configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 AC_SUBST(PLATFORM_AOT_SUFFIX)
 383
 384 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 385
 386 AC_CHECK_TOOL(CC, gcc, gcc)
 387 AC_PROG_CC
 388 AC_CHECK_TOOL(CXX, g++, g++)
 389 AC_PROG_CXX
 390 AM_PROG_AS
 391 AC_PROG_INSTALL
 392 AC_PROG_AWK
 393 AM_PROG_CC_C_O
 394 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 395 : ${CCAS='$(CC)'}
 396 # Set ASFLAGS if not already set.
 397 : ${CCASFLAGS='$(CFLAGS)'}
 398 AC_SUBST(CCAS)
 399 AC_SUBST(CCASFLAGS)
 400
 401 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 402 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 403 if test "x$CXX" = "xg++"; then
 404         if test "x$GXX" != "xyes"; then
 405                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 406                 # are inside automake conditionals
 407                 AC_MSG_ERROR([You need to install g++])
 408         fi
 409 fi
 410
 411 dnl may require a specific autoconf version
 412 dnl AC_PROG_CC_FOR_BUILD
 413 dnl CC_FOR_BUILD not automatically detected
 414 CC_FOR_BUILD=$CC
 415 CFLAGS_FOR_BUILD=$CFLAGS
 416 BUILD_EXEEXT=
 417 if test "x$cross_compiling" = "xyes"; then
 418         CC_FOR_BUILD=cc
 419         CFLAGS_FOR_BUILD=
 420         BUILD_EXEEXT=""
 421 fi
 422 AC_SUBST(CC_FOR_BUILD)
 423 AC_SUBST(CFLAGS_FOR_BUILD)
 424 AC_SUBST(HOST_CC)
 425 AC_SUBST(BUILD_EXEEXT)
 426
 427 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 428 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 429
 430 # Set STDC_HEADERS
 431 AC_HEADER_STDC
 432 AC_LIBTOOL_WIN32_DLL
 433 # This causes monodis to not link correctly
 434 #AC_DISABLE_FAST_INSTALL
 435
 436 #lookup makedev() header
 437 AC_HEADER_MAJOR
 438
 439 AM_PROG_LIBTOOL
 440 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 441 DOLT
 442
 443 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 444 AC_SUBST(export_ldflags)
 445
 446 # Test whenever ld supports -version-script
 447 AC_PROG_LD
 448 AC_PROG_LD_GNU
 449
 450 AM_ICONV()
 451
 452 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 453 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 454 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 455                   [], [], [#include <stddef.h>
 456                   #include <sys/socket.h>
 457                   #include <linux/socket.h>])
 458
 459 AC_CHECK_HEADERS(sys/user.h, [], [],
 460 [
 461 #ifdef HAVE_SYS_PARAM_H
 462 # include <sys/param.h>
 463 #endif
 464 ])
 465
 466 AC_CHECK_HEADERS(linux/serial.h)
 467
 468 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 469 if test x$have_zlib = xyes; then
 470    AC_TRY_COMPILE([#include <zlib.h>], [
 471    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 472    return 0;
 473    #else
 474    #error No good zlib found
 475    #endif
 476    ],[
 477         AC_MSG_RESULT(Using system zlib)
 478         zlib_msg="system zlib"
 479         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 480    ],[
 481         AC_MSG_RESULT(Using embedded zlib)
 482         have_zlib=no
 483         zlib_msg="bundled zlib"
 484    ])
 485 fi
 486
 487 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 488 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 489
 490 # for mono/metadata/debug-symfile.c
 491 AC_CHECK_HEADERS(elf.h)
 492
 493 # for support
 494 AC_CHECK_HEADERS(poll.h)
 495 AC_CHECK_HEADERS(sys/poll.h)
 496 AC_CHECK_HEADERS(sys/wait.h)
 497 AC_CHECK_HEADERS(grp.h)
 498 AC_CHECK_HEADERS(syslog.h)
 499
 500 # for mono/dis
 501 AC_CHECK_HEADERS(wchar.h)
 502 AC_CHECK_HEADERS(ieeefp.h)
 503 AC_MSG_CHECKING(for isinf)
 504 AC_TRY_LINK([#include <math.h>], [
 505         int f = isinf (1.0);
 506 ], [
 507         AC_MSG_RESULT(yes)
 508         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 509 ], [
 510         # We'll have to use signals
 511         AC_MSG_RESULT(no)
 512 ])
 513 # mingw
 514 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 515         AC_TRY_LINK([#include <math.h>],
 516         [ _finite(0.0); ],
 517         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 518         AC_MSG_RESULT(no)))
 519
 520 # for Linux statfs support
 521 AC_CHECK_HEADERS(linux/magic.h)
 522
 523 # not 64 bit clean in cross-compile
 524 AC_CHECK_SIZEOF(void *, 4)
 525
 526 AC_CACHE_CHECK([for clang],
 527         mono_cv_clang,[
 528         AC_TRY_COMPILE([], [
 529                 #ifdef __clang__
 530                 #else
 531                 #error "FAILED"
 532                 #endif
 533                 return 0;
 534         ],
 535         [mono_cv_clang=yes],
 536         [mono_cv_clang=no],
 537         [])
 538 ])
 539
 540 AC_ARG_ENABLE(visibility-hidden,
 541 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 542    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 543
 544 WARN=''
 545 if test x"$GCC" = xyes; then
 546         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 547
 548                 # We require C99 with some GNU extensions, e.g. `linux` macro
 549                 CFLAGS="$CFLAGS -std=gnu99"
 550
 551                 # The runtime code does not respect ANSI C strict aliasing rules
 552                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 553
 554                 # We rely on signed overflow to behave
 555                 CFLAGS="$CFLAGS -fwrapv"
 556
 557                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 558                 if test x"$disable_visibility_hidden" = xno; then
 559                    # Don't export any symbols by default
 560                    SHARED_CFLAGS="-fvisibility=hidden"
 561                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 562                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 563                 fi
 564
 565                 ORIG_CFLAGS=$CFLAGS
 566                 # Check for the normal version, since gcc ignores unknown -Wno options
 567                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 568                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 569                 AC_TRY_COMPILE([],[
 570                                 return 0;
 571                 ], [
 572                    AC_MSG_RESULT(yes)
 573                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 574                 ], [
 575                    AC_MSG_RESULT(no)
 576                    CFLAGS=$ORIG_CFLAGS
 577                 ])
 578
 579                 if test "x$mono_cv_clang" = "xyes"; then
 580                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 581                    WARN="$WARN -Qunused-arguments"
 582                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 583                    # We rely on zero length arrays in structs
 584                    WARN="$WARN -Wno-zero-length-array"
 585                 fi
 586 else
 587         # The Sun Forte compiler complains about inline functions that access static variables
 588         # so disable all inlining.
 589         case "$host" in
 590         *-*-solaris*)
 591                 CFLAGS="$CFLAGS -Dinline="
 592                 ;;
 593         esac
 594 fi
 595 CFLAGS="$CFLAGS -g $WARN"
 596 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 597 CPPFLAGS="$CPPFLAGS -g $WARN"
 598
 599 # Where's the 'mcs' source tree?
 600 if test -d $srcdir/mcs; then
 601   mcsdir=mcs
 602 else
 603   mcsdir=../mcs
 604 fi
 605
 606 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 607         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 608                 mcsdir=$with_mcs_path
 609         fi
 610 )
 611
 612 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 613
 614 #
 615 # A sanity check to catch cases where the package was unpacked
 616 # with an ancient tar program (Solaris)
 617 #
 618 AC_ARG_ENABLE(solaris-tar-check,
 619 [  --disable-solaris-tar-check    disable solaris tar check],
 620    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 621
 622 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 623         AC_MSG_CHECKING(integrity of package)
 624         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 625         then
 626                 AC_MSG_RESULT(ok)
 627         else
 628                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 629                 AC_MSG_ERROR([$errorm])
 630         fi
 631 fi
 632
 633 if test "x$with_mcs_path" != "x"; then
 634 mcs_topdir=$(cd "$mcsdir" && pwd)
 635 mcs_topdir_from_srcdir=$mcs_topdir
 636 else
 637 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 638 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 639 fi
 640
 641 # Convert mcs_topdir* paths to Windows syntax.
 642 if test x$cross_compiling$host_win32 = xnoyes; then
 643   mcs_topdir=$(cygpath -m $mcs_topdir)
 644   case $mcs_topdir_from_srcdir in
 645     /cygdrive/*)
 646         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 647         ;;
 648   esac
 649 fi
 650
 651 AC_SUBST([mcs_topdir])
 652 AC_SUBST([mcs_topdir_from_srcdir])
 653
 654 # gettext: prepare the translation directories.
 655 # we do not configure the full gettext, as we consume it dynamically from C#
 656 AM_PO_SUBDIRS
 657
 658 if test "x$USE_NLS" = "xyes"; then
 659    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 660
 661    if test "x$HAVE_MSGFMT" = "xno"; then
 662           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 663    fi
 664 fi
 665
 666 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 667
 668 pkg_config_path=
 669 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 670         if test x$with_crosspkgdir = "x"; then
 671                 if test -s $PKG_CONFIG_PATH; then
 672                         pkg_config_path=$PKG_CONFIG_PATH
 673                 fi
 674         else
 675                 pkg_config_path=$with_crosspkgdir
 676                 PKG_CONFIG_PATH=$pkg_config_path
 677                 export PKG_CONFIG_PATH
 678         fi
 679 )
 680
 681 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 682 if test x$werror_flag = xyes; then
 683         WERROR_CFLAGS="-Werror"
 684 fi
 685 AC_SUBST([WERROR_CFLAGS])
 686 AC_SUBST([SHARED_CFLAGS])
 687
 688 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 689 AC_CONFIG_SUBDIRS(eglib)
 690
 691 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 692 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 693
 694 AC_SUBST(GLIB_CFLAGS)
 695 AC_SUBST(GLIB_LIBS)
 696
 697 # Enable support for fast thread-local storage
 698 # Some systems have broken support, so we allow to disable it.
 699 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 700
 701 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 702 # This does not work on some platforms (bug #55253)
 703 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 704
 705 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 706 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 707 # Same as --with-shared_mono=no
 708 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 709
 710 if test "x$enable_static" = "xno"; then
 711    with_static_mono=no
 712 fi
 713
 714 if test "x$enable_shared" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 if test "x$enable_libraries" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 723
 724 case $host in
 725 *nacl* ) with_shared_mono=yes;;
 726 esac
 727
 728 if test "x$host_win32" = "xyes"; then
 729    # Boehm GC requires the runtime to be in its own dll
 730    with_static_mono=no
 731 fi
 732
 733 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 734 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 735 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 736
 737 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 738 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 739         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 740         ORIG_CFLAGS=$CFLAGS
 741         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 742         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 743         AC_TRY_COMPILE([], [
 744                 return 0;
 745         ], [
 746            AC_MSG_RESULT(yes)
 747            # Pass it to libgc as well
 748            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 749         ], [
 750            AC_MSG_RESULT(no)
 751            CFLAGS=$ORIG_CFLAGS
 752         ])
 753 fi
 754
 755 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 756
 757 if test x$enable_small_config = xyes; then
 758         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 759         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 760 fi
 761
 762 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 763
 764 DISABLED_FEATURES=none
 765 csc_compiler=default
 766 endian=unknown
 767 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 768 AC_MSG_CHECKING([CSharp compiler to use])
 769 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 770    if test x$withval = xmcs; then
 771        csc_compiler=mcs
 772    elif test x$withval = xroslyn; then
 773        csc_compiler=roslyn
 774    elif test x$withval = xdefault; then
 775        :
 776    else
 777        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 778    fi
 779 ],[csc_compiler=default])
 780
 781 if test $csc_compiler = default; then
 782    if test $endian = big; then
 783       csc_compiler=mcs
 784    elif test $endian = little; then
 785       csc_compiler=roslyn
 786    else
 787       csc_compiler=mcs
 788    fi
 789 fi
 790 AC_MSG_RESULT($csc_compiler)
 791
 792 #
 793 # Set the build profiles and options before things which use them
 794 #
 795
 796 AC_ARG_WITH(profile4_x,      [  --with-profile4_x=yes,no        If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 797 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 798 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 799 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 800 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 801 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 802 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 803 AC_ARG_WITH(aot_hybrid,      [  --with-aot_hybrid=yes,no        If you want to build the aot_hybrid assemblies (defaults to no)],     [], [with_aot_hybrid=default])
 804 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])
 805 AC_ARG_WITH(xbox,            [  --with-xbox=yes,no              If you want to build the Xbox assemblies (defaults to no)],           [], [with_xbox=default])
 806
 807 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 808
 809 dnl
 810 dnl Profile defaults
 811 dnl
 812 TEST_PROFILE=default
 813 enable_llvm_default=no
 814
 815 with_profile4_x_default=no
 816 with_monodroid_default=no
 817 with_monotouch_default=no
 818 with_monotouch_watch_default=no
 819 with_monotouch_tv_default=no
 820 with_xammac_default=no
 821 with_aot_hybrid_default=no
 822 with_aot_only_default=no
 823 with_xbox_default=no
 824
 825 with_bitcode_default=no
 826 with_cooperative_gc_default=no
 827
 828 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 829
 830 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 831    DISABLE_MCS_DOCS_default=yes
 832 elif test x$with_runtime_preset = xnet_4_x; then
 833    with_profile4_x_default=yes
 834 elif test x$with_runtime_preset = xall; then
 835    with_profile4_x_default=yes
 836    with_monodroid_default=yes
 837    with_monotouch_default=yes
 838    with_monotouch_watch_default=yes
 839    with_monotouch_tv_default=yes
 840    with_xammac_default=yes
 841 elif test x$with_runtime_preset = xfullaot; then
 842    DISABLE_MCS_DOCS_default=yes
 843    with_aot_only_default=yes
 844    TEST_PROFILE=aot_only
 845
 846    mono_feature_disable_com='yes'
 847    mono_feature_disable_remoting='yes'
 848    mono_feature_disable_reflection_emit_save='yes'
 849    mono_feature_disable_reflection_emit='yes'
 850    mono_feature_disable_appdomains='yes'
 851
 852    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 853    AOT_RUN_FLAGS="--full-aot"
 854 elif test x$with_runtime_preset = xbitcode; then
 855    DISABLE_MCS_DOCS_default=yes
 856    with_aot_only_default=yes
 857    with_bitcode_default=yes
 858    with_cooperative_gc_default=yes
 859    TEST_PROFILE=aot_only
 860    enable_llvm_default=yes
 861
 862    mono_feature_disable_com='yes'
 863    mono_feature_disable_remoting='yes'
 864    mono_feature_disable_reflection_emit_save='yes'
 865    mono_feature_disable_reflection_emit='yes'
 866    mono_feature_disable_appdomains='yes'
 867
 868    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 869    AOT_RUN_FLAGS="--llvmonly"
 870 elif test x$with_runtime_preset = xhybridaot; then
 871    DISABLE_MCS_DOCS_default=yes
 872    with_aot_hybrid_default=yes
 873    TEST_PROFILE=aot_hybrid
 874
 875    mono_feature_disable_com='yes'
 876    mono_feature_disable_remoting='yes'
 877    mono_feature_disable_appdomains='yes'
 878
 879    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 880    AOT_RUN_FLAGS="--hybrid-aot"
 881 elif test x$with_runtime_preset = xaot; then
 882    with_profile4_x_default=yes
 883
 884    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 885    AOT_RUN_FLAGS=""
 886
 887    DISABLE_MCS_DOCS_default=yes
 888 else
 889    with_profile4_x_default=yes
 890 fi
 891
 892 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 893    AC_SUBST(AOT_BUILD_FLAGS)
 894    AC_SUBST(AOT_RUN_FLAGS)
 895    # For llvmonlycheck + fullaotcheck
 896    AC_SUBST(INVARIANT_AOT_OPTIONS)
 897 fi
 898
 899 AC_SUBST(TEST_PROFILE)
 900
 901 if test "x$with_profile4_x" = "xdefault"; then
 902    with_profile4_x=$with_profile4_x_default
 903 fi
 904 if test "x$with_monodroid" = "xdefault"; then
 905    with_monodroid=$with_monodroid_default
 906 fi
 907 if test "x$with_monotouch" = "xdefault"; then
 908    with_monotouch=$with_monotouch_default
 909 fi
 910 if test "x$with_monotouch_watch" = "xdefault"; then
 911    with_monotouch_watch=$with_monotouch_watch_default
 912 fi
 913 if test "x$with_monotouch_tv" = "xdefault"; then
 914    with_monotouch_tv=$with_monotouch_tv_default
 915 fi
 916 if test "x$with_bitcode" = "xdefault"; then
 917    with_bitcode=$with_bitcode_default
 918 fi
 919 if test "x$with_xammac" = "xdefault"; then
 920    with_xammac=$with_xammac_default
 921 fi
 922 if test "x$with_aot_hybrid" = "xdefault"; then
 923    with_aot_hybrid=$with_aot_hybrid_default
 924 fi
 925 if test "x$with_aot_only" = "xdefault"; then
 926    with_aot_only=$with_aot_only_default
 927 fi
 928 if test "x$with_xbox" = "xdefault"; then
 929    with_xbox=$with_xbox_default
 930 fi
 931
 932
 933 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 934 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 935 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 936 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 937 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 938 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 939 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 940 AM_CONDITIONAL(INSTALL_AOT_HYBRID, [test "x$with_aot_hybrid" != "xno"])
 941 AM_CONDITIONAL(INSTALL_AOT_ONLY, [test "x$with_aot_only" != "xno"])
 942
 943 AC_SUBST(INSTALL_AOT_HYBRID)
 944 AC_SUBST(INSTALL_AOT_ONLY)
 945
 946 default_profile=net_4_x
 947 if test -z "$INSTALL_MONODROID_TRUE"; then :
 948    default_profile=monodroid
 949 fi
 950 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 951    default_profile=monotouch
 952 fi
 953 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 954    default_profile=xammac
 955 fi
 956 if test -z "$INSTALL_AOT_HYBRID_TRUE"; then :
 957    default_profile=aot_hybrid
 958 fi
 959 if test -z "$INSTALL_AOT_ONLY_TRUE"; then :
 960    default_profile=aot_only
 961 fi
 962 if test -z "$INSTALL_4_x_TRUE"; then :
 963    default_profile=net_4_x
 964 fi
 965 DEFAULT_PROFILE=$default_profile
 966 AC_SUBST(DEFAULT_PROFILE)
 967
 968 #
 969 # End build profile configuration
 970 #
 971
 972 if test x$USE_NLS = xprofile_default; then
 973
 974 if test x$host_darwin = xyes; then
 975 # We make the default value for USE_NLS
 976 # "no" on OSX because it isn't available on most
 977 # default OSX installs. The most common configurations will
 978 # all disable it, so this saves us typing.
 979   USE_NLS=no
 980   AC_SUBST([USE_NLS])
 981   AC_MSG_RESULT([$USE_NLS])
 982 else
 983   USE_NLS=yes
 984   AC_SUBST([USE_NLS])
 985   AC_MSG_RESULT([$USE_NLS])
 986 fi
 987
 988 fi
 989
 990 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 991      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 992      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 993          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 994 [
 995         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 996                 eval "mono_feature_disable_$feature='yes'"
 997         done
 998         DISABLED_FEATURES=$enable_minimal
 999         disabled="Disabled:      $enable_minimal"
1000 ],[])
1001
1002 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1003
1004 if test "x$mono_feature_disable_aot" = "xyes"; then
1005         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1006         enable_system_aot=no
1007         AC_MSG_NOTICE([Disabled AOT compiler])
1008 fi
1009
1010 if test "x$mono_feature_disable_profiler" = "xyes"; then
1011         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1012         AC_MSG_NOTICE([Disabled support for the profiler])
1013 fi
1014 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1015
1016 if test "x$mono_feature_disable_decimal" = "xyes"; then
1017         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1018         AC_MSG_NOTICE([Disabled support for decimal])
1019 fi
1020
1021 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1022         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1023         AC_MSG_NOTICE([Disabled support for P/Invoke])
1024 fi
1025
1026 if test "x$mono_feature_disable_debug" = "xyes"; then
1027         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1028         AC_MSG_NOTICE([Disabled support for runtime debugging])
1029 fi
1030
1031 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1032         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1033         mono_feature_disable_reflection_emit_save=yes
1034         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1035 fi
1036
1037 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1038         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1039         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1040 fi
1041
1042 if test "x$mono_feature_disable_large_code" = "xyes"; then
1043         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1044         AC_MSG_NOTICE([Disabled support for large assemblies])
1045 fi
1046
1047 if test "x$mono_feature_disable_logging" = "xyes"; then
1048         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1049         AC_MSG_NOTICE([Disabled support for logging])
1050 fi
1051
1052 if test "x$mono_feature_disable_com" = "xyes"; then
1053         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1054         AC_MSG_NOTICE([Disabled COM support])
1055 fi
1056
1057 if test "x$mono_feature_disable_ssa" = "xyes"; then
1058         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1059         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1060 fi
1061
1062 if test "x$mono_feature_disable_generics" = "xyes"; then
1063         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1064         AC_MSG_NOTICE([Disabled Generics Support])
1065 fi
1066
1067 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1068         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1069         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1070 fi
1071
1072 if test "x$mono_feature_disable_portability" = "xyes"; then
1073         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1074         AC_MSG_NOTICE([Disabled IO Portability layer])
1075 fi
1076
1077 if test "x$mono_feature_disable_attach" = "xyes"; then
1078         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1079         AC_MSG_NOTICE([Disabled agent attach])
1080 fi
1081
1082 if test "x$mono_feature_disable_verifier" = "xyes"; then
1083         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1084         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1085 fi
1086
1087 if test "x$mono_feature_disable_jit" = "xyes"; then
1088         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1089         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1090 fi
1091
1092 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1093
1094 if test "x$mono_feature_disable_simd" = "xyes"; then
1095         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1096         AC_MSG_NOTICE([Disabled SIMD support])
1097 fi
1098
1099 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1100         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1101         AC_MSG_NOTICE([Disabled Soft Debugger.])
1102 fi
1103
1104 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1105         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1106         AC_MSG_NOTICE([Disabled Performance Counters.])
1107 fi
1108 if test "x$mono_feature_disable_normalization" = "xyes"; then
1109         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1110         AC_MSG_NOTICE([Disabled String normalization support.])
1111 fi
1112
1113 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1114         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1115         AC_MSG_NOTICE([Disabled Assembly remapping.])
1116 fi
1117
1118 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1119         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1120         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1121 fi
1122
1123 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1124         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1125         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1126 fi
1127
1128 if test "x$mono_feature_disable_remoting" = "xyes"; then
1129         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1130         AC_MSG_NOTICE([Disabled remoting])
1131 fi
1132
1133 if test "x$mono_feature_disable_security" = "xyes"; then
1134         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1135         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1136 fi
1137
1138 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1139         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1140         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1141 fi
1142
1143 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1144         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1145         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1146 fi
1147
1148 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1149         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1150         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1151 fi
1152
1153 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1154         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1155         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1156 fi
1157
1158 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1159         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1160         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1161 fi
1162
1163 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1164 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1165
1166 has_extension_module=no
1167 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1168 [
1169         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1170                 if test x$extension = xdefault ; then
1171                         has_extension_module=yes;
1172                 fi
1173         done
1174         if test x$enable_extension_module = xyes; then
1175                 has_extension_module=yes;
1176         fi
1177 ], [])
1178
1179 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1180
1181 if test x$has_extension_module != xno ; then
1182         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1183         AC_MSG_NOTICE([Enabling mono extension module.])
1184 fi
1185
1186 # Deprecated
1187 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1188
1189 AC_MSG_CHECKING(for visibility __attribute__)
1190 AC_COMPILE_IFELSE([
1191         AC_LANG_SOURCE([[
1192                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1193                 int main () { doit (); return 0; }
1194         ]])
1195 ], [
1196    have_visibility_hidden=yes
1197    AC_MSG_RESULT(yes)
1198 ], [
1199    have_visibility_hidden=no
1200    AC_MSG_RESULT(no)
1201 ])
1202
1203 dnl
1204 dnl Boehm GC configuration
1205 dnl
1206
1207 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1208
1209 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1210 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1211
1212 if test "x$support_boehm" = "xyes"; then
1213
1214         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1215         if test x$enable_parallel_mark = xyes; then
1216                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1217         fi
1218
1219         gc_msg=""
1220         LIBGC_CPPFLAGS=
1221         LIBGC_LIBS=
1222         LIBGC_STATIC_LIBS=
1223         libgc_dir=
1224         case "x$libgc" in
1225                 xincluded)
1226                         if test "x$support_boehm" = "xyes"; then
1227                                 libgc_dir=libgc
1228                         fi
1229
1230                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1231                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1232                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1233
1234                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1235
1236                         if test x$target_win32 = xyes; then
1237                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1238                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1239                         fi
1240
1241                         gc_msg="Included Boehm GC with typed GC"
1242                         if test x$enable_parallel_mark = xyes; then
1243                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1244                                 gc_msg="$gc_msg and parallel mark"
1245                         else
1246                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1247                         fi
1248                         ;;
1249
1250                 xboehm|xbohem|xyes)
1251                         AC_MSG_WARN("External Boehm is no longer supported")
1252                         ;;
1253
1254                 xsgen)
1255                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1256                         ;;
1257
1258                 xnone)
1259                         AC_MSG_WARN("Compiling mono without GC.")
1260                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1261                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1262                         gc_msg="none"
1263                         ;;
1264                 *)
1265                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1266                         ;;
1267         esac
1268
1269         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1270         if test "x$large_heap" = "xyes"; then
1271            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1272         fi
1273
1274         AC_SUBST(LIBGC_CPPFLAGS)
1275         AC_SUBST(LIBGC_LIBS)
1276         AC_SUBST(LIBGC_STATIC_LIBS)
1277         AC_SUBST(libgc_dir)
1278         AC_SUBST(BOEHM_DEFINES)
1279
1280 fi
1281
1282 dnl
1283 dnl End of Boehm GC Configuration
1284 dnl
1285
1286 dnl *************************************
1287 dnl *** Checks for zero length arrays ***
1288 dnl *************************************
1289 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1290 AC_TRY_COMPILE([
1291         struct s {
1292                 int  length;
1293                 char data [0];
1294         };
1295 ], [], [
1296         AC_MSG_RESULT(yes)
1297         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1298 ], [
1299         AC_MSG_RESULT(no)
1300         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1301 ])
1302
1303 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1304
1305 dnl ***********************************
1306 dnl *** Checks for signals
1307 dnl ***********************************
1308 AC_CHECK_HEADERS(signal.h)
1309 AC_CHECK_FUNCS(sigaction)
1310 AC_CHECK_FUNCS(kill)
1311 AC_CHECK_FUNCS(signal)
1312
1313 # signal() is declared inline in Android headers
1314 # so we need to workaround it by overriding the check.
1315 if test x$platform_android = xyes; then
1316         AC_DEFINE(HAVE_SIGNAL,1)
1317 fi
1318
1319 if test x$host_win32 = xno; then
1320
1321         dnl hires monotonic clock support
1322         AC_SEARCH_LIBS(clock_gettime, rt)
1323         AC_CHECK_FUNCS(clock_nanosleep)
1324
1325         dnl dynamic loader support
1326         AC_CHECK_FUNC(dlopen, DL_LIB="",
1327                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1328         )
1329         if test x$dl_support = xno; then
1330                 AC_MSG_WARN([No dynamic loading support available])
1331         else
1332                 LIBS="$LIBS $DL_LIB"
1333                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1334                 dnl from glib's configure.ac
1335                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1336                         mono_cv_uscore,[
1337                         AC_TRY_RUN([#include <dlfcn.h>
1338                         int mono_underscore_test (void) { return 42; }
1339                         int main() {
1340                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1341                           handle = dlopen ((void*)0, 0);
1342                           if (handle) {
1343                             f1 = dlsym (handle, "mono_underscore_test");
1344                             f2 = dlsym (handle, "_mono_underscore_test");
1345                           } return (!f2 || f1);
1346                         }],
1347                                 [mono_cv_uscore=yes],
1348                                 [mono_cv_uscore=no],
1349                         [])
1350                 ])
1351                 if test "x$mono_cv_uscore" = "xyes"; then
1352                         MONO_DL_NEED_USCORE=1
1353                 else
1354                         MONO_DL_NEED_USCORE=0
1355                 fi
1356                 AC_SUBST(MONO_DL_NEED_USCORE)
1357                 AC_CHECK_FUNC(dlerror)
1358         fi
1359
1360         dnl ******************************************************************
1361         dnl *** Checks for the IKVM JNI interface library                  ***
1362         dnl ******************************************************************
1363         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])
1364
1365         ikvm_native_dir=
1366         if test x$with_ikvm_native = xyes; then
1367                 ikvm_native_dir=ikvm-native
1368                 jdk_headers_found="IKVM Native"
1369         fi
1370
1371         AC_SUBST(ikvm_native_dir)
1372
1373         AC_CHECK_HEADERS(execinfo.h)
1374
1375         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1376
1377         AC_CHECK_FUNCS(getgrgid_r)
1378         AC_CHECK_FUNCS(getgrnam_r)
1379         AC_CHECK_FUNCS(getpwnam_r)
1380         AC_CHECK_FUNCS(getpwuid_r)
1381         AC_CHECK_FUNCS(getresuid)
1382         AC_CHECK_FUNCS(setresuid)
1383         AC_CHECK_FUNCS(kqueue)
1384         AC_CHECK_FUNCS(backtrace_symbols)
1385         AC_CHECK_FUNCS(mkstemp)
1386         AC_CHECK_FUNCS(mmap)
1387         AC_CHECK_FUNCS(madvise)
1388         AC_CHECK_FUNCS(getrusage)
1389         AC_CHECK_FUNCS(getpriority)
1390         AC_CHECK_FUNCS(setpriority)
1391         AC_CHECK_FUNCS(dl_iterate_phdr)
1392         AC_CHECK_FUNCS(dladdr)
1393         AC_CHECK_FUNCS(sysconf)
1394         AC_CHECK_FUNCS(getrlimit)
1395         AC_CHECK_FUNCS(prctl)
1396
1397         AC_CHECK_FUNCS(sched_getaffinity)
1398         AC_CHECK_FUNCS(sched_setaffinity)
1399         AC_CHECK_FUNCS(sched_getcpu)
1400
1401         dnl ****************************************************************
1402         dnl *** Check for sched_setaffinity from glibc versions before   ***
1403         dnl *** 2.3.4. The older versions of the function only take 2    ***
1404         dnl *** parameters, not 3.                                       ***
1405         dnl ***                                                          ***
1406         dnl *** Because the interface change was not made in a minor     ***
1407         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1408         dnl *** won't always indicate the interface sched_affinity has.  ***
1409         dnl ****************************************************************
1410         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1411         AC_TRY_COMPILE([#include <sched.h>], [
1412             int mask = 1;
1413             sched_setaffinity(0, &mask);
1414                         return 0;
1415         ], [
1416                 # Yes, we have it...
1417                 AC_MSG_RESULT(yes)
1418                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1419         ], [
1420                 # We have the new, three-parameter version
1421                 AC_MSG_RESULT(no)
1422         ])
1423         AC_TRY_COMPILE([#include <sched.h>], [
1424              CPU_COUNT((void *) 0);
1425         ], [
1426                 AC_MSG_RESULT(yes)
1427                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1428         ], [
1429                 # We have the new, three-parameter version
1430                 AC_MSG_RESULT(no)
1431         ])
1432
1433         dnl ******************************************************************
1434         dnl *** Check for large file support                               ***
1435         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1436         dnl ******************************************************************
1437
1438         # Check that off_t can represent 2**63 - 1 correctly, working around
1439         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1440         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1441         large_offt=no
1442         AC_DEFUN([LARGE_FILES], [
1443                 large_CPPFLAGS=$CPPFLAGS
1444                 CPPFLAGS="$CPPFLAGS $1"
1445                 AC_TRY_COMPILE([
1446                         #include <sys/types.h>
1447                         #include <limits.h>
1448                 ], [
1449                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1450                         #define COMPILE_TIME_ASSERT(pred) \
1451                                 switch(0){case 0:case pred:;}
1452                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1453                 ], [
1454                         AC_MSG_RESULT(ok)
1455                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1456                         large_CPPFLAGS="$large_CPPFLAGS $1"
1457                         large_offt=yes
1458                 ], [
1459                         AC_MSG_RESULT(no)
1460                 ])
1461                 CPPFLAGS=$large_CPPFLAGS
1462         ])
1463
1464         AC_MSG_CHECKING(if off_t is 64 bits wide)
1465         LARGE_FILES("")
1466         if test $large_offt = no; then
1467                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1468                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1469         fi
1470         if test $large_offt = no; then
1471                 AC_MSG_WARN([No 64 bit file size support available])
1472         fi
1473
1474         dnl *****************************
1475         dnl *** Checks for libsocket  ***
1476         dnl *****************************
1477         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1478
1479         case "$host" in
1480                 *-*-*freebsd*)
1481                         dnl *****************************
1482                         dnl *** Checks for libinotify ***
1483                         dnl *****************************
1484                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1485         esac
1486
1487         dnl *******************************
1488         dnl *** Checks for MSG_NOSIGNAL ***
1489         dnl *******************************
1490         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1491         AC_TRY_COMPILE([#include <sys/socket.h>], [
1492                 int f = MSG_NOSIGNAL;
1493         ], [
1494                 # Yes, we have it...
1495                 AC_MSG_RESULT(yes)
1496                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1497         ], [
1498                 # We'll have to use signals
1499                 AC_MSG_RESULT(no)
1500         ])
1501
1502         dnl *****************************
1503         dnl *** Checks for IPPROTO_IP ***
1504         dnl *****************************
1505         AC_MSG_CHECKING(for IPPROTO_IP)
1506         AC_TRY_COMPILE([#include <netinet/in.h>], [
1507                 int level = IPPROTO_IP;
1508         ], [
1509                 # Yes, we have it...
1510                 AC_MSG_RESULT(yes)
1511                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1512         ], [
1513                 # We'll have to use getprotobyname
1514                 AC_MSG_RESULT(no)
1515         ])
1516
1517         dnl *******************************
1518         dnl *** Checks for IPPROTO_IPV6 ***
1519         dnl *******************************
1520         AC_MSG_CHECKING(for IPPROTO_IPV6)
1521         AC_TRY_COMPILE([#include <netinet/in.h>], [
1522                 int level = IPPROTO_IPV6;
1523         ], [
1524                 # Yes, we have it...
1525                 AC_MSG_RESULT(yes)
1526                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1527         ], [
1528                 # We'll have to use getprotobyname
1529                 AC_MSG_RESULT(no)
1530         ])
1531
1532         dnl ******************************
1533         dnl *** Checks for IPPROTO_TCP ***
1534         dnl ******************************
1535         AC_MSG_CHECKING(for IPPROTO_TCP)
1536         AC_TRY_COMPILE([#include <netinet/in.h>], [
1537                 int level = IPPROTO_TCP;
1538         ], [
1539                 # Yes, we have it...
1540                 AC_MSG_RESULT(yes)
1541                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1542         ], [
1543                 # We'll have to use getprotobyname
1544                 AC_MSG_RESULT(no)
1545         ])
1546
1547         dnl *****************************
1548         dnl *** Checks for SOL_IP     ***
1549         dnl *****************************
1550         AC_MSG_CHECKING(for SOL_IP)
1551         AC_TRY_COMPILE([#include <netdb.h>], [
1552                 int level = SOL_IP;
1553         ], [
1554                 # Yes, we have it...
1555                 AC_MSG_RESULT(yes)
1556                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1557         ], [
1558                 # We'll have to use getprotobyname
1559                 AC_MSG_RESULT(no)
1560         ])
1561
1562         dnl *****************************
1563         dnl *** Checks for SOL_IPV6     ***
1564         dnl *****************************
1565         AC_MSG_CHECKING(for SOL_IPV6)
1566         AC_TRY_COMPILE([#include <netdb.h>], [
1567                 int level = SOL_IPV6;
1568         ], [
1569                 # Yes, we have it...
1570                 AC_MSG_RESULT(yes)
1571                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1572         ], [
1573                 # We'll have to use getprotobyname
1574                 AC_MSG_RESULT(no)
1575         ])
1576
1577         dnl *****************************
1578         dnl *** Checks for SOL_TCP    ***
1579         dnl *****************************
1580         AC_MSG_CHECKING(for SOL_TCP)
1581         AC_TRY_COMPILE([#include <netdb.h>], [
1582                 int level = SOL_TCP;
1583         ], [
1584                 # Yes, we have it...
1585                 AC_MSG_RESULT(yes)
1586                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1587         ], [
1588                 # We'll have to use getprotobyname
1589                 AC_MSG_RESULT(no)
1590         ])
1591
1592         dnl *****************************
1593         dnl *** Checks for IP_PKTINFO ***
1594         dnl *****************************
1595         AC_MSG_CHECKING(for IP_PKTINFO)
1596         AC_TRY_COMPILE([#include <linux/in.h>], [
1597                 int level = IP_PKTINFO;
1598         ], [
1599                 # Yes, we have it...
1600                 AC_MSG_RESULT(yes)
1601                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1602         ], [
1603                 AC_MSG_RESULT(no)
1604         ])
1605
1606         dnl *****************************
1607         dnl *** Checks for IPV6_PKTINFO ***
1608         dnl *****************************
1609         AC_MSG_CHECKING(for IPV6_PKTINFO)
1610         AC_TRY_COMPILE([#include <netdb.h>], [
1611                 int level = IPV6_PKTINFO;
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1616         ], [
1617                 AC_MSG_RESULT(no)
1618         ])
1619
1620         dnl **********************************
1621         dnl *** Checks for IP_DONTFRAG     ***
1622         dnl **********************************
1623         AC_MSG_CHECKING(for IP_DONTFRAG)
1624         AC_TRY_COMPILE([#include <netinet/in.h>], [
1625                 int level = IP_DONTFRAG;
1626         ], [
1627                 # Yes, we have it...
1628                 AC_MSG_RESULT(yes)
1629                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1630         ], [
1631                 AC_MSG_RESULT(no)
1632         ])
1633
1634         dnl **********************************
1635         dnl *** Checks for IP_DONTFRAGMENT ***
1636         dnl **********************************
1637         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1638         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1639                 int level = IP_DONTFRAGMENT;
1640         ], [
1641                 # Yes, we have it...
1642                 AC_MSG_RESULT(yes)
1643                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1644         ], [
1645                 AC_MSG_RESULT(no)
1646         ])
1647
1648         dnl **********************************
1649         dnl *** Checks for IP_MTU_DISCOVER ***
1650         dnl **********************************
1651         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1652         AC_TRY_COMPILE([#include <linux/in.h>], [
1653                 int level = IP_MTU_DISCOVER;
1654         ], [
1655                 # Yes, we have it...
1656                 AC_MSG_RESULT(yes)
1657                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1658         ], [
1659                 AC_MSG_RESULT(no)
1660         ])
1661
1662         dnl **********************************
1663         dnl *** Checks for  IP_PMTUDISC_DO ***
1664         dnl **********************************
1665         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1666         AC_TRY_COMPILE([#include <linux/in.h>], [
1667                 int level = IP_PMTUDISC_DO;
1668         ], [
1669                 # Yes, we have it...
1670                 AC_MSG_RESULT(yes)
1671                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1672         ], [
1673                 AC_MSG_RESULT(no)
1674         ])
1675
1676         dnl *********************************
1677         dnl *** Check for struct ip_mreqn ***
1678         dnl *********************************
1679         AC_MSG_CHECKING(for struct ip_mreqn)
1680         AC_TRY_COMPILE([#include <netinet/in.h>], [
1681                 struct ip_mreqn mreq;
1682                 mreq.imr_address.s_addr = 0;
1683         ], [
1684                 # Yes, we have it...
1685                 AC_MSG_RESULT(yes)
1686                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1687         ], [
1688                 # We'll just have to try and use struct ip_mreq
1689                 AC_MSG_RESULT(no)
1690                 AC_MSG_CHECKING(for struct ip_mreq)
1691                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1692                         struct ip_mreq mreq;
1693                         mreq.imr_interface.s_addr = 0;
1694                 ], [
1695                         # Yes, we have it...
1696                         AC_MSG_RESULT(yes)
1697                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1698                 ], [
1699                         # No multicast support
1700                         AC_MSG_RESULT(no)
1701                 ])
1702         ])
1703
1704         dnl **********************************
1705         dnl *** Check for getaddrinfo ***
1706         dnl **********************************
1707         AC_MSG_CHECKING(for getaddrinfo)
1708                 AC_TRY_LINK([
1709                 #include <stdio.h>
1710                 #include <netdb.h>
1711         ], [
1712                 getaddrinfo(NULL,NULL,NULL,NULL);
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl **********************************
1722         dnl *** Check for gethostbyname2_r ***
1723         dnl **********************************
1724         AC_MSG_CHECKING(for gethostbyname2_r)
1725                 AC_TRY_LINK([
1726                 #include <stdio.h>
1727                 #include <netdb.h>
1728         ], [
1729
1730                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1731         ], [
1732                 # Yes, we have it...
1733                 AC_MSG_RESULT(yes)
1734                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1735         ], [
1736                 AC_MSG_RESULT(no)
1737         ])
1738
1739         dnl **********************************
1740         dnl *** Check for gethostbyname2 ***
1741         dnl **********************************
1742         AC_MSG_CHECKING(for gethostbyname2)
1743                 AC_TRY_LINK([
1744                 #include <stdio.h>
1745                 #include <netdb.h>
1746         ], [
1747                 gethostbyname2(NULL,0);
1748         ], [
1749                 # Yes, we have it...
1750                 AC_MSG_RESULT(yes)
1751                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1752         ], [
1753                 AC_MSG_RESULT(no)
1754         ])
1755
1756         dnl **********************************
1757         dnl *** Check for gethostbyname ***
1758         dnl **********************************
1759         AC_MSG_CHECKING(for gethostbyname)
1760                 AC_TRY_LINK([
1761                 #include <stdio.h>
1762                 #include <netdb.h>
1763         ], [
1764                 gethostbyname(NULL);
1765         ], [
1766                 # Yes, we have it...
1767                 AC_MSG_RESULT(yes)
1768                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1769         ], [
1770                 AC_MSG_RESULT(no)
1771         ])
1772
1773         dnl **********************************
1774         dnl *** Check for getprotobyname ***
1775         dnl **********************************
1776         AC_MSG_CHECKING(for getprotobyname)
1777                 AC_TRY_LINK([
1778                 #include <stdio.h>
1779                 #include <netdb.h>
1780         ], [
1781                 getprotobyname(NULL);
1782         ], [
1783                 # Yes, we have it...
1784                 AC_MSG_RESULT(yes)
1785                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1786         ], [
1787                 AC_MSG_RESULT(no)
1788         ])
1789
1790         dnl **********************************
1791         dnl *** Check for getnameinfo ***
1792         dnl **********************************
1793         AC_MSG_CHECKING(for getnameinfo)
1794                 AC_TRY_LINK([
1795                 #include <stdio.h>
1796                 #include <netdb.h>
1797         ], [
1798                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1799         ], [
1800                 # Yes, we have it...
1801                 AC_MSG_RESULT(yes)
1802                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1803         ], [
1804                 AC_MSG_RESULT(no)
1805         ])
1806
1807
1808         dnl **********************************
1809         dnl *** Check for inet_ntop ***
1810         dnl **********************************
1811         AC_MSG_CHECKING(for inet_ntop)
1812                 AC_TRY_LINK([
1813                 #include <stdio.h>
1814                 #include <arpa/inet.h>
1815         ], [
1816                 inet_ntop (0, NULL, NULL, 0);
1817         ], [
1818                 # Yes, we have it...
1819                 AC_MSG_RESULT(yes)
1820                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1821         ], [
1822                 AC_MSG_RESULT(no)
1823         ])
1824
1825         dnl *****************************
1826         dnl *** Checks for libnsl     ***
1827         dnl *****************************
1828         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1829
1830         AC_CHECK_FUNCS(inet_pton inet_aton)
1831
1832         dnl *****************************
1833         dnl *** Checks for libxnet    ***
1834         dnl *****************************
1835         case "${host}" in
1836                 *solaris* )
1837                         AC_MSG_CHECKING(for Solaris XPG4 support)
1838                         if test -f /usr/lib/libxnet.so; then
1839                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1840                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1841                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1842                                 LIBS="$LIBS -lxnet"
1843                                 AC_MSG_RESULT(yes)
1844                         else
1845                                 AC_MSG_RESULT(no)
1846                         fi
1847
1848                         if test "$GCC" = "yes"; then
1849                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1850                         fi
1851                 ;;
1852         esac
1853
1854         dnl *****************************
1855         dnl *** Checks for libpthread ***
1856         dnl *****************************
1857 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1858 # and libpthread does not exist
1859 #
1860         case "${host}" in
1861                 *-*-*freebsd*)
1862                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1863                 ;;
1864                 *-*-*openbsd*)
1865                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1866                 ;;
1867                 *)
1868                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1869                 ;;
1870         esac
1871         AC_CHECK_HEADERS(pthread.h)
1872         AC_CHECK_HEADERS(pthread_np.h)
1873         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1874         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1875         AC_CHECK_FUNCS(pthread_kill)
1876         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1877         AC_TRY_COMPILE([ #include <pthread.h>], [
1878                 pthread_mutexattr_t attr;
1879                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1880         ], [
1881                 AC_MSG_RESULT(ok)
1882         ], [
1883                 AC_MSG_RESULT(no)
1884                 AC_ERROR(Posix system lacks support for recursive mutexes)
1885         ])
1886         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1887         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1888         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1889
1890         dnl **********************************
1891         dnl *** Check for mincore ***
1892         dnl **********************************
1893         AC_MSG_CHECKING(for mincore)
1894                 AC_TRY_LINK([
1895                 #include <stdio.h>
1896                 #include <sys/types.h>
1897                 #include <sys/mman.h>
1898         ], [
1899                 mincore(NULL, 0, NULL);
1900         ], [
1901                 # Yes, we have it...
1902                 AC_MSG_RESULT(yes)
1903                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1904         ], [
1905                 AC_MSG_RESULT(no)
1906         ])
1907
1908         dnl ***********************************
1909         dnl *** Checks for working __thread ***
1910         dnl ***********************************
1911         AC_MSG_CHECKING(for working __thread)
1912         if test "x$with_tls" != "x__thread"; then
1913                 AC_MSG_RESULT(disabled)
1914         elif test "x$cross_compiling" = "xyes"; then
1915                 AC_MSG_RESULT(cross compiling, assuming yes)
1916         else
1917                 AC_TRY_RUN([
1918                         #if defined(__APPLE__) && defined(__clang__)
1919                         #error "__thread does not currently work with clang on Mac OS X"
1920                         #endif
1921
1922                         #include <pthread.h>
1923                         __thread int i;
1924                         static int res1, res2;
1925
1926                         void thread_main (void *arg)
1927                         {
1928                                 i = arg;
1929                                 sleep (1);
1930                                 if (arg == 1)
1931                                         res1 = (i == arg);
1932                                 else
1933                                         res2 = (i == arg);
1934                         }
1935
1936                         int main () {
1937                                 pthread_t t1, t2;
1938
1939                                 i = 5;
1940
1941                                 pthread_create (&t1, NULL, thread_main, 1);
1942                                 pthread_create (&t2, NULL, thread_main, 2);
1943
1944                                 pthread_join (t1, NULL);
1945                                 pthread_join (t2, NULL);
1946
1947                                 return !(res1 + res2 == 2);
1948                         }
1949                 ], [
1950                                 AC_MSG_RESULT(yes)
1951                 ], [
1952                                 AC_MSG_RESULT(no)
1953                                 with_tls=pthread
1954                 ])
1955         fi
1956
1957         dnl **************************************
1958         dnl *** Checks for working sigaltstack ***
1959         dnl **************************************
1960         AC_MSG_CHECKING(for working sigaltstack)
1961         if test "x$with_sigaltstack" != "xyes"; then
1962                 AC_MSG_RESULT(disabled)
1963         elif test "x$cross_compiling" = "xyes"; then
1964                 AC_MSG_RESULT(cross compiling, assuming yes)
1965         else
1966                 AC_TRY_RUN([
1967                         #include <stdio.h>
1968                         #include <stdlib.h>
1969                         #include <unistd.h>
1970                         #include <signal.h>
1971                         #include <pthread.h>
1972                         #include <sys/wait.h>
1973                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1974                         #define SA_STACK SA_ONSTACK
1975                         #endif
1976                         static void
1977                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1978                         {
1979                                 exit (0);
1980                         }
1981
1982                         volatile char*__ptr = NULL;
1983                         static void *
1984                         loop (void *ignored)
1985                         {
1986                                 *__ptr = 0;
1987                                 return NULL;
1988                         }
1989
1990                         static void
1991                         child ()
1992                         {
1993                                 struct sigaction sa;
1994                         #ifdef __APPLE__
1995                                 stack_t sas;
1996                         #else
1997                                 struct sigaltstack sas;
1998                         #endif
1999                                 pthread_t id;
2000                                 pthread_attr_t attr;
2001
2002                                 sa.sa_sigaction = sigsegv_signal_handler;
2003                                 sigemptyset (&sa.sa_mask);
2004                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2005                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2006                                         perror ("sigaction");
2007                                         return;
2008                                 }
2009
2010                                 /* x86 darwin deliver segfaults using SIGBUS */
2011                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2012                                         perror ("sigaction");
2013                                         return;
2014                                 }
2015                                 sas.ss_sp = malloc (SIGSTKSZ);
2016                                 sas.ss_size = SIGSTKSZ;
2017                                 sas.ss_flags = 0;
2018                                 if (sigaltstack (&sas, NULL) == -1) {
2019                                         perror ("sigaltstack");
2020                                         return;
2021                                 }
2022
2023                                 pthread_attr_init (&attr);
2024                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2025                                         printf ("pthread_create\n");
2026                                         return;
2027                                 }
2028
2029                                 sleep (100);
2030                         }
2031
2032                         int
2033                         main ()
2034                         {
2035                                 pid_t son;
2036                                 int status;
2037                                 int i;
2038
2039                                 son = fork ();
2040                                 if (son == -1) {
2041                                         return 1;
2042                                 }
2043
2044                                 if (son == 0) {
2045                                         child ();
2046                                         return 0;
2047                                 }
2048
2049                                 for (i = 0; i < 300; ++i) {
2050                                         waitpid (son, &status, WNOHANG);
2051                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2052                                                 return 0;
2053                                         usleep (10000);
2054                                 }
2055
2056                                 kill (son, SIGKILL);
2057                                 return 1;
2058                         }
2059
2060                 ], [
2061                                 AC_MSG_RESULT(yes)
2062                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2063                 ], [
2064                                 with_sigaltstack=no
2065                                 AC_MSG_RESULT(no)
2066                 ])
2067         fi
2068
2069         dnl ********************************
2070         dnl *** Checks for semaphore lib ***
2071         dnl ********************************
2072         # 'Real Time' functions on Solaris
2073         # posix4 on Solaris 2.6
2074         # pthread (first!) on Linux
2075         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2076
2077         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2078         AC_CHECK_FUNCS(shm_open)
2079
2080         dnl ********************************
2081         dnl *** Checks for timezone stuff **
2082         dnl ********************************
2083         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2084                 AC_TRY_COMPILE([
2085                         #include <time.h>
2086                         ], [
2087                         struct tm tm;
2088                         tm.tm_gmtoff = 1;
2089                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2090         if test $ac_cv_struct_tm_gmtoff = yes; then
2091                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2092         else
2093                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2094                         AC_TRY_COMPILE([
2095                                 #include <time.h>
2096                         ], [
2097                                 timezone = 1;
2098                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2099                 if test $ac_cv_var_timezone = yes; then
2100                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2101                 else
2102                         AC_ERROR(unable to find a way to determine timezone)
2103                 fi
2104         fi
2105
2106         dnl *********************************
2107         dnl *** Checks for math functions ***
2108         dnl *********************************
2109         AC_SEARCH_LIBS(sqrtf, m)
2110         if test "x$has_broken_apple_cpp" != "xyes"; then
2111                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2112                         AC_TRY_LINK([#include <math.h>],
2113                         [ finite(0.0); ],
2114                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2115                         AC_MSG_RESULT(no)))
2116         fi
2117         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2118                 AC_TRY_LINK([#include <math.h>],
2119                 [ isfinite(0.0); ],
2120                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2121                 AC_MSG_RESULT(no)))
2122
2123         dnl ****************************************************************
2124         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2125         dnl *** have it in the library (duh))                            ***
2126         dnl ****************************************************************
2127         AC_CHECK_FUNCS(poll)
2128
2129         dnl *************************
2130         dnl *** Check for signbit ***
2131         dnl *************************
2132         AC_MSG_CHECKING(for signbit)
2133         AC_TRY_LINK([#include <math.h>], [
2134                 int s = signbit(1.0);
2135         ], [
2136                 AC_MSG_RESULT(yes)
2137                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2138         ], [
2139                 AC_MSG_RESULT(no)
2140         ])
2141
2142         dnl **********************************
2143         dnl *** epoll                      ***
2144         dnl **********************************
2145         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2146                 AC_CHECK_HEADERS(sys/epoll.h)
2147                 haveepoll=no
2148                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2149                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2150                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2151                 fi
2152         fi
2153
2154         havekqueue=no
2155
2156         AC_CHECK_HEADERS(sys/event.h)
2157         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2158
2159         dnl **************************************
2160         dnl * Darwin has a race that prevents us from using reliably:
2161         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2162         dnl * Since kqueue is mostly used for scaling large web servers,
2163         dnl * and very few folks run Mono on large web servers on OSX, falling
2164         dnl * back
2165         dnl **************************************
2166         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2167                 if test "x$host_darwin" = "xno"; then
2168                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2169                 fi
2170         fi
2171
2172         dnl ******************************
2173         dnl *** Checks for SIOCGIFCONF ***
2174         dnl ******************************
2175         AC_CHECK_HEADERS(sys/ioctl.h)
2176         AC_CHECK_HEADERS(net/if.h, [], [],
2177            [
2178            #ifdef HAVE_SYS_TYPES_H
2179            # include <sys/types.h>
2180            #endif
2181            #ifdef HAVE_SYS_SOCKET_H
2182            # include <sys/socket.h>
2183            #endif
2184            ])
2185         AC_MSG_CHECKING(for ifreq)
2186         AC_TRY_COMPILE([
2187                 #include <stdio.h>
2188                 #include <sys/ioctl.h>
2189                 #include <net/if.h>
2190                 ], [
2191                 struct ifconf ifc;
2192                 struct ifreq *ifr;
2193                 void *x;
2194                 ifc.ifc_len = 0;
2195                 ifc.ifc_buf = NULL;
2196                 x = (void *) &ifr->ifr_addr;
2197                 ],[
2198                         AC_MSG_RESULT(yes)
2199                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2200                 ], [
2201                         AC_MSG_RESULT(no)
2202                 ])
2203         dnl **********************************
2204         dnl ***     Checks for sin_len     ***
2205         dnl **********************************
2206         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2207         AC_TRY_COMPILE([
2208                 #include <netinet/in.h>
2209                 ], [
2210                 struct sockaddr_in saddr;
2211                 saddr.sin_len = sizeof (saddr);
2212                 ],[
2213                         AC_MSG_RESULT(yes)
2214                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2215                 ], [
2216                         AC_MSG_RESULT(no)
2217                 ])
2218         dnl **********************************
2219         dnl ***    Checks for sin6_len     ***
2220         dnl **********************************
2221         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2222         AC_TRY_COMPILE([
2223                 #include <netinet/in.h>
2224                 ], [
2225                 struct sockaddr_in6 saddr6;
2226                 saddr6.sin6_len = sizeof (saddr6);
2227                 ],[
2228                         AC_MSG_RESULT(yes)
2229                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2230                 ], [
2231                         AC_MSG_RESULT(no)
2232                 ])
2233         dnl **********************************
2234         dnl *** Check for getifaddrs       ***
2235         dnl **********************************
2236         AC_MSG_CHECKING(for getifaddrs)
2237                 AC_TRY_LINK([
2238                 #include <stdio.h>
2239                 #include <sys/types.h>
2240                 #include <sys/socket.h>
2241                 #include <ifaddrs.h>
2242         ], [
2243                 getifaddrs(NULL);
2244         ], [
2245                 # Yes, we have it...
2246                 AC_MSG_RESULT(yes)
2247                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2248         ], [
2249                 AC_MSG_RESULT(no)
2250         ])
2251         dnl **********************************
2252         dnl *** Check for if_nametoindex   ***
2253         dnl **********************************
2254         AC_MSG_CHECKING(for if_nametoindex)
2255                 AC_TRY_LINK([
2256                 #include <stdio.h>
2257                 #include <sys/types.h>
2258                 #include <sys/socket.h>
2259                 #include <net/if.h>
2260         ], [
2261                 if_nametoindex(NULL);
2262         ], [
2263                 # Yes, we have it...
2264                 AC_MSG_RESULT(yes)
2265                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2266         ], [
2267                 AC_MSG_RESULT(no)
2268         ])
2269
2270         dnl **********************************
2271         dnl *** Checks for MonoPosixHelper ***
2272         dnl **********************************
2273         AC_CHECK_HEADERS(checklist.h)
2274         AC_CHECK_HEADERS(pathconf.h)
2275         AC_CHECK_HEADERS(fstab.h)
2276         AC_CHECK_HEADERS(attr/xattr.h)
2277         AC_CHECK_HEADERS(sys/extattr.h)
2278         AC_CHECK_HEADERS(sys/sendfile.h)
2279         AC_CHECK_HEADERS(sys/statvfs.h)
2280         AC_CHECK_HEADERS(sys/statfs.h)
2281         AC_CHECK_HEADERS(sys/vfstab.h)
2282         AC_CHECK_HEADERS(sys/xattr.h)
2283         AC_CHECK_HEADERS(sys/mman.h)
2284         AC_CHECK_HEADERS(sys/param.h)
2285         AC_CHECK_HEADERS(sys/mount.h, [], [],
2286                 [
2287                 #ifdef HAVE_SYS_PARAM_H
2288                 # include <sys/param.h>
2289                 #endif
2290                 ])
2291         AC_CHECK_HEADERS(sys/mount.h)
2292         AC_CHECK_FUNCS(confstr)
2293         AC_CHECK_FUNCS(seekdir telldir)
2294         AC_CHECK_FUNCS(getdomainname)
2295         AC_CHECK_FUNCS(setdomainname)
2296         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2297         AC_CHECK_FUNCS(setgroups)
2298         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2299         AC_CHECK_FUNCS(getfsstat)
2300         AC_CHECK_FUNCS(lutimes futimes)
2301         AC_CHECK_FUNCS(mremap)
2302         AC_CHECK_FUNCS(remap_file_pages)
2303         AC_CHECK_FUNCS(posix_fadvise)
2304         AC_CHECK_FUNCS(posix_fallocate)
2305         AC_CHECK_FUNCS(posix_madvise)
2306         AC_CHECK_FUNCS(vsnprintf)
2307         AC_CHECK_FUNCS(sendfile)
2308         AC_CHECK_FUNCS(gethostid sethostid)
2309         AC_CHECK_FUNCS(sethostname)
2310         AC_CHECK_FUNCS(statfs)
2311         AC_CHECK_FUNCS(fstatfs)
2312         AC_CHECK_FUNCS(statvfs)
2313         AC_CHECK_FUNCS(fstatvfs)
2314         AC_CHECK_FUNCS(stime)
2315         AC_CHECK_FUNCS(strerror_r)
2316         AC_CHECK_FUNCS(ttyname_r)
2317         AC_CHECK_FUNCS(psignal)
2318         AC_CHECK_FUNCS(getlogin_r)
2319         AC_CHECK_FUNCS(lockf)
2320         AC_CHECK_FUNCS(swab)
2321         AC_CHECK_FUNCS(setusershell endusershell)
2322         AC_CHECK_FUNCS(futimens utimensat)
2323         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2324         AC_CHECK_FUNCS(readv writev preadv pwritev)
2325         AC_CHECK_FUNCS(setpgid)
2326         AC_CHECK_FUNCS(system)
2327         AC_CHECK_FUNCS(fork execv execve)
2328         AC_CHECK_FUNCS(accept4)
2329         AC_CHECK_SIZEOF(size_t)
2330         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2331                 [#include <sys/types.h>
2332                  #include <sys/stat.h>
2333                  #include <unistd.h>])
2334         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2335                 [#include <sys/types.h>
2336                  #include <sys/stat.h>
2337                  #include <unistd.h>])
2338         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2339                 [#include <sys/time.h>])
2340         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2341                 [#include <sys/socket.h>])
2342         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2343                 [#include <unistd.h>
2344                  #include <fcntl.h>])
2345         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2346                 [#include <sys/uio.h>])
2347         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2348                 [#include <sys/socket.h>])
2349         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2350                 [#include <sys/poll.h>])
2351         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2352                 [#include <sys/socket.h>])
2353         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2354                 [#include <sys/socket.h>])
2355         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2356                 [#include <netinet/in.h>])
2357         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2358                 [#include <netinet/in.h>])
2359         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2360                 [#include <sys/un.h>])
2361         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2362                 [#include <sys/types.h>
2363                  #include <sys/stat.h>
2364                  #include <unistd.h>])
2365         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2366                 [#include <time.h>])
2367         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2368                 [#include <sys/time.h>
2369                  #include <sys/types.h>
2370                  #include <utime.h>])
2371         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2372                 [#include <sys/time.h>])
2373         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2374                 [#include <sys/types.h>
2375                  #include <utime.h>])
2376         AC_CHECK_MEMBERS(
2377                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2378                 [#include <sys/types.h>
2379                  #include <dirent.h>])
2380         AC_CHECK_MEMBERS(
2381                 [struct passwd.pw_gecos],,,
2382                 [#include <sys/types.h>
2383                  #include <pwd.h>])
2384         AC_CHECK_MEMBERS(
2385                 [struct statfs.f_flags],,,
2386                 [#include <sys/types.h>
2387                  #include <sys/vfs.h>])
2388         AC_CHECK_MEMBERS(
2389                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2390                 [#include <sys/types.h>
2391                  #include <sys/stat.h>
2392                  #include <unistd.h>])
2393
2394         dnl Favour xattr through glibc, but use libattr if we have to
2395         AC_CHECK_FUNC(lsetxattr, ,
2396                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2397         )
2398         AC_SUBST(XATTR_LIB)
2399
2400         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2401         AC_CHECK_MEMBERS(
2402                 [struct kinfo_proc.kp_proc],,,
2403                 [#include <sys/types.h>
2404                  #include <sys/param.h>
2405                  #include <sys/sysctl.h>
2406                  #include <sys/proc.h>
2407                  ])
2408
2409         dnl *********************************
2410         dnl *** Checks for Windows compilation ***
2411         dnl *********************************
2412         AC_CHECK_HEADERS(sys/time.h)
2413         AC_CHECK_HEADERS(sys/param.h)
2414         AC_CHECK_HEADERS(dirent.h)
2415
2416         dnl ******************************************
2417         dnl *** Checks for OSX and iOS compilation ***
2418         dnl ******************************************
2419         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2420
2421         dnl *********************************
2422         dnl *** Check for Console 2.0 I/O ***
2423         dnl *********************************
2424         AC_CHECK_HEADERS([curses.h])
2425         AC_CHECK_HEADERS([term.h], [], [],
2426         [#if HAVE_CURSES_H
2427          #include <curses.h>
2428          #endif
2429         ])
2430         AC_CHECK_HEADERS([termios.h])
2431 else
2432         dnl *********************************
2433         dnl *** Checks for Windows compilation ***
2434         dnl *********************************
2435         AC_CHECK_HEADERS(winternl.h)
2436
2437         jdk_headers_found=no
2438         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2439         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2440         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2441         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2442         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2443         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2444         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2445
2446         dnl *********************************
2447         dnl *** Check for struct ip_mreqn ***
2448         dnl *********************************
2449         AC_MSG_CHECKING(for struct ip_mreqn)
2450         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2451                 struct ip_mreqn mreq;
2452                 mreq.imr_address.s_addr = 0;
2453         ], [
2454                 # Yes, we have it...
2455                 AC_MSG_RESULT(yes)
2456                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2457         ], [
2458                 # We'll just have to try and use struct ip_mreq
2459                 AC_MSG_RESULT(no)
2460                 AC_MSG_CHECKING(for struct ip_mreq)
2461                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2462                         struct ip_mreq mreq;
2463                         mreq.imr_interface.s_addr = 0;
2464                 ], [
2465                         # Yes, we have it...
2466                         AC_MSG_RESULT(yes)
2467                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2468                 ], [
2469                         # No multicast support
2470                         AC_MSG_RESULT(no)
2471                 ])
2472         ])
2473
2474         dnl **********************************
2475         dnl *** Check for getaddrinfo ***
2476         dnl **********************************
2477         AC_MSG_CHECKING(for getaddrinfo)
2478                 AC_TRY_LINK([
2479                 #include <stdio.h>
2480                 #include <winsock2.h>
2481                 #include <ws2tcpip.h>
2482         ], [
2483                 getaddrinfo(NULL,NULL,NULL,NULL);
2484         ], [
2485                 # Yes, we have it...
2486                 AC_MSG_RESULT(yes)
2487                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2488         ], [
2489                 AC_MSG_RESULT(no)
2490         ])
2491
2492         dnl **********************************
2493         dnl *** Check for gethostbyname ***
2494         dnl **********************************
2495         AC_MSG_CHECKING(for gethostbyname)
2496                 AC_TRY_LINK([
2497                 #include <stdio.h>
2498                 #include <winsock2.h>
2499                 #include <ws2tcpip.h>
2500         ], [
2501                 gethostbyname(NULL);
2502         ], [
2503                 # Yes, we have it...
2504                 AC_MSG_RESULT(yes)
2505                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2506         ], [
2507                 AC_MSG_RESULT(no)
2508         ])
2509
2510         dnl **********************************
2511         dnl *** Check for getprotobyname ***
2512         dnl **********************************
2513         AC_MSG_CHECKING(for getprotobyname)
2514                 AC_TRY_LINK([
2515                 #include <stdio.h>
2516                 #include <winsock2.h>
2517                 #include <ws2tcpip.h>
2518         ], [
2519                 getprotobyname(NULL);
2520         ], [
2521                 # Yes, we have it...
2522                 AC_MSG_RESULT(yes)
2523                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2524         ], [
2525                 AC_MSG_RESULT(no)
2526         ])
2527
2528         dnl **********************************
2529         dnl *** Check for getnameinfo ***
2530         dnl **********************************
2531         AC_MSG_CHECKING(for getnameinfo)
2532                 AC_TRY_LINK([
2533                 #include <stdio.h>
2534                 #include <winsock2.h>
2535                 #include <ws2tcpip.h>
2536         ], [
2537                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2538         ], [
2539                 # Yes, we have it...
2540                 AC_MSG_RESULT(yes)
2541                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2542         ], [
2543                 AC_MSG_RESULT(no)
2544         ])
2545
2546         dnl **********************************
2547         dnl *** Check for inet_ntop ***
2548         dnl **********************************
2549         AC_MSG_CHECKING(for inet_ntop)
2550                 AC_TRY_LINK([
2551                 #include <stdio.h>
2552                 #include <winsock2.h>
2553                 #include <ws2tcpip.h>
2554         ], [
2555                 inet_ntop (0, NULL, NULL, 0);
2556         ], [
2557                 # Yes, we have it...
2558                 AC_MSG_RESULT(yes)
2559                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2560         ], [
2561                 AC_MSG_RESULT(no)
2562         ])
2563
2564         dnl **********************************
2565         dnl *** Check for inet_pton ***
2566         dnl **********************************
2567         AC_MSG_CHECKING(for inet_pton)
2568                 AC_TRY_LINK([
2569                 #include <stdio.h>
2570                 #include <winsock2.h>
2571                 #include <ws2tcpip.h>
2572         ], [
2573                 #ifndef inet_pton
2574                 (void) inet_pton;
2575                 #endif
2576                 inet_pton (0, NULL, NULL);
2577         ], [
2578                 # Yes, we have it...
2579                 AC_MSG_RESULT(yes)
2580                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2581         ], [
2582                 AC_MSG_RESULT(no)
2583         ])
2584
2585         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2586         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2587         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2588         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2589         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2590         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2591         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2592 fi
2593
2594 dnl socklen_t check
2595 AC_MSG_CHECKING(for socklen_t)
2596 AC_TRY_COMPILE([
2597 #include <sys/types.h>
2598 #include <sys/socket.h>
2599 ],[
2600   socklen_t foo;
2601 ],[
2602 ac_cv_c_socklen_t=yes
2603         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2604         AC_MSG_RESULT(yes)
2605 ],[
2606         AC_MSG_RESULT(no)
2607 ])
2608
2609 AC_MSG_CHECKING(for array element initializer support)
2610 AC_TRY_COMPILE([#include <sys/socket.h>], [
2611         const int array[] = {[1] = 2,};
2612 ], [
2613         # Yes, we have it...
2614         AC_MSG_RESULT(yes)
2615         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2616 ], [
2617         # We'll have to use signals
2618         AC_MSG_RESULT(no)
2619 ])
2620
2621 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2622         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2623         AC_TRY_LINK([#include <math.h>],
2624         [ static void *p = &trunc; ],
2625         [
2626                 AC_DEFINE(HAVE_TRUNC)
2627                 AC_MSG_RESULT(yes)
2628                 ac_cv_trunc=yes
2629         ],
2630         AC_MSG_RESULT(no)))
2631
2632 if test "x$ac_cv_truncl" != "xyes"; then
2633    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2634 fi
2635
2636 AC_CHECK_FUNCS(execvp)
2637
2638 dnl ****************************
2639 dnl *** Look for /dev/random ***
2640 dnl ****************************
2641
2642 AC_MSG_CHECKING([if usage of random device is requested])
2643 AC_ARG_ENABLE(dev-random,
2644 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2645 try_dev_random=$enableval, try_dev_random=yes)
2646
2647 AC_MSG_RESULT($try_dev_random)
2648
2649 case "{$build}" in
2650     *-openbsd*)
2651     NAME_DEV_RANDOM="/dev/srandom"
2652     ;;
2653
2654 dnl Win32 does not have /dev/random, they have their own method...
2655
2656     *-mingw*|*-*-cygwin*)
2657     ac_cv_have_dev_random=no
2658     ;;
2659
2660 dnl Everywhere else, it's /dev/random
2661
2662     *)
2663     NAME_DEV_RANDOM="/dev/random"
2664     ;;
2665 esac
2666
2667 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2668
2669 dnl Now check if the device actually exists
2670
2671 if test "x$try_dev_random" = "xyes"; then
2672     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2673     [if test -r "$NAME_DEV_RANDOM" ; then
2674         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2675     if test "x$ac_cv_have_dev_random" = "xyes"; then
2676         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2677     fi
2678 else
2679     AC_MSG_CHECKING(for random device)
2680     ac_cv_have_dev_random=no
2681     AC_MSG_RESULT(has been disabled)
2682 fi
2683
2684 if test "x$host_win32" = "xyes"; then
2685     AC_DEFINE(HAVE_CRYPT_RNG)
2686 fi
2687
2688 if test "x$ac_cv_have_dev_random" = "xno" \
2689     && test "x$host_win32" = "xno"; then
2690     AC_MSG_WARN([[
2691 ***
2692 *** A system-provided entropy source was not found on this system.
2693 *** Because of this, the System.Security.Cryptography random number generator
2694 *** will throw a NotImplemented exception.
2695 ***
2696 *** If you are seeing this message, and you know your system DOES have an
2697 *** entropy collection in place, please contact <crichton@gimp.org> and
2698 *** provide information about the system and how to access the random device.
2699 ***
2700 *** Otherwise you can install either egd or prngd and set the environment
2701 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2702 ***]])
2703 fi
2704
2705 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2706
2707 AC_MSG_CHECKING([if big-arrays are to be enabled])
2708 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2709 if test "x$enable_big_arrays" = "xyes" ; then
2710     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2711         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2712     else
2713         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2714     fi
2715 fi
2716 AC_MSG_RESULT($enable_big_arrays)
2717
2718 dnl **************
2719 dnl *** DTRACE ***
2720 dnl **************
2721
2722 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2723
2724 if test "x$enable_dtrace" = "xyes"; then
2725    if test "x$has_dtrace" = "xno"; then
2726           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2727    fi
2728    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2729    if test "x$DTRACE" = "xno"; then
2730           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2731           enable_dtrace=no
2732    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2733           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2734           enable_dtrace=no
2735    fi
2736 fi
2737
2738 dtrace_g=no
2739 if test "x$enable_dtrace" = "xyes"; then
2740         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2741         DTRACEFLAGS=
2742         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2743                 case "$host" in
2744                         powerpc-*-darwin*)
2745                         DTRACEFLAGS="-arch ppc64"
2746                         ;;
2747                         i*86-*-darwin*)
2748                         DTRACEFLAGS="-arch x86_64"
2749                         ;;
2750                         *)
2751                         DTRACEFLAGS=-64
2752                         ;;
2753                 esac
2754         else
2755                 case "$host" in
2756                         powerpc-*-darwin*)
2757                         DTRACEFLAGS="-arch ppc"
2758                         ;;
2759                         i*86-*-darwin*)
2760                         DTRACEFLAGS="-arch i386"
2761                         ;;
2762                         *)
2763                         DTRACEFLAGS=-32
2764                         ;;
2765                 esac
2766         fi
2767         AC_SUBST(DTRACEFLAGS)
2768         case "$host" in
2769                 *-*-solaris*)
2770                 dtrace_g=yes
2771                 ;;
2772         esac
2773         AC_CHECK_HEADERS([sys/sdt.h])
2774 fi
2775 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2776 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2777
2778 dnl **************
2779 dnl ***  NaCl  ***
2780 dnl **************
2781
2782 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2783 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2784
2785 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2786
2787 dnl
2788 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2789 dnl
2790 nacl_self_host=""
2791 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2792    nacl_self_host="nacl_self_host"
2793 fi
2794 AC_SUBST(nacl_self_host)
2795
2796 if test "x$enable_nacl_codegen" = "xyes"; then
2797    MONO_NACL_ALIGN_MASK_OFF=1
2798    AC_DEFINE(TARGET_NACL, 1, [...])
2799    AC_DEFINE(__native_client_codegen__, 1, [...])
2800 fi
2801 if test "x$enable_nacl_gc" = "xyes"; then
2802    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2803       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2804    else
2805       # Not yet implemented
2806       INSTRUMENT_CFLAG=""
2807    fi
2808    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2809 fi
2810 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2811
2812 dnl **************************
2813 dnl *** AOT cross offsets  ***
2814 dnl **************************
2815
2816 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2817     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2818
2819 dnl **************
2820 dnl ***  LLVM  ***
2821 dnl **************
2822
2823 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2824 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2825 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2826 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2827
2828 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2829
2830 if test "x$enable_llvm" = "xdefault"; then
2831    enable_llvm=$enable_llvm_default
2832 fi
2833
2834 if test "x$enable_llvm" = "xyes"; then
2835    if test "x$with_llvm" != "x"; then
2836           LLVM_CONFIG=$with_llvm/bin/llvm-config
2837           if test x$host_win32 = xyes; then
2838                 LLVM_CONFIG=$LLVM_CONFIG.exe
2839           fi
2840           if test ! -x $LLVM_CONFIG; then
2841                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2842       fi
2843    else
2844       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2845       if test "x$LLVM_CONFIG" = "xno"; then
2846              AC_MSG_ERROR([llvm-config not found.])
2847       fi
2848    fi
2849
2850    llvm_codegen="x86codegen"
2851    case "$target" in
2852    arm*)
2853                 llvm_codegen="armcodegen"
2854                 ;;
2855    esac
2856
2857    if test "x$host_win32" = "xno"; then
2858
2859    # Should be something like '2.6' or '2.7svn'
2860    llvm_version=`$LLVM_CONFIG --version`
2861    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2862    AC_MSG_CHECKING(LLVM version)
2863    AC_MSG_RESULT($llvm_version $llvm_api_version)
2864    if echo $llvm_version | grep -q 'mono'; then
2865           if test "x$enable_llvm_version_check" = "xyes"; then
2866                  if test "$llvm_version" != "$expected_llvm_version"; then
2867                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2868                  fi
2869           fi
2870    else
2871           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.])
2872    fi
2873
2874    # The output of --cflags seems to include optimizations flags too
2875    if test $llvm_api_version -gt 100; then
2876           # The --cflags argument includes all kinds of warnings -pendantic etc.
2877           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2878           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2879    else
2880           LLVM_CFLAGS=`$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'`
2881       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2882    fi
2883    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2884    # from LLVM classes.
2885    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2886    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2887    # This might include empty lines
2888    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2889    llvm_jit_supported=yes
2890    llvm_jit_libs="jit mcjit $llvm_codegen"
2891    if test "x$host" != "x$target"; then
2892       # No need for jit libs
2893           llvm_jit_supported=no
2894       llvm_jit_libs=""
2895    elif test $llvm_api_version -gt 100; then
2896       llvm_jit_libs="orcjit $llvm_codegen"
2897    fi
2898    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2899    if test "x$LLVM_LIBS" = "x"; then
2900           echo "$LLVM_CONFIG --libs failed."
2901           exit 1
2902    fi
2903    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2904    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2905    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2906       LLVM_LIBS="$LLVM_LIBS -lc++"
2907    else
2908       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2909    fi
2910
2911    expected_llvm_version="3.4svn-mono-mono/e656cac"
2912
2913    else
2914        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2915        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2916        LLVM_LDFLAGS="-L$with_llvm/lib"
2917        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2918        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2919          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2920          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2921          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2922          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2923          -lLLVMAnalysis -lLLVMTarget \
2924          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2925          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2926          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2927          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2928          -lLLVMSupport -lstdc++"
2929        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2930
2931        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2932        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2933    fi
2934
2935    if test "x$llvm_api_version" = "x"; then
2936           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2937           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2938    else
2939           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2940           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2941    fi
2942
2943    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2944
2945    AC_SUBST(LLVM_CFLAGS)
2946    AC_SUBST(LLVM_CXXFLAGS)
2947    AC_SUBST(LLVM_LIBS)
2948    AC_SUBST(LLVM_LDFLAGS)
2949    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2950 fi
2951
2952 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2953 if test "x$enable_loadedllvm" = "xyes"; then
2954    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2955 fi
2956 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2957
2958 if test "x$enable_llvm" = "xyes"; then
2959    enable_llvm_runtime=yes
2960 fi
2961 if test "x$enable_llvm_runtime" = "xyes"; then
2962    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2963 fi
2964 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2965
2966 TARGET="unknown"
2967 ACCESS_UNALIGNED="yes"
2968
2969 LIBC="libc.so.6"
2970 INTL="libc.so.6"
2971 SQLITE="libsqlite.so.0"
2972 SQLITE3="libsqlite3.so.0"
2973 X11="libX11.so"
2974 GDKX11="libgdk-x11-2.0.so.0"
2975 GTKX11="libgtk-x11-2.0.so.0"
2976 XINERAMA="libXinerama.so.1"
2977
2978 sizeof_register="SIZEOF_VOID_P"
2979
2980 jit_wanted=true
2981 boehm_supported=true
2982 BTLS_SUPPORTED=no
2983 BTLS_PLATFORM=
2984 case "$host" in
2985         mips*)
2986                 TARGET=MIPS;
2987                 arch_target=mips;
2988                 with_tls=pthread;
2989                 ACCESS_UNALIGNED="no"
2990
2991                 AC_MSG_CHECKING(for mips n32)
2992                 AC_TRY_COMPILE([],[
2993                 #if _MIPS_SIM != _ABIN32
2994                 #error Not mips n32
2995                 #endif
2996                 return 0;
2997                 ],[
2998                 AC_MSG_RESULT(yes)
2999                 sizeof_register=8
3000                 ],[
3001                 AC_MSG_RESULT(no)
3002                 ])
3003                 ;;
3004         i*86-*-*)
3005                 TARGET=X86;
3006                 arch_target=x86;
3007                 case $host_os in
3008                   solaris*)
3009                         LIBC="libc.so"
3010                         INTL="libintl.so"
3011                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3012                                 TARGET=AMD64
3013                                 arch_target=amd64
3014                         fi
3015
3016                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3017                         # int astruct __attribute__ ((visibility ("hidden")));
3018                         # void foo ()
3019                         # {
3020                         #       void *p = &astruct;
3021                         # }
3022                         # gcc -fPIC --shared -o libfoo.so foo.c
3023                         # yields:
3024                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3025                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3026                         have_visibility_hidden=no
3027                         ;;
3028                   mingw*|cygwin*)
3029                         have_visibility_hidden=no
3030                         ;;
3031                   haiku*)
3032                         LIBC=libroot.so
3033                         ;;
3034                   linux*)
3035                         AOT_SUPPORTED="yes"
3036                         BTLS_SUPPORTED=yes
3037                         BTLS_PLATFORM=i386
3038                         ;;
3039                   darwin*)
3040                         AOT_SUPPORTED="yes"
3041                         BTLS_SUPPORTED=yes
3042                         BTLS_PLATFORM=i386
3043                         ;;
3044                   openbsd*|freebsd*|kfreebsd-gnu*)
3045                         ;;
3046                 esac
3047                 ;;
3048         x86_64-*-* | amd64-*-*)
3049                 TARGET=AMD64;
3050                 arch_target=amd64;
3051                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3052                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3053                         sizeof_register=8
3054                 fi
3055                 case $host_os in
3056                   linux*)
3057                         AOT_SUPPORTED="yes"
3058                         BTLS_SUPPORTED=yes
3059                         BTLS_PLATFORM=x86_64
3060                         ;;
3061                   darwin*)
3062                         AOT_SUPPORTED="yes"
3063                         BTLS_SUPPORTED=yes
3064                         BTLS_PLATFORM=x86_64
3065                         ;;
3066                   openbsd*|freebsd*|kfreebsd-gnu*)
3067                         ;;
3068                   mingw*)
3069                         ;;
3070                 esac
3071                 case "$host" in
3072                         x86_64-*-nacl*)
3073                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3074                                 sizeof_register=8
3075                                 ;;
3076                 esac
3077                 ;;
3078         ia64-*-*)
3079                 TARGET=IA64
3080                 arch_target=ia64
3081                 ACCESS_UNALIGNED="no"
3082                 LIBC="libc.so.6.1"
3083                 INTL="libc.so.6.1"
3084                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3085                 libmono_ldflags="-lunwind"
3086                 ;;
3087         sparc*-*-*)
3088                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3089                    TARGET=SPARC64
3090                 else
3091                         TARGET=SPARC
3092                 fi
3093                 arch_target=sparc;
3094                 ACCESS_UNALIGNED="no"
3095                 case $host_os in
3096                   linux*) ;;
3097                   *)
3098                         LIBC="libc.so"
3099                         INTL="libintl.so"
3100                 esac
3101                 if test x"$GCC" = xyes; then
3102                         # We don't support v8 cpus
3103                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3104                 fi
3105                 if test x"$AR" = xfalse; then
3106                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3107                 fi
3108                 ;;
3109         *-mingw*|*-*-cygwin*)
3110                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3111                 have_visibility_hidden=no
3112                 INTL="intl"
3113                 ;;
3114         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3115         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3116                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3117                         TARGET=POWERPC64;
3118                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3119                         CFLAGS="$CFLAGS -mminimal-toc"
3120                 else
3121                         TARGET=POWERPC;
3122                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3123                 fi
3124                 arch_target=ppc;
3125                 case $host_os in
3126                   linux*|darwin*)
3127                         ;;
3128                 esac
3129                 ;;
3130         armv7k-*-darwin*)
3131                 TARGET=ARM;
3132                 TARGET_SYS=WATCHOS
3133                 arch_target=arm;
3134                 arm_fpu=VFP_HARD
3135                 ACCESS_UNALIGNED="no"
3136                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3137                 ;;
3138
3139         arm*-darwin*)
3140                 TARGET=ARM;
3141                 arch_target=arm;
3142                 ACCESS_UNALIGNED="no"
3143                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3144                 ;;
3145         arm*-linux*)
3146                 TARGET=ARM;
3147                 arch_target=arm;
3148                 ACCESS_UNALIGNED="no"
3149                 AOT_SUPPORTED="yes"
3150                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3151                 ;;
3152         arm*-netbsd*-eabi*)
3153                 TARGET=ARM;
3154                 arch_target=arm;
3155                 ACCESS_UNALIGNED="no"
3156                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3157                 ;;
3158 # TODO: make proper support for NaCl host.
3159 #        arm*-*nacl)
3160 #               TARGET=ARM;
3161 #               arch_target=arm;
3162 #               ACCESS_UNALIGNED="no"
3163 #               AOT_SUPPORTED="no"
3164 #               ;;
3165         aarch64-*)
3166                 # https://lkml.org/lkml/2012/7/15/133
3167                 TARGET=ARM64
3168                 arch_target=arm64
3169                 boehm_supported=false
3170                 AOT_SUPPORTED="yes"
3171                 ;;
3172         s390x-*-linux*)
3173                 TARGET=S390X;
3174                 arch_target=s390x;
3175                 ACCESS_UNALIGNED="yes"
3176                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3177                 ;;
3178 esac
3179
3180 HOST=$TARGET
3181
3182 if test "x$host" != "x$target"; then
3183    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3184    enable_mcs_build=no
3185    BTLS_SUPPORTED=no
3186    case "$target" in
3187    arm*-darwin*)
3188                 TARGET=ARM;
3189                 arch_target=arm;
3190                 ACCESS_UNALIGNED="no"
3191                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3192                 # Can't use tls, since it depends on the runtime detection of tls offsets
3193                 # in mono-compiler.h
3194                 with_tls=pthread
3195                 case "$target" in
3196                 armv7k-*)
3197                         arm_fpu=VFP_HARD
3198                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3199                         ;;
3200                 esac
3201                 ;;
3202    powerpc64-ps3-linux-gnu)
3203                 TARGET=POWERPC64
3204                 arch_target=powerpc64
3205                 AC_DEFINE(TARGET_PS3, 1, [...])
3206                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3207                 # uses this define
3208                 AC_DEFINE(__mono_ppc64__, 1, [...])
3209                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3210                 sizeof_register=8
3211                 target_byte_order=G_BIG_ENDIAN
3212                 ;;
3213    powerpc64-xbox360-linux-gnu)
3214                 TARGET=POWERPC64
3215                 arch_target=powerpc64
3216                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3217                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3218                 # uses this define
3219                 sizeof_register=8
3220                 target_byte_order=G_BIG_ENDIAN
3221                 ;;
3222    x86_64-*-nacl)
3223                 TARGET=AMD64
3224                 arch_target=amd64
3225                 AC_DEFINE(TARGET_AMD64, 1, [...])
3226                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3227                 sizeof_register=8
3228                 ;;
3229 # TODO: make proper support for NaCl target.
3230 #   arm*-*nacl)
3231 #               TARGET=ARM
3232 #               arch_target=arm
3233 #               AC_DEFINE(TARGET_ARM, 1, [...])
3234 #               ACCESS_UNALIGNED="no"
3235 #               sizeof_register=4
3236 #               CPPFLAGS="$CPPFLAGS \
3237 #                    -D__ARM_EABI__ \
3238 #                    -D__arm__ \
3239 #                    -D__portable_native_client__ \
3240 #                    -Dtimezone=_timezone \
3241 #                    -DDISABLE_SOCKETS \
3242 #                    -DDISABLE_ATTACH \
3243 #                    -DUSE_NEWLIB"
3244                 # Can't use tls, since it depends on the runtime detection of tls offsets
3245                 # in mono-compiler.h
3246 #               with_tls=pthread
3247 #               ;;
3248    i686-*-nacl)
3249                 TARGET=X86
3250                 arch_target=x86
3251                 AC_DEFINE(TARGET_X86, 1, [...])
3252                 sizeof_register=4
3253                 ;;
3254    arm*-linux-*)
3255                 TARGET=ARM;
3256                 arch_target=arm;
3257                 AC_DEFINE(TARGET_ARM, 1, [...])
3258                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3259                 ACCESS_UNALIGNED="no"
3260                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3261                 # Can't use tls, since it depends on the runtime detection of tls offsets
3262                 # in mono-compiler.h
3263                 with_tls=pthread
3264                 target_mach=no
3265                 case "$target" in
3266                 armv7l-unknown-linux-gnueabi*)
3267                         # TEGRA
3268                         CPPFLAGS="$CPPFLAGS"
3269                         ;;
3270                 armv5-*-linux-androideabi*)
3271                         CPPFLAGS="$CPPFLAGS"
3272                         ;;
3273                 esac
3274                 ;;
3275    arm*-netbsd*-eabi*)
3276                 TARGET=ARM;
3277                 arch_target=arm;
3278                 AC_DEFINE(TARGET_ARM, 1, [...])
3279                 ACCESS_UNALIGNED="no"
3280                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3281                 # Can't use tls, since it depends on the runtime detection of tls offsets
3282                 # in mono-compiler.h
3283                 with_tls=pthread
3284                 target_mach=no
3285                 ;;
3286    i686*-linux-*)
3287                 TARGET=X86;
3288                 arch_target=x86;
3289                 AC_DEFINE(TARGET_X86, 1, [...])
3290                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3291                 CPPFLAGS="$CPPFLAGS"
3292                 # Can't use tls, since it depends on the runtime detection of tls offsets
3293                 # in mono-compiler.h
3294                 with_tls=pthread
3295                 target_mach=no
3296                 ;;
3297    x86_64*-linux-*)
3298                 TARGET=AMD64;
3299                 arch_target=amd64;
3300                 AC_DEFINE(TARGET_AMD64, 1, [...])
3301                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3302                 CPPFLAGS="$CPPFLAGS"
3303                 # Can't use tls, since it depends on the runtime detection of tls offsets
3304                 # in mono-compiler.h
3305                 with_tls=pthread
3306                 target_mach=no
3307                 ;;
3308    x86_64-ps4-freebsd)
3309                 TARGET=AMD64;
3310                 arch_target=amd64;
3311                 AC_DEFINE(TARGET_AMD64, 1, [...])
3312                 AC_DEFINE(TARGET_PS4, 1, [...])
3313                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3314                 CPPFLAGS="$CPPFLAGS"
3315                 # Can't use tls, since it depends on the runtime detection of tls offsets
3316                 # in mono-compiler.h
3317                 with_tls=pthread
3318                 target_mach=no
3319                 target_win32=no
3320                 ;;
3321    aarch64*-linux-*)
3322                 TARGET=ARM64;
3323                 arch_target=arm64;
3324                 AC_DEFINE(TARGET_ARM64, 1, [...])
3325                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3326                 CPPFLAGS="$CPPFLAGS"
3327                 # Can't use tls, since it depends on the runtime detection of tls offsets
3328                 # in mono-compiler.h
3329                 with_tls=pthread
3330                 target_mach=no
3331                 ;;
3332         aarch64-*)
3333                 TARGET=ARM64
3334                 ;;
3335         *)
3336                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3337         esac
3338 fi
3339
3340 case "$TARGET" in
3341 X86)
3342         AC_DEFINE(TARGET_X86, 1, [...])
3343         ;;
3344 AMD64)
3345         AC_DEFINE(TARGET_AMD64, 1, [...])
3346         ;;
3347 ARM)
3348         AC_DEFINE(TARGET_ARM, 1, [...])
3349         ;;
3350 ARM64)
3351         AC_DEFINE(TARGET_ARM64, 1, [...])
3352         ;;
3353 POWERPC)
3354         AC_DEFINE(TARGET_POWERPC, 1, [...])
3355         ;;
3356 POWERPC64)
3357         AC_DEFINE(TARGET_POWERPC, 1, [...])
3358         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3359         ;;
3360 S390X)
3361         AC_DEFINE(TARGET_S390X, 1, [...])
3362         ;;
3363 MIPS)
3364         AC_DEFINE(TARGET_MIPS, 1, [...])
3365         ;;
3366 IA64)
3367         AC_DEFINE(TARGET_IA64, 1, [...])
3368         ;;
3369 SPARC)
3370         AC_DEFINE(TARGET_SPARC, 1, [...])
3371         ;;
3372 SPARC64)
3373         AC_DEFINE(TARGET_SPARC64, 1, [...])
3374         ;;
3375 esac
3376
3377 case "$HOST" in
3378 X86)
3379         AC_DEFINE(HOST_X86, 1, [...])
3380         ;;
3381 AMD64)
3382         AC_DEFINE(HOST_AMD64, 1, [...])
3383         ;;
3384 ARM)
3385         AC_DEFINE(HOST_ARM, 1, [...])
3386         ;;
3387 ARM64)
3388         AC_DEFINE(HOST_ARM64, 1, [...])
3389         ;;
3390 POWERPC)
3391         AC_DEFINE(HOST_POWERPC, 1, [...])
3392         ;;
3393 POWERPC64)
3394         AC_DEFINE(HOST_POWERPC, 1, [...])
3395         AC_DEFINE(HOST_POWERPC64, 1, [...])
3396         ;;
3397 S390X)
3398         AC_DEFINE(HOST_S390X, 1, [...])
3399         ;;
3400 MIPS)
3401         AC_DEFINE(HOST_MIPS, 1, [...])
3402         ;;
3403 IA64)
3404         AC_DEFINE(HOST_IA64, 1, [...])
3405         ;;
3406 SPARC)
3407         AC_DEFINE(HOST_SPARC, 1, [...])
3408         ;;
3409 SPARC64)
3410         AC_DEFINE(HOST_SPARC64, 1, [...])
3411         ;;
3412 esac
3413
3414
3415
3416 dnl *************
3417 dnl *** VTUNE ***
3418 dnl *************
3419
3420 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3421 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3422
3423 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3424
3425 if test "x$enable_vtune" = "xyes"; then
3426         if test "x$with_vtune" = "x"; then
3427                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3428         else
3429                 VTUNE_PATH=$with_vtune
3430         fi
3431         VTUNE_INCLUDE=$VTUNE_PATH/include
3432         case "$TARGET" in
3433         X86)
3434                 VTUNE_LIB=$VTUNE_PATH/lib32
3435                 ;;
3436         AMD64)
3437                 VTUNE_LIB=$VTUNE_PATH/lib64
3438                 ;;
3439         *)
3440                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3441                 ;;
3442         esac
3443         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3444                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3445         fi
3446         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3447                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3448         fi
3449
3450         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3451         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3452
3453         AC_SUBST(VTUNE_LIBS)
3454         AC_SUBST(VTUNE_CFLAGS)
3455 fi
3456 dnl Use GCC atomic ops if they work on the target.
3457 if test x$GCC = "xyes"; then
3458         case $TARGET in
3459         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3460                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3461                 ;;
3462         esac
3463 fi
3464
3465 if test "x$target_mach" = "xyes"; then
3466
3467    if test "x$TARGET_SYS" = "xWATCHOS"; then
3468           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3469           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3470           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3471           BTLS_SUPPORTED=no
3472    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3473           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3474           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3475           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3476           BTLS_SUPPORTED=no
3477    else
3478        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3479        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3480        #error fail this for ios
3481        #endif
3482        return 0;
3483        ], [
3484                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3485           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3486           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3487        ], [
3488           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3489           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3490           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3491           BTLS_SUPPORTED=no
3492        ])
3493         fi
3494    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3495 fi
3496
3497 if test "x$sizeof_register" = "x4"; then
3498    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3499 elif test "x$sizeof_register" = "x8"; then
3500    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3501 else
3502    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3503 fi
3504
3505 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3506    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3507 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3508    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3509 else
3510    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3511 fi
3512
3513 if test "x$have_visibility_hidden" = "xyes"; then
3514    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3515 fi
3516
3517 if test "x$have_deprecated" = "xyes"; then
3518    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3519 fi
3520
3521 dnl
3522 dnl Simple Generational checks (sgen)
3523 dnl
3524 SGEN_DEFINES=
3525 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3526 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3527 if test x$buildsgen = xyes; then
3528    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3529    SGEN_DEFINES="-DHAVE_SGEN_GC"
3530
3531         conc_gc_msg=""
3532    if test x$with_sgen_default_concurrent != xno; then
3533        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3534            conc_gc_msg=" (concurrent by default)"
3535    fi
3536
3537    if test "x$gc_msg" = "x"; then
3538       gc_msg="sgen$conc_gc_msg"
3539    else
3540       gc_msg="sgen$conc_gc_msg and $gc_msg"
3541    fi
3542 fi
3543 AC_SUBST(SGEN_DEFINES)
3544 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3545
3546 jit_status="Building and using the JIT"
3547
3548 libsuffix=".so"
3549
3550 case "$host" in
3551      *-*-darwin*)
3552         libsuffix=".dylib"
3553         LIBC="libc.dylib"
3554         INTL="libintl.dylib"
3555         SQLITE="libsqlite.0.dylib"
3556         SQLITE3="libsqlite3.0.dylib"
3557         X11="libX11.dylib"
3558         GDKX11="libgdk-x11-2.0.dylib"
3559         GTKX11="libgtk-x11-2.0.dylib"
3560         ;;
3561      *-*-*netbsd*)
3562         LIBC="libc.so"
3563         INTL="libintl.so"
3564         SQLITE="libsqlite.so"
3565         SQLITE3="libsqlite3.so"
3566         ;;
3567      *-*-kfreebsd*-gnu)
3568         LIBC="libc.so.0.1"
3569         INTL="libc.so.0.1"
3570         X11="libX11.so.6"
3571         ;;
3572     *-*-*freebsd*)
3573         LIBC="libc.so.7"
3574         INTL="libintl.so"
3575         SQLITE="libsqlite.so"
3576         SQLITE3="libsqlite3.so"
3577         ;;
3578     *-*-*openbsd*)
3579         LIBC="libc.so"
3580         INTL="libintl.so"
3581         SQLITE="libsqlite.so"
3582         SQLITE3="libsqlite3.so"
3583         ;;
3584     *-*-*linux*)
3585         AC_PATH_X
3586         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3587         AC_MSG_CHECKING(for the soname of libX11.so)
3588         for i in $x_libraries $dlsearch_path; do
3589                 for r in 4 5 6; do
3590                         if test -f $i/libX11.so.$r; then
3591                                 X11=libX11.so.$r
3592                                 AC_MSG_RESULT($X11)
3593                         fi
3594                 done
3595         done
3596
3597         if test "x$X11" = "xlibX11.so"; then
3598                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3599                 X11=libX11.so.6
3600         fi
3601         ;;
3602 esac
3603
3604
3605 AC_SUBST(libsuffix)
3606
3607 AC_ARG_WITH([libgdiplus],
3608         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3609         [], [with_libgdiplus=installed])
3610
3611 # default install location
3612 libgdiplus_install_loc=libgdiplus${libsuffix}
3613 case "$host" in
3614     *-*-*linux*)
3615     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3616     ;;
3617 esac
3618
3619 case $with_libgdiplus in
3620     no|installed)
3621     libgdiplus_loc=
3622     ;;
3623
3624     yes|sibling)
3625     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3626     ;;
3627
3628     /*) # absolute path, assume it is an install location
3629     libgdiplus_loc=$with_libgdiplus
3630     libgdiplus_install_loc=$with_libgdiplus
3631     ;;
3632
3633     *)
3634     libgdiplus_loc=`pwd`/$with_libgdiplus
3635     ;;
3636 esac
3637 AC_SUBST([libgdiplus_loc])
3638 AC_SUBST([libgdiplus_install_loc])
3639
3640 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3641 if test "x$icall_symbol_map" = "xyes"; then
3642    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3643 fi
3644
3645 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3646 if test "x$icall_export" = "xyes"; then
3647    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3648 fi
3649
3650 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3651 if test "x$icall_tables" = "xno"; then
3652    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3653 fi
3654
3655 if test "x$with_tls" = "x__thread"; then
3656         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3657         # Pass the information to libgc
3658         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3659         AC_MSG_CHECKING(if the tls_model attribute is supported)
3660         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3661                 ], [
3662                         AC_MSG_RESULT(yes)
3663                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3664                 ], [
3665                         AC_MSG_RESULT(no)
3666         ])
3667 fi
3668
3669 if test ${TARGET} = ARM; then
3670         dnl ******************************************
3671         dnl *** Check to see what FPU is available ***
3672         dnl ******************************************
3673         AC_MSG_CHECKING(which FPU to use)
3674
3675         #
3676         # This is a bit tricky:
3677         #
3678         # if (__ARM_PCS_VFP) {
3679         #       /* mfloat-abi=hard == VFP with hard ABI */
3680         # } elif (!__SOFTFP__) {
3681         #       /* mfloat-abi=softfp == VFP with soft ABI */
3682         # } else {
3683         #       /* mfloat-abi=soft == no VFP */
3684         # }
3685         #
3686         # The exception is iOS (w/ GCC) where none of the above
3687         # are defined (but iOS always uses the 'softfp' ABI).
3688         #
3689         # No support for FPA.
3690         #
3691
3692         fpu=NONE
3693
3694         # iOS GCC always uses the 'softfp' ABI.
3695         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3696                 fpu=VFP
3697         fi
3698
3699         # Are we using the 'hard' ABI?
3700         if test x$fpu = xNONE; then
3701                 AC_TRY_COMPILE([], [
3702                         #ifndef __ARM_PCS_VFP
3703                         #error "Float ABI is not 'hard'"
3704                         #endif
3705                         return 0;
3706                 ], [
3707                         fpu=VFP_HARD
3708                 ], [
3709                         fpu=NONE
3710                 ])
3711         fi
3712
3713         # No 'hard' ABI. 'soft' or 'softfp'?
3714         if test x$fpu = xNONE; then
3715                 AC_TRY_COMPILE([], [
3716                         #ifdef __SOFTFP__
3717                         #error "Float ABI is not 'softfp'"
3718                         #endif
3719                         return 0;
3720                 ], [
3721                         fpu=VFP
3722                 ], [
3723                         fpu=NONE
3724                 ])
3725         fi
3726
3727         if test x$arm_fpu != x; then
3728            fpu=$arm_fpu
3729         fi
3730
3731         AC_MSG_RESULT($fpu)
3732         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3733         unset fpu
3734
3735         dnl *********************************************
3736         dnl *** Check which ARM version(s) we can use ***
3737         dnl *********************************************
3738         AC_MSG_CHECKING(which ARM version to use)
3739
3740         AC_TRY_COMPILE([], [
3741                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3742                 #error Not on ARM v5.
3743                 #endif
3744                 return 0;
3745         ], [
3746                 arm_v5=yes
3747
3748                 arm_ver=ARMv5
3749         ], [])
3750
3751         AC_TRY_COMPILE([], [
3752                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3753                 #error Not on ARM v6.
3754                 #endif
3755                 return 0;
3756         ], [
3757                 arm_v5=yes
3758                 arm_v6=yes
3759
3760                 arm_ver=ARMv6
3761         ], [])
3762
3763         AC_TRY_COMPILE([], [
3764                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3765                 #error Not on ARM v7.
3766                 #endif
3767                 return 0;
3768         ], [
3769                 arm_v5=yes
3770                 arm_v6=yes
3771                 arm_v7=yes
3772
3773                 arm_ver=ARMv7
3774         ], [])
3775
3776         AC_MSG_RESULT($arm_ver)
3777
3778         if test x$arm_v5 = xyes; then
3779                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3780                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3781         fi
3782
3783         if test x$arm_v6 = xyes; then
3784                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3785                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3786         fi
3787
3788         if test x$arm_v7 = xyes; then
3789                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3790                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3791         fi
3792 fi
3793
3794 if test ${TARGET} = unknown; then
3795         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3796         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3797 fi
3798
3799 if test "x$platform_android" = "xyes"; then
3800         case "x${TARGET}" in
3801         xARM)
3802                 case "x$arm_ver" in
3803                 xARMv5)
3804                         BTLS_SUPPORTED=yes
3805                         BTLS_PLATFORM=android-armv5
3806                         ;;
3807                 xARMv6)
3808                         BTLS_SUPPORTED=yes
3809                         BTLS_PLATFORM=android-armv6
3810                         ;;
3811                 xARMv7)
3812                         BTLS_SUPPORTED=yes
3813                         BTLS_PLATFORM=android-armv7
3814                         ;;
3815                 *)
3816                         BTLS_SUPPORTED=no
3817                         ;;
3818                 esac
3819                 ;;
3820         xARM64)
3821                 BTLS_SUPPORTED=yes
3822                 BTLS_PLATFORM=android-v8a
3823                 ;;
3824         xX86)
3825                 BTLS_SUPPORTED=yes
3826                 BTLS_PLATFORM=android-x86
3827                 ;;
3828         xAMD64)
3829                 BTLS_SUPPORTED=yes
3830                 BTLS_PLATFORM=android-x64
3831                 ;;
3832         *)
3833                 BTLS_SUPPORTED=no
3834                 ;;
3835         esac
3836 fi
3837
3838 if test ${ACCESS_UNALIGNED} = no; then
3839         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3840 fi
3841
3842 case "x$libgc" in
3843         xincluded)
3844                 # Pass CPPFLAGS to libgc configure
3845                 # We should use a separate variable for this to avoid passing useless and
3846                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3847                 # This should be executed late so we pick up the final version of CPPFLAGS
3848                 # The problem with this approach, is that during a reconfigure, the main
3849                 # configure scripts gets invoked with these arguments, so we use separate
3850                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3851                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3852                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3853                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3854                 fi
3855                 # Don't pass -finstrument-for-thread-suspension in,
3856                 # if these are instrumented it will be very bad news
3857                 # (infinite recursion, undefined parking behavior, etc)
3858                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3859                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3860                 if test "x$support_boehm" = "xyes"; then
3861                         AC_CONFIG_SUBDIRS(libgc)
3862                 fi
3863                 ;;
3864 esac
3865
3866 MALLOC_MEMPOOLS=no
3867 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3868         if test x$with_malloc_mempools = xyes; then
3869                 MALLOC_MEMPOOLS=yes
3870                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3871         fi
3872 ])
3873
3874
3875 DISABLE_MCS_DOCS=default
3876 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3877         if test x$with_mcs_docs != xyes; then
3878                 DISABLE_MCS_DOCS=yes
3879         fi
3880 ])
3881 if test -n "$INSTALL_4_x_TRUE"; then :
3882         DISABLE_MCS_DOCS=yes
3883 fi
3884 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3885    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3886 fi
3887
3888 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3889         if test x$with_lazy_gc_thread_creation != xno ; then
3890                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3891         fi
3892 ], [with_lazy_gc_thread_creation=no])
3893
3894 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])
3895
3896 if test x$with_cooperative_gc = xdefault; then
3897         with_cooperative_gc=$with_cooperative_gc_default
3898 fi
3899
3900 if test x$with_cooperative_gc != xno; then
3901         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3902 fi
3903
3904 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3905
3906 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],[
3907
3908         if test x$enable_checked_build != x ; then
3909                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3910         fi
3911         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3912                 eval "mono_checked_build_test_enable_$feature='yes'"
3913         done
3914
3915         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3916                 eval "mono_checked_build_test_enable_gc='yes'"
3917                 eval "mono_checked_build_test_enable_metadata='yes'"
3918                 eval "mono_checked_build_test_enable_thread='yes'"
3919         fi
3920
3921         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3922                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3923         fi
3924
3925         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3926                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3927         fi
3928
3929         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3930                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3931         fi
3932
3933 ], [])
3934
3935 AC_CHECK_HEADER([malloc.h],
3936                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3937                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3938
3939 if test x"$GCC" = xyes; then
3940         # Implicit function declarations are not 64 bit safe
3941         # Do this late, since this causes lots of configure tests to fail
3942         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3943         # jay has a lot of implicit declarations
3944         JAY_CFLAGS="-Wno-implicit-function-declaration"
3945 fi
3946
3947 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3948 # instead of libmono-static.a
3949 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3950    LIBMONO_LA=libmini-static.la
3951 else
3952    if test x$buildsgen = xyes; then
3953       LIBMONO_LA=libmonosgen-$API_VER.la
3954    else
3955       LIBMONO_LA=libmonoboehm-$API_VER.la
3956    fi
3957 fi
3958 AC_SUBST(LIBMONO_LA)
3959
3960 dnl **************
3961 dnl ***  Btls  ***
3962 dnl **************
3963
3964 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3965 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3966
3967 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3968
3969 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3970
3971 btls_android=no
3972 if test "x$enable_btls" = "xyes"; then
3973         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3974         if test "x$CMAKE" = "xno"; then
3975                 AC_MSG_ERROR("cmake not found")
3976         fi
3977
3978         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3979         AC_SUBST(BTLS_ROOT)
3980
3981         btls_arch=
3982         btls_cflags=
3983         BTLS_CMAKE_ARGS=
3984
3985         case "$BTLS_PLATFORM" in
3986         i386)
3987                 btls_arch=i386
3988                 btls_cflags="-m32"
3989                 case $host_os in
3990                         darwin*)
3991                                 btls_cflags="$btls_cflags -arch i386"
3992                 esac
3993                 ;;
3994         x86_64)
3995                 btls_arch=x86_64
3996                 ;;
3997         android-armv5)
3998                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3999                 ;;
4000         android-armv6)
4001                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4002                 ;;
4003         android-armv7)
4004                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4005                 ;;
4006         android-v8a)
4007                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4008                 ;;
4009         android-x86)
4010                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4011                 ;;
4012         android-x64)
4013                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4014                 ;;
4015         *)
4016                 AC_MSG_ERROR(Invalid BTLS platform)
4017         esac
4018
4019         if test "x$platform_android" = "xyes"; then
4020                 btls_android=yes
4021                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4022                 if test "x$with_btls_android_ndk" != "x"; then
4023                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4024                 fi
4025         fi
4026
4027         if test "x$btls_arch" != "x"; then
4028                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4029         fi
4030
4031         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4032         AC_SUBST(BTLS_ARCH)
4033         AC_SUBST(BTLS_CFLAGS)
4034         AC_SUBST(BTLS_PLATFORM)
4035         AC_SUBST(BTLS_CMAKE_ARGS)
4036
4037         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4038 else
4039         enable_btls=no
4040 fi
4041
4042 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4043
4044 if test x$DISABLE_MCS_DOCS = xyes; then
4045    docs_dir=""
4046 else
4047    docs_dir=docs
4048 fi
4049 AC_SUBST(docs_dir)
4050
4051 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4052 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4053
4054 libmono_ldflags="$libmono_ldflags $LIBS"
4055
4056 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4057 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4058 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4059 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4060 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4061 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4062 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4063 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4064 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4065 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4066 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4067 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4068 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4069 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4070 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4071 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4072 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4073 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4074
4075 AC_SUBST(LIBC)
4076 AC_SUBST(INTL)
4077 AC_SUBST(SQLITE)
4078 AC_SUBST(SQLITE3)
4079 AC_SUBST(X11)
4080 AC_SUBST(GDKX11)
4081 AC_SUBST(GTKX11)
4082 AC_SUBST(XINERAMA)
4083 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4084 AC_SUBST(arch_target)
4085 AC_SUBST(CFLAGS)
4086 AC_SUBST(CPPFLAGS)
4087 AC_SUBST(LDFLAGS)
4088
4089 #This must always be defined when building the runtime
4090 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4091
4092 mono_build_root=`pwd`
4093 AC_SUBST(mono_build_root)
4094
4095 mono_runtime=mono/mini/mono
4096 AC_SUBST(mono_runtime)
4097
4098 CSC=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.1.3.2/tools/csc.exe
4099
4100 mono_cfg_root=$mono_build_root/runtime
4101 if test x$host_win32 = xyes; then
4102   if test "x$cross_compiling" = "xno"; then
4103     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4104     CSC="'"`cygpath -w -a $CSC`"'"
4105   else
4106     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4107   fi
4108 else
4109   mono_cfg_dir=$mono_cfg_root/etc
4110 fi
4111 AC_SUBST(mono_cfg_dir)
4112
4113 AC_SUBST(CSC)
4114
4115 AC_CONFIG_FILES([po/mcs/Makefile.in])
4116
4117 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4118 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4119
4120 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4121 [   depth=../../../..
4122     case $srcdir in
4123     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4124     .) reldir=$depth ;;
4125     *) reldir=$depth/$srcdir ;;
4126     esac
4127     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4128     cd runtime/etc/mono/1.0
4129     rm -f machine.config
4130     $LN_S $reldir/data/net_1_1/machine.config machine.config
4131     cd $depth
4132 ],[LN_S='$LN_S'])
4133
4134 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4135 [   depth=../../../..
4136     case $srcdir in
4137     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4138     .) reldir=$depth ;;
4139     *) reldir=$depth/$srcdir ;;
4140     esac
4141     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4142     cd runtime/etc/mono/2.0
4143     rm -f machine.config
4144     $LN_S $reldir/data/net_2_0/machine.config machine.config
4145     cd $depth
4146 ],[LN_S='$LN_S'])
4147
4148 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4149 [   depth=../../../..
4150     case $srcdir in
4151     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4152     .) reldir=$depth ;;
4153     *) reldir=$depth/$srcdir ;;
4154     esac
4155     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4156     cd runtime/etc/mono/2.0
4157     rm -f web.config
4158     $LN_S $reldir/data/net_2_0/web.config web.config
4159     cd $depth
4160 ],[LN_S='$LN_S'])
4161
4162 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4163 [   depth=../../..
4164     case $srcdir in
4165     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4166     .) reldir=$depth ;;
4167     *) reldir=$depth/$srcdir ;;
4168     esac
4169     $ac_aux_dir/install-sh -d runtime/etc/mono/
4170     cd runtime/etc/mono/
4171     rm -f browscap.ini
4172     $LN_S $reldir/data/browscap.ini browscap.ini
4173     cd $depth
4174 ],[LN_S='$LN_S'])
4175
4176 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4177 [   depth=../../../../..
4178     case $srcdir in
4179     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4180     .) reldir=$depth ;;
4181     *) reldir=$depth/$srcdir ;;
4182     esac
4183     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4184     cd runtime/etc/mono/2.0/Browsers
4185     rm -f Compat.browser
4186     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4187     cd $depth
4188 ],[LN_S='$LN_S'])
4189
4190 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4191 [   depth=../../../../..
4192     case $srcdir in
4193     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4194     .) reldir=$depth ;;
4195     *) reldir=$depth/$srcdir ;;
4196     esac
4197     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4198     cd runtime/etc/mono/4.0/Browsers
4199     rm -f Compat.browser
4200     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4201     cd $depth
4202 ],[LN_S='$LN_S'])
4203
4204 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4205 [   depth=../../../../..
4206     case $srcdir in
4207     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4208     .) reldir=$depth ;;
4209     *) reldir=$depth/$srcdir ;;
4210     esac
4211     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4212     cd runtime/etc/mono/4.5/Browsers
4213     rm -f Compat.browser
4214     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4215     cd $depth
4216 ],[LN_S='$LN_S'])
4217
4218 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4219 [   depth=../../../..
4220     case $srcdir in
4221     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4222     .) reldir=$depth ;;
4223     *) reldir=$depth/$srcdir ;;
4224     esac
4225     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4226     cd runtime/etc/mono/4.0
4227     rm -f machine.config
4228     $LN_S $reldir/data/net_4_0/machine.config machine.config
4229     cd $depth
4230 ],[LN_S='$LN_S'])
4231
4232 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4233 [   depth=../../../..
4234     case $srcdir in
4235     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4236     .) reldir=$depth ;;
4237     *) reldir=$depth/$srcdir ;;
4238     esac
4239     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4240     cd runtime/etc/mono/4.0
4241     rm -f web.config
4242     $LN_S $reldir/data/net_4_0/web.config web.config
4243     cd $depth
4244 ],[LN_S='$LN_S'])
4245
4246 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4247 [   depth=../../../..
4248     case $srcdir in
4249     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4250     .) reldir=$depth ;;
4251     *) reldir=$depth/$srcdir ;;
4252     esac
4253     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4254     cd runtime/etc/mono/4.5
4255     rm -f machine.config
4256     $LN_S $reldir/data/net_4_5/machine.config machine.config
4257     cd $depth
4258 ],[LN_S='$LN_S'])
4259
4260 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4261 [   depth=../../../..
4262     case $srcdir in
4263     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4264     .) reldir=$depth ;;
4265     *) reldir=$depth/$srcdir ;;
4266     esac
4267     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4268     cd runtime/etc/mono/4.5
4269     rm -f web.config
4270     $LN_S $reldir/data/net_4_5/web.config web.config
4271     cd $depth
4272 ],[LN_S='$LN_S'])
4273
4274 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])
4275 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])
4276
4277 AC_OUTPUT([
4278 Makefile
4279 mono-uninstalled.pc
4280 acceptance-tests/Makefile
4281 llvm/Makefile
4282 scripts/mono-find-provides
4283 scripts/mono-find-requires
4284 mono/Makefile
4285 mono/btls/Makefile
4286 mono/utils/Makefile
4287 mono/metadata/Makefile
4288 mono/dis/Makefile
4289 mono/cil/Makefile
4290 mono/arch/Makefile
4291 mono/arch/x86/Makefile
4292 mono/arch/amd64/Makefile
4293 mono/arch/ppc/Makefile
4294 mono/arch/sparc/Makefile
4295 mono/arch/s390x/Makefile
4296 mono/arch/arm/Makefile
4297 mono/arch/arm64/Makefile
4298 mono/arch/ia64/Makefile
4299 mono/arch/mips/Makefile
4300 mono/sgen/Makefile
4301 mono/tests/Makefile
4302 mono/tests/tests-config
4303 mono/tests/assemblyresolve/Makefile
4304 mono/tests/gc-descriptors/Makefile
4305 mono/unit-tests/Makefile
4306 mono/benchmark/Makefile
4307 mono/io-layer/Makefile
4308 mono/mini/Makefile
4309 mono/profiler/Makefile
4310 m4/Makefile
4311 ikvm-native/Makefile
4312 scripts/Makefile
4313 man/Makefile
4314 docs/Makefile
4315 data/Makefile
4316 data/net_2_0/Makefile
4317 data/net_4_0/Makefile
4318 data/net_4_5/Makefile
4319 data/net_2_0/Browsers/Makefile
4320 data/net_4_0/Browsers/Makefile
4321 data/net_4_5/Browsers/Makefile
4322 data/mint.pc
4323 data/mono-2.pc
4324 data/monosgen-2.pc
4325 data/mono.pc
4326 data/mono-cairo.pc
4327 data/mono-nunit.pc
4328 data/mono-options.pc
4329 data/mono-lineeditor.pc
4330 data/monodoc.pc
4331 data/dotnet.pc
4332 data/dotnet35.pc
4333 data/wcf.pc
4334 data/cecil.pc
4335 data/system.web.extensions_1.0.pc
4336 data/system.web.extensions.design_1.0.pc
4337 data/system.web.mvc.pc
4338 data/system.web.mvc2.pc
4339 data/system.web.mvc3.pc
4340 data/aspnetwebstack.pc
4341 data/reactive.pc
4342 samples/Makefile
4343 support/Makefile
4344 data/config
4345 tools/Makefile
4346 tools/locale-builder/Makefile
4347 tools/sgen/Makefile
4348 tools/monograph/Makefile
4349 tools/pedump/Makefile
4350 runtime/Makefile
4351 msvc/Makefile
4352 po/Makefile
4353 ])
4354
4355 # Update all submodules recursively to ensure everything is checked out
4356 $srcdir/scripts/update_submodules
4357
4358 if test x$host_win32 = xyes; then
4359    # Get rid of 'cyg' prefixes in library names
4360    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4361    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4362    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4363    # executable doesn't work...
4364    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4365 fi
4366
4367 if test x$host_darwin = xyes; then
4368    # This doesn't seem to be required and it slows down parallel builds
4369    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4370 fi
4371
4372 (
4373   case $prefix in
4374   NONE) prefix=$ac_default_prefix ;;
4375   esac
4376   case $exec_prefix in
4377   NONE) exec_prefix='${prefix}' ;;
4378   esac
4379
4380   #
4381   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4382   # any existing config.make.  This allows people to share the same source tree
4383   # with different build directories, one native and one cross
4384   #
4385   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4386
4387     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4388
4389     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4390     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4391     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4392     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4393     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4394     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4395     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4396     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4397     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4398
4399     case $INSTALL in
4400     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4401     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4402     esac
4403
4404     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4405
4406     export VERSION
4407     [myver=$($AWK 'BEGIN {
4408       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4409       if(length(vsplit [1]) > 4) {
4410         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4411       }
4412       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4413     }')]
4414
4415     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4416
4417     if test x$host_darwin = xyes; then
4418       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4419     fi
4420
4421     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4422       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4423     fi
4424
4425         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4426            enable_system_aot=yes
4427         fi
4428
4429     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4430       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4431     fi
4432
4433     if test x$DISABLE_MCS_DOCS = xyes; then
4434       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4435     fi
4436
4437     if test x$has_extension_module != xno; then
4438         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4439     fi
4440
4441     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4442
4443     if test "x$test_bcl_opt" = "xyes"; then
4444       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4445     fi
4446
4447     echo "CSC_LOCATION = $CSC" >> $srcdir/$mcsdir/build/config.make
4448
4449     if test $csc_compiler = mcs; then
4450       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4451     fi
4452
4453     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4454       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4455       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4456     fi
4457
4458     if test "x$enable_btls" = "xyes"; then
4459       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4460       if test "x$enable_dynamic_btls" = "xyes"; then
4461         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4462       fi
4463     fi
4464
4465   fi
4466
4467 )
4468
4469 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4470
4471 btls_platform_string=
4472 if test x$enable_btls = xyes; then
4473         if test x$btls_android = xyes; then
4474                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4475         else
4476                 btls_platform_string=" ($BTLS_PLATFORM)"
4477         fi
4478 fi
4479
4480 echo "
4481         mcs source:    $mcsdir
4482         C# Compiler:   $csc_compiler
4483
4484    Engine:
4485         Host:          $host
4486         Target:        $target
4487         GC:            $gc_msg
4488         TLS:           $with_tls
4489         SIGALTSTACK:   $with_sigaltstack
4490         Engine:        $jit_status
4491         BigArrays:     $enable_big_arrays
4492         DTrace:        $enable_dtrace
4493         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4494
4495    Libraries:
4496         .NET 4.x:        $with_profile4_x
4497         Xamarin.Android: $with_monodroid
4498         Xamarin.iOS:     $with_monotouch
4499         Xamarin.WatchOS: $with_monotouch_watch
4500         Xamarin.TVOS:    $with_monotouch_tv
4501         Xamarin.Mac:     $with_xammac
4502         AOT preferred:   $with_aot_hybrid
4503         AOT only:        $with_aot_only
4504         JNI support:     $jdk_headers_found
4505         libgdiplus:      $libgdiplus_msg
4506         zlib:            $zlib_msg
4507         BTLS:            $enable_btls$btls_platform_string
4508         $disabled
4509 "
4510 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4511    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4512 fi