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 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 807
 808
 809 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])
 810
 811 dnl
 812 dnl Profile defaults
 813 dnl
 814 TEST_PROFILE=default
 815 enable_llvm_default=no
 816
 817 with_profile4_x_default=no
 818 with_monodroid_default=no
 819 with_monotouch_default=no
 820 with_monotouch_watch_default=no
 821 with_monotouch_tv_default=no
 822 with_xammac_default=no
 823 with_testing_aot_hybrid_default=no
 824 with_testing_aot_full_default=no
 825 with_winaot_default=no
 826 with_orbis_default=no
 827
 828 with_bitcode_default=no
 829 with_cooperative_gc_default=no
 830
 831 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 832
 833 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 834    DISABLE_MCS_DOCS_default=yes
 835 elif test x$with_runtime_preset = xnet_4_x; then
 836    with_profile4_x_default=yes
 837 elif test x$with_runtime_preset = xall; then
 838    with_profile4_x_default=yes
 839    with_monodroid_default=yes
 840    with_monotouch_default=yes
 841    with_monotouch_watch_default=yes
 842    with_monotouch_tv_default=yes
 843    with_xammac_default=yes
 844    with_winaot_default=yes
 845    with_orbis_default=yes
 846 elif test x$with_runtime_preset = xfullaot; then
 847    DISABLE_MCS_DOCS_default=yes
 848    with_testing_aot_full_default=yes
 849    TEST_PROFILE=testing_aot_full
 850
 851    mono_feature_disable_com='yes'
 852    mono_feature_disable_remoting='yes'
 853    mono_feature_disable_reflection_emit_save='yes'
 854    mono_feature_disable_reflection_emit='yes'
 855    mono_feature_disable_appdomains='yes'
 856
 857    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 858    AOT_RUN_FLAGS="--full-aot"
 859 elif test x$with_runtime_preset = xbitcode; then
 860    DISABLE_MCS_DOCS_default=yes
 861    with_testing_aot_full_default=yes
 862    with_bitcode_default=yes
 863    with_cooperative_gc_default=yes
 864    TEST_PROFILE=testing_aot_full
 865    enable_llvm_default=yes
 866
 867    mono_feature_disable_com='yes'
 868    mono_feature_disable_remoting='yes'
 869    mono_feature_disable_reflection_emit_save='yes'
 870    mono_feature_disable_reflection_emit='yes'
 871    mono_feature_disable_appdomains='yes'
 872
 873    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 874    AOT_RUN_FLAGS="--llvmonly"
 875 elif test x$with_runtime_preset = xhybridaot; then
 876    DISABLE_MCS_DOCS_default=yes
 877    with_testing_aot_hybrid_default=yes
 878    TEST_PROFILE=testing_aot_hybrid
 879
 880    mono_feature_disable_com='yes'
 881    mono_feature_disable_remoting='yes'
 882    mono_feature_disable_appdomains='yes'
 883
 884    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 885    AOT_RUN_FLAGS="--hybrid-aot"
 886 elif test x$with_runtime_preset = xaot; then
 887    with_profile4_x_default=yes
 888
 889    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 890    AOT_RUN_FLAGS=""
 891
 892    DISABLE_MCS_DOCS_default=yes
 893 else
 894    with_profile4_x_default=yes
 895 fi
 896
 897 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 898    AC_SUBST(AOT_BUILD_FLAGS)
 899    AC_SUBST(AOT_RUN_FLAGS)
 900    # For llvmonlycheck + fullaotcheck
 901    AC_SUBST(INVARIANT_AOT_OPTIONS)
 902 fi
 903
 904 AC_SUBST(TEST_PROFILE)
 905
 906 if test "x$with_profile4_x" = "xdefault"; then
 907    with_profile4_x=$with_profile4_x_default
 908 fi
 909 if test "x$with_monodroid" = "xdefault"; then
 910    with_monodroid=$with_monodroid_default
 911 fi
 912 if test "x$with_monotouch" = "xdefault"; then
 913    with_monotouch=$with_monotouch_default
 914 fi
 915 if test "x$with_monotouch_watch" = "xdefault"; then
 916    with_monotouch_watch=$with_monotouch_watch_default
 917 fi
 918 if test "x$with_monotouch_tv" = "xdefault"; then
 919    with_monotouch_tv=$with_monotouch_tv_default
 920 fi
 921 if test "x$with_bitcode" = "xdefault"; then
 922    with_bitcode=$with_bitcode_default
 923 fi
 924 if test "x$with_xammac" = "xdefault"; then
 925    with_xammac=$with_xammac_default
 926 fi
 927 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 928    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 929 fi
 930 if test "x$with_testing_aot_full" = "xdefault"; then
 931    with_testing_aot_full=$with_testing_aot_full_default
 932 fi
 933 if test "x$with_winaot" = "xdefault"; then
 934    with_winaot=$with_winaot_default
 935 fi
 936 if test "x$with_orbis" = "xdefault"; then
 937    with_orbis=$with_orbis_default
 938 fi
 939
 940
 941 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 942 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 943 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 944 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 945 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 946 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 947 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 948 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 949 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 950 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 951 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 952
 953 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 954 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 955
 956 default_profile=net_4_x
 957 if test -z "$INSTALL_MONODROID_TRUE"; then :
 958    default_profile=monodroid
 959 fi
 960 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 961    default_profile=monotouch
 962 fi
 963 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 964    default_profile=xammac
 965 fi
 966 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 967    default_profile=testing_aot_hybrid
 968 fi
 969 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 970    default_profile=testing_aot_full
 971 fi
 972 if test -z "$INSTALL_4_x_TRUE"; then :
 973    default_profile=net_4_x
 974 fi
 975 DEFAULT_PROFILE=$default_profile
 976 AC_SUBST(DEFAULT_PROFILE)
 977
 978 #
 979 # End build profile configuration
 980 #
 981
 982 if test x$USE_NLS = xprofile_default; then
 983
 984 if test x$host_darwin = xyes; then
 985 # We make the default value for USE_NLS
 986 # "no" on OSX because it isn't available on most
 987 # default OSX installs. The most common configurations will
 988 # all disable it, so this saves us typing.
 989   USE_NLS=no
 990   AC_SUBST([USE_NLS])
 991   AC_MSG_RESULT([$USE_NLS])
 992 else
 993   USE_NLS=yes
 994   AC_SUBST([USE_NLS])
 995   AC_MSG_RESULT([$USE_NLS])
 996 fi
 997
 998 fi
 999
1000 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1001      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1002      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1003          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1004 [
1005         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1006                 eval "mono_feature_disable_$feature='yes'"
1007         done
1008         DISABLED_FEATURES=$enable_minimal
1009         disabled="Disabled:      $enable_minimal"
1010 ],[])
1011
1012 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1013
1014 if test "x$mono_feature_disable_aot" = "xyes"; then
1015         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1016         enable_system_aot=no
1017         AC_MSG_NOTICE([Disabled AOT compiler])
1018 fi
1019
1020 if test "x$mono_feature_disable_profiler" = "xyes"; then
1021         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1022         AC_MSG_NOTICE([Disabled support for the profiler])
1023 fi
1024 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1025
1026 if test "x$mono_feature_disable_decimal" = "xyes"; then
1027         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1028         AC_MSG_NOTICE([Disabled support for decimal])
1029 fi
1030
1031 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1032         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1033         AC_MSG_NOTICE([Disabled support for P/Invoke])
1034 fi
1035
1036 if test "x$mono_feature_disable_debug" = "xyes"; then
1037         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1038         AC_MSG_NOTICE([Disabled support for runtime debugging])
1039 fi
1040
1041 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1042         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1043         mono_feature_disable_reflection_emit_save=yes
1044         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1045 fi
1046
1047 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1048         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1049         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1050 fi
1051
1052 if test "x$mono_feature_disable_large_code" = "xyes"; then
1053         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1054         AC_MSG_NOTICE([Disabled support for large assemblies])
1055 fi
1056
1057 if test "x$mono_feature_disable_logging" = "xyes"; then
1058         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1059         AC_MSG_NOTICE([Disabled support for logging])
1060 fi
1061
1062 if test "x$mono_feature_disable_com" = "xyes"; then
1063         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1064         AC_MSG_NOTICE([Disabled COM support])
1065 fi
1066
1067 if test "x$mono_feature_disable_ssa" = "xyes"; then
1068         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1069         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1070 fi
1071
1072 if test "x$mono_feature_disable_generics" = "xyes"; then
1073         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1074         AC_MSG_NOTICE([Disabled Generics Support])
1075 fi
1076
1077 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1078         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1079         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1080 fi
1081
1082 if test "x$mono_feature_disable_portability" = "xyes"; then
1083         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1084         AC_MSG_NOTICE([Disabled IO Portability layer])
1085 fi
1086
1087 if test "x$mono_feature_disable_attach" = "xyes"; then
1088         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1089         AC_MSG_NOTICE([Disabled agent attach])
1090 fi
1091
1092 if test "x$mono_feature_disable_verifier" = "xyes"; then
1093         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1094         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1095 fi
1096
1097 if test "x$mono_feature_disable_jit" = "xyes"; then
1098         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1099         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1100 fi
1101
1102 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1103
1104 if test "x$mono_feature_disable_simd" = "xyes"; then
1105         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1106         AC_MSG_NOTICE([Disabled SIMD support])
1107 fi
1108
1109 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1110         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1111         AC_MSG_NOTICE([Disabled Soft Debugger.])
1112 fi
1113
1114 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1115         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1116         AC_MSG_NOTICE([Disabled Performance Counters.])
1117 fi
1118 if test "x$mono_feature_disable_normalization" = "xyes"; then
1119         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1120         AC_MSG_NOTICE([Disabled String normalization support.])
1121 fi
1122
1123 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1124         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1125         AC_MSG_NOTICE([Disabled Assembly remapping.])
1126 fi
1127
1128 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1129         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1130         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1131 fi
1132
1133 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1134         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1135         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1136 fi
1137
1138 if test "x$mono_feature_disable_remoting" = "xyes"; then
1139         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1140         AC_MSG_NOTICE([Disabled remoting])
1141 fi
1142
1143 if test "x$mono_feature_disable_security" = "xyes"; then
1144         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1145         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1146 fi
1147
1148 if test "x$mono_feature_disable_lldb" = "xyes"; then
1149         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1150         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1151 fi
1152
1153 if test "x$mono_feature_disable_mdb" = "xyes"; then
1154         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1155         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1156 fi
1157
1158 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1159         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1160         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1161 fi
1162
1163 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1164         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1165         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1166 fi
1167
1168 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1169         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1170         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1171 fi
1172
1173 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1174         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1175         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1176 fi
1177
1178 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1179         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1180         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1181 fi
1182
1183 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1184 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1185
1186 has_extension_module=no
1187 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1188 [
1189         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1190                 if test x$extension = xdefault ; then
1191                         has_extension_module=yes;
1192                 fi
1193         done
1194         if test x$enable_extension_module = xyes; then
1195                 has_extension_module=yes;
1196         fi
1197 ], [])
1198
1199 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1200
1201 if test x$has_extension_module != xno ; then
1202         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1203         AC_MSG_NOTICE([Enabling mono extension module.])
1204 fi
1205
1206 # Deprecated
1207 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1208
1209 AC_MSG_CHECKING(for visibility __attribute__)
1210 AC_COMPILE_IFELSE([
1211         AC_LANG_SOURCE([[
1212                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1213                 int main () { doit (); return 0; }
1214         ]])
1215 ], [
1216    have_visibility_hidden=yes
1217    AC_MSG_RESULT(yes)
1218 ], [
1219    have_visibility_hidden=no
1220    AC_MSG_RESULT(no)
1221 ])
1222
1223 dnl
1224 dnl Boehm GC configuration
1225 dnl
1226
1227 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1228
1229 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1230 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1231
1232 if test "x$support_boehm" = "xyes"; then
1233
1234         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1235         if test x$enable_parallel_mark = xyes; then
1236                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1237         fi
1238
1239         gc_msg=""
1240         LIBGC_CPPFLAGS=
1241         LIBGC_LIBS=
1242         LIBGC_STATIC_LIBS=
1243         libgc_dir=
1244         case "x$libgc" in
1245                 xincluded)
1246                         if test "x$support_boehm" = "xyes"; then
1247                                 libgc_dir=libgc
1248                         fi
1249
1250                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1251                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1252                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1253
1254                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1255
1256                         if test x$target_win32 = xyes; then
1257                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1258                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1259                         fi
1260
1261                         gc_msg="Included Boehm GC with typed GC"
1262                         if test x$enable_parallel_mark = xyes; then
1263                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1264                                 gc_msg="$gc_msg and parallel mark"
1265                         else
1266                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1267                         fi
1268                         ;;
1269
1270                 xboehm|xbohem|xyes)
1271                         AC_MSG_WARN("External Boehm is no longer supported")
1272                         ;;
1273
1274                 xsgen)
1275                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1276                         ;;
1277
1278                 xnone)
1279                         AC_MSG_WARN("Compiling mono without GC.")
1280                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1281                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1282                         gc_msg="none"
1283                         ;;
1284                 *)
1285                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1286                         ;;
1287         esac
1288
1289         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1290         if test "x$large_heap" = "xyes"; then
1291            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1292         fi
1293
1294         AC_SUBST(LIBGC_CPPFLAGS)
1295         AC_SUBST(LIBGC_LIBS)
1296         AC_SUBST(LIBGC_STATIC_LIBS)
1297         AC_SUBST(libgc_dir)
1298         AC_SUBST(BOEHM_DEFINES)
1299
1300 fi
1301
1302 dnl
1303 dnl End of Boehm GC Configuration
1304 dnl
1305
1306 dnl *************************************
1307 dnl *** Checks for zero length arrays ***
1308 dnl *************************************
1309 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1310 AC_TRY_COMPILE([
1311         struct s {
1312                 int  length;
1313                 char data [0];
1314         };
1315 ], [], [
1316         AC_MSG_RESULT(yes)
1317         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1318 ], [
1319         AC_MSG_RESULT(no)
1320         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1321 ])
1322
1323 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1324
1325 dnl ***********************************
1326 dnl *** Checks for signals
1327 dnl ***********************************
1328 AC_CHECK_HEADERS(signal.h)
1329 AC_CHECK_FUNCS(sigaction)
1330 AC_CHECK_FUNCS(kill)
1331 AC_CHECK_FUNCS(signal)
1332
1333 # signal() is declared inline in Android headers
1334 # so we need to workaround it by overriding the check.
1335 if test x$platform_android = xyes; then
1336         AC_DEFINE(HAVE_SIGNAL,1)
1337 fi
1338
1339 if test x$host_win32 = xno; then
1340
1341         dnl hires monotonic clock support
1342         AC_SEARCH_LIBS(clock_gettime, rt)
1343         AC_CHECK_FUNCS(clock_nanosleep)
1344
1345         dnl dynamic loader support
1346         AC_CHECK_FUNC(dlopen, DL_LIB="",
1347                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1348         )
1349         if test x$dl_support = xno; then
1350                 AC_MSG_WARN([No dynamic loading support available])
1351         else
1352                 LIBS="$LIBS $DL_LIB"
1353                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1354                 dnl from glib's configure.ac
1355                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1356                         mono_cv_uscore,[
1357                         AC_TRY_RUN([#include <dlfcn.h>
1358                         int mono_underscore_test (void) { return 42; }
1359                         int main() {
1360                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1361                           handle = dlopen ((void*)0, 0);
1362                           if (handle) {
1363                             f1 = dlsym (handle, "mono_underscore_test");
1364                             f2 = dlsym (handle, "_mono_underscore_test");
1365                           } return (!f2 || f1);
1366                         }],
1367                                 [mono_cv_uscore=yes],
1368                                 [mono_cv_uscore=no],
1369                         [])
1370                 ])
1371                 if test "x$mono_cv_uscore" = "xyes"; then
1372                         MONO_DL_NEED_USCORE=1
1373                 else
1374                         MONO_DL_NEED_USCORE=0
1375                 fi
1376                 AC_SUBST(MONO_DL_NEED_USCORE)
1377                 AC_CHECK_FUNC(dlerror)
1378         fi
1379
1380         dnl ******************************************************************
1381         dnl *** Checks for the IKVM JNI interface library                  ***
1382         dnl ******************************************************************
1383         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])
1384
1385         ikvm_native_dir=
1386         if test x$with_ikvm_native = xyes; then
1387                 ikvm_native_dir=ikvm-native
1388                 jdk_headers_found="IKVM Native"
1389         fi
1390
1391         AC_SUBST(ikvm_native_dir)
1392
1393         AC_CHECK_HEADERS(execinfo.h)
1394
1395         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1396
1397         AC_CHECK_FUNCS(getgrgid_r)
1398         AC_CHECK_FUNCS(getgrnam_r)
1399         AC_CHECK_FUNCS(getpwnam_r)
1400         AC_CHECK_FUNCS(getpwuid_r)
1401         AC_CHECK_FUNCS(getresuid)
1402         AC_CHECK_FUNCS(setresuid)
1403         AC_CHECK_FUNCS(kqueue)
1404         AC_CHECK_FUNCS(backtrace_symbols)
1405         AC_CHECK_FUNCS(mkstemp)
1406         AC_CHECK_FUNCS(mmap)
1407         AC_CHECK_FUNCS(madvise)
1408         AC_CHECK_FUNCS(getrusage)
1409         AC_CHECK_FUNCS(getpriority)
1410         AC_CHECK_FUNCS(setpriority)
1411         AC_CHECK_FUNCS(dl_iterate_phdr)
1412         AC_CHECK_FUNCS(dladdr)
1413         AC_CHECK_FUNCS(sysconf)
1414         AC_CHECK_FUNCS(getrlimit)
1415         AC_CHECK_FUNCS(prctl)
1416
1417         AC_CHECK_FUNCS(sched_getaffinity)
1418         AC_CHECK_FUNCS(sched_setaffinity)
1419         AC_CHECK_FUNCS(sched_getcpu)
1420
1421         dnl ****************************************************************
1422         dnl *** Check for sched_setaffinity from glibc versions before   ***
1423         dnl *** 2.3.4. The older versions of the function only take 2    ***
1424         dnl *** parameters, not 3.                                       ***
1425         dnl ***                                                          ***
1426         dnl *** Because the interface change was not made in a minor     ***
1427         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1428         dnl *** won't always indicate the interface sched_affinity has.  ***
1429         dnl ****************************************************************
1430         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1431         AC_TRY_COMPILE([#include <sched.h>], [
1432             int mask = 1;
1433             sched_setaffinity(0, &mask);
1434                         return 0;
1435         ], [
1436                 # Yes, we have it...
1437                 AC_MSG_RESULT(yes)
1438                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1439         ], [
1440                 # We have the new, three-parameter version
1441                 AC_MSG_RESULT(no)
1442         ])
1443         AC_TRY_COMPILE([#include <sched.h>], [
1444              CPU_COUNT((void *) 0);
1445         ], [
1446                 AC_MSG_RESULT(yes)
1447                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1448         ], [
1449                 # We have the new, three-parameter version
1450                 AC_MSG_RESULT(no)
1451         ])
1452
1453         dnl ******************************************************************
1454         dnl *** Check for large file support                               ***
1455         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1456         dnl ******************************************************************
1457
1458         # Check that off_t can represent 2**63 - 1 correctly, working around
1459         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1460         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1461         large_offt=no
1462         AC_DEFUN([LARGE_FILES], [
1463                 large_CPPFLAGS=$CPPFLAGS
1464                 CPPFLAGS="$CPPFLAGS $1"
1465                 AC_TRY_COMPILE([
1466                         #include <sys/types.h>
1467                         #include <limits.h>
1468                 ], [
1469                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1470                         #define COMPILE_TIME_ASSERT(pred) \
1471                                 switch(0){case 0:case pred:;}
1472                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1473                 ], [
1474                         AC_MSG_RESULT(ok)
1475                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1476                         large_CPPFLAGS="$large_CPPFLAGS $1"
1477                         large_offt=yes
1478                 ], [
1479                         AC_MSG_RESULT(no)
1480                 ])
1481                 CPPFLAGS=$large_CPPFLAGS
1482         ])
1483
1484         AC_MSG_CHECKING(if off_t is 64 bits wide)
1485         LARGE_FILES("")
1486         if test $large_offt = no; then
1487                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1488                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1489         fi
1490         if test $large_offt = no; then
1491                 AC_MSG_WARN([No 64 bit file size support available])
1492         fi
1493
1494         dnl *****************************
1495         dnl *** Checks for libsocket  ***
1496         dnl *****************************
1497         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1498
1499         case "$host" in
1500                 *-*-*freebsd*)
1501                         dnl *****************************
1502                         dnl *** Checks for libinotify ***
1503                         dnl *****************************
1504                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1505         esac
1506
1507         dnl *******************************
1508         dnl *** Checks for MSG_NOSIGNAL ***
1509         dnl *******************************
1510         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1511         AC_TRY_COMPILE([#include <sys/socket.h>], [
1512                 int f = MSG_NOSIGNAL;
1513         ], [
1514                 # Yes, we have it...
1515                 AC_MSG_RESULT(yes)
1516                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1517         ], [
1518                 # We'll have to use signals
1519                 AC_MSG_RESULT(no)
1520         ])
1521
1522         dnl *****************************
1523         dnl *** Checks for IPPROTO_IP ***
1524         dnl *****************************
1525         AC_MSG_CHECKING(for IPPROTO_IP)
1526         AC_TRY_COMPILE([#include <netinet/in.h>], [
1527                 int level = IPPROTO_IP;
1528         ], [
1529                 # Yes, we have it...
1530                 AC_MSG_RESULT(yes)
1531                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1532         ], [
1533                 # We'll have to use getprotobyname
1534                 AC_MSG_RESULT(no)
1535         ])
1536
1537         dnl *******************************
1538         dnl *** Checks for IPPROTO_IPV6 ***
1539         dnl *******************************
1540         AC_MSG_CHECKING(for IPPROTO_IPV6)
1541         AC_TRY_COMPILE([#include <netinet/in.h>], [
1542                 int level = IPPROTO_IPV6;
1543         ], [
1544                 # Yes, we have it...
1545                 AC_MSG_RESULT(yes)
1546                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1547         ], [
1548                 # We'll have to use getprotobyname
1549                 AC_MSG_RESULT(no)
1550         ])
1551
1552         dnl ******************************
1553         dnl *** Checks for IPPROTO_TCP ***
1554         dnl ******************************
1555         AC_MSG_CHECKING(for IPPROTO_TCP)
1556         AC_TRY_COMPILE([#include <netinet/in.h>], [
1557                 int level = IPPROTO_TCP;
1558         ], [
1559                 # Yes, we have it...
1560                 AC_MSG_RESULT(yes)
1561                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1562         ], [
1563                 # We'll have to use getprotobyname
1564                 AC_MSG_RESULT(no)
1565         ])
1566
1567         dnl *****************************
1568         dnl *** Checks for SOL_IP     ***
1569         dnl *****************************
1570         AC_MSG_CHECKING(for SOL_IP)
1571         AC_TRY_COMPILE([#include <netdb.h>], [
1572                 int level = SOL_IP;
1573         ], [
1574                 # Yes, we have it...
1575                 AC_MSG_RESULT(yes)
1576                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1577         ], [
1578                 # We'll have to use getprotobyname
1579                 AC_MSG_RESULT(no)
1580         ])
1581
1582         dnl *****************************
1583         dnl *** Checks for SOL_IPV6     ***
1584         dnl *****************************
1585         AC_MSG_CHECKING(for SOL_IPV6)
1586         AC_TRY_COMPILE([#include <netdb.h>], [
1587                 int level = SOL_IPV6;
1588         ], [
1589                 # Yes, we have it...
1590                 AC_MSG_RESULT(yes)
1591                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1592         ], [
1593                 # We'll have to use getprotobyname
1594                 AC_MSG_RESULT(no)
1595         ])
1596
1597         dnl *****************************
1598         dnl *** Checks for SOL_TCP    ***
1599         dnl *****************************
1600         AC_MSG_CHECKING(for SOL_TCP)
1601         AC_TRY_COMPILE([#include <netdb.h>], [
1602                 int level = SOL_TCP;
1603         ], [
1604                 # Yes, we have it...
1605                 AC_MSG_RESULT(yes)
1606                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1607         ], [
1608                 # We'll have to use getprotobyname
1609                 AC_MSG_RESULT(no)
1610         ])
1611
1612         dnl *****************************
1613         dnl *** Checks for IP_PKTINFO ***
1614         dnl *****************************
1615         AC_MSG_CHECKING(for IP_PKTINFO)
1616         AC_TRY_COMPILE([#include <linux/in.h>], [
1617                 int level = IP_PKTINFO;
1618         ], [
1619                 # Yes, we have it...
1620                 AC_MSG_RESULT(yes)
1621                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1622         ], [
1623                 AC_MSG_RESULT(no)
1624         ])
1625
1626         dnl *****************************
1627         dnl *** Checks for IPV6_PKTINFO ***
1628         dnl *****************************
1629         AC_MSG_CHECKING(for IPV6_PKTINFO)
1630         AC_TRY_COMPILE([#include <netdb.h>], [
1631                 int level = IPV6_PKTINFO;
1632         ], [
1633                 # Yes, we have it...
1634                 AC_MSG_RESULT(yes)
1635                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1636         ], [
1637                 AC_MSG_RESULT(no)
1638         ])
1639
1640         dnl **********************************
1641         dnl *** Checks for IP_DONTFRAG     ***
1642         dnl **********************************
1643         AC_MSG_CHECKING(for IP_DONTFRAG)
1644         AC_TRY_COMPILE([#include <netinet/in.h>], [
1645                 int level = IP_DONTFRAG;
1646         ], [
1647                 # Yes, we have it...
1648                 AC_MSG_RESULT(yes)
1649                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1650         ], [
1651                 AC_MSG_RESULT(no)
1652         ])
1653
1654         dnl **********************************
1655         dnl *** Checks for IP_DONTFRAGMENT ***
1656         dnl **********************************
1657         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1658         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1659                 int level = IP_DONTFRAGMENT;
1660         ], [
1661                 # Yes, we have it...
1662                 AC_MSG_RESULT(yes)
1663                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1664         ], [
1665                 AC_MSG_RESULT(no)
1666         ])
1667
1668         dnl **********************************
1669         dnl *** Checks for IP_MTU_DISCOVER ***
1670         dnl **********************************
1671         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1672         AC_TRY_COMPILE([#include <linux/in.h>], [
1673                 int level = IP_MTU_DISCOVER;
1674         ], [
1675                 # Yes, we have it...
1676                 AC_MSG_RESULT(yes)
1677                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1678         ], [
1679                 AC_MSG_RESULT(no)
1680         ])
1681
1682         dnl **********************************
1683         dnl *** Checks for  IP_PMTUDISC_DO ***
1684         dnl **********************************
1685         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1686         AC_TRY_COMPILE([#include <linux/in.h>], [
1687                 int level = IP_PMTUDISC_DO;
1688         ], [
1689                 # Yes, we have it...
1690                 AC_MSG_RESULT(yes)
1691                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1692         ], [
1693                 AC_MSG_RESULT(no)
1694         ])
1695
1696         dnl *********************************
1697         dnl *** Check for struct ip_mreqn ***
1698         dnl *********************************
1699         AC_MSG_CHECKING(for struct ip_mreqn)
1700         AC_TRY_COMPILE([#include <netinet/in.h>], [
1701                 struct ip_mreqn mreq;
1702                 mreq.imr_address.s_addr = 0;
1703         ], [
1704                 # Yes, we have it...
1705                 AC_MSG_RESULT(yes)
1706                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1707         ], [
1708                 # We'll just have to try and use struct ip_mreq
1709                 AC_MSG_RESULT(no)
1710                 AC_MSG_CHECKING(for struct ip_mreq)
1711                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1712                         struct ip_mreq mreq;
1713                         mreq.imr_interface.s_addr = 0;
1714                 ], [
1715                         # Yes, we have it...
1716                         AC_MSG_RESULT(yes)
1717                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1718                 ], [
1719                         # No multicast support
1720                         AC_MSG_RESULT(no)
1721                 ])
1722         ])
1723
1724         dnl **********************************
1725         dnl *** Check for getaddrinfo ***
1726         dnl **********************************
1727         AC_MSG_CHECKING(for getaddrinfo)
1728                 AC_TRY_LINK([
1729                 #include <stdio.h>
1730                 #include <netdb.h>
1731         ], [
1732                 getaddrinfo(NULL,NULL,NULL,NULL);
1733         ], [
1734                 # Yes, we have it...
1735                 AC_MSG_RESULT(yes)
1736                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1737         ], [
1738                 AC_MSG_RESULT(no)
1739         ])
1740
1741         dnl **********************************
1742         dnl *** Check for gethostbyname2_r ***
1743         dnl **********************************
1744         AC_MSG_CHECKING(for gethostbyname2_r)
1745                 AC_TRY_LINK([
1746                 #include <stdio.h>
1747                 #include <netdb.h>
1748         ], [
1749
1750                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1751         ], [
1752                 # Yes, we have it...
1753                 AC_MSG_RESULT(yes)
1754                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1755         ], [
1756                 AC_MSG_RESULT(no)
1757         ])
1758
1759         dnl **********************************
1760         dnl *** Check for gethostbyname2 ***
1761         dnl **********************************
1762         AC_MSG_CHECKING(for gethostbyname2)
1763                 AC_TRY_LINK([
1764                 #include <stdio.h>
1765                 #include <netdb.h>
1766         ], [
1767                 gethostbyname2(NULL,0);
1768         ], [
1769                 # Yes, we have it...
1770                 AC_MSG_RESULT(yes)
1771                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1772         ], [
1773                 AC_MSG_RESULT(no)
1774         ])
1775
1776         dnl **********************************
1777         dnl *** Check for gethostbyname ***
1778         dnl **********************************
1779         AC_MSG_CHECKING(for gethostbyname)
1780                 AC_TRY_LINK([
1781                 #include <stdio.h>
1782                 #include <netdb.h>
1783         ], [
1784                 gethostbyname(NULL);
1785         ], [
1786                 # Yes, we have it...
1787                 AC_MSG_RESULT(yes)
1788                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1789         ], [
1790                 AC_MSG_RESULT(no)
1791         ])
1792
1793         dnl **********************************
1794         dnl *** Check for getprotobyname ***
1795         dnl **********************************
1796         AC_MSG_CHECKING(for getprotobyname)
1797                 AC_TRY_LINK([
1798                 #include <stdio.h>
1799                 #include <netdb.h>
1800         ], [
1801                 getprotobyname(NULL);
1802         ], [
1803                 # Yes, we have it...
1804                 AC_MSG_RESULT(yes)
1805                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1806         ], [
1807                 AC_MSG_RESULT(no)
1808         ])
1809
1810         dnl **********************************
1811         dnl *** Check for getnameinfo ***
1812         dnl **********************************
1813         AC_MSG_CHECKING(for getnameinfo)
1814                 AC_TRY_LINK([
1815                 #include <stdio.h>
1816                 #include <netdb.h>
1817         ], [
1818                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1819         ], [
1820                 # Yes, we have it...
1821                 AC_MSG_RESULT(yes)
1822                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1823         ], [
1824                 AC_MSG_RESULT(no)
1825         ])
1826
1827
1828         dnl **********************************
1829         dnl *** Check for inet_ntop ***
1830         dnl **********************************
1831         AC_MSG_CHECKING(for inet_ntop)
1832                 AC_TRY_LINK([
1833                 #include <stdio.h>
1834                 #include <arpa/inet.h>
1835         ], [
1836                 inet_ntop (0, NULL, NULL, 0);
1837         ], [
1838                 # Yes, we have it...
1839                 AC_MSG_RESULT(yes)
1840                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1841         ], [
1842                 AC_MSG_RESULT(no)
1843         ])
1844
1845         dnl *****************************
1846         dnl *** Checks for libnsl     ***
1847         dnl *****************************
1848         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1849
1850         AC_CHECK_FUNCS(inet_pton inet_aton)
1851
1852         dnl *****************************
1853         dnl *** Checks for libxnet    ***
1854         dnl *****************************
1855         case "${host}" in
1856                 *solaris* )
1857                         AC_MSG_CHECKING(for Solaris XPG4 support)
1858                         if test -f /usr/lib/libxnet.so; then
1859                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1860                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1861                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1862                                 LIBS="$LIBS -lxnet"
1863                                 AC_MSG_RESULT(yes)
1864                         else
1865                                 AC_MSG_RESULT(no)
1866                         fi
1867
1868                         if test "$GCC" = "yes"; then
1869                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1870                         fi
1871                 ;;
1872         esac
1873
1874         dnl *****************************
1875         dnl *** Checks for libpthread ***
1876         dnl *****************************
1877 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1878 # and libpthread does not exist
1879 #
1880         case "${host}" in
1881                 *-*-*freebsd*)
1882                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1883                 ;;
1884                 *-*-*openbsd*)
1885                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1886                 ;;
1887                 *)
1888                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1889                 ;;
1890         esac
1891         AC_CHECK_HEADERS(pthread.h)
1892         AC_CHECK_HEADERS(pthread_np.h)
1893         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1894         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1895         AC_CHECK_FUNCS(pthread_kill)
1896         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1897         AC_TRY_COMPILE([ #include <pthread.h>], [
1898                 pthread_mutexattr_t attr;
1899                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1900         ], [
1901                 AC_MSG_RESULT(ok)
1902         ], [
1903                 AC_MSG_RESULT(no)
1904                 AC_ERROR(Posix system lacks support for recursive mutexes)
1905         ])
1906         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1907         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1908         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1909
1910         dnl **********************************
1911         dnl *** Check for mincore ***
1912         dnl **********************************
1913         AC_MSG_CHECKING(for mincore)
1914                 AC_TRY_LINK([
1915                 #include <stdio.h>
1916                 #include <sys/types.h>
1917                 #include <sys/mman.h>
1918         ], [
1919                 mincore(NULL, 0, NULL);
1920         ], [
1921                 # Yes, we have it...
1922                 AC_MSG_RESULT(yes)
1923                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1924         ], [
1925                 AC_MSG_RESULT(no)
1926         ])
1927
1928         dnl ***********************************
1929         dnl *** Checks for working __thread ***
1930         dnl ***********************************
1931         AC_MSG_CHECKING(for working __thread)
1932         if test "x$with_tls" != "x__thread"; then
1933                 AC_MSG_RESULT(disabled)
1934         elif test "x$cross_compiling" = "xyes"; then
1935                 AC_MSG_RESULT(cross compiling, assuming yes)
1936         else
1937                 AC_TRY_RUN([
1938                         #if defined(__APPLE__) && defined(__clang__)
1939                         #error "__thread does not currently work with clang on Mac OS X"
1940                         #endif
1941
1942                         #include <pthread.h>
1943                         __thread int i;
1944                         static int res1, res2;
1945
1946                         void thread_main (void *arg)
1947                         {
1948                                 i = arg;
1949                                 sleep (1);
1950                                 if (arg == 1)
1951                                         res1 = (i == arg);
1952                                 else
1953                                         res2 = (i == arg);
1954                         }
1955
1956                         int main () {
1957                                 pthread_t t1, t2;
1958
1959                                 i = 5;
1960
1961                                 pthread_create (&t1, NULL, thread_main, 1);
1962                                 pthread_create (&t2, NULL, thread_main, 2);
1963
1964                                 pthread_join (t1, NULL);
1965                                 pthread_join (t2, NULL);
1966
1967                                 return !(res1 + res2 == 2);
1968                         }
1969                 ], [
1970                                 AC_MSG_RESULT(yes)
1971                 ], [
1972                                 AC_MSG_RESULT(no)
1973                                 with_tls=pthread
1974                 ])
1975         fi
1976
1977         dnl **************************************
1978         dnl *** Checks for working sigaltstack ***
1979         dnl **************************************
1980         AC_MSG_CHECKING(for working sigaltstack)
1981         if test "x$with_sigaltstack" != "xyes"; then
1982                 AC_MSG_RESULT(disabled)
1983         elif test "x$cross_compiling" = "xyes"; then
1984                 AC_MSG_RESULT(cross compiling, assuming yes)
1985         else
1986                 AC_TRY_RUN([
1987                         #include <stdio.h>
1988                         #include <stdlib.h>
1989                         #include <unistd.h>
1990                         #include <signal.h>
1991                         #include <pthread.h>
1992                         #include <sys/wait.h>
1993                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1994                         #define SA_STACK SA_ONSTACK
1995                         #endif
1996                         static void
1997                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1998                         {
1999                                 exit (0);
2000                         }
2001
2002                         volatile char*__ptr = NULL;
2003                         static void *
2004                         loop (void *ignored)
2005                         {
2006                                 *__ptr = 0;
2007                                 return NULL;
2008                         }
2009
2010                         static void
2011                         child ()
2012                         {
2013                                 struct sigaction sa;
2014                         #ifdef __APPLE__
2015                                 stack_t sas;
2016                         #else
2017                                 struct sigaltstack sas;
2018                         #endif
2019                                 pthread_t id;
2020                                 pthread_attr_t attr;
2021
2022                                 sa.sa_sigaction = sigsegv_signal_handler;
2023                                 sigemptyset (&sa.sa_mask);
2024                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2025                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2026                                         perror ("sigaction");
2027                                         return;
2028                                 }
2029
2030                                 /* x86 darwin deliver segfaults using SIGBUS */
2031                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2032                                         perror ("sigaction");
2033                                         return;
2034                                 }
2035                                 sas.ss_sp = malloc (SIGSTKSZ);
2036                                 sas.ss_size = SIGSTKSZ;
2037                                 sas.ss_flags = 0;
2038                                 if (sigaltstack (&sas, NULL) == -1) {
2039                                         perror ("sigaltstack");
2040                                         return;
2041                                 }
2042
2043                                 pthread_attr_init (&attr);
2044                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2045                                         printf ("pthread_create\n");
2046                                         return;
2047                                 }
2048
2049                                 sleep (100);
2050                         }
2051
2052                         int
2053                         main ()
2054                         {
2055                                 pid_t son;
2056                                 int status;
2057                                 int i;
2058
2059                                 son = fork ();
2060                                 if (son == -1) {
2061                                         return 1;
2062                                 }
2063
2064                                 if (son == 0) {
2065                                         child ();
2066                                         return 0;
2067                                 }
2068
2069                                 for (i = 0; i < 300; ++i) {
2070                                         waitpid (son, &status, WNOHANG);
2071                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2072                                                 return 0;
2073                                         usleep (10000);
2074                                 }
2075
2076                                 kill (son, SIGKILL);
2077                                 return 1;
2078                         }
2079
2080                 ], [
2081                                 AC_MSG_RESULT(yes)
2082                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2083                 ], [
2084                                 with_sigaltstack=no
2085                                 AC_MSG_RESULT(no)
2086                 ])
2087         fi
2088
2089         dnl ********************************
2090         dnl *** Checks for semaphore lib ***
2091         dnl ********************************
2092         # 'Real Time' functions on Solaris
2093         # posix4 on Solaris 2.6
2094         # pthread (first!) on Linux
2095         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2096
2097         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2098         AC_CHECK_FUNCS(shm_open)
2099
2100         dnl ********************************
2101         dnl *** Checks for timezone stuff **
2102         dnl ********************************
2103         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2104                 AC_TRY_COMPILE([
2105                         #include <time.h>
2106                         ], [
2107                         struct tm tm;
2108                         tm.tm_gmtoff = 1;
2109                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2110         if test $ac_cv_struct_tm_gmtoff = yes; then
2111                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2112         else
2113                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2114                         AC_TRY_COMPILE([
2115                                 #include <time.h>
2116                         ], [
2117                                 timezone = 1;
2118                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2119                 if test $ac_cv_var_timezone = yes; then
2120                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2121                 else
2122                         AC_ERROR(unable to find a way to determine timezone)
2123                 fi
2124         fi
2125
2126         dnl *********************************
2127         dnl *** Checks for math functions ***
2128         dnl *********************************
2129         AC_SEARCH_LIBS(sqrtf, m)
2130         if test "x$has_broken_apple_cpp" != "xyes"; then
2131                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2132                         AC_TRY_LINK([#include <math.h>],
2133                         [ finite(0.0); ],
2134                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2135                         AC_MSG_RESULT(no)))
2136         fi
2137         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2138                 AC_TRY_LINK([#include <math.h>],
2139                 [ isfinite(0.0); ],
2140                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2141                 AC_MSG_RESULT(no)))
2142
2143         dnl ****************************************************************
2144         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2145         dnl *** have it in the library (duh))                            ***
2146         dnl ****************************************************************
2147         AC_CHECK_FUNCS(poll)
2148
2149         dnl *************************
2150         dnl *** Check for signbit ***
2151         dnl *************************
2152         AC_MSG_CHECKING(for signbit)
2153         AC_TRY_LINK([#include <math.h>], [
2154                 int s = signbit(1.0);
2155         ], [
2156                 AC_MSG_RESULT(yes)
2157                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2158         ], [
2159                 AC_MSG_RESULT(no)
2160         ])
2161
2162         dnl **********************************
2163         dnl *** epoll                      ***
2164         dnl **********************************
2165         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2166                 AC_CHECK_HEADERS(sys/epoll.h)
2167                 haveepoll=no
2168                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2169                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2170                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2171                 fi
2172         fi
2173
2174         havekqueue=no
2175
2176         AC_CHECK_HEADERS(sys/event.h)
2177         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2178
2179         dnl **************************************
2180         dnl * Darwin has a race that prevents us from using reliably:
2181         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2182         dnl * Since kqueue is mostly used for scaling large web servers,
2183         dnl * and very few folks run Mono on large web servers on OSX, falling
2184         dnl * back
2185         dnl **************************************
2186         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2187                 if test "x$host_darwin" = "xno"; then
2188                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2189                 fi
2190         fi
2191
2192         dnl ******************************
2193         dnl *** Checks for SIOCGIFCONF ***
2194         dnl ******************************
2195         AC_CHECK_HEADERS(sys/ioctl.h)
2196         AC_CHECK_HEADERS(net/if.h, [], [],
2197            [
2198            #ifdef HAVE_SYS_TYPES_H
2199            # include <sys/types.h>
2200            #endif
2201            #ifdef HAVE_SYS_SOCKET_H
2202            # include <sys/socket.h>
2203            #endif
2204            ])
2205         AC_MSG_CHECKING(for ifreq)
2206         AC_TRY_COMPILE([
2207                 #include <stdio.h>
2208                 #include <sys/ioctl.h>
2209                 #include <net/if.h>
2210                 ], [
2211                 struct ifconf ifc;
2212                 struct ifreq *ifr;
2213                 void *x;
2214                 ifc.ifc_len = 0;
2215                 ifc.ifc_buf = NULL;
2216                 x = (void *) &ifr->ifr_addr;
2217                 ],[
2218                         AC_MSG_RESULT(yes)
2219                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2220                 ], [
2221                         AC_MSG_RESULT(no)
2222                 ])
2223         dnl **********************************
2224         dnl ***     Checks for sin_len     ***
2225         dnl **********************************
2226         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2227         AC_TRY_COMPILE([
2228                 #include <netinet/in.h>
2229                 ], [
2230                 struct sockaddr_in saddr;
2231                 saddr.sin_len = sizeof (saddr);
2232                 ],[
2233                         AC_MSG_RESULT(yes)
2234                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2235                 ], [
2236                         AC_MSG_RESULT(no)
2237                 ])
2238         dnl **********************************
2239         dnl ***    Checks for sin6_len     ***
2240         dnl **********************************
2241         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2242         AC_TRY_COMPILE([
2243                 #include <netinet/in.h>
2244                 ], [
2245                 struct sockaddr_in6 saddr6;
2246                 saddr6.sin6_len = sizeof (saddr6);
2247                 ],[
2248                         AC_MSG_RESULT(yes)
2249                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2250                 ], [
2251                         AC_MSG_RESULT(no)
2252                 ])
2253         dnl **********************************
2254         dnl *** Check for getifaddrs       ***
2255         dnl **********************************
2256         AC_MSG_CHECKING(for getifaddrs)
2257                 AC_TRY_LINK([
2258                 #include <stdio.h>
2259                 #include <sys/types.h>
2260                 #include <sys/socket.h>
2261                 #include <ifaddrs.h>
2262         ], [
2263                 getifaddrs(NULL);
2264         ], [
2265                 # Yes, we have it...
2266                 AC_MSG_RESULT(yes)
2267                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2268         ], [
2269                 AC_MSG_RESULT(no)
2270         ])
2271         dnl **********************************
2272         dnl *** Check for if_nametoindex   ***
2273         dnl **********************************
2274         AC_MSG_CHECKING(for if_nametoindex)
2275                 AC_TRY_LINK([
2276                 #include <stdio.h>
2277                 #include <sys/types.h>
2278                 #include <sys/socket.h>
2279                 #include <net/if.h>
2280         ], [
2281                 if_nametoindex(NULL);
2282         ], [
2283                 # Yes, we have it...
2284                 AC_MSG_RESULT(yes)
2285                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2286         ], [
2287                 AC_MSG_RESULT(no)
2288         ])
2289
2290         dnl **********************************
2291         dnl *** Checks for MonoPosixHelper ***
2292         dnl **********************************
2293         AC_CHECK_HEADERS(checklist.h)
2294         AC_CHECK_HEADERS(pathconf.h)
2295         AC_CHECK_HEADERS(fstab.h)
2296         AC_CHECK_HEADERS(attr/xattr.h)
2297         AC_CHECK_HEADERS(sys/extattr.h)
2298         AC_CHECK_HEADERS(sys/sendfile.h)
2299         AC_CHECK_HEADERS(sys/statvfs.h)
2300         AC_CHECK_HEADERS(sys/statfs.h)
2301         AC_CHECK_HEADERS(sys/vfstab.h)
2302         AC_CHECK_HEADERS(sys/xattr.h)
2303         AC_CHECK_HEADERS(sys/mman.h)
2304         AC_CHECK_HEADERS(sys/param.h)
2305         AC_CHECK_HEADERS(sys/mount.h, [], [],
2306                 [
2307                 #ifdef HAVE_SYS_PARAM_H
2308                 # include <sys/param.h>
2309                 #endif
2310                 ])
2311         AC_CHECK_HEADERS(sys/mount.h)
2312         AC_CHECK_FUNCS(confstr)
2313         AC_CHECK_FUNCS(seekdir telldir)
2314         AC_CHECK_FUNCS(getdomainname)
2315         AC_CHECK_FUNCS(setdomainname)
2316         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2317         AC_CHECK_FUNCS(setgroups)
2318         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2319         AC_CHECK_FUNCS(getfsstat)
2320         AC_CHECK_FUNCS(lutimes futimes)
2321         AC_CHECK_FUNCS(mremap)
2322         AC_CHECK_FUNCS(remap_file_pages)
2323         AC_CHECK_FUNCS(posix_fadvise)
2324         AC_CHECK_FUNCS(posix_fallocate)
2325         AC_CHECK_FUNCS(posix_madvise)
2326         AC_CHECK_FUNCS(vsnprintf)
2327         AC_CHECK_FUNCS(sendfile)
2328         AC_CHECK_FUNCS(gethostid sethostid)
2329         AC_CHECK_FUNCS(sethostname)
2330         AC_CHECK_FUNCS(statfs)
2331         AC_CHECK_FUNCS(fstatfs)
2332         AC_CHECK_FUNCS(statvfs)
2333         AC_CHECK_FUNCS(fstatvfs)
2334         AC_CHECK_FUNCS(stime)
2335         AC_CHECK_FUNCS(strerror_r)
2336         AC_CHECK_FUNCS(ttyname_r)
2337         AC_CHECK_FUNCS(psignal)
2338         AC_CHECK_FUNCS(getlogin_r)
2339         AC_CHECK_FUNCS(lockf)
2340         AC_CHECK_FUNCS(swab)
2341         AC_CHECK_FUNCS(setusershell endusershell)
2342         AC_CHECK_FUNCS(futimens utimensat)
2343         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2344         AC_CHECK_FUNCS(readv writev preadv pwritev)
2345         AC_CHECK_FUNCS(setpgid)
2346         AC_CHECK_FUNCS(system)
2347         AC_CHECK_FUNCS(fork execv execve)
2348         AC_CHECK_FUNCS(accept4)
2349         AC_CHECK_SIZEOF(size_t)
2350         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2351                 [#include <sys/types.h>
2352                  #include <sys/stat.h>
2353                  #include <unistd.h>])
2354         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2355                 [#include <sys/types.h>
2356                  #include <sys/stat.h>
2357                  #include <unistd.h>])
2358         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2359                 [#include <sys/time.h>])
2360         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2361                 [#include <sys/socket.h>])
2362         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2363                 [#include <unistd.h>
2364                  #include <fcntl.h>])
2365         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2366                 [#include <sys/uio.h>])
2367         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2368                 [#include <sys/socket.h>])
2369         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2370                 [#include <sys/poll.h>])
2371         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2372                 [#include <sys/socket.h>])
2373         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2374                 [#include <sys/socket.h>])
2375         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2376                 [#include <netinet/in.h>])
2377         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2378                 [#include <netinet/in.h>])
2379         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2380                 [#include <sys/un.h>])
2381         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2382                 [#include <sys/types.h>
2383                  #include <sys/stat.h>
2384                  #include <unistd.h>])
2385         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2386                 [#include <time.h>])
2387         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2388                 [#include <sys/time.h>
2389                  #include <sys/types.h>
2390                  #include <utime.h>])
2391         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2392                 [#include <sys/time.h>])
2393         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2394                 [#include <sys/types.h>
2395                  #include <utime.h>])
2396         AC_CHECK_MEMBERS(
2397                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2398                 [#include <sys/types.h>
2399                  #include <dirent.h>])
2400         AC_CHECK_MEMBERS(
2401                 [struct passwd.pw_gecos],,,
2402                 [#include <sys/types.h>
2403                  #include <pwd.h>])
2404         AC_CHECK_MEMBERS(
2405                 [struct statfs.f_flags],,,
2406                 [#include <sys/types.h>
2407                  #include <sys/vfs.h>])
2408         AC_CHECK_MEMBERS(
2409                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2410                 [#include <sys/types.h>
2411                  #include <sys/stat.h>
2412                  #include <unistd.h>])
2413
2414         dnl Favour xattr through glibc, but use libattr if we have to
2415         AC_CHECK_FUNC(lsetxattr, ,
2416                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2417         )
2418         AC_SUBST(XATTR_LIB)
2419
2420         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2421         AC_CHECK_MEMBERS(
2422                 [struct kinfo_proc.kp_proc],,,
2423                 [#include <sys/types.h>
2424                  #include <sys/param.h>
2425                  #include <sys/sysctl.h>
2426                  #include <sys/proc.h>
2427                  ])
2428
2429         dnl *********************************
2430         dnl *** Checks for Windows compilation ***
2431         dnl *********************************
2432         AC_CHECK_HEADERS(sys/time.h)
2433         AC_CHECK_HEADERS(sys/param.h)
2434         AC_CHECK_HEADERS(dirent.h)
2435
2436         dnl ******************************************
2437         dnl *** Checks for OSX and iOS compilation ***
2438         dnl ******************************************
2439         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2440
2441         dnl *********************************
2442         dnl *** Check for Console 2.0 I/O ***
2443         dnl *********************************
2444         AC_CHECK_HEADERS([curses.h])
2445         AC_CHECK_HEADERS([term.h], [], [],
2446         [#if HAVE_CURSES_H
2447          #include <curses.h>
2448          #endif
2449         ])
2450         AC_CHECK_HEADERS([termios.h])
2451 else
2452         dnl *********************************
2453         dnl *** Checks for Windows compilation ***
2454         dnl *********************************
2455         AC_CHECK_HEADERS(winternl.h)
2456
2457         jdk_headers_found=no
2458         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2459         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2460         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2461         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2462         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2463         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2464         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2465
2466         dnl *********************************
2467         dnl *** Check for struct ip_mreqn ***
2468         dnl *********************************
2469         AC_MSG_CHECKING(for struct ip_mreqn)
2470         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2471                 struct ip_mreqn mreq;
2472                 mreq.imr_address.s_addr = 0;
2473         ], [
2474                 # Yes, we have it...
2475                 AC_MSG_RESULT(yes)
2476                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2477         ], [
2478                 # We'll just have to try and use struct ip_mreq
2479                 AC_MSG_RESULT(no)
2480                 AC_MSG_CHECKING(for struct ip_mreq)
2481                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2482                         struct ip_mreq mreq;
2483                         mreq.imr_interface.s_addr = 0;
2484                 ], [
2485                         # Yes, we have it...
2486                         AC_MSG_RESULT(yes)
2487                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2488                 ], [
2489                         # No multicast support
2490                         AC_MSG_RESULT(no)
2491                 ])
2492         ])
2493
2494         dnl **********************************
2495         dnl *** Check for getaddrinfo ***
2496         dnl **********************************
2497         AC_MSG_CHECKING(for getaddrinfo)
2498                 AC_TRY_LINK([
2499                 #include <stdio.h>
2500                 #include <winsock2.h>
2501                 #include <ws2tcpip.h>
2502         ], [
2503                 getaddrinfo(NULL,NULL,NULL,NULL);
2504         ], [
2505                 # Yes, we have it...
2506                 AC_MSG_RESULT(yes)
2507                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2508         ], [
2509                 AC_MSG_RESULT(no)
2510         ])
2511
2512         dnl **********************************
2513         dnl *** Check for gethostbyname ***
2514         dnl **********************************
2515         AC_MSG_CHECKING(for gethostbyname)
2516                 AC_TRY_LINK([
2517                 #include <stdio.h>
2518                 #include <winsock2.h>
2519                 #include <ws2tcpip.h>
2520         ], [
2521                 gethostbyname(NULL);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for getprotobyname ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for getprotobyname)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 getprotobyname(NULL);
2540         ], [
2541                 # Yes, we have it...
2542                 AC_MSG_RESULT(yes)
2543                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2544         ], [
2545                 AC_MSG_RESULT(no)
2546         ])
2547
2548         dnl **********************************
2549         dnl *** Check for getnameinfo ***
2550         dnl **********************************
2551         AC_MSG_CHECKING(for getnameinfo)
2552                 AC_TRY_LINK([
2553                 #include <stdio.h>
2554                 #include <winsock2.h>
2555                 #include <ws2tcpip.h>
2556         ], [
2557                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2558         ], [
2559                 # Yes, we have it...
2560                 AC_MSG_RESULT(yes)
2561                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2562         ], [
2563                 AC_MSG_RESULT(no)
2564         ])
2565
2566         dnl **********************************
2567         dnl *** Check for inet_ntop ***
2568         dnl **********************************
2569         AC_MSG_CHECKING(for inet_ntop)
2570                 AC_TRY_LINK([
2571                 #include <stdio.h>
2572                 #include <winsock2.h>
2573                 #include <ws2tcpip.h>
2574         ], [
2575                 inet_ntop (0, NULL, NULL, 0);
2576         ], [
2577                 # Yes, we have it...
2578                 AC_MSG_RESULT(yes)
2579                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2580         ], [
2581                 AC_MSG_RESULT(no)
2582         ])
2583
2584         dnl **********************************
2585         dnl *** Check for inet_pton ***
2586         dnl **********************************
2587         AC_MSG_CHECKING(for inet_pton)
2588                 AC_TRY_LINK([
2589                 #include <stdio.h>
2590                 #include <winsock2.h>
2591                 #include <ws2tcpip.h>
2592         ], [
2593                 #ifndef inet_pton
2594                 (void) inet_pton;
2595                 #endif
2596                 inet_pton (0, NULL, NULL);
2597         ], [
2598                 # Yes, we have it...
2599                 AC_MSG_RESULT(yes)
2600                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2601         ], [
2602                 AC_MSG_RESULT(no)
2603         ])
2604
2605         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2606         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2607         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2608         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2609         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2610         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2611         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2612 fi
2613
2614 dnl socklen_t check
2615 AC_MSG_CHECKING(for socklen_t)
2616 AC_TRY_COMPILE([
2617 #include <sys/types.h>
2618 #include <sys/socket.h>
2619 ],[
2620   socklen_t foo;
2621 ],[
2622 ac_cv_c_socklen_t=yes
2623         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2624         AC_MSG_RESULT(yes)
2625 ],[
2626         AC_MSG_RESULT(no)
2627 ])
2628
2629 AC_MSG_CHECKING(for array element initializer support)
2630 AC_TRY_COMPILE([#include <sys/socket.h>], [
2631         const int array[] = {[1] = 2,};
2632 ], [
2633         # Yes, we have it...
2634         AC_MSG_RESULT(yes)
2635         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2636 ], [
2637         # We'll have to use signals
2638         AC_MSG_RESULT(no)
2639 ])
2640
2641 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2642         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2643         AC_TRY_LINK([#include <math.h>],
2644         [ static void *p = &trunc; ],
2645         [
2646                 AC_DEFINE(HAVE_TRUNC)
2647                 AC_MSG_RESULT(yes)
2648                 ac_cv_trunc=yes
2649         ],
2650         AC_MSG_RESULT(no)))
2651
2652 if test "x$ac_cv_truncl" != "xyes"; then
2653    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2654 fi
2655
2656 AC_CHECK_FUNCS(execvp)
2657
2658 dnl ****************************
2659 dnl *** Look for /dev/random ***
2660 dnl ****************************
2661
2662 AC_MSG_CHECKING([if usage of random device is requested])
2663 AC_ARG_ENABLE(dev-random,
2664 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2665 try_dev_random=$enableval, try_dev_random=yes)
2666
2667 AC_MSG_RESULT($try_dev_random)
2668
2669 case "{$build}" in
2670     *-openbsd*)
2671     NAME_DEV_RANDOM="/dev/srandom"
2672     ;;
2673
2674 dnl Win32 does not have /dev/random, they have their own method...
2675
2676     *-mingw*|*-*-cygwin*)
2677     ac_cv_have_dev_random=no
2678     ;;
2679
2680 dnl Everywhere else, it's /dev/random
2681
2682     *)
2683     NAME_DEV_RANDOM="/dev/random"
2684     ;;
2685 esac
2686
2687 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2688
2689 dnl Now check if the device actually exists
2690
2691 if test "x$try_dev_random" = "xyes"; then
2692     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2693     [if test -r "$NAME_DEV_RANDOM" ; then
2694         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2695     if test "x$ac_cv_have_dev_random" = "xyes"; then
2696         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2697     fi
2698 else
2699     AC_MSG_CHECKING(for random device)
2700     ac_cv_have_dev_random=no
2701     AC_MSG_RESULT(has been disabled)
2702 fi
2703
2704 if test "x$host_win32" = "xyes"; then
2705     AC_DEFINE(HAVE_CRYPT_RNG)
2706 fi
2707
2708 if test "x$ac_cv_have_dev_random" = "xno" \
2709     && test "x$host_win32" = "xno"; then
2710     AC_MSG_WARN([[
2711 ***
2712 *** A system-provided entropy source was not found on this system.
2713 *** Because of this, the System.Security.Cryptography random number generator
2714 *** will throw a NotImplemented exception.
2715 ***
2716 *** If you are seeing this message, and you know your system DOES have an
2717 *** entropy collection in place, please contact <crichton@gimp.org> and
2718 *** provide information about the system and how to access the random device.
2719 ***
2720 *** Otherwise you can install either egd or prngd and set the environment
2721 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2722 ***]])
2723 fi
2724
2725 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2726
2727 AC_MSG_CHECKING([if big-arrays are to be enabled])
2728 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2729 if test "x$enable_big_arrays" = "xyes" ; then
2730     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2731         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2732     else
2733         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2734     fi
2735 fi
2736 AC_MSG_RESULT($enable_big_arrays)
2737
2738 dnl **************
2739 dnl *** DTRACE ***
2740 dnl **************
2741
2742 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2743
2744 if test "x$enable_dtrace" = "xyes"; then
2745    if test "x$has_dtrace" = "xno"; then
2746           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2747    fi
2748    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2749    if test "x$DTRACE" = "xno"; then
2750           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2751           enable_dtrace=no
2752    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2753           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2754           enable_dtrace=no
2755    fi
2756 fi
2757
2758 dtrace_g=no
2759 if test "x$enable_dtrace" = "xyes"; then
2760         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2761         DTRACEFLAGS=
2762         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2763                 case "$host" in
2764                         powerpc-*-darwin*)
2765                         DTRACEFLAGS="-arch ppc64"
2766                         ;;
2767                         i*86-*-darwin*)
2768                         DTRACEFLAGS="-arch x86_64"
2769                         ;;
2770                         *)
2771                         DTRACEFLAGS=-64
2772                         ;;
2773                 esac
2774         else
2775                 case "$host" in
2776                         powerpc-*-darwin*)
2777                         DTRACEFLAGS="-arch ppc"
2778                         ;;
2779                         i*86-*-darwin*)
2780                         DTRACEFLAGS="-arch i386"
2781                         ;;
2782                         *)
2783                         DTRACEFLAGS=-32
2784                         ;;
2785                 esac
2786         fi
2787         AC_SUBST(DTRACEFLAGS)
2788         case "$host" in
2789                 *-*-solaris*)
2790                 dtrace_g=yes
2791                 ;;
2792         esac
2793         AC_CHECK_HEADERS([sys/sdt.h])
2794 fi
2795 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2796 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2797
2798 dnl **************
2799 dnl ***  NaCl  ***
2800 dnl **************
2801
2802 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2803 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2804
2805 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2806
2807 dnl
2808 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2809 dnl
2810 nacl_self_host=""
2811 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2812    nacl_self_host="nacl_self_host"
2813 fi
2814 AC_SUBST(nacl_self_host)
2815
2816 if test "x$enable_nacl_codegen" = "xyes"; then
2817    MONO_NACL_ALIGN_MASK_OFF=1
2818    AC_DEFINE(TARGET_NACL, 1, [...])
2819    AC_DEFINE(__native_client_codegen__, 1, [...])
2820 fi
2821 if test "x$enable_nacl_gc" = "xyes"; then
2822    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2823       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2824    else
2825       # Not yet implemented
2826       INSTRUMENT_CFLAG=""
2827    fi
2828    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2829 fi
2830 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2831
2832 dnl **************************
2833 dnl *** AOT cross offsets  ***
2834 dnl **************************
2835
2836 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2837     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2838
2839 dnl **************
2840 dnl ***  LLVM  ***
2841 dnl **************
2842
2843 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2844 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2845 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2846 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2847
2848 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2849
2850 if test "x$enable_llvm" = "xdefault"; then
2851    enable_llvm=$enable_llvm_default
2852 fi
2853
2854 if test "x$enable_llvm" = "xyes"; then
2855    if test "x$with_llvm" != "x"; then
2856           LLVM_CONFIG=$with_llvm/bin/llvm-config
2857           if test x$host_win32 = xyes; then
2858                 LLVM_CONFIG=$LLVM_CONFIG.exe
2859           fi
2860           if test ! -x $LLVM_CONFIG; then
2861                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2862       fi
2863    else
2864       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2865       if test "x$LLVM_CONFIG" = "xno"; then
2866              AC_MSG_ERROR([llvm-config not found.])
2867       fi
2868    fi
2869
2870    llvm_codegen="x86codegen"
2871    case "$target" in
2872    arm*)
2873                 llvm_codegen="armcodegen"
2874                 ;;
2875    esac
2876
2877    if test "x$host_win32" = "xno"; then
2878
2879    # Should be something like '2.6' or '2.7svn'
2880    llvm_version=`$LLVM_CONFIG --version`
2881    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2882    AC_MSG_CHECKING(LLVM version)
2883    AC_MSG_RESULT($llvm_version $llvm_api_version)
2884    if echo $llvm_version | grep -q 'mono'; then
2885           if test "x$enable_llvm_version_check" = "xyes"; then
2886                  if test "$llvm_version" != "$expected_llvm_version"; then
2887                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2888                  fi
2889           fi
2890    else
2891           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.])
2892    fi
2893
2894    # The output of --cflags seems to include optimizations flags too
2895    if test $llvm_api_version -gt 100; then
2896           # The --cflags argument includes all kinds of warnings -pendantic etc.
2897           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2898           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2899    else
2900           LLVM_CFLAGS=`$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'`
2901       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2902    fi
2903    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2904    # from LLVM classes.
2905    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2906    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2907    # This might include empty lines
2908    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2909    llvm_jit_supported=yes
2910    llvm_jit_libs="jit mcjit $llvm_codegen"
2911    if test "x$host" != "x$target"; then
2912       # No need for jit libs
2913           llvm_jit_supported=no
2914       llvm_jit_libs=""
2915    elif test $llvm_api_version -gt 100; then
2916       llvm_jit_libs="orcjit $llvm_codegen"
2917    fi
2918    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2919    if test "x$LLVM_LIBS" = "x"; then
2920           echo "$LLVM_CONFIG --libs failed."
2921           exit 1
2922    fi
2923    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2924    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2925    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2926       LLVM_LIBS="$LLVM_LIBS -lc++"
2927    else
2928       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2929    fi
2930
2931    expected_llvm_version="3.4svn-mono-mono/e656cac"
2932
2933    else
2934        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2935        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2936        LLVM_LDFLAGS="-L$with_llvm/lib"
2937        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2938        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2939          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2940          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2941          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2942          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2943          -lLLVMAnalysis -lLLVMTarget \
2944          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2945          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2946          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2947          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2948          -lLLVMSupport -lstdc++"
2949        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2950
2951        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2952        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2953    fi
2954
2955    if test "x$llvm_api_version" = "x"; then
2956           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2957           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2958    else
2959           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2960           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2961    fi
2962
2963    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2964
2965    AC_SUBST(LLVM_CFLAGS)
2966    AC_SUBST(LLVM_CXXFLAGS)
2967    AC_SUBST(LLVM_LIBS)
2968    AC_SUBST(LLVM_LDFLAGS)
2969    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2970 fi
2971
2972 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2973 if test "x$enable_loadedllvm" = "xyes"; then
2974    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2975 fi
2976 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2977
2978 if test "x$enable_llvm" = "xyes"; then
2979    enable_llvm_runtime=yes
2980 fi
2981 if test "x$enable_llvm_runtime" = "xyes"; then
2982    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2983 fi
2984 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2985
2986 TARGET="unknown"
2987 ACCESS_UNALIGNED="yes"
2988
2989 LIBC="libc.so.6"
2990 INTL="libc.so.6"
2991 SQLITE="libsqlite.so.0"
2992 SQLITE3="libsqlite3.so.0"
2993 X11="libX11.so"
2994 GDKX11="libgdk-x11-2.0.so.0"
2995 GTKX11="libgtk-x11-2.0.so.0"
2996 XINERAMA="libXinerama.so.1"
2997
2998 sizeof_register="SIZEOF_VOID_P"
2999
3000 jit_wanted=true
3001 boehm_supported=true
3002 BTLS_SUPPORTED=no
3003 BTLS_PLATFORM=
3004 case "$host" in
3005         mips*)
3006                 TARGET=MIPS;
3007                 arch_target=mips;
3008                 with_tls=pthread;
3009                 ACCESS_UNALIGNED="no"
3010
3011                 AC_MSG_CHECKING(for mips n32)
3012                 AC_TRY_COMPILE([],[
3013                 #if _MIPS_SIM != _ABIN32
3014                 #error Not mips n32
3015                 #endif
3016                 return 0;
3017                 ],[
3018                 AC_MSG_RESULT(yes)
3019                 sizeof_register=8
3020                 ],[
3021                 AC_MSG_RESULT(no)
3022                 ])
3023                 ;;
3024         i*86-*-*)
3025                 TARGET=X86;
3026                 arch_target=x86;
3027                 case $host_os in
3028                   solaris*)
3029                         LIBC="libc.so"
3030                         INTL="libintl.so"
3031                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3032                                 TARGET=AMD64
3033                                 arch_target=amd64
3034                         fi
3035
3036                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3037                         # int astruct __attribute__ ((visibility ("hidden")));
3038                         # void foo ()
3039                         # {
3040                         #       void *p = &astruct;
3041                         # }
3042                         # gcc -fPIC --shared -o libfoo.so foo.c
3043                         # yields:
3044                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3045                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3046                         have_visibility_hidden=no
3047                         ;;
3048                   mingw*|cygwin*)
3049                         have_visibility_hidden=no
3050                         ;;
3051                   haiku*)
3052                         LIBC=libroot.so
3053                         ;;
3054                   linux*)
3055                         AOT_SUPPORTED="yes"
3056                         BTLS_SUPPORTED=yes
3057                         BTLS_PLATFORM=i386
3058                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3059                         ;;
3060                   darwin*)
3061                         AOT_SUPPORTED="yes"
3062                         BTLS_SUPPORTED=yes
3063                         BTLS_PLATFORM=i386
3064                         ;;
3065                   openbsd*|freebsd*|kfreebsd-gnu*)
3066                         ;;
3067                 esac
3068                 ;;
3069         x86_64-*-* | amd64-*-*)
3070                 TARGET=AMD64;
3071                 arch_target=amd64;
3072                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3073                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3074                         sizeof_register=8
3075                 fi
3076                 case $host_os in
3077                   linux*)
3078                         AOT_SUPPORTED="yes"
3079                         BTLS_SUPPORTED=yes
3080                         BTLS_PLATFORM=x86_64
3081                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3082                         ;;
3083                   darwin*)
3084                         AOT_SUPPORTED="yes"
3085                         BTLS_SUPPORTED=yes
3086                         BTLS_PLATFORM=x86_64
3087                         boehm_supported=false
3088                         ;;
3089                   openbsd*|freebsd*|kfreebsd-gnu*)
3090                         ;;
3091                   mingw*)
3092                         ;;
3093                 esac
3094                 case "$host" in
3095                         x86_64-*-nacl*)
3096                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3097                                 sizeof_register=8
3098                                 ;;
3099                 esac
3100                 ;;
3101         ia64-*-*)
3102                 TARGET=IA64
3103                 arch_target=ia64
3104                 ACCESS_UNALIGNED="no"
3105                 LIBC="libc.so.6.1"
3106                 INTL="libc.so.6.1"
3107                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3108                 libmono_ldflags="-lunwind"
3109                 ;;
3110         sparc*-*-*)
3111                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3112                    TARGET=SPARC64
3113                 else
3114                         TARGET=SPARC
3115                 fi
3116                 arch_target=sparc;
3117                 ACCESS_UNALIGNED="no"
3118                 case $host_os in
3119                   linux*) ;;
3120                   *)
3121                         LIBC="libc.so"
3122                         INTL="libintl.so"
3123                 esac
3124                 if test x"$GCC" = xyes; then
3125                         # We don't support v8 cpus
3126                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3127                 fi
3128                 if test x"$AR" = xfalse; then
3129                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3130                 fi
3131                 ;;
3132         *-mingw*|*-*-cygwin*)
3133                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3134                 have_visibility_hidden=no
3135                 INTL="intl"
3136                 ;;
3137         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3138         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3139                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3140                         TARGET=POWERPC64;
3141                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3142                         CFLAGS="$CFLAGS -mminimal-toc"
3143                 else
3144                         TARGET=POWERPC;
3145                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3146                 fi
3147                 arch_target=ppc;
3148                 case $host_os in
3149                   linux*|darwin*)
3150                         ;;
3151                 esac
3152                 ;;
3153         armv7k-*-darwin*)
3154                 TARGET=ARM;
3155                 TARGET_SYS=WATCHOS
3156                 arch_target=arm;
3157                 arm_fpu=VFP_HARD
3158                 ACCESS_UNALIGNED="no"
3159                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3160                 ;;
3161
3162         arm*-darwin*)
3163                 TARGET=ARM;
3164                 arch_target=arm;
3165                 ACCESS_UNALIGNED="no"
3166                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3167                 ;;
3168         arm*-linux*)
3169                 TARGET=ARM;
3170                 arch_target=arm;
3171                 ACCESS_UNALIGNED="no"
3172                 AOT_SUPPORTED="yes"
3173                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3174                 ;;
3175         arm*-netbsd*-eabi*)
3176                 TARGET=ARM;
3177                 arch_target=arm;
3178                 ACCESS_UNALIGNED="no"
3179                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3180                 ;;
3181 # TODO: make proper support for NaCl host.
3182 #        arm*-*nacl)
3183 #               TARGET=ARM;
3184 #               arch_target=arm;
3185 #               ACCESS_UNALIGNED="no"
3186 #               AOT_SUPPORTED="no"
3187 #               ;;
3188         aarch64-*)
3189                 # https://lkml.org/lkml/2012/7/15/133
3190                 TARGET=ARM64
3191                 arch_target=arm64
3192                 boehm_supported=false
3193                 AOT_SUPPORTED="yes"
3194                 ;;
3195         s390x-*-linux*)
3196                 TARGET=S390X;
3197                 arch_target=s390x;
3198                 ACCESS_UNALIGNED="yes"
3199                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3200                 ;;
3201 esac
3202
3203 HOST=$TARGET
3204
3205 if test "x$host" != "x$target"; then
3206    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3207    enable_mcs_build=no
3208    BTLS_SUPPORTED=no
3209    case "$target" in
3210    arm*-darwin*)
3211                 TARGET=ARM;
3212                 arch_target=arm;
3213                 ACCESS_UNALIGNED="no"
3214                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3215                 # Can't use tls, since it depends on the runtime detection of tls offsets
3216                 # in mono-compiler.h
3217                 with_tls=pthread
3218                 case "$target" in
3219                 armv7k-*)
3220                         arm_fpu=VFP_HARD
3221                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3222                         ;;
3223                 esac
3224                 ;;
3225    powerpc64-ps3-linux-gnu)
3226                 TARGET=POWERPC64
3227                 arch_target=powerpc64
3228                 AC_DEFINE(TARGET_PS3, 1, [...])
3229                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3230                 # uses this define
3231                 AC_DEFINE(__mono_ppc64__, 1, [...])
3232                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3233                 sizeof_register=8
3234                 target_byte_order=G_BIG_ENDIAN
3235                 ;;
3236    powerpc64-xbox360-linux-gnu)
3237                 TARGET=POWERPC64
3238                 arch_target=powerpc64
3239                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3240                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3241                 # uses this define
3242                 sizeof_register=8
3243                 target_byte_order=G_BIG_ENDIAN
3244                 ;;
3245    x86_64-*-nacl)
3246                 TARGET=AMD64
3247                 arch_target=amd64
3248                 AC_DEFINE(TARGET_AMD64, 1, [...])
3249                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3250                 sizeof_register=8
3251                 ;;
3252 # TODO: make proper support for NaCl target.
3253 #   arm*-*nacl)
3254 #               TARGET=ARM
3255 #               arch_target=arm
3256 #               AC_DEFINE(TARGET_ARM, 1, [...])
3257 #               ACCESS_UNALIGNED="no"
3258 #               sizeof_register=4
3259 #               CPPFLAGS="$CPPFLAGS \
3260 #                    -D__ARM_EABI__ \
3261 #                    -D__arm__ \
3262 #                    -D__portable_native_client__ \
3263 #                    -Dtimezone=_timezone \
3264 #                    -DDISABLE_SOCKETS \
3265 #                    -DDISABLE_ATTACH \
3266 #                    -DUSE_NEWLIB"
3267                 # Can't use tls, since it depends on the runtime detection of tls offsets
3268                 # in mono-compiler.h
3269 #               with_tls=pthread
3270 #               ;;
3271    i686-*-nacl)
3272                 TARGET=X86
3273                 arch_target=x86
3274                 AC_DEFINE(TARGET_X86, 1, [...])
3275                 sizeof_register=4
3276                 ;;
3277    arm*-linux-*)
3278                 TARGET=ARM;
3279                 arch_target=arm;
3280                 AC_DEFINE(TARGET_ARM, 1, [...])
3281                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3282                 ACCESS_UNALIGNED="no"
3283                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3284                 # Can't use tls, since it depends on the runtime detection of tls offsets
3285                 # in mono-compiler.h
3286                 with_tls=pthread
3287                 target_mach=no
3288                 case "$target" in
3289                 armv7l-unknown-linux-gnueabi*)
3290                         # TEGRA
3291                         CPPFLAGS="$CPPFLAGS"
3292                         ;;
3293                 armv5-*-linux-androideabi*)
3294                         CPPFLAGS="$CPPFLAGS"
3295                         ;;
3296                 esac
3297                 ;;
3298    arm*-netbsd*-eabi*)
3299                 TARGET=ARM;
3300                 arch_target=arm;
3301                 AC_DEFINE(TARGET_ARM, 1, [...])
3302                 ACCESS_UNALIGNED="no"
3303                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3304                 # Can't use tls, since it depends on the runtime detection of tls offsets
3305                 # in mono-compiler.h
3306                 with_tls=pthread
3307                 target_mach=no
3308                 ;;
3309    i686*-linux-*)
3310                 TARGET=X86;
3311                 arch_target=x86;
3312                 AC_DEFINE(TARGET_X86, 1, [...])
3313                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3314                 CPPFLAGS="$CPPFLAGS"
3315                 # Can't use tls, since it depends on the runtime detection of tls offsets
3316                 # in mono-compiler.h
3317                 with_tls=pthread
3318                 target_mach=no
3319                 ;;
3320    x86_64*-linux-*)
3321                 TARGET=AMD64;
3322                 arch_target=amd64;
3323                 AC_DEFINE(TARGET_AMD64, 1, [...])
3324                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3325                 CPPFLAGS="$CPPFLAGS"
3326                 # Can't use tls, since it depends on the runtime detection of tls offsets
3327                 # in mono-compiler.h
3328                 with_tls=pthread
3329                 target_mach=no
3330                 ;;
3331    x86_64-ps4-freebsd)
3332                 TARGET=AMD64;
3333                 arch_target=amd64;
3334                 AC_DEFINE(TARGET_AMD64, 1, [...])
3335                 AC_DEFINE(TARGET_PS4, 1, [...])
3336                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3337                 CPPFLAGS="$CPPFLAGS"
3338                 # Can't use tls, since it depends on the runtime detection of tls offsets
3339                 # in mono-compiler.h
3340                 with_tls=pthread
3341                 target_mach=no
3342                 target_win32=no
3343                 ;;
3344    aarch64*-linux-*)
3345                 TARGET=ARM64;
3346                 arch_target=arm64;
3347                 AC_DEFINE(TARGET_ARM64, 1, [...])
3348                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3349                 CPPFLAGS="$CPPFLAGS"
3350                 # Can't use tls, since it depends on the runtime detection of tls offsets
3351                 # in mono-compiler.h
3352                 with_tls=pthread
3353                 target_mach=no
3354                 ;;
3355         aarch64-*)
3356                 TARGET=ARM64
3357                 ;;
3358         *)
3359                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3360         esac
3361 fi
3362
3363 case "$TARGET" in
3364 X86)
3365         AC_DEFINE(TARGET_X86, 1, [...])
3366         ;;
3367 AMD64)
3368         AC_DEFINE(TARGET_AMD64, 1, [...])
3369         ;;
3370 ARM)
3371         AC_DEFINE(TARGET_ARM, 1, [...])
3372         ;;
3373 ARM64)
3374         AC_DEFINE(TARGET_ARM64, 1, [...])
3375         ;;
3376 POWERPC)
3377         AC_DEFINE(TARGET_POWERPC, 1, [...])
3378         ;;
3379 POWERPC64)
3380         AC_DEFINE(TARGET_POWERPC, 1, [...])
3381         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3382         ;;
3383 S390X)
3384         AC_DEFINE(TARGET_S390X, 1, [...])
3385         ;;
3386 MIPS)
3387         AC_DEFINE(TARGET_MIPS, 1, [...])
3388         ;;
3389 IA64)
3390         AC_DEFINE(TARGET_IA64, 1, [...])
3391         ;;
3392 SPARC)
3393         AC_DEFINE(TARGET_SPARC, 1, [...])
3394         ;;
3395 SPARC64)
3396         AC_DEFINE(TARGET_SPARC64, 1, [...])
3397         ;;
3398 esac
3399
3400 case "$HOST" in
3401 X86)
3402         AC_DEFINE(HOST_X86, 1, [...])
3403         ;;
3404 AMD64)
3405         AC_DEFINE(HOST_AMD64, 1, [...])
3406         ;;
3407 ARM)
3408         AC_DEFINE(HOST_ARM, 1, [...])
3409         ;;
3410 ARM64)
3411         AC_DEFINE(HOST_ARM64, 1, [...])
3412         ;;
3413 POWERPC)
3414         AC_DEFINE(HOST_POWERPC, 1, [...])
3415         ;;
3416 POWERPC64)
3417         AC_DEFINE(HOST_POWERPC, 1, [...])
3418         AC_DEFINE(HOST_POWERPC64, 1, [...])
3419         ;;
3420 S390X)
3421         AC_DEFINE(HOST_S390X, 1, [...])
3422         ;;
3423 MIPS)
3424         AC_DEFINE(HOST_MIPS, 1, [...])
3425         ;;
3426 IA64)
3427         AC_DEFINE(HOST_IA64, 1, [...])
3428         ;;
3429 SPARC)
3430         AC_DEFINE(HOST_SPARC, 1, [...])
3431         ;;
3432 SPARC64)
3433         AC_DEFINE(HOST_SPARC64, 1, [...])
3434         ;;
3435 esac
3436
3437
3438
3439 dnl *************
3440 dnl *** VTUNE ***
3441 dnl *************
3442
3443 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3444 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3445
3446 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3447
3448 if test "x$enable_vtune" = "xyes"; then
3449         if test "x$with_vtune" = "x"; then
3450                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3451         else
3452                 VTUNE_PATH=$with_vtune
3453         fi
3454         VTUNE_INCLUDE=$VTUNE_PATH/include
3455         case "$TARGET" in
3456         X86)
3457                 VTUNE_LIB=$VTUNE_PATH/lib32
3458                 ;;
3459         AMD64)
3460                 VTUNE_LIB=$VTUNE_PATH/lib64
3461                 ;;
3462         *)
3463                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3464                 ;;
3465         esac
3466         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3467                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3468         fi
3469         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3470                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3471         fi
3472
3473         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3474         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3475
3476         AC_SUBST(VTUNE_LIBS)
3477         AC_SUBST(VTUNE_CFLAGS)
3478 fi
3479 dnl Use GCC atomic ops if they work on the target.
3480 if test x$GCC = "xyes"; then
3481         case $TARGET in
3482         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3483                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3484                 ;;
3485         esac
3486 fi
3487
3488 if test "x$target_mach" = "xyes"; then
3489
3490    if test "x$TARGET_SYS" = "xWATCHOS"; then
3491           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3492           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3493           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3494           BTLS_SUPPORTED=no
3495    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3496           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3497           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3498           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3499           BTLS_SUPPORTED=no
3500    else
3501        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3502        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3503        #error fail this for ios
3504        #endif
3505        return 0;
3506        ], [
3507                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3508           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3509           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3510        ], [
3511           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3512           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3513           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3514           BTLS_SUPPORTED=no
3515        ])
3516         fi
3517    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3518 fi
3519
3520 if test "x$sizeof_register" = "x4"; then
3521    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3522 elif test "x$sizeof_register" = "x8"; then
3523    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3524 else
3525    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3526 fi
3527
3528 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3529    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3530 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3531    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3532 else
3533    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3534 fi
3535
3536 if test "x$have_visibility_hidden" = "xyes"; then
3537    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3538 fi
3539
3540 if test "x$have_deprecated" = "xyes"; then
3541    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3542 fi
3543
3544 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3545 if test "x$buildinterpreter" = "xyes"; then
3546     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3547     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3548 fi
3549
3550 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3551
3552
3553 dnl
3554 dnl Simple Generational checks (sgen)
3555 dnl
3556 SGEN_DEFINES=
3557 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3558 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3559 if test x$buildsgen = xyes; then
3560    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3561    SGEN_DEFINES="-DHAVE_SGEN_GC"
3562
3563         conc_gc_msg=""
3564    if test x$with_sgen_default_concurrent != xno; then
3565        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3566            conc_gc_msg=" (concurrent by default)"
3567    fi
3568
3569    if test "x$gc_msg" = "x"; then
3570       gc_msg="sgen$conc_gc_msg"
3571    else
3572       gc_msg="sgen$conc_gc_msg and $gc_msg"
3573    fi
3574 fi
3575 AC_SUBST(SGEN_DEFINES)
3576 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3577
3578 jit_status="Building and using the JIT"
3579
3580 libsuffix=".so"
3581
3582 case "$host" in
3583      *-*-darwin*)
3584         libsuffix=".dylib"
3585         LIBC="libc.dylib"
3586         INTL="libintl.dylib"
3587         SQLITE="libsqlite.0.dylib"
3588         SQLITE3="libsqlite3.0.dylib"
3589         X11="libX11.dylib"
3590         GDKX11="libgdk-x11-2.0.dylib"
3591         GTKX11="libgtk-x11-2.0.dylib"
3592         ;;
3593      *-*-*netbsd*)
3594         LIBC="libc.so"
3595         INTL="libintl.so"
3596         SQLITE="libsqlite.so"
3597         SQLITE3="libsqlite3.so"
3598         ;;
3599      *-*-kfreebsd*-gnu)
3600         LIBC="libc.so.0.1"
3601         INTL="libc.so.0.1"
3602         X11="libX11.so.6"
3603         ;;
3604     *-*-*freebsd*)
3605         LIBC="libc.so.7"
3606         INTL="libintl.so"
3607         SQLITE="libsqlite.so"
3608         SQLITE3="libsqlite3.so"
3609         ;;
3610     *-*-*openbsd*)
3611         LIBC="libc.so"
3612         INTL="libintl.so"
3613         SQLITE="libsqlite.so"
3614         SQLITE3="libsqlite3.so"
3615         ;;
3616     *-*-*linux*)
3617         AC_PATH_X
3618         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3619         AC_MSG_CHECKING(for the soname of libX11.so)
3620         for i in $x_libraries $dlsearch_path; do
3621                 for r in 4 5 6; do
3622                         if test -f $i/libX11.so.$r; then
3623                                 X11=libX11.so.$r
3624                                 AC_MSG_RESULT($X11)
3625                         fi
3626                 done
3627         done
3628
3629         if test "x$X11" = "xlibX11.so"; then
3630                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3631                 X11=libX11.so.6
3632         fi
3633         ;;
3634 esac
3635
3636
3637 AC_SUBST(libsuffix)
3638
3639 AC_ARG_WITH([libgdiplus],
3640         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3641         [], [with_libgdiplus=installed])
3642
3643 # default install location
3644 libgdiplus_install_loc=libgdiplus${libsuffix}
3645 case "$host" in
3646     *-*-*linux*)
3647     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3648     ;;
3649 esac
3650
3651 case $with_libgdiplus in
3652     no|installed)
3653     libgdiplus_loc=
3654     ;;
3655
3656     yes|sibling)
3657     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3658     ;;
3659
3660     /*) # absolute path, assume it is an install location
3661     libgdiplus_loc=$with_libgdiplus
3662     libgdiplus_install_loc=$with_libgdiplus
3663     ;;
3664
3665     *)
3666     libgdiplus_loc=`pwd`/$with_libgdiplus
3667     ;;
3668 esac
3669 AC_SUBST([libgdiplus_loc])
3670 AC_SUBST([libgdiplus_install_loc])
3671
3672 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3673 if test "x$icall_symbol_map" = "xyes"; then
3674    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3675 fi
3676
3677 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3678 if test "x$icall_export" = "xyes"; then
3679    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3680 fi
3681
3682 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3683 if test "x$icall_tables" = "xno"; then
3684    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3685 fi
3686
3687 if test "x$with_tls" = "x__thread"; then
3688         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3689         # Pass the information to libgc
3690         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3691         AC_MSG_CHECKING(if the tls_model attribute is supported)
3692         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3693                 ], [
3694                         AC_MSG_RESULT(yes)
3695                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3696                 ], [
3697                         AC_MSG_RESULT(no)
3698         ])
3699 fi
3700
3701 if test ${TARGET} = ARM; then
3702         dnl ******************************************
3703         dnl *** Check to see what FPU is available ***
3704         dnl ******************************************
3705         AC_MSG_CHECKING(which FPU to use)
3706
3707         #
3708         # This is a bit tricky:
3709         #
3710         # if (__ARM_PCS_VFP) {
3711         #       /* mfloat-abi=hard == VFP with hard ABI */
3712         # } elif (!__SOFTFP__) {
3713         #       /* mfloat-abi=softfp == VFP with soft ABI */
3714         # } else {
3715         #       /* mfloat-abi=soft == no VFP */
3716         # }
3717         #
3718         # The exception is iOS (w/ GCC) where none of the above
3719         # are defined (but iOS always uses the 'softfp' ABI).
3720         #
3721         # No support for FPA.
3722         #
3723
3724         fpu=NONE
3725
3726         # iOS GCC always uses the 'softfp' ABI.
3727         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3728                 fpu=VFP
3729         fi
3730
3731         # Are we using the 'hard' ABI?
3732         if test x$fpu = xNONE; then
3733                 AC_TRY_COMPILE([], [
3734                         #ifndef __ARM_PCS_VFP
3735                         #error "Float ABI is not 'hard'"
3736                         #endif
3737                         return 0;
3738                 ], [
3739                         fpu=VFP_HARD
3740                 ], [
3741                         fpu=NONE
3742                 ])
3743         fi
3744
3745         # No 'hard' ABI. 'soft' or 'softfp'?
3746         if test x$fpu = xNONE; then
3747                 AC_TRY_COMPILE([], [
3748                         #ifdef __SOFTFP__
3749                         #error "Float ABI is not 'softfp'"
3750                         #endif
3751                         return 0;
3752                 ], [
3753                         fpu=VFP
3754                 ], [
3755                         fpu=NONE
3756                 ])
3757         fi
3758
3759         if test x$arm_fpu != x; then
3760            fpu=$arm_fpu
3761         fi
3762
3763         AC_MSG_RESULT($fpu)
3764         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3765         unset fpu
3766
3767         dnl *********************************************
3768         dnl *** Check which ARM version(s) we can use ***
3769         dnl *********************************************
3770         AC_MSG_CHECKING(which ARM version to use)
3771
3772         AC_TRY_COMPILE([], [
3773                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3774                 #error Not on ARM v5.
3775                 #endif
3776                 return 0;
3777         ], [
3778                 arm_v5=yes
3779
3780                 arm_ver=ARMv5
3781         ], [])
3782
3783         AC_TRY_COMPILE([], [
3784                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3785                 #error Not on ARM v6.
3786                 #endif
3787                 return 0;
3788         ], [
3789                 arm_v5=yes
3790                 arm_v6=yes
3791
3792                 arm_ver=ARMv6
3793         ], [])
3794
3795         AC_TRY_COMPILE([], [
3796                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3797                 #error Not on ARM v7.
3798                 #endif
3799                 return 0;
3800         ], [
3801                 arm_v5=yes
3802                 arm_v6=yes
3803                 arm_v7=yes
3804
3805                 arm_ver=ARMv7
3806         ], [])
3807
3808         AC_MSG_RESULT($arm_ver)
3809
3810         if test x$arm_v5 = xyes; then
3811                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3812                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3813         fi
3814
3815         if test x$arm_v6 = xyes; then
3816                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3817                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3818         fi
3819
3820         if test x$arm_v7 = xyes; then
3821                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3822                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3823         fi
3824 fi
3825
3826 if test ${TARGET} = unknown; then
3827         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3828         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3829 fi
3830
3831 if test "x$platform_android" = "xyes"; then
3832         case "x${TARGET}" in
3833         xARM)
3834                 case "x$arm_ver" in
3835                 xARMv5)
3836                         BTLS_SUPPORTED=yes
3837                         BTLS_PLATFORM=android-armv5
3838                         ;;
3839                 xARMv6)
3840                         BTLS_SUPPORTED=yes
3841                         BTLS_PLATFORM=android-armv6
3842                         ;;
3843                 xARMv7)
3844                         BTLS_SUPPORTED=yes
3845                         BTLS_PLATFORM=android-armv7
3846                         ;;
3847                 *)
3848                         BTLS_SUPPORTED=no
3849                         ;;
3850                 esac
3851                 ;;
3852         xARM64)
3853                 BTLS_SUPPORTED=yes
3854                 BTLS_PLATFORM=android-v8a
3855                 ;;
3856         xX86)
3857                 BTLS_SUPPORTED=yes
3858                 BTLS_PLATFORM=android-x86
3859                 ;;
3860         xAMD64)
3861                 BTLS_SUPPORTED=yes
3862                 BTLS_PLATFORM=android-x64
3863                 ;;
3864         *)
3865                 BTLS_SUPPORTED=no
3866                 ;;
3867         esac
3868 fi
3869
3870 if test ${ACCESS_UNALIGNED} = no; then
3871         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3872 fi
3873
3874 if test x$host_darwin = xyes; then
3875         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3876         AS_IF(
3877                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3878                 [AC_MSG_RESULT([no])],
3879                 [
3880                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3881                         AR_FLAGS="Scru"
3882                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3883                         AC_MSG_RESULT([yes])
3884                 ]
3885         )
3886 fi
3887
3888 case "x$libgc" in
3889         xincluded)
3890                 # Pass CPPFLAGS to libgc configure
3891                 # We should use a separate variable for this to avoid passing useless and
3892                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3893                 # This should be executed late so we pick up the final version of CPPFLAGS
3894                 # The problem with this approach, is that during a reconfigure, the main
3895                 # configure scripts gets invoked with these arguments, so we use separate
3896                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3897                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3898                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3899                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3900                 fi
3901                 # Don't pass -finstrument-for-thread-suspension in,
3902                 # if these are instrumented it will be very bad news
3903                 # (infinite recursion, undefined parking behavior, etc)
3904                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3905                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3906                 if test "x$support_boehm" = "xyes"; then
3907                         AC_CONFIG_SUBDIRS(libgc)
3908                 fi
3909                 ;;
3910 esac
3911
3912 MALLOC_MEMPOOLS=no
3913 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3914         if test x$with_malloc_mempools = xyes; then
3915                 MALLOC_MEMPOOLS=yes
3916                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3917         fi
3918 ])
3919
3920
3921 DISABLE_MCS_DOCS=default
3922 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3923         if test x$with_mcs_docs != xyes; then
3924                 DISABLE_MCS_DOCS=yes
3925         fi
3926 ])
3927 if test -n "$INSTALL_4_x_TRUE"; then :
3928         DISABLE_MCS_DOCS=yes
3929 fi
3930 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3931    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3932 fi
3933
3934 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3935         if test x$with_lazy_gc_thread_creation != xno ; then
3936                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3937         fi
3938 ], [with_lazy_gc_thread_creation=no])
3939
3940 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])
3941
3942 if test x$with_cooperative_gc = xdefault; then
3943         with_cooperative_gc=$with_cooperative_gc_default
3944 fi
3945
3946 if test x$with_cooperative_gc != xno; then
3947         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3948 fi
3949
3950 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3951
3952 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],[
3953
3954         if test x$enable_checked_build != x ; then
3955                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3956         fi
3957         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3958                 eval "mono_checked_build_test_enable_$feature='yes'"
3959         done
3960
3961         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3962                 eval "mono_checked_build_test_enable_gc='yes'"
3963                 eval "mono_checked_build_test_enable_metadata='yes'"
3964                 eval "mono_checked_build_test_enable_thread='yes'"
3965         fi
3966
3967         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3968                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3969         fi
3970
3971         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3972                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3973         fi
3974
3975         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3976                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3977         fi
3978
3979 ], [])
3980
3981 AC_CHECK_HEADER([malloc.h],
3982                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3983                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3984
3985 if test x"$GCC" = xyes; then
3986         # Implicit function declarations are not 64 bit safe
3987         # Do this late, since this causes lots of configure tests to fail
3988         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3989         # jay has a lot of implicit declarations
3990         JAY_CFLAGS="-Wno-implicit-function-declaration"
3991 fi
3992
3993 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3994 # instead of libmono-static.a
3995 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3996    LIBMONO_LA=libmini-static.la
3997 else
3998    if test x$buildsgen = xyes; then
3999       LIBMONO_LA=libmonosgen-$API_VER.la
4000    else
4001       LIBMONO_LA=libmonoboehm-$API_VER.la
4002    fi
4003 fi
4004 AC_SUBST(LIBMONO_LA)
4005
4006 dnl **************
4007 dnl ***  Btls  ***
4008 dnl **************
4009
4010 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4011 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4012
4013 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4014
4015 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4016
4017 btls_android=no
4018 if test "x$enable_btls" = "xyes"; then
4019         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4020         if test "x$CMAKE" = "xno"; then
4021                 AC_MSG_ERROR("cmake not found")
4022         fi
4023
4024         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4025         AC_SUBST(BTLS_ROOT)
4026
4027         btls_arch=
4028         btls_cflags=
4029         BTLS_CMAKE_ARGS=
4030
4031         case "$BTLS_PLATFORM" in
4032         i386)
4033                 btls_arch=i386
4034                 btls_cflags="-m32"
4035                 case $host_os in
4036                         darwin*)
4037                                 btls_cflags="$btls_cflags -arch i386"
4038                 esac
4039                 ;;
4040         x86_64)
4041                 btls_arch=x86_64
4042                 ;;
4043         android-armv5)
4044                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4045                 ;;
4046         android-armv6)
4047                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4048                 ;;
4049         android-armv7)
4050                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4051                 ;;
4052         android-v8a)
4053                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4054                 ;;
4055         android-x86)
4056                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4057                 ;;
4058         android-x64)
4059                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4060                 ;;
4061         *)
4062                 AC_MSG_ERROR(Invalid BTLS platform)
4063         esac
4064
4065         if test "x$platform_android" = "xyes"; then
4066                 btls_android=yes
4067                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4068                 if test "x$with_btls_android_ndk" != "x"; then
4069                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4070                 fi
4071         fi
4072
4073         if test "x$btls_arch" != "x"; then
4074                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4075         fi
4076
4077         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4078         AC_SUBST(BTLS_ARCH)
4079         AC_SUBST(BTLS_CFLAGS)
4080         AC_SUBST(BTLS_PLATFORM)
4081         AC_SUBST(BTLS_CMAKE_ARGS)
4082
4083         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4084 else
4085         enable_btls=no
4086 fi
4087
4088 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4089
4090 if test x$DISABLE_MCS_DOCS = xyes; then
4091    docs_dir=""
4092 else
4093    docs_dir=docs
4094 fi
4095 AC_SUBST(docs_dir)
4096
4097 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4098 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4099
4100 libmono_ldflags="$libmono_ldflags $LIBS"
4101
4102 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4103 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4104 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4105 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4106 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4107 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4108 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4109 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4110 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4111 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4112 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4113 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4114 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4115 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4116 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4117 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4118 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4119 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4120
4121 AC_SUBST(LIBC)
4122 AC_SUBST(INTL)
4123 AC_SUBST(SQLITE)
4124 AC_SUBST(SQLITE3)
4125 AC_SUBST(X11)
4126 AC_SUBST(GDKX11)
4127 AC_SUBST(GTKX11)
4128 AC_SUBST(XINERAMA)
4129 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4130 AC_SUBST(arch_target)
4131 AC_SUBST(CFLAGS)
4132 AC_SUBST(CPPFLAGS)
4133 AC_SUBST(LDFLAGS)
4134
4135 #This must always be defined when building the runtime
4136 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4137
4138 mono_build_root=`pwd`
4139 AC_SUBST(mono_build_root)
4140
4141 mono_runtime=mono/mini/mono
4142 AC_SUBST(mono_runtime)
4143
4144 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4145
4146 if test $csc_compiler = mcs; then
4147   CSC=$mcs_topdir/class/lib/build/mcs.exe
4148 else
4149   CSC=$CSC_LOCATION
4150 fi
4151
4152 mono_cfg_root=$mono_build_root/runtime
4153 if test x$host_win32 = xyes; then
4154   if test "x$cross_compiling" = "xno"; then
4155     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4156     CSC="'"`cygpath -w -a $CSC`"'"
4157         CSC_LOCATION="'"`cygpath -w -a $CSC_LOCATION`"'"
4158   else
4159     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4160   fi
4161 else
4162   mono_cfg_dir=$mono_cfg_root/etc
4163 fi
4164 AC_SUBST(mono_cfg_dir)
4165
4166 AC_SUBST(CSC)
4167
4168 AC_CONFIG_FILES([po/mcs/Makefile.in])
4169
4170 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4171 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4172
4173 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4174 [   depth=../../../..
4175     case $srcdir in
4176     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4177     .) reldir=$depth ;;
4178     *) reldir=$depth/$srcdir ;;
4179     esac
4180     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4181     cd runtime/etc/mono/1.0
4182     rm -f machine.config
4183     $LN_S $reldir/data/net_1_1/machine.config machine.config
4184     cd $depth
4185 ],[LN_S='$LN_S'])
4186
4187 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4188 [   depth=../../../..
4189     case $srcdir in
4190     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4191     .) reldir=$depth ;;
4192     *) reldir=$depth/$srcdir ;;
4193     esac
4194     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4195     cd runtime/etc/mono/2.0
4196     rm -f machine.config
4197     $LN_S $reldir/data/net_2_0/machine.config machine.config
4198     cd $depth
4199 ],[LN_S='$LN_S'])
4200
4201 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4202 [   depth=../../../..
4203     case $srcdir in
4204     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4205     .) reldir=$depth ;;
4206     *) reldir=$depth/$srcdir ;;
4207     esac
4208     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4209     cd runtime/etc/mono/2.0
4210     rm -f web.config
4211     $LN_S $reldir/data/net_2_0/web.config web.config
4212     cd $depth
4213 ],[LN_S='$LN_S'])
4214
4215 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4216 [   depth=../../..
4217     case $srcdir in
4218     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4219     .) reldir=$depth ;;
4220     *) reldir=$depth/$srcdir ;;
4221     esac
4222     $ac_aux_dir/install-sh -d runtime/etc/mono/
4223     cd runtime/etc/mono/
4224     rm -f browscap.ini
4225     $LN_S $reldir/data/browscap.ini browscap.ini
4226     cd $depth
4227 ],[LN_S='$LN_S'])
4228
4229 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4230 [   depth=../../../../..
4231     case $srcdir in
4232     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4233     .) reldir=$depth ;;
4234     *) reldir=$depth/$srcdir ;;
4235     esac
4236     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4237     cd runtime/etc/mono/2.0/Browsers
4238     rm -f Compat.browser
4239     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4240     cd $depth
4241 ],[LN_S='$LN_S'])
4242
4243 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4244 [   depth=../../../../..
4245     case $srcdir in
4246     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4247     .) reldir=$depth ;;
4248     *) reldir=$depth/$srcdir ;;
4249     esac
4250     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4251     cd runtime/etc/mono/4.0/Browsers
4252     rm -f Compat.browser
4253     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4254     cd $depth
4255 ],[LN_S='$LN_S'])
4256
4257 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4258 [   depth=../../../../..
4259     case $srcdir in
4260     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4261     .) reldir=$depth ;;
4262     *) reldir=$depth/$srcdir ;;
4263     esac
4264     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4265     cd runtime/etc/mono/4.5/Browsers
4266     rm -f Compat.browser
4267     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4268     cd $depth
4269 ],[LN_S='$LN_S'])
4270
4271 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4272 [   depth=../../../..
4273     case $srcdir in
4274     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4275     .) reldir=$depth ;;
4276     *) reldir=$depth/$srcdir ;;
4277     esac
4278     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4279     cd runtime/etc/mono/4.0
4280     rm -f machine.config
4281     $LN_S $reldir/data/net_4_0/machine.config machine.config
4282     cd $depth
4283 ],[LN_S='$LN_S'])
4284
4285 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4286 [   depth=../../../..
4287     case $srcdir in
4288     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4289     .) reldir=$depth ;;
4290     *) reldir=$depth/$srcdir ;;
4291     esac
4292     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4293     cd runtime/etc/mono/4.0
4294     rm -f web.config
4295     $LN_S $reldir/data/net_4_0/web.config web.config
4296     cd $depth
4297 ],[LN_S='$LN_S'])
4298
4299 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4300 [   depth=../../../..
4301     case $srcdir in
4302     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4303     .) reldir=$depth ;;
4304     *) reldir=$depth/$srcdir ;;
4305     esac
4306     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4307     cd runtime/etc/mono/4.5
4308     rm -f machine.config
4309     $LN_S $reldir/data/net_4_5/machine.config machine.config
4310     cd $depth
4311 ],[LN_S='$LN_S'])
4312
4313 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4314 [   depth=../../../..
4315     case $srcdir in
4316     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4317     .) reldir=$depth ;;
4318     *) reldir=$depth/$srcdir ;;
4319     esac
4320     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4321     cd runtime/etc/mono/4.5
4322     rm -f web.config
4323     $LN_S $reldir/data/net_4_5/web.config web.config
4324     cd $depth
4325 ],[LN_S='$LN_S'])
4326
4327 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])
4328 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])
4329
4330 AC_OUTPUT([
4331 Makefile
4332 mono-uninstalled.pc
4333 acceptance-tests/Makefile
4334 llvm/Makefile
4335 scripts/mono-find-provides
4336 scripts/mono-find-requires
4337 mono/Makefile
4338 mono/btls/Makefile
4339 mono/utils/Makefile
4340 mono/metadata/Makefile
4341 mono/dis/Makefile
4342 mono/cil/Makefile
4343 mono/arch/Makefile
4344 mono/arch/x86/Makefile
4345 mono/arch/amd64/Makefile
4346 mono/arch/ppc/Makefile
4347 mono/arch/sparc/Makefile
4348 mono/arch/s390x/Makefile
4349 mono/arch/arm/Makefile
4350 mono/arch/arm64/Makefile
4351 mono/arch/ia64/Makefile
4352 mono/arch/mips/Makefile
4353 mono/sgen/Makefile
4354 mono/tests/Makefile
4355 mono/tests/tests-config
4356 mono/tests/assemblyresolve/Makefile
4357 mono/tests/gc-descriptors/Makefile
4358 mono/unit-tests/Makefile
4359 mono/benchmark/Makefile
4360 mono/mini/Makefile
4361 mono/profiler/Makefile
4362 m4/Makefile
4363 ikvm-native/Makefile
4364 scripts/Makefile
4365 man/Makefile
4366 docs/Makefile
4367 data/Makefile
4368 data/net_2_0/Makefile
4369 data/net_4_0/Makefile
4370 data/net_4_5/Makefile
4371 data/net_2_0/Browsers/Makefile
4372 data/net_4_0/Browsers/Makefile
4373 data/net_4_5/Browsers/Makefile
4374 data/mint.pc
4375 data/mono-2.pc
4376 data/monosgen-2.pc
4377 data/mono.pc
4378 data/mono-cairo.pc
4379 data/mono-nunit.pc
4380 data/mono-options.pc
4381 data/mono-lineeditor.pc
4382 data/monodoc.pc
4383 data/dotnet.pc
4384 data/dotnet35.pc
4385 data/wcf.pc
4386 data/cecil.pc
4387 data/system.web.extensions_1.0.pc
4388 data/system.web.extensions.design_1.0.pc
4389 data/system.web.mvc.pc
4390 data/system.web.mvc2.pc
4391 data/system.web.mvc3.pc
4392 data/aspnetwebstack.pc
4393 data/reactive.pc
4394 samples/Makefile
4395 support/Makefile
4396 data/config
4397 tools/Makefile
4398 tools/locale-builder/Makefile
4399 tools/sgen/Makefile
4400 tools/monograph/Makefile
4401 tools/pedump/Makefile
4402 runtime/Makefile
4403 msvc/Makefile
4404 po/Makefile
4405 ])
4406
4407 # Update all submodules recursively to ensure everything is checked out
4408 $srcdir/scripts/update_submodules
4409
4410 if test x$host_win32 = xyes; then
4411    # Get rid of 'cyg' prefixes in library names
4412    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4413    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4414    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4415    # executable doesn't work...
4416    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4417 fi
4418
4419 if test x$host_darwin = xyes; then
4420    # This doesn't seem to be required and it slows down parallel builds
4421    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4422 fi
4423
4424 (
4425   case $prefix in
4426   NONE) prefix=$ac_default_prefix ;;
4427   esac
4428   case $exec_prefix in
4429   NONE) exec_prefix='${prefix}' ;;
4430   esac
4431
4432   #
4433   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4434   # any existing config.make.  This allows people to share the same source tree
4435   # with different build directories, one native and one cross
4436   #
4437   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4438
4439     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4440
4441     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4442     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4443     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4444     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4445     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4446     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4447     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4448     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4449     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4450
4451     case $INSTALL in
4452     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4453     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4454     esac
4455
4456     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4457
4458     export VERSION
4459     [myver=$($AWK 'BEGIN {
4460       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4461       if(length(vsplit [1]) > 4) {
4462         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4463       }
4464       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4465     }')]
4466
4467     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4468
4469     if test x$host_darwin = xyes; then
4470       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4471     fi
4472
4473     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4474       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4475     fi
4476
4477         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4478            enable_system_aot=yes
4479         fi
4480
4481     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4482       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4483     fi
4484
4485     if test x$DISABLE_MCS_DOCS = xyes; then
4486       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4487     fi
4488
4489     if test x$has_extension_module != xno; then
4490         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4491     fi
4492
4493     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4494
4495     if test "x$test_bcl_opt" = "xyes"; then
4496       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4497     fi
4498
4499     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4500
4501     if test $csc_compiler = mcs; then
4502       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4503     fi
4504
4505     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4506       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4507       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4508     fi
4509
4510     if test "x$enable_btls" = "xyes"; then
4511       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4512       if test "x$enable_dynamic_btls" = "xyes"; then
4513         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4514       fi
4515     fi
4516
4517   fi
4518
4519 )
4520
4521 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4522
4523 btls_platform_string=
4524 if test x$enable_btls = xyes; then
4525         if test x$btls_android = xyes; then
4526                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4527         else
4528                 btls_platform_string=" ($BTLS_PLATFORM)"
4529         fi
4530 fi
4531
4532 echo "
4533         mcs source:    $mcsdir
4534         C# Compiler:   $csc_compiler
4535
4536    Engine:
4537         Host:          $host
4538         Target:        $target
4539         GC:            $gc_msg
4540         TLS:           $with_tls
4541         SIGALTSTACK:   $with_sigaltstack
4542         Engine:        $jit_status
4543         BigArrays:     $enable_big_arrays
4544         DTrace:        $enable_dtrace
4545         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4546         Interpreter:   $buildinterpreter
4547
4548    Libraries:
4549         .NET 4.x:        $with_profile4_x
4550         Xamarin.Android: $with_monodroid
4551         Xamarin.iOS:     $with_monotouch
4552         Xamarin.WatchOS: $with_monotouch_watch
4553         Xamarin.TVOS:    $with_monotouch_tv
4554         Xamarin.Mac:     $with_xammac
4555         Windows AOT:     $with_winaot
4556         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4557         JNI support:     $jdk_headers_found
4558         libgdiplus:      $libgdiplus_msg
4559         zlib:            $zlib_msg
4560         BTLS:            $enable_btls$btls_platform_string
4561         $disabled
4562 "
4563 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4564    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4565 fi