configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.1],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 if test -z "$HOST_WIN32_TRUE"; then :
 383 PLATFORM_AOT_SUFFIX=.dll
 384 fi
 385
 386 AC_SUBST(PLATFORM_AOT_SUFFIX)
 387
 388 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 389
 390 AC_CHECK_TOOL(CC, gcc, gcc)
 391 AC_PROG_CC
 392 AC_CHECK_TOOL(CXX, g++, g++)
 393 AC_PROG_CXX
 394 AM_PROG_AS
 395 AC_PROG_INSTALL
 396 AC_PROG_AWK
 397 AM_PROG_CC_C_O
 398 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 399 : ${CCAS='$(CC)'}
 400 # Set ASFLAGS if not already set.
 401 : ${CCASFLAGS='$(CFLAGS)'}
 402 AC_SUBST(CCAS)
 403 AC_SUBST(CCASFLAGS)
 404
 405 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 406 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 407 if test "x$CXX" = "xg++"; then
 408         if test "x$GXX" != "xyes"; then
 409                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 410                 # are inside automake conditionals
 411                 AC_MSG_ERROR([You need to install g++])
 412         fi
 413 fi
 414
 415 dnl may require a specific autoconf version
 416 dnl AC_PROG_CC_FOR_BUILD
 417 dnl CC_FOR_BUILD not automatically detected
 418 CC_FOR_BUILD=$CC
 419 CFLAGS_FOR_BUILD=$CFLAGS
 420 BUILD_EXEEXT=
 421 if test "x$cross_compiling" = "xyes"; then
 422         CC_FOR_BUILD=cc
 423         CFLAGS_FOR_BUILD=
 424         BUILD_EXEEXT=""
 425 fi
 426 AC_SUBST(CC_FOR_BUILD)
 427 AC_SUBST(CFLAGS_FOR_BUILD)
 428 AC_SUBST(HOST_CC)
 429 AC_SUBST(BUILD_EXEEXT)
 430
 431 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 432 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 433
 434 # Set STDC_HEADERS
 435 AC_HEADER_STDC
 436 AC_LIBTOOL_WIN32_DLL
 437 # This causes monodis to not link correctly
 438 #AC_DISABLE_FAST_INSTALL
 439
 440 #lookup makedev() header
 441 AC_HEADER_MAJOR
 442
 443 AM_PROG_LIBTOOL
 444 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 445 DOLT
 446
 447 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 448 AC_SUBST(export_ldflags)
 449
 450 # Test whenever ld supports -version-script
 451 AC_PROG_LD
 452 AC_PROG_LD_GNU
 453
 454 AM_ICONV()
 455
 456 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 457 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 458 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 459                   [], [], [#include <stddef.h>
 460                   #include <sys/socket.h>
 461                   #include <linux/socket.h>])
 462
 463 AC_CHECK_HEADERS(sys/user.h, [], [],
 464 [
 465 #ifdef HAVE_SYS_PARAM_H
 466 # include <sys/param.h>
 467 #endif
 468 ])
 469
 470 AC_CHECK_HEADERS(linux/serial.h)
 471
 472 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 473 if test x$have_zlib = xyes; then
 474    AC_TRY_COMPILE([#include <zlib.h>], [
 475    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 476    return 0;
 477    #else
 478    #error No good zlib found
 479    #endif
 480    ],[
 481         AC_MSG_RESULT(Using system zlib)
 482         zlib_msg="system zlib"
 483         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 484    ],[
 485         AC_MSG_RESULT(Using embedded zlib)
 486         have_zlib=no
 487         zlib_msg="bundled zlib"
 488    ])
 489 fi
 490
 491 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 492 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 493
 494 # for mono/metadata/debug-symfile.c
 495 AC_CHECK_HEADERS(elf.h)
 496
 497 # for support
 498 AC_CHECK_HEADERS(poll.h)
 499 AC_CHECK_HEADERS(sys/poll.h)
 500 AC_CHECK_HEADERS(sys/wait.h)
 501 AC_CHECK_HEADERS(grp.h)
 502 AC_CHECK_HEADERS(syslog.h)
 503
 504 # for mono/dis
 505 AC_CHECK_HEADERS(wchar.h)
 506 AC_CHECK_HEADERS(ieeefp.h)
 507 AC_MSG_CHECKING(for isinf)
 508 AC_TRY_LINK([#include <math.h>], [
 509         int f = isinf (1.0);
 510 ], [
 511         AC_MSG_RESULT(yes)
 512         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 513 ], [
 514         # We'll have to use signals
 515         AC_MSG_RESULT(no)
 516 ])
 517 # mingw
 518 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 519         AC_TRY_LINK([#include <math.h>],
 520         [ _finite(0.0); ],
 521         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 522         AC_MSG_RESULT(no)))
 523
 524 # for Linux statfs support
 525 AC_CHECK_HEADERS(linux/magic.h)
 526
 527 # not 64 bit clean in cross-compile
 528 AC_CHECK_SIZEOF(void *, 4)
 529
 530 AC_CACHE_CHECK([for clang],
 531         mono_cv_clang,[
 532         AC_TRY_COMPILE([], [
 533                 #ifdef __clang__
 534                 #else
 535                 #error "FAILED"
 536                 #endif
 537                 return 0;
 538         ],
 539         [mono_cv_clang=yes],
 540         [mono_cv_clang=no],
 541         [])
 542 ])
 543
 544 AC_ARG_ENABLE(visibility-hidden,
 545 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 546    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 547
 548 WARN=''
 549 if test x"$GCC" = xyes; then
 550         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 551
 552                 # We require C99 with some GNU extensions, e.g. `linux` macro
 553                 CFLAGS="$CFLAGS -std=gnu99"
 554
 555                 # The runtime code does not respect ANSI C strict aliasing rules
 556                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 557
 558                 # We rely on signed overflow to behave
 559                 CFLAGS="$CFLAGS -fwrapv"
 560
 561                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 562                 if test x"$disable_visibility_hidden" = xno; then
 563                    # Don't export any symbols by default
 564                    SHARED_CFLAGS="-fvisibility=hidden"
 565                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 566                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 567                 fi
 568
 569                 ORIG_CFLAGS=$CFLAGS
 570                 # Check for the normal version, since gcc ignores unknown -Wno options
 571                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 572                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 573                 AC_TRY_COMPILE([],[
 574                                 return 0;
 575                 ], [
 576                    AC_MSG_RESULT(yes)
 577                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 578                 ], [
 579                    AC_MSG_RESULT(no)
 580                    CFLAGS=$ORIG_CFLAGS
 581                 ])
 582
 583                 if test "x$mono_cv_clang" = "xyes"; then
 584                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 585                    WARN="$WARN -Qunused-arguments"
 586                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 587                    # We rely on zero length arrays in structs
 588                    WARN="$WARN -Wno-zero-length-array"
 589                 fi
 590 else
 591         # The Sun Forte compiler complains about inline functions that access static variables
 592         # so disable all inlining.
 593         case "$host" in
 594         *-*-solaris*)
 595                 CFLAGS="$CFLAGS -Dinline="
 596                 ;;
 597         esac
 598 fi
 599 CFLAGS="$CFLAGS -g $WARN"
 600 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 601 CPPFLAGS="$CPPFLAGS -g $WARN"
 602
 603 # Where's the 'mcs' source tree?
 604 if test -d $srcdir/mcs; then
 605   mcsdir=mcs
 606 else
 607   mcsdir=../mcs
 608 fi
 609
 610 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 611         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 612                 mcsdir=$with_mcs_path
 613         fi
 614 )
 615
 616 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 617
 618 #
 619 # A sanity check to catch cases where the package was unpacked
 620 # with an ancient tar program (Solaris)
 621 #
 622 AC_ARG_ENABLE(solaris-tar-check,
 623 [  --disable-solaris-tar-check    disable solaris tar check],
 624    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 625
 626 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 627         AC_MSG_CHECKING(integrity of package)
 628         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 629         then
 630                 AC_MSG_RESULT(ok)
 631         else
 632                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 633                 AC_MSG_ERROR([$errorm])
 634         fi
 635 fi
 636
 637 if test "x$with_mcs_path" != "x"; then
 638 mcs_topdir=$(cd "$mcsdir" && pwd)
 639 mcs_topdir_from_srcdir=$mcs_topdir
 640 else
 641 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 642 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 643 fi
 644
 645 # Convert mcs_topdir* paths to Windows syntax.
 646 if test x$cross_compiling$host_win32 = xnoyes; then
 647   mcs_topdir=$(cygpath -m $mcs_topdir)
 648   case $mcs_topdir_from_srcdir in
 649     /cygdrive/*)
 650         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 651         ;;
 652   esac
 653 fi
 654
 655 AC_SUBST([mcs_topdir])
 656 AC_SUBST([mcs_topdir_from_srcdir])
 657
 658 # gettext: prepare the translation directories.
 659 # we do not configure the full gettext, as we consume it dynamically from C#
 660 AM_PO_SUBDIRS
 661
 662 if test "x$USE_NLS" = "xyes"; then
 663    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 664
 665    if test "x$HAVE_MSGFMT" = "xno"; then
 666           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 667    fi
 668 fi
 669
 670 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 671
 672 pkg_config_path=
 673 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 674         if test x$with_crosspkgdir = "x"; then
 675                 if test -s $PKG_CONFIG_PATH; then
 676                         pkg_config_path=$PKG_CONFIG_PATH
 677                 fi
 678         else
 679                 pkg_config_path=$with_crosspkgdir
 680                 PKG_CONFIG_PATH=$pkg_config_path
 681                 export PKG_CONFIG_PATH
 682         fi
 683 )
 684
 685 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 686 if test x$werror_flag = xyes; then
 687         WERROR_CFLAGS="-Werror"
 688 fi
 689 AC_SUBST([WERROR_CFLAGS])
 690 AC_SUBST([SHARED_CFLAGS])
 691
 692 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 693 AC_CONFIG_SUBDIRS(eglib)
 694
 695 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 696 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 697
 698 AC_SUBST(GLIB_CFLAGS)
 699 AC_SUBST(GLIB_LIBS)
 700
 701 # Enable support for fast thread-local storage
 702 # Some systems have broken support, so we allow to disable it.
 703 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 704
 705 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 706 # This does not work on some platforms (bug #55253)
 707 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 708
 709 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 710 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 711 # Same as --with-shared_mono=no
 712 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 713
 714 if test "x$enable_static" = "xno"; then
 715    with_static_mono=no
 716 fi
 717
 718 if test "x$enable_shared" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 if test "x$enable_libraries" = "xno"; then
 723    with_shared_mono=no
 724 fi
 725
 726 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 727
 728 case $host in
 729 *nacl* ) with_shared_mono=yes;;
 730 esac
 731
 732 if test "x$host_win32" = "xyes"; then
 733    # Boehm GC requires the runtime to be in its own dll
 734    with_static_mono=no
 735 fi
 736
 737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 740
 741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 744         ORIG_CFLAGS=$CFLAGS
 745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 747         AC_TRY_COMPILE([], [
 748                 return 0;
 749         ], [
 750            AC_MSG_RESULT(yes)
 751            # Pass it to libgc as well
 752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 753         ], [
 754            AC_MSG_RESULT(no)
 755            CFLAGS=$ORIG_CFLAGS
 756         ])
 757 fi
 758
 759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 760
 761 if test x$enable_small_config = xyes; then
 762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 764 fi
 765
 766 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 767
 768 DISABLED_FEATURES=none
 769 csc_compiler=default
 770 endian=unknown
 771 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 772 AC_MSG_CHECKING([CSharp compiler to use])
 773 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 774    if test x$withval = xmcs; then
 775        csc_compiler=mcs
 776    elif test x$withval = xroslyn; then
 777        csc_compiler=roslyn
 778    elif test x$withval = xdefault; then
 779        :
 780    else
 781        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 782    fi
 783 ],[csc_compiler=default])
 784
 785 if test $csc_compiler = default; then
 786    if test $endian = big; then
 787       csc_compiler=mcs
 788    elif test $endian = little; then
 789       csc_compiler=roslyn
 790    else
 791       csc_compiler=mcs
 792    fi
 793 fi
 794 AC_MSG_RESULT($csc_compiler)
 795
 796 #
 797 # Set the build profiles and options before things which use them
 798 #
 799
 800 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
 801 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 802 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 803 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
 804 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
 805 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 806 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 807 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
 808 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
 809 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 810 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 811
 812
 813 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 814
 815 dnl
 816 dnl Profile defaults
 817 dnl
 818 TEST_PROFILE=default
 819 enable_llvm_default=no
 820
 821 with_profile4_x_default=no
 822 with_monodroid_default=no
 823 with_monotouch_default=no
 824 with_monotouch_watch_default=no
 825 with_monotouch_tv_default=no
 826 with_xammac_default=no
 827 with_testing_aot_hybrid_default=no
 828 with_testing_aot_full_default=no
 829 with_winaot_default=no
 830 with_orbis_default=no
 831
 832 with_bitcode_default=no
 833 with_cooperative_gc_default=no
 834
 835 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 836
 837 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 838    DISABLE_MCS_DOCS_default=yes
 839 elif test x$with_runtime_preset = xnet_4_x; then
 840    with_profile4_x_default=yes
 841 elif test x$with_runtime_preset = xall; then
 842    with_profile4_x_default=yes
 843    with_monodroid_default=yes
 844    with_monotouch_default=yes
 845    with_monotouch_watch_default=yes
 846    with_monotouch_tv_default=yes
 847    with_xammac_default=yes
 848    with_winaot_default=yes
 849    with_orbis_default=yes
 850 elif test x$with_runtime_preset = xfullaot; then
 851    DISABLE_MCS_DOCS_default=yes
 852    with_testing_aot_full_default=yes
 853    TEST_PROFILE=testing_aot_full
 854
 855    mono_feature_disable_com='yes'
 856    mono_feature_disable_remoting='yes'
 857    mono_feature_disable_reflection_emit_save='yes'
 858    mono_feature_disable_reflection_emit='yes'
 859    mono_feature_disable_appdomains='yes'
 860
 861    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 862
 863    AOT_RUN_FLAGS="--full-aot"
 864 elif test x$with_runtime_preset = xbitcode; then
 865    DISABLE_MCS_DOCS_default=yes
 866    with_testing_aot_full_default=yes
 867    with_bitcode_default=yes
 868    with_cooperative_gc_default=yes
 869    TEST_PROFILE=testing_aot_full
 870    enable_llvm_default=yes
 871
 872    mono_feature_disable_com='yes'
 873    mono_feature_disable_remoting='yes'
 874    mono_feature_disable_reflection_emit_save='yes'
 875    mono_feature_disable_reflection_emit='yes'
 876    mono_feature_disable_appdomains='yes'
 877
 878    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 879    AOT_RUN_FLAGS="--llvmonly"
 880 elif test x$with_runtime_preset = xhybridaot; then
 881    DISABLE_MCS_DOCS_default=yes
 882    with_testing_aot_hybrid_default=yes
 883    TEST_PROFILE=testing_aot_hybrid
 884
 885    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 886    AOT_RUN_FLAGS="--hybrid-aot"
 887 elif test x$with_runtime_preset = xaot; then
 888    with_profile4_x_default=yes
 889
 890    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 891    AOT_RUN_FLAGS=""
 892
 893    DISABLE_MCS_DOCS_default=yes
 894 elif test x$with_runtime_preset = xwinaot; then
 895    DISABLE_MCS_DOCS_default=yes
 896    with_winaot_default=yes
 897    TEST_PROFILE=winaot
 898
 899    mono_feature_disable_com='yes'
 900    mono_feature_disable_remoting='yes'
 901    mono_feature_disable_reflection_emit_save='yes'
 902    mono_feature_disable_reflection_emit='yes'
 903    mono_feature_disable_appdomains='yes'
 904
 905    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 906    AOT_RUN_FLAGS="--full-aot"
 907 elif test x$with_runtime_preset = xorbis; then
 908    DISABLE_MCS_DOCS_default=yes
 909    with_orbis_default=yes
 910    TEST_PROFILE=orbis
 911
 912    mono_feature_disable_com='yes'
 913    mono_feature_disable_remoting='yes'
 914    mono_feature_disable_reflection_emit_save='yes'
 915    mono_feature_disable_reflection_emit='yes'
 916    mono_feature_disable_appdomains='yes'
 917
 918    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 919    AOT_RUN_FLAGS="--full-aot"
 920 else
 921    with_profile4_x_default=yes
 922 fi
 923
 924 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 925    AC_SUBST(AOT_BUILD_FLAGS)
 926    AC_SUBST(AOT_RUN_FLAGS)
 927    # For llvmonlycheck + fullaotcheck
 928    AC_SUBST(INVARIANT_AOT_OPTIONS)
 929 fi
 930
 931 AC_SUBST(TEST_PROFILE)
 932
 933 if test "x$with_profile4_x" = "xdefault"; then
 934    with_profile4_x=$with_profile4_x_default
 935 fi
 936 if test "x$with_monodroid" = "xdefault"; then
 937    with_monodroid=$with_monodroid_default
 938 fi
 939 if test "x$with_monotouch" = "xdefault"; then
 940    with_monotouch=$with_monotouch_default
 941 fi
 942 if test "x$with_monotouch_watch" = "xdefault"; then
 943    with_monotouch_watch=$with_monotouch_watch_default
 944 fi
 945 if test "x$with_monotouch_tv" = "xdefault"; then
 946    with_monotouch_tv=$with_monotouch_tv_default
 947 fi
 948 if test "x$with_bitcode" = "xdefault"; then
 949    with_bitcode=$with_bitcode_default
 950 fi
 951 if test "x$with_xammac" = "xdefault"; then
 952    with_xammac=$with_xammac_default
 953 fi
 954 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 955    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 956 fi
 957 if test "x$with_testing_aot_full" = "xdefault"; then
 958    with_testing_aot_full=$with_testing_aot_full_default
 959 fi
 960 if test "x$with_winaot" = "xdefault"; then
 961    with_winaot=$with_winaot_default
 962 fi
 963 if test "x$with_orbis" = "xdefault"; then
 964    with_orbis=$with_orbis_default
 965 fi
 966
 967
 968 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 969 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 970 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 971 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 972 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 973 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 974 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 975 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 976 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 977 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 978 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 979 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_full"] || [test "x$TEST_PROFILE" = "xwinaot"] || [test "x$TEST_PROFILE" = "xorbis"])
 980 AM_CONDITIONAL(HYBRID_AOT_TESTS, [test "x$TEST_PROFILE" = "xtesting_aot_hybrid"])
 981
 982 default_profile=net_4_x
 983 if test -z "$INSTALL_MONODROID_TRUE"; then :
 984    default_profile=monodroid
 985 fi
 986 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 987    default_profile=monotouch
 988 fi
 989 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 990    default_profile=xammac
 991 fi
 992 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 993    default_profile=testing_aot_hybrid
 994 fi
 995 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 996    default_profile=testing_aot_full
 997 fi
 998 if test -z "$INSTALL_WINAOT_TRUE"; then :
 999    default_profile=winaot
1000 fi
1001 if test -z "$INSTALL_ORBIS_TRUE"; then :
1002    default_profile=orbis
1003 fi
1004 if test -z "$INSTALL_4_x_TRUE"; then :
1005    default_profile=net_4_x
1006 fi
1007 DEFAULT_PROFILE=$default_profile
1008 AC_SUBST(DEFAULT_PROFILE)
1009
1010 #
1011 # End build profile configuration
1012 #
1013
1014 if test x$USE_NLS = xprofile_default; then
1015
1016 if test x$host_darwin = xyes; then
1017 # We make the default value for USE_NLS
1018 # "no" on OSX because it isn't available on most
1019 # default OSX installs. The most common configurations will
1020 # all disable it, so this saves us typing.
1021   USE_NLS=no
1022   AC_SUBST([USE_NLS])
1023   AC_MSG_RESULT([$USE_NLS])
1024 else
1025   USE_NLS=yes
1026   AC_SUBST([USE_NLS])
1027   AC_MSG_RESULT([$USE_NLS])
1028 fi
1029
1030 fi
1031
1032 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1033      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1034      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1035          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1036 [
1037         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1038                 eval "mono_feature_disable_$feature='yes'"
1039         done
1040         DISABLED_FEATURES=$enable_minimal
1041         disabled="Disabled:      $enable_minimal"
1042 ],[])
1043
1044 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1045
1046 if test "x$mono_feature_disable_aot" = "xyes"; then
1047         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1048         enable_system_aot=no
1049         AC_MSG_NOTICE([Disabled AOT compiler])
1050 fi
1051
1052 if test "x$mono_feature_disable_profiler" = "xyes"; then
1053         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1054         AC_MSG_NOTICE([Disabled support for the profiler])
1055 fi
1056 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1057
1058 if test "x$mono_feature_disable_decimal" = "xyes"; then
1059         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1060         AC_MSG_NOTICE([Disabled support for decimal])
1061 fi
1062
1063 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1064         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1065         AC_MSG_NOTICE([Disabled support for P/Invoke])
1066 fi
1067
1068 if test "x$mono_feature_disable_debug" = "xyes"; then
1069         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1070         AC_MSG_NOTICE([Disabled support for runtime debugging])
1071 fi
1072
1073 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1074         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1075         mono_feature_disable_reflection_emit_save=yes
1076         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1077 fi
1078
1079 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1080         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1081         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1082 fi
1083
1084 if test "x$mono_feature_disable_large_code" = "xyes"; then
1085         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1086         AC_MSG_NOTICE([Disabled support for large assemblies])
1087 fi
1088
1089 if test "x$mono_feature_disable_logging" = "xyes"; then
1090         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1091         AC_MSG_NOTICE([Disabled support for logging])
1092 fi
1093
1094 if test "x$mono_feature_disable_com" = "xyes"; then
1095         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1096         AC_MSG_NOTICE([Disabled COM support])
1097 fi
1098
1099 if test "x$mono_feature_disable_ssa" = "xyes"; then
1100         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1101         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1102 fi
1103
1104 if test "x$mono_feature_disable_generics" = "xyes"; then
1105         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1106         AC_MSG_NOTICE([Disabled Generics Support])
1107 fi
1108
1109 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1110         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1111         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1112 fi
1113
1114 if test "x$mono_feature_disable_portability" = "xyes"; then
1115         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1116         AC_MSG_NOTICE([Disabled IO Portability layer])
1117 fi
1118
1119 if test "x$mono_feature_disable_attach" = "xyes"; then
1120         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1121         AC_MSG_NOTICE([Disabled agent attach])
1122 fi
1123
1124 if test "x$mono_feature_disable_verifier" = "xyes"; then
1125         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1126         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1127 fi
1128
1129 if test "x$mono_feature_disable_jit" = "xyes"; then
1130         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1131         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1132 fi
1133
1134 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1135
1136 if test "x$mono_feature_disable_simd" = "xyes"; then
1137         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1138         AC_MSG_NOTICE([Disabled SIMD support])
1139 fi
1140
1141 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1142         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1143         AC_MSG_NOTICE([Disabled Soft Debugger.])
1144 fi
1145
1146 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1147         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1148         AC_MSG_NOTICE([Disabled Performance Counters.])
1149 fi
1150 if test "x$mono_feature_disable_normalization" = "xyes"; then
1151         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1152         AC_MSG_NOTICE([Disabled String normalization support.])
1153 fi
1154
1155 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1156         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1157         AC_MSG_NOTICE([Disabled Assembly remapping.])
1158 fi
1159
1160 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1161         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1162         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1163 fi
1164
1165 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1166         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1167         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1168 fi
1169
1170 if test "x$mono_feature_disable_remoting" = "xyes"; then
1171         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1172         AC_MSG_NOTICE([Disabled remoting])
1173 fi
1174
1175 if test "x$mono_feature_disable_security" = "xyes"; then
1176         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1177         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1178 fi
1179
1180 if test "x$mono_feature_disable_lldb" = "xyes"; then
1181         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1182         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1183 fi
1184
1185 if test "x$mono_feature_disable_mdb" = "xyes"; then
1186         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1187         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1188 fi
1189
1190 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1191         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1192         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1193 fi
1194
1195 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1196         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1197         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1198 fi
1199
1200 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1201         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1202         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1203 fi
1204
1205 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1206         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1207         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1208 fi
1209
1210 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1211         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1212         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1213 fi
1214
1215 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1216 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1217
1218 has_extension_module=no
1219 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1220 [
1221         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1222                 if test x$extension = xdefault ; then
1223                         has_extension_module=yes;
1224                 fi
1225         done
1226         if test x$enable_extension_module = xyes; then
1227                 has_extension_module=yes;
1228         fi
1229 ], [])
1230
1231 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1232
1233 if test x$has_extension_module != xno ; then
1234         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1235         AC_MSG_NOTICE([Enabling mono extension module.])
1236 fi
1237
1238 # Deprecated
1239 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1240
1241 AC_MSG_CHECKING(for visibility __attribute__)
1242 AC_COMPILE_IFELSE([
1243         AC_LANG_SOURCE([[
1244                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1245                 int main () { doit (); return 0; }
1246         ]])
1247 ], [
1248    have_visibility_hidden=yes
1249    AC_MSG_RESULT(yes)
1250 ], [
1251    have_visibility_hidden=no
1252    AC_MSG_RESULT(no)
1253 ])
1254
1255 dnl
1256 dnl Boehm GC configuration
1257 dnl
1258
1259 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1260
1261 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1262 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1263
1264 if test "x$support_boehm" = "xyes"; then
1265
1266         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1267         if test x$enable_parallel_mark = xyes; then
1268                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1269         fi
1270
1271         gc_msg=""
1272         LIBGC_CPPFLAGS=
1273         LIBGC_LIBS=
1274         LIBGC_STATIC_LIBS=
1275         libgc_dir=
1276         case "x$libgc" in
1277                 xincluded)
1278                         if test "x$support_boehm" = "xyes"; then
1279                                 libgc_dir=libgc
1280                         fi
1281
1282                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1283                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1284                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1285
1286                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1287
1288                         if test x$target_win32 = xyes; then
1289                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1290                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1291                         fi
1292
1293                         gc_msg="Included Boehm GC with typed GC"
1294                         if test x$enable_parallel_mark = xyes; then
1295                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1296                                 gc_msg="$gc_msg and parallel mark"
1297                         else
1298                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1299                         fi
1300                         ;;
1301
1302                 xboehm|xbohem|xyes)
1303                         AC_MSG_WARN("External Boehm is no longer supported")
1304                         ;;
1305
1306                 xsgen)
1307                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1308                         ;;
1309
1310                 xnone)
1311                         AC_MSG_WARN("Compiling mono without GC.")
1312                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1313                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1314                         gc_msg="none"
1315                         ;;
1316                 *)
1317                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1318                         ;;
1319         esac
1320
1321         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1322         if test "x$large_heap" = "xyes"; then
1323            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1324         fi
1325
1326         AC_SUBST(LIBGC_CPPFLAGS)
1327         AC_SUBST(LIBGC_LIBS)
1328         AC_SUBST(LIBGC_STATIC_LIBS)
1329         AC_SUBST(libgc_dir)
1330         AC_SUBST(BOEHM_DEFINES)
1331
1332 fi
1333
1334 dnl
1335 dnl End of Boehm GC Configuration
1336 dnl
1337
1338 dnl *************************************
1339 dnl *** Checks for zero length arrays ***
1340 dnl *************************************
1341 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1342 AC_TRY_COMPILE([
1343         struct s {
1344                 int  length;
1345                 char data [0];
1346         };
1347 ], [], [
1348         AC_MSG_RESULT(yes)
1349         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1350 ], [
1351         AC_MSG_RESULT(no)
1352         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1353 ])
1354
1355 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1356
1357 dnl ***********************************
1358 dnl *** Checks for signals
1359 dnl ***********************************
1360 AC_CHECK_HEADERS(signal.h)
1361 AC_CHECK_FUNCS(sigaction)
1362 AC_CHECK_FUNCS(kill)
1363 AC_CHECK_FUNCS(signal)
1364
1365 # signal() is declared inline in Android headers
1366 # so we need to workaround it by overriding the check.
1367 if test x$platform_android = xyes; then
1368         AC_DEFINE(HAVE_SIGNAL,1)
1369 fi
1370
1371 if test x$host_win32 = xno; then
1372
1373         dnl hires monotonic clock support
1374         AC_SEARCH_LIBS(clock_gettime, rt)
1375         AC_CHECK_FUNCS(clock_nanosleep)
1376
1377         dnl dynamic loader support
1378         AC_CHECK_FUNC(dlopen, DL_LIB="",
1379                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1380         )
1381         if test x$dl_support = xno; then
1382                 AC_MSG_WARN([No dynamic loading support available])
1383         else
1384                 LIBS="$LIBS $DL_LIB"
1385                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1386                 dnl from glib's configure.ac
1387                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1388                         mono_cv_uscore,[
1389                         AC_TRY_RUN([#include <dlfcn.h>
1390                         int mono_underscore_test (void) { return 42; }
1391                         int main() {
1392                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1393                           handle = dlopen ((void*)0, 0);
1394                           if (handle) {
1395                             f1 = dlsym (handle, "mono_underscore_test");
1396                             f2 = dlsym (handle, "_mono_underscore_test");
1397                           } return (!f2 || f1);
1398                         }],
1399                                 [mono_cv_uscore=yes],
1400                                 [mono_cv_uscore=no],
1401                         [])
1402                 ])
1403                 if test "x$mono_cv_uscore" = "xyes"; then
1404                         MONO_DL_NEED_USCORE=1
1405                 else
1406                         MONO_DL_NEED_USCORE=0
1407                 fi
1408                 AC_SUBST(MONO_DL_NEED_USCORE)
1409                 AC_CHECK_FUNC(dlerror)
1410         fi
1411
1412         dnl ******************************************************************
1413         dnl *** Checks for the IKVM JNI interface library                  ***
1414         dnl ******************************************************************
1415         AC_ARG_WITH(ikvm-native, [  --with-ikvm-native=yes,no      build the IKVM JNI interface library (defaults to yes)],[with_ikvm_native=$withval],[with_ikvm_native=$ikvm_native])
1416
1417         ikvm_native_dir=
1418         if test x$with_ikvm_native = xyes; then
1419                 ikvm_native_dir=ikvm-native
1420                 jdk_headers_found="IKVM Native"
1421         fi
1422
1423         AC_SUBST(ikvm_native_dir)
1424
1425         AC_CHECK_HEADERS(execinfo.h)
1426
1427         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1428
1429         AC_CHECK_FUNCS(getgrgid_r)
1430         AC_CHECK_FUNCS(getgrnam_r)
1431         AC_CHECK_FUNCS(getpwnam_r)
1432         AC_CHECK_FUNCS(getpwuid_r)
1433         AC_CHECK_FUNCS(getresuid)
1434         AC_CHECK_FUNCS(setresuid)
1435         AC_CHECK_FUNCS(kqueue)
1436         AC_CHECK_FUNCS(backtrace_symbols)
1437         AC_CHECK_FUNCS(mkstemp)
1438         AC_CHECK_FUNCS(mmap)
1439         AC_CHECK_FUNCS(madvise)
1440         AC_CHECK_FUNCS(getrusage)
1441         AC_CHECK_FUNCS(getpriority)
1442         AC_CHECK_FUNCS(setpriority)
1443         AC_CHECK_FUNCS(dl_iterate_phdr)
1444         AC_CHECK_FUNCS(dladdr)
1445         AC_CHECK_FUNCS(sysconf)
1446         AC_CHECK_FUNCS(getrlimit)
1447         AC_CHECK_FUNCS(prctl)
1448
1449         AC_CHECK_FUNCS(sched_getaffinity)
1450         AC_CHECK_FUNCS(sched_setaffinity)
1451         AC_CHECK_FUNCS(sched_getcpu)
1452
1453         dnl ****************************************************************
1454         dnl *** Check for sched_setaffinity from glibc versions before   ***
1455         dnl *** 2.3.4. The older versions of the function only take 2    ***
1456         dnl *** parameters, not 3.                                       ***
1457         dnl ***                                                          ***
1458         dnl *** Because the interface change was not made in a minor     ***
1459         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1460         dnl *** won't always indicate the interface sched_affinity has.  ***
1461         dnl ****************************************************************
1462         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1463         AC_TRY_COMPILE([#include <sched.h>], [
1464             int mask = 1;
1465             sched_setaffinity(0, &mask);
1466                         return 0;
1467         ], [
1468                 # Yes, we have it...
1469                 AC_MSG_RESULT(yes)
1470                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1471         ], [
1472                 # We have the new, three-parameter version
1473                 AC_MSG_RESULT(no)
1474         ])
1475         AC_TRY_COMPILE([#include <sched.h>], [
1476              CPU_COUNT((void *) 0);
1477         ], [
1478                 AC_MSG_RESULT(yes)
1479                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1480         ], [
1481                 # We have the new, three-parameter version
1482                 AC_MSG_RESULT(no)
1483         ])
1484
1485         dnl ******************************************************************
1486         dnl *** Check for large file support                               ***
1487         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1488         dnl ******************************************************************
1489
1490         # Check that off_t can represent 2**63 - 1 correctly, working around
1491         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1492         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1493         large_offt=no
1494         AC_DEFUN([LARGE_FILES], [
1495                 large_CPPFLAGS=$CPPFLAGS
1496                 CPPFLAGS="$CPPFLAGS $1"
1497                 AC_TRY_COMPILE([
1498                         #include <sys/types.h>
1499                         #include <limits.h>
1500                 ], [
1501                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1502                         #define COMPILE_TIME_ASSERT(pred) \
1503                                 switch(0){case 0:case pred:;}
1504                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1505                 ], [
1506                         AC_MSG_RESULT(ok)
1507                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1508                         large_CPPFLAGS="$large_CPPFLAGS $1"
1509                         large_offt=yes
1510                 ], [
1511                         AC_MSG_RESULT(no)
1512                 ])
1513                 CPPFLAGS=$large_CPPFLAGS
1514         ])
1515
1516         AC_MSG_CHECKING(if off_t is 64 bits wide)
1517         LARGE_FILES("")
1518         if test $large_offt = no; then
1519                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1520                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1521         fi
1522         if test $large_offt = no; then
1523                 AC_MSG_WARN([No 64 bit file size support available])
1524         fi
1525
1526         dnl *****************************
1527         dnl *** Checks for libsocket  ***
1528         dnl *****************************
1529         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1530
1531         case "$host" in
1532                 *-*-*freebsd*)
1533                         dnl *****************************
1534                         dnl *** Checks for libinotify ***
1535                         dnl *****************************
1536                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1537         esac
1538
1539         dnl *******************************
1540         dnl *** Checks for MSG_NOSIGNAL ***
1541         dnl *******************************
1542         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1543         AC_TRY_COMPILE([#include <sys/socket.h>], [
1544                 int f = MSG_NOSIGNAL;
1545         ], [
1546                 # Yes, we have it...
1547                 AC_MSG_RESULT(yes)
1548                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1549         ], [
1550                 # We'll have to use signals
1551                 AC_MSG_RESULT(no)
1552         ])
1553
1554         dnl *****************************
1555         dnl *** Checks for IPPROTO_IP ***
1556         dnl *****************************
1557         AC_MSG_CHECKING(for IPPROTO_IP)
1558         AC_TRY_COMPILE([#include <netinet/in.h>], [
1559                 int level = IPPROTO_IP;
1560         ], [
1561                 # Yes, we have it...
1562                 AC_MSG_RESULT(yes)
1563                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1564         ], [
1565                 # We'll have to use getprotobyname
1566                 AC_MSG_RESULT(no)
1567         ])
1568
1569         dnl *******************************
1570         dnl *** Checks for IPPROTO_IPV6 ***
1571         dnl *******************************
1572         AC_MSG_CHECKING(for IPPROTO_IPV6)
1573         AC_TRY_COMPILE([#include <netinet/in.h>], [
1574                 int level = IPPROTO_IPV6;
1575         ], [
1576                 # Yes, we have it...
1577                 AC_MSG_RESULT(yes)
1578                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1579         ], [
1580                 # We'll have to use getprotobyname
1581                 AC_MSG_RESULT(no)
1582         ])
1583
1584         dnl ******************************
1585         dnl *** Checks for IPPROTO_TCP ***
1586         dnl ******************************
1587         AC_MSG_CHECKING(for IPPROTO_TCP)
1588         AC_TRY_COMPILE([#include <netinet/in.h>], [
1589                 int level = IPPROTO_TCP;
1590         ], [
1591                 # Yes, we have it...
1592                 AC_MSG_RESULT(yes)
1593                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1594         ], [
1595                 # We'll have to use getprotobyname
1596                 AC_MSG_RESULT(no)
1597         ])
1598
1599         dnl *****************************
1600         dnl *** Checks for SOL_IP     ***
1601         dnl *****************************
1602         AC_MSG_CHECKING(for SOL_IP)
1603         AC_TRY_COMPILE([#include <netdb.h>], [
1604                 int level = SOL_IP;
1605         ], [
1606                 # Yes, we have it...
1607                 AC_MSG_RESULT(yes)
1608                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1609         ], [
1610                 # We'll have to use getprotobyname
1611                 AC_MSG_RESULT(no)
1612         ])
1613
1614         dnl *****************************
1615         dnl *** Checks for SOL_IPV6     ***
1616         dnl *****************************
1617         AC_MSG_CHECKING(for SOL_IPV6)
1618         AC_TRY_COMPILE([#include <netdb.h>], [
1619                 int level = SOL_IPV6;
1620         ], [
1621                 # Yes, we have it...
1622                 AC_MSG_RESULT(yes)
1623                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1624         ], [
1625                 # We'll have to use getprotobyname
1626                 AC_MSG_RESULT(no)
1627         ])
1628
1629         dnl *****************************
1630         dnl *** Checks for SOL_TCP    ***
1631         dnl *****************************
1632         AC_MSG_CHECKING(for SOL_TCP)
1633         AC_TRY_COMPILE([#include <netdb.h>], [
1634                 int level = SOL_TCP;
1635         ], [
1636                 # Yes, we have it...
1637                 AC_MSG_RESULT(yes)
1638                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1639         ], [
1640                 # We'll have to use getprotobyname
1641                 AC_MSG_RESULT(no)
1642         ])
1643
1644         dnl *****************************
1645         dnl *** Checks for IP_PKTINFO ***
1646         dnl *****************************
1647         AC_MSG_CHECKING(for IP_PKTINFO)
1648         AC_TRY_COMPILE([#include <linux/in.h>], [
1649                 int level = IP_PKTINFO;
1650         ], [
1651                 # Yes, we have it...
1652                 AC_MSG_RESULT(yes)
1653                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1654         ], [
1655                 AC_MSG_RESULT(no)
1656         ])
1657
1658         dnl *****************************
1659         dnl *** Checks for IPV6_PKTINFO ***
1660         dnl *****************************
1661         AC_MSG_CHECKING(for IPV6_PKTINFO)
1662         AC_TRY_COMPILE([#include <netdb.h>], [
1663                 int level = IPV6_PKTINFO;
1664         ], [
1665                 # Yes, we have it...
1666                 AC_MSG_RESULT(yes)
1667                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1668         ], [
1669                 AC_MSG_RESULT(no)
1670         ])
1671
1672         dnl **********************************
1673         dnl *** Checks for IP_DONTFRAG     ***
1674         dnl **********************************
1675         AC_MSG_CHECKING(for IP_DONTFRAG)
1676         AC_TRY_COMPILE([#include <netinet/in.h>], [
1677                 int level = IP_DONTFRAG;
1678         ], [
1679                 # Yes, we have it...
1680                 AC_MSG_RESULT(yes)
1681                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1682         ], [
1683                 AC_MSG_RESULT(no)
1684         ])
1685
1686         dnl **********************************
1687         dnl *** Checks for IP_DONTFRAGMENT ***
1688         dnl **********************************
1689         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1690         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1691                 int level = IP_DONTFRAGMENT;
1692         ], [
1693                 # Yes, we have it...
1694                 AC_MSG_RESULT(yes)
1695                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1696         ], [
1697                 AC_MSG_RESULT(no)
1698         ])
1699
1700         dnl **********************************
1701         dnl *** Checks for IP_MTU_DISCOVER ***
1702         dnl **********************************
1703         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1704         AC_TRY_COMPILE([#include <linux/in.h>], [
1705                 int level = IP_MTU_DISCOVER;
1706         ], [
1707                 # Yes, we have it...
1708                 AC_MSG_RESULT(yes)
1709                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1710         ], [
1711                 AC_MSG_RESULT(no)
1712         ])
1713
1714         dnl **********************************
1715         dnl *** Checks for  IP_PMTUDISC_DO ***
1716         dnl **********************************
1717         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1718         AC_TRY_COMPILE([#include <linux/in.h>], [
1719                 int level = IP_PMTUDISC_DO;
1720         ], [
1721                 # Yes, we have it...
1722                 AC_MSG_RESULT(yes)
1723                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1724         ], [
1725                 AC_MSG_RESULT(no)
1726         ])
1727
1728         dnl *********************************
1729         dnl *** Check for struct ip_mreqn ***
1730         dnl *********************************
1731         AC_MSG_CHECKING(for struct ip_mreqn)
1732         AC_TRY_COMPILE([#include <netinet/in.h>], [
1733                 struct ip_mreqn mreq;
1734                 mreq.imr_address.s_addr = 0;
1735         ], [
1736                 # Yes, we have it...
1737                 AC_MSG_RESULT(yes)
1738                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1739         ], [
1740                 # We'll just have to try and use struct ip_mreq
1741                 AC_MSG_RESULT(no)
1742                 AC_MSG_CHECKING(for struct ip_mreq)
1743                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1744                         struct ip_mreq mreq;
1745                         mreq.imr_interface.s_addr = 0;
1746                 ], [
1747                         # Yes, we have it...
1748                         AC_MSG_RESULT(yes)
1749                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1750                 ], [
1751                         # No multicast support
1752                         AC_MSG_RESULT(no)
1753                 ])
1754         ])
1755
1756         dnl **********************************
1757         dnl *** Check for getaddrinfo ***
1758         dnl **********************************
1759         AC_MSG_CHECKING(for getaddrinfo)
1760                 AC_TRY_LINK([
1761                 #include <stdio.h>
1762                 #include <netdb.h>
1763         ], [
1764                 getaddrinfo(NULL,NULL,NULL,NULL);
1765         ], [
1766                 # Yes, we have it...
1767                 AC_MSG_RESULT(yes)
1768                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1769         ], [
1770                 AC_MSG_RESULT(no)
1771         ])
1772
1773         dnl **********************************
1774         dnl *** Check for gethostbyname2_r ***
1775         dnl **********************************
1776         AC_MSG_CHECKING(for gethostbyname2_r)
1777                 AC_TRY_LINK([
1778                 #include <stdio.h>
1779                 #include <netdb.h>
1780         ], [
1781
1782                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1783         ], [
1784                 # Yes, we have it...
1785                 AC_MSG_RESULT(yes)
1786                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1787         ], [
1788                 AC_MSG_RESULT(no)
1789         ])
1790
1791         dnl **********************************
1792         dnl *** Check for gethostbyname2 ***
1793         dnl **********************************
1794         AC_MSG_CHECKING(for gethostbyname2)
1795                 AC_TRY_LINK([
1796                 #include <stdio.h>
1797                 #include <netdb.h>
1798         ], [
1799                 gethostbyname2(NULL,0);
1800         ], [
1801                 # Yes, we have it...
1802                 AC_MSG_RESULT(yes)
1803                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1804         ], [
1805                 AC_MSG_RESULT(no)
1806         ])
1807
1808         dnl **********************************
1809         dnl *** Check for gethostbyname ***
1810         dnl **********************************
1811         AC_MSG_CHECKING(for gethostbyname)
1812                 AC_TRY_LINK([
1813                 #include <stdio.h>
1814                 #include <netdb.h>
1815         ], [
1816                 gethostbyname(NULL);
1817         ], [
1818                 # Yes, we have it...
1819                 AC_MSG_RESULT(yes)
1820                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1821         ], [
1822                 AC_MSG_RESULT(no)
1823         ])
1824
1825         dnl **********************************
1826         dnl *** Check for getprotobyname ***
1827         dnl **********************************
1828         AC_MSG_CHECKING(for getprotobyname)
1829                 AC_TRY_LINK([
1830                 #include <stdio.h>
1831                 #include <netdb.h>
1832         ], [
1833                 getprotobyname(NULL);
1834         ], [
1835                 # Yes, we have it...
1836                 AC_MSG_RESULT(yes)
1837                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1838         ], [
1839                 AC_MSG_RESULT(no)
1840         ])
1841
1842         dnl **********************************
1843         dnl *** Check for getnameinfo ***
1844         dnl **********************************
1845         AC_MSG_CHECKING(for getnameinfo)
1846                 AC_TRY_LINK([
1847                 #include <stdio.h>
1848                 #include <netdb.h>
1849         ], [
1850                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1851         ], [
1852                 # Yes, we have it...
1853                 AC_MSG_RESULT(yes)
1854                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1855         ], [
1856                 AC_MSG_RESULT(no)
1857         ])
1858
1859
1860         dnl **********************************
1861         dnl *** Check for inet_ntop ***
1862         dnl **********************************
1863         AC_MSG_CHECKING(for inet_ntop)
1864                 AC_TRY_LINK([
1865                 #include <stdio.h>
1866                 #include <arpa/inet.h>
1867         ], [
1868                 inet_ntop (0, NULL, NULL, 0);
1869         ], [
1870                 # Yes, we have it...
1871                 AC_MSG_RESULT(yes)
1872                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1873         ], [
1874                 AC_MSG_RESULT(no)
1875         ])
1876
1877         dnl *****************************
1878         dnl *** Checks for libnsl     ***
1879         dnl *****************************
1880         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1881
1882         AC_CHECK_FUNCS(inet_pton inet_aton)
1883
1884         dnl *****************************
1885         dnl *** Checks for libxnet    ***
1886         dnl *****************************
1887         case "${host}" in
1888                 *solaris* )
1889                         AC_MSG_CHECKING(for Solaris XPG4 support)
1890                         if test -f /usr/lib/libxnet.so; then
1891                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1892                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1893                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1894                                 LIBS="$LIBS -lxnet"
1895                                 AC_MSG_RESULT(yes)
1896                         else
1897                                 AC_MSG_RESULT(no)
1898                         fi
1899
1900                         if test "$GCC" = "yes"; then
1901                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1902                         fi
1903                 ;;
1904         esac
1905
1906         dnl *****************************
1907         dnl *** Checks for libpthread ***
1908         dnl *****************************
1909 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1910 # and libpthread does not exist
1911 #
1912         case "${host}" in
1913                 *-*-*freebsd*)
1914                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1915                 ;;
1916                 *-*-*openbsd*)
1917                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1918                 ;;
1919                 *)
1920                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1921                 ;;
1922         esac
1923         AC_CHECK_HEADERS(pthread.h)
1924         AC_CHECK_HEADERS(pthread_np.h)
1925         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1926         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1927         AC_CHECK_FUNCS(pthread_kill)
1928         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1929         AC_TRY_COMPILE([ #include <pthread.h>], [
1930                 pthread_mutexattr_t attr;
1931                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1932         ], [
1933                 AC_MSG_RESULT(ok)
1934         ], [
1935                 AC_MSG_RESULT(no)
1936                 AC_ERROR(Posix system lacks support for recursive mutexes)
1937         ])
1938         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1939         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1940         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1941
1942         dnl **********************************
1943         dnl *** Check for mincore ***
1944         dnl **********************************
1945         AC_MSG_CHECKING(for mincore)
1946                 AC_TRY_LINK([
1947                 #include <stdio.h>
1948                 #include <sys/types.h>
1949                 #include <sys/mman.h>
1950         ], [
1951                 mincore(NULL, 0, NULL);
1952         ], [
1953                 # Yes, we have it...
1954                 AC_MSG_RESULT(yes)
1955                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1956         ], [
1957                 AC_MSG_RESULT(no)
1958         ])
1959
1960         dnl ***********************************
1961         dnl *** Checks for working __thread ***
1962         dnl ***********************************
1963         AC_MSG_CHECKING(for working __thread)
1964         if test "x$with_tls" != "x__thread"; then
1965                 AC_MSG_RESULT(disabled)
1966         elif test "x$cross_compiling" = "xyes"; then
1967                 AC_MSG_RESULT(cross compiling, assuming yes)
1968         else
1969                 AC_TRY_RUN([
1970                         #if defined(__APPLE__) && defined(__clang__)
1971                         #error "__thread does not currently work with clang on Mac OS X"
1972                         #endif
1973
1974                         #include <pthread.h>
1975                         __thread int i;
1976                         static int res1, res2;
1977
1978                         void thread_main (void *arg)
1979                         {
1980                                 i = arg;
1981                                 sleep (1);
1982                                 if (arg == 1)
1983                                         res1 = (i == arg);
1984                                 else
1985                                         res2 = (i == arg);
1986                         }
1987
1988                         int main () {
1989                                 pthread_t t1, t2;
1990
1991                                 i = 5;
1992
1993                                 pthread_create (&t1, NULL, thread_main, 1);
1994                                 pthread_create (&t2, NULL, thread_main, 2);
1995
1996                                 pthread_join (t1, NULL);
1997                                 pthread_join (t2, NULL);
1998
1999                                 return !(res1 + res2 == 2);
2000                         }
2001                 ], [
2002                                 AC_MSG_RESULT(yes)
2003                 ], [
2004                                 AC_MSG_RESULT(no)
2005                                 with_tls=pthread
2006                 ])
2007         fi
2008
2009         dnl **************************************
2010         dnl *** Checks for working sigaltstack ***
2011         dnl **************************************
2012         AC_MSG_CHECKING(for working sigaltstack)
2013         if test "x$with_sigaltstack" != "xyes"; then
2014                 AC_MSG_RESULT(disabled)
2015         elif test "x$cross_compiling" = "xyes"; then
2016                 AC_MSG_RESULT(cross compiling, assuming yes)
2017         else
2018                 AC_TRY_RUN([
2019                         #include <stdio.h>
2020                         #include <stdlib.h>
2021                         #include <unistd.h>
2022                         #include <signal.h>
2023                         #include <pthread.h>
2024                         #include <sys/wait.h>
2025                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2026                         #define SA_STACK SA_ONSTACK
2027                         #endif
2028                         static void
2029                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2030                         {
2031                                 exit (0);
2032                         }
2033
2034                         volatile char*__ptr = NULL;
2035                         static void *
2036                         loop (void *ignored)
2037                         {
2038                                 *__ptr = 0;
2039                                 return NULL;
2040                         }
2041
2042                         static void
2043                         child ()
2044                         {
2045                                 struct sigaction sa;
2046                         #ifdef __APPLE__
2047                                 stack_t sas;
2048                         #else
2049                                 struct sigaltstack sas;
2050                         #endif
2051                                 pthread_t id;
2052                                 pthread_attr_t attr;
2053
2054                                 sa.sa_sigaction = sigsegv_signal_handler;
2055                                 sigemptyset (&sa.sa_mask);
2056                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2057                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2058                                         perror ("sigaction");
2059                                         return;
2060                                 }
2061
2062                                 /* x86 darwin deliver segfaults using SIGBUS */
2063                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2064                                         perror ("sigaction");
2065                                         return;
2066                                 }
2067                                 sas.ss_sp = malloc (SIGSTKSZ);
2068                                 sas.ss_size = SIGSTKSZ;
2069                                 sas.ss_flags = 0;
2070                                 if (sigaltstack (&sas, NULL) == -1) {
2071                                         perror ("sigaltstack");
2072                                         return;
2073                                 }
2074
2075                                 pthread_attr_init (&attr);
2076                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2077                                         printf ("pthread_create\n");
2078                                         return;
2079                                 }
2080
2081                                 sleep (100);
2082                         }
2083
2084                         int
2085                         main ()
2086                         {
2087                                 pid_t son;
2088                                 int status;
2089                                 int i;
2090
2091                                 son = fork ();
2092                                 if (son == -1) {
2093                                         return 1;
2094                                 }
2095
2096                                 if (son == 0) {
2097                                         child ();
2098                                         return 0;
2099                                 }
2100
2101                                 for (i = 0; i < 300; ++i) {
2102                                         waitpid (son, &status, WNOHANG);
2103                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2104                                                 return 0;
2105                                         usleep (10000);
2106                                 }
2107
2108                                 kill (son, SIGKILL);
2109                                 return 1;
2110                         }
2111
2112                 ], [
2113                                 AC_MSG_RESULT(yes)
2114                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2115                 ], [
2116                                 with_sigaltstack=no
2117                                 AC_MSG_RESULT(no)
2118                 ])
2119         fi
2120
2121         dnl ********************************
2122         dnl *** Checks for semaphore lib ***
2123         dnl ********************************
2124         # 'Real Time' functions on Solaris
2125         # posix4 on Solaris 2.6
2126         # pthread (first!) on Linux
2127         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2128
2129         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2130         AC_CHECK_FUNCS(shm_open)
2131
2132         dnl ********************************
2133         dnl *** Checks for timezone stuff **
2134         dnl ********************************
2135         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2136                 AC_TRY_COMPILE([
2137                         #include <time.h>
2138                         ], [
2139                         struct tm tm;
2140                         tm.tm_gmtoff = 1;
2141                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2142         if test $ac_cv_struct_tm_gmtoff = yes; then
2143                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2144         else
2145                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2146                         AC_TRY_COMPILE([
2147                                 #include <time.h>
2148                         ], [
2149                                 timezone = 1;
2150                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2151                 if test $ac_cv_var_timezone = yes; then
2152                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2153                 else
2154                         AC_ERROR(unable to find a way to determine timezone)
2155                 fi
2156         fi
2157
2158         dnl *********************************
2159         dnl *** Checks for math functions ***
2160         dnl *********************************
2161         AC_SEARCH_LIBS(sqrtf, m)
2162         if test "x$has_broken_apple_cpp" != "xyes"; then
2163                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2164                         AC_TRY_LINK([#include <math.h>],
2165                         [ finite(0.0); ],
2166                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2167                         AC_MSG_RESULT(no)))
2168         fi
2169         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2170                 AC_TRY_LINK([#include <math.h>],
2171                 [ isfinite(0.0); ],
2172                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2173                 AC_MSG_RESULT(no)))
2174
2175         dnl ****************************************************************
2176         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2177         dnl *** have it in the library (duh))                            ***
2178         dnl ****************************************************************
2179         AC_CHECK_FUNCS(poll)
2180
2181         dnl *************************
2182         dnl *** Check for signbit ***
2183         dnl *************************
2184         AC_MSG_CHECKING(for signbit)
2185         AC_TRY_LINK([#include <math.h>], [
2186                 int s = signbit(1.0);
2187         ], [
2188                 AC_MSG_RESULT(yes)
2189                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2190         ], [
2191                 AC_MSG_RESULT(no)
2192         ])
2193
2194         dnl **********************************
2195         dnl *** epoll                      ***
2196         dnl **********************************
2197         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2198                 AC_CHECK_HEADERS(sys/epoll.h)
2199                 haveepoll=no
2200                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2201                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2202                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2203                 fi
2204         fi
2205
2206         havekqueue=no
2207
2208         AC_CHECK_HEADERS(sys/event.h)
2209         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2210
2211         dnl **************************************
2212         dnl * Darwin has a race that prevents us from using reliably:
2213         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2214         dnl * Since kqueue is mostly used for scaling large web servers,
2215         dnl * and very few folks run Mono on large web servers on OSX, falling
2216         dnl * back
2217         dnl **************************************
2218         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2219                 if test "x$host_darwin" = "xno"; then
2220                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2221                 fi
2222         fi
2223
2224         dnl ******************************
2225         dnl *** Checks for SIOCGIFCONF ***
2226         dnl ******************************
2227         AC_CHECK_HEADERS(sys/ioctl.h)
2228         AC_CHECK_HEADERS(net/if.h, [], [],
2229            [
2230            #ifdef HAVE_SYS_TYPES_H
2231            # include <sys/types.h>
2232            #endif
2233            #ifdef HAVE_SYS_SOCKET_H
2234            # include <sys/socket.h>
2235            #endif
2236            ])
2237         AC_MSG_CHECKING(for ifreq)
2238         AC_TRY_COMPILE([
2239                 #include <stdio.h>
2240                 #include <sys/ioctl.h>
2241                 #include <net/if.h>
2242                 ], [
2243                 struct ifconf ifc;
2244                 struct ifreq *ifr;
2245                 void *x;
2246                 ifc.ifc_len = 0;
2247                 ifc.ifc_buf = NULL;
2248                 x = (void *) &ifr->ifr_addr;
2249                 ],[
2250                         AC_MSG_RESULT(yes)
2251                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2252                 ], [
2253                         AC_MSG_RESULT(no)
2254                 ])
2255         dnl **********************************
2256         dnl ***     Checks for sin_len     ***
2257         dnl **********************************
2258         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2259         AC_TRY_COMPILE([
2260                 #include <netinet/in.h>
2261                 ], [
2262                 struct sockaddr_in saddr;
2263                 saddr.sin_len = sizeof (saddr);
2264                 ],[
2265                         AC_MSG_RESULT(yes)
2266                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2267                 ], [
2268                         AC_MSG_RESULT(no)
2269                 ])
2270         dnl **********************************
2271         dnl ***    Checks for sin6_len     ***
2272         dnl **********************************
2273         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2274         AC_TRY_COMPILE([
2275                 #include <netinet/in.h>
2276                 ], [
2277                 struct sockaddr_in6 saddr6;
2278                 saddr6.sin6_len = sizeof (saddr6);
2279                 ],[
2280                         AC_MSG_RESULT(yes)
2281                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2282                 ], [
2283                         AC_MSG_RESULT(no)
2284                 ])
2285         dnl **********************************
2286         dnl *** Check for getifaddrs       ***
2287         dnl **********************************
2288         AC_MSG_CHECKING(for getifaddrs)
2289                 AC_TRY_LINK([
2290                 #include <stdio.h>
2291                 #include <sys/types.h>
2292                 #include <sys/socket.h>
2293                 #include <ifaddrs.h>
2294         ], [
2295                 getifaddrs(NULL);
2296         ], [
2297                 # Yes, we have it...
2298                 AC_MSG_RESULT(yes)
2299                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2300         ], [
2301                 AC_MSG_RESULT(no)
2302         ])
2303         dnl **********************************
2304         dnl *** Check for if_nametoindex   ***
2305         dnl **********************************
2306         AC_MSG_CHECKING(for if_nametoindex)
2307                 AC_TRY_LINK([
2308                 #include <stdio.h>
2309                 #include <sys/types.h>
2310                 #include <sys/socket.h>
2311                 #include <net/if.h>
2312         ], [
2313                 if_nametoindex(NULL);
2314         ], [
2315                 # Yes, we have it...
2316                 AC_MSG_RESULT(yes)
2317                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2318         ], [
2319                 AC_MSG_RESULT(no)
2320         ])
2321
2322         dnl **********************************
2323         dnl *** Checks for MonoPosixHelper ***
2324         dnl **********************************
2325         AC_CHECK_HEADERS(checklist.h)
2326         AC_CHECK_HEADERS(pathconf.h)
2327         AC_CHECK_HEADERS(fstab.h)
2328         AC_CHECK_HEADERS(attr/xattr.h)
2329         AC_CHECK_HEADERS(sys/extattr.h)
2330         AC_CHECK_HEADERS(sys/sendfile.h)
2331         AC_CHECK_HEADERS(sys/statvfs.h)
2332         AC_CHECK_HEADERS(sys/statfs.h)
2333         AC_CHECK_HEADERS(sys/vfstab.h)
2334         AC_CHECK_HEADERS(sys/xattr.h)
2335         AC_CHECK_HEADERS(sys/mman.h)
2336         AC_CHECK_HEADERS(sys/param.h)
2337         AC_CHECK_HEADERS(sys/mount.h, [], [],
2338                 [
2339                 #ifdef HAVE_SYS_PARAM_H
2340                 # include <sys/param.h>
2341                 #endif
2342                 ])
2343         AC_CHECK_HEADERS(sys/mount.h)
2344         AC_CHECK_FUNCS(confstr)
2345         AC_CHECK_FUNCS(seekdir telldir)
2346         AC_CHECK_FUNCS(getdomainname)
2347         AC_CHECK_FUNCS(setdomainname)
2348         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2349         AC_CHECK_FUNCS(setgroups)
2350         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2351         AC_CHECK_FUNCS(getfsstat)
2352         AC_CHECK_FUNCS(lutimes futimes)
2353         AC_CHECK_FUNCS(mremap)
2354         AC_CHECK_FUNCS(remap_file_pages)
2355         AC_CHECK_FUNCS(posix_fadvise)
2356         AC_CHECK_FUNCS(posix_fallocate)
2357         AC_CHECK_FUNCS(posix_madvise)
2358         AC_CHECK_FUNCS(vsnprintf)
2359         AC_CHECK_FUNCS(sendfile)
2360         AC_CHECK_FUNCS(gethostid sethostid)
2361         AC_CHECK_FUNCS(sethostname)
2362         AC_CHECK_FUNCS(statfs)
2363         AC_CHECK_FUNCS(fstatfs)
2364         AC_CHECK_FUNCS(statvfs)
2365         AC_CHECK_FUNCS(fstatvfs)
2366         AC_CHECK_FUNCS(stime)
2367         AC_CHECK_FUNCS(strerror_r)
2368         AC_CHECK_FUNCS(ttyname_r)
2369         AC_CHECK_FUNCS(psignal)
2370         AC_CHECK_FUNCS(getlogin_r)
2371         AC_CHECK_FUNCS(lockf)
2372         AC_CHECK_FUNCS(swab)
2373         AC_CHECK_FUNCS(setusershell endusershell)
2374         AC_CHECK_FUNCS(futimens utimensat)
2375         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2376         AC_CHECK_FUNCS(readv writev preadv pwritev)
2377         AC_CHECK_FUNCS(setpgid)
2378         AC_CHECK_FUNCS(system)
2379         AC_CHECK_FUNCS(fork execv execve)
2380         AC_CHECK_FUNCS(accept4)
2381         AC_CHECK_SIZEOF(size_t)
2382         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2383                 [#include <sys/types.h>
2384                  #include <sys/stat.h>
2385                  #include <unistd.h>])
2386         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2387                 [#include <sys/types.h>
2388                  #include <sys/stat.h>
2389                  #include <unistd.h>])
2390         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2391                 [#include <sys/time.h>])
2392         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2393                 [#include <sys/socket.h>])
2394         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2395                 [#include <unistd.h>
2396                  #include <fcntl.h>])
2397         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2398                 [#include <sys/uio.h>])
2399         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2400                 [#include <sys/socket.h>])
2401         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2402                 [#include <sys/poll.h>])
2403         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2404                 [#include <sys/socket.h>])
2405         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2406                 [#include <sys/socket.h>])
2407         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2408                 [#include <netinet/in.h>])
2409         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2410                 [#include <netinet/in.h>])
2411         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2412                 [#include <sys/un.h>])
2413         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2414                 [#include <sys/types.h>
2415                  #include <sys/stat.h>
2416                  #include <unistd.h>])
2417         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2418                 [#include <time.h>])
2419         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2420                 [#include <sys/time.h>
2421                  #include <sys/types.h>
2422                  #include <utime.h>])
2423         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2424                 [#include <sys/time.h>])
2425         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2426                 [#include <sys/types.h>
2427                  #include <utime.h>])
2428         AC_CHECK_MEMBERS(
2429                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2430                 [#include <sys/types.h>
2431                  #include <dirent.h>])
2432         AC_CHECK_MEMBERS(
2433                 [struct passwd.pw_gecos],,,
2434                 [#include <sys/types.h>
2435                  #include <pwd.h>])
2436         AC_CHECK_MEMBERS(
2437                 [struct statfs.f_flags],,,
2438                 [#include <sys/types.h>
2439                  #include <sys/vfs.h>])
2440         AC_CHECK_MEMBERS(
2441                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2442                 [#include <sys/types.h>
2443                  #include <sys/stat.h>
2444                  #include <unistd.h>])
2445
2446         dnl Favour xattr through glibc, but use libattr if we have to
2447         AC_CHECK_FUNC(lsetxattr, ,
2448                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2449         )
2450         AC_SUBST(XATTR_LIB)
2451
2452         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2453         AC_CHECK_MEMBERS(
2454                 [struct kinfo_proc.kp_proc],,,
2455                 [#include <sys/types.h>
2456                  #include <sys/param.h>
2457                  #include <sys/sysctl.h>
2458                  #include <sys/proc.h>
2459                  ])
2460
2461         dnl *********************************
2462         dnl *** Checks for Windows compilation ***
2463         dnl *********************************
2464         AC_CHECK_HEADERS(sys/time.h)
2465         AC_CHECK_HEADERS(sys/param.h)
2466         AC_CHECK_HEADERS(dirent.h)
2467
2468         dnl ******************************************
2469         dnl *** Checks for OSX and iOS compilation ***
2470         dnl ******************************************
2471         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2472
2473         dnl *********************************
2474         dnl *** Check for Console 2.0 I/O ***
2475         dnl *********************************
2476         AC_CHECK_HEADERS([curses.h])
2477         AC_CHECK_HEADERS([term.h], [], [],
2478         [#if HAVE_CURSES_H
2479          #include <curses.h>
2480          #endif
2481         ])
2482         AC_CHECK_HEADERS([termios.h])
2483 else
2484         dnl *********************************
2485         dnl *** Checks for Windows compilation ***
2486         dnl *********************************
2487         AC_CHECK_HEADERS(winternl.h)
2488
2489         jdk_headers_found=no
2490         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2491         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2492         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2493         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2494         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2495         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2496         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2497
2498         dnl *********************************
2499         dnl *** Check for struct ip_mreqn ***
2500         dnl *********************************
2501         AC_MSG_CHECKING(for struct ip_mreqn)
2502         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2503                 struct ip_mreqn mreq;
2504                 mreq.imr_address.s_addr = 0;
2505         ], [
2506                 # Yes, we have it...
2507                 AC_MSG_RESULT(yes)
2508                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2509         ], [
2510                 # We'll just have to try and use struct ip_mreq
2511                 AC_MSG_RESULT(no)
2512                 AC_MSG_CHECKING(for struct ip_mreq)
2513                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2514                         struct ip_mreq mreq;
2515                         mreq.imr_interface.s_addr = 0;
2516                 ], [
2517                         # Yes, we have it...
2518                         AC_MSG_RESULT(yes)
2519                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2520                 ], [
2521                         # No multicast support
2522                         AC_MSG_RESULT(no)
2523                 ])
2524         ])
2525
2526         dnl **********************************
2527         dnl *** Check for getaddrinfo ***
2528         dnl **********************************
2529         AC_MSG_CHECKING(for getaddrinfo)
2530                 AC_TRY_LINK([
2531                 #include <stdio.h>
2532                 #include <winsock2.h>
2533                 #include <ws2tcpip.h>
2534         ], [
2535                 getaddrinfo(NULL,NULL,NULL,NULL);
2536         ], [
2537                 # Yes, we have it...
2538                 AC_MSG_RESULT(yes)
2539                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2540         ], [
2541                 AC_MSG_RESULT(no)
2542         ])
2543
2544         dnl **********************************
2545         dnl *** Check for gethostbyname ***
2546         dnl **********************************
2547         AC_MSG_CHECKING(for gethostbyname)
2548                 AC_TRY_LINK([
2549                 #include <stdio.h>
2550                 #include <winsock2.h>
2551                 #include <ws2tcpip.h>
2552         ], [
2553                 gethostbyname(NULL);
2554         ], [
2555                 # Yes, we have it...
2556                 AC_MSG_RESULT(yes)
2557                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2558         ], [
2559                 AC_MSG_RESULT(no)
2560         ])
2561
2562         dnl **********************************
2563         dnl *** Check for getprotobyname ***
2564         dnl **********************************
2565         AC_MSG_CHECKING(for getprotobyname)
2566                 AC_TRY_LINK([
2567                 #include <stdio.h>
2568                 #include <winsock2.h>
2569                 #include <ws2tcpip.h>
2570         ], [
2571                 getprotobyname(NULL);
2572         ], [
2573                 # Yes, we have it...
2574                 AC_MSG_RESULT(yes)
2575                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2576         ], [
2577                 AC_MSG_RESULT(no)
2578         ])
2579
2580         dnl **********************************
2581         dnl *** Check for getnameinfo ***
2582         dnl **********************************
2583         AC_MSG_CHECKING(for getnameinfo)
2584                 AC_TRY_LINK([
2585                 #include <stdio.h>
2586                 #include <winsock2.h>
2587                 #include <ws2tcpip.h>
2588         ], [
2589                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2590         ], [
2591                 # Yes, we have it...
2592                 AC_MSG_RESULT(yes)
2593                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2594         ], [
2595                 AC_MSG_RESULT(no)
2596         ])
2597
2598         dnl **********************************
2599         dnl *** Check for inet_ntop ***
2600         dnl **********************************
2601         AC_MSG_CHECKING(for inet_ntop)
2602                 AC_TRY_LINK([
2603                 #include <stdio.h>
2604                 #include <winsock2.h>
2605                 #include <ws2tcpip.h>
2606         ], [
2607                 inet_ntop (0, NULL, NULL, 0);
2608         ], [
2609                 # Yes, we have it...
2610                 AC_MSG_RESULT(yes)
2611                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2612         ], [
2613                 AC_MSG_RESULT(no)
2614         ])
2615
2616         dnl **********************************
2617         dnl *** Check for inet_pton ***
2618         dnl **********************************
2619         AC_MSG_CHECKING(for inet_pton)
2620                 AC_TRY_LINK([
2621                 #include <stdio.h>
2622                 #include <winsock2.h>
2623                 #include <ws2tcpip.h>
2624         ], [
2625                 #ifndef inet_pton
2626                 (void) inet_pton;
2627                 #endif
2628                 inet_pton (0, NULL, NULL);
2629         ], [
2630                 # Yes, we have it...
2631                 AC_MSG_RESULT(yes)
2632                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2633         ], [
2634                 AC_MSG_RESULT(no)
2635         ])
2636
2637         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2638         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2639         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2640         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2641         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2642         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2643         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2644 fi
2645
2646 dnl socklen_t check
2647 AC_MSG_CHECKING(for socklen_t)
2648 AC_TRY_COMPILE([
2649 #include <sys/types.h>
2650 #include <sys/socket.h>
2651 ],[
2652   socklen_t foo;
2653 ],[
2654 ac_cv_c_socklen_t=yes
2655         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2656         AC_MSG_RESULT(yes)
2657 ],[
2658         AC_MSG_RESULT(no)
2659 ])
2660
2661 AC_MSG_CHECKING(for array element initializer support)
2662 AC_TRY_COMPILE([#include <sys/socket.h>], [
2663         const int array[] = {[1] = 2,};
2664 ], [
2665         # Yes, we have it...
2666         AC_MSG_RESULT(yes)
2667         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2668 ], [
2669         # We'll have to use signals
2670         AC_MSG_RESULT(no)
2671 ])
2672
2673 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2674         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2675         AC_TRY_LINK([#include <math.h>],
2676         [ static void *p = &trunc; ],
2677         [
2678                 AC_DEFINE(HAVE_TRUNC)
2679                 AC_MSG_RESULT(yes)
2680                 ac_cv_trunc=yes
2681         ],
2682         AC_MSG_RESULT(no)))
2683
2684 if test "x$ac_cv_truncl" != "xyes"; then
2685    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2686 fi
2687
2688 AC_CHECK_FUNCS(execvp)
2689
2690 dnl ****************************
2691 dnl *** Look for /dev/random ***
2692 dnl ****************************
2693
2694 AC_MSG_CHECKING([if usage of random device is requested])
2695 AC_ARG_ENABLE(dev-random,
2696 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2697 try_dev_random=$enableval, try_dev_random=yes)
2698
2699 AC_MSG_RESULT($try_dev_random)
2700
2701 case "{$build}" in
2702     *-openbsd*)
2703     NAME_DEV_RANDOM="/dev/srandom"
2704     ;;
2705
2706 dnl Win32 does not have /dev/random, they have their own method...
2707
2708     *-mingw*|*-*-cygwin*)
2709     ac_cv_have_dev_random=no
2710     ;;
2711
2712 dnl Everywhere else, it's /dev/random
2713
2714     *)
2715     NAME_DEV_RANDOM="/dev/random"
2716     ;;
2717 esac
2718
2719 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2720
2721 dnl Now check if the device actually exists
2722
2723 if test "x$try_dev_random" = "xyes"; then
2724     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2725     [if test -r "$NAME_DEV_RANDOM" ; then
2726         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2727     if test "x$ac_cv_have_dev_random" = "xyes"; then
2728         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2729     fi
2730 else
2731     AC_MSG_CHECKING(for random device)
2732     ac_cv_have_dev_random=no
2733     AC_MSG_RESULT(has been disabled)
2734 fi
2735
2736 if test "x$host_win32" = "xyes"; then
2737     AC_DEFINE(HAVE_CRYPT_RNG)
2738 fi
2739
2740 if test "x$ac_cv_have_dev_random" = "xno" \
2741     && test "x$host_win32" = "xno"; then
2742     AC_MSG_WARN([[
2743 ***
2744 *** A system-provided entropy source was not found on this system.
2745 *** Because of this, the System.Security.Cryptography random number generator
2746 *** will throw a NotImplemented exception.
2747 ***
2748 *** If you are seeing this message, and you know your system DOES have an
2749 *** entropy collection in place, please contact <crichton@gimp.org> and
2750 *** provide information about the system and how to access the random device.
2751 ***
2752 *** Otherwise you can install either egd or prngd and set the environment
2753 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2754 ***]])
2755 fi
2756
2757 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2758
2759 AC_MSG_CHECKING([if big-arrays are to be enabled])
2760 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2761 if test "x$enable_big_arrays" = "xyes" ; then
2762     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2763         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2764     else
2765         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2766     fi
2767 fi
2768 AC_MSG_RESULT($enable_big_arrays)
2769
2770 dnl **************
2771 dnl *** DTRACE ***
2772 dnl **************
2773
2774 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2775
2776 if test "x$enable_dtrace" = "xyes"; then
2777    if test "x$has_dtrace" = "xno"; then
2778           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2779    fi
2780    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2781    if test "x$DTRACE" = "xno"; then
2782           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2783           enable_dtrace=no
2784    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2785           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2786           enable_dtrace=no
2787    fi
2788 fi
2789
2790 dtrace_g=no
2791 if test "x$enable_dtrace" = "xyes"; then
2792         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2793         DTRACEFLAGS=
2794         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2795                 case "$host" in
2796                         powerpc-*-darwin*)
2797                         DTRACEFLAGS="-arch ppc64"
2798                         ;;
2799                         i*86-*-darwin*)
2800                         DTRACEFLAGS="-arch x86_64"
2801                         ;;
2802                         *)
2803                         DTRACEFLAGS=-64
2804                         ;;
2805                 esac
2806         else
2807                 case "$host" in
2808                         powerpc-*-darwin*)
2809                         DTRACEFLAGS="-arch ppc"
2810                         ;;
2811                         i*86-*-darwin*)
2812                         DTRACEFLAGS="-arch i386"
2813                         ;;
2814                         *)
2815                         DTRACEFLAGS=-32
2816                         ;;
2817                 esac
2818         fi
2819         AC_SUBST(DTRACEFLAGS)
2820         case "$host" in
2821                 *-*-solaris*)
2822                 dtrace_g=yes
2823                 ;;
2824         esac
2825         AC_CHECK_HEADERS([sys/sdt.h])
2826 fi
2827 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2828 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2829
2830 dnl **************
2831 dnl ***  NaCl  ***
2832 dnl **************
2833
2834 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2835 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2836
2837 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2838
2839 dnl
2840 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2841 dnl
2842 nacl_self_host=""
2843 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2844    nacl_self_host="nacl_self_host"
2845 fi
2846 AC_SUBST(nacl_self_host)
2847
2848 if test "x$enable_nacl_codegen" = "xyes"; then
2849    MONO_NACL_ALIGN_MASK_OFF=1
2850    AC_DEFINE(TARGET_NACL, 1, [...])
2851    AC_DEFINE(__native_client_codegen__, 1, [...])
2852 fi
2853 if test "x$enable_nacl_gc" = "xyes"; then
2854    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2855       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2856    else
2857       # Not yet implemented
2858       INSTRUMENT_CFLAG=""
2859    fi
2860    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2861 fi
2862 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2863
2864 dnl **************************
2865 dnl *** AOT cross offsets  ***
2866 dnl **************************
2867
2868 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2869     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2870
2871 dnl **************
2872 dnl ***  LLVM  ***
2873 dnl **************
2874
2875 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2876 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2877 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2878 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2879
2880 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2881
2882 if test "x$enable_llvm" = "xdefault"; then
2883    enable_llvm=$enable_llvm_default
2884 fi
2885
2886 if test "x$enable_llvm" = "xyes"; then
2887    if test "x$with_llvm" != "x"; then
2888           LLVM_CONFIG=$with_llvm/bin/llvm-config
2889           if test x$host_win32 = xyes; then
2890                 LLVM_CONFIG=$LLVM_CONFIG.exe
2891           fi
2892           if test ! -x $LLVM_CONFIG; then
2893                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2894       fi
2895    else
2896       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2897       if test "x$LLVM_CONFIG" = "xno"; then
2898              AC_MSG_ERROR([llvm-config not found.])
2899       fi
2900    fi
2901
2902    llvm_codegen="x86codegen"
2903    case "$target" in
2904    arm*)
2905                 llvm_codegen="armcodegen"
2906                 ;;
2907    esac
2908
2909    if test "x$host_win32" = "xno"; then
2910
2911    # Should be something like '2.6' or '2.7svn'
2912    llvm_version=`$LLVM_CONFIG --version`
2913    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2914    AC_MSG_CHECKING(LLVM version)
2915    AC_MSG_RESULT($llvm_version $llvm_api_version)
2916    if echo $llvm_version | grep -q 'mono'; then
2917           if test "x$enable_llvm_version_check" = "xyes"; then
2918                  if test "$llvm_version" != "$expected_llvm_version"; then
2919                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2920                  fi
2921           fi
2922    else
2923           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.])
2924    fi
2925
2926    # The output of --cflags seems to include optimizations flags too
2927    if test $llvm_api_version -gt 100; then
2928           # The --cflags argument includes all kinds of warnings -pendantic etc.
2929           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2930           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2931    else
2932           LLVM_CFLAGS=`$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'`
2933       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2934    fi
2935    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2936    # from LLVM classes.
2937    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2938    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2939    # This might include empty lines
2940    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2941    llvm_jit_supported=yes
2942    llvm_jit_libs="jit mcjit $llvm_codegen"
2943    if test "x$host" != "x$target"; then
2944       # No need for jit libs
2945           llvm_jit_supported=no
2946       llvm_jit_libs=""
2947    elif test $llvm_api_version -gt 100; then
2948       llvm_jit_libs="orcjit $llvm_codegen"
2949    fi
2950    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2951    if test "x$LLVM_LIBS" = "x"; then
2952           echo "$LLVM_CONFIG --libs failed."
2953           exit 1
2954    fi
2955    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2956    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2957    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2958       LLVM_LIBS="$LLVM_LIBS -lc++"
2959    else
2960       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2961    fi
2962
2963    expected_llvm_version="3.4svn-mono-mono/e656cac"
2964
2965    else
2966        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2967        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2968        LLVM_LDFLAGS="-L$with_llvm/lib"
2969        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2970        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2971          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2972          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2973          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2974          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2975          -lLLVMAnalysis -lLLVMTarget \
2976          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2977          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2978          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2979          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2980          -lLLVMSupport -lstdc++"
2981        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2982
2983        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2984        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2985    fi
2986
2987    if test "x$llvm_api_version" = "x"; then
2988           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2989           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2990    else
2991           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2992           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2993    fi
2994
2995    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2996
2997    AC_SUBST(LLVM_CFLAGS)
2998    AC_SUBST(LLVM_CXXFLAGS)
2999    AC_SUBST(LLVM_LIBS)
3000    AC_SUBST(LLVM_LDFLAGS)
3001    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
3002 fi
3003
3004 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
3005 if test "x$enable_loadedllvm" = "xyes"; then
3006    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
3007 fi
3008 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
3009
3010 if test "x$enable_llvm" = "xyes"; then
3011    enable_llvm_runtime=yes
3012 fi
3013 if test "x$enable_llvm_runtime" = "xyes"; then
3014    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3015 fi
3016 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3017
3018 TARGET="unknown"
3019 ACCESS_UNALIGNED="yes"
3020
3021 LIBC="libc.so.6"
3022 INTL="libc.so.6"
3023 SQLITE="libsqlite.so.0"
3024 SQLITE3="libsqlite3.so.0"
3025 X11="libX11.so"
3026 GDKX11="libgdk-x11-2.0.so.0"
3027 GTKX11="libgtk-x11-2.0.so.0"
3028 XINERAMA="libXinerama.so.1"
3029
3030 sizeof_register="SIZEOF_VOID_P"
3031
3032 jit_wanted=true
3033 boehm_supported=true
3034 BTLS_SUPPORTED=no
3035 BTLS_PLATFORM=
3036 case "$host" in
3037         mips*)
3038                 TARGET=MIPS;
3039                 arch_target=mips;
3040                 with_tls=pthread;
3041                 ACCESS_UNALIGNED="no"
3042
3043                 AC_MSG_CHECKING(for mips n32)
3044                 AC_TRY_COMPILE([],[
3045                 #if _MIPS_SIM != _ABIN32
3046                 #error Not mips n32
3047                 #endif
3048                 return 0;
3049                 ],[
3050                 AC_MSG_RESULT(yes)
3051                 sizeof_register=8
3052                 ],[
3053                 AC_MSG_RESULT(no)
3054                 ])
3055                 ;;
3056         i*86-*-*)
3057                 TARGET=X86;
3058                 arch_target=x86;
3059                 case $host_os in
3060                   solaris*)
3061                         LIBC="libc.so"
3062                         INTL="libintl.so"
3063                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3064                                 TARGET=AMD64
3065                                 arch_target=amd64
3066                         fi
3067
3068                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3069                         # int astruct __attribute__ ((visibility ("hidden")));
3070                         # void foo ()
3071                         # {
3072                         #       void *p = &astruct;
3073                         # }
3074                         # gcc -fPIC --shared -o libfoo.so foo.c
3075                         # yields:
3076                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3077                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3078                         have_visibility_hidden=no
3079                         ;;
3080                   mingw*|cygwin*)
3081                         have_visibility_hidden=no
3082                         ;;
3083                   haiku*)
3084                         LIBC=libroot.so
3085                         ;;
3086                   linux*)
3087                         AOT_SUPPORTED="yes"
3088                         BTLS_SUPPORTED=yes
3089                         BTLS_PLATFORM=i386
3090                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3091                         ;;
3092                   darwin*)
3093                         AOT_SUPPORTED="yes"
3094                         BTLS_SUPPORTED=yes
3095                         BTLS_PLATFORM=i386
3096                         ;;
3097                   openbsd*|freebsd*|kfreebsd-gnu*)
3098                         ;;
3099                 esac
3100                 ;;
3101         x86_64-*-* | amd64-*-*)
3102                 TARGET=AMD64;
3103                 arch_target=amd64;
3104                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3105                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3106                         sizeof_register=8
3107                 fi
3108                 case $host_os in
3109                   linux*)
3110                         AOT_SUPPORTED="yes"
3111                         BTLS_SUPPORTED=yes
3112                         BTLS_PLATFORM=x86_64
3113                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3114                         ;;
3115                   darwin*)
3116                         AOT_SUPPORTED="yes"
3117                         BTLS_SUPPORTED=yes
3118                         BTLS_PLATFORM=x86_64
3119                         boehm_supported=false
3120                         ;;
3121                   openbsd*|freebsd*|kfreebsd-gnu*)
3122                         ;;
3123                   mingw*)
3124                         ;;
3125                 esac
3126                 case "$host" in
3127                         x86_64-*-nacl*)
3128                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3129                                 sizeof_register=8
3130                                 ;;
3131                 esac
3132                 ;;
3133         ia64-*-*)
3134                 TARGET=IA64
3135                 arch_target=ia64
3136                 ACCESS_UNALIGNED="no"
3137                 LIBC="libc.so.6.1"
3138                 INTL="libc.so.6.1"
3139                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3140                 libmono_ldflags="-lunwind"
3141                 ;;
3142         sparc*-*-*)
3143                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3144                    TARGET=SPARC64
3145                 else
3146                         TARGET=SPARC
3147                 fi
3148                 arch_target=sparc;
3149                 ACCESS_UNALIGNED="no"
3150                 case $host_os in
3151                   linux*) ;;
3152                   *)
3153                         LIBC="libc.so"
3154                         INTL="libintl.so"
3155                 esac
3156                 if test x"$GCC" = xyes; then
3157                         # We don't support v8 cpus
3158                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3159                 fi
3160                 if test x"$AR" = xfalse; then
3161                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3162                 fi
3163                 ;;
3164         *-mingw*|*-*-cygwin*)
3165                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3166                 have_visibility_hidden=no
3167                 INTL="intl"
3168                 ;;
3169         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3170         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3171                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3172                         TARGET=POWERPC64;
3173                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3174                         CFLAGS="$CFLAGS -mminimal-toc"
3175                 else
3176                         TARGET=POWERPC;
3177                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3178                 fi
3179                 arch_target=ppc;
3180                 case $host_os in
3181                   linux*|darwin*)
3182                         ;;
3183                 esac
3184                 ;;
3185         armv7k-*-darwin*)
3186                 TARGET=ARM;
3187                 TARGET_SYS=WATCHOS
3188                 arch_target=arm;
3189                 arm_fpu=VFP_HARD
3190                 ACCESS_UNALIGNED="no"
3191                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3192                 ;;
3193
3194         arm*-darwin*)
3195                 TARGET=ARM;
3196                 arch_target=arm;
3197                 ACCESS_UNALIGNED="no"
3198                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3199                 ;;
3200         arm*-linux*)
3201                 TARGET=ARM;
3202                 arch_target=arm;
3203                 ACCESS_UNALIGNED="no"
3204                 AOT_SUPPORTED="yes"
3205                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3206                 ;;
3207         arm*-netbsd*-eabi*)
3208                 TARGET=ARM;
3209                 arch_target=arm;
3210                 ACCESS_UNALIGNED="no"
3211                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3212                 ;;
3213 # TODO: make proper support for NaCl host.
3214 #        arm*-*nacl)
3215 #               TARGET=ARM;
3216 #               arch_target=arm;
3217 #               ACCESS_UNALIGNED="no"
3218 #               AOT_SUPPORTED="no"
3219 #               ;;
3220         aarch64-*)
3221                 # https://lkml.org/lkml/2012/7/15/133
3222                 TARGET=ARM64
3223                 arch_target=arm64
3224                 boehm_supported=false
3225                 AOT_SUPPORTED="yes"
3226                 ;;
3227         s390x-*-linux*)
3228                 TARGET=S390X;
3229                 arch_target=s390x;
3230                 ACCESS_UNALIGNED="yes"
3231                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3232                 ;;
3233 esac
3234
3235 HOST=$TARGET
3236
3237 if test "x$host" != "x$target"; then
3238    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3239    enable_mcs_build=no
3240    BTLS_SUPPORTED=no
3241    case "$target" in
3242    arm*-darwin*)
3243                 TARGET=ARM;
3244                 arch_target=arm;
3245                 ACCESS_UNALIGNED="no"
3246                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3247                 # Can't use tls, since it depends on the runtime detection of tls offsets
3248                 # in mono-compiler.h
3249                 with_tls=pthread
3250                 case "$target" in
3251                 armv7k-*)
3252                         arm_fpu=VFP_HARD
3253                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3254                         ;;
3255                 esac
3256                 ;;
3257    powerpc64-ps3-linux-gnu)
3258                 TARGET=POWERPC64
3259                 arch_target=powerpc64
3260                 AC_DEFINE(TARGET_PS3, 1, [...])
3261                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3262                 # uses this define
3263                 AC_DEFINE(__mono_ppc64__, 1, [...])
3264                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3265                 sizeof_register=8
3266                 target_byte_order=G_BIG_ENDIAN
3267                 ;;
3268    powerpc64-xbox360-linux-gnu)
3269                 TARGET=POWERPC64
3270                 arch_target=powerpc64
3271                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3272                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3273                 # uses this define
3274                 sizeof_register=8
3275                 target_byte_order=G_BIG_ENDIAN
3276                 ;;
3277    x86_64-*-nacl)
3278                 TARGET=AMD64
3279                 arch_target=amd64
3280                 AC_DEFINE(TARGET_AMD64, 1, [...])
3281                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3282                 sizeof_register=8
3283                 ;;
3284 # TODO: make proper support for NaCl target.
3285 #   arm*-*nacl)
3286 #               TARGET=ARM
3287 #               arch_target=arm
3288 #               AC_DEFINE(TARGET_ARM, 1, [...])
3289 #               ACCESS_UNALIGNED="no"
3290 #               sizeof_register=4
3291 #               CPPFLAGS="$CPPFLAGS \
3292 #                    -D__ARM_EABI__ \
3293 #                    -D__arm__ \
3294 #                    -D__portable_native_client__ \
3295 #                    -Dtimezone=_timezone \
3296 #                    -DDISABLE_SOCKETS \
3297 #                    -DDISABLE_ATTACH \
3298 #                    -DUSE_NEWLIB"
3299                 # Can't use tls, since it depends on the runtime detection of tls offsets
3300                 # in mono-compiler.h
3301 #               with_tls=pthread
3302 #               ;;
3303    i686-*-nacl)
3304                 TARGET=X86
3305                 arch_target=x86
3306                 AC_DEFINE(TARGET_X86, 1, [...])
3307                 sizeof_register=4
3308                 ;;
3309    arm*-linux-*)
3310                 TARGET=ARM;
3311                 arch_target=arm;
3312                 AC_DEFINE(TARGET_ARM, 1, [...])
3313                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3314                 ACCESS_UNALIGNED="no"
3315                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3316                 # Can't use tls, since it depends on the runtime detection of tls offsets
3317                 # in mono-compiler.h
3318                 with_tls=pthread
3319                 target_mach=no
3320                 case "$target" in
3321                 armv7l-unknown-linux-gnueabi*)
3322                         # TEGRA
3323                         CPPFLAGS="$CPPFLAGS"
3324                         ;;
3325                 armv5-*-linux-androideabi*)
3326                         CPPFLAGS="$CPPFLAGS"
3327                         ;;
3328                 esac
3329                 ;;
3330    arm*-netbsd*-eabi*)
3331                 TARGET=ARM;
3332                 arch_target=arm;
3333                 AC_DEFINE(TARGET_ARM, 1, [...])
3334                 ACCESS_UNALIGNED="no"
3335                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3336                 # Can't use tls, since it depends on the runtime detection of tls offsets
3337                 # in mono-compiler.h
3338                 with_tls=pthread
3339                 target_mach=no
3340                 ;;
3341    i686*-linux-*)
3342                 TARGET=X86;
3343                 arch_target=x86;
3344                 AC_DEFINE(TARGET_X86, 1, [...])
3345                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3346                 CPPFLAGS="$CPPFLAGS"
3347                 # Can't use tls, since it depends on the runtime detection of tls offsets
3348                 # in mono-compiler.h
3349                 with_tls=pthread
3350                 target_mach=no
3351                 ;;
3352    x86_64*-linux-*)
3353                 TARGET=AMD64;
3354                 arch_target=amd64;
3355                 AC_DEFINE(TARGET_AMD64, 1, [...])
3356                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3357                 CPPFLAGS="$CPPFLAGS"
3358                 # Can't use tls, since it depends on the runtime detection of tls offsets
3359                 # in mono-compiler.h
3360                 with_tls=pthread
3361                 target_mach=no
3362                 ;;
3363    x86_64-ps4-freebsd)
3364                 TARGET=AMD64;
3365                 arch_target=amd64;
3366                 AC_DEFINE(TARGET_AMD64, 1, [...])
3367                 AC_DEFINE(TARGET_PS4, 1, [...])
3368                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3369                 CPPFLAGS="$CPPFLAGS"
3370                 # Can't use tls, since it depends on the runtime detection of tls offsets
3371                 # in mono-compiler.h
3372                 with_tls=pthread
3373                 target_mach=no
3374                 target_win32=no
3375                 ;;
3376    aarch64*-linux-*)
3377                 TARGET=ARM64;
3378                 arch_target=arm64;
3379                 AC_DEFINE(TARGET_ARM64, 1, [...])
3380                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3381                 CPPFLAGS="$CPPFLAGS"
3382                 # Can't use tls, since it depends on the runtime detection of tls offsets
3383                 # in mono-compiler.h
3384                 with_tls=pthread
3385                 target_mach=no
3386                 ;;
3387         aarch64-*)
3388                 TARGET=ARM64
3389                 ;;
3390         *)
3391                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3392         esac
3393 fi
3394
3395 case "$TARGET" in
3396 X86)
3397         AC_DEFINE(TARGET_X86, 1, [...])
3398         ;;
3399 AMD64)
3400         AC_DEFINE(TARGET_AMD64, 1, [...])
3401         ;;
3402 ARM)
3403         AC_DEFINE(TARGET_ARM, 1, [...])
3404         ;;
3405 ARM64)
3406         AC_DEFINE(TARGET_ARM64, 1, [...])
3407         ;;
3408 POWERPC)
3409         AC_DEFINE(TARGET_POWERPC, 1, [...])
3410         ;;
3411 POWERPC64)
3412         AC_DEFINE(TARGET_POWERPC, 1, [...])
3413         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3414         ;;
3415 S390X)
3416         AC_DEFINE(TARGET_S390X, 1, [...])
3417         ;;
3418 MIPS)
3419         AC_DEFINE(TARGET_MIPS, 1, [...])
3420         ;;
3421 IA64)
3422         AC_DEFINE(TARGET_IA64, 1, [...])
3423         ;;
3424 SPARC)
3425         AC_DEFINE(TARGET_SPARC, 1, [...])
3426         ;;
3427 SPARC64)
3428         AC_DEFINE(TARGET_SPARC64, 1, [...])
3429         ;;
3430 esac
3431
3432 case "$HOST" in
3433 X86)
3434         AC_DEFINE(HOST_X86, 1, [...])
3435         ;;
3436 AMD64)
3437         AC_DEFINE(HOST_AMD64, 1, [...])
3438         ;;
3439 ARM)
3440         AC_DEFINE(HOST_ARM, 1, [...])
3441         ;;
3442 ARM64)
3443         AC_DEFINE(HOST_ARM64, 1, [...])
3444         ;;
3445 POWERPC)
3446         AC_DEFINE(HOST_POWERPC, 1, [...])
3447         ;;
3448 POWERPC64)
3449         AC_DEFINE(HOST_POWERPC, 1, [...])
3450         AC_DEFINE(HOST_POWERPC64, 1, [...])
3451         ;;
3452 S390X)
3453         AC_DEFINE(HOST_S390X, 1, [...])
3454         ;;
3455 MIPS)
3456         AC_DEFINE(HOST_MIPS, 1, [...])
3457         ;;
3458 IA64)
3459         AC_DEFINE(HOST_IA64, 1, [...])
3460         ;;
3461 SPARC)
3462         AC_DEFINE(HOST_SPARC, 1, [...])
3463         ;;
3464 SPARC64)
3465         AC_DEFINE(HOST_SPARC64, 1, [...])
3466         ;;
3467 esac
3468
3469
3470
3471 dnl *************
3472 dnl *** VTUNE ***
3473 dnl *************
3474
3475 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3476 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3477
3478 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3479
3480 if test "x$enable_vtune" = "xyes"; then
3481         if test "x$with_vtune" = "x"; then
3482                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3483         else
3484                 VTUNE_PATH=$with_vtune
3485         fi
3486         VTUNE_INCLUDE=$VTUNE_PATH/include
3487         case "$TARGET" in
3488         X86)
3489                 VTUNE_LIB=$VTUNE_PATH/lib32
3490                 ;;
3491         AMD64)
3492                 VTUNE_LIB=$VTUNE_PATH/lib64
3493                 ;;
3494         *)
3495                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3496                 ;;
3497         esac
3498         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3499                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3500         fi
3501         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3502                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3503         fi
3504
3505         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3506         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3507
3508         AC_SUBST(VTUNE_LIBS)
3509         AC_SUBST(VTUNE_CFLAGS)
3510 fi
3511 dnl Use GCC atomic ops if they work on the target.
3512 if test x$GCC = "xyes"; then
3513         case $TARGET in
3514         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3515                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3516                 ;;
3517         esac
3518 fi
3519
3520 if test "x$target_mach" = "xyes"; then
3521
3522    if test "x$TARGET_SYS" = "xWATCHOS"; then
3523           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3524           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3525           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3526           BTLS_SUPPORTED=no
3527    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3528           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3529           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3530           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3531           BTLS_SUPPORTED=no
3532    else
3533        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3534        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3535        #error fail this for ios
3536        #endif
3537        return 0;
3538        ], [
3539                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3540           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3541           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3542           target_osx=yes
3543        ], [
3544           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3545           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3546           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3547           BTLS_SUPPORTED=no
3548        ])
3549         fi
3550    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3551 fi
3552
3553 AM_CONDITIONAL(TARGET_OSX, test x$target_osx = xyes)
3554
3555 if test "x$sizeof_register" = "x4"; then
3556    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3557 elif test "x$sizeof_register" = "x8"; then
3558    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3559 else
3560    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3561 fi
3562
3563 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3564    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3565 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3566    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3567 else
3568    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3569 fi
3570
3571 if test "x$have_visibility_hidden" = "xyes"; then
3572    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3573 fi
3574
3575 if test "x$have_deprecated" = "xyes"; then
3576    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3577 fi
3578
3579 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3580 if test "x$buildinterpreter" = "xyes"; then
3581     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3582     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3583 fi
3584
3585 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3586
3587
3588 dnl
3589 dnl Simple Generational checks (sgen)
3590 dnl
3591 SGEN_DEFINES=
3592 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3593 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3594 if test x$buildsgen = xyes; then
3595    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3596    SGEN_DEFINES="-DHAVE_SGEN_GC"
3597
3598         conc_gc_msg=""
3599    if test x$with_sgen_default_concurrent != xno; then
3600        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3601            conc_gc_msg=" (concurrent by default)"
3602    fi
3603
3604    if test "x$gc_msg" = "x"; then
3605       gc_msg="sgen$conc_gc_msg"
3606    else
3607       gc_msg="sgen$conc_gc_msg and $gc_msg"
3608    fi
3609 fi
3610 AC_SUBST(SGEN_DEFINES)
3611 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3612
3613 jit_status="Building and using the JIT"
3614
3615 libsuffix=".so"
3616
3617 case "$host" in
3618      *-*-darwin*)
3619         libsuffix=".dylib"
3620         LIBC="libc.dylib"
3621         INTL="libintl.dylib"
3622         SQLITE="libsqlite.0.dylib"
3623         SQLITE3="libsqlite3.0.dylib"
3624         X11="libX11.dylib"
3625         GDKX11="libgdk-x11-2.0.dylib"
3626         GTKX11="libgtk-x11-2.0.dylib"
3627         ;;
3628      *-*-*netbsd*)
3629         LIBC="libc.so"
3630         INTL="libintl.so"
3631         SQLITE="libsqlite.so"
3632         SQLITE3="libsqlite3.so"
3633         ;;
3634      *-*-kfreebsd*-gnu)
3635         LIBC="libc.so.0.1"
3636         INTL="libc.so.0.1"
3637         X11="libX11.so.6"
3638         ;;
3639     *-*-*freebsd*)
3640         LIBC="libc.so.7"
3641         INTL="libintl.so"
3642         SQLITE="libsqlite.so"
3643         SQLITE3="libsqlite3.so"
3644         ;;
3645     *-*-*openbsd*)
3646         LIBC="libc.so"
3647         INTL="libintl.so"
3648         SQLITE="libsqlite.so"
3649         SQLITE3="libsqlite3.so"
3650         ;;
3651     *-*-*linux*)
3652         AC_PATH_X
3653         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3654         AC_MSG_CHECKING(for the soname of libX11.so)
3655         for i in $x_libraries $dlsearch_path; do
3656                 for r in 4 5 6; do
3657                         if test -f $i/libX11.so.$r; then
3658                                 X11=libX11.so.$r
3659                                 AC_MSG_RESULT($X11)
3660                         fi
3661                 done
3662         done
3663
3664         if test "x$X11" = "xlibX11.so"; then
3665                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3666                 X11=libX11.so.6
3667         fi
3668         ;;
3669 esac
3670
3671
3672 AC_SUBST(libsuffix)
3673
3674 AC_ARG_WITH([libgdiplus],
3675         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3676         [], [with_libgdiplus=installed])
3677
3678 # default install location
3679 libgdiplus_install_loc=libgdiplus${libsuffix}
3680 case "$host" in
3681     *-*-*linux*)
3682     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3683     ;;
3684 esac
3685
3686 case $with_libgdiplus in
3687     no|installed)
3688     libgdiplus_loc=
3689     ;;
3690
3691     yes|sibling)
3692     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3693     ;;
3694
3695     /*) # absolute path, assume it is an install location
3696     libgdiplus_loc=$with_libgdiplus
3697     libgdiplus_install_loc=$with_libgdiplus
3698     ;;
3699
3700     *)
3701     libgdiplus_loc=`pwd`/$with_libgdiplus
3702     ;;
3703 esac
3704 AC_SUBST([libgdiplus_loc])
3705 AC_SUBST([libgdiplus_install_loc])
3706
3707 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3708 if test "x$icall_symbol_map" = "xyes"; then
3709    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3710 fi
3711
3712 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3713 if test "x$icall_export" = "xyes"; then
3714    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3715 fi
3716
3717 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3718 if test "x$icall_tables" = "xno"; then
3719    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3720 fi
3721
3722 if test "x$with_tls" = "x__thread"; then
3723         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3724         # Pass the information to libgc
3725         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3726         AC_MSG_CHECKING(if the tls_model attribute is supported)
3727         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3728                 ], [
3729                         AC_MSG_RESULT(yes)
3730                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3731                 ], [
3732                         AC_MSG_RESULT(no)
3733         ])
3734 fi
3735
3736 if test ${TARGET} = ARM; then
3737         dnl ******************************************
3738         dnl *** Check to see what FPU is available ***
3739         dnl ******************************************
3740         AC_MSG_CHECKING(which FPU to use)
3741
3742         #
3743         # This is a bit tricky:
3744         #
3745         # if (__ARM_PCS_VFP) {
3746         #       /* mfloat-abi=hard == VFP with hard ABI */
3747         # } elif (!__SOFTFP__) {
3748         #       /* mfloat-abi=softfp == VFP with soft ABI */
3749         # } else {
3750         #       /* mfloat-abi=soft == no VFP */
3751         # }
3752         #
3753         # The exception is iOS (w/ GCC) where none of the above
3754         # are defined (but iOS always uses the 'softfp' ABI).
3755         #
3756         # No support for FPA.
3757         #
3758
3759         fpu=NONE
3760
3761         # iOS GCC always uses the 'softfp' ABI.
3762         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3763                 fpu=VFP
3764         fi
3765
3766         # Are we using the 'hard' ABI?
3767         if test x$fpu = xNONE; then
3768                 AC_TRY_COMPILE([], [
3769                         #ifndef __ARM_PCS_VFP
3770                         #error "Float ABI is not 'hard'"
3771                         #endif
3772                         return 0;
3773                 ], [
3774                         fpu=VFP_HARD
3775                 ], [
3776                         fpu=NONE
3777                 ])
3778         fi
3779
3780         # No 'hard' ABI. 'soft' or 'softfp'?
3781         if test x$fpu = xNONE; then
3782                 AC_TRY_COMPILE([], [
3783                         #ifdef __SOFTFP__
3784                         #error "Float ABI is not 'softfp'"
3785                         #endif
3786                         return 0;
3787                 ], [
3788                         fpu=VFP
3789                 ], [
3790                         fpu=NONE
3791                 ])
3792         fi
3793
3794         if test x$arm_fpu != x; then
3795            fpu=$arm_fpu
3796         fi
3797
3798         AC_MSG_RESULT($fpu)
3799         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3800         unset fpu
3801
3802         dnl *********************************************
3803         dnl *** Check which ARM version(s) we can use ***
3804         dnl *********************************************
3805         AC_MSG_CHECKING(which ARM version to use)
3806
3807         AC_TRY_COMPILE([], [
3808                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3809                 #error Not on ARM v5.
3810                 #endif
3811                 return 0;
3812         ], [
3813                 arm_v5=yes
3814
3815                 arm_ver=ARMv5
3816         ], [])
3817
3818         AC_TRY_COMPILE([], [
3819                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3820                 #error Not on ARM v6.
3821                 #endif
3822                 return 0;
3823         ], [
3824                 arm_v5=yes
3825                 arm_v6=yes
3826
3827                 arm_ver=ARMv6
3828         ], [])
3829
3830         AC_TRY_COMPILE([], [
3831                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3832                 #error Not on ARM v7.
3833                 #endif
3834                 return 0;
3835         ], [
3836                 arm_v5=yes
3837                 arm_v6=yes
3838                 arm_v7=yes
3839
3840                 arm_ver=ARMv7
3841         ], [])
3842
3843         AC_MSG_RESULT($arm_ver)
3844
3845         if test x$arm_v5 = xyes; then
3846                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3847                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3848         fi
3849
3850         if test x$arm_v6 = xyes; then
3851                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3852                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3853         fi
3854
3855         if test x$arm_v7 = xyes; then
3856                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3857                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3858         fi
3859 fi
3860
3861 if test ${TARGET} = unknown; then
3862         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3863         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3864 fi
3865
3866 if test "x$platform_android" = "xyes"; then
3867         case "x${TARGET}" in
3868         xARM)
3869                 case "x$arm_ver" in
3870                 xARMv5)
3871                         BTLS_SUPPORTED=yes
3872                         BTLS_PLATFORM=android-armv5
3873                         ;;
3874                 xARMv6)
3875                         BTLS_SUPPORTED=yes
3876                         BTLS_PLATFORM=android-armv6
3877                         ;;
3878                 xARMv7)
3879                         BTLS_SUPPORTED=yes
3880                         BTLS_PLATFORM=android-armv7
3881                         ;;
3882                 *)
3883                         BTLS_SUPPORTED=no
3884                         ;;
3885                 esac
3886                 ;;
3887         xARM64)
3888                 BTLS_SUPPORTED=yes
3889                 BTLS_PLATFORM=android-v8a
3890                 ;;
3891         xX86)
3892                 BTLS_SUPPORTED=yes
3893                 BTLS_PLATFORM=android-x86
3894                 ;;
3895         xAMD64)
3896                 BTLS_SUPPORTED=yes
3897                 BTLS_PLATFORM=android-x64
3898                 ;;
3899         *)
3900                 BTLS_SUPPORTED=no
3901                 ;;
3902         esac
3903 fi
3904
3905 if test ${ACCESS_UNALIGNED} = no; then
3906         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3907 fi
3908
3909 if test x$host_darwin = xyes; then
3910         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3911         AS_IF(
3912                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3913                 [AC_MSG_RESULT([no])],
3914                 [
3915                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3916                         AR_FLAGS="Scru"
3917                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3918                         AC_MSG_RESULT([yes])
3919                 ]
3920         )
3921 fi
3922
3923 case "x$libgc" in
3924         xincluded)
3925                 # Pass CPPFLAGS to libgc configure
3926                 # We should use a separate variable for this to avoid passing useless and
3927                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3928                 # This should be executed late so we pick up the final version of CPPFLAGS
3929                 # The problem with this approach, is that during a reconfigure, the main
3930                 # configure scripts gets invoked with these arguments, so we use separate
3931                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3932                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3933                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3934                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3935                 fi
3936                 # Don't pass -finstrument-for-thread-suspension in,
3937                 # if these are instrumented it will be very bad news
3938                 # (infinite recursion, undefined parking behavior, etc)
3939                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3940                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3941                 if test "x$support_boehm" = "xyes"; then
3942                         AC_CONFIG_SUBDIRS(libgc)
3943                 fi
3944                 ;;
3945 esac
3946
3947 MALLOC_MEMPOOLS=no
3948 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3949         if test x$with_malloc_mempools = xyes; then
3950                 MALLOC_MEMPOOLS=yes
3951                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3952         fi
3953 ])
3954
3955
3956 DISABLE_MCS_DOCS=default
3957 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3958         if test x$with_mcs_docs != xyes; then
3959                 DISABLE_MCS_DOCS=yes
3960         fi
3961 ])
3962 if test -n "$INSTALL_4_x_TRUE"; then :
3963         DISABLE_MCS_DOCS=yes
3964 fi
3965 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3966    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3967 fi
3968
3969 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3970         if test x$with_lazy_gc_thread_creation != xno ; then
3971                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3972         fi
3973 ], [with_lazy_gc_thread_creation=no])
3974
3975 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])
3976
3977 if test x$with_cooperative_gc = xdefault; then
3978         with_cooperative_gc=$with_cooperative_gc_default
3979 fi
3980
3981 if test x$with_cooperative_gc != xno; then
3982         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3983 fi
3984
3985 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3986
3987 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],[
3988
3989         if test x$enable_checked_build != x ; then
3990                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3991         fi
3992         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3993                 eval "mono_checked_build_test_enable_$feature='yes'"
3994         done
3995
3996         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3997                 eval "mono_checked_build_test_enable_gc='yes'"
3998                 eval "mono_checked_build_test_enable_metadata='yes'"
3999                 eval "mono_checked_build_test_enable_thread='yes'"
4000         fi
4001
4002         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
4003                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
4004         fi
4005
4006         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
4007                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
4008         fi
4009
4010         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
4011                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
4012         fi
4013
4014 ], [])
4015
4016 AC_CHECK_HEADER([malloc.h],
4017                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4018                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4019
4020 if test x"$GCC" = xyes; then
4021         # Implicit function declarations are not 64 bit safe
4022         # Do this late, since this causes lots of configure tests to fail
4023         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4024         # jay has a lot of implicit declarations
4025         JAY_CFLAGS="-Wno-implicit-function-declaration"
4026 fi
4027
4028 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4029 # instead of libmono-static.a
4030 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4031    LIBMONO_LA=libmini-static.la
4032 else
4033    if test x$buildsgen = xyes; then
4034       LIBMONO_LA=libmonosgen-$API_VER.la
4035    else
4036       LIBMONO_LA=libmonoboehm-$API_VER.la
4037    fi
4038 fi
4039 AC_SUBST(LIBMONO_LA)
4040
4041 dnl **************
4042 dnl ***  Btls  ***
4043 dnl **************
4044
4045 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4046 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4047
4048 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4049
4050 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4051
4052 btls_android=no
4053 if test "x$enable_btls" = "xyes"; then
4054         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4055         if test "x$CMAKE" = "xno"; then
4056                 AC_MSG_ERROR("cmake not found")
4057         fi
4058
4059         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4060         AC_SUBST(BTLS_ROOT)
4061
4062         btls_arch=
4063         btls_cflags=
4064         BTLS_CMAKE_ARGS=
4065
4066         case "$BTLS_PLATFORM" in
4067         i386)
4068                 btls_arch=i386
4069                 btls_cflags="-m32"
4070                 case $host_os in
4071                         darwin*)
4072                                 btls_cflags="$btls_cflags -arch i386"
4073                 esac
4074                 ;;
4075         x86_64)
4076                 btls_arch=x86_64
4077                 ;;
4078         android-armv5)
4079                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4080                 ;;
4081         android-armv6)
4082                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4083                 ;;
4084         android-armv7)
4085                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4086                 ;;
4087         android-v8a)
4088                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4089                 ;;
4090         android-x86)
4091                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4092                 ;;
4093         android-x64)
4094                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4095                 ;;
4096         *)
4097                 AC_MSG_ERROR(Invalid BTLS platform)
4098         esac
4099
4100         if test "x$platform_android" = "xyes"; then
4101                 btls_android=yes
4102                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4103                 if test "x$with_btls_android_ndk" != "x"; then
4104                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4105                 else
4106                         AC_MSG_ERROR([Need to pass the --with-btls-android-ndk argument when building with BTLS support on Android.])
4107                 fi
4108         fi
4109
4110         if test "x$btls_arch" != "x"; then
4111                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4112         fi
4113
4114         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4115         AC_SUBST(BTLS_ARCH)
4116         AC_SUBST(BTLS_CFLAGS)
4117         AC_SUBST(BTLS_PLATFORM)
4118         AC_SUBST(BTLS_CMAKE_ARGS)
4119
4120         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4121 else
4122         enable_btls=no
4123 fi
4124
4125 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4126
4127 if test x$DISABLE_MCS_DOCS = xyes; then
4128    docs_dir=""
4129 else
4130    docs_dir=docs
4131 fi
4132 AC_SUBST(docs_dir)
4133
4134 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4135 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4136
4137 libmono_ldflags="$libmono_ldflags $LIBS"
4138
4139 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4140 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4141 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4142 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4143 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4144 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4145 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4146 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4147 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4148 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4149 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4150 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4151 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4152 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4153 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4154 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4155 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4156 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4157
4158 AC_SUBST(LIBC)
4159 AC_SUBST(INTL)
4160 AC_SUBST(SQLITE)
4161 AC_SUBST(SQLITE3)
4162 AC_SUBST(X11)
4163 AC_SUBST(GDKX11)
4164 AC_SUBST(GTKX11)
4165 AC_SUBST(XINERAMA)
4166 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4167 AC_SUBST(arch_target)
4168 AC_SUBST(CFLAGS)
4169 AC_SUBST(CPPFLAGS)
4170 AC_SUBST(LDFLAGS)
4171
4172 #This must always be defined when building the runtime
4173 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4174
4175 mono_build_root=`pwd`
4176 AC_SUBST(mono_build_root)
4177
4178 mono_runtime=mono/mini/mono
4179 AC_SUBST(mono_runtime)
4180
4181 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4182
4183 if test $csc_compiler = mcs; then
4184   CSC=$mcs_topdir/class/lib/build/mcs.exe
4185 else
4186   CSC=$CSC_LOCATION
4187 fi
4188
4189 mono_cfg_root=$mono_build_root/runtime
4190 if test x$host_win32 = xyes; then
4191   if test "x$cross_compiling" = "xno"; then
4192     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4193     CSC=`cygpath -m -a $CSC`
4194     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4195   else
4196     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4197   fi
4198 else
4199   mono_cfg_dir=$mono_cfg_root/etc
4200 fi
4201 AC_SUBST(mono_cfg_dir)
4202
4203 AC_SUBST(CSC)
4204
4205 AC_CONFIG_FILES([po/mcs/Makefile.in])
4206
4207 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4208 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4209
4210 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4211 [   depth=../../../..
4212     case $srcdir in
4213     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4214     .) reldir=$depth ;;
4215     *) reldir=$depth/$srcdir ;;
4216     esac
4217     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4218     cd runtime/etc/mono/1.0
4219     rm -f machine.config
4220     $LN_S $reldir/data/net_1_1/machine.config machine.config
4221     cd $depth
4222 ],[LN_S='$LN_S'])
4223
4224 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4225 [   depth=../../../..
4226     case $srcdir in
4227     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4228     .) reldir=$depth ;;
4229     *) reldir=$depth/$srcdir ;;
4230     esac
4231     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4232     cd runtime/etc/mono/2.0
4233     rm -f machine.config
4234     $LN_S $reldir/data/net_2_0/machine.config machine.config
4235     cd $depth
4236 ],[LN_S='$LN_S'])
4237
4238 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4239 [   depth=../../../..
4240     case $srcdir in
4241     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4242     .) reldir=$depth ;;
4243     *) reldir=$depth/$srcdir ;;
4244     esac
4245     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4246     cd runtime/etc/mono/2.0
4247     rm -f web.config
4248     $LN_S $reldir/data/net_2_0/web.config web.config
4249     cd $depth
4250 ],[LN_S='$LN_S'])
4251
4252 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4253 [   depth=../../..
4254     case $srcdir in
4255     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4256     .) reldir=$depth ;;
4257     *) reldir=$depth/$srcdir ;;
4258     esac
4259     $ac_aux_dir/install-sh -d runtime/etc/mono/
4260     cd runtime/etc/mono/
4261     rm -f browscap.ini
4262     $LN_S $reldir/data/browscap.ini browscap.ini
4263     cd $depth
4264 ],[LN_S='$LN_S'])
4265
4266 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4267 [   depth=../../../../..
4268     case $srcdir in
4269     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4270     .) reldir=$depth ;;
4271     *) reldir=$depth/$srcdir ;;
4272     esac
4273     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4274     cd runtime/etc/mono/2.0/Browsers
4275     rm -f Compat.browser
4276     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4277     cd $depth
4278 ],[LN_S='$LN_S'])
4279
4280 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4281 [   depth=../../../../..
4282     case $srcdir in
4283     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4284     .) reldir=$depth ;;
4285     *) reldir=$depth/$srcdir ;;
4286     esac
4287     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4288     cd runtime/etc/mono/4.0/Browsers
4289     rm -f Compat.browser
4290     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4291     cd $depth
4292 ],[LN_S='$LN_S'])
4293
4294 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4295 [   depth=../../../../..
4296     case $srcdir in
4297     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4298     .) reldir=$depth ;;
4299     *) reldir=$depth/$srcdir ;;
4300     esac
4301     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4302     cd runtime/etc/mono/4.5/Browsers
4303     rm -f Compat.browser
4304     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4305     cd $depth
4306 ],[LN_S='$LN_S'])
4307
4308 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4309 [   depth=../../../..
4310     case $srcdir in
4311     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4312     .) reldir=$depth ;;
4313     *) reldir=$depth/$srcdir ;;
4314     esac
4315     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4316     cd runtime/etc/mono/4.0
4317     rm -f machine.config
4318     $LN_S $reldir/data/net_4_0/machine.config machine.config
4319     cd $depth
4320 ],[LN_S='$LN_S'])
4321
4322 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4323 [   depth=../../../..
4324     case $srcdir in
4325     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4326     .) reldir=$depth ;;
4327     *) reldir=$depth/$srcdir ;;
4328     esac
4329     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4330     cd runtime/etc/mono/4.0
4331     rm -f web.config
4332     $LN_S $reldir/data/net_4_0/web.config web.config
4333     cd $depth
4334 ],[LN_S='$LN_S'])
4335
4336 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4337 [   depth=../../../..
4338     case $srcdir in
4339     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4340     .) reldir=$depth ;;
4341     *) reldir=$depth/$srcdir ;;
4342     esac
4343     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4344     cd runtime/etc/mono/4.5
4345     rm -f machine.config
4346     $LN_S $reldir/data/net_4_5/machine.config machine.config
4347     cd $depth
4348 ],[LN_S='$LN_S'])
4349
4350 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4351 [   depth=../../../..
4352     case $srcdir in
4353     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4354     .) reldir=$depth ;;
4355     *) reldir=$depth/$srcdir ;;
4356     esac
4357     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4358     cd runtime/etc/mono/4.5
4359     rm -f web.config
4360     $LN_S $reldir/data/net_4_5/web.config web.config
4361     cd $depth
4362 ],[LN_S='$LN_S'])
4363
4364 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])
4365 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])
4366
4367 AC_OUTPUT([
4368 Makefile
4369 mono-uninstalled.pc
4370 acceptance-tests/Makefile
4371 llvm/Makefile
4372 scripts/mono-find-provides
4373 scripts/mono-find-requires
4374 mono/Makefile
4375 mono/btls/Makefile
4376 mono/utils/Makefile
4377 mono/metadata/Makefile
4378 mono/dis/Makefile
4379 mono/cil/Makefile
4380 mono/arch/Makefile
4381 mono/arch/x86/Makefile
4382 mono/arch/amd64/Makefile
4383 mono/arch/ppc/Makefile
4384 mono/arch/sparc/Makefile
4385 mono/arch/s390x/Makefile
4386 mono/arch/arm/Makefile
4387 mono/arch/arm64/Makefile
4388 mono/arch/ia64/Makefile
4389 mono/arch/mips/Makefile
4390 mono/sgen/Makefile
4391 mono/tests/Makefile
4392 mono/tests/tests-config
4393 mono/tests/assemblyresolve/Makefile
4394 mono/tests/gc-descriptors/Makefile
4395 mono/unit-tests/Makefile
4396 mono/benchmark/Makefile
4397 mono/mini/Makefile
4398 mono/profiler/Makefile
4399 m4/Makefile
4400 ikvm-native/Makefile
4401 scripts/Makefile
4402 man/Makefile
4403 docs/Makefile
4404 data/Makefile
4405 data/net_2_0/Makefile
4406 data/net_4_0/Makefile
4407 data/net_4_5/Makefile
4408 data/net_2_0/Browsers/Makefile
4409 data/net_4_0/Browsers/Makefile
4410 data/net_4_5/Browsers/Makefile
4411 data/mint.pc
4412 data/mono-2.pc
4413 data/monosgen-2.pc
4414 data/mono.pc
4415 data/mono-cairo.pc
4416 data/mono-nunit.pc
4417 data/mono-options.pc
4418 data/mono-lineeditor.pc
4419 data/monodoc.pc
4420 data/dotnet.pc
4421 data/dotnet35.pc
4422 data/wcf.pc
4423 data/cecil.pc
4424 data/system.web.extensions_1.0.pc
4425 data/system.web.extensions.design_1.0.pc
4426 data/system.web.mvc.pc
4427 data/system.web.mvc2.pc
4428 data/system.web.mvc3.pc
4429 data/aspnetwebstack.pc
4430 data/reactive.pc
4431 samples/Makefile
4432 support/Makefile
4433 data/config
4434 tools/Makefile
4435 tools/locale-builder/Makefile
4436 tools/sgen/Makefile
4437 tools/monograph/Makefile
4438 tools/pedump/Makefile
4439 runtime/Makefile
4440 msvc/Makefile
4441 po/Makefile
4442 ])
4443
4444 # Update all submodules recursively to ensure everything is checked out
4445 $srcdir/scripts/update_submodules.sh
4446
4447 if test x$host_win32 = xyes; then
4448    # Get rid of 'cyg' prefixes in library names
4449    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4450    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4451    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4452    # executable doesn't work...
4453    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4454 fi
4455
4456 if test x$host_darwin = xyes; then
4457    # This doesn't seem to be required and it slows down parallel builds
4458    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4459 fi
4460
4461 (
4462   case $prefix in
4463   NONE) prefix=$ac_default_prefix ;;
4464   esac
4465   case $exec_prefix in
4466   NONE) exec_prefix='${prefix}' ;;
4467   esac
4468
4469   #
4470   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4471   # any existing config.make.  This allows people to share the same source tree
4472   # with different build directories, one native and one cross
4473   #
4474   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4475
4476     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4477
4478     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4479     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4480     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4481     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4482     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4483     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4484     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4485     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4486     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4487
4488     case $INSTALL in
4489     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4490     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4491     esac
4492
4493     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4494
4495     export VERSION
4496     [myver=$($AWK 'BEGIN {
4497       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4498       if(length(vsplit [1]) > 4) {
4499         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4500       }
4501       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4502     }')]
4503
4504     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4505
4506     if test x$host_darwin = xyes; then
4507       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4508     fi
4509
4510     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4511       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4512     fi
4513
4514         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4515            enable_system_aot=yes
4516         fi
4517
4518     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4519       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4520     fi
4521
4522     if test x$DISABLE_MCS_DOCS = xyes; then
4523       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4524     fi
4525
4526     if test x$has_extension_module != xno; then
4527         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4528     fi
4529
4530     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4531
4532     if test "x$test_bcl_opt" = "xyes"; then
4533       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4534     fi
4535
4536     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4537
4538     if test $csc_compiler = mcs; then
4539       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4540     fi
4541
4542     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4543       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4544       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4545     fi
4546
4547     if test "x$enable_btls" = "xyes"; then
4548       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4549       if test "x$enable_dynamic_btls" = "xyes"; then
4550         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4551       fi
4552     fi
4553
4554   fi
4555
4556 )
4557
4558 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4559
4560 btls_platform_string=
4561 if test x$enable_btls = xyes; then
4562         if test x$btls_android = xyes; then
4563                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4564         else
4565                 btls_platform_string=" ($BTLS_PLATFORM)"
4566         fi
4567 fi
4568
4569 echo "
4570         mcs source:    $mcsdir
4571         C# Compiler:   $csc_compiler
4572
4573    Engine:
4574         Host:          $host
4575         Target:        $target
4576         GC:            $gc_msg
4577         TLS:           $with_tls
4578         SIGALTSTACK:   $with_sigaltstack
4579         Engine:        $jit_status
4580         BigArrays:     $enable_big_arrays
4581         DTrace:        $enable_dtrace
4582         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4583         Interpreter:   $buildinterpreter
4584
4585    Libraries:
4586         .NET 4.x:        $with_profile4_x
4587         Xamarin.Android: $with_monodroid
4588         Xamarin.iOS:     $with_monotouch
4589         Xamarin.WatchOS: $with_monotouch_watch
4590         Xamarin.TVOS:    $with_monotouch_tv
4591         Xamarin.Mac:     $with_xammac
4592         Windows AOT:     $with_winaot
4593         Orbis:           $with_orbis
4594         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4595         JNI support:     $jdk_headers_found
4596         libgdiplus:      $libgdiplus_msg
4597         zlib:            $zlib_msg
4598         BTLS:            $enable_btls$btls_platform_string
4599         $disabled
4600 "
4601 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4602    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4603 fi