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, [4.9.1],
   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 if test -z "$HOST_WIN32_TRUE"; then :
 383 PLATFORM_AOT_SUFFIX=.dll
 384 fi
 385
 386 AC_SUBST(PLATFORM_AOT_SUFFIX)
 387
 388 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 389
 390 AC_CHECK_TOOL(CC, gcc, gcc)
 391 AC_PROG_CC
 392 AC_CHECK_TOOL(CXX, g++, g++)
 393 AC_PROG_CXX
 394 AM_PROG_AS
 395 AC_PROG_INSTALL
 396 AC_PROG_AWK
 397 AM_PROG_CC_C_O
 398 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 399 : ${CCAS='$(CC)'}
 400 # Set ASFLAGS if not already set.
 401 : ${CCASFLAGS='$(CFLAGS)'}
 402 AC_SUBST(CCAS)
 403 AC_SUBST(CCASFLAGS)
 404
 405 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 406 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 407 if test "x$CXX" = "xg++"; then
 408         if test "x$GXX" != "xyes"; then
 409                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 410                 # are inside automake conditionals
 411                 AC_MSG_ERROR([You need to install g++])
 412         fi
 413 fi
 414
 415 dnl may require a specific autoconf version
 416 dnl AC_PROG_CC_FOR_BUILD
 417 dnl CC_FOR_BUILD not automatically detected
 418 CC_FOR_BUILD=$CC
 419 CFLAGS_FOR_BUILD=$CFLAGS
 420 BUILD_EXEEXT=
 421 if test "x$cross_compiling" = "xyes"; then
 422         CC_FOR_BUILD=cc
 423         CFLAGS_FOR_BUILD=
 424         BUILD_EXEEXT=""
 425 fi
 426 AC_SUBST(CC_FOR_BUILD)
 427 AC_SUBST(CFLAGS_FOR_BUILD)
 428 AC_SUBST(HOST_CC)
 429 AC_SUBST(BUILD_EXEEXT)
 430
 431 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 432 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 433
 434 # Set STDC_HEADERS
 435 AC_HEADER_STDC
 436 AC_LIBTOOL_WIN32_DLL
 437 # This causes monodis to not link correctly
 438 #AC_DISABLE_FAST_INSTALL
 439
 440 #lookup makedev() header
 441 AC_HEADER_MAJOR
 442
 443 AM_PROG_LIBTOOL
 444 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 445 DOLT
 446
 447 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 448 AC_SUBST(export_ldflags)
 449
 450 # Test whenever ld supports -version-script
 451 AC_PROG_LD
 452 AC_PROG_LD_GNU
 453
 454 AM_ICONV()
 455
 456 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)
 457 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)
 458 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 459                   [], [], [#include <stddef.h>
 460                   #include <sys/socket.h>
 461                   #include <linux/socket.h>])
 462
 463 AC_CHECK_HEADERS(sys/user.h, [], [],
 464 [
 465 #ifdef HAVE_SYS_PARAM_H
 466 # include <sys/param.h>
 467 #endif
 468 ])
 469
 470 AC_CHECK_HEADERS(linux/serial.h)
 471
 472 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 473 if test x$have_zlib = xyes; then
 474    AC_TRY_COMPILE([#include <zlib.h>], [
 475    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 476    return 0;
 477    #else
 478    #error No good zlib found
 479    #endif
 480    ],[
 481         AC_MSG_RESULT(Using system zlib)
 482         zlib_msg="system zlib"
 483         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 484    ],[
 485         AC_MSG_RESULT(Using embedded zlib)
 486         have_zlib=no
 487         zlib_msg="bundled zlib"
 488    ])
 489 fi
 490
 491 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 492 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 493
 494 # for mono/metadata/debug-symfile.c
 495 AC_CHECK_HEADERS(elf.h)
 496
 497 # for support
 498 AC_CHECK_HEADERS(poll.h)
 499 AC_CHECK_HEADERS(sys/poll.h)
 500 AC_CHECK_HEADERS(sys/wait.h)
 501 AC_CHECK_HEADERS(grp.h)
 502 AC_CHECK_HEADERS(syslog.h)
 503
 504 # for mono/dis
 505 AC_CHECK_HEADERS(wchar.h)
 506 AC_CHECK_HEADERS(ieeefp.h)
 507 AC_MSG_CHECKING(for isinf)
 508 AC_TRY_LINK([#include <math.h>], [
 509         int f = isinf (1.0);
 510 ], [
 511         AC_MSG_RESULT(yes)
 512         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 513 ], [
 514         # We'll have to use signals
 515         AC_MSG_RESULT(no)
 516 ])
 517 # mingw
 518 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 519         AC_TRY_LINK([#include <math.h>],
 520         [ _finite(0.0); ],
 521         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 522         AC_MSG_RESULT(no)))
 523
 524 # for Linux statfs support
 525 AC_CHECK_HEADERS(linux/magic.h)
 526
 527 # not 64 bit clean in cross-compile
 528 AC_CHECK_SIZEOF(void *, 4)
 529
 530 AC_CACHE_CHECK([for clang],
 531         mono_cv_clang,[
 532         AC_TRY_COMPILE([], [
 533                 #ifdef __clang__
 534                 #else
 535                 #error "FAILED"
 536                 #endif
 537                 return 0;
 538         ],
 539         [mono_cv_clang=yes],
 540         [mono_cv_clang=no],
 541         [])
 542 ])
 543
 544 AC_ARG_ENABLE(visibility-hidden,
 545 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 546    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 547
 548 WARN=''
 549 if test x"$GCC" = xyes; then
 550         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 551
 552                 # We require C99 with some GNU extensions, e.g. `linux` macro
 553                 CFLAGS="$CFLAGS -std=gnu99"
 554
 555                 # The runtime code does not respect ANSI C strict aliasing rules
 556                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 557
 558                 # We rely on signed overflow to behave
 559                 CFLAGS="$CFLAGS -fwrapv"
 560
 561                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 562                 if test x"$disable_visibility_hidden" = xno; then
 563                    # Don't export any symbols by default
 564                    SHARED_CFLAGS="-fvisibility=hidden"
 565                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 566                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 567                 fi
 568
 569                 ORIG_CFLAGS=$CFLAGS
 570                 # Check for the normal version, since gcc ignores unknown -Wno options
 571                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 572                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 573                 AC_TRY_COMPILE([],[
 574                                 return 0;
 575                 ], [
 576                    AC_MSG_RESULT(yes)
 577                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 578                 ], [
 579                    AC_MSG_RESULT(no)
 580                    CFLAGS=$ORIG_CFLAGS
 581                 ])
 582
 583                 if test "x$mono_cv_clang" = "xyes"; then
 584                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 585                    WARN="$WARN -Qunused-arguments"
 586                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 587                    # We rely on zero length arrays in structs
 588                    WARN="$WARN -Wno-zero-length-array"
 589                 fi
 590 else
 591         # The Sun Forte compiler complains about inline functions that access static variables
 592         # so disable all inlining.
 593         case "$host" in
 594         *-*-solaris*)
 595                 CFLAGS="$CFLAGS -Dinline="
 596                 ;;
 597         esac
 598 fi
 599 CFLAGS="$CFLAGS -g $WARN"
 600 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 601 CPPFLAGS="$CPPFLAGS -g $WARN"
 602
 603 # Where's the 'mcs' source tree?
 604 if test -d $srcdir/mcs; then
 605   mcsdir=mcs
 606 else
 607   mcsdir=../mcs
 608 fi
 609
 610 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 611         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 612                 mcsdir=$with_mcs_path
 613         fi
 614 )
 615
 616 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 617
 618 #
 619 # A sanity check to catch cases where the package was unpacked
 620 # with an ancient tar program (Solaris)
 621 #
 622 AC_ARG_ENABLE(solaris-tar-check,
 623 [  --disable-solaris-tar-check    disable solaris tar check],
 624    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 625
 626 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 627         AC_MSG_CHECKING(integrity of package)
 628         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 629         then
 630                 AC_MSG_RESULT(ok)
 631         else
 632                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 633                 AC_MSG_ERROR([$errorm])
 634         fi
 635 fi
 636
 637 if test "x$with_mcs_path" != "x"; then
 638 mcs_topdir=$(cd "$mcsdir" && pwd)
 639 mcs_topdir_from_srcdir=$mcs_topdir
 640 else
 641 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 642 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 643 fi
 644
 645 # Convert mcs_topdir* paths to Windows syntax.
 646 if test x$cross_compiling$host_win32 = xnoyes; then
 647   mcs_topdir=$(cygpath -m $mcs_topdir)
 648   case $mcs_topdir_from_srcdir in
 649     /cygdrive/*)
 650         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 651         ;;
 652   esac
 653 fi
 654
 655 AC_SUBST([mcs_topdir])
 656 AC_SUBST([mcs_topdir_from_srcdir])
 657
 658 # gettext: prepare the translation directories.
 659 # we do not configure the full gettext, as we consume it dynamically from C#
 660 AM_PO_SUBDIRS
 661
 662 if test "x$USE_NLS" = "xyes"; then
 663    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 664
 665    if test "x$HAVE_MSGFMT" = "xno"; then
 666           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 667    fi
 668 fi
 669
 670 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 671
 672 pkg_config_path=
 673 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 674         if test x$with_crosspkgdir = "x"; then
 675                 if test -s $PKG_CONFIG_PATH; then
 676                         pkg_config_path=$PKG_CONFIG_PATH
 677                 fi
 678         else
 679                 pkg_config_path=$with_crosspkgdir
 680                 PKG_CONFIG_PATH=$pkg_config_path
 681                 export PKG_CONFIG_PATH
 682         fi
 683 )
 684
 685 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 686 if test x$werror_flag = xyes; then
 687         WERROR_CFLAGS="-Werror"
 688 fi
 689 AC_SUBST([WERROR_CFLAGS])
 690 AC_SUBST([SHARED_CFLAGS])
 691
 692 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 693 AC_CONFIG_SUBDIRS(eglib)
 694
 695 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 696 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 697
 698 AC_SUBST(GLIB_CFLAGS)
 699 AC_SUBST(GLIB_LIBS)
 700
 701 # Enable support for fast thread-local storage
 702 # Some systems have broken support, so we allow to disable it.
 703 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 704
 705 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 706 # This does not work on some platforms (bug #55253)
 707 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 708
 709 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 710 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 711 # Same as --with-shared_mono=no
 712 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 713
 714 if test "x$enable_static" = "xno"; then
 715    with_static_mono=no
 716 fi
 717
 718 if test "x$enable_shared" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 if test "x$enable_libraries" = "xno"; then
 723    with_shared_mono=no
 724 fi
 725
 726 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 727
 728 case $host in
 729 *nacl* ) with_shared_mono=yes;;
 730 esac
 731
 732 if test "x$host_win32" = "xyes"; then
 733    # Boehm GC requires the runtime to be in its own dll
 734    with_static_mono=no
 735 fi
 736
 737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 740
 741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 744         ORIG_CFLAGS=$CFLAGS
 745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 747         AC_TRY_COMPILE([], [
 748                 return 0;
 749         ], [
 750            AC_MSG_RESULT(yes)
 751            # Pass it to libgc as well
 752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 753         ], [
 754            AC_MSG_RESULT(no)
 755            CFLAGS=$ORIG_CFLAGS
 756         ])
 757 fi
 758
 759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 760
 761 if test x$enable_small_config = xyes; then
 762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 764 fi
 765
 766 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=$enableval, enable_system_aot=default)
 767
 768 DISABLED_FEATURES=none
 769 csc_compiler=default
 770 endian=unknown
 771 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 772 AC_MSG_CHECKING([CSharp compiler to use])
 773 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 774    if test x$withval = xmcs; then
 775        csc_compiler=mcs
 776    elif test x$withval = xroslyn; then
 777        csc_compiler=roslyn
 778    elif test x$withval = xdefault; then
 779        :
 780    else
 781        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 782    fi
 783 ],[csc_compiler=default])
 784
 785 if test $csc_compiler = default; then
 786    if test $endian = big; then
 787       csc_compiler=mcs
 788    elif test $endian = little; then
 789       csc_compiler=roslyn
 790    else
 791       csc_compiler=mcs
 792    fi
 793 fi
 794 AC_MSG_RESULT($csc_compiler)
 795
 796 #
 797 # Set the build profiles and options before things which use them
 798 #
 799
 800 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])
 801 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 802 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 803 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])
 804 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])
 805 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 806 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 807 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
 808 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
 809 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 810 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 811
 812
 813 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 814
 815 dnl
 816 dnl Profile defaults
 817 dnl
 818 TEST_PROFILE=default
 819 enable_llvm_default=no
 820
 821 with_profile4_x_default=no
 822 with_monodroid_default=no
 823 with_monotouch_default=no
 824 with_monotouch_watch_default=no
 825 with_monotouch_tv_default=no
 826 with_xammac_default=no
 827 with_testing_aot_hybrid_default=no
 828 with_testing_aot_full_default=no
 829 with_winaot_default=no
 830 with_orbis_default=no
 831
 832 with_bitcode_default=no
 833 with_cooperative_gc_default=no
 834
 835 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 836
 837 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 838    DISABLE_MCS_DOCS_default=yes
 839 elif test x$with_runtime_preset = xnet_4_x; then
 840    with_profile4_x_default=yes
 841 elif test x$with_runtime_preset = xall; then
 842    with_profile4_x_default=yes
 843    with_monodroid_default=yes
 844    with_monotouch_default=yes
 845    with_monotouch_watch_default=yes
 846    with_monotouch_tv_default=yes
 847    with_xammac_default=yes
 848    with_winaot_default=yes
 849    with_orbis_default=yes
 850 elif test x$with_runtime_preset = xfullaot; then
 851    DISABLE_MCS_DOCS_default=yes
 852    with_testing_aot_full_default=yes
 853    TEST_PROFILE=testing_aot_full
 854
 855    mono_feature_disable_com='yes'
 856    mono_feature_disable_remoting='yes'
 857    mono_feature_disable_reflection_emit_save='yes'
 858    mono_feature_disable_reflection_emit='yes'
 859    mono_feature_disable_appdomains='yes'
 860
 861    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 862
 863    AOT_RUN_FLAGS="--full-aot"
 864 elif test x$with_runtime_preset = xbitcode; then
 865    DISABLE_MCS_DOCS_default=yes
 866    with_testing_aot_full_default=yes
 867    with_bitcode_default=yes
 868    with_cooperative_gc_default=yes
 869    TEST_PROFILE=testing_aot_full
 870    enable_llvm_default=yes
 871
 872    mono_feature_disable_com='yes'
 873    mono_feature_disable_remoting='yes'
 874    mono_feature_disable_reflection_emit_save='yes'
 875    mono_feature_disable_reflection_emit='yes'
 876    mono_feature_disable_appdomains='yes'
 877
 878    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 879    AOT_RUN_FLAGS="--llvmonly"
 880 elif test x$with_runtime_preset = xhybridaot; then
 881    DISABLE_MCS_DOCS_default=yes
 882    with_testing_aot_hybrid_default=yes
 883    TEST_PROFILE=testing_aot_hybrid
 884
 885    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 886    AOT_RUN_FLAGS="--hybrid-aot"
 887 elif test x$with_runtime_preset = xaot; then
 888    with_profile4_x_default=yes
 889
 890    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 891    AOT_RUN_FLAGS=""
 892
 893    DISABLE_MCS_DOCS_default=yes
 894 elif test x$with_runtime_preset = xwinaot; then
 895    DISABLE_MCS_DOCS_default=yes
 896    with_winaot_default=yes
 897    TEST_PROFILE=winaot
 898
 899    mono_feature_disable_com='yes'
 900    mono_feature_disable_remoting='yes'
 901    mono_feature_disable_reflection_emit_save='yes'
 902    mono_feature_disable_reflection_emit='yes'
 903    mono_feature_disable_appdomains='yes'
 904
 905    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 906    AOT_RUN_FLAGS="--full-aot"
 907 elif test x$with_runtime_preset = xorbis; then
 908    DISABLE_MCS_DOCS_default=yes
 909    with_orbis_default=yes
 910    TEST_PROFILE=orbis
 911
 912    mono_feature_disable_com='yes'
 913    mono_feature_disable_remoting='yes'
 914    mono_feature_disable_reflection_emit_save='yes'
 915    mono_feature_disable_reflection_emit='yes'
 916    mono_feature_disable_appdomains='yes'
 917
 918    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 919    AOT_RUN_FLAGS="--full-aot"
 920 else
 921    with_profile4_x_default=yes
 922 fi
 923
 924 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 925    AC_SUBST(AOT_BUILD_FLAGS)
 926    AC_SUBST(AOT_RUN_FLAGS)
 927    # For llvmonlycheck + fullaotcheck
 928    AC_SUBST(INVARIANT_AOT_OPTIONS)
 929 fi
 930
 931 AC_SUBST(TEST_PROFILE)
 932
 933 if test "x$with_profile4_x" = "xdefault"; then
 934    with_profile4_x=$with_profile4_x_default
 935 fi
 936 if test "x$with_monodroid" = "xdefault"; then
 937    with_monodroid=$with_monodroid_default
 938 fi
 939 if test "x$with_monotouch" = "xdefault"; then
 940    with_monotouch=$with_monotouch_default
 941 fi
 942 if test "x$with_monotouch_watch" = "xdefault"; then
 943    with_monotouch_watch=$with_monotouch_watch_default
 944 fi
 945 if test "x$with_monotouch_tv" = "xdefault"; then
 946    with_monotouch_tv=$with_monotouch_tv_default
 947 fi
 948 if test "x$with_bitcode" = "xdefault"; then
 949    with_bitcode=$with_bitcode_default
 950 fi
 951 if test "x$with_xammac" = "xdefault"; then
 952    with_xammac=$with_xammac_default
 953 fi
 954 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 955    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 956 fi
 957 if test "x$with_testing_aot_full" = "xdefault"; then
 958    with_testing_aot_full=$with_testing_aot_full_default
 959 fi
 960 if test "x$with_winaot" = "xdefault"; then
 961    with_winaot=$with_winaot_default
 962 fi
 963 if test "x$with_orbis" = "xdefault"; then
 964    with_orbis=$with_orbis_default
 965 fi
 966
 967
 968 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 969 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 970 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 971 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 972 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 973 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 974 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 975 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 976 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 977 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 978 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 979 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
 980 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
 981
 982 default_profile=net_4_x
 983 if test -z "$INSTALL_MONODROID_TRUE"; then :
 984    default_profile=monodroid
 985 fi
 986 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 987    default_profile=monotouch
 988 fi
 989 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 990    default_profile=xammac
 991 fi
 992 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 993    default_profile=testing_aot_hybrid
 994 fi
 995 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 996    default_profile=testing_aot_full
 997 fi
 998 if test -z "$INSTALL_WINAOT_TRUE"; then :
 999    default_profile=winaot
1000 fi
1001 if test -z "$INSTALL_ORBIS_TRUE"; then :
1002    default_profile=orbis
1003 fi
1004 if test -z "$INSTALL_4_x_TRUE"; then :
1005    default_profile=net_4_x
1006 fi
1007 DEFAULT_PROFILE=$default_profile
1008 AC_SUBST(DEFAULT_PROFILE)
1009
1010 #
1011 # End build profile configuration
1012 #
1013
1014 if test x$USE_NLS = xprofile_default; then
1015
1016 if test x$host_darwin = xyes; then
1017 # We make the default value for USE_NLS
1018 # "no" on OSX because it isn't available on most
1019 # default OSX installs. The most common configurations will
1020 # all disable it, so this saves us typing.
1021   USE_NLS=no
1022   AC_SUBST([USE_NLS])
1023   AC_MSG_RESULT([$USE_NLS])
1024 else
1025   USE_NLS=yes
1026   AC_SUBST([USE_NLS])
1027   AC_MSG_RESULT([$USE_NLS])
1028 fi
1029
1030 fi
1031
1032 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1033      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1034      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1035          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1036 [
1037         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1038                 eval "mono_feature_disable_$feature='yes'"
1039         done
1040         DISABLED_FEATURES=$enable_minimal
1041         disabled="Disabled:      $enable_minimal"
1042 ],[])
1043
1044 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1045
1046 if test "x$mono_feature_disable_aot" = "xyes"; then
1047         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1048         enable_system_aot=no
1049         AC_MSG_NOTICE([Disabled AOT compiler])
1050 fi
1051
1052 if test "x$mono_feature_disable_profiler" = "xyes"; then
1053         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1054         AC_MSG_NOTICE([Disabled support for the profiler])
1055 fi
1056 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1057
1058 if test "x$mono_feature_disable_decimal" = "xyes"; then
1059         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1060         AC_MSG_NOTICE([Disabled support for decimal])
1061 fi
1062
1063 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1064         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1065         AC_MSG_NOTICE([Disabled support for P/Invoke])
1066 fi
1067
1068 if test "x$mono_feature_disable_debug" = "xyes"; then
1069         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1070         AC_MSG_NOTICE([Disabled support for runtime debugging])
1071 fi
1072
1073 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1074         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1075         mono_feature_disable_reflection_emit_save=yes
1076         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1077 fi
1078
1079 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1080         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1081         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1082 fi
1083
1084 if test "x$mono_feature_disable_large_code" = "xyes"; then
1085         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1086         AC_MSG_NOTICE([Disabled support for large assemblies])
1087 fi
1088
1089 if test "x$mono_feature_disable_logging" = "xyes"; then
1090         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1091         AC_MSG_NOTICE([Disabled support for logging])
1092 fi
1093
1094 if test "x$mono_feature_disable_com" = "xyes"; then
1095         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1096         AC_MSG_NOTICE([Disabled COM support])
1097 fi
1098
1099 if test "x$mono_feature_disable_ssa" = "xyes"; then
1100         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1101         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1102 fi
1103
1104 if test "x$mono_feature_disable_generics" = "xyes"; then
1105         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1106         AC_MSG_NOTICE([Disabled Generics Support])
1107 fi
1108
1109 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1110         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1111         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1112 fi
1113
1114 if test "x$mono_feature_disable_portability" = "xyes"; then
1115         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1116         AC_MSG_NOTICE([Disabled IO Portability layer])
1117 fi
1118
1119 if test "x$mono_feature_disable_attach" = "xyes"; then
1120         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1121         AC_MSG_NOTICE([Disabled agent attach])
1122 fi
1123
1124 if test "x$mono_feature_disable_verifier" = "xyes"; then
1125         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1126         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1127 fi
1128
1129 if test "x$mono_feature_disable_jit" = "xyes"; then
1130         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1131         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1132 fi
1133
1134 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1135
1136 if test "x$mono_feature_disable_simd" = "xyes"; then
1137         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1138         AC_MSG_NOTICE([Disabled SIMD support])
1139 fi
1140
1141 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1142         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1143         AC_MSG_NOTICE([Disabled Soft Debugger.])
1144 fi
1145
1146 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1147         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1148         AC_MSG_NOTICE([Disabled Performance Counters.])
1149 fi
1150 if test "x$mono_feature_disable_normalization" = "xyes"; then
1151         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1152         AC_MSG_NOTICE([Disabled String normalization support.])
1153 fi
1154
1155 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1156         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1157         AC_MSG_NOTICE([Disabled Assembly remapping.])
1158 fi
1159
1160 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1161         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1162         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1163 fi
1164
1165 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1166         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1167         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1168 fi
1169
1170 if test "x$mono_feature_disable_remoting" = "xyes"; then
1171         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1172         AC_MSG_NOTICE([Disabled remoting])
1173 fi
1174
1175 if test "x$mono_feature_disable_security" = "xyes"; then
1176         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1177         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1178 fi
1179
1180 if test "x$mono_feature_disable_lldb" = "xyes"; then
1181         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1182         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1183 fi
1184
1185 if test "x$mono_feature_disable_mdb" = "xyes"; then
1186         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1187         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1188 fi
1189
1190 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1191         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1192         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1193 fi
1194
1195 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1196         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1197         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1198 fi
1199
1200 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1201         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1202         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1203 fi
1204
1205 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1206         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1207         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1208 fi
1209
1210 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1211         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1212         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1213 fi
1214
1215 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1216 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1217
1218 has_extension_module=no
1219 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1220 [
1221         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1222                 if test x$extension = xdefault ; then
1223                         has_extension_module=yes;
1224                 fi
1225         done
1226         if test x$enable_extension_module = xyes; then
1227                 has_extension_module=yes;
1228         fi
1229 ], [])
1230
1231 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1232
1233 if test x$has_extension_module != xno ; then
1234         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1235         AC_MSG_NOTICE([Enabling mono extension module.])
1236 fi
1237
1238 # Deprecated
1239 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1240
1241 AC_MSG_CHECKING(for visibility __attribute__)
1242 AC_COMPILE_IFELSE([
1243         AC_LANG_SOURCE([[
1244                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1245                 int main () { doit (); return 0; }
1246         ]])
1247 ], [
1248    have_visibility_hidden=yes
1249    AC_MSG_RESULT(yes)
1250 ], [
1251    have_visibility_hidden=no
1252    AC_MSG_RESULT(no)
1253 ])
1254
1255 dnl
1256 dnl Boehm GC configuration
1257 dnl
1258
1259 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1260
1261 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1262 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1263
1264 if test "x$support_boehm" = "xyes"; then
1265
1266         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1267         if test x$enable_parallel_mark = xyes; then
1268                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1269         fi
1270
1271         gc_msg=""
1272         LIBGC_CPPFLAGS=
1273         LIBGC_LIBS=
1274         LIBGC_STATIC_LIBS=
1275         libgc_dir=
1276         case "x$libgc" in
1277                 xincluded)
1278                         if test "x$support_boehm" = "xyes"; then
1279                                 libgc_dir=libgc
1280                         fi
1281
1282                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1283                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1284                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1285
1286                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1287
1288                         if test x$target_win32 = xyes; then
1289                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1290                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1291                         fi
1292
1293                         gc_msg="Included Boehm GC with typed GC"
1294                         if test x$enable_parallel_mark = xyes; then
1295                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1296                                 gc_msg="$gc_msg and parallel mark"
1297                         else
1298                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1299                         fi
1300                         ;;
1301
1302                 xboehm|xbohem|xyes)
1303                         AC_MSG_WARN("External Boehm is no longer supported")
1304                         ;;
1305
1306                 xsgen)
1307                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1308                         ;;
1309
1310                 xnone)
1311                         AC_MSG_WARN("Compiling mono without GC.")
1312                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1313                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1314                         gc_msg="none"
1315                         ;;
1316                 *)
1317                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1318                         ;;
1319         esac
1320
1321         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1322         if test "x$large_heap" = "xyes"; then
1323            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1324         fi
1325
1326         AC_SUBST(LIBGC_CPPFLAGS)
1327         AC_SUBST(LIBGC_LIBS)
1328         AC_SUBST(LIBGC_STATIC_LIBS)
1329         AC_SUBST(libgc_dir)
1330         AC_SUBST(BOEHM_DEFINES)
1331
1332 fi
1333
1334 dnl
1335 dnl End of Boehm GC Configuration
1336 dnl
1337
1338 dnl *************************************
1339 dnl *** Checks for zero length arrays ***
1340 dnl *************************************
1341 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1342 AC_TRY_COMPILE([
1343         struct s {
1344                 int  length;
1345                 char data [0];
1346         };
1347 ], [], [
1348         AC_MSG_RESULT(yes)
1349         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1350 ], [
1351         AC_MSG_RESULT(no)
1352         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1353 ])
1354
1355 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1356
1357 dnl ***********************************
1358 dnl *** Checks for signals
1359 dnl ***********************************
1360 AC_CHECK_HEADERS(signal.h)
1361 AC_CHECK_FUNCS(sigaction)
1362 AC_CHECK_FUNCS(kill)
1363 AC_CHECK_FUNCS(signal)
1364
1365 # signal() is declared inline in Android headers
1366 # so we need to workaround it by overriding the check.
1367 if test x$platform_android = xyes; then
1368         AC_DEFINE(HAVE_SIGNAL,1)
1369 fi
1370
1371 if test x$host_win32 = xno; then
1372
1373         dnl hires monotonic clock support
1374         AC_SEARCH_LIBS(clock_gettime, rt)
1375         AC_CHECK_FUNCS(clock_nanosleep)
1376
1377         dnl dynamic loader support
1378         AC_CHECK_FUNC(dlopen, DL_LIB="",
1379                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1380         )
1381         if test x$dl_support = xno; then
1382                 AC_MSG_WARN([No dynamic loading support available])
1383         else
1384                 LIBS="$LIBS $DL_LIB"
1385                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1386                 dnl from glib's configure.ac
1387                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1388                         mono_cv_uscore,[
1389                         AC_TRY_RUN([#include <dlfcn.h>
1390                         int mono_underscore_test (void) { return 42; }
1391                         int main() {
1392                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1393                           handle = dlopen ((void*)0, 0);
1394                           if (handle) {
1395                             f1 = dlsym (handle, "mono_underscore_test");
1396                             f2 = dlsym (handle, "_mono_underscore_test");
1397                           } return (!f2 || f1);
1398                         }],
1399                                 [mono_cv_uscore=yes],
1400                                 [mono_cv_uscore=no],
1401                         [])
1402                 ])
1403                 if test "x$mono_cv_uscore" = "xyes"; then
1404                         MONO_DL_NEED_USCORE=1
1405                 else
1406                         MONO_DL_NEED_USCORE=0
1407                 fi
1408                 AC_SUBST(MONO_DL_NEED_USCORE)
1409                 AC_CHECK_FUNC(dlerror)
1410         fi
1411
1412         dnl ******************************************************************
1413         dnl *** Checks for the IKVM JNI interface library                  ***
1414         dnl ******************************************************************
1415         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])
1416
1417         ikvm_native_dir=
1418         if test x$with_ikvm_native = xyes; then
1419                 ikvm_native_dir=ikvm-native
1420                 jdk_headers_found="IKVM Native"
1421         fi
1422
1423         AC_SUBST(ikvm_native_dir)
1424
1425         AC_CHECK_HEADERS(execinfo.h)
1426
1427         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1428
1429         AC_CHECK_FUNCS(getgrgid_r)
1430         AC_CHECK_FUNCS(getgrnam_r)
1431         AC_CHECK_FUNCS(getresuid)
1432         AC_CHECK_FUNCS(setresuid)
1433         AC_CHECK_FUNCS(kqueue)
1434         AC_CHECK_FUNCS(backtrace_symbols)
1435         AC_CHECK_FUNCS(mkstemp)
1436         AC_CHECK_FUNCS(mmap)
1437         AC_CHECK_FUNCS(madvise)
1438         AC_CHECK_FUNCS(getrusage)
1439         AC_CHECK_FUNCS(getpriority)
1440         AC_CHECK_FUNCS(setpriority)
1441         AC_CHECK_FUNCS(dl_iterate_phdr)
1442         AC_CHECK_FUNCS(dladdr)
1443         AC_CHECK_FUNCS(sysconf)
1444         AC_CHECK_FUNCS(getrlimit)
1445         AC_CHECK_FUNCS(prctl)
1446
1447         AC_CHECK_FUNCS(sched_getaffinity)
1448         AC_CHECK_FUNCS(sched_setaffinity)
1449         AC_CHECK_FUNCS(sched_getcpu)
1450
1451         if test x$platform_android != xyes; then
1452                 AC_CHECK_FUNCS(getpwnam_r)
1453                 AC_CHECK_FUNCS(getpwuid_r)
1454         fi
1455
1456         dnl ****************************************************************
1457         dnl *** Check for sched_setaffinity from glibc versions before   ***
1458         dnl *** 2.3.4. The older versions of the function only take 2    ***
1459         dnl *** parameters, not 3.                                       ***
1460         dnl ***                                                          ***
1461         dnl *** Because the interface change was not made in a minor     ***
1462         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1463         dnl *** won't always indicate the interface sched_affinity has.  ***
1464         dnl ****************************************************************
1465         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1466         AC_TRY_COMPILE([#include <sched.h>], [
1467             int mask = 1;
1468             sched_setaffinity(0, &mask);
1469                         return 0;
1470         ], [
1471                 # Yes, we have it...
1472                 AC_MSG_RESULT(yes)
1473                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1474         ], [
1475                 # We have the new, three-parameter version
1476                 AC_MSG_RESULT(no)
1477         ])
1478         AC_TRY_COMPILE([#include <sched.h>], [
1479              CPU_COUNT((void *) 0);
1480         ], [
1481                 AC_MSG_RESULT(yes)
1482                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1483         ], [
1484                 # We have the new, three-parameter version
1485                 AC_MSG_RESULT(no)
1486         ])
1487
1488         dnl ******************************************************************
1489         dnl *** Check for large file support                               ***
1490         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1491         dnl ******************************************************************
1492
1493         # Check that off_t can represent 2**63 - 1 correctly, working around
1494         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1495         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1496         large_offt=no
1497         AC_DEFUN([LARGE_FILES], [
1498                 large_CPPFLAGS=$CPPFLAGS
1499                 CPPFLAGS="$CPPFLAGS $1"
1500                 AC_TRY_COMPILE([
1501                         #include <sys/types.h>
1502                         #include <limits.h>
1503                 ], [
1504                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1505                         #define COMPILE_TIME_ASSERT(pred) \
1506                                 switch(0){case 0:case pred:;}
1507                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1508                 ], [
1509                         AC_MSG_RESULT(ok)
1510                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1511                         large_CPPFLAGS="$large_CPPFLAGS $1"
1512                         large_offt=yes
1513                 ], [
1514                         AC_MSG_RESULT(no)
1515                 ])
1516                 CPPFLAGS=$large_CPPFLAGS
1517         ])
1518
1519         AC_MSG_CHECKING(if off_t is 64 bits wide)
1520         LARGE_FILES("")
1521         if test $large_offt = no; then
1522                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1523                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1524         fi
1525         if test $large_offt = no; then
1526                 AC_MSG_WARN([No 64 bit file size support available])
1527         fi
1528
1529         dnl *****************************
1530         dnl *** Checks for libsocket  ***
1531         dnl *****************************
1532         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1533
1534         case "$host" in
1535                 *-*-*freebsd*)
1536                         dnl *****************************
1537                         dnl *** Checks for libinotify ***
1538                         dnl *****************************
1539                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1540         esac
1541
1542         dnl *******************************
1543         dnl *** Checks for MSG_NOSIGNAL ***
1544         dnl *******************************
1545         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1546         AC_TRY_COMPILE([#include <sys/socket.h>], [
1547                 int f = MSG_NOSIGNAL;
1548         ], [
1549                 # Yes, we have it...
1550                 AC_MSG_RESULT(yes)
1551                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1552         ], [
1553                 # We'll have to use signals
1554                 AC_MSG_RESULT(no)
1555         ])
1556
1557         dnl *****************************
1558         dnl *** Checks for IPPROTO_IP ***
1559         dnl *****************************
1560         AC_MSG_CHECKING(for IPPROTO_IP)
1561         AC_TRY_COMPILE([#include <netinet/in.h>], [
1562                 int level = IPPROTO_IP;
1563         ], [
1564                 # Yes, we have it...
1565                 AC_MSG_RESULT(yes)
1566                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1567         ], [
1568                 # We'll have to use getprotobyname
1569                 AC_MSG_RESULT(no)
1570         ])
1571
1572         dnl *******************************
1573         dnl *** Checks for IPPROTO_IPV6 ***
1574         dnl *******************************
1575         AC_MSG_CHECKING(for IPPROTO_IPV6)
1576         AC_TRY_COMPILE([#include <netinet/in.h>], [
1577                 int level = IPPROTO_IPV6;
1578         ], [
1579                 # Yes, we have it...
1580                 AC_MSG_RESULT(yes)
1581                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1582         ], [
1583                 # We'll have to use getprotobyname
1584                 AC_MSG_RESULT(no)
1585         ])
1586
1587         dnl ******************************
1588         dnl *** Checks for IPPROTO_TCP ***
1589         dnl ******************************
1590         AC_MSG_CHECKING(for IPPROTO_TCP)
1591         AC_TRY_COMPILE([#include <netinet/in.h>], [
1592                 int level = IPPROTO_TCP;
1593         ], [
1594                 # Yes, we have it...
1595                 AC_MSG_RESULT(yes)
1596                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1597         ], [
1598                 # We'll have to use getprotobyname
1599                 AC_MSG_RESULT(no)
1600         ])
1601
1602         dnl *****************************
1603         dnl *** Checks for SOL_IP     ***
1604         dnl *****************************
1605         AC_MSG_CHECKING(for SOL_IP)
1606         AC_TRY_COMPILE([#include <netdb.h>], [
1607                 int level = SOL_IP;
1608         ], [
1609                 # Yes, we have it...
1610                 AC_MSG_RESULT(yes)
1611                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1612         ], [
1613                 # We'll have to use getprotobyname
1614                 AC_MSG_RESULT(no)
1615         ])
1616
1617         dnl *****************************
1618         dnl *** Checks for SOL_IPV6     ***
1619         dnl *****************************
1620         AC_MSG_CHECKING(for SOL_IPV6)
1621         AC_TRY_COMPILE([#include <netdb.h>], [
1622                 int level = SOL_IPV6;
1623         ], [
1624                 # Yes, we have it...
1625                 AC_MSG_RESULT(yes)
1626                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1627         ], [
1628                 # We'll have to use getprotobyname
1629                 AC_MSG_RESULT(no)
1630         ])
1631
1632         dnl *****************************
1633         dnl *** Checks for SOL_TCP    ***
1634         dnl *****************************
1635         AC_MSG_CHECKING(for SOL_TCP)
1636         AC_TRY_COMPILE([#include <netdb.h>], [
1637                 int level = SOL_TCP;
1638         ], [
1639                 # Yes, we have it...
1640                 AC_MSG_RESULT(yes)
1641                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1642         ], [
1643                 # We'll have to use getprotobyname
1644                 AC_MSG_RESULT(no)
1645         ])
1646
1647         dnl *****************************
1648         dnl *** Checks for IP_PKTINFO ***
1649         dnl *****************************
1650         AC_MSG_CHECKING(for IP_PKTINFO)
1651         AC_TRY_COMPILE([#include <linux/in.h>], [
1652                 int level = IP_PKTINFO;
1653         ], [
1654                 # Yes, we have it...
1655                 AC_MSG_RESULT(yes)
1656                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1657         ], [
1658                 AC_MSG_RESULT(no)
1659         ])
1660
1661         dnl *****************************
1662         dnl *** Checks for IPV6_PKTINFO ***
1663         dnl *****************************
1664         AC_MSG_CHECKING(for IPV6_PKTINFO)
1665         AC_TRY_COMPILE([#include <netdb.h>], [
1666                 int level = IPV6_PKTINFO;
1667         ], [
1668                 # Yes, we have it...
1669                 AC_MSG_RESULT(yes)
1670                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1671         ], [
1672                 AC_MSG_RESULT(no)
1673         ])
1674
1675         dnl **********************************
1676         dnl *** Checks for IP_DONTFRAG     ***
1677         dnl **********************************
1678         AC_MSG_CHECKING(for IP_DONTFRAG)
1679         AC_TRY_COMPILE([#include <netinet/in.h>], [
1680                 int level = IP_DONTFRAG;
1681         ], [
1682                 # Yes, we have it...
1683                 AC_MSG_RESULT(yes)
1684                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1685         ], [
1686                 AC_MSG_RESULT(no)
1687         ])
1688
1689         dnl **********************************
1690         dnl *** Checks for IP_DONTFRAGMENT ***
1691         dnl **********************************
1692         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1693         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1694                 int level = IP_DONTFRAGMENT;
1695         ], [
1696                 # Yes, we have it...
1697                 AC_MSG_RESULT(yes)
1698                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1699         ], [
1700                 AC_MSG_RESULT(no)
1701         ])
1702
1703         dnl **********************************
1704         dnl *** Checks for IP_MTU_DISCOVER ***
1705         dnl **********************************
1706         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1707         AC_TRY_COMPILE([#include <linux/in.h>], [
1708                 int level = IP_MTU_DISCOVER;
1709         ], [
1710                 # Yes, we have it...
1711                 AC_MSG_RESULT(yes)
1712                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1713         ], [
1714                 AC_MSG_RESULT(no)
1715         ])
1716
1717         dnl **********************************
1718         dnl *** Checks for  IP_PMTUDISC_DO ***
1719         dnl **********************************
1720         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1721         AC_TRY_COMPILE([#include <linux/in.h>], [
1722                 int level = IP_PMTUDISC_DO;
1723         ], [
1724                 # Yes, we have it...
1725                 AC_MSG_RESULT(yes)
1726                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1727         ], [
1728                 AC_MSG_RESULT(no)
1729         ])
1730
1731         dnl *********************************
1732         dnl *** Check for struct ip_mreqn ***
1733         dnl *********************************
1734         AC_MSG_CHECKING(for struct ip_mreqn)
1735         AC_TRY_COMPILE([#include <netinet/in.h>], [
1736                 struct ip_mreqn mreq;
1737                 mreq.imr_address.s_addr = 0;
1738         ], [
1739                 # Yes, we have it...
1740                 AC_MSG_RESULT(yes)
1741                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1742         ], [
1743                 # We'll just have to try and use struct ip_mreq
1744                 AC_MSG_RESULT(no)
1745                 AC_MSG_CHECKING(for struct ip_mreq)
1746                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1747                         struct ip_mreq mreq;
1748                         mreq.imr_interface.s_addr = 0;
1749                 ], [
1750                         # Yes, we have it...
1751                         AC_MSG_RESULT(yes)
1752                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1753                 ], [
1754                         # No multicast support
1755                         AC_MSG_RESULT(no)
1756                 ])
1757         ])
1758
1759         dnl **********************************
1760         dnl *** Check for getaddrinfo ***
1761         dnl **********************************
1762         AC_MSG_CHECKING(for getaddrinfo)
1763                 AC_TRY_LINK([
1764                 #include <stdio.h>
1765                 #include <netdb.h>
1766         ], [
1767                 getaddrinfo(NULL,NULL,NULL,NULL);
1768         ], [
1769                 # Yes, we have it...
1770                 AC_MSG_RESULT(yes)
1771                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1772         ], [
1773                 AC_MSG_RESULT(no)
1774         ])
1775
1776         dnl **********************************
1777         dnl *** Check for gethostbyname2_r ***
1778         dnl **********************************
1779         AC_MSG_CHECKING(for gethostbyname2_r)
1780                 AC_TRY_LINK([
1781                 #include <stdio.h>
1782                 #include <netdb.h>
1783         ], [
1784
1785                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1786         ], [
1787                 # Yes, we have it...
1788                 AC_MSG_RESULT(yes)
1789                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1790         ], [
1791                 AC_MSG_RESULT(no)
1792         ])
1793
1794         dnl **********************************
1795         dnl *** Check for gethostbyname2 ***
1796         dnl **********************************
1797         AC_MSG_CHECKING(for gethostbyname2)
1798                 AC_TRY_LINK([
1799                 #include <stdio.h>
1800                 #include <netdb.h>
1801         ], [
1802                 gethostbyname2(NULL,0);
1803         ], [
1804                 # Yes, we have it...
1805                 AC_MSG_RESULT(yes)
1806                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1807         ], [
1808                 AC_MSG_RESULT(no)
1809         ])
1810
1811         dnl **********************************
1812         dnl *** Check for gethostbyname ***
1813         dnl **********************************
1814         AC_MSG_CHECKING(for gethostbyname)
1815                 AC_TRY_LINK([
1816                 #include <stdio.h>
1817                 #include <netdb.h>
1818         ], [
1819                 gethostbyname(NULL);
1820         ], [
1821                 # Yes, we have it...
1822                 AC_MSG_RESULT(yes)
1823                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1824         ], [
1825                 AC_MSG_RESULT(no)
1826         ])
1827
1828         dnl **********************************
1829         dnl *** Check for getprotobyname ***
1830         dnl **********************************
1831         AC_MSG_CHECKING(for getprotobyname)
1832                 AC_TRY_LINK([
1833                 #include <stdio.h>
1834                 #include <netdb.h>
1835         ], [
1836                 getprotobyname(NULL);
1837         ], [
1838                 # Yes, we have it...
1839                 AC_MSG_RESULT(yes)
1840                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1841         ], [
1842                 AC_MSG_RESULT(no)
1843         ])
1844
1845         dnl **********************************
1846         dnl *** Check for getnameinfo ***
1847         dnl **********************************
1848         AC_MSG_CHECKING(for getnameinfo)
1849                 AC_TRY_LINK([
1850                 #include <stdio.h>
1851                 #include <netdb.h>
1852         ], [
1853                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1854         ], [
1855                 # Yes, we have it...
1856                 AC_MSG_RESULT(yes)
1857                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1858         ], [
1859                 AC_MSG_RESULT(no)
1860         ])
1861
1862
1863         dnl **********************************
1864         dnl *** Check for inet_ntop ***
1865         dnl **********************************
1866         AC_MSG_CHECKING(for inet_ntop)
1867                 AC_TRY_LINK([
1868                 #include <stdio.h>
1869                 #include <arpa/inet.h>
1870         ], [
1871                 inet_ntop (0, NULL, NULL, 0);
1872         ], [
1873                 # Yes, we have it...
1874                 AC_MSG_RESULT(yes)
1875                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1876         ], [
1877                 AC_MSG_RESULT(no)
1878         ])
1879
1880         dnl *****************************
1881         dnl *** Checks for libnsl     ***
1882         dnl *****************************
1883         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1884
1885         AC_CHECK_FUNCS(inet_pton inet_aton)
1886
1887         dnl *****************************
1888         dnl *** Checks for libxnet    ***
1889         dnl *****************************
1890         case "${host}" in
1891                 *solaris* )
1892                         AC_MSG_CHECKING(for Solaris XPG4 support)
1893                         if test -f /usr/lib/libxnet.so; then
1894                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1895                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1896                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1897                                 LIBS="$LIBS -lxnet"
1898                                 AC_MSG_RESULT(yes)
1899                         else
1900                                 AC_MSG_RESULT(no)
1901                         fi
1902
1903                         if test "$GCC" = "yes"; then
1904                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1905                         fi
1906                 ;;
1907         esac
1908
1909         dnl *****************************
1910         dnl *** Checks for libpthread ***
1911         dnl *****************************
1912 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1913 # and libpthread does not exist
1914 #
1915         case "${host}" in
1916                 *-*-*freebsd*)
1917                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1918                 ;;
1919                 *-*-*openbsd*)
1920                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1921                 ;;
1922                 *)
1923                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1924                 ;;
1925         esac
1926         AC_CHECK_HEADERS(pthread.h)
1927         AC_CHECK_HEADERS(pthread_np.h)
1928         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1929         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1930         AC_CHECK_FUNCS(pthread_kill)
1931         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1932         AC_TRY_COMPILE([ #include <pthread.h>], [
1933                 pthread_mutexattr_t attr;
1934                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1935         ], [
1936                 AC_MSG_RESULT(ok)
1937         ], [
1938                 AC_MSG_RESULT(no)
1939                 AC_ERROR(Posix system lacks support for recursive mutexes)
1940         ])
1941         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1942         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1943         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1944
1945         dnl **********************************
1946         dnl *** Check for mincore ***
1947         dnl **********************************
1948         AC_MSG_CHECKING(for mincore)
1949                 AC_TRY_LINK([
1950                 #include <stdio.h>
1951                 #include <sys/types.h>
1952                 #include <sys/mman.h>
1953         ], [
1954                 mincore(NULL, 0, NULL);
1955         ], [
1956                 # Yes, we have it...
1957                 AC_MSG_RESULT(yes)
1958                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1959         ], [
1960                 AC_MSG_RESULT(no)
1961         ])
1962
1963         dnl ***********************************
1964         dnl *** Checks for working __thread ***
1965         dnl ***********************************
1966         AC_MSG_CHECKING(for working __thread)
1967         if test "x$with_tls" != "x__thread"; then
1968                 AC_MSG_RESULT(disabled)
1969         elif test "x$cross_compiling" = "xyes"; then
1970                 AC_MSG_RESULT(cross compiling, assuming yes)
1971         else
1972                 AC_TRY_RUN([
1973                         #if defined(__APPLE__) && defined(__clang__)
1974                         #error "__thread does not currently work with clang on Mac OS X"
1975                         #endif
1976
1977                         #include <pthread.h>
1978                         __thread int i;
1979                         static int res1, res2;
1980
1981                         void thread_main (void *arg)
1982                         {
1983                                 i = arg;
1984                                 sleep (1);
1985                                 if (arg == 1)
1986                                         res1 = (i == arg);
1987                                 else
1988                                         res2 = (i == arg);
1989                         }
1990
1991                         int main () {
1992                                 pthread_t t1, t2;
1993
1994                                 i = 5;
1995
1996                                 pthread_create (&t1, NULL, thread_main, 1);
1997                                 pthread_create (&t2, NULL, thread_main, 2);
1998
1999                                 pthread_join (t1, NULL);
2000                                 pthread_join (t2, NULL);
2001
2002                                 return !(res1 + res2 == 2);
2003                         }
2004                 ], [
2005                                 AC_MSG_RESULT(yes)
2006                 ], [
2007                                 AC_MSG_RESULT(no)
2008                                 with_tls=pthread
2009                 ])
2010         fi
2011
2012         dnl **************************************
2013         dnl *** Checks for working sigaltstack ***
2014         dnl **************************************
2015         AC_MSG_CHECKING(for working sigaltstack)
2016         if test "x$with_sigaltstack" != "xyes"; then
2017                 AC_MSG_RESULT(disabled)
2018         elif test "x$cross_compiling" = "xyes"; then
2019                 AC_MSG_RESULT(cross compiling, assuming yes)
2020         else
2021                 AC_TRY_RUN([
2022                         #include <stdio.h>
2023                         #include <stdlib.h>
2024                         #include <unistd.h>
2025                         #include <signal.h>
2026                         #include <pthread.h>
2027                         #include <sys/wait.h>
2028                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2029                         #define SA_STACK SA_ONSTACK
2030                         #endif
2031                         static void
2032                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2033                         {
2034                                 exit (0);
2035                         }
2036
2037                         volatile char*__ptr = NULL;
2038                         static void *
2039                         loop (void *ignored)
2040                         {
2041                                 *__ptr = 0;
2042                                 return NULL;
2043                         }
2044
2045                         static void
2046                         child ()
2047                         {
2048                                 struct sigaction sa;
2049                         #ifdef __APPLE__
2050                                 stack_t sas;
2051                         #else
2052                                 struct sigaltstack sas;
2053                         #endif
2054                                 pthread_t id;
2055                                 pthread_attr_t attr;
2056
2057                                 sa.sa_sigaction = sigsegv_signal_handler;
2058                                 sigemptyset (&sa.sa_mask);
2059                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2060                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2061                                         perror ("sigaction");
2062                                         return;
2063                                 }
2064
2065                                 /* x86 darwin deliver segfaults using SIGBUS */
2066                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2067                                         perror ("sigaction");
2068                                         return;
2069                                 }
2070                                 sas.ss_sp = malloc (SIGSTKSZ);
2071                                 sas.ss_size = SIGSTKSZ;
2072                                 sas.ss_flags = 0;
2073                                 if (sigaltstack (&sas, NULL) == -1) {
2074                                         perror ("sigaltstack");
2075                                         return;
2076                                 }
2077
2078                                 pthread_attr_init (&attr);
2079                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2080                                         printf ("pthread_create\n");
2081                                         return;
2082                                 }
2083
2084                                 sleep (100);
2085                         }
2086
2087                         int
2088                         main ()
2089                         {
2090                                 pid_t son;
2091                                 int status;
2092                                 int i;
2093
2094                                 son = fork ();
2095                                 if (son == -1) {
2096                                         return 1;
2097                                 }
2098
2099                                 if (son == 0) {
2100                                         child ();
2101                                         return 0;
2102                                 }
2103
2104                                 for (i = 0; i < 300; ++i) {
2105                                         waitpid (son, &status, WNOHANG);
2106                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2107                                                 return 0;
2108                                         usleep (10000);
2109                                 }
2110
2111                                 kill (son, SIGKILL);
2112                                 return 1;
2113                         }
2114
2115                 ], [
2116                                 AC_MSG_RESULT(yes)
2117                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2118                 ], [
2119                                 with_sigaltstack=no
2120                                 AC_MSG_RESULT(no)
2121                 ])
2122         fi
2123
2124         dnl ********************************
2125         dnl *** Checks for semaphore lib ***
2126         dnl ********************************
2127         # 'Real Time' functions on Solaris
2128         # posix4 on Solaris 2.6
2129         # pthread (first!) on Linux
2130         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2131
2132         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2133         AC_CHECK_FUNCS(shm_open)
2134
2135         dnl ********************************
2136         dnl *** Checks for timezone stuff **
2137         dnl ********************************
2138         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2139                 AC_TRY_COMPILE([
2140                         #include <time.h>
2141                         ], [
2142                         struct tm tm;
2143                         tm.tm_gmtoff = 1;
2144                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2145         if test $ac_cv_struct_tm_gmtoff = yes; then
2146                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2147         else
2148                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2149                         AC_TRY_COMPILE([
2150                                 #include <time.h>
2151                         ], [
2152                                 timezone = 1;
2153                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2154                 if test $ac_cv_var_timezone = yes; then
2155                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2156                 else
2157                         AC_ERROR(unable to find a way to determine timezone)
2158                 fi
2159         fi
2160
2161         dnl *********************************
2162         dnl *** Checks for math functions ***
2163         dnl *********************************
2164         AC_SEARCH_LIBS(sqrtf, m)
2165         if test "x$has_broken_apple_cpp" != "xyes"; then
2166                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2167                         AC_TRY_LINK([#include <math.h>],
2168                         [ finite(0.0); ],
2169                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2170                         AC_MSG_RESULT(no)))
2171         fi
2172         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2173                 AC_TRY_LINK([#include <math.h>],
2174                 [ isfinite(0.0); ],
2175                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2176                 AC_MSG_RESULT(no)))
2177
2178         dnl ****************************************************************
2179         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2180         dnl *** have it in the library (duh))                            ***
2181         dnl ****************************************************************
2182         AC_CHECK_FUNCS(poll)
2183
2184         dnl *************************
2185         dnl *** Check for signbit ***
2186         dnl *************************
2187         AC_MSG_CHECKING(for signbit)
2188         AC_TRY_LINK([#include <math.h>], [
2189                 int s = signbit(1.0);
2190         ], [
2191                 AC_MSG_RESULT(yes)
2192                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2193         ], [
2194                 AC_MSG_RESULT(no)
2195         ])
2196
2197         dnl **********************************
2198         dnl *** epoll                      ***
2199         dnl **********************************
2200         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2201                 AC_CHECK_HEADERS(sys/epoll.h)
2202                 haveepoll=no
2203                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2204                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2205                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2206                 fi
2207         fi
2208
2209         havekqueue=no
2210
2211         AC_CHECK_HEADERS(sys/event.h)
2212         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2213
2214         dnl **************************************
2215         dnl * Darwin has a race that prevents us from using reliably:
2216         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2217         dnl * Since kqueue is mostly used for scaling large web servers,
2218         dnl * and very few folks run Mono on large web servers on OSX, falling
2219         dnl * back
2220         dnl **************************************
2221         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2222                 if test "x$host_darwin" = "xno"; then
2223                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2224                 fi
2225         fi
2226
2227         dnl ******************************
2228         dnl *** Checks for SIOCGIFCONF ***
2229         dnl ******************************
2230         AC_CHECK_HEADERS(sys/ioctl.h)
2231         AC_CHECK_HEADERS(net/if.h, [], [],
2232            [
2233            #ifdef HAVE_SYS_TYPES_H
2234            # include <sys/types.h>
2235            #endif
2236            #ifdef HAVE_SYS_SOCKET_H
2237            # include <sys/socket.h>
2238            #endif
2239            ])
2240         AC_MSG_CHECKING(for ifreq)
2241         AC_TRY_COMPILE([
2242                 #include <stdio.h>
2243                 #include <sys/ioctl.h>
2244                 #include <net/if.h>
2245                 ], [
2246                 struct ifconf ifc;
2247                 struct ifreq *ifr;
2248                 void *x;
2249                 ifc.ifc_len = 0;
2250                 ifc.ifc_buf = NULL;
2251                 x = (void *) &ifr->ifr_addr;
2252                 ],[
2253                         AC_MSG_RESULT(yes)
2254                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2255                 ], [
2256                         AC_MSG_RESULT(no)
2257                 ])
2258         dnl **********************************
2259         dnl ***     Checks for sin_len     ***
2260         dnl **********************************
2261         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2262         AC_TRY_COMPILE([
2263                 #include <netinet/in.h>
2264                 ], [
2265                 struct sockaddr_in saddr;
2266                 saddr.sin_len = sizeof (saddr);
2267                 ],[
2268                         AC_MSG_RESULT(yes)
2269                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2270                 ], [
2271                         AC_MSG_RESULT(no)
2272                 ])
2273         dnl **********************************
2274         dnl ***    Checks for sin6_len     ***
2275         dnl **********************************
2276         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2277         AC_TRY_COMPILE([
2278                 #include <netinet/in.h>
2279                 ], [
2280                 struct sockaddr_in6 saddr6;
2281                 saddr6.sin6_len = sizeof (saddr6);
2282                 ],[
2283                         AC_MSG_RESULT(yes)
2284                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2285                 ], [
2286                         AC_MSG_RESULT(no)
2287                 ])
2288         dnl **********************************
2289         dnl *** Check for getifaddrs       ***
2290         dnl **********************************
2291         AC_MSG_CHECKING(for getifaddrs)
2292                 AC_TRY_LINK([
2293                 #include <stdio.h>
2294                 #include <sys/types.h>
2295                 #include <sys/socket.h>
2296                 #include <ifaddrs.h>
2297         ], [
2298                 getifaddrs(NULL);
2299         ], [
2300                 # Yes, we have it...
2301                 AC_MSG_RESULT(yes)
2302                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2303         ], [
2304                 AC_MSG_RESULT(no)
2305         ])
2306         dnl **********************************
2307         dnl *** Check for if_nametoindex   ***
2308         dnl **********************************
2309         AC_MSG_CHECKING(for if_nametoindex)
2310                 AC_TRY_LINK([
2311                 #include <stdio.h>
2312                 #include <sys/types.h>
2313                 #include <sys/socket.h>
2314                 #include <net/if.h>
2315         ], [
2316                 if_nametoindex(NULL);
2317         ], [
2318                 # Yes, we have it...
2319                 AC_MSG_RESULT(yes)
2320                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2321         ], [
2322                 AC_MSG_RESULT(no)
2323         ])
2324
2325         dnl **********************************
2326         dnl *** Checks for MonoPosixHelper ***
2327         dnl **********************************
2328         AC_CHECK_HEADERS(checklist.h)
2329         AC_CHECK_HEADERS(pathconf.h)
2330         AC_CHECK_HEADERS(fstab.h)
2331         AC_CHECK_HEADERS(attr/xattr.h)
2332         AC_CHECK_HEADERS(sys/extattr.h)
2333         AC_CHECK_HEADERS(sys/sendfile.h)
2334         AC_CHECK_HEADERS(sys/statvfs.h)
2335         AC_CHECK_HEADERS(sys/statfs.h)
2336         AC_CHECK_HEADERS(sys/vfstab.h)
2337         AC_CHECK_HEADERS(sys/xattr.h)
2338         AC_CHECK_HEADERS(sys/mman.h)
2339         AC_CHECK_HEADERS(sys/param.h)
2340         AC_CHECK_HEADERS(sys/mount.h, [], [],
2341                 [
2342                 #ifdef HAVE_SYS_PARAM_H
2343                 # include <sys/param.h>
2344                 #endif
2345                 ])
2346         AC_CHECK_HEADERS(sys/mount.h)
2347         AC_CHECK_FUNCS(confstr)
2348         AC_CHECK_FUNCS(seekdir telldir)
2349         AC_CHECK_FUNCS(getdomainname)
2350         AC_CHECK_FUNCS(setdomainname)
2351         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2352         AC_CHECK_FUNCS(setgroups)
2353         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2354         AC_CHECK_FUNCS(getfsstat)
2355         AC_CHECK_FUNCS(lutimes futimes)
2356         AC_CHECK_FUNCS(mremap)
2357         AC_CHECK_FUNCS(remap_file_pages)
2358         AC_CHECK_FUNCS(posix_fadvise)
2359         AC_CHECK_FUNCS(posix_fallocate)
2360         AC_CHECK_FUNCS(posix_madvise)
2361         AC_CHECK_FUNCS(vsnprintf)
2362         AC_CHECK_FUNCS(sendfile)
2363         AC_CHECK_FUNCS(gethostid sethostid)
2364         AC_CHECK_FUNCS(sethostname)
2365         AC_CHECK_FUNCS(statfs)
2366         AC_CHECK_FUNCS(fstatfs)
2367         AC_CHECK_FUNCS(statvfs)
2368         AC_CHECK_FUNCS(fstatvfs)
2369         AC_CHECK_FUNCS(stime)
2370         AC_CHECK_FUNCS(strerror_r)
2371         AC_CHECK_FUNCS(ttyname_r)
2372         AC_CHECK_FUNCS(psignal)
2373         AC_CHECK_FUNCS(getlogin_r)
2374         AC_CHECK_FUNCS(lockf)
2375         AC_CHECK_FUNCS(swab)
2376         AC_CHECK_FUNCS(setusershell endusershell)
2377         AC_CHECK_FUNCS(futimens utimensat)
2378         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2379         AC_CHECK_FUNCS(readv writev preadv pwritev)
2380         AC_CHECK_FUNCS(setpgid)
2381         AC_CHECK_FUNCS(system)
2382         AC_CHECK_FUNCS(fork execv execve)
2383         AC_CHECK_FUNCS(accept4)
2384         AC_CHECK_SIZEOF(size_t)
2385         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2386                 [#include <sys/types.h>
2387                  #include <sys/stat.h>
2388                  #include <unistd.h>])
2389         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2390                 [#include <sys/types.h>
2391                  #include <sys/stat.h>
2392                  #include <unistd.h>])
2393         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2394                 [#include <sys/time.h>])
2395         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2396                 [#include <sys/socket.h>])
2397         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2398                 [#include <unistd.h>
2399                  #include <fcntl.h>])
2400         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2401                 [#include <sys/uio.h>])
2402         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2403                 [#include <sys/socket.h>])
2404         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2405                 [#include <sys/poll.h>])
2406         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2407                 [#include <sys/socket.h>])
2408         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2409                 [#include <sys/socket.h>])
2410         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2411                 [#include <netinet/in.h>])
2412         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2413                 [#include <netinet/in.h>])
2414         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2415                 [#include <sys/un.h>])
2416         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2417                 [#include <sys/types.h>
2418                  #include <sys/stat.h>
2419                  #include <unistd.h>])
2420         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2421                 [#include <time.h>])
2422         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2423                 [#include <sys/time.h>
2424                  #include <sys/types.h>
2425                  #include <utime.h>])
2426         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2427                 [#include <sys/time.h>])
2428         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2429                 [#include <sys/types.h>
2430                  #include <utime.h>])
2431         AC_CHECK_MEMBERS(
2432                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2433                 [#include <sys/types.h>
2434                  #include <dirent.h>])
2435         AC_CHECK_MEMBERS(
2436                 [struct passwd.pw_gecos],,,
2437                 [#include <sys/types.h>
2438                  #include <pwd.h>])
2439         AC_CHECK_MEMBERS(
2440                 [struct statfs.f_flags],,,
2441                 [#include <sys/types.h>
2442                  #include <sys/vfs.h>])
2443         AC_CHECK_MEMBERS(
2444                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2445                 [#include <sys/types.h>
2446                  #include <sys/stat.h>
2447                  #include <unistd.h>])
2448
2449         dnl Favour xattr through glibc, but use libattr if we have to
2450         AC_CHECK_FUNC(lsetxattr, ,
2451                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2452         )
2453         AC_SUBST(XATTR_LIB)
2454
2455         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2456         AC_CHECK_MEMBERS(
2457                 [struct kinfo_proc.kp_proc],,,
2458                 [#include <sys/types.h>
2459                  #include <sys/param.h>
2460                  #include <sys/sysctl.h>
2461                  #include <sys/proc.h>
2462                  ])
2463
2464         dnl *********************************
2465         dnl *** Checks for Windows compilation ***
2466         dnl *********************************
2467         AC_CHECK_HEADERS(sys/time.h)
2468         AC_CHECK_HEADERS(sys/param.h)
2469         AC_CHECK_HEADERS(dirent.h)
2470
2471         dnl ******************************************
2472         dnl *** Checks for OSX and iOS compilation ***
2473         dnl ******************************************
2474         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2475
2476         dnl *********************************
2477         dnl *** Check for Console 2.0 I/O ***
2478         dnl *********************************
2479         AC_CHECK_HEADERS([curses.h])
2480         AC_CHECK_HEADERS([term.h], [], [],
2481         [#if HAVE_CURSES_H
2482          #include <curses.h>
2483          #endif
2484         ])
2485         AC_CHECK_HEADERS([termios.h])
2486 else
2487         dnl *********************************
2488         dnl *** Checks for Windows compilation ***
2489         dnl *********************************
2490         AC_CHECK_HEADERS(winternl.h)
2491
2492         jdk_headers_found=no
2493         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2494         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2495         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2496         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2497         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2498         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2499         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2500
2501         dnl *********************************
2502         dnl *** Check for struct ip_mreqn ***
2503         dnl *********************************
2504         AC_MSG_CHECKING(for struct ip_mreqn)
2505         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2506                 struct ip_mreqn mreq;
2507                 mreq.imr_address.s_addr = 0;
2508         ], [
2509                 # Yes, we have it...
2510                 AC_MSG_RESULT(yes)
2511                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2512         ], [
2513                 # We'll just have to try and use struct ip_mreq
2514                 AC_MSG_RESULT(no)
2515                 AC_MSG_CHECKING(for struct ip_mreq)
2516                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2517                         struct ip_mreq mreq;
2518                         mreq.imr_interface.s_addr = 0;
2519                 ], [
2520                         # Yes, we have it...
2521                         AC_MSG_RESULT(yes)
2522                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2523                 ], [
2524                         # No multicast support
2525                         AC_MSG_RESULT(no)
2526                 ])
2527         ])
2528
2529         dnl **********************************
2530         dnl *** Check for getaddrinfo ***
2531         dnl **********************************
2532         AC_MSG_CHECKING(for getaddrinfo)
2533                 AC_TRY_LINK([
2534                 #include <stdio.h>
2535                 #include <winsock2.h>
2536                 #include <ws2tcpip.h>
2537         ], [
2538                 getaddrinfo(NULL,NULL,NULL,NULL);
2539         ], [
2540                 # Yes, we have it...
2541                 AC_MSG_RESULT(yes)
2542                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2543         ], [
2544                 AC_MSG_RESULT(no)
2545         ])
2546
2547         dnl **********************************
2548         dnl *** Check for gethostbyname ***
2549         dnl **********************************
2550         AC_MSG_CHECKING(for gethostbyname)
2551                 AC_TRY_LINK([
2552                 #include <stdio.h>
2553                 #include <winsock2.h>
2554                 #include <ws2tcpip.h>
2555         ], [
2556                 gethostbyname(NULL);
2557         ], [
2558                 # Yes, we have it...
2559                 AC_MSG_RESULT(yes)
2560                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2561         ], [
2562                 AC_MSG_RESULT(no)
2563         ])
2564
2565         dnl **********************************
2566         dnl *** Check for getprotobyname ***
2567         dnl **********************************
2568         AC_MSG_CHECKING(for getprotobyname)
2569                 AC_TRY_LINK([
2570                 #include <stdio.h>
2571                 #include <winsock2.h>
2572                 #include <ws2tcpip.h>
2573         ], [
2574                 getprotobyname(NULL);
2575         ], [
2576                 # Yes, we have it...
2577                 AC_MSG_RESULT(yes)
2578                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2579         ], [
2580                 AC_MSG_RESULT(no)
2581         ])
2582
2583         dnl **********************************
2584         dnl *** Check for getnameinfo ***
2585         dnl **********************************
2586         AC_MSG_CHECKING(for getnameinfo)
2587                 AC_TRY_LINK([
2588                 #include <stdio.h>
2589                 #include <winsock2.h>
2590                 #include <ws2tcpip.h>
2591         ], [
2592                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2593         ], [
2594                 # Yes, we have it...
2595                 AC_MSG_RESULT(yes)
2596                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2597         ], [
2598                 AC_MSG_RESULT(no)
2599         ])
2600
2601         dnl **********************************
2602         dnl *** Check for inet_ntop ***
2603         dnl **********************************
2604         AC_MSG_CHECKING(for inet_ntop)
2605                 AC_TRY_LINK([
2606                 #include <stdio.h>
2607                 #include <winsock2.h>
2608                 #include <ws2tcpip.h>
2609         ], [
2610                 inet_ntop (0, NULL, NULL, 0);
2611         ], [
2612                 # Yes, we have it...
2613                 AC_MSG_RESULT(yes)
2614                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2615         ], [
2616                 AC_MSG_RESULT(no)
2617         ])
2618
2619         dnl **********************************
2620         dnl *** Check for inet_pton ***
2621         dnl **********************************
2622         AC_MSG_CHECKING(for inet_pton)
2623                 AC_TRY_LINK([
2624                 #include <stdio.h>
2625                 #include <winsock2.h>
2626                 #include <ws2tcpip.h>
2627         ], [
2628                 #ifndef inet_pton
2629                 (void) inet_pton;
2630                 #endif
2631                 inet_pton (0, NULL, NULL);
2632         ], [
2633                 # Yes, we have it...
2634                 AC_MSG_RESULT(yes)
2635                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2636         ], [
2637                 AC_MSG_RESULT(no)
2638         ])
2639
2640         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2641         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2642         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2643         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2644         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2645         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2646         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2647 fi
2648
2649 dnl socklen_t check
2650 AC_MSG_CHECKING(for socklen_t)
2651 AC_TRY_COMPILE([
2652 #include <sys/types.h>
2653 #include <sys/socket.h>
2654 ],[
2655   socklen_t foo;
2656 ],[
2657 ac_cv_c_socklen_t=yes
2658         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2659         AC_MSG_RESULT(yes)
2660 ],[
2661         AC_MSG_RESULT(no)
2662 ])
2663
2664 AC_MSG_CHECKING(for array element initializer support)
2665 AC_TRY_COMPILE([#include <sys/socket.h>], [
2666         const int array[] = {[1] = 2,};
2667 ], [
2668         # Yes, we have it...
2669         AC_MSG_RESULT(yes)
2670         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2671 ], [
2672         # We'll have to use signals
2673         AC_MSG_RESULT(no)
2674 ])
2675
2676 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2677         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2678         AC_TRY_LINK([#include <math.h>],
2679         [ static void *p = &trunc; ],
2680         [
2681                 AC_DEFINE(HAVE_TRUNC)
2682                 AC_MSG_RESULT(yes)
2683                 ac_cv_trunc=yes
2684         ],
2685         AC_MSG_RESULT(no)))
2686
2687 if test "x$ac_cv_truncl" != "xyes"; then
2688    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2689 fi
2690
2691 AC_CHECK_FUNCS(execvp)
2692
2693 dnl ****************************
2694 dnl *** Look for /dev/random ***
2695 dnl ****************************
2696
2697 AC_MSG_CHECKING([if usage of random device is requested])
2698 AC_ARG_ENABLE(dev-random,
2699 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2700 try_dev_random=$enableval, try_dev_random=yes)
2701
2702 AC_MSG_RESULT($try_dev_random)
2703
2704 case "{$build}" in
2705     *-openbsd*)
2706     NAME_DEV_RANDOM="/dev/srandom"
2707     ;;
2708
2709 dnl Win32 does not have /dev/random, they have their own method...
2710
2711     *-mingw*|*-*-cygwin*)
2712     ac_cv_have_dev_random=no
2713     ;;
2714
2715 dnl Everywhere else, it's /dev/random
2716
2717     *)
2718     NAME_DEV_RANDOM="/dev/random"
2719     ;;
2720 esac
2721
2722 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2723
2724 dnl Now check if the device actually exists
2725
2726 if test "x$try_dev_random" = "xyes"; then
2727     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2728     [if test -r "$NAME_DEV_RANDOM" ; then
2729         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2730     if test "x$ac_cv_have_dev_random" = "xyes"; then
2731         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2732     fi
2733 else
2734     AC_MSG_CHECKING(for random device)
2735     ac_cv_have_dev_random=no
2736     AC_MSG_RESULT(has been disabled)
2737 fi
2738
2739 if test "x$host_win32" = "xyes"; then
2740     AC_DEFINE(HAVE_CRYPT_RNG)
2741 fi
2742
2743 if test "x$ac_cv_have_dev_random" = "xno" \
2744     && test "x$host_win32" = "xno"; then
2745     AC_MSG_WARN([[
2746 ***
2747 *** A system-provided entropy source was not found on this system.
2748 *** Because of this, the System.Security.Cryptography random number generator
2749 *** will throw a NotImplemented exception.
2750 ***
2751 *** If you are seeing this message, and you know your system DOES have an
2752 *** entropy collection in place, please contact <crichton@gimp.org> and
2753 *** provide information about the system and how to access the random device.
2754 ***
2755 *** Otherwise you can install either egd or prngd and set the environment
2756 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2757 ***]])
2758 fi
2759
2760 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2761
2762 AC_MSG_CHECKING([if big-arrays are to be enabled])
2763 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2764 if test "x$enable_big_arrays" = "xyes" ; then
2765     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2766         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2767     else
2768         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2769     fi
2770 fi
2771 AC_MSG_RESULT($enable_big_arrays)
2772
2773 dnl **************
2774 dnl *** DTRACE ***
2775 dnl **************
2776
2777 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2778
2779 if test "x$enable_dtrace" = "xyes"; then
2780    if test "x$has_dtrace" = "xno"; then
2781           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2782    fi
2783    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2784    if test "x$DTRACE" = "xno"; then
2785           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2786           enable_dtrace=no
2787    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2788           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2789           enable_dtrace=no
2790    fi
2791 fi
2792
2793 dtrace_g=no
2794 if test "x$enable_dtrace" = "xyes"; then
2795         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2796         DTRACEFLAGS=
2797         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2798                 case "$host" in
2799                         powerpc-*-darwin*)
2800                         DTRACEFLAGS="-arch ppc64"
2801                         ;;
2802                         i*86-*-darwin*)
2803                         DTRACEFLAGS="-arch x86_64"
2804                         ;;
2805                         *)
2806                         DTRACEFLAGS=-64
2807                         ;;
2808                 esac
2809         else
2810                 case "$host" in
2811                         powerpc-*-darwin*)
2812                         DTRACEFLAGS="-arch ppc"
2813                         ;;
2814                         i*86-*-darwin*)
2815                         DTRACEFLAGS="-arch i386"
2816                         ;;
2817                         *)
2818                         DTRACEFLAGS=-32
2819                         ;;
2820                 esac
2821         fi
2822         AC_SUBST(DTRACEFLAGS)
2823         case "$host" in
2824                 *-*-solaris*)
2825                 dtrace_g=yes
2826                 ;;
2827         esac
2828         AC_CHECK_HEADERS([sys/sdt.h])
2829 fi
2830 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2831 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2832
2833 dnl **************
2834 dnl ***  NaCl  ***
2835 dnl **************
2836
2837 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2838 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2839
2840 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2841
2842 dnl
2843 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2844 dnl
2845 nacl_self_host=""
2846 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2847    nacl_self_host="nacl_self_host"
2848 fi
2849 AC_SUBST(nacl_self_host)
2850
2851 if test "x$enable_nacl_codegen" = "xyes"; then
2852    MONO_NACL_ALIGN_MASK_OFF=1
2853    AC_DEFINE(TARGET_NACL, 1, [...])
2854    AC_DEFINE(__native_client_codegen__, 1, [...])
2855 fi
2856 if test "x$enable_nacl_gc" = "xyes"; then
2857    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2858       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2859    else
2860       # Not yet implemented
2861       INSTRUMENT_CFLAG=""
2862    fi
2863    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2864 fi
2865 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2866
2867 dnl **************************
2868 dnl *** AOT cross offsets  ***
2869 dnl **************************
2870
2871 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2872     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2873
2874 dnl **************
2875 dnl ***  LLVM  ***
2876 dnl **************
2877
2878 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2879 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2880 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2881 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2882
2883 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2884
2885 if test "x$enable_llvm" = "xdefault"; then
2886    enable_llvm=$enable_llvm_default
2887 fi
2888
2889 if test "x$enable_llvm" = "xyes"; then
2890    if test "x$with_llvm" != "x"; then
2891           LLVM_CONFIG=$with_llvm/bin/llvm-config
2892           if test x$host_win32 = xyes; then
2893                 LLVM_CONFIG=$LLVM_CONFIG.exe
2894           fi
2895           if test ! -x $LLVM_CONFIG; then
2896                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2897       fi
2898    else
2899       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2900       if test "x$LLVM_CONFIG" = "xno"; then
2901              AC_MSG_ERROR([llvm-config not found.])
2902       fi
2903    fi
2904
2905    llvm_codegen="x86codegen"
2906    case "$target" in
2907    arm*)
2908                 llvm_codegen="armcodegen"
2909                 ;;
2910    esac
2911
2912    if test "x$host_win32" = "xno"; then
2913
2914    # Should be something like '2.6' or '2.7svn'
2915    llvm_version=`$LLVM_CONFIG --version`
2916    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2917    AC_MSG_CHECKING(LLVM version)
2918    AC_MSG_RESULT($llvm_version $llvm_api_version)
2919    if echo $llvm_version | grep -q 'mono'; then
2920           if test "x$enable_llvm_version_check" = "xyes"; then
2921                  if test "$llvm_version" != "$expected_llvm_version"; then
2922                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2923                  fi
2924           fi
2925    else
2926           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.])
2927    fi
2928
2929    # The output of --cflags seems to include optimizations flags too
2930    if test $llvm_api_version -gt 100; then
2931           # The --cflags argument includes all kinds of warnings -pendantic etc.
2932           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2933           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2934    else
2935           LLVM_CFLAGS=`$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'`
2936       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2937    fi
2938    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2939    # from LLVM classes.
2940    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2941    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2942    # This might include empty lines
2943    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2944    llvm_jit_supported=yes
2945    llvm_jit_libs="jit mcjit $llvm_codegen"
2946    if test "x$host" != "x$target"; then
2947       # No need for jit libs
2948           llvm_jit_supported=no
2949       llvm_jit_libs=""
2950    elif test $llvm_api_version -gt 100; then
2951       llvm_jit_libs="orcjit $llvm_codegen"
2952    fi
2953    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2954    if test "x$LLVM_LIBS" = "x"; then
2955           echo "$LLVM_CONFIG --libs failed."
2956           exit 1
2957    fi
2958    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2959    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2960    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2961       LLVM_LIBS="$LLVM_LIBS -lc++"
2962    else
2963       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2964    fi
2965
2966    expected_llvm_version="3.4svn-mono-mono/e656cac"
2967
2968    else
2969        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2970        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2971        LLVM_LDFLAGS="-L$with_llvm/lib"
2972        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2973        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2974          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2975          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2976          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2977          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2978          -lLLVMAnalysis -lLLVMTarget \
2979          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2980          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2981          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2982          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2983          -lLLVMSupport -lstdc++"
2984        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2985
2986        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2987        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2988    fi
2989
2990    if test "x$llvm_api_version" = "x"; then
2991           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2992           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2993    else
2994           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2995           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2996    fi
2997
2998    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2999
3000    AC_SUBST(LLVM_CFLAGS)
3001    AC_SUBST(LLVM_CXXFLAGS)
3002    AC_SUBST(LLVM_LIBS)
3003    AC_SUBST(LLVM_LDFLAGS)
3004    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3005 fi
3006
3007 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3008 if test "x$enable_loadedllvm" = "xyes"; then
3009    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3010 fi
3011 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3012
3013 if test "x$enable_llvm" = "xyes"; then
3014    enable_llvm_runtime=yes
3015 fi
3016 if test "x$enable_llvm_runtime" = "xyes"; then
3017    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3018 fi
3019 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3020
3021 TARGET="unknown"
3022 ACCESS_UNALIGNED="yes"
3023
3024 LIBC="libc.so.6"
3025 INTL="libc.so.6"
3026 SQLITE="libsqlite.so.0"
3027 SQLITE3="libsqlite3.so.0"
3028 X11="libX11.so"
3029 GDKX11="libgdk-x11-2.0.so.0"
3030 GTKX11="libgtk-x11-2.0.so.0"
3031 XINERAMA="libXinerama.so.1"
3032
3033 sizeof_register="SIZEOF_VOID_P"
3034
3035 jit_wanted=true
3036 boehm_supported=true
3037 BTLS_SUPPORTED=no
3038 BTLS_PLATFORM=
3039 case "$host" in
3040         mips*)
3041                 TARGET=MIPS;
3042                 arch_target=mips;
3043                 with_tls=pthread;
3044                 ACCESS_UNALIGNED="no"
3045
3046                 AC_MSG_CHECKING(for mips n32)
3047                 AC_TRY_COMPILE([],[
3048                 #if _MIPS_SIM != _ABIN32
3049                 #error Not mips n32
3050                 #endif
3051                 return 0;
3052                 ],[
3053                 AC_MSG_RESULT(yes)
3054                 sizeof_register=8
3055                 ],[
3056                 AC_MSG_RESULT(no)
3057                 ])
3058                 ;;
3059         i*86-*-*)
3060                 TARGET=X86;
3061                 arch_target=x86;
3062                 case $host_os in
3063                   solaris*)
3064                         LIBC="libc.so"
3065                         INTL="libintl.so"
3066                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3067                                 TARGET=AMD64
3068                                 arch_target=amd64
3069                         fi
3070
3071                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3072                         # int astruct __attribute__ ((visibility ("hidden")));
3073                         # void foo ()
3074                         # {
3075                         #       void *p = &astruct;
3076                         # }
3077                         # gcc -fPIC --shared -o libfoo.so foo.c
3078                         # yields:
3079                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3080                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3081                         have_visibility_hidden=no
3082                         ;;
3083                   mingw*|cygwin*)
3084                         have_visibility_hidden=no
3085                         ;;
3086                   haiku*)
3087                         LIBC=libroot.so
3088                         ;;
3089                   linux*)
3090                         AOT_SUPPORTED="yes"
3091                         BTLS_SUPPORTED=yes
3092                         BTLS_PLATFORM=i386
3093                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3094                         ;;
3095                   darwin*)
3096                         AOT_SUPPORTED="yes"
3097                         BTLS_SUPPORTED=yes
3098                         BTLS_PLATFORM=i386
3099                         ;;
3100                   openbsd*|freebsd*|kfreebsd-gnu*)
3101                         ;;
3102                 esac
3103                 ;;
3104         x86_64-*-* | amd64-*-*)
3105                 TARGET=AMD64;
3106                 arch_target=amd64;
3107                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3108                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3109                         sizeof_register=8
3110                 fi
3111                 case $host_os in
3112                   linux*)
3113                         AOT_SUPPORTED="yes"
3114                         BTLS_SUPPORTED=yes
3115                         BTLS_PLATFORM=x86_64
3116                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3117                         ;;
3118                   darwin*)
3119                         AOT_SUPPORTED="yes"
3120                         BTLS_SUPPORTED=yes
3121                         BTLS_PLATFORM=x86_64
3122                         boehm_supported=false
3123                         ;;
3124                   openbsd*|freebsd*|kfreebsd-gnu*)
3125                         ;;
3126                   mingw*)
3127                         ;;
3128                 esac
3129                 case "$host" in
3130                         x86_64-*-nacl*)
3131                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3132                                 sizeof_register=8
3133                                 ;;
3134                 esac
3135                 ;;
3136         ia64-*-*)
3137                 TARGET=IA64
3138                 arch_target=ia64
3139                 ACCESS_UNALIGNED="no"
3140                 LIBC="libc.so.6.1"
3141                 INTL="libc.so.6.1"
3142                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3143                 libmono_ldflags="-lunwind"
3144                 ;;
3145         sparc*-*-*)
3146                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3147                    TARGET=SPARC64
3148                 else
3149                         TARGET=SPARC
3150                 fi
3151                 arch_target=sparc;
3152                 ACCESS_UNALIGNED="no"
3153                 case $host_os in
3154                   linux*) ;;
3155                   *)
3156                         LIBC="libc.so"
3157                         INTL="libintl.so"
3158                 esac
3159                 if test x"$GCC" = xyes; then
3160                         # We don't support v8 cpus
3161                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3162                 fi
3163                 if test x"$AR" = xfalse; then
3164                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3165                 fi
3166                 ;;
3167         *-mingw*|*-*-cygwin*)
3168                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3169                 have_visibility_hidden=no
3170                 INTL="intl"
3171                 ;;
3172         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3173         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3174                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3175                         TARGET=POWERPC64;
3176                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3177                         CFLAGS="$CFLAGS -mminimal-toc"
3178                 else
3179                         TARGET=POWERPC;
3180                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3181                 fi
3182                 arch_target=ppc;
3183                 case $host_os in
3184                   linux*|darwin*)
3185                         ;;
3186                 esac
3187                 ;;
3188         armv7k-*-darwin*)
3189                 TARGET=ARM;
3190                 TARGET_SYS=WATCHOS
3191                 arch_target=arm;
3192                 arm_fpu=VFP_HARD
3193                 ACCESS_UNALIGNED="no"
3194                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3195                 ;;
3196
3197         arm*-darwin*)
3198                 TARGET=ARM;
3199                 arch_target=arm;
3200                 ACCESS_UNALIGNED="no"
3201                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3202                 ;;
3203         arm*-linux*)
3204                 TARGET=ARM;
3205                 arch_target=arm;
3206                 ACCESS_UNALIGNED="no"
3207                 AOT_SUPPORTED="yes"
3208                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3209                 ;;
3210         arm*-netbsd*-eabi*)
3211                 TARGET=ARM;
3212                 arch_target=arm;
3213                 ACCESS_UNALIGNED="no"
3214                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3215                 ;;
3216 # TODO: make proper support for NaCl host.
3217 #        arm*-*nacl)
3218 #               TARGET=ARM;
3219 #               arch_target=arm;
3220 #               ACCESS_UNALIGNED="no"
3221 #               AOT_SUPPORTED="no"
3222 #               ;;
3223         aarch64-*)
3224                 # https://lkml.org/lkml/2012/7/15/133
3225                 TARGET=ARM64
3226                 arch_target=arm64
3227                 boehm_supported=false
3228                 AOT_SUPPORTED="yes"
3229                 ;;
3230         s390x-*-linux*)
3231                 TARGET=S390X;
3232                 arch_target=s390x;
3233                 ACCESS_UNALIGNED="yes"
3234                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3235                 ;;
3236 esac
3237
3238 HOST=$TARGET
3239
3240 if test "x$host" != "x$target"; then
3241    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3242    enable_mcs_build=no
3243    BTLS_SUPPORTED=no
3244    case "$target" in
3245    arm*-darwin*)
3246                 TARGET=ARM;
3247                 arch_target=arm;
3248                 ACCESS_UNALIGNED="no"
3249                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3250                 # Can't use tls, since it depends on the runtime detection of tls offsets
3251                 # in mono-compiler.h
3252                 with_tls=pthread
3253                 case "$target" in
3254                 armv7k-*)
3255                         arm_fpu=VFP_HARD
3256                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3257                         ;;
3258                 esac
3259                 ;;
3260    powerpc64-ps3-linux-gnu)
3261                 TARGET=POWERPC64
3262                 arch_target=powerpc64
3263                 AC_DEFINE(TARGET_PS3, 1, [...])
3264                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3265                 # uses this define
3266                 AC_DEFINE(__mono_ppc64__, 1, [...])
3267                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3268                 sizeof_register=8
3269                 target_byte_order=G_BIG_ENDIAN
3270                 ;;
3271    powerpc64-xbox360-linux-gnu)
3272                 TARGET=POWERPC64
3273                 arch_target=powerpc64
3274                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3275                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3276                 # uses this define
3277                 sizeof_register=8
3278                 target_byte_order=G_BIG_ENDIAN
3279                 ;;
3280    x86_64-*-nacl)
3281                 TARGET=AMD64
3282                 arch_target=amd64
3283                 AC_DEFINE(TARGET_AMD64, 1, [...])
3284                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3285                 sizeof_register=8
3286                 ;;
3287 # TODO: make proper support for NaCl target.
3288 #   arm*-*nacl)
3289 #               TARGET=ARM
3290 #               arch_target=arm
3291 #               AC_DEFINE(TARGET_ARM, 1, [...])
3292 #               ACCESS_UNALIGNED="no"
3293 #               sizeof_register=4
3294 #               CPPFLAGS="$CPPFLAGS \
3295 #                    -D__ARM_EABI__ \
3296 #                    -D__arm__ \
3297 #                    -D__portable_native_client__ \
3298 #                    -Dtimezone=_timezone \
3299 #                    -DDISABLE_SOCKETS \
3300 #                    -DDISABLE_ATTACH \
3301 #                    -DUSE_NEWLIB"
3302                 # Can't use tls, since it depends on the runtime detection of tls offsets
3303                 # in mono-compiler.h
3304 #               with_tls=pthread
3305 #               ;;
3306    i686-*-nacl)
3307                 TARGET=X86
3308                 arch_target=x86
3309                 AC_DEFINE(TARGET_X86, 1, [...])
3310                 sizeof_register=4
3311                 ;;
3312    arm*-linux-*)
3313                 TARGET=ARM;
3314                 arch_target=arm;
3315                 AC_DEFINE(TARGET_ARM, 1, [...])
3316                 ACCESS_UNALIGNED="no"
3317                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3318                 # Can't use tls, since it depends on the runtime detection of tls offsets
3319                 # in mono-compiler.h
3320                 with_tls=pthread
3321                 target_mach=no
3322                 case "$target" in
3323                 armv7l-unknown-linux-gnueabi*)
3324                         # TEGRA
3325                         CPPFLAGS="$CPPFLAGS"
3326                         ;;
3327                 armv5-*-linux-androideabi*)
3328                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3329                         CPPFLAGS="$CPPFLAGS"
3330                         ;;
3331                 *-linux-androideabi*)
3332                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3333                         CPPFLAGS="$CPPFLAGS"
3334                         ;;
3335                 esac
3336                 ;;
3337    arm*-netbsd*-eabi*)
3338                 TARGET=ARM;
3339                 arch_target=arm;
3340                 AC_DEFINE(TARGET_ARM, 1, [...])
3341                 ACCESS_UNALIGNED="no"
3342                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3343                 # Can't use tls, since it depends on the runtime detection of tls offsets
3344                 # in mono-compiler.h
3345                 with_tls=pthread
3346                 target_mach=no
3347                 ;;
3348    i686*-linux-*)
3349                 TARGET=X86;
3350                 arch_target=x86;
3351                 AC_DEFINE(TARGET_X86, 1, [...])
3352                 CPPFLAGS="$CPPFLAGS"
3353                 # Can't use tls, since it depends on the runtime detection of tls offsets
3354                 # in mono-compiler.h
3355                 with_tls=pthread
3356                 target_mach=no
3357
3358                 case "$target" in
3359                 *-linux-android*)
3360                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3361                         ;;
3362                 esac
3363                 ;;
3364    x86_64*-linux-*)
3365                 TARGET=AMD64;
3366                 arch_target=amd64;
3367                 AC_DEFINE(TARGET_AMD64, 1, [...])
3368                 CPPFLAGS="$CPPFLAGS"
3369                 # Can't use tls, since it depends on the runtime detection of tls offsets
3370                 # in mono-compiler.h
3371                 with_tls=pthread
3372                 target_mach=no
3373
3374                 case "$target" in
3375                 *-linux-android*)
3376                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3377                         ;;
3378                 esac
3379                 ;;
3380    x86_64-ps4-freebsd)
3381                 TARGET=AMD64;
3382                 arch_target=amd64;
3383                 AC_DEFINE(TARGET_AMD64, 1, [...])
3384                 AC_DEFINE(TARGET_PS4, 1, [...])
3385                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3386                 CPPFLAGS="$CPPFLAGS"
3387                 # Can't use tls, since it depends on the runtime detection of tls offsets
3388                 # in mono-compiler.h
3389                 with_tls=pthread
3390                 target_mach=no
3391                 target_win32=no
3392                 ;;
3393    aarch64*-linux-*)
3394                 TARGET=ARM64;
3395                 arch_target=arm64;
3396                 AC_DEFINE(TARGET_ARM64, 1, [...])
3397                 CPPFLAGS="$CPPFLAGS"
3398                 # Can't use tls, since it depends on the runtime detection of tls offsets
3399                 # in mono-compiler.h
3400                 with_tls=pthread
3401                 target_mach=no
3402                 case "$target" in
3403                 *-linux-android*)
3404                         AC_DEFINE(TARGET_ANDROID, 1, [...])
3405                         ;;
3406                 esac
3407                 ;;
3408         aarch64-*)
3409                 TARGET=ARM64
3410                 ;;
3411         *)
3412                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3413         esac
3414 fi
3415
3416 case "$TARGET" in
3417 X86)
3418         AC_DEFINE(TARGET_X86, 1, [...])
3419         ;;
3420 AMD64)
3421         AC_DEFINE(TARGET_AMD64, 1, [...])
3422         ;;
3423 ARM)
3424         AC_DEFINE(TARGET_ARM, 1, [...])
3425         ;;
3426 ARM64)
3427         AC_DEFINE(TARGET_ARM64, 1, [...])
3428         ;;
3429 POWERPC)
3430         AC_DEFINE(TARGET_POWERPC, 1, [...])
3431         ;;
3432 POWERPC64)
3433         AC_DEFINE(TARGET_POWERPC, 1, [...])
3434         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3435         ;;
3436 S390X)
3437         AC_DEFINE(TARGET_S390X, 1, [...])
3438         ;;
3439 MIPS)
3440         AC_DEFINE(TARGET_MIPS, 1, [...])
3441         ;;
3442 IA64)
3443         AC_DEFINE(TARGET_IA64, 1, [...])
3444         ;;
3445 SPARC)
3446         AC_DEFINE(TARGET_SPARC, 1, [...])
3447         ;;
3448 SPARC64)
3449         AC_DEFINE(TARGET_SPARC64, 1, [...])
3450         ;;
3451 esac
3452
3453 case "$HOST" in
3454 X86)
3455         AC_DEFINE(HOST_X86, 1, [...])
3456         ;;
3457 AMD64)
3458         AC_DEFINE(HOST_AMD64, 1, [...])
3459         ;;
3460 ARM)
3461         AC_DEFINE(HOST_ARM, 1, [...])
3462         ;;
3463 ARM64)
3464         AC_DEFINE(HOST_ARM64, 1, [...])
3465         ;;
3466 POWERPC)
3467         AC_DEFINE(HOST_POWERPC, 1, [...])
3468         ;;
3469 POWERPC64)
3470         AC_DEFINE(HOST_POWERPC, 1, [...])
3471         AC_DEFINE(HOST_POWERPC64, 1, [...])
3472         ;;
3473 S390X)
3474         AC_DEFINE(HOST_S390X, 1, [...])
3475         ;;
3476 MIPS)
3477         AC_DEFINE(HOST_MIPS, 1, [...])
3478         ;;
3479 IA64)
3480         AC_DEFINE(HOST_IA64, 1, [...])
3481         ;;
3482 SPARC)
3483         AC_DEFINE(HOST_SPARC, 1, [...])
3484         ;;
3485 SPARC64)
3486         AC_DEFINE(HOST_SPARC64, 1, [...])
3487         ;;
3488 esac
3489
3490
3491
3492 dnl *************
3493 dnl *** VTUNE ***
3494 dnl *************
3495
3496 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3497 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3498
3499 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3500
3501 if test "x$enable_vtune" = "xyes"; then
3502         if test "x$with_vtune" = "x"; then
3503                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3504         else
3505                 VTUNE_PATH=$with_vtune
3506         fi
3507         VTUNE_INCLUDE=$VTUNE_PATH/include
3508         case "$TARGET" in
3509         X86)
3510                 VTUNE_LIB=$VTUNE_PATH/lib32
3511                 ;;
3512         AMD64)
3513                 VTUNE_LIB=$VTUNE_PATH/lib64
3514                 ;;
3515         *)
3516                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3517                 ;;
3518         esac
3519         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3520                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3521         fi
3522         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3523                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3524         fi
3525
3526         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3527         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3528
3529         AC_SUBST(VTUNE_LIBS)
3530         AC_SUBST(VTUNE_CFLAGS)
3531 fi
3532 dnl Use GCC atomic ops if they work on the target.
3533 if test x$GCC = "xyes"; then
3534         case $TARGET in
3535         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3536                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3537                 ;;
3538         esac
3539 fi
3540
3541 if test "x$target_mach" = "xyes"; then
3542
3543    if test "x$TARGET_SYS" = "xWATCHOS"; then
3544           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3545           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3546           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3547           BTLS_SUPPORTED=no
3548    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3549           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3550           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3551           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3552           BTLS_SUPPORTED=no
3553    else
3554        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3555        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3556        #error fail this for ios
3557        #endif
3558        return 0;
3559        ], [
3560                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3561           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3562           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3563           target_osx=yes
3564        ], [
3565           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3566           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3567           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3568           BTLS_SUPPORTED=no
3569        ])
3570         fi
3571    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3572 fi
3573
3574 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3575
3576 if test "x$sizeof_register" = "x4"; then
3577    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3578 elif test "x$sizeof_register" = "x8"; then
3579    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3580 else
3581    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3582 fi
3583
3584 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3585    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3586 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3587    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3588 else
3589    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3590 fi
3591
3592 if test "x$have_visibility_hidden" = "xyes"; then
3593    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3594 fi
3595
3596 if test "x$have_deprecated" = "xyes"; then
3597    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3598 fi
3599
3600 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3601 if test "x$buildinterpreter" = "xyes"; then
3602     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3603     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3604 fi
3605
3606 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3607
3608
3609 dnl
3610 dnl Simple Generational checks (sgen)
3611 dnl
3612 SGEN_DEFINES=
3613 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3614 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3615 if test x$buildsgen = xyes; then
3616    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3617    SGEN_DEFINES="-DHAVE_SGEN_GC"
3618
3619         conc_gc_msg=""
3620    if test x$with_sgen_default_concurrent != xno; then
3621        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3622            conc_gc_msg=" (concurrent by default)"
3623    fi
3624
3625    if test "x$gc_msg" = "x"; then
3626       gc_msg="sgen$conc_gc_msg"
3627    else
3628       gc_msg="sgen$conc_gc_msg and $gc_msg"
3629    fi
3630 fi
3631 AC_SUBST(SGEN_DEFINES)
3632 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3633
3634 jit_status="Building and using the JIT"
3635
3636 libsuffix=".so"
3637
3638 case "$host" in
3639      *-*-darwin*)
3640         libsuffix=".dylib"
3641         LIBC="libc.dylib"
3642         INTL="libintl.dylib"
3643         SQLITE="libsqlite.0.dylib"
3644         SQLITE3="libsqlite3.0.dylib"
3645         X11="libX11.dylib"
3646         GDKX11="libgdk-x11-2.0.dylib"
3647         GTKX11="libgtk-x11-2.0.dylib"
3648         ;;
3649      *-*-*netbsd*)
3650         LIBC="libc.so"
3651         INTL="libintl.so"
3652         SQLITE="libsqlite.so"
3653         SQLITE3="libsqlite3.so"
3654         ;;
3655      *-*-kfreebsd*-gnu)
3656         LIBC="libc.so.0.1"
3657         INTL="libc.so.0.1"
3658         X11="libX11.so.6"
3659         ;;
3660     *-*-*freebsd*)
3661         LIBC="libc.so.7"
3662         INTL="libintl.so"
3663         SQLITE="libsqlite.so"
3664         SQLITE3="libsqlite3.so"
3665         ;;
3666     *-*-*openbsd*)
3667         LIBC="libc.so"
3668         INTL="libintl.so"
3669         SQLITE="libsqlite.so"
3670         SQLITE3="libsqlite3.so"
3671         ;;
3672     *-*-*linux*)
3673         AC_PATH_X
3674         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3675         AC_MSG_CHECKING(for the soname of libX11.so)
3676         for i in $x_libraries $dlsearch_path; do
3677                 for r in 4 5 6; do
3678                         if test -f $i/libX11.so.$r; then
3679                                 X11=libX11.so.$r
3680                                 AC_MSG_RESULT($X11)
3681                         fi
3682                 done
3683         done
3684
3685         if test "x$X11" = "xlibX11.so"; then
3686                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3687                 X11=libX11.so.6
3688         fi
3689         ;;
3690 esac
3691
3692
3693 AC_SUBST(libsuffix)
3694
3695 AC_ARG_WITH([libgdiplus],
3696         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3697         [], [with_libgdiplus=installed])
3698
3699 # default install location
3700 libgdiplus_install_loc=libgdiplus${libsuffix}
3701 case "$host" in
3702     *-*-*linux*)
3703     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3704     ;;
3705 esac
3706
3707 case $with_libgdiplus in
3708     no|installed)
3709     libgdiplus_loc=
3710     ;;
3711
3712     yes|sibling)
3713     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3714     ;;
3715
3716     /*) # absolute path, assume it is an install location
3717     libgdiplus_loc=$with_libgdiplus
3718     libgdiplus_install_loc=$with_libgdiplus
3719     ;;
3720
3721     *)
3722     libgdiplus_loc=`pwd`/$with_libgdiplus
3723     ;;
3724 esac
3725 AC_SUBST([libgdiplus_loc])
3726 AC_SUBST([libgdiplus_install_loc])
3727
3728 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3729 if test "x$icall_symbol_map" = "xyes"; then
3730    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3731 fi
3732
3733 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3734 if test "x$icall_export" = "xyes"; then
3735    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3736 fi
3737
3738 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3739 if test "x$icall_tables" = "xno"; then
3740    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3741 fi
3742
3743 if test "x$with_tls" = "x__thread"; then
3744         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3745         # Pass the information to libgc
3746         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3747         AC_MSG_CHECKING(if the tls_model attribute is supported)
3748         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3749                 ], [
3750                         AC_MSG_RESULT(yes)
3751                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3752                 ], [
3753                         AC_MSG_RESULT(no)
3754         ])
3755 fi
3756
3757 if test ${TARGET} = ARM; then
3758         dnl ******************************************
3759         dnl *** Check to see what FPU is available ***
3760         dnl ******************************************
3761         AC_MSG_CHECKING(which FPU to use)
3762
3763         #
3764         # This is a bit tricky:
3765         #
3766         # if (__ARM_PCS_VFP) {
3767         #       /* mfloat-abi=hard == VFP with hard ABI */
3768         # } elif (!__SOFTFP__) {
3769         #       /* mfloat-abi=softfp == VFP with soft ABI */
3770         # } else {
3771         #       /* mfloat-abi=soft == no VFP */
3772         # }
3773         #
3774         # The exception is iOS (w/ GCC) where none of the above
3775         # are defined (but iOS always uses the 'softfp' ABI).
3776         #
3777         # No support for FPA.
3778         #
3779
3780         fpu=NONE
3781
3782         # iOS GCC always uses the 'softfp' ABI.
3783         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3784                 fpu=VFP
3785         fi
3786
3787         # Are we using the 'hard' ABI?
3788         if test x$fpu = xNONE; then
3789                 AC_TRY_COMPILE([], [
3790                         #ifndef __ARM_PCS_VFP
3791                         #error "Float ABI is not 'hard'"
3792                         #endif
3793                         return 0;
3794                 ], [
3795                         fpu=VFP_HARD
3796                 ], [
3797                         fpu=NONE
3798                 ])
3799         fi
3800
3801         # No 'hard' ABI. 'soft' or 'softfp'?
3802         if test x$fpu = xNONE; then
3803                 AC_TRY_COMPILE([], [
3804                         #ifdef __SOFTFP__
3805                         #error "Float ABI is not 'softfp'"
3806                         #endif
3807                         return 0;
3808                 ], [
3809                         fpu=VFP
3810                 ], [
3811                         fpu=NONE
3812                 ])
3813         fi
3814
3815         if test x$arm_fpu != x; then
3816            fpu=$arm_fpu
3817         fi
3818
3819         AC_MSG_RESULT($fpu)
3820         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3821         unset fpu
3822
3823         dnl *********************************************
3824         dnl *** Check which ARM version(s) we can use ***
3825         dnl *********************************************
3826         AC_MSG_CHECKING(which ARM version to use)
3827
3828         AC_TRY_COMPILE([], [
3829                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3830                 #error Not on ARM v5.
3831                 #endif
3832                 return 0;
3833         ], [
3834                 arm_v5=yes
3835
3836                 arm_ver=ARMv5
3837         ], [])
3838
3839         AC_TRY_COMPILE([], [
3840                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3841                 #error Not on ARM v6.
3842                 #endif
3843                 return 0;
3844         ], [
3845                 arm_v5=yes
3846                 arm_v6=yes
3847
3848                 arm_ver=ARMv6
3849         ], [])
3850
3851         AC_TRY_COMPILE([], [
3852                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3853                 #error Not on ARM v7.
3854                 #endif
3855                 return 0;
3856         ], [
3857                 arm_v5=yes
3858                 arm_v6=yes
3859                 arm_v7=yes
3860
3861                 arm_ver=ARMv7
3862         ], [])
3863
3864         AC_MSG_RESULT($arm_ver)
3865
3866         if test x$arm_v5 = xyes; then
3867                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3868                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3869         fi
3870
3871         if test x$arm_v6 = xyes; then
3872                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3873                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3874         fi
3875
3876         if test x$arm_v7 = xyes; then
3877                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3878                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3879         fi
3880 fi
3881
3882 if test ${TARGET} = unknown; then
3883         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3884         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3885 fi
3886
3887 if test "x$platform_android" = "xyes"; then
3888         case "x${TARGET}" in
3889         xARM)
3890                 case "x$arm_ver" in
3891                 xARMv5)
3892                         BTLS_SUPPORTED=yes
3893                         BTLS_PLATFORM=android-armv5
3894                         ;;
3895                 xARMv6)
3896                         BTLS_SUPPORTED=yes
3897                         BTLS_PLATFORM=android-armv6
3898                         ;;
3899                 xARMv7)
3900                         BTLS_SUPPORTED=yes
3901                         BTLS_PLATFORM=android-armv7
3902                         ;;
3903                 *)
3904                         BTLS_SUPPORTED=no
3905                         ;;
3906                 esac
3907                 ;;
3908         xARM64)
3909                 BTLS_SUPPORTED=yes
3910                 BTLS_PLATFORM=android-v8a
3911                 ;;
3912         xX86)
3913                 BTLS_SUPPORTED=yes
3914                 BTLS_PLATFORM=android-x86
3915                 ;;
3916         xAMD64)
3917                 BTLS_SUPPORTED=yes
3918                 BTLS_PLATFORM=android-x64
3919                 ;;
3920         *)
3921                 BTLS_SUPPORTED=no
3922                 ;;
3923         esac
3924 fi
3925
3926 if test ${ACCESS_UNALIGNED} = no; then
3927         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3928 fi
3929
3930 if test x$host_darwin = xyes; then
3931         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3932         AS_IF(
3933                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3934                 [AC_MSG_RESULT([no])],
3935                 [
3936                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3937                         AR_FLAGS="Scru"
3938                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3939                         AC_MSG_RESULT([yes])
3940                 ]
3941         )
3942 fi
3943
3944 case "x$libgc" in
3945         xincluded)
3946                 # Pass CPPFLAGS to libgc configure
3947                 # We should use a separate variable for this to avoid passing useless and
3948                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3949                 # This should be executed late so we pick up the final version of CPPFLAGS
3950                 # The problem with this approach, is that during a reconfigure, the main
3951                 # configure scripts gets invoked with these arguments, so we use separate
3952                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3953                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3954                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3955                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3956                 fi
3957                 # Don't pass -finstrument-for-thread-suspension in,
3958                 # if these are instrumented it will be very bad news
3959                 # (infinite recursion, undefined parking behavior, etc)
3960                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3961                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3962                 if test "x$support_boehm" = "xyes"; then
3963                         AC_CONFIG_SUBDIRS(libgc)
3964                 fi
3965                 ;;
3966 esac
3967
3968 MALLOC_MEMPOOLS=no
3969 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3970         if test x$with_malloc_mempools = xyes; then
3971                 MALLOC_MEMPOOLS=yes
3972                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3973         fi
3974 ])
3975
3976
3977 DISABLE_MCS_DOCS=default
3978 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3979         if test x$with_mcs_docs != xyes; then
3980                 DISABLE_MCS_DOCS=yes
3981         fi
3982 ])
3983 if test -n "$INSTALL_4_x_TRUE"; then :
3984         DISABLE_MCS_DOCS=yes
3985 fi
3986 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3987    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3988 fi
3989
3990 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3991         if test x$with_lazy_gc_thread_creation != xno ; then
3992                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3993         fi
3994 ], [with_lazy_gc_thread_creation=no])
3995
3996 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])
3997
3998 if test x$with_cooperative_gc = xdefault; then
3999         with_cooperative_gc=$with_cooperative_gc_default
4000 fi
4001
4002 if test x$with_cooperative_gc != xno; then
4003         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
4004 fi
4005
4006 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
4007
4008 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],[
4009
4010         if test x$enable_checked_build != x ; then
4011                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
4012         fi
4013         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
4014                 eval "mono_checked_build_test_enable_$feature='yes'"
4015         done
4016
4017         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4018                 eval "mono_checked_build_test_enable_gc='yes'"
4019                 eval "mono_checked_build_test_enable_metadata='yes'"
4020                 eval "mono_checked_build_test_enable_thread='yes'"
4021         fi
4022
4023         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4024                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4025         fi
4026
4027         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4028                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4029         fi
4030
4031         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4032                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4033         fi
4034
4035 ], [])
4036
4037 AC_CHECK_HEADER([malloc.h],
4038                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4039                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4040
4041 if test x"$GCC" = xyes; then
4042         # Implicit function declarations are not 64 bit safe
4043         # Do this late, since this causes lots of configure tests to fail
4044         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4045         # jay has a lot of implicit declarations
4046         JAY_CFLAGS="-Wno-implicit-function-declaration"
4047 fi
4048
4049 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4050 # instead of libmono-static.a
4051 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4052    LIBMONO_LA=libmini-static.la
4053 else
4054    if test x$buildsgen = xyes; then
4055       LIBMONO_LA=libmonosgen-$API_VER.la
4056    else
4057       LIBMONO_LA=libmonoboehm-$API_VER.la
4058    fi
4059 fi
4060 AC_SUBST(LIBMONO_LA)
4061
4062 dnl **************
4063 dnl ***  Btls  ***
4064 dnl **************
4065
4066 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4067 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4068
4069 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4070
4071 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4072
4073 btls_android=no
4074 if test "x$enable_btls" = "xyes"; then
4075         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4076         if test "x$CMAKE" = "xno"; then
4077                 AC_MSG_ERROR("cmake not found")
4078         fi
4079
4080         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4081         AC_SUBST(BTLS_ROOT)
4082
4083         btls_arch=
4084         btls_cflags=
4085         BTLS_CMAKE_ARGS=
4086
4087         case "$BTLS_PLATFORM" in
4088         i386)
4089                 btls_arch=i386
4090                 btls_cflags="-m32"
4091                 case $host_os in
4092                         darwin*)
4093                                 btls_cflags="$btls_cflags -arch i386"
4094                 esac
4095                 ;;
4096         x86_64)
4097                 btls_arch=x86_64
4098                 ;;
4099         android-armv5)
4100                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4101                 ;;
4102         android-armv6)
4103                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4104                 ;;
4105         android-armv7)
4106                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4107                 ;;
4108         android-v8a)
4109                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4110                 ;;
4111         android-x86)
4112                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4113                 ;;
4114         android-x64)
4115                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4116                 ;;
4117         *)
4118                 AC_MSG_ERROR(Invalid BTLS platform)
4119         esac
4120
4121         if test "x$platform_android" = "xyes"; then
4122                 btls_android=yes
4123                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4124                 if test "x$with_btls_android_ndk" != "x"; then
4125                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4126                 else
4127                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4128                 fi
4129         fi
4130
4131         if test "x$btls_arch" != "x"; then
4132                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4133         fi
4134
4135         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4136         AC_SUBST(BTLS_ARCH)
4137         AC_SUBST(BTLS_CFLAGS)
4138         AC_SUBST(BTLS_PLATFORM)
4139         AC_SUBST(BTLS_CMAKE_ARGS)
4140
4141         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4142 else
4143         enable_btls=no
4144 fi
4145
4146 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4147
4148 if test x$DISABLE_MCS_DOCS = xyes; then
4149    docs_dir=""
4150 else
4151    docs_dir=docs
4152 fi
4153 AC_SUBST(docs_dir)
4154
4155 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4156 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4157
4158 libmono_ldflags="$libmono_ldflags $LIBS"
4159
4160 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4161 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4162 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4163 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4164 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4165 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4166 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4167 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4168 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4169 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4170 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4171 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4172 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4173 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4174 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4175 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4176 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4177 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4178
4179 AC_SUBST(LIBC)
4180 AC_SUBST(INTL)
4181 AC_SUBST(SQLITE)
4182 AC_SUBST(SQLITE3)
4183 AC_SUBST(X11)
4184 AC_SUBST(GDKX11)
4185 AC_SUBST(GTKX11)
4186 AC_SUBST(XINERAMA)
4187 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4188 AC_SUBST(arch_target)
4189 AC_SUBST(CFLAGS)
4190 AC_SUBST(CPPFLAGS)
4191 AC_SUBST(LDFLAGS)
4192
4193 #This must always be defined when building the runtime
4194 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4195
4196 mono_build_root=`pwd`
4197 AC_SUBST(mono_build_root)
4198
4199 mono_runtime=mono/mini/mono
4200 AC_SUBST(mono_runtime)
4201
4202 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4203
4204 if test $csc_compiler = mcs; then
4205   CSC=$mcs_topdir/class/lib/build/mcs.exe
4206 else
4207   CSC=$CSC_LOCATION
4208 fi
4209
4210 mono_cfg_root=$mono_build_root/runtime
4211 if test x$host_win32 = xyes; then
4212   if test "x$cross_compiling" = "xno"; then
4213     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4214     CSC=`cygpath -m -a $CSC`
4215     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4216   else
4217     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4218   fi
4219 else
4220   mono_cfg_dir=$mono_cfg_root/etc
4221 fi
4222 AC_SUBST(mono_cfg_dir)
4223
4224 AC_SUBST(CSC)
4225
4226 AC_CONFIG_FILES([po/mcs/Makefile.in])
4227
4228 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4229 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4230
4231 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4232 [   depth=../../../..
4233     case $srcdir in
4234     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4235     .) reldir=$depth ;;
4236     *) reldir=$depth/$srcdir ;;
4237     esac
4238     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4239     cd runtime/etc/mono/1.0
4240     rm -f machine.config
4241     $LN_S $reldir/data/net_1_1/machine.config machine.config
4242     cd $depth
4243 ],[LN_S='$LN_S'])
4244
4245 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4246 [   depth=../../../..
4247     case $srcdir in
4248     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4249     .) reldir=$depth ;;
4250     *) reldir=$depth/$srcdir ;;
4251     esac
4252     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4253     cd runtime/etc/mono/2.0
4254     rm -f machine.config
4255     $LN_S $reldir/data/net_2_0/machine.config machine.config
4256     cd $depth
4257 ],[LN_S='$LN_S'])
4258
4259 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4260 [   depth=../../../..
4261     case $srcdir in
4262     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4263     .) reldir=$depth ;;
4264     *) reldir=$depth/$srcdir ;;
4265     esac
4266     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4267     cd runtime/etc/mono/2.0
4268     rm -f web.config
4269     $LN_S $reldir/data/net_2_0/web.config web.config
4270     cd $depth
4271 ],[LN_S='$LN_S'])
4272
4273 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4274 [   depth=../../..
4275     case $srcdir in
4276     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4277     .) reldir=$depth ;;
4278     *) reldir=$depth/$srcdir ;;
4279     esac
4280     $ac_aux_dir/install-sh -d runtime/etc/mono/
4281     cd runtime/etc/mono/
4282     rm -f browscap.ini
4283     $LN_S $reldir/data/browscap.ini browscap.ini
4284     cd $depth
4285 ],[LN_S='$LN_S'])
4286
4287 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4288 [   depth=../../../../..
4289     case $srcdir in
4290     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4291     .) reldir=$depth ;;
4292     *) reldir=$depth/$srcdir ;;
4293     esac
4294     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4295     cd runtime/etc/mono/2.0/Browsers
4296     rm -f Compat.browser
4297     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4298     cd $depth
4299 ],[LN_S='$LN_S'])
4300
4301 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4302 [   depth=../../../../..
4303     case $srcdir in
4304     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4305     .) reldir=$depth ;;
4306     *) reldir=$depth/$srcdir ;;
4307     esac
4308     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4309     cd runtime/etc/mono/4.0/Browsers
4310     rm -f Compat.browser
4311     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4312     cd $depth
4313 ],[LN_S='$LN_S'])
4314
4315 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4316 [   depth=../../../../..
4317     case $srcdir in
4318     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4319     .) reldir=$depth ;;
4320     *) reldir=$depth/$srcdir ;;
4321     esac
4322     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4323     cd runtime/etc/mono/4.5/Browsers
4324     rm -f Compat.browser
4325     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4326     cd $depth
4327 ],[LN_S='$LN_S'])
4328
4329 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4330 [   depth=../../../..
4331     case $srcdir in
4332     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4333     .) reldir=$depth ;;
4334     *) reldir=$depth/$srcdir ;;
4335     esac
4336     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4337     cd runtime/etc/mono/4.0
4338     rm -f machine.config
4339     $LN_S $reldir/data/net_4_0/machine.config machine.config
4340     cd $depth
4341 ],[LN_S='$LN_S'])
4342
4343 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4344 [   depth=../../../..
4345     case $srcdir in
4346     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4347     .) reldir=$depth ;;
4348     *) reldir=$depth/$srcdir ;;
4349     esac
4350     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4351     cd runtime/etc/mono/4.0
4352     rm -f web.config
4353     $LN_S $reldir/data/net_4_0/web.config web.config
4354     cd $depth
4355 ],[LN_S='$LN_S'])
4356
4357 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4358 [   depth=../../../..
4359     case $srcdir in
4360     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4361     .) reldir=$depth ;;
4362     *) reldir=$depth/$srcdir ;;
4363     esac
4364     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4365     cd runtime/etc/mono/4.5
4366     rm -f machine.config
4367     $LN_S $reldir/data/net_4_5/machine.config machine.config
4368     cd $depth
4369 ],[LN_S='$LN_S'])
4370
4371 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4372 [   depth=../../../..
4373     case $srcdir in
4374     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4375     .) reldir=$depth ;;
4376     *) reldir=$depth/$srcdir ;;
4377     esac
4378     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4379     cd runtime/etc/mono/4.5
4380     rm -f web.config
4381     $LN_S $reldir/data/net_4_5/web.config web.config
4382     cd $depth
4383 ],[LN_S='$LN_S'])
4384
4385 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])
4386 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])
4387
4388 AC_OUTPUT([
4389 Makefile
4390 mono-uninstalled.pc
4391 acceptance-tests/Makefile
4392 llvm/Makefile
4393 scripts/mono-find-provides
4394 scripts/mono-find-requires
4395 mono/Makefile
4396 mono/btls/Makefile
4397 mono/utils/Makefile
4398 mono/metadata/Makefile
4399 mono/dis/Makefile
4400 mono/cil/Makefile
4401 mono/arch/Makefile
4402 mono/arch/x86/Makefile
4403 mono/arch/amd64/Makefile
4404 mono/arch/ppc/Makefile
4405 mono/arch/sparc/Makefile
4406 mono/arch/s390x/Makefile
4407 mono/arch/arm/Makefile
4408 mono/arch/arm64/Makefile
4409 mono/arch/ia64/Makefile
4410 mono/arch/mips/Makefile
4411 mono/sgen/Makefile
4412 mono/tests/Makefile
4413 mono/tests/tests-config
4414 mono/tests/assemblyresolve/Makefile
4415 mono/tests/gc-descriptors/Makefile
4416 mono/unit-tests/Makefile
4417 mono/benchmark/Makefile
4418 mono/mini/Makefile
4419 mono/profiler/Makefile
4420 m4/Makefile
4421 ikvm-native/Makefile
4422 scripts/Makefile
4423 man/Makefile
4424 docs/Makefile
4425 data/Makefile
4426 data/net_2_0/Makefile
4427 data/net_4_0/Makefile
4428 data/net_4_5/Makefile
4429 data/net_2_0/Browsers/Makefile
4430 data/net_4_0/Browsers/Makefile
4431 data/net_4_5/Browsers/Makefile
4432 data/mint.pc
4433 data/mono-2.pc
4434 data/monosgen-2.pc
4435 data/mono.pc
4436 data/mono-cairo.pc
4437 data/mono-nunit.pc
4438 data/mono-options.pc
4439 data/mono-lineeditor.pc
4440 data/monodoc.pc
4441 data/dotnet.pc
4442 data/dotnet35.pc
4443 data/wcf.pc
4444 data/cecil.pc
4445 data/system.web.extensions_1.0.pc
4446 data/system.web.extensions.design_1.0.pc
4447 data/system.web.mvc.pc
4448 data/system.web.mvc2.pc
4449 data/system.web.mvc3.pc
4450 data/aspnetwebstack.pc
4451 data/reactive.pc
4452 samples/Makefile
4453 support/Makefile
4454 data/config
4455 tools/Makefile
4456 tools/locale-builder/Makefile
4457 tools/sgen/Makefile
4458 tools/monograph/Makefile
4459 tools/pedump/Makefile
4460 runtime/Makefile
4461 msvc/Makefile
4462 po/Makefile
4463 ])
4464
4465 # Update all submodules recursively to ensure everything is checked out
4466 $srcdir/scripts/update_submodules.sh
4467
4468 if test x$host_win32 = xyes; then
4469    # Get rid of 'cyg' prefixes in library names
4470    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4471    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4472    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4473    # executable doesn't work...
4474    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4475 fi
4476
4477 if test x$host_darwin = xyes; then
4478    # This doesn't seem to be required and it slows down parallel builds
4479    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4480 fi
4481
4482 (
4483   case $prefix in
4484   NONE) prefix=$ac_default_prefix ;;
4485   esac
4486   case $exec_prefix in
4487   NONE) exec_prefix='${prefix}' ;;
4488   esac
4489
4490   #
4491   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4492   # any existing config.make.  This allows people to share the same source tree
4493   # with different build directories, one native and one cross
4494   #
4495   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4496
4497     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4498
4499     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4500     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4501     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4502     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4503     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4504     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4505     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4506     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4507     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4508
4509     case $INSTALL in
4510     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4511     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4512     esac
4513
4514     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4515
4516     export VERSION
4517     [myver=$($AWK 'BEGIN {
4518       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4519       if(length(vsplit [1]) > 4) {
4520         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4521       }
4522       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4523     }')]
4524
4525     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4526
4527     if test x$host_darwin = xyes; then
4528       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4529     fi
4530
4531     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4532       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4533     fi
4534
4535         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4536            enable_system_aot=yes
4537         fi
4538
4539     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4540       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4541     fi
4542
4543     if test x$DISABLE_MCS_DOCS = xyes; then
4544       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4545     fi
4546
4547     if test x$has_extension_module != xno; then
4548         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4549     fi
4550
4551     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4552
4553     if test "x$test_bcl_opt" = "xyes"; then
4554       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4555     fi
4556
4557     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4558
4559     if test $csc_compiler = mcs; then
4560       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4561     fi
4562
4563     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4564       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4565       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4566     fi
4567
4568     if test "x$enable_btls" = "xyes"; then
4569       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4570       if test "x$enable_dynamic_btls" = "xyes"; then
4571         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4572       fi
4573     fi
4574
4575   fi
4576
4577 )
4578
4579 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4580
4581 btls_platform_string=
4582 if test x$enable_btls = xyes; then
4583         if test x$btls_android = xyes; then
4584                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4585         else
4586                 btls_platform_string=" ($BTLS_PLATFORM)"
4587         fi
4588 fi
4589
4590 echo "
4591         mcs source:    $mcsdir
4592         C# Compiler:   $csc_compiler
4593
4594    Engine:
4595         Host:          $host
4596         Target:        $target
4597         GC:            $gc_msg
4598         TLS:           $with_tls
4599         SIGALTSTACK:   $with_sigaltstack
4600         Engine:        $jit_status
4601         BigArrays:     $enable_big_arrays
4602         DTrace:        $enable_dtrace
4603         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4604         Interpreter:   $buildinterpreter
4605
4606    Libraries:
4607         .NET 4.x:        $with_profile4_x
4608         Xamarin.Android: $with_monodroid
4609         Xamarin.iOS:     $with_monotouch
4610         Xamarin.WatchOS: $with_monotouch_watch
4611         Xamarin.TVOS:    $with_monotouch_tv
4612         Xamarin.Mac:     $with_xammac
4613         Windows AOT:     $with_winaot
4614         Orbis:           $with_orbis
4615         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4616         JNI support:     $jdk_headers_found
4617         libgdiplus:      $libgdiplus_msg
4618         zlib:            $zlib_msg
4619         BTLS:            $enable_btls$btls_platform_string
4620         $disabled
4621 "
4622 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4623    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4624 fi