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="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298
 299                 # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
 300                 AR_FLAGS="Scru"
 301                 RANLIB="ranlib -no_warning_for_no_symbols"
 302
 303                 need_link_unlink=yes
 304                 AC_DEFINE(PTHREAD_POINTER_ID)
 305                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 306                 libdl=
 307                 libgc_threads=pthreads
 308                 has_dtrace=yes
 309                 if test "x$cross_compiling" = "xyes"; then
 310                         has_broken_apple_cpp=yes
 311                 fi
 312                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 313                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 314                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 315                 case "$host" in
 316                         dnl Snow Leopard and newer config.guess reports as this
 317                         i*86-*-darwin*)
 318                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 319                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 320                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 321                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 322                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 323                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 324                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 325                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 326                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 327                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 328                                 with_sgen_default_concurrent=yes
 329                                 ;;
 330                         x*64-*-darwin*)
 331                                 with_sgen_default_concurrent=yes
 332                                 ;;
 333                         arm*-darwin*)
 334                                 has_dtrace=no
 335                                 ;;
 336                 esac
 337                 ;;
 338         *-*-haiku*)
 339                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 340                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 341                 libdl=
 342                 LIBS="$LIBS -lnetwork"
 343                 need_link_unlink=yes
 344                 AC_DEFINE(PTHREAD_POINTER_ID)
 345                 libgc_threads=pthreads
 346                 use_sigposix=yes
 347                 ;;
 348         *)
 349                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 350                 libdl="-ldl"
 351                 ;;
 352 esac
 353 AC_MSG_RESULT(ok)
 354
 355 if test x$need_link_unlink = xyes; then
 356    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 357 fi
 358
 359 if test x$host_win32 = xyes; then
 360    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 361 fi
 362
 363 if test x$target_win32 = xyes; then
 364    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 365 fi
 366
 367 # Defined for all targets/platforms using classic Windows API support.
 368 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 369 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 370
 371 AC_SUBST(extra_runtime_ldflags)
 372 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 373 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 374 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 375 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 376 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 377 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 378
 379 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 380 PLATFORM_AOT_SUFFIX=.dylib
 381 fi
 382
 383 if test -z "$PLATFORM_LINUX_TRUE"; then :
 384 PLATFORM_AOT_SUFFIX=.so
 385 fi
 386
 387 AC_SUBST(PLATFORM_AOT_SUFFIX)
 388
 389 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 390
 391 AC_CHECK_TOOL(CC, gcc, gcc)
 392 AC_PROG_CC
 393 AC_CHECK_TOOL(CXX, g++, g++)
 394 AC_PROG_CXX
 395 AM_PROG_AS
 396 AC_PROG_INSTALL
 397 AC_PROG_AWK
 398 AM_PROG_CC_C_O
 399 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 400 : ${CCAS='$(CC)'}
 401 # Set ASFLAGS if not already set.
 402 : ${CCASFLAGS='$(CFLAGS)'}
 403 AC_SUBST(CCAS)
 404 AC_SUBST(CCASFLAGS)
 405
 406 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 407 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 408 if test "x$CXX" = "xg++"; then
 409         if test "x$GXX" != "xyes"; then
 410                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 411                 # are inside automake conditionals
 412                 AC_MSG_ERROR([You need to install g++])
 413         fi
 414 fi
 415
 416 dnl may require a specific autoconf version
 417 dnl AC_PROG_CC_FOR_BUILD
 418 dnl CC_FOR_BUILD not automatically detected
 419 CC_FOR_BUILD=$CC
 420 CFLAGS_FOR_BUILD=$CFLAGS
 421 BUILD_EXEEXT=
 422 if test "x$cross_compiling" = "xyes"; then
 423         CC_FOR_BUILD=cc
 424         CFLAGS_FOR_BUILD=
 425         BUILD_EXEEXT=""
 426 fi
 427 AC_SUBST(CC_FOR_BUILD)
 428 AC_SUBST(CFLAGS_FOR_BUILD)
 429 AC_SUBST(HOST_CC)
 430 AC_SUBST(BUILD_EXEEXT)
 431
 432 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 433 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 434
 435 # Set STDC_HEADERS
 436 AC_HEADER_STDC
 437 AC_LIBTOOL_WIN32_DLL
 438 # This causes monodis to not link correctly
 439 #AC_DISABLE_FAST_INSTALL
 440
 441 #lookup makedev() header
 442 AC_HEADER_MAJOR
 443
 444 AM_PROG_LIBTOOL
 445 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 446 DOLT
 447
 448 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 449 AC_SUBST(export_ldflags)
 450
 451 # Test whenever ld supports -version-script
 452 AC_PROG_LD
 453 AC_PROG_LD_GNU
 454
 455 AM_ICONV()
 456
 457 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)
 458 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)
 459 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 460                   [], [], [#include <stddef.h>
 461                   #include <sys/socket.h>
 462                   #include <linux/socket.h>])
 463
 464 AC_CHECK_HEADERS(sys/user.h, [], [],
 465 [
 466 #ifdef HAVE_SYS_PARAM_H
 467 # include <sys/param.h>
 468 #endif
 469 ])
 470
 471 AC_CHECK_HEADERS(linux/serial.h)
 472
 473 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 474 if test x$have_zlib = xyes; then
 475    AC_TRY_COMPILE([#include <zlib.h>], [
 476    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 477    return 0;
 478    #else
 479    #error No good zlib found
 480    #endif
 481    ],[
 482         AC_MSG_RESULT(Using system zlib)
 483         zlib_msg="system zlib"
 484         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 485    ],[
 486         AC_MSG_RESULT(Using embedded zlib)
 487         have_zlib=no
 488         zlib_msg="bundled zlib"
 489    ])
 490 fi
 491
 492 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 493 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 494
 495 # for mono/metadata/debug-symfile.c
 496 AC_CHECK_HEADERS(elf.h)
 497
 498 # for support
 499 AC_CHECK_HEADERS(poll.h)
 500 AC_CHECK_HEADERS(sys/poll.h)
 501 AC_CHECK_HEADERS(sys/wait.h)
 502 AC_CHECK_HEADERS(grp.h)
 503 AC_CHECK_HEADERS(syslog.h)
 504
 505 # for mono/dis
 506 AC_CHECK_HEADERS(wchar.h)
 507 AC_CHECK_HEADERS(ieeefp.h)
 508 AC_MSG_CHECKING(for isinf)
 509 AC_TRY_LINK([#include <math.h>], [
 510         int f = isinf (1.0);
 511 ], [
 512         AC_MSG_RESULT(yes)
 513         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 514 ], [
 515         # We'll have to use signals
 516         AC_MSG_RESULT(no)
 517 ])
 518 # mingw
 519 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 520         AC_TRY_LINK([#include <math.h>],
 521         [ _finite(0.0); ],
 522         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 523         AC_MSG_RESULT(no)))
 524
 525 # for Linux statfs support
 526 AC_CHECK_HEADERS(linux/magic.h)
 527
 528 # not 64 bit clean in cross-compile
 529 AC_CHECK_SIZEOF(void *, 4)
 530
 531 AC_CACHE_CHECK([for clang],
 532         mono_cv_clang,[
 533         AC_TRY_COMPILE([], [
 534                 #ifdef __clang__
 535                 #else
 536                 #error "FAILED"
 537                 #endif
 538                 return 0;
 539         ],
 540         [mono_cv_clang=yes],
 541         [mono_cv_clang=no],
 542         [])
 543 ])
 544
 545 AC_ARG_ENABLE(visibility-hidden,
 546 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 547    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 548
 549 WARN=''
 550 if test x"$GCC" = xyes; then
 551         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 552
 553                 # We require C99 with some GNU extensions, e.g. `linux` macro
 554                 CFLAGS="$CFLAGS -std=gnu99"
 555
 556                 # The runtime code does not respect ANSI C strict aliasing rules
 557                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 558
 559                 # We rely on signed overflow to behave
 560                 CFLAGS="$CFLAGS -fwrapv"
 561
 562                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 563                 if test x"$disable_visibility_hidden" = xno; then
 564                    # Don't export any symbols by default
 565                    SHARED_CFLAGS="-fvisibility=hidden"
 566                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 567                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 568                 fi
 569
 570                 ORIG_CFLAGS=$CFLAGS
 571                 # Check for the normal version, since gcc ignores unknown -Wno options
 572                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 573                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 574                 AC_TRY_COMPILE([],[
 575                                 return 0;
 576                 ], [
 577                    AC_MSG_RESULT(yes)
 578                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 579                 ], [
 580                    AC_MSG_RESULT(no)
 581                    CFLAGS=$ORIG_CFLAGS
 582                 ])
 583
 584                 if test "x$mono_cv_clang" = "xyes"; then
 585                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 586                    WARN="$WARN -Qunused-arguments"
 587                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 588                    # We rely on zero length arrays in structs
 589                    WARN="$WARN -Wno-zero-length-array"
 590                 fi
 591 else
 592         # The Sun Forte compiler complains about inline functions that access static variables
 593         # so disable all inlining.
 594         case "$host" in
 595         *-*-solaris*)
 596                 CFLAGS="$CFLAGS -Dinline="
 597                 ;;
 598         esac
 599 fi
 600 CFLAGS="$CFLAGS -g $WARN"
 601 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 602 CPPFLAGS="$CPPFLAGS -g $WARN"
 603
 604 # Where's the 'mcs' source tree?
 605 if test -d $srcdir/mcs; then
 606   mcsdir=mcs
 607 else
 608   mcsdir=../mcs
 609 fi
 610
 611 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 612         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 613                 mcsdir=$with_mcs_path
 614         fi
 615 )
 616
 617 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 618
 619 #
 620 # A sanity check to catch cases where the package was unpacked
 621 # with an ancient tar program (Solaris)
 622 #
 623 AC_ARG_ENABLE(solaris-tar-check,
 624 [  --disable-solaris-tar-check    disable solaris tar check],
 625    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 626
 627 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 628         AC_MSG_CHECKING(integrity of package)
 629         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 630         then
 631                 AC_MSG_RESULT(ok)
 632         else
 633                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 634                 AC_MSG_ERROR([$errorm])
 635         fi
 636 fi
 637
 638 if test "x$with_mcs_path" != "x"; then
 639 mcs_topdir=$(cd "$mcsdir" && pwd)
 640 mcs_topdir_from_srcdir=$mcs_topdir
 641 else
 642 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 643 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 644 fi
 645
 646 # Convert mcs_topdir* paths to Windows syntax.
 647 if test x$cross_compiling$host_win32 = xnoyes; then
 648   mcs_topdir=$(cygpath -m $mcs_topdir)
 649   case $mcs_topdir_from_srcdir in
 650     /cygdrive/*)
 651         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 652         ;;
 653   esac
 654 fi
 655
 656 AC_SUBST([mcs_topdir])
 657 AC_SUBST([mcs_topdir_from_srcdir])
 658
 659 # gettext: prepare the translation directories.
 660 # we do not configure the full gettext, as we consume it dynamically from C#
 661 AM_PO_SUBDIRS
 662
 663 if test "x$USE_NLS" = "xyes"; then
 664    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 665
 666    if test "x$HAVE_MSGFMT" = "xno"; then
 667           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 668    fi
 669 fi
 670
 671 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 672
 673 pkg_config_path=
 674 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 675         if test x$with_crosspkgdir = "x"; then
 676                 if test -s $PKG_CONFIG_PATH; then
 677                         pkg_config_path=$PKG_CONFIG_PATH
 678                 fi
 679         else
 680                 pkg_config_path=$with_crosspkgdir
 681                 PKG_CONFIG_PATH=$pkg_config_path
 682                 export PKG_CONFIG_PATH
 683         fi
 684 )
 685
 686 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 687 if test x$werror_flag = xyes; then
 688         WERROR_CFLAGS="-Werror"
 689 fi
 690 AC_SUBST([WERROR_CFLAGS])
 691 AC_SUBST([SHARED_CFLAGS])
 692
 693 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 694 AC_CONFIG_SUBDIRS(eglib)
 695
 696 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 697 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 698
 699 AC_SUBST(GLIB_CFLAGS)
 700 AC_SUBST(GLIB_LIBS)
 701
 702 # Enable support for fast thread-local storage
 703 # Some systems have broken support, so we allow to disable it.
 704 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 705
 706 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 707 # This does not work on some platforms (bug #55253)
 708 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 709
 710 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 711 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 712 # Same as --with-shared_mono=no
 713 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 714
 715 if test "x$enable_static" = "xno"; then
 716    with_static_mono=no
 717 fi
 718
 719 if test "x$enable_shared" = "xno"; then
 720    with_shared_mono=no
 721 fi
 722
 723 if test "x$enable_libraries" = "xno"; then
 724    with_shared_mono=no
 725 fi
 726
 727 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 728
 729 case $host in
 730 *nacl* ) with_shared_mono=yes;;
 731 esac
 732
 733 if test "x$host_win32" = "xyes"; then
 734    # Boehm GC requires the runtime to be in its own dll
 735    with_static_mono=no
 736 fi
 737
 738 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 739 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 740 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 741
 742 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 743 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 744         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 745         ORIG_CFLAGS=$CFLAGS
 746         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 747         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 748         AC_TRY_COMPILE([], [
 749                 return 0;
 750         ], [
 751            AC_MSG_RESULT(yes)
 752            # Pass it to libgc as well
 753            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 754         ], [
 755            AC_MSG_RESULT(no)
 756            CFLAGS=$ORIG_CFLAGS
 757         ])
 758 fi
 759
 760 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 761
 762 if test x$enable_small_config = xyes; then
 763         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 764         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 765 fi
 766
 767 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=$enableval, enable_system_aot=default)
 768
 769 DISABLED_FEATURES=none
 770 csc_compiler=default
 771 endian=unknown
 772 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 773 AC_MSG_CHECKING([CSharp compiler to use])
 774 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 775    if test x$withval = xmcs; then
 776        csc_compiler=mcs
 777    elif test x$withval = xroslyn; then
 778        csc_compiler=roslyn
 779    elif test x$withval = xdefault; then
 780        :
 781    else
 782        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 783    fi
 784 ],[csc_compiler=default])
 785
 786 if test $csc_compiler = default; then
 787    if test $endian = big; then
 788       csc_compiler=mcs
 789    elif test $endian = little; then
 790       csc_compiler=roslyn
 791    else
 792       csc_compiler=mcs
 793    fi
 794 fi
 795 AC_MSG_RESULT($csc_compiler)
 796
 797 #
 798 # Set the build profiles and options before things which use them
 799 #
 800
 801 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])
 802 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 803 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 804 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])
 805 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])
 806 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 807 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 808 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])
 809 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])
 810 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 811
 812 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])
 813
 814 dnl
 815 dnl Profile defaults
 816 dnl
 817 TEST_PROFILE=default
 818 enable_llvm_default=no
 819
 820 with_profile4_x_default=no
 821 with_monodroid_default=no
 822 with_monotouch_default=no
 823 with_monotouch_watch_default=no
 824 with_monotouch_tv_default=no
 825 with_xammac_default=no
 826 with_testing_aot_hybrid_default=no
 827 with_testing_aot_full_default=no
 828 with_winaot_default=no
 829
 830 with_bitcode_default=no
 831 with_cooperative_gc_default=no
 832
 833 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 834
 835 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 836    DISABLE_MCS_DOCS_default=yes
 837 elif test x$with_runtime_preset = xnet_4_x; then
 838    with_profile4_x_default=yes
 839 elif test x$with_runtime_preset = xall; then
 840    with_profile4_x_default=yes
 841    with_monodroid_default=yes
 842    with_monotouch_default=yes
 843    with_monotouch_watch_default=yes
 844    with_monotouch_tv_default=yes
 845    with_xammac_default=yes
 846    with_winaot_default=yes
 847 elif test x$with_runtime_preset = xfullaot; then
 848    DISABLE_MCS_DOCS_default=yes
 849    with_testing_aot_full_default=yes
 850    TEST_PROFILE=testing_aot_full
 851
 852    mono_feature_disable_com='yes'
 853    mono_feature_disable_remoting='yes'
 854    mono_feature_disable_reflection_emit_save='yes'
 855    mono_feature_disable_reflection_emit='yes'
 856    mono_feature_disable_appdomains='yes'
 857
 858    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 859    AOT_RUN_FLAGS="--full-aot"
 860 elif test x$with_runtime_preset = xbitcode; then
 861    DISABLE_MCS_DOCS_default=yes
 862    with_testing_aot_full_default=yes
 863    with_bitcode_default=yes
 864    with_cooperative_gc_default=yes
 865    TEST_PROFILE=testing_aot_full
 866    enable_llvm_default=yes
 867
 868    mono_feature_disable_com='yes'
 869    mono_feature_disable_remoting='yes'
 870    mono_feature_disable_reflection_emit_save='yes'
 871    mono_feature_disable_reflection_emit='yes'
 872    mono_feature_disable_appdomains='yes'
 873
 874    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 875    AOT_RUN_FLAGS="--llvmonly"
 876 elif test x$with_runtime_preset = xhybridaot; then
 877    DISABLE_MCS_DOCS_default=yes
 878    with_testing_aot_hybrid_default=yes
 879    TEST_PROFILE=testing_aot_hybrid
 880
 881    mono_feature_disable_com='yes'
 882    mono_feature_disable_remoting='yes'
 883    mono_feature_disable_appdomains='yes'
 884
 885    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 886    AOT_RUN_FLAGS="--hybrid-aot"
 887 elif test x$with_runtime_preset = xaot; then
 888    with_profile4_x_default=yes
 889
 890    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 891    AOT_RUN_FLAGS=""
 892
 893    DISABLE_MCS_DOCS_default=yes
 894 else
 895    with_profile4_x_default=yes
 896 fi
 897
 898 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 899    AC_SUBST(AOT_BUILD_FLAGS)
 900    AC_SUBST(AOT_RUN_FLAGS)
 901    # For llvmonlycheck + fullaotcheck
 902    AC_SUBST(INVARIANT_AOT_OPTIONS)
 903 fi
 904
 905 AC_SUBST(TEST_PROFILE)
 906
 907 if test "x$with_profile4_x" = "xdefault"; then
 908    with_profile4_x=$with_profile4_x_default
 909 fi
 910 if test "x$with_monodroid" = "xdefault"; then
 911    with_monodroid=$with_monodroid_default
 912 fi
 913 if test "x$with_monotouch" = "xdefault"; then
 914    with_monotouch=$with_monotouch_default
 915 fi
 916 if test "x$with_monotouch_watch" = "xdefault"; then
 917    with_monotouch_watch=$with_monotouch_watch_default
 918 fi
 919 if test "x$with_monotouch_tv" = "xdefault"; then
 920    with_monotouch_tv=$with_monotouch_tv_default
 921 fi
 922 if test "x$with_bitcode" = "xdefault"; then
 923    with_bitcode=$with_bitcode_default
 924 fi
 925 if test "x$with_xammac" = "xdefault"; then
 926    with_xammac=$with_xammac_default
 927 fi
 928 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 929    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 930 fi
 931 if test "x$with_testing_aot_full" = "xdefault"; then
 932    with_testing_aot_full=$with_testing_aot_full_default
 933 fi
 934 if test "x$with_winaot" = "xdefault"; then
 935    with_winaot=$with_winaot_default
 936 fi
 937
 938
 939 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 940 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 941 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 942 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 943 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 944 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 945 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 946 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 947 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 948 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 949
 950 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 951 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 952
 953 default_profile=net_4_x
 954 if test -z "$INSTALL_MONODROID_TRUE"; then :
 955    default_profile=monodroid
 956 fi
 957 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 958    default_profile=monotouch
 959 fi
 960 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 961    default_profile=xammac
 962 fi
 963 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 964    default_profile=testing_aot_hybrid
 965 fi
 966 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 967    default_profile=testing_aot_full
 968 fi
 969 if test -z "$INSTALL_4_x_TRUE"; then :
 970    default_profile=net_4_x
 971 fi
 972 DEFAULT_PROFILE=$default_profile
 973 AC_SUBST(DEFAULT_PROFILE)
 974
 975 #
 976 # End build profile configuration
 977 #
 978
 979 if test x$USE_NLS = xprofile_default; then
 980
 981 if test x$host_darwin = xyes; then
 982 # We make the default value for USE_NLS
 983 # "no" on OSX because it isn't available on most
 984 # default OSX installs. The most common configurations will
 985 # all disable it, so this saves us typing.
 986   USE_NLS=no
 987   AC_SUBST([USE_NLS])
 988   AC_MSG_RESULT([$USE_NLS])
 989 else
 990   USE_NLS=yes
 991   AC_SUBST([USE_NLS])
 992   AC_MSG_RESULT([$USE_NLS])
 993 fi
 994
 995 fi
 996
 997 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 998      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 999      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1000          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1001 [
1002         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1003                 eval "mono_feature_disable_$feature='yes'"
1004         done
1005         DISABLED_FEATURES=$enable_minimal
1006         disabled="Disabled:      $enable_minimal"
1007 ],[])
1008
1009 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1010
1011 if test "x$mono_feature_disable_aot" = "xyes"; then
1012         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1013         enable_system_aot=no
1014         AC_MSG_NOTICE([Disabled AOT compiler])
1015 fi
1016
1017 if test "x$mono_feature_disable_profiler" = "xyes"; then
1018         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1019         AC_MSG_NOTICE([Disabled support for the profiler])
1020 fi
1021 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1022
1023 if test "x$mono_feature_disable_decimal" = "xyes"; then
1024         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1025         AC_MSG_NOTICE([Disabled support for decimal])
1026 fi
1027
1028 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1029         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1030         AC_MSG_NOTICE([Disabled support for P/Invoke])
1031 fi
1032
1033 if test "x$mono_feature_disable_debug" = "xyes"; then
1034         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1035         AC_MSG_NOTICE([Disabled support for runtime debugging])
1036 fi
1037
1038 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1039         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1040         mono_feature_disable_reflection_emit_save=yes
1041         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1042 fi
1043
1044 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1045         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1046         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1047 fi
1048
1049 if test "x$mono_feature_disable_large_code" = "xyes"; then
1050         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1051         AC_MSG_NOTICE([Disabled support for large assemblies])
1052 fi
1053
1054 if test "x$mono_feature_disable_logging" = "xyes"; then
1055         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1056         AC_MSG_NOTICE([Disabled support for logging])
1057 fi
1058
1059 if test "x$mono_feature_disable_com" = "xyes"; then
1060         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1061         AC_MSG_NOTICE([Disabled COM support])
1062 fi
1063
1064 if test "x$mono_feature_disable_ssa" = "xyes"; then
1065         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1066         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1067 fi
1068
1069 if test "x$mono_feature_disable_generics" = "xyes"; then
1070         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1071         AC_MSG_NOTICE([Disabled Generics Support])
1072 fi
1073
1074 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1075         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1076         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1077 fi
1078
1079 if test "x$mono_feature_disable_portability" = "xyes"; then
1080         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1081         AC_MSG_NOTICE([Disabled IO Portability layer])
1082 fi
1083
1084 if test "x$mono_feature_disable_attach" = "xyes"; then
1085         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1086         AC_MSG_NOTICE([Disabled agent attach])
1087 fi
1088
1089 if test "x$mono_feature_disable_verifier" = "xyes"; then
1090         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1091         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1092 fi
1093
1094 if test "x$mono_feature_disable_jit" = "xyes"; then
1095         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1096         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1097 fi
1098
1099 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1100
1101 if test "x$mono_feature_disable_simd" = "xyes"; then
1102         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1103         AC_MSG_NOTICE([Disabled SIMD support])
1104 fi
1105
1106 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1107         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1108         AC_MSG_NOTICE([Disabled Soft Debugger.])
1109 fi
1110
1111 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1112         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1113         AC_MSG_NOTICE([Disabled Performance Counters.])
1114 fi
1115 if test "x$mono_feature_disable_normalization" = "xyes"; then
1116         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1117         AC_MSG_NOTICE([Disabled String normalization support.])
1118 fi
1119
1120 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1121         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1122         AC_MSG_NOTICE([Disabled Assembly remapping.])
1123 fi
1124
1125 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1126         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1127         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1128 fi
1129
1130 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1131         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1132         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1133 fi
1134
1135 if test "x$mono_feature_disable_remoting" = "xyes"; then
1136         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1137         AC_MSG_NOTICE([Disabled remoting])
1138 fi
1139
1140 if test "x$mono_feature_disable_security" = "xyes"; then
1141         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1142         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1143 fi
1144
1145 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1146         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1147         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1148 fi
1149
1150 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1151         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1152         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1153 fi
1154
1155 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1156         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1157         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1158 fi
1159
1160 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1161         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1162         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1163 fi
1164
1165 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1166         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1167         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1168 fi
1169
1170 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1171 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1172
1173 has_extension_module=no
1174 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1175 [
1176         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1177                 if test x$extension = xdefault ; then
1178                         has_extension_module=yes;
1179                 fi
1180         done
1181         if test x$enable_extension_module = xyes; then
1182                 has_extension_module=yes;
1183         fi
1184 ], [])
1185
1186 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1187
1188 if test x$has_extension_module != xno ; then
1189         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1190         AC_MSG_NOTICE([Enabling mono extension module.])
1191 fi
1192
1193 # Deprecated
1194 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1195
1196 AC_MSG_CHECKING(for visibility __attribute__)
1197 AC_COMPILE_IFELSE([
1198         AC_LANG_SOURCE([[
1199                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1200                 int main () { doit (); return 0; }
1201         ]])
1202 ], [
1203    have_visibility_hidden=yes
1204    AC_MSG_RESULT(yes)
1205 ], [
1206    have_visibility_hidden=no
1207    AC_MSG_RESULT(no)
1208 ])
1209
1210 dnl
1211 dnl Boehm GC configuration
1212 dnl
1213
1214 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1215
1216 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1217 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1218
1219 if test "x$support_boehm" = "xyes"; then
1220
1221         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1222         if test x$enable_parallel_mark = xyes; then
1223                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1224         fi
1225
1226         gc_msg=""
1227         LIBGC_CPPFLAGS=
1228         LIBGC_LIBS=
1229         LIBGC_STATIC_LIBS=
1230         libgc_dir=
1231         case "x$libgc" in
1232                 xincluded)
1233                         if test "x$support_boehm" = "xyes"; then
1234                                 libgc_dir=libgc
1235                         fi
1236
1237                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1238                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1239                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1240
1241                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1242
1243                         if test x$target_win32 = xyes; then
1244                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1245                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1246                         fi
1247
1248                         gc_msg="Included Boehm GC with typed GC"
1249                         if test x$enable_parallel_mark = xyes; then
1250                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1251                                 gc_msg="$gc_msg and parallel mark"
1252                         else
1253                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1254                         fi
1255                         ;;
1256
1257                 xboehm|xbohem|xyes)
1258                         AC_MSG_WARN("External Boehm is no longer supported")
1259                         ;;
1260
1261                 xsgen)
1262                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1263                         ;;
1264
1265                 xnone)
1266                         AC_MSG_WARN("Compiling mono without GC.")
1267                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1268                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1269                         gc_msg="none"
1270                         ;;
1271                 *)
1272                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1273                         ;;
1274         esac
1275
1276         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1277         if test "x$large_heap" = "xyes"; then
1278            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1279         fi
1280
1281         AC_SUBST(LIBGC_CPPFLAGS)
1282         AC_SUBST(LIBGC_LIBS)
1283         AC_SUBST(LIBGC_STATIC_LIBS)
1284         AC_SUBST(libgc_dir)
1285         AC_SUBST(BOEHM_DEFINES)
1286
1287 fi
1288
1289 dnl
1290 dnl End of Boehm GC Configuration
1291 dnl
1292
1293 dnl *************************************
1294 dnl *** Checks for zero length arrays ***
1295 dnl *************************************
1296 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1297 AC_TRY_COMPILE([
1298         struct s {
1299                 int  length;
1300                 char data [0];
1301         };
1302 ], [], [
1303         AC_MSG_RESULT(yes)
1304         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1305 ], [
1306         AC_MSG_RESULT(no)
1307         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1308 ])
1309
1310 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1311
1312 dnl ***********************************
1313 dnl *** Checks for signals
1314 dnl ***********************************
1315 AC_CHECK_HEADERS(signal.h)
1316 AC_CHECK_FUNCS(sigaction)
1317 AC_CHECK_FUNCS(kill)
1318 AC_CHECK_FUNCS(signal)
1319
1320 # signal() is declared inline in Android headers
1321 # so we need to workaround it by overriding the check.
1322 if test x$platform_android = xyes; then
1323         AC_DEFINE(HAVE_SIGNAL,1)
1324 fi
1325
1326 if test x$host_win32 = xno; then
1327
1328         dnl hires monotonic clock support
1329         AC_SEARCH_LIBS(clock_gettime, rt)
1330         AC_CHECK_FUNCS(clock_nanosleep)
1331
1332         dnl dynamic loader support
1333         AC_CHECK_FUNC(dlopen, DL_LIB="",
1334                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1335         )
1336         if test x$dl_support = xno; then
1337                 AC_MSG_WARN([No dynamic loading support available])
1338         else
1339                 LIBS="$LIBS $DL_LIB"
1340                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1341                 dnl from glib's configure.ac
1342                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1343                         mono_cv_uscore,[
1344                         AC_TRY_RUN([#include <dlfcn.h>
1345                         int mono_underscore_test (void) { return 42; }
1346                         int main() {
1347                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1348                           handle = dlopen ((void*)0, 0);
1349                           if (handle) {
1350                             f1 = dlsym (handle, "mono_underscore_test");
1351                             f2 = dlsym (handle, "_mono_underscore_test");
1352                           } return (!f2 || f1);
1353                         }],
1354                                 [mono_cv_uscore=yes],
1355                                 [mono_cv_uscore=no],
1356                         [])
1357                 ])
1358                 if test "x$mono_cv_uscore" = "xyes"; then
1359                         MONO_DL_NEED_USCORE=1
1360                 else
1361                         MONO_DL_NEED_USCORE=0
1362                 fi
1363                 AC_SUBST(MONO_DL_NEED_USCORE)
1364                 AC_CHECK_FUNC(dlerror)
1365         fi
1366
1367         dnl ******************************************************************
1368         dnl *** Checks for the IKVM JNI interface library                  ***
1369         dnl ******************************************************************
1370         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])
1371
1372         ikvm_native_dir=
1373         if test x$with_ikvm_native = xyes; then
1374                 ikvm_native_dir=ikvm-native
1375                 jdk_headers_found="IKVM Native"
1376         fi
1377
1378         AC_SUBST(ikvm_native_dir)
1379
1380         AC_CHECK_HEADERS(execinfo.h)
1381
1382         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1383
1384         AC_CHECK_FUNCS(getgrgid_r)
1385         AC_CHECK_FUNCS(getgrnam_r)
1386         AC_CHECK_FUNCS(getpwnam_r)
1387         AC_CHECK_FUNCS(getpwuid_r)
1388         AC_CHECK_FUNCS(getresuid)
1389         AC_CHECK_FUNCS(setresuid)
1390         AC_CHECK_FUNCS(kqueue)
1391         AC_CHECK_FUNCS(backtrace_symbols)
1392         AC_CHECK_FUNCS(mkstemp)
1393         AC_CHECK_FUNCS(mmap)
1394         AC_CHECK_FUNCS(madvise)
1395         AC_CHECK_FUNCS(getrusage)
1396         AC_CHECK_FUNCS(getpriority)
1397         AC_CHECK_FUNCS(setpriority)
1398         AC_CHECK_FUNCS(dl_iterate_phdr)
1399         AC_CHECK_FUNCS(dladdr)
1400         AC_CHECK_FUNCS(sysconf)
1401         AC_CHECK_FUNCS(getrlimit)
1402         AC_CHECK_FUNCS(prctl)
1403
1404         AC_CHECK_FUNCS(sched_getaffinity)
1405         AC_CHECK_FUNCS(sched_setaffinity)
1406         AC_CHECK_FUNCS(sched_getcpu)
1407
1408         dnl ****************************************************************
1409         dnl *** Check for sched_setaffinity from glibc versions before   ***
1410         dnl *** 2.3.4. The older versions of the function only take 2    ***
1411         dnl *** parameters, not 3.                                       ***
1412         dnl ***                                                          ***
1413         dnl *** Because the interface change was not made in a minor     ***
1414         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1415         dnl *** won't always indicate the interface sched_affinity has.  ***
1416         dnl ****************************************************************
1417         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1418         AC_TRY_COMPILE([#include <sched.h>], [
1419             int mask = 1;
1420             sched_setaffinity(0, &mask);
1421                         return 0;
1422         ], [
1423                 # Yes, we have it...
1424                 AC_MSG_RESULT(yes)
1425                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1426         ], [
1427                 # We have the new, three-parameter version
1428                 AC_MSG_RESULT(no)
1429         ])
1430         AC_TRY_COMPILE([#include <sched.h>], [
1431              CPU_COUNT((void *) 0);
1432         ], [
1433                 AC_MSG_RESULT(yes)
1434                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1435         ], [
1436                 # We have the new, three-parameter version
1437                 AC_MSG_RESULT(no)
1438         ])
1439
1440         dnl ******************************************************************
1441         dnl *** Check for large file support                               ***
1442         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1443         dnl ******************************************************************
1444
1445         # Check that off_t can represent 2**63 - 1 correctly, working around
1446         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1447         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1448         large_offt=no
1449         AC_DEFUN([LARGE_FILES], [
1450                 large_CPPFLAGS=$CPPFLAGS
1451                 CPPFLAGS="$CPPFLAGS $1"
1452                 AC_TRY_COMPILE([
1453                         #include <sys/types.h>
1454                         #include <limits.h>
1455                 ], [
1456                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1457                         #define COMPILE_TIME_ASSERT(pred) \
1458                                 switch(0){case 0:case pred:;}
1459                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1460                 ], [
1461                         AC_MSG_RESULT(ok)
1462                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1463                         large_CPPFLAGS="$large_CPPFLAGS $1"
1464                         large_offt=yes
1465                 ], [
1466                         AC_MSG_RESULT(no)
1467                 ])
1468                 CPPFLAGS=$large_CPPFLAGS
1469         ])
1470
1471         AC_MSG_CHECKING(if off_t is 64 bits wide)
1472         LARGE_FILES("")
1473         if test $large_offt = no; then
1474                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1475                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1476         fi
1477         if test $large_offt = no; then
1478                 AC_MSG_WARN([No 64 bit file size support available])
1479         fi
1480
1481         dnl *****************************
1482         dnl *** Checks for libsocket  ***
1483         dnl *****************************
1484         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1485
1486         case "$host" in
1487                 *-*-*freebsd*)
1488                         dnl *****************************
1489                         dnl *** Checks for libinotify ***
1490                         dnl *****************************
1491                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1492         esac
1493
1494         dnl *******************************
1495         dnl *** Checks for MSG_NOSIGNAL ***
1496         dnl *******************************
1497         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1498         AC_TRY_COMPILE([#include <sys/socket.h>], [
1499                 int f = MSG_NOSIGNAL;
1500         ], [
1501                 # Yes, we have it...
1502                 AC_MSG_RESULT(yes)
1503                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1504         ], [
1505                 # We'll have to use signals
1506                 AC_MSG_RESULT(no)
1507         ])
1508
1509         dnl *****************************
1510         dnl *** Checks for IPPROTO_IP ***
1511         dnl *****************************
1512         AC_MSG_CHECKING(for IPPROTO_IP)
1513         AC_TRY_COMPILE([#include <netinet/in.h>], [
1514                 int level = IPPROTO_IP;
1515         ], [
1516                 # Yes, we have it...
1517                 AC_MSG_RESULT(yes)
1518                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1519         ], [
1520                 # We'll have to use getprotobyname
1521                 AC_MSG_RESULT(no)
1522         ])
1523
1524         dnl *******************************
1525         dnl *** Checks for IPPROTO_IPV6 ***
1526         dnl *******************************
1527         AC_MSG_CHECKING(for IPPROTO_IPV6)
1528         AC_TRY_COMPILE([#include <netinet/in.h>], [
1529                 int level = IPPROTO_IPV6;
1530         ], [
1531                 # Yes, we have it...
1532                 AC_MSG_RESULT(yes)
1533                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1534         ], [
1535                 # We'll have to use getprotobyname
1536                 AC_MSG_RESULT(no)
1537         ])
1538
1539         dnl ******************************
1540         dnl *** Checks for IPPROTO_TCP ***
1541         dnl ******************************
1542         AC_MSG_CHECKING(for IPPROTO_TCP)
1543         AC_TRY_COMPILE([#include <netinet/in.h>], [
1544                 int level = IPPROTO_TCP;
1545         ], [
1546                 # Yes, we have it...
1547                 AC_MSG_RESULT(yes)
1548                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1549         ], [
1550                 # We'll have to use getprotobyname
1551                 AC_MSG_RESULT(no)
1552         ])
1553
1554         dnl *****************************
1555         dnl *** Checks for SOL_IP     ***
1556         dnl *****************************
1557         AC_MSG_CHECKING(for SOL_IP)
1558         AC_TRY_COMPILE([#include <netdb.h>], [
1559                 int level = SOL_IP;
1560         ], [
1561                 # Yes, we have it...
1562                 AC_MSG_RESULT(yes)
1563                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1564         ], [
1565                 # We'll have to use getprotobyname
1566                 AC_MSG_RESULT(no)
1567         ])
1568
1569         dnl *****************************
1570         dnl *** Checks for SOL_IPV6     ***
1571         dnl *****************************
1572         AC_MSG_CHECKING(for SOL_IPV6)
1573         AC_TRY_COMPILE([#include <netdb.h>], [
1574                 int level = SOL_IPV6;
1575         ], [
1576                 # Yes, we have it...
1577                 AC_MSG_RESULT(yes)
1578                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1579         ], [
1580                 # We'll have to use getprotobyname
1581                 AC_MSG_RESULT(no)
1582         ])
1583
1584         dnl *****************************
1585         dnl *** Checks for SOL_TCP    ***
1586         dnl *****************************
1587         AC_MSG_CHECKING(for SOL_TCP)
1588         AC_TRY_COMPILE([#include <netdb.h>], [
1589                 int level = SOL_TCP;
1590         ], [
1591                 # Yes, we have it...
1592                 AC_MSG_RESULT(yes)
1593                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1594         ], [
1595                 # We'll have to use getprotobyname
1596                 AC_MSG_RESULT(no)
1597         ])
1598
1599         dnl *****************************
1600         dnl *** Checks for IP_PKTINFO ***
1601         dnl *****************************
1602         AC_MSG_CHECKING(for IP_PKTINFO)
1603         AC_TRY_COMPILE([#include <linux/in.h>], [
1604                 int level = IP_PKTINFO;
1605         ], [
1606                 # Yes, we have it...
1607                 AC_MSG_RESULT(yes)
1608                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1609         ], [
1610                 AC_MSG_RESULT(no)
1611         ])
1612
1613         dnl *****************************
1614         dnl *** Checks for IPV6_PKTINFO ***
1615         dnl *****************************
1616         AC_MSG_CHECKING(for IPV6_PKTINFO)
1617         AC_TRY_COMPILE([#include <netdb.h>], [
1618                 int level = IPV6_PKTINFO;
1619         ], [
1620                 # Yes, we have it...
1621                 AC_MSG_RESULT(yes)
1622                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1623         ], [
1624                 AC_MSG_RESULT(no)
1625         ])
1626
1627         dnl **********************************
1628         dnl *** Checks for IP_DONTFRAG     ***
1629         dnl **********************************
1630         AC_MSG_CHECKING(for IP_DONTFRAG)
1631         AC_TRY_COMPILE([#include <netinet/in.h>], [
1632                 int level = IP_DONTFRAG;
1633         ], [
1634                 # Yes, we have it...
1635                 AC_MSG_RESULT(yes)
1636                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1637         ], [
1638                 AC_MSG_RESULT(no)
1639         ])
1640
1641         dnl **********************************
1642         dnl *** Checks for IP_DONTFRAGMENT ***
1643         dnl **********************************
1644         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1645         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1646                 int level = IP_DONTFRAGMENT;
1647         ], [
1648                 # Yes, we have it...
1649                 AC_MSG_RESULT(yes)
1650                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1651         ], [
1652                 AC_MSG_RESULT(no)
1653         ])
1654
1655         dnl **********************************
1656         dnl *** Checks for IP_MTU_DISCOVER ***
1657         dnl **********************************
1658         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1659         AC_TRY_COMPILE([#include <linux/in.h>], [
1660                 int level = IP_MTU_DISCOVER;
1661         ], [
1662                 # Yes, we have it...
1663                 AC_MSG_RESULT(yes)
1664                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1665         ], [
1666                 AC_MSG_RESULT(no)
1667         ])
1668
1669         dnl **********************************
1670         dnl *** Checks for  IP_PMTUDISC_DO ***
1671         dnl **********************************
1672         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1673         AC_TRY_COMPILE([#include <linux/in.h>], [
1674                 int level = IP_PMTUDISC_DO;
1675         ], [
1676                 # Yes, we have it...
1677                 AC_MSG_RESULT(yes)
1678                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1679         ], [
1680                 AC_MSG_RESULT(no)
1681         ])
1682
1683         dnl *********************************
1684         dnl *** Check for struct ip_mreqn ***
1685         dnl *********************************
1686         AC_MSG_CHECKING(for struct ip_mreqn)
1687         AC_TRY_COMPILE([#include <netinet/in.h>], [
1688                 struct ip_mreqn mreq;
1689                 mreq.imr_address.s_addr = 0;
1690         ], [
1691                 # Yes, we have it...
1692                 AC_MSG_RESULT(yes)
1693                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1694         ], [
1695                 # We'll just have to try and use struct ip_mreq
1696                 AC_MSG_RESULT(no)
1697                 AC_MSG_CHECKING(for struct ip_mreq)
1698                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1699                         struct ip_mreq mreq;
1700                         mreq.imr_interface.s_addr = 0;
1701                 ], [
1702                         # Yes, we have it...
1703                         AC_MSG_RESULT(yes)
1704                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1705                 ], [
1706                         # No multicast support
1707                         AC_MSG_RESULT(no)
1708                 ])
1709         ])
1710
1711         dnl **********************************
1712         dnl *** Check for getaddrinfo ***
1713         dnl **********************************
1714         AC_MSG_CHECKING(for getaddrinfo)
1715                 AC_TRY_LINK([
1716                 #include <stdio.h>
1717                 #include <netdb.h>
1718         ], [
1719                 getaddrinfo(NULL,NULL,NULL,NULL);
1720         ], [
1721                 # Yes, we have it...
1722                 AC_MSG_RESULT(yes)
1723                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1724         ], [
1725                 AC_MSG_RESULT(no)
1726         ])
1727
1728         dnl **********************************
1729         dnl *** Check for gethostbyname2_r ***
1730         dnl **********************************
1731         AC_MSG_CHECKING(for gethostbyname2_r)
1732                 AC_TRY_LINK([
1733                 #include <stdio.h>
1734                 #include <netdb.h>
1735         ], [
1736
1737                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1738         ], [
1739                 # Yes, we have it...
1740                 AC_MSG_RESULT(yes)
1741                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1742         ], [
1743                 AC_MSG_RESULT(no)
1744         ])
1745
1746         dnl **********************************
1747         dnl *** Check for gethostbyname2 ***
1748         dnl **********************************
1749         AC_MSG_CHECKING(for gethostbyname2)
1750                 AC_TRY_LINK([
1751                 #include <stdio.h>
1752                 #include <netdb.h>
1753         ], [
1754                 gethostbyname2(NULL,0);
1755         ], [
1756                 # Yes, we have it...
1757                 AC_MSG_RESULT(yes)
1758                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1759         ], [
1760                 AC_MSG_RESULT(no)
1761         ])
1762
1763         dnl **********************************
1764         dnl *** Check for gethostbyname ***
1765         dnl **********************************
1766         AC_MSG_CHECKING(for gethostbyname)
1767                 AC_TRY_LINK([
1768                 #include <stdio.h>
1769                 #include <netdb.h>
1770         ], [
1771                 gethostbyname(NULL);
1772         ], [
1773                 # Yes, we have it...
1774                 AC_MSG_RESULT(yes)
1775                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1776         ], [
1777                 AC_MSG_RESULT(no)
1778         ])
1779
1780         dnl **********************************
1781         dnl *** Check for getprotobyname ***
1782         dnl **********************************
1783         AC_MSG_CHECKING(for getprotobyname)
1784                 AC_TRY_LINK([
1785                 #include <stdio.h>
1786                 #include <netdb.h>
1787         ], [
1788                 getprotobyname(NULL);
1789         ], [
1790                 # Yes, we have it...
1791                 AC_MSG_RESULT(yes)
1792                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1793         ], [
1794                 AC_MSG_RESULT(no)
1795         ])
1796
1797         dnl **********************************
1798         dnl *** Check for getnameinfo ***
1799         dnl **********************************
1800         AC_MSG_CHECKING(for getnameinfo)
1801                 AC_TRY_LINK([
1802                 #include <stdio.h>
1803                 #include <netdb.h>
1804         ], [
1805                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1806         ], [
1807                 # Yes, we have it...
1808                 AC_MSG_RESULT(yes)
1809                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1810         ], [
1811                 AC_MSG_RESULT(no)
1812         ])
1813
1814
1815         dnl **********************************
1816         dnl *** Check for inet_ntop ***
1817         dnl **********************************
1818         AC_MSG_CHECKING(for inet_ntop)
1819                 AC_TRY_LINK([
1820                 #include <stdio.h>
1821                 #include <arpa/inet.h>
1822         ], [
1823                 inet_ntop (0, NULL, NULL, 0);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831
1832         dnl *****************************
1833         dnl *** Checks for libnsl     ***
1834         dnl *****************************
1835         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1836
1837         AC_CHECK_FUNCS(inet_pton inet_aton)
1838
1839         dnl *****************************
1840         dnl *** Checks for libxnet    ***
1841         dnl *****************************
1842         case "${host}" in
1843                 *solaris* )
1844                         AC_MSG_CHECKING(for Solaris XPG4 support)
1845                         if test -f /usr/lib/libxnet.so; then
1846                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1847                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1848                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1849                                 LIBS="$LIBS -lxnet"
1850                                 AC_MSG_RESULT(yes)
1851                         else
1852                                 AC_MSG_RESULT(no)
1853                         fi
1854
1855                         if test "$GCC" = "yes"; then
1856                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1857                         fi
1858                 ;;
1859         esac
1860
1861         dnl *****************************
1862         dnl *** Checks for libpthread ***
1863         dnl *****************************
1864 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1865 # and libpthread does not exist
1866 #
1867         case "${host}" in
1868                 *-*-*freebsd*)
1869                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1870                 ;;
1871                 *-*-*openbsd*)
1872                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1873                 ;;
1874                 *)
1875                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1876                 ;;
1877         esac
1878         AC_CHECK_HEADERS(pthread.h)
1879         AC_CHECK_HEADERS(pthread_np.h)
1880         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1881         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1882         AC_CHECK_FUNCS(pthread_kill)
1883         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1884         AC_TRY_COMPILE([ #include <pthread.h>], [
1885                 pthread_mutexattr_t attr;
1886                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1887         ], [
1888                 AC_MSG_RESULT(ok)
1889         ], [
1890                 AC_MSG_RESULT(no)
1891                 AC_ERROR(Posix system lacks support for recursive mutexes)
1892         ])
1893         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1894         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1895         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1896
1897         dnl **********************************
1898         dnl *** Check for mincore ***
1899         dnl **********************************
1900         AC_MSG_CHECKING(for mincore)
1901                 AC_TRY_LINK([
1902                 #include <stdio.h>
1903                 #include <sys/types.h>
1904                 #include <sys/mman.h>
1905         ], [
1906                 mincore(NULL, 0, NULL);
1907         ], [
1908                 # Yes, we have it...
1909                 AC_MSG_RESULT(yes)
1910                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1911         ], [
1912                 AC_MSG_RESULT(no)
1913         ])
1914
1915         dnl ***********************************
1916         dnl *** Checks for working __thread ***
1917         dnl ***********************************
1918         AC_MSG_CHECKING(for working __thread)
1919         if test "x$with_tls" != "x__thread"; then
1920                 AC_MSG_RESULT(disabled)
1921         elif test "x$cross_compiling" = "xyes"; then
1922                 AC_MSG_RESULT(cross compiling, assuming yes)
1923         else
1924                 AC_TRY_RUN([
1925                         #if defined(__APPLE__) && defined(__clang__)
1926                         #error "__thread does not currently work with clang on Mac OS X"
1927                         #endif
1928
1929                         #include <pthread.h>
1930                         __thread int i;
1931                         static int res1, res2;
1932
1933                         void thread_main (void *arg)
1934                         {
1935                                 i = arg;
1936                                 sleep (1);
1937                                 if (arg == 1)
1938                                         res1 = (i == arg);
1939                                 else
1940                                         res2 = (i == arg);
1941                         }
1942
1943                         int main () {
1944                                 pthread_t t1, t2;
1945
1946                                 i = 5;
1947
1948                                 pthread_create (&t1, NULL, thread_main, 1);
1949                                 pthread_create (&t2, NULL, thread_main, 2);
1950
1951                                 pthread_join (t1, NULL);
1952                                 pthread_join (t2, NULL);
1953
1954                                 return !(res1 + res2 == 2);
1955                         }
1956                 ], [
1957                                 AC_MSG_RESULT(yes)
1958                 ], [
1959                                 AC_MSG_RESULT(no)
1960                                 with_tls=pthread
1961                 ])
1962         fi
1963
1964         dnl **************************************
1965         dnl *** Checks for working sigaltstack ***
1966         dnl **************************************
1967         AC_MSG_CHECKING(for working sigaltstack)
1968         if test "x$with_sigaltstack" != "xyes"; then
1969                 AC_MSG_RESULT(disabled)
1970         elif test "x$cross_compiling" = "xyes"; then
1971                 AC_MSG_RESULT(cross compiling, assuming yes)
1972         else
1973                 AC_TRY_RUN([
1974                         #include <stdio.h>
1975                         #include <stdlib.h>
1976                         #include <unistd.h>
1977                         #include <signal.h>
1978                         #include <pthread.h>
1979                         #include <sys/wait.h>
1980                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1981                         #define SA_STACK SA_ONSTACK
1982                         #endif
1983                         static void
1984                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1985                         {
1986                                 exit (0);
1987                         }
1988
1989                         volatile char*__ptr = NULL;
1990                         static void *
1991                         loop (void *ignored)
1992                         {
1993                                 *__ptr = 0;
1994                                 return NULL;
1995                         }
1996
1997                         static void
1998                         child ()
1999                         {
2000                                 struct sigaction sa;
2001                         #ifdef __APPLE__
2002                                 stack_t sas;
2003                         #else
2004                                 struct sigaltstack sas;
2005                         #endif
2006                                 pthread_t id;
2007                                 pthread_attr_t attr;
2008
2009                                 sa.sa_sigaction = sigsegv_signal_handler;
2010                                 sigemptyset (&sa.sa_mask);
2011                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2012                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2013                                         perror ("sigaction");
2014                                         return;
2015                                 }
2016
2017                                 /* x86 darwin deliver segfaults using SIGBUS */
2018                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2019                                         perror ("sigaction");
2020                                         return;
2021                                 }
2022                                 sas.ss_sp = malloc (SIGSTKSZ);
2023                                 sas.ss_size = SIGSTKSZ;
2024                                 sas.ss_flags = 0;
2025                                 if (sigaltstack (&sas, NULL) == -1) {
2026                                         perror ("sigaltstack");
2027                                         return;
2028                                 }
2029
2030                                 pthread_attr_init (&attr);
2031                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2032                                         printf ("pthread_create\n");
2033                                         return;
2034                                 }
2035
2036                                 sleep (100);
2037                         }
2038
2039                         int
2040                         main ()
2041                         {
2042                                 pid_t son;
2043                                 int status;
2044                                 int i;
2045
2046                                 son = fork ();
2047                                 if (son == -1) {
2048                                         return 1;
2049                                 }
2050
2051                                 if (son == 0) {
2052                                         child ();
2053                                         return 0;
2054                                 }
2055
2056                                 for (i = 0; i < 300; ++i) {
2057                                         waitpid (son, &status, WNOHANG);
2058                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2059                                                 return 0;
2060                                         usleep (10000);
2061                                 }
2062
2063                                 kill (son, SIGKILL);
2064                                 return 1;
2065                         }
2066
2067                 ], [
2068                                 AC_MSG_RESULT(yes)
2069                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2070                 ], [
2071                                 with_sigaltstack=no
2072                                 AC_MSG_RESULT(no)
2073                 ])
2074         fi
2075
2076         dnl ********************************
2077         dnl *** Checks for semaphore lib ***
2078         dnl ********************************
2079         # 'Real Time' functions on Solaris
2080         # posix4 on Solaris 2.6
2081         # pthread (first!) on Linux
2082         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2083
2084         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2085         AC_CHECK_FUNCS(shm_open)
2086
2087         dnl ********************************
2088         dnl *** Checks for timezone stuff **
2089         dnl ********************************
2090         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2091                 AC_TRY_COMPILE([
2092                         #include <time.h>
2093                         ], [
2094                         struct tm tm;
2095                         tm.tm_gmtoff = 1;
2096                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2097         if test $ac_cv_struct_tm_gmtoff = yes; then
2098                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2099         else
2100                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2101                         AC_TRY_COMPILE([
2102                                 #include <time.h>
2103                         ], [
2104                                 timezone = 1;
2105                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2106                 if test $ac_cv_var_timezone = yes; then
2107                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2108                 else
2109                         AC_ERROR(unable to find a way to determine timezone)
2110                 fi
2111         fi
2112
2113         dnl *********************************
2114         dnl *** Checks for math functions ***
2115         dnl *********************************
2116         AC_SEARCH_LIBS(sqrtf, m)
2117         if test "x$has_broken_apple_cpp" != "xyes"; then
2118                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2119                         AC_TRY_LINK([#include <math.h>],
2120                         [ finite(0.0); ],
2121                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2122                         AC_MSG_RESULT(no)))
2123         fi
2124         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2125                 AC_TRY_LINK([#include <math.h>],
2126                 [ isfinite(0.0); ],
2127                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2128                 AC_MSG_RESULT(no)))
2129
2130         dnl ****************************************************************
2131         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2132         dnl *** have it in the library (duh))                            ***
2133         dnl ****************************************************************
2134         AC_CHECK_FUNCS(poll)
2135
2136         dnl *************************
2137         dnl *** Check for signbit ***
2138         dnl *************************
2139         AC_MSG_CHECKING(for signbit)
2140         AC_TRY_LINK([#include <math.h>], [
2141                 int s = signbit(1.0);
2142         ], [
2143                 AC_MSG_RESULT(yes)
2144                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2145         ], [
2146                 AC_MSG_RESULT(no)
2147         ])
2148
2149         dnl **********************************
2150         dnl *** epoll                      ***
2151         dnl **********************************
2152         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2153                 AC_CHECK_HEADERS(sys/epoll.h)
2154                 haveepoll=no
2155                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2156                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2157                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2158                 fi
2159         fi
2160
2161         havekqueue=no
2162
2163         AC_CHECK_HEADERS(sys/event.h)
2164         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2165
2166         dnl **************************************
2167         dnl * Darwin has a race that prevents us from using reliably:
2168         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2169         dnl * Since kqueue is mostly used for scaling large web servers,
2170         dnl * and very few folks run Mono on large web servers on OSX, falling
2171         dnl * back
2172         dnl **************************************
2173         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2174                 if test "x$host_darwin" = "xno"; then
2175                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2176                 fi
2177         fi
2178
2179         dnl ******************************
2180         dnl *** Checks for SIOCGIFCONF ***
2181         dnl ******************************
2182         AC_CHECK_HEADERS(sys/ioctl.h)
2183         AC_CHECK_HEADERS(net/if.h, [], [],
2184            [
2185            #ifdef HAVE_SYS_TYPES_H
2186            # include <sys/types.h>
2187            #endif
2188            #ifdef HAVE_SYS_SOCKET_H
2189            # include <sys/socket.h>
2190            #endif
2191            ])
2192         AC_MSG_CHECKING(for ifreq)
2193         AC_TRY_COMPILE([
2194                 #include <stdio.h>
2195                 #include <sys/ioctl.h>
2196                 #include <net/if.h>
2197                 ], [
2198                 struct ifconf ifc;
2199                 struct ifreq *ifr;
2200                 void *x;
2201                 ifc.ifc_len = 0;
2202                 ifc.ifc_buf = NULL;
2203                 x = (void *) &ifr->ifr_addr;
2204                 ],[
2205                         AC_MSG_RESULT(yes)
2206                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2207                 ], [
2208                         AC_MSG_RESULT(no)
2209                 ])
2210         dnl **********************************
2211         dnl ***     Checks for sin_len     ***
2212         dnl **********************************
2213         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2214         AC_TRY_COMPILE([
2215                 #include <netinet/in.h>
2216                 ], [
2217                 struct sockaddr_in saddr;
2218                 saddr.sin_len = sizeof (saddr);
2219                 ],[
2220                         AC_MSG_RESULT(yes)
2221                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2222                 ], [
2223                         AC_MSG_RESULT(no)
2224                 ])
2225         dnl **********************************
2226         dnl ***    Checks for sin6_len     ***
2227         dnl **********************************
2228         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2229         AC_TRY_COMPILE([
2230                 #include <netinet/in.h>
2231                 ], [
2232                 struct sockaddr_in6 saddr6;
2233                 saddr6.sin6_len = sizeof (saddr6);
2234                 ],[
2235                         AC_MSG_RESULT(yes)
2236                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2237                 ], [
2238                         AC_MSG_RESULT(no)
2239                 ])
2240         dnl **********************************
2241         dnl *** Check for getifaddrs       ***
2242         dnl **********************************
2243         AC_MSG_CHECKING(for getifaddrs)
2244                 AC_TRY_LINK([
2245                 #include <stdio.h>
2246                 #include <sys/types.h>
2247                 #include <sys/socket.h>
2248                 #include <ifaddrs.h>
2249         ], [
2250                 getifaddrs(NULL);
2251         ], [
2252                 # Yes, we have it...
2253                 AC_MSG_RESULT(yes)
2254                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2255         ], [
2256                 AC_MSG_RESULT(no)
2257         ])
2258         dnl **********************************
2259         dnl *** Check for if_nametoindex   ***
2260         dnl **********************************
2261         AC_MSG_CHECKING(for if_nametoindex)
2262                 AC_TRY_LINK([
2263                 #include <stdio.h>
2264                 #include <sys/types.h>
2265                 #include <sys/socket.h>
2266                 #include <net/if.h>
2267         ], [
2268                 if_nametoindex(NULL);
2269         ], [
2270                 # Yes, we have it...
2271                 AC_MSG_RESULT(yes)
2272                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2273         ], [
2274                 AC_MSG_RESULT(no)
2275         ])
2276
2277         dnl **********************************
2278         dnl *** Checks for MonoPosixHelper ***
2279         dnl **********************************
2280         AC_CHECK_HEADERS(checklist.h)
2281         AC_CHECK_HEADERS(pathconf.h)
2282         AC_CHECK_HEADERS(fstab.h)
2283         AC_CHECK_HEADERS(attr/xattr.h)
2284         AC_CHECK_HEADERS(sys/extattr.h)
2285         AC_CHECK_HEADERS(sys/sendfile.h)
2286         AC_CHECK_HEADERS(sys/statvfs.h)
2287         AC_CHECK_HEADERS(sys/statfs.h)
2288         AC_CHECK_HEADERS(sys/vfstab.h)
2289         AC_CHECK_HEADERS(sys/xattr.h)
2290         AC_CHECK_HEADERS(sys/mman.h)
2291         AC_CHECK_HEADERS(sys/param.h)
2292         AC_CHECK_HEADERS(sys/mount.h, [], [],
2293                 [
2294                 #ifdef HAVE_SYS_PARAM_H
2295                 # include <sys/param.h>
2296                 #endif
2297                 ])
2298         AC_CHECK_HEADERS(sys/mount.h)
2299         AC_CHECK_FUNCS(confstr)
2300         AC_CHECK_FUNCS(seekdir telldir)
2301         AC_CHECK_FUNCS(getdomainname)
2302         AC_CHECK_FUNCS(setdomainname)
2303         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2304         AC_CHECK_FUNCS(setgroups)
2305         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2306         AC_CHECK_FUNCS(getfsstat)
2307         AC_CHECK_FUNCS(lutimes futimes)
2308         AC_CHECK_FUNCS(mremap)
2309         AC_CHECK_FUNCS(remap_file_pages)
2310         AC_CHECK_FUNCS(posix_fadvise)
2311         AC_CHECK_FUNCS(posix_fallocate)
2312         AC_CHECK_FUNCS(posix_madvise)
2313         AC_CHECK_FUNCS(vsnprintf)
2314         AC_CHECK_FUNCS(sendfile)
2315         AC_CHECK_FUNCS(gethostid sethostid)
2316         AC_CHECK_FUNCS(sethostname)
2317         AC_CHECK_FUNCS(statfs)
2318         AC_CHECK_FUNCS(fstatfs)
2319         AC_CHECK_FUNCS(statvfs)
2320         AC_CHECK_FUNCS(fstatvfs)
2321         AC_CHECK_FUNCS(stime)
2322         AC_CHECK_FUNCS(strerror_r)
2323         AC_CHECK_FUNCS(ttyname_r)
2324         AC_CHECK_FUNCS(psignal)
2325         AC_CHECK_FUNCS(getlogin_r)
2326         AC_CHECK_FUNCS(lockf)
2327         AC_CHECK_FUNCS(swab)
2328         AC_CHECK_FUNCS(setusershell endusershell)
2329         AC_CHECK_FUNCS(futimens utimensat)
2330         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2331         AC_CHECK_FUNCS(readv writev preadv pwritev)
2332         AC_CHECK_FUNCS(setpgid)
2333         AC_CHECK_FUNCS(system)
2334         AC_CHECK_FUNCS(fork execv execve)
2335         AC_CHECK_FUNCS(accept4)
2336         AC_CHECK_SIZEOF(size_t)
2337         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2338                 [#include <sys/types.h>
2339                  #include <sys/stat.h>
2340                  #include <unistd.h>])
2341         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2342                 [#include <sys/types.h>
2343                  #include <sys/stat.h>
2344                  #include <unistd.h>])
2345         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2346                 [#include <sys/time.h>])
2347         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2348                 [#include <sys/socket.h>])
2349         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2350                 [#include <unistd.h>
2351                  #include <fcntl.h>])
2352         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2353                 [#include <sys/uio.h>])
2354         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2355                 [#include <sys/socket.h>])
2356         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2357                 [#include <sys/poll.h>])
2358         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2359                 [#include <sys/socket.h>])
2360         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2361                 [#include <sys/socket.h>])
2362         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2363                 [#include <netinet/in.h>])
2364         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2365                 [#include <netinet/in.h>])
2366         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2367                 [#include <sys/un.h>])
2368         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2369                 [#include <sys/types.h>
2370                  #include <sys/stat.h>
2371                  #include <unistd.h>])
2372         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2373                 [#include <time.h>])
2374         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2375                 [#include <sys/time.h>
2376                  #include <sys/types.h>
2377                  #include <utime.h>])
2378         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2379                 [#include <sys/time.h>])
2380         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2381                 [#include <sys/types.h>
2382                  #include <utime.h>])
2383         AC_CHECK_MEMBERS(
2384                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2385                 [#include <sys/types.h>
2386                  #include <dirent.h>])
2387         AC_CHECK_MEMBERS(
2388                 [struct passwd.pw_gecos],,,
2389                 [#include <sys/types.h>
2390                  #include <pwd.h>])
2391         AC_CHECK_MEMBERS(
2392                 [struct statfs.f_flags],,,
2393                 [#include <sys/types.h>
2394                  #include <sys/vfs.h>])
2395         AC_CHECK_MEMBERS(
2396                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2397                 [#include <sys/types.h>
2398                  #include <sys/stat.h>
2399                  #include <unistd.h>])
2400
2401         dnl Favour xattr through glibc, but use libattr if we have to
2402         AC_CHECK_FUNC(lsetxattr, ,
2403                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2404         )
2405         AC_SUBST(XATTR_LIB)
2406
2407         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2408         AC_CHECK_MEMBERS(
2409                 [struct kinfo_proc.kp_proc],,,
2410                 [#include <sys/types.h>
2411                  #include <sys/param.h>
2412                  #include <sys/sysctl.h>
2413                  #include <sys/proc.h>
2414                  ])
2415
2416         dnl *********************************
2417         dnl *** Checks for Windows compilation ***
2418         dnl *********************************
2419         AC_CHECK_HEADERS(sys/time.h)
2420         AC_CHECK_HEADERS(sys/param.h)
2421         AC_CHECK_HEADERS(dirent.h)
2422
2423         dnl ******************************************
2424         dnl *** Checks for OSX and iOS compilation ***
2425         dnl ******************************************
2426         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2427
2428         dnl *********************************
2429         dnl *** Check for Console 2.0 I/O ***
2430         dnl *********************************
2431         AC_CHECK_HEADERS([curses.h])
2432         AC_CHECK_HEADERS([term.h], [], [],
2433         [#if HAVE_CURSES_H
2434          #include <curses.h>
2435          #endif
2436         ])
2437         AC_CHECK_HEADERS([termios.h])
2438 else
2439         dnl *********************************
2440         dnl *** Checks for Windows compilation ***
2441         dnl *********************************
2442         AC_CHECK_HEADERS(winternl.h)
2443
2444         jdk_headers_found=no
2445         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2446         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2447         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2448         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2449         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2450         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2451         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2452
2453         dnl *********************************
2454         dnl *** Check for struct ip_mreqn ***
2455         dnl *********************************
2456         AC_MSG_CHECKING(for struct ip_mreqn)
2457         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2458                 struct ip_mreqn mreq;
2459                 mreq.imr_address.s_addr = 0;
2460         ], [
2461                 # Yes, we have it...
2462                 AC_MSG_RESULT(yes)
2463                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2464         ], [
2465                 # We'll just have to try and use struct ip_mreq
2466                 AC_MSG_RESULT(no)
2467                 AC_MSG_CHECKING(for struct ip_mreq)
2468                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2469                         struct ip_mreq mreq;
2470                         mreq.imr_interface.s_addr = 0;
2471                 ], [
2472                         # Yes, we have it...
2473                         AC_MSG_RESULT(yes)
2474                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2475                 ], [
2476                         # No multicast support
2477                         AC_MSG_RESULT(no)
2478                 ])
2479         ])
2480
2481         dnl **********************************
2482         dnl *** Check for getaddrinfo ***
2483         dnl **********************************
2484         AC_MSG_CHECKING(for getaddrinfo)
2485                 AC_TRY_LINK([
2486                 #include <stdio.h>
2487                 #include <winsock2.h>
2488                 #include <ws2tcpip.h>
2489         ], [
2490                 getaddrinfo(NULL,NULL,NULL,NULL);
2491         ], [
2492                 # Yes, we have it...
2493                 AC_MSG_RESULT(yes)
2494                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2495         ], [
2496                 AC_MSG_RESULT(no)
2497         ])
2498
2499         dnl **********************************
2500         dnl *** Check for gethostbyname ***
2501         dnl **********************************
2502         AC_MSG_CHECKING(for gethostbyname)
2503                 AC_TRY_LINK([
2504                 #include <stdio.h>
2505                 #include <winsock2.h>
2506                 #include <ws2tcpip.h>
2507         ], [
2508                 gethostbyname(NULL);
2509         ], [
2510                 # Yes, we have it...
2511                 AC_MSG_RESULT(yes)
2512                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2513         ], [
2514                 AC_MSG_RESULT(no)
2515         ])
2516
2517         dnl **********************************
2518         dnl *** Check for getprotobyname ***
2519         dnl **********************************
2520         AC_MSG_CHECKING(for getprotobyname)
2521                 AC_TRY_LINK([
2522                 #include <stdio.h>
2523                 #include <winsock2.h>
2524                 #include <ws2tcpip.h>
2525         ], [
2526                 getprotobyname(NULL);
2527         ], [
2528                 # Yes, we have it...
2529                 AC_MSG_RESULT(yes)
2530                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2531         ], [
2532                 AC_MSG_RESULT(no)
2533         ])
2534
2535         dnl **********************************
2536         dnl *** Check for getnameinfo ***
2537         dnl **********************************
2538         AC_MSG_CHECKING(for getnameinfo)
2539                 AC_TRY_LINK([
2540                 #include <stdio.h>
2541                 #include <winsock2.h>
2542                 #include <ws2tcpip.h>
2543         ], [
2544                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2545         ], [
2546                 # Yes, we have it...
2547                 AC_MSG_RESULT(yes)
2548                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2549         ], [
2550                 AC_MSG_RESULT(no)
2551         ])
2552
2553         dnl **********************************
2554         dnl *** Check for inet_ntop ***
2555         dnl **********************************
2556         AC_MSG_CHECKING(for inet_ntop)
2557                 AC_TRY_LINK([
2558                 #include <stdio.h>
2559                 #include <winsock2.h>
2560                 #include <ws2tcpip.h>
2561         ], [
2562                 inet_ntop (0, NULL, NULL, 0);
2563         ], [
2564                 # Yes, we have it...
2565                 AC_MSG_RESULT(yes)
2566                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2567         ], [
2568                 AC_MSG_RESULT(no)
2569         ])
2570
2571         dnl **********************************
2572         dnl *** Check for inet_pton ***
2573         dnl **********************************
2574         AC_MSG_CHECKING(for inet_pton)
2575                 AC_TRY_LINK([
2576                 #include <stdio.h>
2577                 #include <winsock2.h>
2578                 #include <ws2tcpip.h>
2579         ], [
2580                 #ifndef inet_pton
2581                 (void) inet_pton;
2582                 #endif
2583                 inet_pton (0, NULL, NULL);
2584         ], [
2585                 # Yes, we have it...
2586                 AC_MSG_RESULT(yes)
2587                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2588         ], [
2589                 AC_MSG_RESULT(no)
2590         ])
2591
2592         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2593         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2594         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2595         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2596         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2597         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2598         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2599 fi
2600
2601 dnl socklen_t check
2602 AC_MSG_CHECKING(for socklen_t)
2603 AC_TRY_COMPILE([
2604 #include <sys/types.h>
2605 #include <sys/socket.h>
2606 ],[
2607   socklen_t foo;
2608 ],[
2609 ac_cv_c_socklen_t=yes
2610         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2611         AC_MSG_RESULT(yes)
2612 ],[
2613         AC_MSG_RESULT(no)
2614 ])
2615
2616 AC_MSG_CHECKING(for array element initializer support)
2617 AC_TRY_COMPILE([#include <sys/socket.h>], [
2618         const int array[] = {[1] = 2,};
2619 ], [
2620         # Yes, we have it...
2621         AC_MSG_RESULT(yes)
2622         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2623 ], [
2624         # We'll have to use signals
2625         AC_MSG_RESULT(no)
2626 ])
2627
2628 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2629         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2630         AC_TRY_LINK([#include <math.h>],
2631         [ static void *p = &trunc; ],
2632         [
2633                 AC_DEFINE(HAVE_TRUNC)
2634                 AC_MSG_RESULT(yes)
2635                 ac_cv_trunc=yes
2636         ],
2637         AC_MSG_RESULT(no)))
2638
2639 if test "x$ac_cv_truncl" != "xyes"; then
2640    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2641 fi
2642
2643 AC_CHECK_FUNCS(execvp)
2644
2645 dnl ****************************
2646 dnl *** Look for /dev/random ***
2647 dnl ****************************
2648
2649 AC_MSG_CHECKING([if usage of random device is requested])
2650 AC_ARG_ENABLE(dev-random,
2651 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2652 try_dev_random=$enableval, try_dev_random=yes)
2653
2654 AC_MSG_RESULT($try_dev_random)
2655
2656 case "{$build}" in
2657     *-openbsd*)
2658     NAME_DEV_RANDOM="/dev/srandom"
2659     ;;
2660
2661 dnl Win32 does not have /dev/random, they have their own method...
2662
2663     *-mingw*|*-*-cygwin*)
2664     ac_cv_have_dev_random=no
2665     ;;
2666
2667 dnl Everywhere else, it's /dev/random
2668
2669     *)
2670     NAME_DEV_RANDOM="/dev/random"
2671     ;;
2672 esac
2673
2674 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2675
2676 dnl Now check if the device actually exists
2677
2678 if test "x$try_dev_random" = "xyes"; then
2679     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2680     [if test -r "$NAME_DEV_RANDOM" ; then
2681         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2682     if test "x$ac_cv_have_dev_random" = "xyes"; then
2683         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2684     fi
2685 else
2686     AC_MSG_CHECKING(for random device)
2687     ac_cv_have_dev_random=no
2688     AC_MSG_RESULT(has been disabled)
2689 fi
2690
2691 if test "x$host_win32" = "xyes"; then
2692     AC_DEFINE(HAVE_CRYPT_RNG)
2693 fi
2694
2695 if test "x$ac_cv_have_dev_random" = "xno" \
2696     && test "x$host_win32" = "xno"; then
2697     AC_MSG_WARN([[
2698 ***
2699 *** A system-provided entropy source was not found on this system.
2700 *** Because of this, the System.Security.Cryptography random number generator
2701 *** will throw a NotImplemented exception.
2702 ***
2703 *** If you are seeing this message, and you know your system DOES have an
2704 *** entropy collection in place, please contact <crichton@gimp.org> and
2705 *** provide information about the system and how to access the random device.
2706 ***
2707 *** Otherwise you can install either egd or prngd and set the environment
2708 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2709 ***]])
2710 fi
2711
2712 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2713
2714 AC_MSG_CHECKING([if big-arrays are to be enabled])
2715 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2716 if test "x$enable_big_arrays" = "xyes" ; then
2717     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2718         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2719     else
2720         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2721     fi
2722 fi
2723 AC_MSG_RESULT($enable_big_arrays)
2724
2725 dnl **************
2726 dnl *** DTRACE ***
2727 dnl **************
2728
2729 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2730
2731 if test "x$enable_dtrace" = "xyes"; then
2732    if test "x$has_dtrace" = "xno"; then
2733           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2734    fi
2735    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2736    if test "x$DTRACE" = "xno"; then
2737           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2738           enable_dtrace=no
2739    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2740           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2741           enable_dtrace=no
2742    fi
2743 fi
2744
2745 dtrace_g=no
2746 if test "x$enable_dtrace" = "xyes"; then
2747         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2748         DTRACEFLAGS=
2749         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2750                 case "$host" in
2751                         powerpc-*-darwin*)
2752                         DTRACEFLAGS="-arch ppc64"
2753                         ;;
2754                         i*86-*-darwin*)
2755                         DTRACEFLAGS="-arch x86_64"
2756                         ;;
2757                         *)
2758                         DTRACEFLAGS=-64
2759                         ;;
2760                 esac
2761         else
2762                 case "$host" in
2763                         powerpc-*-darwin*)
2764                         DTRACEFLAGS="-arch ppc"
2765                         ;;
2766                         i*86-*-darwin*)
2767                         DTRACEFLAGS="-arch i386"
2768                         ;;
2769                         *)
2770                         DTRACEFLAGS=-32
2771                         ;;
2772                 esac
2773         fi
2774         AC_SUBST(DTRACEFLAGS)
2775         case "$host" in
2776                 *-*-solaris*)
2777                 dtrace_g=yes
2778                 ;;
2779         esac
2780         AC_CHECK_HEADERS([sys/sdt.h])
2781 fi
2782 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2783 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2784
2785 dnl **************
2786 dnl ***  NaCl  ***
2787 dnl **************
2788
2789 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2790 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2791
2792 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2793
2794 dnl
2795 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2796 dnl
2797 nacl_self_host=""
2798 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2799    nacl_self_host="nacl_self_host"
2800 fi
2801 AC_SUBST(nacl_self_host)
2802
2803 if test "x$enable_nacl_codegen" = "xyes"; then
2804    MONO_NACL_ALIGN_MASK_OFF=1
2805    AC_DEFINE(TARGET_NACL, 1, [...])
2806    AC_DEFINE(__native_client_codegen__, 1, [...])
2807 fi
2808 if test "x$enable_nacl_gc" = "xyes"; then
2809    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2810       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2811    else
2812       # Not yet implemented
2813       INSTRUMENT_CFLAG=""
2814    fi
2815    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2816 fi
2817 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2818
2819 dnl **************************
2820 dnl *** AOT cross offsets  ***
2821 dnl **************************
2822
2823 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2824     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2825
2826 dnl **************
2827 dnl ***  LLVM  ***
2828 dnl **************
2829
2830 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2831 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2832 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2833 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2834
2835 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2836
2837 if test "x$enable_llvm" = "xdefault"; then
2838    enable_llvm=$enable_llvm_default
2839 fi
2840
2841 if test "x$enable_llvm" = "xyes"; then
2842    if test "x$with_llvm" != "x"; then
2843           LLVM_CONFIG=$with_llvm/bin/llvm-config
2844           if test x$host_win32 = xyes; then
2845                 LLVM_CONFIG=$LLVM_CONFIG.exe
2846           fi
2847           if test ! -x $LLVM_CONFIG; then
2848                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2849       fi
2850    else
2851       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2852       if test "x$LLVM_CONFIG" = "xno"; then
2853              AC_MSG_ERROR([llvm-config not found.])
2854       fi
2855    fi
2856
2857    llvm_codegen="x86codegen"
2858    case "$target" in
2859    arm*)
2860                 llvm_codegen="armcodegen"
2861                 ;;
2862    esac
2863
2864    if test "x$host_win32" = "xno"; then
2865
2866    # Should be something like '2.6' or '2.7svn'
2867    llvm_version=`$LLVM_CONFIG --version`
2868    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2869    AC_MSG_CHECKING(LLVM version)
2870    AC_MSG_RESULT($llvm_version $llvm_api_version)
2871    if echo $llvm_version | grep -q 'mono'; then
2872           if test "x$enable_llvm_version_check" = "xyes"; then
2873                  if test "$llvm_version" != "$expected_llvm_version"; then
2874                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2875                  fi
2876           fi
2877    else
2878           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.])
2879    fi
2880
2881    # The output of --cflags seems to include optimizations flags too
2882    if test $llvm_api_version -gt 100; then
2883           # The --cflags argument includes all kinds of warnings -pendantic etc.
2884           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2885           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2886    else
2887           LLVM_CFLAGS=`$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'`
2888       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2889    fi
2890    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2891    # from LLVM classes.
2892    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2893    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2894    # This might include empty lines
2895    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2896    llvm_jit_supported=yes
2897    llvm_jit_libs="jit mcjit $llvm_codegen"
2898    if test "x$host" != "x$target"; then
2899       # No need for jit libs
2900           llvm_jit_supported=no
2901       llvm_jit_libs=""
2902    elif test $llvm_api_version -gt 100; then
2903       llvm_jit_libs="orcjit $llvm_codegen"
2904    fi
2905    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2906    if test "x$LLVM_LIBS" = "x"; then
2907           echo "$LLVM_CONFIG --libs failed."
2908           exit 1
2909    fi
2910    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2911    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2912    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2913       LLVM_LIBS="$LLVM_LIBS -lc++"
2914    else
2915       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2916    fi
2917
2918    expected_llvm_version="3.4svn-mono-mono/e656cac"
2919
2920    else
2921        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2922        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2923        LLVM_LDFLAGS="-L$with_llvm/lib"
2924        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2925        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2926          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2927          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2928          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2929          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2930          -lLLVMAnalysis -lLLVMTarget \
2931          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2932          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2933          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2934          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2935          -lLLVMSupport -lstdc++"
2936        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2937
2938        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2939        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2940    fi
2941
2942    if test "x$llvm_api_version" = "x"; then
2943           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2944           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2945    else
2946           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2947           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2948    fi
2949
2950    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2951
2952    AC_SUBST(LLVM_CFLAGS)
2953    AC_SUBST(LLVM_CXXFLAGS)
2954    AC_SUBST(LLVM_LIBS)
2955    AC_SUBST(LLVM_LDFLAGS)
2956    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2957 fi
2958
2959 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2960 if test "x$enable_loadedllvm" = "xyes"; then
2961    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2962 fi
2963 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2964
2965 if test "x$enable_llvm" = "xyes"; then
2966    enable_llvm_runtime=yes
2967 fi
2968 if test "x$enable_llvm_runtime" = "xyes"; then
2969    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2970 fi
2971 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2972
2973 TARGET="unknown"
2974 ACCESS_UNALIGNED="yes"
2975
2976 LIBC="libc.so.6"
2977 INTL="libc.so.6"
2978 SQLITE="libsqlite.so.0"
2979 SQLITE3="libsqlite3.so.0"
2980 X11="libX11.so"
2981 GDKX11="libgdk-x11-2.0.so.0"
2982 GTKX11="libgtk-x11-2.0.so.0"
2983 XINERAMA="libXinerama.so.1"
2984
2985 sizeof_register="SIZEOF_VOID_P"
2986
2987 jit_wanted=true
2988 boehm_supported=true
2989 BTLS_SUPPORTED=no
2990 BTLS_PLATFORM=
2991 case "$host" in
2992         mips*)
2993                 TARGET=MIPS;
2994                 arch_target=mips;
2995                 with_tls=pthread;
2996                 ACCESS_UNALIGNED="no"
2997
2998                 AC_MSG_CHECKING(for mips n32)
2999                 AC_TRY_COMPILE([],[
3000                 #if _MIPS_SIM != _ABIN32
3001                 #error Not mips n32
3002                 #endif
3003                 return 0;
3004                 ],[
3005                 AC_MSG_RESULT(yes)
3006                 sizeof_register=8
3007                 ],[
3008                 AC_MSG_RESULT(no)
3009                 ])
3010                 ;;
3011         i*86-*-*)
3012                 TARGET=X86;
3013                 arch_target=x86;
3014                 case $host_os in
3015                   solaris*)
3016                         LIBC="libc.so"
3017                         INTL="libintl.so"
3018                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3019                                 TARGET=AMD64
3020                                 arch_target=amd64
3021                         fi
3022
3023                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3024                         # int astruct __attribute__ ((visibility ("hidden")));
3025                         # void foo ()
3026                         # {
3027                         #       void *p = &astruct;
3028                         # }
3029                         # gcc -fPIC --shared -o libfoo.so foo.c
3030                         # yields:
3031                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3032                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3033                         have_visibility_hidden=no
3034                         ;;
3035                   mingw*|cygwin*)
3036                         have_visibility_hidden=no
3037                         ;;
3038                   haiku*)
3039                         LIBC=libroot.so
3040                         ;;
3041                   linux*)
3042                         AOT_SUPPORTED="yes"
3043                         BTLS_SUPPORTED=yes
3044                         BTLS_PLATFORM=i386
3045                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3046                         ;;
3047                   darwin*)
3048                         AOT_SUPPORTED="yes"
3049                         BTLS_SUPPORTED=yes
3050                         BTLS_PLATFORM=i386
3051                         ;;
3052                   openbsd*|freebsd*|kfreebsd-gnu*)
3053                         ;;
3054                 esac
3055                 ;;
3056         x86_64-*-* | amd64-*-*)
3057                 TARGET=AMD64;
3058                 arch_target=amd64;
3059                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3060                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3061                         sizeof_register=8
3062                 fi
3063                 case $host_os in
3064                   linux*)
3065                         AOT_SUPPORTED="yes"
3066                         BTLS_SUPPORTED=yes
3067                         BTLS_PLATFORM=x86_64
3068                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3069                         ;;
3070                   darwin*)
3071                         AOT_SUPPORTED="yes"
3072                         BTLS_SUPPORTED=yes
3073                         BTLS_PLATFORM=x86_64
3074                         boehm_supported=false
3075                         ;;
3076                   openbsd*|freebsd*|kfreebsd-gnu*)
3077                         ;;
3078                   mingw*)
3079                         ;;
3080                 esac
3081                 case "$host" in
3082                         x86_64-*-nacl*)
3083                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3084                                 sizeof_register=8
3085                                 ;;
3086                 esac
3087                 ;;
3088         ia64-*-*)
3089                 TARGET=IA64
3090                 arch_target=ia64
3091                 ACCESS_UNALIGNED="no"
3092                 LIBC="libc.so.6.1"
3093                 INTL="libc.so.6.1"
3094                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3095                 libmono_ldflags="-lunwind"
3096                 ;;
3097         sparc*-*-*)
3098                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3099                    TARGET=SPARC64
3100                 else
3101                         TARGET=SPARC
3102                 fi
3103                 arch_target=sparc;
3104                 ACCESS_UNALIGNED="no"
3105                 case $host_os in
3106                   linux*) ;;
3107                   *)
3108                         LIBC="libc.so"
3109                         INTL="libintl.so"
3110                 esac
3111                 if test x"$GCC" = xyes; then
3112                         # We don't support v8 cpus
3113                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3114                 fi
3115                 if test x"$AR" = xfalse; then
3116                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3117                 fi
3118                 ;;
3119         *-mingw*|*-*-cygwin*)
3120                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3121                 have_visibility_hidden=no
3122                 INTL="intl"
3123                 ;;
3124         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3125         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3126                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3127                         TARGET=POWERPC64;
3128                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3129                         CFLAGS="$CFLAGS -mminimal-toc"
3130                 else
3131                         TARGET=POWERPC;
3132                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3133                 fi
3134                 arch_target=ppc;
3135                 case $host_os in
3136                   linux*|darwin*)
3137                         ;;
3138                 esac
3139                 ;;
3140         armv7k-*-darwin*)
3141                 TARGET=ARM;
3142                 TARGET_SYS=WATCHOS
3143                 arch_target=arm;
3144                 arm_fpu=VFP_HARD
3145                 ACCESS_UNALIGNED="no"
3146                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3147                 ;;
3148
3149         arm*-darwin*)
3150                 TARGET=ARM;
3151                 arch_target=arm;
3152                 ACCESS_UNALIGNED="no"
3153                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3154                 ;;
3155         arm*-linux*)
3156                 TARGET=ARM;
3157                 arch_target=arm;
3158                 ACCESS_UNALIGNED="no"
3159                 AOT_SUPPORTED="yes"
3160                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3161                 ;;
3162         arm*-netbsd*-eabi*)
3163                 TARGET=ARM;
3164                 arch_target=arm;
3165                 ACCESS_UNALIGNED="no"
3166                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3167                 ;;
3168 # TODO: make proper support for NaCl host.
3169 #        arm*-*nacl)
3170 #               TARGET=ARM;
3171 #               arch_target=arm;
3172 #               ACCESS_UNALIGNED="no"
3173 #               AOT_SUPPORTED="no"
3174 #               ;;
3175         aarch64-*)
3176                 # https://lkml.org/lkml/2012/7/15/133
3177                 TARGET=ARM64
3178                 arch_target=arm64
3179                 boehm_supported=false
3180                 AOT_SUPPORTED="yes"
3181                 ;;
3182         s390x-*-linux*)
3183                 TARGET=S390X;
3184                 arch_target=s390x;
3185                 ACCESS_UNALIGNED="yes"
3186                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3187                 ;;
3188 esac
3189
3190 HOST=$TARGET
3191
3192 if test "x$host" != "x$target"; then
3193    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3194    enable_mcs_build=no
3195    BTLS_SUPPORTED=no
3196    case "$target" in
3197    arm*-darwin*)
3198                 TARGET=ARM;
3199                 arch_target=arm;
3200                 ACCESS_UNALIGNED="no"
3201                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3202                 # Can't use tls, since it depends on the runtime detection of tls offsets
3203                 # in mono-compiler.h
3204                 with_tls=pthread
3205                 case "$target" in
3206                 armv7k-*)
3207                         arm_fpu=VFP_HARD
3208                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3209                         ;;
3210                 esac
3211                 ;;
3212    powerpc64-ps3-linux-gnu)
3213                 TARGET=POWERPC64
3214                 arch_target=powerpc64
3215                 AC_DEFINE(TARGET_PS3, 1, [...])
3216                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3217                 # uses this define
3218                 AC_DEFINE(__mono_ppc64__, 1, [...])
3219                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3220                 sizeof_register=8
3221                 target_byte_order=G_BIG_ENDIAN
3222                 ;;
3223    powerpc64-xbox360-linux-gnu)
3224                 TARGET=POWERPC64
3225                 arch_target=powerpc64
3226                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3227                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3228                 # uses this define
3229                 sizeof_register=8
3230                 target_byte_order=G_BIG_ENDIAN
3231                 ;;
3232    x86_64-*-nacl)
3233                 TARGET=AMD64
3234                 arch_target=amd64
3235                 AC_DEFINE(TARGET_AMD64, 1, [...])
3236                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3237                 sizeof_register=8
3238                 ;;
3239 # TODO: make proper support for NaCl target.
3240 #   arm*-*nacl)
3241 #               TARGET=ARM
3242 #               arch_target=arm
3243 #               AC_DEFINE(TARGET_ARM, 1, [...])
3244 #               ACCESS_UNALIGNED="no"
3245 #               sizeof_register=4
3246 #               CPPFLAGS="$CPPFLAGS \
3247 #                    -D__ARM_EABI__ \
3248 #                    -D__arm__ \
3249 #                    -D__portable_native_client__ \
3250 #                    -Dtimezone=_timezone \
3251 #                    -DDISABLE_SOCKETS \
3252 #                    -DDISABLE_ATTACH \
3253 #                    -DUSE_NEWLIB"
3254                 # Can't use tls, since it depends on the runtime detection of tls offsets
3255                 # in mono-compiler.h
3256 #               with_tls=pthread
3257 #               ;;
3258    i686-*-nacl)
3259                 TARGET=X86
3260                 arch_target=x86
3261                 AC_DEFINE(TARGET_X86, 1, [...])
3262                 sizeof_register=4
3263                 ;;
3264    arm*-linux-*)
3265                 TARGET=ARM;
3266                 arch_target=arm;
3267                 AC_DEFINE(TARGET_ARM, 1, [...])
3268                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3269                 ACCESS_UNALIGNED="no"
3270                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3271                 # Can't use tls, since it depends on the runtime detection of tls offsets
3272                 # in mono-compiler.h
3273                 with_tls=pthread
3274                 target_mach=no
3275                 case "$target" in
3276                 armv7l-unknown-linux-gnueabi*)
3277                         # TEGRA
3278                         CPPFLAGS="$CPPFLAGS"
3279                         ;;
3280                 armv5-*-linux-androideabi*)
3281                         CPPFLAGS="$CPPFLAGS"
3282                         ;;
3283                 esac
3284                 ;;
3285    arm*-netbsd*-eabi*)
3286                 TARGET=ARM;
3287                 arch_target=arm;
3288                 AC_DEFINE(TARGET_ARM, 1, [...])
3289                 ACCESS_UNALIGNED="no"
3290                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3291                 # Can't use tls, since it depends on the runtime detection of tls offsets
3292                 # in mono-compiler.h
3293                 with_tls=pthread
3294                 target_mach=no
3295                 ;;
3296    i686*-linux-*)
3297                 TARGET=X86;
3298                 arch_target=x86;
3299                 AC_DEFINE(TARGET_X86, 1, [...])
3300                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3301                 CPPFLAGS="$CPPFLAGS"
3302                 # Can't use tls, since it depends on the runtime detection of tls offsets
3303                 # in mono-compiler.h
3304                 with_tls=pthread
3305                 target_mach=no
3306                 ;;
3307    x86_64*-linux-*)
3308                 TARGET=AMD64;
3309                 arch_target=amd64;
3310                 AC_DEFINE(TARGET_AMD64, 1, [...])
3311                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3312                 CPPFLAGS="$CPPFLAGS"
3313                 # Can't use tls, since it depends on the runtime detection of tls offsets
3314                 # in mono-compiler.h
3315                 with_tls=pthread
3316                 target_mach=no
3317                 ;;
3318    x86_64-ps4-freebsd)
3319                 TARGET=AMD64;
3320                 arch_target=amd64;
3321                 AC_DEFINE(TARGET_AMD64, 1, [...])
3322                 AC_DEFINE(TARGET_PS4, 1, [...])
3323                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3324                 CPPFLAGS="$CPPFLAGS"
3325                 # Can't use tls, since it depends on the runtime detection of tls offsets
3326                 # in mono-compiler.h
3327                 with_tls=pthread
3328                 target_mach=no
3329                 target_win32=no
3330                 ;;
3331    aarch64*-linux-*)
3332                 TARGET=ARM64;
3333                 arch_target=arm64;
3334                 AC_DEFINE(TARGET_ARM64, 1, [...])
3335                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3336                 CPPFLAGS="$CPPFLAGS"
3337                 # Can't use tls, since it depends on the runtime detection of tls offsets
3338                 # in mono-compiler.h
3339                 with_tls=pthread
3340                 target_mach=no
3341                 ;;
3342         aarch64-*)
3343                 TARGET=ARM64
3344                 ;;
3345         *)
3346                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3347         esac
3348 fi
3349
3350 case "$TARGET" in
3351 X86)
3352         AC_DEFINE(TARGET_X86, 1, [...])
3353         ;;
3354 AMD64)
3355         AC_DEFINE(TARGET_AMD64, 1, [...])
3356         ;;
3357 ARM)
3358         AC_DEFINE(TARGET_ARM, 1, [...])
3359         ;;
3360 ARM64)
3361         AC_DEFINE(TARGET_ARM64, 1, [...])
3362         ;;
3363 POWERPC)
3364         AC_DEFINE(TARGET_POWERPC, 1, [...])
3365         ;;
3366 POWERPC64)
3367         AC_DEFINE(TARGET_POWERPC, 1, [...])
3368         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3369         ;;
3370 S390X)
3371         AC_DEFINE(TARGET_S390X, 1, [...])
3372         ;;
3373 MIPS)
3374         AC_DEFINE(TARGET_MIPS, 1, [...])
3375         ;;
3376 IA64)
3377         AC_DEFINE(TARGET_IA64, 1, [...])
3378         ;;
3379 SPARC)
3380         AC_DEFINE(TARGET_SPARC, 1, [...])
3381         ;;
3382 SPARC64)
3383         AC_DEFINE(TARGET_SPARC64, 1, [...])
3384         ;;
3385 esac
3386
3387 case "$HOST" in
3388 X86)
3389         AC_DEFINE(HOST_X86, 1, [...])
3390         ;;
3391 AMD64)
3392         AC_DEFINE(HOST_AMD64, 1, [...])
3393         ;;
3394 ARM)
3395         AC_DEFINE(HOST_ARM, 1, [...])
3396         ;;
3397 ARM64)
3398         AC_DEFINE(HOST_ARM64, 1, [...])
3399         ;;
3400 POWERPC)
3401         AC_DEFINE(HOST_POWERPC, 1, [...])
3402         ;;
3403 POWERPC64)
3404         AC_DEFINE(HOST_POWERPC, 1, [...])
3405         AC_DEFINE(HOST_POWERPC64, 1, [...])
3406         ;;
3407 S390X)
3408         AC_DEFINE(HOST_S390X, 1, [...])
3409         ;;
3410 MIPS)
3411         AC_DEFINE(HOST_MIPS, 1, [...])
3412         ;;
3413 IA64)
3414         AC_DEFINE(HOST_IA64, 1, [...])
3415         ;;
3416 SPARC)
3417         AC_DEFINE(HOST_SPARC, 1, [...])
3418         ;;
3419 SPARC64)
3420         AC_DEFINE(HOST_SPARC64, 1, [...])
3421         ;;
3422 esac
3423
3424
3425
3426 dnl *************
3427 dnl *** VTUNE ***
3428 dnl *************
3429
3430 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3431 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3432
3433 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3434
3435 if test "x$enable_vtune" = "xyes"; then
3436         if test "x$with_vtune" = "x"; then
3437                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3438         else
3439                 VTUNE_PATH=$with_vtune
3440         fi
3441         VTUNE_INCLUDE=$VTUNE_PATH/include
3442         case "$TARGET" in
3443         X86)
3444                 VTUNE_LIB=$VTUNE_PATH/lib32
3445                 ;;
3446         AMD64)
3447                 VTUNE_LIB=$VTUNE_PATH/lib64
3448                 ;;
3449         *)
3450                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3451                 ;;
3452         esac
3453         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3454                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3455         fi
3456         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3457                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3458         fi
3459
3460         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3461         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3462
3463         AC_SUBST(VTUNE_LIBS)
3464         AC_SUBST(VTUNE_CFLAGS)
3465 fi
3466 dnl Use GCC atomic ops if they work on the target.
3467 if test x$GCC = "xyes"; then
3468         case $TARGET in
3469         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3470                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3471                 ;;
3472         esac
3473 fi
3474
3475 if test "x$target_mach" = "xyes"; then
3476
3477    if test "x$TARGET_SYS" = "xWATCHOS"; then
3478           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3479           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3480           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3481           BTLS_SUPPORTED=no
3482    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3483           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3484           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3485           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3486           BTLS_SUPPORTED=no
3487    else
3488        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3489        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3490        #error fail this for ios
3491        #endif
3492        return 0;
3493        ], [
3494                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3495           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3496           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3497        ], [
3498           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3499           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3500           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3501           BTLS_SUPPORTED=no
3502        ])
3503         fi
3504    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3505 fi
3506
3507 if test "x$sizeof_register" = "x4"; then
3508    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3509 elif test "x$sizeof_register" = "x8"; then
3510    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3511 else
3512    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3513 fi
3514
3515 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3516    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3517 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3518    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3519 else
3520    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3521 fi
3522
3523 if test "x$have_visibility_hidden" = "xyes"; then
3524    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3525 fi
3526
3527 if test "x$have_deprecated" = "xyes"; then
3528    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3529 fi
3530
3531 dnl
3532 dnl Simple Generational checks (sgen)
3533 dnl
3534 SGEN_DEFINES=
3535 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3536 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3537 if test x$buildsgen = xyes; then
3538    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3539    SGEN_DEFINES="-DHAVE_SGEN_GC"
3540
3541         conc_gc_msg=""
3542    if test x$with_sgen_default_concurrent != xno; then
3543        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3544            conc_gc_msg=" (concurrent by default)"
3545    fi
3546
3547    if test "x$gc_msg" = "x"; then
3548       gc_msg="sgen$conc_gc_msg"
3549    else
3550       gc_msg="sgen$conc_gc_msg and $gc_msg"
3551    fi
3552 fi
3553 AC_SUBST(SGEN_DEFINES)
3554 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3555
3556 jit_status="Building and using the JIT"
3557
3558 libsuffix=".so"
3559
3560 case "$host" in
3561      *-*-darwin*)
3562         libsuffix=".dylib"
3563         LIBC="libc.dylib"
3564         INTL="libintl.dylib"
3565         SQLITE="libsqlite.0.dylib"
3566         SQLITE3="libsqlite3.0.dylib"
3567         X11="libX11.dylib"
3568         GDKX11="libgdk-x11-2.0.dylib"
3569         GTKX11="libgtk-x11-2.0.dylib"
3570         ;;
3571      *-*-*netbsd*)
3572         LIBC="libc.so"
3573         INTL="libintl.so"
3574         SQLITE="libsqlite.so"
3575         SQLITE3="libsqlite3.so"
3576         ;;
3577      *-*-kfreebsd*-gnu)
3578         LIBC="libc.so.0.1"
3579         INTL="libc.so.0.1"
3580         X11="libX11.so.6"
3581         ;;
3582     *-*-*freebsd*)
3583         LIBC="libc.so.7"
3584         INTL="libintl.so"
3585         SQLITE="libsqlite.so"
3586         SQLITE3="libsqlite3.so"
3587         ;;
3588     *-*-*openbsd*)
3589         LIBC="libc.so"
3590         INTL="libintl.so"
3591         SQLITE="libsqlite.so"
3592         SQLITE3="libsqlite3.so"
3593         ;;
3594     *-*-*linux*)
3595         AC_PATH_X
3596         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3597         AC_MSG_CHECKING(for the soname of libX11.so)
3598         for i in $x_libraries $dlsearch_path; do
3599                 for r in 4 5 6; do
3600                         if test -f $i/libX11.so.$r; then
3601                                 X11=libX11.so.$r
3602                                 AC_MSG_RESULT($X11)
3603                         fi
3604                 done
3605         done
3606
3607         if test "x$X11" = "xlibX11.so"; then
3608                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3609                 X11=libX11.so.6
3610         fi
3611         ;;
3612 esac
3613
3614
3615 AC_SUBST(libsuffix)
3616
3617 AC_ARG_WITH([libgdiplus],
3618         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3619         [], [with_libgdiplus=installed])
3620
3621 # default install location
3622 libgdiplus_install_loc=libgdiplus${libsuffix}
3623 case "$host" in
3624     *-*-*linux*)
3625     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3626     ;;
3627 esac
3628
3629 case $with_libgdiplus in
3630     no|installed)
3631     libgdiplus_loc=
3632     ;;
3633
3634     yes|sibling)
3635     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3636     ;;
3637
3638     /*) # absolute path, assume it is an install location
3639     libgdiplus_loc=$with_libgdiplus
3640     libgdiplus_install_loc=$with_libgdiplus
3641     ;;
3642
3643     *)
3644     libgdiplus_loc=`pwd`/$with_libgdiplus
3645     ;;
3646 esac
3647 AC_SUBST([libgdiplus_loc])
3648 AC_SUBST([libgdiplus_install_loc])
3649
3650 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3651 if test "x$icall_symbol_map" = "xyes"; then
3652    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3653 fi
3654
3655 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3656 if test "x$icall_export" = "xyes"; then
3657    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3658 fi
3659
3660 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3661 if test "x$icall_tables" = "xno"; then
3662    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3663 fi
3664
3665 if test "x$with_tls" = "x__thread"; then
3666         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3667         # Pass the information to libgc
3668         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3669         AC_MSG_CHECKING(if the tls_model attribute is supported)
3670         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3671                 ], [
3672                         AC_MSG_RESULT(yes)
3673                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3674                 ], [
3675                         AC_MSG_RESULT(no)
3676         ])
3677 fi
3678
3679 if test ${TARGET} = ARM; then
3680         dnl ******************************************
3681         dnl *** Check to see what FPU is available ***
3682         dnl ******************************************
3683         AC_MSG_CHECKING(which FPU to use)
3684
3685         #
3686         # This is a bit tricky:
3687         #
3688         # if (__ARM_PCS_VFP) {
3689         #       /* mfloat-abi=hard == VFP with hard ABI */
3690         # } elif (!__SOFTFP__) {
3691         #       /* mfloat-abi=softfp == VFP with soft ABI */
3692         # } else {
3693         #       /* mfloat-abi=soft == no VFP */
3694         # }
3695         #
3696         # The exception is iOS (w/ GCC) where none of the above
3697         # are defined (but iOS always uses the 'softfp' ABI).
3698         #
3699         # No support for FPA.
3700         #
3701
3702         fpu=NONE
3703
3704         # iOS GCC always uses the 'softfp' ABI.
3705         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3706                 fpu=VFP
3707         fi
3708
3709         # Are we using the 'hard' ABI?
3710         if test x$fpu = xNONE; then
3711                 AC_TRY_COMPILE([], [
3712                         #ifndef __ARM_PCS_VFP
3713                         #error "Float ABI is not 'hard'"
3714                         #endif
3715                         return 0;
3716                 ], [
3717                         fpu=VFP_HARD
3718                 ], [
3719                         fpu=NONE
3720                 ])
3721         fi
3722
3723         # No 'hard' ABI. 'soft' or 'softfp'?
3724         if test x$fpu = xNONE; then
3725                 AC_TRY_COMPILE([], [
3726                         #ifdef __SOFTFP__
3727                         #error "Float ABI is not 'softfp'"
3728                         #endif
3729                         return 0;
3730                 ], [
3731                         fpu=VFP
3732                 ], [
3733                         fpu=NONE
3734                 ])
3735         fi
3736
3737         if test x$arm_fpu != x; then
3738            fpu=$arm_fpu
3739         fi
3740
3741         AC_MSG_RESULT($fpu)
3742         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3743         unset fpu
3744
3745         dnl *********************************************
3746         dnl *** Check which ARM version(s) we can use ***
3747         dnl *********************************************
3748         AC_MSG_CHECKING(which ARM version to use)
3749
3750         AC_TRY_COMPILE([], [
3751                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3752                 #error Not on ARM v5.
3753                 #endif
3754                 return 0;
3755         ], [
3756                 arm_v5=yes
3757
3758                 arm_ver=ARMv5
3759         ], [])
3760
3761         AC_TRY_COMPILE([], [
3762                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3763                 #error Not on ARM v6.
3764                 #endif
3765                 return 0;
3766         ], [
3767                 arm_v5=yes
3768                 arm_v6=yes
3769
3770                 arm_ver=ARMv6
3771         ], [])
3772
3773         AC_TRY_COMPILE([], [
3774                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3775                 #error Not on ARM v7.
3776                 #endif
3777                 return 0;
3778         ], [
3779                 arm_v5=yes
3780                 arm_v6=yes
3781                 arm_v7=yes
3782
3783                 arm_ver=ARMv7
3784         ], [])
3785
3786         AC_MSG_RESULT($arm_ver)
3787
3788         if test x$arm_v5 = xyes; then
3789                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3790                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3791         fi
3792
3793         if test x$arm_v6 = xyes; then
3794                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3795                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3796         fi
3797
3798         if test x$arm_v7 = xyes; then
3799                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3800                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3801         fi
3802 fi
3803
3804 if test ${TARGET} = unknown; then
3805         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3806         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3807 fi
3808
3809 if test "x$platform_android" = "xyes"; then
3810         case "x${TARGET}" in
3811         xARM)
3812                 case "x$arm_ver" in
3813                 xARMv5)
3814                         BTLS_SUPPORTED=yes
3815                         BTLS_PLATFORM=android-armv5
3816                         ;;
3817                 xARMv6)
3818                         BTLS_SUPPORTED=yes
3819                         BTLS_PLATFORM=android-armv6
3820                         ;;
3821                 xARMv7)
3822                         BTLS_SUPPORTED=yes
3823                         BTLS_PLATFORM=android-armv7
3824                         ;;
3825                 *)
3826                         BTLS_SUPPORTED=no
3827                         ;;
3828                 esac
3829                 ;;
3830         xARM64)
3831                 BTLS_SUPPORTED=yes
3832                 BTLS_PLATFORM=android-v8a
3833                 ;;
3834         xX86)
3835                 BTLS_SUPPORTED=yes
3836                 BTLS_PLATFORM=android-x86
3837                 ;;
3838         xAMD64)
3839                 BTLS_SUPPORTED=yes
3840                 BTLS_PLATFORM=android-x64
3841                 ;;
3842         *)
3843                 BTLS_SUPPORTED=no
3844                 ;;
3845         esac
3846 fi
3847
3848 if test ${ACCESS_UNALIGNED} = no; then
3849         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3850 fi
3851
3852 case "x$libgc" in
3853         xincluded)
3854                 # Pass CPPFLAGS to libgc configure
3855                 # We should use a separate variable for this to avoid passing useless and
3856                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3857                 # This should be executed late so we pick up the final version of CPPFLAGS
3858                 # The problem with this approach, is that during a reconfigure, the main
3859                 # configure scripts gets invoked with these arguments, so we use separate
3860                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3861                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3862                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3863                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3864                 fi
3865                 # Don't pass -finstrument-for-thread-suspension in,
3866                 # if these are instrumented it will be very bad news
3867                 # (infinite recursion, undefined parking behavior, etc)
3868                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3869                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3870                 if test "x$support_boehm" = "xyes"; then
3871                         AC_CONFIG_SUBDIRS(libgc)
3872                 fi
3873                 ;;
3874 esac
3875
3876 MALLOC_MEMPOOLS=no
3877 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3878         if test x$with_malloc_mempools = xyes; then
3879                 MALLOC_MEMPOOLS=yes
3880                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3881         fi
3882 ])
3883
3884
3885 DISABLE_MCS_DOCS=default
3886 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3887         if test x$with_mcs_docs != xyes; then
3888                 DISABLE_MCS_DOCS=yes
3889         fi
3890 ])
3891 if test -n "$INSTALL_4_x_TRUE"; then :
3892         DISABLE_MCS_DOCS=yes
3893 fi
3894 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3895    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3896 fi
3897
3898 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3899         if test x$with_lazy_gc_thread_creation != xno ; then
3900                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3901         fi
3902 ], [with_lazy_gc_thread_creation=no])
3903
3904 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])
3905
3906 if test x$with_cooperative_gc = xdefault; then
3907         with_cooperative_gc=$with_cooperative_gc_default
3908 fi
3909
3910 if test x$with_cooperative_gc != xno; then
3911         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3912 fi
3913
3914 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3915
3916 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],[
3917
3918         if test x$enable_checked_build != x ; then
3919                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3920         fi
3921         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3922                 eval "mono_checked_build_test_enable_$feature='yes'"
3923         done
3924
3925         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3926                 eval "mono_checked_build_test_enable_gc='yes'"
3927                 eval "mono_checked_build_test_enable_metadata='yes'"
3928                 eval "mono_checked_build_test_enable_thread='yes'"
3929         fi
3930
3931         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3932                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3933         fi
3934
3935         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3936                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3937         fi
3938
3939         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3940                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3941         fi
3942
3943 ], [])
3944
3945 AC_CHECK_HEADER([malloc.h],
3946                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3947                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3948
3949 if test x"$GCC" = xyes; then
3950         # Implicit function declarations are not 64 bit safe
3951         # Do this late, since this causes lots of configure tests to fail
3952         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3953         # jay has a lot of implicit declarations
3954         JAY_CFLAGS="-Wno-implicit-function-declaration"
3955 fi
3956
3957 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3958 # instead of libmono-static.a
3959 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3960    LIBMONO_LA=libmini-static.la
3961 else
3962    if test x$buildsgen = xyes; then
3963       LIBMONO_LA=libmonosgen-$API_VER.la
3964    else
3965       LIBMONO_LA=libmonoboehm-$API_VER.la
3966    fi
3967 fi
3968 AC_SUBST(LIBMONO_LA)
3969
3970 dnl **************
3971 dnl ***  Btls  ***
3972 dnl **************
3973
3974 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3975 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3976
3977 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
3978
3979 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3980
3981 btls_android=no
3982 if test "x$enable_btls" = "xyes"; then
3983         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3984         if test "x$CMAKE" = "xno"; then
3985                 AC_MSG_ERROR("cmake not found")
3986         fi
3987
3988         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3989         AC_SUBST(BTLS_ROOT)
3990
3991         btls_arch=
3992         btls_cflags=
3993         BTLS_CMAKE_ARGS=
3994
3995         case "$BTLS_PLATFORM" in
3996         i386)
3997                 btls_arch=i386
3998                 btls_cflags="-m32"
3999                 case $host_os in
4000                         darwin*)
4001                                 btls_cflags="$btls_cflags -arch i386"
4002                 esac
4003                 ;;
4004         x86_64)
4005                 btls_arch=x86_64
4006                 ;;
4007         android-armv5)
4008                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4009                 ;;
4010         android-armv6)
4011                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4012                 ;;
4013         android-armv7)
4014                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4015                 ;;
4016         android-v8a)
4017                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4018                 ;;
4019         android-x86)
4020                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4021                 ;;
4022         android-x64)
4023                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4024                 ;;
4025         *)
4026                 AC_MSG_ERROR(Invalid BTLS platform)
4027         esac
4028
4029         if test "x$platform_android" = "xyes"; then
4030                 btls_android=yes
4031                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4032                 if test "x$with_btls_android_ndk" != "x"; then
4033                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4034                 fi
4035         fi
4036
4037         if test "x$btls_arch" != "x"; then
4038                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4039         fi
4040
4041         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4042         AC_SUBST(BTLS_ARCH)
4043         AC_SUBST(BTLS_CFLAGS)
4044         AC_SUBST(BTLS_PLATFORM)
4045         AC_SUBST(BTLS_CMAKE_ARGS)
4046
4047         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4048 else
4049         enable_btls=no
4050 fi
4051
4052 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4053
4054 if test x$DISABLE_MCS_DOCS = xyes; then
4055    docs_dir=""
4056 else
4057    docs_dir=docs
4058 fi
4059 AC_SUBST(docs_dir)
4060
4061 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4062 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4063
4064 libmono_ldflags="$libmono_ldflags $LIBS"
4065
4066 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4067 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4068 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4069 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4070 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4071 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4072 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4073 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4074 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4075 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4076 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4077 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4078 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4079 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4080 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4081 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4082 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4083 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4084
4085 AC_SUBST(LIBC)
4086 AC_SUBST(INTL)
4087 AC_SUBST(SQLITE)
4088 AC_SUBST(SQLITE3)
4089 AC_SUBST(X11)
4090 AC_SUBST(GDKX11)
4091 AC_SUBST(GTKX11)
4092 AC_SUBST(XINERAMA)
4093 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4094 AC_SUBST(arch_target)
4095 AC_SUBST(CFLAGS)
4096 AC_SUBST(CPPFLAGS)
4097 AC_SUBST(LDFLAGS)
4098
4099 #This must always be defined when building the runtime
4100 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4101
4102 mono_build_root=`pwd`
4103 AC_SUBST(mono_build_root)
4104
4105 mono_runtime=mono/mini/mono
4106 AC_SUBST(mono_runtime)
4107
4108 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4109
4110 if test $csc_compiler = mcs; then
4111   CSC=$mcs_topdir/class/lib/build/mcs.exe
4112 else
4113   CSC=$CSC_LOCATION
4114 fi
4115
4116 mono_cfg_root=$mono_build_root/runtime
4117 if test x$host_win32 = xyes; then
4118   if test "x$cross_compiling" = "xno"; then
4119     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4120     CSC="'"`cygpath -w -a $CSC`"'"
4121         CSC_LOCATION="'"`cygpath -w -a $CSC_LOCATION`"'"
4122   else
4123     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4124   fi
4125 else
4126   mono_cfg_dir=$mono_cfg_root/etc
4127 fi
4128 AC_SUBST(mono_cfg_dir)
4129
4130 AC_SUBST(CSC)
4131
4132 AC_CONFIG_FILES([po/mcs/Makefile.in])
4133
4134 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4135 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4136
4137 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4138 [   depth=../../../..
4139     case $srcdir in
4140     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4141     .) reldir=$depth ;;
4142     *) reldir=$depth/$srcdir ;;
4143     esac
4144     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4145     cd runtime/etc/mono/1.0
4146     rm -f machine.config
4147     $LN_S $reldir/data/net_1_1/machine.config machine.config
4148     cd $depth
4149 ],[LN_S='$LN_S'])
4150
4151 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4152 [   depth=../../../..
4153     case $srcdir in
4154     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4155     .) reldir=$depth ;;
4156     *) reldir=$depth/$srcdir ;;
4157     esac
4158     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4159     cd runtime/etc/mono/2.0
4160     rm -f machine.config
4161     $LN_S $reldir/data/net_2_0/machine.config machine.config
4162     cd $depth
4163 ],[LN_S='$LN_S'])
4164
4165 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4166 [   depth=../../../..
4167     case $srcdir in
4168     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4169     .) reldir=$depth ;;
4170     *) reldir=$depth/$srcdir ;;
4171     esac
4172     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4173     cd runtime/etc/mono/2.0
4174     rm -f web.config
4175     $LN_S $reldir/data/net_2_0/web.config web.config
4176     cd $depth
4177 ],[LN_S='$LN_S'])
4178
4179 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4180 [   depth=../../..
4181     case $srcdir in
4182     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4183     .) reldir=$depth ;;
4184     *) reldir=$depth/$srcdir ;;
4185     esac
4186     $ac_aux_dir/install-sh -d runtime/etc/mono/
4187     cd runtime/etc/mono/
4188     rm -f browscap.ini
4189     $LN_S $reldir/data/browscap.ini browscap.ini
4190     cd $depth
4191 ],[LN_S='$LN_S'])
4192
4193 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4194 [   depth=../../../../..
4195     case $srcdir in
4196     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4197     .) reldir=$depth ;;
4198     *) reldir=$depth/$srcdir ;;
4199     esac
4200     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4201     cd runtime/etc/mono/2.0/Browsers
4202     rm -f Compat.browser
4203     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4204     cd $depth
4205 ],[LN_S='$LN_S'])
4206
4207 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4208 [   depth=../../../../..
4209     case $srcdir in
4210     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4211     .) reldir=$depth ;;
4212     *) reldir=$depth/$srcdir ;;
4213     esac
4214     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4215     cd runtime/etc/mono/4.0/Browsers
4216     rm -f Compat.browser
4217     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4218     cd $depth
4219 ],[LN_S='$LN_S'])
4220
4221 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4222 [   depth=../../../../..
4223     case $srcdir in
4224     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4225     .) reldir=$depth ;;
4226     *) reldir=$depth/$srcdir ;;
4227     esac
4228     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4229     cd runtime/etc/mono/4.5/Browsers
4230     rm -f Compat.browser
4231     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4232     cd $depth
4233 ],[LN_S='$LN_S'])
4234
4235 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4236 [   depth=../../../..
4237     case $srcdir in
4238     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4239     .) reldir=$depth ;;
4240     *) reldir=$depth/$srcdir ;;
4241     esac
4242     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4243     cd runtime/etc/mono/4.0
4244     rm -f machine.config
4245     $LN_S $reldir/data/net_4_0/machine.config machine.config
4246     cd $depth
4247 ],[LN_S='$LN_S'])
4248
4249 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4250 [   depth=../../../..
4251     case $srcdir in
4252     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4253     .) reldir=$depth ;;
4254     *) reldir=$depth/$srcdir ;;
4255     esac
4256     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4257     cd runtime/etc/mono/4.0
4258     rm -f web.config
4259     $LN_S $reldir/data/net_4_0/web.config web.config
4260     cd $depth
4261 ],[LN_S='$LN_S'])
4262
4263 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4264 [   depth=../../../..
4265     case $srcdir in
4266     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4267     .) reldir=$depth ;;
4268     *) reldir=$depth/$srcdir ;;
4269     esac
4270     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4271     cd runtime/etc/mono/4.5
4272     rm -f machine.config
4273     $LN_S $reldir/data/net_4_5/machine.config machine.config
4274     cd $depth
4275 ],[LN_S='$LN_S'])
4276
4277 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4278 [   depth=../../../..
4279     case $srcdir in
4280     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4281     .) reldir=$depth ;;
4282     *) reldir=$depth/$srcdir ;;
4283     esac
4284     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4285     cd runtime/etc/mono/4.5
4286     rm -f web.config
4287     $LN_S $reldir/data/net_4_5/web.config web.config
4288     cd $depth
4289 ],[LN_S='$LN_S'])
4290
4291 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])
4292 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])
4293
4294 AC_OUTPUT([
4295 Makefile
4296 mono-uninstalled.pc
4297 acceptance-tests/Makefile
4298 llvm/Makefile
4299 scripts/mono-find-provides
4300 scripts/mono-find-requires
4301 mono/Makefile
4302 mono/btls/Makefile
4303 mono/utils/Makefile
4304 mono/metadata/Makefile
4305 mono/dis/Makefile
4306 mono/cil/Makefile
4307 mono/arch/Makefile
4308 mono/arch/x86/Makefile
4309 mono/arch/amd64/Makefile
4310 mono/arch/ppc/Makefile
4311 mono/arch/sparc/Makefile
4312 mono/arch/s390x/Makefile
4313 mono/arch/arm/Makefile
4314 mono/arch/arm64/Makefile
4315 mono/arch/ia64/Makefile
4316 mono/arch/mips/Makefile
4317 mono/sgen/Makefile
4318 mono/tests/Makefile
4319 mono/tests/tests-config
4320 mono/tests/assemblyresolve/Makefile
4321 mono/tests/gc-descriptors/Makefile
4322 mono/unit-tests/Makefile
4323 mono/benchmark/Makefile
4324 mono/io-layer/Makefile
4325 mono/mini/Makefile
4326 mono/profiler/Makefile
4327 m4/Makefile
4328 ikvm-native/Makefile
4329 scripts/Makefile
4330 man/Makefile
4331 docs/Makefile
4332 data/Makefile
4333 data/net_2_0/Makefile
4334 data/net_4_0/Makefile
4335 data/net_4_5/Makefile
4336 data/net_2_0/Browsers/Makefile
4337 data/net_4_0/Browsers/Makefile
4338 data/net_4_5/Browsers/Makefile
4339 data/mint.pc
4340 data/mono-2.pc
4341 data/monosgen-2.pc
4342 data/mono.pc
4343 data/mono-cairo.pc
4344 data/mono-nunit.pc
4345 data/mono-options.pc
4346 data/mono-lineeditor.pc
4347 data/monodoc.pc
4348 data/dotnet.pc
4349 data/dotnet35.pc
4350 data/wcf.pc
4351 data/cecil.pc
4352 data/system.web.extensions_1.0.pc
4353 data/system.web.extensions.design_1.0.pc
4354 data/system.web.mvc.pc
4355 data/system.web.mvc2.pc
4356 data/system.web.mvc3.pc
4357 data/aspnetwebstack.pc
4358 data/reactive.pc
4359 samples/Makefile
4360 support/Makefile
4361 data/config
4362 tools/Makefile
4363 tools/locale-builder/Makefile
4364 tools/sgen/Makefile
4365 tools/monograph/Makefile
4366 tools/pedump/Makefile
4367 runtime/Makefile
4368 msvc/Makefile
4369 po/Makefile
4370 ])
4371
4372 # Update all submodules recursively to ensure everything is checked out
4373 $srcdir/scripts/update_submodules
4374
4375 if test x$host_win32 = xyes; then
4376    # Get rid of 'cyg' prefixes in library names
4377    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4378    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4379    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4380    # executable doesn't work...
4381    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4382 fi
4383
4384 if test x$host_darwin = xyes; then
4385    # This doesn't seem to be required and it slows down parallel builds
4386    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4387 fi
4388
4389 (
4390   case $prefix in
4391   NONE) prefix=$ac_default_prefix ;;
4392   esac
4393   case $exec_prefix in
4394   NONE) exec_prefix='${prefix}' ;;
4395   esac
4396
4397   #
4398   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4399   # any existing config.make.  This allows people to share the same source tree
4400   # with different build directories, one native and one cross
4401   #
4402   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4403
4404     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4405
4406     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4407     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4408     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4409     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4410     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4411     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4412     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4413     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4414     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4415
4416     case $INSTALL in
4417     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4418     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4419     esac
4420
4421     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4422
4423     export VERSION
4424     [myver=$($AWK 'BEGIN {
4425       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4426       if(length(vsplit [1]) > 4) {
4427         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4428       }
4429       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4430     }')]
4431
4432     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4433
4434     if test x$host_darwin = xyes; then
4435       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4436     fi
4437
4438     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4439       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4440     fi
4441
4442         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4443            enable_system_aot=yes
4444         fi
4445
4446     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4447       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4448     fi
4449
4450     if test x$DISABLE_MCS_DOCS = xyes; then
4451       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4452     fi
4453
4454     if test x$has_extension_module != xno; then
4455         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4456     fi
4457
4458     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4459
4460     if test "x$test_bcl_opt" = "xyes"; then
4461       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4462     fi
4463
4464     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4465
4466     if test $csc_compiler = mcs; then
4467       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4468     fi
4469
4470     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4471       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4472       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4473     fi
4474
4475     if test "x$enable_btls" = "xyes"; then
4476       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4477       if test "x$enable_dynamic_btls" = "xyes"; then
4478         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4479       fi
4480     fi
4481
4482   fi
4483
4484 )
4485
4486 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4487
4488 btls_platform_string=
4489 if test x$enable_btls = xyes; then
4490         if test x$btls_android = xyes; then
4491                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4492         else
4493                 btls_platform_string=" ($BTLS_PLATFORM)"
4494         fi
4495 fi
4496
4497 echo "
4498         mcs source:    $mcsdir
4499         C# Compiler:   $csc_compiler
4500
4501    Engine:
4502         Host:          $host
4503         Target:        $target
4504         GC:            $gc_msg
4505         TLS:           $with_tls
4506         SIGALTSTACK:   $with_sigaltstack
4507         Engine:        $jit_status
4508         BigArrays:     $enable_big_arrays
4509         DTrace:        $enable_dtrace
4510         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4511
4512    Libraries:
4513         .NET 4.x:        $with_profile4_x
4514         Xamarin.Android: $with_monodroid
4515         Xamarin.iOS:     $with_monotouch
4516         Xamarin.WatchOS: $with_monotouch_watch
4517         Xamarin.TVOS:    $with_monotouch_tv
4518         Xamarin.Mac:     $with_xammac
4519         Windows AOT:     $with_winaot
4520         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4521         JNI support:     $jdk_headers_found
4522         libgdiplus:      $libgdiplus_msg
4523         zlib:            $zlib_msg
4524         BTLS:            $enable_btls$btls_platform_string
4525         $disabled
4526 "
4527 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4528    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4529 fi