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