configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 AC_SUBST(PLATFORM_AOT_SUFFIX)
 383
 384 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 385
 386 AC_CHECK_TOOL(CC, gcc, gcc)
 387 AC_PROG_CC
 388 AC_CHECK_TOOL(CXX, g++, g++)
 389 AC_PROG_CXX
 390 AM_PROG_AS
 391 AC_PROG_INSTALL
 392 AC_PROG_AWK
 393 AM_PROG_CC_C_O
 394 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 395 : ${CCAS='$(CC)'}
 396 # Set ASFLAGS if not already set.
 397 : ${CCASFLAGS='$(CFLAGS)'}
 398 AC_SUBST(CCAS)
 399 AC_SUBST(CCASFLAGS)
 400
 401 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 402 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 403 if test "x$CXX" = "xg++"; then
 404         if test "x$GXX" != "xyes"; then
 405                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 406                 # are inside automake conditionals
 407                 AC_MSG_ERROR([You need to install g++])
 408         fi
 409 fi
 410
 411 dnl may require a specific autoconf version
 412 dnl AC_PROG_CC_FOR_BUILD
 413 dnl CC_FOR_BUILD not automatically detected
 414 CC_FOR_BUILD=$CC
 415 CFLAGS_FOR_BUILD=$CFLAGS
 416 BUILD_EXEEXT=
 417 if test "x$cross_compiling" = "xyes"; then
 418         CC_FOR_BUILD=cc
 419         CFLAGS_FOR_BUILD=
 420         BUILD_EXEEXT=""
 421 fi
 422 AC_SUBST(CC_FOR_BUILD)
 423 AC_SUBST(CFLAGS_FOR_BUILD)
 424 AC_SUBST(HOST_CC)
 425 AC_SUBST(BUILD_EXEEXT)
 426
 427 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 428 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 429
 430 # Set STDC_HEADERS
 431 AC_HEADER_STDC
 432 AC_LIBTOOL_WIN32_DLL
 433 # This causes monodis to not link correctly
 434 #AC_DISABLE_FAST_INSTALL
 435 AM_PROG_LIBTOOL
 436 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 437 DOLT
 438
 439 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 440 AC_SUBST(export_ldflags)
 441
 442 # Test whenever ld supports -version-script
 443 AC_PROG_LD
 444 AC_PROG_LD_GNU
 445
 446 AM_ICONV()
 447
 448 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 449 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 450 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 451                   [], [], [#include <stddef.h>
 452                   #include <sys/socket.h>
 453                   #include <linux/socket.h>])
 454
 455 AC_CHECK_HEADERS(sys/user.h, [], [],
 456 [
 457 #ifdef HAVE_SYS_PARAM_H
 458 # include <sys/param.h>
 459 #endif
 460 ])
 461
 462 AC_CHECK_HEADERS(linux/serial.h)
 463
 464 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 465 if test x$have_zlib = xyes; then
 466    AC_TRY_COMPILE([#include <zlib.h>], [
 467    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 468    return 0;
 469    #else
 470    #error No good zlib found
 471    #endif
 472    ],[
 473         AC_MSG_RESULT(Using system zlib)
 474         zlib_msg="system zlib"
 475         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 476    ],[
 477         AC_MSG_RESULT(Using embedded zlib)
 478         have_zlib=no
 479         zlib_msg="bundled zlib"
 480    ])
 481 fi
 482
 483 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 484 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 485
 486 # for mono/metadata/debug-symfile.c
 487 AC_CHECK_HEADERS(elf.h)
 488
 489 # for support
 490 AC_CHECK_HEADERS(poll.h)
 491 AC_CHECK_HEADERS(sys/poll.h)
 492 AC_CHECK_HEADERS(sys/wait.h)
 493 AC_CHECK_HEADERS(grp.h)
 494 AC_CHECK_HEADERS(syslog.h)
 495
 496 # for mono/dis
 497 AC_CHECK_HEADERS(wchar.h)
 498 AC_CHECK_HEADERS(ieeefp.h)
 499 AC_MSG_CHECKING(for isinf)
 500 AC_TRY_LINK([#include <math.h>], [
 501         int f = isinf (1.0);
 502 ], [
 503         AC_MSG_RESULT(yes)
 504         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 505 ], [
 506         # We'll have to use signals
 507         AC_MSG_RESULT(no)
 508 ])
 509 # mingw
 510 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 511         AC_TRY_LINK([#include <math.h>],
 512         [ _finite(0.0); ],
 513         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 514         AC_MSG_RESULT(no)))
 515
 516 # for Linux statfs support
 517 AC_CHECK_HEADERS(linux/magic.h)
 518
 519 # not 64 bit clean in cross-compile
 520 AC_CHECK_SIZEOF(void *, 4)
 521
 522 AC_CACHE_CHECK([for clang],
 523         mono_cv_clang,[
 524         AC_TRY_COMPILE([], [
 525                 #ifdef __clang__
 526                 #else
 527                 #error "FAILED"
 528                 #endif
 529                 return 0;
 530         ],
 531         [mono_cv_clang=yes],
 532         [mono_cv_clang=no],
 533         [])
 534 ])
 535
 536 AC_ARG_ENABLE(visibility-hidden,
 537 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 538    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 539
 540 WARN=''
 541 if test x"$GCC" = xyes; then
 542         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 543
 544                 # We require C99 with some GNU extensions, e.g. `linux` macro
 545                 CFLAGS="$CFLAGS -std=gnu99"
 546
 547                 # The runtime code does not respect ANSI C strict aliasing rules
 548                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 549
 550                 # We rely on signed overflow to behave
 551                 CFLAGS="$CFLAGS -fwrapv"
 552
 553                 # We rely on zero length arrays in structs
 554                 CFLAGS="$CFLAGS -Wno-zero-length-array"
 555
 556                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 557                 if test x"$disable_visibility_hidden" = xno; then
 558                    # Don't export any symbols by default
 559                    SHARED_CFLAGS="-fvisibility=hidden"
 560                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 561                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 562                 fi
 563
 564                 ORIG_CFLAGS=$CFLAGS
 565                 # Check for the normal version, since gcc ignores unknown -Wno options
 566                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 567                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 568                 AC_TRY_COMPILE([],[
 569                                 return 0;
 570                 ], [
 571                    AC_MSG_RESULT(yes)
 572                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 573                 ], [
 574                    AC_MSG_RESULT(no)
 575                    CFLAGS=$ORIG_CFLAGS
 576                 ])
 577
 578                 if test "x$mono_cv_clang" = "xyes"; then
 579                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 580                    WARN="$WARN -Qunused-arguments"
 581                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 582                 fi
 583 else
 584         # The Sun Forte compiler complains about inline functions that access static variables
 585         # so disable all inlining.
 586         case "$host" in
 587         *-*-solaris*)
 588                 CFLAGS="$CFLAGS -Dinline="
 589                 ;;
 590         esac
 591 fi
 592 CFLAGS="$CFLAGS -g $WARN"
 593 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 594 CPPFLAGS="$CPPFLAGS -g $WARN"
 595
 596 # Where's the 'mcs' source tree?
 597 if test -d $srcdir/mcs; then
 598   mcsdir=mcs
 599 else
 600   mcsdir=../mcs
 601 fi
 602
 603 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 604         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 605                 mcsdir=$with_mcs_path
 606         fi
 607 )
 608
 609 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 610
 611 #
 612 # A sanity check to catch cases where the package was unpacked
 613 # with an ancient tar program (Solaris)
 614 #
 615 AC_ARG_ENABLE(solaris-tar-check,
 616 [  --disable-solaris-tar-check    disable solaris tar check],
 617    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 618
 619 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 620         AC_MSG_CHECKING(integrity of package)
 621         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 622         then
 623                 AC_MSG_RESULT(ok)
 624         else
 625                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 626                 AC_MSG_ERROR([$errorm])
 627         fi
 628 fi
 629
 630 if test "x$with_mcs_path" != "x"; then
 631 mcs_topdir=$(cd "$mcsdir" && pwd)
 632 mcs_topdir_from_srcdir=$mcs_topdir
 633 else
 634 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 635 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 636 fi
 637
 638 # Convert mcs_topdir* paths to Windows syntax.
 639 if test x$cross_compiling$host_win32 = xnoyes; then
 640   mcs_topdir=$(cygpath -m $mcs_topdir)
 641   case $mcs_topdir_from_srcdir in
 642     /cygdrive/*)
 643         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 644         ;;
 645   esac
 646 fi
 647
 648 AC_SUBST([mcs_topdir])
 649 AC_SUBST([mcs_topdir_from_srcdir])
 650
 651 # gettext: prepare the translation directories.
 652 # we do not configure the full gettext, as we consume it dynamically from C#
 653 AM_PO_SUBDIRS
 654
 655 if test "x$USE_NLS" = "xyes"; then
 656    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 657
 658    if test "x$HAVE_MSGFMT" = "xno"; then
 659           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 660    fi
 661 fi
 662
 663 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 664
 665 pkg_config_path=
 666 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 667         if test x$with_crosspkgdir = "x"; then
 668                 if test -s $PKG_CONFIG_PATH; then
 669                         pkg_config_path=$PKG_CONFIG_PATH
 670                 fi
 671         else
 672                 pkg_config_path=$with_crosspkgdir
 673                 PKG_CONFIG_PATH=$pkg_config_path
 674                 export PKG_CONFIG_PATH
 675         fi
 676 )
 677
 678 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 679 if test x$werror_flag = xyes; then
 680         WERROR_CFLAGS="-Werror"
 681 fi
 682 AC_SUBST([WERROR_CFLAGS])
 683 AC_SUBST([SHARED_CFLAGS])
 684
 685 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 686 AC_CONFIG_SUBDIRS(eglib)
 687
 688 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 689 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 690
 691 AC_SUBST(GLIB_CFLAGS)
 692 AC_SUBST(GLIB_LIBS)
 693
 694 # Enable support for fast thread-local storage
 695 # Some systems have broken support, so we allow to disable it.
 696 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 697
 698 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 699 # This does not work on some platforms (bug #55253)
 700 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 701
 702 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 703 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 704 # Same as --with-shared_mono=no
 705 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 706
 707 if test "x$enable_static" = "xno"; then
 708    with_static_mono=no
 709 fi
 710
 711 if test "x$enable_shared" = "xno"; then
 712    with_shared_mono=no
 713 fi
 714
 715 if test "x$enable_libraries" = "xno"; then
 716    with_shared_mono=no
 717 fi
 718
 719 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 720
 721 case $host in
 722 *nacl* ) with_shared_mono=yes;;
 723 esac
 724
 725 if test "x$host_win32" = "xyes"; then
 726    # Boehm GC requires the runtime to be in its own dll
 727    with_static_mono=no
 728 fi
 729
 730 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 731 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 732 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 733
 734 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 735 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 736         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 737         ORIG_CFLAGS=$CFLAGS
 738         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 739         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 740         AC_TRY_COMPILE([], [
 741                 return 0;
 742         ], [
 743            AC_MSG_RESULT(yes)
 744            # Pass it to libgc as well
 745            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 746         ], [
 747            AC_MSG_RESULT(no)
 748            CFLAGS=$ORIG_CFLAGS
 749         ])
 750 fi
 751
 752 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 753
 754 if test x$enable_small_config = xyes; then
 755         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 756         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 757 fi
 758
 759 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=$enableval, enable_system_aot=default)
 760
 761 DISABLED_FEATURES=none
 762
 763 #
 764 # Set the build profiles and options before things which use them
 765 #
 766
 767 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 768 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 769 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 770 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 771 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 772 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 773 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 774 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 775
 776 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 777
 778 dnl
 779 dnl Profile defaults
 780 dnl
 781 TEST_PROFILE=default
 782 enable_llvm_default=no
 783
 784 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
 785
 786 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 787    DISABLE_MCS_DOCS_default=yes
 788    with_profile4_x_default=no
 789    with_monodroid_default=no
 790    with_monotouch_default=no
 791    with_monotouch_watch_default=no
 792    with_monotouch_tv_default=no
 793    with_xammac_default=no
 794    with_mobile_static_default=no
 795    with_bitcode_default=no
 796    with_cooperative_gc_default=no
 797 elif test x$with_runtime_preset = xnet_4_x; then
 798    with_cooperative_gc_default=no
 799    with_profile4_x_default=yes
 800    with_monodroid_default=no
 801    with_monotouch_default=no
 802    with_monotouch_watch_default=no
 803    with_monotouch_tv_default=no
 804    with_xammac_default=no
 805    with_mobile_static_default=no
 806    with_bitcode_default=no
 807 elif test x$with_runtime_preset = xall; then
 808    with_cooperative_gc_default=no
 809    with_profile4_x_default=yes
 810    with_monodroid_default=yes
 811    with_monotouch_default=yes
 812    with_monotouch_watch_default=yes
 813    with_monotouch_tv_default=yes
 814    with_xammac_default=yes
 815    with_mobile_static_default=no
 816    with_bitcode_default=no
 817 elif test x$with_runtime_preset = xmobile_static; then
 818    DISABLE_MCS_DOCS_default=yes
 819    with_cooperative_gc_default=no
 820    with_profile4_x_default=no
 821    with_monodroid_default=no
 822    with_monotouch_default=no
 823    with_monotouch_watch_default=no
 824    with_monotouch_tv_default=no
 825    with_xammac_default=no
 826    with_mobile_static_default=yes
 827    with_bitcode_default=no
 828    with_cooperative_gc_default=no
 829    TEST_PROFILE=mobile_static
 830
 831    mono_feature_disable_com='yes'
 832    mono_feature_disable_remoting='yes'
 833    mono_feature_disable_reflection_emit_save='yes'
 834    mono_feature_disable_reflection_emit='yes'
 835    mono_feature_disable_appdomains='yes'
 836
 837    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 838    AOT_RUN_FLAGS="--full-aot"
 839 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 840    DISABLE_MCS_DOCS_default=yes
 841    with_profile4_x_default=no
 842    with_monodroid_default=no
 843    with_monotouch_default=no
 844    with_monotouch_watch_default=no
 845    with_monotouch_tv_default=no
 846    with_xammac_default=no
 847    with_mobile_static_default=yes
 848    with_bitcode_default=yes
 849    with_cooperative_gc_default=yes
 850    TEST_PROFILE=mobile_static
 851    enable_llvm_default=yes
 852
 853    mono_feature_disable_com='yes'
 854    mono_feature_disable_remoting='yes'
 855    mono_feature_disable_reflection_emit_save='yes'
 856    mono_feature_disable_reflection_emit='yes'
 857    mono_feature_disable_appdomains='yes'
 858
 859    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 860    AOT_RUN_FLAGS="--llvmonly"
 861 else
 862    with_profile4_x_default=yes
 863    with_monodroid_default=no
 864    with_monotouch_default=no
 865    with_monotouch_watch_default=no
 866    with_monotouch_tv_default=no
 867    with_bitcode_default=no
 868    with_xammac_default=no
 869    with_mobile_static_default=no
 870    with_cooperative_gc_default=no
 871 fi
 872
 873 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 874    AC_SUBST(AOT_BUILD_FLAGS)
 875    AC_SUBST(AOT_RUN_FLAGS)
 876    # For llvmonlycheck + fullaotcheck
 877    AC_SUBST(INVARIANT_AOT_OPTIONS)
 878 fi
 879
 880 AC_SUBST(TEST_PROFILE)
 881
 882 if test "x$with_profile4_x" = "xdefault"; then
 883    with_profile4_x=$with_profile4_x_default
 884 fi
 885 if test "x$with_monodroid" = "xdefault"; then
 886    with_monodroid=$with_monodroid_default
 887 fi
 888 if test "x$with_monotouch" = "xdefault"; then
 889    with_monotouch=$with_monotouch_default
 890 fi
 891 if test "x$with_monotouch_watch" = "xdefault"; then
 892    with_monotouch_watch=$with_monotouch_watch_default
 893 fi
 894 if test "x$with_monotouch_tv" = "xdefault"; then
 895    with_monotouch_tv=$with_monotouch_tv_default
 896 fi
 897 if test "x$with_bitcode" = "xdefault"; then
 898    with_bitcode=$with_bitcode_default
 899 fi
 900 if test "x$with_xammac" = "xdefault"; then
 901    with_xammac=$with_xammac_default
 902 fi
 903 if test "x$with_mobile_static" = "xdefault"; then
 904    with_mobile_static=$with_mobile_static_default
 905 fi
 906
 907 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 908 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 909 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 910 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 911 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 912 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 913 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 914 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 915
 916 AC_SUBST(INSTALL_MOBILE_STATIC)
 917
 918 default_profile=net_4_x
 919 if test -z "$INSTALL_MONODROID_TRUE"; then :
 920    default_profile=monodroid
 921 fi
 922 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 923    default_profile=monotouch
 924 fi
 925 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 926    default_profile=xammac
 927 fi
 928 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 929    default_profile=mobile_static
 930 fi
 931 if test -z "$INSTALL_4_x_TRUE"; then :
 932    default_profile=net_4_x
 933 fi
 934 DEFAULT_PROFILE=$default_profile
 935 AC_SUBST(DEFAULT_PROFILE)
 936
 937 #
 938 # End build profile configuration
 939 #
 940
 941 if test x$USE_NLS = xprofile_default; then
 942
 943 if test x$host_darwin = xyes; then
 944 # We make the default value for USE_NLS
 945 # "no" on OSX because it isn't available on most
 946 # default OSX installs. The most common configurations will
 947 # all disable it, so this saves us typing.
 948   USE_NLS=no
 949   AC_SUBST([USE_NLS])
 950   AC_MSG_RESULT([$USE_NLS])
 951 else
 952   USE_NLS=yes
 953   AC_SUBST([USE_NLS])
 954   AC_MSG_RESULT([$USE_NLS])
 955 fi
 956
 957 fi
 958
 959 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 960      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 961      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 962          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 963 [
 964         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 965                 eval "mono_feature_disable_$feature='yes'"
 966         done
 967         DISABLED_FEATURES=$enable_minimal
 968         disabled="Disabled:      $enable_minimal"
 969 ],[])
 970
 971 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 972
 973 if test "x$mono_feature_disable_aot" = "xyes"; then
 974         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 975         enable_system_aot=no
 976         AC_MSG_NOTICE([Disabled AOT compiler])
 977 fi
 978
 979 if test "x$mono_feature_disable_profiler" = "xyes"; then
 980         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 981         AC_MSG_NOTICE([Disabled support for the profiler])
 982 fi
 983 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 984
 985 if test "x$mono_feature_disable_decimal" = "xyes"; then
 986         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 987         AC_MSG_NOTICE([Disabled support for decimal])
 988 fi
 989
 990 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 991         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 992         AC_MSG_NOTICE([Disabled support for P/Invoke])
 993 fi
 994
 995 if test "x$mono_feature_disable_debug" = "xyes"; then
 996         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 997         AC_MSG_NOTICE([Disabled support for runtime debugging])
 998 fi
 999
1000 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1001         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1002         mono_feature_disable_reflection_emit_save=yes
1003         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1004 fi
1005
1006 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1007         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1008         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1009 fi
1010
1011 if test "x$mono_feature_disable_large_code" = "xyes"; then
1012         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1013         AC_MSG_NOTICE([Disabled support for large assemblies])
1014 fi
1015
1016 if test "x$mono_feature_disable_logging" = "xyes"; then
1017         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1018         AC_MSG_NOTICE([Disabled support for logging])
1019 fi
1020
1021 if test "x$mono_feature_disable_com" = "xyes"; then
1022         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1023         AC_MSG_NOTICE([Disabled COM support])
1024 fi
1025
1026 if test "x$mono_feature_disable_ssa" = "xyes"; then
1027         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1028         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1029 fi
1030
1031 if test "x$mono_feature_disable_generics" = "xyes"; then
1032         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1033         AC_MSG_NOTICE([Disabled Generics Support])
1034 fi
1035
1036 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1037         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1038         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1039 fi
1040
1041 if test "x$mono_feature_disable_portability" = "xyes"; then
1042         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1043         AC_MSG_NOTICE([Disabled IO Portability layer])
1044 fi
1045
1046 if test "x$mono_feature_disable_attach" = "xyes"; then
1047         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1048         AC_MSG_NOTICE([Disabled agent attach])
1049 fi
1050
1051 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1052         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1053         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1054 fi
1055
1056 if test "x$mono_feature_disable_verifier" = "xyes"; then
1057         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1058         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1059 fi
1060
1061 if test "x$mono_feature_disable_jit" = "xyes"; then
1062         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1063         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1064 fi
1065
1066 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1067
1068 if test "x$mono_feature_disable_simd" = "xyes"; then
1069         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1070         AC_MSG_NOTICE([Disabled SIMD support])
1071 fi
1072
1073 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1074         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1075         AC_MSG_NOTICE([Disabled Soft Debugger.])
1076 fi
1077
1078 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1079         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1080         AC_MSG_NOTICE([Disabled Performance Counters.])
1081 fi
1082 if test "x$mono_feature_disable_normalization" = "xyes"; then
1083         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1084         AC_MSG_NOTICE([Disabled String normalization support.])
1085 fi
1086
1087 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1088         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1089         AC_MSG_NOTICE([Disabled Assembly remapping.])
1090 fi
1091
1092 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1093         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1094         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1095 fi
1096
1097 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1098         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1099         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1100 fi
1101
1102 if test "x$mono_feature_disable_remoting" = "xyes"; then
1103         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1104         AC_MSG_NOTICE([Disabled remoting])
1105 fi
1106
1107 if test "x$mono_feature_disable_security" = "xyes"; then
1108         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1109         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1110 fi
1111
1112 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1113         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1114         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1115 fi
1116
1117 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1118         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1119         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1120 fi
1121
1122 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1123         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1124         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1125 fi
1126
1127 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1128         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1129         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1130 fi
1131
1132 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1133         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1134         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1135 fi
1136
1137 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1138 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1139
1140 has_extension_module=no
1141 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1142 [
1143         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1144                 if test x$extension = xdefault ; then
1145                         has_extension_module=yes;
1146                 fi
1147         done
1148         if test x$enable_extension_module = xyes; then
1149                 has_extension_module=yes;
1150         fi
1151 ], [])
1152
1153 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1154
1155 if test x$has_extension_module != xno ; then
1156         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1157         AC_MSG_NOTICE([Enabling mono extension module.])
1158 fi
1159
1160 # Deprecated
1161 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1162
1163 AC_MSG_CHECKING(for visibility __attribute__)
1164 AC_COMPILE_IFELSE([
1165         AC_LANG_SOURCE([[
1166                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1167                 int main () { doit (); return 0; }
1168         ]])
1169 ], [
1170    have_visibility_hidden=yes
1171    AC_MSG_RESULT(yes)
1172 ], [
1173    have_visibility_hidden=no
1174    AC_MSG_RESULT(no)
1175 ])
1176
1177 dnl
1178 dnl Boehm GC configuration
1179 dnl
1180
1181 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1182
1183 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1184 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1185
1186 if test "x$support_boehm" = "xyes"; then
1187
1188         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1189         if test x$enable_parallel_mark = xyes; then
1190                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1191         fi
1192
1193         gc_msg=""
1194         LIBGC_CPPFLAGS=
1195         LIBGC_LIBS=
1196         LIBGC_STATIC_LIBS=
1197         libgc_dir=
1198         case "x$libgc" in
1199                 xincluded)
1200                         if test "x$support_boehm" = "xyes"; then
1201                                 libgc_dir=libgc
1202                         fi
1203
1204                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1205                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1206                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1207
1208                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1209
1210                         if test x$target_win32 = xyes; then
1211                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1212                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1213                         fi
1214
1215                         gc_msg="Included Boehm GC with typed GC"
1216                         if test x$enable_parallel_mark = xyes; then
1217                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1218                                 gc_msg="$gc_msg and parallel mark"
1219                         else
1220                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1221                         fi
1222                         ;;
1223
1224                 xboehm|xbohem|xyes)
1225                         AC_MSG_WARN("External Boehm is no longer supported")
1226                         ;;
1227
1228                 xsgen)
1229                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1230                         ;;
1231
1232                 xnone)
1233                         AC_MSG_WARN("Compiling mono without GC.")
1234                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1235                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1236                         gc_msg="none"
1237                         ;;
1238                 *)
1239                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1240                         ;;
1241         esac
1242
1243         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1244         if test "x$large_heap" = "xyes"; then
1245            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1246         fi
1247
1248         AC_SUBST(LIBGC_CPPFLAGS)
1249         AC_SUBST(LIBGC_LIBS)
1250         AC_SUBST(LIBGC_STATIC_LIBS)
1251         AC_SUBST(libgc_dir)
1252         AC_SUBST(BOEHM_DEFINES)
1253
1254 fi
1255
1256 dnl
1257 dnl End of Boehm GC Configuration
1258 dnl
1259
1260 dnl *************************************
1261 dnl *** Checks for zero length arrays ***
1262 dnl *************************************
1263 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1264 AC_TRY_COMPILE([
1265         struct s {
1266                 int  length;
1267                 char data [0];
1268         };
1269 ], [], [
1270         AC_MSG_RESULT(yes)
1271         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1272 ], [
1273         AC_MSG_RESULT(no)
1274         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1275 ])
1276
1277 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1278
1279 dnl ***********************************
1280 dnl *** Checks for signals
1281 dnl ***********************************
1282 AC_CHECK_HEADERS(signal.h)
1283 AC_CHECK_FUNCS(sigaction)
1284 AC_CHECK_FUNCS(kill)
1285 AC_CHECK_FUNCS(signal)
1286
1287 # signal() is declared inline in Android headers
1288 # so we need to workaround it by overriding the check.
1289 if test x$platform_android = xyes; then
1290         AC_DEFINE(HAVE_SIGNAL,1)
1291 fi
1292
1293 if test x$host_win32 = xno; then
1294
1295         dnl hires monotonic clock support
1296         AC_SEARCH_LIBS(clock_gettime, rt)
1297         AC_CHECK_FUNCS(clock_nanosleep)
1298
1299         dnl dynamic loader support
1300         AC_CHECK_FUNC(dlopen, DL_LIB="",
1301                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1302         )
1303         if test x$dl_support = xno; then
1304                 AC_MSG_WARN([No dynamic loading support available])
1305         else
1306                 LIBS="$LIBS $DL_LIB"
1307                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1308                 dnl from glib's configure.ac
1309                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1310                         mono_cv_uscore,[
1311                         AC_TRY_RUN([#include <dlfcn.h>
1312                         int mono_underscore_test (void) { return 42; }
1313                         int main() {
1314                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1315                           handle = dlopen ((void*)0, 0);
1316                           if (handle) {
1317                             f1 = dlsym (handle, "mono_underscore_test");
1318                             f2 = dlsym (handle, "_mono_underscore_test");
1319                           } return (!f2 || f1);
1320                         }],
1321                                 [mono_cv_uscore=yes],
1322                                 [mono_cv_uscore=no],
1323                         [])
1324                 ])
1325                 if test "x$mono_cv_uscore" = "xyes"; then
1326                         MONO_DL_NEED_USCORE=1
1327                 else
1328                         MONO_DL_NEED_USCORE=0
1329                 fi
1330                 AC_SUBST(MONO_DL_NEED_USCORE)
1331                 AC_CHECK_FUNC(dlerror)
1332         fi
1333
1334         dnl ******************************************************************
1335         dnl *** Checks for the IKVM JNI interface library                  ***
1336         dnl ******************************************************************
1337         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])
1338
1339         ikvm_native_dir=
1340         if test x$with_ikvm_native = xyes; then
1341                 ikvm_native_dir=ikvm-native
1342                 jdk_headers_found="IKVM Native"
1343         fi
1344
1345         AC_SUBST(ikvm_native_dir)
1346
1347         AC_CHECK_HEADERS(execinfo.h)
1348
1349         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1350
1351         AC_CHECK_FUNCS(getgrgid_r)
1352         AC_CHECK_FUNCS(getgrnam_r)
1353         AC_CHECK_FUNCS(getpwnam_r)
1354         AC_CHECK_FUNCS(getpwuid_r)
1355         AC_CHECK_FUNCS(getresuid)
1356         AC_CHECK_FUNCS(setresuid)
1357         AC_CHECK_FUNCS(kqueue)
1358         AC_CHECK_FUNCS(backtrace_symbols)
1359         AC_CHECK_FUNCS(mkstemp)
1360         AC_CHECK_FUNCS(mmap)
1361         AC_CHECK_FUNCS(madvise)
1362         AC_CHECK_FUNCS(getrusage)
1363         AC_CHECK_FUNCS(getpriority)
1364         AC_CHECK_FUNCS(setpriority)
1365         AC_CHECK_FUNCS(dl_iterate_phdr)
1366         AC_CHECK_FUNCS(dladdr)
1367         AC_CHECK_FUNCS(sysconf)
1368         AC_CHECK_FUNCS(getrlimit)
1369         AC_CHECK_FUNCS(prctl)
1370
1371         AC_CHECK_FUNCS(sched_getaffinity)
1372         AC_CHECK_FUNCS(sched_setaffinity)
1373         AC_CHECK_FUNCS(sched_getcpu)
1374
1375         dnl ****************************************************************
1376         dnl *** Check for sched_setaffinity from glibc versions before   ***
1377         dnl *** 2.3.4. The older versions of the function only take 2    ***
1378         dnl *** parameters, not 3.                                       ***
1379         dnl ***                                                          ***
1380         dnl *** Because the interface change was not made in a minor     ***
1381         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1382         dnl *** won't always indicate the interface sched_affinity has.  ***
1383         dnl ****************************************************************
1384         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1385         AC_TRY_COMPILE([#include <sched.h>], [
1386             int mask = 1;
1387             sched_setaffinity(0, &mask);
1388                         return 0;
1389         ], [
1390                 # Yes, we have it...
1391                 AC_MSG_RESULT(yes)
1392                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1393         ], [
1394                 # We have the new, three-parameter version
1395                 AC_MSG_RESULT(no)
1396         ])
1397
1398
1399         dnl ******************************************************************
1400         dnl *** Check for large file support                               ***
1401         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1402         dnl ******************************************************************
1403
1404         # Check that off_t can represent 2**63 - 1 correctly, working around
1405         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1406         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1407         large_offt=no
1408         AC_DEFUN([LARGE_FILES], [
1409                 large_CPPFLAGS=$CPPFLAGS
1410                 CPPFLAGS="$CPPFLAGS $1"
1411                 AC_TRY_COMPILE([
1412                         #include <sys/types.h>
1413                         #include <limits.h>
1414                 ], [
1415                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1416                         #define COMPILE_TIME_ASSERT(pred) \
1417                                 switch(0){case 0:case pred:;}
1418                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1419                 ], [
1420                         AC_MSG_RESULT(ok)
1421                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1422                         large_CPPFLAGS="$large_CPPFLAGS $1"
1423                         large_offt=yes
1424                 ], [
1425                         AC_MSG_RESULT(no)
1426                 ])
1427                 CPPFLAGS=$large_CPPFLAGS
1428         ])
1429
1430         AC_MSG_CHECKING(if off_t is 64 bits wide)
1431         LARGE_FILES("")
1432         if test $large_offt = no; then
1433                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1434                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1435         fi
1436         if test $large_offt = no; then
1437                 AC_MSG_WARN([No 64 bit file size support available])
1438         fi
1439
1440         dnl *****************************
1441         dnl *** Checks for libsocket  ***
1442         dnl *****************************
1443         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1444
1445         case "$host" in
1446                 *-*-*freebsd*)
1447                         dnl *****************************
1448                         dnl *** Checks for libinotify ***
1449                         dnl *****************************
1450                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1451         esac
1452
1453         dnl *******************************
1454         dnl *** Checks for MSG_NOSIGNAL ***
1455         dnl *******************************
1456         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1457         AC_TRY_COMPILE([#include <sys/socket.h>], [
1458                 int f = MSG_NOSIGNAL;
1459         ], [
1460                 # Yes, we have it...
1461                 AC_MSG_RESULT(yes)
1462                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1463         ], [
1464                 # We'll have to use signals
1465                 AC_MSG_RESULT(no)
1466         ])
1467
1468         dnl *****************************
1469         dnl *** Checks for IPPROTO_IP ***
1470         dnl *****************************
1471         AC_MSG_CHECKING(for IPPROTO_IP)
1472         AC_TRY_COMPILE([#include <netinet/in.h>], [
1473                 int level = IPPROTO_IP;
1474         ], [
1475                 # Yes, we have it...
1476                 AC_MSG_RESULT(yes)
1477                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1478         ], [
1479                 # We'll have to use getprotobyname
1480                 AC_MSG_RESULT(no)
1481         ])
1482
1483         dnl *******************************
1484         dnl *** Checks for IPPROTO_IPV6 ***
1485         dnl *******************************
1486         AC_MSG_CHECKING(for IPPROTO_IPV6)
1487         AC_TRY_COMPILE([#include <netinet/in.h>], [
1488                 int level = IPPROTO_IPV6;
1489         ], [
1490                 # Yes, we have it...
1491                 AC_MSG_RESULT(yes)
1492                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1493         ], [
1494                 # We'll have to use getprotobyname
1495                 AC_MSG_RESULT(no)
1496         ])
1497
1498         dnl ******************************
1499         dnl *** Checks for IPPROTO_TCP ***
1500         dnl ******************************
1501         AC_MSG_CHECKING(for IPPROTO_TCP)
1502         AC_TRY_COMPILE([#include <netinet/in.h>], [
1503                 int level = IPPROTO_TCP;
1504         ], [
1505                 # Yes, we have it...
1506                 AC_MSG_RESULT(yes)
1507                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1508         ], [
1509                 # We'll have to use getprotobyname
1510                 AC_MSG_RESULT(no)
1511         ])
1512
1513         dnl *****************************
1514         dnl *** Checks for SOL_IP     ***
1515         dnl *****************************
1516         AC_MSG_CHECKING(for SOL_IP)
1517         AC_TRY_COMPILE([#include <netdb.h>], [
1518                 int level = SOL_IP;
1519         ], [
1520                 # Yes, we have it...
1521                 AC_MSG_RESULT(yes)
1522                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1523         ], [
1524                 # We'll have to use getprotobyname
1525                 AC_MSG_RESULT(no)
1526         ])
1527
1528         dnl *****************************
1529         dnl *** Checks for SOL_IPV6     ***
1530         dnl *****************************
1531         AC_MSG_CHECKING(for SOL_IPV6)
1532         AC_TRY_COMPILE([#include <netdb.h>], [
1533                 int level = SOL_IPV6;
1534         ], [
1535                 # Yes, we have it...
1536                 AC_MSG_RESULT(yes)
1537                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1538         ], [
1539                 # We'll have to use getprotobyname
1540                 AC_MSG_RESULT(no)
1541         ])
1542
1543         dnl *****************************
1544         dnl *** Checks for SOL_TCP    ***
1545         dnl *****************************
1546         AC_MSG_CHECKING(for SOL_TCP)
1547         AC_TRY_COMPILE([#include <netdb.h>], [
1548                 int level = SOL_TCP;
1549         ], [
1550                 # Yes, we have it...
1551                 AC_MSG_RESULT(yes)
1552                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1553         ], [
1554                 # We'll have to use getprotobyname
1555                 AC_MSG_RESULT(no)
1556         ])
1557
1558         dnl *****************************
1559         dnl *** Checks for IP_PKTINFO ***
1560         dnl *****************************
1561         AC_MSG_CHECKING(for IP_PKTINFO)
1562         AC_TRY_COMPILE([#include <linux/in.h>], [
1563                 int level = IP_PKTINFO;
1564         ], [
1565                 # Yes, we have it...
1566                 AC_MSG_RESULT(yes)
1567                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1568         ], [
1569                 AC_MSG_RESULT(no)
1570         ])
1571
1572         dnl *****************************
1573         dnl *** Checks for IPV6_PKTINFO ***
1574         dnl *****************************
1575         AC_MSG_CHECKING(for IPV6_PKTINFO)
1576         AC_TRY_COMPILE([#include <netdb.h>], [
1577                 int level = IPV6_PKTINFO;
1578         ], [
1579                 # Yes, we have it...
1580                 AC_MSG_RESULT(yes)
1581                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1582         ], [
1583                 AC_MSG_RESULT(no)
1584         ])
1585
1586         dnl **********************************
1587         dnl *** Checks for IP_DONTFRAG     ***
1588         dnl **********************************
1589         AC_MSG_CHECKING(for IP_DONTFRAG)
1590         AC_TRY_COMPILE([#include <netinet/in.h>], [
1591                 int level = IP_DONTFRAG;
1592         ], [
1593                 # Yes, we have it...
1594                 AC_MSG_RESULT(yes)
1595                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1596         ], [
1597                 AC_MSG_RESULT(no)
1598         ])
1599
1600         dnl **********************************
1601         dnl *** Checks for IP_DONTFRAGMENT ***
1602         dnl **********************************
1603         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1604         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1605                 int level = IP_DONTFRAGMENT;
1606         ], [
1607                 # Yes, we have it...
1608                 AC_MSG_RESULT(yes)
1609                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1610         ], [
1611                 AC_MSG_RESULT(no)
1612         ])
1613
1614         dnl **********************************
1615         dnl *** Checks for IP_MTU_DISCOVER ***
1616         dnl **********************************
1617         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1618         AC_TRY_COMPILE([#include <linux/in.h>], [
1619                 int level = IP_MTU_DISCOVER;
1620         ], [
1621                 # Yes, we have it...
1622                 AC_MSG_RESULT(yes)
1623                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1624         ], [
1625                 AC_MSG_RESULT(no)
1626         ])
1627
1628         dnl **********************************
1629         dnl *** Checks for  IP_PMTUDISC_DO ***
1630         dnl **********************************
1631         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1632         AC_TRY_COMPILE([#include <linux/in.h>], [
1633                 int level = IP_PMTUDISC_DO;
1634         ], [
1635                 # Yes, we have it...
1636                 AC_MSG_RESULT(yes)
1637                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1638         ], [
1639                 AC_MSG_RESULT(no)
1640         ])
1641
1642         dnl *********************************
1643         dnl *** Check for struct ip_mreqn ***
1644         dnl *********************************
1645         AC_MSG_CHECKING(for struct ip_mreqn)
1646         AC_TRY_COMPILE([#include <netinet/in.h>], [
1647                 struct ip_mreqn mreq;
1648                 mreq.imr_address.s_addr = 0;
1649         ], [
1650                 # Yes, we have it...
1651                 AC_MSG_RESULT(yes)
1652                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1653         ], [
1654                 # We'll just have to try and use struct ip_mreq
1655                 AC_MSG_RESULT(no)
1656                 AC_MSG_CHECKING(for struct ip_mreq)
1657                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1658                         struct ip_mreq mreq;
1659                         mreq.imr_interface.s_addr = 0;
1660                 ], [
1661                         # Yes, we have it...
1662                         AC_MSG_RESULT(yes)
1663                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1664                 ], [
1665                         # No multicast support
1666                         AC_MSG_RESULT(no)
1667                 ])
1668         ])
1669
1670         dnl **********************************
1671         dnl *** Check for getaddrinfo ***
1672         dnl **********************************
1673         AC_MSG_CHECKING(for getaddrinfo)
1674                 AC_TRY_LINK([
1675                 #include <stdio.h>
1676                 #include <netdb.h>
1677         ], [
1678                 getaddrinfo(NULL,NULL,NULL,NULL);
1679         ], [
1680                 # Yes, we have it...
1681                 AC_MSG_RESULT(yes)
1682                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1683         ], [
1684                 AC_MSG_RESULT(no)
1685         ])
1686
1687         dnl **********************************
1688         dnl *** Check for gethostbyname2_r ***
1689         dnl **********************************
1690         AC_MSG_CHECKING(for gethostbyname2_r)
1691                 AC_TRY_LINK([
1692                 #include <stdio.h>
1693                 #include <netdb.h>
1694         ], [
1695
1696                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1697         ], [
1698                 # Yes, we have it...
1699                 AC_MSG_RESULT(yes)
1700                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1701         ], [
1702                 AC_MSG_RESULT(no)
1703         ])
1704
1705         dnl **********************************
1706         dnl *** Check for gethostbyname2 ***
1707         dnl **********************************
1708         AC_MSG_CHECKING(for gethostbyname2)
1709                 AC_TRY_LINK([
1710                 #include <stdio.h>
1711                 #include <netdb.h>
1712         ], [
1713                 gethostbyname2(NULL,0);
1714         ], [
1715                 # Yes, we have it...
1716                 AC_MSG_RESULT(yes)
1717                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1718         ], [
1719                 AC_MSG_RESULT(no)
1720         ])
1721
1722         dnl **********************************
1723         dnl *** Check for gethostbyname ***
1724         dnl **********************************
1725         AC_MSG_CHECKING(for gethostbyname)
1726                 AC_TRY_LINK([
1727                 #include <stdio.h>
1728                 #include <netdb.h>
1729         ], [
1730                 gethostbyname(NULL);
1731         ], [
1732                 # Yes, we have it...
1733                 AC_MSG_RESULT(yes)
1734                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1735         ], [
1736                 AC_MSG_RESULT(no)
1737         ])
1738
1739         dnl **********************************
1740         dnl *** Check for getprotobyname ***
1741         dnl **********************************
1742         AC_MSG_CHECKING(for getprotobyname)
1743                 AC_TRY_LINK([
1744                 #include <stdio.h>
1745                 #include <netdb.h>
1746         ], [
1747                 getprotobyname(NULL);
1748         ], [
1749                 # Yes, we have it...
1750                 AC_MSG_RESULT(yes)
1751                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1752         ], [
1753                 AC_MSG_RESULT(no)
1754         ])
1755
1756         dnl **********************************
1757         dnl *** Check for getnameinfo ***
1758         dnl **********************************
1759         AC_MSG_CHECKING(for getnameinfo)
1760                 AC_TRY_LINK([
1761                 #include <stdio.h>
1762                 #include <netdb.h>
1763         ], [
1764                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1765         ], [
1766                 # Yes, we have it...
1767                 AC_MSG_RESULT(yes)
1768                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1769         ], [
1770                 AC_MSG_RESULT(no)
1771         ])
1772
1773
1774         dnl **********************************
1775         dnl *** Check for inet_ntop ***
1776         dnl **********************************
1777         AC_MSG_CHECKING(for inet_ntop)
1778                 AC_TRY_LINK([
1779                 #include <stdio.h>
1780                 #include <arpa/inet.h>
1781         ], [
1782                 inet_ntop (0, NULL, NULL, 0);
1783         ], [
1784                 # Yes, we have it...
1785                 AC_MSG_RESULT(yes)
1786                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1787         ], [
1788                 AC_MSG_RESULT(no)
1789         ])
1790
1791         dnl *****************************
1792         dnl *** Checks for libnsl     ***
1793         dnl *****************************
1794         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1795
1796         AC_CHECK_FUNCS(inet_pton inet_aton)
1797
1798         dnl *****************************
1799         dnl *** Checks for libxnet    ***
1800         dnl *****************************
1801         case "${host}" in
1802                 *solaris* )
1803                         AC_MSG_CHECKING(for Solaris XPG4 support)
1804                         if test -f /usr/lib/libxnet.so; then
1805                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1806                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1807                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1808                                 LIBS="$LIBS -lxnet"
1809                                 AC_MSG_RESULT(yes)
1810                         else
1811                                 AC_MSG_RESULT(no)
1812                         fi
1813
1814                         if test "$GCC" = "yes"; then
1815                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1816                         fi
1817                 ;;
1818         esac
1819
1820         dnl *****************************
1821         dnl *** Checks for libpthread ***
1822         dnl *****************************
1823 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1824 # and libpthread does not exist
1825 #
1826         case "${host}" in
1827                 *-*-*freebsd*)
1828                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1829                 ;;
1830                 *-*-*openbsd*)
1831                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1832                 ;;
1833                 *)
1834                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1835                 ;;
1836         esac
1837         AC_CHECK_HEADERS(pthread.h)
1838         AC_CHECK_HEADERS(pthread_np.h)
1839         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1840         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1841         AC_CHECK_FUNCS(pthread_kill)
1842         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1843         AC_TRY_COMPILE([ #include <pthread.h>], [
1844                 pthread_mutexattr_t attr;
1845                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1846         ], [
1847                 AC_MSG_RESULT(ok)
1848         ], [
1849                 AC_MSG_RESULT(no)
1850                 AC_ERROR(Posix system lacks support for recursive mutexes)
1851         ])
1852         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1853         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1854         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1855
1856         dnl **********************************
1857         dnl *** Check for mincore ***
1858         dnl **********************************
1859         AC_MSG_CHECKING(for mincore)
1860                 AC_TRY_LINK([
1861                 #include <stdio.h>
1862                 #include <sys/types.h>
1863                 #include <sys/mman.h>
1864         ], [
1865                 mincore(NULL, 0, NULL);
1866         ], [
1867                 # Yes, we have it...
1868                 AC_MSG_RESULT(yes)
1869                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1870         ], [
1871                 AC_MSG_RESULT(no)
1872         ])
1873
1874         dnl ***********************************
1875         dnl *** Checks for working __thread ***
1876         dnl ***********************************
1877         AC_MSG_CHECKING(for working __thread)
1878         if test "x$with_tls" != "x__thread"; then
1879                 AC_MSG_RESULT(disabled)
1880         elif test "x$cross_compiling" = "xyes"; then
1881                 AC_MSG_RESULT(cross compiling, assuming yes)
1882         else
1883                 AC_TRY_RUN([
1884                         #if defined(__APPLE__) && defined(__clang__)
1885                         #error "__thread does not currently work with clang on Mac OS X"
1886                         #endif
1887
1888                         #include <pthread.h>
1889                         __thread int i;
1890                         static int res1, res2;
1891
1892                         void thread_main (void *arg)
1893                         {
1894                                 i = arg;
1895                                 sleep (1);
1896                                 if (arg == 1)
1897                                         res1 = (i == arg);
1898                                 else
1899                                         res2 = (i == arg);
1900                         }
1901
1902                         int main () {
1903                                 pthread_t t1, t2;
1904
1905                                 i = 5;
1906
1907                                 pthread_create (&t1, NULL, thread_main, 1);
1908                                 pthread_create (&t2, NULL, thread_main, 2);
1909
1910                                 pthread_join (t1, NULL);
1911                                 pthread_join (t2, NULL);
1912
1913                                 return !(res1 + res2 == 2);
1914                         }
1915                 ], [
1916                                 AC_MSG_RESULT(yes)
1917                 ], [
1918                                 AC_MSG_RESULT(no)
1919                                 with_tls=pthread
1920                 ])
1921         fi
1922
1923         dnl **************************************
1924         dnl *** Checks for working sigaltstack ***
1925         dnl **************************************
1926         AC_MSG_CHECKING(for working sigaltstack)
1927         if test "x$with_sigaltstack" != "xyes"; then
1928                 AC_MSG_RESULT(disabled)
1929         elif test "x$cross_compiling" = "xyes"; then
1930                 AC_MSG_RESULT(cross compiling, assuming yes)
1931         else
1932                 AC_TRY_RUN([
1933                         #include <stdio.h>
1934                         #include <stdlib.h>
1935                         #include <unistd.h>
1936                         #include <signal.h>
1937                         #include <pthread.h>
1938                         #include <sys/wait.h>
1939                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1940                         #define SA_STACK SA_ONSTACK
1941                         #endif
1942                         static void
1943                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1944                         {
1945                                 exit (0);
1946                         }
1947
1948                         volatile char*__ptr = NULL;
1949                         static void *
1950                         loop (void *ignored)
1951                         {
1952                                 *__ptr = 0;
1953                                 return NULL;
1954                         }
1955
1956                         static void
1957                         child ()
1958                         {
1959                                 struct sigaction sa;
1960                         #ifdef __APPLE__
1961                                 stack_t sas;
1962                         #else
1963                                 struct sigaltstack sas;
1964                         #endif
1965                                 pthread_t id;
1966                                 pthread_attr_t attr;
1967
1968                                 sa.sa_sigaction = sigsegv_signal_handler;
1969                                 sigemptyset (&sa.sa_mask);
1970                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1971                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1972                                         perror ("sigaction");
1973                                         return;
1974                                 }
1975
1976                                 /* x86 darwin deliver segfaults using SIGBUS */
1977                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1978                                         perror ("sigaction");
1979                                         return;
1980                                 }
1981                                 sas.ss_sp = malloc (SIGSTKSZ);
1982                                 sas.ss_size = SIGSTKSZ;
1983                                 sas.ss_flags = 0;
1984                                 if (sigaltstack (&sas, NULL) == -1) {
1985                                         perror ("sigaltstack");
1986                                         return;
1987                                 }
1988
1989                                 pthread_attr_init (&attr);
1990                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1991                                         printf ("pthread_create\n");
1992                                         return;
1993                                 }
1994
1995                                 sleep (100);
1996                         }
1997
1998                         int
1999                         main ()
2000                         {
2001                                 pid_t son;
2002                                 int status;
2003                                 int i;
2004
2005                                 son = fork ();
2006                                 if (son == -1) {
2007                                         return 1;
2008                                 }
2009
2010                                 if (son == 0) {
2011                                         child ();
2012                                         return 0;
2013                                 }
2014
2015                                 for (i = 0; i < 300; ++i) {
2016                                         waitpid (son, &status, WNOHANG);
2017                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2018                                                 return 0;
2019                                         usleep (10000);
2020                                 }
2021
2022                                 kill (son, SIGKILL);
2023                                 return 1;
2024                         }
2025
2026                 ], [
2027                                 AC_MSG_RESULT(yes)
2028                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2029                 ], [
2030                                 with_sigaltstack=no
2031                                 AC_MSG_RESULT(no)
2032                 ])
2033         fi
2034
2035         dnl ********************************
2036         dnl *** Checks for semaphore lib ***
2037         dnl ********************************
2038         # 'Real Time' functions on Solaris
2039         # posix4 on Solaris 2.6
2040         # pthread (first!) on Linux
2041         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2042
2043         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2044         AC_CHECK_FUNCS(shm_open)
2045
2046         dnl ********************************
2047         dnl *** Checks for timezone stuff **
2048         dnl ********************************
2049         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2050                 AC_TRY_COMPILE([
2051                         #include <time.h>
2052                         ], [
2053                         struct tm tm;
2054                         tm.tm_gmtoff = 1;
2055                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2056         if test $ac_cv_struct_tm_gmtoff = yes; then
2057                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2058         else
2059                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2060                         AC_TRY_COMPILE([
2061                                 #include <time.h>
2062                         ], [
2063                                 timezone = 1;
2064                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2065                 if test $ac_cv_var_timezone = yes; then
2066                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2067                 else
2068                         AC_ERROR(unable to find a way to determine timezone)
2069                 fi
2070         fi
2071
2072         dnl *********************************
2073         dnl *** Checks for math functions ***
2074         dnl *********************************
2075         AC_SEARCH_LIBS(sqrtf, m)
2076         if test "x$has_broken_apple_cpp" != "xyes"; then
2077                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2078                         AC_TRY_LINK([#include <math.h>],
2079                         [ finite(0.0); ],
2080                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2081                         AC_MSG_RESULT(no)))
2082         fi
2083         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2084                 AC_TRY_LINK([#include <math.h>],
2085                 [ isfinite(0.0); ],
2086                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2087                 AC_MSG_RESULT(no)))
2088
2089         dnl ****************************************************************
2090         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2091         dnl *** have it in the library (duh))                            ***
2092         dnl ****************************************************************
2093         AC_CHECK_FUNCS(poll)
2094
2095         dnl *************************
2096         dnl *** Check for signbit ***
2097         dnl *************************
2098         AC_MSG_CHECKING(for signbit)
2099         AC_TRY_LINK([#include <math.h>], [
2100                 int s = signbit(1.0);
2101         ], [
2102                 AC_MSG_RESULT(yes)
2103                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2104         ], [
2105                 AC_MSG_RESULT(no)
2106         ])
2107
2108         dnl **********************************
2109         dnl *** epoll                      ***
2110         dnl **********************************
2111         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2112                 AC_CHECK_HEADERS(sys/epoll.h)
2113                 haveepoll=no
2114                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2115                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2116                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2117                 fi
2118         fi
2119
2120         havekqueue=no
2121
2122         AC_CHECK_HEADERS(sys/event.h)
2123         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2124
2125         dnl **************************************
2126         dnl * Darwin has a race that prevents us from using reliably:
2127         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2128         dnl * Since kqueue is mostly used for scaling large web servers,
2129         dnl * and very few folks run Mono on large web servers on OSX, falling
2130         dnl * back
2131         dnl **************************************
2132         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2133                 if test "x$host_darwin" = "xno"; then
2134                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2135                 fi
2136         fi
2137
2138         dnl ******************************
2139         dnl *** Checks for SIOCGIFCONF ***
2140         dnl ******************************
2141         AC_CHECK_HEADERS(sys/ioctl.h)
2142         AC_CHECK_HEADERS(net/if.h, [], [],
2143            [
2144            #ifdef HAVE_SYS_TYPES_H
2145            # include <sys/types.h>
2146            #endif
2147            #ifdef HAVE_SYS_SOCKET_H
2148            # include <sys/socket.h>
2149            #endif
2150            ])
2151         AC_MSG_CHECKING(for ifreq)
2152         AC_TRY_COMPILE([
2153                 #include <stdio.h>
2154                 #include <sys/ioctl.h>
2155                 #include <net/if.h>
2156                 ], [
2157                 struct ifconf ifc;
2158                 struct ifreq *ifr;
2159                 void *x;
2160                 ifc.ifc_len = 0;
2161                 ifc.ifc_buf = NULL;
2162                 x = (void *) &ifr->ifr_addr;
2163                 ],[
2164                         AC_MSG_RESULT(yes)
2165                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2166                 ], [
2167                         AC_MSG_RESULT(no)
2168                 ])
2169         dnl **********************************
2170         dnl ***     Checks for sin_len     ***
2171         dnl **********************************
2172         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2173         AC_TRY_COMPILE([
2174                 #include <netinet/in.h>
2175                 ], [
2176                 struct sockaddr_in saddr;
2177                 saddr.sin_len = sizeof (saddr);
2178                 ],[
2179                         AC_MSG_RESULT(yes)
2180                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2181                 ], [
2182                         AC_MSG_RESULT(no)
2183                 ])
2184         dnl **********************************
2185         dnl ***    Checks for sin6_len     ***
2186         dnl **********************************
2187         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2188         AC_TRY_COMPILE([
2189                 #include <netinet/in.h>
2190                 ], [
2191                 struct sockaddr_in6 saddr6;
2192                 saddr6.sin6_len = sizeof (saddr6);
2193                 ],[
2194                         AC_MSG_RESULT(yes)
2195                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2196                 ], [
2197                         AC_MSG_RESULT(no)
2198                 ])
2199         dnl **********************************
2200         dnl *** Check for getifaddrs       ***
2201         dnl **********************************
2202         AC_MSG_CHECKING(for getifaddrs)
2203                 AC_TRY_LINK([
2204                 #include <stdio.h>
2205                 #include <sys/types.h>
2206                 #include <sys/socket.h>
2207                 #include <ifaddrs.h>
2208         ], [
2209                 getifaddrs(NULL);
2210         ], [
2211                 # Yes, we have it...
2212                 AC_MSG_RESULT(yes)
2213                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2214         ], [
2215                 AC_MSG_RESULT(no)
2216         ])
2217         dnl **********************************
2218         dnl *** Check for if_nametoindex   ***
2219         dnl **********************************
2220         AC_MSG_CHECKING(for if_nametoindex)
2221                 AC_TRY_LINK([
2222                 #include <stdio.h>
2223                 #include <sys/types.h>
2224                 #include <sys/socket.h>
2225                 #include <net/if.h>
2226         ], [
2227                 if_nametoindex(NULL);
2228         ], [
2229                 # Yes, we have it...
2230                 AC_MSG_RESULT(yes)
2231                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2232         ], [
2233                 AC_MSG_RESULT(no)
2234         ])
2235
2236         dnl **********************************
2237         dnl *** Checks for MonoPosixHelper ***
2238         dnl **********************************
2239         AC_CHECK_HEADERS(checklist.h)
2240         AC_CHECK_HEADERS(pathconf.h)
2241         AC_CHECK_HEADERS(fstab.h)
2242         AC_CHECK_HEADERS(attr/xattr.h)
2243         AC_CHECK_HEADERS(sys/extattr.h)
2244         AC_CHECK_HEADERS(sys/sendfile.h)
2245         AC_CHECK_HEADERS(sys/statvfs.h)
2246         AC_CHECK_HEADERS(sys/statfs.h)
2247         AC_CHECK_HEADERS(sys/vfstab.h)
2248         AC_CHECK_HEADERS(sys/xattr.h)
2249         AC_CHECK_HEADERS(sys/mman.h)
2250         AC_CHECK_HEADERS(sys/param.h)
2251         AC_CHECK_HEADERS(sys/mount.h, [], [],
2252                 [
2253                 #ifdef HAVE_SYS_PARAM_H
2254                 # include <sys/param.h>
2255                 #endif
2256                 ])
2257         AC_CHECK_HEADERS(sys/mount.h)
2258         AC_CHECK_FUNCS(confstr)
2259         AC_CHECK_FUNCS(seekdir telldir)
2260         AC_CHECK_FUNCS(getdomainname)
2261         AC_CHECK_FUNCS(setdomainname)
2262         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2263         AC_CHECK_FUNCS(setgroups)
2264         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2265         AC_CHECK_FUNCS(getfsstat)
2266         AC_CHECK_FUNCS(lutimes futimes)
2267         AC_CHECK_FUNCS(mremap)
2268         AC_CHECK_FUNCS(remap_file_pages)
2269         AC_CHECK_FUNCS(posix_fadvise)
2270         AC_CHECK_FUNCS(posix_fallocate)
2271         AC_CHECK_FUNCS(posix_madvise)
2272         AC_CHECK_FUNCS(vsnprintf)
2273         AC_CHECK_FUNCS(sendfile)
2274         AC_CHECK_FUNCS(gethostid sethostid)
2275         AC_CHECK_FUNCS(sethostname)
2276         AC_CHECK_FUNCS(statfs)
2277         AC_CHECK_FUNCS(fstatfs)
2278         AC_CHECK_FUNCS(statvfs)
2279         AC_CHECK_FUNCS(fstatvfs)
2280         AC_CHECK_FUNCS(stime)
2281         AC_CHECK_FUNCS(strerror_r)
2282         AC_CHECK_FUNCS(ttyname_r)
2283         AC_CHECK_FUNCS(psignal)
2284         AC_CHECK_FUNCS(getlogin_r)
2285         AC_CHECK_FUNCS(lockf)
2286         AC_CHECK_FUNCS(swab)
2287         AC_CHECK_FUNCS(setusershell endusershell)
2288         AC_CHECK_FUNCS(futimens utimensat)
2289         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2290         AC_CHECK_FUNCS(readv writev preadv pwritev)
2291         AC_CHECK_FUNCS(setpgid)
2292         AC_CHECK_FUNCS(system)
2293         AC_CHECK_FUNCS(fork execv execve)
2294         AC_CHECK_FUNCS(accept4)
2295         AC_CHECK_SIZEOF(size_t)
2296         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2297                 [#include <sys/types.h>
2298                  #include <sys/stat.h>
2299                  #include <unistd.h>])
2300         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2301                 [#include <sys/types.h>
2302                  #include <sys/stat.h>
2303                  #include <unistd.h>])
2304         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2305                 [#include <sys/time.h>])
2306         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2307                 [#include <sys/socket.h>])
2308         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2309                 [#include <unistd.h>
2310                  #include <fcntl.h>])
2311         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2312                 [#include <sys/uio.h>])
2313         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2314                 [#include <sys/socket.h>])
2315         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2316                 [#include <sys/poll.h>])
2317         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2318                 [#include <sys/socket.h>])
2319         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2320                 [#include <sys/socket.h>])
2321         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2322                 [#include <netinet/in.h>])
2323         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2324                 [#include <netinet/in.h>])
2325         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2326                 [#include <sys/un.h>])
2327         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2328                 [#include <sys/types.h>
2329                  #include <sys/stat.h>
2330                  #include <unistd.h>])
2331         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2332                 [#include <time.h>])
2333         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2334                 [#include <sys/time.h>
2335                  #include <sys/types.h>
2336                  #include <utime.h>])
2337         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2338                 [#include <sys/time.h>])
2339         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2340                 [#include <sys/types.h>
2341                  #include <utime.h>])
2342         AC_CHECK_MEMBERS(
2343                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2344                 [#include <sys/types.h>
2345                  #include <dirent.h>])
2346         AC_CHECK_MEMBERS(
2347                 [struct passwd.pw_gecos],,,
2348                 [#include <sys/types.h>
2349                  #include <pwd.h>])
2350         AC_CHECK_MEMBERS(
2351                 [struct statfs.f_flags],,,
2352                 [#include <sys/types.h>
2353                  #include <sys/vfs.h>])
2354         AC_CHECK_MEMBERS(
2355                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2356                 [#include <sys/types.h>
2357                  #include <sys/stat.h>
2358                  #include <unistd.h>])
2359
2360         dnl Favour xattr through glibc, but use libattr if we have to
2361         AC_CHECK_FUNC(lsetxattr, ,
2362                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2363         )
2364         AC_SUBST(XATTR_LIB)
2365
2366         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2367         AC_CHECK_MEMBERS(
2368                 [struct kinfo_proc.kp_proc],,,
2369                 [#include <sys/types.h>
2370                  #include <sys/param.h>
2371                  #include <sys/sysctl.h>
2372                  #include <sys/proc.h>
2373                  ])
2374
2375         dnl *********************************
2376         dnl *** Checks for Windows compilation ***
2377         dnl *********************************
2378         AC_CHECK_HEADERS(sys/time.h)
2379         AC_CHECK_HEADERS(sys/param.h)
2380         AC_CHECK_HEADERS(dirent.h)
2381
2382         dnl ******************************************
2383         dnl *** Checks for OSX and iOS compilation ***
2384         dnl ******************************************
2385         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2386
2387         dnl *********************************
2388         dnl *** Check for Console 2.0 I/O ***
2389         dnl *********************************
2390         AC_CHECK_HEADERS([curses.h])
2391         AC_CHECK_HEADERS([term.h], [], [],
2392         [#if HAVE_CURSES_H
2393          #include <curses.h>
2394          #endif
2395         ])
2396         AC_CHECK_HEADERS([termios.h])
2397 else
2398         dnl *********************************
2399         dnl *** Checks for Windows compilation ***
2400         dnl *********************************
2401         AC_CHECK_HEADERS(winternl.h)
2402
2403         jdk_headers_found=no
2404         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2405         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2406         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2407         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2408         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2409         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2410         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2411
2412         dnl *********************************
2413         dnl *** Check for struct ip_mreqn ***
2414         dnl *********************************
2415         AC_MSG_CHECKING(for struct ip_mreqn)
2416         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2417                 struct ip_mreqn mreq;
2418                 mreq.imr_address.s_addr = 0;
2419         ], [
2420                 # Yes, we have it...
2421                 AC_MSG_RESULT(yes)
2422                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2423         ], [
2424                 # We'll just have to try and use struct ip_mreq
2425                 AC_MSG_RESULT(no)
2426                 AC_MSG_CHECKING(for struct ip_mreq)
2427                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2428                         struct ip_mreq mreq;
2429                         mreq.imr_interface.s_addr = 0;
2430                 ], [
2431                         # Yes, we have it...
2432                         AC_MSG_RESULT(yes)
2433                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2434                 ], [
2435                         # No multicast support
2436                         AC_MSG_RESULT(no)
2437                 ])
2438         ])
2439
2440         dnl **********************************
2441         dnl *** Check for getaddrinfo ***
2442         dnl **********************************
2443         AC_MSG_CHECKING(for getaddrinfo)
2444                 AC_TRY_LINK([
2445                 #include <stdio.h>
2446                 #include <winsock2.h>
2447                 #include <ws2tcpip.h>
2448         ], [
2449                 getaddrinfo(NULL,NULL,NULL,NULL);
2450         ], [
2451                 # Yes, we have it...
2452                 AC_MSG_RESULT(yes)
2453                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2454         ], [
2455                 AC_MSG_RESULT(no)
2456         ])
2457
2458         dnl **********************************
2459         dnl *** Check for gethostbyname ***
2460         dnl **********************************
2461         AC_MSG_CHECKING(for gethostbyname)
2462                 AC_TRY_LINK([
2463                 #include <stdio.h>
2464                 #include <winsock2.h>
2465                 #include <ws2tcpip.h>
2466         ], [
2467                 gethostbyname(NULL);
2468         ], [
2469                 # Yes, we have it...
2470                 AC_MSG_RESULT(yes)
2471                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2472         ], [
2473                 AC_MSG_RESULT(no)
2474         ])
2475
2476         dnl **********************************
2477         dnl *** Check for getprotobyname ***
2478         dnl **********************************
2479         AC_MSG_CHECKING(for getprotobyname)
2480                 AC_TRY_LINK([
2481                 #include <stdio.h>
2482                 #include <winsock2.h>
2483                 #include <ws2tcpip.h>
2484         ], [
2485                 getprotobyname(NULL);
2486         ], [
2487                 # Yes, we have it...
2488                 AC_MSG_RESULT(yes)
2489                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2490         ], [
2491                 AC_MSG_RESULT(no)
2492         ])
2493
2494         dnl **********************************
2495         dnl *** Check for getnameinfo ***
2496         dnl **********************************
2497         AC_MSG_CHECKING(for getnameinfo)
2498                 AC_TRY_LINK([
2499                 #include <stdio.h>
2500                 #include <winsock2.h>
2501                 #include <ws2tcpip.h>
2502         ], [
2503                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2504         ], [
2505                 # Yes, we have it...
2506                 AC_MSG_RESULT(yes)
2507                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2508         ], [
2509                 AC_MSG_RESULT(no)
2510         ])
2511
2512         dnl **********************************
2513         dnl *** Check for inet_ntop ***
2514         dnl **********************************
2515         AC_MSG_CHECKING(for inet_ntop)
2516                 AC_TRY_LINK([
2517                 #include <stdio.h>
2518                 #include <winsock2.h>
2519                 #include <ws2tcpip.h>
2520         ], [
2521                 inet_ntop (0, NULL, NULL, 0);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         dnl **********************************
2531         dnl *** Check for inet_pton ***
2532         dnl **********************************
2533         AC_MSG_CHECKING(for inet_pton)
2534                 AC_TRY_LINK([
2535                 #include <stdio.h>
2536                 #include <winsock2.h>
2537                 #include <ws2tcpip.h>
2538         ], [
2539                 #ifndef inet_pton
2540                 (void) inet_pton;
2541                 #endif
2542                 inet_pton (0, NULL, NULL);
2543         ], [
2544                 # Yes, we have it...
2545                 AC_MSG_RESULT(yes)
2546                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2547         ], [
2548                 AC_MSG_RESULT(no)
2549         ])
2550
2551         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2552         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2553         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2554         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2555         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2556         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2557         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2558 fi
2559
2560 dnl socklen_t check
2561 AC_MSG_CHECKING(for socklen_t)
2562 AC_TRY_COMPILE([
2563 #include <sys/types.h>
2564 #include <sys/socket.h>
2565 ],[
2566   socklen_t foo;
2567 ],[
2568 ac_cv_c_socklen_t=yes
2569         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2570         AC_MSG_RESULT(yes)
2571 ],[
2572         AC_MSG_RESULT(no)
2573 ])
2574
2575 AC_MSG_CHECKING(for array element initializer support)
2576 AC_TRY_COMPILE([#include <sys/socket.h>], [
2577         const int array[] = {[1] = 2,};
2578 ], [
2579         # Yes, we have it...
2580         AC_MSG_RESULT(yes)
2581         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2582 ], [
2583         # We'll have to use signals
2584         AC_MSG_RESULT(no)
2585 ])
2586
2587 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2588         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2589         AC_TRY_LINK([#include <math.h>],
2590         [ static void *p = &trunc; ],
2591         [
2592                 AC_DEFINE(HAVE_TRUNC)
2593                 AC_MSG_RESULT(yes)
2594                 ac_cv_trunc=yes
2595         ],
2596         AC_MSG_RESULT(no)))
2597
2598 if test "x$ac_cv_truncl" != "xyes"; then
2599    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2600 fi
2601
2602 AC_CHECK_FUNCS(execvp)
2603
2604 dnl ****************************
2605 dnl *** Look for /dev/random ***
2606 dnl ****************************
2607
2608 AC_MSG_CHECKING([if usage of random device is requested])
2609 AC_ARG_ENABLE(dev-random,
2610 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2611 try_dev_random=$enableval, try_dev_random=yes)
2612
2613 AC_MSG_RESULT($try_dev_random)
2614
2615 case "{$build}" in
2616     *-openbsd*)
2617     NAME_DEV_RANDOM="/dev/srandom"
2618     ;;
2619
2620 dnl Win32 does not have /dev/random, they have their own method...
2621
2622     *-mingw*|*-*-cygwin*)
2623     ac_cv_have_dev_random=no
2624     ;;
2625
2626 dnl Everywhere else, it's /dev/random
2627
2628     *)
2629     NAME_DEV_RANDOM="/dev/random"
2630     ;;
2631 esac
2632
2633 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2634
2635 dnl Now check if the device actually exists
2636
2637 if test "x$try_dev_random" = "xyes"; then
2638     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2639     [if test -r "$NAME_DEV_RANDOM" ; then
2640         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2641     if test "x$ac_cv_have_dev_random" = "xyes"; then
2642         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2643     fi
2644 else
2645     AC_MSG_CHECKING(for random device)
2646     ac_cv_have_dev_random=no
2647     AC_MSG_RESULT(has been disabled)
2648 fi
2649
2650 if test "x$host_win32" = "xyes"; then
2651     AC_DEFINE(HAVE_CRYPT_RNG)
2652 fi
2653
2654 if test "x$ac_cv_have_dev_random" = "xno" \
2655     && test "x$host_win32" = "xno"; then
2656     AC_MSG_WARN([[
2657 ***
2658 *** A system-provided entropy source was not found on this system.
2659 *** Because of this, the System.Security.Cryptography random number generator
2660 *** will throw a NotImplemented exception.
2661 ***
2662 *** If you are seeing this message, and you know your system DOES have an
2663 *** entropy collection in place, please contact <crichton@gimp.org> and
2664 *** provide information about the system and how to access the random device.
2665 ***
2666 *** Otherwise you can install either egd or prngd and set the environment
2667 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2668 ***]])
2669 fi
2670
2671 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2672
2673 AC_MSG_CHECKING([if big-arrays are to be enabled])
2674 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2675 if test "x$enable_big_arrays" = "xyes" ; then
2676     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2677         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2678     else
2679         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2680     fi
2681 fi
2682 AC_MSG_RESULT($enable_big_arrays)
2683
2684 dnl **************
2685 dnl *** DTRACE ***
2686 dnl **************
2687
2688 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2689
2690 if test "x$enable_dtrace" = "xyes"; then
2691    if test "x$has_dtrace" = "xno"; then
2692           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2693    fi
2694    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2695    if test "x$DTRACE" = "xno"; then
2696           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2697           enable_dtrace=no
2698    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2699           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2700           enable_dtrace=no
2701    fi
2702 fi
2703
2704 dtrace_g=no
2705 if test "x$enable_dtrace" = "xyes"; then
2706         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2707         DTRACEFLAGS=
2708         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2709                 case "$host" in
2710                         powerpc-*-darwin*)
2711                         DTRACEFLAGS="-arch ppc64"
2712                         ;;
2713                         i*86-*-darwin*)
2714                         DTRACEFLAGS="-arch x86_64"
2715                         ;;
2716                         *)
2717                         DTRACEFLAGS=-64
2718                         ;;
2719                 esac
2720         else
2721                 case "$host" in
2722                         powerpc-*-darwin*)
2723                         DTRACEFLAGS="-arch ppc"
2724                         ;;
2725                         i*86-*-darwin*)
2726                         DTRACEFLAGS="-arch i386"
2727                         ;;
2728                         *)
2729                         DTRACEFLAGS=-32
2730                         ;;
2731                 esac
2732         fi
2733         AC_SUBST(DTRACEFLAGS)
2734         case "$host" in
2735                 *-*-solaris*)
2736                 dtrace_g=yes
2737                 ;;
2738         esac
2739         AC_CHECK_HEADERS([sys/sdt.h])
2740 fi
2741 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2742 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2743
2744 dnl **************
2745 dnl ***  NaCl  ***
2746 dnl **************
2747
2748 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2749 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2750
2751 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2752
2753 dnl
2754 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2755 dnl
2756 nacl_self_host=""
2757 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2758    nacl_self_host="nacl_self_host"
2759 fi
2760 AC_SUBST(nacl_self_host)
2761
2762 if test "x$enable_nacl_codegen" = "xyes"; then
2763    MONO_NACL_ALIGN_MASK_OFF=1
2764    AC_DEFINE(TARGET_NACL, 1, [...])
2765    AC_DEFINE(__native_client_codegen__, 1, [...])
2766 fi
2767 if test "x$enable_nacl_gc" = "xyes"; then
2768    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2769       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2770    else
2771       # Not yet implemented
2772       INSTRUMENT_CFLAG=""
2773    fi
2774    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2775 fi
2776 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2777
2778 dnl **************************
2779 dnl *** AOT cross offsets  ***
2780 dnl **************************
2781
2782 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2783     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2784
2785 dnl **************
2786 dnl ***  LLVM  ***
2787 dnl **************
2788
2789 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2790 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2791 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2792 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2793
2794 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2795
2796 if test "x$enable_llvm" = "xdefault"; then
2797    enable_llvm=$enable_llvm_default
2798 fi
2799
2800 if test "x$enable_llvm" = "xyes"; then
2801    if test "x$with_llvm" != "x"; then
2802           LLVM_CONFIG=$with_llvm/bin/llvm-config
2803           if test x$host_win32 = xyes; then
2804                 LLVM_CONFIG=$LLVM_CONFIG.exe
2805           fi
2806           if test ! -x $LLVM_CONFIG; then
2807                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2808       fi
2809    else
2810       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2811       if test "x$LLVM_CONFIG" = "xno"; then
2812              AC_MSG_ERROR([llvm-config not found.])
2813       fi
2814    fi
2815
2816    llvm_codegen="x86codegen"
2817    case "$target" in
2818    arm*)
2819                 llvm_codegen="armcodegen"
2820                 ;;
2821    esac
2822
2823    if test "x$host_win32" = "xno"; then
2824
2825    # Should be something like '2.6' or '2.7svn'
2826    llvm_version=`$LLVM_CONFIG --version`
2827    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2828    AC_MSG_CHECKING(LLVM version)
2829    AC_MSG_RESULT($llvm_version $llvm_api_version)
2830    if echo $llvm_version | grep -q 'mono'; then
2831           if test "x$enable_llvm_version_check" = "xyes"; then
2832                  if test "$llvm_version" != "$expected_llvm_version"; then
2833                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2834                  fi
2835           fi
2836    else
2837           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.])
2838    fi
2839
2840    # The output of --cflags seems to include optimizations flags too
2841    if test $llvm_api_version -gt 100; then
2842           # The --cflags argument includes all kinds of warnings -pendantic etc.
2843           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2844           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2845    else
2846           LLVM_CFLAGS=`$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'`
2847       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2848    fi
2849    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2850    # from LLVM classes.
2851    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2852    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2853    # This might include empty lines
2854    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2855    llvm_jit_supported=yes
2856    llvm_jit_libs="jit mcjit $llvm_codegen"
2857    if test "x$host" != "x$target"; then
2858       # No need for jit libs
2859           llvm_jit_supported=no
2860       llvm_jit_libs=""
2861    elif test $llvm_api_version -gt 100; then
2862       llvm_jit_libs="orcjit $llvm_codegen"
2863    fi
2864    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2865    if test "x$LLVM_LIBS" = "x"; then
2866           echo "$LLVM_CONFIG --libs failed."
2867           exit 1
2868    fi
2869    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2870    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2871    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2872       LLVM_LIBS="$LLVM_LIBS -lc++"
2873    else
2874       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2875    fi
2876
2877    expected_llvm_version="3.4svn-mono-mono/e656cac"
2878
2879    else
2880        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2881        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2882        LLVM_LDFLAGS="-L$with_llvm/lib"
2883        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2884        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2885          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2886          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2887          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2888          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2889          -lLLVMAnalysis -lLLVMTarget \
2890          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2891          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2892          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2893          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2894          -lLLVMSupport -lstdc++"
2895        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2896
2897        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2898        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2899    fi
2900
2901    if test "x$llvm_api_version" = "x"; then
2902           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2903           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2904    else
2905           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2906           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2907    fi
2908
2909    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2910
2911    AC_SUBST(LLVM_CFLAGS)
2912    AC_SUBST(LLVM_CXXFLAGS)
2913    AC_SUBST(LLVM_LIBS)
2914    AC_SUBST(LLVM_LDFLAGS)
2915    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2916 fi
2917
2918 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2919 if test "x$enable_loadedllvm" = "xyes"; then
2920    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2921 fi
2922 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2923
2924 if test "x$enable_llvm" = "xyes"; then
2925    enable_llvm_runtime=yes
2926 fi
2927 if test "x$enable_llvm_runtime" = "xyes"; then
2928    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2929 fi
2930 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2931
2932 TARGET="unknown"
2933 ACCESS_UNALIGNED="yes"
2934
2935 LIBC="libc.so.6"
2936 INTL="libc.so.6"
2937 SQLITE="libsqlite.so.0"
2938 SQLITE3="libsqlite3.so.0"
2939 X11="libX11.so"
2940 GDKX11="libgdk-x11-2.0.so.0"
2941 GTKX11="libgtk-x11-2.0.so.0"
2942 XINERAMA="libXinerama.so.1"
2943
2944 sizeof_register="SIZEOF_VOID_P"
2945
2946 jit_wanted=true
2947 boehm_supported=true
2948 BTLS_SUPPORTED=no
2949 BTLS_PLATFORM=
2950 case "$host" in
2951         mips*)
2952                 TARGET=MIPS;
2953                 arch_target=mips;
2954                 with_tls=pthread;
2955                 ACCESS_UNALIGNED="no"
2956
2957                 AC_MSG_CHECKING(for mips n32)
2958                 AC_TRY_COMPILE([],[
2959                 #if _MIPS_SIM != _ABIN32
2960                 #error Not mips n32
2961                 #endif
2962                 return 0;
2963                 ],[
2964                 AC_MSG_RESULT(yes)
2965                 sizeof_register=8
2966                 ],[
2967                 AC_MSG_RESULT(no)
2968                 ])
2969                 ;;
2970         i*86-*-*)
2971                 TARGET=X86;
2972                 arch_target=x86;
2973                 case $host_os in
2974                   solaris*)
2975                         LIBC="libc.so"
2976                         INTL="libintl.so"
2977                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2978                                 TARGET=AMD64
2979                                 arch_target=amd64
2980                         fi
2981
2982                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2983                         # int astruct __attribute__ ((visibility ("hidden")));
2984                         # void foo ()
2985                         # {
2986                         #       void *p = &astruct;
2987                         # }
2988                         # gcc -fPIC --shared -o libfoo.so foo.c
2989                         # yields:
2990                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2991                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2992                         have_visibility_hidden=no
2993                         ;;
2994                   mingw*|cygwin*)
2995                         have_visibility_hidden=no
2996                         ;;
2997                   haiku*)
2998                         LIBC=libroot.so
2999                         ;;
3000                   linux*)
3001                         AOT_SUPPORTED="yes"
3002                         BTLS_SUPPORTED=yes
3003                         BTLS_PLATFORM=i386
3004                         ;;
3005                   darwin*)
3006                         AOT_SUPPORTED="yes"
3007                         BTLS_SUPPORTED=yes
3008                         BTLS_PLATFORM=i386
3009                         ;;
3010                   openbsd*|freebsd*|kfreebsd-gnu*)
3011                         ;;
3012                 esac
3013                 ;;
3014         x86_64-*-* | amd64-*-*)
3015                 TARGET=AMD64;
3016                 arch_target=amd64;
3017                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3018                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3019                         sizeof_register=8
3020                 fi
3021                 case $host_os in
3022                   linux*)
3023                         AOT_SUPPORTED="yes"
3024                         BTLS_SUPPORTED=yes
3025                         BTLS_PLATFORM=x86_64
3026                         ;;
3027                   darwin*)
3028                         AOT_SUPPORTED="yes"
3029                         BTLS_SUPPORTED=yes
3030                         BTLS_PLATFORM=x86_64
3031                         ;;
3032                   openbsd*|freebsd*|kfreebsd-gnu*)
3033                         ;;
3034                   mingw*)
3035                         ;;
3036                 esac
3037                 case "$host" in
3038                         x86_64-*-nacl*)
3039                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3040                                 sizeof_register=8
3041                                 ;;
3042                 esac
3043                 ;;
3044         ia64-*-*)
3045                 TARGET=IA64
3046                 arch_target=ia64
3047                 ACCESS_UNALIGNED="no"
3048                 LIBC="libc.so.6.1"
3049                 INTL="libc.so.6.1"
3050                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3051                 libmono_ldflags="-lunwind"
3052                 ;;
3053         sparc*-*-*)
3054                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3055                    TARGET=SPARC64
3056                 else
3057                         TARGET=SPARC
3058                 fi
3059                 arch_target=sparc;
3060                 ACCESS_UNALIGNED="no"
3061                 case $host_os in
3062                   linux*) ;;
3063                   *)
3064                         LIBC="libc.so"
3065                         INTL="libintl.so"
3066                 esac
3067                 if test x"$GCC" = xyes; then
3068                         # We don't support v8 cpus
3069                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3070                 fi
3071                 if test x"$AR" = xfalse; then
3072                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3073                 fi
3074                 ;;
3075         *-mingw*|*-*-cygwin*)
3076                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3077                 have_visibility_hidden=no
3078                 INTL="intl"
3079                 ;;
3080         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3081         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3082                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3083                         TARGET=POWERPC64;
3084                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3085                         CFLAGS="$CFLAGS -mminimal-toc"
3086                 else
3087                         TARGET=POWERPC;
3088                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3089                 fi
3090                 arch_target=ppc;
3091                 case $host_os in
3092                   linux*|darwin*)
3093                         ;;
3094                 esac
3095                 ;;
3096         armv7k-*-darwin*)
3097                 TARGET=ARM;
3098                 TARGET_SYS=WATCHOS
3099                 arch_target=arm;
3100                 arm_fpu=VFP_HARD
3101                 ACCESS_UNALIGNED="no"
3102                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3103                 ;;
3104
3105         arm*-darwin*)
3106                 TARGET=ARM;
3107                 arch_target=arm;
3108                 ACCESS_UNALIGNED="no"
3109                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3110                 ;;
3111         arm*-linux*)
3112                 TARGET=ARM;
3113                 arch_target=arm;
3114                 ACCESS_UNALIGNED="no"
3115                 AOT_SUPPORTED="yes"
3116                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3117                 ;;
3118         arm*-netbsd*-eabi*)
3119                 TARGET=ARM;
3120                 arch_target=arm;
3121                 ACCESS_UNALIGNED="no"
3122                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3123                 ;;
3124 # TODO: make proper support for NaCl host.
3125 #        arm*-*nacl)
3126 #               TARGET=ARM;
3127 #               arch_target=arm;
3128 #               ACCESS_UNALIGNED="no"
3129 #               AOT_SUPPORTED="no"
3130 #               ;;
3131         aarch64-*)
3132                 # https://lkml.org/lkml/2012/7/15/133
3133                 TARGET=ARM64
3134                 arch_target=arm64
3135                 boehm_supported=false
3136                 AOT_SUPPORTED="yes"
3137                 ;;
3138         s390x-*-linux*)
3139                 TARGET=S390X;
3140                 arch_target=s390x;
3141                 ACCESS_UNALIGNED="yes"
3142                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3143                 ;;
3144 esac
3145
3146 HOST=$TARGET
3147
3148 if test "x$host" != "x$target"; then
3149    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3150    enable_mcs_build=no
3151    BTLS_SUPPORTED=no
3152    case "$target" in
3153    arm*-darwin*)
3154                 TARGET=ARM;
3155                 arch_target=arm;
3156                 ACCESS_UNALIGNED="no"
3157                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3158                 # Can't use tls, since it depends on the runtime detection of tls offsets
3159                 # in mono-compiler.h
3160                 with_tls=pthread
3161                 case "$target" in
3162                 armv7k-*)
3163                         arm_fpu=VFP_HARD
3164                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3165                         ;;
3166                 esac
3167                 ;;
3168    powerpc64-ps3-linux-gnu)
3169                 TARGET=POWERPC64
3170                 arch_target=powerpc64
3171                 AC_DEFINE(TARGET_PS3, 1, [...])
3172                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3173                 # uses this define
3174                 AC_DEFINE(__mono_ppc64__, 1, [...])
3175                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3176                 sizeof_register=8
3177                 target_byte_order=G_BIG_ENDIAN
3178                 ;;
3179    powerpc64-xbox360-linux-gnu)
3180                 TARGET=POWERPC64
3181                 arch_target=powerpc64
3182                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3183                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3184                 # uses this define
3185                 sizeof_register=8
3186                 target_byte_order=G_BIG_ENDIAN
3187                 ;;
3188    x86_64-*-nacl)
3189                 TARGET=AMD64
3190                 arch_target=amd64
3191                 AC_DEFINE(TARGET_AMD64, 1, [...])
3192                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3193                 sizeof_register=8
3194                 ;;
3195 # TODO: make proper support for NaCl target.
3196 #   arm*-*nacl)
3197 #               TARGET=ARM
3198 #               arch_target=arm
3199 #               AC_DEFINE(TARGET_ARM, 1, [...])
3200 #               ACCESS_UNALIGNED="no"
3201 #               sizeof_register=4
3202 #               CPPFLAGS="$CPPFLAGS \
3203 #                    -D__ARM_EABI__ \
3204 #                    -D__arm__ \
3205 #                    -D__portable_native_client__ \
3206 #                    -Dtimezone=_timezone \
3207 #                    -DDISABLE_SOCKETS \
3208 #                    -DDISABLE_ATTACH \
3209 #                    -DUSE_NEWLIB"
3210                 # Can't use tls, since it depends on the runtime detection of tls offsets
3211                 # in mono-compiler.h
3212 #               with_tls=pthread
3213 #               ;;
3214    i686-*-nacl)
3215                 TARGET=X86
3216                 arch_target=x86
3217                 AC_DEFINE(TARGET_X86, 1, [...])
3218                 sizeof_register=4
3219                 ;;
3220    arm*-linux-*)
3221                 TARGET=ARM;
3222                 arch_target=arm;
3223                 AC_DEFINE(TARGET_ARM, 1, [...])
3224                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3225                 ACCESS_UNALIGNED="no"
3226                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3227                 # Can't use tls, since it depends on the runtime detection of tls offsets
3228                 # in mono-compiler.h
3229                 with_tls=pthread
3230                 target_mach=no
3231                 case "$target" in
3232                 armv7l-unknown-linux-gnueabi*)
3233                         # TEGRA
3234                         CPPFLAGS="$CPPFLAGS"
3235                         ;;
3236                 armv5-*-linux-androideabi*)
3237                         CPPFLAGS="$CPPFLAGS"
3238                         ;;
3239                 esac
3240                 ;;
3241    arm*-netbsd*-eabi*)
3242                 TARGET=ARM;
3243                 arch_target=arm;
3244                 AC_DEFINE(TARGET_ARM, 1, [...])
3245                 ACCESS_UNALIGNED="no"
3246                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3247                 # Can't use tls, since it depends on the runtime detection of tls offsets
3248                 # in mono-compiler.h
3249                 with_tls=pthread
3250                 target_mach=no
3251                 ;;
3252    i686*-linux-*)
3253                 TARGET=X86;
3254                 arch_target=x86;
3255                 AC_DEFINE(TARGET_X86, 1, [...])
3256                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3257                 CPPFLAGS="$CPPFLAGS"
3258                 # Can't use tls, since it depends on the runtime detection of tls offsets
3259                 # in mono-compiler.h
3260                 with_tls=pthread
3261                 target_mach=no
3262                 ;;
3263    x86_64*-linux-*)
3264                 TARGET=AMD64;
3265                 arch_target=amd64;
3266                 AC_DEFINE(TARGET_AMD64, 1, [...])
3267                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3268                 CPPFLAGS="$CPPFLAGS"
3269                 # Can't use tls, since it depends on the runtime detection of tls offsets
3270                 # in mono-compiler.h
3271                 with_tls=pthread
3272                 target_mach=no
3273                 ;;
3274    x86_64-ps4-freebsd)
3275                 TARGET=AMD64;
3276                 arch_target=amd64;
3277                 AC_DEFINE(TARGET_AMD64, 1, [...])
3278                 AC_DEFINE(TARGET_PS4, 1, [...])
3279                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3280                 CPPFLAGS="$CPPFLAGS"
3281                 # Can't use tls, since it depends on the runtime detection of tls offsets
3282                 # in mono-compiler.h
3283                 with_tls=pthread
3284                 target_mach=no
3285                 target_win32=no
3286                 ;;
3287    aarch64*-linux-*)
3288                 TARGET=ARM64;
3289                 arch_target=arm64;
3290                 AC_DEFINE(TARGET_ARM64, 1, [...])
3291                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3292                 CPPFLAGS="$CPPFLAGS"
3293                 # Can't use tls, since it depends on the runtime detection of tls offsets
3294                 # in mono-compiler.h
3295                 with_tls=pthread
3296                 target_mach=no
3297                 ;;
3298         aarch64-*)
3299                 TARGET=ARM64
3300                 ;;
3301         *)
3302                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3303         esac
3304 fi
3305
3306 case "$TARGET" in
3307 X86)
3308         AC_DEFINE(TARGET_X86, 1, [...])
3309         ;;
3310 AMD64)
3311         AC_DEFINE(TARGET_AMD64, 1, [...])
3312         ;;
3313 ARM)
3314         AC_DEFINE(TARGET_ARM, 1, [...])
3315         ;;
3316 ARM64)
3317         AC_DEFINE(TARGET_ARM64, 1, [...])
3318         ;;
3319 POWERPC)
3320         AC_DEFINE(TARGET_POWERPC, 1, [...])
3321         ;;
3322 POWERPC64)
3323         AC_DEFINE(TARGET_POWERPC, 1, [...])
3324         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3325         ;;
3326 S390X)
3327         AC_DEFINE(TARGET_S390X, 1, [...])
3328         ;;
3329 MIPS)
3330         AC_DEFINE(TARGET_MIPS, 1, [...])
3331         ;;
3332 IA64)
3333         AC_DEFINE(TARGET_IA64, 1, [...])
3334         ;;
3335 SPARC)
3336         AC_DEFINE(TARGET_SPARC, 1, [...])
3337         ;;
3338 SPARC64)
3339         AC_DEFINE(TARGET_SPARC64, 1, [...])
3340         ;;
3341 esac
3342
3343 case "$HOST" in
3344 X86)
3345         AC_DEFINE(HOST_X86, 1, [...])
3346         ;;
3347 AMD64)
3348         AC_DEFINE(HOST_AMD64, 1, [...])
3349         ;;
3350 ARM)
3351         AC_DEFINE(HOST_ARM, 1, [...])
3352         ;;
3353 ARM64)
3354         AC_DEFINE(HOST_ARM64, 1, [...])
3355         ;;
3356 POWERPC)
3357         AC_DEFINE(HOST_POWERPC, 1, [...])
3358         ;;
3359 POWERPC64)
3360         AC_DEFINE(HOST_POWERPC, 1, [...])
3361         AC_DEFINE(HOST_POWERPC64, 1, [...])
3362         ;;
3363 S390X)
3364         AC_DEFINE(HOST_S390X, 1, [...])
3365         ;;
3366 MIPS)
3367         AC_DEFINE(HOST_MIPS, 1, [...])
3368         ;;
3369 IA64)
3370         AC_DEFINE(HOST_IA64, 1, [...])
3371         ;;
3372 SPARC)
3373         AC_DEFINE(HOST_SPARC, 1, [...])
3374         ;;
3375 SPARC64)
3376         AC_DEFINE(HOST_SPARC64, 1, [...])
3377         ;;
3378 esac
3379
3380
3381
3382 dnl *************
3383 dnl *** VTUNE ***
3384 dnl *************
3385
3386 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3387 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3388
3389 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3390
3391 if test "x$enable_vtune" = "xyes"; then
3392         if test "x$with_vtune" = "x"; then
3393                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3394         else
3395                 VTUNE_PATH=$with_vtune
3396         fi
3397         VTUNE_INCLUDE=$VTUNE_PATH/include
3398         case "$TARGET" in
3399         X86)
3400                 VTUNE_LIB=$VTUNE_PATH/lib32
3401                 ;;
3402         AMD64)
3403                 VTUNE_LIB=$VTUNE_PATH/lib64
3404                 ;;
3405         *)
3406                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3407                 ;;
3408         esac
3409         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3410                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3411         fi
3412         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3413                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3414         fi
3415
3416         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3417         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3418
3419         AC_SUBST(VTUNE_LIBS)
3420         AC_SUBST(VTUNE_CFLAGS)
3421 fi
3422 dnl Use GCC atomic ops if they work on the target.
3423 if test x$GCC = "xyes"; then
3424         case $TARGET in
3425         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3426                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3427                 ;;
3428         esac
3429 fi
3430
3431 if test "x$target_mach" = "xyes"; then
3432
3433    if test "x$TARGET_SYS" = "xWATCHOS"; then
3434           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3435           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3436           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3437           BTLS_SUPPORTED=no
3438    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3439           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3440           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3441           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3442           BTLS_SUPPORTED=no
3443    else
3444        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3445        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3446        #error fail this for ios
3447        #endif
3448        return 0;
3449        ], [
3450                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3451           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3452           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3453        ], [
3454           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3455           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3456           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3457           BTLS_SUPPORTED=no
3458        ])
3459         fi
3460    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3461 fi
3462
3463 if test "x$sizeof_register" = "x4"; then
3464    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3465 elif test "x$sizeof_register" = "x8"; then
3466    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3467 else
3468    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3469 fi
3470
3471 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3472    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3473 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3474    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3475 else
3476    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3477 fi
3478
3479 if test "x$have_visibility_hidden" = "xyes"; then
3480    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3481 fi
3482
3483 if test "x$have_deprecated" = "xyes"; then
3484    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3485 fi
3486
3487 dnl
3488 dnl Simple Generational checks (sgen)
3489 dnl
3490 SGEN_DEFINES=
3491 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3492 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3493 if test x$buildsgen = xyes; then
3494    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3495    SGEN_DEFINES="-DHAVE_SGEN_GC"
3496
3497         conc_gc_msg=""
3498    if test x$with_sgen_default_concurrent != xno; then
3499        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3500            conc_gc_msg=" (concurrent by default)"
3501    fi
3502
3503    if test "x$gc_msg" = "x"; then
3504       gc_msg="sgen$conc_gc_msg"
3505    else
3506       gc_msg="sgen$conc_gc_msg and $gc_msg"
3507    fi
3508 fi
3509 AC_SUBST(SGEN_DEFINES)
3510 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3511
3512 jit_status="Building and using the JIT"
3513
3514 libsuffix=".so"
3515
3516 case "$host" in
3517      *-*-darwin*)
3518         libsuffix=".dylib"
3519         LIBC="libc.dylib"
3520         INTL="libintl.dylib"
3521         SQLITE="libsqlite.0.dylib"
3522         SQLITE3="libsqlite3.0.dylib"
3523         X11="libX11.dylib"
3524         GDKX11="libgdk-x11-2.0.dylib"
3525         GTKX11="libgtk-x11-2.0.dylib"
3526         ;;
3527      *-*-*netbsd*)
3528         LIBC="libc.so"
3529         INTL="libintl.so"
3530         SQLITE="libsqlite.so"
3531         SQLITE3="libsqlite3.so"
3532         ;;
3533      *-*-kfreebsd*-gnu)
3534         LIBC="libc.so.0.1"
3535         INTL="libc.so.0.1"
3536         X11="libX11.so.6"
3537         ;;
3538     *-*-*freebsd*)
3539         LIBC="libc.so.7"
3540         INTL="libintl.so"
3541         SQLITE="libsqlite.so"
3542         SQLITE3="libsqlite3.so"
3543         ;;
3544     *-*-*openbsd*)
3545         LIBC="libc.so"
3546         INTL="libintl.so"
3547         SQLITE="libsqlite.so"
3548         SQLITE3="libsqlite3.so"
3549         ;;
3550     *-*-*linux*)
3551         AC_PATH_X
3552         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3553         AC_MSG_CHECKING(for the soname of libX11.so)
3554         for i in $x_libraries $dlsearch_path; do
3555                 for r in 4 5 6; do
3556                         if test -f $i/libX11.so.$r; then
3557                                 X11=libX11.so.$r
3558                                 AC_MSG_RESULT($X11)
3559                         fi
3560                 done
3561         done
3562
3563         if test "x$X11" = "xlibX11.so"; then
3564                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3565                 X11=libX11.so.6
3566         fi
3567         ;;
3568 esac
3569
3570
3571 AC_SUBST(libsuffix)
3572
3573 AC_ARG_WITH([libgdiplus],
3574         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3575         [], [with_libgdiplus=installed])
3576
3577 # default install location
3578 libgdiplus_install_loc=libgdiplus${libsuffix}
3579 case "$host" in
3580     *-*-*linux*)
3581     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3582     ;;
3583 esac
3584
3585 case $with_libgdiplus in
3586     no|installed)
3587     libgdiplus_loc=
3588     ;;
3589
3590     yes|sibling)
3591     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3592     ;;
3593
3594     /*) # absolute path, assume it is an install location
3595     libgdiplus_loc=$with_libgdiplus
3596     libgdiplus_install_loc=$with_libgdiplus
3597     ;;
3598
3599     *)
3600     libgdiplus_loc=`pwd`/$with_libgdiplus
3601     ;;
3602 esac
3603 AC_SUBST([libgdiplus_loc])
3604 AC_SUBST([libgdiplus_install_loc])
3605
3606 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3607 if test "x$icall_symbol_map" = "xyes"; then
3608    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3609 fi
3610
3611 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3612 if test "x$icall_export" = "xyes"; then
3613    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3614 fi
3615
3616 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3617 if test "x$icall_tables" = "xno"; then
3618    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3619 fi
3620
3621 if test "x$with_tls" = "x__thread"; then
3622         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3623         # Pass the information to libgc
3624         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3625         AC_MSG_CHECKING(if the tls_model attribute is supported)
3626         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3627                 ], [
3628                         AC_MSG_RESULT(yes)
3629                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3630                 ], [
3631                         AC_MSG_RESULT(no)
3632         ])
3633 fi
3634
3635 if test ${TARGET} = ARM; then
3636         dnl ******************************************
3637         dnl *** Check to see what FPU is available ***
3638         dnl ******************************************
3639         AC_MSG_CHECKING(which FPU to use)
3640
3641         #
3642         # This is a bit tricky:
3643         #
3644         # if (__ARM_PCS_VFP) {
3645         #       /* mfloat-abi=hard == VFP with hard ABI */
3646         # } elif (!__SOFTFP__) {
3647         #       /* mfloat-abi=softfp == VFP with soft ABI */
3648         # } else {
3649         #       /* mfloat-abi=soft == no VFP */
3650         # }
3651         #
3652         # The exception is iOS (w/ GCC) where none of the above
3653         # are defined (but iOS always uses the 'softfp' ABI).
3654         #
3655         # No support for FPA.
3656         #
3657
3658         fpu=NONE
3659
3660         # iOS GCC always uses the 'softfp' ABI.
3661         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3662                 fpu=VFP
3663         fi
3664
3665         # Are we using the 'hard' ABI?
3666         if test x$fpu = xNONE; then
3667                 AC_TRY_COMPILE([], [
3668                         #ifndef __ARM_PCS_VFP
3669                         #error "Float ABI is not 'hard'"
3670                         #endif
3671                         return 0;
3672                 ], [
3673                         fpu=VFP_HARD
3674                 ], [
3675                         fpu=NONE
3676                 ])
3677         fi
3678
3679         # No 'hard' ABI. 'soft' or 'softfp'?
3680         if test x$fpu = xNONE; then
3681                 AC_TRY_COMPILE([], [
3682                         #ifdef __SOFTFP__
3683                         #error "Float ABI is not 'softfp'"
3684                         #endif
3685                         return 0;
3686                 ], [
3687                         fpu=VFP
3688                 ], [
3689                         fpu=NONE
3690                 ])
3691         fi
3692
3693         if test x$arm_fpu != x; then
3694            fpu=$arm_fpu
3695         fi
3696
3697         AC_MSG_RESULT($fpu)
3698         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3699         unset fpu
3700
3701         dnl *********************************************
3702         dnl *** Check which ARM version(s) we can use ***
3703         dnl *********************************************
3704         AC_MSG_CHECKING(which ARM version to use)
3705
3706         AC_TRY_COMPILE([], [
3707                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3708                 #error Not on ARM v5.
3709                 #endif
3710                 return 0;
3711         ], [
3712                 arm_v5=yes
3713
3714                 arm_ver=ARMv5
3715         ], [])
3716
3717         AC_TRY_COMPILE([], [
3718                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3719                 #error Not on ARM v6.
3720                 #endif
3721                 return 0;
3722         ], [
3723                 arm_v5=yes
3724                 arm_v6=yes
3725
3726                 arm_ver=ARMv6
3727         ], [])
3728
3729         AC_TRY_COMPILE([], [
3730                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3731                 #error Not on ARM v7.
3732                 #endif
3733                 return 0;
3734         ], [
3735                 arm_v5=yes
3736                 arm_v6=yes
3737                 arm_v7=yes
3738
3739                 arm_ver=ARMv7
3740         ], [])
3741
3742         AC_MSG_RESULT($arm_ver)
3743
3744         if test x$arm_v5 = xyes; then
3745                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3746                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3747         fi
3748
3749         if test x$arm_v6 = xyes; then
3750                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3751                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3752         fi
3753
3754         if test x$arm_v7 = xyes; then
3755                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3756                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3757         fi
3758 fi
3759
3760 if test ${TARGET} = unknown; then
3761         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3762         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3763 fi
3764
3765 if test "x$platform_android" = "xyes"; then
3766         case "x${TARGET}" in
3767         xARM)
3768                 case "x$arm_ver" in
3769                 xARMv5)
3770                         BTLS_SUPPORTED=yes
3771                         BTLS_PLATFORM=android-armv5
3772                         ;;
3773                 xARMv6)
3774                         BTLS_SUPPORTED=yes
3775                         BTLS_PLATFORM=android-armv6
3776                         ;;
3777                 xARMv7)
3778                         BTLS_SUPPORTED=yes
3779                         BTLS_PLATFORM=android-armv7
3780                         ;;
3781                 *)
3782                         BTLS_SUPPORTED=no
3783                         ;;
3784                 esac
3785                 ;;
3786         xARM64)
3787                 BTLS_SUPPORTED=yes
3788                 BTLS_PLATFORM=android-v8a
3789                 ;;
3790         xX86)
3791                 BTLS_SUPPORTED=yes
3792                 BTLS_PLATFORM=android-x86
3793                 ;;
3794         xAMD64)
3795                 BTLS_SUPPORTED=yes
3796                 BTLS_PLATFORM=android-x64
3797                 ;;
3798         *)
3799                 BTLS_SUPPORTED=no
3800                 ;;
3801         esac
3802 fi
3803
3804 if test ${ACCESS_UNALIGNED} = no; then
3805         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3806 fi
3807
3808 case "x$libgc" in
3809         xincluded)
3810                 # Pass CPPFLAGS to libgc configure
3811                 # We should use a separate variable for this to avoid passing useless and
3812                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3813                 # This should be executed late so we pick up the final version of CPPFLAGS
3814                 # The problem with this approach, is that during a reconfigure, the main
3815                 # configure scripts gets invoked with these arguments, so we use separate
3816                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3817                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3818                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3819                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3820                 fi
3821                 # Don't pass -finstrument-for-thread-suspension in,
3822                 # if these are instrumented it will be very bad news
3823                 # (infinite recursion, undefined parking behavior, etc)
3824                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3825                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3826                 if test "x$support_boehm" = "xyes"; then
3827                         AC_CONFIG_SUBDIRS(libgc)
3828                 fi
3829                 ;;
3830 esac
3831
3832 MALLOC_MEMPOOLS=no
3833 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3834         if test x$with_malloc_mempools = xyes; then
3835                 MALLOC_MEMPOOLS=yes
3836                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3837         fi
3838 ])
3839
3840
3841 DISABLE_MCS_DOCS=default
3842 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3843         if test x$with_mcs_docs != xyes; then
3844                 DISABLE_MCS_DOCS=yes
3845         fi
3846 ])
3847 if test -n "$INSTALL_4_x_TRUE"; then :
3848         DISABLE_MCS_DOCS=yes
3849 fi
3850 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3851    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3852 fi
3853
3854 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3855         if test x$with_lazy_gc_thread_creation != xno ; then
3856                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3857         fi
3858 ], [with_lazy_gc_thread_creation=no])
3859
3860 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])
3861
3862 if test x$with_cooperative_gc = xdefault; then
3863         with_cooperative_gc=$with_cooperative_gc_default
3864 fi
3865
3866 if test x$with_cooperative_gc != xno; then
3867         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3868 fi
3869
3870 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3871
3872 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],[
3873
3874         if test x$enable_checked_build != x ; then
3875                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3876         fi
3877         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3878                 eval "mono_checked_build_test_enable_$feature='yes'"
3879         done
3880
3881         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3882                 eval "mono_checked_build_test_enable_gc='yes'"
3883                 eval "mono_checked_build_test_enable_metadata='yes'"
3884                 eval "mono_checked_build_test_enable_thread='yes'"
3885         fi
3886
3887         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3888                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3889         fi
3890
3891         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3892                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3893         fi
3894
3895         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3896                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3897         fi
3898
3899 ], [])
3900
3901 AC_CHECK_HEADER([malloc.h],
3902                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3903                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3904
3905 if test x"$GCC" = xyes; then
3906         # Implicit function declarations are not 64 bit safe
3907         # Do this late, since this causes lots of configure tests to fail
3908         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3909         # jay has a lot of implicit declarations
3910         JAY_CFLAGS="-Wno-implicit-function-declaration"
3911 fi
3912
3913 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3914 # instead of libmono-static.a
3915 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3916    LIBMONO_LA=libmini-static.la
3917 else
3918    if test x$buildsgen = xyes; then
3919       LIBMONO_LA=libmonosgen-$API_VER.la
3920    else
3921       LIBMONO_LA=libmonoboehm-$API_VER.la
3922    fi
3923 fi
3924 AC_SUBST(LIBMONO_LA)
3925
3926 dnl **************
3927 dnl ***  Btls  ***
3928 dnl **************
3929
3930 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3931 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3932
3933 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3934
3935 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3936 AM_CONDITIONAL(DYNAMIC_BTLS, test x$enable_dynamic_btls = xyes)
3937
3938 btls_android=no
3939 if test "x$enable_btls" = "xyes"; then
3940         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3941         if test "x$CMAKE" = "xno"; then
3942                 AC_MSG_ERROR("cmake not found")
3943         fi
3944
3945         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3946         AC_SUBST(BTLS_ROOT)
3947
3948         btls_arch=
3949         btls_cflags=
3950         BTLS_CMAKE_ARGS=
3951
3952         case "$BTLS_PLATFORM" in
3953         i386)
3954                 btls_arch=i386
3955                 btls_cflags="-m32"
3956                 case $host_os in
3957                         darwin*)
3958                                 btls_cflags="$btls_cflags -arch i386"
3959                 esac
3960                 ;;
3961         x86_64)
3962                 btls_arch=x86_64
3963                 ;;
3964         android-armv5)
3965                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3966                 ;;
3967         android-armv6)
3968                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3969                 ;;
3970         android-armv7)
3971                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3972                 ;;
3973         android-v8a)
3974                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3975                 ;;
3976         android-x86)
3977                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3978                 ;;
3979         android-x64)
3980                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3981                 ;;
3982         *)
3983                 AC_MSG_ERROR(Invalid BTLS platform)
3984         esac
3985
3986         if test "x$platform_android" = "xyes"; then
3987                 btls_android=yes
3988                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
3989                 if test "x$with_btls_android_ndk" != "x"; then
3990                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
3991                 fi
3992         fi
3993
3994         if test "x$btls_arch" != "x"; then
3995                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
3996         fi
3997
3998         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
3999         AC_SUBST(BTLS_ARCH)
4000         AC_SUBST(BTLS_CFLAGS)
4001         AC_SUBST(BTLS_PLATFORM)
4002         AC_SUBST(BTLS_CMAKE_ARGS)
4003
4004         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4005
4006         if test "x$enable_dynamic_btls" = "xyes"; then
4007                 AC_DEFINE(HAVE_DYNAMIC_BTLS, 1, [BTLS in a shared libraty])
4008         fi
4009 else
4010         enable_btls=no
4011 fi
4012
4013 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4014
4015 if test x$DISABLE_MCS_DOCS = xyes; then
4016    docs_dir=""
4017 else
4018    docs_dir=docs
4019 fi
4020 AC_SUBST(docs_dir)
4021
4022 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4023 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4024
4025 libmono_ldflags="$libmono_ldflags $LIBS"
4026
4027 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4028 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4029 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4030 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4031 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4032 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4033 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4034 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4035 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4036 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4037 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4038 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4039 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4040 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4041 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4042 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4043 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4044 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4045
4046 AC_SUBST(LIBC)
4047 AC_SUBST(INTL)
4048 AC_SUBST(SQLITE)
4049 AC_SUBST(SQLITE3)
4050 AC_SUBST(X11)
4051 AC_SUBST(GDKX11)
4052 AC_SUBST(GTKX11)
4053 AC_SUBST(XINERAMA)
4054 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4055 AC_SUBST(arch_target)
4056 AC_SUBST(CFLAGS)
4057 AC_SUBST(CPPFLAGS)
4058 AC_SUBST(LDFLAGS)
4059
4060 #This must always be defined when building the runtime
4061 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4062
4063 mono_build_root=`pwd`
4064 AC_SUBST(mono_build_root)
4065
4066 mono_runtime=mono/mini/mono
4067 AC_SUBST(mono_runtime)
4068
4069 mono_cfg_root=$mono_build_root/runtime
4070 if test x$host_win32 = xyes; then
4071   if test "x$cross_compiling" = "xno"; then
4072     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4073   else
4074     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4075   fi
4076 else
4077   mono_cfg_dir=$mono_cfg_root/etc
4078 fi
4079 AC_SUBST(mono_cfg_dir)
4080
4081 AC_CONFIG_FILES([po/mcs/Makefile.in])
4082
4083 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4084 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4085
4086 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4087 [   depth=../../../..
4088     case $srcdir in
4089     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4090     .) reldir=$depth ;;
4091     *) reldir=$depth/$srcdir ;;
4092     esac
4093     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4094     cd runtime/etc/mono/1.0
4095     rm -f machine.config
4096     $LN_S $reldir/data/net_1_1/machine.config machine.config
4097     cd $depth
4098 ],[LN_S='$LN_S'])
4099
4100 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4101 [   depth=../../../..
4102     case $srcdir in
4103     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4104     .) reldir=$depth ;;
4105     *) reldir=$depth/$srcdir ;;
4106     esac
4107     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4108     cd runtime/etc/mono/2.0
4109     rm -f machine.config
4110     $LN_S $reldir/data/net_2_0/machine.config machine.config
4111     cd $depth
4112 ],[LN_S='$LN_S'])
4113
4114 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.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/2.0
4122     cd runtime/etc/mono/2.0
4123     rm -f web.config
4124     $LN_S $reldir/data/net_2_0/web.config web.config
4125     cd $depth
4126 ],[LN_S='$LN_S'])
4127
4128 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
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/
4136     cd runtime/etc/mono/
4137     rm -f browscap.ini
4138     $LN_S $reldir/data/browscap.ini browscap.ini
4139     cd $depth
4140 ],[LN_S='$LN_S'])
4141
4142 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
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/Browsers/
4150     cd runtime/etc/mono/2.0/Browsers
4151     rm -f Compat.browser
4152     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4153     cd $depth
4154 ],[LN_S='$LN_S'])
4155
4156 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
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/4.0/Browsers/
4164     cd runtime/etc/mono/4.0/Browsers
4165     rm -f Compat.browser
4166     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4167     cd $depth
4168 ],[LN_S='$LN_S'])
4169
4170 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/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/4.5/Browsers/
4178     cd runtime/etc/mono/4.5/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/machine.config],
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
4192     cd runtime/etc/mono/4.0
4193     rm -f machine.config
4194     $LN_S $reldir/data/net_4_0/machine.config machine.config
4195     cd $depth
4196 ],[LN_S='$LN_S'])
4197
4198 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
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/4.0
4206     cd runtime/etc/mono/4.0
4207     rm -f web.config
4208     $LN_S $reldir/data/net_4_0/web.config web.config
4209     cd $depth
4210 ],[LN_S='$LN_S'])
4211
4212 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/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/4.5
4220     cd runtime/etc/mono/4.5
4221     rm -f machine.config
4222     $LN_S $reldir/data/net_4_5/machine.config machine.config
4223     cd $depth
4224 ],[LN_S='$LN_S'])
4225
4226 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/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/4.5
4234     cd runtime/etc/mono/4.5
4235     rm -f web.config
4236     $LN_S $reldir/data/net_4_5/web.config web.config
4237     cd $depth
4238 ],[LN_S='$LN_S'])
4239
4240 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])
4241 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])
4242
4243 AC_OUTPUT([
4244 Makefile
4245 mono-uninstalled.pc
4246 acceptance-tests/Makefile
4247 llvm/Makefile
4248 scripts/mono-find-provides
4249 scripts/mono-find-requires
4250 mono/Makefile
4251 mono/btls/Makefile
4252 mono/utils/Makefile
4253 mono/metadata/Makefile
4254 mono/dis/Makefile
4255 mono/cil/Makefile
4256 mono/arch/Makefile
4257 mono/arch/x86/Makefile
4258 mono/arch/amd64/Makefile
4259 mono/arch/ppc/Makefile
4260 mono/arch/sparc/Makefile
4261 mono/arch/s390x/Makefile
4262 mono/arch/arm/Makefile
4263 mono/arch/arm64/Makefile
4264 mono/arch/ia64/Makefile
4265 mono/arch/mips/Makefile
4266 mono/sgen/Makefile
4267 mono/tests/Makefile
4268 mono/tests/tests-config
4269 mono/tests/assemblyresolve/Makefile
4270 mono/tests/gc-descriptors/Makefile
4271 mono/unit-tests/Makefile
4272 mono/benchmark/Makefile
4273 mono/io-layer/Makefile
4274 mono/mini/Makefile
4275 mono/profiler/Makefile
4276 m4/Makefile
4277 ikvm-native/Makefile
4278 scripts/Makefile
4279 man/Makefile
4280 docs/Makefile
4281 data/Makefile
4282 data/net_2_0/Makefile
4283 data/net_4_0/Makefile
4284 data/net_4_5/Makefile
4285 data/net_2_0/Browsers/Makefile
4286 data/net_4_0/Browsers/Makefile
4287 data/net_4_5/Browsers/Makefile
4288 data/mint.pc
4289 data/mono-2.pc
4290 data/monosgen-2.pc
4291 data/mono.pc
4292 data/mono-cairo.pc
4293 data/mono-nunit.pc
4294 data/mono-options.pc
4295 data/mono-lineeditor.pc
4296 data/monodoc.pc
4297 data/dotnet.pc
4298 data/dotnet35.pc
4299 data/wcf.pc
4300 data/cecil.pc
4301 data/system.web.extensions_1.0.pc
4302 data/system.web.extensions.design_1.0.pc
4303 data/system.web.mvc.pc
4304 data/system.web.mvc2.pc
4305 data/system.web.mvc3.pc
4306 data/aspnetwebstack.pc
4307 data/reactive.pc
4308 samples/Makefile
4309 support/Makefile
4310 data/config
4311 tools/Makefile
4312 tools/locale-builder/Makefile
4313 tools/sgen/Makefile
4314 tools/monograph/Makefile
4315 tools/pedump/Makefile
4316 runtime/Makefile
4317 msvc/Makefile
4318 po/Makefile
4319 ])
4320
4321 # Update all submodules recursively to ensure everything is checked out
4322 $srcdir/scripts/update_submodules
4323
4324 if test x$host_win32 = xyes; then
4325    # Get rid of 'cyg' prefixes in library names
4326    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4327    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4328    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4329    # executable doesn't work...
4330    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4331 fi
4332
4333 if test x$host_darwin = xyes; then
4334    # This doesn't seem to be required and it slows down parallel builds
4335    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4336 fi
4337
4338 (
4339   case $prefix in
4340   NONE) prefix=$ac_default_prefix ;;
4341   esac
4342   case $exec_prefix in
4343   NONE) exec_prefix='${prefix}' ;;
4344   esac
4345
4346   #
4347   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4348   # any existing config.make.  This allows people to share the same source tree
4349   # with different build directories, one native and one cross
4350   #
4351   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4352
4353     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4354
4355     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4356     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4357     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4358     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4359     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4360     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4361     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4362     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4363
4364     case $INSTALL in
4365     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4366     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4367     esac
4368
4369     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4370
4371     export VERSION
4372     [myver=$($AWK 'BEGIN {
4373       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4374       if(length(vsplit [1]) > 4) {
4375         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4376       }
4377       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4378     }')]
4379
4380     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4381
4382     if test x$host_darwin = xyes; then
4383       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4384     fi
4385
4386     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4387       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4388     fi
4389
4390         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4391            enable_system_aot=yes
4392         fi
4393
4394     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4395       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4396     fi
4397
4398     if test x$DISABLE_MCS_DOCS = xyes; then
4399       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4400     fi
4401
4402     if test x$has_extension_module != xno; then
4403         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4404     fi
4405
4406     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4407
4408     if test "x$test_bcl_opt" = "xyes"; then
4409       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4410     fi
4411
4412     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4413       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4414       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4415     fi
4416
4417         if test "x$enable_dynamic_btls" = "xyes"; then
4418            echo "DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4419         fi
4420   fi
4421
4422 )
4423
4424 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4425
4426 btls_platform_string=
4427 if test x$enable_btls = xyes; then
4428         if test x$btls_android = xyes; then
4429                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4430         else
4431                 btls_platform_string=" ($BTLS_PLATFORM)"
4432         fi
4433 fi
4434
4435 echo "
4436         mcs source:    $mcsdir
4437
4438    Engine:
4439         Host:          $host
4440         Target:        $target
4441         GC:            $gc_msg
4442         TLS:           $with_tls
4443         SIGALTSTACK:   $with_sigaltstack
4444         Engine:        $jit_status
4445         BigArrays:     $enable_big_arrays
4446         DTrace:        $enable_dtrace
4447         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4448
4449    Libraries:
4450         .NET 4.x:        $with_profile4_x
4451         Xamarin.Android: $with_monodroid
4452         Xamarin.iOS:     $with_monotouch
4453         Xamarin.WatchOS: $with_monotouch_watch
4454         Xamarin.TVOS:    $with_monotouch_tv
4455         Xamarin.Mac:     $with_xammac
4456         mobile_static:   $with_mobile_static
4457         JNI support:     $jdk_headers_found
4458         libgdiplus:      $libgdiplus_msg
4459         zlib:            $zlib_msg
4460         BTLS:            $enable_btls$btls_platform_string
4461         $disabled
4462 "
4463 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4464    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4465 fi