configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 AC_SUBST(PLATFORM_AOT_SUFFIX)
 383
 384 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 385
 386 AC_CHECK_TOOL(CC, gcc, gcc)
 387 AC_PROG_CC
 388 AC_CHECK_TOOL(CXX, g++, g++)
 389 AC_PROG_CXX
 390 AM_PROG_AS
 391 AC_PROG_INSTALL
 392 AC_PROG_AWK
 393 AM_PROG_CC_C_O
 394 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 395 : ${CCAS='$(CC)'}
 396 # Set ASFLAGS if not already set.
 397 : ${CCASFLAGS='$(CFLAGS)'}
 398 AC_SUBST(CCAS)
 399 AC_SUBST(CCASFLAGS)
 400
 401 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 402 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 403 if test "x$CXX" = "xg++"; then
 404         if test "x$GXX" != "xyes"; then
 405                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 406                 # are inside automake conditionals
 407                 AC_MSG_ERROR([You need to install g++])
 408         fi
 409 fi
 410
 411 dnl may require a specific autoconf version
 412 dnl AC_PROG_CC_FOR_BUILD
 413 dnl CC_FOR_BUILD not automatically detected
 414 CC_FOR_BUILD=$CC
 415 CFLAGS_FOR_BUILD=$CFLAGS
 416 BUILD_EXEEXT=
 417 if test "x$cross_compiling" = "xyes"; then
 418         CC_FOR_BUILD=cc
 419         CFLAGS_FOR_BUILD=
 420         BUILD_EXEEXT=""
 421 fi
 422 AC_SUBST(CC_FOR_BUILD)
 423 AC_SUBST(CFLAGS_FOR_BUILD)
 424 AC_SUBST(HOST_CC)
 425 AC_SUBST(BUILD_EXEEXT)
 426
 427 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 428 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 429
 430 # Set STDC_HEADERS
 431 AC_HEADER_STDC
 432 AC_LIBTOOL_WIN32_DLL
 433 # This causes monodis to not link correctly
 434 #AC_DISABLE_FAST_INSTALL
 435
 436 #lookup makedev() header
 437 AC_HEADER_MAJOR
 438
 439 AM_PROG_LIBTOOL
 440 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 441 DOLT
 442
 443 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 444 AC_SUBST(export_ldflags)
 445
 446 # Test whenever ld supports -version-script
 447 AC_PROG_LD
 448 AC_PROG_LD_GNU
 449
 450 AM_ICONV()
 451
 452 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)
 453 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)
 454 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 455                   [], [], [#include <stddef.h>
 456                   #include <sys/socket.h>
 457                   #include <linux/socket.h>])
 458
 459 AC_CHECK_HEADERS(sys/user.h, [], [],
 460 [
 461 #ifdef HAVE_SYS_PARAM_H
 462 # include <sys/param.h>
 463 #endif
 464 ])
 465
 466 AC_CHECK_HEADERS(linux/serial.h)
 467
 468 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 469 if test x$have_zlib = xyes; then
 470    AC_TRY_COMPILE([#include <zlib.h>], [
 471    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 472    return 0;
 473    #else
 474    #error No good zlib found
 475    #endif
 476    ],[
 477         AC_MSG_RESULT(Using system zlib)
 478         zlib_msg="system zlib"
 479         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 480    ],[
 481         AC_MSG_RESULT(Using embedded zlib)
 482         have_zlib=no
 483         zlib_msg="bundled zlib"
 484    ])
 485 fi
 486
 487 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 488 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 489
 490 # for mono/metadata/debug-symfile.c
 491 AC_CHECK_HEADERS(elf.h)
 492
 493 # for support
 494 AC_CHECK_HEADERS(poll.h)
 495 AC_CHECK_HEADERS(sys/poll.h)
 496 AC_CHECK_HEADERS(sys/wait.h)
 497 AC_CHECK_HEADERS(grp.h)
 498 AC_CHECK_HEADERS(syslog.h)
 499
 500 # for mono/dis
 501 AC_CHECK_HEADERS(wchar.h)
 502 AC_CHECK_HEADERS(ieeefp.h)
 503 AC_MSG_CHECKING(for isinf)
 504 AC_TRY_LINK([#include <math.h>], [
 505         int f = isinf (1.0);
 506 ], [
 507         AC_MSG_RESULT(yes)
 508         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 509 ], [
 510         # We'll have to use signals
 511         AC_MSG_RESULT(no)
 512 ])
 513 # mingw
 514 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 515         AC_TRY_LINK([#include <math.h>],
 516         [ _finite(0.0); ],
 517         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 518         AC_MSG_RESULT(no)))
 519
 520 # for Linux statfs support
 521 AC_CHECK_HEADERS(linux/magic.h)
 522
 523 # not 64 bit clean in cross-compile
 524 AC_CHECK_SIZEOF(void *, 4)
 525
 526 AC_CACHE_CHECK([for clang],
 527         mono_cv_clang,[
 528         AC_TRY_COMPILE([], [
 529                 #ifdef __clang__
 530                 #else
 531                 #error "FAILED"
 532                 #endif
 533                 return 0;
 534         ],
 535         [mono_cv_clang=yes],
 536         [mono_cv_clang=no],
 537         [])
 538 ])
 539
 540 AC_ARG_ENABLE(visibility-hidden,
 541 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 542    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 543
 544 WARN=''
 545 if test x"$GCC" = xyes; then
 546         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 547
 548                 # We require C99 with some GNU extensions, e.g. `linux` macro
 549                 CFLAGS="$CFLAGS -std=gnu99"
 550
 551                 # The runtime code does not respect ANSI C strict aliasing rules
 552                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 553
 554                 # We rely on signed overflow to behave
 555                 CFLAGS="$CFLAGS -fwrapv"
 556
 557                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 558                 if test x"$disable_visibility_hidden" = xno; then
 559                    # Don't export any symbols by default
 560                    SHARED_CFLAGS="-fvisibility=hidden"
 561                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 562                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 563                 fi
 564
 565                 ORIG_CFLAGS=$CFLAGS
 566                 # Check for the normal version, since gcc ignores unknown -Wno options
 567                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 568                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 569                 AC_TRY_COMPILE([],[
 570                                 return 0;
 571                 ], [
 572                    AC_MSG_RESULT(yes)
 573                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 574                 ], [
 575                    AC_MSG_RESULT(no)
 576                    CFLAGS=$ORIG_CFLAGS
 577                 ])
 578
 579                 if test "x$mono_cv_clang" = "xyes"; then
 580                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 581                    WARN="$WARN -Qunused-arguments"
 582                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 583                    # We rely on zero length arrays in structs
 584                    WARN="$WARN -Wno-zero-length-array"
 585                 fi
 586 else
 587         # The Sun Forte compiler complains about inline functions that access static variables
 588         # so disable all inlining.
 589         case "$host" in
 590         *-*-solaris*)
 591                 CFLAGS="$CFLAGS -Dinline="
 592                 ;;
 593         esac
 594 fi
 595 CFLAGS="$CFLAGS -g $WARN"
 596 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 597 CPPFLAGS="$CPPFLAGS -g $WARN"
 598
 599 # Where's the 'mcs' source tree?
 600 if test -d $srcdir/mcs; then
 601   mcsdir=mcs
 602 else
 603   mcsdir=../mcs
 604 fi
 605
 606 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 607         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 608                 mcsdir=$with_mcs_path
 609         fi
 610 )
 611
 612 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 613
 614 #
 615 # A sanity check to catch cases where the package was unpacked
 616 # with an ancient tar program (Solaris)
 617 #
 618 AC_ARG_ENABLE(solaris-tar-check,
 619 [  --disable-solaris-tar-check    disable solaris tar check],
 620    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 621
 622 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 623         AC_MSG_CHECKING(integrity of package)
 624         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 625         then
 626                 AC_MSG_RESULT(ok)
 627         else
 628                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 629                 AC_MSG_ERROR([$errorm])
 630         fi
 631 fi
 632
 633 if test "x$with_mcs_path" != "x"; then
 634 mcs_topdir=$(cd "$mcsdir" && pwd)
 635 mcs_topdir_from_srcdir=$mcs_topdir
 636 else
 637 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 638 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 639 fi
 640
 641 # Convert mcs_topdir* paths to Windows syntax.
 642 if test x$cross_compiling$host_win32 = xnoyes; then
 643   mcs_topdir=$(cygpath -m $mcs_topdir)
 644   case $mcs_topdir_from_srcdir in
 645     /cygdrive/*)
 646         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 647         ;;
 648   esac
 649 fi
 650
 651 AC_SUBST([mcs_topdir])
 652 AC_SUBST([mcs_topdir_from_srcdir])
 653
 654 # gettext: prepare the translation directories.
 655 # we do not configure the full gettext, as we consume it dynamically from C#
 656 AM_PO_SUBDIRS
 657
 658 if test "x$USE_NLS" = "xyes"; then
 659    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 660
 661    if test "x$HAVE_MSGFMT" = "xno"; then
 662           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 663    fi
 664 fi
 665
 666 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 667
 668 pkg_config_path=
 669 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 670         if test x$with_crosspkgdir = "x"; then
 671                 if test -s $PKG_CONFIG_PATH; then
 672                         pkg_config_path=$PKG_CONFIG_PATH
 673                 fi
 674         else
 675                 pkg_config_path=$with_crosspkgdir
 676                 PKG_CONFIG_PATH=$pkg_config_path
 677                 export PKG_CONFIG_PATH
 678         fi
 679 )
 680
 681 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 682 if test x$werror_flag = xyes; then
 683         WERROR_CFLAGS="-Werror"
 684 fi
 685 AC_SUBST([WERROR_CFLAGS])
 686 AC_SUBST([SHARED_CFLAGS])
 687
 688 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 689 AC_CONFIG_SUBDIRS(eglib)
 690
 691 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 692 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 693
 694 AC_SUBST(GLIB_CFLAGS)
 695 AC_SUBST(GLIB_LIBS)
 696
 697 # Enable support for fast thread-local storage
 698 # Some systems have broken support, so we allow to disable it.
 699 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 700
 701 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 702 # This does not work on some platforms (bug #55253)
 703 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 704
 705 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 706 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 707 # Same as --with-shared_mono=no
 708 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 709
 710 if test "x$enable_static" = "xno"; then
 711    with_static_mono=no
 712 fi
 713
 714 if test "x$enable_shared" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 if test "x$enable_libraries" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 723
 724 case $host in
 725 *nacl* ) with_shared_mono=yes;;
 726 esac
 727
 728 if test "x$host_win32" = "xyes"; then
 729    # Boehm GC requires the runtime to be in its own dll
 730    with_static_mono=no
 731 fi
 732
 733 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 734 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 735 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 736
 737 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 738 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 739         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 740         ORIG_CFLAGS=$CFLAGS
 741         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 742         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 743         AC_TRY_COMPILE([], [
 744                 return 0;
 745         ], [
 746            AC_MSG_RESULT(yes)
 747            # Pass it to libgc as well
 748            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 749         ], [
 750            AC_MSG_RESULT(no)
 751            CFLAGS=$ORIG_CFLAGS
 752         ])
 753 fi
 754
 755 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 756
 757 if test x$enable_small_config = xyes; then
 758         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 759         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 760 fi
 761
 762 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=$enableval, enable_system_aot=default)
 763
 764 DISABLED_FEATURES=none
 765 csc_compiler=default
 766 endian=unknown
 767 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 768 AC_MSG_CHECKING([CSharp compiler to use])
 769 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 770    if test x$withval = xmcs; then
 771        csc_compiler=mcs
 772    elif test x$withval = xroslyn; then
 773        csc_compiler=roslyn
 774    elif test x$withval = xdefault; then
 775        :
 776    else
 777        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 778    fi
 779 ],[csc_compiler=default])
 780
 781 if test $csc_compiler = default; then
 782    if test $endian = big; then
 783       csc_compiler=mcs
 784    elif test $endian = little; then
 785       csc_compiler=roslyn
 786    else
 787       csc_compiler=mcs
 788    fi
 789 fi
 790 AC_MSG_RESULT($csc_compiler)
 791
 792 #
 793 # Set the build profiles and options before things which use them
 794 #
 795
 796 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])
 797 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 798 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 799 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])
 800 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])
 801 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 802 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 803 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])
 804 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])
 805 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 806
 807 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 808
 809 dnl
 810 dnl Profile defaults
 811 dnl
 812 TEST_PROFILE=default
 813 enable_llvm_default=no
 814
 815 with_profile4_x_default=no
 816 with_monodroid_default=no
 817 with_monotouch_default=no
 818 with_monotouch_watch_default=no
 819 with_monotouch_tv_default=no
 820 with_xammac_default=no
 821 with_testing_aot_hybrid_default=no
 822 with_testing_aot_full_default=no
 823 with_winaot_default=no
 824
 825 with_bitcode_default=no
 826 with_cooperative_gc_default=no
 827
 828 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 829
 830 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 831    DISABLE_MCS_DOCS_default=yes
 832 elif test x$with_runtime_preset = xnet_4_x; then
 833    with_profile4_x_default=yes
 834 elif test x$with_runtime_preset = xall; then
 835    with_profile4_x_default=yes
 836    with_monodroid_default=yes
 837    with_monotouch_default=yes
 838    with_monotouch_watch_default=yes
 839    with_monotouch_tv_default=yes
 840    with_xammac_default=yes
 841    with_winaot_default=yes
 842 elif test x$with_runtime_preset = xfullaot; then
 843    DISABLE_MCS_DOCS_default=yes
 844    with_testing_aot_full_default=yes
 845    TEST_PROFILE=testing_aot_full
 846
 847    mono_feature_disable_com='yes'
 848    mono_feature_disable_remoting='yes'
 849    mono_feature_disable_reflection_emit_save='yes'
 850    mono_feature_disable_reflection_emit='yes'
 851    mono_feature_disable_appdomains='yes'
 852
 853    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 854    AOT_RUN_FLAGS="--full-aot"
 855 elif test x$with_runtime_preset = xbitcode; then
 856    DISABLE_MCS_DOCS_default=yes
 857    with_testing_aot_full_default=yes
 858    with_bitcode_default=yes
 859    with_cooperative_gc_default=yes
 860    TEST_PROFILE=testing_aot_full
 861    enable_llvm_default=yes
 862
 863    mono_feature_disable_com='yes'
 864    mono_feature_disable_remoting='yes'
 865    mono_feature_disable_reflection_emit_save='yes'
 866    mono_feature_disable_reflection_emit='yes'
 867    mono_feature_disable_appdomains='yes'
 868
 869    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 870    AOT_RUN_FLAGS="--llvmonly"
 871 elif test x$with_runtime_preset = xhybridaot; then
 872    DISABLE_MCS_DOCS_default=yes
 873    with_testing_aot_hybrid_default=yes
 874    TEST_PROFILE=testing_aot_hybrid
 875
 876    mono_feature_disable_com='yes'
 877    mono_feature_disable_remoting='yes'
 878    mono_feature_disable_appdomains='yes'
 879
 880    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 881    AOT_RUN_FLAGS="--hybrid-aot"
 882 elif test x$with_runtime_preset = xaot; then
 883    with_profile4_x_default=yes
 884
 885    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 886    AOT_RUN_FLAGS=""
 887
 888    DISABLE_MCS_DOCS_default=yes
 889 else
 890    with_profile4_x_default=yes
 891 fi
 892
 893 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 894    AC_SUBST(AOT_BUILD_FLAGS)
 895    AC_SUBST(AOT_RUN_FLAGS)
 896    # For llvmonlycheck + fullaotcheck
 897    AC_SUBST(INVARIANT_AOT_OPTIONS)
 898 fi
 899
 900 AC_SUBST(TEST_PROFILE)
 901
 902 if test "x$with_profile4_x" = "xdefault"; then
 903    with_profile4_x=$with_profile4_x_default
 904 fi
 905 if test "x$with_monodroid" = "xdefault"; then
 906    with_monodroid=$with_monodroid_default
 907 fi
 908 if test "x$with_monotouch" = "xdefault"; then
 909    with_monotouch=$with_monotouch_default
 910 fi
 911 if test "x$with_monotouch_watch" = "xdefault"; then
 912    with_monotouch_watch=$with_monotouch_watch_default
 913 fi
 914 if test "x$with_monotouch_tv" = "xdefault"; then
 915    with_monotouch_tv=$with_monotouch_tv_default
 916 fi
 917 if test "x$with_bitcode" = "xdefault"; then
 918    with_bitcode=$with_bitcode_default
 919 fi
 920 if test "x$with_xammac" = "xdefault"; then
 921    with_xammac=$with_xammac_default
 922 fi
 923 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 924    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 925 fi
 926 if test "x$with_testing_aot_full" = "xdefault"; then
 927    with_testing_aot_full=$with_testing_aot_full_default
 928 fi
 929 if test "x$with_winaot" = "xdefault"; then
 930    with_winaot=$with_winaot_default
 931 fi
 932
 933
 934 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 935 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 936 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 937 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 938 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 939 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 940 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 941 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 942 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 943 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 944
 945 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 946 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 947
 948 default_profile=net_4_x
 949 if test -z "$INSTALL_MONODROID_TRUE"; then :
 950    default_profile=monodroid
 951 fi
 952 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 953    default_profile=monotouch
 954 fi
 955 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 956    default_profile=xammac
 957 fi
 958 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 959    default_profile=testing_aot_hybrid
 960 fi
 961 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 962    default_profile=testing_aot_full
 963 fi
 964 if test -z "$INSTALL_4_x_TRUE"; then :
 965    default_profile=net_4_x
 966 fi
 967 DEFAULT_PROFILE=$default_profile
 968 AC_SUBST(DEFAULT_PROFILE)
 969
 970 #
 971 # End build profile configuration
 972 #
 973
 974 if test x$USE_NLS = xprofile_default; then
 975
 976 if test x$host_darwin = xyes; then
 977 # We make the default value for USE_NLS
 978 # "no" on OSX because it isn't available on most
 979 # default OSX installs. The most common configurations will
 980 # all disable it, so this saves us typing.
 981   USE_NLS=no
 982   AC_SUBST([USE_NLS])
 983   AC_MSG_RESULT([$USE_NLS])
 984 else
 985   USE_NLS=yes
 986   AC_SUBST([USE_NLS])
 987   AC_MSG_RESULT([$USE_NLS])
 988 fi
 989
 990 fi
 991
 992 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 993      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 994      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 995          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 996 [
 997         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 998                 eval "mono_feature_disable_$feature='yes'"
 999         done
1000         DISABLED_FEATURES=$enable_minimal
1001         disabled="Disabled:      $enable_minimal"
1002 ],[])
1003
1004 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1005
1006 if test "x$mono_feature_disable_aot" = "xyes"; then
1007         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1008         enable_system_aot=no
1009         AC_MSG_NOTICE([Disabled AOT compiler])
1010 fi
1011
1012 if test "x$mono_feature_disable_profiler" = "xyes"; then
1013         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1014         AC_MSG_NOTICE([Disabled support for the profiler])
1015 fi
1016 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1017
1018 if test "x$mono_feature_disable_decimal" = "xyes"; then
1019         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1020         AC_MSG_NOTICE([Disabled support for decimal])
1021 fi
1022
1023 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1024         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1025         AC_MSG_NOTICE([Disabled support for P/Invoke])
1026 fi
1027
1028 if test "x$mono_feature_disable_debug" = "xyes"; then
1029         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1030         AC_MSG_NOTICE([Disabled support for runtime debugging])
1031 fi
1032
1033 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1034         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1035         mono_feature_disable_reflection_emit_save=yes
1036         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1037 fi
1038
1039 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1040         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1041         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1042 fi
1043
1044 if test "x$mono_feature_disable_large_code" = "xyes"; then
1045         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1046         AC_MSG_NOTICE([Disabled support for large assemblies])
1047 fi
1048
1049 if test "x$mono_feature_disable_logging" = "xyes"; then
1050         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1051         AC_MSG_NOTICE([Disabled support for logging])
1052 fi
1053
1054 if test "x$mono_feature_disable_com" = "xyes"; then
1055         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1056         AC_MSG_NOTICE([Disabled COM support])
1057 fi
1058
1059 if test "x$mono_feature_disable_ssa" = "xyes"; then
1060         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1061         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1062 fi
1063
1064 if test "x$mono_feature_disable_generics" = "xyes"; then
1065         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1066         AC_MSG_NOTICE([Disabled Generics Support])
1067 fi
1068
1069 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1070         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1071         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1072 fi
1073
1074 if test "x$mono_feature_disable_portability" = "xyes"; then
1075         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1076         AC_MSG_NOTICE([Disabled IO Portability layer])
1077 fi
1078
1079 if test "x$mono_feature_disable_attach" = "xyes"; then
1080         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1081         AC_MSG_NOTICE([Disabled agent attach])
1082 fi
1083
1084 if test "x$mono_feature_disable_verifier" = "xyes"; then
1085         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1086         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1087 fi
1088
1089 if test "x$mono_feature_disable_jit" = "xyes"; then
1090         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1091         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1092 fi
1093
1094 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1095
1096 if test "x$mono_feature_disable_simd" = "xyes"; then
1097         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1098         AC_MSG_NOTICE([Disabled SIMD support])
1099 fi
1100
1101 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1102         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1103         AC_MSG_NOTICE([Disabled Soft Debugger.])
1104 fi
1105
1106 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1107         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1108         AC_MSG_NOTICE([Disabled Performance Counters.])
1109 fi
1110 if test "x$mono_feature_disable_normalization" = "xyes"; then
1111         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1112         AC_MSG_NOTICE([Disabled String normalization support.])
1113 fi
1114
1115 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1116         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1117         AC_MSG_NOTICE([Disabled Assembly remapping.])
1118 fi
1119
1120 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1121         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1122         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1123 fi
1124
1125 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1126         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1127         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1128 fi
1129
1130 if test "x$mono_feature_disable_remoting" = "xyes"; then
1131         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1132         AC_MSG_NOTICE([Disabled remoting])
1133 fi
1134
1135 if test "x$mono_feature_disable_security" = "xyes"; then
1136         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1137         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1138 fi
1139
1140 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1141         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1142         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1143 fi
1144
1145 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1146         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1147         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1148 fi
1149
1150 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1151         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1152         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1153 fi
1154
1155 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1156         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1157         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1158 fi
1159
1160 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1161         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1162         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1163 fi
1164
1165 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1166 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1167
1168 has_extension_module=no
1169 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1170 [
1171         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1172                 if test x$extension = xdefault ; then
1173                         has_extension_module=yes;
1174                 fi
1175         done
1176         if test x$enable_extension_module = xyes; then
1177                 has_extension_module=yes;
1178         fi
1179 ], [])
1180
1181 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1182
1183 if test x$has_extension_module != xno ; then
1184         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1185         AC_MSG_NOTICE([Enabling mono extension module.])
1186 fi
1187
1188 # Deprecated
1189 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1190
1191 AC_MSG_CHECKING(for visibility __attribute__)
1192 AC_COMPILE_IFELSE([
1193         AC_LANG_SOURCE([[
1194                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1195                 int main () { doit (); return 0; }
1196         ]])
1197 ], [
1198    have_visibility_hidden=yes
1199    AC_MSG_RESULT(yes)
1200 ], [
1201    have_visibility_hidden=no
1202    AC_MSG_RESULT(no)
1203 ])
1204
1205 dnl
1206 dnl Boehm GC configuration
1207 dnl
1208
1209 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1210
1211 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1212 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1213
1214 if test "x$support_boehm" = "xyes"; then
1215
1216         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1217         if test x$enable_parallel_mark = xyes; then
1218                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1219         fi
1220
1221         gc_msg=""
1222         LIBGC_CPPFLAGS=
1223         LIBGC_LIBS=
1224         LIBGC_STATIC_LIBS=
1225         libgc_dir=
1226         case "x$libgc" in
1227                 xincluded)
1228                         if test "x$support_boehm" = "xyes"; then
1229                                 libgc_dir=libgc
1230                         fi
1231
1232                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1233                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1234                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1235
1236                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1237
1238                         if test x$target_win32 = xyes; then
1239                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1240                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1241                         fi
1242
1243                         gc_msg="Included Boehm GC with typed GC"
1244                         if test x$enable_parallel_mark = xyes; then
1245                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1246                                 gc_msg="$gc_msg and parallel mark"
1247                         else
1248                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1249                         fi
1250                         ;;
1251
1252                 xboehm|xbohem|xyes)
1253                         AC_MSG_WARN("External Boehm is no longer supported")
1254                         ;;
1255
1256                 xsgen)
1257                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1258                         ;;
1259
1260                 xnone)
1261                         AC_MSG_WARN("Compiling mono without GC.")
1262                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1263                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1264                         gc_msg="none"
1265                         ;;
1266                 *)
1267                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1268                         ;;
1269         esac
1270
1271         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1272         if test "x$large_heap" = "xyes"; then
1273            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1274         fi
1275
1276         AC_SUBST(LIBGC_CPPFLAGS)
1277         AC_SUBST(LIBGC_LIBS)
1278         AC_SUBST(LIBGC_STATIC_LIBS)
1279         AC_SUBST(libgc_dir)
1280         AC_SUBST(BOEHM_DEFINES)
1281
1282 fi
1283
1284 dnl
1285 dnl End of Boehm GC Configuration
1286 dnl
1287
1288 dnl *************************************
1289 dnl *** Checks for zero length arrays ***
1290 dnl *************************************
1291 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1292 AC_TRY_COMPILE([
1293         struct s {
1294                 int  length;
1295                 char data [0];
1296         };
1297 ], [], [
1298         AC_MSG_RESULT(yes)
1299         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1300 ], [
1301         AC_MSG_RESULT(no)
1302         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1303 ])
1304
1305 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1306
1307 dnl ***********************************
1308 dnl *** Checks for signals
1309 dnl ***********************************
1310 AC_CHECK_HEADERS(signal.h)
1311 AC_CHECK_FUNCS(sigaction)
1312 AC_CHECK_FUNCS(kill)
1313 AC_CHECK_FUNCS(signal)
1314
1315 # signal() is declared inline in Android headers
1316 # so we need to workaround it by overriding the check.
1317 if test x$platform_android = xyes; then
1318         AC_DEFINE(HAVE_SIGNAL,1)
1319 fi
1320
1321 if test x$host_win32 = xno; then
1322
1323         dnl hires monotonic clock support
1324         AC_SEARCH_LIBS(clock_gettime, rt)
1325         AC_CHECK_FUNCS(clock_nanosleep)
1326
1327         dnl dynamic loader support
1328         AC_CHECK_FUNC(dlopen, DL_LIB="",
1329                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1330         )
1331         if test x$dl_support = xno; then
1332                 AC_MSG_WARN([No dynamic loading support available])
1333         else
1334                 LIBS="$LIBS $DL_LIB"
1335                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1336                 dnl from glib's configure.ac
1337                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1338                         mono_cv_uscore,[
1339                         AC_TRY_RUN([#include <dlfcn.h>
1340                         int mono_underscore_test (void) { return 42; }
1341                         int main() {
1342                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1343                           handle = dlopen ((void*)0, 0);
1344                           if (handle) {
1345                             f1 = dlsym (handle, "mono_underscore_test");
1346                             f2 = dlsym (handle, "_mono_underscore_test");
1347                           } return (!f2 || f1);
1348                         }],
1349                                 [mono_cv_uscore=yes],
1350                                 [mono_cv_uscore=no],
1351                         [])
1352                 ])
1353                 if test "x$mono_cv_uscore" = "xyes"; then
1354                         MONO_DL_NEED_USCORE=1
1355                 else
1356                         MONO_DL_NEED_USCORE=0
1357                 fi
1358                 AC_SUBST(MONO_DL_NEED_USCORE)
1359                 AC_CHECK_FUNC(dlerror)
1360         fi
1361
1362         dnl ******************************************************************
1363         dnl *** Checks for the IKVM JNI interface library                  ***
1364         dnl ******************************************************************
1365         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])
1366
1367         ikvm_native_dir=
1368         if test x$with_ikvm_native = xyes; then
1369                 ikvm_native_dir=ikvm-native
1370                 jdk_headers_found="IKVM Native"
1371         fi
1372
1373         AC_SUBST(ikvm_native_dir)
1374
1375         AC_CHECK_HEADERS(execinfo.h)
1376
1377         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1378
1379         AC_CHECK_FUNCS(getgrgid_r)
1380         AC_CHECK_FUNCS(getgrnam_r)
1381         AC_CHECK_FUNCS(getpwnam_r)
1382         AC_CHECK_FUNCS(getpwuid_r)
1383         AC_CHECK_FUNCS(getresuid)
1384         AC_CHECK_FUNCS(setresuid)
1385         AC_CHECK_FUNCS(kqueue)
1386         AC_CHECK_FUNCS(backtrace_symbols)
1387         AC_CHECK_FUNCS(mkstemp)
1388         AC_CHECK_FUNCS(mmap)
1389         AC_CHECK_FUNCS(madvise)
1390         AC_CHECK_FUNCS(getrusage)
1391         AC_CHECK_FUNCS(getpriority)
1392         AC_CHECK_FUNCS(setpriority)
1393         AC_CHECK_FUNCS(dl_iterate_phdr)
1394         AC_CHECK_FUNCS(dladdr)
1395         AC_CHECK_FUNCS(sysconf)
1396         AC_CHECK_FUNCS(getrlimit)
1397         AC_CHECK_FUNCS(prctl)
1398
1399         AC_CHECK_FUNCS(sched_getaffinity)
1400         AC_CHECK_FUNCS(sched_setaffinity)
1401         AC_CHECK_FUNCS(sched_getcpu)
1402
1403         dnl ****************************************************************
1404         dnl *** Check for sched_setaffinity from glibc versions before   ***
1405         dnl *** 2.3.4. The older versions of the function only take 2    ***
1406         dnl *** parameters, not 3.                                       ***
1407         dnl ***                                                          ***
1408         dnl *** Because the interface change was not made in a minor     ***
1409         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1410         dnl *** won't always indicate the interface sched_affinity has.  ***
1411         dnl ****************************************************************
1412         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1413         AC_TRY_COMPILE([#include <sched.h>], [
1414             int mask = 1;
1415             sched_setaffinity(0, &mask);
1416                         return 0;
1417         ], [
1418                 # Yes, we have it...
1419                 AC_MSG_RESULT(yes)
1420                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1421         ], [
1422                 # We have the new, three-parameter version
1423                 AC_MSG_RESULT(no)
1424         ])
1425         AC_TRY_COMPILE([#include <sched.h>], [
1426              CPU_COUNT((void *) 0);
1427         ], [
1428                 AC_MSG_RESULT(yes)
1429                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1430         ], [
1431                 # We have the new, three-parameter version
1432                 AC_MSG_RESULT(no)
1433         ])
1434
1435         dnl ******************************************************************
1436         dnl *** Check for large file support                               ***
1437         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1438         dnl ******************************************************************
1439
1440         # Check that off_t can represent 2**63 - 1 correctly, working around
1441         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1442         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1443         large_offt=no
1444         AC_DEFUN([LARGE_FILES], [
1445                 large_CPPFLAGS=$CPPFLAGS
1446                 CPPFLAGS="$CPPFLAGS $1"
1447                 AC_TRY_COMPILE([
1448                         #include <sys/types.h>
1449                         #include <limits.h>
1450                 ], [
1451                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1452                         #define COMPILE_TIME_ASSERT(pred) \
1453                                 switch(0){case 0:case pred:;}
1454                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1455                 ], [
1456                         AC_MSG_RESULT(ok)
1457                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1458                         large_CPPFLAGS="$large_CPPFLAGS $1"
1459                         large_offt=yes
1460                 ], [
1461                         AC_MSG_RESULT(no)
1462                 ])
1463                 CPPFLAGS=$large_CPPFLAGS
1464         ])
1465
1466         AC_MSG_CHECKING(if off_t is 64 bits wide)
1467         LARGE_FILES("")
1468         if test $large_offt = no; then
1469                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1470                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1471         fi
1472         if test $large_offt = no; then
1473                 AC_MSG_WARN([No 64 bit file size support available])
1474         fi
1475
1476         dnl *****************************
1477         dnl *** Checks for libsocket  ***
1478         dnl *****************************
1479         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1480
1481         case "$host" in
1482                 *-*-*freebsd*)
1483                         dnl *****************************
1484                         dnl *** Checks for libinotify ***
1485                         dnl *****************************
1486                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1487         esac
1488
1489         dnl *******************************
1490         dnl *** Checks for MSG_NOSIGNAL ***
1491         dnl *******************************
1492         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1493         AC_TRY_COMPILE([#include <sys/socket.h>], [
1494                 int f = MSG_NOSIGNAL;
1495         ], [
1496                 # Yes, we have it...
1497                 AC_MSG_RESULT(yes)
1498                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1499         ], [
1500                 # We'll have to use signals
1501                 AC_MSG_RESULT(no)
1502         ])
1503
1504         dnl *****************************
1505         dnl *** Checks for IPPROTO_IP ***
1506         dnl *****************************
1507         AC_MSG_CHECKING(for IPPROTO_IP)
1508         AC_TRY_COMPILE([#include <netinet/in.h>], [
1509                 int level = IPPROTO_IP;
1510         ], [
1511                 # Yes, we have it...
1512                 AC_MSG_RESULT(yes)
1513                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1514         ], [
1515                 # We'll have to use getprotobyname
1516                 AC_MSG_RESULT(no)
1517         ])
1518
1519         dnl *******************************
1520         dnl *** Checks for IPPROTO_IPV6 ***
1521         dnl *******************************
1522         AC_MSG_CHECKING(for IPPROTO_IPV6)
1523         AC_TRY_COMPILE([#include <netinet/in.h>], [
1524                 int level = IPPROTO_IPV6;
1525         ], [
1526                 # Yes, we have it...
1527                 AC_MSG_RESULT(yes)
1528                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1529         ], [
1530                 # We'll have to use getprotobyname
1531                 AC_MSG_RESULT(no)
1532         ])
1533
1534         dnl ******************************
1535         dnl *** Checks for IPPROTO_TCP ***
1536         dnl ******************************
1537         AC_MSG_CHECKING(for IPPROTO_TCP)
1538         AC_TRY_COMPILE([#include <netinet/in.h>], [
1539                 int level = IPPROTO_TCP;
1540         ], [
1541                 # Yes, we have it...
1542                 AC_MSG_RESULT(yes)
1543                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1544         ], [
1545                 # We'll have to use getprotobyname
1546                 AC_MSG_RESULT(no)
1547         ])
1548
1549         dnl *****************************
1550         dnl *** Checks for SOL_IP     ***
1551         dnl *****************************
1552         AC_MSG_CHECKING(for SOL_IP)
1553         AC_TRY_COMPILE([#include <netdb.h>], [
1554                 int level = SOL_IP;
1555         ], [
1556                 # Yes, we have it...
1557                 AC_MSG_RESULT(yes)
1558                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1559         ], [
1560                 # We'll have to use getprotobyname
1561                 AC_MSG_RESULT(no)
1562         ])
1563
1564         dnl *****************************
1565         dnl *** Checks for SOL_IPV6     ***
1566         dnl *****************************
1567         AC_MSG_CHECKING(for SOL_IPV6)
1568         AC_TRY_COMPILE([#include <netdb.h>], [
1569                 int level = SOL_IPV6;
1570         ], [
1571                 # Yes, we have it...
1572                 AC_MSG_RESULT(yes)
1573                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1574         ], [
1575                 # We'll have to use getprotobyname
1576                 AC_MSG_RESULT(no)
1577         ])
1578
1579         dnl *****************************
1580         dnl *** Checks for SOL_TCP    ***
1581         dnl *****************************
1582         AC_MSG_CHECKING(for SOL_TCP)
1583         AC_TRY_COMPILE([#include <netdb.h>], [
1584                 int level = SOL_TCP;
1585         ], [
1586                 # Yes, we have it...
1587                 AC_MSG_RESULT(yes)
1588                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1589         ], [
1590                 # We'll have to use getprotobyname
1591                 AC_MSG_RESULT(no)
1592         ])
1593
1594         dnl *****************************
1595         dnl *** Checks for IP_PKTINFO ***
1596         dnl *****************************
1597         AC_MSG_CHECKING(for IP_PKTINFO)
1598         AC_TRY_COMPILE([#include <linux/in.h>], [
1599                 int level = IP_PKTINFO;
1600         ], [
1601                 # Yes, we have it...
1602                 AC_MSG_RESULT(yes)
1603                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1604         ], [
1605                 AC_MSG_RESULT(no)
1606         ])
1607
1608         dnl *****************************
1609         dnl *** Checks for IPV6_PKTINFO ***
1610         dnl *****************************
1611         AC_MSG_CHECKING(for IPV6_PKTINFO)
1612         AC_TRY_COMPILE([#include <netdb.h>], [
1613                 int level = IPV6_PKTINFO;
1614         ], [
1615                 # Yes, we have it...
1616                 AC_MSG_RESULT(yes)
1617                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1618         ], [
1619                 AC_MSG_RESULT(no)
1620         ])
1621
1622         dnl **********************************
1623         dnl *** Checks for IP_DONTFRAG     ***
1624         dnl **********************************
1625         AC_MSG_CHECKING(for IP_DONTFRAG)
1626         AC_TRY_COMPILE([#include <netinet/in.h>], [
1627                 int level = IP_DONTFRAG;
1628         ], [
1629                 # Yes, we have it...
1630                 AC_MSG_RESULT(yes)
1631                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1632         ], [
1633                 AC_MSG_RESULT(no)
1634         ])
1635
1636         dnl **********************************
1637         dnl *** Checks for IP_DONTFRAGMENT ***
1638         dnl **********************************
1639         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1640         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1641                 int level = IP_DONTFRAGMENT;
1642         ], [
1643                 # Yes, we have it...
1644                 AC_MSG_RESULT(yes)
1645                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1646         ], [
1647                 AC_MSG_RESULT(no)
1648         ])
1649
1650         dnl **********************************
1651         dnl *** Checks for IP_MTU_DISCOVER ***
1652         dnl **********************************
1653         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1654         AC_TRY_COMPILE([#include <linux/in.h>], [
1655                 int level = IP_MTU_DISCOVER;
1656         ], [
1657                 # Yes, we have it...
1658                 AC_MSG_RESULT(yes)
1659                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1660         ], [
1661                 AC_MSG_RESULT(no)
1662         ])
1663
1664         dnl **********************************
1665         dnl *** Checks for  IP_PMTUDISC_DO ***
1666         dnl **********************************
1667         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1668         AC_TRY_COMPILE([#include <linux/in.h>], [
1669                 int level = IP_PMTUDISC_DO;
1670         ], [
1671                 # Yes, we have it...
1672                 AC_MSG_RESULT(yes)
1673                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1674         ], [
1675                 AC_MSG_RESULT(no)
1676         ])
1677
1678         dnl *********************************
1679         dnl *** Check for struct ip_mreqn ***
1680         dnl *********************************
1681         AC_MSG_CHECKING(for struct ip_mreqn)
1682         AC_TRY_COMPILE([#include <netinet/in.h>], [
1683                 struct ip_mreqn mreq;
1684                 mreq.imr_address.s_addr = 0;
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1689         ], [
1690                 # We'll just have to try and use struct ip_mreq
1691                 AC_MSG_RESULT(no)
1692                 AC_MSG_CHECKING(for struct ip_mreq)
1693                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1694                         struct ip_mreq mreq;
1695                         mreq.imr_interface.s_addr = 0;
1696                 ], [
1697                         # Yes, we have it...
1698                         AC_MSG_RESULT(yes)
1699                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1700                 ], [
1701                         # No multicast support
1702                         AC_MSG_RESULT(no)
1703                 ])
1704         ])
1705
1706         dnl **********************************
1707         dnl *** Check for getaddrinfo ***
1708         dnl **********************************
1709         AC_MSG_CHECKING(for getaddrinfo)
1710                 AC_TRY_LINK([
1711                 #include <stdio.h>
1712                 #include <netdb.h>
1713         ], [
1714                 getaddrinfo(NULL,NULL,NULL,NULL);
1715         ], [
1716                 # Yes, we have it...
1717                 AC_MSG_RESULT(yes)
1718                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1719         ], [
1720                 AC_MSG_RESULT(no)
1721         ])
1722
1723         dnl **********************************
1724         dnl *** Check for gethostbyname2_r ***
1725         dnl **********************************
1726         AC_MSG_CHECKING(for gethostbyname2_r)
1727                 AC_TRY_LINK([
1728                 #include <stdio.h>
1729                 #include <netdb.h>
1730         ], [
1731
1732                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1733         ], [
1734                 # Yes, we have it...
1735                 AC_MSG_RESULT(yes)
1736                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1737         ], [
1738                 AC_MSG_RESULT(no)
1739         ])
1740
1741         dnl **********************************
1742         dnl *** Check for gethostbyname2 ***
1743         dnl **********************************
1744         AC_MSG_CHECKING(for gethostbyname2)
1745                 AC_TRY_LINK([
1746                 #include <stdio.h>
1747                 #include <netdb.h>
1748         ], [
1749                 gethostbyname2(NULL,0);
1750         ], [
1751                 # Yes, we have it...
1752                 AC_MSG_RESULT(yes)
1753                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1754         ], [
1755                 AC_MSG_RESULT(no)
1756         ])
1757
1758         dnl **********************************
1759         dnl *** Check for gethostbyname ***
1760         dnl **********************************
1761         AC_MSG_CHECKING(for gethostbyname)
1762                 AC_TRY_LINK([
1763                 #include <stdio.h>
1764                 #include <netdb.h>
1765         ], [
1766                 gethostbyname(NULL);
1767         ], [
1768                 # Yes, we have it...
1769                 AC_MSG_RESULT(yes)
1770                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1771         ], [
1772                 AC_MSG_RESULT(no)
1773         ])
1774
1775         dnl **********************************
1776         dnl *** Check for getprotobyname ***
1777         dnl **********************************
1778         AC_MSG_CHECKING(for getprotobyname)
1779                 AC_TRY_LINK([
1780                 #include <stdio.h>
1781                 #include <netdb.h>
1782         ], [
1783                 getprotobyname(NULL);
1784         ], [
1785                 # Yes, we have it...
1786                 AC_MSG_RESULT(yes)
1787                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1788         ], [
1789                 AC_MSG_RESULT(no)
1790         ])
1791
1792         dnl **********************************
1793         dnl *** Check for getnameinfo ***
1794         dnl **********************************
1795         AC_MSG_CHECKING(for getnameinfo)
1796                 AC_TRY_LINK([
1797                 #include <stdio.h>
1798                 #include <netdb.h>
1799         ], [
1800                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1801         ], [
1802                 # Yes, we have it...
1803                 AC_MSG_RESULT(yes)
1804                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1805         ], [
1806                 AC_MSG_RESULT(no)
1807         ])
1808
1809
1810         dnl **********************************
1811         dnl *** Check for inet_ntop ***
1812         dnl **********************************
1813         AC_MSG_CHECKING(for inet_ntop)
1814                 AC_TRY_LINK([
1815                 #include <stdio.h>
1816                 #include <arpa/inet.h>
1817         ], [
1818                 inet_ntop (0, NULL, NULL, 0);
1819         ], [
1820                 # Yes, we have it...
1821                 AC_MSG_RESULT(yes)
1822                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1823         ], [
1824                 AC_MSG_RESULT(no)
1825         ])
1826
1827         dnl *****************************
1828         dnl *** Checks for libnsl     ***
1829         dnl *****************************
1830         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1831
1832         AC_CHECK_FUNCS(inet_pton inet_aton)
1833
1834         dnl *****************************
1835         dnl *** Checks for libxnet    ***
1836         dnl *****************************
1837         case "${host}" in
1838                 *solaris* )
1839                         AC_MSG_CHECKING(for Solaris XPG4 support)
1840                         if test -f /usr/lib/libxnet.so; then
1841                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1842                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1843                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1844                                 LIBS="$LIBS -lxnet"
1845                                 AC_MSG_RESULT(yes)
1846                         else
1847                                 AC_MSG_RESULT(no)
1848                         fi
1849
1850                         if test "$GCC" = "yes"; then
1851                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1852                         fi
1853                 ;;
1854         esac
1855
1856         dnl *****************************
1857         dnl *** Checks for libpthread ***
1858         dnl *****************************
1859 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1860 # and libpthread does not exist
1861 #
1862         case "${host}" in
1863                 *-*-*freebsd*)
1864                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1865                 ;;
1866                 *-*-*openbsd*)
1867                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1868                 ;;
1869                 *)
1870                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1871                 ;;
1872         esac
1873         AC_CHECK_HEADERS(pthread.h)
1874         AC_CHECK_HEADERS(pthread_np.h)
1875         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1876         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1877         AC_CHECK_FUNCS(pthread_kill)
1878         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1879         AC_TRY_COMPILE([ #include <pthread.h>], [
1880                 pthread_mutexattr_t attr;
1881                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1882         ], [
1883                 AC_MSG_RESULT(ok)
1884         ], [
1885                 AC_MSG_RESULT(no)
1886                 AC_ERROR(Posix system lacks support for recursive mutexes)
1887         ])
1888         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1889         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1890         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1891
1892         dnl **********************************
1893         dnl *** Check for mincore ***
1894         dnl **********************************
1895         AC_MSG_CHECKING(for mincore)
1896                 AC_TRY_LINK([
1897                 #include <stdio.h>
1898                 #include <sys/types.h>
1899                 #include <sys/mman.h>
1900         ], [
1901                 mincore(NULL, 0, NULL);
1902         ], [
1903                 # Yes, we have it...
1904                 AC_MSG_RESULT(yes)
1905                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1906         ], [
1907                 AC_MSG_RESULT(no)
1908         ])
1909
1910         dnl ***********************************
1911         dnl *** Checks for working __thread ***
1912         dnl ***********************************
1913         AC_MSG_CHECKING(for working __thread)
1914         if test "x$with_tls" != "x__thread"; then
1915                 AC_MSG_RESULT(disabled)
1916         elif test "x$cross_compiling" = "xyes"; then
1917                 AC_MSG_RESULT(cross compiling, assuming yes)
1918         else
1919                 AC_TRY_RUN([
1920                         #if defined(__APPLE__) && defined(__clang__)
1921                         #error "__thread does not currently work with clang on Mac OS X"
1922                         #endif
1923
1924                         #include <pthread.h>
1925                         __thread int i;
1926                         static int res1, res2;
1927
1928                         void thread_main (void *arg)
1929                         {
1930                                 i = arg;
1931                                 sleep (1);
1932                                 if (arg == 1)
1933                                         res1 = (i == arg);
1934                                 else
1935                                         res2 = (i == arg);
1936                         }
1937
1938                         int main () {
1939                                 pthread_t t1, t2;
1940
1941                                 i = 5;
1942
1943                                 pthread_create (&t1, NULL, thread_main, 1);
1944                                 pthread_create (&t2, NULL, thread_main, 2);
1945
1946                                 pthread_join (t1, NULL);
1947                                 pthread_join (t2, NULL);
1948
1949                                 return !(res1 + res2 == 2);
1950                         }
1951                 ], [
1952                                 AC_MSG_RESULT(yes)
1953                 ], [
1954                                 AC_MSG_RESULT(no)
1955                                 with_tls=pthread
1956                 ])
1957         fi
1958
1959         dnl **************************************
1960         dnl *** Checks for working sigaltstack ***
1961         dnl **************************************
1962         AC_MSG_CHECKING(for working sigaltstack)
1963         if test "x$with_sigaltstack" != "xyes"; then
1964                 AC_MSG_RESULT(disabled)
1965         elif test "x$cross_compiling" = "xyes"; then
1966                 AC_MSG_RESULT(cross compiling, assuming yes)
1967         else
1968                 AC_TRY_RUN([
1969                         #include <stdio.h>
1970                         #include <stdlib.h>
1971                         #include <unistd.h>
1972                         #include <signal.h>
1973                         #include <pthread.h>
1974                         #include <sys/wait.h>
1975                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1976                         #define SA_STACK SA_ONSTACK
1977                         #endif
1978                         static void
1979                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1980                         {
1981                                 exit (0);
1982                         }
1983
1984                         volatile char*__ptr = NULL;
1985                         static void *
1986                         loop (void *ignored)
1987                         {
1988                                 *__ptr = 0;
1989                                 return NULL;
1990                         }
1991
1992                         static void
1993                         child ()
1994                         {
1995                                 struct sigaction sa;
1996                         #ifdef __APPLE__
1997                                 stack_t sas;
1998                         #else
1999                                 struct sigaltstack sas;
2000                         #endif
2001                                 pthread_t id;
2002                                 pthread_attr_t attr;
2003
2004                                 sa.sa_sigaction = sigsegv_signal_handler;
2005                                 sigemptyset (&sa.sa_mask);
2006                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2007                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2008                                         perror ("sigaction");
2009                                         return;
2010                                 }
2011
2012                                 /* x86 darwin deliver segfaults using SIGBUS */
2013                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2014                                         perror ("sigaction");
2015                                         return;
2016                                 }
2017                                 sas.ss_sp = malloc (SIGSTKSZ);
2018                                 sas.ss_size = SIGSTKSZ;
2019                                 sas.ss_flags = 0;
2020                                 if (sigaltstack (&sas, NULL) == -1) {
2021                                         perror ("sigaltstack");
2022                                         return;
2023                                 }
2024
2025                                 pthread_attr_init (&attr);
2026                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2027                                         printf ("pthread_create\n");
2028                                         return;
2029                                 }
2030
2031                                 sleep (100);
2032                         }
2033
2034                         int
2035                         main ()
2036                         {
2037                                 pid_t son;
2038                                 int status;
2039                                 int i;
2040
2041                                 son = fork ();
2042                                 if (son == -1) {
2043                                         return 1;
2044                                 }
2045
2046                                 if (son == 0) {
2047                                         child ();
2048                                         return 0;
2049                                 }
2050
2051                                 for (i = 0; i < 300; ++i) {
2052                                         waitpid (son, &status, WNOHANG);
2053                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2054                                                 return 0;
2055                                         usleep (10000);
2056                                 }
2057
2058                                 kill (son, SIGKILL);
2059                                 return 1;
2060                         }
2061
2062                 ], [
2063                                 AC_MSG_RESULT(yes)
2064                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2065                 ], [
2066                                 with_sigaltstack=no
2067                                 AC_MSG_RESULT(no)
2068                 ])
2069         fi
2070
2071         dnl ********************************
2072         dnl *** Checks for semaphore lib ***
2073         dnl ********************************
2074         # 'Real Time' functions on Solaris
2075         # posix4 on Solaris 2.6
2076         # pthread (first!) on Linux
2077         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2078
2079         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2080         AC_CHECK_FUNCS(shm_open)
2081
2082         dnl ********************************
2083         dnl *** Checks for timezone stuff **
2084         dnl ********************************
2085         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2086                 AC_TRY_COMPILE([
2087                         #include <time.h>
2088                         ], [
2089                         struct tm tm;
2090                         tm.tm_gmtoff = 1;
2091                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2092         if test $ac_cv_struct_tm_gmtoff = yes; then
2093                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2094         else
2095                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2096                         AC_TRY_COMPILE([
2097                                 #include <time.h>
2098                         ], [
2099                                 timezone = 1;
2100                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2101                 if test $ac_cv_var_timezone = yes; then
2102                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2103                 else
2104                         AC_ERROR(unable to find a way to determine timezone)
2105                 fi
2106         fi
2107
2108         dnl *********************************
2109         dnl *** Checks for math functions ***
2110         dnl *********************************
2111         AC_SEARCH_LIBS(sqrtf, m)
2112         if test "x$has_broken_apple_cpp" != "xyes"; then
2113                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2114                         AC_TRY_LINK([#include <math.h>],
2115                         [ finite(0.0); ],
2116                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2117                         AC_MSG_RESULT(no)))
2118         fi
2119         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2120                 AC_TRY_LINK([#include <math.h>],
2121                 [ isfinite(0.0); ],
2122                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2123                 AC_MSG_RESULT(no)))
2124
2125         dnl ****************************************************************
2126         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2127         dnl *** have it in the library (duh))                            ***
2128         dnl ****************************************************************
2129         AC_CHECK_FUNCS(poll)
2130
2131         dnl *************************
2132         dnl *** Check for signbit ***
2133         dnl *************************
2134         AC_MSG_CHECKING(for signbit)
2135         AC_TRY_LINK([#include <math.h>], [
2136                 int s = signbit(1.0);
2137         ], [
2138                 AC_MSG_RESULT(yes)
2139                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2140         ], [
2141                 AC_MSG_RESULT(no)
2142         ])
2143
2144         dnl **********************************
2145         dnl *** epoll                      ***
2146         dnl **********************************
2147         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2148                 AC_CHECK_HEADERS(sys/epoll.h)
2149                 haveepoll=no
2150                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2151                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2152                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2153                 fi
2154         fi
2155
2156         havekqueue=no
2157
2158         AC_CHECK_HEADERS(sys/event.h)
2159         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2160
2161         dnl **************************************
2162         dnl * Darwin has a race that prevents us from using reliably:
2163         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2164         dnl * Since kqueue is mostly used for scaling large web servers,
2165         dnl * and very few folks run Mono on large web servers on OSX, falling
2166         dnl * back
2167         dnl **************************************
2168         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2169                 if test "x$host_darwin" = "xno"; then
2170                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2171                 fi
2172         fi
2173
2174         dnl ******************************
2175         dnl *** Checks for SIOCGIFCONF ***
2176         dnl ******************************
2177         AC_CHECK_HEADERS(sys/ioctl.h)
2178         AC_CHECK_HEADERS(net/if.h, [], [],
2179            [
2180            #ifdef HAVE_SYS_TYPES_H
2181            # include <sys/types.h>
2182            #endif
2183            #ifdef HAVE_SYS_SOCKET_H
2184            # include <sys/socket.h>
2185            #endif
2186            ])
2187         AC_MSG_CHECKING(for ifreq)
2188         AC_TRY_COMPILE([
2189                 #include <stdio.h>
2190                 #include <sys/ioctl.h>
2191                 #include <net/if.h>
2192                 ], [
2193                 struct ifconf ifc;
2194                 struct ifreq *ifr;
2195                 void *x;
2196                 ifc.ifc_len = 0;
2197                 ifc.ifc_buf = NULL;
2198                 x = (void *) &ifr->ifr_addr;
2199                 ],[
2200                         AC_MSG_RESULT(yes)
2201                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2202                 ], [
2203                         AC_MSG_RESULT(no)
2204                 ])
2205         dnl **********************************
2206         dnl ***     Checks for sin_len     ***
2207         dnl **********************************
2208         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2209         AC_TRY_COMPILE([
2210                 #include <netinet/in.h>
2211                 ], [
2212                 struct sockaddr_in saddr;
2213                 saddr.sin_len = sizeof (saddr);
2214                 ],[
2215                         AC_MSG_RESULT(yes)
2216                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2217                 ], [
2218                         AC_MSG_RESULT(no)
2219                 ])
2220         dnl **********************************
2221         dnl ***    Checks for sin6_len     ***
2222         dnl **********************************
2223         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2224         AC_TRY_COMPILE([
2225                 #include <netinet/in.h>
2226                 ], [
2227                 struct sockaddr_in6 saddr6;
2228                 saddr6.sin6_len = sizeof (saddr6);
2229                 ],[
2230                         AC_MSG_RESULT(yes)
2231                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2232                 ], [
2233                         AC_MSG_RESULT(no)
2234                 ])
2235         dnl **********************************
2236         dnl *** Check for getifaddrs       ***
2237         dnl **********************************
2238         AC_MSG_CHECKING(for getifaddrs)
2239                 AC_TRY_LINK([
2240                 #include <stdio.h>
2241                 #include <sys/types.h>
2242                 #include <sys/socket.h>
2243                 #include <ifaddrs.h>
2244         ], [
2245                 getifaddrs(NULL);
2246         ], [
2247                 # Yes, we have it...
2248                 AC_MSG_RESULT(yes)
2249                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2250         ], [
2251                 AC_MSG_RESULT(no)
2252         ])
2253         dnl **********************************
2254         dnl *** Check for if_nametoindex   ***
2255         dnl **********************************
2256         AC_MSG_CHECKING(for if_nametoindex)
2257                 AC_TRY_LINK([
2258                 #include <stdio.h>
2259                 #include <sys/types.h>
2260                 #include <sys/socket.h>
2261                 #include <net/if.h>
2262         ], [
2263                 if_nametoindex(NULL);
2264         ], [
2265                 # Yes, we have it...
2266                 AC_MSG_RESULT(yes)
2267                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2268         ], [
2269                 AC_MSG_RESULT(no)
2270         ])
2271
2272         dnl **********************************
2273         dnl *** Checks for MonoPosixHelper ***
2274         dnl **********************************
2275         AC_CHECK_HEADERS(checklist.h)
2276         AC_CHECK_HEADERS(pathconf.h)
2277         AC_CHECK_HEADERS(fstab.h)
2278         AC_CHECK_HEADERS(attr/xattr.h)
2279         AC_CHECK_HEADERS(sys/extattr.h)
2280         AC_CHECK_HEADERS(sys/sendfile.h)
2281         AC_CHECK_HEADERS(sys/statvfs.h)
2282         AC_CHECK_HEADERS(sys/statfs.h)
2283         AC_CHECK_HEADERS(sys/vfstab.h)
2284         AC_CHECK_HEADERS(sys/xattr.h)
2285         AC_CHECK_HEADERS(sys/mman.h)
2286         AC_CHECK_HEADERS(sys/param.h)
2287         AC_CHECK_HEADERS(sys/mount.h, [], [],
2288                 [
2289                 #ifdef HAVE_SYS_PARAM_H
2290                 # include <sys/param.h>
2291                 #endif
2292                 ])
2293         AC_CHECK_HEADERS(sys/mount.h)
2294         AC_CHECK_FUNCS(confstr)
2295         AC_CHECK_FUNCS(seekdir telldir)
2296         AC_CHECK_FUNCS(getdomainname)
2297         AC_CHECK_FUNCS(setdomainname)
2298         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2299         AC_CHECK_FUNCS(setgroups)
2300         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2301         AC_CHECK_FUNCS(getfsstat)
2302         AC_CHECK_FUNCS(lutimes futimes)
2303         AC_CHECK_FUNCS(mremap)
2304         AC_CHECK_FUNCS(remap_file_pages)
2305         AC_CHECK_FUNCS(posix_fadvise)
2306         AC_CHECK_FUNCS(posix_fallocate)
2307         AC_CHECK_FUNCS(posix_madvise)
2308         AC_CHECK_FUNCS(vsnprintf)
2309         AC_CHECK_FUNCS(sendfile)
2310         AC_CHECK_FUNCS(gethostid sethostid)
2311         AC_CHECK_FUNCS(sethostname)
2312         AC_CHECK_FUNCS(statfs)
2313         AC_CHECK_FUNCS(fstatfs)
2314         AC_CHECK_FUNCS(statvfs)
2315         AC_CHECK_FUNCS(fstatvfs)
2316         AC_CHECK_FUNCS(stime)
2317         AC_CHECK_FUNCS(strerror_r)
2318         AC_CHECK_FUNCS(ttyname_r)
2319         AC_CHECK_FUNCS(psignal)
2320         AC_CHECK_FUNCS(getlogin_r)
2321         AC_CHECK_FUNCS(lockf)
2322         AC_CHECK_FUNCS(swab)
2323         AC_CHECK_FUNCS(setusershell endusershell)
2324         AC_CHECK_FUNCS(futimens utimensat)
2325         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2326         AC_CHECK_FUNCS(readv writev preadv pwritev)
2327         AC_CHECK_FUNCS(setpgid)
2328         AC_CHECK_FUNCS(system)
2329         AC_CHECK_FUNCS(fork execv execve)
2330         AC_CHECK_FUNCS(accept4)
2331         AC_CHECK_SIZEOF(size_t)
2332         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2333                 [#include <sys/types.h>
2334                  #include <sys/stat.h>
2335                  #include <unistd.h>])
2336         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2337                 [#include <sys/types.h>
2338                  #include <sys/stat.h>
2339                  #include <unistd.h>])
2340         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2341                 [#include <sys/time.h>])
2342         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2343                 [#include <sys/socket.h>])
2344         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2345                 [#include <unistd.h>
2346                  #include <fcntl.h>])
2347         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2348                 [#include <sys/uio.h>])
2349         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2350                 [#include <sys/socket.h>])
2351         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2352                 [#include <sys/poll.h>])
2353         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2354                 [#include <sys/socket.h>])
2355         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2356                 [#include <sys/socket.h>])
2357         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2358                 [#include <netinet/in.h>])
2359         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2360                 [#include <netinet/in.h>])
2361         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2362                 [#include <sys/un.h>])
2363         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2364                 [#include <sys/types.h>
2365                  #include <sys/stat.h>
2366                  #include <unistd.h>])
2367         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2368                 [#include <time.h>])
2369         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2370                 [#include <sys/time.h>
2371                  #include <sys/types.h>
2372                  #include <utime.h>])
2373         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2374                 [#include <sys/time.h>])
2375         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2376                 [#include <sys/types.h>
2377                  #include <utime.h>])
2378         AC_CHECK_MEMBERS(
2379                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2380                 [#include <sys/types.h>
2381                  #include <dirent.h>])
2382         AC_CHECK_MEMBERS(
2383                 [struct passwd.pw_gecos],,,
2384                 [#include <sys/types.h>
2385                  #include <pwd.h>])
2386         AC_CHECK_MEMBERS(
2387                 [struct statfs.f_flags],,,
2388                 [#include <sys/types.h>
2389                  #include <sys/vfs.h>])
2390         AC_CHECK_MEMBERS(
2391                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2392                 [#include <sys/types.h>
2393                  #include <sys/stat.h>
2394                  #include <unistd.h>])
2395
2396         dnl Favour xattr through glibc, but use libattr if we have to
2397         AC_CHECK_FUNC(lsetxattr, ,
2398                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2399         )
2400         AC_SUBST(XATTR_LIB)
2401
2402         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2403         AC_CHECK_MEMBERS(
2404                 [struct kinfo_proc.kp_proc],,,
2405                 [#include <sys/types.h>
2406                  #include <sys/param.h>
2407                  #include <sys/sysctl.h>
2408                  #include <sys/proc.h>
2409                  ])
2410
2411         dnl *********************************
2412         dnl *** Checks for Windows compilation ***
2413         dnl *********************************
2414         AC_CHECK_HEADERS(sys/time.h)
2415         AC_CHECK_HEADERS(sys/param.h)
2416         AC_CHECK_HEADERS(dirent.h)
2417
2418         dnl ******************************************
2419         dnl *** Checks for OSX and iOS compilation ***
2420         dnl ******************************************
2421         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2422
2423         dnl *********************************
2424         dnl *** Check for Console 2.0 I/O ***
2425         dnl *********************************
2426         AC_CHECK_HEADERS([curses.h])
2427         AC_CHECK_HEADERS([term.h], [], [],
2428         [#if HAVE_CURSES_H
2429          #include <curses.h>
2430          #endif
2431         ])
2432         AC_CHECK_HEADERS([termios.h])
2433 else
2434         dnl *********************************
2435         dnl *** Checks for Windows compilation ***
2436         dnl *********************************
2437         AC_CHECK_HEADERS(winternl.h)
2438
2439         jdk_headers_found=no
2440         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2441         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2442         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2443         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2444         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2445         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2446         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2447
2448         dnl *********************************
2449         dnl *** Check for struct ip_mreqn ***
2450         dnl *********************************
2451         AC_MSG_CHECKING(for struct ip_mreqn)
2452         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2453                 struct ip_mreqn mreq;
2454                 mreq.imr_address.s_addr = 0;
2455         ], [
2456                 # Yes, we have it...
2457                 AC_MSG_RESULT(yes)
2458                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2459         ], [
2460                 # We'll just have to try and use struct ip_mreq
2461                 AC_MSG_RESULT(no)
2462                 AC_MSG_CHECKING(for struct ip_mreq)
2463                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2464                         struct ip_mreq mreq;
2465                         mreq.imr_interface.s_addr = 0;
2466                 ], [
2467                         # Yes, we have it...
2468                         AC_MSG_RESULT(yes)
2469                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2470                 ], [
2471                         # No multicast support
2472                         AC_MSG_RESULT(no)
2473                 ])
2474         ])
2475
2476         dnl **********************************
2477         dnl *** Check for getaddrinfo ***
2478         dnl **********************************
2479         AC_MSG_CHECKING(for getaddrinfo)
2480                 AC_TRY_LINK([
2481                 #include <stdio.h>
2482                 #include <winsock2.h>
2483                 #include <ws2tcpip.h>
2484         ], [
2485                 getaddrinfo(NULL,NULL,NULL,NULL);
2486         ], [
2487                 # Yes, we have it...
2488                 AC_MSG_RESULT(yes)
2489                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2490         ], [
2491                 AC_MSG_RESULT(no)
2492         ])
2493
2494         dnl **********************************
2495         dnl *** Check for gethostbyname ***
2496         dnl **********************************
2497         AC_MSG_CHECKING(for gethostbyname)
2498                 AC_TRY_LINK([
2499                 #include <stdio.h>
2500                 #include <winsock2.h>
2501                 #include <ws2tcpip.h>
2502         ], [
2503                 gethostbyname(NULL);
2504         ], [
2505                 # Yes, we have it...
2506                 AC_MSG_RESULT(yes)
2507                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2508         ], [
2509                 AC_MSG_RESULT(no)
2510         ])
2511
2512         dnl **********************************
2513         dnl *** Check for getprotobyname ***
2514         dnl **********************************
2515         AC_MSG_CHECKING(for getprotobyname)
2516                 AC_TRY_LINK([
2517                 #include <stdio.h>
2518                 #include <winsock2.h>
2519                 #include <ws2tcpip.h>
2520         ], [
2521                 getprotobyname(NULL);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for getnameinfo ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for getnameinfo)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2540         ], [
2541                 # Yes, we have it...
2542                 AC_MSG_RESULT(yes)
2543                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2544         ], [
2545                 AC_MSG_RESULT(no)
2546         ])
2547
2548         dnl **********************************
2549         dnl *** Check for inet_ntop ***
2550         dnl **********************************
2551         AC_MSG_CHECKING(for inet_ntop)
2552                 AC_TRY_LINK([
2553                 #include <stdio.h>
2554                 #include <winsock2.h>
2555                 #include <ws2tcpip.h>
2556         ], [
2557                 inet_ntop (0, NULL, NULL, 0);
2558         ], [
2559                 # Yes, we have it...
2560                 AC_MSG_RESULT(yes)
2561                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2562         ], [
2563                 AC_MSG_RESULT(no)
2564         ])
2565
2566         dnl **********************************
2567         dnl *** Check for inet_pton ***
2568         dnl **********************************
2569         AC_MSG_CHECKING(for inet_pton)
2570                 AC_TRY_LINK([
2571                 #include <stdio.h>
2572                 #include <winsock2.h>
2573                 #include <ws2tcpip.h>
2574         ], [
2575                 #ifndef inet_pton
2576                 (void) inet_pton;
2577                 #endif
2578                 inet_pton (0, NULL, NULL);
2579         ], [
2580                 # Yes, we have it...
2581                 AC_MSG_RESULT(yes)
2582                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2583         ], [
2584                 AC_MSG_RESULT(no)
2585         ])
2586
2587         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2588         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2589         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2590         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2591         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2592         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2593         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2594 fi
2595
2596 dnl socklen_t check
2597 AC_MSG_CHECKING(for socklen_t)
2598 AC_TRY_COMPILE([
2599 #include <sys/types.h>
2600 #include <sys/socket.h>
2601 ],[
2602   socklen_t foo;
2603 ],[
2604 ac_cv_c_socklen_t=yes
2605         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2606         AC_MSG_RESULT(yes)
2607 ],[
2608         AC_MSG_RESULT(no)
2609 ])
2610
2611 AC_MSG_CHECKING(for array element initializer support)
2612 AC_TRY_COMPILE([#include <sys/socket.h>], [
2613         const int array[] = {[1] = 2,};
2614 ], [
2615         # Yes, we have it...
2616         AC_MSG_RESULT(yes)
2617         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2618 ], [
2619         # We'll have to use signals
2620         AC_MSG_RESULT(no)
2621 ])
2622
2623 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2624         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2625         AC_TRY_LINK([#include <math.h>],
2626         [ static void *p = &trunc; ],
2627         [
2628                 AC_DEFINE(HAVE_TRUNC)
2629                 AC_MSG_RESULT(yes)
2630                 ac_cv_trunc=yes
2631         ],
2632         AC_MSG_RESULT(no)))
2633
2634 if test "x$ac_cv_truncl" != "xyes"; then
2635    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2636 fi
2637
2638 AC_CHECK_FUNCS(execvp)
2639
2640 dnl ****************************
2641 dnl *** Look for /dev/random ***
2642 dnl ****************************
2643
2644 AC_MSG_CHECKING([if usage of random device is requested])
2645 AC_ARG_ENABLE(dev-random,
2646 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2647 try_dev_random=$enableval, try_dev_random=yes)
2648
2649 AC_MSG_RESULT($try_dev_random)
2650
2651 case "{$build}" in
2652     *-openbsd*)
2653     NAME_DEV_RANDOM="/dev/srandom"
2654     ;;
2655
2656 dnl Win32 does not have /dev/random, they have their own method...
2657
2658     *-mingw*|*-*-cygwin*)
2659     ac_cv_have_dev_random=no
2660     ;;
2661
2662 dnl Everywhere else, it's /dev/random
2663
2664     *)
2665     NAME_DEV_RANDOM="/dev/random"
2666     ;;
2667 esac
2668
2669 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2670
2671 dnl Now check if the device actually exists
2672
2673 if test "x$try_dev_random" = "xyes"; then
2674     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2675     [if test -r "$NAME_DEV_RANDOM" ; then
2676         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2677     if test "x$ac_cv_have_dev_random" = "xyes"; then
2678         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2679     fi
2680 else
2681     AC_MSG_CHECKING(for random device)
2682     ac_cv_have_dev_random=no
2683     AC_MSG_RESULT(has been disabled)
2684 fi
2685
2686 if test "x$host_win32" = "xyes"; then
2687     AC_DEFINE(HAVE_CRYPT_RNG)
2688 fi
2689
2690 if test "x$ac_cv_have_dev_random" = "xno" \
2691     && test "x$host_win32" = "xno"; then
2692     AC_MSG_WARN([[
2693 ***
2694 *** A system-provided entropy source was not found on this system.
2695 *** Because of this, the System.Security.Cryptography random number generator
2696 *** will throw a NotImplemented exception.
2697 ***
2698 *** If you are seeing this message, and you know your system DOES have an
2699 *** entropy collection in place, please contact <crichton@gimp.org> and
2700 *** provide information about the system and how to access the random device.
2701 ***
2702 *** Otherwise you can install either egd or prngd and set the environment
2703 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2704 ***]])
2705 fi
2706
2707 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2708
2709 AC_MSG_CHECKING([if big-arrays are to be enabled])
2710 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2711 if test "x$enable_big_arrays" = "xyes" ; then
2712     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2713         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2714     else
2715         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2716     fi
2717 fi
2718 AC_MSG_RESULT($enable_big_arrays)
2719
2720 dnl **************
2721 dnl *** DTRACE ***
2722 dnl **************
2723
2724 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2725
2726 if test "x$enable_dtrace" = "xyes"; then
2727    if test "x$has_dtrace" = "xno"; then
2728           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2729    fi
2730    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2731    if test "x$DTRACE" = "xno"; then
2732           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2733           enable_dtrace=no
2734    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2735           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2736           enable_dtrace=no
2737    fi
2738 fi
2739
2740 dtrace_g=no
2741 if test "x$enable_dtrace" = "xyes"; then
2742         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2743         DTRACEFLAGS=
2744         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2745                 case "$host" in
2746                         powerpc-*-darwin*)
2747                         DTRACEFLAGS="-arch ppc64"
2748                         ;;
2749                         i*86-*-darwin*)
2750                         DTRACEFLAGS="-arch x86_64"
2751                         ;;
2752                         *)
2753                         DTRACEFLAGS=-64
2754                         ;;
2755                 esac
2756         else
2757                 case "$host" in
2758                         powerpc-*-darwin*)
2759                         DTRACEFLAGS="-arch ppc"
2760                         ;;
2761                         i*86-*-darwin*)
2762                         DTRACEFLAGS="-arch i386"
2763                         ;;
2764                         *)
2765                         DTRACEFLAGS=-32
2766                         ;;
2767                 esac
2768         fi
2769         AC_SUBST(DTRACEFLAGS)
2770         case "$host" in
2771                 *-*-solaris*)
2772                 dtrace_g=yes
2773                 ;;
2774         esac
2775         AC_CHECK_HEADERS([sys/sdt.h])
2776 fi
2777 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2778 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2779
2780 dnl **************
2781 dnl ***  NaCl  ***
2782 dnl **************
2783
2784 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2785 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2786
2787 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2788
2789 dnl
2790 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2791 dnl
2792 nacl_self_host=""
2793 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2794    nacl_self_host="nacl_self_host"
2795 fi
2796 AC_SUBST(nacl_self_host)
2797
2798 if test "x$enable_nacl_codegen" = "xyes"; then
2799    MONO_NACL_ALIGN_MASK_OFF=1
2800    AC_DEFINE(TARGET_NACL, 1, [...])
2801    AC_DEFINE(__native_client_codegen__, 1, [...])
2802 fi
2803 if test "x$enable_nacl_gc" = "xyes"; then
2804    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2805       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2806    else
2807       # Not yet implemented
2808       INSTRUMENT_CFLAG=""
2809    fi
2810    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2811 fi
2812 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2813
2814 dnl **************************
2815 dnl *** AOT cross offsets  ***
2816 dnl **************************
2817
2818 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2819     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2820
2821 dnl **************
2822 dnl ***  LLVM  ***
2823 dnl **************
2824
2825 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2826 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2827 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2828 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2829
2830 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2831
2832 if test "x$enable_llvm" = "xdefault"; then
2833    enable_llvm=$enable_llvm_default
2834 fi
2835
2836 if test "x$enable_llvm" = "xyes"; then
2837    if test "x$with_llvm" != "x"; then
2838           LLVM_CONFIG=$with_llvm/bin/llvm-config
2839           if test x$host_win32 = xyes; then
2840                 LLVM_CONFIG=$LLVM_CONFIG.exe
2841           fi
2842           if test ! -x $LLVM_CONFIG; then
2843                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2844       fi
2845    else
2846       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2847       if test "x$LLVM_CONFIG" = "xno"; then
2848              AC_MSG_ERROR([llvm-config not found.])
2849       fi
2850    fi
2851
2852    llvm_codegen="x86codegen"
2853    case "$target" in
2854    arm*)
2855                 llvm_codegen="armcodegen"
2856                 ;;
2857    esac
2858
2859    if test "x$host_win32" = "xno"; then
2860
2861    # Should be something like '2.6' or '2.7svn'
2862    llvm_version=`$LLVM_CONFIG --version`
2863    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2864    AC_MSG_CHECKING(LLVM version)
2865    AC_MSG_RESULT($llvm_version $llvm_api_version)
2866    if echo $llvm_version | grep -q 'mono'; then
2867           if test "x$enable_llvm_version_check" = "xyes"; then
2868                  if test "$llvm_version" != "$expected_llvm_version"; then
2869                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2870                  fi
2871           fi
2872    else
2873           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.])
2874    fi
2875
2876    # The output of --cflags seems to include optimizations flags too
2877    if test $llvm_api_version -gt 100; then
2878           # The --cflags argument includes all kinds of warnings -pendantic etc.
2879           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2880           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2881    else
2882           LLVM_CFLAGS=`$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'`
2883       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2884    fi
2885    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2886    # from LLVM classes.
2887    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2888    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2889    # This might include empty lines
2890    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2891    llvm_jit_supported=yes
2892    llvm_jit_libs="jit mcjit $llvm_codegen"
2893    if test "x$host" != "x$target"; then
2894       # No need for jit libs
2895           llvm_jit_supported=no
2896       llvm_jit_libs=""
2897    elif test $llvm_api_version -gt 100; then
2898       llvm_jit_libs="orcjit $llvm_codegen"
2899    fi
2900    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2901    if test "x$LLVM_LIBS" = "x"; then
2902           echo "$LLVM_CONFIG --libs failed."
2903           exit 1
2904    fi
2905    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2906    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2907    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2908       LLVM_LIBS="$LLVM_LIBS -lc++"
2909    else
2910       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2911    fi
2912
2913    expected_llvm_version="3.4svn-mono-mono/e656cac"
2914
2915    else
2916        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2917        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2918        LLVM_LDFLAGS="-L$with_llvm/lib"
2919        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2920        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2921          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2922          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2923          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2924          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2925          -lLLVMAnalysis -lLLVMTarget \
2926          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2927          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2928          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2929          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2930          -lLLVMSupport -lstdc++"
2931        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2932
2933        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2934        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2935    fi
2936
2937    if test "x$llvm_api_version" = "x"; then
2938           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2939           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2940    else
2941           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2942           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2943    fi
2944
2945    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2946
2947    AC_SUBST(LLVM_CFLAGS)
2948    AC_SUBST(LLVM_CXXFLAGS)
2949    AC_SUBST(LLVM_LIBS)
2950    AC_SUBST(LLVM_LDFLAGS)
2951    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2952 fi
2953
2954 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2955 if test "x$enable_loadedllvm" = "xyes"; then
2956    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2957 fi
2958 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2959
2960 if test "x$enable_llvm" = "xyes"; then
2961    enable_llvm_runtime=yes
2962 fi
2963 if test "x$enable_llvm_runtime" = "xyes"; then
2964    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2965 fi
2966 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2967
2968 TARGET="unknown"
2969 ACCESS_UNALIGNED="yes"
2970
2971 LIBC="libc.so.6"
2972 INTL="libc.so.6"
2973 SQLITE="libsqlite.so.0"
2974 SQLITE3="libsqlite3.so.0"
2975 X11="libX11.so"
2976 GDKX11="libgdk-x11-2.0.so.0"
2977 GTKX11="libgtk-x11-2.0.so.0"
2978 XINERAMA="libXinerama.so.1"
2979
2980 sizeof_register="SIZEOF_VOID_P"
2981
2982 jit_wanted=true
2983 boehm_supported=true
2984 BTLS_SUPPORTED=no
2985 BTLS_PLATFORM=
2986 case "$host" in
2987         mips*)
2988                 TARGET=MIPS;
2989                 arch_target=mips;
2990                 with_tls=pthread;
2991                 ACCESS_UNALIGNED="no"
2992
2993                 AC_MSG_CHECKING(for mips n32)
2994                 AC_TRY_COMPILE([],[
2995                 #if _MIPS_SIM != _ABIN32
2996                 #error Not mips n32
2997                 #endif
2998                 return 0;
2999                 ],[
3000                 AC_MSG_RESULT(yes)
3001                 sizeof_register=8
3002                 ],[
3003                 AC_MSG_RESULT(no)
3004                 ])
3005                 ;;
3006         i*86-*-*)
3007                 TARGET=X86;
3008                 arch_target=x86;
3009                 case $host_os in
3010                   solaris*)
3011                         LIBC="libc.so"
3012                         INTL="libintl.so"
3013                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3014                                 TARGET=AMD64
3015                                 arch_target=amd64
3016                         fi
3017
3018                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3019                         # int astruct __attribute__ ((visibility ("hidden")));
3020                         # void foo ()
3021                         # {
3022                         #       void *p = &astruct;
3023                         # }
3024                         # gcc -fPIC --shared -o libfoo.so foo.c
3025                         # yields:
3026                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3027                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3028                         have_visibility_hidden=no
3029                         ;;
3030                   mingw*|cygwin*)
3031                         have_visibility_hidden=no
3032                         ;;
3033                   haiku*)
3034                         LIBC=libroot.so
3035                         ;;
3036                   linux*)
3037                         AOT_SUPPORTED="yes"
3038                         BTLS_SUPPORTED=yes
3039                         BTLS_PLATFORM=i386
3040                         ;;
3041                   darwin*)
3042                         AOT_SUPPORTED="yes"
3043                         BTLS_SUPPORTED=yes
3044                         BTLS_PLATFORM=i386
3045                         ;;
3046                   openbsd*|freebsd*|kfreebsd-gnu*)
3047                         ;;
3048                 esac
3049                 ;;
3050         x86_64-*-* | amd64-*-*)
3051                 TARGET=AMD64;
3052                 arch_target=amd64;
3053                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3054                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3055                         sizeof_register=8
3056                 fi
3057                 case $host_os in
3058                   linux*)
3059                         AOT_SUPPORTED="yes"
3060                         BTLS_SUPPORTED=yes
3061                         BTLS_PLATFORM=x86_64
3062                         ;;
3063                   darwin*)
3064                         AOT_SUPPORTED="yes"
3065                         BTLS_SUPPORTED=yes
3066                         BTLS_PLATFORM=x86_64
3067                         boehm_supported=false
3068                         ;;
3069                   openbsd*|freebsd*|kfreebsd-gnu*)
3070                         ;;
3071                   mingw*)
3072                         ;;
3073                 esac
3074                 case "$host" in
3075                         x86_64-*-nacl*)
3076                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3077                                 sizeof_register=8
3078                                 ;;
3079                 esac
3080                 ;;
3081         ia64-*-*)
3082                 TARGET=IA64
3083                 arch_target=ia64
3084                 ACCESS_UNALIGNED="no"
3085                 LIBC="libc.so.6.1"
3086                 INTL="libc.so.6.1"
3087                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3088                 libmono_ldflags="-lunwind"
3089                 ;;
3090         sparc*-*-*)
3091                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3092                    TARGET=SPARC64
3093                 else
3094                         TARGET=SPARC
3095                 fi
3096                 arch_target=sparc;
3097                 ACCESS_UNALIGNED="no"
3098                 case $host_os in
3099                   linux*) ;;
3100                   *)
3101                         LIBC="libc.so"
3102                         INTL="libintl.so"
3103                 esac
3104                 if test x"$GCC" = xyes; then
3105                         # We don't support v8 cpus
3106                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3107                 fi
3108                 if test x"$AR" = xfalse; then
3109                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3110                 fi
3111                 ;;
3112         *-mingw*|*-*-cygwin*)
3113                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3114                 have_visibility_hidden=no
3115                 INTL="intl"
3116                 ;;
3117         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3118         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3119                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3120                         TARGET=POWERPC64;
3121                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3122                         CFLAGS="$CFLAGS -mminimal-toc"
3123                 else
3124                         TARGET=POWERPC;
3125                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3126                 fi
3127                 arch_target=ppc;
3128                 case $host_os in
3129                   linux*|darwin*)
3130                         ;;
3131                 esac
3132                 ;;
3133         armv7k-*-darwin*)
3134                 TARGET=ARM;
3135                 TARGET_SYS=WATCHOS
3136                 arch_target=arm;
3137                 arm_fpu=VFP_HARD
3138                 ACCESS_UNALIGNED="no"
3139                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3140                 ;;
3141
3142         arm*-darwin*)
3143                 TARGET=ARM;
3144                 arch_target=arm;
3145                 ACCESS_UNALIGNED="no"
3146                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3147                 ;;
3148         arm*-linux*)
3149                 TARGET=ARM;
3150                 arch_target=arm;
3151                 ACCESS_UNALIGNED="no"
3152                 AOT_SUPPORTED="yes"
3153                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3154                 ;;
3155         arm*-netbsd*-eabi*)
3156                 TARGET=ARM;
3157                 arch_target=arm;
3158                 ACCESS_UNALIGNED="no"
3159                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3160                 ;;
3161 # TODO: make proper support for NaCl host.
3162 #        arm*-*nacl)
3163 #               TARGET=ARM;
3164 #               arch_target=arm;
3165 #               ACCESS_UNALIGNED="no"
3166 #               AOT_SUPPORTED="no"
3167 #               ;;
3168         aarch64-*)
3169                 # https://lkml.org/lkml/2012/7/15/133
3170                 TARGET=ARM64
3171                 arch_target=arm64
3172                 boehm_supported=false
3173                 AOT_SUPPORTED="yes"
3174                 ;;
3175         s390x-*-linux*)
3176                 TARGET=S390X;
3177                 arch_target=s390x;
3178                 ACCESS_UNALIGNED="yes"
3179                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3180                 ;;
3181 esac
3182
3183 HOST=$TARGET
3184
3185 if test "x$host" != "x$target"; then
3186    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3187    enable_mcs_build=no
3188    BTLS_SUPPORTED=no
3189    case "$target" in
3190    arm*-darwin*)
3191                 TARGET=ARM;
3192                 arch_target=arm;
3193                 ACCESS_UNALIGNED="no"
3194                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3195                 # Can't use tls, since it depends on the runtime detection of tls offsets
3196                 # in mono-compiler.h
3197                 with_tls=pthread
3198                 case "$target" in
3199                 armv7k-*)
3200                         arm_fpu=VFP_HARD
3201                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3202                         ;;
3203                 esac
3204                 ;;
3205    powerpc64-ps3-linux-gnu)
3206                 TARGET=POWERPC64
3207                 arch_target=powerpc64
3208                 AC_DEFINE(TARGET_PS3, 1, [...])
3209                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3210                 # uses this define
3211                 AC_DEFINE(__mono_ppc64__, 1, [...])
3212                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3213                 sizeof_register=8
3214                 target_byte_order=G_BIG_ENDIAN
3215                 ;;
3216    powerpc64-xbox360-linux-gnu)
3217                 TARGET=POWERPC64
3218                 arch_target=powerpc64
3219                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3220                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3221                 # uses this define
3222                 sizeof_register=8
3223                 target_byte_order=G_BIG_ENDIAN
3224                 ;;
3225    x86_64-*-nacl)
3226                 TARGET=AMD64
3227                 arch_target=amd64
3228                 AC_DEFINE(TARGET_AMD64, 1, [...])
3229                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3230                 sizeof_register=8
3231                 ;;
3232 # TODO: make proper support for NaCl target.
3233 #   arm*-*nacl)
3234 #               TARGET=ARM
3235 #               arch_target=arm
3236 #               AC_DEFINE(TARGET_ARM, 1, [...])
3237 #               ACCESS_UNALIGNED="no"
3238 #               sizeof_register=4
3239 #               CPPFLAGS="$CPPFLAGS \
3240 #                    -D__ARM_EABI__ \
3241 #                    -D__arm__ \
3242 #                    -D__portable_native_client__ \
3243 #                    -Dtimezone=_timezone \
3244 #                    -DDISABLE_SOCKETS \
3245 #                    -DDISABLE_ATTACH \
3246 #                    -DUSE_NEWLIB"
3247                 # Can't use tls, since it depends on the runtime detection of tls offsets
3248                 # in mono-compiler.h
3249 #               with_tls=pthread
3250 #               ;;
3251    i686-*-nacl)
3252                 TARGET=X86
3253                 arch_target=x86
3254                 AC_DEFINE(TARGET_X86, 1, [...])
3255                 sizeof_register=4
3256                 ;;
3257    arm*-linux-*)
3258                 TARGET=ARM;
3259                 arch_target=arm;
3260                 AC_DEFINE(TARGET_ARM, 1, [...])
3261                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3262                 ACCESS_UNALIGNED="no"
3263                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3264                 # Can't use tls, since it depends on the runtime detection of tls offsets
3265                 # in mono-compiler.h
3266                 with_tls=pthread
3267                 target_mach=no
3268                 case "$target" in
3269                 armv7l-unknown-linux-gnueabi*)
3270                         # TEGRA
3271                         CPPFLAGS="$CPPFLAGS"
3272                         ;;
3273                 armv5-*-linux-androideabi*)
3274                         CPPFLAGS="$CPPFLAGS"
3275                         ;;
3276                 esac
3277                 ;;
3278    arm*-netbsd*-eabi*)
3279                 TARGET=ARM;
3280                 arch_target=arm;
3281                 AC_DEFINE(TARGET_ARM, 1, [...])
3282                 ACCESS_UNALIGNED="no"
3283                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3284                 # Can't use tls, since it depends on the runtime detection of tls offsets
3285                 # in mono-compiler.h
3286                 with_tls=pthread
3287                 target_mach=no
3288                 ;;
3289    i686*-linux-*)
3290                 TARGET=X86;
3291                 arch_target=x86;
3292                 AC_DEFINE(TARGET_X86, 1, [...])
3293                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3294                 CPPFLAGS="$CPPFLAGS"
3295                 # Can't use tls, since it depends on the runtime detection of tls offsets
3296                 # in mono-compiler.h
3297                 with_tls=pthread
3298                 target_mach=no
3299                 ;;
3300    x86_64*-linux-*)
3301                 TARGET=AMD64;
3302                 arch_target=amd64;
3303                 AC_DEFINE(TARGET_AMD64, 1, [...])
3304                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3305                 CPPFLAGS="$CPPFLAGS"
3306                 # Can't use tls, since it depends on the runtime detection of tls offsets
3307                 # in mono-compiler.h
3308                 with_tls=pthread
3309                 target_mach=no
3310                 ;;
3311    x86_64-ps4-freebsd)
3312                 TARGET=AMD64;
3313                 arch_target=amd64;
3314                 AC_DEFINE(TARGET_AMD64, 1, [...])
3315                 AC_DEFINE(TARGET_PS4, 1, [...])
3316                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3317                 CPPFLAGS="$CPPFLAGS"
3318                 # Can't use tls, since it depends on the runtime detection of tls offsets
3319                 # in mono-compiler.h
3320                 with_tls=pthread
3321                 target_mach=no
3322                 target_win32=no
3323                 ;;
3324    aarch64*-linux-*)
3325                 TARGET=ARM64;
3326                 arch_target=arm64;
3327                 AC_DEFINE(TARGET_ARM64, 1, [...])
3328                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3329                 CPPFLAGS="$CPPFLAGS"
3330                 # Can't use tls, since it depends on the runtime detection of tls offsets
3331                 # in mono-compiler.h
3332                 with_tls=pthread
3333                 target_mach=no
3334                 ;;
3335         aarch64-*)
3336                 TARGET=ARM64
3337                 ;;
3338         *)
3339                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3340         esac
3341 fi
3342
3343 case "$TARGET" in
3344 X86)
3345         AC_DEFINE(TARGET_X86, 1, [...])
3346         ;;
3347 AMD64)
3348         AC_DEFINE(TARGET_AMD64, 1, [...])
3349         ;;
3350 ARM)
3351         AC_DEFINE(TARGET_ARM, 1, [...])
3352         ;;
3353 ARM64)
3354         AC_DEFINE(TARGET_ARM64, 1, [...])
3355         ;;
3356 POWERPC)
3357         AC_DEFINE(TARGET_POWERPC, 1, [...])
3358         ;;
3359 POWERPC64)
3360         AC_DEFINE(TARGET_POWERPC, 1, [...])
3361         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3362         ;;
3363 S390X)
3364         AC_DEFINE(TARGET_S390X, 1, [...])
3365         ;;
3366 MIPS)
3367         AC_DEFINE(TARGET_MIPS, 1, [...])
3368         ;;
3369 IA64)
3370         AC_DEFINE(TARGET_IA64, 1, [...])
3371         ;;
3372 SPARC)
3373         AC_DEFINE(TARGET_SPARC, 1, [...])
3374         ;;
3375 SPARC64)
3376         AC_DEFINE(TARGET_SPARC64, 1, [...])
3377         ;;
3378 esac
3379
3380 case "$HOST" in
3381 X86)
3382         AC_DEFINE(HOST_X86, 1, [...])
3383         ;;
3384 AMD64)
3385         AC_DEFINE(HOST_AMD64, 1, [...])
3386         ;;
3387 ARM)
3388         AC_DEFINE(HOST_ARM, 1, [...])
3389         ;;
3390 ARM64)
3391         AC_DEFINE(HOST_ARM64, 1, [...])
3392         ;;
3393 POWERPC)
3394         AC_DEFINE(HOST_POWERPC, 1, [...])
3395         ;;
3396 POWERPC64)
3397         AC_DEFINE(HOST_POWERPC, 1, [...])
3398         AC_DEFINE(HOST_POWERPC64, 1, [...])
3399         ;;
3400 S390X)
3401         AC_DEFINE(HOST_S390X, 1, [...])
3402         ;;
3403 MIPS)
3404         AC_DEFINE(HOST_MIPS, 1, [...])
3405         ;;
3406 IA64)
3407         AC_DEFINE(HOST_IA64, 1, [...])
3408         ;;
3409 SPARC)
3410         AC_DEFINE(HOST_SPARC, 1, [...])
3411         ;;
3412 SPARC64)
3413         AC_DEFINE(HOST_SPARC64, 1, [...])
3414         ;;
3415 esac
3416
3417
3418
3419 dnl *************
3420 dnl *** VTUNE ***
3421 dnl *************
3422
3423 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3424 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3425
3426 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3427
3428 if test "x$enable_vtune" = "xyes"; then
3429         if test "x$with_vtune" = "x"; then
3430                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3431         else
3432                 VTUNE_PATH=$with_vtune
3433         fi
3434         VTUNE_INCLUDE=$VTUNE_PATH/include
3435         case "$TARGET" in
3436         X86)
3437                 VTUNE_LIB=$VTUNE_PATH/lib32
3438                 ;;
3439         AMD64)
3440                 VTUNE_LIB=$VTUNE_PATH/lib64
3441                 ;;
3442         *)
3443                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3444                 ;;
3445         esac
3446         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3447                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3448         fi
3449         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3450                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3451         fi
3452
3453         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3454         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3455
3456         AC_SUBST(VTUNE_LIBS)
3457         AC_SUBST(VTUNE_CFLAGS)
3458 fi
3459 dnl Use GCC atomic ops if they work on the target.
3460 if test x$GCC = "xyes"; then
3461         case $TARGET in
3462         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3463                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3464                 ;;
3465         esac
3466 fi
3467
3468 if test "x$target_mach" = "xyes"; then
3469
3470    if test "x$TARGET_SYS" = "xWATCHOS"; then
3471           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3472           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3473           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3474           BTLS_SUPPORTED=no
3475    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3476           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3477           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3478           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3479           BTLS_SUPPORTED=no
3480    else
3481        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3482        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3483        #error fail this for ios
3484        #endif
3485        return 0;
3486        ], [
3487                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3488           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3489           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3490        ], [
3491           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3492           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3493           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3494           BTLS_SUPPORTED=no
3495        ])
3496         fi
3497    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3498 fi
3499
3500 if test "x$sizeof_register" = "x4"; then
3501    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3502 elif test "x$sizeof_register" = "x8"; then
3503    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3504 else
3505    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3506 fi
3507
3508 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3509    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3510 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3511    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3512 else
3513    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3514 fi
3515
3516 if test "x$have_visibility_hidden" = "xyes"; then
3517    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3518 fi
3519
3520 if test "x$have_deprecated" = "xyes"; then
3521    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3522 fi
3523
3524 dnl
3525 dnl Simple Generational checks (sgen)
3526 dnl
3527 SGEN_DEFINES=
3528 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3529 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3530 if test x$buildsgen = xyes; then
3531    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3532    SGEN_DEFINES="-DHAVE_SGEN_GC"
3533
3534         conc_gc_msg=""
3535    if test x$with_sgen_default_concurrent != xno; then
3536        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3537            conc_gc_msg=" (concurrent by default)"
3538    fi
3539
3540    if test "x$gc_msg" = "x"; then
3541       gc_msg="sgen$conc_gc_msg"
3542    else
3543       gc_msg="sgen$conc_gc_msg and $gc_msg"
3544    fi
3545 fi
3546 AC_SUBST(SGEN_DEFINES)
3547 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3548
3549 jit_status="Building and using the JIT"
3550
3551 libsuffix=".so"
3552
3553 case "$host" in
3554      *-*-darwin*)
3555         libsuffix=".dylib"
3556         LIBC="libc.dylib"
3557         INTL="libintl.dylib"
3558         SQLITE="libsqlite.0.dylib"
3559         SQLITE3="libsqlite3.0.dylib"
3560         X11="libX11.dylib"
3561         GDKX11="libgdk-x11-2.0.dylib"
3562         GTKX11="libgtk-x11-2.0.dylib"
3563         ;;
3564      *-*-*netbsd*)
3565         LIBC="libc.so"
3566         INTL="libintl.so"
3567         SQLITE="libsqlite.so"
3568         SQLITE3="libsqlite3.so"
3569         ;;
3570      *-*-kfreebsd*-gnu)
3571         LIBC="libc.so.0.1"
3572         INTL="libc.so.0.1"
3573         X11="libX11.so.6"
3574         ;;
3575     *-*-*freebsd*)
3576         LIBC="libc.so.7"
3577         INTL="libintl.so"
3578         SQLITE="libsqlite.so"
3579         SQLITE3="libsqlite3.so"
3580         ;;
3581     *-*-*openbsd*)
3582         LIBC="libc.so"
3583         INTL="libintl.so"
3584         SQLITE="libsqlite.so"
3585         SQLITE3="libsqlite3.so"
3586         ;;
3587     *-*-*linux*)
3588         AC_PATH_X
3589         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3590         AC_MSG_CHECKING(for the soname of libX11.so)
3591         for i in $x_libraries $dlsearch_path; do
3592                 for r in 4 5 6; do
3593                         if test -f $i/libX11.so.$r; then
3594                                 X11=libX11.so.$r
3595                                 AC_MSG_RESULT($X11)
3596                         fi
3597                 done
3598         done
3599
3600         if test "x$X11" = "xlibX11.so"; then
3601                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3602                 X11=libX11.so.6
3603         fi
3604         ;;
3605 esac
3606
3607
3608 AC_SUBST(libsuffix)
3609
3610 AC_ARG_WITH([libgdiplus],
3611         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3612         [], [with_libgdiplus=installed])
3613
3614 # default install location
3615 libgdiplus_install_loc=libgdiplus${libsuffix}
3616 case "$host" in
3617     *-*-*linux*)
3618     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3619     ;;
3620 esac
3621
3622 case $with_libgdiplus in
3623     no|installed)
3624     libgdiplus_loc=
3625     ;;
3626
3627     yes|sibling)
3628     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3629     ;;
3630
3631     /*) # absolute path, assume it is an install location
3632     libgdiplus_loc=$with_libgdiplus
3633     libgdiplus_install_loc=$with_libgdiplus
3634     ;;
3635
3636     *)
3637     libgdiplus_loc=`pwd`/$with_libgdiplus
3638     ;;
3639 esac
3640 AC_SUBST([libgdiplus_loc])
3641 AC_SUBST([libgdiplus_install_loc])
3642
3643 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3644 if test "x$icall_symbol_map" = "xyes"; then
3645    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3646 fi
3647
3648 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3649 if test "x$icall_export" = "xyes"; then
3650    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3651 fi
3652
3653 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3654 if test "x$icall_tables" = "xno"; then
3655    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3656 fi
3657
3658 if test "x$with_tls" = "x__thread"; then
3659         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3660         # Pass the information to libgc
3661         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3662         AC_MSG_CHECKING(if the tls_model attribute is supported)
3663         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3664                 ], [
3665                         AC_MSG_RESULT(yes)
3666                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3667                 ], [
3668                         AC_MSG_RESULT(no)
3669         ])
3670 fi
3671
3672 if test ${TARGET} = ARM; then
3673         dnl ******************************************
3674         dnl *** Check to see what FPU is available ***
3675         dnl ******************************************
3676         AC_MSG_CHECKING(which FPU to use)
3677
3678         #
3679         # This is a bit tricky:
3680         #
3681         # if (__ARM_PCS_VFP) {
3682         #       /* mfloat-abi=hard == VFP with hard ABI */
3683         # } elif (!__SOFTFP__) {
3684         #       /* mfloat-abi=softfp == VFP with soft ABI */
3685         # } else {
3686         #       /* mfloat-abi=soft == no VFP */
3687         # }
3688         #
3689         # The exception is iOS (w/ GCC) where none of the above
3690         # are defined (but iOS always uses the 'softfp' ABI).
3691         #
3692         # No support for FPA.
3693         #
3694
3695         fpu=NONE
3696
3697         # iOS GCC always uses the 'softfp' ABI.
3698         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3699                 fpu=VFP
3700         fi
3701
3702         # Are we using the 'hard' ABI?
3703         if test x$fpu = xNONE; then
3704                 AC_TRY_COMPILE([], [
3705                         #ifndef __ARM_PCS_VFP
3706                         #error "Float ABI is not 'hard'"
3707                         #endif
3708                         return 0;
3709                 ], [
3710                         fpu=VFP_HARD
3711                 ], [
3712                         fpu=NONE
3713                 ])
3714         fi
3715
3716         # No 'hard' ABI. 'soft' or 'softfp'?
3717         if test x$fpu = xNONE; then
3718                 AC_TRY_COMPILE([], [
3719                         #ifdef __SOFTFP__
3720                         #error "Float ABI is not 'softfp'"
3721                         #endif
3722                         return 0;
3723                 ], [
3724                         fpu=VFP
3725                 ], [
3726                         fpu=NONE
3727                 ])
3728         fi
3729
3730         if test x$arm_fpu != x; then
3731            fpu=$arm_fpu
3732         fi
3733
3734         AC_MSG_RESULT($fpu)
3735         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3736         unset fpu
3737
3738         dnl *********************************************
3739         dnl *** Check which ARM version(s) we can use ***
3740         dnl *********************************************
3741         AC_MSG_CHECKING(which ARM version to use)
3742
3743         AC_TRY_COMPILE([], [
3744                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3745                 #error Not on ARM v5.
3746                 #endif
3747                 return 0;
3748         ], [
3749                 arm_v5=yes
3750
3751                 arm_ver=ARMv5
3752         ], [])
3753
3754         AC_TRY_COMPILE([], [
3755                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3756                 #error Not on ARM v6.
3757                 #endif
3758                 return 0;
3759         ], [
3760                 arm_v5=yes
3761                 arm_v6=yes
3762
3763                 arm_ver=ARMv6
3764         ], [])
3765
3766         AC_TRY_COMPILE([], [
3767                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3768                 #error Not on ARM v7.
3769                 #endif
3770                 return 0;
3771         ], [
3772                 arm_v5=yes
3773                 arm_v6=yes
3774                 arm_v7=yes
3775
3776                 arm_ver=ARMv7
3777         ], [])
3778
3779         AC_MSG_RESULT($arm_ver)
3780
3781         if test x$arm_v5 = xyes; then
3782                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3783                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3784         fi
3785
3786         if test x$arm_v6 = xyes; then
3787                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3788                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3789         fi
3790
3791         if test x$arm_v7 = xyes; then
3792                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3793                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3794         fi
3795 fi
3796
3797 if test ${TARGET} = unknown; then
3798         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3799         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3800 fi
3801
3802 if test "x$platform_android" = "xyes"; then
3803         case "x${TARGET}" in
3804         xARM)
3805                 case "x$arm_ver" in
3806                 xARMv5)
3807                         BTLS_SUPPORTED=yes
3808                         BTLS_PLATFORM=android-armv5
3809                         ;;
3810                 xARMv6)
3811                         BTLS_SUPPORTED=yes
3812                         BTLS_PLATFORM=android-armv6
3813                         ;;
3814                 xARMv7)
3815                         BTLS_SUPPORTED=yes
3816                         BTLS_PLATFORM=android-armv7
3817                         ;;
3818                 *)
3819                         BTLS_SUPPORTED=no
3820                         ;;
3821                 esac
3822                 ;;
3823         xARM64)
3824                 BTLS_SUPPORTED=yes
3825                 BTLS_PLATFORM=android-v8a
3826                 ;;
3827         xX86)
3828                 BTLS_SUPPORTED=yes
3829                 BTLS_PLATFORM=android-x86
3830                 ;;
3831         xAMD64)
3832                 BTLS_SUPPORTED=yes
3833                 BTLS_PLATFORM=android-x64
3834                 ;;
3835         *)
3836                 BTLS_SUPPORTED=no
3837                 ;;
3838         esac
3839 fi
3840
3841 if test ${ACCESS_UNALIGNED} = no; then
3842         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3843 fi
3844
3845 case "x$libgc" in
3846         xincluded)
3847                 # Pass CPPFLAGS to libgc configure
3848                 # We should use a separate variable for this to avoid passing useless and
3849                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3850                 # This should be executed late so we pick up the final version of CPPFLAGS
3851                 # The problem with this approach, is that during a reconfigure, the main
3852                 # configure scripts gets invoked with these arguments, so we use separate
3853                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3854                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3855                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3856                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3857                 fi
3858                 # Don't pass -finstrument-for-thread-suspension in,
3859                 # if these are instrumented it will be very bad news
3860                 # (infinite recursion, undefined parking behavior, etc)
3861                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3862                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3863                 if test "x$support_boehm" = "xyes"; then
3864                         AC_CONFIG_SUBDIRS(libgc)
3865                 fi
3866                 ;;
3867 esac
3868
3869 MALLOC_MEMPOOLS=no
3870 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3871         if test x$with_malloc_mempools = xyes; then
3872                 MALLOC_MEMPOOLS=yes
3873                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3874         fi
3875 ])
3876
3877
3878 DISABLE_MCS_DOCS=default
3879 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3880         if test x$with_mcs_docs != xyes; then
3881                 DISABLE_MCS_DOCS=yes
3882         fi
3883 ])
3884 if test -n "$INSTALL_4_x_TRUE"; then :
3885         DISABLE_MCS_DOCS=yes
3886 fi
3887 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3888    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3889 fi
3890
3891 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3892         if test x$with_lazy_gc_thread_creation != xno ; then
3893                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3894         fi
3895 ], [with_lazy_gc_thread_creation=no])
3896
3897 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])
3898
3899 if test x$with_cooperative_gc = xdefault; then
3900         with_cooperative_gc=$with_cooperative_gc_default
3901 fi
3902
3903 if test x$with_cooperative_gc != xno; then
3904         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3905 fi
3906
3907 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3908
3909 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],[
3910
3911         if test x$enable_checked_build != x ; then
3912                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3913         fi
3914         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3915                 eval "mono_checked_build_test_enable_$feature='yes'"
3916         done
3917
3918         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3919                 eval "mono_checked_build_test_enable_gc='yes'"
3920                 eval "mono_checked_build_test_enable_metadata='yes'"
3921                 eval "mono_checked_build_test_enable_thread='yes'"
3922         fi
3923
3924         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3925                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3926         fi
3927
3928         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3929                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3930         fi
3931
3932         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3933                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3934         fi
3935
3936 ], [])
3937
3938 AC_CHECK_HEADER([malloc.h],
3939                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3940                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3941
3942 if test x"$GCC" = xyes; then
3943         # Implicit function declarations are not 64 bit safe
3944         # Do this late, since this causes lots of configure tests to fail
3945         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3946         # jay has a lot of implicit declarations
3947         JAY_CFLAGS="-Wno-implicit-function-declaration"
3948 fi
3949
3950 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3951 # instead of libmono-static.a
3952 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3953    LIBMONO_LA=libmini-static.la
3954 else
3955    if test x$buildsgen = xyes; then
3956       LIBMONO_LA=libmonosgen-$API_VER.la
3957    else
3958       LIBMONO_LA=libmonoboehm-$API_VER.la
3959    fi
3960 fi
3961 AC_SUBST(LIBMONO_LA)
3962
3963 dnl **************
3964 dnl ***  Btls  ***
3965 dnl **************
3966
3967 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3968 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3969
3970 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3971
3972 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3973
3974 btls_android=no
3975 if test "x$enable_btls" = "xyes"; then
3976         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3977         if test "x$CMAKE" = "xno"; then
3978                 AC_MSG_ERROR("cmake not found")
3979         fi
3980
3981         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3982         AC_SUBST(BTLS_ROOT)
3983
3984         btls_arch=
3985         btls_cflags=
3986         BTLS_CMAKE_ARGS=
3987
3988         case "$BTLS_PLATFORM" in
3989         i386)
3990                 btls_arch=i386
3991                 btls_cflags="-m32"
3992                 case $host_os in
3993                         darwin*)
3994                                 btls_cflags="$btls_cflags -arch i386"
3995                 esac
3996                 ;;
3997         x86_64)
3998                 btls_arch=x86_64
3999                 ;;
4000         android-armv5)
4001                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4002                 ;;
4003         android-armv6)
4004                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4005                 ;;
4006         android-armv7)
4007                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4008                 ;;
4009         android-v8a)
4010                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4011                 ;;
4012         android-x86)
4013                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4014                 ;;
4015         android-x64)
4016                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4017                 ;;
4018         *)
4019                 AC_MSG_ERROR(Invalid BTLS platform)
4020         esac
4021
4022         if test "x$platform_android" = "xyes"; then
4023                 btls_android=yes
4024                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4025                 if test "x$with_btls_android_ndk" != "x"; then
4026                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4027                 fi
4028         fi
4029
4030         if test "x$btls_arch" != "x"; then
4031                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4032         fi
4033
4034         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4035         AC_SUBST(BTLS_ARCH)
4036         AC_SUBST(BTLS_CFLAGS)
4037         AC_SUBST(BTLS_PLATFORM)
4038         AC_SUBST(BTLS_CMAKE_ARGS)
4039
4040         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4041 else
4042         enable_btls=no
4043 fi
4044
4045 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4046
4047 if test x$DISABLE_MCS_DOCS = xyes; then
4048    docs_dir=""
4049 else
4050    docs_dir=docs
4051 fi
4052 AC_SUBST(docs_dir)
4053
4054 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4055 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4056
4057 libmono_ldflags="$libmono_ldflags $LIBS"
4058
4059 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4060 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4061 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4062 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4063 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4064 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4065 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4066 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4067 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4068 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4069 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4070 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4071 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4072 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4073 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4074 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4075 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4076 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4077
4078 AC_SUBST(LIBC)
4079 AC_SUBST(INTL)
4080 AC_SUBST(SQLITE)
4081 AC_SUBST(SQLITE3)
4082 AC_SUBST(X11)
4083 AC_SUBST(GDKX11)
4084 AC_SUBST(GTKX11)
4085 AC_SUBST(XINERAMA)
4086 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4087 AC_SUBST(arch_target)
4088 AC_SUBST(CFLAGS)
4089 AC_SUBST(CPPFLAGS)
4090 AC_SUBST(LDFLAGS)
4091
4092 #This must always be defined when building the runtime
4093 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4094
4095 mono_build_root=`pwd`
4096 AC_SUBST(mono_build_root)
4097
4098 mono_runtime=mono/mini/mono
4099 AC_SUBST(mono_runtime)
4100
4101 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4102
4103 if test $csc_compiler = mcs; then
4104   CSC=$mcs_topdir/class/lib/build/mcs.exe
4105 else
4106   CSC=$CSC_LOCATION
4107 fi
4108
4109 mono_cfg_root=$mono_build_root/runtime
4110 if test x$host_win32 = xyes; then
4111   if test "x$cross_compiling" = "xno"; then
4112     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4113     CSC="'"`cygpath -w -a $CSC`"'"
4114         CSC_LOCATION="'"`cygpath -w -a $CSC_LOCATION`"'"
4115   else
4116     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4117   fi
4118 else
4119   mono_cfg_dir=$mono_cfg_root/etc
4120 fi
4121 AC_SUBST(mono_cfg_dir)
4122
4123 AC_SUBST(CSC)
4124
4125 AC_CONFIG_FILES([po/mcs/Makefile.in])
4126
4127 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4128 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4129
4130 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4131 [   depth=../../../..
4132     case $srcdir in
4133     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4134     .) reldir=$depth ;;
4135     *) reldir=$depth/$srcdir ;;
4136     esac
4137     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4138     cd runtime/etc/mono/1.0
4139     rm -f machine.config
4140     $LN_S $reldir/data/net_1_1/machine.config machine.config
4141     cd $depth
4142 ],[LN_S='$LN_S'])
4143
4144 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4145 [   depth=../../../..
4146     case $srcdir in
4147     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4148     .) reldir=$depth ;;
4149     *) reldir=$depth/$srcdir ;;
4150     esac
4151     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4152     cd runtime/etc/mono/2.0
4153     rm -f machine.config
4154     $LN_S $reldir/data/net_2_0/machine.config machine.config
4155     cd $depth
4156 ],[LN_S='$LN_S'])
4157
4158 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4159 [   depth=../../../..
4160     case $srcdir in
4161     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4162     .) reldir=$depth ;;
4163     *) reldir=$depth/$srcdir ;;
4164     esac
4165     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4166     cd runtime/etc/mono/2.0
4167     rm -f web.config
4168     $LN_S $reldir/data/net_2_0/web.config web.config
4169     cd $depth
4170 ],[LN_S='$LN_S'])
4171
4172 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4173 [   depth=../../..
4174     case $srcdir in
4175     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4176     .) reldir=$depth ;;
4177     *) reldir=$depth/$srcdir ;;
4178     esac
4179     $ac_aux_dir/install-sh -d runtime/etc/mono/
4180     cd runtime/etc/mono/
4181     rm -f browscap.ini
4182     $LN_S $reldir/data/browscap.ini browscap.ini
4183     cd $depth
4184 ],[LN_S='$LN_S'])
4185
4186 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4187 [   depth=../../../../..
4188     case $srcdir in
4189     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4190     .) reldir=$depth ;;
4191     *) reldir=$depth/$srcdir ;;
4192     esac
4193     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4194     cd runtime/etc/mono/2.0/Browsers
4195     rm -f Compat.browser
4196     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4197     cd $depth
4198 ],[LN_S='$LN_S'])
4199
4200 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4201 [   depth=../../../../..
4202     case $srcdir in
4203     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4204     .) reldir=$depth ;;
4205     *) reldir=$depth/$srcdir ;;
4206     esac
4207     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4208     cd runtime/etc/mono/4.0/Browsers
4209     rm -f Compat.browser
4210     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4211     cd $depth
4212 ],[LN_S='$LN_S'])
4213
4214 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4215 [   depth=../../../../..
4216     case $srcdir in
4217     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4218     .) reldir=$depth ;;
4219     *) reldir=$depth/$srcdir ;;
4220     esac
4221     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4222     cd runtime/etc/mono/4.5/Browsers
4223     rm -f Compat.browser
4224     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4225     cd $depth
4226 ],[LN_S='$LN_S'])
4227
4228 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4229 [   depth=../../../..
4230     case $srcdir in
4231     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4232     .) reldir=$depth ;;
4233     *) reldir=$depth/$srcdir ;;
4234     esac
4235     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4236     cd runtime/etc/mono/4.0
4237     rm -f machine.config
4238     $LN_S $reldir/data/net_4_0/machine.config machine.config
4239     cd $depth
4240 ],[LN_S='$LN_S'])
4241
4242 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4243 [   depth=../../../..
4244     case $srcdir in
4245     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4246     .) reldir=$depth ;;
4247     *) reldir=$depth/$srcdir ;;
4248     esac
4249     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4250     cd runtime/etc/mono/4.0
4251     rm -f web.config
4252     $LN_S $reldir/data/net_4_0/web.config web.config
4253     cd $depth
4254 ],[LN_S='$LN_S'])
4255
4256 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4257 [   depth=../../../..
4258     case $srcdir in
4259     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4260     .) reldir=$depth ;;
4261     *) reldir=$depth/$srcdir ;;
4262     esac
4263     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4264     cd runtime/etc/mono/4.5
4265     rm -f machine.config
4266     $LN_S $reldir/data/net_4_5/machine.config machine.config
4267     cd $depth
4268 ],[LN_S='$LN_S'])
4269
4270 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4271 [   depth=../../../..
4272     case $srcdir in
4273     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4274     .) reldir=$depth ;;
4275     *) reldir=$depth/$srcdir ;;
4276     esac
4277     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4278     cd runtime/etc/mono/4.5
4279     rm -f web.config
4280     $LN_S $reldir/data/net_4_5/web.config web.config
4281     cd $depth
4282 ],[LN_S='$LN_S'])
4283
4284 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])
4285 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])
4286
4287 AC_OUTPUT([
4288 Makefile
4289 mono-uninstalled.pc
4290 acceptance-tests/Makefile
4291 llvm/Makefile
4292 scripts/mono-find-provides
4293 scripts/mono-find-requires
4294 mono/Makefile
4295 mono/btls/Makefile
4296 mono/utils/Makefile
4297 mono/metadata/Makefile
4298 mono/dis/Makefile
4299 mono/cil/Makefile
4300 mono/arch/Makefile
4301 mono/arch/x86/Makefile
4302 mono/arch/amd64/Makefile
4303 mono/arch/ppc/Makefile
4304 mono/arch/sparc/Makefile
4305 mono/arch/s390x/Makefile
4306 mono/arch/arm/Makefile
4307 mono/arch/arm64/Makefile
4308 mono/arch/ia64/Makefile
4309 mono/arch/mips/Makefile
4310 mono/sgen/Makefile
4311 mono/tests/Makefile
4312 mono/tests/tests-config
4313 mono/tests/assemblyresolve/Makefile
4314 mono/tests/gc-descriptors/Makefile
4315 mono/unit-tests/Makefile
4316 mono/benchmark/Makefile
4317 mono/io-layer/Makefile
4318 mono/mini/Makefile
4319 mono/profiler/Makefile
4320 m4/Makefile
4321 ikvm-native/Makefile
4322 scripts/Makefile
4323 man/Makefile
4324 docs/Makefile
4325 data/Makefile
4326 data/net_2_0/Makefile
4327 data/net_4_0/Makefile
4328 data/net_4_5/Makefile
4329 data/net_2_0/Browsers/Makefile
4330 data/net_4_0/Browsers/Makefile
4331 data/net_4_5/Browsers/Makefile
4332 data/mint.pc
4333 data/mono-2.pc
4334 data/monosgen-2.pc
4335 data/mono.pc
4336 data/mono-cairo.pc
4337 data/mono-nunit.pc
4338 data/mono-options.pc
4339 data/mono-lineeditor.pc
4340 data/monodoc.pc
4341 data/dotnet.pc
4342 data/dotnet35.pc
4343 data/wcf.pc
4344 data/cecil.pc
4345 data/system.web.extensions_1.0.pc
4346 data/system.web.extensions.design_1.0.pc
4347 data/system.web.mvc.pc
4348 data/system.web.mvc2.pc
4349 data/system.web.mvc3.pc
4350 data/aspnetwebstack.pc
4351 data/reactive.pc
4352 samples/Makefile
4353 support/Makefile
4354 data/config
4355 tools/Makefile
4356 tools/locale-builder/Makefile
4357 tools/sgen/Makefile
4358 tools/monograph/Makefile
4359 tools/pedump/Makefile
4360 runtime/Makefile
4361 msvc/Makefile
4362 po/Makefile
4363 ])
4364
4365 # Update all submodules recursively to ensure everything is checked out
4366 $srcdir/scripts/update_submodules
4367
4368 if test x$host_win32 = xyes; then
4369    # Get rid of 'cyg' prefixes in library names
4370    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4371    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4372    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4373    # executable doesn't work...
4374    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4375 fi
4376
4377 if test x$host_darwin = xyes; then
4378    # This doesn't seem to be required and it slows down parallel builds
4379    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4380 fi
4381
4382 (
4383   case $prefix in
4384   NONE) prefix=$ac_default_prefix ;;
4385   esac
4386   case $exec_prefix in
4387   NONE) exec_prefix='${prefix}' ;;
4388   esac
4389
4390   #
4391   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4392   # any existing config.make.  This allows people to share the same source tree
4393   # with different build directories, one native and one cross
4394   #
4395   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4396
4397     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4398
4399     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4400     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4401     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4402     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4403     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4404     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4405     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4406     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4407     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4408
4409     case $INSTALL in
4410     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4411     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4412     esac
4413
4414     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4415
4416     export VERSION
4417     [myver=$($AWK 'BEGIN {
4418       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4419       if(length(vsplit [1]) > 4) {
4420         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4421       }
4422       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4423     }')]
4424
4425     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4426
4427     if test x$host_darwin = xyes; then
4428       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4429     fi
4430
4431     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4432       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4433     fi
4434
4435         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4436            enable_system_aot=yes
4437         fi
4438
4439     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4440       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4441     fi
4442
4443     if test x$DISABLE_MCS_DOCS = xyes; then
4444       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4445     fi
4446
4447     if test x$has_extension_module != xno; then
4448         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4449     fi
4450
4451     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4452
4453     if test "x$test_bcl_opt" = "xyes"; then
4454       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4455     fi
4456
4457     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4458
4459     if test $csc_compiler = mcs; then
4460       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4461     fi
4462
4463     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4464       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4465       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4466     fi
4467
4468     if test "x$enable_btls" = "xyes"; then
4469       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4470       if test "x$enable_dynamic_btls" = "xyes"; then
4471         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4472       fi
4473     fi
4474
4475   fi
4476
4477 )
4478
4479 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4480
4481 btls_platform_string=
4482 if test x$enable_btls = xyes; then
4483         if test x$btls_android = xyes; then
4484                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4485         else
4486                 btls_platform_string=" ($BTLS_PLATFORM)"
4487         fi
4488 fi
4489
4490 echo "
4491         mcs source:    $mcsdir
4492         C# Compiler:   $csc_compiler
4493
4494    Engine:
4495         Host:          $host
4496         Target:        $target
4497         GC:            $gc_msg
4498         TLS:           $with_tls
4499         SIGALTSTACK:   $with_sigaltstack
4500         Engine:        $jit_status
4501         BigArrays:     $enable_big_arrays
4502         DTrace:        $enable_dtrace
4503         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4504
4505    Libraries:
4506         .NET 4.x:        $with_profile4_x
4507         Xamarin.Android: $with_monodroid
4508         Xamarin.iOS:     $with_monotouch
4509         Xamarin.WatchOS: $with_monotouch_watch
4510         Xamarin.TVOS:    $with_monotouch_tv
4511         Xamarin.Mac:     $with_xammac
4512         Windows AOT:     $with_winaot
4513         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4514         JNI support:     $jdk_headers_found
4515         libgdiplus:      $libgdiplus_msg
4516         zlib:            $zlib_msg
4517         BTLS:            $enable_btls$btls_platform_string
4518         $disabled
4519 "
4520 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4521    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4522 fi