configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 AC_SUBST(PLATFORM_AOT_SUFFIX)
 383
 384 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 385
 386 AC_CHECK_TOOL(CC, gcc, gcc)
 387 AC_PROG_CC
 388 AC_CHECK_TOOL(CXX, g++, g++)
 389 AC_PROG_CXX
 390 AM_PROG_AS
 391 AC_PROG_INSTALL
 392 AC_PROG_AWK
 393 AM_PROG_CC_C_O
 394 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 395 : ${CCAS='$(CC)'}
 396 # Set ASFLAGS if not already set.
 397 : ${CCASFLAGS='$(CFLAGS)'}
 398 AC_SUBST(CCAS)
 399 AC_SUBST(CCASFLAGS)
 400
 401 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 402 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 403 if test "x$CXX" = "xg++"; then
 404         if test "x$GXX" != "xyes"; then
 405                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 406                 # are inside automake conditionals
 407                 AC_MSG_ERROR([You need to install g++])
 408         fi
 409 fi
 410
 411 dnl may require a specific autoconf version
 412 dnl AC_PROG_CC_FOR_BUILD
 413 dnl CC_FOR_BUILD not automatically detected
 414 CC_FOR_BUILD=$CC
 415 CFLAGS_FOR_BUILD=$CFLAGS
 416 BUILD_EXEEXT=
 417 if test "x$cross_compiling" = "xyes"; then
 418         CC_FOR_BUILD=cc
 419         CFLAGS_FOR_BUILD=
 420         BUILD_EXEEXT=""
 421 fi
 422 AC_SUBST(CC_FOR_BUILD)
 423 AC_SUBST(CFLAGS_FOR_BUILD)
 424 AC_SUBST(HOST_CC)
 425 AC_SUBST(BUILD_EXEEXT)
 426
 427 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 428 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 429
 430 # Set STDC_HEADERS
 431 AC_HEADER_STDC
 432 AC_LIBTOOL_WIN32_DLL
 433 # This causes monodis to not link correctly
 434 #AC_DISABLE_FAST_INSTALL
 435 AM_PROG_LIBTOOL
 436 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 437 DOLT
 438
 439 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 440 AC_SUBST(export_ldflags)
 441
 442 # Test whenever ld supports -version-script
 443 AC_PROG_LD
 444 AC_PROG_LD_GNU
 445
 446 AM_ICONV()
 447
 448 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 449 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 450 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 451                   [], [], [#include <stddef.h>
 452                   #include <sys/socket.h>
 453                   #include <linux/socket.h>])
 454
 455 AC_CHECK_HEADERS(sys/user.h, [], [],
 456 [
 457 #ifdef HAVE_SYS_PARAM_H
 458 # include <sys/param.h>
 459 #endif
 460 ])
 461
 462 AC_CHECK_HEADERS(linux/serial.h)
 463
 464 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 465 if test x$have_zlib = xyes; then
 466    AC_TRY_COMPILE([#include <zlib.h>], [
 467    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 468    return 0;
 469    #else
 470    #error No good zlib found
 471    #endif
 472    ],[
 473         AC_MSG_RESULT(Using system zlib)
 474         zlib_msg="system zlib"
 475         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 476    ],[
 477         AC_MSG_RESULT(Using embedded zlib)
 478         have_zlib=no
 479         zlib_msg="bundled zlib"
 480    ])
 481 fi
 482
 483 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 484 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 485
 486 # for mono/metadata/debug-symfile.c
 487 AC_CHECK_HEADERS(elf.h)
 488
 489 # for support
 490 AC_CHECK_HEADERS(poll.h)
 491 AC_CHECK_HEADERS(sys/poll.h)
 492 AC_CHECK_HEADERS(sys/wait.h)
 493 AC_CHECK_HEADERS(grp.h)
 494 AC_CHECK_HEADERS(syslog.h)
 495
 496 # for mono/dis
 497 AC_CHECK_HEADERS(wchar.h)
 498 AC_CHECK_HEADERS(ieeefp.h)
 499 AC_MSG_CHECKING(for isinf)
 500 AC_TRY_LINK([#include <math.h>], [
 501         int f = isinf (1.0);
 502 ], [
 503         AC_MSG_RESULT(yes)
 504         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 505 ], [
 506         # We'll have to use signals
 507         AC_MSG_RESULT(no)
 508 ])
 509 # mingw
 510 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 511         AC_TRY_LINK([#include <math.h>],
 512         [ _finite(0.0); ],
 513         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 514         AC_MSG_RESULT(no)))
 515
 516 # for Linux statfs support
 517 AC_CHECK_HEADERS(linux/magic.h)
 518
 519 # not 64 bit clean in cross-compile
 520 AC_CHECK_SIZEOF(void *, 4)
 521
 522 AC_CACHE_CHECK([for clang],
 523         mono_cv_clang,[
 524         AC_TRY_COMPILE([], [
 525                 #ifdef __clang__
 526                 #else
 527                 #error "FAILED"
 528                 #endif
 529                 return 0;
 530         ],
 531         [mono_cv_clang=yes],
 532         [mono_cv_clang=no],
 533         [])
 534 ])
 535
 536 AC_ARG_ENABLE(visibility-hidden,
 537 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 538    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 539
 540 WARN=''
 541 if test x"$GCC" = xyes; then
 542         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 543
 544                 # We require C99 with some GNU extensions, e.g. `linux` macro
 545                 CFLAGS="$CFLAGS -std=gnu99"
 546
 547                 # The runtime code does not respect ANSI C strict aliasing rules
 548                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 549
 550                 # We rely on signed overflow to behave
 551                 CFLAGS="$CFLAGS -fwrapv"
 552
 553                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 554                 if test x"$disable_visibility_hidden" = xno; then
 555                    # Don't export any symbols by default
 556                    SHARED_CFLAGS="-fvisibility=hidden"
 557                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 558                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 559                 fi
 560
 561                 ORIG_CFLAGS=$CFLAGS
 562                 # Check for the normal version, since gcc ignores unknown -Wno options
 563                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 564                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 565                 AC_TRY_COMPILE([],[
 566                                 return 0;
 567                 ], [
 568                    AC_MSG_RESULT(yes)
 569                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 570                 ], [
 571                    AC_MSG_RESULT(no)
 572                    CFLAGS=$ORIG_CFLAGS
 573                 ])
 574
 575                 if test "x$mono_cv_clang" = "xyes"; then
 576                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 577                    WARN="$WARN -Qunused-arguments"
 578                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 579                    # We rely on zero length arrays in structs
 580                    WARN="$WARN -Wno-zero-length-array"
 581                 fi
 582 else
 583         # The Sun Forte compiler complains about inline functions that access static variables
 584         # so disable all inlining.
 585         case "$host" in
 586         *-*-solaris*)
 587                 CFLAGS="$CFLAGS -Dinline="
 588                 ;;
 589         esac
 590 fi
 591 CFLAGS="$CFLAGS -g $WARN"
 592 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 593 CPPFLAGS="$CPPFLAGS -g $WARN"
 594
 595 # Where's the 'mcs' source tree?
 596 if test -d $srcdir/mcs; then
 597   mcsdir=mcs
 598 else
 599   mcsdir=../mcs
 600 fi
 601
 602 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 603         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 604                 mcsdir=$with_mcs_path
 605         fi
 606 )
 607
 608 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 609
 610 #
 611 # A sanity check to catch cases where the package was unpacked
 612 # with an ancient tar program (Solaris)
 613 #
 614 AC_ARG_ENABLE(solaris-tar-check,
 615 [  --disable-solaris-tar-check    disable solaris tar check],
 616    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 617
 618 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 619         AC_MSG_CHECKING(integrity of package)
 620         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 621         then
 622                 AC_MSG_RESULT(ok)
 623         else
 624                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 625                 AC_MSG_ERROR([$errorm])
 626         fi
 627 fi
 628
 629 if test "x$with_mcs_path" != "x"; then
 630 mcs_topdir=$(cd "$mcsdir" && pwd)
 631 mcs_topdir_from_srcdir=$mcs_topdir
 632 else
 633 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 634 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 635 fi
 636
 637 # Convert mcs_topdir* paths to Windows syntax.
 638 if test x$cross_compiling$host_win32 = xnoyes; then
 639   mcs_topdir=$(cygpath -m $mcs_topdir)
 640   case $mcs_topdir_from_srcdir in
 641     /cygdrive/*)
 642         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 643         ;;
 644   esac
 645 fi
 646
 647 AC_SUBST([mcs_topdir])
 648 AC_SUBST([mcs_topdir_from_srcdir])
 649
 650 # gettext: prepare the translation directories.
 651 # we do not configure the full gettext, as we consume it dynamically from C#
 652 AM_PO_SUBDIRS
 653
 654 if test "x$USE_NLS" = "xyes"; then
 655    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 656
 657    if test "x$HAVE_MSGFMT" = "xno"; then
 658           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 659    fi
 660 fi
 661
 662 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 663
 664 pkg_config_path=
 665 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 666         if test x$with_crosspkgdir = "x"; then
 667                 if test -s $PKG_CONFIG_PATH; then
 668                         pkg_config_path=$PKG_CONFIG_PATH
 669                 fi
 670         else
 671                 pkg_config_path=$with_crosspkgdir
 672                 PKG_CONFIG_PATH=$pkg_config_path
 673                 export PKG_CONFIG_PATH
 674         fi
 675 )
 676
 677 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 678 if test x$werror_flag = xyes; then
 679         WERROR_CFLAGS="-Werror"
 680 fi
 681 AC_SUBST([WERROR_CFLAGS])
 682 AC_SUBST([SHARED_CFLAGS])
 683
 684 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 685 AC_CONFIG_SUBDIRS(eglib)
 686
 687 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 688 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 689
 690 AC_SUBST(GLIB_CFLAGS)
 691 AC_SUBST(GLIB_LIBS)
 692
 693 # Enable support for fast thread-local storage
 694 # Some systems have broken support, so we allow to disable it.
 695 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 696
 697 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 698 # This does not work on some platforms (bug #55253)
 699 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 700
 701 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 702 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 703 # Same as --with-shared_mono=no
 704 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 705
 706 if test "x$enable_static" = "xno"; then
 707    with_static_mono=no
 708 fi
 709
 710 if test "x$enable_shared" = "xno"; then
 711    with_shared_mono=no
 712 fi
 713
 714 if test "x$enable_libraries" = "xno"; then
 715    with_shared_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 719
 720 case $host in
 721 *nacl* ) with_shared_mono=yes;;
 722 esac
 723
 724 if test "x$host_win32" = "xyes"; then
 725    # Boehm GC requires the runtime to be in its own dll
 726    with_static_mono=no
 727 fi
 728
 729 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 730 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 731 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 732
 733 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 734 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 735         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 736         ORIG_CFLAGS=$CFLAGS
 737         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 738         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 739         AC_TRY_COMPILE([], [
 740                 return 0;
 741         ], [
 742            AC_MSG_RESULT(yes)
 743            # Pass it to libgc as well
 744            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 745         ], [
 746            AC_MSG_RESULT(no)
 747            CFLAGS=$ORIG_CFLAGS
 748         ])
 749 fi
 750
 751 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 752
 753 if test x$enable_small_config = xyes; then
 754         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 755         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 756 fi
 757
 758 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 759
 760 DISABLED_FEATURES=none
 761
 762 #
 763 # Set the build profiles and options before things which use them
 764 #
 765
 766 AC_ARG_WITH(profile4_x,      [  --with-profile4_x=yes,no        If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 767 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 768 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 769 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 770 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 771 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 772 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 773 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 774
 775 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 776
 777 dnl
 778 dnl Profile defaults
 779 dnl
 780 TEST_PROFILE=default
 781 enable_llvm_default=no
 782
 783 with_profile4_x_default=no
 784 with_monodroid_default=no
 785 with_monotouch_default=no
 786 with_monotouch_watch_default=no
 787 with_monotouch_tv_default=no
 788 with_xammac_default=no
 789 with_mobile_static_default=no
 790
 791 with_bitcode_default=no
 792 with_cooperative_gc_default=no
 793
 794 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 795
 796 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 797    DISABLE_MCS_DOCS_default=yes
 798 elif test x$with_runtime_preset = xnet_4_x; then
 799    with_profile4_x_default=yes
 800 elif test x$with_runtime_preset = xall; then
 801    with_profile4_x_default=yes
 802    with_monodroid_default=yes
 803    with_monotouch_default=yes
 804    with_monotouch_watch_default=yes
 805    with_monotouch_tv_default=yes
 806    with_xammac_default=yes
 807 elif test x$with_runtime_preset = xmobile_static; then
 808    DISABLE_MCS_DOCS_default=yes
 809    with_mobile_static_default=yes
 810    TEST_PROFILE=mobile_static
 811
 812    mono_feature_disable_com='yes'
 813    mono_feature_disable_remoting='yes'
 814    mono_feature_disable_reflection_emit_save='yes'
 815    mono_feature_disable_reflection_emit='yes'
 816    mono_feature_disable_appdomains='yes'
 817
 818    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 819    AOT_RUN_FLAGS="--full-aot"
 820 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 821    DISABLE_MCS_DOCS_default=yes
 822    with_mobile_static_default=yes
 823    with_bitcode_default=yes
 824    with_cooperative_gc_default=yes
 825    TEST_PROFILE=mobile_static
 826    enable_llvm_default=yes
 827
 828    mono_feature_disable_com='yes'
 829    mono_feature_disable_remoting='yes'
 830    mono_feature_disable_reflection_emit_save='yes'
 831    mono_feature_disable_reflection_emit='yes'
 832    mono_feature_disable_appdomains='yes'
 833
 834    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 835    AOT_RUN_FLAGS="--llvmonly"
 836 elif test x$with_runtime_preset = xhybrid; then
 837    DISABLE_MCS_DOCS_default=yes
 838    with_mobile_default=yes
 839    TEST_PROFILE=mobile
 840    enable_llvm_default=yes
 841
 842    mono_feature_disable_com='yes'
 843    mono_feature_disable_remoting='yes'
 844    mono_feature_disable_appdomains='yes'
 845
 846    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 847    AOT_RUN_FLAGS="--hybrid-aot"
 848 else
 849    with_profile4_x_default=yes
 850 fi
 851
 852 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 853    AC_SUBST(AOT_BUILD_FLAGS)
 854    AC_SUBST(AOT_RUN_FLAGS)
 855    # For llvmonlycheck + fullaotcheck
 856    AC_SUBST(INVARIANT_AOT_OPTIONS)
 857 fi
 858
 859 AC_SUBST(TEST_PROFILE)
 860
 861 if test "x$with_profile4_x" = "xdefault"; then
 862    with_profile4_x=$with_profile4_x_default
 863 fi
 864 if test "x$with_monodroid" = "xdefault"; then
 865    with_monodroid=$with_monodroid_default
 866 fi
 867 if test "x$with_monotouch" = "xdefault"; then
 868    with_monotouch=$with_monotouch_default
 869 fi
 870 if test "x$with_monotouch_watch" = "xdefault"; then
 871    with_monotouch_watch=$with_monotouch_watch_default
 872 fi
 873 if test "x$with_monotouch_tv" = "xdefault"; then
 874    with_monotouch_tv=$with_monotouch_tv_default
 875 fi
 876 if test "x$with_bitcode" = "xdefault"; then
 877    with_bitcode=$with_bitcode_default
 878 fi
 879 if test "x$with_xammac" = "xdefault"; then
 880    with_xammac=$with_xammac_default
 881 fi
 882 if test "x$with_mobile_static" = "xdefault"; then
 883    with_mobile_static=$with_mobile_static_default
 884 fi
 885
 886 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 887 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 888 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 889 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 890 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 891 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 892 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 893 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 894
 895 AC_SUBST(INSTALL_MOBILE_STATIC)
 896
 897 default_profile=net_4_x
 898 if test -z "$INSTALL_MONODROID_TRUE"; then :
 899    default_profile=monodroid
 900 fi
 901 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 902    default_profile=monotouch
 903 fi
 904 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 905    default_profile=xammac
 906 fi
 907 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 908    default_profile=mobile_static
 909 fi
 910 if test -z "$INSTALL_4_x_TRUE"; then :
 911    default_profile=net_4_x
 912 fi
 913 DEFAULT_PROFILE=$default_profile
 914 AC_SUBST(DEFAULT_PROFILE)
 915
 916 #
 917 # End build profile configuration
 918 #
 919
 920 if test x$USE_NLS = xprofile_default; then
 921
 922 if test x$host_darwin = xyes; then
 923 # We make the default value for USE_NLS
 924 # "no" on OSX because it isn't available on most
 925 # default OSX installs. The most common configurations will
 926 # all disable it, so this saves us typing.
 927   USE_NLS=no
 928   AC_SUBST([USE_NLS])
 929   AC_MSG_RESULT([$USE_NLS])
 930 else
 931   USE_NLS=yes
 932   AC_SUBST([USE_NLS])
 933   AC_MSG_RESULT([$USE_NLS])
 934 fi
 935
 936 fi
 937
 938 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 939      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 940      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 941          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 942 [
 943         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 944                 eval "mono_feature_disable_$feature='yes'"
 945         done
 946         DISABLED_FEATURES=$enable_minimal
 947         disabled="Disabled:      $enable_minimal"
 948 ],[])
 949
 950 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 951
 952 if test "x$mono_feature_disable_aot" = "xyes"; then
 953         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 954         enable_system_aot=no
 955         AC_MSG_NOTICE([Disabled AOT compiler])
 956 fi
 957
 958 if test "x$mono_feature_disable_profiler" = "xyes"; then
 959         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 960         AC_MSG_NOTICE([Disabled support for the profiler])
 961 fi
 962 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 963
 964 if test "x$mono_feature_disable_decimal" = "xyes"; then
 965         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 966         AC_MSG_NOTICE([Disabled support for decimal])
 967 fi
 968
 969 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 970         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 971         AC_MSG_NOTICE([Disabled support for P/Invoke])
 972 fi
 973
 974 if test "x$mono_feature_disable_debug" = "xyes"; then
 975         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 976         AC_MSG_NOTICE([Disabled support for runtime debugging])
 977 fi
 978
 979 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 980         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 981         mono_feature_disable_reflection_emit_save=yes
 982         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 983 fi
 984
 985 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 986         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 987         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 988 fi
 989
 990 if test "x$mono_feature_disable_large_code" = "xyes"; then
 991         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 992         AC_MSG_NOTICE([Disabled support for large assemblies])
 993 fi
 994
 995 if test "x$mono_feature_disable_logging" = "xyes"; then
 996         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 997         AC_MSG_NOTICE([Disabled support for logging])
 998 fi
 999
1000 if test "x$mono_feature_disable_com" = "xyes"; then
1001         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1002         AC_MSG_NOTICE([Disabled COM support])
1003 fi
1004
1005 if test "x$mono_feature_disable_ssa" = "xyes"; then
1006         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1007         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1008 fi
1009
1010 if test "x$mono_feature_disable_generics" = "xyes"; then
1011         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1012         AC_MSG_NOTICE([Disabled Generics Support])
1013 fi
1014
1015 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1016         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1017         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1018 fi
1019
1020 if test "x$mono_feature_disable_portability" = "xyes"; then
1021         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1022         AC_MSG_NOTICE([Disabled IO Portability layer])
1023 fi
1024
1025 if test "x$mono_feature_disable_attach" = "xyes"; then
1026         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1027         AC_MSG_NOTICE([Disabled agent attach])
1028 fi
1029
1030 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1031         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1032         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1033 fi
1034
1035 if test "x$mono_feature_disable_verifier" = "xyes"; then
1036         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1037         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1038 fi
1039
1040 if test "x$mono_feature_disable_jit" = "xyes"; then
1041         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1042         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1043 fi
1044
1045 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1046
1047 if test "x$mono_feature_disable_simd" = "xyes"; then
1048         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1049         AC_MSG_NOTICE([Disabled SIMD support])
1050 fi
1051
1052 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1053         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1054         AC_MSG_NOTICE([Disabled Soft Debugger.])
1055 fi
1056
1057 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1058         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1059         AC_MSG_NOTICE([Disabled Performance Counters.])
1060 fi
1061 if test "x$mono_feature_disable_normalization" = "xyes"; then
1062         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1063         AC_MSG_NOTICE([Disabled String normalization support.])
1064 fi
1065
1066 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1067         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1068         AC_MSG_NOTICE([Disabled Assembly remapping.])
1069 fi
1070
1071 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1072         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1073         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1074 fi
1075
1076 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1077         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1078         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1079 fi
1080
1081 if test "x$mono_feature_disable_remoting" = "xyes"; then
1082         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1083         AC_MSG_NOTICE([Disabled remoting])
1084 fi
1085
1086 if test "x$mono_feature_disable_security" = "xyes"; then
1087         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1088         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1089 fi
1090
1091 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1092         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1093         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1094 fi
1095
1096 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1097         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1098         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1099 fi
1100
1101 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1102         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1103         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1104 fi
1105
1106 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1107         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1108         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1109 fi
1110
1111 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1112         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1113         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1114 fi
1115
1116 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1117 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1118
1119 has_extension_module=no
1120 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1121 [
1122         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1123                 if test x$extension = xdefault ; then
1124                         has_extension_module=yes;
1125                 fi
1126         done
1127         if test x$enable_extension_module = xyes; then
1128                 has_extension_module=yes;
1129         fi
1130 ], [])
1131
1132 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1133
1134 if test x$has_extension_module != xno ; then
1135         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1136         AC_MSG_NOTICE([Enabling mono extension module.])
1137 fi
1138
1139 # Deprecated
1140 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1141
1142 AC_MSG_CHECKING(for visibility __attribute__)
1143 AC_COMPILE_IFELSE([
1144         AC_LANG_SOURCE([[
1145                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1146                 int main () { doit (); return 0; }
1147         ]])
1148 ], [
1149    have_visibility_hidden=yes
1150    AC_MSG_RESULT(yes)
1151 ], [
1152    have_visibility_hidden=no
1153    AC_MSG_RESULT(no)
1154 ])
1155
1156 dnl
1157 dnl Boehm GC configuration
1158 dnl
1159
1160 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1161
1162 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1163 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1164
1165 if test "x$support_boehm" = "xyes"; then
1166
1167         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1168         if test x$enable_parallel_mark = xyes; then
1169                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1170         fi
1171
1172         gc_msg=""
1173         LIBGC_CPPFLAGS=
1174         LIBGC_LIBS=
1175         LIBGC_STATIC_LIBS=
1176         libgc_dir=
1177         case "x$libgc" in
1178                 xincluded)
1179                         if test "x$support_boehm" = "xyes"; then
1180                                 libgc_dir=libgc
1181                         fi
1182
1183                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1184                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1185                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1186
1187                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1188
1189                         if test x$target_win32 = xyes; then
1190                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1191                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1192                         fi
1193
1194                         gc_msg="Included Boehm GC with typed GC"
1195                         if test x$enable_parallel_mark = xyes; then
1196                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1197                                 gc_msg="$gc_msg and parallel mark"
1198                         else
1199                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1200                         fi
1201                         ;;
1202
1203                 xboehm|xbohem|xyes)
1204                         AC_MSG_WARN("External Boehm is no longer supported")
1205                         ;;
1206
1207                 xsgen)
1208                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1209                         ;;
1210
1211                 xnone)
1212                         AC_MSG_WARN("Compiling mono without GC.")
1213                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1214                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1215                         gc_msg="none"
1216                         ;;
1217                 *)
1218                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1219                         ;;
1220         esac
1221
1222         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1223         if test "x$large_heap" = "xyes"; then
1224            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1225         fi
1226
1227         AC_SUBST(LIBGC_CPPFLAGS)
1228         AC_SUBST(LIBGC_LIBS)
1229         AC_SUBST(LIBGC_STATIC_LIBS)
1230         AC_SUBST(libgc_dir)
1231         AC_SUBST(BOEHM_DEFINES)
1232
1233 fi
1234
1235 dnl
1236 dnl End of Boehm GC Configuration
1237 dnl
1238
1239 dnl *************************************
1240 dnl *** Checks for zero length arrays ***
1241 dnl *************************************
1242 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1243 AC_TRY_COMPILE([
1244         struct s {
1245                 int  length;
1246                 char data [0];
1247         };
1248 ], [], [
1249         AC_MSG_RESULT(yes)
1250         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1251 ], [
1252         AC_MSG_RESULT(no)
1253         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1254 ])
1255
1256 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1257
1258 dnl ***********************************
1259 dnl *** Checks for signals
1260 dnl ***********************************
1261 AC_CHECK_HEADERS(signal.h)
1262 AC_CHECK_FUNCS(sigaction)
1263 AC_CHECK_FUNCS(kill)
1264 AC_CHECK_FUNCS(signal)
1265
1266 # signal() is declared inline in Android headers
1267 # so we need to workaround it by overriding the check.
1268 if test x$platform_android = xyes; then
1269         AC_DEFINE(HAVE_SIGNAL,1)
1270 fi
1271
1272 if test x$host_win32 = xno; then
1273
1274         dnl hires monotonic clock support
1275         AC_SEARCH_LIBS(clock_gettime, rt)
1276         AC_CHECK_FUNCS(clock_nanosleep)
1277
1278         dnl dynamic loader support
1279         AC_CHECK_FUNC(dlopen, DL_LIB="",
1280                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1281         )
1282         if test x$dl_support = xno; then
1283                 AC_MSG_WARN([No dynamic loading support available])
1284         else
1285                 LIBS="$LIBS $DL_LIB"
1286                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1287                 dnl from glib's configure.ac
1288                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1289                         mono_cv_uscore,[
1290                         AC_TRY_RUN([#include <dlfcn.h>
1291                         int mono_underscore_test (void) { return 42; }
1292                         int main() {
1293                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1294                           handle = dlopen ((void*)0, 0);
1295                           if (handle) {
1296                             f1 = dlsym (handle, "mono_underscore_test");
1297                             f2 = dlsym (handle, "_mono_underscore_test");
1298                           } return (!f2 || f1);
1299                         }],
1300                                 [mono_cv_uscore=yes],
1301                                 [mono_cv_uscore=no],
1302                         [])
1303                 ])
1304                 if test "x$mono_cv_uscore" = "xyes"; then
1305                         MONO_DL_NEED_USCORE=1
1306                 else
1307                         MONO_DL_NEED_USCORE=0
1308                 fi
1309                 AC_SUBST(MONO_DL_NEED_USCORE)
1310                 AC_CHECK_FUNC(dlerror)
1311         fi
1312
1313         dnl ******************************************************************
1314         dnl *** Checks for the IKVM JNI interface library                  ***
1315         dnl ******************************************************************
1316         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])
1317
1318         ikvm_native_dir=
1319         if test x$with_ikvm_native = xyes; then
1320                 ikvm_native_dir=ikvm-native
1321                 jdk_headers_found="IKVM Native"
1322         fi
1323
1324         AC_SUBST(ikvm_native_dir)
1325
1326         AC_CHECK_HEADERS(execinfo.h)
1327
1328         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1329
1330         AC_CHECK_FUNCS(getgrgid_r)
1331         AC_CHECK_FUNCS(getgrnam_r)
1332         AC_CHECK_FUNCS(getpwnam_r)
1333         AC_CHECK_FUNCS(getpwuid_r)
1334         AC_CHECK_FUNCS(getresuid)
1335         AC_CHECK_FUNCS(setresuid)
1336         AC_CHECK_FUNCS(kqueue)
1337         AC_CHECK_FUNCS(backtrace_symbols)
1338         AC_CHECK_FUNCS(mkstemp)
1339         AC_CHECK_FUNCS(mmap)
1340         AC_CHECK_FUNCS(madvise)
1341         AC_CHECK_FUNCS(getrusage)
1342         AC_CHECK_FUNCS(getpriority)
1343         AC_CHECK_FUNCS(setpriority)
1344         AC_CHECK_FUNCS(dl_iterate_phdr)
1345         AC_CHECK_FUNCS(dladdr)
1346         AC_CHECK_FUNCS(sysconf)
1347         AC_CHECK_FUNCS(getrlimit)
1348         AC_CHECK_FUNCS(prctl)
1349
1350         AC_CHECK_FUNCS(sched_getaffinity)
1351         AC_CHECK_FUNCS(sched_setaffinity)
1352         AC_CHECK_FUNCS(sched_getcpu)
1353
1354         dnl ****************************************************************
1355         dnl *** Check for sched_setaffinity from glibc versions before   ***
1356         dnl *** 2.3.4. The older versions of the function only take 2    ***
1357         dnl *** parameters, not 3.                                       ***
1358         dnl ***                                                          ***
1359         dnl *** Because the interface change was not made in a minor     ***
1360         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1361         dnl *** won't always indicate the interface sched_affinity has.  ***
1362         dnl ****************************************************************
1363         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1364         AC_TRY_COMPILE([#include <sched.h>], [
1365             int mask = 1;
1366             sched_setaffinity(0, &mask);
1367                         return 0;
1368         ], [
1369                 # Yes, we have it...
1370                 AC_MSG_RESULT(yes)
1371                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1372         ], [
1373                 # We have the new, three-parameter version
1374                 AC_MSG_RESULT(no)
1375         ])
1376
1377
1378         dnl ******************************************************************
1379         dnl *** Check for large file support                               ***
1380         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1381         dnl ******************************************************************
1382
1383         # Check that off_t can represent 2**63 - 1 correctly, working around
1384         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1385         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1386         large_offt=no
1387         AC_DEFUN([LARGE_FILES], [
1388                 large_CPPFLAGS=$CPPFLAGS
1389                 CPPFLAGS="$CPPFLAGS $1"
1390                 AC_TRY_COMPILE([
1391                         #include <sys/types.h>
1392                         #include <limits.h>
1393                 ], [
1394                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1395                         #define COMPILE_TIME_ASSERT(pred) \
1396                                 switch(0){case 0:case pred:;}
1397                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1398                 ], [
1399                         AC_MSG_RESULT(ok)
1400                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1401                         large_CPPFLAGS="$large_CPPFLAGS $1"
1402                         large_offt=yes
1403                 ], [
1404                         AC_MSG_RESULT(no)
1405                 ])
1406                 CPPFLAGS=$large_CPPFLAGS
1407         ])
1408
1409         AC_MSG_CHECKING(if off_t is 64 bits wide)
1410         LARGE_FILES("")
1411         if test $large_offt = no; then
1412                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1413                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1414         fi
1415         if test $large_offt = no; then
1416                 AC_MSG_WARN([No 64 bit file size support available])
1417         fi
1418
1419         dnl *****************************
1420         dnl *** Checks for libsocket  ***
1421         dnl *****************************
1422         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1423
1424         case "$host" in
1425                 *-*-*freebsd*)
1426                         dnl *****************************
1427                         dnl *** Checks for libinotify ***
1428                         dnl *****************************
1429                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1430         esac
1431
1432         dnl *******************************
1433         dnl *** Checks for MSG_NOSIGNAL ***
1434         dnl *******************************
1435         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1436         AC_TRY_COMPILE([#include <sys/socket.h>], [
1437                 int f = MSG_NOSIGNAL;
1438         ], [
1439                 # Yes, we have it...
1440                 AC_MSG_RESULT(yes)
1441                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1442         ], [
1443                 # We'll have to use signals
1444                 AC_MSG_RESULT(no)
1445         ])
1446
1447         dnl *****************************
1448         dnl *** Checks for IPPROTO_IP ***
1449         dnl *****************************
1450         AC_MSG_CHECKING(for IPPROTO_IP)
1451         AC_TRY_COMPILE([#include <netinet/in.h>], [
1452                 int level = IPPROTO_IP;
1453         ], [
1454                 # Yes, we have it...
1455                 AC_MSG_RESULT(yes)
1456                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1457         ], [
1458                 # We'll have to use getprotobyname
1459                 AC_MSG_RESULT(no)
1460         ])
1461
1462         dnl *******************************
1463         dnl *** Checks for IPPROTO_IPV6 ***
1464         dnl *******************************
1465         AC_MSG_CHECKING(for IPPROTO_IPV6)
1466         AC_TRY_COMPILE([#include <netinet/in.h>], [
1467                 int level = IPPROTO_IPV6;
1468         ], [
1469                 # Yes, we have it...
1470                 AC_MSG_RESULT(yes)
1471                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1472         ], [
1473                 # We'll have to use getprotobyname
1474                 AC_MSG_RESULT(no)
1475         ])
1476
1477         dnl ******************************
1478         dnl *** Checks for IPPROTO_TCP ***
1479         dnl ******************************
1480         AC_MSG_CHECKING(for IPPROTO_TCP)
1481         AC_TRY_COMPILE([#include <netinet/in.h>], [
1482                 int level = IPPROTO_TCP;
1483         ], [
1484                 # Yes, we have it...
1485                 AC_MSG_RESULT(yes)
1486                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1487         ], [
1488                 # We'll have to use getprotobyname
1489                 AC_MSG_RESULT(no)
1490         ])
1491
1492         dnl *****************************
1493         dnl *** Checks for SOL_IP     ***
1494         dnl *****************************
1495         AC_MSG_CHECKING(for SOL_IP)
1496         AC_TRY_COMPILE([#include <netdb.h>], [
1497                 int level = SOL_IP;
1498         ], [
1499                 # Yes, we have it...
1500                 AC_MSG_RESULT(yes)
1501                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1502         ], [
1503                 # We'll have to use getprotobyname
1504                 AC_MSG_RESULT(no)
1505         ])
1506
1507         dnl *****************************
1508         dnl *** Checks for SOL_IPV6     ***
1509         dnl *****************************
1510         AC_MSG_CHECKING(for SOL_IPV6)
1511         AC_TRY_COMPILE([#include <netdb.h>], [
1512                 int level = SOL_IPV6;
1513         ], [
1514                 # Yes, we have it...
1515                 AC_MSG_RESULT(yes)
1516                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1517         ], [
1518                 # We'll have to use getprotobyname
1519                 AC_MSG_RESULT(no)
1520         ])
1521
1522         dnl *****************************
1523         dnl *** Checks for SOL_TCP    ***
1524         dnl *****************************
1525         AC_MSG_CHECKING(for SOL_TCP)
1526         AC_TRY_COMPILE([#include <netdb.h>], [
1527                 int level = SOL_TCP;
1528         ], [
1529                 # Yes, we have it...
1530                 AC_MSG_RESULT(yes)
1531                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1532         ], [
1533                 # We'll have to use getprotobyname
1534                 AC_MSG_RESULT(no)
1535         ])
1536
1537         dnl *****************************
1538         dnl *** Checks for IP_PKTINFO ***
1539         dnl *****************************
1540         AC_MSG_CHECKING(for IP_PKTINFO)
1541         AC_TRY_COMPILE([#include <linux/in.h>], [
1542                 int level = IP_PKTINFO;
1543         ], [
1544                 # Yes, we have it...
1545                 AC_MSG_RESULT(yes)
1546                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1547         ], [
1548                 AC_MSG_RESULT(no)
1549         ])
1550
1551         dnl *****************************
1552         dnl *** Checks for IPV6_PKTINFO ***
1553         dnl *****************************
1554         AC_MSG_CHECKING(for IPV6_PKTINFO)
1555         AC_TRY_COMPILE([#include <netdb.h>], [
1556                 int level = IPV6_PKTINFO;
1557         ], [
1558                 # Yes, we have it...
1559                 AC_MSG_RESULT(yes)
1560                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1561         ], [
1562                 AC_MSG_RESULT(no)
1563         ])
1564
1565         dnl **********************************
1566         dnl *** Checks for IP_DONTFRAG     ***
1567         dnl **********************************
1568         AC_MSG_CHECKING(for IP_DONTFRAG)
1569         AC_TRY_COMPILE([#include <netinet/in.h>], [
1570                 int level = IP_DONTFRAG;
1571         ], [
1572                 # Yes, we have it...
1573                 AC_MSG_RESULT(yes)
1574                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1575         ], [
1576                 AC_MSG_RESULT(no)
1577         ])
1578
1579         dnl **********************************
1580         dnl *** Checks for IP_DONTFRAGMENT ***
1581         dnl **********************************
1582         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1583         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1584                 int level = IP_DONTFRAGMENT;
1585         ], [
1586                 # Yes, we have it...
1587                 AC_MSG_RESULT(yes)
1588                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1589         ], [
1590                 AC_MSG_RESULT(no)
1591         ])
1592
1593         dnl **********************************
1594         dnl *** Checks for IP_MTU_DISCOVER ***
1595         dnl **********************************
1596         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1597         AC_TRY_COMPILE([#include <linux/in.h>], [
1598                 int level = IP_MTU_DISCOVER;
1599         ], [
1600                 # Yes, we have it...
1601                 AC_MSG_RESULT(yes)
1602                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1603         ], [
1604                 AC_MSG_RESULT(no)
1605         ])
1606
1607         dnl **********************************
1608         dnl *** Checks for  IP_PMTUDISC_DO ***
1609         dnl **********************************
1610         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1611         AC_TRY_COMPILE([#include <linux/in.h>], [
1612                 int level = IP_PMTUDISC_DO;
1613         ], [
1614                 # Yes, we have it...
1615                 AC_MSG_RESULT(yes)
1616                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1617         ], [
1618                 AC_MSG_RESULT(no)
1619         ])
1620
1621         dnl *********************************
1622         dnl *** Check for struct ip_mreqn ***
1623         dnl *********************************
1624         AC_MSG_CHECKING(for struct ip_mreqn)
1625         AC_TRY_COMPILE([#include <netinet/in.h>], [
1626                 struct ip_mreqn mreq;
1627                 mreq.imr_address.s_addr = 0;
1628         ], [
1629                 # Yes, we have it...
1630                 AC_MSG_RESULT(yes)
1631                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1632         ], [
1633                 # We'll just have to try and use struct ip_mreq
1634                 AC_MSG_RESULT(no)
1635                 AC_MSG_CHECKING(for struct ip_mreq)
1636                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1637                         struct ip_mreq mreq;
1638                         mreq.imr_interface.s_addr = 0;
1639                 ], [
1640                         # Yes, we have it...
1641                         AC_MSG_RESULT(yes)
1642                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1643                 ], [
1644                         # No multicast support
1645                         AC_MSG_RESULT(no)
1646                 ])
1647         ])
1648
1649         dnl **********************************
1650         dnl *** Check for getaddrinfo ***
1651         dnl **********************************
1652         AC_MSG_CHECKING(for getaddrinfo)
1653                 AC_TRY_LINK([
1654                 #include <stdio.h>
1655                 #include <netdb.h>
1656         ], [
1657                 getaddrinfo(NULL,NULL,NULL,NULL);
1658         ], [
1659                 # Yes, we have it...
1660                 AC_MSG_RESULT(yes)
1661                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1662         ], [
1663                 AC_MSG_RESULT(no)
1664         ])
1665
1666         dnl **********************************
1667         dnl *** Check for gethostbyname2_r ***
1668         dnl **********************************
1669         AC_MSG_CHECKING(for gethostbyname2_r)
1670                 AC_TRY_LINK([
1671                 #include <stdio.h>
1672                 #include <netdb.h>
1673         ], [
1674
1675                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1676         ], [
1677                 # Yes, we have it...
1678                 AC_MSG_RESULT(yes)
1679                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1680         ], [
1681                 AC_MSG_RESULT(no)
1682         ])
1683
1684         dnl **********************************
1685         dnl *** Check for gethostbyname2 ***
1686         dnl **********************************
1687         AC_MSG_CHECKING(for gethostbyname2)
1688                 AC_TRY_LINK([
1689                 #include <stdio.h>
1690                 #include <netdb.h>
1691         ], [
1692                 gethostbyname2(NULL,0);
1693         ], [
1694                 # Yes, we have it...
1695                 AC_MSG_RESULT(yes)
1696                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1697         ], [
1698                 AC_MSG_RESULT(no)
1699         ])
1700
1701         dnl **********************************
1702         dnl *** Check for gethostbyname ***
1703         dnl **********************************
1704         AC_MSG_CHECKING(for gethostbyname)
1705                 AC_TRY_LINK([
1706                 #include <stdio.h>
1707                 #include <netdb.h>
1708         ], [
1709                 gethostbyname(NULL);
1710         ], [
1711                 # Yes, we have it...
1712                 AC_MSG_RESULT(yes)
1713                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1714         ], [
1715                 AC_MSG_RESULT(no)
1716         ])
1717
1718         dnl **********************************
1719         dnl *** Check for getprotobyname ***
1720         dnl **********************************
1721         AC_MSG_CHECKING(for getprotobyname)
1722                 AC_TRY_LINK([
1723                 #include <stdio.h>
1724                 #include <netdb.h>
1725         ], [
1726                 getprotobyname(NULL);
1727         ], [
1728                 # Yes, we have it...
1729                 AC_MSG_RESULT(yes)
1730                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1731         ], [
1732                 AC_MSG_RESULT(no)
1733         ])
1734
1735         dnl **********************************
1736         dnl *** Check for getnameinfo ***
1737         dnl **********************************
1738         AC_MSG_CHECKING(for getnameinfo)
1739                 AC_TRY_LINK([
1740                 #include <stdio.h>
1741                 #include <netdb.h>
1742         ], [
1743                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1744         ], [
1745                 # Yes, we have it...
1746                 AC_MSG_RESULT(yes)
1747                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1748         ], [
1749                 AC_MSG_RESULT(no)
1750         ])
1751
1752
1753         dnl **********************************
1754         dnl *** Check for inet_ntop ***
1755         dnl **********************************
1756         AC_MSG_CHECKING(for inet_ntop)
1757                 AC_TRY_LINK([
1758                 #include <stdio.h>
1759                 #include <arpa/inet.h>
1760         ], [
1761                 inet_ntop (0, NULL, NULL, 0);
1762         ], [
1763                 # Yes, we have it...
1764                 AC_MSG_RESULT(yes)
1765                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1766         ], [
1767                 AC_MSG_RESULT(no)
1768         ])
1769
1770         dnl *****************************
1771         dnl *** Checks for libnsl     ***
1772         dnl *****************************
1773         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1774
1775         AC_CHECK_FUNCS(inet_pton inet_aton)
1776
1777         dnl *****************************
1778         dnl *** Checks for libxnet    ***
1779         dnl *****************************
1780         case "${host}" in
1781                 *solaris* )
1782                         AC_MSG_CHECKING(for Solaris XPG4 support)
1783                         if test -f /usr/lib/libxnet.so; then
1784                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1785                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1786                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1787                                 LIBS="$LIBS -lxnet"
1788                                 AC_MSG_RESULT(yes)
1789                         else
1790                                 AC_MSG_RESULT(no)
1791                         fi
1792
1793                         if test "$GCC" = "yes"; then
1794                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1795                         fi
1796                 ;;
1797         esac
1798
1799         dnl *****************************
1800         dnl *** Checks for libpthread ***
1801         dnl *****************************
1802 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1803 # and libpthread does not exist
1804 #
1805         case "${host}" in
1806                 *-*-*freebsd*)
1807                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1808                 ;;
1809                 *-*-*openbsd*)
1810                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1811                 ;;
1812                 *)
1813                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1814                 ;;
1815         esac
1816         AC_CHECK_HEADERS(pthread.h)
1817         AC_CHECK_HEADERS(pthread_np.h)
1818         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1819         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1820         AC_CHECK_FUNCS(pthread_kill)
1821         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1822         AC_TRY_COMPILE([ #include <pthread.h>], [
1823                 pthread_mutexattr_t attr;
1824                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1825         ], [
1826                 AC_MSG_RESULT(ok)
1827         ], [
1828                 AC_MSG_RESULT(no)
1829                 AC_ERROR(Posix system lacks support for recursive mutexes)
1830         ])
1831         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1832         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1833         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1834
1835         dnl **********************************
1836         dnl *** Check for mincore ***
1837         dnl **********************************
1838         AC_MSG_CHECKING(for mincore)
1839                 AC_TRY_LINK([
1840                 #include <stdio.h>
1841                 #include <sys/types.h>
1842                 #include <sys/mman.h>
1843         ], [
1844                 mincore(NULL, 0, NULL);
1845         ], [
1846                 # Yes, we have it...
1847                 AC_MSG_RESULT(yes)
1848                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1849         ], [
1850                 AC_MSG_RESULT(no)
1851         ])
1852
1853         dnl ***********************************
1854         dnl *** Checks for working __thread ***
1855         dnl ***********************************
1856         AC_MSG_CHECKING(for working __thread)
1857         if test "x$with_tls" != "x__thread"; then
1858                 AC_MSG_RESULT(disabled)
1859         elif test "x$cross_compiling" = "xyes"; then
1860                 AC_MSG_RESULT(cross compiling, assuming yes)
1861         else
1862                 AC_TRY_RUN([
1863                         #if defined(__APPLE__) && defined(__clang__)
1864                         #error "__thread does not currently work with clang on Mac OS X"
1865                         #endif
1866
1867                         #include <pthread.h>
1868                         __thread int i;
1869                         static int res1, res2;
1870
1871                         void thread_main (void *arg)
1872                         {
1873                                 i = arg;
1874                                 sleep (1);
1875                                 if (arg == 1)
1876                                         res1 = (i == arg);
1877                                 else
1878                                         res2 = (i == arg);
1879                         }
1880
1881                         int main () {
1882                                 pthread_t t1, t2;
1883
1884                                 i = 5;
1885
1886                                 pthread_create (&t1, NULL, thread_main, 1);
1887                                 pthread_create (&t2, NULL, thread_main, 2);
1888
1889                                 pthread_join (t1, NULL);
1890                                 pthread_join (t2, NULL);
1891
1892                                 return !(res1 + res2 == 2);
1893                         }
1894                 ], [
1895                                 AC_MSG_RESULT(yes)
1896                 ], [
1897                                 AC_MSG_RESULT(no)
1898                                 with_tls=pthread
1899                 ])
1900         fi
1901
1902         dnl **************************************
1903         dnl *** Checks for working sigaltstack ***
1904         dnl **************************************
1905         AC_MSG_CHECKING(for working sigaltstack)
1906         if test "x$with_sigaltstack" != "xyes"; then
1907                 AC_MSG_RESULT(disabled)
1908         elif test "x$cross_compiling" = "xyes"; then
1909                 AC_MSG_RESULT(cross compiling, assuming yes)
1910         else
1911                 AC_TRY_RUN([
1912                         #include <stdio.h>
1913                         #include <stdlib.h>
1914                         #include <unistd.h>
1915                         #include <signal.h>
1916                         #include <pthread.h>
1917                         #include <sys/wait.h>
1918                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1919                         #define SA_STACK SA_ONSTACK
1920                         #endif
1921                         static void
1922                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1923                         {
1924                                 exit (0);
1925                         }
1926
1927                         volatile char*__ptr = NULL;
1928                         static void *
1929                         loop (void *ignored)
1930                         {
1931                                 *__ptr = 0;
1932                                 return NULL;
1933                         }
1934
1935                         static void
1936                         child ()
1937                         {
1938                                 struct sigaction sa;
1939                         #ifdef __APPLE__
1940                                 stack_t sas;
1941                         #else
1942                                 struct sigaltstack sas;
1943                         #endif
1944                                 pthread_t id;
1945                                 pthread_attr_t attr;
1946
1947                                 sa.sa_sigaction = sigsegv_signal_handler;
1948                                 sigemptyset (&sa.sa_mask);
1949                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1950                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1951                                         perror ("sigaction");
1952                                         return;
1953                                 }
1954
1955                                 /* x86 darwin deliver segfaults using SIGBUS */
1956                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1957                                         perror ("sigaction");
1958                                         return;
1959                                 }
1960                                 sas.ss_sp = malloc (SIGSTKSZ);
1961                                 sas.ss_size = SIGSTKSZ;
1962                                 sas.ss_flags = 0;
1963                                 if (sigaltstack (&sas, NULL) == -1) {
1964                                         perror ("sigaltstack");
1965                                         return;
1966                                 }
1967
1968                                 pthread_attr_init (&attr);
1969                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1970                                         printf ("pthread_create\n");
1971                                         return;
1972                                 }
1973
1974                                 sleep (100);
1975                         }
1976
1977                         int
1978                         main ()
1979                         {
1980                                 pid_t son;
1981                                 int status;
1982                                 int i;
1983
1984                                 son = fork ();
1985                                 if (son == -1) {
1986                                         return 1;
1987                                 }
1988
1989                                 if (son == 0) {
1990                                         child ();
1991                                         return 0;
1992                                 }
1993
1994                                 for (i = 0; i < 300; ++i) {
1995                                         waitpid (son, &status, WNOHANG);
1996                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1997                                                 return 0;
1998                                         usleep (10000);
1999                                 }
2000
2001                                 kill (son, SIGKILL);
2002                                 return 1;
2003                         }
2004
2005                 ], [
2006                                 AC_MSG_RESULT(yes)
2007                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2008                 ], [
2009                                 with_sigaltstack=no
2010                                 AC_MSG_RESULT(no)
2011                 ])
2012         fi
2013
2014         dnl ********************************
2015         dnl *** Checks for semaphore lib ***
2016         dnl ********************************
2017         # 'Real Time' functions on Solaris
2018         # posix4 on Solaris 2.6
2019         # pthread (first!) on Linux
2020         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2021
2022         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2023         AC_CHECK_FUNCS(shm_open)
2024
2025         dnl ********************************
2026         dnl *** Checks for timezone stuff **
2027         dnl ********************************
2028         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2029                 AC_TRY_COMPILE([
2030                         #include <time.h>
2031                         ], [
2032                         struct tm tm;
2033                         tm.tm_gmtoff = 1;
2034                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2035         if test $ac_cv_struct_tm_gmtoff = yes; then
2036                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2037         else
2038                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2039                         AC_TRY_COMPILE([
2040                                 #include <time.h>
2041                         ], [
2042                                 timezone = 1;
2043                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2044                 if test $ac_cv_var_timezone = yes; then
2045                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2046                 else
2047                         AC_ERROR(unable to find a way to determine timezone)
2048                 fi
2049         fi
2050
2051         dnl *********************************
2052         dnl *** Checks for math functions ***
2053         dnl *********************************
2054         AC_SEARCH_LIBS(sqrtf, m)
2055         if test "x$has_broken_apple_cpp" != "xyes"; then
2056                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2057                         AC_TRY_LINK([#include <math.h>],
2058                         [ finite(0.0); ],
2059                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2060                         AC_MSG_RESULT(no)))
2061         fi
2062         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2063                 AC_TRY_LINK([#include <math.h>],
2064                 [ isfinite(0.0); ],
2065                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2066                 AC_MSG_RESULT(no)))
2067
2068         dnl ****************************************************************
2069         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2070         dnl *** have it in the library (duh))                            ***
2071         dnl ****************************************************************
2072         AC_CHECK_FUNCS(poll)
2073
2074         dnl *************************
2075         dnl *** Check for signbit ***
2076         dnl *************************
2077         AC_MSG_CHECKING(for signbit)
2078         AC_TRY_LINK([#include <math.h>], [
2079                 int s = signbit(1.0);
2080         ], [
2081                 AC_MSG_RESULT(yes)
2082                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2083         ], [
2084                 AC_MSG_RESULT(no)
2085         ])
2086
2087         dnl **********************************
2088         dnl *** epoll                      ***
2089         dnl **********************************
2090         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2091                 AC_CHECK_HEADERS(sys/epoll.h)
2092                 haveepoll=no
2093                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2094                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2095                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2096                 fi
2097         fi
2098
2099         havekqueue=no
2100
2101         AC_CHECK_HEADERS(sys/event.h)
2102         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2103
2104         dnl **************************************
2105         dnl * Darwin has a race that prevents us from using reliably:
2106         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2107         dnl * Since kqueue is mostly used for scaling large web servers,
2108         dnl * and very few folks run Mono on large web servers on OSX, falling
2109         dnl * back
2110         dnl **************************************
2111         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2112                 if test "x$host_darwin" = "xno"; then
2113                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2114                 fi
2115         fi
2116
2117         dnl ******************************
2118         dnl *** Checks for SIOCGIFCONF ***
2119         dnl ******************************
2120         AC_CHECK_HEADERS(sys/ioctl.h)
2121         AC_CHECK_HEADERS(net/if.h, [], [],
2122            [
2123            #ifdef HAVE_SYS_TYPES_H
2124            # include <sys/types.h>
2125            #endif
2126            #ifdef HAVE_SYS_SOCKET_H
2127            # include <sys/socket.h>
2128            #endif
2129            ])
2130         AC_MSG_CHECKING(for ifreq)
2131         AC_TRY_COMPILE([
2132                 #include <stdio.h>
2133                 #include <sys/ioctl.h>
2134                 #include <net/if.h>
2135                 ], [
2136                 struct ifconf ifc;
2137                 struct ifreq *ifr;
2138                 void *x;
2139                 ifc.ifc_len = 0;
2140                 ifc.ifc_buf = NULL;
2141                 x = (void *) &ifr->ifr_addr;
2142                 ],[
2143                         AC_MSG_RESULT(yes)
2144                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2145                 ], [
2146                         AC_MSG_RESULT(no)
2147                 ])
2148         dnl **********************************
2149         dnl ***     Checks for sin_len     ***
2150         dnl **********************************
2151         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2152         AC_TRY_COMPILE([
2153                 #include <netinet/in.h>
2154                 ], [
2155                 struct sockaddr_in saddr;
2156                 saddr.sin_len = sizeof (saddr);
2157                 ],[
2158                         AC_MSG_RESULT(yes)
2159                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2160                 ], [
2161                         AC_MSG_RESULT(no)
2162                 ])
2163         dnl **********************************
2164         dnl ***    Checks for sin6_len     ***
2165         dnl **********************************
2166         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2167         AC_TRY_COMPILE([
2168                 #include <netinet/in.h>
2169                 ], [
2170                 struct sockaddr_in6 saddr6;
2171                 saddr6.sin6_len = sizeof (saddr6);
2172                 ],[
2173                         AC_MSG_RESULT(yes)
2174                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2175                 ], [
2176                         AC_MSG_RESULT(no)
2177                 ])
2178         dnl **********************************
2179         dnl *** Check for getifaddrs       ***
2180         dnl **********************************
2181         AC_MSG_CHECKING(for getifaddrs)
2182                 AC_TRY_LINK([
2183                 #include <stdio.h>
2184                 #include <sys/types.h>
2185                 #include <sys/socket.h>
2186                 #include <ifaddrs.h>
2187         ], [
2188                 getifaddrs(NULL);
2189         ], [
2190                 # Yes, we have it...
2191                 AC_MSG_RESULT(yes)
2192                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2193         ], [
2194                 AC_MSG_RESULT(no)
2195         ])
2196         dnl **********************************
2197         dnl *** Check for if_nametoindex   ***
2198         dnl **********************************
2199         AC_MSG_CHECKING(for if_nametoindex)
2200                 AC_TRY_LINK([
2201                 #include <stdio.h>
2202                 #include <sys/types.h>
2203                 #include <sys/socket.h>
2204                 #include <net/if.h>
2205         ], [
2206                 if_nametoindex(NULL);
2207         ], [
2208                 # Yes, we have it...
2209                 AC_MSG_RESULT(yes)
2210                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2211         ], [
2212                 AC_MSG_RESULT(no)
2213         ])
2214
2215         dnl **********************************
2216         dnl *** Checks for MonoPosixHelper ***
2217         dnl **********************************
2218         AC_CHECK_HEADERS(checklist.h)
2219         AC_CHECK_HEADERS(pathconf.h)
2220         AC_CHECK_HEADERS(fstab.h)
2221         AC_CHECK_HEADERS(attr/xattr.h)
2222         AC_CHECK_HEADERS(sys/extattr.h)
2223         AC_CHECK_HEADERS(sys/sendfile.h)
2224         AC_CHECK_HEADERS(sys/statvfs.h)
2225         AC_CHECK_HEADERS(sys/statfs.h)
2226         AC_CHECK_HEADERS(sys/vfstab.h)
2227         AC_CHECK_HEADERS(sys/xattr.h)
2228         AC_CHECK_HEADERS(sys/mman.h)
2229         AC_CHECK_HEADERS(sys/param.h)
2230         AC_CHECK_HEADERS(sys/mount.h, [], [],
2231                 [
2232                 #ifdef HAVE_SYS_PARAM_H
2233                 # include <sys/param.h>
2234                 #endif
2235                 ])
2236         AC_CHECK_HEADERS(sys/mount.h)
2237         AC_CHECK_FUNCS(confstr)
2238         AC_CHECK_FUNCS(seekdir telldir)
2239         AC_CHECK_FUNCS(getdomainname)
2240         AC_CHECK_FUNCS(setdomainname)
2241         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2242         AC_CHECK_FUNCS(setgroups)
2243         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2244         AC_CHECK_FUNCS(getfsstat)
2245         AC_CHECK_FUNCS(lutimes futimes)
2246         AC_CHECK_FUNCS(mremap)
2247         AC_CHECK_FUNCS(remap_file_pages)
2248         AC_CHECK_FUNCS(posix_fadvise)
2249         AC_CHECK_FUNCS(posix_fallocate)
2250         AC_CHECK_FUNCS(posix_madvise)
2251         AC_CHECK_FUNCS(vsnprintf)
2252         AC_CHECK_FUNCS(sendfile)
2253         AC_CHECK_FUNCS(gethostid sethostid)
2254         AC_CHECK_FUNCS(sethostname)
2255         AC_CHECK_FUNCS(statfs)
2256         AC_CHECK_FUNCS(fstatfs)
2257         AC_CHECK_FUNCS(statvfs)
2258         AC_CHECK_FUNCS(fstatvfs)
2259         AC_CHECK_FUNCS(stime)
2260         AC_CHECK_FUNCS(strerror_r)
2261         AC_CHECK_FUNCS(ttyname_r)
2262         AC_CHECK_FUNCS(psignal)
2263         AC_CHECK_FUNCS(getlogin_r)
2264         AC_CHECK_FUNCS(lockf)
2265         AC_CHECK_FUNCS(swab)
2266         AC_CHECK_FUNCS(setusershell endusershell)
2267         AC_CHECK_FUNCS(futimens utimensat)
2268         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2269         AC_CHECK_FUNCS(readv writev preadv pwritev)
2270         AC_CHECK_FUNCS(setpgid)
2271         AC_CHECK_FUNCS(system)
2272         AC_CHECK_FUNCS(fork execv execve)
2273         AC_CHECK_FUNCS(accept4)
2274         AC_CHECK_SIZEOF(size_t)
2275         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2276                 [#include <sys/types.h>
2277                  #include <sys/stat.h>
2278                  #include <unistd.h>])
2279         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2280                 [#include <sys/types.h>
2281                  #include <sys/stat.h>
2282                  #include <unistd.h>])
2283         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2284                 [#include <sys/time.h>])
2285         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2286                 [#include <sys/socket.h>])
2287         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2288                 [#include <unistd.h>
2289                  #include <fcntl.h>])
2290         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2291                 [#include <sys/uio.h>])
2292         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2293                 [#include <sys/socket.h>])
2294         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2295                 [#include <sys/poll.h>])
2296         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2297                 [#include <sys/socket.h>])
2298         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2299                 [#include <sys/socket.h>])
2300         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2301                 [#include <netinet/in.h>])
2302         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2303                 [#include <netinet/in.h>])
2304         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2305                 [#include <sys/un.h>])
2306         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2307                 [#include <sys/types.h>
2308                  #include <sys/stat.h>
2309                  #include <unistd.h>])
2310         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2311                 [#include <time.h>])
2312         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2313                 [#include <sys/time.h>
2314                  #include <sys/types.h>
2315                  #include <utime.h>])
2316         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2317                 [#include <sys/time.h>])
2318         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2319                 [#include <sys/types.h>
2320                  #include <utime.h>])
2321         AC_CHECK_MEMBERS(
2322                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2323                 [#include <sys/types.h>
2324                  #include <dirent.h>])
2325         AC_CHECK_MEMBERS(
2326                 [struct passwd.pw_gecos],,,
2327                 [#include <sys/types.h>
2328                  #include <pwd.h>])
2329         AC_CHECK_MEMBERS(
2330                 [struct statfs.f_flags],,,
2331                 [#include <sys/types.h>
2332                  #include <sys/vfs.h>])
2333         AC_CHECK_MEMBERS(
2334                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2335                 [#include <sys/types.h>
2336                  #include <sys/stat.h>
2337                  #include <unistd.h>])
2338
2339         dnl Favour xattr through glibc, but use libattr if we have to
2340         AC_CHECK_FUNC(lsetxattr, ,
2341                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2342         )
2343         AC_SUBST(XATTR_LIB)
2344
2345         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2346         AC_CHECK_MEMBERS(
2347                 [struct kinfo_proc.kp_proc],,,
2348                 [#include <sys/types.h>
2349                  #include <sys/param.h>
2350                  #include <sys/sysctl.h>
2351                  #include <sys/proc.h>
2352                  ])
2353
2354         dnl *********************************
2355         dnl *** Checks for Windows compilation ***
2356         dnl *********************************
2357         AC_CHECK_HEADERS(sys/time.h)
2358         AC_CHECK_HEADERS(sys/param.h)
2359         AC_CHECK_HEADERS(dirent.h)
2360
2361         dnl ******************************************
2362         dnl *** Checks for OSX and iOS compilation ***
2363         dnl ******************************************
2364         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2365
2366         dnl *********************************
2367         dnl *** Check for Console 2.0 I/O ***
2368         dnl *********************************
2369         AC_CHECK_HEADERS([curses.h])
2370         AC_CHECK_HEADERS([term.h], [], [],
2371         [#if HAVE_CURSES_H
2372          #include <curses.h>
2373          #endif
2374         ])
2375         AC_CHECK_HEADERS([termios.h])
2376 else
2377         dnl *********************************
2378         dnl *** Checks for Windows compilation ***
2379         dnl *********************************
2380         AC_CHECK_HEADERS(winternl.h)
2381
2382         jdk_headers_found=no
2383         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2384         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2385         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2386         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2387         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2388         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2389         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2390
2391         dnl *********************************
2392         dnl *** Check for struct ip_mreqn ***
2393         dnl *********************************
2394         AC_MSG_CHECKING(for struct ip_mreqn)
2395         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2396                 struct ip_mreqn mreq;
2397                 mreq.imr_address.s_addr = 0;
2398         ], [
2399                 # Yes, we have it...
2400                 AC_MSG_RESULT(yes)
2401                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2402         ], [
2403                 # We'll just have to try and use struct ip_mreq
2404                 AC_MSG_RESULT(no)
2405                 AC_MSG_CHECKING(for struct ip_mreq)
2406                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2407                         struct ip_mreq mreq;
2408                         mreq.imr_interface.s_addr = 0;
2409                 ], [
2410                         # Yes, we have it...
2411                         AC_MSG_RESULT(yes)
2412                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2413                 ], [
2414                         # No multicast support
2415                         AC_MSG_RESULT(no)
2416                 ])
2417         ])
2418
2419         dnl **********************************
2420         dnl *** Check for getaddrinfo ***
2421         dnl **********************************
2422         AC_MSG_CHECKING(for getaddrinfo)
2423                 AC_TRY_LINK([
2424                 #include <stdio.h>
2425                 #include <winsock2.h>
2426                 #include <ws2tcpip.h>
2427         ], [
2428                 getaddrinfo(NULL,NULL,NULL,NULL);
2429         ], [
2430                 # Yes, we have it...
2431                 AC_MSG_RESULT(yes)
2432                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2433         ], [
2434                 AC_MSG_RESULT(no)
2435         ])
2436
2437         dnl **********************************
2438         dnl *** Check for gethostbyname ***
2439         dnl **********************************
2440         AC_MSG_CHECKING(for gethostbyname)
2441                 AC_TRY_LINK([
2442                 #include <stdio.h>
2443                 #include <winsock2.h>
2444                 #include <ws2tcpip.h>
2445         ], [
2446                 gethostbyname(NULL);
2447         ], [
2448                 # Yes, we have it...
2449                 AC_MSG_RESULT(yes)
2450                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2451         ], [
2452                 AC_MSG_RESULT(no)
2453         ])
2454
2455         dnl **********************************
2456         dnl *** Check for getprotobyname ***
2457         dnl **********************************
2458         AC_MSG_CHECKING(for getprotobyname)
2459                 AC_TRY_LINK([
2460                 #include <stdio.h>
2461                 #include <winsock2.h>
2462                 #include <ws2tcpip.h>
2463         ], [
2464                 getprotobyname(NULL);
2465         ], [
2466                 # Yes, we have it...
2467                 AC_MSG_RESULT(yes)
2468                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2469         ], [
2470                 AC_MSG_RESULT(no)
2471         ])
2472
2473         dnl **********************************
2474         dnl *** Check for getnameinfo ***
2475         dnl **********************************
2476         AC_MSG_CHECKING(for getnameinfo)
2477                 AC_TRY_LINK([
2478                 #include <stdio.h>
2479                 #include <winsock2.h>
2480                 #include <ws2tcpip.h>
2481         ], [
2482                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2483         ], [
2484                 # Yes, we have it...
2485                 AC_MSG_RESULT(yes)
2486                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2487         ], [
2488                 AC_MSG_RESULT(no)
2489         ])
2490
2491         dnl **********************************
2492         dnl *** Check for inet_ntop ***
2493         dnl **********************************
2494         AC_MSG_CHECKING(for inet_ntop)
2495                 AC_TRY_LINK([
2496                 #include <stdio.h>
2497                 #include <winsock2.h>
2498                 #include <ws2tcpip.h>
2499         ], [
2500                 inet_ntop (0, NULL, NULL, 0);
2501         ], [
2502                 # Yes, we have it...
2503                 AC_MSG_RESULT(yes)
2504                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2505         ], [
2506                 AC_MSG_RESULT(no)
2507         ])
2508
2509         dnl **********************************
2510         dnl *** Check for inet_pton ***
2511         dnl **********************************
2512         AC_MSG_CHECKING(for inet_pton)
2513                 AC_TRY_LINK([
2514                 #include <stdio.h>
2515                 #include <winsock2.h>
2516                 #include <ws2tcpip.h>
2517         ], [
2518                 #ifndef inet_pton
2519                 (void) inet_pton;
2520                 #endif
2521                 inet_pton (0, NULL, NULL);
2522         ], [
2523                 # Yes, we have it...
2524                 AC_MSG_RESULT(yes)
2525                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2526         ], [
2527                 AC_MSG_RESULT(no)
2528         ])
2529
2530         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2531         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2532         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2533         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2534         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2535         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2536         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2537 fi
2538
2539 dnl socklen_t check
2540 AC_MSG_CHECKING(for socklen_t)
2541 AC_TRY_COMPILE([
2542 #include <sys/types.h>
2543 #include <sys/socket.h>
2544 ],[
2545   socklen_t foo;
2546 ],[
2547 ac_cv_c_socklen_t=yes
2548         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2549         AC_MSG_RESULT(yes)
2550 ],[
2551         AC_MSG_RESULT(no)
2552 ])
2553
2554 AC_MSG_CHECKING(for array element initializer support)
2555 AC_TRY_COMPILE([#include <sys/socket.h>], [
2556         const int array[] = {[1] = 2,};
2557 ], [
2558         # Yes, we have it...
2559         AC_MSG_RESULT(yes)
2560         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2561 ], [
2562         # We'll have to use signals
2563         AC_MSG_RESULT(no)
2564 ])
2565
2566 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2567         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2568         AC_TRY_LINK([#include <math.h>],
2569         [ static void *p = &trunc; ],
2570         [
2571                 AC_DEFINE(HAVE_TRUNC)
2572                 AC_MSG_RESULT(yes)
2573                 ac_cv_trunc=yes
2574         ],
2575         AC_MSG_RESULT(no)))
2576
2577 if test "x$ac_cv_truncl" != "xyes"; then
2578    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2579 fi
2580
2581 AC_CHECK_FUNCS(execvp)
2582
2583 dnl ****************************
2584 dnl *** Look for /dev/random ***
2585 dnl ****************************
2586
2587 AC_MSG_CHECKING([if usage of random device is requested])
2588 AC_ARG_ENABLE(dev-random,
2589 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2590 try_dev_random=$enableval, try_dev_random=yes)
2591
2592 AC_MSG_RESULT($try_dev_random)
2593
2594 case "{$build}" in
2595     *-openbsd*)
2596     NAME_DEV_RANDOM="/dev/srandom"
2597     ;;
2598
2599 dnl Win32 does not have /dev/random, they have their own method...
2600
2601     *-mingw*|*-*-cygwin*)
2602     ac_cv_have_dev_random=no
2603     ;;
2604
2605 dnl Everywhere else, it's /dev/random
2606
2607     *)
2608     NAME_DEV_RANDOM="/dev/random"
2609     ;;
2610 esac
2611
2612 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2613
2614 dnl Now check if the device actually exists
2615
2616 if test "x$try_dev_random" = "xyes"; then
2617     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2618     [if test -r "$NAME_DEV_RANDOM" ; then
2619         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2620     if test "x$ac_cv_have_dev_random" = "xyes"; then
2621         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2622     fi
2623 else
2624     AC_MSG_CHECKING(for random device)
2625     ac_cv_have_dev_random=no
2626     AC_MSG_RESULT(has been disabled)
2627 fi
2628
2629 if test "x$host_win32" = "xyes"; then
2630     AC_DEFINE(HAVE_CRYPT_RNG)
2631 fi
2632
2633 if test "x$ac_cv_have_dev_random" = "xno" \
2634     && test "x$host_win32" = "xno"; then
2635     AC_MSG_WARN([[
2636 ***
2637 *** A system-provided entropy source was not found on this system.
2638 *** Because of this, the System.Security.Cryptography random number generator
2639 *** will throw a NotImplemented exception.
2640 ***
2641 *** If you are seeing this message, and you know your system DOES have an
2642 *** entropy collection in place, please contact <crichton@gimp.org> and
2643 *** provide information about the system and how to access the random device.
2644 ***
2645 *** Otherwise you can install either egd or prngd and set the environment
2646 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2647 ***]])
2648 fi
2649
2650 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2651
2652 AC_MSG_CHECKING([if big-arrays are to be enabled])
2653 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2654 if test "x$enable_big_arrays" = "xyes" ; then
2655     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2656         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2657     else
2658         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2659     fi
2660 fi
2661 AC_MSG_RESULT($enable_big_arrays)
2662
2663 dnl **************
2664 dnl *** DTRACE ***
2665 dnl **************
2666
2667 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2668
2669 if test "x$enable_dtrace" = "xyes"; then
2670    if test "x$has_dtrace" = "xno"; then
2671           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2672    fi
2673    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2674    if test "x$DTRACE" = "xno"; then
2675           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2676           enable_dtrace=no
2677    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2678           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2679           enable_dtrace=no
2680    fi
2681 fi
2682
2683 dtrace_g=no
2684 if test "x$enable_dtrace" = "xyes"; then
2685         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2686         DTRACEFLAGS=
2687         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2688                 case "$host" in
2689                         powerpc-*-darwin*)
2690                         DTRACEFLAGS="-arch ppc64"
2691                         ;;
2692                         i*86-*-darwin*)
2693                         DTRACEFLAGS="-arch x86_64"
2694                         ;;
2695                         *)
2696                         DTRACEFLAGS=-64
2697                         ;;
2698                 esac
2699         else
2700                 case "$host" in
2701                         powerpc-*-darwin*)
2702                         DTRACEFLAGS="-arch ppc"
2703                         ;;
2704                         i*86-*-darwin*)
2705                         DTRACEFLAGS="-arch i386"
2706                         ;;
2707                         *)
2708                         DTRACEFLAGS=-32
2709                         ;;
2710                 esac
2711         fi
2712         AC_SUBST(DTRACEFLAGS)
2713         case "$host" in
2714                 *-*-solaris*)
2715                 dtrace_g=yes
2716                 ;;
2717         esac
2718         AC_CHECK_HEADERS([sys/sdt.h])
2719 fi
2720 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2721 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2722
2723 dnl **************
2724 dnl ***  NaCl  ***
2725 dnl **************
2726
2727 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2728 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2729
2730 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2731
2732 dnl
2733 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2734 dnl
2735 nacl_self_host=""
2736 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2737    nacl_self_host="nacl_self_host"
2738 fi
2739 AC_SUBST(nacl_self_host)
2740
2741 if test "x$enable_nacl_codegen" = "xyes"; then
2742    MONO_NACL_ALIGN_MASK_OFF=1
2743    AC_DEFINE(TARGET_NACL, 1, [...])
2744    AC_DEFINE(__native_client_codegen__, 1, [...])
2745 fi
2746 if test "x$enable_nacl_gc" = "xyes"; then
2747    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2748       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2749    else
2750       # Not yet implemented
2751       INSTRUMENT_CFLAG=""
2752    fi
2753    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2754 fi
2755 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2756
2757 dnl **************************
2758 dnl *** AOT cross offsets  ***
2759 dnl **************************
2760
2761 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2762     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2763
2764 dnl **************
2765 dnl ***  LLVM  ***
2766 dnl **************
2767
2768 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2769 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2770 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2771 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2772
2773 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2774
2775 if test "x$enable_llvm" = "xdefault"; then
2776    enable_llvm=$enable_llvm_default
2777 fi
2778
2779 if test "x$enable_llvm" = "xyes"; then
2780    if test "x$with_llvm" != "x"; then
2781           LLVM_CONFIG=$with_llvm/bin/llvm-config
2782           if test x$host_win32 = xyes; then
2783                 LLVM_CONFIG=$LLVM_CONFIG.exe
2784           fi
2785           if test ! -x $LLVM_CONFIG; then
2786                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2787       fi
2788    else
2789       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2790       if test "x$LLVM_CONFIG" = "xno"; then
2791              AC_MSG_ERROR([llvm-config not found.])
2792       fi
2793    fi
2794
2795    llvm_codegen="x86codegen"
2796    case "$target" in
2797    arm*)
2798                 llvm_codegen="armcodegen"
2799                 ;;
2800    esac
2801
2802    if test "x$host_win32" = "xno"; then
2803
2804    # Should be something like '2.6' or '2.7svn'
2805    llvm_version=`$LLVM_CONFIG --version`
2806    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2807    AC_MSG_CHECKING(LLVM version)
2808    AC_MSG_RESULT($llvm_version $llvm_api_version)
2809    if echo $llvm_version | grep -q 'mono'; then
2810           if test "x$enable_llvm_version_check" = "xyes"; then
2811                  if test "$llvm_version" != "$expected_llvm_version"; then
2812                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2813                  fi
2814           fi
2815    else
2816           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.])
2817    fi
2818
2819    # The output of --cflags seems to include optimizations flags too
2820    if test $llvm_api_version -gt 100; then
2821           # The --cflags argument includes all kinds of warnings -pendantic etc.
2822           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2823           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2824    else
2825           LLVM_CFLAGS=`$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'`
2826       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2827    fi
2828    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2829    # from LLVM classes.
2830    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2831    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2832    # This might include empty lines
2833    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2834    llvm_jit_supported=yes
2835    llvm_jit_libs="jit mcjit $llvm_codegen"
2836    if test "x$host" != "x$target"; then
2837       # No need for jit libs
2838           llvm_jit_supported=no
2839       llvm_jit_libs=""
2840    elif test $llvm_api_version -gt 100; then
2841       llvm_jit_libs="orcjit $llvm_codegen"
2842    fi
2843    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2844    if test "x$LLVM_LIBS" = "x"; then
2845           echo "$LLVM_CONFIG --libs failed."
2846           exit 1
2847    fi
2848    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2849    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2850    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2851       LLVM_LIBS="$LLVM_LIBS -lc++"
2852    else
2853       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2854    fi
2855
2856    expected_llvm_version="3.4svn-mono-mono/e656cac"
2857
2858    else
2859        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2860        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2861        LLVM_LDFLAGS="-L$with_llvm/lib"
2862        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2863        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2864          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2865          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2866          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2867          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2868          -lLLVMAnalysis -lLLVMTarget \
2869          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2870          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2871          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2872          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2873          -lLLVMSupport -lstdc++"
2874        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2875
2876        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2877        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2878    fi
2879
2880    if test "x$llvm_api_version" = "x"; then
2881           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2882           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2883    else
2884           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2885           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2886    fi
2887
2888    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2889
2890    AC_SUBST(LLVM_CFLAGS)
2891    AC_SUBST(LLVM_CXXFLAGS)
2892    AC_SUBST(LLVM_LIBS)
2893    AC_SUBST(LLVM_LDFLAGS)
2894    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2895 fi
2896
2897 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2898 if test "x$enable_loadedllvm" = "xyes"; then
2899    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2900 fi
2901 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2902
2903 if test "x$enable_llvm" = "xyes"; then
2904    enable_llvm_runtime=yes
2905 fi
2906 if test "x$enable_llvm_runtime" = "xyes"; then
2907    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2908 fi
2909 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2910
2911 TARGET="unknown"
2912 ACCESS_UNALIGNED="yes"
2913
2914 LIBC="libc.so.6"
2915 INTL="libc.so.6"
2916 SQLITE="libsqlite.so.0"
2917 SQLITE3="libsqlite3.so.0"
2918 X11="libX11.so"
2919 GDKX11="libgdk-x11-2.0.so.0"
2920 GTKX11="libgtk-x11-2.0.so.0"
2921 XINERAMA="libXinerama.so.1"
2922
2923 sizeof_register="SIZEOF_VOID_P"
2924
2925 jit_wanted=true
2926 boehm_supported=true
2927 BTLS_SUPPORTED=no
2928 BTLS_PLATFORM=
2929 case "$host" in
2930         mips*)
2931                 TARGET=MIPS;
2932                 arch_target=mips;
2933                 with_tls=pthread;
2934                 ACCESS_UNALIGNED="no"
2935
2936                 AC_MSG_CHECKING(for mips n32)
2937                 AC_TRY_COMPILE([],[
2938                 #if _MIPS_SIM != _ABIN32
2939                 #error Not mips n32
2940                 #endif
2941                 return 0;
2942                 ],[
2943                 AC_MSG_RESULT(yes)
2944                 sizeof_register=8
2945                 ],[
2946                 AC_MSG_RESULT(no)
2947                 ])
2948                 ;;
2949         i*86-*-*)
2950                 TARGET=X86;
2951                 arch_target=x86;
2952                 case $host_os in
2953                   solaris*)
2954                         LIBC="libc.so"
2955                         INTL="libintl.so"
2956                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2957                                 TARGET=AMD64
2958                                 arch_target=amd64
2959                         fi
2960
2961                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2962                         # int astruct __attribute__ ((visibility ("hidden")));
2963                         # void foo ()
2964                         # {
2965                         #       void *p = &astruct;
2966                         # }
2967                         # gcc -fPIC --shared -o libfoo.so foo.c
2968                         # yields:
2969                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2970                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2971                         have_visibility_hidden=no
2972                         ;;
2973                   mingw*|cygwin*)
2974                         have_visibility_hidden=no
2975                         ;;
2976                   haiku*)
2977                         LIBC=libroot.so
2978                         ;;
2979                   linux*)
2980                         AOT_SUPPORTED="yes"
2981                         BTLS_SUPPORTED=yes
2982                         BTLS_PLATFORM=i386
2983                         ;;
2984                   darwin*)
2985                         AOT_SUPPORTED="yes"
2986                         BTLS_SUPPORTED=yes
2987                         BTLS_PLATFORM=i386
2988                         ;;
2989                   openbsd*|freebsd*|kfreebsd-gnu*)
2990                         ;;
2991                 esac
2992                 ;;
2993         x86_64-*-* | amd64-*-*)
2994                 TARGET=AMD64;
2995                 arch_target=amd64;
2996                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2997                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2998                         sizeof_register=8
2999                 fi
3000                 case $host_os in
3001                   linux*)
3002                         AOT_SUPPORTED="yes"
3003                         BTLS_SUPPORTED=yes
3004                         BTLS_PLATFORM=x86_64
3005                         ;;
3006                   darwin*)
3007                         AOT_SUPPORTED="yes"
3008                         BTLS_SUPPORTED=yes
3009                         BTLS_PLATFORM=x86_64
3010                         ;;
3011                   openbsd*|freebsd*|kfreebsd-gnu*)
3012                         ;;
3013                   mingw*)
3014                         ;;
3015                 esac
3016                 case "$host" in
3017                         x86_64-*-nacl*)
3018                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3019                                 sizeof_register=8
3020                                 ;;
3021                 esac
3022                 ;;
3023         ia64-*-*)
3024                 TARGET=IA64
3025                 arch_target=ia64
3026                 ACCESS_UNALIGNED="no"
3027                 LIBC="libc.so.6.1"
3028                 INTL="libc.so.6.1"
3029                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3030                 libmono_ldflags="-lunwind"
3031                 ;;
3032         sparc*-*-*)
3033                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3034                    TARGET=SPARC64
3035                 else
3036                         TARGET=SPARC
3037                 fi
3038                 arch_target=sparc;
3039                 ACCESS_UNALIGNED="no"
3040                 case $host_os in
3041                   linux*) ;;
3042                   *)
3043                         LIBC="libc.so"
3044                         INTL="libintl.so"
3045                 esac
3046                 if test x"$GCC" = xyes; then
3047                         # We don't support v8 cpus
3048                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3049                 fi
3050                 if test x"$AR" = xfalse; then
3051                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3052                 fi
3053                 ;;
3054         *-mingw*|*-*-cygwin*)
3055                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3056                 have_visibility_hidden=no
3057                 INTL="intl"
3058                 ;;
3059         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3060         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3061                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3062                         TARGET=POWERPC64;
3063                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3064                         CFLAGS="$CFLAGS -mminimal-toc"
3065                 else
3066                         TARGET=POWERPC;
3067                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3068                 fi
3069                 arch_target=ppc;
3070                 case $host_os in
3071                   linux*|darwin*)
3072                         ;;
3073                 esac
3074                 ;;
3075         armv7k-*-darwin*)
3076                 TARGET=ARM;
3077                 TARGET_SYS=WATCHOS
3078                 arch_target=arm;
3079                 arm_fpu=VFP_HARD
3080                 ACCESS_UNALIGNED="no"
3081                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3082                 ;;
3083
3084         arm*-darwin*)
3085                 TARGET=ARM;
3086                 arch_target=arm;
3087                 ACCESS_UNALIGNED="no"
3088                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3089                 ;;
3090         arm*-linux*)
3091                 TARGET=ARM;
3092                 arch_target=arm;
3093                 ACCESS_UNALIGNED="no"
3094                 AOT_SUPPORTED="yes"
3095                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3096                 ;;
3097         arm*-netbsd*-eabi*)
3098                 TARGET=ARM;
3099                 arch_target=arm;
3100                 ACCESS_UNALIGNED="no"
3101                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3102                 ;;
3103 # TODO: make proper support for NaCl host.
3104 #        arm*-*nacl)
3105 #               TARGET=ARM;
3106 #               arch_target=arm;
3107 #               ACCESS_UNALIGNED="no"
3108 #               AOT_SUPPORTED="no"
3109 #               ;;
3110         aarch64-*)
3111                 # https://lkml.org/lkml/2012/7/15/133
3112                 TARGET=ARM64
3113                 arch_target=arm64
3114                 boehm_supported=false
3115                 AOT_SUPPORTED="yes"
3116                 ;;
3117         s390x-*-linux*)
3118                 TARGET=S390X;
3119                 arch_target=s390x;
3120                 ACCESS_UNALIGNED="yes"
3121                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3122                 ;;
3123 esac
3124
3125 HOST=$TARGET
3126
3127 if test "x$host" != "x$target"; then
3128    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3129    enable_mcs_build=no
3130    BTLS_SUPPORTED=no
3131    case "$target" in
3132    arm*-darwin*)
3133                 TARGET=ARM;
3134                 arch_target=arm;
3135                 ACCESS_UNALIGNED="no"
3136                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3137                 # Can't use tls, since it depends on the runtime detection of tls offsets
3138                 # in mono-compiler.h
3139                 with_tls=pthread
3140                 case "$target" in
3141                 armv7k-*)
3142                         arm_fpu=VFP_HARD
3143                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3144                         ;;
3145                 esac
3146                 ;;
3147    powerpc64-ps3-linux-gnu)
3148                 TARGET=POWERPC64
3149                 arch_target=powerpc64
3150                 AC_DEFINE(TARGET_PS3, 1, [...])
3151                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3152                 # uses this define
3153                 AC_DEFINE(__mono_ppc64__, 1, [...])
3154                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3155                 sizeof_register=8
3156                 target_byte_order=G_BIG_ENDIAN
3157                 ;;
3158    powerpc64-xbox360-linux-gnu)
3159                 TARGET=POWERPC64
3160                 arch_target=powerpc64
3161                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3162                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3163                 # uses this define
3164                 sizeof_register=8
3165                 target_byte_order=G_BIG_ENDIAN
3166                 ;;
3167    x86_64-*-nacl)
3168                 TARGET=AMD64
3169                 arch_target=amd64
3170                 AC_DEFINE(TARGET_AMD64, 1, [...])
3171                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3172                 sizeof_register=8
3173                 ;;
3174 # TODO: make proper support for NaCl target.
3175 #   arm*-*nacl)
3176 #               TARGET=ARM
3177 #               arch_target=arm
3178 #               AC_DEFINE(TARGET_ARM, 1, [...])
3179 #               ACCESS_UNALIGNED="no"
3180 #               sizeof_register=4
3181 #               CPPFLAGS="$CPPFLAGS \
3182 #                    -D__ARM_EABI__ \
3183 #                    -D__arm__ \
3184 #                    -D__portable_native_client__ \
3185 #                    -Dtimezone=_timezone \
3186 #                    -DDISABLE_SOCKETS \
3187 #                    -DDISABLE_ATTACH \
3188 #                    -DUSE_NEWLIB"
3189                 # Can't use tls, since it depends on the runtime detection of tls offsets
3190                 # in mono-compiler.h
3191 #               with_tls=pthread
3192 #               ;;
3193    i686-*-nacl)
3194                 TARGET=X86
3195                 arch_target=x86
3196                 AC_DEFINE(TARGET_X86, 1, [...])
3197                 sizeof_register=4
3198                 ;;
3199    arm*-linux-*)
3200                 TARGET=ARM;
3201                 arch_target=arm;
3202                 AC_DEFINE(TARGET_ARM, 1, [...])
3203                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3204                 ACCESS_UNALIGNED="no"
3205                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3206                 # Can't use tls, since it depends on the runtime detection of tls offsets
3207                 # in mono-compiler.h
3208                 with_tls=pthread
3209                 target_mach=no
3210                 case "$target" in
3211                 armv7l-unknown-linux-gnueabi*)
3212                         # TEGRA
3213                         CPPFLAGS="$CPPFLAGS"
3214                         ;;
3215                 armv5-*-linux-androideabi*)
3216                         CPPFLAGS="$CPPFLAGS"
3217                         ;;
3218                 esac
3219                 ;;
3220    arm*-netbsd*-eabi*)
3221                 TARGET=ARM;
3222                 arch_target=arm;
3223                 AC_DEFINE(TARGET_ARM, 1, [...])
3224                 ACCESS_UNALIGNED="no"
3225                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3226                 # Can't use tls, since it depends on the runtime detection of tls offsets
3227                 # in mono-compiler.h
3228                 with_tls=pthread
3229                 target_mach=no
3230                 ;;
3231    i686*-linux-*)
3232                 TARGET=X86;
3233                 arch_target=x86;
3234                 AC_DEFINE(TARGET_X86, 1, [...])
3235                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3236                 CPPFLAGS="$CPPFLAGS"
3237                 # Can't use tls, since it depends on the runtime detection of tls offsets
3238                 # in mono-compiler.h
3239                 with_tls=pthread
3240                 target_mach=no
3241                 ;;
3242    x86_64*-linux-*)
3243                 TARGET=AMD64;
3244                 arch_target=amd64;
3245                 AC_DEFINE(TARGET_AMD64, 1, [...])
3246                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3247                 CPPFLAGS="$CPPFLAGS"
3248                 # Can't use tls, since it depends on the runtime detection of tls offsets
3249                 # in mono-compiler.h
3250                 with_tls=pthread
3251                 target_mach=no
3252                 ;;
3253    x86_64-ps4-freebsd)
3254                 TARGET=AMD64;
3255                 arch_target=amd64;
3256                 AC_DEFINE(TARGET_AMD64, 1, [...])
3257                 AC_DEFINE(TARGET_PS4, 1, [...])
3258                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3259                 CPPFLAGS="$CPPFLAGS"
3260                 # Can't use tls, since it depends on the runtime detection of tls offsets
3261                 # in mono-compiler.h
3262                 with_tls=pthread
3263                 target_mach=no
3264                 target_win32=no
3265                 ;;
3266    aarch64*-linux-*)
3267                 TARGET=ARM64;
3268                 arch_target=arm64;
3269                 AC_DEFINE(TARGET_ARM64, 1, [...])
3270                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3271                 CPPFLAGS="$CPPFLAGS"
3272                 # Can't use tls, since it depends on the runtime detection of tls offsets
3273                 # in mono-compiler.h
3274                 with_tls=pthread
3275                 target_mach=no
3276                 ;;
3277         aarch64-*)
3278                 TARGET=ARM64
3279                 ;;
3280         *)
3281                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3282         esac
3283 fi
3284
3285 case "$TARGET" in
3286 X86)
3287         AC_DEFINE(TARGET_X86, 1, [...])
3288         ;;
3289 AMD64)
3290         AC_DEFINE(TARGET_AMD64, 1, [...])
3291         ;;
3292 ARM)
3293         AC_DEFINE(TARGET_ARM, 1, [...])
3294         ;;
3295 ARM64)
3296         AC_DEFINE(TARGET_ARM64, 1, [...])
3297         ;;
3298 POWERPC)
3299         AC_DEFINE(TARGET_POWERPC, 1, [...])
3300         ;;
3301 POWERPC64)
3302         AC_DEFINE(TARGET_POWERPC, 1, [...])
3303         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3304         ;;
3305 S390X)
3306         AC_DEFINE(TARGET_S390X, 1, [...])
3307         ;;
3308 MIPS)
3309         AC_DEFINE(TARGET_MIPS, 1, [...])
3310         ;;
3311 IA64)
3312         AC_DEFINE(TARGET_IA64, 1, [...])
3313         ;;
3314 SPARC)
3315         AC_DEFINE(TARGET_SPARC, 1, [...])
3316         ;;
3317 SPARC64)
3318         AC_DEFINE(TARGET_SPARC64, 1, [...])
3319         ;;
3320 esac
3321
3322 case "$HOST" in
3323 X86)
3324         AC_DEFINE(HOST_X86, 1, [...])
3325         ;;
3326 AMD64)
3327         AC_DEFINE(HOST_AMD64, 1, [...])
3328         ;;
3329 ARM)
3330         AC_DEFINE(HOST_ARM, 1, [...])
3331         ;;
3332 ARM64)
3333         AC_DEFINE(HOST_ARM64, 1, [...])
3334         ;;
3335 POWERPC)
3336         AC_DEFINE(HOST_POWERPC, 1, [...])
3337         ;;
3338 POWERPC64)
3339         AC_DEFINE(HOST_POWERPC, 1, [...])
3340         AC_DEFINE(HOST_POWERPC64, 1, [...])
3341         ;;
3342 S390X)
3343         AC_DEFINE(HOST_S390X, 1, [...])
3344         ;;
3345 MIPS)
3346         AC_DEFINE(HOST_MIPS, 1, [...])
3347         ;;
3348 IA64)
3349         AC_DEFINE(HOST_IA64, 1, [...])
3350         ;;
3351 SPARC)
3352         AC_DEFINE(HOST_SPARC, 1, [...])
3353         ;;
3354 SPARC64)
3355         AC_DEFINE(HOST_SPARC64, 1, [...])
3356         ;;
3357 esac
3358
3359
3360
3361 dnl *************
3362 dnl *** VTUNE ***
3363 dnl *************
3364
3365 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3366 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3367
3368 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3369
3370 if test "x$enable_vtune" = "xyes"; then
3371         if test "x$with_vtune" = "x"; then
3372                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3373         else
3374                 VTUNE_PATH=$with_vtune
3375         fi
3376         VTUNE_INCLUDE=$VTUNE_PATH/include
3377         case "$TARGET" in
3378         X86)
3379                 VTUNE_LIB=$VTUNE_PATH/lib32
3380                 ;;
3381         AMD64)
3382                 VTUNE_LIB=$VTUNE_PATH/lib64
3383                 ;;
3384         *)
3385                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3386                 ;;
3387         esac
3388         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3389                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3390         fi
3391         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3392                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3393         fi
3394
3395         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3396         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3397
3398         AC_SUBST(VTUNE_LIBS)
3399         AC_SUBST(VTUNE_CFLAGS)
3400 fi
3401 dnl Use GCC atomic ops if they work on the target.
3402 if test x$GCC = "xyes"; then
3403         case $TARGET in
3404         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3405                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3406                 ;;
3407         esac
3408 fi
3409
3410 if test "x$target_mach" = "xyes"; then
3411
3412    if test "x$TARGET_SYS" = "xWATCHOS"; then
3413           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3414           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3415           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3416           BTLS_SUPPORTED=no
3417    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3418           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3419           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3420           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3421           BTLS_SUPPORTED=no
3422    else
3423        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3424        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3425        #error fail this for ios
3426        #endif
3427        return 0;
3428        ], [
3429                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3430           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3431           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3432        ], [
3433           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3434           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3435           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3436           BTLS_SUPPORTED=no
3437        ])
3438         fi
3439    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3440 fi
3441
3442 if test "x$sizeof_register" = "x4"; then
3443    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3444 elif test "x$sizeof_register" = "x8"; then
3445    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3446 else
3447    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3448 fi
3449
3450 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3451    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3452 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3453    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3454 else
3455    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3456 fi
3457
3458 if test "x$have_visibility_hidden" = "xyes"; then
3459    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3460 fi
3461
3462 if test "x$have_deprecated" = "xyes"; then
3463    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3464 fi
3465
3466 dnl
3467 dnl Simple Generational checks (sgen)
3468 dnl
3469 SGEN_DEFINES=
3470 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3471 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3472 if test x$buildsgen = xyes; then
3473    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3474    SGEN_DEFINES="-DHAVE_SGEN_GC"
3475
3476         conc_gc_msg=""
3477    if test x$with_sgen_default_concurrent != xno; then
3478        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3479            conc_gc_msg=" (concurrent by default)"
3480    fi
3481
3482    if test "x$gc_msg" = "x"; then
3483       gc_msg="sgen$conc_gc_msg"
3484    else
3485       gc_msg="sgen$conc_gc_msg and $gc_msg"
3486    fi
3487 fi
3488 AC_SUBST(SGEN_DEFINES)
3489 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3490
3491 jit_status="Building and using the JIT"
3492
3493 libsuffix=".so"
3494
3495 case "$host" in
3496      *-*-darwin*)
3497         libsuffix=".dylib"
3498         LIBC="libc.dylib"
3499         INTL="libintl.dylib"
3500         SQLITE="libsqlite.0.dylib"
3501         SQLITE3="libsqlite3.0.dylib"
3502         X11="libX11.dylib"
3503         GDKX11="libgdk-x11-2.0.dylib"
3504         GTKX11="libgtk-x11-2.0.dylib"
3505         ;;
3506      *-*-*netbsd*)
3507         LIBC="libc.so"
3508         INTL="libintl.so"
3509         SQLITE="libsqlite.so"
3510         SQLITE3="libsqlite3.so"
3511         ;;
3512      *-*-kfreebsd*-gnu)
3513         LIBC="libc.so.0.1"
3514         INTL="libc.so.0.1"
3515         X11="libX11.so.6"
3516         ;;
3517     *-*-*freebsd*)
3518         LIBC="libc.so.7"
3519         INTL="libintl.so"
3520         SQLITE="libsqlite.so"
3521         SQLITE3="libsqlite3.so"
3522         ;;
3523     *-*-*openbsd*)
3524         LIBC="libc.so"
3525         INTL="libintl.so"
3526         SQLITE="libsqlite.so"
3527         SQLITE3="libsqlite3.so"
3528         ;;
3529     *-*-*linux*)
3530         AC_PATH_X
3531         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3532         AC_MSG_CHECKING(for the soname of libX11.so)
3533         for i in $x_libraries $dlsearch_path; do
3534                 for r in 4 5 6; do
3535                         if test -f $i/libX11.so.$r; then
3536                                 X11=libX11.so.$r
3537                                 AC_MSG_RESULT($X11)
3538                         fi
3539                 done
3540         done
3541
3542         if test "x$X11" = "xlibX11.so"; then
3543                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3544                 X11=libX11.so.6
3545         fi
3546         ;;
3547 esac
3548
3549
3550 AC_SUBST(libsuffix)
3551
3552 AC_ARG_WITH([libgdiplus],
3553         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3554         [], [with_libgdiplus=installed])
3555
3556 # default install location
3557 libgdiplus_install_loc=libgdiplus${libsuffix}
3558 case "$host" in
3559     *-*-*linux*)
3560     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3561     ;;
3562 esac
3563
3564 case $with_libgdiplus in
3565     no|installed)
3566     libgdiplus_loc=
3567     ;;
3568
3569     yes|sibling)
3570     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3571     ;;
3572
3573     /*) # absolute path, assume it is an install location
3574     libgdiplus_loc=$with_libgdiplus
3575     libgdiplus_install_loc=$with_libgdiplus
3576     ;;
3577
3578     *)
3579     libgdiplus_loc=`pwd`/$with_libgdiplus
3580     ;;
3581 esac
3582 AC_SUBST([libgdiplus_loc])
3583 AC_SUBST([libgdiplus_install_loc])
3584
3585 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3586 if test "x$icall_symbol_map" = "xyes"; then
3587    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3588 fi
3589
3590 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3591 if test "x$icall_export" = "xyes"; then
3592    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3593 fi
3594
3595 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3596 if test "x$icall_tables" = "xno"; then
3597    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3598 fi
3599
3600 if test "x$with_tls" = "x__thread"; then
3601         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3602         # Pass the information to libgc
3603         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3604         AC_MSG_CHECKING(if the tls_model attribute is supported)
3605         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3606                 ], [
3607                         AC_MSG_RESULT(yes)
3608                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3609                 ], [
3610                         AC_MSG_RESULT(no)
3611         ])
3612 fi
3613
3614 if test ${TARGET} = ARM; then
3615         dnl ******************************************
3616         dnl *** Check to see what FPU is available ***
3617         dnl ******************************************
3618         AC_MSG_CHECKING(which FPU to use)
3619
3620         #
3621         # This is a bit tricky:
3622         #
3623         # if (__ARM_PCS_VFP) {
3624         #       /* mfloat-abi=hard == VFP with hard ABI */
3625         # } elif (!__SOFTFP__) {
3626         #       /* mfloat-abi=softfp == VFP with soft ABI */
3627         # } else {
3628         #       /* mfloat-abi=soft == no VFP */
3629         # }
3630         #
3631         # The exception is iOS (w/ GCC) where none of the above
3632         # are defined (but iOS always uses the 'softfp' ABI).
3633         #
3634         # No support for FPA.
3635         #
3636
3637         fpu=NONE
3638
3639         # iOS GCC always uses the 'softfp' ABI.
3640         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3641                 fpu=VFP
3642         fi
3643
3644         # Are we using the 'hard' ABI?
3645         if test x$fpu = xNONE; then
3646                 AC_TRY_COMPILE([], [
3647                         #ifndef __ARM_PCS_VFP
3648                         #error "Float ABI is not 'hard'"
3649                         #endif
3650                         return 0;
3651                 ], [
3652                         fpu=VFP_HARD
3653                 ], [
3654                         fpu=NONE
3655                 ])
3656         fi
3657
3658         # No 'hard' ABI. 'soft' or 'softfp'?
3659         if test x$fpu = xNONE; then
3660                 AC_TRY_COMPILE([], [
3661                         #ifdef __SOFTFP__
3662                         #error "Float ABI is not 'softfp'"
3663                         #endif
3664                         return 0;
3665                 ], [
3666                         fpu=VFP
3667                 ], [
3668                         fpu=NONE
3669                 ])
3670         fi
3671
3672         if test x$arm_fpu != x; then
3673            fpu=$arm_fpu
3674         fi
3675
3676         AC_MSG_RESULT($fpu)
3677         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3678         unset fpu
3679
3680         dnl *********************************************
3681         dnl *** Check which ARM version(s) we can use ***
3682         dnl *********************************************
3683         AC_MSG_CHECKING(which ARM version to use)
3684
3685         AC_TRY_COMPILE([], [
3686                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3687                 #error Not on ARM v5.
3688                 #endif
3689                 return 0;
3690         ], [
3691                 arm_v5=yes
3692
3693                 arm_ver=ARMv5
3694         ], [])
3695
3696         AC_TRY_COMPILE([], [
3697                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3698                 #error Not on ARM v6.
3699                 #endif
3700                 return 0;
3701         ], [
3702                 arm_v5=yes
3703                 arm_v6=yes
3704
3705                 arm_ver=ARMv6
3706         ], [])
3707
3708         AC_TRY_COMPILE([], [
3709                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3710                 #error Not on ARM v7.
3711                 #endif
3712                 return 0;
3713         ], [
3714                 arm_v5=yes
3715                 arm_v6=yes
3716                 arm_v7=yes
3717
3718                 arm_ver=ARMv7
3719         ], [])
3720
3721         AC_MSG_RESULT($arm_ver)
3722
3723         if test x$arm_v5 = xyes; then
3724                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3725                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3726         fi
3727
3728         if test x$arm_v6 = xyes; then
3729                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3730                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3731         fi
3732
3733         if test x$arm_v7 = xyes; then
3734                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3735                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3736         fi
3737 fi
3738
3739 if test ${TARGET} = unknown; then
3740         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3741         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3742 fi
3743
3744 if test "x$platform_android" = "xyes"; then
3745         case "x${TARGET}" in
3746         xARM)
3747                 case "x$arm_ver" in
3748                 xARMv5)
3749                         BTLS_SUPPORTED=yes
3750                         BTLS_PLATFORM=android-armv5
3751                         ;;
3752                 xARMv6)
3753                         BTLS_SUPPORTED=yes
3754                         BTLS_PLATFORM=android-armv6
3755                         ;;
3756                 xARMv7)
3757                         BTLS_SUPPORTED=yes
3758                         BTLS_PLATFORM=android-armv7
3759                         ;;
3760                 *)
3761                         BTLS_SUPPORTED=no
3762                         ;;
3763                 esac
3764                 ;;
3765         xARM64)
3766                 BTLS_SUPPORTED=yes
3767                 BTLS_PLATFORM=android-v8a
3768                 ;;
3769         xX86)
3770                 BTLS_SUPPORTED=yes
3771                 BTLS_PLATFORM=android-x86
3772                 ;;
3773         xAMD64)
3774                 BTLS_SUPPORTED=yes
3775                 BTLS_PLATFORM=android-x64
3776                 ;;
3777         *)
3778                 BTLS_SUPPORTED=no
3779                 ;;
3780         esac
3781 fi
3782
3783 if test ${ACCESS_UNALIGNED} = no; then
3784         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3785 fi
3786
3787 case "x$libgc" in
3788         xincluded)
3789                 # Pass CPPFLAGS to libgc configure
3790                 # We should use a separate variable for this to avoid passing useless and
3791                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3792                 # This should be executed late so we pick up the final version of CPPFLAGS
3793                 # The problem with this approach, is that during a reconfigure, the main
3794                 # configure scripts gets invoked with these arguments, so we use separate
3795                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3796                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3797                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3798                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3799                 fi
3800                 # Don't pass -finstrument-for-thread-suspension in,
3801                 # if these are instrumented it will be very bad news
3802                 # (infinite recursion, undefined parking behavior, etc)
3803                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3804                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3805                 if test "x$support_boehm" = "xyes"; then
3806                         AC_CONFIG_SUBDIRS(libgc)
3807                 fi
3808                 ;;
3809 esac
3810
3811 MALLOC_MEMPOOLS=no
3812 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3813         if test x$with_malloc_mempools = xyes; then
3814                 MALLOC_MEMPOOLS=yes
3815                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3816         fi
3817 ])
3818
3819
3820 DISABLE_MCS_DOCS=default
3821 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3822         if test x$with_mcs_docs != xyes; then
3823                 DISABLE_MCS_DOCS=yes
3824         fi
3825 ])
3826 if test -n "$INSTALL_4_x_TRUE"; then :
3827         DISABLE_MCS_DOCS=yes
3828 fi
3829 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3830    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3831 fi
3832
3833 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3834         if test x$with_lazy_gc_thread_creation != xno ; then
3835                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3836         fi
3837 ], [with_lazy_gc_thread_creation=no])
3838
3839 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])
3840
3841 if test x$with_cooperative_gc = xdefault; then
3842         with_cooperative_gc=$with_cooperative_gc_default
3843 fi
3844
3845 if test x$with_cooperative_gc != xno; then
3846         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3847 fi
3848
3849 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3850
3851 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],[
3852
3853         if test x$enable_checked_build != x ; then
3854                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3855         fi
3856         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3857                 eval "mono_checked_build_test_enable_$feature='yes'"
3858         done
3859
3860         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3861                 eval "mono_checked_build_test_enable_gc='yes'"
3862                 eval "mono_checked_build_test_enable_metadata='yes'"
3863                 eval "mono_checked_build_test_enable_thread='yes'"
3864         fi
3865
3866         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3867                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3868         fi
3869
3870         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3871                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3872         fi
3873
3874         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3875                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3876         fi
3877
3878 ], [])
3879
3880 AC_CHECK_HEADER([malloc.h],
3881                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3882                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3883
3884 if test x"$GCC" = xyes; then
3885         # Implicit function declarations are not 64 bit safe
3886         # Do this late, since this causes lots of configure tests to fail
3887         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3888         # jay has a lot of implicit declarations
3889         JAY_CFLAGS="-Wno-implicit-function-declaration"
3890 fi
3891
3892 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3893 # instead of libmono-static.a
3894 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3895    LIBMONO_LA=libmini-static.la
3896 else
3897    if test x$buildsgen = xyes; then
3898       LIBMONO_LA=libmonosgen-$API_VER.la
3899    else
3900       LIBMONO_LA=libmonoboehm-$API_VER.la
3901    fi
3902 fi
3903 AC_SUBST(LIBMONO_LA)
3904
3905 dnl **************
3906 dnl ***  Btls  ***
3907 dnl **************
3908
3909 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3910 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3911
3912 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3913
3914 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3915
3916 btls_android=no
3917 if test "x$enable_btls" = "xyes"; then
3918         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3919         if test "x$CMAKE" = "xno"; then
3920                 AC_MSG_ERROR("cmake not found")
3921         fi
3922
3923         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3924         AC_SUBST(BTLS_ROOT)
3925
3926         btls_arch=
3927         btls_cflags=
3928         BTLS_CMAKE_ARGS=
3929
3930         case "$BTLS_PLATFORM" in
3931         i386)
3932                 btls_arch=i386
3933                 btls_cflags="-m32"
3934                 case $host_os in
3935                         darwin*)
3936                                 btls_cflags="$btls_cflags -arch i386"
3937                 esac
3938                 ;;
3939         x86_64)
3940                 btls_arch=x86_64
3941                 ;;
3942         android-armv5)
3943                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3944                 ;;
3945         android-armv6)
3946                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3947                 ;;
3948         android-armv7)
3949                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3950                 ;;
3951         android-v8a)
3952                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3953                 ;;
3954         android-x86)
3955                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3956                 ;;
3957         android-x64)
3958                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3959                 ;;
3960         *)
3961                 AC_MSG_ERROR(Invalid BTLS platform)
3962         esac
3963
3964         if test "x$platform_android" = "xyes"; then
3965                 btls_android=yes
3966                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
3967                 if test "x$with_btls_android_ndk" != "x"; then
3968                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
3969                 fi
3970         fi
3971
3972         if test "x$btls_arch" != "x"; then
3973                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
3974         fi
3975
3976         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
3977         AC_SUBST(BTLS_ARCH)
3978         AC_SUBST(BTLS_CFLAGS)
3979         AC_SUBST(BTLS_PLATFORM)
3980         AC_SUBST(BTLS_CMAKE_ARGS)
3981
3982         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
3983 else
3984         enable_btls=no
3985 fi
3986
3987 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
3988
3989 if test x$DISABLE_MCS_DOCS = xyes; then
3990    docs_dir=""
3991 else
3992    docs_dir=docs
3993 fi
3994 AC_SUBST(docs_dir)
3995
3996 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3997 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3998
3999 libmono_ldflags="$libmono_ldflags $LIBS"
4000
4001 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4002 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4003 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4004 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4005 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4006 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4007 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4008 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4009 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4010 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4011 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4012 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4013 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4014 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4015 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4016 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4017 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4018 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4019
4020 AC_SUBST(LIBC)
4021 AC_SUBST(INTL)
4022 AC_SUBST(SQLITE)
4023 AC_SUBST(SQLITE3)
4024 AC_SUBST(X11)
4025 AC_SUBST(GDKX11)
4026 AC_SUBST(GTKX11)
4027 AC_SUBST(XINERAMA)
4028 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4029 AC_SUBST(arch_target)
4030 AC_SUBST(CFLAGS)
4031 AC_SUBST(CPPFLAGS)
4032 AC_SUBST(LDFLAGS)
4033
4034 #This must always be defined when building the runtime
4035 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4036
4037 mono_build_root=`pwd`
4038 AC_SUBST(mono_build_root)
4039
4040 mono_runtime=mono/mini/mono
4041 AC_SUBST(mono_runtime)
4042
4043 mono_cfg_root=$mono_build_root/runtime
4044 if test x$host_win32 = xyes; then
4045   if test "x$cross_compiling" = "xno"; then
4046     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4047   else
4048     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4049   fi
4050 else
4051   mono_cfg_dir=$mono_cfg_root/etc
4052 fi
4053 AC_SUBST(mono_cfg_dir)
4054
4055 AC_CONFIG_FILES([po/mcs/Makefile.in])
4056
4057 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4058 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4059
4060 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4061 [   depth=../../../..
4062     case $srcdir in
4063     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4064     .) reldir=$depth ;;
4065     *) reldir=$depth/$srcdir ;;
4066     esac
4067     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4068     cd runtime/etc/mono/1.0
4069     rm -f machine.config
4070     $LN_S $reldir/data/net_1_1/machine.config machine.config
4071     cd $depth
4072 ],[LN_S='$LN_S'])
4073
4074 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4075 [   depth=../../../..
4076     case $srcdir in
4077     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4078     .) reldir=$depth ;;
4079     *) reldir=$depth/$srcdir ;;
4080     esac
4081     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4082     cd runtime/etc/mono/2.0
4083     rm -f machine.config
4084     $LN_S $reldir/data/net_2_0/machine.config machine.config
4085     cd $depth
4086 ],[LN_S='$LN_S'])
4087
4088 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4089 [   depth=../../../..
4090     case $srcdir in
4091     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4092     .) reldir=$depth ;;
4093     *) reldir=$depth/$srcdir ;;
4094     esac
4095     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4096     cd runtime/etc/mono/2.0
4097     rm -f web.config
4098     $LN_S $reldir/data/net_2_0/web.config web.config
4099     cd $depth
4100 ],[LN_S='$LN_S'])
4101
4102 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4103 [   depth=../../..
4104     case $srcdir in
4105     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4106     .) reldir=$depth ;;
4107     *) reldir=$depth/$srcdir ;;
4108     esac
4109     $ac_aux_dir/install-sh -d runtime/etc/mono/
4110     cd runtime/etc/mono/
4111     rm -f browscap.ini
4112     $LN_S $reldir/data/browscap.ini browscap.ini
4113     cd $depth
4114 ],[LN_S='$LN_S'])
4115
4116 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4117 [   depth=../../../../..
4118     case $srcdir in
4119     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4120     .) reldir=$depth ;;
4121     *) reldir=$depth/$srcdir ;;
4122     esac
4123     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4124     cd runtime/etc/mono/2.0/Browsers
4125     rm -f Compat.browser
4126     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4127     cd $depth
4128 ],[LN_S='$LN_S'])
4129
4130 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4131 [   depth=../../../../..
4132     case $srcdir in
4133     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4134     .) reldir=$depth ;;
4135     *) reldir=$depth/$srcdir ;;
4136     esac
4137     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4138     cd runtime/etc/mono/4.0/Browsers
4139     rm -f Compat.browser
4140     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4141     cd $depth
4142 ],[LN_S='$LN_S'])
4143
4144 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4145 [   depth=../../../../..
4146     case $srcdir in
4147     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4148     .) reldir=$depth ;;
4149     *) reldir=$depth/$srcdir ;;
4150     esac
4151     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4152     cd runtime/etc/mono/4.5/Browsers
4153     rm -f Compat.browser
4154     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4155     cd $depth
4156 ],[LN_S='$LN_S'])
4157
4158 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4159 [   depth=../../../..
4160     case $srcdir in
4161     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4162     .) reldir=$depth ;;
4163     *) reldir=$depth/$srcdir ;;
4164     esac
4165     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4166     cd runtime/etc/mono/4.0
4167     rm -f machine.config
4168     $LN_S $reldir/data/net_4_0/machine.config machine.config
4169     cd $depth
4170 ],[LN_S='$LN_S'])
4171
4172 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4173 [   depth=../../../..
4174     case $srcdir in
4175     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4176     .) reldir=$depth ;;
4177     *) reldir=$depth/$srcdir ;;
4178     esac
4179     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4180     cd runtime/etc/mono/4.0
4181     rm -f web.config
4182     $LN_S $reldir/data/net_4_0/web.config web.config
4183     cd $depth
4184 ],[LN_S='$LN_S'])
4185
4186 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4187 [   depth=../../../..
4188     case $srcdir in
4189     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4190     .) reldir=$depth ;;
4191     *) reldir=$depth/$srcdir ;;
4192     esac
4193     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4194     cd runtime/etc/mono/4.5
4195     rm -f machine.config
4196     $LN_S $reldir/data/net_4_5/machine.config machine.config
4197     cd $depth
4198 ],[LN_S='$LN_S'])
4199
4200 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4201 [   depth=../../../..
4202     case $srcdir in
4203     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4204     .) reldir=$depth ;;
4205     *) reldir=$depth/$srcdir ;;
4206     esac
4207     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4208     cd runtime/etc/mono/4.5
4209     rm -f web.config
4210     $LN_S $reldir/data/net_4_5/web.config web.config
4211     cd $depth
4212 ],[LN_S='$LN_S'])
4213
4214 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])
4215 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])
4216
4217 AC_OUTPUT([
4218 Makefile
4219 mono-uninstalled.pc
4220 acceptance-tests/Makefile
4221 llvm/Makefile
4222 scripts/mono-find-provides
4223 scripts/mono-find-requires
4224 mono/Makefile
4225 mono/btls/Makefile
4226 mono/utils/Makefile
4227 mono/metadata/Makefile
4228 mono/dis/Makefile
4229 mono/cil/Makefile
4230 mono/arch/Makefile
4231 mono/arch/x86/Makefile
4232 mono/arch/amd64/Makefile
4233 mono/arch/ppc/Makefile
4234 mono/arch/sparc/Makefile
4235 mono/arch/s390x/Makefile
4236 mono/arch/arm/Makefile
4237 mono/arch/arm64/Makefile
4238 mono/arch/ia64/Makefile
4239 mono/arch/mips/Makefile
4240 mono/sgen/Makefile
4241 mono/tests/Makefile
4242 mono/tests/tests-config
4243 mono/tests/assemblyresolve/Makefile
4244 mono/tests/gc-descriptors/Makefile
4245 mono/unit-tests/Makefile
4246 mono/benchmark/Makefile
4247 mono/io-layer/Makefile
4248 mono/mini/Makefile
4249 mono/profiler/Makefile
4250 m4/Makefile
4251 ikvm-native/Makefile
4252 scripts/Makefile
4253 man/Makefile
4254 docs/Makefile
4255 data/Makefile
4256 data/net_2_0/Makefile
4257 data/net_4_0/Makefile
4258 data/net_4_5/Makefile
4259 data/net_2_0/Browsers/Makefile
4260 data/net_4_0/Browsers/Makefile
4261 data/net_4_5/Browsers/Makefile
4262 data/mint.pc
4263 data/mono-2.pc
4264 data/monosgen-2.pc
4265 data/mono.pc
4266 data/mono-cairo.pc
4267 data/mono-nunit.pc
4268 data/mono-options.pc
4269 data/mono-lineeditor.pc
4270 data/monodoc.pc
4271 data/dotnet.pc
4272 data/dotnet35.pc
4273 data/wcf.pc
4274 data/cecil.pc
4275 data/system.web.extensions_1.0.pc
4276 data/system.web.extensions.design_1.0.pc
4277 data/system.web.mvc.pc
4278 data/system.web.mvc2.pc
4279 data/system.web.mvc3.pc
4280 data/aspnetwebstack.pc
4281 data/reactive.pc
4282 samples/Makefile
4283 support/Makefile
4284 data/config
4285 tools/Makefile
4286 tools/locale-builder/Makefile
4287 tools/sgen/Makefile
4288 tools/monograph/Makefile
4289 tools/pedump/Makefile
4290 runtime/Makefile
4291 msvc/Makefile
4292 po/Makefile
4293 ])
4294
4295 # Update all submodules recursively to ensure everything is checked out
4296 $srcdir/scripts/update_submodules
4297
4298 if test x$host_win32 = xyes; then
4299    # Get rid of 'cyg' prefixes in library names
4300    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4301    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4302    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4303    # executable doesn't work...
4304    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4305 fi
4306
4307 if test x$host_darwin = xyes; then
4308    # This doesn't seem to be required and it slows down parallel builds
4309    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4310 fi
4311
4312 (
4313   case $prefix in
4314   NONE) prefix=$ac_default_prefix ;;
4315   esac
4316   case $exec_prefix in
4317   NONE) exec_prefix='${prefix}' ;;
4318   esac
4319
4320   #
4321   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4322   # any existing config.make.  This allows people to share the same source tree
4323   # with different build directories, one native and one cross
4324   #
4325   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4326
4327     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4328
4329     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4330     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4331     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4332     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4333     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4334     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4335     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4336     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4337
4338     case $INSTALL in
4339     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4340     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4341     esac
4342
4343     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4344
4345     export VERSION
4346     [myver=$($AWK 'BEGIN {
4347       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4348       if(length(vsplit [1]) > 4) {
4349         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4350       }
4351       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4352     }')]
4353
4354     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4355
4356     if test x$host_darwin = xyes; then
4357       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4358     fi
4359
4360     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4361       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4362     fi
4363
4364         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4365            enable_system_aot=yes
4366         fi
4367
4368     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4369       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4370     fi
4371
4372     if test x$DISABLE_MCS_DOCS = xyes; then
4373       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4374     fi
4375
4376     if test x$has_extension_module != xno; then
4377         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4378     fi
4379
4380     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4381
4382     if test "x$test_bcl_opt" = "xyes"; then
4383       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4384     fi
4385
4386     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4387       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4388       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4389     fi
4390
4391     if test "x$enable_btls" = "xyes"; then
4392       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4393       if test "x$enable_dynamic_btls" = "xyes"; then
4394         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4395       fi
4396     fi
4397
4398   fi
4399
4400 )
4401
4402 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4403
4404 btls_platform_string=
4405 if test x$enable_btls = xyes; then
4406         if test x$btls_android = xyes; then
4407                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4408         else
4409                 btls_platform_string=" ($BTLS_PLATFORM)"
4410         fi
4411 fi
4412
4413 echo "
4414         mcs source:    $mcsdir
4415
4416    Engine:
4417         Host:          $host
4418         Target:        $target
4419         GC:            $gc_msg
4420         TLS:           $with_tls
4421         SIGALTSTACK:   $with_sigaltstack
4422         Engine:        $jit_status
4423         BigArrays:     $enable_big_arrays
4424         DTrace:        $enable_dtrace
4425         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4426
4427    Libraries:
4428         .NET 4.x:        $with_profile4_x
4429         Xamarin.Android: $with_monodroid
4430         Xamarin.iOS:     $with_monotouch
4431         Xamarin.WatchOS: $with_monotouch_watch
4432         Xamarin.TVOS:    $with_monotouch_tv
4433         Xamarin.Mac:     $with_xammac
4434         mobile_static:   $with_mobile_static
4435         JNI support:     $jdk_headers_found
4436         libgdiplus:      $libgdiplus_msg
4437         zlib:            $zlib_msg
4438         BTLS:            $enable_btls$btls_platform_string
4439         $disabled
4440 "
4441 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4442    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4443 fi