configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [5.5.0],
   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 MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
  32 MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
  33 MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
  34
  35 # This is the version number of the corlib-runtime interface. When
  36 # making changes to this interface (by changing the layout
  37 # of classes the runtime knows about, changing icall signature or
  38 # semantics etc), increment this variable.
  39 #
  40 # This can be reset to 0 when Mono's version number is bumped
  41 # since it's part of the corlib version (the prefix '1' in the full
  42 # version number is to ensure the number isn't treated as octal in C)
  43 MONO_CORLIB_COUNTER=2
  44 MONO_CORLIB_VERSION=`printf "1%02d%02d%02d%03d" $MONO_VERSION_MAJOR $MONO_VERSION_MINOR $MONO_VERSION_BUILD $MONO_CORLIB_COUNTER`
  45
  46 AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,$MONO_CORLIB_VERSION,[Version of the corlib-runtime interface])
  47 AC_SUBST(MONO_CORLIB_VERSION)
  48
  49 case $host_os in
  50 *cygwin* )
  51                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  52                  exit 1
  53 esac
  54
  55 # In case of cygwin, override LN_S, irrespective of what it determines.
  56 # The build uses cygwin, but the actual runtime doesn't.
  57 case $host_os in
  58 *cygwin* ) LN_S='cp -p';;
  59 esac
  60
  61 #
  62 # libgc defaults
  63 #
  64 libgc_configure_args=
  65
  66 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  67 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  68 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  69 CFLAGS_FOR_LIBGC=$CFLAGS
  70 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  71 CFLAGS_FOR_EGLIB=$CFLAGS
  72 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  73 CFLAGS_FOR_BTLS=$CFLAGS
  74
  75 # libgc uses some deprecated APIs
  76 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  77
  78 #
  79 # These are the flags that need to be stored in the mono.pc file for
  80 # compiling code that will embed Mono
  81 #
  82 libmono_cflags=""
  83 libmono_ldflags=""
  84 AC_SUBST(libmono_cflags)
  85 AC_SUBST(libmono_ldflags)
  86
  87 # Variable to have relocatable .pc files (lib, or lib64)
  88 # realpath isn't always available, and requires that all but the tip of the provided
  89 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  90 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  91 # too deep for the old method to work
  92 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  93 AC_SUBST(reloc_libdir)
  94
  95 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  96 need_link_unlink=no
  97
  98 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  99 extra_runtime_ldflags=""
 100
 101 # Thread configuration inspired by sleepycat's db
 102 AC_MSG_CHECKING([host platform characteristics])
 103 libgc_threads=no
 104 has_dtrace=no
 105 parallel_mark=yes
 106 ikvm_native=yes
 107
 108 host_win32=no
 109 target_win32=no
 110 platform_android=no
 111 host_darwin=no
 112 case "$host" in
 113         *-mingw*|*-*-cygwin*)
 114                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 115                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 116                 host_win32=yes
 117                 mono_cv_clang=no
 118                 if test "x$cross_compiling" = "xno"; then
 119                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 120                                 target_win32=yes
 121                         fi
 122                 else
 123                         if test "x$host" = "x$target"; then
 124                                 target_win32=yes
 125                         fi
 126                 fi
 127                 HOST_CC="gcc"
 128                 # Windows Vista or later is required
 129                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 130                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 131                 libmono_cflags="-mms-bitfields -mwindows"
 132                 libmono_ldflags="-mms-bitfields -mwindows"
 133                 libdl=
 134                 libgc_threads=win32
 135                 with_sigaltstack=no
 136                 with_tls=pthread
 137                 with_sgen_default_concurrent=yes
 138                 LN_S=cp
 139                 # This forces libgc to use the DllMain based thread registration code on win32
 140                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 141                 ;;
 142         *-*-*netbsd*)
 143                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 144                 libmono_cflags="-D_REENTRANT"
 145                 LDFLAGS="$LDFLAGS -pthread"
 146                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 147                 libmono_ldflags="-pthread"
 148                 need_link_unlink=yes
 149                 libdl="-ldl"
 150                 libgc_threads=pthreads
 151                 with_sigaltstack=no
 152                 use_sigposix=yes
 153                 with_sgen_default_concurrent=yes
 154                 ;;
 155         *-*-kfreebsd*-gnu)
 156                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 157                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 158                 libmono_ldflags="-lpthread -pthread"
 159                 libdl="-ldl"
 160                 libgc_threads=pthreads
 161                 need_link_unlink=yes
 162                 with_sigaltstack=no
 163                 use_sigposix=yes
 164                 with_sgen_default_concurrent=yes
 165                 ;;
 166         *-*-*freebsd*)
 167                 if test "x$PTHREAD_CFLAGS" = "x"; then
 168                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 169                         libmono_cflags=
 170                 else
 171                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 172                         libmono_cflags="$PTHREAD_CFLAGS"
 173                 fi
 174                 if test "x$PTHREAD_LIBS" = "x"; then
 175                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 176                         libmono_ldflags="-pthread"
 177                 else
 178                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 179                         libmono_ldflags="$PTHREAD_LIBS"
 180                 fi
 181                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 182                 need_link_unlink=yes
 183                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 184                 libdl=
 185                 libgc_threads=pthreads
 186                 use_sigposix=yes
 187                 has_dtrace=yes
 188                 with_sgen_default_concurrent=yes
 189                 ;;
 190         *-*-*openbsd*)
 191                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 192                 if test "x$disable_munmap" != "xyes"; then
 193                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 194                 fi
 195                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 196                 LDFLAGS="$LDFLAGS -pthread"
 197                 need_link_unlink=yes
 198                 AC_DEFINE(PTHREAD_POINTER_ID)
 199                 libdl=
 200                 libgc_threads=pthreads
 201                 with_sigaltstack=no
 202                 use_sigposix=yes
 203                 with_sgen_default_concurrent=yes
 204                 ;;
 205         *-*-linux-android*)
 206                 platform_android=yes
 207                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 208                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 209
 210                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 211                 if test "x$disable_munmap" != "xyes"; then
 212                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 213                 fi
 214                 libmono_cflags="-D_REENTRANT"
 215                 libdl="-ldl"
 216                 libgc_threads=pthreads
 217                 use_sigposix=yes
 218
 219                 with_tls=pthread
 220                 with_sigaltstack=no
 221                 with_static_mono=no
 222
 223                 # Android doesn't support boehm, as it's missing <link.h>
 224                 support_boehm=no
 225                 with_gc=sgen
 226
 227                 # isinf(3) requires -lm; see isinf check below
 228                 LDFLAGS="$LDFLAGS -lm"
 229
 230                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 231                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 232                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 233                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 234                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 235
 236                 # to bypass the underscore linker check, can't work when cross-compiling
 237                 mono_cv_uscore=yes
 238                 mono_cv_clang=no
 239                 ;;
 240         *-*-linux*)
 241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 242                 if test "x$disable_munmap" != "xyes"; then
 243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 244                 fi
 245                 libmono_cflags="-D_REENTRANT"
 246                 libdl="-ldl"
 247                 libgc_threads=pthreads
 248                 use_sigposix=yes
 249                 if test "x$cross_compiling" != "xno"; then
 250                         # to bypass the underscore linker check, not
 251                         # available during cross-compilation
 252                         mono_cv_uscore=no
 253                 fi
 254                 case "$host" in
 255                 aarch64-*)
 256                         support_boehm=no
 257                         with_gc=sgen
 258                         ;;
 259                 powerpc*-*-linux*)
 260                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 261                         disable_munmap=yes
 262                         ;;
 263                 esac
 264                 with_sgen_default_concurrent=yes
 265                 ;;
 266         *-*-nacl*)
 267                 echo "nacl no longer supported."
 268                 exit 1
 269                 ;;
 270         *-*-hpux*)
 271                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 272                 # +ESdbgasm only valid on bundled cc on RISC
 273                 # silently ignored for ia64
 274                 if test $GCC != "yes"; then
 275                         CFLAGS="$CFLAGS +ESdbgasm"
 276                         # Arrange for run-time dereferencing of null
 277                         # pointers to produce a SIGSEGV signal.
 278                         LDFLAGS="$LDFLAGS -z"
 279                 fi
 280                 CFLAGS="$CFLAGS +ESdbgasm"
 281                 LDFLAGS="$LDFLAGS -z"
 282                 libmono_cflags="-D_REENTRANT"
 283                 libmono_ldflags="-lpthread"
 284                 libgc_threads=pthreads
 285                 need_link_unlink=yes
 286                 use_sigposix=yes
 287                 ;;
 288         *-*-solaris*)
 289                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 290                 need_link_unlink=yes
 291                 libmono_cflags="-D_REENTRANT"
 292                 libgc_threads=pthreads
 293                 has_dtrace=yes
 294                 use_sigposix=yes
 295                 enable_solaris_tar_check=yes
 296                 ;;
 297         *-*-darwin*)
 298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 299                 host_darwin=yes
 300                 target_mach=yes
 301                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 302                 libmono_cflags="-D_THREAD_SAFE"
 303                 need_link_unlink=yes
 304                 AC_DEFINE(PTHREAD_POINTER_ID)
 305                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 306                 libdl=
 307                 libgc_threads=pthreads
 308                 has_dtrace=yes
 309                 if test "x$cross_compiling" = "xyes"; then
 310                         has_broken_apple_cpp=yes
 311                 fi
 312                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 313                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 314                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 315                 case "$host" in
 316                         dnl Snow Leopard and newer config.guess reports as this
 317                         i*86-*-darwin*)
 318                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 319                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 320                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 321                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 323                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 324                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 325                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 326                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 327                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 328                                 with_sgen_default_concurrent=yes
 329                                 ;;
 330                         x*64-*-darwin*)
 331                                 with_sgen_default_concurrent=yes
 332                                 ;;
 333                         arm*-darwin*)
 334                                 has_dtrace=no
 335                                 ;;
 336                 esac
 337                 ;;
 338         *-*-haiku*)
 339                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 340                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 341                 libdl=
 342                 LIBS="$LIBS -lnetwork -ltextencoding"
 343                 need_link_unlink=yes
 344                 AC_DEFINE(PTHREAD_POINTER_ID)
 345                 dnl Haiku does not support static TLS with __thread
 346                 with_tls=pthread
 347                 dnl Boehm is too much work to backport Haiku support for
 348                 support_boehm=no
 349                 libgc_threads=pthreads
 350                 use_sigposix=yes
 351                 ;;
 352         *)
 353                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 354                 libdl="-ldl"
 355                 ;;
 356 esac
 357 AC_MSG_RESULT(ok)
 358
 359 if test x$need_link_unlink = xyes; then
 360    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 361 fi
 362
 363 if test x$host_win32 = xyes; then
 364    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 365 fi
 366
 367 if test x$target_win32 = xyes; then
 368    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 369 fi
 370
 371 # Defined for all targets/platforms using classic Windows API support.
 372 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 373 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 374
 375 AC_SUBST(extra_runtime_ldflags)
 376 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 377 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 378 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 379 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 380 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 381 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 382
 383 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 384 PLATFORM_AOT_SUFFIX=.dylib
 385 fi
 386
 387 if test -z "$PLATFORM_LINUX_TRUE"; then :
 388 PLATFORM_AOT_SUFFIX=.so
 389 fi
 390
 391 if test -z "$HOST_WIN32_TRUE"; then :
 392 PLATFORM_AOT_SUFFIX=.dll
 393 fi
 394
 395 AC_SUBST(PLATFORM_AOT_SUFFIX)
 396
 397 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 398
 399 AC_CHECK_TOOL(CC, gcc, gcc)
 400 AC_PROG_CC
 401 AC_CHECK_TOOL(CXX, g++, g++)
 402 AC_PROG_CXX
 403 AM_PROG_AS
 404 AC_PROG_INSTALL
 405 AC_PROG_AWK
 406 AM_PROG_CC_C_O
 407 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 408 : ${CCAS='$(CC)'}
 409 # Set ASFLAGS if not already set.
 410 : ${CCASFLAGS='$(CFLAGS)'}
 411 AC_SUBST(CCAS)
 412 AC_SUBST(CCASFLAGS)
 413
 414 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 415 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 416 if test "x$CXX" = "xg++"; then
 417         if test "x$GXX" != "xyes"; then
 418                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 419                 # are inside automake conditionals
 420                 AC_MSG_ERROR([You need to install g++])
 421         fi
 422 fi
 423
 424 dnl may require a specific autoconf version
 425 dnl AC_PROG_CC_FOR_BUILD
 426 dnl CC_FOR_BUILD not automatically detected
 427 CC_FOR_BUILD=$CC
 428 CFLAGS_FOR_BUILD=$CFLAGS
 429 BUILD_EXEEXT=
 430 if test "x$cross_compiling" = "xyes"; then
 431         CC_FOR_BUILD=cc
 432         CFLAGS_FOR_BUILD=
 433         BUILD_EXEEXT=""
 434 fi
 435 AC_SUBST(CC_FOR_BUILD)
 436 AC_SUBST(CFLAGS_FOR_BUILD)
 437 AC_SUBST(HOST_CC)
 438 AC_SUBST(BUILD_EXEEXT)
 439
 440 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 441 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 442
 443 # Set STDC_HEADERS
 444 AC_HEADER_STDC
 445 AC_LIBTOOL_WIN32_DLL
 446 # This causes monodis to not link correctly
 447 #AC_DISABLE_FAST_INSTALL
 448
 449 #lookup makedev() header
 450 AC_HEADER_MAJOR
 451
 452 AM_PROG_LIBTOOL
 453 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 454 DOLT
 455
 456 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 457 AC_SUBST(export_ldflags)
 458
 459 # Test whenever ld supports -version-script
 460 AC_PROG_LD
 461 AC_PROG_LD_GNU
 462
 463 AM_ICONV()
 464
 465 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)
 466 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)
 467 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 468                   [], [], [#include <stddef.h>
 469                   #include <sys/socket.h>
 470                   #include <linux/socket.h>])
 471
 472 AC_CHECK_HEADERS(sys/user.h, [], [],
 473 [
 474 #ifdef HAVE_SYS_PARAM_H
 475 # include <sys/param.h>
 476 #endif
 477 ])
 478
 479 AC_CHECK_HEADERS(linux/serial.h)
 480
 481 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 482 if test x$have_zlib = xyes; then
 483    AC_TRY_COMPILE([#include <zlib.h>], [
 484    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 485    return 0;
 486    #else
 487    #error No good zlib found
 488    #endif
 489    ],[
 490         AC_MSG_RESULT(Using system zlib)
 491         zlib_msg="system zlib"
 492         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 493    ],[
 494         AC_MSG_RESULT(Using embedded zlib)
 495         have_zlib=no
 496         zlib_msg="bundled zlib"
 497    ])
 498 fi
 499
 500 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 501 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 502
 503 # for mono/metadata/debug-symfile.c
 504 AC_CHECK_HEADERS(elf.h)
 505
 506 # for support
 507 AC_CHECK_HEADERS(poll.h)
 508 AC_CHECK_HEADERS(sys/poll.h)
 509 AC_CHECK_HEADERS(sys/wait.h)
 510 AC_CHECK_HEADERS(grp.h)
 511 AC_CHECK_HEADERS(syslog.h)
 512
 513 # for mono/dis
 514 AC_CHECK_HEADERS(wchar.h)
 515 AC_CHECK_HEADERS(ieeefp.h)
 516 AC_MSG_CHECKING(for isinf)
 517 AC_TRY_LINK([#include <math.h>], [
 518         int f = isinf (1.0);
 519 ], [
 520         AC_MSG_RESULT(yes)
 521         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 522 ], [
 523         # We'll have to use signals
 524         AC_MSG_RESULT(no)
 525 ])
 526 # mingw
 527 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 528         AC_TRY_LINK([#include <math.h>],
 529         [ _finite(0.0); ],
 530         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 531         AC_MSG_RESULT(no)))
 532
 533 # for Linux statfs support
 534 AC_CHECK_HEADERS(linux/magic.h)
 535
 536 # not 64 bit clean in cross-compile
 537 AC_CHECK_SIZEOF(void *, 4)
 538
 539 AC_CACHE_CHECK([for clang],
 540         mono_cv_clang,[
 541         AC_TRY_COMPILE([], [
 542                 #ifdef __clang__
 543                 #else
 544                 #error "FAILED"
 545                 #endif
 546                 return 0;
 547         ],
 548         [mono_cv_clang=yes],
 549         [mono_cv_clang=no],
 550         [])
 551 ])
 552
 553 AC_ARG_ENABLE(visibility-hidden,
 554 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 555    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 556
 557 WARN=''
 558 if test x"$GCC" = xyes; then
 559         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 560
 561                 # We require C99 with some GNU extensions, e.g. `linux` macro
 562                 CFLAGS="$CFLAGS -std=gnu99"
 563
 564                 # The runtime code does not respect ANSI C strict aliasing rules
 565                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 566
 567                 # We rely on signed overflow to behave
 568                 CFLAGS="$CFLAGS -fwrapv"
 569
 570                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 571                 if test x"$disable_visibility_hidden" = xno; then
 572                    # Don't export any symbols by default
 573                    SHARED_CFLAGS="-fvisibility=hidden"
 574                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 575                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 576                 fi
 577
 578                 ORIG_CFLAGS=$CFLAGS
 579                 # Check for the normal version, since gcc ignores unknown -Wno options
 580                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 581                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 582                 AC_TRY_COMPILE([],[
 583                                 return 0;
 584                 ], [
 585                    AC_MSG_RESULT(yes)
 586                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 587                 ], [
 588                    AC_MSG_RESULT(no)
 589                    CFLAGS=$ORIG_CFLAGS
 590                 ])
 591
 592                 if test "x$mono_cv_clang" = "xyes"; then
 593                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 594                    WARN="$WARN -Qunused-arguments"
 595                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 596                    # We rely on zero length arrays in structs
 597                    WARN="$WARN -Wno-zero-length-array"
 598                 fi
 599 else
 600         # The Sun Forte compiler complains about inline functions that access static variables
 601         # so disable all inlining.
 602         case "$host" in
 603         *-*-solaris*)
 604                 CFLAGS="$CFLAGS -Dinline="
 605                 ;;
 606         esac
 607 fi
 608 CFLAGS="$CFLAGS -g $WARN"
 609 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 610 CPPFLAGS="$CPPFLAGS -g $WARN"
 611
 612 # Where's the 'mcs' source tree?
 613 if test -d $srcdir/mcs; then
 614   mcsdir=mcs
 615 else
 616   mcsdir=../mcs
 617 fi
 618
 619 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 620         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 621                 mcsdir=$with_mcs_path
 622         fi
 623 )
 624
 625 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 626
 627 #
 628 # A sanity check to catch cases where the package was unpacked
 629 # with an ancient tar program (Solaris)
 630 #
 631 AC_ARG_ENABLE(solaris-tar-check,
 632 [  --disable-solaris-tar-check    disable solaris tar check],
 633    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 634
 635 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 636         AC_MSG_CHECKING(integrity of package)
 637         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 638         then
 639                 AC_MSG_RESULT(ok)
 640         else
 641                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 642                 AC_MSG_ERROR([$errorm])
 643         fi
 644 fi
 645
 646 if test "x$with_mcs_path" != "x"; then
 647 mcs_topdir=$(cd "$mcsdir" && pwd)
 648 mcs_topdir_from_srcdir=$mcs_topdir
 649 else
 650 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 651 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 652 fi
 653
 654 # Convert mcs_topdir* paths to Windows syntax.
 655 if test x$cross_compiling$host_win32 = xnoyes; then
 656   mcs_topdir=$(cygpath -m $mcs_topdir)
 657   case $mcs_topdir_from_srcdir in
 658     /cygdrive/*)
 659         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 660         ;;
 661   esac
 662 fi
 663
 664 AC_SUBST([mcs_topdir])
 665 AC_SUBST([mcs_topdir_from_srcdir])
 666
 667 # gettext: prepare the translation directories.
 668 # we do not configure the full gettext, as we consume it dynamically from C#
 669 AM_PO_SUBDIRS
 670
 671 if test "x$USE_NLS" = "xyes"; then
 672    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 673
 674    if test "x$HAVE_MSGFMT" = "xno"; then
 675           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 676    fi
 677 fi
 678
 679 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 680
 681 pkg_config_path=
 682 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 683         if test x$with_crosspkgdir = "x"; then
 684                 if test -s $PKG_CONFIG_PATH; then
 685                         pkg_config_path=$PKG_CONFIG_PATH
 686                 fi
 687         else
 688                 pkg_config_path=$with_crosspkgdir
 689                 PKG_CONFIG_PATH=$pkg_config_path
 690                 export PKG_CONFIG_PATH
 691         fi
 692 )
 693
 694 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 695 if test x$werror_flag = xyes; then
 696         WERROR_CFLAGS="-Werror"
 697 fi
 698 AC_SUBST([WERROR_CFLAGS])
 699 AC_SUBST([SHARED_CFLAGS])
 700
 701 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 702 AC_CONFIG_SUBDIRS(eglib)
 703
 704 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 705 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 706
 707 AC_SUBST(GLIB_CFLAGS)
 708 AC_SUBST(GLIB_LIBS)
 709
 710 # Enable support for fast thread-local storage
 711 # Some systems have broken support, so we allow to disable it.
 712 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 713
 714 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 715 # This does not work on some platforms (bug #55253)
 716 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 717
 718 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 719 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 720 # Same as --with-shared_mono=no
 721 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 722
 723 if test "x$enable_static" = "xno"; then
 724    with_static_mono=no
 725 fi
 726
 727 if test "x$enable_shared" = "xno"; then
 728    with_shared_mono=no
 729 fi
 730
 731 if test "x$enable_libraries" = "xno"; then
 732    with_shared_mono=no
 733 fi
 734
 735 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 736
 737 if test "x$host_win32" = "xyes"; then
 738    # Boehm GC requires the runtime to be in its own dll
 739    with_static_mono=no
 740 fi
 741
 742 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 743 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 744 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 745
 746 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 747 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 748         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 749         ORIG_CFLAGS=$CFLAGS
 750         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 751         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 752         AC_TRY_COMPILE([], [
 753                 return 0;
 754         ], [
 755            AC_MSG_RESULT(yes)
 756            # Pass it to libgc as well
 757            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 758         ], [
 759            AC_MSG_RESULT(no)
 760            CFLAGS=$ORIG_CFLAGS
 761         ])
 762 fi
 763
 764 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 765
 766 if test x$enable_small_config = xyes; then
 767         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 768         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 769 fi
 770
 771 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=$enableval, enable_system_aot=default)
 772
 773 DISABLED_FEATURES=none
 774 csc_compiler=default
 775 endian=unknown
 776 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 777 AC_MSG_CHECKING([CSharp compiler to use])
 778 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 779    if test x$withval = xmcs; then
 780        csc_compiler=mcs
 781    elif test x$withval = xroslyn; then
 782        csc_compiler=roslyn
 783    elif test x$withval = xdefault; then
 784        :
 785    else
 786        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 787    fi
 788 ],[csc_compiler=default])
 789
 790 if test $csc_compiler = default; then
 791    if test $endian = big; then
 792       csc_compiler=mcs
 793    elif test $endian = little; then
 794       csc_compiler=roslyn
 795    else
 796       csc_compiler=mcs
 797    fi
 798 fi
 799 AC_MSG_RESULT($csc_compiler)
 800
 801 #
 802 # Set the build profiles and options before things which use them
 803 #
 804
 805 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
 806 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 807 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 808 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
 809 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
 810 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 811 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 812 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
 813 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
 814 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 815 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 816
 817
 818 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 819
 820 dnl
 821 dnl Profile defaults
 822 dnl
 823 TEST_PROFILE=default
 824 enable_llvm_default=no
 825
 826 with_profile4_x_default=no
 827 with_monodroid_default=no
 828 with_monotouch_default=no
 829 with_monotouch_watch_default=no
 830 with_monotouch_tv_default=no
 831 with_xammac_default=no
 832 with_testing_aot_hybrid_default=no
 833 with_testing_aot_full_default=no
 834 with_winaot_default=no
 835 with_orbis_default=no
 836
 837 with_bitcode_default=no
 838 with_cooperative_gc_default=no
 839
 840 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 841
 842 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 843    DISABLE_MCS_DOCS_default=yes
 844 elif test x$with_runtime_preset = xnet_4_x; then
 845    with_profile4_x_default=yes
 846 elif test x$with_runtime_preset = xall; then
 847    with_profile4_x_default=yes
 848    with_monodroid_default=yes
 849    with_monotouch_default=yes
 850    with_monotouch_watch_default=yes
 851    with_monotouch_tv_default=yes
 852    with_xammac_default=yes
 853    with_winaot_default=yes
 854    with_orbis_default=yes
 855 elif test x$with_runtime_preset = xfullaot; then
 856    DISABLE_MCS_DOCS_default=yes
 857    with_testing_aot_full_default=yes
 858    TEST_PROFILE=testing_aot_full
 859
 860    mono_feature_disable_com='yes'
 861    mono_feature_disable_remoting='yes'
 862    mono_feature_disable_reflection_emit_save='yes'
 863    mono_feature_disable_reflection_emit='yes'
 864    mono_feature_disable_appdomains='yes'
 865
 866    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 867
 868    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 869 elif test x$with_runtime_preset = xbitcode; then
 870    DISABLE_MCS_DOCS_default=yes
 871    with_testing_aot_full_default=yes
 872    with_bitcode_default=yes
 873    with_cooperative_gc_default=yes
 874    TEST_PROFILE=testing_aot_full
 875    enable_llvm_default=yes
 876
 877    mono_feature_disable_com='yes'
 878    mono_feature_disable_remoting='yes'
 879    mono_feature_disable_reflection_emit_save='yes'
 880    mono_feature_disable_reflection_emit='yes'
 881    mono_feature_disable_appdomains='yes'
 882
 883    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 884    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
 885 elif test x$with_runtime_preset = xhybridaot; then
 886    DISABLE_MCS_DOCS_default=yes
 887    with_testing_aot_hybrid_default=yes
 888    TEST_PROFILE=testing_aot_hybrid
 889
 890    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
 891    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
 892 elif test x$with_runtime_preset = xaot; then
 893    with_profile4_x_default=yes
 894
 895    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 896    AOT_RUN_FLAGS=""
 897
 898    DISABLE_MCS_DOCS_default=yes
 899 elif test x$with_runtime_preset = xwinaot; then
 900    DISABLE_MCS_DOCS_default=yes
 901    with_winaot_default=yes
 902    TEST_PROFILE=winaot
 903
 904    mono_feature_disable_com='yes'
 905    mono_feature_disable_remoting='yes'
 906    mono_feature_disable_reflection_emit_save='yes'
 907    mono_feature_disable_reflection_emit='yes'
 908    mono_feature_disable_appdomains='yes'
 909
 910    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 911    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 912 elif test x$with_runtime_preset = xorbis; then
 913    DISABLE_MCS_DOCS_default=yes
 914    with_orbis_default=yes
 915    TEST_PROFILE=orbis
 916
 917    mono_feature_disable_com='yes'
 918    mono_feature_disable_remoting='yes'
 919    mono_feature_disable_reflection_emit_save='yes'
 920    mono_feature_disable_reflection_emit='yes'
 921    mono_feature_disable_appdomains='yes'
 922
 923    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 924    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 925 else
 926    with_profile4_x_default=yes
 927 fi
 928
 929 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 930    AC_SUBST(AOT_BUILD_FLAGS)
 931    AC_SUBST(AOT_RUN_FLAGS)
 932    # For llvmonlycheck + fullaotcheck
 933    AC_SUBST(INVARIANT_AOT_OPTIONS)
 934 fi
 935
 936 AC_SUBST(TEST_PROFILE)
 937
 938 if test "x$with_profile4_x" = "xdefault"; then
 939    with_profile4_x=$with_profile4_x_default
 940 fi
 941 if test "x$with_monodroid" = "xdefault"; then
 942    with_monodroid=$with_monodroid_default
 943 fi
 944 if test "x$with_monotouch" = "xdefault"; then
 945    with_monotouch=$with_monotouch_default
 946 fi
 947 if test "x$with_monotouch_watch" = "xdefault"; then
 948    with_monotouch_watch=$with_monotouch_watch_default
 949 fi
 950 if test "x$with_monotouch_tv" = "xdefault"; then
 951    with_monotouch_tv=$with_monotouch_tv_default
 952 fi
 953 if test "x$with_bitcode" = "xdefault"; then
 954    with_bitcode=$with_bitcode_default
 955 fi
 956 if test "x$with_xammac" = "xdefault"; then
 957    with_xammac=$with_xammac_default
 958 fi
 959 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 960    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 961 fi
 962 if test "x$with_testing_aot_full" = "xdefault"; then
 963    with_testing_aot_full=$with_testing_aot_full_default
 964 fi
 965 if test "x$with_winaot" = "xdefault"; then
 966    with_winaot=$with_winaot_default
 967 fi
 968 if test "x$with_orbis" = "xdefault"; then
 969    with_orbis=$with_orbis_default
 970 fi
 971
 972
 973 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 974 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 975 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 976 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 977 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 978 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 979 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 980 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 981 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 982 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 983 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 984 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
 985 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
 986
 987 default_profile=net_4_x
 988 if test -z "$INSTALL_MONODROID_TRUE"; then :
 989    default_profile=monodroid
 990 fi
 991 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 992    default_profile=monotouch
 993 fi
 994 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 995    default_profile=xammac
 996 fi
 997 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 998    default_profile=testing_aot_hybrid
 999 fi
1000 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1001    default_profile=testing_aot_full
1002 fi
1003 if test -z "$INSTALL_WINAOT_TRUE"; then :
1004    default_profile=winaot
1005 fi
1006 if test -z "$INSTALL_ORBIS_TRUE"; then :
1007    default_profile=orbis
1008 fi
1009 if test -z "$INSTALL_4_x_TRUE"; then :
1010    default_profile=net_4_x
1011 fi
1012 DEFAULT_PROFILE=$default_profile
1013 AC_SUBST(DEFAULT_PROFILE)
1014
1015 #
1016 # End build profile configuration
1017 #
1018
1019 if test x$USE_NLS = xprofile_default; then
1020
1021         AC_MSG_CHECKING([NLS used])
1022
1023         # We make the default value for USE_NLS
1024         # "no" on OSX because it isn't available on most
1025         # default OSX installs. The most common configurations will
1026         # all disable it, so this saves us typing.
1027         if test x$host_darwin = xyes; then
1028                 USE_NLS=no;
1029         else
1030                 USE_NLS=yes;
1031         fi
1032
1033         AC_SUBST([USE_NLS])
1034         AC_MSG_RESULT([$USE_NLS])
1035 fi
1036
1037 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1038      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1039      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1040          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1041 [
1042         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1043                 eval "mono_feature_disable_$feature='yes'"
1044         done
1045         DISABLED_FEATURES=$enable_minimal
1046         disabled="Disabled:      $enable_minimal"
1047 ],[])
1048
1049 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1050
1051 if test "x$mono_feature_disable_aot" = "xyes"; then
1052         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1053         enable_system_aot=no
1054         AC_MSG_NOTICE([Disabled AOT compiler])
1055 fi
1056
1057 if test "x$mono_feature_disable_profiler" = "xyes"; then
1058         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1059         AC_MSG_NOTICE([Disabled support for the profiler])
1060 fi
1061 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1062
1063 if test "x$mono_feature_disable_decimal" = "xyes"; then
1064         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1065         AC_MSG_NOTICE([Disabled support for decimal])
1066 fi
1067
1068 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1069         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1070         AC_MSG_NOTICE([Disabled support for P/Invoke])
1071 fi
1072
1073 if test "x$mono_feature_disable_debug" = "xyes"; then
1074         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1075         AC_MSG_NOTICE([Disabled support for runtime debugging])
1076 fi
1077
1078 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1079         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1080         mono_feature_disable_reflection_emit_save=yes
1081         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1082 fi
1083
1084 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1085         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1086         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1087 fi
1088
1089 if test "x$mono_feature_disable_large_code" = "xyes"; then
1090         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1091         AC_MSG_NOTICE([Disabled support for large assemblies])
1092 fi
1093
1094 if test "x$mono_feature_disable_logging" = "xyes"; then
1095         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1096         AC_MSG_NOTICE([Disabled support for logging])
1097 fi
1098
1099 if test "x$mono_feature_disable_com" = "xyes"; then
1100         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1101         AC_MSG_NOTICE([Disabled COM support])
1102 fi
1103
1104 if test "x$mono_feature_disable_ssa" = "xyes"; then
1105         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1106         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1107 fi
1108
1109 if test "x$mono_feature_disable_generics" = "xyes"; then
1110         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1111         AC_MSG_NOTICE([Disabled Generics Support])
1112 fi
1113
1114 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1115         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1116         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1117 fi
1118
1119 if test "x$mono_feature_disable_portability" = "xyes"; then
1120         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1121         AC_MSG_NOTICE([Disabled IO Portability layer])
1122 fi
1123
1124 if test "x$mono_feature_disable_attach" = "xyes"; then
1125         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1126         AC_MSG_NOTICE([Disabled agent attach])
1127 fi
1128
1129 if test "x$mono_feature_disable_verifier" = "xyes"; then
1130         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1131         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1132 fi
1133
1134 if test "x$mono_feature_disable_jit" = "xyes"; then
1135         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1136         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1137 fi
1138
1139 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1140
1141 if test "x$mono_feature_disable_simd" = "xyes"; then
1142         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1143         AC_MSG_NOTICE([Disabled SIMD support])
1144 fi
1145
1146 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1147         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1148         AC_MSG_NOTICE([Disabled Soft Debugger.])
1149 fi
1150
1151 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1152         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1153         AC_MSG_NOTICE([Disabled Performance Counters.])
1154 fi
1155 if test "x$mono_feature_disable_normalization" = "xyes"; then
1156         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1157         AC_MSG_NOTICE([Disabled String normalization support.])
1158 fi
1159
1160 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1161 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1162         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1163         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1164 fi
1165
1166 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1167         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1168         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1169 fi
1170
1171 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1172         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1173         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1174 fi
1175
1176 if test "x$mono_feature_disable_remoting" = "xyes"; then
1177         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1178         AC_MSG_NOTICE([Disabled remoting])
1179 fi
1180
1181 if test "x$mono_feature_disable_security" = "xyes"; then
1182         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1183         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1184 fi
1185
1186 if test "x$mono_feature_disable_lldb" = "xyes"; then
1187         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1188         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1189 fi
1190
1191 if test "x$mono_feature_disable_mdb" = "xyes"; then
1192         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1193         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1194 fi
1195
1196 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1197         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1198         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1199 fi
1200
1201 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1202         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1203         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1204 fi
1205
1206 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1207         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1208         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1209 fi
1210
1211 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1212         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1213         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1214 fi
1215
1216 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1217         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1218         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1219 fi
1220
1221 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1222 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1223
1224 has_extension_module=no
1225 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1226 [
1227         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1228                 if test x$extension = xdefault ; then
1229                         has_extension_module=yes;
1230                 fi
1231         done
1232         if test x$enable_extension_module = xyes; then
1233                 has_extension_module=yes;
1234         fi
1235 ], [])
1236
1237 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1238
1239 if test x$has_extension_module != xno ; then
1240         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1241         AC_MSG_NOTICE([Enabling mono extension module.])
1242 fi
1243
1244 # Deprecated
1245 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1246
1247 AC_MSG_CHECKING(for visibility __attribute__)
1248 AC_COMPILE_IFELSE([
1249         AC_LANG_SOURCE([[
1250                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1251                 int main () { doit (); return 0; }
1252         ]])
1253 ], [
1254    have_visibility_hidden=yes
1255    AC_MSG_RESULT(yes)
1256 ], [
1257    have_visibility_hidden=no
1258    AC_MSG_RESULT(no)
1259 ])
1260
1261 dnl
1262 dnl Boehm GC configuration
1263 dnl
1264
1265 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1266
1267 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1268 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1269
1270 if test "x$support_boehm" = "xyes"; then
1271
1272         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1273         if test x$enable_parallel_mark = xyes; then
1274                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1275         fi
1276
1277         gc_msg=""
1278         LIBGC_CPPFLAGS=
1279         LIBGC_LIBS=
1280         LIBGC_STATIC_LIBS=
1281         libgc_dir=
1282         case "x$libgc" in
1283                 xincluded)
1284                         if test "x$support_boehm" = "xyes"; then
1285                                 libgc_dir=libgc
1286                         fi
1287
1288                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1289                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1290                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1291
1292                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1293
1294                         if test x$target_win32 = xyes; then
1295                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1296                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1297                         fi
1298
1299                         gc_msg="Included Boehm GC with typed GC"
1300                         if test x$enable_parallel_mark = xyes; then
1301                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1302                                 gc_msg="$gc_msg and parallel mark"
1303                         else
1304                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1305                         fi
1306                         ;;
1307
1308                 xboehm|xbohem|xyes)
1309                         AC_MSG_WARN("External Boehm is no longer supported")
1310                         ;;
1311
1312                 xsgen)
1313                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1314                         ;;
1315
1316                 xnone)
1317                         AC_MSG_WARN("Compiling mono without GC.")
1318                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1319                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1320                         gc_msg="none"
1321                         ;;
1322                 *)
1323                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1324                         ;;
1325         esac
1326
1327         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1328         if test "x$large_heap" = "xyes"; then
1329            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1330         fi
1331
1332         AC_SUBST(LIBGC_CPPFLAGS)
1333         AC_SUBST(LIBGC_LIBS)
1334         AC_SUBST(LIBGC_STATIC_LIBS)
1335         AC_SUBST(libgc_dir)
1336         AC_SUBST(BOEHM_DEFINES)
1337
1338 fi
1339 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1340
1341 dnl
1342 dnl End of Boehm GC Configuration
1343 dnl
1344
1345 dnl *************************************
1346 dnl *** Checks for zero length arrays ***
1347 dnl *************************************
1348 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1349 AC_TRY_COMPILE([
1350         struct s {
1351                 int  length;
1352                 char data [0];
1353         };
1354 ], [], [
1355         AC_MSG_RESULT(yes)
1356         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1357 ], [
1358         AC_MSG_RESULT(no)
1359         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1360 ])
1361
1362 dnl ***********************************
1363 dnl *** Checks for signals
1364 dnl ***********************************
1365 AC_CHECK_HEADERS(signal.h)
1366 AC_CHECK_FUNCS(sigaction)
1367 AC_CHECK_FUNCS(kill)
1368 AC_CHECK_FUNCS(signal)
1369
1370 # signal() is declared inline in Android headers
1371 # so we need to workaround it by overriding the check.
1372 if test x$platform_android = xyes; then
1373         AC_DEFINE(HAVE_SIGNAL,1)
1374 fi
1375
1376 if test x$host_win32 = xno; then
1377
1378         dnl hires monotonic clock support
1379         AC_SEARCH_LIBS(clock_gettime, rt)
1380         AC_CHECK_FUNCS(clock_nanosleep)
1381
1382         dnl dynamic loader support
1383         AC_CHECK_FUNC(dlopen, DL_LIB="",
1384                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1385         )
1386         if test x$dl_support = xno; then
1387                 AC_MSG_WARN([No dynamic loading support available])
1388         else
1389                 LIBS="$LIBS $DL_LIB"
1390                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1391                 dnl from glib's configure.ac
1392                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1393                         mono_cv_uscore,[
1394                         AC_TRY_RUN([#include <dlfcn.h>
1395                         int mono_underscore_test (void) { return 42; }
1396                         int main() {
1397                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1398                           handle = dlopen ((void*)0, 0);
1399                           if (handle) {
1400                             f1 = dlsym (handle, "mono_underscore_test");
1401                             f2 = dlsym (handle, "_mono_underscore_test");
1402                           } return (!f2 || f1);
1403                         }],
1404                                 [mono_cv_uscore=yes],
1405                                 [mono_cv_uscore=no],
1406                         [])
1407                 ])
1408                 if test "x$mono_cv_uscore" = "xyes"; then
1409                         MONO_DL_NEED_USCORE=1
1410                 else
1411                         MONO_DL_NEED_USCORE=0
1412                 fi
1413                 AC_SUBST(MONO_DL_NEED_USCORE)
1414                 AC_CHECK_FUNC(dlerror)
1415         fi
1416
1417         dnl ******************************************************************
1418         dnl *** Checks for the IKVM JNI interface library                  ***
1419         dnl ******************************************************************
1420         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])
1421
1422         ikvm_native_dir=
1423         if test x$with_ikvm_native = xyes; then
1424                 ikvm_native_dir=ikvm-native
1425                 jdk_headers_found="IKVM Native"
1426         fi
1427
1428         AC_SUBST(ikvm_native_dir)
1429
1430         AC_CHECK_HEADERS(execinfo.h)
1431
1432         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1433
1434         AC_CHECK_FUNCS(getgrgid_r)
1435         AC_CHECK_FUNCS(getgrnam_r)
1436         AC_CHECK_FUNCS(getresuid)
1437         AC_CHECK_FUNCS(setresuid)
1438         AC_CHECK_FUNCS(kqueue)
1439         AC_CHECK_FUNCS(backtrace_symbols)
1440         AC_CHECK_FUNCS(mkstemp)
1441         AC_CHECK_FUNCS(mmap)
1442         AC_CHECK_FUNCS(madvise)
1443         AC_CHECK_FUNCS(getrusage)
1444         AC_CHECK_FUNCS(getpriority)
1445         AC_CHECK_FUNCS(setpriority)
1446         AC_CHECK_FUNCS(dl_iterate_phdr)
1447         AC_CHECK_FUNCS(dladdr)
1448         AC_CHECK_FUNCS(sysconf)
1449         AC_CHECK_FUNCS(getrlimit)
1450         AC_CHECK_FUNCS(prctl)
1451
1452         AC_CHECK_FUNCS(sched_getaffinity)
1453         AC_CHECK_FUNCS(sched_setaffinity)
1454         AC_CHECK_FUNCS(sched_getcpu)
1455
1456         if test x$platform_android != xyes; then
1457                 AC_CHECK_FUNCS(getpwnam_r)
1458                 AC_CHECK_FUNCS(getpwuid_r)
1459         fi
1460
1461         dnl ****************************************************************
1462         dnl *** Check for sched_setaffinity from glibc versions before   ***
1463         dnl *** 2.3.4. The older versions of the function only take 2    ***
1464         dnl *** parameters, not 3.                                       ***
1465         dnl ***                                                          ***
1466         dnl *** Because the interface change was not made in a minor     ***
1467         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1468         dnl *** won't always indicate the interface sched_affinity has.  ***
1469         dnl ****************************************************************
1470         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1471         AC_TRY_COMPILE([#include <sched.h>], [
1472             int mask = 1;
1473             sched_setaffinity(0, &mask);
1474                         return 0;
1475         ], [
1476                 # Yes, we have it...
1477                 AC_MSG_RESULT(yes)
1478                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1479         ], [
1480                 # We have the new, three-parameter version
1481                 AC_MSG_RESULT(no)
1482         ])
1483         AC_TRY_COMPILE([#include <sched.h>], [
1484              CPU_COUNT((void *) 0);
1485         ], [
1486                 AC_MSG_RESULT(yes)
1487                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1488         ], [
1489                 # We have the new, three-parameter version
1490                 AC_MSG_RESULT(no)
1491         ])
1492
1493         dnl ******************************************************************
1494         dnl *** Check for large file support                               ***
1495         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1496         dnl ******************************************************************
1497
1498         # Check that off_t can represent 2**63 - 1 correctly, working around
1499         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1500         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1501         large_offt=no
1502         AC_DEFUN([LARGE_FILES], [
1503                 large_CPPFLAGS=$CPPFLAGS
1504                 CPPFLAGS="$CPPFLAGS $1"
1505                 AC_TRY_COMPILE([
1506                         #include <sys/types.h>
1507                         #include <limits.h>
1508                 ], [
1509                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1510                         #define COMPILE_TIME_ASSERT(pred) \
1511                                 switch(0){case 0:case pred:;}
1512                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1513                 ], [
1514                         AC_MSG_RESULT(ok)
1515                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1516                         large_CPPFLAGS="$large_CPPFLAGS $1"
1517                         large_offt=yes
1518                 ], [
1519                         AC_MSG_RESULT(no)
1520                 ])
1521                 CPPFLAGS=$large_CPPFLAGS
1522         ])
1523
1524         AC_MSG_CHECKING(if off_t is 64 bits wide)
1525         LARGE_FILES("")
1526         if test $large_offt = no; then
1527                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1528                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1529         fi
1530         if test $large_offt = no; then
1531                 AC_MSG_WARN([No 64 bit file size support available])
1532         fi
1533
1534         dnl *****************************
1535         dnl *** Checks for libsocket  ***
1536         dnl *****************************
1537         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1538
1539         case "$host" in
1540                 *-*-*freebsd*)
1541                         dnl *****************************
1542                         dnl *** Checks for libinotify ***
1543                         dnl *****************************
1544                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1545         esac
1546
1547         dnl *******************************
1548         dnl *** Checks for MSG_NOSIGNAL ***
1549         dnl *******************************
1550         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1551         AC_TRY_COMPILE([#include <sys/socket.h>], [
1552                 int f = MSG_NOSIGNAL;
1553         ], [
1554                 # Yes, we have it...
1555                 AC_MSG_RESULT(yes)
1556                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1557         ], [
1558                 # We'll have to use signals
1559                 AC_MSG_RESULT(no)
1560         ])
1561
1562         dnl *****************************
1563         dnl *** Checks for IPPROTO_IP ***
1564         dnl *****************************
1565         AC_MSG_CHECKING(for IPPROTO_IP)
1566         AC_TRY_COMPILE([#include <netinet/in.h>], [
1567                 int level = IPPROTO_IP;
1568         ], [
1569                 # Yes, we have it...
1570                 AC_MSG_RESULT(yes)
1571                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1572         ], [
1573                 # We'll have to use getprotobyname
1574                 AC_MSG_RESULT(no)
1575         ])
1576
1577         dnl *******************************
1578         dnl *** Checks for IPPROTO_IPV6 ***
1579         dnl *******************************
1580         AC_MSG_CHECKING(for IPPROTO_IPV6)
1581         AC_TRY_COMPILE([#include <netinet/in.h>], [
1582                 int level = IPPROTO_IPV6;
1583         ], [
1584                 # Yes, we have it...
1585                 AC_MSG_RESULT(yes)
1586                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1587         ], [
1588                 # We'll have to use getprotobyname
1589                 AC_MSG_RESULT(no)
1590         ])
1591
1592         dnl ******************************
1593         dnl *** Checks for IPPROTO_TCP ***
1594         dnl ******************************
1595         AC_MSG_CHECKING(for IPPROTO_TCP)
1596         AC_TRY_COMPILE([#include <netinet/in.h>], [
1597                 int level = IPPROTO_TCP;
1598         ], [
1599                 # Yes, we have it...
1600                 AC_MSG_RESULT(yes)
1601                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1602         ], [
1603                 # We'll have to use getprotobyname
1604                 AC_MSG_RESULT(no)
1605         ])
1606
1607         dnl *****************************
1608         dnl *** Checks for SOL_IP     ***
1609         dnl *****************************
1610         AC_MSG_CHECKING(for SOL_IP)
1611         AC_TRY_COMPILE([#include <netdb.h>], [
1612                 int level = SOL_IP;
1613         ], [
1614                 # Yes, we have it...
1615                 AC_MSG_RESULT(yes)
1616                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1617         ], [
1618                 # We'll have to use getprotobyname
1619                 AC_MSG_RESULT(no)
1620         ])
1621
1622         dnl *****************************
1623         dnl *** Checks for SOL_IPV6     ***
1624         dnl *****************************
1625         AC_MSG_CHECKING(for SOL_IPV6)
1626         AC_TRY_COMPILE([#include <netdb.h>], [
1627                 int level = SOL_IPV6;
1628         ], [
1629                 # Yes, we have it...
1630                 AC_MSG_RESULT(yes)
1631                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1632         ], [
1633                 # We'll have to use getprotobyname
1634                 AC_MSG_RESULT(no)
1635         ])
1636
1637         dnl *****************************
1638         dnl *** Checks for SOL_TCP    ***
1639         dnl *****************************
1640         AC_MSG_CHECKING(for SOL_TCP)
1641         AC_TRY_COMPILE([#include <netdb.h>], [
1642                 int level = SOL_TCP;
1643         ], [
1644                 # Yes, we have it...
1645                 AC_MSG_RESULT(yes)
1646                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1647         ], [
1648                 # We'll have to use getprotobyname
1649                 AC_MSG_RESULT(no)
1650         ])
1651
1652         dnl *****************************
1653         dnl *** Checks for IP_PKTINFO ***
1654         dnl *****************************
1655         AC_MSG_CHECKING(for IP_PKTINFO)
1656         AC_TRY_COMPILE([#include <linux/in.h>], [
1657                 int level = IP_PKTINFO;
1658         ], [
1659                 # Yes, we have it...
1660                 AC_MSG_RESULT(yes)
1661                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1662         ], [
1663                 AC_MSG_RESULT(no)
1664         ])
1665
1666         dnl *****************************
1667         dnl *** Checks for IPV6_PKTINFO ***
1668         dnl *****************************
1669         AC_MSG_CHECKING(for IPV6_PKTINFO)
1670         AC_TRY_COMPILE([#include <netdb.h>], [
1671                 int level = IPV6_PKTINFO;
1672         ], [
1673                 # Yes, we have it...
1674                 AC_MSG_RESULT(yes)
1675                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1676         ], [
1677                 AC_MSG_RESULT(no)
1678         ])
1679
1680         dnl **********************************
1681         dnl *** Checks for IP_DONTFRAG     ***
1682         dnl **********************************
1683         AC_MSG_CHECKING(for IP_DONTFRAG)
1684         AC_TRY_COMPILE([#include <netinet/in.h>], [
1685                 int level = IP_DONTFRAG;
1686         ], [
1687                 # Yes, we have it...
1688                 AC_MSG_RESULT(yes)
1689                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1690         ], [
1691                 AC_MSG_RESULT(no)
1692         ])
1693
1694         dnl **********************************
1695         dnl *** Checks for IP_DONTFRAGMENT ***
1696         dnl **********************************
1697         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1698         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1699                 int level = IP_DONTFRAGMENT;
1700         ], [
1701                 # Yes, we have it...
1702                 AC_MSG_RESULT(yes)
1703                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1704         ], [
1705                 AC_MSG_RESULT(no)
1706         ])
1707
1708         dnl **********************************
1709         dnl *** Checks for IP_MTU_DISCOVER ***
1710         dnl **********************************
1711         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1712         AC_TRY_COMPILE([#include <linux/in.h>], [
1713                 int level = IP_MTU_DISCOVER;
1714         ], [
1715                 # Yes, we have it...
1716                 AC_MSG_RESULT(yes)
1717                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1718         ], [
1719                 AC_MSG_RESULT(no)
1720         ])
1721
1722         dnl **********************************
1723         dnl *** Checks for  IP_PMTUDISC_DO ***
1724         dnl **********************************
1725         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1726         AC_TRY_COMPILE([#include <linux/in.h>], [
1727                 int level = IP_PMTUDISC_DO;
1728         ], [
1729                 # Yes, we have it...
1730                 AC_MSG_RESULT(yes)
1731                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1732         ], [
1733                 AC_MSG_RESULT(no)
1734         ])
1735
1736         dnl *********************************
1737         dnl *** Check for struct ip_mreqn ***
1738         dnl *********************************
1739         AC_MSG_CHECKING(for struct ip_mreqn)
1740         AC_TRY_COMPILE([#include <netinet/in.h>], [
1741                 struct ip_mreqn mreq;
1742                 mreq.imr_address.s_addr = 0;
1743         ], [
1744                 # Yes, we have it...
1745                 AC_MSG_RESULT(yes)
1746                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1747         ], [
1748                 # We'll just have to try and use struct ip_mreq
1749                 AC_MSG_RESULT(no)
1750                 AC_MSG_CHECKING(for struct ip_mreq)
1751                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1752                         struct ip_mreq mreq;
1753                         mreq.imr_interface.s_addr = 0;
1754                 ], [
1755                         # Yes, we have it...
1756                         AC_MSG_RESULT(yes)
1757                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1758                 ], [
1759                         # No multicast support
1760                         AC_MSG_RESULT(no)
1761                 ])
1762         ])
1763
1764         dnl **********************************
1765         dnl *** Check for getaddrinfo ***
1766         dnl **********************************
1767         AC_MSG_CHECKING(for getaddrinfo)
1768                 AC_TRY_LINK([
1769                 #include <stdio.h>
1770                 #include <netdb.h>
1771         ], [
1772                 getaddrinfo(NULL,NULL,NULL,NULL);
1773         ], [
1774                 # Yes, we have it...
1775                 AC_MSG_RESULT(yes)
1776                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1777         ], [
1778                 AC_MSG_RESULT(no)
1779         ])
1780
1781         dnl **********************************
1782         dnl *** Check for gethostbyname2_r ***
1783         dnl **********************************
1784         AC_MSG_CHECKING(for gethostbyname2_r)
1785                 AC_TRY_LINK([
1786                 #include <stdio.h>
1787                 #include <netdb.h>
1788         ], [
1789
1790                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1791         ], [
1792                 # Yes, we have it...
1793                 AC_MSG_RESULT(yes)
1794                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1795         ], [
1796                 AC_MSG_RESULT(no)
1797         ])
1798
1799         dnl **********************************
1800         dnl *** Check for gethostbyname2 ***
1801         dnl **********************************
1802         AC_MSG_CHECKING(for gethostbyname2)
1803                 AC_TRY_LINK([
1804                 #include <stdio.h>
1805                 #include <netdb.h>
1806         ], [
1807                 gethostbyname2(NULL,0);
1808         ], [
1809                 # Yes, we have it...
1810                 AC_MSG_RESULT(yes)
1811                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1812         ], [
1813                 AC_MSG_RESULT(no)
1814         ])
1815
1816         dnl **********************************
1817         dnl *** Check for gethostbyname ***
1818         dnl **********************************
1819         AC_MSG_CHECKING(for gethostbyname)
1820                 AC_TRY_LINK([
1821                 #include <stdio.h>
1822                 #include <netdb.h>
1823         ], [
1824                 gethostbyname(NULL);
1825         ], [
1826                 # Yes, we have it...
1827                 AC_MSG_RESULT(yes)
1828                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1829         ], [
1830                 AC_MSG_RESULT(no)
1831         ])
1832
1833         dnl **********************************
1834         dnl *** Check for getprotobyname ***
1835         dnl **********************************
1836         AC_MSG_CHECKING(for getprotobyname)
1837                 AC_TRY_LINK([
1838                 #include <stdio.h>
1839                 #include <netdb.h>
1840         ], [
1841                 getprotobyname(NULL);
1842         ], [
1843                 # Yes, we have it...
1844                 AC_MSG_RESULT(yes)
1845                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1846         ], [
1847                 AC_MSG_RESULT(no)
1848         ])
1849
1850         dnl **********************************
1851         dnl *** Check for getnameinfo ***
1852         dnl **********************************
1853         AC_MSG_CHECKING(for getnameinfo)
1854                 AC_TRY_LINK([
1855                 #include <stdio.h>
1856                 #include <netdb.h>
1857         ], [
1858                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1859         ], [
1860                 # Yes, we have it...
1861                 AC_MSG_RESULT(yes)
1862                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1863         ], [
1864                 AC_MSG_RESULT(no)
1865         ])
1866
1867
1868         dnl **********************************
1869         dnl *** Check for inet_ntop ***
1870         dnl **********************************
1871         AC_MSG_CHECKING(for inet_ntop)
1872                 AC_TRY_LINK([
1873                 #include <stdio.h>
1874                 #include <arpa/inet.h>
1875         ], [
1876                 inet_ntop (0, NULL, NULL, 0);
1877         ], [
1878                 # Yes, we have it...
1879                 AC_MSG_RESULT(yes)
1880                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1881         ], [
1882                 AC_MSG_RESULT(no)
1883         ])
1884
1885         dnl *****************************
1886         dnl *** Checks for libnsl     ***
1887         dnl *****************************
1888         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1889
1890         AC_CHECK_FUNCS(inet_pton inet_aton)
1891
1892         dnl *****************************
1893         dnl *** Checks for libxnet    ***
1894         dnl *****************************
1895         case "${host}" in
1896                 *solaris* )
1897                         AC_MSG_CHECKING(for Solaris XPG4 support)
1898                         if test -f /usr/lib/libxnet.so; then
1899                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1900                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1901                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1902                                 LIBS="$LIBS -lxnet"
1903                                 AC_MSG_RESULT(yes)
1904                         else
1905                                 AC_MSG_RESULT(no)
1906                         fi
1907
1908                         if test "$GCC" = "yes"; then
1909                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1910                         fi
1911                 ;;
1912         esac
1913
1914         dnl *****************************
1915         dnl *** Checks for libpthread ***
1916         dnl *****************************
1917 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1918 # and libpthread does not exist
1919 #
1920         case "${host}" in
1921                 *-*-*haiku*)
1922                         dnl Haiku has pthread in libroot (libc equiv)
1923                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1924                 ;;
1925                 *-*-*freebsd*)
1926                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1927                 ;;
1928                 *-*-*openbsd*)
1929                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1930                 ;;
1931                 *)
1932                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1933                 ;;
1934         esac
1935         AC_CHECK_HEADERS(pthread.h)
1936         AC_CHECK_HEADERS(pthread_np.h)
1937         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1938         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1939         AC_CHECK_FUNCS(pthread_kill)
1940         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1941         AC_TRY_COMPILE([ #include <pthread.h>], [
1942                 pthread_mutexattr_t attr;
1943                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1944         ], [
1945                 AC_MSG_RESULT(ok)
1946         ], [
1947                 AC_MSG_RESULT(no)
1948                 AC_ERROR(Posix system lacks support for recursive mutexes)
1949         ])
1950         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1951         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1952         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1953
1954         dnl **********************************
1955         dnl *** Check for mincore ***
1956         dnl **********************************
1957         AC_MSG_CHECKING(for mincore)
1958                 AC_TRY_LINK([
1959                 #include <stdio.h>
1960                 #include <sys/types.h>
1961                 #include <sys/mman.h>
1962         ], [
1963                 mincore(NULL, 0, NULL);
1964         ], [
1965                 # Yes, we have it...
1966                 AC_MSG_RESULT(yes)
1967                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1968         ], [
1969                 AC_MSG_RESULT(no)
1970         ])
1971
1972         dnl ***********************************
1973         dnl *** Checks for working __thread ***
1974         dnl ***********************************
1975         AC_MSG_CHECKING(for working __thread)
1976         if test "x$with_tls" != "x__thread"; then
1977                 AC_MSG_RESULT(disabled)
1978         elif test "x$cross_compiling" = "xyes"; then
1979                 AC_MSG_RESULT(cross compiling, assuming yes)
1980         else
1981                 AC_TRY_RUN([
1982                         #if defined(__APPLE__) && defined(__clang__)
1983                         #error "__thread does not currently work with clang on Mac OS X"
1984                         #endif
1985
1986                         #include <pthread.h>
1987                         __thread int i;
1988                         static int res1, res2;
1989
1990                         void thread_main (void *arg)
1991                         {
1992                                 i = arg;
1993                                 sleep (1);
1994                                 if (arg == 1)
1995                                         res1 = (i == arg);
1996                                 else
1997                                         res2 = (i == arg);
1998                         }
1999
2000                         int main () {
2001                                 pthread_t t1, t2;
2002
2003                                 i = 5;
2004
2005                                 pthread_create (&t1, NULL, thread_main, 1);
2006                                 pthread_create (&t2, NULL, thread_main, 2);
2007
2008                                 pthread_join (t1, NULL);
2009                                 pthread_join (t2, NULL);
2010
2011                                 return !(res1 + res2 == 2);
2012                         }
2013                 ], [
2014                                 AC_MSG_RESULT(yes)
2015                 ], [
2016                                 AC_MSG_RESULT(no)
2017                                 with_tls=pthread
2018                 ])
2019         fi
2020
2021         dnl **************************************
2022         dnl *** Checks for working sigaltstack ***
2023         dnl **************************************
2024         AC_MSG_CHECKING(for working sigaltstack)
2025         if test "x$with_sigaltstack" != "xyes"; then
2026                 AC_MSG_RESULT(disabled)
2027         elif test "x$cross_compiling" = "xyes"; then
2028                 AC_MSG_RESULT(cross compiling, assuming yes)
2029         else
2030                 AC_TRY_RUN([
2031                         #include <stdio.h>
2032                         #include <stdlib.h>
2033                         #include <unistd.h>
2034                         #include <signal.h>
2035                         #include <pthread.h>
2036                         #include <sys/wait.h>
2037                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2038                         #define SA_STACK SA_ONSTACK
2039                         #endif
2040                         static void
2041                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2042                         {
2043                                 exit (0);
2044                         }
2045
2046                         volatile char*__ptr = NULL;
2047                         static void *
2048                         loop (void *ignored)
2049                         {
2050                                 *__ptr = 0;
2051                                 return NULL;
2052                         }
2053
2054                         static void
2055                         child ()
2056                         {
2057                                 struct sigaction sa;
2058                         #ifdef __APPLE__
2059                                 stack_t sas;
2060                         #else
2061                                 struct sigaltstack sas;
2062                         #endif
2063                                 pthread_t id;
2064                                 pthread_attr_t attr;
2065
2066                                 sa.sa_sigaction = sigsegv_signal_handler;
2067                                 sigemptyset (&sa.sa_mask);
2068                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2069                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2070                                         perror ("sigaction");
2071                                         return;
2072                                 }
2073
2074                                 /* x86 darwin deliver segfaults using SIGBUS */
2075                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2076                                         perror ("sigaction");
2077                                         return;
2078                                 }
2079                                 sas.ss_sp = malloc (SIGSTKSZ);
2080                                 sas.ss_size = SIGSTKSZ;
2081                                 sas.ss_flags = 0;
2082                                 if (sigaltstack (&sas, NULL) == -1) {
2083                                         perror ("sigaltstack");
2084                                         return;
2085                                 }
2086
2087                                 pthread_attr_init (&attr);
2088                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2089                                         printf ("pthread_create\n");
2090                                         return;
2091                                 }
2092
2093                                 sleep (100);
2094                         }
2095
2096                         int
2097                         main ()
2098                         {
2099                                 pid_t son;
2100                                 int status;
2101                                 int i;
2102
2103                                 son = fork ();
2104                                 if (son == -1) {
2105                                         return 1;
2106                                 }
2107
2108                                 if (son == 0) {
2109                                         child ();
2110                                         return 0;
2111                                 }
2112
2113                                 for (i = 0; i < 300; ++i) {
2114                                         waitpid (son, &status, WNOHANG);
2115                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2116                                                 return 0;
2117                                         usleep (10000);
2118                                 }
2119
2120                                 kill (son, SIGKILL);
2121                                 return 1;
2122                         }
2123
2124                 ], [
2125                                 AC_MSG_RESULT(yes)
2126                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2127                 ], [
2128                                 with_sigaltstack=no
2129                                 AC_MSG_RESULT(no)
2130                 ])
2131         fi
2132
2133         dnl ********************************
2134         dnl *** Checks for semaphore lib ***
2135         dnl ********************************
2136         # 'Real Time' functions on Solaris
2137         # posix4 on Solaris 2.6
2138         # pthread (first!) on Linux
2139         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2140
2141         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2142         AC_CHECK_FUNCS(shm_open)
2143
2144         dnl ********************************
2145         dnl *** Checks for timezone stuff **
2146         dnl ********************************
2147         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2148                 AC_TRY_COMPILE([
2149                         #include <time.h>
2150                         ], [
2151                         struct tm tm;
2152                         tm.tm_gmtoff = 1;
2153                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2154         if test $ac_cv_struct_tm_gmtoff = yes; then
2155                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2156         else
2157                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2158                         AC_TRY_COMPILE([
2159                                 #include <time.h>
2160                         ], [
2161                                 timezone = 1;
2162                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2163                 if test $ac_cv_var_timezone = yes; then
2164                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2165                 else
2166                         AC_ERROR(unable to find a way to determine timezone)
2167                 fi
2168         fi
2169
2170         dnl *********************************
2171         dnl *** Checks for math functions ***
2172         dnl *********************************
2173         AC_SEARCH_LIBS(sqrtf, m)
2174         if test "x$has_broken_apple_cpp" != "xyes"; then
2175                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2176                         AC_TRY_LINK([#include <math.h>],
2177                         [ finite(0.0); ],
2178                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2179                         AC_MSG_RESULT(no)))
2180         fi
2181         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2182                 AC_TRY_LINK([#include <math.h>],
2183                 [ isfinite(0.0); ],
2184                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2185                 AC_MSG_RESULT(no)))
2186
2187         dnl ****************************************************************
2188         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2189         dnl *** have it in the library (duh))                            ***
2190         dnl ****************************************************************
2191         AC_CHECK_FUNCS(poll)
2192
2193         dnl *************************
2194         dnl *** Check for signbit ***
2195         dnl *************************
2196         AC_MSG_CHECKING(for signbit)
2197         AC_TRY_LINK([#include <math.h>], [
2198                 int s = signbit(1.0);
2199         ], [
2200                 AC_MSG_RESULT(yes)
2201                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2202         ], [
2203                 AC_MSG_RESULT(no)
2204         ])
2205
2206         dnl **********************************
2207         dnl *** epoll                      ***
2208         dnl **********************************
2209         AC_CHECK_HEADERS(sys/epoll.h)
2210         haveepoll=no
2211         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2212         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2213                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2214         fi
2215
2216         havekqueue=no
2217
2218         AC_CHECK_HEADERS(sys/event.h)
2219         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2220
2221         dnl **************************************
2222         dnl * Darwin has a race that prevents us from using reliably:
2223         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2224         dnl * Since kqueue is mostly used for scaling large web servers,
2225         dnl * and very few folks run Mono on large web servers on OSX, falling
2226         dnl * back
2227         dnl **************************************
2228         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2229                 if test "x$host_darwin" = "xno"; then
2230                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2231                 fi
2232         fi
2233
2234         dnl ******************************
2235         dnl *** Checks for SIOCGIFCONF ***
2236         dnl ******************************
2237         AC_CHECK_HEADERS(sys/ioctl.h)
2238         AC_CHECK_HEADERS(net/if.h, [], [],
2239            [
2240            #ifdef HAVE_SYS_TYPES_H
2241            # include <sys/types.h>
2242            #endif
2243            #ifdef HAVE_SYS_SOCKET_H
2244            # include <sys/socket.h>
2245            #endif
2246            ])
2247         AC_MSG_CHECKING(for ifreq)
2248         AC_TRY_COMPILE([
2249                 #include <stdio.h>
2250                 #include <sys/ioctl.h>
2251                 #include <net/if.h>
2252                 ], [
2253                 struct ifconf ifc;
2254                 struct ifreq *ifr;
2255                 void *x;
2256                 ifc.ifc_len = 0;
2257                 ifc.ifc_buf = NULL;
2258                 x = (void *) &ifr->ifr_addr;
2259                 ],[
2260                         AC_MSG_RESULT(yes)
2261                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2262                 ], [
2263                         AC_MSG_RESULT(no)
2264                 ])
2265         dnl **********************************
2266         dnl ***     Checks for sin_len     ***
2267         dnl **********************************
2268         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2269         AC_TRY_COMPILE([
2270                 #include <netinet/in.h>
2271                 ], [
2272                 struct sockaddr_in saddr;
2273                 saddr.sin_len = sizeof (saddr);
2274                 ],[
2275                         AC_MSG_RESULT(yes)
2276                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2277                 ], [
2278                         AC_MSG_RESULT(no)
2279                 ])
2280         dnl **********************************
2281         dnl ***    Checks for sin6_len     ***
2282         dnl **********************************
2283         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2284         AC_TRY_COMPILE([
2285                 #include <netinet/in.h>
2286                 ], [
2287                 struct sockaddr_in6 saddr6;
2288                 saddr6.sin6_len = sizeof (saddr6);
2289                 ],[
2290                         AC_MSG_RESULT(yes)
2291                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2292                 ], [
2293                         AC_MSG_RESULT(no)
2294                 ])
2295         dnl **********************************
2296         dnl *** Check for getifaddrs       ***
2297         dnl **********************************
2298         AC_MSG_CHECKING(for getifaddrs)
2299                 AC_TRY_LINK([
2300                 #include <stdio.h>
2301                 #include <sys/types.h>
2302                 #include <sys/socket.h>
2303                 #include <ifaddrs.h>
2304         ], [
2305                 getifaddrs(NULL);
2306         ], [
2307                 # Yes, we have it...
2308                 AC_MSG_RESULT(yes)
2309                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2310         ], [
2311                 AC_MSG_RESULT(no)
2312         ])
2313         dnl **********************************
2314         dnl *** Check for if_nametoindex   ***
2315         dnl **********************************
2316         AC_MSG_CHECKING(for if_nametoindex)
2317                 AC_TRY_LINK([
2318                 #include <stdio.h>
2319                 #include <sys/types.h>
2320                 #include <sys/socket.h>
2321                 #include <net/if.h>
2322         ], [
2323                 if_nametoindex(NULL);
2324         ], [
2325                 # Yes, we have it...
2326                 AC_MSG_RESULT(yes)
2327                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2328         ], [
2329                 AC_MSG_RESULT(no)
2330         ])
2331
2332         dnl **********************************
2333         dnl *** Checks for proclib         ***
2334         dnl **********************************
2335         AC_CHECK_HEADER(sys/errno.h, [AC_DEFINE(HAVE_SYS_ERRNO_H, 1, Define to 1 if you have the <sys/errno.h> header file.)])
2336         dnl **********************************
2337         dnl *** Checks for MonoPosixHelper ***
2338         dnl **********************************
2339         AC_CHECK_HEADERS(checklist.h)
2340         AC_CHECK_HEADERS(pathconf.h)
2341         AC_CHECK_HEADERS(fstab.h)
2342         AC_CHECK_HEADERS(attr/xattr.h)
2343         AC_CHECK_HEADERS(sys/extattr.h)
2344         AC_CHECK_HEADERS(sys/sendfile.h)
2345         AC_CHECK_HEADERS(sys/statvfs.h)
2346         AC_CHECK_HEADERS(sys/statfs.h)
2347         AC_CHECK_HEADERS(sys/vfstab.h)
2348         AC_CHECK_HEADERS(sys/xattr.h)
2349         AC_CHECK_HEADERS(sys/mman.h)
2350         AC_CHECK_HEADERS(sys/param.h)
2351         AC_CHECK_HEADERS(sys/mount.h, [], [],
2352                 [
2353                 #ifdef HAVE_SYS_PARAM_H
2354                 # include <sys/param.h>
2355                 #endif
2356                 ])
2357         AC_CHECK_HEADERS(sys/mount.h)
2358         AC_CHECK_FUNCS(confstr)
2359         AC_CHECK_FUNCS(seekdir telldir)
2360         AC_CHECK_FUNCS(getdomainname)
2361         AC_CHECK_FUNCS(setdomainname)
2362         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2363         AC_CHECK_FUNCS(setgroups)
2364         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2365         AC_CHECK_FUNCS(getfsstat)
2366         AC_CHECK_FUNCS(lutimes futimes)
2367         AC_CHECK_FUNCS(mremap)
2368         AC_CHECK_FUNCS(remap_file_pages)
2369         AC_CHECK_FUNCS(posix_fadvise)
2370         AC_CHECK_FUNCS(posix_fallocate)
2371         AC_CHECK_FUNCS(posix_madvise)
2372         AC_CHECK_FUNCS(vsnprintf)
2373         AC_CHECK_FUNCS(sendfile)
2374         AC_CHECK_FUNCS(gethostid sethostid)
2375         AC_CHECK_FUNCS(sethostname)
2376         AC_CHECK_FUNCS(statfs)
2377         AC_CHECK_FUNCS(fstatfs)
2378         AC_CHECK_FUNCS(statvfs)
2379         AC_CHECK_FUNCS(fstatvfs)
2380         AC_CHECK_FUNCS(stime)
2381         AC_CHECK_FUNCS(strerror_r)
2382         AC_CHECK_FUNCS(ttyname_r)
2383         AC_CHECK_FUNCS(psignal)
2384         AC_CHECK_FUNCS(getlogin_r)
2385         AC_CHECK_FUNCS(lockf)
2386         AC_CHECK_FUNCS(swab)
2387         AC_CHECK_FUNCS(setusershell endusershell)
2388         AC_CHECK_FUNCS(futimens utimensat)
2389         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2390         AC_CHECK_FUNCS(readv writev preadv pwritev)
2391         AC_CHECK_FUNCS(setpgid)
2392         AC_CHECK_FUNCS(system)
2393         AC_CHECK_FUNCS(fork execv execve)
2394         AC_CHECK_FUNCS(accept4)
2395         AC_CHECK_FUNCS(localtime_r)
2396         AC_CHECK_FUNCS(mkdtemp)
2397         AC_CHECK_SIZEOF(size_t)
2398         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2399                 [#include <sys/types.h>
2400                  #include <sys/stat.h>
2401                  #include <unistd.h>])
2402         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2403                 [#include <sys/types.h>
2404                  #include <sys/stat.h>
2405                  #include <unistd.h>])
2406         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2407                 [#include <sys/time.h>])
2408         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2409                 [#include <sys/socket.h>])
2410         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2411                 [#include <unistd.h>
2412                  #include <fcntl.h>])
2413         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2414                 [#include <sys/uio.h>])
2415         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2416                 [#include <sys/socket.h>])
2417         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2418                 [#include <sys/poll.h>])
2419         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2420                 [#include <sys/socket.h>])
2421         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2422                 [#include <sys/socket.h>])
2423         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2424                 [#include <netinet/in.h>])
2425         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2426                 [#include <netinet/in.h>])
2427         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2428                 [#include <sys/un.h>])
2429         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2430                 [#include <sys/types.h>
2431                  #include <sys/stat.h>
2432                  #include <unistd.h>])
2433         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2434                 [#include <time.h>])
2435         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2436                 [#include <sys/time.h>
2437                  #include <sys/types.h>
2438                  #include <utime.h>])
2439         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2440                 [#include <sys/time.h>])
2441         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2442                 [#include <sys/types.h>
2443                  #include <utime.h>])
2444         AC_CHECK_MEMBERS(
2445                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2446                 [#include <sys/types.h>
2447                  #include <dirent.h>])
2448         AC_CHECK_MEMBERS(
2449                 [struct passwd.pw_gecos],,,
2450                 [#include <sys/types.h>
2451                  #include <pwd.h>])
2452         AC_CHECK_MEMBERS(
2453                 [struct statfs.f_flags],,,
2454                 [#include <sys/types.h>
2455                  #include <sys/vfs.h>])
2456         AC_CHECK_MEMBERS(
2457                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2458                 [#include <sys/types.h>
2459                  #include <sys/stat.h>
2460                  #include <unistd.h>])
2461
2462         dnl Favour xattr through glibc, but use libattr if we have to
2463         AC_CHECK_FUNC(lsetxattr, ,
2464                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2465         )
2466         AC_SUBST(XATTR_LIB)
2467
2468         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2469         AC_CHECK_MEMBERS(
2470                 [struct kinfo_proc.kp_proc],,,
2471                 [#include <sys/types.h>
2472                  #include <sys/param.h>
2473                  #include <sys/sysctl.h>
2474                  #include <sys/proc.h>
2475                  ])
2476
2477         dnl *********************************
2478         dnl *** Checks for Windows compilation ***
2479         dnl *********************************
2480         AC_CHECK_HEADERS(sys/time.h)
2481         AC_CHECK_HEADERS(sys/param.h)
2482         AC_CHECK_HEADERS(dirent.h)
2483
2484         dnl ******************************************
2485         dnl *** Checks for OSX and iOS compilation ***
2486         dnl ******************************************
2487         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2488
2489         dnl *********************************
2490         dnl *** Check for Console 2.0 I/O ***
2491         dnl *********************************
2492         AC_CHECK_HEADERS([curses.h])
2493         AC_CHECK_HEADERS([term.h], [], [],
2494         [#if HAVE_CURSES_H
2495          #include <curses.h>
2496          #endif
2497         ])
2498         AC_CHECK_HEADERS([termios.h])
2499 else
2500         dnl *********************************
2501         dnl *** Checks for Windows compilation ***
2502         dnl *********************************
2503         AC_CHECK_HEADERS(winternl.h)
2504
2505         jdk_headers_found=no
2506         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2507         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2508         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2509         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2510         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2511         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2512         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2513
2514         dnl *********************************
2515         dnl *** Check for struct ip_mreqn ***
2516         dnl *********************************
2517         AC_MSG_CHECKING(for struct ip_mreqn)
2518         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2519                 struct ip_mreqn mreq;
2520                 mreq.imr_address.s_addr = 0;
2521         ], [
2522                 # Yes, we have it...
2523                 AC_MSG_RESULT(yes)
2524                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2525         ], [
2526                 # We'll just have to try and use struct ip_mreq
2527                 AC_MSG_RESULT(no)
2528                 AC_MSG_CHECKING(for struct ip_mreq)
2529                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2530                         struct ip_mreq mreq;
2531                         mreq.imr_interface.s_addr = 0;
2532                 ], [
2533                         # Yes, we have it...
2534                         AC_MSG_RESULT(yes)
2535                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2536                 ], [
2537                         # No multicast support
2538                         AC_MSG_RESULT(no)
2539                 ])
2540         ])
2541
2542         dnl **********************************
2543         dnl *** Check for getaddrinfo ***
2544         dnl **********************************
2545         AC_MSG_CHECKING(for getaddrinfo)
2546                 AC_TRY_LINK([
2547                 #include <stdio.h>
2548                 #include <winsock2.h>
2549                 #include <ws2tcpip.h>
2550         ], [
2551                 getaddrinfo(NULL,NULL,NULL,NULL);
2552         ], [
2553                 # Yes, we have it...
2554                 AC_MSG_RESULT(yes)
2555                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2556         ], [
2557                 AC_MSG_RESULT(no)
2558         ])
2559
2560         dnl **********************************
2561         dnl *** Check for gethostbyname ***
2562         dnl **********************************
2563         AC_MSG_CHECKING(for gethostbyname)
2564                 AC_TRY_LINK([
2565                 #include <stdio.h>
2566                 #include <winsock2.h>
2567                 #include <ws2tcpip.h>
2568         ], [
2569                 gethostbyname(NULL);
2570         ], [
2571                 # Yes, we have it...
2572                 AC_MSG_RESULT(yes)
2573                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2574         ], [
2575                 AC_MSG_RESULT(no)
2576         ])
2577
2578         dnl **********************************
2579         dnl *** Check for getprotobyname ***
2580         dnl **********************************
2581         AC_MSG_CHECKING(for getprotobyname)
2582                 AC_TRY_LINK([
2583                 #include <stdio.h>
2584                 #include <winsock2.h>
2585                 #include <ws2tcpip.h>
2586         ], [
2587                 getprotobyname(NULL);
2588         ], [
2589                 # Yes, we have it...
2590                 AC_MSG_RESULT(yes)
2591                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2592         ], [
2593                 AC_MSG_RESULT(no)
2594         ])
2595
2596         dnl **********************************
2597         dnl *** Check for getnameinfo ***
2598         dnl **********************************
2599         AC_MSG_CHECKING(for getnameinfo)
2600                 AC_TRY_LINK([
2601                 #include <stdio.h>
2602                 #include <winsock2.h>
2603                 #include <ws2tcpip.h>
2604         ], [
2605                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2606         ], [
2607                 # Yes, we have it...
2608                 AC_MSG_RESULT(yes)
2609                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2610         ], [
2611                 AC_MSG_RESULT(no)
2612         ])
2613
2614         dnl **********************************
2615         dnl *** Check for inet_ntop ***
2616         dnl **********************************
2617         AC_MSG_CHECKING(for inet_ntop)
2618                 AC_TRY_LINK([
2619                 #include <stdio.h>
2620                 #include <winsock2.h>
2621                 #include <ws2tcpip.h>
2622         ], [
2623                 inet_ntop (0, NULL, NULL, 0);
2624         ], [
2625                 # Yes, we have it...
2626                 AC_MSG_RESULT(yes)
2627                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2628         ], [
2629                 AC_MSG_RESULT(no)
2630         ])
2631
2632         dnl **********************************
2633         dnl *** Check for inet_pton ***
2634         dnl **********************************
2635         AC_MSG_CHECKING(for inet_pton)
2636                 AC_TRY_LINK([
2637                 #include <stdio.h>
2638                 #include <winsock2.h>
2639                 #include <ws2tcpip.h>
2640         ], [
2641                 #ifndef inet_pton
2642                 (void) inet_pton;
2643                 #endif
2644                 inet_pton (0, NULL, NULL);
2645         ], [
2646                 # Yes, we have it...
2647                 AC_MSG_RESULT(yes)
2648                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2649         ], [
2650                 AC_MSG_RESULT(no)
2651         ])
2652
2653         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2654         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2655         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2656         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2657         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2658         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2659         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2660 fi
2661
2662 dnl socklen_t check
2663 AC_MSG_CHECKING(for socklen_t)
2664 AC_TRY_COMPILE([
2665 #include <sys/types.h>
2666 #include <sys/socket.h>
2667 ],[
2668   socklen_t foo;
2669 ],[
2670 ac_cv_c_socklen_t=yes
2671         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2672         AC_MSG_RESULT(yes)
2673 ],[
2674         AC_MSG_RESULT(no)
2675 ])
2676
2677 AC_MSG_CHECKING(for array element initializer support)
2678 AC_TRY_COMPILE([#include <sys/socket.h>], [
2679         const int array[] = {[1] = 2,};
2680 ], [
2681         # Yes, we have it...
2682         AC_MSG_RESULT(yes)
2683         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2684 ], [
2685         # We'll have to use signals
2686         AC_MSG_RESULT(no)
2687 ])
2688
2689 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2690         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2691         AC_TRY_LINK([#include <math.h>],
2692         [ static void *p = &trunc; ],
2693         [
2694                 AC_DEFINE(HAVE_TRUNC)
2695                 AC_MSG_RESULT(yes)
2696                 ac_cv_trunc=yes
2697         ],
2698         AC_MSG_RESULT(no)))
2699
2700 if test "x$ac_cv_truncl" != "xyes"; then
2701    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2702 fi
2703
2704 AC_CHECK_FUNCS(execvp)
2705
2706 dnl ****************************
2707 dnl *** Look for /dev/random ***
2708 dnl ****************************
2709
2710 AC_MSG_CHECKING([if usage of random device is requested])
2711 AC_ARG_ENABLE(dev-random,
2712 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2713 try_dev_random=$enableval, try_dev_random=yes)
2714
2715 AC_MSG_RESULT($try_dev_random)
2716
2717 case "{$build}" in
2718     *-openbsd*)
2719     NAME_DEV_RANDOM="/dev/srandom"
2720     ;;
2721
2722 dnl Win32 does not have /dev/random, they have their own method...
2723
2724     *-mingw*|*-*-cygwin*)
2725     ac_cv_have_dev_random=no
2726     ;;
2727
2728 dnl Everywhere else, it's /dev/random
2729
2730     *)
2731     NAME_DEV_RANDOM="/dev/random"
2732     ;;
2733 esac
2734
2735 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2736
2737 dnl Now check if the device actually exists
2738
2739 if test "x$try_dev_random" = "xyes"; then
2740     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2741     [if test -r "$NAME_DEV_RANDOM" ; then
2742         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2743     if test "x$ac_cv_have_dev_random" = "xyes"; then
2744         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2745     fi
2746 else
2747     AC_MSG_CHECKING(for random device)
2748     ac_cv_have_dev_random=no
2749     AC_MSG_RESULT(has been disabled)
2750 fi
2751
2752 if test "x$host_win32" = "xyes"; then
2753     AC_DEFINE(HAVE_CRYPT_RNG)
2754 fi
2755
2756 if test "x$ac_cv_have_dev_random" = "xno" \
2757     && test "x$host_win32" = "xno"; then
2758     AC_MSG_WARN([[
2759 ***
2760 *** A system-provided entropy source was not found on this system.
2761 *** Because of this, the System.Security.Cryptography random number generator
2762 *** will throw a NotImplemented exception.
2763 ***
2764 *** If you are seeing this message, and you know your system DOES have an
2765 *** entropy collection in place, please contact <crichton@gimp.org> and
2766 *** provide information about the system and how to access the random device.
2767 ***
2768 *** Otherwise you can install either egd or prngd and set the environment
2769 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2770 ***]])
2771 fi
2772
2773 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2774
2775 AC_MSG_CHECKING([if big-arrays are to be enabled])
2776 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2777 if test "x$enable_big_arrays" = "xyes" ; then
2778     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2779         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2780     else
2781         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2782     fi
2783 fi
2784 AC_MSG_RESULT($enable_big_arrays)
2785
2786 dnl **************
2787 dnl *** DTRACE ***
2788 dnl **************
2789
2790 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2791
2792 if test "x$enable_dtrace" = "xyes"; then
2793    if test "x$has_dtrace" = "xno"; then
2794           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2795    fi
2796    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2797    if test "x$DTRACE" = "xno"; then
2798           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2799           enable_dtrace=no
2800    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2801           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2802           enable_dtrace=no
2803    fi
2804 fi
2805
2806 dtrace_g=no
2807 if test "x$enable_dtrace" = "xyes"; then
2808         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2809         DTRACEFLAGS=
2810         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2811                 case "$host" in
2812                         powerpc-*-darwin*)
2813                         DTRACEFLAGS="-arch ppc64"
2814                         ;;
2815                         i*86-*-darwin*)
2816                         DTRACEFLAGS="-arch x86_64"
2817                         ;;
2818                         *)
2819                         DTRACEFLAGS=-64
2820                         ;;
2821                 esac
2822         else
2823                 case "$host" in
2824                         powerpc-*-darwin*)
2825                         DTRACEFLAGS="-arch ppc"
2826                         ;;
2827                         i*86-*-darwin*)
2828                         DTRACEFLAGS="-arch i386"
2829                         ;;
2830                         *)
2831                         DTRACEFLAGS=-32
2832                         ;;
2833                 esac
2834         fi
2835         AC_SUBST(DTRACEFLAGS)
2836         case "$host" in
2837                 *-*-solaris*)
2838                 dtrace_g=yes
2839                 ;;
2840         esac
2841         AC_CHECK_HEADERS([sys/sdt.h])
2842 fi
2843 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2844 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2845
2846 dnl **************************
2847 dnl *** AOT cross offsets  ***
2848 dnl **************************
2849
2850 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2851     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2852
2853 dnl **************
2854 dnl ***  LLVM  ***
2855 dnl **************
2856
2857 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2858 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2859 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2860 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2861
2862 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2863
2864 if test "x$enable_llvm" = "xdefault"; then
2865    enable_llvm=$enable_llvm_default
2866 fi
2867
2868 if test "x$enable_llvm" = "xyes"; then
2869    if test "x$with_llvm" != "x"; then
2870           LLVM_CONFIG=$with_llvm/bin/llvm-config
2871           if test x$host_win32 = xyes; then
2872                 LLVM_CONFIG=$LLVM_CONFIG.exe
2873           fi
2874           if test ! -x $LLVM_CONFIG; then
2875                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2876       fi
2877    else
2878       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2879       if test "x$LLVM_CONFIG" = "xno"; then
2880              AC_MSG_ERROR([llvm-config not found.])
2881       fi
2882    fi
2883
2884    llvm_codegen="x86codegen"
2885    case "$target" in
2886    arm*)
2887                 llvm_codegen="armcodegen"
2888                 ;;
2889    esac
2890
2891    if test "x$host_win32" = "xno"; then
2892
2893    # Should be something like '2.6' or '2.7svn'
2894    llvm_version=`$LLVM_CONFIG --version`
2895    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2896    AC_MSG_CHECKING(LLVM version)
2897    AC_MSG_RESULT($llvm_version $llvm_api_version)
2898    if echo $llvm_version | grep -q 'mono'; then
2899           if test "x$enable_llvm_version_check" = "xyes"; then
2900                  if test "$llvm_version" != "$expected_llvm_version"; then
2901                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2902                  fi
2903           fi
2904    else
2905           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.])
2906    fi
2907
2908    # The output of --cflags seems to include optimizations flags too
2909    if test $llvm_api_version -gt 100; then
2910           # The --cflags argument includes all kinds of warnings -pendantic etc.
2911           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2912           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2913    else
2914           LLVM_CFLAGS=`$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'`
2915       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2916    fi
2917    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2918    # from LLVM classes.
2919    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2920    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2921    # This might include empty lines
2922    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2923    llvm_jit_supported=yes
2924    llvm_jit_libs="jit mcjit $llvm_codegen"
2925    if test "x$host" != "x$target"; then
2926       # No need for jit libs
2927           llvm_jit_supported=no
2928       llvm_jit_libs=""
2929    elif test $llvm_api_version -gt 100; then
2930       llvm_jit_libs="orcjit $llvm_codegen"
2931    fi
2932    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2933    if test "x$LLVM_LIBS" = "x"; then
2934           echo "$LLVM_CONFIG --libs failed."
2935           exit 1
2936    fi
2937    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2938    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2939    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2940       LLVM_LIBS="$LLVM_LIBS -lc++"
2941    else
2942       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2943    fi
2944
2945    expected_llvm_version="3.4svn-mono-mono/e656cac"
2946
2947    else
2948        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2949        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2950        LLVM_LDFLAGS="-L$with_llvm/lib"
2951        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2952        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2953          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2954          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2955          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2956          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2957          -lLLVMAnalysis -lLLVMTarget \
2958          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2959          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2960          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2961          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2962          -lLLVMSupport -lstdc++"
2963        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2964
2965        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2966        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2967    fi
2968
2969    if test "x$llvm_api_version" = "x"; then
2970           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2971           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2972    else
2973           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2974           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2975    fi
2976
2977    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2978
2979    AC_SUBST(LLVM_CFLAGS)
2980    AC_SUBST(LLVM_CXXFLAGS)
2981    AC_SUBST(LLVM_LIBS)
2982    AC_SUBST(LLVM_LDFLAGS)
2983    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2984 fi
2985
2986 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2987 if test "x$enable_loadedllvm" = "xyes"; then
2988    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2989 fi
2990 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2991
2992 if test "x$enable_llvm" = "xyes"; then
2993    enable_llvm_runtime=yes
2994 fi
2995 if test "x$enable_llvm_runtime" = "xyes"; then
2996    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2997 fi
2998 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2999
3000 TARGET="unknown"
3001 ACCESS_UNALIGNED="yes"
3002
3003 LIBC="libc.so.6"
3004 INTL="libc.so.6"
3005 SQLITE="libsqlite.so.0"
3006 SQLITE3="libsqlite3.so.0"
3007 X11="libX11.so"
3008 GDKX11="libgdk-x11-2.0.so.0"
3009 GTKX11="libgtk-x11-2.0.so.0"
3010 XINERAMA="libXinerama.so.1"
3011
3012 sizeof_register="SIZEOF_VOID_P"
3013
3014 jit_wanted=true
3015 boehm_supported=true
3016 BTLS_SUPPORTED=no
3017 BTLS_PLATFORM=
3018 case "$host" in
3019         mips*)
3020                 TARGET=MIPS;
3021                 arch_target=mips;
3022                 with_tls=pthread;
3023                 ACCESS_UNALIGNED="no"
3024
3025                 AC_MSG_CHECKING(for mips n32)
3026                 AC_TRY_COMPILE([],[
3027                 #if _MIPS_SIM != _ABIN32
3028                 #error Not mips n32
3029                 #endif
3030                 return 0;
3031                 ],[
3032                 AC_MSG_RESULT(yes)
3033                 sizeof_register=8
3034                 ],[
3035                 AC_MSG_RESULT(no)
3036                 ])
3037                 ;;
3038         i*86-*-*)
3039                 TARGET=X86;
3040                 arch_target=x86;
3041                 case $host_os in
3042                   solaris*)
3043                         LIBC="libc.so"
3044                         INTL="libintl.so"
3045                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3046                                 TARGET=AMD64
3047                                 arch_target=amd64
3048                         fi
3049
3050                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3051                         # int astruct __attribute__ ((visibility ("hidden")));
3052                         # void foo ()
3053                         # {
3054                         #       void *p = &astruct;
3055                         # }
3056                         # gcc -fPIC --shared -o libfoo.so foo.c
3057                         # yields:
3058                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3059                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3060                         have_visibility_hidden=no
3061                         ;;
3062                   mingw*|cygwin*)
3063                         have_visibility_hidden=no
3064                         ;;
3065                   haiku*)
3066                         LIBC=libroot.so
3067                         ;;
3068                   linux*)
3069                         AOT_SUPPORTED="yes"
3070                         BTLS_SUPPORTED=yes
3071                         BTLS_PLATFORM=i386
3072                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3073                         ;;
3074                   darwin*)
3075                         AOT_SUPPORTED="yes"
3076                         BTLS_SUPPORTED=yes
3077                         BTLS_PLATFORM=i386
3078                         ;;
3079                   openbsd*|freebsd*|kfreebsd-gnu*)
3080                         ;;
3081                 esac
3082                 ;;
3083         x86_64-*-* | amd64-*-*)
3084                 TARGET=AMD64;
3085                 arch_target=amd64;
3086                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3087                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3088                         sizeof_register=8
3089                 fi
3090                 case $host_os in
3091                   linux*)
3092                         AOT_SUPPORTED="yes"
3093                         BTLS_SUPPORTED=yes
3094                         BTLS_PLATFORM=x86_64
3095                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3096                         ;;
3097                   darwin*)
3098                         AOT_SUPPORTED="yes"
3099                         BTLS_SUPPORTED=yes
3100                         BTLS_PLATFORM=x86_64
3101                         boehm_supported=false
3102                         ;;
3103                   openbsd*|freebsd*|kfreebsd-gnu*)
3104                         ;;
3105                   mingw*)
3106                         ;;
3107                 esac
3108                 ;;
3109         sparc*-*-*)
3110                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3111                    TARGET=SPARC64
3112                 else
3113                         TARGET=SPARC
3114                 fi
3115                 arch_target=sparc;
3116                 ACCESS_UNALIGNED="no"
3117                 case $host_os in
3118                   linux*) ;;
3119                   *)
3120                         LIBC="libc.so"
3121                         INTL="libintl.so"
3122                 esac
3123                 if test x"$GCC" = xyes; then
3124                         # We don't support v8 cpus
3125                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3126                 fi
3127                 if test x"$AR" = xfalse; then
3128                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3129                 fi
3130                 ;;
3131         *-mingw*|*-*-cygwin*)
3132                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3133                 have_visibility_hidden=no
3134                 INTL="intl"
3135                 ;;
3136         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3137         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3138                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3139                         TARGET=POWERPC64;
3140                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3141                         CFLAGS="$CFLAGS -mminimal-toc"
3142                 else
3143                         TARGET=POWERPC;
3144                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3145                 fi
3146                 arch_target=ppc;
3147                 case $host_os in
3148                   linux*|darwin*)
3149                         ;;
3150                 esac
3151                 ;;
3152         armv7k-*-darwin*)
3153                 TARGET=ARM;
3154                 TARGET_SYS=WATCHOS
3155                 arch_target=arm;
3156                 arm_fpu=VFP_HARD
3157                 ACCESS_UNALIGNED="no"
3158                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3159                 ;;
3160
3161         arm*-darwin*)
3162                 TARGET=ARM;
3163                 arch_target=arm;
3164                 ACCESS_UNALIGNED="no"
3165                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3166                 ;;
3167         arm*-linux*)
3168                 TARGET=ARM;
3169                 arch_target=arm;
3170                 ACCESS_UNALIGNED="no"
3171                 AOT_SUPPORTED="yes"
3172                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3173                 BTLS_SUPPORTED=yes
3174                 BTLS_PLATFORM=arm
3175                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3176                 case "$target" in
3177                 arm*-linux*-gnueabi)
3178                         BTLS_PLATFORM=armsoft
3179                         ;;
3180                 esac
3181                 ;;
3182         arm*-netbsd*-eabi*)
3183                 TARGET=ARM;
3184                 arch_target=arm;
3185                 ACCESS_UNALIGNED="no"
3186                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3187                 ;;
3188         aarch64-*)
3189                 # https://lkml.org/lkml/2012/7/15/133
3190                 TARGET=ARM64
3191                 arch_target=arm64
3192                 boehm_supported=false
3193                 AOT_SUPPORTED="yes"
3194                 BTLS_SUPPORTED=yes
3195                 BTLS_PLATFORM=aarch64
3196                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3197                 ;;
3198         s390x-*-linux*)
3199                 TARGET=S390X;
3200                 arch_target=s390x;
3201                 ACCESS_UNALIGNED="yes"
3202                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3203                 ;;
3204 esac
3205
3206 HOST=$TARGET
3207
3208 if test "x$host" != "x$target"; then
3209    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3210    enable_mcs_build=no
3211    BTLS_SUPPORTED=no
3212    case "$target" in
3213    arm*-darwin*)
3214                 TARGET=ARM;
3215                 arch_target=arm;
3216                 ACCESS_UNALIGNED="no"
3217                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3218                 # Can't use tls, since it depends on the runtime detection of tls offsets
3219                 # in mono-compiler.h
3220                 with_tls=pthread
3221                 case "$target" in
3222                 armv7k-*)
3223                         arm_fpu=VFP_HARD
3224                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3225                         ;;
3226                 esac
3227                 ;;
3228    powerpc64-ps3-linux-gnu)
3229                 TARGET=POWERPC64
3230                 arch_target=powerpc64
3231                 AC_DEFINE(TARGET_PS3, 1, [...])
3232                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3233                 # uses this define
3234                 AC_DEFINE(__mono_ppc64__, 1, [...])
3235                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3236                 sizeof_register=8
3237                 target_byte_order=G_BIG_ENDIAN
3238                 ;;
3239    powerpc64-xbox360-linux-gnu)
3240                 TARGET=POWERPC64
3241                 arch_target=powerpc64
3242                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3243                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3244                 # uses this define
3245                 sizeof_register=8
3246                 target_byte_order=G_BIG_ENDIAN
3247                 ;;
3248    arm*-linux-*)
3249                 TARGET=ARM;
3250                 arch_target=arm;
3251                 AC_DEFINE(TARGET_ARM, 1, [...])
3252                 ACCESS_UNALIGNED="no"
3253                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3254                 # Can't use tls, since it depends on the runtime detection of tls offsets
3255                 # in mono-compiler.h
3256                 with_tls=pthread
3257                 target_mach=no
3258                 case "$target" in
3259                 armv7l-unknown-linux-gnueabi*)
3260                         # TEGRA
3261                         CPPFLAGS="$CPPFLAGS"
3262                         ;;
3263                 armv5-*-linux-androideabi*)
3264                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3265                         CPPFLAGS="$CPPFLAGS"
3266                         ;;
3267                 *-linux-androideabi*)
3268                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3269                         CPPFLAGS="$CPPFLAGS"
3270                         ;;
3271                 esac
3272                 ;;
3273    arm*-netbsd*-eabi*)
3274                 TARGET=ARM;
3275                 arch_target=arm;
3276                 AC_DEFINE(TARGET_ARM, 1, [...])
3277                 ACCESS_UNALIGNED="no"
3278                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3279                 # Can't use tls, since it depends on the runtime detection of tls offsets
3280                 # in mono-compiler.h
3281                 with_tls=pthread
3282                 target_mach=no
3283                 ;;
3284    i686*-linux-*)
3285                 TARGET=X86;
3286                 arch_target=x86;
3287                 AC_DEFINE(TARGET_X86, 1, [...])
3288                 CPPFLAGS="$CPPFLAGS"
3289                 # Can't use tls, since it depends on the runtime detection of tls offsets
3290                 # in mono-compiler.h
3291                 with_tls=pthread
3292                 target_mach=no
3293
3294                 case "$target" in
3295                 *-linux-android*)
3296                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3297                         ;;
3298                 esac
3299                 ;;
3300    x86_64*-linux-*)
3301                 TARGET=AMD64;
3302                 arch_target=amd64;
3303                 AC_DEFINE(TARGET_AMD64, 1, [...])
3304                 CPPFLAGS="$CPPFLAGS"
3305                 # Can't use tls, since it depends on the runtime detection of tls offsets
3306                 # in mono-compiler.h
3307                 with_tls=pthread
3308                 target_mach=no
3309
3310                 case "$target" in
3311                 *-linux-android*)
3312                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3313                         ;;
3314                 esac
3315                 ;;
3316    x86_64-ps4-freebsd)
3317                 TARGET=AMD64;
3318                 arch_target=amd64;
3319                 AC_DEFINE(TARGET_AMD64, 1, [...])
3320                 AC_DEFINE(TARGET_PS4, 1, [...])
3321                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3322                 CPPFLAGS="$CPPFLAGS"
3323                 # Can't use tls, since it depends on the runtime detection of tls offsets
3324                 # in mono-compiler.h
3325                 with_tls=pthread
3326                 target_mach=no
3327                 target_win32=no
3328                 ;;
3329    aarch64*-linux-*)
3330                 TARGET=ARM64;
3331                 arch_target=arm64;
3332                 AC_DEFINE(TARGET_ARM64, 1, [...])
3333                 CPPFLAGS="$CPPFLAGS"
3334                 # Can't use tls, since it depends on the runtime detection of tls offsets
3335                 # in mono-compiler.h
3336                 with_tls=pthread
3337                 target_mach=no
3338                 case "$target" in
3339                 *-linux-android*)
3340                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3341                         ;;
3342                 esac
3343                 ;;
3344         aarch64-*)
3345                 TARGET=ARM64
3346                 ;;
3347         *)
3348                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3349         esac
3350 fi
3351
3352 case "$TARGET" in
3353 X86)
3354         AC_DEFINE(TARGET_X86, 1, [...])
3355         ;;
3356 AMD64)
3357         AC_DEFINE(TARGET_AMD64, 1, [...])
3358         ;;
3359 ARM)
3360         AC_DEFINE(TARGET_ARM, 1, [...])
3361         ;;
3362 ARM64)
3363         AC_DEFINE(TARGET_ARM64, 1, [...])
3364         ;;
3365 POWERPC)
3366         AC_DEFINE(TARGET_POWERPC, 1, [...])
3367         ;;
3368 POWERPC64)
3369         AC_DEFINE(TARGET_POWERPC, 1, [...])
3370         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3371         ;;
3372 S390X)
3373         AC_DEFINE(TARGET_S390X, 1, [...])
3374         ;;
3375 MIPS)
3376         AC_DEFINE(TARGET_MIPS, 1, [...])
3377         ;;
3378 SPARC)
3379         AC_DEFINE(TARGET_SPARC, 1, [...])
3380         ;;
3381 SPARC64)
3382         AC_DEFINE(TARGET_SPARC64, 1, [...])
3383         ;;
3384 esac
3385
3386 case "$HOST" in
3387 X86)
3388         AC_DEFINE(HOST_X86, 1, [...])
3389         ;;
3390 AMD64)
3391         AC_DEFINE(HOST_AMD64, 1, [...])
3392         ;;
3393 ARM)
3394         AC_DEFINE(HOST_ARM, 1, [...])
3395         ;;
3396 ARM64)
3397         AC_DEFINE(HOST_ARM64, 1, [...])
3398         ;;
3399 POWERPC)
3400         AC_DEFINE(HOST_POWERPC, 1, [...])
3401         ;;
3402 POWERPC64)
3403         AC_DEFINE(HOST_POWERPC, 1, [...])
3404         AC_DEFINE(HOST_POWERPC64, 1, [...])
3405         ;;
3406 S390X)
3407         AC_DEFINE(HOST_S390X, 1, [...])
3408         ;;
3409 MIPS)
3410         AC_DEFINE(HOST_MIPS, 1, [...])
3411         ;;
3412 SPARC)
3413         AC_DEFINE(HOST_SPARC, 1, [...])
3414         ;;
3415 SPARC64)
3416         AC_DEFINE(HOST_SPARC64, 1, [...])
3417         ;;
3418 esac
3419
3420
3421
3422 dnl *************
3423 dnl *** VTUNE ***
3424 dnl *************
3425
3426 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3427 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3428
3429 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3430
3431 if test "x$enable_vtune" = "xyes"; then
3432         if test "x$with_vtune" = "x"; then
3433                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3434         else
3435                 VTUNE_PATH=$with_vtune
3436         fi
3437         VTUNE_INCLUDE=$VTUNE_PATH/include
3438         case "$TARGET" in
3439         X86)
3440                 VTUNE_LIB=$VTUNE_PATH/lib32
3441                 ;;
3442         AMD64)
3443                 VTUNE_LIB=$VTUNE_PATH/lib64
3444                 ;;
3445         *)
3446                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3447                 ;;
3448         esac
3449         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3450                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3451         fi
3452         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3453                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3454         fi
3455
3456         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3457         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3458
3459         AC_SUBST(VTUNE_LIBS)
3460         AC_SUBST(VTUNE_CFLAGS)
3461 fi
3462 dnl Use GCC atomic ops if they work on the target.
3463 if test x$GCC = "xyes"; then
3464         case $TARGET in
3465         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3466                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3467                 ;;
3468         esac
3469 fi
3470
3471 if test "x$target_mach" = "xyes"; then
3472
3473    if test "x$TARGET_SYS" = "xWATCHOS"; then
3474           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3475           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3476           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3477           BTLS_SUPPORTED=no
3478    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3479           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3480           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3481           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3482           BTLS_SUPPORTED=no
3483    else
3484        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3485        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3486        #error fail this for ios
3487        #endif
3488        return 0;
3489        ], [
3490                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3491           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3492           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3493           target_osx=yes
3494        ], [
3495           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3496           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3497           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3498           BTLS_SUPPORTED=no
3499        ])
3500         fi
3501    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3502 fi
3503
3504 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3505
3506 if test "x$sizeof_register" = "x4"; then
3507    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3508 elif test "x$sizeof_register" = "x8"; then
3509    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3510 else
3511    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3512 fi
3513
3514 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3515    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3516 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3517    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3518 else
3519    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3520 fi
3521
3522 if test "x$have_visibility_hidden" = "xyes"; then
3523    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3524 fi
3525
3526 if test "x$have_deprecated" = "xyes"; then
3527    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3528 fi
3529
3530 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3531
3532 if test "x$enable_interpreter" = "xyes"; then
3533         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3534 fi
3535
3536 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3537
3538 dnl
3539 dnl Simple Generational checks (sgen)
3540 dnl
3541 SGEN_DEFINES=
3542 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3543 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3544 if test x$buildsgen = xyes; then
3545    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3546    SGEN_DEFINES="-DHAVE_SGEN_GC"
3547
3548         conc_gc_msg=""
3549    if test x$with_sgen_default_concurrent != xno; then
3550        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3551            conc_gc_msg=" (concurrent by default)"
3552    fi
3553
3554    if test "x$gc_msg" = "x"; then
3555       gc_msg="sgen$conc_gc_msg"
3556    else
3557       gc_msg="sgen$conc_gc_msg and $gc_msg"
3558    fi
3559 fi
3560 AC_SUBST(SGEN_DEFINES)
3561 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3562
3563 jit_status="Building and using the JIT"
3564
3565 libsuffix=".so"
3566
3567 case "$host" in
3568      *-*-darwin*)
3569         libsuffix=".dylib"
3570         LIBC="libc.dylib"
3571         INTL="libintl.dylib"
3572         SQLITE="libsqlite.0.dylib"
3573         SQLITE3="libsqlite3.0.dylib"
3574         X11="libX11.dylib"
3575         GDKX11="libgdk-x11-2.0.dylib"
3576         GTKX11="libgtk-x11-2.0.dylib"
3577         ;;
3578      *-*-*netbsd*)
3579         LIBC="libc.so"
3580         INTL="libintl.so"
3581         SQLITE="libsqlite.so"
3582         SQLITE3="libsqlite3.so"
3583         ;;
3584      *-*-kfreebsd*-gnu)
3585         LIBC="libc.so.0.1"
3586         INTL="libc.so.0.1"
3587         X11="libX11.so.6"
3588         ;;
3589     *-*-*freebsd*)
3590         LIBC="libc.so.7"
3591         INTL="libintl.so"
3592         SQLITE="libsqlite.so"
3593         SQLITE3="libsqlite3.so"
3594         ;;
3595     *-*-*openbsd*)
3596         LIBC="libc.so"
3597         INTL="libintl.so"
3598         SQLITE="libsqlite.so"
3599         SQLITE3="libsqlite3.so"
3600         ;;
3601     *-*-*linux*)
3602         AC_PATH_X
3603         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3604         AC_MSG_CHECKING(for the soname of libX11.so)
3605         for i in $x_libraries $dlsearch_path; do
3606                 for r in 4 5 6; do
3607                         if test -f $i/libX11.so.$r; then
3608                                 X11=libX11.so.$r
3609                                 AC_MSG_RESULT($X11)
3610                         fi
3611                 done
3612         done
3613
3614         if test "x$X11" = "xlibX11.so"; then
3615                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3616                 X11=libX11.so.6
3617         fi
3618         ;;
3619 esac
3620
3621
3622 AC_SUBST(libsuffix)
3623
3624 AC_ARG_WITH([libgdiplus],
3625         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3626         [], [with_libgdiplus=installed])
3627
3628 # default install location
3629 libgdiplus_install_loc=libgdiplus${libsuffix}
3630 case "$host" in
3631     *-*-*linux*)
3632     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3633     ;;
3634 esac
3635
3636 case $with_libgdiplus in
3637     no|installed)
3638     libgdiplus_loc=
3639     ;;
3640
3641     yes|sibling)
3642     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3643     ;;
3644
3645     /*) # absolute path, assume it is an install location
3646     libgdiplus_loc=$with_libgdiplus
3647     libgdiplus_install_loc=$with_libgdiplus
3648     ;;
3649
3650     *)
3651     libgdiplus_loc=`pwd`/$with_libgdiplus
3652     ;;
3653 esac
3654 AC_SUBST([libgdiplus_loc])
3655 AC_SUBST([libgdiplus_install_loc])
3656
3657 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3658 if test "x$icall_symbol_map" = "xyes"; then
3659    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3660 fi
3661
3662 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3663 if test "x$icall_export" = "xyes"; then
3664    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3665 fi
3666
3667 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3668 if test "x$icall_tables" = "xno"; then
3669    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3670 fi
3671
3672 if test "x$with_tls" = "x__thread"; then
3673         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3674         # Pass the information to libgc
3675         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3676         AC_MSG_CHECKING(if the tls_model attribute is supported)
3677         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3678                 ], [
3679                         AC_MSG_RESULT(yes)
3680                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3681                 ], [
3682                         AC_MSG_RESULT(no)
3683         ])
3684 fi
3685
3686 if test ${TARGET} = ARM; then
3687         dnl ******************************************
3688         dnl *** Check to see what FPU is available ***
3689         dnl ******************************************
3690         AC_MSG_CHECKING(which FPU to use)
3691
3692         #
3693         # This is a bit tricky:
3694         #
3695         # if (__ARM_PCS_VFP) {
3696         #       /* mfloat-abi=hard == VFP with hard ABI */
3697         # } elif (!__SOFTFP__) {
3698         #       /* mfloat-abi=softfp == VFP with soft ABI */
3699         # } else {
3700         #       /* mfloat-abi=soft == no VFP */
3701         # }
3702         #
3703         # The exception is iOS (w/ GCC) where none of the above
3704         # are defined (but iOS always uses the 'softfp' ABI).
3705         #
3706         # No support for FPA.
3707         #
3708
3709         fpu=NONE
3710
3711         # iOS GCC always uses the 'softfp' ABI.
3712         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3713                 fpu=VFP
3714         fi
3715
3716         # Are we using the 'hard' ABI?
3717         if test x$fpu = xNONE; then
3718                 AC_TRY_COMPILE([], [
3719                         #ifndef __ARM_PCS_VFP
3720                         #error "Float ABI is not 'hard'"
3721                         #endif
3722                         return 0;
3723                 ], [
3724                         fpu=VFP_HARD
3725                 ], [
3726                         fpu=NONE
3727                 ])
3728         fi
3729
3730         # No 'hard' ABI. 'soft' or 'softfp'?
3731         if test x$fpu = xNONE; then
3732                 AC_TRY_COMPILE([], [
3733                         #ifdef __SOFTFP__
3734                         #error "Float ABI is not 'softfp'"
3735                         #endif
3736                         return 0;
3737                 ], [
3738                         fpu=VFP
3739                 ], [
3740                         fpu=NONE
3741                 ])
3742         fi
3743
3744         if test x$arm_fpu != x; then
3745            fpu=$arm_fpu
3746         fi
3747
3748         AC_MSG_RESULT($fpu)
3749         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3750         unset fpu
3751
3752         dnl *********************************************
3753         dnl *** Check which ARM version(s) we can use ***
3754         dnl *********************************************
3755         AC_MSG_CHECKING(which ARM version to use)
3756
3757         AC_TRY_COMPILE([], [
3758                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3759                 #error Not on ARM v5.
3760                 #endif
3761                 return 0;
3762         ], [
3763                 arm_v5=yes
3764
3765                 arm_ver=ARMv5
3766         ], [])
3767
3768         AC_TRY_COMPILE([], [
3769                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3770                 #error Not on ARM v6.
3771                 #endif
3772                 return 0;
3773         ], [
3774                 arm_v5=yes
3775                 arm_v6=yes
3776
3777                 arm_ver=ARMv6
3778         ], [])
3779
3780         AC_TRY_COMPILE([], [
3781                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3782                 #error Not on ARM v7.
3783                 #endif
3784                 return 0;
3785         ], [
3786                 arm_v5=yes
3787                 arm_v6=yes
3788                 arm_v7=yes
3789
3790                 arm_ver=ARMv7
3791         ], [])
3792
3793         AC_MSG_RESULT($arm_ver)
3794
3795         if test x$arm_v5 = xyes; then
3796                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3797                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3798         fi
3799
3800         if test x$arm_v6 = xyes; then
3801                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3802                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3803         fi
3804
3805         if test x$arm_v7 = xyes; then
3806                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3807                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3808         fi
3809 fi
3810
3811 if test ${TARGET} = unknown; then
3812         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3813         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3814 fi
3815
3816 if test "x$platform_android" = "xyes"; then
3817         case "x${TARGET}" in
3818         xARM)
3819                 case "x$arm_ver" in
3820                 xARMv5)
3821                         BTLS_SUPPORTED=yes
3822                         BTLS_PLATFORM=android-armv5
3823                         ;;
3824                 xARMv6)
3825                         BTLS_SUPPORTED=yes
3826                         BTLS_PLATFORM=android-armv6
3827                         ;;
3828                 xARMv7)
3829                         BTLS_SUPPORTED=yes
3830                         BTLS_PLATFORM=android-armv7
3831                         ;;
3832                 *)
3833                         BTLS_SUPPORTED=no
3834                         ;;
3835                 esac
3836                 ;;
3837         xARM64)
3838                 BTLS_SUPPORTED=yes
3839                 BTLS_PLATFORM=android-v8a
3840                 ;;
3841         xX86)
3842                 BTLS_SUPPORTED=yes
3843                 BTLS_PLATFORM=android-x86
3844                 ;;
3845         xAMD64)
3846                 BTLS_SUPPORTED=yes
3847                 BTLS_PLATFORM=android-x64
3848                 ;;
3849         *)
3850                 BTLS_SUPPORTED=no
3851                 ;;
3852         esac
3853 fi
3854
3855 if test ${ACCESS_UNALIGNED} = no; then
3856         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3857 fi
3858
3859 if test x$host_darwin = xyes; then
3860         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3861         AS_IF(
3862                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3863                 [AC_MSG_RESULT([no])],
3864                 [
3865                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3866                         AR_FLAGS="Scru"
3867                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3868                         AC_MSG_RESULT([yes])
3869                 ]
3870         )
3871 fi
3872
3873 case "x$libgc" in
3874         xincluded)
3875                 # Pass CPPFLAGS to libgc configure
3876                 # We should use a separate variable for this to avoid passing useless and
3877                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3878                 # This should be executed late so we pick up the final version of CPPFLAGS
3879                 # The problem with this approach, is that during a reconfigure, the main
3880                 # configure scripts gets invoked with these arguments, so we use separate
3881                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3882                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3883                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3884                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3885                 fi
3886                 # Don't pass -finstrument-for-thread-suspension in,
3887                 # if these are instrumented it will be very bad news
3888                 # (infinite recursion, undefined parking behavior, etc)
3889                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3890                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3891                 if test "x$support_boehm" = "xyes"; then
3892                         AC_CONFIG_SUBDIRS(libgc)
3893                 fi
3894                 ;;
3895 esac
3896
3897 MALLOC_MEMPOOLS=no
3898 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3899         if test x$with_malloc_mempools = xyes; then
3900                 MALLOC_MEMPOOLS=yes
3901                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3902         fi
3903 ])
3904
3905
3906 DISABLE_MCS_DOCS=default
3907 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3908         if test x$with_mcs_docs != xyes; then
3909                 DISABLE_MCS_DOCS=yes
3910         fi
3911 ])
3912 if test -n "$INSTALL_4_x_TRUE"; then :
3913         DISABLE_MCS_DOCS=yes
3914 fi
3915 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3916    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3917 fi
3918
3919 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3920         if test x$with_lazy_gc_thread_creation != xno ; then
3921                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3922         fi
3923 ], [with_lazy_gc_thread_creation=no])
3924
3925 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)], [], [with_cooperative_gc=default])
3926
3927 if test x$with_cooperative_gc = xdefault; then
3928         with_cooperative_gc=$with_cooperative_gc_default
3929 fi
3930
3931 if test x$with_cooperative_gc != xno; then
3932         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3933 fi
3934
3935 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3936
3937 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],[
3938
3939         if test x$enable_checked_build != x ; then
3940                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3941         fi
3942         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3943                 eval "mono_checked_build_test_enable_$feature='yes'"
3944         done
3945
3946         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3947                 eval "mono_checked_build_test_enable_gc='yes'"
3948                 eval "mono_checked_build_test_enable_metadata='yes'"
3949                 eval "mono_checked_build_test_enable_thread='yes'"
3950         fi
3951
3952         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3953                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3954         fi
3955
3956         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3957                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3958         fi
3959
3960         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3961                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3962         fi
3963
3964 ], [])
3965
3966 AC_CHECK_HEADER([malloc.h],
3967                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3968                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3969
3970 if test x"$GCC" = xyes; then
3971         # Implicit function declarations are not 64 bit safe
3972         # Do this late, since this causes lots of configure tests to fail
3973         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3974         # jay has a lot of implicit declarations
3975         JAY_CFLAGS="-Wno-implicit-function-declaration"
3976 fi
3977
3978 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3979 # instead of libmono-static.a
3980 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3981    LIBMONO_LA=libmini-static.la
3982 else
3983    if test x$buildsgen = xyes; then
3984       LIBMONO_LA=libmonosgen-$API_VER.la
3985    else
3986       LIBMONO_LA=libmonoboehm-$API_VER.la
3987    fi
3988 fi
3989 AC_SUBST(LIBMONO_LA)
3990
3991 dnl **************
3992 dnl ***  Btls  ***
3993 dnl **************
3994
3995 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3996 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3997
3998 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3999
4000 btls_android=no
4001 if test "x$enable_btls" = "xyes"; then
4002         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4003         if test "x$CMAKE" = "xno"; then
4004                 AC_MSG_ERROR("cmake not found")
4005         fi
4006
4007         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4008         AC_SUBST(BTLS_ROOT)
4009
4010         btls_arch=
4011         btls_cflags=
4012         BTLS_CMAKE_ARGS=
4013
4014         case "$BTLS_PLATFORM" in
4015         i386)
4016                 btls_arch=i386
4017                 btls_cflags="-m32"
4018                 case $host_os in
4019                         darwin*)
4020                                 btls_cflags="$btls_cflags -arch i386"
4021                 esac
4022                 ;;
4023         x86_64)
4024                 btls_arch=x86_64
4025                 ;;
4026         arm)
4027                 btls_arch=arm
4028                 ;;
4029         armsoft)
4030                 btls_arch=arm
4031                 btls_cflags="-DOPENSSL_NO_ASM=1"
4032                 ;;
4033         aarch64)
4034                 btls_arch=aarch64
4035                 ;;
4036         android-armv5)
4037                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4038                 ;;
4039         android-armv6)
4040                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4041                 ;;
4042         android-armv7)
4043                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4044                 ;;
4045         android-v8a)
4046                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4047                 ;;
4048         android-x86)
4049                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4050                 ;;
4051         android-x64)
4052                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4053                 ;;
4054         *)
4055                 AC_MSG_ERROR(Invalid BTLS platform)
4056         esac
4057
4058         if test "x$platform_android" = "xyes"; then
4059                 btls_android=yes
4060                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4061                 if test "x$with_btls_android_ndk" != "x"; then
4062                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4063                 else
4064                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4065                 fi
4066         fi
4067
4068         if test "x$btls_arch" != "x"; then
4069                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4070         fi
4071
4072         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4073         AC_SUBST(BTLS_ARCH)
4074         AC_SUBST(BTLS_CFLAGS)
4075         AC_SUBST(BTLS_PLATFORM)
4076         AC_SUBST(BTLS_CMAKE_ARGS)
4077
4078         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4079 else
4080         enable_btls=no
4081 fi
4082
4083 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4084
4085 if test x$DISABLE_MCS_DOCS = xyes; then
4086    docs_dir=""
4087 else
4088    docs_dir=docs
4089 fi
4090 AC_SUBST(docs_dir)
4091
4092 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4093 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4094
4095 libmono_ldflags="$libmono_ldflags $LIBS"
4096
4097 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4098 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4099 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4100 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4101 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4102 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4103 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4104 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4105 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4106 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4107 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4108 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4109 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4110 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4111 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4112 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4113 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4114
4115 AC_SUBST(LIBC)
4116 AC_SUBST(INTL)
4117 AC_SUBST(SQLITE)
4118 AC_SUBST(SQLITE3)
4119 AC_SUBST(X11)
4120 AC_SUBST(GDKX11)
4121 AC_SUBST(GTKX11)
4122 AC_SUBST(XINERAMA)
4123 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4124 AC_SUBST(arch_target)
4125 AC_SUBST(CFLAGS)
4126 AC_SUBST(CPPFLAGS)
4127 AC_SUBST(LDFLAGS)
4128
4129 #This must always be defined when building the runtime
4130 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4131
4132 mono_build_root=`pwd`
4133 AC_SUBST(mono_build_root)
4134
4135 mono_runtime=mono/mini/mono
4136 AC_SUBST(mono_runtime)
4137
4138 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.0/tools/csc.exe
4139
4140 if test $csc_compiler = mcs; then
4141   CSC=$mcs_topdir/class/lib/build/mcs.exe
4142 else
4143   CSC=$CSC_LOCATION
4144 fi
4145
4146 mono_cfg_root=$mono_build_root/runtime
4147 if test x$host_win32 = xyes; then
4148   if test "x$cross_compiling" = "xno"; then
4149     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4150     CSC=`cygpath -m -a $CSC`
4151     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4152   else
4153     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4154   fi
4155 else
4156   mono_cfg_dir=$mono_cfg_root/etc
4157 fi
4158 AC_SUBST(mono_cfg_dir)
4159
4160 AC_SUBST(CSC)
4161
4162 AC_CONFIG_FILES([po/mcs/Makefile.in])
4163
4164 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4165 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4166
4167 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4168 [   depth=../../../..
4169     case $srcdir in
4170     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4171     .) reldir=$depth ;;
4172     *) reldir=$depth/$srcdir ;;
4173     esac
4174     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4175     cd runtime/etc/mono/1.0
4176     rm -f machine.config
4177     $LN_S $reldir/data/net_1_1/machine.config machine.config
4178     cd $depth
4179 ],[LN_S='$LN_S'])
4180
4181 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4182 [   depth=../../../..
4183     case $srcdir in
4184     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4185     .) reldir=$depth ;;
4186     *) reldir=$depth/$srcdir ;;
4187     esac
4188     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4189     cd runtime/etc/mono/2.0
4190     rm -f machine.config
4191     $LN_S $reldir/data/net_2_0/machine.config machine.config
4192     cd $depth
4193 ],[LN_S='$LN_S'])
4194
4195 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4196 [   depth=../../../..
4197     case $srcdir in
4198     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4199     .) reldir=$depth ;;
4200     *) reldir=$depth/$srcdir ;;
4201     esac
4202     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4203     cd runtime/etc/mono/2.0
4204     rm -f web.config
4205     $LN_S $reldir/data/net_2_0/web.config web.config
4206     cd $depth
4207 ],[LN_S='$LN_S'])
4208
4209 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4210 [   depth=../../..
4211     case $srcdir in
4212     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4213     .) reldir=$depth ;;
4214     *) reldir=$depth/$srcdir ;;
4215     esac
4216     $ac_aux_dir/install-sh -d runtime/etc/mono/
4217     cd runtime/etc/mono/
4218     rm -f browscap.ini
4219     $LN_S $reldir/data/browscap.ini browscap.ini
4220     cd $depth
4221 ],[LN_S='$LN_S'])
4222
4223 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4224 [   depth=../../../../..
4225     case $srcdir in
4226     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4227     .) reldir=$depth ;;
4228     *) reldir=$depth/$srcdir ;;
4229     esac
4230     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4231     cd runtime/etc/mono/2.0/Browsers
4232     rm -f Compat.browser
4233     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4234     cd $depth
4235 ],[LN_S='$LN_S'])
4236
4237 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4238 [   depth=../../../../..
4239     case $srcdir in
4240     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4241     .) reldir=$depth ;;
4242     *) reldir=$depth/$srcdir ;;
4243     esac
4244     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4245     cd runtime/etc/mono/4.0/Browsers
4246     rm -f Compat.browser
4247     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4248     cd $depth
4249 ],[LN_S='$LN_S'])
4250
4251 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4252 [   depth=../../../../..
4253     case $srcdir in
4254     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4255     .) reldir=$depth ;;
4256     *) reldir=$depth/$srcdir ;;
4257     esac
4258     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4259     cd runtime/etc/mono/4.5/Browsers
4260     rm -f Compat.browser
4261     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4262     cd $depth
4263 ],[LN_S='$LN_S'])
4264
4265 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4266 [   depth=../../../..
4267     case $srcdir in
4268     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4269     .) reldir=$depth ;;
4270     *) reldir=$depth/$srcdir ;;
4271     esac
4272     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4273     cd runtime/etc/mono/4.0
4274     rm -f machine.config
4275     $LN_S $reldir/data/net_4_0/machine.config machine.config
4276     cd $depth
4277 ],[LN_S='$LN_S'])
4278
4279 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4280 [   depth=../../../..
4281     case $srcdir in
4282     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4283     .) reldir=$depth ;;
4284     *) reldir=$depth/$srcdir ;;
4285     esac
4286     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4287     cd runtime/etc/mono/4.0
4288     rm -f web.config
4289     $LN_S $reldir/data/net_4_0/web.config web.config
4290     cd $depth
4291 ],[LN_S='$LN_S'])
4292
4293 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4294 [   depth=../../../..
4295     case $srcdir in
4296     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4297     .) reldir=$depth ;;
4298     *) reldir=$depth/$srcdir ;;
4299     esac
4300     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4301     cd runtime/etc/mono/4.5
4302     rm -f machine.config
4303     $LN_S $reldir/data/net_4_5/machine.config machine.config
4304     cd $depth
4305 ],[LN_S='$LN_S'])
4306
4307 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4308 [   depth=../../../..
4309     case $srcdir in
4310     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4311     .) reldir=$depth ;;
4312     *) reldir=$depth/$srcdir ;;
4313     esac
4314     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4315     cd runtime/etc/mono/4.5
4316     rm -f web.config
4317     $LN_S $reldir/data/net_4_5/web.config web.config
4318     cd $depth
4319 ],[LN_S='$LN_S'])
4320
4321 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])
4322 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])
4323
4324 AC_OUTPUT([
4325 Makefile
4326 mono-uninstalled.pc
4327 acceptance-tests/Makefile
4328 llvm/Makefile
4329 scripts/mono-find-provides
4330 scripts/mono-find-requires
4331 mono/Makefile
4332 mono/btls/Makefile
4333 mono/utils/Makefile
4334 mono/metadata/Makefile
4335 mono/dis/Makefile
4336 mono/cil/Makefile
4337 mono/arch/Makefile
4338 mono/arch/x86/Makefile
4339 mono/arch/amd64/Makefile
4340 mono/arch/ppc/Makefile
4341 mono/arch/sparc/Makefile
4342 mono/arch/s390x/Makefile
4343 mono/arch/arm/Makefile
4344 mono/arch/arm64/Makefile
4345 mono/arch/mips/Makefile
4346 mono/sgen/Makefile
4347 mono/tests/Makefile
4348 mono/tests/tests-config
4349 mono/tests/gc-descriptors/Makefile
4350 mono/tests/testing_gac/Makefile
4351 mono/unit-tests/Makefile
4352 mono/benchmark/Makefile
4353 mono/mini/Makefile
4354 mono/profiler/Makefile
4355 m4/Makefile
4356 ikvm-native/Makefile
4357 scripts/Makefile
4358 man/Makefile
4359 docs/Makefile
4360 data/Makefile
4361 data/net_2_0/Makefile
4362 data/net_4_0/Makefile
4363 data/net_4_5/Makefile
4364 data/net_2_0/Browsers/Makefile
4365 data/net_4_0/Browsers/Makefile
4366 data/net_4_5/Browsers/Makefile
4367 data/mint.pc
4368 data/mono-2.pc
4369 data/monosgen-2.pc
4370 data/mono.pc
4371 data/mono-cairo.pc
4372 data/mono-nunit.pc
4373 data/mono-options.pc
4374 data/mono-lineeditor.pc
4375 data/monodoc.pc
4376 data/dotnet.pc
4377 data/dotnet35.pc
4378 data/wcf.pc
4379 data/cecil.pc
4380 data/system.web.extensions_1.0.pc
4381 data/system.web.extensions.design_1.0.pc
4382 data/system.web.mvc.pc
4383 data/system.web.mvc2.pc
4384 data/system.web.mvc3.pc
4385 data/aspnetwebstack.pc
4386 data/reactive.pc
4387 samples/Makefile
4388 support/Makefile
4389 data/config
4390 tools/Makefile
4391 tools/locale-builder/Makefile
4392 tools/sgen/Makefile
4393 tools/monograph/Makefile
4394 tools/pedump/Makefile
4395 runtime/Makefile
4396 msvc/Makefile
4397 po/Makefile
4398 ])
4399
4400 # Update all submodules recursively to ensure everything is checked out
4401 $srcdir/scripts/update_submodules.sh
4402
4403 if test x$host_win32 = xyes; then
4404    # Get rid of 'cyg' prefixes in library names
4405    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4406    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4407    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4408    # executable doesn't work...
4409    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4410 fi
4411
4412 if test x$host_darwin = xyes; then
4413    # This doesn't seem to be required and it slows down parallel builds
4414    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4415 fi
4416
4417 (
4418   case $prefix in
4419   NONE) prefix=$ac_default_prefix ;;
4420   esac
4421   case $exec_prefix in
4422   NONE) exec_prefix='${prefix}' ;;
4423   esac
4424
4425   #
4426   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4427   # any existing config.make.  This allows people to share the same source tree
4428   # with different build directories, one native and one cross
4429   #
4430   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4431
4432     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4433
4434     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4435     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4436     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4437     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4438     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4439     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4440     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4441     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4442     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4443
4444     case $INSTALL in
4445     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4446     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4447     esac
4448
4449     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4450
4451     export VERSION
4452     [myver=$($AWK 'BEGIN {
4453       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4454       if(length(vsplit [1]) > 4) {
4455         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4456       }
4457       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4458     }')]
4459
4460     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4461     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4462
4463     if test x$host_darwin = xyes; then
4464       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4465     elif test x$host_win32 = xyes; then
4466       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4467     else
4468       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4469     fi
4470
4471     if test x$host_darwin = xyes; then
4472       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4473     elif test x$host_win32 = xyes; then
4474       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4475     else
4476       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4477     fi
4478
4479     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4480       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4481     fi
4482
4483         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4484            enable_system_aot=yes
4485         fi
4486
4487     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4488       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4489     fi
4490
4491     if test x$DISABLE_MCS_DOCS = xyes; then
4492       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4493     fi
4494
4495     if test x$has_extension_module != xno; then
4496         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4497     fi
4498
4499     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4500
4501     if test "x$test_bcl_opt" = "xyes"; then
4502       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4503     fi
4504
4505     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4506
4507     if test $csc_compiler = mcs; then
4508       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4509     fi
4510
4511     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4512       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4513       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4514     fi
4515
4516     if test "x$enable_btls" = "xyes"; then
4517       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4518     fi
4519
4520   fi
4521
4522 )
4523
4524 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4525
4526 btls_platform_string=
4527 if test x$enable_btls = xyes; then
4528         if test x$btls_android = xyes; then
4529                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4530         else
4531                 btls_platform_string=" ($BTLS_PLATFORM)"
4532         fi
4533 fi
4534
4535 echo "
4536         mcs source:    $mcsdir
4537         C# Compiler:   $csc_compiler
4538
4539    Engine:
4540         Host:          $host
4541         Target:        $target
4542         GC:            $gc_msg
4543         TLS:           $with_tls
4544         SIGALTSTACK:   $with_sigaltstack
4545         Engine:        $jit_status
4546         BigArrays:     $enable_big_arrays
4547         DTrace:        $enable_dtrace
4548         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4549         Interpreter:   $enable_interpreter
4550
4551    Libraries:
4552         .NET 4.x:        $with_profile4_x
4553         Xamarin.Android: $with_monodroid
4554         Xamarin.iOS:     $with_monotouch
4555         Xamarin.WatchOS: $with_monotouch_watch
4556         Xamarin.TVOS:    $with_monotouch_tv
4557         Xamarin.Mac:     $with_xammac
4558         Windows AOT:     $with_winaot
4559         Orbis:           $with_orbis
4560         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4561         JNI support:     $jdk_headers_found
4562         libgdiplus:      $libgdiplus_msg
4563         zlib:            $zlib_msg
4564         BTLS:            $enable_btls$btls_platform_string
4565         $disabled
4566 "
4567 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4568    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4569 fi