configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 AC_SUBST(PLATFORM_AOT_SUFFIX)
 383
 384 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 385
 386 AC_CHECK_TOOL(CC, gcc, gcc)
 387 AC_PROG_CC
 388 AC_CHECK_TOOL(CXX, g++, g++)
 389 AC_PROG_CXX
 390 AM_PROG_AS
 391 AC_PROG_INSTALL
 392 AC_PROG_AWK
 393 AM_PROG_CC_C_O
 394 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 395 : ${CCAS='$(CC)'}
 396 # Set ASFLAGS if not already set.
 397 : ${CCASFLAGS='$(CFLAGS)'}
 398 AC_SUBST(CCAS)
 399 AC_SUBST(CCASFLAGS)
 400
 401 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 402 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 403 if test "x$CXX" = "xg++"; then
 404         if test "x$GXX" != "xyes"; then
 405                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 406                 # are inside automake conditionals
 407                 AC_MSG_ERROR([You need to install g++])
 408         fi
 409 fi
 410
 411 dnl may require a specific autoconf version
 412 dnl AC_PROG_CC_FOR_BUILD
 413 dnl CC_FOR_BUILD not automatically detected
 414 CC_FOR_BUILD=$CC
 415 CFLAGS_FOR_BUILD=$CFLAGS
 416 BUILD_EXEEXT=
 417 if test "x$cross_compiling" = "xyes"; then
 418         CC_FOR_BUILD=cc
 419         CFLAGS_FOR_BUILD=
 420         BUILD_EXEEXT=""
 421 fi
 422 AC_SUBST(CC_FOR_BUILD)
 423 AC_SUBST(CFLAGS_FOR_BUILD)
 424 AC_SUBST(HOST_CC)
 425 AC_SUBST(BUILD_EXEEXT)
 426
 427 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 428 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 429
 430 # Set STDC_HEADERS
 431 AC_HEADER_STDC
 432 AC_LIBTOOL_WIN32_DLL
 433 # This causes monodis to not link correctly
 434 #AC_DISABLE_FAST_INSTALL
 435
 436 #lookup makedev() header
 437 AC_HEADER_MAJOR
 438
 439 AM_PROG_LIBTOOL
 440 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 441 DOLT
 442
 443 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 444 AC_SUBST(export_ldflags)
 445
 446 # Test whenever ld supports -version-script
 447 AC_PROG_LD
 448 AC_PROG_LD_GNU
 449
 450 AM_ICONV()
 451
 452 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 sys/sysctl.h libproc.h sys/prctl.h)
 453 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.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 arpa/inet.h complex.h unwind.h)
 454 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 455                   [], [], [#include <stddef.h>
 456                   #include <sys/socket.h>
 457                   #include <linux/socket.h>])
 458
 459 AC_CHECK_HEADERS(sys/user.h, [], [],
 460 [
 461 #ifdef HAVE_SYS_PARAM_H
 462 # include <sys/param.h>
 463 #endif
 464 ])
 465
 466 AC_CHECK_HEADERS(linux/serial.h)
 467
 468 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 469 if test x$have_zlib = xyes; then
 470    AC_TRY_COMPILE([#include <zlib.h>], [
 471    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 472    return 0;
 473    #else
 474    #error No good zlib found
 475    #endif
 476    ],[
 477         AC_MSG_RESULT(Using system zlib)
 478         zlib_msg="system zlib"
 479         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 480    ],[
 481         AC_MSG_RESULT(Using embedded zlib)
 482         have_zlib=no
 483         zlib_msg="bundled zlib"
 484    ])
 485 fi
 486
 487 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 488 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 489
 490 # for mono/metadata/debug-symfile.c
 491 AC_CHECK_HEADERS(elf.h)
 492
 493 # for support
 494 AC_CHECK_HEADERS(poll.h)
 495 AC_CHECK_HEADERS(sys/poll.h)
 496 AC_CHECK_HEADERS(sys/wait.h)
 497 AC_CHECK_HEADERS(grp.h)
 498 AC_CHECK_HEADERS(syslog.h)
 499
 500 # for mono/dis
 501 AC_CHECK_HEADERS(wchar.h)
 502 AC_CHECK_HEADERS(ieeefp.h)
 503 AC_MSG_CHECKING(for isinf)
 504 AC_TRY_LINK([#include <math.h>], [
 505         int f = isinf (1.0);
 506 ], [
 507         AC_MSG_RESULT(yes)
 508         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 509 ], [
 510         # We'll have to use signals
 511         AC_MSG_RESULT(no)
 512 ])
 513 # mingw
 514 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 515         AC_TRY_LINK([#include <math.h>],
 516         [ _finite(0.0); ],
 517         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 518         AC_MSG_RESULT(no)))
 519
 520 # for Linux statfs support
 521 AC_CHECK_HEADERS(linux/magic.h)
 522
 523 # not 64 bit clean in cross-compile
 524 AC_CHECK_SIZEOF(void *, 4)
 525
 526 AC_CACHE_CHECK([for clang],
 527         mono_cv_clang,[
 528         AC_TRY_COMPILE([], [
 529                 #ifdef __clang__
 530                 #else
 531                 #error "FAILED"
 532                 #endif
 533                 return 0;
 534         ],
 535         [mono_cv_clang=yes],
 536         [mono_cv_clang=no],
 537         [])
 538 ])
 539
 540 AC_ARG_ENABLE(visibility-hidden,
 541 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 542    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 543
 544 WARN=''
 545 if test x"$GCC" = xyes; then
 546         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 547
 548                 # We require C99 with some GNU extensions, e.g. `linux` macro
 549                 CFLAGS="$CFLAGS -std=gnu99"
 550
 551                 # The runtime code does not respect ANSI C strict aliasing rules
 552                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 553
 554                 # We rely on signed overflow to behave
 555                 CFLAGS="$CFLAGS -fwrapv"
 556
 557                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 558                 if test x"$disable_visibility_hidden" = xno; then
 559                    # Don't export any symbols by default
 560                    SHARED_CFLAGS="-fvisibility=hidden"
 561                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 562                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 563                 fi
 564
 565                 ORIG_CFLAGS=$CFLAGS
 566                 # Check for the normal version, since gcc ignores unknown -Wno options
 567                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 568                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 569                 AC_TRY_COMPILE([],[
 570                                 return 0;
 571                 ], [
 572                    AC_MSG_RESULT(yes)
 573                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 574                 ], [
 575                    AC_MSG_RESULT(no)
 576                    CFLAGS=$ORIG_CFLAGS
 577                 ])
 578
 579                 if test "x$mono_cv_clang" = "xyes"; then
 580                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 581                    WARN="$WARN -Qunused-arguments"
 582                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 583                    # We rely on zero length arrays in structs
 584                    WARN="$WARN -Wno-zero-length-array"
 585                 fi
 586 else
 587         # The Sun Forte compiler complains about inline functions that access static variables
 588         # so disable all inlining.
 589         case "$host" in
 590         *-*-solaris*)
 591                 CFLAGS="$CFLAGS -Dinline="
 592                 ;;
 593         esac
 594 fi
 595 CFLAGS="$CFLAGS -g $WARN"
 596 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 597 CPPFLAGS="$CPPFLAGS -g $WARN"
 598
 599 # Where's the 'mcs' source tree?
 600 if test -d $srcdir/mcs; then
 601   mcsdir=mcs
 602 else
 603   mcsdir=../mcs
 604 fi
 605
 606 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 607         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 608                 mcsdir=$with_mcs_path
 609         fi
 610 )
 611
 612 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 613
 614 #
 615 # A sanity check to catch cases where the package was unpacked
 616 # with an ancient tar program (Solaris)
 617 #
 618 AC_ARG_ENABLE(solaris-tar-check,
 619 [  --disable-solaris-tar-check    disable solaris tar check],
 620    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 621
 622 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 623         AC_MSG_CHECKING(integrity of package)
 624         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 625         then
 626                 AC_MSG_RESULT(ok)
 627         else
 628                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 629                 AC_MSG_ERROR([$errorm])
 630         fi
 631 fi
 632
 633 if test "x$with_mcs_path" != "x"; then
 634 mcs_topdir=$(cd "$mcsdir" && pwd)
 635 mcs_topdir_from_srcdir=$mcs_topdir
 636 else
 637 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 638 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 639 fi
 640
 641 # Convert mcs_topdir* paths to Windows syntax.
 642 if test x$cross_compiling$host_win32 = xnoyes; then
 643   mcs_topdir=$(cygpath -m $mcs_topdir)
 644   case $mcs_topdir_from_srcdir in
 645     /cygdrive/*)
 646         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 647         ;;
 648   esac
 649 fi
 650
 651 AC_SUBST([mcs_topdir])
 652 AC_SUBST([mcs_topdir_from_srcdir])
 653
 654 # gettext: prepare the translation directories.
 655 # we do not configure the full gettext, as we consume it dynamically from C#
 656 AM_PO_SUBDIRS
 657
 658 if test "x$USE_NLS" = "xyes"; then
 659    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 660
 661    if test "x$HAVE_MSGFMT" = "xno"; then
 662           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 663    fi
 664 fi
 665
 666 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 667
 668 pkg_config_path=
 669 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 670         if test x$with_crosspkgdir = "x"; then
 671                 if test -s $PKG_CONFIG_PATH; then
 672                         pkg_config_path=$PKG_CONFIG_PATH
 673                 fi
 674         else
 675                 pkg_config_path=$with_crosspkgdir
 676                 PKG_CONFIG_PATH=$pkg_config_path
 677                 export PKG_CONFIG_PATH
 678         fi
 679 )
 680
 681 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 682 if test x$werror_flag = xyes; then
 683         WERROR_CFLAGS="-Werror"
 684 fi
 685 AC_SUBST([WERROR_CFLAGS])
 686 AC_SUBST([SHARED_CFLAGS])
 687
 688 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 689 AC_CONFIG_SUBDIRS(eglib)
 690
 691 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 692 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 693
 694 AC_SUBST(GLIB_CFLAGS)
 695 AC_SUBST(GLIB_LIBS)
 696
 697 # Enable support for fast thread-local storage
 698 # Some systems have broken support, so we allow to disable it.
 699 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 700
 701 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 702 # This does not work on some platforms (bug #55253)
 703 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 704
 705 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 706 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 707 # Same as --with-shared_mono=no
 708 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 709
 710 if test "x$enable_static" = "xno"; then
 711    with_static_mono=no
 712 fi
 713
 714 if test "x$enable_shared" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 if test "x$enable_libraries" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 723
 724 case $host in
 725 *nacl* ) with_shared_mono=yes;;
 726 esac
 727
 728 if test "x$host_win32" = "xyes"; then
 729    # Boehm GC requires the runtime to be in its own dll
 730    with_static_mono=no
 731 fi
 732
 733 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 734 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 735 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 736
 737 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 738 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 739         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 740         ORIG_CFLAGS=$CFLAGS
 741         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 742         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 743         AC_TRY_COMPILE([], [
 744                 return 0;
 745         ], [
 746            AC_MSG_RESULT(yes)
 747            # Pass it to libgc as well
 748            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 749         ], [
 750            AC_MSG_RESULT(no)
 751            CFLAGS=$ORIG_CFLAGS
 752         ])
 753 fi
 754
 755 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 756
 757 if test x$enable_small_config = xyes; then
 758         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 759         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 760 fi
 761
 762 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=$enableval, enable_system_aot=default)
 763
 764 DISABLED_FEATURES=none
 765 csc_compiler=default
 766 endian=unknown
 767 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 768 AC_MSG_CHECKING([CSharp compiler to use])
 769 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 770    if test x$withval = xmcs; then
 771        csc_compiler=mcs
 772    elif test x$withval = xroslyn; then
 773        csc_compiler=roslyn
 774    elif test x$withval = xdefault; then
 775        :
 776    else
 777        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 778    fi
 779 ],[csc_compiler=default])
 780
 781 if test $csc_compiler = default; then
 782    if test $endian = big; then
 783       csc_compiler=mcs
 784    elif test $endian = little; then
 785       csc_compiler=roslyn
 786    else
 787       csc_compiler=mcs
 788    fi
 789 fi
 790 AC_MSG_RESULT($csc_compiler)
 791
 792 #
 793 # Set the build profiles and options before things which use them
 794 #
 795
 796 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
 797 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 798 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 799 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
 800 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
 801 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 802 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 803 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
 804 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
 805 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 806
 807 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 808
 809 dnl
 810 dnl Profile defaults
 811 dnl
 812 TEST_PROFILE=default
 813 enable_llvm_default=no
 814
 815 with_profile4_x_default=no
 816 with_monodroid_default=no
 817 with_monotouch_default=no
 818 with_monotouch_watch_default=no
 819 with_monotouch_tv_default=no
 820 with_xammac_default=no
 821 with_testing_aot_hybrid_default=no
 822 with_testing_aot_full_default=no
 823 with_winaot_default=no
 824
 825 with_bitcode_default=no
 826 with_cooperative_gc_default=no
 827
 828 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 829
 830 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 831    DISABLE_MCS_DOCS_default=yes
 832 elif test x$with_runtime_preset = xnet_4_x; then
 833    with_profile4_x_default=yes
 834 elif test x$with_runtime_preset = xall; then
 835    with_profile4_x_default=yes
 836    with_monodroid_default=yes
 837    with_monotouch_default=yes
 838    with_monotouch_watch_default=yes
 839    with_monotouch_tv_default=yes
 840    with_xammac_default=yes
 841    with_winaot_default=yes
 842 elif test x$with_runtime_preset = xfullaot; then
 843    DISABLE_MCS_DOCS_default=yes
 844    with_testing_aot_full_default=yes
 845    TEST_PROFILE=testing_aot_full
 846
 847    mono_feature_disable_com='yes'
 848    mono_feature_disable_remoting='yes'
 849    mono_feature_disable_reflection_emit_save='yes'
 850    mono_feature_disable_reflection_emit='yes'
 851    mono_feature_disable_appdomains='yes'
 852
 853    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 854    AOT_RUN_FLAGS="--full-aot"
 855 elif test x$with_runtime_preset = xbitcode; then
 856    DISABLE_MCS_DOCS_default=yes
 857    with_testing_aot_full_default=yes
 858    with_bitcode_default=yes
 859    with_cooperative_gc_default=yes
 860    TEST_PROFILE=testing_aot_full
 861    enable_llvm_default=yes
 862
 863    mono_feature_disable_com='yes'
 864    mono_feature_disable_remoting='yes'
 865    mono_feature_disable_reflection_emit_save='yes'
 866    mono_feature_disable_reflection_emit='yes'
 867    mono_feature_disable_appdomains='yes'
 868
 869    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 870    AOT_RUN_FLAGS="--llvmonly"
 871 elif test x$with_runtime_preset = xhybridaot; then
 872    DISABLE_MCS_DOCS_default=yes
 873    with_testing_aot_hybrid_default=yes
 874    TEST_PROFILE=testing_aot_hybrid
 875
 876    mono_feature_disable_com='yes'
 877    mono_feature_disable_remoting='yes'
 878    mono_feature_disable_appdomains='yes'
 879
 880    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 881    AOT_RUN_FLAGS="--hybrid-aot"
 882 elif test x$with_runtime_preset = xaot; then
 883    with_profile4_x_default=yes
 884
 885    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 886    AOT_RUN_FLAGS=""
 887
 888    DISABLE_MCS_DOCS_default=yes
 889 else
 890    with_profile4_x_default=yes
 891 fi
 892
 893 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 894    AC_SUBST(AOT_BUILD_FLAGS)
 895    AC_SUBST(AOT_RUN_FLAGS)
 896    # For llvmonlycheck + fullaotcheck
 897    AC_SUBST(INVARIANT_AOT_OPTIONS)
 898 fi
 899
 900 AC_SUBST(TEST_PROFILE)
 901
 902 if test "x$with_profile4_x" = "xdefault"; then
 903    with_profile4_x=$with_profile4_x_default
 904 fi
 905 if test "x$with_monodroid" = "xdefault"; then
 906    with_monodroid=$with_monodroid_default
 907 fi
 908 if test "x$with_monotouch" = "xdefault"; then
 909    with_monotouch=$with_monotouch_default
 910 fi
 911 if test "x$with_monotouch_watch" = "xdefault"; then
 912    with_monotouch_watch=$with_monotouch_watch_default
 913 fi
 914 if test "x$with_monotouch_tv" = "xdefault"; then
 915    with_monotouch_tv=$with_monotouch_tv_default
 916 fi
 917 if test "x$with_bitcode" = "xdefault"; then
 918    with_bitcode=$with_bitcode_default
 919 fi
 920 if test "x$with_xammac" = "xdefault"; then
 921    with_xammac=$with_xammac_default
 922 fi
 923 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 924    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 925 fi
 926 if test "x$with_testing_aot_full" = "xdefault"; then
 927    with_testing_aot_full=$with_testing_aot_full_default
 928 fi
 929 if test "x$with_winaot" = "xdefault"; then
 930    with_winaot=$with_winaot_default
 931 fi
 932
 933
 934 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 935 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 936 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 937 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 938 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 939 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 940 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 941 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 942 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 943 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 944
 945 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 946 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 947
 948 default_profile=net_4_x
 949 if test -z "$INSTALL_MONODROID_TRUE"; then :
 950    default_profile=monodroid
 951 fi
 952 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 953    default_profile=monotouch
 954 fi
 955 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 956    default_profile=xammac
 957 fi
 958 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 959    default_profile=testing_aot_hybrid
 960 fi
 961 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 962    default_profile=testing_aot_full
 963 fi
 964 if test -z "$INSTALL_4_x_TRUE"; then :
 965    default_profile=net_4_x
 966 fi
 967 DEFAULT_PROFILE=$default_profile
 968 AC_SUBST(DEFAULT_PROFILE)
 969
 970 #
 971 # End build profile configuration
 972 #
 973
 974 if test x$USE_NLS = xprofile_default; then
 975
 976 if test x$host_darwin = xyes; then
 977 # We make the default value for USE_NLS
 978 # "no" on OSX because it isn't available on most
 979 # default OSX installs. The most common configurations will
 980 # all disable it, so this saves us typing.
 981   USE_NLS=no
 982   AC_SUBST([USE_NLS])
 983   AC_MSG_RESULT([$USE_NLS])
 984 else
 985   USE_NLS=yes
 986   AC_SUBST([USE_NLS])
 987   AC_MSG_RESULT([$USE_NLS])
 988 fi
 989
 990 fi
 991
 992 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 993      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 994      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 995          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 996 [
 997         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 998                 eval "mono_feature_disable_$feature='yes'"
 999         done
1000         DISABLED_FEATURES=$enable_minimal
1001         disabled="Disabled:      $enable_minimal"
1002 ],[])
1003
1004 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1005
1006 if test "x$mono_feature_disable_aot" = "xyes"; then
1007         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1008         enable_system_aot=no
1009         AC_MSG_NOTICE([Disabled AOT compiler])
1010 fi
1011
1012 if test "x$mono_feature_disable_profiler" = "xyes"; then
1013         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1014         AC_MSG_NOTICE([Disabled support for the profiler])
1015 fi
1016 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1017
1018 if test "x$mono_feature_disable_decimal" = "xyes"; then
1019         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1020         AC_MSG_NOTICE([Disabled support for decimal])
1021 fi
1022
1023 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1024         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1025         AC_MSG_NOTICE([Disabled support for P/Invoke])
1026 fi
1027
1028 if test "x$mono_feature_disable_debug" = "xyes"; then
1029         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1030         AC_MSG_NOTICE([Disabled support for runtime debugging])
1031 fi
1032
1033 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1034         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1035         mono_feature_disable_reflection_emit_save=yes
1036         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1037 fi
1038
1039 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1040         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1041         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1042 fi
1043
1044 if test "x$mono_feature_disable_large_code" = "xyes"; then
1045         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1046         AC_MSG_NOTICE([Disabled support for large assemblies])
1047 fi
1048
1049 if test "x$mono_feature_disable_logging" = "xyes"; then
1050         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1051         AC_MSG_NOTICE([Disabled support for logging])
1052 fi
1053
1054 if test "x$mono_feature_disable_com" = "xyes"; then
1055         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1056         AC_MSG_NOTICE([Disabled COM support])
1057 fi
1058
1059 if test "x$mono_feature_disable_ssa" = "xyes"; then
1060         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1061         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1062 fi
1063
1064 if test "x$mono_feature_disable_generics" = "xyes"; then
1065         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1066         AC_MSG_NOTICE([Disabled Generics Support])
1067 fi
1068
1069 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1070         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1071         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1072 fi
1073
1074 if test "x$mono_feature_disable_portability" = "xyes"; then
1075         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1076         AC_MSG_NOTICE([Disabled IO Portability layer])
1077 fi
1078
1079 if test "x$mono_feature_disable_attach" = "xyes"; then
1080         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1081         AC_MSG_NOTICE([Disabled agent attach])
1082 fi
1083
1084 if test "x$mono_feature_disable_verifier" = "xyes"; then
1085         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1086         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1087 fi
1088
1089 if test "x$mono_feature_disable_jit" = "xyes"; then
1090         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1091         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1092 fi
1093
1094 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1095
1096 if test "x$mono_feature_disable_simd" = "xyes"; then
1097         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1098         AC_MSG_NOTICE([Disabled SIMD support])
1099 fi
1100
1101 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1102         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1103         AC_MSG_NOTICE([Disabled Soft Debugger.])
1104 fi
1105
1106 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1107         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1108         AC_MSG_NOTICE([Disabled Performance Counters.])
1109 fi
1110 if test "x$mono_feature_disable_normalization" = "xyes"; then
1111         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1112         AC_MSG_NOTICE([Disabled String normalization support.])
1113 fi
1114
1115 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1116         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1117         AC_MSG_NOTICE([Disabled Assembly remapping.])
1118 fi
1119
1120 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1121         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1122         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1123 fi
1124
1125 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1126         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1127         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1128 fi
1129
1130 if test "x$mono_feature_disable_remoting" = "xyes"; then
1131         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1132         AC_MSG_NOTICE([Disabled remoting])
1133 fi
1134
1135 if test "x$mono_feature_disable_security" = "xyes"; then
1136         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1137         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1138 fi
1139
1140 if test "x$mono_feature_disable_lldb" = "xyes"; then
1141         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1142         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1143 fi
1144
1145 if test "x$mono_feature_disable_mdb" = "xyes"; then
1146         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1147         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1148 fi
1149
1150 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1151         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1152         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1153 fi
1154
1155 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1156         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1157         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1158 fi
1159
1160 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1161         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1162         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1163 fi
1164
1165 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1166         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1167         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1168 fi
1169
1170 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1171         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1172         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1173 fi
1174
1175 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1176 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1177
1178 has_extension_module=no
1179 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1180 [
1181         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1182                 if test x$extension = xdefault ; then
1183                         has_extension_module=yes;
1184                 fi
1185         done
1186         if test x$enable_extension_module = xyes; then
1187                 has_extension_module=yes;
1188         fi
1189 ], [])
1190
1191 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1192
1193 if test x$has_extension_module != xno ; then
1194         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1195         AC_MSG_NOTICE([Enabling mono extension module.])
1196 fi
1197
1198 # Deprecated
1199 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1200
1201 AC_MSG_CHECKING(for visibility __attribute__)
1202 AC_COMPILE_IFELSE([
1203         AC_LANG_SOURCE([[
1204                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1205                 int main () { doit (); return 0; }
1206         ]])
1207 ], [
1208    have_visibility_hidden=yes
1209    AC_MSG_RESULT(yes)
1210 ], [
1211    have_visibility_hidden=no
1212    AC_MSG_RESULT(no)
1213 ])
1214
1215 dnl
1216 dnl Boehm GC configuration
1217 dnl
1218
1219 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1220
1221 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1222 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1223
1224 if test "x$support_boehm" = "xyes"; then
1225
1226         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1227         if test x$enable_parallel_mark = xyes; then
1228                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1229         fi
1230
1231         gc_msg=""
1232         LIBGC_CPPFLAGS=
1233         LIBGC_LIBS=
1234         LIBGC_STATIC_LIBS=
1235         libgc_dir=
1236         case "x$libgc" in
1237                 xincluded)
1238                         if test "x$support_boehm" = "xyes"; then
1239                                 libgc_dir=libgc
1240                         fi
1241
1242                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1243                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1244                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1245
1246                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1247
1248                         if test x$target_win32 = xyes; then
1249                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1250                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1251                         fi
1252
1253                         gc_msg="Included Boehm GC with typed GC"
1254                         if test x$enable_parallel_mark = xyes; then
1255                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1256                                 gc_msg="$gc_msg and parallel mark"
1257                         else
1258                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1259                         fi
1260                         ;;
1261
1262                 xboehm|xbohem|xyes)
1263                         AC_MSG_WARN("External Boehm is no longer supported")
1264                         ;;
1265
1266                 xsgen)
1267                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1268                         ;;
1269
1270                 xnone)
1271                         AC_MSG_WARN("Compiling mono without GC.")
1272                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1273                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1274                         gc_msg="none"
1275                         ;;
1276                 *)
1277                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1278                         ;;
1279         esac
1280
1281         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1282         if test "x$large_heap" = "xyes"; then
1283            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1284         fi
1285
1286         AC_SUBST(LIBGC_CPPFLAGS)
1287         AC_SUBST(LIBGC_LIBS)
1288         AC_SUBST(LIBGC_STATIC_LIBS)
1289         AC_SUBST(libgc_dir)
1290         AC_SUBST(BOEHM_DEFINES)
1291
1292 fi
1293
1294 dnl
1295 dnl End of Boehm GC Configuration
1296 dnl
1297
1298 dnl *************************************
1299 dnl *** Checks for zero length arrays ***
1300 dnl *************************************
1301 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1302 AC_TRY_COMPILE([
1303         struct s {
1304                 int  length;
1305                 char data [0];
1306         };
1307 ], [], [
1308         AC_MSG_RESULT(yes)
1309         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1310 ], [
1311         AC_MSG_RESULT(no)
1312         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1313 ])
1314
1315 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1316
1317 dnl ***********************************
1318 dnl *** Checks for signals
1319 dnl ***********************************
1320 AC_CHECK_HEADERS(signal.h)
1321 AC_CHECK_FUNCS(sigaction)
1322 AC_CHECK_FUNCS(kill)
1323 AC_CHECK_FUNCS(signal)
1324
1325 # signal() is declared inline in Android headers
1326 # so we need to workaround it by overriding the check.
1327 if test x$platform_android = xyes; then
1328         AC_DEFINE(HAVE_SIGNAL,1)
1329 fi
1330
1331 if test x$host_win32 = xno; then
1332
1333         dnl hires monotonic clock support
1334         AC_SEARCH_LIBS(clock_gettime, rt)
1335         AC_CHECK_FUNCS(clock_nanosleep)
1336
1337         dnl dynamic loader support
1338         AC_CHECK_FUNC(dlopen, DL_LIB="",
1339                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1340         )
1341         if test x$dl_support = xno; then
1342                 AC_MSG_WARN([No dynamic loading support available])
1343         else
1344                 LIBS="$LIBS $DL_LIB"
1345                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1346                 dnl from glib's configure.ac
1347                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1348                         mono_cv_uscore,[
1349                         AC_TRY_RUN([#include <dlfcn.h>
1350                         int mono_underscore_test (void) { return 42; }
1351                         int main() {
1352                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1353                           handle = dlopen ((void*)0, 0);
1354                           if (handle) {
1355                             f1 = dlsym (handle, "mono_underscore_test");
1356                             f2 = dlsym (handle, "_mono_underscore_test");
1357                           } return (!f2 || f1);
1358                         }],
1359                                 [mono_cv_uscore=yes],
1360                                 [mono_cv_uscore=no],
1361                         [])
1362                 ])
1363                 if test "x$mono_cv_uscore" = "xyes"; then
1364                         MONO_DL_NEED_USCORE=1
1365                 else
1366                         MONO_DL_NEED_USCORE=0
1367                 fi
1368                 AC_SUBST(MONO_DL_NEED_USCORE)
1369                 AC_CHECK_FUNC(dlerror)
1370         fi
1371
1372         dnl ******************************************************************
1373         dnl *** Checks for the IKVM JNI interface library                  ***
1374         dnl ******************************************************************
1375         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])
1376
1377         ikvm_native_dir=
1378         if test x$with_ikvm_native = xyes; then
1379                 ikvm_native_dir=ikvm-native
1380                 jdk_headers_found="IKVM Native"
1381         fi
1382
1383         AC_SUBST(ikvm_native_dir)
1384
1385         AC_CHECK_HEADERS(execinfo.h)
1386
1387         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1388
1389         AC_CHECK_FUNCS(getgrgid_r)
1390         AC_CHECK_FUNCS(getgrnam_r)
1391         AC_CHECK_FUNCS(getpwnam_r)
1392         AC_CHECK_FUNCS(getpwuid_r)
1393         AC_CHECK_FUNCS(getresuid)
1394         AC_CHECK_FUNCS(setresuid)
1395         AC_CHECK_FUNCS(kqueue)
1396         AC_CHECK_FUNCS(backtrace_symbols)
1397         AC_CHECK_FUNCS(mkstemp)
1398         AC_CHECK_FUNCS(mmap)
1399         AC_CHECK_FUNCS(madvise)
1400         AC_CHECK_FUNCS(getrusage)
1401         AC_CHECK_FUNCS(getpriority)
1402         AC_CHECK_FUNCS(setpriority)
1403         AC_CHECK_FUNCS(dl_iterate_phdr)
1404         AC_CHECK_FUNCS(dladdr)
1405         AC_CHECK_FUNCS(sysconf)
1406         AC_CHECK_FUNCS(getrlimit)
1407         AC_CHECK_FUNCS(prctl)
1408
1409         AC_CHECK_FUNCS(sched_getaffinity)
1410         AC_CHECK_FUNCS(sched_setaffinity)
1411         AC_CHECK_FUNCS(sched_getcpu)
1412
1413         dnl ****************************************************************
1414         dnl *** Check for sched_setaffinity from glibc versions before   ***
1415         dnl *** 2.3.4. The older versions of the function only take 2    ***
1416         dnl *** parameters, not 3.                                       ***
1417         dnl ***                                                          ***
1418         dnl *** Because the interface change was not made in a minor     ***
1419         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1420         dnl *** won't always indicate the interface sched_affinity has.  ***
1421         dnl ****************************************************************
1422         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1423         AC_TRY_COMPILE([#include <sched.h>], [
1424             int mask = 1;
1425             sched_setaffinity(0, &mask);
1426                         return 0;
1427         ], [
1428                 # Yes, we have it...
1429                 AC_MSG_RESULT(yes)
1430                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1431         ], [
1432                 # We have the new, three-parameter version
1433                 AC_MSG_RESULT(no)
1434         ])
1435         AC_TRY_COMPILE([#include <sched.h>], [
1436              CPU_COUNT((void *) 0);
1437         ], [
1438                 AC_MSG_RESULT(yes)
1439                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1440         ], [
1441                 # We have the new, three-parameter version
1442                 AC_MSG_RESULT(no)
1443         ])
1444
1445         dnl ******************************************************************
1446         dnl *** Check for large file support                               ***
1447         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1448         dnl ******************************************************************
1449
1450         # Check that off_t can represent 2**63 - 1 correctly, working around
1451         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1452         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1453         large_offt=no
1454         AC_DEFUN([LARGE_FILES], [
1455                 large_CPPFLAGS=$CPPFLAGS
1456                 CPPFLAGS="$CPPFLAGS $1"
1457                 AC_TRY_COMPILE([
1458                         #include <sys/types.h>
1459                         #include <limits.h>
1460                 ], [
1461                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1462                         #define COMPILE_TIME_ASSERT(pred) \
1463                                 switch(0){case 0:case pred:;}
1464                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1465                 ], [
1466                         AC_MSG_RESULT(ok)
1467                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1468                         large_CPPFLAGS="$large_CPPFLAGS $1"
1469                         large_offt=yes
1470                 ], [
1471                         AC_MSG_RESULT(no)
1472                 ])
1473                 CPPFLAGS=$large_CPPFLAGS
1474         ])
1475
1476         AC_MSG_CHECKING(if off_t is 64 bits wide)
1477         LARGE_FILES("")
1478         if test $large_offt = no; then
1479                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1480                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1481         fi
1482         if test $large_offt = no; then
1483                 AC_MSG_WARN([No 64 bit file size support available])
1484         fi
1485
1486         dnl *****************************
1487         dnl *** Checks for libsocket  ***
1488         dnl *****************************
1489         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1490
1491         case "$host" in
1492                 *-*-*freebsd*)
1493                         dnl *****************************
1494                         dnl *** Checks for libinotify ***
1495                         dnl *****************************
1496                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1497         esac
1498
1499         dnl *******************************
1500         dnl *** Checks for MSG_NOSIGNAL ***
1501         dnl *******************************
1502         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1503         AC_TRY_COMPILE([#include <sys/socket.h>], [
1504                 int f = MSG_NOSIGNAL;
1505         ], [
1506                 # Yes, we have it...
1507                 AC_MSG_RESULT(yes)
1508                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1509         ], [
1510                 # We'll have to use signals
1511                 AC_MSG_RESULT(no)
1512         ])
1513
1514         dnl *****************************
1515         dnl *** Checks for IPPROTO_IP ***
1516         dnl *****************************
1517         AC_MSG_CHECKING(for IPPROTO_IP)
1518         AC_TRY_COMPILE([#include <netinet/in.h>], [
1519                 int level = IPPROTO_IP;
1520         ], [
1521                 # Yes, we have it...
1522                 AC_MSG_RESULT(yes)
1523                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1524         ], [
1525                 # We'll have to use getprotobyname
1526                 AC_MSG_RESULT(no)
1527         ])
1528
1529         dnl *******************************
1530         dnl *** Checks for IPPROTO_IPV6 ***
1531         dnl *******************************
1532         AC_MSG_CHECKING(for IPPROTO_IPV6)
1533         AC_TRY_COMPILE([#include <netinet/in.h>], [
1534                 int level = IPPROTO_IPV6;
1535         ], [
1536                 # Yes, we have it...
1537                 AC_MSG_RESULT(yes)
1538                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1539         ], [
1540                 # We'll have to use getprotobyname
1541                 AC_MSG_RESULT(no)
1542         ])
1543
1544         dnl ******************************
1545         dnl *** Checks for IPPROTO_TCP ***
1546         dnl ******************************
1547         AC_MSG_CHECKING(for IPPROTO_TCP)
1548         AC_TRY_COMPILE([#include <netinet/in.h>], [
1549                 int level = IPPROTO_TCP;
1550         ], [
1551                 # Yes, we have it...
1552                 AC_MSG_RESULT(yes)
1553                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1554         ], [
1555                 # We'll have to use getprotobyname
1556                 AC_MSG_RESULT(no)
1557         ])
1558
1559         dnl *****************************
1560         dnl *** Checks for SOL_IP     ***
1561         dnl *****************************
1562         AC_MSG_CHECKING(for SOL_IP)
1563         AC_TRY_COMPILE([#include <netdb.h>], [
1564                 int level = SOL_IP;
1565         ], [
1566                 # Yes, we have it...
1567                 AC_MSG_RESULT(yes)
1568                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1569         ], [
1570                 # We'll have to use getprotobyname
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl *****************************
1575         dnl *** Checks for SOL_IPV6     ***
1576         dnl *****************************
1577         AC_MSG_CHECKING(for SOL_IPV6)
1578         AC_TRY_COMPILE([#include <netdb.h>], [
1579                 int level = SOL_IPV6;
1580         ], [
1581                 # Yes, we have it...
1582                 AC_MSG_RESULT(yes)
1583                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1584         ], [
1585                 # We'll have to use getprotobyname
1586                 AC_MSG_RESULT(no)
1587         ])
1588
1589         dnl *****************************
1590         dnl *** Checks for SOL_TCP    ***
1591         dnl *****************************
1592         AC_MSG_CHECKING(for SOL_TCP)
1593         AC_TRY_COMPILE([#include <netdb.h>], [
1594                 int level = SOL_TCP;
1595         ], [
1596                 # Yes, we have it...
1597                 AC_MSG_RESULT(yes)
1598                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1599         ], [
1600                 # We'll have to use getprotobyname
1601                 AC_MSG_RESULT(no)
1602         ])
1603
1604         dnl *****************************
1605         dnl *** Checks for IP_PKTINFO ***
1606         dnl *****************************
1607         AC_MSG_CHECKING(for IP_PKTINFO)
1608         AC_TRY_COMPILE([#include <linux/in.h>], [
1609                 int level = IP_PKTINFO;
1610         ], [
1611                 # Yes, we have it...
1612                 AC_MSG_RESULT(yes)
1613                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1614         ], [
1615                 AC_MSG_RESULT(no)
1616         ])
1617
1618         dnl *****************************
1619         dnl *** Checks for IPV6_PKTINFO ***
1620         dnl *****************************
1621         AC_MSG_CHECKING(for IPV6_PKTINFO)
1622         AC_TRY_COMPILE([#include <netdb.h>], [
1623                 int level = IPV6_PKTINFO;
1624         ], [
1625                 # Yes, we have it...
1626                 AC_MSG_RESULT(yes)
1627                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1628         ], [
1629                 AC_MSG_RESULT(no)
1630         ])
1631
1632         dnl **********************************
1633         dnl *** Checks for IP_DONTFRAG     ***
1634         dnl **********************************
1635         AC_MSG_CHECKING(for IP_DONTFRAG)
1636         AC_TRY_COMPILE([#include <netinet/in.h>], [
1637                 int level = IP_DONTFRAG;
1638         ], [
1639                 # Yes, we have it...
1640                 AC_MSG_RESULT(yes)
1641                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1642         ], [
1643                 AC_MSG_RESULT(no)
1644         ])
1645
1646         dnl **********************************
1647         dnl *** Checks for IP_DONTFRAGMENT ***
1648         dnl **********************************
1649         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1650         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1651                 int level = IP_DONTFRAGMENT;
1652         ], [
1653                 # Yes, we have it...
1654                 AC_MSG_RESULT(yes)
1655                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1656         ], [
1657                 AC_MSG_RESULT(no)
1658         ])
1659
1660         dnl **********************************
1661         dnl *** Checks for IP_MTU_DISCOVER ***
1662         dnl **********************************
1663         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1664         AC_TRY_COMPILE([#include <linux/in.h>], [
1665                 int level = IP_MTU_DISCOVER;
1666         ], [
1667                 # Yes, we have it...
1668                 AC_MSG_RESULT(yes)
1669                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1670         ], [
1671                 AC_MSG_RESULT(no)
1672         ])
1673
1674         dnl **********************************
1675         dnl *** Checks for  IP_PMTUDISC_DO ***
1676         dnl **********************************
1677         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1678         AC_TRY_COMPILE([#include <linux/in.h>], [
1679                 int level = IP_PMTUDISC_DO;
1680         ], [
1681                 # Yes, we have it...
1682                 AC_MSG_RESULT(yes)
1683                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1684         ], [
1685                 AC_MSG_RESULT(no)
1686         ])
1687
1688         dnl *********************************
1689         dnl *** Check for struct ip_mreqn ***
1690         dnl *********************************
1691         AC_MSG_CHECKING(for struct ip_mreqn)
1692         AC_TRY_COMPILE([#include <netinet/in.h>], [
1693                 struct ip_mreqn mreq;
1694                 mreq.imr_address.s_addr = 0;
1695         ], [
1696                 # Yes, we have it...
1697                 AC_MSG_RESULT(yes)
1698                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1699         ], [
1700                 # We'll just have to try and use struct ip_mreq
1701                 AC_MSG_RESULT(no)
1702                 AC_MSG_CHECKING(for struct ip_mreq)
1703                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1704                         struct ip_mreq mreq;
1705                         mreq.imr_interface.s_addr = 0;
1706                 ], [
1707                         # Yes, we have it...
1708                         AC_MSG_RESULT(yes)
1709                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1710                 ], [
1711                         # No multicast support
1712                         AC_MSG_RESULT(no)
1713                 ])
1714         ])
1715
1716         dnl **********************************
1717         dnl *** Check for getaddrinfo ***
1718         dnl **********************************
1719         AC_MSG_CHECKING(for getaddrinfo)
1720                 AC_TRY_LINK([
1721                 #include <stdio.h>
1722                 #include <netdb.h>
1723         ], [
1724                 getaddrinfo(NULL,NULL,NULL,NULL);
1725         ], [
1726                 # Yes, we have it...
1727                 AC_MSG_RESULT(yes)
1728                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1729         ], [
1730                 AC_MSG_RESULT(no)
1731         ])
1732
1733         dnl **********************************
1734         dnl *** Check for gethostbyname2_r ***
1735         dnl **********************************
1736         AC_MSG_CHECKING(for gethostbyname2_r)
1737                 AC_TRY_LINK([
1738                 #include <stdio.h>
1739                 #include <netdb.h>
1740         ], [
1741
1742                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1743         ], [
1744                 # Yes, we have it...
1745                 AC_MSG_RESULT(yes)
1746                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1747         ], [
1748                 AC_MSG_RESULT(no)
1749         ])
1750
1751         dnl **********************************
1752         dnl *** Check for gethostbyname2 ***
1753         dnl **********************************
1754         AC_MSG_CHECKING(for gethostbyname2)
1755                 AC_TRY_LINK([
1756                 #include <stdio.h>
1757                 #include <netdb.h>
1758         ], [
1759                 gethostbyname2(NULL,0);
1760         ], [
1761                 # Yes, we have it...
1762                 AC_MSG_RESULT(yes)
1763                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1764         ], [
1765                 AC_MSG_RESULT(no)
1766         ])
1767
1768         dnl **********************************
1769         dnl *** Check for gethostbyname ***
1770         dnl **********************************
1771         AC_MSG_CHECKING(for gethostbyname)
1772                 AC_TRY_LINK([
1773                 #include <stdio.h>
1774                 #include <netdb.h>
1775         ], [
1776                 gethostbyname(NULL);
1777         ], [
1778                 # Yes, we have it...
1779                 AC_MSG_RESULT(yes)
1780                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1781         ], [
1782                 AC_MSG_RESULT(no)
1783         ])
1784
1785         dnl **********************************
1786         dnl *** Check for getprotobyname ***
1787         dnl **********************************
1788         AC_MSG_CHECKING(for getprotobyname)
1789                 AC_TRY_LINK([
1790                 #include <stdio.h>
1791                 #include <netdb.h>
1792         ], [
1793                 getprotobyname(NULL);
1794         ], [
1795                 # Yes, we have it...
1796                 AC_MSG_RESULT(yes)
1797                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1798         ], [
1799                 AC_MSG_RESULT(no)
1800         ])
1801
1802         dnl **********************************
1803         dnl *** Check for getnameinfo ***
1804         dnl **********************************
1805         AC_MSG_CHECKING(for getnameinfo)
1806                 AC_TRY_LINK([
1807                 #include <stdio.h>
1808                 #include <netdb.h>
1809         ], [
1810                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1811         ], [
1812                 # Yes, we have it...
1813                 AC_MSG_RESULT(yes)
1814                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1815         ], [
1816                 AC_MSG_RESULT(no)
1817         ])
1818
1819
1820         dnl **********************************
1821         dnl *** Check for inet_ntop ***
1822         dnl **********************************
1823         AC_MSG_CHECKING(for inet_ntop)
1824                 AC_TRY_LINK([
1825                 #include <stdio.h>
1826                 #include <arpa/inet.h>
1827         ], [
1828                 inet_ntop (0, NULL, NULL, 0);
1829         ], [
1830                 # Yes, we have it...
1831                 AC_MSG_RESULT(yes)
1832                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1833         ], [
1834                 AC_MSG_RESULT(no)
1835         ])
1836
1837         dnl *****************************
1838         dnl *** Checks for libnsl     ***
1839         dnl *****************************
1840         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1841
1842         AC_CHECK_FUNCS(inet_pton inet_aton)
1843
1844         dnl *****************************
1845         dnl *** Checks for libxnet    ***
1846         dnl *****************************
1847         case "${host}" in
1848                 *solaris* )
1849                         AC_MSG_CHECKING(for Solaris XPG4 support)
1850                         if test -f /usr/lib/libxnet.so; then
1851                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1852                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1853                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1854                                 LIBS="$LIBS -lxnet"
1855                                 AC_MSG_RESULT(yes)
1856                         else
1857                                 AC_MSG_RESULT(no)
1858                         fi
1859
1860                         if test "$GCC" = "yes"; then
1861                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1862                         fi
1863                 ;;
1864         esac
1865
1866         dnl *****************************
1867         dnl *** Checks for libpthread ***
1868         dnl *****************************
1869 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1870 # and libpthread does not exist
1871 #
1872         case "${host}" in
1873                 *-*-*freebsd*)
1874                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1875                 ;;
1876                 *-*-*openbsd*)
1877                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1878                 ;;
1879                 *)
1880                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1881                 ;;
1882         esac
1883         AC_CHECK_HEADERS(pthread.h)
1884         AC_CHECK_HEADERS(pthread_np.h)
1885         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1886         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1887         AC_CHECK_FUNCS(pthread_kill)
1888         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1889         AC_TRY_COMPILE([ #include <pthread.h>], [
1890                 pthread_mutexattr_t attr;
1891                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1892         ], [
1893                 AC_MSG_RESULT(ok)
1894         ], [
1895                 AC_MSG_RESULT(no)
1896                 AC_ERROR(Posix system lacks support for recursive mutexes)
1897         ])
1898         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1899         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1900         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1901
1902         dnl **********************************
1903         dnl *** Check for mincore ***
1904         dnl **********************************
1905         AC_MSG_CHECKING(for mincore)
1906                 AC_TRY_LINK([
1907                 #include <stdio.h>
1908                 #include <sys/types.h>
1909                 #include <sys/mman.h>
1910         ], [
1911                 mincore(NULL, 0, NULL);
1912         ], [
1913                 # Yes, we have it...
1914                 AC_MSG_RESULT(yes)
1915                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1916         ], [
1917                 AC_MSG_RESULT(no)
1918         ])
1919
1920         dnl ***********************************
1921         dnl *** Checks for working __thread ***
1922         dnl ***********************************
1923         AC_MSG_CHECKING(for working __thread)
1924         if test "x$with_tls" != "x__thread"; then
1925                 AC_MSG_RESULT(disabled)
1926         elif test "x$cross_compiling" = "xyes"; then
1927                 AC_MSG_RESULT(cross compiling, assuming yes)
1928         else
1929                 AC_TRY_RUN([
1930                         #if defined(__APPLE__) && defined(__clang__)
1931                         #error "__thread does not currently work with clang on Mac OS X"
1932                         #endif
1933
1934                         #include <pthread.h>
1935                         __thread int i;
1936                         static int res1, res2;
1937
1938                         void thread_main (void *arg)
1939                         {
1940                                 i = arg;
1941                                 sleep (1);
1942                                 if (arg == 1)
1943                                         res1 = (i == arg);
1944                                 else
1945                                         res2 = (i == arg);
1946                         }
1947
1948                         int main () {
1949                                 pthread_t t1, t2;
1950
1951                                 i = 5;
1952
1953                                 pthread_create (&t1, NULL, thread_main, 1);
1954                                 pthread_create (&t2, NULL, thread_main, 2);
1955
1956                                 pthread_join (t1, NULL);
1957                                 pthread_join (t2, NULL);
1958
1959                                 return !(res1 + res2 == 2);
1960                         }
1961                 ], [
1962                                 AC_MSG_RESULT(yes)
1963                 ], [
1964                                 AC_MSG_RESULT(no)
1965                                 with_tls=pthread
1966                 ])
1967         fi
1968
1969         dnl **************************************
1970         dnl *** Checks for working sigaltstack ***
1971         dnl **************************************
1972         AC_MSG_CHECKING(for working sigaltstack)
1973         if test "x$with_sigaltstack" != "xyes"; then
1974                 AC_MSG_RESULT(disabled)
1975         elif test "x$cross_compiling" = "xyes"; then
1976                 AC_MSG_RESULT(cross compiling, assuming yes)
1977         else
1978                 AC_TRY_RUN([
1979                         #include <stdio.h>
1980                         #include <stdlib.h>
1981                         #include <unistd.h>
1982                         #include <signal.h>
1983                         #include <pthread.h>
1984                         #include <sys/wait.h>
1985                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1986                         #define SA_STACK SA_ONSTACK
1987                         #endif
1988                         static void
1989                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1990                         {
1991                                 exit (0);
1992                         }
1993
1994                         volatile char*__ptr = NULL;
1995                         static void *
1996                         loop (void *ignored)
1997                         {
1998                                 *__ptr = 0;
1999                                 return NULL;
2000                         }
2001
2002                         static void
2003                         child ()
2004                         {
2005                                 struct sigaction sa;
2006                         #ifdef __APPLE__
2007                                 stack_t sas;
2008                         #else
2009                                 struct sigaltstack sas;
2010                         #endif
2011                                 pthread_t id;
2012                                 pthread_attr_t attr;
2013
2014                                 sa.sa_sigaction = sigsegv_signal_handler;
2015                                 sigemptyset (&sa.sa_mask);
2016                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2017                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2018                                         perror ("sigaction");
2019                                         return;
2020                                 }
2021
2022                                 /* x86 darwin deliver segfaults using SIGBUS */
2023                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2024                                         perror ("sigaction");
2025                                         return;
2026                                 }
2027                                 sas.ss_sp = malloc (SIGSTKSZ);
2028                                 sas.ss_size = SIGSTKSZ;
2029                                 sas.ss_flags = 0;
2030                                 if (sigaltstack (&sas, NULL) == -1) {
2031                                         perror ("sigaltstack");
2032                                         return;
2033                                 }
2034
2035                                 pthread_attr_init (&attr);
2036                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2037                                         printf ("pthread_create\n");
2038                                         return;
2039                                 }
2040
2041                                 sleep (100);
2042                         }
2043
2044                         int
2045                         main ()
2046                         {
2047                                 pid_t son;
2048                                 int status;
2049                                 int i;
2050
2051                                 son = fork ();
2052                                 if (son == -1) {
2053                                         return 1;
2054                                 }
2055
2056                                 if (son == 0) {
2057                                         child ();
2058                                         return 0;
2059                                 }
2060
2061                                 for (i = 0; i < 300; ++i) {
2062                                         waitpid (son, &status, WNOHANG);
2063                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2064                                                 return 0;
2065                                         usleep (10000);
2066                                 }
2067
2068                                 kill (son, SIGKILL);
2069                                 return 1;
2070                         }
2071
2072                 ], [
2073                                 AC_MSG_RESULT(yes)
2074                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2075                 ], [
2076                                 with_sigaltstack=no
2077                                 AC_MSG_RESULT(no)
2078                 ])
2079         fi
2080
2081         dnl ********************************
2082         dnl *** Checks for semaphore lib ***
2083         dnl ********************************
2084         # 'Real Time' functions on Solaris
2085         # posix4 on Solaris 2.6
2086         # pthread (first!) on Linux
2087         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2088
2089         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2090         AC_CHECK_FUNCS(shm_open)
2091
2092         dnl ********************************
2093         dnl *** Checks for timezone stuff **
2094         dnl ********************************
2095         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2096                 AC_TRY_COMPILE([
2097                         #include <time.h>
2098                         ], [
2099                         struct tm tm;
2100                         tm.tm_gmtoff = 1;
2101                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2102         if test $ac_cv_struct_tm_gmtoff = yes; then
2103                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2104         else
2105                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2106                         AC_TRY_COMPILE([
2107                                 #include <time.h>
2108                         ], [
2109                                 timezone = 1;
2110                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2111                 if test $ac_cv_var_timezone = yes; then
2112                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2113                 else
2114                         AC_ERROR(unable to find a way to determine timezone)
2115                 fi
2116         fi
2117
2118         dnl *********************************
2119         dnl *** Checks for math functions ***
2120         dnl *********************************
2121         AC_SEARCH_LIBS(sqrtf, m)
2122         if test "x$has_broken_apple_cpp" != "xyes"; then
2123                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2124                         AC_TRY_LINK([#include <math.h>],
2125                         [ finite(0.0); ],
2126                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2127                         AC_MSG_RESULT(no)))
2128         fi
2129         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2130                 AC_TRY_LINK([#include <math.h>],
2131                 [ isfinite(0.0); ],
2132                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2133                 AC_MSG_RESULT(no)))
2134
2135         dnl ****************************************************************
2136         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2137         dnl *** have it in the library (duh))                            ***
2138         dnl ****************************************************************
2139         AC_CHECK_FUNCS(poll)
2140
2141         dnl *************************
2142         dnl *** Check for signbit ***
2143         dnl *************************
2144         AC_MSG_CHECKING(for signbit)
2145         AC_TRY_LINK([#include <math.h>], [
2146                 int s = signbit(1.0);
2147         ], [
2148                 AC_MSG_RESULT(yes)
2149                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2150         ], [
2151                 AC_MSG_RESULT(no)
2152         ])
2153
2154         dnl **********************************
2155         dnl *** epoll                      ***
2156         dnl **********************************
2157         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2158                 AC_CHECK_HEADERS(sys/epoll.h)
2159                 haveepoll=no
2160                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2161                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2162                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2163                 fi
2164         fi
2165
2166         havekqueue=no
2167
2168         AC_CHECK_HEADERS(sys/event.h)
2169         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2170
2171         dnl **************************************
2172         dnl * Darwin has a race that prevents us from using reliably:
2173         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2174         dnl * Since kqueue is mostly used for scaling large web servers,
2175         dnl * and very few folks run Mono on large web servers on OSX, falling
2176         dnl * back
2177         dnl **************************************
2178         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2179                 if test "x$host_darwin" = "xno"; then
2180                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2181                 fi
2182         fi
2183
2184         dnl ******************************
2185         dnl *** Checks for SIOCGIFCONF ***
2186         dnl ******************************
2187         AC_CHECK_HEADERS(sys/ioctl.h)
2188         AC_CHECK_HEADERS(net/if.h, [], [],
2189            [
2190            #ifdef HAVE_SYS_TYPES_H
2191            # include <sys/types.h>
2192            #endif
2193            #ifdef HAVE_SYS_SOCKET_H
2194            # include <sys/socket.h>
2195            #endif
2196            ])
2197         AC_MSG_CHECKING(for ifreq)
2198         AC_TRY_COMPILE([
2199                 #include <stdio.h>
2200                 #include <sys/ioctl.h>
2201                 #include <net/if.h>
2202                 ], [
2203                 struct ifconf ifc;
2204                 struct ifreq *ifr;
2205                 void *x;
2206                 ifc.ifc_len = 0;
2207                 ifc.ifc_buf = NULL;
2208                 x = (void *) &ifr->ifr_addr;
2209                 ],[
2210                         AC_MSG_RESULT(yes)
2211                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2212                 ], [
2213                         AC_MSG_RESULT(no)
2214                 ])
2215         dnl **********************************
2216         dnl ***     Checks for sin_len     ***
2217         dnl **********************************
2218         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2219         AC_TRY_COMPILE([
2220                 #include <netinet/in.h>
2221                 ], [
2222                 struct sockaddr_in saddr;
2223                 saddr.sin_len = sizeof (saddr);
2224                 ],[
2225                         AC_MSG_RESULT(yes)
2226                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2227                 ], [
2228                         AC_MSG_RESULT(no)
2229                 ])
2230         dnl **********************************
2231         dnl ***    Checks for sin6_len     ***
2232         dnl **********************************
2233         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2234         AC_TRY_COMPILE([
2235                 #include <netinet/in.h>
2236                 ], [
2237                 struct sockaddr_in6 saddr6;
2238                 saddr6.sin6_len = sizeof (saddr6);
2239                 ],[
2240                         AC_MSG_RESULT(yes)
2241                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2242                 ], [
2243                         AC_MSG_RESULT(no)
2244                 ])
2245         dnl **********************************
2246         dnl *** Check for getifaddrs       ***
2247         dnl **********************************
2248         AC_MSG_CHECKING(for getifaddrs)
2249                 AC_TRY_LINK([
2250                 #include <stdio.h>
2251                 #include <sys/types.h>
2252                 #include <sys/socket.h>
2253                 #include <ifaddrs.h>
2254         ], [
2255                 getifaddrs(NULL);
2256         ], [
2257                 # Yes, we have it...
2258                 AC_MSG_RESULT(yes)
2259                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2260         ], [
2261                 AC_MSG_RESULT(no)
2262         ])
2263         dnl **********************************
2264         dnl *** Check for if_nametoindex   ***
2265         dnl **********************************
2266         AC_MSG_CHECKING(for if_nametoindex)
2267                 AC_TRY_LINK([
2268                 #include <stdio.h>
2269                 #include <sys/types.h>
2270                 #include <sys/socket.h>
2271                 #include <net/if.h>
2272         ], [
2273                 if_nametoindex(NULL);
2274         ], [
2275                 # Yes, we have it...
2276                 AC_MSG_RESULT(yes)
2277                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2278         ], [
2279                 AC_MSG_RESULT(no)
2280         ])
2281
2282         dnl **********************************
2283         dnl *** Checks for MonoPosixHelper ***
2284         dnl **********************************
2285         AC_CHECK_HEADERS(checklist.h)
2286         AC_CHECK_HEADERS(pathconf.h)
2287         AC_CHECK_HEADERS(fstab.h)
2288         AC_CHECK_HEADERS(attr/xattr.h)
2289         AC_CHECK_HEADERS(sys/extattr.h)
2290         AC_CHECK_HEADERS(sys/sendfile.h)
2291         AC_CHECK_HEADERS(sys/statvfs.h)
2292         AC_CHECK_HEADERS(sys/statfs.h)
2293         AC_CHECK_HEADERS(sys/vfstab.h)
2294         AC_CHECK_HEADERS(sys/xattr.h)
2295         AC_CHECK_HEADERS(sys/mman.h)
2296         AC_CHECK_HEADERS(sys/param.h)
2297         AC_CHECK_HEADERS(sys/mount.h, [], [],
2298                 [
2299                 #ifdef HAVE_SYS_PARAM_H
2300                 # include <sys/param.h>
2301                 #endif
2302                 ])
2303         AC_CHECK_HEADERS(sys/mount.h)
2304         AC_CHECK_FUNCS(confstr)
2305         AC_CHECK_FUNCS(seekdir telldir)
2306         AC_CHECK_FUNCS(getdomainname)
2307         AC_CHECK_FUNCS(setdomainname)
2308         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2309         AC_CHECK_FUNCS(setgroups)
2310         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2311         AC_CHECK_FUNCS(getfsstat)
2312         AC_CHECK_FUNCS(lutimes futimes)
2313         AC_CHECK_FUNCS(mremap)
2314         AC_CHECK_FUNCS(remap_file_pages)
2315         AC_CHECK_FUNCS(posix_fadvise)
2316         AC_CHECK_FUNCS(posix_fallocate)
2317         AC_CHECK_FUNCS(posix_madvise)
2318         AC_CHECK_FUNCS(vsnprintf)
2319         AC_CHECK_FUNCS(sendfile)
2320         AC_CHECK_FUNCS(gethostid sethostid)
2321         AC_CHECK_FUNCS(sethostname)
2322         AC_CHECK_FUNCS(statfs)
2323         AC_CHECK_FUNCS(fstatfs)
2324         AC_CHECK_FUNCS(statvfs)
2325         AC_CHECK_FUNCS(fstatvfs)
2326         AC_CHECK_FUNCS(stime)
2327         AC_CHECK_FUNCS(strerror_r)
2328         AC_CHECK_FUNCS(ttyname_r)
2329         AC_CHECK_FUNCS(psignal)
2330         AC_CHECK_FUNCS(getlogin_r)
2331         AC_CHECK_FUNCS(lockf)
2332         AC_CHECK_FUNCS(swab)
2333         AC_CHECK_FUNCS(setusershell endusershell)
2334         AC_CHECK_FUNCS(futimens utimensat)
2335         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2336         AC_CHECK_FUNCS(readv writev preadv pwritev)
2337         AC_CHECK_FUNCS(setpgid)
2338         AC_CHECK_FUNCS(system)
2339         AC_CHECK_FUNCS(fork execv execve)
2340         AC_CHECK_FUNCS(accept4)
2341         AC_CHECK_SIZEOF(size_t)
2342         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2343                 [#include <sys/types.h>
2344                  #include <sys/stat.h>
2345                  #include <unistd.h>])
2346         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2347                 [#include <sys/types.h>
2348                  #include <sys/stat.h>
2349                  #include <unistd.h>])
2350         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2351                 [#include <sys/time.h>])
2352         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2353                 [#include <sys/socket.h>])
2354         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2355                 [#include <unistd.h>
2356                  #include <fcntl.h>])
2357         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2358                 [#include <sys/uio.h>])
2359         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2360                 [#include <sys/socket.h>])
2361         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2362                 [#include <sys/poll.h>])
2363         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2364                 [#include <sys/socket.h>])
2365         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2366                 [#include <sys/socket.h>])
2367         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2368                 [#include <netinet/in.h>])
2369         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2370                 [#include <netinet/in.h>])
2371         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2372                 [#include <sys/un.h>])
2373         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2374                 [#include <sys/types.h>
2375                  #include <sys/stat.h>
2376                  #include <unistd.h>])
2377         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2378                 [#include <time.h>])
2379         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2380                 [#include <sys/time.h>
2381                  #include <sys/types.h>
2382                  #include <utime.h>])
2383         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2384                 [#include <sys/time.h>])
2385         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2386                 [#include <sys/types.h>
2387                  #include <utime.h>])
2388         AC_CHECK_MEMBERS(
2389                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2390                 [#include <sys/types.h>
2391                  #include <dirent.h>])
2392         AC_CHECK_MEMBERS(
2393                 [struct passwd.pw_gecos],,,
2394                 [#include <sys/types.h>
2395                  #include <pwd.h>])
2396         AC_CHECK_MEMBERS(
2397                 [struct statfs.f_flags],,,
2398                 [#include <sys/types.h>
2399                  #include <sys/vfs.h>])
2400         AC_CHECK_MEMBERS(
2401                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2402                 [#include <sys/types.h>
2403                  #include <sys/stat.h>
2404                  #include <unistd.h>])
2405
2406         dnl Favour xattr through glibc, but use libattr if we have to
2407         AC_CHECK_FUNC(lsetxattr, ,
2408                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2409         )
2410         AC_SUBST(XATTR_LIB)
2411
2412         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2413         AC_CHECK_MEMBERS(
2414                 [struct kinfo_proc.kp_proc],,,
2415                 [#include <sys/types.h>
2416                  #include <sys/param.h>
2417                  #include <sys/sysctl.h>
2418                  #include <sys/proc.h>
2419                  ])
2420
2421         dnl *********************************
2422         dnl *** Checks for Windows compilation ***
2423         dnl *********************************
2424         AC_CHECK_HEADERS(sys/time.h)
2425         AC_CHECK_HEADERS(sys/param.h)
2426         AC_CHECK_HEADERS(dirent.h)
2427
2428         dnl ******************************************
2429         dnl *** Checks for OSX and iOS compilation ***
2430         dnl ******************************************
2431         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2432
2433         dnl *********************************
2434         dnl *** Check for Console 2.0 I/O ***
2435         dnl *********************************
2436         AC_CHECK_HEADERS([curses.h])
2437         AC_CHECK_HEADERS([term.h], [], [],
2438         [#if HAVE_CURSES_H
2439          #include <curses.h>
2440          #endif
2441         ])
2442         AC_CHECK_HEADERS([termios.h])
2443 else
2444         dnl *********************************
2445         dnl *** Checks for Windows compilation ***
2446         dnl *********************************
2447         AC_CHECK_HEADERS(winternl.h)
2448
2449         jdk_headers_found=no
2450         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2451         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2452         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2453         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2454         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2455         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2456         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2457
2458         dnl *********************************
2459         dnl *** Check for struct ip_mreqn ***
2460         dnl *********************************
2461         AC_MSG_CHECKING(for struct ip_mreqn)
2462         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2463                 struct ip_mreqn mreq;
2464                 mreq.imr_address.s_addr = 0;
2465         ], [
2466                 # Yes, we have it...
2467                 AC_MSG_RESULT(yes)
2468                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2469         ], [
2470                 # We'll just have to try and use struct ip_mreq
2471                 AC_MSG_RESULT(no)
2472                 AC_MSG_CHECKING(for struct ip_mreq)
2473                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2474                         struct ip_mreq mreq;
2475                         mreq.imr_interface.s_addr = 0;
2476                 ], [
2477                         # Yes, we have it...
2478                         AC_MSG_RESULT(yes)
2479                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2480                 ], [
2481                         # No multicast support
2482                         AC_MSG_RESULT(no)
2483                 ])
2484         ])
2485
2486         dnl **********************************
2487         dnl *** Check for getaddrinfo ***
2488         dnl **********************************
2489         AC_MSG_CHECKING(for getaddrinfo)
2490                 AC_TRY_LINK([
2491                 #include <stdio.h>
2492                 #include <winsock2.h>
2493                 #include <ws2tcpip.h>
2494         ], [
2495                 getaddrinfo(NULL,NULL,NULL,NULL);
2496         ], [
2497                 # Yes, we have it...
2498                 AC_MSG_RESULT(yes)
2499                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2500         ], [
2501                 AC_MSG_RESULT(no)
2502         ])
2503
2504         dnl **********************************
2505         dnl *** Check for gethostbyname ***
2506         dnl **********************************
2507         AC_MSG_CHECKING(for gethostbyname)
2508                 AC_TRY_LINK([
2509                 #include <stdio.h>
2510                 #include <winsock2.h>
2511                 #include <ws2tcpip.h>
2512         ], [
2513                 gethostbyname(NULL);
2514         ], [
2515                 # Yes, we have it...
2516                 AC_MSG_RESULT(yes)
2517                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2518         ], [
2519                 AC_MSG_RESULT(no)
2520         ])
2521
2522         dnl **********************************
2523         dnl *** Check for getprotobyname ***
2524         dnl **********************************
2525         AC_MSG_CHECKING(for getprotobyname)
2526                 AC_TRY_LINK([
2527                 #include <stdio.h>
2528                 #include <winsock2.h>
2529                 #include <ws2tcpip.h>
2530         ], [
2531                 getprotobyname(NULL);
2532         ], [
2533                 # Yes, we have it...
2534                 AC_MSG_RESULT(yes)
2535                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2536         ], [
2537                 AC_MSG_RESULT(no)
2538         ])
2539
2540         dnl **********************************
2541         dnl *** Check for getnameinfo ***
2542         dnl **********************************
2543         AC_MSG_CHECKING(for getnameinfo)
2544                 AC_TRY_LINK([
2545                 #include <stdio.h>
2546                 #include <winsock2.h>
2547                 #include <ws2tcpip.h>
2548         ], [
2549                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2550         ], [
2551                 # Yes, we have it...
2552                 AC_MSG_RESULT(yes)
2553                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2554         ], [
2555                 AC_MSG_RESULT(no)
2556         ])
2557
2558         dnl **********************************
2559         dnl *** Check for inet_ntop ***
2560         dnl **********************************
2561         AC_MSG_CHECKING(for inet_ntop)
2562                 AC_TRY_LINK([
2563                 #include <stdio.h>
2564                 #include <winsock2.h>
2565                 #include <ws2tcpip.h>
2566         ], [
2567                 inet_ntop (0, NULL, NULL, 0);
2568         ], [
2569                 # Yes, we have it...
2570                 AC_MSG_RESULT(yes)
2571                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2572         ], [
2573                 AC_MSG_RESULT(no)
2574         ])
2575
2576         dnl **********************************
2577         dnl *** Check for inet_pton ***
2578         dnl **********************************
2579         AC_MSG_CHECKING(for inet_pton)
2580                 AC_TRY_LINK([
2581                 #include <stdio.h>
2582                 #include <winsock2.h>
2583                 #include <ws2tcpip.h>
2584         ], [
2585                 #ifndef inet_pton
2586                 (void) inet_pton;
2587                 #endif
2588                 inet_pton (0, NULL, NULL);
2589         ], [
2590                 # Yes, we have it...
2591                 AC_MSG_RESULT(yes)
2592                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2593         ], [
2594                 AC_MSG_RESULT(no)
2595         ])
2596
2597         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2598         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2599         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2600         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2601         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2602         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2603         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2604 fi
2605
2606 dnl socklen_t check
2607 AC_MSG_CHECKING(for socklen_t)
2608 AC_TRY_COMPILE([
2609 #include <sys/types.h>
2610 #include <sys/socket.h>
2611 ],[
2612   socklen_t foo;
2613 ],[
2614 ac_cv_c_socklen_t=yes
2615         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2616         AC_MSG_RESULT(yes)
2617 ],[
2618         AC_MSG_RESULT(no)
2619 ])
2620
2621 AC_MSG_CHECKING(for array element initializer support)
2622 AC_TRY_COMPILE([#include <sys/socket.h>], [
2623         const int array[] = {[1] = 2,};
2624 ], [
2625         # Yes, we have it...
2626         AC_MSG_RESULT(yes)
2627         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2628 ], [
2629         # We'll have to use signals
2630         AC_MSG_RESULT(no)
2631 ])
2632
2633 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2634         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2635         AC_TRY_LINK([#include <math.h>],
2636         [ static void *p = &trunc; ],
2637         [
2638                 AC_DEFINE(HAVE_TRUNC)
2639                 AC_MSG_RESULT(yes)
2640                 ac_cv_trunc=yes
2641         ],
2642         AC_MSG_RESULT(no)))
2643
2644 if test "x$ac_cv_truncl" != "xyes"; then
2645    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2646 fi
2647
2648 AC_CHECK_FUNCS(execvp)
2649
2650 dnl ****************************
2651 dnl *** Look for /dev/random ***
2652 dnl ****************************
2653
2654 AC_MSG_CHECKING([if usage of random device is requested])
2655 AC_ARG_ENABLE(dev-random,
2656 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2657 try_dev_random=$enableval, try_dev_random=yes)
2658
2659 AC_MSG_RESULT($try_dev_random)
2660
2661 case "{$build}" in
2662     *-openbsd*)
2663     NAME_DEV_RANDOM="/dev/srandom"
2664     ;;
2665
2666 dnl Win32 does not have /dev/random, they have their own method...
2667
2668     *-mingw*|*-*-cygwin*)
2669     ac_cv_have_dev_random=no
2670     ;;
2671
2672 dnl Everywhere else, it's /dev/random
2673
2674     *)
2675     NAME_DEV_RANDOM="/dev/random"
2676     ;;
2677 esac
2678
2679 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2680
2681 dnl Now check if the device actually exists
2682
2683 if test "x$try_dev_random" = "xyes"; then
2684     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2685     [if test -r "$NAME_DEV_RANDOM" ; then
2686         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2687     if test "x$ac_cv_have_dev_random" = "xyes"; then
2688         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2689     fi
2690 else
2691     AC_MSG_CHECKING(for random device)
2692     ac_cv_have_dev_random=no
2693     AC_MSG_RESULT(has been disabled)
2694 fi
2695
2696 if test "x$host_win32" = "xyes"; then
2697     AC_DEFINE(HAVE_CRYPT_RNG)
2698 fi
2699
2700 if test "x$ac_cv_have_dev_random" = "xno" \
2701     && test "x$host_win32" = "xno"; then
2702     AC_MSG_WARN([[
2703 ***
2704 *** A system-provided entropy source was not found on this system.
2705 *** Because of this, the System.Security.Cryptography random number generator
2706 *** will throw a NotImplemented exception.
2707 ***
2708 *** If you are seeing this message, and you know your system DOES have an
2709 *** entropy collection in place, please contact <crichton@gimp.org> and
2710 *** provide information about the system and how to access the random device.
2711 ***
2712 *** Otherwise you can install either egd or prngd and set the environment
2713 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2714 ***]])
2715 fi
2716
2717 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2718
2719 AC_MSG_CHECKING([if big-arrays are to be enabled])
2720 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2721 if test "x$enable_big_arrays" = "xyes" ; then
2722     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2723         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2724     else
2725         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2726     fi
2727 fi
2728 AC_MSG_RESULT($enable_big_arrays)
2729
2730 dnl **************
2731 dnl *** DTRACE ***
2732 dnl **************
2733
2734 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2735
2736 if test "x$enable_dtrace" = "xyes"; then
2737    if test "x$has_dtrace" = "xno"; then
2738           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2739    fi
2740    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2741    if test "x$DTRACE" = "xno"; then
2742           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2743           enable_dtrace=no
2744    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2745           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2746           enable_dtrace=no
2747    fi
2748 fi
2749
2750 dtrace_g=no
2751 if test "x$enable_dtrace" = "xyes"; then
2752         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2753         DTRACEFLAGS=
2754         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2755                 case "$host" in
2756                         powerpc-*-darwin*)
2757                         DTRACEFLAGS="-arch ppc64"
2758                         ;;
2759                         i*86-*-darwin*)
2760                         DTRACEFLAGS="-arch x86_64"
2761                         ;;
2762                         *)
2763                         DTRACEFLAGS=-64
2764                         ;;
2765                 esac
2766         else
2767                 case "$host" in
2768                         powerpc-*-darwin*)
2769                         DTRACEFLAGS="-arch ppc"
2770                         ;;
2771                         i*86-*-darwin*)
2772                         DTRACEFLAGS="-arch i386"
2773                         ;;
2774                         *)
2775                         DTRACEFLAGS=-32
2776                         ;;
2777                 esac
2778         fi
2779         AC_SUBST(DTRACEFLAGS)
2780         case "$host" in
2781                 *-*-solaris*)
2782                 dtrace_g=yes
2783                 ;;
2784         esac
2785         AC_CHECK_HEADERS([sys/sdt.h])
2786 fi
2787 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2788 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2789
2790 dnl **************
2791 dnl ***  NaCl  ***
2792 dnl **************
2793
2794 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2795 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2796
2797 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2798
2799 dnl
2800 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2801 dnl
2802 nacl_self_host=""
2803 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2804    nacl_self_host="nacl_self_host"
2805 fi
2806 AC_SUBST(nacl_self_host)
2807
2808 if test "x$enable_nacl_codegen" = "xyes"; then
2809    MONO_NACL_ALIGN_MASK_OFF=1
2810    AC_DEFINE(TARGET_NACL, 1, [...])
2811    AC_DEFINE(__native_client_codegen__, 1, [...])
2812 fi
2813 if test "x$enable_nacl_gc" = "xyes"; then
2814    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2815       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2816    else
2817       # Not yet implemented
2818       INSTRUMENT_CFLAG=""
2819    fi
2820    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2821 fi
2822 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2823
2824 dnl **************************
2825 dnl *** AOT cross offsets  ***
2826 dnl **************************
2827
2828 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2829     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2830
2831 dnl **************
2832 dnl ***  LLVM  ***
2833 dnl **************
2834
2835 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2836 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2837 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2838 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2839
2840 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2841
2842 if test "x$enable_llvm" = "xdefault"; then
2843    enable_llvm=$enable_llvm_default
2844 fi
2845
2846 if test "x$enable_llvm" = "xyes"; then
2847    if test "x$with_llvm" != "x"; then
2848           LLVM_CONFIG=$with_llvm/bin/llvm-config
2849           if test x$host_win32 = xyes; then
2850                 LLVM_CONFIG=$LLVM_CONFIG.exe
2851           fi
2852           if test ! -x $LLVM_CONFIG; then
2853                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2854       fi
2855    else
2856       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2857       if test "x$LLVM_CONFIG" = "xno"; then
2858              AC_MSG_ERROR([llvm-config not found.])
2859       fi
2860    fi
2861
2862    llvm_codegen="x86codegen"
2863    case "$target" in
2864    arm*)
2865                 llvm_codegen="armcodegen"
2866                 ;;
2867    esac
2868
2869    if test "x$host_win32" = "xno"; then
2870
2871    # Should be something like '2.6' or '2.7svn'
2872    llvm_version=`$LLVM_CONFIG --version`
2873    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2874    AC_MSG_CHECKING(LLVM version)
2875    AC_MSG_RESULT($llvm_version $llvm_api_version)
2876    if echo $llvm_version | grep -q 'mono'; then
2877           if test "x$enable_llvm_version_check" = "xyes"; then
2878                  if test "$llvm_version" != "$expected_llvm_version"; then
2879                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2880                  fi
2881           fi
2882    else
2883           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.])
2884    fi
2885
2886    # The output of --cflags seems to include optimizations flags too
2887    if test $llvm_api_version -gt 100; then
2888           # The --cflags argument includes all kinds of warnings -pendantic etc.
2889           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2890           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2891    else
2892           LLVM_CFLAGS=`$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'`
2893       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2894    fi
2895    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2896    # from LLVM classes.
2897    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2898    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2899    # This might include empty lines
2900    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2901    llvm_jit_supported=yes
2902    llvm_jit_libs="jit mcjit $llvm_codegen"
2903    if test "x$host" != "x$target"; then
2904       # No need for jit libs
2905           llvm_jit_supported=no
2906       llvm_jit_libs=""
2907    elif test $llvm_api_version -gt 100; then
2908       llvm_jit_libs="orcjit $llvm_codegen"
2909    fi
2910    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2911    if test "x$LLVM_LIBS" = "x"; then
2912           echo "$LLVM_CONFIG --libs failed."
2913           exit 1
2914    fi
2915    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2916    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2917    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2918       LLVM_LIBS="$LLVM_LIBS -lc++"
2919    else
2920       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2921    fi
2922
2923    expected_llvm_version="3.4svn-mono-mono/e656cac"
2924
2925    else
2926        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2927        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2928        LLVM_LDFLAGS="-L$with_llvm/lib"
2929        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2930        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2931          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2932          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2933          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2934          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2935          -lLLVMAnalysis -lLLVMTarget \
2936          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2937          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2938          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2939          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2940          -lLLVMSupport -lstdc++"
2941        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2942
2943        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2944        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2945    fi
2946
2947    if test "x$llvm_api_version" = "x"; then
2948           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2949           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2950    else
2951           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2952           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2953    fi
2954
2955    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2956
2957    AC_SUBST(LLVM_CFLAGS)
2958    AC_SUBST(LLVM_CXXFLAGS)
2959    AC_SUBST(LLVM_LIBS)
2960    AC_SUBST(LLVM_LDFLAGS)
2961    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2962 fi
2963
2964 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2965 if test "x$enable_loadedllvm" = "xyes"; then
2966    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2967 fi
2968 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2969
2970 if test "x$enable_llvm" = "xyes"; then
2971    enable_llvm_runtime=yes
2972 fi
2973 if test "x$enable_llvm_runtime" = "xyes"; then
2974    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2975 fi
2976 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2977
2978 TARGET="unknown"
2979 ACCESS_UNALIGNED="yes"
2980
2981 LIBC="libc.so.6"
2982 INTL="libc.so.6"
2983 SQLITE="libsqlite.so.0"
2984 SQLITE3="libsqlite3.so.0"
2985 X11="libX11.so"
2986 GDKX11="libgdk-x11-2.0.so.0"
2987 GTKX11="libgtk-x11-2.0.so.0"
2988 XINERAMA="libXinerama.so.1"
2989
2990 sizeof_register="SIZEOF_VOID_P"
2991
2992 jit_wanted=true
2993 boehm_supported=true
2994 BTLS_SUPPORTED=no
2995 BTLS_PLATFORM=
2996 case "$host" in
2997         mips*)
2998                 TARGET=MIPS;
2999                 arch_target=mips;
3000                 with_tls=pthread;
3001                 ACCESS_UNALIGNED="no"
3002
3003                 AC_MSG_CHECKING(for mips n32)
3004                 AC_TRY_COMPILE([],[
3005                 #if _MIPS_SIM != _ABIN32
3006                 #error Not mips n32
3007                 #endif
3008                 return 0;
3009                 ],[
3010                 AC_MSG_RESULT(yes)
3011                 sizeof_register=8
3012                 ],[
3013                 AC_MSG_RESULT(no)
3014                 ])
3015                 ;;
3016         i*86-*-*)
3017                 TARGET=X86;
3018                 arch_target=x86;
3019                 case $host_os in
3020                   solaris*)
3021                         LIBC="libc.so"
3022                         INTL="libintl.so"
3023                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3024                                 TARGET=AMD64
3025                                 arch_target=amd64
3026                         fi
3027
3028                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3029                         # int astruct __attribute__ ((visibility ("hidden")));
3030                         # void foo ()
3031                         # {
3032                         #       void *p = &astruct;
3033                         # }
3034                         # gcc -fPIC --shared -o libfoo.so foo.c
3035                         # yields:
3036                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3037                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3038                         have_visibility_hidden=no
3039                         ;;
3040                   mingw*|cygwin*)
3041                         have_visibility_hidden=no
3042                         ;;
3043                   haiku*)
3044                         LIBC=libroot.so
3045                         ;;
3046                   linux*)
3047                         AOT_SUPPORTED="yes"
3048                         BTLS_SUPPORTED=yes
3049                         BTLS_PLATFORM=i386
3050                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3051                         ;;
3052                   darwin*)
3053                         AOT_SUPPORTED="yes"
3054                         BTLS_SUPPORTED=yes
3055                         BTLS_PLATFORM=i386
3056                         ;;
3057                   openbsd*|freebsd*|kfreebsd-gnu*)
3058                         ;;
3059                 esac
3060                 ;;
3061         x86_64-*-* | amd64-*-*)
3062                 TARGET=AMD64;
3063                 arch_target=amd64;
3064                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3065                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3066                         sizeof_register=8
3067                 fi
3068                 case $host_os in
3069                   linux*)
3070                         AOT_SUPPORTED="yes"
3071                         BTLS_SUPPORTED=yes
3072                         BTLS_PLATFORM=x86_64
3073                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3074                         ;;
3075                   darwin*)
3076                         AOT_SUPPORTED="yes"
3077                         BTLS_SUPPORTED=yes
3078                         BTLS_PLATFORM=x86_64
3079                         boehm_supported=false
3080                         ;;
3081                   openbsd*|freebsd*|kfreebsd-gnu*)
3082                         ;;
3083                   mingw*)
3084                         ;;
3085                 esac
3086                 case "$host" in
3087                         x86_64-*-nacl*)
3088                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3089                                 sizeof_register=8
3090                                 ;;
3091                 esac
3092                 ;;
3093         ia64-*-*)
3094                 TARGET=IA64
3095                 arch_target=ia64
3096                 ACCESS_UNALIGNED="no"
3097                 LIBC="libc.so.6.1"
3098                 INTL="libc.so.6.1"
3099                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3100                 libmono_ldflags="-lunwind"
3101                 ;;
3102         sparc*-*-*)
3103                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3104                    TARGET=SPARC64
3105                 else
3106                         TARGET=SPARC
3107                 fi
3108                 arch_target=sparc;
3109                 ACCESS_UNALIGNED="no"
3110                 case $host_os in
3111                   linux*) ;;
3112                   *)
3113                         LIBC="libc.so"
3114                         INTL="libintl.so"
3115                 esac
3116                 if test x"$GCC" = xyes; then
3117                         # We don't support v8 cpus
3118                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3119                 fi
3120                 if test x"$AR" = xfalse; then
3121                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3122                 fi
3123                 ;;
3124         *-mingw*|*-*-cygwin*)
3125                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3126                 have_visibility_hidden=no
3127                 INTL="intl"
3128                 ;;
3129         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3130         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3131                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3132                         TARGET=POWERPC64;
3133                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3134                         CFLAGS="$CFLAGS -mminimal-toc"
3135                 else
3136                         TARGET=POWERPC;
3137                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3138                 fi
3139                 arch_target=ppc;
3140                 case $host_os in
3141                   linux*|darwin*)
3142                         ;;
3143                 esac
3144                 ;;
3145         armv7k-*-darwin*)
3146                 TARGET=ARM;
3147                 TARGET_SYS=WATCHOS
3148                 arch_target=arm;
3149                 arm_fpu=VFP_HARD
3150                 ACCESS_UNALIGNED="no"
3151                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3152                 ;;
3153
3154         arm*-darwin*)
3155                 TARGET=ARM;
3156                 arch_target=arm;
3157                 ACCESS_UNALIGNED="no"
3158                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3159                 ;;
3160         arm*-linux*)
3161                 TARGET=ARM;
3162                 arch_target=arm;
3163                 ACCESS_UNALIGNED="no"
3164                 AOT_SUPPORTED="yes"
3165                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3166                 ;;
3167         arm*-netbsd*-eabi*)
3168                 TARGET=ARM;
3169                 arch_target=arm;
3170                 ACCESS_UNALIGNED="no"
3171                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3172                 ;;
3173 # TODO: make proper support for NaCl host.
3174 #        arm*-*nacl)
3175 #               TARGET=ARM;
3176 #               arch_target=arm;
3177 #               ACCESS_UNALIGNED="no"
3178 #               AOT_SUPPORTED="no"
3179 #               ;;
3180         aarch64-*)
3181                 # https://lkml.org/lkml/2012/7/15/133
3182                 TARGET=ARM64
3183                 arch_target=arm64
3184                 boehm_supported=false
3185                 AOT_SUPPORTED="yes"
3186                 ;;
3187         s390x-*-linux*)
3188                 TARGET=S390X;
3189                 arch_target=s390x;
3190                 ACCESS_UNALIGNED="yes"
3191                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3192                 ;;
3193 esac
3194
3195 HOST=$TARGET
3196
3197 if test "x$host" != "x$target"; then
3198    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3199    enable_mcs_build=no
3200    BTLS_SUPPORTED=no
3201    case "$target" in
3202    arm*-darwin*)
3203                 TARGET=ARM;
3204                 arch_target=arm;
3205                 ACCESS_UNALIGNED="no"
3206                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3207                 # Can't use tls, since it depends on the runtime detection of tls offsets
3208                 # in mono-compiler.h
3209                 with_tls=pthread
3210                 case "$target" in
3211                 armv7k-*)
3212                         arm_fpu=VFP_HARD
3213                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3214                         ;;
3215                 esac
3216                 ;;
3217    powerpc64-ps3-linux-gnu)
3218                 TARGET=POWERPC64
3219                 arch_target=powerpc64
3220                 AC_DEFINE(TARGET_PS3, 1, [...])
3221                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3222                 # uses this define
3223                 AC_DEFINE(__mono_ppc64__, 1, [...])
3224                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3225                 sizeof_register=8
3226                 target_byte_order=G_BIG_ENDIAN
3227                 ;;
3228    powerpc64-xbox360-linux-gnu)
3229                 TARGET=POWERPC64
3230                 arch_target=powerpc64
3231                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3232                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3233                 # uses this define
3234                 sizeof_register=8
3235                 target_byte_order=G_BIG_ENDIAN
3236                 ;;
3237    x86_64-*-nacl)
3238                 TARGET=AMD64
3239                 arch_target=amd64
3240                 AC_DEFINE(TARGET_AMD64, 1, [...])
3241                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3242                 sizeof_register=8
3243                 ;;
3244 # TODO: make proper support for NaCl target.
3245 #   arm*-*nacl)
3246 #               TARGET=ARM
3247 #               arch_target=arm
3248 #               AC_DEFINE(TARGET_ARM, 1, [...])
3249 #               ACCESS_UNALIGNED="no"
3250 #               sizeof_register=4
3251 #               CPPFLAGS="$CPPFLAGS \
3252 #                    -D__ARM_EABI__ \
3253 #                    -D__arm__ \
3254 #                    -D__portable_native_client__ \
3255 #                    -Dtimezone=_timezone \
3256 #                    -DDISABLE_SOCKETS \
3257 #                    -DDISABLE_ATTACH \
3258 #                    -DUSE_NEWLIB"
3259                 # Can't use tls, since it depends on the runtime detection of tls offsets
3260                 # in mono-compiler.h
3261 #               with_tls=pthread
3262 #               ;;
3263    i686-*-nacl)
3264                 TARGET=X86
3265                 arch_target=x86
3266                 AC_DEFINE(TARGET_X86, 1, [...])
3267                 sizeof_register=4
3268                 ;;
3269    arm*-linux-*)
3270                 TARGET=ARM;
3271                 arch_target=arm;
3272                 AC_DEFINE(TARGET_ARM, 1, [...])
3273                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3274                 ACCESS_UNALIGNED="no"
3275                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3276                 # Can't use tls, since it depends on the runtime detection of tls offsets
3277                 # in mono-compiler.h
3278                 with_tls=pthread
3279                 target_mach=no
3280                 case "$target" in
3281                 armv7l-unknown-linux-gnueabi*)
3282                         # TEGRA
3283                         CPPFLAGS="$CPPFLAGS"
3284                         ;;
3285                 armv5-*-linux-androideabi*)
3286                         CPPFLAGS="$CPPFLAGS"
3287                         ;;
3288                 esac
3289                 ;;
3290    arm*-netbsd*-eabi*)
3291                 TARGET=ARM;
3292                 arch_target=arm;
3293                 AC_DEFINE(TARGET_ARM, 1, [...])
3294                 ACCESS_UNALIGNED="no"
3295                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3296                 # Can't use tls, since it depends on the runtime detection of tls offsets
3297                 # in mono-compiler.h
3298                 with_tls=pthread
3299                 target_mach=no
3300                 ;;
3301    i686*-linux-*)
3302                 TARGET=X86;
3303                 arch_target=x86;
3304                 AC_DEFINE(TARGET_X86, 1, [...])
3305                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3306                 CPPFLAGS="$CPPFLAGS"
3307                 # Can't use tls, since it depends on the runtime detection of tls offsets
3308                 # in mono-compiler.h
3309                 with_tls=pthread
3310                 target_mach=no
3311                 ;;
3312    x86_64*-linux-*)
3313                 TARGET=AMD64;
3314                 arch_target=amd64;
3315                 AC_DEFINE(TARGET_AMD64, 1, [...])
3316                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3317                 CPPFLAGS="$CPPFLAGS"
3318                 # Can't use tls, since it depends on the runtime detection of tls offsets
3319                 # in mono-compiler.h
3320                 with_tls=pthread
3321                 target_mach=no
3322                 ;;
3323    x86_64-ps4-freebsd)
3324                 TARGET=AMD64;
3325                 arch_target=amd64;
3326                 AC_DEFINE(TARGET_AMD64, 1, [...])
3327                 AC_DEFINE(TARGET_PS4, 1, [...])
3328                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3329                 CPPFLAGS="$CPPFLAGS"
3330                 # Can't use tls, since it depends on the runtime detection of tls offsets
3331                 # in mono-compiler.h
3332                 with_tls=pthread
3333                 target_mach=no
3334                 target_win32=no
3335                 ;;
3336    aarch64*-linux-*)
3337                 TARGET=ARM64;
3338                 arch_target=arm64;
3339                 AC_DEFINE(TARGET_ARM64, 1, [...])
3340                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3341                 CPPFLAGS="$CPPFLAGS"
3342                 # Can't use tls, since it depends on the runtime detection of tls offsets
3343                 # in mono-compiler.h
3344                 with_tls=pthread
3345                 target_mach=no
3346                 ;;
3347         aarch64-*)
3348                 TARGET=ARM64
3349                 ;;
3350         *)
3351                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3352         esac
3353 fi
3354
3355 case "$TARGET" in
3356 X86)
3357         AC_DEFINE(TARGET_X86, 1, [...])
3358         ;;
3359 AMD64)
3360         AC_DEFINE(TARGET_AMD64, 1, [...])
3361         ;;
3362 ARM)
3363         AC_DEFINE(TARGET_ARM, 1, [...])
3364         ;;
3365 ARM64)
3366         AC_DEFINE(TARGET_ARM64, 1, [...])
3367         ;;
3368 POWERPC)
3369         AC_DEFINE(TARGET_POWERPC, 1, [...])
3370         ;;
3371 POWERPC64)
3372         AC_DEFINE(TARGET_POWERPC, 1, [...])
3373         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3374         ;;
3375 S390X)
3376         AC_DEFINE(TARGET_S390X, 1, [...])
3377         ;;
3378 MIPS)
3379         AC_DEFINE(TARGET_MIPS, 1, [...])
3380         ;;
3381 IA64)
3382         AC_DEFINE(TARGET_IA64, 1, [...])
3383         ;;
3384 SPARC)
3385         AC_DEFINE(TARGET_SPARC, 1, [...])
3386         ;;
3387 SPARC64)
3388         AC_DEFINE(TARGET_SPARC64, 1, [...])
3389         ;;
3390 esac
3391
3392 case "$HOST" in
3393 X86)
3394         AC_DEFINE(HOST_X86, 1, [...])
3395         ;;
3396 AMD64)
3397         AC_DEFINE(HOST_AMD64, 1, [...])
3398         ;;
3399 ARM)
3400         AC_DEFINE(HOST_ARM, 1, [...])
3401         ;;
3402 ARM64)
3403         AC_DEFINE(HOST_ARM64, 1, [...])
3404         ;;
3405 POWERPC)
3406         AC_DEFINE(HOST_POWERPC, 1, [...])
3407         ;;
3408 POWERPC64)
3409         AC_DEFINE(HOST_POWERPC, 1, [...])
3410         AC_DEFINE(HOST_POWERPC64, 1, [...])
3411         ;;
3412 S390X)
3413         AC_DEFINE(HOST_S390X, 1, [...])
3414         ;;
3415 MIPS)
3416         AC_DEFINE(HOST_MIPS, 1, [...])
3417         ;;
3418 IA64)
3419         AC_DEFINE(HOST_IA64, 1, [...])
3420         ;;
3421 SPARC)
3422         AC_DEFINE(HOST_SPARC, 1, [...])
3423         ;;
3424 SPARC64)
3425         AC_DEFINE(HOST_SPARC64, 1, [...])
3426         ;;
3427 esac
3428
3429
3430
3431 dnl *************
3432 dnl *** VTUNE ***
3433 dnl *************
3434
3435 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3436 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3437
3438 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3439
3440 if test "x$enable_vtune" = "xyes"; then
3441         if test "x$with_vtune" = "x"; then
3442                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3443         else
3444                 VTUNE_PATH=$with_vtune
3445         fi
3446         VTUNE_INCLUDE=$VTUNE_PATH/include
3447         case "$TARGET" in
3448         X86)
3449                 VTUNE_LIB=$VTUNE_PATH/lib32
3450                 ;;
3451         AMD64)
3452                 VTUNE_LIB=$VTUNE_PATH/lib64
3453                 ;;
3454         *)
3455                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3456                 ;;
3457         esac
3458         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3459                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3460         fi
3461         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3462                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3463         fi
3464
3465         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3466         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3467
3468         AC_SUBST(VTUNE_LIBS)
3469         AC_SUBST(VTUNE_CFLAGS)
3470 fi
3471 dnl Use GCC atomic ops if they work on the target.
3472 if test x$GCC = "xyes"; then
3473         case $TARGET in
3474         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3475                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3476                 ;;
3477         esac
3478 fi
3479
3480 if test "x$target_mach" = "xyes"; then
3481
3482    if test "x$TARGET_SYS" = "xWATCHOS"; then
3483           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3484           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3485           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3486           BTLS_SUPPORTED=no
3487    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3488           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3489           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3490           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3491           BTLS_SUPPORTED=no
3492    else
3493        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3494        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3495        #error fail this for ios
3496        #endif
3497        return 0;
3498        ], [
3499                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3500           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3501           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3502        ], [
3503           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3504           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3505           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3506           BTLS_SUPPORTED=no
3507        ])
3508         fi
3509    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3510 fi
3511
3512 if test "x$sizeof_register" = "x4"; then
3513    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3514 elif test "x$sizeof_register" = "x8"; then
3515    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3516 else
3517    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3518 fi
3519
3520 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3521    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3522 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3523    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3524 else
3525    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3526 fi
3527
3528 if test "x$have_visibility_hidden" = "xyes"; then
3529    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3530 fi
3531
3532 if test "x$have_deprecated" = "xyes"; then
3533    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3534 fi
3535
3536 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3537 if test "x$buildinterpreter" = "xyes"; then
3538     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3539     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3540 fi
3541
3542 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3543
3544
3545 dnl
3546 dnl Simple Generational checks (sgen)
3547 dnl
3548 SGEN_DEFINES=
3549 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3550 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3551 if test x$buildsgen = xyes; then
3552    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3553    SGEN_DEFINES="-DHAVE_SGEN_GC"
3554
3555         conc_gc_msg=""
3556    if test x$with_sgen_default_concurrent != xno; then
3557        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3558            conc_gc_msg=" (concurrent by default)"
3559    fi
3560
3561    if test "x$gc_msg" = "x"; then
3562       gc_msg="sgen$conc_gc_msg"
3563    else
3564       gc_msg="sgen$conc_gc_msg and $gc_msg"
3565    fi
3566 fi
3567 AC_SUBST(SGEN_DEFINES)
3568 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3569
3570 jit_status="Building and using the JIT"
3571
3572 libsuffix=".so"
3573
3574 case "$host" in
3575      *-*-darwin*)
3576         libsuffix=".dylib"
3577         LIBC="libc.dylib"
3578         INTL="libintl.dylib"
3579         SQLITE="libsqlite.0.dylib"
3580         SQLITE3="libsqlite3.0.dylib"
3581         X11="libX11.dylib"
3582         GDKX11="libgdk-x11-2.0.dylib"
3583         GTKX11="libgtk-x11-2.0.dylib"
3584         ;;
3585      *-*-*netbsd*)
3586         LIBC="libc.so"
3587         INTL="libintl.so"
3588         SQLITE="libsqlite.so"
3589         SQLITE3="libsqlite3.so"
3590         ;;
3591      *-*-kfreebsd*-gnu)
3592         LIBC="libc.so.0.1"
3593         INTL="libc.so.0.1"
3594         X11="libX11.so.6"
3595         ;;
3596     *-*-*freebsd*)
3597         LIBC="libc.so.7"
3598         INTL="libintl.so"
3599         SQLITE="libsqlite.so"
3600         SQLITE3="libsqlite3.so"
3601         ;;
3602     *-*-*openbsd*)
3603         LIBC="libc.so"
3604         INTL="libintl.so"
3605         SQLITE="libsqlite.so"
3606         SQLITE3="libsqlite3.so"
3607         ;;
3608     *-*-*linux*)
3609         AC_PATH_X
3610         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3611         AC_MSG_CHECKING(for the soname of libX11.so)
3612         for i in $x_libraries $dlsearch_path; do
3613                 for r in 4 5 6; do
3614                         if test -f $i/libX11.so.$r; then
3615                                 X11=libX11.so.$r
3616                                 AC_MSG_RESULT($X11)
3617                         fi
3618                 done
3619         done
3620
3621         if test "x$X11" = "xlibX11.so"; then
3622                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3623                 X11=libX11.so.6
3624         fi
3625         ;;
3626 esac
3627
3628
3629 AC_SUBST(libsuffix)
3630
3631 AC_ARG_WITH([libgdiplus],
3632         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3633         [], [with_libgdiplus=installed])
3634
3635 # default install location
3636 libgdiplus_install_loc=libgdiplus${libsuffix}
3637 case "$host" in
3638     *-*-*linux*)
3639     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3640     ;;
3641 esac
3642
3643 case $with_libgdiplus in
3644     no|installed)
3645     libgdiplus_loc=
3646     ;;
3647
3648     yes|sibling)
3649     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3650     ;;
3651
3652     /*) # absolute path, assume it is an install location
3653     libgdiplus_loc=$with_libgdiplus
3654     libgdiplus_install_loc=$with_libgdiplus
3655     ;;
3656
3657     *)
3658     libgdiplus_loc=`pwd`/$with_libgdiplus
3659     ;;
3660 esac
3661 AC_SUBST([libgdiplus_loc])
3662 AC_SUBST([libgdiplus_install_loc])
3663
3664 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3665 if test "x$icall_symbol_map" = "xyes"; then
3666    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3667 fi
3668
3669 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3670 if test "x$icall_export" = "xyes"; then
3671    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3672 fi
3673
3674 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3675 if test "x$icall_tables" = "xno"; then
3676    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3677 fi
3678
3679 if test "x$with_tls" = "x__thread"; then
3680         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3681         # Pass the information to libgc
3682         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3683         AC_MSG_CHECKING(if the tls_model attribute is supported)
3684         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3685                 ], [
3686                         AC_MSG_RESULT(yes)
3687                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3688                 ], [
3689                         AC_MSG_RESULT(no)
3690         ])
3691 fi
3692
3693 if test ${TARGET} = ARM; then
3694         dnl ******************************************
3695         dnl *** Check to see what FPU is available ***
3696         dnl ******************************************
3697         AC_MSG_CHECKING(which FPU to use)
3698
3699         #
3700         # This is a bit tricky:
3701         #
3702         # if (__ARM_PCS_VFP) {
3703         #       /* mfloat-abi=hard == VFP with hard ABI */
3704         # } elif (!__SOFTFP__) {
3705         #       /* mfloat-abi=softfp == VFP with soft ABI */
3706         # } else {
3707         #       /* mfloat-abi=soft == no VFP */
3708         # }
3709         #
3710         # The exception is iOS (w/ GCC) where none of the above
3711         # are defined (but iOS always uses the 'softfp' ABI).
3712         #
3713         # No support for FPA.
3714         #
3715
3716         fpu=NONE
3717
3718         # iOS GCC always uses the 'softfp' ABI.
3719         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3720                 fpu=VFP
3721         fi
3722
3723         # Are we using the 'hard' ABI?
3724         if test x$fpu = xNONE; then
3725                 AC_TRY_COMPILE([], [
3726                         #ifndef __ARM_PCS_VFP
3727                         #error "Float ABI is not 'hard'"
3728                         #endif
3729                         return 0;
3730                 ], [
3731                         fpu=VFP_HARD
3732                 ], [
3733                         fpu=NONE
3734                 ])
3735         fi
3736
3737         # No 'hard' ABI. 'soft' or 'softfp'?
3738         if test x$fpu = xNONE; then
3739                 AC_TRY_COMPILE([], [
3740                         #ifdef __SOFTFP__
3741                         #error "Float ABI is not 'softfp'"
3742                         #endif
3743                         return 0;
3744                 ], [
3745                         fpu=VFP
3746                 ], [
3747                         fpu=NONE
3748                 ])
3749         fi
3750
3751         if test x$arm_fpu != x; then
3752            fpu=$arm_fpu
3753         fi
3754
3755         AC_MSG_RESULT($fpu)
3756         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3757         unset fpu
3758
3759         dnl *********************************************
3760         dnl *** Check which ARM version(s) we can use ***
3761         dnl *********************************************
3762         AC_MSG_CHECKING(which ARM version to use)
3763
3764         AC_TRY_COMPILE([], [
3765                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3766                 #error Not on ARM v5.
3767                 #endif
3768                 return 0;
3769         ], [
3770                 arm_v5=yes
3771
3772                 arm_ver=ARMv5
3773         ], [])
3774
3775         AC_TRY_COMPILE([], [
3776                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3777                 #error Not on ARM v6.
3778                 #endif
3779                 return 0;
3780         ], [
3781                 arm_v5=yes
3782                 arm_v6=yes
3783
3784                 arm_ver=ARMv6
3785         ], [])
3786
3787         AC_TRY_COMPILE([], [
3788                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3789                 #error Not on ARM v7.
3790                 #endif
3791                 return 0;
3792         ], [
3793                 arm_v5=yes
3794                 arm_v6=yes
3795                 arm_v7=yes
3796
3797                 arm_ver=ARMv7
3798         ], [])
3799
3800         AC_MSG_RESULT($arm_ver)
3801
3802         if test x$arm_v5 = xyes; then
3803                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3804                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3805         fi
3806
3807         if test x$arm_v6 = xyes; then
3808                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3809                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3810         fi
3811
3812         if test x$arm_v7 = xyes; then
3813                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3814                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3815         fi
3816 fi
3817
3818 if test ${TARGET} = unknown; then
3819         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3820         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3821 fi
3822
3823 if test "x$platform_android" = "xyes"; then
3824         case "x${TARGET}" in
3825         xARM)
3826                 case "x$arm_ver" in
3827                 xARMv5)
3828                         BTLS_SUPPORTED=yes
3829                         BTLS_PLATFORM=android-armv5
3830                         ;;
3831                 xARMv6)
3832                         BTLS_SUPPORTED=yes
3833                         BTLS_PLATFORM=android-armv6
3834                         ;;
3835                 xARMv7)
3836                         BTLS_SUPPORTED=yes
3837                         BTLS_PLATFORM=android-armv7
3838                         ;;
3839                 *)
3840                         BTLS_SUPPORTED=no
3841                         ;;
3842                 esac
3843                 ;;
3844         xARM64)
3845                 BTLS_SUPPORTED=yes
3846                 BTLS_PLATFORM=android-v8a
3847                 ;;
3848         xX86)
3849                 BTLS_SUPPORTED=yes
3850                 BTLS_PLATFORM=android-x86
3851                 ;;
3852         xAMD64)
3853                 BTLS_SUPPORTED=yes
3854                 BTLS_PLATFORM=android-x64
3855                 ;;
3856         *)
3857                 BTLS_SUPPORTED=no
3858                 ;;
3859         esac
3860 fi
3861
3862 if test ${ACCESS_UNALIGNED} = no; then
3863         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3864 fi
3865
3866 if test x$host_darwin = xyes; then
3867         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3868         AS_IF(
3869                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3870                 [AC_MSG_RESULT([no])],
3871                 [
3872                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3873                         AR_FLAGS="Scru"
3874                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3875                         AC_MSG_RESULT([yes])
3876                 ]
3877         )
3878 fi
3879
3880 case "x$libgc" in
3881         xincluded)
3882                 # Pass CPPFLAGS to libgc configure
3883                 # We should use a separate variable for this to avoid passing useless and
3884                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3885                 # This should be executed late so we pick up the final version of CPPFLAGS
3886                 # The problem with this approach, is that during a reconfigure, the main
3887                 # configure scripts gets invoked with these arguments, so we use separate
3888                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3889                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3890                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3891                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3892                 fi
3893                 # Don't pass -finstrument-for-thread-suspension in,
3894                 # if these are instrumented it will be very bad news
3895                 # (infinite recursion, undefined parking behavior, etc)
3896                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3897                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3898                 if test "x$support_boehm" = "xyes"; then
3899                         AC_CONFIG_SUBDIRS(libgc)
3900                 fi
3901                 ;;
3902 esac
3903
3904 MALLOC_MEMPOOLS=no
3905 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3906         if test x$with_malloc_mempools = xyes; then
3907                 MALLOC_MEMPOOLS=yes
3908                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3909         fi
3910 ])
3911
3912
3913 DISABLE_MCS_DOCS=default
3914 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3915         if test x$with_mcs_docs != xyes; then
3916                 DISABLE_MCS_DOCS=yes
3917         fi
3918 ])
3919 if test -n "$INSTALL_4_x_TRUE"; then :
3920         DISABLE_MCS_DOCS=yes
3921 fi
3922 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3923    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3924 fi
3925
3926 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3927         if test x$with_lazy_gc_thread_creation != xno ; then
3928                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3929         fi
3930 ], [with_lazy_gc_thread_creation=no])
3931
3932 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [with_cooperative_gc=default])
3933
3934 if test x$with_cooperative_gc = xdefault; then
3935         with_cooperative_gc=$with_cooperative_gc_default
3936 fi
3937
3938 if test x$with_cooperative_gc != xno; then
3939         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3940 fi
3941
3942 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3943
3944 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread],[
3945
3946         if test x$enable_checked_build != x ; then
3947                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3948         fi
3949         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3950                 eval "mono_checked_build_test_enable_$feature='yes'"
3951         done
3952
3953         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3954                 eval "mono_checked_build_test_enable_gc='yes'"
3955                 eval "mono_checked_build_test_enable_metadata='yes'"
3956                 eval "mono_checked_build_test_enable_thread='yes'"
3957         fi
3958
3959         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3960                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3961         fi
3962
3963         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3964                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3965         fi
3966
3967         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3968                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3969         fi
3970
3971 ], [])
3972
3973 AC_CHECK_HEADER([malloc.h],
3974                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3975                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3976
3977 if test x"$GCC" = xyes; then
3978         # Implicit function declarations are not 64 bit safe
3979         # Do this late, since this causes lots of configure tests to fail
3980         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3981         # jay has a lot of implicit declarations
3982         JAY_CFLAGS="-Wno-implicit-function-declaration"
3983 fi
3984
3985 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3986 # instead of libmono-static.a
3987 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3988    LIBMONO_LA=libmini-static.la
3989 else
3990    if test x$buildsgen = xyes; then
3991       LIBMONO_LA=libmonosgen-$API_VER.la
3992    else
3993       LIBMONO_LA=libmonoboehm-$API_VER.la
3994    fi
3995 fi
3996 AC_SUBST(LIBMONO_LA)
3997
3998 dnl **************
3999 dnl ***  Btls  ***
4000 dnl **************
4001
4002 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4003 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4004
4005 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4006
4007 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4008
4009 btls_android=no
4010 if test "x$enable_btls" = "xyes"; then
4011         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4012         if test "x$CMAKE" = "xno"; then
4013                 AC_MSG_ERROR("cmake not found")
4014         fi
4015
4016         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4017         AC_SUBST(BTLS_ROOT)
4018
4019         btls_arch=
4020         btls_cflags=
4021         BTLS_CMAKE_ARGS=
4022
4023         case "$BTLS_PLATFORM" in
4024         i386)
4025                 btls_arch=i386
4026                 btls_cflags="-m32"
4027                 case $host_os in
4028                         darwin*)
4029                                 btls_cflags="$btls_cflags -arch i386"
4030                 esac
4031                 ;;
4032         x86_64)
4033                 btls_arch=x86_64
4034                 ;;
4035         android-armv5)
4036                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4037                 ;;
4038         android-armv6)
4039                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4040                 ;;
4041         android-armv7)
4042                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4043                 ;;
4044         android-v8a)
4045                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4046                 ;;
4047         android-x86)
4048                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4049                 ;;
4050         android-x64)
4051                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4052                 ;;
4053         *)
4054                 AC_MSG_ERROR(Invalid BTLS platform)
4055         esac
4056
4057         if test "x$platform_android" = "xyes"; then
4058                 btls_android=yes
4059                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4060                 if test "x$with_btls_android_ndk" != "x"; then
4061                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4062                 fi
4063         fi
4064
4065         if test "x$btls_arch" != "x"; then
4066                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4067         fi
4068
4069         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4070         AC_SUBST(BTLS_ARCH)
4071         AC_SUBST(BTLS_CFLAGS)
4072         AC_SUBST(BTLS_PLATFORM)
4073         AC_SUBST(BTLS_CMAKE_ARGS)
4074
4075         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4076 else
4077         enable_btls=no
4078 fi
4079
4080 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4081
4082 if test x$DISABLE_MCS_DOCS = xyes; then
4083    docs_dir=""
4084 else
4085    docs_dir=docs
4086 fi
4087 AC_SUBST(docs_dir)
4088
4089 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4090 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4091
4092 libmono_ldflags="$libmono_ldflags $LIBS"
4093
4094 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4095 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4096 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4097 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4098 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4099 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4100 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4101 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4102 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4103 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4104 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4105 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4106 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4107 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4108 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4109 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4110 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4111 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4112
4113 AC_SUBST(LIBC)
4114 AC_SUBST(INTL)
4115 AC_SUBST(SQLITE)
4116 AC_SUBST(SQLITE3)
4117 AC_SUBST(X11)
4118 AC_SUBST(GDKX11)
4119 AC_SUBST(GTKX11)
4120 AC_SUBST(XINERAMA)
4121 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4122 AC_SUBST(arch_target)
4123 AC_SUBST(CFLAGS)
4124 AC_SUBST(CPPFLAGS)
4125 AC_SUBST(LDFLAGS)
4126
4127 #This must always be defined when building the runtime
4128 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4129
4130 mono_build_root=`pwd`
4131 AC_SUBST(mono_build_root)
4132
4133 mono_runtime=mono/mini/mono
4134 AC_SUBST(mono_runtime)
4135
4136 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4137
4138 if test $csc_compiler = mcs; then
4139   CSC=$mcs_topdir/class/lib/build/mcs.exe
4140 else
4141   CSC=$CSC_LOCATION
4142 fi
4143
4144 mono_cfg_root=$mono_build_root/runtime
4145 if test x$host_win32 = xyes; then
4146   if test "x$cross_compiling" = "xno"; then
4147     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4148     CSC="'"`cygpath -w -a $CSC`"'"
4149         CSC_LOCATION="'"`cygpath -w -a $CSC_LOCATION`"'"
4150   else
4151     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4152   fi
4153 else
4154   mono_cfg_dir=$mono_cfg_root/etc
4155 fi
4156 AC_SUBST(mono_cfg_dir)
4157
4158 AC_SUBST(CSC)
4159
4160 AC_CONFIG_FILES([po/mcs/Makefile.in])
4161
4162 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4163 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4164
4165 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4166 [   depth=../../../..
4167     case $srcdir in
4168     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4169     .) reldir=$depth ;;
4170     *) reldir=$depth/$srcdir ;;
4171     esac
4172     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4173     cd runtime/etc/mono/1.0
4174     rm -f machine.config
4175     $LN_S $reldir/data/net_1_1/machine.config machine.config
4176     cd $depth
4177 ],[LN_S='$LN_S'])
4178
4179 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4180 [   depth=../../../..
4181     case $srcdir in
4182     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4183     .) reldir=$depth ;;
4184     *) reldir=$depth/$srcdir ;;
4185     esac
4186     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4187     cd runtime/etc/mono/2.0
4188     rm -f machine.config
4189     $LN_S $reldir/data/net_2_0/machine.config machine.config
4190     cd $depth
4191 ],[LN_S='$LN_S'])
4192
4193 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4194 [   depth=../../../..
4195     case $srcdir in
4196     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4197     .) reldir=$depth ;;
4198     *) reldir=$depth/$srcdir ;;
4199     esac
4200     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4201     cd runtime/etc/mono/2.0
4202     rm -f web.config
4203     $LN_S $reldir/data/net_2_0/web.config web.config
4204     cd $depth
4205 ],[LN_S='$LN_S'])
4206
4207 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4208 [   depth=../../..
4209     case $srcdir in
4210     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4211     .) reldir=$depth ;;
4212     *) reldir=$depth/$srcdir ;;
4213     esac
4214     $ac_aux_dir/install-sh -d runtime/etc/mono/
4215     cd runtime/etc/mono/
4216     rm -f browscap.ini
4217     $LN_S $reldir/data/browscap.ini browscap.ini
4218     cd $depth
4219 ],[LN_S='$LN_S'])
4220
4221 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4222 [   depth=../../../../..
4223     case $srcdir in
4224     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4225     .) reldir=$depth ;;
4226     *) reldir=$depth/$srcdir ;;
4227     esac
4228     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4229     cd runtime/etc/mono/2.0/Browsers
4230     rm -f Compat.browser
4231     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4232     cd $depth
4233 ],[LN_S='$LN_S'])
4234
4235 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4236 [   depth=../../../../..
4237     case $srcdir in
4238     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4239     .) reldir=$depth ;;
4240     *) reldir=$depth/$srcdir ;;
4241     esac
4242     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4243     cd runtime/etc/mono/4.0/Browsers
4244     rm -f Compat.browser
4245     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4246     cd $depth
4247 ],[LN_S='$LN_S'])
4248
4249 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4250 [   depth=../../../../..
4251     case $srcdir in
4252     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4253     .) reldir=$depth ;;
4254     *) reldir=$depth/$srcdir ;;
4255     esac
4256     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4257     cd runtime/etc/mono/4.5/Browsers
4258     rm -f Compat.browser
4259     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4260     cd $depth
4261 ],[LN_S='$LN_S'])
4262
4263 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4264 [   depth=../../../..
4265     case $srcdir in
4266     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4267     .) reldir=$depth ;;
4268     *) reldir=$depth/$srcdir ;;
4269     esac
4270     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4271     cd runtime/etc/mono/4.0
4272     rm -f machine.config
4273     $LN_S $reldir/data/net_4_0/machine.config machine.config
4274     cd $depth
4275 ],[LN_S='$LN_S'])
4276
4277 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4278 [   depth=../../../..
4279     case $srcdir in
4280     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4281     .) reldir=$depth ;;
4282     *) reldir=$depth/$srcdir ;;
4283     esac
4284     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4285     cd runtime/etc/mono/4.0
4286     rm -f web.config
4287     $LN_S $reldir/data/net_4_0/web.config web.config
4288     cd $depth
4289 ],[LN_S='$LN_S'])
4290
4291 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4292 [   depth=../../../..
4293     case $srcdir in
4294     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4295     .) reldir=$depth ;;
4296     *) reldir=$depth/$srcdir ;;
4297     esac
4298     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4299     cd runtime/etc/mono/4.5
4300     rm -f machine.config
4301     $LN_S $reldir/data/net_4_5/machine.config machine.config
4302     cd $depth
4303 ],[LN_S='$LN_S'])
4304
4305 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4306 [   depth=../../../..
4307     case $srcdir in
4308     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4309     .) reldir=$depth ;;
4310     *) reldir=$depth/$srcdir ;;
4311     esac
4312     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4313     cd runtime/etc/mono/4.5
4314     rm -f web.config
4315     $LN_S $reldir/data/net_4_5/web.config web.config
4316     cd $depth
4317 ],[LN_S='$LN_S'])
4318
4319 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])
4320 AC_CONFIG_COMMANDS([nolock-libtool], [sed -e 's/lock_old_archive_extraction=yes/lock_old_archive_extraction=no/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
4321
4322 AC_OUTPUT([
4323 Makefile
4324 mono-uninstalled.pc
4325 acceptance-tests/Makefile
4326 llvm/Makefile
4327 scripts/mono-find-provides
4328 scripts/mono-find-requires
4329 mono/Makefile
4330 mono/btls/Makefile
4331 mono/utils/Makefile
4332 mono/metadata/Makefile
4333 mono/dis/Makefile
4334 mono/cil/Makefile
4335 mono/arch/Makefile
4336 mono/arch/x86/Makefile
4337 mono/arch/amd64/Makefile
4338 mono/arch/ppc/Makefile
4339 mono/arch/sparc/Makefile
4340 mono/arch/s390x/Makefile
4341 mono/arch/arm/Makefile
4342 mono/arch/arm64/Makefile
4343 mono/arch/ia64/Makefile
4344 mono/arch/mips/Makefile
4345 mono/sgen/Makefile
4346 mono/tests/Makefile
4347 mono/tests/tests-config
4348 mono/tests/assemblyresolve/Makefile
4349 mono/tests/gc-descriptors/Makefile
4350 mono/unit-tests/Makefile
4351 mono/benchmark/Makefile
4352 mono/io-layer/Makefile
4353 mono/mini/Makefile
4354 mono/profiler/Makefile
4355 m4/Makefile
4356 ikvm-native/Makefile
4357 scripts/Makefile
4358 man/Makefile
4359 docs/Makefile
4360 data/Makefile
4361 data/net_2_0/Makefile
4362 data/net_4_0/Makefile
4363 data/net_4_5/Makefile
4364 data/net_2_0/Browsers/Makefile
4365 data/net_4_0/Browsers/Makefile
4366 data/net_4_5/Browsers/Makefile
4367 data/mint.pc
4368 data/mono-2.pc
4369 data/monosgen-2.pc
4370 data/mono.pc
4371 data/mono-cairo.pc
4372 data/mono-nunit.pc
4373 data/mono-options.pc
4374 data/mono-lineeditor.pc
4375 data/monodoc.pc
4376 data/dotnet.pc
4377 data/dotnet35.pc
4378 data/wcf.pc
4379 data/cecil.pc
4380 data/system.web.extensions_1.0.pc
4381 data/system.web.extensions.design_1.0.pc
4382 data/system.web.mvc.pc
4383 data/system.web.mvc2.pc
4384 data/system.web.mvc3.pc
4385 data/aspnetwebstack.pc
4386 data/reactive.pc
4387 samples/Makefile
4388 support/Makefile
4389 data/config
4390 tools/Makefile
4391 tools/locale-builder/Makefile
4392 tools/sgen/Makefile
4393 tools/monograph/Makefile
4394 tools/pedump/Makefile
4395 runtime/Makefile
4396 msvc/Makefile
4397 po/Makefile
4398 ])
4399
4400 # Update all submodules recursively to ensure everything is checked out
4401 $srcdir/scripts/update_submodules
4402
4403 if test x$host_win32 = xyes; then
4404    # Get rid of 'cyg' prefixes in library names
4405    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4406    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4407    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4408    # executable doesn't work...
4409    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4410 fi
4411
4412 if test x$host_darwin = xyes; then
4413    # This doesn't seem to be required and it slows down parallel builds
4414    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4415 fi
4416
4417 (
4418   case $prefix in
4419   NONE) prefix=$ac_default_prefix ;;
4420   esac
4421   case $exec_prefix in
4422   NONE) exec_prefix='${prefix}' ;;
4423   esac
4424
4425   #
4426   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4427   # any existing config.make.  This allows people to share the same source tree
4428   # with different build directories, one native and one cross
4429   #
4430   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4431
4432     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4433
4434     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4435     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4436     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4437     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4438     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4439     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4440     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4441     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4442     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4443
4444     case $INSTALL in
4445     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4446     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4447     esac
4448
4449     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4450
4451     export VERSION
4452     [myver=$($AWK 'BEGIN {
4453       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4454       if(length(vsplit [1]) > 4) {
4455         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4456       }
4457       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4458     }')]
4459
4460     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4461
4462     if test x$host_darwin = xyes; then
4463       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4464     fi
4465
4466     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4467       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4468     fi
4469
4470         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4471            enable_system_aot=yes
4472         fi
4473
4474     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4475       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4476     fi
4477
4478     if test x$DISABLE_MCS_DOCS = xyes; then
4479       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4480     fi
4481
4482     if test x$has_extension_module != xno; then
4483         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4484     fi
4485
4486     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4487
4488     if test "x$test_bcl_opt" = "xyes"; then
4489       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4490     fi
4491
4492     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4493
4494     if test $csc_compiler = mcs; then
4495       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4496     fi
4497
4498     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4499       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4500       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4501     fi
4502
4503     if test "x$enable_btls" = "xyes"; then
4504       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4505       if test "x$enable_dynamic_btls" = "xyes"; then
4506         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4507       fi
4508     fi
4509
4510   fi
4511
4512 )
4513
4514 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4515
4516 btls_platform_string=
4517 if test x$enable_btls = xyes; then
4518         if test x$btls_android = xyes; then
4519                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4520         else
4521                 btls_platform_string=" ($BTLS_PLATFORM)"
4522         fi
4523 fi
4524
4525 echo "
4526         mcs source:    $mcsdir
4527         C# Compiler:   $csc_compiler
4528
4529    Engine:
4530         Host:          $host
4531         Target:        $target
4532         GC:            $gc_msg
4533         TLS:           $with_tls
4534         SIGALTSTACK:   $with_sigaltstack
4535         Engine:        $jit_status
4536         BigArrays:     $enable_big_arrays
4537         DTrace:        $enable_dtrace
4538         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4539         Interpreter:   $buildinterpreter
4540
4541    Libraries:
4542         .NET 4.x:        $with_profile4_x
4543         Xamarin.Android: $with_monodroid
4544         Xamarin.iOS:     $with_monotouch
4545         Xamarin.WatchOS: $with_monotouch_watch
4546         Xamarin.TVOS:    $with_monotouch_tv
4547         Xamarin.Mac:     $with_xammac
4548         Windows AOT:     $with_winaot
4549         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4550         JNI support:     $jdk_headers_found
4551         libgdiplus:      $libgdiplus_msg
4552         zlib:            $zlib_msg
4553         BTLS:            $enable_btls$btls_platform_string
4554         $disabled
4555 "
4556 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4557    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4558 fi