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