configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [4.5.0],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  17                  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                 # This doesn't seem to work on solaris/x86, but the configure test runs
 276                 with_tls=pthread
 277                 has_dtrace=yes
 278                 use_sigposix=yes
 279                 enable_solaris_tar_check=yes
 280                 ;;
 281         *-*-darwin*)
 282                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 283                 host_darwin=yes
 284                 target_mach=yes
 285                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 286                 libmono_cflags="-D_THREAD_SAFE"
 287                 need_link_unlink=yes
 288                 AC_DEFINE(PTHREAD_POINTER_ID)
 289                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 290                 libdl=
 291                 libgc_threads=pthreads
 292                 has_dtrace=yes
 293                 if test "x$cross_compiling" = "xyes"; then
 294                         has_broken_apple_cpp=yes
 295                 fi
 296                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 297                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 298                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 299                 case "$host" in
 300                         dnl Snow Leopard and newer config.guess reports as this
 301                         i*86-*-darwin*)
 302                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 303                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 304                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 305                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 306                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 307                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 308                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 309                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 310                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 311                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 312                                 ;;
 313                         x*64-*-darwin*)
 314                                 ;;
 315                         arm*-darwin*)
 316                                 has_dtrace=no
 317                                 ;;
 318                 esac
 319                 ;;
 320         *-*-haiku*)
 321                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 322                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 323                 libdl=
 324                 LIBS="$LIBS -lnetwork"
 325                 need_link_unlink=yes
 326                 AC_DEFINE(PTHREAD_POINTER_ID)
 327                 libgc_threads=pthreads
 328                 use_sigposix=yes
 329                 ;;
 330         *)
 331                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 332                 libdl="-ldl"
 333                 ;;
 334 esac
 335 AC_MSG_RESULT(ok)
 336
 337 if test x$need_link_unlink = xyes; then
 338    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 339 fi
 340
 341 if test x$host_win32 = xyes; then
 342    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 343 fi
 344
 345 if test x$target_win32 = xyes; then
 346    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 347 fi
 348
 349 AC_SUBST(extra_runtime_ldflags)
 350 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 351 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 352 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 353 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 354 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 355 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 356
 357 AC_CHECK_TOOL(CC, gcc, gcc)
 358 AC_PROG_CC
 359 AC_CHECK_TOOL(CXX, g++, g++)
 360 AC_PROG_CXX
 361 AM_PROG_AS
 362 AC_PROG_INSTALL
 363 AC_PROG_AWK
 364 AM_PROG_CC_C_O
 365 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 366 : ${CCAS='$(CC)'}
 367 # Set ASFLAGS if not already set.
 368 : ${CCASFLAGS='$(CFLAGS)'}
 369 AC_SUBST(CCAS)
 370 AC_SUBST(CCASFLAGS)
 371
 372 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 373 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 374 if test "x$CXX" = "xg++"; then
 375         if test "x$GXX" != "xyes"; then
 376                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 377                 # are inside automake conditionals
 378                 AC_MSG_ERROR([You need to install g++])
 379         fi
 380 fi
 381
 382 dnl may require a specific autoconf version
 383 dnl AC_PROG_CC_FOR_BUILD
 384 dnl CC_FOR_BUILD not automatically detected
 385 CC_FOR_BUILD=$CC
 386 CFLAGS_FOR_BUILD=$CFLAGS
 387 BUILD_EXEEXT=
 388 if test "x$cross_compiling" = "xyes"; then
 389         CC_FOR_BUILD=cc
 390         CFLAGS_FOR_BUILD=
 391         BUILD_EXEEXT=""
 392 fi
 393 AC_SUBST(CC_FOR_BUILD)
 394 AC_SUBST(CFLAGS_FOR_BUILD)
 395 AC_SUBST(HOST_CC)
 396 AC_SUBST(BUILD_EXEEXT)
 397
 398 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 399 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 400
 401 # Set STDC_HEADERS
 402 AC_HEADER_STDC
 403 AC_LIBTOOL_WIN32_DLL
 404 # This causes monodis to not link correctly
 405 #AC_DISABLE_FAST_INSTALL
 406 AM_PROG_LIBTOOL
 407 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 408 DOLT
 409
 410 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 411 AC_SUBST(export_ldflags)
 412
 413 # Test whenever ld supports -version-script
 414 AC_PROG_LD
 415 AC_PROG_LD_GNU
 416
 417 AM_ICONV()
 418
 419 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)
 420 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)
 421 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 422                   [], [], [#include <stddef.h>
 423                   #include <sys/socket.h>
 424                   #include <linux/socket.h>])
 425
 426 AC_CHECK_HEADERS(sys/user.h, [], [],
 427 [
 428 #ifdef HAVE_SYS_PARAM_H
 429 # include <sys/param.h>
 430 #endif
 431 ])
 432
 433 AC_CHECK_HEADERS(linux/serial.h)
 434
 435 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 436 if test x$have_zlib = xyes; then
 437    AC_TRY_COMPILE([#include <zlib.h>], [
 438    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 439    return 0;
 440    #else
 441    #error No good zlib found
 442    #endif
 443    ],[
 444         AC_MSG_RESULT(Using system zlib)
 445         zlib_msg="system zlib"
 446         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 447    ],[
 448         AC_MSG_RESULT(Using embedded zlib)
 449         have_zlib=no
 450         zlib_msg="bundled zlib"
 451    ])
 452 fi
 453
 454 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 455 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 456
 457 # for mono/metadata/debug-symfile.c
 458 AC_CHECK_HEADERS(elf.h)
 459
 460 # for support
 461 AC_CHECK_HEADERS(poll.h)
 462 AC_CHECK_HEADERS(sys/poll.h)
 463 AC_CHECK_HEADERS(sys/wait.h)
 464 AC_CHECK_HEADERS(grp.h)
 465 AC_CHECK_HEADERS(syslog.h)
 466
 467 # for mono/dis
 468 AC_CHECK_HEADERS(wchar.h)
 469 AC_CHECK_HEADERS(ieeefp.h)
 470 AC_MSG_CHECKING(for isinf)
 471 AC_TRY_LINK([#include <math.h>], [
 472         int f = isinf (1.0);
 473 ], [
 474         AC_MSG_RESULT(yes)
 475         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 476 ], [
 477         # We'll have to use signals
 478         AC_MSG_RESULT(no)
 479 ])
 480 # mingw
 481 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 482         AC_TRY_LINK([#include <math.h>],
 483         [ _finite(0.0); ],
 484         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 485         AC_MSG_RESULT(no)))
 486
 487 # for Linux statfs support
 488 AC_CHECK_HEADERS(linux/magic.h)
 489
 490 # not 64 bit clean in cross-compile
 491 AC_CHECK_SIZEOF(void *, 4)
 492
 493 AC_CACHE_CHECK([for clang],
 494         mono_cv_clang,[
 495         AC_TRY_COMPILE([], [
 496                 #ifdef __clang__
 497                 #else
 498                 #error "FAILED"
 499                 #endif
 500                 return 0;
 501         ],
 502         [mono_cv_clang=yes],
 503         [mono_cv_clang=no],
 504         [])
 505 ])
 506
 507 AC_ARG_ENABLE(visibility-hidden,
 508 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 509    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 510
 511 WARN=''
 512 if test x"$GCC" = xyes; then
 513         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 514
 515                 # We require C99 with some GNU extensions, e.g. `linux` macro
 516                 CFLAGS="$CFLAGS -std=gnu99"
 517
 518                 # The runtime code does not respect ANSI C strict aliasing rules
 519                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 520
 521                 # We rely on signed overflow to behave
 522                 CFLAGS="$CFLAGS -fwrapv"
 523
 524                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 525                 if test x"$disable_visibility_hidden" = xno; then
 526                    # Don't export any symbols by default
 527                    SHARED_CFLAGS="-fvisibility=hidden"
 528                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 529                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 530                 fi
 531
 532                 ORIG_CFLAGS=$CFLAGS
 533                 # Check for the normal version, since gcc ignores unknown -Wno options
 534                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 535                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 536                 AC_TRY_COMPILE([],[
 537                                 return 0;
 538                 ], [
 539                    AC_MSG_RESULT(yes)
 540                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 541                 ], [
 542                    AC_MSG_RESULT(no)
 543                    CFLAGS=$ORIG_CFLAGS
 544                 ])
 545
 546                 if test "x$mono_cv_clang" = "xyes"; then
 547                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 548                    WARN="$WARN -Qunused-arguments"
 549                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 550                 fi
 551 else
 552         # The Sun Forte compiler complains about inline functions that access static variables
 553         # so disable all inlining.
 554         case "$host" in
 555         *-*-solaris*)
 556                 CFLAGS="$CFLAGS -Dinline="
 557                 ;;
 558         esac
 559 fi
 560 CFLAGS="$CFLAGS -g $WARN"
 561 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 562 CPPFLAGS="$CPPFLAGS -g $WARN"
 563
 564 # Where's the 'mcs' source tree?
 565 if test -d $srcdir/mcs; then
 566   mcsdir=mcs
 567 else
 568   mcsdir=../mcs
 569 fi
 570
 571 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 572         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 573                 mcsdir=$with_mcs_path
 574         fi
 575 )
 576
 577 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 578
 579 #
 580 # A sanity check to catch cases where the package was unpacked
 581 # with an ancient tar program (Solaris)
 582 #
 583 AC_ARG_ENABLE(solaris-tar-check,
 584 [  --disable-solaris-tar-check    disable solaris tar check],
 585    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 586
 587 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 588         AC_MSG_CHECKING(integrity of package)
 589         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 590         then
 591                 AC_MSG_RESULT(ok)
 592         else
 593                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 594                 AC_MSG_ERROR([$errorm])
 595         fi
 596 fi
 597
 598 if test "x$with_mcs_path" != "x"; then
 599 mcs_topdir=$(cd "$mcsdir" && pwd)
 600 mcs_topdir_from_srcdir=$mcs_topdir
 601 else
 602 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 603 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 604 fi
 605
 606 # Convert mcs_topdir* paths to Windows syntax.
 607 if test x$cross_compiling$host_win32 = xnoyes; then
 608   mcs_topdir=$(cygpath -m $mcs_topdir)
 609   case $mcs_topdir_from_srcdir in
 610     /cygdrive/*)
 611         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 612         ;;
 613   esac
 614 fi
 615
 616 AC_SUBST([mcs_topdir])
 617 AC_SUBST([mcs_topdir_from_srcdir])
 618
 619 # gettext: prepare the translation directories.
 620 # we do not configure the full gettext, as we consume it dynamically from C#
 621 AM_PO_SUBDIRS
 622
 623 if test "x$USE_NLS" = "xyes"; then
 624    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 625
 626    if test "x$HAVE_MSGFMT" = "xno"; then
 627           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 628    fi
 629 fi
 630
 631 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 632
 633 pkg_config_path=
 634 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 635         if test x$with_crosspkgdir = "x"; then
 636                 if test -s $PKG_CONFIG_PATH; then
 637                         pkg_config_path=$PKG_CONFIG_PATH
 638                 fi
 639         else
 640                 pkg_config_path=$with_crosspkgdir
 641                 PKG_CONFIG_PATH=$pkg_config_path
 642                 export PKG_CONFIG_PATH
 643         fi
 644 )
 645
 646 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 647 if test x$werror_flag = xyes; then
 648         WERROR_CFLAGS="-Werror"
 649 fi
 650 AC_SUBST([WERROR_CFLAGS])
 651 AC_SUBST([SHARED_CFLAGS])
 652
 653 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 654 AC_CONFIG_SUBDIRS(eglib)
 655
 656 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 657 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 658
 659 AC_SUBST(GLIB_CFLAGS)
 660 AC_SUBST(GLIB_LIBS)
 661
 662 # Enable support for fast thread-local storage
 663 # Some systems have broken support, so we allow to disable it.
 664 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 665
 666 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 667 # This does not work on some platforms (bug #55253)
 668 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 669
 670 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 671 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 672 # Same as --with-shared_mono=no
 673 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 674
 675 if test "x$enable_static" = "xno"; then
 676    with_static_mono=no
 677 fi
 678
 679 if test "x$enable_shared" = "xno"; then
 680    with_shared_mono=no
 681 fi
 682
 683 if test "x$enable_libraries" = "xno"; then
 684    with_shared_mono=no
 685 fi
 686
 687 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 688
 689 case $host in
 690 *nacl* ) with_shared_mono=yes;;
 691 esac
 692
 693 if test "x$host_win32" = "xyes"; then
 694    # Boehm GC requires the runtime to be in its own dll
 695    with_static_mono=no
 696 fi
 697
 698 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 699 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 700 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 701
 702 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 703 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 704         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 705         ORIG_CFLAGS=$CFLAGS
 706         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 707         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 708         AC_TRY_COMPILE([], [
 709                 return 0;
 710         ], [
 711            AC_MSG_RESULT(yes)
 712            # Pass it to libgc as well
 713            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 714         ], [
 715            AC_MSG_RESULT(no)
 716            CFLAGS=$ORIG_CFLAGS
 717         ])
 718 fi
 719
 720 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 721
 722 if test x$enable_small_config = xyes; then
 723         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 724         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 725 fi
 726
 727 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=$enableval, enable_system_aot=default)
 728
 729 DISABLED_FEATURES=none
 730
 731 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 732      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 733      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 734          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 735 [
 736         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 737                 eval "mono_feature_disable_$feature='yes'"
 738         done
 739         DISABLED_FEATURES=$enable_minimal
 740         disabled="Disabled:      $enable_minimal"
 741 ],[])
 742
 743 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 744
 745 if test "x$mono_feature_disable_aot" = "xyes"; then
 746         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 747         enable_system_aot=no
 748         AC_MSG_NOTICE([Disabled AOT compiler])
 749 fi
 750
 751 if test "x$mono_feature_disable_profiler" = "xyes"; then
 752         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 753         AC_MSG_NOTICE([Disabled support for the profiler])
 754 fi
 755 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 756
 757 if test "x$mono_feature_disable_decimal" = "xyes"; then
 758         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 759         AC_MSG_NOTICE([Disabled support for decimal])
 760 fi
 761
 762 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 763         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 764         AC_MSG_NOTICE([Disabled support for P/Invoke])
 765 fi
 766
 767 if test "x$mono_feature_disable_debug" = "xyes"; then
 768         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 769         AC_MSG_NOTICE([Disabled support for runtime debugging])
 770 fi
 771
 772 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 773         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 774         mono_feature_disable_reflection_emit_save=yes
 775         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 776 fi
 777
 778 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 779         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 780         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 781 fi
 782
 783 if test "x$mono_feature_disable_large_code" = "xyes"; then
 784         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 785         AC_MSG_NOTICE([Disabled support for large assemblies])
 786 fi
 787
 788 if test "x$mono_feature_disable_logging" = "xyes"; then
 789         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 790         AC_MSG_NOTICE([Disabled support for logging])
 791 fi
 792
 793 if test "x$mono_feature_disable_com" = "xyes"; then
 794         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 795         AC_MSG_NOTICE([Disabled COM support])
 796 fi
 797
 798 if test "x$mono_feature_disable_ssa" = "xyes"; then
 799         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 800         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 801 fi
 802
 803 if test "x$mono_feature_disable_generics" = "xyes"; then
 804         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 805         AC_MSG_NOTICE([Disabled Generics Support])
 806 fi
 807
 808 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 809         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 810         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 811 fi
 812
 813 if test "x$mono_feature_disable_portability" = "xyes"; then
 814         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 815         AC_MSG_NOTICE([Disabled IO Portability layer])
 816 fi
 817
 818 if test "x$mono_feature_disable_attach" = "xyes"; then
 819         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 820         AC_MSG_NOTICE([Disabled agent attach])
 821 fi
 822
 823 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 824         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 825         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 826 fi
 827
 828 if test "x$mono_feature_disable_verifier" = "xyes"; then
 829         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 830         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 831 fi
 832
 833 if test "x$mono_feature_disable_jit" = "xyes"; then
 834         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 835         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 836 fi
 837
 838 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 839
 840 if test "x$mono_feature_disable_simd" = "xyes"; then
 841         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 842         AC_MSG_NOTICE([Disabled SIMD support])
 843 fi
 844
 845 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 846         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 847         AC_MSG_NOTICE([Disabled Soft Debugger.])
 848 fi
 849
 850 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 851         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 852         AC_MSG_NOTICE([Disabled Performance Counters.])
 853 fi
 854 if test "x$mono_feature_disable_normalization" = "xyes"; then
 855         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 856         AC_MSG_NOTICE([Disabled String normalization support.])
 857 fi
 858
 859 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 860         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 861         AC_MSG_NOTICE([Disabled Assembly remapping.])
 862 fi
 863
 864 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 865         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 866         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 867 fi
 868
 869 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 870         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 871         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 872 fi
 873
 874 if test "x$mono_feature_disable_remoting" = "xyes"; then
 875         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 876         AC_MSG_NOTICE([Disabled remoting])
 877 fi
 878
 879 if test "x$mono_feature_disable_security" = "xyes"; then
 880         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 881         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 882 fi
 883
 884 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 885         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 886         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 887 fi
 888
 889 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 890         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 891         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 892 fi
 893
 894 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 895         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 896         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 897 fi
 898
 899 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 900         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 901         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 902 fi
 903
 904 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 905         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 906         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 907 fi
 908
 909 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 910 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 911
 912 has_extension_module=no
 913 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 914 [
 915         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 916                 if test x$extension = xdefault ; then
 917                         has_extension_module=yes;
 918                 fi
 919         done
 920         if test x$enable_extension_module = xyes; then
 921                 has_extension_module=yes;
 922         fi
 923 ], [])
 924
 925 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 926
 927 if test x$has_extension_module != xno ; then
 928         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 929         AC_MSG_NOTICE([Enabling mono extension module.])
 930 fi
 931
 932 # Deprecated
 933 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
 934
 935 AC_MSG_CHECKING(for visibility __attribute__)
 936 AC_COMPILE_IFELSE([
 937         AC_LANG_SOURCE([[
 938                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 939                 int main () { doit (); return 0; }
 940         ]])
 941 ], [
 942    have_visibility_hidden=yes
 943    AC_MSG_RESULT(yes)
 944 ], [
 945    have_visibility_hidden=no
 946    AC_MSG_RESULT(no)
 947 ])
 948
 949 AC_MSG_CHECKING(for deprecated __attribute__)
 950 AC_TRY_COMPILE([
 951      int doit (void) __attribute__ ((deprecated));
 952      int doit (void) { return 0; }
 953 ], [
 954         return 0;
 955 ], [
 956    have_deprecated=yes
 957    AC_MSG_RESULT(yes)
 958 ], [
 959    have_deprecated=no
 960    AC_MSG_RESULT(no)
 961 ])
 962
 963 dnl
 964 dnl Boehm GC configuration
 965 dnl
 966
 967 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
 968
 969 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
 970 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
 971
 972 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
 973 if test x$enable_parallel_mark = xyes; then
 974         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 975 fi
 976
 977 gc_msg=""
 978 LIBGC_CPPFLAGS=
 979 LIBGC_LIBS=
 980 LIBGC_STATIC_LIBS=
 981 libgc_dir=
 982 case "x$libgc" in
 983         xincluded)
 984                 if test "x$support_boehm" = "xyes"; then
 985                         libgc_dir=libgc
 986                 fi
 987
 988                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 989                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 990                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 991
 992                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
 993
 994                 if test x$target_win32 = xyes; then
 995                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
 996                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
 997                 fi
 998
 999                 gc_msg="Included Boehm GC with typed GC"
1000                 if test x$enable_parallel_mark = xyes; then
1001                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1002                         gc_msg="$gc_msg and parallel mark"
1003                 else
1004                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1005                 fi
1006                 ;;
1007
1008         xboehm|xbohem|xyes)
1009                 AC_MSG_WARN("External Boehm is no longer supported")
1010                 ;;
1011
1012         xsgen)
1013                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1014                 ;;
1015
1016         xnone)
1017                 AC_MSG_WARN("Compiling mono without GC.")
1018                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1019                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1020                 gc_msg="none"
1021                 ;;
1022         *)
1023                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1024                 ;;
1025 esac
1026
1027 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1028 if test "x$large_heap" = "xyes"; then
1029    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1030 fi
1031
1032 AC_SUBST(LIBGC_CPPFLAGS)
1033 AC_SUBST(LIBGC_LIBS)
1034 AC_SUBST(LIBGC_STATIC_LIBS)
1035 AC_SUBST(libgc_dir)
1036 AC_SUBST(BOEHM_DEFINES)
1037
1038 dnl
1039 dnl End of Boehm GC Configuration
1040 dnl
1041
1042 dnl *************************************
1043 dnl *** Checks for zero length arrays ***
1044 dnl *************************************
1045 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1046 AC_TRY_COMPILE([
1047         struct s {
1048                 int  length;
1049                 char data [0];
1050         };
1051 ], [], [
1052         AC_MSG_RESULT(yes)
1053         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1054 ], [
1055         AC_MSG_RESULT(no)
1056         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1057 ])
1058
1059 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1060
1061 dnl ***********************************
1062 dnl *** Checks for signals
1063 dnl ***********************************
1064 AC_CHECK_HEADERS(signal.h)
1065 AC_CHECK_FUNCS(sigaction)
1066 AC_CHECK_FUNCS(kill)
1067 AC_CHECK_FUNCS(signal)
1068
1069 # signal() is declared inline in Android headers
1070 # so we need to workaround it by overriding the check.
1071 if test x$platform_android = xyes; then
1072         AC_DEFINE(HAVE_SIGNAL,1)
1073 fi
1074
1075 if test x$host_win32 = xno; then
1076
1077         dnl hires monotonic clock support
1078         AC_SEARCH_LIBS(clock_gettime, rt)
1079
1080         dnl dynamic loader support
1081         AC_CHECK_FUNC(dlopen, DL_LIB="",
1082                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1083         )
1084         if test x$dl_support = xno; then
1085                 AC_MSG_WARN([No dynamic loading support available])
1086         else
1087                 LIBS="$LIBS $DL_LIB"
1088                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1089                 dnl from glib's configure.ac
1090                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1091                         mono_cv_uscore,[
1092                         AC_TRY_RUN([#include <dlfcn.h>
1093                         int mono_underscore_test (void) { return 42; }
1094                         int main() {
1095                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1096                           handle = dlopen ((void*)0, 0);
1097                           if (handle) {
1098                             f1 = dlsym (handle, "mono_underscore_test");
1099                             f2 = dlsym (handle, "_mono_underscore_test");
1100                           } return (!f2 || f1);
1101                         }],
1102                                 [mono_cv_uscore=yes],
1103                                 [mono_cv_uscore=no],
1104                         [])
1105                 ])
1106                 if test "x$mono_cv_uscore" = "xyes"; then
1107                         MONO_DL_NEED_USCORE=1
1108                 else
1109                         MONO_DL_NEED_USCORE=0
1110                 fi
1111                 AC_SUBST(MONO_DL_NEED_USCORE)
1112                 AC_CHECK_FUNC(dlerror)
1113         fi
1114
1115         dnl ******************************************************************
1116         dnl *** Checks for the IKVM JNI interface library                  ***
1117         dnl ******************************************************************
1118         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])
1119
1120         ikvm_native_dir=
1121         if test x$with_ikvm_native = xyes; then
1122                 ikvm_native_dir=ikvm-native
1123                 jdk_headers_found="IKVM Native"
1124         fi
1125
1126         AC_SUBST(ikvm_native_dir)
1127
1128         AC_CHECK_HEADERS(execinfo.h)
1129
1130         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1131
1132         AC_CHECK_FUNCS(getgrgid_r)
1133         AC_CHECK_FUNCS(getgrnam_r)
1134         AC_CHECK_FUNCS(getpwnam_r)
1135         AC_CHECK_FUNCS(getpwuid_r)
1136         AC_CHECK_FUNCS(getresuid)
1137         AC_CHECK_FUNCS(setresuid)
1138         AC_CHECK_FUNCS(kqueue)
1139         AC_CHECK_FUNCS(backtrace_symbols)
1140         AC_CHECK_FUNCS(mkstemp)
1141         AC_CHECK_FUNCS(mmap)
1142         AC_CHECK_FUNCS(madvise)
1143         AC_CHECK_FUNCS(getrusage)
1144         AC_CHECK_FUNCS(getpriority)
1145         AC_CHECK_FUNCS(setpriority)
1146         AC_CHECK_FUNCS(dl_iterate_phdr)
1147         AC_CHECK_FUNCS(dladdr)
1148         AC_CHECK_FUNCS(sysconf)
1149         AC_CHECK_FUNCS(getrlimit)
1150         AC_CHECK_FUNCS(prctl)
1151
1152         AC_CHECK_FUNCS(sched_getaffinity)
1153         AC_CHECK_FUNCS(sched_setaffinity)
1154         AC_CHECK_FUNCS(sched_getcpu)
1155
1156         dnl ****************************************************************
1157         dnl *** Check for sched_setaffinity from glibc versions before   ***
1158         dnl *** 2.3.4. The older versions of the function only take 2    ***
1159         dnl *** parameters, not 3.                                       ***
1160         dnl ***                                                          ***
1161         dnl *** Because the interface change was not made in a minor     ***
1162         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1163         dnl *** won't always indicate the interface sched_affinity has.  ***
1164         dnl ****************************************************************
1165         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1166         AC_TRY_COMPILE([#include <sched.h>], [
1167             int mask = 1;
1168             sched_setaffinity(0, &mask);
1169                         return 0;
1170         ], [
1171                 # Yes, we have it...
1172                 AC_MSG_RESULT(yes)
1173                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1174         ], [
1175                 # We have the new, three-parameter version
1176                 AC_MSG_RESULT(no)
1177         ])
1178
1179
1180         dnl ******************************************************************
1181         dnl *** Check for large file support                               ***
1182         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1183         dnl ******************************************************************
1184
1185         # Check that off_t can represent 2**63 - 1 correctly, working around
1186         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1187         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1188         large_offt=no
1189         AC_DEFUN([LARGE_FILES], [
1190                 large_CPPFLAGS=$CPPFLAGS
1191                 CPPFLAGS="$CPPFLAGS $1"
1192                 AC_TRY_COMPILE([
1193                         #include <sys/types.h>
1194                         #include <limits.h>
1195                 ], [
1196                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1197                         #define COMPILE_TIME_ASSERT(pred) \
1198                                 switch(0){case 0:case pred:;}
1199                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1200                 ], [
1201                         AC_MSG_RESULT(ok)
1202                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1203                         large_CPPFLAGS="$large_CPPFLAGS $1"
1204                         large_offt=yes
1205                 ], [
1206                         AC_MSG_RESULT(no)
1207                 ])
1208                 CPPFLAGS=$large_CPPFLAGS
1209         ])
1210
1211         AC_MSG_CHECKING(if off_t is 64 bits wide)
1212         LARGE_FILES("")
1213         if test $large_offt = no; then
1214                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1215                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1216         fi
1217         if test $large_offt = no; then
1218                 AC_MSG_WARN([No 64 bit file size support available])
1219         fi
1220
1221         dnl *****************************
1222         dnl *** Checks for libsocket  ***
1223         dnl *****************************
1224         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1225
1226         case "$host" in
1227                 *-*-*freebsd*)
1228                         dnl *****************************
1229                         dnl *** Checks for libinotify ***
1230                         dnl *****************************
1231                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1232         esac
1233
1234         dnl *******************************
1235         dnl *** Checks for MSG_NOSIGNAL ***
1236         dnl *******************************
1237         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1238         AC_TRY_COMPILE([#include <sys/socket.h>], [
1239                 int f = MSG_NOSIGNAL;
1240         ], [
1241                 # Yes, we have it...
1242                 AC_MSG_RESULT(yes)
1243                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1244         ], [
1245                 # We'll have to use signals
1246                 AC_MSG_RESULT(no)
1247         ])
1248
1249         dnl *****************************
1250         dnl *** Checks for IPPROTO_IP ***
1251         dnl *****************************
1252         AC_MSG_CHECKING(for IPPROTO_IP)
1253         AC_TRY_COMPILE([#include <netinet/in.h>], [
1254                 int level = IPPROTO_IP;
1255         ], [
1256                 # Yes, we have it...
1257                 AC_MSG_RESULT(yes)
1258                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1259         ], [
1260                 # We'll have to use getprotobyname
1261                 AC_MSG_RESULT(no)
1262         ])
1263
1264         dnl *******************************
1265         dnl *** Checks for IPPROTO_IPV6 ***
1266         dnl *******************************
1267         AC_MSG_CHECKING(for IPPROTO_IPV6)
1268         AC_TRY_COMPILE([#include <netinet/in.h>], [
1269                 int level = IPPROTO_IPV6;
1270         ], [
1271                 # Yes, we have it...
1272                 AC_MSG_RESULT(yes)
1273                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1274         ], [
1275                 # We'll have to use getprotobyname
1276                 AC_MSG_RESULT(no)
1277         ])
1278
1279         dnl ******************************
1280         dnl *** Checks for IPPROTO_TCP ***
1281         dnl ******************************
1282         AC_MSG_CHECKING(for IPPROTO_TCP)
1283         AC_TRY_COMPILE([#include <netinet/in.h>], [
1284                 int level = IPPROTO_TCP;
1285         ], [
1286                 # Yes, we have it...
1287                 AC_MSG_RESULT(yes)
1288                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1289         ], [
1290                 # We'll have to use getprotobyname
1291                 AC_MSG_RESULT(no)
1292         ])
1293
1294         dnl *****************************
1295         dnl *** Checks for SOL_IP     ***
1296         dnl *****************************
1297         AC_MSG_CHECKING(for SOL_IP)
1298         AC_TRY_COMPILE([#include <netdb.h>], [
1299                 int level = SOL_IP;
1300         ], [
1301                 # Yes, we have it...
1302                 AC_MSG_RESULT(yes)
1303                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1304         ], [
1305                 # We'll have to use getprotobyname
1306                 AC_MSG_RESULT(no)
1307         ])
1308
1309         dnl *****************************
1310         dnl *** Checks for SOL_IPV6     ***
1311         dnl *****************************
1312         AC_MSG_CHECKING(for SOL_IPV6)
1313         AC_TRY_COMPILE([#include <netdb.h>], [
1314                 int level = SOL_IPV6;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1319         ], [
1320                 # We'll have to use getprotobyname
1321                 AC_MSG_RESULT(no)
1322         ])
1323
1324         dnl *****************************
1325         dnl *** Checks for SOL_TCP    ***
1326         dnl *****************************
1327         AC_MSG_CHECKING(for SOL_TCP)
1328         AC_TRY_COMPILE([#include <netdb.h>], [
1329                 int level = SOL_TCP;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1334         ], [
1335                 # We'll have to use getprotobyname
1336                 AC_MSG_RESULT(no)
1337         ])
1338
1339         dnl *****************************
1340         dnl *** Checks for IP_PKTINFO ***
1341         dnl *****************************
1342         AC_MSG_CHECKING(for IP_PKTINFO)
1343         AC_TRY_COMPILE([#include <linux/in.h>], [
1344                 int level = IP_PKTINFO;
1345         ], [
1346                 # Yes, we have it...
1347                 AC_MSG_RESULT(yes)
1348                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1349         ], [
1350                 AC_MSG_RESULT(no)
1351         ])
1352
1353         dnl *****************************
1354         dnl *** Checks for IPV6_PKTINFO ***
1355         dnl *****************************
1356         AC_MSG_CHECKING(for IPV6_PKTINFO)
1357         AC_TRY_COMPILE([#include <netdb.h>], [
1358                 int level = IPV6_PKTINFO;
1359         ], [
1360                 # Yes, we have it...
1361                 AC_MSG_RESULT(yes)
1362                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1363         ], [
1364                 AC_MSG_RESULT(no)
1365         ])
1366
1367         dnl **********************************
1368         dnl *** Checks for IP_DONTFRAG     ***
1369         dnl **********************************
1370         AC_MSG_CHECKING(for IP_DONTFRAG)
1371         AC_TRY_COMPILE([#include <netinet/in.h>], [
1372                 int level = IP_DONTFRAG;
1373         ], [
1374                 # Yes, we have it...
1375                 AC_MSG_RESULT(yes)
1376                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1377         ], [
1378                 AC_MSG_RESULT(no)
1379         ])
1380
1381         dnl **********************************
1382         dnl *** Checks for IP_DONTFRAGMENT ***
1383         dnl **********************************
1384         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1385         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1386                 int level = IP_DONTFRAGMENT;
1387         ], [
1388                 # Yes, we have it...
1389                 AC_MSG_RESULT(yes)
1390                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1391         ], [
1392                 AC_MSG_RESULT(no)
1393         ])
1394
1395         dnl **********************************
1396         dnl *** Checks for IP_MTU_DISCOVER ***
1397         dnl **********************************
1398         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1399         AC_TRY_COMPILE([#include <linux/in.h>], [
1400                 int level = IP_MTU_DISCOVER;
1401         ], [
1402                 # Yes, we have it...
1403                 AC_MSG_RESULT(yes)
1404                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1405         ], [
1406                 AC_MSG_RESULT(no)
1407         ])
1408
1409         dnl **********************************
1410         dnl *** Checks for  IP_PMTUDISC_DO ***
1411         dnl **********************************
1412         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1413         AC_TRY_COMPILE([#include <linux/in.h>], [
1414                 int level = IP_PMTUDISC_DO;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1419         ], [
1420                 AC_MSG_RESULT(no)
1421         ])
1422
1423         dnl *********************************
1424         dnl *** Check for struct ip_mreqn ***
1425         dnl *********************************
1426         AC_MSG_CHECKING(for struct ip_mreqn)
1427         AC_TRY_COMPILE([#include <netinet/in.h>], [
1428                 struct ip_mreqn mreq;
1429                 mreq.imr_address.s_addr = 0;
1430         ], [
1431                 # Yes, we have it...
1432                 AC_MSG_RESULT(yes)
1433                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1434         ], [
1435                 # We'll just have to try and use struct ip_mreq
1436                 AC_MSG_RESULT(no)
1437                 AC_MSG_CHECKING(for struct ip_mreq)
1438                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1439                         struct ip_mreq mreq;
1440                         mreq.imr_interface.s_addr = 0;
1441                 ], [
1442                         # Yes, we have it...
1443                         AC_MSG_RESULT(yes)
1444                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1445                 ], [
1446                         # No multicast support
1447                         AC_MSG_RESULT(no)
1448                 ])
1449         ])
1450
1451         dnl **********************************
1452         dnl *** Check for getaddrinfo ***
1453         dnl **********************************
1454         AC_MSG_CHECKING(for getaddrinfo)
1455                 AC_TRY_LINK([
1456                 #include <stdio.h>
1457                 #include <netdb.h>
1458         ], [
1459                 getaddrinfo(NULL,NULL,NULL,NULL);
1460         ], [
1461                 # Yes, we have it...
1462                 AC_MSG_RESULT(yes)
1463                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1464         ], [
1465                 AC_MSG_RESULT(no)
1466         ])
1467
1468         dnl **********************************
1469         dnl *** Check for gethostbyname2_r ***
1470         dnl **********************************
1471         AC_MSG_CHECKING(for gethostbyname2_r)
1472                 AC_TRY_LINK([
1473                 #include <stdio.h>
1474                 #include <netdb.h>
1475         ], [
1476
1477                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1478         ], [
1479                 # Yes, we have it...
1480                 AC_MSG_RESULT(yes)
1481                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1482         ], [
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl **********************************
1487         dnl *** Check for gethostbyname2 ***
1488         dnl **********************************
1489         AC_MSG_CHECKING(for gethostbyname2)
1490                 AC_TRY_LINK([
1491                 #include <stdio.h>
1492                 #include <netdb.h>
1493         ], [
1494                 gethostbyname2(NULL,0);
1495         ], [
1496                 # Yes, we have it...
1497                 AC_MSG_RESULT(yes)
1498                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1499         ], [
1500                 AC_MSG_RESULT(no)
1501         ])
1502
1503         dnl **********************************
1504         dnl *** Check for gethostbyname ***
1505         dnl **********************************
1506         AC_MSG_CHECKING(for gethostbyname)
1507                 AC_TRY_LINK([
1508                 #include <stdio.h>
1509                 #include <netdb.h>
1510         ], [
1511                 gethostbyname(NULL);
1512         ], [
1513                 # Yes, we have it...
1514                 AC_MSG_RESULT(yes)
1515                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1516         ], [
1517                 AC_MSG_RESULT(no)
1518         ])
1519
1520         dnl **********************************
1521         dnl *** Check for getprotobyname ***
1522         dnl **********************************
1523         AC_MSG_CHECKING(for getprotobyname)
1524                 AC_TRY_LINK([
1525                 #include <stdio.h>
1526                 #include <netdb.h>
1527         ], [
1528                 getprotobyname(NULL);
1529         ], [
1530                 # Yes, we have it...
1531                 AC_MSG_RESULT(yes)
1532                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1533         ], [
1534                 AC_MSG_RESULT(no)
1535         ])
1536
1537         dnl **********************************
1538         dnl *** Check for getnameinfo ***
1539         dnl **********************************
1540         AC_MSG_CHECKING(for getnameinfo)
1541                 AC_TRY_LINK([
1542                 #include <stdio.h>
1543                 #include <netdb.h>
1544         ], [
1545                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1546         ], [
1547                 # Yes, we have it...
1548                 AC_MSG_RESULT(yes)
1549                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1550         ], [
1551                 AC_MSG_RESULT(no)
1552         ])
1553
1554
1555         dnl **********************************
1556         dnl *** Check for inet_ntop ***
1557         dnl **********************************
1558         AC_MSG_CHECKING(for inet_ntop)
1559                 AC_TRY_LINK([
1560                 #include <stdio.h>
1561                 #include <arpa/inet.h>
1562         ], [
1563                 inet_ntop (0, NULL, NULL, 0);
1564         ], [
1565                 # Yes, we have it...
1566                 AC_MSG_RESULT(yes)
1567                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1568         ], [
1569                 AC_MSG_RESULT(no)
1570         ])
1571
1572         dnl *****************************
1573         dnl *** Checks for libnsl     ***
1574         dnl *****************************
1575         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1576
1577         AC_CHECK_FUNCS(inet_pton inet_aton)
1578
1579         dnl *****************************
1580         dnl *** Checks for libxnet    ***
1581         dnl *****************************
1582         case "${host}" in
1583                 *solaris* )
1584                         AC_MSG_CHECKING(for Solaris XPG4 support)
1585                         if test -f /usr/lib/libxnet.so; then
1586                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1587                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1588                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1589                                 LIBS="$LIBS -lxnet"
1590                                 AC_MSG_RESULT(yes)
1591                         else
1592                                 AC_MSG_RESULT(no)
1593                         fi
1594
1595                         if test "$GCC" = "yes"; then
1596                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1597                         fi
1598                 ;;
1599         esac
1600
1601         dnl *****************************
1602         dnl *** Checks for libpthread ***
1603         dnl *****************************
1604 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1605 # and libpthread does not exist
1606 #
1607         case "${host}" in
1608                 *-*-*freebsd*)
1609                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1610                 ;;
1611                 *-*-*openbsd*)
1612                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1613                 ;;
1614                 *)
1615                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1616                 ;;
1617         esac
1618         AC_CHECK_HEADERS(pthread.h)
1619         AC_CHECK_HEADERS(pthread_np.h)
1620         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1621         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1622         AC_CHECK_FUNCS(pthread_kill)
1623         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1624         AC_TRY_COMPILE([ #include <pthread.h>], [
1625                 pthread_mutexattr_t attr;
1626                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1627         ], [
1628                 AC_MSG_RESULT(ok)
1629         ], [
1630                 AC_MSG_RESULT(no)
1631                 AC_ERROR(Posix system lacks support for recursive mutexes)
1632         ])
1633         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1634         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1635         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1636
1637         dnl **********************************
1638         dnl *** Check for mincore ***
1639         dnl **********************************
1640         AC_MSG_CHECKING(for mincore)
1641                 AC_TRY_LINK([
1642                 #include <stdio.h>
1643                 #include <sys/types.h>
1644                 #include <sys/mman.h>
1645         ], [
1646                 mincore(NULL, 0, NULL);
1647         ], [
1648                 # Yes, we have it...
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1651         ], [
1652                 AC_MSG_RESULT(no)
1653         ])
1654
1655         dnl ***********************************
1656         dnl *** Checks for working __thread ***
1657         dnl ***********************************
1658         AC_MSG_CHECKING(for working __thread)
1659         if test "x$with_tls" != "x__thread"; then
1660                 AC_MSG_RESULT(disabled)
1661         elif test "x$cross_compiling" = "xyes"; then
1662                 AC_MSG_RESULT(cross compiling, assuming yes)
1663         else
1664                 AC_TRY_RUN([
1665                         #if defined(__APPLE__) && defined(__clang__)
1666                         #error "__thread does not currently work with clang on Mac OS X"
1667                         #endif
1668
1669                         #include <pthread.h>
1670                         __thread int i;
1671                         static int res1, res2;
1672
1673                         void thread_main (void *arg)
1674                         {
1675                                 i = arg;
1676                                 sleep (1);
1677                                 if (arg == 1)
1678                                         res1 = (i == arg);
1679                                 else
1680                                         res2 = (i == arg);
1681                         }
1682
1683                         int main () {
1684                                 pthread_t t1, t2;
1685
1686                                 i = 5;
1687
1688                                 pthread_create (&t1, NULL, thread_main, 1);
1689                                 pthread_create (&t2, NULL, thread_main, 2);
1690
1691                                 pthread_join (t1, NULL);
1692                                 pthread_join (t2, NULL);
1693
1694                                 return !(res1 + res2 == 2);
1695                         }
1696                 ], [
1697                                 AC_MSG_RESULT(yes)
1698                 ], [
1699                                 AC_MSG_RESULT(no)
1700                                 with_tls=pthread
1701                 ])
1702         fi
1703
1704         dnl **************************************
1705         dnl *** Checks for working sigaltstack ***
1706         dnl **************************************
1707         AC_MSG_CHECKING(for working sigaltstack)
1708         if test "x$with_sigaltstack" != "xyes"; then
1709                 AC_MSG_RESULT(disabled)
1710         elif test "x$cross_compiling" = "xyes"; then
1711                 AC_MSG_RESULT(cross compiling, assuming yes)
1712         else
1713                 AC_TRY_RUN([
1714                         #include <stdio.h>
1715                         #include <stdlib.h>
1716                         #include <unistd.h>
1717                         #include <signal.h>
1718                         #include <pthread.h>
1719                         #include <sys/wait.h>
1720                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1721                         #define SA_STACK SA_ONSTACK
1722                         #endif
1723                         static void
1724                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1725                         {
1726                                 exit (0);
1727                         }
1728
1729                         volatile char*__ptr = NULL;
1730                         static void *
1731                         loop (void *ignored)
1732                         {
1733                                 *__ptr = 0;
1734                                 return NULL;
1735                         }
1736
1737                         static void
1738                         child ()
1739                         {
1740                                 struct sigaction sa;
1741                         #ifdef __APPLE__
1742                                 stack_t sas;
1743                         #else
1744                                 struct sigaltstack sas;
1745                         #endif
1746                                 pthread_t id;
1747                                 pthread_attr_t attr;
1748
1749                                 sa.sa_sigaction = sigsegv_signal_handler;
1750                                 sigemptyset (&sa.sa_mask);
1751                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1752                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1753                                         perror ("sigaction");
1754                                         return;
1755                                 }
1756
1757                                 /* x86 darwin deliver segfaults using SIGBUS */
1758                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1759                                         perror ("sigaction");
1760                                         return;
1761                                 }
1762                                 sas.ss_sp = malloc (SIGSTKSZ);
1763                                 sas.ss_size = SIGSTKSZ;
1764                                 sas.ss_flags = 0;
1765                                 if (sigaltstack (&sas, NULL) == -1) {
1766                                         perror ("sigaltstack");
1767                                         return;
1768                                 }
1769
1770                                 pthread_attr_init (&attr);
1771                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1772                                         printf ("pthread_create\n");
1773                                         return;
1774                                 }
1775
1776                                 sleep (100);
1777                         }
1778
1779                         int
1780                         main ()
1781                         {
1782                                 pid_t son;
1783                                 int status;
1784                                 int i;
1785
1786                                 son = fork ();
1787                                 if (son == -1) {
1788                                         return 1;
1789                                 }
1790
1791                                 if (son == 0) {
1792                                         child ();
1793                                         return 0;
1794                                 }
1795
1796                                 for (i = 0; i < 300; ++i) {
1797                                         waitpid (son, &status, WNOHANG);
1798                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1799                                                 return 0;
1800                                         usleep (10000);
1801                                 }
1802
1803                                 kill (son, SIGKILL);
1804                                 return 1;
1805                         }
1806
1807                 ], [
1808                                 AC_MSG_RESULT(yes)
1809                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1810                 ], [
1811                                 with_sigaltstack=no
1812                                 AC_MSG_RESULT(no)
1813                 ])
1814         fi
1815
1816         dnl ********************************
1817         dnl *** Checks for semaphore lib ***
1818         dnl ********************************
1819         # 'Real Time' functions on Solaris
1820         # posix4 on Solaris 2.6
1821         # pthread (first!) on Linux
1822         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1823
1824         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1825         AC_CHECK_FUNCS(shm_open)
1826
1827         dnl ********************************
1828         dnl *** Checks for timezone stuff **
1829         dnl ********************************
1830         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1831                 AC_TRY_COMPILE([
1832                         #include <time.h>
1833                         ], [
1834                         struct tm tm;
1835                         tm.tm_gmtoff = 1;
1836                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1837         if test $ac_cv_struct_tm_gmtoff = yes; then
1838                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1839         else
1840                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1841                         AC_TRY_COMPILE([
1842                                 #include <time.h>
1843                         ], [
1844                                 timezone = 1;
1845                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1846                 if test $ac_cv_var_timezone = yes; then
1847                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1848                 else
1849                         AC_ERROR(unable to find a way to determine timezone)
1850                 fi
1851         fi
1852
1853         dnl *********************************
1854         dnl *** Checks for math functions ***
1855         dnl *********************************
1856         AC_SEARCH_LIBS(sqrtf, m)
1857         if test "x$has_broken_apple_cpp" != "xyes"; then
1858                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1859                         AC_TRY_LINK([#include <math.h>],
1860                         [ finite(0.0); ],
1861                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1862                         AC_MSG_RESULT(no)))
1863         fi
1864         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1865                 AC_TRY_LINK([#include <math.h>],
1866                 [ isfinite(0.0); ],
1867                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1868                 AC_MSG_RESULT(no)))
1869
1870         dnl ****************************************************************
1871         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1872         dnl *** have it in the library (duh))                            ***
1873         dnl ****************************************************************
1874         AC_CHECK_FUNCS(poll)
1875
1876         dnl *************************
1877         dnl *** Check for signbit ***
1878         dnl *************************
1879         AC_MSG_CHECKING(for signbit)
1880         AC_TRY_LINK([#include <math.h>], [
1881                 int s = signbit(1.0);
1882         ], [
1883                 AC_MSG_RESULT(yes)
1884                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1885         ], [
1886                 AC_MSG_RESULT(no)
1887         ])
1888
1889         dnl **********************************
1890         dnl *** epoll                      ***
1891         dnl **********************************
1892         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1893                 AC_CHECK_HEADERS(sys/epoll.h)
1894                 haveepoll=no
1895                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1896                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1897                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1898                 fi
1899         fi
1900
1901         havekqueue=no
1902
1903         AC_CHECK_HEADERS(sys/event.h)
1904         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1905
1906         dnl **************************************
1907         dnl * Darwin has a race that prevents us from using reliably:
1908         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1909         dnl * Since kqueue is mostly used for scaling large web servers,
1910         dnl * and very few folks run Mono on large web servers on OSX, falling
1911         dnl * back
1912         dnl **************************************
1913         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1914                 if test "x$host_darwin" = "xno"; then
1915                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1916                 fi
1917         fi
1918
1919         dnl ******************************
1920         dnl *** Checks for SIOCGIFCONF ***
1921         dnl ******************************
1922         AC_CHECK_HEADERS(sys/ioctl.h)
1923         AC_CHECK_HEADERS(net/if.h, [], [],
1924            [
1925            #ifdef HAVE_SYS_TYPES_H
1926            # include <sys/types.h>
1927            #endif
1928            #ifdef HAVE_SYS_SOCKET_H
1929            # include <sys/socket.h>
1930            #endif
1931            ])
1932         AC_MSG_CHECKING(for ifreq)
1933         AC_TRY_COMPILE([
1934                 #include <stdio.h>
1935                 #include <sys/ioctl.h>
1936                 #include <net/if.h>
1937                 ], [
1938                 struct ifconf ifc;
1939                 struct ifreq *ifr;
1940                 void *x;
1941                 ifc.ifc_len = 0;
1942                 ifc.ifc_buf = NULL;
1943                 x = (void *) &ifr->ifr_addr;
1944                 ],[
1945                         AC_MSG_RESULT(yes)
1946                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
1947                 ], [
1948                         AC_MSG_RESULT(no)
1949                 ])
1950         dnl **********************************
1951         dnl ***     Checks for sin_len     ***
1952         dnl **********************************
1953         AC_MSG_CHECKING(for sockaddr_in.sin_len)
1954         AC_TRY_COMPILE([
1955                 #include <netinet/in.h>
1956                 ], [
1957                 struct sockaddr_in saddr;
1958                 saddr.sin_len = sizeof (saddr);
1959                 ],[
1960                         AC_MSG_RESULT(yes)
1961                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
1962                 ], [
1963                         AC_MSG_RESULT(no)
1964                 ])
1965         dnl **********************************
1966         dnl ***    Checks for sin6_len     ***
1967         dnl **********************************
1968         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
1969         AC_TRY_COMPILE([
1970                 #include <netinet/in.h>
1971                 ], [
1972                 struct sockaddr_in6 saddr6;
1973                 saddr6.sin6_len = sizeof (saddr6);
1974                 ],[
1975                         AC_MSG_RESULT(yes)
1976                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
1977                 ], [
1978                         AC_MSG_RESULT(no)
1979                 ])
1980         dnl **********************************
1981         dnl *** Check for getifaddrs       ***
1982         dnl **********************************
1983         AC_MSG_CHECKING(for getifaddrs)
1984                 AC_TRY_LINK([
1985                 #include <stdio.h>
1986                 #include <sys/types.h>
1987                 #include <sys/socket.h>
1988                 #include <ifaddrs.h>
1989         ], [
1990                 getifaddrs(NULL);
1991         ], [
1992                 # Yes, we have it...
1993                 AC_MSG_RESULT(yes)
1994                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
1995         ], [
1996                 AC_MSG_RESULT(no)
1997         ])
1998         dnl **********************************
1999         dnl *** Check for if_nametoindex   ***
2000         dnl **********************************
2001         AC_MSG_CHECKING(for if_nametoindex)
2002                 AC_TRY_LINK([
2003                 #include <stdio.h>
2004                 #include <sys/types.h>
2005                 #include <sys/socket.h>
2006                 #include <net/if.h>
2007         ], [
2008                 if_nametoindex(NULL);
2009         ], [
2010                 # Yes, we have it...
2011                 AC_MSG_RESULT(yes)
2012                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2013         ], [
2014                 AC_MSG_RESULT(no)
2015         ])
2016
2017         dnl **********************************
2018         dnl *** Checks for MonoPosixHelper ***
2019         dnl **********************************
2020         AC_CHECK_HEADERS(checklist.h)
2021         AC_CHECK_HEADERS(pathconf.h)
2022         AC_CHECK_HEADERS(fstab.h)
2023         AC_CHECK_HEADERS(attr/xattr.h)
2024         AC_CHECK_HEADERS(sys/extattr.h)
2025         AC_CHECK_HEADERS(sys/sendfile.h)
2026         AC_CHECK_HEADERS(sys/statvfs.h)
2027         AC_CHECK_HEADERS(sys/statfs.h)
2028         AC_CHECK_HEADERS(sys/vfstab.h)
2029         AC_CHECK_HEADERS(sys/xattr.h)
2030         AC_CHECK_HEADERS(sys/mman.h)
2031         AC_CHECK_HEADERS(sys/param.h)
2032         AC_CHECK_HEADERS(sys/mount.h, [], [],
2033                 [
2034                 #ifdef HAVE_SYS_PARAM_H
2035                 # include <sys/param.h>
2036                 #endif
2037                 ])
2038         AC_CHECK_HEADERS(sys/mount.h)
2039         AC_CHECK_FUNCS(confstr)
2040         AC_CHECK_FUNCS(seekdir telldir)
2041         AC_CHECK_FUNCS(getdomainname)
2042         AC_CHECK_FUNCS(setdomainname)
2043         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2044         AC_CHECK_FUNCS(setgroups)
2045         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2046         AC_CHECK_FUNCS(getfsstat)
2047         AC_CHECK_FUNCS(lutimes futimes)
2048         AC_CHECK_FUNCS(mremap)
2049         AC_CHECK_FUNCS(remap_file_pages)
2050         AC_CHECK_FUNCS(posix_fadvise)
2051         AC_CHECK_FUNCS(posix_fallocate)
2052         AC_CHECK_FUNCS(posix_madvise)
2053         AC_CHECK_FUNCS(vsnprintf)
2054         AC_CHECK_FUNCS(sendfile)
2055         AC_CHECK_FUNCS(gethostid sethostid)
2056         AC_CHECK_FUNCS(sethostname)
2057         AC_CHECK_FUNCS(statfs)
2058         AC_CHECK_FUNCS(fstatfs)
2059         AC_CHECK_FUNCS(statvfs)
2060         AC_CHECK_FUNCS(fstatvfs)
2061         AC_CHECK_FUNCS(stime)
2062         AC_CHECK_FUNCS(strerror_r)
2063         AC_CHECK_FUNCS(ttyname_r)
2064         AC_CHECK_FUNCS(psignal)
2065         AC_CHECK_FUNCS(getlogin_r)
2066         AC_CHECK_FUNCS(lockf)
2067         AC_CHECK_FUNCS(swab)
2068         AC_CHECK_FUNCS(setusershell endusershell)
2069         AC_CHECK_FUNCS(futimens utimensat)
2070         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2071         AC_CHECK_FUNCS(readv writev preadv pwritev)
2072         AC_CHECK_FUNCS(setpgid)
2073         AC_CHECK_FUNCS(system)
2074         AC_CHECK_FUNCS(fork execv execve)
2075         AC_CHECK_FUNCS(accept4)
2076         AC_CHECK_SIZEOF(size_t)
2077         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2078                 [#include <sys/types.h>
2079                  #include <sys/stat.h>
2080                  #include <unistd.h>])
2081         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2082                 [#include <sys/types.h>
2083                  #include <sys/stat.h>
2084                  #include <unistd.h>])
2085         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2086                 [#include <sys/time.h>])
2087         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2088                 [#include <sys/socket.h>])
2089         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2090                 [#include <unistd.h>
2091                  #include <fcntl.h>])
2092         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2093                 [#include <sys/uio.h>])
2094         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2095                 [#include <sys/socket.h>])
2096         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2097                 [#include <sys/poll.h>])
2098         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2099                 [#include <sys/socket.h>])
2100         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2101                 [#include <sys/socket.h>])
2102         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2103                 [#include <netinet/in.h>])
2104         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2105                 [#include <netinet/in.h>])
2106         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2107                 [#include <sys/un.h>])
2108         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2109                 [#include <sys/types.h>
2110                  #include <sys/stat.h>
2111                  #include <unistd.h>])
2112         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2113                 [#include <time.h>])
2114         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2115                 [#include <sys/time.h>
2116                  #include <sys/types.h>
2117                  #include <utime.h>])
2118         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2119                 [#include <sys/time.h>])
2120         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2121                 [#include <sys/types.h>
2122                  #include <utime.h>])
2123         AC_CHECK_MEMBERS(
2124                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2125                 [#include <sys/types.h>
2126                  #include <dirent.h>])
2127         AC_CHECK_MEMBERS(
2128                 [struct passwd.pw_gecos],,,
2129                 [#include <sys/types.h>
2130                  #include <pwd.h>])
2131         AC_CHECK_MEMBERS(
2132                 [struct statfs.f_flags],,,
2133                 [#include <sys/types.h>
2134                  #include <sys/vfs.h>])
2135         AC_CHECK_MEMBERS(
2136                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2137                 [#include <sys/types.h>
2138                  #include <sys/stat.h>
2139                  #include <unistd.h>])
2140
2141         dnl Favour xattr through glibc, but use libattr if we have to
2142         AC_CHECK_FUNC(lsetxattr, ,
2143                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2144         )
2145         AC_SUBST(XATTR_LIB)
2146
2147         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2148         AC_CHECK_MEMBERS(
2149                 [struct kinfo_proc.kp_proc],,,
2150                 [#include <sys/types.h>
2151                  #include <sys/param.h>
2152                  #include <sys/sysctl.h>
2153                  #include <sys/proc.h>
2154                  ])
2155
2156         dnl *********************************
2157         dnl *** Checks for Windows compilation ***
2158         dnl *********************************
2159         AC_CHECK_HEADERS(sys/time.h)
2160         AC_CHECK_HEADERS(sys/param.h)
2161         AC_CHECK_HEADERS(dirent.h)
2162
2163         dnl ******************************************
2164         dnl *** Checks for OSX and iOS compilation ***
2165         dnl ******************************************
2166         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2167
2168         dnl *********************************
2169         dnl *** Check for Console 2.0 I/O ***
2170         dnl *********************************
2171         AC_CHECK_HEADERS([curses.h])
2172         AC_CHECK_HEADERS([term.h], [], [],
2173         [#if HAVE_CURSES_H
2174          #include <curses.h>
2175          #endif
2176         ])
2177         AC_CHECK_HEADERS([termios.h])
2178 else
2179         dnl *********************************
2180         dnl *** Checks for Windows compilation ***
2181         dnl *********************************
2182         AC_CHECK_HEADERS(winternl.h)
2183
2184         jdk_headers_found=no
2185         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2186         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2187         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2188         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2189         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2190         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2191         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2192
2193         dnl *********************************
2194         dnl *** Check for struct ip_mreqn ***
2195         dnl *********************************
2196         AC_MSG_CHECKING(for struct ip_mreqn)
2197         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2198                 struct ip_mreqn mreq;
2199                 mreq.imr_address.s_addr = 0;
2200         ], [
2201                 # Yes, we have it...
2202                 AC_MSG_RESULT(yes)
2203                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2204         ], [
2205                 # We'll just have to try and use struct ip_mreq
2206                 AC_MSG_RESULT(no)
2207                 AC_MSG_CHECKING(for struct ip_mreq)
2208                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2209                         struct ip_mreq mreq;
2210                         mreq.imr_interface.s_addr = 0;
2211                 ], [
2212                         # Yes, we have it...
2213                         AC_MSG_RESULT(yes)
2214                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2215                 ], [
2216                         # No multicast support
2217                         AC_MSG_RESULT(no)
2218                 ])
2219         ])
2220
2221         dnl **********************************
2222         dnl *** Check for getaddrinfo ***
2223         dnl **********************************
2224         AC_MSG_CHECKING(for getaddrinfo)
2225                 AC_TRY_LINK([
2226                 #include <stdio.h>
2227                 #include <winsock2.h>
2228                 #include <ws2tcpip.h>
2229         ], [
2230                 getaddrinfo(NULL,NULL,NULL,NULL);
2231         ], [
2232                 # Yes, we have it...
2233                 AC_MSG_RESULT(yes)
2234                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2235         ], [
2236                 AC_MSG_RESULT(no)
2237         ])
2238
2239         dnl **********************************
2240         dnl *** Check for gethostbyname ***
2241         dnl **********************************
2242         AC_MSG_CHECKING(for gethostbyname)
2243                 AC_TRY_LINK([
2244                 #include <stdio.h>
2245                 #include <winsock2.h>
2246                 #include <ws2tcpip.h>
2247         ], [
2248                 gethostbyname(NULL);
2249         ], [
2250                 # Yes, we have it...
2251                 AC_MSG_RESULT(yes)
2252                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2253         ], [
2254                 AC_MSG_RESULT(no)
2255         ])
2256
2257         dnl **********************************
2258         dnl *** Check for getprotobyname ***
2259         dnl **********************************
2260         AC_MSG_CHECKING(for getprotobyname)
2261                 AC_TRY_LINK([
2262                 #include <stdio.h>
2263                 #include <winsock2.h>
2264                 #include <ws2tcpip.h>
2265         ], [
2266                 getprotobyname(NULL);
2267         ], [
2268                 # Yes, we have it...
2269                 AC_MSG_RESULT(yes)
2270                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2271         ], [
2272                 AC_MSG_RESULT(no)
2273         ])
2274
2275         dnl **********************************
2276         dnl *** Check for getnameinfo ***
2277         dnl **********************************
2278         AC_MSG_CHECKING(for getnameinfo)
2279                 AC_TRY_LINK([
2280                 #include <stdio.h>
2281                 #include <winsock2.h>
2282                 #include <ws2tcpip.h>
2283         ], [
2284                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2285         ], [
2286                 # Yes, we have it...
2287                 AC_MSG_RESULT(yes)
2288                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2289         ], [
2290                 AC_MSG_RESULT(no)
2291         ])
2292
2293         dnl **********************************
2294         dnl *** Check for inet_ntop ***
2295         dnl **********************************
2296         AC_MSG_CHECKING(for inet_ntop)
2297                 AC_TRY_LINK([
2298                 #include <stdio.h>
2299                 #include <winsock2.h>
2300                 #include <ws2tcpip.h>
2301         ], [
2302                 inet_ntop (0, NULL, NULL, 0);
2303         ], [
2304                 # Yes, we have it...
2305                 AC_MSG_RESULT(yes)
2306                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2307         ], [
2308                 AC_MSG_RESULT(no)
2309         ])
2310
2311         dnl **********************************
2312         dnl *** Check for inet_pton ***
2313         dnl **********************************
2314         AC_MSG_CHECKING(for inet_pton)
2315                 AC_TRY_LINK([
2316                 #include <stdio.h>
2317                 #include <winsock2.h>
2318                 #include <ws2tcpip.h>
2319         ], [
2320                 inet_pton (0, NULL, NULL);
2321         ], [
2322                 # Yes, we have it...
2323                 AC_MSG_RESULT(yes)
2324                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2325         ], [
2326                 AC_MSG_RESULT(no)
2327         ])
2328
2329         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2330         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2331         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2332         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2333         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2334         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2335         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2336 fi
2337
2338 dnl socklen_t check
2339 AC_MSG_CHECKING(for socklen_t)
2340 AC_TRY_COMPILE([
2341 #include <sys/types.h>
2342 #include <sys/socket.h>
2343 ],[
2344   socklen_t foo;
2345 ],[
2346 ac_cv_c_socklen_t=yes
2347         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2348         AC_MSG_RESULT(yes)
2349 ],[
2350         AC_MSG_RESULT(no)
2351 ])
2352
2353 AC_MSG_CHECKING(for array element initializer support)
2354 AC_TRY_COMPILE([#include <sys/socket.h>], [
2355         const int array[] = {[1] = 2,};
2356 ], [
2357         # Yes, we have it...
2358         AC_MSG_RESULT(yes)
2359         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2360 ], [
2361         # We'll have to use signals
2362         AC_MSG_RESULT(no)
2363 ])
2364
2365 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2366         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2367         AC_TRY_LINK([#include <math.h>],
2368         [ static void *p = &trunc; ],
2369         [
2370                 AC_DEFINE(HAVE_TRUNC)
2371                 AC_MSG_RESULT(yes)
2372                 ac_cv_trunc=yes
2373         ],
2374         AC_MSG_RESULT(no)))
2375
2376 if test "x$ac_cv_truncl" != "xyes"; then
2377    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2378 fi
2379
2380 AC_CHECK_FUNCS(execvp)
2381
2382 dnl ****************************
2383 dnl *** Look for /dev/random ***
2384 dnl ****************************
2385
2386 AC_MSG_CHECKING([if usage of random device is requested])
2387 AC_ARG_ENABLE(dev-random,
2388 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2389 try_dev_random=$enableval, try_dev_random=yes)
2390
2391 AC_MSG_RESULT($try_dev_random)
2392
2393 case "{$build}" in
2394     *-openbsd*)
2395     NAME_DEV_RANDOM="/dev/srandom"
2396     ;;
2397
2398 dnl Win32 does not have /dev/random, they have their own method...
2399
2400     *-mingw*|*-*-cygwin*)
2401     ac_cv_have_dev_random=no
2402     ;;
2403
2404 dnl Everywhere else, it's /dev/random
2405
2406     *)
2407     NAME_DEV_RANDOM="/dev/random"
2408     ;;
2409 esac
2410
2411 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2412
2413 dnl Now check if the device actually exists
2414
2415 if test "x$try_dev_random" = "xyes"; then
2416     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2417     [if test -r "$NAME_DEV_RANDOM" ; then
2418         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2419     if test "x$ac_cv_have_dev_random" = "xyes"; then
2420         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2421     fi
2422 else
2423     AC_MSG_CHECKING(for random device)
2424     ac_cv_have_dev_random=no
2425     AC_MSG_RESULT(has been disabled)
2426 fi
2427
2428 if test "x$host_win32" = "xyes"; then
2429     AC_DEFINE(HAVE_CRYPT_RNG)
2430 fi
2431
2432 if test "x$ac_cv_have_dev_random" = "xno" \
2433     && test "x$host_win32" = "xno"; then
2434     AC_MSG_WARN([[
2435 ***
2436 *** A system-provided entropy source was not found on this system.
2437 *** Because of this, the System.Security.Cryptography random number generator
2438 *** will throw a NotImplemented exception.
2439 ***
2440 *** If you are seeing this message, and you know your system DOES have an
2441 *** entropy collection in place, please contact <crichton@gimp.org> and
2442 *** provide information about the system and how to access the random device.
2443 ***
2444 *** Otherwise you can install either egd or prngd and set the environment
2445 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2446 ***]])
2447 fi
2448
2449 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2450
2451 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2452 if test "x$test_perf_events" == "xyes"; then
2453         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2454         AC_SUBST(ENABLE_PERF_EVENTS)
2455 fi
2456
2457 AC_MSG_CHECKING([if big-arrays are to be enabled])
2458 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2459 if test "x$enable_big_arrays" = "xyes" ; then
2460     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2461         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2462     else
2463         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2464     fi
2465 fi
2466 AC_MSG_RESULT($enable_big_arrays)
2467
2468 dnl **************
2469 dnl *** DTRACE ***
2470 dnl **************
2471
2472 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2473
2474 if test "x$enable_dtrace" = "xyes"; then
2475    if test "x$has_dtrace" = "xno"; then
2476           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2477    fi
2478    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2479    if test "x$DTRACE" = "xno"; then
2480           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2481           enable_dtrace=no
2482    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2483           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2484           enable_dtrace=no
2485    fi
2486 fi
2487
2488 dtrace_g=no
2489 if test "x$enable_dtrace" = "xyes"; then
2490         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2491         DTRACEFLAGS=
2492         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2493                 case "$host" in
2494                         powerpc-*-darwin*)
2495                         DTRACEFLAGS="-arch ppc64"
2496                         ;;
2497                         i*86-*-darwin*)
2498                         DTRACEFLAGS="-arch x86_64"
2499                         ;;
2500                         *)
2501                         DTRACEFLAGS=-64
2502                         ;;
2503                 esac
2504         else
2505                 case "$host" in
2506                         powerpc-*-darwin*)
2507                         DTRACEFLAGS="-arch ppc"
2508                         ;;
2509                         i*86-*-darwin*)
2510                         DTRACEFLAGS="-arch i386"
2511                         ;;
2512                         *)
2513                         DTRACEFLAGS=-32
2514                         ;;
2515                 esac
2516         fi
2517         AC_SUBST(DTRACEFLAGS)
2518         case "$host" in
2519                 *-*-solaris*)
2520                 dtrace_g=yes
2521                 ;;
2522         esac
2523         AC_CHECK_HEADERS([sys/sdt.h])
2524 fi
2525 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2526 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2527
2528 dnl **************
2529 dnl ***  NaCl  ***
2530 dnl **************
2531
2532 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2533 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2534
2535 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2536
2537 dnl
2538 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2539 dnl
2540 nacl_self_host=""
2541 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2542    nacl_self_host="nacl_self_host"
2543 fi
2544 AC_SUBST(nacl_self_host)
2545
2546 if test "x$enable_nacl_codegen" = "xyes"; then
2547    MONO_NACL_ALIGN_MASK_OFF=1
2548    AC_DEFINE(TARGET_NACL, 1, [...])
2549    AC_DEFINE(__native_client_codegen__, 1, [...])
2550 else
2551    MONO_NACL_ALIGN_MASK_OFF=0
2552    AC_DEFINE(__default_codegen__, 1, [...])
2553 fi
2554 if test "x$enable_nacl_gc" = "xyes"; then
2555    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2556       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2557    else
2558       # Not yet implemented
2559       INSTRUMENT_CFLAG=""
2560    fi
2561    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2562 fi
2563 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2564
2565 dnl **************************
2566 dnl *** AOT cross offsets  ***
2567 dnl **************************
2568
2569 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2570     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2571
2572 dnl **************
2573 dnl ***  LLVM  ***
2574 dnl **************
2575
2576 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2577 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2578 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2579 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2580
2581 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2582
2583 if test "x$enable_llvm" = "xyes"; then
2584    if test "x$with_llvm" != "x"; then
2585           LLVM_CONFIG=$with_llvm/bin/llvm-config
2586           if test x$host_win32 = xyes; then
2587                 LLVM_CONFIG=$LLVM_CONFIG.exe
2588           fi
2589           if test ! -x $LLVM_CONFIG; then
2590                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2591       fi
2592    else
2593       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2594       if test "x$LLVM_CONFIG" = "xno"; then
2595              AC_MSG_ERROR([llvm-config not found.])
2596       fi
2597    fi
2598
2599    llvm_codegen="x86codegen"
2600    case "$target" in
2601    arm*)
2602                 llvm_codegen="armcodegen"
2603                 ;;
2604    esac
2605
2606    if test "x$host_win32" = "xno"; then
2607
2608    # Should be something like '2.6' or '2.7svn'
2609    llvm_version=`$LLVM_CONFIG --version`
2610    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2611    AC_MSG_CHECKING(LLVM version)
2612    AC_MSG_RESULT($llvm_version $llvm_api_version)
2613    if echo $llvm_version | grep -q 'mono'; then
2614           if test "x$enable_llvm_version_check" == "xyes"; then
2615                  if test "$llvm_version" != "$expected_llvm_version"; then
2616                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2617                  fi
2618           fi
2619    else
2620           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.])
2621    fi
2622
2623    # The output of --cflags seems to include optimizations flags too
2624    if test $llvm_api_version -gt 100; then
2625           # The --cflags argument includes all kinds of warnings -pendantic etc.
2626           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2627           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2628    else
2629           LLVM_CFLAGS=`$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'`
2630       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2631    fi
2632    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2633    # from LLVM classes.
2634    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2635    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2636    # This might include empty lines
2637    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2638    llvm_jit_supported=yes
2639    llvm_jit_libs="jit mcjit $llvm_codegen"
2640    if test $llvm_api_version -gt 100; then
2641           # Based on llvm 3.9, only aot is currently supported
2642       llvm_jit_libs="orcjit $llvm_codegen"
2643    elif test "x$host" != "x$target"; then
2644       # No need for jit libs
2645           llvm_jit_supported=no
2646       llvm_jit_libs=""
2647    fi
2648    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2649    if test "x$LLVM_LIBS" == "x"; then
2650           echo "$LLVM_CONFIG --libs failed."
2651           exit 1
2652    fi
2653    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2654    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2655    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2656       LLVM_LIBS="$LLVM_LIBS -lc++"
2657    else
2658       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2659    fi
2660
2661    expected_llvm_version="3.4svn-mono-mono/e656cac"
2662
2663    else
2664        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2665        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2666        LLVM_LDFLAGS="-L$with_llvm/lib"
2667        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2668        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2669          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2670          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2671          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2672          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2673          -lLLVMAnalysis -lLLVMTarget \
2674          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2675          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2676          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2677          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2678          -lLLVMSupport -lstdc++"
2679        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2680
2681        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2682        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2683    fi
2684
2685    if test "x$llvm_api_version" = "x"; then
2686           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2687           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2688    else
2689           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2690           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2691    fi
2692
2693    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2694
2695    AC_SUBST(LLVM_CFLAGS)
2696    AC_SUBST(LLVM_CXXFLAGS)
2697    AC_SUBST(LLVM_LIBS)
2698    AC_SUBST(LLVM_LDFLAGS)
2699    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2700 fi
2701
2702 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2703 if test "x$enable_loadedllvm" = "xyes"; then
2704    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2705 fi
2706 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2707
2708 if test "x$enable_llvm" = "xyes"; then
2709    enable_llvm_runtime=yes
2710 fi
2711 if test "x$enable_llvm_runtime" = "xyes"; then
2712    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2713 fi
2714 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2715
2716 TARGET="unknown"
2717 ACCESS_UNALIGNED="yes"
2718
2719 LIBC="libc.so.6"
2720 INTL="libc.so.6"
2721 SQLITE="libsqlite.so.0"
2722 SQLITE3="libsqlite3.so.0"
2723 X11="libX11.so"
2724 GDKX11="libgdk-x11-2.0.so.0"
2725 GTKX11="libgtk-x11-2.0.so.0"
2726 XINERAMA="libXinerama.so.1"
2727
2728 sizeof_register="SIZEOF_VOID_P"
2729
2730 jit_wanted=true
2731 boehm_supported=true
2732 case "$host" in
2733         mips*)
2734                 TARGET=MIPS;
2735                 arch_target=mips;
2736                 with_tls=pthread;
2737                 ACCESS_UNALIGNED="no"
2738
2739                 AC_MSG_CHECKING(for mips n32)
2740                 AC_TRY_COMPILE([],[
2741                 #if _MIPS_SIM != _ABIN32
2742                 #error Not mips n32
2743                 #endif
2744                 return 0;
2745                 ],[
2746                 AC_MSG_RESULT(yes)
2747                 sizeof_register=8
2748                 ],[
2749                 AC_MSG_RESULT(no)
2750                 ])
2751                 ;;
2752         i*86-*-*)
2753                 TARGET=X86;
2754                 arch_target=x86;
2755                 case $host_os in
2756                   solaris*)
2757                         LIBC="libc.so"
2758                         INTL="libintl.so"
2759                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2760                                 TARGET=AMD64
2761                                 arch_target=amd64
2762                         fi
2763
2764                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2765                         # int astruct __attribute__ ((visibility ("hidden")));
2766                         # void foo ()
2767                         # {
2768                         #       void *p = &astruct;
2769                         # }
2770                         # gcc -fPIC --shared -o libfoo.so foo.c
2771                         # yields:
2772                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2773                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2774                         have_visibility_hidden=no
2775                         ;;
2776                   mingw*|cygwin*)
2777                         have_visibility_hidden=no
2778                         ;;
2779                   haiku*)
2780                         LIBC=libroot.so
2781                         ;;
2782                   linux*)
2783                         AOT_SUPPORTED="yes"
2784                         ;;
2785                   darwin*)
2786                         AOT_SUPPORTED="yes"
2787                         ;;
2788                   openbsd*|freebsd*|kfreebsd-gnu*)
2789                         ;;
2790                 esac
2791                 ;;
2792         x86_64-*-* | amd64-*-*)
2793                 TARGET=AMD64;
2794                 arch_target=amd64;
2795                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2796                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2797                         sizeof_register=8
2798                 fi
2799                 case $host_os in
2800                   linux*)
2801                         AOT_SUPPORTED="yes"
2802                         ;;
2803                   darwin*)
2804                         AOT_SUPPORTED="yes"
2805                         ;;
2806                   openbsd*|freebsd*|kfreebsd-gnu*)
2807                         ;;
2808                   mingw*)
2809                         ;;
2810                 esac
2811                 case "$host" in
2812                         x86_64-*-nacl*)
2813                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2814                                 sizeof_register=8
2815                                 ;;
2816                 esac
2817                 ;;
2818         ia64-*-*)
2819                 TARGET=IA64
2820                 arch_target=ia64
2821                 ACCESS_UNALIGNED="no"
2822                 LIBC="libc.so.6.1"
2823                 INTL="libc.so.6.1"
2824                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2825                 libmono_ldflags="-lunwind"
2826                 ;;
2827         sparc*-*-*)
2828                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2829                    TARGET=SPARC64
2830                 else
2831                         TARGET=SPARC
2832                 fi
2833                 arch_target=sparc;
2834                 ACCESS_UNALIGNED="no"
2835                 case $host_os in
2836                   linux*) ;;
2837                   *)
2838                         LIBC="libc.so"
2839                         INTL="libintl.so"
2840                 esac
2841                 if test x"$GCC" = xyes; then
2842                         # We don't support v8 cpus
2843                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2844                 fi
2845                 if test x"$AR" = xfalse; then
2846                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2847                 fi
2848                 ;;
2849         *-mingw*|*-*-cygwin*)
2850                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2851                 have_visibility_hidden=no
2852                 INTL="intl"
2853                 ;;
2854         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2855         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2856                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2857                         TARGET=POWERPC64;
2858                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2859                         CFLAGS="$CFLAGS -mminimal-toc"
2860                 else
2861                         TARGET=POWERPC;
2862                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2863                 fi
2864                 arch_target=ppc;
2865                 case $host_os in
2866                   linux*|darwin*)
2867                         ;;
2868                 esac
2869                 ;;
2870         armv7k-*-darwin*)
2871                 TARGET=ARM;
2872                 TARGET_SYS=WATCHOS
2873                 arch_target=arm;
2874                 ACCESS_UNALIGNED="no"
2875                 CPPFLAGS="$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 # TODO: make proper support for NaCl host.
2892 #        arm*-*nacl)
2893 #               TARGET=ARM;
2894 #               arch_target=arm;
2895 #               ACCESS_UNALIGNED="no"
2896 #               AOT_SUPPORTED="no"
2897 #               ;;
2898         aarch64-*)
2899                 # https://lkml.org/lkml/2012/7/15/133
2900                 TARGET=ARM64
2901                 arch_target=arm64
2902                 boehm_supported=false
2903                 ;;
2904         s390x-*-linux*)
2905                 TARGET=S390X;
2906                 arch_target=s390x;
2907                 ACCESS_UNALIGNED="yes"
2908                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2909                 ;;
2910 esac
2911
2912 HOST=$TARGET
2913
2914 if test "x$host" != "x$target"; then
2915    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2916    enable_mcs_build=no
2917    case "$target" in
2918    arm*-darwin*)
2919                 TARGET=ARM;
2920                 arch_target=arm;
2921                 ACCESS_UNALIGNED="no"
2922                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2923                 # Can't use tls, since it depends on the runtime detection of tls offsets
2924                 # in mono-compiler.h
2925                 with_tls=pthread
2926                 case "$target" in
2927                 armv7k-*)
2928                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
2929                         ;;
2930                 esac
2931                 ;;
2932    powerpc64-ps3-linux-gnu)
2933                 TARGET=POWERPC64
2934                 arch_target=powerpc64
2935                 AC_DEFINE(TARGET_PS3, 1, [...])
2936                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2937                 # uses this define
2938                 AC_DEFINE(__mono_ppc64__, 1, [...])
2939                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2940                 sizeof_register=8
2941                 target_byte_order=G_BIG_ENDIAN
2942                 ;;
2943    powerpc64-xbox360-linux-gnu)
2944                 TARGET=POWERPC64
2945                 arch_target=powerpc64
2946                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2947                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2948                 # uses this define
2949                 sizeof_register=8
2950                 target_byte_order=G_BIG_ENDIAN
2951                 ;;
2952    x86_64-*-nacl)
2953                 TARGET=AMD64
2954                 arch_target=amd64
2955                 AC_DEFINE(TARGET_AMD64, 1, [...])
2956                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2957                 sizeof_register=8
2958                 ;;
2959 # TODO: make proper support for NaCl target.
2960 #   arm*-*nacl)
2961 #               TARGET=ARM
2962 #               arch_target=arm
2963 #               AC_DEFINE(TARGET_ARM, 1, [...])
2964 #               ACCESS_UNALIGNED="no"
2965 #               sizeof_register=4
2966 #               CPPFLAGS="$CPPFLAGS \
2967 #                    -D__ARM_EABI__ \
2968 #                    -D__arm__ \
2969 #                    -D__portable_native_client__ \
2970 #                    -Dtimezone=_timezone \
2971 #                    -DDISABLE_SOCKETS \
2972 #                    -DDISABLE_ATTACH \
2973 #                    -DUSE_NEWLIB"
2974                 # Can't use tls, since it depends on the runtime detection of tls offsets
2975                 # in mono-compiler.h
2976 #               with_tls=pthread
2977 #               ;;
2978    i686-*-nacl)
2979                 TARGET=X86
2980                 arch_target=x86
2981                 AC_DEFINE(TARGET_X86, 1, [...])
2982                 sizeof_register=4
2983                 ;;
2984    arm*-linux-*)
2985                 TARGET=ARM;
2986                 arch_target=arm;
2987                 AC_DEFINE(TARGET_ARM, 1, [...])
2988                 AC_DEFINE(TARGET_ANDROID, 1, [...])
2989                 ACCESS_UNALIGNED="no"
2990                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2991                 # Can't use tls, since it depends on the runtime detection of tls offsets
2992                 # in mono-compiler.h
2993                 with_tls=pthread
2994                 target_mach=no
2995                 case "$target" in
2996                 armv7l-unknown-linux-gnueabi*)
2997                         # TEGRA
2998                         CPPFLAGS="$CPPFLAGS"
2999                         ;;
3000                 armv5-*-linux-androideabi*)
3001                         CPPFLAGS="$CPPFLAGS"
3002                         ;;
3003                 esac
3004                 ;;
3005    i686*-linux-*)
3006                 TARGET=X86;
3007                 arch_target=x86;
3008                 AC_DEFINE(TARGET_X86, 1, [...])
3009                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3010                 CPPFLAGS="$CPPFLAGS"
3011                 # Can't use tls, since it depends on the runtime detection of tls offsets
3012                 # in mono-compiler.h
3013                 with_tls=pthread
3014                 target_mach=no
3015                 ;;
3016    x86_64*-linux-*)
3017                 TARGET=AMD64;
3018                 arch_target=amd64;
3019                 AC_DEFINE(TARGET_AMD64, 1, [...])
3020                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3021                 CPPFLAGS="$CPPFLAGS"
3022                 # Can't use tls, since it depends on the runtime detection of tls offsets
3023                 # in mono-compiler.h
3024                 with_tls=pthread
3025                 target_mach=no
3026                 ;;
3027    x86_64-ps4-freebsd)
3028                 TARGET=AMD64;
3029                 arch_target=amd64;
3030                 AC_DEFINE(TARGET_AMD64, 1, [...])
3031                 AC_DEFINE(TARGET_PS4, 1, [...])
3032                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3033                 CPPFLAGS="$CPPFLAGS"
3034                 # Can't use tls, since it depends on the runtime detection of tls offsets
3035                 # in mono-compiler.h
3036                 with_tls=pthread
3037                 target_mach=no
3038                 target_win32=no
3039                 ;;
3040    aarch64*-linux-*)
3041                 TARGET=ARM64;
3042                 arch_target=arm64;
3043                 AC_DEFINE(TARGET_ARM64, 1, [...])
3044                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3045                 CPPFLAGS="$CPPFLAGS"
3046                 # Can't use tls, since it depends on the runtime detection of tls offsets
3047                 # in mono-compiler.h
3048                 with_tls=pthread
3049                 target_mach=no
3050                 ;;
3051         aarch64-*)
3052                 TARGET=ARM64
3053                 ;;
3054         *)
3055                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3056         esac
3057 fi
3058
3059 case "$TARGET" in
3060 X86)
3061         AC_DEFINE(TARGET_X86, 1, [...])
3062         ;;
3063 AMD64)
3064         AC_DEFINE(TARGET_AMD64, 1, [...])
3065         ;;
3066 ARM)
3067         AC_DEFINE(TARGET_ARM, 1, [...])
3068         ;;
3069 ARM64)
3070         AC_DEFINE(TARGET_ARM64, 1, [...])
3071         ;;
3072 POWERPC)
3073         AC_DEFINE(TARGET_POWERPC, 1, [...])
3074         ;;
3075 POWERPC64)
3076         AC_DEFINE(TARGET_POWERPC, 1, [...])
3077         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3078         ;;
3079 S390X)
3080         AC_DEFINE(TARGET_S390X, 1, [...])
3081         ;;
3082 MIPS)
3083         AC_DEFINE(TARGET_MIPS, 1, [...])
3084         ;;
3085 IA64)
3086         AC_DEFINE(TARGET_IA64, 1, [...])
3087         ;;
3088 SPARC)
3089         AC_DEFINE(TARGET_SPARC, 1, [...])
3090         ;;
3091 SPARC64)
3092         AC_DEFINE(TARGET_SPARC64, 1, [...])
3093         ;;
3094 esac
3095
3096 case "$HOST" in
3097 X86)
3098         AC_DEFINE(HOST_X86, 1, [...])
3099         ;;
3100 AMD64)
3101         AC_DEFINE(HOST_AMD64, 1, [...])
3102         ;;
3103 ARM)
3104         AC_DEFINE(HOST_ARM, 1, [...])
3105         ;;
3106 ARM64)
3107         AC_DEFINE(HOST_ARM64, 1, [...])
3108         ;;
3109 POWERPC)
3110         AC_DEFINE(HOST_POWERPC, 1, [...])
3111         ;;
3112 POWERPC64)
3113         AC_DEFINE(HOST_POWERPC, 1, [...])
3114         AC_DEFINE(HOST_POWERPC64, 1, [...])
3115         ;;
3116 S390X)
3117         AC_DEFINE(HOST_S390X, 1, [...])
3118         ;;
3119 MIPS)
3120         AC_DEFINE(HOST_MIPS, 1, [...])
3121         ;;
3122 IA64)
3123         AC_DEFINE(HOST_IA64, 1, [...])
3124         ;;
3125 SPARC)
3126         AC_DEFINE(HOST_SPARC, 1, [...])
3127         ;;
3128 SPARC64)
3129         AC_DEFINE(HOST_SPARC64, 1, [...])
3130         ;;
3131 esac
3132
3133
3134
3135 dnl *************
3136 dnl *** VTUNE ***
3137 dnl *************
3138
3139 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3140 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3141
3142 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3143
3144 if test "x$enable_vtune" = "xyes"; then
3145         if test "x$with_vtune" = "x"; then
3146                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3147         else
3148                 VTUNE_PATH=$with_vtune
3149         fi
3150         VTUNE_INCLUDE=$VTUNE_PATH/include
3151         case "$TARGET" in
3152         X86)
3153                 VTUNE_LIB=$VTUNE_PATH/lib32
3154                 ;;
3155         AMD64)
3156                 VTUNE_LIB=$VTUNE_PATH/lib64
3157                 ;;
3158         *)
3159                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3160                 ;;
3161         esac
3162         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3163                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3164         fi
3165         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3166                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3167         fi
3168
3169         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3170         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3171
3172         AC_SUBST(VTUNE_LIBS)
3173         AC_SUBST(VTUNE_CFLAGS)
3174 fi
3175 dnl Use GCC atomic ops if they work on the target.
3176 if test x$GCC = "xyes"; then
3177         case $TARGET in
3178         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3179                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3180                 ;;
3181         esac
3182 fi
3183
3184 if test "x$target_mach" = "xyes"; then
3185
3186    if test "x$TARGET_SYS" = "xWATCHOS"; then
3187           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3188           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3189           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3190    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3191           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3192           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3193           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3194    else
3195        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3196        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3197        #error fail this for ios
3198        #endif
3199        return 0;
3200        ], [
3201                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3202           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3203           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3204        ], [
3205           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3206           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3207           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3208        ])
3209         fi
3210    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3211 fi
3212
3213 if test "x$sizeof_register" = "x4"; then
3214    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3215 elif test "x$sizeof_register" = "x8"; then
3216    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3217 else
3218    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3219 fi
3220
3221 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3222    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3223 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3224    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3225 else
3226    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3227 fi
3228
3229 if test "x$have_visibility_hidden" = "xyes"; then
3230    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3231 fi
3232
3233 if test "x$have_deprecated" = "xyes"; then
3234    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3235 fi
3236
3237 dnl
3238 dnl Simple Generational checks (sgen)
3239 dnl
3240 SGEN_DEFINES=
3241 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3242 if test x$buildsgen = xyes; then
3243    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3244    SGEN_DEFINES="-DHAVE_SGEN_GC"
3245    gc_msg="sgen and $gc_msg"
3246 fi
3247 AC_SUBST(SGEN_DEFINES)
3248 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3249
3250 jit_status="Building and using the JIT"
3251
3252 libsuffix=".so"
3253
3254 case "$host" in
3255      *-*-darwin*)
3256         libsuffix=".dylib"
3257         LIBC="libc.dylib"
3258         INTL="libintl.dylib"
3259         SQLITE="libsqlite.0.dylib"
3260         SQLITE3="libsqlite3.0.dylib"
3261         X11="libX11.dylib"
3262         GDKX11="libgdk-x11-2.0.dylib"
3263         GTKX11="libgtk-x11-2.0.dylib"
3264         ;;
3265      *-*-*netbsd*)
3266         LIBC="libc.so.12"
3267         INTL="libintl.so.0"
3268         ;;
3269      *-*-kfreebsd*-gnu)
3270         LIBC="libc.so.0.1"
3271         INTL="libc.so.0.1"
3272         X11="libX11.so.6"
3273         ;;
3274     *-*-*freebsd*)
3275         LIBC="libc.so.7"
3276         INTL="libintl.so"
3277         SQLITE="libsqlite.so"
3278         SQLITE3="libsqlite3.so"
3279         ;;
3280     *-*-*openbsd*)
3281         LIBC="libc.so"
3282         INTL="libintl.so"
3283         SQLITE="libsqlite.so"
3284         SQLITE3="libsqlite3.so"
3285         ;;
3286     *-*-*linux*)
3287         AC_PATH_X
3288         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3289         AC_MSG_CHECKING(for the soname of libX11.so)
3290         for i in $x_libraries $dlsearch_path; do
3291                 for r in 4 5 6; do
3292                         if test -f $i/libX11.so.$r; then
3293                                 X11=libX11.so.$r
3294                                 AC_MSG_RESULT($X11)
3295                         fi
3296                 done
3297         done
3298
3299         if test "x$X11" = "xlibX11.so"; then
3300                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3301                 X11=libX11.so.6
3302         fi
3303         ;;
3304 esac
3305
3306
3307 AC_SUBST(libsuffix)
3308
3309 AC_ARG_WITH([libgdiplus],
3310         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3311         [], [with_libgdiplus=installed])
3312
3313 # default install location
3314 libgdiplus_install_loc=libgdiplus${libsuffix}
3315 case "$host" in
3316     *-*-*linux*)
3317     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3318     ;;
3319 esac
3320
3321 case $with_libgdiplus in
3322     no|installed)
3323     libgdiplus_loc=
3324     ;;
3325
3326     yes|sibling)
3327     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3328     ;;
3329
3330     /*) # absolute path, assume it is an install location
3331     libgdiplus_loc=$with_libgdiplus
3332     libgdiplus_install_loc=$with_libgdiplus
3333     ;;
3334
3335     *)
3336     libgdiplus_loc=`pwd`/$with_libgdiplus
3337     ;;
3338 esac
3339 AC_SUBST([libgdiplus_loc])
3340 AC_SUBST([libgdiplus_install_loc])
3341
3342 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3343 if test "x$icall_symbol_map" = "xyes"; then
3344    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3345 fi
3346
3347 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3348 if test "x$icall_export" = "xyes"; then
3349    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3350 fi
3351
3352 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3353 if test "x$icall_tables" = "xno"; then
3354    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3355 fi
3356
3357 if test "x$with_tls" = "x__thread"; then
3358         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3359         # Pass the information to libgc
3360         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3361         AC_MSG_CHECKING(if the tls_model attribute is supported)
3362         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3363                 ], [
3364                         AC_MSG_RESULT(yes)
3365                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3366                 ], [
3367                         AC_MSG_RESULT(no)
3368         ])
3369 fi
3370
3371 if test ${TARGET} = ARM; then
3372         dnl ******************************************
3373         dnl *** Check to see what FPU is available ***
3374         dnl ******************************************
3375         AC_MSG_CHECKING(which FPU to use)
3376
3377         #
3378         # This is a bit tricky:
3379         #
3380         # if (__ARM_PCS_VFP) {
3381         #       /* mfloat-abi=hard == VFP with hard ABI */
3382         # } elif (!__SOFTFP__) {
3383         #       /* mfloat-abi=softfp == VFP with soft ABI */
3384         # } else {
3385         #       /* mfloat-abi=soft == no VFP */
3386         # }
3387         #
3388         # The exception is iOS (w/ GCC) where none of the above
3389         # are defined (but iOS always uses the 'softfp' ABI).
3390         #
3391         # No support for FPA.
3392         #
3393
3394         fpu=NONE
3395
3396         # iOS GCC always uses the 'softfp' ABI.
3397         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3398                 fpu=VFP
3399         fi
3400
3401         # Are we using the 'hard' ABI?
3402         if test x$fpu = xNONE; then
3403                 AC_TRY_COMPILE([], [
3404                         #ifndef __ARM_PCS_VFP
3405                         #error "Float ABI is not 'hard'"
3406                         #endif
3407                         return 0;
3408                 ], [
3409                         fpu=VFP_HARD
3410                 ], [
3411                         fpu=NONE
3412                 ])
3413         fi
3414
3415         # No 'hard' ABI. 'soft' or 'softfp'?
3416         if test x$fpu = xNONE; then
3417                 AC_TRY_COMPILE([], [
3418                         #ifdef __SOFTFP__
3419                         #error "Float ABI is not 'softfp'"
3420                         #endif
3421                         return 0;
3422                 ], [
3423                         fpu=VFP
3424                 ], [
3425                         fpu=NONE
3426                 ])
3427         fi
3428
3429         AC_MSG_RESULT($fpu)
3430         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3431         unset fpu
3432
3433         dnl *********************************************
3434         dnl *** Check which ARM version(s) we can use ***
3435         dnl *********************************************
3436         AC_MSG_CHECKING(which ARM version to use)
3437
3438         AC_TRY_COMPILE([], [
3439                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3440                 #error Not on ARM v5.
3441                 #endif
3442                 return 0;
3443         ], [
3444                 arm_v5=yes
3445
3446                 arm_ver=ARMv5
3447         ], [])
3448
3449         AC_TRY_COMPILE([], [
3450                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3451                 #error Not on ARM v6.
3452                 #endif
3453                 return 0;
3454         ], [
3455                 arm_v5=yes
3456                 arm_v6=yes
3457
3458                 arm_ver=ARMv6
3459         ], [])
3460
3461         AC_TRY_COMPILE([], [
3462                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3463                 #error Not on ARM v7.
3464                 #endif
3465                 return 0;
3466         ], [
3467                 arm_v5=yes
3468                 arm_v6=yes
3469                 arm_v7=yes
3470
3471                 arm_ver=ARMv7
3472         ], [])
3473
3474         AC_MSG_RESULT($arm_ver)
3475
3476         if test x$arm_v5 = xyes; then
3477                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3478                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3479         fi
3480
3481         if test x$arm_v6 = xyes; then
3482                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3483                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3484         fi
3485
3486         if test x$arm_v7 = xyes; then
3487                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3488                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3489         fi
3490 fi
3491
3492 if test ${TARGET} = ARM; then
3493         if test "x${with_jumptables}" = "xyes"; then
3494                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3495         fi
3496 fi
3497
3498 if test ${TARGET} = unknown; then
3499         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3500         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3501 fi
3502
3503 if test ${ACCESS_UNALIGNED} = no; then
3504         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3505 fi
3506
3507 case "x$libgc" in
3508         xincluded)
3509                 # Pass CPPFLAGS to libgc configure
3510                 # We should use a separate variable for this to avoid passing useless and
3511                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3512                 # This should be executed late so we pick up the final version of CPPFLAGS
3513                 # The problem with this approach, is that during a reconfigure, the main
3514                 # configure scripts gets invoked with these arguments, so we use separate
3515                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3516                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3517                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3518                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3519                 fi
3520                 # Don't pass -finstrument-for-thread-suspension in,
3521                 # if these are instrumented it will be very bad news
3522                 # (infinite recursion, undefined parking behavior, etc)
3523                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3524                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3525                 if test "x$support_boehm" = "xyes"; then
3526                         AC_CONFIG_SUBDIRS(libgc)
3527                 fi
3528                 ;;
3529 esac
3530
3531 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])
3532 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=no])
3533 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=no])
3534 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])
3535 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])
3536 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=no])
3537 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=no])
3538 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])
3539
3540 OPROFILE=no
3541 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3542         if test x$with_oprofile != xno; then
3543             oprofile_include=$with_oprofile/include
3544             if test ! -f $oprofile_include/opagent.h; then
3545                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3546                 fi
3547             OPROFILE=yes
3548                 OPROFILE_CFLAGS="-I$oprofile_include"
3549             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3550             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3551         fi
3552 ])
3553
3554 MALLOC_MEMPOOLS=no
3555 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3556         if test x$with_malloc_mempools = xyes; then
3557                 MALLOC_MEMPOOLS=yes
3558                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3559         fi
3560 ])
3561
3562
3563 DISABLE_MCS_DOCS=no
3564 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3565         if test x$with_mcs_docs != xyes; then
3566                 DISABLE_MCS_DOCS=yes
3567         fi
3568 ])
3569 if test x$with_profile4_x != xyes; then
3570         DISABLE_MCS_DOCS=yes
3571 fi
3572
3573 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)],[
3574         if test x$with_lazy_gc_thread_creation != xno ; then
3575                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3576         fi
3577 ], [with_lazy_gc_thread_creation=no])
3578
3579 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3580         if test x$with_cooperative_gc != xno ; then
3581                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3582         fi
3583 ], [with_cooperative_gc=no])
3584
3585 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],[
3586
3587         if test x$enable_checked_build != x ; then
3588                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3589         fi
3590         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3591                 eval "mono_checked_build_test_enable_$feature='yes'"
3592         done
3593
3594         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3595                 eval "mono_checked_build_test_enable_gc='yes'"
3596                 eval "mono_checked_build_test_enable_metadata='yes'"
3597                 eval "mono_checked_build_test_enable_thread='yes'"
3598         fi
3599
3600         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3601                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3602         fi
3603
3604         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3605                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3606         fi
3607
3608         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3609                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3610         fi
3611
3612 ], [])
3613
3614 AC_CHECK_HEADER([malloc.h],
3615                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3616                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3617
3618 if test x"$GCC" = xyes; then
3619         # Implicit function declarations are not 64 bit safe
3620         # Do this late, since this causes lots of configure tests to fail
3621         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3622         # jay has a lot of implicit declarations
3623         JAY_CFLAGS="-Wno-implicit-function-declaration"
3624 fi
3625
3626 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3627 # instead of libmono-static.a
3628 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3629    LIBMONO_LA=libmini-static.la
3630 else
3631    if test x$buildsgen = xyes; then
3632       LIBMONO_LA=libmonosgen-$API_VER.la
3633    else
3634       LIBMONO_LA=libmonoboehm-$API_VER.la
3635    fi
3636 fi
3637 AC_SUBST(LIBMONO_LA)
3638
3639 dnl
3640 dnl Consistency settings
3641 dnl
3642 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3643    DISABLE_MCS_DOCS=yes
3644    with_profile4_x=no
3645    with_monodroid=no
3646    with_monotouch=no
3647    with_monotouch_watch=no
3648    with_monotouch_tv=no
3649    with_xammac=no
3650    with_mobile_static=no
3651 fi
3652
3653 if test x$DISABLE_MCS_DOCS = xyes; then
3654    docs_dir=""
3655 else
3656    docs_dir=docs
3657 fi
3658 AC_SUBST(docs_dir)
3659
3660 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3661 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3662
3663 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3664 AC_SUBST(OPROFILE_CFLAGS)
3665 AC_SUBST(OPROFILE_LIBS)
3666
3667 libmono_ldflags="$libmono_ldflags $LIBS"
3668
3669 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = xyes])
3670 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3671 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3672 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
3673 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
3674 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
3675 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3676 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
3677
3678 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3679 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3680 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3681 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3682 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3683 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3684 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3685 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3686 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3687 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3688 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3689 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3690 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3691 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3692 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3693 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3694 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3695 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3696
3697 AC_SUBST(LIBC)
3698 AC_SUBST(INTL)
3699 AC_SUBST(SQLITE)
3700 AC_SUBST(SQLITE3)
3701 AC_SUBST(X11)
3702 AC_SUBST(GDKX11)
3703 AC_SUBST(GTKX11)
3704 AC_SUBST(XINERAMA)
3705 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3706 AC_SUBST(arch_target)
3707 AC_SUBST(CFLAGS)
3708 AC_SUBST(CPPFLAGS)
3709 AC_SUBST(LDFLAGS)
3710
3711 #This must always be defined when building the runtime
3712 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3713
3714 mono_build_root=`pwd`
3715 AC_SUBST(mono_build_root)
3716
3717 mono_runtime=mono/mini/mono
3718 AC_SUBST(mono_runtime)
3719
3720 mono_cfg_root=$mono_build_root/runtime
3721 if test x$host_win32 = xyes; then
3722   if test "x$cross_compiling" = "xno"; then
3723     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3724   else
3725     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3726   fi
3727 else
3728   mono_cfg_dir=$mono_cfg_root/etc
3729 fi
3730 AC_SUBST(mono_cfg_dir)
3731
3732 default_profile=net_4_x
3733 if test -z "$INSTALL_MONODROID_TRUE"; then :
3734    default_profile=monodroid
3735 fi
3736 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
3737    default_profile=monotouch
3738 fi
3739 if test -z "$INSTALL_XAMMAC_TRUE"; then :
3740    default_profile=xammac
3741 fi
3742 if test -z "$INSTALL_4_x_TRUE"; then :
3743    default_profile=net_4_x
3744 fi
3745 DEFAULT_PROFILE=$default_profile
3746 AC_SUBST(DEFAULT_PROFILE)
3747
3748 AC_CONFIG_FILES([po/mcs/Makefile.in])
3749
3750 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3751 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3752
3753 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3754 [   depth=../../../..
3755     case $srcdir in
3756     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3757     .) reldir=$depth ;;
3758     *) reldir=$depth/$srcdir ;;
3759     esac
3760     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3761     cd runtime/etc/mono/1.0
3762     rm -f machine.config
3763     $LN_S $reldir/data/net_1_1/machine.config machine.config
3764     cd $depth
3765 ],[LN_S='$LN_S'])
3766
3767 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3768 [   depth=../../../..
3769     case $srcdir in
3770     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3771     .) reldir=$depth ;;
3772     *) reldir=$depth/$srcdir ;;
3773     esac
3774     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3775     cd runtime/etc/mono/2.0
3776     rm -f machine.config
3777     $LN_S $reldir/data/net_2_0/machine.config machine.config
3778     cd $depth
3779 ],[LN_S='$LN_S'])
3780
3781 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3782 [   depth=../../../..
3783     case $srcdir in
3784     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3785     .) reldir=$depth ;;
3786     *) reldir=$depth/$srcdir ;;
3787     esac
3788     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3789     cd runtime/etc/mono/2.0
3790     rm -f web.config
3791     $LN_S $reldir/data/net_2_0/web.config web.config
3792     cd $depth
3793 ],[LN_S='$LN_S'])
3794
3795 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3796 [   depth=../../..
3797     case $srcdir in
3798     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3799     .) reldir=$depth ;;
3800     *) reldir=$depth/$srcdir ;;
3801     esac
3802     $ac_aux_dir/install-sh -d runtime/etc/mono/
3803     cd runtime/etc/mono/
3804     rm -f browscap.ini
3805     $LN_S $reldir/data/browscap.ini browscap.ini
3806     cd $depth
3807 ],[LN_S='$LN_S'])
3808
3809 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3810 [   depth=../../../../..
3811     case $srcdir in
3812     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3813     .) reldir=$depth ;;
3814     *) reldir=$depth/$srcdir ;;
3815     esac
3816     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3817     cd runtime/etc/mono/2.0/Browsers
3818     rm -f Compat.browser
3819     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3820     cd $depth
3821 ],[LN_S='$LN_S'])
3822
3823 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3824 [   depth=../../../../..
3825     case $srcdir in
3826     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3827     .) reldir=$depth ;;
3828     *) reldir=$depth/$srcdir ;;
3829     esac
3830     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3831     cd runtime/etc/mono/4.0/Browsers
3832     rm -f Compat.browser
3833     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3834     cd $depth
3835 ],[LN_S='$LN_S'])
3836
3837 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3838 [   depth=../../../../..
3839     case $srcdir in
3840     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3841     .) reldir=$depth ;;
3842     *) reldir=$depth/$srcdir ;;
3843     esac
3844     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3845     cd runtime/etc/mono/4.5/Browsers
3846     rm -f Compat.browser
3847     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3848     cd $depth
3849 ],[LN_S='$LN_S'])
3850
3851 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3852 [   depth=../../../..
3853     case $srcdir in
3854     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3855     .) reldir=$depth ;;
3856     *) reldir=$depth/$srcdir ;;
3857     esac
3858     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3859     cd runtime/etc/mono/4.0
3860     rm -f machine.config
3861     $LN_S $reldir/data/net_4_0/machine.config machine.config
3862     cd $depth
3863 ],[LN_S='$LN_S'])
3864
3865 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3866 [   depth=../../../..
3867     case $srcdir in
3868     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3869     .) reldir=$depth ;;
3870     *) reldir=$depth/$srcdir ;;
3871     esac
3872     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3873     cd runtime/etc/mono/4.0
3874     rm -f web.config
3875     $LN_S $reldir/data/net_4_0/web.config web.config
3876     cd $depth
3877 ],[LN_S='$LN_S'])
3878
3879 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3880 [   depth=../../../..
3881     case $srcdir in
3882     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3883     .) reldir=$depth ;;
3884     *) reldir=$depth/$srcdir ;;
3885     esac
3886     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3887     cd runtime/etc/mono/4.5
3888     rm -f machine.config
3889     $LN_S $reldir/data/net_4_5/machine.config machine.config
3890     cd $depth
3891 ],[LN_S='$LN_S'])
3892
3893 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3894 [   depth=../../../..
3895     case $srcdir in
3896     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3897     .) reldir=$depth ;;
3898     *) reldir=$depth/$srcdir ;;
3899     esac
3900     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3901     cd runtime/etc/mono/4.5
3902     rm -f web.config
3903     $LN_S $reldir/data/net_4_5/web.config web.config
3904     cd $depth
3905 ],[LN_S='$LN_S'])
3906
3907 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])
3908 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])
3909
3910 AC_OUTPUT([
3911 Makefile
3912 mono-uninstalled.pc
3913 acceptance-tests/Makefile
3914 scripts/mono-find-provides
3915 scripts/mono-find-requires
3916 mono/Makefile
3917 mono/utils/Makefile
3918 mono/metadata/Makefile
3919 mono/dis/Makefile
3920 mono/cil/Makefile
3921 mono/arch/Makefile
3922 mono/arch/x86/Makefile
3923 mono/arch/amd64/Makefile
3924 mono/arch/ppc/Makefile
3925 mono/arch/sparc/Makefile
3926 mono/arch/s390x/Makefile
3927 mono/arch/arm/Makefile
3928 mono/arch/arm64/Makefile
3929 mono/arch/ia64/Makefile
3930 mono/arch/mips/Makefile
3931 mono/sgen/Makefile
3932 mono/tests/Makefile
3933 mono/tests/tests-config
3934 mono/tests/assemblyresolve/Makefile
3935 mono/tests/gc-descriptors/Makefile
3936 mono/unit-tests/Makefile
3937 mono/benchmark/Makefile
3938 mono/io-layer/Makefile
3939 mono/mini/Makefile
3940 mono/profiler/Makefile
3941 m4/Makefile
3942 ikvm-native/Makefile
3943 scripts/Makefile
3944 man/Makefile
3945 docs/Makefile
3946 data/Makefile
3947 data/net_2_0/Makefile
3948 data/net_4_0/Makefile
3949 data/net_4_5/Makefile
3950 data/net_2_0/Browsers/Makefile
3951 data/net_4_0/Browsers/Makefile
3952 data/net_4_5/Browsers/Makefile
3953 data/mint.pc
3954 data/mono-2.pc
3955 data/monosgen-2.pc
3956 data/mono.pc
3957 data/mono-cairo.pc
3958 data/mono-nunit.pc
3959 data/mono-options.pc
3960 data/mono-lineeditor.pc
3961 data/monodoc.pc
3962 data/dotnet.pc
3963 data/dotnet35.pc
3964 data/wcf.pc
3965 data/cecil.pc
3966 data/system.web.extensions_1.0.pc
3967 data/system.web.extensions.design_1.0.pc
3968 data/system.web.mvc.pc
3969 data/system.web.mvc2.pc
3970 data/system.web.mvc3.pc
3971 data/aspnetwebstack.pc
3972 data/reactive.pc
3973 samples/Makefile
3974 support/Makefile
3975 data/config
3976 tools/Makefile
3977 tools/locale-builder/Makefile
3978 tools/sgen/Makefile
3979 tools/monograph/Makefile
3980 runtime/Makefile
3981 msvc/Makefile
3982 po/Makefile
3983 ])
3984
3985 # Update all submodules recursively to ensure everything is checked out
3986 $srcdir/scripts/update_submodules
3987
3988 if test x$host_win32 = xyes; then
3989    # Get rid of 'cyg' prefixes in library names
3990    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3991    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3992    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3993    # executable doesn't work...
3994    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3995 fi
3996
3997 if test x$host_darwin = xyes; then
3998    # This doesn't seem to be required and it slows down parallel builds
3999    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4000 fi
4001
4002 (
4003   case $prefix in
4004   NONE) prefix=$ac_default_prefix ;;
4005   esac
4006   case $exec_prefix in
4007   NONE) exec_prefix='${prefix}' ;;
4008   esac
4009
4010   #
4011   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4012   # any existing config.make.  This allows people to share the same source tree
4013   # with different build directories, one native and one cross
4014   #
4015   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4016
4017     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4018
4019     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4020     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4021     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4022     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4023     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4024     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4025     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4026     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4027
4028     case $INSTALL in
4029     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4030     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4031     esac
4032
4033     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4034
4035     export VERSION
4036     [myver=$($AWK 'BEGIN {
4037       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4038       if(length(vsplit [1]) > 4) {
4039         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4040       }
4041       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4042     }')]
4043
4044     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4045
4046     if test x$host_darwin = xyes; then
4047       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4048     fi
4049
4050         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4051            enable_system_aot=yes
4052         fi
4053
4054     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4055       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4056     fi
4057
4058     if test x$DISABLE_MCS_DOCS = xyes; then
4059       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4060     fi
4061
4062     if test x$has_extension_module != xno; then
4063         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4064     fi
4065
4066     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4067
4068     if test "x$test_bcl_opt" = "xyes"; then
4069       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4070     fi
4071
4072   fi
4073
4074 )
4075
4076 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4077
4078 echo "
4079         mcs source:    $mcsdir
4080
4081    Engine:
4082         Host:          $host
4083         Target:        $target
4084         GC:            $gc_msg
4085         TLS:           $with_tls
4086         SIGALTSTACK:   $with_sigaltstack
4087         Engine:        $jit_status
4088         oprofile:      $OPROFILE
4089         BigArrays:     $enable_big_arrays
4090         DTrace:        $enable_dtrace
4091         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4092
4093    Libraries:
4094         .NET 4.6:        $with_profile4_x
4095         Xamarin.Android: $with_monodroid
4096         Xamarin.iOS:     $with_monotouch
4097         Xamarin.WatchOS: $with_monotouch_watch
4098         Xamarin.TVOS:    $with_monotouch_tv
4099         Xamarin.Mac:     $with_xammac
4100         mobile_static:   $with_mobile_static
4101         JNI support:     $jdk_headers_found
4102         libgdiplus:      $libgdiplus_msg
4103         zlib:            $zlib_msg
4104         $disabled
4105 "
4106 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4107    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4108 fi