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