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, [4.5.2],
   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=$CFLAGS
  55
  56 # libgc uses some deprecated APIs
  57 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  58
  59 #
  60 # These are the flags that need to be stored in the mono.pc file for
  61 # compiling code that will embed Mono
  62 #
  63 libmono_cflags=""
  64 libmono_ldflags=""
  65 AC_SUBST(libmono_cflags)
  66 AC_SUBST(libmono_ldflags)
  67
  68 # Variable to have relocatable .pc files (lib, or lib64)
  69 reloc_libdir=`basename ${libdir}`
  70 AC_SUBST(reloc_libdir)
  71
  72 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  73 need_link_unlink=no
  74
  75 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  76 extra_runtime_ldflags=""
  77
  78 # Thread configuration inspired by sleepycat's db
  79 AC_MSG_CHECKING([host platform characteristics])
  80 libgc_threads=no
  81 has_dtrace=no
  82 parallel_mark=yes
  83 ikvm_native=yes
  84
  85 host_win32=no
  86 target_win32=no
  87 platform_android=no
  88 host_darwin=no
  89 case "$host" in
  90         *-mingw*|*-*-cygwin*)
  91                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  92                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  93                 host_win32=yes
  94                 mono_cv_clang=no
  95                 if test "x$cross_compiling" = "xno"; then
  96                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
  97                                 target_win32=yes
  98                         fi
  99                 else
 100                         if test "x$host" = "x$target"; then
 101                                 target_win32=yes
 102                         fi
 103                 fi
 104                 HOST_CC="gcc"
 105                 # Windows Vista or later is required
 106                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 107                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 108                 libmono_cflags="-mms-bitfields -mwindows"
 109                 libmono_ldflags="-mms-bitfields -mwindows"
 110                 libdl=
 111                 libgc_threads=win32
 112                 with_sigaltstack=no
 113                 with_tls=pthread
 114                 LN_S=cp
 115                 # This forces libgc to use the DllMain based thread registration code on win32
 116                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 117                 ;;
 118         *-*-*netbsd*)
 119                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 120                 libmono_cflags="-D_REENTRANT"
 121                 LDFLAGS="$LDFLAGS -pthread"
 122                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 123                 libmono_ldflags="-pthread"
 124                 need_link_unlink=yes
 125                 libdl="-ldl"
 126                 libgc_threads=pthreads
 127                 with_sigaltstack=no
 128                 use_sigposix=yes
 129                 ;;
 130         *-*-kfreebsd*-gnu)
 131                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 132                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 133                 libmono_ldflags="-lpthread -pthread"
 134                 libdl="-ldl"
 135                 libgc_threads=pthreads
 136                 need_link_unlink=yes
 137                 with_sigaltstack=no
 138                 use_sigposix=yes
 139                 ;;
 140         *-*-*freebsd*)
 141                 if test "x$PTHREAD_CFLAGS" = "x"; then
 142                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 143                         libmono_cflags=
 144                 else
 145                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 146                         libmono_cflags="$PTHREAD_CFLAGS"
 147                 fi
 148                 if test "x$PTHREAD_LIBS" = "x"; then
 149                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 150                         libmono_ldflags="-pthread"
 151                 else
 152                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 153                         libmono_ldflags="$PTHREAD_LIBS"
 154                 fi
 155                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 156                 need_link_unlink=yes
 157                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 158                 libdl=
 159                 libgc_threads=pthreads
 160                 use_sigposix=yes
 161                 has_dtrace=yes
 162                 ;;
 163         *-*-*openbsd*)
 164                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 165                 if test "x$disable_munmap" != "xyes"; then
 166                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 167                 fi
 168                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 169                 LDFLAGS="$LDFLAGS -pthread"
 170                 need_link_unlink=yes
 171                 AC_DEFINE(PTHREAD_POINTER_ID)
 172                 libdl=
 173                 libgc_threads=pthreads
 174                 with_sigaltstack=no
 175                 use_sigposix=yes
 176                 ;;
 177         *-*-linux-android*)
 178                 platform_android=yes
 179                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 180                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 181
 182                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 183                 if test "x$disable_munmap" != "xyes"; then
 184                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 185                 fi
 186                 libmono_cflags="-D_REENTRANT"
 187                 libdl="-ldl"
 188                 libgc_threads=pthreads
 189                 use_sigposix=yes
 190
 191                 with_tls=pthread
 192                 with_sigaltstack=no
 193                 with_static_mono=no
 194
 195                 # Android doesn't support boehm, as it's missing <link.h>
 196                 support_boehm=no
 197                 with_gc=sgen
 198
 199                 # isinf(3) requires -lm; see isinf check below
 200                 LDFLAGS="$LDFLAGS -lm"
 201
 202                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 203                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 204                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 205                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 206                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 207
 208                 # The configure check can't detect this
 209                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 210
 211                 # to bypass the underscore linker check, can't work when cross-compiling
 212                 mono_cv_uscore=yes
 213                 mono_cv_clang=no
 214                 ;;
 215         *-*-linux*)
 216                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 217                 if test "x$disable_munmap" != "xyes"; then
 218                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 219                 fi
 220                 libmono_cflags="-D_REENTRANT"
 221                 libdl="-ldl"
 222                 libgc_threads=pthreads
 223                 use_sigposix=yes
 224                 if test "x$cross_compiling" != "xno"; then
 225                         # to bypass the underscore linker check, not
 226                         # available during cross-compilation
 227                         mono_cv_uscore=no
 228                 fi
 229                 case "$host" in
 230                 aarch64-*)
 231                         support_boehm=no
 232                         with_gc=sgen
 233                         ;;
 234                 powerpc*-*-linux*)
 235                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 236                         disable_munmap=yes
 237                         ;;
 238                 esac
 239                 ;;
 240         *-*-nacl*)
 241                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 242                 if test "x$disable_munmap" != "xyes"; then
 243                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 244                 fi
 245                 libmono_cflags="-D_REENTRANT"
 246                 libdl=
 247                 libgc_threads=pthreads
 248                 use_sigposix=yes
 249                 ikvm_native=no
 250                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 251                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 252                 ;;
 253         *-*-hpux*)
 254                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 255                 # +ESdbgasm only valid on bundled cc on RISC
 256                 # silently ignored for ia64
 257                 if test $GCC != "yes"; then
 258                         CFLAGS="$CFLAGS +ESdbgasm"
 259                         # Arrange for run-time dereferencing of null
 260                         # pointers to produce a SIGSEGV signal.
 261                         LDFLAGS="$LDFLAGS -z"
 262                 fi
 263                 CFLAGS="$CFLAGS +ESdbgasm"
 264                 LDFLAGS="$LDFLAGS -z"
 265                 libmono_cflags="-D_REENTRANT"
 266                 libmono_ldflags="-lpthread"
 267                 libgc_threads=pthreads
 268                 need_link_unlink=yes
 269                 use_sigposix=yes
 270                 ;;
 271         *-*-solaris*)
 272                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 273                 need_link_unlink=yes
 274                 libmono_cflags="-D_REENTRANT"
 275                 libgc_threads=pthreads
 276                 has_dtrace=yes
 277                 use_sigposix=yes
 278                 enable_solaris_tar_check=yes
 279                 ;;
 280         *-*-darwin*)
 281                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 282                 host_darwin=yes
 283                 target_mach=yes
 284                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 285                 libmono_cflags="-D_THREAD_SAFE"
 286                 need_link_unlink=yes
 287                 AC_DEFINE(PTHREAD_POINTER_ID)
 288                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 289                 libdl=
 290                 libgc_threads=pthreads
 291                 has_dtrace=yes
 292                 if test "x$cross_compiling" = "xyes"; then
 293                         has_broken_apple_cpp=yes
 294                 fi
 295                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 296                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 297                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 298                 case "$host" in
 299                         dnl Snow Leopard and newer config.guess reports as this
 300                         i*86-*-darwin*)
 301                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 302                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 303                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 304                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 305                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 306                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 307                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 308                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 309                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 310                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 311                                 ;;
 312                         x*64-*-darwin*)
 313                                 ;;
 314                         arm*-darwin*)
 315                                 has_dtrace=no
 316                                 ;;
 317                 esac
 318                 ;;
 319         *-*-haiku*)
 320                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 321                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 322                 libdl=
 323                 LIBS="$LIBS -lnetwork"
 324                 need_link_unlink=yes
 325                 AC_DEFINE(PTHREAD_POINTER_ID)
 326                 libgc_threads=pthreads
 327                 use_sigposix=yes
 328                 ;;
 329         *)
 330                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 331                 libdl="-ldl"
 332                 ;;
 333 esac
 334 AC_MSG_RESULT(ok)
 335
 336 if test x$need_link_unlink = xyes; then
 337    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 338 fi
 339
 340 if test x$host_win32 = xyes; then
 341    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 342 fi
 343
 344 if test x$target_win32 = xyes; then
 345    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 346 fi
 347
 348 AC_SUBST(extra_runtime_ldflags)
 349 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 350 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 351 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 352 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 353 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 354 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 355
 356 AC_CHECK_TOOL(CC, gcc, gcc)
 357 AC_PROG_CC
 358 AC_CHECK_TOOL(CXX, g++, g++)
 359 AC_PROG_CXX
 360 AM_PROG_AS
 361 AC_PROG_INSTALL
 362 AC_PROG_AWK
 363 AM_PROG_CC_C_O
 364 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 365 : ${CCAS='$(CC)'}
 366 # Set ASFLAGS if not already set.
 367 : ${CCASFLAGS='$(CFLAGS)'}
 368 AC_SUBST(CCAS)
 369 AC_SUBST(CCASFLAGS)
 370
 371 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 372 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 373 if test "x$CXX" = "xg++"; then
 374         if test "x$GXX" != "xyes"; then
 375                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 376                 # are inside automake conditionals
 377                 AC_MSG_ERROR([You need to install g++])
 378         fi
 379 fi
 380
 381 dnl may require a specific autoconf version
 382 dnl AC_PROG_CC_FOR_BUILD
 383 dnl CC_FOR_BUILD not automatically detected
 384 CC_FOR_BUILD=$CC
 385 CFLAGS_FOR_BUILD=$CFLAGS
 386 BUILD_EXEEXT=
 387 if test "x$cross_compiling" = "xyes"; then
 388         CC_FOR_BUILD=cc
 389         CFLAGS_FOR_BUILD=
 390         BUILD_EXEEXT=""
 391 fi
 392 AC_SUBST(CC_FOR_BUILD)
 393 AC_SUBST(CFLAGS_FOR_BUILD)
 394 AC_SUBST(HOST_CC)
 395 AC_SUBST(BUILD_EXEEXT)
 396
 397 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 398 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 399
 400 # Set STDC_HEADERS
 401 AC_HEADER_STDC
 402 AC_LIBTOOL_WIN32_DLL
 403 # This causes monodis to not link correctly
 404 #AC_DISABLE_FAST_INSTALL
 405 AM_PROG_LIBTOOL
 406 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 407 DOLT
 408
 409 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 410 AC_SUBST(export_ldflags)
 411
 412 # Test whenever ld supports -version-script
 413 AC_PROG_LD
 414 AC_PROG_LD_GNU
 415
 416 AM_ICONV()
 417
 418 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)
 419 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)
 420 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 421                   [], [], [#include <stddef.h>
 422                   #include <sys/socket.h>
 423                   #include <linux/socket.h>])
 424
 425 AC_CHECK_HEADERS(sys/user.h, [], [],
 426 [
 427 #ifdef HAVE_SYS_PARAM_H
 428 # include <sys/param.h>
 429 #endif
 430 ])
 431
 432 AC_CHECK_HEADERS(linux/serial.h)
 433
 434 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 435 if test x$have_zlib = xyes; then
 436    AC_TRY_COMPILE([#include <zlib.h>], [
 437    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 438    return 0;
 439    #else
 440    #error No good zlib found
 441    #endif
 442    ],[
 443         AC_MSG_RESULT(Using system zlib)
 444         zlib_msg="system zlib"
 445         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 446    ],[
 447         AC_MSG_RESULT(Using embedded zlib)
 448         have_zlib=no
 449         zlib_msg="bundled zlib"
 450    ])
 451 fi
 452
 453 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 454 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 455
 456 # for mono/metadata/debug-symfile.c
 457 AC_CHECK_HEADERS(elf.h)
 458
 459 # for support
 460 AC_CHECK_HEADERS(poll.h)
 461 AC_CHECK_HEADERS(sys/poll.h)
 462 AC_CHECK_HEADERS(sys/wait.h)
 463 AC_CHECK_HEADERS(grp.h)
 464 AC_CHECK_HEADERS(syslog.h)
 465
 466 # for mono/dis
 467 AC_CHECK_HEADERS(wchar.h)
 468 AC_CHECK_HEADERS(ieeefp.h)
 469 AC_MSG_CHECKING(for isinf)
 470 AC_TRY_LINK([#include <math.h>], [
 471         int f = isinf (1.0);
 472 ], [
 473         AC_MSG_RESULT(yes)
 474         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 475 ], [
 476         # We'll have to use signals
 477         AC_MSG_RESULT(no)
 478 ])
 479 # mingw
 480 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 481         AC_TRY_LINK([#include <math.h>],
 482         [ _finite(0.0); ],
 483         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 484         AC_MSG_RESULT(no)))
 485
 486 # for Linux statfs support
 487 AC_CHECK_HEADERS(linux/magic.h)
 488
 489 # not 64 bit clean in cross-compile
 490 AC_CHECK_SIZEOF(void *, 4)
 491
 492 AC_CACHE_CHECK([for clang],
 493         mono_cv_clang,[
 494         AC_TRY_COMPILE([], [
 495                 #ifdef __clang__
 496                 #else
 497                 #error "FAILED"
 498                 #endif
 499                 return 0;
 500         ],
 501         [mono_cv_clang=yes],
 502         [mono_cv_clang=no],
 503         [])
 504 ])
 505
 506 AC_ARG_ENABLE(visibility-hidden,
 507 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 508    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 509
 510 WARN=''
 511 if test x"$GCC" = xyes; then
 512         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 513
 514                 # We require C99 with some GNU extensions, e.g. `linux` macro
 515                 CFLAGS="$CFLAGS -std=gnu99"
 516
 517                 # The runtime code does not respect ANSI C strict aliasing rules
 518                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 519
 520                 # We rely on signed overflow to behave
 521                 CFLAGS="$CFLAGS -fwrapv"
 522
 523                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 524                 if test x"$disable_visibility_hidden" = xno; then
 525                    # Don't export any symbols by default
 526                    SHARED_CFLAGS="-fvisibility=hidden"
 527                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 528                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 529                 fi
 530
 531                 ORIG_CFLAGS=$CFLAGS
 532                 # Check for the normal version, since gcc ignores unknown -Wno options
 533                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 534                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 535                 AC_TRY_COMPILE([],[
 536                                 return 0;
 537                 ], [
 538                    AC_MSG_RESULT(yes)
 539                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 540                 ], [
 541                    AC_MSG_RESULT(no)
 542                    CFLAGS=$ORIG_CFLAGS
 543                 ])
 544
 545                 if test "x$mono_cv_clang" = "xyes"; then
 546                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 547                    WARN="$WARN -Qunused-arguments"
 548                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 549                 fi
 550 else
 551         # The Sun Forte compiler complains about inline functions that access static variables
 552         # so disable all inlining.
 553         case "$host" in
 554         *-*-solaris*)
 555                 CFLAGS="$CFLAGS -Dinline="
 556                 ;;
 557         esac
 558 fi
 559 CFLAGS="$CFLAGS -g $WARN"
 560 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 561 CPPFLAGS="$CPPFLAGS -g $WARN"
 562
 563 # Where's the 'mcs' source tree?
 564 if test -d $srcdir/mcs; then
 565   mcsdir=mcs
 566 else
 567   mcsdir=../mcs
 568 fi
 569
 570 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 571         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 572                 mcsdir=$with_mcs_path
 573         fi
 574 )
 575
 576 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 577
 578 #
 579 # A sanity check to catch cases where the package was unpacked
 580 # with an ancient tar program (Solaris)
 581 #
 582 AC_ARG_ENABLE(solaris-tar-check,
 583 [  --disable-solaris-tar-check    disable solaris tar check],
 584    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 585
 586 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 587         AC_MSG_CHECKING(integrity of package)
 588         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 589         then
 590                 AC_MSG_RESULT(ok)
 591         else
 592                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 593                 AC_MSG_ERROR([$errorm])
 594         fi
 595 fi
 596
 597 if test "x$with_mcs_path" != "x"; then
 598 mcs_topdir=$(cd "$mcsdir" && pwd)
 599 mcs_topdir_from_srcdir=$mcs_topdir
 600 else
 601 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 602 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 603 fi
 604
 605 # Convert mcs_topdir* paths to Windows syntax.
 606 if test x$cross_compiling$host_win32 = xnoyes; then
 607   mcs_topdir=$(cygpath -m $mcs_topdir)
 608   case $mcs_topdir_from_srcdir in
 609     /cygdrive/*)
 610         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 611         ;;
 612   esac
 613 fi
 614
 615 AC_SUBST([mcs_topdir])
 616 AC_SUBST([mcs_topdir_from_srcdir])
 617
 618 # gettext: prepare the translation directories.
 619 # we do not configure the full gettext, as we consume it dynamically from C#
 620 AM_PO_SUBDIRS
 621
 622 if test "x$USE_NLS" = "xyes"; then
 623    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 624
 625    if test "x$HAVE_MSGFMT" = "xno"; then
 626           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 627    fi
 628 fi
 629
 630 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 631
 632 pkg_config_path=
 633 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 634         if test x$with_crosspkgdir = "x"; then
 635                 if test -s $PKG_CONFIG_PATH; then
 636                         pkg_config_path=$PKG_CONFIG_PATH
 637                 fi
 638         else
 639                 pkg_config_path=$with_crosspkgdir
 640                 PKG_CONFIG_PATH=$pkg_config_path
 641                 export PKG_CONFIG_PATH
 642         fi
 643 )
 644
 645 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 646 if test x$werror_flag = xyes; then
 647         WERROR_CFLAGS="-Werror"
 648 fi
 649 AC_SUBST([WERROR_CFLAGS])
 650 AC_SUBST([SHARED_CFLAGS])
 651
 652 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 653 AC_CONFIG_SUBDIRS(eglib)
 654
 655 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 656 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 657
 658 AC_SUBST(GLIB_CFLAGS)
 659 AC_SUBST(GLIB_LIBS)
 660
 661 # Enable support for fast thread-local storage
 662 # Some systems have broken support, so we allow to disable it.
 663 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 664
 665 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 666 # This does not work on some platforms (bug #55253)
 667 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 668
 669 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 670 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 671 # Same as --with-shared_mono=no
 672 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 673
 674 if test "x$enable_static" = "xno"; then
 675    with_static_mono=no
 676 fi
 677
 678 if test "x$enable_shared" = "xno"; then
 679    with_shared_mono=no
 680 fi
 681
 682 if test "x$enable_libraries" = "xno"; then
 683    with_shared_mono=no
 684 fi
 685
 686 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 687
 688 case $host in
 689 *nacl* ) with_shared_mono=yes;;
 690 esac
 691
 692 if test "x$host_win32" = "xyes"; then
 693    # Boehm GC requires the runtime to be in its own dll
 694    with_static_mono=no
 695 fi
 696
 697 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 698 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 699 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 700
 701 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 702 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 703         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 704         ORIG_CFLAGS=$CFLAGS
 705         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 706         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 707         AC_TRY_COMPILE([], [
 708                 return 0;
 709         ], [
 710            AC_MSG_RESULT(yes)
 711            # Pass it to libgc as well
 712            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 713         ], [
 714            AC_MSG_RESULT(no)
 715            CFLAGS=$ORIG_CFLAGS
 716         ])
 717 fi
 718
 719 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 720
 721 if test x$enable_small_config = xyes; then
 722         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 723         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 724 fi
 725
 726 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=$enableval, enable_system_aot=default)
 727
 728 DISABLED_FEATURES=none
 729
 730 #
 731 # Set the build profiles and options before things which use them
 732 #
 733
 734 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 735 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 736 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 737 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 738 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 739 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 740 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 741 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 742
 743 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 744
 745 dnl
 746 dnl Profile defaults
 747 dnl
 748 TEST_PROFILE=default
 749
 750 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 751    DISABLE_MCS_DOCS_default=yes
 752    with_profile4_x_default=no
 753    with_monodroid_default=no
 754    with_monotouch_default=no
 755    with_monotouch_watch_default=no
 756    with_monotouch_tv_default=no
 757    with_xammac_default=no
 758    with_mobile_static_default=no
 759    with_bitcode_default=no
 760    with_cooperative_gc_default=no
 761 elif test x$with_runtime_preset = xnet_4_x; then
 762    with_cooperative_gc_default=no
 763    with_profile4_x_default=yes
 764    with_monodroid_default=yes
 765    with_monotouch_default=yes
 766    with_monotouch_watch_default=yes
 767    with_monotouch_tv_default=yes
 768    with_xammac_default=yes
 769    with_mobile_static_default=yes
 770    with_bitcode_default=no
 771 elif test x$with_runtime_preset = xmobile_static; then
 772    DISABLE_MCS_DOCS_default=yes
 773    with_cooperative_gc_default=no
 774    with_profile4_x_default=no
 775    with_monodroid_default=no
 776    with_monotouch_default=no
 777    with_monotouch_watch_default=no
 778    with_monotouch_tv_default=no
 779    with_xammac_default=no
 780    with_mobile_static_default=yes
 781    with_bitcode_default=no
 782    with_cooperative_gc_default=no
 783    TEST_PROFILE=mobile_static
 784 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 785    DISABLE_MCS_DOCS_default=yes
 786    with_profile4_x_default=no
 787    with_monodroid_default=no
 788    with_monotouch_default=no
 789    with_monotouch_watch_default=no
 790    with_monotouch_tv_default=no
 791    with_xammac_default=no
 792    with_mobile_static_default=yes
 793    with_bitcode_default=yes
 794    with_cooperative_gc_default=yes
 795    TEST_PROFILE=mobile_static
 796 else
 797    with_profile4_x_default=yes
 798    with_monodroid_default=no
 799    with_monotouch_default=no
 800    with_monotouch_watch_default=no
 801    with_monotouch_tv_default=no
 802    with_bitcode_default=no
 803    with_xammac_default=no
 804    with_mobile_static_default=no
 805    with_cooperative_gc_default=no
 806 fi
 807
 808 AC_SUBST(TEST_PROFILE)
 809
 810 if test "x$with_profile4_x" = "xdefault"; then
 811    with_profile4_x=$with_profile4_x_default
 812 fi
 813 if test "x$with_monodroid" = "xdefault"; then
 814    with_monodroid=$with_monodroid_default
 815 fi
 816 if test "x$with_monotouch" = "xdefault"; then
 817    with_monotouch=$with_monotouch_default
 818 fi
 819 if test "x$with_monotouch_watch" = "xdefault"; then
 820    with_monotouch_watch=$with_monotouch_watch_default
 821 fi
 822 if test "x$with_monotouch_tv" = "xdefault"; then
 823    with_monotouch_tv=$with_monotouch_tv_default
 824 fi
 825 if test "x$with_bitcode" = "xdefault"; then
 826    with_bitcode=$with_bitcode_default
 827 fi
 828 if test "x$with_xammac" = "xdefault"; then
 829    with_xammac=$with_xammac_default
 830 fi
 831 if test "x$with_mobile_static" = "xdefault"; then
 832    with_mobile_static=$with_mobile_static_default
 833 fi
 834
 835 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 836 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 837 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 838 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 839 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 840 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 841 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 842 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 843
 844 # Make available to ./Makefile.am
 845 AC_SUBST(BITCODE)
 846
 847 default_profile=net_4_x
 848 if test -z "$INSTALL_MONODROID_TRUE"; then :
 849    default_profile=monodroid
 850 fi
 851 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 852    default_profile=monotouch
 853 fi
 854 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 855    default_profile=xammac
 856 fi
 857 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 858    default_profile=mobile_static
 859 fi
 860 if test -z "$INSTALL_4_x_TRUE"; then :
 861    default_profile=net_4_x
 862 fi
 863 DEFAULT_PROFILE=$default_profile
 864 AC_SUBST(DEFAULT_PROFILE)
 865
 866 #
 867 # End build profile configuration
 868 #
 869
 870 if test x$USE_NLS = xprofile_default; then
 871
 872 if test x$host_darwin = xyes; then
 873 # We make the default value for USE_NLS
 874 # "no" on OSX because it isn't available on most
 875 # default OSX installs. The most common configurations will
 876 # all disable it, so this saves us typing.
 877   USE_NLS=no
 878   AC_SUBST([USE_NLS])
 879   AC_MSG_RESULT([$USE_NLS])
 880 else
 881   USE_NLS=yes
 882   AC_SUBST([USE_NLS])
 883   AC_MSG_RESULT([$USE_NLS])
 884 fi
 885
 886 fi
 887
 888 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 889      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 890      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 891          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 892 [
 893         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 894                 eval "mono_feature_disable_$feature='yes'"
 895         done
 896         DISABLED_FEATURES=$enable_minimal
 897         disabled="Disabled:      $enable_minimal"
 898 ],[])
 899
 900 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 901
 902 if test "x$mono_feature_disable_aot" = "xyes"; then
 903         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 904         enable_system_aot=no
 905         AC_MSG_NOTICE([Disabled AOT compiler])
 906 fi
 907
 908 if test "x$mono_feature_disable_profiler" = "xyes"; then
 909         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 910         AC_MSG_NOTICE([Disabled support for the profiler])
 911 fi
 912 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 913
 914 if test "x$mono_feature_disable_decimal" = "xyes"; then
 915         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 916         AC_MSG_NOTICE([Disabled support for decimal])
 917 fi
 918
 919 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 920         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 921         AC_MSG_NOTICE([Disabled support for P/Invoke])
 922 fi
 923
 924 if test "x$mono_feature_disable_debug" = "xyes"; then
 925         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 926         AC_MSG_NOTICE([Disabled support for runtime debugging])
 927 fi
 928
 929 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 930         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 931         mono_feature_disable_reflection_emit_save=yes
 932         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 933 fi
 934
 935 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 936         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 937         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 938 fi
 939
 940 if test "x$mono_feature_disable_large_code" = "xyes"; then
 941         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 942         AC_MSG_NOTICE([Disabled support for large assemblies])
 943 fi
 944
 945 if test "x$mono_feature_disable_logging" = "xyes"; then
 946         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 947         AC_MSG_NOTICE([Disabled support for logging])
 948 fi
 949
 950 if test "x$mono_feature_disable_com" = "xyes"; then
 951         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 952         AC_MSG_NOTICE([Disabled COM support])
 953 fi
 954
 955 if test "x$mono_feature_disable_ssa" = "xyes"; then
 956         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 957         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 958 fi
 959
 960 if test "x$mono_feature_disable_generics" = "xyes"; then
 961         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 962         AC_MSG_NOTICE([Disabled Generics Support])
 963 fi
 964
 965 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 966         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 967         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 968 fi
 969
 970 if test "x$mono_feature_disable_portability" = "xyes"; then
 971         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 972         AC_MSG_NOTICE([Disabled IO Portability layer])
 973 fi
 974
 975 if test "x$mono_feature_disable_attach" = "xyes"; then
 976         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 977         AC_MSG_NOTICE([Disabled agent attach])
 978 fi
 979
 980 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 981         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 982         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 983 fi
 984
 985 if test "x$mono_feature_disable_verifier" = "xyes"; then
 986         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 987         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 988 fi
 989
 990 if test "x$mono_feature_disable_jit" = "xyes"; then
 991         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 992         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 993 fi
 994
 995 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 996
 997 if test "x$mono_feature_disable_simd" = "xyes"; then
 998         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 999         AC_MSG_NOTICE([Disabled SIMD support])
1000 fi
1001
1002 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1003         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1004         AC_MSG_NOTICE([Disabled Soft Debugger.])
1005 fi
1006
1007 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1008         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1009         AC_MSG_NOTICE([Disabled Performance Counters.])
1010 fi
1011 if test "x$mono_feature_disable_normalization" = "xyes"; then
1012         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1013         AC_MSG_NOTICE([Disabled String normalization support.])
1014 fi
1015
1016 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1017         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1018         AC_MSG_NOTICE([Disabled Assembly remapping.])
1019 fi
1020
1021 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1022         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1023         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1024 fi
1025
1026 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1027         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1028         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1029 fi
1030
1031 if test "x$mono_feature_disable_remoting" = "xyes"; then
1032         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1033         AC_MSG_NOTICE([Disabled remoting])
1034 fi
1035
1036 if test "x$mono_feature_disable_security" = "xyes"; then
1037         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1038         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1039 fi
1040
1041 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1042         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1043         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1044 fi
1045
1046 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1047         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1048         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1049 fi
1050
1051 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1052         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1053         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1054 fi
1055
1056 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1057         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1058         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1059 fi
1060
1061 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1062         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1063         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1064 fi
1065
1066 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1067 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1068
1069 has_extension_module=no
1070 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1071 [
1072         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1073                 if test x$extension = xdefault ; then
1074                         has_extension_module=yes;
1075                 fi
1076         done
1077         if test x$enable_extension_module = xyes; then
1078                 has_extension_module=yes;
1079         fi
1080 ], [])
1081
1082 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1083
1084 if test x$has_extension_module != xno ; then
1085         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1086         AC_MSG_NOTICE([Enabling mono extension module.])
1087 fi
1088
1089 # Deprecated
1090 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1091
1092 AC_MSG_CHECKING(for visibility __attribute__)
1093 AC_COMPILE_IFELSE([
1094         AC_LANG_SOURCE([[
1095                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1096                 int main () { doit (); return 0; }
1097         ]])
1098 ], [
1099    have_visibility_hidden=yes
1100    AC_MSG_RESULT(yes)
1101 ], [
1102    have_visibility_hidden=no
1103    AC_MSG_RESULT(no)
1104 ])
1105
1106 AC_MSG_CHECKING(for deprecated __attribute__)
1107 AC_TRY_COMPILE([
1108      int doit (void) __attribute__ ((deprecated));
1109      int doit (void) { return 0; }
1110 ], [
1111         return 0;
1112 ], [
1113    have_deprecated=yes
1114    AC_MSG_RESULT(yes)
1115 ], [
1116    have_deprecated=no
1117    AC_MSG_RESULT(no)
1118 ])
1119
1120 dnl
1121 dnl Boehm GC configuration
1122 dnl
1123
1124 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1125
1126 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1127 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1128
1129 if test "x$support_boehm" = "xyes"; then
1130
1131         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1132         if test x$enable_parallel_mark = xyes; then
1133                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1134         fi
1135
1136         gc_msg=""
1137         LIBGC_CPPFLAGS=
1138         LIBGC_LIBS=
1139         LIBGC_STATIC_LIBS=
1140         libgc_dir=
1141         case "x$libgc" in
1142                 xincluded)
1143                         if test "x$support_boehm" = "xyes"; then
1144                                 libgc_dir=libgc
1145                         fi
1146
1147                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1148                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1149                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1150
1151                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1152
1153                         if test x$target_win32 = xyes; then
1154                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1155                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1156                         fi
1157
1158                         gc_msg="Included Boehm GC with typed GC"
1159                         if test x$enable_parallel_mark = xyes; then
1160                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1161                                 gc_msg="$gc_msg and parallel mark"
1162                         else
1163                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1164                         fi
1165                         ;;
1166
1167                 xboehm|xbohem|xyes)
1168                         AC_MSG_WARN("External Boehm is no longer supported")
1169                         ;;
1170
1171                 xsgen)
1172                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1173                         ;;
1174
1175                 xnone)
1176                         AC_MSG_WARN("Compiling mono without GC.")
1177                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1178                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1179                         gc_msg="none"
1180                         ;;
1181                 *)
1182                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1183                         ;;
1184         esac
1185
1186         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1187         if test "x$large_heap" = "xyes"; then
1188            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1189         fi
1190
1191         AC_SUBST(LIBGC_CPPFLAGS)
1192         AC_SUBST(LIBGC_LIBS)
1193         AC_SUBST(LIBGC_STATIC_LIBS)
1194         AC_SUBST(libgc_dir)
1195         AC_SUBST(BOEHM_DEFINES)
1196
1197 fi
1198
1199 dnl
1200 dnl End of Boehm GC Configuration
1201 dnl
1202
1203 dnl *************************************
1204 dnl *** Checks for zero length arrays ***
1205 dnl *************************************
1206 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1207 AC_TRY_COMPILE([
1208         struct s {
1209                 int  length;
1210                 char data [0];
1211         };
1212 ], [], [
1213         AC_MSG_RESULT(yes)
1214         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1215 ], [
1216         AC_MSG_RESULT(no)
1217         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1218 ])
1219
1220 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1221
1222 dnl ***********************************
1223 dnl *** Checks for signals
1224 dnl ***********************************
1225 AC_CHECK_HEADERS(signal.h)
1226 AC_CHECK_FUNCS(sigaction)
1227 AC_CHECK_FUNCS(kill)
1228 AC_CHECK_FUNCS(signal)
1229
1230 # signal() is declared inline in Android headers
1231 # so we need to workaround it by overriding the check.
1232 if test x$platform_android = xyes; then
1233         AC_DEFINE(HAVE_SIGNAL,1)
1234 fi
1235
1236 if test x$host_win32 = xno; then
1237
1238         dnl hires monotonic clock support
1239         AC_SEARCH_LIBS(clock_gettime, rt)
1240         AC_CHECK_FUNCS(clock_nanosleep)
1241
1242         dnl dynamic loader support
1243         AC_CHECK_FUNC(dlopen, DL_LIB="",
1244                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1245         )
1246         if test x$dl_support = xno; then
1247                 AC_MSG_WARN([No dynamic loading support available])
1248         else
1249                 LIBS="$LIBS $DL_LIB"
1250                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1251                 dnl from glib's configure.ac
1252                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1253                         mono_cv_uscore,[
1254                         AC_TRY_RUN([#include <dlfcn.h>
1255                         int mono_underscore_test (void) { return 42; }
1256                         int main() {
1257                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1258                           handle = dlopen ((void*)0, 0);
1259                           if (handle) {
1260                             f1 = dlsym (handle, "mono_underscore_test");
1261                             f2 = dlsym (handle, "_mono_underscore_test");
1262                           } return (!f2 || f1);
1263                         }],
1264                                 [mono_cv_uscore=yes],
1265                                 [mono_cv_uscore=no],
1266                         [])
1267                 ])
1268                 if test "x$mono_cv_uscore" = "xyes"; then
1269                         MONO_DL_NEED_USCORE=1
1270                 else
1271                         MONO_DL_NEED_USCORE=0
1272                 fi
1273                 AC_SUBST(MONO_DL_NEED_USCORE)
1274                 AC_CHECK_FUNC(dlerror)
1275         fi
1276
1277         dnl ******************************************************************
1278         dnl *** Checks for the IKVM JNI interface library                  ***
1279         dnl ******************************************************************
1280         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])
1281
1282         ikvm_native_dir=
1283         if test x$with_ikvm_native = xyes; then
1284                 ikvm_native_dir=ikvm-native
1285                 jdk_headers_found="IKVM Native"
1286         fi
1287
1288         AC_SUBST(ikvm_native_dir)
1289
1290         AC_CHECK_HEADERS(execinfo.h)
1291
1292         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1293
1294         AC_CHECK_FUNCS(getgrgid_r)
1295         AC_CHECK_FUNCS(getgrnam_r)
1296         AC_CHECK_FUNCS(getpwnam_r)
1297         AC_CHECK_FUNCS(getpwuid_r)
1298         AC_CHECK_FUNCS(getresuid)
1299         AC_CHECK_FUNCS(setresuid)
1300         AC_CHECK_FUNCS(kqueue)
1301         AC_CHECK_FUNCS(backtrace_symbols)
1302         AC_CHECK_FUNCS(mkstemp)
1303         AC_CHECK_FUNCS(mmap)
1304         AC_CHECK_FUNCS(madvise)
1305         AC_CHECK_FUNCS(getrusage)
1306         AC_CHECK_FUNCS(getpriority)
1307         AC_CHECK_FUNCS(setpriority)
1308         AC_CHECK_FUNCS(dl_iterate_phdr)
1309         AC_CHECK_FUNCS(dladdr)
1310         AC_CHECK_FUNCS(sysconf)
1311         AC_CHECK_FUNCS(getrlimit)
1312         AC_CHECK_FUNCS(prctl)
1313
1314         AC_CHECK_FUNCS(sched_getaffinity)
1315         AC_CHECK_FUNCS(sched_setaffinity)
1316         AC_CHECK_FUNCS(sched_getcpu)
1317
1318         dnl ****************************************************************
1319         dnl *** Check for sched_setaffinity from glibc versions before   ***
1320         dnl *** 2.3.4. The older versions of the function only take 2    ***
1321         dnl *** parameters, not 3.                                       ***
1322         dnl ***                                                          ***
1323         dnl *** Because the interface change was not made in a minor     ***
1324         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1325         dnl *** won't always indicate the interface sched_affinity has.  ***
1326         dnl ****************************************************************
1327         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1328         AC_TRY_COMPILE([#include <sched.h>], [
1329             int mask = 1;
1330             sched_setaffinity(0, &mask);
1331                         return 0;
1332         ], [
1333                 # Yes, we have it...
1334                 AC_MSG_RESULT(yes)
1335                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1336         ], [
1337                 # We have the new, three-parameter version
1338                 AC_MSG_RESULT(no)
1339         ])
1340
1341
1342         dnl ******************************************************************
1343         dnl *** Check for large file support                               ***
1344         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1345         dnl ******************************************************************
1346
1347         # Check that off_t can represent 2**63 - 1 correctly, working around
1348         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1349         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1350         large_offt=no
1351         AC_DEFUN([LARGE_FILES], [
1352                 large_CPPFLAGS=$CPPFLAGS
1353                 CPPFLAGS="$CPPFLAGS $1"
1354                 AC_TRY_COMPILE([
1355                         #include <sys/types.h>
1356                         #include <limits.h>
1357                 ], [
1358                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1359                         #define COMPILE_TIME_ASSERT(pred) \
1360                                 switch(0){case 0:case pred:;}
1361                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1362                 ], [
1363                         AC_MSG_RESULT(ok)
1364                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1365                         large_CPPFLAGS="$large_CPPFLAGS $1"
1366                         large_offt=yes
1367                 ], [
1368                         AC_MSG_RESULT(no)
1369                 ])
1370                 CPPFLAGS=$large_CPPFLAGS
1371         ])
1372
1373         AC_MSG_CHECKING(if off_t is 64 bits wide)
1374         LARGE_FILES("")
1375         if test $large_offt = no; then
1376                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1377                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1378         fi
1379         if test $large_offt = no; then
1380                 AC_MSG_WARN([No 64 bit file size support available])
1381         fi
1382
1383         dnl *****************************
1384         dnl *** Checks for libsocket  ***
1385         dnl *****************************
1386         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1387
1388         case "$host" in
1389                 *-*-*freebsd*)
1390                         dnl *****************************
1391                         dnl *** Checks for libinotify ***
1392                         dnl *****************************
1393                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1394         esac
1395
1396         dnl *******************************
1397         dnl *** Checks for MSG_NOSIGNAL ***
1398         dnl *******************************
1399         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1400         AC_TRY_COMPILE([#include <sys/socket.h>], [
1401                 int f = MSG_NOSIGNAL;
1402         ], [
1403                 # Yes, we have it...
1404                 AC_MSG_RESULT(yes)
1405                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1406         ], [
1407                 # We'll have to use signals
1408                 AC_MSG_RESULT(no)
1409         ])
1410
1411         dnl *****************************
1412         dnl *** Checks for IPPROTO_IP ***
1413         dnl *****************************
1414         AC_MSG_CHECKING(for IPPROTO_IP)
1415         AC_TRY_COMPILE([#include <netinet/in.h>], [
1416                 int level = IPPROTO_IP;
1417         ], [
1418                 # Yes, we have it...
1419                 AC_MSG_RESULT(yes)
1420                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1421         ], [
1422                 # We'll have to use getprotobyname
1423                 AC_MSG_RESULT(no)
1424         ])
1425
1426         dnl *******************************
1427         dnl *** Checks for IPPROTO_IPV6 ***
1428         dnl *******************************
1429         AC_MSG_CHECKING(for IPPROTO_IPV6)
1430         AC_TRY_COMPILE([#include <netinet/in.h>], [
1431                 int level = IPPROTO_IPV6;
1432         ], [
1433                 # Yes, we have it...
1434                 AC_MSG_RESULT(yes)
1435                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1436         ], [
1437                 # We'll have to use getprotobyname
1438                 AC_MSG_RESULT(no)
1439         ])
1440
1441         dnl ******************************
1442         dnl *** Checks for IPPROTO_TCP ***
1443         dnl ******************************
1444         AC_MSG_CHECKING(for IPPROTO_TCP)
1445         AC_TRY_COMPILE([#include <netinet/in.h>], [
1446                 int level = IPPROTO_TCP;
1447         ], [
1448                 # Yes, we have it...
1449                 AC_MSG_RESULT(yes)
1450                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1451         ], [
1452                 # We'll have to use getprotobyname
1453                 AC_MSG_RESULT(no)
1454         ])
1455
1456         dnl *****************************
1457         dnl *** Checks for SOL_IP     ***
1458         dnl *****************************
1459         AC_MSG_CHECKING(for SOL_IP)
1460         AC_TRY_COMPILE([#include <netdb.h>], [
1461                 int level = SOL_IP;
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1466         ], [
1467                 # We'll have to use getprotobyname
1468                 AC_MSG_RESULT(no)
1469         ])
1470
1471         dnl *****************************
1472         dnl *** Checks for SOL_IPV6     ***
1473         dnl *****************************
1474         AC_MSG_CHECKING(for SOL_IPV6)
1475         AC_TRY_COMPILE([#include <netdb.h>], [
1476                 int level = SOL_IPV6;
1477         ], [
1478                 # Yes, we have it...
1479                 AC_MSG_RESULT(yes)
1480                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1481         ], [
1482                 # We'll have to use getprotobyname
1483                 AC_MSG_RESULT(no)
1484         ])
1485
1486         dnl *****************************
1487         dnl *** Checks for SOL_TCP    ***
1488         dnl *****************************
1489         AC_MSG_CHECKING(for SOL_TCP)
1490         AC_TRY_COMPILE([#include <netdb.h>], [
1491                 int level = SOL_TCP;
1492         ], [
1493                 # Yes, we have it...
1494                 AC_MSG_RESULT(yes)
1495                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1496         ], [
1497                 # We'll have to use getprotobyname
1498                 AC_MSG_RESULT(no)
1499         ])
1500
1501         dnl *****************************
1502         dnl *** Checks for IP_PKTINFO ***
1503         dnl *****************************
1504         AC_MSG_CHECKING(for IP_PKTINFO)
1505         AC_TRY_COMPILE([#include <linux/in.h>], [
1506                 int level = IP_PKTINFO;
1507         ], [
1508                 # Yes, we have it...
1509                 AC_MSG_RESULT(yes)
1510                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1511         ], [
1512                 AC_MSG_RESULT(no)
1513         ])
1514
1515         dnl *****************************
1516         dnl *** Checks for IPV6_PKTINFO ***
1517         dnl *****************************
1518         AC_MSG_CHECKING(for IPV6_PKTINFO)
1519         AC_TRY_COMPILE([#include <netdb.h>], [
1520                 int level = IPV6_PKTINFO;
1521         ], [
1522                 # Yes, we have it...
1523                 AC_MSG_RESULT(yes)
1524                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1525         ], [
1526                 AC_MSG_RESULT(no)
1527         ])
1528
1529         dnl **********************************
1530         dnl *** Checks for IP_DONTFRAG     ***
1531         dnl **********************************
1532         AC_MSG_CHECKING(for IP_DONTFRAG)
1533         AC_TRY_COMPILE([#include <netinet/in.h>], [
1534                 int level = IP_DONTFRAG;
1535         ], [
1536                 # Yes, we have it...
1537                 AC_MSG_RESULT(yes)
1538                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1539         ], [
1540                 AC_MSG_RESULT(no)
1541         ])
1542
1543         dnl **********************************
1544         dnl *** Checks for IP_DONTFRAGMENT ***
1545         dnl **********************************
1546         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1547         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1548                 int level = IP_DONTFRAGMENT;
1549         ], [
1550                 # Yes, we have it...
1551                 AC_MSG_RESULT(yes)
1552                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1553         ], [
1554                 AC_MSG_RESULT(no)
1555         ])
1556
1557         dnl **********************************
1558         dnl *** Checks for IP_MTU_DISCOVER ***
1559         dnl **********************************
1560         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1561         AC_TRY_COMPILE([#include <linux/in.h>], [
1562                 int level = IP_MTU_DISCOVER;
1563         ], [
1564                 # Yes, we have it...
1565                 AC_MSG_RESULT(yes)
1566                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1567         ], [
1568                 AC_MSG_RESULT(no)
1569         ])
1570
1571         dnl **********************************
1572         dnl *** Checks for  IP_PMTUDISC_DO ***
1573         dnl **********************************
1574         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1575         AC_TRY_COMPILE([#include <linux/in.h>], [
1576                 int level = IP_PMTUDISC_DO;
1577         ], [
1578                 # Yes, we have it...
1579                 AC_MSG_RESULT(yes)
1580                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1581         ], [
1582                 AC_MSG_RESULT(no)
1583         ])
1584
1585         dnl *********************************
1586         dnl *** Check for struct ip_mreqn ***
1587         dnl *********************************
1588         AC_MSG_CHECKING(for struct ip_mreqn)
1589         AC_TRY_COMPILE([#include <netinet/in.h>], [
1590                 struct ip_mreqn mreq;
1591                 mreq.imr_address.s_addr = 0;
1592         ], [
1593                 # Yes, we have it...
1594                 AC_MSG_RESULT(yes)
1595                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1596         ], [
1597                 # We'll just have to try and use struct ip_mreq
1598                 AC_MSG_RESULT(no)
1599                 AC_MSG_CHECKING(for struct ip_mreq)
1600                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1601                         struct ip_mreq mreq;
1602                         mreq.imr_interface.s_addr = 0;
1603                 ], [
1604                         # Yes, we have it...
1605                         AC_MSG_RESULT(yes)
1606                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1607                 ], [
1608                         # No multicast support
1609                         AC_MSG_RESULT(no)
1610                 ])
1611         ])
1612
1613         dnl **********************************
1614         dnl *** Check for getaddrinfo ***
1615         dnl **********************************
1616         AC_MSG_CHECKING(for getaddrinfo)
1617                 AC_TRY_LINK([
1618                 #include <stdio.h>
1619                 #include <netdb.h>
1620         ], [
1621                 getaddrinfo(NULL,NULL,NULL,NULL);
1622         ], [
1623                 # Yes, we have it...
1624                 AC_MSG_RESULT(yes)
1625                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1626         ], [
1627                 AC_MSG_RESULT(no)
1628         ])
1629
1630         dnl **********************************
1631         dnl *** Check for gethostbyname2_r ***
1632         dnl **********************************
1633         AC_MSG_CHECKING(for gethostbyname2_r)
1634                 AC_TRY_LINK([
1635                 #include <stdio.h>
1636                 #include <netdb.h>
1637         ], [
1638
1639                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1640         ], [
1641                 # Yes, we have it...
1642                 AC_MSG_RESULT(yes)
1643                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1644         ], [
1645                 AC_MSG_RESULT(no)
1646         ])
1647
1648         dnl **********************************
1649         dnl *** Check for gethostbyname2 ***
1650         dnl **********************************
1651         AC_MSG_CHECKING(for gethostbyname2)
1652                 AC_TRY_LINK([
1653                 #include <stdio.h>
1654                 #include <netdb.h>
1655         ], [
1656                 gethostbyname2(NULL,0);
1657         ], [
1658                 # Yes, we have it...
1659                 AC_MSG_RESULT(yes)
1660                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1661         ], [
1662                 AC_MSG_RESULT(no)
1663         ])
1664
1665         dnl **********************************
1666         dnl *** Check for gethostbyname ***
1667         dnl **********************************
1668         AC_MSG_CHECKING(for gethostbyname)
1669                 AC_TRY_LINK([
1670                 #include <stdio.h>
1671                 #include <netdb.h>
1672         ], [
1673                 gethostbyname(NULL);
1674         ], [
1675                 # Yes, we have it...
1676                 AC_MSG_RESULT(yes)
1677                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1678         ], [
1679                 AC_MSG_RESULT(no)
1680         ])
1681
1682         dnl **********************************
1683         dnl *** Check for getprotobyname ***
1684         dnl **********************************
1685         AC_MSG_CHECKING(for getprotobyname)
1686                 AC_TRY_LINK([
1687                 #include <stdio.h>
1688                 #include <netdb.h>
1689         ], [
1690                 getprotobyname(NULL);
1691         ], [
1692                 # Yes, we have it...
1693                 AC_MSG_RESULT(yes)
1694                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1695         ], [
1696                 AC_MSG_RESULT(no)
1697         ])
1698
1699         dnl **********************************
1700         dnl *** Check for getnameinfo ***
1701         dnl **********************************
1702         AC_MSG_CHECKING(for getnameinfo)
1703                 AC_TRY_LINK([
1704                 #include <stdio.h>
1705                 #include <netdb.h>
1706         ], [
1707                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1708         ], [
1709                 # Yes, we have it...
1710                 AC_MSG_RESULT(yes)
1711                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1712         ], [
1713                 AC_MSG_RESULT(no)
1714         ])
1715
1716
1717         dnl **********************************
1718         dnl *** Check for inet_ntop ***
1719         dnl **********************************
1720         AC_MSG_CHECKING(for inet_ntop)
1721                 AC_TRY_LINK([
1722                 #include <stdio.h>
1723                 #include <arpa/inet.h>
1724         ], [
1725                 inet_ntop (0, NULL, NULL, 0);
1726         ], [
1727                 # Yes, we have it...
1728                 AC_MSG_RESULT(yes)
1729                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1730         ], [
1731                 AC_MSG_RESULT(no)
1732         ])
1733
1734         dnl *****************************
1735         dnl *** Checks for libnsl     ***
1736         dnl *****************************
1737         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1738
1739         AC_CHECK_FUNCS(inet_pton inet_aton)
1740
1741         dnl *****************************
1742         dnl *** Checks for libxnet    ***
1743         dnl *****************************
1744         case "${host}" in
1745                 *solaris* )
1746                         AC_MSG_CHECKING(for Solaris XPG4 support)
1747                         if test -f /usr/lib/libxnet.so; then
1748                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1749                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1750                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1751                                 LIBS="$LIBS -lxnet"
1752                                 AC_MSG_RESULT(yes)
1753                         else
1754                                 AC_MSG_RESULT(no)
1755                         fi
1756
1757                         if test "$GCC" = "yes"; then
1758                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1759                         fi
1760                 ;;
1761         esac
1762
1763         dnl *****************************
1764         dnl *** Checks for libpthread ***
1765         dnl *****************************
1766 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1767 # and libpthread does not exist
1768 #
1769         case "${host}" in
1770                 *-*-*freebsd*)
1771                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1772                 ;;
1773                 *-*-*openbsd*)
1774                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1775                 ;;
1776                 *)
1777                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1778                 ;;
1779         esac
1780         AC_CHECK_HEADERS(pthread.h)
1781         AC_CHECK_HEADERS(pthread_np.h)
1782         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1783         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1784         AC_CHECK_FUNCS(pthread_kill)
1785         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1786         AC_TRY_COMPILE([ #include <pthread.h>], [
1787                 pthread_mutexattr_t attr;
1788                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1789         ], [
1790                 AC_MSG_RESULT(ok)
1791         ], [
1792                 AC_MSG_RESULT(no)
1793                 AC_ERROR(Posix system lacks support for recursive mutexes)
1794         ])
1795         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1796         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1797         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1798
1799         dnl **********************************
1800         dnl *** Check for mincore ***
1801         dnl **********************************
1802         AC_MSG_CHECKING(for mincore)
1803                 AC_TRY_LINK([
1804                 #include <stdio.h>
1805                 #include <sys/types.h>
1806                 #include <sys/mman.h>
1807         ], [
1808                 mincore(NULL, 0, NULL);
1809         ], [
1810                 # Yes, we have it...
1811                 AC_MSG_RESULT(yes)
1812                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1813         ], [
1814                 AC_MSG_RESULT(no)
1815         ])
1816
1817         dnl ***********************************
1818         dnl *** Checks for working __thread ***
1819         dnl ***********************************
1820         AC_MSG_CHECKING(for working __thread)
1821         if test "x$with_tls" != "x__thread"; then
1822                 AC_MSG_RESULT(disabled)
1823         elif test "x$cross_compiling" = "xyes"; then
1824                 AC_MSG_RESULT(cross compiling, assuming yes)
1825         else
1826                 AC_TRY_RUN([
1827                         #if defined(__APPLE__) && defined(__clang__)
1828                         #error "__thread does not currently work with clang on Mac OS X"
1829                         #endif
1830
1831                         #include <pthread.h>
1832                         __thread int i;
1833                         static int res1, res2;
1834
1835                         void thread_main (void *arg)
1836                         {
1837                                 i = arg;
1838                                 sleep (1);
1839                                 if (arg == 1)
1840                                         res1 = (i == arg);
1841                                 else
1842                                         res2 = (i == arg);
1843                         }
1844
1845                         int main () {
1846                                 pthread_t t1, t2;
1847
1848                                 i = 5;
1849
1850                                 pthread_create (&t1, NULL, thread_main, 1);
1851                                 pthread_create (&t2, NULL, thread_main, 2);
1852
1853                                 pthread_join (t1, NULL);
1854                                 pthread_join (t2, NULL);
1855
1856                                 return !(res1 + res2 == 2);
1857                         }
1858                 ], [
1859                                 AC_MSG_RESULT(yes)
1860                 ], [
1861                                 AC_MSG_RESULT(no)
1862                                 with_tls=pthread
1863                 ])
1864         fi
1865
1866         dnl **************************************
1867         dnl *** Checks for working sigaltstack ***
1868         dnl **************************************
1869         AC_MSG_CHECKING(for working sigaltstack)
1870         if test "x$with_sigaltstack" != "xyes"; then
1871                 AC_MSG_RESULT(disabled)
1872         elif test "x$cross_compiling" = "xyes"; then
1873                 AC_MSG_RESULT(cross compiling, assuming yes)
1874         else
1875                 AC_TRY_RUN([
1876                         #include <stdio.h>
1877                         #include <stdlib.h>
1878                         #include <unistd.h>
1879                         #include <signal.h>
1880                         #include <pthread.h>
1881                         #include <sys/wait.h>
1882                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1883                         #define SA_STACK SA_ONSTACK
1884                         #endif
1885                         static void
1886                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1887                         {
1888                                 exit (0);
1889                         }
1890
1891                         volatile char*__ptr = NULL;
1892                         static void *
1893                         loop (void *ignored)
1894                         {
1895                                 *__ptr = 0;
1896                                 return NULL;
1897                         }
1898
1899                         static void
1900                         child ()
1901                         {
1902                                 struct sigaction sa;
1903                         #ifdef __APPLE__
1904                                 stack_t sas;
1905                         #else
1906                                 struct sigaltstack sas;
1907                         #endif
1908                                 pthread_t id;
1909                                 pthread_attr_t attr;
1910
1911                                 sa.sa_sigaction = sigsegv_signal_handler;
1912                                 sigemptyset (&sa.sa_mask);
1913                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1914                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1915                                         perror ("sigaction");
1916                                         return;
1917                                 }
1918
1919                                 /* x86 darwin deliver segfaults using SIGBUS */
1920                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1921                                         perror ("sigaction");
1922                                         return;
1923                                 }
1924                                 sas.ss_sp = malloc (SIGSTKSZ);
1925                                 sas.ss_size = SIGSTKSZ;
1926                                 sas.ss_flags = 0;
1927                                 if (sigaltstack (&sas, NULL) == -1) {
1928                                         perror ("sigaltstack");
1929                                         return;
1930                                 }
1931
1932                                 pthread_attr_init (&attr);
1933                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1934                                         printf ("pthread_create\n");
1935                                         return;
1936                                 }
1937
1938                                 sleep (100);
1939                         }
1940
1941                         int
1942                         main ()
1943                         {
1944                                 pid_t son;
1945                                 int status;
1946                                 int i;
1947
1948                                 son = fork ();
1949                                 if (son == -1) {
1950                                         return 1;
1951                                 }
1952
1953                                 if (son == 0) {
1954                                         child ();
1955                                         return 0;
1956                                 }
1957
1958                                 for (i = 0; i < 300; ++i) {
1959                                         waitpid (son, &status, WNOHANG);
1960                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1961                                                 return 0;
1962                                         usleep (10000);
1963                                 }
1964
1965                                 kill (son, SIGKILL);
1966                                 return 1;
1967                         }
1968
1969                 ], [
1970                                 AC_MSG_RESULT(yes)
1971                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1972                 ], [
1973                                 with_sigaltstack=no
1974                                 AC_MSG_RESULT(no)
1975                 ])
1976         fi
1977
1978         dnl ********************************
1979         dnl *** Checks for semaphore lib ***
1980         dnl ********************************
1981         # 'Real Time' functions on Solaris
1982         # posix4 on Solaris 2.6
1983         # pthread (first!) on Linux
1984         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1985
1986         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1987         AC_CHECK_FUNCS(shm_open)
1988
1989         dnl ********************************
1990         dnl *** Checks for timezone stuff **
1991         dnl ********************************
1992         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1993                 AC_TRY_COMPILE([
1994                         #include <time.h>
1995                         ], [
1996                         struct tm tm;
1997                         tm.tm_gmtoff = 1;
1998                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1999         if test $ac_cv_struct_tm_gmtoff = yes; then
2000                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2001         else
2002                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2003                         AC_TRY_COMPILE([
2004                                 #include <time.h>
2005                         ], [
2006                                 timezone = 1;
2007                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2008                 if test $ac_cv_var_timezone = yes; then
2009                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2010                 else
2011                         AC_ERROR(unable to find a way to determine timezone)
2012                 fi
2013         fi
2014
2015         dnl *********************************
2016         dnl *** Checks for math functions ***
2017         dnl *********************************
2018         AC_SEARCH_LIBS(sqrtf, m)
2019         if test "x$has_broken_apple_cpp" != "xyes"; then
2020                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2021                         AC_TRY_LINK([#include <math.h>],
2022                         [ finite(0.0); ],
2023                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2024                         AC_MSG_RESULT(no)))
2025         fi
2026         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2027                 AC_TRY_LINK([#include <math.h>],
2028                 [ isfinite(0.0); ],
2029                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2030                 AC_MSG_RESULT(no)))
2031
2032         dnl ****************************************************************
2033         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2034         dnl *** have it in the library (duh))                            ***
2035         dnl ****************************************************************
2036         AC_CHECK_FUNCS(poll)
2037
2038         dnl *************************
2039         dnl *** Check for signbit ***
2040         dnl *************************
2041         AC_MSG_CHECKING(for signbit)
2042         AC_TRY_LINK([#include <math.h>], [
2043                 int s = signbit(1.0);
2044         ], [
2045                 AC_MSG_RESULT(yes)
2046                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2047         ], [
2048                 AC_MSG_RESULT(no)
2049         ])
2050
2051         dnl **********************************
2052         dnl *** epoll                      ***
2053         dnl **********************************
2054         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2055                 AC_CHECK_HEADERS(sys/epoll.h)
2056                 haveepoll=no
2057                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2058                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2059                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2060                 fi
2061         fi
2062
2063         havekqueue=no
2064
2065         AC_CHECK_HEADERS(sys/event.h)
2066         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2067
2068         dnl **************************************
2069         dnl * Darwin has a race that prevents us from using reliably:
2070         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2071         dnl * Since kqueue is mostly used for scaling large web servers,
2072         dnl * and very few folks run Mono on large web servers on OSX, falling
2073         dnl * back
2074         dnl **************************************
2075         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2076                 if test "x$host_darwin" = "xno"; then
2077                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2078                 fi
2079         fi
2080
2081         dnl ******************************
2082         dnl *** Checks for SIOCGIFCONF ***
2083         dnl ******************************
2084         AC_CHECK_HEADERS(sys/ioctl.h)
2085         AC_CHECK_HEADERS(net/if.h, [], [],
2086            [
2087            #ifdef HAVE_SYS_TYPES_H
2088            # include <sys/types.h>
2089            #endif
2090            #ifdef HAVE_SYS_SOCKET_H
2091            # include <sys/socket.h>
2092            #endif
2093            ])
2094         AC_MSG_CHECKING(for ifreq)
2095         AC_TRY_COMPILE([
2096                 #include <stdio.h>
2097                 #include <sys/ioctl.h>
2098                 #include <net/if.h>
2099                 ], [
2100                 struct ifconf ifc;
2101                 struct ifreq *ifr;
2102                 void *x;
2103                 ifc.ifc_len = 0;
2104                 ifc.ifc_buf = NULL;
2105                 x = (void *) &ifr->ifr_addr;
2106                 ],[
2107                         AC_MSG_RESULT(yes)
2108                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2109                 ], [
2110                         AC_MSG_RESULT(no)
2111                 ])
2112         dnl **********************************
2113         dnl ***     Checks for sin_len     ***
2114         dnl **********************************
2115         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2116         AC_TRY_COMPILE([
2117                 #include <netinet/in.h>
2118                 ], [
2119                 struct sockaddr_in saddr;
2120                 saddr.sin_len = sizeof (saddr);
2121                 ],[
2122                         AC_MSG_RESULT(yes)
2123                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2124                 ], [
2125                         AC_MSG_RESULT(no)
2126                 ])
2127         dnl **********************************
2128         dnl ***    Checks for sin6_len     ***
2129         dnl **********************************
2130         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2131         AC_TRY_COMPILE([
2132                 #include <netinet/in.h>
2133                 ], [
2134                 struct sockaddr_in6 saddr6;
2135                 saddr6.sin6_len = sizeof (saddr6);
2136                 ],[
2137                         AC_MSG_RESULT(yes)
2138                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2139                 ], [
2140                         AC_MSG_RESULT(no)
2141                 ])
2142         dnl **********************************
2143         dnl *** Check for getifaddrs       ***
2144         dnl **********************************
2145         AC_MSG_CHECKING(for getifaddrs)
2146                 AC_TRY_LINK([
2147                 #include <stdio.h>
2148                 #include <sys/types.h>
2149                 #include <sys/socket.h>
2150                 #include <ifaddrs.h>
2151         ], [
2152                 getifaddrs(NULL);
2153         ], [
2154                 # Yes, we have it...
2155                 AC_MSG_RESULT(yes)
2156                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2157         ], [
2158                 AC_MSG_RESULT(no)
2159         ])
2160         dnl **********************************
2161         dnl *** Check for if_nametoindex   ***
2162         dnl **********************************
2163         AC_MSG_CHECKING(for if_nametoindex)
2164                 AC_TRY_LINK([
2165                 #include <stdio.h>
2166                 #include <sys/types.h>
2167                 #include <sys/socket.h>
2168                 #include <net/if.h>
2169         ], [
2170                 if_nametoindex(NULL);
2171         ], [
2172                 # Yes, we have it...
2173                 AC_MSG_RESULT(yes)
2174                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2175         ], [
2176                 AC_MSG_RESULT(no)
2177         ])
2178
2179         dnl **********************************
2180         dnl *** Checks for MonoPosixHelper ***
2181         dnl **********************************
2182         AC_CHECK_HEADERS(checklist.h)
2183         AC_CHECK_HEADERS(pathconf.h)
2184         AC_CHECK_HEADERS(fstab.h)
2185         AC_CHECK_HEADERS(attr/xattr.h)
2186         AC_CHECK_HEADERS(sys/extattr.h)
2187         AC_CHECK_HEADERS(sys/sendfile.h)
2188         AC_CHECK_HEADERS(sys/statvfs.h)
2189         AC_CHECK_HEADERS(sys/statfs.h)
2190         AC_CHECK_HEADERS(sys/vfstab.h)
2191         AC_CHECK_HEADERS(sys/xattr.h)
2192         AC_CHECK_HEADERS(sys/mman.h)
2193         AC_CHECK_HEADERS(sys/param.h)
2194         AC_CHECK_HEADERS(sys/mount.h, [], [],
2195                 [
2196                 #ifdef HAVE_SYS_PARAM_H
2197                 # include <sys/param.h>
2198                 #endif
2199                 ])
2200         AC_CHECK_HEADERS(sys/mount.h)
2201         AC_CHECK_FUNCS(confstr)
2202         AC_CHECK_FUNCS(seekdir telldir)
2203         AC_CHECK_FUNCS(getdomainname)
2204         AC_CHECK_FUNCS(setdomainname)
2205         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2206         AC_CHECK_FUNCS(setgroups)
2207         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2208         AC_CHECK_FUNCS(getfsstat)
2209         AC_CHECK_FUNCS(lutimes futimes)
2210         AC_CHECK_FUNCS(mremap)
2211         AC_CHECK_FUNCS(remap_file_pages)
2212         AC_CHECK_FUNCS(posix_fadvise)
2213         AC_CHECK_FUNCS(posix_fallocate)
2214         AC_CHECK_FUNCS(posix_madvise)
2215         AC_CHECK_FUNCS(vsnprintf)
2216         AC_CHECK_FUNCS(sendfile)
2217         AC_CHECK_FUNCS(gethostid sethostid)
2218         AC_CHECK_FUNCS(sethostname)
2219         AC_CHECK_FUNCS(statfs)
2220         AC_CHECK_FUNCS(fstatfs)
2221         AC_CHECK_FUNCS(statvfs)
2222         AC_CHECK_FUNCS(fstatvfs)
2223         AC_CHECK_FUNCS(stime)
2224         AC_CHECK_FUNCS(strerror_r)
2225         AC_CHECK_FUNCS(ttyname_r)
2226         AC_CHECK_FUNCS(psignal)
2227         AC_CHECK_FUNCS(getlogin_r)
2228         AC_CHECK_FUNCS(lockf)
2229         AC_CHECK_FUNCS(swab)
2230         AC_CHECK_FUNCS(setusershell endusershell)
2231         AC_CHECK_FUNCS(futimens utimensat)
2232         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2233         AC_CHECK_FUNCS(readv writev preadv pwritev)
2234         AC_CHECK_FUNCS(setpgid)
2235         AC_CHECK_FUNCS(system)
2236         AC_CHECK_FUNCS(fork execv execve)
2237         AC_CHECK_FUNCS(accept4)
2238         AC_CHECK_SIZEOF(size_t)
2239         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2240                 [#include <sys/types.h>
2241                  #include <sys/stat.h>
2242                  #include <unistd.h>])
2243         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2244                 [#include <sys/types.h>
2245                  #include <sys/stat.h>
2246                  #include <unistd.h>])
2247         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2248                 [#include <sys/time.h>])
2249         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2250                 [#include <sys/socket.h>])
2251         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2252                 [#include <unistd.h>
2253                  #include <fcntl.h>])
2254         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2255                 [#include <sys/uio.h>])
2256         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2257                 [#include <sys/socket.h>])
2258         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2259                 [#include <sys/poll.h>])
2260         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2261                 [#include <sys/socket.h>])
2262         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2263                 [#include <sys/socket.h>])
2264         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2265                 [#include <netinet/in.h>])
2266         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2267                 [#include <netinet/in.h>])
2268         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2269                 [#include <sys/un.h>])
2270         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2271                 [#include <sys/types.h>
2272                  #include <sys/stat.h>
2273                  #include <unistd.h>])
2274         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2275                 [#include <time.h>])
2276         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2277                 [#include <sys/time.h>
2278                  #include <sys/types.h>
2279                  #include <utime.h>])
2280         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2281                 [#include <sys/time.h>])
2282         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2283                 [#include <sys/types.h>
2284                  #include <utime.h>])
2285         AC_CHECK_MEMBERS(
2286                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2287                 [#include <sys/types.h>
2288                  #include <dirent.h>])
2289         AC_CHECK_MEMBERS(
2290                 [struct passwd.pw_gecos],,,
2291                 [#include <sys/types.h>
2292                  #include <pwd.h>])
2293         AC_CHECK_MEMBERS(
2294                 [struct statfs.f_flags],,,
2295                 [#include <sys/types.h>
2296                  #include <sys/vfs.h>])
2297         AC_CHECK_MEMBERS(
2298                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2299                 [#include <sys/types.h>
2300                  #include <sys/stat.h>
2301                  #include <unistd.h>])
2302
2303         dnl Favour xattr through glibc, but use libattr if we have to
2304         AC_CHECK_FUNC(lsetxattr, ,
2305                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2306         )
2307         AC_SUBST(XATTR_LIB)
2308
2309         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2310         AC_CHECK_MEMBERS(
2311                 [struct kinfo_proc.kp_proc],,,
2312                 [#include <sys/types.h>
2313                  #include <sys/param.h>
2314                  #include <sys/sysctl.h>
2315                  #include <sys/proc.h>
2316                  ])
2317
2318         dnl *********************************
2319         dnl *** Checks for Windows compilation ***
2320         dnl *********************************
2321         AC_CHECK_HEADERS(sys/time.h)
2322         AC_CHECK_HEADERS(sys/param.h)
2323         AC_CHECK_HEADERS(dirent.h)
2324
2325         dnl ******************************************
2326         dnl *** Checks for OSX and iOS compilation ***
2327         dnl ******************************************
2328         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2329
2330         dnl *********************************
2331         dnl *** Check for Console 2.0 I/O ***
2332         dnl *********************************
2333         AC_CHECK_HEADERS([curses.h])
2334         AC_CHECK_HEADERS([term.h], [], [],
2335         [#if HAVE_CURSES_H
2336          #include <curses.h>
2337          #endif
2338         ])
2339         AC_CHECK_HEADERS([termios.h])
2340 else
2341         dnl *********************************
2342         dnl *** Checks for Windows compilation ***
2343         dnl *********************************
2344         AC_CHECK_HEADERS(winternl.h)
2345
2346         jdk_headers_found=no
2347         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2348         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2349         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2350         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2351         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2352         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2353         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2354
2355         dnl *********************************
2356         dnl *** Check for struct ip_mreqn ***
2357         dnl *********************************
2358         AC_MSG_CHECKING(for struct ip_mreqn)
2359         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2360                 struct ip_mreqn mreq;
2361                 mreq.imr_address.s_addr = 0;
2362         ], [
2363                 # Yes, we have it...
2364                 AC_MSG_RESULT(yes)
2365                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2366         ], [
2367                 # We'll just have to try and use struct ip_mreq
2368                 AC_MSG_RESULT(no)
2369                 AC_MSG_CHECKING(for struct ip_mreq)
2370                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2371                         struct ip_mreq mreq;
2372                         mreq.imr_interface.s_addr = 0;
2373                 ], [
2374                         # Yes, we have it...
2375                         AC_MSG_RESULT(yes)
2376                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2377                 ], [
2378                         # No multicast support
2379                         AC_MSG_RESULT(no)
2380                 ])
2381         ])
2382
2383         dnl **********************************
2384         dnl *** Check for getaddrinfo ***
2385         dnl **********************************
2386         AC_MSG_CHECKING(for getaddrinfo)
2387                 AC_TRY_LINK([
2388                 #include <stdio.h>
2389                 #include <winsock2.h>
2390                 #include <ws2tcpip.h>
2391         ], [
2392                 getaddrinfo(NULL,NULL,NULL,NULL);
2393         ], [
2394                 # Yes, we have it...
2395                 AC_MSG_RESULT(yes)
2396                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2397         ], [
2398                 AC_MSG_RESULT(no)
2399         ])
2400
2401         dnl **********************************
2402         dnl *** Check for gethostbyname ***
2403         dnl **********************************
2404         AC_MSG_CHECKING(for gethostbyname)
2405                 AC_TRY_LINK([
2406                 #include <stdio.h>
2407                 #include <winsock2.h>
2408                 #include <ws2tcpip.h>
2409         ], [
2410                 gethostbyname(NULL);
2411         ], [
2412                 # Yes, we have it...
2413                 AC_MSG_RESULT(yes)
2414                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2415         ], [
2416                 AC_MSG_RESULT(no)
2417         ])
2418
2419         dnl **********************************
2420         dnl *** Check for getprotobyname ***
2421         dnl **********************************
2422         AC_MSG_CHECKING(for getprotobyname)
2423                 AC_TRY_LINK([
2424                 #include <stdio.h>
2425                 #include <winsock2.h>
2426                 #include <ws2tcpip.h>
2427         ], [
2428                 getprotobyname(NULL);
2429         ], [
2430                 # Yes, we have it...
2431                 AC_MSG_RESULT(yes)
2432                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2433         ], [
2434                 AC_MSG_RESULT(no)
2435         ])
2436
2437         dnl **********************************
2438         dnl *** Check for getnameinfo ***
2439         dnl **********************************
2440         AC_MSG_CHECKING(for getnameinfo)
2441                 AC_TRY_LINK([
2442                 #include <stdio.h>
2443                 #include <winsock2.h>
2444                 #include <ws2tcpip.h>
2445         ], [
2446                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2447         ], [
2448                 # Yes, we have it...
2449                 AC_MSG_RESULT(yes)
2450                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2451         ], [
2452                 AC_MSG_RESULT(no)
2453         ])
2454
2455         dnl **********************************
2456         dnl *** Check for inet_ntop ***
2457         dnl **********************************
2458         AC_MSG_CHECKING(for inet_ntop)
2459                 AC_TRY_LINK([
2460                 #include <stdio.h>
2461                 #include <winsock2.h>
2462                 #include <ws2tcpip.h>
2463         ], [
2464                 inet_ntop (0, NULL, NULL, 0);
2465         ], [
2466                 # Yes, we have it...
2467                 AC_MSG_RESULT(yes)
2468                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2469         ], [
2470                 AC_MSG_RESULT(no)
2471         ])
2472
2473         dnl **********************************
2474         dnl *** Check for inet_pton ***
2475         dnl **********************************
2476         AC_MSG_CHECKING(for inet_pton)
2477                 AC_TRY_LINK([
2478                 #include <stdio.h>
2479                 #include <winsock2.h>
2480                 #include <ws2tcpip.h>
2481         ], [
2482                 #ifndef inet_pton
2483                 (void) inet_pton;
2484                 #endif
2485                 inet_pton (0, NULL, NULL);
2486         ], [
2487                 # Yes, we have it...
2488                 AC_MSG_RESULT(yes)
2489                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2490         ], [
2491                 AC_MSG_RESULT(no)
2492         ])
2493
2494         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2495         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2496         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2497         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2498         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2499         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2500         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2501 fi
2502
2503 dnl socklen_t check
2504 AC_MSG_CHECKING(for socklen_t)
2505 AC_TRY_COMPILE([
2506 #include <sys/types.h>
2507 #include <sys/socket.h>
2508 ],[
2509   socklen_t foo;
2510 ],[
2511 ac_cv_c_socklen_t=yes
2512         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2513         AC_MSG_RESULT(yes)
2514 ],[
2515         AC_MSG_RESULT(no)
2516 ])
2517
2518 AC_MSG_CHECKING(for array element initializer support)
2519 AC_TRY_COMPILE([#include <sys/socket.h>], [
2520         const int array[] = {[1] = 2,};
2521 ], [
2522         # Yes, we have it...
2523         AC_MSG_RESULT(yes)
2524         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2525 ], [
2526         # We'll have to use signals
2527         AC_MSG_RESULT(no)
2528 ])
2529
2530 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2531         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2532         AC_TRY_LINK([#include <math.h>],
2533         [ static void *p = &trunc; ],
2534         [
2535                 AC_DEFINE(HAVE_TRUNC)
2536                 AC_MSG_RESULT(yes)
2537                 ac_cv_trunc=yes
2538         ],
2539         AC_MSG_RESULT(no)))
2540
2541 if test "x$ac_cv_truncl" != "xyes"; then
2542    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2543 fi
2544
2545 AC_CHECK_FUNCS(execvp)
2546
2547 dnl ****************************
2548 dnl *** Look for /dev/random ***
2549 dnl ****************************
2550
2551 AC_MSG_CHECKING([if usage of random device is requested])
2552 AC_ARG_ENABLE(dev-random,
2553 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2554 try_dev_random=$enableval, try_dev_random=yes)
2555
2556 AC_MSG_RESULT($try_dev_random)
2557
2558 case "{$build}" in
2559     *-openbsd*)
2560     NAME_DEV_RANDOM="/dev/srandom"
2561     ;;
2562
2563 dnl Win32 does not have /dev/random, they have their own method...
2564
2565     *-mingw*|*-*-cygwin*)
2566     ac_cv_have_dev_random=no
2567     ;;
2568
2569 dnl Everywhere else, it's /dev/random
2570
2571     *)
2572     NAME_DEV_RANDOM="/dev/random"
2573     ;;
2574 esac
2575
2576 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2577
2578 dnl Now check if the device actually exists
2579
2580 if test "x$try_dev_random" = "xyes"; then
2581     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2582     [if test -r "$NAME_DEV_RANDOM" ; then
2583         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2584     if test "x$ac_cv_have_dev_random" = "xyes"; then
2585         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2586     fi
2587 else
2588     AC_MSG_CHECKING(for random device)
2589     ac_cv_have_dev_random=no
2590     AC_MSG_RESULT(has been disabled)
2591 fi
2592
2593 if test "x$host_win32" = "xyes"; then
2594     AC_DEFINE(HAVE_CRYPT_RNG)
2595 fi
2596
2597 if test "x$ac_cv_have_dev_random" = "xno" \
2598     && test "x$host_win32" = "xno"; then
2599     AC_MSG_WARN([[
2600 ***
2601 *** A system-provided entropy source was not found on this system.
2602 *** Because of this, the System.Security.Cryptography random number generator
2603 *** will throw a NotImplemented exception.
2604 ***
2605 *** If you are seeing this message, and you know your system DOES have an
2606 *** entropy collection in place, please contact <crichton@gimp.org> and
2607 *** provide information about the system and how to access the random device.
2608 ***
2609 *** Otherwise you can install either egd or prngd and set the environment
2610 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2611 ***]])
2612 fi
2613
2614 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2615
2616 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2617 if test "x$test_perf_events" = "xyes"; then
2618         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2619         AC_SUBST(ENABLE_PERF_EVENTS)
2620 fi
2621
2622 AC_MSG_CHECKING([if big-arrays are to be enabled])
2623 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2624 if test "x$enable_big_arrays" = "xyes" ; then
2625     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2626         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2627     else
2628         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2629     fi
2630 fi
2631 AC_MSG_RESULT($enable_big_arrays)
2632
2633 dnl **************
2634 dnl *** DTRACE ***
2635 dnl **************
2636
2637 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2638
2639 if test "x$enable_dtrace" = "xyes"; then
2640    if test "x$has_dtrace" = "xno"; then
2641           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2642    fi
2643    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2644    if test "x$DTRACE" = "xno"; then
2645           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2646           enable_dtrace=no
2647    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2648           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2649           enable_dtrace=no
2650    fi
2651 fi
2652
2653 dtrace_g=no
2654 if test "x$enable_dtrace" = "xyes"; then
2655         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2656         DTRACEFLAGS=
2657         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2658                 case "$host" in
2659                         powerpc-*-darwin*)
2660                         DTRACEFLAGS="-arch ppc64"
2661                         ;;
2662                         i*86-*-darwin*)
2663                         DTRACEFLAGS="-arch x86_64"
2664                         ;;
2665                         *)
2666                         DTRACEFLAGS=-64
2667                         ;;
2668                 esac
2669         else
2670                 case "$host" in
2671                         powerpc-*-darwin*)
2672                         DTRACEFLAGS="-arch ppc"
2673                         ;;
2674                         i*86-*-darwin*)
2675                         DTRACEFLAGS="-arch i386"
2676                         ;;
2677                         *)
2678                         DTRACEFLAGS=-32
2679                         ;;
2680                 esac
2681         fi
2682         AC_SUBST(DTRACEFLAGS)
2683         case "$host" in
2684                 *-*-solaris*)
2685                 dtrace_g=yes
2686                 ;;
2687         esac
2688         AC_CHECK_HEADERS([sys/sdt.h])
2689 fi
2690 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2691 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2692
2693 dnl **************
2694 dnl ***  NaCl  ***
2695 dnl **************
2696
2697 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2698 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2699
2700 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2701
2702 dnl
2703 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2704 dnl
2705 nacl_self_host=""
2706 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2707    nacl_self_host="nacl_self_host"
2708 fi
2709 AC_SUBST(nacl_self_host)
2710
2711 if test "x$enable_nacl_codegen" = "xyes"; then
2712    MONO_NACL_ALIGN_MASK_OFF=1
2713    AC_DEFINE(TARGET_NACL, 1, [...])
2714    AC_DEFINE(__native_client_codegen__, 1, [...])
2715 fi
2716 if test "x$enable_nacl_gc" = "xyes"; then
2717    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2718       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2719    else
2720       # Not yet implemented
2721       INSTRUMENT_CFLAG=""
2722    fi
2723    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2724 fi
2725 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2726
2727 dnl **************************
2728 dnl *** AOT cross offsets  ***
2729 dnl **************************
2730
2731 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2732     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2733
2734 dnl **************
2735 dnl ***  LLVM  ***
2736 dnl **************
2737
2738 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2739 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2740 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2741 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2742
2743 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2744
2745 if test "x$enable_llvm" = "xyes"; then
2746    if test "x$with_llvm" != "x"; then
2747           LLVM_CONFIG=$with_llvm/bin/llvm-config
2748           if test x$host_win32 = xyes; then
2749                 LLVM_CONFIG=$LLVM_CONFIG.exe
2750           fi
2751           if test ! -x $LLVM_CONFIG; then
2752                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2753       fi
2754    else
2755       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2756       if test "x$LLVM_CONFIG" = "xno"; then
2757              AC_MSG_ERROR([llvm-config not found.])
2758       fi
2759    fi
2760
2761    llvm_codegen="x86codegen"
2762    case "$target" in
2763    arm*)
2764                 llvm_codegen="armcodegen"
2765                 ;;
2766    esac
2767
2768    if test "x$host_win32" = "xno"; then
2769
2770    # Should be something like '2.6' or '2.7svn'
2771    llvm_version=`$LLVM_CONFIG --version`
2772    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2773    AC_MSG_CHECKING(LLVM version)
2774    AC_MSG_RESULT($llvm_version $llvm_api_version)
2775    if echo $llvm_version | grep -q 'mono'; then
2776           if test "x$enable_llvm_version_check" = "xyes"; then
2777                  if test "$llvm_version" != "$expected_llvm_version"; then
2778                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2779                  fi
2780           fi
2781    else
2782           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.])
2783    fi
2784
2785    # The output of --cflags seems to include optimizations flags too
2786    if test $llvm_api_version -gt 100; then
2787           # The --cflags argument includes all kinds of warnings -pendantic etc.
2788           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2789           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2790    else
2791           LLVM_CFLAGS=`$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'`
2792       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2793    fi
2794    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2795    # from LLVM classes.
2796    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2797    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2798    # This might include empty lines
2799    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2800    llvm_jit_supported=yes
2801    llvm_jit_libs="jit mcjit $llvm_codegen"
2802    if test $llvm_api_version -gt 100; then
2803           # Based on llvm 3.9, only aot is currently supported
2804       llvm_jit_libs="orcjit $llvm_codegen"
2805    elif test "x$host" != "x$target"; then
2806       # No need for jit libs
2807           llvm_jit_supported=no
2808       llvm_jit_libs=""
2809    fi
2810    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2811    if test "x$LLVM_LIBS" = "x"; then
2812           echo "$LLVM_CONFIG --libs failed."
2813           exit 1
2814    fi
2815    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2816    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2817    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2818       LLVM_LIBS="$LLVM_LIBS -lc++"
2819    else
2820       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2821    fi
2822
2823    expected_llvm_version="3.4svn-mono-mono/e656cac"
2824
2825    else
2826        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2827        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2828        LLVM_LDFLAGS="-L$with_llvm/lib"
2829        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2830        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2831          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2832          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2833          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2834          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2835          -lLLVMAnalysis -lLLVMTarget \
2836          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2837          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2838          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2839          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2840          -lLLVMSupport -lstdc++"
2841        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2842
2843        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2844        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2845    fi
2846
2847    if test "x$llvm_api_version" = "x"; then
2848           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2849           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2850    else
2851           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2852           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2853    fi
2854
2855    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2856
2857    AC_SUBST(LLVM_CFLAGS)
2858    AC_SUBST(LLVM_CXXFLAGS)
2859    AC_SUBST(LLVM_LIBS)
2860    AC_SUBST(LLVM_LDFLAGS)
2861    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2862 fi
2863
2864 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2865 if test "x$enable_loadedllvm" = "xyes"; then
2866    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2867 fi
2868 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2869
2870 if test "x$enable_llvm" = "xyes"; then
2871    enable_llvm_runtime=yes
2872 fi
2873 if test "x$enable_llvm_runtime" = "xyes"; then
2874    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2875 fi
2876 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2877
2878 TARGET="unknown"
2879 ACCESS_UNALIGNED="yes"
2880
2881 LIBC="libc.so.6"
2882 INTL="libc.so.6"
2883 SQLITE="libsqlite.so.0"
2884 SQLITE3="libsqlite3.so.0"
2885 X11="libX11.so"
2886 GDKX11="libgdk-x11-2.0.so.0"
2887 GTKX11="libgtk-x11-2.0.so.0"
2888 XINERAMA="libXinerama.so.1"
2889
2890 sizeof_register="SIZEOF_VOID_P"
2891
2892 jit_wanted=true
2893 boehm_supported=true
2894 case "$host" in
2895         mips*)
2896                 TARGET=MIPS;
2897                 arch_target=mips;
2898                 with_tls=pthread;
2899                 ACCESS_UNALIGNED="no"
2900
2901                 AC_MSG_CHECKING(for mips n32)
2902                 AC_TRY_COMPILE([],[
2903                 #if _MIPS_SIM != _ABIN32
2904                 #error Not mips n32
2905                 #endif
2906                 return 0;
2907                 ],[
2908                 AC_MSG_RESULT(yes)
2909                 sizeof_register=8
2910                 ],[
2911                 AC_MSG_RESULT(no)
2912                 ])
2913                 ;;
2914         i*86-*-*)
2915                 TARGET=X86;
2916                 arch_target=x86;
2917                 case $host_os in
2918                   solaris*)
2919                         LIBC="libc.so"
2920                         INTL="libintl.so"
2921                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2922                                 TARGET=AMD64
2923                                 arch_target=amd64
2924                         fi
2925
2926                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2927                         # int astruct __attribute__ ((visibility ("hidden")));
2928                         # void foo ()
2929                         # {
2930                         #       void *p = &astruct;
2931                         # }
2932                         # gcc -fPIC --shared -o libfoo.so foo.c
2933                         # yields:
2934                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2935                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2936                         have_visibility_hidden=no
2937                         ;;
2938                   mingw*|cygwin*)
2939                         have_visibility_hidden=no
2940                         ;;
2941                   haiku*)
2942                         LIBC=libroot.so
2943                         ;;
2944                   linux*)
2945                         AOT_SUPPORTED="yes"
2946                         ;;
2947                   darwin*)
2948                         AOT_SUPPORTED="yes"
2949                         ;;
2950                   openbsd*|freebsd*|kfreebsd-gnu*)
2951                         ;;
2952                 esac
2953                 ;;
2954         x86_64-*-* | amd64-*-*)
2955                 TARGET=AMD64;
2956                 arch_target=amd64;
2957                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2958                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2959                         sizeof_register=8
2960                 fi
2961                 case $host_os in
2962                   linux*)
2963                         AOT_SUPPORTED="yes"
2964                         ;;
2965                   darwin*)
2966                         AOT_SUPPORTED="yes"
2967                         ;;
2968                   openbsd*|freebsd*|kfreebsd-gnu*)
2969                         ;;
2970                   mingw*)
2971                         ;;
2972                 esac
2973                 case "$host" in
2974                         x86_64-*-nacl*)
2975                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2976                                 sizeof_register=8
2977                                 ;;
2978                 esac
2979                 ;;
2980         ia64-*-*)
2981                 TARGET=IA64
2982                 arch_target=ia64
2983                 ACCESS_UNALIGNED="no"
2984                 LIBC="libc.so.6.1"
2985                 INTL="libc.so.6.1"
2986                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2987                 libmono_ldflags="-lunwind"
2988                 ;;
2989         sparc*-*-*)
2990                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2991                    TARGET=SPARC64
2992                 else
2993                         TARGET=SPARC
2994                 fi
2995                 arch_target=sparc;
2996                 ACCESS_UNALIGNED="no"
2997                 case $host_os in
2998                   linux*) ;;
2999                   *)
3000                         LIBC="libc.so"
3001                         INTL="libintl.so"
3002                 esac
3003                 if test x"$GCC" = xyes; then
3004                         # We don't support v8 cpus
3005                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3006                 fi
3007                 if test x"$AR" = xfalse; then
3008                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3009                 fi
3010                 ;;
3011         *-mingw*|*-*-cygwin*)
3012                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3013                 have_visibility_hidden=no
3014                 INTL="intl"
3015                 ;;
3016         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3017         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3018                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3019                         TARGET=POWERPC64;
3020                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3021                         CFLAGS="$CFLAGS -mminimal-toc"
3022                 else
3023                         TARGET=POWERPC;
3024                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3025                 fi
3026                 arch_target=ppc;
3027                 case $host_os in
3028                   linux*|darwin*)
3029                         ;;
3030                 esac
3031                 ;;
3032         armv7k-*-darwin*)
3033                 TARGET=ARM;
3034                 TARGET_SYS=WATCHOS
3035                 arch_target=arm;
3036                 arm_fpu=VFP_HARD
3037                 ACCESS_UNALIGNED="no"
3038                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3039                 ;;
3040
3041         arm*-darwin*)
3042                 TARGET=ARM;
3043                 arch_target=arm;
3044                 ACCESS_UNALIGNED="no"
3045                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3046                 ;;
3047         arm*-linux*)
3048                 TARGET=ARM;
3049                 arch_target=arm;
3050                 ACCESS_UNALIGNED="no"
3051                 AOT_SUPPORTED="yes"
3052                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3053                 ;;
3054         arm*-netbsd*-eabi*)
3055                 TARGET=ARM;
3056                 arch_target=arm;
3057                 ACCESS_UNALIGNED="no"
3058                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3059                 ;;
3060 # TODO: make proper support for NaCl host.
3061 #        arm*-*nacl)
3062 #               TARGET=ARM;
3063 #               arch_target=arm;
3064 #               ACCESS_UNALIGNED="no"
3065 #               AOT_SUPPORTED="no"
3066 #               ;;
3067         aarch64-*)
3068                 # https://lkml.org/lkml/2012/7/15/133
3069                 TARGET=ARM64
3070                 arch_target=arm64
3071                 boehm_supported=false
3072                 AOT_SUPPORTED="yes"
3073                 ;;
3074         s390x-*-linux*)
3075                 TARGET=S390X;
3076                 arch_target=s390x;
3077                 ACCESS_UNALIGNED="yes"
3078                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3079                 ;;
3080 esac
3081
3082 HOST=$TARGET
3083
3084 if test "x$host" != "x$target"; then
3085    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3086    enable_mcs_build=no
3087    case "$target" in
3088    arm*-darwin*)
3089                 TARGET=ARM;
3090                 arch_target=arm;
3091                 ACCESS_UNALIGNED="no"
3092                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3093                 # Can't use tls, since it depends on the runtime detection of tls offsets
3094                 # in mono-compiler.h
3095                 with_tls=pthread
3096                 case "$target" in
3097                 armv7k-*)
3098                         arm_fpu=VFP_HARD
3099                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3100                         ;;
3101                 esac
3102                 ;;
3103    powerpc64-ps3-linux-gnu)
3104                 TARGET=POWERPC64
3105                 arch_target=powerpc64
3106                 AC_DEFINE(TARGET_PS3, 1, [...])
3107                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3108                 # uses this define
3109                 AC_DEFINE(__mono_ppc64__, 1, [...])
3110                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3111                 sizeof_register=8
3112                 target_byte_order=G_BIG_ENDIAN
3113                 ;;
3114    powerpc64-xbox360-linux-gnu)
3115                 TARGET=POWERPC64
3116                 arch_target=powerpc64
3117                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3118                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3119                 # uses this define
3120                 sizeof_register=8
3121                 target_byte_order=G_BIG_ENDIAN
3122                 ;;
3123    x86_64-*-nacl)
3124                 TARGET=AMD64
3125                 arch_target=amd64
3126                 AC_DEFINE(TARGET_AMD64, 1, [...])
3127                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3128                 sizeof_register=8
3129                 ;;
3130 # TODO: make proper support for NaCl target.
3131 #   arm*-*nacl)
3132 #               TARGET=ARM
3133 #               arch_target=arm
3134 #               AC_DEFINE(TARGET_ARM, 1, [...])
3135 #               ACCESS_UNALIGNED="no"
3136 #               sizeof_register=4
3137 #               CPPFLAGS="$CPPFLAGS \
3138 #                    -D__ARM_EABI__ \
3139 #                    -D__arm__ \
3140 #                    -D__portable_native_client__ \
3141 #                    -Dtimezone=_timezone \
3142 #                    -DDISABLE_SOCKETS \
3143 #                    -DDISABLE_ATTACH \
3144 #                    -DUSE_NEWLIB"
3145                 # Can't use tls, since it depends on the runtime detection of tls offsets
3146                 # in mono-compiler.h
3147 #               with_tls=pthread
3148 #               ;;
3149    i686-*-nacl)
3150                 TARGET=X86
3151                 arch_target=x86
3152                 AC_DEFINE(TARGET_X86, 1, [...])
3153                 sizeof_register=4
3154                 ;;
3155    arm*-linux-*)
3156                 TARGET=ARM;
3157                 arch_target=arm;
3158                 AC_DEFINE(TARGET_ARM, 1, [...])
3159                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3160                 ACCESS_UNALIGNED="no"
3161                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3162                 # Can't use tls, since it depends on the runtime detection of tls offsets
3163                 # in mono-compiler.h
3164                 with_tls=pthread
3165                 target_mach=no
3166                 case "$target" in
3167                 armv7l-unknown-linux-gnueabi*)
3168                         # TEGRA
3169                         CPPFLAGS="$CPPFLAGS"
3170                         ;;
3171                 armv5-*-linux-androideabi*)
3172                         CPPFLAGS="$CPPFLAGS"
3173                         ;;
3174                 esac
3175                 ;;
3176    arm*-netbsd*-eabi*)
3177                 TARGET=ARM;
3178                 arch_target=arm;
3179                 AC_DEFINE(TARGET_ARM, 1, [...])
3180                 ACCESS_UNALIGNED="no"
3181                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3182                 # Can't use tls, since it depends on the runtime detection of tls offsets
3183                 # in mono-compiler.h
3184                 with_tls=pthread
3185                 target_mach=no
3186                 ;;
3187    i686*-linux-*)
3188                 TARGET=X86;
3189                 arch_target=x86;
3190                 AC_DEFINE(TARGET_X86, 1, [...])
3191                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3192                 CPPFLAGS="$CPPFLAGS"
3193                 # Can't use tls, since it depends on the runtime detection of tls offsets
3194                 # in mono-compiler.h
3195                 with_tls=pthread
3196                 target_mach=no
3197                 ;;
3198    x86_64*-linux-*)
3199                 TARGET=AMD64;
3200                 arch_target=amd64;
3201                 AC_DEFINE(TARGET_AMD64, 1, [...])
3202                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3203                 CPPFLAGS="$CPPFLAGS"
3204                 # Can't use tls, since it depends on the runtime detection of tls offsets
3205                 # in mono-compiler.h
3206                 with_tls=pthread
3207                 target_mach=no
3208                 ;;
3209    x86_64-ps4-freebsd)
3210                 TARGET=AMD64;
3211                 arch_target=amd64;
3212                 AC_DEFINE(TARGET_AMD64, 1, [...])
3213                 AC_DEFINE(TARGET_PS4, 1, [...])
3214                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3215                 CPPFLAGS="$CPPFLAGS"
3216                 # Can't use tls, since it depends on the runtime detection of tls offsets
3217                 # in mono-compiler.h
3218                 with_tls=pthread
3219                 target_mach=no
3220                 target_win32=no
3221                 ;;
3222    aarch64*-linux-*)
3223                 TARGET=ARM64;
3224                 arch_target=arm64;
3225                 AC_DEFINE(TARGET_ARM64, 1, [...])
3226                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3227                 CPPFLAGS="$CPPFLAGS"
3228                 # Can't use tls, since it depends on the runtime detection of tls offsets
3229                 # in mono-compiler.h
3230                 with_tls=pthread
3231                 target_mach=no
3232                 ;;
3233         aarch64-*)
3234                 TARGET=ARM64
3235                 ;;
3236         *)
3237                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3238         esac
3239 fi
3240
3241 case "$TARGET" in
3242 X86)
3243         AC_DEFINE(TARGET_X86, 1, [...])
3244         ;;
3245 AMD64)
3246         AC_DEFINE(TARGET_AMD64, 1, [...])
3247         ;;
3248 ARM)
3249         AC_DEFINE(TARGET_ARM, 1, [...])
3250         ;;
3251 ARM64)
3252         AC_DEFINE(TARGET_ARM64, 1, [...])
3253         ;;
3254 POWERPC)
3255         AC_DEFINE(TARGET_POWERPC, 1, [...])
3256         ;;
3257 POWERPC64)
3258         AC_DEFINE(TARGET_POWERPC, 1, [...])
3259         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3260         ;;
3261 S390X)
3262         AC_DEFINE(TARGET_S390X, 1, [...])
3263         ;;
3264 MIPS)
3265         AC_DEFINE(TARGET_MIPS, 1, [...])
3266         ;;
3267 IA64)
3268         AC_DEFINE(TARGET_IA64, 1, [...])
3269         ;;
3270 SPARC)
3271         AC_DEFINE(TARGET_SPARC, 1, [...])
3272         ;;
3273 SPARC64)
3274         AC_DEFINE(TARGET_SPARC64, 1, [...])
3275         ;;
3276 esac
3277
3278 case "$HOST" in
3279 X86)
3280         AC_DEFINE(HOST_X86, 1, [...])
3281         ;;
3282 AMD64)
3283         AC_DEFINE(HOST_AMD64, 1, [...])
3284         ;;
3285 ARM)
3286         AC_DEFINE(HOST_ARM, 1, [...])
3287         ;;
3288 ARM64)
3289         AC_DEFINE(HOST_ARM64, 1, [...])
3290         ;;
3291 POWERPC)
3292         AC_DEFINE(HOST_POWERPC, 1, [...])
3293         ;;
3294 POWERPC64)
3295         AC_DEFINE(HOST_POWERPC, 1, [...])
3296         AC_DEFINE(HOST_POWERPC64, 1, [...])
3297         ;;
3298 S390X)
3299         AC_DEFINE(HOST_S390X, 1, [...])
3300         ;;
3301 MIPS)
3302         AC_DEFINE(HOST_MIPS, 1, [...])
3303         ;;
3304 IA64)
3305         AC_DEFINE(HOST_IA64, 1, [...])
3306         ;;
3307 SPARC)
3308         AC_DEFINE(HOST_SPARC, 1, [...])
3309         ;;
3310 SPARC64)
3311         AC_DEFINE(HOST_SPARC64, 1, [...])
3312         ;;
3313 esac
3314
3315
3316
3317 dnl *************
3318 dnl *** VTUNE ***
3319 dnl *************
3320
3321 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3322 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3323
3324 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3325
3326 if test "x$enable_vtune" = "xyes"; then
3327         if test "x$with_vtune" = "x"; then
3328                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3329         else
3330                 VTUNE_PATH=$with_vtune
3331         fi
3332         VTUNE_INCLUDE=$VTUNE_PATH/include
3333         case "$TARGET" in
3334         X86)
3335                 VTUNE_LIB=$VTUNE_PATH/lib32
3336                 ;;
3337         AMD64)
3338                 VTUNE_LIB=$VTUNE_PATH/lib64
3339                 ;;
3340         *)
3341                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3342                 ;;
3343         esac
3344         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3345                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3346         fi
3347         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3348                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3349         fi
3350
3351         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3352         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3353
3354         AC_SUBST(VTUNE_LIBS)
3355         AC_SUBST(VTUNE_CFLAGS)
3356 fi
3357 dnl Use GCC atomic ops if they work on the target.
3358 if test x$GCC = "xyes"; then
3359         case $TARGET in
3360         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3361                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3362                 ;;
3363         esac
3364 fi
3365
3366 if test "x$target_mach" = "xyes"; then
3367
3368    if test "x$TARGET_SYS" = "xWATCHOS"; then
3369           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3370           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3371           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3372    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3373           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3374           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3375           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3376    else
3377        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3378        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3379        #error fail this for ios
3380        #endif
3381        return 0;
3382        ], [
3383                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3384           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3385           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3386        ], [
3387           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3388           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3389           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3390        ])
3391         fi
3392    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3393 fi
3394
3395 if test "x$sizeof_register" = "x4"; then
3396    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3397 elif test "x$sizeof_register" = "x8"; then
3398    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3399 else
3400    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3401 fi
3402
3403 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3404    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3405 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3406    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3407 else
3408    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3409 fi
3410
3411 if test "x$have_visibility_hidden" = "xyes"; then
3412    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3413 fi
3414
3415 if test "x$have_deprecated" = "xyes"; then
3416    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3417 fi
3418
3419 dnl
3420 dnl Simple Generational checks (sgen)
3421 dnl
3422 SGEN_DEFINES=
3423 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3424 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3425 if test x$buildsgen = xyes; then
3426    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3427    SGEN_DEFINES="-DHAVE_SGEN_GC"
3428
3429         conc_gc_msg=""
3430    if test x$with_sgen_default_concurrent != xno; then
3431        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3432            conc_gc_msg=" (concurrent by default)"
3433    fi
3434
3435    if test "x$gc_msg" = "x"; then
3436       gc_msg="sgen$conc_gc_msg"
3437    else
3438       gc_msg="sgen$conc_gc_msg and $gc_msg"
3439    fi
3440 fi
3441 AC_SUBST(SGEN_DEFINES)
3442 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3443
3444 jit_status="Building and using the JIT"
3445
3446 libsuffix=".so"
3447
3448 case "$host" in
3449      *-*-darwin*)
3450         libsuffix=".dylib"
3451         LIBC="libc.dylib"
3452         INTL="libintl.dylib"
3453         SQLITE="libsqlite.0.dylib"
3454         SQLITE3="libsqlite3.0.dylib"
3455         X11="libX11.dylib"
3456         GDKX11="libgdk-x11-2.0.dylib"
3457         GTKX11="libgtk-x11-2.0.dylib"
3458         ;;
3459      *-*-*netbsd*)
3460         LIBC="libc.so"
3461         INTL="libintl.so"
3462         SQLITE="libsqlite.so"
3463         SQLITE3="libsqlite3.so"
3464         ;;
3465      *-*-kfreebsd*-gnu)
3466         LIBC="libc.so.0.1"
3467         INTL="libc.so.0.1"
3468         X11="libX11.so.6"
3469         ;;
3470     *-*-*freebsd*)
3471         LIBC="libc.so.7"
3472         INTL="libintl.so"
3473         SQLITE="libsqlite.so"
3474         SQLITE3="libsqlite3.so"
3475         ;;
3476     *-*-*openbsd*)
3477         LIBC="libc.so"
3478         INTL="libintl.so"
3479         SQLITE="libsqlite.so"
3480         SQLITE3="libsqlite3.so"
3481         ;;
3482     *-*-*linux*)
3483         AC_PATH_X
3484         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3485         AC_MSG_CHECKING(for the soname of libX11.so)
3486         for i in $x_libraries $dlsearch_path; do
3487                 for r in 4 5 6; do
3488                         if test -f $i/libX11.so.$r; then
3489                                 X11=libX11.so.$r
3490                                 AC_MSG_RESULT($X11)
3491                         fi
3492                 done
3493         done
3494
3495         if test "x$X11" = "xlibX11.so"; then
3496                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3497                 X11=libX11.so.6
3498         fi
3499         ;;
3500 esac
3501
3502
3503 AC_SUBST(libsuffix)
3504
3505 AC_ARG_WITH([libgdiplus],
3506         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3507         [], [with_libgdiplus=installed])
3508
3509 # default install location
3510 libgdiplus_install_loc=libgdiplus${libsuffix}
3511 case "$host" in
3512     *-*-*linux*)
3513     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3514     ;;
3515 esac
3516
3517 case $with_libgdiplus in
3518     no|installed)
3519     libgdiplus_loc=
3520     ;;
3521
3522     yes|sibling)
3523     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3524     ;;
3525
3526     /*) # absolute path, assume it is an install location
3527     libgdiplus_loc=$with_libgdiplus
3528     libgdiplus_install_loc=$with_libgdiplus
3529     ;;
3530
3531     *)
3532     libgdiplus_loc=`pwd`/$with_libgdiplus
3533     ;;
3534 esac
3535 AC_SUBST([libgdiplus_loc])
3536 AC_SUBST([libgdiplus_install_loc])
3537
3538 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3539 if test "x$icall_symbol_map" = "xyes"; then
3540    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3541 fi
3542
3543 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3544 if test "x$icall_export" = "xyes"; then
3545    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3546 fi
3547
3548 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3549 if test "x$icall_tables" = "xno"; then
3550    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3551 fi
3552
3553 if test "x$with_tls" = "x__thread"; then
3554         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3555         # Pass the information to libgc
3556         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3557         AC_MSG_CHECKING(if the tls_model attribute is supported)
3558         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3559                 ], [
3560                         AC_MSG_RESULT(yes)
3561                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3562                 ], [
3563                         AC_MSG_RESULT(no)
3564         ])
3565 fi
3566
3567 if test ${TARGET} = ARM; then
3568         dnl ******************************************
3569         dnl *** Check to see what FPU is available ***
3570         dnl ******************************************
3571         AC_MSG_CHECKING(which FPU to use)
3572
3573         #
3574         # This is a bit tricky:
3575         #
3576         # if (__ARM_PCS_VFP) {
3577         #       /* mfloat-abi=hard == VFP with hard ABI */
3578         # } elif (!__SOFTFP__) {
3579         #       /* mfloat-abi=softfp == VFP with soft ABI */
3580         # } else {
3581         #       /* mfloat-abi=soft == no VFP */
3582         # }
3583         #
3584         # The exception is iOS (w/ GCC) where none of the above
3585         # are defined (but iOS always uses the 'softfp' ABI).
3586         #
3587         # No support for FPA.
3588         #
3589
3590         fpu=NONE
3591
3592         # iOS GCC always uses the 'softfp' ABI.
3593         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3594                 fpu=VFP
3595         fi
3596
3597         # Are we using the 'hard' ABI?
3598         if test x$fpu = xNONE; then
3599                 AC_TRY_COMPILE([], [
3600                         #ifndef __ARM_PCS_VFP
3601                         #error "Float ABI is not 'hard'"
3602                         #endif
3603                         return 0;
3604                 ], [
3605                         fpu=VFP_HARD
3606                 ], [
3607                         fpu=NONE
3608                 ])
3609         fi
3610
3611         # No 'hard' ABI. 'soft' or 'softfp'?
3612         if test x$fpu = xNONE; then
3613                 AC_TRY_COMPILE([], [
3614                         #ifdef __SOFTFP__
3615                         #error "Float ABI is not 'softfp'"
3616                         #endif
3617                         return 0;
3618                 ], [
3619                         fpu=VFP
3620                 ], [
3621                         fpu=NONE
3622                 ])
3623         fi
3624
3625         if test x$arm_fpu != x; then
3626            fpu=$arm_fpu
3627         fi
3628
3629         AC_MSG_RESULT($fpu)
3630         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3631         unset fpu
3632
3633         dnl *********************************************
3634         dnl *** Check which ARM version(s) we can use ***
3635         dnl *********************************************
3636         AC_MSG_CHECKING(which ARM version to use)
3637
3638         AC_TRY_COMPILE([], [
3639                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3640                 #error Not on ARM v5.
3641                 #endif
3642                 return 0;
3643         ], [
3644                 arm_v5=yes
3645
3646                 arm_ver=ARMv5
3647         ], [])
3648
3649         AC_TRY_COMPILE([], [
3650                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3651                 #error Not on ARM v6.
3652                 #endif
3653                 return 0;
3654         ], [
3655                 arm_v5=yes
3656                 arm_v6=yes
3657
3658                 arm_ver=ARMv6
3659         ], [])
3660
3661         AC_TRY_COMPILE([], [
3662                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3663                 #error Not on ARM v7.
3664                 #endif
3665                 return 0;
3666         ], [
3667                 arm_v5=yes
3668                 arm_v6=yes
3669                 arm_v7=yes
3670
3671                 arm_ver=ARMv7
3672         ], [])
3673
3674         AC_MSG_RESULT($arm_ver)
3675
3676         if test x$arm_v5 = xyes; then
3677                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3678                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3679         fi
3680
3681         if test x$arm_v6 = xyes; then
3682                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3683                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3684         fi
3685
3686         if test x$arm_v7 = xyes; then
3687                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3688                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3689         fi
3690 fi
3691
3692 if test ${TARGET} = unknown; then
3693         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3694         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3695 fi
3696
3697 if test ${ACCESS_UNALIGNED} = no; then
3698         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3699 fi
3700
3701 case "x$libgc" in
3702         xincluded)
3703                 # Pass CPPFLAGS to libgc configure
3704                 # We should use a separate variable for this to avoid passing useless and
3705                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3706                 # This should be executed late so we pick up the final version of CPPFLAGS
3707                 # The problem with this approach, is that during a reconfigure, the main
3708                 # configure scripts gets invoked with these arguments, so we use separate
3709                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3710                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3711                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3712                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3713                 fi
3714                 # Don't pass -finstrument-for-thread-suspension in,
3715                 # if these are instrumented it will be very bad news
3716                 # (infinite recursion, undefined parking behavior, etc)
3717                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3718                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3719                 if test "x$support_boehm" = "xyes"; then
3720                         AC_CONFIG_SUBDIRS(libgc)
3721                 fi
3722                 ;;
3723 esac
3724
3725 MALLOC_MEMPOOLS=no
3726 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3727         if test x$with_malloc_mempools = xyes; then
3728                 MALLOC_MEMPOOLS=yes
3729                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3730         fi
3731 ])
3732
3733
3734 DISABLE_MCS_DOCS=default
3735 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3736         if test x$with_mcs_docs != xyes; then
3737                 DISABLE_MCS_DOCS=yes
3738         fi
3739 ])
3740 if test -z "$INSTALL_4_x_TRUE"; then :
3741         DISABLE_MCS_DOCS=yes
3742 fi
3743 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3744    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3745 fi
3746
3747 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3748         if test x$with_lazy_gc_thread_creation != xno ; then
3749                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3750         fi
3751 ], [with_lazy_gc_thread_creation=no])
3752
3753 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])
3754
3755 if test x$with_cooperative_gc = xdefault; then
3756         with_cooperative_gc=$with_cooperative_gc_default
3757 fi
3758
3759 if test x$with_cooperative_gc != xno; then
3760         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3761 fi
3762
3763 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3764
3765 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],[
3766
3767         if test x$enable_checked_build != x ; then
3768                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3769         fi
3770         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3771                 eval "mono_checked_build_test_enable_$feature='yes'"
3772         done
3773
3774         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3775                 eval "mono_checked_build_test_enable_gc='yes'"
3776                 eval "mono_checked_build_test_enable_metadata='yes'"
3777                 eval "mono_checked_build_test_enable_thread='yes'"
3778         fi
3779
3780         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3781                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3782         fi
3783
3784         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3785                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3786         fi
3787
3788         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3789                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3790         fi
3791
3792 ], [])
3793
3794 AC_CHECK_HEADER([malloc.h],
3795                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3796                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3797
3798 if test x"$GCC" = xyes; then
3799         # Implicit function declarations are not 64 bit safe
3800         # Do this late, since this causes lots of configure tests to fail
3801         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3802         # jay has a lot of implicit declarations
3803         JAY_CFLAGS="-Wno-implicit-function-declaration"
3804 fi
3805
3806 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3807 # instead of libmono-static.a
3808 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3809    LIBMONO_LA=libmini-static.la
3810 else
3811    if test x$buildsgen = xyes; then
3812       LIBMONO_LA=libmonosgen-$API_VER.la
3813    else
3814       LIBMONO_LA=libmonoboehm-$API_VER.la
3815    fi
3816 fi
3817 AC_SUBST(LIBMONO_LA)
3818
3819 if test x$DISABLE_MCS_DOCS = xyes; then
3820    docs_dir=""
3821 else
3822    docs_dir=docs
3823 fi
3824 AC_SUBST(docs_dir)
3825
3826 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3827 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3828
3829 libmono_ldflags="$libmono_ldflags $LIBS"
3830
3831 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3832 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3833 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3834 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3835 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3836 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3837 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3838 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3839 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3840 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3841 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3842 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3843 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3844 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3845 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3846 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3847 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3848 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3849
3850 AC_SUBST(LIBC)
3851 AC_SUBST(INTL)
3852 AC_SUBST(SQLITE)
3853 AC_SUBST(SQLITE3)
3854 AC_SUBST(X11)
3855 AC_SUBST(GDKX11)
3856 AC_SUBST(GTKX11)
3857 AC_SUBST(XINERAMA)
3858 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
3859 AC_SUBST(arch_target)
3860 AC_SUBST(CFLAGS)
3861 AC_SUBST(CPPFLAGS)
3862 AC_SUBST(LDFLAGS)
3863
3864 #This must always be defined when building the runtime
3865 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
3866
3867 mono_build_root=`pwd`
3868 AC_SUBST(mono_build_root)
3869
3870 mono_runtime=mono/mini/mono
3871 AC_SUBST(mono_runtime)
3872
3873 mono_cfg_root=$mono_build_root/runtime
3874 if test x$host_win32 = xyes; then
3875   if test "x$cross_compiling" = "xno"; then
3876     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3877   else
3878     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3879   fi
3880 else
3881   mono_cfg_dir=$mono_cfg_root/etc
3882 fi
3883 AC_SUBST(mono_cfg_dir)
3884
3885 AC_CONFIG_FILES([po/mcs/Makefile.in])
3886
3887 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3888 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3889
3890 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3891 [   depth=../../../..
3892     case $srcdir in
3893     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3894     .) reldir=$depth ;;
3895     *) reldir=$depth/$srcdir ;;
3896     esac
3897     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3898     cd runtime/etc/mono/1.0
3899     rm -f machine.config
3900     $LN_S $reldir/data/net_1_1/machine.config machine.config
3901     cd $depth
3902 ],[LN_S='$LN_S'])
3903
3904 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3905 [   depth=../../../..
3906     case $srcdir in
3907     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3908     .) reldir=$depth ;;
3909     *) reldir=$depth/$srcdir ;;
3910     esac
3911     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3912     cd runtime/etc/mono/2.0
3913     rm -f machine.config
3914     $LN_S $reldir/data/net_2_0/machine.config machine.config
3915     cd $depth
3916 ],[LN_S='$LN_S'])
3917
3918 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3919 [   depth=../../../..
3920     case $srcdir in
3921     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3922     .) reldir=$depth ;;
3923     *) reldir=$depth/$srcdir ;;
3924     esac
3925     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3926     cd runtime/etc/mono/2.0
3927     rm -f web.config
3928     $LN_S $reldir/data/net_2_0/web.config web.config
3929     cd $depth
3930 ],[LN_S='$LN_S'])
3931
3932 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3933 [   depth=../../..
3934     case $srcdir in
3935     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3936     .) reldir=$depth ;;
3937     *) reldir=$depth/$srcdir ;;
3938     esac
3939     $ac_aux_dir/install-sh -d runtime/etc/mono/
3940     cd runtime/etc/mono/
3941     rm -f browscap.ini
3942     $LN_S $reldir/data/browscap.ini browscap.ini
3943     cd $depth
3944 ],[LN_S='$LN_S'])
3945
3946 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3947 [   depth=../../../../..
3948     case $srcdir in
3949     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3950     .) reldir=$depth ;;
3951     *) reldir=$depth/$srcdir ;;
3952     esac
3953     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3954     cd runtime/etc/mono/2.0/Browsers
3955     rm -f Compat.browser
3956     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3957     cd $depth
3958 ],[LN_S='$LN_S'])
3959
3960 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3961 [   depth=../../../../..
3962     case $srcdir in
3963     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3964     .) reldir=$depth ;;
3965     *) reldir=$depth/$srcdir ;;
3966     esac
3967     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3968     cd runtime/etc/mono/4.0/Browsers
3969     rm -f Compat.browser
3970     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3971     cd $depth
3972 ],[LN_S='$LN_S'])
3973
3974 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3975 [   depth=../../../../..
3976     case $srcdir in
3977     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3978     .) reldir=$depth ;;
3979     *) reldir=$depth/$srcdir ;;
3980     esac
3981     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3982     cd runtime/etc/mono/4.5/Browsers
3983     rm -f Compat.browser
3984     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3985     cd $depth
3986 ],[LN_S='$LN_S'])
3987
3988 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3989 [   depth=../../../..
3990     case $srcdir in
3991     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3992     .) reldir=$depth ;;
3993     *) reldir=$depth/$srcdir ;;
3994     esac
3995     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3996     cd runtime/etc/mono/4.0
3997     rm -f machine.config
3998     $LN_S $reldir/data/net_4_0/machine.config machine.config
3999     cd $depth
4000 ],[LN_S='$LN_S'])
4001
4002 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4003 [   depth=../../../..
4004     case $srcdir in
4005     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4006     .) reldir=$depth ;;
4007     *) reldir=$depth/$srcdir ;;
4008     esac
4009     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4010     cd runtime/etc/mono/4.0
4011     rm -f web.config
4012     $LN_S $reldir/data/net_4_0/web.config web.config
4013     cd $depth
4014 ],[LN_S='$LN_S'])
4015
4016 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4017 [   depth=../../../..
4018     case $srcdir in
4019     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4020     .) reldir=$depth ;;
4021     *) reldir=$depth/$srcdir ;;
4022     esac
4023     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4024     cd runtime/etc/mono/4.5
4025     rm -f machine.config
4026     $LN_S $reldir/data/net_4_5/machine.config machine.config
4027     cd $depth
4028 ],[LN_S='$LN_S'])
4029
4030 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4031 [   depth=../../../..
4032     case $srcdir in
4033     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4034     .) reldir=$depth ;;
4035     *) reldir=$depth/$srcdir ;;
4036     esac
4037     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4038     cd runtime/etc/mono/4.5
4039     rm -f web.config
4040     $LN_S $reldir/data/net_4_5/web.config web.config
4041     cd $depth
4042 ],[LN_S='$LN_S'])
4043
4044 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])
4045 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])
4046
4047 AC_OUTPUT([
4048 Makefile
4049 mono-uninstalled.pc
4050 acceptance-tests/Makefile
4051 llvm/Makefile
4052 scripts/mono-find-provides
4053 scripts/mono-find-requires
4054 mono/Makefile
4055 mono/utils/Makefile
4056 mono/metadata/Makefile
4057 mono/dis/Makefile
4058 mono/cil/Makefile
4059 mono/arch/Makefile
4060 mono/arch/x86/Makefile
4061 mono/arch/amd64/Makefile
4062 mono/arch/ppc/Makefile
4063 mono/arch/sparc/Makefile
4064 mono/arch/s390x/Makefile
4065 mono/arch/arm/Makefile
4066 mono/arch/arm64/Makefile
4067 mono/arch/ia64/Makefile
4068 mono/arch/mips/Makefile
4069 mono/sgen/Makefile
4070 mono/tests/Makefile
4071 mono/tests/tests-config
4072 mono/tests/assemblyresolve/Makefile
4073 mono/tests/gc-descriptors/Makefile
4074 mono/unit-tests/Makefile
4075 mono/benchmark/Makefile
4076 mono/io-layer/Makefile
4077 mono/mini/Makefile
4078 mono/profiler/Makefile
4079 m4/Makefile
4080 ikvm-native/Makefile
4081 scripts/Makefile
4082 man/Makefile
4083 docs/Makefile
4084 data/Makefile
4085 data/net_2_0/Makefile
4086 data/net_4_0/Makefile
4087 data/net_4_5/Makefile
4088 data/net_2_0/Browsers/Makefile
4089 data/net_4_0/Browsers/Makefile
4090 data/net_4_5/Browsers/Makefile
4091 data/mint.pc
4092 data/mono-2.pc
4093 data/monosgen-2.pc
4094 data/mono.pc
4095 data/mono-cairo.pc
4096 data/mono-nunit.pc
4097 data/mono-options.pc
4098 data/mono-lineeditor.pc
4099 data/monodoc.pc
4100 data/dotnet.pc
4101 data/dotnet35.pc
4102 data/wcf.pc
4103 data/cecil.pc
4104 data/system.web.extensions_1.0.pc
4105 data/system.web.extensions.design_1.0.pc
4106 data/system.web.mvc.pc
4107 data/system.web.mvc2.pc
4108 data/system.web.mvc3.pc
4109 data/aspnetwebstack.pc
4110 data/reactive.pc
4111 samples/Makefile
4112 support/Makefile
4113 data/config
4114 tools/Makefile
4115 tools/locale-builder/Makefile
4116 tools/sgen/Makefile
4117 tools/monograph/Makefile
4118 tools/pedump/Makefile
4119 runtime/Makefile
4120 msvc/Makefile
4121 po/Makefile
4122 ])
4123
4124 # Update all submodules recursively to ensure everything is checked out
4125 $srcdir/scripts/update_submodules
4126
4127 if test x$host_win32 = xyes; then
4128    # Get rid of 'cyg' prefixes in library names
4129    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4130    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4131    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4132    # executable doesn't work...
4133    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4134 fi
4135
4136 if test x$host_darwin = xyes; then
4137    # This doesn't seem to be required and it slows down parallel builds
4138    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4139 fi
4140
4141 (
4142   case $prefix in
4143   NONE) prefix=$ac_default_prefix ;;
4144   esac
4145   case $exec_prefix in
4146   NONE) exec_prefix='${prefix}' ;;
4147   esac
4148
4149   #
4150   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4151   # any existing config.make.  This allows people to share the same source tree
4152   # with different build directories, one native and one cross
4153   #
4154   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4155
4156     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4157
4158     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4159     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4160     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4161     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4162     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4163     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4164     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4165     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4166
4167     case $INSTALL in
4168     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4169     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4170     esac
4171
4172     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4173
4174     export VERSION
4175     [myver=$($AWK 'BEGIN {
4176       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4177       if(length(vsplit [1]) > 4) {
4178         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4179       }
4180       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4181     }')]
4182
4183     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4184
4185     if test x$host_darwin = xyes; then
4186       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4187     fi
4188
4189         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4190            enable_system_aot=yes
4191         fi
4192
4193     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4194       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4195     fi
4196
4197     if test x$DISABLE_MCS_DOCS = xyes; then
4198       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4199     fi
4200
4201     if test x$has_extension_module != xno; then
4202         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4203     fi
4204
4205     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4206
4207     if test "x$test_bcl_opt" = "xyes"; then
4208       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4209     fi
4210
4211   fi
4212
4213 )
4214
4215 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4216
4217 echo "
4218         mcs source:    $mcsdir
4219
4220    Engine:
4221         Host:          $host
4222         Target:        $target
4223         GC:            $gc_msg
4224         TLS:           $with_tls
4225         SIGALTSTACK:   $with_sigaltstack
4226         Engine:        $jit_status
4227         BigArrays:     $enable_big_arrays
4228         DTrace:        $enable_dtrace
4229         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4230
4231    Libraries:
4232         .NET 4.x:        $with_profile4_x
4233         Xamarin.Android: $with_monodroid
4234         Xamarin.iOS:     $with_monotouch
4235         Xamarin.WatchOS: $with_monotouch_watch
4236         Xamarin.TVOS:    $with_monotouch_tv
4237         Xamarin.Mac:     $with_xammac
4238         mobile_static:   $with_mobile_static
4239         JNI support:     $jdk_headers_found
4240         libgdiplus:      $libgdiplus_msg
4241         zlib:            $zlib_msg
4242         $disabled
4243 "
4244 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4245    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4246 fi