configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.10.1],
   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 #
  40 # libgc defaults
  41 #
  42 libgc_configure_args=
  43
  44 if test -d $srcdir/libgc ; then
  45   libgc_default=included
  46 else
  47   libgc_default=boehm
  48 fi
  49
  50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  53 CFLAGS_FOR_LIBGC=$CFLAGS
  54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  55 CFLAGS_FOR_EGLIB=$CFLAGS
  56
  57 # libgc uses some deprecated APIs
  58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  59
  60 #
  61 # These are the flags that need to be stored in the mono.pc file for
  62 # compiling code that will embed Mono
  63 #
  64 libmono_cflags=""
  65 libmono_ldflags=""
  66 AC_SUBST(libmono_cflags)
  67 AC_SUBST(libmono_ldflags)
  68
  69 # Variable to have relocatable .pc files (lib, or lib64)
  70 reloc_libdir=`basename ${libdir}`
  71 AC_SUBST(reloc_libdir)
  72
  73 dnl if linker handles the version script
  74 no_version_script=no
  75
  76 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  77 need_link_unlink=no
  78
  79 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  80 extra_runtime_ldflags=""
  81
  82 # Thread configuration inspired by sleepycat's db
  83 AC_MSG_CHECKING([host platform characteristics])
  84 libgc_threads=no
  85 has_dtrace=no
  86 parallel_mark=yes
  87 ikvm_native=yes
  88
  89 case "$host" in
  90         powerpc*-*-linux*)
  91                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  92                 disable_munmap=yes
  93         ;;
  94 esac
  95
  96 host_win32=no
  97 target_win32=no
  98 platform_android=no
  99 platform_darwin=no
 100 case "$host" in
 101         *-mingw*|*-*-cygwin*)
 102                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 103                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 104                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 105                 host_win32=yes
 106                 mono_cv_clang=no
 107                 if test "x$cross_compiling" = "xno"; then
 108                         target_win32=yes
 109                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 110                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 111                         fi
 112                 else
 113                         target_win32=yes
 114                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 115                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 116                 fi
 117                 HOST_CC="gcc"
 118                 # Windows XP SP2 is required
 119                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 120                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 121                 libmono_cflags="-mms-bitfields -mwindows"
 122                 libmono_ldflags="-mms-bitfields -mwindows"
 123                 libdl=
 124                 libgc_threads=win32
 125                 libgc_default=included
 126                 with_sigaltstack=no
 127                 with_tls=pthread
 128                 LN_S=cp
 129                 # This forces libgc to use the DllMain based thread registration code on win32
 130                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 131                 ;;
 132         *-*-*netbsd*)
 133                 host_win32=no
 134                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 135                 libmono_cflags="-D_REENTRANT"
 136                 LDFLAGS="$LDFLAGS -pthread"
 137                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 138                 libmono_ldflags="-pthread"
 139                 need_link_unlink=yes
 140                 libdl="-ldl"
 141                 libgc_threads=pthreads
 142                 with_sigaltstack=no
 143                 use_sigposix=yes
 144                 ;;
 145         *-*-kfreebsd*-gnu)
 146                 host_win32=no
 147                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 148                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 149                 libmono_ldflags="-lpthread -pthread"
 150                 libdl="-ldl"
 151                 libgc_threads=pthreads
 152                 need_link_unlink=yes
 153                 with_sigaltstack=no
 154                 use_sigposix=yes
 155                 ;;
 156         *-*-*freebsd*)
 157                 host_win32=no
 158                 if test "x$PTHREAD_CFLAGS" = "x"; then
 159                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 160                         libmono_cflags=
 161                 else
 162                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 163                         libmono_cflags="$PTHREAD_CFLAGS"
 164                 fi
 165                 if test "x$PTHREAD_LIBS" = "x"; then
 166                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 167                         libmono_ldflags="-pthread"
 168                 else
 169                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 170                         libmono_ldflags="$PTHREAD_LIBS"
 171                 fi
 172                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 173                 need_link_unlink=yes
 174                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 175                 libdl=
 176                 libgc_threads=pthreads
 177                 use_sigposix=yes
 178                 has_dtrace=yes
 179                 ;;
 180         *-*-*openbsd*)
 181                 host_win32=no
 182                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 183                 if test "x$disable_munmap" != "xyes"; then
 184                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 185                 fi
 186                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 187                 LDFLAGS="$LDFLAGS -pthread"
 188                 need_link_unlink=yes
 189                 AC_DEFINE(PTHREAD_POINTER_ID)
 190                 libdl=
 191                 libgc_default=boehm
 192                 libgc_threads=pthreads
 193                 with_sigaltstack=no
 194                 use_sigposix=yes
 195                 ;;
 196         *-*-linux-android*)
 197                 host_win32=no
 198                 platform_android=yes
 199                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 200                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 201
 202                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 203                 if test "x$disable_munmap" != "xyes"; then
 204                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 205                 fi
 206                 libmono_cflags="-D_REENTRANT"
 207                 libdl="-ldl"
 208                 libgc_threads=pthreads
 209                 use_sigposix=yes
 210
 211                 with_tls=pthread
 212                 with_sigaltstack=no
 213                 with_static_mono=no
 214
 215                 # Android doesn't support boehm, as it's missing <link.h>
 216                 support_boehm=no
 217                 with_gc=sgen
 218
 219                 # isinf(3) requires -lm; see isinf check below
 220                 LDFLAGS="$LDFLAGS -lm"
 221
 222                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 223                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 224                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 225                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 226                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 227
 228                 # The configure check can't detect this
 229                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 230
 231                 # to bypass the underscore linker check, can't work when cross-compiling
 232                 mono_cv_uscore=yes
 233                 mono_cv_clang=no
 234                 ;;
 235         *-*-linux*)
 236                 host_win32=no
 237                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 238                 if test "x$disable_munmap" != "xyes"; then
 239                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 240                 fi
 241                 libmono_cflags="-D_REENTRANT"
 242                 libdl="-ldl"
 243                 libgc_threads=pthreads
 244                 use_sigposix=yes
 245                 if test "x$cross_compiling" != "xno"; then
 246                         # to bypass the underscore linker check, not
 247                         # available during cross-compilation
 248                         mono_cv_uscore=no
 249                 fi
 250                 case "$host" in
 251                 aarch64-*)
 252                         support_boehm=no
 253                         with_gc=sgen
 254                         ;;
 255                 esac
 256                 ;;
 257         *-*-nacl*)
 258                 host_win32=no
 259                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 260                 if test "x$disable_munmap" != "xyes"; then
 261                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 262                 fi
 263                 libmono_cflags="-D_REENTRANT"
 264                 libdl=
 265                 libgc_threads=pthreads
 266                 libgc_default=boehm
 267                 use_sigposix=yes
 268                 ikvm_native=no
 269                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 270                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 271                 ;;
 272         *-*-hpux*)
 273                 host_win32=no
 274                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 275                 # +ESdbgasm only valid on bundled cc on RISC
 276                 # silently ignored for ia64
 277                 if test $GCC != "yes"; then
 278                         CFLAGS="$CFLAGS +ESdbgasm"
 279                         # Arrange for run-time dereferencing of null
 280                         # pointers to produce a SIGSEGV signal.
 281                         LDFLAGS="$LDFLAGS -z"
 282                 fi
 283                 CFLAGS="$CFLAGS +ESdbgasm"
 284                 LDFLAGS="$LDFLAGS -z"
 285                 libmono_cflags="-D_REENTRANT"
 286                 libmono_ldflags="-lpthread"
 287                 libgc_threads=pthreads
 288                 need_link_unlink=yes
 289                 use_sigposix=yes
 290                 ;;
 291         *-*-solaris*)
 292                 host_win32=no
 293                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 294                 need_link_unlink=yes
 295                 libmono_cflags="-D_REENTRANT"
 296                 libgc_threads=pthreads
 297                 # This doesn't seem to work on solaris/x86, but the configure test runs
 298                 with_tls=pthread
 299                 has_dtrace=yes
 300                 use_sigposix=yes
 301                 enable_solaris_tar_check=yes
 302                 ;;
 303         *-*-darwin*)
 304                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 305                 host_win32=no
 306                 platform_darwin=yes
 307                 target_mach=yes
 308                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 309                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 310                 libmono_cflags="-D_THREAD_SAFE"
 311                 need_link_unlink=yes
 312                 AC_DEFINE(PTHREAD_POINTER_ID)
 313                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 314                 no_version_script=yes
 315                 libdl=
 316                 libgc_threads=pthreads
 317                 has_dtrace=yes
 318                 if test "x$cross_compiling" = "xyes"; then
 319                         has_broken_apple_cpp=yes
 320                 fi
 321                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 322                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 323                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 324                 case "$host" in
 325                         dnl Snow Leopard and newer config.guess reports as this
 326                         i*86-*-darwin*)
 327                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 328                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 329                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 330                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 331                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 332                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 333                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 334                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 335                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 336                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 337                                 ;;
 338                         x*64-*-darwin*)
 339                                 ;;
 340                         arm*-darwin*)
 341                                 has_dtrace=no
 342                                 ;;
 343                 esac
 344                 ;;
 345         *-*-haiku*)
 346                 host_win32=no
 347                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 348                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 349                 libdl=
 350                 LIBS="$LIBS -lnetwork"
 351                 need_link_unlink=yes
 352                 AC_DEFINE(PTHREAD_POINTER_ID)
 353                 libgc_threads=pthreads
 354                 use_sigposix=yes
 355                 ;;
 356         *)
 357                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 358                 host_win32=no
 359                 libdl="-ldl"
 360                 ;;
 361 esac
 362 AC_MSG_RESULT(ok)
 363
 364 if test x$need_link_unlink = xyes; then
 365    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 366 fi
 367
 368 AC_SUBST(extra_runtime_ldflags)
 369 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 370 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 371 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 372 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 373 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 374 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 375 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 376
 377 AC_CHECK_TOOL(CC, gcc, gcc)
 378 AC_PROG_CC
 379 AC_CHECK_TOOL(CXX, g++, g++)
 380 AC_PROG_CXX
 381 AM_PROG_AS
 382 AC_PROG_INSTALL
 383 AC_PROG_AWK
 384 AM_PROG_CC_C_O
 385 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 386 : ${CCAS='$(CC)'}
 387 # Set ASFLAGS if not already set.
 388 : ${CCASFLAGS='$(CFLAGS)'}
 389 AC_SUBST(CCAS)
 390 AC_SUBST(CCASFLAGS)
 391
 392 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 393 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 394 if test "x$CXX" = "xg++"; then
 395         if test "x$GXX" != "xyes"; then
 396                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 397                 # are inside automake conditionals
 398                 AC_MSG_ERROR([You need to install g++])
 399         fi
 400 fi
 401
 402 dnl may require a specific autoconf version
 403 dnl AC_PROG_CC_FOR_BUILD
 404 dnl CC_FOR_BUILD not automatically detected
 405 CC_FOR_BUILD=$CC
 406 CFLAGS_FOR_BUILD=$CFLAGS
 407 BUILD_EXEEXT=
 408 if test "x$cross_compiling" = "xyes"; then
 409         CC_FOR_BUILD=cc
 410         CFLAGS_FOR_BUILD=
 411         BUILD_EXEEXT=""
 412 fi
 413 AC_SUBST(CC_FOR_BUILD)
 414 AC_SUBST(CFLAGS_FOR_BUILD)
 415 AC_SUBST(HOST_CC)
 416 AC_SUBST(BUILD_EXEEXT)
 417
 418 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 419 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 420
 421 # Set STDC_HEADERS
 422 AC_HEADER_STDC
 423 AC_LIBTOOL_WIN32_DLL
 424 # This causes monodis to not link correctly
 425 #AC_DISABLE_FAST_INSTALL
 426 AM_PROG_LIBTOOL
 427 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 428 DOLT
 429
 430 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 431 AC_SUBST(export_ldflags)
 432
 433 # Test whenever ld supports -version-script
 434 AC_PROG_LD
 435 AC_PROG_LD_GNU
 436 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 437    no_version_script=yes
 438 fi
 439
 440 AM_ICONV()
 441
 442 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 443
 444 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h libproc.h)
 445 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h)
 446 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 447                   [], [], [#include <stddef.h>
 448                   #include <sys/socket.h>
 449                   #include <linux/socket.h>])
 450
 451 AC_CHECK_HEADERS(sys/user.h, [], [],
 452 [
 453 #ifdef HAVE_SYS_PARAM_H
 454 # include <sys/param.h>
 455 #endif
 456 ])
 457
 458 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 459 if test x$have_zlib = xyes; then
 460    AC_TRY_COMPILE([#include <zlib.h>], [
 461    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 462    return 0;
 463    #else
 464    #error No good zlib found
 465    #endif
 466    ],[
 467         AC_MSG_RESULT(Using system zlib)
 468         zlib_msg="system zlib"
 469         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 470    ],[
 471         AC_MSG_RESULT(Using embedded zlib)
 472         have_zlib=no
 473         zlib_msg="bundled zlib"
 474    ])
 475 fi
 476
 477 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 478 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 479
 480 # for mono/metadata/debug-symfile.c
 481 AC_CHECK_HEADERS(elf.h)
 482
 483 # for support
 484 AC_CHECK_HEADERS(poll.h)
 485 AC_CHECK_HEADERS(sys/poll.h)
 486 AC_CHECK_HEADERS(sys/wait.h)
 487 AC_CHECK_HEADERS(grp.h)
 488 AC_CHECK_HEADERS(syslog.h)
 489
 490 # for mono/dis
 491 AC_CHECK_HEADERS(wchar.h)
 492 AC_CHECK_HEADERS(ieeefp.h)
 493 AC_MSG_CHECKING(for isinf)
 494 AC_TRY_LINK([#include <math.h>], [
 495         int f = isinf (1.0);
 496 ], [
 497         AC_MSG_RESULT(yes)
 498         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 499 ], [
 500         # We'll have to use signals
 501         AC_MSG_RESULT(no)
 502 ])
 503 # mingw
 504 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 505         AC_TRY_LINK([#include <math.h>],
 506         [ _finite(0.0); ],
 507         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 508         AC_MSG_RESULT(no)))
 509
 510 # for Linux statfs support
 511 AC_CHECK_HEADERS(linux/magic.h)
 512
 513 # not 64 bit clean in cross-compile
 514 AC_CHECK_SIZEOF(void *, 4)
 515
 516 AC_CACHE_CHECK([for clang],
 517         mono_cv_clang,[
 518         AC_TRY_COMPILE([], [
 519                 #ifdef __clang__
 520                 #else
 521                 #error "FAILED"
 522                 #endif
 523                 return 0;
 524         ],
 525         [mono_cv_clang=yes],
 526         [mono_cv_clang=no],
 527         [])
 528 ])
 529
 530 WARN=''
 531 if test x"$GCC" = xyes; then
 532         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 533                 # The runtime code does not respect ANSI C strict aliasing rules
 534                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 535
 536                 # We rely on signed overflow to behave
 537                 CFLAGS="$CFLAGS -fwrapv"
 538
 539                 ORIG_CFLAGS=$CFLAGS
 540                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 541                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 542                 AC_TRY_COMPILE([],[
 543                                 return 0;
 544                 ], [
 545                    AC_MSG_RESULT(yes)
 546                 ], [
 547                    AC_MSG_RESULT(no)
 548                    CFLAGS=$ORIG_CFLAGS
 549                 ])
 550
 551                 ORIG_CFLAGS=$CFLAGS
 552                 # Check for the normal version, since gcc ignores unknown -Wno options
 553                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 554                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 555                 AC_TRY_COMPILE([],[
 556                                 return 0;
 557                 ], [
 558                    AC_MSG_RESULT(yes)
 559                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 560                 ], [
 561                    AC_MSG_RESULT(no)
 562                    CFLAGS=$ORIG_CFLAGS
 563                 ])
 564
 565                 if test "x$mono_cv_clang" = "xyes"; then
 566                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 567                    WARN="$WARN -Qunused-arguments"
 568                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 569                 fi
 570 else
 571         # The Sun Forte compiler complains about inline functions that access static variables
 572         # so disable all inlining.
 573         case "$host" in
 574         *-*-solaris*)
 575                 CFLAGS="$CFLAGS -Dinline="
 576                 ;;
 577         esac
 578 fi
 579 CFLAGS="$CFLAGS -g $WARN"
 580 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 581
 582 # Where's the 'mcs' source tree?
 583 if test -d $srcdir/mcs; then
 584   mcsdir=mcs
 585 else
 586   mcsdir=../mcs
 587 fi
 588
 589 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 590         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 591                 mcsdir=$with_mcs_path
 592         fi
 593 )
 594
 595 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 596
 597 #
 598 # A sanity check to catch cases where the package was unpacked
 599 # with an ancient tar program (Solaris)
 600 #
 601 AC_ARG_ENABLE(solaris-tar-check,
 602 [  --disable-solaris-tar-check    disable solaris tar check],
 603    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 604
 605 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 606         AC_MSG_CHECKING(integrity of package)
 607         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 608         then
 609                 AC_MSG_RESULT(ok)
 610         else
 611                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 612                 AC_MSG_ERROR([$errorm])
 613         fi
 614 fi
 615
 616 if test "x$with_mcs_path" != "x"; then
 617 mcs_topdir=$(cd "$mcsdir" && pwd)
 618 mcs_topdir_from_srcdir=$mcs_topdir
 619 else
 620 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 621 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 622 fi
 623
 624 # Convert mcs_topdir* paths to Windows syntax.
 625 if test x$cross_compiling$host_win32 = xnoyes; then
 626   mcs_topdir=$(cygpath -m $mcs_topdir)
 627   case $mcs_topdir_from_srcdir in
 628     /cygdrive/*)
 629         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 630         ;;
 631   esac
 632 fi
 633
 634 AC_SUBST([mcs_topdir])
 635 AC_SUBST([mcs_topdir_from_srcdir])
 636
 637 # Where's the 'olive' source tree?
 638 if test -d $srcdir/olive; then
 639   olivedir=olive
 640 else
 641   olivedir=../olive
 642 fi
 643
 644 if test -d $srcdir/$olivedir; then
 645 olive_topdir='$(top_srcdir)/'$olivedir
 646 fi
 647
 648 # gettext: prepare the translation directories.
 649 # we do not configure the full gettext, as we consume it dynamically from C#
 650 AM_PO_SUBDIRS
 651
 652 if test "x$USE_NLS" = "xyes"; then
 653    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 654
 655    if test "x$HAVE_MSGFMT" = "xno"; then
 656           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 657    fi
 658 fi
 659
 660 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 661
 662 pkg_config_path=
 663 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 664         if test x$with_crosspkgdir = "x"; then
 665                 if test -s $PKG_CONFIG_PATH; then
 666                         pkg_config_path=$PKG_CONFIG_PATH
 667                 fi
 668         else
 669                 pkg_config_path=$with_crosspkgdir
 670                 PKG_CONFIG_PATH=$pkg_config_path
 671                 export PKG_CONFIG_PATH
 672         fi
 673 )
 674
 675 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 676 if test x$werror_flag = xyes; then
 677         WERROR_CFLAGS="-Werror"
 678 fi
 679 AC_SUBST([WERROR_CFLAGS])
 680
 681 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 682 AC_CONFIG_SUBDIRS(eglib)
 683
 684 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 685 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 686 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 687 BUILD_GLIB_LIBS="$GLIB_LIBS"
 688 GMODULE_CFLAGS="$GLIB_CFLAGS"
 689 GMODULE_LIBS="$GLIB_LIBS"
 690
 691 AC_SUBST(GLIB_CFLAGS)
 692 AC_SUBST(GLIB_LIBS)
 693 AC_SUBST(GMODULE_CFLAGS)
 694 AC_SUBST(GMODULE_LIBS)
 695 AC_SUBST(BUILD_GLIB_CFLAGS)
 696 AC_SUBST(BUILD_GLIB_LIBS)
 697
 698 # Enable support for fast thread-local storage
 699 # Some systems have broken support, so we allow to disable it.
 700 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 701
 702 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 703 # This does not work on some platforms (bug #55253)
 704 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 705
 706 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 707 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 708 # Same as --with-shared_mono=no
 709 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 710
 711 if test "x$enable_static" = "xno"; then
 712    with_static_mono=no
 713 fi
 714
 715 if test "x$enable_shared" = "xno"; then
 716    with_shared_mono=no
 717 fi
 718
 719 if test "x$enable_libraries" = "xno"; then
 720    with_shared_mono=no
 721 fi
 722
 723 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 724
 725 case $host in
 726 *nacl* ) with_shared_mono=yes;;
 727 esac
 728
 729 if test "x$host_win32" = "xyes"; then
 730    # Boehm GC requires the runtime to be in its own dll
 731    with_static_mono=no
 732 fi
 733
 734 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 735 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 736 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 737
 738 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 739 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 740         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 741         ORIG_CFLAGS=$CFLAGS
 742         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 743         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 744         AC_TRY_COMPILE([], [
 745                 return 0;
 746         ], [
 747            AC_MSG_RESULT(yes)
 748            # Pass it to libgc as well
 749            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 750         ], [
 751            AC_MSG_RESULT(no)
 752            CFLAGS=$ORIG_CFLAGS
 753         ])
 754 fi
 755
 756 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 757
 758 if test x$enable_small_config = xyes; then
 759         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 760         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 761 fi
 762
 763 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=$enableval, enable_system_aot=default)
 764
 765 DISABLED_FEATURES=none
 766
 767 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 768      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 769      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 770          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 771 [
 772         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 773                 eval "mono_feature_disable_$feature='yes'"
 774         done
 775         DISABLED_FEATURES=$enable_minimal
 776         disabled="Disabled:      $enable_minimal"
 777 ],[])
 778
 779 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 780
 781 if test "x$mono_feature_disable_aot" = "xyes"; then
 782         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 783         AC_MSG_NOTICE([Disabled AOT compiler])
 784 fi
 785
 786 if test "x$mono_feature_disable_profiler" = "xyes"; then
 787         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 788         AC_MSG_NOTICE([Disabled support for the profiler])
 789 fi
 790 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 791
 792 if test "x$mono_feature_disable_decimal" = "xyes"; then
 793         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 794         AC_MSG_NOTICE([Disabled support for decimal])
 795 fi
 796
 797 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 798         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 799         AC_MSG_NOTICE([Disabled support for P/Invoke])
 800 fi
 801
 802 if test "x$mono_feature_disable_debug" = "xyes"; then
 803         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 804         AC_MSG_NOTICE([Disabled support for runtime debugging])
 805 fi
 806
 807 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 808         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 809         mono_feature_disable_reflection_emit_save=yes
 810         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 811 fi
 812
 813 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 814         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 815         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 816 fi
 817
 818 if test "x$mono_feature_disable_large_code" = "xyes"; then
 819         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 820         AC_MSG_NOTICE([Disabled support for large assemblies])
 821 fi
 822
 823 if test "x$mono_feature_disable_logging" = "xyes"; then
 824         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 825         AC_MSG_NOTICE([Disabled support for logging])
 826 fi
 827
 828 if test "x$mono_feature_disable_com" = "xyes"; then
 829         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 830         AC_MSG_NOTICE([Disabled COM support])
 831 fi
 832
 833 if test "x$mono_feature_disable_ssa" = "xyes"; then
 834         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 835         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 836 fi
 837
 838 if test "x$mono_feature_disable_generics" = "xyes"; then
 839         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 840         AC_MSG_NOTICE([Disabled Generics Support])
 841 fi
 842
 843 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 844         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 845         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 846 fi
 847
 848 if test "x$mono_feature_disable_portability" = "xyes"; then
 849         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 850         AC_MSG_NOTICE([Disabled IO Portability layer])
 851 fi
 852
 853 if test "x$mono_feature_disable_attach" = "xyes"; then
 854         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 855         AC_MSG_NOTICE([Disabled agent attach])
 856 fi
 857
 858 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 859         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 860         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 861 fi
 862
 863 if test "x$mono_feature_disable_verifier" = "xyes"; then
 864         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 865         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 866 fi
 867
 868 if test "x$mono_feature_disable_jit" = "xyes"; then
 869         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 870         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 871 fi
 872
 873 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 874
 875 if test "x$mono_feature_disable_simd" = "xyes"; then
 876         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 877         AC_MSG_NOTICE([Disabled SIMD support])
 878 fi
 879
 880 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 881         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 882         AC_MSG_NOTICE([Disabled Soft Debugger.])
 883 fi
 884
 885 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 886         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 887         AC_MSG_NOTICE([Disabled Performance Counters.])
 888 fi
 889 if test "x$mono_feature_disable_normalization" = "xyes"; then
 890         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 891         AC_MSG_NOTICE([Disabled String normalization support.])
 892 fi
 893
 894 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 895         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 896         AC_MSG_NOTICE([Disabled Assembly remapping.])
 897 fi
 898
 899 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 900         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 901         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 902 fi
 903
 904 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 905         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 906         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 907 fi
 908
 909 if test "x$mono_feature_disable_remoting" = "xyes"; then
 910         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 911         AC_MSG_NOTICE([Disabled remoting])
 912 fi
 913
 914 if test "x$mono_feature_disable_security" = "xyes"; then
 915         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 916         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 917 fi
 918
 919 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 920         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 921         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 922 fi
 923
 924 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 925         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 926         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 927 fi
 928
 929 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 930         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 931         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 932 fi
 933
 934 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 935         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 936         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 937 fi
 938
 939 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 940         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 941         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 942 fi
 943
 944 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 945         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 946         AC_SUBST(DISABLE_SHARED_HANDLES)
 947 fi
 948
 949 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 950 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 951
 952 has_extension_module=no
 953 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 954 [
 955         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 956                 if test x$extension = xdefault ; then
 957                         has_extension_module=yes;
 958                 fi
 959         done
 960         if test x$enable_extension_module = xyes; then
 961                 has_extension_module=yes;
 962         fi
 963 ], [])
 964
 965 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 966
 967 if test x$has_extension_module != xno ; then
 968         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 969         AC_MSG_NOTICE([Enabling mono extension module.])
 970 fi
 971
 972 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 973 if test x$enable_gsharing = xyes; then
 974         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 975 fi
 976
 977 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 978 if test x$enable_native_types = xyes; then
 979         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 980 fi
 981
 982 AC_MSG_CHECKING(for visibility __attribute__)
 983 AC_COMPILE_IFELSE([
 984         AC_LANG_SOURCE([[
 985                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 986                 int main () { doit (); return 0; }
 987         ]])
 988 ], [
 989    have_visibility_hidden=yes
 990    AC_MSG_RESULT(yes)
 991 ], [
 992    have_visibility_hidden=no
 993    AC_MSG_RESULT(no)
 994 ])
 995
 996 AC_MSG_CHECKING(for deprecated __attribute__)
 997 AC_TRY_COMPILE([
 998      int doit (void) __attribute__ ((deprecated));
 999      int doit (void) { return 0; }
1000 ], [
1001         return 0;
1002 ], [
1003    have_deprecated=yes
1004    AC_MSG_RESULT(yes)
1005 ], [
1006    have_deprecated=no
1007    AC_MSG_RESULT(no)
1008 ])
1009
1010 dnl
1011 dnl Boehm GC configuration
1012 dnl
1013
1014 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1015
1016 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1017 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1018
1019 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1020 if test x$enable_parallel_mark = xyes; then
1021         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1022 fi
1023
1024 gc_headers=no
1025 gc_msg=""
1026 use_included_gc=no
1027 LIBGC_CPPFLAGS=
1028 LIBGC_LIBS=
1029 LIBGC_STATIC_LIBS=
1030 libgc_dir=
1031 case "x$libgc" in
1032         xboehm|xbohem|xyes)
1033                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1034                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1035
1036                 if test "x$found_boehm" != "xyes"; then
1037                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1038                 fi
1039                 if test "x$gc_headers" != "xyes"; then
1040                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1041                 fi
1042
1043                 LIBGC_LIBS="-lgc $libdl"
1044                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1045                 libmono_ldflags="$libmono_ldflags -lgc"
1046                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1047
1048                 # AC_CHECK_FUNCS does not work for some reason...
1049                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1050                 if test "x$found_gcj_malloc" = "xyes"; then
1051                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1052                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1053                         gc_msg="System Boehm with typed GC"
1054                 else
1055                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1056                         gc_msg="System Boehm (without typed GC)"
1057                 fi
1058                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1059                 if test "x$found_gc_enable" = "xyes"; then
1060                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1061                 fi
1062
1063                 # check whether we need to explicitly allow
1064                 # thread registering
1065                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1066                 if test "x$found_allow_register_threads" = "xyes"; then
1067                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1068                 fi
1069                 ;;
1070
1071         xincluded)
1072                 use_included_gc=yes
1073                 if test "x$support_boehm" = "xyes"; then
1074                         libgc_dir=libgc
1075                 fi
1076
1077                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1078                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1079                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1080
1081                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1082
1083                 if test x$target_win32 = xyes; then
1084                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1085                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1086                 fi
1087
1088                 gc_msg="Included Boehm GC with typed GC"
1089                 if test x$enable_parallel_mark = xyes; then
1090                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1091                         gc_msg="$gc_msg and parallel mark"
1092                 else
1093                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1094                 fi
1095                 ;;
1096
1097         xsgen)
1098                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1099                 ;;
1100
1101         xnone)
1102                 AC_MSG_WARN("Compiling mono without GC.")
1103                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1104                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1105                 gc_msg="none"
1106                 ;;
1107         *)
1108                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1109                 ;;
1110 esac
1111
1112 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1113 if test "x$large_heap" = "xyes"; then
1114    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1115 fi
1116
1117 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1118 AC_SUBST(LIBGC_CPPFLAGS)
1119 AC_SUBST(LIBGC_LIBS)
1120 AC_SUBST(LIBGC_STATIC_LIBS)
1121 AC_SUBST(libgc_dir)
1122 AC_SUBST(BOEHM_DEFINES)
1123
1124 dnl
1125 dnl End of Boehm GC Configuration
1126 dnl
1127
1128 dnl *************************************
1129 dnl *** Checks for zero length arrays ***
1130 dnl *************************************
1131 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1132 AC_TRY_COMPILE([
1133         struct s {
1134                 int  length;
1135                 char data [0];
1136         };
1137 ], [], [
1138         AC_MSG_RESULT(yes)
1139         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1140 ], [
1141         AC_MSG_RESULT(no)
1142         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1143 ])
1144
1145 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1146
1147 if test x$target_win32 = xno; then
1148
1149         dnl hires monotonic clock support
1150         AC_SEARCH_LIBS(clock_gettime, rt)
1151
1152         dnl dynamic loader support
1153         AC_CHECK_FUNC(dlopen, DL_LIB="",
1154                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1155         )
1156         if test x$dl_support = xno; then
1157                 AC_MSG_WARN([No dynamic loading support available])
1158         else
1159                 LIBS="$LIBS $DL_LIB"
1160                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1161                 dnl from glib's configure.ac
1162                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1163                         mono_cv_uscore,[
1164                         AC_TRY_RUN([#include <dlfcn.h>
1165                         int mono_underscore_test (void) { return 42; }
1166                         int main() {
1167                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1168                           handle = dlopen ((void*)0, 0);
1169                           if (handle) {
1170                             f1 = dlsym (handle, "mono_underscore_test");
1171                             f2 = dlsym (handle, "_mono_underscore_test");
1172                           } return (!f2 || f1);
1173                         }],
1174                                 [mono_cv_uscore=yes],
1175                                 [mono_cv_uscore=no],
1176                         [])
1177                 ])
1178                 if test "x$mono_cv_uscore" = "xyes"; then
1179                         MONO_DL_NEED_USCORE=1
1180                 else
1181                         MONO_DL_NEED_USCORE=0
1182                 fi
1183                 AC_SUBST(MONO_DL_NEED_USCORE)
1184                 AC_CHECK_FUNC(dlerror)
1185         fi
1186
1187         dnl ******************************************************************
1188         dnl *** Checks for the IKVM JNI interface library                  ***
1189         dnl ******************************************************************
1190         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])
1191
1192         ikvm_native_dir=
1193         if test x$with_ikvm_native = xyes; then
1194                 ikvm_native_dir=ikvm-native
1195                 jdk_headers_found="IKVM Native"
1196         fi
1197
1198         AC_SUBST(ikvm_native_dir)
1199
1200         AC_CHECK_HEADERS(execinfo.h)
1201
1202         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1203
1204         AC_CHECK_FUNCS(getgrgid_r)
1205         AC_CHECK_FUNCS(getgrnam_r)
1206         AC_CHECK_FUNCS(getpwnam_r)
1207         AC_CHECK_FUNCS(getpwuid_r)
1208         AC_CHECK_FUNCS(getresuid)
1209         AC_CHECK_FUNCS(setresuid)
1210         AC_CHECK_FUNCS(kqueue)
1211         AC_CHECK_FUNCS(backtrace_symbols)
1212         AC_CHECK_FUNCS(mkstemp)
1213         AC_CHECK_FUNCS(mmap)
1214         AC_CHECK_FUNCS(madvise)
1215         AC_CHECK_FUNCS(getrusage)
1216         AC_CHECK_FUNCS(getpriority)
1217         AC_CHECK_FUNCS(setpriority)
1218         AC_CHECK_FUNCS(dl_iterate_phdr)
1219         AC_CHECK_FUNCS(dladdr)
1220         AC_CHECK_FUNCS(sysconf)
1221         AC_CHECK_FUNCS(getrlimit)
1222
1223         AC_CHECK_FUNCS(sched_setaffinity)
1224         AC_CHECK_FUNCS(sched_getcpu)
1225
1226         dnl ****************************************************************
1227         dnl *** Check for sched_setaffinity from glibc versions before   ***
1228         dnl *** 2.3.4. The older versions of the function only take 2    ***
1229         dnl *** parameters, not 3.                                       ***
1230         dnl ***                                                          ***
1231         dnl *** Because the interface change was not made in a minor     ***
1232         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1233         dnl *** won't always indicate the interface sched_affinity has.  ***
1234         dnl ****************************************************************
1235         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1236         AC_TRY_COMPILE([#include <sched.h>], [
1237             int mask = 1;
1238             sched_setaffinity(0, &mask);
1239                         return 0;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1244         ], [
1245                 # We have the new, three-parameter version
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249
1250         dnl ******************************************************************
1251         dnl *** Check for large file support                               ***
1252         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1253         dnl ******************************************************************
1254
1255         # Check that off_t can represent 2**63 - 1 correctly, working around
1256         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1257         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1258         large_offt=no
1259         AC_DEFUN([LARGE_FILES], [
1260                 large_CPPFLAGS=$CPPFLAGS
1261                 CPPFLAGS="$CPPFLAGS $1"
1262                 AC_TRY_COMPILE([
1263                         #include <sys/types.h>
1264                         #include <limits.h>
1265                 ], [
1266                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1267                         #define COMPILE_TIME_ASSERT(pred) \
1268                                 switch(0){case 0:case pred:;}
1269                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1270                 ], [
1271                         AC_MSG_RESULT(ok)
1272                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1273                         large_CPPFLAGS="$large_CPPFLAGS $1"
1274                         large_offt=yes
1275                 ], [
1276                         AC_MSG_RESULT(no)
1277                 ])
1278                 CPPFLAGS=$large_CPPFLAGS
1279         ])
1280
1281         AC_MSG_CHECKING(if off_t is 64 bits wide)
1282         LARGE_FILES("")
1283         if test $large_offt = no; then
1284                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1285                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1286         fi
1287         if test $large_offt = no; then
1288                 AC_MSG_WARN([No 64 bit file size support available])
1289         fi
1290
1291         dnl *****************************
1292         dnl *** Checks for libsocket  ***
1293         dnl *****************************
1294         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1295
1296         case "$host" in
1297                 *-*-*freebsd*)
1298                         dnl *****************************
1299                         dnl *** Checks for libinotify ***
1300                         dnl *****************************
1301                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1302         esac
1303
1304         dnl *******************************
1305         dnl *** Checks for MSG_NOSIGNAL ***
1306         dnl *******************************
1307         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1308         AC_TRY_COMPILE([#include <sys/socket.h>], [
1309                 int f = MSG_NOSIGNAL;
1310         ], [
1311                 # Yes, we have it...
1312                 AC_MSG_RESULT(yes)
1313                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1314         ], [
1315                 # We'll have to use signals
1316                 AC_MSG_RESULT(no)
1317         ])
1318
1319         dnl *****************************
1320         dnl *** Checks for IPPROTO_IP ***
1321         dnl *****************************
1322         AC_MSG_CHECKING(for IPPROTO_IP)
1323         AC_TRY_COMPILE([#include <netinet/in.h>], [
1324                 int level = IPPROTO_IP;
1325         ], [
1326                 # Yes, we have it...
1327                 AC_MSG_RESULT(yes)
1328                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1329         ], [
1330                 # We'll have to use getprotobyname
1331                 AC_MSG_RESULT(no)
1332         ])
1333
1334         dnl *******************************
1335         dnl *** Checks for IPPROTO_IPV6 ***
1336         dnl *******************************
1337         AC_MSG_CHECKING(for IPPROTO_IPV6)
1338         AC_TRY_COMPILE([#include <netinet/in.h>], [
1339                 int level = IPPROTO_IPV6;
1340         ], [
1341                 # Yes, we have it...
1342                 AC_MSG_RESULT(yes)
1343                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1344         ], [
1345                 # We'll have to use getprotobyname
1346                 AC_MSG_RESULT(no)
1347         ])
1348
1349         dnl ******************************
1350         dnl *** Checks for IPPROTO_TCP ***
1351         dnl ******************************
1352         AC_MSG_CHECKING(for IPPROTO_TCP)
1353         AC_TRY_COMPILE([#include <netinet/in.h>], [
1354                 int level = IPPROTO_TCP;
1355         ], [
1356                 # Yes, we have it...
1357                 AC_MSG_RESULT(yes)
1358                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1359         ], [
1360                 # We'll have to use getprotobyname
1361                 AC_MSG_RESULT(no)
1362         ])
1363
1364         dnl *****************************
1365         dnl *** Checks for SOL_IP     ***
1366         dnl *****************************
1367         AC_MSG_CHECKING(for SOL_IP)
1368         AC_TRY_COMPILE([#include <netdb.h>], [
1369                 int level = SOL_IP;
1370         ], [
1371                 # Yes, we have it...
1372                 AC_MSG_RESULT(yes)
1373                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1374         ], [
1375                 # We'll have to use getprotobyname
1376                 AC_MSG_RESULT(no)
1377         ])
1378
1379         dnl *****************************
1380         dnl *** Checks for SOL_IPV6     ***
1381         dnl *****************************
1382         AC_MSG_CHECKING(for SOL_IPV6)
1383         AC_TRY_COMPILE([#include <netdb.h>], [
1384                 int level = SOL_IPV6;
1385         ], [
1386                 # Yes, we have it...
1387                 AC_MSG_RESULT(yes)
1388                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1389         ], [
1390                 # We'll have to use getprotobyname
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl *****************************
1395         dnl *** Checks for SOL_TCP    ***
1396         dnl *****************************
1397         AC_MSG_CHECKING(for SOL_TCP)
1398         AC_TRY_COMPILE([#include <netdb.h>], [
1399                 int level = SOL_TCP;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1404         ], [
1405                 # We'll have to use getprotobyname
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl *****************************
1410         dnl *** Checks for IP_PKTINFO ***
1411         dnl *****************************
1412         AC_MSG_CHECKING(for IP_PKTINFO)
1413         AC_TRY_COMPILE([#include <linux/in.h>], [
1414                 int level = IP_PKTINFO;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl *****************************
1424         dnl *** Checks for IPV6_PKTINFO ***
1425         dnl *****************************
1426         AC_MSG_CHECKING(for IPV6_PKTINFO)
1427         AC_TRY_COMPILE([#include <netdb.h>], [
1428                 int level = IPV6_PKTINFO;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1433         ], [
1434                 AC_MSG_RESULT(no)
1435         ])
1436
1437         dnl **********************************
1438         dnl *** Checks for IP_DONTFRAG     ***
1439         dnl **********************************
1440         AC_MSG_CHECKING(for IP_DONTFRAG)
1441         AC_TRY_COMPILE([#include <netinet/in.h>], [
1442                 int level = IP_DONTFRAG;
1443         ], [
1444                 # Yes, we have it...
1445                 AC_MSG_RESULT(yes)
1446                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1447         ], [
1448                 AC_MSG_RESULT(no)
1449         ])
1450
1451         dnl **********************************
1452         dnl *** Checks for IP_DONTFRAGMENT ***
1453         dnl **********************************
1454         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1455         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1456                 int level = IP_DONTFRAGMENT;
1457         ], [
1458                 # Yes, we have it...
1459                 AC_MSG_RESULT(yes)
1460                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1461         ], [
1462                 AC_MSG_RESULT(no)
1463         ])
1464
1465         dnl **********************************
1466         dnl *** Checks for IP_MTU_DISCOVER ***
1467         dnl **********************************
1468         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1469         AC_TRY_COMPILE([#include <linux/in.h>], [
1470                 int level = IP_MTU_DISCOVER;
1471         ], [
1472                 # Yes, we have it...
1473                 AC_MSG_RESULT(yes)
1474                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1475         ], [
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl **********************************
1480         dnl *** Checks for  IP_PMTUDISC_DO ***
1481         dnl **********************************
1482         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1483         AC_TRY_COMPILE([#include <linux/in.h>], [
1484                 int level = IP_PMTUDISC_DO;
1485         ], [
1486                 # Yes, we have it...
1487                 AC_MSG_RESULT(yes)
1488                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1489         ], [
1490                 AC_MSG_RESULT(no)
1491         ])
1492
1493         dnl *********************************
1494         dnl *** Check for struct ip_mreqn ***
1495         dnl *********************************
1496         AC_MSG_CHECKING(for struct ip_mreqn)
1497         AC_TRY_COMPILE([#include <netinet/in.h>], [
1498                 struct ip_mreqn mreq;
1499                 mreq.imr_address.s_addr = 0;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1504         ], [
1505                 # We'll just have to try and use struct ip_mreq
1506                 AC_MSG_RESULT(no)
1507                 AC_MSG_CHECKING(for struct ip_mreq)
1508                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1509                         struct ip_mreq mreq;
1510                         mreq.imr_interface.s_addr = 0;
1511                 ], [
1512                         # Yes, we have it...
1513                         AC_MSG_RESULT(yes)
1514                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1515                 ], [
1516                         # No multicast support
1517                         AC_MSG_RESULT(no)
1518                 ])
1519         ])
1520
1521         dnl **********************************
1522         dnl *** Check for gethostbyname2_r ***
1523         dnl **********************************
1524         AC_MSG_CHECKING(for gethostbyname2_r)
1525                 AC_TRY_LINK([#include <netdb.h>], [
1526                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1527         ], [
1528                 # Yes, we have it...
1529                 AC_MSG_RESULT(yes)
1530                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1531         ], [
1532                 AC_MSG_RESULT(no)
1533         ])
1534
1535         dnl *****************************
1536         dnl *** Checks for libnsl     ***
1537         dnl *****************************
1538         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1539
1540         AC_CHECK_FUNCS(inet_pton inet_aton)
1541
1542         dnl *****************************
1543         dnl *** Checks for libxnet    ***
1544         dnl *****************************
1545         case "${host}" in
1546                 *solaris* )
1547                         AC_MSG_CHECKING(for Solaris XPG4 support)
1548                         if test -f /usr/lib/libxnet.so; then
1549                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1550                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1551                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1552                                 LIBS="$LIBS -lxnet"
1553                                 AC_MSG_RESULT(yes)
1554                         else
1555                                 AC_MSG_RESULT(no)
1556                         fi
1557
1558                         if test "$GCC" = "yes"; then
1559                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1560                         fi
1561                 ;;
1562         esac
1563
1564         dnl *****************************
1565         dnl *** Checks for libpthread ***
1566         dnl *****************************
1567 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1568 # and libpthread does not exist
1569 #
1570         case "${host}" in
1571                 *-*-*freebsd*)
1572                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1573                 ;;
1574                 *-*-*openbsd*)
1575                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1576                 ;;
1577                 *)
1578                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1579                 ;;
1580         esac
1581         AC_CHECK_HEADERS(pthread.h)
1582         AC_CHECK_HEADERS(pthread_np.h)
1583         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1584         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1585         AC_CHECK_FUNCS(pthread_kill)
1586         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1587         AC_TRY_COMPILE([ #include <pthread.h>], [
1588                 pthread_mutexattr_t attr;
1589                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1590         ], [
1591                 AC_MSG_RESULT(ok)
1592         ], [
1593                 AC_MSG_RESULT(no)
1594                 AC_ERROR(Posix system lacks support for recursive mutexes)
1595         ])
1596         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1597         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1598         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1599
1600         dnl ***********************************
1601         dnl *** Checks for signals
1602         dnl ***********************************
1603         AC_CHECK_HEADERS(signal.h)
1604         AC_CHECK_FUNCS(sigaction)
1605
1606         dnl ***********************************
1607         dnl *** Checks for working __thread ***
1608         dnl ***********************************
1609         AC_MSG_CHECKING(for working __thread)
1610         if test "x$with_tls" != "x__thread"; then
1611                 AC_MSG_RESULT(disabled)
1612         elif test "x$cross_compiling" = "xyes"; then
1613                 AC_MSG_RESULT(cross compiling, assuming yes)
1614         else
1615                 AC_TRY_RUN([
1616                         #if defined(__APPLE__) && defined(__clang__)
1617                         #error "__thread does not currently work with clang on Mac OS X"
1618                         #endif
1619
1620                         #include <pthread.h>
1621                         __thread int i;
1622                         static int res1, res2;
1623
1624                         void thread_main (void *arg)
1625                         {
1626                                 i = arg;
1627                                 sleep (1);
1628                                 if (arg == 1)
1629                                         res1 = (i == arg);
1630                                 else
1631                                         res2 = (i == arg);
1632                         }
1633
1634                         int main () {
1635                                 pthread_t t1, t2;
1636
1637                                 i = 5;
1638
1639                                 pthread_create (&t1, NULL, thread_main, 1);
1640                                 pthread_create (&t2, NULL, thread_main, 2);
1641
1642                                 pthread_join (t1, NULL);
1643                                 pthread_join (t2, NULL);
1644
1645                                 return !(res1 + res2 == 2);
1646                         }
1647                 ], [
1648                                 AC_MSG_RESULT(yes)
1649                 ], [
1650                                 AC_MSG_RESULT(no)
1651                                 with_tls=pthread
1652                 ])
1653         fi
1654
1655         dnl **************************************
1656         dnl *** Checks for working sigaltstack ***
1657         dnl **************************************
1658         AC_MSG_CHECKING(for working sigaltstack)
1659         if test "x$with_sigaltstack" != "xyes"; then
1660                 AC_MSG_RESULT(disabled)
1661         elif test "x$cross_compiling" = "xyes"; then
1662                 AC_MSG_RESULT(cross compiling, assuming yes)
1663         else
1664                 AC_TRY_RUN([
1665                         #include <stdio.h>
1666                         #include <stdlib.h>
1667                         #include <unistd.h>
1668                         #include <signal.h>
1669                         #include <pthread.h>
1670                         #include <sys/wait.h>
1671                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1672                         #define SA_STACK SA_ONSTACK
1673                         #endif
1674                         static void
1675                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1676                         {
1677                                 exit (0);
1678                         }
1679
1680                         volatile char*__ptr = NULL;
1681                         static void *
1682                         loop (void *ignored)
1683                         {
1684                                 *__ptr = 0;
1685                                 return NULL;
1686                         }
1687
1688                         static void
1689                         child ()
1690                         {
1691                                 struct sigaction sa;
1692                         #ifdef __APPLE__
1693                                 stack_t sas;
1694                         #else
1695                                 struct sigaltstack sas;
1696                         #endif
1697                                 pthread_t id;
1698                                 pthread_attr_t attr;
1699
1700                                 sa.sa_sigaction = sigsegv_signal_handler;
1701                                 sigemptyset (&sa.sa_mask);
1702                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1703                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1704                                         perror ("sigaction");
1705                                         return;
1706                                 }
1707
1708                                 /* x86 darwin deliver segfaults using SIGBUS */
1709                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1710                                         perror ("sigaction");
1711                                         return;
1712                                 }
1713                                 sas.ss_sp = malloc (SIGSTKSZ);
1714                                 sas.ss_size = SIGSTKSZ;
1715                                 sas.ss_flags = 0;
1716                                 if (sigaltstack (&sas, NULL) == -1) {
1717                                         perror ("sigaltstack");
1718                                         return;
1719                                 }
1720
1721                                 pthread_attr_init (&attr);
1722                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1723                                         printf ("pthread_create\n");
1724                                         return;
1725                                 }
1726
1727                                 sleep (100);
1728                         }
1729
1730                         int
1731                         main ()
1732                         {
1733                                 pid_t son;
1734                                 int status;
1735                                 int i;
1736
1737                                 son = fork ();
1738                                 if (son == -1) {
1739                                         return 1;
1740                                 }
1741
1742                                 if (son == 0) {
1743                                         child ();
1744                                         return 0;
1745                                 }
1746
1747                                 for (i = 0; i < 300; ++i) {
1748                                         waitpid (son, &status, WNOHANG);
1749                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1750                                                 return 0;
1751                                         usleep (10000);
1752                                 }
1753
1754                                 kill (son, SIGKILL);
1755                                 return 1;
1756                         }
1757
1758                 ], [
1759                                 AC_MSG_RESULT(yes)
1760                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1761                 ], [
1762                                 with_sigaltstack=no
1763                                 AC_MSG_RESULT(no)
1764                 ])
1765         fi
1766
1767         dnl ********************************
1768         dnl *** Checks for semaphore lib ***
1769         dnl ********************************
1770         # 'Real Time' functions on Solaris
1771         # posix4 on Solaris 2.6
1772         # pthread (first!) on Linux
1773         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1774
1775         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1776         AC_CHECK_FUNCS(shm_open)
1777
1778         dnl ********************************
1779         dnl *** Checks for timezone stuff **
1780         dnl ********************************
1781         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1782                 AC_TRY_COMPILE([
1783                         #include <time.h>
1784                         ], [
1785                         struct tm tm;
1786                         tm.tm_gmtoff = 1;
1787                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1788         if test $ac_cv_struct_tm_gmtoff = yes; then
1789                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1790         else
1791                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1792                         AC_TRY_COMPILE([
1793                                 #include <time.h>
1794                         ], [
1795                                 timezone = 1;
1796                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1797                 if test $ac_cv_var_timezone = yes; then
1798                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1799                 else
1800                         AC_ERROR(unable to find a way to determine timezone)
1801                 fi
1802         fi
1803
1804         dnl *********************************
1805         dnl *** Checks for math functions ***
1806         dnl *********************************
1807         AC_SEARCH_LIBS(sqrtf, m)
1808         if test "x$has_broken_apple_cpp" != "xyes"; then
1809                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1810                         AC_TRY_LINK([#include <math.h>],
1811                         [ finite(0.0); ],
1812                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1813                         AC_MSG_RESULT(no)))
1814         fi
1815         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1816                 AC_TRY_LINK([#include <math.h>],
1817                 [ isfinite(0.0); ],
1818                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1819                 AC_MSG_RESULT(no)))
1820
1821         dnl ****************************************************************
1822         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1823         dnl *** have it in the library (duh))                            ***
1824         dnl ****************************************************************
1825         AC_CHECK_FUNCS(poll)
1826
1827         dnl *************************
1828         dnl *** Check for signbit ***
1829         dnl *************************
1830         AC_MSG_CHECKING(for signbit)
1831         AC_TRY_LINK([#include <math.h>], [
1832                 int s = signbit(1.0);
1833         ], [
1834                 AC_MSG_RESULT(yes)
1835                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1836         ], [
1837                 AC_MSG_RESULT(no)
1838         ])
1839
1840         dnl **********************************
1841         dnl *** epoll                      ***
1842         dnl **********************************
1843         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1844                 AC_CHECK_HEADERS(sys/epoll.h)
1845                 haveepoll=no
1846                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1847                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1848                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1849                 fi
1850         fi
1851
1852         havekqueue=no
1853
1854         AC_CHECK_HEADERS(sys/event.h)
1855         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1856
1857         dnl **************************************
1858         dnl * Darwin has a race that prevents us from using reliably:
1859         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1860         dnl * Since kqueue is mostly used for scaling large web servers,
1861         dnl * and very few folks run Mono on large web servers on OSX, falling
1862         dnl * back
1863         dnl **************************************
1864         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1865                 if test "x$platform_darwin" = "xno"; then
1866                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1867                 fi
1868         fi
1869
1870         dnl ******************************
1871         dnl *** Checks for SIOCGIFCONF ***
1872         dnl ******************************
1873         AC_CHECK_HEADERS(sys/ioctl.h)
1874         AC_CHECK_HEADERS(net/if.h, [], [],
1875            [
1876            #ifdef HAVE_SYS_TYPES_H
1877            # include <sys/types.h>
1878            #endif
1879            #ifdef HAVE_SYS_SOCKET_H
1880            # include <sys/socket.h>
1881            #endif
1882            ])
1883         AC_MSG_CHECKING(for ifreq)
1884         AC_TRY_COMPILE([
1885                 #include <stdio.h>
1886                 #include <sys/ioctl.h>
1887                 #include <net/if.h>
1888                 ], [
1889                 struct ifconf ifc;
1890                 struct ifreq *ifr;
1891                 void *x;
1892                 ifc.ifc_len = 0;
1893                 ifc.ifc_buf = NULL;
1894                 x = (void *) &ifr->ifr_addr;
1895                 ],[
1896                         AC_MSG_RESULT(yes)
1897                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1898                 ], [
1899                         AC_MSG_RESULT(no)
1900                 ])
1901         dnl **********************************
1902         dnl ***     Checks for sin_len     ***
1903         dnl **********************************
1904         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1905         AC_TRY_COMPILE([
1906                 #include <netinet/in.h>
1907                 ], [
1908                 struct sockaddr_in saddr;
1909                 saddr.sin_len = sizeof (saddr);
1910                 ],[
1911                         AC_MSG_RESULT(yes)
1912                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1913                 ], [
1914                         AC_MSG_RESULT(no)
1915                 ])
1916         dnl **********************************
1917         dnl ***    Checks for sin6_len     ***
1918         dnl **********************************
1919         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1920         AC_TRY_COMPILE([
1921                 #include <netinet/in.h>
1922                 ], [
1923                 struct sockaddr_in6 saddr6;
1924                 saddr6.sin6_len = sizeof (saddr6);
1925                 ],[
1926                         AC_MSG_RESULT(yes)
1927                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1928                 ], [
1929                         AC_MSG_RESULT(no)
1930                 ])
1931         dnl **********************************
1932         dnl *** Check for getifaddrs       ***
1933         dnl **********************************
1934         AC_MSG_CHECKING(for getifaddrs)
1935                 AC_TRY_LINK([
1936                 #include <stdio.h>
1937                 #include <sys/types.h>
1938                 #include <sys/socket.h>
1939                 #include <ifaddrs.h>
1940         ], [
1941                 getifaddrs(NULL);
1942         ], [
1943                 # Yes, we have it...
1944                 AC_MSG_RESULT(yes)
1945                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1946         ], [
1947                 AC_MSG_RESULT(no)
1948         ])
1949         dnl **********************************
1950         dnl *** Check for if_nametoindex   ***
1951         dnl **********************************
1952         AC_MSG_CHECKING(for if_nametoindex)
1953                 AC_TRY_LINK([
1954                 #include <stdio.h>
1955                 #include <sys/types.h>
1956                 #include <sys/socket.h>
1957                 #include <net/if.h>
1958         ], [
1959                 if_nametoindex(NULL);
1960         ], [
1961                 # Yes, we have it...
1962                 AC_MSG_RESULT(yes)
1963                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1964         ], [
1965                 AC_MSG_RESULT(no)
1966         ])
1967
1968         dnl **********************************
1969         dnl *** Checks for MonoPosixHelper ***
1970         dnl **********************************
1971         AC_CHECK_HEADERS(checklist.h)
1972         AC_CHECK_HEADERS(pathconf.h)
1973         AC_CHECK_HEADERS(fstab.h)
1974         AC_CHECK_HEADERS(attr/xattr.h)
1975         AC_CHECK_HEADERS(sys/extattr.h)
1976         AC_CHECK_HEADERS(sys/sendfile.h)
1977         AC_CHECK_HEADERS(sys/statvfs.h)
1978         AC_CHECK_HEADERS(sys/statfs.h)
1979         AC_CHECK_HEADERS(sys/vfstab.h)
1980         AC_CHECK_HEADERS(sys/xattr.h)
1981         AC_CHECK_HEADERS(sys/mman.h)
1982         AC_CHECK_HEADERS(sys/param.h)
1983         AC_CHECK_HEADERS(sys/mount.h, [], [],
1984                 [
1985                 #ifdef HAVE_SYS_PARAM_H
1986                 # include <sys/param.h>
1987                 #endif
1988                 ])
1989         AC_CHECK_HEADERS(sys/mount.h)
1990         AC_CHECK_FUNCS(confstr)
1991         AC_CHECK_FUNCS(seekdir telldir)
1992         AC_CHECK_FUNCS(getdomainname)
1993         AC_CHECK_FUNCS(setdomainname)
1994         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
1995         AC_CHECK_FUNCS(setgroups)
1996         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
1997         AC_CHECK_FUNCS(getfsstat)
1998         AC_CHECK_FUNCS(lutimes futimes)
1999         AC_CHECK_FUNCS(mremap)
2000         AC_CHECK_FUNCS(remap_file_pages)
2001         AC_CHECK_FUNCS(posix_fadvise)
2002         AC_CHECK_FUNCS(posix_fallocate)
2003         AC_CHECK_FUNCS(posix_madvise)
2004         AC_CHECK_FUNCS(vsnprintf)
2005         AC_CHECK_FUNCS(sendfile)
2006         AC_CHECK_FUNCS(gethostid sethostid)
2007         AC_CHECK_FUNCS(sethostname)
2008         AC_CHECK_FUNCS(statfs)
2009         AC_CHECK_FUNCS(fstatfs)
2010         AC_CHECK_FUNCS(statvfs)
2011         AC_CHECK_FUNCS(fstatvfs)
2012         AC_CHECK_FUNCS(stime)
2013         AC_CHECK_FUNCS(strerror_r)
2014         AC_CHECK_FUNCS(ttyname_r)
2015         AC_CHECK_FUNCS(psignal)
2016         AC_CHECK_FUNCS(getlogin_r)
2017         AC_CHECK_FUNCS(lockf)
2018         AC_CHECK_FUNCS(swab)
2019         AC_CHECK_FUNCS(setusershell endusershell)
2020         AC_CHECK_FUNCS(futimens utimensat)
2021         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2022         AC_CHECK_FUNCS(readv writev preadv pwritev)
2023         AC_CHECK_FUNCS(setpgid)
2024         AC_CHECK_SIZEOF(size_t)
2025         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2026                 [#include <sys/types.h>
2027                  #include <sys/stat.h>
2028                  #include <unistd.h>])
2029         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2030                 [#include <sys/types.h>
2031                  #include <sys/stat.h>
2032                  #include <unistd.h>])
2033         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2034                 [#include <sys/time.h>])
2035         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2036                 [#include <unistd.h>
2037                  #include <fcntl.h>])
2038         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2039                 [#include <sys/uio.h>])
2040         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2041                 [#include <sys/poll.h>])
2042         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2043                 [#include <sys/types.h>
2044                  #include <sys/stat.h>
2045                  #include <unistd.h>])
2046         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2047                 [#include <time.h>])
2048         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2049                 [#include <sys/time.h>
2050                  #include <sys/types.h>
2051                  #include <utime.h>])
2052         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2053                 [#include <sys/time.h>])
2054         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2055                 [#include <sys/types.h>
2056                  #include <utime.h>])
2057         AC_CHECK_MEMBERS(
2058                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2059                 [#include <sys/types.h>
2060                  #include <dirent.h>])
2061         AC_CHECK_MEMBERS(
2062                 [struct passwd.pw_gecos],,,
2063                 [#include <sys/types.h>
2064                  #include <pwd.h>])
2065         AC_CHECK_MEMBERS(
2066                 [struct statfs.f_flags],,,
2067                 [#include <sys/types.h>
2068                  #include <sys/vfs.h>])
2069         AC_CHECK_MEMBERS(
2070                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2071                 [#include <sys/types.h>
2072                  #include <sys/stat.h>
2073                  #include <unistd.h>])
2074
2075         dnl Favour xattr through glibc, but use libattr if we have to
2076         AC_CHECK_FUNC(lsetxattr, ,
2077                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2078         )
2079         AC_SUBST(XATTR_LIB)
2080
2081         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2082         AC_CHECK_MEMBERS(
2083                 [struct kinfo_proc.kp_proc],,,
2084                 [#include <sys/types.h>
2085                  #include <sys/param.h>
2086                  #include <sys/sysctl.h>
2087                  #include <sys/proc.h>
2088                  ])
2089
2090         dnl *********************************
2091         dnl *** Checks for Windows compilation ***
2092         dnl *********************************
2093         AC_CHECK_HEADERS(sys/time.h)
2094         AC_CHECK_HEADERS(sys/param.h)
2095         AC_CHECK_HEADERS(dirent.h)
2096
2097         dnl ******************************************
2098         dnl *** Checks for OSX and iOS compilation ***
2099         dnl ******************************************
2100         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2101
2102         dnl *********************************
2103         dnl *** Check for Console 2.0 I/O ***
2104         dnl *********************************
2105         AC_CHECK_HEADERS([curses.h])
2106         AC_CHECK_HEADERS([term.h], [], [],
2107         [#if HAVE_CURSES_H
2108          #include <curses.h>
2109          #endif
2110         ])
2111         AC_CHECK_HEADERS([termios.h])
2112
2113         dnl * This is provided in io-layer, but on windows it's only available
2114         dnl * on xp+
2115         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2116 else
2117         dnl *********************************
2118         dnl *** Checks for Windows compilation ***
2119         dnl *********************************
2120         AC_CHECK_HEADERS(winternl.h)
2121
2122         jdk_headers_found=no
2123         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2124         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2125         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2126         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2127         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2128         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2129         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2130
2131         dnl *********************************
2132         dnl *** Check for struct ip_mreqn ***
2133         dnl *********************************
2134         AC_MSG_CHECKING(for struct ip_mreqn)
2135         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2136                 struct ip_mreqn mreq;
2137                 mreq.imr_address.s_addr = 0;
2138         ], [
2139                 # Yes, we have it...
2140                 AC_MSG_RESULT(yes)
2141                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2142         ], [
2143                 # We'll just have to try and use struct ip_mreq
2144                 AC_MSG_RESULT(no)
2145                 AC_MSG_CHECKING(for struct ip_mreq)
2146                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2147                         struct ip_mreq mreq;
2148                         mreq.imr_interface.s_addr = 0;
2149                 ], [
2150                         # Yes, we have it...
2151                         AC_MSG_RESULT(yes)
2152                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2153                 ], [
2154                         # No multicast support
2155                         AC_MSG_RESULT(no)
2156                 ])
2157         ])
2158         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2159         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2160         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2161         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2162         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2163         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2164         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2165
2166         AC_MSG_CHECKING(for GetProcessId)
2167         AC_TRY_COMPILE([#include <windows.h>], [
2168                 GetProcessId (0);
2169         ], [
2170            AC_MSG_RESULT(yes)
2171            AC_DEFINE(HAVE_GETPROCESSID)
2172         ], [
2173            AC_MSG_RESULT(no)
2174         ])
2175 fi
2176
2177 dnl socklen_t check
2178 AC_MSG_CHECKING(for socklen_t)
2179 AC_TRY_COMPILE([
2180 #include <sys/types.h>
2181 #include <sys/socket.h>
2182 ],[
2183   socklen_t foo;
2184 ],[
2185 ac_cv_c_socklen_t=yes
2186         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2187         AC_MSG_RESULT(yes)
2188 ],[
2189         AC_MSG_RESULT(no)
2190 ])
2191
2192 AC_MSG_CHECKING(for array element initializer support)
2193 AC_TRY_COMPILE([#include <sys/socket.h>], [
2194         const int array[] = {[1] = 2,};
2195 ], [
2196         # Yes, we have it...
2197         AC_MSG_RESULT(yes)
2198         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2199 ], [
2200         # We'll have to use signals
2201         AC_MSG_RESULT(no)
2202 ])
2203
2204 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2205         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2206         AC_TRY_LINK([#include <math.h>],
2207         [ static void *p = &trunc; ],
2208         [
2209                 AC_DEFINE(HAVE_TRUNC)
2210                 AC_MSG_RESULT(yes)
2211                 ac_cv_trunc=yes
2212         ],
2213         AC_MSG_RESULT(no)))
2214
2215 if test "x$ac_cv_truncl" != "xyes"; then
2216    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2217 fi
2218
2219 AC_CHECK_FUNCS(round)
2220 AC_CHECK_FUNCS(rint)
2221 AC_CHECK_FUNCS(execvp)
2222
2223 dnl ****************************
2224 dnl *** Look for /dev/random ***
2225 dnl ****************************
2226
2227 AC_MSG_CHECKING([if usage of random device is requested])
2228 AC_ARG_ENABLE(dev-random,
2229 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2230 try_dev_random=$enableval, try_dev_random=yes)
2231
2232 AC_MSG_RESULT($try_dev_random)
2233
2234 case "{$build}" in
2235     *-openbsd*)
2236     NAME_DEV_RANDOM="/dev/srandom"
2237     ;;
2238
2239 dnl Win32 does not have /dev/random, they have their own method...
2240
2241     *-mingw*|*-*-cygwin*)
2242     ac_cv_have_dev_random=no
2243     ;;
2244
2245 dnl Everywhere else, it's /dev/random
2246
2247     *)
2248     NAME_DEV_RANDOM="/dev/random"
2249     ;;
2250 esac
2251
2252 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2253
2254 dnl Now check if the device actually exists
2255
2256 if test "x$try_dev_random" = "xyes"; then
2257     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2258     [if test -r "$NAME_DEV_RANDOM" ; then
2259         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2260     if test "x$ac_cv_have_dev_random" = "xyes"; then
2261         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2262     fi
2263 else
2264     AC_MSG_CHECKING(for random device)
2265     ac_cv_have_dev_random=no
2266     AC_MSG_RESULT(has been disabled)
2267 fi
2268
2269 if test "x$host_win32" = "xyes"; then
2270     AC_DEFINE(HAVE_CRYPT_RNG)
2271 fi
2272
2273 if test "x$ac_cv_have_dev_random" = "xno" \
2274     && test "x$host_win32" = "xno"; then
2275     AC_MSG_WARN([[
2276 ***
2277 *** A system-provided entropy source was not found on this system.
2278 *** Because of this, the System.Security.Cryptography random number generator
2279 *** will throw a NotImplemented exception.
2280 ***
2281 *** If you are seeing this message, and you know your system DOES have an
2282 *** entropy collection in place, please contact <crichton@gimp.org> and
2283 *** provide information about the system and how to access the random device.
2284 ***
2285 *** Otherwise you can install either egd or prngd and set the environment
2286 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2287 ***]])
2288 fi
2289
2290 AC_MSG_CHECKING([if inter-process shared handles are requested])
2291 # Same as --enable-minimal=shared_handles
2292 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2293 AC_MSG_RESULT($try_shared_handles)
2294 if test "x$try_shared_handles" != "xyes"; then
2295         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2296         AC_SUBST(DISABLE_SHARED_HANDLES)
2297 fi
2298
2299 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2300
2301 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2302 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2303
2304 AC_MSG_CHECKING([if big-arrays are to be enabled])
2305 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2306 if test "x$enable_big_arrays" = "xyes" ; then
2307     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2308         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2309     else
2310         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2311     fi
2312 fi
2313 AC_MSG_RESULT($enable_big_arrays)
2314
2315 dnl **************
2316 dnl *** DTRACE ***
2317 dnl **************
2318
2319 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2320
2321 if test "x$enable_dtrace" = "xyes"; then
2322    if test "x$has_dtrace" = "xno"; then
2323           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2324    fi
2325    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2326    if test "x$DTRACE" = "xno"; then
2327           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2328           enable_dtrace=no
2329    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2330           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2331           enable_dtrace=no
2332    fi
2333 fi
2334
2335 dtrace_g=no
2336 if test "x$enable_dtrace" = "xyes"; then
2337         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2338         DTRACEFLAGS=
2339         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2340                 case "$host" in
2341                         powerpc-*-darwin*)
2342                         DTRACEFLAGS="-arch ppc64"
2343                         ;;
2344                         i*86-*-darwin*)
2345                         DTRACEFLAGS="-arch x86_64"
2346                         ;;
2347                         *)
2348                         DTRACEFLAGS=-64
2349                         ;;
2350                 esac
2351         else
2352                 case "$host" in
2353                         powerpc-*-darwin*)
2354                         DTRACEFLAGS="-arch ppc"
2355                         ;;
2356                         i*86-*-darwin*)
2357                         DTRACEFLAGS="-arch i386"
2358                         ;;
2359                         *)
2360                         DTRACEFLAGS=-32
2361                         ;;
2362                 esac
2363         fi
2364         AC_SUBST(DTRACEFLAGS)
2365         case "$host" in
2366                 *-*-solaris*)
2367                 dtrace_g=yes
2368                 ;;
2369         esac
2370         AC_CHECK_HEADERS([sys/sdt.h])
2371 fi
2372 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2373 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2374
2375 dnl **************
2376 dnl ***  NaCl  ***
2377 dnl **************
2378
2379 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2380 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2381
2382 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2383
2384 dnl
2385 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2386 dnl
2387 nacl_self_host=""
2388 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2389    nacl_self_host="nacl_self_host"
2390 fi
2391 AC_SUBST(nacl_self_host)
2392
2393 if test "x$enable_nacl_codegen" = "xyes"; then
2394    MONO_NACL_ALIGN_MASK_OFF=1
2395    AC_DEFINE(TARGET_NACL, 1, [...])
2396    AC_DEFINE(__native_client_codegen__, 1, [...])
2397 else
2398    MONO_NACL_ALIGN_MASK_OFF=0
2399    AC_DEFINE(__default_codegen__, 1, [...])
2400 fi
2401 if test "x$enable_nacl_gc" = "xyes"; then
2402    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2403       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2404    else
2405       # Not yet implemented
2406       INSTRUMENT_CFLAG=""
2407    fi
2408    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2409 fi
2410 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2411
2412 dnl **************
2413 dnl ***  LLVM  ***
2414 dnl **************
2415
2416 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2417 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2418 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2419
2420 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2421
2422 if test "x$enable_llvm" = "xyes"; then
2423    if test "x$with_llvm" != "x"; then
2424           LLVM_CONFIG=$with_llvm/bin/llvm-config
2425           if test ! -x $LLVM_CONFIG; then
2426                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2427       fi
2428    else
2429       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2430       if test "x$LLVM_CONFIG" = "xno"; then
2431              AC_MSG_ERROR([llvm-config not found.])
2432       fi
2433    fi
2434
2435    llvm_codegen="x86codegen"
2436    case "$target" in
2437    arm*)
2438                 llvm_codegen="armcodegen"
2439                 ;;
2440    esac
2441
2442    # The output of --cflags seems to include optimizations flags too
2443    LLVM_CFLAGS=`$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'`
2444    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2445    # from LLVM classes.
2446    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2447    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2448    # This might include empty lines
2449    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2450    if test "x$host" != "x$target"; then
2451       # No need for jit libs
2452       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2453    else
2454       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2455    fi
2456    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2457
2458    expected_llvm_version="3.4svn-mono-mono/e656cac"
2459
2460    # Should be something like '2.6' or '2.7svn'
2461    llvm_version=`$LLVM_CONFIG --version`
2462    major_version=`echo $llvm_version | cut -c 1`
2463    minor_version=`echo $llvm_version | cut -c 3`
2464    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2465    AC_MSG_CHECKING(LLVM version)
2466    AC_MSG_RESULT($llvm_version)
2467    if echo $llvm_version | grep -q 'mono'; then
2468           if test "x$enable_llvm_version_check" == "xyes"; then
2469                  if test "$llvm_version" != "$expected_llvm_version"; then
2470                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2471                  fi
2472           fi
2473           if test "x$llvm_api_version" = "x"; then
2474                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2475                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2476           else
2477                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2478                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2479           fi
2480    else
2481           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.])
2482    fi
2483
2484    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2485    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2486    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2487
2488    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2489    # llvm's config.h
2490    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2491
2492    AC_SUBST(LLVM_CFLAGS)
2493    AC_SUBST(LLVM_CXXFLAGS)
2494    AC_SUBST(LLVM_LIBS)
2495    AC_SUBST(LLVM_LDFLAGS)
2496    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2497 fi
2498
2499 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2500 if test "x$enable_loadedllvm" = "xyes"; then
2501    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2502 fi
2503 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2504
2505 TARGET="unknown"
2506 ACCESS_UNALIGNED="yes"
2507
2508 JIT_SUPPORTED=no
2509 LIBC="libc.so.6"
2510 INTL="libc.so.6"
2511 SQLITE="libsqlite.so.0"
2512 SQLITE3="libsqlite3.so.0"
2513 X11="libX11.so"
2514 GDKX11="libgdk-x11-2.0.so.0"
2515 GTKX11="libgtk-x11-2.0.so.0"
2516 XINERAMA="libXinerama.so.1"
2517
2518 sizeof_register="SIZEOF_VOID_P"
2519
2520 jit_wanted=true
2521 sgen_supported=false
2522 boehm_supported=true
2523 case "$host" in
2524         mips*)
2525                 TARGET=MIPS;
2526                 arch_target=mips;
2527                 sgen_supported=true
2528                 ACCESS_UNALIGNED="no"
2529                 JIT_SUPPORTED=yes
2530
2531                 AC_MSG_CHECKING(for mips n32)
2532                 AC_TRY_COMPILE([],[
2533                 #if _MIPS_SIM != _ABIN32
2534                 #error Not mips n32
2535                 #endif
2536                 return 0;
2537                 ],[
2538                 AC_MSG_RESULT(yes)
2539                 sizeof_register=8
2540                 ],[
2541                 AC_MSG_RESULT(no)
2542                 ])
2543                 ;;
2544         i*86-*-*)
2545                 TARGET=X86;
2546                 arch_target=x86;
2547                 JIT_SUPPORTED=yes
2548                 case $host_os in
2549                   solaris*)
2550                         LIBC="libc.so"
2551                         INTL="libintl.so"
2552                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2553                                 TARGET=AMD64
2554                                 arch_target=amd64
2555                         fi
2556
2557                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2558                         # int astruct __attribute__ ((visibility ("hidden")));
2559                         # void foo ()
2560                         # {
2561                         #       void *p = &astruct;
2562                         # }
2563                         # gcc -fPIC --shared -o libfoo.so foo.c
2564                         # yields:
2565                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2566                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2567                         have_visibility_hidden=no
2568                         sgen_supported=true
2569                         ;;
2570                   mingw*|cygwin*)
2571                         sgen_supported=true
2572                         have_visibility_hidden=no
2573                         ;;
2574                   haiku*)
2575                         LIBC=libroot.so
2576                         ;;
2577                   linux*)
2578                         sgen_supported=true
2579                         AOT_SUPPORTED="yes"
2580                         ;;
2581                   darwin*)
2582                         sgen_supported=true
2583                         AOT_SUPPORTED="yes"
2584                         ;;
2585                   openbsd*|freebsd*|kfreebsd-gnu*)
2586                         sgen_supported=true
2587                         ;;
2588                 esac
2589                 ;;
2590         x86_64-*-* | amd64-*-*)
2591                 TARGET=AMD64;
2592                 arch_target=amd64;
2593                 JIT_SUPPORTED=yes
2594                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2595                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2596                         sizeof_register=8
2597                 fi
2598                 case $host_os in
2599                   linux*)
2600                         sgen_supported=true
2601                         AOT_SUPPORTED="yes"
2602                         ;;
2603                   darwin*)
2604                         sgen_supported=true
2605                         AOT_SUPPORTED="yes"
2606                         ;;
2607                   openbsd*|freebsd*|kfreebsd-gnu*)
2608                         sgen_supported=true
2609                         ;;
2610                   mingw*)
2611                         sgen_supported=true
2612                         ;;
2613                 esac
2614                 case "$host" in
2615                         x86_64-*-nacl*)
2616                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2617                                 sizeof_register=8
2618                                 ;;
2619                 esac
2620                 ;;
2621         ia64-*-*)
2622                 TARGET=IA64
2623                 arch_target=ia64
2624                 ACCESS_UNALIGNED="no"
2625                 JIT_SUPPORTED=yes
2626                 LIBC="libc.so.6.1"
2627                 INTL="libc.so.6.1"
2628                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2629                 libmono_ldflags="-lunwind"
2630                 ;;
2631         sparc*-*-*)
2632                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2633                    TARGET=SPARC64
2634                 else
2635                         TARGET=SPARC
2636                 fi
2637                 arch_target=sparc;
2638                 JIT_SUPPORTED=yes
2639                 ACCESS_UNALIGNED="no"
2640                 case $host_os in
2641                   linux*) ;;
2642                   *)
2643                         LIBC="libc.so"
2644                         INTL="libintl.so"
2645                 esac
2646                 if test x"$GCC" = xyes; then
2647                         # We don't support v8 cpus
2648                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2649                 fi
2650                 if test x"$AR" = xfalse; then
2651                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2652                 fi
2653                 sgen_supported=true
2654                 ;;
2655         *-mingw*|*-*-cygwin*)
2656                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2657                 have_visibility_hidden=no
2658                 INTL="intl"
2659                 ;;
2660         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2661         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2662                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2663                         TARGET=POWERPC64;
2664                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2665                         CFLAGS="$CFLAGS -mminimal-toc"
2666                 else
2667                         TARGET=POWERPC;
2668                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2669                 fi
2670                 arch_target=ppc;
2671                 JIT_SUPPORTED=yes
2672                 case $host_os in
2673                   linux*|darwin*)
2674                         sgen_supported=true
2675                         ;;
2676                 esac
2677                 ;;
2678         arm*-darwin*)
2679                 TARGET=ARM;
2680                 arch_target=arm;
2681                 ACCESS_UNALIGNED="no"
2682                 JIT_SUPPORTED=yes
2683                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2684                 sgen_supported=true
2685                 ;;
2686         arm*-linux*)
2687                 TARGET=ARM;
2688                 arch_target=arm;
2689                 ACCESS_UNALIGNED="no"
2690                 JIT_SUPPORTED=yes
2691                 sgen_supported=true
2692                 AOT_SUPPORTED="yes"
2693                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2694                 ;;
2695 # TODO: make proper support for NaCl host.
2696 #        arm*-*nacl)
2697 #               TARGET=ARM;
2698 #               arch_target=arm;
2699 #               ACCESS_UNALIGNED="no"
2700 #               JIT_SUPPORTED=yes
2701 #               sgen_supported=true
2702 #               AOT_SUPPORTED="no"
2703 #               ;;
2704         aarch64-*)
2705                 # https://lkml.org/lkml/2012/7/15/133
2706                 TARGET=ARM64
2707                 arch_target=arm64
2708                 JIT_SUPPORTED=yes
2709                 sgen_supported=true
2710                 boehm_supported=false
2711                 ;;
2712         s390x-*-linux*)
2713                 TARGET=S390X;
2714                 arch_target=s390x;
2715                 ACCESS_UNALIGNED="yes"
2716                 JIT_SUPPORTED=yes
2717                 sgen_supported=true
2718                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2719                 ;;
2720 esac
2721
2722 HOST=$TARGET
2723
2724 if test "x$host" != "x$target"; then
2725    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2726    enable_mcs_build=no
2727    case "$target" in
2728    arm*-darwin*)
2729                 TARGET=ARM;
2730                 arch_target=arm;
2731                 ACCESS_UNALIGNED="no"
2732                 JIT_SUPPORTED=yes
2733                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2734                 jit_wanted=true
2735                 # Can't use tls, since it depends on the runtime detection of tls offsets
2736                 # in mono-compiler.h
2737                 with_tls=pthread
2738                 ;;
2739    powerpc64-ps3-linux-gnu)
2740                 TARGET=POWERPC64
2741                 arch_target=powerpc64
2742                 AC_DEFINE(TARGET_PS3, 1, [...])
2743                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2744                 # uses this define
2745                 AC_DEFINE(__mono_ppc64__, 1, [...])
2746                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2747                 sizeof_register=8
2748                 target_byte_order=G_BIG_ENDIAN
2749                 ;;
2750    powerpc64-xbox360-linux-gnu)
2751                 TARGET=POWERPC64
2752                 arch_target=powerpc64
2753                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2754                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2755                 # uses this define
2756                 sizeof_register=8
2757                 target_byte_order=G_BIG_ENDIAN
2758                 ;;
2759    x86_64-*-nacl)
2760                 TARGET=AMD64
2761                 arch_target=amd64
2762                 AC_DEFINE(TARGET_AMD64, 1, [...])
2763                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2764                 sizeof_register=8
2765                 ;;
2766 # TODO: make proper support for NaCl target.
2767 #   arm*-*nacl)
2768 #               TARGET=ARM
2769 #               arch_target=arm
2770 #               AC_DEFINE(TARGET_ARM, 1, [...])
2771 #               ACCESS_UNALIGNED="no"
2772 #               JIT_SUPPORTED=yes
2773 #               sizeof_register=4
2774 #               CPPFLAGS="$CPPFLAGS \
2775 #                    -D__ARM_EABI__ \
2776 #                    -D__arm__ \
2777 #                    -D__portable_native_client__ \
2778 #                    -Dtimezone=_timezone \
2779 #                    -DDISABLE_SOCKETS \
2780 #                    -DDISABLE_ATTACH \
2781 #                    -DUSE_NEWLIB"
2782 #               jit_wanted=true
2783                 # Can't use tls, since it depends on the runtime detection of tls offsets
2784                 # in mono-compiler.h
2785 #               with_tls=pthread
2786 #               ;;
2787    i686-*-nacl)
2788                 TARGET=X86
2789                 arch_target=x86
2790                 AC_DEFINE(TARGET_X86, 1, [...])
2791                 sizeof_register=4
2792                 ;;
2793    arm*-linux-*)
2794                 TARGET=ARM;
2795                 arch_target=arm;
2796                 AC_DEFINE(TARGET_ARM, 1, [...])
2797                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2798                 ACCESS_UNALIGNED="no"
2799                 JIT_SUPPORTED=yes
2800                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2801                 jit_wanted=true
2802                 # Can't use tls, since it depends on the runtime detection of tls offsets
2803                 # in mono-compiler.h
2804                 with_tls=pthread
2805                 target_mach=no
2806                 case "$target" in
2807                 armv7l-unknown-linux-gnueabi*)
2808                         # TEGRA
2809                         CPPFLAGS="$CPPFLAGS"
2810                         ;;
2811                 armv5-*-linux-androideabi*)
2812                         CPPFLAGS="$CPPFLAGS"
2813                         ;;
2814                 esac
2815                 ;;
2816    i686*-linux-*)
2817                 TARGET=X86;
2818                 arch_target=x86;
2819                 AC_DEFINE(TARGET_X86, 1, [...])
2820                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2821                 JIT_SUPPORTED=yes
2822                 CPPFLAGS="$CPPFLAGS"
2823                 jit_wanted=true
2824                 sgen_supported=true
2825                 # Can't use tls, since it depends on the runtime detection of tls offsets
2826                 # in mono-compiler.h
2827                 with_tls=pthread
2828                 target_mach=no
2829                 ;;
2830         aarch64-*)
2831                 TARGET=ARM64
2832                 JIT_SUPPORTED=yes
2833                 jit_wanted=true
2834                 ;;
2835         *)
2836                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2837         esac
2838 fi
2839
2840 case "$TARGET" in
2841 X86)
2842         AC_DEFINE(TARGET_X86, 1, [...])
2843         ;;
2844 AMD64)
2845         AC_DEFINE(TARGET_AMD64, 1, [...])
2846         ;;
2847 ARM)
2848         AC_DEFINE(TARGET_ARM, 1, [...])
2849         ;;
2850 ARM64)
2851         AC_DEFINE(TARGET_ARM64, 1, [...])
2852         ;;
2853 POWERPC)
2854         AC_DEFINE(TARGET_POWERPC, 1, [...])
2855         ;;
2856 POWERPC64)
2857         AC_DEFINE(TARGET_POWERPC, 1, [...])
2858         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2859         ;;
2860 S390X)
2861         AC_DEFINE(TARGET_S390X, 1, [...])
2862         ;;
2863 MIPS)
2864         AC_DEFINE(TARGET_MIPS, 1, [...])
2865         ;;
2866 IA64)
2867         AC_DEFINE(TARGET_IA64, 1, [...])
2868         ;;
2869 SPARC)
2870         AC_DEFINE(TARGET_SPARC, 1, [...])
2871         ;;
2872 SPARC64)
2873         AC_DEFINE(TARGET_SPARC64, 1, [...])
2874         ;;
2875 esac
2876
2877 dnl Use GCC atomic ops if they work on the target.
2878 if test x$GCC = "xyes"; then
2879         case $TARGET in
2880         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2881                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2882                 ;;
2883         esac
2884 fi
2885
2886 if test "x$target_mach" = "xyes"; then
2887    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2888           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2889           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2890           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2891    else
2892        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2893        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2894        #error fail this for ios
2895        #endif
2896        return 0;
2897        ], [
2898                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2899           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2900           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2901        ], [
2902           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2903           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2904           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2905        ])
2906         fi
2907    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2908 fi
2909
2910 if test "x$sizeof_register" = "x4"; then
2911    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2912 elif test "x$sizeof_register" = "x8"; then
2913    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2914 else
2915    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2916 fi
2917
2918 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2919    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2920 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2921    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2922 else
2923    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2924 fi
2925
2926 if test "x$have_visibility_hidden" = "xyes"; then
2927    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2928 fi
2929
2930 if test "x$have_deprecated" = "xyes"; then
2931    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2932 fi
2933
2934 dnl
2935 dnl Simple Generational checks (sgen)
2936 dnl
2937 if $sgen_supported; then
2938    build_sgen_default=yes
2939 else
2940    build_sgen_default=no
2941 fi
2942 SGEN_DEFINES=
2943 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2944 if test x$buildsgen = xyes; then
2945    if $sgen_supported; then
2946        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2947        gc_msg="sgen and $gc_msg"
2948    else
2949        buildsgen=no
2950        AC_MSG_WARN("Sgen is not supported on this platform")
2951    fi
2952 fi
2953 AC_SUBST(SGEN_DEFINES)
2954 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2955
2956 USEJIT=false
2957 if test x$JIT_SUPPORTED = xyes; then
2958    if $jit_wanted; then
2959       USEJIT=true
2960       jit_status="Building and using the JIT"
2961    else
2962       AC_ERROR(No JIT support available or selected.)
2963    fi
2964 else
2965    AC_ERROR(No JIT support available or selected.)
2966 fi
2967
2968 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2969
2970 libsuffix=".so"
2971
2972 case "$host" in
2973      *-*-darwin*)
2974         libsuffix=".dylib"
2975         LIBC="libc.dylib"
2976         INTL="libintl.dylib"
2977         SQLITE="libsqlite.0.dylib"
2978         SQLITE3="libsqlite3.0.dylib"
2979         X11="libX11.dylib"
2980         GDKX11="libgdk-x11-2.0.dylib"
2981         GTKX11="libgtk-x11-2.0.dylib"
2982         ;;
2983      *-*-*netbsd*)
2984         LIBC="libc.so.12"
2985         INTL="libintl.so.0"
2986         ;;
2987      *-*-kfreebsd*-gnu)
2988         LIBC="libc.so.0.1"
2989         INTL="libc.so.0.1"
2990         X11="libX11.so.6"
2991         ;;
2992     *-*-*freebsd*)
2993         LIBC="libc.so"
2994         INTL="libintl.so"
2995         SQLITE="libsqlite.so"
2996         SQLITE3="libsqlite3.so"
2997         ;;
2998     *-*-*openbsd*)
2999         LIBC="libc.so"
3000         INTL="libintl.so"
3001         SQLITE="libsqlite.so"
3002         SQLITE3="libsqlite3.so"
3003         ;;
3004     *-*-*linux*)
3005         AC_PATH_X
3006         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3007         AC_MSG_CHECKING(for the soname of libX11.so)
3008         for i in $x_libraries $dlsearch_path; do
3009                 for r in 4 5 6; do
3010                         if test -f $i/libX11.so.$r; then
3011                                 X11=libX11.so.$r
3012                                 AC_MSG_RESULT($X11)
3013                         fi
3014                 done
3015         done
3016
3017         if test "x$X11" = "xlibX11.so"; then
3018                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3019                 X11=libX11.so.6
3020         fi
3021         ;;
3022 esac
3023
3024
3025 AC_SUBST(libsuffix)
3026
3027 AC_ARG_WITH([libgdiplus],
3028         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3029         [], [with_libgdiplus=installed])
3030
3031 # default install location
3032 libgdiplus_install_loc=libgdiplus${libsuffix}
3033 case $with_libgdiplus in
3034     no|installed)
3035     libgdiplus_loc=
3036     ;;
3037
3038     yes|sibling)
3039     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3040     ;;
3041
3042     /*) # absolute path, assume it is an install location
3043     libgdiplus_loc=$with_libgdiplus
3044     libgdiplus_install_loc=$with_libgdiplus
3045     ;;
3046
3047     *)
3048     libgdiplus_loc=`pwd`/$with_libgdiplus
3049     ;;
3050 esac
3051 AC_SUBST([libgdiplus_loc])
3052 AC_SUBST([libgdiplus_install_loc])
3053
3054 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3055 if test "x$icall_symbol_map" = "xyes"; then
3056    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3057 fi
3058
3059 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3060 if test "x$icall_export" = "xyes"; then
3061    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3062 fi
3063
3064 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3065 if test "x$icall_tables" = "xno"; then
3066    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3067 fi
3068
3069 if test "x$with_tls" = "x__thread"; then
3070         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3071         # Pass the information to libgc
3072         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3073         AC_MSG_CHECKING(if the tls_model attribute is supported)
3074         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3075                 ], [
3076                         AC_MSG_RESULT(yes)
3077                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3078                 ], [
3079                         AC_MSG_RESULT(no)
3080         ])
3081 fi
3082
3083 if test ${TARGET} = ARM; then
3084         dnl ******************************************
3085         dnl *** Check to see what FPU is available ***
3086         dnl ******************************************
3087         AC_MSG_CHECKING(which FPU to use)
3088
3089         #
3090         # This is a bit tricky:
3091         #
3092         # if (__ARM_PCS_VFP) {
3093         #       /* mfloat-abi=hard == VFP with hard ABI */
3094         # } elif (!__SOFTFP__) {
3095         #       /* mfloat-abi=softfp == VFP with soft ABI */
3096         # } else {
3097         #       /* mfloat-abi=soft == no VFP */
3098         # }
3099         #
3100         # The exception is iOS (w/ GCC) where none of the above
3101         # are defined (but iOS always uses the 'softfp' ABI).
3102         #
3103         # No support for FPA.
3104         #
3105
3106         fpu=NONE
3107
3108         # iOS GCC always uses the 'softfp' ABI.
3109         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3110                 fpu=VFP
3111         fi
3112
3113         # Are we using the 'hard' ABI?
3114         if test x$fpu = xNONE; then
3115                 AC_TRY_COMPILE([], [
3116                         #ifndef __ARM_PCS_VFP
3117                         #error "Float ABI is not 'hard'"
3118                         #endif
3119                         return 0;
3120                 ], [
3121                         fpu=VFP_HARD
3122                 ], [
3123                         fpu=NONE
3124                 ])
3125         fi
3126
3127         # No 'hard' ABI. 'soft' or 'softfp'?
3128         if test x$fpu = xNONE; then
3129                 AC_TRY_COMPILE([], [
3130                         #ifdef __SOFTFP__
3131                         #error "Float ABI is not 'softfp'"
3132                         #endif
3133                         return 0;
3134                 ], [
3135                         fpu=VFP
3136                 ], [
3137                         fpu=NONE
3138                 ])
3139         fi
3140
3141         AC_MSG_RESULT($fpu)
3142         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3143         unset fpu
3144
3145         dnl *********************************************
3146         dnl *** Check which ARM version(s) we can use ***
3147         dnl *********************************************
3148         AC_MSG_CHECKING(which ARM version to use)
3149
3150         AC_TRY_COMPILE([], [
3151                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3152                 #error Not on ARM v5.
3153                 #endif
3154                 return 0;
3155         ], [
3156                 arm_v5=yes
3157
3158                 arm_ver=ARMv5
3159         ], [])
3160
3161         AC_TRY_COMPILE([], [
3162                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3163                 #error Not on ARM v6.
3164                 #endif
3165                 return 0;
3166         ], [
3167                 arm_v5=yes
3168                 arm_v6=yes
3169
3170                 arm_ver=ARMv6
3171         ], [])
3172
3173         AC_TRY_COMPILE([], [
3174                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3175                 #error Not on ARM v7.
3176                 #endif
3177                 return 0;
3178         ], [
3179                 arm_v5=yes
3180                 arm_v6=yes
3181                 arm_v7=yes
3182
3183                 arm_ver=ARMv7
3184         ], [])
3185
3186         AC_MSG_RESULT($arm_ver)
3187
3188         if test x$arm_v5 = xyes; then
3189                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3190                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3191         fi
3192
3193         if test x$arm_v6 = xyes; then
3194                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3195                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3196         fi
3197
3198         if test x$arm_v7 = xyes; then
3199                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3200                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3201         fi
3202 fi
3203
3204 if test ${TARGET} = ARM; then
3205         if test "x${with_jumptables}" = "xyes"; then
3206                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3207         fi
3208 fi
3209
3210 if test ${TARGET} = unknown; then
3211         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3212         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3213 fi
3214
3215 if test ${ACCESS_UNALIGNED} = no; then
3216         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3217 fi
3218
3219 case "x$libgc" in
3220         xincluded)
3221                 # Pass CPPFLAGS to libgc configure
3222                 # We should use a separate variable for this to avoid passing useless and
3223                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3224                 # This should be executed late so we pick up the final version of CPPFLAGS
3225                 # The problem with this approach, is that during a reconfigure, the main
3226                 # configure scripts gets invoked with these arguments, so we use separate
3227                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3228                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3229                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3230                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3231                 fi
3232                 # Don't pass -finstrument-for-thread-suspension in,
3233                 # if these are instrumented it will be very bad news
3234                 # (infinite recursion, undefined parking behavior, etc)
3235                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3236                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3237                 if test "x$support_boehm" = "xyes"; then
3238                         AC_CONFIG_SUBDIRS(libgc)
3239                 fi
3240                 ;;
3241 esac
3242
3243 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])
3244 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3245 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])
3246 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3247 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3248 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3249
3250 OPROFILE=no
3251 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3252         if test x$with_oprofile != xno; then
3253             oprofile_include=$with_oprofile/include
3254             if test ! -f $oprofile_include/opagent.h; then
3255                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3256                 fi
3257             OPROFILE=yes
3258                 OPROFILE_CFLAGS="-I$oprofile_include"
3259             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3260             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3261         fi
3262 ])
3263
3264 MALLOC_MEMPOOLS=no
3265 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3266         if test x$with_malloc_mempools = xyes; then
3267                 MALLOC_MEMPOOLS=yes
3268                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3269         fi
3270 ])
3271
3272
3273 DISABLE_MCS_DOCS=no
3274 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3275         if test x$with_mcs_docs != xyes; then
3276                 DISABLE_MCS_DOCS=yes
3277         fi
3278 ])
3279 if test x$with_profile4 != xyes; then
3280         DISABLE_MCS_DOCS=yes
3281 fi
3282
3283 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)],[
3284         if test x$with_lazy_gc_thread_creation != xno ; then
3285                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3286         fi
3287 ], [with_lazy_gc_thread_creation=no])
3288
3289 AC_CHECK_HEADER([malloc.h],
3290                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3291                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3292
3293 if test x"$GCC" = xyes; then
3294         # Implicit function declarations are not 64 bit safe
3295         # Do this late, since this causes lots of configure tests to fail
3296         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3297         # jay has a lot of implicit declarations
3298         JAY_CFLAGS="-Wno-implicit-function-declaration"
3299 fi
3300
3301 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3302 # instead of libmono-static.a
3303 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3304    LIBMONO_LA=libmini-static.la
3305 else
3306    if test x$buildsgen = xyes; then
3307       LIBMONO_LA=libmonosgen-$API_VER.la
3308    else
3309       LIBMONO_LA=libmonoboehm-$API_VER.la
3310    fi
3311 fi
3312 AC_SUBST(LIBMONO_LA)
3313
3314 dnl
3315 dnl Consistency settings
3316 dnl
3317 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3318    DISABLE_MCS_DOCS=yes
3319    with_profile2=no
3320    with_profile4=no
3321    with_profile4_5=no
3322    with_monodroid=no
3323    with_monotouch=no
3324    with_xammac=no
3325 fi
3326
3327 if test x$DISABLE_MCS_DOCS = xyes; then
3328    docs_dir=""
3329 else
3330    docs_dir=docs
3331 fi
3332 AC_SUBST(docs_dir)
3333
3334 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3335 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3336
3337 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3338 AC_SUBST(OPROFILE_CFLAGS)
3339 AC_SUBST(OPROFILE_LIBS)
3340
3341 libmono_ldflags="$libmono_ldflags $LIBS"
3342
3343 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3344 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3345 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3346 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3347 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3348 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3349 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3350 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3351
3352 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3353 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3354 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3355 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3356 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3357 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3358 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3359 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3360 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3361 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3362 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3363 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3364 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3365 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3366 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3367 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3368 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3369 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3370
3371 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3372 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3373
3374 AC_SUBST(LIBC)
3375 AC_SUBST(INTL)
3376 AC_SUBST(SQLITE)
3377 AC_SUBST(SQLITE3)
3378 AC_SUBST(X11)
3379 AC_SUBST(GDKX11)
3380 AC_SUBST(GTKX11)
3381 AC_SUBST(XINERAMA)
3382 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3383 AC_SUBST(arch_target)
3384 AC_SUBST(CFLAGS)
3385 AC_SUBST(CPPFLAGS)
3386 AC_SUBST(LDFLAGS)
3387
3388 mono_build_root=`pwd`
3389 AC_SUBST(mono_build_root)
3390
3391 mono_runtime=mono/mini/mono
3392 AC_SUBST(mono_runtime)
3393
3394 mono_cfg_root=$mono_build_root/runtime
3395 if test x$host_win32 = xyes; then
3396   if test "x$cross_compiling" = "xno"; then
3397     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3398   else
3399     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3400   fi
3401 else
3402   mono_cfg_dir=$mono_cfg_root/etc
3403 fi
3404 AC_SUBST(mono_cfg_dir)
3405
3406 AC_CONFIG_FILES([po/mcs/Makefile.in])
3407
3408 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3409 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3410
3411 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3412 [   depth=../../../..
3413     case $srcdir in
3414     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3415     .) reldir=$depth ;;
3416     *) reldir=$depth/$srcdir ;;
3417     esac
3418     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3419     cd runtime/etc/mono/1.0
3420     rm -f machine.config
3421     $LN_S $reldir/data/net_1_1/machine.config machine.config
3422     cd $depth
3423 ],[LN_S='$LN_S'])
3424
3425 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3426 [   depth=../../../..
3427     case $srcdir in
3428     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3429     .) reldir=$depth ;;
3430     *) reldir=$depth/$srcdir ;;
3431     esac
3432     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3433     cd runtime/etc/mono/2.0
3434     rm -f machine.config
3435     $LN_S $reldir/data/net_2_0/machine.config machine.config
3436     cd $depth
3437 ],[LN_S='$LN_S'])
3438
3439 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3440 [   depth=../../../..
3441     case $srcdir in
3442     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3443     .) reldir=$depth ;;
3444     *) reldir=$depth/$srcdir ;;
3445     esac
3446     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3447     cd runtime/etc/mono/2.0
3448     rm -f web.config
3449     $LN_S $reldir/data/net_2_0/web.config web.config
3450     cd $depth
3451 ],[LN_S='$LN_S'])
3452
3453 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3454 [   depth=../../..
3455     case $srcdir in
3456     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3457     .) reldir=$depth ;;
3458     *) reldir=$depth/$srcdir ;;
3459     esac
3460     $ac_aux_dir/install-sh -d runtime/etc/mono/
3461     cd runtime/etc/mono/
3462     rm -f browscap.ini
3463     $LN_S $reldir/data/browscap.ini browscap.ini
3464     cd $depth
3465 ],[LN_S='$LN_S'])
3466
3467 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3468 [   depth=../../../../..
3469     case $srcdir in
3470     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3471     .) reldir=$depth ;;
3472     *) reldir=$depth/$srcdir ;;
3473     esac
3474     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3475     cd runtime/etc/mono/2.0/Browsers
3476     rm -f Compat.browser
3477     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3478     cd $depth
3479 ],[LN_S='$LN_S'])
3480
3481 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3482 [   depth=../../../../..
3483     case $srcdir in
3484     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3485     .) reldir=$depth ;;
3486     *) reldir=$depth/$srcdir ;;
3487     esac
3488     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3489     cd runtime/etc/mono/4.0/Browsers
3490     rm -f Compat.browser
3491     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3492     cd $depth
3493 ],[LN_S='$LN_S'])
3494
3495 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3496 [   depth=../../../../..
3497     case $srcdir in
3498     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3499     .) reldir=$depth ;;
3500     *) reldir=$depth/$srcdir ;;
3501     esac
3502     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3503     cd runtime/etc/mono/4.5/Browsers
3504     rm -f Compat.browser
3505     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3506     cd $depth
3507 ],[LN_S='$LN_S'])
3508
3509 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3510 [   depth=../../../..
3511     case $srcdir in
3512     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3513     .) reldir=$depth ;;
3514     *) reldir=$depth/$srcdir ;;
3515     esac
3516     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3517     cd runtime/etc/mono/4.0
3518     rm -f machine.config
3519     $LN_S $reldir/data/net_4_0/machine.config machine.config
3520     cd $depth
3521 ],[LN_S='$LN_S'])
3522
3523 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3524 [   depth=../../../..
3525     case $srcdir in
3526     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3527     .) reldir=$depth ;;
3528     *) reldir=$depth/$srcdir ;;
3529     esac
3530     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3531     cd runtime/etc/mono/4.0
3532     rm -f web.config
3533     $LN_S $reldir/data/net_4_0/web.config web.config
3534     cd $depth
3535 ],[LN_S='$LN_S'])
3536
3537 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3538 [   depth=../../../..
3539     case $srcdir in
3540     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3541     .) reldir=$depth ;;
3542     *) reldir=$depth/$srcdir ;;
3543     esac
3544     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3545     cd runtime/etc/mono/4.5
3546     rm -f machine.config
3547     $LN_S $reldir/data/net_4_5/machine.config machine.config
3548     cd $depth
3549 ],[LN_S='$LN_S'])
3550
3551 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3552 [   depth=../../../..
3553     case $srcdir in
3554     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3555     .) reldir=$depth ;;
3556     *) reldir=$depth/$srcdir ;;
3557     esac
3558     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3559     cd runtime/etc/mono/4.5
3560     rm -f web.config
3561     $LN_S $reldir/data/net_4_5/web.config web.config
3562     cd $depth
3563 ],[LN_S='$LN_S'])
3564
3565 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])
3566
3567 AC_OUTPUT([
3568 Makefile
3569 mono-core.spec
3570 mono-uninstalled.pc
3571 scripts/mono-find-provides
3572 scripts/mono-find-requires
3573 mono/Makefile
3574 mono/utils/Makefile
3575 mono/metadata/Makefile
3576 mono/dis/Makefile
3577 mono/cil/Makefile
3578 mono/arch/Makefile
3579 mono/arch/x86/Makefile
3580 mono/arch/amd64/Makefile
3581 mono/arch/ppc/Makefile
3582 mono/arch/sparc/Makefile
3583 mono/arch/s390x/Makefile
3584 mono/arch/arm/Makefile
3585 mono/arch/arm64/Makefile
3586 mono/arch/ia64/Makefile
3587 mono/arch/mips/Makefile
3588 mono/tests/Makefile
3589 mono/tests/tests-config
3590 mono/tests/assemblyresolve/Makefile
3591 mono/tests/cas/Makefile
3592 mono/tests/cas/assembly/Makefile
3593 mono/tests/cas/demand/Makefile
3594 mono/tests/cas/inheritance/Makefile
3595 mono/tests/cas/linkdemand/Makefile
3596 mono/tests/cas/threads/Makefile
3597 mono/tests/gc-descriptors/Makefile
3598 mono/unit-tests/Makefile
3599 mono/benchmark/Makefile
3600 mono/monograph/Makefile
3601 mono/io-layer/Makefile
3602 mono/mini/Makefile
3603 mono/profiler/Makefile
3604 m4/Makefile
3605 ikvm-native/Makefile
3606 scripts/Makefile
3607 man/Makefile
3608 docs/Makefile
3609 data/Makefile
3610 data/net_2_0/Makefile
3611 data/net_4_0/Makefile
3612 data/net_4_5/Makefile
3613 data/net_2_0/Browsers/Makefile
3614 data/net_4_0/Browsers/Makefile
3615 data/net_4_5/Browsers/Makefile
3616 data/mint.pc
3617 data/mono-2.pc
3618 data/monosgen-2.pc
3619 data/mono.pc
3620 data/mono-cairo.pc
3621 data/mono-nunit.pc
3622 data/mono-options.pc
3623 data/mono-lineeditor.pc
3624 data/monodoc.pc
3625 data/dotnet.pc
3626 data/dotnet35.pc
3627 data/wcf.pc
3628 data/cecil.pc
3629 data/system.web.extensions_1.0.pc
3630 data/system.web.extensions.design_1.0.pc
3631 data/system.web.mvc.pc
3632 data/system.web.mvc2.pc
3633 data/system.web.mvc3.pc
3634 data/aspnetwebstack.pc
3635 data/reactive.pc
3636 samples/Makefile
3637 support/Makefile
3638 data/config
3639 tools/Makefile
3640 tools/locale-builder/Makefile
3641 tools/sgen/Makefile
3642 runtime/Makefile
3643 msvc/Makefile
3644 po/Makefile
3645 ])
3646
3647 # Update all submodules recursively to ensure everything is checked out
3648 $srcdir/scripts/update_submodules
3649
3650 if test x$host_win32 = xyes; then
3651    # Get rid of 'cyg' prefixes in library names
3652    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3653    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3654    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3655    # executable doesn't work...
3656    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3657 fi
3658
3659 if test x$platform_darwin = xyes; then
3660    # This doesn't seem to be required and it slows down parallel builds
3661    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3662 fi
3663
3664 (
3665   case $prefix in
3666   NONE) prefix=$ac_default_prefix ;;
3667   esac
3668   case $exec_prefix in
3669   NONE) exec_prefix='${prefix}' ;;
3670   esac
3671
3672   #
3673   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3674   # any existing config.make.  This allows people to share the same source tree
3675   # with different build directories, one native and one cross
3676   #
3677   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3678
3679     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3680
3681     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3682     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3683     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3684     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3685     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3686     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3687     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3688     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3689
3690     case $INSTALL in
3691     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3692     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3693     esac
3694
3695     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3696
3697     export VERSION
3698     [myver=$($AWK 'BEGIN {
3699       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3700       if(length(vsplit [1]) > 4) {
3701         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3702       }
3703       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3704     }')]
3705
3706     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3707
3708     if test x$platform_darwin = xyes; then
3709       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3710     fi
3711
3712         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3713            enable_system_aot=yes
3714         fi
3715
3716     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3717       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3718     fi
3719
3720     if test x$DISABLE_MCS_DOCS = xyes; then
3721       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3722     fi
3723
3724     if test x$has_extension_module != xno; then
3725         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3726     fi
3727
3728         default_profile=net_2_0
3729     if test -z "$INSTALL_4_0_TRUE"; then :
3730                 default_profile=net_4_0
3731     fi
3732     if test -z "$INSTALL_MONODROID_TRUE"; then :
3733                 default_profile=monodroid
3734     fi
3735     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3736                 default_profile=monotouch
3737     fi
3738         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3739                 default_profile=xammac
3740         fi
3741     if test -z "$INSTALL_4_5_TRUE"; then :
3742                 default_profile=net_4_5
3743     fi
3744
3745     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3746
3747     if test "x$test_bcl_opt" = "xyes"; then
3748       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3749     fi
3750
3751   fi
3752
3753   # if we have an olive folder, override the default settings
3754   if test -d $olivedir; then
3755
3756     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3757
3758       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3759
3760       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3761       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3762       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3763       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3764       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3765       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3766     fi
3767   fi
3768
3769 )
3770
3771 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3772
3773 echo "
3774         mcs source:    $mcsdir
3775
3776    Engine:
3777         Host:          $host
3778         Target:        $target
3779         GC:            $gc_msg
3780         TLS:           $with_tls
3781         SIGALTSTACK:   $with_sigaltstack
3782         Engine:        $jit_status
3783         oprofile:      $OPROFILE
3784         BigArrays:     $enable_big_arrays
3785         DTrace:        $enable_dtrace
3786         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3787
3788    Libraries:
3789         .NET 2.0/3.5:  $with_profile2
3790         .NET 4.0:      $with_profile4
3791         .NET 4.5:      $with_profile4_5
3792         MonoDroid:     $with_monodroid
3793         MonoTouch:     $with_monotouch
3794         Xamarin.Mac:   $with_xammac
3795         JNI support:   $jdk_headers_found
3796         libgdiplus:    $libgdiplus_msg
3797         zlib:          $zlib_msg
3798         $disabled
3799 "
3800 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3801    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3802 fi