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