configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 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$with_runtime_preset = xhybridaot; then
 881    DISABLE_MCS_DOCS_default=yes
 882    with_testing_aot_hybrid_default=yes
 883    TEST_PROFILE=testing_aot_hybrid
 884
 885    mono_feature_disable_com='yes'
 886    mono_feature_disable_remoting='yes'
 887    mono_feature_disable_appdomains='yes'
 888
 889    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 890    AOT_RUN_FLAGS="--hybrid-aot"
 891 elif test x$with_runtime_preset = xaot; then
 892    with_profile4_x_default=yes
 893
 894    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 895    AOT_RUN_FLAGS=""
 896
 897    DISABLE_MCS_DOCS_default=yes
 898 elif test x$with_runtime_preset = xwinaot; then
 899    DISABLE_MCS_DOCS_default=yes
 900    with_winaot_default=yes
 901    TEST_PROFILE=winaot
 902
 903    mono_feature_disable_com='yes'
 904    mono_feature_disable_remoting='yes'
 905    mono_feature_disable_reflection_emit_save='yes'
 906    mono_feature_disable_reflection_emit='yes'
 907    mono_feature_disable_appdomains='yes'
 908
 909    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 910    AOT_RUN_FLAGS="--full-aot"
 911 elif test x$with_runtime_preset = xorbis; then
 912    DISABLE_MCS_DOCS_default=yes
 913    with_orbis_default=yes
 914    TEST_PROFILE=orbis
 915
 916    mono_feature_disable_com='yes'
 917    mono_feature_disable_remoting='yes'
 918    mono_feature_disable_reflection_emit_save='yes'
 919    mono_feature_disable_reflection_emit='yes'
 920    mono_feature_disable_appdomains='yes'
 921
 922    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 923    AOT_RUN_FLAGS="--full-aot"
 924 else
 925    with_profile4_x_default=yes
 926 fi
 927
 928 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 929    AC_SUBST(AOT_BUILD_FLAGS)
 930    AC_SUBST(AOT_RUN_FLAGS)
 931    # For llvmonlycheck + fullaotcheck
 932    AC_SUBST(INVARIANT_AOT_OPTIONS)
 933 fi
 934
 935 AC_SUBST(TEST_PROFILE)
 936
 937 if test "x$with_profile4_x" = "xdefault"; then
 938    with_profile4_x=$with_profile4_x_default
 939 fi
 940 if test "x$with_monodroid" = "xdefault"; then
 941    with_monodroid=$with_monodroid_default
 942 fi
 943 if test "x$with_monotouch" = "xdefault"; then
 944    with_monotouch=$with_monotouch_default
 945 fi
 946 if test "x$with_monotouch_watch" = "xdefault"; then
 947    with_monotouch_watch=$with_monotouch_watch_default
 948 fi
 949 if test "x$with_monotouch_tv" = "xdefault"; then
 950    with_monotouch_tv=$with_monotouch_tv_default
 951 fi
 952 if test "x$with_bitcode" = "xdefault"; then
 953    with_bitcode=$with_bitcode_default
 954 fi
 955 if test "x$with_xammac" = "xdefault"; then
 956    with_xammac=$with_xammac_default
 957 fi
 958 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 959    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 960 fi
 961 if test "x$with_testing_aot_full" = "xdefault"; then
 962    with_testing_aot_full=$with_testing_aot_full_default
 963 fi
 964 if test "x$with_winaot" = "xdefault"; then
 965    with_winaot=$with_winaot_default
 966 fi
 967 if test "x$with_orbis" = "xdefault"; then
 968    with_orbis=$with_orbis_default
 969 fi
 970
 971
 972 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 973 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 974 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 975 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 976 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 977 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 978 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 979 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 980 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 981 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 982 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 983 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$with_testing_aot_full" != "xno"] || [test "x$with_winaot" != "xno"])
 984
 985 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 986 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 987
 988 default_profile=net_4_x
 989 if test -z "$INSTALL_MONODROID_TRUE"; then :
 990    default_profile=monodroid
 991 fi
 992 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 993    default_profile=monotouch
 994 fi
 995 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 996    default_profile=xammac
 997 fi
 998 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 999    default_profile=testing_aot_hybrid
1000 fi
1001 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
1002    default_profile=testing_aot_full
1003 fi
1004 if test -z "$INSTALL_WINAOT_TRUE"; then :
1005    default_profile=winaot
1006 fi
1007 if test -z "$INSTALL_ORBIS_TRUE"; then :
1008    default_profile=orbis
1009 fi
1010 if test -z "$INSTALL_4_x_TRUE"; then :
1011    default_profile=net_4_x
1012 fi
1013 DEFAULT_PROFILE=$default_profile
1014 AC_SUBST(DEFAULT_PROFILE)
1015
1016 #
1017 # End build profile configuration
1018 #
1019
1020 if test x$USE_NLS = xprofile_default; then
1021
1022 if test x$host_darwin = xyes; then
1023 # We make the default value for USE_NLS
1024 # "no" on OSX because it isn't available on most
1025 # default OSX installs. The most common configurations will
1026 # all disable it, so this saves us typing.
1027   USE_NLS=no
1028   AC_SUBST([USE_NLS])
1029   AC_MSG_RESULT([$USE_NLS])
1030 else
1031   USE_NLS=yes
1032   AC_SUBST([USE_NLS])
1033   AC_MSG_RESULT([$USE_NLS])
1034 fi
1035
1036 fi
1037
1038 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1039      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1040      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1041          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1042 [
1043         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1044                 eval "mono_feature_disable_$feature='yes'"
1045         done
1046         DISABLED_FEATURES=$enable_minimal
1047         disabled="Disabled:      $enable_minimal"
1048 ],[])
1049
1050 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1051
1052 if test "x$mono_feature_disable_aot" = "xyes"; then
1053         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1054         enable_system_aot=no
1055         AC_MSG_NOTICE([Disabled AOT compiler])
1056 fi
1057
1058 if test "x$mono_feature_disable_profiler" = "xyes"; then
1059         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1060         AC_MSG_NOTICE([Disabled support for the profiler])
1061 fi
1062 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1063
1064 if test "x$mono_feature_disable_decimal" = "xyes"; then
1065         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1066         AC_MSG_NOTICE([Disabled support for decimal])
1067 fi
1068
1069 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1070         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1071         AC_MSG_NOTICE([Disabled support for P/Invoke])
1072 fi
1073
1074 if test "x$mono_feature_disable_debug" = "xyes"; then
1075         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1076         AC_MSG_NOTICE([Disabled support for runtime debugging])
1077 fi
1078
1079 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1080         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1081         mono_feature_disable_reflection_emit_save=yes
1082         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1083 fi
1084
1085 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1086         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1087         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1088 fi
1089
1090 if test "x$mono_feature_disable_large_code" = "xyes"; then
1091         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1092         AC_MSG_NOTICE([Disabled support for large assemblies])
1093 fi
1094
1095 if test "x$mono_feature_disable_logging" = "xyes"; then
1096         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1097         AC_MSG_NOTICE([Disabled support for logging])
1098 fi
1099
1100 if test "x$mono_feature_disable_com" = "xyes"; then
1101         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1102         AC_MSG_NOTICE([Disabled COM support])
1103 fi
1104
1105 if test "x$mono_feature_disable_ssa" = "xyes"; then
1106         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1107         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1108 fi
1109
1110 if test "x$mono_feature_disable_generics" = "xyes"; then
1111         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1112         AC_MSG_NOTICE([Disabled Generics Support])
1113 fi
1114
1115 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1116         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1117         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1118 fi
1119
1120 if test "x$mono_feature_disable_portability" = "xyes"; then
1121         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1122         AC_MSG_NOTICE([Disabled IO Portability layer])
1123 fi
1124
1125 if test "x$mono_feature_disable_attach" = "xyes"; then
1126         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1127         AC_MSG_NOTICE([Disabled agent attach])
1128 fi
1129
1130 if test "x$mono_feature_disable_verifier" = "xyes"; then
1131         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1132         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1133 fi
1134
1135 if test "x$mono_feature_disable_jit" = "xyes"; then
1136         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1137         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1138 fi
1139
1140 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1141
1142 if test "x$mono_feature_disable_simd" = "xyes"; then
1143         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1144         AC_MSG_NOTICE([Disabled SIMD support])
1145 fi
1146
1147 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1148         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1149         AC_MSG_NOTICE([Disabled Soft Debugger.])
1150 fi
1151
1152 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1153         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1154         AC_MSG_NOTICE([Disabled Performance Counters.])
1155 fi
1156 if test "x$mono_feature_disable_normalization" = "xyes"; then
1157         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1158         AC_MSG_NOTICE([Disabled String normalization support.])
1159 fi
1160
1161 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1162         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1163         AC_MSG_NOTICE([Disabled Assembly remapping.])
1164 fi
1165
1166 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1167         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1168         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1169 fi
1170
1171 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1172         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1173         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1174 fi
1175
1176 if test "x$mono_feature_disable_remoting" = "xyes"; then
1177         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1178         AC_MSG_NOTICE([Disabled remoting])
1179 fi
1180
1181 if test "x$mono_feature_disable_security" = "xyes"; then
1182         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1183         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1184 fi
1185
1186 if test "x$mono_feature_disable_lldb" = "xyes"; then
1187         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1188         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1189 fi
1190
1191 if test "x$mono_feature_disable_mdb" = "xyes"; then
1192         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1193         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1194 fi
1195
1196 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1197         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1198         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1199 fi
1200
1201 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1202         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1203         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1204 fi
1205
1206 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1207         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1208         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1209 fi
1210
1211 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1212         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1213         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1214 fi
1215
1216 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1217         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1218         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1219 fi
1220
1221 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1222 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1223
1224 has_extension_module=no
1225 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1226 [
1227         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1228                 if test x$extension = xdefault ; then
1229                         has_extension_module=yes;
1230                 fi
1231         done
1232         if test x$enable_extension_module = xyes; then
1233                 has_extension_module=yes;
1234         fi
1235 ], [])
1236
1237 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1238
1239 if test x$has_extension_module != xno ; then
1240         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1241         AC_MSG_NOTICE([Enabling mono extension module.])
1242 fi
1243
1244 # Deprecated
1245 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1246
1247 AC_MSG_CHECKING(for visibility __attribute__)
1248 AC_COMPILE_IFELSE([
1249         AC_LANG_SOURCE([[
1250                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1251                 int main () { doit (); return 0; }
1252         ]])
1253 ], [
1254    have_visibility_hidden=yes
1255    AC_MSG_RESULT(yes)
1256 ], [
1257    have_visibility_hidden=no
1258    AC_MSG_RESULT(no)
1259 ])
1260
1261 dnl
1262 dnl Boehm GC configuration
1263 dnl
1264
1265 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1266
1267 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1268 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1269
1270 if test "x$support_boehm" = "xyes"; then
1271
1272         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1273         if test x$enable_parallel_mark = xyes; then
1274                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1275         fi
1276
1277         gc_msg=""
1278         LIBGC_CPPFLAGS=
1279         LIBGC_LIBS=
1280         LIBGC_STATIC_LIBS=
1281         libgc_dir=
1282         case "x$libgc" in
1283                 xincluded)
1284                         if test "x$support_boehm" = "xyes"; then
1285                                 libgc_dir=libgc
1286                         fi
1287
1288                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1289                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1290                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1291
1292                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1293
1294                         if test x$target_win32 = xyes; then
1295                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1296                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1297                         fi
1298
1299                         gc_msg="Included Boehm GC with typed GC"
1300                         if test x$enable_parallel_mark = xyes; then
1301                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1302                                 gc_msg="$gc_msg and parallel mark"
1303                         else
1304                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1305                         fi
1306                         ;;
1307
1308                 xboehm|xbohem|xyes)
1309                         AC_MSG_WARN("External Boehm is no longer supported")
1310                         ;;
1311
1312                 xsgen)
1313                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1314                         ;;
1315
1316                 xnone)
1317                         AC_MSG_WARN("Compiling mono without GC.")
1318                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1319                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1320                         gc_msg="none"
1321                         ;;
1322                 *)
1323                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1324                         ;;
1325         esac
1326
1327         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1328         if test "x$large_heap" = "xyes"; then
1329            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1330         fi
1331
1332         AC_SUBST(LIBGC_CPPFLAGS)
1333         AC_SUBST(LIBGC_LIBS)
1334         AC_SUBST(LIBGC_STATIC_LIBS)
1335         AC_SUBST(libgc_dir)
1336         AC_SUBST(BOEHM_DEFINES)
1337
1338 fi
1339
1340 dnl
1341 dnl End of Boehm GC Configuration
1342 dnl
1343
1344 dnl *************************************
1345 dnl *** Checks for zero length arrays ***
1346 dnl *************************************
1347 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1348 AC_TRY_COMPILE([
1349         struct s {
1350                 int  length;
1351                 char data [0];
1352         };
1353 ], [], [
1354         AC_MSG_RESULT(yes)
1355         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1356 ], [
1357         AC_MSG_RESULT(no)
1358         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1359 ])
1360
1361 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1362
1363 dnl ***********************************
1364 dnl *** Checks for signals
1365 dnl ***********************************
1366 AC_CHECK_HEADERS(signal.h)
1367 AC_CHECK_FUNCS(sigaction)
1368 AC_CHECK_FUNCS(kill)
1369 AC_CHECK_FUNCS(signal)
1370
1371 # signal() is declared inline in Android headers
1372 # so we need to workaround it by overriding the check.
1373 if test x$platform_android = xyes; then
1374         AC_DEFINE(HAVE_SIGNAL,1)
1375 fi
1376
1377 if test x$host_win32 = xno; then
1378
1379         dnl hires monotonic clock support
1380         AC_SEARCH_LIBS(clock_gettime, rt)
1381         AC_CHECK_FUNCS(clock_nanosleep)
1382
1383         dnl dynamic loader support
1384         AC_CHECK_FUNC(dlopen, DL_LIB="",
1385                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1386         )
1387         if test x$dl_support = xno; then
1388                 AC_MSG_WARN([No dynamic loading support available])
1389         else
1390                 LIBS="$LIBS $DL_LIB"
1391                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1392                 dnl from glib's configure.ac
1393                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1394                         mono_cv_uscore,[
1395                         AC_TRY_RUN([#include <dlfcn.h>
1396                         int mono_underscore_test (void) { return 42; }
1397                         int main() {
1398                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1399                           handle = dlopen ((void*)0, 0);
1400                           if (handle) {
1401                             f1 = dlsym (handle, "mono_underscore_test");
1402                             f2 = dlsym (handle, "_mono_underscore_test");
1403                           } return (!f2 || f1);
1404                         }],
1405                                 [mono_cv_uscore=yes],
1406                                 [mono_cv_uscore=no],
1407                         [])
1408                 ])
1409                 if test "x$mono_cv_uscore" = "xyes"; then
1410                         MONO_DL_NEED_USCORE=1
1411                 else
1412                         MONO_DL_NEED_USCORE=0
1413                 fi
1414                 AC_SUBST(MONO_DL_NEED_USCORE)
1415                 AC_CHECK_FUNC(dlerror)
1416         fi
1417
1418         dnl ******************************************************************
1419         dnl *** Checks for the IKVM JNI interface library                  ***
1420         dnl ******************************************************************
1421         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])
1422
1423         ikvm_native_dir=
1424         if test x$with_ikvm_native = xyes; then
1425                 ikvm_native_dir=ikvm-native
1426                 jdk_headers_found="IKVM Native"
1427         fi
1428
1429         AC_SUBST(ikvm_native_dir)
1430
1431         AC_CHECK_HEADERS(execinfo.h)
1432
1433         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1434
1435         AC_CHECK_FUNCS(getgrgid_r)
1436         AC_CHECK_FUNCS(getgrnam_r)
1437         AC_CHECK_FUNCS(getpwnam_r)
1438         AC_CHECK_FUNCS(getpwuid_r)
1439         AC_CHECK_FUNCS(getresuid)
1440         AC_CHECK_FUNCS(setresuid)
1441         AC_CHECK_FUNCS(kqueue)
1442         AC_CHECK_FUNCS(backtrace_symbols)
1443         AC_CHECK_FUNCS(mkstemp)
1444         AC_CHECK_FUNCS(mmap)
1445         AC_CHECK_FUNCS(madvise)
1446         AC_CHECK_FUNCS(getrusage)
1447         AC_CHECK_FUNCS(getpriority)
1448         AC_CHECK_FUNCS(setpriority)
1449         AC_CHECK_FUNCS(dl_iterate_phdr)
1450         AC_CHECK_FUNCS(dladdr)
1451         AC_CHECK_FUNCS(sysconf)
1452         AC_CHECK_FUNCS(getrlimit)
1453         AC_CHECK_FUNCS(prctl)
1454
1455         AC_CHECK_FUNCS(sched_getaffinity)
1456         AC_CHECK_FUNCS(sched_setaffinity)
1457         AC_CHECK_FUNCS(sched_getcpu)
1458
1459         dnl ****************************************************************
1460         dnl *** Check for sched_setaffinity from glibc versions before   ***
1461         dnl *** 2.3.4. The older versions of the function only take 2    ***
1462         dnl *** parameters, not 3.                                       ***
1463         dnl ***                                                          ***
1464         dnl *** Because the interface change was not made in a minor     ***
1465         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1466         dnl *** won't always indicate the interface sched_affinity has.  ***
1467         dnl ****************************************************************
1468         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1469         AC_TRY_COMPILE([#include <sched.h>], [
1470             int mask = 1;
1471             sched_setaffinity(0, &mask);
1472                         return 0;
1473         ], [
1474                 # Yes, we have it...
1475                 AC_MSG_RESULT(yes)
1476                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1477         ], [
1478                 # We have the new, three-parameter version
1479                 AC_MSG_RESULT(no)
1480         ])
1481         AC_TRY_COMPILE([#include <sched.h>], [
1482              CPU_COUNT((void *) 0);
1483         ], [
1484                 AC_MSG_RESULT(yes)
1485                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1486         ], [
1487                 # We have the new, three-parameter version
1488                 AC_MSG_RESULT(no)
1489         ])
1490
1491         dnl ******************************************************************
1492         dnl *** Check for large file support                               ***
1493         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1494         dnl ******************************************************************
1495
1496         # Check that off_t can represent 2**63 - 1 correctly, working around
1497         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1498         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1499         large_offt=no
1500         AC_DEFUN([LARGE_FILES], [
1501                 large_CPPFLAGS=$CPPFLAGS
1502                 CPPFLAGS="$CPPFLAGS $1"
1503                 AC_TRY_COMPILE([
1504                         #include <sys/types.h>
1505                         #include <limits.h>
1506                 ], [
1507                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1508                         #define COMPILE_TIME_ASSERT(pred) \
1509                                 switch(0){case 0:case pred:;}
1510                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1511                 ], [
1512                         AC_MSG_RESULT(ok)
1513                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1514                         large_CPPFLAGS="$large_CPPFLAGS $1"
1515                         large_offt=yes
1516                 ], [
1517                         AC_MSG_RESULT(no)
1518                 ])
1519                 CPPFLAGS=$large_CPPFLAGS
1520         ])
1521
1522         AC_MSG_CHECKING(if off_t is 64 bits wide)
1523         LARGE_FILES("")
1524         if test $large_offt = no; then
1525                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1526                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1527         fi
1528         if test $large_offt = no; then
1529                 AC_MSG_WARN([No 64 bit file size support available])
1530         fi
1531
1532         dnl *****************************
1533         dnl *** Checks for libsocket  ***
1534         dnl *****************************
1535         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1536
1537         case "$host" in
1538                 *-*-*freebsd*)
1539                         dnl *****************************
1540                         dnl *** Checks for libinotify ***
1541                         dnl *****************************
1542                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1543         esac
1544
1545         dnl *******************************
1546         dnl *** Checks for MSG_NOSIGNAL ***
1547         dnl *******************************
1548         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1549         AC_TRY_COMPILE([#include <sys/socket.h>], [
1550                 int f = MSG_NOSIGNAL;
1551         ], [
1552                 # Yes, we have it...
1553                 AC_MSG_RESULT(yes)
1554                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1555         ], [
1556                 # We'll have to use signals
1557                 AC_MSG_RESULT(no)
1558         ])
1559
1560         dnl *****************************
1561         dnl *** Checks for IPPROTO_IP ***
1562         dnl *****************************
1563         AC_MSG_CHECKING(for IPPROTO_IP)
1564         AC_TRY_COMPILE([#include <netinet/in.h>], [
1565                 int level = IPPROTO_IP;
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1570         ], [
1571                 # We'll have to use getprotobyname
1572                 AC_MSG_RESULT(no)
1573         ])
1574
1575         dnl *******************************
1576         dnl *** Checks for IPPROTO_IPV6 ***
1577         dnl *******************************
1578         AC_MSG_CHECKING(for IPPROTO_IPV6)
1579         AC_TRY_COMPILE([#include <netinet/in.h>], [
1580                 int level = IPPROTO_IPV6;
1581         ], [
1582                 # Yes, we have it...
1583                 AC_MSG_RESULT(yes)
1584                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1585         ], [
1586                 # We'll have to use getprotobyname
1587                 AC_MSG_RESULT(no)
1588         ])
1589
1590         dnl ******************************
1591         dnl *** Checks for IPPROTO_TCP ***
1592         dnl ******************************
1593         AC_MSG_CHECKING(for IPPROTO_TCP)
1594         AC_TRY_COMPILE([#include <netinet/in.h>], [
1595                 int level = IPPROTO_TCP;
1596         ], [
1597                 # Yes, we have it...
1598                 AC_MSG_RESULT(yes)
1599                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1600         ], [
1601                 # We'll have to use getprotobyname
1602                 AC_MSG_RESULT(no)
1603         ])
1604
1605         dnl *****************************
1606         dnl *** Checks for SOL_IP     ***
1607         dnl *****************************
1608         AC_MSG_CHECKING(for SOL_IP)
1609         AC_TRY_COMPILE([#include <netdb.h>], [
1610                 int level = SOL_IP;
1611         ], [
1612                 # Yes, we have it...
1613                 AC_MSG_RESULT(yes)
1614                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1615         ], [
1616                 # We'll have to use getprotobyname
1617                 AC_MSG_RESULT(no)
1618         ])
1619
1620         dnl *****************************
1621         dnl *** Checks for SOL_IPV6     ***
1622         dnl *****************************
1623         AC_MSG_CHECKING(for SOL_IPV6)
1624         AC_TRY_COMPILE([#include <netdb.h>], [
1625                 int level = SOL_IPV6;
1626         ], [
1627                 # Yes, we have it...
1628                 AC_MSG_RESULT(yes)
1629                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1630         ], [
1631                 # We'll have to use getprotobyname
1632                 AC_MSG_RESULT(no)
1633         ])
1634
1635         dnl *****************************
1636         dnl *** Checks for SOL_TCP    ***
1637         dnl *****************************
1638         AC_MSG_CHECKING(for SOL_TCP)
1639         AC_TRY_COMPILE([#include <netdb.h>], [
1640                 int level = SOL_TCP;
1641         ], [
1642                 # Yes, we have it...
1643                 AC_MSG_RESULT(yes)
1644                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1645         ], [
1646                 # We'll have to use getprotobyname
1647                 AC_MSG_RESULT(no)
1648         ])
1649
1650         dnl *****************************
1651         dnl *** Checks for IP_PKTINFO ***
1652         dnl *****************************
1653         AC_MSG_CHECKING(for IP_PKTINFO)
1654         AC_TRY_COMPILE([#include <linux/in.h>], [
1655                 int level = IP_PKTINFO;
1656         ], [
1657                 # Yes, we have it...
1658                 AC_MSG_RESULT(yes)
1659                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1660         ], [
1661                 AC_MSG_RESULT(no)
1662         ])
1663
1664         dnl *****************************
1665         dnl *** Checks for IPV6_PKTINFO ***
1666         dnl *****************************
1667         AC_MSG_CHECKING(for IPV6_PKTINFO)
1668         AC_TRY_COMPILE([#include <netdb.h>], [
1669                 int level = IPV6_PKTINFO;
1670         ], [
1671                 # Yes, we have it...
1672                 AC_MSG_RESULT(yes)
1673                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1674         ], [
1675                 AC_MSG_RESULT(no)
1676         ])
1677
1678         dnl **********************************
1679         dnl *** Checks for IP_DONTFRAG     ***
1680         dnl **********************************
1681         AC_MSG_CHECKING(for IP_DONTFRAG)
1682         AC_TRY_COMPILE([#include <netinet/in.h>], [
1683                 int level = IP_DONTFRAG;
1684         ], [
1685                 # Yes, we have it...
1686                 AC_MSG_RESULT(yes)
1687                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1688         ], [
1689                 AC_MSG_RESULT(no)
1690         ])
1691
1692         dnl **********************************
1693         dnl *** Checks for IP_DONTFRAGMENT ***
1694         dnl **********************************
1695         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1696         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1697                 int level = IP_DONTFRAGMENT;
1698         ], [
1699                 # Yes, we have it...
1700                 AC_MSG_RESULT(yes)
1701                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1702         ], [
1703                 AC_MSG_RESULT(no)
1704         ])
1705
1706         dnl **********************************
1707         dnl *** Checks for IP_MTU_DISCOVER ***
1708         dnl **********************************
1709         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1710         AC_TRY_COMPILE([#include <linux/in.h>], [
1711                 int level = IP_MTU_DISCOVER;
1712         ], [
1713                 # Yes, we have it...
1714                 AC_MSG_RESULT(yes)
1715                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1716         ], [
1717                 AC_MSG_RESULT(no)
1718         ])
1719
1720         dnl **********************************
1721         dnl *** Checks for  IP_PMTUDISC_DO ***
1722         dnl **********************************
1723         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1724         AC_TRY_COMPILE([#include <linux/in.h>], [
1725                 int level = IP_PMTUDISC_DO;
1726         ], [
1727                 # Yes, we have it...
1728                 AC_MSG_RESULT(yes)
1729                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1730         ], [
1731                 AC_MSG_RESULT(no)
1732         ])
1733
1734         dnl *********************************
1735         dnl *** Check for struct ip_mreqn ***
1736         dnl *********************************
1737         AC_MSG_CHECKING(for struct ip_mreqn)
1738         AC_TRY_COMPILE([#include <netinet/in.h>], [
1739                 struct ip_mreqn mreq;
1740                 mreq.imr_address.s_addr = 0;
1741         ], [
1742                 # Yes, we have it...
1743                 AC_MSG_RESULT(yes)
1744                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1745         ], [
1746                 # We'll just have to try and use struct ip_mreq
1747                 AC_MSG_RESULT(no)
1748                 AC_MSG_CHECKING(for struct ip_mreq)
1749                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1750                         struct ip_mreq mreq;
1751                         mreq.imr_interface.s_addr = 0;
1752                 ], [
1753                         # Yes, we have it...
1754                         AC_MSG_RESULT(yes)
1755                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1756                 ], [
1757                         # No multicast support
1758                         AC_MSG_RESULT(no)
1759                 ])
1760         ])
1761
1762         dnl **********************************
1763         dnl *** Check for getaddrinfo ***
1764         dnl **********************************
1765         AC_MSG_CHECKING(for getaddrinfo)
1766                 AC_TRY_LINK([
1767                 #include <stdio.h>
1768                 #include <netdb.h>
1769         ], [
1770                 getaddrinfo(NULL,NULL,NULL,NULL);
1771         ], [
1772                 # Yes, we have it...
1773                 AC_MSG_RESULT(yes)
1774                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1775         ], [
1776                 AC_MSG_RESULT(no)
1777         ])
1778
1779         dnl **********************************
1780         dnl *** Check for gethostbyname2_r ***
1781         dnl **********************************
1782         AC_MSG_CHECKING(for gethostbyname2_r)
1783                 AC_TRY_LINK([
1784                 #include <stdio.h>
1785                 #include <netdb.h>
1786         ], [
1787
1788                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1789         ], [
1790                 # Yes, we have it...
1791                 AC_MSG_RESULT(yes)
1792                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1793         ], [
1794                 AC_MSG_RESULT(no)
1795         ])
1796
1797         dnl **********************************
1798         dnl *** Check for gethostbyname2 ***
1799         dnl **********************************
1800         AC_MSG_CHECKING(for gethostbyname2)
1801                 AC_TRY_LINK([
1802                 #include <stdio.h>
1803                 #include <netdb.h>
1804         ], [
1805                 gethostbyname2(NULL,0);
1806         ], [
1807                 # Yes, we have it...
1808                 AC_MSG_RESULT(yes)
1809                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1810         ], [
1811                 AC_MSG_RESULT(no)
1812         ])
1813
1814         dnl **********************************
1815         dnl *** Check for gethostbyname ***
1816         dnl **********************************
1817         AC_MSG_CHECKING(for gethostbyname)
1818                 AC_TRY_LINK([
1819                 #include <stdio.h>
1820                 #include <netdb.h>
1821         ], [
1822                 gethostbyname(NULL);
1823         ], [
1824                 # Yes, we have it...
1825                 AC_MSG_RESULT(yes)
1826                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1827         ], [
1828                 AC_MSG_RESULT(no)
1829         ])
1830
1831         dnl **********************************
1832         dnl *** Check for getprotobyname ***
1833         dnl **********************************
1834         AC_MSG_CHECKING(for getprotobyname)
1835                 AC_TRY_LINK([
1836                 #include <stdio.h>
1837                 #include <netdb.h>
1838         ], [
1839                 getprotobyname(NULL);
1840         ], [
1841                 # Yes, we have it...
1842                 AC_MSG_RESULT(yes)
1843                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1844         ], [
1845                 AC_MSG_RESULT(no)
1846         ])
1847
1848         dnl **********************************
1849         dnl *** Check for getnameinfo ***
1850         dnl **********************************
1851         AC_MSG_CHECKING(for getnameinfo)
1852                 AC_TRY_LINK([
1853                 #include <stdio.h>
1854                 #include <netdb.h>
1855         ], [
1856                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1857         ], [
1858                 # Yes, we have it...
1859                 AC_MSG_RESULT(yes)
1860                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1861         ], [
1862                 AC_MSG_RESULT(no)
1863         ])
1864
1865
1866         dnl **********************************
1867         dnl *** Check for inet_ntop ***
1868         dnl **********************************
1869         AC_MSG_CHECKING(for inet_ntop)
1870                 AC_TRY_LINK([
1871                 #include <stdio.h>
1872                 #include <arpa/inet.h>
1873         ], [
1874                 inet_ntop (0, NULL, NULL, 0);
1875         ], [
1876                 # Yes, we have it...
1877                 AC_MSG_RESULT(yes)
1878                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1879         ], [
1880                 AC_MSG_RESULT(no)
1881         ])
1882
1883         dnl *****************************
1884         dnl *** Checks for libnsl     ***
1885         dnl *****************************
1886         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1887
1888         AC_CHECK_FUNCS(inet_pton inet_aton)
1889
1890         dnl *****************************
1891         dnl *** Checks for libxnet    ***
1892         dnl *****************************
1893         case "${host}" in
1894                 *solaris* )
1895                         AC_MSG_CHECKING(for Solaris XPG4 support)
1896                         if test -f /usr/lib/libxnet.so; then
1897                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1898                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1899                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1900                                 LIBS="$LIBS -lxnet"
1901                                 AC_MSG_RESULT(yes)
1902                         else
1903                                 AC_MSG_RESULT(no)
1904                         fi
1905
1906                         if test "$GCC" = "yes"; then
1907                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1908                         fi
1909                 ;;
1910         esac
1911
1912         dnl *****************************
1913         dnl *** Checks for libpthread ***
1914         dnl *****************************
1915 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1916 # and libpthread does not exist
1917 #
1918         case "${host}" in
1919                 *-*-*freebsd*)
1920                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1921                 ;;
1922                 *-*-*openbsd*)
1923                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1924                 ;;
1925                 *)
1926                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1927                 ;;
1928         esac
1929         AC_CHECK_HEADERS(pthread.h)
1930         AC_CHECK_HEADERS(pthread_np.h)
1931         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1932         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1933         AC_CHECK_FUNCS(pthread_kill)
1934         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1935         AC_TRY_COMPILE([ #include <pthread.h>], [
1936                 pthread_mutexattr_t attr;
1937                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1938         ], [
1939                 AC_MSG_RESULT(ok)
1940         ], [
1941                 AC_MSG_RESULT(no)
1942                 AC_ERROR(Posix system lacks support for recursive mutexes)
1943         ])
1944         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1945         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1946         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1947
1948         dnl **********************************
1949         dnl *** Check for mincore ***
1950         dnl **********************************
1951         AC_MSG_CHECKING(for mincore)
1952                 AC_TRY_LINK([
1953                 #include <stdio.h>
1954                 #include <sys/types.h>
1955                 #include <sys/mman.h>
1956         ], [
1957                 mincore(NULL, 0, NULL);
1958         ], [
1959                 # Yes, we have it...
1960                 AC_MSG_RESULT(yes)
1961                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1962         ], [
1963                 AC_MSG_RESULT(no)
1964         ])
1965
1966         dnl ***********************************
1967         dnl *** Checks for working __thread ***
1968         dnl ***********************************
1969         AC_MSG_CHECKING(for working __thread)
1970         if test "x$with_tls" != "x__thread"; then
1971                 AC_MSG_RESULT(disabled)
1972         elif test "x$cross_compiling" = "xyes"; then
1973                 AC_MSG_RESULT(cross compiling, assuming yes)
1974         else
1975                 AC_TRY_RUN([
1976                         #if defined(__APPLE__) && defined(__clang__)
1977                         #error "__thread does not currently work with clang on Mac OS X"
1978                         #endif
1979
1980                         #include <pthread.h>
1981                         __thread int i;
1982                         static int res1, res2;
1983
1984                         void thread_main (void *arg)
1985                         {
1986                                 i = arg;
1987                                 sleep (1);
1988                                 if (arg == 1)
1989                                         res1 = (i == arg);
1990                                 else
1991                                         res2 = (i == arg);
1992                         }
1993
1994                         int main () {
1995                                 pthread_t t1, t2;
1996
1997                                 i = 5;
1998
1999                                 pthread_create (&t1, NULL, thread_main, 1);
2000                                 pthread_create (&t2, NULL, thread_main, 2);
2001
2002                                 pthread_join (t1, NULL);
2003                                 pthread_join (t2, NULL);
2004
2005                                 return !(res1 + res2 == 2);
2006                         }
2007                 ], [
2008                                 AC_MSG_RESULT(yes)
2009                 ], [
2010                                 AC_MSG_RESULT(no)
2011                                 with_tls=pthread
2012                 ])
2013         fi
2014
2015         dnl **************************************
2016         dnl *** Checks for working sigaltstack ***
2017         dnl **************************************
2018         AC_MSG_CHECKING(for working sigaltstack)
2019         if test "x$with_sigaltstack" != "xyes"; then
2020                 AC_MSG_RESULT(disabled)
2021         elif test "x$cross_compiling" = "xyes"; then
2022                 AC_MSG_RESULT(cross compiling, assuming yes)
2023         else
2024                 AC_TRY_RUN([
2025                         #include <stdio.h>
2026                         #include <stdlib.h>
2027                         #include <unistd.h>
2028                         #include <signal.h>
2029                         #include <pthread.h>
2030                         #include <sys/wait.h>
2031                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2032                         #define SA_STACK SA_ONSTACK
2033                         #endif
2034                         static void
2035                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2036                         {
2037                                 exit (0);
2038                         }
2039
2040                         volatile char*__ptr = NULL;
2041                         static void *
2042                         loop (void *ignored)
2043                         {
2044                                 *__ptr = 0;
2045                                 return NULL;
2046                         }
2047
2048                         static void
2049                         child ()
2050                         {
2051                                 struct sigaction sa;
2052                         #ifdef __APPLE__
2053                                 stack_t sas;
2054                         #else
2055                                 struct sigaltstack sas;
2056                         #endif
2057                                 pthread_t id;
2058                                 pthread_attr_t attr;
2059
2060                                 sa.sa_sigaction = sigsegv_signal_handler;
2061                                 sigemptyset (&sa.sa_mask);
2062                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2063                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2064                                         perror ("sigaction");
2065                                         return;
2066                                 }
2067
2068                                 /* x86 darwin deliver segfaults using SIGBUS */
2069                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2070                                         perror ("sigaction");
2071                                         return;
2072                                 }
2073                                 sas.ss_sp = malloc (SIGSTKSZ);
2074                                 sas.ss_size = SIGSTKSZ;
2075                                 sas.ss_flags = 0;
2076                                 if (sigaltstack (&sas, NULL) == -1) {
2077                                         perror ("sigaltstack");
2078                                         return;
2079                                 }
2080
2081                                 pthread_attr_init (&attr);
2082                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2083                                         printf ("pthread_create\n");
2084                                         return;
2085                                 }
2086
2087                                 sleep (100);
2088                         }
2089
2090                         int
2091                         main ()
2092                         {
2093                                 pid_t son;
2094                                 int status;
2095                                 int i;
2096
2097                                 son = fork ();
2098                                 if (son == -1) {
2099                                         return 1;
2100                                 }
2101
2102                                 if (son == 0) {
2103                                         child ();
2104                                         return 0;
2105                                 }
2106
2107                                 for (i = 0; i < 300; ++i) {
2108                                         waitpid (son, &status, WNOHANG);
2109                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2110                                                 return 0;
2111                                         usleep (10000);
2112                                 }
2113
2114                                 kill (son, SIGKILL);
2115                                 return 1;
2116                         }
2117
2118                 ], [
2119                                 AC_MSG_RESULT(yes)
2120                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2121                 ], [
2122                                 with_sigaltstack=no
2123                                 AC_MSG_RESULT(no)
2124                 ])
2125         fi
2126
2127         dnl ********************************
2128         dnl *** Checks for semaphore lib ***
2129         dnl ********************************
2130         # 'Real Time' functions on Solaris
2131         # posix4 on Solaris 2.6
2132         # pthread (first!) on Linux
2133         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2134
2135         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2136         AC_CHECK_FUNCS(shm_open)
2137
2138         dnl ********************************
2139         dnl *** Checks for timezone stuff **
2140         dnl ********************************
2141         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2142                 AC_TRY_COMPILE([
2143                         #include <time.h>
2144                         ], [
2145                         struct tm tm;
2146                         tm.tm_gmtoff = 1;
2147                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2148         if test $ac_cv_struct_tm_gmtoff = yes; then
2149                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2150         else
2151                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2152                         AC_TRY_COMPILE([
2153                                 #include <time.h>
2154                         ], [
2155                                 timezone = 1;
2156                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2157                 if test $ac_cv_var_timezone = yes; then
2158                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2159                 else
2160                         AC_ERROR(unable to find a way to determine timezone)
2161                 fi
2162         fi
2163
2164         dnl *********************************
2165         dnl *** Checks for math functions ***
2166         dnl *********************************
2167         AC_SEARCH_LIBS(sqrtf, m)
2168         if test "x$has_broken_apple_cpp" != "xyes"; then
2169                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2170                         AC_TRY_LINK([#include <math.h>],
2171                         [ finite(0.0); ],
2172                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2173                         AC_MSG_RESULT(no)))
2174         fi
2175         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2176                 AC_TRY_LINK([#include <math.h>],
2177                 [ isfinite(0.0); ],
2178                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2179                 AC_MSG_RESULT(no)))
2180
2181         dnl ****************************************************************
2182         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2183         dnl *** have it in the library (duh))                            ***
2184         dnl ****************************************************************
2185         AC_CHECK_FUNCS(poll)
2186
2187         dnl *************************
2188         dnl *** Check for signbit ***
2189         dnl *************************
2190         AC_MSG_CHECKING(for signbit)
2191         AC_TRY_LINK([#include <math.h>], [
2192                 int s = signbit(1.0);
2193         ], [
2194                 AC_MSG_RESULT(yes)
2195                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2196         ], [
2197                 AC_MSG_RESULT(no)
2198         ])
2199
2200         dnl **********************************
2201         dnl *** epoll                      ***
2202         dnl **********************************
2203         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2204                 AC_CHECK_HEADERS(sys/epoll.h)
2205                 haveepoll=no
2206                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2207                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2208                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2209                 fi
2210         fi
2211
2212         havekqueue=no
2213
2214         AC_CHECK_HEADERS(sys/event.h)
2215         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2216
2217         dnl **************************************
2218         dnl * Darwin has a race that prevents us from using reliably:
2219         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2220         dnl * Since kqueue is mostly used for scaling large web servers,
2221         dnl * and very few folks run Mono on large web servers on OSX, falling
2222         dnl * back
2223         dnl **************************************
2224         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2225                 if test "x$host_darwin" = "xno"; then
2226                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2227                 fi
2228         fi
2229
2230         dnl ******************************
2231         dnl *** Checks for SIOCGIFCONF ***
2232         dnl ******************************
2233         AC_CHECK_HEADERS(sys/ioctl.h)
2234         AC_CHECK_HEADERS(net/if.h, [], [],
2235            [
2236            #ifdef HAVE_SYS_TYPES_H
2237            # include <sys/types.h>
2238            #endif
2239            #ifdef HAVE_SYS_SOCKET_H
2240            # include <sys/socket.h>
2241            #endif
2242            ])
2243         AC_MSG_CHECKING(for ifreq)
2244         AC_TRY_COMPILE([
2245                 #include <stdio.h>
2246                 #include <sys/ioctl.h>
2247                 #include <net/if.h>
2248                 ], [
2249                 struct ifconf ifc;
2250                 struct ifreq *ifr;
2251                 void *x;
2252                 ifc.ifc_len = 0;
2253                 ifc.ifc_buf = NULL;
2254                 x = (void *) &ifr->ifr_addr;
2255                 ],[
2256                         AC_MSG_RESULT(yes)
2257                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2258                 ], [
2259                         AC_MSG_RESULT(no)
2260                 ])
2261         dnl **********************************
2262         dnl ***     Checks for sin_len     ***
2263         dnl **********************************
2264         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2265         AC_TRY_COMPILE([
2266                 #include <netinet/in.h>
2267                 ], [
2268                 struct sockaddr_in saddr;
2269                 saddr.sin_len = sizeof (saddr);
2270                 ],[
2271                         AC_MSG_RESULT(yes)
2272                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2273                 ], [
2274                         AC_MSG_RESULT(no)
2275                 ])
2276         dnl **********************************
2277         dnl ***    Checks for sin6_len     ***
2278         dnl **********************************
2279         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2280         AC_TRY_COMPILE([
2281                 #include <netinet/in.h>
2282                 ], [
2283                 struct sockaddr_in6 saddr6;
2284                 saddr6.sin6_len = sizeof (saddr6);
2285                 ],[
2286                         AC_MSG_RESULT(yes)
2287                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2288                 ], [
2289                         AC_MSG_RESULT(no)
2290                 ])
2291         dnl **********************************
2292         dnl *** Check for getifaddrs       ***
2293         dnl **********************************
2294         AC_MSG_CHECKING(for getifaddrs)
2295                 AC_TRY_LINK([
2296                 #include <stdio.h>
2297                 #include <sys/types.h>
2298                 #include <sys/socket.h>
2299                 #include <ifaddrs.h>
2300         ], [
2301                 getifaddrs(NULL);
2302         ], [
2303                 # Yes, we have it...
2304                 AC_MSG_RESULT(yes)
2305                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2306         ], [
2307                 AC_MSG_RESULT(no)
2308         ])
2309         dnl **********************************
2310         dnl *** Check for if_nametoindex   ***
2311         dnl **********************************
2312         AC_MSG_CHECKING(for if_nametoindex)
2313                 AC_TRY_LINK([
2314                 #include <stdio.h>
2315                 #include <sys/types.h>
2316                 #include <sys/socket.h>
2317                 #include <net/if.h>
2318         ], [
2319                 if_nametoindex(NULL);
2320         ], [
2321                 # Yes, we have it...
2322                 AC_MSG_RESULT(yes)
2323                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2324         ], [
2325                 AC_MSG_RESULT(no)
2326         ])
2327
2328         dnl **********************************
2329         dnl *** Checks for MonoPosixHelper ***
2330         dnl **********************************
2331         AC_CHECK_HEADERS(checklist.h)
2332         AC_CHECK_HEADERS(pathconf.h)
2333         AC_CHECK_HEADERS(fstab.h)
2334         AC_CHECK_HEADERS(attr/xattr.h)
2335         AC_CHECK_HEADERS(sys/extattr.h)
2336         AC_CHECK_HEADERS(sys/sendfile.h)
2337         AC_CHECK_HEADERS(sys/statvfs.h)
2338         AC_CHECK_HEADERS(sys/statfs.h)
2339         AC_CHECK_HEADERS(sys/vfstab.h)
2340         AC_CHECK_HEADERS(sys/xattr.h)
2341         AC_CHECK_HEADERS(sys/mman.h)
2342         AC_CHECK_HEADERS(sys/param.h)
2343         AC_CHECK_HEADERS(sys/mount.h, [], [],
2344                 [
2345                 #ifdef HAVE_SYS_PARAM_H
2346                 # include <sys/param.h>
2347                 #endif
2348                 ])
2349         AC_CHECK_HEADERS(sys/mount.h)
2350         AC_CHECK_FUNCS(confstr)
2351         AC_CHECK_FUNCS(seekdir telldir)
2352         AC_CHECK_FUNCS(getdomainname)
2353         AC_CHECK_FUNCS(setdomainname)
2354         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2355         AC_CHECK_FUNCS(setgroups)
2356         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2357         AC_CHECK_FUNCS(getfsstat)
2358         AC_CHECK_FUNCS(lutimes futimes)
2359         AC_CHECK_FUNCS(mremap)
2360         AC_CHECK_FUNCS(remap_file_pages)
2361         AC_CHECK_FUNCS(posix_fadvise)
2362         AC_CHECK_FUNCS(posix_fallocate)
2363         AC_CHECK_FUNCS(posix_madvise)
2364         AC_CHECK_FUNCS(vsnprintf)
2365         AC_CHECK_FUNCS(sendfile)
2366         AC_CHECK_FUNCS(gethostid sethostid)
2367         AC_CHECK_FUNCS(sethostname)
2368         AC_CHECK_FUNCS(statfs)
2369         AC_CHECK_FUNCS(fstatfs)
2370         AC_CHECK_FUNCS(statvfs)
2371         AC_CHECK_FUNCS(fstatvfs)
2372         AC_CHECK_FUNCS(stime)
2373         AC_CHECK_FUNCS(strerror_r)
2374         AC_CHECK_FUNCS(ttyname_r)
2375         AC_CHECK_FUNCS(psignal)
2376         AC_CHECK_FUNCS(getlogin_r)
2377         AC_CHECK_FUNCS(lockf)
2378         AC_CHECK_FUNCS(swab)
2379         AC_CHECK_FUNCS(setusershell endusershell)
2380         AC_CHECK_FUNCS(futimens utimensat)
2381         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2382         AC_CHECK_FUNCS(readv writev preadv pwritev)
2383         AC_CHECK_FUNCS(setpgid)
2384         AC_CHECK_FUNCS(system)
2385         AC_CHECK_FUNCS(fork execv execve)
2386         AC_CHECK_FUNCS(accept4)
2387         AC_CHECK_SIZEOF(size_t)
2388         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2389                 [#include <sys/types.h>
2390                  #include <sys/stat.h>
2391                  #include <unistd.h>])
2392         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2393                 [#include <sys/types.h>
2394                  #include <sys/stat.h>
2395                  #include <unistd.h>])
2396         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2397                 [#include <sys/time.h>])
2398         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2399                 [#include <sys/socket.h>])
2400         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2401                 [#include <unistd.h>
2402                  #include <fcntl.h>])
2403         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2404                 [#include <sys/uio.h>])
2405         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2406                 [#include <sys/socket.h>])
2407         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2408                 [#include <sys/poll.h>])
2409         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2410                 [#include <sys/socket.h>])
2411         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2412                 [#include <sys/socket.h>])
2413         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2414                 [#include <netinet/in.h>])
2415         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2416                 [#include <netinet/in.h>])
2417         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2418                 [#include <sys/un.h>])
2419         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2420                 [#include <sys/types.h>
2421                  #include <sys/stat.h>
2422                  #include <unistd.h>])
2423         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2424                 [#include <time.h>])
2425         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2426                 [#include <sys/time.h>
2427                  #include <sys/types.h>
2428                  #include <utime.h>])
2429         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2430                 [#include <sys/time.h>])
2431         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2432                 [#include <sys/types.h>
2433                  #include <utime.h>])
2434         AC_CHECK_MEMBERS(
2435                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2436                 [#include <sys/types.h>
2437                  #include <dirent.h>])
2438         AC_CHECK_MEMBERS(
2439                 [struct passwd.pw_gecos],,,
2440                 [#include <sys/types.h>
2441                  #include <pwd.h>])
2442         AC_CHECK_MEMBERS(
2443                 [struct statfs.f_flags],,,
2444                 [#include <sys/types.h>
2445                  #include <sys/vfs.h>])
2446         AC_CHECK_MEMBERS(
2447                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2448                 [#include <sys/types.h>
2449                  #include <sys/stat.h>
2450                  #include <unistd.h>])
2451
2452         dnl Favour xattr through glibc, but use libattr if we have to
2453         AC_CHECK_FUNC(lsetxattr, ,
2454                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2455         )
2456         AC_SUBST(XATTR_LIB)
2457
2458         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2459         AC_CHECK_MEMBERS(
2460                 [struct kinfo_proc.kp_proc],,,
2461                 [#include <sys/types.h>
2462                  #include <sys/param.h>
2463                  #include <sys/sysctl.h>
2464                  #include <sys/proc.h>
2465                  ])
2466
2467         dnl *********************************
2468         dnl *** Checks for Windows compilation ***
2469         dnl *********************************
2470         AC_CHECK_HEADERS(sys/time.h)
2471         AC_CHECK_HEADERS(sys/param.h)
2472         AC_CHECK_HEADERS(dirent.h)
2473
2474         dnl ******************************************
2475         dnl *** Checks for OSX and iOS compilation ***
2476         dnl ******************************************
2477         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2478
2479         dnl *********************************
2480         dnl *** Check for Console 2.0 I/O ***
2481         dnl *********************************
2482         AC_CHECK_HEADERS([curses.h])
2483         AC_CHECK_HEADERS([term.h], [], [],
2484         [#if HAVE_CURSES_H
2485          #include <curses.h>
2486          #endif
2487         ])
2488         AC_CHECK_HEADERS([termios.h])
2489 else
2490         dnl *********************************
2491         dnl *** Checks for Windows compilation ***
2492         dnl *********************************
2493         AC_CHECK_HEADERS(winternl.h)
2494
2495         jdk_headers_found=no
2496         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2497         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2498         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2499         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2500         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2501         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2502         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2503
2504         dnl *********************************
2505         dnl *** Check for struct ip_mreqn ***
2506         dnl *********************************
2507         AC_MSG_CHECKING(for struct ip_mreqn)
2508         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2509                 struct ip_mreqn mreq;
2510                 mreq.imr_address.s_addr = 0;
2511         ], [
2512                 # Yes, we have it...
2513                 AC_MSG_RESULT(yes)
2514                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2515         ], [
2516                 # We'll just have to try and use struct ip_mreq
2517                 AC_MSG_RESULT(no)
2518                 AC_MSG_CHECKING(for struct ip_mreq)
2519                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2520                         struct ip_mreq mreq;
2521                         mreq.imr_interface.s_addr = 0;
2522                 ], [
2523                         # Yes, we have it...
2524                         AC_MSG_RESULT(yes)
2525                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2526                 ], [
2527                         # No multicast support
2528                         AC_MSG_RESULT(no)
2529                 ])
2530         ])
2531
2532         dnl **********************************
2533         dnl *** Check for getaddrinfo ***
2534         dnl **********************************
2535         AC_MSG_CHECKING(for getaddrinfo)
2536                 AC_TRY_LINK([
2537                 #include <stdio.h>
2538                 #include <winsock2.h>
2539                 #include <ws2tcpip.h>
2540         ], [
2541                 getaddrinfo(NULL,NULL,NULL,NULL);
2542         ], [
2543                 # Yes, we have it...
2544                 AC_MSG_RESULT(yes)
2545                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2546         ], [
2547                 AC_MSG_RESULT(no)
2548         ])
2549
2550         dnl **********************************
2551         dnl *** Check for gethostbyname ***
2552         dnl **********************************
2553         AC_MSG_CHECKING(for gethostbyname)
2554                 AC_TRY_LINK([
2555                 #include <stdio.h>
2556                 #include <winsock2.h>
2557                 #include <ws2tcpip.h>
2558         ], [
2559                 gethostbyname(NULL);
2560         ], [
2561                 # Yes, we have it...
2562                 AC_MSG_RESULT(yes)
2563                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2564         ], [
2565                 AC_MSG_RESULT(no)
2566         ])
2567
2568         dnl **********************************
2569         dnl *** Check for getprotobyname ***
2570         dnl **********************************
2571         AC_MSG_CHECKING(for getprotobyname)
2572                 AC_TRY_LINK([
2573                 #include <stdio.h>
2574                 #include <winsock2.h>
2575                 #include <ws2tcpip.h>
2576         ], [
2577                 getprotobyname(NULL);
2578         ], [
2579                 # Yes, we have it...
2580                 AC_MSG_RESULT(yes)
2581                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2582         ], [
2583                 AC_MSG_RESULT(no)
2584         ])
2585
2586         dnl **********************************
2587         dnl *** Check for getnameinfo ***
2588         dnl **********************************
2589         AC_MSG_CHECKING(for getnameinfo)
2590                 AC_TRY_LINK([
2591                 #include <stdio.h>
2592                 #include <winsock2.h>
2593                 #include <ws2tcpip.h>
2594         ], [
2595                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2596         ], [
2597                 # Yes, we have it...
2598                 AC_MSG_RESULT(yes)
2599                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2600         ], [
2601                 AC_MSG_RESULT(no)
2602         ])
2603
2604         dnl **********************************
2605         dnl *** Check for inet_ntop ***
2606         dnl **********************************
2607         AC_MSG_CHECKING(for inet_ntop)
2608                 AC_TRY_LINK([
2609                 #include <stdio.h>
2610                 #include <winsock2.h>
2611                 #include <ws2tcpip.h>
2612         ], [
2613                 inet_ntop (0, NULL, NULL, 0);
2614         ], [
2615                 # Yes, we have it...
2616                 AC_MSG_RESULT(yes)
2617                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2618         ], [
2619                 AC_MSG_RESULT(no)
2620         ])
2621
2622         dnl **********************************
2623         dnl *** Check for inet_pton ***
2624         dnl **********************************
2625         AC_MSG_CHECKING(for inet_pton)
2626                 AC_TRY_LINK([
2627                 #include <stdio.h>
2628                 #include <winsock2.h>
2629                 #include <ws2tcpip.h>
2630         ], [
2631                 #ifndef inet_pton
2632                 (void) inet_pton;
2633                 #endif
2634                 inet_pton (0, NULL, NULL);
2635         ], [
2636                 # Yes, we have it...
2637                 AC_MSG_RESULT(yes)
2638                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2639         ], [
2640                 AC_MSG_RESULT(no)
2641         ])
2642
2643         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2644         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2645         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2646         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2647         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2648         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2649         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2650 fi
2651
2652 dnl socklen_t check
2653 AC_MSG_CHECKING(for socklen_t)
2654 AC_TRY_COMPILE([
2655 #include <sys/types.h>
2656 #include <sys/socket.h>
2657 ],[
2658   socklen_t foo;
2659 ],[
2660 ac_cv_c_socklen_t=yes
2661         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2662         AC_MSG_RESULT(yes)
2663 ],[
2664         AC_MSG_RESULT(no)
2665 ])
2666
2667 AC_MSG_CHECKING(for array element initializer support)
2668 AC_TRY_COMPILE([#include <sys/socket.h>], [
2669         const int array[] = {[1] = 2,};
2670 ], [
2671         # Yes, we have it...
2672         AC_MSG_RESULT(yes)
2673         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2674 ], [
2675         # We'll have to use signals
2676         AC_MSG_RESULT(no)
2677 ])
2678
2679 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2680         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2681         AC_TRY_LINK([#include <math.h>],
2682         [ static void *p = &trunc; ],
2683         [
2684                 AC_DEFINE(HAVE_TRUNC)
2685                 AC_MSG_RESULT(yes)
2686                 ac_cv_trunc=yes
2687         ],
2688         AC_MSG_RESULT(no)))
2689
2690 if test "x$ac_cv_truncl" != "xyes"; then
2691    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2692 fi
2693
2694 AC_CHECK_FUNCS(execvp)
2695
2696 dnl ****************************
2697 dnl *** Look for /dev/random ***
2698 dnl ****************************
2699
2700 AC_MSG_CHECKING([if usage of random device is requested])
2701 AC_ARG_ENABLE(dev-random,
2702 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2703 try_dev_random=$enableval, try_dev_random=yes)
2704
2705 AC_MSG_RESULT($try_dev_random)
2706
2707 case "{$build}" in
2708     *-openbsd*)
2709     NAME_DEV_RANDOM="/dev/srandom"
2710     ;;
2711
2712 dnl Win32 does not have /dev/random, they have their own method...
2713
2714     *-mingw*|*-*-cygwin*)
2715     ac_cv_have_dev_random=no
2716     ;;
2717
2718 dnl Everywhere else, it's /dev/random
2719
2720     *)
2721     NAME_DEV_RANDOM="/dev/random"
2722     ;;
2723 esac
2724
2725 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2726
2727 dnl Now check if the device actually exists
2728
2729 if test "x$try_dev_random" = "xyes"; then
2730     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2731     [if test -r "$NAME_DEV_RANDOM" ; then
2732         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2733     if test "x$ac_cv_have_dev_random" = "xyes"; then
2734         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2735     fi
2736 else
2737     AC_MSG_CHECKING(for random device)
2738     ac_cv_have_dev_random=no
2739     AC_MSG_RESULT(has been disabled)
2740 fi
2741
2742 if test "x$host_win32" = "xyes"; then
2743     AC_DEFINE(HAVE_CRYPT_RNG)
2744 fi
2745
2746 if test "x$ac_cv_have_dev_random" = "xno" \
2747     && test "x$host_win32" = "xno"; then
2748     AC_MSG_WARN([[
2749 ***
2750 *** A system-provided entropy source was not found on this system.
2751 *** Because of this, the System.Security.Cryptography random number generator
2752 *** will throw a NotImplemented exception.
2753 ***
2754 *** If you are seeing this message, and you know your system DOES have an
2755 *** entropy collection in place, please contact <crichton@gimp.org> and
2756 *** provide information about the system and how to access the random device.
2757 ***
2758 *** Otherwise you can install either egd or prngd and set the environment
2759 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2760 ***]])
2761 fi
2762
2763 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2764
2765 AC_MSG_CHECKING([if big-arrays are to be enabled])
2766 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2767 if test "x$enable_big_arrays" = "xyes" ; then
2768     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2769         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2770     else
2771         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2772     fi
2773 fi
2774 AC_MSG_RESULT($enable_big_arrays)
2775
2776 dnl **************
2777 dnl *** DTRACE ***
2778 dnl **************
2779
2780 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2781
2782 if test "x$enable_dtrace" = "xyes"; then
2783    if test "x$has_dtrace" = "xno"; then
2784           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2785    fi
2786    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2787    if test "x$DTRACE" = "xno"; then
2788           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2789           enable_dtrace=no
2790    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2791           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2792           enable_dtrace=no
2793    fi
2794 fi
2795
2796 dtrace_g=no
2797 if test "x$enable_dtrace" = "xyes"; then
2798         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2799         DTRACEFLAGS=
2800         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2801                 case "$host" in
2802                         powerpc-*-darwin*)
2803                         DTRACEFLAGS="-arch ppc64"
2804                         ;;
2805                         i*86-*-darwin*)
2806                         DTRACEFLAGS="-arch x86_64"
2807                         ;;
2808                         *)
2809                         DTRACEFLAGS=-64
2810                         ;;
2811                 esac
2812         else
2813                 case "$host" in
2814                         powerpc-*-darwin*)
2815                         DTRACEFLAGS="-arch ppc"
2816                         ;;
2817                         i*86-*-darwin*)
2818                         DTRACEFLAGS="-arch i386"
2819                         ;;
2820                         *)
2821                         DTRACEFLAGS=-32
2822                         ;;
2823                 esac
2824         fi
2825         AC_SUBST(DTRACEFLAGS)
2826         case "$host" in
2827                 *-*-solaris*)
2828                 dtrace_g=yes
2829                 ;;
2830         esac
2831         AC_CHECK_HEADERS([sys/sdt.h])
2832 fi
2833 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2834 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2835
2836 dnl **************
2837 dnl ***  NaCl  ***
2838 dnl **************
2839
2840 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2841 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2842
2843 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2844
2845 dnl
2846 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2847 dnl
2848 nacl_self_host=""
2849 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2850    nacl_self_host="nacl_self_host"
2851 fi
2852 AC_SUBST(nacl_self_host)
2853
2854 if test "x$enable_nacl_codegen" = "xyes"; then
2855    MONO_NACL_ALIGN_MASK_OFF=1
2856    AC_DEFINE(TARGET_NACL, 1, [...])
2857    AC_DEFINE(__native_client_codegen__, 1, [...])
2858 fi
2859 if test "x$enable_nacl_gc" = "xyes"; then
2860    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2861       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2862    else
2863       # Not yet implemented
2864       INSTRUMENT_CFLAG=""
2865    fi
2866    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2867 fi
2868 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2869
2870 dnl **************************
2871 dnl *** AOT cross offsets  ***
2872 dnl **************************
2873
2874 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2875     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2876
2877 dnl **************
2878 dnl ***  LLVM  ***
2879 dnl **************
2880
2881 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2882 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2883 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2884 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2885
2886 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2887
2888 if test "x$enable_llvm" = "xdefault"; then
2889    enable_llvm=$enable_llvm_default
2890 fi
2891
2892 if test "x$enable_llvm" = "xyes"; then
2893    if test "x$with_llvm" != "x"; then
2894           LLVM_CONFIG=$with_llvm/bin/llvm-config
2895           if test x$host_win32 = xyes; then
2896                 LLVM_CONFIG=$LLVM_CONFIG.exe
2897           fi
2898           if test ! -x $LLVM_CONFIG; then
2899                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2900       fi
2901    else
2902       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2903       if test "x$LLVM_CONFIG" = "xno"; then
2904              AC_MSG_ERROR([llvm-config not found.])
2905       fi
2906    fi
2907
2908    llvm_codegen="x86codegen"
2909    case "$target" in
2910    arm*)
2911                 llvm_codegen="armcodegen"
2912                 ;;
2913    esac
2914
2915    if test "x$host_win32" = "xno"; then
2916
2917    # Should be something like '2.6' or '2.7svn'
2918    llvm_version=`$LLVM_CONFIG --version`
2919    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2920    AC_MSG_CHECKING(LLVM version)
2921    AC_MSG_RESULT($llvm_version $llvm_api_version)
2922    if echo $llvm_version | grep -q 'mono'; then
2923           if test "x$enable_llvm_version_check" = "xyes"; then
2924                  if test "$llvm_version" != "$expected_llvm_version"; then
2925                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2926                  fi
2927           fi
2928    else
2929           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.])
2930    fi
2931
2932    # The output of --cflags seems to include optimizations flags too
2933    if test $llvm_api_version -gt 100; then
2934           # The --cflags argument includes all kinds of warnings -pendantic etc.
2935           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2936           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2937    else
2938           LLVM_CFLAGS=`$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'`
2939       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2940    fi
2941    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2942    # from LLVM classes.
2943    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2944    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2945    # This might include empty lines
2946    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2947    llvm_jit_supported=yes
2948    llvm_jit_libs="jit mcjit $llvm_codegen"
2949    if test "x$host" != "x$target"; then
2950       # No need for jit libs
2951           llvm_jit_supported=no
2952       llvm_jit_libs=""
2953    elif test $llvm_api_version -gt 100; then
2954       llvm_jit_libs="orcjit $llvm_codegen"
2955    fi
2956    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2957    if test "x$LLVM_LIBS" = "x"; then
2958           echo "$LLVM_CONFIG --libs failed."
2959           exit 1
2960    fi
2961    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2962    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2963    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2964       LLVM_LIBS="$LLVM_LIBS -lc++"
2965    else
2966       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2967    fi
2968
2969    expected_llvm_version="3.4svn-mono-mono/e656cac"
2970
2971    else
2972        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2973        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2974        LLVM_LDFLAGS="-L$with_llvm/lib"
2975        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2976        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2977          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2978          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2979          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2980          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2981          -lLLVMAnalysis -lLLVMTarget \
2982          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2983          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2984          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2985          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2986          -lLLVMSupport -lstdc++"
2987        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2988
2989        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2990        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2991    fi
2992
2993    if test "x$llvm_api_version" = "x"; then
2994           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2995           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2996    else
2997           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2998           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2999    fi
3000
3001    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
3002
3003    AC_SUBST(LLVM_CFLAGS)
3004    AC_SUBST(LLVM_CXXFLAGS)
3005    AC_SUBST(LLVM_LIBS)
3006    AC_SUBST(LLVM_LDFLAGS)
3007    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3008 fi
3009
3010 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3011 if test "x$enable_loadedllvm" = "xyes"; then
3012    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3013 fi
3014 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3015
3016 if test "x$enable_llvm" = "xyes"; then
3017    enable_llvm_runtime=yes
3018 fi
3019 if test "x$enable_llvm_runtime" = "xyes"; then
3020    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3021 fi
3022 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3023
3024 TARGET="unknown"
3025 ACCESS_UNALIGNED="yes"
3026
3027 LIBC="libc.so.6"
3028 INTL="libc.so.6"
3029 SQLITE="libsqlite.so.0"
3030 SQLITE3="libsqlite3.so.0"
3031 X11="libX11.so"
3032 GDKX11="libgdk-x11-2.0.so.0"
3033 GTKX11="libgtk-x11-2.0.so.0"
3034 XINERAMA="libXinerama.so.1"
3035
3036 sizeof_register="SIZEOF_VOID_P"
3037
3038 jit_wanted=true
3039 boehm_supported=true
3040 BTLS_SUPPORTED=no
3041 BTLS_PLATFORM=
3042 case "$host" in
3043         mips*)
3044                 TARGET=MIPS;
3045                 arch_target=mips;
3046                 with_tls=pthread;
3047                 ACCESS_UNALIGNED="no"
3048
3049                 AC_MSG_CHECKING(for mips n32)
3050                 AC_TRY_COMPILE([],[
3051                 #if _MIPS_SIM != _ABIN32
3052                 #error Not mips n32
3053                 #endif
3054                 return 0;
3055                 ],[
3056                 AC_MSG_RESULT(yes)
3057                 sizeof_register=8
3058                 ],[
3059                 AC_MSG_RESULT(no)
3060                 ])
3061                 ;;
3062         i*86-*-*)
3063                 TARGET=X86;
3064                 arch_target=x86;
3065                 case $host_os in
3066                   solaris*)
3067                         LIBC="libc.so"
3068                         INTL="libintl.so"
3069                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3070                                 TARGET=AMD64
3071                                 arch_target=amd64
3072                         fi
3073
3074                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3075                         # int astruct __attribute__ ((visibility ("hidden")));
3076                         # void foo ()
3077                         # {
3078                         #       void *p = &astruct;
3079                         # }
3080                         # gcc -fPIC --shared -o libfoo.so foo.c
3081                         # yields:
3082                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3083                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3084                         have_visibility_hidden=no
3085                         ;;
3086                   mingw*|cygwin*)
3087                         have_visibility_hidden=no
3088                         ;;
3089                   haiku*)
3090                         LIBC=libroot.so
3091                         ;;
3092                   linux*)
3093                         AOT_SUPPORTED="yes"
3094                         BTLS_SUPPORTED=yes
3095                         BTLS_PLATFORM=i386
3096                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3097                         ;;
3098                   darwin*)
3099                         AOT_SUPPORTED="yes"
3100                         BTLS_SUPPORTED=yes
3101                         BTLS_PLATFORM=i386
3102                         ;;
3103                   openbsd*|freebsd*|kfreebsd-gnu*)
3104                         ;;
3105                 esac
3106                 ;;
3107         x86_64-*-* | amd64-*-*)
3108                 TARGET=AMD64;
3109                 arch_target=amd64;
3110                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3111                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3112                         sizeof_register=8
3113                 fi
3114                 case $host_os in
3115                   linux*)
3116                         AOT_SUPPORTED="yes"
3117                         BTLS_SUPPORTED=yes
3118                         BTLS_PLATFORM=x86_64
3119                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3120                         ;;
3121                   darwin*)
3122                         AOT_SUPPORTED="yes"
3123                         BTLS_SUPPORTED=yes
3124                         BTLS_PLATFORM=x86_64
3125                         boehm_supported=false
3126                         ;;
3127                   openbsd*|freebsd*|kfreebsd-gnu*)
3128                         ;;
3129                   mingw*)
3130                         ;;
3131                 esac
3132                 case "$host" in
3133                         x86_64-*-nacl*)
3134                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3135                                 sizeof_register=8
3136                                 ;;
3137                 esac
3138                 ;;
3139         ia64-*-*)
3140                 TARGET=IA64
3141                 arch_target=ia64
3142                 ACCESS_UNALIGNED="no"
3143                 LIBC="libc.so.6.1"
3144                 INTL="libc.so.6.1"
3145                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3146                 libmono_ldflags="-lunwind"
3147                 ;;
3148         sparc*-*-*)
3149                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3150                    TARGET=SPARC64
3151                 else
3152                         TARGET=SPARC
3153                 fi
3154                 arch_target=sparc;
3155                 ACCESS_UNALIGNED="no"
3156                 case $host_os in
3157                   linux*) ;;
3158                   *)
3159                         LIBC="libc.so"
3160                         INTL="libintl.so"
3161                 esac
3162                 if test x"$GCC" = xyes; then
3163                         # We don't support v8 cpus
3164                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3165                 fi
3166                 if test x"$AR" = xfalse; then
3167                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3168                 fi
3169                 ;;
3170         *-mingw*|*-*-cygwin*)
3171                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3172                 have_visibility_hidden=no
3173                 INTL="intl"
3174                 ;;
3175         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3176         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3177                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3178                         TARGET=POWERPC64;
3179                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3180                         CFLAGS="$CFLAGS -mminimal-toc"
3181                 else
3182                         TARGET=POWERPC;
3183                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3184                 fi
3185                 arch_target=ppc;
3186                 case $host_os in
3187                   linux*|darwin*)
3188                         ;;
3189                 esac
3190                 ;;
3191         armv7k-*-darwin*)
3192                 TARGET=ARM;
3193                 TARGET_SYS=WATCHOS
3194                 arch_target=arm;
3195                 arm_fpu=VFP_HARD
3196                 ACCESS_UNALIGNED="no"
3197                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3198                 ;;
3199
3200         arm*-darwin*)
3201                 TARGET=ARM;
3202                 arch_target=arm;
3203                 ACCESS_UNALIGNED="no"
3204                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3205                 ;;
3206         arm*-linux*)
3207                 TARGET=ARM;
3208                 arch_target=arm;
3209                 ACCESS_UNALIGNED="no"
3210                 AOT_SUPPORTED="yes"
3211                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3212                 ;;
3213         arm*-netbsd*-eabi*)
3214                 TARGET=ARM;
3215                 arch_target=arm;
3216                 ACCESS_UNALIGNED="no"
3217                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3218                 ;;
3219 # TODO: make proper support for NaCl host.
3220 #        arm*-*nacl)
3221 #               TARGET=ARM;
3222 #               arch_target=arm;
3223 #               ACCESS_UNALIGNED="no"
3224 #               AOT_SUPPORTED="no"
3225 #               ;;
3226         aarch64-*)
3227                 # https://lkml.org/lkml/2012/7/15/133
3228                 TARGET=ARM64
3229                 arch_target=arm64
3230                 boehm_supported=false
3231                 AOT_SUPPORTED="yes"
3232                 ;;
3233         s390x-*-linux*)
3234                 TARGET=S390X;
3235                 arch_target=s390x;
3236                 ACCESS_UNALIGNED="yes"
3237                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3238                 ;;
3239 esac
3240
3241 HOST=$TARGET
3242
3243 if test "x$host" != "x$target"; then
3244    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3245    enable_mcs_build=no
3246    BTLS_SUPPORTED=no
3247    case "$target" in
3248    arm*-darwin*)
3249                 TARGET=ARM;
3250                 arch_target=arm;
3251                 ACCESS_UNALIGNED="no"
3252                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3253                 # Can't use tls, since it depends on the runtime detection of tls offsets
3254                 # in mono-compiler.h
3255                 with_tls=pthread
3256                 case "$target" in
3257                 armv7k-*)
3258                         arm_fpu=VFP_HARD
3259                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3260                         ;;
3261                 esac
3262                 ;;
3263    powerpc64-ps3-linux-gnu)
3264                 TARGET=POWERPC64
3265                 arch_target=powerpc64
3266                 AC_DEFINE(TARGET_PS3, 1, [...])
3267                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3268                 # uses this define
3269                 AC_DEFINE(__mono_ppc64__, 1, [...])
3270                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3271                 sizeof_register=8
3272                 target_byte_order=G_BIG_ENDIAN
3273                 ;;
3274    powerpc64-xbox360-linux-gnu)
3275                 TARGET=POWERPC64
3276                 arch_target=powerpc64
3277                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3278                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3279                 # uses this define
3280                 sizeof_register=8
3281                 target_byte_order=G_BIG_ENDIAN
3282                 ;;
3283    x86_64-*-nacl)
3284                 TARGET=AMD64
3285                 arch_target=amd64
3286                 AC_DEFINE(TARGET_AMD64, 1, [...])
3287                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3288                 sizeof_register=8
3289                 ;;
3290 # TODO: make proper support for NaCl target.
3291 #   arm*-*nacl)
3292 #               TARGET=ARM
3293 #               arch_target=arm
3294 #               AC_DEFINE(TARGET_ARM, 1, [...])
3295 #               ACCESS_UNALIGNED="no"
3296 #               sizeof_register=4
3297 #               CPPFLAGS="$CPPFLAGS \
3298 #                    -D__ARM_EABI__ \
3299 #                    -D__arm__ \
3300 #                    -D__portable_native_client__ \
3301 #                    -Dtimezone=_timezone \
3302 #                    -DDISABLE_SOCKETS \
3303 #                    -DDISABLE_ATTACH \
3304 #                    -DUSE_NEWLIB"
3305                 # Can't use tls, since it depends on the runtime detection of tls offsets
3306                 # in mono-compiler.h
3307 #               with_tls=pthread
3308 #               ;;
3309    i686-*-nacl)
3310                 TARGET=X86
3311                 arch_target=x86
3312                 AC_DEFINE(TARGET_X86, 1, [...])
3313                 sizeof_register=4
3314                 ;;
3315    arm*-linux-*)
3316                 TARGET=ARM;
3317                 arch_target=arm;
3318                 AC_DEFINE(TARGET_ARM, 1, [...])
3319                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3320                 ACCESS_UNALIGNED="no"
3321                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3322                 # Can't use tls, since it depends on the runtime detection of tls offsets
3323                 # in mono-compiler.h
3324                 with_tls=pthread
3325                 target_mach=no
3326                 case "$target" in
3327                 armv7l-unknown-linux-gnueabi*)
3328                         # TEGRA
3329                         CPPFLAGS="$CPPFLAGS"
3330                         ;;
3331                 armv5-*-linux-androideabi*)
3332                         CPPFLAGS="$CPPFLAGS"
3333                         ;;
3334                 esac
3335                 ;;
3336    arm*-netbsd*-eabi*)
3337                 TARGET=ARM;
3338                 arch_target=arm;
3339                 AC_DEFINE(TARGET_ARM, 1, [...])
3340                 ACCESS_UNALIGNED="no"
3341                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3342                 # Can't use tls, since it depends on the runtime detection of tls offsets
3343                 # in mono-compiler.h
3344                 with_tls=pthread
3345                 target_mach=no
3346                 ;;
3347    i686*-linux-*)
3348                 TARGET=X86;
3349                 arch_target=x86;
3350                 AC_DEFINE(TARGET_X86, 1, [...])
3351                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3352                 CPPFLAGS="$CPPFLAGS"
3353                 # Can't use tls, since it depends on the runtime detection of tls offsets
3354                 # in mono-compiler.h
3355                 with_tls=pthread
3356                 target_mach=no
3357                 ;;
3358    x86_64*-linux-*)
3359                 TARGET=AMD64;
3360                 arch_target=amd64;
3361                 AC_DEFINE(TARGET_AMD64, 1, [...])
3362                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3363                 CPPFLAGS="$CPPFLAGS"
3364                 # Can't use tls, since it depends on the runtime detection of tls offsets
3365                 # in mono-compiler.h
3366                 with_tls=pthread
3367                 target_mach=no
3368                 ;;
3369    x86_64-ps4-freebsd)
3370                 TARGET=AMD64;
3371                 arch_target=amd64;
3372                 AC_DEFINE(TARGET_AMD64, 1, [...])
3373                 AC_DEFINE(TARGET_PS4, 1, [...])
3374                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3375                 CPPFLAGS="$CPPFLAGS"
3376                 # Can't use tls, since it depends on the runtime detection of tls offsets
3377                 # in mono-compiler.h
3378                 with_tls=pthread
3379                 target_mach=no
3380                 target_win32=no
3381                 ;;
3382    aarch64*-linux-*)
3383                 TARGET=ARM64;
3384                 arch_target=arm64;
3385                 AC_DEFINE(TARGET_ARM64, 1, [...])
3386                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3387                 CPPFLAGS="$CPPFLAGS"
3388                 # Can't use tls, since it depends on the runtime detection of tls offsets
3389                 # in mono-compiler.h
3390                 with_tls=pthread
3391                 target_mach=no
3392                 ;;
3393         aarch64-*)
3394                 TARGET=ARM64
3395                 ;;
3396         *)
3397                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3398         esac
3399 fi
3400
3401 case "$TARGET" in
3402 X86)
3403         AC_DEFINE(TARGET_X86, 1, [...])
3404         ;;
3405 AMD64)
3406         AC_DEFINE(TARGET_AMD64, 1, [...])
3407         ;;
3408 ARM)
3409         AC_DEFINE(TARGET_ARM, 1, [...])
3410         ;;
3411 ARM64)
3412         AC_DEFINE(TARGET_ARM64, 1, [...])
3413         ;;
3414 POWERPC)
3415         AC_DEFINE(TARGET_POWERPC, 1, [...])
3416         ;;
3417 POWERPC64)
3418         AC_DEFINE(TARGET_POWERPC, 1, [...])
3419         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3420         ;;
3421 S390X)
3422         AC_DEFINE(TARGET_S390X, 1, [...])
3423         ;;
3424 MIPS)
3425         AC_DEFINE(TARGET_MIPS, 1, [...])
3426         ;;
3427 IA64)
3428         AC_DEFINE(TARGET_IA64, 1, [...])
3429         ;;
3430 SPARC)
3431         AC_DEFINE(TARGET_SPARC, 1, [...])
3432         ;;
3433 SPARC64)
3434         AC_DEFINE(TARGET_SPARC64, 1, [...])
3435         ;;
3436 esac
3437
3438 case "$HOST" in
3439 X86)
3440         AC_DEFINE(HOST_X86, 1, [...])
3441         ;;
3442 AMD64)
3443         AC_DEFINE(HOST_AMD64, 1, [...])
3444         ;;
3445 ARM)
3446         AC_DEFINE(HOST_ARM, 1, [...])
3447         ;;
3448 ARM64)
3449         AC_DEFINE(HOST_ARM64, 1, [...])
3450         ;;
3451 POWERPC)
3452         AC_DEFINE(HOST_POWERPC, 1, [...])
3453         ;;
3454 POWERPC64)
3455         AC_DEFINE(HOST_POWERPC, 1, [...])
3456         AC_DEFINE(HOST_POWERPC64, 1, [...])
3457         ;;
3458 S390X)
3459         AC_DEFINE(HOST_S390X, 1, [...])
3460         ;;
3461 MIPS)
3462         AC_DEFINE(HOST_MIPS, 1, [...])
3463         ;;
3464 IA64)
3465         AC_DEFINE(HOST_IA64, 1, [...])
3466         ;;
3467 SPARC)
3468         AC_DEFINE(HOST_SPARC, 1, [...])
3469         ;;
3470 SPARC64)
3471         AC_DEFINE(HOST_SPARC64, 1, [...])
3472         ;;
3473 esac
3474
3475
3476
3477 dnl *************
3478 dnl *** VTUNE ***
3479 dnl *************
3480
3481 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3482 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3483
3484 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3485
3486 if test "x$enable_vtune" = "xyes"; then
3487         if test "x$with_vtune" = "x"; then
3488                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3489         else
3490                 VTUNE_PATH=$with_vtune
3491         fi
3492         VTUNE_INCLUDE=$VTUNE_PATH/include
3493         case "$TARGET" in
3494         X86)
3495                 VTUNE_LIB=$VTUNE_PATH/lib32
3496                 ;;
3497         AMD64)
3498                 VTUNE_LIB=$VTUNE_PATH/lib64
3499                 ;;
3500         *)
3501                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3502                 ;;
3503         esac
3504         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3505                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3506         fi
3507         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3508                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3509         fi
3510
3511         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3512         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3513
3514         AC_SUBST(VTUNE_LIBS)
3515         AC_SUBST(VTUNE_CFLAGS)
3516 fi
3517 dnl Use GCC atomic ops if they work on the target.
3518 if test x$GCC = "xyes"; then
3519         case $TARGET in
3520         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3521                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3522                 ;;
3523         esac
3524 fi
3525
3526 if test "x$target_mach" = "xyes"; then
3527
3528    if test "x$TARGET_SYS" = "xWATCHOS"; then
3529           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3530           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3531           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3532           BTLS_SUPPORTED=no
3533    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3534           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3535           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3536           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3537           BTLS_SUPPORTED=no
3538    else
3539        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3540        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3541        #error fail this for ios
3542        #endif
3543        return 0;
3544        ], [
3545                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3546           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3547           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3548        ], [
3549           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3550           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3551           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3552           BTLS_SUPPORTED=no
3553        ])
3554         fi
3555    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3556 fi
3557
3558 if test "x$sizeof_register" = "x4"; then
3559    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3560 elif test "x$sizeof_register" = "x8"; then
3561    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3562 else
3563    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3564 fi
3565
3566 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3567    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3568 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3569    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3570 else
3571    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3572 fi
3573
3574 if test "x$have_visibility_hidden" = "xyes"; then
3575    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3576 fi
3577
3578 if test "x$have_deprecated" = "xyes"; then
3579    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3580 fi
3581
3582 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3583 if test "x$buildinterpreter" = "xyes"; then
3584     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3585     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3586 fi
3587
3588 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3589
3590
3591 dnl
3592 dnl Simple Generational checks (sgen)
3593 dnl
3594 SGEN_DEFINES=
3595 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3596 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3597 if test x$buildsgen = xyes; then
3598    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3599    SGEN_DEFINES="-DHAVE_SGEN_GC"
3600
3601         conc_gc_msg=""
3602    if test x$with_sgen_default_concurrent != xno; then
3603        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3604            conc_gc_msg=" (concurrent by default)"
3605    fi
3606
3607    if test "x$gc_msg" = "x"; then
3608       gc_msg="sgen$conc_gc_msg"
3609    else
3610       gc_msg="sgen$conc_gc_msg and $gc_msg"
3611    fi
3612 fi
3613 AC_SUBST(SGEN_DEFINES)
3614 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3615
3616 jit_status="Building and using the JIT"
3617
3618 libsuffix=".so"
3619
3620 case "$host" in
3621      *-*-darwin*)
3622         libsuffix=".dylib"
3623         LIBC="libc.dylib"
3624         INTL="libintl.dylib"
3625         SQLITE="libsqlite.0.dylib"
3626         SQLITE3="libsqlite3.0.dylib"
3627         X11="libX11.dylib"
3628         GDKX11="libgdk-x11-2.0.dylib"
3629         GTKX11="libgtk-x11-2.0.dylib"
3630         ;;
3631      *-*-*netbsd*)
3632         LIBC="libc.so"
3633         INTL="libintl.so"
3634         SQLITE="libsqlite.so"
3635         SQLITE3="libsqlite3.so"
3636         ;;
3637      *-*-kfreebsd*-gnu)
3638         LIBC="libc.so.0.1"
3639         INTL="libc.so.0.1"
3640         X11="libX11.so.6"
3641         ;;
3642     *-*-*freebsd*)
3643         LIBC="libc.so.7"
3644         INTL="libintl.so"
3645         SQLITE="libsqlite.so"
3646         SQLITE3="libsqlite3.so"
3647         ;;
3648     *-*-*openbsd*)
3649         LIBC="libc.so"
3650         INTL="libintl.so"
3651         SQLITE="libsqlite.so"
3652         SQLITE3="libsqlite3.so"
3653         ;;
3654     *-*-*linux*)
3655         AC_PATH_X
3656         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3657         AC_MSG_CHECKING(for the soname of libX11.so)
3658         for i in $x_libraries $dlsearch_path; do
3659                 for r in 4 5 6; do
3660                         if test -f $i/libX11.so.$r; then
3661                                 X11=libX11.so.$r
3662                                 AC_MSG_RESULT($X11)
3663                         fi
3664                 done
3665         done
3666
3667         if test "x$X11" = "xlibX11.so"; then
3668                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3669                 X11=libX11.so.6
3670         fi
3671         ;;
3672 esac
3673
3674
3675 AC_SUBST(libsuffix)
3676
3677 AC_ARG_WITH([libgdiplus],
3678         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3679         [], [with_libgdiplus=installed])
3680
3681 # default install location
3682 libgdiplus_install_loc=libgdiplus${libsuffix}
3683 case "$host" in
3684     *-*-*linux*)
3685     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3686     ;;
3687 esac
3688
3689 case $with_libgdiplus in
3690     no|installed)
3691     libgdiplus_loc=
3692     ;;
3693
3694     yes|sibling)
3695     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3696     ;;
3697
3698     /*) # absolute path, assume it is an install location
3699     libgdiplus_loc=$with_libgdiplus
3700     libgdiplus_install_loc=$with_libgdiplus
3701     ;;
3702
3703     *)
3704     libgdiplus_loc=`pwd`/$with_libgdiplus
3705     ;;
3706 esac
3707 AC_SUBST([libgdiplus_loc])
3708 AC_SUBST([libgdiplus_install_loc])
3709
3710 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3711 if test "x$icall_symbol_map" = "xyes"; then
3712    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3713 fi
3714
3715 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3716 if test "x$icall_export" = "xyes"; then
3717    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3718 fi
3719
3720 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3721 if test "x$icall_tables" = "xno"; then
3722    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3723 fi
3724
3725 if test "x$with_tls" = "x__thread"; then
3726         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3727         # Pass the information to libgc
3728         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3729         AC_MSG_CHECKING(if the tls_model attribute is supported)
3730         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3731                 ], [
3732                         AC_MSG_RESULT(yes)
3733                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3734                 ], [
3735                         AC_MSG_RESULT(no)
3736         ])
3737 fi
3738
3739 if test ${TARGET} = ARM; then
3740         dnl ******************************************
3741         dnl *** Check to see what FPU is available ***
3742         dnl ******************************************
3743         AC_MSG_CHECKING(which FPU to use)
3744
3745         #
3746         # This is a bit tricky:
3747         #
3748         # if (__ARM_PCS_VFP) {
3749         #       /* mfloat-abi=hard == VFP with hard ABI */
3750         # } elif (!__SOFTFP__) {
3751         #       /* mfloat-abi=softfp == VFP with soft ABI */
3752         # } else {
3753         #       /* mfloat-abi=soft == no VFP */
3754         # }
3755         #
3756         # The exception is iOS (w/ GCC) where none of the above
3757         # are defined (but iOS always uses the 'softfp' ABI).
3758         #
3759         # No support for FPA.
3760         #
3761
3762         fpu=NONE
3763
3764         # iOS GCC always uses the 'softfp' ABI.
3765         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3766                 fpu=VFP
3767         fi
3768
3769         # Are we using the 'hard' ABI?
3770         if test x$fpu = xNONE; then
3771                 AC_TRY_COMPILE([], [
3772                         #ifndef __ARM_PCS_VFP
3773                         #error "Float ABI is not 'hard'"
3774                         #endif
3775                         return 0;
3776                 ], [
3777                         fpu=VFP_HARD
3778                 ], [
3779                         fpu=NONE
3780                 ])
3781         fi
3782
3783         # No 'hard' ABI. 'soft' or 'softfp'?
3784         if test x$fpu = xNONE; then
3785                 AC_TRY_COMPILE([], [
3786                         #ifdef __SOFTFP__
3787                         #error "Float ABI is not 'softfp'"
3788                         #endif
3789                         return 0;
3790                 ], [
3791                         fpu=VFP
3792                 ], [
3793                         fpu=NONE
3794                 ])
3795         fi
3796
3797         if test x$arm_fpu != x; then
3798            fpu=$arm_fpu
3799         fi
3800
3801         AC_MSG_RESULT($fpu)
3802         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3803         unset fpu
3804
3805         dnl *********************************************
3806         dnl *** Check which ARM version(s) we can use ***
3807         dnl *********************************************
3808         AC_MSG_CHECKING(which ARM version to use)
3809
3810         AC_TRY_COMPILE([], [
3811                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3812                 #error Not on ARM v5.
3813                 #endif
3814                 return 0;
3815         ], [
3816                 arm_v5=yes
3817
3818                 arm_ver=ARMv5
3819         ], [])
3820
3821         AC_TRY_COMPILE([], [
3822                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3823                 #error Not on ARM v6.
3824                 #endif
3825                 return 0;
3826         ], [
3827                 arm_v5=yes
3828                 arm_v6=yes
3829
3830                 arm_ver=ARMv6
3831         ], [])
3832
3833         AC_TRY_COMPILE([], [
3834                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3835                 #error Not on ARM v7.
3836                 #endif
3837                 return 0;
3838         ], [
3839                 arm_v5=yes
3840                 arm_v6=yes
3841                 arm_v7=yes
3842
3843                 arm_ver=ARMv7
3844         ], [])
3845
3846         AC_MSG_RESULT($arm_ver)
3847
3848         if test x$arm_v5 = xyes; then
3849                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3850                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3851         fi
3852
3853         if test x$arm_v6 = xyes; then
3854                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3855                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3856         fi
3857
3858         if test x$arm_v7 = xyes; then
3859                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3860                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3861         fi
3862 fi
3863
3864 if test ${TARGET} = unknown; then
3865         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3866         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3867 fi
3868
3869 if test "x$platform_android" = "xyes"; then
3870         case "x${TARGET}" in
3871         xARM)
3872                 case "x$arm_ver" in
3873                 xARMv5)
3874                         BTLS_SUPPORTED=yes
3875                         BTLS_PLATFORM=android-armv5
3876                         ;;
3877                 xARMv6)
3878                         BTLS_SUPPORTED=yes
3879                         BTLS_PLATFORM=android-armv6
3880                         ;;
3881                 xARMv7)
3882                         BTLS_SUPPORTED=yes
3883                         BTLS_PLATFORM=android-armv7
3884                         ;;
3885                 *)
3886                         BTLS_SUPPORTED=no
3887                         ;;
3888                 esac
3889                 ;;
3890         xARM64)
3891                 BTLS_SUPPORTED=yes
3892                 BTLS_PLATFORM=android-v8a
3893                 ;;
3894         xX86)
3895                 BTLS_SUPPORTED=yes
3896                 BTLS_PLATFORM=android-x86
3897                 ;;
3898         xAMD64)
3899                 BTLS_SUPPORTED=yes
3900                 BTLS_PLATFORM=android-x64
3901                 ;;
3902         *)
3903                 BTLS_SUPPORTED=no
3904                 ;;
3905         esac
3906 fi
3907
3908 if test ${ACCESS_UNALIGNED} = no; then
3909         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3910 fi
3911
3912 if test x$host_darwin = xyes; then
3913         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3914         AS_IF(
3915                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3916                 [AC_MSG_RESULT([no])],
3917                 [
3918                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3919                         AR_FLAGS="Scru"
3920                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3921                         AC_MSG_RESULT([yes])
3922                 ]
3923         )
3924 fi
3925
3926 case "x$libgc" in
3927         xincluded)
3928                 # Pass CPPFLAGS to libgc configure
3929                 # We should use a separate variable for this to avoid passing useless and
3930                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3931                 # This should be executed late so we pick up the final version of CPPFLAGS
3932                 # The problem with this approach, is that during a reconfigure, the main
3933                 # configure scripts gets invoked with these arguments, so we use separate
3934                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3935                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3936                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3937                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3938                 fi
3939                 # Don't pass -finstrument-for-thread-suspension in,
3940                 # if these are instrumented it will be very bad news
3941                 # (infinite recursion, undefined parking behavior, etc)
3942                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3943                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3944                 if test "x$support_boehm" = "xyes"; then
3945                         AC_CONFIG_SUBDIRS(libgc)
3946                 fi
3947                 ;;
3948 esac
3949
3950 MALLOC_MEMPOOLS=no
3951 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3952         if test x$with_malloc_mempools = xyes; then
3953                 MALLOC_MEMPOOLS=yes
3954                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3955         fi
3956 ])
3957
3958
3959 DISABLE_MCS_DOCS=default
3960 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3961         if test x$with_mcs_docs != xyes; then
3962                 DISABLE_MCS_DOCS=yes
3963         fi
3964 ])
3965 if test -n "$INSTALL_4_x_TRUE"; then :
3966         DISABLE_MCS_DOCS=yes
3967 fi
3968 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3969    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3970 fi
3971
3972 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3973         if test x$with_lazy_gc_thread_creation != xno ; then
3974                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3975         fi
3976 ], [with_lazy_gc_thread_creation=no])
3977
3978 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])
3979
3980 if test x$with_cooperative_gc = xdefault; then
3981         with_cooperative_gc=$with_cooperative_gc_default
3982 fi
3983
3984 if test x$with_cooperative_gc != xno; then
3985         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3986 fi
3987
3988 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3989
3990 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],[
3991
3992         if test x$enable_checked_build != x ; then
3993                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3994         fi
3995         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3996                 eval "mono_checked_build_test_enable_$feature='yes'"
3997         done
3998
3999         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
4000                 eval "mono_checked_build_test_enable_gc='yes'"
4001                 eval "mono_checked_build_test_enable_metadata='yes'"
4002                 eval "mono_checked_build_test_enable_thread='yes'"
4003         fi
4004
4005         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4006                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4007         fi
4008
4009         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4010                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4011         fi
4012
4013         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4014                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4015         fi
4016
4017 ], [])
4018
4019 AC_CHECK_HEADER([malloc.h],
4020                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4021                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4022
4023 if test x"$GCC" = xyes; then
4024         # Implicit function declarations are not 64 bit safe
4025         # Do this late, since this causes lots of configure tests to fail
4026         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4027         # jay has a lot of implicit declarations
4028         JAY_CFLAGS="-Wno-implicit-function-declaration"
4029 fi
4030
4031 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4032 # instead of libmono-static.a
4033 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4034    LIBMONO_LA=libmini-static.la
4035 else
4036    if test x$buildsgen = xyes; then
4037       LIBMONO_LA=libmonosgen-$API_VER.la
4038    else
4039       LIBMONO_LA=libmonoboehm-$API_VER.la
4040    fi
4041 fi
4042 AC_SUBST(LIBMONO_LA)
4043
4044 dnl **************
4045 dnl ***  Btls  ***
4046 dnl **************
4047
4048 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4049 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4050
4051 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4052
4053 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4054
4055 btls_android=no
4056 if test "x$enable_btls" = "xyes"; then
4057         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4058         if test "x$CMAKE" = "xno"; then
4059                 AC_MSG_ERROR("cmake not found")
4060         fi
4061
4062         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4063         AC_SUBST(BTLS_ROOT)
4064
4065         btls_arch=
4066         btls_cflags=
4067         BTLS_CMAKE_ARGS=
4068
4069         case "$BTLS_PLATFORM" in
4070         i386)
4071                 btls_arch=i386
4072                 btls_cflags="-m32"
4073                 case $host_os in
4074                         darwin*)
4075                                 btls_cflags="$btls_cflags -arch i386"
4076                 esac
4077                 ;;
4078         x86_64)
4079                 btls_arch=x86_64
4080                 ;;
4081         android-armv5)
4082                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4083                 ;;
4084         android-armv6)
4085                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4086                 ;;
4087         android-armv7)
4088                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4089                 ;;
4090         android-v8a)
4091                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4092                 ;;
4093         android-x86)
4094                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4095                 ;;
4096         android-x64)
4097                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4098                 ;;
4099         *)
4100                 AC_MSG_ERROR(Invalid BTLS platform)
4101         esac
4102
4103         if test "x$platform_android" = "xyes"; then
4104                 btls_android=yes
4105                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4106                 if test "x$with_btls_android_ndk" != "x"; then
4107                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4108                 fi
4109         fi
4110
4111         if test "x$btls_arch" != "x"; then
4112                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4113         fi
4114
4115         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4116         AC_SUBST(BTLS_ARCH)
4117         AC_SUBST(BTLS_CFLAGS)
4118         AC_SUBST(BTLS_PLATFORM)
4119         AC_SUBST(BTLS_CMAKE_ARGS)
4120
4121         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4122 else
4123         enable_btls=no
4124 fi
4125
4126 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4127
4128 if test x$DISABLE_MCS_DOCS = xyes; then
4129    docs_dir=""
4130 else
4131    docs_dir=docs
4132 fi
4133 AC_SUBST(docs_dir)
4134
4135 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4136 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4137
4138 libmono_ldflags="$libmono_ldflags $LIBS"
4139
4140 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4141 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4142 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4143 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4144 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4145 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4146 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4147 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4148 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4149 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4150 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4151 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4152 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4153 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4154 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4155 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4156 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4157 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4158
4159 AC_SUBST(LIBC)
4160 AC_SUBST(INTL)
4161 AC_SUBST(SQLITE)
4162 AC_SUBST(SQLITE3)
4163 AC_SUBST(X11)
4164 AC_SUBST(GDKX11)
4165 AC_SUBST(GTKX11)
4166 AC_SUBST(XINERAMA)
4167 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4168 AC_SUBST(arch_target)
4169 AC_SUBST(CFLAGS)
4170 AC_SUBST(CPPFLAGS)
4171 AC_SUBST(LDFLAGS)
4172
4173 #This must always be defined when building the runtime
4174 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4175
4176 mono_build_root=`pwd`
4177 AC_SUBST(mono_build_root)
4178
4179 mono_runtime=mono/mini/mono
4180 AC_SUBST(mono_runtime)
4181
4182 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4183
4184 if test $csc_compiler = mcs; then
4185   CSC=$mcs_topdir/class/lib/build/mcs.exe
4186 else
4187   CSC=$CSC_LOCATION
4188 fi
4189
4190 mono_cfg_root=$mono_build_root/runtime
4191 if test x$host_win32 = xyes; then
4192   if test "x$cross_compiling" = "xno"; then
4193     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4194     CSC=`cygpath -m -a $CSC`
4195     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4196   else
4197     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4198   fi
4199 else
4200   mono_cfg_dir=$mono_cfg_root/etc
4201 fi
4202 AC_SUBST(mono_cfg_dir)
4203
4204 AC_SUBST(CSC)
4205
4206 AC_CONFIG_FILES([po/mcs/Makefile.in])
4207
4208 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4209 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4210
4211 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4212 [   depth=../../../..
4213     case $srcdir in
4214     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4215     .) reldir=$depth ;;
4216     *) reldir=$depth/$srcdir ;;
4217     esac
4218     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4219     cd runtime/etc/mono/1.0
4220     rm -f machine.config
4221     $LN_S $reldir/data/net_1_1/machine.config machine.config
4222     cd $depth
4223 ],[LN_S='$LN_S'])
4224
4225 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4226 [   depth=../../../..
4227     case $srcdir in
4228     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4229     .) reldir=$depth ;;
4230     *) reldir=$depth/$srcdir ;;
4231     esac
4232     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4233     cd runtime/etc/mono/2.0
4234     rm -f machine.config
4235     $LN_S $reldir/data/net_2_0/machine.config machine.config
4236     cd $depth
4237 ],[LN_S='$LN_S'])
4238
4239 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4240 [   depth=../../../..
4241     case $srcdir in
4242     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4243     .) reldir=$depth ;;
4244     *) reldir=$depth/$srcdir ;;
4245     esac
4246     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4247     cd runtime/etc/mono/2.0
4248     rm -f web.config
4249     $LN_S $reldir/data/net_2_0/web.config web.config
4250     cd $depth
4251 ],[LN_S='$LN_S'])
4252
4253 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4254 [   depth=../../..
4255     case $srcdir in
4256     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4257     .) reldir=$depth ;;
4258     *) reldir=$depth/$srcdir ;;
4259     esac
4260     $ac_aux_dir/install-sh -d runtime/etc/mono/
4261     cd runtime/etc/mono/
4262     rm -f browscap.ini
4263     $LN_S $reldir/data/browscap.ini browscap.ini
4264     cd $depth
4265 ],[LN_S='$LN_S'])
4266
4267 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4268 [   depth=../../../../..
4269     case $srcdir in
4270     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4271     .) reldir=$depth ;;
4272     *) reldir=$depth/$srcdir ;;
4273     esac
4274     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4275     cd runtime/etc/mono/2.0/Browsers
4276     rm -f Compat.browser
4277     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4278     cd $depth
4279 ],[LN_S='$LN_S'])
4280
4281 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4282 [   depth=../../../../..
4283     case $srcdir in
4284     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4285     .) reldir=$depth ;;
4286     *) reldir=$depth/$srcdir ;;
4287     esac
4288     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4289     cd runtime/etc/mono/4.0/Browsers
4290     rm -f Compat.browser
4291     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4292     cd $depth
4293 ],[LN_S='$LN_S'])
4294
4295 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4296 [   depth=../../../../..
4297     case $srcdir in
4298     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4299     .) reldir=$depth ;;
4300     *) reldir=$depth/$srcdir ;;
4301     esac
4302     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4303     cd runtime/etc/mono/4.5/Browsers
4304     rm -f Compat.browser
4305     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4306     cd $depth
4307 ],[LN_S='$LN_S'])
4308
4309 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4310 [   depth=../../../..
4311     case $srcdir in
4312     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4313     .) reldir=$depth ;;
4314     *) reldir=$depth/$srcdir ;;
4315     esac
4316     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4317     cd runtime/etc/mono/4.0
4318     rm -f machine.config
4319     $LN_S $reldir/data/net_4_0/machine.config machine.config
4320     cd $depth
4321 ],[LN_S='$LN_S'])
4322
4323 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4324 [   depth=../../../..
4325     case $srcdir in
4326     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4327     .) reldir=$depth ;;
4328     *) reldir=$depth/$srcdir ;;
4329     esac
4330     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4331     cd runtime/etc/mono/4.0
4332     rm -f web.config
4333     $LN_S $reldir/data/net_4_0/web.config web.config
4334     cd $depth
4335 ],[LN_S='$LN_S'])
4336
4337 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4338 [   depth=../../../..
4339     case $srcdir in
4340     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4341     .) reldir=$depth ;;
4342     *) reldir=$depth/$srcdir ;;
4343     esac
4344     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4345     cd runtime/etc/mono/4.5
4346     rm -f machine.config
4347     $LN_S $reldir/data/net_4_5/machine.config machine.config
4348     cd $depth
4349 ],[LN_S='$LN_S'])
4350
4351 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4352 [   depth=../../../..
4353     case $srcdir in
4354     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4355     .) reldir=$depth ;;
4356     *) reldir=$depth/$srcdir ;;
4357     esac
4358     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4359     cd runtime/etc/mono/4.5
4360     rm -f web.config
4361     $LN_S $reldir/data/net_4_5/web.config web.config
4362     cd $depth
4363 ],[LN_S='$LN_S'])
4364
4365 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])
4366 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])
4367
4368 AC_OUTPUT([
4369 Makefile
4370 mono-uninstalled.pc
4371 acceptance-tests/Makefile
4372 llvm/Makefile
4373 scripts/mono-find-provides
4374 scripts/mono-find-requires
4375 mono/Makefile
4376 mono/btls/Makefile
4377 mono/utils/Makefile
4378 mono/metadata/Makefile
4379 mono/dis/Makefile
4380 mono/cil/Makefile
4381 mono/arch/Makefile
4382 mono/arch/x86/Makefile
4383 mono/arch/amd64/Makefile
4384 mono/arch/ppc/Makefile
4385 mono/arch/sparc/Makefile
4386 mono/arch/s390x/Makefile
4387 mono/arch/arm/Makefile
4388 mono/arch/arm64/Makefile
4389 mono/arch/ia64/Makefile
4390 mono/arch/mips/Makefile
4391 mono/sgen/Makefile
4392 mono/tests/Makefile
4393 mono/tests/tests-config
4394 mono/tests/assemblyresolve/Makefile
4395 mono/tests/gc-descriptors/Makefile
4396 mono/unit-tests/Makefile
4397 mono/benchmark/Makefile
4398 mono/mini/Makefile
4399 mono/profiler/Makefile
4400 m4/Makefile
4401 ikvm-native/Makefile
4402 scripts/Makefile
4403 man/Makefile
4404 docs/Makefile
4405 data/Makefile
4406 data/net_2_0/Makefile
4407 data/net_4_0/Makefile
4408 data/net_4_5/Makefile
4409 data/net_2_0/Browsers/Makefile
4410 data/net_4_0/Browsers/Makefile
4411 data/net_4_5/Browsers/Makefile
4412 data/mint.pc
4413 data/mono-2.pc
4414 data/monosgen-2.pc
4415 data/mono.pc
4416 data/mono-cairo.pc
4417 data/mono-nunit.pc
4418 data/mono-options.pc
4419 data/mono-lineeditor.pc
4420 data/monodoc.pc
4421 data/dotnet.pc
4422 data/dotnet35.pc
4423 data/wcf.pc
4424 data/cecil.pc
4425 data/system.web.extensions_1.0.pc
4426 data/system.web.extensions.design_1.0.pc
4427 data/system.web.mvc.pc
4428 data/system.web.mvc2.pc
4429 data/system.web.mvc3.pc
4430 data/aspnetwebstack.pc
4431 data/reactive.pc
4432 samples/Makefile
4433 support/Makefile
4434 data/config
4435 tools/Makefile
4436 tools/locale-builder/Makefile
4437 tools/sgen/Makefile
4438 tools/monograph/Makefile
4439 tools/pedump/Makefile
4440 runtime/Makefile
4441 msvc/Makefile
4442 po/Makefile
4443 ])
4444
4445 # Update all submodules recursively to ensure everything is checked out
4446 $srcdir/scripts/update_submodules
4447
4448 if test x$host_win32 = xyes; then
4449    # Get rid of 'cyg' prefixes in library names
4450    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4451    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4452    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4453    # executable doesn't work...
4454    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4455 fi
4456
4457 if test x$host_darwin = xyes; then
4458    # This doesn't seem to be required and it slows down parallel builds
4459    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4460 fi
4461
4462 (
4463   case $prefix in
4464   NONE) prefix=$ac_default_prefix ;;
4465   esac
4466   case $exec_prefix in
4467   NONE) exec_prefix='${prefix}' ;;
4468   esac
4469
4470   #
4471   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4472   # any existing config.make.  This allows people to share the same source tree
4473   # with different build directories, one native and one cross
4474   #
4475   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4476
4477     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4478
4479     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4480     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4481     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4482     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4483     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4484     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4485     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4486     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4487     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4488
4489     case $INSTALL in
4490     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4491     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4492     esac
4493
4494     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4495
4496     export VERSION
4497     [myver=$($AWK 'BEGIN {
4498       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4499       if(length(vsplit [1]) > 4) {
4500         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4501       }
4502       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4503     }')]
4504
4505     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4506
4507     if test x$host_darwin = xyes; then
4508       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4509     fi
4510
4511     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4512       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4513     fi
4514
4515         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4516            enable_system_aot=yes
4517         fi
4518
4519     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4520       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4521     fi
4522
4523     if test x$DISABLE_MCS_DOCS = xyes; then
4524       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4525     fi
4526
4527     if test x$has_extension_module != xno; then
4528         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4529     fi
4530
4531     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4532
4533     if test "x$test_bcl_opt" = "xyes"; then
4534       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4535     fi
4536
4537     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4538
4539     if test $csc_compiler = mcs; then
4540       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4541     fi
4542
4543     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4544       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4545       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4546     fi
4547
4548     if test "x$enable_btls" = "xyes"; then
4549       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4550       if test "x$enable_dynamic_btls" = "xyes"; then
4551         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4552       fi
4553     fi
4554
4555   fi
4556
4557 )
4558
4559 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4560
4561 btls_platform_string=
4562 if test x$enable_btls = xyes; then
4563         if test x$btls_android = xyes; then
4564                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4565         else
4566                 btls_platform_string=" ($BTLS_PLATFORM)"
4567         fi
4568 fi
4569
4570 echo "
4571         mcs source:    $mcsdir
4572         C# Compiler:   $csc_compiler
4573
4574    Engine:
4575         Host:          $host
4576         Target:        $target
4577         GC:            $gc_msg
4578         TLS:           $with_tls
4579         SIGALTSTACK:   $with_sigaltstack
4580         Engine:        $jit_status
4581         BigArrays:     $enable_big_arrays
4582         DTrace:        $enable_dtrace
4583         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4584         Interpreter:   $buildinterpreter
4585
4586    Libraries:
4587         .NET 4.x:        $with_profile4_x
4588         Xamarin.Android: $with_monodroid
4589         Xamarin.iOS:     $with_monotouch
4590         Xamarin.WatchOS: $with_monotouch_watch
4591         Xamarin.TVOS:    $with_monotouch_tv
4592         Xamarin.Mac:     $with_xammac
4593         Windows AOT:     $with_winaot
4594         Orbis:           $with_orbis
4595         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4596         JNI support:     $jdk_headers_found
4597         libgdiplus:      $libgdiplus_msg
4598         zlib:            $zlib_msg
4599         BTLS:            $enable_btls$btls_platform_string
4600         $disabled
4601 "
4602 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4603    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4604 fi