configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [5.7.0],
   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=0
  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=$CFLAGS
  70 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  71 CFLAGS_FOR_BTLS=$CFLAGS
  72
  73 # libgc uses some deprecated APIs
  74 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  75
  76 #
  77 # These are the flags that need to be stored in the mono.pc file for
  78 # compiling code that will embed Mono
  79 #
  80 libmono_cflags=""
  81 libmono_ldflags=""
  82 AC_SUBST(libmono_cflags)
  83 AC_SUBST(libmono_ldflags)
  84
  85 # Variable to have relocatable .pc files (lib, or lib64)
  86 # realpath isn't always available, and requires that all but the tip of the provided
  87 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  88 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  89 # too deep for the old method to work
  90 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  91 AC_SUBST(reloc_libdir)
  92
  93 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  94 need_link_unlink=no
  95
  96 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  97 extra_runtime_ldflags=""
  98
  99 # Thread configuration inspired by sleepycat's db
 100 AC_MSG_CHECKING([host platform characteristics])
 101 libgc_threads=no
 102 has_dtrace=no
 103 parallel_mark=yes
 104 ikvm_native=yes
 105
 106 host_win32=no
 107 target_win32=no
 108 platform_android=no
 109 host_darwin=no
 110 case "$host" in
 111         *-mingw*|*-*-cygwin*)
 112                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 113                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 114                 host_win32=yes
 115                 mono_cv_clang=no
 116                 if test "x$cross_compiling" = "xno"; then
 117                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 118                                 target_win32=yes
 119                         fi
 120                 else
 121                         if test "x$host" = "x$target"; then
 122                                 target_win32=yes
 123                         fi
 124                 fi
 125                 HOST_CC="gcc"
 126                 # Windows Vista or later is required
 127                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 128                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 129                 libmono_cflags="-mms-bitfields -mwindows"
 130                 libmono_ldflags="-mms-bitfields -mwindows"
 131                 libdl=
 132                 libgc_threads=win32
 133                 with_sigaltstack=no
 134                 with_tls=pthread
 135                 with_sgen_default_concurrent=yes
 136                 LN_S=cp
 137                 # This forces libgc to use the DllMain based thread registration code on win32
 138                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 139                 ;;
 140         *-*-*netbsd*)
 141                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 142                 libmono_cflags="-D_REENTRANT"
 143                 LDFLAGS="$LDFLAGS -pthread"
 144                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 145                 libmono_ldflags="-pthread"
 146                 need_link_unlink=yes
 147                 libdl="-ldl"
 148                 libgc_threads=pthreads
 149                 with_sigaltstack=no
 150                 use_sigposix=yes
 151                 with_sgen_default_concurrent=yes
 152                 ;;
 153         *-*-kfreebsd*-gnu)
 154                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 155                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 156                 libmono_ldflags="-lpthread -pthread"
 157                 libdl="-ldl"
 158                 libgc_threads=pthreads
 159                 need_link_unlink=yes
 160                 with_sigaltstack=no
 161                 use_sigposix=yes
 162                 with_sgen_default_concurrent=yes
 163                 ;;
 164         *-*-*freebsd*)
 165                 if test "x$PTHREAD_CFLAGS" = "x"; then
 166                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 167                         libmono_cflags=
 168                 else
 169                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 170                         libmono_cflags="$PTHREAD_CFLAGS"
 171                 fi
 172                 if test "x$PTHREAD_LIBS" = "x"; then
 173                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 174                         libmono_ldflags="-pthread"
 175                 else
 176                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 177                         libmono_ldflags="$PTHREAD_LIBS"
 178                 fi
 179                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 use_sigposix=yes
 185                 has_dtrace=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-*openbsd*)
 189                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 190                 if test "x$disable_munmap" != "xyes"; then
 191                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 192                 fi
 193                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 194                 LDFLAGS="$LDFLAGS -pthread"
 195                 need_link_unlink=yes
 196                 AC_DEFINE(PTHREAD_POINTER_ID)
 197                 libdl=
 198                 libgc_threads=pthreads
 199                 with_sigaltstack=no
 200                 use_sigposix=yes
 201                 with_sgen_default_concurrent=yes
 202                 ;;
 203         *-*-linux-android*)
 204                 platform_android=yes
 205                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 206                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 207
 208                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 209                 if test "x$disable_munmap" != "xyes"; then
 210                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 211                 fi
 212                 libmono_cflags="-D_REENTRANT"
 213                 libdl="-ldl"
 214                 libgc_threads=pthreads
 215                 use_sigposix=yes
 216
 217                 with_tls=pthread
 218                 with_sigaltstack=no
 219                 with_static_mono=no
 220
 221                 # Android doesn't support boehm, as it's missing <link.h>
 222                 support_boehm=no
 223                 with_gc=sgen
 224
 225                 # isinf(3) requires -lm; see isinf check below
 226                 LDFLAGS="$LDFLAGS -lm"
 227
 228                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 229                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 230                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 231                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 232                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 233
 234                 # to bypass the underscore linker check, can't work when cross-compiling
 235                 mono_cv_uscore=yes
 236                 mono_cv_clang=no
 237                 ;;
 238         *-*-linux*)
 239                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 240                 if test "x$disable_munmap" != "xyes"; then
 241                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 242                 fi
 243                 libmono_cflags="-D_REENTRANT"
 244                 libdl="-ldl"
 245                 libgc_threads=pthreads
 246                 use_sigposix=yes
 247                 if test "x$cross_compiling" != "xno"; then
 248                         # to bypass the underscore linker check, not
 249                         # available during cross-compilation
 250                         mono_cv_uscore=no
 251                 fi
 252                 case "$host" in
 253                 aarch64-*)
 254                         support_boehm=no
 255                         with_gc=sgen
 256                         ;;
 257                 powerpc*-*-linux*)
 258                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 259                         disable_munmap=yes
 260                         ;;
 261                 esac
 262                 with_sgen_default_concurrent=yes
 263                 ;;
 264         *-*-nacl*)
 265                 echo "nacl no longer supported."
 266                 exit 1
 267                 ;;
 268         *-*-hpux*)
 269                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 270                 # +ESdbgasm only valid on bundled cc on RISC
 271                 # silently ignored for ia64
 272                 if test $GCC != "yes"; then
 273                         CFLAGS="$CFLAGS +ESdbgasm"
 274                         # Arrange for run-time dereferencing of null
 275                         # pointers to produce a SIGSEGV signal.
 276                         LDFLAGS="$LDFLAGS -z"
 277                 fi
 278                 CFLAGS="$CFLAGS +ESdbgasm"
 279                 LDFLAGS="$LDFLAGS -z"
 280                 libmono_cflags="-D_REENTRANT"
 281                 libmono_ldflags="-lpthread"
 282                 libgc_threads=pthreads
 283                 need_link_unlink=yes
 284                 use_sigposix=yes
 285                 ;;
 286         *-*-solaris*)
 287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 288                 need_link_unlink=yes
 289                 libmono_cflags="-D_REENTRANT"
 290                 libgc_threads=pthreads
 291                 has_dtrace=yes
 292                 use_sigposix=yes
 293                 enable_solaris_tar_check=yes
 294                 ;;
 295         *-*-darwin*)
 296                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 297                 host_darwin=yes
 298                 target_mach=yes
 299                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 300                 libmono_cflags="-D_THREAD_SAFE"
 301                 need_link_unlink=yes
 302                 AC_DEFINE(PTHREAD_POINTER_ID)
 303                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 304                 libdl=
 305                 libgc_threads=pthreads
 306                 has_dtrace=yes
 307                 if test "x$cross_compiling" = "xyes"; then
 308                         has_broken_apple_cpp=yes
 309                 fi
 310                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 311                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 312                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 313                 case "$host" in
 314                         dnl Snow Leopard and newer config.guess reports as this
 315                         i*86-*-darwin*)
 316                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 317                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 318                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 319                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 320                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 321                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 323                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 324                                 with_sgen_default_concurrent=yes
 325                                 ;;
 326                         x*64-*-darwin*)
 327                                 with_sgen_default_concurrent=yes
 328                                 ;;
 329                         arm*-darwin*)
 330                                 has_dtrace=no
 331                                 ;;
 332                 esac
 333                 ;;
 334         *-*-haiku*)
 335                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 336                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 337                 libdl=
 338                 LIBS="$LIBS -lnetwork -ltextencoding"
 339                 need_link_unlink=yes
 340                 AC_DEFINE(PTHREAD_POINTER_ID)
 341                 dnl Haiku does not support static TLS with __thread
 342                 with_tls=pthread
 343                 dnl Boehm is too much work to backport Haiku support for
 344                 support_boehm=no
 345                 libgc_threads=pthreads
 346                 use_sigposix=yes
 347                 ;;
 348         *)
 349                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 350                 libdl="-ldl"
 351                 ;;
 352 esac
 353 AC_MSG_RESULT(ok)
 354
 355 if test x$need_link_unlink = xyes; then
 356    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 357 fi
 358
 359 if test x$host_win32 = xyes; then
 360    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 361 fi
 362
 363 if test x$target_win32 = xyes; then
 364    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 365 fi
 366
 367 # Defined for all targets/platforms using classic Windows API support.
 368 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 369 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 370
 371 AC_SUBST(extra_runtime_ldflags)
 372 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 373 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 374 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 375 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 376 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 377 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 378
 379 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 380 PLATFORM_AOT_SUFFIX=.dylib
 381 fi
 382
 383 if test -z "$PLATFORM_LINUX_TRUE"; then :
 384 PLATFORM_AOT_SUFFIX=.so
 385 fi
 386
 387 if test -z "$HOST_WIN32_TRUE"; then :
 388 PLATFORM_AOT_SUFFIX=.dll
 389 fi
 390
 391 AC_SUBST(PLATFORM_AOT_SUFFIX)
 392
 393 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 394
 395 AC_CHECK_TOOL(CC, gcc, gcc)
 396 AC_PROG_CC
 397 AC_CHECK_TOOL(CXX, g++, g++)
 398 AC_PROG_CXX
 399 AM_PROG_AS
 400 AC_PROG_INSTALL
 401 AC_PROG_AWK
 402 AM_PROG_CC_C_O
 403 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 404 : ${CCAS='$(CC)'}
 405 # Set ASFLAGS if not already set.
 406 : ${CCASFLAGS='$(CFLAGS)'}
 407 AC_SUBST(CCAS)
 408 AC_SUBST(CCASFLAGS)
 409
 410 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 411 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 412 if test "x$CXX" = "xg++"; then
 413         if test "x$GXX" != "xyes"; then
 414                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 415                 # are inside automake conditionals
 416                 AC_MSG_ERROR([You need to install g++])
 417         fi
 418 fi
 419
 420 dnl may require a specific autoconf version
 421 dnl AC_PROG_CC_FOR_BUILD
 422 dnl CC_FOR_BUILD not automatically detected
 423 CC_FOR_BUILD=$CC
 424 CFLAGS_FOR_BUILD=$CFLAGS
 425 BUILD_EXEEXT=
 426 if test "x$cross_compiling" = "xyes"; then
 427         CC_FOR_BUILD=cc
 428         CFLAGS_FOR_BUILD=
 429         BUILD_EXEEXT=""
 430 fi
 431 AC_SUBST(CC_FOR_BUILD)
 432 AC_SUBST(CFLAGS_FOR_BUILD)
 433 AC_SUBST(HOST_CC)
 434 AC_SUBST(BUILD_EXEEXT)
 435
 436 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 437 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 438
 439 # Set STDC_HEADERS
 440 AC_HEADER_STDC
 441 AC_LIBTOOL_WIN32_DLL
 442 # This causes monodis to not link correctly
 443 #AC_DISABLE_FAST_INSTALL
 444
 445 #lookup makedev() header
 446 AC_HEADER_MAJOR
 447
 448 AM_PROG_LIBTOOL
 449 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 450 DOLT
 451
 452 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 453 AC_SUBST(export_ldflags)
 454
 455 # Test whenever ld supports -version-script
 456 AC_PROG_LD
 457 AC_PROG_LD_GNU
 458
 459 AM_ICONV()
 460
 461 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)
 462 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)
 463 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 464                   [], [], [#include <stddef.h>
 465                   #include <sys/socket.h>
 466                   #include <linux/socket.h>])
 467
 468 AC_CHECK_HEADERS(sys/user.h, [], [],
 469 [
 470 #ifdef HAVE_SYS_PARAM_H
 471 # include <sys/param.h>
 472 #endif
 473 ])
 474
 475 AC_CHECK_HEADERS(linux/serial.h)
 476
 477 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 478 if test x$have_zlib = xyes; then
 479    AC_TRY_COMPILE([#include <zlib.h>], [
 480    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 481    return 0;
 482    #else
 483    #error No good zlib found
 484    #endif
 485    ],[
 486         AC_MSG_RESULT(Using system zlib)
 487         zlib_msg="system zlib"
 488         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 489    ],[
 490         AC_MSG_RESULT(Using embedded zlib)
 491         have_zlib=no
 492         zlib_msg="bundled zlib"
 493    ])
 494 fi
 495
 496 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 497 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 498
 499 # for mono/metadata/debug-symfile.c
 500 AC_CHECK_HEADERS(elf.h)
 501
 502 # for support
 503 AC_CHECK_HEADERS(poll.h)
 504 AC_CHECK_HEADERS(sys/poll.h)
 505 AC_CHECK_HEADERS(sys/wait.h)
 506 AC_CHECK_HEADERS(grp.h)
 507 AC_CHECK_HEADERS(syslog.h)
 508
 509 # for mono/dis
 510 AC_CHECK_HEADERS(wchar.h)
 511 AC_CHECK_HEADERS(ieeefp.h)
 512 AC_MSG_CHECKING(for isinf)
 513 AC_TRY_LINK([#include <math.h>], [
 514         int f = isinf (1.0);
 515 ], [
 516         AC_MSG_RESULT(yes)
 517         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 518 ], [
 519         # We'll have to use signals
 520         AC_MSG_RESULT(no)
 521 ])
 522 # mingw
 523 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 524         AC_TRY_LINK([#include <math.h>],
 525         [ _finite(0.0); ],
 526         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 527         AC_MSG_RESULT(no)))
 528
 529 # for Linux statfs support
 530 AC_CHECK_HEADERS(linux/magic.h)
 531
 532 # not 64 bit clean in cross-compile
 533 AC_CHECK_SIZEOF(void *, 4)
 534
 535 AC_CACHE_CHECK([for clang],
 536         mono_cv_clang,[
 537         AC_TRY_COMPILE([], [
 538                 #ifdef __clang__
 539                 #else
 540                 #error "FAILED"
 541                 #endif
 542                 return 0;
 543         ],
 544         [mono_cv_clang=yes],
 545         [mono_cv_clang=no],
 546         [])
 547 ])
 548
 549 AC_ARG_ENABLE(visibility-hidden,
 550 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 551    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 552
 553 WARN=''
 554 if test x"$GCC" = xyes; then
 555         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 556
 557                 # We require C99 with some GNU extensions, e.g. `linux` macro
 558                 CFLAGS="$CFLAGS -std=gnu99"
 559
 560                 # The runtime code does not respect ANSI C strict aliasing rules
 561                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 562
 563                 # We rely on signed overflow to behave
 564                 CFLAGS="$CFLAGS -fwrapv"
 565
 566                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 567                 if test x"$disable_visibility_hidden" = xno; then
 568                    # Don't export any symbols by default
 569                    SHARED_CFLAGS="-fvisibility=hidden"
 570                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 571                 fi
 572
 573                 ORIG_CFLAGS=$CFLAGS
 574                 # Check for the normal version, since gcc ignores unknown -Wno options
 575                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 576                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 577                 AC_TRY_COMPILE([],[
 578                                 return 0;
 579                 ], [
 580                    AC_MSG_RESULT(yes)
 581                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 582                 ], [
 583                    AC_MSG_RESULT(no)
 584                    CFLAGS=$ORIG_CFLAGS
 585                 ])
 586
 587                 if test "x$mono_cv_clang" = "xyes"; then
 588                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 589                    WARN="$WARN -Qunused-arguments"
 590                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 591                    # We rely on zero length arrays in structs
 592                    WARN="$WARN -Wno-zero-length-array"
 593                 fi
 594 else
 595         # The Sun Forte compiler complains about inline functions that access static variables
 596         # so disable all inlining.
 597         case "$host" in
 598         *-*-solaris*)
 599                 CFLAGS="$CFLAGS -Dinline="
 600                 ;;
 601         esac
 602 fi
 603 CFLAGS="$CFLAGS -g $WARN"
 604 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 605 CPPFLAGS="$CPPFLAGS -g $WARN"
 606
 607 # Where's the 'mcs' source tree?
 608 if test -d $srcdir/mcs; then
 609   mcsdir=mcs
 610 else
 611   mcsdir=../mcs
 612 fi
 613
 614 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 615         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 616                 mcsdir=$with_mcs_path
 617         fi
 618 )
 619
 620 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 621
 622 #
 623 # A sanity check to catch cases where the package was unpacked
 624 # with an ancient tar program (Solaris)
 625 #
 626 AC_ARG_ENABLE(solaris-tar-check,
 627 [  --disable-solaris-tar-check    disable solaris tar check],
 628    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 629
 630 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 631         AC_MSG_CHECKING(integrity of package)
 632         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 633         then
 634                 AC_MSG_RESULT(ok)
 635         else
 636                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 637                 AC_MSG_ERROR([$errorm])
 638         fi
 639 fi
 640
 641 if test "x$with_mcs_path" != "x"; then
 642 mcs_topdir=$(cd "$mcsdir" && pwd)
 643 mcs_topdir_from_srcdir=$mcs_topdir
 644 else
 645 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 646 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 647 fi
 648
 649 # Convert mcs_topdir* paths to Windows syntax.
 650 if test x$cross_compiling$host_win32 = xnoyes; then
 651   mcs_topdir=$(cygpath -m $mcs_topdir)
 652   case $mcs_topdir_from_srcdir in
 653     /cygdrive/*)
 654         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 655         ;;
 656   esac
 657 fi
 658
 659 AC_SUBST([mcs_topdir])
 660 AC_SUBST([mcs_topdir_from_srcdir])
 661
 662 # gettext: prepare the translation directories.
 663 # we do not configure the full gettext, as we consume it dynamically from C#
 664 AM_PO_SUBDIRS
 665
 666 if test "x$USE_NLS" = "xyes"; then
 667    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 668
 669    if test "x$HAVE_MSGFMT" = "xno"; then
 670           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 671    fi
 672 fi
 673
 674 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 675
 676 pkg_config_path=
 677 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 678         if test x$with_crosspkgdir = "x"; then
 679                 if test -s $PKG_CONFIG_PATH; then
 680                         pkg_config_path=$PKG_CONFIG_PATH
 681                 fi
 682         else
 683                 pkg_config_path=$with_crosspkgdir
 684                 PKG_CONFIG_PATH=$pkg_config_path
 685                 export PKG_CONFIG_PATH
 686         fi
 687 )
 688
 689 AC_CHECK_PROG(ninja, ninja, yes, no)
 690 AM_CONDITIONAL(NINJA, test x$ninja != xno)
 691
 692 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 693 if test x$werror_flag = xyes; then
 694         WERROR_CFLAGS="-Werror"
 695 fi
 696 AC_SUBST([WERROR_CFLAGS])
 697 AC_SUBST([SHARED_CFLAGS])
 698
 699 GLIB_CFLAGS='-I$(top_srcdir)/mono/eglib -I$(top_builddir)/mono/eglib'
 700 GLIB_LIBS='$(top_builddir)/mono/eglib/libeglib.la -lm'
 701
 702 AC_SUBST(GLIB_CFLAGS)
 703 AC_SUBST(GLIB_LIBS)
 704
 705 # Enable support for fast thread-local storage
 706 # Some systems have broken support, so we allow to disable it.
 707 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 708
 709 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 710 # This does not work on some platforms (bug #55253)
 711 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 712
 713 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 714 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 715 # Same as --with-shared_mono=no
 716 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 717
 718 if test "x$enable_static" = "xno"; then
 719    with_static_mono=no
 720 fi
 721
 722 if test "x$enable_shared" = "xno"; then
 723    with_shared_mono=no
 724 fi
 725
 726 if test "x$enable_libraries" = "xno"; then
 727    with_shared_mono=no
 728 fi
 729
 730 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 731
 732 if test "x$host_win32" = "xyes"; then
 733    # Boehm GC requires the runtime to be in its own dll
 734    with_static_mono=no
 735 fi
 736
 737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 740
 741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 744         ORIG_CFLAGS=$CFLAGS
 745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 747         AC_TRY_COMPILE([], [
 748                 return 0;
 749         ], [
 750            AC_MSG_RESULT(yes)
 751            # Pass it to libgc as well
 752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 753         ], [
 754            AC_MSG_RESULT(no)
 755            CFLAGS=$ORIG_CFLAGS
 756         ])
 757 fi
 758
 759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 760
 761 if test x$enable_small_config = xyes; then
 762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 764 fi
 765
 766 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=$enableval, enable_system_aot=default)
 767
 768 DISABLED_FEATURES=none
 769 csc_compiler=default
 770 endian=unknown
 771 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 772 AC_MSG_CHECKING([CSharp compiler to use])
 773 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 774    if test x$withval = xmcs; then
 775        csc_compiler=mcs
 776    elif test x$withval = xroslyn; then
 777        csc_compiler=roslyn
 778    elif test x$withval = xdefault; then
 779        :
 780    else
 781        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 782    fi
 783 ],[csc_compiler=default])
 784
 785 if test $csc_compiler = default; then
 786    if test $endian = big; then
 787       csc_compiler=mcs
 788    elif test $endian = little; then
 789       case "$host" in
 790         powerpc*) csc_compiler=mcs ;;
 791         *) csc_compiler=roslyn ;;
 792       esac
 793    else
 794       csc_compiler=mcs
 795    fi
 796 fi
 797 AC_MSG_RESULT($csc_compiler)
 798
 799 #
 800 # Set the build profiles and options before things which use them
 801 #
 802
 803 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])
 804 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 805 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 806 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])
 807 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])
 808 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 809 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 810 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])
 811 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])
 812 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 813 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 814 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
 815
 816
 817 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode,unreal   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 818
 819 dnl
 820 dnl Profile defaults
 821 dnl
 822 TEST_PROFILE=default
 823 enable_llvm_default=no
 824
 825 with_profile4_x_default=no
 826 with_monodroid_default=no
 827 with_monotouch_default=no
 828 with_monotouch_watch_default=no
 829 with_monotouch_tv_default=no
 830 with_xammac_default=no
 831 with_testing_aot_hybrid_default=no
 832 with_testing_aot_full_default=no
 833 with_winaot_default=no
 834 with_orbis_default=no
 835 with_unreal_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$with_runtime_preset = xall; then
 847    with_profile4_x_default=yes
 848    with_monodroid_default=yes
 849    with_monotouch_default=yes
 850    with_monotouch_watch_default=yes
 851    with_monotouch_tv_default=yes
 852    with_xammac_default=yes
 853    with_winaot_default=yes
 854    with_orbis_default=yes
 855    with_unreal_default=yes
 856 elif test x$with_runtime_preset = xfullaot; then
 857    DISABLE_MCS_DOCS_default=yes
 858    with_testing_aot_full_default=yes
 859    TEST_PROFILE=testing_aot_full
 860
 861    mono_feature_disable_com='yes'
 862    mono_feature_disable_remoting='yes'
 863    mono_feature_disable_reflection_emit_save='yes'
 864    mono_feature_disable_reflection_emit='yes'
 865    mono_feature_disable_appdomains='yes'
 866
 867    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 868
 869    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 870 elif test x$with_runtime_preset = xbitcode; then
 871    DISABLE_MCS_DOCS_default=yes
 872    with_testing_aot_full_default=yes
 873    with_bitcode_default=yes
 874    with_cooperative_gc_default=yes
 875    TEST_PROFILE=testing_aot_full
 876    enable_llvm_default=yes
 877
 878    mono_feature_disable_com='yes'
 879    mono_feature_disable_remoting='yes'
 880    mono_feature_disable_reflection_emit_save='yes'
 881    mono_feature_disable_reflection_emit='yes'
 882    mono_feature_disable_appdomains='yes'
 883
 884    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 885    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
 886 elif test x$with_runtime_preset = xhybridaot; then
 887    DISABLE_MCS_DOCS_default=yes
 888    with_testing_aot_hybrid_default=yes
 889    TEST_PROFILE=testing_aot_hybrid
 890
 891    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
 892    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
 893 elif test x$with_runtime_preset = xaot; then
 894    with_profile4_x_default=yes
 895
 896    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 897    AOT_RUN_FLAGS=""
 898
 899    DISABLE_MCS_DOCS_default=yes
 900 elif test x$with_runtime_preset = xwinaot; then
 901    DISABLE_MCS_DOCS_default=yes
 902    with_winaot_default=yes
 903    TEST_PROFILE=winaot
 904
 905    mono_feature_disable_com='yes'
 906    mono_feature_disable_remoting='yes'
 907    mono_feature_disable_reflection_emit_save='yes'
 908    mono_feature_disable_reflection_emit='yes'
 909    mono_feature_disable_appdomains='yes'
 910
 911    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 912    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 913 elif test x$with_runtime_preset = xorbis; then
 914    DISABLE_MCS_DOCS_default=yes
 915    with_orbis_default=yes
 916    TEST_PROFILE=orbis
 917
 918    mono_feature_disable_com='yes'
 919    mono_feature_disable_remoting='yes'
 920    mono_feature_disable_reflection_emit_save='yes'
 921    mono_feature_disable_reflection_emit='yes'
 922    mono_feature_disable_appdomains='yes'
 923
 924    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 925    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 926 elif test x$with_runtime_preset = xunreal; then
 927    DISABLE_MCS_DOCS_default=yes
 928    with_unreal_default=yes
 929    TEST_PROFILE=unreal
 930
 931    mono_feature_disable_com='yes'
 932    mono_feature_disable_remoting='yes'
 933    mono_feature_disable_appdomains='no'
 934
 935    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
 936    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
 937 else
 938    with_profile4_x_default=yes
 939 fi
 940
 941 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 942    AC_SUBST(AOT_BUILD_FLAGS)
 943    AC_SUBST(AOT_RUN_FLAGS)
 944    # For llvmonlycheck + fullaotcheck
 945    AC_SUBST(INVARIANT_AOT_OPTIONS)
 946 fi
 947
 948 AC_SUBST(TEST_PROFILE)
 949
 950 if test "x$with_profile4_x" = "xdefault"; then
 951    with_profile4_x=$with_profile4_x_default
 952 fi
 953 if test "x$with_monodroid" = "xdefault"; then
 954    with_monodroid=$with_monodroid_default
 955 fi
 956 if test "x$with_monotouch" = "xdefault"; then
 957    with_monotouch=$with_monotouch_default
 958 fi
 959 if test "x$with_monotouch_watch" = "xdefault"; then
 960    with_monotouch_watch=$with_monotouch_watch_default
 961 fi
 962 if test "x$with_monotouch_tv" = "xdefault"; then
 963    with_monotouch_tv=$with_monotouch_tv_default
 964 fi
 965 if test "x$with_bitcode" = "xdefault"; then
 966    with_bitcode=$with_bitcode_default
 967 fi
 968 if test "x$with_xammac" = "xdefault"; then
 969    with_xammac=$with_xammac_default
 970 fi
 971 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 972    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 973 fi
 974 if test "x$with_testing_aot_full" = "xdefault"; then
 975    with_testing_aot_full=$with_testing_aot_full_default
 976 fi
 977 if test "x$with_winaot" = "xdefault"; then
 978    with_winaot=$with_winaot_default
 979 fi
 980 if test "x$with_orbis" = "xdefault"; then
 981    with_orbis=$with_orbis_default
 982 fi
 983 if test "x$with_unreal" = "xdefault"; then
 984    with_unreal=$with_unreal_default
 985 fi
 986
 987
 988 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 989 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 990 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 991 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 992 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 993 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 994 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 995 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 996 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 997 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 998 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 999 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
1000 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
1001 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
1002
1003 default_profile=net_4_x
1004 if test -z "$INSTALL_MONODROID_TRUE"; then :
1005    default_profile=monodroid
1006 fi
1007 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1008    default_profile=monotouch
1009 fi
1010 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1011    default_profile=xammac
1012 fi
1013 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1014    default_profile=testing_aot_hybrid
1015 fi
1016 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1017    default_profile=testing_aot_full
1018 fi
1019 if test -z "$INSTALL_WINAOT_TRUE"; then :
1020    default_profile=winaot
1021 fi
1022 if test -z "$INSTALL_ORBIS_TRUE"; then :
1023    default_profile=orbis
1024 fi
1025 if test -z "$INSTALL_UNREAL_TRUE"; then :
1026    default_profile=unreal
1027 fi
1028 if test -z "$INSTALL_4_x_TRUE"; then :
1029    default_profile=net_4_x
1030 fi
1031 DEFAULT_PROFILE=$default_profile
1032 AC_SUBST(DEFAULT_PROFILE)
1033
1034 #
1035 # End build profile configuration
1036 #
1037
1038 if test x$USE_NLS = xprofile_default; then
1039
1040         AC_MSG_CHECKING([NLS used])
1041
1042         # We make the default value for USE_NLS
1043         # "no" on OSX because it isn't available on most
1044         # default OSX installs. The most common configurations will
1045         # all disable it, so this saves us typing.
1046         if test x$host_darwin = xyes; then
1047                 USE_NLS=no;
1048         else
1049                 USE_NLS=yes;
1050         fi
1051
1052         AC_SUBST([USE_NLS])
1053         AC_MSG_RESULT([$USE_NLS])
1054 fi
1055
1056 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1057      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1058      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1059          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1060 [
1061         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1062                 eval "mono_feature_disable_$feature='yes'"
1063         done
1064         DISABLED_FEATURES=$enable_minimal
1065         disabled="Disabled:      $enable_minimal"
1066 ],[])
1067
1068 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1069
1070 if test "x$mono_feature_disable_aot" = "xyes"; then
1071         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1072         enable_system_aot=no
1073         AC_MSG_NOTICE([Disabled AOT compiler])
1074 fi
1075
1076 if test "x$mono_feature_disable_profiler" = "xyes"; then
1077         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1078         AC_MSG_NOTICE([Disabled support for the profiler])
1079 fi
1080 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1081
1082 if test "x$mono_feature_disable_decimal" = "xyes"; then
1083         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1084         AC_MSG_NOTICE([Disabled support for decimal])
1085 fi
1086
1087 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1088         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1089         AC_MSG_NOTICE([Disabled support for P/Invoke])
1090 fi
1091
1092 if test "x$mono_feature_disable_debug" = "xyes"; then
1093         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1094         AC_MSG_NOTICE([Disabled support for runtime debugging])
1095 fi
1096
1097 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1098         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1099         mono_feature_disable_reflection_emit_save=yes
1100         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1101 fi
1102
1103 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1104         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1105         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1106 fi
1107
1108 if test "x$mono_feature_disable_large_code" = "xyes"; then
1109         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1110         AC_MSG_NOTICE([Disabled support for large assemblies])
1111 fi
1112
1113 if test "x$mono_feature_disable_logging" = "xyes"; then
1114         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1115         AC_MSG_NOTICE([Disabled support for logging])
1116 fi
1117
1118 if test "x$mono_feature_disable_com" = "xyes"; then
1119         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1120         AC_MSG_NOTICE([Disabled COM support])
1121 fi
1122
1123 if test "x$mono_feature_disable_ssa" = "xyes"; then
1124         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1125         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1126 fi
1127
1128 if test "x$mono_feature_disable_generics" = "xyes"; then
1129         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1130         AC_MSG_NOTICE([Disabled Generics Support])
1131 fi
1132
1133 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1134         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1135         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1136 fi
1137
1138 if test "x$mono_feature_disable_portability" = "xyes"; then
1139         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1140         AC_MSG_NOTICE([Disabled IO Portability layer])
1141 fi
1142
1143 if test "x$mono_feature_disable_attach" = "xyes"; then
1144         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1145         AC_MSG_NOTICE([Disabled agent attach])
1146 fi
1147
1148 if test "x$mono_feature_disable_verifier" = "xyes"; then
1149         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1150         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1151 fi
1152
1153 if test "x$mono_feature_disable_jit" = "xyes"; then
1154         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1155         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1156 fi
1157
1158 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1159
1160 if test "x$mono_feature_disable_simd" = "xyes"; then
1161         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1162         AC_MSG_NOTICE([Disabled SIMD support])
1163 fi
1164
1165 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1166         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1167         AC_MSG_NOTICE([Disabled Soft Debugger.])
1168 fi
1169
1170 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1171         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1172         AC_MSG_NOTICE([Disabled Performance Counters.])
1173 fi
1174 if test "x$mono_feature_disable_normalization" = "xyes"; then
1175         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1176         AC_MSG_NOTICE([Disabled String normalization support.])
1177 fi
1178
1179 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1180 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1181         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1182         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1183 fi
1184
1185 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1186         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1187         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1188 fi
1189
1190 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1191         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1192         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1193 fi
1194
1195 if test "x$mono_feature_disable_remoting" = "xyes"; then
1196         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1197         AC_MSG_NOTICE([Disabled remoting])
1198 fi
1199
1200 if test "x$mono_feature_disable_security" = "xyes"; then
1201         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1202         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1203 fi
1204
1205 if test "x$mono_feature_disable_lldb" = "xyes"; then
1206         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1207         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1208 fi
1209
1210 if test "x$mono_feature_disable_mdb" = "xyes"; then
1211         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1212         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1213 fi
1214
1215 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1216         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1217         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1218 fi
1219
1220 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1221         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1222         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1223 fi
1224
1225 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1226         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1227         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1228 fi
1229
1230 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1231         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1232         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1233 fi
1234
1235 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1236         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1237         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1238 fi
1239
1240 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1241 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1242
1243 has_extension_module=no
1244 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1245 [
1246         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1247                 if test x$extension = xdefault ; then
1248                         has_extension_module=yes;
1249                 fi
1250         done
1251         if test x$enable_extension_module = xyes; then
1252                 has_extension_module=yes;
1253         fi
1254 ], [])
1255
1256 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1257
1258 if test x$has_extension_module != xno ; then
1259         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1260         AC_MSG_NOTICE([Enabling mono extension module.])
1261 fi
1262
1263 # Deprecated
1264 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1265
1266 AC_MSG_CHECKING(for visibility __attribute__)
1267 AC_COMPILE_IFELSE([
1268         AC_LANG_SOURCE([[
1269                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1270                 int main () { doit (); return 0; }
1271         ]])
1272 ], [
1273    have_visibility_hidden=yes
1274    AC_MSG_RESULT(yes)
1275 ], [
1276    have_visibility_hidden=no
1277    AC_MSG_RESULT(no)
1278 ])
1279
1280 dnl
1281 dnl Boehm GC configuration
1282 dnl
1283
1284 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1285
1286 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1287 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1288
1289 if test "x$support_boehm" = "xyes"; then
1290
1291         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1292         if test x$enable_parallel_mark = xyes; then
1293                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1294         fi
1295
1296         gc_msg=""
1297         LIBGC_CPPFLAGS=
1298         LIBGC_LIBS=
1299         LIBGC_STATIC_LIBS=
1300         libgc_dir=
1301         case "x$libgc" in
1302                 xincluded)
1303                         if test "x$support_boehm" = "xyes"; then
1304                                 libgc_dir=libgc
1305                         fi
1306
1307                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1308                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1309                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1310
1311                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1312
1313                         if test x$target_win32 = xyes; then
1314                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1315                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1316                         fi
1317
1318                         gc_msg="Included Boehm GC with typed GC"
1319                         if test x$enable_parallel_mark = xyes; then
1320                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1321                                 gc_msg="$gc_msg and parallel mark"
1322                         else
1323                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1324                         fi
1325                         ;;
1326
1327                 xboehm|xbohem|xyes)
1328                         AC_MSG_WARN("External Boehm is no longer supported")
1329                         ;;
1330
1331                 xsgen)
1332                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1333                         ;;
1334
1335                 xnone)
1336                         AC_MSG_WARN("Compiling mono without GC.")
1337                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1338                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1339                         gc_msg="none"
1340                         ;;
1341                 *)
1342                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1343                         ;;
1344         esac
1345
1346         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1347         if test "x$large_heap" = "xyes"; then
1348            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1349         fi
1350
1351         AC_SUBST(LIBGC_CPPFLAGS)
1352         AC_SUBST(LIBGC_LIBS)
1353         AC_SUBST(LIBGC_STATIC_LIBS)
1354         AC_SUBST(libgc_dir)
1355         AC_SUBST(BOEHM_DEFINES)
1356
1357 fi
1358 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1359
1360 dnl
1361 dnl End of Boehm GC Configuration
1362 dnl
1363
1364 dnl *************************************
1365 dnl *** Checks for zero length arrays ***
1366 dnl *************************************
1367 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1368 AC_TRY_COMPILE([
1369         struct s {
1370                 int  length;
1371                 char data [0];
1372         };
1373 ], [], [
1374         AC_MSG_RESULT(yes)
1375         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1376 ], [
1377         AC_MSG_RESULT(no)
1378         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1379 ])
1380
1381 dnl ***********************************
1382 dnl *** Checks for signals
1383 dnl ***********************************
1384 AC_CHECK_HEADERS(signal.h)
1385 AC_CHECK_FUNCS(sigaction)
1386 AC_CHECK_FUNCS(kill)
1387 AC_CHECK_FUNCS(signal)
1388
1389 # signal() is declared inline in Android headers
1390 # so we need to workaround it by overriding the check.
1391 if test x$platform_android = xyes; then
1392         AC_DEFINE(HAVE_SIGNAL,1)
1393 fi
1394
1395 if test x$host_win32 = xno; then
1396
1397         dnl hires monotonic clock support
1398         AC_SEARCH_LIBS(clock_gettime, rt)
1399         AC_CHECK_FUNCS(clock_nanosleep)
1400
1401         dnl dynamic loader support
1402         AC_CHECK_FUNC(dlopen, DL_LIB="",
1403                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1404         )
1405         if test x$dl_support = xno; then
1406                 AC_MSG_WARN([No dynamic loading support available])
1407         else
1408                 LIBS="$LIBS $DL_LIB"
1409                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1410                 dnl from glib's configure.ac
1411                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1412                         mono_cv_uscore,[
1413                         AC_TRY_RUN([#include <dlfcn.h>
1414                         int mono_underscore_test (void) { return 42; }
1415                         int main() {
1416                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1417                           handle = dlopen ((void*)0, 0);
1418                           if (handle) {
1419                             f1 = dlsym (handle, "mono_underscore_test");
1420                             f2 = dlsym (handle, "_mono_underscore_test");
1421                           } return (!f2 || f1);
1422                         }],
1423                                 [mono_cv_uscore=yes],
1424                                 [mono_cv_uscore=no],
1425                         [])
1426                 ])
1427                 if test "x$mono_cv_uscore" = "xyes"; then
1428                         MONO_DL_NEED_USCORE=1
1429                 else
1430                         MONO_DL_NEED_USCORE=0
1431                 fi
1432                 AC_SUBST(MONO_DL_NEED_USCORE)
1433                 AC_CHECK_FUNC(dlerror)
1434         fi
1435
1436         dnl ******************************************************************
1437         dnl *** Checks for the IKVM JNI interface library                  ***
1438         dnl ******************************************************************
1439         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])
1440
1441         ikvm_native_dir=
1442         if test x$with_ikvm_native = xyes; then
1443                 ikvm_native_dir=ikvm-native
1444                 jdk_headers_found="IKVM Native"
1445         fi
1446
1447         AC_SUBST(ikvm_native_dir)
1448
1449         AC_CHECK_HEADERS(execinfo.h)
1450
1451         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1452
1453         AC_CHECK_FUNCS(getgrgid_r)
1454         AC_CHECK_FUNCS(getgrnam_r)
1455         AC_CHECK_FUNCS(getresuid)
1456         AC_CHECK_FUNCS(setresuid)
1457         AC_CHECK_FUNCS(kqueue)
1458         AC_CHECK_FUNCS(backtrace_symbols)
1459         AC_CHECK_FUNCS(mkstemp)
1460         AC_CHECK_FUNCS(mmap)
1461         AC_CHECK_FUNCS(madvise)
1462         AC_CHECK_FUNCS(getrusage)
1463         AC_CHECK_FUNCS(getpriority)
1464         AC_CHECK_FUNCS(setpriority)
1465         AC_CHECK_FUNCS(dl_iterate_phdr)
1466         AC_CHECK_FUNCS(dladdr)
1467         AC_CHECK_FUNCS(sysconf)
1468         AC_CHECK_FUNCS(getrlimit)
1469         AC_CHECK_FUNCS(prctl)
1470
1471         AC_CHECK_FUNCS(sched_getaffinity)
1472         AC_CHECK_FUNCS(sched_setaffinity)
1473         AC_CHECK_FUNCS(sched_getcpu)
1474
1475         if test x$platform_android != xyes; then
1476                 AC_CHECK_FUNCS(getpwnam_r)
1477                 AC_CHECK_FUNCS(getpwuid_r)
1478         fi
1479
1480         dnl ****************************************************************
1481         dnl *** Check for sched_setaffinity from glibc versions before   ***
1482         dnl *** 2.3.4. The older versions of the function only take 2    ***
1483         dnl *** parameters, not 3.                                       ***
1484         dnl ***                                                          ***
1485         dnl *** Because the interface change was not made in a minor     ***
1486         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1487         dnl *** won't always indicate the interface sched_affinity has.  ***
1488         dnl ****************************************************************
1489         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1490         AC_TRY_COMPILE([#include <sched.h>], [
1491             int mask = 1;
1492             sched_setaffinity(0, &mask);
1493                         return 0;
1494         ], [
1495                 # Yes, we have it...
1496                 AC_MSG_RESULT(yes)
1497                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1498         ], [
1499                 # We have the new, three-parameter version
1500                 AC_MSG_RESULT(no)
1501         ])
1502         AC_TRY_COMPILE([#include <sched.h>], [
1503              CPU_COUNT((void *) 0);
1504         ], [
1505                 AC_MSG_RESULT(yes)
1506                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1507         ], [
1508                 # We have the new, three-parameter version
1509                 AC_MSG_RESULT(no)
1510         ])
1511
1512         dnl ******************************************************************
1513         dnl *** Check for large file support                               ***
1514         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1515         dnl ******************************************************************
1516
1517         # Check that off_t can represent 2**63 - 1 correctly, working around
1518         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1519         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1520         large_offt=no
1521         AC_DEFUN([LARGE_FILES], [
1522                 large_CPPFLAGS=$CPPFLAGS
1523                 CPPFLAGS="$CPPFLAGS $1"
1524                 AC_TRY_COMPILE([
1525                         #include <sys/types.h>
1526                         #include <limits.h>
1527                 ], [
1528                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1529                         #define COMPILE_TIME_ASSERT(pred) \
1530                                 switch(0){case 0:case pred:;}
1531                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1532                 ], [
1533                         AC_MSG_RESULT(ok)
1534                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1535                         large_CPPFLAGS="$large_CPPFLAGS $1"
1536                         large_offt=yes
1537                 ], [
1538                         AC_MSG_RESULT(no)
1539                 ])
1540                 CPPFLAGS=$large_CPPFLAGS
1541         ])
1542
1543         AC_MSG_CHECKING(if off_t is 64 bits wide)
1544         LARGE_FILES("")
1545         if test $large_offt = no; then
1546                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1547                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1548         fi
1549         if test $large_offt = no; then
1550                 AC_MSG_WARN([No 64 bit file size support available])
1551         fi
1552
1553         dnl *****************************
1554         dnl *** Checks for libsocket  ***
1555         dnl *****************************
1556         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1557
1558         case "$host" in
1559                 *-*-*freebsd*)
1560                         dnl *****************************
1561                         dnl *** Checks for libinotify ***
1562                         dnl *****************************
1563                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1564         esac
1565
1566         dnl *******************************
1567         dnl *** Checks for MSG_NOSIGNAL ***
1568         dnl *******************************
1569         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1570         AC_TRY_COMPILE([#include <sys/socket.h>], [
1571                 int f = MSG_NOSIGNAL;
1572         ], [
1573                 # Yes, we have it...
1574                 AC_MSG_RESULT(yes)
1575                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1576         ], [
1577                 # We'll have to use signals
1578                 AC_MSG_RESULT(no)
1579         ])
1580
1581         dnl *****************************
1582         dnl *** Checks for IPPROTO_IP ***
1583         dnl *****************************
1584         AC_MSG_CHECKING(for IPPROTO_IP)
1585         AC_TRY_COMPILE([#include <netinet/in.h>], [
1586                 int level = IPPROTO_IP;
1587         ], [
1588                 # Yes, we have it...
1589                 AC_MSG_RESULT(yes)
1590                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1591         ], [
1592                 # We'll have to use getprotobyname
1593                 AC_MSG_RESULT(no)
1594         ])
1595
1596         dnl *******************************
1597         dnl *** Checks for IPPROTO_IPV6 ***
1598         dnl *******************************
1599         AC_MSG_CHECKING(for IPPROTO_IPV6)
1600         AC_TRY_COMPILE([#include <netinet/in.h>], [
1601                 int level = IPPROTO_IPV6;
1602         ], [
1603                 # Yes, we have it...
1604                 AC_MSG_RESULT(yes)
1605                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1606         ], [
1607                 # We'll have to use getprotobyname
1608                 AC_MSG_RESULT(no)
1609         ])
1610
1611         dnl ******************************
1612         dnl *** Checks for IPPROTO_TCP ***
1613         dnl ******************************
1614         AC_MSG_CHECKING(for IPPROTO_TCP)
1615         AC_TRY_COMPILE([#include <netinet/in.h>], [
1616                 int level = IPPROTO_TCP;
1617         ], [
1618                 # Yes, we have it...
1619                 AC_MSG_RESULT(yes)
1620                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1621         ], [
1622                 # We'll have to use getprotobyname
1623                 AC_MSG_RESULT(no)
1624         ])
1625
1626         dnl *****************************
1627         dnl *** Checks for SOL_IP     ***
1628         dnl *****************************
1629         AC_MSG_CHECKING(for SOL_IP)
1630         AC_TRY_COMPILE([#include <netdb.h>], [
1631                 int level = SOL_IP;
1632         ], [
1633                 # Yes, we have it...
1634                 AC_MSG_RESULT(yes)
1635                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1636         ], [
1637                 # We'll have to use getprotobyname
1638                 AC_MSG_RESULT(no)
1639         ])
1640
1641         dnl *****************************
1642         dnl *** Checks for SOL_IPV6     ***
1643         dnl *****************************
1644         AC_MSG_CHECKING(for SOL_IPV6)
1645         AC_TRY_COMPILE([#include <netdb.h>], [
1646                 int level = SOL_IPV6;
1647         ], [
1648                 # Yes, we have it...
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1651         ], [
1652                 # We'll have to use getprotobyname
1653                 AC_MSG_RESULT(no)
1654         ])
1655
1656         dnl *****************************
1657         dnl *** Checks for SOL_TCP    ***
1658         dnl *****************************
1659         AC_MSG_CHECKING(for SOL_TCP)
1660         AC_TRY_COMPILE([#include <netdb.h>], [
1661                 int level = SOL_TCP;
1662         ], [
1663                 # Yes, we have it...
1664                 AC_MSG_RESULT(yes)
1665                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1666         ], [
1667                 # We'll have to use getprotobyname
1668                 AC_MSG_RESULT(no)
1669         ])
1670
1671         dnl *****************************
1672         dnl *** Checks for IP_PKTINFO ***
1673         dnl *****************************
1674         AC_MSG_CHECKING(for IP_PKTINFO)
1675         AC_TRY_COMPILE([#include <linux/in.h>], [
1676                 int level = IP_PKTINFO;
1677         ], [
1678                 # Yes, we have it...
1679                 AC_MSG_RESULT(yes)
1680                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1681         ], [
1682                 AC_MSG_RESULT(no)
1683         ])
1684
1685         dnl *****************************
1686         dnl *** Checks for IPV6_PKTINFO ***
1687         dnl *****************************
1688         AC_MSG_CHECKING(for IPV6_PKTINFO)
1689         AC_TRY_COMPILE([#include <netdb.h>], [
1690                 int level = IPV6_PKTINFO;
1691         ], [
1692                 # Yes, we have it...
1693                 AC_MSG_RESULT(yes)
1694                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1695         ], [
1696                 AC_MSG_RESULT(no)
1697         ])
1698
1699         dnl **********************************
1700         dnl *** Checks for IP_DONTFRAG     ***
1701         dnl **********************************
1702         AC_MSG_CHECKING(for IP_DONTFRAG)
1703         AC_TRY_COMPILE([#include <netinet/in.h>], [
1704                 int level = IP_DONTFRAG;
1705         ], [
1706                 # Yes, we have it...
1707                 AC_MSG_RESULT(yes)
1708                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1709         ], [
1710                 AC_MSG_RESULT(no)
1711         ])
1712
1713         dnl **********************************
1714         dnl *** Checks for IP_DONTFRAGMENT ***
1715         dnl **********************************
1716         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1717         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1718                 int level = IP_DONTFRAGMENT;
1719         ], [
1720                 # Yes, we have it...
1721                 AC_MSG_RESULT(yes)
1722                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1723         ], [
1724                 AC_MSG_RESULT(no)
1725         ])
1726
1727         dnl **********************************
1728         dnl *** Checks for IP_MTU_DISCOVER ***
1729         dnl **********************************
1730         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1731         AC_TRY_COMPILE([#include <linux/in.h>], [
1732                 int level = IP_MTU_DISCOVER;
1733         ], [
1734                 # Yes, we have it...
1735                 AC_MSG_RESULT(yes)
1736                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1737         ], [
1738                 AC_MSG_RESULT(no)
1739         ])
1740
1741         dnl **********************************
1742         dnl *** Checks for  IP_PMTUDISC_DO ***
1743         dnl **********************************
1744         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1745         AC_TRY_COMPILE([#include <linux/in.h>], [
1746                 int level = IP_PMTUDISC_DO;
1747         ], [
1748                 # Yes, we have it...
1749                 AC_MSG_RESULT(yes)
1750                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1751         ], [
1752                 AC_MSG_RESULT(no)
1753         ])
1754
1755         dnl *********************************
1756         dnl *** Check for struct ip_mreqn ***
1757         dnl *********************************
1758         AC_MSG_CHECKING(for struct ip_mreqn)
1759         AC_TRY_COMPILE([#include <netinet/in.h>], [
1760                 struct ip_mreqn mreq;
1761                 mreq.imr_address.s_addr = 0;
1762         ], [
1763                 # Yes, we have it...
1764                 AC_MSG_RESULT(yes)
1765                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1766         ], [
1767                 # We'll just have to try and use struct ip_mreq
1768                 AC_MSG_RESULT(no)
1769                 AC_MSG_CHECKING(for struct ip_mreq)
1770                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1771                         struct ip_mreq mreq;
1772                         mreq.imr_interface.s_addr = 0;
1773                 ], [
1774                         # Yes, we have it...
1775                         AC_MSG_RESULT(yes)
1776                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1777                 ], [
1778                         # No multicast support
1779                         AC_MSG_RESULT(no)
1780                 ])
1781         ])
1782
1783         dnl **********************************
1784         dnl *** Check for getaddrinfo ***
1785         dnl **********************************
1786         AC_MSG_CHECKING(for getaddrinfo)
1787                 AC_TRY_LINK([
1788                 #include <stdio.h>
1789                 #include <netdb.h>
1790         ], [
1791                 getaddrinfo(NULL,NULL,NULL,NULL);
1792         ], [
1793                 # Yes, we have it...
1794                 AC_MSG_RESULT(yes)
1795                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1796         ], [
1797                 AC_MSG_RESULT(no)
1798         ])
1799
1800         dnl **********************************
1801         dnl *** Check for gethostbyname2_r ***
1802         dnl **********************************
1803         AC_MSG_CHECKING(for gethostbyname2_r)
1804                 AC_TRY_LINK([
1805                 #include <stdio.h>
1806                 #include <netdb.h>
1807         ], [
1808
1809                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1810         ], [
1811                 # Yes, we have it...
1812                 AC_MSG_RESULT(yes)
1813                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1814         ], [
1815                 AC_MSG_RESULT(no)
1816         ])
1817
1818         dnl **********************************
1819         dnl *** Check for gethostbyname2 ***
1820         dnl **********************************
1821         AC_MSG_CHECKING(for gethostbyname2)
1822                 AC_TRY_LINK([
1823                 #include <stdio.h>
1824                 #include <netdb.h>
1825         ], [
1826                 gethostbyname2(NULL,0);
1827         ], [
1828                 # Yes, we have it...
1829                 AC_MSG_RESULT(yes)
1830                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1831         ], [
1832                 AC_MSG_RESULT(no)
1833         ])
1834
1835         dnl **********************************
1836         dnl *** Check for gethostbyname ***
1837         dnl **********************************
1838         AC_MSG_CHECKING(for gethostbyname)
1839                 AC_TRY_LINK([
1840                 #include <stdio.h>
1841                 #include <netdb.h>
1842         ], [
1843                 gethostbyname(NULL);
1844         ], [
1845                 # Yes, we have it...
1846                 AC_MSG_RESULT(yes)
1847                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1848         ], [
1849                 AC_MSG_RESULT(no)
1850         ])
1851
1852         dnl **********************************
1853         dnl *** Check for getprotobyname ***
1854         dnl **********************************
1855         AC_MSG_CHECKING(for getprotobyname)
1856                 AC_TRY_LINK([
1857                 #include <stdio.h>
1858                 #include <netdb.h>
1859         ], [
1860                 getprotobyname(NULL);
1861         ], [
1862                 # Yes, we have it...
1863                 AC_MSG_RESULT(yes)
1864                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1865         ], [
1866                 AC_MSG_RESULT(no)
1867         ])
1868
1869         dnl **********************************
1870         dnl *** Check for getnameinfo ***
1871         dnl **********************************
1872         AC_MSG_CHECKING(for getnameinfo)
1873                 AC_TRY_LINK([
1874                 #include <stdio.h>
1875                 #include <netdb.h>
1876         ], [
1877                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1878         ], [
1879                 # Yes, we have it...
1880                 AC_MSG_RESULT(yes)
1881                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1882         ], [
1883                 AC_MSG_RESULT(no)
1884         ])
1885
1886
1887         dnl **********************************
1888         dnl *** Check for inet_ntop ***
1889         dnl **********************************
1890         AC_MSG_CHECKING(for inet_ntop)
1891                 AC_TRY_LINK([
1892                 #include <stdio.h>
1893                 #include <arpa/inet.h>
1894         ], [
1895                 inet_ntop (0, NULL, NULL, 0);
1896         ], [
1897                 # Yes, we have it...
1898                 AC_MSG_RESULT(yes)
1899                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1900         ], [
1901                 AC_MSG_RESULT(no)
1902         ])
1903
1904         dnl *****************************
1905         dnl *** Checks for libnsl     ***
1906         dnl *****************************
1907         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1908
1909         AC_CHECK_FUNCS(inet_pton inet_aton)
1910
1911         dnl *****************************
1912         dnl *** Checks for libxnet    ***
1913         dnl *****************************
1914         case "${host}" in
1915                 *solaris* )
1916                         AC_MSG_CHECKING(for Solaris XPG4 support)
1917                         if test -f /usr/lib/libxnet.so; then
1918                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1919                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1920                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1921                                 LIBS="$LIBS -lxnet"
1922                                 AC_MSG_RESULT(yes)
1923                         else
1924                                 AC_MSG_RESULT(no)
1925                         fi
1926
1927                         if test "$GCC" = "yes"; then
1928                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1929                         fi
1930                 ;;
1931         esac
1932
1933         dnl *****************************
1934         dnl *** Checks for libpthread ***
1935         dnl *****************************
1936 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1937 # and libpthread does not exist
1938 #
1939         case "${host}" in
1940                 *-*-*haiku*)
1941                         dnl Haiku has pthread in libroot (libc equiv)
1942                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1943                 ;;
1944                 *-*-*freebsd*)
1945                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1946                 ;;
1947                 *-*-*openbsd*)
1948                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1949                 ;;
1950                 *)
1951                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1952                 ;;
1953         esac
1954         AC_CHECK_HEADERS(pthread.h)
1955         AC_CHECK_HEADERS(pthread_np.h)
1956         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1957         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1958         AC_CHECK_FUNCS(pthread_kill)
1959         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1960         AC_TRY_COMPILE([ #include <pthread.h>], [
1961                 pthread_mutexattr_t attr;
1962                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1963         ], [
1964                 AC_MSG_RESULT(ok)
1965         ], [
1966                 AC_MSG_RESULT(no)
1967                 AC_ERROR(Posix system lacks support for recursive mutexes)
1968         ])
1969         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1970         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1971         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1972
1973         dnl **********************************
1974         dnl *** Check for mincore ***
1975         dnl **********************************
1976         AC_MSG_CHECKING(for mincore)
1977                 AC_TRY_LINK([
1978                 #include <stdio.h>
1979                 #include <sys/types.h>
1980                 #include <sys/mman.h>
1981         ], [
1982                 mincore(NULL, 0, NULL);
1983         ], [
1984                 # Yes, we have it...
1985                 AC_MSG_RESULT(yes)
1986                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1987         ], [
1988                 AC_MSG_RESULT(no)
1989         ])
1990
1991         dnl ***********************************
1992         dnl *** Checks for working __thread ***
1993         dnl ***********************************
1994         AC_MSG_CHECKING(for working __thread)
1995         if test "x$with_tls" != "x__thread"; then
1996                 AC_MSG_RESULT(disabled)
1997         elif test "x$cross_compiling" = "xyes"; then
1998                 AC_MSG_RESULT(cross compiling, assuming yes)
1999         else
2000                 AC_TRY_RUN([
2001                         #if defined(__APPLE__) && defined(__clang__)
2002                         #error "__thread does not currently work with clang on Mac OS X"
2003                         #endif
2004
2005                         #include <pthread.h>
2006                         __thread int i;
2007                         static int res1, res2;
2008
2009                         void thread_main (void *arg)
2010                         {
2011                                 i = arg;
2012                                 sleep (1);
2013                                 if (arg == 1)
2014                                         res1 = (i == arg);
2015                                 else
2016                                         res2 = (i == arg);
2017                         }
2018
2019                         int main () {
2020                                 pthread_t t1, t2;
2021
2022                                 i = 5;
2023
2024                                 pthread_create (&t1, NULL, thread_main, 1);
2025                                 pthread_create (&t2, NULL, thread_main, 2);
2026
2027                                 pthread_join (t1, NULL);
2028                                 pthread_join (t2, NULL);
2029
2030                                 return !(res1 + res2 == 2);
2031                         }
2032                 ], [
2033                                 AC_MSG_RESULT(yes)
2034                 ], [
2035                                 AC_MSG_RESULT(no)
2036                                 with_tls=pthread
2037                 ])
2038         fi
2039
2040         dnl **************************************
2041         dnl *** Checks for working sigaltstack ***
2042         dnl **************************************
2043         AC_MSG_CHECKING(for working sigaltstack)
2044         if test "x$with_sigaltstack" != "xyes"; then
2045                 AC_MSG_RESULT(disabled)
2046         elif test "x$cross_compiling" = "xyes"; then
2047                 AC_MSG_RESULT(cross compiling, assuming yes)
2048         else
2049                 AC_TRY_RUN([
2050                         #include <stdio.h>
2051                         #include <stdlib.h>
2052                         #include <unistd.h>
2053                         #include <signal.h>
2054                         #include <pthread.h>
2055                         #include <sys/wait.h>
2056                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2057                         #define SA_STACK SA_ONSTACK
2058                         #endif
2059                         static void
2060                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2061                         {
2062                                 exit (0);
2063                         }
2064
2065                         volatile char*__ptr = NULL;
2066                         static void *
2067                         loop (void *ignored)
2068                         {
2069                                 *__ptr = 0;
2070                                 return NULL;
2071                         }
2072
2073                         static void
2074                         child ()
2075                         {
2076                                 struct sigaction sa;
2077                         #ifdef __APPLE__
2078                                 stack_t sas;
2079                         #else
2080                                 struct sigaltstack sas;
2081                         #endif
2082                                 pthread_t id;
2083                                 pthread_attr_t attr;
2084
2085                                 sa.sa_sigaction = sigsegv_signal_handler;
2086                                 sigemptyset (&sa.sa_mask);
2087                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2088                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2089                                         perror ("sigaction");
2090                                         return;
2091                                 }
2092
2093                                 /* x86 darwin deliver segfaults using SIGBUS */
2094                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2095                                         perror ("sigaction");
2096                                         return;
2097                                 }
2098                                 sas.ss_sp = malloc (SIGSTKSZ);
2099                                 sas.ss_size = SIGSTKSZ;
2100                                 sas.ss_flags = 0;
2101                                 if (sigaltstack (&sas, NULL) == -1) {
2102                                         perror ("sigaltstack");
2103                                         return;
2104                                 }
2105
2106                                 pthread_attr_init (&attr);
2107                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2108                                         printf ("pthread_create\n");
2109                                         return;
2110                                 }
2111
2112                                 sleep (100);
2113                         }
2114
2115                         int
2116                         main ()
2117                         {
2118                                 pid_t son;
2119                                 int status;
2120                                 int i;
2121
2122                                 son = fork ();
2123                                 if (son == -1) {
2124                                         return 1;
2125                                 }
2126
2127                                 if (son == 0) {
2128                                         child ();
2129                                         return 0;
2130                                 }
2131
2132                                 for (i = 0; i < 300; ++i) {
2133                                         waitpid (son, &status, WNOHANG);
2134                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2135                                                 return 0;
2136                                         usleep (10000);
2137                                 }
2138
2139                                 kill (son, SIGKILL);
2140                                 return 1;
2141                         }
2142
2143                 ], [
2144                                 AC_MSG_RESULT(yes)
2145                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2146                 ], [
2147                                 with_sigaltstack=no
2148                                 AC_MSG_RESULT(no)
2149                 ])
2150         fi
2151
2152         dnl ********************************
2153         dnl *** Checks for semaphore lib ***
2154         dnl ********************************
2155         # 'Real Time' functions on Solaris
2156         # posix4 on Solaris 2.6
2157         # pthread (first!) on Linux
2158         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2159
2160         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2161         AC_CHECK_FUNCS(shm_open)
2162
2163         dnl ********************************
2164         dnl *** Checks for timezone stuff **
2165         dnl ********************************
2166         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2167                 AC_TRY_COMPILE([
2168                         #include <time.h>
2169                         ], [
2170                         struct tm tm;
2171                         tm.tm_gmtoff = 1;
2172                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2173         if test $ac_cv_struct_tm_gmtoff = yes; then
2174                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2175         else
2176                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2177                         AC_TRY_COMPILE([
2178                                 #include <time.h>
2179                         ], [
2180                                 timezone = 1;
2181                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2182                 if test $ac_cv_var_timezone = yes; then
2183                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2184                 else
2185                         AC_ERROR(unable to find a way to determine timezone)
2186                 fi
2187         fi
2188
2189         dnl *********************************
2190         dnl *** Checks for math functions ***
2191         dnl *********************************
2192         AC_SEARCH_LIBS(sqrtf, m)
2193         if test "x$has_broken_apple_cpp" != "xyes"; then
2194                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2195                         AC_TRY_LINK([#include <math.h>],
2196                         [ finite(0.0); ],
2197                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2198                         AC_MSG_RESULT(no)))
2199         fi
2200         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2201                 AC_TRY_LINK([#include <math.h>],
2202                 [ isfinite(0.0); ],
2203                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2204                 AC_MSG_RESULT(no)))
2205
2206         dnl ****************************************************************
2207         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2208         dnl *** have it in the library (duh))                            ***
2209         dnl ****************************************************************
2210         AC_CHECK_FUNCS(poll)
2211
2212         dnl *************************
2213         dnl *** Check for signbit ***
2214         dnl *************************
2215         AC_MSG_CHECKING(for signbit)
2216         AC_TRY_LINK([#include <math.h>], [
2217                 int s = signbit(1.0);
2218         ], [
2219                 AC_MSG_RESULT(yes)
2220                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2221         ], [
2222                 AC_MSG_RESULT(no)
2223         ])
2224
2225         dnl **********************************
2226         dnl *** epoll                      ***
2227         dnl **********************************
2228         AC_CHECK_HEADERS(sys/epoll.h)
2229         haveepoll=no
2230         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2231         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2232                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2233         fi
2234
2235         havekqueue=no
2236
2237         AC_CHECK_HEADERS(sys/event.h)
2238         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2239
2240         dnl **************************************
2241         dnl * Darwin has a race that prevents us from using reliably:
2242         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2243         dnl * Since kqueue is mostly used for scaling large web servers,
2244         dnl * and very few folks run Mono on large web servers on OSX, falling
2245         dnl * back
2246         dnl **************************************
2247         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2248                 if test "x$host_darwin" = "xno"; then
2249                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2250                 fi
2251         fi
2252
2253         dnl ******************************
2254         dnl *** Checks for SIOCGIFCONF ***
2255         dnl ******************************
2256         AC_CHECK_HEADERS(sys/ioctl.h)
2257         AC_CHECK_HEADERS(net/if.h, [], [],
2258            [
2259            #ifdef HAVE_SYS_TYPES_H
2260            # include <sys/types.h>
2261            #endif
2262            #ifdef HAVE_SYS_SOCKET_H
2263            # include <sys/socket.h>
2264            #endif
2265            ])
2266         AC_MSG_CHECKING(for ifreq)
2267         AC_TRY_COMPILE([
2268                 #include <stdio.h>
2269                 #include <sys/ioctl.h>
2270                 #include <net/if.h>
2271                 ], [
2272                 struct ifconf ifc;
2273                 struct ifreq *ifr;
2274                 void *x;
2275                 ifc.ifc_len = 0;
2276                 ifc.ifc_buf = NULL;
2277                 x = (void *) &ifr->ifr_addr;
2278                 ],[
2279                         AC_MSG_RESULT(yes)
2280                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2281                 ], [
2282                         AC_MSG_RESULT(no)
2283                 ])
2284         dnl **********************************
2285         dnl ***     Checks for sin_len     ***
2286         dnl **********************************
2287         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2288         AC_TRY_COMPILE([
2289                 #include <netinet/in.h>
2290                 ], [
2291                 struct sockaddr_in saddr;
2292                 saddr.sin_len = sizeof (saddr);
2293                 ],[
2294                         AC_MSG_RESULT(yes)
2295                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2296                 ], [
2297                         AC_MSG_RESULT(no)
2298                 ])
2299         dnl **********************************
2300         dnl ***    Checks for sin6_len     ***
2301         dnl **********************************
2302         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2303         AC_TRY_COMPILE([
2304                 #include <netinet/in.h>
2305                 ], [
2306                 struct sockaddr_in6 saddr6;
2307                 saddr6.sin6_len = sizeof (saddr6);
2308                 ],[
2309                         AC_MSG_RESULT(yes)
2310                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2311                 ], [
2312                         AC_MSG_RESULT(no)
2313                 ])
2314         dnl **********************************
2315         dnl *** Check for getifaddrs       ***
2316         dnl **********************************
2317         AC_MSG_CHECKING(for getifaddrs)
2318                 AC_TRY_LINK([
2319                 #include <stdio.h>
2320                 #include <sys/types.h>
2321                 #include <sys/socket.h>
2322                 #include <ifaddrs.h>
2323         ], [
2324                 getifaddrs(NULL);
2325         ], [
2326                 # Yes, we have it...
2327                 AC_MSG_RESULT(yes)
2328                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2329         ], [
2330                 AC_MSG_RESULT(no)
2331         ])
2332         dnl **********************************
2333         dnl *** Check for if_nametoindex   ***
2334         dnl **********************************
2335         AC_MSG_CHECKING(for if_nametoindex)
2336                 AC_TRY_LINK([
2337                 #include <stdio.h>
2338                 #include <sys/types.h>
2339                 #include <sys/socket.h>
2340                 #include <net/if.h>
2341         ], [
2342                 if_nametoindex(NULL);
2343         ], [
2344                 # Yes, we have it...
2345                 AC_MSG_RESULT(yes)
2346                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2347         ], [
2348                 AC_MSG_RESULT(no)
2349         ])
2350
2351         dnl **********************************
2352         dnl *** Checks for proclib         ***
2353         dnl **********************************
2354         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.)])
2355         dnl **********************************
2356         dnl *** Checks for MonoPosixHelper ***
2357         dnl **********************************
2358         AC_CHECK_HEADERS(checklist.h)
2359         AC_CHECK_HEADERS(pathconf.h)
2360         AC_CHECK_HEADERS(fstab.h)
2361         AC_CHECK_HEADERS(attr/xattr.h)
2362         AC_CHECK_HEADERS(sys/extattr.h)
2363         AC_CHECK_HEADERS(sys/sendfile.h)
2364         AC_CHECK_HEADERS(sys/statvfs.h)
2365         AC_CHECK_HEADERS(sys/statfs.h)
2366         AC_CHECK_HEADERS(sys/vfstab.h)
2367         AC_CHECK_HEADERS(sys/xattr.h)
2368         AC_CHECK_HEADERS(sys/mman.h)
2369         AC_CHECK_HEADERS(sys/param.h)
2370         AC_CHECK_HEADERS(sys/mount.h, [], [],
2371                 [
2372                 #ifdef HAVE_SYS_PARAM_H
2373                 # include <sys/param.h>
2374                 #endif
2375                 ])
2376         AC_CHECK_HEADERS(sys/mount.h)
2377         AC_CHECK_FUNCS(confstr)
2378         AC_CHECK_FUNCS(seekdir telldir)
2379         AC_CHECK_FUNCS(getdomainname)
2380         AC_CHECK_FUNCS(setdomainname)
2381         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2382         AC_CHECK_FUNCS(setgroups)
2383         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2384         AC_CHECK_FUNCS(getfsstat)
2385         AC_CHECK_FUNCS(lutimes futimes)
2386         AC_CHECK_FUNCS(mremap)
2387         AC_CHECK_FUNCS(remap_file_pages)
2388         AC_CHECK_FUNCS(posix_fadvise)
2389         AC_CHECK_FUNCS(posix_fallocate)
2390         AC_CHECK_FUNCS(posix_madvise)
2391         AC_CHECK_FUNCS(vsnprintf)
2392         AC_CHECK_FUNCS(sendfile)
2393         AC_CHECK_FUNCS(gethostid sethostid)
2394         AC_CHECK_FUNCS(sethostname)
2395         AC_CHECK_FUNCS(statfs)
2396         AC_CHECK_FUNCS(fstatfs)
2397         AC_CHECK_FUNCS(statvfs)
2398         AC_CHECK_FUNCS(fstatvfs)
2399         AC_CHECK_FUNCS(stime)
2400         AC_CHECK_FUNCS(strerror_r)
2401         AC_CHECK_FUNCS(ttyname_r)
2402         AC_CHECK_FUNCS(psignal)
2403         AC_CHECK_FUNCS(getlogin_r)
2404         AC_CHECK_FUNCS(lockf)
2405         AC_CHECK_FUNCS(swab)
2406         AC_CHECK_FUNCS(setusershell endusershell)
2407         AC_CHECK_FUNCS(futimens utimensat)
2408         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2409         AC_CHECK_FUNCS(readv writev preadv pwritev)
2410         AC_CHECK_FUNCS(setpgid)
2411         AC_CHECK_FUNCS(system)
2412         AC_CHECK_FUNCS(fork execv execve)
2413         AC_CHECK_FUNCS(accept4)
2414         AC_CHECK_FUNCS(localtime_r)
2415         AC_CHECK_FUNCS(mkdtemp)
2416         AC_CHECK_SIZEOF(size_t)
2417         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2418                 [#include <sys/types.h>
2419                  #include <sys/stat.h>
2420                  #include <unistd.h>])
2421         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2422                 [#include <sys/types.h>
2423                  #include <sys/stat.h>
2424                  #include <unistd.h>])
2425         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2426                 [#include <sys/time.h>])
2427         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2428                 [#include <sys/socket.h>])
2429         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2430                 [#include <unistd.h>
2431                  #include <fcntl.h>])
2432         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2433                 [#include <sys/uio.h>])
2434         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2435                 [#include <sys/socket.h>])
2436         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2437                 [#include <sys/poll.h>])
2438         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2439                 [#include <sys/socket.h>])
2440         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2441                 [#include <sys/socket.h>])
2442         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2443                 [#include <netinet/in.h>])
2444         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2445                 [#include <netinet/in.h>])
2446         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2447                 [#include <sys/un.h>])
2448         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2449                 [#include <sys/types.h>
2450                  #include <sys/stat.h>
2451                  #include <unistd.h>])
2452         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2453                 [#include <time.h>])
2454         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2455                 [#include <sys/time.h>
2456                  #include <sys/types.h>
2457                  #include <utime.h>])
2458         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2459                 [#include <sys/time.h>])
2460         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2461                 [#include <sys/types.h>
2462                  #include <utime.h>])
2463         AC_CHECK_MEMBERS(
2464                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2465                 [#include <sys/types.h>
2466                  #include <dirent.h>])
2467         AC_CHECK_MEMBERS(
2468                 [struct passwd.pw_gecos],,,
2469                 [#include <sys/types.h>
2470                  #include <pwd.h>])
2471         AC_CHECK_MEMBERS(
2472                 [struct statfs.f_flags],,,
2473                 [#include <sys/types.h>
2474                  #include <sys/vfs.h>])
2475         AC_CHECK_MEMBERS(
2476                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2477                 [#include <sys/types.h>
2478                  #include <sys/stat.h>
2479                  #include <unistd.h>])
2480
2481         dnl Favour xattr through glibc, but use libattr if we have to
2482         AC_CHECK_FUNC(lsetxattr, ,
2483                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2484         )
2485         AC_SUBST(XATTR_LIB)
2486
2487         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2488         AC_CHECK_MEMBERS(
2489                 [struct kinfo_proc.kp_proc],,,
2490                 [#include <sys/types.h>
2491                  #include <sys/param.h>
2492                  #include <sys/sysctl.h>
2493                  #include <sys/proc.h>
2494                  ])
2495
2496         dnl *********************************
2497         dnl *** Checks for Windows compilation ***
2498         dnl *********************************
2499         AC_CHECK_HEADERS(sys/time.h)
2500         AC_CHECK_HEADERS(sys/param.h)
2501         AC_CHECK_HEADERS(dirent.h)
2502
2503         dnl ******************************************
2504         dnl *** Checks for OSX and iOS compilation ***
2505         dnl ******************************************
2506         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2507
2508         dnl *********************************
2509         dnl *** Check for Console 2.0 I/O ***
2510         dnl *********************************
2511         AC_CHECK_HEADERS([curses.h])
2512         AC_CHECK_HEADERS([term.h], [], [],
2513         [#if HAVE_CURSES_H
2514          #include <curses.h>
2515          #endif
2516         ])
2517         AC_CHECK_HEADERS([termios.h])
2518 else
2519         dnl *********************************
2520         dnl *** Checks for Windows compilation ***
2521         dnl *********************************
2522         AC_CHECK_HEADERS(winternl.h)
2523
2524         jdk_headers_found=no
2525         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2526         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2527         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2528         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2529         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2530         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2531         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2532
2533         dnl *********************************
2534         dnl *** Check for struct ip_mreqn ***
2535         dnl *********************************
2536         AC_MSG_CHECKING(for struct ip_mreqn)
2537         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2538                 struct ip_mreqn mreq;
2539                 mreq.imr_address.s_addr = 0;
2540         ], [
2541                 # Yes, we have it...
2542                 AC_MSG_RESULT(yes)
2543                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2544         ], [
2545                 # We'll just have to try and use struct ip_mreq
2546                 AC_MSG_RESULT(no)
2547                 AC_MSG_CHECKING(for struct ip_mreq)
2548                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2549                         struct ip_mreq mreq;
2550                         mreq.imr_interface.s_addr = 0;
2551                 ], [
2552                         # Yes, we have it...
2553                         AC_MSG_RESULT(yes)
2554                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2555                 ], [
2556                         # No multicast support
2557                         AC_MSG_RESULT(no)
2558                 ])
2559         ])
2560
2561         dnl **********************************
2562         dnl *** Check for getaddrinfo ***
2563         dnl **********************************
2564         AC_MSG_CHECKING(for getaddrinfo)
2565                 AC_TRY_LINK([
2566                 #include <stdio.h>
2567                 #include <winsock2.h>
2568                 #include <ws2tcpip.h>
2569         ], [
2570                 getaddrinfo(NULL,NULL,NULL,NULL);
2571         ], [
2572                 # Yes, we have it...
2573                 AC_MSG_RESULT(yes)
2574                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2575         ], [
2576                 AC_MSG_RESULT(no)
2577         ])
2578
2579         dnl **********************************
2580         dnl *** Check for gethostbyname ***
2581         dnl **********************************
2582         AC_MSG_CHECKING(for gethostbyname)
2583                 AC_TRY_LINK([
2584                 #include <stdio.h>
2585                 #include <winsock2.h>
2586                 #include <ws2tcpip.h>
2587         ], [
2588                 gethostbyname(NULL);
2589         ], [
2590                 # Yes, we have it...
2591                 AC_MSG_RESULT(yes)
2592                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2593         ], [
2594                 AC_MSG_RESULT(no)
2595         ])
2596
2597         dnl **********************************
2598         dnl *** Check for getprotobyname ***
2599         dnl **********************************
2600         AC_MSG_CHECKING(for getprotobyname)
2601                 AC_TRY_LINK([
2602                 #include <stdio.h>
2603                 #include <winsock2.h>
2604                 #include <ws2tcpip.h>
2605         ], [
2606                 getprotobyname(NULL);
2607         ], [
2608                 # Yes, we have it...
2609                 AC_MSG_RESULT(yes)
2610                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2611         ], [
2612                 AC_MSG_RESULT(no)
2613         ])
2614
2615         dnl **********************************
2616         dnl *** Check for getnameinfo ***
2617         dnl **********************************
2618         AC_MSG_CHECKING(for getnameinfo)
2619                 AC_TRY_LINK([
2620                 #include <stdio.h>
2621                 #include <winsock2.h>
2622                 #include <ws2tcpip.h>
2623         ], [
2624                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2625         ], [
2626                 # Yes, we have it...
2627                 AC_MSG_RESULT(yes)
2628                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2629         ], [
2630                 AC_MSG_RESULT(no)
2631         ])
2632
2633         dnl **********************************
2634         dnl *** Check for inet_ntop ***
2635         dnl **********************************
2636         AC_MSG_CHECKING(for inet_ntop)
2637                 AC_TRY_LINK([
2638                 #include <stdio.h>
2639                 #include <winsock2.h>
2640                 #include <ws2tcpip.h>
2641         ], [
2642                 inet_ntop (0, NULL, NULL, 0);
2643         ], [
2644                 # Yes, we have it...
2645                 AC_MSG_RESULT(yes)
2646                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2647         ], [
2648                 AC_MSG_RESULT(no)
2649         ])
2650
2651         dnl **********************************
2652         dnl *** Check for inet_pton ***
2653         dnl **********************************
2654         AC_MSG_CHECKING(for inet_pton)
2655                 AC_TRY_LINK([
2656                 #include <stdio.h>
2657                 #include <winsock2.h>
2658                 #include <ws2tcpip.h>
2659         ], [
2660                 #ifndef inet_pton
2661                 (void) inet_pton;
2662                 #endif
2663                 inet_pton (0, NULL, NULL);
2664         ], [
2665                 # Yes, we have it...
2666                 AC_MSG_RESULT(yes)
2667                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2668         ], [
2669                 AC_MSG_RESULT(no)
2670         ])
2671
2672         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2673         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2674         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2675         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2676         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2677         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2678         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2679 fi
2680
2681 dnl socklen_t check
2682 AC_MSG_CHECKING(for socklen_t)
2683 AC_TRY_COMPILE([
2684 #include <sys/types.h>
2685 #include <sys/socket.h>
2686 ],[
2687   socklen_t foo;
2688 ],[
2689 ac_cv_c_socklen_t=yes
2690         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2691         AC_MSG_RESULT(yes)
2692 ],[
2693         AC_MSG_RESULT(no)
2694 ])
2695
2696 AC_MSG_CHECKING(for array element initializer support)
2697 AC_TRY_COMPILE([#include <sys/socket.h>], [
2698         const int array[] = {[1] = 2,};
2699 ], [
2700         # Yes, we have it...
2701         AC_MSG_RESULT(yes)
2702         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2703 ], [
2704         # We'll have to use signals
2705         AC_MSG_RESULT(no)
2706 ])
2707
2708 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2709         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2710         AC_TRY_LINK([#include <math.h>],
2711         [ static void *p = &trunc; ],
2712         [
2713                 AC_DEFINE(HAVE_TRUNC)
2714                 AC_MSG_RESULT(yes)
2715                 ac_cv_trunc=yes
2716         ],
2717         AC_MSG_RESULT(no)))
2718
2719 if test "x$ac_cv_truncl" != "xyes"; then
2720    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2721 fi
2722
2723 AC_CHECK_FUNCS(execvp)
2724
2725 dnl ****************************
2726 dnl *** Look for /dev/random ***
2727 dnl ****************************
2728
2729 AC_MSG_CHECKING([if usage of random device is requested])
2730 AC_ARG_ENABLE(dev-random,
2731 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2732 try_dev_random=$enableval, try_dev_random=yes)
2733
2734 AC_MSG_RESULT($try_dev_random)
2735
2736 case "{$build}" in
2737     *-openbsd*)
2738     NAME_DEV_RANDOM="/dev/srandom"
2739     ;;
2740
2741 dnl Win32 does not have /dev/random, they have their own method...
2742
2743     *-mingw*|*-*-cygwin*)
2744     ac_cv_have_dev_random=no
2745     ;;
2746
2747 dnl Everywhere else, it's /dev/random
2748
2749     *)
2750     NAME_DEV_RANDOM="/dev/random"
2751     ;;
2752 esac
2753
2754 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2755
2756 dnl Now check if the device actually exists
2757
2758 if test "x$try_dev_random" = "xyes"; then
2759     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2760     [if test -r "$NAME_DEV_RANDOM" ; then
2761         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2762     if test "x$ac_cv_have_dev_random" = "xyes"; then
2763         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2764     fi
2765 else
2766     AC_MSG_CHECKING(for random device)
2767     ac_cv_have_dev_random=no
2768     AC_MSG_RESULT(has been disabled)
2769 fi
2770
2771 if test "x$host_win32" = "xyes"; then
2772     AC_DEFINE(HAVE_CRYPT_RNG)
2773 fi
2774
2775 if test "x$ac_cv_have_dev_random" = "xno" \
2776     && test "x$host_win32" = "xno"; then
2777     AC_MSG_WARN([[
2778 ***
2779 *** A system-provided entropy source was not found on this system.
2780 *** Because of this, the System.Security.Cryptography random number generator
2781 *** will throw a NotImplemented exception.
2782 ***
2783 *** If you are seeing this message, and you know your system DOES have an
2784 *** entropy collection in place, please contact <crichton@gimp.org> and
2785 *** provide information about the system and how to access the random device.
2786 ***
2787 *** Otherwise you can install either egd or prngd and set the environment
2788 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2789 ***]])
2790 fi
2791
2792 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2793
2794 AC_MSG_CHECKING([if big-arrays are to be enabled])
2795 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2796 if test "x$enable_big_arrays" = "xyes" ; then
2797     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2798         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2799     else
2800         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2801     fi
2802 fi
2803 AC_MSG_RESULT($enable_big_arrays)
2804
2805 dnl **************
2806 dnl *** DTRACE ***
2807 dnl **************
2808
2809 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2810
2811 if test "x$enable_dtrace" = "xyes"; then
2812    if test "x$has_dtrace" = "xno"; then
2813           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2814    fi
2815    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2816    if test "x$DTRACE" = "xno"; then
2817           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2818           enable_dtrace=no
2819    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2820           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2821           enable_dtrace=no
2822    fi
2823 fi
2824
2825 dtrace_g=no
2826 if test "x$enable_dtrace" = "xyes"; then
2827         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2828         DTRACEFLAGS=
2829         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2830                 case "$host" in
2831                         powerpc-*-darwin*)
2832                         DTRACEFLAGS="-arch ppc64"
2833                         ;;
2834                         i*86-*-darwin*)
2835                         DTRACEFLAGS="-arch x86_64"
2836                         ;;
2837                         *)
2838                         DTRACEFLAGS=-64
2839                         ;;
2840                 esac
2841         else
2842                 case "$host" in
2843                         powerpc-*-darwin*)
2844                         DTRACEFLAGS="-arch ppc"
2845                         ;;
2846                         i*86-*-darwin*)
2847                         DTRACEFLAGS="-arch i386"
2848                         ;;
2849                         *)
2850                         DTRACEFLAGS=-32
2851                         ;;
2852                 esac
2853         fi
2854         AC_SUBST(DTRACEFLAGS)
2855         case "$host" in
2856                 *-*-solaris*)
2857                 dtrace_g=yes
2858                 ;;
2859         esac
2860         AC_CHECK_HEADERS([sys/sdt.h])
2861 fi
2862 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2863 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2864
2865 dnl **************************
2866 dnl *** AOT cross offsets  ***
2867 dnl **************************
2868
2869 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2870     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2871
2872 dnl **************
2873 dnl ***  LLVM  ***
2874 dnl **************
2875
2876 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2877 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2878 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2879 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2880
2881 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2882
2883 if test "x$enable_llvm" = "xdefault"; then
2884    enable_llvm=$enable_llvm_default
2885 fi
2886
2887 if test "x$enable_llvm" = "xyes"; then
2888    if test "x$with_llvm" != "x"; then
2889           LLVM_CONFIG=$with_llvm/bin/llvm-config
2890           if test x$host_win32 = xyes; then
2891                 LLVM_CONFIG=$LLVM_CONFIG.exe
2892           fi
2893           if test ! -x $LLVM_CONFIG; then
2894                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2895       fi
2896    else
2897       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2898       if test "x$LLVM_CONFIG" = "xno"; then
2899              AC_MSG_ERROR([llvm-config not found.])
2900       fi
2901    fi
2902
2903    llvm_codegen="x86codegen"
2904    case "$target" in
2905    arm*)
2906                 llvm_codegen="armcodegen"
2907                 ;;
2908    esac
2909
2910    if test "x$host_win32" = "xno"; then
2911
2912    # Should be something like '2.6' or '2.7svn'
2913    llvm_version=`$LLVM_CONFIG --version`
2914    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2915    AC_MSG_CHECKING(LLVM version)
2916    AC_MSG_RESULT($llvm_version $llvm_api_version)
2917    if echo $llvm_version | grep -q 'mono'; then
2918           if test "x$enable_llvm_version_check" = "xyes"; then
2919                  if test "$llvm_version" != "$expected_llvm_version"; then
2920                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2921                  fi
2922           fi
2923    else
2924           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.])
2925    fi
2926
2927    # The output of --cflags seems to include optimizations flags too
2928    if test $llvm_api_version -gt 100; then
2929           # The --cflags argument includes all kinds of warnings -pendantic etc.
2930           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2931           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2932    else
2933           LLVM_CFLAGS=`$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'`
2934       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2935    fi
2936    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2937    # from LLVM classes.
2938    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2939    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2940    # This might include empty lines
2941    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2942    llvm_jit_supported=yes
2943    llvm_jit_libs="jit mcjit $llvm_codegen"
2944    if test "x$host" != "x$target"; then
2945       # No need for jit libs
2946           llvm_jit_supported=no
2947       llvm_jit_libs=""
2948    elif test $llvm_api_version -gt 100; then
2949       llvm_jit_libs="orcjit $llvm_codegen"
2950    fi
2951    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2952    if test "x$LLVM_LIBS" = "x"; then
2953           echo "$LLVM_CONFIG --libs failed."
2954           exit 1
2955    fi
2956    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2957    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2958    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2959       LLVM_LIBS="$LLVM_LIBS -lc++"
2960    else
2961       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2962    fi
2963
2964    expected_llvm_version="3.4svn-mono-mono/e656cac"
2965
2966    else
2967        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2968        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2969        LLVM_LDFLAGS="-L$with_llvm/lib"
2970        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2971        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2972          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2973          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2974          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2975          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2976          -lLLVMAnalysis -lLLVMTarget \
2977          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2978          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2979          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2980          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2981          -lLLVMSupport -lstdc++"
2982        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2983
2984        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2985        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2986    fi
2987
2988    if test "x$llvm_api_version" = "x"; then
2989           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2990           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2991    else
2992           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2993           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2994    fi
2995
2996    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2997
2998    AC_SUBST(LLVM_CFLAGS)
2999    AC_SUBST(LLVM_CXXFLAGS)
3000    AC_SUBST(LLVM_LIBS)
3001    AC_SUBST(LLVM_LDFLAGS)
3002    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3003 fi
3004
3005 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3006 if test "x$enable_loadedllvm" = "xyes"; then
3007    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3008 fi
3009 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3010
3011 if test "x$enable_llvm" = "xyes"; then
3012    enable_llvm_runtime=yes
3013 fi
3014 if test "x$enable_llvm_runtime" = "xyes"; then
3015    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3016 fi
3017 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3018
3019 TARGET="unknown"
3020 ACCESS_UNALIGNED="yes"
3021
3022 LIBC="libc.so.6"
3023 INTL="libc.so.6"
3024 SQLITE="libsqlite.so.0"
3025 SQLITE3="libsqlite3.so.0"
3026 X11="libX11.so"
3027 GDKX11="libgdk-x11-2.0.so.0"
3028 GTKX11="libgtk-x11-2.0.so.0"
3029 XINERAMA="libXinerama.so.1"
3030
3031 sizeof_register="SIZEOF_VOID_P"
3032
3033 jit_wanted=true
3034 boehm_supported=true
3035 BTLS_SUPPORTED=no
3036 BTLS_PLATFORM=
3037 case "$host" in
3038         mips*)
3039                 TARGET=MIPS;
3040                 arch_target=mips;
3041                 with_tls=pthread;
3042                 ACCESS_UNALIGNED="no"
3043
3044                 AC_MSG_CHECKING(for mips n32)
3045                 AC_TRY_COMPILE([],[
3046                 #if _MIPS_SIM != _ABIN32
3047                 #error Not mips n32
3048                 #endif
3049                 return 0;
3050                 ],[
3051                 AC_MSG_RESULT(yes)
3052                 sizeof_register=8
3053                 ],[
3054                 AC_MSG_RESULT(no)
3055                 ])
3056                 ;;
3057         i*86-*-*)
3058                 TARGET=X86;
3059                 arch_target=x86;
3060                 case $host_os in
3061                   solaris*)
3062                         LIBC="libc.so"
3063                         INTL="libintl.so"
3064                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3065                                 TARGET=AMD64
3066                                 arch_target=amd64
3067                         fi
3068
3069                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3070                         # int astruct __attribute__ ((visibility ("hidden")));
3071                         # void foo ()
3072                         # {
3073                         #       void *p = &astruct;
3074                         # }
3075                         # gcc -fPIC --shared -o libfoo.so foo.c
3076                         # yields:
3077                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3078                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3079                         have_visibility_hidden=no
3080                         ;;
3081                   mingw*|cygwin*)
3082                         have_visibility_hidden=no
3083                         ;;
3084                   haiku*)
3085                         LIBC=libroot.so
3086                         ;;
3087                   linux*)
3088                         AOT_SUPPORTED="yes"
3089                         BTLS_SUPPORTED=yes
3090                         BTLS_PLATFORM=i386
3091                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3092                         ;;
3093                   darwin*)
3094                         AOT_SUPPORTED="yes"
3095                         BTLS_SUPPORTED=yes
3096                         BTLS_PLATFORM=i386
3097                         ;;
3098                   openbsd*|freebsd*|kfreebsd-gnu*)
3099                         ;;
3100                 esac
3101                 ;;
3102         x86_64-*-* | amd64-*-*)
3103                 TARGET=AMD64;
3104                 arch_target=amd64;
3105                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3106                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3107                         sizeof_register=8
3108                 fi
3109                 case $host_os in
3110                   linux*)
3111                         AOT_SUPPORTED="yes"
3112                         BTLS_SUPPORTED=yes
3113                         BTLS_PLATFORM=x86_64
3114                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3115                         ;;
3116                   darwin*)
3117                         AOT_SUPPORTED="yes"
3118                         BTLS_SUPPORTED=yes
3119                         BTLS_PLATFORM=x86_64
3120                         boehm_supported=false
3121                         ;;
3122                   openbsd*|freebsd*|kfreebsd-gnu*)
3123                         ;;
3124                   mingw*)
3125                         ;;
3126                 esac
3127                 ;;
3128         sparc*-*-*)
3129                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3130                    TARGET=SPARC64
3131                 else
3132                         TARGET=SPARC
3133                 fi
3134                 arch_target=sparc;
3135                 ACCESS_UNALIGNED="no"
3136                 case $host_os in
3137                   linux*) ;;
3138                   *)
3139                         LIBC="libc.so"
3140                         INTL="libintl.so"
3141                 esac
3142                 if test x"$GCC" = xyes; then
3143                         # We don't support v8 cpus
3144                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3145                 fi
3146                 if test x"$AR" = xfalse; then
3147                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3148                 fi
3149                 ;;
3150         *-mingw*|*-*-cygwin*)
3151                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3152                 have_visibility_hidden=no
3153                 INTL="intl"
3154                 ;;
3155         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3156         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3157                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3158                         TARGET=POWERPC64;
3159                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3160                         CFLAGS="$CFLAGS -mminimal-toc"
3161                 else
3162                         TARGET=POWERPC;
3163                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3164                 fi
3165                 arch_target=ppc;
3166                 case $host_os in
3167                   linux*|darwin*)
3168                         ;;
3169                 esac
3170                 ;;
3171         armv7k-*-darwin*)
3172                 TARGET=ARM;
3173                 TARGET_SYS=WATCHOS
3174                 arch_target=arm;
3175                 arm_fpu=VFP_HARD
3176                 ACCESS_UNALIGNED="no"
3177                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3178                 ;;
3179
3180         arm*-darwin*)
3181                 TARGET=ARM;
3182                 arch_target=arm;
3183                 ACCESS_UNALIGNED="no"
3184                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3185                 ;;
3186         arm*-linux*)
3187                 TARGET=ARM;
3188                 arch_target=arm;
3189                 ACCESS_UNALIGNED="no"
3190                 AOT_SUPPORTED="yes"
3191                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3192                 BTLS_SUPPORTED=yes
3193                 BTLS_PLATFORM=arm
3194                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3195                 case "$target" in
3196                 arm*-linux*-gnueabi)
3197                         BTLS_PLATFORM=armsoft
3198                         ;;
3199                 esac
3200                 ;;
3201         arm*-netbsd*-eabi*)
3202                 TARGET=ARM;
3203                 arch_target=arm;
3204                 ACCESS_UNALIGNED="no"
3205                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3206                 ;;
3207         aarch64-*)
3208                 # https://lkml.org/lkml/2012/7/15/133
3209                 TARGET=ARM64
3210                 arch_target=arm64
3211                 boehm_supported=false
3212                 AOT_SUPPORTED="yes"
3213                 BTLS_SUPPORTED=yes
3214                 BTLS_PLATFORM=aarch64
3215                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3216                 ;;
3217         s390x-*-linux*)
3218                 TARGET=S390X;
3219                 arch_target=s390x;
3220                 ACCESS_UNALIGNED="yes"
3221                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3222                 ;;
3223 esac
3224
3225 HOST=$TARGET
3226
3227 if test "x$host" != "x$target"; then
3228    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3229    enable_mcs_build=no
3230    BTLS_SUPPORTED=no
3231    case "$target" in
3232    arm*-darwin*)
3233                 TARGET=ARM;
3234                 arch_target=arm;
3235                 ACCESS_UNALIGNED="no"
3236                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3237                 # Can't use tls, since it depends on the runtime detection of tls offsets
3238                 # in mono-compiler.h
3239                 with_tls=pthread
3240                 case "$target" in
3241                 armv7k-*)
3242                         arm_fpu=VFP_HARD
3243                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3244                         ;;
3245                 esac
3246                 ;;
3247    powerpc64-ps3-linux-gnu)
3248                 TARGET=POWERPC64
3249                 arch_target=powerpc64
3250                 AC_DEFINE(TARGET_PS3, 1, [...])
3251                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3252                 # uses this define
3253                 AC_DEFINE(__mono_ppc64__, 1, [...])
3254                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3255                 sizeof_register=8
3256                 target_byte_order=G_BIG_ENDIAN
3257                 ;;
3258    powerpc64-xbox360-linux-gnu)
3259                 TARGET=POWERPC64
3260                 arch_target=powerpc64
3261                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3262                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3263                 # uses this define
3264                 sizeof_register=8
3265                 target_byte_order=G_BIG_ENDIAN
3266                 ;;
3267    arm*-linux-*)
3268                 TARGET=ARM;
3269                 arch_target=arm;
3270                 AC_DEFINE(TARGET_ARM, 1, [...])
3271                 ACCESS_UNALIGNED="no"
3272                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3273                 # Can't use tls, since it depends on the runtime detection of tls offsets
3274                 # in mono-compiler.h
3275                 with_tls=pthread
3276                 target_mach=no
3277                 case "$target" in
3278                 armv7l-unknown-linux-gnueabi*)
3279                         # TEGRA
3280                         CPPFLAGS="$CPPFLAGS"
3281                         ;;
3282                 armv5-*-linux-androideabi*)
3283                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3284                         CPPFLAGS="$CPPFLAGS"
3285                         ;;
3286                 *-linux-androideabi*)
3287                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3288                         CPPFLAGS="$CPPFLAGS"
3289                         ;;
3290                 esac
3291                 ;;
3292    arm*-netbsd*-eabi*)
3293                 TARGET=ARM;
3294                 arch_target=arm;
3295                 AC_DEFINE(TARGET_ARM, 1, [...])
3296                 ACCESS_UNALIGNED="no"
3297                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3298                 # Can't use tls, since it depends on the runtime detection of tls offsets
3299                 # in mono-compiler.h
3300                 with_tls=pthread
3301                 target_mach=no
3302                 ;;
3303    i686*-linux-*)
3304                 TARGET=X86;
3305                 arch_target=x86;
3306                 AC_DEFINE(TARGET_X86, 1, [...])
3307                 CPPFLAGS="$CPPFLAGS"
3308                 # Can't use tls, since it depends on the runtime detection of tls offsets
3309                 # in mono-compiler.h
3310                 with_tls=pthread
3311                 target_mach=no
3312
3313                 case "$target" in
3314                 *-linux-android*)
3315                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3316                         ;;
3317                 esac
3318                 ;;
3319    x86_64*-linux-*)
3320                 TARGET=AMD64;
3321                 arch_target=amd64;
3322                 AC_DEFINE(TARGET_AMD64, 1, [...])
3323                 CPPFLAGS="$CPPFLAGS"
3324                 # Can't use tls, since it depends on the runtime detection of tls offsets
3325                 # in mono-compiler.h
3326                 with_tls=pthread
3327                 target_mach=no
3328
3329                 case "$target" in
3330                 *-linux-android*)
3331                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3332                         ;;
3333                 esac
3334                 ;;
3335    x86_64-ps4-freebsd)
3336                 TARGET=AMD64;
3337                 arch_target=amd64;
3338                 AC_DEFINE(TARGET_AMD64, 1, [...])
3339                 AC_DEFINE(TARGET_PS4, 1, [...])
3340                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3341                 CPPFLAGS="$CPPFLAGS"
3342                 # Can't use tls, since it depends on the runtime detection of tls offsets
3343                 # in mono-compiler.h
3344                 with_tls=pthread
3345                 target_mach=no
3346                 target_win32=no
3347                 ;;
3348    aarch64*-linux-*)
3349                 TARGET=ARM64;
3350                 arch_target=arm64;
3351                 AC_DEFINE(TARGET_ARM64, 1, [...])
3352                 CPPFLAGS="$CPPFLAGS"
3353                 # Can't use tls, since it depends on the runtime detection of tls offsets
3354                 # in mono-compiler.h
3355                 with_tls=pthread
3356                 target_mach=no
3357                 case "$target" in
3358                 *-linux-android*)
3359                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3360                         ;;
3361                 esac
3362                 ;;
3363         aarch64-*)
3364                 TARGET=ARM64
3365                 ;;
3366         *)
3367                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3368         esac
3369 fi
3370
3371 case "$TARGET" in
3372 X86)
3373         AC_DEFINE(TARGET_X86, 1, [...])
3374         ;;
3375 AMD64)
3376         AC_DEFINE(TARGET_AMD64, 1, [...])
3377         ;;
3378 ARM)
3379         AC_DEFINE(TARGET_ARM, 1, [...])
3380         ;;
3381 ARM64)
3382         AC_DEFINE(TARGET_ARM64, 1, [...])
3383         ;;
3384 POWERPC)
3385         AC_DEFINE(TARGET_POWERPC, 1, [...])
3386         ;;
3387 POWERPC64)
3388         AC_DEFINE(TARGET_POWERPC, 1, [...])
3389         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3390         ;;
3391 S390X)
3392         AC_DEFINE(TARGET_S390X, 1, [...])
3393         ;;
3394 MIPS)
3395         AC_DEFINE(TARGET_MIPS, 1, [...])
3396         ;;
3397 SPARC)
3398         AC_DEFINE(TARGET_SPARC, 1, [...])
3399         ;;
3400 SPARC64)
3401         AC_DEFINE(TARGET_SPARC64, 1, [...])
3402         ;;
3403 esac
3404
3405 case "$HOST" in
3406 X86)
3407         AC_DEFINE(HOST_X86, 1, [...])
3408         ;;
3409 AMD64)
3410         AC_DEFINE(HOST_AMD64, 1, [...])
3411         ;;
3412 ARM)
3413         AC_DEFINE(HOST_ARM, 1, [...])
3414         ;;
3415 ARM64)
3416         AC_DEFINE(HOST_ARM64, 1, [...])
3417         ;;
3418 POWERPC)
3419         AC_DEFINE(HOST_POWERPC, 1, [...])
3420         ;;
3421 POWERPC64)
3422         AC_DEFINE(HOST_POWERPC, 1, [...])
3423         AC_DEFINE(HOST_POWERPC64, 1, [...])
3424         ;;
3425 S390X)
3426         AC_DEFINE(HOST_S390X, 1, [...])
3427         ;;
3428 MIPS)
3429         AC_DEFINE(HOST_MIPS, 1, [...])
3430         ;;
3431 SPARC)
3432         AC_DEFINE(HOST_SPARC, 1, [...])
3433         ;;
3434 SPARC64)
3435         AC_DEFINE(HOST_SPARC64, 1, [...])
3436         ;;
3437 esac
3438
3439
3440
3441 dnl *************
3442 dnl *** VTUNE ***
3443 dnl *************
3444
3445 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3446 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3447
3448 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3449
3450 if test "x$enable_vtune" = "xyes"; then
3451         if test "x$with_vtune" = "x"; then
3452                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3453         else
3454                 VTUNE_PATH=$with_vtune
3455         fi
3456         VTUNE_INCLUDE=$VTUNE_PATH/include
3457         case "$TARGET" in
3458         X86)
3459                 VTUNE_LIB=$VTUNE_PATH/lib32
3460                 ;;
3461         AMD64)
3462                 VTUNE_LIB=$VTUNE_PATH/lib64
3463                 ;;
3464         *)
3465                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3466                 ;;
3467         esac
3468         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3469                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3470         fi
3471         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3472                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3473         fi
3474
3475         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3476         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3477
3478         AC_SUBST(VTUNE_LIBS)
3479         AC_SUBST(VTUNE_CFLAGS)
3480 fi
3481 dnl Use GCC atomic ops if they work on the target.
3482 if test x$GCC = "xyes"; then
3483         case $TARGET in
3484         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3485                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3486                 ;;
3487         esac
3488 fi
3489
3490 if test "x$target_mach" = "xyes"; then
3491
3492    if test "x$TARGET_SYS" = "xWATCHOS"; then
3493           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3494           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3495           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3496           BTLS_SUPPORTED=no
3497    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3498           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3499           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3500           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3501           BTLS_SUPPORTED=no
3502    else
3503        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3504        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3505        #error fail this for ios
3506        #endif
3507        return 0;
3508        ], [
3509                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3510           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3511           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3512           target_osx=yes
3513        ], [
3514           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3515           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3516           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3517           BTLS_SUPPORTED=no
3518                   target_ios=yes
3519        ])
3520         fi
3521    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3522 fi
3523
3524 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3525
3526 if test "x$sizeof_register" = "x4"; then
3527    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3528 elif test "x$sizeof_register" = "x8"; then
3529    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3530 else
3531    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3532 fi
3533
3534 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3535
3536 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3537    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3538 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3539    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3540 else
3541    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3542 fi
3543
3544 if test "x$have_visibility_hidden" = "xyes"; then
3545    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3546 fi
3547
3548 if test "x$have_deprecated" = "xyes"; then
3549    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3550 fi
3551
3552 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3553
3554 if test "x$enable_interpreter" = "xyes"; then
3555         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3556 fi
3557
3558 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3559
3560 dnl
3561 dnl Simple Generational checks (sgen)
3562 dnl
3563 SGEN_DEFINES=
3564 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3565 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3566 if test x$buildsgen = xyes; then
3567    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3568    SGEN_DEFINES="-DHAVE_SGEN_GC"
3569
3570         conc_gc_msg=""
3571    if test x$with_sgen_default_concurrent != xno; then
3572        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3573            conc_gc_msg=" (concurrent by default)"
3574    fi
3575
3576    if test "x$gc_msg" = "x"; then
3577       gc_msg="sgen$conc_gc_msg"
3578    else
3579       gc_msg="sgen$conc_gc_msg and $gc_msg"
3580    fi
3581 fi
3582 AC_SUBST(SGEN_DEFINES)
3583 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3584
3585 jit_status="Building and using the JIT"
3586
3587 libsuffix=".so"
3588
3589 case "$host" in
3590      *-*-darwin*)
3591         libsuffix=".dylib"
3592         LIBC="libc.dylib"
3593         INTL="libintl.dylib"
3594         SQLITE="libsqlite.0.dylib"
3595         SQLITE3="libsqlite3.0.dylib"
3596         X11="libX11.dylib"
3597         GDKX11="libgdk-x11-2.0.dylib"
3598         GTKX11="libgtk-x11-2.0.dylib"
3599         ;;
3600      *-*-*netbsd*)
3601         LIBC="libc.so"
3602         INTL="libintl.so"
3603         SQLITE="libsqlite.so"
3604         SQLITE3="libsqlite3.so"
3605         ;;
3606      *-*-kfreebsd*-gnu)
3607         LIBC="libc.so.0.1"
3608         INTL="libc.so.0.1"
3609         X11="libX11.so.6"
3610         ;;
3611     *-*-*freebsd*)
3612         LIBC="libc.so.7"
3613         INTL="libintl.so"
3614         SQLITE="libsqlite.so"
3615         SQLITE3="libsqlite3.so"
3616         ;;
3617     *-*-*openbsd*)
3618         LIBC="libc.so"
3619         INTL="libintl.so"
3620         SQLITE="libsqlite.so"
3621         SQLITE3="libsqlite3.so"
3622         ;;
3623     *-*-*linux*)
3624         AC_PATH_X
3625         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3626         AC_MSG_CHECKING(for the soname of libX11.so)
3627         for i in $x_libraries $dlsearch_path; do
3628                 for r in 4 5 6; do
3629                         if test -f $i/libX11.so.$r; then
3630                                 X11=libX11.so.$r
3631                                 AC_MSG_RESULT($X11)
3632                         fi
3633                 done
3634         done
3635
3636         if test "x$X11" = "xlibX11.so"; then
3637                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3638                 X11=libX11.so.6
3639         fi
3640         ;;
3641 esac
3642
3643 AC_SUBST(libsuffix)
3644
3645 ######################################
3646 # EGLIB CHECKS
3647 ######################################
3648
3649 GNUC_PRETTY=
3650 GNUC_UNUSED=
3651 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3652 if test x$GCC = xyes; then
3653    GNUC_UNUSED='__attribute__((__unused__))'
3654    GNUC_NORETURN='__attribute__((__noreturn__))'
3655    case $host_cpu in
3656      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3657    esac
3658 fi
3659 AC_SUBST(GNUC_PRETTY)
3660 AC_SUBST(GNUC_UNUSED)
3661 AC_SUBST(GNUC_NORETURN)
3662 AC_SUBST(BREAKPOINT)
3663
3664 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3665
3666 case $host in
3667 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3668     PATHSEP='\\'
3669     SEARCHSEP=';'
3670     OS="WIN32"
3671     PIDTYPE='void *'
3672     ;;
3673 *)
3674     PATHSEP='/'
3675     SEARCHSEP=':'
3676     OS="UNIX"
3677     PIDTYPE='int'
3678     ;;
3679 esac
3680
3681 case $host in
3682         *-*-solaris*)
3683         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3684         ;;
3685 esac
3686
3687 case $target in
3688 arm*-darwin*|aarch64*-*)
3689     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3690     ;;
3691 i*86-*-darwin*)
3692     ORDER=G_LITTLE_ENDIAN
3693     ;;
3694 *-*-haiku*)
3695     LDFLAGS="$LDFLAGS -ltextencoding"
3696     ;;
3697 *-*-openbsd*)
3698     CFLAGS="$CFLAGS -pthread"
3699     LDFLAGS="$LDFLAGS -pthread"
3700     ;;
3701 esac
3702
3703 AC_SUBST(ORDER)
3704 AC_SUBST(CFLAGS)
3705 AC_SUBST(PATHSEP)
3706 AC_SUBST(SEARCHSEP)
3707 AC_SUBST(OS)
3708 AC_SUBST(PIDTYPE)
3709
3710 # Defined for all targets/platforms using classic Windows API support.
3711 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3712 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3713
3714 AC_CHECK_SIZEOF(int)
3715 AC_CHECK_SIZEOF(void *)
3716 AC_CHECK_SIZEOF(long)
3717 AC_CHECK_SIZEOF(long long)
3718 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3719 AC_CHECK_FUNCS(getrlimit)
3720 AC_CHECK_FUNCS(fork execv execve)
3721
3722 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3723
3724 if test x$with_overridable_allocators = xyes; then
3725         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3726   AC_MSG_NOTICE([Overridable allocator support enabled])
3727 else
3728   AC_MSG_NOTICE([Overridable allocator support disabled])
3729 fi
3730
3731 #
3732 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3733 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3734 # removed once support for 10.6 is dropped.
3735 #
3736 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3737 #
3738 if test x$target_osx = xyes; then
3739 AC_CHECK_FUNCS(getpwuid_r)
3740 elif test x$target_ios = xno; then
3741 AC_CHECK_FUNCS(strndup getpwuid_r)
3742 fi
3743
3744 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3745 AM_ICONV()
3746 AC_SEARCH_LIBS(sqrtf, m)
3747
3748 # nanosleep may not be part of libc, also search it in other libraries
3749 AC_SEARCH_LIBS(nanosleep, rt)
3750
3751 AC_SEARCH_LIBS(dlopen, dl)
3752 old_ldflags="${LDFLAGS}"
3753 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3754 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3755 if test $found_export_dynamic = no; then
3756         LDFLAGS="${old_ldflags}"
3757 fi
3758
3759 AC_MSG_CHECKING(for varargs macros)
3760 AC_TRY_COMPILE([],[
3761 int foo (int i, int j);
3762 #define bar(...) foo (1, __VA_ARGS__)
3763 void main () {
3764          bar (2);
3765 }
3766 ],have_iso_varargs=yes,have_iso_varargs=no)
3767 AC_MSG_RESULT($have_iso_varargs)
3768 G_HAVE_ISO_VARARGS=0
3769 if test "x$have_iso_varargs" = "xyes"; then
3770    G_HAVE_ISO_VARARGS=1
3771 fi
3772 AC_SUBST(G_HAVE_ISO_VARARGS)
3773
3774 AC_CHECK_HEADERS(getopt.h sys/select.h sys/time.h sys/wait.h pwd.h iconv.h localcharset.h sys/types.h sys/resource.h)
3775 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3776 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3777 AC_SUBST(HAVE_ALLOCA_H)
3778
3779 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3780    GPOINTER_TO_INT="((gint) (ptr))"
3781    GPOINTER_TO_UINT="((guint) (ptr))"
3782    GINT_TO_POINTER="((gpointer) (v))"
3783    GUINT_TO_POINTER="((gpointer) (v))"
3784    GSIZE="int"
3785    GSIZE_FORMAT='"u"'
3786 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3787    GPOINTER_TO_INT="((gint)(long) (ptr))"
3788    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3789    GINT_TO_POINTER="((gpointer)(glong) (v))"
3790    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3791    GSIZE="long"
3792    GSIZE_FORMAT='"lu"'
3793 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3794    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3795    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3796    GINT_TO_POINTER="((gpointer)(long long) (v))"
3797    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3798    GSIZE="long long"
3799    GSIZE_FORMAT='"I64u"'
3800 else
3801    AC_MSG_ERROR([unsupported pointer size])
3802 fi
3803
3804 AC_SUBST(GPOINTER_TO_INT)
3805 AC_SUBST(GPOINTER_TO_UINT)
3806 AC_SUBST(GINT_TO_POINTER)
3807 AC_SUBST(GUINT_TO_POINTER)
3808 AC_SUBST(GSIZE)
3809 AC_SUBST(GSIZE_FORMAT)
3810 AC_SUBST(G_GUINT64_FORMAT)
3811 AC_SUBST(G_GINT64_FORMAT)
3812 AC_SUBST(G_GUINT32_FORMAT)
3813 AC_SUBST(G_GINT32_FORMAT)
3814
3815 #
3816 # END OF EGLIB CHECKS
3817 #
3818
3819 AC_ARG_WITH([libgdiplus],
3820         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3821         [], [with_libgdiplus=installed])
3822
3823 # default install location
3824 libgdiplus_install_loc=libgdiplus${libsuffix}
3825 case "$host" in
3826     *-*-*linux*)
3827     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3828     ;;
3829 esac
3830
3831 case $with_libgdiplus in
3832     no|installed)
3833     libgdiplus_loc=
3834     ;;
3835
3836     yes|sibling)
3837     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3838     ;;
3839
3840     /*) # absolute path, assume it is an install location
3841     libgdiplus_loc=$with_libgdiplus
3842     libgdiplus_install_loc=$with_libgdiplus
3843     ;;
3844
3845     *)
3846     libgdiplus_loc=`pwd`/$with_libgdiplus
3847     ;;
3848 esac
3849 AC_SUBST([libgdiplus_loc])
3850 AC_SUBST([libgdiplus_install_loc])
3851
3852 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3853 if test "x$icall_symbol_map" = "xyes"; then
3854    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3855 fi
3856
3857 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3858 if test "x$icall_export" = "xyes"; then
3859    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3860 fi
3861
3862 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3863 if test "x$icall_tables" = "xno"; then
3864    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3865 fi
3866
3867 if test "x$with_tls" = "x__thread"; then
3868         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3869         # Pass the information to libgc
3870         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3871         AC_MSG_CHECKING(if the tls_model attribute is supported)
3872         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3873                 ], [
3874                         AC_MSG_RESULT(yes)
3875                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3876                 ], [
3877                         AC_MSG_RESULT(no)
3878         ])
3879 fi
3880
3881 if test ${TARGET} = ARM; then
3882         dnl ******************************************
3883         dnl *** Check to see what FPU is available ***
3884         dnl ******************************************
3885         AC_MSG_CHECKING(which FPU to use)
3886
3887         #
3888         # This is a bit tricky:
3889         #
3890         # if (__ARM_PCS_VFP) {
3891         #       /* mfloat-abi=hard == VFP with hard ABI */
3892         # } elif (!__SOFTFP__) {
3893         #       /* mfloat-abi=softfp == VFP with soft ABI */
3894         # } else {
3895         #       /* mfloat-abi=soft == no VFP */
3896         # }
3897         #
3898         # The exception is iOS (w/ GCC) where none of the above
3899         # are defined (but iOS always uses the 'softfp' ABI).
3900         #
3901         # No support for FPA.
3902         #
3903
3904         fpu=NONE
3905
3906         # iOS GCC always uses the 'softfp' ABI.
3907         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3908                 fpu=VFP
3909         fi
3910
3911         # Are we using the 'hard' ABI?
3912         if test x$fpu = xNONE; then
3913                 AC_TRY_COMPILE([], [
3914                         #ifndef __ARM_PCS_VFP
3915                         #error "Float ABI is not 'hard'"
3916                         #endif
3917                         return 0;
3918                 ], [
3919                         fpu=VFP_HARD
3920                 ], [
3921                         fpu=NONE
3922                 ])
3923         fi
3924
3925         # No 'hard' ABI. 'soft' or 'softfp'?
3926         if test x$fpu = xNONE; then
3927                 AC_TRY_COMPILE([], [
3928                         #ifdef __SOFTFP__
3929                         #error "Float ABI is not 'softfp'"
3930                         #endif
3931                         return 0;
3932                 ], [
3933                         fpu=VFP
3934                 ], [
3935                         fpu=NONE
3936                 ])
3937         fi
3938
3939         if test x$arm_fpu != x; then
3940            fpu=$arm_fpu
3941         fi
3942
3943         AC_MSG_RESULT($fpu)
3944         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3945         unset fpu
3946
3947         dnl *********************************************
3948         dnl *** Check which ARM version(s) we can use ***
3949         dnl *********************************************
3950         AC_MSG_CHECKING(which ARM version to use)
3951
3952         AC_TRY_COMPILE([], [
3953                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3954                 #error Not on ARM v5.
3955                 #endif
3956                 return 0;
3957         ], [
3958                 arm_v5=yes
3959
3960                 arm_ver=ARMv5
3961         ], [])
3962
3963         AC_TRY_COMPILE([], [
3964                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3965                 #error Not on ARM v6.
3966                 #endif
3967                 return 0;
3968         ], [
3969                 arm_v5=yes
3970                 arm_v6=yes
3971
3972                 arm_ver=ARMv6
3973         ], [])
3974
3975         AC_TRY_COMPILE([], [
3976                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3977                 #error Not on ARM v7.
3978                 #endif
3979                 return 0;
3980         ], [
3981                 arm_v5=yes
3982                 arm_v6=yes
3983                 arm_v7=yes
3984
3985                 arm_ver=ARMv7
3986         ], [])
3987
3988         AC_MSG_RESULT($arm_ver)
3989
3990         if test x$arm_v5 = xyes; then
3991                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3992                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3993         fi
3994
3995         if test x$arm_v6 = xyes; then
3996                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3997                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3998         fi
3999
4000         if test x$arm_v7 = xyes; then
4001                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
4002                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4003         fi
4004 fi
4005
4006 if test ${TARGET} = unknown; then
4007         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4008         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4009 fi
4010
4011 if test "x$platform_android" = "xyes"; then
4012         case "x${TARGET}" in
4013         xARM)
4014                 case "x$arm_ver" in
4015                 xARMv5)
4016                         BTLS_SUPPORTED=yes
4017                         BTLS_PLATFORM=android-armv5
4018                         ;;
4019                 xARMv6)
4020                         BTLS_SUPPORTED=yes
4021                         BTLS_PLATFORM=android-armv6
4022                         ;;
4023                 xARMv7)
4024                         BTLS_SUPPORTED=yes
4025                         BTLS_PLATFORM=android-armv7
4026                         ;;
4027                 *)
4028                         BTLS_SUPPORTED=no
4029                         ;;
4030                 esac
4031                 ;;
4032         xARM64)
4033                 BTLS_SUPPORTED=yes
4034                 BTLS_PLATFORM=android-v8a
4035                 ;;
4036         xX86)
4037                 BTLS_SUPPORTED=yes
4038                 BTLS_PLATFORM=android-x86
4039                 ;;
4040         xAMD64)
4041                 BTLS_SUPPORTED=yes
4042                 BTLS_PLATFORM=android-x64
4043                 ;;
4044         *)
4045                 BTLS_SUPPORTED=no
4046                 ;;
4047         esac
4048 fi
4049
4050 if test ${ACCESS_UNALIGNED} = no; then
4051         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4052 fi
4053
4054 if test x$host_darwin = xyes; then
4055         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4056         AS_IF(
4057                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4058                 [AC_MSG_RESULT([no])],
4059                 [
4060                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4061                         AR_FLAGS="Scru"
4062                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4063                         AC_MSG_RESULT([yes])
4064                 ]
4065         )
4066 fi
4067
4068 case "x$libgc" in
4069         xincluded)
4070                 # Pass CPPFLAGS to libgc configure
4071                 # We should use a separate variable for this to avoid passing useless and
4072                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4073                 # This should be executed late so we pick up the final version of CPPFLAGS
4074                 # The problem with this approach, is that during a reconfigure, the main
4075                 # configure scripts gets invoked with these arguments, so we use separate
4076                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4077                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4078                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4079                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4080                 fi
4081                 # Don't pass -finstrument-for-thread-suspension in,
4082                 # if these are instrumented it will be very bad news
4083                 # (infinite recursion, undefined parking behavior, etc)
4084                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4085                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4086                 if test "x$support_boehm" = "xyes"; then
4087                         AC_CONFIG_SUBDIRS(libgc)
4088                 fi
4089                 ;;
4090 esac
4091
4092 MALLOC_MEMPOOLS=no
4093 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4094         if test x$with_malloc_mempools = xyes; then
4095                 MALLOC_MEMPOOLS=yes
4096                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4097         fi
4098 ])
4099
4100
4101 DISABLE_MCS_DOCS=default
4102 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4103         if test x$with_mcs_docs != xyes; then
4104                 DISABLE_MCS_DOCS=yes
4105         fi
4106 ])
4107 if test -n "$INSTALL_4_x_TRUE"; then :
4108         DISABLE_MCS_DOCS=yes
4109 fi
4110 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4111    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4112 fi
4113
4114 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4115         if test x$with_lazy_gc_thread_creation != xno ; then
4116                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4117         fi
4118 ], [with_lazy_gc_thread_creation=no])
4119
4120 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])
4121
4122 if test x$with_cooperative_gc = xdefault; then
4123         with_cooperative_gc=$with_cooperative_gc_default
4124 fi
4125
4126 if test x$with_cooperative_gc != xno; then
4127         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4128 fi
4129
4130 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4131
4132 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],[
4133
4134         if test x$enable_checked_build != x ; then
4135                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4136         fi
4137         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4138                 eval "mono_checked_build_test_enable_$feature='yes'"
4139         done
4140
4141         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4142                 eval "mono_checked_build_test_enable_gc='yes'"
4143                 eval "mono_checked_build_test_enable_metadata='yes'"
4144                 eval "mono_checked_build_test_enable_thread='yes'"
4145         fi
4146
4147         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4148                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4149         fi
4150
4151         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4152                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4153         fi
4154
4155         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4156                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4157         fi
4158
4159 ], [])
4160
4161 AC_CHECK_HEADER([malloc.h],
4162                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4163                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4164
4165 if test x"$GCC" = xyes; then
4166         # Implicit function declarations are not 64 bit safe
4167         # Do this late, since this causes lots of configure tests to fail
4168         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4169         # jay has a lot of implicit declarations
4170         JAY_CFLAGS="-Wno-implicit-function-declaration"
4171 fi
4172
4173 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4174 # instead of libmono-static.a
4175 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4176    LIBMONO_LA=libmini-static.la
4177 else
4178    if test x$buildsgen = xyes; then
4179       LIBMONO_LA=libmonosgen-$API_VER.la
4180    else
4181       LIBMONO_LA=libmonoboehm-$API_VER.la
4182    fi
4183 fi
4184 AC_SUBST(LIBMONO_LA)
4185
4186 dnl **************
4187 dnl ***  Btls  ***
4188 dnl **************
4189
4190 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4191 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4192
4193 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4194
4195 btls_android=no
4196 if test "x$enable_btls" = "xyes"; then
4197         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4198         if test "x$CMAKE" = "xno"; then
4199                 AC_MSG_ERROR("cmake not found")
4200         fi
4201
4202         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4203         AC_SUBST(BTLS_ROOT)
4204
4205         btls_arch=
4206         btls_cflags=
4207         BTLS_CMAKE_ARGS=
4208
4209         case "$BTLS_PLATFORM" in
4210         i386)
4211                 btls_arch=i386
4212                 btls_cflags="-m32"
4213                 case $host_os in
4214                         darwin*)
4215                                 btls_cflags="$btls_cflags -arch i386"
4216                 esac
4217                 ;;
4218         x86_64)
4219                 btls_arch=x86_64
4220                 ;;
4221         arm)
4222                 btls_arch=arm
4223                 ;;
4224         armsoft)
4225                 btls_arch=arm
4226                 btls_cflags="-DOPENSSL_NO_ASM=1"
4227                 ;;
4228         aarch64)
4229                 btls_arch=aarch64
4230                 ;;
4231         android-armv5)
4232                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4233                 ;;
4234         android-armv6)
4235                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4236                 ;;
4237         android-armv7)
4238                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4239                 ;;
4240         android-v8a)
4241                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4242                 ;;
4243         android-x86)
4244                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4245                 ;;
4246         android-x64)
4247                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4248                 ;;
4249         *)
4250                 AC_MSG_ERROR(Invalid BTLS platform)
4251         esac
4252
4253         if test "x$platform_android" = "xyes"; then
4254                 btls_android=yes
4255                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4256                 if test "x$with_btls_android_ndk" != "x"; then
4257                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4258                 else
4259                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4260                 fi
4261         fi
4262
4263         if test "x$btls_arch" != "x"; then
4264                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4265         fi
4266
4267         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4268         AC_SUBST(BTLS_ARCH)
4269         AC_SUBST(BTLS_CFLAGS)
4270         AC_SUBST(BTLS_PLATFORM)
4271         AC_SUBST(BTLS_CMAKE_ARGS)
4272
4273         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4274 else
4275         enable_btls=no
4276 fi
4277
4278 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4279
4280 if test x$DISABLE_MCS_DOCS = xyes; then
4281    docs_dir=""
4282 else
4283    docs_dir=docs
4284 fi
4285 AC_SUBST(docs_dir)
4286
4287 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4288 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4289
4290 libmono_ldflags="$libmono_ldflags $LIBS"
4291
4292 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4293 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4294 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4295 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4296 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4297 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4298 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4299 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4300 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4301 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4302 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4303 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4304 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4305 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4306 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4307 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4308 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4309
4310 AC_SUBST(LIBC)
4311 AC_SUBST(INTL)
4312 AC_SUBST(SQLITE)
4313 AC_SUBST(SQLITE3)
4314 AC_SUBST(X11)
4315 AC_SUBST(GDKX11)
4316 AC_SUBST(GTKX11)
4317 AC_SUBST(XINERAMA)
4318 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4319 AC_SUBST(arch_target)
4320 AC_SUBST(CFLAGS)
4321 AC_SUBST(CPPFLAGS)
4322 AC_SUBST(LDFLAGS)
4323
4324 #This must always be defined when building the runtime
4325 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4326
4327 mono_build_root=`pwd`
4328 AC_SUBST(mono_build_root)
4329
4330 mono_runtime=mono/mini/mono
4331 AC_SUBST(mono_runtime)
4332
4333 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4334
4335 if test $csc_compiler = mcs; then
4336   CSC=$mcs_topdir/class/lib/build/mcs.exe
4337 else
4338   CSC=$CSC_LOCATION
4339 fi
4340
4341 mono_cfg_root=$mono_build_root/runtime
4342 if test x$host_win32 = xyes; then
4343   if test "x$cross_compiling" = "xno"; then
4344     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4345     CSC=`cygpath -m -a $CSC`
4346     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4347   else
4348     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4349   fi
4350 else
4351   mono_cfg_dir=$mono_cfg_root/etc
4352 fi
4353 AC_SUBST(mono_cfg_dir)
4354
4355 AC_SUBST(CSC)
4356
4357 AC_CONFIG_FILES([po/mcs/Makefile.in])
4358
4359 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4360 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4361
4362 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4363 [   depth=../../../..
4364     case $srcdir in
4365     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4366     .) reldir=$depth ;;
4367     *) reldir=$depth/$srcdir ;;
4368     esac
4369     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4370     cd runtime/etc/mono/1.0
4371     rm -f machine.config
4372     $LN_S $reldir/data/net_1_1/machine.config machine.config
4373     cd $depth
4374 ],[LN_S='$LN_S'])
4375
4376 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4377 [   depth=../../../..
4378     case $srcdir in
4379     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4380     .) reldir=$depth ;;
4381     *) reldir=$depth/$srcdir ;;
4382     esac
4383     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4384     cd runtime/etc/mono/2.0
4385     rm -f machine.config
4386     $LN_S $reldir/data/net_2_0/machine.config machine.config
4387     cd $depth
4388 ],[LN_S='$LN_S'])
4389
4390 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4391 [   depth=../../../..
4392     case $srcdir in
4393     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4394     .) reldir=$depth ;;
4395     *) reldir=$depth/$srcdir ;;
4396     esac
4397     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4398     cd runtime/etc/mono/2.0
4399     rm -f web.config
4400     $LN_S $reldir/data/net_2_0/web.config web.config
4401     cd $depth
4402 ],[LN_S='$LN_S'])
4403
4404 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4405 [   depth=../../..
4406     case $srcdir in
4407     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4408     .) reldir=$depth ;;
4409     *) reldir=$depth/$srcdir ;;
4410     esac
4411     $ac_aux_dir/install-sh -d runtime/etc/mono/
4412     cd runtime/etc/mono/
4413     rm -f browscap.ini
4414     $LN_S $reldir/data/browscap.ini browscap.ini
4415     cd $depth
4416 ],[LN_S='$LN_S'])
4417
4418 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4419 [   depth=../../../../..
4420     case $srcdir in
4421     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4422     .) reldir=$depth ;;
4423     *) reldir=$depth/$srcdir ;;
4424     esac
4425     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4426     cd runtime/etc/mono/2.0/Browsers
4427     rm -f Compat.browser
4428     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4429     cd $depth
4430 ],[LN_S='$LN_S'])
4431
4432 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4433 [   depth=../../../../..
4434     case $srcdir in
4435     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4436     .) reldir=$depth ;;
4437     *) reldir=$depth/$srcdir ;;
4438     esac
4439     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4440     cd runtime/etc/mono/4.0/Browsers
4441     rm -f Compat.browser
4442     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4443     cd $depth
4444 ],[LN_S='$LN_S'])
4445
4446 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4447 [   depth=../../../../..
4448     case $srcdir in
4449     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4450     .) reldir=$depth ;;
4451     *) reldir=$depth/$srcdir ;;
4452     esac
4453     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4454     cd runtime/etc/mono/4.5/Browsers
4455     rm -f Compat.browser
4456     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4457     cd $depth
4458 ],[LN_S='$LN_S'])
4459
4460 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4461 [   depth=../../../..
4462     case $srcdir in
4463     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4464     .) reldir=$depth ;;
4465     *) reldir=$depth/$srcdir ;;
4466     esac
4467     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4468     cd runtime/etc/mono/4.0
4469     rm -f machine.config
4470     $LN_S $reldir/data/net_4_0/machine.config machine.config
4471     cd $depth
4472 ],[LN_S='$LN_S'])
4473
4474 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4475 [   depth=../../../..
4476     case $srcdir in
4477     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4478     .) reldir=$depth ;;
4479     *) reldir=$depth/$srcdir ;;
4480     esac
4481     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4482     cd runtime/etc/mono/4.0
4483     rm -f web.config
4484     $LN_S $reldir/data/net_4_0/web.config web.config
4485     cd $depth
4486 ],[LN_S='$LN_S'])
4487
4488 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4489 [   depth=../../../..
4490     case $srcdir in
4491     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4492     .) reldir=$depth ;;
4493     *) reldir=$depth/$srcdir ;;
4494     esac
4495     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4496     cd runtime/etc/mono/4.5
4497     rm -f machine.config
4498     $LN_S $reldir/data/net_4_5/machine.config machine.config
4499     cd $depth
4500 ],[LN_S='$LN_S'])
4501
4502 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4503 [   depth=../../../..
4504     case $srcdir in
4505     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4506     .) reldir=$depth ;;
4507     *) reldir=$depth/$srcdir ;;
4508     esac
4509     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4510     cd runtime/etc/mono/4.5
4511     rm -f web.config
4512     $LN_S $reldir/data/net_4_5/web.config web.config
4513     cd $depth
4514 ],[LN_S='$LN_S'])
4515
4516 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])
4517 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])
4518
4519 AC_OUTPUT([
4520 Makefile
4521 mono-uninstalled.pc
4522 acceptance-tests/Makefile
4523 llvm/Makefile
4524 scripts/mono-find-provides
4525 scripts/mono-find-requires
4526 mono/Makefile
4527 mono/btls/Makefile
4528 mono/utils/Makefile
4529 mono/metadata/Makefile
4530 mono/dis/Makefile
4531 mono/cil/Makefile
4532 mono/arch/Makefile
4533 mono/arch/x86/Makefile
4534 mono/arch/amd64/Makefile
4535 mono/arch/ppc/Makefile
4536 mono/arch/sparc/Makefile
4537 mono/arch/s390x/Makefile
4538 mono/arch/arm/Makefile
4539 mono/arch/arm64/Makefile
4540 mono/arch/mips/Makefile
4541 mono/sgen/Makefile
4542 mono/tests/Makefile
4543 mono/tests/tests-config
4544 mono/tests/gc-descriptors/Makefile
4545 mono/tests/testing_gac/Makefile
4546 mono/unit-tests/Makefile
4547 mono/benchmark/Makefile
4548 mono/mini/Makefile
4549 mono/profiler/Makefile
4550 mono/eglib/Makefile
4551 mono/eglib/eglib-config.h
4552 m4/Makefile
4553 ikvm-native/Makefile
4554 scripts/Makefile
4555 man/Makefile
4556 docs/Makefile
4557 data/Makefile
4558 data/net_2_0/Makefile
4559 data/net_4_0/Makefile
4560 data/net_4_5/Makefile
4561 data/net_2_0/Browsers/Makefile
4562 data/net_4_0/Browsers/Makefile
4563 data/net_4_5/Browsers/Makefile
4564 data/mint.pc
4565 data/mono-2.pc
4566 data/monosgen-2.pc
4567 data/mono.pc
4568 data/mono-cairo.pc
4569 data/mono-nunit.pc
4570 data/mono-options.pc
4571 data/mono-lineeditor.pc
4572 data/monodoc.pc
4573 data/dotnet.pc
4574 data/dotnet35.pc
4575 data/wcf.pc
4576 data/cecil.pc
4577 data/system.web.extensions_1.0.pc
4578 data/system.web.extensions.design_1.0.pc
4579 data/system.web.mvc.pc
4580 data/system.web.mvc2.pc
4581 data/system.web.mvc3.pc
4582 data/aspnetwebstack.pc
4583 data/reactive.pc
4584 samples/Makefile
4585 support/Makefile
4586 data/config
4587 tools/Makefile
4588 tools/locale-builder/Makefile
4589 tools/sgen/Makefile
4590 tools/monograph/Makefile
4591 tools/pedump/Makefile
4592 runtime/Makefile
4593 msvc/Makefile
4594 po/Makefile
4595 ])
4596
4597 # Update all submodules recursively to ensure everything is checked out
4598 $srcdir/scripts/update_submodules.sh
4599
4600 if test x$host_win32 = xyes; then
4601    # Get rid of 'cyg' prefixes in library names
4602    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4603    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4604    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4605    # executable doesn't work...
4606    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4607 fi
4608
4609 if test x$host_darwin = xyes; then
4610    # This doesn't seem to be required and it slows down parallel builds
4611    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4612 fi
4613
4614 (
4615   case $prefix in
4616   NONE) prefix=$ac_default_prefix ;;
4617   esac
4618   case $exec_prefix in
4619   NONE) exec_prefix='${prefix}' ;;
4620   esac
4621
4622   #
4623   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4624   # any existing config.make.  This allows people to share the same source tree
4625   # with different build directories, one native and one cross
4626   #
4627   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4628
4629     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4630
4631     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4632     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4633     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4634     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4635     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4636     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4637     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4638     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4639     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4640
4641     case $INSTALL in
4642     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4643     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4644     esac
4645
4646     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4647
4648     export VERSION
4649     [myver=$($AWK 'BEGIN {
4650       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4651       if(length(vsplit [1]) > 4) {
4652         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4653       }
4654       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4655     }')]
4656
4657     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4658     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4659
4660     if test x$host_darwin = xyes; then
4661       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4662     elif test x$host_win32 = xyes; then
4663       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4664     else
4665       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4666     fi
4667
4668     if test x$host_darwin = xyes; then
4669       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4670     elif test x$host_win32 = xyes; then
4671       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4672     else
4673       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4674     fi
4675
4676     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4677       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4678     fi
4679
4680         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4681            enable_system_aot=yes
4682         fi
4683
4684     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4685       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4686     fi
4687
4688     if test x$DISABLE_MCS_DOCS = xyes; then
4689       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4690     fi
4691
4692     if test x$has_extension_module != xno; then
4693         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4694     fi
4695
4696     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4697
4698     if test "x$test_bcl_opt" = "xyes"; then
4699       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4700     fi
4701
4702     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4703
4704     if test $csc_compiler = mcs; then
4705       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4706     fi
4707
4708     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4709       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4710       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4711     fi
4712
4713     if test "x$enable_btls" = "xyes"; then
4714       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4715     fi
4716
4717   fi
4718
4719 )
4720
4721 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4722
4723 btls_platform_string=
4724 if test x$enable_btls = xyes; then
4725         if test x$btls_android = xyes; then
4726                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4727         else
4728                 btls_platform_string=" ($BTLS_PLATFORM)"
4729         fi
4730 fi
4731
4732 echo "
4733         mcs source:    $mcsdir
4734         C# Compiler:   $csc_compiler
4735
4736    Engine:
4737         Host:          $host
4738         Target:        $target
4739         GC:            $gc_msg
4740         TLS:           $with_tls
4741         SIGALTSTACK:   $with_sigaltstack
4742         Engine:        $jit_status
4743         BigArrays:     $enable_big_arrays
4744         DTrace:        $enable_dtrace
4745         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4746         Interpreter:   $enable_interpreter
4747
4748    Libraries:
4749         .NET 4.x:        $with_profile4_x
4750         Xamarin.Android: $with_monodroid
4751         Xamarin.iOS:     $with_monotouch
4752         Xamarin.WatchOS: $with_monotouch_watch
4753         Xamarin.TVOS:    $with_monotouch_tv
4754         Xamarin.Mac:     $with_xammac
4755         Windows AOT:     $with_winaot
4756         Orbis:           $with_orbis
4757         Unreal:          $with_unreal
4758         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4759         JNI support:     $jdk_headers_found
4760         libgdiplus:      $libgdiplus_msg
4761         zlib:            $zlib_msg
4762         BTLS:            $enable_btls$btls_platform_string
4763         $disabled
4764 "
4765 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4766    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4767 fi