configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 # when bumping version number below, keep it in sync with man/mono.1 too
   5 AC_INIT(mono, [4.9.0],
   6         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   7
   8 AC_CONFIG_SRCDIR([README.md])
   9 AC_CONFIG_MACRO_DIR([m4])
  10 AC_CANONICAL_SYSTEM
  11 AC_CANONICAL_HOST
  12
  13 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  14 # The extra brackets are to foil regex-based scans.
  15 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  16
  17 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects]
  18                  m4_esyscmd([case `automake --version | head -n 1` in    # parallel-tests is default in automake 1.13+, we need to explicitly enable it
  19                              *1.11*|*1.12*) echo parallel-tests;;        # for 1.11 and 1.12 but not below as those versions don't recognize the flag
  20                              esac]))                                     # TODO: remove this hack once we require automake 1.11+
  21
  22 AC_CONFIG_HEADERS([config.h])
  23 AM_MAINTAINER_MODE
  24
  25 API_VER=2.0
  26 AC_SUBST(API_VER)
  27
  28 AC_PROG_LN_S
  29
  30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  31
  32 case $host_os in
  33 *cygwin* )
  34                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  35                  exit 1
  36 esac
  37
  38 # In case of cygwin, override LN_S, irrespective of what it determines.
  39 # The build uses cygwin, but the actual runtime doesn't.
  40 case $host_os in
  41 *cygwin* ) LN_S='cp -p';;
  42 esac
  43
  44 #
  45 # libgc defaults
  46 #
  47 libgc_configure_args=
  48
  49 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  50 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  51 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  52 CFLAGS_FOR_LIBGC=$CFLAGS
  53 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  54 CFLAGS_FOR_EGLIB=$CFLAGS
  55 CPPFLAGS_FOR_BTLS=$CPPFLAGS
  56 CFLAGS_FOR_BTLS=$CFLAGS
  57
  58 # libgc uses some deprecated APIs
  59 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  60
  61 #
  62 # These are the flags that need to be stored in the mono.pc file for
  63 # compiling code that will embed Mono
  64 #
  65 libmono_cflags=""
  66 libmono_ldflags=""
  67 AC_SUBST(libmono_cflags)
  68 AC_SUBST(libmono_ldflags)
  69
  70 # Variable to have relocatable .pc files (lib, or lib64)
  71 reloc_libdir=`basename ${libdir}`
  72 AC_SUBST(reloc_libdir)
  73
  74 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  75 need_link_unlink=no
  76
  77 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  78 extra_runtime_ldflags=""
  79
  80 # Thread configuration inspired by sleepycat's db
  81 AC_MSG_CHECKING([host platform characteristics])
  82 libgc_threads=no
  83 has_dtrace=no
  84 parallel_mark=yes
  85 ikvm_native=yes
  86
  87 host_win32=no
  88 target_win32=no
  89 platform_android=no
  90 host_darwin=no
  91 case "$host" in
  92         *-mingw*|*-*-cygwin*)
  93                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
  94                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
  95                 host_win32=yes
  96                 mono_cv_clang=no
  97                 if test "x$cross_compiling" = "xno"; then
  98                         if test "x$host" = "x$build" -a "x$host" = "x$target"; then
  99                                 target_win32=yes
 100                         fi
 101                 else
 102                         if test "x$host" = "x$target"; then
 103                                 target_win32=yes
 104                         fi
 105                 fi
 106                 HOST_CC="gcc"
 107                 # Windows Vista or later is required
 108                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 109                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 110                 libmono_cflags="-mms-bitfields -mwindows"
 111                 libmono_ldflags="-mms-bitfields -mwindows"
 112                 libdl=
 113                 libgc_threads=win32
 114                 with_sigaltstack=no
 115                 with_tls=pthread
 116                 LN_S=cp
 117                 # This forces libgc to use the DllMain based thread registration code on win32
 118                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 119                 ;;
 120         *-*-*netbsd*)
 121                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 122                 libmono_cflags="-D_REENTRANT"
 123                 LDFLAGS="$LDFLAGS -pthread"
 124                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 125                 libmono_ldflags="-pthread"
 126                 need_link_unlink=yes
 127                 libdl="-ldl"
 128                 libgc_threads=pthreads
 129                 with_sigaltstack=no
 130                 use_sigposix=yes
 131                 ;;
 132         *-*-kfreebsd*-gnu)
 133                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 134                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 135                 libmono_ldflags="-lpthread -pthread"
 136                 libdl="-ldl"
 137                 libgc_threads=pthreads
 138                 need_link_unlink=yes
 139                 with_sigaltstack=no
 140                 use_sigposix=yes
 141                 ;;
 142         *-*-*freebsd*)
 143                 if test "x$PTHREAD_CFLAGS" = "x"; then
 144                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 145                         libmono_cflags=
 146                 else
 147                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 148                         libmono_cflags="$PTHREAD_CFLAGS"
 149                 fi
 150                 if test "x$PTHREAD_LIBS" = "x"; then
 151                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 152                         libmono_ldflags="-pthread"
 153                 else
 154                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 155                         libmono_ldflags="$PTHREAD_LIBS"
 156                 fi
 157                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 158                 need_link_unlink=yes
 159                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 160                 libdl=
 161                 libgc_threads=pthreads
 162                 use_sigposix=yes
 163                 has_dtrace=yes
 164                 ;;
 165         *-*-*openbsd*)
 166                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 167                 if test "x$disable_munmap" != "xyes"; then
 168                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 169                 fi
 170                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 171                 LDFLAGS="$LDFLAGS -pthread"
 172                 need_link_unlink=yes
 173                 AC_DEFINE(PTHREAD_POINTER_ID)
 174                 libdl=
 175                 libgc_threads=pthreads
 176                 with_sigaltstack=no
 177                 use_sigposix=yes
 178                 ;;
 179         *-*-linux-android*)
 180                 platform_android=yes
 181                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 182                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 183
 184                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 185                 if test "x$disable_munmap" != "xyes"; then
 186                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 187                 fi
 188                 libmono_cflags="-D_REENTRANT"
 189                 libdl="-ldl"
 190                 libgc_threads=pthreads
 191                 use_sigposix=yes
 192
 193                 with_tls=pthread
 194                 with_sigaltstack=no
 195                 with_static_mono=no
 196
 197                 # Android doesn't support boehm, as it's missing <link.h>
 198                 support_boehm=no
 199                 with_gc=sgen
 200
 201                 # isinf(3) requires -lm; see isinf check below
 202                 LDFLAGS="$LDFLAGS -lm"
 203
 204                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 205                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 206                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 207                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 208                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 209
 210                 # The configure check can't detect this
 211                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 212
 213                 # to bypass the underscore linker check, can't work when cross-compiling
 214                 mono_cv_uscore=yes
 215                 mono_cv_clang=no
 216                 ;;
 217         *-*-linux*)
 218                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 219                 if test "x$disable_munmap" != "xyes"; then
 220                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 221                 fi
 222                 libmono_cflags="-D_REENTRANT"
 223                 libdl="-ldl"
 224                 libgc_threads=pthreads
 225                 use_sigposix=yes
 226                 if test "x$cross_compiling" != "xno"; then
 227                         # to bypass the underscore linker check, not
 228                         # available during cross-compilation
 229                         mono_cv_uscore=no
 230                 fi
 231                 case "$host" in
 232                 aarch64-*)
 233                         support_boehm=no
 234                         with_gc=sgen
 235                         ;;
 236                 powerpc*-*-linux*)
 237                         # https://bugzilla.novell.com/show_bug.cgi?id=504411
 238                         disable_munmap=yes
 239                         ;;
 240                 esac
 241                 ;;
 242         *-*-nacl*)
 243                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 244                 if test "x$disable_munmap" != "xyes"; then
 245                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 246                 fi
 247                 libmono_cflags="-D_REENTRANT"
 248                 libdl=
 249                 libgc_threads=pthreads
 250                 use_sigposix=yes
 251                 ikvm_native=no
 252                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 253                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 254                 ;;
 255         *-*-hpux*)
 256                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 257                 # +ESdbgasm only valid on bundled cc on RISC
 258                 # silently ignored for ia64
 259                 if test $GCC != "yes"; then
 260                         CFLAGS="$CFLAGS +ESdbgasm"
 261                         # Arrange for run-time dereferencing of null
 262                         # pointers to produce a SIGSEGV signal.
 263                         LDFLAGS="$LDFLAGS -z"
 264                 fi
 265                 CFLAGS="$CFLAGS +ESdbgasm"
 266                 LDFLAGS="$LDFLAGS -z"
 267                 libmono_cflags="-D_REENTRANT"
 268                 libmono_ldflags="-lpthread"
 269                 libgc_threads=pthreads
 270                 need_link_unlink=yes
 271                 use_sigposix=yes
 272                 ;;
 273         *-*-solaris*)
 274                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 275                 need_link_unlink=yes
 276                 libmono_cflags="-D_REENTRANT"
 277                 libgc_threads=pthreads
 278                 has_dtrace=yes
 279                 use_sigposix=yes
 280                 enable_solaris_tar_check=yes
 281                 ;;
 282         *-*-darwin*)
 283                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 284                 host_darwin=yes
 285                 target_mach=yes
 286                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 287                 libmono_cflags="-D_THREAD_SAFE"
 288                 need_link_unlink=yes
 289                 AC_DEFINE(PTHREAD_POINTER_ID)
 290                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 291                 libdl=
 292                 libgc_threads=pthreads
 293                 has_dtrace=yes
 294                 if test "x$cross_compiling" = "xyes"; then
 295                         has_broken_apple_cpp=yes
 296                 fi
 297                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 298                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 299                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 300                 case "$host" in
 301                         dnl Snow Leopard and newer config.guess reports as this
 302                         i*86-*-darwin*)
 303                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 304                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 305                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 306                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 307                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 308                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 309                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 310                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 311                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 312                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 313                                 ;;
 314                         x*64-*-darwin*)
 315                                 ;;
 316                         arm*-darwin*)
 317                                 has_dtrace=no
 318                                 ;;
 319                 esac
 320                 ;;
 321         *-*-haiku*)
 322                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 323                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 324                 libdl=
 325                 LIBS="$LIBS -lnetwork"
 326                 need_link_unlink=yes
 327                 AC_DEFINE(PTHREAD_POINTER_ID)
 328                 libgc_threads=pthreads
 329                 use_sigposix=yes
 330                 ;;
 331         *)
 332                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 333                 libdl="-ldl"
 334                 ;;
 335 esac
 336 AC_MSG_RESULT(ok)
 337
 338 if test x$need_link_unlink = xyes; then
 339    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 340 fi
 341
 342 if test x$host_win32 = xyes; then
 343    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 344 fi
 345
 346 if test x$target_win32 = xyes; then
 347    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 348 fi
 349
 350 # Defined for all targets/platforms using classic Windows API support.
 351 AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
 352 AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
 353
 354 AC_SUBST(extra_runtime_ldflags)
 355 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 356 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 357 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 358 AM_CONDITIONAL(PLATFORM_DARWIN, test x$host_darwin = xyes)
 359 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 360 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 361
 362 if test -z "$PLATFORM_DARWIN_TRUE"; then :
 363 PLATFORM_AOT_SUFFIX=.dylib
 364 fi
 365
 366 if test -z "$PLATFORM_LINUX_TRUE"; then :
 367 PLATFORM_AOT_SUFFIX=.so
 368 fi
 369
 370 AC_SUBST(PLATFORM_AOT_SUFFIX)
 371
 372 ## PLATFORM_AOT_SUFFIX not so simple for windows :-)
 373
 374 AC_CHECK_TOOL(CC, gcc, gcc)
 375 AC_PROG_CC
 376 AC_CHECK_TOOL(CXX, g++, g++)
 377 AC_PROG_CXX
 378 AM_PROG_AS
 379 AC_PROG_INSTALL
 380 AC_PROG_AWK
 381 AM_PROG_CC_C_O
 382 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 383 : ${CCAS='$(CC)'}
 384 # Set ASFLAGS if not already set.
 385 : ${CCASFLAGS='$(CFLAGS)'}
 386 AC_SUBST(CCAS)
 387 AC_SUBST(CCASFLAGS)
 388
 389 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 390 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 391 if test "x$CXX" = "xg++"; then
 392         if test "x$GXX" != "xyes"; then
 393                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 394                 # are inside automake conditionals
 395                 AC_MSG_ERROR([You need to install g++])
 396         fi
 397 fi
 398
 399 dnl may require a specific autoconf version
 400 dnl AC_PROG_CC_FOR_BUILD
 401 dnl CC_FOR_BUILD not automatically detected
 402 CC_FOR_BUILD=$CC
 403 CFLAGS_FOR_BUILD=$CFLAGS
 404 BUILD_EXEEXT=
 405 if test "x$cross_compiling" = "xyes"; then
 406         CC_FOR_BUILD=cc
 407         CFLAGS_FOR_BUILD=
 408         BUILD_EXEEXT=""
 409 fi
 410 AC_SUBST(CC_FOR_BUILD)
 411 AC_SUBST(CFLAGS_FOR_BUILD)
 412 AC_SUBST(HOST_CC)
 413 AC_SUBST(BUILD_EXEEXT)
 414
 415 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 416 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 417
 418 # Set STDC_HEADERS
 419 AC_HEADER_STDC
 420 AC_LIBTOOL_WIN32_DLL
 421 # This causes monodis to not link correctly
 422 #AC_DISABLE_FAST_INSTALL
 423 AM_PROG_LIBTOOL
 424 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 425 DOLT
 426
 427 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 428 AC_SUBST(export_ldflags)
 429
 430 # Test whenever ld supports -version-script
 431 AC_PROG_LD
 432 AC_PROG_LD_GNU
 433
 434 AM_ICONV()
 435
 436 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)
 437 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)
 438 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 439                   [], [], [#include <stddef.h>
 440                   #include <sys/socket.h>
 441                   #include <linux/socket.h>])
 442
 443 AC_CHECK_HEADERS(sys/user.h, [], [],
 444 [
 445 #ifdef HAVE_SYS_PARAM_H
 446 # include <sys/param.h>
 447 #endif
 448 ])
 449
 450 AC_CHECK_HEADERS(linux/serial.h)
 451
 452 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 453 if test x$have_zlib = xyes; then
 454    AC_TRY_COMPILE([#include <zlib.h>], [
 455    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 456    return 0;
 457    #else
 458    #error No good zlib found
 459    #endif
 460    ],[
 461         AC_MSG_RESULT(Using system zlib)
 462         zlib_msg="system zlib"
 463         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 464    ],[
 465         AC_MSG_RESULT(Using embedded zlib)
 466         have_zlib=no
 467         zlib_msg="bundled zlib"
 468    ])
 469 fi
 470
 471 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 472 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 473
 474 # for mono/metadata/debug-symfile.c
 475 AC_CHECK_HEADERS(elf.h)
 476
 477 # for support
 478 AC_CHECK_HEADERS(poll.h)
 479 AC_CHECK_HEADERS(sys/poll.h)
 480 AC_CHECK_HEADERS(sys/wait.h)
 481 AC_CHECK_HEADERS(grp.h)
 482 AC_CHECK_HEADERS(syslog.h)
 483
 484 # for mono/dis
 485 AC_CHECK_HEADERS(wchar.h)
 486 AC_CHECK_HEADERS(ieeefp.h)
 487 AC_MSG_CHECKING(for isinf)
 488 AC_TRY_LINK([#include <math.h>], [
 489         int f = isinf (1.0);
 490 ], [
 491         AC_MSG_RESULT(yes)
 492         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 493 ], [
 494         # We'll have to use signals
 495         AC_MSG_RESULT(no)
 496 ])
 497 # mingw
 498 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 499         AC_TRY_LINK([#include <math.h>],
 500         [ _finite(0.0); ],
 501         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 502         AC_MSG_RESULT(no)))
 503
 504 # for Linux statfs support
 505 AC_CHECK_HEADERS(linux/magic.h)
 506
 507 # not 64 bit clean in cross-compile
 508 AC_CHECK_SIZEOF(void *, 4)
 509
 510 AC_CACHE_CHECK([for clang],
 511         mono_cv_clang,[
 512         AC_TRY_COMPILE([], [
 513                 #ifdef __clang__
 514                 #else
 515                 #error "FAILED"
 516                 #endif
 517                 return 0;
 518         ],
 519         [mono_cv_clang=yes],
 520         [mono_cv_clang=no],
 521         [])
 522 ])
 523
 524 AC_ARG_ENABLE(visibility-hidden,
 525 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden],
 526    disable_visibility_hidden=yes, disable_visibility_hidden=no)
 527
 528 WARN=''
 529 if test x"$GCC" = xyes; then
 530         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
 531
 532                 # We require C99 with some GNU extensions, e.g. `linux` macro
 533                 CFLAGS="$CFLAGS -std=gnu99"
 534
 535                 # The runtime code does not respect ANSI C strict aliasing rules
 536                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 537
 538                 # We rely on signed overflow to behave
 539                 CFLAGS="$CFLAGS -fwrapv"
 540
 541                 # We rely on zero length arrays in structs
 542                 CFLAGS="$CFLAGS -Wno-zero-length-array"
 543
 544                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 545                 if test x"$disable_visibility_hidden" = xno; then
 546                    # Don't export any symbols by default
 547                    SHARED_CFLAGS="-fvisibility=hidden"
 548                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 549                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 550                 fi
 551
 552                 ORIG_CFLAGS=$CFLAGS
 553                 # Check for the normal version, since gcc ignores unknown -Wno options
 554                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 555                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 556                 AC_TRY_COMPILE([],[
 557                                 return 0;
 558                 ], [
 559                    AC_MSG_RESULT(yes)
 560                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 561                 ], [
 562                    AC_MSG_RESULT(no)
 563                    CFLAGS=$ORIG_CFLAGS
 564                 ])
 565
 566                 if test "x$mono_cv_clang" = "xyes"; then
 567                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 568                    WARN="$WARN -Qunused-arguments"
 569                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
 570                 fi
 571 else
 572         # The Sun Forte compiler complains about inline functions that access static variables
 573         # so disable all inlining.
 574         case "$host" in
 575         *-*-solaris*)
 576                 CFLAGS="$CFLAGS -Dinline="
 577                 ;;
 578         esac
 579 fi
 580 CFLAGS="$CFLAGS -g $WARN"
 581 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 582 CPPFLAGS="$CPPFLAGS -g $WARN"
 583
 584 # Where's the 'mcs' source tree?
 585 if test -d $srcdir/mcs; then
 586   mcsdir=mcs
 587 else
 588   mcsdir=../mcs
 589 fi
 590
 591 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 592         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 593                 mcsdir=$with_mcs_path
 594         fi
 595 )
 596
 597 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 598
 599 #
 600 # A sanity check to catch cases where the package was unpacked
 601 # with an ancient tar program (Solaris)
 602 #
 603 AC_ARG_ENABLE(solaris-tar-check,
 604 [  --disable-solaris-tar-check    disable solaris tar check],
 605    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 606
 607 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 608         AC_MSG_CHECKING(integrity of package)
 609         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 610         then
 611                 AC_MSG_RESULT(ok)
 612         else
 613                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 614                 AC_MSG_ERROR([$errorm])
 615         fi
 616 fi
 617
 618 if test "x$with_mcs_path" != "x"; then
 619 mcs_topdir=$(cd "$mcsdir" && pwd)
 620 mcs_topdir_from_srcdir=$mcs_topdir
 621 else
 622 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 623 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 624 fi
 625
 626 # Convert mcs_topdir* paths to Windows syntax.
 627 if test x$cross_compiling$host_win32 = xnoyes; then
 628   mcs_topdir=$(cygpath -m $mcs_topdir)
 629   case $mcs_topdir_from_srcdir in
 630     /cygdrive/*)
 631         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 632         ;;
 633   esac
 634 fi
 635
 636 AC_SUBST([mcs_topdir])
 637 AC_SUBST([mcs_topdir_from_srcdir])
 638
 639 # gettext: prepare the translation directories.
 640 # we do not configure the full gettext, as we consume it dynamically from C#
 641 AM_PO_SUBDIRS
 642
 643 if test "x$USE_NLS" = "xyes"; then
 644    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 645
 646    if test "x$HAVE_MSGFMT" = "xno"; then
 647           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 648    fi
 649 fi
 650
 651 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 652
 653 pkg_config_path=
 654 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 655         if test x$with_crosspkgdir = "x"; then
 656                 if test -s $PKG_CONFIG_PATH; then
 657                         pkg_config_path=$PKG_CONFIG_PATH
 658                 fi
 659         else
 660                 pkg_config_path=$with_crosspkgdir
 661                 PKG_CONFIG_PATH=$pkg_config_path
 662                 export PKG_CONFIG_PATH
 663         fi
 664 )
 665
 666 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 667 if test x$werror_flag = xyes; then
 668         WERROR_CFLAGS="-Werror"
 669 fi
 670 AC_SUBST([WERROR_CFLAGS])
 671 AC_SUBST([SHARED_CFLAGS])
 672
 673 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 674 AC_CONFIG_SUBDIRS(eglib)
 675
 676 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 677 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 678
 679 AC_SUBST(GLIB_CFLAGS)
 680 AC_SUBST(GLIB_LIBS)
 681
 682 # Enable support for fast thread-local storage
 683 # Some systems have broken support, so we allow to disable it.
 684 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 685
 686 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 687 # This does not work on some platforms (bug #55253)
 688 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 689
 690 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 691 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 692 # Same as --with-shared_mono=no
 693 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 694
 695 if test "x$enable_static" = "xno"; then
 696    with_static_mono=no
 697 fi
 698
 699 if test "x$enable_shared" = "xno"; then
 700    with_shared_mono=no
 701 fi
 702
 703 if test "x$enable_libraries" = "xno"; then
 704    with_shared_mono=no
 705 fi
 706
 707 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 708
 709 case $host in
 710 *nacl* ) with_shared_mono=yes;;
 711 esac
 712
 713 if test "x$host_win32" = "xyes"; then
 714    # Boehm GC requires the runtime to be in its own dll
 715    with_static_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 719 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 720 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 721
 722 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 723 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 724         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 725         ORIG_CFLAGS=$CFLAGS
 726         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 727         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 728         AC_TRY_COMPILE([], [
 729                 return 0;
 730         ], [
 731            AC_MSG_RESULT(yes)
 732            # Pass it to libgc as well
 733            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 734         ], [
 735            AC_MSG_RESULT(no)
 736            CFLAGS=$ORIG_CFLAGS
 737         ])
 738 fi
 739
 740 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 741
 742 if test x$enable_small_config = xyes; then
 743         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 744         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 745 fi
 746
 747 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=$enableval, enable_system_aot=default)
 748
 749 DISABLED_FEATURES=none
 750
 751 #
 752 # Set the build profiles and options before things which use them
 753 #
 754
 755 AC_ARG_WITH(profile4_x,      [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                 [], [with_profile4_x=default])
 756 AC_ARG_WITH(monodroid,       [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],      [], [with_monodroid=default])
 757 AC_ARG_WITH(monotouch,       [  --with-monotouch=yes,no         If you want to build the Xamarin.iOS assemblies (defaults to no)],    [], [with_monotouch=default])
 758 AC_ARG_WITH(monotouch_watch, [  --with-monotouch_watch=yes,no   If you want to build the Xamarin.WatchOS assemblies (defaults to no)],[], [with_monotouch_watch=default])
 759 AC_ARG_WITH(monotouch_tv,    [  --with-monotouch_tv=yes,no      If you want to build the Xamarin.TVOS assemblies (defaults to no)],   [], [with_monotouch_tv=default])
 760 AC_ARG_WITH(bitcode,         [  --with-bitcode=yes,no           If bitcode is enabled (defaults to no)],                              [], [with_bitcode=default])
 761 AC_ARG_WITH(xammac,          [  --with-xammac=yes,no            If you want to build the Xamarin.Mac assemblies (defaults to no)],    [], [with_xammac=default])
 762 AC_ARG_WITH(mobile_static,   [  --with-mobile_static=yes,no     If you want to build the mobile_static assemblies (defaults to no)],  [], [with_mobile_static=default])
 763
 764 AC_ARG_WITH(runtime_preset, [  --with-runtime_preset=net_4_x,all,mobile_static,bitcode_mobile_static   Which default profile to build (defaults to net_4_x)],  [], [with_runtime_preset=net_4_x])
 765
 766 dnl
 767 dnl Profile defaults
 768 dnl
 769 TEST_PROFILE=default
 770 enable_llvm_default=no
 771
 772 INVARIANT_AOT_OPTIONS=nimt-trampolines=900,ntrampolines=8000,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=2800
 773
 774 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
 775    DISABLE_MCS_DOCS_default=yes
 776    with_profile4_x_default=no
 777    with_monodroid_default=no
 778    with_monotouch_default=no
 779    with_monotouch_watch_default=no
 780    with_monotouch_tv_default=no
 781    with_xammac_default=no
 782    with_mobile_static_default=no
 783    with_bitcode_default=no
 784    with_cooperative_gc_default=no
 785 elif test x$with_runtime_preset = xnet_4_x; then
 786    with_cooperative_gc_default=no
 787    with_profile4_x_default=yes
 788    with_monodroid_default=no
 789    with_monotouch_default=no
 790    with_monotouch_watch_default=no
 791    with_monotouch_tv_default=no
 792    with_xammac_default=no
 793    with_mobile_static_default=no
 794    with_bitcode_default=no
 795 elif test x$with_runtime_preset = xall; then
 796    with_cooperative_gc_default=no
 797    with_profile4_x_default=yes
 798    with_monodroid_default=yes
 799    with_monotouch_default=yes
 800    with_monotouch_watch_default=yes
 801    with_monotouch_tv_default=yes
 802    with_xammac_default=yes
 803    with_mobile_static_default=no
 804    with_bitcode_default=no
 805 elif test x$with_runtime_preset = xmobile_static; then
 806    DISABLE_MCS_DOCS_default=yes
 807    with_cooperative_gc_default=no
 808    with_profile4_x_default=no
 809    with_monodroid_default=no
 810    with_monotouch_default=no
 811    with_monotouch_watch_default=no
 812    with_monotouch_tv_default=no
 813    with_xammac_default=no
 814    with_mobile_static_default=yes
 815    with_bitcode_default=no
 816    with_cooperative_gc_default=no
 817    TEST_PROFILE=mobile_static
 818
 819    mono_feature_disable_com='yes'
 820    mono_feature_disable_remoting='yes'
 821    mono_feature_disable_reflection_emit_save='yes'
 822    mono_feature_disable_reflection_emit='yes'
 823    mono_feature_disable_appdomains='yes'
 824
 825    AOT_BUILD_FLAGS="-O=gsharedvt --aot=full,$INVARIANT_AOT_OPTIONS"
 826    AOT_RUN_FLAGS="--full-aot"
 827 elif test x$with_runtime_preset = xbitcode_mobile_static; then
 828    DISABLE_MCS_DOCS_default=yes
 829    with_profile4_x_default=no
 830    with_monodroid_default=no
 831    with_monotouch_default=no
 832    with_monotouch_watch_default=no
 833    with_monotouch_tv_default=no
 834    with_xammac_default=no
 835    with_mobile_static_default=yes
 836    with_bitcode_default=yes
 837    with_cooperative_gc_default=yes
 838    TEST_PROFILE=mobile_static
 839    enable_llvm_default=yes
 840
 841    mono_feature_disable_com='yes'
 842    mono_feature_disable_remoting='yes'
 843    mono_feature_disable_reflection_emit_save='yes'
 844    mono_feature_disable_reflection_emit='yes'
 845    mono_feature_disable_appdomains='yes'
 846
 847    AOT_BUILD_FLAGS="--aot=llvmonly,$INVARIANT_AOT_OPTIONS"
 848    AOT_RUN_FLAGS="--llvmonly"
 849 else
 850    with_profile4_x_default=yes
 851    with_monodroid_default=no
 852    with_monotouch_default=no
 853    with_monotouch_watch_default=no
 854    with_monotouch_tv_default=no
 855    with_bitcode_default=no
 856    with_xammac_default=no
 857    with_mobile_static_default=no
 858    with_cooperative_gc_default=no
 859 fi
 860
 861 if test "x$AOT_BUILD_FLAGS" != "x"; then :
 862    AC_SUBST(AOT_BUILD_FLAGS)
 863    AC_SUBST(AOT_RUN_FLAGS)
 864    # For llvmonlycheck + fullaotcheck
 865    AC_SUBST(INVARIANT_AOT_OPTIONS)
 866 fi
 867
 868 AC_SUBST(TEST_PROFILE)
 869
 870 if test "x$with_profile4_x" = "xdefault"; then
 871    with_profile4_x=$with_profile4_x_default
 872 fi
 873 if test "x$with_monodroid" = "xdefault"; then
 874    with_monodroid=$with_monodroid_default
 875 fi
 876 if test "x$with_monotouch" = "xdefault"; then
 877    with_monotouch=$with_monotouch_default
 878 fi
 879 if test "x$with_monotouch_watch" = "xdefault"; then
 880    with_monotouch_watch=$with_monotouch_watch_default
 881 fi
 882 if test "x$with_monotouch_tv" = "xdefault"; then
 883    with_monotouch_tv=$with_monotouch_tv_default
 884 fi
 885 if test "x$with_bitcode" = "xdefault"; then
 886    with_bitcode=$with_bitcode_default
 887 fi
 888 if test "x$with_xammac" = "xdefault"; then
 889    with_xammac=$with_xammac_default
 890 fi
 891 if test "x$with_mobile_static" = "xdefault"; then
 892    with_mobile_static=$with_mobile_static_default
 893 fi
 894
 895 AM_CONDITIONAL(INSTALL_4_x, [test "x$with_profile4_x" = "xyes"])
 896 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
 897 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
 898 AM_CONDITIONAL(INSTALL_MONOTOUCH_WATCH, [test "x$with_monotouch_watch" != "xno"])
 899 AM_CONDITIONAL(INSTALL_MONOTOUCH_TV, [test "x$with_monotouch_tv" != "xno"])
 900 AM_CONDITIONAL(BITCODE, test "x$with_bitcode" = "xyes")
 901 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
 902 AM_CONDITIONAL(INSTALL_MOBILE_STATIC, [test "x$with_mobile_static" != "xno"])
 903
 904 AC_SUBST(INSTALL_MOBILE_STATIC)
 905
 906 default_profile=net_4_x
 907 if test -z "$INSTALL_MONODROID_TRUE"; then :
 908    default_profile=monodroid
 909 fi
 910 if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
 911    default_profile=monotouch
 912 fi
 913 if test -z "$INSTALL_XAMMAC_TRUE"; then :
 914    default_profile=xammac
 915 fi
 916 if test -z "$INSTALL_MOBILE_STATIC_TRUE"; then :
 917    default_profile=mobile_static
 918 fi
 919 if test -z "$INSTALL_4_x_TRUE"; then :
 920    default_profile=net_4_x
 921 fi
 922 DEFAULT_PROFILE=$default_profile
 923 AC_SUBST(DEFAULT_PROFILE)
 924
 925 #
 926 # End build profile configuration
 927 #
 928
 929 if test x$USE_NLS = xprofile_default; then
 930
 931 if test x$host_darwin = xyes; then
 932 # We make the default value for USE_NLS
 933 # "no" on OSX because it isn't available on most
 934 # default OSX installs. The most common configurations will
 935 # all disable it, so this saves us typing.
 936   USE_NLS=no
 937   AC_SUBST([USE_NLS])
 938   AC_MSG_RESULT([$USE_NLS])
 939 else
 940   USE_NLS=yes
 941   AC_SUBST([USE_NLS])
 942   AC_MSG_RESULT([$USE_NLS])
 943 fi
 944
 945 fi
 946
 947 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 948      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 949      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 950          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying.],
 951 [
 952         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 953                 eval "mono_feature_disable_$feature='yes'"
 954         done
 955         DISABLED_FEATURES=$enable_minimal
 956         disabled="Disabled:      $enable_minimal"
 957 ],[])
 958
 959 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 960
 961 if test "x$mono_feature_disable_aot" = "xyes"; then
 962         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT Compiler])
 963         enable_system_aot=no
 964         AC_MSG_NOTICE([Disabled AOT compiler])
 965 fi
 966
 967 if test "x$mono_feature_disable_profiler" = "xyes"; then
 968         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 969         AC_MSG_NOTICE([Disabled support for the profiler])
 970 fi
 971 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 972
 973 if test "x$mono_feature_disable_decimal" = "xyes"; then
 974         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 975         AC_MSG_NOTICE([Disabled support for decimal])
 976 fi
 977
 978 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 979         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 980         AC_MSG_NOTICE([Disabled support for P/Invoke])
 981 fi
 982
 983 if test "x$mono_feature_disable_debug" = "xyes"; then
 984         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 985         AC_MSG_NOTICE([Disabled support for runtime debugging])
 986 fi
 987
 988 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 989         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 990         mono_feature_disable_reflection_emit_save=yes
 991         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 992 fi
 993
 994 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 995         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 996         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 997 fi
 998
 999 if test "x$mono_feature_disable_large_code" = "xyes"; then
1000         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
1001         AC_MSG_NOTICE([Disabled support for large assemblies])
1002 fi
1003
1004 if test "x$mono_feature_disable_logging" = "xyes"; then
1005         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
1006         AC_MSG_NOTICE([Disabled support for logging])
1007 fi
1008
1009 if test "x$mono_feature_disable_com" = "xyes"; then
1010         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
1011         AC_MSG_NOTICE([Disabled COM support])
1012 fi
1013
1014 if test "x$mono_feature_disable_ssa" = "xyes"; then
1015         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
1016         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
1017 fi
1018
1019 if test "x$mono_feature_disable_generics" = "xyes"; then
1020         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
1021         AC_MSG_NOTICE([Disabled Generics Support])
1022 fi
1023
1024 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
1025         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
1026         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
1027 fi
1028
1029 if test "x$mono_feature_disable_portability" = "xyes"; then
1030         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
1031         AC_MSG_NOTICE([Disabled IO Portability layer])
1032 fi
1033
1034 if test "x$mono_feature_disable_attach" = "xyes"; then
1035         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
1036         AC_MSG_NOTICE([Disabled agent attach])
1037 fi
1038
1039 if test "x$mono_feature_disable_full_messages" = "xyes"; then
1040         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
1041         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
1042 fi
1043
1044 if test "x$mono_feature_disable_verifier" = "xyes"; then
1045         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
1046         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
1047 fi
1048
1049 if test "x$mono_feature_disable_jit" = "xyes"; then
1050         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
1051         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
1052 fi
1053
1054 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
1055
1056 if test "x$mono_feature_disable_simd" = "xyes"; then
1057         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
1058         AC_MSG_NOTICE([Disabled SIMD support])
1059 fi
1060
1061 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
1062         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
1063         AC_MSG_NOTICE([Disabled Soft Debugger.])
1064 fi
1065
1066 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
1067         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
1068         AC_MSG_NOTICE([Disabled Performance Counters.])
1069 fi
1070 if test "x$mono_feature_disable_normalization" = "xyes"; then
1071         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
1072         AC_MSG_NOTICE([Disabled String normalization support.])
1073 fi
1074
1075 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
1076         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
1077         AC_MSG_NOTICE([Disabled Assembly remapping.])
1078 fi
1079
1080 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
1081         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
1082         AC_MSG_NOTICE([Disabled Shared perfcounters.])
1083 fi
1084
1085 if test "x$mono_feature_disable_appdomains" = "xyes"; then
1086         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
1087         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
1088 fi
1089
1090 if test "x$mono_feature_disable_remoting" = "xyes"; then
1091         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
1092         AC_MSG_NOTICE([Disabled remoting])
1093 fi
1094
1095 if test "x$mono_feature_disable_security" = "xyes"; then
1096         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
1097         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
1098 fi
1099
1100 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
1101         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
1102         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
1103 fi
1104
1105 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
1106         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
1107         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
1108 fi
1109
1110 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
1111         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
1112         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
1113 fi
1114
1115 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
1116         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
1117         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
1118 fi
1119
1120 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
1121         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
1122         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
1123 fi
1124
1125 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
1126 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
1127
1128 has_extension_module=no
1129 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
1130 [
1131         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
1132                 if test x$extension = xdefault ; then
1133                         has_extension_module=yes;
1134                 fi
1135         done
1136         if test x$enable_extension_module = xyes; then
1137                 has_extension_module=yes;
1138         fi
1139 ], [])
1140
1141 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
1142
1143 if test x$has_extension_module != xno ; then
1144         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
1145         AC_MSG_NOTICE([Enabling mono extension module.])
1146 fi
1147
1148 # Deprecated
1149 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing (Deprecated)], enable_gsharedvt=$enableval, enable_gsharedvt=no)
1150
1151 AC_MSG_CHECKING(for visibility __attribute__)
1152 AC_COMPILE_IFELSE([
1153         AC_LANG_SOURCE([[
1154                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
1155                 int main () { doit (); return 0; }
1156         ]])
1157 ], [
1158    have_visibility_hidden=yes
1159    AC_MSG_RESULT(yes)
1160 ], [
1161    have_visibility_hidden=no
1162    AC_MSG_RESULT(no)
1163 ])
1164
1165 AC_MSG_CHECKING(for deprecated __attribute__)
1166 AC_TRY_COMPILE([
1167      int doit (void) __attribute__ ((deprecated));
1168      int doit (void) { return 0; }
1169 ], [
1170         return 0;
1171 ], [
1172    have_deprecated=yes
1173    AC_MSG_RESULT(yes)
1174 ], [
1175    have_deprecated=no
1176    AC_MSG_RESULT(no)
1177 ])
1178
1179 dnl
1180 dnl Boehm GC configuration
1181 dnl
1182
1183 AC_ARG_WITH(libgc,   [  --with-gc=included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=included])
1184
1185 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1186 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1187
1188 if test "x$support_boehm" = "xyes"; then
1189
1190         AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables Boehm GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1191         if test x$enable_parallel_mark = xyes; then
1192                 libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1193         fi
1194
1195         gc_msg=""
1196         LIBGC_CPPFLAGS=
1197         LIBGC_LIBS=
1198         LIBGC_STATIC_LIBS=
1199         libgc_dir=
1200         case "x$libgc" in
1201                 xincluded)
1202                         if test "x$support_boehm" = "xyes"; then
1203                                 libgc_dir=libgc
1204                         fi
1205
1206                         LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1207                         LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1208                         LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1209
1210                         BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1211
1212                         if test x$target_win32 = xyes; then
1213                                 BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1214                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1215                         fi
1216
1217                         gc_msg="Included Boehm GC with typed GC"
1218                         if test x$enable_parallel_mark = xyes; then
1219                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1220                                 gc_msg="$gc_msg and parallel mark"
1221                         else
1222                                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1223                         fi
1224                         ;;
1225
1226                 xboehm|xbohem|xyes)
1227                         AC_MSG_WARN("External Boehm is no longer supported")
1228                         ;;
1229
1230                 xsgen)
1231                         AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1232                         ;;
1233
1234                 xnone)
1235                         AC_MSG_WARN("Compiling mono without GC.")
1236                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1237                         AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1238                         gc_msg="none"
1239                         ;;
1240                 *)
1241                         AC_MSG_ERROR([Invalid argument to --with-gc.])
1242                         ;;
1243         esac
1244
1245         AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1246         if test "x$large_heap" = "xyes"; then
1247            CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1248         fi
1249
1250         AC_SUBST(LIBGC_CPPFLAGS)
1251         AC_SUBST(LIBGC_LIBS)
1252         AC_SUBST(LIBGC_STATIC_LIBS)
1253         AC_SUBST(libgc_dir)
1254         AC_SUBST(BOEHM_DEFINES)
1255
1256 fi
1257
1258 dnl
1259 dnl End of Boehm GC Configuration
1260 dnl
1261
1262 dnl *************************************
1263 dnl *** Checks for zero length arrays ***
1264 dnl *************************************
1265 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1266 AC_TRY_COMPILE([
1267         struct s {
1268                 int  length;
1269                 char data [0];
1270         };
1271 ], [], [
1272         AC_MSG_RESULT(yes)
1273         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1274 ], [
1275         AC_MSG_RESULT(no)
1276         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1277 ])
1278
1279 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1280
1281 dnl ***********************************
1282 dnl *** Checks for signals
1283 dnl ***********************************
1284 AC_CHECK_HEADERS(signal.h)
1285 AC_CHECK_FUNCS(sigaction)
1286 AC_CHECK_FUNCS(kill)
1287 AC_CHECK_FUNCS(signal)
1288
1289 # signal() is declared inline in Android headers
1290 # so we need to workaround it by overriding the check.
1291 if test x$platform_android = xyes; then
1292         AC_DEFINE(HAVE_SIGNAL,1)
1293 fi
1294
1295 if test x$host_win32 = xno; then
1296
1297         dnl hires monotonic clock support
1298         AC_SEARCH_LIBS(clock_gettime, rt)
1299         AC_CHECK_FUNCS(clock_nanosleep)
1300
1301         dnl dynamic loader support
1302         AC_CHECK_FUNC(dlopen, DL_LIB="",
1303                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1304         )
1305         if test x$dl_support = xno; then
1306                 AC_MSG_WARN([No dynamic loading support available])
1307         else
1308                 LIBS="$LIBS $DL_LIB"
1309                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1310                 dnl from glib's configure.ac
1311                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1312                         mono_cv_uscore,[
1313                         AC_TRY_RUN([#include <dlfcn.h>
1314                         int mono_underscore_test (void) { return 42; }
1315                         int main() {
1316                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1317                           handle = dlopen ((void*)0, 0);
1318                           if (handle) {
1319                             f1 = dlsym (handle, "mono_underscore_test");
1320                             f2 = dlsym (handle, "_mono_underscore_test");
1321                           } return (!f2 || f1);
1322                         }],
1323                                 [mono_cv_uscore=yes],
1324                                 [mono_cv_uscore=no],
1325                         [])
1326                 ])
1327                 if test "x$mono_cv_uscore" = "xyes"; then
1328                         MONO_DL_NEED_USCORE=1
1329                 else
1330                         MONO_DL_NEED_USCORE=0
1331                 fi
1332                 AC_SUBST(MONO_DL_NEED_USCORE)
1333                 AC_CHECK_FUNC(dlerror)
1334         fi
1335
1336         dnl ******************************************************************
1337         dnl *** Checks for the IKVM JNI interface library                  ***
1338         dnl ******************************************************************
1339         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])
1340
1341         ikvm_native_dir=
1342         if test x$with_ikvm_native = xyes; then
1343                 ikvm_native_dir=ikvm-native
1344                 jdk_headers_found="IKVM Native"
1345         fi
1346
1347         AC_SUBST(ikvm_native_dir)
1348
1349         AC_CHECK_HEADERS(execinfo.h)
1350
1351         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1352
1353         AC_CHECK_FUNCS(getgrgid_r)
1354         AC_CHECK_FUNCS(getgrnam_r)
1355         AC_CHECK_FUNCS(getpwnam_r)
1356         AC_CHECK_FUNCS(getpwuid_r)
1357         AC_CHECK_FUNCS(getresuid)
1358         AC_CHECK_FUNCS(setresuid)
1359         AC_CHECK_FUNCS(kqueue)
1360         AC_CHECK_FUNCS(backtrace_symbols)
1361         AC_CHECK_FUNCS(mkstemp)
1362         AC_CHECK_FUNCS(mmap)
1363         AC_CHECK_FUNCS(madvise)
1364         AC_CHECK_FUNCS(getrusage)
1365         AC_CHECK_FUNCS(getpriority)
1366         AC_CHECK_FUNCS(setpriority)
1367         AC_CHECK_FUNCS(dl_iterate_phdr)
1368         AC_CHECK_FUNCS(dladdr)
1369         AC_CHECK_FUNCS(sysconf)
1370         AC_CHECK_FUNCS(getrlimit)
1371         AC_CHECK_FUNCS(prctl)
1372
1373         AC_CHECK_FUNCS(sched_getaffinity)
1374         AC_CHECK_FUNCS(sched_setaffinity)
1375         AC_CHECK_FUNCS(sched_getcpu)
1376
1377         dnl ****************************************************************
1378         dnl *** Check for sched_setaffinity from glibc versions before   ***
1379         dnl *** 2.3.4. The older versions of the function only take 2    ***
1380         dnl *** parameters, not 3.                                       ***
1381         dnl ***                                                          ***
1382         dnl *** Because the interface change was not made in a minor     ***
1383         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1384         dnl *** won't always indicate the interface sched_affinity has.  ***
1385         dnl ****************************************************************
1386         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1387         AC_TRY_COMPILE([#include <sched.h>], [
1388             int mask = 1;
1389             sched_setaffinity(0, &mask);
1390                         return 0;
1391         ], [
1392                 # Yes, we have it...
1393                 AC_MSG_RESULT(yes)
1394                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1395         ], [
1396                 # We have the new, three-parameter version
1397                 AC_MSG_RESULT(no)
1398         ])
1399
1400
1401         dnl ******************************************************************
1402         dnl *** Check for large file support                               ***
1403         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1404         dnl ******************************************************************
1405
1406         # Check that off_t can represent 2**63 - 1 correctly, working around
1407         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1408         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1409         large_offt=no
1410         AC_DEFUN([LARGE_FILES], [
1411                 large_CPPFLAGS=$CPPFLAGS
1412                 CPPFLAGS="$CPPFLAGS $1"
1413                 AC_TRY_COMPILE([
1414                         #include <sys/types.h>
1415                         #include <limits.h>
1416                 ], [
1417                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1418                         #define COMPILE_TIME_ASSERT(pred) \
1419                                 switch(0){case 0:case pred:;}
1420                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1421                 ], [
1422                         AC_MSG_RESULT(ok)
1423                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1424                         large_CPPFLAGS="$large_CPPFLAGS $1"
1425                         large_offt=yes
1426                 ], [
1427                         AC_MSG_RESULT(no)
1428                 ])
1429                 CPPFLAGS=$large_CPPFLAGS
1430         ])
1431
1432         AC_MSG_CHECKING(if off_t is 64 bits wide)
1433         LARGE_FILES("")
1434         if test $large_offt = no; then
1435                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1436                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1437         fi
1438         if test $large_offt = no; then
1439                 AC_MSG_WARN([No 64 bit file size support available])
1440         fi
1441
1442         dnl *****************************
1443         dnl *** Checks for libsocket  ***
1444         dnl *****************************
1445         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1446
1447         case "$host" in
1448                 *-*-*freebsd*)
1449                         dnl *****************************
1450                         dnl *** Checks for libinotify ***
1451                         dnl *****************************
1452                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1453         esac
1454
1455         dnl *******************************
1456         dnl *** Checks for MSG_NOSIGNAL ***
1457         dnl *******************************
1458         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1459         AC_TRY_COMPILE([#include <sys/socket.h>], [
1460                 int f = MSG_NOSIGNAL;
1461         ], [
1462                 # Yes, we have it...
1463                 AC_MSG_RESULT(yes)
1464                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1465         ], [
1466                 # We'll have to use signals
1467                 AC_MSG_RESULT(no)
1468         ])
1469
1470         dnl *****************************
1471         dnl *** Checks for IPPROTO_IP ***
1472         dnl *****************************
1473         AC_MSG_CHECKING(for IPPROTO_IP)
1474         AC_TRY_COMPILE([#include <netinet/in.h>], [
1475                 int level = IPPROTO_IP;
1476         ], [
1477                 # Yes, we have it...
1478                 AC_MSG_RESULT(yes)
1479                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1480         ], [
1481                 # We'll have to use getprotobyname
1482                 AC_MSG_RESULT(no)
1483         ])
1484
1485         dnl *******************************
1486         dnl *** Checks for IPPROTO_IPV6 ***
1487         dnl *******************************
1488         AC_MSG_CHECKING(for IPPROTO_IPV6)
1489         AC_TRY_COMPILE([#include <netinet/in.h>], [
1490                 int level = IPPROTO_IPV6;
1491         ], [
1492                 # Yes, we have it...
1493                 AC_MSG_RESULT(yes)
1494                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1495         ], [
1496                 # We'll have to use getprotobyname
1497                 AC_MSG_RESULT(no)
1498         ])
1499
1500         dnl ******************************
1501         dnl *** Checks for IPPROTO_TCP ***
1502         dnl ******************************
1503         AC_MSG_CHECKING(for IPPROTO_TCP)
1504         AC_TRY_COMPILE([#include <netinet/in.h>], [
1505                 int level = IPPROTO_TCP;
1506         ], [
1507                 # Yes, we have it...
1508                 AC_MSG_RESULT(yes)
1509                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1510         ], [
1511                 # We'll have to use getprotobyname
1512                 AC_MSG_RESULT(no)
1513         ])
1514
1515         dnl *****************************
1516         dnl *** Checks for SOL_IP     ***
1517         dnl *****************************
1518         AC_MSG_CHECKING(for SOL_IP)
1519         AC_TRY_COMPILE([#include <netdb.h>], [
1520                 int level = SOL_IP;
1521         ], [
1522                 # Yes, we have it...
1523                 AC_MSG_RESULT(yes)
1524                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1525         ], [
1526                 # We'll have to use getprotobyname
1527                 AC_MSG_RESULT(no)
1528         ])
1529
1530         dnl *****************************
1531         dnl *** Checks for SOL_IPV6     ***
1532         dnl *****************************
1533         AC_MSG_CHECKING(for SOL_IPV6)
1534         AC_TRY_COMPILE([#include <netdb.h>], [
1535                 int level = SOL_IPV6;
1536         ], [
1537                 # Yes, we have it...
1538                 AC_MSG_RESULT(yes)
1539                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1540         ], [
1541                 # We'll have to use getprotobyname
1542                 AC_MSG_RESULT(no)
1543         ])
1544
1545         dnl *****************************
1546         dnl *** Checks for SOL_TCP    ***
1547         dnl *****************************
1548         AC_MSG_CHECKING(for SOL_TCP)
1549         AC_TRY_COMPILE([#include <netdb.h>], [
1550                 int level = SOL_TCP;
1551         ], [
1552                 # Yes, we have it...
1553                 AC_MSG_RESULT(yes)
1554                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1555         ], [
1556                 # We'll have to use getprotobyname
1557                 AC_MSG_RESULT(no)
1558         ])
1559
1560         dnl *****************************
1561         dnl *** Checks for IP_PKTINFO ***
1562         dnl *****************************
1563         AC_MSG_CHECKING(for IP_PKTINFO)
1564         AC_TRY_COMPILE([#include <linux/in.h>], [
1565                 int level = IP_PKTINFO;
1566         ], [
1567                 # Yes, we have it...
1568                 AC_MSG_RESULT(yes)
1569                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1570         ], [
1571                 AC_MSG_RESULT(no)
1572         ])
1573
1574         dnl *****************************
1575         dnl *** Checks for IPV6_PKTINFO ***
1576         dnl *****************************
1577         AC_MSG_CHECKING(for IPV6_PKTINFO)
1578         AC_TRY_COMPILE([#include <netdb.h>], [
1579                 int level = IPV6_PKTINFO;
1580         ], [
1581                 # Yes, we have it...
1582                 AC_MSG_RESULT(yes)
1583                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1584         ], [
1585                 AC_MSG_RESULT(no)
1586         ])
1587
1588         dnl **********************************
1589         dnl *** Checks for IP_DONTFRAG     ***
1590         dnl **********************************
1591         AC_MSG_CHECKING(for IP_DONTFRAG)
1592         AC_TRY_COMPILE([#include <netinet/in.h>], [
1593                 int level = IP_DONTFRAG;
1594         ], [
1595                 # Yes, we have it...
1596                 AC_MSG_RESULT(yes)
1597                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1598         ], [
1599                 AC_MSG_RESULT(no)
1600         ])
1601
1602         dnl **********************************
1603         dnl *** Checks for IP_DONTFRAGMENT ***
1604         dnl **********************************
1605         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1606         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1607                 int level = IP_DONTFRAGMENT;
1608         ], [
1609                 # Yes, we have it...
1610                 AC_MSG_RESULT(yes)
1611                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1612         ], [
1613                 AC_MSG_RESULT(no)
1614         ])
1615
1616         dnl **********************************
1617         dnl *** Checks for IP_MTU_DISCOVER ***
1618         dnl **********************************
1619         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1620         AC_TRY_COMPILE([#include <linux/in.h>], [
1621                 int level = IP_MTU_DISCOVER;
1622         ], [
1623                 # Yes, we have it...
1624                 AC_MSG_RESULT(yes)
1625                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1626         ], [
1627                 AC_MSG_RESULT(no)
1628         ])
1629
1630         dnl **********************************
1631         dnl *** Checks for  IP_PMTUDISC_DO ***
1632         dnl **********************************
1633         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1634         AC_TRY_COMPILE([#include <linux/in.h>], [
1635                 int level = IP_PMTUDISC_DO;
1636         ], [
1637                 # Yes, we have it...
1638                 AC_MSG_RESULT(yes)
1639                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1640         ], [
1641                 AC_MSG_RESULT(no)
1642         ])
1643
1644         dnl *********************************
1645         dnl *** Check for struct ip_mreqn ***
1646         dnl *********************************
1647         AC_MSG_CHECKING(for struct ip_mreqn)
1648         AC_TRY_COMPILE([#include <netinet/in.h>], [
1649                 struct ip_mreqn mreq;
1650                 mreq.imr_address.s_addr = 0;
1651         ], [
1652                 # Yes, we have it...
1653                 AC_MSG_RESULT(yes)
1654                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1655         ], [
1656                 # We'll just have to try and use struct ip_mreq
1657                 AC_MSG_RESULT(no)
1658                 AC_MSG_CHECKING(for struct ip_mreq)
1659                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1660                         struct ip_mreq mreq;
1661                         mreq.imr_interface.s_addr = 0;
1662                 ], [
1663                         # Yes, we have it...
1664                         AC_MSG_RESULT(yes)
1665                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1666                 ], [
1667                         # No multicast support
1668                         AC_MSG_RESULT(no)
1669                 ])
1670         ])
1671
1672         dnl **********************************
1673         dnl *** Check for getaddrinfo ***
1674         dnl **********************************
1675         AC_MSG_CHECKING(for getaddrinfo)
1676                 AC_TRY_LINK([
1677                 #include <stdio.h>
1678                 #include <netdb.h>
1679         ], [
1680                 getaddrinfo(NULL,NULL,NULL,NULL);
1681         ], [
1682                 # Yes, we have it...
1683                 AC_MSG_RESULT(yes)
1684                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1685         ], [
1686                 AC_MSG_RESULT(no)
1687         ])
1688
1689         dnl **********************************
1690         dnl *** Check for gethostbyname2_r ***
1691         dnl **********************************
1692         AC_MSG_CHECKING(for gethostbyname2_r)
1693                 AC_TRY_LINK([
1694                 #include <stdio.h>
1695                 #include <netdb.h>
1696         ], [
1697
1698                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1699         ], [
1700                 # Yes, we have it...
1701                 AC_MSG_RESULT(yes)
1702                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1703         ], [
1704                 AC_MSG_RESULT(no)
1705         ])
1706
1707         dnl **********************************
1708         dnl *** Check for gethostbyname2 ***
1709         dnl **********************************
1710         AC_MSG_CHECKING(for gethostbyname2)
1711                 AC_TRY_LINK([
1712                 #include <stdio.h>
1713                 #include <netdb.h>
1714         ], [
1715                 gethostbyname2(NULL,0);
1716         ], [
1717                 # Yes, we have it...
1718                 AC_MSG_RESULT(yes)
1719                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1720         ], [
1721                 AC_MSG_RESULT(no)
1722         ])
1723
1724         dnl **********************************
1725         dnl *** Check for gethostbyname ***
1726         dnl **********************************
1727         AC_MSG_CHECKING(for gethostbyname)
1728                 AC_TRY_LINK([
1729                 #include <stdio.h>
1730                 #include <netdb.h>
1731         ], [
1732                 gethostbyname(NULL);
1733         ], [
1734                 # Yes, we have it...
1735                 AC_MSG_RESULT(yes)
1736                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1737         ], [
1738                 AC_MSG_RESULT(no)
1739         ])
1740
1741         dnl **********************************
1742         dnl *** Check for getprotobyname ***
1743         dnl **********************************
1744         AC_MSG_CHECKING(for getprotobyname)
1745                 AC_TRY_LINK([
1746                 #include <stdio.h>
1747                 #include <netdb.h>
1748         ], [
1749                 getprotobyname(NULL);
1750         ], [
1751                 # Yes, we have it...
1752                 AC_MSG_RESULT(yes)
1753                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1754         ], [
1755                 AC_MSG_RESULT(no)
1756         ])
1757
1758         dnl **********************************
1759         dnl *** Check for getnameinfo ***
1760         dnl **********************************
1761         AC_MSG_CHECKING(for getnameinfo)
1762                 AC_TRY_LINK([
1763                 #include <stdio.h>
1764                 #include <netdb.h>
1765         ], [
1766                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1767         ], [
1768                 # Yes, we have it...
1769                 AC_MSG_RESULT(yes)
1770                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1771         ], [
1772                 AC_MSG_RESULT(no)
1773         ])
1774
1775
1776         dnl **********************************
1777         dnl *** Check for inet_ntop ***
1778         dnl **********************************
1779         AC_MSG_CHECKING(for inet_ntop)
1780                 AC_TRY_LINK([
1781                 #include <stdio.h>
1782                 #include <arpa/inet.h>
1783         ], [
1784                 inet_ntop (0, NULL, NULL, 0);
1785         ], [
1786                 # Yes, we have it...
1787                 AC_MSG_RESULT(yes)
1788                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1789         ], [
1790                 AC_MSG_RESULT(no)
1791         ])
1792
1793         dnl *****************************
1794         dnl *** Checks for libnsl     ***
1795         dnl *****************************
1796         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1797
1798         AC_CHECK_FUNCS(inet_pton inet_aton)
1799
1800         dnl *****************************
1801         dnl *** Checks for libxnet    ***
1802         dnl *****************************
1803         case "${host}" in
1804                 *solaris* )
1805                         AC_MSG_CHECKING(for Solaris XPG4 support)
1806                         if test -f /usr/lib/libxnet.so; then
1807                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1808                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1809                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1810                                 LIBS="$LIBS -lxnet"
1811                                 AC_MSG_RESULT(yes)
1812                         else
1813                                 AC_MSG_RESULT(no)
1814                         fi
1815
1816                         if test "$GCC" = "yes"; then
1817                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1818                         fi
1819                 ;;
1820         esac
1821
1822         dnl *****************************
1823         dnl *** Checks for libpthread ***
1824         dnl *****************************
1825 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1826 # and libpthread does not exist
1827 #
1828         case "${host}" in
1829                 *-*-*freebsd*)
1830                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1831                 ;;
1832                 *-*-*openbsd*)
1833                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1834                 ;;
1835                 *)
1836                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1837                 ;;
1838         esac
1839         AC_CHECK_HEADERS(pthread.h)
1840         AC_CHECK_HEADERS(pthread_np.h)
1841         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1842         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1843         AC_CHECK_FUNCS(pthread_kill)
1844         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1845         AC_TRY_COMPILE([ #include <pthread.h>], [
1846                 pthread_mutexattr_t attr;
1847                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1848         ], [
1849                 AC_MSG_RESULT(ok)
1850         ], [
1851                 AC_MSG_RESULT(no)
1852                 AC_ERROR(Posix system lacks support for recursive mutexes)
1853         ])
1854         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1855         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1856         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1857
1858         dnl **********************************
1859         dnl *** Check for mincore ***
1860         dnl **********************************
1861         AC_MSG_CHECKING(for mincore)
1862                 AC_TRY_LINK([
1863                 #include <stdio.h>
1864                 #include <sys/types.h>
1865                 #include <sys/mman.h>
1866         ], [
1867                 mincore(NULL, 0, NULL);
1868         ], [
1869                 # Yes, we have it...
1870                 AC_MSG_RESULT(yes)
1871                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1872         ], [
1873                 AC_MSG_RESULT(no)
1874         ])
1875
1876         dnl ***********************************
1877         dnl *** Checks for working __thread ***
1878         dnl ***********************************
1879         AC_MSG_CHECKING(for working __thread)
1880         if test "x$with_tls" != "x__thread"; then
1881                 AC_MSG_RESULT(disabled)
1882         elif test "x$cross_compiling" = "xyes"; then
1883                 AC_MSG_RESULT(cross compiling, assuming yes)
1884         else
1885                 AC_TRY_RUN([
1886                         #if defined(__APPLE__) && defined(__clang__)
1887                         #error "__thread does not currently work with clang on Mac OS X"
1888                         #endif
1889
1890                         #include <pthread.h>
1891                         __thread int i;
1892                         static int res1, res2;
1893
1894                         void thread_main (void *arg)
1895                         {
1896                                 i = arg;
1897                                 sleep (1);
1898                                 if (arg == 1)
1899                                         res1 = (i == arg);
1900                                 else
1901                                         res2 = (i == arg);
1902                         }
1903
1904                         int main () {
1905                                 pthread_t t1, t2;
1906
1907                                 i = 5;
1908
1909                                 pthread_create (&t1, NULL, thread_main, 1);
1910                                 pthread_create (&t2, NULL, thread_main, 2);
1911
1912                                 pthread_join (t1, NULL);
1913                                 pthread_join (t2, NULL);
1914
1915                                 return !(res1 + res2 == 2);
1916                         }
1917                 ], [
1918                                 AC_MSG_RESULT(yes)
1919                 ], [
1920                                 AC_MSG_RESULT(no)
1921                                 with_tls=pthread
1922                 ])
1923         fi
1924
1925         dnl **************************************
1926         dnl *** Checks for working sigaltstack ***
1927         dnl **************************************
1928         AC_MSG_CHECKING(for working sigaltstack)
1929         if test "x$with_sigaltstack" != "xyes"; then
1930                 AC_MSG_RESULT(disabled)
1931         elif test "x$cross_compiling" = "xyes"; then
1932                 AC_MSG_RESULT(cross compiling, assuming yes)
1933         else
1934                 AC_TRY_RUN([
1935                         #include <stdio.h>
1936                         #include <stdlib.h>
1937                         #include <unistd.h>
1938                         #include <signal.h>
1939                         #include <pthread.h>
1940                         #include <sys/wait.h>
1941                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1942                         #define SA_STACK SA_ONSTACK
1943                         #endif
1944                         static void
1945                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1946                         {
1947                                 exit (0);
1948                         }
1949
1950                         volatile char*__ptr = NULL;
1951                         static void *
1952                         loop (void *ignored)
1953                         {
1954                                 *__ptr = 0;
1955                                 return NULL;
1956                         }
1957
1958                         static void
1959                         child ()
1960                         {
1961                                 struct sigaction sa;
1962                         #ifdef __APPLE__
1963                                 stack_t sas;
1964                         #else
1965                                 struct sigaltstack sas;
1966                         #endif
1967                                 pthread_t id;
1968                                 pthread_attr_t attr;
1969
1970                                 sa.sa_sigaction = sigsegv_signal_handler;
1971                                 sigemptyset (&sa.sa_mask);
1972                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1973                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1974                                         perror ("sigaction");
1975                                         return;
1976                                 }
1977
1978                                 /* x86 darwin deliver segfaults using SIGBUS */
1979                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1980                                         perror ("sigaction");
1981                                         return;
1982                                 }
1983                                 sas.ss_sp = malloc (SIGSTKSZ);
1984                                 sas.ss_size = SIGSTKSZ;
1985                                 sas.ss_flags = 0;
1986                                 if (sigaltstack (&sas, NULL) == -1) {
1987                                         perror ("sigaltstack");
1988                                         return;
1989                                 }
1990
1991                                 pthread_attr_init (&attr);
1992                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1993                                         printf ("pthread_create\n");
1994                                         return;
1995                                 }
1996
1997                                 sleep (100);
1998                         }
1999
2000                         int
2001                         main ()
2002                         {
2003                                 pid_t son;
2004                                 int status;
2005                                 int i;
2006
2007                                 son = fork ();
2008                                 if (son == -1) {
2009                                         return 1;
2010                                 }
2011
2012                                 if (son == 0) {
2013                                         child ();
2014                                         return 0;
2015                                 }
2016
2017                                 for (i = 0; i < 300; ++i) {
2018                                         waitpid (son, &status, WNOHANG);
2019                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
2020                                                 return 0;
2021                                         usleep (10000);
2022                                 }
2023
2024                                 kill (son, SIGKILL);
2025                                 return 1;
2026                         }
2027
2028                 ], [
2029                                 AC_MSG_RESULT(yes)
2030                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
2031                 ], [
2032                                 with_sigaltstack=no
2033                                 AC_MSG_RESULT(no)
2034                 ])
2035         fi
2036
2037         dnl ********************************
2038         dnl *** Checks for semaphore lib ***
2039         dnl ********************************
2040         # 'Real Time' functions on Solaris
2041         # posix4 on Solaris 2.6
2042         # pthread (first!) on Linux
2043         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
2044
2045         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
2046         AC_CHECK_FUNCS(shm_open)
2047
2048         dnl ********************************
2049         dnl *** Checks for timezone stuff **
2050         dnl ********************************
2051         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
2052                 AC_TRY_COMPILE([
2053                         #include <time.h>
2054                         ], [
2055                         struct tm tm;
2056                         tm.tm_gmtoff = 1;
2057                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
2058         if test $ac_cv_struct_tm_gmtoff = yes; then
2059                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
2060         else
2061                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
2062                         AC_TRY_COMPILE([
2063                                 #include <time.h>
2064                         ], [
2065                                 timezone = 1;
2066                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
2067                 if test $ac_cv_var_timezone = yes; then
2068                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
2069                 else
2070                         AC_ERROR(unable to find a way to determine timezone)
2071                 fi
2072         fi
2073
2074         dnl *********************************
2075         dnl *** Checks for math functions ***
2076         dnl *********************************
2077         AC_SEARCH_LIBS(sqrtf, m)
2078         if test "x$has_broken_apple_cpp" != "xyes"; then
2079                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
2080                         AC_TRY_LINK([#include <math.h>],
2081                         [ finite(0.0); ],
2082                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
2083                         AC_MSG_RESULT(no)))
2084         fi
2085         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
2086                 AC_TRY_LINK([#include <math.h>],
2087                 [ isfinite(0.0); ],
2088                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
2089                 AC_MSG_RESULT(no)))
2090
2091         dnl ****************************************************************
2092         dnl *** Checks for working poll() (macosx defines it but doesn't ***
2093         dnl *** have it in the library (duh))                            ***
2094         dnl ****************************************************************
2095         AC_CHECK_FUNCS(poll)
2096
2097         dnl *************************
2098         dnl *** Check for signbit ***
2099         dnl *************************
2100         AC_MSG_CHECKING(for signbit)
2101         AC_TRY_LINK([#include <math.h>], [
2102                 int s = signbit(1.0);
2103         ], [
2104                 AC_MSG_RESULT(yes)
2105                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
2106         ], [
2107                 AC_MSG_RESULT(no)
2108         ])
2109
2110         dnl **********************************
2111         dnl *** epoll                      ***
2112         dnl **********************************
2113         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
2114                 AC_CHECK_HEADERS(sys/epoll.h)
2115                 haveepoll=no
2116                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
2117                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
2118                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
2119                 fi
2120         fi
2121
2122         havekqueue=no
2123
2124         AC_CHECK_HEADERS(sys/event.h)
2125         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
2126
2127         dnl **************************************
2128         dnl * Darwin has a race that prevents us from using reliably:
2129         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
2130         dnl * Since kqueue is mostly used for scaling large web servers,
2131         dnl * and very few folks run Mono on large web servers on OSX, falling
2132         dnl * back
2133         dnl **************************************
2134         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
2135                 if test "x$host_darwin" = "xno"; then
2136                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
2137                 fi
2138         fi
2139
2140         dnl ******************************
2141         dnl *** Checks for SIOCGIFCONF ***
2142         dnl ******************************
2143         AC_CHECK_HEADERS(sys/ioctl.h)
2144         AC_CHECK_HEADERS(net/if.h, [], [],
2145            [
2146            #ifdef HAVE_SYS_TYPES_H
2147            # include <sys/types.h>
2148            #endif
2149            #ifdef HAVE_SYS_SOCKET_H
2150            # include <sys/socket.h>
2151            #endif
2152            ])
2153         AC_MSG_CHECKING(for ifreq)
2154         AC_TRY_COMPILE([
2155                 #include <stdio.h>
2156                 #include <sys/ioctl.h>
2157                 #include <net/if.h>
2158                 ], [
2159                 struct ifconf ifc;
2160                 struct ifreq *ifr;
2161                 void *x;
2162                 ifc.ifc_len = 0;
2163                 ifc.ifc_buf = NULL;
2164                 x = (void *) &ifr->ifr_addr;
2165                 ],[
2166                         AC_MSG_RESULT(yes)
2167                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2168                 ], [
2169                         AC_MSG_RESULT(no)
2170                 ])
2171         dnl **********************************
2172         dnl ***     Checks for sin_len     ***
2173         dnl **********************************
2174         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2175         AC_TRY_COMPILE([
2176                 #include <netinet/in.h>
2177                 ], [
2178                 struct sockaddr_in saddr;
2179                 saddr.sin_len = sizeof (saddr);
2180                 ],[
2181                         AC_MSG_RESULT(yes)
2182                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2183                 ], [
2184                         AC_MSG_RESULT(no)
2185                 ])
2186         dnl **********************************
2187         dnl ***    Checks for sin6_len     ***
2188         dnl **********************************
2189         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2190         AC_TRY_COMPILE([
2191                 #include <netinet/in.h>
2192                 ], [
2193                 struct sockaddr_in6 saddr6;
2194                 saddr6.sin6_len = sizeof (saddr6);
2195                 ],[
2196                         AC_MSG_RESULT(yes)
2197                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2198                 ], [
2199                         AC_MSG_RESULT(no)
2200                 ])
2201         dnl **********************************
2202         dnl *** Check for getifaddrs       ***
2203         dnl **********************************
2204         AC_MSG_CHECKING(for getifaddrs)
2205                 AC_TRY_LINK([
2206                 #include <stdio.h>
2207                 #include <sys/types.h>
2208                 #include <sys/socket.h>
2209                 #include <ifaddrs.h>
2210         ], [
2211                 getifaddrs(NULL);
2212         ], [
2213                 # Yes, we have it...
2214                 AC_MSG_RESULT(yes)
2215                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2216         ], [
2217                 AC_MSG_RESULT(no)
2218         ])
2219         dnl **********************************
2220         dnl *** Check for if_nametoindex   ***
2221         dnl **********************************
2222         AC_MSG_CHECKING(for if_nametoindex)
2223                 AC_TRY_LINK([
2224                 #include <stdio.h>
2225                 #include <sys/types.h>
2226                 #include <sys/socket.h>
2227                 #include <net/if.h>
2228         ], [
2229                 if_nametoindex(NULL);
2230         ], [
2231                 # Yes, we have it...
2232                 AC_MSG_RESULT(yes)
2233                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2234         ], [
2235                 AC_MSG_RESULT(no)
2236         ])
2237
2238         dnl **********************************
2239         dnl *** Checks for MonoPosixHelper ***
2240         dnl **********************************
2241         AC_CHECK_HEADERS(checklist.h)
2242         AC_CHECK_HEADERS(pathconf.h)
2243         AC_CHECK_HEADERS(fstab.h)
2244         AC_CHECK_HEADERS(attr/xattr.h)
2245         AC_CHECK_HEADERS(sys/extattr.h)
2246         AC_CHECK_HEADERS(sys/sendfile.h)
2247         AC_CHECK_HEADERS(sys/statvfs.h)
2248         AC_CHECK_HEADERS(sys/statfs.h)
2249         AC_CHECK_HEADERS(sys/vfstab.h)
2250         AC_CHECK_HEADERS(sys/xattr.h)
2251         AC_CHECK_HEADERS(sys/mman.h)
2252         AC_CHECK_HEADERS(sys/param.h)
2253         AC_CHECK_HEADERS(sys/mount.h, [], [],
2254                 [
2255                 #ifdef HAVE_SYS_PARAM_H
2256                 # include <sys/param.h>
2257                 #endif
2258                 ])
2259         AC_CHECK_HEADERS(sys/mount.h)
2260         AC_CHECK_FUNCS(confstr)
2261         AC_CHECK_FUNCS(seekdir telldir)
2262         AC_CHECK_FUNCS(getdomainname)
2263         AC_CHECK_FUNCS(setdomainname)
2264         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2265         AC_CHECK_FUNCS(setgroups)
2266         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2267         AC_CHECK_FUNCS(getfsstat)
2268         AC_CHECK_FUNCS(lutimes futimes)
2269         AC_CHECK_FUNCS(mremap)
2270         AC_CHECK_FUNCS(remap_file_pages)
2271         AC_CHECK_FUNCS(posix_fadvise)
2272         AC_CHECK_FUNCS(posix_fallocate)
2273         AC_CHECK_FUNCS(posix_madvise)
2274         AC_CHECK_FUNCS(vsnprintf)
2275         AC_CHECK_FUNCS(sendfile)
2276         AC_CHECK_FUNCS(gethostid sethostid)
2277         AC_CHECK_FUNCS(sethostname)
2278         AC_CHECK_FUNCS(statfs)
2279         AC_CHECK_FUNCS(fstatfs)
2280         AC_CHECK_FUNCS(statvfs)
2281         AC_CHECK_FUNCS(fstatvfs)
2282         AC_CHECK_FUNCS(stime)
2283         AC_CHECK_FUNCS(strerror_r)
2284         AC_CHECK_FUNCS(ttyname_r)
2285         AC_CHECK_FUNCS(psignal)
2286         AC_CHECK_FUNCS(getlogin_r)
2287         AC_CHECK_FUNCS(lockf)
2288         AC_CHECK_FUNCS(swab)
2289         AC_CHECK_FUNCS(setusershell endusershell)
2290         AC_CHECK_FUNCS(futimens utimensat)
2291         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2292         AC_CHECK_FUNCS(readv writev preadv pwritev)
2293         AC_CHECK_FUNCS(setpgid)
2294         AC_CHECK_FUNCS(system)
2295         AC_CHECK_FUNCS(fork execv execve)
2296         AC_CHECK_FUNCS(accept4)
2297         AC_CHECK_SIZEOF(size_t)
2298         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2299                 [#include <sys/types.h>
2300                  #include <sys/stat.h>
2301                  #include <unistd.h>])
2302         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2303                 [#include <sys/types.h>
2304                  #include <sys/stat.h>
2305                  #include <unistd.h>])
2306         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2307                 [#include <sys/time.h>])
2308         AC_CHECK_TYPES([struct cmsghdr], [AC_DEFINE(HAVE_STRUCT_CMSGHDR)], ,
2309                 [#include <sys/socket.h>])
2310         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2311                 [#include <unistd.h>
2312                  #include <fcntl.h>])
2313         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2314                 [#include <sys/uio.h>])
2315         AC_CHECK_TYPES([struct linger], [AC_DEFINE(HAVE_STRUCT_LINGER)], ,
2316                 [#include <sys/socket.h>])
2317         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2318                 [#include <sys/poll.h>])
2319         AC_CHECK_TYPES([struct sockaddr], [AC_DEFINE(HAVE_STRUCT_SOCKADDR)], ,
2320                 [#include <sys/socket.h>])
2321         AC_CHECK_TYPES([struct sockaddr_storage], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)], ,
2322                 [#include <sys/socket.h>])
2323         AC_CHECK_TYPES([struct sockaddr_in], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN)], ,
2324                 [#include <netinet/in.h>])
2325         AC_CHECK_TYPES([struct sockaddr_in6], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)], ,
2326                 [#include <netinet/in.h>])
2327         AC_CHECK_TYPES([struct sockaddr_un], [AC_DEFINE(HAVE_STRUCT_SOCKADDR_UN)], ,
2328                 [#include <sys/un.h>])
2329         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2330                 [#include <sys/types.h>
2331                  #include <sys/stat.h>
2332                  #include <unistd.h>])
2333         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2334                 [#include <time.h>])
2335         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2336                 [#include <sys/time.h>
2337                  #include <sys/types.h>
2338                  #include <utime.h>])
2339         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2340                 [#include <sys/time.h>])
2341         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2342                 [#include <sys/types.h>
2343                  #include <utime.h>])
2344         AC_CHECK_MEMBERS(
2345                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2346                 [#include <sys/types.h>
2347                  #include <dirent.h>])
2348         AC_CHECK_MEMBERS(
2349                 [struct passwd.pw_gecos],,,
2350                 [#include <sys/types.h>
2351                  #include <pwd.h>])
2352         AC_CHECK_MEMBERS(
2353                 [struct statfs.f_flags],,,
2354                 [#include <sys/types.h>
2355                  #include <sys/vfs.h>])
2356         AC_CHECK_MEMBERS(
2357                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2358                 [#include <sys/types.h>
2359                  #include <sys/stat.h>
2360                  #include <unistd.h>])
2361
2362         dnl Favour xattr through glibc, but use libattr if we have to
2363         AC_CHECK_FUNC(lsetxattr, ,
2364                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2365         )
2366         AC_SUBST(XATTR_LIB)
2367
2368         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2369         AC_CHECK_MEMBERS(
2370                 [struct kinfo_proc.kp_proc],,,
2371                 [#include <sys/types.h>
2372                  #include <sys/param.h>
2373                  #include <sys/sysctl.h>
2374                  #include <sys/proc.h>
2375                  ])
2376
2377         dnl *********************************
2378         dnl *** Checks for Windows compilation ***
2379         dnl *********************************
2380         AC_CHECK_HEADERS(sys/time.h)
2381         AC_CHECK_HEADERS(sys/param.h)
2382         AC_CHECK_HEADERS(dirent.h)
2383
2384         dnl ******************************************
2385         dnl *** Checks for OSX and iOS compilation ***
2386         dnl ******************************************
2387         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2388
2389         dnl *********************************
2390         dnl *** Check for Console 2.0 I/O ***
2391         dnl *********************************
2392         AC_CHECK_HEADERS([curses.h])
2393         AC_CHECK_HEADERS([term.h], [], [],
2394         [#if HAVE_CURSES_H
2395          #include <curses.h>
2396          #endif
2397         ])
2398         AC_CHECK_HEADERS([termios.h])
2399 else
2400         dnl *********************************
2401         dnl *** Checks for Windows compilation ***
2402         dnl *********************************
2403         AC_CHECK_HEADERS(winternl.h)
2404
2405         jdk_headers_found=no
2406         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2407         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2408         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2409         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2410         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2411         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2412         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2413
2414         dnl *********************************
2415         dnl *** Check for struct ip_mreqn ***
2416         dnl *********************************
2417         AC_MSG_CHECKING(for struct ip_mreqn)
2418         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2419                 struct ip_mreqn mreq;
2420                 mreq.imr_address.s_addr = 0;
2421         ], [
2422                 # Yes, we have it...
2423                 AC_MSG_RESULT(yes)
2424                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2425         ], [
2426                 # We'll just have to try and use struct ip_mreq
2427                 AC_MSG_RESULT(no)
2428                 AC_MSG_CHECKING(for struct ip_mreq)
2429                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2430                         struct ip_mreq mreq;
2431                         mreq.imr_interface.s_addr = 0;
2432                 ], [
2433                         # Yes, we have it...
2434                         AC_MSG_RESULT(yes)
2435                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2436                 ], [
2437                         # No multicast support
2438                         AC_MSG_RESULT(no)
2439                 ])
2440         ])
2441
2442         dnl **********************************
2443         dnl *** Check for getaddrinfo ***
2444         dnl **********************************
2445         AC_MSG_CHECKING(for getaddrinfo)
2446                 AC_TRY_LINK([
2447                 #include <stdio.h>
2448                 #include <winsock2.h>
2449                 #include <ws2tcpip.h>
2450         ], [
2451                 getaddrinfo(NULL,NULL,NULL,NULL);
2452         ], [
2453                 # Yes, we have it...
2454                 AC_MSG_RESULT(yes)
2455                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2456         ], [
2457                 AC_MSG_RESULT(no)
2458         ])
2459
2460         dnl **********************************
2461         dnl *** Check for gethostbyname ***
2462         dnl **********************************
2463         AC_MSG_CHECKING(for gethostbyname)
2464                 AC_TRY_LINK([
2465                 #include <stdio.h>
2466                 #include <winsock2.h>
2467                 #include <ws2tcpip.h>
2468         ], [
2469                 gethostbyname(NULL);
2470         ], [
2471                 # Yes, we have it...
2472                 AC_MSG_RESULT(yes)
2473                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2474         ], [
2475                 AC_MSG_RESULT(no)
2476         ])
2477
2478         dnl **********************************
2479         dnl *** Check for getprotobyname ***
2480         dnl **********************************
2481         AC_MSG_CHECKING(for getprotobyname)
2482                 AC_TRY_LINK([
2483                 #include <stdio.h>
2484                 #include <winsock2.h>
2485                 #include <ws2tcpip.h>
2486         ], [
2487                 getprotobyname(NULL);
2488         ], [
2489                 # Yes, we have it...
2490                 AC_MSG_RESULT(yes)
2491                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2492         ], [
2493                 AC_MSG_RESULT(no)
2494         ])
2495
2496         dnl **********************************
2497         dnl *** Check for getnameinfo ***
2498         dnl **********************************
2499         AC_MSG_CHECKING(for getnameinfo)
2500                 AC_TRY_LINK([
2501                 #include <stdio.h>
2502                 #include <winsock2.h>
2503                 #include <ws2tcpip.h>
2504         ], [
2505                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2506         ], [
2507                 # Yes, we have it...
2508                 AC_MSG_RESULT(yes)
2509                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2510         ], [
2511                 AC_MSG_RESULT(no)
2512         ])
2513
2514         dnl **********************************
2515         dnl *** Check for inet_ntop ***
2516         dnl **********************************
2517         AC_MSG_CHECKING(for inet_ntop)
2518                 AC_TRY_LINK([
2519                 #include <stdio.h>
2520                 #include <winsock2.h>
2521                 #include <ws2tcpip.h>
2522         ], [
2523                 inet_ntop (0, NULL, NULL, 0);
2524         ], [
2525                 # Yes, we have it...
2526                 AC_MSG_RESULT(yes)
2527                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2528         ], [
2529                 AC_MSG_RESULT(no)
2530         ])
2531
2532         dnl **********************************
2533         dnl *** Check for inet_pton ***
2534         dnl **********************************
2535         AC_MSG_CHECKING(for inet_pton)
2536                 AC_TRY_LINK([
2537                 #include <stdio.h>
2538                 #include <winsock2.h>
2539                 #include <ws2tcpip.h>
2540         ], [
2541                 #ifndef inet_pton
2542                 (void) inet_pton;
2543                 #endif
2544                 inet_pton (0, NULL, NULL);
2545         ], [
2546                 # Yes, we have it...
2547                 AC_MSG_RESULT(yes)
2548                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2549         ], [
2550                 AC_MSG_RESULT(no)
2551         ])
2552
2553         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2554         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2555         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2556         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2557         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2558         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2559         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2560 fi
2561
2562 dnl socklen_t check
2563 AC_MSG_CHECKING(for socklen_t)
2564 AC_TRY_COMPILE([
2565 #include <sys/types.h>
2566 #include <sys/socket.h>
2567 ],[
2568   socklen_t foo;
2569 ],[
2570 ac_cv_c_socklen_t=yes
2571         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2572         AC_MSG_RESULT(yes)
2573 ],[
2574         AC_MSG_RESULT(no)
2575 ])
2576
2577 AC_MSG_CHECKING(for array element initializer support)
2578 AC_TRY_COMPILE([#include <sys/socket.h>], [
2579         const int array[] = {[1] = 2,};
2580 ], [
2581         # Yes, we have it...
2582         AC_MSG_RESULT(yes)
2583         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2584 ], [
2585         # We'll have to use signals
2586         AC_MSG_RESULT(no)
2587 ])
2588
2589 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2590         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2591         AC_TRY_LINK([#include <math.h>],
2592         [ static void *p = &trunc; ],
2593         [
2594                 AC_DEFINE(HAVE_TRUNC)
2595                 AC_MSG_RESULT(yes)
2596                 ac_cv_trunc=yes
2597         ],
2598         AC_MSG_RESULT(no)))
2599
2600 if test "x$ac_cv_truncl" != "xyes"; then
2601    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2602 fi
2603
2604 AC_CHECK_FUNCS(execvp)
2605
2606 dnl ****************************
2607 dnl *** Look for /dev/random ***
2608 dnl ****************************
2609
2610 AC_MSG_CHECKING([if usage of random device is requested])
2611 AC_ARG_ENABLE(dev-random,
2612 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2613 try_dev_random=$enableval, try_dev_random=yes)
2614
2615 AC_MSG_RESULT($try_dev_random)
2616
2617 case "{$build}" in
2618     *-openbsd*)
2619     NAME_DEV_RANDOM="/dev/srandom"
2620     ;;
2621
2622 dnl Win32 does not have /dev/random, they have their own method...
2623
2624     *-mingw*|*-*-cygwin*)
2625     ac_cv_have_dev_random=no
2626     ;;
2627
2628 dnl Everywhere else, it's /dev/random
2629
2630     *)
2631     NAME_DEV_RANDOM="/dev/random"
2632     ;;
2633 esac
2634
2635 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2636
2637 dnl Now check if the device actually exists
2638
2639 if test "x$try_dev_random" = "xyes"; then
2640     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2641     [if test -r "$NAME_DEV_RANDOM" ; then
2642         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2643     if test "x$ac_cv_have_dev_random" = "xyes"; then
2644         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2645     fi
2646 else
2647     AC_MSG_CHECKING(for random device)
2648     ac_cv_have_dev_random=no
2649     AC_MSG_RESULT(has been disabled)
2650 fi
2651
2652 if test "x$host_win32" = "xyes"; then
2653     AC_DEFINE(HAVE_CRYPT_RNG)
2654 fi
2655
2656 if test "x$ac_cv_have_dev_random" = "xno" \
2657     && test "x$host_win32" = "xno"; then
2658     AC_MSG_WARN([[
2659 ***
2660 *** A system-provided entropy source was not found on this system.
2661 *** Because of this, the System.Security.Cryptography random number generator
2662 *** will throw a NotImplemented exception.
2663 ***
2664 *** If you are seeing this message, and you know your system DOES have an
2665 *** entropy collection in place, please contact <crichton@gimp.org> and
2666 *** provide information about the system and how to access the random device.
2667 ***
2668 *** Otherwise you can install either egd or prngd and set the environment
2669 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2670 ***]])
2671 fi
2672
2673 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2674
2675 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2676 if test "x$test_perf_events" = "xyes"; then
2677         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2678         AC_SUBST(ENABLE_PERF_EVENTS)
2679 fi
2680
2681 AC_MSG_CHECKING([if big-arrays are to be enabled])
2682 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2683 if test "x$enable_big_arrays" = "xyes" ; then
2684     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2685         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2686     else
2687         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2688     fi
2689 fi
2690 AC_MSG_RESULT($enable_big_arrays)
2691
2692 dnl **************
2693 dnl *** DTRACE ***
2694 dnl **************
2695
2696 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2697
2698 if test "x$enable_dtrace" = "xyes"; then
2699    if test "x$has_dtrace" = "xno"; then
2700           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2701    fi
2702    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2703    if test "x$DTRACE" = "xno"; then
2704           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2705           enable_dtrace=no
2706    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2707           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2708           enable_dtrace=no
2709    fi
2710 fi
2711
2712 dtrace_g=no
2713 if test "x$enable_dtrace" = "xyes"; then
2714         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2715         DTRACEFLAGS=
2716         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2717                 case "$host" in
2718                         powerpc-*-darwin*)
2719                         DTRACEFLAGS="-arch ppc64"
2720                         ;;
2721                         i*86-*-darwin*)
2722                         DTRACEFLAGS="-arch x86_64"
2723                         ;;
2724                         *)
2725                         DTRACEFLAGS=-64
2726                         ;;
2727                 esac
2728         else
2729                 case "$host" in
2730                         powerpc-*-darwin*)
2731                         DTRACEFLAGS="-arch ppc"
2732                         ;;
2733                         i*86-*-darwin*)
2734                         DTRACEFLAGS="-arch i386"
2735                         ;;
2736                         *)
2737                         DTRACEFLAGS=-32
2738                         ;;
2739                 esac
2740         fi
2741         AC_SUBST(DTRACEFLAGS)
2742         case "$host" in
2743                 *-*-solaris*)
2744                 dtrace_g=yes
2745                 ;;
2746         esac
2747         AC_CHECK_HEADERS([sys/sdt.h])
2748 fi
2749 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2750 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2751
2752 dnl **************
2753 dnl ***  NaCl  ***
2754 dnl **************
2755
2756 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2757 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2758
2759 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2760
2761 dnl
2762 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2763 dnl
2764 nacl_self_host=""
2765 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2766    nacl_self_host="nacl_self_host"
2767 fi
2768 AC_SUBST(nacl_self_host)
2769
2770 if test "x$enable_nacl_codegen" = "xyes"; then
2771    MONO_NACL_ALIGN_MASK_OFF=1
2772    AC_DEFINE(TARGET_NACL, 1, [...])
2773    AC_DEFINE(__native_client_codegen__, 1, [...])
2774 fi
2775 if test "x$enable_nacl_gc" = "xyes"; then
2776    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2777       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2778    else
2779       # Not yet implemented
2780       INSTRUMENT_CFLAG=""
2781    fi
2782    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2783 fi
2784 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2785
2786 dnl **************************
2787 dnl *** AOT cross offsets  ***
2788 dnl **************************
2789
2790 AC_ARG_WITH(cross-offsets, [  --with-cross-offsets=<offsets file path>    Explicit AOT cross offsets file],
2791     AC_DEFINE_UNQUOTED(MONO_OFFSETS_FILE, "$withval", [AOT cross offsets file]))
2792
2793 dnl **************
2794 dnl ***  LLVM  ***
2795 dnl **************
2796
2797 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=default)
2798 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2799 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2800 AC_ARG_ENABLE(llvm-runtime,[  --enable-llvm-runtime     Enable runtime support for llvmonly code], enable_llvm_runtime=$enableval, enable_llvm_runtime=no)
2801
2802 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2803
2804 if test "x$enable_llvm" = "xdefault"; then
2805    enable_llvm=$enable_llvm_default
2806 fi
2807
2808 if test "x$enable_llvm" = "xyes"; then
2809    if test "x$with_llvm" != "x"; then
2810           LLVM_CONFIG=$with_llvm/bin/llvm-config
2811           if test x$host_win32 = xyes; then
2812                 LLVM_CONFIG=$LLVM_CONFIG.exe
2813           fi
2814           if test ! -x $LLVM_CONFIG; then
2815                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2816       fi
2817    else
2818       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2819       if test "x$LLVM_CONFIG" = "xno"; then
2820              AC_MSG_ERROR([llvm-config not found.])
2821       fi
2822    fi
2823
2824    llvm_codegen="x86codegen"
2825    case "$target" in
2826    arm*)
2827                 llvm_codegen="armcodegen"
2828                 ;;
2829    esac
2830
2831    if test "x$host_win32" = "xno"; then
2832
2833    # Should be something like '2.6' or '2.7svn'
2834    llvm_version=`$LLVM_CONFIG --version`
2835    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2836    AC_MSG_CHECKING(LLVM version)
2837    AC_MSG_RESULT($llvm_version $llvm_api_version)
2838    if echo $llvm_version | grep -q 'mono'; then
2839           if test "x$enable_llvm_version_check" = "xyes"; then
2840                  if test "$llvm_version" != "$expected_llvm_version"; then
2841                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2842                  fi
2843           fi
2844    else
2845           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.])
2846    fi
2847
2848    # The output of --cflags seems to include optimizations flags too
2849    if test $llvm_api_version -gt 100; then
2850           # The --cflags argument includes all kinds of warnings -pendantic etc.
2851           LLVM_CFLAGS="-I$with_llvm/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2852           LLVM_CXXFLAGS="-I$with_llvm/include -std=c++11 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2853    else
2854           LLVM_CFLAGS=`$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'`
2855       LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2856    fi
2857    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2858    # from LLVM classes.
2859    LLVM_CXXFLAGS="$LLVM_CXXFLAGS -fno-rtti -fexceptions"
2860    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2861    # This might include empty lines
2862    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2863    llvm_jit_supported=yes
2864    llvm_jit_libs="jit mcjit $llvm_codegen"
2865    if test "x$host" != "x$target"; then
2866       # No need for jit libs
2867           llvm_jit_supported=no
2868       llvm_jit_libs=""
2869    elif test $llvm_api_version -gt 100; then
2870       llvm_jit_libs="orcjit $llvm_codegen"
2871    fi
2872    LLVM_LIBS=`$LLVM_CONFIG --libs analysis core bitwriter $llvm_jit_libs`
2873    if test "x$LLVM_LIBS" = "x"; then
2874           echo "$LLVM_CONFIG --libs failed."
2875           exit 1
2876    fi
2877    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS"
2878    # The c++ standard library used by llvm doesn't show up in $LLVM_SYSTEM_LIBS so add it manually
2879    if echo $LLVM_CXXFLAGS | grep -q -- '-stdlib=libc++'; then
2880       LLVM_LIBS="$LLVM_LIBS -lc++"
2881    else
2882       LLVM_LIBS="$LLVM_LIBS -lstdc++"
2883    fi
2884
2885    expected_llvm_version="3.4svn-mono-mono/e656cac"
2886
2887    else
2888        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2889        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-rtti -Woverloaded-virtual -Wcast-qual"
2890        LLVM_LDFLAGS="-L$with_llvm/lib"
2891        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2892        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2893          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2894          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2895          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2896          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2897          -lLLVMAnalysis -lLLVMTarget \
2898          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2899          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2900          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2901          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2902          -lLLVMSupport -lstdc++"
2903        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2904
2905        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2906        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2907    fi
2908
2909    if test "x$llvm_api_version" = "x"; then
2910           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2911           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2912    else
2913           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2914           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2915    fi
2916
2917    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2918
2919    AC_SUBST(LLVM_CFLAGS)
2920    AC_SUBST(LLVM_CXXFLAGS)
2921    AC_SUBST(LLVM_LIBS)
2922    AC_SUBST(LLVM_LDFLAGS)
2923    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2924 fi
2925
2926 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2927 if test "x$enable_loadedllvm" = "xyes"; then
2928    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2929 fi
2930 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2931
2932 if test "x$enable_llvm" = "xyes"; then
2933    enable_llvm_runtime=yes
2934 fi
2935 if test "x$enable_llvm_runtime" = "xyes"; then
2936    AC_DEFINE(ENABLE_LLVM_RUNTIME, 1, [Runtime support code for llvm enabled])
2937 fi
2938 AM_CONDITIONAL(ENABLE_LLVM_RUNTIME, [test x$enable_llvm_runtime = xyes])
2939
2940 TARGET="unknown"
2941 ACCESS_UNALIGNED="yes"
2942
2943 LIBC="libc.so.6"
2944 INTL="libc.so.6"
2945 SQLITE="libsqlite.so.0"
2946 SQLITE3="libsqlite3.so.0"
2947 X11="libX11.so"
2948 GDKX11="libgdk-x11-2.0.so.0"
2949 GTKX11="libgtk-x11-2.0.so.0"
2950 XINERAMA="libXinerama.so.1"
2951
2952 sizeof_register="SIZEOF_VOID_P"
2953
2954 jit_wanted=true
2955 boehm_supported=true
2956 BTLS_SUPPORTED=no
2957 BTLS_PLATFORM=
2958 case "$host" in
2959         mips*)
2960                 TARGET=MIPS;
2961                 arch_target=mips;
2962                 with_tls=pthread;
2963                 ACCESS_UNALIGNED="no"
2964
2965                 AC_MSG_CHECKING(for mips n32)
2966                 AC_TRY_COMPILE([],[
2967                 #if _MIPS_SIM != _ABIN32
2968                 #error Not mips n32
2969                 #endif
2970                 return 0;
2971                 ],[
2972                 AC_MSG_RESULT(yes)
2973                 sizeof_register=8
2974                 ],[
2975                 AC_MSG_RESULT(no)
2976                 ])
2977                 ;;
2978         i*86-*-*)
2979                 TARGET=X86;
2980                 arch_target=x86;
2981                 case $host_os in
2982                   solaris*)
2983                         LIBC="libc.so"
2984                         INTL="libintl.so"
2985                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2986                                 TARGET=AMD64
2987                                 arch_target=amd64
2988                         fi
2989
2990                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2991                         # int astruct __attribute__ ((visibility ("hidden")));
2992                         # void foo ()
2993                         # {
2994                         #       void *p = &astruct;
2995                         # }
2996                         # gcc -fPIC --shared -o libfoo.so foo.c
2997                         # yields:
2998                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2999                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
3000                         have_visibility_hidden=no
3001                         ;;
3002                   mingw*|cygwin*)
3003                         have_visibility_hidden=no
3004                         ;;
3005                   haiku*)
3006                         LIBC=libroot.so
3007                         ;;
3008                   linux*)
3009                         AOT_SUPPORTED="yes"
3010                         BTLS_SUPPORTED=yes
3011                         BTLS_PLATFORM=i386
3012                         ;;
3013                   darwin*)
3014                         AOT_SUPPORTED="yes"
3015                         BTLS_SUPPORTED=yes
3016                         BTLS_PLATFORM=i386
3017                         ;;
3018                   openbsd*|freebsd*|kfreebsd-gnu*)
3019                         ;;
3020                 esac
3021                 ;;
3022         x86_64-*-* | amd64-*-*)
3023                 TARGET=AMD64;
3024                 arch_target=amd64;
3025                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
3026                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3027                         sizeof_register=8
3028                 fi
3029                 case $host_os in
3030                   linux*)
3031                         AOT_SUPPORTED="yes"
3032                         BTLS_SUPPORTED=yes
3033                         BTLS_PLATFORM=x86_64
3034                         ;;
3035                   darwin*)
3036                         AOT_SUPPORTED="yes"
3037                         BTLS_SUPPORTED=yes
3038                         BTLS_PLATFORM=x86_64
3039                         ;;
3040                   openbsd*|freebsd*|kfreebsd-gnu*)
3041                         ;;
3042                   mingw*)
3043                         ;;
3044                 esac
3045                 case "$host" in
3046                         x86_64-*-nacl*)
3047                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3048                                 sizeof_register=8
3049                                 ;;
3050                 esac
3051                 ;;
3052         ia64-*-*)
3053                 TARGET=IA64
3054                 arch_target=ia64
3055                 ACCESS_UNALIGNED="no"
3056                 LIBC="libc.so.6.1"
3057                 INTL="libc.so.6.1"
3058                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
3059                 libmono_ldflags="-lunwind"
3060                 ;;
3061         sparc*-*-*)
3062                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3063                    TARGET=SPARC64
3064                 else
3065                         TARGET=SPARC
3066                 fi
3067                 arch_target=sparc;
3068                 ACCESS_UNALIGNED="no"
3069                 case $host_os in
3070                   linux*) ;;
3071                   *)
3072                         LIBC="libc.so"
3073                         INTL="libintl.so"
3074                 esac
3075                 if test x"$GCC" = xyes; then
3076                         # We don't support v8 cpus
3077                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
3078                 fi
3079                 if test x"$AR" = xfalse; then
3080                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
3081                 fi
3082                 ;;
3083         *-mingw*|*-*-cygwin*)
3084                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
3085                 have_visibility_hidden=no
3086                 INTL="intl"
3087                 ;;
3088         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
3089         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
3090                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
3091                         TARGET=POWERPC64;
3092                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
3093                         CFLAGS="$CFLAGS -mminimal-toc"
3094                 else
3095                         TARGET=POWERPC;
3096                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
3097                 fi
3098                 arch_target=ppc;
3099                 case $host_os in
3100                   linux*|darwin*)
3101                         ;;
3102                 esac
3103                 ;;
3104         armv7k-*-darwin*)
3105                 TARGET=ARM;
3106                 TARGET_SYS=WATCHOS
3107                 arch_target=arm;
3108                 arm_fpu=VFP_HARD
3109                 ACCESS_UNALIGNED="no"
3110                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3111                 ;;
3112
3113         arm*-darwin*)
3114                 TARGET=ARM;
3115                 arch_target=arm;
3116                 ACCESS_UNALIGNED="no"
3117                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3118                 ;;
3119         arm*-linux*)
3120                 TARGET=ARM;
3121                 arch_target=arm;
3122                 ACCESS_UNALIGNED="no"
3123                 AOT_SUPPORTED="yes"
3124                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3125                 ;;
3126         arm*-netbsd*-eabi*)
3127                 TARGET=ARM;
3128                 arch_target=arm;
3129                 ACCESS_UNALIGNED="no"
3130                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3131                 ;;
3132 # TODO: make proper support for NaCl host.
3133 #        arm*-*nacl)
3134 #               TARGET=ARM;
3135 #               arch_target=arm;
3136 #               ACCESS_UNALIGNED="no"
3137 #               AOT_SUPPORTED="no"
3138 #               ;;
3139         aarch64-*)
3140                 # https://lkml.org/lkml/2012/7/15/133
3141                 TARGET=ARM64
3142                 arch_target=arm64
3143                 boehm_supported=false
3144                 AOT_SUPPORTED="yes"
3145                 ;;
3146         s390x-*-linux*)
3147                 TARGET=S390X;
3148                 arch_target=s390x;
3149                 ACCESS_UNALIGNED="yes"
3150                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
3151                 ;;
3152 esac
3153
3154 HOST=$TARGET
3155
3156 if test "x$host" != "x$target"; then
3157    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
3158    enable_mcs_build=no
3159    BTLS_SUPPORTED=no
3160    case "$target" in
3161    arm*-darwin*)
3162                 TARGET=ARM;
3163                 arch_target=arm;
3164                 ACCESS_UNALIGNED="no"
3165                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3166                 # Can't use tls, since it depends on the runtime detection of tls offsets
3167                 # in mono-compiler.h
3168                 with_tls=pthread
3169                 case "$target" in
3170                 armv7k-*)
3171                         arm_fpu=VFP_HARD
3172                         AC_DEFINE(TARGET_WATCHOS, 1, [...])
3173                         ;;
3174                 esac
3175                 ;;
3176    powerpc64-ps3-linux-gnu)
3177                 TARGET=POWERPC64
3178                 arch_target=powerpc64
3179                 AC_DEFINE(TARGET_PS3, 1, [...])
3180                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3181                 # uses this define
3182                 AC_DEFINE(__mono_ppc64__, 1, [...])
3183                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3184                 sizeof_register=8
3185                 target_byte_order=G_BIG_ENDIAN
3186                 ;;
3187    powerpc64-xbox360-linux-gnu)
3188                 TARGET=POWERPC64
3189                 arch_target=powerpc64
3190                 AC_DEFINE(TARGET_XBOX360, 1, [...])
3191                 # It would be better to just use TARGET_POWERPC64, but lots of code already
3192                 # uses this define
3193                 sizeof_register=8
3194                 target_byte_order=G_BIG_ENDIAN
3195                 ;;
3196    x86_64-*-nacl)
3197                 TARGET=AMD64
3198                 arch_target=amd64
3199                 AC_DEFINE(TARGET_AMD64, 1, [...])
3200                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3201                 sizeof_register=8
3202                 ;;
3203 # TODO: make proper support for NaCl target.
3204 #   arm*-*nacl)
3205 #               TARGET=ARM
3206 #               arch_target=arm
3207 #               AC_DEFINE(TARGET_ARM, 1, [...])
3208 #               ACCESS_UNALIGNED="no"
3209 #               sizeof_register=4
3210 #               CPPFLAGS="$CPPFLAGS \
3211 #                    -D__ARM_EABI__ \
3212 #                    -D__arm__ \
3213 #                    -D__portable_native_client__ \
3214 #                    -Dtimezone=_timezone \
3215 #                    -DDISABLE_SOCKETS \
3216 #                    -DDISABLE_ATTACH \
3217 #                    -DUSE_NEWLIB"
3218                 # Can't use tls, since it depends on the runtime detection of tls offsets
3219                 # in mono-compiler.h
3220 #               with_tls=pthread
3221 #               ;;
3222    i686-*-nacl)
3223                 TARGET=X86
3224                 arch_target=x86
3225                 AC_DEFINE(TARGET_X86, 1, [...])
3226                 sizeof_register=4
3227                 ;;
3228    arm*-linux-*)
3229                 TARGET=ARM;
3230                 arch_target=arm;
3231                 AC_DEFINE(TARGET_ARM, 1, [...])
3232                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3233                 ACCESS_UNALIGNED="no"
3234                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3235                 # Can't use tls, since it depends on the runtime detection of tls offsets
3236                 # in mono-compiler.h
3237                 with_tls=pthread
3238                 target_mach=no
3239                 case "$target" in
3240                 armv7l-unknown-linux-gnueabi*)
3241                         # TEGRA
3242                         CPPFLAGS="$CPPFLAGS"
3243                         ;;
3244                 armv5-*-linux-androideabi*)
3245                         CPPFLAGS="$CPPFLAGS"
3246                         ;;
3247                 esac
3248                 ;;
3249    arm*-netbsd*-eabi*)
3250                 TARGET=ARM;
3251                 arch_target=arm;
3252                 AC_DEFINE(TARGET_ARM, 1, [...])
3253                 ACCESS_UNALIGNED="no"
3254                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3255                 # Can't use tls, since it depends on the runtime detection of tls offsets
3256                 # in mono-compiler.h
3257                 with_tls=pthread
3258                 target_mach=no
3259                 ;;
3260    i686*-linux-*)
3261                 TARGET=X86;
3262                 arch_target=x86;
3263                 AC_DEFINE(TARGET_X86, 1, [...])
3264                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3265                 CPPFLAGS="$CPPFLAGS"
3266                 # Can't use tls, since it depends on the runtime detection of tls offsets
3267                 # in mono-compiler.h
3268                 with_tls=pthread
3269                 target_mach=no
3270                 ;;
3271    x86_64*-linux-*)
3272                 TARGET=AMD64;
3273                 arch_target=amd64;
3274                 AC_DEFINE(TARGET_AMD64, 1, [...])
3275                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3276                 CPPFLAGS="$CPPFLAGS"
3277                 # Can't use tls, since it depends on the runtime detection of tls offsets
3278                 # in mono-compiler.h
3279                 with_tls=pthread
3280                 target_mach=no
3281                 ;;
3282    x86_64-ps4-freebsd)
3283                 TARGET=AMD64;
3284                 arch_target=amd64;
3285                 AC_DEFINE(TARGET_AMD64, 1, [...])
3286                 AC_DEFINE(TARGET_PS4, 1, [...])
3287                 AC_DEFINE(DISABLE_HW_TRAPS, 1, [...])
3288                 CPPFLAGS="$CPPFLAGS"
3289                 # Can't use tls, since it depends on the runtime detection of tls offsets
3290                 # in mono-compiler.h
3291                 with_tls=pthread
3292                 target_mach=no
3293                 target_win32=no
3294                 ;;
3295    aarch64*-linux-*)
3296                 TARGET=ARM64;
3297                 arch_target=arm64;
3298                 AC_DEFINE(TARGET_ARM64, 1, [...])
3299                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3300                 CPPFLAGS="$CPPFLAGS"
3301                 # Can't use tls, since it depends on the runtime detection of tls offsets
3302                 # in mono-compiler.h
3303                 with_tls=pthread
3304                 target_mach=no
3305                 ;;
3306         aarch64-*)
3307                 TARGET=ARM64
3308                 ;;
3309         *)
3310                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3311         esac
3312 fi
3313
3314 case "$TARGET" in
3315 X86)
3316         AC_DEFINE(TARGET_X86, 1, [...])
3317         ;;
3318 AMD64)
3319         AC_DEFINE(TARGET_AMD64, 1, [...])
3320         ;;
3321 ARM)
3322         AC_DEFINE(TARGET_ARM, 1, [...])
3323         ;;
3324 ARM64)
3325         AC_DEFINE(TARGET_ARM64, 1, [...])
3326         ;;
3327 POWERPC)
3328         AC_DEFINE(TARGET_POWERPC, 1, [...])
3329         ;;
3330 POWERPC64)
3331         AC_DEFINE(TARGET_POWERPC, 1, [...])
3332         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3333         ;;
3334 S390X)
3335         AC_DEFINE(TARGET_S390X, 1, [...])
3336         ;;
3337 MIPS)
3338         AC_DEFINE(TARGET_MIPS, 1, [...])
3339         ;;
3340 IA64)
3341         AC_DEFINE(TARGET_IA64, 1, [...])
3342         ;;
3343 SPARC)
3344         AC_DEFINE(TARGET_SPARC, 1, [...])
3345         ;;
3346 SPARC64)
3347         AC_DEFINE(TARGET_SPARC64, 1, [...])
3348         ;;
3349 esac
3350
3351 case "$HOST" in
3352 X86)
3353         AC_DEFINE(HOST_X86, 1, [...])
3354         ;;
3355 AMD64)
3356         AC_DEFINE(HOST_AMD64, 1, [...])
3357         ;;
3358 ARM)
3359         AC_DEFINE(HOST_ARM, 1, [...])
3360         ;;
3361 ARM64)
3362         AC_DEFINE(HOST_ARM64, 1, [...])
3363         ;;
3364 POWERPC)
3365         AC_DEFINE(HOST_POWERPC, 1, [...])
3366         ;;
3367 POWERPC64)
3368         AC_DEFINE(HOST_POWERPC, 1, [...])
3369         AC_DEFINE(HOST_POWERPC64, 1, [...])
3370         ;;
3371 S390X)
3372         AC_DEFINE(HOST_S390X, 1, [...])
3373         ;;
3374 MIPS)
3375         AC_DEFINE(HOST_MIPS, 1, [...])
3376         ;;
3377 IA64)
3378         AC_DEFINE(HOST_IA64, 1, [...])
3379         ;;
3380 SPARC)
3381         AC_DEFINE(HOST_SPARC, 1, [...])
3382         ;;
3383 SPARC64)
3384         AC_DEFINE(HOST_SPARC64, 1, [...])
3385         ;;
3386 esac
3387
3388
3389
3390 dnl *************
3391 dnl *** VTUNE ***
3392 dnl *************
3393
3394 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3395 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3396
3397 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3398
3399 if test "x$enable_vtune" = "xyes"; then
3400         if test "x$with_vtune" = "x"; then
3401                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3402         else
3403                 VTUNE_PATH=$with_vtune
3404         fi
3405         VTUNE_INCLUDE=$VTUNE_PATH/include
3406         case "$TARGET" in
3407         X86)
3408                 VTUNE_LIB=$VTUNE_PATH/lib32
3409                 ;;
3410         AMD64)
3411                 VTUNE_LIB=$VTUNE_PATH/lib64
3412                 ;;
3413         *)
3414                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3415                 ;;
3416         esac
3417         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3418                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3419         fi
3420         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3421                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3422         fi
3423
3424         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3425         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3426
3427         AC_SUBST(VTUNE_LIBS)
3428         AC_SUBST(VTUNE_CFLAGS)
3429 fi
3430 dnl Use GCC atomic ops if they work on the target.
3431 if test x$GCC = "xyes"; then
3432         case $TARGET in
3433         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3434                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3435                 ;;
3436         esac
3437 fi
3438
3439 if test "x$target_mach" = "xyes"; then
3440
3441    if test "x$TARGET_SYS" = "xWATCHOS"; then
3442           AC_DEFINE(TARGET_WATCHOS,1,[The JIT/AOT targets WatchOS])
3443           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3444           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_WATCHOS"
3445           BTLS_SUPPORTED=no
3446    elif test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3447           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3448           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3449           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3450           BTLS_SUPPORTED=no
3451    else
3452        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3453        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3454        #error fail this for ios
3455        #endif
3456        return 0;
3457        ], [
3458                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3459           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3460           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3461        ], [
3462           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3463           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3464           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3465           BTLS_SUPPORTED=no
3466        ])
3467         fi
3468    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3469 fi
3470
3471 if test "x$sizeof_register" = "x4"; then
3472    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3473 elif test "x$sizeof_register" = "x8"; then
3474    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3475 else
3476    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3477 fi
3478
3479 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3480    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3481 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3482    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3483 else
3484    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3485 fi
3486
3487 if test "x$have_visibility_hidden" = "xyes"; then
3488    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3489 fi
3490
3491 if test "x$have_deprecated" = "xyes"; then
3492    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3493 fi
3494
3495 dnl
3496 dnl Simple Generational checks (sgen)
3497 dnl
3498 SGEN_DEFINES=
3499 AC_ARG_WITH(sgen,                    [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=yes])
3500 AC_ARG_WITH(sgen-default-concurrent, [  --with-sgen-default-concurrent=yes,no             Use Concurrent GC, default=no],[],[with_sgen_default_concurrent=no])
3501 if test x$buildsgen = xyes; then
3502    AC_DEFINE(HAVE_MOVING_COLLECTOR, 1, [Moving collector])
3503    SGEN_DEFINES="-DHAVE_SGEN_GC"
3504
3505         conc_gc_msg=""
3506    if test x$with_sgen_default_concurrent != xno; then
3507        AC_DEFINE(HAVE_CONC_GC_AS_DEFAULT, 1, [Defaults to concurrent GC])
3508            conc_gc_msg=" (concurrent by default)"
3509    fi
3510
3511    if test "x$gc_msg" = "x"; then
3512       gc_msg="sgen$conc_gc_msg"
3513    else
3514       gc_msg="sgen$conc_gc_msg and $gc_msg"
3515    fi
3516 fi
3517 AC_SUBST(SGEN_DEFINES)
3518 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3519
3520 jit_status="Building and using the JIT"
3521
3522 libsuffix=".so"
3523
3524 case "$host" in
3525      *-*-darwin*)
3526         libsuffix=".dylib"
3527         LIBC="libc.dylib"
3528         INTL="libintl.dylib"
3529         SQLITE="libsqlite.0.dylib"
3530         SQLITE3="libsqlite3.0.dylib"
3531         X11="libX11.dylib"
3532         GDKX11="libgdk-x11-2.0.dylib"
3533         GTKX11="libgtk-x11-2.0.dylib"
3534         ;;
3535      *-*-*netbsd*)
3536         LIBC="libc.so"
3537         INTL="libintl.so"
3538         SQLITE="libsqlite.so"
3539         SQLITE3="libsqlite3.so"
3540         ;;
3541      *-*-kfreebsd*-gnu)
3542         LIBC="libc.so.0.1"
3543         INTL="libc.so.0.1"
3544         X11="libX11.so.6"
3545         ;;
3546     *-*-*freebsd*)
3547         LIBC="libc.so.7"
3548         INTL="libintl.so"
3549         SQLITE="libsqlite.so"
3550         SQLITE3="libsqlite3.so"
3551         ;;
3552     *-*-*openbsd*)
3553         LIBC="libc.so"
3554         INTL="libintl.so"
3555         SQLITE="libsqlite.so"
3556         SQLITE3="libsqlite3.so"
3557         ;;
3558     *-*-*linux*)
3559         AC_PATH_X
3560         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3561         AC_MSG_CHECKING(for the soname of libX11.so)
3562         for i in $x_libraries $dlsearch_path; do
3563                 for r in 4 5 6; do
3564                         if test -f $i/libX11.so.$r; then
3565                                 X11=libX11.so.$r
3566                                 AC_MSG_RESULT($X11)
3567                         fi
3568                 done
3569         done
3570
3571         if test "x$X11" = "xlibX11.so"; then
3572                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3573                 X11=libX11.so.6
3574         fi
3575         ;;
3576 esac
3577
3578
3579 AC_SUBST(libsuffix)
3580
3581 AC_ARG_WITH([libgdiplus],
3582         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3583         [], [with_libgdiplus=installed])
3584
3585 # default install location
3586 libgdiplus_install_loc=libgdiplus${libsuffix}
3587 case "$host" in
3588     *-*-*linux*)
3589     libgdiplus_install_loc=libgdiplus${libsuffix}.0
3590     ;;
3591 esac
3592
3593 case $with_libgdiplus in
3594     no|installed)
3595     libgdiplus_loc=
3596     ;;
3597
3598     yes|sibling)
3599     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3600     ;;
3601
3602     /*) # absolute path, assume it is an install location
3603     libgdiplus_loc=$with_libgdiplus
3604     libgdiplus_install_loc=$with_libgdiplus
3605     ;;
3606
3607     *)
3608     libgdiplus_loc=`pwd`/$with_libgdiplus
3609     ;;
3610 esac
3611 AC_SUBST([libgdiplus_loc])
3612 AC_SUBST([libgdiplus_install_loc])
3613
3614 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3615 if test "x$icall_symbol_map" = "xyes"; then
3616    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3617 fi
3618
3619 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3620 if test "x$icall_export" = "xyes"; then
3621    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3622 fi
3623
3624 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3625 if test "x$icall_tables" = "xno"; then
3626    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3627 fi
3628
3629 if test "x$with_tls" = "x__thread"; then
3630         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3631         # Pass the information to libgc
3632         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3633         AC_MSG_CHECKING(if the tls_model attribute is supported)
3634         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3635                 ], [
3636                         AC_MSG_RESULT(yes)
3637                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3638                 ], [
3639                         AC_MSG_RESULT(no)
3640         ])
3641 fi
3642
3643 if test ${TARGET} = ARM; then
3644         dnl ******************************************
3645         dnl *** Check to see what FPU is available ***
3646         dnl ******************************************
3647         AC_MSG_CHECKING(which FPU to use)
3648
3649         #
3650         # This is a bit tricky:
3651         #
3652         # if (__ARM_PCS_VFP) {
3653         #       /* mfloat-abi=hard == VFP with hard ABI */
3654         # } elif (!__SOFTFP__) {
3655         #       /* mfloat-abi=softfp == VFP with soft ABI */
3656         # } else {
3657         #       /* mfloat-abi=soft == no VFP */
3658         # }
3659         #
3660         # The exception is iOS (w/ GCC) where none of the above
3661         # are defined (but iOS always uses the 'softfp' ABI).
3662         #
3663         # No support for FPA.
3664         #
3665
3666         fpu=NONE
3667
3668         # iOS GCC always uses the 'softfp' ABI.
3669         if test x"$GCC" = xyes && test x$host_darwin = xyes; then
3670                 fpu=VFP
3671         fi
3672
3673         # Are we using the 'hard' ABI?
3674         if test x$fpu = xNONE; then
3675                 AC_TRY_COMPILE([], [
3676                         #ifndef __ARM_PCS_VFP
3677                         #error "Float ABI is not 'hard'"
3678                         #endif
3679                         return 0;
3680                 ], [
3681                         fpu=VFP_HARD
3682                 ], [
3683                         fpu=NONE
3684                 ])
3685         fi
3686
3687         # No 'hard' ABI. 'soft' or 'softfp'?
3688         if test x$fpu = xNONE; then
3689                 AC_TRY_COMPILE([], [
3690                         #ifdef __SOFTFP__
3691                         #error "Float ABI is not 'softfp'"
3692                         #endif
3693                         return 0;
3694                 ], [
3695                         fpu=VFP
3696                 ], [
3697                         fpu=NONE
3698                 ])
3699         fi
3700
3701         if test x$arm_fpu != x; then
3702            fpu=$arm_fpu
3703         fi
3704
3705         AC_MSG_RESULT($fpu)
3706         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3707         unset fpu
3708
3709         dnl *********************************************
3710         dnl *** Check which ARM version(s) we can use ***
3711         dnl *********************************************
3712         AC_MSG_CHECKING(which ARM version to use)
3713
3714         AC_TRY_COMPILE([], [
3715                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3716                 #error Not on ARM v5.
3717                 #endif
3718                 return 0;
3719         ], [
3720                 arm_v5=yes
3721
3722                 arm_ver=ARMv5
3723         ], [])
3724
3725         AC_TRY_COMPILE([], [
3726                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3727                 #error Not on ARM v6.
3728                 #endif
3729                 return 0;
3730         ], [
3731                 arm_v5=yes
3732                 arm_v6=yes
3733
3734                 arm_ver=ARMv6
3735         ], [])
3736
3737         AC_TRY_COMPILE([], [
3738                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3739                 #error Not on ARM v7.
3740                 #endif
3741                 return 0;
3742         ], [
3743                 arm_v5=yes
3744                 arm_v6=yes
3745                 arm_v7=yes
3746
3747                 arm_ver=ARMv7
3748         ], [])
3749
3750         AC_MSG_RESULT($arm_ver)
3751
3752         if test x$arm_v5 = xyes; then
3753                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3754                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3755         fi
3756
3757         if test x$arm_v6 = xyes; then
3758                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3759                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3760         fi
3761
3762         if test x$arm_v7 = xyes; then
3763                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3764                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3765         fi
3766 fi
3767
3768 if test ${TARGET} = unknown; then
3769         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3770         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3771 fi
3772
3773 if test "x$platform_android" = "xyes"; then
3774         case "x${TARGET}" in
3775         xARM)
3776                 case "x$arm_ver" in
3777                 xARMv5)
3778                         BTLS_SUPPORTED=yes
3779                         BTLS_PLATFORM=android-armv5
3780                         ;;
3781                 xARMv6)
3782                         BTLS_SUPPORTED=yes
3783                         BTLS_PLATFORM=android-armv6
3784                         ;;
3785                 xARMv7)
3786                         BTLS_SUPPORTED=yes
3787                         BTLS_PLATFORM=android-armv7
3788                         ;;
3789                 *)
3790                         BTLS_SUPPORTED=no
3791                         ;;
3792                 esac
3793                 ;;
3794         xARM64)
3795                 BTLS_SUPPORTED=yes
3796                 BTLS_PLATFORM=android-v8a
3797                 ;;
3798         xX86)
3799                 BTLS_SUPPORTED=yes
3800                 BTLS_PLATFORM=android-x86
3801                 ;;
3802         xAMD64)
3803                 BTLS_SUPPORTED=yes
3804                 BTLS_PLATFORM=android-x64
3805                 ;;
3806         *)
3807                 BTLS_SUPPORTED=no
3808                 ;;
3809         esac
3810 fi
3811
3812 if test ${ACCESS_UNALIGNED} = no; then
3813         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3814 fi
3815
3816 case "x$libgc" in
3817         xincluded)
3818                 # Pass CPPFLAGS to libgc configure
3819                 # We should use a separate variable for this to avoid passing useless and
3820                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3821                 # This should be executed late so we pick up the final version of CPPFLAGS
3822                 # The problem with this approach, is that during a reconfigure, the main
3823                 # configure scripts gets invoked with these arguments, so we use separate
3824                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3825                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3826                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3827                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3828                 fi
3829                 # Don't pass -finstrument-for-thread-suspension in,
3830                 # if these are instrumented it will be very bad news
3831                 # (infinite recursion, undefined parking behavior, etc)
3832                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3833                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3834                 if test "x$support_boehm" = "xyes"; then
3835                         AC_CONFIG_SUBDIRS(libgc)
3836                 fi
3837                 ;;
3838 esac
3839
3840 MALLOC_MEMPOOLS=no
3841 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3842         if test x$with_malloc_mempools = xyes; then
3843                 MALLOC_MEMPOOLS=yes
3844                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3845         fi
3846 ])
3847
3848
3849 DISABLE_MCS_DOCS=default
3850 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3851         if test x$with_mcs_docs != xyes; then
3852                 DISABLE_MCS_DOCS=yes
3853         fi
3854 ])
3855 if test -n "$INSTALL_4_x_TRUE"; then :
3856         DISABLE_MCS_DOCS=yes
3857 fi
3858 if test "x$DISABLE_MCS_DOCS" = "xdefault"; then
3859    DISABLE_MCS_DOCS=$DISABLE_MCS_DOCS_default
3860 fi
3861
3862 AC_ARG_WITH(lazy_gc_thread_creation, [  --with-lazy-gc-thread-creation=yes|no      Enable lazy runtime thread creation, embedding host must do it explicitly (defaults to no)],[
3863         if test x$with_lazy_gc_thread_creation != xno ; then
3864                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3865         fi
3866 ], [with_lazy_gc_thread_creation=no])
3867
3868 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])
3869
3870 if test x$with_cooperative_gc = xdefault; then
3871         with_cooperative_gc=$with_cooperative_gc_default
3872 fi
3873
3874 if test x$with_cooperative_gc != xno; then
3875         AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3876 fi
3877
3878 AM_CONDITIONAL([ENABLE_COOP], [test x$with_cooperative_gc != xno])
3879
3880 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],[
3881
3882         if test x$enable_checked_build != x ; then
3883                 AC_DEFINE(ENABLE_CHECKED_BUILD,1,[Enable checked build])
3884         fi
3885         for feature in `echo "$enable_checked_build" | sed -e "s/,/ /g"`; do
3886                 eval "mono_checked_build_test_enable_$feature='yes'"
3887         done
3888
3889         if test "x$mono_checked_build_test_enable_all" = "xyes"; then
3890                 eval "mono_checked_build_test_enable_gc='yes'"
3891                 eval "mono_checked_build_test_enable_metadata='yes'"
3892                 eval "mono_checked_build_test_enable_thread='yes'"
3893         fi
3894
3895         if test "x$mono_checked_build_test_enable_gc" = "xyes"; then
3896                 AC_DEFINE(ENABLE_CHECKED_BUILD_GC, 1, [Enable GC checked build])
3897         fi
3898
3899         if test "x$mono_checked_build_test_enable_metadata" = "xyes"; then
3900                 AC_DEFINE(ENABLE_CHECKED_BUILD_METADATA, 1, [Enable metadata checked build])
3901         fi
3902
3903         if test "x$mono_checked_build_test_enable_thread" = "xyes"; then
3904                 AC_DEFINE(ENABLE_CHECKED_BUILD_THREAD, 1, [Enable thread checked build])
3905         fi
3906
3907 ], [])
3908
3909 AC_CHECK_HEADER([malloc.h],
3910                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3911                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3912
3913 if test x"$GCC" = xyes; then
3914         # Implicit function declarations are not 64 bit safe
3915         # Do this late, since this causes lots of configure tests to fail
3916         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3917         # jay has a lot of implicit declarations
3918         JAY_CFLAGS="-Wno-implicit-function-declaration"
3919 fi
3920
3921 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3922 # instead of libmono-static.a
3923 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3924    LIBMONO_LA=libmini-static.la
3925 else
3926    if test x$buildsgen = xyes; then
3927       LIBMONO_LA=libmonosgen-$API_VER.la
3928    else
3929       LIBMONO_LA=libmonoboehm-$API_VER.la
3930    fi
3931 fi
3932 AC_SUBST(LIBMONO_LA)
3933
3934 dnl **************
3935 dnl ***  Btls  ***
3936 dnl **************
3937
3938 AC_ARG_ENABLE(btls, [  --disable-blts             Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
3939 AC_ARG_WITH(btls_android_ndk, [  --with-btls-android-ndk        Android NDK for BoringTls])
3940
3941 AM_CONDITIONAL(BTLS, test x$enable_btls = xyes)
3942
3943 btls_android=no
3944 if test "x$enable_btls" = "xyes"; then
3945         AC_PATH_PROG(CMAKE, [cmake], [no], [$PATH:/Applications/CMake.app/Contents/bin:/usr/local/bin])
3946         if test "x$CMAKE" = "xno"; then
3947                 AC_MSG_ERROR("cmake not found")
3948         fi
3949
3950         BTLS_ROOT=`cd $srcdir && pwd`/external/boringssl
3951         AC_SUBST(BTLS_ROOT)
3952
3953         btls_arch=
3954         btls_cflags=
3955         BTLS_CMAKE_ARGS=
3956
3957         case "$BTLS_PLATFORM" in
3958         i386)
3959                 btls_arch=i386
3960                 btls_cflags="-m32 -arch i386"
3961                 ;;
3962         x86_64)
3963                 btls_arch=x86_64
3964                 ;;
3965         android-armv5)
3966                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3967                 ;;
3968         android-armv6)
3969                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi\" -DANDROID_NATIVE_API_LEVEL=12"
3970                 ;;
3971         android-armv7)
3972                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"armeabi-v7a\" -DANDROID_NATIVE_API_LEVEL=12"
3973                 ;;
3974         android-v8a)
3975                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"arm64-v8a\" -DANDROID_NATIVE_API_LEVEL=12"
3976                 ;;
3977         android-x86)
3978                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86\" -DANDROID_NATIVE_API_LEVEL=12"
3979                 ;;
3980         android-x64)
3981                 BTLS_CMAKE_ARGS="-DANDROID_ABI=\"x86_64\" -DANDROID_NATIVE_API_LEVEL=12"
3982                 ;;
3983         *)
3984                 AC_MSG_ERROR(Invalid BTLS platform)
3985         esac
3986
3987         if test "x$platform_android" = "xyes"; then
3988                 btls_android=yes
3989                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=$BTLS_ROOT/util/android-cmake/android.toolchain.cmake"
3990                 if test "x$with_btls_android_ndk" != "x"; then
3991                         BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DANDROID_NDK=\"$with_btls_android_ndk\""
3992                 fi
3993         fi
3994
3995         if test "x$btls_arch" != "x"; then
3996                 BTLS_CMAKE_ARGS="$BTLS_CMAKE_ARGS -DBTLS_ARCH=\"$btls_arch\""
3997         fi
3998
3999         BTLS_CFLAGS="$CPPFLAGS_FOR_BTLS $btls_cflags"
4000         AC_SUBST(BTLS_ARCH)
4001         AC_SUBST(BTLS_CFLAGS)
4002         AC_SUBST(BTLS_PLATFORM)
4003         AC_SUBST(BTLS_CMAKE_ARGS)
4004
4005         AC_DEFINE(HAVE_BTLS, 1, [BoringTls is supported])
4006 else
4007         enable_btls=no
4008 fi
4009
4010 AM_CONDITIONAL(BTLS_ANDROID, test x$btls_android = xyes)
4011
4012 if test x$DISABLE_MCS_DOCS = xyes; then
4013    docs_dir=""
4014 else
4015    docs_dir=docs
4016 fi
4017 AC_SUBST(docs_dir)
4018
4019 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
4020 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
4021
4022 libmono_ldflags="$libmono_ldflags $LIBS"
4023
4024 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
4025 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
4026 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
4027 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
4028 AM_CONDITIONAL(X86, test x$TARGET = xX86)
4029 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
4030 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
4031 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
4032 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
4033 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
4034 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
4035 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
4036 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
4037 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
4038 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
4039 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
4040 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
4041 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
4042
4043 AC_SUBST(LIBC)
4044 AC_SUBST(INTL)
4045 AC_SUBST(SQLITE)
4046 AC_SUBST(SQLITE3)
4047 AC_SUBST(X11)
4048 AC_SUBST(GDKX11)
4049 AC_SUBST(GTKX11)
4050 AC_SUBST(XINERAMA)
4051 AC_DEFINE_UNQUOTED(MONO_ARCHITECTURE,"$arch_target",[The architecture this is running on])
4052 AC_SUBST(arch_target)
4053 AC_SUBST(CFLAGS)
4054 AC_SUBST(CPPFLAGS)
4055 AC_SUBST(LDFLAGS)
4056
4057 #This must always be defined when building the runtime
4058 AC_DEFINE(MONO_INSIDE_RUNTIME,1, [Disable banned functions from being used by the runtime])
4059
4060 mono_build_root=`pwd`
4061 AC_SUBST(mono_build_root)
4062
4063 mono_runtime=mono/mini/mono
4064 AC_SUBST(mono_runtime)
4065
4066 mono_cfg_root=$mono_build_root/runtime
4067 if test x$host_win32 = xyes; then
4068   if test "x$cross_compiling" = "xno"; then
4069     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
4070   else
4071     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
4072   fi
4073 else
4074   mono_cfg_dir=$mono_cfg_root/etc
4075 fi
4076 AC_SUBST(mono_cfg_dir)
4077
4078 AC_CONFIG_FILES([po/mcs/Makefile.in])
4079
4080 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
4081 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
4082
4083 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
4084 [   depth=../../../..
4085     case $srcdir in
4086     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4087     .) reldir=$depth ;;
4088     *) reldir=$depth/$srcdir ;;
4089     esac
4090     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
4091     cd runtime/etc/mono/1.0
4092     rm -f machine.config
4093     $LN_S $reldir/data/net_1_1/machine.config machine.config
4094     cd $depth
4095 ],[LN_S='$LN_S'])
4096
4097 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
4098 [   depth=../../../..
4099     case $srcdir in
4100     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4101     .) reldir=$depth ;;
4102     *) reldir=$depth/$srcdir ;;
4103     esac
4104     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4105     cd runtime/etc/mono/2.0
4106     rm -f machine.config
4107     $LN_S $reldir/data/net_2_0/machine.config machine.config
4108     cd $depth
4109 ],[LN_S='$LN_S'])
4110
4111 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
4112 [   depth=../../../..
4113     case $srcdir in
4114     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4115     .) reldir=$depth ;;
4116     *) reldir=$depth/$srcdir ;;
4117     esac
4118     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
4119     cd runtime/etc/mono/2.0
4120     rm -f web.config
4121     $LN_S $reldir/data/net_2_0/web.config web.config
4122     cd $depth
4123 ],[LN_S='$LN_S'])
4124
4125 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
4126 [   depth=../../..
4127     case $srcdir in
4128     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4129     .) reldir=$depth ;;
4130     *) reldir=$depth/$srcdir ;;
4131     esac
4132     $ac_aux_dir/install-sh -d runtime/etc/mono/
4133     cd runtime/etc/mono/
4134     rm -f browscap.ini
4135     $LN_S $reldir/data/browscap.ini browscap.ini
4136     cd $depth
4137 ],[LN_S='$LN_S'])
4138
4139 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
4140 [   depth=../../../../..
4141     case $srcdir in
4142     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4143     .) reldir=$depth ;;
4144     *) reldir=$depth/$srcdir ;;
4145     esac
4146     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
4147     cd runtime/etc/mono/2.0/Browsers
4148     rm -f Compat.browser
4149     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4150     cd $depth
4151 ],[LN_S='$LN_S'])
4152
4153 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
4154 [   depth=../../../../..
4155     case $srcdir in
4156     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4157     .) reldir=$depth ;;
4158     *) reldir=$depth/$srcdir ;;
4159     esac
4160     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
4161     cd runtime/etc/mono/4.0/Browsers
4162     rm -f Compat.browser
4163     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4164     cd $depth
4165 ],[LN_S='$LN_S'])
4166
4167 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
4168 [   depth=../../../../..
4169     case $srcdir in
4170     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4171     .) reldir=$depth ;;
4172     *) reldir=$depth/$srcdir ;;
4173     esac
4174     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
4175     cd runtime/etc/mono/4.5/Browsers
4176     rm -f Compat.browser
4177     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
4178     cd $depth
4179 ],[LN_S='$LN_S'])
4180
4181 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
4182 [   depth=../../../..
4183     case $srcdir in
4184     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4185     .) reldir=$depth ;;
4186     *) reldir=$depth/$srcdir ;;
4187     esac
4188     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4189     cd runtime/etc/mono/4.0
4190     rm -f machine.config
4191     $LN_S $reldir/data/net_4_0/machine.config machine.config
4192     cd $depth
4193 ],[LN_S='$LN_S'])
4194
4195 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
4196 [   depth=../../../..
4197     case $srcdir in
4198     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4199     .) reldir=$depth ;;
4200     *) reldir=$depth/$srcdir ;;
4201     esac
4202     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
4203     cd runtime/etc/mono/4.0
4204     rm -f web.config
4205     $LN_S $reldir/data/net_4_0/web.config web.config
4206     cd $depth
4207 ],[LN_S='$LN_S'])
4208
4209 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
4210 [   depth=../../../..
4211     case $srcdir in
4212     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4213     .) reldir=$depth ;;
4214     *) reldir=$depth/$srcdir ;;
4215     esac
4216     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4217     cd runtime/etc/mono/4.5
4218     rm -f machine.config
4219     $LN_S $reldir/data/net_4_5/machine.config machine.config
4220     cd $depth
4221 ],[LN_S='$LN_S'])
4222
4223 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
4224 [   depth=../../../..
4225     case $srcdir in
4226     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
4227     .) reldir=$depth ;;
4228     *) reldir=$depth/$srcdir ;;
4229     esac
4230     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
4231     cd runtime/etc/mono/4.5
4232     rm -f web.config
4233     $LN_S $reldir/data/net_4_5/web.config web.config
4234     cd $depth
4235 ],[LN_S='$LN_S'])
4236
4237 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])
4238 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])
4239
4240 AC_OUTPUT([
4241 Makefile
4242 mono-uninstalled.pc
4243 acceptance-tests/Makefile
4244 llvm/Makefile
4245 scripts/mono-find-provides
4246 scripts/mono-find-requires
4247 mono/Makefile
4248 mono/btls/Makefile
4249 mono/utils/Makefile
4250 mono/metadata/Makefile
4251 mono/dis/Makefile
4252 mono/cil/Makefile
4253 mono/arch/Makefile
4254 mono/arch/x86/Makefile
4255 mono/arch/amd64/Makefile
4256 mono/arch/ppc/Makefile
4257 mono/arch/sparc/Makefile
4258 mono/arch/s390x/Makefile
4259 mono/arch/arm/Makefile
4260 mono/arch/arm64/Makefile
4261 mono/arch/ia64/Makefile
4262 mono/arch/mips/Makefile
4263 mono/sgen/Makefile
4264 mono/tests/Makefile
4265 mono/tests/tests-config
4266 mono/tests/assemblyresolve/Makefile
4267 mono/tests/gc-descriptors/Makefile
4268 mono/unit-tests/Makefile
4269 mono/benchmark/Makefile
4270 mono/io-layer/Makefile
4271 mono/mini/Makefile
4272 mono/profiler/Makefile
4273 m4/Makefile
4274 ikvm-native/Makefile
4275 scripts/Makefile
4276 man/Makefile
4277 docs/Makefile
4278 data/Makefile
4279 data/net_2_0/Makefile
4280 data/net_4_0/Makefile
4281 data/net_4_5/Makefile
4282 data/net_2_0/Browsers/Makefile
4283 data/net_4_0/Browsers/Makefile
4284 data/net_4_5/Browsers/Makefile
4285 data/mint.pc
4286 data/mono-2.pc
4287 data/monosgen-2.pc
4288 data/mono.pc
4289 data/mono-cairo.pc
4290 data/mono-nunit.pc
4291 data/mono-options.pc
4292 data/mono-lineeditor.pc
4293 data/monodoc.pc
4294 data/dotnet.pc
4295 data/dotnet35.pc
4296 data/wcf.pc
4297 data/cecil.pc
4298 data/system.web.extensions_1.0.pc
4299 data/system.web.extensions.design_1.0.pc
4300 data/system.web.mvc.pc
4301 data/system.web.mvc2.pc
4302 data/system.web.mvc3.pc
4303 data/aspnetwebstack.pc
4304 data/reactive.pc
4305 samples/Makefile
4306 support/Makefile
4307 data/config
4308 tools/Makefile
4309 tools/locale-builder/Makefile
4310 tools/sgen/Makefile
4311 tools/monograph/Makefile
4312 tools/pedump/Makefile
4313 runtime/Makefile
4314 msvc/Makefile
4315 po/Makefile
4316 ])
4317
4318 # Update all submodules recursively to ensure everything is checked out
4319 $srcdir/scripts/update_submodules
4320
4321 if test x$host_win32 = xyes; then
4322    # Get rid of 'cyg' prefixes in library names
4323    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4324    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
4325    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
4326    # executable doesn't work...
4327    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
4328 fi
4329
4330 if test x$host_darwin = xyes; then
4331    # This doesn't seem to be required and it slows down parallel builds
4332    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
4333 fi
4334
4335 (
4336   case $prefix in
4337   NONE) prefix=$ac_default_prefix ;;
4338   esac
4339   case $exec_prefix in
4340   NONE) exec_prefix='${prefix}' ;;
4341   esac
4342
4343   #
4344   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
4345   # any existing config.make.  This allows people to share the same source tree
4346   # with different build directories, one native and one cross
4347   #
4348   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
4349
4350     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
4351
4352     echo "prefix=$prefix" > $mcs_topdir/build/config.make
4353     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
4354     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
4355     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
4356     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
4357     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
4358     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
4359     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
4360
4361     case $INSTALL in
4362     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
4363     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
4364     esac
4365
4366     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
4367
4368     export VERSION
4369     [myver=$($AWK 'BEGIN {
4370       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
4371       if(length(vsplit [1]) > 4) {
4372         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
4373       }
4374       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4375     }')]
4376
4377     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4378
4379     if test x$host_darwin = xyes; then
4380       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4381     fi
4382
4383     if test "x$PLATFORM_AOT_SUFFIX" != "x"; then
4384       echo "PLATFORM_AOT_SUFFIX = $PLATFORM_AOT_SUFFIX" >> $mcs_topdir/build/config.make
4385     fi
4386
4387         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4388            enable_system_aot=yes
4389         fi
4390
4391     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4392       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4393     fi
4394
4395     if test x$DISABLE_MCS_DOCS = xyes; then
4396       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4397     fi
4398
4399     if test x$has_extension_module != xno; then
4400         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4401     fi
4402
4403     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4404
4405     if test "x$test_bcl_opt" = "xyes"; then
4406       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4407     fi
4408
4409     if test "x$AOT_BUILD_FLAGS" != "x" ; then
4410       echo "AOT_RUN_FLAGS=$AOT_RUN_FLAGS" >> $srcdir/$mcsdir/build/config.make
4411       echo "AOT_BUILD_FLAGS=$AOT_BUILD_FLAGS" >> $srcdir/$mcsdir/build/config.make
4412     fi
4413
4414   fi
4415
4416 )
4417
4418 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4419
4420 btls_platform_string=
4421 if test x$enable_btls = xyes; then
4422         if test x$btls_android = xyes; then
4423                 btls_platform_string=" (android:$BTLS_PLATFORM)"
4424         else
4425                 btls_platform_string=" ($BTLS_PLATFORM)"
4426         fi
4427 fi
4428
4429 echo "
4430         mcs source:    $mcsdir
4431
4432    Engine:
4433         Host:          $host
4434         Target:        $target
4435         GC:            $gc_msg
4436         TLS:           $with_tls
4437         SIGALTSTACK:   $with_sigaltstack
4438         Engine:        $jit_status
4439         BigArrays:     $enable_big_arrays
4440         DTrace:        $enable_dtrace
4441         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4442
4443    Libraries:
4444         .NET 4.x:        $with_profile4_x
4445         Xamarin.Android: $with_monodroid
4446         Xamarin.iOS:     $with_monotouch
4447         Xamarin.WatchOS: $with_monotouch_watch
4448         Xamarin.TVOS:    $with_monotouch_tv
4449         Xamarin.Mac:     $with_xammac
4450         mobile_static:   $with_mobile_static
4451         JNI support:     $jdk_headers_found
4452         libgdiplus:      $libgdiplus_msg
4453         zlib:            $zlib_msg
4454         BTLS:            $enable_btls$btls_platform_string
4455         $disabled
4456 "
4457 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4458    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4459 fi