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         AC_TRY_COMPILE([#include <sched.h>], [
1408              CPU_COUNT((void *) 0);
1409         ], [
1410                 AC_MSG_RESULT(yes)
1411                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1412         ], [
1413                 # We have the new, three-parameter version
1414                 AC_MSG_RESULT(no)
1415         ])
1416
1417         dnl ******************************************************************
1418         dnl *** Check for large file support                               ***
1419         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1420         dnl ******************************************************************
1421
1422         # Check that off_t can represent 2**63 - 1 correctly, working around
1423         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1424         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1425         large_offt=no
1426         AC_DEFUN([LARGE_FILES], [
1427                 large_CPPFLAGS=$CPPFLAGS
1428                 CPPFLAGS="$CPPFLAGS $1"
1429                 AC_TRY_COMPILE([
1430                         #include <sys/types.h>
1431                         #include <limits.h>
1432                 ], [
1433                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1434                         #define COMPILE_TIME_ASSERT(pred) \
1435                                 switch(0){case 0:case pred:;}
1436                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1437                 ], [
1438                         AC_MSG_RESULT(ok)
1439                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1440                         large_CPPFLAGS="$large_CPPFLAGS $1"
1441                         large_offt=yes
1442                 ], [
1443                         AC_MSG_RESULT(no)
1444                 ])
1445                 CPPFLAGS=$large_CPPFLAGS
1446         ])
1447
1448         AC_MSG_CHECKING(if off_t is 64 bits wide)
1449         LARGE_FILES("")
1450         if test $large_offt = no; then
1451                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1452                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1453         fi
1454         if test $large_offt = no; then
1455                 AC_MSG_WARN([No 64 bit file size support available])
1456         fi
1457
1458         dnl *****************************
1459         dnl *** Checks for libsocket  ***
1460         dnl *****************************
1461         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1462
1463         case "$host" in
1464                 *-*-*freebsd*)
1465                         dnl *****************************
1466                         dnl *** Checks for libinotify ***
1467                         dnl *****************************
1468                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1469         esac
1470
1471         dnl *******************************
1472         dnl *** Checks for MSG_NOSIGNAL ***
1473         dnl *******************************
1474         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1475         AC_TRY_COMPILE([#include <sys/socket.h>], [
1476                 int f = MSG_NOSIGNAL;
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1481         ], [
1482                 # We'll have to use signals
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl *****************************
1487         dnl *** Checks for IPPROTO_IP ***
1488         dnl *****************************
1489         AC_MSG_CHECKING(for IPPROTO_IP)
1490         AC_TRY_COMPILE([#include <netinet/in.h>], [
1491                 int level = IPPROTO_IP;
1492         ], [
1493                 # Yes, we have it...
1494                 AC_MSG_RESULT(yes)
1495                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1496         ], [
1497                 # We'll have to use getprotobyname
1498                 AC_MSG_RESULT(no)
1499         ])
1500
1501         dnl *******************************
1502         dnl *** Checks for IPPROTO_IPV6 ***
1503         dnl *******************************
1504         AC_MSG_CHECKING(for IPPROTO_IPV6)
1505         AC_TRY_COMPILE([#include <netinet/in.h>], [
1506                 int level = IPPROTO_IPV6;
1507         ], [
1508                 # Yes, we have it...
1509                 AC_MSG_RESULT(yes)
1510                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1511         ], [
1512                 # We'll have to use getprotobyname
1513                 AC_MSG_RESULT(no)
1514         ])
1515
1516         dnl ******************************
1517         dnl *** Checks for IPPROTO_TCP ***
1518         dnl ******************************
1519         AC_MSG_CHECKING(for IPPROTO_TCP)
1520         AC_TRY_COMPILE([#include <netinet/in.h>], [
1521                 int level = IPPROTO_TCP;
1522         ], [
1523                 # Yes, we have it...
1524                 AC_MSG_RESULT(yes)
1525                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1526         ], [
1527                 # We'll have to use getprotobyname
1528                 AC_MSG_RESULT(no)
1529         ])
1530
1531         dnl *****************************
1532         dnl *** Checks for SOL_IP     ***
1533         dnl *****************************
1534         AC_MSG_CHECKING(for SOL_IP)
1535         AC_TRY_COMPILE([#include <netdb.h>], [
1536                 int level = SOL_IP;
1537         ], [
1538                 # Yes, we have it...
1539                 AC_MSG_RESULT(yes)
1540                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1541         ], [
1542                 # We'll have to use getprotobyname
1543                 AC_MSG_RESULT(no)
1544         ])
1545
1546         dnl *****************************
1547         dnl *** Checks for SOL_IPV6     ***
1548         dnl *****************************
1549         AC_MSG_CHECKING(for SOL_IPV6)
1550         AC_TRY_COMPILE([#include <netdb.h>], [
1551                 int level = SOL_IPV6;
1552         ], [
1553                 # Yes, we have it...
1554                 AC_MSG_RESULT(yes)
1555                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1556         ], [
1557                 # We'll have to use getprotobyname
1558                 AC_MSG_RESULT(no)
1559         ])
1560
1561         dnl *****************************
1562         dnl *** Checks for SOL_TCP    ***
1563         dnl *****************************
1564         AC_MSG_CHECKING(for SOL_TCP)
1565         AC_TRY_COMPILE([#include <netdb.h>], [
1566                 int level = SOL_TCP;
1567         ], [
1568                 # Yes, we have it...
1569                 AC_MSG_RESULT(yes)
1570                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1571         ], [
1572                 # We'll have to use getprotobyname
1573                 AC_MSG_RESULT(no)
1574         ])
1575
1576         dnl *****************************
1577         dnl *** Checks for IP_PKTINFO ***
1578         dnl *****************************
1579         AC_MSG_CHECKING(for IP_PKTINFO)
1580         AC_TRY_COMPILE([#include <linux/in.h>], [
1581                 int level = IP_PKTINFO;
1582         ], [
1583                 # Yes, we have it...
1584                 AC_MSG_RESULT(yes)
1585                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1586         ], [
1587                 AC_MSG_RESULT(no)
1588         ])
1589
1590         dnl *****************************
1591         dnl *** Checks for IPV6_PKTINFO ***
1592         dnl *****************************
1593         AC_MSG_CHECKING(for IPV6_PKTINFO)
1594         AC_TRY_COMPILE([#include <netdb.h>], [
1595                 int level = IPV6_PKTINFO;
1596         ], [
1597                 # Yes, we have it...
1598                 AC_MSG_RESULT(yes)
1599                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1600         ], [
1601                 AC_MSG_RESULT(no)
1602         ])
1603
1604         dnl **********************************
1605         dnl *** Checks for IP_DONTFRAG     ***
1606         dnl **********************************
1607         AC_MSG_CHECKING(for IP_DONTFRAG)
1608         AC_TRY_COMPILE([#include <netinet/in.h>], [
1609                 int level = IP_DONTFRAG;
1610         ], [
1611                 # Yes, we have it...
1612                 AC_MSG_RESULT(yes)
1613                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1614         ], [
1615                 AC_MSG_RESULT(no)
1616         ])
1617
1618         dnl **********************************
1619         dnl *** Checks for IP_DONTFRAGMENT ***
1620         dnl **********************************
1621         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1622         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1623                 int level = IP_DONTFRAGMENT;
1624         ], [
1625                 # Yes, we have it...
1626                 AC_MSG_RESULT(yes)
1627                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1628         ], [
1629                 AC_MSG_RESULT(no)
1630         ])
1631
1632         dnl **********************************
1633         dnl *** Checks for IP_MTU_DISCOVER ***
1634         dnl **********************************
1635         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1636         AC_TRY_COMPILE([#include <linux/in.h>], [
1637                 int level = IP_MTU_DISCOVER;
1638         ], [
1639                 # Yes, we have it...
1640                 AC_MSG_RESULT(yes)
1641                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1642         ], [
1643                 AC_MSG_RESULT(no)
1644         ])
1645
1646         dnl **********************************
1647         dnl *** Checks for  IP_PMTUDISC_DO ***
1648         dnl **********************************
1649         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1650         AC_TRY_COMPILE([#include <linux/in.h>], [
1651                 int level = IP_PMTUDISC_DO;
1652         ], [
1653                 # Yes, we have it...
1654                 AC_MSG_RESULT(yes)
1655                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1656         ], [
1657                 AC_MSG_RESULT(no)
1658         ])
1659
1660         dnl *********************************
1661         dnl *** Check for struct ip_mreqn ***
1662         dnl *********************************
1663         AC_MSG_CHECKING(for struct ip_mreqn)
1664         AC_TRY_COMPILE([#include <netinet/in.h>], [
1665                 struct ip_mreqn mreq;
1666                 mreq.imr_address.s_addr = 0;
1667         ], [
1668                 # Yes, we have it...
1669                 AC_MSG_RESULT(yes)
1670                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1671         ], [
1672                 # We'll just have to try and use struct ip_mreq
1673                 AC_MSG_RESULT(no)
1674                 AC_MSG_CHECKING(for struct ip_mreq)
1675                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1676                         struct ip_mreq mreq;
1677                         mreq.imr_interface.s_addr = 0;
1678                 ], [
1679                         # Yes, we have it...
1680                         AC_MSG_RESULT(yes)
1681                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1682                 ], [
1683                         # No multicast support
1684                         AC_MSG_RESULT(no)
1685                 ])
1686         ])
1687
1688         dnl **********************************
1689         dnl *** Check for getaddrinfo ***
1690         dnl **********************************
1691         AC_MSG_CHECKING(for getaddrinfo)
1692                 AC_TRY_LINK([
1693                 #include <stdio.h>
1694                 #include <netdb.h>
1695         ], [
1696                 getaddrinfo(NULL,NULL,NULL,NULL);
1697         ], [
1698                 # Yes, we have it...
1699                 AC_MSG_RESULT(yes)
1700                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1701         ], [
1702                 AC_MSG_RESULT(no)
1703         ])
1704
1705         dnl **********************************
1706         dnl *** Check for gethostbyname2_r ***
1707         dnl **********************************
1708         AC_MSG_CHECKING(for gethostbyname2_r)
1709                 AC_TRY_LINK([
1710                 #include <stdio.h>
1711                 #include <netdb.h>
1712         ], [
1713
1714                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1715         ], [
1716                 # Yes, we have it...
1717                 AC_MSG_RESULT(yes)
1718                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1719         ], [
1720                 AC_MSG_RESULT(no)
1721         ])
1722
1723         dnl **********************************
1724         dnl *** Check for gethostbyname2 ***
1725         dnl **********************************
1726         AC_MSG_CHECKING(for gethostbyname2)
1727                 AC_TRY_LINK([
1728                 #include <stdio.h>
1729                 #include <netdb.h>
1730         ], [
1731                 gethostbyname2(NULL,0);
1732         ], [
1733                 # Yes, we have it...
1734                 AC_MSG_RESULT(yes)
1735                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1736         ], [
1737                 AC_MSG_RESULT(no)
1738         ])
1739
1740         dnl **********************************
1741         dnl *** Check for gethostbyname ***
1742         dnl **********************************
1743         AC_MSG_CHECKING(for gethostbyname)
1744                 AC_TRY_LINK([
1745                 #include <stdio.h>
1746                 #include <netdb.h>
1747         ], [
1748                 gethostbyname(NULL);
1749         ], [
1750                 # Yes, we have it...
1751                 AC_MSG_RESULT(yes)
1752                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1753         ], [
1754                 AC_MSG_RESULT(no)
1755         ])
1756
1757         dnl **********************************
1758         dnl *** Check for getprotobyname ***
1759         dnl **********************************
1760         AC_MSG_CHECKING(for getprotobyname)
1761                 AC_TRY_LINK([
1762                 #include <stdio.h>
1763                 #include <netdb.h>
1764         ], [
1765                 getprotobyname(NULL);
1766         ], [
1767                 # Yes, we have it...
1768                 AC_MSG_RESULT(yes)
1769                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1770         ], [
1771                 AC_MSG_RESULT(no)
1772         ])
1773
1774         dnl **********************************
1775         dnl *** Check for getnameinfo ***
1776         dnl **********************************
1777         AC_MSG_CHECKING(for getnameinfo)
1778                 AC_TRY_LINK([
1779                 #include <stdio.h>
1780                 #include <netdb.h>
1781         ], [
1782                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1783         ], [
1784                 # Yes, we have it...
1785                 AC_MSG_RESULT(yes)
1786                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1787         ], [
1788                 AC_MSG_RESULT(no)
1789         ])
1790
1791
1792         dnl **********************************
1793         dnl *** Check for inet_ntop ***
1794         dnl **********************************
1795         AC_MSG_CHECKING(for inet_ntop)
1796                 AC_TRY_LINK([
1797                 #include <stdio.h>
1798                 #include <arpa/inet.h>
1799         ], [
1800                 inet_ntop (0, NULL, NULL, 0);
1801         ], [
1802                 # Yes, we have it...
1803                 AC_MSG_RESULT(yes)
1804                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1805         ], [
1806                 AC_MSG_RESULT(no)
1807         ])
1808
1809         dnl *****************************
1810         dnl *** Checks for libnsl     ***
1811         dnl *****************************
1812         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1813
1814         AC_CHECK_FUNCS(inet_pton inet_aton)
1815
1816         dnl *****************************
1817         dnl *** Checks for libxnet    ***
1818         dnl *****************************
1819         case "${host}" in
1820                 *solaris* )
1821                         AC_MSG_CHECKING(for Solaris XPG4 support)
1822                         if test -f /usr/lib/libxnet.so; then
1823                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1824                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1825                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1826                                 LIBS="$LIBS -lxnet"
1827                                 AC_MSG_RESULT(yes)
1828                         else
1829                                 AC_MSG_RESULT(no)
1830                         fi
1831
1832                         if test "$GCC" = "yes"; then
1833                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1834                         fi
1835                 ;;
1836         esac
1837
1838         dnl *****************************
1839         dnl *** Checks for libpthread ***
1840         dnl *****************************
1841 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1842 # and libpthread does not exist
1843 #
1844         case "${host}" in
1845                 *-*-*freebsd*)
1846                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1847                 ;;
1848                 *-*-*openbsd*)
1849                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1850                 ;;
1851                 *)
1852                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1853                 ;;
1854         esac
1855         AC_CHECK_HEADERS(pthread.h)
1856         AC_CHECK_HEADERS(pthread_np.h)
1857         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1858         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1859         AC_CHECK_FUNCS(pthread_kill)
1860         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1861         AC_TRY_COMPILE([ #include <pthread.h>], [
1862                 pthread_mutexattr_t attr;
1863                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1864         ], [
1865                 AC_MSG_RESULT(ok)
1866         ], [
1867                 AC_MSG_RESULT(no)
1868                 AC_ERROR(Posix system lacks support for recursive mutexes)
1869         ])
1870         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1871         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1872         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1873
1874         dnl **********************************
1875         dnl *** Check for mincore ***
1876         dnl **********************************
1877         AC_MSG_CHECKING(for mincore)
1878                 AC_TRY_LINK([
1879                 #include <stdio.h>
1880                 #include <sys/types.h>
1881                 #include <sys/mman.h>
1882         ], [
1883                 mincore(NULL, 0, NULL);
1884         ], [
1885                 # Yes, we have it...
1886                 AC_MSG_RESULT(yes)
1887                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1888         ], [
1889                 AC_MSG_RESULT(no)
1890         ])
1891
1892         dnl ***********************************
1893         dnl *** Checks for working __thread ***
1894         dnl ***********************************
1895         AC_MSG_CHECKING(for working __thread)
1896         if test "x$with_tls" != "x__thread"; then
1897                 AC_MSG_RESULT(disabled)
1898         elif test "x$cross_compiling" = "xyes"; then
1899                 AC_MSG_RESULT(cross compiling, assuming yes)
1900         else
1901                 AC_TRY_RUN([
1902                         #if defined(__APPLE__) && defined(__clang__)
1903                         #error "__thread does not currently work with clang on Mac OS X"
1904                         #endif
1905
1906                         #include <pthread.h>
1907                         __thread int i;
1908                         static int res1, res2;
1909
1910                         void thread_main (void *arg)
1911                         {
1912                                 i = arg;
1913                                 sleep (1);
1914                                 if (arg == 1)
1915                                         res1 = (i == arg);
1916                                 else
1917                                         res2 = (i == arg);
1918                         }
1919
1920                         int main () {
1921                                 pthread_t t1, t2;
1922
1923                                 i = 5;
1924
1925                                 pthread_create (&t1, NULL, thread_main, 1);
1926                                 pthread_create (&t2, NULL, thread_main, 2);
1927
1928                                 pthread_join (t1, NULL);
1929                                 pthread_join (t2, NULL);
1930
1931                                 return !(res1 + res2 == 2);
1932                         }
1933                 ], [
1934                                 AC_MSG_RESULT(yes)
1935                 ], [
1936                                 AC_MSG_RESULT(no)
1937                                 with_tls=pthread
1938                 ])
1939         fi
1940
1941         dnl **************************************
1942         dnl *** Checks for working sigaltstack ***
1943         dnl **************************************
1944         AC_MSG_CHECKING(for working sigaltstack)
1945         if test "x$with_sigaltstack" != "xyes"; then
1946                 AC_MSG_RESULT(disabled)
1947         elif test "x$cross_compiling" = "xyes"; then
1948                 AC_MSG_RESULT(cross compiling, assuming yes)
1949         else
1950                 AC_TRY_RUN([
1951                         #include <stdio.h>
1952                         #include <stdlib.h>
1953                         #include <unistd.h>
1954                         #include <signal.h>
1955                         #include <pthread.h>
1956                         #include <sys/wait.h>
1957                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1958                         #define SA_STACK SA_ONSTACK
1959                         #endif
1960                         static void
1961                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1962                         {
1963                                 exit (0);
1964                         }
1965
1966                         volatile char*__ptr = NULL;
1967                         static void *
1968                         loop (void *ignored)
1969                         {
1970                                 *__ptr = 0;
1971                                 return NULL;
1972                         }
1973
1974                         static void
1975                         child ()
1976                         {
1977                                 struct sigaction sa;
1978                         #ifdef __APPLE__
1979                                 stack_t sas;
1980                         #else
1981                                 struct sigaltstack sas;
1982                         #endif
1983                                 pthread_t id;
1984                                 pthread_attr_t attr;
1985
1986                                 sa.sa_sigaction = sigsegv_signal_handler;
1987                                 sigemptyset (&sa.sa_mask);
1988                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1989                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1990                                         perror ("sigaction");
1991                                         return;
1992                                 }
1993
1994                                 /* x86 darwin deliver segfaults using SIGBUS */
1995                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1996                                         perror ("sigaction");
1997                                         return;
1998                                 }
1999                                 sas.ss_sp = malloc (SIGSTKSZ);
2000                                 sas.ss_size = SIGSTKSZ;
2001                                 sas.ss_flags = 0;
2002                                 if (sigaltstack (&sas, NULL) == -1) {
2003                                         perror ("sigaltstack");
2004                                         return;
2005                                 }
2006
2007                                 pthread_attr_init (&attr);
2008                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2009                                         printf ("pthread_create\n");
2010                                         return;
2011                                 }
2012
2013                                 sleep (100);
2014                         }
2015
2016                         int
2017                         main ()
2018                         {
2019                                 pid_t son;
2020                                 int status;
2021                                 int i;
2022
2023                                 son = fork ();
2024                                 if (son == -1) {
2025                                         return 1;
2026                                 }
2027
2028                                 if (son == 0) {
2029                                         child ();
2030                                         return 0;
2031                                 }
2032
2033                                 for (i = 0; i < 300; ++i) {
2034                                         waitpid (son, &status, WNOHANG);
2035                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2036                                                 return 0;
2037                                         usleep (10000);
2038                                 }
2039
2040                                 kill (son, SIGKILL);
2041                                 return 1;
2042                         }
2043
2044                 ], [
2045                                 AC_MSG_RESULT(yes)
2046                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2047                 ], [
2048                                 with_sigaltstack=no
2049                                 AC_MSG_RESULT(no)
2050                 ])
2051         fi
2052
2053         dnl ********************************
2054         dnl *** Checks for semaphore lib ***
2055         dnl ********************************
2056         # 'Real Time' functions on Solaris
2057         # posix4 on Solaris 2.6
2058         # pthread (first!) on Linux
2059         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2060
2061         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2062         AC_CHECK_FUNCS(shm_open)
2063
2064         dnl ********************************
2065         dnl *** Checks for timezone stuff **
2066         dnl ********************************
2067         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2068                 AC_TRY_COMPILE([
2069                         #include <time.h>
2070                         ], [
2071                         struct tm tm;
2072                         tm.tm_gmtoff = 1;
2073                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2074         if test $ac_cv_struct_tm_gmtoff = yes; then
2075                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2076         else
2077                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2078                         AC_TRY_COMPILE([
2079                                 #include <time.h>
2080                         ], [
2081                                 timezone = 1;
2082                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2083                 if test $ac_cv_var_timezone = yes; then
2084                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2085                 else
2086                         AC_ERROR(unable to find a way to determine timezone)
2087                 fi
2088         fi
2089
2090         dnl *********************************
2091         dnl *** Checks for math functions ***
2092         dnl *********************************
2093         AC_SEARCH_LIBS(sqrtf, m)
2094         if test "x$has_broken_apple_cpp" != "xyes"; then
2095                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2096                         AC_TRY_LINK([#include <math.h>],
2097                         [ finite(0.0); ],
2098                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2099                         AC_MSG_RESULT(no)))
2100         fi
2101         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2102                 AC_TRY_LINK([#include <math.h>],
2103                 [ isfinite(0.0); ],
2104                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2105                 AC_MSG_RESULT(no)))
2106
2107         dnl ****************************************************************
2108         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2109         dnl *** have it in the library (duh))                            ***
2110         dnl ****************************************************************
2111         AC_CHECK_FUNCS(poll)
2112
2113         dnl *************************
2114         dnl *** Check for signbit ***
2115         dnl *************************
2116         AC_MSG_CHECKING(for signbit)
2117         AC_TRY_LINK([#include <math.h>], [
2118                 int s = signbit(1.0);
2119         ], [
2120                 AC_MSG_RESULT(yes)
2121                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2122         ], [
2123                 AC_MSG_RESULT(no)
2124         ])
2125
2126         dnl **********************************
2127         dnl *** epoll                      ***
2128         dnl **********************************
2129         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2130                 AC_CHECK_HEADERS(sys/epoll.h)
2131                 haveepoll=no
2132                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2133                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2134                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2135                 fi
2136         fi
2137
2138         havekqueue=no
2139
2140         AC_CHECK_HEADERS(sys/event.h)
2141         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2142
2143         dnl **************************************
2144         dnl * Darwin has a race that prevents us from using reliably:
2145         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2146         dnl * Since kqueue is mostly used for scaling large web servers,
2147         dnl * and very few folks run Mono on large web servers on OSX, falling
2148         dnl * back
2149         dnl **************************************
2150         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2151                 if test "x$host_darwin" = "xno"; then
2152                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2153                 fi
2154         fi
2155
2156         dnl ******************************
2157         dnl *** Checks for SIOCGIFCONF ***
2158         dnl ******************************
2159         AC_CHECK_HEADERS(sys/ioctl.h)
2160         AC_CHECK_HEADERS(net/if.h, [], [],
2161            [
2162            #ifdef HAVE_SYS_TYPES_H
2163            # include <sys/types.h>
2164            #endif
2165            #ifdef HAVE_SYS_SOCKET_H
2166            # include <sys/socket.h>
2167            #endif
2168            ])
2169         AC_MSG_CHECKING(for ifreq)
2170         AC_TRY_COMPILE([
2171                 #include <stdio.h>
2172                 #include <sys/ioctl.h>
2173                 #include <net/if.h>
2174                 ], [
2175                 struct ifconf ifc;
2176                 struct ifreq *ifr;
2177                 void *x;
2178                 ifc.ifc_len = 0;
2179                 ifc.ifc_buf = NULL;
2180                 x = (void *) &ifr->ifr_addr;
2181                 ],[
2182                         AC_MSG_RESULT(yes)
2183                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2184                 ], [
2185                         AC_MSG_RESULT(no)
2186                 ])
2187         dnl **********************************
2188         dnl ***     Checks for sin_len     ***
2189         dnl **********************************
2190         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2191         AC_TRY_COMPILE([
2192                 #include <netinet/in.h>
2193                 ], [
2194                 struct sockaddr_in saddr;
2195                 saddr.sin_len = sizeof (saddr);
2196                 ],[
2197                         AC_MSG_RESULT(yes)
2198                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2199                 ], [
2200                         AC_MSG_RESULT(no)
2201                 ])
2202         dnl **********************************
2203         dnl ***    Checks for sin6_len     ***
2204         dnl **********************************
2205         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2206         AC_TRY_COMPILE([
2207                 #include <netinet/in.h>
2208                 ], [
2209                 struct sockaddr_in6 saddr6;
2210                 saddr6.sin6_len = sizeof (saddr6);
2211                 ],[
2212                         AC_MSG_RESULT(yes)
2213                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2214                 ], [
2215                         AC_MSG_RESULT(no)
2216                 ])
2217         dnl **********************************
2218         dnl *** Check for getifaddrs       ***
2219         dnl **********************************
2220         AC_MSG_CHECKING(for getifaddrs)
2221                 AC_TRY_LINK([
2222                 #include <stdio.h>
2223                 #include <sys/types.h>
2224                 #include <sys/socket.h>
2225                 #include <ifaddrs.h>
2226         ], [
2227                 getifaddrs(NULL);
2228         ], [
2229                 # Yes, we have it...
2230                 AC_MSG_RESULT(yes)
2231                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2232         ], [
2233                 AC_MSG_RESULT(no)
2234         ])
2235         dnl **********************************
2236         dnl *** Check for if_nametoindex   ***
2237         dnl **********************************
2238         AC_MSG_CHECKING(for if_nametoindex)
2239                 AC_TRY_LINK([
2240                 #include <stdio.h>
2241                 #include <sys/types.h>
2242                 #include <sys/socket.h>
2243                 #include <net/if.h>
2244         ], [
2245                 if_nametoindex(NULL);
2246         ], [
2247                 # Yes, we have it...
2248                 AC_MSG_RESULT(yes)
2249                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2250         ], [
2251                 AC_MSG_RESULT(no)
2252         ])
2253
2254         dnl **********************************
2255         dnl *** Checks for MonoPosixHelper ***
2256         dnl **********************************
2257         AC_CHECK_HEADERS(checklist.h)
2258         AC_CHECK_HEADERS(pathconf.h)
2259         AC_CHECK_HEADERS(fstab.h)
2260         AC_CHECK_HEADERS(attr/xattr.h)
2261         AC_CHECK_HEADERS(sys/extattr.h)
2262         AC_CHECK_HEADERS(sys/sendfile.h)
2263         AC_CHECK_HEADERS(sys/statvfs.h)
2264         AC_CHECK_HEADERS(sys/statfs.h)
2265         AC_CHECK_HEADERS(sys/vfstab.h)
2266         AC_CHECK_HEADERS(sys/xattr.h)
2267         AC_CHECK_HEADERS(sys/mman.h)
2268         AC_CHECK_HEADERS(sys/param.h)
2269         AC_CHECK_HEADERS(sys/mount.h, [], [],
2270                 [
2271                 #ifdef HAVE_SYS_PARAM_H
2272                 # include <sys/param.h>
2273                 #endif
2274                 ])
2275         AC_CHECK_HEADERS(sys/mount.h)
2276         AC_CHECK_FUNCS(confstr)
2277         AC_CHECK_FUNCS(seekdir telldir)
2278         AC_CHECK_FUNCS(getdomainname)
2279         AC_CHECK_FUNCS(setdomainname)
2280         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2281         AC_CHECK_FUNCS(setgroups)
2282         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2283         AC_CHECK_FUNCS(getfsstat)
2284         AC_CHECK_FUNCS(lutimes futimes)
2285         AC_CHECK_FUNCS(mremap)
2286         AC_CHECK_FUNCS(remap_file_pages)
2287         AC_CHECK_FUNCS(posix_fadvise)
2288         AC_CHECK_FUNCS(posix_fallocate)
2289         AC_CHECK_FUNCS(posix_madvise)
2290         AC_CHECK_FUNCS(vsnprintf)
2291         AC_CHECK_FUNCS(sendfile)
2292         AC_CHECK_FUNCS(gethostid sethostid)
2293         AC_CHECK_FUNCS(sethostname)
2294         AC_CHECK_FUNCS(statfs)
2295         AC_CHECK_FUNCS(fstatfs)
2296         AC_CHECK_FUNCS(statvfs)
2297         AC_CHECK_FUNCS(fstatvfs)
2298         AC_CHECK_FUNCS(stime)
2299         AC_CHECK_FUNCS(strerror_r)
2300         AC_CHECK_FUNCS(ttyname_r)
2301         AC_CHECK_FUNCS(psignal)
2302         AC_CHECK_FUNCS(getlogin_r)
2303         AC_CHECK_FUNCS(lockf)
2304         AC_CHECK_FUNCS(swab)
2305         AC_CHECK_FUNCS(setusershell endusershell)
2306         AC_CHECK_FUNCS(futimens utimensat)
2307         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2308         AC_CHECK_FUNCS(readv writev preadv pwritev)
2309         AC_CHECK_FUNCS(setpgid)
2310         AC_CHECK_FUNCS(system)
2311         AC_CHECK_FUNCS(fork execv execve)
2312         AC_CHECK_FUNCS(accept4)
2313         AC_CHECK_SIZEOF(size_t)
2314         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2315                 [#include <sys/types.h>
2316                  #include <sys/stat.h>
2317                  #include <unistd.h>])
2318         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2319                 [#include <sys/types.h>
2320                  #include <sys/stat.h>
2321                  #include <unistd.h>])
2322         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2323                 [#include <sys/time.h>])
2324         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2325                 [#include <sys/socket.h>])
2326         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2327                 [#include <unistd.h>
2328                  #include <fcntl.h>])
2329         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2330                 [#include <sys/uio.h>])
2331         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2332                 [#include <sys/socket.h>])
2333         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2334                 [#include <sys/poll.h>])
2335         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2336                 [#include <sys/socket.h>])
2337         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2338                 [#include <sys/socket.h>])
2339         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2340                 [#include <netinet/in.h>])
2341         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2342                 [#include <netinet/in.h>])
2343         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2344                 [#include <sys/un.h>])
2345         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2346                 [#include <sys/types.h>
2347                  #include <sys/stat.h>
2348                  #include <unistd.h>])
2349         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2350                 [#include <time.h>])
2351         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2352                 [#include <sys/time.h>
2353                  #include <sys/types.h>
2354                  #include <utime.h>])
2355         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2356                 [#include <sys/time.h>])
2357         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2358                 [#include <sys/types.h>
2359                  #include <utime.h>])
2360         AC_CHECK_MEMBERS(
2361                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2362                 [#include <sys/types.h>
2363                  #include <dirent.h>])
2364         AC_CHECK_MEMBERS(
2365                 [struct passwd.pw_gecos],,,
2366                 [#include <sys/types.h>
2367                  #include <pwd.h>])
2368         AC_CHECK_MEMBERS(
2369                 [struct statfs.f_flags],,,
2370                 [#include <sys/types.h>
2371                  #include <sys/vfs.h>])
2372         AC_CHECK_MEMBERS(
2373                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2374                 [#include <sys/types.h>
2375                  #include <sys/stat.h>
2376                  #include <unistd.h>])
2377
2378         dnl Favour xattr through glibc, but use libattr if we have to
2379         AC_CHECK_FUNC(lsetxattr, ,
2380                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2381         )
2382         AC_SUBST(XATTR_LIB)
2383
2384         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2385         AC_CHECK_MEMBERS(
2386                 [struct kinfo_proc.kp_proc],,,
2387                 [#include <sys/types.h>
2388                  #include <sys/param.h>
2389                  #include <sys/sysctl.h>
2390                  #include <sys/proc.h>
2391                  ])
2392
2393         dnl *********************************
2394         dnl *** Checks for Windows compilation ***
2395         dnl *********************************
2396         AC_CHECK_HEADERS(sys/time.h)
2397         AC_CHECK_HEADERS(sys/param.h)
2398         AC_CHECK_HEADERS(dirent.h)
2399
2400         dnl ******************************************
2401         dnl *** Checks for OSX and iOS compilation ***
2402         dnl ******************************************
2403         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2404
2405         dnl *********************************
2406         dnl *** Check for Console 2.0 I/O ***
2407         dnl *********************************
2408         AC_CHECK_HEADERS([curses.h])
2409         AC_CHECK_HEADERS([term.h], [], [],
2410         [#if HAVE_CURSES_H
2411          #include <curses.h>
2412          #endif
2413         ])
2414         AC_CHECK_HEADERS([termios.h])
2415 else
2416         dnl *********************************
2417         dnl *** Checks for Windows compilation ***
2418         dnl *********************************
2419         AC_CHECK_HEADERS(winternl.h)
2420
2421         jdk_headers_found=no
2422         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2423         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2424         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2425         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2426         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2427         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2428         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2429
2430         dnl *********************************
2431         dnl *** Check for struct ip_mreqn ***
2432         dnl *********************************
2433         AC_MSG_CHECKING(for struct ip_mreqn)
2434         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2435                 struct ip_mreqn mreq;
2436                 mreq.imr_address.s_addr = 0;
2437         ], [
2438                 # Yes, we have it...
2439                 AC_MSG_RESULT(yes)
2440                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2441         ], [
2442                 # We'll just have to try and use struct ip_mreq
2443                 AC_MSG_RESULT(no)
2444                 AC_MSG_CHECKING(for struct ip_mreq)
2445                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2446                         struct ip_mreq mreq;
2447                         mreq.imr_interface.s_addr = 0;
2448                 ], [
2449                         # Yes, we have it...
2450                         AC_MSG_RESULT(yes)
2451                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2452                 ], [
2453                         # No multicast support
2454                         AC_MSG_RESULT(no)
2455                 ])
2456         ])
2457
2458         dnl **********************************
2459         dnl *** Check for getaddrinfo ***
2460         dnl **********************************
2461         AC_MSG_CHECKING(for getaddrinfo)
2462                 AC_TRY_LINK([
2463                 #include <stdio.h>
2464                 #include <winsock2.h>
2465                 #include <ws2tcpip.h>
2466         ], [
2467                 getaddrinfo(NULL,NULL,NULL,NULL);
2468         ], [
2469                 # Yes, we have it...
2470                 AC_MSG_RESULT(yes)
2471                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2472         ], [
2473                 AC_MSG_RESULT(no)
2474         ])
2475
2476         dnl **********************************
2477         dnl *** Check for gethostbyname ***
2478         dnl **********************************
2479         AC_MSG_CHECKING(for gethostbyname)
2480                 AC_TRY_LINK([
2481                 #include <stdio.h>
2482                 #include <winsock2.h>
2483                 #include <ws2tcpip.h>
2484         ], [
2485                 gethostbyname(NULL);
2486         ], [
2487                 # Yes, we have it...
2488                 AC_MSG_RESULT(yes)
2489                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2490         ], [
2491                 AC_MSG_RESULT(no)
2492         ])
2493
2494         dnl **********************************
2495         dnl *** Check for getprotobyname ***
2496         dnl **********************************
2497         AC_MSG_CHECKING(for getprotobyname)
2498                 AC_TRY_LINK([
2499                 #include <stdio.h>
2500                 #include <winsock2.h>
2501                 #include <ws2tcpip.h>
2502         ], [
2503                 getprotobyname(NULL);
2504         ], [
2505                 # Yes, we have it...
2506                 AC_MSG_RESULT(yes)
2507                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2508         ], [
2509                 AC_MSG_RESULT(no)
2510         ])
2511
2512         dnl **********************************
2513         dnl *** Check for getnameinfo ***
2514         dnl **********************************
2515         AC_MSG_CHECKING(for getnameinfo)
2516                 AC_TRY_LINK([
2517                 #include <stdio.h>
2518                 #include <winsock2.h>
2519                 #include <ws2tcpip.h>
2520         ], [
2521                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for inet_ntop ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for inet_ntop)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 inet_ntop (0, NULL, NULL, 0);
2540         ], [
2541                 # Yes, we have it...
2542                 AC_MSG_RESULT(yes)
2543                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2544         ], [
2545                 AC_MSG_RESULT(no)
2546         ])
2547
2548         dnl **********************************
2549         dnl *** Check for inet_pton ***
2550         dnl **********************************
2551         AC_MSG_CHECKING(for inet_pton)
2552                 AC_TRY_LINK([
2553                 #include <stdio.h>
2554                 #include <winsock2.h>
2555                 #include <ws2tcpip.h>
2556         ], [
2557                 #ifndef inet_pton
2558                 (void) inet_pton;
2559                 #endif
2560                 inet_pton (0, NULL, NULL);
2561         ], [
2562                 # Yes, we have it...
2563                 AC_MSG_RESULT(yes)
2564                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2565         ], [
2566                 AC_MSG_RESULT(no)
2567         ])
2568
2569         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2570         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2571         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2572         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2573         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2574         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2575         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2576 fi
2577
2578 dnl socklen_t check
2579 AC_MSG_CHECKING(for socklen_t)
2580 AC_TRY_COMPILE([
2581 #include <sys/types.h>
2582 #include <sys/socket.h>
2583 ],[
2584   socklen_t foo;
2585 ],[
2586 ac_cv_c_socklen_t=yes
2587         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2588         AC_MSG_RESULT(yes)
2589 ],[
2590         AC_MSG_RESULT(no)
2591 ])
2592
2593 AC_MSG_CHECKING(for array element initializer support)
2594 AC_TRY_COMPILE([#include <sys/socket.h>], [
2595         const int array[] = {[1] = 2,};
2596 ], [
2597         # Yes, we have it...
2598         AC_MSG_RESULT(yes)
2599         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2600 ], [
2601         # We'll have to use signals
2602         AC_MSG_RESULT(no)
2603 ])
2604
2605 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2606         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2607         AC_TRY_LINK([#include <math.h>],
2608         [ static void *p = &trunc; ],
2609         [
2610                 AC_DEFINE(HAVE_TRUNC)
2611                 AC_MSG_RESULT(yes)
2612                 ac_cv_trunc=yes
2613         ],
2614         AC_MSG_RESULT(no)))
2615
2616 if test "x$ac_cv_truncl" != "xyes"; then
2617    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2618 fi
2619
2620 AC_CHECK_FUNCS(execvp)
2621
2622 dnl ****************************
2623 dnl *** Look for /dev/random ***
2624 dnl ****************************
2625
2626 AC_MSG_CHECKING([if usage of random device is requested])
2627 AC_ARG_ENABLE(dev-random,
2628 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2629 try_dev_random=$enableval, try_dev_random=yes)
2630
2631 AC_MSG_RESULT($try_dev_random)
2632
2633 case "{$build}" in
2634     *-openbsd*)
2635     NAME_DEV_RANDOM="/dev/srandom"
2636     ;;
2637
2638 dnl Win32 does not have /dev/random, they have their own method...
2639
2640     *-mingw*|*-*-cygwin*)
2641     ac_cv_have_dev_random=no
2642     ;;
2643
2644 dnl Everywhere else, it's /dev/random
2645
2646     *)
2647     NAME_DEV_RANDOM="/dev/random"
2648     ;;
2649 esac
2650
2651 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2652
2653 dnl Now check if the device actually exists
2654
2655 if test "x$try_dev_random" = "xyes"; then
2656     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2657     [if test -r "$NAME_DEV_RANDOM" ; then
2658         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2659     if test "x$ac_cv_have_dev_random" = "xyes"; then
2660         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2661     fi
2662 else
2663     AC_MSG_CHECKING(for random device)
2664     ac_cv_have_dev_random=no
2665     AC_MSG_RESULT(has been disabled)
2666 fi
2667
2668 if test "x$host_win32" = "xyes"; then
2669     AC_DEFINE(HAVE_CRYPT_RNG)
2670 fi
2671
2672 if test "x$ac_cv_have_dev_random" = "xno" \
2673     && test "x$host_win32" = "xno"; then
2674     AC_MSG_WARN([[
2675 ***
2676 *** A system-provided entropy source was not found on this system.
2677 *** Because of this, the System.Security.Cryptography random number generator
2678 *** will throw a NotImplemented exception.
2679 ***
2680 *** If you are seeing this message, and you know your system DOES have an
2681 *** entropy collection in place, please contact <crichton@gimp.org> and
2682 *** provide information about the system and how to access the random device.
2683 ***
2684 *** Otherwise you can install either egd or prngd and set the environment
2685 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2686 ***]])
2687 fi
2688
2689 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2690
2691 AC_MSG_CHECKING([if big-arrays are to be enabled])
2692 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2693 if test "x$enable_big_arrays" = "xyes" ; then
2694     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2695         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2696     else
2697         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2698     fi
2699 fi
2700 AC_MSG_RESULT($enable_big_arrays)
2701
2702 dnl **************
2703 dnl *** DTRACE ***
2704 dnl **************
2705
2706 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2707
2708 if test "x$enable_dtrace" = "xyes"; then
2709    if test "x$has_dtrace" = "xno"; then
2710           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2711    fi
2712    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2713    if test "x$DTRACE" = "xno"; then
2714           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2715           enable_dtrace=no
2716    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2717           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2718           enable_dtrace=no
2719    fi
2720 fi
2721
2722 dtrace_g=no
2723 if test "x$enable_dtrace" = "xyes"; then
2724         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2725         DTRACEFLAGS=
2726         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2727                 case "$host" in
2728                         powerpc-*-darwin*)
2729                         DTRACEFLAGS="-arch ppc64"
2730                         ;;
2731                         i*86-*-darwin*)
2732                         DTRACEFLAGS="-arch x86_64"
2733                         ;;
2734                         *)
2735                         DTRACEFLAGS=-64
2736                         ;;
2737                 esac
2738         else
2739                 case "$host" in
2740                         powerpc-*-darwin*)
2741                         DTRACEFLAGS="-arch ppc"
2742                         ;;
2743                         i*86-*-darwin*)
2744                         DTRACEFLAGS="-arch i386"
2745                         ;;
2746                         *)
2747                         DTRACEFLAGS=-32
2748                         ;;
2749                 esac
2750         fi
2751         AC_SUBST(DTRACEFLAGS)
2752         case "$host" in
2753                 *-*-solaris*)
2754                 dtrace_g=yes
2755                 ;;
2756         esac
2757         AC_CHECK_HEADERS([sys/sdt.h])
2758 fi
2759 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2760 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2761
2762 dnl **************
2763 dnl ***  NaCl  ***
2764 dnl **************
2765
2766 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2767 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2768
2769 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2770
2771 dnl
2772 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2773 dnl
2774 nacl_self_host=""
2775 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2776    nacl_self_host="nacl_self_host"
2777 fi
2778 AC_SUBST(nacl_self_host)
2779
2780 if test "x$enable_nacl_codegen" = "xyes"; then
2781    MONO_NACL_ALIGN_MASK_OFF=1
2782    AC_DEFINE(TARGET_NACL, 1, [...])
2783    AC_DEFINE(__native_client_codegen__, 1, [...])
2784 fi
2785 if test "x$enable_nacl_gc" = "xyes"; then
2786    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2787       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2788    else
2789       # Not yet implemented
2790       INSTRUMENT_CFLAG=""
2791    fi
2792    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2793 fi
2794 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2795
2796 dnl **************************
2797 dnl *** AOT cross offsets  ***
2798 dnl **************************
2799
2800 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2801     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2802
2803 dnl **************
2804 dnl ***  LLVM  ***
2805 dnl **************
2806
2807 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2808 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2809 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2810 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2811
2812 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2813
2814 if test "x$enable_llvm" = "xdefault"; then
2815    enable_llvm=$enable_llvm_default
2816 fi
2817
2818 if test "x$enable_llvm" = "xyes"; then
2819    if test "x$with_llvm" != "x"; then
2820           LLVM_CONFIG=$with_llvm/bin/llvm-config
2821           if test x$host_win32 = xyes; then
2822                 LLVM_CONFIG=$LLVM_CONFIG.exe
2823           fi
2824           if test ! -x $LLVM_CONFIG; then
2825                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2826       fi
2827    else
2828       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2829       if test "x$LLVM_CONFIG" = "xno"; then
2830              AC_MSG_ERROR([llvm-config not found.])
2831       fi
2832    fi
2833
2834    llvm_codegen="x86codegen"
2835    case "$target" in
2836    arm*)
2837                 llvm_codegen="armcodegen"
2838                 ;;
2839    esac
2840
2841    if test "x$host_win32" = "xno"; then
2842
2843    # Should be something like '2.6' or '2.7svn'
2844    llvm_version=`$LLVM_CONFIG --version`
2845    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2846    AC_MSG_CHECKING(LLVM version)
2847    AC_MSG_RESULT($llvm_version $llvm_api_version)
2848    if echo $llvm_version | grep -q 'mono'; then
2849           if test "x$enable_llvm_version_check" = "xyes"; then
2850                  if test "$llvm_version" != "$expected_llvm_version"; then
2851                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2852                  fi
2853           fi
2854    else
2855           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.])
2856    fi
2857
2858    # The output of --cflags seems to include optimizations flags too
2859    if test $llvm_api_version -gt 100; then
2860           # The --cflags argument includes all kinds of warnings -pendantic etc.
2861           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2862           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2863    else
2864           LLVM_CFLAGS=`$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'`
2865       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2866    fi
2867    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2868    # from LLVM classes.
2869    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2870    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2871    # This might include empty lines
2872    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2873    llvm_jit_supported=yes
2874    llvm_jit_libs="jit mcjit $llvm_codegen"
2875    if test "x$host" != "x$target"; then
2876       # No need for jit libs
2877           llvm_jit_supported=no
2878       llvm_jit_libs=""
2879    elif test $llvm_api_version -gt 100; then
2880       llvm_jit_libs="orcjit $llvm_codegen"
2881    fi
2882    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2883    if test "x$LLVM_LIBS" = "x"; then
2884           echo "$LLVM_CONFIG --libs failed."
2885           exit 1
2886    fi
2887    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2888    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2889    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2890       LLVM_LIBS="$LLVM_LIBS -lc++"
2891    else
2892       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2893    fi
2894
2895    expected_llvm_version="3.4svn-mono-mono/e656cac"
2896
2897    else
2898        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2899        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2900        LLVM_LDFLAGS="-L$with_llvm/lib"
2901        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2902        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2903          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2904          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2905          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2906          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2907          -lLLVMAnalysis -lLLVMTarget \
2908          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2909          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2910          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2911          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2912          -lLLVMSupport -lstdc++"
2913        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2914
2915        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2916        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2917    fi
2918
2919    if test "x$llvm_api_version" = "x"; then
2920           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2921           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2922    else
2923           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2924           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2925    fi
2926
2927    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2928
2929    AC_SUBST(LLVM_CFLAGS)
2930    AC_SUBST(LLVM_CXXFLAGS)
2931    AC_SUBST(LLVM_LIBS)
2932    AC_SUBST(LLVM_LDFLAGS)
2933    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2934 fi
2935
2936 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2937 if test "x$enable_loadedllvm" = "xyes"; then
2938    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2939 fi
2940 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2941
2942 if test "x$enable_llvm" = "xyes"; then
2943    enable_llvm_runtime=yes
2944 fi
2945 if test "x$enable_llvm_runtime" = "xyes"; then
2946    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2947 fi
2948 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2949
2950 TARGET="unknown"
2951 ACCESS_UNALIGNED="yes"
2952
2953 LIBC="libc.so.6"
2954 INTL="libc.so.6"
2955 SQLITE="libsqlite.so.0"
2956 SQLITE3="libsqlite3.so.0"
2957 X11="libX11.so"
2958 GDKX11="libgdk-x11-2.0.so.0"
2959 GTKX11="libgtk-x11-2.0.so.0"
2960 XINERAMA="libXinerama.so.1"
2961
2962 sizeof_register="SIZEOF_VOID_P"
2963
2964 jit_wanted=true
2965 boehm_supported=true
2966 BTLS_SUPPORTED=no
2967 BTLS_PLATFORM=
2968 case "$host" in
2969         mips*)
2970                 TARGET=MIPS;
2971                 arch_target=mips;
2972                 with_tls=pthread;
2973                 ACCESS_UNALIGNED="no"
2974
2975                 AC_MSG_CHECKING(for mips n32)
2976                 AC_TRY_COMPILE([],[
2977                 #if _MIPS_SIM != _ABIN32
2978                 #error Not mips n32
2979                 #endif
2980                 return 0;
2981                 ],[
2982                 AC_MSG_RESULT(yes)
2983                 sizeof_register=8
2984                 ],[
2985                 AC_MSG_RESULT(no)
2986                 ])
2987                 ;;
2988         i*86-*-*)
2989                 TARGET=X86;
2990                 arch_target=x86;
2991                 case $host_os in
2992                   solaris*)
2993                         LIBC="libc.so"
2994                         INTL="libintl.so"
2995                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2996                                 TARGET=AMD64
2997                                 arch_target=amd64
2998                         fi
2999
3000                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3001                         # int astruct __attribute__ ((visibility ("hidden")));
3002                         # void foo ()
3003                         # {
3004                         #       void *p = &astruct;
3005                         # }
3006                         # gcc -fPIC --shared -o libfoo.so foo.c
3007                         # yields:
3008                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3009                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3010                         have_visibility_hidden=no
3011                         ;;
3012                   mingw*|cygwin*)
3013                         have_visibility_hidden=no
3014                         ;;
3015                   haiku*)
3016                         LIBC=libroot.so
3017                         ;;
3018                   linux*)
3019                         AOT_SUPPORTED="yes"
3020                         BTLS_SUPPORTED=yes
3021                         BTLS_PLATFORM=i386
3022                         ;;
3023                   darwin*)
3024                         AOT_SUPPORTED="yes"
3025                         BTLS_SUPPORTED=yes
3026                         BTLS_PLATFORM=i386
3027                         ;;
3028                   openbsd*|freebsd*|kfreebsd-gnu*)
3029                         ;;
3030                 esac
3031                 ;;
3032         x86_64-*-* | amd64-*-*)
3033                 TARGET=AMD64;
3034                 arch_target=amd64;
3035                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3036                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3037                         sizeof_register=8
3038                 fi
3039                 case $host_os in
3040                   linux*)
3041                         AOT_SUPPORTED="yes"
3042                         BTLS_SUPPORTED=yes
3043                         BTLS_PLATFORM=x86_64
3044                         ;;
3045                   darwin*)
3046                         AOT_SUPPORTED="yes"
3047                         BTLS_SUPPORTED=yes
3048                         BTLS_PLATFORM=x86_64
3049                         ;;
3050                   openbsd*|freebsd*|kfreebsd-gnu*)
3051                         ;;
3052                   mingw*)
3053                         ;;
3054                 esac
3055                 case "$host" in
3056                         x86_64-*-nacl*)
3057                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3058                                 sizeof_register=8
3059                                 ;;
3060                 esac
3061                 ;;
3062         ia64-*-*)
3063                 TARGET=IA64
3064                 arch_target=ia64
3065                 ACCESS_UNALIGNED="no"
3066                 LIBC="libc.so.6.1"
3067                 INTL="libc.so.6.1"
3068                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3069                 libmono_ldflags="-lunwind"
3070                 ;;
3071         sparc*-*-*)
3072                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3073                    TARGET=SPARC64
3074                 else
3075                         TARGET=SPARC
3076                 fi
3077                 arch_target=sparc;
3078                 ACCESS_UNALIGNED="no"
3079                 case $host_os in
3080                   linux*) ;;
3081                   *)
3082                         LIBC="libc.so"
3083                         INTL="libintl.so"
3084                 esac
3085                 if test x"$GCC" = xyes; then
3086                         # We don't support v8 cpus
3087                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3088                 fi
3089                 if test x"$AR" = xfalse; then
3090                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3091                 fi
3092                 ;;
3093         *-mingw*|*-*-cygwin*)
3094                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3095                 have_visibility_hidden=no
3096                 INTL="intl"
3097                 ;;
3098         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3099         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3100                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3101                         TARGET=POWERPC64;
3102                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3103                         CFLAGS="$CFLAGS -mminimal-toc"
3104                 else
3105                         TARGET=POWERPC;
3106                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3107                 fi
3108                 arch_target=ppc;
3109                 case $host_os in
3110                   linux*|darwin*)
3111                         ;;
3112                 esac
3113                 ;;
3114         armv7k-*-darwin*)
3115                 TARGET=ARM;
3116                 TARGET_SYS=WATCHOS
3117                 arch_target=arm;
3118                 arm_fpu=VFP_HARD
3119                 ACCESS_UNALIGNED="no"
3120                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3121                 ;;
3122
3123         arm*-darwin*)
3124                 TARGET=ARM;
3125                 arch_target=arm;
3126                 ACCESS_UNALIGNED="no"
3127                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3128                 ;;
3129         arm*-linux*)
3130                 TARGET=ARM;
3131                 arch_target=arm;
3132                 ACCESS_UNALIGNED="no"
3133                 AOT_SUPPORTED="yes"
3134                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3135                 ;;
3136         arm*-netbsd*-eabi*)
3137                 TARGET=ARM;
3138                 arch_target=arm;
3139                 ACCESS_UNALIGNED="no"
3140                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3141                 ;;
3142 # TODO: make proper support for NaCl host.
3143 #        arm*-*nacl)
3144 #               TARGET=ARM;
3145 #               arch_target=arm;
3146 #               ACCESS_UNALIGNED="no"
3147 #               AOT_SUPPORTED="no"
3148 #               ;;
3149         aarch64-*)
3150                 # https://lkml.org/lkml/2012/7/15/133
3151                 TARGET=ARM64
3152                 arch_target=arm64
3153                 boehm_supported=false
3154                 AOT_SUPPORTED="yes"
3155                 ;;
3156         s390x-*-linux*)
3157                 TARGET=S390X;
3158                 arch_target=s390x;
3159                 ACCESS_UNALIGNED="yes"
3160                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3161                 ;;
3162 esac
3163
3164 HOST=$TARGET
3165
3166 if test "x$host" != "x$target"; then
3167    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3168    enable_mcs_build=no
3169    BTLS_SUPPORTED=no
3170    case "$target" in
3171    arm*-darwin*)
3172                 TARGET=ARM;
3173                 arch_target=arm;
3174                 ACCESS_UNALIGNED="no"
3175                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3176                 # Can't use tls, since it depends on the runtime detection of tls offsets
3177                 # in mono-compiler.h
3178                 with_tls=pthread
3179                 case "$target" in
3180                 armv7k-*)
3181                         arm_fpu=VFP_HARD
3182                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3183                         ;;
3184                 esac
3185                 ;;
3186    powerpc64-ps3-linux-gnu)
3187                 TARGET=POWERPC64
3188                 arch_target=powerpc64
3189                 AC_DEFINE(TARGET_PS3, 1, [...])
3190                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3191                 # uses this define
3192                 AC_DEFINE(__mono_ppc64__, 1, [...])
3193                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3194                 sizeof_register=8
3195                 target_byte_order=G_BIG_ENDIAN
3196                 ;;
3197    powerpc64-xbox360-linux-gnu)
3198                 TARGET=POWERPC64
3199                 arch_target=powerpc64
3200                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3201                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3202                 # uses this define
3203                 sizeof_register=8
3204                 target_byte_order=G_BIG_ENDIAN
3205                 ;;
3206    x86_64-*-nacl)
3207                 TARGET=AMD64
3208                 arch_target=amd64
3209                 AC_DEFINE(TARGET_AMD64, 1, [...])
3210                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3211                 sizeof_register=8
3212                 ;;
3213 # TODO: make proper support for NaCl target.
3214 #   arm*-*nacl)
3215 #               TARGET=ARM
3216 #               arch_target=arm
3217 #               AC_DEFINE(TARGET_ARM, 1, [...])
3218 #               ACCESS_UNALIGNED="no"
3219 #               sizeof_register=4
3220 #               CPPFLAGS="$CPPFLAGS \
3221 #                    -D__ARM_EABI__ \
3222 #                    -D__arm__ \
3223 #                    -D__portable_native_client__ \
3224 #                    -Dtimezone=_timezone \
3225 #                    -DDISABLE_SOCKETS \
3226 #                    -DDISABLE_ATTACH \
3227 #                    -DUSE_NEWLIB"
3228                 # Can't use tls, since it depends on the runtime detection of tls offsets
3229                 # in mono-compiler.h
3230 #               with_tls=pthread
3231 #               ;;
3232    i686-*-nacl)
3233                 TARGET=X86
3234                 arch_target=x86
3235                 AC_DEFINE(TARGET_X86, 1, [...])
3236                 sizeof_register=4
3237                 ;;
3238    arm*-linux-*)
3239                 TARGET=ARM;
3240                 arch_target=arm;
3241                 AC_DEFINE(TARGET_ARM, 1, [...])
3242                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3243                 ACCESS_UNALIGNED="no"
3244                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3245                 # Can't use tls, since it depends on the runtime detection of tls offsets
3246                 # in mono-compiler.h
3247                 with_tls=pthread
3248                 target_mach=no
3249                 case "$target" in
3250                 armv7l-unknown-linux-gnueabi*)
3251                         # TEGRA
3252                         CPPFLAGS="$CPPFLAGS"
3253                         ;;
3254                 armv5-*-linux-androideabi*)
3255                         CPPFLAGS="$CPPFLAGS"
3256                         ;;
3257                 esac
3258                 ;;
3259    arm*-netbsd*-eabi*)
3260                 TARGET=ARM;
3261                 arch_target=arm;
3262                 AC_DEFINE(TARGET_ARM, 1, [...])
3263                 ACCESS_UNALIGNED="no"
3264                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3265                 # Can't use tls, since it depends on the runtime detection of tls offsets
3266                 # in mono-compiler.h
3267                 with_tls=pthread
3268                 target_mach=no
3269                 ;;
3270    i686*-linux-*)
3271                 TARGET=X86;
3272                 arch_target=x86;
3273                 AC_DEFINE(TARGET_X86, 1, [...])
3274                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3275                 CPPFLAGS="$CPPFLAGS"
3276                 # Can't use tls, since it depends on the runtime detection of tls offsets
3277                 # in mono-compiler.h
3278                 with_tls=pthread
3279                 target_mach=no
3280                 ;;
3281    x86_64*-linux-*)
3282                 TARGET=AMD64;
3283                 arch_target=amd64;
3284                 AC_DEFINE(TARGET_AMD64, 1, [...])
3285                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3286                 CPPFLAGS="$CPPFLAGS"
3287                 # Can't use tls, since it depends on the runtime detection of tls offsets
3288                 # in mono-compiler.h
3289                 with_tls=pthread
3290                 target_mach=no
3291                 ;;
3292    x86_64-ps4-freebsd)
3293                 TARGET=AMD64;
3294                 arch_target=amd64;
3295                 AC_DEFINE(TARGET_AMD64, 1, [...])
3296                 AC_DEFINE(TARGET_PS4, 1, [...])
3297                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3298                 CPPFLAGS="$CPPFLAGS"
3299                 # Can't use tls, since it depends on the runtime detection of tls offsets
3300                 # in mono-compiler.h
3301                 with_tls=pthread
3302                 target_mach=no
3303                 target_win32=no
3304                 ;;
3305    aarch64*-linux-*)
3306                 TARGET=ARM64;
3307                 arch_target=arm64;
3308                 AC_DEFINE(TARGET_ARM64, 1, [...])
3309                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3310                 CPPFLAGS="$CPPFLAGS"
3311                 # Can't use tls, since it depends on the runtime detection of tls offsets
3312                 # in mono-compiler.h
3313                 with_tls=pthread
3314                 target_mach=no
3315                 ;;
3316         aarch64-*)
3317                 TARGET=ARM64
3318                 ;;
3319         *)
3320                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3321         esac
3322 fi
3323
3324 case "$TARGET" in
3325 X86)
3326         AC_DEFINE(TARGET_X86, 1, [...])
3327         ;;
3328 AMD64)
3329         AC_DEFINE(TARGET_AMD64, 1, [...])
3330         ;;
3331 ARM)
3332         AC_DEFINE(TARGET_ARM, 1, [...])
3333         ;;
3334 ARM64)
3335         AC_DEFINE(TARGET_ARM64, 1, [...])
3336         ;;
3337 POWERPC)
3338         AC_DEFINE(TARGET_POWERPC, 1, [...])
3339         ;;
3340 POWERPC64)
3341         AC_DEFINE(TARGET_POWERPC, 1, [...])
3342         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3343         ;;
3344 S390X)
3345         AC_DEFINE(TARGET_S390X, 1, [...])
3346         ;;
3347 MIPS)
3348         AC_DEFINE(TARGET_MIPS, 1, [...])
3349         ;;
3350 IA64)
3351         AC_DEFINE(TARGET_IA64, 1, [...])
3352         ;;
3353 SPARC)
3354         AC_DEFINE(TARGET_SPARC, 1, [...])
3355         ;;
3356 SPARC64)
3357         AC_DEFINE(TARGET_SPARC64, 1, [...])
3358         ;;
3359 esac
3360
3361 case "$HOST" in
3362 X86)
3363         AC_DEFINE(HOST_X86, 1, [...])
3364         ;;
3365 AMD64)
3366         AC_DEFINE(HOST_AMD64, 1, [...])
3367         ;;
3368 ARM)
3369         AC_DEFINE(HOST_ARM, 1, [...])
3370         ;;
3371 ARM64)
3372         AC_DEFINE(HOST_ARM64, 1, [...])
3373         ;;
3374 POWERPC)
3375         AC_DEFINE(HOST_POWERPC, 1, [...])
3376         ;;
3377 POWERPC64)
3378         AC_DEFINE(HOST_POWERPC, 1, [...])
3379         AC_DEFINE(HOST_POWERPC64, 1, [...])
3380         ;;
3381 S390X)
3382         AC_DEFINE(HOST_S390X, 1, [...])
3383         ;;
3384 MIPS)
3385         AC_DEFINE(HOST_MIPS, 1, [...])
3386         ;;
3387 IA64)
3388         AC_DEFINE(HOST_IA64, 1, [...])
3389         ;;
3390 SPARC)
3391         AC_DEFINE(HOST_SPARC, 1, [...])
3392         ;;
3393 SPARC64)
3394         AC_DEFINE(HOST_SPARC64, 1, [...])
3395         ;;
3396 esac
3397
3398
3399
3400 dnl *************
3401 dnl *** VTUNE ***
3402 dnl *************
3403
3404 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3405 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3406
3407 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3408
3409 if test "x$enable_vtune" = "xyes"; then
3410         if test "x$with_vtune" = "x"; then
3411                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3412         else
3413                 VTUNE_PATH=$with_vtune
3414         fi
3415         VTUNE_INCLUDE=$VTUNE_PATH/include
3416         case "$TARGET" in
3417         X86)
3418                 VTUNE_LIB=$VTUNE_PATH/lib32
3419                 ;;
3420         AMD64)
3421                 VTUNE_LIB=$VTUNE_PATH/lib64
3422                 ;;
3423         *)
3424                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3425                 ;;
3426         esac
3427         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3428                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3429         fi
3430         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3431                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3432         fi
3433
3434         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3435         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3436
3437         AC_SUBST(VTUNE_LIBS)
3438         AC_SUBST(VTUNE_CFLAGS)
3439 fi
3440 dnl Use GCC atomic ops if they work on the target.
3441 if test x$GCC = "xyes"; then
3442         case $TARGET in
3443         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3444                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3445                 ;;
3446         esac
3447 fi
3448
3449 if test "x$target_mach" = "xyes"; then
3450
3451    if test "x$TARGET_SYS" = "xWATCHOS"; then
3452           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3453           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3454           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3455           BTLS_SUPPORTED=no
3456    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3457           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3458           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3459           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3460           BTLS_SUPPORTED=no
3461    else
3462        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3463        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3464        #error fail this for ios
3465        #endif
3466        return 0;
3467        ], [
3468                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3469           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3470           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3471        ], [
3472           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3473           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3474           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3475           BTLS_SUPPORTED=no
3476        ])
3477         fi
3478    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3479 fi
3480
3481 if test "x$sizeof_register" = "x4"; then
3482    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3483 elif test "x$sizeof_register" = "x8"; then
3484    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3485 else
3486    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3487 fi
3488
3489 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3490    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3491 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3492    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3493 else
3494    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3495 fi
3496
3497 if test "x$have_visibility_hidden" = "xyes"; then
3498    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3499 fi
3500
3501 if test "x$have_deprecated" = "xyes"; then
3502    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3503 fi
3504
3505 dnl
3506 dnl Simple Generational checks (sgen)
3507 dnl
3508 SGEN_DEFINES=
3509 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3510 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3511 if test x$buildsgen = xyes; then
3512    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3513    SGEN_DEFINES="-DHAVE_SGEN_GC"
3514
3515         conc_gc_msg=""
3516    if test x$with_sgen_default_concurrent != xno; then
3517        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3518            conc_gc_msg=" (concurrent by default)"
3519    fi
3520
3521    if test "x$gc_msg" = "x"; then
3522       gc_msg="sgen$conc_gc_msg"
3523    else
3524       gc_msg="sgen$conc_gc_msg and $gc_msg"
3525    fi
3526 fi
3527 AC_SUBST(SGEN_DEFINES)
3528 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3529
3530 jit_status="Building and using the JIT"
3531
3532 libsuffix=".so"
3533
3534 case "$host" in
3535      *-*-darwin*)
3536         libsuffix=".dylib"
3537         LIBC="libc.dylib"
3538         INTL="libintl.dylib"
3539         SQLITE="libsqlite.0.dylib"
3540         SQLITE3="libsqlite3.0.dylib"
3541         X11="libX11.dylib"
3542         GDKX11="libgdk-x11-2.0.dylib"
3543         GTKX11="libgtk-x11-2.0.dylib"
3544         ;;
3545      *-*-*netbsd*)
3546         LIBC="libc.so"
3547         INTL="libintl.so"
3548         SQLITE="libsqlite.so"
3549         SQLITE3="libsqlite3.so"
3550         ;;
3551      *-*-kfreebsd*-gnu)
3552         LIBC="libc.so.0.1"
3553         INTL="libc.so.0.1"
3554         X11="libX11.so.6"
3555         ;;
3556     *-*-*freebsd*)
3557         LIBC="libc.so.7"
3558         INTL="libintl.so"
3559         SQLITE="libsqlite.so"
3560         SQLITE3="libsqlite3.so"
3561         ;;
3562     *-*-*openbsd*)
3563         LIBC="libc.so"
3564         INTL="libintl.so"
3565         SQLITE="libsqlite.so"
3566         SQLITE3="libsqlite3.so"
3567         ;;
3568     *-*-*linux*)
3569         AC_PATH_X
3570         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3571         AC_MSG_CHECKING(for the soname of libX11.so)
3572         for i in $x_libraries $dlsearch_path; do
3573                 for r in 4 5 6; do
3574                         if test -f $i/libX11.so.$r; then
3575                                 X11=libX11.so.$r
3576                                 AC_MSG_RESULT($X11)
3577                         fi
3578                 done
3579         done
3580
3581         if test "x$X11" = "xlibX11.so"; then
3582                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3583                 X11=libX11.so.6
3584         fi
3585         ;;
3586 esac
3587
3588
3589 AC_SUBST(libsuffix)
3590
3591 AC_ARG_WITH([libgdiplus],
3592         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3593         [], [with_libgdiplus=installed])
3594
3595 # default install location
3596 libgdiplus_install_loc=libgdiplus${libsuffix}
3597 case "$host" in
3598     *-*-*linux*)
3599     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3600     ;;
3601 esac
3602
3603 case $with_libgdiplus in
3604     no|installed)
3605     libgdiplus_loc=
3606     ;;
3607
3608     yes|sibling)
3609     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3610     ;;
3611
3612     /*) # absolute path, assume it is an install location
3613     libgdiplus_loc=$with_libgdiplus
3614     libgdiplus_install_loc=$with_libgdiplus
3615     ;;
3616
3617     *)
3618     libgdiplus_loc=`pwd`/$with_libgdiplus
3619     ;;
3620 esac
3621 AC_SUBST([libgdiplus_loc])
3622 AC_SUBST([libgdiplus_install_loc])
3623
3624 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3625 if test "x$icall_symbol_map" = "xyes"; then
3626    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3627 fi
3628
3629 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3630 if test "x$icall_export" = "xyes"; then
3631    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3632 fi
3633
3634 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3635 if test "x$icall_tables" = "xno"; then
3636    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3637 fi
3638
3639 if test "x$with_tls" = "x__thread"; then
3640         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3641         # Pass the information to libgc
3642         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3643         AC_MSG_CHECKING(if the tls_model attribute is supported)
3644         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3645                 ], [
3646                         AC_MSG_RESULT(yes)
3647                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3648                 ], [
3649                         AC_MSG_RESULT(no)
3650         ])
3651 fi
3652
3653 if test ${TARGET} = ARM; then
3654         dnl ******************************************
3655         dnl *** Check to see what FPU is available ***
3656         dnl ******************************************
3657         AC_MSG_CHECKING(which FPU to use)
3658
3659         #
3660         # This is a bit tricky:
3661         #
3662         # if (__ARM_PCS_VFP) {
3663         #       /* mfloat-abi=hard == VFP with hard ABI */
3664         # } elif (!__SOFTFP__) {
3665         #       /* mfloat-abi=softfp == VFP with soft ABI */
3666         # } else {
3667         #       /* mfloat-abi=soft == no VFP */
3668         # }
3669         #
3670         # The exception is iOS (w/ GCC) where none of the above
3671         # are defined (but iOS always uses the 'softfp' ABI).
3672         #
3673         # No support for FPA.
3674         #
3675
3676         fpu=NONE
3677
3678         # iOS GCC always uses the 'softfp' ABI.
3679         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3680                 fpu=VFP
3681         fi
3682
3683         # Are we using the 'hard' ABI?
3684         if test x$fpu = xNONE; then
3685                 AC_TRY_COMPILE([], [
3686                         #ifndef __ARM_PCS_VFP
3687                         #error "Float ABI is not 'hard'"
3688                         #endif
3689                         return 0;
3690                 ], [
3691                         fpu=VFP_HARD
3692                 ], [
3693                         fpu=NONE
3694                 ])
3695         fi
3696
3697         # No 'hard' ABI. 'soft' or 'softfp'?
3698         if test x$fpu = xNONE; then
3699                 AC_TRY_COMPILE([], [
3700                         #ifdef __SOFTFP__
3701                         #error "Float ABI is not 'softfp'"
3702                         #endif
3703                         return 0;
3704                 ], [
3705                         fpu=VFP
3706                 ], [
3707                         fpu=NONE
3708                 ])
3709         fi
3710
3711         if test x$arm_fpu != x; then
3712            fpu=$arm_fpu
3713         fi
3714
3715         AC_MSG_RESULT($fpu)
3716         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3717         unset fpu
3718
3719         dnl *********************************************
3720         dnl *** Check which ARM version(s) we can use ***
3721         dnl *********************************************
3722         AC_MSG_CHECKING(which ARM version to use)
3723
3724         AC_TRY_COMPILE([], [
3725                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3726                 #error Not on ARM v5.
3727                 #endif
3728                 return 0;
3729         ], [
3730                 arm_v5=yes
3731
3732                 arm_ver=ARMv5
3733         ], [])
3734
3735         AC_TRY_COMPILE([], [
3736                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3737                 #error Not on ARM v6.
3738                 #endif
3739                 return 0;
3740         ], [
3741                 arm_v5=yes
3742                 arm_v6=yes
3743
3744                 arm_ver=ARMv6
3745         ], [])
3746
3747         AC_TRY_COMPILE([], [
3748                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3749                 #error Not on ARM v7.
3750                 #endif
3751                 return 0;
3752         ], [
3753                 arm_v5=yes
3754                 arm_v6=yes
3755                 arm_v7=yes
3756
3757                 arm_ver=ARMv7
3758         ], [])
3759
3760         AC_MSG_RESULT($arm_ver)
3761
3762         if test x$arm_v5 = xyes; then
3763                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3764                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3765         fi
3766
3767         if test x$arm_v6 = xyes; then
3768                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3769                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3770         fi
3771
3772         if test x$arm_v7 = xyes; then
3773                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3774                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3775         fi
3776 fi
3777
3778 if test ${TARGET} = unknown; then
3779         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3780         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3781 fi
3782
3783 if test "x$platform_android" = "xyes"; then
3784         case "x${TARGET}" in
3785         xARM)
3786                 case "x$arm_ver" in
3787                 xARMv5)
3788                         BTLS_SUPPORTED=yes
3789                         BTLS_PLATFORM=android-armv5
3790                         ;;
3791                 xARMv6)
3792                         BTLS_SUPPORTED=yes
3793                         BTLS_PLATFORM=android-armv6
3794                         ;;
3795                 xARMv7)
3796                         BTLS_SUPPORTED=yes
3797                         BTLS_PLATFORM=android-armv7
3798                         ;;
3799                 *)
3800                         BTLS_SUPPORTED=no
3801                         ;;
3802                 esac
3803                 ;;
3804         xARM64)
3805                 BTLS_SUPPORTED=yes
3806                 BTLS_PLATFORM=android-v8a
3807                 ;;
3808         xX86)
3809                 BTLS_SUPPORTED=yes
3810                 BTLS_PLATFORM=android-x86
3811                 ;;
3812         xAMD64)
3813                 BTLS_SUPPORTED=yes
3814                 BTLS_PLATFORM=android-x64
3815                 ;;
3816         *)
3817                 BTLS_SUPPORTED=no
3818                 ;;
3819         esac
3820 fi
3821
3822 if test ${ACCESS_UNALIGNED} = no; then
3823         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3824 fi
3825
3826 case "x$libgc" in
3827         xincluded)
3828                 # Pass CPPFLAGS to libgc configure
3829                 # We should use a separate variable for this to avoid passing useless and
3830                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3831                 # This should be executed late so we pick up the final version of CPPFLAGS
3832                 # The problem with this approach, is that during a reconfigure, the main
3833                 # configure scripts gets invoked with these arguments, so we use separate
3834                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3835                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3836                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3837                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3838                 fi
3839                 # Don't pass -finstrument-for-thread-suspension in,
3840                 # if these are instrumented it will be very bad news
3841                 # (infinite recursion, undefined parking behavior, etc)
3842                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3843                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3844                 if test "x$support_boehm" = "xyes"; then
3845                         AC_CONFIG_SUBDIRS(libgc)
3846                 fi
3847                 ;;
3848 esac
3849
3850 MALLOC_MEMPOOLS=no
3851 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3852         if test x$with_malloc_mempools = xyes; then
3853                 MALLOC_MEMPOOLS=yes
3854                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3855         fi
3856 ])
3857
3858
3859 DISABLE_MCS_DOCS=default
3860 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3861         if test x$with_mcs_docs != xyes; then
3862                 DISABLE_MCS_DOCS=yes
3863         fi
3864 ])
3865 if test -n "$INSTALL_4_x_TRUE"; then :
3866         DISABLE_MCS_DOCS=yes
3867 fi
3868 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3869    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3870 fi
3871
3872 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3873         if test x$with_lazy_gc_thread_creation != xno ; then
3874                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3875         fi
3876 ], [with_lazy_gc_thread_creation=no])
3877
3878 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])
3879
3880 if test x$with_cooperative_gc = xdefault; then
3881         with_cooperative_gc=$with_cooperative_gc_default
3882 fi
3883
3884 if test x$with_cooperative_gc != xno; then
3885         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3886 fi
3887
3888 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3889
3890 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],[
3891
3892         if test x$enable_checked_build != x ; then
3893                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3894         fi
3895         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3896                 eval "mono_checked_build_test_enable_$feature='yes'"
3897         done
3898
3899         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3900                 eval "mono_checked_build_test_enable_gc='yes'"
3901                 eval "mono_checked_build_test_enable_metadata='yes'"
3902                 eval "mono_checked_build_test_enable_thread='yes'"
3903         fi
3904
3905         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3906                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3907         fi
3908
3909         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3910                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3911         fi
3912
3913         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3914                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3915         fi
3916
3917 ], [])
3918
3919 AC_CHECK_HEADER([malloc.h],
3920                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3921                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3922
3923 if test x"$GCC" = xyes; then
3924         # Implicit function declarations are not 64 bit safe
3925         # Do this late, since this causes lots of configure tests to fail
3926         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3927         # jay has a lot of implicit declarations
3928         JAY_CFLAGS="-Wno-implicit-function-declaration"
3929 fi
3930
3931 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3932 # instead of libmono-static.a
3933 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3934    LIBMONO_LA=libmini-static.la
3935 else
3936    if test x$buildsgen = xyes; then
3937       LIBMONO_LA=libmonosgen-$API_VER.la
3938    else
3939       LIBMONO_LA=libmonoboehm-$API_VER.la
3940    fi
3941 fi
3942 AC_SUBST(LIBMONO_LA)
3943
3944 dnl **************
3945 dnl ***  Btls  ***
3946 dnl **************
3947
3948 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3949 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3950
3951 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3952
3953 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3954
3955 btls_android=no
3956 if test "x$enable_btls" = "xyes"; then
3957         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3958         if test "x$CMAKE" = "xno"; then
3959                 AC_MSG_ERROR("cmake not found")
3960         fi
3961
3962         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3963         AC_SUBST(BTLS_ROOT)
3964
3965         btls_arch=
3966         btls_cflags=
3967         BTLS_CMAKE_ARGS=
3968
3969         case "$BTLS_PLATFORM" in
3970         i386)
3971                 btls_arch=i386
3972                 btls_cflags="-m32"
3973                 case $host_os in
3974                         darwin*)
3975                                 btls_cflags="$btls_cflags -arch i386"
3976                 esac
3977                 ;;
3978         x86_64)
3979                 btls_arch=x86_64
3980                 ;;
3981         android-armv5)
3982                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3983                 ;;
3984         android-armv6)
3985                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3986                 ;;
3987         android-armv7)
3988                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3989                 ;;
3990         android-v8a)
3991                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3992                 ;;
3993         android-x86)
3994                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3995                 ;;
3996         android-x64)
3997                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3998                 ;;
3999         *)
4000                 AC_MSG_ERROR(Invalid BTLS platform)
4001         esac
4002
4003         if test "x$platform_android" = "xyes"; then
4004                 btls_android=yes
4005                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4006                 if test "x$with_btls_android_ndk" != "x"; then
4007                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4008                 fi
4009         fi
4010
4011         if test "x$btls_arch" != "x"; then
4012                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4013         fi
4014
4015         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4016         AC_SUBST(BTLS_ARCH)
4017         AC_SUBST(BTLS_CFLAGS)
4018         AC_SUBST(BTLS_PLATFORM)
4019         AC_SUBST(BTLS_CMAKE_ARGS)
4020
4021         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4022 else
4023         enable_btls=no
4024 fi
4025
4026 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4027
4028 if test x$DISABLE_MCS_DOCS = xyes; then
4029    docs_dir=""
4030 else
4031    docs_dir=docs
4032 fi
4033 AC_SUBST(docs_dir)
4034
4035 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4036 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4037
4038 libmono_ldflags="$libmono_ldflags $LIBS"
4039
4040 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4041 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4042 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4043 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4044 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4045 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4046 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4047 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4048 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4049 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4050 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4051 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4052 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4053 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4054 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4055 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4056 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4057 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4058
4059 AC_SUBST(LIBC)
4060 AC_SUBST(INTL)
4061 AC_SUBST(SQLITE)
4062 AC_SUBST(SQLITE3)
4063 AC_SUBST(X11)
4064 AC_SUBST(GDKX11)
4065 AC_SUBST(GTKX11)
4066 AC_SUBST(XINERAMA)
4067 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4068 AC_SUBST(arch_target)
4069 AC_SUBST(CFLAGS)
4070 AC_SUBST(CPPFLAGS)
4071 AC_SUBST(LDFLAGS)
4072
4073 #This must always be defined when building the runtime
4074 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4075
4076 mono_build_root=`pwd`
4077 AC_SUBST(mono_build_root)
4078
4079 mono_runtime=mono/mini/mono
4080 AC_SUBST(mono_runtime)
4081
4082 CSC=$mono_build_root/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.1.3.2/tools/csc.exe
4083
4084 mono_cfg_root=$mono_build_root/runtime
4085 if test x$host_win32 = xyes; then
4086   if test "x$cross_compiling" = "xno"; then
4087     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4088     CSC="'"`cygpath -w -a $CSC`"'"
4089   else
4090     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4091   fi
4092 else
4093   mono_cfg_dir=$mono_cfg_root/etc
4094 fi
4095 AC_SUBST(mono_cfg_dir)
4096
4097 AC_SUBST(CSC)
4098
4099 AC_CONFIG_FILES([po/mcs/Makefile.in])
4100
4101 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4102 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4103
4104 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4105 [   depth=../../../..
4106     case $srcdir in
4107     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4108     .) reldir=$depth ;;
4109     *) reldir=$depth/$srcdir ;;
4110     esac
4111     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4112     cd runtime/etc/mono/1.0
4113     rm -f machine.config
4114     $LN_S $reldir/data/net_1_1/machine.config machine.config
4115     cd $depth
4116 ],[LN_S='$LN_S'])
4117
4118 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4119 [   depth=../../../..
4120     case $srcdir in
4121     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4122     .) reldir=$depth ;;
4123     *) reldir=$depth/$srcdir ;;
4124     esac
4125     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4126     cd runtime/etc/mono/2.0
4127     rm -f machine.config
4128     $LN_S $reldir/data/net_2_0/machine.config machine.config
4129     cd $depth
4130 ],[LN_S='$LN_S'])
4131
4132 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4133 [   depth=../../../..
4134     case $srcdir in
4135     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4136     .) reldir=$depth ;;
4137     *) reldir=$depth/$srcdir ;;
4138     esac
4139     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4140     cd runtime/etc/mono/2.0
4141     rm -f web.config
4142     $LN_S $reldir/data/net_2_0/web.config web.config
4143     cd $depth
4144 ],[LN_S='$LN_S'])
4145
4146 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4147 [   depth=../../..
4148     case $srcdir in
4149     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4150     .) reldir=$depth ;;
4151     *) reldir=$depth/$srcdir ;;
4152     esac
4153     $ac_aux_dir/install-sh -d runtime/etc/mono/
4154     cd runtime/etc/mono/
4155     rm -f browscap.ini
4156     $LN_S $reldir/data/browscap.ini browscap.ini
4157     cd $depth
4158 ],[LN_S='$LN_S'])
4159
4160 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4161 [   depth=../../../../..
4162     case $srcdir in
4163     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4164     .) reldir=$depth ;;
4165     *) reldir=$depth/$srcdir ;;
4166     esac
4167     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4168     cd runtime/etc/mono/2.0/Browsers
4169     rm -f Compat.browser
4170     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4171     cd $depth
4172 ],[LN_S='$LN_S'])
4173
4174 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4175 [   depth=../../../../..
4176     case $srcdir in
4177     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4178     .) reldir=$depth ;;
4179     *) reldir=$depth/$srcdir ;;
4180     esac
4181     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4182     cd runtime/etc/mono/4.0/Browsers
4183     rm -f Compat.browser
4184     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4185     cd $depth
4186 ],[LN_S='$LN_S'])
4187
4188 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4189 [   depth=../../../../..
4190     case $srcdir in
4191     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4192     .) reldir=$depth ;;
4193     *) reldir=$depth/$srcdir ;;
4194     esac
4195     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4196     cd runtime/etc/mono/4.5/Browsers
4197     rm -f Compat.browser
4198     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4199     cd $depth
4200 ],[LN_S='$LN_S'])
4201
4202 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4203 [   depth=../../../..
4204     case $srcdir in
4205     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4206     .) reldir=$depth ;;
4207     *) reldir=$depth/$srcdir ;;
4208     esac
4209     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4210     cd runtime/etc/mono/4.0
4211     rm -f machine.config
4212     $LN_S $reldir/data/net_4_0/machine.config machine.config
4213     cd $depth
4214 ],[LN_S='$LN_S'])
4215
4216 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4217 [   depth=../../../..
4218     case $srcdir in
4219     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4220     .) reldir=$depth ;;
4221     *) reldir=$depth/$srcdir ;;
4222     esac
4223     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4224     cd runtime/etc/mono/4.0
4225     rm -f web.config
4226     $LN_S $reldir/data/net_4_0/web.config web.config
4227     cd $depth
4228 ],[LN_S='$LN_S'])
4229
4230 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4231 [   depth=../../../..
4232     case $srcdir in
4233     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4234     .) reldir=$depth ;;
4235     *) reldir=$depth/$srcdir ;;
4236     esac
4237     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4238     cd runtime/etc/mono/4.5
4239     rm -f machine.config
4240     $LN_S $reldir/data/net_4_5/machine.config machine.config
4241     cd $depth
4242 ],[LN_S='$LN_S'])
4243
4244 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4245 [   depth=../../../..
4246     case $srcdir in
4247     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4248     .) reldir=$depth ;;
4249     *) reldir=$depth/$srcdir ;;
4250     esac
4251     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4252     cd runtime/etc/mono/4.5
4253     rm -f web.config
4254     $LN_S $reldir/data/net_4_5/web.config web.config
4255     cd $depth
4256 ],[LN_S='$LN_S'])
4257
4258 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])
4259 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])
4260
4261 AC_OUTPUT([
4262 Makefile
4263 mono-uninstalled.pc
4264 acceptance-tests/Makefile
4265 llvm/Makefile
4266 scripts/mono-find-provides
4267 scripts/mono-find-requires
4268 mono/Makefile
4269 mono/btls/Makefile
4270 mono/utils/Makefile
4271 mono/metadata/Makefile
4272 mono/dis/Makefile
4273 mono/cil/Makefile
4274 mono/arch/Makefile
4275 mono/arch/x86/Makefile
4276 mono/arch/amd64/Makefile
4277 mono/arch/ppc/Makefile
4278 mono/arch/sparc/Makefile
4279 mono/arch/s390x/Makefile
4280 mono/arch/arm/Makefile
4281 mono/arch/arm64/Makefile
4282 mono/arch/ia64/Makefile
4283 mono/arch/mips/Makefile
4284 mono/sgen/Makefile
4285 mono/tests/Makefile
4286 mono/tests/tests-config
4287 mono/tests/assemblyresolve/Makefile
4288 mono/tests/gc-descriptors/Makefile
4289 mono/unit-tests/Makefile
4290 mono/benchmark/Makefile
4291 mono/io-layer/Makefile
4292 mono/mini/Makefile
4293 mono/profiler/Makefile
4294 m4/Makefile
4295 ikvm-native/Makefile
4296 scripts/Makefile
4297 man/Makefile
4298 docs/Makefile
4299 data/Makefile
4300 data/net_2_0/Makefile
4301 data/net_4_0/Makefile
4302 data/net_4_5/Makefile
4303 data/net_2_0/Browsers/Makefile
4304 data/net_4_0/Browsers/Makefile
4305 data/net_4_5/Browsers/Makefile
4306 data/mint.pc
4307 data/mono-2.pc
4308 data/monosgen-2.pc
4309 data/mono.pc
4310 data/mono-cairo.pc
4311 data/mono-nunit.pc
4312 data/mono-options.pc
4313 data/mono-lineeditor.pc
4314 data/monodoc.pc
4315 data/dotnet.pc
4316 data/dotnet35.pc
4317 data/wcf.pc
4318 data/cecil.pc
4319 data/system.web.extensions_1.0.pc
4320 data/system.web.extensions.design_1.0.pc
4321 data/system.web.mvc.pc
4322 data/system.web.mvc2.pc
4323 data/system.web.mvc3.pc
4324 data/aspnetwebstack.pc
4325 data/reactive.pc
4326 samples/Makefile
4327 support/Makefile
4328 data/config
4329 tools/Makefile
4330 tools/locale-builder/Makefile
4331 tools/sgen/Makefile
4332 tools/monograph/Makefile
4333 tools/pedump/Makefile
4334 runtime/Makefile
4335 msvc/Makefile
4336 po/Makefile
4337 ])
4338
4339 # Update all submodules recursively to ensure everything is checked out
4340 $srcdir/scripts/update_submodules
4341
4342 if test x$host_win32 = xyes; then
4343    # Get rid of 'cyg' prefixes in library names
4344    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4345    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4346    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4347    # executable doesn't work...
4348    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4349 fi
4350
4351 if test x$host_darwin = xyes; then
4352    # This doesn't seem to be required and it slows down parallel builds
4353    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4354 fi
4355
4356 (
4357   case $prefix in
4358   NONE) prefix=$ac_default_prefix ;;
4359   esac
4360   case $exec_prefix in
4361   NONE) exec_prefix='${prefix}' ;;
4362   esac
4363
4364   #
4365   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4366   # any existing config.make.  This allows people to share the same source tree
4367   # with different build directories, one native and one cross
4368   #
4369   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4370
4371     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4372
4373     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4374     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4375     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4376     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4377     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4378     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4379     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4380     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4381
4382     case $INSTALL in
4383     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4384     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4385     esac
4386
4387     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4388
4389     export VERSION
4390     [myver=$($AWK 'BEGIN {
4391       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4392       if(length(vsplit [1]) > 4) {
4393         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4394       }
4395       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4396     }')]
4397
4398     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4399
4400     if test x$host_darwin = xyes; then
4401       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4402     fi
4403
4404     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4405       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4406     fi
4407
4408         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4409            enable_system_aot=yes
4410         fi
4411
4412     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4413       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4414     fi
4415
4416     if test x$DISABLE_MCS_DOCS = xyes; then
4417       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4418     fi
4419
4420     if test x$has_extension_module != xno; then
4421         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4422     fi
4423
4424     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4425
4426     if test "x$test_bcl_opt" = "xyes"; then
4427       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4428     fi
4429
4430     echo "CSC_LOCATION = $CSC" >> $srcdir/$mcsdir/build/config.make
4431
4432     if test $csc_compiler = mcs; then
4433       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4434     fi
4435
4436     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4437       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4438       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4439     fi
4440
4441     if test "x$enable_btls" = "xyes"; then
4442       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4443       if test "x$enable_dynamic_btls" = "xyes"; then
4444         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4445       fi
4446     fi
4447
4448   fi
4449
4450 )
4451
4452 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4453
4454 btls_platform_string=
4455 if test x$enable_btls = xyes; then
4456         if test x$btls_android = xyes; then
4457                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4458         else
4459                 btls_platform_string=" ($BTLS_PLATFORM)"
4460         fi
4461 fi
4462
4463 echo "
4464         mcs source:    $mcsdir
4465         C# Compiler:   $csc_compiler
4466
4467    Engine:
4468         Host:          $host
4469         Target:        $target
4470         GC:            $gc_msg
4471         TLS:           $with_tls
4472         SIGALTSTACK:   $with_sigaltstack
4473         Engine:        $jit_status
4474         BigArrays:     $enable_big_arrays
4475         DTrace:        $enable_dtrace
4476         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4477
4478    Libraries:
4479         .NET 4.x:        $with_profile4_x
4480         Xamarin.Android: $with_monodroid
4481         Xamarin.iOS:     $with_monotouch
4482         Xamarin.WatchOS: $with_monotouch_watch
4483         Xamarin.TVOS:    $with_monotouch_tv
4484         Xamarin.Mac:     $with_xammac
4485         AOT preferred:   $with_aot_hybrid
4486         AOT only:        $with_aot_only
4487         JNI support:     $jdk_headers_found
4488         libgdiplus:      $libgdiplus_msg
4489         zlib:            $zlib_msg
4490         BTLS:            $enable_btls$btls_platform_string
4491         $disabled
4492 "
4493 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4494    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4495 fi