858         dnl **********************************
1859         dnl ***    Checks for sin6_len     ***
1860         dnl **********************************
1861         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1862         AC_TRY_COMPILE([
1863                 #include <netinet/in.h>
1864                 ], [
1865                 struct sockaddr_in6 saddr6;
1866                 saddr6.sin6_len = sizeof (saddr6);
1867                 ],[
1868                         AC_MSG_RESULT(yes)
1869                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1870                 ], [
1871                         AC_MSG_RESULT(no)
1872                 ])
1873         dnl **********************************
1874         dnl *** Check for getifaddrs       ***
1875         dnl **********************************
1876         AC_MSG_CHECKING(for getifaddrs)
1877                 AC_TRY_LINK([
1878                 #include <stdio.h>
1879                 #include <sys/types.h>
1880                 #include <sys/socket.h>
1881                 #include <ifaddrs.h>
1882         ], [
1883                 getifaddrs(NULL);
1884         ], [
1885                 # Yes, we have it...
1886                 AC_MSG_RESULT(yes)
1887                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1888         ], [
1889                 AC_MSG_RESULT(no)
1890         ])
1891         dnl **********************************
1892         dnl *** Check for if_nametoindex   ***
1893         dnl **********************************
1894         AC_MSG_CHECKING(for if_nametoindex)
1895                 AC_TRY_LINK([
1896                 #include <stdio.h>
1897                 #include <sys/types.h>
1898                 #include <sys/socket.h>
1899                 #include <net/if.h>
1900         ], [
1901                 if_nametoindex(NULL);
1902         ], [
1903                 # Yes, we have it...
1904                 AC_MSG_RESULT(yes)
1905                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1906         ], [
1907                 AC_MSG_RESULT(no)
1908         ])
1909
1910         dnl **********************************
1911         dnl *** Checks for MonoPosixHelper ***
1912         dnl **********************************
1913         AC_CHECK_HEADERS(checklist.h)
1914         AC_CHECK_HEADERS(pathconf.h)
1915         AC_CHECK_HEADERS(fstab.h)
1916         AC_CHECK_HEADERS(attr/xattr.h)
1917         AC_CHECK_HEADERS(sys/extattr.h)
1918         AC_CHECK_HEADERS(sys/sendfile.h)
1919         AC_CHECK_HEADERS(sys/statvfs.h)
1920         AC_CHECK_HEADERS(sys/statfs.h)
1921         AC_CHECK_HEADERS(sys/vfstab.h)
1922         AC_CHECK_HEADERS(sys/xattr.h)
1923         AC_CHECK_HEADERS(sys/mman.h)
1924         AC_CHECK_HEADERS(sys/param.h)
1925         AC_CHECK_HEADERS(sys/mount.h, [], [],
1926                 [
1927                 #ifdef HAVE_SYS_PARAM_H
1928                 # include <sys/param.h>
1929                 #endif
1930                 ])
1931         AC_CHECK_HEADERS(sys/mount.h)
1932         AC_CHECK_FUNCS(confstr)
1933         AC_CHECK_FUNCS(seekdir telldir)
1934         AC_CHECK_FUNCS(getdomainname)
1935         AC_CHECK_FUNCS(setdomainname)
1936         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1937         AC_CHECK_FUNCS(setgroups)
1938         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1939         AC_CHECK_FUNCS(getfsstat)
1940         AC_CHECK_FUNCS(lutimes futimes)
1941         AC_CHECK_FUNCS(mremap)
1942         AC_CHECK_FUNCS(remap_file_pages)
1943         AC_CHECK_FUNCS(posix_fadvise)
1944         AC_CHECK_FUNCS(posix_fallocate)
1945         AC_CHECK_FUNCS(posix_madvise)
1946         AC_CHECK_FUNCS(vsnprintf)
1947         AC_CHECK_FUNCS(sendfile)
1948         AC_CHECK_FUNCS(gethostid sethostid)
1949         AC_CHECK_FUNCS(sethostname)
1950         AC_CHECK_FUNCS(statfs)
1951         AC_CHECK_FUNCS(fstatfs)
1952         AC_CHECK_FUNCS(statvfs)
1953         AC_CHECK_FUNCS(fstatvfs)
1954         AC_CHECK_FUNCS(stime)
1955         AC_CHECK_FUNCS(strerror_r)
1956         AC_CHECK_FUNCS(ttyname_r)
1957         AC_CHECK_FUNCS(psignal)
1958         AC_CHECK_FUNCS(getlogin_r)
1959         AC_CHECK_FUNCS(lockf)
1960         AC_CHECK_FUNCS(swab)
1961         AC_CHECK_FUNCS(setusershell endusershell)
1962         AC_CHECK_SIZEOF(size_t)
1963         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
1964                 [#include <sys/types.h>
1965                  #include <sys/stat.h>
1966                  #include <unistd.h>])
1967         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
1968                 [#include <sys/types.h>
1969                  #include <sys/stat.h>
1970                  #include <unistd.h>])
1971         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
1972                 [#include <sys/time.h>])
1973         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
1974                 [#include <unistd.h>
1975                  #include <fcntl.h>])
1976         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
1977                 [#include <sys/poll.h>])
1978         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
1979                 [#include <sys/types.h>
1980                  #include <sys/stat.h>
1981                  #include <unistd.h>])
1982         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
1983                 [#include <time.h>])
1984         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
1985                 [#include <sys/time.h>
1986                  #include <sys/types.h>
1987                  #include <utime.h>])
1988         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
1989                 [#include <sys/time.h>])
1990         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
1991                 [#include <sys/types.h>
1992                  #include <utime.h>])
1993         AC_CHECK_MEMBERS(
1994                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1995                 [#include <sys/types.h>
1996                  #include <dirent.h>])
1997         AC_CHECK_MEMBERS(
1998                 [struct passwd.pw_gecos],,,
1999                 [#include <sys/types.h>
2000                  #include <pwd.h>])
2001         AC_CHECK_MEMBERS(
2002                 [struct statfs.f_flags],,,
2003                 [#include <sys/types.h>
2004                  #include <sys/vfs.h>])
2005
2006         dnl Favour xattr through glibc, but use libattr if we have to
2007         AC_CHECK_FUNC(lsetxattr, ,
2008                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2009         )
2010         AC_SUBST(XATTR_LIB)
2011
2012         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2013         AC_CHECK_MEMBERS(
2014                 [struct kinfo_proc.kp_proc],,,
2015                 [#include <sys/types.h>
2016                  #include <sys/param.h>
2017                  #include <sys/sysctl.h>
2018                  #include <sys/proc.h>
2019                  ])
2020
2021         dnl *********************************
2022         dnl *** Checks for Windows compilation ***
2023         dnl *********************************
2024         AC_CHECK_HEADERS(sys/time.h)
2025         AC_CHECK_HEADERS(sys/param.h)
2026         AC_CHECK_HEADERS(dirent.h)
2027
2028         dnl ******************************************
2029         dnl *** Checks for OSX and iOS compilation ***
2030         dnl ******************************************
2031         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2032
2033         dnl *********************************
2034         dnl *** Check for Console 2.0 I/O ***
2035         dnl *********************************
2036         AC_CHECK_HEADERS([curses.h])
2037         AC_CHECK_HEADERS([term.h], [], [],
2038         [#if HAVE_CURSES_H
2039          #include <curses.h>
2040          #endif
2041         ])
2042         AC_CHECK_HEADERS([termios.h])
2043
2044         dnl * This is provided in io-layer, but on windows it's only available
2045         dnl * on xp+
2046         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2047 else
2048         dnl *********************************
2049         dnl *** Checks for Windows compilation ***
2050         dnl *********************************
2051         AC_CHECK_HEADERS(winternl.h)
2052
2053         jdk_headers_found=no
2054         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2055         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2056         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2057         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2058         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2059         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2060         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2061
2062         dnl *********************************
2063         dnl *** Check for struct ip_mreqn ***
2064         dnl *********************************
2065         AC_MSG_CHECKING(for struct ip_mreqn)
2066         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2067                 struct ip_mreqn mreq;
2068                 mreq.imr_address.s_addr = 0;
2069         ], [
2070                 # Yes, we have it...
2071                 AC_MSG_RESULT(yes)
2072                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2073         ], [
2074                 # We'll just have to try and use struct ip_mreq
2075                 AC_MSG_RESULT(no)
2076                 AC_MSG_CHECKING(for struct ip_mreq)
2077                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2078                         struct ip_mreq mreq;
2079                         mreq.imr_interface.s_addr = 0;
2080                 ], [
2081                         # Yes, we have it...
2082                         AC_MSG_RESULT(yes)
2083                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2084                 ], [
2085                         # No multicast support
2086                         AC_MSG_RESULT(no)
2087                 ])
2088         ])
2089         AC_CHECK_FUNCS(GetProcessId)
2090 fi
2091
2092 dnl socklen_t check
2093 AC_MSG_CHECKING(for socklen_t)
2094 AC_TRY_COMPILE([
2095 #include <sys/types.h>
2096 #include <sys/socket.h>
2097 ],[
2098   socklen_t foo;
2099 ],[
2100 ac_cv_c_socklen_t=yes
2101         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2102         AC_MSG_RESULT(yes)
2103 ],[
2104         AC_MSG_RESULT(no)
2105 ])
2106
2107 AC_MSG_CHECKING(for array element initializer support)
2108 AC_TRY_COMPILE([#include <sys/socket.h>], [
2109         const int array[] = {[1] = 2,};
2110 ], [
2111         # Yes, we have it...
2112         AC_MSG_RESULT(yes)
2113         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2114 ], [
2115         # We'll have to use signals
2116         AC_MSG_RESULT(no)
2117 ])
2118
2119 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2120         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2121         AC_TRY_LINK([#include <math.h>],
2122         [ static void *p = &trunc; ],
2123         [
2124                 AC_DEFINE(HAVE_TRUNC)
2125                 AC_MSG_RESULT(yes)
2126                 ac_cv_trunc=yes
2127         ],
2128         AC_MSG_RESULT(no)))
2129
2130 if test "x$ac_cv_truncl" != "xyes"; then
2131    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2132 fi
2133
2134 AC_CHECK_FUNCS(round)
2135 AC_CHECK_FUNCS(rint)
2136 AC_CHECK_FUNCS(execvp)
2137
2138 dnl ****************************
2139 dnl *** Look for /dev/random ***
2140 dnl ****************************
2141
2142 AC_MSG_CHECKING([if usage of random device is requested])
2143 AC_ARG_ENABLE(dev-random,
2144 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2145 try_dev_random=$enableval, try_dev_random=yes)
2146
2147 AC_MSG_RESULT($try_dev_random)
2148
2149 case "{$build}" in
2150     *-openbsd*)
2151     NAME_DEV_RANDOM="/dev/srandom"
2152     ;;
2153
2154 dnl Win32 does not have /dev/random, they have their own method...
2155
2156     *-mingw*|*-*-cygwin*)
2157     ac_cv_have_dev_random=no
2158     ;;
2159
2160 dnl Everywhere else, it's /dev/random
2161
2162     *)
2163     NAME_DEV_RANDOM="/dev/random"
2164     ;;
2165 esac
2166
2167 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2168
2169 dnl Now check if the device actually exists
2170
2171 if test "x$try_dev_random" = "xyes"; then
2172     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2173     [if test -r "$NAME_DEV_RANDOM" ; then
2174         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2175     if test "x$ac_cv_have_dev_random" = "xyes"; then
2176         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2177     fi
2178 else
2179     AC_MSG_CHECKING(for random device)
2180     ac_cv_have_dev_random=no
2181     AC_MSG_RESULT(has been disabled)
2182 fi
2183
2184 if test "x$host_win32" = "xyes"; then
2185     AC_DEFINE(HAVE_CRYPT_RNG)
2186 fi
2187
2188 if test "x$ac_cv_have_dev_random" = "xno" \
2189     && test "x$host_win32" = "xno"; then
2190     AC_MSG_WARN([[
2191 ***
2192 *** A system-provided entropy source was not found on this system.
2193 *** Because of this, the System.Security.Cryptography random number generator
2194 *** will throw a NotImplemented exception.
2195 ***
2196 *** If you are seeing this message, and you know your system DOES have an
2197 *** entropy collection in place, please contact <crichton@gimp.org> and
2198 *** provide information about the system and how to access the random device.
2199 ***
2200 *** Otherwise you can install either egd or prngd and set the environment
2201 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2202 ***]])
2203 fi
2204
2205 AC_MSG_CHECKING([if inter-process shared handles are requested])
2206 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2207 AC_MSG_RESULT($try_shared_handles)
2208 if test "x$try_shared_handles" != "xyes"; then
2209         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2210         AC_SUBST(DISABLE_SHARED_HANDLES)
2211 fi
2212
2213 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2214
2215 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2216 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2217
2218 AC_MSG_CHECKING([if big-arrays are to be enabled])
2219 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2220 if test "x$enable_big_arrays" = "xyes" ; then
2221     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2222         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2223     else
2224         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2225     fi
2226 fi
2227 AC_MSG_RESULT($enable_big_arrays)
2228
2229 dnl **************
2230 dnl *** DTRACE ***
2231 dnl **************
2232
2233 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2234
2235 if test "x$enable_dtrace" = "xyes"; then
2236    if test "x$has_dtrace" = "xno"; then
2237           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2238    fi
2239    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2240    if test "x$DTRACE" = "xno"; then
2241           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2242           enable_dtrace=no
2243    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2244           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2245           enable_dtrace=no
2246    fi
2247 fi
2248
2249 dtrace_g=no
2250 if test "x$enable_dtrace" = "xyes"; then
2251         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2252         DTRACEFLAGS=
2253         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2254                 case "$host" in
2255                         powerpc-*-darwin*)
2256                         DTRACEFLAGS="-arch ppc64"
2257                         ;;
2258                         i*86-*-darwin*)
2259                         DTRACEFLAGS="-arch x86_64"
2260                         ;;
2261                         *)
2262                         DTRACEFLAGS=-64
2263                         ;;
2264                 esac
2265         else
2266                 case "$host" in
2267                         powerpc-*-darwin*)
2268                         DTRACEFLAGS="-arch ppc"
2269                         ;;
2270                         i*86-*-darwin*)
2271                         DTRACEFLAGS="-arch i386"
2272                         ;;
2273                         *)
2274                         DTRACEFLAGS=-32
2275                         ;;
2276                 esac
2277         fi
2278         AC_SUBST(DTRACEFLAGS)
2279         case "$host" in
2280                 *-*-solaris*)
2281                 dtrace_g=yes
2282                 ;;
2283         esac
2284         AC_CHECK_HEADERS([sys/sdt.h])
2285 fi
2286 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2287 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2288
2289 dnl **************
2290 dnl ***  NaCl  ***
2291 dnl **************
2292
2293 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2294 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2295
2296 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2297 if test "x$enable_nacl_codegen" = "xyes"; then
2298    MONO_NACL_ALIGN_MASK_OFF=1
2299    CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
2300    AC_DEFINE(TARGET_NACL, 1, [...])
2301 else
2302    MONO_NACL_ALIGN_MASK_OFF=0
2303    CPPFLAGS="$CPPFLAGS -D__default_codegen__"
2304 fi
2305 if test "x$enable_nacl_gc" = "xyes"; then
2306    CPPFLAGS="$CPPFLAGS -finstrument-for-thread-suspension -D__native_client_gc__"
2307 fi
2308 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2309
2310 dnl **************
2311 dnl ***  LLVM  ***
2312 dnl **************
2313
2314 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2315 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2316
2317 if test "x$enable_llvm" = "xyes"; then
2318    AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2319    if test "x$LLVM_CONFIG" = "xno"; then
2320           AC_MSG_ERROR([llvm-config not found.])
2321    fi
2322
2323    llvm_codegen="x86codegen"
2324    case "$target" in
2325    arm*)
2326                 llvm_codegen="armcodegen"
2327                 ;;
2328    esac
2329
2330
2331    # The output of --cflags seems to include optimizations flags too
2332    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2333    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2334    # from LLVM classes.
2335    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2336    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2337    LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2338    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
2339
2340    # Should be something like '2.6' or '2.7svn'
2341    llvm_version=`$LLVM_CONFIG --version`
2342    major_version=`echo $llvm_version | cut -c 1`
2343    minor_version=`echo $llvm_version | cut -c 3`
2344    AC_MSG_CHECKING(LLVM version)
2345    AC_MSG_RESULT($llvm_version)
2346    if echo $llvm_version | grep -q 'mono'; then
2347           AC_DEFINE(LLVM_MONO_BRANCH, 1, [Whenever we are using the mono branch of LLVM])
2348           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MONO_BRANCH"
2349    else
2350           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.])
2351    fi
2352
2353    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2354    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2355    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2356
2357    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2358    # llvm's config.h
2359    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2360
2361    AC_SUBST(LLVM_CFLAGS)
2362    AC_SUBST(LLVM_CXXFLAGS)
2363    AC_SUBST(LLVM_LIBS)
2364    AC_SUBST(LLVM_LDFLAGS)
2365    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2366 fi
2367
2368 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2369 if test "x$enable_loadedllvm" = "xyes"; then
2370    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2371 fi
2372 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2373
2374 TARGET="unknown"
2375 ACCESS_UNALIGNED="yes"
2376
2377 JIT_SUPPORTED=no
2378 INTERP_SUPPORTED=no
2379 LIBC="libc.so.6"
2380 INTL="libc.so.6"
2381 SQLITE="libsqlite.so.0"
2382 SQLITE3="libsqlite3.so.0"
2383 X11="libX11.so"
2384
2385 sizeof_register="SIZEOF_VOID_P"
2386
2387 jit_wanted=true
2388 interp_wanted=false
2389 sgen_supported=false
2390 case "$host" in
2391 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
2392 #               TARGET=MIPS;
2393 #               ACCESS_UNALIGNED="no"
2394 #               ;;
2395         mips*)
2396                 TARGET=MIPS;
2397                 arch_target=mips;
2398                 sgen_supported=true
2399                 ACCESS_UNALIGNED="no"
2400                 JIT_SUPPORTED=yes
2401
2402                 AC_MSG_CHECKING(for mips n32)
2403                 AC_TRY_COMPILE([],[
2404                 #if _MIPS_SIM != _ABIN32
2405                 #error Not mips n32
2406                 #endif
2407                 return 0;
2408                 ],[
2409                 AC_MSG_RESULT(yes)
2410                 sizeof_register=8
2411                 ],[
2412                 AC_MSG_RESULT(no)
2413                 ])
2414                 ;;
2415         i*86-*-*)
2416                 TARGET=X86;
2417                 arch_target=x86;
2418                 JIT_SUPPORTED=yes
2419                 case $host_os in
2420                   solaris*)
2421                         LIBC="libc.so"
2422                         INTL="libintl.so"
2423                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2424                                 TARGET=AMD64
2425                                 arch_target=amd64
2426                         fi
2427
2428                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2429                         # int astruct __attribute__ ((visibility ("hidden")));
2430                         # void foo ()
2431                         # {
2432                         #       void *p = &astruct;
2433                         # }
2434                         # gcc -fPIC --shared -o libfoo.so foo.c
2435                         # yields:
2436                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2437                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2438                         have_visibility_hidden=no
2439                         sgen_supported=true
2440                         ;;
2441                   cygwin*)
2442                         sgen_supported=true
2443                         have_visibility_hidden=no
2444                         ;;
2445                   haiku*)
2446                         LIBC=libroot.so
2447                         ;;
2448                   linux*)
2449                         sgen_supported=true
2450                         AOT_SUPPORTED="yes"
2451                         ;;
2452                   darwin*)
2453                         sgen_supported=true
2454                         AOT_SUPPORTED="yes"
2455                         ;;
2456                   darwin*|openbsd*|freebsd*)
2457                         sgen_supported=true
2458                         ;;
2459                 esac
2460                 ;;
2461         x86_64-*-* | amd64-*-*)
2462                 TARGET=AMD64;
2463                 arch_target=amd64;
2464                 JIT_SUPPORTED=yes
2465                 case $host_os in
2466                   linux*)
2467                         sgen_supported=true
2468                         AOT_SUPPORTED="yes"
2469                         ;;
2470                   darwin*|openbsd*|freebsd*)
2471                         sgen_supported=true
2472                         ;;
2473                 esac
2474                 case "$host" in
2475                         x86_64-*-nacl*)
2476                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2477                                 sizeof_register=8
2478                                 ;;
2479                 esac
2480                 ;;
2481         ia64-*-*)
2482                 TARGET=IA64
2483                 arch_target=ia64
2484                 ACCESS_UNALIGNED="no"
2485                 JIT_SUPPORTED=yes
2486                 LIBC="libc.so.6.1"
2487                 INTL="libc.so.6.1"
2488                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2489                 libmono_ldflags="-lunwind"
2490                 ;;
2491         sparc*-*-*)
2492                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2493                    TARGET=SPARC64
2494                 else
2495                         TARGET=SPARC
2496                 fi
2497                 arch_target=sparc;
2498                 JIT_SUPPORTED=yes
2499                 ACCESS_UNALIGNED="no"
2500                 case $host_os in
2501                   linux*) ;;
2502                   *)
2503                         LIBC="libc.so"
2504                         INTL="libintl.so"
2505                 esac
2506                 if test x"$GCC" = xyes; then
2507                         # We don't support v8 cpus
2508                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2509                 fi
2510                 if test x"$AR" = xfalse; then
2511                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2512                 fi
2513                 sgen_supported=true
2514                 ;;
2515         *-mingw*|*-*-cygwin*)
2516                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2517                 have_visibility_hidden=no
2518                 INTL="intl"
2519                 ;;
2520         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2521         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2522                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2523                         TARGET=POWERPC64;
2524                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2525                         CFLAGS="$CFLAGS -mminimal-toc"
2526                 else
2527                         TARGET=POWERPC;
2528                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2529                 fi
2530                 arch_target=ppc;
2531                 JIT_SUPPORTED=yes
2532                 case $host_os in
2533                   linux*|darwin*)
2534                         sgen_supported=true
2535                         ;;
2536                 esac
2537                 ;;
2538         arm*-darwin*)
2539                 TARGET=ARM;
2540                 arch_target=arm;
2541                 ACCESS_UNALIGNED="no"
2542                 JIT_SUPPORTED=yes
2543                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2544                 # libgc's gc_locks.h depends on this
2545             NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2546                 sgen_supported=true
2547                 ;;
2548         arm*-linux*)
2549                 TARGET=ARM;
2550                 arch_target=arm;
2551                 ACCESS_UNALIGNED="no"
2552                 JIT_SUPPORTED=yes
2553                 sgen_supported=true
2554                 AOT_SUPPORTED="yes"
2555                 if test "x$cross_compiling" != "xno"; then
2556                    # Provide sane defaults when cross-compiling
2557                    CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2558                    NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2559                 fi
2560                 ;;
2561         s390-*-linux*)
2562                 TARGET=S390;
2563                 arch_target=s390;
2564                 ACCESS_UNALIGNED="yes"
2565                 JIT_SUPPORTED=yes
2566                 sgen_supported=true
2567                 # Required CFLAGS for s390[x].  USE_STRING_INLINES is automatic with gcc 4.1
2568                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2569                 ;;
2570         s390x-*-linux*)
2571                 TARGET=S390x;
2572                 arch_target=s390x;
2573                 ACCESS_UNALIGNED="yes"
2574                 JIT_SUPPORTED=yes
2575                 sgen_supported=true
2576                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2577                 ;;
2578 esac
2579
2580 HOST=$TARGET
2581
2582 if test "x$host" != "x$target"; then
2583    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2584    enable_mcs_build=no
2585    case "$target" in
2586    arm*-darwin*)
2587                 TARGET=ARM;
2588                 arch_target=arm;
2589                 ACCESS_UNALIGNED="no"
2590                 JIT_SUPPORTED=yes
2591                 CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__ -DHAVE_ARMV6=1"
2592                 jit_wanted=true
2593                 # Can't use tls, since it depends on the runtime detection of tls offsets
2594                 # in mono-compiler.h
2595                 with_tls=pthread
2596                 ;;
2597    powerpc64-ps3-linux-gnu)
2598                 TARGET=POWERPC64
2599                 arch_target=powerpc64
2600                 AC_DEFINE(TARGET_PS3, 1, [...])
2601                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2602                 # uses this define
2603                 AC_DEFINE(__mono_ppc64__, 1, [...])
2604                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2605                 sizeof_register=8
2606                 target_byte_order=G_BIG_ENDIAN
2607                 ;;
2608
2609    powerpc64-xbox360-linux-gnu)
2610                 TARGET=POWERPC64
2611                 arch_target=powerpc64
2612                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2613                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2614                 # uses this define
2615                 sizeof_register=8
2616                 target_byte_order=G_BIG_ENDIAN
2617                 ;;
2618    x86_64-*-nacl)
2619                 TARGET=AMD64
2620                 arch_target=amd64
2621                 AC_DEFINE(TARGET_AMD64, 1, [...])
2622                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2623                 sizeof_register=8
2624                 ;;
2625    *-*-nacl)
2626                 TARGET=X86
2627                 arch_target=x86
2628                 AC_DEFINE(TARGET_X86, 1, [...])
2629                 sizeof_register=4
2630                 ;;
2631    arm*-unknown-linux-*)
2632                 TARGET=ARM;
2633                 arch_target=arm;
2634                 AC_DEFINE(TARGET_ARM, 1, [...])
2635                 ACCESS_UNALIGNED="no"
2636                 JIT_SUPPORTED=yes
2637                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2638                 jit_wanted=true
2639                 # Can't use tls, since it depends on the runtime detection of tls offsets
2640                 # in mono-compiler.h
2641                 with_tls=pthread
2642                 target_mach=no
2643                 case "$target" in
2644                 armv7l-unknown-linux-gnueabi*)
2645                         # TEGRA
2646                         CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1"
2647                         ;;
2648                 armv5-*-linux-androideabi*)
2649                         AC_DEFINE(TARGET_ANDROID, 1, [...])
2650                         CPPFLAGS="$CPPFLAGS -DARM_FPU_NONE"
2651                         ;;
2652                 esac
2653                 ;;
2654         *)
2655                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2656         esac
2657 fi
2658
2659 # FIXME: Define the others as well
2660 case "$TARGET" in
2661 X86)
2662         AC_DEFINE(TARGET_X86, 1, [...])
2663         ;;
2664 AMD64)
2665         AC_DEFINE(TARGET_AMD64, 1, [...])
2666         ;;
2667 ARM)
2668         AC_DEFINE(TARGET_ARM, 1, [...])
2669         ;;
2670 POWERPC)
2671         AC_DEFINE(TARGET_POWERPC, 1, [...])
2672         ;;
2673 POWERPC64)
2674         AC_DEFINE(TARGET_POWERPC, 1, [...])
2675         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2676         ;;
2677 S390x)
2678         AC_DEFINE(TARGET_S390X, 1, [...])
2679         ;;
2680 MIPS)
2681         AC_DEFINE(TARGET_MIPS, 1, [...])
2682         ;;
2683 esac
2684
2685 if test "x$target_mach" = "xyes"; then
2686    if test "x$TARGET" = "xARM"; then
2687           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2688           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2689           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2690    else
2691        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2692        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2693        #error fail this for ios
2694        #endif
2695        return 0;
2696        ], [
2697                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2698           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2699           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2700        ], [
2701           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2702           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2703           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2704        ])
2705         fi
2706    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2707 fi
2708
2709 if test "x$sizeof_register" = "x4"; then
2710    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2711 elif test "x$sizeof_register" = "x8"; then
2712    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2713 else
2714    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2715 fi
2716
2717 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2718    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2719 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2720    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2721 else
2722    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2723 fi
2724
2725 if test "x$have_visibility_hidden" = "xyes"; then
2726    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2727 fi
2728
2729 if test "x$have_deprecated" = "xyes"; then
2730    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2731 fi
2732
2733 dnl
2734 dnl Simple Generational checks (sgen)
2735 dnl
2736 if $sgen_supported; then
2737    build_sgen_default=yes
2738 else
2739    build_sgen_default=no
2740 fi
2741 SGEN_DEFINES=
2742 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2743 if test x$buildsgen = xyes; then
2744    if $sgen_supported; then
2745        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2746        gc_msg="sgen and $gc_msg"
2747    else
2748        buildsgen=no
2749        AC_MSG_WARN("Sgen is not supported on this platform")
2750    fi
2751 fi
2752 AC_SUBST(SGEN_DEFINES)
2753 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2754
2755 USEJIT=false
2756 if test x$JIT_SUPPORTED = xyes; then
2757    if $jit_wanted; then
2758       USEJIT=true
2759       jit_status="Building and using the JIT"
2760    else
2761       if $interp_wanted; then
2762          jit_status="Building the JIT, defaulting to the interpreter"
2763       else
2764          AC_ERROR(No JIT or interpreter support available or selected.)
2765       fi
2766    fi
2767 else
2768    if test x$interp_wanted = xtrue; then
2769       jit_status="interpreter"
2770    else
2771       AC_ERROR(No JIT or interpreter support available or selected.)
2772    fi
2773 fi
2774
2775 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2776
2777 libsuffix=".so"
2778
2779 case "$host" in
2780      *-*-darwin*)
2781         libsuffix=".dylib"
2782         LIBC="libc.dylib"
2783         INTL="libintl.dylib"
2784         SQLITE="libsqlite.0.dylib"
2785         SQLITE3="libsqlite3.0.dylib"
2786         X11="libX11.dylib"
2787         ;;
2788      *-*-*netbsd*)
2789         LIBC="libc.so.12"
2790         INTL="libintl.so.0"
2791         ;;
2792     *-*-*freebsd*)
2793         LIBC="libc.so"
2794         INTL="libintl.so"
2795         SQLITE="libsqlite.so"
2796         SQLITE3="libsqlite3.so"
2797         ;;
2798     *-*-*openbsd*)
2799         LIBC="libc.so"
2800         INTL="libintl.so"
2801         SQLITE="libsqlite.so"
2802         SQLITE3="libsqlite3.so"
2803         ;;
2804     *-*-*linux*)
2805         AC_PATH_X
2806         AC_MSG_CHECKING(for the soname of libX11.so)
2807         for i in $x_libraries /usr/lib /usr/lib64; do
2808                 for r in 4 5 6; do
2809                         if test -f $i/libX11.so.$r; then
2810                                 X11=libX11.so.$r
2811                                 AC_MSG_RESULT($X11)
2812                         fi
2813                 done
2814         done
2815
2816         if test "x$X11" = "xlibX11.so"; then
2817                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2818                 X11=libX11.so.6
2819         fi
2820         ;;
2821 esac
2822
2823
2824 AC_SUBST(libsuffix)
2825
2826 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2827         if test "x$with_tls" = "x__thread"; then
2828                 #
2829                 # On some linux distributions, TLS works in executables, but linking
2830                 # against a shared library containing TLS fails with:
2831                 # undefined reference to `__tls_get_addr'
2832                 #
2833                 rm -f conftest.c conftest.so conftest
2834                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
2835                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
2836                 $CC -o conftest conftest.so > /dev/null 2>&1
2837                 if test ! -f conftest; then
2838                    AC_MSG_WARN([Disabling usage of __thread.]);
2839                    with_tls=pthread
2840                 fi
2841                 rm -f conftest.c conftest.so conftest
2842         fi
2843 fi
2844
2845 mono_debugger_supported=no
2846 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
2847 if test "x$try_mono_debugger" = "xyes"; then
2848         if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xS390x"; then
2849                 if test x$use_included_gc = xyes; then
2850                         case "$host" in
2851                         *-*-*linux*)
2852                                 mono_debugger_supported=yes
2853                                 ;;
2854                         *86-apple-darwin*)
2855                                 mono_debugger_supported=yes
2856                                 ;;
2857                         esac
2858                 fi
2859         fi
2860 fi
2861
2862 # disable the debugger entirely when building with moonlight
2863 if test "x$with_moonlight" != "xno"; then
2864         mono_debugger_supported=no
2865 fi
2866
2867 # mdb support for sgen is broken, disable it until further notice.
2868 mono_debugger_supported=no
2869
2870 AC_MSG_CHECKING(if the Mono Debugger is supported on this platform)
2871 if test "x$mono_debugger_supported" = "xyes"; then
2872         BOEHM_DEFINES="$BOEHM_DEFINES -DMONO_DEBUGGER_SUPPORTED"
2873         NESTED_LIBGC_FLAGS="-DMONO_DEBUGGER_SUPPORTED"
2874 fi
2875 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
2876 AC_MSG_RESULT($mono_debugger_supported)
2877
2878 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
2879 if test "x$icall_symbol_map" = "xyes"; then
2880    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
2881 fi
2882
2883 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
2884 if test "x$icall_export" = "xyes"; then
2885    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
2886 fi
2887
2888 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
2889 if test "x$icall_tables" = "xno"; then
2890    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
2891 fi
2892
2893 if test "x$mono_cv_clang" = "xyes"; then
2894    # FIXME: This causes many compilation errors
2895    with_tls=pthread
2896 fi
2897
2898 if test "x$with_tls" = "x__thread"; then
2899         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
2900         # Pass the information to libgc
2901         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
2902         AC_MSG_CHECKING(if the tls_model attribute is supported)
2903         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
2904                 ], [
2905                         AC_MSG_RESULT(yes)
2906                         # CLANG doesn't support this yet, and it prints warnings about it
2907                         if test "x$mono_cv_clang" = "xno"; then
2908                                 AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
2909                         fi
2910                 ], [
2911                         AC_MSG_RESULT(no)
2912         ])
2913 fi
2914
2915 if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
2916         dnl ******************************************
2917         dnl *** Check to see what FPU is available ***
2918         dnl ******************************************
2919         AC_MSG_CHECKING(which FPU to use)
2920
2921         fpu=NONE
2922         if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
2923            fpu=VFP_HARD
2924         fi
2925
2926         if test x$fpu = xNONE; then
2927            ORIG_CFLAGS=$CFLAGS
2928            CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
2929            AC_TRY_RUN([
2930                                 int main () { __asm__ ("faddd   d7, d6, d7"); return 0; }
2931                                 ], fpu=VFP, fpu=NONE)
2932            CFLAGS=$ORIG_CFLAGS
2933         fi
2934
2935         if test x$fpu = xNONE; then
2936                 AC_TRY_COMPILE([], [
2937                         __asm__ ("ldfd f0, [r0]");
2938                         ], fpu=FPA, fpu=NONE)
2939         fi
2940
2941         AC_MSG_RESULT($fpu)
2942         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
2943         unset fpu
2944
2945         AC_MSG_CHECKING(for ARMV6)
2946         AC_TRY_RUN([
2947                 int main () { __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); return 0; }
2948                         ], armv6=yes, armv6=no)
2949
2950         AC_MSG_RESULT($armv6)
2951         if test ${armv6} = yes; then
2952            AC_DEFINE(HAVE_ARMV6, 1, "Host supports ARMV6 instructions")
2953            # libgc's gc_locks.h depends on this
2954            NESTED_LIBGC_FLAGS="$NESTED_LIBGC_FLAGS -DHAVE_ARMV6"
2955         fi
2956 fi
2957
2958 if test ${TARGET} = ARM; then
2959         if test "x${with_jumptables}" = "xyes"; then
2960                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
2961         fi
2962 fi
2963
2964 if test ${TARGET} = unknown; then
2965         CPPFLAGS="$CPPFLAGS -DNO_PORT"
2966         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
2967 fi
2968
2969 if test ${ACCESS_UNALIGNED} = no; then
2970         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
2971 fi
2972
2973 case "x$gc" in
2974         xincluded)
2975                 # Pass CPPFLAGS to libgc configure
2976                 # We should use a separate variable for this to avoid passing useless and
2977                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
2978                 # This should be executed late so we pick up the final version of CPPFLAGS
2979                 # The problem with this approach, is that during a reconfigure, the main
2980                 # configure scripts gets invoked with these arguments, so we use separate
2981                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
2982                 TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
2983                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
2984                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
2985                 fi
2986                 # Don't pass -finstrument-for-thread-suspension in,
2987                 # if these are instrumented it will be very bad news
2988                 # (infinite recursion, undefined parking behavior, etc)
2989                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
2990                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
2991                 AC_CONFIG_SUBDIRS(libgc)
2992                 ;;
2993 esac
2994
2995 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
2996 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
2997 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
2998 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
2999 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3000 AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile assemblies (defaults to no)],        [], [with_mobile=no])
3001
3002 OPROFILE=no
3003 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3004         if test x$with_oprofile != xno; then
3005             oprofile_include=$with_oprofile/include
3006             if test ! -f $oprofile_include/opagent.h; then
3007                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3008                 fi
3009             OPROFILE=yes
3010                 OPROFILE_CFLAGS="-I$oprofile_include"
3011             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3012             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3013         fi
3014 ])
3015
3016 MALLOC_MEMPOOLS=no
3017 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3018         if test x$with_malloc_mempools = xyes; then
3019                 MALLOC_MEMPOOLS=yes
3020                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3021         fi
3022 ])
3023
3024
3025 DISABLE_MCS_DOCS=no
3026 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3027         if test x$with_mcs_docs != xyes; then
3028                 DISABLE_MCS_DOCS=yes
3029         fi
3030 ])
3031 if test x$with_profile4 != xyes; then
3032         DISABLE_MCS_DOCS=yes
3033 fi
3034
3035 MOONLIGHT_DEFINES=
3036 AC_ARG_WITH(moonlight, [  --with-moonlight=yes|no|only         If you want to build Mono for Moonlight (defaults to no)],[
3037         if test x$with_moonlight != xno; then
3038         MOONLIGHT_DEFINES="-DMOONLIGHT -DDISABLE_ASSEMBLY_REMAPPING "
3039         fi
3040 ], [with_moonlight=no])
3041 AC_SUBST(MOONLIGHT_DEFINES)
3042
3043 AC_ARG_WITH(moon_gc, [  --with-moon-gc=boehm,sgen               Select the gc to use with Moonlight (defaults to boehm)],[
3044         if test "x$with_moon_gc" != "xsgen"; then
3045                 with_moon_gc=boehm
3046         fi
3047 ], [with_moon_gc=boehm])
3048
3049 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)],[
3050         if test x$with_lazy_gc_thread_creation != xno ; then
3051                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3052         fi
3053 ], [with_lazy_gc_thread_creation=no])
3054
3055 AC_CHECK_HEADER([malloc.h],
3056                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3057                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3058
3059 if test x"$GCC" = xyes; then
3060         # Implicit function declarations are not 64 bit safe
3061         # Do this late, since this causes lots of configure tests to fail
3062         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3063         # jay has a lot of implicit declarations
3064         JAY_CFLAGS="-Wno-implicit-function-declaration"
3065 fi
3066
3067 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3068 # instead of libmono-static.a
3069 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3070    LIBMONO_LA=libmini-static.la
3071 else
3072    LIBMONO_LA=libmono-$API_VER.la
3073 fi
3074 AC_SUBST(LIBMONO_LA)
3075
3076 dnl
3077 dnl Consistency settings
3078 dnl
3079 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3080    DISABLE_MCS_DOCS=yes
3081    with_profile2=no
3082    with_profile4=no
3083    with_profile4_5=no
3084    with_monodroid=no
3085    with_monotouch=no
3086 fi
3087
3088 if test x$DISABLE_MCS_DOCS = xyes; then
3089    docs_dir=""
3090 else
3091    docs_dir=docs
3092 fi
3093 AC_SUBST(docs_dir)
3094
3095 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3096 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3097
3098 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3099 AC_SUBST(OPROFILE_CFLAGS)
3100 AC_SUBST(OPROFILE_LIBS)
3101
3102 libmono_ldflags="$libmono_ldflags $LIBS"
3103
3104 AM_CONDITIONAL(MOONLIGHT, [test "x$with_moonlight" != "xno"])
3105
3106 AM_CONDITIONAL(ONLY_MOONLIGHT, [test "x$with_moonlight" = "xonly"])
3107 AM_CONDITIONAL(MOONLIGHT_BOEHM, [test "x$with_moon_gc" = "xboehm"])
3108 AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
3109
3110 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3111 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3112 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3113 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3114 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3115 AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
3116 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3117
3118 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3119 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3120 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3121 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3122 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3123 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3124 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3125 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
3126 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3127 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3128 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3129 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3130 AM_CONDITIONAL(S390, test x$TARGET = xS390)
3131 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
3132 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3133 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3134 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3135 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3136
3137 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3138 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3139 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3140
3141 AC_SUBST(LIBC)
3142 AC_SUBST(INTL)
3143 AC_SUBST(SQLITE)
3144 AC_SUBST(SQLITE3)
3145 AC_SUBST(X11)
3146 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3147 AC_SUBST(arch_target)
3148 AC_SUBST(CFLAGS)
3149 AC_SUBST(CPPFLAGS)
3150 AC_SUBST(LDFLAGS)
3151
3152 mono_build_root=`pwd`
3153 AC_SUBST(mono_build_root)
3154
3155 if test x$USEJIT = xtrue; then
3156   mono_runtime=mono/mini/mono
3157 else
3158   mono_runtime=mono/interpreter/mint
3159 fi
3160 AC_SUBST(mono_runtime)
3161
3162 mono_cfg_root=$mono_build_root/runtime
3163 if test x$host_win32 = xyes; then
3164   if test "x$cross_compiling" = "xno"; then
3165     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3166   else
3167     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3168   fi
3169 else
3170   mono_cfg_dir=$mono_cfg_root/etc
3171 fi
3172 AC_SUBST(mono_cfg_dir)
3173
3174 AC_CONFIG_FILES([po/mcs/Makefile.in])
3175
3176 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3177 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3178
3179 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3180 [   depth=../../../..
3181     case $srcdir in
3182     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3183     .) reldir=$depth ;;
3184     *) reldir=$depth/$srcdir ;;
3185     esac
3186     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3187     cd runtime/etc/mono/1.0
3188     rm -f machine.config
3189     $LN_S $reldir/data/net_1_1/machine.config machine.config
3190     cd $depth
3191 ],[LN_S='$LN_S'])
3192
3193 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3194 [   depth=../../../..
3195     case $srcdir in
3196     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3197     .) reldir=$depth ;;
3198     *) reldir=$depth/$srcdir ;;
3199     esac
3200     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3201     cd runtime/etc/mono/2.0
3202     rm -f machine.config
3203     $LN_S $reldir/data/net_2_0/machine.config machine.config
3204     cd $depth
3205 ],[LN_S='$LN_S'])
3206
3207 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3208 [   depth=../../../..
3209     case $srcdir in
3210     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3211     .) reldir=$depth ;;
3212     *) reldir=$depth/$srcdir ;;
3213     esac
3214     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3215     cd runtime/etc/mono/2.0
3216     rm -f web.config
3217     $LN_S $reldir/data/net_2_0/web.config web.config
3218     cd $depth
3219 ],[LN_S='$LN_S'])
3220
3221 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3222 [   depth=../../..
3223     case $srcdir in
3224     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3225     .) reldir=$depth ;;
3226     *) reldir=$depth/$srcdir ;;
3227     esac
3228     $ac_aux_dir/install-sh -d runtime/etc/mono/
3229     cd runtime/etc/mono/
3230     rm -f browscap.ini
3231     $LN_S $reldir/data/browscap.ini browscap.ini
3232     cd $depth
3233 ],[LN_S='$LN_S'])
3234
3235 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3236 [   depth=../../../../..
3237     case $srcdir in
3238     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3239     .) reldir=$depth ;;
3240     *) reldir=$depth/$srcdir ;;
3241     esac
3242     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3243     cd runtime/etc/mono/2.0/Browsers
3244     rm -f Compat.browser
3245     $LN_S $reldir/data/net_2_0/Browsers/Compat.browser Compat.browser
3246     cd $depth
3247 ],[LN_S='$LN_S'])
3248
3249 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3250 [   depth=../../../..
3251     case $srcdir in
3252     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3253     .) reldir=$depth ;;
3254     *) reldir=$depth/$srcdir ;;
3255     esac
3256     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3257     cd runtime/etc/mono/4.0
3258     rm -f machine.config
3259     $LN_S $reldir/data/net_4_0/machine.config machine.config
3260     cd $depth
3261 ],[LN_S='$LN_S'])
3262
3263 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3264 [   depth=../../../..
3265     case $srcdir in
3266     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3267     .) reldir=$depth ;;
3268     *) reldir=$depth/$srcdir ;;
3269     esac
3270     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3271     cd runtime/etc/mono/4.0
3272     rm -f web.config
3273     $LN_S $reldir/data/net_4_0/web.config web.config
3274     cd $depth
3275 ],[LN_S='$LN_S'])
3276
3277 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3278 [   depth=../../../..
3279     case $srcdir in
3280     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3281     .) reldir=$depth ;;
3282     *) reldir=$depth/$srcdir ;;
3283     esac
3284     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3285     cd runtime/etc/mono/4.5
3286     rm -f machine.config
3287     $LN_S $reldir/data/net_4_5/machine.config machine.config
3288     cd $depth
3289 ],[LN_S='$LN_S'])
3290
3291 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3292 [   depth=../../../..
3293     case $srcdir in
3294     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3295     .) reldir=$depth ;;
3296     *) reldir=$depth/$srcdir ;;
3297     esac
3298     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3299     cd runtime/etc/mono/4.5
3300     rm -f web.config
3301     $LN_S $reldir/data/net_4_5/web.config web.config
3302     cd $depth
3303 ],[LN_S='$LN_S'])
3304
3305 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])
3306
3307 AC_OUTPUT([
3308 Makefile
3309 mono-core.spec
3310 mono-uninstalled.pc
3311 scripts/mono-find-provides
3312 scripts/mono-find-requires
3313 mono/Makefile
3314 mono/utils/Makefile
3315 mono/metadata/Makefile
3316 mono/dis/Makefile
3317 mono/cil/Makefile
3318 mono/arch/Makefile
3319 mono/arch/x86/Makefile
3320 mono/arch/amd64/Makefile
3321 mono/arch/ppc/Makefile
3322 mono/arch/sparc/Makefile
3323 mono/arch/s390/Makefile
3324 mono/arch/s390x/Makefile
3325 mono/arch/arm/Makefile
3326 mono/arch/ia64/Makefile
3327 mono/arch/mips/Makefile
3328 mono/interpreter/Makefile
3329 mono/tests/Makefile
3330 mono/tests/tests-config
3331 mono/tests/assemblyresolve/Makefile
3332 mono/tests/cas/Makefile
3333 mono/tests/cas/assembly/Makefile
3334 mono/tests/cas/demand/Makefile
3335 mono/tests/cas/inheritance/Makefile
3336 mono/tests/cas/linkdemand/Makefile
3337 mono/tests/cas/threads/Makefile
3338 mono/tests/gc-descriptors/Makefile
3339 mono/benchmark/Makefile
3340 mono/monograph/Makefile
3341 mono/io-layer/Makefile
3342 mono/mini/Makefile
3343 mono/profiler/Makefile
3344 m4/Makefile
3345 ikvm-native/Makefile
3346 scripts/Makefile
3347 man/Makefile
3348 docs/Makefile
3349 data/Makefile
3350 data/net_2_0/Makefile
3351 data/net_4_0/Makefile
3352 data/net_4_5/Makefile
3353 data/net_2_0/Browsers/Makefile
3354 data/mint.pc
3355 data/mono-2.pc
3356 data/monosgen-2.pc
3357 data/mono.pc
3358 data/mono-cairo.pc
3359 data/mono-nunit.pc
3360 data/mono-options.pc
3361 data/mono-lineeditor.pc
3362 data/monodoc.pc
3363 data/mono.web.pc
3364 data/dotnet.pc
3365 data/dotnet35.pc
3366 data/wcf.pc
3367 data/cecil.pc
3368 data/system.web.extensions_1.0.pc
3369 data/system.web.extensions.design_1.0.pc
3370 data/system.web.mvc.pc
3371 data/system.web.mvc2.pc
3372 data/system.web.mvc3.pc
3373 data/aspnetwebstack.pc
3374 data/reactive.pc
3375 samples/Makefile
3376 support/Makefile
3377 data/config
3378 tools/Makefile
3379 tools/locale-builder/Makefile
3380 tools/sgen/Makefile
3381 runtime/Makefile
3382 msvc/Makefile
3383 po/Makefile
3384 ])
3385
3386 # Update all submodules recursively to ensure everything is checked out
3387 $srcdir/scripts/update_submodules
3388
3389 if test x$host_win32 = xyes; then
3390    # Get rid of 'cyg' prefixes in library names
3391    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3392    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3393    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3394    # executable doesn't work...
3395    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3396 fi
3397
3398 (
3399   case $prefix in
3400   NONE) prefix=$ac_default_prefix ;;
3401   esac
3402   case $exec_prefix in
3403   NONE) exec_prefix='${prefix}' ;;
3404   esac
3405
3406   #
3407   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3408   # any existing config.make.  This allows people to share the same source tree
3409   # with different build directories, one native and one cross
3410   #
3411   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3412
3413     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3414
3415     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3416     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3417     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3418     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3419     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3420     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3421     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3422     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3423
3424     case $INSTALL in
3425     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3426     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3427     esac
3428
3429     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3430
3431     export VERSION
3432     [myver=$($AWK 'BEGIN {
3433       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3434       if(length(vsplit [1]) > 4) {
3435         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3436       }
3437       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3438     }')]
3439
3440     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3441
3442     if test x$platform_darwin = xyes; then
3443       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3444     fi
3445
3446         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3447            enable_system_aot=yes
3448         fi
3449
3450         if test "x$enable_loadedllvm" = "xyes"; then
3451            # This seems to fail on the x86 buildbots
3452            enable_system_aot=no
3453         fi
3454
3455     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3456       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3457     fi
3458
3459     if test x$DISABLE_MCS_DOCS = xyes; then
3460       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3461     fi
3462
3463     if test x$with_moonlight != xno; then
3464       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
3465     fi
3466
3467     if test x$has_extension_module != xno; then
3468         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3469     fi
3470
3471         default_profile=net_2_0
3472     if test -z "$INSTALL_4_0_TRUE"; then :
3473                 default_profile=net_4_0
3474     fi
3475     if test -z "$INSTALL_MONODROID_TRUE"; then :
3476                 default_profile=monodroid
3477     fi
3478     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3479                 default_profile=monotouch
3480     fi
3481     if test -z "$INSTALL_4_5_TRUE"; then :
3482                 default_profile=net_4_5
3483     fi
3484
3485     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3486
3487     if test "x$test_bcl_opt" = "xyes"; then
3488       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3489     fi
3490
3491   fi
3492
3493   # if we have an olive folder, override the default settings
3494   if test -d $olivedir; then
3495
3496     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3497
3498       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3499
3500       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3501       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3502       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3503       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3504       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3505       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3506     fi
3507   fi
3508
3509 )
3510
3511 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3512
3513 echo "
3514         mcs source:    $mcsdir
3515
3516    Engine:
3517         GC:            $gc_msg
3518         TLS:           $with_tls
3519         SIGALTSTACK:   $with_sigaltstack
3520         Engine:        $jit_status
3521         oprofile:      $OPROFILE
3522         BigArrays:     $enable_big_arrays
3523         DTrace:        $enable_dtrace
3524         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3525
3526    Libraries:
3527         .NET 2.0/3.5:  $with_profile2
3528         .NET 4.0:      $with_profile4
3529         .NET 4.5:      $with_profile4_5
3530         MonoDroid:     $with_monodroid
3531         MonoTouch:     $with_monotouch
3532         JNI support:   $jdk_headers_found
3533         libgdiplus:    $libgdiplus_msg
3534         zlib:          $zlib_msg
3535         $disabled
3536 "
3537 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3538    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3539 fi