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=$CFLAGS
  55
  56 # libgc uses some deprecated APIs
  57 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  58
  59 #
  60 # These are the flags that need to be stored in the mono.pc file for
  61 # compiling code that will embed Mono
  62 #
  63 libmono_cflags=""
  64 libmono_ldflags=""
  65 AC_SUBST(libmono_cflags)
  66 AC_SUBST(libmono_ldflags)
  67
  68 # Variable to have relocatable .pc files (lib, or lib64)
  69 reloc_libdir=`basename ${libdir}`
  70 AC_SUBST(reloc_libdir)
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  76 extra_runtime_ldflags=""
  77
  78 # Thread configuration inspired by sleepycat's db
  79 AC_MSG_CHECKING([host platform characteristics])
  80 libgc_threads=no
  81 has_dtrace=no
  82 parallel_mark=yes
  83 ikvm_native=yes
  84
  85 host_win32=no
  86 target_win32=no
  87 platform_android=no
  88 host_darwin=no
  89 case "$host" in
  90         *-mingw*|*-*-cygwin*)
  91                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  92                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  93                 host_win32=yes
  94                 mono_cv_clang=no
  95                 if test "x$cross_compiling" = "xno"; then
  96                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
  97                                 target_win32=yes
  98                         fi
  99                 else
 100                         if test "x$host" = "x$target"; then
 101                                 target_win32=yes
 102                         fi
 103                 fi
 104                 HOST_CC="gcc"
 105                 # Windows Vista or later is required
 106                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 107                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 108                 libmono_cflags="-mms-bitfields -mwindows"
 109                 libmono_ldflags="-mms-bitfields -mwindows"
 110                 libdl=
 111                 libgc_threads=win32
 112                 with_sigaltstack=no
 113                 with_tls=pthread
 114                 LN_S=cp
 115                 # This forces libgc to use the DllMain based thread registration code on win32
 116                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 117                 ;;
 118         *-*-*netbsd*)
 119                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 120                 libmono_cflags="-D_REENTRANT"
 121                 LDFLAGS="$LDFLAGS -pthread"
 122                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 123                 libmono_ldflags="-pthread"
 124                 need_link_unlink=yes
 125                 libdl="-ldl"
 126                 libgc_threads=pthreads
 127                 with_sigaltstack=no
 128                 use_sigposix=yes
 129                 ;;
 130         *-*-kfreebsd*-gnu)
 131                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 132                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 133                 libmono_ldflags="-lpthread -pthread"
 134                 libdl="-ldl"
 135                 libgc_threads=pthreads
 136                 need_link_unlink=yes
 137                 with_sigaltstack=no
 138                 use_sigposix=yes
 139                 ;;
 140         *-*-*freebsd*)
 141                 if test "x$PTHREAD_CFLAGS" = "x"; then
 142                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 143                         libmono_cflags=
 144                 else
 145                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 146                         libmono_cflags="$PTHREAD_CFLAGS"
 147                 fi
 148                 if test "x$PTHREAD_LIBS" = "x"; then
 149                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 150                         libmono_ldflags="-pthread"
 151                 else
 152                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 153                         libmono_ldflags="$PTHREAD_LIBS"
 154                 fi
 155                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 156                 need_link_unlink=yes
 157                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 158                 libdl=
 159                 libgc_threads=pthreads
 160                 use_sigposix=yes
 161                 has_dtrace=yes
 162                 ;;
 163         *-*-*openbsd*)
 164                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 165                 if test "x$disable_munmap" != "xyes"; then
 166                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 167                 fi
 168                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 169                 LDFLAGS="$LDFLAGS -pthread"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID)
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 with_sigaltstack=no
 175                 use_sigposix=yes
 176                 ;;
 177         *-*-linux-android*)
 178                 platform_android=yes
 179                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 180                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 181
 182                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 183                 if test "x$disable_munmap" != "xyes"; then
 184                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 185                 fi
 186                 libmono_cflags="-D_REENTRANT"
 187                 libdl="-ldl"
 188                 libgc_threads=pthreads
 189                 use_sigposix=yes
 190
 191                 with_tls=pthread
 192                 with_sigaltstack=no
 193                 with_static_mono=no
 194
 195                 # Android doesn't support boehm, as it's missing <link.h>
 196                 support_boehm=no
 197                 with_gc=sgen
 198
 199                 # isinf(3) requires -lm; see isinf check below
 200                 LDFLAGS="$LDFLAGS -lm"
 201
 202                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 203                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 204                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 205                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 206                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 207
 208                 # The configure check can't detect this
 209                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 210
 211                 # to bypass the underscore linker check, can't work when cross-compiling
 212                 mono_cv_uscore=yes
 213                 mono_cv_clang=no
 214                 ;;
 215         *-*-linux*)
 216                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 217                 if test "x$disable_munmap" != "xyes"; then
 218                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 219                 fi
 220                 libmono_cflags="-D_REENTRANT"
 221                 libdl="-ldl"
 222                 libgc_threads=pthreads
 223                 use_sigposix=yes
 224                 if test "x$cross_compiling" != "xno"; then
 225                         # to bypass the underscore linker check, not
 226                         # available during cross-compilation
 227                         mono_cv_uscore=no
 228                 fi
 229                 case "$host" in
 230                 aarch64-*)
 231                         support_boehm=no
 232                         with_gc=sgen
 233                         ;;
 234                 powerpc*-*-linux*)
 235                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 236                         disable_munmap=yes
 237                         ;;
 238                 esac
 239                 ;;
 240         *-*-nacl*)
 241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 242                 if test "x$disable_munmap" != "xyes"; then
 243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 244                 fi
 245                 libmono_cflags="-D_REENTRANT"
 246                 libdl=
 247                 libgc_threads=pthreads
 248                 use_sigposix=yes
 249                 ikvm_native=no
 250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 252                 ;;
 253         *-*-hpux*)
 254                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 255                 # +ESdbgasm only valid on bundled cc on RISC
 256                 # silently ignored for ia64
 257                 if test $GCC != "yes"; then
 258                         CFLAGS="$CFLAGS +ESdbgasm"
 259                         # Arrange for run-time dereferencing of null
 260                         # pointers to produce a SIGSEGV signal.
 261                         LDFLAGS="$LDFLAGS -z"
 262                 fi
 263                 CFLAGS="$CFLAGS +ESdbgasm"
 264                 LDFLAGS="$LDFLAGS -z"
 265                 libmono_cflags="-D_REENTRANT"
 266                 libmono_ldflags="-lpthread"
 267                 libgc_threads=pthreads
 268                 need_link_unlink=yes
 269                 use_sigposix=yes
 270                 ;;
 271         *-*-solaris*)
 272                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 273                 need_link_unlink=yes
 274                 libmono_cflags="-D_REENTRANT"
 275                 libgc_threads=pthreads
 276                 has_dtrace=yes
 277                 use_sigposix=yes
 278                 enable_solaris_tar_check=yes
 279                 ;;
 280         *-*-darwin*)
 281                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 282                 host_darwin=yes
 283                 target_mach=yes
 284                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 285                 libmono_cflags="-D_THREAD_SAFE"
 286                 need_link_unlink=yes
 287                 AC_DEFINE(PTHREAD_POINTER_ID)
 288                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 289                 libdl=
 290                 libgc_threads=pthreads
 291                 has_dtrace=yes
 292                 if test "x$cross_compiling" = "xyes"; then
 293                         has_broken_apple_cpp=yes
 294                 fi
 295                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 296                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 297                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 298                 case "$host" in
 299                         dnl Snow Leopard and newer config.guess reports as this
 300                         i*86-*-darwin*)
 301                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 302                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 303                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 304                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 305                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 306                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 307                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 308                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 309                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 310                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 311                                 ;;
 312                         x*64-*-darwin*)
 313                                 ;;
 314                         arm*-darwin*)
 315                                 has_dtrace=no
 316                                 ;;
 317                 esac
 318                 ;;
 319         *-*-haiku*)
 320                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 321                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 322                 libdl=
 323                 LIBS="$LIBS -lnetwork"
 324                 need_link_unlink=yes
 325                 AC_DEFINE(PTHREAD_POINTER_ID)
 326                 libgc_threads=pthreads
 327                 use_sigposix=yes
 328                 ;;
 329         *)
 330                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 331                 libdl="-ldl"
 332                 ;;
 333 esac
 334 AC_MSG_RESULT(ok)
 335
 336 if test x$need_link_unlink = xyes; then
 337    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 338 fi
 339
 340 if test x$host_win32 = xyes; then
 341    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 342 fi
 343
 344 if test x$target_win32 = xyes; then
 345    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 346 fi
 347
 348 AC_SUBST(extra_runtime_ldflags)
 349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 355
 356 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 357 PLATFORM_AOT_SUFFIX=.dylib
 358 fi
 359
 360 if test -z "$PLATFORM_LINUX_TRUE"; then :
 361 PLATFORM_AOT_SUFFIX=.so
 362 fi
 363
 364 AC_SUBST(PLATFORM_AOT_SUFFIX)
 365
 366 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 367
 368 AC_CHECK_TOOL(CC, gcc, gcc)
 369 AC_PROG_CC
 370 AC_CHECK_TOOL(CXX, g++, g++)
 371 AC_PROG_CXX
 372 AM_PROG_AS
 373 AC_PROG_INSTALL
 374 AC_PROG_AWK
 375 AM_PROG_CC_C_O
 376 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 377 : ${CCAS='$(CC)'}
 378 # Set ASFLAGS if not already set.
 379 : ${CCASFLAGS='$(CFLAGS)'}
 380 AC_SUBST(CCAS)
 381 AC_SUBST(CCASFLAGS)
 382
 383 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 384 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 385 if test "x$CXX" = "xg++"; then
 386         if test "x$GXX" != "xyes"; then
 387                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 388                 # are inside automake conditionals
 389                 AC_MSG_ERROR([You need to install g++])
 390         fi
 391 fi
 392
 393 dnl may require a specific autoconf version
 394 dnl AC_PROG_CC_FOR_BUILD
 395 dnl CC_FOR_BUILD not automatically detected
 396 CC_FOR_BUILD=$CC
 397 CFLAGS_FOR_BUILD=$CFLAGS
 398 BUILD_EXEEXT=
 399 if test "x$cross_compiling" = "xyes"; then
 400         CC_FOR_BUILD=cc
 401         CFLAGS_FOR_BUILD=
 402         BUILD_EXEEXT=""
 403 fi
 404 AC_SUBST(CC_FOR_BUILD)
 405 AC_SUBST(CFLAGS_FOR_BUILD)
 406 AC_SUBST(HOST_CC)
 407 AC_SUBST(BUILD_EXEEXT)
 408
 409 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 410 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 411
 412 # Set STDC_HEADERS
 413 AC_HEADER_STDC
 414 AC_LIBTOOL_WIN32_DLL
 415 # This causes monodis to not link correctly
 416 #AC_DISABLE_FAST_INSTALL
 417 AM_PROG_LIBTOOL
 418 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 419 DOLT
 420
 421 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 422 AC_SUBST(export_ldflags)
 423
 424 # Test whenever ld supports -version-script
 425 AC_PROG_LD
 426 AC_PROG_LD_GNU
 427
 428 AM_ICONV()
 429
 430 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)
 431 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)
 432 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 433                   [], [], [#include <stddef.h>
 434                   #include <sys/socket.h>
 435                   #include <linux/socket.h>])
 436
 437 AC_CHECK_HEADERS(sys/user.h, [], [],
 438 [
 439 #ifdef HAVE_SYS_PARAM_H
 440 # include <sys/param.h>
 441 #endif
 442 ])
 443
 444 AC_CHECK_HEADERS(linux/serial.h)
 445
 446 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 447 if test x$have_zlib = xyes; then
 448    AC_TRY_COMPILE([#include <zlib.h>], [
 449    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 450    return 0;
 451    #else
 452    #error No good zlib found
 453    #endif
 454    ],[
 455         AC_MSG_RESULT(Using system zlib)
 456         zlib_msg="system zlib"
 457         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 458    ],[
 459         AC_MSG_RESULT(Using embedded zlib)
 460         have_zlib=no
 461         zlib_msg="bundled zlib"
 462    ])
 463 fi
 464
 465 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 466 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 467
 468 # for mono/metadata/debug-symfile.c
 469 AC_CHECK_HEADERS(elf.h)
 470
 471 # for support
 472 AC_CHECK_HEADERS(poll.h)
 473 AC_CHECK_HEADERS(sys/poll.h)
 474 AC_CHECK_HEADERS(sys/wait.h)
 475 AC_CHECK_HEADERS(grp.h)
 476 AC_CHECK_HEADERS(syslog.h)
 477
 478 # for mono/dis
 479 AC_CHECK_HEADERS(wchar.h)
 480 AC_CHECK_HEADERS(ieeefp.h)
 481 AC_MSG_CHECKING(for isinf)
 482 AC_TRY_LINK([#include <math.h>], [
 483         int f = isinf (1.0);
 484 ], [
 485         AC_MSG_RESULT(yes)
 486         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 487 ], [
 488         # We'll have to use signals
 489         AC_MSG_RESULT(no)
 490 ])
 491 # mingw
 492 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 493         AC_TRY_LINK([#include <math.h>],
 494         [ _finite(0.0); ],
 495         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 496         AC_MSG_RESULT(no)))
 497
 498 # for Linux statfs support
 499 AC_CHECK_HEADERS(linux/magic.h)
 500
 501 # not 64 bit clean in cross-compile
 502 AC_CHECK_SIZEOF(void *, 4)
 503
 504 AC_CACHE_CHECK([for clang],
 505         mono_cv_clang,[
 506         AC_TRY_COMPILE([], [
 507                 #ifdef __clang__
 508                 #else
 509                 #error "FAILED"
 510                 #endif
 511                 return 0;
 512         ],
 513         [mono_cv_clang=yes],
 514         [mono_cv_clang=no],
 515         [])
 516 ])
 517
 518 AC_ARG_ENABLE(visibility-hidden,
 519 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 520    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 521
 522 WARN=''
 523 if test x"$GCC" = xyes; then
 524         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 525
 526                 # We require C99 with some GNU extensions, e.g. `linux` macro
 527                 CFLAGS="$CFLAGS -std=gnu99"
 528
 529                 # The runtime code does not respect ANSI C strict aliasing rules
 530                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 531
 532                 # We rely on signed overflow to behave
 533                 CFLAGS="$CFLAGS -fwrapv"
 534
 535                 # We rely on zero length arrays in structs
 536                 CFLAGS="$CFLAGS -Wno-zero-length-array"
 537
 538                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 539                 if test x"$disable_visibility_hidden" = xno; then
 540                    # Don't export any symbols by default
 541                    SHARED_CFLAGS="-fvisibility=hidden"
 542                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 543                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 544                 fi
 545
 546                 ORIG_CFLAGS=$CFLAGS
 547                 # Check for the normal version, since gcc ignores unknown -Wno options
 548                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 549                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 550                 AC_TRY_COMPILE([],[
 551                                 return 0;
 552                 ], [
 553                    AC_MSG_RESULT(yes)
 554                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 555                 ], [
 556                    AC_MSG_RESULT(no)
 557                    CFLAGS=$ORIG_CFLAGS
 558                 ])
 559
 560                 if test "x$mono_cv_clang" = "xyes"; then
 561                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 562                    WARN="$WARN -Qunused-arguments"
 563                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 564                 fi
 565 else
 566         # The Sun Forte compiler complains about inline functions that access static variables
 567         # so disable all inlining.
 568         case "$host" in
 569         *-*-solaris*)
 570                 CFLAGS="$CFLAGS -Dinline="
 571                 ;;
 572         esac
 573 fi
 574 CFLAGS="$CFLAGS -g $WARN"
 575 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 576 CPPFLAGS="$CPPFLAGS -g $WARN"
 577
 578 # Where's the 'mcs' source tree?
 579 if test -d $srcdir/mcs; then
 580   mcsdir=mcs
 581 else
 582   mcsdir=../mcs
 583 fi
 584
 585 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 586         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 587                 mcsdir=$with_mcs_path
 588         fi
 589 )
 590
 591 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 592
 593 #
 594 # A sanity check to catch cases where the package was unpacked
 595 # with an ancient tar program (Solaris)
 596 #
 597 AC_ARG_ENABLE(solaris-tar-check,
 598 [  --disable-solaris-tar-check    disable solaris tar check],
 599    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 600
 601 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 602         AC_MSG_CHECKING(integrity of package)
 603         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 604         then
 605                 AC_MSG_RESULT(ok)
 606         else
 607                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 608                 AC_MSG_ERROR([$errorm])
 609         fi
 610 fi
 611
 612 if test "x$with_mcs_path" != "x"; then
 613 mcs_topdir=$(cd "$mcsdir" && pwd)
 614 mcs_topdir_from_srcdir=$mcs_topdir
 615 else
 616 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 617 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 618 fi
 619
 620 # Convert mcs_topdir* paths to Windows syntax.
 621 if test x$cross_compiling$host_win32 = xnoyes; then
 622   mcs_topdir=$(cygpath -m $mcs_topdir)
 623   case $mcs_topdir_from_srcdir in
 624     /cygdrive/*)
 625         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 626         ;;
 627   esac
 628 fi
 629
 630 AC_SUBST([mcs_topdir])
 631 AC_SUBST([mcs_topdir_from_srcdir])
 632
 633 # gettext: prepare the translation directories.
 634 # we do not configure the full gettext, as we consume it dynamically from C#
 635 AM_PO_SUBDIRS
 636
 637 if test "x$USE_NLS" = "xyes"; then
 638    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 639
 640    if test "x$HAVE_MSGFMT" = "xno"; then
 641           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 642    fi
 643 fi
 644
 645 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 646
 647 pkg_config_path=
 648 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 649         if test x$with_crosspkgdir = "x"; then
 650                 if test -s $PKG_CONFIG_PATH; then
 651                         pkg_config_path=$PKG_CONFIG_PATH
 652                 fi
 653         else
 654                 pkg_config_path=$with_crosspkgdir
 655                 PKG_CONFIG_PATH=$pkg_config_path
 656                 export PKG_CONFIG_PATH
 657         fi
 658 )
 659
 660 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 661 if test x$werror_flag = xyes; then
 662         WERROR_CFLAGS="-Werror"
 663 fi
 664 AC_SUBST([WERROR_CFLAGS])
 665 AC_SUBST([SHARED_CFLAGS])
 666
 667 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 668 AC_CONFIG_SUBDIRS(eglib)
 669
 670 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 671 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 672
 673 AC_SUBST(GLIB_CFLAGS)
 674 AC_SUBST(GLIB_LIBS)
 675
 676 # Enable support for fast thread-local storage
 677 # Some systems have broken support, so we allow to disable it.
 678 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 679
 680 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 681 # This does not work on some platforms (bug #55253)
 682 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 683
 684 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 685 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 686 # Same as --with-shared_mono=no
 687 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 688
 689 if test "x$enable_static" = "xno"; then
 690    with_static_mono=no
 691 fi
 692
 693 if test "x$enable_shared" = "xno"; then
 694    with_shared_mono=no
 695 fi
 696
 697 if test "x$enable_libraries" = "xno"; then
 698    with_shared_mono=no
 699 fi
 700
 701 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 702
 703 case $host in
 704 *nacl* ) with_shared_mono=yes;;
 705 esac
 706
 707 if test "x$host_win32" = "xyes"; then
 708    # Boehm GC requires the runtime to be in its own dll
 709    with_static_mono=no
 710 fi
 711
 712 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 713 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 714 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 715
 716 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 717 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 718         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 719         ORIG_CFLAGS=$CFLAGS
 720         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 721         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 722         AC_TRY_COMPILE([], [
 723                 return 0;
 724         ], [
 725            AC_MSG_RESULT(yes)
 726            # Pass it to libgc as well
 727            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 728         ], [
 729            AC_MSG_RESULT(no)
 730            CFLAGS=$ORIG_CFLAGS
 731         ])
 732 fi
 733
 734 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 735
 736 if test x$enable_small_config = xyes; then
 737         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 738         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 739 fi
 740
 741 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=$enableval, enable_system_aot=default)
 742
 743 DISABLED_FEATURES=none
 744
 745 #
 746 # Set the build profiles and options before things which use them
 747 #
 748
 749 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 750 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 751 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 752 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 753 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 754 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 755 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 756 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 757
 758 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 759
 760 dnl
 761 dnl Profile defaults
 762 dnl
 763 TEST_PROFILE=default
 764 enable_llvm_default=no
 765
 766 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
 767
 768 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 769    DISABLE_MCS_DOCS_default=yes
 770    with_profile4_x_default=no
 771    with_monodroid_default=no
 772    with_monotouch_default=no
 773    with_monotouch_watch_default=no
 774    with_monotouch_tv_default=no
 775    with_xammac_default=no
 776    with_mobile_static_default=no
 777    with_bitcode_default=no
 778    with_cooperative_gc_default=no
 779 elif test x$with_runtime_preset = xnet_4_x; then
 780    with_cooperative_gc_default=no
 781    with_profile4_x_default=yes
 782    with_monodroid_default=no
 783    with_monotouch_default=no
 784    with_monotouch_watch_default=no
 785    with_monotouch_tv_default=no
 786    with_xammac_default=no
 787    with_mobile_static_default=no
 788    with_bitcode_default=no
 789 elif test x$with_runtime_preset = xall; then
 790    with_cooperative_gc_default=no
 791    with_profile4_x_default=yes
 792    with_monodroid_default=yes
 793    with_monotouch_default=yes
 794    with_monotouch_watch_default=yes
 795    with_monotouch_tv_default=yes
 796    with_xammac_default=yes
 797    with_mobile_static_default=no
 798    with_bitcode_default=no
 799 elif test x$with_runtime_preset = xmobile_static; then
 800    DISABLE_MCS_DOCS_default=yes
 801    with_cooperative_gc_default=no
 802    with_profile4_x_default=no
 803    with_monodroid_default=no
 804    with_monotouch_default=no
 805    with_monotouch_watch_default=no
 806    with_monotouch_tv_default=no
 807    with_xammac_default=no
 808    with_mobile_static_default=yes
 809    with_bitcode_default=no
 810    with_cooperative_gc_default=no
 811    TEST_PROFILE=mobile_static
 812
 813    mono_feature_disable_com='yes'
 814    mono_feature_disable_remoting='yes'
 815    mono_feature_disable_reflection_emit_save='yes'
 816    mono_feature_disable_reflection_emit='yes'
 817    mono_feature_disable_appdomains='yes'
 818
 819    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 820    AOT_RUN_FLAGS="--full-aot"
 821 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 822    DISABLE_MCS_DOCS_default=yes
 823    with_profile4_x_default=no
 824    with_monodroid_default=no
 825    with_monotouch_default=no
 826    with_monotouch_watch_default=no
 827    with_monotouch_tv_default=no
 828    with_xammac_default=no
 829    with_mobile_static_default=yes
 830    with_bitcode_default=yes
 831    with_cooperative_gc_default=yes
 832    TEST_PROFILE=mobile_static
 833    enable_llvm_default=yes
 834
 835    mono_feature_disable_com='yes'
 836    mono_feature_disable_remoting='yes'
 837    mono_feature_disable_reflection_emit_save='yes'
 838    mono_feature_disable_reflection_emit='yes'
 839    mono_feature_disable_appdomains='yes'
 840
 841    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 842    AOT_RUN_FLAGS="--llvmonly"
 843 else
 844    with_profile4_x_default=yes
 845    with_monodroid_default=no
 846    with_monotouch_default=no
 847    with_monotouch_watch_default=no
 848    with_monotouch_tv_default=no
 849    with_bitcode_default=no
 850    with_xammac_default=no
 851    with_mobile_static_default=no
 852    with_cooperative_gc_default=no
 853 fi
 854
 855 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 856    AC_SUBST(AOT_BUILD_FLAGS)
 857    AC_SUBST(AOT_RUN_FLAGS)
 858    # For llvmonlycheck + fullaotcheck
 859    AC_SUBST(INVARIANT_AOT_OPTIONS)
 860 fi
 861
 862 AC_SUBST(TEST_PROFILE)
 863
 864 if test "x$with_profile4_x" = "xdefault"; then
 865    with_profile4_x=$with_profile4_x_default
 866 fi
 867 if test "x$with_monodroid" = "xdefault"; then
 868    with_monodroid=$with_monodroid_default
 869 fi
 870 if test "x$with_monotouch" = "xdefault"; then
 871    with_monotouch=$with_monotouch_default
 872 fi
 873 if test "x$with_monotouch_watch" = "xdefault"; then
 874    with_monotouch_watch=$with_monotouch_watch_default
 875 fi
 876 if test "x$with_monotouch_tv" = "xdefault"; then
 877    with_monotouch_tv=$with_monotouch_tv_default
 878 fi
 879 if test "x$with_bitcode" = "xdefault"; then
 880    with_bitcode=$with_bitcode_default
 881 fi
 882 if test "x$with_xammac" = "xdefault"; then
 883    with_xammac=$with_xammac_default
 884 fi
 885 if test "x$with_mobile_static" = "xdefault"; then
 886    with_mobile_static=$with_mobile_static_default
 887 fi
 888
 889 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 890 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 891 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 892 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 893 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 894 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 895 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 896 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 897
 898 AC_SUBST(INSTALL_MOBILE_STATIC)
 899
 900 default_profile=net_4_x
 901 if test -z "$INSTALL_MONODROID_TRUE"; then :
 902    default_profile=monodroid
 903 fi
 904 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 905    default_profile=monotouch
 906 fi
 907 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 908    default_profile=xammac
 909 fi
 910 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 911    default_profile=mobile_static
 912 fi
 913 if test -z "$INSTALL_4_x_TRUE"; then :
 914    default_profile=net_4_x
 915 fi
 916 DEFAULT_PROFILE=$default_profile
 917 AC_SUBST(DEFAULT_PROFILE)
 918
 919 #
 920 # End build profile configuration
 921 #
 922
 923 if test x$USE_NLS = xprofile_default; then
 924
 925 if test x$host_darwin = xyes; then
 926 # We make the default value for USE_NLS
 927 # "no" on OSX because it isn't available on most
 928 # default OSX installs. The most common configurations will
 929 # all disable it, so this saves us typing.
 930   USE_NLS=no
 931   AC_SUBST([USE_NLS])
 932   AC_MSG_RESULT([$USE_NLS])
 933 else
 934   USE_NLS=yes
 935   AC_SUBST([USE_NLS])
 936   AC_MSG_RESULT([$USE_NLS])
 937 fi
 938
 939 fi
 940
 941 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 942      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 943      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 944          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 945 [
 946         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 947                 eval "mono_feature_disable_$feature='yes'"
 948         done
 949         DISABLED_FEATURES=$enable_minimal
 950         disabled="Disabled:      $enable_minimal"
 951 ],[])
 952
 953 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 954
 955 if test "x$mono_feature_disable_aot" = "xyes"; then
 956         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 957         enable_system_aot=no
 958         AC_MSG_NOTICE([Disabled AOT compiler])
 959 fi
 960
 961 if test "x$mono_feature_disable_profiler" = "xyes"; then
 962         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 963         AC_MSG_NOTICE([Disabled support for the profiler])
 964 fi
 965 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 966
 967 if test "x$mono_feature_disable_decimal" = "xyes"; then
 968         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 969         AC_MSG_NOTICE([Disabled support for decimal])
 970 fi
 971
 972 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 973         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 974         AC_MSG_NOTICE([Disabled support for P/Invoke])
 975 fi
 976
 977 if test "x$mono_feature_disable_debug" = "xyes"; then
 978         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 979         AC_MSG_NOTICE([Disabled support for runtime debugging])
 980 fi
 981
 982 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 983         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 984         mono_feature_disable_reflection_emit_save=yes
 985         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 986 fi
 987
 988 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 989         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 990         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 991 fi
 992
 993 if test "x$mono_feature_disable_large_code" = "xyes"; then
 994         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 995         AC_MSG_NOTICE([Disabled support for large assemblies])
 996 fi
 997
 998 if test "x$mono_feature_disable_logging" = "xyes"; then
 999         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1000         AC_MSG_NOTICE([Disabled support for logging])
1001 fi
1002
1003 if test "x$mono_feature_disable_com" = "xyes"; then
1004         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1005         AC_MSG_NOTICE([Disabled COM support])
1006 fi
1007
1008 if test "x$mono_feature_disable_ssa" = "xyes"; then
1009         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1010         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1011 fi
1012
1013 if test "x$mono_feature_disable_generics" = "xyes"; then
1014         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1015         AC_MSG_NOTICE([Disabled Generics Support])
1016 fi
1017
1018 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1019         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1020         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1021 fi
1022
1023 if test "x$mono_feature_disable_portability" = "xyes"; then
1024         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1025         AC_MSG_NOTICE([Disabled IO Portability layer])
1026 fi
1027
1028 if test "x$mono_feature_disable_attach" = "xyes"; then
1029         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1030         AC_MSG_NOTICE([Disabled agent attach])
1031 fi
1032
1033 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1034         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1035         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1036 fi
1037
1038 if test "x$mono_feature_disable_verifier" = "xyes"; then
1039         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1040         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1041 fi
1042
1043 if test "x$mono_feature_disable_jit" = "xyes"; then
1044         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1045         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1046 fi
1047
1048 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1049
1050 if test "x$mono_feature_disable_simd" = "xyes"; then
1051         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1052         AC_MSG_NOTICE([Disabled SIMD support])
1053 fi
1054
1055 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1056         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1057         AC_MSG_NOTICE([Disabled Soft Debugger.])
1058 fi
1059
1060 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1061         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1062         AC_MSG_NOTICE([Disabled Performance Counters.])
1063 fi
1064 if test "x$mono_feature_disable_normalization" = "xyes"; then
1065         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1066         AC_MSG_NOTICE([Disabled String normalization support.])
1067 fi
1068
1069 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1070         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1071         AC_MSG_NOTICE([Disabled Assembly remapping.])
1072 fi
1073
1074 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1075         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1076         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1077 fi
1078
1079 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1080         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1081         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1082 fi
1083
1084 if test "x$mono_feature_disable_remoting" = "xyes"; then
1085         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1086         AC_MSG_NOTICE([Disabled remoting])
1087 fi
1088
1089 if test "x$mono_feature_disable_security" = "xyes"; then
1090         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1091         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1092 fi
1093
1094 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1095         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1096         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1097 fi
1098
1099 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1100         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1101         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1102 fi
1103
1104 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1105         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1106         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1107 fi
1108
1109 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1110         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1111         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1112 fi
1113
1114 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1115         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1116         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1117 fi
1118
1119 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1120 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1121
1122 has_extension_module=no
1123 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1124 [
1125         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1126                 if test x$extension = xdefault ; then
1127                         has_extension_module=yes;
1128                 fi
1129         done
1130         if test x$enable_extension_module = xyes; then
1131                 has_extension_module=yes;
1132         fi
1133 ], [])
1134
1135 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1136
1137 if test x$has_extension_module != xno ; then
1138         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1139         AC_MSG_NOTICE([Enabling mono extension module.])
1140 fi
1141
1142 # Deprecated
1143 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1144
1145 AC_MSG_CHECKING(for visibility __attribute__)
1146 AC_COMPILE_IFELSE([
1147         AC_LANG_SOURCE([[
1148                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1149                 int main () { doit (); return 0; }
1150         ]])
1151 ], [
1152    have_visibility_hidden=yes
1153    AC_MSG_RESULT(yes)
1154 ], [
1155    have_visibility_hidden=no
1156    AC_MSG_RESULT(no)
1157 ])
1158
1159 AC_MSG_CHECKING(for deprecated __attribute__)
1160 AC_TRY_COMPILE([
1161      int doit (void) __attribute__ ((deprecated));
1162      int doit (void) { return 0; }
1163 ], [
1164         return 0;
1165 ], [
1166    have_deprecated=yes
1167    AC_MSG_RESULT(yes)
1168 ], [
1169    have_deprecated=no
1170    AC_MSG_RESULT(no)
1171 ])
1172
1173 dnl
1174 dnl Boehm GC configuration
1175 dnl
1176
1177 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1178
1179 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1180 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1181
1182 if test "x$support_boehm" = "xyes"; then
1183
1184         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1185         if test x$enable_parallel_mark = xyes; then
1186                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1187         fi
1188
1189         gc_msg=""
1190         LIBGC_CPPFLAGS=
1191         LIBGC_LIBS=
1192         LIBGC_STATIC_LIBS=
1193         libgc_dir=
1194         case "x$libgc" in
1195                 xincluded)
1196                         if test "x$support_boehm" = "xyes"; then
1197                                 libgc_dir=libgc
1198                         fi
1199
1200                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1201                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1202                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1203
1204                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1205
1206                         if test x$target_win32 = xyes; then
1207                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1208                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1209                         fi
1210
1211                         gc_msg="Included Boehm GC with typed GC"
1212                         if test x$enable_parallel_mark = xyes; then
1213                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1214                                 gc_msg="$gc_msg and parallel mark"
1215                         else
1216                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1217                         fi
1218                         ;;
1219
1220                 xboehm|xbohem|xyes)
1221                         AC_MSG_WARN("External Boehm is no longer supported")
1222                         ;;
1223
1224                 xsgen)
1225                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1226                         ;;
1227
1228                 xnone)
1229                         AC_MSG_WARN("Compiling mono without GC.")
1230                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1231                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1232                         gc_msg="none"
1233                         ;;
1234                 *)
1235                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1236                         ;;
1237         esac
1238
1239         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1240         if test "x$large_heap" = "xyes"; then
1241            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1242         fi
1243
1244         AC_SUBST(LIBGC_CPPFLAGS)
1245         AC_SUBST(LIBGC_LIBS)
1246         AC_SUBST(LIBGC_STATIC_LIBS)
1247         AC_SUBST(libgc_dir)
1248         AC_SUBST(BOEHM_DEFINES)
1249
1250 fi
1251
1252 dnl
1253 dnl End of Boehm GC Configuration
1254 dnl
1255
1256 dnl *************************************
1257 dnl *** Checks for zero length arrays ***
1258 dnl *************************************
1259 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1260 AC_TRY_COMPILE([
1261         struct s {
1262                 int  length;
1263                 char data [0];
1264         };
1265 ], [], [
1266         AC_MSG_RESULT(yes)
1267         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1268 ], [
1269         AC_MSG_RESULT(no)
1270         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1271 ])
1272
1273 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1274
1275 dnl ***********************************
1276 dnl *** Checks for signals
1277 dnl ***********************************
1278 AC_CHECK_HEADERS(signal.h)
1279 AC_CHECK_FUNCS(sigaction)
1280 AC_CHECK_FUNCS(kill)
1281 AC_CHECK_FUNCS(signal)
1282
1283 # signal() is declared inline in Android headers
1284 # so we need to workaround it by overriding the check.
1285 if test x$platform_android = xyes; then
1286         AC_DEFINE(HAVE_SIGNAL,1)
1287 fi
1288
1289 if test x$host_win32 = xno; then
1290
1291         dnl hires monotonic clock support
1292         AC_SEARCH_LIBS(clock_gettime, rt)
1293         AC_CHECK_FUNCS(clock_nanosleep)
1294
1295         dnl dynamic loader support
1296         AC_CHECK_FUNC(dlopen, DL_LIB="",
1297                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1298         )
1299         if test x$dl_support = xno; then
1300                 AC_MSG_WARN([No dynamic loading support available])
1301         else
1302                 LIBS="$LIBS $DL_LIB"
1303                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1304                 dnl from glib's configure.ac
1305                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1306                         mono_cv_uscore,[
1307                         AC_TRY_RUN([#include <dlfcn.h>
1308                         int mono_underscore_test (void) { return 42; }
1309                         int main() {
1310                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1311                           handle = dlopen ((void*)0, 0);
1312                           if (handle) {
1313                             f1 = dlsym (handle, "mono_underscore_test");
1314                             f2 = dlsym (handle, "_mono_underscore_test");
1315                           } return (!f2 || f1);
1316                         }],
1317                                 [mono_cv_uscore=yes],
1318                                 [mono_cv_uscore=no],
1319                         [])
1320                 ])
1321                 if test "x$mono_cv_uscore" = "xyes"; then
1322                         MONO_DL_NEED_USCORE=1
1323                 else
1324                         MONO_DL_NEED_USCORE=0
1325                 fi
1326                 AC_SUBST(MONO_DL_NEED_USCORE)
1327                 AC_CHECK_FUNC(dlerror)
1328         fi
1329
1330         dnl ******************************************************************
1331         dnl *** Checks for the IKVM JNI interface library                  ***
1332         dnl ******************************************************************
1333         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])
1334
1335         ikvm_native_dir=
1336         if test x$with_ikvm_native = xyes; then
1337                 ikvm_native_dir=ikvm-native
1338                 jdk_headers_found="IKVM Native"
1339         fi
1340
1341         AC_SUBST(ikvm_native_dir)
1342
1343         AC_CHECK_HEADERS(execinfo.h)
1344
1345         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1346
1347         AC_CHECK_FUNCS(getgrgid_r)
1348         AC_CHECK_FUNCS(getgrnam_r)
1349         AC_CHECK_FUNCS(getpwnam_r)
1350         AC_CHECK_FUNCS(getpwuid_r)
1351         AC_CHECK_FUNCS(getresuid)
1352         AC_CHECK_FUNCS(setresuid)
1353         AC_CHECK_FUNCS(kqueue)
1354         AC_CHECK_FUNCS(backtrace_symbols)
1355         AC_CHECK_FUNCS(mkstemp)
1356         AC_CHECK_FUNCS(mmap)
1357         AC_CHECK_FUNCS(madvise)
1358         AC_CHECK_FUNCS(getrusage)
1359         AC_CHECK_FUNCS(getpriority)
1360         AC_CHECK_FUNCS(setpriority)
1361         AC_CHECK_FUNCS(dl_iterate_phdr)
1362         AC_CHECK_FUNCS(dladdr)
1363         AC_CHECK_FUNCS(sysconf)
1364         AC_CHECK_FUNCS(getrlimit)
1365         AC_CHECK_FUNCS(prctl)
1366
1367         AC_CHECK_FUNCS(sched_getaffinity)
1368         AC_CHECK_FUNCS(sched_setaffinity)
1369         AC_CHECK_FUNCS(sched_getcpu)
1370
1371         dnl ****************************************************************
1372         dnl *** Check for sched_setaffinity from glibc versions before   ***
1373         dnl *** 2.3.4. The older versions of the function only take 2    ***
1374         dnl *** parameters, not 3.                                       ***
1375         dnl ***                                                          ***
1376         dnl *** Because the interface change was not made in a minor     ***
1377         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1378         dnl *** won't always indicate the interface sched_affinity has.  ***
1379         dnl ****************************************************************
1380         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1381         AC_TRY_COMPILE([#include <sched.h>], [
1382             int mask = 1;
1383             sched_setaffinity(0, &mask);
1384                         return 0;
1385         ], [
1386                 # Yes, we have it...
1387                 AC_MSG_RESULT(yes)
1388                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1389         ], [
1390                 # We have the new, three-parameter version
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394
1395         dnl ******************************************************************
1396         dnl *** Check for large file support                               ***
1397         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1398         dnl ******************************************************************
1399
1400         # Check that off_t can represent 2**63 - 1 correctly, working around
1401         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1402         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1403         large_offt=no
1404         AC_DEFUN([LARGE_FILES], [
1405                 large_CPPFLAGS=$CPPFLAGS
1406                 CPPFLAGS="$CPPFLAGS $1"
1407                 AC_TRY_COMPILE([
1408                         #include <sys/types.h>
1409                         #include <limits.h>
1410                 ], [
1411                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1412                         #define COMPILE_TIME_ASSERT(pred) \
1413                                 switch(0){case 0:case pred:;}
1414                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1415                 ], [
1416                         AC_MSG_RESULT(ok)
1417                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1418                         large_CPPFLAGS="$large_CPPFLAGS $1"
1419                         large_offt=yes
1420                 ], [
1421                         AC_MSG_RESULT(no)
1422                 ])
1423                 CPPFLAGS=$large_CPPFLAGS
1424         ])
1425
1426         AC_MSG_CHECKING(if off_t is 64 bits wide)
1427         LARGE_FILES("")
1428         if test $large_offt = no; then
1429                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1430                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1431         fi
1432         if test $large_offt = no; then
1433                 AC_MSG_WARN([No 64 bit file size support available])
1434         fi
1435
1436         dnl *****************************
1437         dnl *** Checks for libsocket  ***
1438         dnl *****************************
1439         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1440
1441         case "$host" in
1442                 *-*-*freebsd*)
1443                         dnl *****************************
1444                         dnl *** Checks for libinotify ***
1445                         dnl *****************************
1446                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1447         esac
1448
1449         dnl *******************************
1450         dnl *** Checks for MSG_NOSIGNAL ***
1451         dnl *******************************
1452         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1453         AC_TRY_COMPILE([#include <sys/socket.h>], [
1454                 int f = MSG_NOSIGNAL;
1455         ], [
1456                 # Yes, we have it...
1457                 AC_MSG_RESULT(yes)
1458                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1459         ], [
1460                 # We'll have to use signals
1461                 AC_MSG_RESULT(no)
1462         ])
1463
1464         dnl *****************************
1465         dnl *** Checks for IPPROTO_IP ***
1466         dnl *****************************
1467         AC_MSG_CHECKING(for IPPROTO_IP)
1468         AC_TRY_COMPILE([#include <netinet/in.h>], [
1469                 int level = IPPROTO_IP;
1470         ], [
1471                 # Yes, we have it...
1472                 AC_MSG_RESULT(yes)
1473                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1474         ], [
1475                 # We'll have to use getprotobyname
1476                 AC_MSG_RESULT(no)
1477         ])
1478
1479         dnl *******************************
1480         dnl *** Checks for IPPROTO_IPV6 ***
1481         dnl *******************************
1482         AC_MSG_CHECKING(for IPPROTO_IPV6)
1483         AC_TRY_COMPILE([#include <netinet/in.h>], [
1484                 int level = IPPROTO_IPV6;
1485         ], [
1486                 # Yes, we have it...
1487                 AC_MSG_RESULT(yes)
1488                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1489         ], [
1490                 # We'll have to use getprotobyname
1491                 AC_MSG_RESULT(no)
1492         ])
1493
1494         dnl ******************************
1495         dnl *** Checks for IPPROTO_TCP ***
1496         dnl ******************************
1497         AC_MSG_CHECKING(for IPPROTO_TCP)
1498         AC_TRY_COMPILE([#include <netinet/in.h>], [
1499                 int level = IPPROTO_TCP;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1504         ], [
1505                 # We'll have to use getprotobyname
1506                 AC_MSG_RESULT(no)
1507         ])
1508
1509         dnl *****************************
1510         dnl *** Checks for SOL_IP     ***
1511         dnl *****************************
1512         AC_MSG_CHECKING(for SOL_IP)
1513         AC_TRY_COMPILE([#include <netdb.h>], [
1514                 int level = SOL_IP;
1515         ], [
1516                 # Yes, we have it...
1517                 AC_MSG_RESULT(yes)
1518                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1519         ], [
1520                 # We'll have to use getprotobyname
1521                 AC_MSG_RESULT(no)
1522         ])
1523
1524         dnl *****************************
1525         dnl *** Checks for SOL_IPV6     ***
1526         dnl *****************************
1527         AC_MSG_CHECKING(for SOL_IPV6)
1528         AC_TRY_COMPILE([#include <netdb.h>], [
1529                 int level = SOL_IPV6;
1530         ], [
1531                 # Yes, we have it...
1532                 AC_MSG_RESULT(yes)
1533                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1534         ], [
1535                 # We'll have to use getprotobyname
1536                 AC_MSG_RESULT(no)
1537         ])
1538
1539         dnl *****************************
1540         dnl *** Checks for SOL_TCP    ***
1541         dnl *****************************
1542         AC_MSG_CHECKING(for SOL_TCP)
1543         AC_TRY_COMPILE([#include <netdb.h>], [
1544                 int level = SOL_TCP;
1545         ], [
1546                 # Yes, we have it...
1547                 AC_MSG_RESULT(yes)
1548                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1549         ], [
1550                 # We'll have to use getprotobyname
1551                 AC_MSG_RESULT(no)
1552         ])
1553
1554         dnl *****************************
1555         dnl *** Checks for IP_PKTINFO ***
1556         dnl *****************************
1557         AC_MSG_CHECKING(for IP_PKTINFO)
1558         AC_TRY_COMPILE([#include <linux/in.h>], [
1559                 int level = IP_PKTINFO;
1560         ], [
1561                 # Yes, we have it...
1562                 AC_MSG_RESULT(yes)
1563                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1564         ], [
1565                 AC_MSG_RESULT(no)
1566         ])
1567
1568         dnl *****************************
1569         dnl *** Checks for IPV6_PKTINFO ***
1570         dnl *****************************
1571         AC_MSG_CHECKING(for IPV6_PKTINFO)
1572         AC_TRY_COMPILE([#include <netdb.h>], [
1573                 int level = IPV6_PKTINFO;
1574         ], [
1575                 # Yes, we have it...
1576                 AC_MSG_RESULT(yes)
1577                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1578         ], [
1579                 AC_MSG_RESULT(no)
1580         ])
1581
1582         dnl **********************************
1583         dnl *** Checks for IP_DONTFRAG     ***
1584         dnl **********************************
1585         AC_MSG_CHECKING(for IP_DONTFRAG)
1586         AC_TRY_COMPILE([#include <netinet/in.h>], [
1587                 int level = IP_DONTFRAG;
1588         ], [
1589                 # Yes, we have it...
1590                 AC_MSG_RESULT(yes)
1591                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1592         ], [
1593                 AC_MSG_RESULT(no)
1594         ])
1595
1596         dnl **********************************
1597         dnl *** Checks for IP_DONTFRAGMENT ***
1598         dnl **********************************
1599         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1600         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1601                 int level = IP_DONTFRAGMENT;
1602         ], [
1603                 # Yes, we have it...
1604                 AC_MSG_RESULT(yes)
1605                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1606         ], [
1607                 AC_MSG_RESULT(no)
1608         ])
1609
1610         dnl **********************************
1611         dnl *** Checks for IP_MTU_DISCOVER ***
1612         dnl **********************************
1613         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1614         AC_TRY_COMPILE([#include <linux/in.h>], [
1615                 int level = IP_MTU_DISCOVER;
1616         ], [
1617                 # Yes, we have it...
1618                 AC_MSG_RESULT(yes)
1619                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1620         ], [
1621                 AC_MSG_RESULT(no)
1622         ])
1623
1624         dnl **********************************
1625         dnl *** Checks for  IP_PMTUDISC_DO ***
1626         dnl **********************************
1627         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1628         AC_TRY_COMPILE([#include <linux/in.h>], [
1629                 int level = IP_PMTUDISC_DO;
1630         ], [
1631                 # Yes, we have it...
1632                 AC_MSG_RESULT(yes)
1633                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1634         ], [
1635                 AC_MSG_RESULT(no)
1636         ])
1637
1638         dnl *********************************
1639         dnl *** Check for struct ip_mreqn ***
1640         dnl *********************************
1641         AC_MSG_CHECKING(for struct ip_mreqn)
1642         AC_TRY_COMPILE([#include <netinet/in.h>], [
1643                 struct ip_mreqn mreq;
1644                 mreq.imr_address.s_addr = 0;
1645         ], [
1646                 # Yes, we have it...
1647                 AC_MSG_RESULT(yes)
1648                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1649         ], [
1650                 # We'll just have to try and use struct ip_mreq
1651                 AC_MSG_RESULT(no)
1652                 AC_MSG_CHECKING(for struct ip_mreq)
1653                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1654                         struct ip_mreq mreq;
1655                         mreq.imr_interface.s_addr = 0;
1656                 ], [
1657                         # Yes, we have it...
1658                         AC_MSG_RESULT(yes)
1659                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1660                 ], [
1661                         # No multicast support
1662                         AC_MSG_RESULT(no)
1663                 ])
1664         ])
1665
1666         dnl **********************************
1667         dnl *** Check for getaddrinfo ***
1668         dnl **********************************
1669         AC_MSG_CHECKING(for getaddrinfo)
1670                 AC_TRY_LINK([
1671                 #include <stdio.h>
1672                 #include <netdb.h>
1673         ], [
1674                 getaddrinfo(NULL,NULL,NULL,NULL);
1675         ], [
1676                 # Yes, we have it...
1677                 AC_MSG_RESULT(yes)
1678                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1679         ], [
1680                 AC_MSG_RESULT(no)
1681         ])
1682
1683         dnl **********************************
1684         dnl *** Check for gethostbyname2_r ***
1685         dnl **********************************
1686         AC_MSG_CHECKING(for gethostbyname2_r)
1687                 AC_TRY_LINK([
1688                 #include <stdio.h>
1689                 #include <netdb.h>
1690         ], [
1691
1692                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1693         ], [
1694                 # Yes, we have it...
1695                 AC_MSG_RESULT(yes)
1696                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1697         ], [
1698                 AC_MSG_RESULT(no)
1699         ])
1700
1701         dnl **********************************
1702         dnl *** Check for gethostbyname2 ***
1703         dnl **********************************
1704         AC_MSG_CHECKING(for gethostbyname2)
1705                 AC_TRY_LINK([
1706                 #include <stdio.h>
1707                 #include <netdb.h>
1708         ], [
1709                 gethostbyname2(NULL,0);
1710         ], [
1711                 # Yes, we have it...
1712                 AC_MSG_RESULT(yes)
1713                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1714         ], [
1715                 AC_MSG_RESULT(no)
1716         ])
1717
1718         dnl **********************************
1719         dnl *** Check for gethostbyname ***
1720         dnl **********************************
1721         AC_MSG_CHECKING(for gethostbyname)
1722                 AC_TRY_LINK([
1723                 #include <stdio.h>
1724                 #include <netdb.h>
1725         ], [
1726                 gethostbyname(NULL);
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl **********************************
1736         dnl *** Check for getprotobyname ***
1737         dnl **********************************
1738         AC_MSG_CHECKING(for getprotobyname)
1739                 AC_TRY_LINK([
1740                 #include <stdio.h>
1741                 #include <netdb.h>
1742         ], [
1743                 getprotobyname(NULL);
1744         ], [
1745                 # Yes, we have it...
1746                 AC_MSG_RESULT(yes)
1747                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1748         ], [
1749                 AC_MSG_RESULT(no)
1750         ])
1751
1752         dnl **********************************
1753         dnl *** Check for getnameinfo ***
1754         dnl **********************************
1755         AC_MSG_CHECKING(for getnameinfo)
1756                 AC_TRY_LINK([
1757                 #include <stdio.h>
1758                 #include <netdb.h>
1759         ], [
1760                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1761         ], [
1762                 # Yes, we have it...
1763                 AC_MSG_RESULT(yes)
1764                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1765         ], [
1766                 AC_MSG_RESULT(no)
1767         ])
1768
1769
1770         dnl **********************************
1771         dnl *** Check for inet_ntop ***
1772         dnl **********************************
1773         AC_MSG_CHECKING(for inet_ntop)
1774                 AC_TRY_LINK([
1775                 #include <stdio.h>
1776                 #include <arpa/inet.h>
1777         ], [
1778                 inet_ntop (0, NULL, NULL, 0);
1779         ], [
1780                 # Yes, we have it...
1781                 AC_MSG_RESULT(yes)
1782                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1783         ], [
1784                 AC_MSG_RESULT(no)
1785         ])
1786
1787         dnl *****************************
1788         dnl *** Checks for libnsl     ***
1789         dnl *****************************
1790         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1791
1792         AC_CHECK_FUNCS(inet_pton inet_aton)
1793
1794         dnl *****************************
1795         dnl *** Checks for libxnet    ***
1796         dnl *****************************
1797         case "${host}" in
1798                 *solaris* )
1799                         AC_MSG_CHECKING(for Solaris XPG4 support)
1800                         if test -f /usr/lib/libxnet.so; then
1801                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1802                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1803                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1804                                 LIBS="$LIBS -lxnet"
1805                                 AC_MSG_RESULT(yes)
1806                         else
1807                                 AC_MSG_RESULT(no)
1808                         fi
1809
1810                         if test "$GCC" = "yes"; then
1811                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1812                         fi
1813                 ;;
1814         esac
1815
1816         dnl *****************************
1817         dnl *** Checks for libpthread ***
1818         dnl *****************************
1819 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1820 # and libpthread does not exist
1821 #
1822         case "${host}" in
1823                 *-*-*freebsd*)
1824                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1825                 ;;
1826                 *-*-*openbsd*)
1827                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1828                 ;;
1829                 *)
1830                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1831                 ;;
1832         esac
1833         AC_CHECK_HEADERS(pthread.h)
1834         AC_CHECK_HEADERS(pthread_np.h)
1835         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1836         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1837         AC_CHECK_FUNCS(pthread_kill)
1838         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1839         AC_TRY_COMPILE([ #include <pthread.h>], [
1840                 pthread_mutexattr_t attr;
1841                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1842         ], [
1843                 AC_MSG_RESULT(ok)
1844         ], [
1845                 AC_MSG_RESULT(no)
1846                 AC_ERROR(Posix system lacks support for recursive mutexes)
1847         ])
1848         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1849         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1850         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1851
1852         dnl **********************************
1853         dnl *** Check for mincore ***
1854         dnl **********************************
1855         AC_MSG_CHECKING(for mincore)
1856                 AC_TRY_LINK([
1857                 #include <stdio.h>
1858                 #include <sys/types.h>
1859                 #include <sys/mman.h>
1860         ], [
1861                 mincore(NULL, 0, NULL);
1862         ], [
1863                 # Yes, we have it...
1864                 AC_MSG_RESULT(yes)
1865                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1866         ], [
1867                 AC_MSG_RESULT(no)
1868         ])
1869
1870         dnl ***********************************
1871         dnl *** Checks for working __thread ***
1872         dnl ***********************************
1873         AC_MSG_CHECKING(for working __thread)
1874         if test "x$with_tls" != "x__thread"; then
1875                 AC_MSG_RESULT(disabled)
1876         elif test "x$cross_compiling" = "xyes"; then
1877                 AC_MSG_RESULT(cross compiling, assuming yes)
1878         else
1879                 AC_TRY_RUN([
1880                         #if defined(__APPLE__) && defined(__clang__)
1881                         #error "__thread does not currently work with clang on Mac OS X"
1882                         #endif
1883
1884                         #include <pthread.h>
1885                         __thread int i;
1886                         static int res1, res2;
1887
1888                         void thread_main (void *arg)
1889                         {
1890                                 i = arg;
1891                                 sleep (1);
1892                                 if (arg == 1)
1893                                         res1 = (i == arg);
1894                                 else
1895                                         res2 = (i == arg);
1896                         }
1897
1898                         int main () {
1899                                 pthread_t t1, t2;
1900
1901                                 i = 5;
1902
1903                                 pthread_create (&t1, NULL, thread_main, 1);
1904                                 pthread_create (&t2, NULL, thread_main, 2);
1905
1906                                 pthread_join (t1, NULL);
1907                                 pthread_join (t2, NULL);
1908
1909                                 return !(res1 + res2 == 2);
1910                         }
1911                 ], [
1912                                 AC_MSG_RESULT(yes)
1913                 ], [
1914                                 AC_MSG_RESULT(no)
1915                                 with_tls=pthread
1916                 ])
1917         fi
1918
1919         dnl **************************************
1920         dnl *** Checks for working sigaltstack ***
1921         dnl **************************************
1922         AC_MSG_CHECKING(for working sigaltstack)
1923         if test "x$with_sigaltstack" != "xyes"; then
1924                 AC_MSG_RESULT(disabled)
1925         elif test "x$cross_compiling" = "xyes"; then
1926                 AC_MSG_RESULT(cross compiling, assuming yes)
1927         else
1928                 AC_TRY_RUN([
1929                         #include <stdio.h>
1930                         #include <stdlib.h>
1931                         #include <unistd.h>
1932                         #include <signal.h>
1933                         #include <pthread.h>
1934                         #include <sys/wait.h>
1935                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1936                         #define SA_STACK SA_ONSTACK
1937                         #endif
1938                         static void
1939                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1940                         {
1941                                 exit (0);
1942                         }
1943
1944                         volatile char*__ptr = NULL;
1945                         static void *
1946                         loop (void *ignored)
1947                         {
1948                                 *__ptr = 0;
1949                                 return NULL;
1950                         }
1951
1952                         static void
1953                         child ()
1954                         {
1955                                 struct sigaction sa;
1956                         #ifdef __APPLE__
1957                                 stack_t sas;
1958                         #else
1959                                 struct sigaltstack sas;
1960                         #endif
1961                                 pthread_t id;
1962                                 pthread_attr_t attr;
1963
1964                                 sa.sa_sigaction = sigsegv_signal_handler;
1965                                 sigemptyset (&sa.sa_mask);
1966                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1967                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1968                                         perror ("sigaction");
1969                                         return;
1970                                 }
1971
1972                                 /* x86 darwin deliver segfaults using SIGBUS */
1973                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1974                                         perror ("sigaction");
1975                                         return;
1976                                 }
1977                                 sas.ss_sp = malloc (SIGSTKSZ);
1978                                 sas.ss_size = SIGSTKSZ;
1979                                 sas.ss_flags = 0;
1980                                 if (sigaltstack (&sas, NULL) == -1) {
1981                                         perror ("sigaltstack");
1982                                         return;
1983                                 }
1984
1985                                 pthread_attr_init (&attr);
1986                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1987                                         printf ("pthread_create\n");
1988                                         return;
1989                                 }
1990
1991                                 sleep (100);
1992                         }
1993
1994                         int
1995                         main ()
1996                         {
1997                                 pid_t son;
1998                                 int status;
1999                                 int i;
2000
2001                                 son = fork ();
2002                                 if (son == -1) {
2003                                         return 1;
2004                                 }
2005
2006                                 if (son == 0) {
2007                                         child ();
2008                                         return 0;
2009                                 }
2010
2011                                 for (i = 0; i < 300; ++i) {
2012                                         waitpid (son, &status, WNOHANG);
2013                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2014                                                 return 0;
2015                                         usleep (10000);
2016                                 }
2017
2018                                 kill (son, SIGKILL);
2019                                 return 1;
2020                         }
2021
2022                 ], [
2023                                 AC_MSG_RESULT(yes)
2024                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2025                 ], [
2026                                 with_sigaltstack=no
2027                                 AC_MSG_RESULT(no)
2028                 ])
2029         fi
2030
2031         dnl ********************************
2032         dnl *** Checks for semaphore lib ***
2033         dnl ********************************
2034         # 'Real Time' functions on Solaris
2035         # posix4 on Solaris 2.6
2036         # pthread (first!) on Linux
2037         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2038
2039         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2040         AC_CHECK_FUNCS(shm_open)
2041
2042         dnl ********************************
2043         dnl *** Checks for timezone stuff **
2044         dnl ********************************
2045         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2046                 AC_TRY_COMPILE([
2047                         #include <time.h>
2048                         ], [
2049                         struct tm tm;
2050                         tm.tm_gmtoff = 1;
2051                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2052         if test $ac_cv_struct_tm_gmtoff = yes; then
2053                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2054         else
2055                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2056                         AC_TRY_COMPILE([
2057                                 #include <time.h>
2058                         ], [
2059                                 timezone = 1;
2060                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2061                 if test $ac_cv_var_timezone = yes; then
2062                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2063                 else
2064                         AC_ERROR(unable to find a way to determine timezone)
2065                 fi
2066         fi
2067
2068         dnl *********************************
2069         dnl *** Checks for math functions ***
2070         dnl *********************************
2071         AC_SEARCH_LIBS(sqrtf, m)
2072         if test "x$has_broken_apple_cpp" != "xyes"; then
2073                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2074                         AC_TRY_LINK([#include <math.h>],
2075                         [ finite(0.0); ],
2076                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2077                         AC_MSG_RESULT(no)))
2078         fi
2079         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2080                 AC_TRY_LINK([#include <math.h>],
2081                 [ isfinite(0.0); ],
2082                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2083                 AC_MSG_RESULT(no)))
2084
2085         dnl ****************************************************************
2086         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2087         dnl *** have it in the library (duh))                            ***
2088         dnl ****************************************************************
2089         AC_CHECK_FUNCS(poll)
2090
2091         dnl *************************
2092         dnl *** Check for signbit ***
2093         dnl *************************
2094         AC_MSG_CHECKING(for signbit)
2095         AC_TRY_LINK([#include <math.h>], [
2096                 int s = signbit(1.0);
2097         ], [
2098                 AC_MSG_RESULT(yes)
2099                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2100         ], [
2101                 AC_MSG_RESULT(no)
2102         ])
2103
2104         dnl **********************************
2105         dnl *** epoll                      ***
2106         dnl **********************************
2107         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2108                 AC_CHECK_HEADERS(sys/epoll.h)
2109                 haveepoll=no
2110                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2111                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2112                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2113                 fi
2114         fi
2115
2116         havekqueue=no
2117
2118         AC_CHECK_HEADERS(sys/event.h)
2119         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2120
2121         dnl **************************************
2122         dnl * Darwin has a race that prevents us from using reliably:
2123         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2124         dnl * Since kqueue is mostly used for scaling large web servers,
2125         dnl * and very few folks run Mono on large web servers on OSX, falling
2126         dnl * back
2127         dnl **************************************
2128         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2129                 if test "x$host_darwin" = "xno"; then
2130                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2131                 fi
2132         fi
2133
2134         dnl ******************************
2135         dnl *** Checks for SIOCGIFCONF ***
2136         dnl ******************************
2137         AC_CHECK_HEADERS(sys/ioctl.h)
2138         AC_CHECK_HEADERS(net/if.h, [], [],
2139            [
2140            #ifdef HAVE_SYS_TYPES_H
2141            # include <sys/types.h>
2142            #endif
2143            #ifdef HAVE_SYS_SOCKET_H
2144            # include <sys/socket.h>
2145            #endif
2146            ])
2147         AC_MSG_CHECKING(for ifreq)
2148         AC_TRY_COMPILE([
2149                 #include <stdio.h>
2150                 #include <sys/ioctl.h>
2151                 #include <net/if.h>
2152                 ], [
2153                 struct ifconf ifc;
2154                 struct ifreq *ifr;
2155                 void *x;
2156                 ifc.ifc_len = 0;
2157                 ifc.ifc_buf = NULL;
2158                 x = (void *) &ifr->ifr_addr;
2159                 ],[
2160                         AC_MSG_RESULT(yes)
2161                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2162                 ], [
2163                         AC_MSG_RESULT(no)
2164                 ])
2165         dnl **********************************
2166         dnl ***     Checks for sin_len     ***
2167         dnl **********************************
2168         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2169         AC_TRY_COMPILE([
2170                 #include <netinet/in.h>
2171                 ], [
2172                 struct sockaddr_in saddr;
2173                 saddr.sin_len = sizeof (saddr);
2174                 ],[
2175                         AC_MSG_RESULT(yes)
2176                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2177                 ], [
2178                         AC_MSG_RESULT(no)
2179                 ])
2180         dnl **********************************
2181         dnl ***    Checks for sin6_len     ***
2182         dnl **********************************
2183         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2184         AC_TRY_COMPILE([
2185                 #include <netinet/in.h>
2186                 ], [
2187                 struct sockaddr_in6 saddr6;
2188                 saddr6.sin6_len = sizeof (saddr6);
2189                 ],[
2190                         AC_MSG_RESULT(yes)
2191                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2192                 ], [
2193                         AC_MSG_RESULT(no)
2194                 ])
2195         dnl **********************************
2196         dnl *** Check for getifaddrs       ***
2197         dnl **********************************
2198         AC_MSG_CHECKING(for getifaddrs)
2199                 AC_TRY_LINK([
2200                 #include <stdio.h>
2201                 #include <sys/types.h>
2202                 #include <sys/socket.h>
2203                 #include <ifaddrs.h>
2204         ], [
2205                 getifaddrs(NULL);
2206         ], [
2207                 # Yes, we have it...
2208                 AC_MSG_RESULT(yes)
2209                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2210         ], [
2211                 AC_MSG_RESULT(no)
2212         ])
2213         dnl **********************************
2214         dnl *** Check for if_nametoindex   ***
2215         dnl **********************************
2216         AC_MSG_CHECKING(for if_nametoindex)
2217                 AC_TRY_LINK([
2218                 #include <stdio.h>
2219                 #include <sys/types.h>
2220                 #include <sys/socket.h>
2221                 #include <net/if.h>
2222         ], [
2223                 if_nametoindex(NULL);
2224         ], [
2225                 # Yes, we have it...
2226                 AC_MSG_RESULT(yes)
2227                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2228         ], [
2229                 AC_MSG_RESULT(no)
2230         ])
2231
2232         dnl **********************************
2233         dnl *** Checks for MonoPosixHelper ***
2234         dnl **********************************
2235         AC_CHECK_HEADERS(checklist.h)
2236         AC_CHECK_HEADERS(pathconf.h)
2237         AC_CHECK_HEADERS(fstab.h)
2238         AC_CHECK_HEADERS(attr/xattr.h)
2239         AC_CHECK_HEADERS(sys/extattr.h)
2240         AC_CHECK_HEADERS(sys/sendfile.h)
2241         AC_CHECK_HEADERS(sys/statvfs.h)
2242         AC_CHECK_HEADERS(sys/statfs.h)
2243         AC_CHECK_HEADERS(sys/vfstab.h)
2244         AC_CHECK_HEADERS(sys/xattr.h)
2245         AC_CHECK_HEADERS(sys/mman.h)
2246         AC_CHECK_HEADERS(sys/param.h)
2247         AC_CHECK_HEADERS(sys/mount.h, [], [],
2248                 [
2249                 #ifdef HAVE_SYS_PARAM_H
2250                 # include <sys/param.h>
2251                 #endif
2252                 ])
2253         AC_CHECK_HEADERS(sys/mount.h)
2254         AC_CHECK_FUNCS(confstr)
2255         AC_CHECK_FUNCS(seekdir telldir)
2256         AC_CHECK_FUNCS(getdomainname)
2257         AC_CHECK_FUNCS(setdomainname)
2258         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2259         AC_CHECK_FUNCS(setgroups)
2260         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2261         AC_CHECK_FUNCS(getfsstat)
2262         AC_CHECK_FUNCS(lutimes futimes)
2263         AC_CHECK_FUNCS(mremap)
2264         AC_CHECK_FUNCS(remap_file_pages)
2265         AC_CHECK_FUNCS(posix_fadvise)
2266         AC_CHECK_FUNCS(posix_fallocate)
2267         AC_CHECK_FUNCS(posix_madvise)
2268         AC_CHECK_FUNCS(vsnprintf)
2269         AC_CHECK_FUNCS(sendfile)
2270         AC_CHECK_FUNCS(gethostid sethostid)
2271         AC_CHECK_FUNCS(sethostname)
2272         AC_CHECK_FUNCS(statfs)
2273         AC_CHECK_FUNCS(fstatfs)
2274         AC_CHECK_FUNCS(statvfs)
2275         AC_CHECK_FUNCS(fstatvfs)
2276         AC_CHECK_FUNCS(stime)
2277         AC_CHECK_FUNCS(strerror_r)
2278         AC_CHECK_FUNCS(ttyname_r)
2279         AC_CHECK_FUNCS(psignal)
2280         AC_CHECK_FUNCS(getlogin_r)
2281         AC_CHECK_FUNCS(lockf)
2282         AC_CHECK_FUNCS(swab)
2283         AC_CHECK_FUNCS(setusershell endusershell)
2284         AC_CHECK_FUNCS(futimens utimensat)
2285         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2286         AC_CHECK_FUNCS(readv writev preadv pwritev)
2287         AC_CHECK_FUNCS(setpgid)
2288         AC_CHECK_FUNCS(system)
2289         AC_CHECK_FUNCS(fork execv execve)
2290         AC_CHECK_FUNCS(accept4)
2291         AC_CHECK_SIZEOF(size_t)
2292         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2293                 [#include <sys/types.h>
2294                  #include <sys/stat.h>
2295                  #include <unistd.h>])
2296         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2297                 [#include <sys/types.h>
2298                  #include <sys/stat.h>
2299                  #include <unistd.h>])
2300         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2301                 [#include <sys/time.h>])
2302         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2303                 [#include <sys/socket.h>])
2304         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2305                 [#include <unistd.h>
2306                  #include <fcntl.h>])
2307         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2308                 [#include <sys/uio.h>])
2309         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2310                 [#include <sys/socket.h>])
2311         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2312                 [#include <sys/poll.h>])
2313         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2314                 [#include <sys/socket.h>])
2315         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2316                 [#include <sys/socket.h>])
2317         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2318                 [#include <netinet/in.h>])
2319         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2320                 [#include <netinet/in.h>])
2321         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2322                 [#include <sys/un.h>])
2323         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2324                 [#include <sys/types.h>
2325                  #include <sys/stat.h>
2326                  #include <unistd.h>])
2327         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2328                 [#include <time.h>])
2329         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2330                 [#include <sys/time.h>
2331                  #include <sys/types.h>
2332                  #include <utime.h>])
2333         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2334                 [#include <sys/time.h>])
2335         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2336                 [#include <sys/types.h>
2337                  #include <utime.h>])
2338         AC_CHECK_MEMBERS(
2339                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2340                 [#include <sys/types.h>
2341                  #include <dirent.h>])
2342         AC_CHECK_MEMBERS(
2343                 [struct passwd.pw_gecos],,,
2344                 [#include <sys/types.h>
2345                  #include <pwd.h>])
2346         AC_CHECK_MEMBERS(
2347                 [struct statfs.f_flags],,,
2348                 [#include <sys/types.h>
2349                  #include <sys/vfs.h>])
2350         AC_CHECK_MEMBERS(
2351                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2352                 [#include <sys/types.h>
2353                  #include <sys/stat.h>
2354                  #include <unistd.h>])
2355
2356         dnl Favour xattr through glibc, but use libattr if we have to
2357         AC_CHECK_FUNC(lsetxattr, ,
2358                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2359         )
2360         AC_SUBST(XATTR_LIB)
2361
2362         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2363         AC_CHECK_MEMBERS(
2364                 [struct kinfo_proc.kp_proc],,,
2365                 [#include <sys/types.h>
2366                  #include <sys/param.h>
2367                  #include <sys/sysctl.h>
2368                  #include <sys/proc.h>
2369                  ])
2370
2371         dnl *********************************
2372         dnl *** Checks for Windows compilation ***
2373         dnl *********************************
2374         AC_CHECK_HEADERS(sys/time.h)
2375         AC_CHECK_HEADERS(sys/param.h)
2376         AC_CHECK_HEADERS(dirent.h)
2377
2378         dnl ******************************************
2379         dnl *** Checks for OSX and iOS compilation ***
2380         dnl ******************************************
2381         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2382
2383         dnl *********************************
2384         dnl *** Check for Console 2.0 I/O ***
2385         dnl *********************************
2386         AC_CHECK_HEADERS([curses.h])
2387         AC_CHECK_HEADERS([term.h], [], [],
2388         [#if HAVE_CURSES_H
2389          #include <curses.h>
2390          #endif
2391         ])
2392         AC_CHECK_HEADERS([termios.h])
2393 else
2394         dnl *********************************
2395         dnl *** Checks for Windows compilation ***
2396         dnl *********************************
2397         AC_CHECK_HEADERS(winternl.h)
2398
2399         jdk_headers_found=no
2400         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2401         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2402         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2403         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2404         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2405         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2406         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2407
2408         dnl *********************************
2409         dnl *** Check for struct ip_mreqn ***
2410         dnl *********************************
2411         AC_MSG_CHECKING(for struct ip_mreqn)
2412         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2413                 struct ip_mreqn mreq;
2414                 mreq.imr_address.s_addr = 0;
2415         ], [
2416                 # Yes, we have it...
2417                 AC_MSG_RESULT(yes)
2418                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2419         ], [
2420                 # We'll just have to try and use struct ip_mreq
2421                 AC_MSG_RESULT(no)
2422                 AC_MSG_CHECKING(for struct ip_mreq)
2423                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2424                         struct ip_mreq mreq;
2425                         mreq.imr_interface.s_addr = 0;
2426                 ], [
2427                         # Yes, we have it...
2428                         AC_MSG_RESULT(yes)
2429                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2430                 ], [
2431                         # No multicast support
2432                         AC_MSG_RESULT(no)
2433                 ])
2434         ])
2435
2436         dnl **********************************
2437         dnl *** Check for getaddrinfo ***
2438         dnl **********************************
2439         AC_MSG_CHECKING(for getaddrinfo)
2440                 AC_TRY_LINK([
2441                 #include <stdio.h>
2442                 #include <winsock2.h>
2443                 #include <ws2tcpip.h>
2444         ], [
2445                 getaddrinfo(NULL,NULL,NULL,NULL);
2446         ], [
2447                 # Yes, we have it...
2448                 AC_MSG_RESULT(yes)
2449                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2450         ], [
2451                 AC_MSG_RESULT(no)
2452         ])
2453
2454         dnl **********************************
2455         dnl *** Check for gethostbyname ***
2456         dnl **********************************
2457         AC_MSG_CHECKING(for gethostbyname)
2458                 AC_TRY_LINK([
2459                 #include <stdio.h>
2460                 #include <winsock2.h>
2461                 #include <ws2tcpip.h>
2462         ], [
2463                 gethostbyname(NULL);
2464         ], [
2465                 # Yes, we have it...
2466                 AC_MSG_RESULT(yes)
2467                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2468         ], [
2469                 AC_MSG_RESULT(no)
2470         ])
2471
2472         dnl **********************************
2473         dnl *** Check for getprotobyname ***
2474         dnl **********************************
2475         AC_MSG_CHECKING(for getprotobyname)
2476                 AC_TRY_LINK([
2477                 #include <stdio.h>
2478                 #include <winsock2.h>
2479                 #include <ws2tcpip.h>
2480         ], [
2481                 getprotobyname(NULL);
2482         ], [
2483                 # Yes, we have it...
2484                 AC_MSG_RESULT(yes)
2485                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2486         ], [
2487                 AC_MSG_RESULT(no)
2488         ])
2489
2490         dnl **********************************
2491         dnl *** Check for getnameinfo ***
2492         dnl **********************************
2493         AC_MSG_CHECKING(for getnameinfo)
2494                 AC_TRY_LINK([
2495                 #include <stdio.h>
2496                 #include <winsock2.h>
2497                 #include <ws2tcpip.h>
2498         ], [
2499                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2500         ], [
2501                 # Yes, we have it...
2502                 AC_MSG_RESULT(yes)
2503                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2504         ], [
2505                 AC_MSG_RESULT(no)
2506         ])
2507
2508         dnl **********************************
2509         dnl *** Check for inet_ntop ***
2510         dnl **********************************
2511         AC_MSG_CHECKING(for inet_ntop)
2512                 AC_TRY_LINK([
2513                 #include <stdio.h>
2514                 #include <winsock2.h>
2515                 #include <ws2tcpip.h>
2516         ], [
2517                 inet_ntop (0, NULL, NULL, 0);
2518         ], [
2519                 # Yes, we have it...
2520                 AC_MSG_RESULT(yes)
2521                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2522         ], [
2523                 AC_MSG_RESULT(no)
2524         ])
2525
2526         dnl **********************************
2527         dnl *** Check for inet_pton ***
2528         dnl **********************************
2529         AC_MSG_CHECKING(for inet_pton)
2530                 AC_TRY_LINK([
2531                 #include <stdio.h>
2532                 #include <winsock2.h>
2533                 #include <ws2tcpip.h>
2534         ], [
2535                 #ifndef inet_pton
2536                 (void) inet_pton;
2537                 #endif
2538                 inet_pton (0, NULL, NULL);
2539         ], [
2540                 # Yes, we have it...
2541                 AC_MSG_RESULT(yes)
2542                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2543         ], [
2544                 AC_MSG_RESULT(no)
2545         ])
2546
2547         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2548         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2549         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2550         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2551         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2552         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2553         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2554 fi
2555
2556 dnl socklen_t check
2557 AC_MSG_CHECKING(for socklen_t)
2558 AC_TRY_COMPILE([
2559 #include <sys/types.h>
2560 #include <sys/socket.h>
2561 ],[
2562   socklen_t foo;
2563 ],[
2564 ac_cv_c_socklen_t=yes
2565         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2566         AC_MSG_RESULT(yes)
2567 ],[
2568         AC_MSG_RESULT(no)
2569 ])
2570
2571 AC_MSG_CHECKING(for array element initializer support)
2572 AC_TRY_COMPILE([#include <sys/socket.h>], [
2573         const int array[] = {[1] = 2,};
2574 ], [
2575         # Yes, we have it...
2576         AC_MSG_RESULT(yes)
2577         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2578 ], [
2579         # We'll have to use signals
2580         AC_MSG_RESULT(no)
2581 ])
2582
2583 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2584         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2585         AC_TRY_LINK([#include <math.h>],
2586         [ static void *p = &trunc; ],
2587         [
2588                 AC_DEFINE(HAVE_TRUNC)
2589                 AC_MSG_RESULT(yes)
2590                 ac_cv_trunc=yes
2591         ],
2592         AC_MSG_RESULT(no)))
2593
2594 if test "x$ac_cv_truncl" != "xyes"; then
2595    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2596 fi
2597
2598 AC_CHECK_FUNCS(execvp)
2599
2600 dnl ****************************
2601 dnl *** Look for /dev/random ***
2602 dnl ****************************
2603
2604 AC_MSG_CHECKING([if usage of random device is requested])
2605 AC_ARG_ENABLE(dev-random,
2606 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2607 try_dev_random=$enableval, try_dev_random=yes)
2608
2609 AC_MSG_RESULT($try_dev_random)
2610
2611 case "{$build}" in
2612     *-openbsd*)
2613     NAME_DEV_RANDOM="/dev/srandom"
2614     ;;
2615
2616 dnl Win32 does not have /dev/random, they have their own method...
2617
2618     *-mingw*|*-*-cygwin*)
2619     ac_cv_have_dev_random=no
2620     ;;
2621
2622 dnl Everywhere else, it's /dev/random
2623
2624     *)
2625     NAME_DEV_RANDOM="/dev/random"
2626     ;;
2627 esac
2628
2629 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2630
2631 dnl Now check if the device actually exists
2632
2633 if test "x$try_dev_random" = "xyes"; then
2634     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2635     [if test -r "$NAME_DEV_RANDOM" ; then
2636         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2637     if test "x$ac_cv_have_dev_random" = "xyes"; then
2638         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2639     fi
2640 else
2641     AC_MSG_CHECKING(for random device)
2642     ac_cv_have_dev_random=no
2643     AC_MSG_RESULT(has been disabled)
2644 fi
2645
2646 if test "x$host_win32" = "xyes"; then
2647     AC_DEFINE(HAVE_CRYPT_RNG)
2648 fi
2649
2650 if test "x$ac_cv_have_dev_random" = "xno" \
2651     && test "x$host_win32" = "xno"; then
2652     AC_MSG_WARN([[
2653 ***
2654 *** A system-provided entropy source was not found on this system.
2655 *** Because of this, the System.Security.Cryptography random number generator
2656 *** will throw a NotImplemented exception.
2657 ***
2658 *** If you are seeing this message, and you know your system DOES have an
2659 *** entropy collection in place, please contact <crichton@gimp.org> and
2660 *** provide information about the system and how to access the random device.
2661 ***
2662 *** Otherwise you can install either egd or prngd and set the environment
2663 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2664 ***]])
2665 fi
2666
2667 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2668
2669 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2670 if test "x$test_perf_events" = "xyes"; then
2671         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2672         AC_SUBST(ENABLE_PERF_EVENTS)
2673 fi
2674
2675 AC_MSG_CHECKING([if big-arrays are to be enabled])
2676 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2677 if test "x$enable_big_arrays" = "xyes" ; then
2678     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2679         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2680     else
2681         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2682     fi
2683 fi
2684 AC_MSG_RESULT($enable_big_arrays)
2685
2686 dnl **************
2687 dnl *** DTRACE ***
2688 dnl **************
2689
2690 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2691
2692 if test "x$enable_dtrace" = "xyes"; then
2693    if test "x$has_dtrace" = "xno"; then
2694           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2695    fi
2696    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2697    if test "x$DTRACE" = "xno"; then
2698           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2699           enable_dtrace=no
2700    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2701           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2702           enable_dtrace=no
2703    fi
2704 fi
2705
2706 dtrace_g=no
2707 if test "x$enable_dtrace" = "xyes"; then
2708         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2709         DTRACEFLAGS=
2710         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2711                 case "$host" in
2712                         powerpc-*-darwin*)
2713                         DTRACEFLAGS="-arch ppc64"
2714                         ;;
2715                         i*86-*-darwin*)
2716                         DTRACEFLAGS="-arch x86_64"
2717                         ;;
2718                         *)
2719                         DTRACEFLAGS=-64
2720                         ;;
2721                 esac
2722         else
2723                 case "$host" in
2724                         powerpc-*-darwin*)
2725                         DTRACEFLAGS="-arch ppc"
2726                         ;;
2727                         i*86-*-darwin*)
2728                         DTRACEFLAGS="-arch i386"
2729                         ;;
2730                         *)
2731                         DTRACEFLAGS=-32
2732                         ;;
2733                 esac
2734         fi
2735         AC_SUBST(DTRACEFLAGS)
2736         case "$host" in
2737                 *-*-solaris*)
2738                 dtrace_g=yes
2739                 ;;
2740         esac
2741         AC_CHECK_HEADERS([sys/sdt.h])
2742 fi
2743 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2744 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2745
2746 dnl **************
2747 dnl ***  NaCl  ***
2748 dnl **************
2749
2750 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2751 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2752
2753 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2754
2755 dnl
2756 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2757 dnl
2758 nacl_self_host=""
2759 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2760    nacl_self_host="nacl_self_host"
2761 fi
2762 AC_SUBST(nacl_self_host)
2763
2764 if test "x$enable_nacl_codegen" = "xyes"; then
2765    MONO_NACL_ALIGN_MASK_OFF=1
2766    AC_DEFINE(TARGET_NACL, 1, [...])
2767    AC_DEFINE(__native_client_codegen__, 1, [...])
2768 fi
2769 if test "x$enable_nacl_gc" = "xyes"; then
2770    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2771       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2772    else
2773       # Not yet implemented
2774       INSTRUMENT_CFLAG=""
2775    fi
2776    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2777 fi
2778 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2779
2780 dnl **************************
2781 dnl *** AOT cross offsets  ***
2782 dnl **************************
2783
2784 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2785     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2786
2787 dnl **************
2788 dnl ***  LLVM  ***
2789 dnl **************
2790
2791 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2792 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2793 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2794 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2795
2796 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2797
2798 if test "x$enable_llvm" = "xdefault"; then
2799    enable_llvm=$enable_llvm_default
2800 fi
2801
2802 if test "x$enable_llvm" = "xyes"; then
2803    if test "x$with_llvm" != "x"; then
2804           LLVM_CONFIG=$with_llvm/bin/llvm-config
2805           if test x$host_win32 = xyes; then
2806                 LLVM_CONFIG=$LLVM_CONFIG.exe
2807           fi
2808           if test ! -x $LLVM_CONFIG; then
2809                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2810       fi
2811    else
2812       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2813       if test "x$LLVM_CONFIG" = "xno"; then
2814              AC_MSG_ERROR([llvm-config not found.])
2815       fi
2816    fi
2817
2818    llvm_codegen="x86codegen"
2819    case "$target" in
2820    arm*)
2821                 llvm_codegen="armcodegen"
2822                 ;;
2823    esac
2824
2825    if test "x$host_win32" = "xno"; then
2826
2827    # Should be something like '2.6' or '2.7svn'
2828    llvm_version=`$LLVM_CONFIG --version`
2829    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2830    AC_MSG_CHECKING(LLVM version)
2831    AC_MSG_RESULT($llvm_version $llvm_api_version)
2832    if echo $llvm_version | grep -q 'mono'; then
2833           if test "x$enable_llvm_version_check" = "xyes"; then
2834                  if test "$llvm_version" != "$expected_llvm_version"; then
2835                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2836                  fi
2837           fi
2838    else
2839           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.])
2840    fi
2841
2842    # The output of --cflags seems to include optimizations flags too
2843    if test $llvm_api_version -gt 100; then
2844           # The --cflags argument includes all kinds of warnings -pendantic etc.
2845           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2846           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2847    else
2848           LLVM_CFLAGS=`$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'`
2849       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2850    fi
2851    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2852    # from LLVM classes.
2853    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2854    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2855    # This might include empty lines
2856    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2857    llvm_jit_supported=yes
2858    llvm_jit_libs="jit mcjit $llvm_codegen"
2859    if test "x$host" != "x$target"; then
2860       # No need for jit libs
2861           llvm_jit_supported=no
2862       llvm_jit_libs=""
2863    elif test $llvm_api_version -gt 100; then
2864       llvm_jit_libs="orcjit $llvm_codegen"
2865    fi
2866    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2867    if test "x$LLVM_LIBS" = "x"; then
2868           echo "$LLVM_CONFIG --libs failed."
2869           exit 1
2870    fi
2871    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2872    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2873    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2874       LLVM_LIBS="$LLVM_LIBS -lc++"
2875    else
2876       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2877    fi
2878
2879    expected_llvm_version="3.4svn-mono-mono/e656cac"
2880
2881    else
2882        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2883        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2884        LLVM_LDFLAGS="-L$with_llvm/lib"
2885        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2886        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2887          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2888          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2889          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2890          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2891          -lLLVMAnalysis -lLLVMTarget \
2892          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2893          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2894          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2895          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2896          -lLLVMSupport -lstdc++"
2897        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2898
2899        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2900        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2901    fi
2902
2903    if test "x$llvm_api_version" = "x"; then
2904           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2905           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2906    else
2907           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2908           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2909    fi
2910
2911    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2912
2913    AC_SUBST(LLVM_CFLAGS)
2914    AC_SUBST(LLVM_CXXFLAGS)
2915    AC_SUBST(LLVM_LIBS)
2916    AC_SUBST(LLVM_LDFLAGS)
2917    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2918 fi
2919
2920 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2921 if test "x$enable_loadedllvm" = "xyes"; then
2922    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2923 fi
2924 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2925
2926 if test "x$enable_llvm" = "xyes"; then
2927    enable_llvm_runtime=yes
2928 fi
2929 if test "x$enable_llvm_runtime" = "xyes"; then
2930    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2931 fi
2932 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2933
2934 TARGET="unknown"
2935 ACCESS_UNALIGNED="yes"
2936
2937 LIBC="libc.so.6"
2938 INTL="libc.so.6"
2939 SQLITE="libsqlite.so.0"
2940 SQLITE3="libsqlite3.so.0"
2941 X11="libX11.so"
2942 GDKX11="libgdk-x11-2.0.so.0"
2943 GTKX11="libgtk-x11-2.0.so.0"
2944 XINERAMA="libXinerama.so.1"
2945
2946 sizeof_register="SIZEOF_VOID_P"
2947
2948 jit_wanted=true
2949 boehm_supported=true
2950 case "$host" in
2951         mips*)
2952                 TARGET=MIPS;
2953                 arch_target=mips;
2954                 with_tls=pthread;
2955                 ACCESS_UNALIGNED="no"
2956
2957                 AC_MSG_CHECKING(for mips n32)
2958                 AC_TRY_COMPILE([],[
2959                 #if _MIPS_SIM != _ABIN32
2960                 #error Not mips n32
2961                 #endif
2962                 return 0;
2963                 ],[
2964                 AC_MSG_RESULT(yes)
2965                 sizeof_register=8
2966                 ],[
2967                 AC_MSG_RESULT(no)
2968                 ])
2969                 ;;
2970         i*86-*-*)
2971                 TARGET=X86;
2972                 arch_target=x86;
2973                 case $host_os in
2974                   solaris*)
2975                         LIBC="libc.so"
2976                         INTL="libintl.so"
2977                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2978                                 TARGET=AMD64
2979                                 arch_target=amd64
2980                         fi
2981
2982                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2983                         # int astruct __attribute__ ((visibility ("hidden")));
2984                         # void foo ()
2985                         # {
2986                         #       void *p = &astruct;
2987                         # }
2988                         # gcc -fPIC --shared -o libfoo.so foo.c
2989                         # yields:
2990                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2991                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2992                         have_visibility_hidden=no
2993                         ;;
2994                   mingw*|cygwin*)
2995                         have_visibility_hidden=no
2996                         ;;
2997                   haiku*)
2998                         LIBC=libroot.so
2999                         ;;
3000                   linux*)
3001                         AOT_SUPPORTED="yes"
3002                         ;;
3003                   darwin*)
3004                         AOT_SUPPORTED="yes"
3005                         ;;
3006                   openbsd*|freebsd*|kfreebsd-gnu*)
3007                         ;;
3008                 esac
3009                 ;;
3010         x86_64-*-* | amd64-*-*)
3011                 TARGET=AMD64;
3012                 arch_target=amd64;
3013                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3014                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3015                         sizeof_register=8
3016                 fi
3017                 case $host_os in
3018                   linux*)
3019                         AOT_SUPPORTED="yes"
3020                         ;;
3021                   darwin*)
3022                         AOT_SUPPORTED="yes"
3023                         ;;
3024                   openbsd*|freebsd*|kfreebsd-gnu*)
3025                         ;;
3026                   mingw*)
3027                         ;;
3028                 esac
3029                 case "$host" in
3030                         x86_64-*-nacl*)
3031                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3032                                 sizeof_register=8
3033                                 ;;
3034                 esac
3035                 ;;
3036         ia64-*-*)
3037                 TARGET=IA64
3038                 arch_target=ia64
3039                 ACCESS_UNALIGNED="no"
3040                 LIBC="libc.so.6.1"
3041                 INTL="libc.so.6.1"
3042                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3043                 libmono_ldflags="-lunwind"
3044                 ;;
3045         sparc*-*-*)
3046                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3047                    TARGET=SPARC64
3048                 else
3049                         TARGET=SPARC
3050                 fi
3051                 arch_target=sparc;
3052                 ACCESS_UNALIGNED="no"
3053                 case $host_os in
3054                   linux*) ;;
3055                   *)
3056                         LIBC="libc.so"
3057                         INTL="libintl.so"
3058                 esac
3059                 if test x"$GCC" = xyes; then
3060                         # We don't support v8 cpus
3061                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3062                 fi
3063                 if test x"$AR" = xfalse; then
3064                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3065                 fi
3066                 ;;
3067         *-mingw*|*-*-cygwin*)
3068                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3069                 have_visibility_hidden=no
3070                 INTL="intl"
3071                 ;;
3072         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3073         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3074                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3075                         TARGET=POWERPC64;
3076                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3077                         CFLAGS="$CFLAGS -mminimal-toc"
3078                 else
3079                         TARGET=POWERPC;
3080                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3081                 fi
3082                 arch_target=ppc;
3083                 case $host_os in
3084                   linux*|darwin*)
3085                         ;;
3086                 esac
3087                 ;;
3088         armv7k-*-darwin*)
3089                 TARGET=ARM;
3090                 TARGET_SYS=WATCHOS
3091                 arch_target=arm;
3092                 arm_fpu=VFP_HARD
3093                 ACCESS_UNALIGNED="no"
3094                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3095                 ;;
3096
3097         arm*-darwin*)
3098                 TARGET=ARM;
3099                 arch_target=arm;
3100                 ACCESS_UNALIGNED="no"
3101                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3102                 ;;
3103         arm*-linux*)
3104                 TARGET=ARM;
3105                 arch_target=arm;
3106                 ACCESS_UNALIGNED="no"
3107                 AOT_SUPPORTED="yes"
3108                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3109                 ;;
3110         arm*-netbsd*-eabi*)
3111                 TARGET=ARM;
3112                 arch_target=arm;
3113                 ACCESS_UNALIGNED="no"
3114                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3115                 ;;
3116 # TODO: make proper support for NaCl host.
3117 #        arm*-*nacl)
3118 #               TARGET=ARM;
3119 #               arch_target=arm;
3120 #               ACCESS_UNALIGNED="no"
3121 #               AOT_SUPPORTED="no"
3122 #               ;;
3123         aarch64-*)
3124                 # https://lkml.org/lkml/2012/7/15/133
3125                 TARGET=ARM64
3126                 arch_target=arm64
3127                 boehm_supported=false
3128                 AOT_SUPPORTED="yes"
3129                 ;;
3130         s390x-*-linux*)
3131                 TARGET=S390X;
3132                 arch_target=s390x;
3133                 ACCESS_UNALIGNED="yes"
3134                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3135                 ;;
3136 esac
3137
3138 HOST=$TARGET
3139
3140 if test "x$host" != "x$target"; then
3141    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3142    enable_mcs_build=no
3143    case "$target" in
3144    arm*-darwin*)
3145                 TARGET=ARM;
3146                 arch_target=arm;
3147                 ACCESS_UNALIGNED="no"
3148                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3149                 # Can't use tls, since it depends on the runtime detection of tls offsets
3150                 # in mono-compiler.h
3151                 with_tls=pthread
3152                 case "$target" in
3153                 armv7k-*)
3154                         arm_fpu=VFP_HARD
3155                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3156                         ;;
3157                 esac
3158                 ;;
3159    powerpc64-ps3-linux-gnu)
3160                 TARGET=POWERPC64
3161                 arch_target=powerpc64
3162                 AC_DEFINE(TARGET_PS3, 1, [...])
3163                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3164                 # uses this define
3165                 AC_DEFINE(__mono_ppc64__, 1, [...])
3166                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3167                 sizeof_register=8
3168                 target_byte_order=G_BIG_ENDIAN
3169                 ;;
3170    powerpc64-xbox360-linux-gnu)
3171                 TARGET=POWERPC64
3172                 arch_target=powerpc64
3173                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3174                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3175                 # uses this define
3176                 sizeof_register=8
3177                 target_byte_order=G_BIG_ENDIAN
3178                 ;;
3179    x86_64-*-nacl)
3180                 TARGET=AMD64
3181                 arch_target=amd64
3182                 AC_DEFINE(TARGET_AMD64, 1, [...])
3183                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3184                 sizeof_register=8
3185                 ;;
3186 # TODO: make proper support for NaCl target.
3187 #   arm*-*nacl)
3188 #               TARGET=ARM
3189 #               arch_target=arm
3190 #               AC_DEFINE(TARGET_ARM, 1, [...])
3191 #               ACCESS_UNALIGNED="no"
3192 #               sizeof_register=4
3193 #               CPPFLAGS="$CPPFLAGS \
3194 #                    -D__ARM_EABI__ \
3195 #                    -D__arm__ \
3196 #                    -D__portable_native_client__ \
3197 #                    -Dtimezone=_timezone \
3198 #                    -DDISABLE_SOCKETS \
3199 #                    -DDISABLE_ATTACH \
3200 #                    -DUSE_NEWLIB"
3201                 # Can't use tls, since it depends on the runtime detection of tls offsets
3202                 # in mono-compiler.h
3203 #               with_tls=pthread
3204 #               ;;
3205    i686-*-nacl)
3206                 TARGET=X86
3207                 arch_target=x86
3208                 AC_DEFINE(TARGET_X86, 1, [...])
3209                 sizeof_register=4
3210                 ;;
3211    arm*-linux-*)
3212                 TARGET=ARM;
3213                 arch_target=arm;
3214                 AC_DEFINE(TARGET_ARM, 1, [...])
3215                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3216                 ACCESS_UNALIGNED="no"
3217                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3218                 # Can't use tls, since it depends on the runtime detection of tls offsets
3219                 # in mono-compiler.h
3220                 with_tls=pthread
3221                 target_mach=no
3222                 case "$target" in
3223                 armv7l-unknown-linux-gnueabi*)
3224                         # TEGRA
3225                         CPPFLAGS="$CPPFLAGS"
3226                         ;;
3227                 armv5-*-linux-androideabi*)
3228                         CPPFLAGS="$CPPFLAGS"
3229                         ;;
3230                 esac
3231                 ;;
3232    arm*-netbsd*-eabi*)
3233                 TARGET=ARM;
3234                 arch_target=arm;
3235                 AC_DEFINE(TARGET_ARM, 1, [...])
3236                 ACCESS_UNALIGNED="no"
3237                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3238                 # Can't use tls, since it depends on the runtime detection of tls offsets
3239                 # in mono-compiler.h
3240                 with_tls=pthread
3241                 target_mach=no
3242                 ;;
3243    i686*-linux-*)
3244                 TARGET=X86;
3245                 arch_target=x86;
3246                 AC_DEFINE(TARGET_X86, 1, [...])
3247                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3248                 CPPFLAGS="$CPPFLAGS"
3249                 # Can't use tls, since it depends on the runtime detection of tls offsets
3250                 # in mono-compiler.h
3251                 with_tls=pthread
3252                 target_mach=no
3253                 ;;
3254    x86_64*-linux-*)
3255                 TARGET=AMD64;
3256                 arch_target=amd64;
3257                 AC_DEFINE(TARGET_AMD64, 1, [...])
3258                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3259                 CPPFLAGS="$CPPFLAGS"
3260                 # Can't use tls, since it depends on the runtime detection of tls offsets
3261                 # in mono-compiler.h
3262                 with_tls=pthread
3263                 target_mach=no
3264                 ;;
3265    x86_64-ps4-freebsd)
3266                 TARGET=AMD64;
3267                 arch_target=amd64;
3268                 AC_DEFINE(TARGET_AMD64, 1, [...])
3269                 AC_DEFINE(TARGET_PS4, 1, [...])
3270                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3271                 CPPFLAGS="$CPPFLAGS"
3272                 # Can't use tls, since it depends on the runtime detection of tls offsets
3273                 # in mono-compiler.h
3274                 with_tls=pthread
3275                 target_mach=no
3276                 target_win32=no
3277                 ;;
3278    aarch64*-linux-*)
3279                 TARGET=ARM64;
3280                 arch_target=arm64;
3281                 AC_DEFINE(TARGET_ARM64, 1, [...])
3282                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3283                 CPPFLAGS="$CPPFLAGS"
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                 ;;
3289         aarch64-*)
3290                 TARGET=ARM64
3291                 ;;
3292         *)
3293                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3294         esac
3295 fi
3296
3297 case "$TARGET" in
3298 X86)
3299         AC_DEFINE(TARGET_X86, 1, [...])
3300         ;;
3301 AMD64)
3302         AC_DEFINE(TARGET_AMD64, 1, [...])
3303         ;;
3304 ARM)
3305         AC_DEFINE(TARGET_ARM, 1, [...])
3306         ;;
3307 ARM64)
3308         AC_DEFINE(TARGET_ARM64, 1, [...])
3309         ;;
3310 POWERPC)
3311         AC_DEFINE(TARGET_POWERPC, 1, [...])
3312         ;;
3313 POWERPC64)
3314         AC_DEFINE(TARGET_POWERPC, 1, [...])
3315         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3316         ;;
3317 S390X)
3318         AC_DEFINE(TARGET_S390X, 1, [...])
3319         ;;
3320 MIPS)
3321         AC_DEFINE(TARGET_MIPS, 1, [...])
3322         ;;
3323 IA64)
3324         AC_DEFINE(TARGET_IA64, 1, [...])
3325         ;;
3326 SPARC)
3327         AC_DEFINE(TARGET_SPARC, 1, [...])
3328         ;;
3329 SPARC64)
3330         AC_DEFINE(TARGET_SPARC64, 1, [...])
3331         ;;
3332 esac
3333
3334 case "$HOST" in
3335 X86)
3336         AC_DEFINE(HOST_X86, 1, [...])
3337         ;;
3338 AMD64)
3339         AC_DEFINE(HOST_AMD64, 1, [...])
3340         ;;
3341 ARM)
3342         AC_DEFINE(HOST_ARM, 1, [...])
3343         ;;
3344 ARM64)
3345         AC_DEFINE(HOST_ARM64, 1, [...])
3346         ;;
3347 POWERPC)
3348         AC_DEFINE(HOST_POWERPC, 1, [...])
3349         ;;
3350 POWERPC64)
3351         AC_DEFINE(HOST_POWERPC, 1, [...])
3352         AC_DEFINE(HOST_POWERPC64, 1, [...])
3353         ;;
3354 S390X)
3355         AC_DEFINE(HOST_S390X, 1, [...])
3356         ;;
3357 MIPS)
3358         AC_DEFINE(HOST_MIPS, 1, [...])
3359         ;;
3360 IA64)
3361         AC_DEFINE(HOST_IA64, 1, [...])
3362         ;;
3363 SPARC)
3364         AC_DEFINE(HOST_SPARC, 1, [...])
3365         ;;
3366 SPARC64)
3367         AC_DEFINE(HOST_SPARC64, 1, [...])
3368         ;;
3369 esac
3370
3371
3372
3373 dnl *************
3374 dnl *** VTUNE ***
3375 dnl *************
3376
3377 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3378 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3379
3380 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3381
3382 if test "x$enable_vtune" = "xyes"; then
3383         if test "x$with_vtune" = "x"; then
3384                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3385         else
3386                 VTUNE_PATH=$with_vtune
3387         fi
3388         VTUNE_INCLUDE=$VTUNE_PATH/include
3389         case "$TARGET" in
3390         X86)
3391                 VTUNE_LIB=$VTUNE_PATH/lib32
3392                 ;;
3393         AMD64)
3394                 VTUNE_LIB=$VTUNE_PATH/lib64
3395                 ;;
3396         *)
3397                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3398                 ;;
3399         esac
3400         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3401                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3402         fi
3403         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3404                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3405         fi
3406
3407         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3408         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3409
3410         AC_SUBST(VTUNE_LIBS)
3411         AC_SUBST(VTUNE_CFLAGS)
3412 fi
3413 dnl Use GCC atomic ops if they work on the target.
3414 if test x$GCC = "xyes"; then
3415         case $TARGET in
3416         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3417                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3418                 ;;
3419         esac
3420 fi
3421
3422 if test "x$target_mach" = "xyes"; then
3423
3424    if test "x$TARGET_SYS" = "xWATCHOS"; then
3425           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3426           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3427           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3428    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3429           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3430           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3431           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3432    else
3433        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3434        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3435        #error fail this for ios
3436        #endif
3437        return 0;
3438        ], [
3439                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3440           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3441           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3442        ], [
3443           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3444           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3445           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3446        ])
3447         fi
3448    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3449 fi
3450
3451 if test "x$sizeof_register" = "x4"; then
3452    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3453 elif test "x$sizeof_register" = "x8"; then
3454    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3455 else
3456    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3457 fi
3458
3459 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3460    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3461 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3462    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3463 else
3464    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3465 fi
3466
3467 if test "x$have_visibility_hidden" = "xyes"; then
3468    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3469 fi
3470
3471 if test "x$have_deprecated" = "xyes"; then
3472    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3473 fi
3474
3475 dnl
3476 dnl Simple Generational checks (sgen)
3477 dnl
3478 SGEN_DEFINES=
3479 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3480 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3481 if test x$buildsgen = xyes; then
3482    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3483    SGEN_DEFINES="-DHAVE_SGEN_GC"
3484
3485         conc_gc_msg=""
3486    if test x$with_sgen_default_concurrent != xno; then
3487        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3488            conc_gc_msg=" (concurrent by default)"
3489    fi
3490
3491    if test "x$gc_msg" = "x"; then
3492       gc_msg="sgen$conc_gc_msg"
3493    else
3494       gc_msg="sgen$conc_gc_msg and $gc_msg"
3495    fi
3496 fi
3497 AC_SUBST(SGEN_DEFINES)
3498 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3499
3500 jit_status="Building and using the JIT"
3501
3502 libsuffix=".so"
3503
3504 case "$host" in
3505      *-*-darwin*)
3506         libsuffix=".dylib"
3507         LIBC="libc.dylib"
3508         INTL="libintl.dylib"
3509         SQLITE="libsqlite.0.dylib"
3510         SQLITE3="libsqlite3.0.dylib"
3511         X11="libX11.dylib"
3512         GDKX11="libgdk-x11-2.0.dylib"
3513         GTKX11="libgtk-x11-2.0.dylib"
3514         ;;
3515      *-*-*netbsd*)
3516         LIBC="libc.so"
3517         INTL="libintl.so"
3518         SQLITE="libsqlite.so"
3519         SQLITE3="libsqlite3.so"
3520         ;;
3521      *-*-kfreebsd*-gnu)
3522         LIBC="libc.so.0.1"
3523         INTL="libc.so.0.1"
3524         X11="libX11.so.6"
3525         ;;
3526     *-*-*freebsd*)
3527         LIBC="libc.so.7"
3528         INTL="libintl.so"
3529         SQLITE="libsqlite.so"
3530         SQLITE3="libsqlite3.so"
3531         ;;
3532     *-*-*openbsd*)
3533         LIBC="libc.so"
3534         INTL="libintl.so"
3535         SQLITE="libsqlite.so"
3536         SQLITE3="libsqlite3.so"
3537         ;;
3538     *-*-*linux*)
3539         AC_PATH_X
3540         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3541         AC_MSG_CHECKING(for the soname of libX11.so)
3542         for i in $x_libraries $dlsearch_path; do
3543                 for r in 4 5 6; do
3544                         if test -f $i/libX11.so.$r; then
3545                                 X11=libX11.so.$r
3546                                 AC_MSG_RESULT($X11)
3547                         fi
3548                 done
3549         done
3550
3551         if test "x$X11" = "xlibX11.so"; then
3552                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3553                 X11=libX11.so.6
3554         fi
3555         ;;
3556 esac
3557
3558
3559 AC_SUBST(libsuffix)
3560
3561 AC_ARG_WITH([libgdiplus],
3562         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3563         [], [with_libgdiplus=installed])
3564
3565 # default install location
3566 libgdiplus_install_loc=libgdiplus${libsuffix}
3567 case "$host" in
3568     *-*-*linux*)
3569     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3570     ;;
3571 esac
3572
3573 case $with_libgdiplus in
3574     no|installed)
3575     libgdiplus_loc=
3576     ;;
3577
3578     yes|sibling)
3579     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3580     ;;
3581
3582     /*) # absolute path, assume it is an install location
3583     libgdiplus_loc=$with_libgdiplus
3584     libgdiplus_install_loc=$with_libgdiplus
3585     ;;
3586
3587     *)
3588     libgdiplus_loc=`pwd`/$with_libgdiplus
3589     ;;
3590 esac
3591 AC_SUBST([libgdiplus_loc])
3592 AC_SUBST([libgdiplus_install_loc])
3593
3594 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3595 if test "x$icall_symbol_map" = "xyes"; then
3596    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3597 fi
3598
3599 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3600 if test "x$icall_export" = "xyes"; then
3601    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3602 fi
3603
3604 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3605 if test "x$icall_tables" = "xno"; then
3606    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3607 fi
3608
3609 if test "x$with_tls" = "x__thread"; then
3610         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3611         # Pass the information to libgc
3612         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3613         AC_MSG_CHECKING(if the tls_model attribute is supported)
3614         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3615                 ], [
3616                         AC_MSG_RESULT(yes)
3617                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3618                 ], [
3619                         AC_MSG_RESULT(no)
3620         ])
3621 fi
3622
3623 if test ${TARGET} = ARM; then
3624         dnl ******************************************
3625         dnl *** Check to see what FPU is available ***
3626         dnl ******************************************
3627         AC_MSG_CHECKING(which FPU to use)
3628
3629         #
3630         # This is a bit tricky:
3631         #
3632         # if (__ARM_PCS_VFP) {
3633         #       /* mfloat-abi=hard == VFP with hard ABI */
3634         # } elif (!__SOFTFP__) {
3635         #       /* mfloat-abi=softfp == VFP with soft ABI */
3636         # } else {
3637         #       /* mfloat-abi=soft == no VFP */
3638         # }
3639         #
3640         # The exception is iOS (w/ GCC) where none of the above
3641         # are defined (but iOS always uses the 'softfp' ABI).
3642         #
3643         # No support for FPA.
3644         #
3645
3646         fpu=NONE
3647
3648         # iOS GCC always uses the 'softfp' ABI.
3649         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3650                 fpu=VFP
3651         fi
3652
3653         # Are we using the 'hard' ABI?
3654         if test x$fpu = xNONE; then
3655                 AC_TRY_COMPILE([], [
3656                         #ifndef __ARM_PCS_VFP
3657                         #error "Float ABI is not 'hard'"
3658                         #endif
3659                         return 0;
3660                 ], [
3661                         fpu=VFP_HARD
3662                 ], [
3663                         fpu=NONE
3664                 ])
3665         fi
3666
3667         # No 'hard' ABI. 'soft' or 'softfp'?
3668         if test x$fpu = xNONE; then
3669                 AC_TRY_COMPILE([], [
3670                         #ifdef __SOFTFP__
3671                         #error "Float ABI is not 'softfp'"
3672                         #endif
3673                         return 0;
3674                 ], [
3675                         fpu=VFP
3676                 ], [
3677                         fpu=NONE
3678                 ])
3679         fi
3680
3681         if test x$arm_fpu != x; then
3682            fpu=$arm_fpu
3683         fi
3684
3685         AC_MSG_RESULT($fpu)
3686         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3687         unset fpu
3688
3689         dnl *********************************************
3690         dnl *** Check which ARM version(s) we can use ***
3691         dnl *********************************************
3692         AC_MSG_CHECKING(which ARM version to use)
3693
3694         AC_TRY_COMPILE([], [
3695                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3696                 #error Not on ARM v5.
3697                 #endif
3698                 return 0;
3699         ], [
3700                 arm_v5=yes
3701
3702                 arm_ver=ARMv5
3703         ], [])
3704
3705         AC_TRY_COMPILE([], [
3706                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3707                 #error Not on ARM v6.
3708                 #endif
3709                 return 0;
3710         ], [
3711                 arm_v5=yes
3712                 arm_v6=yes
3713
3714                 arm_ver=ARMv6
3715         ], [])
3716
3717         AC_TRY_COMPILE([], [
3718                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3719                 #error Not on ARM v7.
3720                 #endif
3721                 return 0;
3722         ], [
3723                 arm_v5=yes
3724                 arm_v6=yes
3725                 arm_v7=yes
3726
3727                 arm_ver=ARMv7
3728         ], [])
3729
3730         AC_MSG_RESULT($arm_ver)
3731
3732         if test x$arm_v5 = xyes; then
3733                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3734                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3735         fi
3736
3737         if test x$arm_v6 = xyes; then
3738                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3739                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3740         fi
3741
3742         if test x$arm_v7 = xyes; then
3743                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3744                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3745         fi
3746 fi
3747
3748 if test ${TARGET} = unknown; then
3749         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3750         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3751 fi
3752
3753 if test ${ACCESS_UNALIGNED} = no; then
3754         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3755 fi
3756
3757 case "x$libgc" in
3758         xincluded)
3759                 # Pass CPPFLAGS to libgc configure
3760                 # We should use a separate variable for this to avoid passing useless and
3761                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3762                 # This should be executed late so we pick up the final version of CPPFLAGS
3763                 # The problem with this approach, is that during a reconfigure, the main
3764                 # configure scripts gets invoked with these arguments, so we use separate
3765                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3766                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3767                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3768                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3769                 fi
3770                 # Don't pass -finstrument-for-thread-suspension in,
3771                 # if these are instrumented it will be very bad news
3772                 # (infinite recursion, undefined parking behavior, etc)
3773                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3774                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3775                 if test "x$support_boehm" = "xyes"; then
3776                         AC_CONFIG_SUBDIRS(libgc)
3777                 fi
3778                 ;;
3779 esac
3780
3781 MALLOC_MEMPOOLS=no
3782 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3783         if test x$with_malloc_mempools = xyes; then
3784                 MALLOC_MEMPOOLS=yes
3785                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3786         fi
3787 ])
3788
3789
3790 DISABLE_MCS_DOCS=default
3791 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3792         if test x$with_mcs_docs != xyes; then
3793                 DISABLE_MCS_DOCS=yes
3794         fi
3795 ])
3796 if test -n "$INSTALL_4_x_TRUE"; then :
3797         DISABLE_MCS_DOCS=yes
3798 fi
3799 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3800    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3801 fi
3802
3803 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3804         if test x$with_lazy_gc_thread_creation != xno ; then
3805                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3806         fi
3807 ], [with_lazy_gc_thread_creation=no])
3808
3809 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])
3810
3811 if test x$with_cooperative_gc = xdefault; then
3812         with_cooperative_gc=$with_cooperative_gc_default
3813 fi
3814
3815 if test x$with_cooperative_gc != xno; then
3816         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3817 fi
3818
3819 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3820
3821 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],[
3822
3823         if test x$enable_checked_build != x ; then
3824                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3825         fi
3826         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3827                 eval "mono_checked_build_test_enable_$feature='yes'"
3828         done
3829
3830         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3831                 eval "mono_checked_build_test_enable_gc='yes'"
3832                 eval "mono_checked_build_test_enable_metadata='yes'"
3833                 eval "mono_checked_build_test_enable_thread='yes'"
3834         fi
3835
3836         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3837                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3838         fi
3839
3840         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3841                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3842         fi
3843
3844         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3845                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3846         fi
3847
3848 ], [])
3849
3850 AC_CHECK_HEADER([malloc.h],
3851                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3852                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3853
3854 if test x"$GCC" = xyes; then
3855         # Implicit function declarations are not 64 bit safe
3856         # Do this late, since this causes lots of configure tests to fail
3857         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3858         # jay has a lot of implicit declarations
3859         JAY_CFLAGS="-Wno-implicit-function-declaration"
3860 fi
3861
3862 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3863 # instead of libmono-static.a
3864 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3865    LIBMONO_LA=libmini-static.la
3866 else
3867    if test x$buildsgen = xyes; then
3868       LIBMONO_LA=libmonosgen-$API_VER.la
3869    else
3870       LIBMONO_LA=libmonoboehm-$API_VER.la
3871    fi
3872 fi
3873 AC_SUBST(LIBMONO_LA)
3874
3875 if test x$DISABLE_MCS_DOCS = xyes; then
3876    docs_dir=""
3877 else
3878    docs_dir=docs
3879 fi
3880 AC_SUBST(docs_dir)
3881
3882 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3883 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3884
3885 libmono_ldflags="$libmono_ldflags $LIBS"
3886
3887 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3888 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3889 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3890 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3891 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3892 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3893 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3894 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3895 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3896 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3897 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3898 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3899 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3900 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3901 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3902 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3903 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3904 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3905
3906 AC_SUBST(LIBC)
3907 AC_SUBST(INTL)
3908 AC_SUBST(SQLITE)
3909 AC_SUBST(SQLITE3)
3910 AC_SUBST(X11)
3911 AC_SUBST(GDKX11)
3912 AC_SUBST(GTKX11)
3913 AC_SUBST(XINERAMA)
3914 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3915 AC_SUBST(arch_target)
3916 AC_SUBST(CFLAGS)
3917 AC_SUBST(CPPFLAGS)
3918 AC_SUBST(LDFLAGS)
3919
3920 #This must always be defined when building the runtime
3921 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3922
3923 mono_build_root=`pwd`
3924 AC_SUBST(mono_build_root)
3925
3926 mono_runtime=mono/mini/mono
3927 AC_SUBST(mono_runtime)
3928
3929 mono_cfg_root=$mono_build_root/runtime
3930 if test x$host_win32 = xyes; then
3931   if test "x$cross_compiling" = "xno"; then
3932     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3933   else
3934     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3935   fi
3936 else
3937   mono_cfg_dir=$mono_cfg_root/etc
3938 fi
3939 AC_SUBST(mono_cfg_dir)
3940
3941 AC_CONFIG_FILES([po/mcs/Makefile.in])
3942
3943 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3944 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3945
3946 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3947 [   depth=../../../..
3948     case $srcdir in
3949     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3950     .) reldir=$depth ;;
3951     *) reldir=$depth/$srcdir ;;
3952     esac
3953     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3954     cd runtime/etc/mono/1.0
3955     rm -f machine.config
3956     $LN_S $reldir/data/net_1_1/machine.config machine.config
3957     cd $depth
3958 ],[LN_S='$LN_S'])
3959
3960 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3961 [   depth=../../../..
3962     case $srcdir in
3963     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3964     .) reldir=$depth ;;
3965     *) reldir=$depth/$srcdir ;;
3966     esac
3967     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3968     cd runtime/etc/mono/2.0
3969     rm -f machine.config
3970     $LN_S $reldir/data/net_2_0/machine.config machine.config
3971     cd $depth
3972 ],[LN_S='$LN_S'])
3973
3974 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3975 [   depth=../../../..
3976     case $srcdir in
3977     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3978     .) reldir=$depth ;;
3979     *) reldir=$depth/$srcdir ;;
3980     esac
3981     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3982     cd runtime/etc/mono/2.0
3983     rm -f web.config
3984     $LN_S $reldir/data/net_2_0/web.config web.config
3985     cd $depth
3986 ],[LN_S='$LN_S'])
3987
3988 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3989 [   depth=../../..
3990     case $srcdir in
3991     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3992     .) reldir=$depth ;;
3993     *) reldir=$depth/$srcdir ;;
3994     esac
3995     $ac_aux_dir/install-sh -d runtime/etc/mono/
3996     cd runtime/etc/mono/
3997     rm -f browscap.ini
3998     $LN_S $reldir/data/browscap.ini browscap.ini
3999     cd $depth
4000 ],[LN_S='$LN_S'])
4001
4002 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4003 [   depth=../../../../..
4004     case $srcdir in
4005     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4006     .) reldir=$depth ;;
4007     *) reldir=$depth/$srcdir ;;
4008     esac
4009     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4010     cd runtime/etc/mono/2.0/Browsers
4011     rm -f Compat.browser
4012     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4013     cd $depth
4014 ],[LN_S='$LN_S'])
4015
4016 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4017 [   depth=../../../../..
4018     case $srcdir in
4019     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4020     .) reldir=$depth ;;
4021     *) reldir=$depth/$srcdir ;;
4022     esac
4023     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4024     cd runtime/etc/mono/4.0/Browsers
4025     rm -f Compat.browser
4026     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4027     cd $depth
4028 ],[LN_S='$LN_S'])
4029
4030 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4031 [   depth=../../../../..
4032     case $srcdir in
4033     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4034     .) reldir=$depth ;;
4035     *) reldir=$depth/$srcdir ;;
4036     esac
4037     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4038     cd runtime/etc/mono/4.5/Browsers
4039     rm -f Compat.browser
4040     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4041     cd $depth
4042 ],[LN_S='$LN_S'])
4043
4044 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4045 [   depth=../../../..
4046     case $srcdir in
4047     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4048     .) reldir=$depth ;;
4049     *) reldir=$depth/$srcdir ;;
4050     esac
4051     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4052     cd runtime/etc/mono/4.0
4053     rm -f machine.config
4054     $LN_S $reldir/data/net_4_0/machine.config machine.config
4055     cd $depth
4056 ],[LN_S='$LN_S'])
4057
4058 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4059 [   depth=../../../..
4060     case $srcdir in
4061     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4062     .) reldir=$depth ;;
4063     *) reldir=$depth/$srcdir ;;
4064     esac
4065     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4066     cd runtime/etc/mono/4.0
4067     rm -f web.config
4068     $LN_S $reldir/data/net_4_0/web.config web.config
4069     cd $depth
4070 ],[LN_S='$LN_S'])
4071
4072 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4073 [   depth=../../../..
4074     case $srcdir in
4075     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4076     .) reldir=$depth ;;
4077     *) reldir=$depth/$srcdir ;;
4078     esac
4079     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4080     cd runtime/etc/mono/4.5
4081     rm -f machine.config
4082     $LN_S $reldir/data/net_4_5/machine.config machine.config
4083     cd $depth
4084 ],[LN_S='$LN_S'])
4085
4086 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4087 [   depth=../../../..
4088     case $srcdir in
4089     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4090     .) reldir=$depth ;;
4091     *) reldir=$depth/$srcdir ;;
4092     esac
4093     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4094     cd runtime/etc/mono/4.5
4095     rm -f web.config
4096     $LN_S $reldir/data/net_4_5/web.config web.config
4097     cd $depth
4098 ],[LN_S='$LN_S'])
4099
4100 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])
4101 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])
4102
4103 AC_OUTPUT([
4104 Makefile
4105 mono-uninstalled.pc
4106 acceptance-tests/Makefile
4107 llvm/Makefile
4108 scripts/mono-find-provides
4109 scripts/mono-find-requires
4110 mono/Makefile
4111 mono/utils/Makefile
4112 mono/metadata/Makefile
4113 mono/dis/Makefile
4114 mono/cil/Makefile
4115 mono/arch/Makefile
4116 mono/arch/x86/Makefile
4117 mono/arch/amd64/Makefile
4118 mono/arch/ppc/Makefile
4119 mono/arch/sparc/Makefile
4120 mono/arch/s390x/Makefile
4121 mono/arch/arm/Makefile
4122 mono/arch/arm64/Makefile
4123 mono/arch/ia64/Makefile
4124 mono/arch/mips/Makefile
4125 mono/sgen/Makefile
4126 mono/tests/Makefile
4127 mono/tests/tests-config
4128 mono/tests/assemblyresolve/Makefile
4129 mono/tests/gc-descriptors/Makefile
4130 mono/unit-tests/Makefile
4131 mono/benchmark/Makefile
4132 mono/io-layer/Makefile
4133 mono/mini/Makefile
4134 mono/profiler/Makefile
4135 m4/Makefile
4136 ikvm-native/Makefile
4137 scripts/Makefile
4138 man/Makefile
4139 docs/Makefile
4140 data/Makefile
4141 data/net_2_0/Makefile
4142 data/net_4_0/Makefile
4143 data/net_4_5/Makefile
4144 data/net_2_0/Browsers/Makefile
4145 data/net_4_0/Browsers/Makefile
4146 data/net_4_5/Browsers/Makefile
4147 data/mint.pc
4148 data/mono-2.pc
4149 data/monosgen-2.pc
4150 data/mono.pc
4151 data/mono-cairo.pc
4152 data/mono-nunit.pc
4153 data/mono-options.pc
4154 data/mono-lineeditor.pc
4155 data/monodoc.pc
4156 data/dotnet.pc
4157 data/dotnet35.pc
4158 data/wcf.pc
4159 data/cecil.pc
4160 data/system.web.extensions_1.0.pc
4161 data/system.web.extensions.design_1.0.pc
4162 data/system.web.mvc.pc
4163 data/system.web.mvc2.pc
4164 data/system.web.mvc3.pc
4165 data/aspnetwebstack.pc
4166 data/reactive.pc
4167 samples/Makefile
4168 support/Makefile
4169 data/config
4170 tools/Makefile
4171 tools/locale-builder/Makefile
4172 tools/sgen/Makefile
4173 tools/monograph/Makefile
4174 tools/pedump/Makefile
4175 runtime/Makefile
4176 msvc/Makefile
4177 po/Makefile
4178 ])
4179
4180 # Update all submodules recursively to ensure everything is checked out
4181 $srcdir/scripts/update_submodules
4182
4183 if test x$host_win32 = xyes; then
4184    # Get rid of 'cyg' prefixes in library names
4185    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4186    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4187    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4188    # executable doesn't work...
4189    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4190 fi
4191
4192 if test x$host_darwin = xyes; then
4193    # This doesn't seem to be required and it slows down parallel builds
4194    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4195 fi
4196
4197 (
4198   case $prefix in
4199   NONE) prefix=$ac_default_prefix ;;
4200   esac
4201   case $exec_prefix in
4202   NONE) exec_prefix='${prefix}' ;;
4203   esac
4204
4205   #
4206   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4207   # any existing config.make.  This allows people to share the same source tree
4208   # with different build directories, one native and one cross
4209   #
4210   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4211
4212     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4213
4214     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4215     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4216     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4217     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4218     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4219     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4220     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4221     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4222
4223     case $INSTALL in
4224     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4225     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4226     esac
4227
4228     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4229
4230     export VERSION
4231     [myver=$($AWK 'BEGIN {
4232       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4233       if(length(vsplit [1]) > 4) {
4234         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4235       }
4236       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4237     }')]
4238
4239     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4240
4241     if test x$host_darwin = xyes; then
4242       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4243     fi
4244
4245     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4246       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4247     fi
4248
4249         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4250            enable_system_aot=yes
4251         fi
4252
4253     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4254       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4255     fi
4256
4257     if test x$DISABLE_MCS_DOCS = xyes; then
4258       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4259     fi
4260
4261     if test x$has_extension_module != xno; then
4262         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4263     fi
4264
4265     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4266
4267     if test "x$test_bcl_opt" = "xyes"; then
4268       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4269     fi
4270
4271     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4272       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4273       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4274     fi
4275
4276   fi
4277
4278 )
4279
4280 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4281
4282 echo "
4283         mcs source:    $mcsdir
4284
4285    Engine:
4286         Host:          $host
4287         Target:        $target
4288         GC:            $gc_msg
4289         TLS:           $with_tls
4290         SIGALTSTACK:   $with_sigaltstack
4291         Engine:        $jit_status
4292         BigArrays:     $enable_big_arrays
4293         DTrace:        $enable_dtrace
4294         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4295
4296    Libraries:
4297         .NET 4.x:        $with_profile4_x
4298         Xamarin.Android: $with_monodroid
4299         Xamarin.iOS:     $with_monotouch
4300         Xamarin.WatchOS: $with_monotouch_watch
4301         Xamarin.TVOS:    $with_monotouch_tv
4302         Xamarin.Mac:     $with_xammac
4303         mobile_static:   $with_mobile_static
4304         JNI support:     $jdk_headers_found
4305         libgdiplus:      $libgdiplus_msg
4306         zlib:            $zlib_msg
4307         $disabled
4308 "
4309 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4310    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4311 fi