configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 # realpath isn't always available, and requires that all but the tip of the provided
  72 # path exists. Fall back to the old behaviour, but realpath allows depth >1
  73 # e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
  74 # too deep for the old method to work
  75 reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
  76 AC_SUBST(reloc_libdir)
  77
  78 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  79 need_link_unlink=no
  80
  81 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  82 extra_runtime_ldflags=""
  83
  84 # Thread configuration inspired by sleepycat's db
  85 AC_MSG_CHECKING([host platform characteristics])
  86 libgc_threads=no
  87 has_dtrace=no
  88 parallel_mark=yes
  89 ikvm_native=yes
  90
  91 host_win32=no
  92 target_win32=no
  93 platform_android=no
  94 host_darwin=no
  95 case "$host" in
  96         *-mingw*|*-*-cygwin*)
  97                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  98                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  99                 host_win32=yes
 100                 mono_cv_clang=no
 101                 if test "x$cross_compiling" = "xno"; then
 102                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 else
 106                         if test "x$host" = "x$target"; then
 107                                 target_win32=yes
 108                         fi
 109                 fi
 110                 HOST_CC="gcc"
 111                 # Windows Vista or later is required
 112                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 113                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 114                 libmono_cflags="-mms-bitfields -mwindows"
 115                 libmono_ldflags="-mms-bitfields -mwindows"
 116                 libdl=
 117                 libgc_threads=win32
 118                 with_sigaltstack=no
 119                 with_tls=pthread
 120                 with_sgen_default_concurrent=yes
 121                 LN_S=cp
 122                 # This forces libgc to use the DllMain based thread registration code on win32
 123                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 124                 ;;
 125         *-*-*netbsd*)
 126                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 127                 libmono_cflags="-D_REENTRANT"
 128                 LDFLAGS="$LDFLAGS -pthread"
 129                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 130                 libmono_ldflags="-pthread"
 131                 need_link_unlink=yes
 132                 libdl="-ldl"
 133                 libgc_threads=pthreads
 134                 with_sigaltstack=no
 135                 use_sigposix=yes
 136                 with_sgen_default_concurrent=yes
 137                 ;;
 138         *-*-kfreebsd*-gnu)
 139                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 140                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 141                 libmono_ldflags="-lpthread -pthread"
 142                 libdl="-ldl"
 143                 libgc_threads=pthreads
 144                 need_link_unlink=yes
 145                 with_sigaltstack=no
 146                 use_sigposix=yes
 147                 with_sgen_default_concurrent=yes
 148                 ;;
 149         *-*-*freebsd*)
 150                 if test "x$PTHREAD_CFLAGS" = "x"; then
 151                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 152                         libmono_cflags=
 153                 else
 154                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags="$PTHREAD_CFLAGS"
 156                 fi
 157                 if test "x$PTHREAD_LIBS" = "x"; then
 158                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 159                         libmono_ldflags="-pthread"
 160                 else
 161                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 162                         libmono_ldflags="$PTHREAD_LIBS"
 163                 fi
 164                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 165                 need_link_unlink=yes
 166                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 167                 libdl=
 168                 libgc_threads=pthreads
 169                 use_sigposix=yes
 170                 has_dtrace=yes
 171                 with_sgen_default_concurrent=yes
 172                 ;;
 173         *-*-*openbsd*)
 174                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 175                 if test "x$disable_munmap" != "xyes"; then
 176                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 177                 fi
 178                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 179                 LDFLAGS="$LDFLAGS -pthread"
 180                 need_link_unlink=yes
 181                 AC_DEFINE(PTHREAD_POINTER_ID)
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 with_sigaltstack=no
 185                 use_sigposix=yes
 186                 with_sgen_default_concurrent=yes
 187                 ;;
 188         *-*-linux-android*)
 189                 platform_android=yes
 190                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 191                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 192
 193                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 194                 if test "x$disable_munmap" != "xyes"; then
 195                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 196                 fi
 197                 libmono_cflags="-D_REENTRANT"
 198                 libdl="-ldl"
 199                 libgc_threads=pthreads
 200                 use_sigposix=yes
 201
 202                 with_tls=pthread
 203                 with_sigaltstack=no
 204                 with_static_mono=no
 205
 206                 # Android doesn't support boehm, as it's missing <link.h>
 207                 support_boehm=no
 208                 with_gc=sgen
 209
 210                 # isinf(3) requires -lm; see isinf check below
 211                 LDFLAGS="$LDFLAGS -lm"
 212
 213                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 214                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 215                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 216                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 217                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 218
 219                 # The configure check can't detect this
 220                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 221
 222                 # to bypass the underscore linker check, can't work when cross-compiling
 223                 mono_cv_uscore=yes
 224                 mono_cv_clang=no
 225                 ;;
 226         *-*-linux*)
 227                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 228                 if test "x$disable_munmap" != "xyes"; then
 229                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 230                 fi
 231                 libmono_cflags="-D_REENTRANT"
 232                 libdl="-ldl"
 233                 libgc_threads=pthreads
 234                 use_sigposix=yes
 235                 if test "x$cross_compiling" != "xno"; then
 236                         # to bypass the underscore linker check, not
 237                         # available during cross-compilation
 238                         mono_cv_uscore=no
 239                 fi
 240                 case "$host" in
 241                 aarch64-*)
 242                         support_boehm=no
 243                         with_gc=sgen
 244                         ;;
 245                 powerpc*-*-linux*)
 246                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 247                         disable_munmap=yes
 248                         ;;
 249                 esac
 250                 with_sgen_default_concurrent=yes
 251                 ;;
 252         *-*-nacl*)
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 use_sigposix=yes
 261                 ikvm_native=no
 262                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 263                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 264                 ;;
 265         *-*-hpux*)
 266                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 267                 # +ESdbgasm only valid on bundled cc on RISC
 268                 # silently ignored for ia64
 269                 if test $GCC != "yes"; then
 270                         CFLAGS="$CFLAGS +ESdbgasm"
 271                         # Arrange for run-time dereferencing of null
 272                         # pointers to produce a SIGSEGV signal.
 273                         LDFLAGS="$LDFLAGS -z"
 274                 fi
 275                 CFLAGS="$CFLAGS +ESdbgasm"
 276                 LDFLAGS="$LDFLAGS -z"
 277                 libmono_cflags="-D_REENTRANT"
 278                 libmono_ldflags="-lpthread"
 279                 libgc_threads=pthreads
 280                 need_link_unlink=yes
 281                 use_sigposix=yes
 282                 ;;
 283         *-*-solaris*)
 284                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 285                 need_link_unlink=yes
 286                 libmono_cflags="-D_REENTRANT"
 287                 libgc_threads=pthreads
 288                 has_dtrace=yes
 289                 use_sigposix=yes
 290                 enable_solaris_tar_check=yes
 291                 ;;
 292         *-*-darwin*)
 293                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 294                 host_darwin=yes
 295                 target_mach=yes
 296                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 297                 libmono_cflags="-D_THREAD_SAFE"
 298                 need_link_unlink=yes
 299                 AC_DEFINE(PTHREAD_POINTER_ID)
 300                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 301                 libdl=
 302                 libgc_threads=pthreads
 303                 has_dtrace=yes
 304                 if test "x$cross_compiling" = "xyes"; then
 305                         has_broken_apple_cpp=yes
 306                 fi
 307                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 308                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 309                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 310                 case "$host" in
 311                         dnl Snow Leopard and newer config.guess reports as this
 312                         i*86-*-darwin*)
 313                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 314                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 315                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 316                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 317                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 318                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 319                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 320                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 321                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 323                                 with_sgen_default_concurrent=yes
 324                                 ;;
 325                         x*64-*-darwin*)
 326                                 with_sgen_default_concurrent=yes
 327                                 ;;
 328                         arm*-darwin*)
 329                                 has_dtrace=no
 330                                 ;;
 331                 esac
 332                 ;;
 333         *-*-haiku*)
 334                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 335                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 336                 libdl=
 337                 LIBS="$LIBS -lnetwork"
 338                 need_link_unlink=yes
 339                 AC_DEFINE(PTHREAD_POINTER_ID)
 340                 libgc_threads=pthreads
 341                 use_sigposix=yes
 342                 ;;
 343         *)
 344                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 345                 libdl="-ldl"
 346                 ;;
 347 esac
 348 AC_MSG_RESULT(ok)
 349
 350 if test x$need_link_unlink = xyes; then
 351    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 352 fi
 353
 354 if test x$host_win32 = xyes; then
 355    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 356 fi
 357
 358 if test x$target_win32 = xyes; then
 359    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 360 fi
 361
 362 # Defined for all targets/platforms using classic Windows API support.
 363 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 364 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 365
 366 AC_SUBST(extra_runtime_ldflags)
 367 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 368 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 369 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 370 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 371 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 372 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 373
 374 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 375 PLATFORM_AOT_SUFFIX=.dylib
 376 fi
 377
 378 if test -z "$PLATFORM_LINUX_TRUE"; then :
 379 PLATFORM_AOT_SUFFIX=.so
 380 fi
 381
 382 if test -z "$HOST_WIN32"; then :
 383 PLATFORM_AOT_SUFFIX=.dll
 384 fi
 385
 386 AC_SUBST(PLATFORM_AOT_SUFFIX)
 387
 388 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 389
 390 AC_CHECK_TOOL(CC, gcc, gcc)
 391 AC_PROG_CC
 392 AC_CHECK_TOOL(CXX, g++, g++)
 393 AC_PROG_CXX
 394 AM_PROG_AS
 395 AC_PROG_INSTALL
 396 AC_PROG_AWK
 397 AM_PROG_CC_C_O
 398 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 399 : ${CCAS='$(CC)'}
 400 # Set ASFLAGS if not already set.
 401 : ${CCASFLAGS='$(CFLAGS)'}
 402 AC_SUBST(CCAS)
 403 AC_SUBST(CCASFLAGS)
 404
 405 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 406 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 407 if test "x$CXX" = "xg++"; then
 408         if test "x$GXX" != "xyes"; then
 409                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 410                 # are inside automake conditionals
 411                 AC_MSG_ERROR([You need to install g++])
 412         fi
 413 fi
 414
 415 dnl may require a specific autoconf version
 416 dnl AC_PROG_CC_FOR_BUILD
 417 dnl CC_FOR_BUILD not automatically detected
 418 CC_FOR_BUILD=$CC
 419 CFLAGS_FOR_BUILD=$CFLAGS
 420 BUILD_EXEEXT=
 421 if test "x$cross_compiling" = "xyes"; then
 422         CC_FOR_BUILD=cc
 423         CFLAGS_FOR_BUILD=
 424         BUILD_EXEEXT=""
 425 fi
 426 AC_SUBST(CC_FOR_BUILD)
 427 AC_SUBST(CFLAGS_FOR_BUILD)
 428 AC_SUBST(HOST_CC)
 429 AC_SUBST(BUILD_EXEEXT)
 430
 431 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 432 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 433
 434 # Set STDC_HEADERS
 435 AC_HEADER_STDC
 436 AC_LIBTOOL_WIN32_DLL
 437 # This causes monodis to not link correctly
 438 #AC_DISABLE_FAST_INSTALL
 439
 440 #lookup makedev() header
 441 AC_HEADER_MAJOR
 442
 443 AM_PROG_LIBTOOL
 444 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 445 DOLT
 446
 447 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 448 AC_SUBST(export_ldflags)
 449
 450 # Test whenever ld supports -version-script
 451 AC_PROG_LD
 452 AC_PROG_LD_GNU
 453
 454 AM_ICONV()
 455
 456 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h)
 457 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
 458 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 459                   [], [], [#include <stddef.h>
 460                   #include <sys/socket.h>
 461                   #include <linux/socket.h>])
 462
 463 AC_CHECK_HEADERS(sys/user.h, [], [],
 464 [
 465 #ifdef HAVE_SYS_PARAM_H
 466 # include <sys/param.h>
 467 #endif
 468 ])
 469
 470 AC_CHECK_HEADERS(linux/serial.h)
 471
 472 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 473 if test x$have_zlib = xyes; then
 474    AC_TRY_COMPILE([#include <zlib.h>], [
 475    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 476    return 0;
 477    #else
 478    #error No good zlib found
 479    #endif
 480    ],[
 481         AC_MSG_RESULT(Using system zlib)
 482         zlib_msg="system zlib"
 483         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 484    ],[
 485         AC_MSG_RESULT(Using embedded zlib)
 486         have_zlib=no
 487         zlib_msg="bundled zlib"
 488    ])
 489 fi
 490
 491 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 492 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 493
 494 # for mono/metadata/debug-symfile.c
 495 AC_CHECK_HEADERS(elf.h)
 496
 497 # for support
 498 AC_CHECK_HEADERS(poll.h)
 499 AC_CHECK_HEADERS(sys/poll.h)
 500 AC_CHECK_HEADERS(sys/wait.h)
 501 AC_CHECK_HEADERS(grp.h)
 502 AC_CHECK_HEADERS(syslog.h)
 503
 504 # for mono/dis
 505 AC_CHECK_HEADERS(wchar.h)
 506 AC_CHECK_HEADERS(ieeefp.h)
 507 AC_MSG_CHECKING(for isinf)
 508 AC_TRY_LINK([#include <math.h>], [
 509         int f = isinf (1.0);
 510 ], [
 511         AC_MSG_RESULT(yes)
 512         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 513 ], [
 514         # We'll have to use signals
 515         AC_MSG_RESULT(no)
 516 ])
 517 # mingw
 518 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 519         AC_TRY_LINK([#include <math.h>],
 520         [ _finite(0.0); ],
 521         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 522         AC_MSG_RESULT(no)))
 523
 524 # for Linux statfs support
 525 AC_CHECK_HEADERS(linux/magic.h)
 526
 527 # not 64 bit clean in cross-compile
 528 AC_CHECK_SIZEOF(void *, 4)
 529
 530 AC_CACHE_CHECK([for clang],
 531         mono_cv_clang,[
 532         AC_TRY_COMPILE([], [
 533                 #ifdef __clang__
 534                 #else
 535                 #error "FAILED"
 536                 #endif
 537                 return 0;
 538         ],
 539         [mono_cv_clang=yes],
 540         [mono_cv_clang=no],
 541         [])
 542 ])
 543
 544 AC_ARG_ENABLE(visibility-hidden,
 545 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 546    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 547
 548 WARN=''
 549 if test x"$GCC" = xyes; then
 550         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes -Wno-format-zero-length'
 551
 552                 # We require C99 with some GNU extensions, e.g. `linux` macro
 553                 CFLAGS="$CFLAGS -std=gnu99"
 554
 555                 # The runtime code does not respect ANSI C strict aliasing rules
 556                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 557
 558                 # We rely on signed overflow to behave
 559                 CFLAGS="$CFLAGS -fwrapv"
 560
 561                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 562                 if test x"$disable_visibility_hidden" = xno; then
 563                    # Don't export any symbols by default
 564                    SHARED_CFLAGS="-fvisibility=hidden"
 565                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 566                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 567                 fi
 568
 569                 ORIG_CFLAGS=$CFLAGS
 570                 # Check for the normal version, since gcc ignores unknown -Wno options
 571                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 572                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 573                 AC_TRY_COMPILE([],[
 574                                 return 0;
 575                 ], [
 576                    AC_MSG_RESULT(yes)
 577                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 578                 ], [
 579                    AC_MSG_RESULT(no)
 580                    CFLAGS=$ORIG_CFLAGS
 581                 ])
 582
 583                 if test "x$mono_cv_clang" = "xyes"; then
 584                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 585                    WARN="$WARN -Qunused-arguments"
 586                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 587                    # We rely on zero length arrays in structs
 588                    WARN="$WARN -Wno-zero-length-array"
 589                 fi
 590 else
 591         # The Sun Forte compiler complains about inline functions that access static variables
 592         # so disable all inlining.
 593         case "$host" in
 594         *-*-solaris*)
 595                 CFLAGS="$CFLAGS -Dinline="
 596                 ;;
 597         esac
 598 fi
 599 CFLAGS="$CFLAGS -g $WARN"
 600 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 601 CPPFLAGS="$CPPFLAGS -g $WARN"
 602
 603 # Where's the 'mcs' source tree?
 604 if test -d $srcdir/mcs; then
 605   mcsdir=mcs
 606 else
 607   mcsdir=../mcs
 608 fi
 609
 610 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 611         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 612                 mcsdir=$with_mcs_path
 613         fi
 614 )
 615
 616 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 617
 618 #
 619 # A sanity check to catch cases where the package was unpacked
 620 # with an ancient tar program (Solaris)
 621 #
 622 AC_ARG_ENABLE(solaris-tar-check,
 623 [  --disable-solaris-tar-check    disable solaris tar check],
 624    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 625
 626 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 627         AC_MSG_CHECKING(integrity of package)
 628         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 629         then
 630                 AC_MSG_RESULT(ok)
 631         else
 632                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 633                 AC_MSG_ERROR([$errorm])
 634         fi
 635 fi
 636
 637 if test "x$with_mcs_path" != "x"; then
 638 mcs_topdir=$(cd "$mcsdir" && pwd)
 639 mcs_topdir_from_srcdir=$mcs_topdir
 640 else
 641 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 642 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 643 fi
 644
 645 # Convert mcs_topdir* paths to Windows syntax.
 646 if test x$cross_compiling$host_win32 = xnoyes; then
 647   mcs_topdir=$(cygpath -m $mcs_topdir)
 648   case $mcs_topdir_from_srcdir in
 649     /cygdrive/*)
 650         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 651         ;;
 652   esac
 653 fi
 654
 655 AC_SUBST([mcs_topdir])
 656 AC_SUBST([mcs_topdir_from_srcdir])
 657
 658 # gettext: prepare the translation directories.
 659 # we do not configure the full gettext, as we consume it dynamically from C#
 660 AM_PO_SUBDIRS
 661
 662 if test "x$USE_NLS" = "xyes"; then
 663    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 664
 665    if test "x$HAVE_MSGFMT" = "xno"; then
 666           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 667    fi
 668 fi
 669
 670 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 671
 672 pkg_config_path=
 673 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 674         if test x$with_crosspkgdir = "x"; then
 675                 if test -s $PKG_CONFIG_PATH; then
 676                         pkg_config_path=$PKG_CONFIG_PATH
 677                 fi
 678         else
 679                 pkg_config_path=$with_crosspkgdir
 680                 PKG_CONFIG_PATH=$pkg_config_path
 681                 export PKG_CONFIG_PATH
 682         fi
 683 )
 684
 685 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 686 if test x$werror_flag = xyes; then
 687         WERROR_CFLAGS="-Werror"
 688 fi
 689 AC_SUBST([WERROR_CFLAGS])
 690 AC_SUBST([SHARED_CFLAGS])
 691
 692 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 693 AC_CONFIG_SUBDIRS(eglib)
 694
 695 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 696 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 697
 698 AC_SUBST(GLIB_CFLAGS)
 699 AC_SUBST(GLIB_LIBS)
 700
 701 # Enable support for fast thread-local storage
 702 # Some systems have broken support, so we allow to disable it.
 703 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 704
 705 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 706 # This does not work on some platforms (bug #55253)
 707 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 708
 709 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 710 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 711 # Same as --with-shared_mono=no
 712 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 713
 714 if test "x$enable_static" = "xno"; then
 715    with_static_mono=no
 716 fi
 717
 718 if test "x$enable_shared" = "xno"; then
 719    with_shared_mono=no
 720 fi
 721
 722 if test "x$enable_libraries" = "xno"; then
 723    with_shared_mono=no
 724 fi
 725
 726 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 727
 728 case $host in
 729 *nacl* ) with_shared_mono=yes;;
 730 esac
 731
 732 if test "x$host_win32" = "xyes"; then
 733    # Boehm GC requires the runtime to be in its own dll
 734    with_static_mono=no
 735 fi
 736
 737 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 738 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 739 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 740
 741 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 742 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 743         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 744         ORIG_CFLAGS=$CFLAGS
 745         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 746         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 747         AC_TRY_COMPILE([], [
 748                 return 0;
 749         ], [
 750            AC_MSG_RESULT(yes)
 751            # Pass it to libgc as well
 752            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 753         ], [
 754            AC_MSG_RESULT(no)
 755            CFLAGS=$ORIG_CFLAGS
 756         ])
 757 fi
 758
 759 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 760
 761 if test x$enable_small_config = xyes; then
 762         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 763         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 764 fi
 765
 766 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 767
 768 DISABLED_FEATURES=none
 769 csc_compiler=default
 770 endian=unknown
 771 AC_C_BIGENDIAN([endian=big],[endian=little],[endian=unknown])
 772 AC_MSG_CHECKING([CSharp compiler to use])
 773 AC_ARG_WITH(csc, [  --with-csc=mcs,roslyn,default      Configures the CSharp compiler to use],[
 774    if test x$withval = xmcs; then
 775        csc_compiler=mcs
 776    elif test x$withval = xroslyn; then
 777        csc_compiler=roslyn
 778    elif test x$withval = xdefault; then
 779        :
 780    else
 781        AC_MSG_ERROR([You must supply one of "mcs", "roslyn" or "default" to the --with-csc option])
 782    fi
 783 ],[csc_compiler=default])
 784
 785 if test $csc_compiler = default; then
 786    if test $endian = big; then
 787       csc_compiler=mcs
 788    elif test $endian = little; then
 789       csc_compiler=roslyn
 790    else
 791       csc_compiler=mcs
 792    fi
 793 fi
 794 AC_MSG_RESULT($csc_compiler)
 795
 796 #
 797 # Set the build profiles and options before things which use them
 798 #
 799
 800 AC_ARG_WITH(profile4_x,          [  --with-profile4_x=yes,no            If you want to install the 4.x FX (defaults to yes)],                       [], [with_profile4_x=default])
 801 AC_ARG_WITH(monodroid,           [  --with-monodroid=yes,no             If you want to build the MonoDroid assemblies (defaults to no)],            [], [with_monodroid=default])
 802 AC_ARG_WITH(monotouch,           [  --with-monotouch=yes,no             If you want to build the Xamarin.iOS assemblies (defaults to no)],          [], [with_monotouch=default])
 803 AC_ARG_WITH(monotouch_watch,     [  --with-monotouch_watch=yes,no       If you want to build the Xamarin.WatchOS assemblies (defaults to no)],      [], [with_monotouch_watch=default])
 804 AC_ARG_WITH(monotouch_tv,        [  --with-monotouch_tv=yes,no          If you want to build the Xamarin.TVOS assemblies (defaults to no)],         [], [with_monotouch_tv=default])
 805 AC_ARG_WITH(bitcode,             [  --with-bitcode=yes,no               If bitcode is enabled (defaults to no)],                                    [], [with_bitcode=default])
 806 AC_ARG_WITH(xammac,              [  --with-xammac=yes,no                If you want to build the Xamarin.Mac assemblies (defaults to no)],          [], [with_xammac=default])
 807 AC_ARG_WITH(testing_aot_hybrid,  [  --with-testing_aot_hybrid=yes,no    If you want to build the testing_aot_hybrid assemblies (defaults to no)],   [], [with_testing_aot_hybrid=default])
 808 AC_ARG_WITH(testing_aot_full,    [  --with-testing_aot_full=yes,no      If you want to build the testing_aot_full assemblies (defaults to no)],     [], [with_testing_aot_full=default])
 809 AC_ARG_WITH(winaot,              [  --with-winaot=yes,no                If you want to build the Windows friendly AOT assemblies (defaults to no)], [], [with_winaot=default])
 810 AC_ARG_WITH(orbis,              [  --with-orbis=yes,no                  If you want to build the Orbis assemblies (defaults to no)], [], [with_orbis=default])
 811
 812
 813 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,aot,hybridaot,fullaot,bitcode   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 814
 815 dnl
 816 dnl Profile defaults
 817 dnl
 818 TEST_PROFILE=default
 819 enable_llvm_default=no
 820
 821 with_profile4_x_default=no
 822 with_monodroid_default=no
 823 with_monotouch_default=no
 824 with_monotouch_watch_default=no
 825 with_monotouch_tv_default=no
 826 with_xammac_default=no
 827 with_testing_aot_hybrid_default=no
 828 with_testing_aot_full_default=no
 829 with_winaot_default=no
 830 with_orbis_default=no
 831
 832 with_bitcode_default=no
 833 with_cooperative_gc_default=no
 834
 835 INVARIANT_AOT_OPTIONS=nimt-trampolines=2000,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4000
 836
 837 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 838    DISABLE_MCS_DOCS_default=yes
 839 elif test x$with_runtime_preset = xnet_4_x; then
 840    with_profile4_x_default=yes
 841 elif test x$with_runtime_preset = xall; then
 842    with_profile4_x_default=yes
 843    with_monodroid_default=yes
 844    with_monotouch_default=yes
 845    with_monotouch_watch_default=yes
 846    with_monotouch_tv_default=yes
 847    with_xammac_default=yes
 848    with_winaot_default=yes
 849 #   with_orbis_default=yes
 850 elif test x$with_runtime_preset = xfullaot; then
 851    DISABLE_MCS_DOCS_default=yes
 852    with_testing_aot_full_default=yes
 853    TEST_PROFILE=testing_aot_full
 854
 855    mono_feature_disable_com='yes'
 856    mono_feature_disable_remoting='yes'
 857    mono_feature_disable_reflection_emit_save='yes'
 858    mono_feature_disable_reflection_emit='yes'
 859    mono_feature_disable_appdomains='yes'
 860
 861    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 862
 863    AOT_RUN_FLAGS="--full-aot"
 864 elif test x$with_runtime_preset = xbitcode; then
 865    DISABLE_MCS_DOCS_default=yes
 866    with_testing_aot_full_default=yes
 867    with_bitcode_default=yes
 868    with_cooperative_gc_default=yes
 869    TEST_PROFILE=testing_aot_full
 870    enable_llvm_default=yes
 871
 872    mono_feature_disable_com='yes'
 873    mono_feature_disable_remoting='yes'
 874    mono_feature_disable_reflection_emit_save='yes'
 875    mono_feature_disable_reflection_emit='yes'
 876    mono_feature_disable_appdomains='yes'
 877
 878    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 879    AOT_RUN_FLAGS="--llvmonly"
 880 elif test x$with_runtime_preset = xhybridaot; then
 881    DISABLE_MCS_DOCS_default=yes
 882    with_testing_aot_hybrid_default=yes
 883    TEST_PROFILE=testing_aot_hybrid
 884
 885    mono_feature_disable_com='yes'
 886    mono_feature_disable_remoting='yes'
 887    mono_feature_disable_appdomains='yes'
 888
 889    AOT_BUILD_FLAGS="--aot=hybrid,$INVARIANT_AOT_OPTIONS"
 890    AOT_RUN_FLAGS="--hybrid-aot"
 891 elif test x$with_runtime_preset = xaot; then
 892    with_profile4_x_default=yes
 893
 894    AOT_BUILD_FLAGS="--aot=$INVARIANT_AOT_OPTIONS"
 895    AOT_RUN_FLAGS=""
 896
 897    DISABLE_MCS_DOCS_default=yes
 898 elif test x$with_runtime_preset = xwinaot; then
 899    DISABLE_MCS_DOCS_default=yes
 900    with_winaot_default=yes
 901    TEST_PROFILE=winaot
 902
 903    mono_feature_disable_com='yes'
 904    mono_feature_disable_remoting='yes'
 905    mono_feature_disable_reflection_emit_save='yes'
 906    mono_feature_disable_reflection_emit='yes'
 907    mono_feature_disable_appdomains='yes'
 908
 909    AOT_BUILD_FLAGS="--aot=full,$INVARIANT_AOT_OPTIONS"
 910    AOT_RUN_FLAGS="--full-aot"
 911 else
 912    with_profile4_x_default=yes
 913 fi
 914
 915 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 916    AC_SUBST(AOT_BUILD_FLAGS)
 917    AC_SUBST(AOT_RUN_FLAGS)
 918    # For llvmonlycheck + fullaotcheck
 919    AC_SUBST(INVARIANT_AOT_OPTIONS)
 920 fi
 921
 922 AC_SUBST(TEST_PROFILE)
 923
 924 if test "x$with_profile4_x" = "xdefault"; then
 925    with_profile4_x=$with_profile4_x_default
 926 fi
 927 if test "x$with_monodroid" = "xdefault"; then
 928    with_monodroid=$with_monodroid_default
 929 fi
 930 if test "x$with_monotouch" = "xdefault"; then
 931    with_monotouch=$with_monotouch_default
 932 fi
 933 if test "x$with_monotouch_watch" = "xdefault"; then
 934    with_monotouch_watch=$with_monotouch_watch_default
 935 fi
 936 if test "x$with_monotouch_tv" = "xdefault"; then
 937    with_monotouch_tv=$with_monotouch_tv_default
 938 fi
 939 if test "x$with_bitcode" = "xdefault"; then
 940    with_bitcode=$with_bitcode_default
 941 fi
 942 if test "x$with_xammac" = "xdefault"; then
 943    with_xammac=$with_xammac_default
 944 fi
 945 if test "x$with_testing_aot_hybrid" = "xdefault"; then
 946    with_testing_aot_hybrid=$with_testing_aot_hybrid_default
 947 fi
 948 if test "x$with_testing_aot_full" = "xdefault"; then
 949    with_testing_aot_full=$with_testing_aot_full_default
 950 fi
 951 if test "x$with_winaot" = "xdefault"; then
 952    with_winaot=$with_winaot_default
 953 fi
 954 if test "x$with_orbis" = "xdefault"; then
 955    with_orbis=$with_orbis_default
 956 fi
 957
 958
 959 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 960 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 961 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 962 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 963 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 964 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 965 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 966 AM_CONDITIONAL(INSTALL_TESTING_AOT_HYBRID, [test "x$with_testing_aot_hybrid" != "xno"])
 967 AM_CONDITIONAL(INSTALL_TESTING_AOT_FULL, [test "x$with_testing_aot_full" != "xno"])
 968 AM_CONDITIONAL(INSTALL_WINAOT, [test "x$with_winaot" != "xno"])
 969 AM_CONDITIONAL(INSTALL_ORBIS, [test "x$with_orbis" != "xno"])
 970 AM_CONDITIONAL(FULL_AOT_TESTS, [test "x$with_testing_aot_full" != "xno"] || [test "x$with_winaot" != "xno"])
 971
 972 AC_SUBST(INSTALL_TESTING_AOT_HYBRID)
 973 AC_SUBST(INSTALL_TESTING_AOT_FULL)
 974
 975 default_profile=net_4_x
 976 if test -z "$INSTALL_MONODROID_TRUE"; then :
 977    default_profile=monodroid
 978 fi
 979 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 980    default_profile=monotouch
 981 fi
 982 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 983    default_profile=xammac
 984 fi
 985 if test -z "$INSTALL_TESTING_AOT_HYBRID_TRUE"; then :
 986    default_profile=testing_aot_hybrid
 987 fi
 988 if test -z "$INSTALL_TESTING_AOT_FULL_TRUE"; then :
 989    default_profile=testing_aot_full
 990 fi
 991 if test -z "$INSTALL_WINAOT_TRUE"; then :
 992    default_profile=winaot
 993 fi
 994 if test -z "$INSTALL_4_x_TRUE"; then :
 995    default_profile=net_4_x
 996 fi
 997 DEFAULT_PROFILE=$default_profile
 998 AC_SUBST(DEFAULT_PROFILE)
 999
1000 #
1001 # End build profile configuration
1002 #
1003
1004 if test x$USE_NLS = xprofile_default; then
1005
1006 if test x$host_darwin = xyes; then
1007 # We make the default value for USE_NLS
1008 # "no" on OSX because it isn't available on most
1009 # default OSX installs. The most common configurations will
1010 # all disable it, so this saves us typing.
1011   USE_NLS=no
1012   AC_SUBST([USE_NLS])
1013   AC_MSG_RESULT([$USE_NLS])
1014 else
1015   USE_NLS=yes
1016   AC_SUBST([USE_NLS])
1017   AC_MSG_RESULT([$USE_NLS])
1018 fi
1019
1020 fi
1021
1022 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
1023      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
1024      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
1025          security, lldb, mdb, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
1026 [
1027         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
1028                 eval "mono_feature_disable_$feature='yes'"
1029         done
1030         DISABLED_FEATURES=$enable_minimal
1031         disabled="Disabled:      $enable_minimal"
1032 ],[])
1033
1034 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
1035
1036 if test "x$mono_feature_disable_aot" = "xyes"; then
1037         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
1038         enable_system_aot=no
1039         AC_MSG_NOTICE([Disabled AOT compiler])
1040 fi
1041
1042 if test "x$mono_feature_disable_profiler" = "xyes"; then
1043         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
1044         AC_MSG_NOTICE([Disabled support for the profiler])
1045 fi
1046 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
1047
1048 if test "x$mono_feature_disable_decimal" = "xyes"; then
1049         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
1050         AC_MSG_NOTICE([Disabled support for decimal])
1051 fi
1052
1053 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
1054         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
1055         AC_MSG_NOTICE([Disabled support for P/Invoke])
1056 fi
1057
1058 if test "x$mono_feature_disable_debug" = "xyes"; then
1059         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
1060         AC_MSG_NOTICE([Disabled support for runtime debugging])
1061 fi
1062
1063 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
1064         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
1065         mono_feature_disable_reflection_emit_save=yes
1066         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
1067 fi
1068
1069 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
1070         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
1071         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
1072 fi
1073
1074 if test "x$mono_feature_disable_large_code" = "xyes"; then
1075         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1076         AC_MSG_NOTICE([Disabled support for large assemblies])
1077 fi
1078
1079 if test "x$mono_feature_disable_logging" = "xyes"; then
1080         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1081         AC_MSG_NOTICE([Disabled support for logging])
1082 fi
1083
1084 if test "x$mono_feature_disable_com" = "xyes"; then
1085         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1086         AC_MSG_NOTICE([Disabled COM support])
1087 fi
1088
1089 if test "x$mono_feature_disable_ssa" = "xyes"; then
1090         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1091         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1092 fi
1093
1094 if test "x$mono_feature_disable_generics" = "xyes"; then
1095         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1096         AC_MSG_NOTICE([Disabled Generics Support])
1097 fi
1098
1099 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1100         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1101         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1102 fi
1103
1104 if test "x$mono_feature_disable_portability" = "xyes"; then
1105         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1106         AC_MSG_NOTICE([Disabled IO Portability layer])
1107 fi
1108
1109 if test "x$mono_feature_disable_attach" = "xyes"; then
1110         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1111         AC_MSG_NOTICE([Disabled agent attach])
1112 fi
1113
1114 if test "x$mono_feature_disable_verifier" = "xyes"; then
1115         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1116         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1117 fi
1118
1119 if test "x$mono_feature_disable_jit" = "xyes"; then
1120         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1121         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1122 fi
1123
1124 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1125
1126 if test "x$mono_feature_disable_simd" = "xyes"; then
1127         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1128         AC_MSG_NOTICE([Disabled SIMD support])
1129 fi
1130
1131 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1132         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1133         AC_MSG_NOTICE([Disabled Soft Debugger.])
1134 fi
1135
1136 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1137         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1138         AC_MSG_NOTICE([Disabled Performance Counters.])
1139 fi
1140 if test "x$mono_feature_disable_normalization" = "xyes"; then
1141         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1142         AC_MSG_NOTICE([Disabled String normalization support.])
1143 fi
1144
1145 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1146         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1147         AC_MSG_NOTICE([Disabled Assembly remapping.])
1148 fi
1149
1150 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1151         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1152         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1153 fi
1154
1155 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1156         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1157         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1158 fi
1159
1160 if test "x$mono_feature_disable_remoting" = "xyes"; then
1161         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1162         AC_MSG_NOTICE([Disabled remoting])
1163 fi
1164
1165 if test "x$mono_feature_disable_security" = "xyes"; then
1166         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1167         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1168 fi
1169
1170 if test "x$mono_feature_disable_lldb" = "xyes"; then
1171         AC_DEFINE(DISABLE_LLDB, 1, [Disable support code for the LLDB plugin.])
1172         AC_MSG_NOTICE([Disabled LLDB plugin support code.])
1173 fi
1174
1175 if test "x$mono_feature_disable_mdb" = "xyes"; then
1176         AC_DEFINE(DISABLE_MDB, 1, [Disable support for .mdb symbol files.])
1177         AC_MSG_NOTICE([Disabled support for .mdb symbol files.])
1178 fi
1179
1180 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1181         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1182         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1183 fi
1184
1185 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1186         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1187         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1188 fi
1189
1190 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1191         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1192         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1193 fi
1194
1195 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1196         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1197         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1198 fi
1199
1200 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1201         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1202         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1203 fi
1204
1205 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1206 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1207
1208 has_extension_module=no
1209 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1210 [
1211         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1212                 if test x$extension = xdefault ; then
1213                         has_extension_module=yes;
1214                 fi
1215         done
1216         if test x$enable_extension_module = xyes; then
1217                 has_extension_module=yes;
1218         fi
1219 ], [])
1220
1221 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1222
1223 if test x$has_extension_module != xno ; then
1224         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1225         AC_MSG_NOTICE([Enabling mono extension module.])
1226 fi
1227
1228 # Deprecated
1229 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1230
1231 AC_MSG_CHECKING(for visibility __attribute__)
1232 AC_COMPILE_IFELSE([
1233         AC_LANG_SOURCE([[
1234                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1235                 int main () { doit (); return 0; }
1236         ]])
1237 ], [
1238    have_visibility_hidden=yes
1239    AC_MSG_RESULT(yes)
1240 ], [
1241    have_visibility_hidden=no
1242    AC_MSG_RESULT(no)
1243 ])
1244
1245 dnl
1246 dnl Boehm GC configuration
1247 dnl
1248
1249 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1250
1251 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1252 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1253
1254 if test "x$support_boehm" = "xyes"; then
1255
1256         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1257         if test x$enable_parallel_mark = xyes; then
1258                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1259         fi
1260
1261         gc_msg=""
1262         LIBGC_CPPFLAGS=
1263         LIBGC_LIBS=
1264         LIBGC_STATIC_LIBS=
1265         libgc_dir=
1266         case "x$libgc" in
1267                 xincluded)
1268                         if test "x$support_boehm" = "xyes"; then
1269                                 libgc_dir=libgc
1270                         fi
1271
1272                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1273                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1274                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1275
1276                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1277
1278                         if test x$target_win32 = xyes; then
1279                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1280                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1281                         fi
1282
1283                         gc_msg="Included Boehm GC with typed GC"
1284                         if test x$enable_parallel_mark = xyes; then
1285                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1286                                 gc_msg="$gc_msg and parallel mark"
1287                         else
1288                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1289                         fi
1290                         ;;
1291
1292                 xboehm|xbohem|xyes)
1293                         AC_MSG_WARN("External Boehm is no longer supported")
1294                         ;;
1295
1296                 xsgen)
1297                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1298                         ;;
1299
1300                 xnone)
1301                         AC_MSG_WARN("Compiling mono without GC.")
1302                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1303                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1304                         gc_msg="none"
1305                         ;;
1306                 *)
1307                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1308                         ;;
1309         esac
1310
1311         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1312         if test "x$large_heap" = "xyes"; then
1313            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1314         fi
1315
1316         AC_SUBST(LIBGC_CPPFLAGS)
1317         AC_SUBST(LIBGC_LIBS)
1318         AC_SUBST(LIBGC_STATIC_LIBS)
1319         AC_SUBST(libgc_dir)
1320         AC_SUBST(BOEHM_DEFINES)
1321
1322 fi
1323
1324 dnl
1325 dnl End of Boehm GC Configuration
1326 dnl
1327
1328 dnl *************************************
1329 dnl *** Checks for zero length arrays ***
1330 dnl *************************************
1331 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1332 AC_TRY_COMPILE([
1333         struct s {
1334                 int  length;
1335                 char data [0];
1336         };
1337 ], [], [
1338         AC_MSG_RESULT(yes)
1339         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1340 ], [
1341         AC_MSG_RESULT(no)
1342         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1343 ])
1344
1345 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1346
1347 dnl ***********************************
1348 dnl *** Checks for signals
1349 dnl ***********************************
1350 AC_CHECK_HEADERS(signal.h)
1351 AC_CHECK_FUNCS(sigaction)
1352 AC_CHECK_FUNCS(kill)
1353 AC_CHECK_FUNCS(signal)
1354
1355 # signal() is declared inline in Android headers
1356 # so we need to workaround it by overriding the check.
1357 if test x$platform_android = xyes; then
1358         AC_DEFINE(HAVE_SIGNAL,1)
1359 fi
1360
1361 if test x$host_win32 = xno; then
1362
1363         dnl hires monotonic clock support
1364         AC_SEARCH_LIBS(clock_gettime, rt)
1365         AC_CHECK_FUNCS(clock_nanosleep)
1366
1367         dnl dynamic loader support
1368         AC_CHECK_FUNC(dlopen, DL_LIB="",
1369                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1370         )
1371         if test x$dl_support = xno; then
1372                 AC_MSG_WARN([No dynamic loading support available])
1373         else
1374                 LIBS="$LIBS $DL_LIB"
1375                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1376                 dnl from glib's configure.ac
1377                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1378                         mono_cv_uscore,[
1379                         AC_TRY_RUN([#include <dlfcn.h>
1380                         int mono_underscore_test (void) { return 42; }
1381                         int main() {
1382                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1383                           handle = dlopen ((void*)0, 0);
1384                           if (handle) {
1385                             f1 = dlsym (handle, "mono_underscore_test");
1386                             f2 = dlsym (handle, "_mono_underscore_test");
1387                           } return (!f2 || f1);
1388                         }],
1389                                 [mono_cv_uscore=yes],
1390                                 [mono_cv_uscore=no],
1391                         [])
1392                 ])
1393                 if test "x$mono_cv_uscore" = "xyes"; then
1394                         MONO_DL_NEED_USCORE=1
1395                 else
1396                         MONO_DL_NEED_USCORE=0
1397                 fi
1398                 AC_SUBST(MONO_DL_NEED_USCORE)
1399                 AC_CHECK_FUNC(dlerror)
1400         fi
1401
1402         dnl ******************************************************************
1403         dnl *** Checks for the IKVM JNI interface library                  ***
1404         dnl ******************************************************************
1405         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])
1406
1407         ikvm_native_dir=
1408         if test x$with_ikvm_native = xyes; then
1409                 ikvm_native_dir=ikvm-native
1410                 jdk_headers_found="IKVM Native"
1411         fi
1412
1413         AC_SUBST(ikvm_native_dir)
1414
1415         AC_CHECK_HEADERS(execinfo.h)
1416
1417         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1418
1419         AC_CHECK_FUNCS(getgrgid_r)
1420         AC_CHECK_FUNCS(getgrnam_r)
1421         AC_CHECK_FUNCS(getpwnam_r)
1422         AC_CHECK_FUNCS(getpwuid_r)
1423         AC_CHECK_FUNCS(getresuid)
1424         AC_CHECK_FUNCS(setresuid)
1425         AC_CHECK_FUNCS(kqueue)
1426         AC_CHECK_FUNCS(backtrace_symbols)
1427         AC_CHECK_FUNCS(mkstemp)
1428         AC_CHECK_FUNCS(mmap)
1429         AC_CHECK_FUNCS(madvise)
1430         AC_CHECK_FUNCS(getrusage)
1431         AC_CHECK_FUNCS(getpriority)
1432         AC_CHECK_FUNCS(setpriority)
1433         AC_CHECK_FUNCS(dl_iterate_phdr)
1434         AC_CHECK_FUNCS(dladdr)
1435         AC_CHECK_FUNCS(sysconf)
1436         AC_CHECK_FUNCS(getrlimit)
1437         AC_CHECK_FUNCS(prctl)
1438
1439         AC_CHECK_FUNCS(sched_getaffinity)
1440         AC_CHECK_FUNCS(sched_setaffinity)
1441         AC_CHECK_FUNCS(sched_getcpu)
1442
1443         dnl ****************************************************************
1444         dnl *** Check for sched_setaffinity from glibc versions before   ***
1445         dnl *** 2.3.4. The older versions of the function only take 2    ***
1446         dnl *** parameters, not 3.                                       ***
1447         dnl ***                                                          ***
1448         dnl *** Because the interface change was not made in a minor     ***
1449         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1450         dnl *** won't always indicate the interface sched_affinity has.  ***
1451         dnl ****************************************************************
1452         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1453         AC_TRY_COMPILE([#include <sched.h>], [
1454             int mask = 1;
1455             sched_setaffinity(0, &mask);
1456                         return 0;
1457         ], [
1458                 # Yes, we have it...
1459                 AC_MSG_RESULT(yes)
1460                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1461         ], [
1462                 # We have the new, three-parameter version
1463                 AC_MSG_RESULT(no)
1464         ])
1465         AC_TRY_COMPILE([#include <sched.h>], [
1466              CPU_COUNT((void *) 0);
1467         ], [
1468                 AC_MSG_RESULT(yes)
1469                 AC_DEFINE(GLIBC_HAS_CPU_COUNT, 1, [GLIBC has CPU_COUNT macro in sched.h])
1470         ], [
1471                 # We have the new, three-parameter version
1472                 AC_MSG_RESULT(no)
1473         ])
1474
1475         dnl ******************************************************************
1476         dnl *** Check for large file support                               ***
1477         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1478         dnl ******************************************************************
1479
1480         # Check that off_t can represent 2**63 - 1 correctly, working around
1481         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1482         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1483         large_offt=no
1484         AC_DEFUN([LARGE_FILES], [
1485                 large_CPPFLAGS=$CPPFLAGS
1486                 CPPFLAGS="$CPPFLAGS $1"
1487                 AC_TRY_COMPILE([
1488                         #include <sys/types.h>
1489                         #include <limits.h>
1490                 ], [
1491                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1492                         #define COMPILE_TIME_ASSERT(pred) \
1493                                 switch(0){case 0:case pred:;}
1494                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1495                 ], [
1496                         AC_MSG_RESULT(ok)
1497                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1498                         large_CPPFLAGS="$large_CPPFLAGS $1"
1499                         large_offt=yes
1500                 ], [
1501                         AC_MSG_RESULT(no)
1502                 ])
1503                 CPPFLAGS=$large_CPPFLAGS
1504         ])
1505
1506         AC_MSG_CHECKING(if off_t is 64 bits wide)
1507         LARGE_FILES("")
1508         if test $large_offt = no; then
1509                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1510                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1511         fi
1512         if test $large_offt = no; then
1513                 AC_MSG_WARN([No 64 bit file size support available])
1514         fi
1515
1516         dnl *****************************
1517         dnl *** Checks for libsocket  ***
1518         dnl *****************************
1519         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1520
1521         case "$host" in
1522                 *-*-*freebsd*)
1523                         dnl *****************************
1524                         dnl *** Checks for libinotify ***
1525                         dnl *****************************
1526                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1527         esac
1528
1529         dnl *******************************
1530         dnl *** Checks for MSG_NOSIGNAL ***
1531         dnl *******************************
1532         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1533         AC_TRY_COMPILE([#include <sys/socket.h>], [
1534                 int f = MSG_NOSIGNAL;
1535         ], [
1536                 # Yes, we have it...
1537                 AC_MSG_RESULT(yes)
1538                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1539         ], [
1540                 # We'll have to use signals
1541                 AC_MSG_RESULT(no)
1542         ])
1543
1544         dnl *****************************
1545         dnl *** Checks for IPPROTO_IP ***
1546         dnl *****************************
1547         AC_MSG_CHECKING(for IPPROTO_IP)
1548         AC_TRY_COMPILE([#include <netinet/in.h>], [
1549                 int level = IPPROTO_IP;
1550         ], [
1551                 # Yes, we have it...
1552                 AC_MSG_RESULT(yes)
1553                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1554         ], [
1555                 # We'll have to use getprotobyname
1556                 AC_MSG_RESULT(no)
1557         ])
1558
1559         dnl *******************************
1560         dnl *** Checks for IPPROTO_IPV6 ***
1561         dnl *******************************
1562         AC_MSG_CHECKING(for IPPROTO_IPV6)
1563         AC_TRY_COMPILE([#include <netinet/in.h>], [
1564                 int level = IPPROTO_IPV6;
1565         ], [
1566                 # Yes, we have it...
1567                 AC_MSG_RESULT(yes)
1568                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1569         ], [
1570                 # We'll have to use getprotobyname
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl ******************************
1575         dnl *** Checks for IPPROTO_TCP ***
1576         dnl ******************************
1577         AC_MSG_CHECKING(for IPPROTO_TCP)
1578         AC_TRY_COMPILE([#include <netinet/in.h>], [
1579                 int level = IPPROTO_TCP;
1580         ], [
1581                 # Yes, we have it...
1582                 AC_MSG_RESULT(yes)
1583                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1584         ], [
1585                 # We'll have to use getprotobyname
1586                 AC_MSG_RESULT(no)
1587         ])
1588
1589         dnl *****************************
1590         dnl *** Checks for SOL_IP     ***
1591         dnl *****************************
1592         AC_MSG_CHECKING(for SOL_IP)
1593         AC_TRY_COMPILE([#include <netdb.h>], [
1594                 int level = SOL_IP;
1595         ], [
1596                 # Yes, we have it...
1597                 AC_MSG_RESULT(yes)
1598                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1599         ], [
1600                 # We'll have to use getprotobyname
1601                 AC_MSG_RESULT(no)
1602         ])
1603
1604         dnl *****************************
1605         dnl *** Checks for SOL_IPV6     ***
1606         dnl *****************************
1607         AC_MSG_CHECKING(for SOL_IPV6)
1608         AC_TRY_COMPILE([#include <netdb.h>], [
1609                 int level = SOL_IPV6;
1610         ], [
1611                 # Yes, we have it...
1612                 AC_MSG_RESULT(yes)
1613                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1614         ], [
1615                 # We'll have to use getprotobyname
1616                 AC_MSG_RESULT(no)
1617         ])
1618
1619         dnl *****************************
1620         dnl *** Checks for SOL_TCP    ***
1621         dnl *****************************
1622         AC_MSG_CHECKING(for SOL_TCP)
1623         AC_TRY_COMPILE([#include <netdb.h>], [
1624                 int level = SOL_TCP;
1625         ], [
1626                 # Yes, we have it...
1627                 AC_MSG_RESULT(yes)
1628                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1629         ], [
1630                 # We'll have to use getprotobyname
1631                 AC_MSG_RESULT(no)
1632         ])
1633
1634         dnl *****************************
1635         dnl *** Checks for IP_PKTINFO ***
1636         dnl *****************************
1637         AC_MSG_CHECKING(for IP_PKTINFO)
1638         AC_TRY_COMPILE([#include <linux/in.h>], [
1639                 int level = IP_PKTINFO;
1640         ], [
1641                 # Yes, we have it...
1642                 AC_MSG_RESULT(yes)
1643                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1644         ], [
1645                 AC_MSG_RESULT(no)
1646         ])
1647
1648         dnl *****************************
1649         dnl *** Checks for IPV6_PKTINFO ***
1650         dnl *****************************
1651         AC_MSG_CHECKING(for IPV6_PKTINFO)
1652         AC_TRY_COMPILE([#include <netdb.h>], [
1653                 int level = IPV6_PKTINFO;
1654         ], [
1655                 # Yes, we have it...
1656                 AC_MSG_RESULT(yes)
1657                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1658         ], [
1659                 AC_MSG_RESULT(no)
1660         ])
1661
1662         dnl **********************************
1663         dnl *** Checks for IP_DONTFRAG     ***
1664         dnl **********************************
1665         AC_MSG_CHECKING(for IP_DONTFRAG)
1666         AC_TRY_COMPILE([#include <netinet/in.h>], [
1667                 int level = IP_DONTFRAG;
1668         ], [
1669                 # Yes, we have it...
1670                 AC_MSG_RESULT(yes)
1671                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1672         ], [
1673                 AC_MSG_RESULT(no)
1674         ])
1675
1676         dnl **********************************
1677         dnl *** Checks for IP_DONTFRAGMENT ***
1678         dnl **********************************
1679         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1680         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1681                 int level = IP_DONTFRAGMENT;
1682         ], [
1683                 # Yes, we have it...
1684                 AC_MSG_RESULT(yes)
1685                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1686         ], [
1687                 AC_MSG_RESULT(no)
1688         ])
1689
1690         dnl **********************************
1691         dnl *** Checks for IP_MTU_DISCOVER ***
1692         dnl **********************************
1693         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1694         AC_TRY_COMPILE([#include <linux/in.h>], [
1695                 int level = IP_MTU_DISCOVER;
1696         ], [
1697                 # Yes, we have it...
1698                 AC_MSG_RESULT(yes)
1699                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1700         ], [
1701                 AC_MSG_RESULT(no)
1702         ])
1703
1704         dnl **********************************
1705         dnl *** Checks for  IP_PMTUDISC_DO ***
1706         dnl **********************************
1707         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1708         AC_TRY_COMPILE([#include <linux/in.h>], [
1709                 int level = IP_PMTUDISC_DO;
1710         ], [
1711                 # Yes, we have it...
1712                 AC_MSG_RESULT(yes)
1713                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1714         ], [
1715                 AC_MSG_RESULT(no)
1716         ])
1717
1718         dnl *********************************
1719         dnl *** Check for struct ip_mreqn ***
1720         dnl *********************************
1721         AC_MSG_CHECKING(for struct ip_mreqn)
1722         AC_TRY_COMPILE([#include <netinet/in.h>], [
1723                 struct ip_mreqn mreq;
1724                 mreq.imr_address.s_addr = 0;
1725         ], [
1726                 # Yes, we have it...
1727                 AC_MSG_RESULT(yes)
1728                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1729         ], [
1730                 # We'll just have to try and use struct ip_mreq
1731                 AC_MSG_RESULT(no)
1732                 AC_MSG_CHECKING(for struct ip_mreq)
1733                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1734                         struct ip_mreq mreq;
1735                         mreq.imr_interface.s_addr = 0;
1736                 ], [
1737                         # Yes, we have it...
1738                         AC_MSG_RESULT(yes)
1739                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1740                 ], [
1741                         # No multicast support
1742                         AC_MSG_RESULT(no)
1743                 ])
1744         ])
1745
1746         dnl **********************************
1747         dnl *** Check for getaddrinfo ***
1748         dnl **********************************
1749         AC_MSG_CHECKING(for getaddrinfo)
1750                 AC_TRY_LINK([
1751                 #include <stdio.h>
1752                 #include <netdb.h>
1753         ], [
1754                 getaddrinfo(NULL,NULL,NULL,NULL);
1755         ], [
1756                 # Yes, we have it...
1757                 AC_MSG_RESULT(yes)
1758                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1759         ], [
1760                 AC_MSG_RESULT(no)
1761         ])
1762
1763         dnl **********************************
1764         dnl *** Check for gethostbyname2_r ***
1765         dnl **********************************
1766         AC_MSG_CHECKING(for gethostbyname2_r)
1767                 AC_TRY_LINK([
1768                 #include <stdio.h>
1769                 #include <netdb.h>
1770         ], [
1771
1772                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1773         ], [
1774                 # Yes, we have it...
1775                 AC_MSG_RESULT(yes)
1776                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1777         ], [
1778                 AC_MSG_RESULT(no)
1779         ])
1780
1781         dnl **********************************
1782         dnl *** Check for gethostbyname2 ***
1783         dnl **********************************
1784         AC_MSG_CHECKING(for gethostbyname2)
1785                 AC_TRY_LINK([
1786                 #include <stdio.h>
1787                 #include <netdb.h>
1788         ], [
1789                 gethostbyname2(NULL,0);
1790         ], [
1791                 # Yes, we have it...
1792                 AC_MSG_RESULT(yes)
1793                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1794         ], [
1795                 AC_MSG_RESULT(no)
1796         ])
1797
1798         dnl **********************************
1799         dnl *** Check for gethostbyname ***
1800         dnl **********************************
1801         AC_MSG_CHECKING(for gethostbyname)
1802                 AC_TRY_LINK([
1803                 #include <stdio.h>
1804                 #include <netdb.h>
1805         ], [
1806                 gethostbyname(NULL);
1807         ], [
1808                 # Yes, we have it...
1809                 AC_MSG_RESULT(yes)
1810                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1811         ], [
1812                 AC_MSG_RESULT(no)
1813         ])
1814
1815         dnl **********************************
1816         dnl *** Check for getprotobyname ***
1817         dnl **********************************
1818         AC_MSG_CHECKING(for getprotobyname)
1819                 AC_TRY_LINK([
1820                 #include <stdio.h>
1821                 #include <netdb.h>
1822         ], [
1823                 getprotobyname(NULL);
1824         ], [
1825                 # Yes, we have it...
1826                 AC_MSG_RESULT(yes)
1827                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1828         ], [
1829                 AC_MSG_RESULT(no)
1830         ])
1831
1832         dnl **********************************
1833         dnl *** Check for getnameinfo ***
1834         dnl **********************************
1835         AC_MSG_CHECKING(for getnameinfo)
1836                 AC_TRY_LINK([
1837                 #include <stdio.h>
1838                 #include <netdb.h>
1839         ], [
1840                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1841         ], [
1842                 # Yes, we have it...
1843                 AC_MSG_RESULT(yes)
1844                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1845         ], [
1846                 AC_MSG_RESULT(no)
1847         ])
1848
1849
1850         dnl **********************************
1851         dnl *** Check for inet_ntop ***
1852         dnl **********************************
1853         AC_MSG_CHECKING(for inet_ntop)
1854                 AC_TRY_LINK([
1855                 #include <stdio.h>
1856                 #include <arpa/inet.h>
1857         ], [
1858                 inet_ntop (0, NULL, NULL, 0);
1859         ], [
1860                 # Yes, we have it...
1861                 AC_MSG_RESULT(yes)
1862                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1863         ], [
1864                 AC_MSG_RESULT(no)
1865         ])
1866
1867         dnl *****************************
1868         dnl *** Checks for libnsl     ***
1869         dnl *****************************
1870         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1871
1872         AC_CHECK_FUNCS(inet_pton inet_aton)
1873
1874         dnl *****************************
1875         dnl *** Checks for libxnet    ***
1876         dnl *****************************
1877         case "${host}" in
1878                 *solaris* )
1879                         AC_MSG_CHECKING(for Solaris XPG4 support)
1880                         if test -f /usr/lib/libxnet.so; then
1881                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1882                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1883                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1884                                 LIBS="$LIBS -lxnet"
1885                                 AC_MSG_RESULT(yes)
1886                         else
1887                                 AC_MSG_RESULT(no)
1888                         fi
1889
1890                         if test "$GCC" = "yes"; then
1891                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1892                         fi
1893                 ;;
1894         esac
1895
1896         dnl *****************************
1897         dnl *** Checks for libpthread ***
1898         dnl *****************************
1899 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1900 # and libpthread does not exist
1901 #
1902         case "${host}" in
1903                 *-*-*freebsd*)
1904                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1905                 ;;
1906                 *-*-*openbsd*)
1907                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1908                 ;;
1909                 *)
1910                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1911                 ;;
1912         esac
1913         AC_CHECK_HEADERS(pthread.h)
1914         AC_CHECK_HEADERS(pthread_np.h)
1915         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1916         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1917         AC_CHECK_FUNCS(pthread_kill)
1918         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1919         AC_TRY_COMPILE([ #include <pthread.h>], [
1920                 pthread_mutexattr_t attr;
1921                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1922         ], [
1923                 AC_MSG_RESULT(ok)
1924         ], [
1925                 AC_MSG_RESULT(no)
1926                 AC_ERROR(Posix system lacks support for recursive mutexes)
1927         ])
1928         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1929         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1930         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1931
1932         dnl **********************************
1933         dnl *** Check for mincore ***
1934         dnl **********************************
1935         AC_MSG_CHECKING(for mincore)
1936                 AC_TRY_LINK([
1937                 #include <stdio.h>
1938                 #include <sys/types.h>
1939                 #include <sys/mman.h>
1940         ], [
1941                 mincore(NULL, 0, NULL);
1942         ], [
1943                 # Yes, we have it...
1944                 AC_MSG_RESULT(yes)
1945                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1946         ], [
1947                 AC_MSG_RESULT(no)
1948         ])
1949
1950         dnl ***********************************
1951         dnl *** Checks for working __thread ***
1952         dnl ***********************************
1953         AC_MSG_CHECKING(for working __thread)
1954         if test "x$with_tls" != "x__thread"; then
1955                 AC_MSG_RESULT(disabled)
1956         elif test "x$cross_compiling" = "xyes"; then
1957                 AC_MSG_RESULT(cross compiling, assuming yes)
1958         else
1959                 AC_TRY_RUN([
1960                         #if defined(__APPLE__) && defined(__clang__)
1961                         #error "__thread does not currently work with clang on Mac OS X"
1962                         #endif
1963
1964                         #include <pthread.h>
1965                         __thread int i;
1966                         static int res1, res2;
1967
1968                         void thread_main (void *arg)
1969                         {
1970                                 i = arg;
1971                                 sleep (1);
1972                                 if (arg == 1)
1973                                         res1 = (i == arg);
1974                                 else
1975                                         res2 = (i == arg);
1976                         }
1977
1978                         int main () {
1979                                 pthread_t t1, t2;
1980
1981                                 i = 5;
1982
1983                                 pthread_create (&t1, NULL, thread_main, 1);
1984                                 pthread_create (&t2, NULL, thread_main, 2);
1985
1986                                 pthread_join (t1, NULL);
1987                                 pthread_join (t2, NULL);
1988
1989                                 return !(res1 + res2 == 2);
1990                         }
1991                 ], [
1992                                 AC_MSG_RESULT(yes)
1993                 ], [
1994                                 AC_MSG_RESULT(no)
1995                                 with_tls=pthread
1996                 ])
1997         fi
1998
1999         dnl **************************************
2000         dnl *** Checks for working sigaltstack ***
2001         dnl **************************************
2002         AC_MSG_CHECKING(for working sigaltstack)
2003         if test "x$with_sigaltstack" != "xyes"; then
2004                 AC_MSG_RESULT(disabled)
2005         elif test "x$cross_compiling" = "xyes"; then
2006                 AC_MSG_RESULT(cross compiling, assuming yes)
2007         else
2008                 AC_TRY_RUN([
2009                         #include <stdio.h>
2010                         #include <stdlib.h>
2011                         #include <unistd.h>
2012                         #include <signal.h>
2013                         #include <pthread.h>
2014                         #include <sys/wait.h>
2015                         #if defined(__FreeBSD__) || defined(__NetBSD__)
2016                         #define SA_STACK SA_ONSTACK
2017                         #endif
2018                         static void
2019                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
2020                         {
2021                                 exit (0);
2022                         }
2023
2024                         volatile char*__ptr = NULL;
2025                         static void *
2026                         loop (void *ignored)
2027                         {
2028                                 *__ptr = 0;
2029                                 return NULL;
2030                         }
2031
2032                         static void
2033                         child ()
2034                         {
2035                                 struct sigaction sa;
2036                         #ifdef __APPLE__
2037                                 stack_t sas;
2038                         #else
2039                                 struct sigaltstack sas;
2040                         #endif
2041                                 pthread_t id;
2042                                 pthread_attr_t attr;
2043
2044                                 sa.sa_sigaction = sigsegv_signal_handler;
2045                                 sigemptyset (&sa.sa_mask);
2046                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
2047                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
2048                                         perror ("sigaction");
2049                                         return;
2050                                 }
2051
2052                                 /* x86 darwin deliver segfaults using SIGBUS */
2053                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
2054                                         perror ("sigaction");
2055                                         return;
2056                                 }
2057                                 sas.ss_sp = malloc (SIGSTKSZ);
2058                                 sas.ss_size = SIGSTKSZ;
2059                                 sas.ss_flags = 0;
2060                                 if (sigaltstack (&sas, NULL) == -1) {
2061                                         perror ("sigaltstack");
2062                                         return;
2063                                 }
2064
2065                                 pthread_attr_init (&attr);
2066                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
2067                                         printf ("pthread_create\n");
2068                                         return;
2069                                 }
2070
2071                                 sleep (100);
2072                         }
2073
2074                         int
2075                         main ()
2076                         {
2077                                 pid_t son;
2078                                 int status;
2079                                 int i;
2080
2081                                 son = fork ();
2082                                 if (son == -1) {
2083                                         return 1;
2084                                 }
2085
2086                                 if (son == 0) {
2087                                         child ();
2088                                         return 0;
2089                                 }
2090
2091                                 for (i = 0; i < 300; ++i) {
2092                                         waitpid (son, &status, WNOHANG);
2093                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2094                                                 return 0;
2095                                         usleep (10000);
2096                                 }
2097
2098                                 kill (son, SIGKILL);
2099                                 return 1;
2100                         }
2101
2102                 ], [
2103                                 AC_MSG_RESULT(yes)
2104                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2105                 ], [
2106                                 with_sigaltstack=no
2107                                 AC_MSG_RESULT(no)
2108                 ])
2109         fi
2110
2111         dnl ********************************
2112         dnl *** Checks for semaphore lib ***
2113         dnl ********************************
2114         # 'Real Time' functions on Solaris
2115         # posix4 on Solaris 2.6
2116         # pthread (first!) on Linux
2117         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2118
2119         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2120         AC_CHECK_FUNCS(shm_open)
2121
2122         dnl ********************************
2123         dnl *** Checks for timezone stuff **
2124         dnl ********************************
2125         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2126                 AC_TRY_COMPILE([
2127                         #include <time.h>
2128                         ], [
2129                         struct tm tm;
2130                         tm.tm_gmtoff = 1;
2131                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2132         if test $ac_cv_struct_tm_gmtoff = yes; then
2133                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2134         else
2135                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2136                         AC_TRY_COMPILE([
2137                                 #include <time.h>
2138                         ], [
2139                                 timezone = 1;
2140                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2141                 if test $ac_cv_var_timezone = yes; then
2142                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2143                 else
2144                         AC_ERROR(unable to find a way to determine timezone)
2145                 fi
2146         fi
2147
2148         dnl *********************************
2149         dnl *** Checks for math functions ***
2150         dnl *********************************
2151         AC_SEARCH_LIBS(sqrtf, m)
2152         if test "x$has_broken_apple_cpp" != "xyes"; then
2153                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2154                         AC_TRY_LINK([#include <math.h>],
2155                         [ finite(0.0); ],
2156                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2157                         AC_MSG_RESULT(no)))
2158         fi
2159         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2160                 AC_TRY_LINK([#include <math.h>],
2161                 [ isfinite(0.0); ],
2162                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2163                 AC_MSG_RESULT(no)))
2164
2165         dnl ****************************************************************
2166         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2167         dnl *** have it in the library (duh))                            ***
2168         dnl ****************************************************************
2169         AC_CHECK_FUNCS(poll)
2170
2171         dnl *************************
2172         dnl *** Check for signbit ***
2173         dnl *************************
2174         AC_MSG_CHECKING(for signbit)
2175         AC_TRY_LINK([#include <math.h>], [
2176                 int s = signbit(1.0);
2177         ], [
2178                 AC_MSG_RESULT(yes)
2179                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2180         ], [
2181                 AC_MSG_RESULT(no)
2182         ])
2183
2184         dnl **********************************
2185         dnl *** epoll                      ***
2186         dnl **********************************
2187         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2188                 AC_CHECK_HEADERS(sys/epoll.h)
2189                 haveepoll=no
2190                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2191                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2192                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2193                 fi
2194         fi
2195
2196         havekqueue=no
2197
2198         AC_CHECK_HEADERS(sys/event.h)
2199         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2200
2201         dnl **************************************
2202         dnl * Darwin has a race that prevents us from using reliably:
2203         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2204         dnl * Since kqueue is mostly used for scaling large web servers,
2205         dnl * and very few folks run Mono on large web servers on OSX, falling
2206         dnl * back
2207         dnl **************************************
2208         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2209                 if test "x$host_darwin" = "xno"; then
2210                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2211                 fi
2212         fi
2213
2214         dnl ******************************
2215         dnl *** Checks for SIOCGIFCONF ***
2216         dnl ******************************
2217         AC_CHECK_HEADERS(sys/ioctl.h)
2218         AC_CHECK_HEADERS(net/if.h, [], [],
2219            [
2220            #ifdef HAVE_SYS_TYPES_H
2221            # include <sys/types.h>
2222            #endif
2223            #ifdef HAVE_SYS_SOCKET_H
2224            # include <sys/socket.h>
2225            #endif
2226            ])
2227         AC_MSG_CHECKING(for ifreq)
2228         AC_TRY_COMPILE([
2229                 #include <stdio.h>
2230                 #include <sys/ioctl.h>
2231                 #include <net/if.h>
2232                 ], [
2233                 struct ifconf ifc;
2234                 struct ifreq *ifr;
2235                 void *x;
2236                 ifc.ifc_len = 0;
2237                 ifc.ifc_buf = NULL;
2238                 x = (void *) &ifr->ifr_addr;
2239                 ],[
2240                         AC_MSG_RESULT(yes)
2241                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2242                 ], [
2243                         AC_MSG_RESULT(no)
2244                 ])
2245         dnl **********************************
2246         dnl ***     Checks for sin_len     ***
2247         dnl **********************************
2248         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2249         AC_TRY_COMPILE([
2250                 #include <netinet/in.h>
2251                 ], [
2252                 struct sockaddr_in saddr;
2253                 saddr.sin_len = sizeof (saddr);
2254                 ],[
2255                         AC_MSG_RESULT(yes)
2256                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2257                 ], [
2258                         AC_MSG_RESULT(no)
2259                 ])
2260         dnl **********************************
2261         dnl ***    Checks for sin6_len     ***
2262         dnl **********************************
2263         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2264         AC_TRY_COMPILE([
2265                 #include <netinet/in.h>
2266                 ], [
2267                 struct sockaddr_in6 saddr6;
2268                 saddr6.sin6_len = sizeof (saddr6);
2269                 ],[
2270                         AC_MSG_RESULT(yes)
2271                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2272                 ], [
2273                         AC_MSG_RESULT(no)
2274                 ])
2275         dnl **********************************
2276         dnl *** Check for getifaddrs       ***
2277         dnl **********************************
2278         AC_MSG_CHECKING(for getifaddrs)
2279                 AC_TRY_LINK([
2280                 #include <stdio.h>
2281                 #include <sys/types.h>
2282                 #include <sys/socket.h>
2283                 #include <ifaddrs.h>
2284         ], [
2285                 getifaddrs(NULL);
2286         ], [
2287                 # Yes, we have it...
2288                 AC_MSG_RESULT(yes)
2289                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2290         ], [
2291                 AC_MSG_RESULT(no)
2292         ])
2293         dnl **********************************
2294         dnl *** Check for if_nametoindex   ***
2295         dnl **********************************
2296         AC_MSG_CHECKING(for if_nametoindex)
2297                 AC_TRY_LINK([
2298                 #include <stdio.h>
2299                 #include <sys/types.h>
2300                 #include <sys/socket.h>
2301                 #include <net/if.h>
2302         ], [
2303                 if_nametoindex(NULL);
2304         ], [
2305                 # Yes, we have it...
2306                 AC_MSG_RESULT(yes)
2307                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2308         ], [
2309                 AC_MSG_RESULT(no)
2310         ])
2311
2312         dnl **********************************
2313         dnl *** Checks for MonoPosixHelper ***
2314         dnl **********************************
2315         AC_CHECK_HEADERS(checklist.h)
2316         AC_CHECK_HEADERS(pathconf.h)
2317         AC_CHECK_HEADERS(fstab.h)
2318         AC_CHECK_HEADERS(attr/xattr.h)
2319         AC_CHECK_HEADERS(sys/extattr.h)
2320         AC_CHECK_HEADERS(sys/sendfile.h)
2321         AC_CHECK_HEADERS(sys/statvfs.h)
2322         AC_CHECK_HEADERS(sys/statfs.h)
2323         AC_CHECK_HEADERS(sys/vfstab.h)
2324         AC_CHECK_HEADERS(sys/xattr.h)
2325         AC_CHECK_HEADERS(sys/mman.h)
2326         AC_CHECK_HEADERS(sys/param.h)
2327         AC_CHECK_HEADERS(sys/mount.h, [], [],
2328                 [
2329                 #ifdef HAVE_SYS_PARAM_H
2330                 # include <sys/param.h>
2331                 #endif
2332                 ])
2333         AC_CHECK_HEADERS(sys/mount.h)
2334         AC_CHECK_FUNCS(confstr)
2335         AC_CHECK_FUNCS(seekdir telldir)
2336         AC_CHECK_FUNCS(getdomainname)
2337         AC_CHECK_FUNCS(setdomainname)
2338         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2339         AC_CHECK_FUNCS(setgroups)
2340         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2341         AC_CHECK_FUNCS(getfsstat)
2342         AC_CHECK_FUNCS(lutimes futimes)
2343         AC_CHECK_FUNCS(mremap)
2344         AC_CHECK_FUNCS(remap_file_pages)
2345         AC_CHECK_FUNCS(posix_fadvise)
2346         AC_CHECK_FUNCS(posix_fallocate)
2347         AC_CHECK_FUNCS(posix_madvise)
2348         AC_CHECK_FUNCS(vsnprintf)
2349         AC_CHECK_FUNCS(sendfile)
2350         AC_CHECK_FUNCS(gethostid sethostid)
2351         AC_CHECK_FUNCS(sethostname)
2352         AC_CHECK_FUNCS(statfs)
2353         AC_CHECK_FUNCS(fstatfs)
2354         AC_CHECK_FUNCS(statvfs)
2355         AC_CHECK_FUNCS(fstatvfs)
2356         AC_CHECK_FUNCS(stime)
2357         AC_CHECK_FUNCS(strerror_r)
2358         AC_CHECK_FUNCS(ttyname_r)
2359         AC_CHECK_FUNCS(psignal)
2360         AC_CHECK_FUNCS(getlogin_r)
2361         AC_CHECK_FUNCS(lockf)
2362         AC_CHECK_FUNCS(swab)
2363         AC_CHECK_FUNCS(setusershell endusershell)
2364         AC_CHECK_FUNCS(futimens utimensat)
2365         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2366         AC_CHECK_FUNCS(readv writev preadv pwritev)
2367         AC_CHECK_FUNCS(setpgid)
2368         AC_CHECK_FUNCS(system)
2369         AC_CHECK_FUNCS(fork execv execve)
2370         AC_CHECK_FUNCS(accept4)
2371         AC_CHECK_SIZEOF(size_t)
2372         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2373                 [#include <sys/types.h>
2374                  #include <sys/stat.h>
2375                  #include <unistd.h>])
2376         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2377                 [#include <sys/types.h>
2378                  #include <sys/stat.h>
2379                  #include <unistd.h>])
2380         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2381                 [#include <sys/time.h>])
2382         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2383                 [#include <sys/socket.h>])
2384         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2385                 [#include <unistd.h>
2386                  #include <fcntl.h>])
2387         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2388                 [#include <sys/uio.h>])
2389         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2390                 [#include <sys/socket.h>])
2391         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2392                 [#include <sys/poll.h>])
2393         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2394                 [#include <sys/socket.h>])
2395         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2396                 [#include <sys/socket.h>])
2397         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2398                 [#include <netinet/in.h>])
2399         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2400                 [#include <netinet/in.h>])
2401         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2402                 [#include <sys/un.h>])
2403         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2404                 [#include <sys/types.h>
2405                  #include <sys/stat.h>
2406                  #include <unistd.h>])
2407         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2408                 [#include <time.h>])
2409         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2410                 [#include <sys/time.h>
2411                  #include <sys/types.h>
2412                  #include <utime.h>])
2413         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2414                 [#include <sys/time.h>])
2415         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2416                 [#include <sys/types.h>
2417                  #include <utime.h>])
2418         AC_CHECK_MEMBERS(
2419                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2420                 [#include <sys/types.h>
2421                  #include <dirent.h>])
2422         AC_CHECK_MEMBERS(
2423                 [struct passwd.pw_gecos],,,
2424                 [#include <sys/types.h>
2425                  #include <pwd.h>])
2426         AC_CHECK_MEMBERS(
2427                 [struct statfs.f_flags],,,
2428                 [#include <sys/types.h>
2429                  #include <sys/vfs.h>])
2430         AC_CHECK_MEMBERS(
2431                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2432                 [#include <sys/types.h>
2433                  #include <sys/stat.h>
2434                  #include <unistd.h>])
2435
2436         dnl Favour xattr through glibc, but use libattr if we have to
2437         AC_CHECK_FUNC(lsetxattr, ,
2438                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2439         )
2440         AC_SUBST(XATTR_LIB)
2441
2442         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2443         AC_CHECK_MEMBERS(
2444                 [struct kinfo_proc.kp_proc],,,
2445                 [#include <sys/types.h>
2446                  #include <sys/param.h>
2447                  #include <sys/sysctl.h>
2448                  #include <sys/proc.h>
2449                  ])
2450
2451         dnl *********************************
2452         dnl *** Checks for Windows compilation ***
2453         dnl *********************************
2454         AC_CHECK_HEADERS(sys/time.h)
2455         AC_CHECK_HEADERS(sys/param.h)
2456         AC_CHECK_HEADERS(dirent.h)
2457
2458         dnl ******************************************
2459         dnl *** Checks for OSX and iOS compilation ***
2460         dnl ******************************************
2461         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2462
2463         dnl *********************************
2464         dnl *** Check for Console 2.0 I/O ***
2465         dnl *********************************
2466         AC_CHECK_HEADERS([curses.h])
2467         AC_CHECK_HEADERS([term.h], [], [],
2468         [#if HAVE_CURSES_H
2469          #include <curses.h>
2470          #endif
2471         ])
2472         AC_CHECK_HEADERS([termios.h])
2473 else
2474         dnl *********************************
2475         dnl *** Checks for Windows compilation ***
2476         dnl *********************************
2477         AC_CHECK_HEADERS(winternl.h)
2478
2479         jdk_headers_found=no
2480         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2481         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2482         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2483         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2484         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2485         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2486         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2487
2488         dnl *********************************
2489         dnl *** Check for struct ip_mreqn ***
2490         dnl *********************************
2491         AC_MSG_CHECKING(for struct ip_mreqn)
2492         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2493                 struct ip_mreqn mreq;
2494                 mreq.imr_address.s_addr = 0;
2495         ], [
2496                 # Yes, we have it...
2497                 AC_MSG_RESULT(yes)
2498                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2499         ], [
2500                 # We'll just have to try and use struct ip_mreq
2501                 AC_MSG_RESULT(no)
2502                 AC_MSG_CHECKING(for struct ip_mreq)
2503                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2504                         struct ip_mreq mreq;
2505                         mreq.imr_interface.s_addr = 0;
2506                 ], [
2507                         # Yes, we have it...
2508                         AC_MSG_RESULT(yes)
2509                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2510                 ], [
2511                         # No multicast support
2512                         AC_MSG_RESULT(no)
2513                 ])
2514         ])
2515
2516         dnl **********************************
2517         dnl *** Check for getaddrinfo ***
2518         dnl **********************************
2519         AC_MSG_CHECKING(for getaddrinfo)
2520                 AC_TRY_LINK([
2521                 #include <stdio.h>
2522                 #include <winsock2.h>
2523                 #include <ws2tcpip.h>
2524         ], [
2525                 getaddrinfo(NULL,NULL,NULL,NULL);
2526         ], [
2527                 # Yes, we have it...
2528                 AC_MSG_RESULT(yes)
2529                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2530         ], [
2531                 AC_MSG_RESULT(no)
2532         ])
2533
2534         dnl **********************************
2535         dnl *** Check for gethostbyname ***
2536         dnl **********************************
2537         AC_MSG_CHECKING(for gethostbyname)
2538                 AC_TRY_LINK([
2539                 #include <stdio.h>
2540                 #include <winsock2.h>
2541                 #include <ws2tcpip.h>
2542         ], [
2543                 gethostbyname(NULL);
2544         ], [
2545                 # Yes, we have it...
2546                 AC_MSG_RESULT(yes)
2547                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2548         ], [
2549                 AC_MSG_RESULT(no)
2550         ])
2551
2552         dnl **********************************
2553         dnl *** Check for getprotobyname ***
2554         dnl **********************************
2555         AC_MSG_CHECKING(for getprotobyname)
2556                 AC_TRY_LINK([
2557                 #include <stdio.h>
2558                 #include <winsock2.h>
2559                 #include <ws2tcpip.h>
2560         ], [
2561                 getprotobyname(NULL);
2562         ], [
2563                 # Yes, we have it...
2564                 AC_MSG_RESULT(yes)
2565                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2566         ], [
2567                 AC_MSG_RESULT(no)
2568         ])
2569
2570         dnl **********************************
2571         dnl *** Check for getnameinfo ***
2572         dnl **********************************
2573         AC_MSG_CHECKING(for getnameinfo)
2574                 AC_TRY_LINK([
2575                 #include <stdio.h>
2576                 #include <winsock2.h>
2577                 #include <ws2tcpip.h>
2578         ], [
2579                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2580         ], [
2581                 # Yes, we have it...
2582                 AC_MSG_RESULT(yes)
2583                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2584         ], [
2585                 AC_MSG_RESULT(no)
2586         ])
2587
2588         dnl **********************************
2589         dnl *** Check for inet_ntop ***
2590         dnl **********************************
2591         AC_MSG_CHECKING(for inet_ntop)
2592                 AC_TRY_LINK([
2593                 #include <stdio.h>
2594                 #include <winsock2.h>
2595                 #include <ws2tcpip.h>
2596         ], [
2597                 inet_ntop (0, NULL, NULL, 0);
2598         ], [
2599                 # Yes, we have it...
2600                 AC_MSG_RESULT(yes)
2601                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2602         ], [
2603                 AC_MSG_RESULT(no)
2604         ])
2605
2606         dnl **********************************
2607         dnl *** Check for inet_pton ***
2608         dnl **********************************
2609         AC_MSG_CHECKING(for inet_pton)
2610                 AC_TRY_LINK([
2611                 #include <stdio.h>
2612                 #include <winsock2.h>
2613                 #include <ws2tcpip.h>
2614         ], [
2615                 #ifndef inet_pton
2616                 (void) inet_pton;
2617                 #endif
2618                 inet_pton (0, NULL, NULL);
2619         ], [
2620                 # Yes, we have it...
2621                 AC_MSG_RESULT(yes)
2622                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2623         ], [
2624                 AC_MSG_RESULT(no)
2625         ])
2626
2627         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2628         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2629         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2630         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2631         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2632         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2633         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2634 fi
2635
2636 dnl socklen_t check
2637 AC_MSG_CHECKING(for socklen_t)
2638 AC_TRY_COMPILE([
2639 #include <sys/types.h>
2640 #include <sys/socket.h>
2641 ],[
2642   socklen_t foo;
2643 ],[
2644 ac_cv_c_socklen_t=yes
2645         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2646         AC_MSG_RESULT(yes)
2647 ],[
2648         AC_MSG_RESULT(no)
2649 ])
2650
2651 AC_MSG_CHECKING(for array element initializer support)
2652 AC_TRY_COMPILE([#include <sys/socket.h>], [
2653         const int array[] = {[1] = 2,};
2654 ], [
2655         # Yes, we have it...
2656         AC_MSG_RESULT(yes)
2657         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2658 ], [
2659         # We'll have to use signals
2660         AC_MSG_RESULT(no)
2661 ])
2662
2663 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2664         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2665         AC_TRY_LINK([#include <math.h>],
2666         [ static void *p = &trunc; ],
2667         [
2668                 AC_DEFINE(HAVE_TRUNC)
2669                 AC_MSG_RESULT(yes)
2670                 ac_cv_trunc=yes
2671         ],
2672         AC_MSG_RESULT(no)))
2673
2674 if test "x$ac_cv_truncl" != "xyes"; then
2675    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2676 fi
2677
2678 AC_CHECK_FUNCS(execvp)
2679
2680 dnl ****************************
2681 dnl *** Look for /dev/random ***
2682 dnl ****************************
2683
2684 AC_MSG_CHECKING([if usage of random device is requested])
2685 AC_ARG_ENABLE(dev-random,
2686 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2687 try_dev_random=$enableval, try_dev_random=yes)
2688
2689 AC_MSG_RESULT($try_dev_random)
2690
2691 case "{$build}" in
2692     *-openbsd*)
2693     NAME_DEV_RANDOM="/dev/srandom"
2694     ;;
2695
2696 dnl Win32 does not have /dev/random, they have their own method...
2697
2698     *-mingw*|*-*-cygwin*)
2699     ac_cv_have_dev_random=no
2700     ;;
2701
2702 dnl Everywhere else, it's /dev/random
2703
2704     *)
2705     NAME_DEV_RANDOM="/dev/random"
2706     ;;
2707 esac
2708
2709 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2710
2711 dnl Now check if the device actually exists
2712
2713 if test "x$try_dev_random" = "xyes"; then
2714     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2715     [if test -r "$NAME_DEV_RANDOM" ; then
2716         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2717     if test "x$ac_cv_have_dev_random" = "xyes"; then
2718         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2719     fi
2720 else
2721     AC_MSG_CHECKING(for random device)
2722     ac_cv_have_dev_random=no
2723     AC_MSG_RESULT(has been disabled)
2724 fi
2725
2726 if test "x$host_win32" = "xyes"; then
2727     AC_DEFINE(HAVE_CRYPT_RNG)
2728 fi
2729
2730 if test "x$ac_cv_have_dev_random" = "xno" \
2731     && test "x$host_win32" = "xno"; then
2732     AC_MSG_WARN([[
2733 ***
2734 *** A system-provided entropy source was not found on this system.
2735 *** Because of this, the System.Security.Cryptography random number generator
2736 *** will throw a NotImplemented exception.
2737 ***
2738 *** If you are seeing this message, and you know your system DOES have an
2739 *** entropy collection in place, please contact <crichton@gimp.org> and
2740 *** provide information about the system and how to access the random device.
2741 ***
2742 *** Otherwise you can install either egd or prngd and set the environment
2743 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2744 ***]])
2745 fi
2746
2747 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2748
2749 AC_MSG_CHECKING([if big-arrays are to be enabled])
2750 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2751 if test "x$enable_big_arrays" = "xyes" ; then
2752     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2753         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2754     else
2755         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2756     fi
2757 fi
2758 AC_MSG_RESULT($enable_big_arrays)
2759
2760 dnl **************
2761 dnl *** DTRACE ***
2762 dnl **************
2763
2764 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2765
2766 if test "x$enable_dtrace" = "xyes"; then
2767    if test "x$has_dtrace" = "xno"; then
2768           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2769    fi
2770    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2771    if test "x$DTRACE" = "xno"; then
2772           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2773           enable_dtrace=no
2774    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2775           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2776           enable_dtrace=no
2777    fi
2778 fi
2779
2780 dtrace_g=no
2781 if test "x$enable_dtrace" = "xyes"; then
2782         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2783         DTRACEFLAGS=
2784         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2785                 case "$host" in
2786                         powerpc-*-darwin*)
2787                         DTRACEFLAGS="-arch ppc64"
2788                         ;;
2789                         i*86-*-darwin*)
2790                         DTRACEFLAGS="-arch x86_64"
2791                         ;;
2792                         *)
2793                         DTRACEFLAGS=-64
2794                         ;;
2795                 esac
2796         else
2797                 case "$host" in
2798                         powerpc-*-darwin*)
2799                         DTRACEFLAGS="-arch ppc"
2800                         ;;
2801                         i*86-*-darwin*)
2802                         DTRACEFLAGS="-arch i386"
2803                         ;;
2804                         *)
2805                         DTRACEFLAGS=-32
2806                         ;;
2807                 esac
2808         fi
2809         AC_SUBST(DTRACEFLAGS)
2810         case "$host" in
2811                 *-*-solaris*)
2812                 dtrace_g=yes
2813                 ;;
2814         esac
2815         AC_CHECK_HEADERS([sys/sdt.h])
2816 fi
2817 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2818 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2819
2820 dnl **************
2821 dnl ***  NaCl  ***
2822 dnl **************
2823
2824 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2825 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2826
2827 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2828
2829 dnl
2830 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2831 dnl
2832 nacl_self_host=""
2833 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2834    nacl_self_host="nacl_self_host"
2835 fi
2836 AC_SUBST(nacl_self_host)
2837
2838 if test "x$enable_nacl_codegen" = "xyes"; then
2839    MONO_NACL_ALIGN_MASK_OFF=1
2840    AC_DEFINE(TARGET_NACL, 1, [...])
2841    AC_DEFINE(__native_client_codegen__, 1, [...])
2842 fi
2843 if test "x$enable_nacl_gc" = "xyes"; then
2844    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2845       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2846    else
2847       # Not yet implemented
2848       INSTRUMENT_CFLAG=""
2849    fi
2850    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2851 fi
2852 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2853
2854 dnl **************************
2855 dnl *** AOT cross offsets  ***
2856 dnl **************************
2857
2858 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2859     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2860
2861 dnl **************
2862 dnl ***  LLVM  ***
2863 dnl **************
2864
2865 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2866 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2867 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2868 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2869
2870 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2871
2872 if test "x$enable_llvm" = "xdefault"; then
2873    enable_llvm=$enable_llvm_default
2874 fi
2875
2876 if test "x$enable_llvm" = "xyes"; then
2877    if test "x$with_llvm" != "x"; then
2878           LLVM_CONFIG=$with_llvm/bin/llvm-config
2879           if test x$host_win32 = xyes; then
2880                 LLVM_CONFIG=$LLVM_CONFIG.exe
2881           fi
2882           if test ! -x $LLVM_CONFIG; then
2883                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2884       fi
2885    else
2886       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2887       if test "x$LLVM_CONFIG" = "xno"; then
2888              AC_MSG_ERROR([llvm-config not found.])
2889       fi
2890    fi
2891
2892    llvm_codegen="x86codegen"
2893    case "$target" in
2894    arm*)
2895                 llvm_codegen="armcodegen"
2896                 ;;
2897    esac
2898
2899    if test "x$host_win32" = "xno"; then
2900
2901    # Should be something like '2.6' or '2.7svn'
2902    llvm_version=`$LLVM_CONFIG --version`
2903    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2904    AC_MSG_CHECKING(LLVM version)
2905    AC_MSG_RESULT($llvm_version $llvm_api_version)
2906    if echo $llvm_version | grep -q 'mono'; then
2907           if test "x$enable_llvm_version_check" = "xyes"; then
2908                  if test "$llvm_version" != "$expected_llvm_version"; then
2909                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2910                  fi
2911           fi
2912    else
2913           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.])
2914    fi
2915
2916    # The output of --cflags seems to include optimizations flags too
2917    if test $llvm_api_version -gt 100; then
2918           # The --cflags argument includes all kinds of warnings -pendantic etc.
2919           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2920           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2921    else
2922           LLVM_CFLAGS=`$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'`
2923       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2924    fi
2925    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2926    # from LLVM classes.
2927    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2928    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2929    # This might include empty lines
2930    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2931    llvm_jit_supported=yes
2932    llvm_jit_libs="jit mcjit $llvm_codegen"
2933    if test "x$host" != "x$target"; then
2934       # No need for jit libs
2935           llvm_jit_supported=no
2936       llvm_jit_libs=""
2937    elif test $llvm_api_version -gt 100; then
2938       llvm_jit_libs="orcjit $llvm_codegen"
2939    fi
2940    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2941    if test "x$LLVM_LIBS" = "x"; then
2942           echo "$LLVM_CONFIG --libs failed."
2943           exit 1
2944    fi
2945    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2946    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2947    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2948       LLVM_LIBS="$LLVM_LIBS -lc++"
2949    else
2950       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2951    fi
2952
2953    expected_llvm_version="3.4svn-mono-mono/e656cac"
2954
2955    else
2956        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2957        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2958        LLVM_LDFLAGS="-L$with_llvm/lib"
2959        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2960        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2961          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2962          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2963          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2964          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2965          -lLLVMAnalysis -lLLVMTarget \
2966          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2967          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2968          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2969          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2970          -lLLVMSupport -lstdc++"
2971        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2972
2973        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2974        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2975    fi
2976
2977    if test "x$llvm_api_version" = "x"; then
2978           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2979           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2980    else
2981           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2982           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2983    fi
2984
2985    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2986
2987    AC_SUBST(LLVM_CFLAGS)
2988    AC_SUBST(LLVM_CXXFLAGS)
2989    AC_SUBST(LLVM_LIBS)
2990    AC_SUBST(LLVM_LDFLAGS)
2991    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2992 fi
2993
2994 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2995 if test "x$enable_loadedllvm" = "xyes"; then
2996    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2997 fi
2998 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2999
3000 if test "x$enable_llvm" = "xyes"; then
3001    enable_llvm_runtime=yes
3002 fi
3003 if test "x$enable_llvm_runtime" = "xyes"; then
3004    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
3005 fi
3006 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
3007
3008 TARGET="unknown"
3009 ACCESS_UNALIGNED="yes"
3010
3011 LIBC="libc.so.6"
3012 INTL="libc.so.6"
3013 SQLITE="libsqlite.so.0"
3014 SQLITE3="libsqlite3.so.0"
3015 X11="libX11.so"
3016 GDKX11="libgdk-x11-2.0.so.0"
3017 GTKX11="libgtk-x11-2.0.so.0"
3018 XINERAMA="libXinerama.so.1"
3019
3020 sizeof_register="SIZEOF_VOID_P"
3021
3022 jit_wanted=true
3023 boehm_supported=true
3024 BTLS_SUPPORTED=no
3025 BTLS_PLATFORM=
3026 case "$host" in
3027         mips*)
3028                 TARGET=MIPS;
3029                 arch_target=mips;
3030                 with_tls=pthread;
3031                 ACCESS_UNALIGNED="no"
3032
3033                 AC_MSG_CHECKING(for mips n32)
3034                 AC_TRY_COMPILE([],[
3035                 #if _MIPS_SIM != _ABIN32
3036                 #error Not mips n32
3037                 #endif
3038                 return 0;
3039                 ],[
3040                 AC_MSG_RESULT(yes)
3041                 sizeof_register=8
3042                 ],[
3043                 AC_MSG_RESULT(no)
3044                 ])
3045                 ;;
3046         i*86-*-*)
3047                 TARGET=X86;
3048                 arch_target=x86;
3049                 case $host_os in
3050                   solaris*)
3051                         LIBC="libc.so"
3052                         INTL="libintl.so"
3053                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
3054                                 TARGET=AMD64
3055                                 arch_target=amd64
3056                         fi
3057
3058                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
3059                         # int astruct __attribute__ ((visibility ("hidden")));
3060                         # void foo ()
3061                         # {
3062                         #       void *p = &astruct;
3063                         # }
3064                         # gcc -fPIC --shared -o libfoo.so foo.c
3065                         # yields:
3066                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
3067                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3068                         have_visibility_hidden=no
3069                         ;;
3070                   mingw*|cygwin*)
3071                         have_visibility_hidden=no
3072                         ;;
3073                   haiku*)
3074                         LIBC=libroot.so
3075                         ;;
3076                   linux*)
3077                         AOT_SUPPORTED="yes"
3078                         BTLS_SUPPORTED=yes
3079                         BTLS_PLATFORM=i386
3080                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3081                         ;;
3082                   darwin*)
3083                         AOT_SUPPORTED="yes"
3084                         BTLS_SUPPORTED=yes
3085                         BTLS_PLATFORM=i386
3086                         ;;
3087                   openbsd*|freebsd*|kfreebsd-gnu*)
3088                         ;;
3089                 esac
3090                 ;;
3091         x86_64-*-* | amd64-*-*)
3092                 TARGET=AMD64;
3093                 arch_target=amd64;
3094                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3095                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3096                         sizeof_register=8
3097                 fi
3098                 case $host_os in
3099                   linux*)
3100                         AOT_SUPPORTED="yes"
3101                         BTLS_SUPPORTED=yes
3102                         BTLS_PLATFORM=x86_64
3103                         AC_CHECK_HEADER(stdalign.h,[],[BTLS_SUPPORTED=no])
3104                         ;;
3105                   darwin*)
3106                         AOT_SUPPORTED="yes"
3107                         BTLS_SUPPORTED=yes
3108                         BTLS_PLATFORM=x86_64
3109                         boehm_supported=false
3110                         ;;
3111                   openbsd*|freebsd*|kfreebsd-gnu*)
3112                         ;;
3113                   mingw*)
3114                         ;;
3115                 esac
3116                 case "$host" in
3117                         x86_64-*-nacl*)
3118                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3119                                 sizeof_register=8
3120                                 ;;
3121                 esac
3122                 ;;
3123         ia64-*-*)
3124                 TARGET=IA64
3125                 arch_target=ia64
3126                 ACCESS_UNALIGNED="no"
3127                 LIBC="libc.so.6.1"
3128                 INTL="libc.so.6.1"
3129                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3130                 libmono_ldflags="-lunwind"
3131                 ;;
3132         sparc*-*-*)
3133                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3134                    TARGET=SPARC64
3135                 else
3136                         TARGET=SPARC
3137                 fi
3138                 arch_target=sparc;
3139                 ACCESS_UNALIGNED="no"
3140                 case $host_os in
3141                   linux*) ;;
3142                   *)
3143                         LIBC="libc.so"
3144                         INTL="libintl.so"
3145                 esac
3146                 if test x"$GCC" = xyes; then
3147                         # We don't support v8 cpus
3148                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3149                 fi
3150                 if test x"$AR" = xfalse; then
3151                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3152                 fi
3153                 ;;
3154         *-mingw*|*-*-cygwin*)
3155                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3156                 have_visibility_hidden=no
3157                 INTL="intl"
3158                 ;;
3159         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3160         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3161                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3162                         TARGET=POWERPC64;
3163                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3164                         CFLAGS="$CFLAGS -mminimal-toc"
3165                 else
3166                         TARGET=POWERPC;
3167                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3168                 fi
3169                 arch_target=ppc;
3170                 case $host_os in
3171                   linux*|darwin*)
3172                         ;;
3173                 esac
3174                 ;;
3175         armv7k-*-darwin*)
3176                 TARGET=ARM;
3177                 TARGET_SYS=WATCHOS
3178                 arch_target=arm;
3179                 arm_fpu=VFP_HARD
3180                 ACCESS_UNALIGNED="no"
3181                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3182                 ;;
3183
3184         arm*-darwin*)
3185                 TARGET=ARM;
3186                 arch_target=arm;
3187                 ACCESS_UNALIGNED="no"
3188                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3189                 ;;
3190         arm*-linux*)
3191                 TARGET=ARM;
3192                 arch_target=arm;
3193                 ACCESS_UNALIGNED="no"
3194                 AOT_SUPPORTED="yes"
3195                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3196                 ;;
3197         arm*-netbsd*-eabi*)
3198                 TARGET=ARM;
3199                 arch_target=arm;
3200                 ACCESS_UNALIGNED="no"
3201                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3202                 ;;
3203 # TODO: make proper support for NaCl host.
3204 #        arm*-*nacl)
3205 #               TARGET=ARM;
3206 #               arch_target=arm;
3207 #               ACCESS_UNALIGNED="no"
3208 #               AOT_SUPPORTED="no"
3209 #               ;;
3210         aarch64-*)
3211                 # https://lkml.org/lkml/2012/7/15/133
3212                 TARGET=ARM64
3213                 arch_target=arm64
3214                 boehm_supported=false
3215                 AOT_SUPPORTED="yes"
3216                 ;;
3217         s390x-*-linux*)
3218                 TARGET=S390X;
3219                 arch_target=s390x;
3220                 ACCESS_UNALIGNED="yes"
3221                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3222                 ;;
3223 esac
3224
3225 HOST=$TARGET
3226
3227 if test "x$host" != "x$target"; then
3228    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3229    enable_mcs_build=no
3230    BTLS_SUPPORTED=no
3231    case "$target" in
3232    arm*-darwin*)
3233                 TARGET=ARM;
3234                 arch_target=arm;
3235                 ACCESS_UNALIGNED="no"
3236                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3237                 # Can't use tls, since it depends on the runtime detection of tls offsets
3238                 # in mono-compiler.h
3239                 with_tls=pthread
3240                 case "$target" in
3241                 armv7k-*)
3242                         arm_fpu=VFP_HARD
3243                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3244                         ;;
3245                 esac
3246                 ;;
3247    powerpc64-ps3-linux-gnu)
3248                 TARGET=POWERPC64
3249                 arch_target=powerpc64
3250                 AC_DEFINE(TARGET_PS3, 1, [...])
3251                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3252                 # uses this define
3253                 AC_DEFINE(__mono_ppc64__, 1, [...])
3254                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3255                 sizeof_register=8
3256                 target_byte_order=G_BIG_ENDIAN
3257                 ;;
3258    powerpc64-xbox360-linux-gnu)
3259                 TARGET=POWERPC64
3260                 arch_target=powerpc64
3261                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3262                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3263                 # uses this define
3264                 sizeof_register=8
3265                 target_byte_order=G_BIG_ENDIAN
3266                 ;;
3267    x86_64-*-nacl)
3268                 TARGET=AMD64
3269                 arch_target=amd64
3270                 AC_DEFINE(TARGET_AMD64, 1, [...])
3271                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3272                 sizeof_register=8
3273                 ;;
3274 # TODO: make proper support for NaCl target.
3275 #   arm*-*nacl)
3276 #               TARGET=ARM
3277 #               arch_target=arm
3278 #               AC_DEFINE(TARGET_ARM, 1, [...])
3279 #               ACCESS_UNALIGNED="no"
3280 #               sizeof_register=4
3281 #               CPPFLAGS="$CPPFLAGS \
3282 #                    -D__ARM_EABI__ \
3283 #                    -D__arm__ \
3284 #                    -D__portable_native_client__ \
3285 #                    -Dtimezone=_timezone \
3286 #                    -DDISABLE_SOCKETS \
3287 #                    -DDISABLE_ATTACH \
3288 #                    -DUSE_NEWLIB"
3289                 # Can't use tls, since it depends on the runtime detection of tls offsets
3290                 # in mono-compiler.h
3291 #               with_tls=pthread
3292 #               ;;
3293    i686-*-nacl)
3294                 TARGET=X86
3295                 arch_target=x86
3296                 AC_DEFINE(TARGET_X86, 1, [...])
3297                 sizeof_register=4
3298                 ;;
3299    arm*-linux-*)
3300                 TARGET=ARM;
3301                 arch_target=arm;
3302                 AC_DEFINE(TARGET_ARM, 1, [...])
3303                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3304                 ACCESS_UNALIGNED="no"
3305                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3306                 # Can't use tls, since it depends on the runtime detection of tls offsets
3307                 # in mono-compiler.h
3308                 with_tls=pthread
3309                 target_mach=no
3310                 case "$target" in
3311                 armv7l-unknown-linux-gnueabi*)
3312                         # TEGRA
3313                         CPPFLAGS="$CPPFLAGS"
3314                         ;;
3315                 armv5-*-linux-androideabi*)
3316                         CPPFLAGS="$CPPFLAGS"
3317                         ;;
3318                 esac
3319                 ;;
3320    arm*-netbsd*-eabi*)
3321                 TARGET=ARM;
3322                 arch_target=arm;
3323                 AC_DEFINE(TARGET_ARM, 1, [...])
3324                 ACCESS_UNALIGNED="no"
3325                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3326                 # Can't use tls, since it depends on the runtime detection of tls offsets
3327                 # in mono-compiler.h
3328                 with_tls=pthread
3329                 target_mach=no
3330                 ;;
3331    i686*-linux-*)
3332                 TARGET=X86;
3333                 arch_target=x86;
3334                 AC_DEFINE(TARGET_X86, 1, [...])
3335                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3336                 CPPFLAGS="$CPPFLAGS"
3337                 # Can't use tls, since it depends on the runtime detection of tls offsets
3338                 # in mono-compiler.h
3339                 with_tls=pthread
3340                 target_mach=no
3341                 ;;
3342    x86_64*-linux-*)
3343                 TARGET=AMD64;
3344                 arch_target=amd64;
3345                 AC_DEFINE(TARGET_AMD64, 1, [...])
3346                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3347                 CPPFLAGS="$CPPFLAGS"
3348                 # Can't use tls, since it depends on the runtime detection of tls offsets
3349                 # in mono-compiler.h
3350                 with_tls=pthread
3351                 target_mach=no
3352                 ;;
3353    x86_64-ps4-freebsd)
3354                 TARGET=AMD64;
3355                 arch_target=amd64;
3356                 AC_DEFINE(TARGET_AMD64, 1, [...])
3357                 AC_DEFINE(TARGET_PS4, 1, [...])
3358                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3359                 CPPFLAGS="$CPPFLAGS"
3360                 # Can't use tls, since it depends on the runtime detection of tls offsets
3361                 # in mono-compiler.h
3362                 with_tls=pthread
3363                 target_mach=no
3364                 target_win32=no
3365                 ;;
3366    aarch64*-linux-*)
3367                 TARGET=ARM64;
3368                 arch_target=arm64;
3369                 AC_DEFINE(TARGET_ARM64, 1, [...])
3370                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3371                 CPPFLAGS="$CPPFLAGS"
3372                 # Can't use tls, since it depends on the runtime detection of tls offsets
3373                 # in mono-compiler.h
3374                 with_tls=pthread
3375                 target_mach=no
3376                 ;;
3377         aarch64-*)
3378                 TARGET=ARM64
3379                 ;;
3380         *)
3381                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3382         esac
3383 fi
3384
3385 case "$TARGET" in
3386 X86)
3387         AC_DEFINE(TARGET_X86, 1, [...])
3388         ;;
3389 AMD64)
3390         AC_DEFINE(TARGET_AMD64, 1, [...])
3391         ;;
3392 ARM)
3393         AC_DEFINE(TARGET_ARM, 1, [...])
3394         ;;
3395 ARM64)
3396         AC_DEFINE(TARGET_ARM64, 1, [...])
3397         ;;
3398 POWERPC)
3399         AC_DEFINE(TARGET_POWERPC, 1, [...])
3400         ;;
3401 POWERPC64)
3402         AC_DEFINE(TARGET_POWERPC, 1, [...])
3403         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3404         ;;
3405 S390X)
3406         AC_DEFINE(TARGET_S390X, 1, [...])
3407         ;;
3408 MIPS)
3409         AC_DEFINE(TARGET_MIPS, 1, [...])
3410         ;;
3411 IA64)
3412         AC_DEFINE(TARGET_IA64, 1, [...])
3413         ;;
3414 SPARC)
3415         AC_DEFINE(TARGET_SPARC, 1, [...])
3416         ;;
3417 SPARC64)
3418         AC_DEFINE(TARGET_SPARC64, 1, [...])
3419         ;;
3420 esac
3421
3422 case "$HOST" in
3423 X86)
3424         AC_DEFINE(HOST_X86, 1, [...])
3425         ;;
3426 AMD64)
3427         AC_DEFINE(HOST_AMD64, 1, [...])
3428         ;;
3429 ARM)
3430         AC_DEFINE(HOST_ARM, 1, [...])
3431         ;;
3432 ARM64)
3433         AC_DEFINE(HOST_ARM64, 1, [...])
3434         ;;
3435 POWERPC)
3436         AC_DEFINE(HOST_POWERPC, 1, [...])
3437         ;;
3438 POWERPC64)
3439         AC_DEFINE(HOST_POWERPC, 1, [...])
3440         AC_DEFINE(HOST_POWERPC64, 1, [...])
3441         ;;
3442 S390X)
3443         AC_DEFINE(HOST_S390X, 1, [...])
3444         ;;
3445 MIPS)
3446         AC_DEFINE(HOST_MIPS, 1, [...])
3447         ;;
3448 IA64)
3449         AC_DEFINE(HOST_IA64, 1, [...])
3450         ;;
3451 SPARC)
3452         AC_DEFINE(HOST_SPARC, 1, [...])
3453         ;;
3454 SPARC64)
3455         AC_DEFINE(HOST_SPARC64, 1, [...])
3456         ;;
3457 esac
3458
3459
3460
3461 dnl *************
3462 dnl *** VTUNE ***
3463 dnl *************
3464
3465 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3466 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3467
3468 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3469
3470 if test "x$enable_vtune" = "xyes"; then
3471         if test "x$with_vtune" = "x"; then
3472                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3473         else
3474                 VTUNE_PATH=$with_vtune
3475         fi
3476         VTUNE_INCLUDE=$VTUNE_PATH/include
3477         case "$TARGET" in
3478         X86)
3479                 VTUNE_LIB=$VTUNE_PATH/lib32
3480                 ;;
3481         AMD64)
3482                 VTUNE_LIB=$VTUNE_PATH/lib64
3483                 ;;
3484         *)
3485                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3486                 ;;
3487         esac
3488         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3489                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3490         fi
3491         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3492                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3493         fi
3494
3495         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3496         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3497
3498         AC_SUBST(VTUNE_LIBS)
3499         AC_SUBST(VTUNE_CFLAGS)
3500 fi
3501 dnl Use GCC atomic ops if they work on the target.
3502 if test x$GCC = "xyes"; then
3503         case $TARGET in
3504         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3505                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3506                 ;;
3507         esac
3508 fi
3509
3510 if test "x$target_mach" = "xyes"; then
3511
3512    if test "x$TARGET_SYS" = "xWATCHOS"; then
3513           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3514           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3515           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3516           BTLS_SUPPORTED=no
3517    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3518           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3519           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3520           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3521           BTLS_SUPPORTED=no
3522    else
3523        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3524        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3525        #error fail this for ios
3526        #endif
3527        return 0;
3528        ], [
3529                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3530           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3531           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3532        ], [
3533           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3534           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3535           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3536           BTLS_SUPPORTED=no
3537        ])
3538         fi
3539    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3540 fi
3541
3542 if test "x$sizeof_register" = "x4"; then
3543    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3544 elif test "x$sizeof_register" = "x8"; then
3545    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3546 else
3547    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3548 fi
3549
3550 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3551    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3552 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3553    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3554 else
3555    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3556 fi
3557
3558 if test "x$have_visibility_hidden" = "xyes"; then
3559    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3560 fi
3561
3562 if test "x$have_deprecated" = "xyes"; then
3563    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3564 fi
3565
3566 AC_ARG_WITH(interpreter, [  --with-interpreter=yes|no       Interpreter, default=no],[buildinterpreter=$with_interpreter],[buildinterpreter=no])
3567 if test "x$buildinterpreter" = "xyes"; then
3568     AC_DEFINE(ENABLE_INTERPRETER, 1, [Enable interpreter in the runtime.])
3569     AC_MSG_NOTICE([Enable interpreter in the runtime.])
3570 fi
3571
3572 AM_CONDITIONAL([ENABLE_INTERPRETER], [test x$buildinterpreter != xno])
3573
3574
3575 dnl
3576 dnl Simple Generational checks (sgen)
3577 dnl
3578 SGEN_DEFINES=
3579 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3580 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3581 if test x$buildsgen = xyes; then
3582    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3583    SGEN_DEFINES="-DHAVE_SGEN_GC"
3584
3585         conc_gc_msg=""
3586    if test x$with_sgen_default_concurrent != xno; then
3587        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3588            conc_gc_msg=" (concurrent by default)"
3589    fi
3590
3591    if test "x$gc_msg" = "x"; then
3592       gc_msg="sgen$conc_gc_msg"
3593    else
3594       gc_msg="sgen$conc_gc_msg and $gc_msg"
3595    fi
3596 fi
3597 AC_SUBST(SGEN_DEFINES)
3598 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3599
3600 jit_status="Building and using the JIT"
3601
3602 libsuffix=".so"
3603
3604 case "$host" in
3605      *-*-darwin*)
3606         libsuffix=".dylib"
3607         LIBC="libc.dylib"
3608         INTL="libintl.dylib"
3609         SQLITE="libsqlite.0.dylib"
3610         SQLITE3="libsqlite3.0.dylib"
3611         X11="libX11.dylib"
3612         GDKX11="libgdk-x11-2.0.dylib"
3613         GTKX11="libgtk-x11-2.0.dylib"
3614         ;;
3615      *-*-*netbsd*)
3616         LIBC="libc.so"
3617         INTL="libintl.so"
3618         SQLITE="libsqlite.so"
3619         SQLITE3="libsqlite3.so"
3620         ;;
3621      *-*-kfreebsd*-gnu)
3622         LIBC="libc.so.0.1"
3623         INTL="libc.so.0.1"
3624         X11="libX11.so.6"
3625         ;;
3626     *-*-*freebsd*)
3627         LIBC="libc.so.7"
3628         INTL="libintl.so"
3629         SQLITE="libsqlite.so"
3630         SQLITE3="libsqlite3.so"
3631         ;;
3632     *-*-*openbsd*)
3633         LIBC="libc.so"
3634         INTL="libintl.so"
3635         SQLITE="libsqlite.so"
3636         SQLITE3="libsqlite3.so"
3637         ;;
3638     *-*-*linux*)
3639         AC_PATH_X
3640         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3641         AC_MSG_CHECKING(for the soname of libX11.so)
3642         for i in $x_libraries $dlsearch_path; do
3643                 for r in 4 5 6; do
3644                         if test -f $i/libX11.so.$r; then
3645                                 X11=libX11.so.$r
3646                                 AC_MSG_RESULT($X11)
3647                         fi
3648                 done
3649         done
3650
3651         if test "x$X11" = "xlibX11.so"; then
3652                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3653                 X11=libX11.so.6
3654         fi
3655         ;;
3656 esac
3657
3658
3659 AC_SUBST(libsuffix)
3660
3661 AC_ARG_WITH([libgdiplus],
3662         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3663         [], [with_libgdiplus=installed])
3664
3665 # default install location
3666 libgdiplus_install_loc=libgdiplus${libsuffix}
3667 case "$host" in
3668     *-*-*linux*)
3669     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3670     ;;
3671 esac
3672
3673 case $with_libgdiplus in
3674     no|installed)
3675     libgdiplus_loc=
3676     ;;
3677
3678     yes|sibling)
3679     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3680     ;;
3681
3682     /*) # absolute path, assume it is an install location
3683     libgdiplus_loc=$with_libgdiplus
3684     libgdiplus_install_loc=$with_libgdiplus
3685     ;;
3686
3687     *)
3688     libgdiplus_loc=`pwd`/$with_libgdiplus
3689     ;;
3690 esac
3691 AC_SUBST([libgdiplus_loc])
3692 AC_SUBST([libgdiplus_install_loc])
3693
3694 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3695 if test "x$icall_symbol_map" = "xyes"; then
3696    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3697 fi
3698
3699 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3700 if test "x$icall_export" = "xyes"; then
3701    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3702 fi
3703
3704 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3705 if test "x$icall_tables" = "xno"; then
3706    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3707 fi
3708
3709 if test "x$with_tls" = "x__thread"; then
3710         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3711         # Pass the information to libgc
3712         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3713         AC_MSG_CHECKING(if the tls_model attribute is supported)
3714         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3715                 ], [
3716                         AC_MSG_RESULT(yes)
3717                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3718                 ], [
3719                         AC_MSG_RESULT(no)
3720         ])
3721 fi
3722
3723 if test ${TARGET} = ARM; then
3724         dnl ******************************************
3725         dnl *** Check to see what FPU is available ***
3726         dnl ******************************************
3727         AC_MSG_CHECKING(which FPU to use)
3728
3729         #
3730         # This is a bit tricky:
3731         #
3732         # if (__ARM_PCS_VFP) {
3733         #       /* mfloat-abi=hard == VFP with hard ABI */
3734         # } elif (!__SOFTFP__) {
3735         #       /* mfloat-abi=softfp == VFP with soft ABI */
3736         # } else {
3737         #       /* mfloat-abi=soft == no VFP */
3738         # }
3739         #
3740         # The exception is iOS (w/ GCC) where none of the above
3741         # are defined (but iOS always uses the 'softfp' ABI).
3742         #
3743         # No support for FPA.
3744         #
3745
3746         fpu=NONE
3747
3748         # iOS GCC always uses the 'softfp' ABI.
3749         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3750                 fpu=VFP
3751         fi
3752
3753         # Are we using the 'hard' ABI?
3754         if test x$fpu = xNONE; then
3755                 AC_TRY_COMPILE([], [
3756                         #ifndef __ARM_PCS_VFP
3757                         #error "Float ABI is not 'hard'"
3758                         #endif
3759                         return 0;
3760                 ], [
3761                         fpu=VFP_HARD
3762                 ], [
3763                         fpu=NONE
3764                 ])
3765         fi
3766
3767         # No 'hard' ABI. 'soft' or 'softfp'?
3768         if test x$fpu = xNONE; then
3769                 AC_TRY_COMPILE([], [
3770                         #ifdef __SOFTFP__
3771                         #error "Float ABI is not 'softfp'"
3772                         #endif
3773                         return 0;
3774                 ], [
3775                         fpu=VFP
3776                 ], [
3777                         fpu=NONE
3778                 ])
3779         fi
3780
3781         if test x$arm_fpu != x; then
3782            fpu=$arm_fpu
3783         fi
3784
3785         AC_MSG_RESULT($fpu)
3786         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3787         unset fpu
3788
3789         dnl *********************************************
3790         dnl *** Check which ARM version(s) we can use ***
3791         dnl *********************************************
3792         AC_MSG_CHECKING(which ARM version to use)
3793
3794         AC_TRY_COMPILE([], [
3795                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3796                 #error Not on ARM v5.
3797                 #endif
3798                 return 0;
3799         ], [
3800                 arm_v5=yes
3801
3802                 arm_ver=ARMv5
3803         ], [])
3804
3805         AC_TRY_COMPILE([], [
3806                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3807                 #error Not on ARM v6.
3808                 #endif
3809                 return 0;
3810         ], [
3811                 arm_v5=yes
3812                 arm_v6=yes
3813
3814                 arm_ver=ARMv6
3815         ], [])
3816
3817         AC_TRY_COMPILE([], [
3818                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3819                 #error Not on ARM v7.
3820                 #endif
3821                 return 0;
3822         ], [
3823                 arm_v5=yes
3824                 arm_v6=yes
3825                 arm_v7=yes
3826
3827                 arm_ver=ARMv7
3828         ], [])
3829
3830         AC_MSG_RESULT($arm_ver)
3831
3832         if test x$arm_v5 = xyes; then
3833                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3834                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3835         fi
3836
3837         if test x$arm_v6 = xyes; then
3838                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3839                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3840         fi
3841
3842         if test x$arm_v7 = xyes; then
3843                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3844                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3845         fi
3846 fi
3847
3848 if test ${TARGET} = unknown; then
3849         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3850         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3851 fi
3852
3853 if test "x$platform_android" = "xyes"; then
3854         case "x${TARGET}" in
3855         xARM)
3856                 case "x$arm_ver" in
3857                 xARMv5)
3858                         BTLS_SUPPORTED=yes
3859                         BTLS_PLATFORM=android-armv5
3860                         ;;
3861                 xARMv6)
3862                         BTLS_SUPPORTED=yes
3863                         BTLS_PLATFORM=android-armv6
3864                         ;;
3865                 xARMv7)
3866                         BTLS_SUPPORTED=yes
3867                         BTLS_PLATFORM=android-armv7
3868                         ;;
3869                 *)
3870                         BTLS_SUPPORTED=no
3871                         ;;
3872                 esac
3873                 ;;
3874         xARM64)
3875                 BTLS_SUPPORTED=yes
3876                 BTLS_PLATFORM=android-v8a
3877                 ;;
3878         xX86)
3879                 BTLS_SUPPORTED=yes
3880                 BTLS_PLATFORM=android-x86
3881                 ;;
3882         xAMD64)
3883                 BTLS_SUPPORTED=yes
3884                 BTLS_PLATFORM=android-x64
3885                 ;;
3886         *)
3887                 BTLS_SUPPORTED=no
3888                 ;;
3889         esac
3890 fi
3891
3892 if test ${ACCESS_UNALIGNED} = no; then
3893         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3894 fi
3895
3896 if test x$host_darwin = xyes; then
3897         AC_MSG_CHECKING([for ranlib that supports -no_warning_for_no_symbols option])
3898         AS_IF(
3899                 [$RANLIB -no_warning_for_no_symbols 2>&1 | grep -q "unknown option"],
3900                 [AC_MSG_RESULT([no])],
3901                 [
3902                         # avoid AR calling ranlib, libtool calls it anyway. suppress no symbols warning.
3903                         AR_FLAGS="Scru"
3904                         RANLIB="$RANLIB -no_warning_for_no_symbols"
3905                         AC_MSG_RESULT([yes])
3906                 ]
3907         )
3908 fi
3909
3910 case "x$libgc" in
3911         xincluded)
3912                 # Pass CPPFLAGS to libgc configure
3913                 # We should use a separate variable for this to avoid passing useless and
3914                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3915                 # This should be executed late so we pick up the final version of CPPFLAGS
3916                 # The problem with this approach, is that during a reconfigure, the main
3917                 # configure scripts gets invoked with these arguments, so we use separate
3918                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3919                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3920                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3921                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3922                 fi
3923                 # Don't pass -finstrument-for-thread-suspension in,
3924                 # if these are instrumented it will be very bad news
3925                 # (infinite recursion, undefined parking behavior, etc)
3926                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3927                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3928                 if test "x$support_boehm" = "xyes"; then
3929                         AC_CONFIG_SUBDIRS(libgc)
3930                 fi
3931                 ;;
3932 esac
3933
3934 MALLOC_MEMPOOLS=no
3935 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3936         if test x$with_malloc_mempools = xyes; then
3937                 MALLOC_MEMPOOLS=yes
3938                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3939         fi
3940 ])
3941
3942
3943 DISABLE_MCS_DOCS=default
3944 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3945         if test x$with_mcs_docs != xyes; then
3946                 DISABLE_MCS_DOCS=yes
3947         fi
3948 ])
3949 if test -n "$INSTALL_4_x_TRUE"; then :
3950         DISABLE_MCS_DOCS=yes
3951 fi
3952 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3953    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3954 fi
3955
3956 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3957         if test x$with_lazy_gc_thread_creation != xno ; then
3958                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3959         fi
3960 ], [with_lazy_gc_thread_creation=no])
3961
3962 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])
3963
3964 if test x$with_cooperative_gc = xdefault; then
3965         with_cooperative_gc=$with_cooperative_gc_default
3966 fi
3967
3968 if test x$with_cooperative_gc != xno; then
3969         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3970 fi
3971
3972 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3973
3974 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],[
3975
3976         if test x$enable_checked_build != x ; then
3977                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3978         fi
3979         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3980                 eval "mono_checked_build_test_enable_$feature='yes'"
3981         done
3982
3983         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3984                 eval "mono_checked_build_test_enable_gc='yes'"
3985                 eval "mono_checked_build_test_enable_metadata='yes'"
3986                 eval "mono_checked_build_test_enable_thread='yes'"
3987         fi
3988
3989         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3990                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3991         fi
3992
3993         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3994                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3995         fi
3996
3997         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3998                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3999         fi
4000
4001 ], [])
4002
4003 AC_CHECK_HEADER([malloc.h],
4004                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
4005                         [Define to 1 if you have /usr/include/malloc.h.])],,)
4006
4007 if test x"$GCC" = xyes; then
4008         # Implicit function declarations are not 64 bit safe
4009         # Do this late, since this causes lots of configure tests to fail
4010         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
4011         # jay has a lot of implicit declarations
4012         JAY_CFLAGS="-Wno-implicit-function-declaration"
4013 fi
4014
4015 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
4016 # instead of libmono-static.a
4017 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
4018    LIBMONO_LA=libmini-static.la
4019 else
4020    if test x$buildsgen = xyes; then
4021       LIBMONO_LA=libmonosgen-$API_VER.la
4022    else
4023       LIBMONO_LA=libmonoboehm-$API_VER.la
4024    fi
4025 fi
4026 AC_SUBST(LIBMONO_LA)
4027
4028 dnl **************
4029 dnl ***  Btls  ***
4030 dnl **************
4031
4032 AC_ARG_ENABLE(btls, [  --disable-btls             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
4033 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
4034
4035 AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)
4036
4037 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
4038
4039 btls_android=no
4040 if test "x$enable_btls" = "xyes"; then
4041         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
4042         if test "x$CMAKE" = "xno"; then
4043                 AC_MSG_ERROR("cmake not found")
4044         fi
4045
4046         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
4047         AC_SUBST(BTLS_ROOT)
4048
4049         btls_arch=
4050         btls_cflags=
4051         BTLS_CMAKE_ARGS=
4052
4053         case "$BTLS_PLATFORM" in
4054         i386)
4055                 btls_arch=i386
4056                 btls_cflags="-m32"
4057                 case $host_os in
4058                         darwin*)
4059                                 btls_cflags="$btls_cflags -arch i386"
4060                 esac
4061                 ;;
4062         x86_64)
4063                 btls_arch=x86_64
4064                 ;;
4065         android-armv5)
4066                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4067                 ;;
4068         android-armv6)
4069                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
4070                 ;;
4071         android-armv7)
4072                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
4073                 ;;
4074         android-v8a)
4075                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
4076                 ;;
4077         android-x86)
4078                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
4079                 ;;
4080         android-x64)
4081                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
4082                 ;;
4083         *)
4084                 AC_MSG_ERROR(Invalid BTLS platform)
4085         esac
4086
4087         if test "x$platform_android" = "xyes"; then
4088                 btls_android=yes
4089                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
4090                 if test "x$with_btls_android_ndk" != "x"; then
4091                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
4092                 fi
4093         fi
4094
4095         if test "x$btls_arch" != "x"; then
4096                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
4097         fi
4098
4099         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4100         AC_SUBST(BTLS_ARCH)
4101         AC_SUBST(BTLS_CFLAGS)
4102         AC_SUBST(BTLS_PLATFORM)
4103         AC_SUBST(BTLS_CMAKE_ARGS)
4104
4105         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4106 else
4107         enable_btls=no
4108 fi
4109
4110 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4111
4112 if test x$DISABLE_MCS_DOCS = xyes; then
4113    docs_dir=""
4114 else
4115    docs_dir=docs
4116 fi
4117 AC_SUBST(docs_dir)
4118
4119 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4120 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4121
4122 libmono_ldflags="$libmono_ldflags $LIBS"
4123
4124 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4125 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4126 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4127 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4128 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4129 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4130 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4131 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4132 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4133 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4134 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4135 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4136 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4137 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4138 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4139 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4140 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4141 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4142
4143 AC_SUBST(LIBC)
4144 AC_SUBST(INTL)
4145 AC_SUBST(SQLITE)
4146 AC_SUBST(SQLITE3)
4147 AC_SUBST(X11)
4148 AC_SUBST(GDKX11)
4149 AC_SUBST(GTKX11)
4150 AC_SUBST(XINERAMA)
4151 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4152 AC_SUBST(arch_target)
4153 AC_SUBST(CFLAGS)
4154 AC_SUBST(CPPFLAGS)
4155 AC_SUBST(LDFLAGS)
4156
4157 #This must always be defined when building the runtime
4158 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4159
4160 mono_build_root=`pwd`
4161 AC_SUBST(mono_build_root)
4162
4163 mono_runtime=mono/mini/mono
4164 AC_SUBST(mono_runtime)
4165
4166 CSC_LOCATION=`cd $srcdir && pwd`/external/roslyn-binaries/Microsoft.Net.Compilers/Microsoft.Net.Compilers.2.0.0/tools/csc.exe
4167
4168 if test $csc_compiler = mcs; then
4169   CSC=$mcs_topdir/class/lib/build/mcs.exe
4170 else
4171   CSC=$CSC_LOCATION
4172 fi
4173
4174 mono_cfg_root=$mono_build_root/runtime
4175 if test x$host_win32 = xyes; then
4176   if test "x$cross_compiling" = "xno"; then
4177     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4178     CSC=`cygpath -m -a $CSC`
4179     CSC_LOCATION=`cygpath -m -a $CSC_LOCATION`
4180   else
4181     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4182   fi
4183 else
4184   mono_cfg_dir=$mono_cfg_root/etc
4185 fi
4186 AC_SUBST(mono_cfg_dir)
4187
4188 AC_SUBST(CSC)
4189
4190 AC_CONFIG_FILES([po/mcs/Makefile.in])
4191
4192 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4193 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4194
4195 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4196 [   depth=../../../..
4197     case $srcdir in
4198     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4199     .) reldir=$depth ;;
4200     *) reldir=$depth/$srcdir ;;
4201     esac
4202     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4203     cd runtime/etc/mono/1.0
4204     rm -f machine.config
4205     $LN_S $reldir/data/net_1_1/machine.config machine.config
4206     cd $depth
4207 ],[LN_S='$LN_S'])
4208
4209 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4210 [   depth=../../../..
4211     case $srcdir in
4212     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4213     .) reldir=$depth ;;
4214     *) reldir=$depth/$srcdir ;;
4215     esac
4216     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4217     cd runtime/etc/mono/2.0
4218     rm -f machine.config
4219     $LN_S $reldir/data/net_2_0/machine.config machine.config
4220     cd $depth
4221 ],[LN_S='$LN_S'])
4222
4223 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4224 [   depth=../../../..
4225     case $srcdir in
4226     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4227     .) reldir=$depth ;;
4228     *) reldir=$depth/$srcdir ;;
4229     esac
4230     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4231     cd runtime/etc/mono/2.0
4232     rm -f web.config
4233     $LN_S $reldir/data/net_2_0/web.config web.config
4234     cd $depth
4235 ],[LN_S='$LN_S'])
4236
4237 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4238 [   depth=../../..
4239     case $srcdir in
4240     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4241     .) reldir=$depth ;;
4242     *) reldir=$depth/$srcdir ;;
4243     esac
4244     $ac_aux_dir/install-sh -d runtime/etc/mono/
4245     cd runtime/etc/mono/
4246     rm -f browscap.ini
4247     $LN_S $reldir/data/browscap.ini browscap.ini
4248     cd $depth
4249 ],[LN_S='$LN_S'])
4250
4251 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4252 [   depth=../../../../..
4253     case $srcdir in
4254     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4255     .) reldir=$depth ;;
4256     *) reldir=$depth/$srcdir ;;
4257     esac
4258     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4259     cd runtime/etc/mono/2.0/Browsers
4260     rm -f Compat.browser
4261     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4262     cd $depth
4263 ],[LN_S='$LN_S'])
4264
4265 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4266 [   depth=../../../../..
4267     case $srcdir in
4268     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4269     .) reldir=$depth ;;
4270     *) reldir=$depth/$srcdir ;;
4271     esac
4272     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4273     cd runtime/etc/mono/4.0/Browsers
4274     rm -f Compat.browser
4275     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4276     cd $depth
4277 ],[LN_S='$LN_S'])
4278
4279 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4280 [   depth=../../../../..
4281     case $srcdir in
4282     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4283     .) reldir=$depth ;;
4284     *) reldir=$depth/$srcdir ;;
4285     esac
4286     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4287     cd runtime/etc/mono/4.5/Browsers
4288     rm -f Compat.browser
4289     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4290     cd $depth
4291 ],[LN_S='$LN_S'])
4292
4293 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4294 [   depth=../../../..
4295     case $srcdir in
4296     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4297     .) reldir=$depth ;;
4298     *) reldir=$depth/$srcdir ;;
4299     esac
4300     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4301     cd runtime/etc/mono/4.0
4302     rm -f machine.config
4303     $LN_S $reldir/data/net_4_0/machine.config machine.config
4304     cd $depth
4305 ],[LN_S='$LN_S'])
4306
4307 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4308 [   depth=../../../..
4309     case $srcdir in
4310     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4311     .) reldir=$depth ;;
4312     *) reldir=$depth/$srcdir ;;
4313     esac
4314     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4315     cd runtime/etc/mono/4.0
4316     rm -f web.config
4317     $LN_S $reldir/data/net_4_0/web.config web.config
4318     cd $depth
4319 ],[LN_S='$LN_S'])
4320
4321 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4322 [   depth=../../../..
4323     case $srcdir in
4324     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4325     .) reldir=$depth ;;
4326     *) reldir=$depth/$srcdir ;;
4327     esac
4328     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4329     cd runtime/etc/mono/4.5
4330     rm -f machine.config
4331     $LN_S $reldir/data/net_4_5/machine.config machine.config
4332     cd $depth
4333 ],[LN_S='$LN_S'])
4334
4335 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4336 [   depth=../../../..
4337     case $srcdir in
4338     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4339     .) reldir=$depth ;;
4340     *) reldir=$depth/$srcdir ;;
4341     esac
4342     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4343     cd runtime/etc/mono/4.5
4344     rm -f web.config
4345     $LN_S $reldir/data/net_4_5/web.config web.config
4346     cd $depth
4347 ],[LN_S='$LN_S'])
4348
4349 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])
4350 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])
4351
4352 AC_OUTPUT([
4353 Makefile
4354 mono-uninstalled.pc
4355 acceptance-tests/Makefile
4356 llvm/Makefile
4357 scripts/mono-find-provides
4358 scripts/mono-find-requires
4359 mono/Makefile
4360 mono/btls/Makefile
4361 mono/utils/Makefile
4362 mono/metadata/Makefile
4363 mono/dis/Makefile
4364 mono/cil/Makefile
4365 mono/arch/Makefile
4366 mono/arch/x86/Makefile
4367 mono/arch/amd64/Makefile
4368 mono/arch/ppc/Makefile
4369 mono/arch/sparc/Makefile
4370 mono/arch/s390x/Makefile
4371 mono/arch/arm/Makefile
4372 mono/arch/arm64/Makefile
4373 mono/arch/ia64/Makefile
4374 mono/arch/mips/Makefile
4375 mono/sgen/Makefile
4376 mono/tests/Makefile
4377 mono/tests/tests-config
4378 mono/tests/assemblyresolve/Makefile
4379 mono/tests/gc-descriptors/Makefile
4380 mono/unit-tests/Makefile
4381 mono/benchmark/Makefile
4382 mono/mini/Makefile
4383 mono/profiler/Makefile
4384 m4/Makefile
4385 ikvm-native/Makefile
4386 scripts/Makefile
4387 man/Makefile
4388 docs/Makefile
4389 data/Makefile
4390 data/net_2_0/Makefile
4391 data/net_4_0/Makefile
4392 data/net_4_5/Makefile
4393 data/net_2_0/Browsers/Makefile
4394 data/net_4_0/Browsers/Makefile
4395 data/net_4_5/Browsers/Makefile
4396 data/mint.pc
4397 data/mono-2.pc
4398 data/monosgen-2.pc
4399 data/mono.pc
4400 data/mono-cairo.pc
4401 data/mono-nunit.pc
4402 data/mono-options.pc
4403 data/mono-lineeditor.pc
4404 data/monodoc.pc
4405 data/dotnet.pc
4406 data/dotnet35.pc
4407 data/wcf.pc
4408 data/cecil.pc
4409 data/system.web.extensions_1.0.pc
4410 data/system.web.extensions.design_1.0.pc
4411 data/system.web.mvc.pc
4412 data/system.web.mvc2.pc
4413 data/system.web.mvc3.pc
4414 data/aspnetwebstack.pc
4415 data/reactive.pc
4416 samples/Makefile
4417 support/Makefile
4418 data/config
4419 tools/Makefile
4420 tools/locale-builder/Makefile
4421 tools/sgen/Makefile
4422 tools/monograph/Makefile
4423 tools/pedump/Makefile
4424 runtime/Makefile
4425 msvc/Makefile
4426 po/Makefile
4427 ])
4428
4429 # Update all submodules recursively to ensure everything is checked out
4430 $srcdir/scripts/update_submodules
4431
4432 if test x$host_win32 = xyes; then
4433    # Get rid of 'cyg' prefixes in library names
4434    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4435    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4436    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4437    # executable doesn't work...
4438    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4439 fi
4440
4441 if test x$host_darwin = xyes; then
4442    # This doesn't seem to be required and it slows down parallel builds
4443    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4444 fi
4445
4446 (
4447   case $prefix in
4448   NONE) prefix=$ac_default_prefix ;;
4449   esac
4450   case $exec_prefix in
4451   NONE) exec_prefix='${prefix}' ;;
4452   esac
4453
4454   #
4455   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4456   # any existing config.make.  This allows people to share the same source tree
4457   # with different build directories, one native and one cross
4458   #
4459   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4460
4461     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4462
4463     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4464     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4465     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4466     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4467     echo "mono_build_root=$mono_build_root" >> $mcs_topdir/build/config.make
4468     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4469     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4470     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4471     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4472
4473     case $INSTALL in
4474     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4475     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4476     esac
4477
4478     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4479
4480     export VERSION
4481     [myver=$($AWK 'BEGIN {
4482       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4483       if(length(vsplit [1]) > 4) {
4484         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4485       }
4486       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4487     }')]
4488
4489     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4490
4491     if test x$host_darwin = xyes; then
4492       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4493     fi
4494
4495     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4496       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4497     fi
4498
4499         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4500            enable_system_aot=yes
4501         fi
4502
4503     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4504       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4505     fi
4506
4507     if test x$DISABLE_MCS_DOCS = xyes; then
4508       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4509     fi
4510
4511     if test x$has_extension_module != xno; then
4512         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4513     fi
4514
4515     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4516
4517     if test "x$test_bcl_opt" = "xyes"; then
4518       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4519     fi
4520
4521     echo "CSC_LOCATION = $CSC_LOCATION" >> $srcdir/$mcsdir/build/config.make
4522
4523     if test $csc_compiler = mcs; then
4524       echo "MCS_MODE = 1" >> $srcdir/$mcsdir/build/config.make
4525     fi
4526
4527     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4528       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4529       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4530     fi
4531
4532     if test "x$enable_btls" = "xyes"; then
4533       echo "HAVE_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4534       if test "x$enable_dynamic_btls" = "xyes"; then
4535         echo "HAVE_DYNAMIC_BTLS=1" >> $srcdir/$mcsdir/build/config.make
4536       fi
4537     fi
4538
4539   fi
4540
4541 )
4542
4543 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4544
4545 btls_platform_string=
4546 if test x$enable_btls = xyes; then
4547         if test x$btls_android = xyes; then
4548                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4549         else
4550                 btls_platform_string=" ($BTLS_PLATFORM)"
4551         fi
4552 fi
4553
4554 echo "
4555         mcs source:    $mcsdir
4556         C# Compiler:   $csc_compiler
4557
4558    Engine:
4559         Host:          $host
4560         Target:        $target
4561         GC:            $gc_msg
4562         TLS:           $with_tls
4563         SIGALTSTACK:   $with_sigaltstack
4564         Engine:        $jit_status
4565         BigArrays:     $enable_big_arrays
4566         DTrace:        $enable_dtrace
4567         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4568         Interpreter:   $buildinterpreter
4569
4570    Libraries:
4571         .NET 4.x:        $with_profile4_x
4572         Xamarin.Android: $with_monodroid
4573         Xamarin.iOS:     $with_monotouch
4574         Xamarin.WatchOS: $with_monotouch_watch
4575         Xamarin.TVOS:    $with_monotouch_tv
4576         Xamarin.Mac:     $with_xammac
4577         Windows AOT:     $with_winaot
4578         Test profiles:   AOT Full ($with_testing_aot_full), AOT Hybrid ($with_testing_aot_hybrid)
4579         JNI support:     $jdk_headers_found
4580         libgdiplus:      $libgdiplus_msg
4581         zlib:            $zlib_msg
4582         BTLS:            $enable_btls$btls_platform_string
4583         $disabled
4584 "
4585 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4586    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4587 fi