configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.1],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 if test -z "$HOST_WIN32_TRUE"; then :
 383 PLATFORM_AOT_SUFFIX=.dll
 384 fi
 385
 386 AC_SUBST(PLATFORM_AOT_SUFFIX)
 387
 388 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 389
 390 AC_CHECK_TOOL(CC, gcc, gcc)
 391 AC_PROG_CC
 392 AC_CHECK_TOOL(CXX, g++, g++)
 393 AC_PROG_CXX
 394 AM_PROG_AS
 395 AC_PROG_INSTALL
 396 AC_PROG_AWK
 397 AM_PROG_CC_C_O
 398 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 399 : ${CCAS='$(CC)'}
 400 # Set ASFLAGS if not already set.
 401 : ${CCASFLAGS='$(CFLAGS)'}
 402 AC_SUBST(CCAS)
 403 AC_SUBST(CCASFLAGS)
 404
 405 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 406 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 407 if test "x$CXX" = "xg++"; then
 408         if test "x$GXX" != "xyes"; then
 409                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 410                 # are inside automake conditionals
 411                 AC_MSG_ERROR([You need to install g++])
 412         fi
 413 fi
 414
 415 dnl may require a specific autoconf version
 416 dnl AC_PROG_CC_FOR_BUILD
 417 dnl CC_FOR_BUILD not automatically detected
 418 CC_FOR_BUILD=$CC
 419 CFLAGS_FOR_BUILD=$CFLAGS
 420 BUILD_EXEEXT=
 421 if test "x$cross_compiling" = "xyes"; then
 422         CC_FOR_BUILD=cc
 423         CFLAGS_FOR_BUILD=
 424         BUILD_EXEEXT=""
 425 fi
 426 AC_SUBST(CC_FOR_BUILD)
 427 AC_SUBST(CFLAGS_FOR_BUILD)
 428 AC_SUBST(HOST_CC)
 429 AC_SUBST(BUILD_EXEEXT)
 430
 431 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 432 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 433
 434 # Set STDC_HEADERS
 435 AC_HEADER_STDC
 436 AC_LIBTOOL_WIN32_DLL
 437 # This causes monodis to not link correctly
 438 #AC_DISABLE_FAST_INSTALL
 439
 440 #lookup makedev() header
 441 AC_HEADER_MAJOR
 442
 443 AM_PROG_LIBTOOL
 444 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 445 DOLT
 446
 447 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 448 AC_SUBST(export_ldflags)
 449
 450 # Test whenever ld supports -version-script
 451 AC_PROG_LD
 452 AC_PROG_LD_GNU
 453
 454 AM_ICONV()
 455
 456 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 457 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 458 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 459                   [], [], [#include <stddef.h>
 460                   #include <sys/socket.h>
 461                   #include <linux/socket.h>])
 462
 463 AC_CHECK_HEADERS(sys/user.h, [], [],
 464 [
 465 #ifdef HAVE_SYS_PARAM_H
 466 # include <sys/param.h>
 467 #endif
 468 ])
 469
 470 AC_CHECK_HEADERS(linux/serial.h)
 471
 472 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 473 if test x$have_zlib = xyes; then
 474    AC_TRY_COMPILE([#include <zlib.h>], [
 475    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 476    return 0;
 477    #else
 478    #error No good zlib found
 479    #endif
 480    ],[
 481         AC_MSG_RESULT(Using system zlib)
 482         zlib_msg="system zlib"
 483         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 484    ],[
 485         AC_MSG_RESULT(Using embedded zlib)
 486         have_zlib=no
 487         zlib_msg="bundled zlib"
 488    ])
 489 fi
 490
 491 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 492 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 493
 494 # for mono/metadata/debug-symfile.c
 495 AC_CHECK_HEADERS(elf.h)
 496
 497 # for support
 498 AC_CHECK_HEADERS(poll.h)
 499 AC_CHECK_HEADERS(sys/poll.h)
 500 AC_CHECK_HEADERS(sys/wait.h)
 501 AC_CHECK_HEADERS(grp.h)
 502 AC_CHECK_HEADERS(syslog.h)
 503
 504 # for mono/dis
 505 AC_CHECK_HEADERS(wchar.h)
 506 AC_CHECK_HEADERS(ieeefp.h)
 507 AC_MSG_CHECKING(for isinf)
 508 AC_TRY_LINK([#include <math.h>], [
 509         int f = isinf (1.0);
 510 ], [
 511         AC_MSG_RESULT(yes)
 512         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 513 ], [
 514         # We'll have to use signals
 515         AC_MSG_RESULT(no)
 516 ])
 517 # mingw
 518 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 519         AC_TRY_LINK([#include <math.h>],
 520         [ _finite(0.0); ],
 521         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 522         AC_MSG_RESULT(no)))
 523
 524 # for Linux statfs support
 525 AC_CHECK_HEADERS(linux/magic.h)
 526
 527 # not 64 bit clean in cross-compile
 528 AC_CHECK_SIZEOF(void *, 4)
 529
 530 AC_CACHE_CHECK([for clang],
 531         mono_cv_clang,[
 532         AC_TRY_COMPILE([], [
 533                 #ifdef __clang__
 534                 #else
 535                 #error "FAILED"
 536                 #endif
 537                 return 0;
 538         ],
 539         [mono_cv_clang=yes],
 540         [mono_cv_clang=no],
 541         [])
 542 ])
 543
 544 AC_ARG_ENABLE(visibility-hidden,
 545 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 546    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 547
 548 WARN=''
 549 if test x"$GCC" = xyes; then
 550         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 551
 552                 # We require C99 with some GNU extensions, e.g. `linux` macro
 553                 CFLAGS="$CFLAGS -std=gnu99"
 554
 555                 # The runtime code does not respect ANSI C strict aliasing rules
 556                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 557
 558                 # We rely on signed overflow to behave
 559                 CFLAGS="$CFLAGS -fwrapv"
 560
 561                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 562                 if test x"$disable_visibility_hidden" = xno; then
 563                    # Don't export any symbols by default
 564                    SHARED_CFLAGS="-fvisibility=hidden"
 565                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 566                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 567                 fi
 568
 569                 ORIG_CFLAGS=$CFLAGS
 570                 # Check for the normal version, since gcc ignores unknown -Wno options
 571                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 572                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 573                 AC_TRY_COMPILE([],[
 574                                 return 0;
 575                 ], [
 576                    AC_MSG_RESULT(yes)
 577                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 578                 ], [
 579                    AC_MSG_RESULT(no)
 580                    CFLAGS=$ORIG_CFLAGS
 581                 ])
 582
 583                 if test "x$mono_cv_clang" = "xyes"; then
 584                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 585                    WARN="$WARN -Qunused-arguments"
 586                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 587                    # We rely on zero length arrays in structs
 588                    WARN="$WARN -Wno-zero-length-array"
 589                 fi
 590 else
 591         # The Sun Forte compiler complains about inline functions that access static variables
 592         # so disable all inlining.
 593         case "$host" in
 594         *-*-solaris*)
 595                 CFLAGS="$CFLAGS -Dinline="
 596                 ;;
 597         esac
 598 fi
 599 CFLAGS="$CFLAGS -g $WARN"
 600 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 601 CPPFLAGS="$CPPFLAGS -g $WARN"
 602
 603 # Where's the 'mcs' source tree?
 604 if test -d $srcdir/mcs; then
 605   mcsdir=mcs
 606 else
 607   mcsdir=../mcs
 608 fi
 609
 610 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 611         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 612                 mcsdir=$with_mcs_path
 613         fi
 614 )
 615
 616 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 617
 618 #
 619 # A sanity check to catch cases where the package was unpacked
 620 # with an ancient tar program (Solaris)
 621 #
 622 AC_ARG_ENABLE(solaris-tar-check,
 623 [  --disable-solaris-tar-check    disable solaris tar check],
 624    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 625
 626 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 627         AC_MSG_CHECKING(integrity of package)
 628         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 629         then
 630                 AC_MSG_RESULT(ok)
 631         else
 632                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 633                 AC_MSG_ERROR([$errorm])
 634         fi
 635 fi
 636
 637 if test "x$with_mcs_path" != "x"; then
 638 mcs_topdir=$(cd "$mcsdir" && pwd)
 639 mcs_topdir_from_srcdir=$mcs_topdir
 640 else
 641 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 642 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 643 fi
 644
 645 # Convert mcs_topdir* paths to Windows syntax.
 646 if test x$cross_compiling$host_win32 = xnoyes; then
 647   mcs_topdir=$(cygpath -m $mcs_topdir)
 648   case $mcs_topdir_from_srcdir in
 649     /cygdrive/*)
 650         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 651         ;;
 652   esac
 653 fi
 654
 655 AC_SUBST([mcs_topdir])
 656 AC_SUBST([mcs_topdir_from_srcdir])
 657
 658 # gettext: prepare the translation directories.
 659 # we do not configure the full gettext, as we consume it dynamically from C#
 660 AM_PO_SUBDIRS
 661
 662 if test "x$USE_NLS" = "xyes"; then
 663    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 664
 665    if test "x$HAVE_MSGFMT" = "xno"; then
 666           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 667    fi
 668 fi
 669
 670 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 671
 672 pkg_config_path=
 673 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 674         if test x$with_crosspkgdir = "x"; then
 675                 if test -s $PKG_CONFIG_PATH; then
 676                         pkg_config_path=$PKG_CONFIG_PATH
 677                 fi
 678         else
 679                 pkg_config_path=$with_crosspkgdir
 680                 PKG_CONFIG_PATH=$pkg_config_path
 681                 export PKG_CONFIG_PATH
 682         fi
 683 )
 684
 685 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 686 if test x$werror_flag = xyes; then
 687         WERROR_CFLAGS="-Werror"
 688 fi
 689 AC_SUBST([WERROR_CFLAGS])
 690 AC_SUBST([SHARED_CFLAGS])
 691
 692 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 693 AC_CONFIG_SUBDIRS(eglib)
 694
 695 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 696 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 697
 698 AC_SUBST(GLIB_CFLAGS)
 699 AC_SUBST(GLIB_LIBS)
 700
 701 # Enable support for fast thread-local storage
 702 # Some systems have broken support, so we allow to disable it.
 703 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 704
 705 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 706 # This does not work on some platforms (bug #55253)
 707 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 708
 709 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 710 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 711 # Same as --with-shared_mono=no
 712 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 713
 714 if test "x$enable_static" = "xno"; then
 715    with_static_mono=no
 716 fi
 717
 718 if test "x$enable_shared" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 if test "x$enable_libraries" = "xno"; then
 723    with_shared_mono=no
 724 fi
 725
 726 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 727
 728 case $host in
 729 *nacl* ) with_shared_mono=yes;;
 730 esac
 731
 732 if test "x$host_win32" = "xyes"; then
 733    # Boehm GC requires the runtime to be in its own dll
 734    with_static_mono=no
 735 fi
 736
 737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 740
 741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 744         ORIG_CFLAGS=$CFLAGS
 745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 747         AC_TRY_COMPILE([], [
 748                 return 0;
 749         ], [
 750            AC_MSG_RESULT(yes)
 751            # Pass it to libgc as well
 752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 753         ], [
 754            AC_MSG_RESULT(no)
 755            CFLAGS=$ORIG_CFLAGS
 756         ])
 757 fi
 758
 759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 760
 761 if test x$enable_small_config = xyes; then
 762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 764 fi
 765
 766 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 767
 768 DISABLED_FEATURES=none
 769 csc_compiler=default
 770 AC_MSG_CHECKING([CSharp compiler to use])
 771 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 772    if test x$withval = xmcs; then
 773        csc_compiler=mcs
 774    elif test x$withval = xroslyn; then
 775        csc_compiler=roslyn
 776    elif test x$withval = xdefault; then
 777        :
 778    else
 779        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 780    fi
 781 ],[csc_compiler=default])
 782
 783 AC_MSG_RESULT($csc_compiler)
 784
 785 #
 786 # Set the build profiles and options before things which use them
 787 #
 788
 789 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])
 790 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 791 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 792 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])
 793 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])
 794 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 795 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 796 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])
 797 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])
 798 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 799 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 800
 801
 802 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])
 803
 804 dnl
 805 dnl Profile defaults
 806 dnl
 807 TEST_PROFILE=default
 808 enable_llvm_default=no
 809
 810 with_profile4_x_default=no
 811 with_monodroid_default=no
 812 with_monotouch_default=no
 813 with_monotouch_watch_default=no
 814 with_monotouch_tv_default=no
 815 with_xammac_default=no
 816 with_testing_aot_hybrid_default=no
 817 with_testing_aot_full_default=no
 818 with_winaot_default=no
 819 with_orbis_default=no
 820
 821 with_bitcode_default=no
 822 with_cooperative_gc_default=no
 823
 824 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 825
 826 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 827    DISABLE_MCS_DOCS_default=yes
 828 elif test x$with_runtime_preset = xnet_4_x; then
 829    with_profile4_x_default=yes
 830 elif test x$with_runtime_preset = xall; then
 831    with_profile4_x_default=yes
 832    with_monodroid_default=yes
 833    with_monotouch_default=yes
 834    with_monotouch_watch_default=yes
 835    with_monotouch_tv_default=yes
 836    with_xammac_default=yes
 837    with_winaot_default=yes
 838    with_orbis_default=yes
 839 elif test x$with_runtime_preset = xfullaot; then
 840    DISABLE_MCS_DOCS_default=yes
 841    with_testing_aot_full_default=yes
 842    TEST_PROFILE=testing_aot_full
 843
 844    mono_feature_disable_com='yes'
 845    mono_feature_disable_remoting='yes'
 846    mono_feature_disable_reflection_emit_save='yes'
 847    mono_feature_disable_reflection_emit='yes'
 848    mono_feature_disable_appdomains='yes'
 849
 850    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 851
 852    AOT_RUN_FLAGS="--full-aot"
 853 elif test x$with_runtime_preset = xbitcode; then
 854    DISABLE_MCS_DOCS_default=yes
 855    with_testing_aot_full_default=yes
 856    with_bitcode_default=yes
 857    with_cooperative_gc_default=yes
 858    TEST_PROFILE=testing_aot_full
 859    enable_llvm_default=yes
 860
 861    mono_feature_disable_com='yes'
 862    mono_feature_disable_remoting='yes'
 863    mono_feature_disable_reflection_emit_save='yes'
 864    mono_feature_disable_reflection_emit='yes'
 865    mono_feature_disable_appdomains='yes'
 866
 867    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 868    AOT_RUN_FLAGS="--llvmonly"
 869 elif test x$with_runtime_preset = xhybridaot; then
 870    DISABLE_MCS_DOCS_default=yes
 871    with_testing_aot_hybrid_default=yes
 872    TEST_PROFILE=testing_aot_hybrid
 873
 874    mono_feature_disable_com='yes'
 875    mono_feature_disable_remoting='yes'
 876    mono_feature_disable_appdomains='yes'
 877
 878    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 879    AOT_RUN_FLAGS="--hybrid-aot"
 880 elif test x$with_runtime_preset = xaot; then
 881    with_profile4_x_default=yes
 882
 883    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 884    AOT_RUN_FLAGS=""
 885
 886    DISABLE_MCS_DOCS_default=yes
 887 elif test x$with_runtime_preset = xwinaot; then
 888    DISABLE_MCS_DOCS_default=yes
 889    with_winaot_default=yes
 890    TEST_PROFILE=winaot
 891
 892    mono_feature_disable_com='yes'
 893    mono_feature_disable_remoting='yes'
 894    mono_feature_disable_reflection_emit_save='yes'
 895    mono_feature_disable_reflection_emit='yes'
 896    mono_feature_disable_appdomains='yes'
 897
 898    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 899    AOT_RUN_FLAGS="--full-aot"
 900 elif test x$with_runtime_preset = xorbis; then
 901    DISABLE_MCS_DOCS_default=yes
 902    with_orbis_default=yes
 903    TEST_PROFILE=orbis
 904
 905    mono_feature_disable_com='yes'
 906    mono_feature_disable_remoting='yes'
 907    mono_feature_disable_reflection_emit_save='yes'
 908    mono_feature_disable_reflection_emit='yes'
 909    mono_feature_disable_appdomains='yes'
 910
 911    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 912    AOT_RUN_FLAGS="--full-aot"
 913 else
 914    with_profile4_x_default=yes
 915 fi
 916
 917 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 918    AC_SUBST(AOT_BUILD_FLAGS)
 919    AC_SUBST(AOT_RUN_FLAGS)
 920    # For llvmonlycheck + fullaotcheck
 921    AC_SUBST(INVARIANT_AOT_OPTIONS)
 922 fi
 923
 924 AC_SUBST(TEST_PROFILE)
 925
 926 if test "x$with_profile4_x" = "xdefault"; then
 927    with_profile4_x=$with_profile4_x_default
 928 fi
 929 if test "x$with_monodroid" = "xdefault"; then
 930    with_monodroid=$with_monodroid_default
 931 fi
 932 if test "x$with_monotouch" = "xdefault"; then
 933    with_monotouch=$with_monotouch_default
 934 fi
 935 if test "x$with_monotouch_watch" = "xdefault"; then
 936    with_monotouch_watch=$with_monotouch_watch_default
 937 fi
 938 if test "x$with_monotouch_tv" = "xdefault"; then
 939    with_monotouch_tv=$with_monotouch_tv_default
 940 fi
 941 if test "x$with_bitcode" = "xdefault"; then
 942    with_bitcode=$with_bitcode_default
 943 fi
 944 if test "x$with_xammac" = "xdefault"; then
 945    with_xammac=$with_xammac_default
 946 fi
 947 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 948    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 949 fi
 950 if test "x$with_testing_aot_full" = "xdefault"; then
 951    with_testing_aot_full=$with_testing_aot_full_default
 952 fi
 953 if test "x$with_winaot" = "xdefault"; then
 954    with_winaot=$with_winaot_default
 955 fi
 956 if test "x$with_orbis" = "xdefault"; then
 957    with_orbis=$with_orbis_default
 958 fi
 959
 960
 961 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 962 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 963 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 964 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 965 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 966 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 967 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 968 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 969 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 970 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 971 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 972 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
 973 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
 974
 975 default_profile=net_4_x
 976 if test -z "$INSTALL_MONODROID_TRUE"; then :
 977    default_profile=monodroid
 978 fi
 979 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 980    default_profile=monotouch
 981 fi
 982 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 983    default_profile=xammac
 984 fi
 985 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 986    default_profile=testing_aot_hybrid
 987 fi
 988 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 989    default_profile=testing_aot_full
 990 fi
 991 if test -z "$INSTALL_WINAOT_TRUE"; then :
 992    default_profile=winaot
 993 fi
 994 if test -z "$INSTALL_ORBIS_TRUE"; then :
 995    default_profile=orbis
 996 fi
 997 if test -z "$INSTALL_4_x_TRUE"; then :
 998    default_profile=net_4_x
 999 fi
1000 DEFAULT_PROFILE=$default_profile
1001 AC_SUBST(DEFAULT_PROFILE)
1002
1003 #
1004 # End build profile configuration
1005 #
1006
1007 if test x$USE_NLS = xprofile_default; then
1008
1009 if test x$host_darwin = xyes; then
1010 # We make the default value for USE_NLS
1011 # "no" on OSX because it isn't available on most
1012 # default OSX installs. The most common configurations will
1013 # all disable it, so this saves us typing.
1014   USE_NLS=no
1015   AC_SUBST([USE_NLS])
1016   AC_MSG_RESULT([$USE_NLS])
1017 else
1018   USE_NLS=yes
1019   AC_SUBST([USE_NLS])
1020   AC_MSG_RESULT([$USE_NLS])
1021 fi
1022
1023 fi
1024
1025 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1026      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1027      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1028          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1029 [
1030         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1031                 eval "mono_feature_disable_$feature='yes'"
1032         done
1033         DISABLED_FEATURES=$enable_minimal
1034         disabled="Disabled:      $enable_minimal"
1035 ],[])
1036
1037 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1038
1039 if test "x$mono_feature_disable_aot" = "xyes"; then
1040         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1041         enable_system_aot=no
1042         AC_MSG_NOTICE([Disabled AOT compiler])
1043 fi
1044
1045 if test "x$mono_feature_disable_profiler" = "xyes"; then
1046         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1047         AC_MSG_NOTICE([Disabled support for the profiler])
1048 fi
1049 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1050
1051 if test "x$mono_feature_disable_decimal" = "xyes"; then
1052         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1053         AC_MSG_NOTICE([Disabled support for decimal])
1054 fi
1055
1056 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1057         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1058         AC_MSG_NOTICE([Disabled support for P/Invoke])
1059 fi
1060
1061 if test "x$mono_feature_disable_debug" = "xyes"; then
1062         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1063         AC_MSG_NOTICE([Disabled support for runtime debugging])
1064 fi
1065
1066 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1067         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1068         mono_feature_disable_reflection_emit_save=yes
1069         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1070 fi
1071
1072 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1073         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1074         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1075 fi
1076
1077 if test "x$mono_feature_disable_large_code" = "xyes"; then
1078         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1079         AC_MSG_NOTICE([Disabled support for large assemblies])
1080 fi
1081
1082 if test "x$mono_feature_disable_logging" = "xyes"; then
1083         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1084         AC_MSG_NOTICE([Disabled support for logging])
1085 fi
1086
1087 if test "x$mono_feature_disable_com" = "xyes"; then
1088         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1089         AC_MSG_NOTICE([Disabled COM support])
1090 fi
1091
1092 if test "x$mono_feature_disable_ssa" = "xyes"; then
1093         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1094         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1095 fi
1096
1097 if test "x$mono_feature_disable_generics" = "xyes"; then
1098         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1099         AC_MSG_NOTICE([Disabled Generics Support])
1100 fi
1101
1102 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1103         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1104         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1105 fi
1106
1107 if test "x$mono_feature_disable_portability" = "xyes"; then
1108         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1109         AC_MSG_NOTICE([Disabled IO Portability layer])
1110 fi
1111
1112 if test "x$mono_feature_disable_attach" = "xyes"; then
1113         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1114         AC_MSG_NOTICE([Disabled agent attach])
1115 fi
1116
1117 if test "x$mono_feature_disable_verifier" = "xyes"; then
1118         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1119         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1120 fi
1121
1122 if test "x$mono_feature_disable_jit" = "xyes"; then
1123         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1124         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1125 fi
1126
1127 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1128
1129 if test "x$mono_feature_disable_simd" = "xyes"; then
1130         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1131         AC_MSG_NOTICE([Disabled SIMD support])
1132 fi
1133
1134 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1135         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1136         AC_MSG_NOTICE([Disabled Soft Debugger.])
1137 fi
1138
1139 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1140         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1141         AC_MSG_NOTICE([Disabled Performance Counters.])
1142 fi
1143 if test "x$mono_feature_disable_normalization" = "xyes"; then
1144         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1145         AC_MSG_NOTICE([Disabled String normalization support.])
1146 fi
1147
1148 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1149         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1150         AC_MSG_NOTICE([Disabled Assembly remapping.])
1151 fi
1152
1153 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1154         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1155         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1156 fi
1157
1158 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1159         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1160         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1161 fi
1162
1163 if test "x$mono_feature_disable_remoting" = "xyes"; then
1164         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1165         AC_MSG_NOTICE([Disabled remoting])
1166 fi
1167
1168 if test "x$mono_feature_disable_security" = "xyes"; then
1169         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1170         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1171 fi
1172
1173 if test "x$mono_feature_disable_lldb" = "xyes"; then
1174         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1175         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1176 fi
1177
1178 if test "x$mono_feature_disable_mdb" = "xyes"; then
1179         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1180         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1181 fi
1182
1183 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1184         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1185         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1186 fi
1187
1188 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1189         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1190         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1191 fi
1192
1193 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1194         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1195         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1196 fi
1197
1198 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1199         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1200         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1201 fi
1202
1203 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1204         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1205         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1206 fi
1207
1208 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1209 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1210
1211 has_extension_module=no
1212 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1213 [
1214         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1215                 if test x$extension = xdefault ; then
1216                         has_extension_module=yes;
1217                 fi
1218         done
1219         if test x$enable_extension_module = xyes; then
1220                 has_extension_module=yes;
1221         fi
1222 ], [])
1223
1224 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1225
1226 if test x$has_extension_module != xno ; then
1227         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1228         AC_MSG_NOTICE([Enabling mono extension module.])
1229 fi
1230
1231 # Deprecated
1232 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1233
1234 AC_MSG_CHECKING(for visibility __attribute__)
1235 AC_COMPILE_IFELSE([
1236         AC_LANG_SOURCE([[
1237                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1238                 int main () { doit (); return 0; }
1239         ]])
1240 ], [
1241    have_visibility_hidden=yes
1242    AC_MSG_RESULT(yes)
1243 ], [
1244    have_visibility_hidden=no
1245    AC_MSG_RESULT(no)
1246 ])
1247
1248 dnl
1249 dnl Boehm GC configuration
1250 dnl
1251
1252 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1253
1254 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1255 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1256
1257 if test "x$support_boehm" = "xyes"; then
1258
1259         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1260         if test x$enable_parallel_mark = xyes; then
1261                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1262         fi
1263
1264         gc_msg=""
1265         LIBGC_CPPFLAGS=
1266         LIBGC_LIBS=
1267         LIBGC_STATIC_LIBS=
1268         libgc_dir=
1269         case "x$libgc" in
1270                 xincluded)
1271                         if test "x$support_boehm" = "xyes"; then
1272                                 libgc_dir=libgc
1273                         fi
1274
1275                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1276                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1277                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1278
1279                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1280
1281                         if test x$target_win32 = xyes; then
1282                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1283                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1284                         fi
1285
1286                         gc_msg="Included Boehm GC with typed GC"
1287                         if test x$enable_parallel_mark = xyes; then
1288                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1289                                 gc_msg="$gc_msg and parallel mark"
1290                         else
1291                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1292                         fi
1293                         ;;
1294
1295                 xboehm|xbohem|xyes)
1296                         AC_MSG_WARN("External Boehm is no longer supported")
1297                         ;;
1298
1299                 xsgen)
1300                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1301                         ;;
1302
1303                 xnone)
1304                         AC_MSG_WARN("Compiling mono without GC.")
1305                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1306                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1307                         gc_msg="none"
1308                         ;;
1309                 *)
1310                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1311                         ;;
1312         esac
1313
1314         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1315         if test "x$large_heap" = "xyes"; then
1316            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1317         fi
1318
1319         AC_SUBST(LIBGC_CPPFLAGS)
1320         AC_SUBST(LIBGC_LIBS)
1321         AC_SUBST(LIBGC_STATIC_LIBS)
1322         AC_SUBST(libgc_dir)
1323         AC_SUBST(BOEHM_DEFINES)
1324
1325 fi
1326
1327 dnl
1328 dnl End of Boehm GC Configuration
1329 dnl
1330
1331 dnl *************************************
1332 dnl *** Checks for zero length arrays ***
1333 dnl *************************************
1334 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1335 AC_TRY_COMPILE([
1336         struct s {
1337                 int  length;
1338                 char data [0];
1339         };
1340 ], [], [
1341         AC_MSG_RESULT(yes)
1342         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1343 ], [
1344         AC_MSG_RESULT(no)
1345         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1346 ])
1347
1348 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1349
1350 dnl ***********************************
1351 dnl *** Checks for signals
1352 dnl ***********************************
1353 AC_CHECK_HEADERS(signal.h)
1354 AC_CHECK_FUNCS(sigaction)
1355 AC_CHECK_FUNCS(kill)
1356 AC_CHECK_FUNCS(signal)
1357
1358 # signal() is declared inline in Android headers
1359 # so we need to workaround it by overriding the check.
1360 if test x$platform_android = xyes; then
1361         AC_DEFINE(HAVE_SIGNAL,1)
1362 fi
1363
1364 if test x$host_win32 = xno; then
1365
1366         dnl hires monotonic clock support
1367         AC_SEARCH_LIBS(clock_gettime, rt)
1368         AC_CHECK_FUNCS(clock_nanosleep)
1369
1370         dnl dynamic loader support
1371         AC_CHECK_FUNC(dlopen, DL_LIB="",
1372                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1373         )
1374         if test x$dl_support = xno; then
1375                 AC_MSG_WARN([No dynamic loading support available])
1376         else
1377                 LIBS="$LIBS $DL_LIB"
1378                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1379                 dnl from glib's configure.ac
1380                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1381                         mono_cv_uscore,[
1382                         AC_TRY_RUN([#include <dlfcn.h>
1383                         int mono_underscore_test (void) { return 42; }
1384                         int main() {
1385                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1386                           handle = dlopen ((void*)0, 0);
1387                           if (handle) {
1388                             f1 = dlsym (handle, "mono_underscore_test");
1389                             f2 = dlsym (handle, "_mono_underscore_test");
1390                           } return (!f2 || f1);
1391                         }],
1392                                 [mono_cv_uscore=yes],
1393                                 [mono_cv_uscore=no],
1394                         [])
1395                 ])
1396                 if test "x$mono_cv_uscore" = "xyes"; then
1397                         MONO_DL_NEED_USCORE=1
1398                 else
1399                         MONO_DL_NEED_USCORE=0
1400                 fi
1401                 AC_SUBST(MONO_DL_NEED_USCORE)
1402                 AC_CHECK_FUNC(dlerror)
1403         fi
1404
1405         dnl ******************************************************************
1406         dnl *** Checks for the IKVM JNI interface library                  ***
1407         dnl ******************************************************************
1408         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])
1409
1410         ikvm_native_dir=
1411         if test x$with_ikvm_native = xyes; then
1412                 ikvm_native_dir=ikvm-native
1413                 jdk_headers_found="IKVM Native"
1414         fi
1415
1416         AC_SUBST(ikvm_native_dir)
1417
1418         AC_CHECK_HEADERS(execinfo.h)
1419
1420         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1421
1422         AC_CHECK_FUNCS(getgrgid_r)
1423         AC_CHECK_FUNCS(getgrnam_r)
1424         AC_CHECK_FUNCS(getpwnam_r)
1425         AC_CHECK_FUNCS(getpwuid_r)
1426         AC_CHECK_FUNCS(getresuid)
1427         AC_CHECK_FUNCS(setresuid)
1428         AC_CHECK_FUNCS(kqueue)
1429         AC_CHECK_FUNCS(backtrace_symbols)
1430         AC_CHECK_FUNCS(mkstemp)
1431         AC_CHECK_FUNCS(mmap)
1432         AC_CHECK_FUNCS(madvise)
1433         AC_CHECK_FUNCS(getrusage)
1434         AC_CHECK_FUNCS(getpriority)
1435         AC_CHECK_FUNCS(setpriority)
1436         AC_CHECK_FUNCS(dl_iterate_phdr)
1437         AC_CHECK_FUNCS(dladdr)
1438         AC_CHECK_FUNCS(sysconf)
1439         AC_CHECK_FUNCS(getrlimit)
1440         AC_CHECK_FUNCS(prctl)
1441
1442         AC_CHECK_FUNCS(sched_getaffinity)
1443         AC_CHECK_FUNCS(sched_setaffinity)
1444         AC_CHECK_FUNCS(sched_getcpu)
1445
1446         dnl ****************************************************************
1447         dnl *** Check for sched_setaffinity from glibc versions before   ***
1448         dnl *** 2.3.4. The older versions of the function only take 2    ***
1449         dnl *** parameters, not 3.                                       ***
1450         dnl ***                                                          ***
1451         dnl *** Because the interface change was not made in a minor     ***
1452         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1453         dnl *** won't always indicate the interface sched_affinity has.  ***
1454         dnl ****************************************************************
1455         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1456         AC_TRY_COMPILE([#include <sched.h>], [
1457             int mask = 1;
1458             sched_setaffinity(0, &mask);
1459                         return 0;
1460         ], [
1461                 # Yes, we have it...
1462                 AC_MSG_RESULT(yes)
1463                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1464         ], [
1465                 # We have the new, three-parameter version
1466                 AC_MSG_RESULT(no)
1467         ])
1468         AC_TRY_COMPILE([#include <sched.h>], [
1469              CPU_COUNT((void *) 0);
1470         ], [
1471                 AC_MSG_RESULT(yes)
1472                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1473         ], [
1474                 # We have the new, three-parameter version
1475                 AC_MSG_RESULT(no)
1476         ])
1477
1478         dnl ******************************************************************
1479         dnl *** Check for large file support                               ***
1480         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1481         dnl ******************************************************************
1482
1483         # Check that off_t can represent 2**63 - 1 correctly, working around
1484         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1485         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1486         large_offt=no
1487         AC_DEFUN([LARGE_FILES], [
1488                 large_CPPFLAGS=$CPPFLAGS
1489                 CPPFLAGS="$CPPFLAGS $1"
1490                 AC_TRY_COMPILE([
1491                         #include <sys/types.h>
1492                         #include <limits.h>
1493                 ], [
1494                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1495                         #define COMPILE_TIME_ASSERT(pred) \
1496                                 switch(0){case 0:case pred:;}
1497                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1498                 ], [
1499                         AC_MSG_RESULT(ok)
1500                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1501                         large_CPPFLAGS="$large_CPPFLAGS $1"
1502                         large_offt=yes
1503                 ], [
1504                         AC_MSG_RESULT(no)
1505                 ])
1506                 CPPFLAGS=$large_CPPFLAGS
1507         ])
1508
1509         AC_MSG_CHECKING(if off_t is 64 bits wide)
1510         LARGE_FILES("")
1511         if test $large_offt = no; then
1512                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1513                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1514         fi
1515         if test $large_offt = no; then
1516                 AC_MSG_WARN([No 64 bit file size support available])
1517         fi
1518
1519         dnl *****************************
1520         dnl *** Checks for libsocket  ***
1521         dnl *****************************
1522         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1523
1524         case "$host" in
1525                 *-*-*freebsd*)
1526                         dnl *****************************
1527                         dnl *** Checks for libinotify ***
1528                         dnl *****************************
1529                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1530         esac
1531
1532         dnl *******************************
1533         dnl *** Checks for MSG_NOSIGNAL ***
1534         dnl *******************************
1535         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1536         AC_TRY_COMPILE([#include <sys/socket.h>], [
1537                 int f = MSG_NOSIGNAL;
1538         ], [
1539                 # Yes, we have it...
1540                 AC_MSG_RESULT(yes)
1541                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1542         ], [
1543                 # We'll have to use signals
1544                 AC_MSG_RESULT(no)
1545         ])
1546
1547         dnl *****************************
1548         dnl *** Checks for IPPROTO_IP ***
1549         dnl *****************************
1550         AC_MSG_CHECKING(for IPPROTO_IP)
1551         AC_TRY_COMPILE([#include <netinet/in.h>], [
1552                 int level = IPPROTO_IP;
1553         ], [
1554                 # Yes, we have it...
1555                 AC_MSG_RESULT(yes)
1556                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1557         ], [
1558                 # We'll have to use getprotobyname
1559                 AC_MSG_RESULT(no)
1560         ])
1561
1562         dnl *******************************
1563         dnl *** Checks for IPPROTO_IPV6 ***
1564         dnl *******************************
1565         AC_MSG_CHECKING(for IPPROTO_IPV6)
1566         AC_TRY_COMPILE([#include <netinet/in.h>], [
1567                 int level = IPPROTO_IPV6;
1568         ], [
1569                 # Yes, we have it...
1570                 AC_MSG_RESULT(yes)
1571                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1572         ], [
1573                 # We'll have to use getprotobyname
1574                 AC_MSG_RESULT(no)
1575         ])
1576
1577         dnl ******************************
1578         dnl *** Checks for IPPROTO_TCP ***
1579         dnl ******************************
1580         AC_MSG_CHECKING(for IPPROTO_TCP)
1581         AC_TRY_COMPILE([#include <netinet/in.h>], [
1582                 int level = IPPROTO_TCP;
1583         ], [
1584                 # Yes, we have it...
1585                 AC_MSG_RESULT(yes)
1586                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1587         ], [
1588                 # We'll have to use getprotobyname
1589                 AC_MSG_RESULT(no)
1590         ])
1591
1592         dnl *****************************
1593         dnl *** Checks for SOL_IP     ***
1594         dnl *****************************
1595         AC_MSG_CHECKING(for SOL_IP)
1596         AC_TRY_COMPILE([#include <netdb.h>], [
1597                 int level = SOL_IP;
1598         ], [
1599                 # Yes, we have it...
1600                 AC_MSG_RESULT(yes)
1601                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1602         ], [
1603                 # We'll have to use getprotobyname
1604                 AC_MSG_RESULT(no)
1605         ])
1606
1607         dnl *****************************
1608         dnl *** Checks for SOL_IPV6     ***
1609         dnl *****************************
1610         AC_MSG_CHECKING(for SOL_IPV6)
1611         AC_TRY_COMPILE([#include <netdb.h>], [
1612                 int level = SOL_IPV6;
1613         ], [
1614                 # Yes, we have it...
1615                 AC_MSG_RESULT(yes)
1616                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1617         ], [
1618                 # We'll have to use getprotobyname
1619                 AC_MSG_RESULT(no)
1620         ])
1621
1622         dnl *****************************
1623         dnl *** Checks for SOL_TCP    ***
1624         dnl *****************************
1625         AC_MSG_CHECKING(for SOL_TCP)
1626         AC_TRY_COMPILE([#include <netdb.h>], [
1627                 int level = SOL_TCP;
1628         ], [
1629                 # Yes, we have it...
1630                 AC_MSG_RESULT(yes)
1631                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1632         ], [
1633                 # We'll have to use getprotobyname
1634                 AC_MSG_RESULT(no)
1635         ])
1636
1637         dnl *****************************
1638         dnl *** Checks for IP_PKTINFO ***
1639         dnl *****************************
1640         AC_MSG_CHECKING(for IP_PKTINFO)
1641         AC_TRY_COMPILE([#include <linux/in.h>], [
1642                 int level = IP_PKTINFO;
1643         ], [
1644                 # Yes, we have it...
1645                 AC_MSG_RESULT(yes)
1646                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1647         ], [
1648                 AC_MSG_RESULT(no)
1649         ])
1650
1651         dnl *****************************
1652         dnl *** Checks for IPV6_PKTINFO ***
1653         dnl *****************************
1654         AC_MSG_CHECKING(for IPV6_PKTINFO)
1655         AC_TRY_COMPILE([#include <netdb.h>], [
1656                 int level = IPV6_PKTINFO;
1657         ], [
1658                 # Yes, we have it...
1659                 AC_MSG_RESULT(yes)
1660                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1661         ], [
1662                 AC_MSG_RESULT(no)
1663         ])
1664
1665         dnl **********************************
1666         dnl *** Checks for IP_DONTFRAG     ***
1667         dnl **********************************
1668         AC_MSG_CHECKING(for IP_DONTFRAG)
1669         AC_TRY_COMPILE([#include <netinet/in.h>], [
1670                 int level = IP_DONTFRAG;
1671         ], [
1672                 # Yes, we have it...
1673                 AC_MSG_RESULT(yes)
1674                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1675         ], [
1676                 AC_MSG_RESULT(no)
1677         ])
1678
1679         dnl **********************************
1680         dnl *** Checks for IP_DONTFRAGMENT ***
1681         dnl **********************************
1682         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1683         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1684                 int level = IP_DONTFRAGMENT;
1685         ], [
1686                 # Yes, we have it...
1687                 AC_MSG_RESULT(yes)
1688                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1689         ], [
1690                 AC_MSG_RESULT(no)
1691         ])
1692
1693         dnl **********************************
1694         dnl *** Checks for IP_MTU_DISCOVER ***
1695         dnl **********************************
1696         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1697         AC_TRY_COMPILE([#include <linux/in.h>], [
1698                 int level = IP_MTU_DISCOVER;
1699         ], [
1700                 # Yes, we have it...
1701                 AC_MSG_RESULT(yes)
1702                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1703         ], [
1704                 AC_MSG_RESULT(no)
1705         ])
1706
1707         dnl **********************************
1708         dnl *** Checks for  IP_PMTUDISC_DO ***
1709         dnl **********************************
1710         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1711         AC_TRY_COMPILE([#include <linux/in.h>], [
1712                 int level = IP_PMTUDISC_DO;
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl *********************************
1722         dnl *** Check for struct ip_mreqn ***
1723         dnl *********************************
1724         AC_MSG_CHECKING(for struct ip_mreqn)
1725         AC_TRY_COMPILE([#include <netinet/in.h>], [
1726                 struct ip_mreqn mreq;
1727                 mreq.imr_address.s_addr = 0;
1728         ], [
1729                 # Yes, we have it...
1730                 AC_MSG_RESULT(yes)
1731                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1732         ], [
1733                 # We'll just have to try and use struct ip_mreq
1734                 AC_MSG_RESULT(no)
1735                 AC_MSG_CHECKING(for struct ip_mreq)
1736                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1737                         struct ip_mreq mreq;
1738                         mreq.imr_interface.s_addr = 0;
1739                 ], [
1740                         # Yes, we have it...
1741                         AC_MSG_RESULT(yes)
1742                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1743                 ], [
1744                         # No multicast support
1745                         AC_MSG_RESULT(no)
1746                 ])
1747         ])
1748
1749         dnl **********************************
1750         dnl *** Check for getaddrinfo ***
1751         dnl **********************************
1752         AC_MSG_CHECKING(for getaddrinfo)
1753                 AC_TRY_LINK([
1754                 #include <stdio.h>
1755                 #include <netdb.h>
1756         ], [
1757                 getaddrinfo(NULL,NULL,NULL,NULL);
1758         ], [
1759                 # Yes, we have it...
1760                 AC_MSG_RESULT(yes)
1761                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1762         ], [
1763                 AC_MSG_RESULT(no)
1764         ])
1765
1766         dnl **********************************
1767         dnl *** Check for gethostbyname2_r ***
1768         dnl **********************************
1769         AC_MSG_CHECKING(for gethostbyname2_r)
1770                 AC_TRY_LINK([
1771                 #include <stdio.h>
1772                 #include <netdb.h>
1773         ], [
1774
1775                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1776         ], [
1777                 # Yes, we have it...
1778                 AC_MSG_RESULT(yes)
1779                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1780         ], [
1781                 AC_MSG_RESULT(no)
1782         ])
1783
1784         dnl **********************************
1785         dnl *** Check for gethostbyname2 ***
1786         dnl **********************************
1787         AC_MSG_CHECKING(for gethostbyname2)
1788                 AC_TRY_LINK([
1789                 #include <stdio.h>
1790                 #include <netdb.h>
1791         ], [
1792                 gethostbyname2(NULL,0);
1793         ], [
1794                 # Yes, we have it...
1795                 AC_MSG_RESULT(yes)
1796                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1797         ], [
1798                 AC_MSG_RESULT(no)
1799         ])
1800
1801         dnl **********************************
1802         dnl *** Check for gethostbyname ***
1803         dnl **********************************
1804         AC_MSG_CHECKING(for gethostbyname)
1805                 AC_TRY_LINK([
1806                 #include <stdio.h>
1807                 #include <netdb.h>
1808         ], [
1809                 gethostbyname(NULL);
1810         ], [
1811                 # Yes, we have it...
1812                 AC_MSG_RESULT(yes)
1813                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1814         ], [
1815                 AC_MSG_RESULT(no)
1816         ])
1817
1818         dnl **********************************
1819         dnl *** Check for getprotobyname ***
1820         dnl **********************************
1821         AC_MSG_CHECKING(for getprotobyname)
1822                 AC_TRY_LINK([
1823                 #include <stdio.h>
1824                 #include <netdb.h>
1825         ], [
1826                 getprotobyname(NULL);
1827         ], [
1828                 # Yes, we have it...
1829                 AC_MSG_RESULT(yes)
1830                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1831         ], [
1832                 AC_MSG_RESULT(no)
1833         ])
1834
1835         dnl **********************************
1836         dnl *** Check for getnameinfo ***
1837         dnl **********************************
1838         AC_MSG_CHECKING(for getnameinfo)
1839                 AC_TRY_LINK([
1840                 #include <stdio.h>
1841                 #include <netdb.h>
1842         ], [
1843                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1844         ], [
1845                 # Yes, we have it...
1846                 AC_MSG_RESULT(yes)
1847                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1848         ], [
1849                 AC_MSG_RESULT(no)
1850         ])
1851
1852
1853         dnl **********************************
1854         dnl *** Check for inet_ntop ***
1855         dnl **********************************
1856         AC_MSG_CHECKING(for inet_ntop)
1857                 AC_TRY_LINK([
1858                 #include <stdio.h>
1859                 #include <arpa/inet.h>
1860         ], [
1861                 inet_ntop (0, NULL, NULL, 0);
1862         ], [
1863                 # Yes, we have it...
1864                 AC_MSG_RESULT(yes)
1865                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1866         ], [
1867                 AC_MSG_RESULT(no)
1868         ])
1869
1870         dnl *****************************
1871         dnl *** Checks for libnsl     ***
1872         dnl *****************************
1873         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1874
1875         AC_CHECK_FUNCS(inet_pton inet_aton)
1876
1877         dnl *****************************
1878         dnl *** Checks for libxnet    ***
1879         dnl *****************************
1880         case "${host}" in
1881                 *solaris* )
1882                         AC_MSG_CHECKING(for Solaris XPG4 support)
1883                         if test -f /usr/lib/libxnet.so; then
1884                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1885                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1886                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1887                                 LIBS="$LIBS -lxnet"
1888                                 AC_MSG_RESULT(yes)
1889                         else
1890                                 AC_MSG_RESULT(no)
1891                         fi
1892
1893                         if test "$GCC" = "yes"; then
1894                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1895                         fi
1896                 ;;
1897         esac
1898
1899         dnl *****************************
1900         dnl *** Checks for libpthread ***
1901         dnl *****************************
1902 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1903 # and libpthread does not exist
1904 #
1905         case "${host}" in
1906                 *-*-*freebsd*)
1907                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1908                 ;;
1909                 *-*-*openbsd*)
1910                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1911                 ;;
1912                 *)
1913                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1914                 ;;
1915         esac
1916         AC_CHECK_HEADERS(pthread.h)
1917         AC_CHECK_HEADERS(pthread_np.h)
1918         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1919         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1920         AC_CHECK_FUNCS(pthread_kill)
1921         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1922         AC_TRY_COMPILE([ #include <pthread.h>], [
1923                 pthread_mutexattr_t attr;
1924                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1925         ], [
1926                 AC_MSG_RESULT(ok)
1927         ], [
1928                 AC_MSG_RESULT(no)
1929                 AC_ERROR(Posix system lacks support for recursive mutexes)
1930         ])
1931         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1932         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1933         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1934
1935         dnl **********************************
1936         dnl *** Check for mincore ***
1937         dnl **********************************
1938         AC_MSG_CHECKING(for mincore)
1939                 AC_TRY_LINK([
1940                 #include <stdio.h>
1941                 #include <sys/types.h>
1942                 #include <sys/mman.h>
1943         ], [
1944                 mincore(NULL, 0, NULL);
1945         ], [
1946                 # Yes, we have it...
1947                 AC_MSG_RESULT(yes)
1948                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1949         ], [
1950                 AC_MSG_RESULT(no)
1951         ])
1952
1953         dnl ***********************************
1954         dnl *** Checks for working __thread ***
1955         dnl ***********************************
1956         AC_MSG_CHECKING(for working __thread)
1957         if test "x$with_tls" != "x__thread"; then
1958                 AC_MSG_RESULT(disabled)
1959         elif test "x$cross_compiling" = "xyes"; then
1960                 AC_MSG_RESULT(cross compiling, assuming yes)
1961         else
1962                 AC_TRY_RUN([
1963                         #if defined(__APPLE__) && defined(__clang__)
1964                         #error "__thread does not currently work with clang on Mac OS X"
1965                         #endif
1966
1967                         #include <pthread.h>
1968                         __thread int i;
1969                         static int res1, res2;
1970
1971                         void thread_main (void *arg)
1972                         {
1973                                 i = arg;
1974                                 sleep (1);
1975                                 if (arg == 1)
1976                                         res1 = (i == arg);
1977                                 else
1978                                         res2 = (i == arg);
1979                         }
1980
1981                         int main () {
1982                                 pthread_t t1, t2;
1983
1984                                 i = 5;
1985
1986                                 pthread_create (&t1, NULL, thread_main, 1);
1987                                 pthread_create (&t2, NULL, thread_main, 2);
1988
1989                                 pthread_join (t1, NULL);
1990                                 pthread_join (t2, NULL);
1991
1992                                 return !(res1 + res2 == 2);
1993                         }
1994                 ], [
1995                                 AC_MSG_RESULT(yes)
1996                 ], [
1997                                 AC_MSG_RESULT(no)
1998                                 with_tls=pthread
1999                 ])
2000         fi
2001
2002         dnl **************************************
2003         dnl *** Checks for working sigaltstack ***
2004         dnl **************************************
2005         AC_MSG_CHECKING(for working sigaltstack)
2006         if test "x$with_sigaltstack" != "xyes"; then
2007                 AC_MSG_RESULT(disabled)
2008         elif test "x$cross_compiling" = "xyes"; then
2009                 AC_MSG_RESULT(cross compiling, assuming yes)
2010         else
2011                 AC_TRY_RUN([
2012                         #include <stdio.h>
2013                         #include <stdlib.h>
2014                         #include <unistd.h>
2015                         #include <signal.h>
2016                         #include <pthread.h>
2017                         #include <sys/wait.h>
2018                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2019                         #define SA_STACK SA_ONSTACK
2020                         #endif
2021                         static void
2022                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2023                         {
2024                                 exit (0);
2025                         }
2026
2027                         volatile char*__ptr = NULL;
2028                         static void *
2029                         loop (void *ignored)
2030                         {
2031                                 *__ptr = 0;
2032                                 return NULL;
2033                         }
2034
2035                         static void
2036                         child ()
2037                         {
2038                                 struct sigaction sa;
2039                         #ifdef __APPLE__
2040                                 stack_t sas;
2041                         #else
2042                                 struct sigaltstack sas;
2043                         #endif
2044                                 pthread_t id;
2045                                 pthread_attr_t attr;
2046
2047                                 sa.sa_sigaction = sigsegv_signal_handler;
2048                                 sigemptyset (&sa.sa_mask);
2049                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2050                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2051                                         perror ("sigaction");
2052                                         return;
2053                                 }
2054
2055                                 /* x86 darwin deliver segfaults using SIGBUS */
2056                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2057                                         perror ("sigaction");
2058                                         return;
2059                                 }
2060                                 sas.ss_sp = malloc (SIGSTKSZ);
2061                                 sas.ss_size = SIGSTKSZ;
2062                                 sas.ss_flags = 0;
2063                                 if (sigaltstack (&sas, NULL) == -1) {
2064                                         perror ("sigaltstack");
2065                                         return;
2066                                 }
2067
2068                                 pthread_attr_init (&attr);
2069                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2070                                         printf ("pthread_create\n");
2071                                         return;
2072                                 }
2073
2074                                 sleep (100);
2075                         }
2076
2077                         int
2078                         main ()
2079                         {
2080                                 pid_t son;
2081                                 int status;
2082                                 int i;
2083
2084                                 son = fork ();
2085                                 if (son == -1) {
2086                                         return 1;
2087                                 }
2088
2089                                 if (son == 0) {
2090                                         child ();
2091                                         return 0;
2092                                 }
2093
2094                                 for (i = 0; i < 300; ++i) {
2095                                         waitpid (son, &status, WNOHANG);
2096                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2097                                                 return 0;
2098                                         usleep (10000);
2099                                 }
2100
2101                                 kill (son, SIGKILL);
2102                                 return 1;
2103                         }
2104
2105                 ], [
2106                                 AC_MSG_RESULT(yes)
2107                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2108                 ], [
2109                                 with_sigaltstack=no
2110                                 AC_MSG_RESULT(no)
2111                 ])
2112         fi
2113
2114         dnl ********************************
2115         dnl *** Checks for semaphore lib ***
2116         dnl ********************************
2117         # 'Real Time' functions on Solaris
2118         # posix4 on Solaris 2.6
2119         # pthread (first!) on Linux
2120         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2121
2122         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2123         AC_CHECK_FUNCS(shm_open)
2124
2125         dnl ********************************
2126         dnl *** Checks for timezone stuff **
2127         dnl ********************************
2128         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2129                 AC_TRY_COMPILE([
2130                         #include <time.h>
2131                         ], [
2132                         struct tm tm;
2133                         tm.tm_gmtoff = 1;
2134                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2135         if test $ac_cv_struct_tm_gmtoff = yes; then
2136                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2137         else
2138                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2139                         AC_TRY_COMPILE([
2140                                 #include <time.h>
2141                         ], [
2142                                 timezone = 1;
2143                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2144                 if test $ac_cv_var_timezone = yes; then
2145                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2146                 else
2147                         AC_ERROR(unable to find a way to determine timezone)
2148                 fi
2149         fi
2150
2151         dnl *********************************
2152         dnl *** Checks for math functions ***
2153         dnl *********************************
2154         AC_SEARCH_LIBS(sqrtf, m)
2155         if test "x$has_broken_apple_cpp" != "xyes"; then
2156                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2157                         AC_TRY_LINK([#include <math.h>],
2158                         [ finite(0.0); ],
2159                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2160                         AC_MSG_RESULT(no)))
2161         fi
2162         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2163                 AC_TRY_LINK([#include <math.h>],
2164                 [ isfinite(0.0); ],
2165                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2166                 AC_MSG_RESULT(no)))
2167
2168         dnl ****************************************************************
2169         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2170         dnl *** have it in the library (duh))                            ***
2171         dnl ****************************************************************
2172         AC_CHECK_FUNCS(poll)
2173
2174         dnl *************************
2175         dnl *** Check for signbit ***
2176         dnl *************************
2177         AC_MSG_CHECKING(for signbit)
2178         AC_TRY_LINK([#include <math.h>], [
2179                 int s = signbit(1.0);
2180         ], [
2181                 AC_MSG_RESULT(yes)
2182                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2183         ], [
2184                 AC_MSG_RESULT(no)
2185         ])
2186
2187         dnl **********************************
2188         dnl *** epoll                      ***
2189         dnl **********************************
2190         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2191                 AC_CHECK_HEADERS(sys/epoll.h)
2192                 haveepoll=no
2193                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2194                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2195                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2196                 fi
2197         fi
2198
2199         havekqueue=no
2200
2201         AC_CHECK_HEADERS(sys/event.h)
2202         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2203
2204         dnl **************************************
2205         dnl * Darwin has a race that prevents us from using reliably:
2206         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2207         dnl * Since kqueue is mostly used for scaling large web servers,
2208         dnl * and very few folks run Mono on large web servers on OSX, falling
2209         dnl * back
2210         dnl **************************************
2211         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2212                 if test "x$host_darwin" = "xno"; then
2213                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2214                 fi
2215         fi
2216
2217         dnl ******************************
2218         dnl *** Checks for SIOCGIFCONF ***
2219         dnl ******************************
2220         AC_CHECK_HEADERS(sys/ioctl.h)
2221         AC_CHECK_HEADERS(net/if.h, [], [],
2222            [
2223            #ifdef HAVE_SYS_TYPES_H
2224            # include <sys/types.h>
2225            #endif
2226            #ifdef HAVE_SYS_SOCKET_H
2227            # include <sys/socket.h>
2228            #endif
2229            ])
2230         AC_MSG_CHECKING(for ifreq)
2231         AC_TRY_COMPILE([
2232                 #include <stdio.h>
2233                 #include <sys/ioctl.h>
2234                 #include <net/if.h>
2235                 ], [
2236                 struct ifconf ifc;
2237                 struct ifreq *ifr;
2238                 void *x;
2239                 ifc.ifc_len = 0;
2240                 ifc.ifc_buf = NULL;
2241                 x = (void *) &ifr->ifr_addr;
2242                 ],[
2243                         AC_MSG_RESULT(yes)
2244                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2245                 ], [
2246                         AC_MSG_RESULT(no)
2247                 ])
2248         dnl **********************************
2249         dnl ***     Checks for sin_len     ***
2250         dnl **********************************
2251         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2252         AC_TRY_COMPILE([
2253                 #include <netinet/in.h>
2254                 ], [
2255                 struct sockaddr_in saddr;
2256                 saddr.sin_len = sizeof (saddr);
2257                 ],[
2258                         AC_MSG_RESULT(yes)
2259                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2260                 ], [
2261                         AC_MSG_RESULT(no)
2262                 ])
2263         dnl **********************************
2264         dnl ***    Checks for sin6_len     ***
2265         dnl **********************************
2266         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2267         AC_TRY_COMPILE([
2268                 #include <netinet/in.h>
2269                 ], [
2270                 struct sockaddr_in6 saddr6;
2271                 saddr6.sin6_len = sizeof (saddr6);
2272                 ],[
2273                         AC_MSG_RESULT(yes)
2274                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2275                 ], [
2276                         AC_MSG_RESULT(no)
2277                 ])
2278         dnl **********************************
2279         dnl *** Check for getifaddrs       ***
2280         dnl **********************************
2281         AC_MSG_CHECKING(for getifaddrs)
2282                 AC_TRY_LINK([
2283                 #include <stdio.h>
2284                 #include <sys/types.h>
2285                 #include <sys/socket.h>
2286                 #include <ifaddrs.h>
2287         ], [
2288                 getifaddrs(NULL);
2289         ], [
2290                 # Yes, we have it...
2291                 AC_MSG_RESULT(yes)
2292                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2293         ], [
2294                 AC_MSG_RESULT(no)
2295         ])
2296         dnl **********************************
2297         dnl *** Check for if_nametoindex   ***
2298         dnl **********************************
2299         AC_MSG_CHECKING(for if_nametoindex)
2300                 AC_TRY_LINK([
2301                 #include <stdio.h>
2302                 #include <sys/types.h>
2303                 #include <sys/socket.h>
2304                 #include <net/if.h>
2305         ], [
2306                 if_nametoindex(NULL);
2307         ], [
2308                 # Yes, we have it...
2309                 AC_MSG_RESULT(yes)
2310                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2311         ], [
2312                 AC_MSG_RESULT(no)
2313         ])
2314
2315         dnl **********************************
2316         dnl *** Checks for MonoPosixHelper ***
2317         dnl **********************************
2318         AC_CHECK_HEADERS(checklist.h)
2319         AC_CHECK_HEADERS(pathconf.h)
2320         AC_CHECK_HEADERS(fstab.h)
2321         AC_CHECK_HEADERS(attr/xattr.h)
2322         AC_CHECK_HEADERS(sys/extattr.h)
2323         AC_CHECK_HEADERS(sys/sendfile.h)
2324         AC_CHECK_HEADERS(sys/statvfs.h)
2325         AC_CHECK_HEADERS(sys/statfs.h)
2326         AC_CHECK_HEADERS(sys/vfstab.h)
2327         AC_CHECK_HEADERS(sys/xattr.h)
2328         AC_CHECK_HEADERS(sys/mman.h)
2329         AC_CHECK_HEADERS(sys/param.h)
2330         AC_CHECK_HEADERS(sys/mount.h, [], [],
2331                 [
2332                 #ifdef HAVE_SYS_PARAM_H
2333                 # include <sys/param.h>
2334                 #endif
2335                 ])
2336         AC_CHECK_HEADERS(sys/mount.h)
2337         AC_CHECK_FUNCS(confstr)
2338         AC_CHECK_FUNCS(seekdir telldir)
2339         AC_CHECK_FUNCS(getdomainname)
2340         AC_CHECK_FUNCS(setdomainname)
2341         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2342         AC_CHECK_FUNCS(setgroups)
2343         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2344         AC_CHECK_FUNCS(getfsstat)
2345         AC_CHECK_FUNCS(lutimes futimes)
2346         AC_CHECK_FUNCS(mremap)
2347         AC_CHECK_FUNCS(remap_file_pages)
2348         AC_CHECK_FUNCS(posix_fadvise)
2349         AC_CHECK_FUNCS(posix_fallocate)
2350         AC_CHECK_FUNCS(posix_madvise)
2351         AC_CHECK_FUNCS(vsnprintf)
2352         AC_CHECK_FUNCS(sendfile)
2353         AC_CHECK_FUNCS(gethostid sethostid)
2354         AC_CHECK_FUNCS(sethostname)
2355         AC_CHECK_FUNCS(statfs)
2356         AC_CHECK_FUNCS(fstatfs)
2357         AC_CHECK_FUNCS(statvfs)
2358         AC_CHECK_FUNCS(fstatvfs)
2359         AC_CHECK_FUNCS(stime)
2360         AC_CHECK_FUNCS(strerror_r)
2361         AC_CHECK_FUNCS(ttyname_r)
2362         AC_CHECK_FUNCS(psignal)
2363         AC_CHECK_FUNCS(getlogin_r)
2364         AC_CHECK_FUNCS(lockf)
2365         AC_CHECK_FUNCS(swab)
2366         AC_CHECK_FUNCS(setusershell endusershell)
2367         AC_CHECK_FUNCS(futimens utimensat)
2368         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2369         AC_CHECK_FUNCS(readv writev preadv pwritev)
2370         AC_CHECK_FUNCS(setpgid)
2371         AC_CHECK_FUNCS(system)
2372         AC_CHECK_FUNCS(fork execv execve)
2373         AC_CHECK_FUNCS(accept4)
2374         AC_CHECK_SIZEOF(size_t)
2375         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2376                 [#include <sys/types.h>
2377                  #include <sys/stat.h>
2378                  #include <unistd.h>])
2379         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2380                 [#include <sys/types.h>
2381                  #include <sys/stat.h>
2382                  #include <unistd.h>])
2383         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2384                 [#include <sys/time.h>])
2385         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2386                 [#include <sys/socket.h>])
2387         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2388                 [#include <unistd.h>
2389                  #include <fcntl.h>])
2390         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2391                 [#include <sys/uio.h>])
2392         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2393                 [#include <sys/socket.h>])
2394         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2395                 [#include <sys/poll.h>])
2396         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2397                 [#include <sys/socket.h>])
2398         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2399                 [#include <sys/socket.h>])
2400         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2401                 [#include <netinet/in.h>])
2402         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2403                 [#include <netinet/in.h>])
2404         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2405                 [#include <sys/un.h>])
2406         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2407                 [#include <sys/types.h>
2408                  #include <sys/stat.h>
2409                  #include <unistd.h>])
2410         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2411                 [#include <time.h>])
2412         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2413                 [#include <sys/time.h>
2414                  #include <sys/types.h>
2415                  #include <utime.h>])
2416         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2417                 [#include <sys/time.h>])
2418         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2419                 [#include <sys/types.h>
2420                  #include <utime.h>])
2421         AC_CHECK_MEMBERS(
2422                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2423                 [#include <sys/types.h>
2424                  #include <dirent.h>])
2425         AC_CHECK_MEMBERS(
2426                 [struct passwd.pw_gecos],,,
2427                 [#include <sys/types.h>
2428                  #include <pwd.h>])
2429         AC_CHECK_MEMBERS(
2430                 [struct statfs.f_flags],,,
2431                 [#include <sys/types.h>
2432                  #include <sys/vfs.h>])
2433         AC_CHECK_MEMBERS(
2434                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2435                 [#include <sys/types.h>
2436                  #include <sys/stat.h>
2437                  #include <unistd.h>])
2438
2439         dnl Favour xattr through glibc, but use libattr if we have to
2440         AC_CHECK_FUNC(lsetxattr, ,
2441                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2442         )
2443         AC_SUBST(XATTR_LIB)
2444
2445         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2446         AC_CHECK_MEMBERS(
2447                 [struct kinfo_proc.kp_proc],,,
2448                 [#include <sys/types.h>
2449                  #include <sys/param.h>
2450                  #include <sys/sysctl.h>
2451                  #include <sys/proc.h>
2452                  ])
2453
2454         dnl *********************************
2455         dnl *** Checks for Windows compilation ***
2456         dnl *********************************
2457         AC_CHECK_HEADERS(sys/time.h)
2458         AC_CHECK_HEADERS(sys/param.h)
2459         AC_CHECK_HEADERS(dirent.h)
2460
2461         dnl ******************************************
2462         dnl *** Checks for OSX and iOS compilation ***
2463         dnl ******************************************
2464         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2465
2466         dnl *********************************
2467         dnl *** Check for Console 2.0 I/O ***
2468         dnl *********************************
2469         AC_CHECK_HEADERS([curses.h])
2470         AC_CHECK_HEADERS([term.h], [], [],
2471         [#if HAVE_CURSES_H
2472          #include <curses.h>
2473          #endif
2474         ])
2475         AC_CHECK_HEADERS([termios.h])
2476 else
2477         dnl *********************************
2478         dnl *** Checks for Windows compilation ***
2479         dnl *********************************
2480         AC_CHECK_HEADERS(winternl.h)
2481
2482         jdk_headers_found=no
2483         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2484         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2485         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2486         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2487         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2488         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2489         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2490
2491         dnl *********************************
2492         dnl *** Check for struct ip_mreqn ***
2493         dnl *********************************
2494         AC_MSG_CHECKING(for struct ip_mreqn)
2495         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2496                 struct ip_mreqn mreq;
2497                 mreq.imr_address.s_addr = 0;
2498         ], [
2499                 # Yes, we have it...
2500                 AC_MSG_RESULT(yes)
2501                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2502         ], [
2503                 # We'll just have to try and use struct ip_mreq
2504                 AC_MSG_RESULT(no)
2505                 AC_MSG_CHECKING(for struct ip_mreq)
2506                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2507                         struct ip_mreq mreq;
2508                         mreq.imr_interface.s_addr = 0;
2509                 ], [
2510                         # Yes, we have it...
2511                         AC_MSG_RESULT(yes)
2512                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2513                 ], [
2514                         # No multicast support
2515                         AC_MSG_RESULT(no)
2516                 ])
2517         ])
2518
2519         dnl **********************************
2520         dnl *** Check for getaddrinfo ***
2521         dnl **********************************
2522         AC_MSG_CHECKING(for getaddrinfo)
2523                 AC_TRY_LINK([
2524                 #include <stdio.h>
2525                 #include <winsock2.h>
2526                 #include <ws2tcpip.h>
2527         ], [
2528                 getaddrinfo(NULL,NULL,NULL,NULL);
2529         ], [
2530                 # Yes, we have it...
2531                 AC_MSG_RESULT(yes)
2532                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2533         ], [
2534                 AC_MSG_RESULT(no)
2535         ])
2536
2537         dnl **********************************
2538         dnl *** Check for gethostbyname ***
2539         dnl **********************************
2540         AC_MSG_CHECKING(for gethostbyname)
2541                 AC_TRY_LINK([
2542                 #include <stdio.h>
2543                 #include <winsock2.h>
2544                 #include <ws2tcpip.h>
2545         ], [
2546                 gethostbyname(NULL);
2547         ], [
2548                 # Yes, we have it...
2549                 AC_MSG_RESULT(yes)
2550                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2551         ], [
2552                 AC_MSG_RESULT(no)
2553         ])
2554
2555         dnl **********************************
2556         dnl *** Check for getprotobyname ***
2557         dnl **********************************
2558         AC_MSG_CHECKING(for getprotobyname)
2559                 AC_TRY_LINK([
2560                 #include <stdio.h>
2561                 #include <winsock2.h>
2562                 #include <ws2tcpip.h>
2563         ], [
2564                 getprotobyname(NULL);
2565         ], [
2566                 # Yes, we have it...
2567                 AC_MSG_RESULT(yes)
2568                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2569         ], [
2570                 AC_MSG_RESULT(no)
2571         ])
2572
2573         dnl **********************************
2574         dnl *** Check for getnameinfo ***
2575         dnl **********************************
2576         AC_MSG_CHECKING(for getnameinfo)
2577                 AC_TRY_LINK([
2578                 #include <stdio.h>
2579                 #include <winsock2.h>
2580                 #include <ws2tcpip.h>
2581         ], [
2582                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2583         ], [
2584                 # Yes, we have it...
2585                 AC_MSG_RESULT(yes)
2586                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2587         ], [
2588                 AC_MSG_RESULT(no)
2589         ])
2590
2591         dnl **********************************
2592         dnl *** Check for inet_ntop ***
2593         dnl **********************************
2594         AC_MSG_CHECKING(for inet_ntop)
2595                 AC_TRY_LINK([
2596                 #include <stdio.h>
2597                 #include <winsock2.h>
2598                 #include <ws2tcpip.h>
2599         ], [
2600                 inet_ntop (0, NULL, NULL, 0);
2601         ], [
2602                 # Yes, we have it...
2603                 AC_MSG_RESULT(yes)
2604                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2605         ], [
2606                 AC_MSG_RESULT(no)
2607         ])
2608
2609         dnl **********************************
2610         dnl *** Check for inet_pton ***
2611         dnl **********************************
2612         AC_MSG_CHECKING(for inet_pton)
2613                 AC_TRY_LINK([
2614                 #include <stdio.h>
2615                 #include <winsock2.h>
2616                 #include <ws2tcpip.h>
2617         ], [
2618                 #ifndef inet_pton
2619                 (void) inet_pton;
2620                 #endif
2621                 inet_pton (0, NULL, NULL);
2622         ], [
2623                 # Yes, we have it...
2624                 AC_MSG_RESULT(yes)
2625                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2626         ], [
2627                 AC_MSG_RESULT(no)
2628         ])
2629
2630         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2631         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2632         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2633         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2634         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2635         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2636         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2637 fi
2638
2639 dnl socklen_t check
2640 AC_MSG_CHECKING(for socklen_t)
2641 AC_TRY_COMPILE([
2642 #include <sys/types.h>
2643 #include <sys/socket.h>
2644 ],[
2645   socklen_t foo;
2646 ],[
2647 ac_cv_c_socklen_t=yes
2648         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2649         AC_MSG_RESULT(yes)
2650 ],[
2651         AC_MSG_RESULT(no)
2652 ])
2653
2654 AC_MSG_CHECKING(for array element initializer support)
2655 AC_TRY_COMPILE([#include <sys/socket.h>], [
2656         const int array[] = {[1] = 2,};
2657 ], [
2658         # Yes, we have it...
2659         AC_MSG_RESULT(yes)
2660         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2661 ], [
2662         # We'll have to use signals
2663         AC_MSG_RESULT(no)
2664 ])
2665
2666 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2667         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2668         AC_TRY_LINK([#include <math.h>],
2669         [ static void *p = &trunc; ],
2670         [
2671                 AC_DEFINE(HAVE_TRUNC)
2672                 AC_MSG_RESULT(yes)
2673                 ac_cv_trunc=yes
2674         ],
2675         AC_MSG_RESULT(no)))
2676
2677 if test "x$ac_cv_truncl" != "xyes"; then
2678    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2679 fi
2680
2681 AC_CHECK_FUNCS(execvp)
2682
2683 dnl ****************************
2684 dnl *** Look for /dev/random ***
2685 dnl ****************************
2686
2687 AC_MSG_CHECKING([if usage of random device is requested])
2688 AC_ARG_ENABLE(dev-random,
2689 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2690 try_dev_random=$enableval, try_dev_random=yes)
2691
2692 AC_MSG_RESULT($try_dev_random)
2693
2694 case "{$build}" in
2695     *-openbsd*)
2696     NAME_DEV_RANDOM="/dev/srandom"
2697     ;;
2698
2699 dnl Win32 does not have /dev/random, they have their own method...
2700
2701     *-mingw*|*-*-cygwin*)
2702     ac_cv_have_dev_random=no
2703     ;;
2704
2705 dnl Everywhere else, it's /dev/random
2706
2707     *)
2708     NAME_DEV_RANDOM="/dev/random"
2709     ;;
2710 esac
2711
2712 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2713
2714 dnl Now check if the device actually exists
2715
2716 if test "x$try_dev_random" = "xyes"; then
2717     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2718     [if test -r "$NAME_DEV_RANDOM" ; then
2719         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2720     if test "x$ac_cv_have_dev_random" = "xyes"; then
2721         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2722     fi
2723 else
2724     AC_MSG_CHECKING(for random device)
2725     ac_cv_have_dev_random=no
2726     AC_MSG_RESULT(has been disabled)
2727 fi
2728
2729 if test "x$host_win32" = "xyes"; then
2730     AC_DEFINE(HAVE_CRYPT_RNG)
2731 fi
2732
2733 if test "x$ac_cv_have_dev_random" = "xno" \
2734     && test "x$host_win32" = "xno"; then
2735     AC_MSG_WARN([[
2736 ***
2737 *** A system-provided entropy source was not found on this system.
2738 *** Because of this, the System.Security.Cryptography random number generator
2739 *** will throw a NotImplemented exception.
2740 ***
2741 *** If you are seeing this message, and you know your system DOES have an
2742 *** entropy collection in place, please contact <crichton@gimp.org> and
2743 *** provide information about the system and how to access the random device.
2744 ***
2745 *** Otherwise you can install either egd or prngd and set the environment
2746 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2747 ***]])
2748 fi
2749
2750 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2751
2752 AC_MSG_CHECKING([if big-arrays are to be enabled])
2753 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2754 if test "x$enable_big_arrays" = "xyes" ; then
2755     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2756         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2757     else
2758         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2759     fi
2760 fi
2761 AC_MSG_RESULT($enable_big_arrays)
2762
2763 dnl **************
2764 dnl *** DTRACE ***
2765 dnl **************
2766
2767 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2768
2769 if test "x$enable_dtrace" = "xyes"; then
2770    if test "x$has_dtrace" = "xno"; then
2771           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2772    fi
2773    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2774    if test "x$DTRACE" = "xno"; then
2775           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2776           enable_dtrace=no
2777    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2778           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2779           enable_dtrace=no
2780    fi
2781 fi
2782
2783 dtrace_g=no
2784 if test "x$enable_dtrace" = "xyes"; then
2785         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2786         DTRACEFLAGS=
2787         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2788                 case "$host" in
2789                         powerpc-*-darwin*)
2790                         DTRACEFLAGS="-arch ppc64"
2791                         ;;
2792                         i*86-*-darwin*)
2793                         DTRACEFLAGS="-arch x86_64"
2794                         ;;
2795                         *)
2796                         DTRACEFLAGS=-64
2797                         ;;
2798                 esac
2799         else
2800                 case "$host" in
2801                         powerpc-*-darwin*)
2802                         DTRACEFLAGS="-arch ppc"
2803                         ;;
2804                         i*86-*-darwin*)
2805                         DTRACEFLAGS="-arch i386"
2806                         ;;
2807                         *)
2808                         DTRACEFLAGS=-32
2809                         ;;
2810                 esac
2811         fi
2812         AC_SUBST(DTRACEFLAGS)
2813         case "$host" in
2814                 *-*-solaris*)
2815                 dtrace_g=yes
2816                 ;;
2817         esac
2818         AC_CHECK_HEADERS([sys/sdt.h])
2819 fi
2820 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2821 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2822
2823 dnl **************
2824 dnl ***  NaCl  ***
2825 dnl **************
2826
2827 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2828 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2829
2830 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2831
2832 dnl
2833 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2834 dnl
2835 nacl_self_host=""
2836 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2837    nacl_self_host="nacl_self_host"
2838 fi
2839 AC_SUBST(nacl_self_host)
2840
2841 if test "x$enable_nacl_codegen" = "xyes"; then
2842    MONO_NACL_ALIGN_MASK_OFF=1
2843    AC_DEFINE(TARGET_NACL, 1, [...])
2844    AC_DEFINE(__native_client_codegen__, 1, [...])
2845 fi
2846 if test "x$enable_nacl_gc" = "xyes"; then
2847    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2848       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2849    else
2850       # Not yet implemented
2851       INSTRUMENT_CFLAG=""
2852    fi
2853    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2854 fi
2855 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2856
2857 dnl **************************
2858 dnl *** AOT cross offsets  ***
2859 dnl **************************
2860
2861 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2862     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2863
2864 dnl **************
2865 dnl ***  LLVM  ***
2866 dnl **************
2867
2868 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2869 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2870 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2871 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2872
2873 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2874
2875 if test "x$enable_llvm" = "xdefault"; then
2876    enable_llvm=$enable_llvm_default
2877 fi
2878
2879 if test "x$enable_llvm" = "xyes"; then
2880    if test "x$with_llvm" != "x"; then
2881           LLVM_CONFIG=$with_llvm/bin/llvm-config
2882           if test x$host_win32 = xyes; then
2883                 LLVM_CONFIG=$LLVM_CONFIG.exe
2884           fi
2885           if test ! -x $LLVM_CONFIG; then
2886                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2887       fi
2888    else
2889       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2890       if test "x$LLVM_CONFIG" = "xno"; then
2891              AC_MSG_ERROR([llvm-config not found.])
2892       fi
2893    fi
2894
2895    llvm_codegen="x86codegen"
2896    case "$target" in
2897    arm*)
2898                 llvm_codegen="armcodegen"
2899                 ;;
2900    esac
2901
2902    if test "x$host_win32" = "xno"; then
2903
2904    # Should be something like '2.6' or '2.7svn'
2905    llvm_version=`$LLVM_CONFIG --version`
2906    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2907    AC_MSG_CHECKING(LLVM version)
2908    AC_MSG_RESULT($llvm_version $llvm_api_version)
2909    if echo $llvm_version | grep -q 'mono'; then
2910           if test "x$enable_llvm_version_check" = "xyes"; then
2911                  if test "$llvm_version" != "$expected_llvm_version"; then
2912                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2913                  fi
2914           fi
2915    else
2916           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.])
2917    fi
2918
2919    # The output of --cflags seems to include optimizations flags too
2920    if test $llvm_api_version -gt 100; then
2921           # The --cflags argument includes all kinds of warnings -pendantic etc.
2922           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2923           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2924    else
2925           LLVM_CFLAGS=`$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'`
2926       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2927    fi
2928    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2929    # from LLVM classes.
2930    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2931    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2932    # This might include empty lines
2933    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2934    llvm_jit_supported=yes
2935    llvm_jit_libs="jit mcjit $llvm_codegen"
2936    if test "x$host" != "x$target"; then
2937       # No need for jit libs
2938           llvm_jit_supported=no
2939       llvm_jit_libs=""
2940    elif test $llvm_api_version -gt 100; then
2941       llvm_jit_libs="orcjit $llvm_codegen"
2942    fi
2943    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2944    if test "x$LLVM_LIBS" = "x"; then
2945           echo "$LLVM_CONFIG --libs failed."
2946           exit 1
2947    fi
2948    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2949    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2950    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2951       LLVM_LIBS="$LLVM_LIBS -lc++"
2952    else
2953       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2954    fi
2955
2956    expected_llvm_version="3.4svn-mono-mono/e656cac"
2957
2958    else
2959        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2960        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2961        LLVM_LDFLAGS="-L$with_llvm/lib"
2962        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2963        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2964          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2965          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2966          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2967          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2968          -lLLVMAnalysis -lLLVMTarget \
2969          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2970          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2971          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2972          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2973          -lLLVMSupport -lstdc++"
2974        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2975
2976        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2977        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2978    fi
2979
2980    if test "x$llvm_api_version" = "x"; then
2981           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2982           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2983    else
2984           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2985           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2986    fi
2987
2988    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2989
2990    AC_SUBST(LLVM_CFLAGS)
2991    AC_SUBST(LLVM_CXXFLAGS)
2992    AC_SUBST(LLVM_LIBS)
2993    AC_SUBST(LLVM_LDFLAGS)
2994    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2995 fi
2996
2997 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2998 if test "x$enable_loadedllvm" = "xyes"; then
2999    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3000 fi
3001 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3002
3003 if test "x$enable_llvm" = "xyes"; then
3004    enable_llvm_runtime=yes
3005 fi
3006 if test "x$enable_llvm_runtime" = "xyes"; then
3007    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3008 fi
3009 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3010
3011 TARGET="unknown"
3012 ACCESS_UNALIGNED="yes"
3013
3014 LIBC="libc.so.6"
3015 INTL="libc.so.6"
3016 SQLITE="libsqlite.so.0"
3017 SQLITE3="libsqlite3.so.0"
3018 X11="libX11.so"
3019 GDKX11="libgdk-x11-2.0.so.0"
3020 GTKX11="libgtk-x11-2.0.so.0"
3021 XINERAMA="libXinerama.so.1"
3022
3023 sizeof_register="SIZEOF_VOID_P"
3024
3025 jit_wanted=true
3026 boehm_supported=true
3027 BTLS_SUPPORTED=no
3028 BTLS_PLATFORM=
3029 case "$host" in
3030         mips*)
3031                 TARGET=MIPS;
3032                 arch_target=mips;
3033                 with_tls=pthread;
3034                 ACCESS_UNALIGNED="no"
3035
3036                 AC_MSG_CHECKING(for mips n32)
3037                 AC_TRY_COMPILE([],[
3038                 #if _MIPS_SIM != _ABIN32
3039                 #error Not mips n32
3040                 #endif
3041                 return 0;
3042                 ],[
3043                 AC_MSG_RESULT(yes)
3044                 sizeof_register=8
3045                 ],[
3046                 AC_MSG_RESULT(no)
3047                 ])
3048                 ;;
3049         i*86-*-*)
3050                 TARGET=X86;
3051                 arch_target=x86;
3052                 case $host_os in
3053                   solaris*)
3054                         LIBC="libc.so"
3055                         INTL="libintl.so"
3056                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3057                                 TARGET=AMD64
3058                                 arch_target=amd64
3059                         fi
3060
3061                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3062                         # int astruct __attribute__ ((visibility ("hidden")));
3063                         # void foo ()
3064                         # {
3065                         #       void *p = &astruct;
3066                         # }
3067                         # gcc -fPIC --shared -o libfoo.so foo.c
3068                         # yields:
3069                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3070                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3071                         have_visibility_hidden=no
3072                         ;;
3073                   mingw*|cygwin*)
3074                         have_visibility_hidden=no
3075                         ;;
3076                   haiku*)
3077                         LIBC=libroot.so
3078                         ;;
3079                   linux*)
3080                         AOT_SUPPORTED="yes"
3081                         BTLS_SUPPORTED=yes
3082                         BTLS_PLATFORM=i386
3083                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3084                         ;;
3085                   darwin*)
3086                         AOT_SUPPORTED="yes"
3087                         BTLS_SUPPORTED=yes
3088                         BTLS_PLATFORM=i386
3089                         ;;
3090                   openbsd*|freebsd*|kfreebsd-gnu*)
3091                         ;;
3092                 esac
3093                 ;;
3094         x86_64-*-* | amd64-*-*)
3095                 TARGET=AMD64;
3096                 arch_target=amd64;
3097                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3098                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3099                         sizeof_register=8
3100                 fi
3101                 case $host_os in
3102                   linux*)
3103                         AOT_SUPPORTED="yes"
3104                         BTLS_SUPPORTED=yes
3105                         BTLS_PLATFORM=x86_64
3106                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3107                         ;;
3108                   darwin*)
3109                         AOT_SUPPORTED="yes"
3110                         BTLS_SUPPORTED=yes
3111                         BTLS_PLATFORM=x86_64
3112                         boehm_supported=false
3113                         ;;
3114                   openbsd*|freebsd*|kfreebsd-gnu*)
3115                         ;;
3116                   mingw*)
3117                         ;;
3118                 esac
3119                 case "$host" in
3120                         x86_64-*-nacl*)
3121                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3122                                 sizeof_register=8
3123                                 ;;
3124                 esac
3125                 ;;
3126         ia64-*-*)
3127                 TARGET=IA64
3128                 arch_target=ia64
3129                 ACCESS_UNALIGNED="no"
3130                 LIBC="libc.so.6.1"
3131                 INTL="libc.so.6.1"
3132                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3133                 libmono_ldflags="-lunwind"
3134                 ;;
3135         sparc*-*-*)
3136                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3137                    TARGET=SPARC64
3138                 else
3139                         TARGET=SPARC
3140                 fi
3141                 arch_target=sparc;
3142                 ACCESS_UNALIGNED="no"
3143                 case $host_os in
3144                   linux*) ;;
3145                   *)
3146                         LIBC="libc.so"
3147                         INTL="libintl.so"
3148                 esac
3149                 if test x"$GCC" = xyes; then
3150                         # We don't support v8 cpus
3151                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3152                 fi
3153                 if test x"$AR" = xfalse; then
3154                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3155                 fi
3156                 ;;
3157         *-mingw*|*-*-cygwin*)
3158                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3159                 have_visibility_hidden=no
3160                 INTL="intl"
3161                 ;;
3162         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3163         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3164                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3165                         TARGET=POWERPC64;
3166                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3167                         CFLAGS="$CFLAGS -mminimal-toc"
3168                 else
3169                         TARGET=POWERPC;
3170                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3171                 fi
3172                 arch_target=ppc;
3173                 case $host_os in
3174                   linux*|darwin*)
3175                         ;;
3176                 esac
3177                 ;;
3178         armv7k-*-darwin*)
3179                 TARGET=ARM;
3180                 TARGET_SYS=WATCHOS
3181                 arch_target=arm;
3182                 arm_fpu=VFP_HARD
3183                 ACCESS_UNALIGNED="no"
3184                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3185                 ;;
3186
3187         arm*-darwin*)
3188                 TARGET=ARM;
3189                 arch_target=arm;
3190                 ACCESS_UNALIGNED="no"
3191                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3192                 ;;
3193         arm*-linux*)
3194                 TARGET=ARM;
3195                 arch_target=arm;
3196                 ACCESS_UNALIGNED="no"
3197                 AOT_SUPPORTED="yes"
3198                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3199                 ;;
3200         arm*-netbsd*-eabi*)
3201                 TARGET=ARM;
3202                 arch_target=arm;
3203                 ACCESS_UNALIGNED="no"
3204                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3205                 ;;
3206 # TODO: make proper support for NaCl host.
3207 #        arm*-*nacl)
3208 #               TARGET=ARM;
3209 #               arch_target=arm;
3210 #               ACCESS_UNALIGNED="no"
3211 #               AOT_SUPPORTED="no"
3212 #               ;;
3213         aarch64-*)
3214                 # https://lkml.org/lkml/2012/7/15/133
3215                 TARGET=ARM64
3216                 arch_target=arm64
3217                 boehm_supported=false
3218                 AOT_SUPPORTED="yes"
3219                 ;;
3220         s390x-*-linux*)
3221                 TARGET=S390X;
3222                 arch_target=s390x;
3223                 ACCESS_UNALIGNED="yes"
3224                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3225                 ;;
3226 esac
3227
3228 HOST=$TARGET
3229
3230 if test "x$host" != "x$target"; then
3231    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3232    enable_mcs_build=no
3233    BTLS_SUPPORTED=no
3234    case "$target" in
3235    arm*-darwin*)
3236                 TARGET=ARM;
3237                 arch_target=arm;
3238                 ACCESS_UNALIGNED="no"
3239                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3240                 # Can't use tls, since it depends on the runtime detection of tls offsets
3241                 # in mono-compiler.h
3242                 with_tls=pthread
3243                 case "$target" in
3244                 armv7k-*)
3245                         arm_fpu=VFP_HARD
3246                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3247                         ;;
3248                 esac
3249                 ;;
3250    powerpc64-ps3-linux-gnu)
3251                 TARGET=POWERPC64
3252                 arch_target=powerpc64
3253                 AC_DEFINE(TARGET_PS3, 1, [...])
3254                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3255                 # uses this define
3256                 AC_DEFINE(__mono_ppc64__, 1, [...])
3257                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3258                 sizeof_register=8
3259                 target_byte_order=G_BIG_ENDIAN
3260                 ;;
3261    powerpc64-xbox360-linux-gnu)
3262                 TARGET=POWERPC64
3263                 arch_target=powerpc64
3264                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3265                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3266                 # uses this define
3267                 sizeof_register=8
3268                 target_byte_order=G_BIG_ENDIAN
3269                 ;;
3270    x86_64-*-nacl)
3271                 TARGET=AMD64
3272                 arch_target=amd64
3273                 AC_DEFINE(TARGET_AMD64, 1, [...])
3274                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3275                 sizeof_register=8
3276                 ;;
3277 # TODO: make proper support for NaCl target.
3278 #   arm*-*nacl)
3279 #               TARGET=ARM
3280 #               arch_target=arm
3281 #               AC_DEFINE(TARGET_ARM, 1, [...])
3282 #               ACCESS_UNALIGNED="no"
3283 #               sizeof_register=4
3284 #               CPPFLAGS="$CPPFLAGS \
3285 #                    -D__ARM_EABI__ \
3286 #                    -D__arm__ \
3287 #                    -D__portable_native_client__ \
3288 #                    -Dtimezone=_timezone \
3289 #                    -DDISABLE_SOCKETS \
3290 #                    -DDISABLE_ATTACH \
3291 #                    -DUSE_NEWLIB"
3292                 # Can't use tls, since it depends on the runtime detection of tls offsets
3293                 # in mono-compiler.h
3294 #               with_tls=pthread
3295 #               ;;
3296    i686-*-nacl)
3297                 TARGET=X86
3298                 arch_target=x86
3299                 AC_DEFINE(TARGET_X86, 1, [...])
3300                 sizeof_register=4
3301                 ;;
3302    arm*-linux-*)
3303                 TARGET=ARM;
3304                 arch_target=arm;
3305                 AC_DEFINE(TARGET_ARM, 1, [...])
3306                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3307                 ACCESS_UNALIGNED="no"
3308                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3309                 # Can't use tls, since it depends on the runtime detection of tls offsets
3310                 # in mono-compiler.h
3311                 with_tls=pthread
3312                 target_mach=no
3313                 case "$target" in
3314                 armv7l-unknown-linux-gnueabi*)
3315                         # TEGRA
3316                         CPPFLAGS="$CPPFLAGS"
3317                         ;;
3318                 armv5-*-linux-androideabi*)
3319                         CPPFLAGS="$CPPFLAGS"
3320                         ;;
3321                 esac
3322                 ;;
3323    arm*-netbsd*-eabi*)
3324                 TARGET=ARM;
3325                 arch_target=arm;
3326                 AC_DEFINE(TARGET_ARM, 1, [...])
3327                 ACCESS_UNALIGNED="no"
3328                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3329                 # Can't use tls, since it depends on the runtime detection of tls offsets
3330                 # in mono-compiler.h
3331                 with_tls=pthread
3332                 target_mach=no
3333                 ;;
3334    i686*-linux-*)
3335                 TARGET=X86;
3336                 arch_target=x86;
3337                 AC_DEFINE(TARGET_X86, 1, [...])
3338                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3339                 CPPFLAGS="$CPPFLAGS"
3340                 # Can't use tls, since it depends on the runtime detection of tls offsets
3341                 # in mono-compiler.h
3342                 with_tls=pthread
3343                 target_mach=no
3344                 ;;
3345    x86_64*-linux-*)
3346                 TARGET=AMD64;
3347                 arch_target=amd64;
3348                 AC_DEFINE(TARGET_AMD64, 1, [...])
3349                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3350                 CPPFLAGS="$CPPFLAGS"
3351                 # Can't use tls, since it depends on the runtime detection of tls offsets
3352                 # in mono-compiler.h
3353                 with_tls=pthread
3354                 target_mach=no
3355                 ;;
3356    x86_64-ps4-freebsd)
3357                 TARGET=AMD64;
3358                 arch_target=amd64;
3359                 AC_DEFINE(TARGET_AMD64, 1, [...])
3360                 AC_DEFINE(TARGET_PS4, 1, [...])
3361                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3362                 CPPFLAGS="$CPPFLAGS"
3363                 # Can't use tls, since it depends on the runtime detection of tls offsets
3364                 # in mono-compiler.h
3365                 with_tls=pthread
3366                 target_mach=no
3367                 target_win32=no
3368                 ;;
3369    aarch64*-linux-*)
3370                 TARGET=ARM64;
3371                 arch_target=arm64;
3372                 AC_DEFINE(TARGET_ARM64, 1, [...])
3373                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3374                 CPPFLAGS="$CPPFLAGS"
3375                 # Can't use tls, since it depends on the runtime detection of tls offsets
3376                 # in mono-compiler.h
3377                 with_tls=pthread
3378                 target_mach=no
3379                 ;;
3380         aarch64-*)
3381                 TARGET=ARM64
3382                 ;;
3383         *)
3384                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3385         esac
3386 fi
3387
3388 case "$TARGET" in
3389 X86)
3390         AC_DEFINE(TARGET_X86, 1, [...])
3391         ;;
3392 AMD64)
3393         AC_DEFINE(TARGET_AMD64, 1, [...])
3394         ;;
3395 ARM)
3396         AC_DEFINE(TARGET_ARM, 1, [...])
3397         ;;
3398 ARM64)
3399         AC_DEFINE(TARGET_ARM64, 1, [...])
3400         ;;
3401 POWERPC)
3402         AC_DEFINE(TARGET_POWERPC, 1, [...])
3403         ;;
3404 POWERPC64)
3405         AC_DEFINE(TARGET_POWERPC, 1, [...])
3406         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3407         ;;
3408 S390X)
3409         AC_DEFINE(TARGET_S390X, 1, [...])
3410         ;;
3411 MIPS)
3412         AC_DEFINE(TARGET_MIPS, 1, [...])
3413         ;;
3414 IA64)
3415         AC_DEFINE(TARGET_IA64, 1, [...])
3416         ;;
3417 SPARC)
3418         AC_DEFINE(TARGET_SPARC, 1, [...])
3419         ;;
3420 SPARC64)
3421         AC_DEFINE(TARGET_SPARC64, 1, [...])
3422         ;;
3423 esac
3424
3425 case "$HOST" in
3426 X86)
3427         AC_DEFINE(HOST_X86, 1, [...])
3428         ;;
3429 AMD64)
3430         AC_DEFINE(HOST_AMD64, 1, [...])
3431         ;;
3432 ARM)
3433         AC_DEFINE(HOST_ARM, 1, [...])
3434         ;;
3435 ARM64)
3436         AC_DEFINE(HOST_ARM64, 1, [...])
3437         ;;
3438 POWERPC)
3439         AC_DEFINE(HOST_POWERPC, 1, [...])
3440         ;;
3441 POWERPC64)
3442         AC_DEFINE(HOST_POWERPC, 1, [...])
3443         AC_DEFINE(HOST_POWERPC64, 1, [...])
3444         ;;
3445 S390X)
3446         AC_DEFINE(HOST_S390X, 1, [...])
3447         ;;
3448 MIPS)
3449         AC_DEFINE(HOST_MIPS, 1, [...])
3450         ;;
3451 IA64)
3452         AC_DEFINE(HOST_IA64, 1, [...])
3453         ;;
3454 SPARC)
3455         AC_DEFINE(HOST_SPARC, 1, [...])
3456         ;;
3457 SPARC64)
3458         AC_DEFINE(HOST_SPARC64, 1, [...])
3459         ;;
3460 esac
3461
3462
3463
3464 dnl *************
3465 dnl *** VTUNE ***
3466 dnl *************
3467
3468 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3469 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3470
3471 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3472
3473 if test "x$enable_vtune" = "xyes"; then
3474         if test "x$with_vtune" = "x"; then
3475                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3476         else
3477                 VTUNE_PATH=$with_vtune
3478         fi
3479         VTUNE_INCLUDE=$VTUNE_PATH/include
3480         case "$TARGET" in
3481         X86)
3482                 VTUNE_LIB=$VTUNE_PATH/lib32
3483                 ;;
3484         AMD64)
3485                 VTUNE_LIB=$VTUNE_PATH/lib64
3486                 ;;
3487         *)
3488                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3489                 ;;
3490         esac
3491         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3492                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3493         fi
3494         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3495                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3496         fi
3497
3498         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3499         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3500
3501         AC_SUBST(VTUNE_LIBS)
3502         AC_SUBST(VTUNE_CFLAGS)
3503 fi
3504 dnl Use GCC atomic ops if they work on the target.
3505 if test x$GCC = "xyes"; then
3506         case $TARGET in
3507         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3508                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3509                 ;;
3510         esac
3511 fi
3512
3513 if test "x$target_mach" = "xyes"; then
3514
3515    if test "x$TARGET_SYS" = "xWATCHOS"; then
3516           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3517           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3518           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3519           BTLS_SUPPORTED=no
3520    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3521           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3522           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3523           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3524           BTLS_SUPPORTED=no
3525    else
3526        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3527        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3528        #error fail this for ios
3529        #endif
3530        return 0;
3531        ], [
3532                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3533           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3534           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3535           target_osx=yes
3536        ], [
3537           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3538           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3539           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3540           BTLS_SUPPORTED=no
3541        ])
3542         fi
3543    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3544 fi
3545
3546 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3547
3548 if test "x$sizeof_register" = "x4"; then
3549    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3550 elif test "x$sizeof_register" = "x8"; then
3551    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3552 else
3553    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3554 fi
3555
3556 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3557    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3558 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3559    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3560 else
3561    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3562 fi
3563
3564 if test "x$have_visibility_hidden" = "xyes"; then
3565    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3566 fi
3567
3568 if test "x$have_deprecated" = "xyes"; then
3569    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3570 fi
3571
3572 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3573 if test "x$buildinterpreter" = "xyes"; then
3574     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3575     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3576 fi
3577
3578 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3579
3580
3581 dnl
3582 dnl Simple Generational checks (sgen)
3583 dnl
3584 SGEN_DEFINES=
3585 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3586 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3587 if test x$buildsgen = xyes; then
3588    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3589    SGEN_DEFINES="-DHAVE_SGEN_GC"
3590
3591         conc_gc_msg=""
3592    if test x$with_sgen_default_concurrent != xno; then
3593        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3594            conc_gc_msg=" (concurrent by default)"
3595    fi
3596
3597    if test "x$gc_msg" = "x"; then
3598       gc_msg="sgen$conc_gc_msg"
3599    else
3600       gc_msg="sgen$conc_gc_msg and $gc_msg"
3601    fi
3602 fi
3603 AC_SUBST(SGEN_DEFINES)
3604 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3605
3606 jit_status="Building and using the JIT"
3607
3608 libsuffix=".so"
3609
3610 case "$host" in
3611      *-*-darwin*)
3612         libsuffix=".dylib"
3613         LIBC="libc.dylib"
3614         INTL="libintl.dylib"
3615         SQLITE="libsqlite.0.dylib"
3616         SQLITE3="libsqlite3.0.dylib"
3617         X11="libX11.dylib"
3618         GDKX11="libgdk-x11-2.0.dylib"
3619         GTKX11="libgtk-x11-2.0.dylib"
3620         ;;
3621      *-*-*netbsd*)
3622         LIBC="libc.so"
3623         INTL="libintl.so"
3624         SQLITE="libsqlite.so"
3625         SQLITE3="libsqlite3.so"
3626         ;;
3627      *-*-kfreebsd*-gnu)
3628         LIBC="libc.so.0.1"
3629         INTL="libc.so.0.1"
3630         X11="libX11.so.6"
3631         ;;
3632     *-*-*freebsd*)
3633         LIBC="libc.so.7"
3634         INTL="libintl.so"
3635         SQLITE="libsqlite.so"
3636         SQLITE3="libsqlite3.so"
3637         ;;
3638     *-*-*openbsd*)
3639         LIBC="libc.so"
3640         INTL="libintl.so"
3641         SQLITE="libsqlite.so"
3642         SQLITE3="libsqlite3.so"
3643         ;;
3644     *-*-*linux*)
3645         AC_PATH_X
3646         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3647         AC_MSG_CHECKING(for the soname of libX11.so)
3648         for i in $x_libraries $dlsearch_path; do
3649                 for r in 4 5 6; do
3650                         if test -f $i/libX11.so.$r; then
3651                                 X11=libX11.so.$r
3652                                 AC_MSG_RESULT($X11)
3653                         fi
3654                 done
3655         done
3656
3657         if test "x$X11" = "xlibX11.so"; then
3658                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3659                 X11=libX11.so.6
3660         fi
3661         ;;
3662 esac
3663
3664
3665 AC_SUBST(libsuffix)
3666
3667 AC_ARG_WITH([libgdiplus],
3668         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3669         [], [with_libgdiplus=installed])
3670
3671 # default install location
3672 libgdiplus_install_loc=libgdiplus${libsuffix}
3673 case "$host" in
3674     *-*-*linux*)
3675     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3676     ;;
3677 esac
3678
3679 case $with_libgdiplus in
3680     no|installed)
3681     libgdiplus_loc=
3682     ;;
3683
3684     yes|sibling)
3685     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3686     ;;
3687
3688     /*) # absolute path, assume it is an install location
3689     libgdiplus_loc=$with_libgdiplus
3690     libgdiplus_install_loc=$with_libgdiplus
3691     ;;
3692
3693     *)
3694     libgdiplus_loc=`pwd`/$with_libgdiplus
3695     ;;
3696 esac
3697 AC_SUBST([libgdiplus_loc])
3698 AC_SUBST([libgdiplus_install_loc])
3699
3700 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3701 if test "x$icall_symbol_map" = "xyes"; then
3702    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3703 fi
3704
3705 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3706 if test "x$icall_export" = "xyes"; then
3707    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3708 fi
3709
3710 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3711 if test "x$icall_tables" = "xno"; then
3712    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3713 fi
3714
3715 if test "x$with_tls" = "x__thread"; then
3716         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3717         # Pass the information to libgc
3718         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3719         AC_MSG_CHECKING(if the tls_model attribute is supported)
3720         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3721                 ], [
3722                         AC_MSG_RESULT(yes)
3723                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3724                 ], [
3725                         AC_MSG_RESULT(no)
3726         ])
3727 fi
3728
3729 if test ${TARGET} = ARM; then
3730         dnl ******************************************
3731         dnl *** Check to see what FPU is available ***
3732         dnl ******************************************
3733         AC_MSG_CHECKING(which FPU to use)
3734
3735         #
3736         # This is a bit tricky:
3737         #
3738         # if (__ARM_PCS_VFP) {
3739         #       /* mfloat-abi=hard == VFP with hard ABI */
3740         # } elif (!__SOFTFP__) {
3741         #       /* mfloat-abi=softfp == VFP with soft ABI */
3742         # } else {
3743         #       /* mfloat-abi=soft == no VFP */
3744         # }
3745         #
3746         # The exception is iOS (w/ GCC) where none of the above
3747         # are defined (but iOS always uses the 'softfp' ABI).
3748         #
3749         # No support for FPA.
3750         #
3751
3752         fpu=NONE
3753
3754         # iOS GCC always uses the 'softfp' ABI.
3755         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3756                 fpu=VFP
3757         fi
3758
3759         # Are we using the 'hard' ABI?
3760         if test x$fpu = xNONE; then
3761                 AC_TRY_COMPILE([], [
3762                         #ifndef __ARM_PCS_VFP
3763                         #error "Float ABI is not 'hard'"
3764                         #endif
3765                         return 0;
3766                 ], [
3767                         fpu=VFP_HARD
3768                 ], [
3769                         fpu=NONE
3770                 ])
3771         fi
3772
3773         # No 'hard' ABI. 'soft' or 'softfp'?
3774         if test x$fpu = xNONE; then
3775                 AC_TRY_COMPILE([], [
3776                         #ifdef __SOFTFP__
3777                         #error "Float ABI is not 'softfp'"
3778                         #endif
3779                         return 0;
3780                 ], [
3781                         fpu=VFP
3782                 ], [
3783                         fpu=NONE
3784                 ])
3785         fi
3786
3787         if test x$arm_fpu != x; then
3788            fpu=$arm_fpu
3789         fi
3790
3791         AC_MSG_RESULT($fpu)
3792         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3793         unset fpu
3794
3795         dnl *********************************************
3796         dnl *** Check which ARM version(s) we can use ***
3797         dnl *********************************************
3798         AC_MSG_CHECKING(which ARM version to use)
3799
3800         AC_TRY_COMPILE([], [
3801                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3802                 #error Not on ARM v5.
3803                 #endif
3804                 return 0;
3805         ], [
3806                 arm_v5=yes
3807
3808                 arm_ver=ARMv5
3809         ], [])
3810
3811         AC_TRY_COMPILE([], [
3812                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3813                 #error Not on ARM v6.
3814                 #endif
3815                 return 0;
3816         ], [
3817                 arm_v5=yes
3818                 arm_v6=yes
3819
3820                 arm_ver=ARMv6
3821         ], [])
3822
3823         AC_TRY_COMPILE([], [
3824                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3825                 #error Not on ARM v7.
3826                 #endif
3827                 return 0;
3828         ], [
3829                 arm_v5=yes
3830                 arm_v6=yes
3831                 arm_v7=yes
3832
3833                 arm_ver=ARMv7
3834         ], [])
3835
3836         AC_MSG_RESULT($arm_ver)
3837
3838         if test x$arm_v5 = xyes; then
3839                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3840                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3841         fi
3842
3843         if test x$arm_v6 = xyes; then
3844                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3845                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3846         fi
3847
3848         if test x$arm_v7 = xyes; then
3849                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3850                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3851         fi
3852 fi
3853
3854 if test ${TARGET} = unknown; then
3855         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3856         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3857 fi
3858
3859 if test "x$platform_android" = "xyes"; then
3860         case "x${TARGET}" in
3861         xARM)
3862                 case "x$arm_ver" in
3863                 xARMv5)
3864                         BTLS_SUPPORTED=yes
3865                         BTLS_PLATFORM=android-armv5
3866                         ;;
3867                 xARMv6)
3868                         BTLS_SUPPORTED=yes
3869                         BTLS_PLATFORM=android-armv6
3870                         ;;
3871                 xARMv7)
3872                         BTLS_SUPPORTED=yes
3873                         BTLS_PLATFORM=android-armv7
3874                         ;;
3875                 *)
3876                         BTLS_SUPPORTED=no
3877                         ;;
3878                 esac
3879                 ;;
3880         xARM64)
3881                 BTLS_SUPPORTED=yes
3882                 BTLS_PLATFORM=android-v8a
3883                 ;;
3884         xX86)
3885                 BTLS_SUPPORTED=yes
3886                 BTLS_PLATFORM=android-x86
3887                 ;;
3888         xAMD64)
3889                 BTLS_SUPPORTED=yes
3890                 BTLS_PLATFORM=android-x64
3891                 ;;
3892         *)
3893                 BTLS_SUPPORTED=no
3894                 ;;
3895         esac
3896 fi
3897
3898 if test ${ACCESS_UNALIGNED} = no; then
3899         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3900 fi
3901
3902 if test x$host_darwin = xyes; then
3903         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3904         AS_IF(
3905                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3906                 [AC_MSG_RESULT([no])],
3907                 [
3908                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3909                         AR_FLAGS="Scru"
3910                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3911                         AC_MSG_RESULT([yes])
3912                 ]
3913         )
3914 fi
3915
3916 case "x$libgc" in
3917         xincluded)
3918                 # Pass CPPFLAGS to libgc configure
3919                 # We should use a separate variable for this to avoid passing useless and
3920                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3921                 # This should be executed late so we pick up the final version of CPPFLAGS
3922                 # The problem with this approach, is that during a reconfigure, the main
3923                 # configure scripts gets invoked with these arguments, so we use separate
3924                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3925                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3926                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3927                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3928                 fi
3929                 # Don't pass -finstrument-for-thread-suspension in,
3930                 # if these are instrumented it will be very bad news
3931                 # (infinite recursion, undefined parking behavior, etc)
3932                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3933                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3934                 if test "x$support_boehm" = "xyes"; then
3935                         AC_CONFIG_SUBDIRS(libgc)
3936                 fi
3937                 ;;
3938 esac
3939
3940 MALLOC_MEMPOOLS=no
3941 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3942         if test x$with_malloc_mempools = xyes; then
3943                 MALLOC_MEMPOOLS=yes
3944                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3945         fi
3946 ])
3947
3948
3949 DISABLE_MCS_DOCS=default
3950 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3951         if test x$with_mcs_docs != xyes; then
3952                 DISABLE_MCS_DOCS=yes
3953         fi
3954 ])
3955 if test -n "$INSTALL_4_x_TRUE"; then :
3956         DISABLE_MCS_DOCS=yes
3957 fi
3958 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3959    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3960 fi
3961
3962 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3963         if test x$with_lazy_gc_thread_creation != xno ; then
3964                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3965         fi
3966 ], [with_lazy_gc_thread_creation=no])
3967
3968 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])
3969
3970 if test x$with_cooperative_gc = xdefault; then
3971         with_cooperative_gc=$with_cooperative_gc_default
3972 fi
3973
3974 if test x$with_cooperative_gc != xno; then
3975         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3976 fi
3977
3978 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3979
3980 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],[
3981
3982         if test x$enable_checked_build != x ; then
3983                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3984         fi
3985         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3986                 eval "mono_checked_build_test_enable_$feature='yes'"
3987         done
3988
3989         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3990                 eval "mono_checked_build_test_enable_gc='yes'"
3991                 eval "mono_checked_build_test_enable_metadata='yes'"
3992                 eval "mono_checked_build_test_enable_thread='yes'"
3993         fi
3994
3995         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3996                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3997         fi
3998
3999         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4000                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4001         fi
4002
4003         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4004                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4005         fi
4006
4007 ], [])
4008
4009 AC_CHECK_HEADER([malloc.h],
4010                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4011                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4012
4013 if test x"$GCC" = xyes; then
4014         # Implicit function declarations are not 64 bit safe
4015         # Do this late, since this causes lots of configure tests to fail
4016         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4017         # jay has a lot of implicit declarations
4018         JAY_CFLAGS="-Wno-implicit-function-declaration"
4019 fi
4020
4021 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4022 # instead of libmono-static.a
4023 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4024    LIBMONO_LA=libmini-static.la
4025 else
4026    if test x$buildsgen = xyes; then
4027       LIBMONO_LA=libmonosgen-$API_VER.la
4028    else
4029       LIBMONO_LA=libmonoboehm-$API_VER.la
4030    fi
4031 fi
4032 AC_SUBST(LIBMONO_LA)
4033
4034 dnl **************
4035 dnl ***  Btls  ***
4036 dnl **************
4037
4038 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4039 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4040
4041 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4042
4043 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4044
4045 btls_android=no
4046 if test "x$enable_btls" = "xyes"; then
4047         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4048         if test "x$CMAKE" = "xno"; then
4049                 AC_MSG_ERROR("cmake not found")
4050         fi
4051
4052         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4053         AC_SUBST(BTLS_ROOT)
4054
4055         btls_arch=
4056         btls_cflags=
4057         BTLS_CMAKE_ARGS=
4058
4059         case "$BTLS_PLATFORM" in
4060         i386)
4061                 btls_arch=i386
4062                 btls_cflags="-m32"
4063                 case $host_os in
4064                         darwin*)
4065                                 btls_cflags="$btls_cflags -arch i386"
4066                 esac
4067                 ;;
4068         x86_64)
4069                 btls_arch=x86_64
4070                 ;;
4071         android-armv5)
4072                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4073                 ;;
4074         android-armv6)
4075                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4076                 ;;
4077         android-armv7)
4078                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4079                 ;;
4080         android-v8a)
4081                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4082                 ;;
4083         android-x86)
4084                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4085                 ;;
4086         android-x64)
4087                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4088                 ;;
4089         *)
4090                 AC_MSG_ERROR(Invalid BTLS platform)
4091         esac
4092
4093         if test "x$platform_android" = "xyes"; then
4094                 btls_android=yes
4095                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4096                 if test "x$with_btls_android_ndk" != "x"; then
4097                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4098                 else
4099                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4100                 fi
4101         fi
4102
4103         if test "x$btls_arch" != "x"; then
4104                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4105         fi
4106
4107         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4108         AC_SUBST(BTLS_ARCH)
4109         AC_SUBST(BTLS_CFLAGS)
4110         AC_SUBST(BTLS_PLATFORM)
4111         AC_SUBST(BTLS_CMAKE_ARGS)
4112
4113         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4114 else
4115         enable_btls=no
4116 fi
4117
4118 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4119
4120 if test x$DISABLE_MCS_DOCS = xyes; then
4121    docs_dir=""
4122 else
4123    docs_dir=docs
4124 fi
4125 AC_SUBST(docs_dir)
4126
4127 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4128 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4129
4130 libmono_ldflags="$libmono_ldflags $LIBS"
4131
4132 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4133 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4134 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4135 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4136 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4137 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4138 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4139 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4140 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4141 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4142 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4143 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4144 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4145 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4146 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4147 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4148 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4149 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4150
4151 AC_SUBST(LIBC)
4152 AC_SUBST(INTL)
4153 AC_SUBST(SQLITE)
4154 AC_SUBST(SQLITE3)
4155 AC_SUBST(X11)
4156 AC_SUBST(GDKX11)
4157 AC_SUBST(GTKX11)
4158 AC_SUBST(XINERAMA)
4159 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4160 AC_SUBST(arch_target)
4161 AC_SUBST(CFLAGS)
4162 AC_SUBST(CPPFLAGS)
4163 AC_SUBST(LDFLAGS)
4164
4165 #This must always be defined when building the runtime
4166 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4167
4168 mono_build_root=`pwd`
4169 AC_SUBST(mono_build_root)
4170
4171 mono_runtime=mono/mini/mono
4172 AC_SUBST(mono_runtime)
4173
4174 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4175
4176 if test $csc_compiler = mcs; then
4177   CSC=$mcs_topdir/class/lib/build/mcs.exe
4178 else
4179   CSC=$CSC_LOCATION
4180 fi
4181
4182 mono_cfg_root=$mono_build_root/runtime
4183 if test x$host_win32 = xyes; then
4184   if test "x$cross_compiling" = "xno"; then
4185     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4186     CSC=`cygpath -m -a $CSC`
4187     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4188   else
4189     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4190   fi
4191 else
4192   mono_cfg_dir=$mono_cfg_root/etc
4193 fi
4194 AC_SUBST(mono_cfg_dir)
4195
4196 AC_SUBST(CSC)
4197
4198 AC_CONFIG_FILES([po/mcs/Makefile.in])
4199
4200 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4201 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4202
4203 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4204 [   depth=../../../..
4205     case $srcdir in
4206     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4207     .) reldir=$depth ;;
4208     *) reldir=$depth/$srcdir ;;
4209     esac
4210     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4211     cd runtime/etc/mono/1.0
4212     rm -f machine.config
4213     $LN_S $reldir/data/net_1_1/machine.config machine.config
4214     cd $depth
4215 ],[LN_S='$LN_S'])
4216
4217 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4218 [   depth=../../../..
4219     case $srcdir in
4220     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4221     .) reldir=$depth ;;
4222     *) reldir=$depth/$srcdir ;;
4223     esac
4224     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4225     cd runtime/etc/mono/2.0
4226     rm -f machine.config
4227     $LN_S $reldir/data/net_2_0/machine.config machine.config
4228     cd $depth
4229 ],[LN_S='$LN_S'])
4230
4231 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4232 [   depth=../../../..
4233     case $srcdir in
4234     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4235     .) reldir=$depth ;;
4236     *) reldir=$depth/$srcdir ;;
4237     esac
4238     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4239     cd runtime/etc/mono/2.0
4240     rm -f web.config
4241     $LN_S $reldir/data/net_2_0/web.config web.config
4242     cd $depth
4243 ],[LN_S='$LN_S'])
4244
4245 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4246 [   depth=../../..
4247     case $srcdir in
4248     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4249     .) reldir=$depth ;;
4250     *) reldir=$depth/$srcdir ;;
4251     esac
4252     $ac_aux_dir/install-sh -d runtime/etc/mono/
4253     cd runtime/etc/mono/
4254     rm -f browscap.ini
4255     $LN_S $reldir/data/browscap.ini browscap.ini
4256     cd $depth
4257 ],[LN_S='$LN_S'])
4258
4259 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4260 [   depth=../../../../..
4261     case $srcdir in
4262     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4263     .) reldir=$depth ;;
4264     *) reldir=$depth/$srcdir ;;
4265     esac
4266     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4267     cd runtime/etc/mono/2.0/Browsers
4268     rm -f Compat.browser
4269     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4270     cd $depth
4271 ],[LN_S='$LN_S'])
4272
4273 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4274 [   depth=../../../../..
4275     case $srcdir in
4276     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4277     .) reldir=$depth ;;
4278     *) reldir=$depth/$srcdir ;;
4279     esac
4280     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4281     cd runtime/etc/mono/4.0/Browsers
4282     rm -f Compat.browser
4283     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4284     cd $depth
4285 ],[LN_S='$LN_S'])
4286
4287 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4288 [   depth=../../../../..
4289     case $srcdir in
4290     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4291     .) reldir=$depth ;;
4292     *) reldir=$depth/$srcdir ;;
4293     esac
4294     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4295     cd runtime/etc/mono/4.5/Browsers
4296     rm -f Compat.browser
4297     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4298     cd $depth
4299 ],[LN_S='$LN_S'])
4300
4301 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4302 [   depth=../../../..
4303     case $srcdir in
4304     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4305     .) reldir=$depth ;;
4306     *) reldir=$depth/$srcdir ;;
4307     esac
4308     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4309     cd runtime/etc/mono/4.0
4310     rm -f machine.config
4311     $LN_S $reldir/data/net_4_0/machine.config machine.config
4312     cd $depth
4313 ],[LN_S='$LN_S'])
4314
4315 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4316 [   depth=../../../..
4317     case $srcdir in
4318     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4319     .) reldir=$depth ;;
4320     *) reldir=$depth/$srcdir ;;
4321     esac
4322     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4323     cd runtime/etc/mono/4.0
4324     rm -f web.config
4325     $LN_S $reldir/data/net_4_0/web.config web.config
4326     cd $depth
4327 ],[LN_S='$LN_S'])
4328
4329 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4330 [   depth=../../../..
4331     case $srcdir in
4332     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4333     .) reldir=$depth ;;
4334     *) reldir=$depth/$srcdir ;;
4335     esac
4336     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4337     cd runtime/etc/mono/4.5
4338     rm -f machine.config
4339     $LN_S $reldir/data/net_4_5/machine.config machine.config
4340     cd $depth
4341 ],[LN_S='$LN_S'])
4342
4343 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4344 [   depth=../../../..
4345     case $srcdir in
4346     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4347     .) reldir=$depth ;;
4348     *) reldir=$depth/$srcdir ;;
4349     esac
4350     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4351     cd runtime/etc/mono/4.5
4352     rm -f web.config
4353     $LN_S $reldir/data/net_4_5/web.config web.config
4354     cd $depth
4355 ],[LN_S='$LN_S'])
4356
4357 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])
4358 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])
4359
4360 AC_OUTPUT([
4361 Makefile
4362 mono-uninstalled.pc
4363 acceptance-tests/Makefile
4364 llvm/Makefile
4365 scripts/mono-find-provides
4366 scripts/mono-find-requires
4367 mono/Makefile
4368 mono/btls/Makefile
4369 mono/utils/Makefile
4370 mono/metadata/Makefile
4371 mono/dis/Makefile
4372 mono/cil/Makefile
4373 mono/arch/Makefile
4374 mono/arch/x86/Makefile
4375 mono/arch/amd64/Makefile
4376 mono/arch/ppc/Makefile
4377 mono/arch/sparc/Makefile
4378 mono/arch/s390x/Makefile
4379 mono/arch/arm/Makefile
4380 mono/arch/arm64/Makefile
4381 mono/arch/ia64/Makefile
4382 mono/arch/mips/Makefile
4383 mono/sgen/Makefile
4384 mono/tests/Makefile
4385 mono/tests/tests-config
4386 mono/tests/assemblyresolve/Makefile
4387 mono/tests/gc-descriptors/Makefile
4388 mono/unit-tests/Makefile
4389 mono/benchmark/Makefile
4390 mono/mini/Makefile
4391 mono/profiler/Makefile
4392 m4/Makefile
4393 ikvm-native/Makefile
4394 scripts/Makefile
4395 man/Makefile
4396 docs/Makefile
4397 data/Makefile
4398 data/net_2_0/Makefile
4399 data/net_4_0/Makefile
4400 data/net_4_5/Makefile
4401 data/net_2_0/Browsers/Makefile
4402 data/net_4_0/Browsers/Makefile
4403 data/net_4_5/Browsers/Makefile
4404 data/mint.pc
4405 data/mono-2.pc
4406 data/monosgen-2.pc
4407 data/mono.pc
4408 data/mono-cairo.pc
4409 data/mono-nunit.pc
4410 data/mono-options.pc
4411 data/mono-lineeditor.pc
4412 data/monodoc.pc
4413 data/dotnet.pc
4414 data/dotnet35.pc
4415 data/wcf.pc
4416 data/cecil.pc
4417 data/system.web.extensions_1.0.pc
4418 data/system.web.extensions.design_1.0.pc
4419 data/system.web.mvc.pc
4420 data/system.web.mvc2.pc
4421 data/system.web.mvc3.pc
4422 data/aspnetwebstack.pc
4423 data/reactive.pc
4424 samples/Makefile
4425 support/Makefile
4426 data/config
4427 tools/Makefile
4428 tools/locale-builder/Makefile
4429 tools/sgen/Makefile
4430 tools/monograph/Makefile
4431 tools/pedump/Makefile
4432 runtime/Makefile
4433 msvc/Makefile
4434 po/Makefile
4435 ])
4436
4437 # Update all submodules recursively to ensure everything is checked out
4438 $srcdir/scripts/update_submodules.sh
4439
4440 if test x$host_win32 = xyes; then
4441    # Get rid of 'cyg' prefixes in library names
4442    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4443    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4444    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4445    # executable doesn't work...
4446    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4447 fi
4448
4449 if test x$host_darwin = xyes; then
4450    # This doesn't seem to be required and it slows down parallel builds
4451    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4452 fi
4453
4454 (
4455   case $prefix in
4456   NONE) prefix=$ac_default_prefix ;;
4457   esac
4458   case $exec_prefix in
4459   NONE) exec_prefix='${prefix}' ;;
4460   esac
4461
4462   #
4463   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4464   # any existing config.make.  This allows people to share the same source tree
4465   # with different build directories, one native and one cross
4466   #
4467   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4468
4469     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4470
4471     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4472     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4473     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4474     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4475     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4476     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4477     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4478     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4479     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4480
4481     case $INSTALL in
4482     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4483     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4484     esac
4485
4486     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4487
4488     export VERSION
4489     [myver=$($AWK 'BEGIN {
4490       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4491       if(length(vsplit [1]) > 4) {
4492         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4493       }
4494       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4495     }')]
4496
4497     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4498
4499     if test x$host_darwin = xyes; then
4500       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4501     fi
4502
4503     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4504       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4505     fi
4506
4507         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4508            enable_system_aot=yes
4509         fi
4510
4511     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4512       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4513     fi
4514
4515     if test x$DISABLE_MCS_DOCS = xyes; then
4516       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4517     fi
4518
4519     if test x$has_extension_module != xno; then
4520         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4521     fi
4522
4523     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4524
4525     if test "x$test_bcl_opt" = "xyes"; then
4526       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4527     fi
4528
4529     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4530
4531     if test $csc_compiler = mcs; then
4532       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4533     fi
4534
4535     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4536       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4537       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4538     fi
4539
4540     if test "x$enable_btls" = "xyes"; then
4541       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4542       if test "x$enable_dynamic_btls" = "xyes"; then
4543         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4544       fi
4545     fi
4546
4547   fi
4548
4549 )
4550
4551 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4552
4553 btls_platform_string=
4554 if test x$enable_btls = xyes; then
4555         if test x$btls_android = xyes; then
4556                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4557         else
4558                 btls_platform_string=" ($BTLS_PLATFORM)"
4559         fi
4560 fi
4561
4562 echo "
4563         mcs source:    $mcsdir
4564         C# Compiler:   $csc_compiler
4565
4566    Engine:
4567         Host:          $host
4568         Target:        $target
4569         GC:            $gc_msg
4570         TLS:           $with_tls
4571         SIGALTSTACK:   $with_sigaltstack
4572         Engine:        $jit_status
4573         BigArrays:     $enable_big_arrays
4574         DTrace:        $enable_dtrace
4575         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4576         Interpreter:   $buildinterpreter
4577
4578    Libraries:
4579         .NET 4.x:        $with_profile4_x
4580         Xamarin.Android: $with_monodroid
4581         Xamarin.iOS:     $with_monotouch
4582         Xamarin.WatchOS: $with_monotouch_watch
4583         Xamarin.TVOS:    $with_monotouch_tv
4584         Xamarin.Mac:     $with_xammac
4585         Windows AOT:     $with_winaot
4586         Orbis:           $with_orbis
4587         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4588         JNI support:     $jdk_headers_found
4589         libgdiplus:      $libgdiplus_msg
4590         zlib:            $zlib_msg
4591         BTLS:            $enable_btls$btls_platform_string
4592         $disabled
4593 "
4594 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4595    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4596 fi