configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [3.6.1],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 dnl
  40 dnl libgc checks
  41 dnl
  42
  43 gc_headers=no
  44 gc=included
  45 gc_msg="included Boehm"
  46 use_included_gc=no
  47 libgc_configure_args=
  48
  49 if test -d $srcdir/libgc ; then
  50   gc_default=included
  51 else
  52   gc_default=boehm
  53 fi
  54
  55 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  56 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  57 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  58 CFLAGS_FOR_LIBGC=$CFLAGS
  59 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  60 CFLAGS_FOR_EGLIB=$CFLAGS
  61
  62 # libgc uses some deprecated APIs
  63 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  64
  65 #
  66 # These are the flags that need to be stored in the mono.pc file for
  67 # compiling code that will embed Mono
  68 #
  69 libmono_cflags=""
  70 libmono_ldflags=""
  71 AC_SUBST(libmono_cflags)
  72 AC_SUBST(libmono_ldflags)
  73
  74 # Variable to have relocatable .pc files (lib, or lib64)
  75 reloc_libdir=`basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 dnl if linker handles the version script
  79 no_version_script=no
  80
  81 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  82 need_link_unlink=no
  83
  84 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  85 extra_runtime_ldflags=""
  86
  87 # Thread configuration inspired by sleepycat's db
  88 AC_MSG_CHECKING([host platform characteristics])
  89 libgc_threads=no
  90 has_dtrace=no
  91 parallel_mark=yes
  92 ikvm_native=yes
  93
  94 case "$host" in
  95         powerpc*-*-linux*)
  96                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  97                 disable_munmap=yes
  98         ;;
  99 esac
 100
 101 host_win32=no
 102 target_win32=no
 103 platform_android=no
 104 platform_darwin=no
 105 case "$host" in
 106         *-mingw*|*-*-cygwin*)
 107                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 108                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 109                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 110                 host_win32=yes
 111                 mono_cv_clang=no
 112                 if test "x$cross_compiling" = "xno"; then
 113                         target_win32=yes
 114                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 115                                 AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 116                         fi
 117                 else
 118                         target_win32=yes
 119                         AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32/MinGW])
 120                         AC_DEFINE(MINGW_CROSS_COMPILE,1,[Cross-compiling using MinGW])
 121                 fi
 122                 HOST_CC="gcc"
 123                 # Windows 2000 is required that includes Internet Explorer 5.01
 124                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 125                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32"
 126                 libmono_cflags="-mms-bitfields -mwindows"
 127                 libmono_ldflags="-mms-bitfields -mwindows"
 128                 libdl=
 129                 libgc_threads=win32
 130                 gc_default=included
 131                 with_sigaltstack=no
 132                 LN_S=cp
 133                 # This forces libgc to use the DllMain based thread registration code on win32
 134                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 135                 ;;
 136         *-*-*netbsd*)
 137                 host_win32=no
 138                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 139                 libmono_cflags="-D_REENTRANT"
 140                 LDFLAGS="$LDFLAGS -pthread"
 141                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 142                 libmono_ldflags="-pthread"
 143                 need_link_unlink=yes
 144                 libdl="-ldl"
 145                 libgc_threads=pthreads
 146                 with_sigaltstack=no
 147                 use_sigposix=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 host_win32=no
 151                 if test "x$PTHREAD_CFLAGS" = "x"; then
 152                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 153                         libmono_cflags=
 154                 else
 155                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 156                         libmono_cflags="$PTHREAD_CFLAGS"
 157                 fi
 158                 if test "x$PTHREAD_LIBS" = "x"; then
 159                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 160                         libmono_ldflags="-pthread"
 161                 else
 162                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 163                         libmono_ldflags="$PTHREAD_LIBS"
 164                 fi
 165                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 166                 need_link_unlink=yes
 167                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 168                 libdl=
 169                 libgc_threads=pthreads
 170                 use_sigposix=yes
 171                 has_dtrace=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 host_win32=no
 175                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 176                 if test "x$disable_munmap" != "xyes"; then
 177                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 178                 fi
 179                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 180                 LDFLAGS="$LDFLAGS -pthread"
 181                 need_link_unlink=yes
 182                 AC_DEFINE(PTHREAD_POINTER_ID)
 183                 libdl=
 184                 gc_default=boehm
 185                 libgc_threads=pthreads
 186                 with_sigaltstack=no
 187                 use_sigposix=yes
 188                 ;;
 189         *-*-linux-android*)
 190                 host_win32=no
 191                 platform_android=yes
 192                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 193                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 194
 195                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 196                 if test "x$disable_munmap" != "xyes"; then
 197                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 198                 fi
 199                 libmono_cflags="-D_REENTRANT"
 200                 libdl="-ldl"
 201                 libgc_threads=pthreads
 202                 use_sigposix=yes
 203
 204                 with_tls=pthread
 205                 with_sigaltstack=no
 206                 with_static_mono=no
 207
 208                 # Android doesn't support boehm, as it's missing <link.h>
 209                 support_boehm=no
 210                 with_gc=sgen
 211
 212                 # isinf(3) requires -lm; see isinf check below
 213                 LDFLAGS="$LDFLAGS -lm"
 214
 215                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 216                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 217                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 218                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 219                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 220
 221                 # The configure check can't detect this
 222                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 223
 224                 # to bypass the underscore linker check, can't work when cross-compiling
 225                 mono_cv_uscore=yes
 226                 mono_cv_clang=no
 227                 ;;
 228         *-*-linux*)
 229                 host_win32=no
 230                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 231                 if test "x$disable_munmap" != "xyes"; then
 232                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 233                 fi
 234                 libmono_cflags="-D_REENTRANT"
 235                 libdl="-ldl"
 236                 libgc_threads=pthreads
 237                 use_sigposix=yes
 238                 if test "x$cross_compiling" != "xno"; then
 239                         # to bypass the underscore linker check, not
 240                         # available during cross-compilation
 241                         mono_cv_uscore=no
 242                 fi
 243                 case "$host" in
 244                 aarch64-*)
 245                         support_boehm=no
 246                         with_gc=sgen
 247                         ;;
 248                 esac
 249                 ;;
 250         *-*-nacl*)
 251                 host_win32=no
 252                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 253                 if test "x$disable_munmap" != "xyes"; then
 254                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 255                 fi
 256                 libmono_cflags="-D_REENTRANT"
 257                 libdl=
 258                 libgc_threads=pthreads
 259                 gc_default=boehm
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 host_win32=no
 267                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 268                 # +ESdbgasm only valid on bundled cc on RISC
 269                 # silently ignored for ia64
 270                 if test $GCC != "yes"; then
 271                         CFLAGS="$CFLAGS +ESdbgasm"
 272                         # Arrange for run-time dereferencing of null
 273                         # pointers to produce a SIGSEGV signal.
 274                         LDFLAGS="$LDFLAGS -z"
 275                 fi
 276                 CFLAGS="$CFLAGS +ESdbgasm"
 277                 LDFLAGS="$LDFLAGS -z"
 278                 libmono_cflags="-D_REENTRANT"
 279                 libmono_ldflags="-lpthread"
 280                 libgc_threads=pthreads
 281                 need_link_unlink=yes
 282                 use_sigposix=yes
 283                 ;;
 284         *-*-solaris*)
 285                 host_win32=no
 286                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 287                 need_link_unlink=yes
 288                 libmono_cflags="-D_REENTRANT"
 289                 libgc_threads=pthreads
 290                 # This doesn't seem to work on solaris/x86, but the configure test runs
 291                 with_tls=pthread
 292                 has_dtrace=yes
 293                 use_sigposix=yes
 294                 enable_solaris_tar_check=yes
 295                 ;;
 296         *-*-darwin*)
 297                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 298                 host_win32=no
 299                 platform_darwin=yes
 300                 target_mach=yes
 301                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 302                 CPPFLAGS="$CPPFLAGS -DGetCurrentProcess=MonoGetCurrentProcess -DGetCurrentThread=MonoGetCurrentThread -DCreateEvent=MonoCreateEvent"
 303                 libmono_cflags="-D_THREAD_SAFE"
 304                 need_link_unlink=yes
 305                 AC_DEFINE(PTHREAD_POINTER_ID)
 306                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 307                 no_version_script=yes
 308                 libdl=
 309                 libgc_threads=pthreads
 310                 has_dtrace=yes
 311                 if test "x$cross_compiling" = "xyes"; then
 312                         has_broken_apple_cpp=yes
 313                 fi
 314                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 315                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 316                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 317                 case "$host" in
 318                         dnl Snow Leopard and newer config.guess reports as this
 319                         i*86-*-darwin*)
 320                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 321                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 322                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 323                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 324                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 325                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 326                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 327                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 328                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 329                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 330                                 ;;
 331                         x*64-*-darwin*)
 332                                 ;;
 333                         arm*-darwin*)
 334                                 has_dtrace=no
 335                                 ;;
 336                 esac
 337                 ;;
 338         *-*-haiku*)
 339                 host_win32=no
 340                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 341                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 342                 libdl=
 343                 LIBS="$LIBS -lnetwork"
 344                 need_link_unlink=yes
 345                 AC_DEFINE(PTHREAD_POINTER_ID)
 346                 libgc_threads=pthreads
 347                 use_sigposix=yes
 348                 ;;
 349         *)
 350                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 351                 host_win32=no
 352                 libdl="-ldl"
 353                 ;;
 354 esac
 355 AC_MSG_RESULT(ok)
 356
 357 if test x$need_link_unlink = xyes; then
 358    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 359 fi
 360
 361 AC_SUBST(extra_runtime_ldflags)
 362 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 363 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 364 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 365 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 366 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 367 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 368
 369 AC_CHECK_TOOL(CC, gcc, gcc)
 370 AC_PROG_CC
 371 AC_CHECK_TOOL(CXX, g++, g++)
 372 AC_PROG_CXX
 373 AM_PROG_AS
 374 AC_PROG_INSTALL
 375 AC_PROG_AWK
 376 AM_PROG_CC_C_O
 377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 378 : ${CCAS='$(CC)'}
 379 # Set ASFLAGS if not already set.
 380 : ${CCASFLAGS='$(CFLAGS)'}
 381 AC_SUBST(CCAS)
 382 AC_SUBST(CCASFLAGS)
 383
 384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 386 if test "x$CXX" = "xg++"; then
 387         if test "x$GXX" != "xyes"; then
 388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 389                 # are inside automake conditionals
 390                 AC_MSG_ERROR([You need to install g++])
 391         fi
 392 fi
 393
 394 dnl may require a specific autoconf version
 395 dnl AC_PROG_CC_FOR_BUILD
 396 dnl CC_FOR_BUILD not automatically detected
 397 CC_FOR_BUILD=$CC
 398 CFLAGS_FOR_BUILD=$CFLAGS
 399 BUILD_EXEEXT=
 400 if test "x$cross_compiling" = "xyes"; then
 401         CC_FOR_BUILD=cc
 402         CFLAGS_FOR_BUILD=
 403         BUILD_EXEEXT=""
 404 fi
 405 AC_SUBST(CC_FOR_BUILD)
 406 AC_SUBST(CFLAGS_FOR_BUILD)
 407 AC_SUBST(HOST_CC)
 408 AC_SUBST(BUILD_EXEEXT)
 409
 410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 412
 413 # Set STDC_HEADERS
 414 AC_HEADER_STDC
 415 AC_LIBTOOL_WIN32_DLL
 416 # This causes monodis to not link correctly
 417 #AC_DISABLE_FAST_INSTALL
 418 AM_PROG_LIBTOOL
 419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 420 DOLT
 421
 422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 423 AC_SUBST(export_ldflags)
 424
 425 # Test whenever ld supports -version-script
 426 AC_PROG_LD
 427 AC_PROG_LD_GNU
 428 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 429    no_version_script=yes
 430 fi
 431
 432 AM_ICONV()
 433
 434 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 435
 436 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)
 437 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)
 438 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 439                   [], [], [#include <stddef.h>
 440                   #include <sys/socket.h>
 441                   #include <linux/socket.h>])
 442
 443 AC_CHECK_HEADERS(sys/user.h, [], [],
 444 [
 445 #ifdef HAVE_SYS_PARAM_H
 446 # include <sys/param.h>
 447 #endif
 448 ])
 449
 450 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 451 if test x$have_zlib = xyes; then
 452    AC_TRY_COMPILE([#include <zlib.h>], [
 453    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 454    return 0;
 455    #else
 456    #error No good zlib found
 457    #endif
 458    ],[
 459         AC_MSG_RESULT(Using system zlib)
 460         zlib_msg="system zlib"
 461         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 462    ],[
 463         AC_MSG_RESULT(Using embedded zlib)
 464         have_zlib=no
 465         zlib_msg="bundled zlib"
 466    ])
 467 fi
 468
 469 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 470 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 471
 472 # for mono/metadata/debug-symfile.c
 473 AC_CHECK_HEADERS(elf.h)
 474
 475 # for support
 476 AC_CHECK_HEADERS(poll.h)
 477 AC_CHECK_HEADERS(sys/poll.h)
 478 AC_CHECK_HEADERS(sys/wait.h)
 479 AC_CHECK_HEADERS(grp.h)
 480 AC_CHECK_HEADERS(syslog.h)
 481
 482 # for mono/dis
 483 AC_CHECK_HEADERS(wchar.h)
 484 AC_CHECK_HEADERS(ieeefp.h)
 485 AC_MSG_CHECKING(for isinf)
 486 AC_TRY_LINK([#include <math.h>], [
 487         int f = isinf (1.0);
 488 ], [
 489         AC_MSG_RESULT(yes)
 490         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 491 ], [
 492         # We'll have to use signals
 493         AC_MSG_RESULT(no)
 494 ])
 495 # mingw
 496 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 497         AC_TRY_LINK([#include <math.h>],
 498         [ _finite(0.0); ],
 499         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 500         AC_MSG_RESULT(no)))
 501
 502 # for Linux statfs support
 503 AC_CHECK_HEADERS(linux/magic.h)
 504
 505 # not 64 bit clean in cross-compile
 506 AC_CHECK_SIZEOF(void *, 4)
 507
 508 AC_CACHE_CHECK([for clang],
 509         mono_cv_clang,[
 510         AC_TRY_COMPILE([], [
 511                 #ifdef __clang__
 512                 #else
 513                 #error "FAILED"
 514                 #endif
 515                 return 0;
 516         ],
 517         [mono_cv_clang=yes],
 518         [mono_cv_clang=no],
 519         [])
 520 ])
 521
 522 WARN=''
 523 if test x"$GCC" = xyes; then
 524         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 525                 # The runtime code does not respect ANSI C strict aliasing rules
 526                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 527
 528                 # We rely on signed overflow to behave
 529                 CFLAGS="$CFLAGS -fwrapv"
 530
 531                 ORIG_CFLAGS=$CFLAGS
 532                 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 533                 AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
 534                 AC_TRY_COMPILE([],[
 535                                 return 0;
 536                 ], [
 537                    AC_MSG_RESULT(yes)
 538                 ], [
 539                    AC_MSG_RESULT(no)
 540                    CFLAGS=$ORIG_CFLAGS
 541                 ])
 542
 543                 ORIG_CFLAGS=$CFLAGS
 544                 # Check for the normal version, since gcc ignores unknown -Wno options
 545                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 546                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 547                 AC_TRY_COMPILE([],[
 548                                 return 0;
 549                 ], [
 550                    AC_MSG_RESULT(yes)
 551                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 552                 ], [
 553                    AC_MSG_RESULT(no)
 554                    CFLAGS=$ORIG_CFLAGS
 555                 ])
 556
 557                 if test "x$mono_cv_clang" = "xyes"; then
 558                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 559                    WARN="$WARN -Qunused-arguments"
 560                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 561                 fi
 562 else
 563         # The Sun Forte compiler complains about inline functions that access static variables
 564         # so disable all inlining.
 565         case "$host" in
 566         *-*-solaris*)
 567                 CFLAGS="$CFLAGS -Dinline="
 568                 ;;
 569         esac
 570 fi
 571 CFLAGS="$CFLAGS -g $WARN"
 572 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 573
 574 # Where's the 'mcs' source tree?
 575 if test -d $srcdir/mcs; then
 576   mcsdir=mcs
 577 else
 578   mcsdir=../mcs
 579 fi
 580
 581 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 582         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 583                 mcsdir=$with_mcs_path
 584         fi
 585 )
 586
 587 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 588
 589 #
 590 # A sanity check to catch cases where the package was unpacked
 591 # with an ancient tar program (Solaris)
 592 #
 593 AC_ARG_ENABLE(solaris-tar-check,
 594 [  --disable-solaris-tar-check    disable solaris tar check],
 595    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 596
 597 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 598         AC_MSG_CHECKING(integrity of package)
 599         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 600         then
 601                 AC_MSG_RESULT(ok)
 602         else
 603                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 604                 AC_MSG_ERROR([$errorm])
 605         fi
 606 fi
 607
 608 if test "x$with_mcs_path" != "x"; then
 609 mcs_topdir=$(cd "$mcsdir" && pwd)
 610 mcs_topdir_from_srcdir=$mcs_topdir
 611 else
 612 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 613 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 614 fi
 615
 616 # Convert mcs_topdir* paths to Windows syntax.
 617 if test x$cross_compiling$host_win32 = xnoyes; then
 618   mcs_topdir=$(cygpath -m $mcs_topdir)
 619   case $mcs_topdir_from_srcdir in
 620     /cygdrive/*)
 621         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 622         ;;
 623   esac
 624 fi
 625
 626 AC_SUBST([mcs_topdir])
 627 AC_SUBST([mcs_topdir_from_srcdir])
 628
 629 # Where's the 'olive' source tree?
 630 if test -d $srcdir/olive; then
 631   olivedir=olive
 632 else
 633   olivedir=../olive
 634 fi
 635
 636 if test -d $srcdir/$olivedir; then
 637 olive_topdir='$(top_srcdir)/'$olivedir
 638 fi
 639
 640 # gettext: prepare the translation directories.
 641 # we do not configure the full gettext, as we consume it dynamically from C#
 642 AM_PO_SUBDIRS
 643
 644 if test "x$USE_NLS" = "xyes"; then
 645    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 646
 647    if test "x$HAVE_MSGFMT" = "xno"; then
 648           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 649    fi
 650 fi
 651
 652 AC_ARG_WITH([libgdiplus],
 653         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
 654         [], [with_libgdiplus=installed])
 655
 656 case $with_libgdiplus in
 657 no|installed) libgdiplus_loc= ;;
 658 yes|sibling) libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la ;;
 659 /*) libgdiplus_loc=$with_libgdiplus ;;
 660 *) libgdiplus_loc=`pwd`/$with_libgdiplus ;;
 661 esac
 662 AC_SUBST([libgdiplus_loc])
 663
 664 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 665
 666 pkg_config_path=
 667 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 668         if test x$with_crosspkgdir = "x"; then
 669                 if test -s $PKG_CONFIG_PATH; then
 670                         pkg_config_path=$PKG_CONFIG_PATH
 671                 fi
 672         else
 673                 pkg_config_path=$with_crosspkgdir
 674                 PKG_CONFIG_PATH=$pkg_config_path
 675                 export PKG_CONFIG_PATH
 676         fi
 677 )
 678
 679 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 680 AC_CONFIG_SUBDIRS(eglib)
 681
 682 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 683 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 684 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 685 BUILD_GLIB_LIBS="$GLIB_LIBS"
 686 GMODULE_CFLAGS="$GLIB_CFLAGS"
 687 GMODULE_LIBS="$GLIB_LIBS"
 688
 689 AC_SUBST(GLIB_CFLAGS)
 690 AC_SUBST(GLIB_LIBS)
 691 AC_SUBST(GMODULE_CFLAGS)
 692 AC_SUBST(GMODULE_LIBS)
 693 AC_SUBST(BUILD_GLIB_CFLAGS)
 694 AC_SUBST(BUILD_GLIB_LIBS)
 695
 696 AC_ARG_WITH(gc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[gc=$with_gc],[gc=$gc_default])
 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=$enableval, enable_system_aot=default)
 764
 765 DISABLED_FEATURES=none
 766
 767 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 768      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 769      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 770          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 771 [
 772         for feature in `echo "$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 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 945 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 946
 947 has_extension_module=no
 948 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 949 [
 950         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 951                 if test x$extension = xdefault ; then
 952                         has_extension_module=yes;
 953                 fi
 954         done
 955         if test x$enable_extension_module = xyes; then
 956                 has_extension_module=yes;
 957         fi
 958 ], [])
 959
 960 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 961
 962 if test x$has_extension_module != xno ; then
 963         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 964         AC_MSG_NOTICE([Enabling mono extension module.])
 965 fi
 966
 967 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 968 if test x$enable_gsharing = xyes; then
 969         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 970 fi
 971
 972 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 973 if test x$enable_native_types = xyes; then
 974         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 975 fi
 976
 977 AC_MSG_CHECKING(for visibility __attribute__)
 978 AC_COMPILE_IFELSE([
 979         AC_LANG_SOURCE([[
 980                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 981                 int main () { doit (); return 0; }
 982         ]])
 983 ], [
 984    have_visibility_hidden=yes
 985    AC_MSG_RESULT(yes)
 986 ], [
 987    have_visibility_hidden=no
 988    AC_MSG_RESULT(no)
 989 ])
 990
 991 AC_MSG_CHECKING(for deprecated __attribute__)
 992 AC_TRY_COMPILE([
 993      int doit (void) __attribute__ ((deprecated));
 994      int doit (void) { return 0; }
 995 ], [
 996         return 0;
 997 ], [
 998    have_deprecated=yes
 999    AC_MSG_RESULT(yes)
1000 ], [
1001    have_deprecated=no
1002    AC_MSG_RESULT(no)
1003 ])
1004
1005 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1006 if test x$enable_parallel_mark = xyes; then
1007         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1008 fi
1009
1010 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1011 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1012
1013 dnl
1014 dnl Boehm GC configuration
1015 dnl
1016 LIBGC_CPPFLAGS=
1017 LIBGC_LIBS=
1018 LIBGC_STATIC_LIBS=
1019 libgc_dir=
1020 case "x$gc" in
1021         xboehm|xbohem|xyes)
1022                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1023                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1024
1025                 if test "x$found_boehm" != "xyes"; then
1026                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1027                 fi
1028                 if test "x$gc_headers" != "xyes"; then
1029                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1030                 fi
1031
1032                 LIBGC_LIBS="-lgc $libdl"
1033                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1034                 libmono_ldflags="$libmono_ldflags -lgc"
1035                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1036
1037                 # AC_CHECK_FUNCS does not work for some reason...
1038                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1039                 if test "x$found_gcj_malloc" = "xyes"; then
1040                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1041                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1042                         gc_msg="System Boehm with typed GC"
1043                 else
1044                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1045                         gc_msg="System Boehm (without typed GC)"
1046                 fi
1047                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1048                 if test "x$found_gc_enable" = "xyes"; then
1049                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1050                 fi
1051
1052                 # check whether we need to explicitly allow
1053                 # thread registering
1054                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1055                 if test "x$found_allow_register_threads" = "xyes"; then
1056                         AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1057                 fi
1058
1059                 ;;
1060
1061         xincluded)
1062                 use_included_gc=yes
1063                 libgc_dir=libgc
1064
1065                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1066                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1067                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1068
1069                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1070
1071                 if test x$target_win32 = xyes; then
1072                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1073                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1074                 fi
1075
1076                 gc_msg="bundled Boehm GC with typed GC"
1077                 if test x$enable_parallel_mark = xyes; then
1078                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1079                         gc_msg="$gc_msg and parallel mark"
1080                 else
1081                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1082                 fi
1083                 ;;
1084
1085         xsgen)
1086                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1087                 ;;
1088
1089         xnone)
1090                 AC_MSG_WARN("Compiling mono without GC.")
1091                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1092                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1093                 gc_msg="none"
1094                 ;;
1095         *)
1096                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1097                 ;;
1098 esac
1099
1100 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1101 if test "x$large_heap" = "xyes"; then
1102    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1103 fi
1104
1105 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1106 AC_SUBST(LIBGC_CPPFLAGS)
1107 AC_SUBST(LIBGC_LIBS)
1108 AC_SUBST(LIBGC_STATIC_LIBS)
1109 AC_SUBST(libgc_dir)
1110 AC_SUBST(BOEHM_DEFINES)
1111
1112 dnl
1113 dnl End of libgc checks
1114 dnl
1115
1116 dnl *************************************
1117 dnl *** Checks for zero length arrays ***
1118 dnl *************************************
1119 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1120 AC_TRY_COMPILE([
1121         struct s {
1122                 int  length;
1123                 char data [0];
1124         };
1125 ], [], [
1126         AC_MSG_RESULT(yes)
1127         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1128 ], [
1129         AC_MSG_RESULT(no)
1130         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1131 ])
1132
1133 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1134
1135 if test x$target_win32 = xno; then
1136
1137         dnl hires monotonic clock support
1138         AC_SEARCH_LIBS(clock_gettime, rt)
1139
1140         dnl dynamic loader support
1141         AC_CHECK_FUNC(dlopen, DL_LIB="",
1142                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1143         )
1144         if test x$dl_support = xno; then
1145                 AC_MSG_WARN([No dynamic loading support available])
1146         else
1147                 LIBS="$LIBS $DL_LIB"
1148                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1149                 dnl from glib's configure.ac
1150                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1151                         mono_cv_uscore,[
1152                         AC_TRY_RUN([#include <dlfcn.h>
1153                         int mono_underscore_test (void) { return 42; }
1154                         int main() {
1155                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1156                           handle = dlopen ((void*)0, 0);
1157                           if (handle) {
1158                             f1 = dlsym (handle, "mono_underscore_test");
1159                             f2 = dlsym (handle, "_mono_underscore_test");
1160                           } return (!f2 || f1);
1161                         }],
1162                                 [mono_cv_uscore=yes],
1163                                 [mono_cv_uscore=no],
1164                         [])
1165                 ])
1166                 if test "x$mono_cv_uscore" = "xyes"; then
1167                         MONO_DL_NEED_USCORE=1
1168                 else
1169                         MONO_DL_NEED_USCORE=0
1170                 fi
1171                 AC_SUBST(MONO_DL_NEED_USCORE)
1172                 AC_CHECK_FUNC(dlerror)
1173         fi
1174
1175         dnl ******************************************************************
1176         dnl *** Checks for the IKVM JNI interface library                  ***
1177         dnl ******************************************************************
1178         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])
1179
1180         ikvm_native_dir=
1181         if test x$with_ikvm_native = xyes; then
1182                 ikvm_native_dir=ikvm-native
1183                 jdk_headers_found="IKVM Native"
1184         fi
1185
1186         AC_SUBST(ikvm_native_dir)
1187
1188         AC_CHECK_HEADERS(execinfo.h)
1189
1190         AC_CHECK_HEADERS(sys/auxv.h)
1191
1192         AC_CHECK_FUNCS(getgrgid_r)
1193         AC_CHECK_FUNCS(getgrnam_r)
1194         AC_CHECK_FUNCS(getpwnam_r)
1195         AC_CHECK_FUNCS(getpwuid_r)
1196         AC_CHECK_FUNCS(getresuid)
1197         AC_CHECK_FUNCS(setresuid)
1198         AC_CHECK_FUNCS(kqueue)
1199         AC_CHECK_FUNCS(backtrace_symbols)
1200         AC_CHECK_FUNCS(mkstemp)
1201         AC_CHECK_FUNCS(mmap)
1202         AC_CHECK_FUNCS(madvise)
1203         AC_CHECK_FUNCS(getrusage)
1204         AC_CHECK_FUNCS(getpriority)
1205         AC_CHECK_FUNCS(setpriority)
1206         AC_CHECK_FUNCS(dl_iterate_phdr)
1207         AC_CHECK_FUNCS(dladdr)
1208         AC_CHECK_FUNCS(sysconf)
1209
1210         AC_CHECK_FUNCS(sched_setaffinity)
1211         AC_CHECK_FUNCS(sched_getcpu)
1212
1213         dnl ****************************************************************
1214         dnl *** Check for sched_setaffinity from glibc versions before   ***
1215         dnl *** 2.3.4. The older versions of the function only take 2    ***
1216         dnl *** parameters, not 3.                                       ***
1217         dnl ***                                                          ***
1218         dnl *** Because the interface change was not made in a minor     ***
1219         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1220         dnl *** won't always indicate the interface sched_affinity has.  ***
1221         dnl ****************************************************************
1222         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1223         AC_TRY_COMPILE([#include <sched.h>], [
1224             int mask = 1;
1225             sched_setaffinity(0, &mask);
1226                         return 0;
1227         ], [
1228                 # Yes, we have it...
1229                 AC_MSG_RESULT(yes)
1230                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1231         ], [
1232                 # We have the new, three-parameter version
1233                 AC_MSG_RESULT(no)
1234         ])
1235
1236
1237         dnl ******************************************************************
1238         dnl *** Check for large file support                               ***
1239         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1240         dnl ******************************************************************
1241
1242         # Check that off_t can represent 2**63 - 1 correctly, working around
1243         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1244         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1245         large_offt=no
1246         AC_DEFUN([LARGE_FILES], [
1247                 large_CPPFLAGS=$CPPFLAGS
1248                 CPPFLAGS="$CPPFLAGS $1"
1249                 AC_TRY_COMPILE([
1250                         #include <sys/types.h>
1251                         #include <limits.h>
1252                 ], [
1253                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1254                         #define COMPILE_TIME_ASSERT(pred) \
1255                                 switch(0){case 0:case pred:;}
1256                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1257                 ], [
1258                         AC_MSG_RESULT(ok)
1259                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1260                         large_CPPFLAGS="$large_CPPFLAGS $1"
1261                         large_offt=yes
1262                 ], [
1263                         AC_MSG_RESULT(no)
1264                 ])
1265                 CPPFLAGS=$large_CPPFLAGS
1266         ])
1267
1268         AC_MSG_CHECKING(if off_t is 64 bits wide)
1269         LARGE_FILES("")
1270         if test $large_offt = no; then
1271                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1272                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1273         fi
1274         if test $large_offt = no; then
1275                 AC_MSG_WARN([No 64 bit file size support available])
1276         fi
1277
1278         dnl *****************************
1279         dnl *** Checks for libsocket  ***
1280         dnl *****************************
1281         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1282
1283         case "$host" in
1284                 *-*-*freebsd*)
1285                         dnl *****************************
1286                         dnl *** Checks for libinotify ***
1287                         dnl *****************************
1288                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1289         esac
1290
1291         dnl *******************************
1292         dnl *** Checks for MSG_NOSIGNAL ***
1293         dnl *******************************
1294         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1295         AC_TRY_COMPILE([#include <sys/socket.h>], [
1296                 int f = MSG_NOSIGNAL;
1297         ], [
1298                 # Yes, we have it...
1299                 AC_MSG_RESULT(yes)
1300                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1301         ], [
1302                 # We'll have to use signals
1303                 AC_MSG_RESULT(no)
1304         ])
1305
1306         dnl *****************************
1307         dnl *** Checks for IPPROTO_IP ***
1308         dnl *****************************
1309         AC_MSG_CHECKING(for IPPROTO_IP)
1310         AC_TRY_COMPILE([#include <netinet/in.h>], [
1311                 int level = IPPROTO_IP;
1312         ], [
1313                 # Yes, we have it...
1314                 AC_MSG_RESULT(yes)
1315                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1316         ], [
1317                 # We'll have to use getprotobyname
1318                 AC_MSG_RESULT(no)
1319         ])
1320
1321         dnl *******************************
1322         dnl *** Checks for IPPROTO_IPV6 ***
1323         dnl *******************************
1324         AC_MSG_CHECKING(for IPPROTO_IPV6)
1325         AC_TRY_COMPILE([#include <netinet/in.h>], [
1326                 int level = IPPROTO_IPV6;
1327         ], [
1328                 # Yes, we have it...
1329                 AC_MSG_RESULT(yes)
1330                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1331         ], [
1332                 # We'll have to use getprotobyname
1333                 AC_MSG_RESULT(no)
1334         ])
1335
1336         dnl ******************************
1337         dnl *** Checks for IPPROTO_TCP ***
1338         dnl ******************************
1339         AC_MSG_CHECKING(for IPPROTO_TCP)
1340         AC_TRY_COMPILE([#include <netinet/in.h>], [
1341                 int level = IPPROTO_TCP;
1342         ], [
1343                 # Yes, we have it...
1344                 AC_MSG_RESULT(yes)
1345                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1346         ], [
1347                 # We'll have to use getprotobyname
1348                 AC_MSG_RESULT(no)
1349         ])
1350
1351         dnl *****************************
1352         dnl *** Checks for SOL_IP     ***
1353         dnl *****************************
1354         AC_MSG_CHECKING(for SOL_IP)
1355         AC_TRY_COMPILE([#include <netdb.h>], [
1356                 int level = SOL_IP;
1357         ], [
1358                 # Yes, we have it...
1359                 AC_MSG_RESULT(yes)
1360                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1361         ], [
1362                 # We'll have to use getprotobyname
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl *****************************
1367         dnl *** Checks for SOL_IPV6     ***
1368         dnl *****************************
1369         AC_MSG_CHECKING(for SOL_IPV6)
1370         AC_TRY_COMPILE([#include <netdb.h>], [
1371                 int level = SOL_IPV6;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1376         ], [
1377                 # We'll have to use getprotobyname
1378                 AC_MSG_RESULT(no)
1379         ])
1380
1381         dnl *****************************
1382         dnl *** Checks for SOL_TCP    ***
1383         dnl *****************************
1384         AC_MSG_CHECKING(for SOL_TCP)
1385         AC_TRY_COMPILE([#include <netdb.h>], [
1386                 int level = SOL_TCP;
1387         ], [
1388                 # Yes, we have it...
1389                 AC_MSG_RESULT(yes)
1390                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1391         ], [
1392                 # We'll have to use getprotobyname
1393                 AC_MSG_RESULT(no)
1394         ])
1395
1396         dnl *****************************
1397         dnl *** Checks for IP_PKTINFO ***
1398         dnl *****************************
1399         AC_MSG_CHECKING(for IP_PKTINFO)
1400         AC_TRY_COMPILE([#include <linux/in.h>], [
1401                 int level = IP_PKTINFO;
1402         ], [
1403                 # Yes, we have it...
1404                 AC_MSG_RESULT(yes)
1405                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1406         ], [
1407                 AC_MSG_RESULT(no)
1408         ])
1409
1410         dnl *****************************
1411         dnl *** Checks for IPV6_PKTINFO ***
1412         dnl *****************************
1413         AC_MSG_CHECKING(for IPV6_PKTINFO)
1414         AC_TRY_COMPILE([#include <netdb.h>], [
1415                 int level = IPV6_PKTINFO;
1416         ], [
1417                 # Yes, we have it...
1418                 AC_MSG_RESULT(yes)
1419                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1420         ], [
1421                 AC_MSG_RESULT(no)
1422         ])
1423
1424         dnl **********************************
1425         dnl *** Checks for IP_DONTFRAG     ***
1426         dnl **********************************
1427         AC_MSG_CHECKING(for IP_DONTFRAG)
1428         AC_TRY_COMPILE([#include <netinet/in.h>], [
1429                 int level = IP_DONTFRAG;
1430         ], [
1431                 # Yes, we have it...
1432                 AC_MSG_RESULT(yes)
1433                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1434         ], [
1435                 AC_MSG_RESULT(no)
1436         ])
1437
1438         dnl **********************************
1439         dnl *** Checks for IP_DONTFRAGMENT ***
1440         dnl **********************************
1441         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1442         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1443                 int level = IP_DONTFRAGMENT;
1444         ], [
1445                 # Yes, we have it...
1446                 AC_MSG_RESULT(yes)
1447                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1448         ], [
1449                 AC_MSG_RESULT(no)
1450         ])
1451
1452         dnl **********************************
1453         dnl *** Checks for IP_MTU_DISCOVER ***
1454         dnl **********************************
1455         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1456         AC_TRY_COMPILE([#include <linux/in.h>], [
1457                 int level = IP_MTU_DISCOVER;
1458         ], [
1459                 # Yes, we have it...
1460                 AC_MSG_RESULT(yes)
1461                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1462         ], [
1463                 AC_MSG_RESULT(no)
1464         ])
1465
1466         dnl **********************************
1467         dnl *** Checks for  IP_PMTUDISC_DO ***
1468         dnl **********************************
1469         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1470         AC_TRY_COMPILE([#include <linux/in.h>], [
1471                 int level = IP_PMTUDISC_DO;
1472         ], [
1473                 # Yes, we have it...
1474                 AC_MSG_RESULT(yes)
1475                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1476         ], [
1477                 AC_MSG_RESULT(no)
1478         ])
1479
1480         dnl *********************************
1481         dnl *** Check for struct ip_mreqn ***
1482         dnl *********************************
1483         AC_MSG_CHECKING(for struct ip_mreqn)
1484         AC_TRY_COMPILE([#include <netinet/in.h>], [
1485                 struct ip_mreqn mreq;
1486                 mreq.imr_address.s_addr = 0;
1487         ], [
1488                 # Yes, we have it...
1489                 AC_MSG_RESULT(yes)
1490                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1491         ], [
1492                 # We'll just have to try and use struct ip_mreq
1493                 AC_MSG_RESULT(no)
1494                 AC_MSG_CHECKING(for struct ip_mreq)
1495                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1496                         struct ip_mreq mreq;
1497                         mreq.imr_interface.s_addr = 0;
1498                 ], [
1499                         # Yes, we have it...
1500                         AC_MSG_RESULT(yes)
1501                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1502                 ], [
1503                         # No multicast support
1504                         AC_MSG_RESULT(no)
1505                 ])
1506         ])
1507
1508         dnl **********************************
1509         dnl *** Check for gethostbyname2_r ***
1510         dnl **********************************
1511         AC_MSG_CHECKING(for gethostbyname2_r)
1512                 AC_TRY_LINK([#include <netdb.h>], [
1513                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1514         ], [
1515                 # Yes, we have it...
1516                 AC_MSG_RESULT(yes)
1517                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1518         ], [
1519                 AC_MSG_RESULT(no)
1520         ])
1521
1522         dnl *****************************
1523         dnl *** Checks for libnsl     ***
1524         dnl *****************************
1525         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1526
1527         AC_CHECK_FUNCS(inet_pton inet_aton)
1528
1529         dnl ***********************************************
1530         dnl *** Checks for size of sockaddr_un.sun_path ***
1531         dnl ***********************************************
1532         # AC_CHECK_SIZEOF can't cope with struct members :-(
1533         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
1534         AC_CACHE_VAL(mono_cv_sizeof_sunpath,
1535                 [AC_TRY_RUN([
1536                         #include <sys/types.h>
1537                         #include <stdio.h>
1538                         #include <sys/un.h>
1539
1540                         int main(void) {
1541                                 struct sockaddr_un sock_un;
1542                                 FILE *f=fopen("conftestval", "w");
1543                                 if(!f) exit(1);
1544                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
1545                                 exit(0);
1546                         }
1547                 ], mono_cv_sizeof_sunpath=`cat conftestval`,
1548                    mono_cv_sizeof_sunpath=0,
1549                    mono_cv_sizeof_sunpath=0)])dnl
1550         AC_MSG_RESULT($mono_cv_sizeof_sunpath)
1551         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $mono_cv_sizeof_sunpath, [Sizeof sock_un.sun_path])
1552
1553         dnl *****************************
1554         dnl *** Checks for libxnet    ***
1555         dnl *****************************
1556         case "${host}" in
1557                 *solaris* )
1558                         AC_MSG_CHECKING(for Solaris XPG4 support)
1559                         if test -f /usr/lib/libxnet.so; then
1560                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1561                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1562                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1563                                 LIBS="$LIBS -lxnet"
1564                                 AC_MSG_RESULT(yes)
1565                         else
1566                                 AC_MSG_RESULT(no)
1567                         fi
1568
1569                         if test "$GCC" = "yes"; then
1570                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1571                         fi
1572                 ;;
1573         esac
1574
1575         dnl *****************************
1576         dnl *** Checks for libpthread ***
1577         dnl *****************************
1578 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1579 # and libpthread does not exist
1580 #
1581         case "${host}" in
1582                 *-*-*freebsd*)
1583                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1584                 ;;
1585                 *-*-*openbsd*)
1586                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1587                 ;;
1588                 *)
1589                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1590                 ;;
1591         esac
1592         AC_CHECK_HEADERS(pthread.h)
1593         AC_CHECK_HEADERS(pthread_np.h)
1594         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1595         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1596         AC_CHECK_FUNCS(pthread_kill)
1597         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1598         AC_TRY_COMPILE([ #include <pthread.h>], [
1599                 pthread_mutexattr_t attr;
1600                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1601         ], [
1602                 AC_MSG_RESULT(ok)
1603         ], [
1604                 AC_MSG_RESULT(no)
1605                 AC_ERROR(Posix system lacks support for recursive mutexes)
1606         ])
1607         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1608         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1609         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1610
1611         dnl ***********************************
1612         dnl *** Checks for signals
1613         dnl ***********************************
1614         AC_CHECK_HEADERS(signal.h)
1615         AC_CHECK_FUNCS(sigaction)
1616
1617         dnl ***********************************
1618         dnl *** Checks for working __thread ***
1619         dnl ***********************************
1620         AC_MSG_CHECKING(for working __thread)
1621         if test "x$with_tls" != "x__thread"; then
1622                 AC_MSG_RESULT(disabled)
1623         elif test "x$cross_compiling" = "xyes"; then
1624                 AC_MSG_RESULT(cross compiling, assuming yes)
1625         else
1626                 AC_TRY_RUN([
1627                         #if defined(__APPLE__) && defined(__clang__)
1628                         #error "__thread does not currently work with clang on Mac OS X"
1629                         #endif
1630
1631                         #include <pthread.h>
1632                         __thread int i;
1633                         static int res1, res2;
1634
1635                         void thread_main (void *arg)
1636                         {
1637                                 i = arg;
1638                                 sleep (1);
1639                                 if (arg == 1)
1640                                         res1 = (i == arg);
1641                                 else
1642                                         res2 = (i == arg);
1643                         }
1644
1645                         int main () {
1646                                 pthread_t t1, t2;
1647
1648                                 i = 5;
1649
1650                                 pthread_create (&t1, NULL, thread_main, 1);
1651                                 pthread_create (&t2, NULL, thread_main, 2);
1652
1653                                 pthread_join (t1, NULL);
1654                                 pthread_join (t2, NULL);
1655
1656                                 return !(res1 + res2 == 2);
1657                         }
1658                 ], [
1659                                 AC_MSG_RESULT(yes)
1660                 ], [
1661                                 AC_MSG_RESULT(no)
1662                                 with_tls=pthread
1663                 ])
1664         fi
1665
1666         dnl **************************************
1667         dnl *** Checks for working sigaltstack ***
1668         dnl **************************************
1669         AC_MSG_CHECKING(for working sigaltstack)
1670         if test "x$with_sigaltstack" != "xyes"; then
1671                 AC_MSG_RESULT(disabled)
1672         elif test "x$cross_compiling" = "xyes"; then
1673                 AC_MSG_RESULT(cross compiling, assuming yes)
1674         else
1675                 AC_TRY_RUN([
1676                         #include <stdio.h>
1677                         #include <stdlib.h>
1678                         #include <unistd.h>
1679                         #include <signal.h>
1680                         #include <pthread.h>
1681                         #include <sys/wait.h>
1682                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1683                         #define SA_STACK SA_ONSTACK
1684                         #endif
1685                         static void
1686                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1687                         {
1688                                 exit (0);
1689                         }
1690
1691                         volatile char*__ptr = NULL;
1692                         static void *
1693                         loop (void *ignored)
1694                         {
1695                                 *__ptr = 0;
1696                                 return NULL;
1697                         }
1698
1699                         static void
1700                         child ()
1701                         {
1702                                 struct sigaction sa;
1703                         #ifdef __APPLE__
1704                                 stack_t sas;
1705                         #else
1706                                 struct sigaltstack sas;
1707                         #endif
1708                                 pthread_t id;
1709                                 pthread_attr_t attr;
1710
1711                                 sa.sa_sigaction = sigsegv_signal_handler;
1712                                 sigemptyset (&sa.sa_mask);
1713                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1714                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1715                                         perror ("sigaction");
1716                                         return;
1717                                 }
1718
1719                                 /* x86 darwin deliver segfaults using SIGBUS */
1720                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1721                                         perror ("sigaction");
1722                                         return;
1723                                 }
1724                                 sas.ss_sp = malloc (SIGSTKSZ);
1725                                 sas.ss_size = SIGSTKSZ;
1726                                 sas.ss_flags = 0;
1727                                 if (sigaltstack (&sas, NULL) == -1) {
1728                                         perror ("sigaltstack");
1729                                         return;
1730                                 }
1731
1732                                 pthread_attr_init (&attr);
1733                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1734                                         printf ("pthread_create\n");
1735                                         return;
1736                                 }
1737
1738                                 sleep (100);
1739                         }
1740
1741                         int
1742                         main ()
1743                         {
1744                                 pid_t son;
1745                                 int status;
1746                                 int i;
1747
1748                                 son = fork ();
1749                                 if (son == -1) {
1750                                         return 1;
1751                                 }
1752
1753                                 if (son == 0) {
1754                                         child ();
1755                                         return 0;
1756                                 }
1757
1758                                 for (i = 0; i < 300; ++i) {
1759                                         waitpid (son, &status, WNOHANG);
1760                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1761                                                 return 0;
1762                                         usleep (10000);
1763                                 }
1764
1765                                 kill (son, SIGKILL);
1766                                 return 1;
1767                         }
1768
1769                 ], [
1770                                 AC_MSG_RESULT(yes)
1771                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1772                 ], [
1773                                 with_sigaltstack=no
1774                                 AC_MSG_RESULT(no)
1775                 ])
1776         fi
1777
1778         dnl ********************************
1779         dnl *** Checks for semaphore lib ***
1780         dnl ********************************
1781         # 'Real Time' functions on Solaris
1782         # posix4 on Solaris 2.6
1783         # pthread (first!) on Linux
1784         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1785
1786         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1787         AC_CHECK_FUNCS(shm_open)
1788
1789         dnl ********************************
1790         dnl *** Checks for timezone stuff **
1791         dnl ********************************
1792         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1793                 AC_TRY_COMPILE([
1794                         #include <time.h>
1795                         ], [
1796                         struct tm tm;
1797                         tm.tm_gmtoff = 1;
1798                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1799         if test $ac_cv_struct_tm_gmtoff = yes; then
1800                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1801         else
1802                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1803                         AC_TRY_COMPILE([
1804                                 #include <time.h>
1805                         ], [
1806                                 timezone = 1;
1807                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1808                 if test $ac_cv_var_timezone = yes; then
1809                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1810                 else
1811                         AC_ERROR(unable to find a way to determine timezone)
1812                 fi
1813         fi
1814
1815         dnl *********************************
1816         dnl *** Checks for math functions ***
1817         dnl *********************************
1818         AC_SEARCH_LIBS(sqrtf, m)
1819         if test "x$has_broken_apple_cpp" != "xyes"; then
1820                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1821                         AC_TRY_LINK([#include <math.h>],
1822                         [ finite(0.0); ],
1823                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1824                         AC_MSG_RESULT(no)))
1825         fi
1826         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1827                 AC_TRY_LINK([#include <math.h>],
1828                 [ isfinite(0.0); ],
1829                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1830                 AC_MSG_RESULT(no)))
1831
1832         dnl ****************************************************************
1833         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1834         dnl *** have it in the library (duh))                            ***
1835         dnl ****************************************************************
1836         AC_CHECK_FUNCS(poll)
1837
1838         dnl *************************
1839         dnl *** Check for signbit ***
1840         dnl *************************
1841         AC_MSG_CHECKING(for signbit)
1842         AC_TRY_LINK([#include <math.h>], [
1843                 int s = signbit(1.0);
1844         ], [
1845                 AC_MSG_RESULT(yes)
1846                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1847         ], [
1848                 AC_MSG_RESULT(no)
1849         ])
1850
1851         dnl **********************************
1852         dnl *** epoll                      ***
1853         dnl **********************************
1854         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1855                 AC_CHECK_HEADERS(sys/epoll.h)
1856                 haveepoll=no
1857                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1858                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1859                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1860                 fi
1861         fi
1862
1863         havekqueue=no
1864
1865         AC_CHECK_HEADERS(sys/event.h)
1866         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1867
1868         dnl **************************************
1869         dnl * Darwin has a race that prevents us from using reliably:
1870         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1871         dnl * Since kqueue is mostly used for scaling large web servers,
1872         dnl * and very few folks run Mono on large web servers on OSX, falling
1873         dnl * back
1874         dnl **************************************
1875         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1876                 if test "x$platform_darwin" = "xno"; then
1877                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1878                 fi
1879         fi
1880
1881         dnl ******************************
1882         dnl *** Checks for SIOCGIFCONF ***
1883         dnl ******************************
1884         AC_CHECK_HEADERS(sys/ioctl.h)
1885         AC_CHECK_HEADERS(net/if.h, [], [],
1886            [
1887            #ifdef HAVE_SYS_TYPES_H
1888            # include <sys/types.h>
1889            #endif
1890            #ifdef HAVE_SYS_SOCKET_H
1891            # include <sys/socket.h>
1892            #endif
1893            ])
1894         AC_MSG_CHECKING(for ifreq)
1895         AC_TRY_COMPILE([
1896                 #include <stdio.h>
1897                 #include <sys/ioctl.h>
1898                 #include <net/if.h>
1899                 ], [
1900                 struct ifconf ifc;
1901                 struct ifreq *ifr;
1902                 void *x;
1903                 ifc.ifc_len = 0;
1904                 ifc.ifc_buf = NULL;
1905                 x = (void *) &ifr->ifr_addr;
1906                 ],[
1907                         AC_MSG_RESULT(yes)
1908                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1909                 ], [
1910                         AC_MSG_RESULT(no)
1911                 ])
1912         dnl **********************************
1913         dnl ***     Checks for sin_len     ***
1914         dnl **********************************
1915         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1916         AC_TRY_COMPILE([
1917                 #include <netinet/in.h>
1918                 ], [
1919                 struct sockaddr_in saddr;
1920                 saddr.sin_len = sizeof (saddr);
1921                 ],[
1922                         AC_MSG_RESULT(yes)
1923                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1924                 ], [
1925                         AC_MSG_RESULT(no)
1926                 ])
1927         dnl **********************************
1928         dnl ***    Checks for sin6_len     ***
1929         dnl **********************************
1930         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1931         AC_TRY_COMPILE([
1932                 #include <netinet/in.h>
1933                 ], [
1934                 struct sockaddr_in6 saddr6;
1935                 saddr6.sin6_len = sizeof (saddr6);
1936                 ],[
1937                         AC_MSG_RESULT(yes)
1938                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1939                 ], [
1940                         AC_MSG_RESULT(no)
1941                 ])
1942         dnl **********************************
1943         dnl *** Check for getifaddrs       ***
1944         dnl **********************************
1945         AC_MSG_CHECKING(for getifaddrs)
1946                 AC_TRY_LINK([
1947                 #include <stdio.h>
1948                 #include <sys/types.h>
1949                 #include <sys/socket.h>
1950                 #include <ifaddrs.h>
1951         ], [
1952                 getifaddrs(NULL);
1953         ], [
1954                 # Yes, we have it...
1955                 AC_MSG_RESULT(yes)
1956                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1957         ], [
1958                 AC_MSG_RESULT(no)
1959         ])
1960         dnl **********************************
1961         dnl *** Check for if_nametoindex   ***
1962         dnl **********************************
1963         AC_MSG_CHECKING(for if_nametoindex)
1964                 AC_TRY_LINK([
1965                 #include <stdio.h>
1966                 #include <sys/types.h>
1967                 #include <sys/socket.h>
1968                 #include <net/if.h>
1969         ], [
1970                 if_nametoindex(NULL);
1971         ], [
1972                 # Yes, we have it...
1973                 AC_MSG_RESULT(yes)
1974                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
1975         ], [
1976                 AC_MSG_RESULT(no)
1977         ])
1978
1979         dnl **********************************
1980         dnl *** Checks for MonoPosixHelper ***
1981         dnl **********************************
1982         AC_CHECK_HEADERS(checklist.h)
1983         AC_CHECK_HEADERS(pathconf.h)
1984         AC_CHECK_HEADERS(fstab.h)
1985         AC_CHECK_HEADERS(attr/xattr.h)
1986         AC_CHECK_HEADERS(sys/extattr.h)
1987         AC_CHECK_HEADERS(sys/sendfile.h)
1988         AC_CHECK_HEADERS(sys/statvfs.h)
1989         AC_CHECK_HEADERS(sys/statfs.h)
1990         AC_CHECK_HEADERS(sys/vfstab.h)
1991         AC_CHECK_HEADERS(sys/xattr.h)
1992         AC_CHECK_HEADERS(sys/mman.h)
1993         AC_CHECK_HEADERS(sys/param.h)
1994         AC_CHECK_HEADERS(sys/mount.h, [], [],
1995                 [
1996                 #ifdef HAVE_SYS_PARAM_H
1997                 # include <sys/param.h>
1998                 #endif
1999                 ])
2000         AC_CHECK_HEADERS(sys/mount.h)
2001         AC_CHECK_FUNCS(confstr)
2002         AC_CHECK_FUNCS(seekdir telldir)
2003         AC_CHECK_FUNCS(getdomainname)
2004         AC_CHECK_FUNCS(setdomainname)
2005         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2006         AC_CHECK_FUNCS(setgroups)
2007         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2008         AC_CHECK_FUNCS(getfsstat)
2009         AC_CHECK_FUNCS(lutimes futimes)
2010         AC_CHECK_FUNCS(mremap)
2011         AC_CHECK_FUNCS(remap_file_pages)
2012         AC_CHECK_FUNCS(posix_fadvise)
2013         AC_CHECK_FUNCS(posix_fallocate)
2014         AC_CHECK_FUNCS(posix_madvise)
2015         AC_CHECK_FUNCS(vsnprintf)
2016         AC_CHECK_FUNCS(sendfile)
2017         AC_CHECK_FUNCS(gethostid sethostid)
2018         AC_CHECK_FUNCS(sethostname)
2019         AC_CHECK_FUNCS(statfs)
2020         AC_CHECK_FUNCS(fstatfs)
2021         AC_CHECK_FUNCS(statvfs)
2022         AC_CHECK_FUNCS(fstatvfs)
2023         AC_CHECK_FUNCS(stime)
2024         AC_CHECK_FUNCS(strerror_r)
2025         AC_CHECK_FUNCS(ttyname_r)
2026         AC_CHECK_FUNCS(psignal)
2027         AC_CHECK_FUNCS(getlogin_r)
2028         AC_CHECK_FUNCS(lockf)
2029         AC_CHECK_FUNCS(swab)
2030         AC_CHECK_FUNCS(setusershell endusershell)
2031         AC_CHECK_FUNCS(futimens utimensat)
2032         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2033         AC_CHECK_FUNCS(readv writev preadv pwritev)
2034         AC_CHECK_FUNCS(setpgid)
2035         AC_CHECK_SIZEOF(size_t)
2036         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2037                 [#include <sys/types.h>
2038                  #include <sys/stat.h>
2039                  #include <unistd.h>])
2040         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2041                 [#include <sys/types.h>
2042                  #include <sys/stat.h>
2043                  #include <unistd.h>])
2044         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2045                 [#include <sys/time.h>])
2046         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2047                 [#include <unistd.h>
2048                  #include <fcntl.h>])
2049         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2050                 [#include <sys/uio.h>])
2051         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2052                 [#include <sys/poll.h>])
2053         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2054                 [#include <sys/types.h>
2055                  #include <sys/stat.h>
2056                  #include <unistd.h>])
2057         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2058                 [#include <time.h>])
2059         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2060                 [#include <sys/time.h>
2061                  #include <sys/types.h>
2062                  #include <utime.h>])
2063         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2064                 [#include <sys/time.h>])
2065         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2066                 [#include <sys/types.h>
2067                  #include <utime.h>])
2068         AC_CHECK_MEMBERS(
2069                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2070                 [#include <sys/types.h>
2071                  #include <dirent.h>])
2072         AC_CHECK_MEMBERS(
2073                 [struct passwd.pw_gecos],,,
2074                 [#include <sys/types.h>
2075                  #include <pwd.h>])
2076         AC_CHECK_MEMBERS(
2077                 [struct statfs.f_flags],,,
2078                 [#include <sys/types.h>
2079                  #include <sys/vfs.h>])
2080         AC_CHECK_MEMBERS(
2081                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2082                 [#include <sys/types.h>
2083                  #include <sys/stat.h>
2084                  #include <unistd.h>])
2085
2086         dnl Favour xattr through glibc, but use libattr if we have to
2087         AC_CHECK_FUNC(lsetxattr, ,
2088                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2089         )
2090         AC_SUBST(XATTR_LIB)
2091
2092         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2093         AC_CHECK_MEMBERS(
2094                 [struct kinfo_proc.kp_proc],,,
2095                 [#include <sys/types.h>
2096                  #include <sys/param.h>
2097                  #include <sys/sysctl.h>
2098                  #include <sys/proc.h>
2099                  ])
2100
2101         dnl *********************************
2102         dnl *** Checks for Windows compilation ***
2103         dnl *********************************
2104         AC_CHECK_HEADERS(sys/time.h)
2105         AC_CHECK_HEADERS(sys/param.h)
2106         AC_CHECK_HEADERS(dirent.h)
2107
2108         dnl ******************************************
2109         dnl *** Checks for OSX and iOS compilation ***
2110         dnl ******************************************
2111         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2112
2113         dnl *********************************
2114         dnl *** Check for Console 2.0 I/O ***
2115         dnl *********************************
2116         AC_CHECK_HEADERS([curses.h])
2117         AC_CHECK_HEADERS([term.h], [], [],
2118         [#if HAVE_CURSES_H
2119          #include <curses.h>
2120          #endif
2121         ])
2122         AC_CHECK_HEADERS([termios.h])
2123
2124         dnl * This is provided in io-layer, but on windows it's only available
2125         dnl * on xp+
2126         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2127 else
2128         dnl *********************************
2129         dnl *** Checks for Windows compilation ***
2130         dnl *********************************
2131         AC_CHECK_HEADERS(winternl.h)
2132
2133         jdk_headers_found=no
2134         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2135         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2136         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2137         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2138         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2139         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2140         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2141
2142         dnl *********************************
2143         dnl *** Check for struct ip_mreqn ***
2144         dnl *********************************
2145         AC_MSG_CHECKING(for struct ip_mreqn)
2146         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2147                 struct ip_mreqn mreq;
2148                 mreq.imr_address.s_addr = 0;
2149         ], [
2150                 # Yes, we have it...
2151                 AC_MSG_RESULT(yes)
2152                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2153         ], [
2154                 # We'll just have to try and use struct ip_mreq
2155                 AC_MSG_RESULT(no)
2156                 AC_MSG_CHECKING(for struct ip_mreq)
2157                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2158                         struct ip_mreq mreq;
2159                         mreq.imr_interface.s_addr = 0;
2160                 ], [
2161                         # Yes, we have it...
2162                         AC_MSG_RESULT(yes)
2163                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2164                 ], [
2165                         # No multicast support
2166                         AC_MSG_RESULT(no)
2167                 ])
2168         ])
2169         AC_CHECK_FUNCS(GetProcessId)
2170         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2171         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2172         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2173         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2174         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2175         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2176         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2177 fi
2178
2179 dnl socklen_t check
2180 AC_MSG_CHECKING(for socklen_t)
2181 AC_TRY_COMPILE([
2182 #include <sys/types.h>
2183 #include <sys/socket.h>
2184 ],[
2185   socklen_t foo;
2186 ],[
2187 ac_cv_c_socklen_t=yes
2188         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2189         AC_MSG_RESULT(yes)
2190 ],[
2191         AC_MSG_RESULT(no)
2192 ])
2193
2194 AC_MSG_CHECKING(for array element initializer support)
2195 AC_TRY_COMPILE([#include <sys/socket.h>], [
2196         const int array[] = {[1] = 2,};
2197 ], [
2198         # Yes, we have it...
2199         AC_MSG_RESULT(yes)
2200         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2201 ], [
2202         # We'll have to use signals
2203         AC_MSG_RESULT(no)
2204 ])
2205
2206 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2207         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2208         AC_TRY_LINK([#include <math.h>],
2209         [ static void *p = &trunc; ],
2210         [
2211                 AC_DEFINE(HAVE_TRUNC)
2212                 AC_MSG_RESULT(yes)
2213                 ac_cv_trunc=yes
2214         ],
2215         AC_MSG_RESULT(no)))
2216
2217 if test "x$ac_cv_truncl" != "xyes"; then
2218    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2219 fi
2220
2221 AC_CHECK_FUNCS(round)
2222 AC_CHECK_FUNCS(rint)
2223 AC_CHECK_FUNCS(execvp)
2224
2225 dnl ****************************
2226 dnl *** Look for /dev/random ***
2227 dnl ****************************
2228
2229 AC_MSG_CHECKING([if usage of random device is requested])
2230 AC_ARG_ENABLE(dev-random,
2231 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2232 try_dev_random=$enableval, try_dev_random=yes)
2233
2234 AC_MSG_RESULT($try_dev_random)
2235
2236 case "{$build}" in
2237     *-openbsd*)
2238     NAME_DEV_RANDOM="/dev/srandom"
2239     ;;
2240
2241 dnl Win32 does not have /dev/random, they have their own method...
2242
2243     *-mingw*|*-*-cygwin*)
2244     ac_cv_have_dev_random=no
2245     ;;
2246
2247 dnl Everywhere else, it's /dev/random
2248
2249     *)
2250     NAME_DEV_RANDOM="/dev/random"
2251     ;;
2252 esac
2253
2254 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2255
2256 dnl Now check if the device actually exists
2257
2258 if test "x$try_dev_random" = "xyes"; then
2259     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2260     [if test -r "$NAME_DEV_RANDOM" ; then
2261         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2262     if test "x$ac_cv_have_dev_random" = "xyes"; then
2263         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2264     fi
2265 else
2266     AC_MSG_CHECKING(for random device)
2267     ac_cv_have_dev_random=no
2268     AC_MSG_RESULT(has been disabled)
2269 fi
2270
2271 if test "x$host_win32" = "xyes"; then
2272     AC_DEFINE(HAVE_CRYPT_RNG)
2273 fi
2274
2275 if test "x$ac_cv_have_dev_random" = "xno" \
2276     && test "x$host_win32" = "xno"; then
2277     AC_MSG_WARN([[
2278 ***
2279 *** A system-provided entropy source was not found on this system.
2280 *** Because of this, the System.Security.Cryptography random number generator
2281 *** will throw a NotImplemented exception.
2282 ***
2283 *** If you are seeing this message, and you know your system DOES have an
2284 *** entropy collection in place, please contact <crichton@gimp.org> and
2285 *** provide information about the system and how to access the random device.
2286 ***
2287 *** Otherwise you can install either egd or prngd and set the environment
2288 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2289 ***]])
2290 fi
2291
2292 AC_MSG_CHECKING([if inter-process shared handles are requested])
2293 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2294 AC_MSG_RESULT($try_shared_handles)
2295 if test "x$try_shared_handles" != "xyes"; then
2296         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2297         AC_SUBST(DISABLE_SHARED_HANDLES)
2298 fi
2299
2300 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2301
2302 AC_ARG_ENABLE(nunit-tests, [  --enable-nunit-tests      Run the nunit tests of the class library on 'make check'])
2303 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
2304
2305 AC_MSG_CHECKING([if big-arrays are to be enabled])
2306 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2307 if test "x$enable_big_arrays" = "xyes" ; then
2308     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2309         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2310     else
2311         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2312     fi
2313 fi
2314 AC_MSG_RESULT($enable_big_arrays)
2315
2316 dnl **************
2317 dnl *** DTRACE ***
2318 dnl **************
2319
2320 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2321
2322 if test "x$enable_dtrace" = "xyes"; then
2323    if test "x$has_dtrace" = "xno"; then
2324           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2325    fi
2326    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2327    if test "x$DTRACE" = "xno"; then
2328           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2329           enable_dtrace=no
2330    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2331           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2332           enable_dtrace=no
2333    fi
2334 fi
2335
2336 dtrace_g=no
2337 if test "x$enable_dtrace" = "xyes"; then
2338         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2339         DTRACEFLAGS=
2340         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2341                 case "$host" in
2342                         powerpc-*-darwin*)
2343                         DTRACEFLAGS="-arch ppc64"
2344                         ;;
2345                         i*86-*-darwin*)
2346                         DTRACEFLAGS="-arch x86_64"
2347                         ;;
2348                         *)
2349                         DTRACEFLAGS=-64
2350                         ;;
2351                 esac
2352         else
2353                 case "$host" in
2354                         powerpc-*-darwin*)
2355                         DTRACEFLAGS="-arch ppc"
2356                         ;;
2357                         i*86-*-darwin*)
2358                         DTRACEFLAGS="-arch i386"
2359                         ;;
2360                         *)
2361                         DTRACEFLAGS=-32
2362                         ;;
2363                 esac
2364         fi
2365         AC_SUBST(DTRACEFLAGS)
2366         case "$host" in
2367                 *-*-solaris*)
2368                 dtrace_g=yes
2369                 ;;
2370         esac
2371         AC_CHECK_HEADERS([sys/sdt.h])
2372 fi
2373 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2374 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2375
2376 dnl **************
2377 dnl ***  NaCl  ***
2378 dnl **************
2379
2380 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2381 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2382
2383 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2384
2385 dnl
2386 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2387 dnl
2388 nacl_self_host=""
2389 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2390    nacl_self_host="nacl_self_host"
2391 fi
2392 AC_SUBST(nacl_self_host)
2393
2394 if test "x$enable_nacl_codegen" = "xyes"; then
2395    MONO_NACL_ALIGN_MASK_OFF=1
2396    AC_DEFINE(TARGET_NACL, 1, [...])
2397    AC_DEFINE(__native_client_codegen__, 1, [...])
2398 else
2399    MONO_NACL_ALIGN_MASK_OFF=0
2400    AC_DEFINE(__default_codegen__, 1, [...])
2401 fi
2402 if test "x$enable_nacl_gc" = "xyes"; then
2403    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2404       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2405    else
2406       # Not yet implemented
2407       INSTRUMENT_CFLAG=""
2408    fi
2409    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2410 fi
2411 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2412
2413 dnl **************
2414 dnl ***  LLVM  ***
2415 dnl **************
2416
2417 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2418 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2419 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2420
2421 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2422
2423 if test "x$enable_llvm" = "xyes"; then
2424    if test "x$with_llvm" != "x"; then
2425           LLVM_CONFIG=$with_llvm/bin/llvm-config
2426           if test ! -x $LLVM_CONFIG; then
2427                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2428       fi
2429    else
2430       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2431       if test "x$LLVM_CONFIG" = "xno"; then
2432              AC_MSG_ERROR([llvm-config not found.])
2433       fi
2434    fi
2435
2436    llvm_codegen="x86codegen"
2437    case "$target" in
2438    arm*)
2439                 llvm_codegen="armcodegen"
2440                 ;;
2441    esac
2442
2443    # The output of --cflags seems to include optimizations flags too
2444    LLVM_CFLAGS=`$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'`
2445    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2446    # from LLVM classes.
2447    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2448    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2449    # This might include empty lines
2450    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2451    if test "x$host" != "x$target"; then
2452       # No need for jit libs
2453       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2454    else
2455       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2456    fi
2457    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2458
2459    expected_llvm_version="3.4svn-mono-mono/e656cac"
2460
2461    # Should be something like '2.6' or '2.7svn'
2462    llvm_version=`$LLVM_CONFIG --version`
2463    major_version=`echo $llvm_version | cut -c 1`
2464    minor_version=`echo $llvm_version | cut -c 3`
2465    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2466    AC_MSG_CHECKING(LLVM version)
2467    AC_MSG_RESULT($llvm_version)
2468    if echo $llvm_version | grep -q 'mono'; then
2469           if test "x$enable_llvm_version_check" == "xyes"; then
2470                  if test "$llvm_version" != "$expected_llvm_version"; then
2471                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2472                  fi
2473           fi
2474           if test "x$llvm_api_version" = "x"; then
2475                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2476                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2477           else
2478                 LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2479                 LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2480           fi
2481    else
2482           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.])
2483    fi
2484
2485    AC_DEFINE_UNQUOTED(LLVM_MAJOR_VERSION, $major_version, [Major version of LLVM libraries])
2486    AC_DEFINE_UNQUOTED(LLVM_MINOR_VERSION, $minor_version, [Minor version of LLVM libraries])
2487    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2488
2489    # Have to pass these on the command line since mini-llvm-cpp.h already includes
2490    # llvm's config.h
2491    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_MAJOR_VERSION=$major_version -DLLVM_MINOR_VERSION=$minor_version"
2492
2493    AC_SUBST(LLVM_CFLAGS)
2494    AC_SUBST(LLVM_CXXFLAGS)
2495    AC_SUBST(LLVM_LIBS)
2496    AC_SUBST(LLVM_LDFLAGS)
2497    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2498 fi
2499
2500 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2501 if test "x$enable_loadedllvm" = "xyes"; then
2502    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2503 fi
2504 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2505
2506 TARGET="unknown"
2507 ACCESS_UNALIGNED="yes"
2508
2509 JIT_SUPPORTED=no
2510 INTERP_SUPPORTED=no
2511 LIBC="libc.so.6"
2512 INTL="libc.so.6"
2513 SQLITE="libsqlite.so.0"
2514 SQLITE3="libsqlite3.so.0"
2515 X11="libX11.so"
2516 XINERAMA="libXinerama.so"
2517
2518 sizeof_register="SIZEOF_VOID_P"
2519
2520 jit_wanted=true
2521 interp_wanted=false
2522 sgen_supported=false
2523 boehm_supported=true
2524 case "$host" in
2525         mips*)
2526                 TARGET=MIPS;
2527                 arch_target=mips;
2528                 sgen_supported=true
2529                 ACCESS_UNALIGNED="no"
2530                 JIT_SUPPORTED=yes
2531
2532                 AC_MSG_CHECKING(for mips n32)
2533                 AC_TRY_COMPILE([],[
2534                 #if _MIPS_SIM != _ABIN32
2535                 #error Not mips n32
2536                 #endif
2537                 return 0;
2538                 ],[
2539                 AC_MSG_RESULT(yes)
2540                 sizeof_register=8
2541                 ],[
2542                 AC_MSG_RESULT(no)
2543                 ])
2544                 ;;
2545         i*86-*-*)
2546                 TARGET=X86;
2547                 arch_target=x86;
2548                 JIT_SUPPORTED=yes
2549                 case $host_os in
2550                   solaris*)
2551                         LIBC="libc.so"
2552                         INTL="libintl.so"
2553                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2554                                 TARGET=AMD64
2555                                 arch_target=amd64
2556                         fi
2557
2558                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2559                         # int astruct __attribute__ ((visibility ("hidden")));
2560                         # void foo ()
2561                         # {
2562                         #       void *p = &astruct;
2563                         # }
2564                         # gcc -fPIC --shared -o libfoo.so foo.c
2565                         # yields:
2566                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2567                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2568                         have_visibility_hidden=no
2569                         sgen_supported=true
2570                         ;;
2571                   mingw*|cygwin*)
2572                         sgen_supported=true
2573                         have_visibility_hidden=no
2574                         ;;
2575                   haiku*)
2576                         LIBC=libroot.so
2577                         ;;
2578                   linux*)
2579                         sgen_supported=true
2580                         AOT_SUPPORTED="yes"
2581                         ;;
2582                   darwin*)
2583                         sgen_supported=true
2584                         AOT_SUPPORTED="yes"
2585                         ;;
2586                   darwin*|openbsd*|freebsd*)
2587                         sgen_supported=true
2588                         ;;
2589                 esac
2590                 ;;
2591         x86_64-*-* | amd64-*-*)
2592                 TARGET=AMD64;
2593                 arch_target=amd64;
2594                 JIT_SUPPORTED=yes
2595                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2596                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2597                         sizeof_register=8
2598                 fi
2599                 case $host_os in
2600                   linux*)
2601                         sgen_supported=true
2602                         AOT_SUPPORTED="yes"
2603                         ;;
2604                   darwin*|openbsd*|freebsd*)
2605                         sgen_supported=true
2606                         ;;
2607                 esac
2608                 case "$host" in
2609                         x86_64-*-nacl*)
2610                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2611                                 sizeof_register=8
2612                                 ;;
2613                 esac
2614                 ;;
2615         ia64-*-*)
2616                 TARGET=IA64
2617                 arch_target=ia64
2618                 ACCESS_UNALIGNED="no"
2619                 JIT_SUPPORTED=yes
2620                 LIBC="libc.so.6.1"
2621                 INTL="libc.so.6.1"
2622                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2623                 libmono_ldflags="-lunwind"
2624                 ;;
2625         sparc*-*-*)
2626                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2627                    TARGET=SPARC64
2628                 else
2629                         TARGET=SPARC
2630                 fi
2631                 arch_target=sparc;
2632                 JIT_SUPPORTED=yes
2633                 ACCESS_UNALIGNED="no"
2634                 case $host_os in
2635                   linux*) ;;
2636                   *)
2637                         LIBC="libc.so"
2638                         INTL="libintl.so"
2639                 esac
2640                 if test x"$GCC" = xyes; then
2641                         # We don't support v8 cpus
2642                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2643                 fi
2644                 if test x"$AR" = xfalse; then
2645                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2646                 fi
2647                 sgen_supported=true
2648                 ;;
2649         *-mingw*|*-*-cygwin*)
2650                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2651                 have_visibility_hidden=no
2652                 INTL="intl"
2653                 ;;
2654         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2655         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2656                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2657                         TARGET=POWERPC64;
2658                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2659                         CFLAGS="$CFLAGS -mminimal-toc"
2660                 else
2661                         TARGET=POWERPC;
2662                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2663                 fi
2664                 arch_target=ppc;
2665                 JIT_SUPPORTED=yes
2666                 case $host_os in
2667                   linux*|darwin*)
2668                         sgen_supported=true
2669                         ;;
2670                 esac
2671                 ;;
2672         arm*-darwin*)
2673                 TARGET=ARM;
2674                 arch_target=arm;
2675                 ACCESS_UNALIGNED="no"
2676                 JIT_SUPPORTED=yes
2677                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2678                 # libgc's gc_locks.h depends on this
2679             CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC"
2680                 sgen_supported=true
2681                 ;;
2682         arm*-linux*)
2683                 TARGET=ARM;
2684                 arch_target=arm;
2685                 ACCESS_UNALIGNED="no"
2686                 JIT_SUPPORTED=yes
2687                 sgen_supported=true
2688                 AOT_SUPPORTED="yes"
2689                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2690                 ;;
2691 # TODO: make proper support for NaCl host.
2692 #        arm*-*nacl)
2693 #               TARGET=ARM;
2694 #               arch_target=arm;
2695 #               ACCESS_UNALIGNED="no"
2696 #               JIT_SUPPORTED=yes
2697 #               sgen_supported=true
2698 #               AOT_SUPPORTED="no"
2699 #               ;;
2700         aarch64-*)
2701                 # https://lkml.org/lkml/2012/7/15/133
2702                 TARGET=ARM64
2703                 arch_target=arm64
2704                 JIT_SUPPORTED=yes
2705                 sgen_supported=true
2706                 boehm_supported=false
2707                 ;;
2708         s390x-*-linux*)
2709                 TARGET=S390X;
2710                 arch_target=s390x;
2711                 ACCESS_UNALIGNED="yes"
2712                 JIT_SUPPORTED=yes
2713                 sgen_supported=true
2714                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2715                 ;;
2716 esac
2717
2718 HOST=$TARGET
2719
2720 if test "x$host" != "x$target"; then
2721    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2722    enable_mcs_build=no
2723    case "$target" in
2724    arm*-darwin*)
2725                 TARGET=ARM;
2726                 arch_target=arm;
2727                 ACCESS_UNALIGNED="no"
2728                 JIT_SUPPORTED=yes
2729                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2730                 jit_wanted=true
2731                 # Can't use tls, since it depends on the runtime detection of tls offsets
2732                 # in mono-compiler.h
2733                 with_tls=pthread
2734                 ;;
2735    powerpc64-ps3-linux-gnu)
2736                 TARGET=POWERPC64
2737                 arch_target=powerpc64
2738                 AC_DEFINE(TARGET_PS3, 1, [...])
2739                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2740                 # uses this define
2741                 AC_DEFINE(__mono_ppc64__, 1, [...])
2742                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2743                 sizeof_register=8
2744                 target_byte_order=G_BIG_ENDIAN
2745                 ;;
2746
2747    powerpc64-xbox360-linux-gnu)
2748                 TARGET=POWERPC64
2749                 arch_target=powerpc64
2750                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2751                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2752                 # uses this define
2753                 sizeof_register=8
2754                 target_byte_order=G_BIG_ENDIAN
2755                 ;;
2756    x86_64-*-nacl)
2757                 TARGET=AMD64
2758                 arch_target=amd64
2759                 AC_DEFINE(TARGET_AMD64, 1, [...])
2760                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2761                 sizeof_register=8
2762                 ;;
2763 # TODO: make proper support for NaCl target.
2764 #   arm*-*nacl)
2765 #               TARGET=ARM
2766 #               arch_target=arm
2767 #               AC_DEFINE(TARGET_ARM, 1, [...])
2768 #               ACCESS_UNALIGNED="no"
2769 #               JIT_SUPPORTED=yes
2770 #               sizeof_register=4
2771 #               CPPFLAGS="$CPPFLAGS \
2772 #                    -D__ARM_EABI__ \
2773 #                    -D__arm__ \
2774 #                    -D__portable_native_client__ \
2775 #                    -Dtimezone=_timezone \
2776 #                    -DDISABLE_SOCKETS \
2777 #                    -DDISABLE_ATTACH \
2778 #                    -DUSE_NEWLIB"
2779 #               jit_wanted=true
2780                 # Can't use tls, since it depends on the runtime detection of tls offsets
2781                 # in mono-compiler.h
2782 #               with_tls=pthread
2783 #               ;;
2784    i686-*-nacl)
2785                 TARGET=X86
2786                 arch_target=x86
2787                 AC_DEFINE(TARGET_X86, 1, [...])
2788                 sizeof_register=4
2789                 ;;
2790    arm*-linux-*)
2791                 TARGET=ARM;
2792                 arch_target=arm;
2793                 AC_DEFINE(TARGET_ARM, 1, [...])
2794                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2795                 ACCESS_UNALIGNED="no"
2796                 JIT_SUPPORTED=yes
2797                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2798                 jit_wanted=true
2799                 # Can't use tls, since it depends on the runtime detection of tls offsets
2800                 # in mono-compiler.h
2801                 with_tls=pthread
2802                 target_mach=no
2803                 case "$target" in
2804                 armv7l-unknown-linux-gnueabi*)
2805                         # TEGRA
2806                         CPPFLAGS="$CPPFLAGS"
2807                         ;;
2808                 armv5-*-linux-androideabi*)
2809                         CPPFLAGS="$CPPFLAGS"
2810                         ;;
2811                 esac
2812                 ;;
2813         aarch64-*)
2814                 TARGET=ARM64
2815                 JIT_SUPPORTED=yes
2816                 jit_wanted=true
2817                 ;;
2818         *)
2819                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
2820         esac
2821 fi
2822
2823 case "$TARGET" in
2824 X86)
2825         AC_DEFINE(TARGET_X86, 1, [...])
2826         ;;
2827 AMD64)
2828         AC_DEFINE(TARGET_AMD64, 1, [...])
2829         ;;
2830 ARM)
2831         AC_DEFINE(TARGET_ARM, 1, [...])
2832         ;;
2833 ARM64)
2834         AC_DEFINE(TARGET_ARM64, 1, [...])
2835         ;;
2836 POWERPC)
2837         AC_DEFINE(TARGET_POWERPC, 1, [...])
2838         ;;
2839 POWERPC64)
2840         AC_DEFINE(TARGET_POWERPC, 1, [...])
2841         AC_DEFINE(TARGET_POWERPC64, 1, [...])
2842         ;;
2843 S390X)
2844         AC_DEFINE(TARGET_S390X, 1, [...])
2845         ;;
2846 MIPS)
2847         AC_DEFINE(TARGET_MIPS, 1, [...])
2848         ;;
2849 IA64)
2850         AC_DEFINE(TARGET_IA64, 1, [...])
2851         ;;
2852 SPARC)
2853         AC_DEFINE(TARGET_SPARC, 1, [...])
2854         ;;
2855 SPARC64)
2856         AC_DEFINE(TARGET_SPARC64, 1, [...])
2857         ;;
2858 esac
2859
2860 dnl Use GCC atomic ops if they work on the target.
2861 if test x$GCC = "xyes"; then
2862         case $TARGET in
2863         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
2864                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
2865                 ;;
2866         esac
2867 fi
2868
2869 if test "x$target_mach" = "xyes"; then
2870    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
2871           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2872           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2873           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2874    else
2875        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
2876        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
2877        #error fail this for ios
2878        #endif
2879        return 0;
2880        ], [
2881                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
2882           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
2883           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
2884        ], [
2885           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
2886           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
2887           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
2888        ])
2889         fi
2890    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
2891 fi
2892
2893 if test "x$sizeof_register" = "x4"; then
2894    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
2895 elif test "x$sizeof_register" = "x8"; then
2896    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
2897 else
2898    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
2899 fi
2900
2901 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
2902    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
2903 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
2904    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
2905 else
2906    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
2907 fi
2908
2909 if test "x$have_visibility_hidden" = "xyes"; then
2910    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
2911 fi
2912
2913 if test "x$have_deprecated" = "xyes"; then
2914    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
2915 fi
2916
2917 dnl
2918 dnl Simple Generational checks (sgen)
2919 dnl
2920 if $sgen_supported; then
2921    build_sgen_default=yes
2922 else
2923    build_sgen_default=no
2924 fi
2925 SGEN_DEFINES=
2926 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
2927 if test x$buildsgen = xyes; then
2928    if $sgen_supported; then
2929        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
2930        gc_msg="sgen and $gc_msg"
2931    else
2932        buildsgen=no
2933        AC_MSG_WARN("Sgen is not supported on this platform")
2934    fi
2935 fi
2936 AC_SUBST(SGEN_DEFINES)
2937 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
2938
2939 USEJIT=false
2940 if test x$JIT_SUPPORTED = xyes; then
2941    if $jit_wanted; then
2942       USEJIT=true
2943       jit_status="Building and using the JIT"
2944    else
2945       if $interp_wanted; then
2946          jit_status="Building the JIT, defaulting to the interpreter"
2947       else
2948          AC_ERROR(No JIT or interpreter support available or selected.)
2949       fi
2950    fi
2951 else
2952    if test x$interp_wanted = xtrue; then
2953       jit_status="interpreter"
2954    else
2955       AC_ERROR(No JIT or interpreter support available or selected.)
2956    fi
2957 fi
2958
2959 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
2960
2961 libsuffix=".so"
2962
2963 case "$host" in
2964      *-*-darwin*)
2965         libsuffix=".dylib"
2966         LIBC="libc.dylib"
2967         INTL="libintl.dylib"
2968         SQLITE="libsqlite.0.dylib"
2969         SQLITE3="libsqlite3.0.dylib"
2970         X11="libX11.dylib"
2971         ;;
2972      *-*-*netbsd*)
2973         LIBC="libc.so.12"
2974         INTL="libintl.so.0"
2975         ;;
2976     *-*-*freebsd*)
2977         LIBC="libc.so"
2978         INTL="libintl.so"
2979         SQLITE="libsqlite.so"
2980         SQLITE3="libsqlite3.so"
2981         ;;
2982     *-*-*openbsd*)
2983         LIBC="libc.so"
2984         INTL="libintl.so"
2985         SQLITE="libsqlite.so"
2986         SQLITE3="libsqlite3.so"
2987         ;;
2988     *-*-*linux*)
2989         AC_PATH_X
2990         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
2991         AC_MSG_CHECKING(for the soname of libX11.so)
2992         for i in $x_libraries $dlsearch_path; do
2993                 for r in 4 5 6; do
2994                         if test -f $i/libX11.so.$r; then
2995                                 X11=libX11.so.$r
2996                                 AC_MSG_RESULT($X11)
2997                         fi
2998                 done
2999         done
3000
3001         if test "x$X11" = "xlibX11.so"; then
3002                 AC_MSG_WARN([Could not find X development libs. Do you have the -devel package installed? Assuming libX11.so.6...]);
3003                 X11=libX11.so.6
3004         fi
3005         AC_MSG_CHECKING(for the soname of libXinerama.so)
3006         for i in $x_libraries $dlsearch_path; do
3007                 for r in 1 2 3; do
3008                         if test -f $i/libXinerama.so.$r; then
3009                                 XINERAMA=libXinerama.so.$r
3010                                 AC_MSG_RESULT($XINERAMA)
3011                         fi
3012                 done
3013         done
3014         if test "x$XINERAMA" = "xlibXinerama.so"; then
3015                 AC_MSG_WARN([Could not find Xinerama development libs. Support for multiple monitors might not work...]);
3016         fi
3017         ;;
3018 esac
3019
3020
3021 AC_SUBST(libsuffix)
3022
3023 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
3024         if test "x$with_tls" = "x__thread"; then
3025                 #
3026                 # On some linux distributions, TLS works in executables, but linking
3027                 # against a shared library containing TLS fails with:
3028                 # undefined reference to `__tls_get_addr'
3029                 #
3030                 rm -f conftest.c conftest.so conftest
3031                 echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
3032                 $CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
3033                 $CC -o conftest conftest.so > /dev/null 2>&1
3034                 if test ! -f conftest; then
3035                    AC_MSG_WARN([Disabling usage of __thread.]);
3036                    with_tls=pthread
3037                 fi
3038                 rm -f conftest.c conftest.so conftest
3039         fi
3040 fi
3041
3042 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3043 if test "x$icall_symbol_map" = "xyes"; then
3044    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3045 fi
3046
3047 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3048 if test "x$icall_export" = "xyes"; then
3049    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3050 fi
3051
3052 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3053 if test "x$icall_tables" = "xno"; then
3054    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3055 fi
3056
3057 if test "x$with_tls" = "x__thread"; then
3058         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3059         # Pass the information to libgc
3060         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3061         AC_MSG_CHECKING(if the tls_model attribute is supported)
3062         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3063                 ], [
3064                         AC_MSG_RESULT(yes)
3065                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3066                 ], [
3067                         AC_MSG_RESULT(no)
3068         ])
3069 fi
3070
3071 if test ${TARGET} = ARM; then
3072         dnl ******************************************
3073         dnl *** Check to see what FPU is available ***
3074         dnl ******************************************
3075         AC_MSG_CHECKING(which FPU to use)
3076
3077         #
3078         # This is a bit tricky:
3079         #
3080         # if (__ARM_PCS_VFP) {
3081         #       /* mfloat-abi=hard == VFP with hard ABI */
3082         # } elif (!__SOFTFP__) {
3083         #       /* mfloat-abi=softfp == VFP with soft ABI */
3084         # } else {
3085         #       /* mfloat-abi=soft == no VFP */
3086         # }
3087         #
3088         # The exception is iOS (w/ GCC) where none of the above
3089         # are defined (but iOS always uses the 'softfp' ABI).
3090         #
3091         # No support for FPA.
3092         #
3093
3094         fpu=NONE
3095
3096         # iOS GCC always uses the 'softfp' ABI.
3097         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3098                 fpu=VFP
3099         fi
3100
3101         # Are we using the 'hard' ABI?
3102         if test x$fpu = xNONE; then
3103                 AC_TRY_COMPILE([], [
3104                         #ifndef __ARM_PCS_VFP
3105                         #error "Float ABI is not 'hard'"
3106                         #endif
3107                         return 0;
3108                 ], [
3109                         fpu=VFP_HARD
3110                 ], [
3111                         fpu=NONE
3112                 ])
3113         fi
3114
3115         # No 'hard' ABI. 'soft' or 'softfp'?
3116         if test x$fpu = xNONE; then
3117                 AC_TRY_COMPILE([], [
3118                         #ifdef __SOFTFP__
3119                         #error "Float ABI is not 'softfp'"
3120                         #endif
3121                         return 0;
3122                 ], [
3123                         fpu=VFP
3124                 ], [
3125                         fpu=NONE
3126                 ])
3127         fi
3128
3129         AC_MSG_RESULT($fpu)
3130         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3131         unset fpu
3132
3133         dnl *********************************************
3134         dnl *** Check which ARM version(s) we can use ***
3135         dnl *********************************************
3136         AC_MSG_CHECKING(which ARM version to use)
3137
3138         AC_TRY_COMPILE([], [
3139                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3140                 #error Not on ARM v5.
3141                 #endif
3142                 return 0;
3143         ], [
3144                 arm_v5=yes
3145
3146                 arm_ver=ARMv5
3147         ], [])
3148
3149         AC_TRY_COMPILE([], [
3150                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3151                 #error Not on ARM v6.
3152                 #endif
3153                 return 0;
3154         ], [
3155                 arm_v5=yes
3156                 arm_v6=yes
3157
3158                 arm_ver=ARMv6
3159         ], [])
3160
3161         AC_TRY_COMPILE([], [
3162                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3163                 #error Not on ARM v7.
3164                 #endif
3165                 return 0;
3166         ], [
3167                 arm_v5=yes
3168                 arm_v6=yes
3169                 arm_v7=yes
3170
3171                 arm_ver=ARMv7
3172         ], [])
3173
3174         AC_MSG_RESULT($arm_ver)
3175
3176         if test x$arm_v5 = xyes; then
3177                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3178                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3179         fi
3180
3181         if test x$arm_v6 = xyes; then
3182                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3183                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3184         fi
3185
3186         if test x$arm_v7 = xyes; then
3187                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3188                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3189         fi
3190 fi
3191
3192 if test ${TARGET} = ARM; then
3193         if test "x${with_jumptables}" = "xyes"; then
3194                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3195         fi
3196 fi
3197
3198 if test ${TARGET} = unknown; then
3199         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3200         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3201 fi
3202
3203 if test ${ACCESS_UNALIGNED} = no; then
3204         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3205 fi
3206
3207 case "x$gc" in
3208         xincluded)
3209                 # Pass CPPFLAGS to libgc configure
3210                 # We should use a separate variable for this to avoid passing useless and
3211                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3212                 # This should be executed late so we pick up the final version of CPPFLAGS
3213                 # The problem with this approach, is that during a reconfigure, the main
3214                 # configure scripts gets invoked with these arguments, so we use separate
3215                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3216                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3217                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3218                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3219                 fi
3220                 # Don't pass -finstrument-for-thread-suspension in,
3221                 # if these are instrumented it will be very bad news
3222                 # (infinite recursion, undefined parking behavior, etc)
3223                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3224                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3225                 AC_CONFIG_SUBDIRS(libgc)
3226                 ;;
3227 esac
3228
3229 AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0/3.5 FX (defaults to yes)],            [], [with_profile2=yes])
3230 AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                [], [with_profile4=yes])
3231 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3232 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3233 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3234 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3235
3236 OPROFILE=no
3237 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3238         if test x$with_oprofile != xno; then
3239             oprofile_include=$with_oprofile/include
3240             if test ! -f $oprofile_include/opagent.h; then
3241                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3242                 fi
3243             OPROFILE=yes
3244                 OPROFILE_CFLAGS="-I$oprofile_include"
3245             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3246             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3247         fi
3248 ])
3249
3250 MALLOC_MEMPOOLS=no
3251 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3252         if test x$with_malloc_mempools = xyes; then
3253                 MALLOC_MEMPOOLS=yes
3254                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3255         fi
3256 ])
3257
3258
3259 DISABLE_MCS_DOCS=no
3260 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3261         if test x$with_mcs_docs != xyes; then
3262                 DISABLE_MCS_DOCS=yes
3263         fi
3264 ])
3265 if test x$with_profile4 != xyes; then
3266         DISABLE_MCS_DOCS=yes
3267 fi
3268
3269 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)],[
3270         if test x$with_lazy_gc_thread_creation != xno ; then
3271                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3272         fi
3273 ], [with_lazy_gc_thread_creation=no])
3274
3275 AC_CHECK_HEADER([malloc.h],
3276                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3277                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3278
3279 if test x"$GCC" = xyes; then
3280         # Implicit function declarations are not 64 bit safe
3281         # Do this late, since this causes lots of configure tests to fail
3282         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3283         # jay has a lot of implicit declarations
3284         JAY_CFLAGS="-Wno-implicit-function-declaration"
3285 fi
3286
3287 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3288 # instead of libmono-static.a
3289 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3290    LIBMONO_LA=libmini-static.la
3291 else
3292    if test x$buildsgen = xyes; then
3293       LIBMONO_LA=libmonosgen-$API_VER.la
3294    else
3295       LIBMONO_LA=libmonoboehm-$API_VER.la
3296    fi
3297 fi
3298 AC_SUBST(LIBMONO_LA)
3299
3300 dnl
3301 dnl Consistency settings
3302 dnl
3303 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3304    DISABLE_MCS_DOCS=yes
3305    with_profile2=no
3306    with_profile4=no
3307    with_profile4_5=no
3308    with_monodroid=no
3309    with_monotouch=no
3310    with_xammac=no
3311 fi
3312
3313 if test x$DISABLE_MCS_DOCS = xyes; then
3314    docs_dir=""
3315 else
3316    docs_dir=docs
3317 fi
3318 AC_SUBST(docs_dir)
3319
3320 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3321 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3322
3323 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3324 AC_SUBST(OPROFILE_CFLAGS)
3325 AC_SUBST(OPROFILE_LIBS)
3326
3327 libmono_ldflags="$libmono_ldflags $LIBS"
3328
3329 AM_CONDITIONAL(INSTALL_2_0, [test "x$with_profile2" = xyes])
3330 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
3331 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3332 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3333 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3334 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3335 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3336 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3337
3338 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3339 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3340 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3341 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3342 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3343 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3344 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3345 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3346 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3347 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3348 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3349 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3350 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3351 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3352 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3353 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3354 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3355 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3356
3357 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
3358 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
3359 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
3360
3361 AC_SUBST(LIBC)
3362 AC_SUBST(INTL)
3363 AC_SUBST(SQLITE)
3364 AC_SUBST(SQLITE3)
3365 AC_SUBST(X11)
3366 AC_SUBST(XINERAMA)
3367 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3368 AC_SUBST(arch_target)
3369 AC_SUBST(CFLAGS)
3370 AC_SUBST(CPPFLAGS)
3371 AC_SUBST(LDFLAGS)
3372
3373 mono_build_root=`pwd`
3374 AC_SUBST(mono_build_root)
3375
3376 if test x$USEJIT = xtrue; then
3377   mono_runtime=mono/mini/mono
3378 else
3379   mono_runtime=mono/interpreter/mint
3380 fi
3381 AC_SUBST(mono_runtime)
3382
3383 mono_cfg_root=$mono_build_root/runtime
3384 if test x$host_win32 = xyes; then
3385   if test "x$cross_compiling" = "xno"; then
3386     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3387   else
3388     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3389   fi
3390 else
3391   mono_cfg_dir=$mono_cfg_root/etc
3392 fi
3393 AC_SUBST(mono_cfg_dir)
3394
3395 AC_CONFIG_FILES([po/mcs/Makefile.in])
3396
3397 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3398 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3399
3400 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3401 [   depth=../../../..
3402     case $srcdir in
3403     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3404     .) reldir=$depth ;;
3405     *) reldir=$depth/$srcdir ;;
3406     esac
3407     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3408     cd runtime/etc/mono/1.0
3409     rm -f machine.config
3410     $LN_S $reldir/data/net_1_1/machine.config machine.config
3411     cd $depth
3412 ],[LN_S='$LN_S'])
3413
3414 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3415 [   depth=../../../..
3416     case $srcdir in
3417     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3418     .) reldir=$depth ;;
3419     *) reldir=$depth/$srcdir ;;
3420     esac
3421     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3422     cd runtime/etc/mono/2.0
3423     rm -f machine.config
3424     $LN_S $reldir/data/net_2_0/machine.config machine.config
3425     cd $depth
3426 ],[LN_S='$LN_S'])
3427
3428 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3429 [   depth=../../../..
3430     case $srcdir in
3431     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3432     .) reldir=$depth ;;
3433     *) reldir=$depth/$srcdir ;;
3434     esac
3435     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3436     cd runtime/etc/mono/2.0
3437     rm -f web.config
3438     $LN_S $reldir/data/net_2_0/web.config web.config
3439     cd $depth
3440 ],[LN_S='$LN_S'])
3441
3442 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3443 [   depth=../../..
3444     case $srcdir in
3445     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3446     .) reldir=$depth ;;
3447     *) reldir=$depth/$srcdir ;;
3448     esac
3449     $ac_aux_dir/install-sh -d runtime/etc/mono/
3450     cd runtime/etc/mono/
3451     rm -f browscap.ini
3452     $LN_S $reldir/data/browscap.ini browscap.ini
3453     cd $depth
3454 ],[LN_S='$LN_S'])
3455
3456 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3457 [   depth=../../../../..
3458     case $srcdir in
3459     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3460     .) reldir=$depth ;;
3461     *) reldir=$depth/$srcdir ;;
3462     esac
3463     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3464     cd runtime/etc/mono/2.0/Browsers
3465     rm -f Compat.browser
3466     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3467     cd $depth
3468 ],[LN_S='$LN_S'])
3469
3470 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3471 [   depth=../../../../..
3472     case $srcdir in
3473     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3474     .) reldir=$depth ;;
3475     *) reldir=$depth/$srcdir ;;
3476     esac
3477     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3478     cd runtime/etc/mono/4.0/Browsers
3479     rm -f Compat.browser
3480     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3481     cd $depth
3482 ],[LN_S='$LN_S'])
3483
3484 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3485 [   depth=../../../../..
3486     case $srcdir in
3487     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3488     .) reldir=$depth ;;
3489     *) reldir=$depth/$srcdir ;;
3490     esac
3491     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3492     cd runtime/etc/mono/4.5/Browsers
3493     rm -f Compat.browser
3494     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3495     cd $depth
3496 ],[LN_S='$LN_S'])
3497
3498 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3499 [   depth=../../../..
3500     case $srcdir in
3501     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3502     .) reldir=$depth ;;
3503     *) reldir=$depth/$srcdir ;;
3504     esac
3505     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3506     cd runtime/etc/mono/4.0
3507     rm -f machine.config
3508     $LN_S $reldir/data/net_4_0/machine.config machine.config
3509     cd $depth
3510 ],[LN_S='$LN_S'])
3511
3512 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3513 [   depth=../../../..
3514     case $srcdir in
3515     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3516     .) reldir=$depth ;;
3517     *) reldir=$depth/$srcdir ;;
3518     esac
3519     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3520     cd runtime/etc/mono/4.0
3521     rm -f web.config
3522     $LN_S $reldir/data/net_4_0/web.config web.config
3523     cd $depth
3524 ],[LN_S='$LN_S'])
3525
3526 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3527 [   depth=../../../..
3528     case $srcdir in
3529     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3530     .) reldir=$depth ;;
3531     *) reldir=$depth/$srcdir ;;
3532     esac
3533     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3534     cd runtime/etc/mono/4.5
3535     rm -f machine.config
3536     $LN_S $reldir/data/net_4_5/machine.config machine.config
3537     cd $depth
3538 ],[LN_S='$LN_S'])
3539
3540 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3541 [   depth=../../../..
3542     case $srcdir in
3543     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3544     .) reldir=$depth ;;
3545     *) reldir=$depth/$srcdir ;;
3546     esac
3547     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3548     cd runtime/etc/mono/4.5
3549     rm -f web.config
3550     $LN_S $reldir/data/net_4_5/web.config web.config
3551     cd $depth
3552 ],[LN_S='$LN_S'])
3553
3554 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])
3555
3556 AC_OUTPUT([
3557 Makefile
3558 mono-core.spec
3559 mono-uninstalled.pc
3560 scripts/mono-find-provides
3561 scripts/mono-find-requires
3562 mono/Makefile
3563 mono/utils/Makefile
3564 mono/metadata/Makefile
3565 mono/dis/Makefile
3566 mono/cil/Makefile
3567 mono/arch/Makefile
3568 mono/arch/x86/Makefile
3569 mono/arch/amd64/Makefile
3570 mono/arch/ppc/Makefile
3571 mono/arch/sparc/Makefile
3572 mono/arch/s390x/Makefile
3573 mono/arch/arm/Makefile
3574 mono/arch/arm64/Makefile
3575 mono/arch/ia64/Makefile
3576 mono/arch/mips/Makefile
3577 mono/interpreter/Makefile
3578 mono/tests/Makefile
3579 mono/tests/tests-config
3580 mono/tests/assemblyresolve/Makefile
3581 mono/tests/cas/Makefile
3582 mono/tests/cas/assembly/Makefile
3583 mono/tests/cas/demand/Makefile
3584 mono/tests/cas/inheritance/Makefile
3585 mono/tests/cas/linkdemand/Makefile
3586 mono/tests/cas/threads/Makefile
3587 mono/tests/gc-descriptors/Makefile
3588 mono/unit-tests/Makefile
3589 mono/benchmark/Makefile
3590 mono/monograph/Makefile
3591 mono/io-layer/Makefile
3592 mono/mini/Makefile
3593 mono/profiler/Makefile
3594 m4/Makefile
3595 ikvm-native/Makefile
3596 scripts/Makefile
3597 man/Makefile
3598 docs/Makefile
3599 data/Makefile
3600 data/net_2_0/Makefile
3601 data/net_4_0/Makefile
3602 data/net_4_5/Makefile
3603 data/net_2_0/Browsers/Makefile
3604 data/net_4_0/Browsers/Makefile
3605 data/net_4_5/Browsers/Makefile
3606 data/mint.pc
3607 data/mono-2.pc
3608 data/monosgen-2.pc
3609 data/mono.pc
3610 data/mono-cairo.pc
3611 data/mono-nunit.pc
3612 data/mono-options.pc
3613 data/mono-lineeditor.pc
3614 data/monodoc.pc
3615 data/dotnet.pc
3616 data/dotnet35.pc
3617 data/wcf.pc
3618 data/cecil.pc
3619 data/system.web.extensions_1.0.pc
3620 data/system.web.extensions.design_1.0.pc
3621 data/system.web.mvc.pc
3622 data/system.web.mvc2.pc
3623 data/system.web.mvc3.pc
3624 data/aspnetwebstack.pc
3625 data/reactive.pc
3626 samples/Makefile
3627 support/Makefile
3628 data/config
3629 tools/Makefile
3630 tools/locale-builder/Makefile
3631 tools/sgen/Makefile
3632 runtime/Makefile
3633 msvc/Makefile
3634 po/Makefile
3635 ])
3636
3637 # Update all submodules recursively to ensure everything is checked out
3638 $srcdir/scripts/update_submodules
3639
3640 if test x$host_win32 = xyes; then
3641    # Get rid of 'cyg' prefixes in library names
3642    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3643    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3644    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3645    # executable doesn't work...
3646    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3647 fi
3648
3649 if test x$platform_darwin = xyes; then
3650    # This doesn't seem to be required and it slows down parallel builds
3651    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3652 fi
3653
3654 (
3655   case $prefix in
3656   NONE) prefix=$ac_default_prefix ;;
3657   esac
3658   case $exec_prefix in
3659   NONE) exec_prefix='${prefix}' ;;
3660   esac
3661
3662   #
3663   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3664   # any existing config.make.  This allows people to share the same source tree
3665   # with different build directories, one native and one cross
3666   #
3667   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3668
3669     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3670
3671     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3672     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3673     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3674     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3675     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3676     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3677     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3678     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3679
3680     case $INSTALL in
3681     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3682     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3683     esac
3684
3685     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3686
3687     export VERSION
3688     [myver=$($AWK 'BEGIN {
3689       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3690       if(length(vsplit [1]) > 4) {
3691         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3692       }
3693       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3694     }')]
3695
3696     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3697
3698     if test x$platform_darwin = xyes; then
3699       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3700     fi
3701
3702         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3703            enable_system_aot=yes
3704         fi
3705
3706         if test "x$enable_loadedllvm" = "xyes"; then
3707            # This seems to fail on the x86 buildbots
3708            enable_system_aot=no
3709         fi
3710
3711     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3712       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3713     fi
3714
3715     if test x$DISABLE_MCS_DOCS = xyes; then
3716       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3717     fi
3718
3719     if test x$has_extension_module != xno; then
3720         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3721     fi
3722
3723         default_profile=net_2_0
3724     if test -z "$INSTALL_4_0_TRUE"; then :
3725                 default_profile=net_4_0
3726     fi
3727     if test -z "$INSTALL_MONODROID_TRUE"; then :
3728                 default_profile=monodroid
3729     fi
3730     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3731                 default_profile=monotouch
3732     fi
3733         if test -z "$INSTALL_XAMMAC_TRUE"; then :
3734                 default_profile=xammac
3735         fi
3736     if test -z "$INSTALL_4_5_TRUE"; then :
3737                 default_profile=net_4_5
3738     fi
3739
3740     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3741
3742     if test "x$test_bcl_opt" = "xyes"; then
3743       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3744     fi
3745
3746   fi
3747
3748   # if we have an olive folder, override the default settings
3749   if test -d $olivedir; then
3750
3751     if test x$cross_compiling = xno && test x$enable_olive_build != xno; then
3752
3753       test -w $srcdir/$olivedir/build || chmod +w $srcdir/$olivedir/build
3754
3755       echo "prefix=$prefix" > $srcdir/$olivedir/build/config.make
3756       echo "exec_prefix=$exec_prefix" >> $srcdir/$olivedir/build/config.make
3757       echo 'mono_libdir=${exec_prefix}/lib' >> $srcdir/$olivedir/build/config.make
3758       echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$olivedir/build/config.make
3759       echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $srcdir/$olivedir/build/config.make
3760       echo "MONO_VERSION = $myver" >> $srcdir/$olivedir/build/config.make
3761     fi
3762   fi
3763
3764 )
3765
3766 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3767
3768 echo "
3769         mcs source:    $mcsdir
3770
3771    Engine:
3772         GC:            $gc_msg
3773         TLS:           $with_tls
3774         SIGALTSTACK:   $with_sigaltstack
3775         Engine:        $jit_status
3776         oprofile:      $OPROFILE
3777         BigArrays:     $enable_big_arrays
3778         DTrace:        $enable_dtrace
3779         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3780
3781    Libraries:
3782         .NET 2.0/3.5:  $with_profile2
3783         .NET 4.0:      $with_profile4
3784         .NET 4.5:      $with_profile4_5
3785         MonoDroid:     $with_monodroid
3786         MonoTouch:     $with_monotouch
3787         Xamarin.Mac:   $with_xammac
3788         JNI support:   $jdk_headers_found
3789         libgdiplus:    $libgdiplus_msg
3790         zlib:          $zlib_msg
3791         $disabled
3792 "
3793 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3794    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3795 fi