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