configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [4.5.1],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  17                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  18                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  19                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  20
  21 AC_CONFIG_HEADERS([config.h])
  22 AM_MAINTAINER_MODE
  23
  24 API_VER=2.0
  25 AC_SUBST(API_VER)
  26
  27 AC_PROG_LN_S
  28
  29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  30
  31 case $host_os in
  32 *cygwin* )
  33                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  34                  exit 1
  35 esac
  36
  37 # In case of cygwin, override LN_S, irrespective of what it determines.
  38 # The build uses cygwin, but the actual runtime doesn't.
  39 case $host_os in
  40 *cygwin* ) LN_S='cp -p';;
  41 esac
  42
  43 #
  44 # libgc defaults
  45 #
  46 libgc_configure_args=
  47
  48 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  49 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  50 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  51 CFLAGS_FOR_LIBGC=$CFLAGS
  52 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  53 CFLAGS_FOR_EGLIB=$CFLAGS
  54
  55 # libgc uses some deprecated APIs
  56 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  57
  58 #
  59 # These are the flags that need to be stored in the mono.pc file for
  60 # compiling code that will embed Mono
  61 #
  62 libmono_cflags=""
  63 libmono_ldflags=""
  64 AC_SUBST(libmono_cflags)
  65 AC_SUBST(libmono_ldflags)
  66
  67 # Variable to have relocatable .pc files (lib, or lib64)
  68 reloc_libdir=`basename ${libdir}`
  69 AC_SUBST(reloc_libdir)
  70
  71 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  72 need_link_unlink=no
  73
  74 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  75 extra_runtime_ldflags=""
  76
  77 # Thread configuration inspired by sleepycat's db
  78 AC_MSG_CHECKING([host platform characteristics])
  79 libgc_threads=no
  80 has_dtrace=no
  81 parallel_mark=yes
  82 ikvm_native=yes
  83
  84 host_win32=no
  85 target_win32=no
  86 platform_android=no
  87 host_darwin=no
  88 case "$host" in
  89         *-mingw*|*-*-cygwin*)
  90                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  91                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  92                 host_win32=yes
  93                 mono_cv_clang=no
  94                 if test "x$cross_compiling" = "xno"; then
  95                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
  96                                 target_win32=yes
  97                         fi
  98                 else
  99                         if test "x$host" = "x$target"; then
 100                                 target_win32=yes
 101                         fi
 102                 fi
 103                 HOST_CC="gcc"
 104                 # Windows Vista or later is required
 105                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 106                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 107                 libmono_cflags="-mms-bitfields -mwindows"
 108                 libmono_ldflags="-mms-bitfields -mwindows"
 109                 libdl=
 110                 libgc_threads=win32
 111                 with_sigaltstack=no
 112                 with_tls=pthread
 113                 LN_S=cp
 114                 # This forces libgc to use the DllMain based thread registration code on win32
 115                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 116                 ;;
 117         *-*-*netbsd*)
 118                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 119                 libmono_cflags="-D_REENTRANT"
 120                 LDFLAGS="$LDFLAGS -pthread"
 121                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 122                 libmono_ldflags="-pthread"
 123                 need_link_unlink=yes
 124                 libdl="-ldl"
 125                 libgc_threads=pthreads
 126                 with_sigaltstack=no
 127                 use_sigposix=yes
 128                 ;;
 129         *-*-kfreebsd*-gnu)
 130                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 131                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 132                 libmono_ldflags="-lpthread -pthread"
 133                 libdl="-ldl"
 134                 libgc_threads=pthreads
 135                 need_link_unlink=yes
 136                 with_sigaltstack=no
 137                 use_sigposix=yes
 138                 ;;
 139         *-*-*freebsd*)
 140                 if test "x$PTHREAD_CFLAGS" = "x"; then
 141                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 142                         libmono_cflags=
 143                 else
 144                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 145                         libmono_cflags="$PTHREAD_CFLAGS"
 146                 fi
 147                 if test "x$PTHREAD_LIBS" = "x"; then
 148                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 149                         libmono_ldflags="-pthread"
 150                 else
 151                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 152                         libmono_ldflags="$PTHREAD_LIBS"
 153                 fi
 154                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 155                 need_link_unlink=yes
 156                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 157                 libdl=
 158                 libgc_threads=pthreads
 159                 use_sigposix=yes
 160                 has_dtrace=yes
 161                 ;;
 162         *-*-*openbsd*)
 163                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 164                 if test "x$disable_munmap" != "xyes"; then
 165                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 166                 fi
 167                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 168                 LDFLAGS="$LDFLAGS -pthread"
 169                 need_link_unlink=yes
 170                 AC_DEFINE(PTHREAD_POINTER_ID)
 171                 libdl=
 172                 libgc_threads=pthreads
 173                 with_sigaltstack=no
 174                 use_sigposix=yes
 175                 ;;
 176         *-*-linux-android*)
 177                 platform_android=yes
 178                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 179                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 180
 181                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 182                 if test "x$disable_munmap" != "xyes"; then
 183                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 184                 fi
 185                 libmono_cflags="-D_REENTRANT"
 186                 libdl="-ldl"
 187                 libgc_threads=pthreads
 188                 use_sigposix=yes
 189
 190                 with_tls=pthread
 191                 with_sigaltstack=no
 192                 with_static_mono=no
 193
 194                 # Android doesn't support boehm, as it's missing <link.h>
 195                 support_boehm=no
 196                 with_gc=sgen
 197
 198                 # isinf(3) requires -lm; see isinf check below
 199                 LDFLAGS="$LDFLAGS -lm"
 200
 201                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 202                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 203                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 204                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 205                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 206
 207                 # The configure check can't detect this
 208                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 209
 210                 # to bypass the underscore linker check, can't work when cross-compiling
 211                 mono_cv_uscore=yes
 212                 mono_cv_clang=no
 213                 ;;
 214         *-*-linux*)
 215                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 216                 if test "x$disable_munmap" != "xyes"; then
 217                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 218                 fi
 219                 libmono_cflags="-D_REENTRANT"
 220                 libdl="-ldl"
 221                 libgc_threads=pthreads
 222                 use_sigposix=yes
 223                 if test "x$cross_compiling" != "xno"; then
 224                         # to bypass the underscore linker check, not
 225                         # available during cross-compilation
 226                         mono_cv_uscore=no
 227                 fi
 228                 case "$host" in
 229                 aarch64-*)
 230                         support_boehm=no
 231                         with_gc=sgen
 232                         ;;
 233                 powerpc*-*-linux*)
 234                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 235                         disable_munmap=yes
 236                         ;;
 237                 esac
 238                 ;;
 239         *-*-nacl*)
 240                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 241                 if test "x$disable_munmap" != "xyes"; then
 242                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 243                 fi
 244                 libmono_cflags="-D_REENTRANT"
 245                 libdl=
 246                 libgc_threads=pthreads
 247                 use_sigposix=yes
 248                 ikvm_native=no
 249                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 250                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 251                 ;;
 252         *-*-hpux*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 254                 # +ESdbgasm only valid on bundled cc on RISC
 255                 # silently ignored for ia64
 256                 if test $GCC != "yes"; then
 257                         CFLAGS="$CFLAGS +ESdbgasm"
 258                         # Arrange for run-time dereferencing of null
 259                         # pointers to produce a SIGSEGV signal.
 260                         LDFLAGS="$LDFLAGS -z"
 261                 fi
 262                 CFLAGS="$CFLAGS +ESdbgasm"
 263                 LDFLAGS="$LDFLAGS -z"
 264                 libmono_cflags="-D_REENTRANT"
 265                 libmono_ldflags="-lpthread"
 266                 libgc_threads=pthreads
 267                 need_link_unlink=yes
 268                 use_sigposix=yes
 269                 ;;
 270         *-*-solaris*)
 271                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 272                 need_link_unlink=yes
 273                 libmono_cflags="-D_REENTRANT"
 274                 libgc_threads=pthreads
 275                 has_dtrace=yes
 276                 use_sigposix=yes
 277                 enable_solaris_tar_check=yes
 278                 ;;
 279         *-*-darwin*)
 280                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 281                 host_darwin=yes
 282                 target_mach=yes
 283                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 284                 libmono_cflags="-D_THREAD_SAFE"
 285                 need_link_unlink=yes
 286                 AC_DEFINE(PTHREAD_POINTER_ID)
 287                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 288                 libdl=
 289                 libgc_threads=pthreads
 290                 has_dtrace=yes
 291                 if test "x$cross_compiling" = "xyes"; then
 292                         has_broken_apple_cpp=yes
 293                 fi
 294                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 295                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 296                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 297                 case "$host" in
 298                         dnl Snow Leopard and newer config.guess reports as this
 299                         i*86-*-darwin*)
 300                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 301                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 302                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 303                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 304                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 305                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 306                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 307                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 308                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 309                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 310                                 ;;
 311                         x*64-*-darwin*)
 312                                 ;;
 313                         arm*-darwin*)
 314                                 has_dtrace=no
 315                                 ;;
 316                 esac
 317                 ;;
 318         *-*-haiku*)
 319                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 320                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 321                 libdl=
 322                 LIBS="$LIBS -lnetwork"
 323                 need_link_unlink=yes
 324                 AC_DEFINE(PTHREAD_POINTER_ID)
 325                 libgc_threads=pthreads
 326                 use_sigposix=yes
 327                 ;;
 328         *)
 329                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 330                 libdl="-ldl"
 331                 ;;
 332 esac
 333 AC_MSG_RESULT(ok)
 334
 335 if test x$need_link_unlink = xyes; then
 336    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 337 fi
 338
 339 if test x$host_win32 = xyes; then
 340    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 341 fi
 342
 343 if test x$target_win32 = xyes; then
 344    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 345 fi
 346
 347 AC_SUBST(extra_runtime_ldflags)
 348 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 349 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 350 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 351 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 352 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 353 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 354
 355 AC_CHECK_TOOL(CC, gcc, gcc)
 356 AC_PROG_CC
 357 AC_CHECK_TOOL(CXX, g++, g++)
 358 AC_PROG_CXX
 359 AM_PROG_AS
 360 AC_PROG_INSTALL
 361 AC_PROG_AWK
 362 AM_PROG_CC_C_O
 363 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 364 : ${CCAS='$(CC)'}
 365 # Set ASFLAGS if not already set.
 366 : ${CCASFLAGS='$(CFLAGS)'}
 367 AC_SUBST(CCAS)
 368 AC_SUBST(CCASFLAGS)
 369
 370 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 371 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 372 if test "x$CXX" = "xg++"; then
 373         if test "x$GXX" != "xyes"; then
 374                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 375                 # are inside automake conditionals
 376                 AC_MSG_ERROR([You need to install g++])
 377         fi
 378 fi
 379
 380 dnl may require a specific autoconf version
 381 dnl AC_PROG_CC_FOR_BUILD
 382 dnl CC_FOR_BUILD not automatically detected
 383 CC_FOR_BUILD=$CC
 384 CFLAGS_FOR_BUILD=$CFLAGS
 385 BUILD_EXEEXT=
 386 if test "x$cross_compiling" = "xyes"; then
 387         CC_FOR_BUILD=cc
 388         CFLAGS_FOR_BUILD=
 389         BUILD_EXEEXT=""
 390 fi
 391 AC_SUBST(CC_FOR_BUILD)
 392 AC_SUBST(CFLAGS_FOR_BUILD)
 393 AC_SUBST(HOST_CC)
 394 AC_SUBST(BUILD_EXEEXT)
 395
 396 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 397 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 398
 399 # Set STDC_HEADERS
 400 AC_HEADER_STDC
 401 AC_LIBTOOL_WIN32_DLL
 402 # This causes monodis to not link correctly
 403 #AC_DISABLE_FAST_INSTALL
 404 AM_PROG_LIBTOOL
 405 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 406 DOLT
 407
 408 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 409 AC_SUBST(export_ldflags)
 410
 411 # Test whenever ld supports -version-script
 412 AC_PROG_LD
 413 AC_PROG_LD_GNU
 414
 415 AM_ICONV()
 416
 417 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)
 418 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 419 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 420                   [], [], [#include <stddef.h>
 421                   #include <sys/socket.h>
 422                   #include <linux/socket.h>])
 423
 424 AC_CHECK_HEADERS(sys/user.h, [], [],
 425 [
 426 #ifdef HAVE_SYS_PARAM_H
 427 # include <sys/param.h>
 428 #endif
 429 ])
 430
 431 AC_CHECK_HEADERS(linux/serial.h)
 432
 433 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 434 if test x$have_zlib = xyes; then
 435    AC_TRY_COMPILE([#include <zlib.h>], [
 436    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 437    return 0;
 438    #else
 439    #error No good zlib found
 440    #endif
 441    ],[
 442         AC_MSG_RESULT(Using system zlib)
 443         zlib_msg="system zlib"
 444         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 445    ],[
 446         AC_MSG_RESULT(Using embedded zlib)
 447         have_zlib=no
 448         zlib_msg="bundled zlib"
 449    ])
 450 fi
 451
 452 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 453 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 454
 455 # for mono/metadata/debug-symfile.c
 456 AC_CHECK_HEADERS(elf.h)
 457
 458 # for support
 459 AC_CHECK_HEADERS(poll.h)
 460 AC_CHECK_HEADERS(sys/poll.h)
 461 AC_CHECK_HEADERS(sys/wait.h)
 462 AC_CHECK_HEADERS(grp.h)
 463 AC_CHECK_HEADERS(syslog.h)
 464
 465 # for mono/dis
 466 AC_CHECK_HEADERS(wchar.h)
 467 AC_CHECK_HEADERS(ieeefp.h)
 468 AC_MSG_CHECKING(for isinf)
 469 AC_TRY_LINK([#include <math.h>], [
 470         int f = isinf (1.0);
 471 ], [
 472         AC_MSG_RESULT(yes)
 473         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 474 ], [
 475         # We'll have to use signals
 476         AC_MSG_RESULT(no)
 477 ])
 478 # mingw
 479 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 480         AC_TRY_LINK([#include <math.h>],
 481         [ _finite(0.0); ],
 482         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 483         AC_MSG_RESULT(no)))
 484
 485 # for Linux statfs support
 486 AC_CHECK_HEADERS(linux/magic.h)
 487
 488 # not 64 bit clean in cross-compile
 489 AC_CHECK_SIZEOF(void *, 4)
 490
 491 AC_CACHE_CHECK([for clang],
 492         mono_cv_clang,[
 493         AC_TRY_COMPILE([], [
 494                 #ifdef __clang__
 495                 #else
 496                 #error "FAILED"
 497                 #endif
 498                 return 0;
 499         ],
 500         [mono_cv_clang=yes],
 501         [mono_cv_clang=no],
 502         [])
 503 ])
 504
 505 AC_ARG_ENABLE(visibility-hidden,
 506 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 507    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 508
 509 WARN=''
 510 if test x"$GCC" = xyes; then
 511         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 512
 513                 # We require C99 with some GNU extensions, e.g. `linux` macro
 514                 CFLAGS="$CFLAGS -std=gnu99"
 515
 516                 # The runtime code does not respect ANSI C strict aliasing rules
 517                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 518
 519                 # We rely on signed overflow to behave
 520                 CFLAGS="$CFLAGS -fwrapv"
 521
 522                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 523                 if test x"$disable_visibility_hidden" = xno; then
 524                    # Don't export any symbols by default
 525                    SHARED_CFLAGS="-fvisibility=hidden"
 526                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 527                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 528                 fi
 529
 530                 ORIG_CFLAGS=$CFLAGS
 531                 # Check for the normal version, since gcc ignores unknown -Wno options
 532                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 533                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 534                 AC_TRY_COMPILE([],[
 535                                 return 0;
 536                 ], [
 537                    AC_MSG_RESULT(yes)
 538                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 539                 ], [
 540                    AC_MSG_RESULT(no)
 541                    CFLAGS=$ORIG_CFLAGS
 542                 ])
 543
 544                 if test "x$mono_cv_clang" = "xyes"; then
 545                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 546                    WARN="$WARN -Qunused-arguments"
 547                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 548                 fi
 549 else
 550         # The Sun Forte compiler complains about inline functions that access static variables
 551         # so disable all inlining.
 552         case "$host" in
 553         *-*-solaris*)
 554                 CFLAGS="$CFLAGS -Dinline="
 555                 ;;
 556         esac
 557 fi
 558 CFLAGS="$CFLAGS -g $WARN"
 559 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 560 CPPFLAGS="$CPPFLAGS -g $WARN"
 561
 562 # Where's the 'mcs' source tree?
 563 if test -d $srcdir/mcs; then
 564   mcsdir=mcs
 565 else
 566   mcsdir=../mcs
 567 fi
 568
 569 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 570         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 571                 mcsdir=$with_mcs_path
 572         fi
 573 )
 574
 575 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 576
 577 #
 578 # A sanity check to catch cases where the package was unpacked
 579 # with an ancient tar program (Solaris)
 580 #
 581 AC_ARG_ENABLE(solaris-tar-check,
 582 [  --disable-solaris-tar-check    disable solaris tar check],
 583    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 584
 585 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 586         AC_MSG_CHECKING(integrity of package)
 587         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 588         then
 589                 AC_MSG_RESULT(ok)
 590         else
 591                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 592                 AC_MSG_ERROR([$errorm])
 593         fi
 594 fi
 595
 596 if test "x$with_mcs_path" != "x"; then
 597 mcs_topdir=$(cd "$mcsdir" && pwd)
 598 mcs_topdir_from_srcdir=$mcs_topdir
 599 else
 600 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 601 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 602 fi
 603
 604 # Convert mcs_topdir* paths to Windows syntax.
 605 if test x$cross_compiling$host_win32 = xnoyes; then
 606   mcs_topdir=$(cygpath -m $mcs_topdir)
 607   case $mcs_topdir_from_srcdir in
 608     /cygdrive/*)
 609         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 610         ;;
 611   esac
 612 fi
 613
 614 AC_SUBST([mcs_topdir])
 615 AC_SUBST([mcs_topdir_from_srcdir])
 616
 617 # gettext: prepare the translation directories.
 618 # we do not configure the full gettext, as we consume it dynamically from C#
 619 AM_PO_SUBDIRS
 620
 621 if test "x$USE_NLS" = "xyes"; then
 622    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 623
 624    if test "x$HAVE_MSGFMT" = "xno"; then
 625           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 626    fi
 627 fi
 628
 629 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 630
 631 pkg_config_path=
 632 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 633         if test x$with_crosspkgdir = "x"; then
 634                 if test -s $PKG_CONFIG_PATH; then
 635                         pkg_config_path=$PKG_CONFIG_PATH
 636                 fi
 637         else
 638                 pkg_config_path=$with_crosspkgdir
 639                 PKG_CONFIG_PATH=$pkg_config_path
 640                 export PKG_CONFIG_PATH
 641         fi
 642 )
 643
 644 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 645 if test x$werror_flag = xyes; then
 646         WERROR_CFLAGS="-Werror"
 647 fi
 648 AC_SUBST([WERROR_CFLAGS])
 649 AC_SUBST([SHARED_CFLAGS])
 650
 651 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 652 AC_CONFIG_SUBDIRS(eglib)
 653
 654 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 655 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 656
 657 AC_SUBST(GLIB_CFLAGS)
 658 AC_SUBST(GLIB_LIBS)
 659
 660 # Enable support for fast thread-local storage
 661 # Some systems have broken support, so we allow to disable it.
 662 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 663
 664 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 665 # This does not work on some platforms (bug #55253)
 666 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 667
 668 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 669 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 670 # Same as --with-shared_mono=no
 671 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 672
 673 if test "x$enable_static" = "xno"; then
 674    with_static_mono=no
 675 fi
 676
 677 if test "x$enable_shared" = "xno"; then
 678    with_shared_mono=no
 679 fi
 680
 681 if test "x$enable_libraries" = "xno"; then
 682    with_shared_mono=no
 683 fi
 684
 685 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 686
 687 case $host in
 688 *nacl* ) with_shared_mono=yes;;
 689 esac
 690
 691 if test "x$host_win32" = "xyes"; then
 692    # Boehm GC requires the runtime to be in its own dll
 693    with_static_mono=no
 694 fi
 695
 696 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 697 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 698 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 699
 700 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 701 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 702         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 703         ORIG_CFLAGS=$CFLAGS
 704         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 705         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 706         AC_TRY_COMPILE([], [
 707                 return 0;
 708         ], [
 709            AC_MSG_RESULT(yes)
 710            # Pass it to libgc as well
 711            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 712         ], [
 713            AC_MSG_RESULT(no)
 714            CFLAGS=$ORIG_CFLAGS
 715         ])
 716 fi
 717
 718 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 719
 720 if test x$enable_small_config = xyes; then
 721         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 722         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 723 fi
 724
 725 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=$enableval, enable_system_aot=default)
 726
 727 DISABLED_FEATURES=none
 728
 729 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 730      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 731      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 732          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 733 [
 734         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 735                 eval "mono_feature_disable_$feature='yes'"
 736         done
 737         DISABLED_FEATURES=$enable_minimal
 738         disabled="Disabled:      $enable_minimal"
 739 ],[])
 740
 741 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 742
 743 if test "x$mono_feature_disable_aot" = "xyes"; then
 744         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 745         enable_system_aot=no
 746         AC_MSG_NOTICE([Disabled AOT compiler])
 747 fi
 748
 749 if test "x$mono_feature_disable_profiler" = "xyes"; then
 750         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 751         AC_MSG_NOTICE([Disabled support for the profiler])
 752 fi
 753 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 754
 755 if test "x$mono_feature_disable_decimal" = "xyes"; then
 756         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 757         AC_MSG_NOTICE([Disabled support for decimal])
 758 fi
 759
 760 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 761         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 762         AC_MSG_NOTICE([Disabled support for P/Invoke])
 763 fi
 764
 765 if test "x$mono_feature_disable_debug" = "xyes"; then
 766         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 767         AC_MSG_NOTICE([Disabled support for runtime debugging])
 768 fi
 769
 770 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 771         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 772         mono_feature_disable_reflection_emit_save=yes
 773         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 774 fi
 775
 776 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 777         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 778         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 779 fi
 780
 781 if test "x$mono_feature_disable_large_code" = "xyes"; then
 782         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 783         AC_MSG_NOTICE([Disabled support for large assemblies])
 784 fi
 785
 786 if test "x$mono_feature_disable_logging" = "xyes"; then
 787         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 788         AC_MSG_NOTICE([Disabled support for logging])
 789 fi
 790
 791 if test "x$mono_feature_disable_com" = "xyes"; then
 792         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 793         AC_MSG_NOTICE([Disabled COM support])
 794 fi
 795
 796 if test "x$mono_feature_disable_ssa" = "xyes"; then
 797         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 798         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 799 fi
 800
 801 if test "x$mono_feature_disable_generics" = "xyes"; then
 802         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 803         AC_MSG_NOTICE([Disabled Generics Support])
 804 fi
 805
 806 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 807         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 808         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 809 fi
 810
 811 if test "x$mono_feature_disable_portability" = "xyes"; then
 812         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 813         AC_MSG_NOTICE([Disabled IO Portability layer])
 814 fi
 815
 816 if test "x$mono_feature_disable_attach" = "xyes"; then
 817         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 818         AC_MSG_NOTICE([Disabled agent attach])
 819 fi
 820
 821 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 822         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 823         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 824 fi
 825
 826 if test "x$mono_feature_disable_verifier" = "xyes"; then
 827         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 828         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 829 fi
 830
 831 if test "x$mono_feature_disable_jit" = "xyes"; then
 832         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 833         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 834 fi
 835
 836 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 837
 838 if test "x$mono_feature_disable_simd" = "xyes"; then
 839         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 840         AC_MSG_NOTICE([Disabled SIMD support])
 841 fi
 842
 843 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 844         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 845         AC_MSG_NOTICE([Disabled Soft Debugger.])
 846 fi
 847
 848 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 849         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 850         AC_MSG_NOTICE([Disabled Performance Counters.])
 851 fi
 852 if test "x$mono_feature_disable_normalization" = "xyes"; then
 853         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 854         AC_MSG_NOTICE([Disabled String normalization support.])
 855 fi
 856
 857 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 858         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 859         AC_MSG_NOTICE([Disabled Assembly remapping.])
 860 fi
 861
 862 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 863         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 864         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 865 fi
 866
 867 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 868         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 869         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 870 fi
 871
 872 if test "x$mono_feature_disable_remoting" = "xyes"; then
 873         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 874         AC_MSG_NOTICE([Disabled remoting])
 875 fi
 876
 877 if test "x$mono_feature_disable_security" = "xyes"; then
 878         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 879         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 880 fi
 881
 882 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 883         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 884         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 885 fi
 886
 887 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 888         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 889         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 890 fi
 891
 892 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 893         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 894         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 895 fi
 896
 897 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 898         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 899         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 900 fi
 901
 902 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 903         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 904         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 905 fi
 906
 907 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 908 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 909
 910 has_extension_module=no
 911 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 912 [
 913         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 914                 if test x$extension = xdefault ; then
 915                         has_extension_module=yes;
 916                 fi
 917         done
 918         if test x$enable_extension_module = xyes; then
 919                 has_extension_module=yes;
 920         fi
 921 ], [])
 922
 923 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 924
 925 if test x$has_extension_module != xno ; then
 926         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 927         AC_MSG_NOTICE([Enabling mono extension module.])
 928 fi
 929
 930 # Deprecated
 931 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
 932
 933 AC_MSG_CHECKING(for visibility __attribute__)
 934 AC_COMPILE_IFELSE([
 935         AC_LANG_SOURCE([[
 936                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 937                 int main () { doit (); return 0; }
 938         ]])
 939 ], [
 940    have_visibility_hidden=yes
 941    AC_MSG_RESULT(yes)
 942 ], [
 943    have_visibility_hidden=no
 944    AC_MSG_RESULT(no)
 945 ])
 946
 947 AC_MSG_CHECKING(for deprecated __attribute__)
 948 AC_TRY_COMPILE([
 949      int doit (void) __attribute__ ((deprecated));
 950      int doit (void) { return 0; }
 951 ], [
 952         return 0;
 953 ], [
 954    have_deprecated=yes
 955    AC_MSG_RESULT(yes)
 956 ], [
 957    have_deprecated=no
 958    AC_MSG_RESULT(no)
 959 ])
 960
 961 dnl
 962 dnl Boehm GC configuration
 963 dnl
 964
 965 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
 966
 967 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 968 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 969
 970 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 971 if test x$enable_parallel_mark = xyes; then
 972         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 973 fi
 974
 975 gc_msg=""
 976 LIBGC_CPPFLAGS=
 977 LIBGC_LIBS=
 978 LIBGC_STATIC_LIBS=
 979 libgc_dir=
 980 case "x$libgc" in
 981         xincluded)
 982                 if test "x$support_boehm" = "xyes"; then
 983                         libgc_dir=libgc
 984                 fi
 985
 986                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 987                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 988                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 989
 990                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 991
 992                 if test x$target_win32 = xyes; then
 993                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
 994                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
 995                 fi
 996
 997                 gc_msg="Included Boehm GC with typed GC"
 998                 if test x$enable_parallel_mark = xyes; then
 999                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1000                         gc_msg="$gc_msg and parallel mark"
1001                 else
1002                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1003                 fi
1004                 ;;
1005
1006         xboehm|xbohem|xyes)
1007                 AC_MSG_WARN("External Boehm is no longer supported")
1008                 ;;
1009
1010         xsgen)
1011                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1012                 ;;
1013
1014         xnone)
1015                 AC_MSG_WARN("Compiling mono without GC.")
1016                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1017                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1018                 gc_msg="none"
1019                 ;;
1020         *)
1021                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1022                 ;;
1023 esac
1024
1025 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1026 if test "x$large_heap" = "xyes"; then
1027    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1028 fi
1029
1030 AC_SUBST(LIBGC_CPPFLAGS)
1031 AC_SUBST(LIBGC_LIBS)
1032 AC_SUBST(LIBGC_STATIC_LIBS)
1033 AC_SUBST(libgc_dir)
1034 AC_SUBST(BOEHM_DEFINES)
1035
1036 dnl
1037 dnl End of Boehm GC Configuration
1038 dnl
1039
1040 dnl *************************************
1041 dnl *** Checks for zero length arrays ***
1042 dnl *************************************
1043 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1044 AC_TRY_COMPILE([
1045         struct s {
1046                 int  length;
1047                 char data [0];
1048         };
1049 ], [], [
1050         AC_MSG_RESULT(yes)
1051         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1052 ], [
1053         AC_MSG_RESULT(no)
1054         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1055 ])
1056
1057 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1058
1059 dnl ***********************************
1060 dnl *** Checks for signals
1061 dnl ***********************************
1062 AC_CHECK_HEADERS(signal.h)
1063 AC_CHECK_FUNCS(sigaction)
1064 AC_CHECK_FUNCS(kill)
1065 AC_CHECK_FUNCS(signal)
1066
1067 # signal() is declared inline in Android headers
1068 # so we need to workaround it by overriding the check.
1069 if test x$platform_android = xyes; then
1070         AC_DEFINE(HAVE_SIGNAL,1)
1071 fi
1072
1073 if test x$host_win32 = xno; then
1074
1075         dnl hires monotonic clock support
1076         AC_SEARCH_LIBS(clock_gettime, rt)
1077         AC_CHECK_FUNCS(clock_nanosleep)
1078
1079         dnl dynamic loader support
1080         AC_CHECK_FUNC(dlopen, DL_LIB="",
1081                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1082         )
1083         if test x$dl_support = xno; then
1084                 AC_MSG_WARN([No dynamic loading support available])
1085         else
1086                 LIBS="$LIBS $DL_LIB"
1087                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1088                 dnl from glib's configure.ac
1089                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1090                         mono_cv_uscore,[
1091                         AC_TRY_RUN([#include <dlfcn.h>
1092                         int mono_underscore_test (void) { return 42; }
1093                         int main() {
1094                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1095                           handle = dlopen ((void*)0, 0);
1096                           if (handle) {
1097                             f1 = dlsym (handle, "mono_underscore_test");
1098                             f2 = dlsym (handle, "_mono_underscore_test");
1099                           } return (!f2 || f1);
1100                         }],
1101                                 [mono_cv_uscore=yes],
1102                                 [mono_cv_uscore=no],
1103                         [])
1104                 ])
1105                 if test "x$mono_cv_uscore" = "xyes"; then
1106                         MONO_DL_NEED_USCORE=1
1107                 else
1108                         MONO_DL_NEED_USCORE=0
1109                 fi
1110                 AC_SUBST(MONO_DL_NEED_USCORE)
1111                 AC_CHECK_FUNC(dlerror)
1112         fi
1113
1114         dnl ******************************************************************
1115         dnl *** Checks for the IKVM JNI interface library                  ***
1116         dnl ******************************************************************
1117         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])
1118
1119         ikvm_native_dir=
1120         if test x$with_ikvm_native = xyes; then
1121                 ikvm_native_dir=ikvm-native
1122                 jdk_headers_found="IKVM Native"
1123         fi
1124
1125         AC_SUBST(ikvm_native_dir)
1126
1127         AC_CHECK_HEADERS(execinfo.h)
1128
1129         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1130
1131         AC_CHECK_FUNCS(getgrgid_r)
1132         AC_CHECK_FUNCS(getgrnam_r)
1133         AC_CHECK_FUNCS(getpwnam_r)
1134         AC_CHECK_FUNCS(getpwuid_r)
1135         AC_CHECK_FUNCS(getresuid)
1136         AC_CHECK_FUNCS(setresuid)
1137         AC_CHECK_FUNCS(kqueue)
1138         AC_CHECK_FUNCS(backtrace_symbols)
1139         AC_CHECK_FUNCS(mkstemp)
1140         AC_CHECK_FUNCS(mmap)
1141         AC_CHECK_FUNCS(madvise)
1142         AC_CHECK_FUNCS(getrusage)
1143         AC_CHECK_FUNCS(getpriority)
1144         AC_CHECK_FUNCS(setpriority)
1145         AC_CHECK_FUNCS(dl_iterate_phdr)
1146         AC_CHECK_FUNCS(dladdr)
1147         AC_CHECK_FUNCS(sysconf)
1148         AC_CHECK_FUNCS(getrlimit)
1149         AC_CHECK_FUNCS(prctl)
1150
1151         AC_CHECK_FUNCS(sched_getaffinity)
1152         AC_CHECK_FUNCS(sched_setaffinity)
1153         AC_CHECK_FUNCS(sched_getcpu)
1154
1155         dnl ****************************************************************
1156         dnl *** Check for sched_setaffinity from glibc versions before   ***
1157         dnl *** 2.3.4. The older versions of the function only take 2    ***
1158         dnl *** parameters, not 3.                                       ***
1159         dnl ***                                                          ***
1160         dnl *** Because the interface change was not made in a minor     ***
1161         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1162         dnl *** won't always indicate the interface sched_affinity has.  ***
1163         dnl ****************************************************************
1164         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1165         AC_TRY_COMPILE([#include <sched.h>], [
1166             int mask = 1;
1167             sched_setaffinity(0, &mask);
1168                         return 0;
1169         ], [
1170                 # Yes, we have it...
1171                 AC_MSG_RESULT(yes)
1172                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1173         ], [
1174                 # We have the new, three-parameter version
1175                 AC_MSG_RESULT(no)
1176         ])
1177
1178
1179         dnl ******************************************************************
1180         dnl *** Check for large file support                               ***
1181         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1182         dnl ******************************************************************
1183
1184         # Check that off_t can represent 2**63 - 1 correctly, working around
1185         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1186         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1187         large_offt=no
1188         AC_DEFUN([LARGE_FILES], [
1189                 large_CPPFLAGS=$CPPFLAGS
1190                 CPPFLAGS="$CPPFLAGS $1"
1191                 AC_TRY_COMPILE([
1192                         #include <sys/types.h>
1193                         #include <limits.h>
1194                 ], [
1195                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1196                         #define COMPILE_TIME_ASSERT(pred) \
1197                                 switch(0){case 0:case pred:;}
1198                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1199                 ], [
1200                         AC_MSG_RESULT(ok)
1201                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1202                         large_CPPFLAGS="$large_CPPFLAGS $1"
1203                         large_offt=yes
1204                 ], [
1205                         AC_MSG_RESULT(no)
1206                 ])
1207                 CPPFLAGS=$large_CPPFLAGS
1208         ])
1209
1210         AC_MSG_CHECKING(if off_t is 64 bits wide)
1211         LARGE_FILES("")
1212         if test $large_offt = no; then
1213                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1214                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1215         fi
1216         if test $large_offt = no; then
1217                 AC_MSG_WARN([No 64 bit file size support available])
1218         fi
1219
1220         dnl *****************************
1221         dnl *** Checks for libsocket  ***
1222         dnl *****************************
1223         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1224
1225         case "$host" in
1226                 *-*-*freebsd*)
1227                         dnl *****************************
1228                         dnl *** Checks for libinotify ***
1229                         dnl *****************************
1230                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1231         esac
1232
1233         dnl *******************************
1234         dnl *** Checks for MSG_NOSIGNAL ***
1235         dnl *******************************
1236         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1237         AC_TRY_COMPILE([#include <sys/socket.h>], [
1238                 int f = MSG_NOSIGNAL;
1239         ], [
1240                 # Yes, we have it...
1241                 AC_MSG_RESULT(yes)
1242                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1243         ], [
1244                 # We'll have to use signals
1245                 AC_MSG_RESULT(no)
1246         ])
1247
1248         dnl *****************************
1249         dnl *** Checks for IPPROTO_IP ***
1250         dnl *****************************
1251         AC_MSG_CHECKING(for IPPROTO_IP)
1252         AC_TRY_COMPILE([#include <netinet/in.h>], [
1253                 int level = IPPROTO_IP;
1254         ], [
1255                 # Yes, we have it...
1256                 AC_MSG_RESULT(yes)
1257                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1258         ], [
1259                 # We'll have to use getprotobyname
1260                 AC_MSG_RESULT(no)
1261         ])
1262
1263         dnl *******************************
1264         dnl *** Checks for IPPROTO_IPV6 ***
1265         dnl *******************************
1266         AC_MSG_CHECKING(for IPPROTO_IPV6)
1267         AC_TRY_COMPILE([#include <netinet/in.h>], [
1268                 int level = IPPROTO_IPV6;
1269         ], [
1270                 # Yes, we have it...
1271                 AC_MSG_RESULT(yes)
1272                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1273         ], [
1274                 # We'll have to use getprotobyname
1275                 AC_MSG_RESULT(no)
1276         ])
1277
1278         dnl ******************************
1279         dnl *** Checks for IPPROTO_TCP ***
1280         dnl ******************************
1281         AC_MSG_CHECKING(for IPPROTO_TCP)
1282         AC_TRY_COMPILE([#include <netinet/in.h>], [
1283                 int level = IPPROTO_TCP;
1284         ], [
1285                 # Yes, we have it...
1286                 AC_MSG_RESULT(yes)
1287                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1288         ], [
1289                 # We'll have to use getprotobyname
1290                 AC_MSG_RESULT(no)
1291         ])
1292
1293         dnl *****************************
1294         dnl *** Checks for SOL_IP     ***
1295         dnl *****************************
1296         AC_MSG_CHECKING(for SOL_IP)
1297         AC_TRY_COMPILE([#include <netdb.h>], [
1298                 int level = SOL_IP;
1299         ], [
1300                 # Yes, we have it...
1301                 AC_MSG_RESULT(yes)
1302                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1303         ], [
1304                 # We'll have to use getprotobyname
1305                 AC_MSG_RESULT(no)
1306         ])
1307
1308         dnl *****************************
1309         dnl *** Checks for SOL_IPV6     ***
1310         dnl *****************************
1311         AC_MSG_CHECKING(for SOL_IPV6)
1312         AC_TRY_COMPILE([#include <netdb.h>], [
1313                 int level = SOL_IPV6;
1314         ], [
1315                 # Yes, we have it...
1316                 AC_MSG_RESULT(yes)
1317                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1318         ], [
1319                 # We'll have to use getprotobyname
1320                 AC_MSG_RESULT(no)
1321         ])
1322
1323         dnl *****************************
1324         dnl *** Checks for SOL_TCP    ***
1325         dnl *****************************
1326         AC_MSG_CHECKING(for SOL_TCP)
1327         AC_TRY_COMPILE([#include <netdb.h>], [
1328                 int level = SOL_TCP;
1329         ], [
1330                 # Yes, we have it...
1331                 AC_MSG_RESULT(yes)
1332                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1333         ], [
1334                 # We'll have to use getprotobyname
1335                 AC_MSG_RESULT(no)
1336         ])
1337
1338         dnl *****************************
1339         dnl *** Checks for IP_PKTINFO ***
1340         dnl *****************************
1341         AC_MSG_CHECKING(for IP_PKTINFO)
1342         AC_TRY_COMPILE([#include <linux/in.h>], [
1343                 int level = IP_PKTINFO;
1344         ], [
1345                 # Yes, we have it...
1346                 AC_MSG_RESULT(yes)
1347                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1348         ], [
1349                 AC_MSG_RESULT(no)
1350         ])
1351
1352         dnl *****************************
1353         dnl *** Checks for IPV6_PKTINFO ***
1354         dnl *****************************
1355         AC_MSG_CHECKING(for IPV6_PKTINFO)
1356         AC_TRY_COMPILE([#include <netdb.h>], [
1357                 int level = IPV6_PKTINFO;
1358         ], [
1359                 # Yes, we have it...
1360                 AC_MSG_RESULT(yes)
1361                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1362         ], [
1363                 AC_MSG_RESULT(no)
1364         ])
1365
1366         dnl **********************************
1367         dnl *** Checks for IP_DONTFRAG     ***
1368         dnl **********************************
1369         AC_MSG_CHECKING(for IP_DONTFRAG)
1370         AC_TRY_COMPILE([#include <netinet/in.h>], [
1371                 int level = IP_DONTFRAG;
1372         ], [
1373                 # Yes, we have it...
1374                 AC_MSG_RESULT(yes)
1375                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1376         ], [
1377                 AC_MSG_RESULT(no)
1378         ])
1379
1380         dnl **********************************
1381         dnl *** Checks for IP_DONTFRAGMENT ***
1382         dnl **********************************
1383         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1384         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1385                 int level = IP_DONTFRAGMENT;
1386         ], [
1387                 # Yes, we have it...
1388                 AC_MSG_RESULT(yes)
1389                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1390         ], [
1391                 AC_MSG_RESULT(no)
1392         ])
1393
1394         dnl **********************************
1395         dnl *** Checks for IP_MTU_DISCOVER ***
1396         dnl **********************************
1397         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1398         AC_TRY_COMPILE([#include <linux/in.h>], [
1399                 int level = IP_MTU_DISCOVER;
1400         ], [
1401                 # Yes, we have it...
1402                 AC_MSG_RESULT(yes)
1403                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1404         ], [
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408         dnl **********************************
1409         dnl *** Checks for  IP_PMTUDISC_DO ***
1410         dnl **********************************
1411         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1412         AC_TRY_COMPILE([#include <linux/in.h>], [
1413                 int level = IP_PMTUDISC_DO;
1414         ], [
1415                 # Yes, we have it...
1416                 AC_MSG_RESULT(yes)
1417                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1418         ], [
1419                 AC_MSG_RESULT(no)
1420         ])
1421
1422         dnl *********************************
1423         dnl *** Check for struct ip_mreqn ***
1424         dnl *********************************
1425         AC_MSG_CHECKING(for struct ip_mreqn)
1426         AC_TRY_COMPILE([#include <netinet/in.h>], [
1427                 struct ip_mreqn mreq;
1428                 mreq.imr_address.s_addr = 0;
1429         ], [
1430                 # Yes, we have it...
1431                 AC_MSG_RESULT(yes)
1432                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1433         ], [
1434                 # We'll just have to try and use struct ip_mreq
1435                 AC_MSG_RESULT(no)
1436                 AC_MSG_CHECKING(for struct ip_mreq)
1437                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1438                         struct ip_mreq mreq;
1439                         mreq.imr_interface.s_addr = 0;
1440                 ], [
1441                         # Yes, we have it...
1442                         AC_MSG_RESULT(yes)
1443                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1444                 ], [
1445                         # No multicast support
1446                         AC_MSG_RESULT(no)
1447                 ])
1448         ])
1449
1450         dnl **********************************
1451         dnl *** Check for getaddrinfo ***
1452         dnl **********************************
1453         AC_MSG_CHECKING(for getaddrinfo)
1454                 AC_TRY_LINK([
1455                 #include <stdio.h>
1456                 #include <netdb.h>
1457         ], [
1458                 getaddrinfo(NULL,NULL,NULL,NULL);
1459         ], [
1460                 # Yes, we have it...
1461                 AC_MSG_RESULT(yes)
1462                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1463         ], [
1464                 AC_MSG_RESULT(no)
1465         ])
1466
1467         dnl **********************************
1468         dnl *** Check for gethostbyname2_r ***
1469         dnl **********************************
1470         AC_MSG_CHECKING(for gethostbyname2_r)
1471                 AC_TRY_LINK([
1472                 #include <stdio.h>
1473                 #include <netdb.h>
1474         ], [
1475
1476                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1481         ], [
1482                 AC_MSG_RESULT(no)
1483         ])
1484
1485         dnl **********************************
1486         dnl *** Check for gethostbyname2 ***
1487         dnl **********************************
1488         AC_MSG_CHECKING(for gethostbyname2)
1489                 AC_TRY_LINK([
1490                 #include <stdio.h>
1491                 #include <netdb.h>
1492         ], [
1493                 gethostbyname2(NULL,0);
1494         ], [
1495                 # Yes, we have it...
1496                 AC_MSG_RESULT(yes)
1497                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1498         ], [
1499                 AC_MSG_RESULT(no)
1500         ])
1501
1502         dnl **********************************
1503         dnl *** Check for gethostbyname ***
1504         dnl **********************************
1505         AC_MSG_CHECKING(for gethostbyname)
1506                 AC_TRY_LINK([
1507                 #include <stdio.h>
1508                 #include <netdb.h>
1509         ], [
1510                 gethostbyname(NULL);
1511         ], [
1512                 # Yes, we have it...
1513                 AC_MSG_RESULT(yes)
1514                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1515         ], [
1516                 AC_MSG_RESULT(no)
1517         ])
1518
1519         dnl **********************************
1520         dnl *** Check for getprotobyname ***
1521         dnl **********************************
1522         AC_MSG_CHECKING(for getprotobyname)
1523                 AC_TRY_LINK([
1524                 #include <stdio.h>
1525                 #include <netdb.h>
1526         ], [
1527                 getprotobyname(NULL);
1528         ], [
1529                 # Yes, we have it...
1530                 AC_MSG_RESULT(yes)
1531                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1532         ], [
1533                 AC_MSG_RESULT(no)
1534         ])
1535
1536         dnl **********************************
1537         dnl *** Check for getnameinfo ***
1538         dnl **********************************
1539         AC_MSG_CHECKING(for getnameinfo)
1540                 AC_TRY_LINK([
1541                 #include <stdio.h>
1542                 #include <netdb.h>
1543         ], [
1544                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1545         ], [
1546                 # Yes, we have it...
1547                 AC_MSG_RESULT(yes)
1548                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1549         ], [
1550                 AC_MSG_RESULT(no)
1551         ])
1552
1553
1554         dnl **********************************
1555         dnl *** Check for inet_ntop ***
1556         dnl **********************************
1557         AC_MSG_CHECKING(for inet_ntop)
1558                 AC_TRY_LINK([
1559                 #include <stdio.h>
1560                 #include <arpa/inet.h>
1561         ], [
1562                 inet_ntop (0, NULL, NULL, 0);
1563         ], [
1564                 # Yes, we have it...
1565                 AC_MSG_RESULT(yes)
1566                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1567         ], [
1568                 AC_MSG_RESULT(no)
1569         ])
1570
1571         dnl *****************************
1572         dnl *** Checks for libnsl     ***
1573         dnl *****************************
1574         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1575
1576         AC_CHECK_FUNCS(inet_pton inet_aton)
1577
1578         dnl *****************************
1579         dnl *** Checks for libxnet    ***
1580         dnl *****************************
1581         case "${host}" in
1582                 *solaris* )
1583                         AC_MSG_CHECKING(for Solaris XPG4 support)
1584                         if test -f /usr/lib/libxnet.so; then
1585                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1586                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1587                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1588                                 LIBS="$LIBS -lxnet"
1589                                 AC_MSG_RESULT(yes)
1590                         else
1591                                 AC_MSG_RESULT(no)
1592                         fi
1593
1594                         if test "$GCC" = "yes"; then
1595                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1596                         fi
1597                 ;;
1598         esac
1599
1600         dnl *****************************
1601         dnl *** Checks for libpthread ***
1602         dnl *****************************
1603 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1604 # and libpthread does not exist
1605 #
1606         case "${host}" in
1607                 *-*-*freebsd*)
1608                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1609                 ;;
1610                 *-*-*openbsd*)
1611                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1612                 ;;
1613                 *)
1614                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1615                 ;;
1616         esac
1617         AC_CHECK_HEADERS(pthread.h)
1618         AC_CHECK_HEADERS(pthread_np.h)
1619         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1620         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1621         AC_CHECK_FUNCS(pthread_kill)
1622         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1623         AC_TRY_COMPILE([ #include <pthread.h>], [
1624                 pthread_mutexattr_t attr;
1625                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1626         ], [
1627                 AC_MSG_RESULT(ok)
1628         ], [
1629                 AC_MSG_RESULT(no)
1630                 AC_ERROR(Posix system lacks support for recursive mutexes)
1631         ])
1632         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1633         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1634         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1635
1636         dnl **********************************
1637         dnl *** Check for mincore ***
1638         dnl **********************************
1639         AC_MSG_CHECKING(for mincore)
1640                 AC_TRY_LINK([
1641                 #include <stdio.h>
1642                 #include <sys/types.h>
1643                 #include <sys/mman.h>
1644         ], [
1645                 mincore(NULL, 0, NULL);
1646         ], [
1647                 # Yes, we have it...
1648                 AC_MSG_RESULT(yes)
1649                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1650         ], [
1651                 AC_MSG_RESULT(no)
1652         ])
1653
1654         dnl ***********************************
1655         dnl *** Checks for working __thread ***
1656         dnl ***********************************
1657         AC_MSG_CHECKING(for working __thread)
1658         if test "x$with_tls" != "x__thread"; then
1659                 AC_MSG_RESULT(disabled)
1660         elif test "x$cross_compiling" = "xyes"; then
1661                 AC_MSG_RESULT(cross compiling, assuming yes)
1662         else
1663                 AC_TRY_RUN([
1664                         #if defined(__APPLE__) && defined(__clang__)
1665                         #error "__thread does not currently work with clang on Mac OS X"
1666                         #endif
1667
1668                         #include <pthread.h>
1669                         __thread int i;
1670                         static int res1, res2;
1671
1672                         void thread_main (void *arg)
1673                         {
1674                                 i = arg;
1675                                 sleep (1);
1676                                 if (arg == 1)
1677                                         res1 = (i == arg);
1678                                 else
1679                                         res2 = (i == arg);
1680                         }
1681
1682                         int main () {
1683                                 pthread_t t1, t2;
1684
1685                                 i = 5;
1686
1687                                 pthread_create (&t1, NULL, thread_main, 1);
1688                                 pthread_create (&t2, NULL, thread_main, 2);
1689
1690                                 pthread_join (t1, NULL);
1691                                 pthread_join (t2, NULL);
1692
1693                                 return !(res1 + res2 == 2);
1694                         }
1695                 ], [
1696                                 AC_MSG_RESULT(yes)
1697                 ], [
1698                                 AC_MSG_RESULT(no)
1699                                 with_tls=pthread
1700                 ])
1701         fi
1702
1703         dnl **************************************
1704         dnl *** Checks for working sigaltstack ***
1705         dnl **************************************
1706         AC_MSG_CHECKING(for working sigaltstack)
1707         if test "x$with_sigaltstack" != "xyes"; then
1708                 AC_MSG_RESULT(disabled)
1709         elif test "x$cross_compiling" = "xyes"; then
1710                 AC_MSG_RESULT(cross compiling, assuming yes)
1711         else
1712                 AC_TRY_RUN([
1713                         #include <stdio.h>
1714                         #include <stdlib.h>
1715                         #include <unistd.h>
1716                         #include <signal.h>
1717                         #include <pthread.h>
1718                         #include <sys/wait.h>
1719                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1720                         #define SA_STACK SA_ONSTACK
1721                         #endif
1722                         static void
1723                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1724                         {
1725                                 exit (0);
1726                         }
1727
1728                         volatile char*__ptr = NULL;
1729                         static void *
1730                         loop (void *ignored)
1731                         {
1732                                 *__ptr = 0;
1733                                 return NULL;
1734                         }
1735
1736                         static void
1737                         child ()
1738                         {
1739                                 struct sigaction sa;
1740                         #ifdef __APPLE__
1741                                 stack_t sas;
1742                         #else
1743                                 struct sigaltstack sas;
1744                         #endif
1745                                 pthread_t id;
1746                                 pthread_attr_t attr;
1747
1748                                 sa.sa_sigaction = sigsegv_signal_handler;
1749                                 sigemptyset (&sa.sa_mask);
1750                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1751                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1752                                         perror ("sigaction");
1753                                         return;
1754                                 }
1755
1756                                 /* x86 darwin deliver segfaults using SIGBUS */
1757                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1758                                         perror ("sigaction");
1759                                         return;
1760                                 }
1761                                 sas.ss_sp = malloc (SIGSTKSZ);
1762                                 sas.ss_size = SIGSTKSZ;
1763                                 sas.ss_flags = 0;
1764                                 if (sigaltstack (&sas, NULL) == -1) {
1765                                         perror ("sigaltstack");
1766                                         return;
1767                                 }
1768
1769                                 pthread_attr_init (&attr);
1770                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1771                                         printf ("pthread_create\n");
1772                                         return;
1773                                 }
1774
1775                                 sleep (100);
1776                         }
1777
1778                         int
1779                         main ()
1780                         {
1781                                 pid_t son;
1782                                 int status;
1783                                 int i;
1784
1785                                 son = fork ();
1786                                 if (son == -1) {
1787                                         return 1;
1788                                 }
1789
1790                                 if (son == 0) {
1791                                         child ();
1792                                         return 0;
1793                                 }
1794
1795                                 for (i = 0; i < 300; ++i) {
1796                                         waitpid (son, &status, WNOHANG);
1797                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1798                                                 return 0;
1799                                         usleep (10000);
1800                                 }
1801
1802                                 kill (son, SIGKILL);
1803                                 return 1;
1804                         }
1805
1806                 ], [
1807                                 AC_MSG_RESULT(yes)
1808                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1809                 ], [
1810                                 with_sigaltstack=no
1811                                 AC_MSG_RESULT(no)
1812                 ])
1813         fi
1814
1815         dnl ********************************
1816         dnl *** Checks for semaphore lib ***
1817         dnl ********************************
1818         # 'Real Time' functions on Solaris
1819         # posix4 on Solaris 2.6
1820         # pthread (first!) on Linux
1821         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1822
1823         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1824         AC_CHECK_FUNCS(shm_open)
1825
1826         dnl ********************************
1827         dnl *** Checks for timezone stuff **
1828         dnl ********************************
1829         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1830                 AC_TRY_COMPILE([
1831                         #include <time.h>
1832                         ], [
1833                         struct tm tm;
1834                         tm.tm_gmtoff = 1;
1835                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1836         if test $ac_cv_struct_tm_gmtoff = yes; then
1837                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1838         else
1839                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1840                         AC_TRY_COMPILE([
1841                                 #include <time.h>
1842                         ], [
1843                                 timezone = 1;
1844                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1845                 if test $ac_cv_var_timezone = yes; then
1846                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1847                 else
1848                         AC_ERROR(unable to find a way to determine timezone)
1849                 fi
1850         fi
1851
1852         dnl *********************************
1853         dnl *** Checks for math functions ***
1854         dnl *********************************
1855         AC_SEARCH_LIBS(sqrtf, m)
1856         if test "x$has_broken_apple_cpp" != "xyes"; then
1857                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1858                         AC_TRY_LINK([#include <math.h>],
1859                         [ finite(0.0); ],
1860                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1861                         AC_MSG_RESULT(no)))
1862         fi
1863         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1864                 AC_TRY_LINK([#include <math.h>],
1865                 [ isfinite(0.0); ],
1866                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1867                 AC_MSG_RESULT(no)))
1868
1869         dnl ****************************************************************
1870         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1871         dnl *** have it in the library (duh))                            ***
1872         dnl ****************************************************************
1873         AC_CHECK_FUNCS(poll)
1874
1875         dnl *************************
1876         dnl *** Check for signbit ***
1877         dnl *************************
1878         AC_MSG_CHECKING(for signbit)
1879         AC_TRY_LINK([#include <math.h>], [
1880                 int s = signbit(1.0);
1881         ], [
1882                 AC_MSG_RESULT(yes)
1883                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1884         ], [
1885                 AC_MSG_RESULT(no)
1886         ])
1887
1888         dnl **********************************
1889         dnl *** epoll                      ***
1890         dnl **********************************
1891         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1892                 AC_CHECK_HEADERS(sys/epoll.h)
1893                 haveepoll=no
1894                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1895                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1896                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1897                 fi
1898         fi
1899
1900         havekqueue=no
1901
1902         AC_CHECK_HEADERS(sys/event.h)
1903         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1904
1905         dnl **************************************
1906         dnl * Darwin has a race that prevents us from using reliably:
1907         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1908         dnl * Since kqueue is mostly used for scaling large web servers,
1909         dnl * and very few folks run Mono on large web servers on OSX, falling
1910         dnl * back
1911         dnl **************************************
1912         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1913                 if test "x$host_darwin" = "xno"; then
1914                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1915                 fi
1916         fi
1917
1918         dnl ******************************
1919         dnl *** Checks for SIOCGIFCONF ***
1920         dnl ******************************
1921         AC_CHECK_HEADERS(sys/ioctl.h)
1922         AC_CHECK_HEADERS(net/if.h, [], [],
1923            [
1924            #ifdef HAVE_SYS_TYPES_H
1925            # include <sys/types.h>
1926            #endif
1927            #ifdef HAVE_SYS_SOCKET_H
1928            # include <sys/socket.h>
1929            #endif
1930            ])
1931         AC_MSG_CHECKING(for ifreq)
1932         AC_TRY_COMPILE([
1933                 #include <stdio.h>
1934                 #include <sys/ioctl.h>
1935                 #include <net/if.h>
1936                 ], [
1937                 struct ifconf ifc;
1938                 struct ifreq *ifr;
1939                 void *x;
1940                 ifc.ifc_len = 0;
1941                 ifc.ifc_buf = NULL;
1942                 x = (void *) &ifr->ifr_addr;
1943                 ],[
1944                         AC_MSG_RESULT(yes)
1945                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1946                 ], [
1947                         AC_MSG_RESULT(no)
1948                 ])
1949         dnl **********************************
1950         dnl ***     Checks for sin_len     ***
1951         dnl **********************************
1952         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1953         AC_TRY_COMPILE([
1954                 #include <netinet/in.h>
1955                 ], [
1956                 struct sockaddr_in saddr;
1957                 saddr.sin_len = sizeof (saddr);
1958                 ],[
1959                         AC_MSG_RESULT(yes)
1960                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1961                 ], [
1962                         AC_MSG_RESULT(no)
1963                 ])
1964         dnl **********************************
1965         dnl ***    Checks for sin6_len     ***
1966         dnl **********************************
1967         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1968         AC_TRY_COMPILE([
1969                 #include <netinet/in.h>
1970                 ], [
1971                 struct sockaddr_in6 saddr6;
1972                 saddr6.sin6_len = sizeof (saddr6);
1973                 ],[
1974                         AC_MSG_RESULT(yes)
1975                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1976                 ], [
1977                         AC_MSG_RESULT(no)
1978                 ])
1979         dnl **********************************
1980         dnl *** Check for getifaddrs       ***
1981         dnl **********************************
1982         AC_MSG_CHECKING(for getifaddrs)
1983                 AC_TRY_LINK([
1984                 #include <stdio.h>
1985                 #include <sys/types.h>
1986                 #include <sys/socket.h>
1987                 #include <ifaddrs.h>
1988         ], [
1989                 getifaddrs(NULL);
1990         ], [
1991                 # Yes, we have it...
1992                 AC_MSG_RESULT(yes)
1993                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1994         ], [
1995                 AC_MSG_RESULT(no)
1996         ])
1997         dnl **********************************
1998         dnl *** Check for if_nametoindex   ***
1999         dnl **********************************
2000         AC_MSG_CHECKING(for if_nametoindex)
2001                 AC_TRY_LINK([
2002                 #include <stdio.h>
2003                 #include <sys/types.h>
2004                 #include <sys/socket.h>
2005                 #include <net/if.h>
2006         ], [
2007                 if_nametoindex(NULL);
2008         ], [
2009                 # Yes, we have it...
2010                 AC_MSG_RESULT(yes)
2011                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2012         ], [
2013                 AC_MSG_RESULT(no)
2014         ])
2015
2016         dnl **********************************
2017         dnl *** Checks for MonoPosixHelper ***
2018         dnl **********************************
2019         AC_CHECK_HEADERS(checklist.h)
2020         AC_CHECK_HEADERS(pathconf.h)
2021         AC_CHECK_HEADERS(fstab.h)
2022         AC_CHECK_HEADERS(attr/xattr.h)
2023         AC_CHECK_HEADERS(sys/extattr.h)
2024         AC_CHECK_HEADERS(sys/sendfile.h)
2025         AC_CHECK_HEADERS(sys/statvfs.h)
2026         AC_CHECK_HEADERS(sys/statfs.h)
2027         AC_CHECK_HEADERS(sys/vfstab.h)
2028         AC_CHECK_HEADERS(sys/xattr.h)
2029         AC_CHECK_HEADERS(sys/mman.h)
2030         AC_CHECK_HEADERS(sys/param.h)
2031         AC_CHECK_HEADERS(sys/mount.h, [], [],
2032                 [
2033                 #ifdef HAVE_SYS_PARAM_H
2034                 # include <sys/param.h>
2035                 #endif
2036                 ])
2037         AC_CHECK_HEADERS(sys/mount.h)
2038         AC_CHECK_FUNCS(confstr)
2039         AC_CHECK_FUNCS(seekdir telldir)
2040         AC_CHECK_FUNCS(getdomainname)
2041         AC_CHECK_FUNCS(setdomainname)
2042         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2043         AC_CHECK_FUNCS(setgroups)
2044         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2045         AC_CHECK_FUNCS(getfsstat)
2046         AC_CHECK_FUNCS(lutimes futimes)
2047         AC_CHECK_FUNCS(mremap)
2048         AC_CHECK_FUNCS(remap_file_pages)
2049         AC_CHECK_FUNCS(posix_fadvise)
2050         AC_CHECK_FUNCS(posix_fallocate)
2051         AC_CHECK_FUNCS(posix_madvise)
2052         AC_CHECK_FUNCS(vsnprintf)
2053         AC_CHECK_FUNCS(sendfile)
2054         AC_CHECK_FUNCS(gethostid sethostid)
2055         AC_CHECK_FUNCS(sethostname)
2056         AC_CHECK_FUNCS(statfs)
2057         AC_CHECK_FUNCS(fstatfs)
2058         AC_CHECK_FUNCS(statvfs)
2059         AC_CHECK_FUNCS(fstatvfs)
2060         AC_CHECK_FUNCS(stime)
2061         AC_CHECK_FUNCS(strerror_r)
2062         AC_CHECK_FUNCS(ttyname_r)
2063         AC_CHECK_FUNCS(psignal)
2064         AC_CHECK_FUNCS(getlogin_r)
2065         AC_CHECK_FUNCS(lockf)
2066         AC_CHECK_FUNCS(swab)
2067         AC_CHECK_FUNCS(setusershell endusershell)
2068         AC_CHECK_FUNCS(futimens utimensat)
2069         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2070         AC_CHECK_FUNCS(readv writev preadv pwritev)
2071         AC_CHECK_FUNCS(setpgid)
2072         AC_CHECK_FUNCS(system)
2073         AC_CHECK_FUNCS(fork execv execve)
2074         AC_CHECK_FUNCS(accept4)
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 cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2087                 [#include <sys/socket.h>])
2088         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2089                 [#include <unistd.h>
2090                  #include <fcntl.h>])
2091         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2092                 [#include <sys/uio.h>])
2093         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2094                 [#include <sys/socket.h>])
2095         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2096                 [#include <sys/poll.h>])
2097         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2098                 [#include <sys/socket.h>])
2099         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2100                 [#include <sys/socket.h>])
2101         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2102                 [#include <netinet/in.h>])
2103         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2104                 [#include <netinet/in.h>])
2105         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2106                 [#include <sys/un.h>])
2107         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2108                 [#include <sys/types.h>
2109                  #include <sys/stat.h>
2110                  #include <unistd.h>])
2111         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2112                 [#include <time.h>])
2113         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2114                 [#include <sys/time.h>
2115                  #include <sys/types.h>
2116                  #include <utime.h>])
2117         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2118                 [#include <sys/time.h>])
2119         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2120                 [#include <sys/types.h>
2121                  #include <utime.h>])
2122         AC_CHECK_MEMBERS(
2123                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2124                 [#include <sys/types.h>
2125                  #include <dirent.h>])
2126         AC_CHECK_MEMBERS(
2127                 [struct passwd.pw_gecos],,,
2128                 [#include <sys/types.h>
2129                  #include <pwd.h>])
2130         AC_CHECK_MEMBERS(
2131                 [struct statfs.f_flags],,,
2132                 [#include <sys/types.h>
2133                  #include <sys/vfs.h>])
2134         AC_CHECK_MEMBERS(
2135                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2136                 [#include <sys/types.h>
2137                  #include <sys/stat.h>
2138                  #include <unistd.h>])
2139
2140         dnl Favour xattr through glibc, but use libattr if we have to
2141         AC_CHECK_FUNC(lsetxattr, ,
2142                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2143         )
2144         AC_SUBST(XATTR_LIB)
2145
2146         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2147         AC_CHECK_MEMBERS(
2148                 [struct kinfo_proc.kp_proc],,,
2149                 [#include <sys/types.h>
2150                  #include <sys/param.h>
2151                  #include <sys/sysctl.h>
2152                  #include <sys/proc.h>
2153                  ])
2154
2155         dnl *********************************
2156         dnl *** Checks for Windows compilation ***
2157         dnl *********************************
2158         AC_CHECK_HEADERS(sys/time.h)
2159         AC_CHECK_HEADERS(sys/param.h)
2160         AC_CHECK_HEADERS(dirent.h)
2161
2162         dnl ******************************************
2163         dnl *** Checks for OSX and iOS compilation ***
2164         dnl ******************************************
2165         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2166
2167         dnl *********************************
2168         dnl *** Check for Console 2.0 I/O ***
2169         dnl *********************************
2170         AC_CHECK_HEADERS([curses.h])
2171         AC_CHECK_HEADERS([term.h], [], [],
2172         [#if HAVE_CURSES_H
2173          #include <curses.h>
2174          #endif
2175         ])
2176         AC_CHECK_HEADERS([termios.h])
2177 else
2178         dnl *********************************
2179         dnl *** Checks for Windows compilation ***
2180         dnl *********************************
2181         AC_CHECK_HEADERS(winternl.h)
2182
2183         jdk_headers_found=no
2184         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2185         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2186         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2187         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2188         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2189         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2190         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2191
2192         dnl *********************************
2193         dnl *** Check for struct ip_mreqn ***
2194         dnl *********************************
2195         AC_MSG_CHECKING(for struct ip_mreqn)
2196         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2197                 struct ip_mreqn mreq;
2198                 mreq.imr_address.s_addr = 0;
2199         ], [
2200                 # Yes, we have it...
2201                 AC_MSG_RESULT(yes)
2202                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2203         ], [
2204                 # We'll just have to try and use struct ip_mreq
2205                 AC_MSG_RESULT(no)
2206                 AC_MSG_CHECKING(for struct ip_mreq)
2207                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2208                         struct ip_mreq mreq;
2209                         mreq.imr_interface.s_addr = 0;
2210                 ], [
2211                         # Yes, we have it...
2212                         AC_MSG_RESULT(yes)
2213                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2214                 ], [
2215                         # No multicast support
2216                         AC_MSG_RESULT(no)
2217                 ])
2218         ])
2219
2220         dnl **********************************
2221         dnl *** Check for getaddrinfo ***
2222         dnl **********************************
2223         AC_MSG_CHECKING(for getaddrinfo)
2224                 AC_TRY_LINK([
2225                 #include <stdio.h>
2226                 #include <winsock2.h>
2227                 #include <ws2tcpip.h>
2228         ], [
2229                 getaddrinfo(NULL,NULL,NULL,NULL);
2230         ], [
2231                 # Yes, we have it...
2232                 AC_MSG_RESULT(yes)
2233                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2234         ], [
2235                 AC_MSG_RESULT(no)
2236         ])
2237
2238         dnl **********************************
2239         dnl *** Check for gethostbyname ***
2240         dnl **********************************
2241         AC_MSG_CHECKING(for gethostbyname)
2242                 AC_TRY_LINK([
2243                 #include <stdio.h>
2244                 #include <winsock2.h>
2245                 #include <ws2tcpip.h>
2246         ], [
2247                 gethostbyname(NULL);
2248         ], [
2249                 # Yes, we have it...
2250                 AC_MSG_RESULT(yes)
2251                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2252         ], [
2253                 AC_MSG_RESULT(no)
2254         ])
2255
2256         dnl **********************************
2257         dnl *** Check for getprotobyname ***
2258         dnl **********************************
2259         AC_MSG_CHECKING(for getprotobyname)
2260                 AC_TRY_LINK([
2261                 #include <stdio.h>
2262                 #include <winsock2.h>
2263                 #include <ws2tcpip.h>
2264         ], [
2265                 getprotobyname(NULL);
2266         ], [
2267                 # Yes, we have it...
2268                 AC_MSG_RESULT(yes)
2269                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2270         ], [
2271                 AC_MSG_RESULT(no)
2272         ])
2273
2274         dnl **********************************
2275         dnl *** Check for getnameinfo ***
2276         dnl **********************************
2277         AC_MSG_CHECKING(for getnameinfo)
2278                 AC_TRY_LINK([
2279                 #include <stdio.h>
2280                 #include <winsock2.h>
2281                 #include <ws2tcpip.h>
2282         ], [
2283                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2284         ], [
2285                 # Yes, we have it...
2286                 AC_MSG_RESULT(yes)
2287                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2288         ], [
2289                 AC_MSG_RESULT(no)
2290         ])
2291
2292         dnl **********************************
2293         dnl *** Check for inet_ntop ***
2294         dnl **********************************
2295         AC_MSG_CHECKING(for inet_ntop)
2296                 AC_TRY_LINK([
2297                 #include <stdio.h>
2298                 #include <winsock2.h>
2299                 #include <ws2tcpip.h>
2300         ], [
2301                 inet_ntop (0, NULL, NULL, 0);
2302         ], [
2303                 # Yes, we have it...
2304                 AC_MSG_RESULT(yes)
2305                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2306         ], [
2307                 AC_MSG_RESULT(no)
2308         ])
2309
2310         dnl **********************************
2311         dnl *** Check for inet_pton ***
2312         dnl **********************************
2313         AC_MSG_CHECKING(for inet_pton)
2314                 AC_TRY_LINK([
2315                 #include <stdio.h>
2316                 #include <winsock2.h>
2317                 #include <ws2tcpip.h>
2318         ], [
2319                 #ifndef inet_pton
2320                 (void) inet_pton;
2321                 #endif
2322                 inet_pton (0, NULL, NULL);
2323         ], [
2324                 # Yes, we have it...
2325                 AC_MSG_RESULT(yes)
2326                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2327         ], [
2328                 AC_MSG_RESULT(no)
2329         ])
2330
2331         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2332         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2333         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2334         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2335         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2336         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2337         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2338 fi
2339
2340 dnl socklen_t check
2341 AC_MSG_CHECKING(for socklen_t)
2342 AC_TRY_COMPILE([
2343 #include <sys/types.h>
2344 #include <sys/socket.h>
2345 ],[
2346   socklen_t foo;
2347 ],[
2348 ac_cv_c_socklen_t=yes
2349         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2350         AC_MSG_RESULT(yes)
2351 ],[
2352         AC_MSG_RESULT(no)
2353 ])
2354
2355 AC_MSG_CHECKING(for array element initializer support)
2356 AC_TRY_COMPILE([#include <sys/socket.h>], [
2357         const int array[] = {[1] = 2,};
2358 ], [
2359         # Yes, we have it...
2360         AC_MSG_RESULT(yes)
2361         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2362 ], [
2363         # We'll have to use signals
2364         AC_MSG_RESULT(no)
2365 ])
2366
2367 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2368         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2369         AC_TRY_LINK([#include <math.h>],
2370         [ static void *p = &trunc; ],
2371         [
2372                 AC_DEFINE(HAVE_TRUNC)
2373                 AC_MSG_RESULT(yes)
2374                 ac_cv_trunc=yes
2375         ],
2376         AC_MSG_RESULT(no)))
2377
2378 if test "x$ac_cv_truncl" != "xyes"; then
2379    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2380 fi
2381
2382 AC_CHECK_FUNCS(execvp)
2383
2384 dnl ****************************
2385 dnl *** Look for /dev/random ***
2386 dnl ****************************
2387
2388 AC_MSG_CHECKING([if usage of random device is requested])
2389 AC_ARG_ENABLE(dev-random,
2390 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2391 try_dev_random=$enableval, try_dev_random=yes)
2392
2393 AC_MSG_RESULT($try_dev_random)
2394
2395 case "{$build}" in
2396     *-openbsd*)
2397     NAME_DEV_RANDOM="/dev/srandom"
2398     ;;
2399
2400 dnl Win32 does not have /dev/random, they have their own method...
2401
2402     *-mingw*|*-*-cygwin*)
2403     ac_cv_have_dev_random=no
2404     ;;
2405
2406 dnl Everywhere else, it's /dev/random
2407
2408     *)
2409     NAME_DEV_RANDOM="/dev/random"
2410     ;;
2411 esac
2412
2413 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2414
2415 dnl Now check if the device actually exists
2416
2417 if test "x$try_dev_random" = "xyes"; then
2418     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2419     [if test -r "$NAME_DEV_RANDOM" ; then
2420         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2421     if test "x$ac_cv_have_dev_random" = "xyes"; then
2422         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2423     fi
2424 else
2425     AC_MSG_CHECKING(for random device)
2426     ac_cv_have_dev_random=no
2427     AC_MSG_RESULT(has been disabled)
2428 fi
2429
2430 if test "x$host_win32" = "xyes"; then
2431     AC_DEFINE(HAVE_CRYPT_RNG)
2432 fi
2433
2434 if test "x$ac_cv_have_dev_random" = "xno" \
2435     && test "x$host_win32" = "xno"; then
2436     AC_MSG_WARN([[
2437 ***
2438 *** A system-provided entropy source was not found on this system.
2439 *** Because of this, the System.Security.Cryptography random number generator
2440 *** will throw a NotImplemented exception.
2441 ***
2442 *** If you are seeing this message, and you know your system DOES have an
2443 *** entropy collection in place, please contact <crichton@gimp.org> and
2444 *** provide information about the system and how to access the random device.
2445 ***
2446 *** Otherwise you can install either egd or prngd and set the environment
2447 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2448 ***]])
2449 fi
2450
2451 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2452
2453 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2454 if test "x$test_perf_events" = "xyes"; then
2455         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2456         AC_SUBST(ENABLE_PERF_EVENTS)
2457 fi
2458
2459 AC_MSG_CHECKING([if big-arrays are to be enabled])
2460 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2461 if test "x$enable_big_arrays" = "xyes" ; then
2462     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2463         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2464     else
2465         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2466     fi
2467 fi
2468 AC_MSG_RESULT($enable_big_arrays)
2469
2470 dnl **************
2471 dnl *** DTRACE ***
2472 dnl **************
2473
2474 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2475
2476 if test "x$enable_dtrace" = "xyes"; then
2477    if test "x$has_dtrace" = "xno"; then
2478           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2479    fi
2480    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2481    if test "x$DTRACE" = "xno"; then
2482           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2483           enable_dtrace=no
2484    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2485           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2486           enable_dtrace=no
2487    fi
2488 fi
2489
2490 dtrace_g=no
2491 if test "x$enable_dtrace" = "xyes"; then
2492         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2493         DTRACEFLAGS=
2494         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2495                 case "$host" in
2496                         powerpc-*-darwin*)
2497                         DTRACEFLAGS="-arch ppc64"
2498                         ;;
2499                         i*86-*-darwin*)
2500                         DTRACEFLAGS="-arch x86_64"
2501                         ;;
2502                         *)
2503                         DTRACEFLAGS=-64
2504                         ;;
2505                 esac
2506         else
2507                 case "$host" in
2508                         powerpc-*-darwin*)
2509                         DTRACEFLAGS="-arch ppc"
2510                         ;;
2511                         i*86-*-darwin*)
2512                         DTRACEFLAGS="-arch i386"
2513                         ;;
2514                         *)
2515                         DTRACEFLAGS=-32
2516                         ;;
2517                 esac
2518         fi
2519         AC_SUBST(DTRACEFLAGS)
2520         case "$host" in
2521                 *-*-solaris*)
2522                 dtrace_g=yes
2523                 ;;
2524         esac
2525         AC_CHECK_HEADERS([sys/sdt.h])
2526 fi
2527 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2528 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2529
2530 dnl **************
2531 dnl ***  NaCl  ***
2532 dnl **************
2533
2534 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2535 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2536
2537 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2538
2539 dnl
2540 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2541 dnl
2542 nacl_self_host=""
2543 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2544    nacl_self_host="nacl_self_host"
2545 fi
2546 AC_SUBST(nacl_self_host)
2547
2548 if test "x$enable_nacl_codegen" = "xyes"; then
2549    MONO_NACL_ALIGN_MASK_OFF=1
2550    AC_DEFINE(TARGET_NACL, 1, [...])
2551    AC_DEFINE(__native_client_codegen__, 1, [...])
2552 fi
2553 if test "x$enable_nacl_gc" = "xyes"; then
2554    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2555       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2556    else
2557       # Not yet implemented
2558       INSTRUMENT_CFLAG=""
2559    fi
2560    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2561 fi
2562 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2563
2564 dnl **************************
2565 dnl *** AOT cross offsets  ***
2566 dnl **************************
2567
2568 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2569     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
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 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2579
2580 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2581
2582 if test "x$enable_llvm" = "xyes"; then
2583    if test "x$with_llvm" != "x"; then
2584           LLVM_CONFIG=$with_llvm/bin/llvm-config
2585           if test x$host_win32 = xyes; then
2586                 LLVM_CONFIG=$LLVM_CONFIG.exe
2587           fi
2588           if test ! -x $LLVM_CONFIG; then
2589                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2590       fi
2591    else
2592       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2593       if test "x$LLVM_CONFIG" = "xno"; then
2594              AC_MSG_ERROR([llvm-config not found.])
2595       fi
2596    fi
2597
2598    llvm_codegen="x86codegen"
2599    case "$target" in
2600    arm*)
2601                 llvm_codegen="armcodegen"
2602                 ;;
2603    esac
2604
2605    if test "x$host_win32" = "xno"; then
2606
2607    # Should be something like '2.6' or '2.7svn'
2608    llvm_version=`$LLVM_CONFIG --version`
2609    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2610    AC_MSG_CHECKING(LLVM version)
2611    AC_MSG_RESULT($llvm_version $llvm_api_version)
2612    if echo $llvm_version | grep -q 'mono'; then
2613           if test "x$enable_llvm_version_check" = "xyes"; then
2614                  if test "$llvm_version" != "$expected_llvm_version"; then
2615                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2616                  fi
2617           fi
2618    else
2619           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.])
2620    fi
2621
2622    # The output of --cflags seems to include optimizations flags too
2623    if test $llvm_api_version -gt 100; then
2624           # The --cflags argument includes all kinds of warnings -pendantic etc.
2625           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2626           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2627    else
2628           LLVM_CFLAGS=`$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'`
2629       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2630    fi
2631    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2632    # from LLVM classes.
2633    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2634    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2635    # This might include empty lines
2636    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2637    llvm_jit_supported=yes
2638    llvm_jit_libs="jit mcjit $llvm_codegen"
2639    if test $llvm_api_version -gt 100; then
2640           # Based on llvm 3.9, only aot is currently supported
2641       llvm_jit_libs="orcjit $llvm_codegen"
2642    elif test "x$host" != "x$target"; then
2643       # No need for jit libs
2644           llvm_jit_supported=no
2645       llvm_jit_libs=""
2646    fi
2647    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2648    if test "x$LLVM_LIBS" = "x"; then
2649           echo "$LLVM_CONFIG --libs failed."
2650           exit 1
2651    fi
2652    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2653    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2654    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2655       LLVM_LIBS="$LLVM_LIBS -lc++"
2656    else
2657       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2658    fi
2659
2660    expected_llvm_version="3.4svn-mono-mono/e656cac"
2661
2662    else
2663        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2664        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2665        LLVM_LDFLAGS="-L$with_llvm/lib"
2666        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2667        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2668          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2669          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2670          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2671          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2672          -lLLVMAnalysis -lLLVMTarget \
2673          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2674          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2675          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2676          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2677          -lLLVMSupport -lstdc++"
2678        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2679
2680        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2681        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2682    fi
2683
2684    if test "x$llvm_api_version" = "x"; then
2685           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2686           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2687    else
2688           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2689           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2690    fi
2691
2692    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2693
2694    AC_SUBST(LLVM_CFLAGS)
2695    AC_SUBST(LLVM_CXXFLAGS)
2696    AC_SUBST(LLVM_LIBS)
2697    AC_SUBST(LLVM_LDFLAGS)
2698    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2699 fi
2700
2701 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2702 if test "x$enable_loadedllvm" = "xyes"; then
2703    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2704 fi
2705 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2706
2707 if test "x$enable_llvm" = "xyes"; then
2708    enable_llvm_runtime=yes
2709 fi
2710 if test "x$enable_llvm_runtime" = "xyes"; then
2711    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2712 fi
2713 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2714
2715 TARGET="unknown"
2716 ACCESS_UNALIGNED="yes"
2717
2718 LIBC="libc.so.6"
2719 INTL="libc.so.6"
2720 SQLITE="libsqlite.so.0"
2721 SQLITE3="libsqlite3.so.0"
2722 X11="libX11.so"
2723 GDKX11="libgdk-x11-2.0.so.0"
2724 GTKX11="libgtk-x11-2.0.so.0"
2725 XINERAMA="libXinerama.so.1"
2726
2727 sizeof_register="SIZEOF_VOID_P"
2728
2729 jit_wanted=true
2730 boehm_supported=true
2731 case "$host" in
2732         mips*)
2733                 TARGET=MIPS;
2734                 arch_target=mips;
2735                 with_tls=pthread;
2736                 ACCESS_UNALIGNED="no"
2737
2738                 AC_MSG_CHECKING(for mips n32)
2739                 AC_TRY_COMPILE([],[
2740                 #if _MIPS_SIM != _ABIN32
2741                 #error Not mips n32
2742                 #endif
2743                 return 0;
2744                 ],[
2745                 AC_MSG_RESULT(yes)
2746                 sizeof_register=8
2747                 ],[
2748                 AC_MSG_RESULT(no)
2749                 ])
2750                 ;;
2751         i*86-*-*)
2752                 TARGET=X86;
2753                 arch_target=x86;
2754                 case $host_os in
2755                   solaris*)
2756                         LIBC="libc.so"
2757                         INTL="libintl.so"
2758                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2759                                 TARGET=AMD64
2760                                 arch_target=amd64
2761                         fi
2762
2763                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2764                         # int astruct __attribute__ ((visibility ("hidden")));
2765                         # void foo ()
2766                         # {
2767                         #       void *p = &astruct;
2768                         # }
2769                         # gcc -fPIC --shared -o libfoo.so foo.c
2770                         # yields:
2771                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2772                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2773                         have_visibility_hidden=no
2774                         ;;
2775                   mingw*|cygwin*)
2776                         have_visibility_hidden=no
2777                         ;;
2778                   haiku*)
2779                         LIBC=libroot.so
2780                         ;;
2781                   linux*)
2782                         AOT_SUPPORTED="yes"
2783                         ;;
2784                   darwin*)
2785                         AOT_SUPPORTED="yes"
2786                         ;;
2787                   openbsd*|freebsd*|kfreebsd-gnu*)
2788                         ;;
2789                 esac
2790                 ;;
2791         x86_64-*-* | amd64-*-*)
2792                 TARGET=AMD64;
2793                 arch_target=amd64;
2794                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2795                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2796                         sizeof_register=8
2797                 fi
2798                 case $host_os in
2799                   linux*)
2800                         AOT_SUPPORTED="yes"
2801                         ;;
2802                   darwin*)
2803                         AOT_SUPPORTED="yes"
2804                         ;;
2805                   openbsd*|freebsd*|kfreebsd-gnu*)
2806                         ;;
2807                   mingw*)
2808                         ;;
2809                 esac
2810                 case "$host" in
2811                         x86_64-*-nacl*)
2812                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2813                                 sizeof_register=8
2814                                 ;;
2815                 esac
2816                 ;;
2817         ia64-*-*)
2818                 TARGET=IA64
2819                 arch_target=ia64
2820                 ACCESS_UNALIGNED="no"
2821                 LIBC="libc.so.6.1"
2822                 INTL="libc.so.6.1"
2823                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2824                 libmono_ldflags="-lunwind"
2825                 ;;
2826         sparc*-*-*)
2827                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2828                    TARGET=SPARC64
2829                 else
2830                         TARGET=SPARC
2831                 fi
2832                 arch_target=sparc;
2833                 ACCESS_UNALIGNED="no"
2834                 case $host_os in
2835                   linux*) ;;
2836                   *)
2837                         LIBC="libc.so"
2838                         INTL="libintl.so"
2839                 esac
2840                 if test x"$GCC" = xyes; then
2841                         # We don't support v8 cpus
2842                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2843                 fi
2844                 if test x"$AR" = xfalse; then
2845                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2846                 fi
2847                 ;;
2848         *-mingw*|*-*-cygwin*)
2849                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2850                 have_visibility_hidden=no
2851                 INTL="intl"
2852                 ;;
2853         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2854         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2855                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2856                         TARGET=POWERPC64;
2857                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2858                         CFLAGS="$CFLAGS -mminimal-toc"
2859                 else
2860                         TARGET=POWERPC;
2861                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2862                 fi
2863                 arch_target=ppc;
2864                 case $host_os in
2865                   linux*|darwin*)
2866                         ;;
2867                 esac
2868                 ;;
2869         armv7k-*-darwin*)
2870                 TARGET=ARM;
2871                 TARGET_SYS=WATCHOS
2872                 arch_target=arm;
2873                 arm_fpu=VFP_HARD
2874                 ACCESS_UNALIGNED="no"
2875                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2876                 ;;
2877
2878         arm*-darwin*)
2879                 TARGET=ARM;
2880                 arch_target=arm;
2881                 ACCESS_UNALIGNED="no"
2882                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2883                 ;;
2884         arm*-linux*)
2885                 TARGET=ARM;
2886                 arch_target=arm;
2887                 ACCESS_UNALIGNED="no"
2888                 AOT_SUPPORTED="yes"
2889                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2890                 ;;
2891         arm*-netbsd*-eabi*)
2892                 TARGET=ARM;
2893                 arch_target=arm;
2894                 ACCESS_UNALIGNED="no"
2895                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2896                 ;;
2897 # TODO: make proper support for NaCl host.
2898 #        arm*-*nacl)
2899 #               TARGET=ARM;
2900 #               arch_target=arm;
2901 #               ACCESS_UNALIGNED="no"
2902 #               AOT_SUPPORTED="no"
2903 #               ;;
2904         aarch64-*)
2905                 # https://lkml.org/lkml/2012/7/15/133
2906                 TARGET=ARM64
2907                 arch_target=arm64
2908                 boehm_supported=false
2909                 ;;
2910         s390x-*-linux*)
2911                 TARGET=S390X;
2912                 arch_target=s390x;
2913                 ACCESS_UNALIGNED="yes"
2914                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2915                 ;;
2916 esac
2917
2918 HOST=$TARGET
2919
2920 if test "x$host" != "x$target"; then
2921    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2922    enable_mcs_build=no
2923    case "$target" in
2924    arm*-darwin*)
2925                 TARGET=ARM;
2926                 arch_target=arm;
2927                 ACCESS_UNALIGNED="no"
2928                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2929                 # Can't use tls, since it depends on the runtime detection of tls offsets
2930                 # in mono-compiler.h
2931                 with_tls=pthread
2932                 case "$target" in
2933                 armv7k-*)
2934                         arm_fpu=VFP_HARD
2935                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
2936                         ;;
2937                 esac
2938                 ;;
2939    powerpc64-ps3-linux-gnu)
2940                 TARGET=POWERPC64
2941                 arch_target=powerpc64
2942                 AC_DEFINE(TARGET_PS3, 1, [...])
2943                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2944                 # uses this define
2945                 AC_DEFINE(__mono_ppc64__, 1, [...])
2946                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2947                 sizeof_register=8
2948                 target_byte_order=G_BIG_ENDIAN
2949                 ;;
2950    powerpc64-xbox360-linux-gnu)
2951                 TARGET=POWERPC64
2952                 arch_target=powerpc64
2953                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2954                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2955                 # uses this define
2956                 sizeof_register=8
2957                 target_byte_order=G_BIG_ENDIAN
2958                 ;;
2959    x86_64-*-nacl)
2960                 TARGET=AMD64
2961                 arch_target=amd64
2962                 AC_DEFINE(TARGET_AMD64, 1, [...])
2963                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2964                 sizeof_register=8
2965                 ;;
2966 # TODO: make proper support for NaCl target.
2967 #   arm*-*nacl)
2968 #               TARGET=ARM
2969 #               arch_target=arm
2970 #               AC_DEFINE(TARGET_ARM, 1, [...])
2971 #               ACCESS_UNALIGNED="no"
2972 #               sizeof_register=4
2973 #               CPPFLAGS="$CPPFLAGS \
2974 #                    -D__ARM_EABI__ \
2975 #                    -D__arm__ \
2976 #                    -D__portable_native_client__ \
2977 #                    -Dtimezone=_timezone \
2978 #                    -DDISABLE_SOCKETS \
2979 #                    -DDISABLE_ATTACH \
2980 #                    -DUSE_NEWLIB"
2981                 # Can't use tls, since it depends on the runtime detection of tls offsets
2982                 # in mono-compiler.h
2983 #               with_tls=pthread
2984 #               ;;
2985    i686-*-nacl)
2986                 TARGET=X86
2987                 arch_target=x86
2988                 AC_DEFINE(TARGET_X86, 1, [...])
2989                 sizeof_register=4
2990                 ;;
2991    arm*-linux-*)
2992                 TARGET=ARM;
2993                 arch_target=arm;
2994                 AC_DEFINE(TARGET_ARM, 1, [...])
2995                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2996                 ACCESS_UNALIGNED="no"
2997                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2998                 # Can't use tls, since it depends on the runtime detection of tls offsets
2999                 # in mono-compiler.h
3000                 with_tls=pthread
3001                 target_mach=no
3002                 case "$target" in
3003                 armv7l-unknown-linux-gnueabi*)
3004                         # TEGRA
3005                         CPPFLAGS="$CPPFLAGS"
3006                         ;;
3007                 armv5-*-linux-androideabi*)
3008                         CPPFLAGS="$CPPFLAGS"
3009                         ;;
3010                 esac
3011                 ;;
3012    arm*-netbsd*-eabi*)
3013                 TARGET=ARM;
3014                 arch_target=arm;
3015                 AC_DEFINE(TARGET_ARM, 1, [...])
3016                 ACCESS_UNALIGNED="no"
3017                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3018                 # Can't use tls, since it depends on the runtime detection of tls offsets
3019                 # in mono-compiler.h
3020                 with_tls=pthread
3021                 target_mach=no
3022                 ;;
3023    i686*-linux-*)
3024                 TARGET=X86;
3025                 arch_target=x86;
3026                 AC_DEFINE(TARGET_X86, 1, [...])
3027                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3028                 CPPFLAGS="$CPPFLAGS"
3029                 # Can't use tls, since it depends on the runtime detection of tls offsets
3030                 # in mono-compiler.h
3031                 with_tls=pthread
3032                 target_mach=no
3033                 ;;
3034    x86_64*-linux-*)
3035                 TARGET=AMD64;
3036                 arch_target=amd64;
3037                 AC_DEFINE(TARGET_AMD64, 1, [...])
3038                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3039                 CPPFLAGS="$CPPFLAGS"
3040                 # Can't use tls, since it depends on the runtime detection of tls offsets
3041                 # in mono-compiler.h
3042                 with_tls=pthread
3043                 target_mach=no
3044                 ;;
3045    x86_64-ps4-freebsd)
3046                 TARGET=AMD64;
3047                 arch_target=amd64;
3048                 AC_DEFINE(TARGET_AMD64, 1, [...])
3049                 AC_DEFINE(TARGET_PS4, 1, [...])
3050                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3051                 CPPFLAGS="$CPPFLAGS"
3052                 # Can't use tls, since it depends on the runtime detection of tls offsets
3053                 # in mono-compiler.h
3054                 with_tls=pthread
3055                 target_mach=no
3056                 target_win32=no
3057                 ;;
3058    aarch64*-linux-*)
3059                 TARGET=ARM64;
3060                 arch_target=arm64;
3061                 AC_DEFINE(TARGET_ARM64, 1, [...])
3062                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3063                 CPPFLAGS="$CPPFLAGS"
3064                 # Can't use tls, since it depends on the runtime detection of tls offsets
3065                 # in mono-compiler.h
3066                 with_tls=pthread
3067                 target_mach=no
3068                 ;;
3069         aarch64-*)
3070                 TARGET=ARM64
3071                 ;;
3072         *)
3073                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3074         esac
3075 fi
3076
3077 case "$TARGET" in
3078 X86)
3079         AC_DEFINE(TARGET_X86, 1, [...])
3080         ;;
3081 AMD64)
3082         AC_DEFINE(TARGET_AMD64, 1, [...])
3083         ;;
3084 ARM)
3085         AC_DEFINE(TARGET_ARM, 1, [...])
3086         ;;
3087 ARM64)
3088         AC_DEFINE(TARGET_ARM64, 1, [...])
3089         ;;
3090 POWERPC)
3091         AC_DEFINE(TARGET_POWERPC, 1, [...])
3092         ;;
3093 POWERPC64)
3094         AC_DEFINE(TARGET_POWERPC, 1, [...])
3095         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3096         ;;
3097 S390X)
3098         AC_DEFINE(TARGET_S390X, 1, [...])
3099         ;;
3100 MIPS)
3101         AC_DEFINE(TARGET_MIPS, 1, [...])
3102         ;;
3103 IA64)
3104         AC_DEFINE(TARGET_IA64, 1, [...])
3105         ;;
3106 SPARC)
3107         AC_DEFINE(TARGET_SPARC, 1, [...])
3108         ;;
3109 SPARC64)
3110         AC_DEFINE(TARGET_SPARC64, 1, [...])
3111         ;;
3112 esac
3113
3114 case "$HOST" in
3115 X86)
3116         AC_DEFINE(HOST_X86, 1, [...])
3117         ;;
3118 AMD64)
3119         AC_DEFINE(HOST_AMD64, 1, [...])
3120         ;;
3121 ARM)
3122         AC_DEFINE(HOST_ARM, 1, [...])
3123         ;;
3124 ARM64)
3125         AC_DEFINE(HOST_ARM64, 1, [...])
3126         ;;
3127 POWERPC)
3128         AC_DEFINE(HOST_POWERPC, 1, [...])
3129         ;;
3130 POWERPC64)
3131         AC_DEFINE(HOST_POWERPC, 1, [...])
3132         AC_DEFINE(HOST_POWERPC64, 1, [...])
3133         ;;
3134 S390X)
3135         AC_DEFINE(HOST_S390X, 1, [...])
3136         ;;
3137 MIPS)
3138         AC_DEFINE(HOST_MIPS, 1, [...])
3139         ;;
3140 IA64)
3141         AC_DEFINE(HOST_IA64, 1, [...])
3142         ;;
3143 SPARC)
3144         AC_DEFINE(HOST_SPARC, 1, [...])
3145         ;;
3146 SPARC64)
3147         AC_DEFINE(HOST_SPARC64, 1, [...])
3148         ;;
3149 esac
3150
3151
3152
3153 dnl *************
3154 dnl *** VTUNE ***
3155 dnl *************
3156
3157 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3158 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3159
3160 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3161
3162 if test "x$enable_vtune" = "xyes"; then
3163         if test "x$with_vtune" = "x"; then
3164                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3165         else
3166                 VTUNE_PATH=$with_vtune
3167         fi
3168         VTUNE_INCLUDE=$VTUNE_PATH/include
3169         case "$TARGET" in
3170         X86)
3171                 VTUNE_LIB=$VTUNE_PATH/lib32
3172                 ;;
3173         AMD64)
3174                 VTUNE_LIB=$VTUNE_PATH/lib64
3175                 ;;
3176         *)
3177                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3178                 ;;
3179         esac
3180         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3181                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3182         fi
3183         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3184                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3185         fi
3186
3187         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3188         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3189
3190         AC_SUBST(VTUNE_LIBS)
3191         AC_SUBST(VTUNE_CFLAGS)
3192 fi
3193 dnl Use GCC atomic ops if they work on the target.
3194 if test x$GCC = "xyes"; then
3195         case $TARGET in
3196         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3197                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3198                 ;;
3199         esac
3200 fi
3201
3202 if test "x$target_mach" = "xyes"; then
3203
3204    if test "x$TARGET_SYS" = "xWATCHOS"; then
3205           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3206           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3207           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3208    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3209           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3210           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3211           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3212    else
3213        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3214        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3215        #error fail this for ios
3216        #endif
3217        return 0;
3218        ], [
3219                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3220           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3221           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3222        ], [
3223           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3224           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3225           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3226        ])
3227         fi
3228    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3229 fi
3230
3231 if test "x$sizeof_register" = "x4"; then
3232    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3233 elif test "x$sizeof_register" = "x8"; then
3234    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3235 else
3236    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3237 fi
3238
3239 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3240    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3241 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3242    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3243 else
3244    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3245 fi
3246
3247 if test "x$have_visibility_hidden" = "xyes"; then
3248    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3249 fi
3250
3251 if test "x$have_deprecated" = "xyes"; then
3252    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3253 fi
3254
3255 dnl
3256 dnl Simple Generational checks (sgen)
3257 dnl
3258 SGEN_DEFINES=
3259 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3260 if test x$buildsgen = xyes; then
3261    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3262    SGEN_DEFINES="-DHAVE_SGEN_GC"
3263    gc_msg="sgen and $gc_msg"
3264 fi
3265 AC_SUBST(SGEN_DEFINES)
3266 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3267
3268 jit_status="Building and using the JIT"
3269
3270 libsuffix=".so"
3271
3272 case "$host" in
3273      *-*-darwin*)
3274         libsuffix=".dylib"
3275         LIBC="libc.dylib"
3276         INTL="libintl.dylib"
3277         SQLITE="libsqlite.0.dylib"
3278         SQLITE3="libsqlite3.0.dylib"
3279         X11="libX11.dylib"
3280         GDKX11="libgdk-x11-2.0.dylib"
3281         GTKX11="libgtk-x11-2.0.dylib"
3282         ;;
3283      *-*-*netbsd*)
3284         LIBC="libc.so"
3285         INTL="libintl.so"
3286         SQLITE="libsqlite.so"
3287         SQLITE3="libsqlite3.so"
3288         ;;
3289      *-*-kfreebsd*-gnu)
3290         LIBC="libc.so.0.1"
3291         INTL="libc.so.0.1"
3292         X11="libX11.so.6"
3293         ;;
3294     *-*-*freebsd*)
3295         LIBC="libc.so.7"
3296         INTL="libintl.so"
3297         SQLITE="libsqlite.so"
3298         SQLITE3="libsqlite3.so"
3299         ;;
3300     *-*-*openbsd*)
3301         LIBC="libc.so"
3302         INTL="libintl.so"
3303         SQLITE="libsqlite.so"
3304         SQLITE3="libsqlite3.so"
3305         ;;
3306     *-*-*linux*)
3307         AC_PATH_X
3308         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3309         AC_MSG_CHECKING(for the soname of libX11.so)
3310         for i in $x_libraries $dlsearch_path; do
3311                 for r in 4 5 6; do
3312                         if test -f $i/libX11.so.$r; then
3313                                 X11=libX11.so.$r
3314                                 AC_MSG_RESULT($X11)
3315                         fi
3316                 done
3317         done
3318
3319         if test "x$X11" = "xlibX11.so"; then
3320                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3321                 X11=libX11.so.6
3322         fi
3323         ;;
3324 esac
3325
3326
3327 AC_SUBST(libsuffix)
3328
3329 AC_ARG_WITH([libgdiplus],
3330         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3331         [], [with_libgdiplus=installed])
3332
3333 # default install location
3334 libgdiplus_install_loc=libgdiplus${libsuffix}
3335 case "$host" in
3336     *-*-*linux*)
3337     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3338     ;;
3339 esac
3340
3341 case $with_libgdiplus in
3342     no|installed)
3343     libgdiplus_loc=
3344     ;;
3345
3346     yes|sibling)
3347     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3348     ;;
3349
3350     /*) # absolute path, assume it is an install location
3351     libgdiplus_loc=$with_libgdiplus
3352     libgdiplus_install_loc=$with_libgdiplus
3353     ;;
3354
3355     *)
3356     libgdiplus_loc=`pwd`/$with_libgdiplus
3357     ;;
3358 esac
3359 AC_SUBST([libgdiplus_loc])
3360 AC_SUBST([libgdiplus_install_loc])
3361
3362 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3363 if test "x$icall_symbol_map" = "xyes"; then
3364    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3365 fi
3366
3367 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3368 if test "x$icall_export" = "xyes"; then
3369    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3370 fi
3371
3372 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3373 if test "x$icall_tables" = "xno"; then
3374    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3375 fi
3376
3377 if test "x$with_tls" = "x__thread"; then
3378         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3379         # Pass the information to libgc
3380         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3381         AC_MSG_CHECKING(if the tls_model attribute is supported)
3382         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3383                 ], [
3384                         AC_MSG_RESULT(yes)
3385                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3386                 ], [
3387                         AC_MSG_RESULT(no)
3388         ])
3389 fi
3390
3391 if test ${TARGET} = ARM; then
3392         dnl ******************************************
3393         dnl *** Check to see what FPU is available ***
3394         dnl ******************************************
3395         AC_MSG_CHECKING(which FPU to use)
3396
3397         #
3398         # This is a bit tricky:
3399         #
3400         # if (__ARM_PCS_VFP) {
3401         #       /* mfloat-abi=hard == VFP with hard ABI */
3402         # } elif (!__SOFTFP__) {
3403         #       /* mfloat-abi=softfp == VFP with soft ABI */
3404         # } else {
3405         #       /* mfloat-abi=soft == no VFP */
3406         # }
3407         #
3408         # The exception is iOS (w/ GCC) where none of the above
3409         # are defined (but iOS always uses the 'softfp' ABI).
3410         #
3411         # No support for FPA.
3412         #
3413
3414         fpu=NONE
3415
3416         # iOS GCC always uses the 'softfp' ABI.
3417         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3418                 fpu=VFP
3419         fi
3420
3421         # Are we using the 'hard' ABI?
3422         if test x$fpu = xNONE; then
3423                 AC_TRY_COMPILE([], [
3424                         #ifndef __ARM_PCS_VFP
3425                         #error "Float ABI is not 'hard'"
3426                         #endif
3427                         return 0;
3428                 ], [
3429                         fpu=VFP_HARD
3430                 ], [
3431                         fpu=NONE
3432                 ])
3433         fi
3434
3435         # No 'hard' ABI. 'soft' or 'softfp'?
3436         if test x$fpu = xNONE; then
3437                 AC_TRY_COMPILE([], [
3438                         #ifdef __SOFTFP__
3439                         #error "Float ABI is not 'softfp'"
3440                         #endif
3441                         return 0;
3442                 ], [
3443                         fpu=VFP
3444                 ], [
3445                         fpu=NONE
3446                 ])
3447         fi
3448
3449         if test x$arm_fpu != x; then
3450            fpu=$arm_fpu
3451         fi
3452
3453         AC_MSG_RESULT($fpu)
3454         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3455         unset fpu
3456
3457         dnl *********************************************
3458         dnl *** Check which ARM version(s) we can use ***
3459         dnl *********************************************
3460         AC_MSG_CHECKING(which ARM version to use)
3461
3462         AC_TRY_COMPILE([], [
3463                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3464                 #error Not on ARM v5.
3465                 #endif
3466                 return 0;
3467         ], [
3468                 arm_v5=yes
3469
3470                 arm_ver=ARMv5
3471         ], [])
3472
3473         AC_TRY_COMPILE([], [
3474                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3475                 #error Not on ARM v6.
3476                 #endif
3477                 return 0;
3478         ], [
3479                 arm_v5=yes
3480                 arm_v6=yes
3481
3482                 arm_ver=ARMv6
3483         ], [])
3484
3485         AC_TRY_COMPILE([], [
3486                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3487                 #error Not on ARM v7.
3488                 #endif
3489                 return 0;
3490         ], [
3491                 arm_v5=yes
3492                 arm_v6=yes
3493                 arm_v7=yes
3494
3495                 arm_ver=ARMv7
3496         ], [])
3497
3498         AC_MSG_RESULT($arm_ver)
3499
3500         if test x$arm_v5 = xyes; then
3501                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3502                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3503         fi
3504
3505         if test x$arm_v6 = xyes; then
3506                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3507                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3508         fi
3509
3510         if test x$arm_v7 = xyes; then
3511                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3512                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3513         fi
3514 fi
3515
3516 if test ${TARGET} = unknown; then
3517         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3518         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3519 fi
3520
3521 if test ${ACCESS_UNALIGNED} = no; then
3522         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3523 fi
3524
3525 case "x$libgc" in
3526         xincluded)
3527                 # Pass CPPFLAGS to libgc configure
3528                 # We should use a separate variable for this to avoid passing useless and
3529                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3530                 # This should be executed late so we pick up the final version of CPPFLAGS
3531                 # The problem with this approach, is that during a reconfigure, the main
3532                 # configure scripts gets invoked with these arguments, so we use separate
3533                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3534                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3535                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3536                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3537                 fi
3538                 # Don't pass -finstrument-for-thread-suspension in,
3539                 # if these are instrumented it will be very bad news
3540                 # (infinite recursion, undefined parking behavior, etc)
3541                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3542                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3543                 if test "x$support_boehm" = "xyes"; then
3544                         AC_CONFIG_SUBDIRS(libgc)
3545                 fi
3546                 ;;
3547 esac
3548
3549 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])
3550 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=no])
3551 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=no])
3552 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])
3553 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=no])
3554 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=no])
3555 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=no])
3556 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=no])
3557
3558 MALLOC_MEMPOOLS=no
3559 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3560         if test x$with_malloc_mempools = xyes; then
3561                 MALLOC_MEMPOOLS=yes
3562                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3563         fi
3564 ])
3565
3566
3567 DISABLE_MCS_DOCS=no
3568 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3569         if test x$with_mcs_docs != xyes; then
3570                 DISABLE_MCS_DOCS=yes
3571         fi
3572 ])
3573 if test x$with_profile4_x != xyes; then
3574         DISABLE_MCS_DOCS=yes
3575 fi
3576
3577 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3578         if test x$with_lazy_gc_thread_creation != xno ; then
3579                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3580         fi
3581 ], [with_lazy_gc_thread_creation=no])
3582
3583 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3584         if test x$with_cooperative_gc != xno ; then
3585                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3586         fi
3587 ], [with_cooperative_gc=no])
3588
3589 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3590
3591 AC_ARG_ENABLE(checked_build, [  --enable-checked-build=LIST      To enable checked build (expensive asserts), configure with a comma-separated LIST of checked build modules and then include that same list in the environment variable MONO_CHECK_MODE at runtime. Recognized checked build modules: all, gc, metadata, thread],[
3592
3593         if test x$enable_checked_build != x ; then
3594                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3595         fi
3596         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3597                 eval "mono_checked_build_test_enable_$feature='yes'"
3598         done
3599
3600         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3601                 eval "mono_checked_build_test_enable_gc='yes'"
3602                 eval "mono_checked_build_test_enable_metadata='yes'"
3603                 eval "mono_checked_build_test_enable_thread='yes'"
3604         fi
3605
3606         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3607                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3608         fi
3609
3610         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3611                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3612         fi
3613
3614         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3615                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3616         fi
3617
3618 ], [])
3619
3620 AC_CHECK_HEADER([malloc.h],
3621                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3622                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3623
3624 if test x"$GCC" = xyes; then
3625         # Implicit function declarations are not 64 bit safe
3626         # Do this late, since this causes lots of configure tests to fail
3627         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3628         # jay has a lot of implicit declarations
3629         JAY_CFLAGS="-Wno-implicit-function-declaration"
3630 fi
3631
3632 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3633 # instead of libmono-static.a
3634 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3635    LIBMONO_LA=libmini-static.la
3636 else
3637    if test x$buildsgen = xyes; then
3638       LIBMONO_LA=libmonosgen-$API_VER.la
3639    else
3640       LIBMONO_LA=libmonoboehm-$API_VER.la
3641    fi
3642 fi
3643 AC_SUBST(LIBMONO_LA)
3644
3645 dnl
3646 dnl Consistency settings
3647 dnl
3648 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3649    DISABLE_MCS_DOCS=yes
3650    with_profile4_x=no
3651    with_monodroid=no
3652    with_monotouch=no
3653    with_monotouch_watch=no
3654    with_monotouch_tv=no
3655    with_xammac=no
3656    with_mobile_static=no
3657 fi
3658
3659 if test x$DISABLE_MCS_DOCS = xyes; then
3660    docs_dir=""
3661 else
3662    docs_dir=docs
3663 fi
3664 AC_SUBST(docs_dir)
3665
3666 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3667 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3668
3669 libmono_ldflags="$libmono_ldflags $LIBS"
3670
3671 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3672 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3673 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3674 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
3675 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
3676 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
3677 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3678 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
3679
3680 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3681 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3682 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3683 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3684 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3685 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3686 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3687 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3688 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3689 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3690 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3691 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3692 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3693 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3694 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3695 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3696 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3697 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3698
3699 AC_SUBST(LIBC)
3700 AC_SUBST(INTL)
3701 AC_SUBST(SQLITE)
3702 AC_SUBST(SQLITE3)
3703 AC_SUBST(X11)
3704 AC_SUBST(GDKX11)
3705 AC_SUBST(GTKX11)
3706 AC_SUBST(XINERAMA)
3707 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3708 AC_SUBST(arch_target)
3709 AC_SUBST(CFLAGS)
3710 AC_SUBST(CPPFLAGS)
3711 AC_SUBST(LDFLAGS)
3712
3713 #This must always be defined when building the runtime
3714 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3715
3716 mono_build_root=`pwd`
3717 AC_SUBST(mono_build_root)
3718
3719 mono_runtime=mono/mini/mono
3720 AC_SUBST(mono_runtime)
3721
3722 mono_cfg_root=$mono_build_root/runtime
3723 if test x$host_win32 = xyes; then
3724   if test "x$cross_compiling" = "xno"; then
3725     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3726   else
3727     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3728   fi
3729 else
3730   mono_cfg_dir=$mono_cfg_root/etc
3731 fi
3732 AC_SUBST(mono_cfg_dir)
3733
3734 default_profile=net_4_x
3735 if test -z "$INSTALL_MONODROID_TRUE"; then :
3736    default_profile=monodroid
3737 fi
3738 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3739    default_profile=monotouch
3740 fi
3741 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3742    default_profile=xammac
3743 fi
3744 if test -z "$INSTALL_4_x_TRUE"; then :
3745    default_profile=net_4_x
3746 fi
3747 DEFAULT_PROFILE=$default_profile
3748 AC_SUBST(DEFAULT_PROFILE)
3749
3750 AC_CONFIG_FILES([po/mcs/Makefile.in])
3751
3752 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3753 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3754
3755 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3756 [   depth=../../../..
3757     case $srcdir in
3758     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3759     .) reldir=$depth ;;
3760     *) reldir=$depth/$srcdir ;;
3761     esac
3762     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3763     cd runtime/etc/mono/1.0
3764     rm -f machine.config
3765     $LN_S $reldir/data/net_1_1/machine.config machine.config
3766     cd $depth
3767 ],[LN_S='$LN_S'])
3768
3769 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3770 [   depth=../../../..
3771     case $srcdir in
3772     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3773     .) reldir=$depth ;;
3774     *) reldir=$depth/$srcdir ;;
3775     esac
3776     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3777     cd runtime/etc/mono/2.0
3778     rm -f machine.config
3779     $LN_S $reldir/data/net_2_0/machine.config machine.config
3780     cd $depth
3781 ],[LN_S='$LN_S'])
3782
3783 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3784 [   depth=../../../..
3785     case $srcdir in
3786     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3787     .) reldir=$depth ;;
3788     *) reldir=$depth/$srcdir ;;
3789     esac
3790     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3791     cd runtime/etc/mono/2.0
3792     rm -f web.config
3793     $LN_S $reldir/data/net_2_0/web.config web.config
3794     cd $depth
3795 ],[LN_S='$LN_S'])
3796
3797 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3798 [   depth=../../..
3799     case $srcdir in
3800     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3801     .) reldir=$depth ;;
3802     *) reldir=$depth/$srcdir ;;
3803     esac
3804     $ac_aux_dir/install-sh -d runtime/etc/mono/
3805     cd runtime/etc/mono/
3806     rm -f browscap.ini
3807     $LN_S $reldir/data/browscap.ini browscap.ini
3808     cd $depth
3809 ],[LN_S='$LN_S'])
3810
3811 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3812 [   depth=../../../../..
3813     case $srcdir in
3814     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3815     .) reldir=$depth ;;
3816     *) reldir=$depth/$srcdir ;;
3817     esac
3818     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3819     cd runtime/etc/mono/2.0/Browsers
3820     rm -f Compat.browser
3821     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3822     cd $depth
3823 ],[LN_S='$LN_S'])
3824
3825 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3826 [   depth=../../../../..
3827     case $srcdir in
3828     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3829     .) reldir=$depth ;;
3830     *) reldir=$depth/$srcdir ;;
3831     esac
3832     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3833     cd runtime/etc/mono/4.0/Browsers
3834     rm -f Compat.browser
3835     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3836     cd $depth
3837 ],[LN_S='$LN_S'])
3838
3839 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3840 [   depth=../../../../..
3841     case $srcdir in
3842     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3843     .) reldir=$depth ;;
3844     *) reldir=$depth/$srcdir ;;
3845     esac
3846     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3847     cd runtime/etc/mono/4.5/Browsers
3848     rm -f Compat.browser
3849     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3850     cd $depth
3851 ],[LN_S='$LN_S'])
3852
3853 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3854 [   depth=../../../..
3855     case $srcdir in
3856     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3857     .) reldir=$depth ;;
3858     *) reldir=$depth/$srcdir ;;
3859     esac
3860     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3861     cd runtime/etc/mono/4.0
3862     rm -f machine.config
3863     $LN_S $reldir/data/net_4_0/machine.config machine.config
3864     cd $depth
3865 ],[LN_S='$LN_S'])
3866
3867 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3868 [   depth=../../../..
3869     case $srcdir in
3870     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3871     .) reldir=$depth ;;
3872     *) reldir=$depth/$srcdir ;;
3873     esac
3874     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3875     cd runtime/etc/mono/4.0
3876     rm -f web.config
3877     $LN_S $reldir/data/net_4_0/web.config web.config
3878     cd $depth
3879 ],[LN_S='$LN_S'])
3880
3881 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3882 [   depth=../../../..
3883     case $srcdir in
3884     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3885     .) reldir=$depth ;;
3886     *) reldir=$depth/$srcdir ;;
3887     esac
3888     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3889     cd runtime/etc/mono/4.5
3890     rm -f machine.config
3891     $LN_S $reldir/data/net_4_5/machine.config machine.config
3892     cd $depth
3893 ],[LN_S='$LN_S'])
3894
3895 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3896 [   depth=../../../..
3897     case $srcdir in
3898     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3899     .) reldir=$depth ;;
3900     *) reldir=$depth/$srcdir ;;
3901     esac
3902     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3903     cd runtime/etc/mono/4.5
3904     rm -f web.config
3905     $LN_S $reldir/data/net_4_5/web.config web.config
3906     cd $depth
3907 ],[LN_S='$LN_S'])
3908
3909 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])
3910 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])
3911
3912 AC_OUTPUT([
3913 Makefile
3914 mono-uninstalled.pc
3915 acceptance-tests/Makefile
3916 scripts/mono-find-provides
3917 scripts/mono-find-requires
3918 mono/Makefile
3919 mono/utils/Makefile
3920 mono/metadata/Makefile
3921 mono/dis/Makefile
3922 mono/cil/Makefile
3923 mono/arch/Makefile
3924 mono/arch/x86/Makefile
3925 mono/arch/amd64/Makefile
3926 mono/arch/ppc/Makefile
3927 mono/arch/sparc/Makefile
3928 mono/arch/s390x/Makefile
3929 mono/arch/arm/Makefile
3930 mono/arch/arm64/Makefile
3931 mono/arch/ia64/Makefile
3932 mono/arch/mips/Makefile
3933 mono/sgen/Makefile
3934 mono/tests/Makefile
3935 mono/tests/tests-config
3936 mono/tests/assemblyresolve/Makefile
3937 mono/tests/gc-descriptors/Makefile
3938 mono/unit-tests/Makefile
3939 mono/benchmark/Makefile
3940 mono/io-layer/Makefile
3941 mono/mini/Makefile
3942 mono/profiler/Makefile
3943 m4/Makefile
3944 ikvm-native/Makefile
3945 scripts/Makefile
3946 man/Makefile
3947 docs/Makefile
3948 data/Makefile
3949 data/net_2_0/Makefile
3950 data/net_4_0/Makefile
3951 data/net_4_5/Makefile
3952 data/net_2_0/Browsers/Makefile
3953 data/net_4_0/Browsers/Makefile
3954 data/net_4_5/Browsers/Makefile
3955 data/mint.pc
3956 data/mono-2.pc
3957 data/monosgen-2.pc
3958 data/mono.pc
3959 data/mono-cairo.pc
3960 data/mono-nunit.pc
3961 data/mono-options.pc
3962 data/mono-lineeditor.pc
3963 data/monodoc.pc
3964 data/dotnet.pc
3965 data/dotnet35.pc
3966 data/wcf.pc
3967 data/cecil.pc
3968 data/system.web.extensions_1.0.pc
3969 data/system.web.extensions.design_1.0.pc
3970 data/system.web.mvc.pc
3971 data/system.web.mvc2.pc
3972 data/system.web.mvc3.pc
3973 data/aspnetwebstack.pc
3974 data/reactive.pc
3975 samples/Makefile
3976 support/Makefile
3977 data/config
3978 tools/Makefile
3979 tools/locale-builder/Makefile
3980 tools/sgen/Makefile
3981 tools/monograph/Makefile
3982 runtime/Makefile
3983 msvc/Makefile
3984 po/Makefile
3985 ])
3986
3987 # Update all submodules recursively to ensure everything is checked out
3988 $srcdir/scripts/update_submodules
3989
3990 if test x$host_win32 = xyes; then
3991    # Get rid of 'cyg' prefixes in library names
3992    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3993    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3994    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3995    # executable doesn't work...
3996    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3997 fi
3998
3999 if test x$host_darwin = xyes; then
4000    # This doesn't seem to be required and it slows down parallel builds
4001    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4002 fi
4003
4004 (
4005   case $prefix in
4006   NONE) prefix=$ac_default_prefix ;;
4007   esac
4008   case $exec_prefix in
4009   NONE) exec_prefix='${prefix}' ;;
4010   esac
4011
4012   #
4013   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4014   # any existing config.make.  This allows people to share the same source tree
4015   # with different build directories, one native and one cross
4016   #
4017   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4018
4019     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4020
4021     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4022     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4023     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4024     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4025     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4026     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4027     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4028     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4029
4030     case $INSTALL in
4031     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4032     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4033     esac
4034
4035     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4036
4037     export VERSION
4038     [myver=$($AWK 'BEGIN {
4039       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4040       if(length(vsplit [1]) > 4) {
4041         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4042       }
4043       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4044     }')]
4045
4046     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4047
4048     if test x$host_darwin = xyes; then
4049       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4050     fi
4051
4052         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4053            enable_system_aot=yes
4054         fi
4055
4056     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4057       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4058     fi
4059
4060     if test x$DISABLE_MCS_DOCS = xyes; then
4061       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4062     fi
4063
4064     if test x$has_extension_module != xno; then
4065         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4066     fi
4067
4068     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4069
4070     if test "x$test_bcl_opt" = "xyes"; then
4071       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4072     fi
4073
4074   fi
4075
4076 )
4077
4078 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4079
4080 echo "
4081         mcs source:    $mcsdir
4082
4083    Engine:
4084         Host:          $host
4085         Target:        $target
4086         GC:            $gc_msg
4087         TLS:           $with_tls
4088         SIGALTSTACK:   $with_sigaltstack
4089         Engine:        $jit_status
4090         BigArrays:     $enable_big_arrays
4091         DTrace:        $enable_dtrace
4092         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4093
4094    Libraries:
4095         .NET 4.6:        $with_profile4_x
4096         Xamarin.Android: $with_monodroid
4097         Xamarin.iOS:     $with_monotouch
4098         Xamarin.WatchOS: $with_monotouch_watch
4099         Xamarin.TVOS:    $with_monotouch_tv
4100         Xamarin.Mac:     $with_xammac
4101         mobile_static:   $with_mobile_static
4102         JNI support:     $jdk_headers_found
4103         libgdiplus:      $libgdiplus_msg
4104         zlib:            $zlib_msg
4105         $disabled
4106 "
4107 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4108    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4109 fi