configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.99.0],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   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 subdir-objects])
  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 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 #
  40 # libgc defaults
  41 #
  42 libgc_configure_args=
  43
  44 if test -d $srcdir/libgc ; then
  45   libgc_default=included
  46 else
  47   libgc_default=boehm
  48 fi
  49
  50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  53 CFLAGS_FOR_LIBGC=$CFLAGS
  54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  55 CFLAGS_FOR_EGLIB=$CFLAGS
  56
  57 # libgc uses some deprecated APIs
  58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  59
  60 #
  61 # These are the flags that need to be stored in the mono.pc file for
  62 # compiling code that will embed Mono
  63 #
  64 libmono_cflags=""
  65 libmono_ldflags=""
  66 AC_SUBST(libmono_cflags)
  67 AC_SUBST(libmono_ldflags)
  68
  69 # Variable to have relocatable .pc files (lib, or lib64)
  70 reloc_libdir=`basename ${libdir}`
  71 AC_SUBST(reloc_libdir)
  72
  73 dnl if linker handles the version script
  74 no_version_script=no
  75
  76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  77 need_link_unlink=no
  78
  79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  80 extra_runtime_ldflags=""
  81
  82 # Thread configuration inspired by sleepycat's db
  83 AC_MSG_CHECKING([host platform characteristics])
  84 libgc_threads=no
  85 has_dtrace=no
  86 parallel_mark=yes
  87 ikvm_native=yes
  88
  89 case "$host" in
  90         powerpc*-*-linux*)
  91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  92                 disable_munmap=yes
  93         ;;
  94 esac
  95
  96 host_win32=no
  97 target_win32=no
  98 platform_android=no
  99 platform_darwin=no
 100 case "$host" in
 101         *-mingw*|*-*-cygwin*)
 102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 105                 host_win32=yes
 106                 mono_cv_clang=no
 107                 if test "x$cross_compiling" = "xno"; then
 108                         target_win32=yes
 109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 111                         fi
 112                 else
 113                         target_win32=yes
 114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 116                 fi
 117                 HOST_CC="gcc"
 118                 # Windows XP SP2 is required
 119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 121                 libmono_cflags="-mms-bitfields -mwindows"
 122                 libmono_ldflags="-mms-bitfields -mwindows"
 123                 libdl=
 124                 libgc_threads=win32
 125                 libgc_default=included
 126                 with_sigaltstack=no
 127                 with_tls=pthread
 128                 LN_S=cp
 129                 # This forces libgc to use the DllMain based thread registration code on win32
 130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 131                 ;;
 132         *-*-*netbsd*)
 133                 host_win32=no
 134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 135                 libmono_cflags="-D_REENTRANT"
 136                 LDFLAGS="$LDFLAGS -pthread"
 137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 138                 libmono_ldflags="-pthread"
 139                 need_link_unlink=yes
 140                 libdl="-ldl"
 141                 libgc_threads=pthreads
 142                 with_sigaltstack=no
 143                 use_sigposix=yes
 144                 ;;
 145         *-*-kfreebsd*-gnu)
 146                 host_win32=no
 147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 149                 libmono_ldflags="-lpthread -pthread"
 150                 libdl="-ldl"
 151                 libgc_threads=pthreads
 152                 need_link_unlink=yes
 153                 with_sigaltstack=no
 154                 use_sigposix=yes
 155                 ;;
 156         *-*-*freebsd*)
 157                 host_win32=no
 158                 if test "x$PTHREAD_CFLAGS" = "x"; then
 159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags=
 161                 else
 162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 163                         libmono_cflags="$PTHREAD_CFLAGS"
 164                 fi
 165                 if test "x$PTHREAD_LIBS" = "x"; then
 166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 167                         libmono_ldflags="-pthread"
 168                 else
 169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 170                         libmono_ldflags="$PTHREAD_LIBS"
 171                 fi
 172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 173                 need_link_unlink=yes
 174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 175                 libdl=
 176                 libgc_threads=pthreads
 177                 use_sigposix=yes
 178                 has_dtrace=yes
 179                 ;;
 180         *-*-*openbsd*)
 181                 host_win32=no
 182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 183                 if test "x$disable_munmap" != "xyes"; then
 184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 185                 fi
 186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 187                 LDFLAGS="$LDFLAGS -pthread"
 188                 need_link_unlink=yes
 189                 AC_DEFINE(PTHREAD_POINTER_ID)
 190                 libdl=
 191                 libgc_default=boehm
 192                 libgc_threads=pthreads
 193                 with_sigaltstack=no
 194                 use_sigposix=yes
 195                 ;;
 196         *-*-linux-android*)
 197                 host_win32=no
 198                 platform_android=yes
 199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 201
 202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 203                 if test "x$disable_munmap" != "xyes"; then
 204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 205                 fi
 206                 libmono_cflags="-D_REENTRANT"
 207                 libdl="-ldl"
 208                 libgc_threads=pthreads
 209                 use_sigposix=yes
 210
 211                 with_tls=pthread
 212                 with_sigaltstack=no
 213                 with_static_mono=no
 214
 215                 # Android doesn't support boehm, as it's missing <link.h>
 216                 support_boehm=no
 217                 with_gc=sgen
 218
 219                 # isinf(3) requires -lm; see isinf check below
 220                 LDFLAGS="$LDFLAGS -lm"
 221
 222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 227
 228                 # The configure check can't detect this
 229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 230
 231                 # to bypass the underscore linker check, can't work when cross-compiling
 232                 mono_cv_uscore=yes
 233                 mono_cv_clang=no
 234                 ;;
 235         *-*-linux*)
 236                 host_win32=no
 237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 238                 if test "x$disable_munmap" != "xyes"; then
 239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 240                 fi
 241                 libmono_cflags="-D_REENTRANT"
 242                 libdl="-ldl"
 243                 libgc_threads=pthreads
 244                 use_sigposix=yes
 245                 if test "x$cross_compiling" != "xno"; then
 246                         # to bypass the underscore linker check, not
 247                         # available during cross-compilation
 248                         mono_cv_uscore=no
 249                 fi
 250                 case "$host" in
 251                 aarch64-*)
 252                         support_boehm=no
 253                         with_gc=sgen
 254                         ;;
 255                 esac
 256                 ;;
 257         *-*-nacl*)
 258                 host_win32=no
 259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 260                 if test "x$disable_munmap" != "xyes"; then
 261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 262                 fi
 263                 libmono_cflags="-D_REENTRANT"
 264                 libdl=
 265                 libgc_threads=pthreads
 266                 libgc_default=boehm
 267                 use_sigposix=yes
 268                 ikvm_native=no
 269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 271                 ;;
 272         *-*-hpux*)
 273                 host_win32=no
 274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 275                 # +ESdbgasm only valid on bundled cc on RISC
 276                 # silently ignored for ia64
 277                 if test $GCC != "yes"; then
 278                         CFLAGS="$CFLAGS +ESdbgasm"
 279                         # Arrange for run-time dereferencing of null
 280                         # pointers to produce a SIGSEGV signal.
 281                         LDFLAGS="$LDFLAGS -z"
 282                 fi
 283                 CFLAGS="$CFLAGS +ESdbgasm"
 284                 LDFLAGS="$LDFLAGS -z"
 285                 libmono_cflags="-D_REENTRANT"
 286                 libmono_ldflags="-lpthread"
 287                 libgc_threads=pthreads
 288                 need_link_unlink=yes
 289                 use_sigposix=yes
 290                 ;;
 291         *-*-solaris*)
 292                 host_win32=no
 293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 294                 need_link_unlink=yes
 295                 libmono_cflags="-D_REENTRANT"
 296                 libgc_threads=pthreads
 297                 # This doesn't seem to work on solaris/x86, but the configure test runs
 298                 with_tls=pthread
 299                 has_dtrace=yes
 300                 use_sigposix=yes
 301                 enable_solaris_tar_check=yes
 302                 ;;
 303         *-*-darwin*)
 304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 305                 host_win32=no
 306                 platform_darwin=yes
 307                 target_mach=yes
 308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 309                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 310                 libmono_cflags="-D_THREAD_SAFE"
 311                 need_link_unlink=yes
 312                 AC_DEFINE(PTHREAD_POINTER_ID)
 313                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 314                 no_version_script=yes
 315                 libdl=
 316                 libgc_threads=pthreads
 317                 has_dtrace=yes
 318                 if test "x$cross_compiling" = "xyes"; then
 319                         has_broken_apple_cpp=yes
 320                 fi
 321                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 322                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 323                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 324                 case "$host" in
 325                         dnl Snow Leopard and newer config.guess reports as this
 326                         i*86-*-darwin*)
 327                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 328                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 329                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 330                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 331                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 332                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 333                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 334                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 335                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 336                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 337                                 ;;
 338                         x*64-*-darwin*)
 339                                 ;;
 340                         arm*-darwin*)
 341                                 has_dtrace=no
 342                                 ;;
 343                 esac
 344                 ;;
 345         *-*-haiku*)
 346                 host_win32=no
 347                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 348                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 349                 libdl=
 350                 LIBS="$LIBS -lnetwork"
 351                 need_link_unlink=yes
 352                 AC_DEFINE(PTHREAD_POINTER_ID)
 353                 libgc_threads=pthreads
 354                 use_sigposix=yes
 355                 ;;
 356         *)
 357                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 358                 host_win32=no
 359                 libdl="-ldl"
 360                 ;;
 361 esac
 362 AC_MSG_RESULT(ok)
 363
 364 if test x$need_link_unlink = xyes; then
 365    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 366 fi
 367
 368 AC_SUBST(extra_runtime_ldflags)
 369 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 370 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 371 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 372 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 373 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 374 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 375 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 376
 377 AC_CHECK_TOOL(CC, gcc, gcc)
 378 AC_PROG_CC
 379 AC_CHECK_TOOL(CXX, g++, g++)
 380 AC_PROG_CXX
 381 AM_PROG_AS
 382 AC_PROG_INSTALL
 383 AC_PROG_AWK
 384 AM_PROG_CC_C_O
 385 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 386 : ${CCAS='$(CC)'}
 387 # Set ASFLAGS if not already set.
 388 : ${CCASFLAGS='$(CFLAGS)'}
 389 AC_SUBST(CCAS)
 390 AC_SUBST(CCASFLAGS)
 391
 392 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 393 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 394 if test "x$CXX" = "xg++"; then
 395         if test "x$GXX" != "xyes"; then
 396                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 397                 # are inside automake conditionals
 398                 AC_MSG_ERROR([You need to install g++])
 399         fi
 400 fi
 401
 402 dnl may require a specific autoconf version
 403 dnl AC_PROG_CC_FOR_BUILD
 404 dnl CC_FOR_BUILD not automatically detected
 405 CC_FOR_BUILD=$CC
 406 CFLAGS_FOR_BUILD=$CFLAGS
 407 BUILD_EXEEXT=
 408 if test "x$cross_compiling" = "xyes"; then
 409         CC_FOR_BUILD=cc
 410         CFLAGS_FOR_BUILD=
 411         BUILD_EXEEXT=""
 412 fi
 413 AC_SUBST(CC_FOR_BUILD)
 414 AC_SUBST(CFLAGS_FOR_BUILD)
 415 AC_SUBST(HOST_CC)
 416 AC_SUBST(BUILD_EXEEXT)
 417
 418 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 419 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 420
 421 # Set STDC_HEADERS
 422 AC_HEADER_STDC
 423 AC_LIBTOOL_WIN32_DLL
 424 # This causes monodis to not link correctly
 425 #AC_DISABLE_FAST_INSTALL
 426 AM_PROG_LIBTOOL
 427 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 428 DOLT
 429
 430 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 431 AC_SUBST(export_ldflags)
 432
 433 # Test whenever ld supports -version-script
 434 AC_PROG_LD
 435 AC_PROG_LD_GNU
 436 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 437    no_version_script=yes
 438 fi
 439
 440 AM_ICONV()
 441
 442 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 443
 444 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)
 445 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)
 446 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 447                   [], [], [#include <stddef.h>
 448                   #include <sys/socket.h>
 449                   #include <linux/socket.h>])
 450
 451 AC_CHECK_HEADERS(sys/user.h, [], [],
 452 [
 453 #ifdef HAVE_SYS_PARAM_H
 454 # include <sys/param.h>
 455 #endif
 456 ])
 457
 458 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 459 if test x$have_zlib = xyes; then
 460    AC_TRY_COMPILE([#include <zlib.h>], [
 461    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 462    return 0;
 463    #else
 464    #error No good zlib found
 465    #endif
 466    ],[
 467         AC_MSG_RESULT(Using system zlib)
 468         zlib_msg="system zlib"
 469         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 470    ],[
 471         AC_MSG_RESULT(Using embedded zlib)
 472         have_zlib=no
 473         zlib_msg="bundled zlib"
 474    ])
 475 fi
 476
 477 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 478 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 479
 480 # for mono/metadata/debug-symfile.c
 481 AC_CHECK_HEADERS(elf.h)
 482
 483 # for support
 484 AC_CHECK_HEADERS(poll.h)
 485 AC_CHECK_HEADERS(sys/poll.h)
 486 AC_CHECK_HEADERS(sys/wait.h)
 487 AC_CHECK_HEADERS(grp.h)
 488 AC_CHECK_HEADERS(syslog.h)
 489
 490 # for mono/dis
 491 AC_CHECK_HEADERS(wchar.h)
 492 AC_CHECK_HEADERS(ieeefp.h)
 493 AC_MSG_CHECKING(for isinf)
 494 AC_TRY_LINK([#include <math.h>], [
 495         int f = isinf (1.0);
 496 ], [
 497         AC_MSG_RESULT(yes)
 498         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 499 ], [
 500         # We'll have to use signals
 501         AC_MSG_RESULT(no)
 502 ])
 503 # mingw
 504 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 505         AC_TRY_LINK([#include <math.h>],
 506         [ _finite(0.0); ],
 507         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 508         AC_MSG_RESULT(no)))
 509
 510 # for Linux statfs support
 511 AC_CHECK_HEADERS(linux/magic.h)
 512
 513 # not 64 bit clean in cross-compile
 514 AC_CHECK_SIZEOF(void *, 4)
 515
 516 AC_CACHE_CHECK([for clang],
 517         mono_cv_clang,[
 518         AC_TRY_COMPILE([], [
 519                 #ifdef __clang__
 520                 #else
 521                 #error "FAILED"
 522                 #endif
 523                 return 0;
 524         ],
 525         [mono_cv_clang=yes],
 526         [mono_cv_clang=no],
 527         [])
 528 ])
 529
 530 WARN=''
 531 if test x"$GCC" = xyes; then
 532         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 533                 # The runtime code does not respect ANSI C strict aliasing rules
 534                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 535
 536                 # We rely on signed overflow to behave
 537                 CFLAGS="$CFLAGS -fwrapv"
 538
 539                 ORIG_CFLAGS=$CFLAGS
 540                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 541                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 542                 AC_TRY_COMPILE([],[
 543                                 return 0;
 544                 ], [
 545                    AC_MSG_RESULT(yes)
 546                 ], [
 547                    AC_MSG_RESULT(no)
 548                    CFLAGS=$ORIG_CFLAGS
 549                 ])
 550
 551                 ORIG_CFLAGS=$CFLAGS
 552                 # Check for the normal version, since gcc ignores unknown -Wno options
 553                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 554                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 555                 AC_TRY_COMPILE([],[
 556                                 return 0;
 557                 ], [
 558                    AC_MSG_RESULT(yes)
 559                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 560                 ], [
 561                    AC_MSG_RESULT(no)
 562                    CFLAGS=$ORIG_CFLAGS
 563                 ])
 564
 565                 if test "x$mono_cv_clang" = "xyes"; then
 566                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 567                    WARN="$WARN -Qunused-arguments"
 568                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 569                 fi
 570 else
 571         # The Sun Forte compiler complains about inline functions that access static variables
 572         # so disable all inlining.
 573         case "$host" in
 574         *-*-solaris*)
 575                 CFLAGS="$CFLAGS -Dinline="
 576                 ;;
 577         esac
 578 fi
 579 CFLAGS="$CFLAGS -g $WARN"
 580 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 581 CPPFLAGS="$CPPFLAGS -g $WARN"
 582
 583 # Where's the 'mcs' source tree?
 584 if test -d $srcdir/mcs; then
 585   mcsdir=mcs
 586 else
 587   mcsdir=../mcs
 588 fi
 589
 590 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 591         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 592                 mcsdir=$with_mcs_path
 593         fi
 594 )
 595
 596 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 597
 598 #
 599 # A sanity check to catch cases where the package was unpacked
 600 # with an ancient tar program (Solaris)
 601 #
 602 AC_ARG_ENABLE(solaris-tar-check,
 603 [  --disable-solaris-tar-check    disable solaris tar check],
 604    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 605
 606 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 607         AC_MSG_CHECKING(integrity of package)
 608         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 609         then
 610                 AC_MSG_RESULT(ok)
 611         else
 612                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 613                 AC_MSG_ERROR([$errorm])
 614         fi
 615 fi
 616
 617 if test "x$with_mcs_path" != "x"; then
 618 mcs_topdir=$(cd "$mcsdir" && pwd)
 619 mcs_topdir_from_srcdir=$mcs_topdir
 620 else
 621 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 622 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 623 fi
 624
 625 # Convert mcs_topdir* paths to Windows syntax.
 626 if test x$cross_compiling$host_win32 = xnoyes; then
 627   mcs_topdir=$(cygpath -m $mcs_topdir)
 628   case $mcs_topdir_from_srcdir in
 629     /cygdrive/*)
 630         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 631         ;;
 632   esac
 633 fi
 634
 635 AC_SUBST([mcs_topdir])
 636 AC_SUBST([mcs_topdir_from_srcdir])
 637
 638 # Where's the 'olive' source tree?
 639 if test -d $srcdir/olive; then
 640   olivedir=olive
 641 else
 642   olivedir=../olive
 643 fi
 644
 645 if test -d $srcdir/$olivedir; then
 646 olive_topdir='$(top_srcdir)/'$olivedir
 647 fi
 648
 649 # gettext: prepare the translation directories.
 650 # we do not configure the full gettext, as we consume it dynamically from C#
 651 AM_PO_SUBDIRS
 652
 653 if test "x$USE_NLS" = "xyes"; then
 654    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 655
 656    if test "x$HAVE_MSGFMT" = "xno"; then
 657           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 658    fi
 659 fi
 660
 661 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 662
 663 pkg_config_path=
 664 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 665         if test x$with_crosspkgdir = "x"; then
 666                 if test -s $PKG_CONFIG_PATH; then
 667                         pkg_config_path=$PKG_CONFIG_PATH
 668                 fi
 669         else
 670                 pkg_config_path=$with_crosspkgdir
 671                 PKG_CONFIG_PATH=$pkg_config_path
 672                 export PKG_CONFIG_PATH
 673         fi
 674 )
 675
 676 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 677 if test x$werror_flag = xyes; then
 678         WERROR_CFLAGS="-Werror"
 679 fi
 680 AC_SUBST([WERROR_CFLAGS])
 681
 682 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 683 AC_CONFIG_SUBDIRS(eglib)
 684
 685 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 686 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 687 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 688 BUILD_GLIB_LIBS="$GLIB_LIBS"
 689 GMODULE_CFLAGS="$GLIB_CFLAGS"
 690 GMODULE_LIBS="$GLIB_LIBS"
 691
 692 AC_SUBST(GLIB_CFLAGS)
 693 AC_SUBST(GLIB_LIBS)
 694 AC_SUBST(GMODULE_CFLAGS)
 695 AC_SUBST(GMODULE_LIBS)
 696 AC_SUBST(BUILD_GLIB_CFLAGS)
 697 AC_SUBST(BUILD_GLIB_LIBS)
 698
 699 # Enable support for fast thread-local storage
 700 # Some systems have broken support, so we allow to disable it.
 701 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 702
 703 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 704 # This does not work on some platforms (bug #55253)
 705 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 706
 707 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 708 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 709 # Same as --with-shared_mono=no
 710 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 711
 712 if test "x$enable_static" = "xno"; then
 713    with_static_mono=no
 714 fi
 715
 716 if test "x$enable_shared" = "xno"; then
 717    with_shared_mono=no
 718 fi
 719
 720 if test "x$enable_libraries" = "xno"; then
 721    with_shared_mono=no
 722 fi
 723
 724 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 725
 726 case $host in
 727 *nacl* ) with_shared_mono=yes;;
 728 esac
 729
 730 if test "x$host_win32" = "xyes"; then
 731    # Boehm GC requires the runtime to be in its own dll
 732    with_static_mono=no
 733 fi
 734
 735 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 736 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 737 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 738
 739 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 740 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 741         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 742         ORIG_CFLAGS=$CFLAGS
 743         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 744         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 745         AC_TRY_COMPILE([], [
 746                 return 0;
 747         ], [
 748            AC_MSG_RESULT(yes)
 749            # Pass it to libgc as well
 750            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 751         ], [
 752            AC_MSG_RESULT(no)
 753            CFLAGS=$ORIG_CFLAGS
 754         ])
 755 fi
 756
 757 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 758
 759 if test x$enable_small_config = xyes; then
 760         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 761         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 762 fi
 763
 764 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=$enableval, enable_system_aot=default)
 765
 766 DISABLED_FEATURES=none
 767
 768 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 769      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 770      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 771          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 772 [
 773         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 774                 eval "mono_feature_disable_$feature='yes'"
 775         done
 776         DISABLED_FEATURES=$enable_minimal
 777         disabled="Disabled:      $enable_minimal"
 778 ],[])
 779
 780 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 781
 782 if test "x$mono_feature_disable_aot" = "xyes"; then
 783         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 784         AC_MSG_NOTICE([Disabled AOT compiler])
 785 fi
 786
 787 if test "x$mono_feature_disable_profiler" = "xyes"; then
 788         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 789         AC_MSG_NOTICE([Disabled support for the profiler])
 790 fi
 791 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 792
 793 if test "x$mono_feature_disable_decimal" = "xyes"; then
 794         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 795         AC_MSG_NOTICE([Disabled support for decimal])
 796 fi
 797
 798 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 799         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 800         AC_MSG_NOTICE([Disabled support for P/Invoke])
 801 fi
 802
 803 if test "x$mono_feature_disable_debug" = "xyes"; then
 804         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 805         AC_MSG_NOTICE([Disabled support for runtime debugging])
 806 fi
 807
 808 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 809         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 810         mono_feature_disable_reflection_emit_save=yes
 811         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 812 fi
 813
 814 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 815         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 816         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 817 fi
 818
 819 if test "x$mono_feature_disable_large_code" = "xyes"; then
 820         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 821         AC_MSG_NOTICE([Disabled support for large assemblies])
 822 fi
 823
 824 if test "x$mono_feature_disable_logging" = "xyes"; then
 825         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 826         AC_MSG_NOTICE([Disabled support for logging])
 827 fi
 828
 829 if test "x$mono_feature_disable_com" = "xyes"; then
 830         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 831         AC_MSG_NOTICE([Disabled COM support])
 832 fi
 833
 834 if test "x$mono_feature_disable_ssa" = "xyes"; then
 835         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 836         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 837 fi
 838
 839 if test "x$mono_feature_disable_generics" = "xyes"; then
 840         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 841         AC_MSG_NOTICE([Disabled Generics Support])
 842 fi
 843
 844 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 845         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 846         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 847 fi
 848
 849 if test "x$mono_feature_disable_portability" = "xyes"; then
 850         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 851         AC_MSG_NOTICE([Disabled IO Portability layer])
 852 fi
 853
 854 if test "x$mono_feature_disable_attach" = "xyes"; then
 855         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 856         AC_MSG_NOTICE([Disabled agent attach])
 857 fi
 858
 859 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 860         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 861         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 862 fi
 863
 864 if test "x$mono_feature_disable_verifier" = "xyes"; then
 865         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 866         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 867 fi
 868
 869 if test "x$mono_feature_disable_jit" = "xyes"; then
 870         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 871         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 872 fi
 873
 874 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 875
 876 if test "x$mono_feature_disable_simd" = "xyes"; then
 877         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 878         AC_MSG_NOTICE([Disabled SIMD support])
 879 fi
 880
 881 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 882         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 883         AC_MSG_NOTICE([Disabled Soft Debugger.])
 884 fi
 885
 886 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 887         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 888         AC_MSG_NOTICE([Disabled Performance Counters.])
 889 fi
 890 if test "x$mono_feature_disable_normalization" = "xyes"; then
 891         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 892         AC_MSG_NOTICE([Disabled String normalization support.])
 893 fi
 894
 895 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 896         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 897         AC_MSG_NOTICE([Disabled Assembly remapping.])
 898 fi
 899
 900 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 901         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 902         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 903 fi
 904
 905 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 906         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 907         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 908 fi
 909
 910 if test "x$mono_feature_disable_remoting" = "xyes"; then
 911         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 912         AC_MSG_NOTICE([Disabled remoting])
 913 fi
 914
 915 if test "x$mono_feature_disable_security" = "xyes"; then
 916         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 917         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 918 fi
 919
 920 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 921         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 922         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 923 fi
 924
 925 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 926         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 927         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 928 fi
 929
 930 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 931         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 932         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 933 fi
 934
 935 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 936         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 937         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 938 fi
 939
 940 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 941         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 942         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 943 fi
 944
 945 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 946         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 947         AC_SUBST(DISABLE_SHARED_HANDLES)
 948 fi
 949
 950 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 951 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 952
 953 has_extension_module=no
 954 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 955 [
 956         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 957                 if test x$extension = xdefault ; then
 958                         has_extension_module=yes;
 959                 fi
 960         done
 961         if test x$enable_extension_module = xyes; then
 962                 has_extension_module=yes;
 963         fi
 964 ], [])
 965
 966 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 967
 968 if test x$has_extension_module != xno ; then
 969         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 970         AC_MSG_NOTICE([Enabling mono extension module.])
 971 fi
 972
 973 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 974 if test x$enable_gsharing = xyes; then
 975         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 976 fi
 977
 978 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 979 if test x$enable_native_types = xyes; then
 980         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 981 fi
 982
 983 AC_MSG_CHECKING(for visibility __attribute__)
 984 AC_COMPILE_IFELSE([
 985         AC_LANG_SOURCE([[
 986                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 987                 int main () { doit (); return 0; }
 988         ]])
 989 ], [
 990    have_visibility_hidden=yes
 991    AC_MSG_RESULT(yes)
 992 ], [
 993    have_visibility_hidden=no
 994    AC_MSG_RESULT(no)
 995 ])
 996
 997 AC_MSG_CHECKING(for deprecated __attribute__)
 998 AC_TRY_COMPILE([
 999      int doit (void) __attribute__ ((deprecated));
1000      int doit (void) { return 0; }
1001 ], [
1002         return 0;
1003 ], [
1004    have_deprecated=yes
1005    AC_MSG_RESULT(yes)
1006 ], [
1007    have_deprecated=no
1008    AC_MSG_RESULT(no)
1009 ])
1010
1011 dnl
1012 dnl Boehm GC configuration
1013 dnl
1014
1015 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1016
1017 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1018 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1019
1020 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1021 if test x$enable_parallel_mark = xyes; then
1022         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1023 fi
1024
1025 gc_headers=no
1026 gc_msg=""
1027 use_included_gc=no
1028 LIBGC_CPPFLAGS=
1029 LIBGC_LIBS=
1030 LIBGC_STATIC_LIBS=
1031 libgc_dir=
1032 case "x$libgc" in
1033         xboehm|xbohem|xyes)
1034                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1035                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1036
1037                 if test "x$found_boehm" != "xyes"; then
1038                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1039                 fi
1040                 if test "x$gc_headers" != "xyes"; then
1041                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1042                 fi
1043
1044                 LIBGC_LIBS="-lgc $libdl"
1045                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1046                 libmono_ldflags="$libmono_ldflags -lgc"
1047                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1048
1049                 # AC_CHECK_FUNCS does not work for some reason...
1050                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1051                 if test "x$found_gcj_malloc" = "xyes"; then
1052                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1053                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1054                         gc_msg="System Boehm with typed GC"
1055                 else
1056                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1057                         gc_msg="System Boehm (without typed GC)"
1058                 fi
1059                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1060                 if test "x$found_gc_enable" = "xyes"; then
1061                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1062                 fi
1063
1064                 # check whether we need to explicitly allow
1065                 # thread registering
1066                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1067                 if test "x$found_allow_register_threads" = "xyes"; then
1068                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1069                 fi
1070                 ;;
1071
1072         xincluded)
1073                 use_included_gc=yes
1074                 if test "x$support_boehm" = "xyes"; then
1075                         libgc_dir=libgc
1076                 fi
1077
1078                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1079                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1080                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1081
1082                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1083
1084                 if test x$target_win32 = xyes; then
1085                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1086                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1087                 fi
1088
1089                 gc_msg="Included Boehm GC with typed GC"
1090                 if test x$enable_parallel_mark = xyes; then
1091                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1092                         gc_msg="$gc_msg and parallel mark"
1093                 else
1094                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1095                 fi
1096                 ;;
1097
1098         xsgen)
1099                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1100                 ;;
1101
1102         xnone)
1103                 AC_MSG_WARN("Compiling mono without GC.")
1104                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1105                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1106                 gc_msg="none"
1107                 ;;
1108         *)
1109                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1110                 ;;
1111 esac
1112
1113 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1114 if test "x$large_heap" = "xyes"; then
1115    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1116 fi
1117
1118 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1119 AC_SUBST(LIBGC_CPPFLAGS)
1120 AC_SUBST(LIBGC_LIBS)
1121 AC_SUBST(LIBGC_STATIC_LIBS)
1122 AC_SUBST(libgc_dir)
1123 AC_SUBST(BOEHM_DEFINES)
1124
1125 dnl
1126 dnl End of Boehm GC Configuration
1127 dnl
1128
1129 dnl *************************************
1130 dnl *** Checks for zero length arrays ***
1131 dnl *************************************
1132 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1133 AC_TRY_COMPILE([
1134         struct s {
1135                 int  length;
1136                 char data [0];
1137         };
1138 ], [], [
1139         AC_MSG_RESULT(yes)
1140         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1141 ], [
1142         AC_MSG_RESULT(no)
1143         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1144 ])
1145
1146 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1147
1148 if test x$target_win32 = xno; then
1149
1150         dnl hires monotonic clock support
1151         AC_SEARCH_LIBS(clock_gettime, rt)
1152
1153         dnl dynamic loader support
1154         AC_CHECK_FUNC(dlopen, DL_LIB="",
1155                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1156         )
1157         if test x$dl_support = xno; then
1158                 AC_MSG_WARN([No dynamic loading support available])
1159         else
1160                 LIBS="$LIBS $DL_LIB"
1161                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1162                 dnl from glib's configure.ac
1163                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1164                         mono_cv_uscore,[
1165                         AC_TRY_RUN([#include <dlfcn.h>
1166                         int mono_underscore_test (void) { return 42; }
1167                         int main() {
1168                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1169                           handle = dlopen ((void*)0, 0);
1170                           if (handle) {
1171                             f1 = dlsym (handle, "mono_underscore_test");
1172                             f2 = dlsym (handle, "_mono_underscore_test");
1173                           } return (!f2 || f1);
1174                         }],
1175                                 [mono_cv_uscore=yes],
1176                                 [mono_cv_uscore=no],
1177                         [])
1178                 ])
1179                 if test "x$mono_cv_uscore" = "xyes"; then
1180                         MONO_DL_NEED_USCORE=1
1181                 else
1182                         MONO_DL_NEED_USCORE=0
1183                 fi
1184                 AC_SUBST(MONO_DL_NEED_USCORE)
1185                 AC_CHECK_FUNC(dlerror)
1186         fi
1187
1188         dnl ******************************************************************
1189         dnl *** Checks for the IKVM JNI interface library                  ***
1190         dnl ******************************************************************
1191         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])
1192
1193         ikvm_native_dir=
1194         if test x$with_ikvm_native = xyes; then
1195                 ikvm_native_dir=ikvm-native
1196                 jdk_headers_found="IKVM Native"
1197         fi
1198
1199         AC_SUBST(ikvm_native_dir)
1200
1201         AC_CHECK_HEADERS(execinfo.h)
1202
1203         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1204
1205         AC_CHECK_FUNCS(getgrgid_r)
1206         AC_CHECK_FUNCS(getgrnam_r)
1207         AC_CHECK_FUNCS(getpwnam_r)
1208         AC_CHECK_FUNCS(getpwuid_r)
1209         AC_CHECK_FUNCS(getresuid)
1210         AC_CHECK_FUNCS(setresuid)
1211         AC_CHECK_FUNCS(kqueue)
1212         AC_CHECK_FUNCS(backtrace_symbols)
1213         AC_CHECK_FUNCS(mkstemp)
1214         AC_CHECK_FUNCS(mmap)
1215         AC_CHECK_FUNCS(madvise)
1216         AC_CHECK_FUNCS(getrusage)
1217         AC_CHECK_FUNCS(getpriority)
1218         AC_CHECK_FUNCS(setpriority)
1219         AC_CHECK_FUNCS(dl_iterate_phdr)
1220         AC_CHECK_FUNCS(dladdr)
1221         AC_CHECK_FUNCS(sysconf)
1222         AC_CHECK_FUNCS(getrlimit)
1223
1224         AC_CHECK_FUNCS(sched_setaffinity)
1225         AC_CHECK_FUNCS(sched_getcpu)
1226
1227         dnl ****************************************************************
1228         dnl *** Check for sched_setaffinity from glibc versions before   ***
1229         dnl *** 2.3.4. The older versions of the function only take 2    ***
1230         dnl *** parameters, not 3.                                       ***
1231         dnl ***                                                          ***
1232         dnl *** Because the interface change was not made in a minor     ***
1233         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1234         dnl *** won't always indicate the interface sched_affinity has.  ***
1235         dnl ****************************************************************
1236         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1237         AC_TRY_COMPILE([#include <sched.h>], [
1238             int mask = 1;
1239             sched_setaffinity(0, &mask);
1240                         return 0;
1241         ], [
1242                 # Yes, we have it...
1243                 AC_MSG_RESULT(yes)
1244                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1245         ], [
1246                 # We have the new, three-parameter version
1247                 AC_MSG_RESULT(no)
1248         ])
1249
1250
1251         dnl ******************************************************************
1252         dnl *** Check for large file support                               ***
1253         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1254         dnl ******************************************************************
1255
1256         # Check that off_t can represent 2**63 - 1 correctly, working around
1257         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1258         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1259         large_offt=no
1260         AC_DEFUN([LARGE_FILES], [
1261                 large_CPPFLAGS=$CPPFLAGS
1262                 CPPFLAGS="$CPPFLAGS $1"
1263                 AC_TRY_COMPILE([
1264                         #include <sys/types.h>
1265                         #include <limits.h>
1266                 ], [
1267                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1268                         #define COMPILE_TIME_ASSERT(pred) \
1269                                 switch(0){case 0:case pred:;}
1270                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1271                 ], [
1272                         AC_MSG_RESULT(ok)
1273                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1274                         large_CPPFLAGS="$large_CPPFLAGS $1"
1275                         large_offt=yes
1276                 ], [
1277                         AC_MSG_RESULT(no)
1278                 ])
1279                 CPPFLAGS=$large_CPPFLAGS
1280         ])
1281
1282         AC_MSG_CHECKING(if off_t is 64 bits wide)
1283         LARGE_FILES("")
1284         if test $large_offt = no; then
1285                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1286                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1287         fi
1288         if test $large_offt = no; then
1289                 AC_MSG_WARN([No 64 bit file size support available])
1290         fi
1291
1292         dnl *****************************
1293         dnl *** Checks for libsocket  ***
1294         dnl *****************************
1295         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1296
1297         case "$host" in
1298                 *-*-*freebsd*)
1299                         dnl *****************************
1300                         dnl *** Checks for libinotify ***
1301                         dnl *****************************
1302                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1303         esac
1304
1305         dnl *******************************
1306         dnl *** Checks for MSG_NOSIGNAL ***
1307         dnl *******************************
1308         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1309         AC_TRY_COMPILE([#include <sys/socket.h>], [
1310                 int f = MSG_NOSIGNAL;
1311         ], [
1312                 # Yes, we have it...
1313                 AC_MSG_RESULT(yes)
1314                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1315         ], [
1316                 # We'll have to use signals
1317                 AC_MSG_RESULT(no)
1318         ])
1319
1320         dnl *****************************
1321         dnl *** Checks for IPPROTO_IP ***
1322         dnl *****************************
1323         AC_MSG_CHECKING(for IPPROTO_IP)
1324         AC_TRY_COMPILE([#include <netinet/in.h>], [
1325                 int level = IPPROTO_IP;
1326         ], [
1327                 # Yes, we have it...
1328                 AC_MSG_RESULT(yes)
1329                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1330         ], [
1331                 # We'll have to use getprotobyname
1332                 AC_MSG_RESULT(no)
1333         ])
1334
1335         dnl *******************************
1336         dnl *** Checks for IPPROTO_IPV6 ***
1337         dnl *******************************
1338         AC_MSG_CHECKING(for IPPROTO_IPV6)
1339         AC_TRY_COMPILE([#include <netinet/in.h>], [
1340                 int level = IPPROTO_IPV6;
1341         ], [
1342                 # Yes, we have it...
1343                 AC_MSG_RESULT(yes)
1344                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1345         ], [
1346                 # We'll have to use getprotobyname
1347                 AC_MSG_RESULT(no)
1348         ])
1349
1350         dnl ******************************
1351         dnl *** Checks for IPPROTO_TCP ***
1352         dnl ******************************
1353         AC_MSG_CHECKING(for IPPROTO_TCP)
1354         AC_TRY_COMPILE([#include <netinet/in.h>], [
1355                 int level = IPPROTO_TCP;
1356         ], [
1357                 # Yes, we have it...
1358                 AC_MSG_RESULT(yes)
1359                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1360         ], [
1361                 # We'll have to use getprotobyname
1362                 AC_MSG_RESULT(no)
1363         ])
1364
1365         dnl *****************************
1366         dnl *** Checks for SOL_IP     ***
1367         dnl *****************************
1368         AC_MSG_CHECKING(for SOL_IP)
1369         AC_TRY_COMPILE([#include <netdb.h>], [
1370                 int level = SOL_IP;
1371         ], [
1372                 # Yes, we have it...
1373                 AC_MSG_RESULT(yes)
1374                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1375         ], [
1376                 # We'll have to use getprotobyname
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl *****************************
1381         dnl *** Checks for SOL_IPV6     ***
1382         dnl *****************************
1383         AC_MSG_CHECKING(for SOL_IPV6)
1384         AC_TRY_COMPILE([#include <netdb.h>], [
1385                 int level = SOL_IPV6;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1390         ], [
1391                 # We'll have to use getprotobyname
1392                 AC_MSG_RESULT(no)
1393         ])
1394
1395         dnl *****************************
1396         dnl *** Checks for SOL_TCP    ***
1397         dnl *****************************
1398         AC_MSG_CHECKING(for SOL_TCP)
1399         AC_TRY_COMPILE([#include <netdb.h>], [
1400                 int level = SOL_TCP;
1401         ], [
1402                 # Yes, we have it...
1403                 AC_MSG_RESULT(yes)
1404                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1405         ], [
1406                 # We'll have to use getprotobyname
1407                 AC_MSG_RESULT(no)
1408         ])
1409
1410         dnl *****************************
1411         dnl *** Checks for IP_PKTINFO ***
1412         dnl *****************************
1413         AC_MSG_CHECKING(for IP_PKTINFO)
1414         AC_TRY_COMPILE([#include <linux/in.h>], [
1415                 int level = IP_PKTINFO;
1416         ], [
1417                 # Yes, we have it...
1418                 AC_MSG_RESULT(yes)
1419                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1420         ], [
1421                 AC_MSG_RESULT(no)
1422         ])
1423
1424         dnl *****************************
1425         dnl *** Checks for IPV6_PKTINFO ***
1426         dnl *****************************
1427         AC_MSG_CHECKING(for IPV6_PKTINFO)
1428         AC_TRY_COMPILE([#include <netdb.h>], [
1429                 int level = IPV6_PKTINFO;
1430         ], [
1431                 # Yes, we have it...
1432                 AC_MSG_RESULT(yes)
1433                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1434         ], [
1435                 AC_MSG_RESULT(no)
1436         ])
1437
1438         dnl **********************************
1439         dnl *** Checks for IP_DONTFRAG     ***
1440         dnl **********************************
1441         AC_MSG_CHECKING(for IP_DONTFRAG)
1442         AC_TRY_COMPILE([#include <netinet/in.h>], [
1443                 int level = IP_DONTFRAG;
1444         ], [
1445                 # Yes, we have it...
1446                 AC_MSG_RESULT(yes)
1447                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1448         ], [
1449                 AC_MSG_RESULT(no)
1450         ])
1451
1452         dnl **********************************
1453         dnl *** Checks for IP_DONTFRAGMENT ***
1454         dnl **********************************
1455         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1456         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1457                 int level = IP_DONTFRAGMENT;
1458         ], [
1459                 # Yes, we have it...
1460                 AC_MSG_RESULT(yes)
1461                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1462         ], [
1463                 AC_MSG_RESULT(no)
1464         ])
1465
1466         dnl **********************************
1467         dnl *** Checks for IP_MTU_DISCOVER ***
1468         dnl **********************************
1469         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1470         AC_TRY_COMPILE([#include <linux/in.h>], [
1471                 int level = IP_MTU_DISCOVER;
1472         ], [
1473                 # Yes, we have it...
1474                 AC_MSG_RESULT(yes)
1475                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1476         ], [
1477                 AC_MSG_RESULT(no)
1478         ])
1479
1480         dnl **********************************
1481         dnl *** Checks for  IP_PMTUDISC_DO ***
1482         dnl **********************************
1483         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1484         AC_TRY_COMPILE([#include <linux/in.h>], [
1485                 int level = IP_PMTUDISC_DO;
1486         ], [
1487                 # Yes, we have it...
1488                 AC_MSG_RESULT(yes)
1489                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1490         ], [
1491                 AC_MSG_RESULT(no)
1492         ])
1493
1494         dnl *********************************
1495         dnl *** Check for struct ip_mreqn ***
1496         dnl *********************************
1497         AC_MSG_CHECKING(for struct ip_mreqn)
1498         AC_TRY_COMPILE([#include <netinet/in.h>], [
1499                 struct ip_mreqn mreq;
1500                 mreq.imr_address.s_addr = 0;
1501         ], [
1502                 # Yes, we have it...
1503                 AC_MSG_RESULT(yes)
1504                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1505         ], [
1506                 # We'll just have to try and use struct ip_mreq
1507                 AC_MSG_RESULT(no)
1508                 AC_MSG_CHECKING(for struct ip_mreq)
1509                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1510                         struct ip_mreq mreq;
1511                         mreq.imr_interface.s_addr = 0;
1512                 ], [
1513                         # Yes, we have it...
1514                         AC_MSG_RESULT(yes)
1515                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1516                 ], [
1517                         # No multicast support
1518                         AC_MSG_RESULT(no)
1519                 ])
1520         ])
1521
1522         dnl **********************************
1523         dnl *** Check for getaddrinfo ***
1524         dnl **********************************
1525         AC_MSG_CHECKING(for getaddrinfo)
1526                 AC_TRY_LINK([
1527                 #include <stdio.h>
1528                 #include <netdb.h>
1529         ], [
1530                 getaddrinfo(NULL,NULL,NULL,NULL);
1531         ], [
1532                 # Yes, we have it...
1533                 AC_MSG_RESULT(yes)
1534                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1535         ], [
1536                 AC_MSG_RESULT(no)
1537         ])
1538
1539         dnl **********************************
1540         dnl *** Check for gethostbyname2_r ***
1541         dnl **********************************
1542         AC_MSG_CHECKING(for gethostbyname2_r)
1543                 AC_TRY_LINK([
1544                 #include <stdio.h>
1545                 #include <netdb.h>
1546         ], [
1547
1548                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1549         ], [
1550                 # Yes, we have it...
1551                 AC_MSG_RESULT(yes)
1552                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1553         ], [
1554                 AC_MSG_RESULT(no)
1555         ])
1556
1557         dnl **********************************
1558         dnl *** Check for gethostbyname2 ***
1559         dnl **********************************
1560         AC_MSG_CHECKING(for gethostbyname2)
1561                 AC_TRY_LINK([
1562                 #include <stdio.h>
1563                 #include <netdb.h>
1564         ], [
1565                 gethostbyname2(NULL,0);
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1570         ], [
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl **********************************
1575         dnl *** Check for gethostbyname ***
1576         dnl **********************************
1577         AC_MSG_CHECKING(for gethostbyname)
1578                 AC_TRY_LINK([
1579                 #include <stdio.h>
1580                 #include <netdb.h>
1581         ], [
1582                 gethostbyname(NULL);
1583         ], [
1584                 # Yes, we have it...
1585                 AC_MSG_RESULT(yes)
1586                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1587         ], [
1588                 AC_MSG_RESULT(no)
1589         ])
1590
1591         dnl **********************************
1592         dnl *** Check for getprotobyname ***
1593         dnl **********************************
1594         AC_MSG_CHECKING(for getprotobyname)
1595                 AC_TRY_LINK([
1596                 #include <stdio.h>
1597                 #include <netdb.h>
1598         ], [
1599                 getprotobyname(NULL);
1600         ], [
1601                 # Yes, we have it...
1602                 AC_MSG_RESULT(yes)
1603                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1604         ], [
1605                 AC_MSG_RESULT(no)
1606         ])
1607
1608         dnl *****************************
1609         dnl *** Checks for libnsl     ***
1610         dnl *****************************
1611         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1612
1613         AC_CHECK_FUNCS(inet_pton inet_aton)
1614
1615         dnl *****************************
1616         dnl *** Checks for libxnet    ***
1617         dnl *****************************
1618         case "${host}" in
1619                 *solaris* )
1620                         AC_MSG_CHECKING(for Solaris XPG4 support)
1621                         if test -f /usr/lib/libxnet.so; then
1622                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1623                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1624                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1625                                 LIBS="$LIBS -lxnet"
1626                                 AC_MSG_RESULT(yes)
1627                         else
1628                                 AC_MSG_RESULT(no)
1629                         fi
1630
1631                         if test "$GCC" = "yes"; then
1632                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1633                         fi
1634                 ;;
1635         esac
1636
1637         dnl *****************************
1638         dnl *** Checks for libpthread ***
1639         dnl *****************************
1640 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1641 # and libpthread does not exist
1642 #
1643         case "${host}" in
1644                 *-*-*freebsd*)
1645                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1646                 ;;
1647                 *-*-*openbsd*)
1648                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1649                 ;;
1650                 *)
1651                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1652                 ;;
1653         esac
1654         AC_CHECK_HEADERS(pthread.h)
1655         AC_CHECK_HEADERS(pthread_np.h)
1656         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1657         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1658         AC_CHECK_FUNCS(pthread_kill)
1659         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1660         AC_TRY_COMPILE([ #include <pthread.h>], [
1661                 pthread_mutexattr_t attr;
1662                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1663         ], [
1664                 AC_MSG_RESULT(ok)
1665         ], [
1666                 AC_MSG_RESULT(no)
1667                 AC_ERROR(Posix system lacks support for recursive mutexes)
1668         ])
1669         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1670         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1671         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1672
1673         dnl ***********************************
1674         dnl *** Checks for signals
1675         dnl ***********************************
1676         AC_CHECK_HEADERS(signal.h)
1677         AC_CHECK_FUNCS(sigaction)
1678
1679         dnl ***********************************
1680         dnl *** Checks for working __thread ***
1681         dnl ***********************************
1682         AC_MSG_CHECKING(for working __thread)
1683         if test "x$with_tls" != "x__thread"; then
1684                 AC_MSG_RESULT(disabled)
1685         elif test "x$cross_compiling" = "xyes"; then
1686                 AC_MSG_RESULT(cross compiling, assuming yes)
1687         else
1688                 AC_TRY_RUN([
1689                         #if defined(__APPLE__) && defined(__clang__)
1690                         #error "__thread does not currently work with clang on Mac OS X"
1691                         #endif
1692
1693                         #include <pthread.h>
1694                         __thread int i;
1695                         static int res1, res2;
1696
1697                         void thread_main (void *arg)
1698                         {
1699                                 i = arg;
1700                                 sleep (1);
1701                                 if (arg == 1)
1702                                         res1 = (i == arg);
1703                                 else
1704                                         res2 = (i == arg);
1705                         }
1706
1707                         int main () {
1708                                 pthread_t t1, t2;
1709
1710                                 i = 5;
1711
1712                                 pthread_create (&t1, NULL, thread_main, 1);
1713                                 pthread_create (&t2, NULL, thread_main, 2);
1714
1715                                 pthread_join (t1, NULL);
1716                                 pthread_join (t2, NULL);
1717
1718                                 return !(res1 + res2 == 2);
1719                         }
1720                 ], [
1721                                 AC_MSG_RESULT(yes)
1722                 ], [
1723                                 AC_MSG_RESULT(no)
1724                                 with_tls=pthread
1725                 ])
1726         fi
1727
1728         dnl **************************************
1729         dnl *** Checks for working sigaltstack ***
1730         dnl **************************************
1731         AC_MSG_CHECKING(for working sigaltstack)
1732         if test "x$with_sigaltstack" != "xyes"; then
1733                 AC_MSG_RESULT(disabled)
1734         elif test "x$cross_compiling" = "xyes"; then
1735                 AC_MSG_RESULT(cross compiling, assuming yes)
1736         else
1737                 AC_TRY_RUN([
1738                         #include <stdio.h>
1739                         #include <stdlib.h>
1740                         #include <unistd.h>
1741                         #include <signal.h>
1742                         #include <pthread.h>
1743                         #include <sys/wait.h>
1744                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1745                         #define SA_STACK SA_ONSTACK
1746                         #endif
1747                         static void
1748                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1749                         {
1750                                 exit (0);
1751                         }
1752
1753                         volatile char*__ptr = NULL;
1754                         static void *
1755                         loop (void *ignored)
1756                         {
1757                                 *__ptr = 0;
1758                                 return NULL;
1759                         }
1760
1761                         static void
1762                         child ()
1763                         {
1764                                 struct sigaction sa;
1765                         #ifdef __APPLE__
1766                                 stack_t sas;
1767                         #else
1768                                 struct sigaltstack sas;
1769                         #endif
1770                                 pthread_t id;
1771                                 pthread_attr_t attr;
1772
1773                                 sa.sa_sigaction = sigsegv_signal_handler;
1774                                 sigemptyset (&sa.sa_mask);
1775                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1776                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1777                                         perror ("sigaction");
1778                                         return;
1779                                 }
1780
1781                                 /* x86 darwin deliver segfaults using SIGBUS */
1782                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1783                                         perror ("sigaction");
1784                                         return;
1785                                 }
1786                                 sas.ss_sp = malloc (SIGSTKSZ);
1787                                 sas.ss_size = SIGSTKSZ;
1788                                 sas.ss_flags = 0;
1789                                 if (sigaltstack (&sas, NULL) == -1) {
1790                                         perror ("sigaltstack");
1791                                         return;
1792                                 }
1793
1794                                 pthread_attr_init (&attr);
1795                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1796                                         printf ("pthread_create\n");
1797                                         return;
1798                                 }
1799
1800                                 sleep (100);
1801                         }
1802
1803                         int
1804                         main ()
1805                         {
1806                                 pid_t son;
1807                                 int status;
1808                                 int i;
1809
1810                                 son = fork ();
1811                                 if (son == -1) {
1812                                         return 1;
1813                                 }
1814
1815                                 if (son == 0) {
1816                                         child ();
1817                                         return 0;
1818                                 }
1819
1820                                 for (i = 0; i < 300; ++i) {
1821                                         waitpid (son, &status, WNOHANG);
1822                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1823                                                 return 0;
1824                                         usleep (10000);
1825                                 }
1826
1827                                 kill (son, SIGKILL);
1828                                 return 1;
1829                         }
1830
1831                 ], [
1832                                 AC_MSG_RESULT(yes)
1833                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1834                 ], [
1835                                 with_sigaltstack=no
1836                                 AC_MSG_RESULT(no)
1837                 ])
1838         fi
1839
1840         dnl ********************************
1841         dnl *** Checks for semaphore lib ***
1842         dnl ********************************
1843         # 'Real Time' functions on Solaris
1844         # posix4 on Solaris 2.6
1845         # pthread (first!) on Linux
1846         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1847
1848         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1849         AC_CHECK_FUNCS(shm_open)
1850
1851         dnl ********************************
1852         dnl *** Checks for timezone stuff **
1853         dnl ********************************
1854         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1855                 AC_TRY_COMPILE([
1856                         #include <time.h>
1857                         ], [
1858                         struct tm tm;
1859                         tm.tm_gmtoff = 1;
1860                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1861         if test $ac_cv_struct_tm_gmtoff = yes; then
1862                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1863         else
1864                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1865                         AC_TRY_COMPILE([
1866                                 #include <time.h>
1867                         ], [
1868                                 timezone = 1;
1869                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1870                 if test $ac_cv_var_timezone = yes; then
1871                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1872                 else
1873                         AC_ERROR(unable to find a way to determine timezone)
1874                 fi
1875         fi
1876
1877         dnl *********************************
1878         dnl *** Checks for math functions ***
1879         dnl *********************************
1880         AC_SEARCH_LIBS(sqrtf, m)
1881         if test "x$has_broken_apple_cpp" != "xyes"; then
1882                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1883                         AC_TRY_LINK([#include <math.h>],
1884                         [ finite(0.0); ],
1885                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1886                         AC_MSG_RESULT(no)))
1887         fi
1888         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1889                 AC_TRY_LINK([#include <math.h>],
1890                 [ isfinite(0.0); ],
1891                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1892                 AC_MSG_RESULT(no)))
1893
1894         dnl ****************************************************************
1895         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1896         dnl *** have it in the library (duh))                            ***
1897         dnl ****************************************************************
1898         AC_CHECK_FUNCS(poll)
1899
1900         dnl *************************
1901         dnl *** Check for signbit ***
1902         dnl *************************
1903         AC_MSG_CHECKING(for signbit)
1904         AC_TRY_LINK([#include <math.h>], [
1905                 int s = signbit(1.0);
1906         ], [
1907                 AC_MSG_RESULT(yes)
1908                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1909         ], [
1910                 AC_MSG_RESULT(no)
1911         ])
1912
1913         dnl **********************************
1914         dnl *** epoll                      ***
1915         dnl **********************************
1916         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1917                 AC_CHECK_HEADERS(sys/epoll.h)
1918                 haveepoll=no
1919                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1920                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1921                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1922                 fi
1923         fi
1924
1925         havekqueue=no
1926
1927         AC_CHECK_HEADERS(sys/event.h)
1928         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1929
1930         dnl **************************************
1931         dnl * Darwin has a race that prevents us from using reliably:
1932         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1933         dnl * Since kqueue is mostly used for scaling large web servers,
1934         dnl * and very few folks run Mono on large web servers on OSX, falling
1935         dnl * back
1936         dnl **************************************
1937         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1938                 if test "x$platform_darwin" = "xno"; then
1939                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1940                 fi
1941         fi
1942
1943         dnl ******************************
1944         dnl *** Checks for SIOCGIFCONF ***
1945         dnl ******************************
1946         AC_CHECK_HEADERS(sys/ioctl.h)
1947         AC_CHECK_HEADERS(net/if.h, [], [],
1948            [
1949            #ifdef HAVE_SYS_TYPES_H
1950            # include <sys/types.h>
1951            #endif
1952            #ifdef HAVE_SYS_SOCKET_H
1953            # include <sys/socket.h>
1954            #endif
1955            ])
1956         AC_MSG_CHECKING(for ifreq)
1957         AC_TRY_COMPILE([
1958                 #include <stdio.h>
1959                 #include <sys/ioctl.h>
1960                 #include <net/if.h>
1961                 ], [
1962                 struct ifconf ifc;
1963                 struct ifreq *ifr;
1964                 void *x;
1965                 ifc.ifc_len = 0;
1966                 ifc.ifc_buf = NULL;
1967                 x = (void *) &ifr->ifr_addr;
1968                 ],[
1969                         AC_MSG_RESULT(yes)
1970                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1971                 ], [
1972                         AC_MSG_RESULT(no)
1973                 ])
1974         dnl **********************************
1975         dnl ***     Checks for sin_len     ***
1976         dnl **********************************
1977         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1978         AC_TRY_COMPILE([
1979                 #include <netinet/in.h>
1980                 ], [
1981                 struct sockaddr_in saddr;
1982                 saddr.sin_len = sizeof (saddr);
1983                 ],[
1984                         AC_MSG_RESULT(yes)
1985                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1986                 ], [
1987                         AC_MSG_RESULT(no)
1988                 ])
1989         dnl **********************************
1990         dnl ***    Checks for sin6_len     ***
1991         dnl **********************************
1992         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1993         AC_TRY_COMPILE([
1994                 #include <netinet/in.h>
1995                 ], [
1996                 struct sockaddr_in6 saddr6;
1997                 saddr6.sin6_len = sizeof (saddr6);
1998                 ],[
1999                         AC_MSG_RESULT(yes)
2000                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2001                 ], [
2002                         AC_MSG_RESULT(no)
2003                 ])
2004         dnl **********************************
2005         dnl *** Check for getifaddrs       ***
2006         dnl **********************************
2007         AC_MSG_CHECKING(for getifaddrs)
2008                 AC_TRY_LINK([
2009                 #include <stdio.h>
2010                 #include <sys/types.h>
2011                 #include <sys/socket.h>
2012                 #include <ifaddrs.h>
2013         ], [
2014                 getifaddrs(NULL);
2015         ], [
2016                 # Yes, we have it...
2017                 AC_MSG_RESULT(yes)
2018                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2019         ], [
2020                 AC_MSG_RESULT(no)
2021         ])
2022         dnl **********************************
2023         dnl *** Check for if_nametoindex   ***
2024         dnl **********************************
2025         AC_MSG_CHECKING(for if_nametoindex)
2026                 AC_TRY_LINK([
2027                 #include <stdio.h>
2028                 #include <sys/types.h>
2029                 #include <sys/socket.h>
2030                 #include <net/if.h>
2031         ], [
2032                 if_nametoindex(NULL);
2033         ], [
2034                 # Yes, we have it...
2035                 AC_MSG_RESULT(yes)
2036                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2037         ], [
2038                 AC_MSG_RESULT(no)
2039         ])
2040
2041         dnl **********************************
2042         dnl *** Checks for MonoPosixHelper ***
2043         dnl **********************************
2044         AC_CHECK_HEADERS(checklist.h)
2045         AC_CHECK_HEADERS(pathconf.h)
2046         AC_CHECK_HEADERS(fstab.h)
2047         AC_CHECK_HEADERS(attr/xattr.h)
2048         AC_CHECK_HEADERS(sys/extattr.h)
2049         AC_CHECK_HEADERS(sys/sendfile.h)
2050         AC_CHECK_HEADERS(sys/statvfs.h)
2051         AC_CHECK_HEADERS(sys/statfs.h)
2052         AC_CHECK_HEADERS(sys/vfstab.h)
2053         AC_CHECK_HEADERS(sys/xattr.h)
2054         AC_CHECK_HEADERS(sys/mman.h)
2055         AC_CHECK_HEADERS(sys/param.h)
2056         AC_CHECK_HEADERS(sys/mount.h, [], [],
2057                 [
2058                 #ifdef HAVE_SYS_PARAM_H
2059                 # include <sys/param.h>
2060                 #endif
2061                 ])
2062         AC_CHECK_HEADERS(sys/mount.h)
2063         AC_CHECK_FUNCS(confstr)
2064         AC_CHECK_FUNCS(seekdir telldir)
2065         AC_CHECK_FUNCS(getdomainname)
2066         AC_CHECK_FUNCS(setdomainname)
2067         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2068         AC_CHECK_FUNCS(setgroups)
2069         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2070         AC_CHECK_FUNCS(getfsstat)
2071         AC_CHECK_FUNCS(lutimes futimes)
2072         AC_CHECK_FUNCS(mremap)
2073         AC_CHECK_FUNCS(remap_file_pages)
2074         AC_CHECK_FUNCS(posix_fadvise)
2075         AC_CHECK_FUNCS(posix_fallocate)
2076         AC_CHECK_FUNCS(posix_madvise)
2077         AC_CHECK_FUNCS(vsnprintf)
2078         AC_CHECK_FUNCS(sendfile)
2079         AC_CHECK_FUNCS(gethostid sethostid)
2080         AC_CHECK_FUNCS(sethostname)
2081         AC_CHECK_FUNCS(statfs)
2082         AC_CHECK_FUNCS(fstatfs)
2083         AC_CHECK_FUNCS(statvfs)
2084         AC_CHECK_FUNCS(fstatvfs)
2085         AC_CHECK_FUNCS(stime)
2086         AC_CHECK_FUNCS(strerror_r)
2087         AC_CHECK_FUNCS(ttyname_r)
2088         AC_CHECK_FUNCS(psignal)
2089         AC_CHECK_FUNCS(getlogin_r)
2090         AC_CHECK_FUNCS(lockf)
2091         AC_CHECK_FUNCS(swab)
2092         AC_CHECK_FUNCS(setusershell endusershell)
2093         AC_CHECK_FUNCS(futimens utimensat)
2094         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2095         AC_CHECK_FUNCS(readv writev preadv pwritev)
2096         AC_CHECK_FUNCS(setpgid)
2097         AC_CHECK_SIZEOF(size_t)
2098         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2099                 [#include <sys/types.h>
2100                  #include <sys/stat.h>
2101                  #include <unistd.h>])
2102         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2103                 [#include <sys/types.h>
2104                  #include <sys/stat.h>
2105                  #include <unistd.h>])
2106         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2107                 [#include <sys/time.h>])
2108         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2109                 [#include <unistd.h>
2110                  #include <fcntl.h>])
2111         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2112                 [#include <sys/uio.h>])
2113         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2114                 [#include <sys/poll.h>])
2115         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2116                 [#include <sys/types.h>
2117                  #include <sys/stat.h>
2118                  #include <unistd.h>])
2119         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2120                 [#include <time.h>])
2121         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2122                 [#include <sys/time.h>
2123                  #include <sys/types.h>
2124                  #include <utime.h>])
2125         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2126                 [#include <sys/time.h>])
2127         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2128                 [#include <sys/types.h>
2129                  #include <utime.h>])
2130         AC_CHECK_MEMBERS(
2131                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2132                 [#include <sys/types.h>
2133                  #include <dirent.h>])
2134         AC_CHECK_MEMBERS(
2135                 [struct passwd.pw_gecos],,,
2136                 [#include <sys/types.h>
2137                  #include <pwd.h>])
2138         AC_CHECK_MEMBERS(
2139                 [struct statfs.f_flags],,,
2140                 [#include <sys/types.h>
2141                  #include <sys/vfs.h>])
2142         AC_CHECK_MEMBERS(
2143                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2144                 [#include <sys/types.h>
2145                  #include <sys/stat.h>
2146                  #include <unistd.h>])
2147
2148         dnl Favour xattr through glibc, but use libattr if we have to
2149         AC_CHECK_FUNC(lsetxattr, ,
2150                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2151         )
2152         AC_SUBST(XATTR_LIB)
2153
2154         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2155         AC_CHECK_MEMBERS(
2156                 [struct kinfo_proc.kp_proc],,,
2157                 [#include <sys/types.h>
2158                  #include <sys/param.h>
2159                  #include <sys/sysctl.h>
2160                  #include <sys/proc.h>
2161                  ])
2162
2163         dnl *********************************
2164         dnl *** Checks for Windows compilation ***
2165         dnl *********************************
2166         AC_CHECK_HEADERS(sys/time.h)
2167         AC_CHECK_HEADERS(sys/param.h)
2168         AC_CHECK_HEADERS(dirent.h)
2169
2170         dnl ******************************************
2171         dnl *** Checks for OSX and iOS compilation ***
2172         dnl ******************************************
2173         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2174
2175         dnl *********************************
2176         dnl *** Check for Console 2.0 I/O ***
2177         dnl *********************************
2178         AC_CHECK_HEADERS([curses.h])
2179         AC_CHECK_HEADERS([term.h], [], [],
2180         [#if HAVE_CURSES_H
2181          #include <curses.h>
2182          #endif
2183         ])
2184         AC_CHECK_HEADERS([termios.h])
2185
2186         dnl * This is provided in io-layer, but on windows it's only available
2187         dnl * on xp+
2188         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2189 else
2190         dnl *********************************
2191         dnl *** Checks for Windows compilation ***
2192         dnl *********************************
2193         AC_CHECK_HEADERS(winternl.h)
2194
2195         jdk_headers_found=no
2196         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2197         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2198         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2199         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2200         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2201         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2202         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2203
2204         dnl *********************************
2205         dnl *** Check for struct ip_mreqn ***
2206         dnl *********************************
2207         AC_MSG_CHECKING(for struct ip_mreqn)
2208         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2209                 struct ip_mreqn mreq;
2210                 mreq.imr_address.s_addr = 0;
2211         ], [
2212                 # Yes, we have it...
2213                 AC_MSG_RESULT(yes)
2214                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2215         ], [
2216                 # We'll just have to try and use struct ip_mreq
2217                 AC_MSG_RESULT(no)
2218                 AC_MSG_CHECKING(for struct ip_mreq)
2219                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2220                         struct ip_mreq mreq;
2221                         mreq.imr_interface.s_addr = 0;
2222                 ], [
2223                         # Yes, we have it...
2224                         AC_MSG_RESULT(yes)
2225                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2226                 ], [
2227                         # No multicast support
2228                         AC_MSG_RESULT(no)
2229                 ])
2230         ])
2231         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2232         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2233         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2234         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2235         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2236         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2237         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2238
2239         AC_MSG_CHECKING(for GetProcessId)
2240         AC_TRY_COMPILE([#include <windows.h>], [
2241                 GetProcessId (0);
2242         ], [
2243            AC_MSG_RESULT(yes)
2244            AC_DEFINE(HAVE_GETPROCESSID)
2245         ], [
2246            AC_MSG_RESULT(no)
2247         ])
2248 fi
2249
2250 dnl socklen_t check
2251 AC_MSG_CHECKING(for socklen_t)
2252 AC_TRY_COMPILE([
2253 #include <sys/types.h>
2254 #include <sys/socket.h>
2255 ],[
2256   socklen_t foo;
2257 ],[
2258 ac_cv_c_socklen_t=yes
2259         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2260         AC_MSG_RESULT(yes)
2261 ],[
2262         AC_MSG_RESULT(no)
2263 ])
2264
2265 AC_MSG_CHECKING(for array element initializer support)
2266 AC_TRY_COMPILE([#include <sys/socket.h>], [
2267         const int array[] = {[1] = 2,};
2268 ], [
2269         # Yes, we have it...
2270         AC_MSG_RESULT(yes)
2271         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2272 ], [
2273         # We'll have to use signals
2274         AC_MSG_RESULT(no)
2275 ])
2276
2277 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2278         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2279         AC_TRY_LINK([#include <math.h>],
2280         [ static void *p = &trunc; ],
2281         [
2282                 AC_DEFINE(HAVE_TRUNC)
2283                 AC_MSG_RESULT(yes)
2284                 ac_cv_trunc=yes
2285         ],
2286         AC_MSG_RESULT(no)))
2287
2288 if test "x$ac_cv_truncl" != "xyes"; then
2289    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2290 fi
2291
2292 AC_CHECK_FUNCS(round)
2293 AC_CHECK_FUNCS(rint)
2294 AC_CHECK_FUNCS(execvp)
2295
2296 dnl ****************************
2297 dnl *** Look for /dev/random ***
2298 dnl ****************************
2299
2300 AC_MSG_CHECKING([if usage of random device is requested])
2301 AC_ARG_ENABLE(dev-random,
2302 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2303 try_dev_random=$enableval, try_dev_random=yes)
2304
2305 AC_MSG_RESULT($try_dev_random)
2306
2307 case "{$build}" in
2308     *-openbsd*)
2309     NAME_DEV_RANDOM="/dev/srandom"
2310     ;;
2311
2312 dnl Win32 does not have /dev/random, they have their own method...
2313
2314     *-mingw*|*-*-cygwin*)
2315     ac_cv_have_dev_random=no
2316     ;;
2317
2318 dnl Everywhere else, it's /dev/random
2319
2320     *)
2321     NAME_DEV_RANDOM="/dev/random"
2322     ;;
2323 esac
2324
2325 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2326
2327 dnl Now check if the device actually exists
2328
2329 if test "x$try_dev_random" = "xyes"; then
2330     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2331     [if test -r "$NAME_DEV_RANDOM" ; then
2332         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2333     if test "x$ac_cv_have_dev_random" = "xyes"; then
2334         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2335     fi
2336 else
2337     AC_MSG_CHECKING(for random device)
2338     ac_cv_have_dev_random=no
2339     AC_MSG_RESULT(has been disabled)
2340 fi
2341
2342 if test "x$host_win32" = "xyes"; then
2343     AC_DEFINE(HAVE_CRYPT_RNG)
2344 fi
2345
2346 if test "x$ac_cv_have_dev_random" = "xno" \
2347     && test "x$host_win32" = "xno"; then
2348     AC_MSG_WARN([[
2349 ***
2350 *** A system-provided entropy source was not found on this system.
2351 *** Because of this, the System.Security.Cryptography random number generator
2352 *** will throw a NotImplemented exception.
2353 ***
2354 *** If you are seeing this message, and you know your system DOES have an
2355 *** entropy collection in place, please contact <crichton@gimp.org> and
2356 *** provide information about the system and how to access the random device.
2357 ***
2358 *** Otherwise you can install either egd or prngd and set the environment
2359 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2360 ***]])
2361 fi
2362
2363 AC_MSG_CHECKING([if inter-process shared handles are requested])
2364 # Same as --enable-minimal=shared_handles
2365 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2366 AC_MSG_RESULT($try_shared_handles)
2367 if test "x$try_shared_handles" != "xyes"; then
2368         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2369         AC_SUBST(DISABLE_SHARED_HANDLES)
2370 fi
2371
2372 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2373
2374 AC_MSG_CHECKING([if big-arrays are to be enabled])
2375 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2376 if test "x$enable_big_arrays" = "xyes" ; then
2377     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2378         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2379     else
2380         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2381     fi
2382 fi
2383 AC_MSG_RESULT($enable_big_arrays)
2384
2385 dnl **************
2386 dnl *** DTRACE ***
2387 dnl **************
2388
2389 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2390
2391 if test "x$enable_dtrace" = "xyes"; then
2392    if test "x$has_dtrace" = "xno"; then
2393           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2394    fi
2395    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2396    if test "x$DTRACE" = "xno"; then
2397           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2398           enable_dtrace=no
2399    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2400           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2401           enable_dtrace=no
2402    fi
2403 fi
2404
2405 dtrace_g=no
2406 if test "x$enable_dtrace" = "xyes"; then
2407         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2408         DTRACEFLAGS=
2409         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2410                 case "$host" in
2411                         powerpc-*-darwin*)
2412                         DTRACEFLAGS="-arch ppc64"
2413                         ;;
2414                         i*86-*-darwin*)
2415                         DTRACEFLAGS="-arch x86_64"
2416                         ;;
2417                         *)
2418                         DTRACEFLAGS=-64
2419                         ;;
2420                 esac
2421         else
2422                 case "$host" in
2423                         powerpc-*-darwin*)
2424                         DTRACEFLAGS="-arch ppc"
2425                         ;;
2426                         i*86-*-darwin*)
2427                         DTRACEFLAGS="-arch i386"
2428                         ;;
2429                         *)
2430                         DTRACEFLAGS=-32
2431                         ;;
2432                 esac
2433         fi
2434         AC_SUBST(DTRACEFLAGS)
2435         case "$host" in
2436                 *-*-solaris*)
2437                 dtrace_g=yes
2438                 ;;
2439         esac
2440         AC_CHECK_HEADERS([sys/sdt.h])
2441 fi
2442 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2443 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2444
2445 dnl **************
2446 dnl ***  NaCl  ***
2447 dnl **************
2448
2449 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2450 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2451
2452 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2453
2454 dnl
2455 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2456 dnl
2457 nacl_self_host=""
2458 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2459    nacl_self_host="nacl_self_host"
2460 fi
2461 AC_SUBST(nacl_self_host)
2462
2463 if test "x$enable_nacl_codegen" = "xyes"; then
2464    MONO_NACL_ALIGN_MASK_OFF=1
2465    AC_DEFINE(TARGET_NACL, 1, [...])
2466    AC_DEFINE(__native_client_codegen__, 1, [...])
2467 else
2468    MONO_NACL_ALIGN_MASK_OFF=0
2469    AC_DEFINE(__default_codegen__, 1, [...])
2470 fi
2471 if test "x$enable_nacl_gc" = "xyes"; then
2472    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2473       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2474    else
2475       # Not yet implemented
2476       INSTRUMENT_CFLAG=""
2477    fi
2478    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2479 fi
2480 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2481
2482 dnl **************
2483 dnl ***  LLVM  ***
2484 dnl **************
2485
2486 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2487 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2488 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2489
2490 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2491
2492 if test "x$enable_llvm" = "xyes"; then
2493    if test "x$with_llvm" != "x"; then
2494           LLVM_CONFIG=$with_llvm/bin/llvm-config
2495           if test x$target_win32 = xyes; then
2496                 LLVM_CONFIG=$LLVM_CONFIG.exe
2497           fi
2498           if test ! -x $LLVM_CONFIG; then
2499                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2500       fi
2501    else
2502       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2503       if test "x$LLVM_CONFIG" = "xno"; then
2504              AC_MSG_ERROR([llvm-config not found.])
2505       fi
2506    fi
2507
2508    llvm_codegen="x86codegen"
2509    case "$target" in
2510    arm*)
2511                 llvm_codegen="armcodegen"
2512                 ;;
2513    esac
2514
2515    if test "x$target_win32" = "xno"; then
2516
2517    # The output of --cflags seems to include optimizations flags too
2518    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2519    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2520    # from LLVM classes.
2521    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2522    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2523    # This might include empty lines
2524    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2525    if test "x$host" != "x$target"; then
2526       # No need for jit libs
2527       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2528    else
2529       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2530    fi
2531    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2532
2533    expected_llvm_version="3.4svn-mono-mono/e656cac"
2534
2535    # Should be something like '2.6' or '2.7svn'
2536    llvm_version=`$LLVM_CONFIG --version`
2537    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2538    AC_MSG_CHECKING(LLVM version)
2539    AC_MSG_RESULT($llvm_version)
2540    if echo $llvm_version | grep -q 'mono'; then
2541           if test "x$enable_llvm_version_check" == "xyes"; then
2542                  if test "$llvm_version" != "$expected_llvm_version"; then
2543                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2544                  fi
2545           fi
2546    else
2547           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2548    fi
2549
2550    else
2551        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2552        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2553        LLVM_LDFLAGS="-L$with_llvm/lib"
2554        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2555        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2556          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2557          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2558          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2559          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2560          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2561          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2562          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2563          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2564          -lLLVMSupport -lstdc++"
2565        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2566        llvm_api_version=1
2567    fi
2568
2569    if test "x$llvm_api_version" = "x"; then
2570           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2571           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2572    else
2573           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2574           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2575    fi
2576
2577    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2578
2579    AC_SUBST(LLVM_CFLAGS)
2580    AC_SUBST(LLVM_CXXFLAGS)
2581    AC_SUBST(LLVM_LIBS)
2582    AC_SUBST(LLVM_LDFLAGS)
2583    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2584 fi
2585
2586 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2587 if test "x$enable_loadedllvm" = "xyes"; then
2588    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2589 fi
2590 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2591
2592 TARGET="unknown"
2593 ACCESS_UNALIGNED="yes"
2594
2595 LIBC="libc.so.6"
2596 INTL="libc.so.6"
2597 SQLITE="libsqlite.so.0"
2598 SQLITE3="libsqlite3.so.0"
2599 X11="libX11.so"
2600 GDKX11="libgdk-x11-2.0.so.0"
2601 GTKX11="libgtk-x11-2.0.so.0"
2602 XINERAMA="libXinerama.so.1"
2603
2604 sizeof_register="SIZEOF_VOID_P"
2605
2606 jit_wanted=true
2607 sgen_supported=false
2608 boehm_supported=true
2609 case "$host" in
2610         mips*)
2611                 TARGET=MIPS;
2612                 arch_target=mips;
2613                 sgen_supported=true
2614                 ACCESS_UNALIGNED="no"
2615
2616                 AC_MSG_CHECKING(for mips n32)
2617                 AC_TRY_COMPILE([],[
2618                 #if _MIPS_SIM != _ABIN32
2619                 #error Not mips n32
2620                 #endif
2621                 return 0;
2622                 ],[
2623                 AC_MSG_RESULT(yes)
2624                 sizeof_register=8
2625                 ],[
2626                 AC_MSG_RESULT(no)
2627                 ])
2628                 ;;
2629         i*86-*-*)
2630                 TARGET=X86;
2631                 arch_target=x86;
2632                 case $host_os in
2633                   solaris*)
2634                         LIBC="libc.so"
2635                         INTL="libintl.so"
2636                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2637                                 TARGET=AMD64
2638                                 arch_target=amd64
2639                         fi
2640
2641                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2642                         # int astruct __attribute__ ((visibility ("hidden")));
2643                         # void foo ()
2644                         # {
2645                         #       void *p = &astruct;
2646                         # }
2647                         # gcc -fPIC --shared -o libfoo.so foo.c
2648                         # yields:
2649                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2650                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2651                         have_visibility_hidden=no
2652                         sgen_supported=true
2653                         ;;
2654                   mingw*|cygwin*)
2655                         sgen_supported=true
2656                         have_visibility_hidden=no
2657                         ;;
2658                   haiku*)
2659                         LIBC=libroot.so
2660                         ;;
2661                   linux*)
2662                         sgen_supported=true
2663                         AOT_SUPPORTED="yes"
2664                         ;;
2665                   darwin*)
2666                         sgen_supported=true
2667                         AOT_SUPPORTED="yes"
2668                         ;;
2669                   openbsd*|freebsd*|kfreebsd-gnu*)
2670                         sgen_supported=true
2671                         ;;
2672                 esac
2673                 ;;
2674         x86_64-*-* | amd64-*-*)
2675                 TARGET=AMD64;
2676                 arch_target=amd64;
2677                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2678                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2679                         sizeof_register=8
2680                 fi
2681                 case $host_os in
2682                   linux*)
2683                         sgen_supported=true
2684                         AOT_SUPPORTED="yes"
2685                         ;;
2686                   darwin*)
2687                         sgen_supported=true
2688                         AOT_SUPPORTED="yes"
2689                         ;;
2690                   openbsd*|freebsd*|kfreebsd-gnu*)
2691                         sgen_supported=true
2692                         ;;
2693                   mingw*)
2694                         sgen_supported=true
2695                         ;;
2696                 esac
2697                 case "$host" in
2698                         x86_64-*-nacl*)
2699                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2700                                 sizeof_register=8
2701                                 ;;
2702                 esac
2703                 ;;
2704         ia64-*-*)
2705                 TARGET=IA64
2706                 arch_target=ia64
2707                 ACCESS_UNALIGNED="no"
2708                 LIBC="libc.so.6.1"
2709                 INTL="libc.so.6.1"
2710                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2711                 libmono_ldflags="-lunwind"
2712                 ;;
2713         sparc*-*-*)
2714                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2715                    TARGET=SPARC64
2716                 else
2717                         TARGET=SPARC
2718                 fi
2719                 arch_target=sparc;
2720                 ACCESS_UNALIGNED="no"
2721                 case $host_os in
2722                   linux*) ;;
2723                   *)
2724                         LIBC="libc.so"
2725                         INTL="libintl.so"
2726                 esac
2727                 if test x"$GCC" = xyes; then
2728                         # We don't support v8 cpus
2729                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2730                 fi
2731                 if test x"$AR" = xfalse; then
2732                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2733                 fi
2734                 sgen_supported=true
2735                 ;;
2736         *-mingw*|*-*-cygwin*)
2737                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2738                 have_visibility_hidden=no
2739                 INTL="intl"
2740                 ;;
2741         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2742         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2743                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2744                         TARGET=POWERPC64;
2745                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2746                         CFLAGS="$CFLAGS -mminimal-toc"
2747                 else
2748                         TARGET=POWERPC;
2749                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2750                 fi
2751                 arch_target=ppc;
2752                 case $host_os in
2753                   linux*|darwin*)
2754                         sgen_supported=true
2755                         ;;
2756                 esac
2757                 ;;
2758         arm*-darwin*)
2759                 TARGET=ARM;
2760                 arch_target=arm;
2761                 ACCESS_UNALIGNED="no"
2762                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2763                 sgen_supported=true
2764                 ;;
2765         arm*-linux*)
2766                 TARGET=ARM;
2767                 arch_target=arm;
2768                 ACCESS_UNALIGNED="no"
2769                 sgen_supported=true
2770                 AOT_SUPPORTED="yes"
2771                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2772                 ;;
2773 # TODO: make proper support for NaCl host.
2774 #        arm*-*nacl)
2775 #               TARGET=ARM;
2776 #               arch_target=arm;
2777 #               ACCESS_UNALIGNED="no"
2778 #               sgen_supported=true
2779 #               AOT_SUPPORTED="no"
2780 #               ;;
2781         aarch64-*)
2782                 # https://lkml.org/lkml/2012/7/15/133
2783                 TARGET=ARM64
2784                 arch_target=arm64
2785                 sgen_supported=true
2786                 boehm_supported=false
2787                 ;;
2788         s390x-*-linux*)
2789                 TARGET=S390X;
2790                 arch_target=s390x;
2791                 ACCESS_UNALIGNED="yes"
2792                 sgen_supported=true
2793                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2794                 ;;
2795 esac
2796
2797 HOST=$TARGET
2798
2799 if test "x$host" != "x$target"; then
2800    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2801    enable_mcs_build=no
2802    case "$target" in
2803    arm*-darwin*)
2804                 TARGET=ARM;
2805                 arch_target=arm;
2806                 ACCESS_UNALIGNED="no"
2807                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2808                 # Can't use tls, since it depends on the runtime detection of tls offsets
2809                 # in mono-compiler.h
2810                 with_tls=pthread
2811                 ;;
2812    powerpc64-ps3-linux-gnu)
2813                 TARGET=POWERPC64
2814                 arch_target=powerpc64
2815                 AC_DEFINE(TARGET_PS3, 1, [...])
2816                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2817                 # uses this define
2818                 AC_DEFINE(__mono_ppc64__, 1, [...])
2819                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2820                 sizeof_register=8
2821                 target_byte_order=G_BIG_ENDIAN
2822                 ;;
2823    powerpc64-xbox360-linux-gnu)
2824                 TARGET=POWERPC64
2825                 arch_target=powerpc64
2826                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2827                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2828                 # uses this define
2829                 sizeof_register=8
2830                 target_byte_order=G_BIG_ENDIAN
2831                 ;;
2832    x86_64-*-nacl)
2833                 TARGET=AMD64
2834                 arch_target=amd64
2835                 AC_DEFINE(TARGET_AMD64, 1, [...])
2836                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2837                 sizeof_register=8
2838                 ;;
2839 # TODO: make proper support for NaCl target.
2840 #   arm*-*nacl)
2841 #               TARGET=ARM
2842 #               arch_target=arm
2843 #               AC_DEFINE(TARGET_ARM, 1, [...])
2844 #               ACCESS_UNALIGNED="no"
2845 #               sizeof_register=4
2846 #               CPPFLAGS="$CPPFLAGS \
2847 #                    -D__ARM_EABI__ \
2848 #                    -D__arm__ \
2849 #                    -D__portable_native_client__ \
2850 #                    -Dtimezone=_timezone \
2851 #                    -DDISABLE_SOCKETS \
2852 #                    -DDISABLE_ATTACH \
2853 #                    -DUSE_NEWLIB"
2854                 # Can't use tls, since it depends on the runtime detection of tls offsets
2855                 # in mono-compiler.h
2856 #               with_tls=pthread
2857 #               ;;
2858    i686-*-nacl)
2859                 TARGET=X86
2860                 arch_target=x86
2861                 AC_DEFINE(TARGET_X86, 1, [...])
2862                 sizeof_register=4
2863                 ;;
2864    arm*-linux-*)
2865                 TARGET=ARM;
2866                 arch_target=arm;
2867                 AC_DEFINE(TARGET_ARM, 1, [...])
2868                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2869                 ACCESS_UNALIGNED="no"
2870                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2871                 # Can't use tls, since it depends on the runtime detection of tls offsets
2872                 # in mono-compiler.h
2873                 with_tls=pthread
2874                 target_mach=no
2875                 case "$target" in
2876                 armv7l-unknown-linux-gnueabi*)
2877                         # TEGRA
2878                         CPPFLAGS="$CPPFLAGS"
2879                         ;;
2880                 armv5-*-linux-androideabi*)
2881                         CPPFLAGS="$CPPFLAGS"
2882                         ;;
2883                 esac
2884                 ;;
2885    i686*-linux-*)
2886                 TARGET=X86;
2887                 arch_target=x86;
2888                 AC_DEFINE(TARGET_X86, 1, [...])
2889                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2890                 CPPFLAGS="$CPPFLAGS"
2891                 sgen_supported=true
2892                 # Can't use tls, since it depends on the runtime detection of tls offsets
2893                 # in mono-compiler.h
2894                 with_tls=pthread
2895                 target_mach=no
2896                 ;;
2897    aarch64*-linux-*)
2898                 TARGET=ARM64;
2899                 arch_target=arm64;
2900                 AC_DEFINE(TARGET_ARM64, 1, [...])
2901                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2902                 CPPFLAGS="$CPPFLAGS"
2903                 # Can't use tls, since it depends on the runtime detection of tls offsets
2904                 # in mono-compiler.h
2905                 with_tls=pthread
2906                 target_mach=no
2907                 ;;
2908         aarch64-*)
2909                 TARGET=ARM64
2910                 ;;
2911         *)
2912                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2913         esac
2914 fi
2915
2916 case "$TARGET" in
2917 X86)
2918         AC_DEFINE(TARGET_X86, 1, [...])
2919         ;;
2920 AMD64)
2921         AC_DEFINE(TARGET_AMD64, 1, [...])
2922         ;;
2923 ARM)
2924         AC_DEFINE(TARGET_ARM, 1, [...])
2925         ;;
2926 ARM64)
2927         AC_DEFINE(TARGET_ARM64, 1, [...])
2928         ;;
2929 POWERPC)
2930         AC_DEFINE(TARGET_POWERPC, 1, [...])
2931         ;;
2932 POWERPC64)
2933         AC_DEFINE(TARGET_POWERPC, 1, [...])
2934         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2935         ;;
2936 S390X)
2937         AC_DEFINE(TARGET_S390X, 1, [...])
2938         ;;
2939 MIPS)
2940         AC_DEFINE(TARGET_MIPS, 1, [...])
2941         ;;
2942 IA64)
2943         AC_DEFINE(TARGET_IA64, 1, [...])
2944         ;;
2945 SPARC)
2946         AC_DEFINE(TARGET_SPARC, 1, [...])
2947         ;;
2948 SPARC64)
2949         AC_DEFINE(TARGET_SPARC64, 1, [...])
2950         ;;
2951 esac
2952
2953 dnl Use GCC atomic ops if they work on the target.
2954 if test x$GCC = "xyes"; then
2955         case $TARGET in
2956         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2957                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2958                 ;;
2959         esac
2960 fi
2961
2962 if test "x$target_mach" = "xyes"; then
2963    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2964           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2965           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2966           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2967    else
2968        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2969        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2970        #error fail this for ios
2971        #endif
2972        return 0;
2973        ], [
2974                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2975           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2976           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2977        ], [
2978           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2979           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2980           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2981        ])
2982         fi
2983    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2984 fi
2985
2986 if test "x$sizeof_register" = "x4"; then
2987    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2988 elif test "x$sizeof_register" = "x8"; then
2989    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2990 else
2991    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2992 fi
2993
2994 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2995    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2996 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2997    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2998 else
2999    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3000 fi
3001
3002 if test "x$have_visibility_hidden" = "xyes"; then
3003    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3004 fi
3005
3006 if test "x$have_deprecated" = "xyes"; then
3007    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3008 fi
3009
3010 dnl
3011 dnl Simple Generational checks (sgen)
3012 dnl
3013 if $sgen_supported; then
3014    build_sgen_default=yes
3015 else
3016    build_sgen_default=no
3017 fi
3018 SGEN_DEFINES=
3019 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3020 if test x$buildsgen = xyes; then
3021    if $sgen_supported; then
3022        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3023        gc_msg="sgen and $gc_msg"
3024    else
3025        buildsgen=no
3026        AC_MSG_WARN("Sgen is not supported on this platform")
3027    fi
3028 fi
3029 AC_SUBST(SGEN_DEFINES)
3030 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3031
3032 jit_status="Building and using the JIT"
3033
3034 libsuffix=".so"
3035
3036 case "$host" in
3037      *-*-darwin*)
3038         libsuffix=".dylib"
3039         LIBC="libc.dylib"
3040         INTL="libintl.dylib"
3041         SQLITE="libsqlite.0.dylib"
3042         SQLITE3="libsqlite3.0.dylib"
3043         X11="libX11.dylib"
3044         GDKX11="libgdk-x11-2.0.dylib"
3045         GTKX11="libgtk-x11-2.0.dylib"
3046         ;;
3047      *-*-*netbsd*)
3048         LIBC="libc.so.12"
3049         INTL="libintl.so.0"
3050         ;;
3051      *-*-kfreebsd*-gnu)
3052         LIBC="libc.so.0.1"
3053         INTL="libc.so.0.1"
3054         X11="libX11.so.6"
3055         ;;
3056     *-*-*freebsd*)
3057         LIBC="libc.so"
3058         INTL="libintl.so"
3059         SQLITE="libsqlite.so"
3060         SQLITE3="libsqlite3.so"
3061         ;;
3062     *-*-*openbsd*)
3063         LIBC="libc.so"
3064         INTL="libintl.so"
3065         SQLITE="libsqlite.so"
3066         SQLITE3="libsqlite3.so"
3067         ;;
3068     *-*-*linux*)
3069         AC_PATH_X
3070         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3071         AC_MSG_CHECKING(for the soname of libX11.so)
3072         for i in $x_libraries $dlsearch_path; do
3073                 for r in 4 5 6; do
3074                         if test -f $i/libX11.so.$r; then
3075                                 X11=libX11.so.$r
3076                                 AC_MSG_RESULT($X11)
3077                         fi
3078                 done
3079         done
3080
3081         if test "x$X11" = "xlibX11.so"; then
3082                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3083                 X11=libX11.so.6
3084         fi
3085         ;;
3086 esac
3087
3088
3089 AC_SUBST(libsuffix)
3090
3091 AC_ARG_WITH([libgdiplus],
3092         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3093         [], [with_libgdiplus=installed])
3094
3095 # default install location
3096 libgdiplus_install_loc=libgdiplus${libsuffix}
3097 case $with_libgdiplus in
3098     no|installed)
3099     libgdiplus_loc=
3100     ;;
3101
3102     yes|sibling)
3103     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3104     ;;
3105
3106     /*) # absolute path, assume it is an install location
3107     libgdiplus_loc=$with_libgdiplus
3108     libgdiplus_install_loc=$with_libgdiplus
3109     ;;
3110
3111     *)
3112     libgdiplus_loc=`pwd`/$with_libgdiplus
3113     ;;
3114 esac
3115 AC_SUBST([libgdiplus_loc])
3116 AC_SUBST([libgdiplus_install_loc])
3117
3118 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3119 if test "x$icall_symbol_map" = "xyes"; then
3120    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3121 fi
3122
3123 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3124 if test "x$icall_export" = "xyes"; then
3125    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3126 fi
3127
3128 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3129 if test "x$icall_tables" = "xno"; then
3130    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3131 fi
3132
3133 if test "x$with_tls" = "x__thread"; then
3134         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3135         # Pass the information to libgc
3136         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3137         AC_MSG_CHECKING(if the tls_model attribute is supported)
3138         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3139                 ], [
3140                         AC_MSG_RESULT(yes)
3141                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3142                 ], [
3143                         AC_MSG_RESULT(no)
3144         ])
3145 fi
3146
3147 if test ${TARGET} = ARM; then
3148         dnl ******************************************
3149         dnl *** Check to see what FPU is available ***
3150         dnl ******************************************
3151         AC_MSG_CHECKING(which FPU to use)
3152
3153         #
3154         # This is a bit tricky:
3155         #
3156         # if (__ARM_PCS_VFP) {
3157         #       /* mfloat-abi=hard == VFP with hard ABI */
3158         # } elif (!__SOFTFP__) {
3159         #       /* mfloat-abi=softfp == VFP with soft ABI */
3160         # } else {
3161         #       /* mfloat-abi=soft == no VFP */
3162         # }
3163         #
3164         # The exception is iOS (w/ GCC) where none of the above
3165         # are defined (but iOS always uses the 'softfp' ABI).
3166         #
3167         # No support for FPA.
3168         #
3169
3170         fpu=NONE
3171
3172         # iOS GCC always uses the 'softfp' ABI.
3173         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3174                 fpu=VFP
3175         fi
3176
3177         # Are we using the 'hard' ABI?
3178         if test x$fpu = xNONE; then
3179                 AC_TRY_COMPILE([], [
3180                         #ifndef __ARM_PCS_VFP
3181                         #error "Float ABI is not 'hard'"
3182                         #endif
3183                         return 0;
3184                 ], [
3185                         fpu=VFP_HARD
3186                 ], [
3187                         fpu=NONE
3188                 ])
3189         fi
3190
3191         # No 'hard' ABI. 'soft' or 'softfp'?
3192         if test x$fpu = xNONE; then
3193                 AC_TRY_COMPILE([], [
3194                         #ifdef __SOFTFP__
3195                         #error "Float ABI is not 'softfp'"
3196                         #endif
3197                         return 0;
3198                 ], [
3199                         fpu=VFP
3200                 ], [
3201                         fpu=NONE
3202                 ])
3203         fi
3204
3205         AC_MSG_RESULT($fpu)
3206         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3207         unset fpu
3208
3209         dnl *********************************************
3210         dnl *** Check which ARM version(s) we can use ***
3211         dnl *********************************************
3212         AC_MSG_CHECKING(which ARM version to use)
3213
3214         AC_TRY_COMPILE([], [
3215                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3216                 #error Not on ARM v5.
3217                 #endif
3218                 return 0;
3219         ], [
3220                 arm_v5=yes
3221
3222                 arm_ver=ARMv5
3223         ], [])
3224
3225         AC_TRY_COMPILE([], [
3226                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3227                 #error Not on ARM v6.
3228                 #endif
3229                 return 0;
3230         ], [
3231                 arm_v5=yes
3232                 arm_v6=yes
3233
3234                 arm_ver=ARMv6
3235         ], [])
3236
3237         AC_TRY_COMPILE([], [
3238                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3239                 #error Not on ARM v7.
3240                 #endif
3241                 return 0;
3242         ], [
3243                 arm_v5=yes
3244                 arm_v6=yes
3245                 arm_v7=yes
3246
3247                 arm_ver=ARMv7
3248         ], [])
3249
3250         AC_MSG_RESULT($arm_ver)
3251
3252         if test x$arm_v5 = xyes; then
3253                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3254                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3255         fi
3256
3257         if test x$arm_v6 = xyes; then
3258                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3259                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3260         fi
3261
3262         if test x$arm_v7 = xyes; then
3263                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3264                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3265         fi
3266 fi
3267
3268 if test ${TARGET} = ARM; then
3269         if test "x${with_jumptables}" = "xyes"; then
3270                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3271         fi
3272 fi
3273
3274 if test ${TARGET} = unknown; then
3275         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3276         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3277 fi
3278
3279 if test ${ACCESS_UNALIGNED} = no; then
3280         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3281 fi
3282
3283 case "x$libgc" in
3284         xincluded)
3285                 # Pass CPPFLAGS to libgc configure
3286                 # We should use a separate variable for this to avoid passing useless and
3287                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3288                 # This should be executed late so we pick up the final version of CPPFLAGS
3289                 # The problem with this approach, is that during a reconfigure, the main
3290                 # configure scripts gets invoked with these arguments, so we use separate
3291                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3292                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3293                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3294                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3295                 fi
3296                 # Don't pass -finstrument-for-thread-suspension in,
3297                 # if these are instrumented it will be very bad news
3298                 # (infinite recursion, undefined parking behavior, etc)
3299                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3300                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3301                 if test "x$support_boehm" = "xyes"; then
3302                         AC_CONFIG_SUBDIRS(libgc)
3303                 fi
3304                 ;;
3305 esac
3306
3307 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])
3308 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3309 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3310 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3311
3312 OPROFILE=no
3313 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3314         if test x$with_oprofile != xno; then
3315             oprofile_include=$with_oprofile/include
3316             if test ! -f $oprofile_include/opagent.h; then
3317                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3318                 fi
3319             OPROFILE=yes
3320                 OPROFILE_CFLAGS="-I$oprofile_include"
3321             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3322             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3323         fi
3324 ])
3325
3326 MALLOC_MEMPOOLS=no
3327 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3328         if test x$with_malloc_mempools = xyes; then
3329                 MALLOC_MEMPOOLS=yes
3330                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3331         fi
3332 ])
3333
3334
3335 DISABLE_MCS_DOCS=no
3336 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3337         if test x$with_mcs_docs != xyes; then
3338                 DISABLE_MCS_DOCS=yes
3339         fi
3340 ])
3341 if test x$with_profile4_5 != xyes; then
3342         DISABLE_MCS_DOCS=yes
3343 fi
3344
3345 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)],[
3346         if test x$with_lazy_gc_thread_creation != xno ; then
3347                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3348         fi
3349 ], [with_lazy_gc_thread_creation=no])
3350
3351 AC_CHECK_HEADER([malloc.h],
3352                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3353                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3354
3355 if test x"$GCC" = xyes; then
3356         # Implicit function declarations are not 64 bit safe
3357         # Do this late, since this causes lots of configure tests to fail
3358         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3359         # jay has a lot of implicit declarations
3360         JAY_CFLAGS="-Wno-implicit-function-declaration"
3361 fi
3362
3363 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3364 # instead of libmono-static.a
3365 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3366    LIBMONO_LA=libmini-static.la
3367 else
3368    if test x$buildsgen = xyes; then
3369       LIBMONO_LA=libmonosgen-$API_VER.la
3370    else
3371       LIBMONO_LA=libmonoboehm-$API_VER.la
3372    fi
3373 fi
3374 AC_SUBST(LIBMONO_LA)
3375
3376 dnl
3377 dnl Consistency settings
3378 dnl
3379 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3380    DISABLE_MCS_DOCS=yes
3381    with_profile4_5=no
3382    with_monodroid=no
3383    with_monotouch=no
3384    with_xammac=no
3385 fi
3386
3387 if test x$DISABLE_MCS_DOCS = xyes; then
3388    docs_dir=""
3389 else
3390    docs_dir=docs
3391 fi
3392 AC_SUBST(docs_dir)
3393
3394 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3395 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3396
3397 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3398 AC_SUBST(OPROFILE_CFLAGS)
3399 AC_SUBST(OPROFILE_LIBS)
3400
3401 libmono_ldflags="$libmono_ldflags $LIBS"
3402
3403 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3404 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3405 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3406 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3407 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3408 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3409
3410 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3411 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3412 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3413 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3414 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3415 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3416 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3417 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3418 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3419 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3420 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3421 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3422 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3423 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3424 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3425 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3426 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3427 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3428
3429 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3430
3431 AC_SUBST(LIBC)
3432 AC_SUBST(INTL)
3433 AC_SUBST(SQLITE)
3434 AC_SUBST(SQLITE3)
3435 AC_SUBST(X11)
3436 AC_SUBST(GDKX11)
3437 AC_SUBST(GTKX11)
3438 AC_SUBST(XINERAMA)
3439 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3440 AC_SUBST(arch_target)
3441 AC_SUBST(CFLAGS)
3442 AC_SUBST(CPPFLAGS)
3443 AC_SUBST(LDFLAGS)
3444
3445 mono_build_root=`pwd`
3446 AC_SUBST(mono_build_root)
3447
3448 mono_runtime=mono/mini/mono
3449 AC_SUBST(mono_runtime)
3450
3451 mono_cfg_root=$mono_build_root/runtime
3452 if test x$host_win32 = xyes; then
3453   if test "x$cross_compiling" = "xno"; then
3454     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3455   else
3456     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3457   fi
3458 else
3459   mono_cfg_dir=$mono_cfg_root/etc
3460 fi
3461 AC_SUBST(mono_cfg_dir)
3462
3463 AC_CONFIG_FILES([po/mcs/Makefile.in])
3464
3465 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3466 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3467
3468 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3469 [   depth=../../../..
3470     case $srcdir in
3471     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3472     .) reldir=$depth ;;
3473     *) reldir=$depth/$srcdir ;;
3474     esac
3475     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3476     cd runtime/etc/mono/1.0
3477     rm -f machine.config
3478     $LN_S $reldir/data/net_1_1/machine.config machine.config
3479     cd $depth
3480 ],[LN_S='$LN_S'])
3481
3482 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3483 [   depth=../../../..
3484     case $srcdir in
3485     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3486     .) reldir=$depth ;;
3487     *) reldir=$depth/$srcdir ;;
3488     esac
3489     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3490     cd runtime/etc/mono/2.0
3491     rm -f machine.config
3492     $LN_S $reldir/data/net_2_0/machine.config machine.config
3493     cd $depth
3494 ],[LN_S='$LN_S'])
3495
3496 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3497 [   depth=../../../..
3498     case $srcdir in
3499     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3500     .) reldir=$depth ;;
3501     *) reldir=$depth/$srcdir ;;
3502     esac
3503     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3504     cd runtime/etc/mono/2.0
3505     rm -f web.config
3506     $LN_S $reldir/data/net_2_0/web.config web.config
3507     cd $depth
3508 ],[LN_S='$LN_S'])
3509
3510 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3511 [   depth=../../..
3512     case $srcdir in
3513     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3514     .) reldir=$depth ;;
3515     *) reldir=$depth/$srcdir ;;
3516     esac
3517     $ac_aux_dir/install-sh -d runtime/etc/mono/
3518     cd runtime/etc/mono/
3519     rm -f browscap.ini
3520     $LN_S $reldir/data/browscap.ini browscap.ini
3521     cd $depth
3522 ],[LN_S='$LN_S'])
3523
3524 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3525 [   depth=../../../../..
3526     case $srcdir in
3527     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3528     .) reldir=$depth ;;
3529     *) reldir=$depth/$srcdir ;;
3530     esac
3531     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3532     cd runtime/etc/mono/2.0/Browsers
3533     rm -f Compat.browser
3534     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3535     cd $depth
3536 ],[LN_S='$LN_S'])
3537
3538 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3539 [   depth=../../../../..
3540     case $srcdir in
3541     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3542     .) reldir=$depth ;;
3543     *) reldir=$depth/$srcdir ;;
3544     esac
3545     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3546     cd runtime/etc/mono/4.0/Browsers
3547     rm -f Compat.browser
3548     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3549     cd $depth
3550 ],[LN_S='$LN_S'])
3551
3552 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3553 [   depth=../../../../..
3554     case $srcdir in
3555     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3556     .) reldir=$depth ;;
3557     *) reldir=$depth/$srcdir ;;
3558     esac
3559     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3560     cd runtime/etc/mono/4.5/Browsers
3561     rm -f Compat.browser
3562     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3563     cd $depth
3564 ],[LN_S='$LN_S'])
3565
3566 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3567 [   depth=../../../..
3568     case $srcdir in
3569     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3570     .) reldir=$depth ;;
3571     *) reldir=$depth/$srcdir ;;
3572     esac
3573     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3574     cd runtime/etc/mono/4.0
3575     rm -f machine.config
3576     $LN_S $reldir/data/net_4_0/machine.config machine.config
3577     cd $depth
3578 ],[LN_S='$LN_S'])
3579
3580 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3581 [   depth=../../../..
3582     case $srcdir in
3583     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3584     .) reldir=$depth ;;
3585     *) reldir=$depth/$srcdir ;;
3586     esac
3587     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3588     cd runtime/etc/mono/4.0
3589     rm -f web.config
3590     $LN_S $reldir/data/net_4_0/web.config web.config
3591     cd $depth
3592 ],[LN_S='$LN_S'])
3593
3594 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3595 [   depth=../../../..
3596     case $srcdir in
3597     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3598     .) reldir=$depth ;;
3599     *) reldir=$depth/$srcdir ;;
3600     esac
3601     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3602     cd runtime/etc/mono/4.5
3603     rm -f machine.config
3604     $LN_S $reldir/data/net_4_5/machine.config machine.config
3605     cd $depth
3606 ],[LN_S='$LN_S'])
3607
3608 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3609 [   depth=../../../..
3610     case $srcdir in
3611     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3612     .) reldir=$depth ;;
3613     *) reldir=$depth/$srcdir ;;
3614     esac
3615     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3616     cd runtime/etc/mono/4.5
3617     rm -f web.config
3618     $LN_S $reldir/data/net_4_5/web.config web.config
3619     cd $depth
3620 ],[LN_S='$LN_S'])
3621
3622 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])
3623
3624 AC_OUTPUT([
3625 Makefile
3626 mono-core.spec
3627 mono-uninstalled.pc
3628 scripts/mono-find-provides
3629 scripts/mono-find-requires
3630 mono/Makefile
3631 mono/utils/Makefile
3632 mono/metadata/Makefile
3633 mono/dis/Makefile
3634 mono/cil/Makefile
3635 mono/arch/Makefile
3636 mono/arch/x86/Makefile
3637 mono/arch/amd64/Makefile
3638 mono/arch/ppc/Makefile
3639 mono/arch/sparc/Makefile
3640 mono/arch/s390x/Makefile
3641 mono/arch/arm/Makefile
3642 mono/arch/arm64/Makefile
3643 mono/arch/ia64/Makefile
3644 mono/arch/mips/Makefile
3645 mono/tests/Makefile
3646 mono/tests/tests-config
3647 mono/tests/assemblyresolve/Makefile
3648 mono/tests/cas/Makefile
3649 mono/tests/cas/assembly/Makefile
3650 mono/tests/cas/demand/Makefile
3651 mono/tests/cas/inheritance/Makefile
3652 mono/tests/cas/linkdemand/Makefile
3653 mono/tests/cas/threads/Makefile
3654 mono/tests/gc-descriptors/Makefile
3655 mono/unit-tests/Makefile
3656 mono/benchmark/Makefile
3657 mono/monograph/Makefile
3658 mono/io-layer/Makefile
3659 mono/mini/Makefile
3660 mono/profiler/Makefile
3661 m4/Makefile
3662 ikvm-native/Makefile
3663 scripts/Makefile
3664 man/Makefile
3665 docs/Makefile
3666 data/Makefile
3667 data/net_2_0/Makefile
3668 data/net_4_0/Makefile
3669 data/net_4_5/Makefile
3670 data/net_2_0/Browsers/Makefile
3671 data/net_4_0/Browsers/Makefile
3672 data/net_4_5/Browsers/Makefile
3673 data/mint.pc
3674 data/mono-2.pc
3675 data/monosgen-2.pc
3676 data/mono.pc
3677 data/mono-cairo.pc
3678 data/mono-nunit.pc
3679 data/mono-options.pc
3680 data/mono-lineeditor.pc
3681 data/monodoc.pc
3682 data/dotnet.pc
3683 data/dotnet35.pc
3684 data/wcf.pc
3685 data/cecil.pc
3686 data/system.web.extensions_1.0.pc
3687 data/system.web.extensions.design_1.0.pc
3688 data/system.web.mvc.pc
3689 data/system.web.mvc2.pc
3690 data/system.web.mvc3.pc
3691 data/aspnetwebstack.pc
3692 data/reactive.pc
3693 samples/Makefile
3694 support/Makefile
3695 data/config
3696 tools/Makefile
3697 tools/locale-builder/Makefile
3698 tools/sgen/Makefile
3699 runtime/Makefile
3700 msvc/Makefile
3701 po/Makefile
3702 ])
3703
3704 # Update all submodules recursively to ensure everything is checked out
3705 $srcdir/scripts/update_submodules
3706
3707 if test x$host_win32 = xyes; then
3708    # Get rid of 'cyg' prefixes in library names
3709    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3710    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3711    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3712    # executable doesn't work...
3713    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3714 fi
3715
3716 if test x$platform_darwin = xyes; then
3717    # This doesn't seem to be required and it slows down parallel builds
3718    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3719 fi
3720
3721 (
3722   case $prefix in
3723   NONE) prefix=$ac_default_prefix ;;
3724   esac
3725   case $exec_prefix in
3726   NONE) exec_prefix='${prefix}' ;;
3727   esac
3728
3729   #
3730   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3731   # any existing config.make.  This allows people to share the same source tree
3732   # with different build directories, one native and one cross
3733   #
3734   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3735
3736     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3737
3738     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3739     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3740     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3741     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3742     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3743     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3744     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3745     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3746
3747     case $INSTALL in
3748     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3749     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3750     esac
3751
3752     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3753
3754     export VERSION
3755     [myver=$($AWK 'BEGIN {
3756       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3757       if(length(vsplit [1]) > 4) {
3758         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3759       }
3760       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3761     }')]
3762
3763     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3764
3765     if test x$platform_darwin = xyes; then
3766       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3767     fi
3768
3769         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3770            enable_system_aot=yes
3771         fi
3772
3773     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3774       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3775     fi
3776
3777     if test x$DISABLE_MCS_DOCS = xyes; then
3778       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3779     fi
3780
3781     if test x$has_extension_module != xno; then
3782         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3783     fi
3784
3785         default_profile=net_4_5
3786     if test -z "$INSTALL_MONODROID_TRUE"; then :
3787                 default_profile=monodroid
3788     fi
3789     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3790                 default_profile=monotouch
3791     fi
3792         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3793                 default_profile=xammac
3794         fi
3795     if test -z "$INSTALL_4_5_TRUE"; then :
3796                 default_profile=net_4_5
3797     fi
3798
3799     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3800
3801     if test "x$test_bcl_opt" = "xyes"; then
3802       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3803     fi
3804
3805   fi
3806
3807   # if we have an olive folder, override the default settings
3808   if test -d $olivedir; then
3809
3810     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3811
3812       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3813
3814       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3815       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3816       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3817       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3818       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3819       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3820     fi
3821   fi
3822
3823 )
3824
3825 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3826
3827 echo "
3828         mcs source:    $mcsdir
3829
3830    Engine:
3831         Host:          $host
3832         Target:        $target
3833         GC:            $gc_msg
3834         TLS:           $with_tls
3835         SIGALTSTACK:   $with_sigaltstack
3836         Engine:        $jit_status
3837         oprofile:      $OPROFILE
3838         BigArrays:     $enable_big_arrays
3839         DTrace:        $enable_dtrace
3840         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3841
3842    Libraries:
3843         .NET 4.5:      $with_profile4_5
3844         MonoDroid:     $with_monodroid
3845         MonoTouch:     $with_monotouch
3846         Xamarin.Mac:   $with_xammac
3847         JNI support:   $jdk_headers_found
3848         libgdiplus:    $libgdiplus_msg
3849         zlib:          $zlib_msg
3850         $disabled
3851 "
3852 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3853    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3854 fi