configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.6.1],
   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 dnl
  40 dnl libgc checks
  41 dnl
  42
  43 gc_headers=no
  44 gc=included
  45 gc_msg="included Boehm"
  46 use_included_gc=no
  47 libgc_configure_args=
  48
  49 if test -d $srcdir/libgc ; then
  50   gc_default=included
  51 else
  52   gc_default=boehm
  53 fi
  54
  55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  58 CFLAGS_FOR_LIBGC=$CFLAGS
  59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  60 CFLAGS_FOR_EGLIB=$CFLAGS
  61
  62 # libgc uses some deprecated APIs
  63 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  64
  65 #
  66 # These are the flags that need to be stored in the mono.pc file for
  67 # compiling code that will embed Mono
  68 #
  69 libmono_cflags=""
  70 libmono_ldflags=""
  71 AC_SUBST(libmono_cflags)
  72 AC_SUBST(libmono_ldflags)
  73
  74 # Variable to have relocatable .pc files (lib, or lib64)
  75 reloc_libdir=`basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 dnl if linker handles the version script
  79 no_version_script=no
  80
  81 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  82 need_link_unlink=no
  83
  84 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  85 extra_runtime_ldflags=""
  86
  87 # Thread configuration inspired by sleepycat's db
  88 AC_MSG_CHECKING([host platform characteristics])
  89 libgc_threads=no
  90 has_dtrace=no
  91 parallel_mark=yes
  92 ikvm_native=yes
  93
  94 case "$host" in
  95         powerpc*-*-linux*)
  96                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  97                 disable_munmap=yes
  98         ;;
  99 esac
 100
 101 host_win32=no
 102 target_win32=no
 103 platform_android=no
 104 platform_darwin=no
 105 case "$host" in
 106         *-mingw*|*-*-cygwin*)
 107                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 108                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 109                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 110                 host_win32=yes
 111                 mono_cv_clang=no
 112                 if test "x$cross_compiling" = "xno"; then
 113                         target_win32=yes
 114                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 115                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 116                         fi
 117                 else
 118                         target_win32=yes
 119                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 120                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 121                 fi
 122                 HOST_CC="gcc"
 123                 # Windows 2000 is required that includes Internet Explorer 5.01
 124                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 125                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 126                 libmono_cflags="-mms-bitfields -mwindows"
 127                 libmono_ldflags="-mms-bitfields -mwindows"
 128                 libdl=
 129                 libgc_threads=win32
 130                 gc_default=included
 131                 with_sigaltstack=no
 132                 with_tls=pthread
 133                 LN_S=cp
 134                 # This forces libgc to use the DllMain based thread registration code on win32
 135                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 136                 ;;
 137         *-*-*netbsd*)
 138                 host_win32=no
 139                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 140                 libmono_cflags="-D_REENTRANT"
 141                 LDFLAGS="$LDFLAGS -pthread"
 142                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 143                 libmono_ldflags="-pthread"
 144                 need_link_unlink=yes
 145                 libdl="-ldl"
 146                 libgc_threads=pthreads
 147                 with_sigaltstack=no
 148                 use_sigposix=yes
 149                 ;;
 150         *-*-*freebsd*)
 151                 host_win32=no
 152                 if test "x$PTHREAD_CFLAGS" = "x"; then
 153                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 154                         libmono_cflags=
 155                 else
 156                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags="$PTHREAD_CFLAGS"
 158                 fi
 159                 if test "x$PTHREAD_LIBS" = "x"; then
 160                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 161                         libmono_ldflags="-pthread"
 162                 else
 163                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 164                         libmono_ldflags="$PTHREAD_LIBS"
 165                 fi
 166                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 167                 need_link_unlink=yes
 168                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 169                 libdl=
 170                 libgc_threads=pthreads
 171                 use_sigposix=yes
 172                 has_dtrace=yes
 173                 ;;
 174         *-*-*openbsd*)
 175                 host_win32=no
 176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 177                 if test "x$disable_munmap" != "xyes"; then
 178                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 179                 fi
 180                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 181                 LDFLAGS="$LDFLAGS -pthread"
 182                 need_link_unlink=yes
 183                 AC_DEFINE(PTHREAD_POINTER_ID)
 184                 libdl=
 185                 gc_default=boehm
 186                 libgc_threads=pthreads
 187                 with_sigaltstack=no
 188                 use_sigposix=yes
 189                 ;;
 190         *-*-linux-android*)
 191                 host_win32=no
 192                 platform_android=yes
 193                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 194                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 195
 196                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 197                 if test "x$disable_munmap" != "xyes"; then
 198                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 199                 fi
 200                 libmono_cflags="-D_REENTRANT"
 201                 libdl="-ldl"
 202                 libgc_threads=pthreads
 203                 use_sigposix=yes
 204
 205                 with_tls=pthread
 206                 with_sigaltstack=no
 207                 with_static_mono=no
 208
 209                 # Android doesn't support boehm, as it's missing <link.h>
 210                 support_boehm=no
 211                 with_gc=sgen
 212
 213                 # isinf(3) requires -lm; see isinf check below
 214                 LDFLAGS="$LDFLAGS -lm"
 215
 216                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 217                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 218                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 219                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 220                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 221
 222                 # The configure check can't detect this
 223                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 224
 225                 # to bypass the underscore linker check, can't work when cross-compiling
 226                 mono_cv_uscore=yes
 227                 mono_cv_clang=no
 228                 ;;
 229         *-*-linux*)
 230                 host_win32=no
 231                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 232                 if test "x$disable_munmap" != "xyes"; then
 233                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 234                 fi
 235                 libmono_cflags="-D_REENTRANT"
 236                 libdl="-ldl"
 237                 libgc_threads=pthreads
 238                 use_sigposix=yes
 239                 if test "x$cross_compiling" != "xno"; then
 240                         # to bypass the underscore linker check, not
 241                         # available during cross-compilation
 242                         mono_cv_uscore=no
 243                 fi
 244                 case "$host" in
 245                 aarch64-*)
 246                         support_boehm=no
 247                         with_gc=sgen
 248                         ;;
 249                 esac
 250                 ;;
 251         *-*-nacl*)
 252                 host_win32=no
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 gc_default=boehm
 261                 use_sigposix=yes
 262                 ikvm_native=no
 263                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 264                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 265                 ;;
 266         *-*-hpux*)
 267                 host_win32=no
 268                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 269                 # +ESdbgasm only valid on bundled cc on RISC
 270                 # silently ignored for ia64
 271                 if test $GCC != "yes"; then
 272                         CFLAGS="$CFLAGS +ESdbgasm"
 273                         # Arrange for run-time dereferencing of null
 274                         # pointers to produce a SIGSEGV signal.
 275                         LDFLAGS="$LDFLAGS -z"
 276                 fi
 277                 CFLAGS="$CFLAGS +ESdbgasm"
 278                 LDFLAGS="$LDFLAGS -z"
 279                 libmono_cflags="-D_REENTRANT"
 280                 libmono_ldflags="-lpthread"
 281                 libgc_threads=pthreads
 282                 need_link_unlink=yes
 283                 use_sigposix=yes
 284                 ;;
 285         *-*-solaris*)
 286                 host_win32=no
 287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 288                 need_link_unlink=yes
 289                 libmono_cflags="-D_REENTRANT"
 290                 libgc_threads=pthreads
 291                 # This doesn't seem to work on solaris/x86, but the configure test runs
 292                 with_tls=pthread
 293                 has_dtrace=yes
 294                 use_sigposix=yes
 295                 enable_solaris_tar_check=yes
 296                 ;;
 297         *-*-darwin*)
 298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 299                 host_win32=no
 300                 platform_darwin=yes
 301                 target_mach=yes
 302                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 303                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 304                 libmono_cflags="-D_THREAD_SAFE"
 305                 need_link_unlink=yes
 306                 AC_DEFINE(PTHREAD_POINTER_ID)
 307                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 308                 no_version_script=yes
 309                 libdl=
 310                 libgc_threads=pthreads
 311                 has_dtrace=yes
 312                 if test "x$cross_compiling" = "xyes"; then
 313                         has_broken_apple_cpp=yes
 314                 fi
 315                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 316                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 317                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 318                 case "$host" in
 319                         dnl Snow Leopard and newer config.guess reports as this
 320                         i*86-*-darwin*)
 321                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 322                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 323                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 324                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 325                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 326                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 327                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 328                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 329                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 330                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 331                                 ;;
 332                         x*64-*-darwin*)
 333                                 ;;
 334                         arm*-darwin*)
 335                                 has_dtrace=no
 336                                 ;;
 337                 esac
 338                 ;;
 339         *-*-haiku*)
 340                 host_win32=no
 341                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 342                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 343                 libdl=
 344                 LIBS="$LIBS -lnetwork"
 345                 need_link_unlink=yes
 346                 AC_DEFINE(PTHREAD_POINTER_ID)
 347                 libgc_threads=pthreads
 348                 use_sigposix=yes
 349                 ;;
 350         *)
 351                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 352                 host_win32=no
 353                 libdl="-ldl"
 354                 ;;
 355 esac
 356 AC_MSG_RESULT(ok)
 357
 358 if test x$need_link_unlink = xyes; then
 359    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 360 fi
 361
 362 AC_SUBST(extra_runtime_ldflags)
 363 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 364 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 365 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 366 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 367 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 368 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 369
 370 AC_CHECK_TOOL(CC, gcc, gcc)
 371 AC_PROG_CC
 372 AC_CHECK_TOOL(CXX, g++, g++)
 373 AC_PROG_CXX
 374 AM_PROG_AS
 375 AC_PROG_INSTALL
 376 AC_PROG_AWK
 377 AM_PROG_CC_C_O
 378 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 379 : ${CCAS='$(CC)'}
 380 # Set ASFLAGS if not already set.
 381 : ${CCASFLAGS='$(CFLAGS)'}
 382 AC_SUBST(CCAS)
 383 AC_SUBST(CCASFLAGS)
 384
 385 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 386 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 387 if test "x$CXX" = "xg++"; then
 388         if test "x$GXX" != "xyes"; then
 389                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 390                 # are inside automake conditionals
 391                 AC_MSG_ERROR([You need to install g++])
 392         fi
 393 fi
 394
 395 dnl may require a specific autoconf version
 396 dnl AC_PROG_CC_FOR_BUILD
 397 dnl CC_FOR_BUILD not automatically detected
 398 CC_FOR_BUILD=$CC
 399 CFLAGS_FOR_BUILD=$CFLAGS
 400 BUILD_EXEEXT=
 401 if test "x$cross_compiling" = "xyes"; then
 402         CC_FOR_BUILD=cc
 403         CFLAGS_FOR_BUILD=
 404         BUILD_EXEEXT=""
 405 fi
 406 AC_SUBST(CC_FOR_BUILD)
 407 AC_SUBST(CFLAGS_FOR_BUILD)
 408 AC_SUBST(HOST_CC)
 409 AC_SUBST(BUILD_EXEEXT)
 410
 411 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 412 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 413
 414 # Set STDC_HEADERS
 415 AC_HEADER_STDC
 416 AC_LIBTOOL_WIN32_DLL
 417 # This causes monodis to not link correctly
 418 #AC_DISABLE_FAST_INSTALL
 419 AM_PROG_LIBTOOL
 420 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 421 DOLT
 422
 423 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 424 AC_SUBST(export_ldflags)
 425
 426 # Test whenever ld supports -version-script
 427 AC_PROG_LD
 428 AC_PROG_LD_GNU
 429 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 430    no_version_script=yes
 431 fi
 432
 433 AM_ICONV()
 434
 435 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 436
 437 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)
 438 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)
 439 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 440                   [], [], [#include <stddef.h>
 441                   #include <sys/socket.h>
 442                   #include <linux/socket.h>])
 443
 444 AC_CHECK_HEADERS(sys/user.h, [], [],
 445 [
 446 #ifdef HAVE_SYS_PARAM_H
 447 # include <sys/param.h>
 448 #endif
 449 ])
 450
 451 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 452 if test x$have_zlib = xyes; then
 453    AC_TRY_COMPILE([#include <zlib.h>], [
 454    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 455    return 0;
 456    #else
 457    #error No good zlib found
 458    #endif
 459    ],[
 460         AC_MSG_RESULT(Using system zlib)
 461         zlib_msg="system zlib"
 462         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 463    ],[
 464         AC_MSG_RESULT(Using embedded zlib)
 465         have_zlib=no
 466         zlib_msg="bundled zlib"
 467    ])
 468 fi
 469
 470 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 471 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 472
 473 # for mono/metadata/debug-symfile.c
 474 AC_CHECK_HEADERS(elf.h)
 475
 476 # for support
 477 AC_CHECK_HEADERS(poll.h)
 478 AC_CHECK_HEADERS(sys/poll.h)
 479 AC_CHECK_HEADERS(sys/wait.h)
 480 AC_CHECK_HEADERS(grp.h)
 481 AC_CHECK_HEADERS(syslog.h)
 482
 483 # for mono/dis
 484 AC_CHECK_HEADERS(wchar.h)
 485 AC_CHECK_HEADERS(ieeefp.h)
 486 AC_MSG_CHECKING(for isinf)
 487 AC_TRY_LINK([#include <math.h>], [
 488         int f = isinf (1.0);
 489 ], [
 490         AC_MSG_RESULT(yes)
 491         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 492 ], [
 493         # We'll have to use signals
 494         AC_MSG_RESULT(no)
 495 ])
 496 # mingw
 497 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 498         AC_TRY_LINK([#include <math.h>],
 499         [ _finite(0.0); ],
 500         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 501         AC_MSG_RESULT(no)))
 502
 503 # for Linux statfs support
 504 AC_CHECK_HEADERS(linux/magic.h)
 505
 506 # not 64 bit clean in cross-compile
 507 AC_CHECK_SIZEOF(void *, 4)
 508
 509 AC_CACHE_CHECK([for clang],
 510         mono_cv_clang,[
 511         AC_TRY_COMPILE([], [
 512                 #ifdef __clang__
 513                 #else
 514                 #error "FAILED"
 515                 #endif
 516                 return 0;
 517         ],
 518         [mono_cv_clang=yes],
 519         [mono_cv_clang=no],
 520         [])
 521 ])
 522
 523 WARN=''
 524 if test x"$GCC" = xyes; then
 525         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 526                 # The runtime code does not respect ANSI C strict aliasing rules
 527                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 528
 529                 # We rely on signed overflow to behave
 530                 CFLAGS="$CFLAGS -fwrapv"
 531
 532                 ORIG_CFLAGS=$CFLAGS
 533                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 534                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 535                 AC_TRY_COMPILE([],[
 536                                 return 0;
 537                 ], [
 538                    AC_MSG_RESULT(yes)
 539                 ], [
 540                    AC_MSG_RESULT(no)
 541                    CFLAGS=$ORIG_CFLAGS
 542                 ])
 543
 544                 ORIG_CFLAGS=$CFLAGS
 545                 # Check for the normal version, since gcc ignores unknown -Wno options
 546                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 547                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 548                 AC_TRY_COMPILE([],[
 549                                 return 0;
 550                 ], [
 551                    AC_MSG_RESULT(yes)
 552                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 553                 ], [
 554                    AC_MSG_RESULT(no)
 555                    CFLAGS=$ORIG_CFLAGS
 556                 ])
 557
 558                 if test "x$mono_cv_clang" = "xyes"; then
 559                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 560                    WARN="$WARN -Qunused-arguments"
 561                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 562                 fi
 563 else
 564         # The Sun Forte compiler complains about inline functions that access static variables
 565         # so disable all inlining.
 566         case "$host" in
 567         *-*-solaris*)
 568                 CFLAGS="$CFLAGS -Dinline="
 569                 ;;
 570         esac
 571 fi
 572 CFLAGS="$CFLAGS -g $WARN"
 573 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 574
 575 # Where's the 'mcs' source tree?
 576 if test -d $srcdir/mcs; then
 577   mcsdir=mcs
 578 else
 579   mcsdir=../mcs
 580 fi
 581
 582 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 583         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 584                 mcsdir=$with_mcs_path
 585         fi
 586 )
 587
 588 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 589
 590 #
 591 # A sanity check to catch cases where the package was unpacked
 592 # with an ancient tar program (Solaris)
 593 #
 594 AC_ARG_ENABLE(solaris-tar-check,
 595 [  --disable-solaris-tar-check    disable solaris tar check],
 596    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 597
 598 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 599         AC_MSG_CHECKING(integrity of package)
 600         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 601         then
 602                 AC_MSG_RESULT(ok)
 603         else
 604                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 605                 AC_MSG_ERROR([$errorm])
 606         fi
 607 fi
 608
 609 if test "x$with_mcs_path" != "x"; then
 610 mcs_topdir=$(cd "$mcsdir" && pwd)
 611 mcs_topdir_from_srcdir=$mcs_topdir
 612 else
 613 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 614 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 615 fi
 616
 617 # Convert mcs_topdir* paths to Windows syntax.
 618 if test x$cross_compiling$host_win32 = xnoyes; then
 619   mcs_topdir=$(cygpath -m $mcs_topdir)
 620   case $mcs_topdir_from_srcdir in
 621     /cygdrive/*)
 622         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 623         ;;
 624   esac
 625 fi
 626
 627 AC_SUBST([mcs_topdir])
 628 AC_SUBST([mcs_topdir_from_srcdir])
 629
 630 # Where's the 'olive' source tree?
 631 if test -d $srcdir/olive; then
 632   olivedir=olive
 633 else
 634   olivedir=../olive
 635 fi
 636
 637 if test -d $srcdir/$olivedir; then
 638 olive_topdir='$(top_srcdir)/'$olivedir
 639 fi
 640
 641 # gettext: prepare the translation directories.
 642 # we do not configure the full gettext, as we consume it dynamically from C#
 643 AM_PO_SUBDIRS
 644
 645 if test "x$USE_NLS" = "xyes"; then
 646    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 647
 648    if test "x$HAVE_MSGFMT" = "xno"; then
 649           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 650    fi
 651 fi
 652
 653 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 654
 655 pkg_config_path=
 656 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 657         if test x$with_crosspkgdir = "x"; then
 658                 if test -s $PKG_CONFIG_PATH; then
 659                         pkg_config_path=$PKG_CONFIG_PATH
 660                 fi
 661         else
 662                 pkg_config_path=$with_crosspkgdir
 663                 PKG_CONFIG_PATH=$pkg_config_path
 664                 export PKG_CONFIG_PATH
 665         fi
 666 )
 667
 668 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 669 if test x$werror_flag = xyes; then
 670         WERROR_CFLAGS="-Werror"
 671 fi
 672 AC_SUBST([WERROR_CFLAGS])
 673
 674 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 675 AC_CONFIG_SUBDIRS(eglib)
 676
 677 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 678 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 679 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 680 BUILD_GLIB_LIBS="$GLIB_LIBS"
 681 GMODULE_CFLAGS="$GLIB_CFLAGS"
 682 GMODULE_LIBS="$GLIB_LIBS"
 683
 684 AC_SUBST(GLIB_CFLAGS)
 685 AC_SUBST(GLIB_LIBS)
 686 AC_SUBST(GMODULE_CFLAGS)
 687 AC_SUBST(GMODULE_LIBS)
 688 AC_SUBST(BUILD_GLIB_CFLAGS)
 689 AC_SUBST(BUILD_GLIB_LIBS)
 690
 691 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 692
 693 # Enable support for fast thread-local storage
 694 # Some systems have broken support, so we allow to disable it.
 695 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 696
 697 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 698 # This does not work on some platforms (bug #55253)
 699 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 700
 701 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 702 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 703 # Same as --with-shared_mono=no
 704 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 705
 706 if test "x$enable_static" = "xno"; then
 707    with_static_mono=no
 708 fi
 709
 710 if test "x$enable_shared" = "xno"; then
 711    with_shared_mono=no
 712 fi
 713
 714 if test "x$enable_libraries" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 719
 720 case $host in
 721 *nacl* ) with_shared_mono=yes;;
 722 esac
 723
 724 if test "x$host_win32" = "xyes"; then
 725    # Boehm GC requires the runtime to be in its own dll
 726    with_static_mono=no
 727 fi
 728
 729 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 730 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 731 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 732
 733 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 734 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 735         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 736         ORIG_CFLAGS=$CFLAGS
 737         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 738         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 739         AC_TRY_COMPILE([], [
 740                 return 0;
 741         ], [
 742            AC_MSG_RESULT(yes)
 743            # Pass it to libgc as well
 744            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 745         ], [
 746            AC_MSG_RESULT(no)
 747            CFLAGS=$ORIG_CFLAGS
 748         ])
 749 fi
 750
 751 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 752
 753 if test x$enable_small_config = xyes; then
 754         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 755         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 756 fi
 757
 758 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=$enableval, enable_system_aot=default)
 759
 760 DISABLED_FEATURES=none
 761
 762 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 763      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 764      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 765          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 766 [
 767         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 768                 eval "mono_feature_disable_$feature='yes'"
 769         done
 770         DISABLED_FEATURES=$enable_minimal
 771         disabled="Disabled:      $enable_minimal"
 772 ],[])
 773
 774 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 775
 776 if test "x$mono_feature_disable_aot" = "xyes"; then
 777         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 778         AC_MSG_NOTICE([Disabled AOT compiler])
 779 fi
 780
 781 if test "x$mono_feature_disable_profiler" = "xyes"; then
 782         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 783         AC_MSG_NOTICE([Disabled support for the profiler])
 784 fi
 785 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 786
 787 if test "x$mono_feature_disable_decimal" = "xyes"; then
 788         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 789         AC_MSG_NOTICE([Disabled support for decimal])
 790 fi
 791
 792 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 793         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 794         AC_MSG_NOTICE([Disabled support for P/Invoke])
 795 fi
 796
 797 if test "x$mono_feature_disable_debug" = "xyes"; then
 798         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 799         AC_MSG_NOTICE([Disabled support for runtime debugging])
 800 fi
 801
 802 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 803         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 804         mono_feature_disable_reflection_emit_save=yes
 805         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 806 fi
 807
 808 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 809         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 810         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 811 fi
 812
 813 if test "x$mono_feature_disable_large_code" = "xyes"; then
 814         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 815         AC_MSG_NOTICE([Disabled support for large assemblies])
 816 fi
 817
 818 if test "x$mono_feature_disable_logging" = "xyes"; then
 819         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 820         AC_MSG_NOTICE([Disabled support for logging])
 821 fi
 822
 823 if test "x$mono_feature_disable_com" = "xyes"; then
 824         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 825         AC_MSG_NOTICE([Disabled COM support])
 826 fi
 827
 828 if test "x$mono_feature_disable_ssa" = "xyes"; then
 829         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 830         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 831 fi
 832
 833 if test "x$mono_feature_disable_generics" = "xyes"; then
 834         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 835         AC_MSG_NOTICE([Disabled Generics Support])
 836 fi
 837
 838 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 839         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 840         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 841 fi
 842
 843 if test "x$mono_feature_disable_portability" = "xyes"; then
 844         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 845         AC_MSG_NOTICE([Disabled IO Portability layer])
 846 fi
 847
 848 if test "x$mono_feature_disable_attach" = "xyes"; then
 849         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 850         AC_MSG_NOTICE([Disabled agent attach])
 851 fi
 852
 853 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 854         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 855         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 856 fi
 857
 858 if test "x$mono_feature_disable_verifier" = "xyes"; then
 859         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 860         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 861 fi
 862
 863 if test "x$mono_feature_disable_jit" = "xyes"; then
 864         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 865         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 866 fi
 867
 868 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 869
 870 if test "x$mono_feature_disable_simd" = "xyes"; then
 871         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 872         AC_MSG_NOTICE([Disabled SIMD support])
 873 fi
 874
 875 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 876         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 877         AC_MSG_NOTICE([Disabled Soft Debugger.])
 878 fi
 879
 880 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 881         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 882         AC_MSG_NOTICE([Disabled Performance Counters.])
 883 fi
 884 if test "x$mono_feature_disable_normalization" = "xyes"; then
 885         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 886         AC_MSG_NOTICE([Disabled String normalization support.])
 887 fi
 888
 889 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 890         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 891         AC_MSG_NOTICE([Disabled Assembly remapping.])
 892 fi
 893
 894 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 895         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 896         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 897 fi
 898
 899 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 900         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 901         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 902 fi
 903
 904 if test "x$mono_feature_disable_remoting" = "xyes"; then
 905         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 906         AC_MSG_NOTICE([Disabled remoting])
 907 fi
 908
 909 if test "x$mono_feature_disable_security" = "xyes"; then
 910         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 911         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 912 fi
 913
 914 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 915         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 916         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 917 fi
 918
 919 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 920         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 921         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 922 fi
 923
 924 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 925         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 926         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 927 fi
 928
 929 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 931         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 932 fi
 933
 934 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 935         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 936         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 937 fi
 938
 939 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 940 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 941
 942 has_extension_module=no
 943 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 944 [
 945         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 946                 if test x$extension = xdefault ; then
 947                         has_extension_module=yes;
 948                 fi
 949         done
 950         if test x$enable_extension_module = xyes; then
 951                 has_extension_module=yes;
 952         fi
 953 ], [])
 954
 955 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 956
 957 if test x$has_extension_module != xno ; then
 958         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 959         AC_MSG_NOTICE([Enabling mono extension module.])
 960 fi
 961
 962 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 963 if test x$enable_gsharing = xyes; then
 964         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 965 fi
 966
 967 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 968 if test x$enable_native_types = xyes; then
 969         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 970 fi
 971
 972 AC_MSG_CHECKING(for visibility __attribute__)
 973 AC_COMPILE_IFELSE([
 974         AC_LANG_SOURCE([[
 975                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 976                 int main () { doit (); return 0; }
 977         ]])
 978 ], [
 979    have_visibility_hidden=yes
 980    AC_MSG_RESULT(yes)
 981 ], [
 982    have_visibility_hidden=no
 983    AC_MSG_RESULT(no)
 984 ])
 985
 986 AC_MSG_CHECKING(for deprecated __attribute__)
 987 AC_TRY_COMPILE([
 988      int doit (void) __attribute__ ((deprecated));
 989      int doit (void) { return 0; }
 990 ], [
 991         return 0;
 992 ], [
 993    have_deprecated=yes
 994    AC_MSG_RESULT(yes)
 995 ], [
 996    have_deprecated=no
 997    AC_MSG_RESULT(no)
 998 ])
 999
1000 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1001 if test x$enable_parallel_mark = xyes; then
1002         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1003 fi
1004
1005 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1006 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1007
1008 dnl
1009 dnl Boehm GC configuration
1010 dnl
1011 LIBGC_CPPFLAGS=
1012 LIBGC_LIBS=
1013 LIBGC_STATIC_LIBS=
1014 libgc_dir=
1015 case "x$gc" in
1016         xboehm|xbohem|xyes)
1017                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1018                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1019
1020                 if test "x$found_boehm" != "xyes"; then
1021                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1022                 fi
1023                 if test "x$gc_headers" != "xyes"; then
1024                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1025                 fi
1026
1027                 LIBGC_LIBS="-lgc $libdl"
1028                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1029                 libmono_ldflags="$libmono_ldflags -lgc"
1030                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1031
1032                 # AC_CHECK_FUNCS does not work for some reason...
1033                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1034                 if test "x$found_gcj_malloc" = "xyes"; then
1035                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1036                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1037                         gc_msg="System Boehm with typed GC"
1038                 else
1039                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1040                         gc_msg="System Boehm (without typed GC)"
1041                 fi
1042                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1043                 if test "x$found_gc_enable" = "xyes"; then
1044                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1045                 fi
1046
1047                 # check whether we need to explicitly allow
1048                 # thread registering
1049                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1050                 if test "x$found_allow_register_threads" = "xyes"; then
1051                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1052                 fi
1053
1054                 ;;
1055
1056         xincluded)
1057                 use_included_gc=yes
1058                 if test "x$support_boehm" = "xyes"; then
1059                         libgc_dir=libgc
1060                 fi
1061
1062                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1063                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1064                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1065
1066                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1067
1068                 if test x$target_win32 = xyes; then
1069                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1070                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1071                 fi
1072
1073                 gc_msg="bundled Boehm GC with typed GC"
1074                 if test x$enable_parallel_mark = xyes; then
1075                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1076                         gc_msg="$gc_msg and parallel mark"
1077                 else
1078                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1079                 fi
1080                 ;;
1081
1082         xsgen)
1083                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1084                 ;;
1085
1086         xnone)
1087                 AC_MSG_WARN("Compiling mono without GC.")
1088                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1089                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1090                 gc_msg="none"
1091                 ;;
1092         *)
1093                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1094                 ;;
1095 esac
1096
1097 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1098 if test "x$large_heap" = "xyes"; then
1099    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1100 fi
1101
1102 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1103 AC_SUBST(LIBGC_CPPFLAGS)
1104 AC_SUBST(LIBGC_LIBS)
1105 AC_SUBST(LIBGC_STATIC_LIBS)
1106 AC_SUBST(libgc_dir)
1107 AC_SUBST(BOEHM_DEFINES)
1108
1109 dnl
1110 dnl End of libgc checks
1111 dnl
1112
1113 dnl *************************************
1114 dnl *** Checks for zero length arrays ***
1115 dnl *************************************
1116 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1117 AC_TRY_COMPILE([
1118         struct s {
1119                 int  length;
1120                 char data [0];
1121         };
1122 ], [], [
1123         AC_MSG_RESULT(yes)
1124         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1125 ], [
1126         AC_MSG_RESULT(no)
1127         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1128 ])
1129
1130 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1131
1132 if test x$target_win32 = xno; then
1133
1134         dnl hires monotonic clock support
1135         AC_SEARCH_LIBS(clock_gettime, rt)
1136
1137         dnl dynamic loader support
1138         AC_CHECK_FUNC(dlopen, DL_LIB="",
1139                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1140         )
1141         if test x$dl_support = xno; then
1142                 AC_MSG_WARN([No dynamic loading support available])
1143         else
1144                 LIBS="$LIBS $DL_LIB"
1145                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1146                 dnl from glib's configure.ac
1147                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1148                         mono_cv_uscore,[
1149                         AC_TRY_RUN([#include <dlfcn.h>
1150                         int mono_underscore_test (void) { return 42; }
1151                         int main() {
1152                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1153                           handle = dlopen ((void*)0, 0);
1154                           if (handle) {
1155                             f1 = dlsym (handle, "mono_underscore_test");
1156                             f2 = dlsym (handle, "_mono_underscore_test");
1157                           } return (!f2 || f1);
1158                         }],
1159                                 [mono_cv_uscore=yes],
1160                                 [mono_cv_uscore=no],
1161                         [])
1162                 ])
1163                 if test "x$mono_cv_uscore" = "xyes"; then
1164                         MONO_DL_NEED_USCORE=1
1165                 else
1166                         MONO_DL_NEED_USCORE=0
1167                 fi
1168                 AC_SUBST(MONO_DL_NEED_USCORE)
1169                 AC_CHECK_FUNC(dlerror)
1170         fi
1171
1172         dnl ******************************************************************
1173         dnl *** Checks for the IKVM JNI interface library                  ***
1174         dnl ******************************************************************
1175         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])
1176
1177         ikvm_native_dir=
1178         if test x$with_ikvm_native = xyes; then
1179                 ikvm_native_dir=ikvm-native
1180                 jdk_headers_found="IKVM Native"
1181         fi
1182
1183         AC_SUBST(ikvm_native_dir)
1184
1185         AC_CHECK_HEADERS(execinfo.h)
1186
1187         AC_CHECK_HEADERS(sys/auxv.h)
1188
1189         AC_CHECK_FUNCS(getgrgid_r)
1190         AC_CHECK_FUNCS(getgrnam_r)
1191         AC_CHECK_FUNCS(getpwnam_r)
1192         AC_CHECK_FUNCS(getpwuid_r)
1193         AC_CHECK_FUNCS(getresuid)
1194         AC_CHECK_FUNCS(setresuid)
1195         AC_CHECK_FUNCS(kqueue)
1196         AC_CHECK_FUNCS(backtrace_symbols)
1197         AC_CHECK_FUNCS(mkstemp)
1198         AC_CHECK_FUNCS(mmap)
1199         AC_CHECK_FUNCS(madvise)
1200         AC_CHECK_FUNCS(getrusage)
1201         AC_CHECK_FUNCS(getpriority)
1202         AC_CHECK_FUNCS(setpriority)
1203         AC_CHECK_FUNCS(dl_iterate_phdr)
1204         AC_CHECK_FUNCS(dladdr)
1205         AC_CHECK_FUNCS(sysconf)
1206
1207         AC_CHECK_FUNCS(sched_setaffinity)
1208         AC_CHECK_FUNCS(sched_getcpu)
1209
1210         dnl ****************************************************************
1211         dnl *** Check for sched_setaffinity from glibc versions before   ***
1212         dnl *** 2.3.4. The older versions of the function only take 2    ***
1213         dnl *** parameters, not 3.                                       ***
1214         dnl ***                                                          ***
1215         dnl *** Because the interface change was not made in a minor     ***
1216         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1217         dnl *** won't always indicate the interface sched_affinity has.  ***
1218         dnl ****************************************************************
1219         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1220         AC_TRY_COMPILE([#include <sched.h>], [
1221             int mask = 1;
1222             sched_setaffinity(0, &mask);
1223                         return 0;
1224         ], [
1225                 # Yes, we have it...
1226                 AC_MSG_RESULT(yes)
1227                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1228         ], [
1229                 # We have the new, three-parameter version
1230                 AC_MSG_RESULT(no)
1231         ])
1232
1233
1234         dnl ******************************************************************
1235         dnl *** Check for large file support                               ***
1236         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1237         dnl ******************************************************************
1238
1239         # Check that off_t can represent 2**63 - 1 correctly, working around
1240         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1241         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1242         large_offt=no
1243         AC_DEFUN([LARGE_FILES], [
1244                 large_CPPFLAGS=$CPPFLAGS
1245                 CPPFLAGS="$CPPFLAGS $1"
1246                 AC_TRY_COMPILE([
1247                         #include <sys/types.h>
1248                         #include <limits.h>
1249                 ], [
1250                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1251                         #define COMPILE_TIME_ASSERT(pred) \
1252                                 switch(0){case 0:case pred:;}
1253                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1254                 ], [
1255                         AC_MSG_RESULT(ok)
1256                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1257                         large_CPPFLAGS="$large_CPPFLAGS $1"
1258                         large_offt=yes
1259                 ], [
1260                         AC_MSG_RESULT(no)
1261                 ])
1262                 CPPFLAGS=$large_CPPFLAGS
1263         ])
1264
1265         AC_MSG_CHECKING(if off_t is 64 bits wide)
1266         LARGE_FILES("")
1267         if test $large_offt = no; then
1268                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1269                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1270         fi
1271         if test $large_offt = no; then
1272                 AC_MSG_WARN([No 64 bit file size support available])
1273         fi
1274
1275         dnl *****************************
1276         dnl *** Checks for libsocket  ***
1277         dnl *****************************
1278         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1279
1280         case "$host" in
1281                 *-*-*freebsd*)
1282                         dnl *****************************
1283                         dnl *** Checks for libinotify ***
1284                         dnl *****************************
1285                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1286         esac
1287
1288         dnl *******************************
1289         dnl *** Checks for MSG_NOSIGNAL ***
1290         dnl *******************************
1291         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1292         AC_TRY_COMPILE([#include <sys/socket.h>], [
1293                 int f = MSG_NOSIGNAL;
1294         ], [
1295                 # Yes, we have it...
1296                 AC_MSG_RESULT(yes)
1297                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1298         ], [
1299                 # We'll have to use signals
1300                 AC_MSG_RESULT(no)
1301         ])
1302
1303         dnl *****************************
1304         dnl *** Checks for IPPROTO_IP ***
1305         dnl *****************************
1306         AC_MSG_CHECKING(for IPPROTO_IP)
1307         AC_TRY_COMPILE([#include <netinet/in.h>], [
1308                 int level = IPPROTO_IP;
1309         ], [
1310                 # Yes, we have it...
1311                 AC_MSG_RESULT(yes)
1312                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1313         ], [
1314                 # We'll have to use getprotobyname
1315                 AC_MSG_RESULT(no)
1316         ])
1317
1318         dnl *******************************
1319         dnl *** Checks for IPPROTO_IPV6 ***
1320         dnl *******************************
1321         AC_MSG_CHECKING(for IPPROTO_IPV6)
1322         AC_TRY_COMPILE([#include <netinet/in.h>], [
1323                 int level = IPPROTO_IPV6;
1324         ], [
1325                 # Yes, we have it...
1326                 AC_MSG_RESULT(yes)
1327                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1328         ], [
1329                 # We'll have to use getprotobyname
1330                 AC_MSG_RESULT(no)
1331         ])
1332
1333         dnl ******************************
1334         dnl *** Checks for IPPROTO_TCP ***
1335         dnl ******************************
1336         AC_MSG_CHECKING(for IPPROTO_TCP)
1337         AC_TRY_COMPILE([#include <netinet/in.h>], [
1338                 int level = IPPROTO_TCP;
1339         ], [
1340                 # Yes, we have it...
1341                 AC_MSG_RESULT(yes)
1342                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1343         ], [
1344                 # We'll have to use getprotobyname
1345                 AC_MSG_RESULT(no)
1346         ])
1347
1348         dnl *****************************
1349         dnl *** Checks for SOL_IP     ***
1350         dnl *****************************
1351         AC_MSG_CHECKING(for SOL_IP)
1352         AC_TRY_COMPILE([#include <netdb.h>], [
1353                 int level = SOL_IP;
1354         ], [
1355                 # Yes, we have it...
1356                 AC_MSG_RESULT(yes)
1357                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1358         ], [
1359                 # We'll have to use getprotobyname
1360                 AC_MSG_RESULT(no)
1361         ])
1362
1363         dnl *****************************
1364         dnl *** Checks for SOL_IPV6     ***
1365         dnl *****************************
1366         AC_MSG_CHECKING(for SOL_IPV6)
1367         AC_TRY_COMPILE([#include <netdb.h>], [
1368                 int level = SOL_IPV6;
1369         ], [
1370                 # Yes, we have it...
1371                 AC_MSG_RESULT(yes)
1372                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1373         ], [
1374                 # We'll have to use getprotobyname
1375                 AC_MSG_RESULT(no)
1376         ])
1377
1378         dnl *****************************
1379         dnl *** Checks for SOL_TCP    ***
1380         dnl *****************************
1381         AC_MSG_CHECKING(for SOL_TCP)
1382         AC_TRY_COMPILE([#include <netdb.h>], [
1383                 int level = SOL_TCP;
1384         ], [
1385                 # Yes, we have it...
1386                 AC_MSG_RESULT(yes)
1387                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1388         ], [
1389                 # We'll have to use getprotobyname
1390                 AC_MSG_RESULT(no)
1391         ])
1392
1393         dnl *****************************
1394         dnl *** Checks for IP_PKTINFO ***
1395         dnl *****************************
1396         AC_MSG_CHECKING(for IP_PKTINFO)
1397         AC_TRY_COMPILE([#include <linux/in.h>], [
1398                 int level = IP_PKTINFO;
1399         ], [
1400                 # Yes, we have it...
1401                 AC_MSG_RESULT(yes)
1402                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1403         ], [
1404                 AC_MSG_RESULT(no)
1405         ])
1406
1407         dnl *****************************
1408         dnl *** Checks for IPV6_PKTINFO ***
1409         dnl *****************************
1410         AC_MSG_CHECKING(for IPV6_PKTINFO)
1411         AC_TRY_COMPILE([#include <netdb.h>], [
1412                 int level = IPV6_PKTINFO;
1413         ], [
1414                 # Yes, we have it...
1415                 AC_MSG_RESULT(yes)
1416                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1417         ], [
1418                 AC_MSG_RESULT(no)
1419         ])
1420
1421         dnl **********************************
1422         dnl *** Checks for IP_DONTFRAG     ***
1423         dnl **********************************
1424         AC_MSG_CHECKING(for IP_DONTFRAG)
1425         AC_TRY_COMPILE([#include <netinet/in.h>], [
1426                 int level = IP_DONTFRAG;
1427         ], [
1428                 # Yes, we have it...
1429                 AC_MSG_RESULT(yes)
1430                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1431         ], [
1432                 AC_MSG_RESULT(no)
1433         ])
1434
1435         dnl **********************************
1436         dnl *** Checks for IP_DONTFRAGMENT ***
1437         dnl **********************************
1438         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1439         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1440                 int level = IP_DONTFRAGMENT;
1441         ], [
1442                 # Yes, we have it...
1443                 AC_MSG_RESULT(yes)
1444                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1445         ], [
1446                 AC_MSG_RESULT(no)
1447         ])
1448
1449         dnl **********************************
1450         dnl *** Checks for IP_MTU_DISCOVER ***
1451         dnl **********************************
1452         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1453         AC_TRY_COMPILE([#include <linux/in.h>], [
1454                 int level = IP_MTU_DISCOVER;
1455         ], [
1456                 # Yes, we have it...
1457                 AC_MSG_RESULT(yes)
1458                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1459         ], [
1460                 AC_MSG_RESULT(no)
1461         ])
1462
1463         dnl **********************************
1464         dnl *** Checks for  IP_PMTUDISC_DO ***
1465         dnl **********************************
1466         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1467         AC_TRY_COMPILE([#include <linux/in.h>], [
1468                 int level = IP_PMTUDISC_DO;
1469         ], [
1470                 # Yes, we have it...
1471                 AC_MSG_RESULT(yes)
1472                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1473         ], [
1474                 AC_MSG_RESULT(no)
1475         ])
1476
1477         dnl *********************************
1478         dnl *** Check for struct ip_mreqn ***
1479         dnl *********************************
1480         AC_MSG_CHECKING(for struct ip_mreqn)
1481         AC_TRY_COMPILE([#include <netinet/in.h>], [
1482                 struct ip_mreqn mreq;
1483                 mreq.imr_address.s_addr = 0;
1484         ], [
1485                 # Yes, we have it...
1486                 AC_MSG_RESULT(yes)
1487                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1488         ], [
1489                 # We'll just have to try and use struct ip_mreq
1490                 AC_MSG_RESULT(no)
1491                 AC_MSG_CHECKING(for struct ip_mreq)
1492                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1493                         struct ip_mreq mreq;
1494                         mreq.imr_interface.s_addr = 0;
1495                 ], [
1496                         # Yes, we have it...
1497                         AC_MSG_RESULT(yes)
1498                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1499                 ], [
1500                         # No multicast support
1501                         AC_MSG_RESULT(no)
1502                 ])
1503         ])
1504
1505         dnl **********************************
1506         dnl *** Check for gethostbyname2_r ***
1507         dnl **********************************
1508         AC_MSG_CHECKING(for gethostbyname2_r)
1509                 AC_TRY_LINK([#include <netdb.h>], [
1510                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1511         ], [
1512                 # Yes, we have it...
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1515         ], [
1516                 AC_MSG_RESULT(no)
1517         ])
1518
1519         dnl *****************************
1520         dnl *** Checks for libnsl     ***
1521         dnl *****************************
1522         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1523
1524         AC_CHECK_FUNCS(inet_pton inet_aton)
1525
1526         dnl *****************************
1527         dnl *** Checks for libxnet    ***
1528         dnl *****************************
1529         case "${host}" in
1530                 *solaris* )
1531                         AC_MSG_CHECKING(for Solaris XPG4 support)
1532                         if test -f /usr/lib/libxnet.so; then
1533                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1534                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1535                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1536                                 LIBS="$LIBS -lxnet"
1537                                 AC_MSG_RESULT(yes)
1538                         else
1539                                 AC_MSG_RESULT(no)
1540                         fi
1541
1542                         if test "$GCC" = "yes"; then
1543                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1544                         fi
1545                 ;;
1546         esac
1547
1548         dnl *****************************
1549         dnl *** Checks for libpthread ***
1550         dnl *****************************
1551 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1552 # and libpthread does not exist
1553 #
1554         case "${host}" in
1555                 *-*-*freebsd*)
1556                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1557                 ;;
1558                 *-*-*openbsd*)
1559                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1560                 ;;
1561                 *)
1562                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1563                 ;;
1564         esac
1565         AC_CHECK_HEADERS(pthread.h)
1566         AC_CHECK_HEADERS(pthread_np.h)
1567         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1568         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1569         AC_CHECK_FUNCS(pthread_kill)
1570         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1571         AC_TRY_COMPILE([ #include <pthread.h>], [
1572                 pthread_mutexattr_t attr;
1573                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1574         ], [
1575                 AC_MSG_RESULT(ok)
1576         ], [
1577                 AC_MSG_RESULT(no)
1578                 AC_ERROR(Posix system lacks support for recursive mutexes)
1579         ])
1580         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1581         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1582         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1583
1584         dnl ***********************************
1585         dnl *** Checks for signals
1586         dnl ***********************************
1587         AC_CHECK_HEADERS(signal.h)
1588         AC_CHECK_FUNCS(sigaction)
1589
1590         dnl ***********************************
1591         dnl *** Checks for working __thread ***
1592         dnl ***********************************
1593         AC_MSG_CHECKING(for working __thread)
1594         if test "x$with_tls" != "x__thread"; then
1595                 AC_MSG_RESULT(disabled)
1596         elif test "x$cross_compiling" = "xyes"; then
1597                 AC_MSG_RESULT(cross compiling, assuming yes)
1598         else
1599                 AC_TRY_RUN([
1600                         #if defined(__APPLE__) && defined(__clang__)
1601                         #error "__thread does not currently work with clang on Mac OS X"
1602                         #endif
1603
1604                         #include <pthread.h>
1605                         __thread int i;
1606                         static int res1, res2;
1607
1608                         void thread_main (void *arg)
1609                         {
1610                                 i = arg;
1611                                 sleep (1);
1612                                 if (arg == 1)
1613                                         res1 = (i == arg);
1614                                 else
1615                                         res2 = (i == arg);
1616                         }
1617
1618                         int main () {
1619                                 pthread_t t1, t2;
1620
1621                                 i = 5;
1622
1623                                 pthread_create (&t1, NULL, thread_main, 1);
1624                                 pthread_create (&t2, NULL, thread_main, 2);
1625
1626                                 pthread_join (t1, NULL);
1627                                 pthread_join (t2, NULL);
1628
1629                                 return !(res1 + res2 == 2);
1630                         }
1631                 ], [
1632                                 AC_MSG_RESULT(yes)
1633                 ], [
1634                                 AC_MSG_RESULT(no)
1635                                 with_tls=pthread
1636                 ])
1637         fi
1638
1639         dnl **************************************
1640         dnl *** Checks for working sigaltstack ***
1641         dnl **************************************
1642         AC_MSG_CHECKING(for working sigaltstack)
1643         if test "x$with_sigaltstack" != "xyes"; then
1644                 AC_MSG_RESULT(disabled)
1645         elif test "x$cross_compiling" = "xyes"; then
1646                 AC_MSG_RESULT(cross compiling, assuming yes)
1647         else
1648                 AC_TRY_RUN([
1649                         #include <stdio.h>
1650                         #include <stdlib.h>
1651                         #include <unistd.h>
1652                         #include <signal.h>
1653                         #include <pthread.h>
1654                         #include <sys/wait.h>
1655                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1656                         #define SA_STACK SA_ONSTACK
1657                         #endif
1658                         static void
1659                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1660                         {
1661                                 exit (0);
1662                         }
1663
1664                         volatile char*__ptr = NULL;
1665                         static void *
1666                         loop (void *ignored)
1667                         {
1668                                 *__ptr = 0;
1669                                 return NULL;
1670                         }
1671
1672                         static void
1673                         child ()
1674                         {
1675                                 struct sigaction sa;
1676                         #ifdef __APPLE__
1677                                 stack_t sas;
1678                         #else
1679                                 struct sigaltstack sas;
1680                         #endif
1681                                 pthread_t id;
1682                                 pthread_attr_t attr;
1683
1684                                 sa.sa_sigaction = sigsegv_signal_handler;
1685                                 sigemptyset (&sa.sa_mask);
1686                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1687                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1688                                         perror ("sigaction");
1689                                         return;
1690                                 }
1691
1692                                 /* x86 darwin deliver segfaults using SIGBUS */
1693                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1694                                         perror ("sigaction");
1695                                         return;
1696                                 }
1697                                 sas.ss_sp = malloc (SIGSTKSZ);
1698                                 sas.ss_size = SIGSTKSZ;
1699                                 sas.ss_flags = 0;
1700                                 if (sigaltstack (&sas, NULL) == -1) {
1701                                         perror ("sigaltstack");
1702                                         return;
1703                                 }
1704
1705                                 pthread_attr_init (&attr);
1706                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1707                                         printf ("pthread_create\n");
1708                                         return;
1709                                 }
1710
1711                                 sleep (100);
1712                         }
1713
1714                         int
1715                         main ()
1716                         {
1717                                 pid_t son;
1718                                 int status;
1719                                 int i;
1720
1721                                 son = fork ();
1722                                 if (son == -1) {
1723                                         return 1;
1724                                 }
1725
1726                                 if (son == 0) {
1727                                         child ();
1728                                         return 0;
1729                                 }
1730
1731                                 for (i = 0; i < 300; ++i) {
1732                                         waitpid (son, &status, WNOHANG);
1733                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1734                                                 return 0;
1735                                         usleep (10000);
1736                                 }
1737
1738                                 kill (son, SIGKILL);
1739                                 return 1;
1740                         }
1741
1742                 ], [
1743                                 AC_MSG_RESULT(yes)
1744                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1745                 ], [
1746                                 with_sigaltstack=no
1747                                 AC_MSG_RESULT(no)
1748                 ])
1749         fi
1750
1751         dnl ********************************
1752         dnl *** Checks for semaphore lib ***
1753         dnl ********************************
1754         # 'Real Time' functions on Solaris
1755         # posix4 on Solaris 2.6
1756         # pthread (first!) on Linux
1757         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1758
1759         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1760         AC_CHECK_FUNCS(shm_open)
1761
1762         dnl ********************************
1763         dnl *** Checks for timezone stuff **
1764         dnl ********************************
1765         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1766                 AC_TRY_COMPILE([
1767                         #include <time.h>
1768                         ], [
1769                         struct tm tm;
1770                         tm.tm_gmtoff = 1;
1771                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1772         if test $ac_cv_struct_tm_gmtoff = yes; then
1773                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1774         else
1775                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1776                         AC_TRY_COMPILE([
1777                                 #include <time.h>
1778                         ], [
1779                                 timezone = 1;
1780                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1781                 if test $ac_cv_var_timezone = yes; then
1782                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1783                 else
1784                         AC_ERROR(unable to find a way to determine timezone)
1785                 fi
1786         fi
1787
1788         dnl *********************************
1789         dnl *** Checks for math functions ***
1790         dnl *********************************
1791         AC_SEARCH_LIBS(sqrtf, m)
1792         if test "x$has_broken_apple_cpp" != "xyes"; then
1793                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1794                         AC_TRY_LINK([#include <math.h>],
1795                         [ finite(0.0); ],
1796                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1797                         AC_MSG_RESULT(no)))
1798         fi
1799         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1800                 AC_TRY_LINK([#include <math.h>],
1801                 [ isfinite(0.0); ],
1802                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1803                 AC_MSG_RESULT(no)))
1804
1805         dnl ****************************************************************
1806         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1807         dnl *** have it in the library (duh))                            ***
1808         dnl ****************************************************************
1809         AC_CHECK_FUNCS(poll)
1810
1811         dnl *************************
1812         dnl *** Check for signbit ***
1813         dnl *************************
1814         AC_MSG_CHECKING(for signbit)
1815         AC_TRY_LINK([#include <math.h>], [
1816                 int s = signbit(1.0);
1817         ], [
1818                 AC_MSG_RESULT(yes)
1819                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1820         ], [
1821                 AC_MSG_RESULT(no)
1822         ])
1823
1824         dnl **********************************
1825         dnl *** epoll                      ***
1826         dnl **********************************
1827         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1828                 AC_CHECK_HEADERS(sys/epoll.h)
1829                 haveepoll=no
1830                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1831                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1832                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1833                 fi
1834         fi
1835
1836         havekqueue=no
1837
1838         AC_CHECK_HEADERS(sys/event.h)
1839         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1840
1841         dnl **************************************
1842         dnl * Darwin has a race that prevents us from using reliably:
1843         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1844         dnl * Since kqueue is mostly used for scaling large web servers,
1845         dnl * and very few folks run Mono on large web servers on OSX, falling
1846         dnl * back
1847         dnl **************************************
1848         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1849                 if test "x$platform_darwin" = "xno"; then
1850                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1851                 fi
1852         fi
1853
1854         dnl ******************************
1855         dnl *** Checks for SIOCGIFCONF ***
1856         dnl ******************************
1857         AC_CHECK_HEADERS(sys/ioctl.h)
1858         AC_CHECK_HEADERS(net/if.h, [], [],
1859            [
1860            #ifdef HAVE_SYS_TYPES_H
1861            # include <sys/types.h>
1862            #endif
1863            #ifdef HAVE_SYS_SOCKET_H
1864            # include <sys/socket.h>
1865            #endif
1866            ])
1867         AC_MSG_CHECKING(for ifreq)
1868         AC_TRY_COMPILE([
1869                 #include <stdio.h>
1870                 #include <sys/ioctl.h>
1871                 #include <net/if.h>
1872                 ], [
1873                 struct ifconf ifc;
1874                 struct ifreq *ifr;
1875                 void *x;
1876                 ifc.ifc_len = 0;
1877                 ifc.ifc_buf = NULL;
1878                 x = (void *) &ifr->ifr_addr;
1879                 ],[
1880                         AC_MSG_RESULT(yes)
1881                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1882                 ], [
1883                         AC_MSG_RESULT(no)
1884                 ])
1885         dnl **********************************
1886         dnl ***     Checks for sin_len     ***
1887         dnl **********************************
1888         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1889         AC_TRY_COMPILE([
1890                 #include <netinet/in.h>
1891                 ], [
1892                 struct sockaddr_in saddr;
1893                 saddr.sin_len = sizeof (saddr);
1894                 ],[
1895                         AC_MSG_RESULT(yes)
1896                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1897                 ], [
1898                         AC_MSG_RESULT(no)
1899                 ])
1900         dnl **********************************
1901         dnl ***    Checks for sin6_len     ***
1902         dnl **********************************
1903         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1904         AC_TRY_COMPILE([
1905                 #include <netinet/in.h>
1906                 ], [
1907                 struct sockaddr_in6 saddr6;
1908                 saddr6.sin6_len = sizeof (saddr6);
1909                 ],[
1910                         AC_MSG_RESULT(yes)
1911                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1912                 ], [
1913                         AC_MSG_RESULT(no)
1914                 ])
1915         dnl **********************************
1916         dnl *** Check for getifaddrs       ***
1917         dnl **********************************
1918         AC_MSG_CHECKING(for getifaddrs)
1919                 AC_TRY_LINK([
1920                 #include <stdio.h>
1921                 #include <sys/types.h>
1922                 #include <sys/socket.h>
1923                 #include <ifaddrs.h>
1924         ], [
1925                 getifaddrs(NULL);
1926         ], [
1927                 # Yes, we have it...
1928                 AC_MSG_RESULT(yes)
1929                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1930         ], [
1931                 AC_MSG_RESULT(no)
1932         ])
1933         dnl **********************************
1934         dnl *** Check for if_nametoindex   ***
1935         dnl **********************************
1936         AC_MSG_CHECKING(for if_nametoindex)
1937                 AC_TRY_LINK([
1938                 #include <stdio.h>
1939                 #include <sys/types.h>
1940                 #include <sys/socket.h>
1941                 #include <net/if.h>
1942         ], [
1943                 if_nametoindex(NULL);
1944         ], [
1945                 # Yes, we have it...
1946                 AC_MSG_RESULT(yes)
1947                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1948         ], [
1949                 AC_MSG_RESULT(no)
1950         ])
1951
1952         dnl **********************************
1953         dnl *** Checks for MonoPosixHelper ***
1954         dnl **********************************
1955         AC_CHECK_HEADERS(checklist.h)
1956         AC_CHECK_HEADERS(pathconf.h)
1957         AC_CHECK_HEADERS(fstab.h)
1958         AC_CHECK_HEADERS(attr/xattr.h)
1959         AC_CHECK_HEADERS(sys/extattr.h)
1960         AC_CHECK_HEADERS(sys/sendfile.h)
1961         AC_CHECK_HEADERS(sys/statvfs.h)
1962         AC_CHECK_HEADERS(sys/statfs.h)
1963         AC_CHECK_HEADERS(sys/vfstab.h)
1964         AC_CHECK_HEADERS(sys/xattr.h)
1965         AC_CHECK_HEADERS(sys/mman.h)
1966         AC_CHECK_HEADERS(sys/param.h)
1967         AC_CHECK_HEADERS(sys/mount.h, [], [],
1968                 [
1969                 #ifdef HAVE_SYS_PARAM_H
1970                 # include <sys/param.h>
1971                 #endif
1972                 ])
1973         AC_CHECK_HEADERS(sys/mount.h)
1974         AC_CHECK_FUNCS(confstr)
1975         AC_CHECK_FUNCS(seekdir telldir)
1976         AC_CHECK_FUNCS(getdomainname)
1977         AC_CHECK_FUNCS(setdomainname)
1978         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1979         AC_CHECK_FUNCS(setgroups)
1980         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1981         AC_CHECK_FUNCS(getfsstat)
1982         AC_CHECK_FUNCS(lutimes futimes)
1983         AC_CHECK_FUNCS(mremap)
1984         AC_CHECK_FUNCS(remap_file_pages)
1985         AC_CHECK_FUNCS(posix_fadvise)
1986         AC_CHECK_FUNCS(posix_fallocate)
1987         AC_CHECK_FUNCS(posix_madvise)
1988         AC_CHECK_FUNCS(vsnprintf)
1989         AC_CHECK_FUNCS(sendfile)
1990         AC_CHECK_FUNCS(gethostid sethostid)
1991         AC_CHECK_FUNCS(sethostname)
1992         AC_CHECK_FUNCS(statfs)
1993         AC_CHECK_FUNCS(fstatfs)
1994         AC_CHECK_FUNCS(statvfs)
1995         AC_CHECK_FUNCS(fstatvfs)
1996         AC_CHECK_FUNCS(stime)
1997         AC_CHECK_FUNCS(strerror_r)
1998         AC_CHECK_FUNCS(ttyname_r)
1999         AC_CHECK_FUNCS(psignal)
2000         AC_CHECK_FUNCS(getlogin_r)
2001         AC_CHECK_FUNCS(lockf)
2002         AC_CHECK_FUNCS(swab)
2003         AC_CHECK_FUNCS(setusershell endusershell)
2004         AC_CHECK_FUNCS(futimens utimensat)
2005         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2006         AC_CHECK_FUNCS(readv writev preadv pwritev)
2007         AC_CHECK_FUNCS(setpgid)
2008         AC_CHECK_SIZEOF(size_t)
2009         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2010                 [#include <sys/types.h>
2011                  #include <sys/stat.h>
2012                  #include <unistd.h>])
2013         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2014                 [#include <sys/types.h>
2015                  #include <sys/stat.h>
2016                  #include <unistd.h>])
2017         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2018                 [#include <sys/time.h>])
2019         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2020                 [#include <unistd.h>
2021                  #include <fcntl.h>])
2022         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2023                 [#include <sys/uio.h>])
2024         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2025                 [#include <sys/poll.h>])
2026         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2027                 [#include <sys/types.h>
2028                  #include <sys/stat.h>
2029                  #include <unistd.h>])
2030         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2031                 [#include <time.h>])
2032         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2033                 [#include <sys/time.h>
2034                  #include <sys/types.h>
2035                  #include <utime.h>])
2036         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2037                 [#include <sys/time.h>])
2038         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2039                 [#include <sys/types.h>
2040                  #include <utime.h>])
2041         AC_CHECK_MEMBERS(
2042                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2043                 [#include <sys/types.h>
2044                  #include <dirent.h>])
2045         AC_CHECK_MEMBERS(
2046                 [struct passwd.pw_gecos],,,
2047                 [#include <sys/types.h>
2048                  #include <pwd.h>])
2049         AC_CHECK_MEMBERS(
2050                 [struct statfs.f_flags],,,
2051                 [#include <sys/types.h>
2052                  #include <sys/vfs.h>])
2053         AC_CHECK_MEMBERS(
2054                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2055                 [#include <sys/types.h>
2056                  #include <sys/stat.h>
2057                  #include <unistd.h>])
2058
2059         dnl Favour xattr through glibc, but use libattr if we have to
2060         AC_CHECK_FUNC(lsetxattr, ,
2061                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2062         )
2063         AC_SUBST(XATTR_LIB)
2064
2065         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2066         AC_CHECK_MEMBERS(
2067                 [struct kinfo_proc.kp_proc],,,
2068                 [#include <sys/types.h>
2069                  #include <sys/param.h>
2070                  #include <sys/sysctl.h>
2071                  #include <sys/proc.h>
2072                  ])
2073
2074         dnl *********************************
2075         dnl *** Checks for Windows compilation ***
2076         dnl *********************************
2077         AC_CHECK_HEADERS(sys/time.h)
2078         AC_CHECK_HEADERS(sys/param.h)
2079         AC_CHECK_HEADERS(dirent.h)
2080
2081         dnl ******************************************
2082         dnl *** Checks for OSX and iOS compilation ***
2083         dnl ******************************************
2084         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2085
2086         dnl *********************************
2087         dnl *** Check for Console 2.0 I/O ***
2088         dnl *********************************
2089         AC_CHECK_HEADERS([curses.h])
2090         AC_CHECK_HEADERS([term.h], [], [],
2091         [#if HAVE_CURSES_H
2092          #include <curses.h>
2093          #endif
2094         ])
2095         AC_CHECK_HEADERS([termios.h])
2096
2097         dnl * This is provided in io-layer, but on windows it's only available
2098         dnl * on xp+
2099         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2100 else
2101         dnl *********************************
2102         dnl *** Checks for Windows compilation ***
2103         dnl *********************************
2104         AC_CHECK_HEADERS(winternl.h)
2105
2106         jdk_headers_found=no
2107         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2108         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2109         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2110         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2111         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2112         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2113         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2114
2115         dnl *********************************
2116         dnl *** Check for struct ip_mreqn ***
2117         dnl *********************************
2118         AC_MSG_CHECKING(for struct ip_mreqn)
2119         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2120                 struct ip_mreqn mreq;
2121                 mreq.imr_address.s_addr = 0;
2122         ], [
2123                 # Yes, we have it...
2124                 AC_MSG_RESULT(yes)
2125                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2126         ], [
2127                 # We'll just have to try and use struct ip_mreq
2128                 AC_MSG_RESULT(no)
2129                 AC_MSG_CHECKING(for struct ip_mreq)
2130                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2131                         struct ip_mreq mreq;
2132                         mreq.imr_interface.s_addr = 0;
2133                 ], [
2134                         # Yes, we have it...
2135                         AC_MSG_RESULT(yes)
2136                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2137                 ], [
2138                         # No multicast support
2139                         AC_MSG_RESULT(no)
2140                 ])
2141         ])
2142         AC_CHECK_FUNCS(GetProcessId)
2143         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2144         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2145         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2146         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2147         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2148         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2149         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2150 fi
2151
2152 dnl socklen_t check
2153 AC_MSG_CHECKING(for socklen_t)
2154 AC_TRY_COMPILE([
2155 #include <sys/types.h>
2156 #include <sys/socket.h>
2157 ],[
2158   socklen_t foo;
2159 ],[
2160 ac_cv_c_socklen_t=yes
2161         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2162         AC_MSG_RESULT(yes)
2163 ],[
2164         AC_MSG_RESULT(no)
2165 ])
2166
2167 AC_MSG_CHECKING(for array element initializer support)
2168 AC_TRY_COMPILE([#include <sys/socket.h>], [
2169         const int array[] = {[1] = 2,};
2170 ], [
2171         # Yes, we have it...
2172         AC_MSG_RESULT(yes)
2173         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2174 ], [
2175         # We'll have to use signals
2176         AC_MSG_RESULT(no)
2177 ])
2178
2179 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2180         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2181         AC_TRY_LINK([#include <math.h>],
2182         [ static void *p = &trunc; ],
2183         [
2184                 AC_DEFINE(HAVE_TRUNC)
2185                 AC_MSG_RESULT(yes)
2186                 ac_cv_trunc=yes
2187         ],
2188         AC_MSG_RESULT(no)))
2189
2190 if test "x$ac_cv_truncl" != "xyes"; then
2191    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2192 fi
2193
2194 AC_CHECK_FUNCS(round)
2195 AC_CHECK_FUNCS(rint)
2196 AC_CHECK_FUNCS(execvp)
2197
2198 dnl ****************************
2199 dnl *** Look for /dev/random ***
2200 dnl ****************************
2201
2202 AC_MSG_CHECKING([if usage of random device is requested])
2203 AC_ARG_ENABLE(dev-random,
2204 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2205 try_dev_random=$enableval, try_dev_random=yes)
2206
2207 AC_MSG_RESULT($try_dev_random)
2208
2209 case "{$build}" in
2210     *-openbsd*)
2211     NAME_DEV_RANDOM="/dev/srandom"
2212     ;;
2213
2214 dnl Win32 does not have /dev/random, they have their own method...
2215
2216     *-mingw*|*-*-cygwin*)
2217     ac_cv_have_dev_random=no
2218     ;;
2219
2220 dnl Everywhere else, it's /dev/random
2221
2222     *)
2223     NAME_DEV_RANDOM="/dev/random"
2224     ;;
2225 esac
2226
2227 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2228
2229 dnl Now check if the device actually exists
2230
2231 if test "x$try_dev_random" = "xyes"; then
2232     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2233     [if test -r "$NAME_DEV_RANDOM" ; then
2234         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2235     if test "x$ac_cv_have_dev_random" = "xyes"; then
2236         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2237     fi
2238 else
2239     AC_MSG_CHECKING(for random device)
2240     ac_cv_have_dev_random=no
2241     AC_MSG_RESULT(has been disabled)
2242 fi
2243
2244 if test "x$host_win32" = "xyes"; then
2245     AC_DEFINE(HAVE_CRYPT_RNG)
2246 fi
2247
2248 if test "x$ac_cv_have_dev_random" = "xno" \
2249     && test "x$host_win32" = "xno"; then
2250     AC_MSG_WARN([[
2251 ***
2252 *** A system-provided entropy source was not found on this system.
2253 *** Because of this, the System.Security.Cryptography random number generator
2254 *** will throw a NotImplemented exception.
2255 ***
2256 *** If you are seeing this message, and you know your system DOES have an
2257 *** entropy collection in place, please contact <crichton@gimp.org> and
2258 *** provide information about the system and how to access the random device.
2259 ***
2260 *** Otherwise you can install either egd or prngd and set the environment
2261 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2262 ***]])
2263 fi
2264
2265 AC_MSG_CHECKING([if inter-process shared handles are requested])
2266 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2267 AC_MSG_RESULT($try_shared_handles)
2268 if test "x$try_shared_handles" != "xyes"; then
2269         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2270         AC_SUBST(DISABLE_SHARED_HANDLES)
2271 fi
2272
2273 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2274
2275 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2276 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2277
2278 AC_MSG_CHECKING([if big-arrays are to be enabled])
2279 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2280 if test "x$enable_big_arrays" = "xyes" ; then
2281     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2282         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2283     else
2284         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2285     fi
2286 fi
2287 AC_MSG_RESULT($enable_big_arrays)
2288
2289 dnl **************
2290 dnl *** DTRACE ***
2291 dnl **************
2292
2293 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2294
2295 if test "x$enable_dtrace" = "xyes"; then
2296    if test "x$has_dtrace" = "xno"; then
2297           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2298    fi
2299    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2300    if test "x$DTRACE" = "xno"; then
2301           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2302           enable_dtrace=no
2303    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2304           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2305           enable_dtrace=no
2306    fi
2307 fi
2308
2309 dtrace_g=no
2310 if test "x$enable_dtrace" = "xyes"; then
2311         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2312         DTRACEFLAGS=
2313         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2314                 case "$host" in
2315                         powerpc-*-darwin*)
2316                         DTRACEFLAGS="-arch ppc64"
2317                         ;;
2318                         i*86-*-darwin*)
2319                         DTRACEFLAGS="-arch x86_64"
2320                         ;;
2321                         *)
2322                         DTRACEFLAGS=-64
2323                         ;;
2324                 esac
2325         else
2326                 case "$host" in
2327                         powerpc-*-darwin*)
2328                         DTRACEFLAGS="-arch ppc"
2329                         ;;
2330                         i*86-*-darwin*)
2331                         DTRACEFLAGS="-arch i386"
2332                         ;;
2333                         *)
2334                         DTRACEFLAGS=-32
2335                         ;;
2336                 esac
2337         fi
2338         AC_SUBST(DTRACEFLAGS)
2339         case "$host" in
2340                 *-*-solaris*)
2341                 dtrace_g=yes
2342                 ;;
2343         esac
2344         AC_CHECK_HEADERS([sys/sdt.h])
2345 fi
2346 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2347 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2348
2349 dnl **************
2350 dnl ***  NaCl  ***
2351 dnl **************
2352
2353 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2354 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2355
2356 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2357
2358 dnl
2359 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2360 dnl
2361 nacl_self_host=""
2362 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2363    nacl_self_host="nacl_self_host"
2364 fi
2365 AC_SUBST(nacl_self_host)
2366
2367 if test "x$enable_nacl_codegen" = "xyes"; then
2368    MONO_NACL_ALIGN_MASK_OFF=1
2369    AC_DEFINE(TARGET_NACL, 1, [...])
2370    AC_DEFINE(__native_client_codegen__, 1, [...])
2371 else
2372    MONO_NACL_ALIGN_MASK_OFF=0
2373    AC_DEFINE(__default_codegen__, 1, [...])
2374 fi
2375 if test "x$enable_nacl_gc" = "xyes"; then
2376    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2377       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2378    else
2379       # Not yet implemented
2380       INSTRUMENT_CFLAG=""
2381    fi
2382    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2383 fi
2384 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2385
2386 dnl **************
2387 dnl ***  LLVM  ***
2388 dnl **************
2389
2390 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2391 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2392 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2393
2394 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2395
2396 if test "x$enable_llvm" = "xyes"; then
2397    if test "x$with_llvm" != "x"; then
2398           LLVM_CONFIG=$with_llvm/bin/llvm-config
2399           if test ! -x $LLVM_CONFIG; then
2400                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2401       fi
2402    else
2403       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2404       if test "x$LLVM_CONFIG" = "xno"; then
2405              AC_MSG_ERROR([llvm-config not found.])
2406       fi
2407    fi
2408
2409    llvm_codegen="x86codegen"
2410    case "$target" in
2411    arm*)
2412                 llvm_codegen="armcodegen"
2413                 ;;
2414    esac
2415
2416    # The output of --cflags seems to include optimizations flags too
2417    LLVM_CFLAGS=`$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'`
2418    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2419    # from LLVM classes.
2420    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2421    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2422    # This might include empty lines
2423    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2424    if test "x$host" != "x$target"; then
2425       # No need for jit libs
2426       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2427    else
2428       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2429    fi
2430    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2431
2432    expected_llvm_version="3.4svn-mono-mono/e656cac"
2433
2434    # Should be something like '2.6' or '2.7svn'
2435    llvm_version=`$LLVM_CONFIG --version`
2436    major_version=`echo $llvm_version | cut -c 1`
2437    minor_version=`echo $llvm_version | cut -c 3`
2438    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2439    AC_MSG_CHECKING(LLVM version)
2440    AC_MSG_RESULT($llvm_version)
2441    if echo $llvm_version | grep -q 'mono'; then
2442           if test "x$enable_llvm_version_check" == "xyes"; then
2443                  if test "$llvm_version" != "$expected_llvm_version"; then
2444                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2445                  fi
2446           fi
2447           if test "x$llvm_api_version" = "x"; then
2448                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2449                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2450           else
2451                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2452                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2453           fi
2454    else
2455           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.])
2456    fi
2457
2458    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2459    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2460    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2461
2462    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2463    # llvm's config.h
2464    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2465
2466    AC_SUBST(LLVM_CFLAGS)
2467    AC_SUBST(LLVM_CXXFLAGS)
2468    AC_SUBST(LLVM_LIBS)
2469    AC_SUBST(LLVM_LDFLAGS)
2470    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2471 fi
2472
2473 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2474 if test "x$enable_loadedllvm" = "xyes"; then
2475    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2476 fi
2477 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2478
2479 TARGET="unknown"
2480 ACCESS_UNALIGNED="yes"
2481
2482 JIT_SUPPORTED=no
2483 INTERP_SUPPORTED=no
2484 LIBC="libc.so.6"
2485 INTL="libc.so.6"
2486 SQLITE="libsqlite.so.0"
2487 SQLITE3="libsqlite3.so.0"
2488 X11="libX11.so"
2489 GDKX11="libgdk-x11-2.0.so.0"
2490 GTKX11="libgtk-x11-2.0.so.0"
2491 XINERAMA="libXinerama.so"
2492
2493 sizeof_register="SIZEOF_VOID_P"
2494
2495 jit_wanted=true
2496 interp_wanted=false
2497 sgen_supported=false
2498 boehm_supported=true
2499 case "$host" in
2500         mips*)
2501                 TARGET=MIPS;
2502                 arch_target=mips;
2503                 sgen_supported=true
2504                 ACCESS_UNALIGNED="no"
2505                 JIT_SUPPORTED=yes
2506
2507                 AC_MSG_CHECKING(for mips n32)
2508                 AC_TRY_COMPILE([],[
2509                 #if _MIPS_SIM != _ABIN32
2510                 #error Not mips n32
2511                 #endif
2512                 return 0;
2513                 ],[
2514                 AC_MSG_RESULT(yes)
2515                 sizeof_register=8
2516                 ],[
2517                 AC_MSG_RESULT(no)
2518                 ])
2519                 ;;
2520         i*86-*-*)
2521                 TARGET=X86;
2522                 arch_target=x86;
2523                 JIT_SUPPORTED=yes
2524                 case $host_os in
2525                   solaris*)
2526                         LIBC="libc.so"
2527                         INTL="libintl.so"
2528                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2529                                 TARGET=AMD64
2530                                 arch_target=amd64
2531                         fi
2532
2533                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2534                         # int astruct __attribute__ ((visibility ("hidden")));
2535                         # void foo ()
2536                         # {
2537                         #       void *p = &astruct;
2538                         # }
2539                         # gcc -fPIC --shared -o libfoo.so foo.c
2540                         # yields:
2541                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2542                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2543                         have_visibility_hidden=no
2544                         sgen_supported=true
2545                         ;;
2546                   mingw*|cygwin*)
2547                         sgen_supported=true
2548                         have_visibility_hidden=no
2549                         ;;
2550                   haiku*)
2551                         LIBC=libroot.so
2552                         ;;
2553                   linux*)
2554                         sgen_supported=true
2555                         AOT_SUPPORTED="yes"
2556                         ;;
2557                   darwin*)
2558                         sgen_supported=true
2559                         AOT_SUPPORTED="yes"
2560                         ;;
2561                   openbsd*|freebsd*)
2562                         sgen_supported=true
2563                         ;;
2564                 esac
2565                 ;;
2566         x86_64-*-* | amd64-*-*)
2567                 TARGET=AMD64;
2568                 arch_target=amd64;
2569                 JIT_SUPPORTED=yes
2570                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2571                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2572                         sizeof_register=8
2573                 fi
2574                 case $host_os in
2575                   linux*)
2576                         sgen_supported=true
2577                         AOT_SUPPORTED="yes"
2578                         ;;
2579                   darwin*)
2580                         sgen_supported=true
2581                         AOT_SUPPORTED="yes"
2582                         ;;
2583                   openbsd*|freebsd*)
2584                         sgen_supported=true
2585                         ;;
2586                   mingw*)
2587                         sgen_supported=true
2588                         ;;
2589                 esac
2590                 case "$host" in
2591                         x86_64-*-nacl*)
2592                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2593                                 sizeof_register=8
2594                                 ;;
2595                 esac
2596                 ;;
2597         ia64-*-*)
2598                 TARGET=IA64
2599                 arch_target=ia64
2600                 ACCESS_UNALIGNED="no"
2601                 JIT_SUPPORTED=yes
2602                 LIBC="libc.so.6.1"
2603                 INTL="libc.so.6.1"
2604                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2605                 libmono_ldflags="-lunwind"
2606                 ;;
2607         sparc*-*-*)
2608                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2609                    TARGET=SPARC64
2610                 else
2611                         TARGET=SPARC
2612                 fi
2613                 arch_target=sparc;
2614                 JIT_SUPPORTED=yes
2615                 ACCESS_UNALIGNED="no"
2616                 case $host_os in
2617                   linux*) ;;
2618                   *)
2619                         LIBC="libc.so"
2620                         INTL="libintl.so"
2621                 esac
2622                 if test x"$GCC" = xyes; then
2623                         # We don't support v8 cpus
2624                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2625                 fi
2626                 if test x"$AR" = xfalse; then
2627                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2628                 fi
2629                 sgen_supported=true
2630                 ;;
2631         *-mingw*|*-*-cygwin*)
2632                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2633                 have_visibility_hidden=no
2634                 INTL="intl"
2635                 ;;
2636         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2637         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2638                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2639                         TARGET=POWERPC64;
2640                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2641                         CFLAGS="$CFLAGS -mminimal-toc"
2642                 else
2643                         TARGET=POWERPC;
2644                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2645                 fi
2646                 arch_target=ppc;
2647                 JIT_SUPPORTED=yes
2648                 case $host_os in
2649                   linux*|darwin*)
2650                         sgen_supported=true
2651                         ;;
2652                 esac
2653                 ;;
2654         arm*-darwin*)
2655                 TARGET=ARM;
2656                 arch_target=arm;
2657                 ACCESS_UNALIGNED="no"
2658                 JIT_SUPPORTED=yes
2659                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2660                 # libgc's gc_locks.h depends on this
2661             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2662                 sgen_supported=true
2663                 ;;
2664         arm*-linux*)
2665                 TARGET=ARM;
2666                 arch_target=arm;
2667                 ACCESS_UNALIGNED="no"
2668                 JIT_SUPPORTED=yes
2669                 sgen_supported=true
2670                 AOT_SUPPORTED="yes"
2671                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2672                 ;;
2673 # TODO: make proper support for NaCl host.
2674 #        arm*-*nacl)
2675 #               TARGET=ARM;
2676 #               arch_target=arm;
2677 #               ACCESS_UNALIGNED="no"
2678 #               JIT_SUPPORTED=yes
2679 #               sgen_supported=true
2680 #               AOT_SUPPORTED="no"
2681 #               ;;
2682         aarch64-*)
2683                 # https://lkml.org/lkml/2012/7/15/133
2684                 TARGET=ARM64
2685                 arch_target=arm64
2686                 JIT_SUPPORTED=yes
2687                 sgen_supported=true
2688                 boehm_supported=false
2689                 ;;
2690         s390x-*-linux*)
2691                 TARGET=S390X;
2692                 arch_target=s390x;
2693                 ACCESS_UNALIGNED="yes"
2694                 JIT_SUPPORTED=yes
2695                 sgen_supported=true
2696                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2697                 ;;
2698 esac
2699
2700 HOST=$TARGET
2701
2702 if test "x$host" != "x$target"; then
2703    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2704    enable_mcs_build=no
2705    case "$target" in
2706    arm*-darwin*)
2707                 TARGET=ARM;
2708                 arch_target=arm;
2709                 ACCESS_UNALIGNED="no"
2710                 JIT_SUPPORTED=yes
2711                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2712                 jit_wanted=true
2713                 # Can't use tls, since it depends on the runtime detection of tls offsets
2714                 # in mono-compiler.h
2715                 with_tls=pthread
2716                 ;;
2717    powerpc64-ps3-linux-gnu)
2718                 TARGET=POWERPC64
2719                 arch_target=powerpc64
2720                 AC_DEFINE(TARGET_PS3, 1, [...])
2721                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2722                 # uses this define
2723                 AC_DEFINE(__mono_ppc64__, 1, [...])
2724                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2725                 sizeof_register=8
2726                 target_byte_order=G_BIG_ENDIAN
2727                 ;;
2728
2729    powerpc64-xbox360-linux-gnu)
2730                 TARGET=POWERPC64
2731                 arch_target=powerpc64
2732                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2733                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2734                 # uses this define
2735                 sizeof_register=8
2736                 target_byte_order=G_BIG_ENDIAN
2737                 ;;
2738    x86_64-*-nacl)
2739                 TARGET=AMD64
2740                 arch_target=amd64
2741                 AC_DEFINE(TARGET_AMD64, 1, [...])
2742                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2743                 sizeof_register=8
2744                 ;;
2745 # TODO: make proper support for NaCl target.
2746 #   arm*-*nacl)
2747 #               TARGET=ARM
2748 #               arch_target=arm
2749 #               AC_DEFINE(TARGET_ARM, 1, [...])
2750 #               ACCESS_UNALIGNED="no"
2751 #               JIT_SUPPORTED=yes
2752 #               sizeof_register=4
2753 #               CPPFLAGS="$CPPFLAGS \
2754 #                    -D__ARM_EABI__ \
2755 #                    -D__arm__ \
2756 #                    -D__portable_native_client__ \
2757 #                    -Dtimezone=_timezone \
2758 #                    -DDISABLE_SOCKETS \
2759 #                    -DDISABLE_ATTACH \
2760 #                    -DUSE_NEWLIB"
2761 #               jit_wanted=true
2762                 # Can't use tls, since it depends on the runtime detection of tls offsets
2763                 # in mono-compiler.h
2764 #               with_tls=pthread
2765 #               ;;
2766    i686-*-nacl)
2767                 TARGET=X86
2768                 arch_target=x86
2769                 AC_DEFINE(TARGET_X86, 1, [...])
2770                 sizeof_register=4
2771                 ;;
2772    arm*-linux-*)
2773                 TARGET=ARM;
2774                 arch_target=arm;
2775                 AC_DEFINE(TARGET_ARM, 1, [...])
2776                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2777                 ACCESS_UNALIGNED="no"
2778                 JIT_SUPPORTED=yes
2779                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2780                 jit_wanted=true
2781                 # Can't use tls, since it depends on the runtime detection of tls offsets
2782                 # in mono-compiler.h
2783                 with_tls=pthread
2784                 target_mach=no
2785                 case "$target" in
2786                 armv7l-unknown-linux-gnueabi*)
2787                         # TEGRA
2788                         CPPFLAGS="$CPPFLAGS"
2789                         ;;
2790                 armv5-*-linux-androideabi*)
2791                         CPPFLAGS="$CPPFLAGS"
2792                         ;;
2793                 esac
2794                 ;;
2795         aarch64-*)
2796                 TARGET=ARM64
2797                 JIT_SUPPORTED=yes
2798                 jit_wanted=true
2799                 ;;
2800         *)
2801                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2802         esac
2803 fi
2804
2805 case "$TARGET" in
2806 X86)
2807         AC_DEFINE(TARGET_X86, 1, [...])
2808         ;;
2809 AMD64)
2810         AC_DEFINE(TARGET_AMD64, 1, [...])
2811         ;;
2812 ARM)
2813         AC_DEFINE(TARGET_ARM, 1, [...])
2814         ;;
2815 ARM64)
2816         AC_DEFINE(TARGET_ARM64, 1, [...])
2817         ;;
2818 POWERPC)
2819         AC_DEFINE(TARGET_POWERPC, 1, [...])
2820         ;;
2821 POWERPC64)
2822         AC_DEFINE(TARGET_POWERPC, 1, [...])
2823         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2824         ;;
2825 S390X)
2826         AC_DEFINE(TARGET_S390X, 1, [...])
2827         ;;
2828 MIPS)
2829         AC_DEFINE(TARGET_MIPS, 1, [...])
2830         ;;
2831 IA64)
2832         AC_DEFINE(TARGET_IA64, 1, [...])
2833         ;;
2834 SPARC)
2835         AC_DEFINE(TARGET_SPARC, 1, [...])
2836         ;;
2837 SPARC64)
2838         AC_DEFINE(TARGET_SPARC64, 1, [...])
2839         ;;
2840 esac
2841
2842 dnl Use GCC atomic ops if they work on the target.
2843 if test x$GCC = "xyes"; then
2844         case $TARGET in
2845         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2846                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2847                 ;;
2848         esac
2849 fi
2850
2851 if test "x$target_mach" = "xyes"; then
2852    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2853           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2854           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2855           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2856    else
2857        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2858        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2859        #error fail this for ios
2860        #endif
2861        return 0;
2862        ], [
2863                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2864           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2865           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2866        ], [
2867           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2868           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2869           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2870        ])
2871         fi
2872    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2873 fi
2874
2875 if test "x$sizeof_register" = "x4"; then
2876    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2877 elif test "x$sizeof_register" = "x8"; then
2878    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2879 else
2880    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2881 fi
2882
2883 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2884    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2885 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2886    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2887 else
2888    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2889 fi
2890
2891 if test "x$have_visibility_hidden" = "xyes"; then
2892    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2893 fi
2894
2895 if test "x$have_deprecated" = "xyes"; then
2896    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2897 fi
2898
2899 dnl
2900 dnl Simple Generational checks (sgen)
2901 dnl
2902 if $sgen_supported; then
2903    build_sgen_default=yes
2904 else
2905    build_sgen_default=no
2906 fi
2907 SGEN_DEFINES=
2908 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2909 if test x$buildsgen = xyes; then
2910    if $sgen_supported; then
2911        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2912        gc_msg="sgen and $gc_msg"
2913    else
2914        buildsgen=no
2915        AC_MSG_WARN("Sgen is not supported on this platform")
2916    fi
2917 fi
2918 AC_SUBST(SGEN_DEFINES)
2919 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2920
2921 USEJIT=false
2922 if test x$JIT_SUPPORTED = xyes; then
2923    if $jit_wanted; then
2924       USEJIT=true
2925       jit_status="Building and using the JIT"
2926    else
2927       if $interp_wanted; then
2928          jit_status="Building the JIT, defaulting to the interpreter"
2929       else
2930          AC_ERROR(No JIT or interpreter support available or selected.)
2931       fi
2932    fi
2933 else
2934    if test x$interp_wanted = xtrue; then
2935       jit_status="interpreter"
2936    else
2937       AC_ERROR(No JIT or interpreter support available or selected.)
2938    fi
2939 fi
2940
2941 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2942
2943 libsuffix=".so"
2944
2945 case "$host" in
2946      *-*-darwin*)
2947         libsuffix=".dylib"
2948         LIBC="libc.dylib"
2949         INTL="libintl.dylib"
2950         SQLITE="libsqlite.0.dylib"
2951         SQLITE3="libsqlite3.0.dylib"
2952         X11="libX11.dylib"
2953         GDKX11="libgdk-x11-2.0.dylib"
2954         GTKX11="libgtk-x11-2.0.dylib"
2955         ;;
2956      *-*-*netbsd*)
2957         LIBC="libc.so.12"
2958         INTL="libintl.so.0"
2959         ;;
2960     *-*-*freebsd*)
2961         LIBC="libc.so"
2962         INTL="libintl.so"
2963         SQLITE="libsqlite.so"
2964         SQLITE3="libsqlite3.so"
2965         ;;
2966     *-*-*openbsd*)
2967         LIBC="libc.so"
2968         INTL="libintl.so"
2969         SQLITE="libsqlite.so"
2970         SQLITE3="libsqlite3.so"
2971         ;;
2972     *-*-*linux*)
2973         AC_PATH_X
2974         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2975         AC_MSG_CHECKING(for the soname of libX11.so)
2976         for i in $x_libraries $dlsearch_path; do
2977                 for r in 4 5 6; do
2978                         if test -f $i/libX11.so.$r; then
2979                                 X11=libX11.so.$r
2980                                 AC_MSG_RESULT($X11)
2981                         fi
2982                 done
2983         done
2984
2985         if test "x$X11" = "xlibX11.so"; then
2986                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
2987                 X11=libX11.so.6
2988         fi
2989         AC_MSG_CHECKING(for the soname of libXinerama.so)
2990         for i in $x_libraries $dlsearch_path; do
2991                 for r in 1 2 3; do
2992                         if test -f $i/libXinerama.so.$r; then
2993                                 XINERAMA=libXinerama.so.$r
2994                                 AC_MSG_RESULT($XINERAMA)
2995                         fi
2996                 done
2997         done
2998         if test "x$XINERAMA" = "xlibXinerama.so"; then
2999                 AC_MSG_WARN([Could not find Xinerama development libs. Support for multiple monitors might not work...]);
3000         fi
3001         ;;
3002 esac
3003
3004
3005 AC_SUBST(libsuffix)
3006
3007 AC_ARG_WITH([libgdiplus],
3008         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3009         [], [with_libgdiplus=installed])
3010
3011 # default install location
3012 libgdiplus_install_loc=libgdiplus${libsuffix}
3013 case $with_libgdiplus in
3014     no|installed)
3015     libgdiplus_loc=
3016     ;;
3017
3018     yes|sibling)
3019     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3020     ;;
3021
3022     /*) # absolute path, assume it is an install location
3023     libgdiplus_loc=$with_libgdiplus
3024     libgdiplus_install_loc=$with_libgdiplus
3025     ;;
3026
3027     *)
3028     libgdiplus_loc=`pwd`/$with_libgdiplus
3029     ;;
3030 esac
3031 AC_SUBST([libgdiplus_loc])
3032 AC_SUBST([libgdiplus_install_loc])
3033
3034 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3035 if test "x$icall_symbol_map" = "xyes"; then
3036    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3037 fi
3038
3039 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3040 if test "x$icall_export" = "xyes"; then
3041    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3042 fi
3043
3044 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3045 if test "x$icall_tables" = "xno"; then
3046    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3047 fi
3048
3049 if test "x$with_tls" = "x__thread"; then
3050         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3051         # Pass the information to libgc
3052         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3053         AC_MSG_CHECKING(if the tls_model attribute is supported)
3054         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3055                 ], [
3056                         AC_MSG_RESULT(yes)
3057                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3058                 ], [
3059                         AC_MSG_RESULT(no)
3060         ])
3061 fi
3062
3063 if test ${TARGET} = ARM; then
3064         dnl ******************************************
3065         dnl *** Check to see what FPU is available ***
3066         dnl ******************************************
3067         AC_MSG_CHECKING(which FPU to use)
3068
3069         #
3070         # This is a bit tricky:
3071         #
3072         # if (__ARM_PCS_VFP) {
3073         #       /* mfloat-abi=hard == VFP with hard ABI */
3074         # } elif (!__SOFTFP__) {
3075         #       /* mfloat-abi=softfp == VFP with soft ABI */
3076         # } else {
3077         #       /* mfloat-abi=soft == no VFP */
3078         # }
3079         #
3080         # The exception is iOS (w/ GCC) where none of the above
3081         # are defined (but iOS always uses the 'softfp' ABI).
3082         #
3083         # No support for FPA.
3084         #
3085
3086         fpu=NONE
3087
3088         # iOS GCC always uses the 'softfp' ABI.
3089         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3090                 fpu=VFP
3091         fi
3092
3093         # Are we using the 'hard' ABI?
3094         if test x$fpu = xNONE; then
3095                 AC_TRY_COMPILE([], [
3096                         #ifndef __ARM_PCS_VFP
3097                         #error "Float ABI is not 'hard'"
3098                         #endif
3099                         return 0;
3100                 ], [
3101                         fpu=VFP_HARD
3102                 ], [
3103                         fpu=NONE
3104                 ])
3105         fi
3106
3107         # No 'hard' ABI. 'soft' or 'softfp'?
3108         if test x$fpu = xNONE; then
3109                 AC_TRY_COMPILE([], [
3110                         #ifdef __SOFTFP__
3111                         #error "Float ABI is not 'softfp'"
3112                         #endif
3113                         return 0;
3114                 ], [
3115                         fpu=VFP
3116                 ], [
3117                         fpu=NONE
3118                 ])
3119         fi
3120
3121         AC_MSG_RESULT($fpu)
3122         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3123         unset fpu
3124
3125         dnl *********************************************
3126         dnl *** Check which ARM version(s) we can use ***
3127         dnl *********************************************
3128         AC_MSG_CHECKING(which ARM version to use)
3129
3130         AC_TRY_COMPILE([], [
3131                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3132                 #error Not on ARM v5.
3133                 #endif
3134                 return 0;
3135         ], [
3136                 arm_v5=yes
3137
3138                 arm_ver=ARMv5
3139         ], [])
3140
3141         AC_TRY_COMPILE([], [
3142                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3143                 #error Not on ARM v6.
3144                 #endif
3145                 return 0;
3146         ], [
3147                 arm_v5=yes
3148                 arm_v6=yes
3149
3150                 arm_ver=ARMv6
3151         ], [])
3152
3153         AC_TRY_COMPILE([], [
3154                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3155                 #error Not on ARM v7.
3156                 #endif
3157                 return 0;
3158         ], [
3159                 arm_v5=yes
3160                 arm_v6=yes
3161                 arm_v7=yes
3162
3163                 arm_ver=ARMv7
3164         ], [])
3165
3166         AC_MSG_RESULT($arm_ver)
3167
3168         if test x$arm_v5 = xyes; then
3169                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3170                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3171         fi
3172
3173         if test x$arm_v6 = xyes; then
3174                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3175                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3176         fi
3177
3178         if test x$arm_v7 = xyes; then
3179                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3180                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3181         fi
3182 fi
3183
3184 if test ${TARGET} = ARM; then
3185         if test "x${with_jumptables}" = "xyes"; then
3186                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3187         fi
3188 fi
3189
3190 if test ${TARGET} = unknown; then
3191         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3192         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3193 fi
3194
3195 if test ${ACCESS_UNALIGNED} = no; then
3196         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3197 fi
3198
3199 case "x$gc" in
3200         xincluded)
3201                 # Pass CPPFLAGS to libgc configure
3202                 # We should use a separate variable for this to avoid passing useless and
3203                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3204                 # This should be executed late so we pick up the final version of CPPFLAGS
3205                 # The problem with this approach, is that during a reconfigure, the main
3206                 # configure scripts gets invoked with these arguments, so we use separate
3207                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3208                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3209                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3210                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3211                 fi
3212                 # Don't pass -finstrument-for-thread-suspension in,
3213                 # if these are instrumented it will be very bad news
3214                 # (infinite recursion, undefined parking behavior, etc)
3215                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3216                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3217                 if test "x$support_boehm" = "xyes"; then
3218                         AC_CONFIG_SUBDIRS(libgc)
3219                 fi
3220                 ;;
3221 esac
3222
3223 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3224 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3225 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])
3226 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3227 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3228 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3229
3230 OPROFILE=no
3231 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3232         if test x$with_oprofile != xno; then
3233             oprofile_include=$with_oprofile/include
3234             if test ! -f $oprofile_include/opagent.h; then
3235                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3236                 fi
3237             OPROFILE=yes
3238                 OPROFILE_CFLAGS="-I$oprofile_include"
3239             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3240             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3241         fi
3242 ])
3243
3244 MALLOC_MEMPOOLS=no
3245 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3246         if test x$with_malloc_mempools = xyes; then
3247                 MALLOC_MEMPOOLS=yes
3248                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3249         fi
3250 ])
3251
3252
3253 DISABLE_MCS_DOCS=no
3254 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3255         if test x$with_mcs_docs != xyes; then
3256                 DISABLE_MCS_DOCS=yes
3257         fi
3258 ])
3259 if test x$with_profile4 != xyes; then
3260         DISABLE_MCS_DOCS=yes
3261 fi
3262
3263 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)],[
3264         if test x$with_lazy_gc_thread_creation != xno ; then
3265                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3266         fi
3267 ], [with_lazy_gc_thread_creation=no])
3268
3269 AC_CHECK_HEADER([malloc.h],
3270                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3271                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3272
3273 if test x"$GCC" = xyes; then
3274         # Implicit function declarations are not 64 bit safe
3275         # Do this late, since this causes lots of configure tests to fail
3276         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3277         # jay has a lot of implicit declarations
3278         JAY_CFLAGS="-Wno-implicit-function-declaration"
3279 fi
3280
3281 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3282 # instead of libmono-static.a
3283 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3284    LIBMONO_LA=libmini-static.la
3285 else
3286    if test x$buildsgen = xyes; then
3287       LIBMONO_LA=libmonosgen-$API_VER.la
3288    else
3289       LIBMONO_LA=libmonoboehm-$API_VER.la
3290    fi
3291 fi
3292 AC_SUBST(LIBMONO_LA)
3293
3294 dnl
3295 dnl Consistency settings
3296 dnl
3297 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3298    DISABLE_MCS_DOCS=yes
3299    with_profile2=no
3300    with_profile4=no
3301    with_profile4_5=no
3302    with_monodroid=no
3303    with_monotouch=no
3304    with_xammac=no
3305 fi
3306
3307 if test x$DISABLE_MCS_DOCS = xyes; then
3308    docs_dir=""
3309 else
3310    docs_dir=docs
3311 fi
3312 AC_SUBST(docs_dir)
3313
3314 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3315 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3316
3317 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3318 AC_SUBST(OPROFILE_CFLAGS)
3319 AC_SUBST(OPROFILE_LIBS)
3320
3321 libmono_ldflags="$libmono_ldflags $LIBS"
3322
3323 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3324 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3325 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3326 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3327 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3328 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3329 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3330 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3331
3332 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3333 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3334 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3335 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3336 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3337 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3338 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3339 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3340 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3341 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3342 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3343 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3344 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3345 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3346 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3347 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3348 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3349 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3350
3351 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3352 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3353 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3354
3355 AC_SUBST(LIBC)
3356 AC_SUBST(INTL)
3357 AC_SUBST(SQLITE)
3358 AC_SUBST(SQLITE3)
3359 AC_SUBST(X11)
3360 AC_SUBST(GDKX11)
3361 AC_SUBST(GTKX11)
3362 AC_SUBST(XINERAMA)
3363 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3364 AC_SUBST(arch_target)
3365 AC_SUBST(CFLAGS)
3366 AC_SUBST(CPPFLAGS)
3367 AC_SUBST(LDFLAGS)
3368
3369 mono_build_root=`pwd`
3370 AC_SUBST(mono_build_root)
3371
3372 if test x$USEJIT = xtrue; then
3373   mono_runtime=mono/mini/mono
3374 else
3375   mono_runtime=mono/interpreter/mint
3376 fi
3377 AC_SUBST(mono_runtime)
3378
3379 mono_cfg_root=$mono_build_root/runtime
3380 if test x$host_win32 = xyes; then
3381   if test "x$cross_compiling" = "xno"; then
3382     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3383   else
3384     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3385   fi
3386 else
3387   mono_cfg_dir=$mono_cfg_root/etc
3388 fi
3389 AC_SUBST(mono_cfg_dir)
3390
3391 AC_CONFIG_FILES([po/mcs/Makefile.in])
3392
3393 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3394 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3395
3396 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3397 [   depth=../../../..
3398     case $srcdir in
3399     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3400     .) reldir=$depth ;;
3401     *) reldir=$depth/$srcdir ;;
3402     esac
3403     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3404     cd runtime/etc/mono/1.0
3405     rm -f machine.config
3406     $LN_S $reldir/data/net_1_1/machine.config machine.config
3407     cd $depth
3408 ],[LN_S='$LN_S'])
3409
3410 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3411 [   depth=../../../..
3412     case $srcdir in
3413     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3414     .) reldir=$depth ;;
3415     *) reldir=$depth/$srcdir ;;
3416     esac
3417     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3418     cd runtime/etc/mono/2.0
3419     rm -f machine.config
3420     $LN_S $reldir/data/net_2_0/machine.config machine.config
3421     cd $depth
3422 ],[LN_S='$LN_S'])
3423
3424 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3425 [   depth=../../../..
3426     case $srcdir in
3427     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3428     .) reldir=$depth ;;
3429     *) reldir=$depth/$srcdir ;;
3430     esac
3431     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3432     cd runtime/etc/mono/2.0
3433     rm -f web.config
3434     $LN_S $reldir/data/net_2_0/web.config web.config
3435     cd $depth
3436 ],[LN_S='$LN_S'])
3437
3438 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3439 [   depth=../../..
3440     case $srcdir in
3441     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3442     .) reldir=$depth ;;
3443     *) reldir=$depth/$srcdir ;;
3444     esac
3445     $ac_aux_dir/install-sh -d runtime/etc/mono/
3446     cd runtime/etc/mono/
3447     rm -f browscap.ini
3448     $LN_S $reldir/data/browscap.ini browscap.ini
3449     cd $depth
3450 ],[LN_S='$LN_S'])
3451
3452 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3453 [   depth=../../../../..
3454     case $srcdir in
3455     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3456     .) reldir=$depth ;;
3457     *) reldir=$depth/$srcdir ;;
3458     esac
3459     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3460     cd runtime/etc/mono/2.0/Browsers
3461     rm -f Compat.browser
3462     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3463     cd $depth
3464 ],[LN_S='$LN_S'])
3465
3466 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3467 [   depth=../../../../..
3468     case $srcdir in
3469     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3470     .) reldir=$depth ;;
3471     *) reldir=$depth/$srcdir ;;
3472     esac
3473     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3474     cd runtime/etc/mono/4.0/Browsers
3475     rm -f Compat.browser
3476     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3477     cd $depth
3478 ],[LN_S='$LN_S'])
3479
3480 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3481 [   depth=../../../../..
3482     case $srcdir in
3483     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3484     .) reldir=$depth ;;
3485     *) reldir=$depth/$srcdir ;;
3486     esac
3487     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3488     cd runtime/etc/mono/4.5/Browsers
3489     rm -f Compat.browser
3490     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3491     cd $depth
3492 ],[LN_S='$LN_S'])
3493
3494 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3495 [   depth=../../../..
3496     case $srcdir in
3497     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3498     .) reldir=$depth ;;
3499     *) reldir=$depth/$srcdir ;;
3500     esac
3501     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3502     cd runtime/etc/mono/4.0
3503     rm -f machine.config
3504     $LN_S $reldir/data/net_4_0/machine.config machine.config
3505     cd $depth
3506 ],[LN_S='$LN_S'])
3507
3508 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3509 [   depth=../../../..
3510     case $srcdir in
3511     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3512     .) reldir=$depth ;;
3513     *) reldir=$depth/$srcdir ;;
3514     esac
3515     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3516     cd runtime/etc/mono/4.0
3517     rm -f web.config
3518     $LN_S $reldir/data/net_4_0/web.config web.config
3519     cd $depth
3520 ],[LN_S='$LN_S'])
3521
3522 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3523 [   depth=../../../..
3524     case $srcdir in
3525     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3526     .) reldir=$depth ;;
3527     *) reldir=$depth/$srcdir ;;
3528     esac
3529     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3530     cd runtime/etc/mono/4.5
3531     rm -f machine.config
3532     $LN_S $reldir/data/net_4_5/machine.config machine.config
3533     cd $depth
3534 ],[LN_S='$LN_S'])
3535
3536 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3537 [   depth=../../../..
3538     case $srcdir in
3539     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3540     .) reldir=$depth ;;
3541     *) reldir=$depth/$srcdir ;;
3542     esac
3543     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3544     cd runtime/etc/mono/4.5
3545     rm -f web.config
3546     $LN_S $reldir/data/net_4_5/web.config web.config
3547     cd $depth
3548 ],[LN_S='$LN_S'])
3549
3550 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])
3551
3552 AC_OUTPUT([
3553 Makefile
3554 mono-core.spec
3555 mono-uninstalled.pc
3556 scripts/mono-find-provides
3557 scripts/mono-find-requires
3558 mono/Makefile
3559 mono/utils/Makefile
3560 mono/metadata/Makefile
3561 mono/dis/Makefile
3562 mono/cil/Makefile
3563 mono/arch/Makefile
3564 mono/arch/x86/Makefile
3565 mono/arch/amd64/Makefile
3566 mono/arch/ppc/Makefile
3567 mono/arch/sparc/Makefile
3568 mono/arch/s390x/Makefile
3569 mono/arch/arm/Makefile
3570 mono/arch/arm64/Makefile
3571 mono/arch/ia64/Makefile
3572 mono/arch/mips/Makefile
3573 mono/interpreter/Makefile
3574 mono/tests/Makefile
3575 mono/tests/tests-config
3576 mono/tests/assemblyresolve/Makefile
3577 mono/tests/cas/Makefile
3578 mono/tests/cas/assembly/Makefile
3579 mono/tests/cas/demand/Makefile
3580 mono/tests/cas/inheritance/Makefile
3581 mono/tests/cas/linkdemand/Makefile
3582 mono/tests/cas/threads/Makefile
3583 mono/tests/gc-descriptors/Makefile
3584 mono/unit-tests/Makefile
3585 mono/benchmark/Makefile
3586 mono/monograph/Makefile
3587 mono/io-layer/Makefile
3588 mono/mini/Makefile
3589 mono/profiler/Makefile
3590 m4/Makefile
3591 ikvm-native/Makefile
3592 scripts/Makefile
3593 man/Makefile
3594 docs/Makefile
3595 data/Makefile
3596 data/net_2_0/Makefile
3597 data/net_4_0/Makefile
3598 data/net_4_5/Makefile
3599 data/net_2_0/Browsers/Makefile
3600 data/net_4_0/Browsers/Makefile
3601 data/net_4_5/Browsers/Makefile
3602 data/mint.pc
3603 data/mono-2.pc
3604 data/monosgen-2.pc
3605 data/mono.pc
3606 data/mono-cairo.pc
3607 data/mono-nunit.pc
3608 data/mono-options.pc
3609 data/mono-lineeditor.pc
3610 data/monodoc.pc
3611 data/dotnet.pc
3612 data/dotnet35.pc
3613 data/wcf.pc
3614 data/cecil.pc
3615 data/system.web.extensions_1.0.pc
3616 data/system.web.extensions.design_1.0.pc
3617 data/system.web.mvc.pc
3618 data/system.web.mvc2.pc
3619 data/system.web.mvc3.pc
3620 data/aspnetwebstack.pc
3621 data/reactive.pc
3622 samples/Makefile
3623 support/Makefile
3624 data/config
3625 tools/Makefile
3626 tools/locale-builder/Makefile
3627 tools/sgen/Makefile
3628 runtime/Makefile
3629 msvc/Makefile
3630 po/Makefile
3631 ])
3632
3633 # Update all submodules recursively to ensure everything is checked out
3634 $srcdir/scripts/update_submodules
3635
3636 if test x$host_win32 = xyes; then
3637    # Get rid of 'cyg' prefixes in library names
3638    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3639    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3640    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3641    # executable doesn't work...
3642    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3643 fi
3644
3645 if test x$platform_darwin = xyes; then
3646    # This doesn't seem to be required and it slows down parallel builds
3647    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3648 fi
3649
3650 (
3651   case $prefix in
3652   NONE) prefix=$ac_default_prefix ;;
3653   esac
3654   case $exec_prefix in
3655   NONE) exec_prefix='${prefix}' ;;
3656   esac
3657
3658   #
3659   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3660   # any existing config.make.  This allows people to share the same source tree
3661   # with different build directories, one native and one cross
3662   #
3663   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3664
3665     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3666
3667     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3668     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3669     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3670     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3671     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3672     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3673     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3674     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3675
3676     case $INSTALL in
3677     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3678     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3679     esac
3680
3681     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3682
3683     export VERSION
3684     [myver=$($AWK 'BEGIN {
3685       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3686       if(length(vsplit [1]) > 4) {
3687         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3688       }
3689       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3690     }')]
3691
3692     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3693
3694     if test x$platform_darwin = xyes; then
3695       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3696     fi
3697
3698         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3699            enable_system_aot=yes
3700         fi
3701
3702     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3703       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3704     fi
3705
3706     if test x$DISABLE_MCS_DOCS = xyes; then
3707       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3708     fi
3709
3710     if test x$has_extension_module != xno; then
3711         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3712     fi
3713
3714         default_profile=net_2_0
3715     if test -z "$INSTALL_4_0_TRUE"; then :
3716                 default_profile=net_4_0
3717     fi
3718     if test -z "$INSTALL_MONODROID_TRUE"; then :
3719                 default_profile=monodroid
3720     fi
3721     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3722                 default_profile=monotouch
3723     fi
3724         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3725                 default_profile=xammac
3726         fi
3727     if test -z "$INSTALL_4_5_TRUE"; then :
3728                 default_profile=net_4_5
3729     fi
3730
3731     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3732
3733     if test "x$test_bcl_opt" = "xyes"; then
3734       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3735     fi
3736
3737   fi
3738
3739   # if we have an olive folder, override the default settings
3740   if test -d $olivedir; then
3741
3742     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3743
3744       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3745
3746       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3747       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3748       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3749       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3750       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3751       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3752     fi
3753   fi
3754
3755 )
3756
3757 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3758
3759 echo "
3760         mcs source:    $mcsdir
3761
3762    Engine:
3763         GC:            $gc_msg
3764         TLS:           $with_tls
3765         SIGALTSTACK:   $with_sigaltstack
3766         Engine:        $jit_status
3767         oprofile:      $OPROFILE
3768         BigArrays:     $enable_big_arrays
3769         DTrace:        $enable_dtrace
3770         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3771
3772    Libraries:
3773         .NET 2.0/3.5:  $with_profile2
3774         .NET 4.0:      $with_profile4
3775         .NET 4.5:      $with_profile4_5
3776         MonoDroid:     $with_monodroid
3777         MonoTouch:     $with_monotouch
3778         Xamarin.Mac:   $with_xammac
3779         JNI support:   $jdk_headers_found
3780         libgdiplus:    $libgdiplus_msg
3781         zlib:          $zlib_msg
3782         $disabled
3783 "
3784 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3785    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3786 fi