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 $endian = little; then
 789       csc_compiler=roslyn
 790    else
 791       csc_compiler=mcs
 792    fi
 793 fi
 794 AC_MSG_RESULT($csc_compiler)
 795
 796 #
 797 # Set the build profiles and options before things which use them
 798 #
 799
 800 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])
 801 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 802 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 803 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])
 804 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])
 805 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 806 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 807 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])
 808 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])
 809 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 810 AC_ARG_WITH(orbis,               [  --with-orbis=yes,no                 If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 811 AC_ARG_WITH(unreal,              [  --with-unreal=yes,no                If you want to build the Unreal assemblies (defaults to no)], [], [with_unreal=default])
 812
 813
 814 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])
 815
 816 dnl
 817 dnl Profile defaults
 818 dnl
 819 TEST_PROFILE=default
 820 enable_llvm_default=no
 821
 822 with_profile4_x_default=no
 823 with_monodroid_default=no
 824 with_monotouch_default=no
 825 with_monotouch_watch_default=no
 826 with_monotouch_tv_default=no
 827 with_xammac_default=no
 828 with_testing_aot_hybrid_default=no
 829 with_testing_aot_full_default=no
 830 with_winaot_default=no
 831 with_orbis_default=no
 832 with_unreal_default=no
 833
 834 with_bitcode_default=no
 835 with_cooperative_gc_default=no
 836
 837 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 838
 839 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 840    DISABLE_MCS_DOCS_default=yes
 841 elif test x$with_runtime_preset = xnet_4_x; then
 842    with_profile4_x_default=yes
 843 elif test x$with_runtime_preset = xall; then
 844    with_profile4_x_default=yes
 845    with_monodroid_default=yes
 846    with_monotouch_default=yes
 847    with_monotouch_watch_default=yes
 848    with_monotouch_tv_default=yes
 849    with_xammac_default=yes
 850    with_winaot_default=yes
 851    with_orbis_default=yes
 852    with_unreal_default=yes
 853 elif test x$with_runtime_preset = xfullaot; then
 854    DISABLE_MCS_DOCS_default=yes
 855    with_testing_aot_full_default=yes
 856    TEST_PROFILE=testing_aot_full
 857
 858    mono_feature_disable_com='yes'
 859    mono_feature_disable_remoting='yes'
 860    mono_feature_disable_reflection_emit_save='yes'
 861    mono_feature_disable_reflection_emit='yes'
 862    mono_feature_disable_appdomains='yes'
 863
 864    AOT_BUILD_FLAGS="--runtime=mobile -O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 865
 866    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 867 elif test x$with_runtime_preset = xbitcode; then
 868    DISABLE_MCS_DOCS_default=yes
 869    with_testing_aot_full_default=yes
 870    with_bitcode_default=yes
 871    with_cooperative_gc_default=yes
 872    TEST_PROFILE=testing_aot_full
 873    enable_llvm_default=yes
 874
 875    mono_feature_disable_com='yes'
 876    mono_feature_disable_remoting='yes'
 877    mono_feature_disable_reflection_emit_save='yes'
 878    mono_feature_disable_reflection_emit='yes'
 879    mono_feature_disable_appdomains='yes'
 880
 881    AOT_BUILD_FLAGS="--runtime=mobile --aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 882    AOT_RUN_FLAGS="--runtime=mobile --llvmonly"
 883 elif test x$with_runtime_preset = xhybridaot; then
 884    DISABLE_MCS_DOCS_default=yes
 885    with_testing_aot_hybrid_default=yes
 886    TEST_PROFILE=testing_aot_hybrid
 887
 888    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
 889    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
 890 elif test x$with_runtime_preset = xaot; then
 891    with_profile4_x_default=yes
 892
 893    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 894    AOT_RUN_FLAGS=""
 895
 896    DISABLE_MCS_DOCS_default=yes
 897 elif test x$with_runtime_preset = xwinaot; then
 898    DISABLE_MCS_DOCS_default=yes
 899    with_winaot_default=yes
 900    TEST_PROFILE=winaot
 901
 902    mono_feature_disable_com='yes'
 903    mono_feature_disable_remoting='yes'
 904    mono_feature_disable_reflection_emit_save='yes'
 905    mono_feature_disable_reflection_emit='yes'
 906    mono_feature_disable_appdomains='yes'
 907
 908    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 909    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 910 elif test x$with_runtime_preset = xorbis; then
 911    DISABLE_MCS_DOCS_default=yes
 912    with_orbis_default=yes
 913    TEST_PROFILE=orbis
 914
 915    mono_feature_disable_com='yes'
 916    mono_feature_disable_remoting='yes'
 917    mono_feature_disable_reflection_emit_save='yes'
 918    mono_feature_disable_reflection_emit='yes'
 919    mono_feature_disable_appdomains='yes'
 920
 921    AOT_BUILD_FLAGS="--runtime=mobile --aot=full,$INVARIANT_AOT_OPTIONS"
 922    AOT_RUN_FLAGS="--runtime=mobile --full-aot"
 923 elif test x$with_runtime_preset = xunreal; then
 924    DISABLE_MCS_DOCS_default=yes
 925    with_unreal_default=yes
 926    TEST_PROFILE=unreal
 927
 928    mono_feature_disable_com='yes'
 929    mono_feature_disable_remoting='yes'
 930    mono_feature_disable_appdomains='no'
 931
 932    AOT_BUILD_FLAGS="--runtime=mobile --aot=hybrid,$INVARIANT_AOT_OPTIONS"
 933    AOT_RUN_FLAGS="--runtime=mobile --hybrid-aot"
 934 else
 935    with_profile4_x_default=yes
 936 fi
 937
 938 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 939    AC_SUBST(AOT_BUILD_FLAGS)
 940    AC_SUBST(AOT_RUN_FLAGS)
 941    # For llvmonlycheck + fullaotcheck
 942    AC_SUBST(INVARIANT_AOT_OPTIONS)
 943 fi
 944
 945 AC_SUBST(TEST_PROFILE)
 946
 947 if test "x$with_profile4_x" = "xdefault"; then
 948    with_profile4_x=$with_profile4_x_default
 949 fi
 950 if test "x$with_monodroid" = "xdefault"; then
 951    with_monodroid=$with_monodroid_default
 952 fi
 953 if test "x$with_monotouch" = "xdefault"; then
 954    with_monotouch=$with_monotouch_default
 955 fi
 956 if test "x$with_monotouch_watch" = "xdefault"; then
 957    with_monotouch_watch=$with_monotouch_watch_default
 958 fi
 959 if test "x$with_monotouch_tv" = "xdefault"; then
 960    with_monotouch_tv=$with_monotouch_tv_default
 961 fi
 962 if test "x$with_bitcode" = "xdefault"; then
 963    with_bitcode=$with_bitcode_default
 964 fi
 965 if test "x$with_xammac" = "xdefault"; then
 966    with_xammac=$with_xammac_default
 967 fi
 968 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 969    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 970 fi
 971 if test "x$with_testing_aot_full" = "xdefault"; then
 972    with_testing_aot_full=$with_testing_aot_full_default
 973 fi
 974 if test "x$with_winaot" = "xdefault"; then
 975    with_winaot=$with_winaot_default
 976 fi
 977 if test "x$with_orbis" = "xdefault"; then
 978    with_orbis=$with_orbis_default
 979 fi
 980 if test "x$with_unreal" = "xdefault"; then
 981    with_unreal=$with_unreal_default
 982 fi
 983
 984
 985 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 986 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 987 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 988 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 989 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 990 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 991 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 992 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 993 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 994 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 995 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 996 AM_CONDITIONAL(INSTALL_UNREAL, [test "x$with_unreal" != "xno"])
 997 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
 998 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"] || [test "x$TEST_PROFILE" = "xunreal"])
 999
1000 default_profile=net_4_x
1001 if test -z "$INSTALL_MONODROID_TRUE"; then :
1002    default_profile=monodroid
1003 fi
1004 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
1005    default_profile=monotouch
1006 fi
1007 if test -z "$INSTALL_XAMMAC_TRUE"; then :
1008    default_profile=xammac
1009 fi
1010 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
1011    default_profile=testing_aot_hybrid
1012 fi
1013 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1014    default_profile=testing_aot_full
1015 fi
1016 if test -z "$INSTALL_WINAOT_TRUE"; then :
1017    default_profile=winaot
1018 fi
1019 if test -z "$INSTALL_ORBIS_TRUE"; then :
1020    default_profile=orbis
1021 fi
1022 if test -z "$INSTALL_UNREAL_TRUE"; then :
1023    default_profile=unreal
1024 fi
1025 if test -z "$INSTALL_4_x_TRUE"; then :
1026    default_profile=net_4_x
1027 fi
1028 DEFAULT_PROFILE=$default_profile
1029 AC_SUBST(DEFAULT_PROFILE)
1030
1031 #
1032 # End build profile configuration
1033 #
1034
1035 if test x$USE_NLS = xprofile_default; then
1036
1037         AC_MSG_CHECKING([NLS used])
1038
1039         # We make the default value for USE_NLS
1040         # "no" on OSX because it isn't available on most
1041         # default OSX installs. The most common configurations will
1042         # all disable it, so this saves us typing.
1043         if test x$host_darwin = xyes; then
1044                 USE_NLS=no;
1045         else
1046                 USE_NLS=yes;
1047         fi
1048
1049         AC_SUBST([USE_NLS])
1050         AC_MSG_RESULT([$USE_NLS])
1051 fi
1052
1053 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1054      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1055      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, desktop_loader, shared_perfcounters, remoting,
1056          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1057 [
1058         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1059                 eval "mono_feature_disable_$feature='yes'"
1060         done
1061         DISABLED_FEATURES=$enable_minimal
1062         disabled="Disabled:      $enable_minimal"
1063 ],[])
1064
1065 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1066
1067 if test "x$mono_feature_disable_aot" = "xyes"; then
1068         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1069         enable_system_aot=no
1070         AC_MSG_NOTICE([Disabled AOT compiler])
1071 fi
1072
1073 if test "x$mono_feature_disable_profiler" = "xyes"; then
1074         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1075         AC_MSG_NOTICE([Disabled support for the profiler])
1076 fi
1077 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1078
1079 if test "x$mono_feature_disable_decimal" = "xyes"; then
1080         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1081         AC_MSG_NOTICE([Disabled support for decimal])
1082 fi
1083
1084 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1085         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1086         AC_MSG_NOTICE([Disabled support for P/Invoke])
1087 fi
1088
1089 if test "x$mono_feature_disable_debug" = "xyes"; then
1090         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1091         AC_MSG_NOTICE([Disabled support for runtime debugging])
1092 fi
1093
1094 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1095         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1096         mono_feature_disable_reflection_emit_save=yes
1097         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1098 fi
1099
1100 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1101         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1102         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1103 fi
1104
1105 if test "x$mono_feature_disable_large_code" = "xyes"; then
1106         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1107         AC_MSG_NOTICE([Disabled support for large assemblies])
1108 fi
1109
1110 if test "x$mono_feature_disable_logging" = "xyes"; then
1111         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1112         AC_MSG_NOTICE([Disabled support for logging])
1113 fi
1114
1115 if test "x$mono_feature_disable_com" = "xyes"; then
1116         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1117         AC_MSG_NOTICE([Disabled COM support])
1118 fi
1119
1120 if test "x$mono_feature_disable_ssa" = "xyes"; then
1121         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1122         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1123 fi
1124
1125 if test "x$mono_feature_disable_generics" = "xyes"; then
1126         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1127         AC_MSG_NOTICE([Disabled Generics Support])
1128 fi
1129
1130 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1131         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1132         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1133 fi
1134
1135 if test "x$mono_feature_disable_portability" = "xyes"; then
1136         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1137         AC_MSG_NOTICE([Disabled IO Portability layer])
1138 fi
1139
1140 if test "x$mono_feature_disable_attach" = "xyes"; then
1141         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1142         AC_MSG_NOTICE([Disabled agent attach])
1143 fi
1144
1145 if test "x$mono_feature_disable_verifier" = "xyes"; then
1146         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1147         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1148 fi
1149
1150 if test "x$mono_feature_disable_jit" = "xyes"; then
1151         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1152         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1153 fi
1154
1155 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1156
1157 if test "x$mono_feature_disable_simd" = "xyes"; then
1158         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1159         AC_MSG_NOTICE([Disabled SIMD support])
1160 fi
1161
1162 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1163         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1164         AC_MSG_NOTICE([Disabled Soft Debugger.])
1165 fi
1166
1167 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1168         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1169         AC_MSG_NOTICE([Disabled Performance Counters.])
1170 fi
1171 if test "x$mono_feature_disable_normalization" = "xyes"; then
1172         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1173         AC_MSG_NOTICE([Disabled String normalization support.])
1174 fi
1175
1176 #TODO: remove assembly_remapping feature name once everyone is using desktop_loader
1177 if test "x$mono_feature_disable_assembly_remapping" = "xyes" || test "x$mono_feature_disable_desktop_loader" = "xyes"; then
1178         AC_DEFINE(DISABLE_DESKTOP_LOADER, 1, [Disable desktop assembly loader semantics.])
1179         AC_MSG_NOTICE([Disabled desktop assembly loader semantics.])
1180 fi
1181
1182 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1183         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1184         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1185 fi
1186
1187 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1188         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1189         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1190 fi
1191
1192 if test "x$mono_feature_disable_remoting" = "xyes"; then
1193         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1194         AC_MSG_NOTICE([Disabled remoting])
1195 fi
1196
1197 if test "x$mono_feature_disable_security" = "xyes"; then
1198         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1199         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1200 fi
1201
1202 if test "x$mono_feature_disable_lldb" = "xyes"; then
1203         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1204         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1205 fi
1206
1207 if test "x$mono_feature_disable_mdb" = "xyes"; then
1208         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1209         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1210 fi
1211
1212 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1213         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1214         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1215 fi
1216
1217 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1218         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1219         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1220 fi
1221
1222 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1223         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1224         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1225 fi
1226
1227 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1228         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1229         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1230 fi
1231
1232 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1233         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1234         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1235 fi
1236
1237 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1238 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1239
1240 has_extension_module=no
1241 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1242 [
1243         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1244                 if test x$extension = xdefault ; then
1245                         has_extension_module=yes;
1246                 fi
1247         done
1248         if test x$enable_extension_module = xyes; then
1249                 has_extension_module=yes;
1250         fi
1251 ], [])
1252
1253 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1254
1255 if test x$has_extension_module != xno ; then
1256         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1257         AC_MSG_NOTICE([Enabling mono extension module.])
1258 fi
1259
1260 # Deprecated
1261 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1262
1263 AC_MSG_CHECKING(for visibility __attribute__)
1264 AC_COMPILE_IFELSE([
1265         AC_LANG_SOURCE([[
1266                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1267                 int main () { doit (); return 0; }
1268         ]])
1269 ], [
1270    have_visibility_hidden=yes
1271    AC_MSG_RESULT(yes)
1272 ], [
1273    have_visibility_hidden=no
1274    AC_MSG_RESULT(no)
1275 ])
1276
1277 dnl
1278 dnl Boehm GC configuration
1279 dnl
1280
1281 AC_ARG_WITH(libgc,   [  --with-libgc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_libgc],[libgc=included])
1282
1283 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1284 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1285
1286 if test "x$support_boehm" = "xyes"; then
1287
1288         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1289         if test x$enable_parallel_mark = xyes; then
1290                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1291         fi
1292
1293         gc_msg=""
1294         LIBGC_CPPFLAGS=
1295         LIBGC_LIBS=
1296         LIBGC_STATIC_LIBS=
1297         libgc_dir=
1298         case "x$libgc" in
1299                 xincluded)
1300                         if test "x$support_boehm" = "xyes"; then
1301                                 libgc_dir=libgc
1302                         fi
1303
1304                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1305                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1306                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1307
1308                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1309
1310                         if test x$target_win32 = xyes; then
1311                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1312                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1313                         fi
1314
1315                         gc_msg="Included Boehm GC with typed GC"
1316                         if test x$enable_parallel_mark = xyes; then
1317                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1318                                 gc_msg="$gc_msg and parallel mark"
1319                         else
1320                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1321                         fi
1322                         ;;
1323
1324                 xboehm|xbohem|xyes)
1325                         AC_MSG_WARN("External Boehm is no longer supported")
1326                         ;;
1327
1328                 xsgen)
1329                         AC_MSG_WARN("Use --with-sgen instead, --with-libgc= controls Boehm configuration")
1330                         ;;
1331
1332                 xnone)
1333                         AC_MSG_WARN("Compiling mono without GC.")
1334                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1335                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1336                         gc_msg="none"
1337                         ;;
1338                 *)
1339                         AC_MSG_ERROR([Invalid argument $libgc to --with-libgc.])
1340                         ;;
1341         esac
1342
1343         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1344         if test "x$large_heap" = "xyes"; then
1345            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1346         fi
1347
1348         AC_SUBST(LIBGC_CPPFLAGS)
1349         AC_SUBST(LIBGC_LIBS)
1350         AC_SUBST(LIBGC_STATIC_LIBS)
1351         AC_SUBST(libgc_dir)
1352         AC_SUBST(BOEHM_DEFINES)
1353
1354 fi
1355 AM_CONDITIONAL(SUPPORT_NULLGC, test "x$libgc" = "xnone")
1356
1357 dnl
1358 dnl End of Boehm GC Configuration
1359 dnl
1360
1361 dnl *************************************
1362 dnl *** Checks for zero length arrays ***
1363 dnl *************************************
1364 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1365 AC_TRY_COMPILE([
1366         struct s {
1367                 int  length;
1368                 char data [0];
1369         };
1370 ], [], [
1371         AC_MSG_RESULT(yes)
1372         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1373 ], [
1374         AC_MSG_RESULT(no)
1375         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1376 ])
1377
1378 dnl ***********************************
1379 dnl *** Checks for signals
1380 dnl ***********************************
1381 AC_CHECK_HEADERS(signal.h)
1382 AC_CHECK_FUNCS(sigaction)
1383 AC_CHECK_FUNCS(kill)
1384 AC_CHECK_FUNCS(signal)
1385
1386 # signal() is declared inline in Android headers
1387 # so we need to workaround it by overriding the check.
1388 if test x$platform_android = xyes; then
1389         AC_DEFINE(HAVE_SIGNAL,1)
1390 fi
1391
1392 if test x$host_win32 = xno; then
1393
1394         dnl hires monotonic clock support
1395         AC_SEARCH_LIBS(clock_gettime, rt)
1396         AC_CHECK_FUNCS(clock_nanosleep)
1397
1398         dnl dynamic loader support
1399         AC_CHECK_FUNC(dlopen, DL_LIB="",
1400                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1401         )
1402         if test x$dl_support = xno; then
1403                 AC_MSG_WARN([No dynamic loading support available])
1404         else
1405                 LIBS="$LIBS $DL_LIB"
1406                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1407                 dnl from glib's configure.ac
1408                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1409                         mono_cv_uscore,[
1410                         AC_TRY_RUN([#include <dlfcn.h>
1411                         int mono_underscore_test (void) { return 42; }
1412                         int main() {
1413                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1414                           handle = dlopen ((void*)0, 0);
1415                           if (handle) {
1416                             f1 = dlsym (handle, "mono_underscore_test");
1417                             f2 = dlsym (handle, "_mono_underscore_test");
1418                           } return (!f2 || f1);
1419                         }],
1420                                 [mono_cv_uscore=yes],
1421                                 [mono_cv_uscore=no],
1422                         [])
1423                 ])
1424                 if test "x$mono_cv_uscore" = "xyes"; then
1425                         MONO_DL_NEED_USCORE=1
1426                 else
1427                         MONO_DL_NEED_USCORE=0
1428                 fi
1429                 AC_SUBST(MONO_DL_NEED_USCORE)
1430                 AC_CHECK_FUNC(dlerror)
1431         fi
1432
1433         dnl ******************************************************************
1434         dnl *** Checks for the IKVM JNI interface library                  ***
1435         dnl ******************************************************************
1436         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])
1437
1438         ikvm_native_dir=
1439         if test x$with_ikvm_native = xyes; then
1440                 ikvm_native_dir=ikvm-native
1441                 jdk_headers_found="IKVM Native"
1442         fi
1443
1444         AC_SUBST(ikvm_native_dir)
1445
1446         AC_CHECK_HEADERS(execinfo.h)
1447
1448         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1449
1450         AC_CHECK_FUNCS(getgrgid_r)
1451         AC_CHECK_FUNCS(getgrnam_r)
1452         AC_CHECK_FUNCS(getresuid)
1453         AC_CHECK_FUNCS(setresuid)
1454         AC_CHECK_FUNCS(kqueue)
1455         AC_CHECK_FUNCS(backtrace_symbols)
1456         AC_CHECK_FUNCS(mkstemp)
1457         AC_CHECK_FUNCS(mmap)
1458         AC_CHECK_FUNCS(madvise)
1459         AC_CHECK_FUNCS(getrusage)
1460         AC_CHECK_FUNCS(getpriority)
1461         AC_CHECK_FUNCS(setpriority)
1462         AC_CHECK_FUNCS(dl_iterate_phdr)
1463         AC_CHECK_FUNCS(dladdr)
1464         AC_CHECK_FUNCS(sysconf)
1465         AC_CHECK_FUNCS(getrlimit)
1466         AC_CHECK_FUNCS(prctl)
1467
1468         AC_CHECK_FUNCS(sched_getaffinity)
1469         AC_CHECK_FUNCS(sched_setaffinity)
1470         AC_CHECK_FUNCS(sched_getcpu)
1471
1472         if test x$platform_android != xyes; then
1473                 AC_CHECK_FUNCS(getpwnam_r)
1474                 AC_CHECK_FUNCS(getpwuid_r)
1475         fi
1476
1477         dnl ****************************************************************
1478         dnl *** Check for sched_setaffinity from glibc versions before   ***
1479         dnl *** 2.3.4. The older versions of the function only take 2    ***
1480         dnl *** parameters, not 3.                                       ***
1481         dnl ***                                                          ***
1482         dnl *** Because the interface change was not made in a minor     ***
1483         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1484         dnl *** won't always indicate the interface sched_affinity has.  ***
1485         dnl ****************************************************************
1486         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1487         AC_TRY_COMPILE([#include <sched.h>], [
1488             int mask = 1;
1489             sched_setaffinity(0, &mask);
1490                         return 0;
1491         ], [
1492                 # Yes, we have it...
1493                 AC_MSG_RESULT(yes)
1494                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1495         ], [
1496                 # We have the new, three-parameter version
1497                 AC_MSG_RESULT(no)
1498         ])
1499         AC_TRY_COMPILE([#include <sched.h>], [
1500              CPU_COUNT((void *) 0);
1501         ], [
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1504         ], [
1505                 # We have the new, three-parameter version
1506                 AC_MSG_RESULT(no)
1507         ])
1508
1509         dnl ******************************************************************
1510         dnl *** Check for large file support                               ***
1511         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1512         dnl ******************************************************************
1513
1514         # Check that off_t can represent 2**63 - 1 correctly, working around
1515         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1516         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1517         large_offt=no
1518         AC_DEFUN([LARGE_FILES], [
1519                 large_CPPFLAGS=$CPPFLAGS
1520                 CPPFLAGS="$CPPFLAGS $1"
1521                 AC_TRY_COMPILE([
1522                         #include <sys/types.h>
1523                         #include <limits.h>
1524                 ], [
1525                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1526                         #define COMPILE_TIME_ASSERT(pred) \
1527                                 switch(0){case 0:case pred:;}
1528                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1529                 ], [
1530                         AC_MSG_RESULT(ok)
1531                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1532                         large_CPPFLAGS="$large_CPPFLAGS $1"
1533                         large_offt=yes
1534                 ], [
1535                         AC_MSG_RESULT(no)
1536                 ])
1537                 CPPFLAGS=$large_CPPFLAGS
1538         ])
1539
1540         AC_MSG_CHECKING(if off_t is 64 bits wide)
1541         LARGE_FILES("")
1542         if test $large_offt = no; then
1543                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1544                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1545         fi
1546         if test $large_offt = no; then
1547                 AC_MSG_WARN([No 64 bit file size support available])
1548         fi
1549
1550         dnl *****************************
1551         dnl *** Checks for libsocket  ***
1552         dnl *****************************
1553         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1554
1555         case "$host" in
1556                 *-*-*freebsd*)
1557                         dnl *****************************
1558                         dnl *** Checks for libinotify ***
1559                         dnl *****************************
1560                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1561         esac
1562
1563         dnl *******************************
1564         dnl *** Checks for MSG_NOSIGNAL ***
1565         dnl *******************************
1566         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1567         AC_TRY_COMPILE([#include <sys/socket.h>], [
1568                 int f = MSG_NOSIGNAL;
1569         ], [
1570                 # Yes, we have it...
1571                 AC_MSG_RESULT(yes)
1572                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1573         ], [
1574                 # We'll have to use signals
1575                 AC_MSG_RESULT(no)
1576         ])
1577
1578         dnl *****************************
1579         dnl *** Checks for IPPROTO_IP ***
1580         dnl *****************************
1581         AC_MSG_CHECKING(for IPPROTO_IP)
1582         AC_TRY_COMPILE([#include <netinet/in.h>], [
1583                 int level = IPPROTO_IP;
1584         ], [
1585                 # Yes, we have it...
1586                 AC_MSG_RESULT(yes)
1587                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1588         ], [
1589                 # We'll have to use getprotobyname
1590                 AC_MSG_RESULT(no)
1591         ])
1592
1593         dnl *******************************
1594         dnl *** Checks for IPPROTO_IPV6 ***
1595         dnl *******************************
1596         AC_MSG_CHECKING(for IPPROTO_IPV6)
1597         AC_TRY_COMPILE([#include <netinet/in.h>], [
1598                 int level = IPPROTO_IPV6;
1599         ], [
1600                 # Yes, we have it...
1601                 AC_MSG_RESULT(yes)
1602                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1603         ], [
1604                 # We'll have to use getprotobyname
1605                 AC_MSG_RESULT(no)
1606         ])
1607
1608         dnl ******************************
1609         dnl *** Checks for IPPROTO_TCP ***
1610         dnl ******************************
1611         AC_MSG_CHECKING(for IPPROTO_TCP)
1612         AC_TRY_COMPILE([#include <netinet/in.h>], [
1613                 int level = IPPROTO_TCP;
1614         ], [
1615                 # Yes, we have it...
1616                 AC_MSG_RESULT(yes)
1617                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1618         ], [
1619                 # We'll have to use getprotobyname
1620                 AC_MSG_RESULT(no)
1621         ])
1622
1623         dnl *****************************
1624         dnl *** Checks for SOL_IP     ***
1625         dnl *****************************
1626         AC_MSG_CHECKING(for SOL_IP)
1627         AC_TRY_COMPILE([#include <netdb.h>], [
1628                 int level = SOL_IP;
1629         ], [
1630                 # Yes, we have it...
1631                 AC_MSG_RESULT(yes)
1632                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1633         ], [
1634                 # We'll have to use getprotobyname
1635                 AC_MSG_RESULT(no)
1636         ])
1637
1638         dnl *****************************
1639         dnl *** Checks for SOL_IPV6     ***
1640         dnl *****************************
1641         AC_MSG_CHECKING(for SOL_IPV6)
1642         AC_TRY_COMPILE([#include <netdb.h>], [
1643                 int level = SOL_IPV6;
1644         ], [
1645                 # Yes, we have it...
1646                 AC_MSG_RESULT(yes)
1647                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1648         ], [
1649                 # We'll have to use getprotobyname
1650                 AC_MSG_RESULT(no)
1651         ])
1652
1653         dnl *****************************
1654         dnl *** Checks for SOL_TCP    ***
1655         dnl *****************************
1656         AC_MSG_CHECKING(for SOL_TCP)
1657         AC_TRY_COMPILE([#include <netdb.h>], [
1658                 int level = SOL_TCP;
1659         ], [
1660                 # Yes, we have it...
1661                 AC_MSG_RESULT(yes)
1662                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1663         ], [
1664                 # We'll have to use getprotobyname
1665                 AC_MSG_RESULT(no)
1666         ])
1667
1668         dnl *****************************
1669         dnl *** Checks for IP_PKTINFO ***
1670         dnl *****************************
1671         AC_MSG_CHECKING(for IP_PKTINFO)
1672         AC_TRY_COMPILE([#include <linux/in.h>], [
1673                 int level = IP_PKTINFO;
1674         ], [
1675                 # Yes, we have it...
1676                 AC_MSG_RESULT(yes)
1677                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1678         ], [
1679                 AC_MSG_RESULT(no)
1680         ])
1681
1682         dnl *****************************
1683         dnl *** Checks for IPV6_PKTINFO ***
1684         dnl *****************************
1685         AC_MSG_CHECKING(for IPV6_PKTINFO)
1686         AC_TRY_COMPILE([#include <netdb.h>], [
1687                 int level = IPV6_PKTINFO;
1688         ], [
1689                 # Yes, we have it...
1690                 AC_MSG_RESULT(yes)
1691                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1692         ], [
1693                 AC_MSG_RESULT(no)
1694         ])
1695
1696         dnl **********************************
1697         dnl *** Checks for IP_DONTFRAG     ***
1698         dnl **********************************
1699         AC_MSG_CHECKING(for IP_DONTFRAG)
1700         AC_TRY_COMPILE([#include <netinet/in.h>], [
1701                 int level = IP_DONTFRAG;
1702         ], [
1703                 # Yes, we have it...
1704                 AC_MSG_RESULT(yes)
1705                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1706         ], [
1707                 AC_MSG_RESULT(no)
1708         ])
1709
1710         dnl **********************************
1711         dnl *** Checks for IP_DONTFRAGMENT ***
1712         dnl **********************************
1713         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1714         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1715                 int level = IP_DONTFRAGMENT;
1716         ], [
1717                 # Yes, we have it...
1718                 AC_MSG_RESULT(yes)
1719                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1720         ], [
1721                 AC_MSG_RESULT(no)
1722         ])
1723
1724         dnl **********************************
1725         dnl *** Checks for IP_MTU_DISCOVER ***
1726         dnl **********************************
1727         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1728         AC_TRY_COMPILE([#include <linux/in.h>], [
1729                 int level = IP_MTU_DISCOVER;
1730         ], [
1731                 # Yes, we have it...
1732                 AC_MSG_RESULT(yes)
1733                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1734         ], [
1735                 AC_MSG_RESULT(no)
1736         ])
1737
1738         dnl **********************************
1739         dnl *** Checks for  IP_PMTUDISC_DO ***
1740         dnl **********************************
1741         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1742         AC_TRY_COMPILE([#include <linux/in.h>], [
1743                 int level = IP_PMTUDISC_DO;
1744         ], [
1745                 # Yes, we have it...
1746                 AC_MSG_RESULT(yes)
1747                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1748         ], [
1749                 AC_MSG_RESULT(no)
1750         ])
1751
1752         dnl *********************************
1753         dnl *** Check for struct ip_mreqn ***
1754         dnl *********************************
1755         AC_MSG_CHECKING(for struct ip_mreqn)
1756         AC_TRY_COMPILE([#include <netinet/in.h>], [
1757                 struct ip_mreqn mreq;
1758                 mreq.imr_address.s_addr = 0;
1759         ], [
1760                 # Yes, we have it...
1761                 AC_MSG_RESULT(yes)
1762                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1763         ], [
1764                 # We'll just have to try and use struct ip_mreq
1765                 AC_MSG_RESULT(no)
1766                 AC_MSG_CHECKING(for struct ip_mreq)
1767                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1768                         struct ip_mreq mreq;
1769                         mreq.imr_interface.s_addr = 0;
1770                 ], [
1771                         # Yes, we have it...
1772                         AC_MSG_RESULT(yes)
1773                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1774                 ], [
1775                         # No multicast support
1776                         AC_MSG_RESULT(no)
1777                 ])
1778         ])
1779
1780         dnl **********************************
1781         dnl *** Check for getaddrinfo ***
1782         dnl **********************************
1783         AC_MSG_CHECKING(for getaddrinfo)
1784                 AC_TRY_LINK([
1785                 #include <stdio.h>
1786                 #include <netdb.h>
1787         ], [
1788                 getaddrinfo(NULL,NULL,NULL,NULL);
1789         ], [
1790                 # Yes, we have it...
1791                 AC_MSG_RESULT(yes)
1792                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1793         ], [
1794                 AC_MSG_RESULT(no)
1795         ])
1796
1797         dnl **********************************
1798         dnl *** Check for gethostbyname2_r ***
1799         dnl **********************************
1800         AC_MSG_CHECKING(for gethostbyname2_r)
1801                 AC_TRY_LINK([
1802                 #include <stdio.h>
1803                 #include <netdb.h>
1804         ], [
1805
1806                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1807         ], [
1808                 # Yes, we have it...
1809                 AC_MSG_RESULT(yes)
1810                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1811         ], [
1812                 AC_MSG_RESULT(no)
1813         ])
1814
1815         dnl **********************************
1816         dnl *** Check for gethostbyname2 ***
1817         dnl **********************************
1818         AC_MSG_CHECKING(for gethostbyname2)
1819                 AC_TRY_LINK([
1820                 #include <stdio.h>
1821                 #include <netdb.h>
1822         ], [
1823                 gethostbyname2(NULL,0);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831
1832         dnl **********************************
1833         dnl *** Check for gethostbyname ***
1834         dnl **********************************
1835         AC_MSG_CHECKING(for gethostbyname)
1836                 AC_TRY_LINK([
1837                 #include <stdio.h>
1838                 #include <netdb.h>
1839         ], [
1840                 gethostbyname(NULL);
1841         ], [
1842                 # Yes, we have it...
1843                 AC_MSG_RESULT(yes)
1844                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1845         ], [
1846                 AC_MSG_RESULT(no)
1847         ])
1848
1849         dnl **********************************
1850         dnl *** Check for getprotobyname ***
1851         dnl **********************************
1852         AC_MSG_CHECKING(for getprotobyname)
1853                 AC_TRY_LINK([
1854                 #include <stdio.h>
1855                 #include <netdb.h>
1856         ], [
1857                 getprotobyname(NULL);
1858         ], [
1859                 # Yes, we have it...
1860                 AC_MSG_RESULT(yes)
1861                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1862         ], [
1863                 AC_MSG_RESULT(no)
1864         ])
1865
1866         dnl **********************************
1867         dnl *** Check for getnameinfo ***
1868         dnl **********************************
1869         AC_MSG_CHECKING(for getnameinfo)
1870                 AC_TRY_LINK([
1871                 #include <stdio.h>
1872                 #include <netdb.h>
1873         ], [
1874                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1875         ], [
1876                 # Yes, we have it...
1877                 AC_MSG_RESULT(yes)
1878                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1879         ], [
1880                 AC_MSG_RESULT(no)
1881         ])
1882
1883
1884         dnl **********************************
1885         dnl *** Check for inet_ntop ***
1886         dnl **********************************
1887         AC_MSG_CHECKING(for inet_ntop)
1888                 AC_TRY_LINK([
1889                 #include <stdio.h>
1890                 #include <arpa/inet.h>
1891         ], [
1892                 inet_ntop (0, NULL, NULL, 0);
1893         ], [
1894                 # Yes, we have it...
1895                 AC_MSG_RESULT(yes)
1896                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1897         ], [
1898                 AC_MSG_RESULT(no)
1899         ])
1900
1901         dnl *****************************
1902         dnl *** Checks for libnsl     ***
1903         dnl *****************************
1904         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1905
1906         AC_CHECK_FUNCS(inet_pton inet_aton)
1907
1908         dnl *****************************
1909         dnl *** Checks for libxnet    ***
1910         dnl *****************************
1911         case "${host}" in
1912                 *solaris* )
1913                         AC_MSG_CHECKING(for Solaris XPG4 support)
1914                         if test -f /usr/lib/libxnet.so; then
1915                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1916                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1917                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1918                                 LIBS="$LIBS -lxnet"
1919                                 AC_MSG_RESULT(yes)
1920                         else
1921                                 AC_MSG_RESULT(no)
1922                         fi
1923
1924                         if test "$GCC" = "yes"; then
1925                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1926                         fi
1927                 ;;
1928         esac
1929
1930         dnl *****************************
1931         dnl *** Checks for libpthread ***
1932         dnl *****************************
1933 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1934 # and libpthread does not exist
1935 #
1936         case "${host}" in
1937                 *-*-*haiku*)
1938                         dnl Haiku has pthread in libroot (libc equiv)
1939                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS")
1940                 ;;
1941                 *-*-*freebsd*)
1942                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1943                 ;;
1944                 *-*-*openbsd*)
1945                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1946                 ;;
1947                 *)
1948                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1949                 ;;
1950         esac
1951         AC_CHECK_HEADERS(pthread.h)
1952         AC_CHECK_HEADERS(pthread_np.h)
1953         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1954         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np pthread_cond_timedwait_relative_np)
1955         AC_CHECK_FUNCS(pthread_kill)
1956         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1957         AC_TRY_COMPILE([ #include <pthread.h>], [
1958                 pthread_mutexattr_t attr;
1959                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1960         ], [
1961                 AC_MSG_RESULT(ok)
1962         ], [
1963                 AC_MSG_RESULT(no)
1964                 AC_ERROR(Posix system lacks support for recursive mutexes)
1965         ])
1966         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1967         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1968         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1969
1970         dnl **********************************
1971         dnl *** Check for mincore ***
1972         dnl **********************************
1973         AC_MSG_CHECKING(for mincore)
1974                 AC_TRY_LINK([
1975                 #include <stdio.h>
1976                 #include <sys/types.h>
1977                 #include <sys/mman.h>
1978         ], [
1979                 mincore(NULL, 0, NULL);
1980         ], [
1981                 # Yes, we have it...
1982                 AC_MSG_RESULT(yes)
1983                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1984         ], [
1985                 AC_MSG_RESULT(no)
1986         ])
1987
1988         dnl ***********************************
1989         dnl *** Checks for working __thread ***
1990         dnl ***********************************
1991         AC_MSG_CHECKING(for working __thread)
1992         if test "x$with_tls" != "x__thread"; then
1993                 AC_MSG_RESULT(disabled)
1994         elif test "x$cross_compiling" = "xyes"; then
1995                 AC_MSG_RESULT(cross compiling, assuming yes)
1996         else
1997                 AC_TRY_RUN([
1998                         #if defined(__APPLE__) && defined(__clang__)
1999                         #error "__thread does not currently work with clang on Mac OS X"
2000                         #endif
2001
2002                         #include <pthread.h>
2003                         __thread int i;
2004                         static int res1, res2;
2005
2006                         void thread_main (void *arg)
2007                         {
2008                                 i = arg;
2009                                 sleep (1);
2010                                 if (arg == 1)
2011                                         res1 = (i == arg);
2012                                 else
2013                                         res2 = (i == arg);
2014                         }
2015
2016                         int main () {
2017                                 pthread_t t1, t2;
2018
2019                                 i = 5;
2020
2021                                 pthread_create (&t1, NULL, thread_main, 1);
2022                                 pthread_create (&t2, NULL, thread_main, 2);
2023
2024                                 pthread_join (t1, NULL);
2025                                 pthread_join (t2, NULL);
2026
2027                                 return !(res1 + res2 == 2);
2028                         }
2029                 ], [
2030                                 AC_MSG_RESULT(yes)
2031                 ], [
2032                                 AC_MSG_RESULT(no)
2033                                 with_tls=pthread
2034                 ])
2035         fi
2036
2037         dnl **************************************
2038         dnl *** Checks for working sigaltstack ***
2039         dnl **************************************
2040         AC_MSG_CHECKING(for working sigaltstack)
2041         if test "x$with_sigaltstack" != "xyes"; then
2042                 AC_MSG_RESULT(disabled)
2043         elif test "x$cross_compiling" = "xyes"; then
2044                 AC_MSG_RESULT(cross compiling, assuming yes)
2045         else
2046                 AC_TRY_RUN([
2047                         #include <stdio.h>
2048                         #include <stdlib.h>
2049                         #include <unistd.h>
2050                         #include <signal.h>
2051                         #include <pthread.h>
2052                         #include <sys/wait.h>
2053                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2054                         #define SA_STACK SA_ONSTACK
2055                         #endif
2056                         static void
2057                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2058                         {
2059                                 exit (0);
2060                         }
2061
2062                         volatile char*__ptr = NULL;
2063                         static void *
2064                         loop (void *ignored)
2065                         {
2066                                 *__ptr = 0;
2067                                 return NULL;
2068                         }
2069
2070                         static void
2071                         child ()
2072                         {
2073                                 struct sigaction sa;
2074                         #ifdef __APPLE__
2075                                 stack_t sas;
2076                         #else
2077                                 struct sigaltstack sas;
2078                         #endif
2079                                 pthread_t id;
2080                                 pthread_attr_t attr;
2081
2082                                 sa.sa_sigaction = sigsegv_signal_handler;
2083                                 sigemptyset (&sa.sa_mask);
2084                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2085                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2086                                         perror ("sigaction");
2087                                         return;
2088                                 }
2089
2090                                 /* x86 darwin deliver segfaults using SIGBUS */
2091                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2092                                         perror ("sigaction");
2093                                         return;
2094                                 }
2095                                 sas.ss_sp = malloc (SIGSTKSZ);
2096                                 sas.ss_size = SIGSTKSZ;
2097                                 sas.ss_flags = 0;
2098                                 if (sigaltstack (&sas, NULL) == -1) {
2099                                         perror ("sigaltstack");
2100                                         return;
2101                                 }
2102
2103                                 pthread_attr_init (&attr);
2104                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2105                                         printf ("pthread_create\n");
2106                                         return;
2107                                 }
2108
2109                                 sleep (100);
2110                         }
2111
2112                         int
2113                         main ()
2114                         {
2115                                 pid_t son;
2116                                 int status;
2117                                 int i;
2118
2119                                 son = fork ();
2120                                 if (son == -1) {
2121                                         return 1;
2122                                 }
2123
2124                                 if (son == 0) {
2125                                         child ();
2126                                         return 0;
2127                                 }
2128
2129                                 for (i = 0; i < 300; ++i) {
2130                                         waitpid (son, &status, WNOHANG);
2131                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2132                                                 return 0;
2133                                         usleep (10000);
2134                                 }
2135
2136                                 kill (son, SIGKILL);
2137                                 return 1;
2138                         }
2139
2140                 ], [
2141                                 AC_MSG_RESULT(yes)
2142                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2143                 ], [
2144                                 with_sigaltstack=no
2145                                 AC_MSG_RESULT(no)
2146                 ])
2147         fi
2148
2149         dnl ********************************
2150         dnl *** Checks for semaphore lib ***
2151         dnl ********************************
2152         # 'Real Time' functions on Solaris
2153         # posix4 on Solaris 2.6
2154         # pthread (first!) on Linux
2155         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2156
2157         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2158         AC_CHECK_FUNCS(shm_open)
2159
2160         dnl ********************************
2161         dnl *** Checks for timezone stuff **
2162         dnl ********************************
2163         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2164                 AC_TRY_COMPILE([
2165                         #include <time.h>
2166                         ], [
2167                         struct tm tm;
2168                         tm.tm_gmtoff = 1;
2169                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2170         if test $ac_cv_struct_tm_gmtoff = yes; then
2171                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2172         else
2173                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2174                         AC_TRY_COMPILE([
2175                                 #include <time.h>
2176                         ], [
2177                                 timezone = 1;
2178                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2179                 if test $ac_cv_var_timezone = yes; then
2180                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2181                 else
2182                         AC_ERROR(unable to find a way to determine timezone)
2183                 fi
2184         fi
2185
2186         dnl *********************************
2187         dnl *** Checks for math functions ***
2188         dnl *********************************
2189         AC_SEARCH_LIBS(sqrtf, m)
2190         if test "x$has_broken_apple_cpp" != "xyes"; then
2191                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2192                         AC_TRY_LINK([#include <math.h>],
2193                         [ finite(0.0); ],
2194                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2195                         AC_MSG_RESULT(no)))
2196         fi
2197         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2198                 AC_TRY_LINK([#include <math.h>],
2199                 [ isfinite(0.0); ],
2200                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2201                 AC_MSG_RESULT(no)))
2202
2203         dnl ****************************************************************
2204         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2205         dnl *** have it in the library (duh))                            ***
2206         dnl ****************************************************************
2207         AC_CHECK_FUNCS(poll)
2208
2209         dnl *************************
2210         dnl *** Check for signbit ***
2211         dnl *************************
2212         AC_MSG_CHECKING(for signbit)
2213         AC_TRY_LINK([#include <math.h>], [
2214                 int s = signbit(1.0);
2215         ], [
2216                 AC_MSG_RESULT(yes)
2217                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2218         ], [
2219                 AC_MSG_RESULT(no)
2220         ])
2221
2222         dnl **********************************
2223         dnl *** epoll                      ***
2224         dnl **********************************
2225         AC_CHECK_HEADERS(sys/epoll.h)
2226         haveepoll=no
2227         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2228         if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2229                 AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2230         fi
2231
2232         havekqueue=no
2233
2234         AC_CHECK_HEADERS(sys/event.h)
2235         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2236
2237         dnl **************************************
2238         dnl * Darwin has a race that prevents us from using reliably:
2239         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2240         dnl * Since kqueue is mostly used for scaling large web servers,
2241         dnl * and very few folks run Mono on large web servers on OSX, falling
2242         dnl * back
2243         dnl **************************************
2244         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2245                 if test "x$host_darwin" = "xno"; then
2246                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2247                 fi
2248         fi
2249
2250         dnl ******************************
2251         dnl *** Checks for SIOCGIFCONF ***
2252         dnl ******************************
2253         AC_CHECK_HEADERS(sys/ioctl.h)
2254         AC_CHECK_HEADERS(net/if.h, [], [],
2255            [
2256            #ifdef HAVE_SYS_TYPES_H
2257            # include <sys/types.h>
2258            #endif
2259            #ifdef HAVE_SYS_SOCKET_H
2260            # include <sys/socket.h>
2261            #endif
2262            ])
2263         AC_MSG_CHECKING(for ifreq)
2264         AC_TRY_COMPILE([
2265                 #include <stdio.h>
2266                 #include <sys/ioctl.h>
2267                 #include <net/if.h>
2268                 ], [
2269                 struct ifconf ifc;
2270                 struct ifreq *ifr;
2271                 void *x;
2272                 ifc.ifc_len = 0;
2273                 ifc.ifc_buf = NULL;
2274                 x = (void *) &ifr->ifr_addr;
2275                 ],[
2276                         AC_MSG_RESULT(yes)
2277                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2278                 ], [
2279                         AC_MSG_RESULT(no)
2280                 ])
2281         dnl **********************************
2282         dnl ***     Checks for sin_len     ***
2283         dnl **********************************
2284         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2285         AC_TRY_COMPILE([
2286                 #include <netinet/in.h>
2287                 ], [
2288                 struct sockaddr_in saddr;
2289                 saddr.sin_len = sizeof (saddr);
2290                 ],[
2291                         AC_MSG_RESULT(yes)
2292                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2293                 ], [
2294                         AC_MSG_RESULT(no)
2295                 ])
2296         dnl **********************************
2297         dnl ***    Checks for sin6_len     ***
2298         dnl **********************************
2299         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2300         AC_TRY_COMPILE([
2301                 #include <netinet/in.h>
2302                 ], [
2303                 struct sockaddr_in6 saddr6;
2304                 saddr6.sin6_len = sizeof (saddr6);
2305                 ],[
2306                         AC_MSG_RESULT(yes)
2307                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2308                 ], [
2309                         AC_MSG_RESULT(no)
2310                 ])
2311         dnl **********************************
2312         dnl *** Check for getifaddrs       ***
2313         dnl **********************************
2314         AC_MSG_CHECKING(for getifaddrs)
2315                 AC_TRY_LINK([
2316                 #include <stdio.h>
2317                 #include <sys/types.h>
2318                 #include <sys/socket.h>
2319                 #include <ifaddrs.h>
2320         ], [
2321                 getifaddrs(NULL);
2322         ], [
2323                 # Yes, we have it...
2324                 AC_MSG_RESULT(yes)
2325                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2326         ], [
2327                 AC_MSG_RESULT(no)
2328         ])
2329         dnl **********************************
2330         dnl *** Check for if_nametoindex   ***
2331         dnl **********************************
2332         AC_MSG_CHECKING(for if_nametoindex)
2333                 AC_TRY_LINK([
2334                 #include <stdio.h>
2335                 #include <sys/types.h>
2336                 #include <sys/socket.h>
2337                 #include <net/if.h>
2338         ], [
2339                 if_nametoindex(NULL);
2340         ], [
2341                 # Yes, we have it...
2342                 AC_MSG_RESULT(yes)
2343                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2344         ], [
2345                 AC_MSG_RESULT(no)
2346         ])
2347
2348         dnl **********************************
2349         dnl *** Checks for proclib         ***
2350         dnl **********************************
2351         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.)])
2352         dnl **********************************
2353         dnl *** Checks for MonoPosixHelper ***
2354         dnl **********************************
2355         AC_CHECK_HEADERS(checklist.h)
2356         AC_CHECK_HEADERS(pathconf.h)
2357         AC_CHECK_HEADERS(fstab.h)
2358         AC_CHECK_HEADERS(attr/xattr.h)
2359         AC_CHECK_HEADERS(sys/extattr.h)
2360         AC_CHECK_HEADERS(sys/sendfile.h)
2361         AC_CHECK_HEADERS(sys/statvfs.h)
2362         AC_CHECK_HEADERS(sys/statfs.h)
2363         AC_CHECK_HEADERS(sys/vfstab.h)
2364         AC_CHECK_HEADERS(sys/xattr.h)
2365         AC_CHECK_HEADERS(sys/mman.h)
2366         AC_CHECK_HEADERS(sys/param.h)
2367         AC_CHECK_HEADERS(sys/mount.h, [], [],
2368                 [
2369                 #ifdef HAVE_SYS_PARAM_H
2370                 # include <sys/param.h>
2371                 #endif
2372                 ])
2373         AC_CHECK_HEADERS(sys/mount.h)
2374         AC_CHECK_FUNCS(confstr)
2375         AC_CHECK_FUNCS(seekdir telldir)
2376         AC_CHECK_FUNCS(getdomainname)
2377         AC_CHECK_FUNCS(setdomainname)
2378         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2379         AC_CHECK_FUNCS(setgroups)
2380         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2381         AC_CHECK_FUNCS(getfsstat)
2382         AC_CHECK_FUNCS(lutimes futimes)
2383         AC_CHECK_FUNCS(mremap)
2384         AC_CHECK_FUNCS(remap_file_pages)
2385         AC_CHECK_FUNCS(posix_fadvise)
2386         AC_CHECK_FUNCS(posix_fallocate)
2387         AC_CHECK_FUNCS(posix_madvise)
2388         AC_CHECK_FUNCS(vsnprintf)
2389         AC_CHECK_FUNCS(sendfile)
2390         AC_CHECK_FUNCS(gethostid sethostid)
2391         AC_CHECK_FUNCS(sethostname)
2392         AC_CHECK_FUNCS(statfs)
2393         AC_CHECK_FUNCS(fstatfs)
2394         AC_CHECK_FUNCS(statvfs)
2395         AC_CHECK_FUNCS(fstatvfs)
2396         AC_CHECK_FUNCS(stime)
2397         AC_CHECK_FUNCS(strerror_r)
2398         AC_CHECK_FUNCS(ttyname_r)
2399         AC_CHECK_FUNCS(psignal)
2400         AC_CHECK_FUNCS(getlogin_r)
2401         AC_CHECK_FUNCS(lockf)
2402         AC_CHECK_FUNCS(swab)
2403         AC_CHECK_FUNCS(setusershell endusershell)
2404         AC_CHECK_FUNCS(futimens utimensat)
2405         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2406         AC_CHECK_FUNCS(readv writev preadv pwritev)
2407         AC_CHECK_FUNCS(setpgid)
2408         AC_CHECK_FUNCS(system)
2409         AC_CHECK_FUNCS(fork execv execve)
2410         AC_CHECK_FUNCS(accept4)
2411         AC_CHECK_FUNCS(localtime_r)
2412         AC_CHECK_FUNCS(mkdtemp)
2413         AC_CHECK_SIZEOF(size_t)
2414         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2415                 [#include <sys/types.h>
2416                  #include <sys/stat.h>
2417                  #include <unistd.h>])
2418         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2419                 [#include <sys/types.h>
2420                  #include <sys/stat.h>
2421                  #include <unistd.h>])
2422         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2423                 [#include <sys/time.h>])
2424         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2425                 [#include <sys/socket.h>])
2426         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2427                 [#include <unistd.h>
2428                  #include <fcntl.h>])
2429         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2430                 [#include <sys/uio.h>])
2431         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2432                 [#include <sys/socket.h>])
2433         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2434                 [#include <sys/poll.h>])
2435         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2436                 [#include <sys/socket.h>])
2437         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2438                 [#include <sys/socket.h>])
2439         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2440                 [#include <netinet/in.h>])
2441         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2442                 [#include <netinet/in.h>])
2443         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2444                 [#include <sys/un.h>])
2445         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2446                 [#include <sys/types.h>
2447                  #include <sys/stat.h>
2448                  #include <unistd.h>])
2449         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2450                 [#include <time.h>])
2451         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2452                 [#include <sys/time.h>
2453                  #include <sys/types.h>
2454                  #include <utime.h>])
2455         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2456                 [#include <sys/time.h>])
2457         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2458                 [#include <sys/types.h>
2459                  #include <utime.h>])
2460         AC_CHECK_MEMBERS(
2461                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2462                 [#include <sys/types.h>
2463                  #include <dirent.h>])
2464         AC_CHECK_MEMBERS(
2465                 [struct passwd.pw_gecos],,,
2466                 [#include <sys/types.h>
2467                  #include <pwd.h>])
2468         AC_CHECK_MEMBERS(
2469                 [struct statfs.f_flags],,,
2470                 [#include <sys/types.h>
2471                  #include <sys/vfs.h>])
2472         AC_CHECK_MEMBERS(
2473                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2474                 [#include <sys/types.h>
2475                  #include <sys/stat.h>
2476                  #include <unistd.h>])
2477
2478         dnl Favour xattr through glibc, but use libattr if we have to
2479         AC_CHECK_FUNC(lsetxattr, ,
2480                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2481         )
2482         AC_SUBST(XATTR_LIB)
2483
2484         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2485         AC_CHECK_MEMBERS(
2486                 [struct kinfo_proc.kp_proc],,,
2487                 [#include <sys/types.h>
2488                  #include <sys/param.h>
2489                  #include <sys/sysctl.h>
2490                  #include <sys/proc.h>
2491                  ])
2492
2493         dnl *********************************
2494         dnl *** Checks for Windows compilation ***
2495         dnl *********************************
2496         AC_CHECK_HEADERS(sys/time.h)
2497         AC_CHECK_HEADERS(sys/param.h)
2498         AC_CHECK_HEADERS(dirent.h)
2499
2500         dnl ******************************************
2501         dnl *** Checks for OSX and iOS compilation ***
2502         dnl ******************************************
2503         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2504
2505         dnl *********************************
2506         dnl *** Check for Console 2.0 I/O ***
2507         dnl *********************************
2508         AC_CHECK_HEADERS([curses.h])
2509         AC_CHECK_HEADERS([term.h], [], [],
2510         [#if HAVE_CURSES_H
2511          #include <curses.h>
2512          #endif
2513         ])
2514         AC_CHECK_HEADERS([termios.h])
2515 else
2516         dnl *********************************
2517         dnl *** Checks for Windows compilation ***
2518         dnl *********************************
2519         AC_CHECK_HEADERS(winternl.h)
2520
2521         jdk_headers_found=no
2522         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2523         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2524         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2525         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2526         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2527         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2528         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2529
2530         dnl *********************************
2531         dnl *** Check for struct ip_mreqn ***
2532         dnl *********************************
2533         AC_MSG_CHECKING(for struct ip_mreqn)
2534         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2535                 struct ip_mreqn mreq;
2536                 mreq.imr_address.s_addr = 0;
2537         ], [
2538                 # Yes, we have it...
2539                 AC_MSG_RESULT(yes)
2540                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2541         ], [
2542                 # We'll just have to try and use struct ip_mreq
2543                 AC_MSG_RESULT(no)
2544                 AC_MSG_CHECKING(for struct ip_mreq)
2545                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2546                         struct ip_mreq mreq;
2547                         mreq.imr_interface.s_addr = 0;
2548                 ], [
2549                         # Yes, we have it...
2550                         AC_MSG_RESULT(yes)
2551                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2552                 ], [
2553                         # No multicast support
2554                         AC_MSG_RESULT(no)
2555                 ])
2556         ])
2557
2558         dnl **********************************
2559         dnl *** Check for getaddrinfo ***
2560         dnl **********************************
2561         AC_MSG_CHECKING(for getaddrinfo)
2562                 AC_TRY_LINK([
2563                 #include <stdio.h>
2564                 #include <winsock2.h>
2565                 #include <ws2tcpip.h>
2566         ], [
2567                 getaddrinfo(NULL,NULL,NULL,NULL);
2568         ], [
2569                 # Yes, we have it...
2570                 AC_MSG_RESULT(yes)
2571                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2572         ], [
2573                 AC_MSG_RESULT(no)
2574         ])
2575
2576         dnl **********************************
2577         dnl *** Check for gethostbyname ***
2578         dnl **********************************
2579         AC_MSG_CHECKING(for gethostbyname)
2580                 AC_TRY_LINK([
2581                 #include <stdio.h>
2582                 #include <winsock2.h>
2583                 #include <ws2tcpip.h>
2584         ], [
2585                 gethostbyname(NULL);
2586         ], [
2587                 # Yes, we have it...
2588                 AC_MSG_RESULT(yes)
2589                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2590         ], [
2591                 AC_MSG_RESULT(no)
2592         ])
2593
2594         dnl **********************************
2595         dnl *** Check for getprotobyname ***
2596         dnl **********************************
2597         AC_MSG_CHECKING(for getprotobyname)
2598                 AC_TRY_LINK([
2599                 #include <stdio.h>
2600                 #include <winsock2.h>
2601                 #include <ws2tcpip.h>
2602         ], [
2603                 getprotobyname(NULL);
2604         ], [
2605                 # Yes, we have it...
2606                 AC_MSG_RESULT(yes)
2607                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2608         ], [
2609                 AC_MSG_RESULT(no)
2610         ])
2611
2612         dnl **********************************
2613         dnl *** Check for getnameinfo ***
2614         dnl **********************************
2615         AC_MSG_CHECKING(for getnameinfo)
2616                 AC_TRY_LINK([
2617                 #include <stdio.h>
2618                 #include <winsock2.h>
2619                 #include <ws2tcpip.h>
2620         ], [
2621                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2622         ], [
2623                 # Yes, we have it...
2624                 AC_MSG_RESULT(yes)
2625                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2626         ], [
2627                 AC_MSG_RESULT(no)
2628         ])
2629
2630         dnl **********************************
2631         dnl *** Check for inet_ntop ***
2632         dnl **********************************
2633         AC_MSG_CHECKING(for inet_ntop)
2634                 AC_TRY_LINK([
2635                 #include <stdio.h>
2636                 #include <winsock2.h>
2637                 #include <ws2tcpip.h>
2638         ], [
2639                 inet_ntop (0, NULL, NULL, 0);
2640         ], [
2641                 # Yes, we have it...
2642                 AC_MSG_RESULT(yes)
2643                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2644         ], [
2645                 AC_MSG_RESULT(no)
2646         ])
2647
2648         dnl **********************************
2649         dnl *** Check for inet_pton ***
2650         dnl **********************************
2651         AC_MSG_CHECKING(for inet_pton)
2652                 AC_TRY_LINK([
2653                 #include <stdio.h>
2654                 #include <winsock2.h>
2655                 #include <ws2tcpip.h>
2656         ], [
2657                 #ifndef inet_pton
2658                 (void) inet_pton;
2659                 #endif
2660                 inet_pton (0, NULL, NULL);
2661         ], [
2662                 # Yes, we have it...
2663                 AC_MSG_RESULT(yes)
2664                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2665         ], [
2666                 AC_MSG_RESULT(no)
2667         ])
2668
2669         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2670         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2671         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2672         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2673         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2674         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2675         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2676 fi
2677
2678 dnl socklen_t check
2679 AC_MSG_CHECKING(for socklen_t)
2680 AC_TRY_COMPILE([
2681 #include <sys/types.h>
2682 #include <sys/socket.h>
2683 ],[
2684   socklen_t foo;
2685 ],[
2686 ac_cv_c_socklen_t=yes
2687         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2688         AC_MSG_RESULT(yes)
2689 ],[
2690         AC_MSG_RESULT(no)
2691 ])
2692
2693 AC_MSG_CHECKING(for array element initializer support)
2694 AC_TRY_COMPILE([#include <sys/socket.h>], [
2695         const int array[] = {[1] = 2,};
2696 ], [
2697         # Yes, we have it...
2698         AC_MSG_RESULT(yes)
2699         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2700 ], [
2701         # We'll have to use signals
2702         AC_MSG_RESULT(no)
2703 ])
2704
2705 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2706         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2707         AC_TRY_LINK([#include <math.h>],
2708         [ static void *p = &trunc; ],
2709         [
2710                 AC_DEFINE(HAVE_TRUNC)
2711                 AC_MSG_RESULT(yes)
2712                 ac_cv_trunc=yes
2713         ],
2714         AC_MSG_RESULT(no)))
2715
2716 if test "x$ac_cv_truncl" != "xyes"; then
2717    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2718 fi
2719
2720 AC_CHECK_FUNCS(execvp)
2721
2722 dnl ****************************
2723 dnl *** Look for /dev/random ***
2724 dnl ****************************
2725
2726 AC_MSG_CHECKING([if usage of random device is requested])
2727 AC_ARG_ENABLE(dev-random,
2728 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2729 try_dev_random=$enableval, try_dev_random=yes)
2730
2731 AC_MSG_RESULT($try_dev_random)
2732
2733 case "{$build}" in
2734     *-openbsd*)
2735     NAME_DEV_RANDOM="/dev/srandom"
2736     ;;
2737
2738 dnl Win32 does not have /dev/random, they have their own method...
2739
2740     *-mingw*|*-*-cygwin*)
2741     ac_cv_have_dev_random=no
2742     ;;
2743
2744 dnl Everywhere else, it's /dev/random
2745
2746     *)
2747     NAME_DEV_RANDOM="/dev/random"
2748     ;;
2749 esac
2750
2751 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2752
2753 dnl Now check if the device actually exists
2754
2755 if test "x$try_dev_random" = "xyes"; then
2756     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2757     [if test -r "$NAME_DEV_RANDOM" ; then
2758         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2759     if test "x$ac_cv_have_dev_random" = "xyes"; then
2760         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2761     fi
2762 else
2763     AC_MSG_CHECKING(for random device)
2764     ac_cv_have_dev_random=no
2765     AC_MSG_RESULT(has been disabled)
2766 fi
2767
2768 if test "x$host_win32" = "xyes"; then
2769     AC_DEFINE(HAVE_CRYPT_RNG)
2770 fi
2771
2772 if test "x$ac_cv_have_dev_random" = "xno" \
2773     && test "x$host_win32" = "xno"; then
2774     AC_MSG_WARN([[
2775 ***
2776 *** A system-provided entropy source was not found on this system.
2777 *** Because of this, the System.Security.Cryptography random number generator
2778 *** will throw a NotImplemented exception.
2779 ***
2780 *** If you are seeing this message, and you know your system DOES have an
2781 *** entropy collection in place, please contact <crichton@gimp.org> and
2782 *** provide information about the system and how to access the random device.
2783 ***
2784 *** Otherwise you can install either egd or prngd and set the environment
2785 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2786 ***]])
2787 fi
2788
2789 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2790
2791 AC_MSG_CHECKING([if big-arrays are to be enabled])
2792 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2793 if test "x$enable_big_arrays" = "xyes" ; then
2794     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2795         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2796     else
2797         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2798     fi
2799 fi
2800 AC_MSG_RESULT($enable_big_arrays)
2801
2802 dnl **************
2803 dnl *** DTRACE ***
2804 dnl **************
2805
2806 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2807
2808 if test "x$enable_dtrace" = "xyes"; then
2809    if test "x$has_dtrace" = "xno"; then
2810           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2811    fi
2812    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2813    if test "x$DTRACE" = "xno"; then
2814           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2815           enable_dtrace=no
2816    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2817           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2818           enable_dtrace=no
2819    fi
2820 fi
2821
2822 dtrace_g=no
2823 if test "x$enable_dtrace" = "xyes"; then
2824         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2825         DTRACEFLAGS=
2826         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2827                 case "$host" in
2828                         powerpc-*-darwin*)
2829                         DTRACEFLAGS="-arch ppc64"
2830                         ;;
2831                         i*86-*-darwin*)
2832                         DTRACEFLAGS="-arch x86_64"
2833                         ;;
2834                         *)
2835                         DTRACEFLAGS=-64
2836                         ;;
2837                 esac
2838         else
2839                 case "$host" in
2840                         powerpc-*-darwin*)
2841                         DTRACEFLAGS="-arch ppc"
2842                         ;;
2843                         i*86-*-darwin*)
2844                         DTRACEFLAGS="-arch i386"
2845                         ;;
2846                         *)
2847                         DTRACEFLAGS=-32
2848                         ;;
2849                 esac
2850         fi
2851         AC_SUBST(DTRACEFLAGS)
2852         case "$host" in
2853                 *-*-solaris*)
2854                 dtrace_g=yes
2855                 ;;
2856         esac
2857         AC_CHECK_HEADERS([sys/sdt.h])
2858 fi
2859 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2860 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2861
2862 dnl **************************
2863 dnl *** AOT cross offsets  ***
2864 dnl **************************
2865
2866 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2867     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2868
2869 dnl **************
2870 dnl ***  LLVM  ***
2871 dnl **************
2872
2873 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2874 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2875 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2876 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2877
2878 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2879
2880 if test "x$enable_llvm" = "xdefault"; then
2881    enable_llvm=$enable_llvm_default
2882 fi
2883
2884 if test "x$enable_llvm" = "xyes"; then
2885    if test "x$with_llvm" != "x"; then
2886           LLVM_CONFIG=$with_llvm/bin/llvm-config
2887           if test x$host_win32 = xyes; then
2888                 LLVM_CONFIG=$LLVM_CONFIG.exe
2889           fi
2890           if test ! -x $LLVM_CONFIG; then
2891                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2892       fi
2893    else
2894       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2895       if test "x$LLVM_CONFIG" = "xno"; then
2896              AC_MSG_ERROR([llvm-config not found.])
2897       fi
2898    fi
2899
2900    llvm_codegen="x86codegen"
2901    case "$target" in
2902    arm*)
2903                 llvm_codegen="armcodegen"
2904                 ;;
2905    esac
2906
2907    if test "x$host_win32" = "xno"; then
2908
2909    # Should be something like '2.6' or '2.7svn'
2910    llvm_version=`$LLVM_CONFIG --version`
2911    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2912    AC_MSG_CHECKING(LLVM version)
2913    AC_MSG_RESULT($llvm_version $llvm_api_version)
2914    if echo $llvm_version | grep -q 'mono'; then
2915           if test "x$enable_llvm_version_check" = "xyes"; then
2916                  if test "$llvm_version" != "$expected_llvm_version"; then
2917                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2918                  fi
2919           fi
2920    else
2921           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.])
2922    fi
2923
2924    # The output of --cflags seems to include optimizations flags too
2925    if test $llvm_api_version -gt 100; then
2926           # The --cflags argument includes all kinds of warnings -pendantic etc.
2927           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2928           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2929    else
2930           LLVM_CFLAGS=`$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'`
2931       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2932    fi
2933    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2934    # from LLVM classes.
2935    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2936    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2937    # This might include empty lines
2938    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2939    llvm_jit_supported=yes
2940    llvm_jit_libs="jit mcjit $llvm_codegen"
2941    if test "x$host" != "x$target"; then
2942       # No need for jit libs
2943           llvm_jit_supported=no
2944       llvm_jit_libs=""
2945    elif test $llvm_api_version -gt 100; then
2946       llvm_jit_libs="orcjit $llvm_codegen"
2947    fi
2948    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2949    if test "x$LLVM_LIBS" = "x"; then
2950           echo "$LLVM_CONFIG --libs failed."
2951           exit 1
2952    fi
2953    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2954    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2955    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2956       LLVM_LIBS="$LLVM_LIBS -lc++"
2957    else
2958       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2959    fi
2960
2961    expected_llvm_version="3.4svn-mono-mono/e656cac"
2962
2963    else
2964        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2965        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2966        LLVM_LDFLAGS="-L$with_llvm/lib"
2967        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2968        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2969          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2970          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2971          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2972          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2973          -lLLVMAnalysis -lLLVMTarget \
2974          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2975          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2976          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2977          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2978          -lLLVMSupport -lstdc++"
2979        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2980
2981        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2982        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2983    fi
2984
2985    if test "x$llvm_api_version" = "x"; then
2986           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2987           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2988    else
2989           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2990           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2991    fi
2992
2993    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraries])
2994
2995    AC_SUBST(LLVM_CFLAGS)
2996    AC_SUBST(LLVM_CXXFLAGS)
2997    AC_SUBST(LLVM_LIBS)
2998    AC_SUBST(LLVM_LDFLAGS)
2999    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3000 fi
3001
3002 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3003 if test "x$enable_loadedllvm" = "xyes"; then
3004    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3005 fi
3006 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3007
3008 if test "x$enable_llvm" = "xyes"; then
3009    enable_llvm_runtime=yes
3010 fi
3011 if test "x$enable_llvm_runtime" = "xyes"; then
3012    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3013 fi
3014 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3015
3016 TARGET="unknown"
3017 ACCESS_UNALIGNED="yes"
3018
3019 LIBC="libc.so.6"
3020 INTL="libc.so.6"
3021 SQLITE="libsqlite.so.0"
3022 SQLITE3="libsqlite3.so.0"
3023 X11="libX11.so"
3024 GDKX11="libgdk-x11-2.0.so.0"
3025 GTKX11="libgtk-x11-2.0.so.0"
3026 XINERAMA="libXinerama.so.1"
3027
3028 sizeof_register="SIZEOF_VOID_P"
3029
3030 jit_wanted=true
3031 boehm_supported=true
3032 BTLS_SUPPORTED=no
3033 BTLS_PLATFORM=
3034 case "$host" in
3035         mips*)
3036                 TARGET=MIPS;
3037                 arch_target=mips;
3038                 with_tls=pthread;
3039                 ACCESS_UNALIGNED="no"
3040
3041                 AC_MSG_CHECKING(for mips n32)
3042                 AC_TRY_COMPILE([],[
3043                 #if _MIPS_SIM != _ABIN32
3044                 #error Not mips n32
3045                 #endif
3046                 return 0;
3047                 ],[
3048                 AC_MSG_RESULT(yes)
3049                 sizeof_register=8
3050                 ],[
3051                 AC_MSG_RESULT(no)
3052                 ])
3053                 ;;
3054         i*86-*-*)
3055                 TARGET=X86;
3056                 arch_target=x86;
3057                 case $host_os in
3058                   solaris*)
3059                         LIBC="libc.so"
3060                         INTL="libintl.so"
3061                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3062                                 TARGET=AMD64
3063                                 arch_target=amd64
3064                         fi
3065
3066                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3067                         # int astruct __attribute__ ((visibility ("hidden")));
3068                         # void foo ()
3069                         # {
3070                         #       void *p = &astruct;
3071                         # }
3072                         # gcc -fPIC --shared -o libfoo.so foo.c
3073                         # yields:
3074                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3075                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3076                         have_visibility_hidden=no
3077                         ;;
3078                   mingw*|cygwin*)
3079                         have_visibility_hidden=no
3080                         ;;
3081                   haiku*)
3082                         LIBC=libroot.so
3083                         ;;
3084                   linux*)
3085                         AOT_SUPPORTED="yes"
3086                         BTLS_SUPPORTED=yes
3087                         BTLS_PLATFORM=i386
3088                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3089                         ;;
3090                   darwin*)
3091                         AOT_SUPPORTED="yes"
3092                         BTLS_SUPPORTED=yes
3093                         BTLS_PLATFORM=i386
3094                         ;;
3095                   openbsd*|freebsd*|kfreebsd-gnu*)
3096                         ;;
3097                 esac
3098                 ;;
3099         x86_64-*-* | amd64-*-*)
3100                 TARGET=AMD64;
3101                 arch_target=amd64;
3102                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3103                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3104                         sizeof_register=8
3105                 fi
3106                 case $host_os in
3107                   linux*)
3108                         AOT_SUPPORTED="yes"
3109                         BTLS_SUPPORTED=yes
3110                         BTLS_PLATFORM=x86_64
3111                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3112                         ;;
3113                   darwin*)
3114                         AOT_SUPPORTED="yes"
3115                         BTLS_SUPPORTED=yes
3116                         BTLS_PLATFORM=x86_64
3117                         boehm_supported=false
3118                         ;;
3119                   openbsd*|freebsd*|kfreebsd-gnu*)
3120                         ;;
3121                   mingw*)
3122                         ;;
3123                 esac
3124                 ;;
3125         sparc*-*-*)
3126                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3127                    TARGET=SPARC64
3128                 else
3129                         TARGET=SPARC
3130                 fi
3131                 arch_target=sparc;
3132                 ACCESS_UNALIGNED="no"
3133                 case $host_os in
3134                   linux*) ;;
3135                   *)
3136                         LIBC="libc.so"
3137                         INTL="libintl.so"
3138                 esac
3139                 if test x"$GCC" = xyes; then
3140                         # We don't support v8 cpus
3141                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3142                 fi
3143                 if test x"$AR" = xfalse; then
3144                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3145                 fi
3146                 ;;
3147         *-mingw*|*-*-cygwin*)
3148                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3149                 have_visibility_hidden=no
3150                 INTL="intl"
3151                 ;;
3152         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3153         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3154                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3155                         TARGET=POWERPC64;
3156                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3157                         CFLAGS="$CFLAGS -mminimal-toc"
3158                 else
3159                         TARGET=POWERPC;
3160                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3161                 fi
3162                 arch_target=ppc;
3163                 case $host_os in
3164                   linux*|darwin*)
3165                         ;;
3166                 esac
3167                 ;;
3168         armv7k-*-darwin*)
3169                 TARGET=ARM;
3170                 TARGET_SYS=WATCHOS
3171                 arch_target=arm;
3172                 arm_fpu=VFP_HARD
3173                 ACCESS_UNALIGNED="no"
3174                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3175                 ;;
3176
3177         arm*-darwin*)
3178                 TARGET=ARM;
3179                 arch_target=arm;
3180                 ACCESS_UNALIGNED="no"
3181                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3182                 ;;
3183         arm*-linux*)
3184                 TARGET=ARM;
3185                 arch_target=arm;
3186                 ACCESS_UNALIGNED="no"
3187                 AOT_SUPPORTED="yes"
3188                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3189                 BTLS_SUPPORTED=yes
3190                 BTLS_PLATFORM=arm
3191                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3192                 case "$target" in
3193                 arm*-linux*-gnueabi)
3194                         BTLS_PLATFORM=armsoft
3195                         ;;
3196                 esac
3197                 ;;
3198         arm*-netbsd*-eabi*)
3199                 TARGET=ARM;
3200                 arch_target=arm;
3201                 ACCESS_UNALIGNED="no"
3202                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3203                 ;;
3204         aarch64-*)
3205                 # https://lkml.org/lkml/2012/7/15/133
3206                 TARGET=ARM64
3207                 arch_target=arm64
3208                 boehm_supported=false
3209                 AOT_SUPPORTED="yes"
3210                 BTLS_SUPPORTED=yes
3211                 BTLS_PLATFORM=aarch64
3212                 AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3213                 ;;
3214         s390x-*-linux*)
3215                 TARGET=S390X;
3216                 arch_target=s390x;
3217                 ACCESS_UNALIGNED="yes"
3218                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3219                 ;;
3220 esac
3221
3222 HOST=$TARGET
3223
3224 if test "x$host" != "x$target"; then
3225    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3226    enable_mcs_build=no
3227    BTLS_SUPPORTED=no
3228    case "$target" in
3229    arm*-darwin*)
3230                 TARGET=ARM;
3231                 arch_target=arm;
3232                 ACCESS_UNALIGNED="no"
3233                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3234                 # Can't use tls, since it depends on the runtime detection of tls offsets
3235                 # in mono-compiler.h
3236                 with_tls=pthread
3237                 case "$target" in
3238                 armv7k-*)
3239                         arm_fpu=VFP_HARD
3240                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3241                         ;;
3242                 esac
3243                 ;;
3244    powerpc64-ps3-linux-gnu)
3245                 TARGET=POWERPC64
3246                 arch_target=powerpc64
3247                 AC_DEFINE(TARGET_PS3, 1, [...])
3248                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3249                 # uses this define
3250                 AC_DEFINE(__mono_ppc64__, 1, [...])
3251                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3252                 sizeof_register=8
3253                 target_byte_order=G_BIG_ENDIAN
3254                 ;;
3255    powerpc64-xbox360-linux-gnu)
3256                 TARGET=POWERPC64
3257                 arch_target=powerpc64
3258                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3259                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3260                 # uses this define
3261                 sizeof_register=8
3262                 target_byte_order=G_BIG_ENDIAN
3263                 ;;
3264    arm*-linux-*)
3265                 TARGET=ARM;
3266                 arch_target=arm;
3267                 AC_DEFINE(TARGET_ARM, 1, [...])
3268                 ACCESS_UNALIGNED="no"
3269                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3270                 # Can't use tls, since it depends on the runtime detection of tls offsets
3271                 # in mono-compiler.h
3272                 with_tls=pthread
3273                 target_mach=no
3274                 case "$target" in
3275                 armv7l-unknown-linux-gnueabi*)
3276                         # TEGRA
3277                         CPPFLAGS="$CPPFLAGS"
3278                         ;;
3279                 armv5-*-linux-androideabi*)
3280                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3281                         CPPFLAGS="$CPPFLAGS"
3282                         ;;
3283                 *-linux-androideabi*)
3284                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3285                         CPPFLAGS="$CPPFLAGS"
3286                         ;;
3287                 esac
3288                 ;;
3289    arm*-netbsd*-eabi*)
3290                 TARGET=ARM;
3291                 arch_target=arm;
3292                 AC_DEFINE(TARGET_ARM, 1, [...])
3293                 ACCESS_UNALIGNED="no"
3294                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3295                 # Can't use tls, since it depends on the runtime detection of tls offsets
3296                 # in mono-compiler.h
3297                 with_tls=pthread
3298                 target_mach=no
3299                 ;;
3300    i686*-linux-*)
3301                 TARGET=X86;
3302                 arch_target=x86;
3303                 AC_DEFINE(TARGET_X86, 1, [...])
3304                 CPPFLAGS="$CPPFLAGS"
3305                 # Can't use tls, since it depends on the runtime detection of tls offsets
3306                 # in mono-compiler.h
3307                 with_tls=pthread
3308                 target_mach=no
3309
3310                 case "$target" in
3311                 *-linux-android*)
3312                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3313                         ;;
3314                 esac
3315                 ;;
3316    x86_64*-linux-*)
3317                 TARGET=AMD64;
3318                 arch_target=amd64;
3319                 AC_DEFINE(TARGET_AMD64, 1, [...])
3320                 CPPFLAGS="$CPPFLAGS"
3321                 # Can't use tls, since it depends on the runtime detection of tls offsets
3322                 # in mono-compiler.h
3323                 with_tls=pthread
3324                 target_mach=no
3325
3326                 case "$target" in
3327                 *-linux-android*)
3328                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3329                         ;;
3330                 esac
3331                 ;;
3332    x86_64-ps4-freebsd)
3333                 TARGET=AMD64;
3334                 arch_target=amd64;
3335                 AC_DEFINE(TARGET_AMD64, 1, [...])
3336                 AC_DEFINE(TARGET_PS4, 1, [...])
3337                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3338                 CPPFLAGS="$CPPFLAGS"
3339                 # Can't use tls, since it depends on the runtime detection of tls offsets
3340                 # in mono-compiler.h
3341                 with_tls=pthread
3342                 target_mach=no
3343                 target_win32=no
3344                 ;;
3345    aarch64*-linux-*)
3346                 TARGET=ARM64;
3347                 arch_target=arm64;
3348                 AC_DEFINE(TARGET_ARM64, 1, [...])
3349                 CPPFLAGS="$CPPFLAGS"
3350                 # Can't use tls, since it depends on the runtime detection of tls offsets
3351                 # in mono-compiler.h
3352                 with_tls=pthread
3353                 target_mach=no
3354                 case "$target" in
3355                 *-linux-android*)
3356                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3357                         ;;
3358                 esac
3359                 ;;
3360         aarch64-*)
3361                 TARGET=ARM64
3362                 ;;
3363         *)
3364                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3365         esac
3366 fi
3367
3368 case "$TARGET" in
3369 X86)
3370         AC_DEFINE(TARGET_X86, 1, [...])
3371         ;;
3372 AMD64)
3373         AC_DEFINE(TARGET_AMD64, 1, [...])
3374         ;;
3375 ARM)
3376         AC_DEFINE(TARGET_ARM, 1, [...])
3377         ;;
3378 ARM64)
3379         AC_DEFINE(TARGET_ARM64, 1, [...])
3380         ;;
3381 POWERPC)
3382         AC_DEFINE(TARGET_POWERPC, 1, [...])
3383         ;;
3384 POWERPC64)
3385         AC_DEFINE(TARGET_POWERPC, 1, [...])
3386         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3387         ;;
3388 S390X)
3389         AC_DEFINE(TARGET_S390X, 1, [...])
3390         ;;
3391 MIPS)
3392         AC_DEFINE(TARGET_MIPS, 1, [...])
3393         ;;
3394 SPARC)
3395         AC_DEFINE(TARGET_SPARC, 1, [...])
3396         ;;
3397 SPARC64)
3398         AC_DEFINE(TARGET_SPARC64, 1, [...])
3399         ;;
3400 esac
3401
3402 case "$HOST" in
3403 X86)
3404         AC_DEFINE(HOST_X86, 1, [...])
3405         ;;
3406 AMD64)
3407         AC_DEFINE(HOST_AMD64, 1, [...])
3408         ;;
3409 ARM)
3410         AC_DEFINE(HOST_ARM, 1, [...])
3411         ;;
3412 ARM64)
3413         AC_DEFINE(HOST_ARM64, 1, [...])
3414         ;;
3415 POWERPC)
3416         AC_DEFINE(HOST_POWERPC, 1, [...])
3417         ;;
3418 POWERPC64)
3419         AC_DEFINE(HOST_POWERPC, 1, [...])
3420         AC_DEFINE(HOST_POWERPC64, 1, [...])
3421         ;;
3422 S390X)
3423         AC_DEFINE(HOST_S390X, 1, [...])
3424         ;;
3425 MIPS)
3426         AC_DEFINE(HOST_MIPS, 1, [...])
3427         ;;
3428 SPARC)
3429         AC_DEFINE(HOST_SPARC, 1, [...])
3430         ;;
3431 SPARC64)
3432         AC_DEFINE(HOST_SPARC64, 1, [...])
3433         ;;
3434 esac
3435
3436
3437
3438 dnl *************
3439 dnl *** VTUNE ***
3440 dnl *************
3441
3442 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3443 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3444
3445 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3446
3447 if test "x$enable_vtune" = "xyes"; then
3448         if test "x$with_vtune" = "x"; then
3449                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3450         else
3451                 VTUNE_PATH=$with_vtune
3452         fi
3453         VTUNE_INCLUDE=$VTUNE_PATH/include
3454         case "$TARGET" in
3455         X86)
3456                 VTUNE_LIB=$VTUNE_PATH/lib32
3457                 ;;
3458         AMD64)
3459                 VTUNE_LIB=$VTUNE_PATH/lib64
3460                 ;;
3461         *)
3462                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3463                 ;;
3464         esac
3465         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3466                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3467         fi
3468         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3469                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3470         fi
3471
3472         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3473         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3474
3475         AC_SUBST(VTUNE_LIBS)
3476         AC_SUBST(VTUNE_CFLAGS)
3477 fi
3478 dnl Use GCC atomic ops if they work on the target.
3479 if test x$GCC = "xyes"; then
3480         case $TARGET in
3481         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3482                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3483                 ;;
3484         esac
3485 fi
3486
3487 if test "x$target_mach" = "xyes"; then
3488
3489    if test "x$TARGET_SYS" = "xWATCHOS"; then
3490           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3491           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3492           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3493           BTLS_SUPPORTED=no
3494    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3495           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3496           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3497           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3498           BTLS_SUPPORTED=no
3499    else
3500        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3501        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3502        #error fail this for ios
3503        #endif
3504        return 0;
3505        ], [
3506                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3507           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3508           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3509           target_osx=yes
3510        ], [
3511           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3512           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3513           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3514           BTLS_SUPPORTED=no
3515                   target_ios=yes
3516        ])
3517         fi
3518    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3519 fi
3520
3521 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3522
3523 if test "x$sizeof_register" = "x4"; then
3524    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3525 elif test "x$sizeof_register" = "x8"; then
3526    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3527 else
3528    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3529 fi
3530
3531 AC_SUBST(SIZEOF_VOID_P,[$ac_cv_sizeof_void_p])
3532
3533 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3534    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3535 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3536    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3537 else
3538    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3539 fi
3540
3541 if test "x$have_visibility_hidden" = "xyes"; then
3542    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3543 fi
3544
3545 if test "x$have_deprecated" = "xyes"; then
3546    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3547 fi
3548
3549 AC_ARG_ENABLE(interpreter, [  --enable-interpreter       Enable Interpreter], enable_interpreter=$enableval, enable_interpreter=no)
3550
3551 if test "x$enable_interpreter" = "xyes"; then
3552         AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable Interpreter])
3553 fi
3554
3555 AM_CONDITIONAL(ENABLE_INTERPRETER, [test x$enable_interpreter = xyes])
3556
3557 dnl
3558 dnl Simple Generational checks (sgen)
3559 dnl
3560 SGEN_DEFINES=
3561 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3562 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3563 if test x$buildsgen = xyes; then
3564    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3565    SGEN_DEFINES="-DHAVE_SGEN_GC"
3566
3567         conc_gc_msg=""
3568    if test x$with_sgen_default_concurrent != xno; then
3569        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3570            conc_gc_msg=" (concurrent by default)"
3571    fi
3572
3573    if test "x$gc_msg" = "x"; then
3574       gc_msg="sgen$conc_gc_msg"
3575    else
3576       gc_msg="sgen$conc_gc_msg and $gc_msg"
3577    fi
3578 fi
3579 AC_SUBST(SGEN_DEFINES)
3580 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3581
3582 jit_status="Building and using the JIT"
3583
3584 libsuffix=".so"
3585
3586 case "$host" in
3587      *-*-darwin*)
3588         libsuffix=".dylib"
3589         LIBC="libc.dylib"
3590         INTL="libintl.dylib"
3591         SQLITE="libsqlite.0.dylib"
3592         SQLITE3="libsqlite3.0.dylib"
3593         X11="libX11.dylib"
3594         GDKX11="libgdk-x11-2.0.dylib"
3595         GTKX11="libgtk-x11-2.0.dylib"
3596         ;;
3597      *-*-*netbsd*)
3598         LIBC="libc.so"
3599         INTL="libintl.so"
3600         SQLITE="libsqlite.so"
3601         SQLITE3="libsqlite3.so"
3602         ;;
3603      *-*-kfreebsd*-gnu)
3604         LIBC="libc.so.0.1"
3605         INTL="libc.so.0.1"
3606         X11="libX11.so.6"
3607         ;;
3608     *-*-*freebsd*)
3609         LIBC="libc.so.7"
3610         INTL="libintl.so"
3611         SQLITE="libsqlite.so"
3612         SQLITE3="libsqlite3.so"
3613         ;;
3614     *-*-*openbsd*)
3615         LIBC="libc.so"
3616         INTL="libintl.so"
3617         SQLITE="libsqlite.so"
3618         SQLITE3="libsqlite3.so"
3619         ;;
3620     *-*-*linux*)
3621         AC_PATH_X
3622         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3623         AC_MSG_CHECKING(for the soname of libX11.so)
3624         for i in $x_libraries $dlsearch_path; do
3625                 for r in 4 5 6; do
3626                         if test -f $i/libX11.so.$r; then
3627                                 X11=libX11.so.$r
3628                                 AC_MSG_RESULT($X11)
3629                         fi
3630                 done
3631         done
3632
3633         if test "x$X11" = "xlibX11.so"; then
3634                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3635                 X11=libX11.so.6
3636         fi
3637         ;;
3638 esac
3639
3640 AC_SUBST(libsuffix)
3641
3642 ######################################
3643 # EGLIB CHECKS
3644 ######################################
3645
3646 GNUC_PRETTY=
3647 GNUC_UNUSED=
3648 BREAKPOINT="G_STMT_START { raise (SIGTRAP); } G_STMT_END"
3649 if test x$GCC = xyes; then
3650    GNUC_UNUSED='__attribute__((__unused__))'
3651    GNUC_NORETURN='__attribute__((__noreturn__))'
3652    case $host_cpu in
3653      i*86|x86_64) BREAKPOINT="G_STMT_START { __asm__ (\"int \$03\"); } G_STMT_END" ;;
3654    esac
3655 fi
3656 AC_SUBST(GNUC_PRETTY)
3657 AC_SUBST(GNUC_UNUSED)
3658 AC_SUBST(GNUC_NORETURN)
3659 AC_SUBST(BREAKPOINT)
3660
3661 AC_C_BIGENDIAN([ORDER=G_BIG_ENDIAN],[ORDER=G_LITTLE_ENDIAN])
3662
3663 case $host in
3664 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
3665     PATHSEP='\\'
3666     SEARCHSEP=';'
3667     OS="WIN32"
3668     PIDTYPE='void *'
3669     ;;
3670 *)
3671     PATHSEP='/'
3672     SEARCHSEP=':'
3673     OS="UNIX"
3674     PIDTYPE='int'
3675     ;;
3676 esac
3677
3678 case $host in
3679         *-*-solaris*)
3680         CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
3681         ;;
3682 esac
3683
3684 case $target in
3685 arm*-darwin*|aarch64*-*)
3686     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE"
3687     ;;
3688 i*86-*-darwin*)
3689     ORDER=G_LITTLE_ENDIAN
3690     ;;
3691 *-*-haiku*)
3692     LDFLAGS="$LDFLAGS -ltextencoding"
3693     ;;
3694 *-*-openbsd*)
3695     CFLAGS="$CFLAGS -pthread"
3696     LDFLAGS="$LDFLAGS -pthread"
3697     ;;
3698 esac
3699
3700 AC_SUBST(ORDER)
3701 AC_SUBST(CFLAGS)
3702 AC_SUBST(PATHSEP)
3703 AC_SUBST(SEARCHSEP)
3704 AC_SUBST(OS)
3705 AC_SUBST(PIDTYPE)
3706
3707 # Defined for all targets/platforms using classic Windows API support.
3708 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
3709 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
3710
3711 AC_CHECK_SIZEOF(int)
3712 AC_CHECK_SIZEOF(void *)
3713 AC_CHECK_SIZEOF(long)
3714 AC_CHECK_SIZEOF(long long)
3715 AC_CHECK_FUNCS(strlcpy stpcpy strtok_r rewinddir vasprintf strerror_r)
3716 AC_CHECK_FUNCS(getrlimit)
3717 AC_CHECK_FUNCS(fork execv execve)
3718
3719 AC_ARG_WITH([overridable-allocators], [  --with-overridable-allocators  allow g_*alloc/g_free to call custom allocators set via g_mem_set_vtable])
3720
3721 if test x$with_overridable_allocators = xyes; then
3722         AC_DEFINE(ENABLE_OVERRIDABLE_ALLOCATORS,1,[Overridable allocator support enabled])
3723   AC_MSG_NOTICE([Overridable allocator support enabled])
3724 else
3725   AC_MSG_NOTICE([Overridable allocator support disabled])
3726 fi
3727
3728 #
3729 # Mono currently supports 10.6, but strndup is not available prior to 10.7; avoiding
3730 # the detection of strndup on OS X so Mono built on 10.7+ still runs on 10.6. This can be
3731 # removed once support for 10.6 is dropped.
3732 #
3733 # iOS detection of strndup and getpwuid_r is faulty for some reason so let's simply avoid it
3734 #
3735 if test x$target_osx = xyes; then
3736 AC_CHECK_FUNCS(getpwuid_r)
3737 elif test x$target_ios = xno; then
3738 AC_CHECK_FUNCS(strndup getpwuid_r)
3739 fi
3740
3741 AM_CONDITIONAL(NEED_VASPRINTF, test x$ac_cv_func_vasprintf = xno || test x$with_overridable_allocators = xyes)
3742 AM_ICONV()
3743 AC_SEARCH_LIBS(sqrtf, m)
3744
3745 # nanosleep may not be part of libc, also search it in other libraries
3746 AC_SEARCH_LIBS(nanosleep, rt)
3747
3748 AC_SEARCH_LIBS(dlopen, dl)
3749 old_ldflags="${LDFLAGS}"
3750 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
3751 AC_TRY_LINK(, [int i;], found_export_dynamic=yes, found_export_dynamic=no)
3752 if test $found_export_dynamic = no; then
3753         LDFLAGS="${old_ldflags}"
3754 fi
3755
3756 AC_MSG_CHECKING(for varargs macros)
3757 AC_TRY_COMPILE([],[
3758 int foo (int i, int j);
3759 #define bar(...) foo (1, __VA_ARGS__)
3760 void main () {
3761          bar (2);
3762 }
3763 ],have_iso_varargs=yes,have_iso_varargs=no)
3764 AC_MSG_RESULT($have_iso_varargs)
3765 G_HAVE_ISO_VARARGS=0
3766 if test "x$have_iso_varargs" = "xyes"; then
3767    G_HAVE_ISO_VARARGS=1
3768 fi
3769 AC_SUBST(G_HAVE_ISO_VARARGS)
3770
3771 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)
3772 AC_CHECK_LIB([iconv], [locale_charset],[],[AC_CHECK_LIB([charset], [locale_charset],[LIBS+="-liconv -lcharset"])])
3773 AC_CHECK_HEADER(alloca.h, [HAVE_ALLOCA_H=1], [HAVE_ALLOCA_H=0])
3774 AC_SUBST(HAVE_ALLOCA_H)
3775
3776 if test $ac_cv_sizeof_void_p = $ac_cv_sizeof_int; then
3777    GPOINTER_TO_INT="((gint) (ptr))"
3778    GPOINTER_TO_UINT="((guint) (ptr))"
3779    GINT_TO_POINTER="((gpointer) (v))"
3780    GUINT_TO_POINTER="((gpointer) (v))"
3781    GSIZE="int"
3782    GSIZE_FORMAT='"u"'
3783 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long; then
3784    GPOINTER_TO_INT="((gint)(long) (ptr))"
3785    GPOINTER_TO_UINT="((guint)(long) (ptr))"
3786    GINT_TO_POINTER="((gpointer)(glong) (v))"
3787    GUINT_TO_POINTER="((gpointer)(gulong) (v))"
3788    GSIZE="long"
3789    GSIZE_FORMAT='"lu"'
3790 elif test $ac_cv_sizeof_void_p = $ac_cv_sizeof_long_long; then
3791    GPOINTER_TO_INT="((gint)(long long) (ptr))"
3792    GPOINTER_TO_UINT="((guint)(unsigned long long) (ptr))"
3793    GINT_TO_POINTER="((gpointer)(long long) (v))"
3794    GUINT_TO_POINTER="((gpointer)(unsigned long long) (v))"
3795    GSIZE="long long"
3796    GSIZE_FORMAT='"I64u"'
3797 else
3798    AC_MSG_ERROR([unsupported pointer size])
3799 fi
3800
3801 AC_SUBST(GPOINTER_TO_INT)
3802 AC_SUBST(GPOINTER_TO_UINT)
3803 AC_SUBST(GINT_TO_POINTER)
3804 AC_SUBST(GUINT_TO_POINTER)
3805 AC_SUBST(GSIZE)
3806 AC_SUBST(GSIZE_FORMAT)
3807 AC_SUBST(G_GUINT64_FORMAT)
3808 AC_SUBST(G_GINT64_FORMAT)
3809 AC_SUBST(G_GUINT32_FORMAT)
3810 AC_SUBST(G_GINT32_FORMAT)
3811
3812 #
3813 # END OF EGLIB CHECKS
3814 #
3815
3816 AC_ARG_WITH([libgdiplus],
3817         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3818         [], [with_libgdiplus=installed])
3819
3820 # default install location
3821 libgdiplus_install_loc=libgdiplus${libsuffix}
3822 case "$host" in
3823     *-*-*linux*)
3824     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3825     ;;
3826 esac
3827
3828 case $with_libgdiplus in
3829     no|installed)
3830     libgdiplus_loc=
3831     ;;
3832
3833     yes|sibling)
3834     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3835     ;;
3836
3837     /*) # absolute path, assume it is an install location
3838     libgdiplus_loc=$with_libgdiplus
3839     libgdiplus_install_loc=$with_libgdiplus
3840     ;;
3841
3842     *)
3843     libgdiplus_loc=`pwd`/$with_libgdiplus
3844     ;;
3845 esac
3846 AC_SUBST([libgdiplus_loc])
3847 AC_SUBST([libgdiplus_install_loc])
3848
3849 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3850 if test "x$icall_symbol_map" = "xyes"; then
3851    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3852 fi
3853
3854 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3855 if test "x$icall_export" = "xyes"; then
3856    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3857 fi
3858
3859 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3860 if test "x$icall_tables" = "xno"; then
3861    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3862 fi
3863
3864 if test "x$with_tls" = "x__thread"; then
3865         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3866         # Pass the information to libgc
3867         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3868         AC_MSG_CHECKING(if the tls_model attribute is supported)
3869         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3870                 ], [
3871                         AC_MSG_RESULT(yes)
3872                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3873                 ], [
3874                         AC_MSG_RESULT(no)
3875         ])
3876 fi
3877
3878 if test ${TARGET} = ARM; then
3879         dnl ******************************************
3880         dnl *** Check to see what FPU is available ***
3881         dnl ******************************************
3882         AC_MSG_CHECKING(which FPU to use)
3883
3884         #
3885         # This is a bit tricky:
3886         #
3887         # if (__ARM_PCS_VFP) {
3888         #       /* mfloat-abi=hard == VFP with hard ABI */
3889         # } elif (!__SOFTFP__) {
3890         #       /* mfloat-abi=softfp == VFP with soft ABI */
3891         # } else {
3892         #       /* mfloat-abi=soft == no VFP */
3893         # }
3894         #
3895         # The exception is iOS (w/ GCC) where none of the above
3896         # are defined (but iOS always uses the 'softfp' ABI).
3897         #
3898         # No support for FPA.
3899         #
3900
3901         fpu=NONE
3902
3903         # iOS GCC always uses the 'softfp' ABI.
3904         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3905                 fpu=VFP
3906         fi
3907
3908         # Are we using the 'hard' ABI?
3909         if test x$fpu = xNONE; then
3910                 AC_TRY_COMPILE([], [
3911                         #ifndef __ARM_PCS_VFP
3912                         #error "Float ABI is not 'hard'"
3913                         #endif
3914                         return 0;
3915                 ], [
3916                         fpu=VFP_HARD
3917                 ], [
3918                         fpu=NONE
3919                 ])
3920         fi
3921
3922         # No 'hard' ABI. 'soft' or 'softfp'?
3923         if test x$fpu = xNONE; then
3924                 AC_TRY_COMPILE([], [
3925                         #ifdef __SOFTFP__
3926                         #error "Float ABI is not 'softfp'"
3927                         #endif
3928                         return 0;
3929                 ], [
3930                         fpu=VFP
3931                 ], [
3932                         fpu=NONE
3933                 ])
3934         fi
3935
3936         if test x$arm_fpu != x; then
3937            fpu=$arm_fpu
3938         fi
3939
3940         AC_MSG_RESULT($fpu)
3941         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3942         unset fpu
3943
3944         dnl *********************************************
3945         dnl *** Check which ARM version(s) we can use ***
3946         dnl *********************************************
3947         AC_MSG_CHECKING(which ARM version to use)
3948
3949         AC_TRY_COMPILE([], [
3950                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3951                 #error Not on ARM v5.
3952                 #endif
3953                 return 0;
3954         ], [
3955                 arm_v5=yes
3956
3957                 arm_ver=ARMv5
3958         ], [])
3959
3960         AC_TRY_COMPILE([], [
3961                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3962                 #error Not on ARM v6.
3963                 #endif
3964                 return 0;
3965         ], [
3966                 arm_v5=yes
3967                 arm_v6=yes
3968
3969                 arm_ver=ARMv6
3970         ], [])
3971
3972         AC_TRY_COMPILE([], [
3973                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3974                 #error Not on ARM v7.
3975                 #endif
3976                 return 0;
3977         ], [
3978                 arm_v5=yes
3979                 arm_v6=yes
3980                 arm_v7=yes
3981
3982                 arm_ver=ARMv7
3983         ], [])
3984
3985         AC_MSG_RESULT($arm_ver)
3986
3987         if test x$arm_v5 = xyes; then
3988                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3989                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3990         fi
3991
3992         if test x$arm_v6 = xyes; then
3993                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3994                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3995         fi
3996
3997         if test x$arm_v7 = xyes; then
3998                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3999                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
4000         fi
4001 fi
4002
4003 if test ${TARGET} = unknown; then
4004         CPPFLAGS="$CPPFLAGS -DNO_PORT"
4005         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
4006 fi
4007
4008 if test "x$platform_android" = "xyes"; then
4009         case "x${TARGET}" in
4010         xARM)
4011                 case "x$arm_ver" in
4012                 xARMv5)
4013                         BTLS_SUPPORTED=yes
4014                         BTLS_PLATFORM=android-armv5
4015                         ;;
4016                 xARMv6)
4017                         BTLS_SUPPORTED=yes
4018                         BTLS_PLATFORM=android-armv6
4019                         ;;
4020                 xARMv7)
4021                         BTLS_SUPPORTED=yes
4022                         BTLS_PLATFORM=android-armv7
4023                         ;;
4024                 *)
4025                         BTLS_SUPPORTED=no
4026                         ;;
4027                 esac
4028                 ;;
4029         xARM64)
4030                 BTLS_SUPPORTED=yes
4031                 BTLS_PLATFORM=android-v8a
4032                 ;;
4033         xX86)
4034                 BTLS_SUPPORTED=yes
4035                 BTLS_PLATFORM=android-x86
4036                 ;;
4037         xAMD64)
4038                 BTLS_SUPPORTED=yes
4039                 BTLS_PLATFORM=android-x64
4040                 ;;
4041         *)
4042                 BTLS_SUPPORTED=no
4043                 ;;
4044         esac
4045 fi
4046
4047 if test ${ACCESS_UNALIGNED} = no; then
4048         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
4049 fi
4050
4051 if test x$host_darwin = xyes; then
4052         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
4053         AS_IF(
4054                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
4055                 [AC_MSG_RESULT([no])],
4056                 [
4057                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
4058                         AR_FLAGS="Scru"
4059                         RANLIB="$RANLIB -no_warning_for_no_symbols"
4060                         AC_MSG_RESULT([yes])
4061                 ]
4062         )
4063 fi
4064
4065 case "x$libgc" in
4066         xincluded)
4067                 # Pass CPPFLAGS to libgc configure
4068                 # We should use a separate variable for this to avoid passing useless and
4069                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
4070                 # This should be executed late so we pick up the final version of CPPFLAGS
4071                 # The problem with this approach, is that during a reconfigure, the main
4072                 # configure scripts gets invoked with these arguments, so we use separate
4073                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
4074                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
4075                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
4076                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
4077                 fi
4078                 # Don't pass -finstrument-for-thread-suspension in,
4079                 # if these are instrumented it will be very bad news
4080                 # (infinite recursion, undefined parking behavior, etc)
4081                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
4082                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
4083                 if test "x$support_boehm" = "xyes"; then
4084                         AC_CONFIG_SUBDIRS(libgc)
4085                 fi
4086                 ;;
4087 esac
4088
4089 MALLOC_MEMPOOLS=no
4090 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
4091         if test x$with_malloc_mempools = xyes; then
4092                 MALLOC_MEMPOOLS=yes
4093                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
4094         fi
4095 ])
4096
4097
4098 DISABLE_MCS_DOCS=default
4099 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
4100         if test x$with_mcs_docs != xyes; then
4101                 DISABLE_MCS_DOCS=yes
4102         fi
4103 ])
4104 if test -n "$INSTALL_4_x_TRUE"; then :
4105         DISABLE_MCS_DOCS=yes
4106 fi
4107 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
4108    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
4109 fi
4110
4111 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
4112         if test x$with_lazy_gc_thread_creation != xno ; then
4113                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
4114         fi
4115 ], [with_lazy_gc_thread_creation=no])
4116
4117 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])
4118
4119 if test x$with_cooperative_gc = xdefault; then
4120         with_cooperative_gc=$with_cooperative_gc_default
4121 fi
4122
4123 if test x$with_cooperative_gc != xno; then
4124         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4125 fi
4126
4127 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4128
4129 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],[
4130
4131         if test x$enable_checked_build != x ; then
4132                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4133         fi
4134         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4135                 eval "mono_checked_build_test_enable_$feature='yes'"
4136         done
4137
4138         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4139                 eval "mono_checked_build_test_enable_gc='yes'"
4140                 eval "mono_checked_build_test_enable_metadata='yes'"
4141                 eval "mono_checked_build_test_enable_thread='yes'"
4142         fi
4143
4144         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4145                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4146         fi
4147
4148         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4149                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4150         fi
4151
4152         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4153                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4154         fi
4155
4156 ], [])
4157
4158 AC_CHECK_HEADER([malloc.h],
4159                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4160                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4161
4162 if test x"$GCC" = xyes; then
4163         # Implicit function declarations are not 64 bit safe
4164         # Do this late, since this causes lots of configure tests to fail
4165         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4166         # jay has a lot of implicit declarations
4167         JAY_CFLAGS="-Wno-implicit-function-declaration"
4168 fi
4169
4170 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4171 # instead of libmono-static.a
4172 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4173    LIBMONO_LA=libmini-static.la
4174 else
4175    if test x$buildsgen = xyes; then
4176       LIBMONO_LA=libmonosgen-$API_VER.la
4177    else
4178       LIBMONO_LA=libmonoboehm-$API_VER.la
4179    fi
4180 fi
4181 AC_SUBST(LIBMONO_LA)
4182
4183 dnl **************
4184 dnl ***  Btls  ***
4185 dnl **************
4186
4187 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4188 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4189
4190 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4191
4192 btls_android=no
4193 if test "x$enable_btls" = "xyes"; then
4194         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4195         if test "x$CMAKE" = "xno"; then
4196                 AC_MSG_ERROR("cmake not found")
4197         fi
4198
4199         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4200         AC_SUBST(BTLS_ROOT)
4201
4202         btls_arch=
4203         btls_cflags=
4204         BTLS_CMAKE_ARGS=
4205
4206         case "$BTLS_PLATFORM" in
4207         i386)
4208                 btls_arch=i386
4209                 btls_cflags="-m32"
4210                 case $host_os in
4211                         darwin*)
4212                                 btls_cflags="$btls_cflags -arch i386"
4213                 esac
4214                 ;;
4215         x86_64)
4216                 btls_arch=x86_64
4217                 ;;
4218         arm)
4219                 btls_arch=arm
4220                 ;;
4221         armsoft)
4222                 btls_arch=arm
4223                 btls_cflags="-DOPENSSL_NO_ASM=1"
4224                 ;;
4225         aarch64)
4226                 btls_arch=aarch64
4227                 ;;
4228         android-armv5)
4229                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4230                 ;;
4231         android-armv6)
4232                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4233                 ;;
4234         android-armv7)
4235                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4236                 ;;
4237         android-v8a)
4238                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4239                 ;;
4240         android-x86)
4241                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4242                 ;;
4243         android-x64)
4244                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4245                 ;;
4246         *)
4247                 AC_MSG_ERROR(Invalid BTLS platform)
4248         esac
4249
4250         if test "x$platform_android" = "xyes"; then
4251                 btls_android=yes
4252                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4253                 if test "x$with_btls_android_ndk" != "x"; then
4254                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4255                 else
4256                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4257                 fi
4258         fi
4259
4260         if test "x$btls_arch" != "x"; then
4261                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4262         fi
4263
4264         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4265         AC_SUBST(BTLS_ARCH)
4266         AC_SUBST(BTLS_CFLAGS)
4267         AC_SUBST(BTLS_PLATFORM)
4268         AC_SUBST(BTLS_CMAKE_ARGS)
4269
4270         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4271 else
4272         enable_btls=no
4273 fi
4274
4275 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4276
4277 if test x$DISABLE_MCS_DOCS = xyes; then
4278    docs_dir=""
4279 else
4280    docs_dir=docs
4281 fi
4282 AC_SUBST(docs_dir)
4283
4284 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4285 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4286
4287 libmono_ldflags="$libmono_ldflags $LIBS"
4288
4289 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4290 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4291 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4292 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4293 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4294 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4295 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4296 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4297 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4298 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4299 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4300 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4301 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4302 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4303 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4304 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4305 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4306
4307 AC_SUBST(LIBC)
4308 AC_SUBST(INTL)
4309 AC_SUBST(SQLITE)
4310 AC_SUBST(SQLITE3)
4311 AC_SUBST(X11)
4312 AC_SUBST(GDKX11)
4313 AC_SUBST(GTKX11)
4314 AC_SUBST(XINERAMA)
4315 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4316 AC_SUBST(arch_target)
4317 AC_SUBST(CFLAGS)
4318 AC_SUBST(CPPFLAGS)
4319 AC_SUBST(LDFLAGS)
4320
4321 #This must always be defined when building the runtime
4322 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4323
4324 mono_build_root=`pwd`
4325 AC_SUBST(mono_build_root)
4326
4327 mono_runtime=mono/mini/mono
4328 AC_SUBST(mono_runtime)
4329
4330 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.3.1/tools/csc.exe
4331
4332 if test $csc_compiler = mcs; then
4333   CSC=$mcs_topdir/class/lib/build/mcs.exe
4334 else
4335   CSC=$CSC_LOCATION
4336 fi
4337
4338 mono_cfg_root=$mono_build_root/runtime
4339 if test x$host_win32 = xyes; then
4340   if test "x$cross_compiling" = "xno"; then
4341     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4342     CSC=`cygpath -m -a $CSC`
4343     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4344   else
4345     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4346   fi
4347 else
4348   mono_cfg_dir=$mono_cfg_root/etc
4349 fi
4350 AC_SUBST(mono_cfg_dir)
4351
4352 AC_SUBST(CSC)
4353
4354 AC_CONFIG_FILES([po/mcs/Makefile.in])
4355
4356 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4357 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4358
4359 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4360 [   depth=../../../..
4361     case $srcdir in
4362     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4363     .) reldir=$depth ;;
4364     *) reldir=$depth/$srcdir ;;
4365     esac
4366     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4367     cd runtime/etc/mono/1.0
4368     rm -f machine.config
4369     $LN_S $reldir/data/net_1_1/machine.config machine.config
4370     cd $depth
4371 ],[LN_S='$LN_S'])
4372
4373 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4374 [   depth=../../../..
4375     case $srcdir in
4376     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4377     .) reldir=$depth ;;
4378     *) reldir=$depth/$srcdir ;;
4379     esac
4380     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4381     cd runtime/etc/mono/2.0
4382     rm -f machine.config
4383     $LN_S $reldir/data/net_2_0/machine.config machine.config
4384     cd $depth
4385 ],[LN_S='$LN_S'])
4386
4387 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4388 [   depth=../../../..
4389     case $srcdir in
4390     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4391     .) reldir=$depth ;;
4392     *) reldir=$depth/$srcdir ;;
4393     esac
4394     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4395     cd runtime/etc/mono/2.0
4396     rm -f web.config
4397     $LN_S $reldir/data/net_2_0/web.config web.config
4398     cd $depth
4399 ],[LN_S='$LN_S'])
4400
4401 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4402 [   depth=../../..
4403     case $srcdir in
4404     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4405     .) reldir=$depth ;;
4406     *) reldir=$depth/$srcdir ;;
4407     esac
4408     $ac_aux_dir/install-sh -d runtime/etc/mono/
4409     cd runtime/etc/mono/
4410     rm -f browscap.ini
4411     $LN_S $reldir/data/browscap.ini browscap.ini
4412     cd $depth
4413 ],[LN_S='$LN_S'])
4414
4415 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4416 [   depth=../../../../..
4417     case $srcdir in
4418     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4419     .) reldir=$depth ;;
4420     *) reldir=$depth/$srcdir ;;
4421     esac
4422     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4423     cd runtime/etc/mono/2.0/Browsers
4424     rm -f Compat.browser
4425     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4426     cd $depth
4427 ],[LN_S='$LN_S'])
4428
4429 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4430 [   depth=../../../../..
4431     case $srcdir in
4432     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4433     .) reldir=$depth ;;
4434     *) reldir=$depth/$srcdir ;;
4435     esac
4436     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4437     cd runtime/etc/mono/4.0/Browsers
4438     rm -f Compat.browser
4439     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4440     cd $depth
4441 ],[LN_S='$LN_S'])
4442
4443 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4444 [   depth=../../../../..
4445     case $srcdir in
4446     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4447     .) reldir=$depth ;;
4448     *) reldir=$depth/$srcdir ;;
4449     esac
4450     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4451     cd runtime/etc/mono/4.5/Browsers
4452     rm -f Compat.browser
4453     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4454     cd $depth
4455 ],[LN_S='$LN_S'])
4456
4457 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4458 [   depth=../../../..
4459     case $srcdir in
4460     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4461     .) reldir=$depth ;;
4462     *) reldir=$depth/$srcdir ;;
4463     esac
4464     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4465     cd runtime/etc/mono/4.0
4466     rm -f machine.config
4467     $LN_S $reldir/data/net_4_0/machine.config machine.config
4468     cd $depth
4469 ],[LN_S='$LN_S'])
4470
4471 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4472 [   depth=../../../..
4473     case $srcdir in
4474     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4475     .) reldir=$depth ;;
4476     *) reldir=$depth/$srcdir ;;
4477     esac
4478     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4479     cd runtime/etc/mono/4.0
4480     rm -f web.config
4481     $LN_S $reldir/data/net_4_0/web.config web.config
4482     cd $depth
4483 ],[LN_S='$LN_S'])
4484
4485 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4486 [   depth=../../../..
4487     case $srcdir in
4488     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4489     .) reldir=$depth ;;
4490     *) reldir=$depth/$srcdir ;;
4491     esac
4492     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4493     cd runtime/etc/mono/4.5
4494     rm -f machine.config
4495     $LN_S $reldir/data/net_4_5/machine.config machine.config
4496     cd $depth
4497 ],[LN_S='$LN_S'])
4498
4499 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4500 [   depth=../../../..
4501     case $srcdir in
4502     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4503     .) reldir=$depth ;;
4504     *) reldir=$depth/$srcdir ;;
4505     esac
4506     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4507     cd runtime/etc/mono/4.5
4508     rm -f web.config
4509     $LN_S $reldir/data/net_4_5/web.config web.config
4510     cd $depth
4511 ],[LN_S='$LN_S'])
4512
4513 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])
4514 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])
4515
4516 AC_OUTPUT([
4517 Makefile
4518 mono-uninstalled.pc
4519 acceptance-tests/Makefile
4520 llvm/Makefile
4521 scripts/mono-find-provides
4522 scripts/mono-find-requires
4523 mono/Makefile
4524 mono/btls/Makefile
4525 mono/utils/Makefile
4526 mono/metadata/Makefile
4527 mono/dis/Makefile
4528 mono/cil/Makefile
4529 mono/arch/Makefile
4530 mono/arch/x86/Makefile
4531 mono/arch/amd64/Makefile
4532 mono/arch/ppc/Makefile
4533 mono/arch/sparc/Makefile
4534 mono/arch/s390x/Makefile
4535 mono/arch/arm/Makefile
4536 mono/arch/arm64/Makefile
4537 mono/arch/mips/Makefile
4538 mono/sgen/Makefile
4539 mono/tests/Makefile
4540 mono/tests/tests-config
4541 mono/tests/gc-descriptors/Makefile
4542 mono/tests/testing_gac/Makefile
4543 mono/unit-tests/Makefile
4544 mono/benchmark/Makefile
4545 mono/mini/Makefile
4546 mono/profiler/Makefile
4547 mono/eglib/Makefile
4548 mono/eglib/eglib-config.h
4549 m4/Makefile
4550 ikvm-native/Makefile
4551 scripts/Makefile
4552 man/Makefile
4553 docs/Makefile
4554 data/Makefile
4555 data/net_2_0/Makefile
4556 data/net_4_0/Makefile
4557 data/net_4_5/Makefile
4558 data/net_2_0/Browsers/Makefile
4559 data/net_4_0/Browsers/Makefile
4560 data/net_4_5/Browsers/Makefile
4561 data/mint.pc
4562 data/mono-2.pc
4563 data/monosgen-2.pc
4564 data/mono.pc
4565 data/mono-cairo.pc
4566 data/mono-nunit.pc
4567 data/mono-options.pc
4568 data/mono-lineeditor.pc
4569 data/monodoc.pc
4570 data/dotnet.pc
4571 data/dotnet35.pc
4572 data/wcf.pc
4573 data/cecil.pc
4574 data/system.web.extensions_1.0.pc
4575 data/system.web.extensions.design_1.0.pc
4576 data/system.web.mvc.pc
4577 data/system.web.mvc2.pc
4578 data/system.web.mvc3.pc
4579 data/aspnetwebstack.pc
4580 data/reactive.pc
4581 samples/Makefile
4582 support/Makefile
4583 data/config
4584 tools/Makefile
4585 tools/locale-builder/Makefile
4586 tools/sgen/Makefile
4587 tools/monograph/Makefile
4588 tools/pedump/Makefile
4589 runtime/Makefile
4590 msvc/Makefile
4591 po/Makefile
4592 ])
4593
4594 # Update all submodules recursively to ensure everything is checked out
4595 $srcdir/scripts/update_submodules.sh
4596
4597 if test x$host_win32 = xyes; then
4598    # Get rid of 'cyg' prefixes in library names
4599    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4600    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4601    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4602    # executable doesn't work...
4603    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4604 fi
4605
4606 if test x$host_darwin = xyes; then
4607    # This doesn't seem to be required and it slows down parallel builds
4608    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4609 fi
4610
4611 (
4612   case $prefix in
4613   NONE) prefix=$ac_default_prefix ;;
4614   esac
4615   case $exec_prefix in
4616   NONE) exec_prefix='${prefix}' ;;
4617   esac
4618
4619   #
4620   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4621   # any existing config.make.  This allows people to share the same source tree
4622   # with different build directories, one native and one cross
4623   #
4624   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4625
4626     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4627
4628     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4629     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4630     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4631     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4632     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4633     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4634     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4635     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4636     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4637
4638     case $INSTALL in
4639     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4640     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4641     esac
4642
4643     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4644
4645     export VERSION
4646     [myver=$($AWK 'BEGIN {
4647       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4648       if(length(vsplit [1]) > 4) {
4649         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4650       }
4651       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4652     }')]
4653
4654     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4655     echo "MONO_CORLIB_VERSION = $MONO_CORLIB_VERSION" >> $mcs_topdir/build/config.make
4656
4657     if test x$host_darwin = xyes; then
4658       echo "BUILD_PLATFORM = darwin" >> $mcs_topdir/build/config.make
4659     elif test x$host_win32 = xyes; then
4660       echo "BUILD_PLATFORM = win32" >> $mcs_topdir/build/config.make
4661     else
4662       echo "BUILD_PLATFORM = linux" >> $mcs_topdir/build/config.make
4663     fi
4664
4665     if test x$host_darwin = xyes; then
4666       echo "HOST_PLATFORM ?= darwin" >> $mcs_topdir/build/config.make
4667     elif test x$host_win32 = xyes; then
4668       echo "HOST_PLATFORM ?= win32" >> $mcs_topdir/build/config.make
4669     else
4670       echo "HOST_PLATFORM ?= linux" >> $mcs_topdir/build/config.make
4671     fi
4672
4673     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4674       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4675     fi
4676
4677         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4678            enable_system_aot=yes
4679         fi
4680
4681     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4682       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4683     fi
4684
4685     if test x$DISABLE_MCS_DOCS = xyes; then
4686       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4687     fi
4688
4689     if test x$has_extension_module != xno; then
4690         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4691     fi
4692
4693     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4694
4695     if test "x$test_bcl_opt" = "xyes"; then
4696       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4697     fi
4698
4699     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4700
4701     if test $csc_compiler = mcs; then
4702       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4703     fi
4704
4705     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4706       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4707       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4708     fi
4709
4710     if test "x$enable_btls" = "xyes"; then
4711       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4712     fi
4713
4714   fi
4715
4716 )
4717
4718 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4719
4720 btls_platform_string=
4721 if test x$enable_btls = xyes; then
4722         if test x$btls_android = xyes; then
4723                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4724         else
4725                 btls_platform_string=" ($BTLS_PLATFORM)"
4726         fi
4727 fi
4728
4729 echo "
4730         mcs source:    $mcsdir
4731         C# Compiler:   $csc_compiler
4732
4733    Engine:
4734         Host:          $host
4735         Target:        $target
4736         GC:            $gc_msg
4737         TLS:           $with_tls
4738         SIGALTSTACK:   $with_sigaltstack
4739         Engine:        $jit_status
4740         BigArrays:     $enable_big_arrays
4741         DTrace:        $enable_dtrace
4742         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4743         Interpreter:   $enable_interpreter
4744
4745    Libraries:
4746         .NET 4.x:        $with_profile4_x
4747         Xamarin.Android: $with_monodroid
4748         Xamarin.iOS:     $with_monotouch
4749         Xamarin.WatchOS: $with_monotouch_watch
4750         Xamarin.TVOS:    $with_monotouch_tv
4751         Xamarin.Mac:     $with_xammac
4752         Windows AOT:     $with_winaot
4753         Orbis:           $with_orbis
4754         Unreal:          $with_unreal
4755         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4756         JNI support:     $jdk_headers_found
4757         libgdiplus:      $libgdiplus_msg
4758         zlib:            $zlib_msg
4759         BTLS:            $enable_btls$btls_platform_string
4760         $disabled
4761 "
4762 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4763    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4764 fi