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