configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [4.3.0],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 #
  40 # libgc defaults
  41 #
  42 libgc_configure_args=
  43
  44 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  45 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  46 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  47 CFLAGS_FOR_LIBGC=$CFLAGS
  48 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  49 CFLAGS_FOR_EGLIB=$CFLAGS
  50
  51 # libgc uses some deprecated APIs
  52 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  53
  54 #
  55 # These are the flags that need to be stored in the mono.pc file for
  56 # compiling code that will embed Mono
  57 #
  58 libmono_cflags=""
  59 libmono_ldflags=""
  60 AC_SUBST(libmono_cflags)
  61 AC_SUBST(libmono_ldflags)
  62
  63 # Variable to have relocatable .pc files (lib, or lib64)
  64 reloc_libdir=`basename ${libdir}`
  65 AC_SUBST(reloc_libdir)
  66
  67 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  68 need_link_unlink=no
  69
  70 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  71 extra_runtime_ldflags=""
  72
  73 # Thread configuration inspired by sleepycat's db
  74 AC_MSG_CHECKING([host platform characteristics])
  75 libgc_threads=no
  76 has_dtrace=no
  77 parallel_mark=yes
  78 ikvm_native=yes
  79
  80 host_win32=no
  81 target_win32=no
  82 platform_android=no
  83 host_darwin=no
  84 case "$host" in
  85         *-mingw*|*-*-cygwin*)
  86                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  87                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  88                 host_win32=yes
  89                 mono_cv_clang=no
  90                 if test "x$cross_compiling" = "xno"; then
  91                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
  92                                 target_win32=yes
  93                         fi
  94                 else
  95                         if test "x$host" == "x$target"; then
  96                                 target_win32=yes
  97                         fi
  98                 fi
  99                 HOST_CC="gcc"
 100                 # Windows Vista or later is required
 101                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 102                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 103                 libmono_cflags="-mms-bitfields -mwindows"
 104                 libmono_ldflags="-mms-bitfields -mwindows"
 105                 libdl=
 106                 libgc_threads=win32
 107                 with_sigaltstack=no
 108                 with_tls=pthread
 109                 LN_S=cp
 110                 # This forces libgc to use the DllMain based thread registration code on win32
 111                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 112                 ;;
 113         *-*-*netbsd*)
 114                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 115                 libmono_cflags="-D_REENTRANT"
 116                 LDFLAGS="$LDFLAGS -pthread"
 117                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 118                 libmono_ldflags="-pthread"
 119                 need_link_unlink=yes
 120                 libdl="-ldl"
 121                 libgc_threads=pthreads
 122                 with_sigaltstack=no
 123                 use_sigposix=yes
 124                 ;;
 125         *-*-kfreebsd*-gnu)
 126                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 127                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 128                 libmono_ldflags="-lpthread -pthread"
 129                 libdl="-ldl"
 130                 libgc_threads=pthreads
 131                 need_link_unlink=yes
 132                 with_sigaltstack=no
 133                 use_sigposix=yes
 134                 ;;
 135         *-*-*freebsd*)
 136                 if test "x$PTHREAD_CFLAGS" = "x"; then
 137                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 138                         libmono_cflags=
 139                 else
 140                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 141                         libmono_cflags="$PTHREAD_CFLAGS"
 142                 fi
 143                 if test "x$PTHREAD_LIBS" = "x"; then
 144                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 145                         libmono_ldflags="-pthread"
 146                 else
 147                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 148                         libmono_ldflags="$PTHREAD_LIBS"
 149                 fi
 150                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 151                 need_link_unlink=yes
 152                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 153                 libdl=
 154                 libgc_threads=pthreads
 155                 use_sigposix=yes
 156                 has_dtrace=yes
 157                 ;;
 158         *-*-*openbsd*)
 159                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 160                 if test "x$disable_munmap" != "xyes"; then
 161                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 162                 fi
 163                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 164                 LDFLAGS="$LDFLAGS -pthread"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID)
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 with_sigaltstack=no
 170                 use_sigposix=yes
 171                 ;;
 172         *-*-linux-android*)
 173                 platform_android=yes
 174                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 175                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 176
 177                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 178                 if test "x$disable_munmap" != "xyes"; then
 179                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 180                 fi
 181                 libmono_cflags="-D_REENTRANT"
 182                 libdl="-ldl"
 183                 libgc_threads=pthreads
 184                 use_sigposix=yes
 185
 186                 with_tls=pthread
 187                 with_sigaltstack=no
 188                 with_static_mono=no
 189
 190                 # Android doesn't support boehm, as it's missing <link.h>
 191                 support_boehm=no
 192                 with_gc=sgen
 193
 194                 # isinf(3) requires -lm; see isinf check below
 195                 LDFLAGS="$LDFLAGS -lm"
 196
 197                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 198                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 199                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 200                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 201                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 202
 203                 # The configure check can't detect this
 204                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 205
 206                 # to bypass the underscore linker check, can't work when cross-compiling
 207                 mono_cv_uscore=yes
 208                 mono_cv_clang=no
 209                 ;;
 210         *-*-linux*)
 211                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 212                 if test "x$disable_munmap" != "xyes"; then
 213                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 214                 fi
 215                 libmono_cflags="-D_REENTRANT"
 216                 libdl="-ldl"
 217                 libgc_threads=pthreads
 218                 use_sigposix=yes
 219                 if test "x$cross_compiling" != "xno"; then
 220                         # to bypass the underscore linker check, not
 221                         # available during cross-compilation
 222                         mono_cv_uscore=no
 223                 fi
 224                 case "$host" in
 225                 aarch64-*)
 226                         support_boehm=no
 227                         with_gc=sgen
 228                         ;;
 229                 powerpc*-*-linux*)
 230                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 231                         disable_munmap=yes
 232                         ;;
 233                 esac
 234                 ;;
 235         *-*-nacl*)
 236                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 237                 if test "x$disable_munmap" != "xyes"; then
 238                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 239                 fi
 240                 libmono_cflags="-D_REENTRANT"
 241                 libdl=
 242                 libgc_threads=pthreads
 243                 use_sigposix=yes
 244                 ikvm_native=no
 245                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 246                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 247                 ;;
 248         *-*-hpux*)
 249                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 250                 # +ESdbgasm only valid on bundled cc on RISC
 251                 # silently ignored for ia64
 252                 if test $GCC != "yes"; then
 253                         CFLAGS="$CFLAGS +ESdbgasm"
 254                         # Arrange for run-time dereferencing of null
 255                         # pointers to produce a SIGSEGV signal.
 256                         LDFLAGS="$LDFLAGS -z"
 257                 fi
 258                 CFLAGS="$CFLAGS +ESdbgasm"
 259                 LDFLAGS="$LDFLAGS -z"
 260                 libmono_cflags="-D_REENTRANT"
 261                 libmono_ldflags="-lpthread"
 262                 libgc_threads=pthreads
 263                 need_link_unlink=yes
 264                 use_sigposix=yes
 265                 ;;
 266         *-*-solaris*)
 267                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 268                 need_link_unlink=yes
 269                 libmono_cflags="-D_REENTRANT"
 270                 libgc_threads=pthreads
 271                 # This doesn't seem to work on solaris/x86, but the configure test runs
 272                 with_tls=pthread
 273                 has_dtrace=yes
 274                 use_sigposix=yes
 275                 enable_solaris_tar_check=yes
 276                 ;;
 277         *-*-darwin*)
 278                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 279                 host_darwin=yes
 280                 target_mach=yes
 281                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 282                 libmono_cflags="-D_THREAD_SAFE"
 283                 need_link_unlink=yes
 284                 AC_DEFINE(PTHREAD_POINTER_ID)
 285                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 286                 libdl=
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 if test "x$cross_compiling" = "xyes"; then
 290                         has_broken_apple_cpp=yes
 291                 fi
 292                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 293                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 294                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 295                 case "$host" in
 296                         dnl Snow Leopard and newer config.guess reports as this
 297                         i*86-*-darwin*)
 298                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 299                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 300                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 301                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 302                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 303                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 304                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 305                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 306                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 307                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 308                                 ;;
 309                         x*64-*-darwin*)
 310                                 ;;
 311                         arm*-darwin*)
 312                                 has_dtrace=no
 313                                 ;;
 314                 esac
 315                 ;;
 316         *-*-haiku*)
 317                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 318                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 319                 libdl=
 320                 LIBS="$LIBS -lnetwork"
 321                 need_link_unlink=yes
 322                 AC_DEFINE(PTHREAD_POINTER_ID)
 323                 libgc_threads=pthreads
 324                 use_sigposix=yes
 325                 ;;
 326         *)
 327                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 328                 libdl="-ldl"
 329                 ;;
 330 esac
 331 AC_MSG_RESULT(ok)
 332
 333 if test x$need_link_unlink = xyes; then
 334    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 335 fi
 336
 337 if test x$host_win32 = xyes; then
 338    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 339 fi
 340
 341 if test x$target_win32 = xyes; then
 342    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 343 fi
 344
 345 AC_SUBST(extra_runtime_ldflags)
 346 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 347 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 348 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 349 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 350 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 351 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 352
 353 AC_CHECK_TOOL(CC, gcc, gcc)
 354 AC_PROG_CC
 355 AC_CHECK_TOOL(CXX, g++, g++)
 356 AC_PROG_CXX
 357 AM_PROG_AS
 358 AC_PROG_INSTALL
 359 AC_PROG_AWK
 360 AM_PROG_CC_C_O
 361 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 362 : ${CCAS='$(CC)'}
 363 # Set ASFLAGS if not already set.
 364 : ${CCASFLAGS='$(CFLAGS)'}
 365 AC_SUBST(CCAS)
 366 AC_SUBST(CCASFLAGS)
 367
 368 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 369 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 370 if test "x$CXX" = "xg++"; then
 371         if test "x$GXX" != "xyes"; then
 372                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 373                 # are inside automake conditionals
 374                 AC_MSG_ERROR([You need to install g++])
 375         fi
 376 fi
 377
 378 dnl may require a specific autoconf version
 379 dnl AC_PROG_CC_FOR_BUILD
 380 dnl CC_FOR_BUILD not automatically detected
 381 CC_FOR_BUILD=$CC
 382 CFLAGS_FOR_BUILD=$CFLAGS
 383 BUILD_EXEEXT=
 384 if test "x$cross_compiling" = "xyes"; then
 385         CC_FOR_BUILD=cc
 386         CFLAGS_FOR_BUILD=
 387         BUILD_EXEEXT=""
 388 fi
 389 AC_SUBST(CC_FOR_BUILD)
 390 AC_SUBST(CFLAGS_FOR_BUILD)
 391 AC_SUBST(HOST_CC)
 392 AC_SUBST(BUILD_EXEEXT)
 393
 394 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 395 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 396
 397 # Set STDC_HEADERS
 398 AC_HEADER_STDC
 399 AC_LIBTOOL_WIN32_DLL
 400 # This causes monodis to not link correctly
 401 #AC_DISABLE_FAST_INSTALL
 402 AM_PROG_LIBTOOL
 403 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 404 DOLT
 405
 406 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 407 AC_SUBST(export_ldflags)
 408
 409 # Test whenever ld supports -version-script
 410 AC_PROG_LD
 411 AC_PROG_LD_GNU
 412
 413 AM_ICONV()
 414
 415 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)
 416 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h)
 417 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 418                   [], [], [#include <stddef.h>
 419                   #include <sys/socket.h>
 420                   #include <linux/socket.h>])
 421
 422 AC_CHECK_HEADERS(sys/user.h, [], [],
 423 [
 424 #ifdef HAVE_SYS_PARAM_H
 425 # include <sys/param.h>
 426 #endif
 427 ])
 428
 429 AC_CHECK_HEADERS(linux/serial.h)
 430
 431 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 432 if test x$have_zlib = xyes; then
 433    AC_TRY_COMPILE([#include <zlib.h>], [
 434    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 435    return 0;
 436    #else
 437    #error No good zlib found
 438    #endif
 439    ],[
 440         AC_MSG_RESULT(Using system zlib)
 441         zlib_msg="system zlib"
 442         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 443    ],[
 444         AC_MSG_RESULT(Using embedded zlib)
 445         have_zlib=no
 446         zlib_msg="bundled zlib"
 447    ])
 448 fi
 449
 450 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 451 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 452
 453 # for mono/metadata/debug-symfile.c
 454 AC_CHECK_HEADERS(elf.h)
 455
 456 # for support
 457 AC_CHECK_HEADERS(poll.h)
 458 AC_CHECK_HEADERS(sys/poll.h)
 459 AC_CHECK_HEADERS(sys/wait.h)
 460 AC_CHECK_HEADERS(grp.h)
 461 AC_CHECK_HEADERS(syslog.h)
 462
 463 # for mono/dis
 464 AC_CHECK_HEADERS(wchar.h)
 465 AC_CHECK_HEADERS(ieeefp.h)
 466 AC_MSG_CHECKING(for isinf)
 467 AC_TRY_LINK([#include <math.h>], [
 468         int f = isinf (1.0);
 469 ], [
 470         AC_MSG_RESULT(yes)
 471         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 472 ], [
 473         # We'll have to use signals
 474         AC_MSG_RESULT(no)
 475 ])
 476 # mingw
 477 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 478         AC_TRY_LINK([#include <math.h>],
 479         [ _finite(0.0); ],
 480         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 481         AC_MSG_RESULT(no)))
 482
 483 # for Linux statfs support
 484 AC_CHECK_HEADERS(linux/magic.h)
 485
 486 # not 64 bit clean in cross-compile
 487 AC_CHECK_SIZEOF(void *, 4)
 488
 489 AC_CACHE_CHECK([for clang],
 490         mono_cv_clang,[
 491         AC_TRY_COMPILE([], [
 492                 #ifdef __clang__
 493                 #else
 494                 #error "FAILED"
 495                 #endif
 496                 return 0;
 497         ],
 498         [mono_cv_clang=yes],
 499         [mono_cv_clang=no],
 500         [])
 501 ])
 502
 503 AC_ARG_ENABLE(visibility-hidden,
 504 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 505    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 506
 507 WARN=''
 508 if test x"$GCC" = xyes; then
 509         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 510
 511                 # We require C99 with some GNU extensions, e.g. `linux` macro
 512                 CFLAGS="$CFLAGS -std=gnu99"
 513
 514                 # The runtime code does not respect ANSI C strict aliasing rules
 515                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 516
 517                 # We rely on signed overflow to behave
 518                 CFLAGS="$CFLAGS -fwrapv"
 519
 520                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 521                 if test x"$disable_visibility_hidden" = xno; then
 522                    # Don't export any symbols by default
 523                    SHARED_CFLAGS="-fvisibility=hidden"
 524                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 525                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 526                 fi
 527
 528                 ORIG_CFLAGS=$CFLAGS
 529                 # Check for the normal version, since gcc ignores unknown -Wno options
 530                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 531                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 532                 AC_TRY_COMPILE([],[
 533                                 return 0;
 534                 ], [
 535                    AC_MSG_RESULT(yes)
 536                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 537                 ], [
 538                    AC_MSG_RESULT(no)
 539                    CFLAGS=$ORIG_CFLAGS
 540                 ])
 541
 542                 if test "x$mono_cv_clang" = "xyes"; then
 543                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 544                    WARN="$WARN -Qunused-arguments"
 545                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 546                 fi
 547 else
 548         # The Sun Forte compiler complains about inline functions that access static variables
 549         # so disable all inlining.
 550         case "$host" in
 551         *-*-solaris*)
 552                 CFLAGS="$CFLAGS -Dinline="
 553                 ;;
 554         esac
 555 fi
 556 CFLAGS="$CFLAGS -g $WARN"
 557 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 558 CPPFLAGS="$CPPFLAGS -g $WARN"
 559
 560 # Where's the 'mcs' source tree?
 561 if test -d $srcdir/mcs; then
 562   mcsdir=mcs
 563 else
 564   mcsdir=../mcs
 565 fi
 566
 567 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 568         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 569                 mcsdir=$with_mcs_path
 570         fi
 571 )
 572
 573 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 574
 575 #
 576 # A sanity check to catch cases where the package was unpacked
 577 # with an ancient tar program (Solaris)
 578 #
 579 AC_ARG_ENABLE(solaris-tar-check,
 580 [  --disable-solaris-tar-check    disable solaris tar check],
 581    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 582
 583 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 584         AC_MSG_CHECKING(integrity of package)
 585         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 586         then
 587                 AC_MSG_RESULT(ok)
 588         else
 589                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 590                 AC_MSG_ERROR([$errorm])
 591         fi
 592 fi
 593
 594 if test "x$with_mcs_path" != "x"; then
 595 mcs_topdir=$(cd "$mcsdir" && pwd)
 596 mcs_topdir_from_srcdir=$mcs_topdir
 597 else
 598 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 599 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 600 fi
 601
 602 # Convert mcs_topdir* paths to Windows syntax.
 603 if test x$cross_compiling$host_win32 = xnoyes; then
 604   mcs_topdir=$(cygpath -m $mcs_topdir)
 605   case $mcs_topdir_from_srcdir in
 606     /cygdrive/*)
 607         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 608         ;;
 609   esac
 610 fi
 611
 612 AC_SUBST([mcs_topdir])
 613 AC_SUBST([mcs_topdir_from_srcdir])
 614
 615 # gettext: prepare the translation directories.
 616 # we do not configure the full gettext, as we consume it dynamically from C#
 617 AM_PO_SUBDIRS
 618
 619 if test "x$USE_NLS" = "xyes"; then
 620    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 621
 622    if test "x$HAVE_MSGFMT" = "xno"; then
 623           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 624    fi
 625 fi
 626
 627 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 628
 629 pkg_config_path=
 630 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 631         if test x$with_crosspkgdir = "x"; then
 632                 if test -s $PKG_CONFIG_PATH; then
 633                         pkg_config_path=$PKG_CONFIG_PATH
 634                 fi
 635         else
 636                 pkg_config_path=$with_crosspkgdir
 637                 PKG_CONFIG_PATH=$pkg_config_path
 638                 export PKG_CONFIG_PATH
 639         fi
 640 )
 641
 642 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 643 if test x$werror_flag = xyes; then
 644         WERROR_CFLAGS="-Werror"
 645 fi
 646 AC_SUBST([WERROR_CFLAGS])
 647 AC_SUBST([SHARED_CFLAGS])
 648
 649 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 650 AC_CONFIG_SUBDIRS(eglib)
 651
 652 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 653 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 654
 655 AC_SUBST(GLIB_CFLAGS)
 656 AC_SUBST(GLIB_LIBS)
 657
 658 # Enable support for fast thread-local storage
 659 # Some systems have broken support, so we allow to disable it.
 660 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 661
 662 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 663 # This does not work on some platforms (bug #55253)
 664 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 665
 666 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 667 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 668 # Same as --with-shared_mono=no
 669 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 670
 671 if test "x$enable_static" = "xno"; then
 672    with_static_mono=no
 673 fi
 674
 675 if test "x$enable_shared" = "xno"; then
 676    with_shared_mono=no
 677 fi
 678
 679 if test "x$enable_libraries" = "xno"; then
 680    with_shared_mono=no
 681 fi
 682
 683 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 684
 685 case $host in
 686 *nacl* ) with_shared_mono=yes;;
 687 esac
 688
 689 if test "x$host_win32" = "xyes"; then
 690    # Boehm GC requires the runtime to be in its own dll
 691    with_static_mono=no
 692 fi
 693
 694 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 695 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 696 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 697
 698 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 699 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 700         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 701         ORIG_CFLAGS=$CFLAGS
 702         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 703         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 704         AC_TRY_COMPILE([], [
 705                 return 0;
 706         ], [
 707            AC_MSG_RESULT(yes)
 708            # Pass it to libgc as well
 709            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 710         ], [
 711            AC_MSG_RESULT(no)
 712            CFLAGS=$ORIG_CFLAGS
 713         ])
 714 fi
 715
 716 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 717
 718 if test x$enable_small_config = xyes; then
 719         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 720         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 721 fi
 722
 723 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=$enableval, enable_system_aot=default)
 724
 725 DISABLED_FEATURES=none
 726
 727 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 728      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 729      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 730          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 731 [
 732         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 733                 eval "mono_feature_disable_$feature='yes'"
 734         done
 735         DISABLED_FEATURES=$enable_minimal
 736         disabled="Disabled:      $enable_minimal"
 737 ],[])
 738
 739 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 740
 741 if test "x$mono_feature_disable_aot" = "xyes"; then
 742         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 743         AC_MSG_NOTICE([Disabled AOT compiler])
 744 fi
 745
 746 if test "x$mono_feature_disable_profiler" = "xyes"; then
 747         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 748         AC_MSG_NOTICE([Disabled support for the profiler])
 749 fi
 750 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 751
 752 if test "x$mono_feature_disable_decimal" = "xyes"; then
 753         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 754         AC_MSG_NOTICE([Disabled support for decimal])
 755 fi
 756
 757 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 758         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 759         AC_MSG_NOTICE([Disabled support for P/Invoke])
 760 fi
 761
 762 if test "x$mono_feature_disable_debug" = "xyes"; then
 763         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 764         AC_MSG_NOTICE([Disabled support for runtime debugging])
 765 fi
 766
 767 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 768         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 769         mono_feature_disable_reflection_emit_save=yes
 770         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 771 fi
 772
 773 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 774         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 775         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 776 fi
 777
 778 if test "x$mono_feature_disable_large_code" = "xyes"; then
 779         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 780         AC_MSG_NOTICE([Disabled support for large assemblies])
 781 fi
 782
 783 if test "x$mono_feature_disable_logging" = "xyes"; then
 784         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 785         AC_MSG_NOTICE([Disabled support for logging])
 786 fi
 787
 788 if test "x$mono_feature_disable_com" = "xyes"; then
 789         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 790         AC_MSG_NOTICE([Disabled COM support])
 791 fi
 792
 793 if test "x$mono_feature_disable_ssa" = "xyes"; then
 794         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 795         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 796 fi
 797
 798 if test "x$mono_feature_disable_generics" = "xyes"; then
 799         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 800         AC_MSG_NOTICE([Disabled Generics Support])
 801 fi
 802
 803 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 804         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 805         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 806 fi
 807
 808 if test "x$mono_feature_disable_portability" = "xyes"; then
 809         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 810         AC_MSG_NOTICE([Disabled IO Portability layer])
 811 fi
 812
 813 if test "x$mono_feature_disable_attach" = "xyes"; then
 814         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 815         AC_MSG_NOTICE([Disabled agent attach])
 816 fi
 817
 818 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 819         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 820         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 821 fi
 822
 823 if test "x$mono_feature_disable_verifier" = "xyes"; then
 824         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 825         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 826 fi
 827
 828 if test "x$mono_feature_disable_jit" = "xyes"; then
 829         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 830         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 831 fi
 832
 833 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 834
 835 if test "x$mono_feature_disable_simd" = "xyes"; then
 836         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 837         AC_MSG_NOTICE([Disabled SIMD support])
 838 fi
 839
 840 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 841         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 842         AC_MSG_NOTICE([Disabled Soft Debugger.])
 843 fi
 844
 845 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 846         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 847         AC_MSG_NOTICE([Disabled Performance Counters.])
 848 fi
 849 if test "x$mono_feature_disable_normalization" = "xyes"; then
 850         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 851         AC_MSG_NOTICE([Disabled String normalization support.])
 852 fi
 853
 854 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 855         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 856         AC_MSG_NOTICE([Disabled Assembly remapping.])
 857 fi
 858
 859 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 860         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 861         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 862 fi
 863
 864 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 865         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 866         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 867 fi
 868
 869 if test "x$mono_feature_disable_remoting" = "xyes"; then
 870         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 871         AC_MSG_NOTICE([Disabled remoting])
 872 fi
 873
 874 if test "x$mono_feature_disable_security" = "xyes"; then
 875         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 876         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 877 fi
 878
 879 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 880         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 881         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 882 fi
 883
 884 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 885         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 886         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 887 fi
 888
 889 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 890         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 891         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 892 fi
 893
 894 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 895         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 896         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 897 fi
 898
 899 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 900         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 901         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 902 fi
 903
 904 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 905         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 906         AC_SUBST(DISABLE_SHARED_HANDLES)
 907 fi
 908
 909 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 910 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 911
 912 has_extension_module=no
 913 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 914 [
 915         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 916                 if test x$extension = xdefault ; then
 917                         has_extension_module=yes;
 918                 fi
 919         done
 920         if test x$enable_extension_module = xyes; then
 921                 has_extension_module=yes;
 922         fi
 923 ], [])
 924
 925 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 926
 927 if test x$has_extension_module != xno ; then
 928         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 929         AC_MSG_NOTICE([Enabling mono extension module.])
 930 fi
 931
 932 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
 933 if test x$enable_gsharedvt = xyes; then
 934         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
 935 fi
 936
 937 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 938 if test x$enable_native_types = xyes; then
 939         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 940 fi
 941
 942 AC_MSG_CHECKING(for visibility __attribute__)
 943 AC_COMPILE_IFELSE([
 944         AC_LANG_SOURCE([[
 945                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 946                 int main () { doit (); return 0; }
 947         ]])
 948 ], [
 949    have_visibility_hidden=yes
 950    AC_MSG_RESULT(yes)
 951 ], [
 952    have_visibility_hidden=no
 953    AC_MSG_RESULT(no)
 954 ])
 955
 956 AC_MSG_CHECKING(for deprecated __attribute__)
 957 AC_TRY_COMPILE([
 958      int doit (void) __attribute__ ((deprecated));
 959      int doit (void) { return 0; }
 960 ], [
 961         return 0;
 962 ], [
 963    have_deprecated=yes
 964    AC_MSG_RESULT(yes)
 965 ], [
 966    have_deprecated=no
 967    AC_MSG_RESULT(no)
 968 ])
 969
 970 dnl
 971 dnl Boehm GC configuration
 972 dnl
 973
 974 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
 975
 976 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 977 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 978
 979 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 980 if test x$enable_parallel_mark = xyes; then
 981         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 982 fi
 983
 984 gc_msg=""
 985 LIBGC_CPPFLAGS=
 986 LIBGC_LIBS=
 987 LIBGC_STATIC_LIBS=
 988 libgc_dir=
 989 case "x$libgc" in
 990         xincluded)
 991                 if test "x$support_boehm" = "xyes"; then
 992                         libgc_dir=libgc
 993                 fi
 994
 995                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 996                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 997                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 998
 999                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1000
1001                 if test x$target_win32 = xyes; then
1002                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1003                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1004                 fi
1005
1006                 gc_msg="Included Boehm GC with typed GC"
1007                 if test x$enable_parallel_mark = xyes; then
1008                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1009                         gc_msg="$gc_msg and parallel mark"
1010                 else
1011                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1012                 fi
1013                 ;;
1014
1015         xboehm|xbohem|xyes)
1016                 AC_MSG_WARN("External Boehm is no longer supported")
1017                 ;;
1018
1019         xsgen)
1020                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1021                 ;;
1022
1023         xnone)
1024                 AC_MSG_WARN("Compiling mono without GC.")
1025                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1026                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1027                 gc_msg="none"
1028                 ;;
1029         *)
1030                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1031                 ;;
1032 esac
1033
1034 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1035 if test "x$large_heap" = "xyes"; then
1036    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1037 fi
1038
1039 AC_SUBST(LIBGC_CPPFLAGS)
1040 AC_SUBST(LIBGC_LIBS)
1041 AC_SUBST(LIBGC_STATIC_LIBS)
1042 AC_SUBST(libgc_dir)
1043 AC_SUBST(BOEHM_DEFINES)
1044
1045 dnl
1046 dnl End of Boehm GC Configuration
1047 dnl
1048
1049 dnl *************************************
1050 dnl *** Checks for zero length arrays ***
1051 dnl *************************************
1052 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1053 AC_TRY_COMPILE([
1054         struct s {
1055                 int  length;
1056                 char data [0];
1057         };
1058 ], [], [
1059         AC_MSG_RESULT(yes)
1060         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1061 ], [
1062         AC_MSG_RESULT(no)
1063         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1064 ])
1065
1066 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1067
1068 dnl ***********************************
1069 dnl *** Checks for signals
1070 dnl ***********************************
1071 AC_CHECK_HEADERS(signal.h)
1072 AC_CHECK_FUNCS(sigaction)
1073 AC_CHECK_FUNCS(kill)
1074 AC_CHECK_FUNCS(signal)
1075
1076 if test x$host_win32 = xno; then
1077
1078         dnl hires monotonic clock support
1079         AC_SEARCH_LIBS(clock_gettime, rt)
1080
1081         dnl dynamic loader support
1082         AC_CHECK_FUNC(dlopen, DL_LIB="",
1083                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1084         )
1085         if test x$dl_support = xno; then
1086                 AC_MSG_WARN([No dynamic loading support available])
1087         else
1088                 LIBS="$LIBS $DL_LIB"
1089                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1090                 dnl from glib's configure.ac
1091                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1092                         mono_cv_uscore,[
1093                         AC_TRY_RUN([#include <dlfcn.h>
1094                         int mono_underscore_test (void) { return 42; }
1095                         int main() {
1096                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1097                           handle = dlopen ((void*)0, 0);
1098                           if (handle) {
1099                             f1 = dlsym (handle, "mono_underscore_test");
1100                             f2 = dlsym (handle, "_mono_underscore_test");
1101                           } return (!f2 || f1);
1102                         }],
1103                                 [mono_cv_uscore=yes],
1104                                 [mono_cv_uscore=no],
1105                         [])
1106                 ])
1107                 if test "x$mono_cv_uscore" = "xyes"; then
1108                         MONO_DL_NEED_USCORE=1
1109                 else
1110                         MONO_DL_NEED_USCORE=0
1111                 fi
1112                 AC_SUBST(MONO_DL_NEED_USCORE)
1113                 AC_CHECK_FUNC(dlerror)
1114         fi
1115
1116         dnl ******************************************************************
1117         dnl *** Checks for the IKVM JNI interface library                  ***
1118         dnl ******************************************************************
1119         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])
1120
1121         ikvm_native_dir=
1122         if test x$with_ikvm_native = xyes; then
1123                 ikvm_native_dir=ikvm-native
1124                 jdk_headers_found="IKVM Native"
1125         fi
1126
1127         AC_SUBST(ikvm_native_dir)
1128
1129         AC_CHECK_HEADERS(execinfo.h)
1130
1131         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1132
1133         AC_CHECK_FUNCS(getgrgid_r)
1134         AC_CHECK_FUNCS(getgrnam_r)
1135         AC_CHECK_FUNCS(getpwnam_r)
1136         AC_CHECK_FUNCS(getpwuid_r)
1137         AC_CHECK_FUNCS(getresuid)
1138         AC_CHECK_FUNCS(setresuid)
1139         AC_CHECK_FUNCS(kqueue)
1140         AC_CHECK_FUNCS(backtrace_symbols)
1141         AC_CHECK_FUNCS(mkstemp)
1142         AC_CHECK_FUNCS(mmap)
1143         AC_CHECK_FUNCS(madvise)
1144         AC_CHECK_FUNCS(getrusage)
1145         AC_CHECK_FUNCS(getpriority)
1146         AC_CHECK_FUNCS(setpriority)
1147         AC_CHECK_FUNCS(dl_iterate_phdr)
1148         AC_CHECK_FUNCS(dladdr)
1149         AC_CHECK_FUNCS(sysconf)
1150         AC_CHECK_FUNCS(getrlimit)
1151         AC_CHECK_FUNCS(prctl)
1152
1153         AC_CHECK_FUNCS(sched_setaffinity)
1154         AC_CHECK_FUNCS(sched_getcpu)
1155
1156         dnl ****************************************************************
1157         dnl *** Check for sched_setaffinity from glibc versions before   ***
1158         dnl *** 2.3.4. The older versions of the function only take 2    ***
1159         dnl *** parameters, not 3.                                       ***
1160         dnl ***                                                          ***
1161         dnl *** Because the interface change was not made in a minor     ***
1162         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1163         dnl *** won't always indicate the interface sched_affinity has.  ***
1164         dnl ****************************************************************
1165         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1166         AC_TRY_COMPILE([#include <sched.h>], [
1167             int mask = 1;
1168             sched_setaffinity(0, &mask);
1169                         return 0;
1170         ], [
1171                 # Yes, we have it...
1172                 AC_MSG_RESULT(yes)
1173                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1174         ], [
1175                 # We have the new, three-parameter version
1176                 AC_MSG_RESULT(no)
1177         ])
1178
1179
1180         dnl ******************************************************************
1181         dnl *** Check for large file support                               ***
1182         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1183         dnl ******************************************************************
1184
1185         # Check that off_t can represent 2**63 - 1 correctly, working around
1186         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1187         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1188         large_offt=no
1189         AC_DEFUN([LARGE_FILES], [
1190                 large_CPPFLAGS=$CPPFLAGS
1191                 CPPFLAGS="$CPPFLAGS $1"
1192                 AC_TRY_COMPILE([
1193                         #include <sys/types.h>
1194                         #include <limits.h>
1195                 ], [
1196                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1197                         #define COMPILE_TIME_ASSERT(pred) \
1198                                 switch(0){case 0:case pred:;}
1199                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1200                 ], [
1201                         AC_MSG_RESULT(ok)
1202                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1203                         large_CPPFLAGS="$large_CPPFLAGS $1"
1204                         large_offt=yes
1205                 ], [
1206                         AC_MSG_RESULT(no)
1207                 ])
1208                 CPPFLAGS=$large_CPPFLAGS
1209         ])
1210
1211         AC_MSG_CHECKING(if off_t is 64 bits wide)
1212         LARGE_FILES("")
1213         if test $large_offt = no; then
1214                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1215                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1216         fi
1217         if test $large_offt = no; then
1218                 AC_MSG_WARN([No 64 bit file size support available])
1219         fi
1220
1221         dnl *****************************
1222         dnl *** Checks for libsocket  ***
1223         dnl *****************************
1224         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1225
1226         case "$host" in
1227                 *-*-*freebsd*)
1228                         dnl *****************************
1229                         dnl *** Checks for libinotify ***
1230                         dnl *****************************
1231                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1232         esac
1233
1234         dnl *******************************
1235         dnl *** Checks for MSG_NOSIGNAL ***
1236         dnl *******************************
1237         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1238         AC_TRY_COMPILE([#include <sys/socket.h>], [
1239                 int f = MSG_NOSIGNAL;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1244         ], [
1245                 # We'll have to use signals
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249         dnl *****************************
1250         dnl *** Checks for IPPROTO_IP ***
1251         dnl *****************************
1252         AC_MSG_CHECKING(for IPPROTO_IP)
1253         AC_TRY_COMPILE([#include <netinet/in.h>], [
1254                 int level = IPPROTO_IP;
1255         ], [
1256                 # Yes, we have it...
1257                 AC_MSG_RESULT(yes)
1258                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1259         ], [
1260                 # We'll have to use getprotobyname
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl *******************************
1265         dnl *** Checks for IPPROTO_IPV6 ***
1266         dnl *******************************
1267         AC_MSG_CHECKING(for IPPROTO_IPV6)
1268         AC_TRY_COMPILE([#include <netinet/in.h>], [
1269                 int level = IPPROTO_IPV6;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1274         ], [
1275                 # We'll have to use getprotobyname
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl ******************************
1280         dnl *** Checks for IPPROTO_TCP ***
1281         dnl ******************************
1282         AC_MSG_CHECKING(for IPPROTO_TCP)
1283         AC_TRY_COMPILE([#include <netinet/in.h>], [
1284                 int level = IPPROTO_TCP;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1289         ], [
1290                 # We'll have to use getprotobyname
1291                 AC_MSG_RESULT(no)
1292         ])
1293
1294         dnl *****************************
1295         dnl *** Checks for SOL_IP     ***
1296         dnl *****************************
1297         AC_MSG_CHECKING(for SOL_IP)
1298         AC_TRY_COMPILE([#include <netdb.h>], [
1299                 int level = SOL_IP;
1300         ], [
1301                 # Yes, we have it...
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1304         ], [
1305                 # We'll have to use getprotobyname
1306                 AC_MSG_RESULT(no)
1307         ])
1308
1309         dnl *****************************
1310         dnl *** Checks for SOL_IPV6     ***
1311         dnl *****************************
1312         AC_MSG_CHECKING(for SOL_IPV6)
1313         AC_TRY_COMPILE([#include <netdb.h>], [
1314                 int level = SOL_IPV6;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1319         ], [
1320                 # We'll have to use getprotobyname
1321                 AC_MSG_RESULT(no)
1322         ])
1323
1324         dnl *****************************
1325         dnl *** Checks for SOL_TCP    ***
1326         dnl *****************************
1327         AC_MSG_CHECKING(for SOL_TCP)
1328         AC_TRY_COMPILE([#include <netdb.h>], [
1329                 int level = SOL_TCP;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1334         ], [
1335                 # We'll have to use getprotobyname
1336                 AC_MSG_RESULT(no)
1337         ])
1338
1339         dnl *****************************
1340         dnl *** Checks for IP_PKTINFO ***
1341         dnl *****************************
1342         AC_MSG_CHECKING(for IP_PKTINFO)
1343         AC_TRY_COMPILE([#include <linux/in.h>], [
1344                 int level = IP_PKTINFO;
1345         ], [
1346                 # Yes, we have it...
1347                 AC_MSG_RESULT(yes)
1348                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1349         ], [
1350                 AC_MSG_RESULT(no)
1351         ])
1352
1353         dnl *****************************
1354         dnl *** Checks for IPV6_PKTINFO ***
1355         dnl *****************************
1356         AC_MSG_CHECKING(for IPV6_PKTINFO)
1357         AC_TRY_COMPILE([#include <netdb.h>], [
1358                 int level = IPV6_PKTINFO;
1359         ], [
1360                 # Yes, we have it...
1361                 AC_MSG_RESULT(yes)
1362                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1363         ], [
1364                 AC_MSG_RESULT(no)
1365         ])
1366
1367         dnl **********************************
1368         dnl *** Checks for IP_DONTFRAG     ***
1369         dnl **********************************
1370         AC_MSG_CHECKING(for IP_DONTFRAG)
1371         AC_TRY_COMPILE([#include <netinet/in.h>], [
1372                 int level = IP_DONTFRAG;
1373         ], [
1374                 # Yes, we have it...
1375                 AC_MSG_RESULT(yes)
1376                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1377         ], [
1378                 AC_MSG_RESULT(no)
1379         ])
1380
1381         dnl **********************************
1382         dnl *** Checks for IP_DONTFRAGMENT ***
1383         dnl **********************************
1384         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1385         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1386                 int level = IP_DONTFRAGMENT;
1387         ], [
1388                 # Yes, we have it...
1389                 AC_MSG_RESULT(yes)
1390                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1391         ], [
1392                 AC_MSG_RESULT(no)
1393         ])
1394
1395         dnl **********************************
1396         dnl *** Checks for IP_MTU_DISCOVER ***
1397         dnl **********************************
1398         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1399         AC_TRY_COMPILE([#include <linux/in.h>], [
1400                 int level = IP_MTU_DISCOVER;
1401         ], [
1402                 # Yes, we have it...
1403                 AC_MSG_RESULT(yes)
1404                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1405         ], [
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl **********************************
1410         dnl *** Checks for  IP_PMTUDISC_DO ***
1411         dnl **********************************
1412         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1413         AC_TRY_COMPILE([#include <linux/in.h>], [
1414                 int level = IP_PMTUDISC_DO;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl *********************************
1424         dnl *** Check for struct ip_mreqn ***
1425         dnl *********************************
1426         AC_MSG_CHECKING(for struct ip_mreqn)
1427         AC_TRY_COMPILE([#include <netinet/in.h>], [
1428                 struct ip_mreqn mreq;
1429                 mreq.imr_address.s_addr = 0;
1430         ], [
1431                 # Yes, we have it...
1432                 AC_MSG_RESULT(yes)
1433                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1434         ], [
1435                 # We'll just have to try and use struct ip_mreq
1436                 AC_MSG_RESULT(no)
1437                 AC_MSG_CHECKING(for struct ip_mreq)
1438                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1439                         struct ip_mreq mreq;
1440                         mreq.imr_interface.s_addr = 0;
1441                 ], [
1442                         # Yes, we have it...
1443                         AC_MSG_RESULT(yes)
1444                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1445                 ], [
1446                         # No multicast support
1447                         AC_MSG_RESULT(no)
1448                 ])
1449         ])
1450
1451         dnl **********************************
1452         dnl *** Check for getaddrinfo ***
1453         dnl **********************************
1454         AC_MSG_CHECKING(for getaddrinfo)
1455                 AC_TRY_LINK([
1456                 #include <stdio.h>
1457                 #include <netdb.h>
1458         ], [
1459                 getaddrinfo(NULL,NULL,NULL,NULL);
1460         ], [
1461                 # Yes, we have it...
1462                 AC_MSG_RESULT(yes)
1463                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1464         ], [
1465                 AC_MSG_RESULT(no)
1466         ])
1467
1468         dnl **********************************
1469         dnl *** Check for gethostbyname2_r ***
1470         dnl **********************************
1471         AC_MSG_CHECKING(for gethostbyname2_r)
1472                 AC_TRY_LINK([
1473                 #include <stdio.h>
1474                 #include <netdb.h>
1475         ], [
1476
1477                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1478         ], [
1479                 # Yes, we have it...
1480                 AC_MSG_RESULT(yes)
1481                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1482         ], [
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl **********************************
1487         dnl *** Check for gethostbyname2 ***
1488         dnl **********************************
1489         AC_MSG_CHECKING(for gethostbyname2)
1490                 AC_TRY_LINK([
1491                 #include <stdio.h>
1492                 #include <netdb.h>
1493         ], [
1494                 gethostbyname2(NULL,0);
1495         ], [
1496                 # Yes, we have it...
1497                 AC_MSG_RESULT(yes)
1498                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1499         ], [
1500                 AC_MSG_RESULT(no)
1501         ])
1502
1503         dnl **********************************
1504         dnl *** Check for gethostbyname ***
1505         dnl **********************************
1506         AC_MSG_CHECKING(for gethostbyname)
1507                 AC_TRY_LINK([
1508                 #include <stdio.h>
1509                 #include <netdb.h>
1510         ], [
1511                 gethostbyname(NULL);
1512         ], [
1513                 # Yes, we have it...
1514                 AC_MSG_RESULT(yes)
1515                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1516         ], [
1517                 AC_MSG_RESULT(no)
1518         ])
1519
1520         dnl **********************************
1521         dnl *** Check for getprotobyname ***
1522         dnl **********************************
1523         AC_MSG_CHECKING(for getprotobyname)
1524                 AC_TRY_LINK([
1525                 #include <stdio.h>
1526                 #include <netdb.h>
1527         ], [
1528                 getprotobyname(NULL);
1529         ], [
1530                 # Yes, we have it...
1531                 AC_MSG_RESULT(yes)
1532                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1533         ], [
1534                 AC_MSG_RESULT(no)
1535         ])
1536
1537         dnl **********************************
1538         dnl *** Check for getnameinfo ***
1539         dnl **********************************
1540         AC_MSG_CHECKING(for getnameinfo)
1541                 AC_TRY_LINK([
1542                 #include <stdio.h>
1543                 #include <netdb.h>
1544         ], [
1545                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1546         ], [
1547                 # Yes, we have it...
1548                 AC_MSG_RESULT(yes)
1549                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1550         ], [
1551                 AC_MSG_RESULT(no)
1552         ])
1553
1554
1555         dnl **********************************
1556         dnl *** Check for inet_ntop ***
1557         dnl **********************************
1558         AC_MSG_CHECKING(for inet_ntop)
1559                 AC_TRY_LINK([
1560                 #include <stdio.h>
1561                 #include <arpa/inet.h>
1562         ], [
1563                 inet_ntop (0, NULL, NULL, 0);
1564         ], [
1565                 # Yes, we have it...
1566                 AC_MSG_RESULT(yes)
1567                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1568         ], [
1569                 AC_MSG_RESULT(no)
1570         ])
1571
1572         dnl *****************************
1573         dnl *** Checks for libnsl     ***
1574         dnl *****************************
1575         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1576
1577         AC_CHECK_FUNCS(inet_pton inet_aton)
1578
1579         dnl *****************************
1580         dnl *** Checks for libxnet    ***
1581         dnl *****************************
1582         case "${host}" in
1583                 *solaris* )
1584                         AC_MSG_CHECKING(for Solaris XPG4 support)
1585                         if test -f /usr/lib/libxnet.so; then
1586                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1587                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1588                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1589                                 LIBS="$LIBS -lxnet"
1590                                 AC_MSG_RESULT(yes)
1591                         else
1592                                 AC_MSG_RESULT(no)
1593                         fi
1594
1595                         if test "$GCC" = "yes"; then
1596                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1597                         fi
1598                 ;;
1599         esac
1600
1601         dnl *****************************
1602         dnl *** Checks for libpthread ***
1603         dnl *****************************
1604 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1605 # and libpthread does not exist
1606 #
1607         case "${host}" in
1608                 *-*-*freebsd*)
1609                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1610                 ;;
1611                 *-*-*openbsd*)
1612                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1613                 ;;
1614                 *)
1615                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1616                 ;;
1617         esac
1618         AC_CHECK_HEADERS(pthread.h)
1619         AC_CHECK_HEADERS(pthread_np.h)
1620         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1621         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1622         AC_CHECK_FUNCS(pthread_kill)
1623         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1624         AC_TRY_COMPILE([ #include <pthread.h>], [
1625                 pthread_mutexattr_t attr;
1626                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1627         ], [
1628                 AC_MSG_RESULT(ok)
1629         ], [
1630                 AC_MSG_RESULT(no)
1631                 AC_ERROR(Posix system lacks support for recursive mutexes)
1632         ])
1633         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1634         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1635         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1636
1637         dnl **********************************
1638         dnl *** Check for mincore ***
1639         dnl **********************************
1640         AC_MSG_CHECKING(for mincore)
1641                 AC_TRY_LINK([
1642                 #include <stdio.h>
1643                 #include <sys/types.h>
1644                 #include <sys/mman.h>
1645         ], [
1646                 mincore(NULL, 0, NULL);
1647         ], [
1648                 # Yes, we have it...
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1651         ], [
1652                 AC_MSG_RESULT(no)
1653         ])
1654
1655         dnl ***********************************
1656         dnl *** Checks for working __thread ***
1657         dnl ***********************************
1658         AC_MSG_CHECKING(for working __thread)
1659         if test "x$with_tls" != "x__thread"; then
1660                 AC_MSG_RESULT(disabled)
1661         elif test "x$cross_compiling" = "xyes"; then
1662                 AC_MSG_RESULT(cross compiling, assuming yes)
1663         else
1664                 AC_TRY_RUN([
1665                         #if defined(__APPLE__) && defined(__clang__)
1666                         #error "__thread does not currently work with clang on Mac OS X"
1667                         #endif
1668
1669                         #include <pthread.h>
1670                         __thread int i;
1671                         static int res1, res2;
1672
1673                         void thread_main (void *arg)
1674                         {
1675                                 i = arg;
1676                                 sleep (1);
1677                                 if (arg == 1)
1678                                         res1 = (i == arg);
1679                                 else
1680                                         res2 = (i == arg);
1681                         }
1682
1683                         int main () {
1684                                 pthread_t t1, t2;
1685
1686                                 i = 5;
1687
1688                                 pthread_create (&t1, NULL, thread_main, 1);
1689                                 pthread_create (&t2, NULL, thread_main, 2);
1690
1691                                 pthread_join (t1, NULL);
1692                                 pthread_join (t2, NULL);
1693
1694                                 return !(res1 + res2 == 2);
1695                         }
1696                 ], [
1697                                 AC_MSG_RESULT(yes)
1698                 ], [
1699                                 AC_MSG_RESULT(no)
1700                                 with_tls=pthread
1701                 ])
1702         fi
1703
1704         dnl **************************************
1705         dnl *** Checks for working sigaltstack ***
1706         dnl **************************************
1707         AC_MSG_CHECKING(for working sigaltstack)
1708         if test "x$with_sigaltstack" != "xyes"; then
1709                 AC_MSG_RESULT(disabled)
1710         elif test "x$cross_compiling" = "xyes"; then
1711                 AC_MSG_RESULT(cross compiling, assuming yes)
1712         else
1713                 AC_TRY_RUN([
1714                         #include <stdio.h>
1715                         #include <stdlib.h>
1716                         #include <unistd.h>
1717                         #include <signal.h>
1718                         #include <pthread.h>
1719                         #include <sys/wait.h>
1720                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1721                         #define SA_STACK SA_ONSTACK
1722                         #endif
1723                         static void
1724                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1725                         {
1726                                 exit (0);
1727                         }
1728
1729                         volatile char*__ptr = NULL;
1730                         static void *
1731                         loop (void *ignored)
1732                         {
1733                                 *__ptr = 0;
1734                                 return NULL;
1735                         }
1736
1737                         static void
1738                         child ()
1739                         {
1740                                 struct sigaction sa;
1741                         #ifdef __APPLE__
1742                                 stack_t sas;
1743                         #else
1744                                 struct sigaltstack sas;
1745                         #endif
1746                                 pthread_t id;
1747                                 pthread_attr_t attr;
1748
1749                                 sa.sa_sigaction = sigsegv_signal_handler;
1750                                 sigemptyset (&sa.sa_mask);
1751                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1752                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1753                                         perror ("sigaction");
1754                                         return;
1755                                 }
1756
1757                                 /* x86 darwin deliver segfaults using SIGBUS */
1758                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1759                                         perror ("sigaction");
1760                                         return;
1761                                 }
1762                                 sas.ss_sp = malloc (SIGSTKSZ);
1763                                 sas.ss_size = SIGSTKSZ;
1764                                 sas.ss_flags = 0;
1765                                 if (sigaltstack (&sas, NULL) == -1) {
1766                                         perror ("sigaltstack");
1767                                         return;
1768                                 }
1769
1770                                 pthread_attr_init (&attr);
1771                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1772                                         printf ("pthread_create\n");
1773                                         return;
1774                                 }
1775
1776                                 sleep (100);
1777                         }
1778
1779                         int
1780                         main ()
1781                         {
1782                                 pid_t son;
1783                                 int status;
1784                                 int i;
1785
1786                                 son = fork ();
1787                                 if (son == -1) {
1788                                         return 1;
1789                                 }
1790
1791                                 if (son == 0) {
1792                                         child ();
1793                                         return 0;
1794                                 }
1795
1796                                 for (i = 0; i < 300; ++i) {
1797                                         waitpid (son, &status, WNOHANG);
1798                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1799                                                 return 0;
1800                                         usleep (10000);
1801                                 }
1802
1803                                 kill (son, SIGKILL);
1804                                 return 1;
1805                         }
1806
1807                 ], [
1808                                 AC_MSG_RESULT(yes)
1809                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1810                 ], [
1811                                 with_sigaltstack=no
1812                                 AC_MSG_RESULT(no)
1813                 ])
1814         fi
1815
1816         dnl ********************************
1817         dnl *** Checks for semaphore lib ***
1818         dnl ********************************
1819         # 'Real Time' functions on Solaris
1820         # posix4 on Solaris 2.6
1821         # pthread (first!) on Linux
1822         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1823
1824         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1825         AC_CHECK_FUNCS(shm_open)
1826
1827         dnl ********************************
1828         dnl *** Checks for timezone stuff **
1829         dnl ********************************
1830         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1831                 AC_TRY_COMPILE([
1832                         #include <time.h>
1833                         ], [
1834                         struct tm tm;
1835                         tm.tm_gmtoff = 1;
1836                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1837         if test $ac_cv_struct_tm_gmtoff = yes; then
1838                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1839         else
1840                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1841                         AC_TRY_COMPILE([
1842                                 #include <time.h>
1843                         ], [
1844                                 timezone = 1;
1845                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1846                 if test $ac_cv_var_timezone = yes; then
1847                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1848                 else
1849                         AC_ERROR(unable to find a way to determine timezone)
1850                 fi
1851         fi
1852
1853         dnl *********************************
1854         dnl *** Checks for math functions ***
1855         dnl *********************************
1856         AC_SEARCH_LIBS(sqrtf, m)
1857         if test "x$has_broken_apple_cpp" != "xyes"; then
1858                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1859                         AC_TRY_LINK([#include <math.h>],
1860                         [ finite(0.0); ],
1861                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1862                         AC_MSG_RESULT(no)))
1863         fi
1864         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1865                 AC_TRY_LINK([#include <math.h>],
1866                 [ isfinite(0.0); ],
1867                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1868                 AC_MSG_RESULT(no)))
1869
1870         dnl ****************************************************************
1871         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1872         dnl *** have it in the library (duh))                            ***
1873         dnl ****************************************************************
1874         AC_CHECK_FUNCS(poll)
1875
1876         dnl *************************
1877         dnl *** Check for signbit ***
1878         dnl *************************
1879         AC_MSG_CHECKING(for signbit)
1880         AC_TRY_LINK([#include <math.h>], [
1881                 int s = signbit(1.0);
1882         ], [
1883                 AC_MSG_RESULT(yes)
1884                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1885         ], [
1886                 AC_MSG_RESULT(no)
1887         ])
1888
1889         dnl **********************************
1890         dnl *** epoll                      ***
1891         dnl **********************************
1892         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1893                 AC_CHECK_HEADERS(sys/epoll.h)
1894                 haveepoll=no
1895                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1896                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1897                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1898                 fi
1899         fi
1900
1901         havekqueue=no
1902
1903         AC_CHECK_HEADERS(sys/event.h)
1904         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1905
1906         dnl **************************************
1907         dnl * Darwin has a race that prevents us from using reliably:
1908         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1909         dnl * Since kqueue is mostly used for scaling large web servers,
1910         dnl * and very few folks run Mono on large web servers on OSX, falling
1911         dnl * back
1912         dnl **************************************
1913         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1914                 if test "x$host_darwin" = "xno"; then
1915                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1916                 fi
1917         fi
1918
1919         dnl ******************************
1920         dnl *** Checks for SIOCGIFCONF ***
1921         dnl ******************************
1922         AC_CHECK_HEADERS(sys/ioctl.h)
1923         AC_CHECK_HEADERS(net/if.h, [], [],
1924            [
1925            #ifdef HAVE_SYS_TYPES_H
1926            # include <sys/types.h>
1927            #endif
1928            #ifdef HAVE_SYS_SOCKET_H
1929            # include <sys/socket.h>
1930            #endif
1931            ])
1932         AC_MSG_CHECKING(for ifreq)
1933         AC_TRY_COMPILE([
1934                 #include <stdio.h>
1935                 #include <sys/ioctl.h>
1936                 #include <net/if.h>
1937                 ], [
1938                 struct ifconf ifc;
1939                 struct ifreq *ifr;
1940                 void *x;
1941                 ifc.ifc_len = 0;
1942                 ifc.ifc_buf = NULL;
1943                 x = (void *) &ifr->ifr_addr;
1944                 ],[
1945                         AC_MSG_RESULT(yes)
1946                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1947                 ], [
1948                         AC_MSG_RESULT(no)
1949                 ])
1950         dnl **********************************
1951         dnl ***     Checks for sin_len     ***
1952         dnl **********************************
1953         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1954         AC_TRY_COMPILE([
1955                 #include <netinet/in.h>
1956                 ], [
1957                 struct sockaddr_in saddr;
1958                 saddr.sin_len = sizeof (saddr);
1959                 ],[
1960                         AC_MSG_RESULT(yes)
1961                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1962                 ], [
1963                         AC_MSG_RESULT(no)
1964                 ])
1965         dnl **********************************
1966         dnl ***    Checks for sin6_len     ***
1967         dnl **********************************
1968         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1969         AC_TRY_COMPILE([
1970                 #include <netinet/in.h>
1971                 ], [
1972                 struct sockaddr_in6 saddr6;
1973                 saddr6.sin6_len = sizeof (saddr6);
1974                 ],[
1975                         AC_MSG_RESULT(yes)
1976                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1977                 ], [
1978                         AC_MSG_RESULT(no)
1979                 ])
1980         dnl **********************************
1981         dnl *** Check for getifaddrs       ***
1982         dnl **********************************
1983         AC_MSG_CHECKING(for getifaddrs)
1984                 AC_TRY_LINK([
1985                 #include <stdio.h>
1986                 #include <sys/types.h>
1987                 #include <sys/socket.h>
1988                 #include <ifaddrs.h>
1989         ], [
1990                 getifaddrs(NULL);
1991         ], [
1992                 # Yes, we have it...
1993                 AC_MSG_RESULT(yes)
1994                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1995         ], [
1996                 AC_MSG_RESULT(no)
1997         ])
1998         dnl **********************************
1999         dnl *** Check for if_nametoindex   ***
2000         dnl **********************************
2001         AC_MSG_CHECKING(for if_nametoindex)
2002                 AC_TRY_LINK([
2003                 #include <stdio.h>
2004                 #include <sys/types.h>
2005                 #include <sys/socket.h>
2006                 #include <net/if.h>
2007         ], [
2008                 if_nametoindex(NULL);
2009         ], [
2010                 # Yes, we have it...
2011                 AC_MSG_RESULT(yes)
2012                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2013         ], [
2014                 AC_MSG_RESULT(no)
2015         ])
2016
2017         dnl **********************************
2018         dnl *** Checks for MonoPosixHelper ***
2019         dnl **********************************
2020         AC_CHECK_HEADERS(checklist.h)
2021         AC_CHECK_HEADERS(pathconf.h)
2022         AC_CHECK_HEADERS(fstab.h)
2023         AC_CHECK_HEADERS(attr/xattr.h)
2024         AC_CHECK_HEADERS(sys/extattr.h)
2025         AC_CHECK_HEADERS(sys/sendfile.h)
2026         AC_CHECK_HEADERS(sys/statvfs.h)
2027         AC_CHECK_HEADERS(sys/statfs.h)
2028         AC_CHECK_HEADERS(sys/vfstab.h)
2029         AC_CHECK_HEADERS(sys/xattr.h)
2030         AC_CHECK_HEADERS(sys/mman.h)
2031         AC_CHECK_HEADERS(sys/param.h)
2032         AC_CHECK_HEADERS(sys/mount.h, [], [],
2033                 [
2034                 #ifdef HAVE_SYS_PARAM_H
2035                 # include <sys/param.h>
2036                 #endif
2037                 ])
2038         AC_CHECK_HEADERS(sys/mount.h)
2039         AC_CHECK_FUNCS(confstr)
2040         AC_CHECK_FUNCS(seekdir telldir)
2041         AC_CHECK_FUNCS(getdomainname)
2042         AC_CHECK_FUNCS(setdomainname)
2043         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2044         AC_CHECK_FUNCS(setgroups)
2045         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2046         AC_CHECK_FUNCS(getfsstat)
2047         AC_CHECK_FUNCS(lutimes futimes)
2048         AC_CHECK_FUNCS(mremap)
2049         AC_CHECK_FUNCS(remap_file_pages)
2050         AC_CHECK_FUNCS(posix_fadvise)
2051         AC_CHECK_FUNCS(posix_fallocate)
2052         AC_CHECK_FUNCS(posix_madvise)
2053         AC_CHECK_FUNCS(vsnprintf)
2054         AC_CHECK_FUNCS(sendfile)
2055         AC_CHECK_FUNCS(gethostid sethostid)
2056         AC_CHECK_FUNCS(sethostname)
2057         AC_CHECK_FUNCS(statfs)
2058         AC_CHECK_FUNCS(fstatfs)
2059         AC_CHECK_FUNCS(statvfs)
2060         AC_CHECK_FUNCS(fstatvfs)
2061         AC_CHECK_FUNCS(stime)
2062         AC_CHECK_FUNCS(strerror_r)
2063         AC_CHECK_FUNCS(ttyname_r)
2064         AC_CHECK_FUNCS(psignal)
2065         AC_CHECK_FUNCS(getlogin_r)
2066         AC_CHECK_FUNCS(lockf)
2067         AC_CHECK_FUNCS(swab)
2068         AC_CHECK_FUNCS(setusershell endusershell)
2069         AC_CHECK_FUNCS(futimens utimensat)
2070         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2071         AC_CHECK_FUNCS(readv writev preadv pwritev)
2072         AC_CHECK_FUNCS(setpgid)
2073         AC_CHECK_FUNCS(system)
2074         AC_CHECK_FUNCS(fork execv execve)
2075         AC_CHECK_SIZEOF(size_t)
2076         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2077                 [#include <sys/types.h>
2078                  #include <sys/stat.h>
2079                  #include <unistd.h>])
2080         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2081                 [#include <sys/types.h>
2082                  #include <sys/stat.h>
2083                  #include <unistd.h>])
2084         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2085                 [#include <sys/time.h>])
2086         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2087                 [#include <unistd.h>
2088                  #include <fcntl.h>])
2089         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2090                 [#include <sys/uio.h>])
2091         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2092                 [#include <sys/socket.h>])
2093         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2094                 [#include <sys/poll.h>])
2095         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2096                 [#include <sys/socket.h>])
2097         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2098                 [#include <sys/socket.h>])
2099         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2100                 [#include <netinet/in.h>])
2101         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2102                 [#include <netinet/in.h>])
2103         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2104                 [#include <sys/un.h>])
2105         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2106                 [#include <sys/types.h>
2107                  #include <sys/stat.h>
2108                  #include <unistd.h>])
2109         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2110                 [#include <time.h>])
2111         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2112                 [#include <sys/time.h>
2113                  #include <sys/types.h>
2114                  #include <utime.h>])
2115         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2116                 [#include <sys/time.h>])
2117         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2118                 [#include <sys/types.h>
2119                  #include <utime.h>])
2120         AC_CHECK_MEMBERS(
2121                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2122                 [#include <sys/types.h>
2123                  #include <dirent.h>])
2124         AC_CHECK_MEMBERS(
2125                 [struct passwd.pw_gecos],,,
2126                 [#include <sys/types.h>
2127                  #include <pwd.h>])
2128         AC_CHECK_MEMBERS(
2129                 [struct statfs.f_flags],,,
2130                 [#include <sys/types.h>
2131                  #include <sys/vfs.h>])
2132         AC_CHECK_MEMBERS(
2133                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2134                 [#include <sys/types.h>
2135                  #include <sys/stat.h>
2136                  #include <unistd.h>])
2137
2138         dnl Favour xattr through glibc, but use libattr if we have to
2139         AC_CHECK_FUNC(lsetxattr, ,
2140                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2141         )
2142         AC_SUBST(XATTR_LIB)
2143
2144         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2145         AC_CHECK_MEMBERS(
2146                 [struct kinfo_proc.kp_proc],,,
2147                 [#include <sys/types.h>
2148                  #include <sys/param.h>
2149                  #include <sys/sysctl.h>
2150                  #include <sys/proc.h>
2151                  ])
2152
2153         dnl *********************************
2154         dnl *** Checks for Windows compilation ***
2155         dnl *********************************
2156         AC_CHECK_HEADERS(sys/time.h)
2157         AC_CHECK_HEADERS(sys/param.h)
2158         AC_CHECK_HEADERS(dirent.h)
2159
2160         dnl ******************************************
2161         dnl *** Checks for OSX and iOS compilation ***
2162         dnl ******************************************
2163         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2164
2165         dnl *********************************
2166         dnl *** Check for Console 2.0 I/O ***
2167         dnl *********************************
2168         AC_CHECK_HEADERS([curses.h])
2169         AC_CHECK_HEADERS([term.h], [], [],
2170         [#if HAVE_CURSES_H
2171          #include <curses.h>
2172          #endif
2173         ])
2174         AC_CHECK_HEADERS([termios.h])
2175 else
2176         dnl *********************************
2177         dnl *** Checks for Windows compilation ***
2178         dnl *********************************
2179         AC_CHECK_HEADERS(winternl.h)
2180
2181         jdk_headers_found=no
2182         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2183         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2184         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2185         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2186         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2187         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2188         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2189
2190         dnl *********************************
2191         dnl *** Check for struct ip_mreqn ***
2192         dnl *********************************
2193         AC_MSG_CHECKING(for struct ip_mreqn)
2194         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2195                 struct ip_mreqn mreq;
2196                 mreq.imr_address.s_addr = 0;
2197         ], [
2198                 # Yes, we have it...
2199                 AC_MSG_RESULT(yes)
2200                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2201         ], [
2202                 # We'll just have to try and use struct ip_mreq
2203                 AC_MSG_RESULT(no)
2204                 AC_MSG_CHECKING(for struct ip_mreq)
2205                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2206                         struct ip_mreq mreq;
2207                         mreq.imr_interface.s_addr = 0;
2208                 ], [
2209                         # Yes, we have it...
2210                         AC_MSG_RESULT(yes)
2211                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2212                 ], [
2213                         # No multicast support
2214                         AC_MSG_RESULT(no)
2215                 ])
2216         ])
2217
2218         dnl **********************************
2219         dnl *** Check for getaddrinfo ***
2220         dnl **********************************
2221         AC_MSG_CHECKING(for getaddrinfo)
2222                 AC_TRY_LINK([
2223                 #include <stdio.h>
2224                 #include <winsock2.h>
2225                 #include <ws2tcpip.h>
2226         ], [
2227                 getaddrinfo(NULL,NULL,NULL,NULL);
2228         ], [
2229                 # Yes, we have it...
2230                 AC_MSG_RESULT(yes)
2231                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2232         ], [
2233                 AC_MSG_RESULT(no)
2234         ])
2235
2236         dnl **********************************
2237         dnl *** Check for gethostbyname ***
2238         dnl **********************************
2239         AC_MSG_CHECKING(for gethostbyname)
2240                 AC_TRY_LINK([
2241                 #include <stdio.h>
2242                 #include <winsock2.h>
2243                 #include <ws2tcpip.h>
2244         ], [
2245                 gethostbyname(NULL);
2246         ], [
2247                 # Yes, we have it...
2248                 AC_MSG_RESULT(yes)
2249                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2250         ], [
2251                 AC_MSG_RESULT(no)
2252         ])
2253
2254         dnl **********************************
2255         dnl *** Check for getprotobyname ***
2256         dnl **********************************
2257         AC_MSG_CHECKING(for getprotobyname)
2258                 AC_TRY_LINK([
2259                 #include <stdio.h>
2260                 #include <winsock2.h>
2261                 #include <ws2tcpip.h>
2262         ], [
2263                 getprotobyname(NULL);
2264         ], [
2265                 # Yes, we have it...
2266                 AC_MSG_RESULT(yes)
2267                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2268         ], [
2269                 AC_MSG_RESULT(no)
2270         ])
2271
2272         dnl **********************************
2273         dnl *** Check for getnameinfo ***
2274         dnl **********************************
2275         AC_MSG_CHECKING(for getnameinfo)
2276                 AC_TRY_LINK([
2277                 #include <stdio.h>
2278                 #include <winsock2.h>
2279                 #include <ws2tcpip.h>
2280         ], [
2281                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2282         ], [
2283                 # Yes, we have it...
2284                 AC_MSG_RESULT(yes)
2285                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2286         ], [
2287                 AC_MSG_RESULT(no)
2288         ])
2289
2290         dnl **********************************
2291         dnl *** Check for inet_ntop ***
2292         dnl **********************************
2293         AC_MSG_CHECKING(for inet_ntop)
2294                 AC_TRY_LINK([
2295                 #include <stdio.h>
2296                 #include <winsock2.h>
2297                 #include <ws2tcpip.h>
2298         ], [
2299                 inet_ntop (0, NULL, NULL, 0);
2300         ], [
2301                 # Yes, we have it...
2302                 AC_MSG_RESULT(yes)
2303                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2304         ], [
2305                 AC_MSG_RESULT(no)
2306         ])
2307
2308         dnl **********************************
2309         dnl *** Check for inet_pton ***
2310         dnl **********************************
2311         AC_MSG_CHECKING(for inet_pton)
2312                 AC_TRY_LINK([
2313                 #include <stdio.h>
2314                 #include <winsock2.h>
2315                 #include <ws2tcpip.h>
2316         ], [
2317                 inet_pton (0, NULL, NULL);
2318         ], [
2319                 # Yes, we have it...
2320                 AC_MSG_RESULT(yes)
2321                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2322         ], [
2323                 AC_MSG_RESULT(no)
2324         ])
2325
2326         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2327         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2328         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2329         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2330         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2331         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2332         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2333 fi
2334
2335 dnl socklen_t check
2336 AC_MSG_CHECKING(for socklen_t)
2337 AC_TRY_COMPILE([
2338 #include <sys/types.h>
2339 #include <sys/socket.h>
2340 ],[
2341   socklen_t foo;
2342 ],[
2343 ac_cv_c_socklen_t=yes
2344         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2345         AC_MSG_RESULT(yes)
2346 ],[
2347         AC_MSG_RESULT(no)
2348 ])
2349
2350 AC_MSG_CHECKING(for array element initializer support)
2351 AC_TRY_COMPILE([#include <sys/socket.h>], [
2352         const int array[] = {[1] = 2,};
2353 ], [
2354         # Yes, we have it...
2355         AC_MSG_RESULT(yes)
2356         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2357 ], [
2358         # We'll have to use signals
2359         AC_MSG_RESULT(no)
2360 ])
2361
2362 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2363         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2364         AC_TRY_LINK([#include <math.h>],
2365         [ static void *p = &trunc; ],
2366         [
2367                 AC_DEFINE(HAVE_TRUNC)
2368                 AC_MSG_RESULT(yes)
2369                 ac_cv_trunc=yes
2370         ],
2371         AC_MSG_RESULT(no)))
2372
2373 if test "x$ac_cv_truncl" != "xyes"; then
2374    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2375 fi
2376
2377 AC_CHECK_FUNCS(execvp)
2378
2379 dnl ****************************
2380 dnl *** Look for /dev/random ***
2381 dnl ****************************
2382
2383 AC_MSG_CHECKING([if usage of random device is requested])
2384 AC_ARG_ENABLE(dev-random,
2385 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2386 try_dev_random=$enableval, try_dev_random=yes)
2387
2388 AC_MSG_RESULT($try_dev_random)
2389
2390 case "{$build}" in
2391     *-openbsd*)
2392     NAME_DEV_RANDOM="/dev/srandom"
2393     ;;
2394
2395 dnl Win32 does not have /dev/random, they have their own method...
2396
2397     *-mingw*|*-*-cygwin*)
2398     ac_cv_have_dev_random=no
2399     ;;
2400
2401 dnl Everywhere else, it's /dev/random
2402
2403     *)
2404     NAME_DEV_RANDOM="/dev/random"
2405     ;;
2406 esac
2407
2408 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2409
2410 dnl Now check if the device actually exists
2411
2412 if test "x$try_dev_random" = "xyes"; then
2413     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2414     [if test -r "$NAME_DEV_RANDOM" ; then
2415         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2416     if test "x$ac_cv_have_dev_random" = "xyes"; then
2417         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2418     fi
2419 else
2420     AC_MSG_CHECKING(for random device)
2421     ac_cv_have_dev_random=no
2422     AC_MSG_RESULT(has been disabled)
2423 fi
2424
2425 if test "x$host_win32" = "xyes"; then
2426     AC_DEFINE(HAVE_CRYPT_RNG)
2427 fi
2428
2429 if test "x$ac_cv_have_dev_random" = "xno" \
2430     && test "x$host_win32" = "xno"; then
2431     AC_MSG_WARN([[
2432 ***
2433 *** A system-provided entropy source was not found on this system.
2434 *** Because of this, the System.Security.Cryptography random number generator
2435 *** will throw a NotImplemented exception.
2436 ***
2437 *** If you are seeing this message, and you know your system DOES have an
2438 *** entropy collection in place, please contact <crichton@gimp.org> and
2439 *** provide information about the system and how to access the random device.
2440 ***
2441 *** Otherwise you can install either egd or prngd and set the environment
2442 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2443 ***]])
2444 fi
2445
2446 AC_MSG_CHECKING([if inter-process shared handles are requested])
2447 # Same as --enable-minimal=shared_handles
2448 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=no)
2449 AC_MSG_RESULT($try_shared_handles)
2450 if test "x$try_shared_handles" != "xyes"; then
2451         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2452         AC_SUBST(DISABLE_SHARED_HANDLES)
2453 fi
2454
2455 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2456
2457 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2458 if test "x$test_perf_events" == "xyes"; then
2459         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2460         AC_SUBST(ENABLE_PERF_EVENTS)
2461 fi
2462
2463 AC_MSG_CHECKING([if big-arrays are to be enabled])
2464 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2465 if test "x$enable_big_arrays" = "xyes" ; then
2466     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2467         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2468     else
2469         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2470     fi
2471 fi
2472 AC_MSG_RESULT($enable_big_arrays)
2473
2474 dnl **************
2475 dnl *** DTRACE ***
2476 dnl **************
2477
2478 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2479
2480 if test "x$enable_dtrace" = "xyes"; then
2481    if test "x$has_dtrace" = "xno"; then
2482           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2483    fi
2484    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2485    if test "x$DTRACE" = "xno"; then
2486           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2487           enable_dtrace=no
2488    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2489           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2490           enable_dtrace=no
2491    fi
2492 fi
2493
2494 dtrace_g=no
2495 if test "x$enable_dtrace" = "xyes"; then
2496         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2497         DTRACEFLAGS=
2498         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2499                 case "$host" in
2500                         powerpc-*-darwin*)
2501                         DTRACEFLAGS="-arch ppc64"
2502                         ;;
2503                         i*86-*-darwin*)
2504                         DTRACEFLAGS="-arch x86_64"
2505                         ;;
2506                         *)
2507                         DTRACEFLAGS=-64
2508                         ;;
2509                 esac
2510         else
2511                 case "$host" in
2512                         powerpc-*-darwin*)
2513                         DTRACEFLAGS="-arch ppc"
2514                         ;;
2515                         i*86-*-darwin*)
2516                         DTRACEFLAGS="-arch i386"
2517                         ;;
2518                         *)
2519                         DTRACEFLAGS=-32
2520                         ;;
2521                 esac
2522         fi
2523         AC_SUBST(DTRACEFLAGS)
2524         case "$host" in
2525                 *-*-solaris*)
2526                 dtrace_g=yes
2527                 ;;
2528         esac
2529         AC_CHECK_HEADERS([sys/sdt.h])
2530 fi
2531 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2532 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2533
2534 dnl **************
2535 dnl ***  NaCl  ***
2536 dnl **************
2537
2538 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2539 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2540
2541 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2542
2543 dnl
2544 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2545 dnl
2546 nacl_self_host=""
2547 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2548    nacl_self_host="nacl_self_host"
2549 fi
2550 AC_SUBST(nacl_self_host)
2551
2552 if test "x$enable_nacl_codegen" = "xyes"; then
2553    MONO_NACL_ALIGN_MASK_OFF=1
2554    AC_DEFINE(TARGET_NACL, 1, [...])
2555    AC_DEFINE(__native_client_codegen__, 1, [...])
2556 else
2557    MONO_NACL_ALIGN_MASK_OFF=0
2558    AC_DEFINE(__default_codegen__, 1, [...])
2559 fi
2560 if test "x$enable_nacl_gc" = "xyes"; then
2561    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2562       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2563    else
2564       # Not yet implemented
2565       INSTRUMENT_CFLAG=""
2566    fi
2567    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2568 fi
2569 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2570
2571 dnl **************
2572 dnl ***  LLVM  ***
2573 dnl **************
2574
2575 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2576 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2577 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2578
2579 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2580
2581 if test "x$enable_llvm" = "xyes"; then
2582    if test "x$with_llvm" != "x"; then
2583           LLVM_CONFIG=$with_llvm/bin/llvm-config
2584           if test x$host_win32 = xyes; then
2585                 LLVM_CONFIG=$LLVM_CONFIG.exe
2586           fi
2587           if test ! -x $LLVM_CONFIG; then
2588                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2589       fi
2590    else
2591       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2592       if test "x$LLVM_CONFIG" = "xno"; then
2593              AC_MSG_ERROR([llvm-config not found.])
2594       fi
2595    fi
2596
2597    llvm_codegen="x86codegen"
2598    case "$target" in
2599    arm*)
2600                 llvm_codegen="armcodegen"
2601                 ;;
2602    esac
2603
2604    if test "x$host_win32" = "xno"; then
2605
2606    # The output of --cflags seems to include optimizations flags too
2607    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2608    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2609    # from LLVM classes.
2610    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2611    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2612    # This might include empty lines
2613    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2614    if test "x$host" != "x$target"; then
2615       # No need for jit libs
2616       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2617    else
2618       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2619    fi
2620    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2621
2622    expected_llvm_version="3.4svn-mono-mono/e656cac"
2623
2624    # Should be something like '2.6' or '2.7svn'
2625    llvm_version=`$LLVM_CONFIG --version`
2626    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2627    AC_MSG_CHECKING(LLVM version)
2628    AC_MSG_RESULT($llvm_version)
2629    if echo $llvm_version | grep -q 'mono'; then
2630           if test "x$enable_llvm_version_check" == "xyes"; then
2631                  if test "$llvm_version" != "$expected_llvm_version"; then
2632                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2633                  fi
2634           fi
2635    else
2636           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2637    fi
2638
2639    else
2640        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2641        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2642        LLVM_LDFLAGS="-L$with_llvm/lib"
2643        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2644        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2645          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2646          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2647          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2648          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2649          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2650          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2651          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2652          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2653          -lLLVMSupport -lstdc++"
2654        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2655
2656        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2657        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2658    fi
2659
2660    if test "x$llvm_api_version" = "x"; then
2661           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2662           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2663    else
2664           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2665           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2666    fi
2667
2668    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2669
2670    AC_SUBST(LLVM_CFLAGS)
2671    AC_SUBST(LLVM_CXXFLAGS)
2672    AC_SUBST(LLVM_LIBS)
2673    AC_SUBST(LLVM_LDFLAGS)
2674    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2675 fi
2676
2677 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2678 if test "x$enable_loadedllvm" = "xyes"; then
2679    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2680 fi
2681 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2682
2683 TARGET="unknown"
2684 ACCESS_UNALIGNED="yes"
2685
2686 LIBC="libc.so.6"
2687 INTL="libc.so.6"
2688 SQLITE="libsqlite.so.0"
2689 SQLITE3="libsqlite3.so.0"
2690 X11="libX11.so"
2691 GDKX11="libgdk-x11-2.0.so.0"
2692 GTKX11="libgtk-x11-2.0.so.0"
2693 XINERAMA="libXinerama.so.1"
2694
2695 sizeof_register="SIZEOF_VOID_P"
2696
2697 jit_wanted=true
2698 boehm_supported=true
2699 case "$host" in
2700         mips*)
2701                 TARGET=MIPS;
2702                 arch_target=mips;
2703                 ACCESS_UNALIGNED="no"
2704
2705                 AC_MSG_CHECKING(for mips n32)
2706                 AC_TRY_COMPILE([],[
2707                 #if _MIPS_SIM != _ABIN32
2708                 #error Not mips n32
2709                 #endif
2710                 return 0;
2711                 ],[
2712                 AC_MSG_RESULT(yes)
2713                 sizeof_register=8
2714                 ],[
2715                 AC_MSG_RESULT(no)
2716                 ])
2717                 ;;
2718         i*86-*-*)
2719                 TARGET=X86;
2720                 arch_target=x86;
2721                 case $host_os in
2722                   solaris*)
2723                         LIBC="libc.so"
2724                         INTL="libintl.so"
2725                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2726                                 TARGET=AMD64
2727                                 arch_target=amd64
2728                         fi
2729
2730                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2731                         # int astruct __attribute__ ((visibility ("hidden")));
2732                         # void foo ()
2733                         # {
2734                         #       void *p = &astruct;
2735                         # }
2736                         # gcc -fPIC --shared -o libfoo.so foo.c
2737                         # yields:
2738                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2739                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2740                         have_visibility_hidden=no
2741                         ;;
2742                   mingw*|cygwin*)
2743                         have_visibility_hidden=no
2744                         ;;
2745                   haiku*)
2746                         LIBC=libroot.so
2747                         ;;
2748                   linux*)
2749                         AOT_SUPPORTED="yes"
2750                         ;;
2751                   darwin*)
2752                         AOT_SUPPORTED="yes"
2753                         ;;
2754                   openbsd*|freebsd*|kfreebsd-gnu*)
2755                         ;;
2756                 esac
2757                 ;;
2758         x86_64-*-* | amd64-*-*)
2759                 TARGET=AMD64;
2760                 arch_target=amd64;
2761                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2762                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2763                         sizeof_register=8
2764                 fi
2765                 case $host_os in
2766                   linux*)
2767                         AOT_SUPPORTED="yes"
2768                         ;;
2769                   darwin*)
2770                         AOT_SUPPORTED="yes"
2771                         ;;
2772                   openbsd*|freebsd*|kfreebsd-gnu*)
2773                         ;;
2774                   mingw*)
2775                         ;;
2776                 esac
2777                 case "$host" in
2778                         x86_64-*-nacl*)
2779                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2780                                 sizeof_register=8
2781                                 ;;
2782                 esac
2783                 ;;
2784         ia64-*-*)
2785                 TARGET=IA64
2786                 arch_target=ia64
2787                 ACCESS_UNALIGNED="no"
2788                 LIBC="libc.so.6.1"
2789                 INTL="libc.so.6.1"
2790                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2791                 libmono_ldflags="-lunwind"
2792                 ;;
2793         sparc*-*-*)
2794                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2795                    TARGET=SPARC64
2796                 else
2797                         TARGET=SPARC
2798                 fi
2799                 arch_target=sparc;
2800                 ACCESS_UNALIGNED="no"
2801                 case $host_os in
2802                   linux*) ;;
2803                   *)
2804                         LIBC="libc.so"
2805                         INTL="libintl.so"
2806                 esac
2807                 if test x"$GCC" = xyes; then
2808                         # We don't support v8 cpus
2809                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2810                 fi
2811                 if test x"$AR" = xfalse; then
2812                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2813                 fi
2814                 ;;
2815         *-mingw*|*-*-cygwin*)
2816                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2817                 have_visibility_hidden=no
2818                 INTL="intl"
2819                 ;;
2820         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2821         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2822                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2823                         TARGET=POWERPC64;
2824                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2825                         CFLAGS="$CFLAGS -mminimal-toc"
2826                 else
2827                         TARGET=POWERPC;
2828                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2829                 fi
2830                 arch_target=ppc;
2831                 case $host_os in
2832                   linux*|darwin*)
2833                         ;;
2834                 esac
2835                 ;;
2836         armv7k-*-darwin*)
2837                 TARGET=ARM;
2838                 TARGET_SYS=WATCHOS
2839                 arch_target=arm;
2840                 ACCESS_UNALIGNED="no"
2841                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2842                 ;;
2843
2844         arm*-darwin*)
2845                 TARGET=ARM;
2846                 arch_target=arm;
2847                 ACCESS_UNALIGNED="no"
2848                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2849                 ;;
2850         arm*-linux*)
2851                 TARGET=ARM;
2852                 arch_target=arm;
2853                 ACCESS_UNALIGNED="no"
2854                 AOT_SUPPORTED="yes"
2855                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2856                 ;;
2857 # TODO: make proper support for NaCl host.
2858 #        arm*-*nacl)
2859 #               TARGET=ARM;
2860 #               arch_target=arm;
2861 #               ACCESS_UNALIGNED="no"
2862 #               AOT_SUPPORTED="no"
2863 #               ;;
2864         aarch64-*)
2865                 # https://lkml.org/lkml/2012/7/15/133
2866                 TARGET=ARM64
2867                 arch_target=arm64
2868                 boehm_supported=false
2869                 ;;
2870         s390x-*-linux*)
2871                 TARGET=S390X;
2872                 arch_target=s390x;
2873                 ACCESS_UNALIGNED="yes"
2874                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2875                 ;;
2876 esac
2877
2878 HOST=$TARGET
2879
2880 if test "x$host" != "x$target"; then
2881    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2882    enable_mcs_build=no
2883    case "$target" in
2884    arm*-darwin*)
2885                 TARGET=ARM;
2886                 arch_target=arm;
2887                 ACCESS_UNALIGNED="no"
2888                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2889                 # Can't use tls, since it depends on the runtime detection of tls offsets
2890                 # in mono-compiler.h
2891                 with_tls=pthread
2892                 case "$target" in
2893                 armv7k-*)
2894                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
2895                         ;;
2896                 esac
2897                 ;;
2898    powerpc64-ps3-linux-gnu)
2899                 TARGET=POWERPC64
2900                 arch_target=powerpc64
2901                 AC_DEFINE(TARGET_PS3, 1, [...])
2902                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2903                 # uses this define
2904                 AC_DEFINE(__mono_ppc64__, 1, [...])
2905                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2906                 sizeof_register=8
2907                 target_byte_order=G_BIG_ENDIAN
2908                 ;;
2909    powerpc64-xbox360-linux-gnu)
2910                 TARGET=POWERPC64
2911                 arch_target=powerpc64
2912                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2913                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2914                 # uses this define
2915                 sizeof_register=8
2916                 target_byte_order=G_BIG_ENDIAN
2917                 ;;
2918    x86_64-*-nacl)
2919                 TARGET=AMD64
2920                 arch_target=amd64
2921                 AC_DEFINE(TARGET_AMD64, 1, [...])
2922                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2923                 sizeof_register=8
2924                 ;;
2925 # TODO: make proper support for NaCl target.
2926 #   arm*-*nacl)
2927 #               TARGET=ARM
2928 #               arch_target=arm
2929 #               AC_DEFINE(TARGET_ARM, 1, [...])
2930 #               ACCESS_UNALIGNED="no"
2931 #               sizeof_register=4
2932 #               CPPFLAGS="$CPPFLAGS \
2933 #                    -D__ARM_EABI__ \
2934 #                    -D__arm__ \
2935 #                    -D__portable_native_client__ \
2936 #                    -Dtimezone=_timezone \
2937 #                    -DDISABLE_SOCKETS \
2938 #                    -DDISABLE_ATTACH \
2939 #                    -DUSE_NEWLIB"
2940                 # Can't use tls, since it depends on the runtime detection of tls offsets
2941                 # in mono-compiler.h
2942 #               with_tls=pthread
2943 #               ;;
2944    i686-*-nacl)
2945                 TARGET=X86
2946                 arch_target=x86
2947                 AC_DEFINE(TARGET_X86, 1, [...])
2948                 sizeof_register=4
2949                 ;;
2950    arm*-linux-*)
2951                 TARGET=ARM;
2952                 arch_target=arm;
2953                 AC_DEFINE(TARGET_ARM, 1, [...])
2954                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2955                 ACCESS_UNALIGNED="no"
2956                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2957                 # Can't use tls, since it depends on the runtime detection of tls offsets
2958                 # in mono-compiler.h
2959                 with_tls=pthread
2960                 target_mach=no
2961                 case "$target" in
2962                 armv7l-unknown-linux-gnueabi*)
2963                         # TEGRA
2964                         CPPFLAGS="$CPPFLAGS"
2965                         ;;
2966                 armv5-*-linux-androideabi*)
2967                         CPPFLAGS="$CPPFLAGS"
2968                         ;;
2969                 esac
2970                 ;;
2971    i686*-linux-*)
2972                 TARGET=X86;
2973                 arch_target=x86;
2974                 AC_DEFINE(TARGET_X86, 1, [...])
2975                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2976                 CPPFLAGS="$CPPFLAGS"
2977                 # Can't use tls, since it depends on the runtime detection of tls offsets
2978                 # in mono-compiler.h
2979                 with_tls=pthread
2980                 target_mach=no
2981                 ;;
2982    x86_64*-linux-*)
2983                 TARGET=AMD64;
2984                 arch_target=amd64;
2985                 AC_DEFINE(TARGET_AMD64, 1, [...])
2986                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2987                 CPPFLAGS="$CPPFLAGS"
2988                 # Can't use tls, since it depends on the runtime detection of tls offsets
2989                 # in mono-compiler.h
2990                 with_tls=pthread
2991                 target_mach=no
2992                 ;;
2993    x86_64-ps4-freebsd)
2994                 TARGET=AMD64;
2995                 arch_target=amd64;
2996                 AC_DEFINE(TARGET_AMD64, 1, [...])
2997                 AC_DEFINE(TARGET_PS4, 1, [...])
2998                 CPPFLAGS="$CPPFLAGS"
2999                 # Can't use tls, since it depends on the runtime detection of tls offsets
3000                 # in mono-compiler.h
3001                 with_tls=pthread
3002                 target_mach=no
3003                 target_win32=no
3004                 ;;
3005    aarch64*-linux-*)
3006                 TARGET=ARM64;
3007                 arch_target=arm64;
3008                 AC_DEFINE(TARGET_ARM64, 1, [...])
3009                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3010                 CPPFLAGS="$CPPFLAGS"
3011                 # Can't use tls, since it depends on the runtime detection of tls offsets
3012                 # in mono-compiler.h
3013                 with_tls=pthread
3014                 target_mach=no
3015                 ;;
3016         aarch64-*)
3017                 TARGET=ARM64
3018                 ;;
3019         *)
3020                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3021         esac
3022 fi
3023
3024 case "$TARGET" in
3025 X86)
3026         AC_DEFINE(TARGET_X86, 1, [...])
3027         ;;
3028 AMD64)
3029         AC_DEFINE(TARGET_AMD64, 1, [...])
3030         ;;
3031 ARM)
3032         AC_DEFINE(TARGET_ARM, 1, [...])
3033         ;;
3034 ARM64)
3035         AC_DEFINE(TARGET_ARM64, 1, [...])
3036         ;;
3037 POWERPC)
3038         AC_DEFINE(TARGET_POWERPC, 1, [...])
3039         ;;
3040 POWERPC64)
3041         AC_DEFINE(TARGET_POWERPC, 1, [...])
3042         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3043         ;;
3044 S390X)
3045         AC_DEFINE(TARGET_S390X, 1, [...])
3046         ;;
3047 MIPS)
3048         AC_DEFINE(TARGET_MIPS, 1, [...])
3049         ;;
3050 IA64)
3051         AC_DEFINE(TARGET_IA64, 1, [...])
3052         ;;
3053 SPARC)
3054         AC_DEFINE(TARGET_SPARC, 1, [...])
3055         ;;
3056 SPARC64)
3057         AC_DEFINE(TARGET_SPARC64, 1, [...])
3058         ;;
3059 esac
3060
3061 dnl *************
3062 dnl *** VTUNE ***
3063 dnl *************
3064
3065 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3066 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3067
3068 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3069
3070 if test "x$enable_vtune" = "xyes"; then
3071         if test "x$with_vtune" = "x"; then
3072                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3073         else
3074                 VTUNE_PATH=$with_vtune
3075         fi
3076         VTUNE_INCLUDE=$VTUNE_PATH/include
3077         case "$TARGET" in
3078         X86)
3079                 VTUNE_LIB=$VTUNE_PATH/lib32
3080                 ;;
3081         AMD64)
3082                 VTUNE_LIB=$VTUNE_PATH/lib64
3083                 ;;
3084         *)
3085                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3086                 ;;
3087         esac
3088         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3089                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3090         fi
3091         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3092                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3093         fi
3094
3095         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3096         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3097
3098         AC_SUBST(VTUNE_LIBS)
3099         AC_SUBST(VTUNE_CFLAGS)
3100 fi
3101 dnl Use GCC atomic ops if they work on the target.
3102 if test x$GCC = "xyes"; then
3103         case $TARGET in
3104         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3105                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3106                 ;;
3107         esac
3108 fi
3109
3110 if test "x$target_mach" = "xyes"; then
3111
3112    if test "x$TARGET_SYS" = "xWATCHOS"; then
3113           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3114           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3115           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3116    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3117           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3118           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3119           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3120    else
3121        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3122        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3123        #error fail this for ios
3124        #endif
3125        return 0;
3126        ], [
3127                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3128           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3129           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3130        ], [
3131           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3132           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3133           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3134        ])
3135         fi
3136    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3137 fi
3138
3139 if test "x$sizeof_register" = "x4"; then
3140    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3141 elif test "x$sizeof_register" = "x8"; then
3142    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3143 else
3144    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3145 fi
3146
3147 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3148    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3149 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3150    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3151 else
3152    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3153 fi
3154
3155 if test "x$have_visibility_hidden" = "xyes"; then
3156    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3157 fi
3158
3159 if test "x$have_deprecated" = "xyes"; then
3160    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3161 fi
3162
3163 dnl
3164 dnl Simple Generational checks (sgen)
3165 dnl
3166 SGEN_DEFINES=
3167 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3168 if test x$buildsgen = xyes; then
3169    SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3170    gc_msg="sgen and $gc_msg"
3171 fi
3172 AC_SUBST(SGEN_DEFINES)
3173 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3174
3175 jit_status="Building and using the JIT"
3176
3177 libsuffix=".so"
3178
3179 case "$host" in
3180      *-*-darwin*)
3181         libsuffix=".dylib"
3182         LIBC="libc.dylib"
3183         INTL="libintl.dylib"
3184         SQLITE="libsqlite.0.dylib"
3185         SQLITE3="libsqlite3.0.dylib"
3186         X11="libX11.dylib"
3187         GDKX11="libgdk-x11-2.0.dylib"
3188         GTKX11="libgtk-x11-2.0.dylib"
3189         ;;
3190      *-*-*netbsd*)
3191         LIBC="libc.so.12"
3192         INTL="libintl.so.0"
3193         ;;
3194      *-*-kfreebsd*-gnu)
3195         LIBC="libc.so.0.1"
3196         INTL="libc.so.0.1"
3197         X11="libX11.so.6"
3198         ;;
3199     *-*-*freebsd*)
3200         LIBC="libc.so.7"
3201         INTL="libintl.so"
3202         SQLITE="libsqlite.so"
3203         SQLITE3="libsqlite3.so"
3204         ;;
3205     *-*-*openbsd*)
3206         LIBC="libc.so"
3207         INTL="libintl.so"
3208         SQLITE="libsqlite.so"
3209         SQLITE3="libsqlite3.so"
3210         ;;
3211     *-*-*linux*)
3212         AC_PATH_X
3213         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3214         AC_MSG_CHECKING(for the soname of libX11.so)
3215         for i in $x_libraries $dlsearch_path; do
3216                 for r in 4 5 6; do
3217                         if test -f $i/libX11.so.$r; then
3218                                 X11=libX11.so.$r
3219                                 AC_MSG_RESULT($X11)
3220                         fi
3221                 done
3222         done
3223
3224         if test "x$X11" = "xlibX11.so"; then
3225                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3226                 X11=libX11.so.6
3227         fi
3228         ;;
3229 esac
3230
3231
3232 AC_SUBST(libsuffix)
3233
3234 AC_ARG_WITH([libgdiplus],
3235         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3236         [], [with_libgdiplus=installed])
3237
3238 # default install location
3239 libgdiplus_install_loc=libgdiplus${libsuffix}
3240 case $with_libgdiplus in
3241     no|installed)
3242     libgdiplus_loc=
3243     ;;
3244
3245     yes|sibling)
3246     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3247     ;;
3248
3249     /*) # absolute path, assume it is an install location
3250     libgdiplus_loc=$with_libgdiplus
3251     libgdiplus_install_loc=$with_libgdiplus
3252     ;;
3253
3254     *)
3255     libgdiplus_loc=`pwd`/$with_libgdiplus
3256     ;;
3257 esac
3258 AC_SUBST([libgdiplus_loc])
3259 AC_SUBST([libgdiplus_install_loc])
3260
3261 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3262 if test "x$icall_symbol_map" = "xyes"; then
3263    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3264 fi
3265
3266 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3267 if test "x$icall_export" = "xyes"; then
3268    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3269 fi
3270
3271 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3272 if test "x$icall_tables" = "xno"; then
3273    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3274 fi
3275
3276 if test "x$with_tls" = "x__thread"; then
3277         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3278         # Pass the information to libgc
3279         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3280         AC_MSG_CHECKING(if the tls_model attribute is supported)
3281         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3282                 ], [
3283                         AC_MSG_RESULT(yes)
3284                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3285                 ], [
3286                         AC_MSG_RESULT(no)
3287         ])
3288 fi
3289
3290 if test ${TARGET} = ARM; then
3291         dnl ******************************************
3292         dnl *** Check to see what FPU is available ***
3293         dnl ******************************************
3294         AC_MSG_CHECKING(which FPU to use)
3295
3296         #
3297         # This is a bit tricky:
3298         #
3299         # if (__ARM_PCS_VFP) {
3300         #       /* mfloat-abi=hard == VFP with hard ABI */
3301         # } elif (!__SOFTFP__) {
3302         #       /* mfloat-abi=softfp == VFP with soft ABI */
3303         # } else {
3304         #       /* mfloat-abi=soft == no VFP */
3305         # }
3306         #
3307         # The exception is iOS (w/ GCC) where none of the above
3308         # are defined (but iOS always uses the 'softfp' ABI).
3309         #
3310         # No support for FPA.
3311         #
3312
3313         fpu=NONE
3314
3315         # iOS GCC always uses the 'softfp' ABI.
3316         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3317                 fpu=VFP
3318         fi
3319
3320         # Are we using the 'hard' ABI?
3321         if test x$fpu = xNONE; then
3322                 AC_TRY_COMPILE([], [
3323                         #ifndef __ARM_PCS_VFP
3324                         #error "Float ABI is not 'hard'"
3325                         #endif
3326                         return 0;
3327                 ], [
3328                         fpu=VFP_HARD
3329                 ], [
3330                         fpu=NONE
3331                 ])
3332         fi
3333
3334         # No 'hard' ABI. 'soft' or 'softfp'?
3335         if test x$fpu = xNONE; then
3336                 AC_TRY_COMPILE([], [
3337                         #ifdef __SOFTFP__
3338                         #error "Float ABI is not 'softfp'"
3339                         #endif
3340                         return 0;
3341                 ], [
3342                         fpu=VFP
3343                 ], [
3344                         fpu=NONE
3345                 ])
3346         fi
3347
3348         AC_MSG_RESULT($fpu)
3349         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3350         unset fpu
3351
3352         dnl *********************************************
3353         dnl *** Check which ARM version(s) we can use ***
3354         dnl *********************************************
3355         AC_MSG_CHECKING(which ARM version to use)
3356
3357         AC_TRY_COMPILE([], [
3358                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3359                 #error Not on ARM v5.
3360                 #endif
3361                 return 0;
3362         ], [
3363                 arm_v5=yes
3364
3365                 arm_ver=ARMv5
3366         ], [])
3367
3368         AC_TRY_COMPILE([], [
3369                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3370                 #error Not on ARM v6.
3371                 #endif
3372                 return 0;
3373         ], [
3374                 arm_v5=yes
3375                 arm_v6=yes
3376
3377                 arm_ver=ARMv6
3378         ], [])
3379
3380         AC_TRY_COMPILE([], [
3381                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3382                 #error Not on ARM v7.
3383                 #endif
3384                 return 0;
3385         ], [
3386                 arm_v5=yes
3387                 arm_v6=yes
3388                 arm_v7=yes
3389
3390                 arm_ver=ARMv7
3391         ], [])
3392
3393         AC_MSG_RESULT($arm_ver)
3394
3395         if test x$arm_v5 = xyes; then
3396                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3397                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3398         fi
3399
3400         if test x$arm_v6 = xyes; then
3401                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3402                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3403         fi
3404
3405         if test x$arm_v7 = xyes; then
3406                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3407                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3408         fi
3409 fi
3410
3411 if test ${TARGET} = ARM; then
3412         if test "x${with_jumptables}" = "xyes"; then
3413                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3414         fi
3415 fi
3416
3417 if test ${TARGET} = unknown; then
3418         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3419         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3420 fi
3421
3422 if test ${ACCESS_UNALIGNED} = no; then
3423         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3424 fi
3425
3426 case "x$libgc" in
3427         xincluded)
3428                 # Pass CPPFLAGS to libgc configure
3429                 # We should use a separate variable for this to avoid passing useless and
3430                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3431                 # This should be executed late so we pick up the final version of CPPFLAGS
3432                 # The problem with this approach, is that during a reconfigure, the main
3433                 # configure scripts gets invoked with these arguments, so we use separate
3434                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3435                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3436                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3437                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3438                 fi
3439                 # Don't pass -finstrument-for-thread-suspension in,
3440                 # if these are instrumented it will be very bad news
3441                 # (infinite recursion, undefined parking behavior, etc)
3442                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3443                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3444                 if test "x$support_boehm" = "xyes"; then
3445                         AC_CONFIG_SUBDIRS(libgc)
3446                 fi
3447                 ;;
3448 esac
3449
3450 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.6 FX (defaults to yes)],                 [], [with_profile4_x=yes])
3451 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=no])
3452 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=no])
3453 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=no])
3454 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=no])
3455
3456 OPROFILE=no
3457 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3458         if test x$with_oprofile != xno; then
3459             oprofile_include=$with_oprofile/include
3460             if test ! -f $oprofile_include/opagent.h; then
3461                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3462                 fi
3463             OPROFILE=yes
3464                 OPROFILE_CFLAGS="-I$oprofile_include"
3465             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3466             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3467         fi
3468 ])
3469
3470 MALLOC_MEMPOOLS=no
3471 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3472         if test x$with_malloc_mempools = xyes; then
3473                 MALLOC_MEMPOOLS=yes
3474                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3475         fi
3476 ])
3477
3478
3479 DISABLE_MCS_DOCS=no
3480 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3481         if test x$with_mcs_docs != xyes; then
3482                 DISABLE_MCS_DOCS=yes
3483         fi
3484 ])
3485 if test x$with_profile4_x != xyes; then
3486         DISABLE_MCS_DOCS=yes
3487 fi
3488
3489 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)],[
3490         if test x$with_lazy_gc_thread_creation != xno ; then
3491                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3492         fi
3493 ], [with_lazy_gc_thread_creation=no])
3494
3495 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3496         if test x$with_cooperative_gc != xno ; then
3497                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3498         fi
3499 ], [with_cooperative_gc=no])
3500
3501 AC_ARG_WITH(checked_build, [  --with-checked-build=yes|no      Enable checked build (expensive asserts)) (defaults to no)],[
3502         if test x$with_checked_build != xno ; then
3503                 AC_DEFINE(CHECKED_BUILD,1,[Enable checked build.])
3504         fi
3505 ], [with_checked_build=no])
3506
3507
3508 AC_CHECK_HEADER([malloc.h],
3509                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3510                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3511
3512 if test x"$GCC" = xyes; then
3513         # Implicit function declarations are not 64 bit safe
3514         # Do this late, since this causes lots of configure tests to fail
3515         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3516         # jay has a lot of implicit declarations
3517         JAY_CFLAGS="-Wno-implicit-function-declaration"
3518 fi
3519
3520 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3521 # instead of libmono-static.a
3522 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3523    LIBMONO_LA=libmini-static.la
3524 else
3525    if test x$buildsgen = xyes; then
3526       LIBMONO_LA=libmonosgen-$API_VER.la
3527    else
3528       LIBMONO_LA=libmonoboehm-$API_VER.la
3529    fi
3530 fi
3531 AC_SUBST(LIBMONO_LA)
3532
3533 dnl
3534 dnl Consistency settings
3535 dnl
3536 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3537    DISABLE_MCS_DOCS=yes
3538    with_profile4_x=no
3539    with_monodroid=no
3540    with_monotouch=no
3541    with_monotouch_watch=no
3542    with_xammac=no
3543 fi
3544
3545 if test x$DISABLE_MCS_DOCS = xyes; then
3546    docs_dir=""
3547 else
3548    docs_dir=docs
3549 fi
3550 AC_SUBST(docs_dir)
3551
3552 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3553 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3554
3555 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3556 AC_SUBST(OPROFILE_CFLAGS)
3557 AC_SUBST(OPROFILE_LIBS)
3558
3559 libmono_ldflags="$libmono_ldflags $LIBS"
3560
3561 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3562 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3563 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3564 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
3565 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3566
3567 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3568 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3569 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3570 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3571 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3572 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3573 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3574 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3575 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3576 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3577 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3578 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3579 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3580 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3581 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3582 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3583 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3584 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3585
3586 AC_SUBST(LIBC)
3587 AC_SUBST(INTL)
3588 AC_SUBST(SQLITE)
3589 AC_SUBST(SQLITE3)
3590 AC_SUBST(X11)
3591 AC_SUBST(GDKX11)
3592 AC_SUBST(GTKX11)
3593 AC_SUBST(XINERAMA)
3594 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3595 AC_SUBST(arch_target)
3596 AC_SUBST(CFLAGS)
3597 AC_SUBST(CPPFLAGS)
3598 AC_SUBST(LDFLAGS)
3599
3600 mono_build_root=`pwd`
3601 AC_SUBST(mono_build_root)
3602
3603 mono_runtime=mono/mini/mono
3604 AC_SUBST(mono_runtime)
3605
3606 mono_cfg_root=$mono_build_root/runtime
3607 if test x$host_win32 = xyes; then
3608   if test "x$cross_compiling" = "xno"; then
3609     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3610   else
3611     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3612   fi
3613 else
3614   mono_cfg_dir=$mono_cfg_root/etc
3615 fi
3616 AC_SUBST(mono_cfg_dir)
3617
3618 default_profile=net_4_x
3619 if test -z "$INSTALL_MONODROID_TRUE"; then :
3620    default_profile=monodroid
3621 fi
3622 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3623    default_profile=monotouch
3624 fi
3625 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3626    default_profile=xammac
3627 fi
3628 if test -z "$INSTALL_4_x_TRUE"; then :
3629    default_profile=net_4_x
3630 fi
3631 DEFAULT_PROFILE=$default_profile
3632 AC_SUBST(DEFAULT_PROFILE)
3633
3634 AC_CONFIG_FILES([po/mcs/Makefile.in])
3635
3636 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3637 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3638
3639 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3640 [   depth=../../../..
3641     case $srcdir in
3642     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3643     .) reldir=$depth ;;
3644     *) reldir=$depth/$srcdir ;;
3645     esac
3646     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3647     cd runtime/etc/mono/1.0
3648     rm -f machine.config
3649     $LN_S $reldir/data/net_1_1/machine.config machine.config
3650     cd $depth
3651 ],[LN_S='$LN_S'])
3652
3653 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3654 [   depth=../../../..
3655     case $srcdir in
3656     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3657     .) reldir=$depth ;;
3658     *) reldir=$depth/$srcdir ;;
3659     esac
3660     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3661     cd runtime/etc/mono/2.0
3662     rm -f machine.config
3663     $LN_S $reldir/data/net_2_0/machine.config machine.config
3664     cd $depth
3665 ],[LN_S='$LN_S'])
3666
3667 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3668 [   depth=../../../..
3669     case $srcdir in
3670     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3671     .) reldir=$depth ;;
3672     *) reldir=$depth/$srcdir ;;
3673     esac
3674     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3675     cd runtime/etc/mono/2.0
3676     rm -f web.config
3677     $LN_S $reldir/data/net_2_0/web.config web.config
3678     cd $depth
3679 ],[LN_S='$LN_S'])
3680
3681 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3682 [   depth=../../..
3683     case $srcdir in
3684     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3685     .) reldir=$depth ;;
3686     *) reldir=$depth/$srcdir ;;
3687     esac
3688     $ac_aux_dir/install-sh -d runtime/etc/mono/
3689     cd runtime/etc/mono/
3690     rm -f browscap.ini
3691     $LN_S $reldir/data/browscap.ini browscap.ini
3692     cd $depth
3693 ],[LN_S='$LN_S'])
3694
3695 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3696 [   depth=../../../../..
3697     case $srcdir in
3698     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3699     .) reldir=$depth ;;
3700     *) reldir=$depth/$srcdir ;;
3701     esac
3702     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3703     cd runtime/etc/mono/2.0/Browsers
3704     rm -f Compat.browser
3705     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3706     cd $depth
3707 ],[LN_S='$LN_S'])
3708
3709 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3710 [   depth=../../../../..
3711     case $srcdir in
3712     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3713     .) reldir=$depth ;;
3714     *) reldir=$depth/$srcdir ;;
3715     esac
3716     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3717     cd runtime/etc/mono/4.0/Browsers
3718     rm -f Compat.browser
3719     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3720     cd $depth
3721 ],[LN_S='$LN_S'])
3722
3723 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3724 [   depth=../../../../..
3725     case $srcdir in
3726     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3727     .) reldir=$depth ;;
3728     *) reldir=$depth/$srcdir ;;
3729     esac
3730     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3731     cd runtime/etc/mono/4.5/Browsers
3732     rm -f Compat.browser
3733     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3734     cd $depth
3735 ],[LN_S='$LN_S'])
3736
3737 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3738 [   depth=../../../..
3739     case $srcdir in
3740     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3741     .) reldir=$depth ;;
3742     *) reldir=$depth/$srcdir ;;
3743     esac
3744     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3745     cd runtime/etc/mono/4.0
3746     rm -f machine.config
3747     $LN_S $reldir/data/net_4_0/machine.config machine.config
3748     cd $depth
3749 ],[LN_S='$LN_S'])
3750
3751 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3752 [   depth=../../../..
3753     case $srcdir in
3754     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3755     .) reldir=$depth ;;
3756     *) reldir=$depth/$srcdir ;;
3757     esac
3758     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3759     cd runtime/etc/mono/4.0
3760     rm -f web.config
3761     $LN_S $reldir/data/net_4_0/web.config web.config
3762     cd $depth
3763 ],[LN_S='$LN_S'])
3764
3765 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3766 [   depth=../../../..
3767     case $srcdir in
3768     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3769     .) reldir=$depth ;;
3770     *) reldir=$depth/$srcdir ;;
3771     esac
3772     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3773     cd runtime/etc/mono/4.5
3774     rm -f machine.config
3775     $LN_S $reldir/data/net_4_5/machine.config machine.config
3776     cd $depth
3777 ],[LN_S='$LN_S'])
3778
3779 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3780 [   depth=../../../..
3781     case $srcdir in
3782     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3783     .) reldir=$depth ;;
3784     *) reldir=$depth/$srcdir ;;
3785     esac
3786     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3787     cd runtime/etc/mono/4.5
3788     rm -f web.config
3789     $LN_S $reldir/data/net_4_5/web.config web.config
3790     cd $depth
3791 ],[LN_S='$LN_S'])
3792
3793 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])
3794 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])
3795
3796 AC_OUTPUT([
3797 Makefile
3798 mono-uninstalled.pc
3799 scripts/mono-find-provides
3800 scripts/mono-find-requires
3801 mono/Makefile
3802 mono/utils/Makefile
3803 mono/metadata/Makefile
3804 mono/dis/Makefile
3805 mono/cil/Makefile
3806 mono/arch/Makefile
3807 mono/arch/x86/Makefile
3808 mono/arch/amd64/Makefile
3809 mono/arch/ppc/Makefile
3810 mono/arch/sparc/Makefile
3811 mono/arch/s390x/Makefile
3812 mono/arch/arm/Makefile
3813 mono/arch/arm64/Makefile
3814 mono/arch/ia64/Makefile
3815 mono/arch/mips/Makefile
3816 mono/sgen/Makefile
3817 mono/tests/Makefile
3818 mono/tests/tests-config
3819 mono/tests/assemblyresolve/Makefile
3820 mono/tests/gc-descriptors/Makefile
3821 mono/unit-tests/Makefile
3822 mono/benchmark/Makefile
3823 mono/io-layer/Makefile
3824 mono/mini/Makefile
3825 mono/profiler/Makefile
3826 m4/Makefile
3827 ikvm-native/Makefile
3828 scripts/Makefile
3829 man/Makefile
3830 docs/Makefile
3831 data/Makefile
3832 data/net_2_0/Makefile
3833 data/net_4_0/Makefile
3834 data/net_4_5/Makefile
3835 data/net_2_0/Browsers/Makefile
3836 data/net_4_0/Browsers/Makefile
3837 data/net_4_5/Browsers/Makefile
3838 data/mint.pc
3839 data/mono-2.pc
3840 data/monosgen-2.pc
3841 data/mono.pc
3842 data/mono-cairo.pc
3843 data/mono-nunit.pc
3844 data/mono-options.pc
3845 data/mono-lineeditor.pc
3846 data/monodoc.pc
3847 data/dotnet.pc
3848 data/dotnet35.pc
3849 data/wcf.pc
3850 data/cecil.pc
3851 data/system.web.extensions_1.0.pc
3852 data/system.web.extensions.design_1.0.pc
3853 data/system.web.mvc.pc
3854 data/system.web.mvc2.pc
3855 data/system.web.mvc3.pc
3856 data/aspnetwebstack.pc
3857 data/reactive.pc
3858 samples/Makefile
3859 support/Makefile
3860 data/config
3861 tools/Makefile
3862 tools/locale-builder/Makefile
3863 tools/sgen/Makefile
3864 tools/monograph/Makefile
3865 runtime/Makefile
3866 msvc/Makefile
3867 po/Makefile
3868 ])
3869
3870 # Update all submodules recursively to ensure everything is checked out
3871 $srcdir/scripts/update_submodules
3872
3873 if test x$host_win32 = xyes; then
3874    # Get rid of 'cyg' prefixes in library names
3875    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3876    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3877    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3878    # executable doesn't work...
3879    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3880 fi
3881
3882 if test x$host_darwin = xyes; then
3883    # This doesn't seem to be required and it slows down parallel builds
3884    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3885 fi
3886
3887 (
3888   case $prefix in
3889   NONE) prefix=$ac_default_prefix ;;
3890   esac
3891   case $exec_prefix in
3892   NONE) exec_prefix='${prefix}' ;;
3893   esac
3894
3895   #
3896   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3897   # any existing config.make.  This allows people to share the same source tree
3898   # with different build directories, one native and one cross
3899   #
3900   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3901
3902     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3903
3904     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3905     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3906     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3907     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3908     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3909     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3910     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3911     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3912
3913     case $INSTALL in
3914     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3915     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3916     esac
3917
3918     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3919
3920     export VERSION
3921     [myver=$($AWK 'BEGIN {
3922       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3923       if(length(vsplit [1]) > 4) {
3924         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3925       }
3926       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3927     }')]
3928
3929     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3930
3931     if test x$host_darwin = xyes; then
3932       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3933     fi
3934
3935         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3936            enable_system_aot=yes
3937         fi
3938
3939     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3940       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3941     fi
3942
3943     if test x$DISABLE_MCS_DOCS = xyes; then
3944       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3945     fi
3946
3947     if test x$has_extension_module != xno; then
3948         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3949     fi
3950
3951     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
3952
3953     if test "x$test_bcl_opt" = "xyes"; then
3954       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
3955     fi
3956
3957   fi
3958
3959 )
3960
3961 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
3962
3963 echo "
3964         mcs source:    $mcsdir
3965
3966    Engine:
3967         Host:          $host
3968         Target:        $target
3969         GC:            $gc_msg
3970         TLS:           $with_tls
3971         SIGALTSTACK:   $with_sigaltstack
3972         Engine:        $jit_status
3973         oprofile:      $OPROFILE
3974         BigArrays:     $enable_big_arrays
3975         DTrace:        $enable_dtrace
3976         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
3977
3978    Libraries:
3979         .NET 4.6:        $with_profile4_x
3980         MonoDroid:       $with_monodroid
3981         Xamarin.iOS:     $with_monotouch
3982         Xamarin.WatchOS: $with_monotouch_watch
3983         Xamarin.Mac:     $with_xammac
3984         JNI support:     $jdk_headers_found
3985         libgdiplus:      $libgdiplus_msg
3986         zlib:            $zlib_msg
3987         $disabled
3988 "
3989 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
3990    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
3991 fi