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 AM_PROG_LIBTOOL
 436 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 437 DOLT
 438
 439 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 440 AC_SUBST(export_ldflags)
 441
 442 # Test whenever ld supports -version-script
 443 AC_PROG_LD
 444 AC_PROG_LD_GNU
 445
 446 AM_ICONV()
 447
 448 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)
 449 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)
 450 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 451                   [], [], [#include <stddef.h>
 452                   #include <sys/socket.h>
 453                   #include <linux/socket.h>])
 454
 455 AC_CHECK_HEADERS(sys/user.h, [], [],
 456 [
 457 #ifdef HAVE_SYS_PARAM_H
 458 # include <sys/param.h>
 459 #endif
 460 ])
 461
 462 AC_CHECK_HEADERS(linux/serial.h)
 463
 464 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 465 if test x$have_zlib = xyes; then
 466    AC_TRY_COMPILE([#include <zlib.h>], [
 467    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 468    return 0;
 469    #else
 470    #error No good zlib found
 471    #endif
 472    ],[
 473         AC_MSG_RESULT(Using system zlib)
 474         zlib_msg="system zlib"
 475         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 476    ],[
 477         AC_MSG_RESULT(Using embedded zlib)
 478         have_zlib=no
 479         zlib_msg="bundled zlib"
 480    ])
 481 fi
 482
 483 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 484 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 485
 486 # for mono/metadata/debug-symfile.c
 487 AC_CHECK_HEADERS(elf.h)
 488
 489 # for support
 490 AC_CHECK_HEADERS(poll.h)
 491 AC_CHECK_HEADERS(sys/poll.h)
 492 AC_CHECK_HEADERS(sys/wait.h)
 493 AC_CHECK_HEADERS(grp.h)
 494 AC_CHECK_HEADERS(syslog.h)
 495
 496 # for mono/dis
 497 AC_CHECK_HEADERS(wchar.h)
 498 AC_CHECK_HEADERS(ieeefp.h)
 499 AC_MSG_CHECKING(for isinf)
 500 AC_TRY_LINK([#include <math.h>], [
 501         int f = isinf (1.0);
 502 ], [
 503         AC_MSG_RESULT(yes)
 504         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 505 ], [
 506         # We'll have to use signals
 507         AC_MSG_RESULT(no)
 508 ])
 509 # mingw
 510 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 511         AC_TRY_LINK([#include <math.h>],
 512         [ _finite(0.0); ],
 513         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 514         AC_MSG_RESULT(no)))
 515
 516 # for Linux statfs support
 517 AC_CHECK_HEADERS(linux/magic.h)
 518
 519 # not 64 bit clean in cross-compile
 520 AC_CHECK_SIZEOF(void *, 4)
 521
 522 AC_CACHE_CHECK([for clang],
 523         mono_cv_clang,[
 524         AC_TRY_COMPILE([], [
 525                 #ifdef __clang__
 526                 #else
 527                 #error "FAILED"
 528                 #endif
 529                 return 0;
 530         ],
 531         [mono_cv_clang=yes],
 532         [mono_cv_clang=no],
 533         [])
 534 ])
 535
 536 AC_ARG_ENABLE(visibility-hidden,
 537 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 538    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 539
 540 WARN=''
 541 if test x"$GCC" = xyes; then
 542         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 543
 544                 # We require C99 with some GNU extensions, e.g. `linux` macro
 545                 CFLAGS="$CFLAGS -std=gnu99"
 546
 547                 # The runtime code does not respect ANSI C strict aliasing rules
 548                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 549
 550                 # We rely on signed overflow to behave
 551                 CFLAGS="$CFLAGS -fwrapv"
 552
 553                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 554                 if test x"$disable_visibility_hidden" = xno; then
 555                    # Don't export any symbols by default
 556                    SHARED_CFLAGS="-fvisibility=hidden"
 557                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 558                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 559                 fi
 560
 561                 ORIG_CFLAGS=$CFLAGS
 562                 # Check for the normal version, since gcc ignores unknown -Wno options
 563                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 564                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 565                 AC_TRY_COMPILE([],[
 566                                 return 0;
 567                 ], [
 568                    AC_MSG_RESULT(yes)
 569                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 570                 ], [
 571                    AC_MSG_RESULT(no)
 572                    CFLAGS=$ORIG_CFLAGS
 573                 ])
 574
 575                 if test "x$mono_cv_clang" = "xyes"; then
 576                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 577                    WARN="$WARN -Qunused-arguments"
 578                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 579                    # We rely on zero length arrays in structs
 580                    WARN="$WARN -Wno-zero-length-array"
 581                 fi
 582 else
 583         # The Sun Forte compiler complains about inline functions that access static variables
 584         # so disable all inlining.
 585         case "$host" in
 586         *-*-solaris*)
 587                 CFLAGS="$CFLAGS -Dinline="
 588                 ;;
 589         esac
 590 fi
 591 CFLAGS="$CFLAGS -g $WARN"
 592 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 593 CPPFLAGS="$CPPFLAGS -g $WARN"
 594
 595 # Where's the 'mcs' source tree?
 596 if test -d $srcdir/mcs; then
 597   mcsdir=mcs
 598 else
 599   mcsdir=../mcs
 600 fi
 601
 602 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 603         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 604                 mcsdir=$with_mcs_path
 605         fi
 606 )
 607
 608 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 609
 610 #
 611 # A sanity check to catch cases where the package was unpacked
 612 # with an ancient tar program (Solaris)
 613 #
 614 AC_ARG_ENABLE(solaris-tar-check,
 615 [  --disable-solaris-tar-check    disable solaris tar check],
 616    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 617
 618 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 619         AC_MSG_CHECKING(integrity of package)
 620         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 621         then
 622                 AC_MSG_RESULT(ok)
 623         else
 624                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 625                 AC_MSG_ERROR([$errorm])
 626         fi
 627 fi
 628
 629 if test "x$with_mcs_path" != "x"; then
 630 mcs_topdir=$(cd "$mcsdir" && pwd)
 631 mcs_topdir_from_srcdir=$mcs_topdir
 632 else
 633 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 634 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 635 fi
 636
 637 # Convert mcs_topdir* paths to Windows syntax.
 638 if test x$cross_compiling$host_win32 = xnoyes; then
 639   mcs_topdir=$(cygpath -m $mcs_topdir)
 640   case $mcs_topdir_from_srcdir in
 641     /cygdrive/*)
 642         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 643         ;;
 644   esac
 645 fi
 646
 647 AC_SUBST([mcs_topdir])
 648 AC_SUBST([mcs_topdir_from_srcdir])
 649
 650 # gettext: prepare the translation directories.
 651 # we do not configure the full gettext, as we consume it dynamically from C#
 652 AM_PO_SUBDIRS
 653
 654 if test "x$USE_NLS" = "xyes"; then
 655    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 656
 657    if test "x$HAVE_MSGFMT" = "xno"; then
 658           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 659    fi
 660 fi
 661
 662 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 663
 664 pkg_config_path=
 665 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 666         if test x$with_crosspkgdir = "x"; then
 667                 if test -s $PKG_CONFIG_PATH; then
 668                         pkg_config_path=$PKG_CONFIG_PATH
 669                 fi
 670         else
 671                 pkg_config_path=$with_crosspkgdir
 672                 PKG_CONFIG_PATH=$pkg_config_path
 673                 export PKG_CONFIG_PATH
 674         fi
 675 )
 676
 677 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 678 if test x$werror_flag = xyes; then
 679         WERROR_CFLAGS="-Werror"
 680 fi
 681 AC_SUBST([WERROR_CFLAGS])
 682 AC_SUBST([SHARED_CFLAGS])
 683
 684 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 685 AC_CONFIG_SUBDIRS(eglib)
 686
 687 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 688 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 689
 690 AC_SUBST(GLIB_CFLAGS)
 691 AC_SUBST(GLIB_LIBS)
 692
 693 # Enable support for fast thread-local storage
 694 # Some systems have broken support, so we allow to disable it.
 695 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 696
 697 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 698 # This does not work on some platforms (bug #55253)
 699 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 700
 701 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 702 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 703 # Same as --with-shared_mono=no
 704 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 705
 706 if test "x$enable_static" = "xno"; then
 707    with_static_mono=no
 708 fi
 709
 710 if test "x$enable_shared" = "xno"; then
 711    with_shared_mono=no
 712 fi
 713
 714 if test "x$enable_libraries" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 719
 720 case $host in
 721 *nacl* ) with_shared_mono=yes;;
 722 esac
 723
 724 if test "x$host_win32" = "xyes"; then
 725    # Boehm GC requires the runtime to be in its own dll
 726    with_static_mono=no
 727 fi
 728
 729 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 730 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 731 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 732
 733 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 734 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 735         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 736         ORIG_CFLAGS=$CFLAGS
 737         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 738         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 739         AC_TRY_COMPILE([], [
 740                 return 0;
 741         ], [
 742            AC_MSG_RESULT(yes)
 743            # Pass it to libgc as well
 744            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 745         ], [
 746            AC_MSG_RESULT(no)
 747            CFLAGS=$ORIG_CFLAGS
 748         ])
 749 fi
 750
 751 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 752
 753 if test x$enable_small_config = xyes; then
 754         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 755         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 756 fi
 757
 758 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=$enableval, enable_system_aot=default)
 759
 760 DISABLED_FEATURES=none
 761 csc_compiler=default
 762 endian=unknown
 763 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 764 AC_MSG_CHECKING([CSharp compiler to use])
 765 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 766    if test x$withval = xmcs; then
 767        csc_compiler=mcs
 768    elif test x$withval = xroslyn; then
 769        csc_compiler=roslyn
 770    elif test x$withval = xdefault; then
 771        :
 772    else
 773        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 774    fi
 775 ],[csc_compiler=default])
 776
 777 if test $csc_compiler = default; then
 778    if test $endian = big; then
 779       csc_compiler=mcs
 780    elif test $endian = little; then
 781       csc_compiler=roslyn
 782    else
 783       csc_compiler=mcs
 784    fi
 785 fi
 786 AC_MSG_RESULT($csc_compiler)
 787
 788 #
 789 # Set the build profiles and options before things which use them
 790 #
 791
 792 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])
 793 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 794 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 795 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])
 796 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])
 797 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 798 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 799 AC_ARG_WITH(aot_hybrid,      [  --with-aot_hybrid=yes,no        If you want to build the aot_hybrid assemblies (defaults to no)],     [], [with_aot_hybrid=default])
 800 AC_ARG_WITH(aot_only,        [  --with-aot_only=yes,no          If you want to build the aot_only assemblies (defaults to no)],       [], [with_aot_only=default])
 801
 802 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot_preferred,aot_only,bitcode_aot_only   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 803
 804 dnl
 805 dnl Profile defaults
 806 dnl
 807 TEST_PROFILE=default
 808 enable_llvm_default=no
 809
 810 with_profile4_x_default=no
 811 with_monodroid_default=no
 812 with_monotouch_default=no
 813 with_monotouch_watch_default=no
 814 with_monotouch_tv_default=no
 815 with_xammac_default=no
 816 with_aot_hybrid_default=no
 817 with_aot_only_default=no
 818
 819 with_bitcode_default=no
 820 with_cooperative_gc_default=no
 821
 822 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 823
 824 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 825    DISABLE_MCS_DOCS_default=yes
 826 elif test x$with_runtime_preset = xnet_4_x; then
 827    with_profile4_x_default=yes
 828 elif test x$with_runtime_preset = xall; then
 829    with_profile4_x_default=yes
 830    with_monodroid_default=yes
 831    with_monotouch_default=yes
 832    with_monotouch_watch_default=yes
 833    with_monotouch_tv_default=yes
 834    with_xammac_default=yes
 835 elif test x$with_runtime_preset = xaot_only; then
 836    DISABLE_MCS_DOCS_default=yes
 837    with_aot_only_default=yes
 838    TEST_PROFILE=aot_only
 839
 840    mono_feature_disable_com='yes'
 841    mono_feature_disable_remoting='yes'
 842    mono_feature_disable_reflection_emit_save='yes'
 843    mono_feature_disable_reflection_emit='yes'
 844    mono_feature_disable_appdomains='yes'
 845
 846    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 847    AOT_RUN_FLAGS="--full-aot"
 848 elif test x$with_runtime_preset = xbitcode_aot_only; then
 849    DISABLE_MCS_DOCS_default=yes
 850    with_aot_only_default=yes
 851    with_bitcode_default=yes
 852    with_cooperative_gc_default=yes
 853    TEST_PROFILE=aot_only
 854    enable_llvm_default=yes
 855
 856    mono_feature_disable_com='yes'
 857    mono_feature_disable_remoting='yes'
 858    mono_feature_disable_reflection_emit_save='yes'
 859    mono_feature_disable_reflection_emit='yes'
 860    mono_feature_disable_appdomains='yes'
 861
 862    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 863    AOT_RUN_FLAGS="--llvmonly"
 864 elif test x$with_runtime_preset = xaot_preferred; then
 865    DISABLE_MCS_DOCS_default=yes
 866    with_aot_hybrid_default=yes
 867    TEST_PROFILE=aot_hybrid
 868    enable_llvm_default=yes
 869
 870    mono_feature_disable_com='yes'
 871    mono_feature_disable_remoting='yes'
 872    mono_feature_disable_appdomains='yes'
 873
 874    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 875    AOT_RUN_FLAGS="--hybrid-aot"
 876 else
 877    with_profile4_x_default=yes
 878 fi
 879
 880 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 881    AC_SUBST(AOT_BUILD_FLAGS)
 882    AC_SUBST(AOT_RUN_FLAGS)
 883    # For llvmonlycheck + fullaotcheck
 884    AC_SUBST(INVARIANT_AOT_OPTIONS)
 885 fi
 886
 887 AC_SUBST(TEST_PROFILE)
 888
 889 if test "x$with_profile4_x" = "xdefault"; then
 890    with_profile4_x=$with_profile4_x_default
 891 fi
 892 if test "x$with_monodroid" = "xdefault"; then
 893    with_monodroid=$with_monodroid_default
 894 fi
 895 if test "x$with_monotouch" = "xdefault"; then
 896    with_monotouch=$with_monotouch_default
 897 fi
 898 if test "x$with_monotouch_watch" = "xdefault"; then
 899    with_monotouch_watch=$with_monotouch_watch_default
 900 fi
 901 if test "x$with_monotouch_tv" = "xdefault"; then
 902    with_monotouch_tv=$with_monotouch_tv_default
 903 fi
 904 if test "x$with_bitcode" = "xdefault"; then
 905    with_bitcode=$with_bitcode_default
 906 fi
 907 if test "x$with_xammac" = "xdefault"; then
 908    with_xammac=$with_xammac_default
 909 fi
 910 if test "x$with_aot_hybrid" = "xdefault"; then
 911    with_aot_hybrid=$with_aot_hybrid_default
 912 fi
 913 if test "x$with_aot_only" = "xdefault"; then
 914    with_aot_only=$with_aot_only_default
 915 fi
 916
 917 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 918 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 919 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 920 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 921 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 922 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 923 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 924 AM_CONDITIONAL(INSTALL_AOT_HYBRID, [test "x$with_aot_hybrid" != "xno"])
 925 AM_CONDITIONAL(INSTALL_AOT_ONLY, [test "x$with_aot_only" != "xno"])
 926
 927 AC_SUBST(INSTALL_AOT_HYBRID)
 928 AC_SUBST(INSTALL_AOT_ONLY)
 929
 930 default_profile=net_4_x
 931 if test -z "$INSTALL_MONODROID_TRUE"; then :
 932    default_profile=monodroid
 933 fi
 934 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 935    default_profile=monotouch
 936 fi
 937 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 938    default_profile=xammac
 939 fi
 940 if test -z "$INSTALL_AOT_HYBRID_TRUE"; then :
 941    default_profile=aot_hybrid
 942 fi
 943 if test -z "$INSTALL_AOT_ONLY_TRUE"; then :
 944    default_profile=aot_only
 945 fi
 946 if test -z "$INSTALL_4_x_TRUE"; then :
 947    default_profile=net_4_x
 948 fi
 949 DEFAULT_PROFILE=$default_profile
 950 AC_SUBST(DEFAULT_PROFILE)
 951
 952 #
 953 # End build profile configuration
 954 #
 955
 956 if test x$USE_NLS = xprofile_default; then
 957
 958 if test x$host_darwin = xyes; then
 959 # We make the default value for USE_NLS
 960 # "no" on OSX because it isn't available on most
 961 # default OSX installs. The most common configurations will
 962 # all disable it, so this saves us typing.
 963   USE_NLS=no
 964   AC_SUBST([USE_NLS])
 965   AC_MSG_RESULT([$USE_NLS])
 966 else
 967   USE_NLS=yes
 968   AC_SUBST([USE_NLS])
 969   AC_MSG_RESULT([$USE_NLS])
 970 fi
 971
 972 fi
 973
 974 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 975      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 976      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 977          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 978 [
 979         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 980                 eval "mono_feature_disable_$feature='yes'"
 981         done
 982         DISABLED_FEATURES=$enable_minimal
 983         disabled="Disabled:      $enable_minimal"
 984 ],[])
 985
 986 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 987
 988 if test "x$mono_feature_disable_aot" = "xyes"; then
 989         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 990         enable_system_aot=no
 991         AC_MSG_NOTICE([Disabled AOT compiler])
 992 fi
 993
 994 if test "x$mono_feature_disable_profiler" = "xyes"; then
 995         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 996         AC_MSG_NOTICE([Disabled support for the profiler])
 997 fi
 998 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 999
1000 if test "x$mono_feature_disable_decimal" = "xyes"; then
1001         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1002         AC_MSG_NOTICE([Disabled support for decimal])
1003 fi
1004
1005 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1006         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1007         AC_MSG_NOTICE([Disabled support for P/Invoke])
1008 fi
1009
1010 if test "x$mono_feature_disable_debug" = "xyes"; then
1011         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1012         AC_MSG_NOTICE([Disabled support for runtime debugging])
1013 fi
1014
1015 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1016         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1017         mono_feature_disable_reflection_emit_save=yes
1018         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1019 fi
1020
1021 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1022         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1023         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1024 fi
1025
1026 if test "x$mono_feature_disable_large_code" = "xyes"; then
1027         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1028         AC_MSG_NOTICE([Disabled support for large assemblies])
1029 fi
1030
1031 if test "x$mono_feature_disable_logging" = "xyes"; then
1032         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1033         AC_MSG_NOTICE([Disabled support for logging])
1034 fi
1035
1036 if test "x$mono_feature_disable_com" = "xyes"; then
1037         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1038         AC_MSG_NOTICE([Disabled COM support])
1039 fi
1040
1041 if test "x$mono_feature_disable_ssa" = "xyes"; then
1042         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1043         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1044 fi
1045
1046 if test "x$mono_feature_disable_generics" = "xyes"; then
1047         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1048         AC_MSG_NOTICE([Disabled Generics Support])
1049 fi
1050
1051 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1052         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1053         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1054 fi
1055
1056 if test "x$mono_feature_disable_portability" = "xyes"; then
1057         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1058         AC_MSG_NOTICE([Disabled IO Portability layer])
1059 fi
1060
1061 if test "x$mono_feature_disable_attach" = "xyes"; then
1062         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1063         AC_MSG_NOTICE([Disabled agent attach])
1064 fi
1065
1066 if test "x$mono_feature_disable_verifier" = "xyes"; then
1067         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1068         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1069 fi
1070
1071 if test "x$mono_feature_disable_jit" = "xyes"; then
1072         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1073         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1074 fi
1075
1076 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1077
1078 if test "x$mono_feature_disable_simd" = "xyes"; then
1079         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1080         AC_MSG_NOTICE([Disabled SIMD support])
1081 fi
1082
1083 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1084         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1085         AC_MSG_NOTICE([Disabled Soft Debugger.])
1086 fi
1087
1088 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1089         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1090         AC_MSG_NOTICE([Disabled Performance Counters.])
1091 fi
1092 if test "x$mono_feature_disable_normalization" = "xyes"; then
1093         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1094         AC_MSG_NOTICE([Disabled String normalization support.])
1095 fi
1096
1097 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1098         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1099         AC_MSG_NOTICE([Disabled Assembly remapping.])
1100 fi
1101
1102 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1103         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1104         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1105 fi
1106
1107 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1108         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1109         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1110 fi
1111
1112 if test "x$mono_feature_disable_remoting" = "xyes"; then
1113         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1114         AC_MSG_NOTICE([Disabled remoting])
1115 fi
1116
1117 if test "x$mono_feature_disable_security" = "xyes"; then
1118         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1119         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1120 fi
1121
1122 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1123         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1124         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1125 fi
1126
1127 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1128         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1129         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1130 fi
1131
1132 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1133         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1134         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1135 fi
1136
1137 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1138         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1139         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1140 fi
1141
1142 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1143         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1144         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1145 fi
1146
1147 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1148 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1149
1150 has_extension_module=no
1151 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1152 [
1153         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1154                 if test x$extension = xdefault ; then
1155                         has_extension_module=yes;
1156                 fi
1157         done
1158         if test x$enable_extension_module = xyes; then
1159                 has_extension_module=yes;
1160         fi
1161 ], [])
1162
1163 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1164
1165 if test x$has_extension_module != xno ; then
1166         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1167         AC_MSG_NOTICE([Enabling mono extension module.])
1168 fi
1169
1170 # Deprecated
1171 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1172
1173 AC_MSG_CHECKING(for visibility __attribute__)
1174 AC_COMPILE_IFELSE([
1175         AC_LANG_SOURCE([[
1176                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1177                 int main () { doit (); return 0; }
1178         ]])
1179 ], [
1180    have_visibility_hidden=yes
1181    AC_MSG_RESULT(yes)
1182 ], [
1183    have_visibility_hidden=no
1184    AC_MSG_RESULT(no)
1185 ])
1186
1187 dnl
1188 dnl Boehm GC configuration
1189 dnl
1190
1191 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1192
1193 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1194 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1195
1196 if test "x$support_boehm" = "xyes"; then
1197
1198         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1199         if test x$enable_parallel_mark = xyes; then
1200                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1201         fi
1202
1203         gc_msg=""
1204         LIBGC_CPPFLAGS=
1205         LIBGC_LIBS=
1206         LIBGC_STATIC_LIBS=
1207         libgc_dir=
1208         case "x$libgc" in
1209                 xincluded)
1210                         if test "x$support_boehm" = "xyes"; then
1211                                 libgc_dir=libgc
1212                         fi
1213
1214                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1215                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1216                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1217
1218                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1219
1220                         if test x$target_win32 = xyes; then
1221                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1222                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1223                         fi
1224
1225                         gc_msg="Included Boehm GC with typed GC"
1226                         if test x$enable_parallel_mark = xyes; then
1227                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1228                                 gc_msg="$gc_msg and parallel mark"
1229                         else
1230                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1231                         fi
1232                         ;;
1233
1234                 xboehm|xbohem|xyes)
1235                         AC_MSG_WARN("External Boehm is no longer supported")
1236                         ;;
1237
1238                 xsgen)
1239                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1240                         ;;
1241
1242                 xnone)
1243                         AC_MSG_WARN("Compiling mono without GC.")
1244                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1245                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1246                         gc_msg="none"
1247                         ;;
1248                 *)
1249                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1250                         ;;
1251         esac
1252
1253         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1254         if test "x$large_heap" = "xyes"; then
1255            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1256         fi
1257
1258         AC_SUBST(LIBGC_CPPFLAGS)
1259         AC_SUBST(LIBGC_LIBS)
1260         AC_SUBST(LIBGC_STATIC_LIBS)
1261         AC_SUBST(libgc_dir)
1262         AC_SUBST(BOEHM_DEFINES)
1263
1264 fi
1265
1266 dnl
1267 dnl End of Boehm GC Configuration
1268 dnl
1269
1270 dnl *************************************
1271 dnl *** Checks for zero length arrays ***
1272 dnl *************************************
1273 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1274 AC_TRY_COMPILE([
1275         struct s {
1276                 int  length;
1277                 char data [0];
1278         };
1279 ], [], [
1280         AC_MSG_RESULT(yes)
1281         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1282 ], [
1283         AC_MSG_RESULT(no)
1284         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1285 ])
1286
1287 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1288
1289 dnl ***********************************
1290 dnl *** Checks for signals
1291 dnl ***********************************
1292 AC_CHECK_HEADERS(signal.h)
1293 AC_CHECK_FUNCS(sigaction)
1294 AC_CHECK_FUNCS(kill)
1295 AC_CHECK_FUNCS(signal)
1296
1297 # signal() is declared inline in Android headers
1298 # so we need to workaround it by overriding the check.
1299 if test x$platform_android = xyes; then
1300         AC_DEFINE(HAVE_SIGNAL,1)
1301 fi
1302
1303 if test x$host_win32 = xno; then
1304
1305         dnl hires monotonic clock support
1306         AC_SEARCH_LIBS(clock_gettime, rt)
1307         AC_CHECK_FUNCS(clock_nanosleep)
1308
1309         dnl dynamic loader support
1310         AC_CHECK_FUNC(dlopen, DL_LIB="",
1311                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1312         )
1313         if test x$dl_support = xno; then
1314                 AC_MSG_WARN([No dynamic loading support available])
1315         else
1316                 LIBS="$LIBS $DL_LIB"
1317                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1318                 dnl from glib's configure.ac
1319                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1320                         mono_cv_uscore,[
1321                         AC_TRY_RUN([#include <dlfcn.h>
1322                         int mono_underscore_test (void) { return 42; }
1323                         int main() {
1324                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1325                           handle = dlopen ((void*)0, 0);
1326                           if (handle) {
1327                             f1 = dlsym (handle, "mono_underscore_test");
1328                             f2 = dlsym (handle, "_mono_underscore_test");
1329                           } return (!f2 || f1);
1330                         }],
1331                                 [mono_cv_uscore=yes],
1332                                 [mono_cv_uscore=no],
1333                         [])
1334                 ])
1335                 if test "x$mono_cv_uscore" = "xyes"; then
1336                         MONO_DL_NEED_USCORE=1
1337                 else
1338                         MONO_DL_NEED_USCORE=0
1339                 fi
1340                 AC_SUBST(MONO_DL_NEED_USCORE)
1341                 AC_CHECK_FUNC(dlerror)
1342         fi
1343
1344         dnl ******************************************************************
1345         dnl *** Checks for the IKVM JNI interface library                  ***
1346         dnl ******************************************************************
1347         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])
1348
1349         ikvm_native_dir=
1350         if test x$with_ikvm_native = xyes; then
1351                 ikvm_native_dir=ikvm-native
1352                 jdk_headers_found="IKVM Native"
1353         fi
1354
1355         AC_SUBST(ikvm_native_dir)
1356
1357         AC_CHECK_HEADERS(execinfo.h)
1358
1359         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1360
1361         AC_CHECK_FUNCS(getgrgid_r)
1362         AC_CHECK_FUNCS(getgrnam_r)
1363         AC_CHECK_FUNCS(getpwnam_r)
1364         AC_CHECK_FUNCS(getpwuid_r)
1365         AC_CHECK_FUNCS(getresuid)
1366         AC_CHECK_FUNCS(setresuid)
1367         AC_CHECK_FUNCS(kqueue)
1368         AC_CHECK_FUNCS(backtrace_symbols)
1369         AC_CHECK_FUNCS(mkstemp)
1370         AC_CHECK_FUNCS(mmap)
1371         AC_CHECK_FUNCS(madvise)
1372         AC_CHECK_FUNCS(getrusage)
1373         AC_CHECK_FUNCS(getpriority)
1374         AC_CHECK_FUNCS(setpriority)
1375         AC_CHECK_FUNCS(dl_iterate_phdr)
1376         AC_CHECK_FUNCS(dladdr)
1377         AC_CHECK_FUNCS(sysconf)
1378         AC_CHECK_FUNCS(getrlimit)
1379         AC_CHECK_FUNCS(prctl)
1380
1381         AC_CHECK_FUNCS(sched_getaffinity)
1382         AC_CHECK_FUNCS(sched_setaffinity)
1383         AC_CHECK_FUNCS(sched_getcpu)
1384
1385         dnl ****************************************************************
1386         dnl *** Check for sched_setaffinity from glibc versions before   ***
1387         dnl *** 2.3.4. The older versions of the function only take 2    ***
1388         dnl *** parameters, not 3.                                       ***
1389         dnl ***                                                          ***
1390         dnl *** Because the interface change was not made in a minor     ***
1391         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1392         dnl *** won't always indicate the interface sched_affinity has.  ***
1393         dnl ****************************************************************
1394         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1395         AC_TRY_COMPILE([#include <sched.h>], [
1396             int mask = 1;
1397             sched_setaffinity(0, &mask);
1398                         return 0;
1399         ], [
1400                 # Yes, we have it...
1401                 AC_MSG_RESULT(yes)
1402                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1403         ], [
1404                 # We have the new, three-parameter version
1405                 AC_MSG_RESULT(no)
1406         ])
1407
1408
1409         dnl ******************************************************************
1410         dnl *** Check for large file support                               ***
1411         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1412         dnl ******************************************************************
1413
1414         # Check that off_t can represent 2**63 - 1 correctly, working around
1415         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1416         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1417         large_offt=no
1418         AC_DEFUN([LARGE_FILES], [
1419                 large_CPPFLAGS=$CPPFLAGS
1420                 CPPFLAGS="$CPPFLAGS $1"
1421                 AC_TRY_COMPILE([
1422                         #include <sys/types.h>
1423                         #include <limits.h>
1424                 ], [
1425                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1426                         #define COMPILE_TIME_ASSERT(pred) \
1427                                 switch(0){case 0:case pred:;}
1428                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1429                 ], [
1430                         AC_MSG_RESULT(ok)
1431                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1432                         large_CPPFLAGS="$large_CPPFLAGS $1"
1433                         large_offt=yes
1434                 ], [
1435                         AC_MSG_RESULT(no)
1436                 ])
1437                 CPPFLAGS=$large_CPPFLAGS
1438         ])
1439
1440         AC_MSG_CHECKING(if off_t is 64 bits wide)
1441         LARGE_FILES("")
1442         if test $large_offt = no; then
1443                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1444                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1445         fi
1446         if test $large_offt = no; then
1447                 AC_MSG_WARN([No 64 bit file size support available])
1448         fi
1449
1450         dnl *****************************
1451         dnl *** Checks for libsocket  ***
1452         dnl *****************************
1453         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1454
1455         case "$host" in
1456                 *-*-*freebsd*)
1457                         dnl *****************************
1458                         dnl *** Checks for libinotify ***
1459                         dnl *****************************
1460                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1461         esac
1462
1463         dnl *******************************
1464         dnl *** Checks for MSG_NOSIGNAL ***
1465         dnl *******************************
1466         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1467         AC_TRY_COMPILE([#include <sys/socket.h>], [
1468                 int f = MSG_NOSIGNAL;
1469         ], [
1470                 # Yes, we have it...
1471                 AC_MSG_RESULT(yes)
1472                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1473         ], [
1474                 # We'll have to use signals
1475                 AC_MSG_RESULT(no)
1476         ])
1477
1478         dnl *****************************
1479         dnl *** Checks for IPPROTO_IP ***
1480         dnl *****************************
1481         AC_MSG_CHECKING(for IPPROTO_IP)
1482         AC_TRY_COMPILE([#include <netinet/in.h>], [
1483                 int level = IPPROTO_IP;
1484         ], [
1485                 # Yes, we have it...
1486                 AC_MSG_RESULT(yes)
1487                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1488         ], [
1489                 # We'll have to use getprotobyname
1490                 AC_MSG_RESULT(no)
1491         ])
1492
1493         dnl *******************************
1494         dnl *** Checks for IPPROTO_IPV6 ***
1495         dnl *******************************
1496         AC_MSG_CHECKING(for IPPROTO_IPV6)
1497         AC_TRY_COMPILE([#include <netinet/in.h>], [
1498                 int level = IPPROTO_IPV6;
1499         ], [
1500                 # Yes, we have it...
1501                 AC_MSG_RESULT(yes)
1502                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1503         ], [
1504                 # We'll have to use getprotobyname
1505                 AC_MSG_RESULT(no)
1506         ])
1507
1508         dnl ******************************
1509         dnl *** Checks for IPPROTO_TCP ***
1510         dnl ******************************
1511         AC_MSG_CHECKING(for IPPROTO_TCP)
1512         AC_TRY_COMPILE([#include <netinet/in.h>], [
1513                 int level = IPPROTO_TCP;
1514         ], [
1515                 # Yes, we have it...
1516                 AC_MSG_RESULT(yes)
1517                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1518         ], [
1519                 # We'll have to use getprotobyname
1520                 AC_MSG_RESULT(no)
1521         ])
1522
1523         dnl *****************************
1524         dnl *** Checks for SOL_IP     ***
1525         dnl *****************************
1526         AC_MSG_CHECKING(for SOL_IP)
1527         AC_TRY_COMPILE([#include <netdb.h>], [
1528                 int level = SOL_IP;
1529         ], [
1530                 # Yes, we have it...
1531                 AC_MSG_RESULT(yes)
1532                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1533         ], [
1534                 # We'll have to use getprotobyname
1535                 AC_MSG_RESULT(no)
1536         ])
1537
1538         dnl *****************************
1539         dnl *** Checks for SOL_IPV6     ***
1540         dnl *****************************
1541         AC_MSG_CHECKING(for SOL_IPV6)
1542         AC_TRY_COMPILE([#include <netdb.h>], [
1543                 int level = SOL_IPV6;
1544         ], [
1545                 # Yes, we have it...
1546                 AC_MSG_RESULT(yes)
1547                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1548         ], [
1549                 # We'll have to use getprotobyname
1550                 AC_MSG_RESULT(no)
1551         ])
1552
1553         dnl *****************************
1554         dnl *** Checks for SOL_TCP    ***
1555         dnl *****************************
1556         AC_MSG_CHECKING(for SOL_TCP)
1557         AC_TRY_COMPILE([#include <netdb.h>], [
1558                 int level = SOL_TCP;
1559         ], [
1560                 # Yes, we have it...
1561                 AC_MSG_RESULT(yes)
1562                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1563         ], [
1564                 # We'll have to use getprotobyname
1565                 AC_MSG_RESULT(no)
1566         ])
1567
1568         dnl *****************************
1569         dnl *** Checks for IP_PKTINFO ***
1570         dnl *****************************
1571         AC_MSG_CHECKING(for IP_PKTINFO)
1572         AC_TRY_COMPILE([#include <linux/in.h>], [
1573                 int level = IP_PKTINFO;
1574         ], [
1575                 # Yes, we have it...
1576                 AC_MSG_RESULT(yes)
1577                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1578         ], [
1579                 AC_MSG_RESULT(no)
1580         ])
1581
1582         dnl *****************************
1583         dnl *** Checks for IPV6_PKTINFO ***
1584         dnl *****************************
1585         AC_MSG_CHECKING(for IPV6_PKTINFO)
1586         AC_TRY_COMPILE([#include <netdb.h>], [
1587                 int level = IPV6_PKTINFO;
1588         ], [
1589                 # Yes, we have it...
1590                 AC_MSG_RESULT(yes)
1591                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1592         ], [
1593                 AC_MSG_RESULT(no)
1594         ])
1595
1596         dnl **********************************
1597         dnl *** Checks for IP_DONTFRAG     ***
1598         dnl **********************************
1599         AC_MSG_CHECKING(for IP_DONTFRAG)
1600         AC_TRY_COMPILE([#include <netinet/in.h>], [
1601                 int level = IP_DONTFRAG;
1602         ], [
1603                 # Yes, we have it...
1604                 AC_MSG_RESULT(yes)
1605                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1606         ], [
1607                 AC_MSG_RESULT(no)
1608         ])
1609
1610         dnl **********************************
1611         dnl *** Checks for IP_DONTFRAGMENT ***
1612         dnl **********************************
1613         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1614         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1615                 int level = IP_DONTFRAGMENT;
1616         ], [
1617                 # Yes, we have it...
1618                 AC_MSG_RESULT(yes)
1619                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1620         ], [
1621                 AC_MSG_RESULT(no)
1622         ])
1623
1624         dnl **********************************
1625         dnl *** Checks for IP_MTU_DISCOVER ***
1626         dnl **********************************
1627         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1628         AC_TRY_COMPILE([#include <linux/in.h>], [
1629                 int level = IP_MTU_DISCOVER;
1630         ], [
1631                 # Yes, we have it...
1632                 AC_MSG_RESULT(yes)
1633                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1634         ], [
1635                 AC_MSG_RESULT(no)
1636         ])
1637
1638         dnl **********************************
1639         dnl *** Checks for  IP_PMTUDISC_DO ***
1640         dnl **********************************
1641         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1642         AC_TRY_COMPILE([#include <linux/in.h>], [
1643                 int level = IP_PMTUDISC_DO;
1644         ], [
1645                 # Yes, we have it...
1646                 AC_MSG_RESULT(yes)
1647                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1648         ], [
1649                 AC_MSG_RESULT(no)
1650         ])
1651
1652         dnl *********************************
1653         dnl *** Check for struct ip_mreqn ***
1654         dnl *********************************
1655         AC_MSG_CHECKING(for struct ip_mreqn)
1656         AC_TRY_COMPILE([#include <netinet/in.h>], [
1657                 struct ip_mreqn mreq;
1658                 mreq.imr_address.s_addr = 0;
1659         ], [
1660                 # Yes, we have it...
1661                 AC_MSG_RESULT(yes)
1662                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1663         ], [
1664                 # We'll just have to try and use struct ip_mreq
1665                 AC_MSG_RESULT(no)
1666                 AC_MSG_CHECKING(for struct ip_mreq)
1667                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1668                         struct ip_mreq mreq;
1669                         mreq.imr_interface.s_addr = 0;
1670                 ], [
1671                         # Yes, we have it...
1672                         AC_MSG_RESULT(yes)
1673                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1674                 ], [
1675                         # No multicast support
1676                         AC_MSG_RESULT(no)
1677                 ])
1678         ])
1679
1680         dnl **********************************
1681         dnl *** Check for getaddrinfo ***
1682         dnl **********************************
1683         AC_MSG_CHECKING(for getaddrinfo)
1684                 AC_TRY_LINK([
1685                 #include <stdio.h>
1686                 #include <netdb.h>
1687         ], [
1688                 getaddrinfo(NULL,NULL,NULL,NULL);
1689         ], [
1690                 # Yes, we have it...
1691                 AC_MSG_RESULT(yes)
1692                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1693         ], [
1694                 AC_MSG_RESULT(no)
1695         ])
1696
1697         dnl **********************************
1698         dnl *** Check for gethostbyname2_r ***
1699         dnl **********************************
1700         AC_MSG_CHECKING(for gethostbyname2_r)
1701                 AC_TRY_LINK([
1702                 #include <stdio.h>
1703                 #include <netdb.h>
1704         ], [
1705
1706                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1707         ], [
1708                 # Yes, we have it...
1709                 AC_MSG_RESULT(yes)
1710                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1711         ], [
1712                 AC_MSG_RESULT(no)
1713         ])
1714
1715         dnl **********************************
1716         dnl *** Check for gethostbyname2 ***
1717         dnl **********************************
1718         AC_MSG_CHECKING(for gethostbyname2)
1719                 AC_TRY_LINK([
1720                 #include <stdio.h>
1721                 #include <netdb.h>
1722         ], [
1723                 gethostbyname2(NULL,0);
1724         ], [
1725                 # Yes, we have it...
1726                 AC_MSG_RESULT(yes)
1727                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1728         ], [
1729                 AC_MSG_RESULT(no)
1730         ])
1731
1732         dnl **********************************
1733         dnl *** Check for gethostbyname ***
1734         dnl **********************************
1735         AC_MSG_CHECKING(for gethostbyname)
1736                 AC_TRY_LINK([
1737                 #include <stdio.h>
1738                 #include <netdb.h>
1739         ], [
1740                 gethostbyname(NULL);
1741         ], [
1742                 # Yes, we have it...
1743                 AC_MSG_RESULT(yes)
1744                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1745         ], [
1746                 AC_MSG_RESULT(no)
1747         ])
1748
1749         dnl **********************************
1750         dnl *** Check for getprotobyname ***
1751         dnl **********************************
1752         AC_MSG_CHECKING(for getprotobyname)
1753                 AC_TRY_LINK([
1754                 #include <stdio.h>
1755                 #include <netdb.h>
1756         ], [
1757                 getprotobyname(NULL);
1758         ], [
1759                 # Yes, we have it...
1760                 AC_MSG_RESULT(yes)
1761                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1762         ], [
1763                 AC_MSG_RESULT(no)
1764         ])
1765
1766         dnl **********************************
1767         dnl *** Check for getnameinfo ***
1768         dnl **********************************
1769         AC_MSG_CHECKING(for getnameinfo)
1770                 AC_TRY_LINK([
1771                 #include <stdio.h>
1772                 #include <netdb.h>
1773         ], [
1774                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1775         ], [
1776                 # Yes, we have it...
1777                 AC_MSG_RESULT(yes)
1778                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1779         ], [
1780                 AC_MSG_RESULT(no)
1781         ])
1782
1783
1784         dnl **********************************
1785         dnl *** Check for inet_ntop ***
1786         dnl **********************************
1787         AC_MSG_CHECKING(for inet_ntop)
1788                 AC_TRY_LINK([
1789                 #include <stdio.h>
1790                 #include <arpa/inet.h>
1791         ], [
1792                 inet_ntop (0, NULL, NULL, 0);
1793         ], [
1794                 # Yes, we have it...
1795                 AC_MSG_RESULT(yes)
1796                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1797         ], [
1798                 AC_MSG_RESULT(no)
1799         ])
1800
1801         dnl *****************************
1802         dnl *** Checks for libnsl     ***
1803         dnl *****************************
1804         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1805
1806         AC_CHECK_FUNCS(inet_pton inet_aton)
1807
1808         dnl *****************************
1809         dnl *** Checks for libxnet    ***
1810         dnl *****************************
1811         case "${host}" in
1812                 *solaris* )
1813                         AC_MSG_CHECKING(for Solaris XPG4 support)
1814                         if test -f /usr/lib/libxnet.so; then
1815                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1816                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1817                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1818                                 LIBS="$LIBS -lxnet"
1819                                 AC_MSG_RESULT(yes)
1820                         else
1821                                 AC_MSG_RESULT(no)
1822                         fi
1823
1824                         if test "$GCC" = "yes"; then
1825                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1826                         fi
1827                 ;;
1828         esac
1829
1830         dnl *****************************
1831         dnl *** Checks for libpthread ***
1832         dnl *****************************
1833 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1834 # and libpthread does not exist
1835 #
1836         case "${host}" in
1837                 *-*-*freebsd*)
1838                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1839                 ;;
1840                 *-*-*openbsd*)
1841                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1842                 ;;
1843                 *)
1844                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1845                 ;;
1846         esac
1847         AC_CHECK_HEADERS(pthread.h)
1848         AC_CHECK_HEADERS(pthread_np.h)
1849         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1850         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1851         AC_CHECK_FUNCS(pthread_kill)
1852         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1853         AC_TRY_COMPILE([ #include <pthread.h>], [
1854                 pthread_mutexattr_t attr;
1855                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1856         ], [
1857                 AC_MSG_RESULT(ok)
1858         ], [
1859                 AC_MSG_RESULT(no)
1860                 AC_ERROR(Posix system lacks support for recursive mutexes)
1861         ])
1862         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1863         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1864         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1865
1866         dnl **********************************
1867         dnl *** Check for mincore ***
1868         dnl **********************************
1869         AC_MSG_CHECKING(for mincore)
1870                 AC_TRY_LINK([
1871                 #include <stdio.h>
1872                 #include <sys/types.h>
1873                 #include <sys/mman.h>
1874         ], [
1875                 mincore(NULL, 0, NULL);
1876         ], [
1877                 # Yes, we have it...
1878                 AC_MSG_RESULT(yes)
1879                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1880         ], [
1881                 AC_MSG_RESULT(no)
1882         ])
1883
1884         dnl ***********************************
1885         dnl *** Checks for working __thread ***
1886         dnl ***********************************
1887         AC_MSG_CHECKING(for working __thread)
1888         if test "x$with_tls" != "x__thread"; then
1889                 AC_MSG_RESULT(disabled)
1890         elif test "x$cross_compiling" = "xyes"; then
1891                 AC_MSG_RESULT(cross compiling, assuming yes)
1892         else
1893                 AC_TRY_RUN([
1894                         #if defined(__APPLE__) && defined(__clang__)
1895                         #error "__thread does not currently work with clang on Mac OS X"
1896                         #endif
1897
1898                         #include <pthread.h>
1899                         __thread int i;
1900                         static int res1, res2;
1901
1902                         void thread_main (void *arg)
1903                         {
1904                                 i = arg;
1905                                 sleep (1);
1906                                 if (arg == 1)
1907                                         res1 = (i == arg);
1908                                 else
1909                                         res2 = (i == arg);
1910                         }
1911
1912                         int main () {
1913                                 pthread_t t1, t2;
1914
1915                                 i = 5;
1916
1917                                 pthread_create (&t1, NULL, thread_main, 1);
1918                                 pthread_create (&t2, NULL, thread_main, 2);
1919
1920                                 pthread_join (t1, NULL);
1921                                 pthread_join (t2, NULL);
1922
1923                                 return !(res1 + res2 == 2);
1924                         }
1925                 ], [
1926                                 AC_MSG_RESULT(yes)
1927                 ], [
1928                                 AC_MSG_RESULT(no)
1929                                 with_tls=pthread
1930                 ])
1931         fi
1932
1933         dnl **************************************
1934         dnl *** Checks for working sigaltstack ***
1935         dnl **************************************
1936         AC_MSG_CHECKING(for working sigaltstack)
1937         if test "x$with_sigaltstack" != "xyes"; then
1938                 AC_MSG_RESULT(disabled)
1939         elif test "x$cross_compiling" = "xyes"; then
1940                 AC_MSG_RESULT(cross compiling, assuming yes)
1941         else
1942                 AC_TRY_RUN([
1943                         #include <stdio.h>
1944                         #include <stdlib.h>
1945                         #include <unistd.h>
1946                         #include <signal.h>
1947                         #include <pthread.h>
1948                         #include <sys/wait.h>
1949                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1950                         #define SA_STACK SA_ONSTACK
1951                         #endif
1952                         static void
1953                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1954                         {
1955                                 exit (0);
1956                         }
1957
1958                         volatile char*__ptr = NULL;
1959                         static void *
1960                         loop (void *ignored)
1961                         {
1962                                 *__ptr = 0;
1963                                 return NULL;
1964                         }
1965
1966                         static void
1967                         child ()
1968                         {
1969                                 struct sigaction sa;
1970                         #ifdef __APPLE__
1971                                 stack_t sas;
1972                         #else
1973                                 struct sigaltstack sas;
1974                         #endif
1975                                 pthread_t id;
1976                                 pthread_attr_t attr;
1977
1978                                 sa.sa_sigaction = sigsegv_signal_handler;
1979                                 sigemptyset (&sa.sa_mask);
1980                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1981                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1982                                         perror ("sigaction");
1983                                         return;
1984                                 }
1985
1986                                 /* x86 darwin deliver segfaults using SIGBUS */
1987                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1988                                         perror ("sigaction");
1989                                         return;
1990                                 }
1991                                 sas.ss_sp = malloc (SIGSTKSZ);
1992                                 sas.ss_size = SIGSTKSZ;
1993                                 sas.ss_flags = 0;
1994                                 if (sigaltstack (&sas, NULL) == -1) {
1995                                         perror ("sigaltstack");
1996                                         return;
1997                                 }
1998
1999                                 pthread_attr_init (&attr);
2000                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2001                                         printf ("pthread_create\n");
2002                                         return;
2003                                 }
2004
2005                                 sleep (100);
2006                         }
2007
2008                         int
2009                         main ()
2010                         {
2011                                 pid_t son;
2012                                 int status;
2013                                 int i;
2014
2015                                 son = fork ();
2016                                 if (son == -1) {
2017                                         return 1;
2018                                 }
2019
2020                                 if (son == 0) {
2021                                         child ();
2022                                         return 0;
2023                                 }
2024
2025                                 for (i = 0; i < 300; ++i) {
2026                                         waitpid (son, &status, WNOHANG);
2027                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2028                                                 return 0;
2029                                         usleep (10000);
2030                                 }
2031
2032                                 kill (son, SIGKILL);
2033                                 return 1;
2034                         }
2035
2036                 ], [
2037                                 AC_MSG_RESULT(yes)
2038                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2039                 ], [
2040                                 with_sigaltstack=no
2041                                 AC_MSG_RESULT(no)
2042                 ])
2043         fi
2044
2045         dnl ********************************
2046         dnl *** Checks for semaphore lib ***
2047         dnl ********************************
2048         # 'Real Time' functions on Solaris
2049         # posix4 on Solaris 2.6
2050         # pthread (first!) on Linux
2051         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2052
2053         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2054         AC_CHECK_FUNCS(shm_open)
2055
2056         dnl ********************************
2057         dnl *** Checks for timezone stuff **
2058         dnl ********************************
2059         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2060                 AC_TRY_COMPILE([
2061                         #include <time.h>
2062                         ], [
2063                         struct tm tm;
2064                         tm.tm_gmtoff = 1;
2065                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2066         if test $ac_cv_struct_tm_gmtoff = yes; then
2067                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2068         else
2069                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2070                         AC_TRY_COMPILE([
2071                                 #include <time.h>
2072                         ], [
2073                                 timezone = 1;
2074                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2075                 if test $ac_cv_var_timezone = yes; then
2076                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2077                 else
2078                         AC_ERROR(unable to find a way to determine timezone)
2079                 fi
2080         fi
2081
2082         dnl *********************************
2083         dnl *** Checks for math functions ***
2084         dnl *********************************
2085         AC_SEARCH_LIBS(sqrtf, m)
2086         if test "x$has_broken_apple_cpp" != "xyes"; then
2087                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2088                         AC_TRY_LINK([#include <math.h>],
2089                         [ finite(0.0); ],
2090                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2091                         AC_MSG_RESULT(no)))
2092         fi
2093         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2094                 AC_TRY_LINK([#include <math.h>],
2095                 [ isfinite(0.0); ],
2096                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2097                 AC_MSG_RESULT(no)))
2098
2099         dnl ****************************************************************
2100         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2101         dnl *** have it in the library (duh))                            ***
2102         dnl ****************************************************************
2103         AC_CHECK_FUNCS(poll)
2104
2105         dnl *************************
2106         dnl *** Check for signbit ***
2107         dnl *************************
2108         AC_MSG_CHECKING(for signbit)
2109         AC_TRY_LINK([#include <math.h>], [
2110                 int s = signbit(1.0);
2111         ], [
2112                 AC_MSG_RESULT(yes)
2113                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2114         ], [
2115                 AC_MSG_RESULT(no)
2116         ])
2117
2118         dnl **********************************
2119         dnl *** epoll                      ***
2120         dnl **********************************
2121         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2122                 AC_CHECK_HEADERS(sys/epoll.h)
2123                 haveepoll=no
2124                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2125                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2126                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2127                 fi
2128         fi
2129
2130         havekqueue=no
2131
2132         AC_CHECK_HEADERS(sys/event.h)
2133         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2134
2135         dnl **************************************
2136         dnl * Darwin has a race that prevents us from using reliably:
2137         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2138         dnl * Since kqueue is mostly used for scaling large web servers,
2139         dnl * and very few folks run Mono on large web servers on OSX, falling
2140         dnl * back
2141         dnl **************************************
2142         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2143                 if test "x$host_darwin" = "xno"; then
2144                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2145                 fi
2146         fi
2147
2148         dnl ******************************
2149         dnl *** Checks for SIOCGIFCONF ***
2150         dnl ******************************
2151         AC_CHECK_HEADERS(sys/ioctl.h)
2152         AC_CHECK_HEADERS(net/if.h, [], [],
2153            [
2154            #ifdef HAVE_SYS_TYPES_H
2155            # include <sys/types.h>
2156            #endif
2157            #ifdef HAVE_SYS_SOCKET_H
2158            # include <sys/socket.h>
2159            #endif
2160            ])
2161         AC_MSG_CHECKING(for ifreq)
2162         AC_TRY_COMPILE([
2163                 #include <stdio.h>
2164                 #include <sys/ioctl.h>
2165                 #include <net/if.h>
2166                 ], [
2167                 struct ifconf ifc;
2168                 struct ifreq *ifr;
2169                 void *x;
2170                 ifc.ifc_len = 0;
2171                 ifc.ifc_buf = NULL;
2172                 x = (void *) &ifr->ifr_addr;
2173                 ],[
2174                         AC_MSG_RESULT(yes)
2175                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2176                 ], [
2177                         AC_MSG_RESULT(no)
2178                 ])
2179         dnl **********************************
2180         dnl ***     Checks for sin_len     ***
2181         dnl **********************************
2182         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2183         AC_TRY_COMPILE([
2184                 #include <netinet/in.h>
2185                 ], [
2186                 struct sockaddr_in saddr;
2187                 saddr.sin_len = sizeof (saddr);
2188                 ],[
2189                         AC_MSG_RESULT(yes)
2190                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2191                 ], [
2192                         AC_MSG_RESULT(no)
2193                 ])
2194         dnl **********************************
2195         dnl ***    Checks for sin6_len     ***
2196         dnl **********************************
2197         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2198         AC_TRY_COMPILE([
2199                 #include <netinet/in.h>
2200                 ], [
2201                 struct sockaddr_in6 saddr6;
2202                 saddr6.sin6_len = sizeof (saddr6);
2203                 ],[
2204                         AC_MSG_RESULT(yes)
2205                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2206                 ], [
2207                         AC_MSG_RESULT(no)
2208                 ])
2209         dnl **********************************
2210         dnl *** Check for getifaddrs       ***
2211         dnl **********************************
2212         AC_MSG_CHECKING(for getifaddrs)
2213                 AC_TRY_LINK([
2214                 #include <stdio.h>
2215                 #include <sys/types.h>
2216                 #include <sys/socket.h>
2217                 #include <ifaddrs.h>
2218         ], [
2219                 getifaddrs(NULL);
2220         ], [
2221                 # Yes, we have it...
2222                 AC_MSG_RESULT(yes)
2223                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2224         ], [
2225                 AC_MSG_RESULT(no)
2226         ])
2227         dnl **********************************
2228         dnl *** Check for if_nametoindex   ***
2229         dnl **********************************
2230         AC_MSG_CHECKING(for if_nametoindex)
2231                 AC_TRY_LINK([
2232                 #include <stdio.h>
2233                 #include <sys/types.h>
2234                 #include <sys/socket.h>
2235                 #include <net/if.h>
2236         ], [
2237                 if_nametoindex(NULL);
2238         ], [
2239                 # Yes, we have it...
2240                 AC_MSG_RESULT(yes)
2241                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2242         ], [
2243                 AC_MSG_RESULT(no)
2244         ])
2245
2246         dnl **********************************
2247         dnl *** Checks for MonoPosixHelper ***
2248         dnl **********************************
2249         AC_CHECK_HEADERS(checklist.h)
2250         AC_CHECK_HEADERS(pathconf.h)
2251         AC_CHECK_HEADERS(fstab.h)
2252         AC_CHECK_HEADERS(attr/xattr.h)
2253         AC_CHECK_HEADERS(sys/extattr.h)
2254         AC_CHECK_HEADERS(sys/sendfile.h)
2255         AC_CHECK_HEADERS(sys/statvfs.h)
2256         AC_CHECK_HEADERS(sys/statfs.h)
2257         AC_CHECK_HEADERS(sys/vfstab.h)
2258         AC_CHECK_HEADERS(sys/xattr.h)
2259         AC_CHECK_HEADERS(sys/mman.h)
2260         AC_CHECK_HEADERS(sys/param.h)
2261         AC_CHECK_HEADERS(sys/mount.h, [], [],
2262                 [
2263                 #ifdef HAVE_SYS_PARAM_H
2264                 # include <sys/param.h>
2265                 #endif
2266                 ])
2267         AC_CHECK_HEADERS(sys/mount.h)
2268         AC_CHECK_FUNCS(confstr)
2269         AC_CHECK_FUNCS(seekdir telldir)
2270         AC_CHECK_FUNCS(getdomainname)
2271         AC_CHECK_FUNCS(setdomainname)
2272         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2273         AC_CHECK_FUNCS(setgroups)
2274         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2275         AC_CHECK_FUNCS(getfsstat)
2276         AC_CHECK_FUNCS(lutimes futimes)
2277         AC_CHECK_FUNCS(mremap)
2278         AC_CHECK_FUNCS(remap_file_pages)
2279         AC_CHECK_FUNCS(posix_fadvise)
2280         AC_CHECK_FUNCS(posix_fallocate)
2281         AC_CHECK_FUNCS(posix_madvise)
2282         AC_CHECK_FUNCS(vsnprintf)
2283         AC_CHECK_FUNCS(sendfile)
2284         AC_CHECK_FUNCS(gethostid sethostid)
2285         AC_CHECK_FUNCS(sethostname)
2286         AC_CHECK_FUNCS(statfs)
2287         AC_CHECK_FUNCS(fstatfs)
2288         AC_CHECK_FUNCS(statvfs)
2289         AC_CHECK_FUNCS(fstatvfs)
2290         AC_CHECK_FUNCS(stime)
2291         AC_CHECK_FUNCS(strerror_r)
2292         AC_CHECK_FUNCS(ttyname_r)
2293         AC_CHECK_FUNCS(psignal)
2294         AC_CHECK_FUNCS(getlogin_r)
2295         AC_CHECK_FUNCS(lockf)
2296         AC_CHECK_FUNCS(swab)
2297         AC_CHECK_FUNCS(setusershell endusershell)
2298         AC_CHECK_FUNCS(futimens utimensat)
2299         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2300         AC_CHECK_FUNCS(readv writev preadv pwritev)
2301         AC_CHECK_FUNCS(setpgid)
2302         AC_CHECK_FUNCS(system)
2303         AC_CHECK_FUNCS(fork execv execve)
2304         AC_CHECK_FUNCS(accept4)
2305         AC_CHECK_SIZEOF(size_t)
2306         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2307                 [#include <sys/types.h>
2308                  #include <sys/stat.h>
2309                  #include <unistd.h>])
2310         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2311                 [#include <sys/types.h>
2312                  #include <sys/stat.h>
2313                  #include <unistd.h>])
2314         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2315                 [#include <sys/time.h>])
2316         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2317                 [#include <sys/socket.h>])
2318         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2319                 [#include <unistd.h>
2320                  #include <fcntl.h>])
2321         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2322                 [#include <sys/uio.h>])
2323         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2324                 [#include <sys/socket.h>])
2325         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2326                 [#include <sys/poll.h>])
2327         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2328                 [#include <sys/socket.h>])
2329         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2330                 [#include <sys/socket.h>])
2331         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2332                 [#include <netinet/in.h>])
2333         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2334                 [#include <netinet/in.h>])
2335         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2336                 [#include <sys/un.h>])
2337         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2338                 [#include <sys/types.h>
2339                  #include <sys/stat.h>
2340                  #include <unistd.h>])
2341         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2342                 [#include <time.h>])
2343         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2344                 [#include <sys/time.h>
2345                  #include <sys/types.h>
2346                  #include <utime.h>])
2347         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2348                 [#include <sys/time.h>])
2349         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2350                 [#include <sys/types.h>
2351                  #include <utime.h>])
2352         AC_CHECK_MEMBERS(
2353                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2354                 [#include <sys/types.h>
2355                  #include <dirent.h>])
2356         AC_CHECK_MEMBERS(
2357                 [struct passwd.pw_gecos],,,
2358                 [#include <sys/types.h>
2359                  #include <pwd.h>])
2360         AC_CHECK_MEMBERS(
2361                 [struct statfs.f_flags],,,
2362                 [#include <sys/types.h>
2363                  #include <sys/vfs.h>])
2364         AC_CHECK_MEMBERS(
2365                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2366                 [#include <sys/types.h>
2367                  #include <sys/stat.h>
2368                  #include <unistd.h>])
2369
2370         dnl Favour xattr through glibc, but use libattr if we have to
2371         AC_CHECK_FUNC(lsetxattr, ,
2372                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2373         )
2374         AC_SUBST(XATTR_LIB)
2375
2376         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2377         AC_CHECK_MEMBERS(
2378                 [struct kinfo_proc.kp_proc],,,
2379                 [#include <sys/types.h>
2380                  #include <sys/param.h>
2381                  #include <sys/sysctl.h>
2382                  #include <sys/proc.h>
2383                  ])
2384
2385         dnl *********************************
2386         dnl *** Checks for Windows compilation ***
2387         dnl *********************************
2388         AC_CHECK_HEADERS(sys/time.h)
2389         AC_CHECK_HEADERS(sys/param.h)
2390         AC_CHECK_HEADERS(dirent.h)
2391
2392         dnl ******************************************
2393         dnl *** Checks for OSX and iOS compilation ***
2394         dnl ******************************************
2395         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2396
2397         dnl *********************************
2398         dnl *** Check for Console 2.0 I/O ***
2399         dnl *********************************
2400         AC_CHECK_HEADERS([curses.h])
2401         AC_CHECK_HEADERS([term.h], [], [],
2402         [#if HAVE_CURSES_H
2403          #include <curses.h>
2404          #endif
2405         ])
2406         AC_CHECK_HEADERS([termios.h])
2407 else
2408         dnl *********************************
2409         dnl *** Checks for Windows compilation ***
2410         dnl *********************************
2411         AC_CHECK_HEADERS(winternl.h)
2412
2413         jdk_headers_found=no
2414         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2415         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2416         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2417         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2418         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2419         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2420         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2421
2422         dnl *********************************
2423         dnl *** Check for struct ip_mreqn ***
2424         dnl *********************************
2425         AC_MSG_CHECKING(for struct ip_mreqn)
2426         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2427                 struct ip_mreqn mreq;
2428                 mreq.imr_address.s_addr = 0;
2429         ], [
2430                 # Yes, we have it...
2431                 AC_MSG_RESULT(yes)
2432                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2433         ], [
2434                 # We'll just have to try and use struct ip_mreq
2435                 AC_MSG_RESULT(no)
2436                 AC_MSG_CHECKING(for struct ip_mreq)
2437                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2438                         struct ip_mreq mreq;
2439                         mreq.imr_interface.s_addr = 0;
2440                 ], [
2441                         # Yes, we have it...
2442                         AC_MSG_RESULT(yes)
2443                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2444                 ], [
2445                         # No multicast support
2446                         AC_MSG_RESULT(no)
2447                 ])
2448         ])
2449
2450         dnl **********************************
2451         dnl *** Check for getaddrinfo ***
2452         dnl **********************************
2453         AC_MSG_CHECKING(for getaddrinfo)
2454                 AC_TRY_LINK([
2455                 #include <stdio.h>
2456                 #include <winsock2.h>
2457                 #include <ws2tcpip.h>
2458         ], [
2459                 getaddrinfo(NULL,NULL,NULL,NULL);
2460         ], [
2461                 # Yes, we have it...
2462                 AC_MSG_RESULT(yes)
2463                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2464         ], [
2465                 AC_MSG_RESULT(no)
2466         ])
2467
2468         dnl **********************************
2469         dnl *** Check for gethostbyname ***
2470         dnl **********************************
2471         AC_MSG_CHECKING(for gethostbyname)
2472                 AC_TRY_LINK([
2473                 #include <stdio.h>
2474                 #include <winsock2.h>
2475                 #include <ws2tcpip.h>
2476         ], [
2477                 gethostbyname(NULL);
2478         ], [
2479                 # Yes, we have it...
2480                 AC_MSG_RESULT(yes)
2481                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2482         ], [
2483                 AC_MSG_RESULT(no)
2484         ])
2485
2486         dnl **********************************
2487         dnl *** Check for getprotobyname ***
2488         dnl **********************************
2489         AC_MSG_CHECKING(for getprotobyname)
2490                 AC_TRY_LINK([
2491                 #include <stdio.h>
2492                 #include <winsock2.h>
2493                 #include <ws2tcpip.h>
2494         ], [
2495                 getprotobyname(NULL);
2496         ], [
2497                 # Yes, we have it...
2498                 AC_MSG_RESULT(yes)
2499                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2500         ], [
2501                 AC_MSG_RESULT(no)
2502         ])
2503
2504         dnl **********************************
2505         dnl *** Check for getnameinfo ***
2506         dnl **********************************
2507         AC_MSG_CHECKING(for getnameinfo)
2508                 AC_TRY_LINK([
2509                 #include <stdio.h>
2510                 #include <winsock2.h>
2511                 #include <ws2tcpip.h>
2512         ], [
2513                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2514         ], [
2515                 # Yes, we have it...
2516                 AC_MSG_RESULT(yes)
2517                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2518         ], [
2519                 AC_MSG_RESULT(no)
2520         ])
2521
2522         dnl **********************************
2523         dnl *** Check for inet_ntop ***
2524         dnl **********************************
2525         AC_MSG_CHECKING(for inet_ntop)
2526                 AC_TRY_LINK([
2527                 #include <stdio.h>
2528                 #include <winsock2.h>
2529                 #include <ws2tcpip.h>
2530         ], [
2531                 inet_ntop (0, NULL, NULL, 0);
2532         ], [
2533                 # Yes, we have it...
2534                 AC_MSG_RESULT(yes)
2535                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2536         ], [
2537                 AC_MSG_RESULT(no)
2538         ])
2539
2540         dnl **********************************
2541         dnl *** Check for inet_pton ***
2542         dnl **********************************
2543         AC_MSG_CHECKING(for inet_pton)
2544                 AC_TRY_LINK([
2545                 #include <stdio.h>
2546                 #include <winsock2.h>
2547                 #include <ws2tcpip.h>
2548         ], [
2549                 #ifndef inet_pton
2550                 (void) inet_pton;
2551                 #endif
2552                 inet_pton (0, NULL, NULL);
2553         ], [
2554                 # Yes, we have it...
2555                 AC_MSG_RESULT(yes)
2556                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2557         ], [
2558                 AC_MSG_RESULT(no)
2559         ])
2560
2561         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2562         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2563         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2564         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2565         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2566         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2567         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2568 fi
2569
2570 dnl socklen_t check
2571 AC_MSG_CHECKING(for socklen_t)
2572 AC_TRY_COMPILE([
2573 #include <sys/types.h>
2574 #include <sys/socket.h>
2575 ],[
2576   socklen_t foo;
2577 ],[
2578 ac_cv_c_socklen_t=yes
2579         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2580         AC_MSG_RESULT(yes)
2581 ],[
2582         AC_MSG_RESULT(no)
2583 ])
2584
2585 AC_MSG_CHECKING(for array element initializer support)
2586 AC_TRY_COMPILE([#include <sys/socket.h>], [
2587         const int array[] = {[1] = 2,};
2588 ], [
2589         # Yes, we have it...
2590         AC_MSG_RESULT(yes)
2591         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2592 ], [
2593         # We'll have to use signals
2594         AC_MSG_RESULT(no)
2595 ])
2596
2597 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2598         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2599         AC_TRY_LINK([#include <math.h>],
2600         [ static void *p = &trunc; ],
2601         [
2602                 AC_DEFINE(HAVE_TRUNC)
2603                 AC_MSG_RESULT(yes)
2604                 ac_cv_trunc=yes
2605         ],
2606         AC_MSG_RESULT(no)))
2607
2608 if test "x$ac_cv_truncl" != "xyes"; then
2609    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2610 fi
2611
2612 AC_CHECK_FUNCS(execvp)
2613
2614 dnl ****************************
2615 dnl *** Look for /dev/random ***
2616 dnl ****************************
2617
2618 AC_MSG_CHECKING([if usage of random device is requested])
2619 AC_ARG_ENABLE(dev-random,
2620 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2621 try_dev_random=$enableval, try_dev_random=yes)
2622
2623 AC_MSG_RESULT($try_dev_random)
2624
2625 case "{$build}" in
2626     *-openbsd*)
2627     NAME_DEV_RANDOM="/dev/srandom"
2628     ;;
2629
2630 dnl Win32 does not have /dev/random, they have their own method...
2631
2632     *-mingw*|*-*-cygwin*)
2633     ac_cv_have_dev_random=no
2634     ;;
2635
2636 dnl Everywhere else, it's /dev/random
2637
2638     *)
2639     NAME_DEV_RANDOM="/dev/random"
2640     ;;
2641 esac
2642
2643 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2644
2645 dnl Now check if the device actually exists
2646
2647 if test "x$try_dev_random" = "xyes"; then
2648     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2649     [if test -r "$NAME_DEV_RANDOM" ; then
2650         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2651     if test "x$ac_cv_have_dev_random" = "xyes"; then
2652         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2653     fi
2654 else
2655     AC_MSG_CHECKING(for random device)
2656     ac_cv_have_dev_random=no
2657     AC_MSG_RESULT(has been disabled)
2658 fi
2659
2660 if test "x$host_win32" = "xyes"; then
2661     AC_DEFINE(HAVE_CRYPT_RNG)
2662 fi
2663
2664 if test "x$ac_cv_have_dev_random" = "xno" \
2665     && test "x$host_win32" = "xno"; then
2666     AC_MSG_WARN([[
2667 ***
2668 *** A system-provided entropy source was not found on this system.
2669 *** Because of this, the System.Security.Cryptography random number generator
2670 *** will throw a NotImplemented exception.
2671 ***
2672 *** If you are seeing this message, and you know your system DOES have an
2673 *** entropy collection in place, please contact <crichton@gimp.org> and
2674 *** provide information about the system and how to access the random device.
2675 ***
2676 *** Otherwise you can install either egd or prngd and set the environment
2677 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2678 ***]])
2679 fi
2680
2681 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2682
2683 AC_MSG_CHECKING([if big-arrays are to be enabled])
2684 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2685 if test "x$enable_big_arrays" = "xyes" ; then
2686     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2687         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2688     else
2689         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2690     fi
2691 fi
2692 AC_MSG_RESULT($enable_big_arrays)
2693
2694 dnl **************
2695 dnl *** DTRACE ***
2696 dnl **************
2697
2698 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2699
2700 if test "x$enable_dtrace" = "xyes"; then
2701    if test "x$has_dtrace" = "xno"; then
2702           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2703    fi
2704    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2705    if test "x$DTRACE" = "xno"; then
2706           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2707           enable_dtrace=no
2708    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2709           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2710           enable_dtrace=no
2711    fi
2712 fi
2713
2714 dtrace_g=no
2715 if test "x$enable_dtrace" = "xyes"; then
2716         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2717         DTRACEFLAGS=
2718         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2719                 case "$host" in
2720                         powerpc-*-darwin*)
2721                         DTRACEFLAGS="-arch ppc64"
2722                         ;;
2723                         i*86-*-darwin*)
2724                         DTRACEFLAGS="-arch x86_64"
2725                         ;;
2726                         *)
2727                         DTRACEFLAGS=-64
2728                         ;;
2729                 esac
2730         else
2731                 case "$host" in
2732                         powerpc-*-darwin*)
2733                         DTRACEFLAGS="-arch ppc"
2734                         ;;
2735                         i*86-*-darwin*)
2736                         DTRACEFLAGS="-arch i386"
2737                         ;;
2738                         *)
2739                         DTRACEFLAGS=-32
2740                         ;;
2741                 esac
2742         fi
2743         AC_SUBST(DTRACEFLAGS)
2744         case "$host" in
2745                 *-*-solaris*)
2746                 dtrace_g=yes
2747                 ;;
2748         esac
2749         AC_CHECK_HEADERS([sys/sdt.h])
2750 fi
2751 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2752 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2753
2754 dnl **************
2755 dnl ***  NaCl  ***
2756 dnl **************
2757
2758 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2759 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2760
2761 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2762
2763 dnl
2764 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2765 dnl
2766 nacl_self_host=""
2767 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2768    nacl_self_host="nacl_self_host"
2769 fi
2770 AC_SUBST(nacl_self_host)
2771
2772 if test "x$enable_nacl_codegen" = "xyes"; then
2773    MONO_NACL_ALIGN_MASK_OFF=1
2774    AC_DEFINE(TARGET_NACL, 1, [...])
2775    AC_DEFINE(__native_client_codegen__, 1, [...])
2776 fi
2777 if test "x$enable_nacl_gc" = "xyes"; then
2778    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2779       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2780    else
2781       # Not yet implemented
2782       INSTRUMENT_CFLAG=""
2783    fi
2784    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2785 fi
2786 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2787
2788 dnl **************************
2789 dnl *** AOT cross offsets  ***
2790 dnl **************************
2791
2792 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2793     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2794
2795 dnl **************
2796 dnl ***  LLVM  ***
2797 dnl **************
2798
2799 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2800 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2801 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2802 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2803
2804 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2805
2806 if test "x$enable_llvm" = "xdefault"; then
2807    enable_llvm=$enable_llvm_default
2808 fi
2809
2810 if test "x$enable_llvm" = "xyes"; then
2811    if test "x$with_llvm" != "x"; then
2812           LLVM_CONFIG=$with_llvm/bin/llvm-config
2813           if test x$host_win32 = xyes; then
2814                 LLVM_CONFIG=$LLVM_CONFIG.exe
2815           fi
2816           if test ! -x $LLVM_CONFIG; then
2817                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2818       fi
2819    else
2820       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2821       if test "x$LLVM_CONFIG" = "xno"; then
2822              AC_MSG_ERROR([llvm-config not found.])
2823       fi
2824    fi
2825
2826    llvm_codegen="x86codegen"
2827    case "$target" in
2828    arm*)
2829                 llvm_codegen="armcodegen"
2830                 ;;
2831    esac
2832
2833    if test "x$host_win32" = "xno"; then
2834
2835    # Should be something like '2.6' or '2.7svn'
2836    llvm_version=`$LLVM_CONFIG --version`
2837    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2838    AC_MSG_CHECKING(LLVM version)
2839    AC_MSG_RESULT($llvm_version $llvm_api_version)
2840    if echo $llvm_version | grep -q 'mono'; then
2841           if test "x$enable_llvm_version_check" = "xyes"; then
2842                  if test "$llvm_version" != "$expected_llvm_version"; then
2843                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2844                  fi
2845           fi
2846    else
2847           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.])
2848    fi
2849
2850    # The output of --cflags seems to include optimizations flags too
2851    if test $llvm_api_version -gt 100; then
2852           # The --cflags argument includes all kinds of warnings -pendantic etc.
2853           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2854           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2855    else
2856           LLVM_CFLAGS=`$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'`
2857       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2858    fi
2859    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2860    # from LLVM classes.
2861    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2862    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2863    # This might include empty lines
2864    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2865    llvm_jit_supported=yes
2866    llvm_jit_libs="jit mcjit $llvm_codegen"
2867    if test "x$host" != "x$target"; then
2868       # No need for jit libs
2869           llvm_jit_supported=no
2870       llvm_jit_libs=""
2871    elif test $llvm_api_version -gt 100; then
2872       llvm_jit_libs="orcjit $llvm_codegen"
2873    fi
2874    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2875    if test "x$LLVM_LIBS" = "x"; then
2876           echo "$LLVM_CONFIG --libs failed."
2877           exit 1
2878    fi
2879    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2880    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2881    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2882       LLVM_LIBS="$LLVM_LIBS -lc++"
2883    else
2884       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2885    fi
2886
2887    expected_llvm_version="3.4svn-mono-mono/e656cac"
2888
2889    else
2890        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2891        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2892        LLVM_LDFLAGS="-L$with_llvm/lib"
2893        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2894        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2895          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2896          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2897          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2898          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2899          -lLLVMAnalysis -lLLVMTarget \
2900          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2901          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2902          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2903          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2904          -lLLVMSupport -lstdc++"
2905        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2906
2907        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2908        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2909    fi
2910
2911    if test "x$llvm_api_version" = "x"; then
2912           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2913           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2914    else
2915           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2916           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2917    fi
2918
2919    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2920
2921    AC_SUBST(LLVM_CFLAGS)
2922    AC_SUBST(LLVM_CXXFLAGS)
2923    AC_SUBST(LLVM_LIBS)
2924    AC_SUBST(LLVM_LDFLAGS)
2925    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2926 fi
2927
2928 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2929 if test "x$enable_loadedllvm" = "xyes"; then
2930    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2931 fi
2932 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2933
2934 if test "x$enable_llvm" = "xyes"; then
2935    enable_llvm_runtime=yes
2936 fi
2937 if test "x$enable_llvm_runtime" = "xyes"; then
2938    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2939 fi
2940 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2941
2942 TARGET="unknown"
2943 ACCESS_UNALIGNED="yes"
2944
2945 LIBC="libc.so.6"
2946 INTL="libc.so.6"
2947 SQLITE="libsqlite.so.0"
2948 SQLITE3="libsqlite3.so.0"
2949 X11="libX11.so"
2950 GDKX11="libgdk-x11-2.0.so.0"
2951 GTKX11="libgtk-x11-2.0.so.0"
2952 XINERAMA="libXinerama.so.1"
2953
2954 sizeof_register="SIZEOF_VOID_P"
2955
2956 jit_wanted=true
2957 boehm_supported=true
2958 BTLS_SUPPORTED=no
2959 BTLS_PLATFORM=
2960 case "$host" in
2961         mips*)
2962                 TARGET=MIPS;
2963                 arch_target=mips;
2964                 with_tls=pthread;
2965                 ACCESS_UNALIGNED="no"
2966
2967                 AC_MSG_CHECKING(for mips n32)
2968                 AC_TRY_COMPILE([],[
2969                 #if _MIPS_SIM != _ABIN32
2970                 #error Not mips n32
2971                 #endif
2972                 return 0;
2973                 ],[
2974                 AC_MSG_RESULT(yes)
2975                 sizeof_register=8
2976                 ],[
2977                 AC_MSG_RESULT(no)
2978                 ])
2979                 ;;
2980         i*86-*-*)
2981                 TARGET=X86;
2982                 arch_target=x86;
2983                 case $host_os in
2984                   solaris*)
2985                         LIBC="libc.so"
2986                         INTL="libintl.so"
2987                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2988                                 TARGET=AMD64
2989                                 arch_target=amd64
2990                         fi
2991
2992                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2993                         # int astruct __attribute__ ((visibility ("hidden")));
2994                         # void foo ()
2995                         # {
2996                         #       void *p = &astruct;
2997                         # }
2998                         # gcc -fPIC --shared -o libfoo.so foo.c
2999                         # yields:
3000                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3001                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3002                         have_visibility_hidden=no
3003                         ;;
3004                   mingw*|cygwin*)
3005                         have_visibility_hidden=no
3006                         ;;
3007                   haiku*)
3008                         LIBC=libroot.so
3009                         ;;
3010                   linux*)
3011                         AOT_SUPPORTED="yes"
3012                         BTLS_SUPPORTED=yes
3013                         BTLS_PLATFORM=i386
3014                         ;;
3015                   darwin*)
3016                         AOT_SUPPORTED="yes"
3017                         BTLS_SUPPORTED=yes
3018                         BTLS_PLATFORM=i386
3019                         ;;
3020                   openbsd*|freebsd*|kfreebsd-gnu*)
3021                         ;;
3022                 esac
3023                 ;;
3024         x86_64-*-* | amd64-*-*)
3025                 TARGET=AMD64;
3026                 arch_target=amd64;
3027                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3028                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3029                         sizeof_register=8
3030                 fi
3031                 case $host_os in
3032                   linux*)
3033                         AOT_SUPPORTED="yes"
3034                         BTLS_SUPPORTED=yes
3035                         BTLS_PLATFORM=x86_64
3036                         ;;
3037                   darwin*)
3038                         AOT_SUPPORTED="yes"
3039                         BTLS_SUPPORTED=yes
3040                         BTLS_PLATFORM=x86_64
3041                         ;;
3042                   openbsd*|freebsd*|kfreebsd-gnu*)
3043                         ;;
3044                   mingw*)
3045                         ;;
3046                 esac
3047                 case "$host" in
3048                         x86_64-*-nacl*)
3049                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3050                                 sizeof_register=8
3051                                 ;;
3052                 esac
3053                 ;;
3054         ia64-*-*)
3055                 TARGET=IA64
3056                 arch_target=ia64
3057                 ACCESS_UNALIGNED="no"
3058                 LIBC="libc.so.6.1"
3059                 INTL="libc.so.6.1"
3060                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3061                 libmono_ldflags="-lunwind"
3062                 ;;
3063         sparc*-*-*)
3064                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3065                    TARGET=SPARC64
3066                 else
3067                         TARGET=SPARC
3068                 fi
3069                 arch_target=sparc;
3070                 ACCESS_UNALIGNED="no"
3071                 case $host_os in
3072                   linux*) ;;
3073                   *)
3074                         LIBC="libc.so"
3075                         INTL="libintl.so"
3076                 esac
3077                 if test x"$GCC" = xyes; then
3078                         # We don't support v8 cpus
3079                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3080                 fi
3081                 if test x"$AR" = xfalse; then
3082                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3083                 fi
3084                 ;;
3085         *-mingw*|*-*-cygwin*)
3086                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3087                 have_visibility_hidden=no
3088                 INTL="intl"
3089                 ;;
3090         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3091         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3092                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3093                         TARGET=POWERPC64;
3094                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3095                         CFLAGS="$CFLAGS -mminimal-toc"
3096                 else
3097                         TARGET=POWERPC;
3098                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3099                 fi
3100                 arch_target=ppc;
3101                 case $host_os in
3102                   linux*|darwin*)
3103                         ;;
3104                 esac
3105                 ;;
3106         armv7k-*-darwin*)
3107                 TARGET=ARM;
3108                 TARGET_SYS=WATCHOS
3109                 arch_target=arm;
3110                 arm_fpu=VFP_HARD
3111                 ACCESS_UNALIGNED="no"
3112                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3113                 ;;
3114
3115         arm*-darwin*)
3116                 TARGET=ARM;
3117                 arch_target=arm;
3118                 ACCESS_UNALIGNED="no"
3119                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3120                 ;;
3121         arm*-linux*)
3122                 TARGET=ARM;
3123                 arch_target=arm;
3124                 ACCESS_UNALIGNED="no"
3125                 AOT_SUPPORTED="yes"
3126                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3127                 ;;
3128         arm*-netbsd*-eabi*)
3129                 TARGET=ARM;
3130                 arch_target=arm;
3131                 ACCESS_UNALIGNED="no"
3132                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3133                 ;;
3134 # TODO: make proper support for NaCl host.
3135 #        arm*-*nacl)
3136 #               TARGET=ARM;
3137 #               arch_target=arm;
3138 #               ACCESS_UNALIGNED="no"
3139 #               AOT_SUPPORTED="no"
3140 #               ;;
3141         aarch64-*)
3142                 # https://lkml.org/lkml/2012/7/15/133
3143                 TARGET=ARM64
3144                 arch_target=arm64
3145                 boehm_supported=false
3146                 AOT_SUPPORTED="yes"
3147                 ;;
3148         s390x-*-linux*)
3149                 TARGET=S390X;
3150                 arch_target=s390x;
3151                 ACCESS_UNALIGNED="yes"
3152                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3153                 ;;
3154 esac
3155
3156 HOST=$TARGET
3157
3158 if test "x$host" != "x$target"; then
3159    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3160    enable_mcs_build=no
3161    BTLS_SUPPORTED=no
3162    case "$target" in
3163    arm*-darwin*)
3164                 TARGET=ARM;
3165                 arch_target=arm;
3166                 ACCESS_UNALIGNED="no"
3167                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3168                 # Can't use tls, since it depends on the runtime detection of tls offsets
3169                 # in mono-compiler.h
3170                 with_tls=pthread
3171                 case "$target" in
3172                 armv7k-*)
3173                         arm_fpu=VFP_HARD
3174                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3175                         ;;
3176                 esac
3177                 ;;
3178    powerpc64-ps3-linux-gnu)
3179                 TARGET=POWERPC64
3180                 arch_target=powerpc64
3181                 AC_DEFINE(TARGET_PS3, 1, [...])
3182                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3183                 # uses this define
3184                 AC_DEFINE(__mono_ppc64__, 1, [...])
3185                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3186                 sizeof_register=8
3187                 target_byte_order=G_BIG_ENDIAN
3188                 ;;
3189    powerpc64-xbox360-linux-gnu)
3190                 TARGET=POWERPC64
3191                 arch_target=powerpc64
3192                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3193                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3194                 # uses this define
3195                 sizeof_register=8
3196                 target_byte_order=G_BIG_ENDIAN
3197                 ;;
3198    x86_64-*-nacl)
3199                 TARGET=AMD64
3200                 arch_target=amd64
3201                 AC_DEFINE(TARGET_AMD64, 1, [...])
3202                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3203                 sizeof_register=8
3204                 ;;
3205 # TODO: make proper support for NaCl target.
3206 #   arm*-*nacl)
3207 #               TARGET=ARM
3208 #               arch_target=arm
3209 #               AC_DEFINE(TARGET_ARM, 1, [...])
3210 #               ACCESS_UNALIGNED="no"
3211 #               sizeof_register=4
3212 #               CPPFLAGS="$CPPFLAGS \
3213 #                    -D__ARM_EABI__ \
3214 #                    -D__arm__ \
3215 #                    -D__portable_native_client__ \
3216 #                    -Dtimezone=_timezone \
3217 #                    -DDISABLE_SOCKETS \
3218 #                    -DDISABLE_ATTACH \
3219 #                    -DUSE_NEWLIB"
3220                 # Can't use tls, since it depends on the runtime detection of tls offsets
3221                 # in mono-compiler.h
3222 #               with_tls=pthread
3223 #               ;;
3224    i686-*-nacl)
3225                 TARGET=X86
3226                 arch_target=x86
3227                 AC_DEFINE(TARGET_X86, 1, [...])
3228                 sizeof_register=4
3229                 ;;
3230    arm*-linux-*)
3231                 TARGET=ARM;
3232                 arch_target=arm;
3233                 AC_DEFINE(TARGET_ARM, 1, [...])
3234                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3235                 ACCESS_UNALIGNED="no"
3236                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3237                 # Can't use tls, since it depends on the runtime detection of tls offsets
3238                 # in mono-compiler.h
3239                 with_tls=pthread
3240                 target_mach=no
3241                 case "$target" in
3242                 armv7l-unknown-linux-gnueabi*)
3243                         # TEGRA
3244                         CPPFLAGS="$CPPFLAGS"
3245                         ;;
3246                 armv5-*-linux-androideabi*)
3247                         CPPFLAGS="$CPPFLAGS"
3248                         ;;
3249                 esac
3250                 ;;
3251    arm*-netbsd*-eabi*)
3252                 TARGET=ARM;
3253                 arch_target=arm;
3254                 AC_DEFINE(TARGET_ARM, 1, [...])
3255                 ACCESS_UNALIGNED="no"
3256                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3257                 # Can't use tls, since it depends on the runtime detection of tls offsets
3258                 # in mono-compiler.h
3259                 with_tls=pthread
3260                 target_mach=no
3261                 ;;
3262    i686*-linux-*)
3263                 TARGET=X86;
3264                 arch_target=x86;
3265                 AC_DEFINE(TARGET_X86, 1, [...])
3266                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3267                 CPPFLAGS="$CPPFLAGS"
3268                 # Can't use tls, since it depends on the runtime detection of tls offsets
3269                 # in mono-compiler.h
3270                 with_tls=pthread
3271                 target_mach=no
3272                 ;;
3273    x86_64*-linux-*)
3274                 TARGET=AMD64;
3275                 arch_target=amd64;
3276                 AC_DEFINE(TARGET_AMD64, 1, [...])
3277                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3278                 CPPFLAGS="$CPPFLAGS"
3279                 # Can't use tls, since it depends on the runtime detection of tls offsets
3280                 # in mono-compiler.h
3281                 with_tls=pthread
3282                 target_mach=no
3283                 ;;
3284    x86_64-ps4-freebsd)
3285                 TARGET=AMD64;
3286                 arch_target=amd64;
3287                 AC_DEFINE(TARGET_AMD64, 1, [...])
3288                 AC_DEFINE(TARGET_PS4, 1, [...])
3289                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3290                 CPPFLAGS="$CPPFLAGS"
3291                 # Can't use tls, since it depends on the runtime detection of tls offsets
3292                 # in mono-compiler.h
3293                 with_tls=pthread
3294                 target_mach=no
3295                 target_win32=no
3296                 ;;
3297    aarch64*-linux-*)
3298                 TARGET=ARM64;
3299                 arch_target=arm64;
3300                 AC_DEFINE(TARGET_ARM64, 1, [...])
3301                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3302                 CPPFLAGS="$CPPFLAGS"
3303                 # Can't use tls, since it depends on the runtime detection of tls offsets
3304                 # in mono-compiler.h
3305                 with_tls=pthread
3306                 target_mach=no
3307                 ;;
3308         aarch64-*)
3309                 TARGET=ARM64
3310                 ;;
3311         *)
3312                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3313         esac
3314 fi
3315
3316 case "$TARGET" in
3317 X86)
3318         AC_DEFINE(TARGET_X86, 1, [...])
3319         ;;
3320 AMD64)
3321         AC_DEFINE(TARGET_AMD64, 1, [...])
3322         ;;
3323 ARM)
3324         AC_DEFINE(TARGET_ARM, 1, [...])
3325         ;;
3326 ARM64)
3327         AC_DEFINE(TARGET_ARM64, 1, [...])
3328         ;;
3329 POWERPC)
3330         AC_DEFINE(TARGET_POWERPC, 1, [...])
3331         ;;
3332 POWERPC64)
3333         AC_DEFINE(TARGET_POWERPC, 1, [...])
3334         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3335         ;;
3336 S390X)
3337         AC_DEFINE(TARGET_S390X, 1, [...])
3338         ;;
3339 MIPS)
3340         AC_DEFINE(TARGET_MIPS, 1, [...])
3341         ;;
3342 IA64)
3343         AC_DEFINE(TARGET_IA64, 1, [...])
3344         ;;
3345 SPARC)
3346         AC_DEFINE(TARGET_SPARC, 1, [...])
3347         ;;
3348 SPARC64)
3349         AC_DEFINE(TARGET_SPARC64, 1, [...])
3350         ;;
3351 esac
3352
3353 case "$HOST" in
3354 X86)
3355         AC_DEFINE(HOST_X86, 1, [...])
3356         ;;
3357 AMD64)
3358         AC_DEFINE(HOST_AMD64, 1, [...])
3359         ;;
3360 ARM)
3361         AC_DEFINE(HOST_ARM, 1, [...])
3362         ;;
3363 ARM64)
3364         AC_DEFINE(HOST_ARM64, 1, [...])
3365         ;;
3366 POWERPC)
3367         AC_DEFINE(HOST_POWERPC, 1, [...])
3368         ;;
3369 POWERPC64)
3370         AC_DEFINE(HOST_POWERPC, 1, [...])
3371         AC_DEFINE(HOST_POWERPC64, 1, [...])
3372         ;;
3373 S390X)
3374         AC_DEFINE(HOST_S390X, 1, [...])
3375         ;;
3376 MIPS)
3377         AC_DEFINE(HOST_MIPS, 1, [...])
3378         ;;
3379 IA64)
3380         AC_DEFINE(HOST_IA64, 1, [...])
3381         ;;
3382 SPARC)
3383         AC_DEFINE(HOST_SPARC, 1, [...])
3384         ;;
3385 SPARC64)
3386         AC_DEFINE(HOST_SPARC64, 1, [...])
3387         ;;
3388 esac
3389
3390
3391
3392 dnl *************
3393 dnl *** VTUNE ***
3394 dnl *************
3395
3396 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3397 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3398
3399 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3400
3401 if test "x$enable_vtune" = "xyes"; then
3402         if test "x$with_vtune" = "x"; then
3403                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3404         else
3405                 VTUNE_PATH=$with_vtune
3406         fi
3407         VTUNE_INCLUDE=$VTUNE_PATH/include
3408         case "$TARGET" in
3409         X86)
3410                 VTUNE_LIB=$VTUNE_PATH/lib32
3411                 ;;
3412         AMD64)
3413                 VTUNE_LIB=$VTUNE_PATH/lib64
3414                 ;;
3415         *)
3416                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3417                 ;;
3418         esac
3419         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3420                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3421         fi
3422         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3423                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3424         fi
3425
3426         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3427         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3428
3429         AC_SUBST(VTUNE_LIBS)
3430         AC_SUBST(VTUNE_CFLAGS)
3431 fi
3432 dnl Use GCC atomic ops if they work on the target.
3433 if test x$GCC = "xyes"; then
3434         case $TARGET in
3435         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3436                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3437                 ;;
3438         esac
3439 fi
3440
3441 if test "x$target_mach" = "xyes"; then
3442
3443    if test "x$TARGET_SYS" = "xWATCHOS"; then
3444           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3445           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3446           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3447           BTLS_SUPPORTED=no
3448    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3449           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3450           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3451           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3452           BTLS_SUPPORTED=no
3453    else
3454        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3455        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3456        #error fail this for ios
3457        #endif
3458        return 0;
3459        ], [
3460                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3461           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3462           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3463        ], [
3464           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3465           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3466           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3467           BTLS_SUPPORTED=no
3468        ])
3469         fi
3470    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3471 fi
3472
3473 if test "x$sizeof_register" = "x4"; then
3474    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3475 elif test "x$sizeof_register" = "x8"; then
3476    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3477 else
3478    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3479 fi
3480
3481 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3482    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3483 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3484    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3485 else
3486    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3487 fi
3488
3489 if test "x$have_visibility_hidden" = "xyes"; then
3490    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3491 fi
3492
3493 if test "x$have_deprecated" = "xyes"; then
3494    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3495 fi
3496
3497 dnl
3498 dnl Simple Generational checks (sgen)
3499 dnl
3500 SGEN_DEFINES=
3501 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3502 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3503 if test x$buildsgen = xyes; then
3504    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3505    SGEN_DEFINES="-DHAVE_SGEN_GC"
3506
3507         conc_gc_msg=""
3508    if test x$with_sgen_default_concurrent != xno; then
3509        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3510            conc_gc_msg=" (concurrent by default)"
3511    fi
3512
3513    if test "x$gc_msg" = "x"; then
3514       gc_msg="sgen$conc_gc_msg"
3515    else
3516       gc_msg="sgen$conc_gc_msg and $gc_msg"
3517    fi
3518 fi
3519 AC_SUBST(SGEN_DEFINES)
3520 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3521
3522 jit_status="Building and using the JIT"
3523
3524 libsuffix=".so"
3525
3526 case "$host" in
3527      *-*-darwin*)
3528         libsuffix=".dylib"
3529         LIBC="libc.dylib"
3530         INTL="libintl.dylib"
3531         SQLITE="libsqlite.0.dylib"
3532         SQLITE3="libsqlite3.0.dylib"
3533         X11="libX11.dylib"
3534         GDKX11="libgdk-x11-2.0.dylib"
3535         GTKX11="libgtk-x11-2.0.dylib"
3536         ;;
3537      *-*-*netbsd*)
3538         LIBC="libc.so"
3539         INTL="libintl.so"
3540         SQLITE="libsqlite.so"
3541         SQLITE3="libsqlite3.so"
3542         ;;
3543      *-*-kfreebsd*-gnu)
3544         LIBC="libc.so.0.1"
3545         INTL="libc.so.0.1"
3546         X11="libX11.so.6"
3547         ;;
3548     *-*-*freebsd*)
3549         LIBC="libc.so.7"
3550         INTL="libintl.so"
3551         SQLITE="libsqlite.so"
3552         SQLITE3="libsqlite3.so"
3553         ;;
3554     *-*-*openbsd*)
3555         LIBC="libc.so"
3556         INTL="libintl.so"
3557         SQLITE="libsqlite.so"
3558         SQLITE3="libsqlite3.so"
3559         ;;
3560     *-*-*linux*)
3561         AC_PATH_X
3562         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3563         AC_MSG_CHECKING(for the soname of libX11.so)
3564         for i in $x_libraries $dlsearch_path; do
3565                 for r in 4 5 6; do
3566                         if test -f $i/libX11.so.$r; then
3567                                 X11=libX11.so.$r
3568                                 AC_MSG_RESULT($X11)
3569                         fi
3570                 done
3571         done
3572
3573         if test "x$X11" = "xlibX11.so"; then
3574                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3575                 X11=libX11.so.6
3576         fi
3577         ;;
3578 esac
3579
3580
3581 AC_SUBST(libsuffix)
3582
3583 AC_ARG_WITH([libgdiplus],
3584         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3585         [], [with_libgdiplus=installed])
3586
3587 # default install location
3588 libgdiplus_install_loc=libgdiplus${libsuffix}
3589 case "$host" in
3590     *-*-*linux*)
3591     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3592     ;;
3593 esac
3594
3595 case $with_libgdiplus in
3596     no|installed)
3597     libgdiplus_loc=
3598     ;;
3599
3600     yes|sibling)
3601     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3602     ;;
3603
3604     /*) # absolute path, assume it is an install location
3605     libgdiplus_loc=$with_libgdiplus
3606     libgdiplus_install_loc=$with_libgdiplus
3607     ;;
3608
3609     *)
3610     libgdiplus_loc=`pwd`/$with_libgdiplus
3611     ;;
3612 esac
3613 AC_SUBST([libgdiplus_loc])
3614 AC_SUBST([libgdiplus_install_loc])
3615
3616 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3617 if test "x$icall_symbol_map" = "xyes"; then
3618    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3619 fi
3620
3621 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3622 if test "x$icall_export" = "xyes"; then
3623    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3624 fi
3625
3626 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3627 if test "x$icall_tables" = "xno"; then
3628    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3629 fi
3630
3631 if test "x$with_tls" = "x__thread"; then
3632         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3633         # Pass the information to libgc
3634         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3635         AC_MSG_CHECKING(if the tls_model attribute is supported)
3636         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3637                 ], [
3638                         AC_MSG_RESULT(yes)
3639                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3640                 ], [
3641                         AC_MSG_RESULT(no)
3642         ])
3643 fi
3644
3645 if test ${TARGET} = ARM; then
3646         dnl ******************************************
3647         dnl *** Check to see what FPU is available ***
3648         dnl ******************************************
3649         AC_MSG_CHECKING(which FPU to use)
3650
3651         #
3652         # This is a bit tricky:
3653         #
3654         # if (__ARM_PCS_VFP) {
3655         #       /* mfloat-abi=hard == VFP with hard ABI */
3656         # } elif (!__SOFTFP__) {
3657         #       /* mfloat-abi=softfp == VFP with soft ABI */
3658         # } else {
3659         #       /* mfloat-abi=soft == no VFP */
3660         # }
3661         #
3662         # The exception is iOS (w/ GCC) where none of the above
3663         # are defined (but iOS always uses the 'softfp' ABI).
3664         #
3665         # No support for FPA.
3666         #
3667
3668         fpu=NONE
3669
3670         # iOS GCC always uses the 'softfp' ABI.
3671         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3672                 fpu=VFP
3673         fi
3674
3675         # Are we using the 'hard' ABI?
3676         if test x$fpu = xNONE; then
3677                 AC_TRY_COMPILE([], [
3678                         #ifndef __ARM_PCS_VFP
3679                         #error "Float ABI is not 'hard'"
3680                         #endif
3681                         return 0;
3682                 ], [
3683                         fpu=VFP_HARD
3684                 ], [
3685                         fpu=NONE
3686                 ])
3687         fi
3688
3689         # No 'hard' ABI. 'soft' or 'softfp'?
3690         if test x$fpu = xNONE; then
3691                 AC_TRY_COMPILE([], [
3692                         #ifdef __SOFTFP__
3693                         #error "Float ABI is not 'softfp'"
3694                         #endif
3695                         return 0;
3696                 ], [
3697                         fpu=VFP
3698                 ], [
3699                         fpu=NONE
3700                 ])
3701         fi
3702
3703         if test x$arm_fpu != x; then
3704            fpu=$arm_fpu
3705         fi
3706
3707         AC_MSG_RESULT($fpu)
3708         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3709         unset fpu
3710
3711         dnl *********************************************
3712         dnl *** Check which ARM version(s) we can use ***
3713         dnl *********************************************
3714         AC_MSG_CHECKING(which ARM version to use)
3715
3716         AC_TRY_COMPILE([], [
3717                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3718                 #error Not on ARM v5.
3719                 #endif
3720                 return 0;
3721         ], [
3722                 arm_v5=yes
3723
3724                 arm_ver=ARMv5
3725         ], [])
3726
3727         AC_TRY_COMPILE([], [
3728                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3729                 #error Not on ARM v6.
3730                 #endif
3731                 return 0;
3732         ], [
3733                 arm_v5=yes
3734                 arm_v6=yes
3735
3736                 arm_ver=ARMv6
3737         ], [])
3738
3739         AC_TRY_COMPILE([], [
3740                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3741                 #error Not on ARM v7.
3742                 #endif
3743                 return 0;
3744         ], [
3745                 arm_v5=yes
3746                 arm_v6=yes
3747                 arm_v7=yes
3748
3749                 arm_ver=ARMv7
3750         ], [])
3751
3752         AC_MSG_RESULT($arm_ver)
3753
3754         if test x$arm_v5 = xyes; then
3755                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3756                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3757         fi
3758
3759         if test x$arm_v6 = xyes; then
3760                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3761                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3762         fi
3763
3764         if test x$arm_v7 = xyes; then
3765                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3766                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3767         fi
3768 fi
3769
3770 if test ${TARGET} = unknown; then
3771         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3772         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3773 fi
3774
3775 if test "x$platform_android" = "xyes"; then
3776         case "x${TARGET}" in
3777         xARM)
3778                 case "x$arm_ver" in
3779                 xARMv5)
3780                         BTLS_SUPPORTED=yes
3781                         BTLS_PLATFORM=android-armv5
3782                         ;;
3783                 xARMv6)
3784                         BTLS_SUPPORTED=yes
3785                         BTLS_PLATFORM=android-armv6
3786                         ;;
3787                 xARMv7)
3788                         BTLS_SUPPORTED=yes
3789                         BTLS_PLATFORM=android-armv7
3790                         ;;
3791                 *)
3792                         BTLS_SUPPORTED=no
3793                         ;;
3794                 esac
3795                 ;;
3796         xARM64)
3797                 BTLS_SUPPORTED=yes
3798                 BTLS_PLATFORM=android-v8a
3799                 ;;
3800         xX86)
3801                 BTLS_SUPPORTED=yes
3802                 BTLS_PLATFORM=android-x86
3803                 ;;
3804         xAMD64)
3805                 BTLS_SUPPORTED=yes
3806                 BTLS_PLATFORM=android-x64
3807                 ;;
3808         *)
3809                 BTLS_SUPPORTED=no
3810                 ;;
3811         esac
3812 fi
3813
3814 if test ${ACCESS_UNALIGNED} = no; then
3815         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3816 fi
3817
3818 case "x$libgc" in
3819         xincluded)
3820                 # Pass CPPFLAGS to libgc configure
3821                 # We should use a separate variable for this to avoid passing useless and
3822                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3823                 # This should be executed late so we pick up the final version of CPPFLAGS
3824                 # The problem with this approach, is that during a reconfigure, the main
3825                 # configure scripts gets invoked with these arguments, so we use separate
3826                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3827                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3828                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3829                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3830                 fi
3831                 # Don't pass -finstrument-for-thread-suspension in,
3832                 # if these are instrumented it will be very bad news
3833                 # (infinite recursion, undefined parking behavior, etc)
3834                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3835                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3836                 if test "x$support_boehm" = "xyes"; then
3837                         AC_CONFIG_SUBDIRS(libgc)
3838                 fi
3839                 ;;
3840 esac
3841
3842 MALLOC_MEMPOOLS=no
3843 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3844         if test x$with_malloc_mempools = xyes; then
3845                 MALLOC_MEMPOOLS=yes
3846                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3847         fi
3848 ])
3849
3850
3851 DISABLE_MCS_DOCS=default
3852 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3853         if test x$with_mcs_docs != xyes; then
3854                 DISABLE_MCS_DOCS=yes
3855         fi
3856 ])
3857 if test -n "$INSTALL_4_x_TRUE"; then :
3858         DISABLE_MCS_DOCS=yes
3859 fi
3860 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3861    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3862 fi
3863
3864 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3865         if test x$with_lazy_gc_thread_creation != xno ; then
3866                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3867         fi
3868 ], [with_lazy_gc_thread_creation=no])
3869
3870 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])
3871
3872 if test x$with_cooperative_gc = xdefault; then
3873         with_cooperative_gc=$with_cooperative_gc_default
3874 fi
3875
3876 if test x$with_cooperative_gc != xno; then
3877         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3878 fi
3879
3880 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3881
3882 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],[
3883
3884         if test x$enable_checked_build != x ; then
3885                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3886         fi
3887         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3888                 eval "mono_checked_build_test_enable_$feature='yes'"
3889         done
3890
3891         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3892                 eval "mono_checked_build_test_enable_gc='yes'"
3893                 eval "mono_checked_build_test_enable_metadata='yes'"
3894                 eval "mono_checked_build_test_enable_thread='yes'"
3895         fi
3896
3897         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3898                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3899         fi
3900
3901         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3902                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3903         fi
3904
3905         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3906                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3907         fi
3908
3909 ], [])
3910
3911 AC_CHECK_HEADER([malloc.h],
3912                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3913                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3914
3915 if test x"$GCC" = xyes; then
3916         # Implicit function declarations are not 64 bit safe
3917         # Do this late, since this causes lots of configure tests to fail
3918         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3919         # jay has a lot of implicit declarations
3920         JAY_CFLAGS="-Wno-implicit-function-declaration"
3921 fi
3922
3923 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3924 # instead of libmono-static.a
3925 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3926    LIBMONO_LA=libmini-static.la
3927 else
3928    if test x$buildsgen = xyes; then
3929       LIBMONO_LA=libmonosgen-$API_VER.la
3930    else
3931       LIBMONO_LA=libmonoboehm-$API_VER.la
3932    fi
3933 fi
3934 AC_SUBST(LIBMONO_LA)
3935
3936 dnl **************
3937 dnl ***  Btls  ***
3938 dnl **************
3939
3940 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3941 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3942
3943 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3944
3945 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3946
3947 btls_android=no
3948 if test "x$enable_btls" = "xyes"; then
3949         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3950         if test "x$CMAKE" = "xno"; then
3951                 AC_MSG_ERROR("cmake not found")
3952         fi
3953
3954         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3955         AC_SUBST(BTLS_ROOT)
3956
3957         btls_arch=
3958         btls_cflags=
3959         BTLS_CMAKE_ARGS=
3960
3961         case "$BTLS_PLATFORM" in
3962         i386)
3963                 btls_arch=i386
3964                 btls_cflags="-m32"
3965                 case $host_os in
3966                         darwin*)
3967                                 btls_cflags="$btls_cflags -arch i386"
3968                 esac
3969                 ;;
3970         x86_64)
3971                 btls_arch=x86_64
3972                 ;;
3973         android-armv5)
3974                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3975                 ;;
3976         android-armv6)
3977                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3978                 ;;
3979         android-armv7)
3980                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3981                 ;;
3982         android-v8a)
3983                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3984                 ;;
3985         android-x86)
3986                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3987                 ;;
3988         android-x64)
3989                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3990                 ;;
3991         *)
3992                 AC_MSG_ERROR(Invalid BTLS platform)
3993         esac
3994
3995         if test "x$platform_android" = "xyes"; then
3996                 btls_android=yes
3997                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
3998                 if test "x$with_btls_android_ndk" != "x"; then
3999                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4000                 fi
4001         fi
4002
4003         if test "x$btls_arch" != "x"; then
4004                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4005         fi
4006
4007         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4008         AC_SUBST(BTLS_ARCH)
4009         AC_SUBST(BTLS_CFLAGS)
4010         AC_SUBST(BTLS_PLATFORM)
4011         AC_SUBST(BTLS_CMAKE_ARGS)
4012
4013         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4014 else
4015         enable_btls=no
4016 fi
4017
4018 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4019
4020 if test x$DISABLE_MCS_DOCS = xyes; then
4021    docs_dir=""
4022 else
4023    docs_dir=docs
4024 fi
4025 AC_SUBST(docs_dir)
4026
4027 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4028 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4029
4030 libmono_ldflags="$libmono_ldflags $LIBS"
4031
4032 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4033 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4034 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4035 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4036 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4037 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4038 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4039 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4040 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4041 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4042 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4043 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4044 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4045 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4046 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4047 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4048 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4049 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4050
4051 AC_SUBST(LIBC)
4052 AC_SUBST(INTL)
4053 AC_SUBST(SQLITE)
4054 AC_SUBST(SQLITE3)
4055 AC_SUBST(X11)
4056 AC_SUBST(GDKX11)
4057 AC_SUBST(GTKX11)
4058 AC_SUBST(XINERAMA)
4059 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4060 AC_SUBST(arch_target)
4061 AC_SUBST(CFLAGS)
4062 AC_SUBST(CPPFLAGS)
4063 AC_SUBST(LDFLAGS)
4064
4065 #This must always be defined when building the runtime
4066 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4067
4068 mono_build_root=`pwd`
4069 AC_SUBST(mono_build_root)
4070
4071 mono_runtime=mono/mini/mono
4072 AC_SUBST(mono_runtime)
4073
4074 CSC=$mono_build_root/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.1.3.2/tools/csc.exe
4075
4076 mono_cfg_root=$mono_build_root/runtime
4077 if test x$host_win32 = xyes; then
4078   if test "x$cross_compiling" = "xno"; then
4079     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4080     CSC="'"`cygpath -w -a $CSC`"'"
4081   else
4082     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4083   fi
4084 else
4085   mono_cfg_dir=$mono_cfg_root/etc
4086 fi
4087 AC_SUBST(mono_cfg_dir)
4088
4089 AC_SUBST(CSC)
4090
4091 AC_CONFIG_FILES([po/mcs/Makefile.in])
4092
4093 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4094 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4095
4096 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4097 [   depth=../../../..
4098     case $srcdir in
4099     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4100     .) reldir=$depth ;;
4101     *) reldir=$depth/$srcdir ;;
4102     esac
4103     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4104     cd runtime/etc/mono/1.0
4105     rm -f machine.config
4106     $LN_S $reldir/data/net_1_1/machine.config machine.config
4107     cd $depth
4108 ],[LN_S='$LN_S'])
4109
4110 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4111 [   depth=../../../..
4112     case $srcdir in
4113     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4114     .) reldir=$depth ;;
4115     *) reldir=$depth/$srcdir ;;
4116     esac
4117     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4118     cd runtime/etc/mono/2.0
4119     rm -f machine.config
4120     $LN_S $reldir/data/net_2_0/machine.config machine.config
4121     cd $depth
4122 ],[LN_S='$LN_S'])
4123
4124 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4125 [   depth=../../../..
4126     case $srcdir in
4127     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4128     .) reldir=$depth ;;
4129     *) reldir=$depth/$srcdir ;;
4130     esac
4131     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4132     cd runtime/etc/mono/2.0
4133     rm -f web.config
4134     $LN_S $reldir/data/net_2_0/web.config web.config
4135     cd $depth
4136 ],[LN_S='$LN_S'])
4137
4138 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4139 [   depth=../../..
4140     case $srcdir in
4141     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4142     .) reldir=$depth ;;
4143     *) reldir=$depth/$srcdir ;;
4144     esac
4145     $ac_aux_dir/install-sh -d runtime/etc/mono/
4146     cd runtime/etc/mono/
4147     rm -f browscap.ini
4148     $LN_S $reldir/data/browscap.ini browscap.ini
4149     cd $depth
4150 ],[LN_S='$LN_S'])
4151
4152 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4153 [   depth=../../../../..
4154     case $srcdir in
4155     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4156     .) reldir=$depth ;;
4157     *) reldir=$depth/$srcdir ;;
4158     esac
4159     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4160     cd runtime/etc/mono/2.0/Browsers
4161     rm -f Compat.browser
4162     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4163     cd $depth
4164 ],[LN_S='$LN_S'])
4165
4166 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4167 [   depth=../../../../..
4168     case $srcdir in
4169     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4170     .) reldir=$depth ;;
4171     *) reldir=$depth/$srcdir ;;
4172     esac
4173     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4174     cd runtime/etc/mono/4.0/Browsers
4175     rm -f Compat.browser
4176     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4177     cd $depth
4178 ],[LN_S='$LN_S'])
4179
4180 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4181 [   depth=../../../../..
4182     case $srcdir in
4183     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4184     .) reldir=$depth ;;
4185     *) reldir=$depth/$srcdir ;;
4186     esac
4187     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4188     cd runtime/etc/mono/4.5/Browsers
4189     rm -f Compat.browser
4190     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4191     cd $depth
4192 ],[LN_S='$LN_S'])
4193
4194 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4195 [   depth=../../../..
4196     case $srcdir in
4197     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4198     .) reldir=$depth ;;
4199     *) reldir=$depth/$srcdir ;;
4200     esac
4201     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4202     cd runtime/etc/mono/4.0
4203     rm -f machine.config
4204     $LN_S $reldir/data/net_4_0/machine.config machine.config
4205     cd $depth
4206 ],[LN_S='$LN_S'])
4207
4208 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4209 [   depth=../../../..
4210     case $srcdir in
4211     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4212     .) reldir=$depth ;;
4213     *) reldir=$depth/$srcdir ;;
4214     esac
4215     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4216     cd runtime/etc/mono/4.0
4217     rm -f web.config
4218     $LN_S $reldir/data/net_4_0/web.config web.config
4219     cd $depth
4220 ],[LN_S='$LN_S'])
4221
4222 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4223 [   depth=../../../..
4224     case $srcdir in
4225     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4226     .) reldir=$depth ;;
4227     *) reldir=$depth/$srcdir ;;
4228     esac
4229     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4230     cd runtime/etc/mono/4.5
4231     rm -f machine.config
4232     $LN_S $reldir/data/net_4_5/machine.config machine.config
4233     cd $depth
4234 ],[LN_S='$LN_S'])
4235
4236 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4237 [   depth=../../../..
4238     case $srcdir in
4239     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4240     .) reldir=$depth ;;
4241     *) reldir=$depth/$srcdir ;;
4242     esac
4243     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4244     cd runtime/etc/mono/4.5
4245     rm -f web.config
4246     $LN_S $reldir/data/net_4_5/web.config web.config
4247     cd $depth
4248 ],[LN_S='$LN_S'])
4249
4250 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])
4251 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])
4252
4253 AC_OUTPUT([
4254 Makefile
4255 mono-uninstalled.pc
4256 acceptance-tests/Makefile
4257 llvm/Makefile
4258 scripts/mono-find-provides
4259 scripts/mono-find-requires
4260 mono/Makefile
4261 mono/btls/Makefile
4262 mono/utils/Makefile
4263 mono/metadata/Makefile
4264 mono/dis/Makefile
4265 mono/cil/Makefile
4266 mono/arch/Makefile
4267 mono/arch/x86/Makefile
4268 mono/arch/amd64/Makefile
4269 mono/arch/ppc/Makefile
4270 mono/arch/sparc/Makefile
4271 mono/arch/s390x/Makefile
4272 mono/arch/arm/Makefile
4273 mono/arch/arm64/Makefile
4274 mono/arch/ia64/Makefile
4275 mono/arch/mips/Makefile
4276 mono/sgen/Makefile
4277 mono/tests/Makefile
4278 mono/tests/tests-config
4279 mono/tests/assemblyresolve/Makefile
4280 mono/tests/gc-descriptors/Makefile
4281 mono/unit-tests/Makefile
4282 mono/benchmark/Makefile
4283 mono/io-layer/Makefile
4284 mono/mini/Makefile
4285 mono/profiler/Makefile
4286 m4/Makefile
4287 ikvm-native/Makefile
4288 scripts/Makefile
4289 man/Makefile
4290 docs/Makefile
4291 data/Makefile
4292 data/net_2_0/Makefile
4293 data/net_4_0/Makefile
4294 data/net_4_5/Makefile
4295 data/net_2_0/Browsers/Makefile
4296 data/net_4_0/Browsers/Makefile
4297 data/net_4_5/Browsers/Makefile
4298 data/mint.pc
4299 data/mono-2.pc
4300 data/monosgen-2.pc
4301 data/mono.pc
4302 data/mono-cairo.pc
4303 data/mono-nunit.pc
4304 data/mono-options.pc
4305 data/mono-lineeditor.pc
4306 data/monodoc.pc
4307 data/dotnet.pc
4308 data/dotnet35.pc
4309 data/wcf.pc
4310 data/cecil.pc
4311 data/system.web.extensions_1.0.pc
4312 data/system.web.extensions.design_1.0.pc
4313 data/system.web.mvc.pc
4314 data/system.web.mvc2.pc
4315 data/system.web.mvc3.pc
4316 data/aspnetwebstack.pc
4317 data/reactive.pc
4318 samples/Makefile
4319 support/Makefile
4320 data/config
4321 tools/Makefile
4322 tools/locale-builder/Makefile
4323 tools/sgen/Makefile
4324 tools/monograph/Makefile
4325 tools/pedump/Makefile
4326 runtime/Makefile
4327 msvc/Makefile
4328 po/Makefile
4329 ])
4330
4331 # Update all submodules recursively to ensure everything is checked out
4332 $srcdir/scripts/update_submodules
4333
4334 if test x$host_win32 = xyes; then
4335    # Get rid of 'cyg' prefixes in library names
4336    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4337    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4338    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4339    # executable doesn't work...
4340    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4341 fi
4342
4343 if test x$host_darwin = xyes; then
4344    # This doesn't seem to be required and it slows down parallel builds
4345    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4346 fi
4347
4348 (
4349   case $prefix in
4350   NONE) prefix=$ac_default_prefix ;;
4351   esac
4352   case $exec_prefix in
4353   NONE) exec_prefix='${prefix}' ;;
4354   esac
4355
4356   #
4357   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4358   # any existing config.make.  This allows people to share the same source tree
4359   # with different build directories, one native and one cross
4360   #
4361   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4362
4363     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4364
4365     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4366     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4367     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4368     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4369     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4370     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4371     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4372     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4373
4374     case $INSTALL in
4375     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4376     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4377     esac
4378
4379     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4380
4381     export VERSION
4382     [myver=$($AWK 'BEGIN {
4383       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4384       if(length(vsplit [1]) > 4) {
4385         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4386       }
4387       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4388     }')]
4389
4390     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4391
4392     if test x$host_darwin = xyes; then
4393       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4394     fi
4395
4396     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4397       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4398     fi
4399
4400         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4401            enable_system_aot=yes
4402         fi
4403
4404     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4405       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4406     fi
4407
4408     if test x$DISABLE_MCS_DOCS = xyes; then
4409       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4410     fi
4411
4412     if test x$has_extension_module != xno; then
4413         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4414     fi
4415
4416     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4417
4418     if test "x$test_bcl_opt" = "xyes"; then
4419       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4420     fi
4421
4422     echo "CSC_LOCATION = $CSC" >> $srcdir/$mcsdir/build/config.make
4423
4424     if test $csc_compiler = mcs; then
4425       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4426     fi
4427
4428     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4429       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4430       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4431     fi
4432
4433     if test "x$enable_btls" = "xyes"; then
4434       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4435       if test "x$enable_dynamic_btls" = "xyes"; then
4436         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4437       fi
4438     fi
4439
4440   fi
4441
4442 )
4443
4444 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4445
4446 btls_platform_string=
4447 if test x$enable_btls = xyes; then
4448         if test x$btls_android = xyes; then
4449                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4450         else
4451                 btls_platform_string=" ($BTLS_PLATFORM)"
4452         fi
4453 fi
4454
4455 echo "
4456         mcs source:    $mcsdir
4457         C# Compiler:   $csc_compiler
4458
4459    Engine:
4460         Host:          $host
4461         Target:        $target
4462         GC:            $gc_msg
4463         TLS:           $with_tls
4464         SIGALTSTACK:   $with_sigaltstack
4465         Engine:        $jit_status
4466         BigArrays:     $enable_big_arrays
4467         DTrace:        $enable_dtrace
4468         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4469
4470    Libraries:
4471         .NET 4.x:        $with_profile4_x
4472         Xamarin.Android: $with_monodroid
4473         Xamarin.iOS:     $with_monotouch
4474         Xamarin.WatchOS: $with_monotouch_watch
4475         Xamarin.TVOS:    $with_monotouch_tv
4476         Xamarin.Mac:     $with_xammac
4477         AOT preferred:   $with_aot_hybrid
4478         AOT only:        $with_aot_only
4479         JNI support:     $jdk_headers_found
4480         libgdiplus:      $libgdiplus_msg
4481         zlib:            $zlib_msg
4482         BTLS:            $enable_btls$btls_platform_string
4483         $disabled
4484 "
4485 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4486    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4487 fi