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