configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 #AC_PREREQ([2.62])
   3
   4 AC_INIT(mono, [4.1.0],
   5         [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
   6
   7 AC_CONFIG_SRCDIR([README.md])
   8 AC_CONFIG_MACRO_DIR([m4])
   9 AC_CANONICAL_SYSTEM
  10 AC_CANONICAL_HOST
  11
  12 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
  13 # The extra brackets are to foil regex-based scans.
  14 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
  15
  16 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar no-dist-gzip foreign subdir-objects])
  17 AC_CONFIG_HEADERS([config.h])
  18 AM_MAINTAINER_MODE
  19
  20 API_VER=2.0
  21 AC_SUBST(API_VER)
  22
  23 AC_PROG_LN_S
  24
  25 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  26
  27 case $host_os in
  28 *cygwin* )
  29                  echo "Run configure using ./configure --host=i686-pc-mingw32"
  30                  exit 1
  31 esac
  32
  33 # In case of cygwin, override LN_S, irrespective of what it determines.
  34 # The build uses cygwin, but the actual runtime doesn't.
  35 case $host_os in
  36 *cygwin* ) LN_S='cp -p';;
  37 esac
  38
  39 #
  40 # libgc defaults
  41 #
  42 libgc_configure_args=
  43
  44 if test -d $srcdir/libgc ; then
  45   libgc_default=included
  46 else
  47   libgc_default=boehm
  48 fi
  49
  50 # These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
  51 # libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
  52 CPPFLAGS_FOR_LIBGC=$CPPFLAGS
  53 CFLAGS_FOR_LIBGC=$CFLAGS
  54 CPPFLAGS_FOR_EGLIB=$CPPFLAGS
  55 CFLAGS_FOR_EGLIB=$CFLAGS
  56
  57 # libgc uses some deprecated APIs
  58 CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
  59
  60 #
  61 # These are the flags that need to be stored in the mono.pc file for
  62 # compiling code that will embed Mono
  63 #
  64 libmono_cflags=""
  65 libmono_ldflags=""
  66 AC_SUBST(libmono_cflags)
  67 AC_SUBST(libmono_ldflags)
  68
  69 # Variable to have relocatable .pc files (lib, or lib64)
  70 reloc_libdir=`basename ${libdir}`
  71 AC_SUBST(reloc_libdir)
  72
  73 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  74 need_link_unlink=no
  75
  76 #Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
  77 extra_runtime_ldflags=""
  78
  79 # Thread configuration inspired by sleepycat's db
  80 AC_MSG_CHECKING([host platform characteristics])
  81 libgc_threads=no
  82 has_dtrace=no
  83 parallel_mark=yes
  84 ikvm_native=yes
  85
  86 case "$host" in
  87         powerpc*-*-linux*)
  88                 # https://bugzilla.novell.com/show_bug.cgi?id=504411
  89                 disable_munmap=yes
  90         ;;
  91 esac
  92
  93 host_win32=no
  94 target_win32=no
  95 platform_android=no
  96 platform_darwin=no
  97 case "$host" in
  98         *-mingw*|*-*-cygwin*)
  99                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 100                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 101                 host_win32=yes
 102                 mono_cv_clang=no
 103                 if test "x$cross_compiling" = "xno"; then
 104                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 105                                 target_win32=yes
 106                         fi
 107                 else
 108                         if test "x$host" == "x$target"; then
 109                                 target_win32=yes
 110                         fi
 111                 fi
 112                 HOST_CC="gcc"
 113                 # Windows Vista or later is required
 114                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -D_WIN32_WINNT=0x0600 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 115                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 116                 libmono_cflags="-mms-bitfields -mwindows"
 117                 libmono_ldflags="-mms-bitfields -mwindows"
 118                 libdl=
 119                 libgc_threads=win32
 120                 libgc_default=included
 121                 with_sigaltstack=no
 122                 with_tls=pthread
 123                 LN_S=cp
 124                 # This forces libgc to use the DllMain based thread registration code on win32
 125                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 126                 ;;
 127         *-*-*netbsd*)
 128                 host_win32=no
 129                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 130                 libmono_cflags="-D_REENTRANT"
 131                 LDFLAGS="$LDFLAGS -pthread"
 132                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 133                 libmono_ldflags="-pthread"
 134                 need_link_unlink=yes
 135                 libdl="-ldl"
 136                 libgc_threads=pthreads
 137                 with_sigaltstack=no
 138                 use_sigposix=yes
 139                 ;;
 140         *-*-kfreebsd*-gnu)
 141                 host_win32=no
 142                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 143                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 144                 libmono_ldflags="-lpthread -pthread"
 145                 libdl="-ldl"
 146                 libgc_threads=pthreads
 147                 need_link_unlink=yes
 148                 with_sigaltstack=no
 149                 use_sigposix=yes
 150                 ;;
 151         *-*-*freebsd*)
 152                 host_win32=no
 153                 if test "x$PTHREAD_CFLAGS" = "x"; then
 154                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 155                         libmono_cflags=
 156                 else
 157                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 158                         libmono_cflags="$PTHREAD_CFLAGS"
 159                 fi
 160                 if test "x$PTHREAD_LIBS" = "x"; then
 161                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 162                         libmono_ldflags="-pthread"
 163                 else
 164                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 165                         libmono_ldflags="$PTHREAD_LIBS"
 166                 fi
 167                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 168                 need_link_unlink=yes
 169                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 170                 libdl=
 171                 libgc_threads=pthreads
 172                 use_sigposix=yes
 173                 has_dtrace=yes
 174                 ;;
 175         *-*-*openbsd*)
 176                 host_win32=no
 177                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 178                 if test "x$disable_munmap" != "xyes"; then
 179                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 180                 fi
 181                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 182                 LDFLAGS="$LDFLAGS -pthread"
 183                 need_link_unlink=yes
 184                 AC_DEFINE(PTHREAD_POINTER_ID)
 185                 libdl=
 186                 libgc_default=boehm
 187                 libgc_threads=pthreads
 188                 with_sigaltstack=no
 189                 use_sigposix=yes
 190                 ;;
 191         *-*-linux-android*)
 192                 host_win32=no
 193                 platform_android=yes
 194                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 195                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 196
 197                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 198                 if test "x$disable_munmap" != "xyes"; then
 199                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 200                 fi
 201                 libmono_cflags="-D_REENTRANT"
 202                 libdl="-ldl"
 203                 libgc_threads=pthreads
 204                 use_sigposix=yes
 205
 206                 with_tls=pthread
 207                 with_sigaltstack=no
 208                 with_static_mono=no
 209
 210                 # Android doesn't support boehm, as it's missing <link.h>
 211                 support_boehm=no
 212                 with_gc=sgen
 213
 214                 # isinf(3) requires -lm; see isinf check below
 215                 LDFLAGS="$LDFLAGS -lm"
 216
 217                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 218                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 219                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 220                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 221                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 222
 223                 # The configure check can't detect this
 224                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 225
 226                 # to bypass the underscore linker check, can't work when cross-compiling
 227                 mono_cv_uscore=yes
 228                 mono_cv_clang=no
 229                 ;;
 230         *-*-linux*)
 231                 host_win32=no
 232                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 233                 if test "x$disable_munmap" != "xyes"; then
 234                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 235                 fi
 236                 libmono_cflags="-D_REENTRANT"
 237                 libdl="-ldl"
 238                 libgc_threads=pthreads
 239                 use_sigposix=yes
 240                 if test "x$cross_compiling" != "xno"; then
 241                         # to bypass the underscore linker check, not
 242                         # available during cross-compilation
 243                         mono_cv_uscore=no
 244                 fi
 245                 case "$host" in
 246                 aarch64-*)
 247                         support_boehm=no
 248                         with_gc=sgen
 249                         ;;
 250                 esac
 251                 ;;
 252         *-*-nacl*)
 253                 host_win32=no
 254                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 255                 if test "x$disable_munmap" != "xyes"; then
 256                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 257                 fi
 258                 libmono_cflags="-D_REENTRANT"
 259                 libdl=
 260                 libgc_threads=pthreads
 261                 libgc_default=boehm
 262                 use_sigposix=yes
 263                 ikvm_native=no
 264                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 265                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 266                 ;;
 267         *-*-hpux*)
 268                 host_win32=no
 269                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 270                 # +ESdbgasm only valid on bundled cc on RISC
 271                 # silently ignored for ia64
 272                 if test $GCC != "yes"; then
 273                         CFLAGS="$CFLAGS +ESdbgasm"
 274                         # Arrange for run-time dereferencing of null
 275                         # pointers to produce a SIGSEGV signal.
 276                         LDFLAGS="$LDFLAGS -z"
 277                 fi
 278                 CFLAGS="$CFLAGS +ESdbgasm"
 279                 LDFLAGS="$LDFLAGS -z"
 280                 libmono_cflags="-D_REENTRANT"
 281                 libmono_ldflags="-lpthread"
 282                 libgc_threads=pthreads
 283                 need_link_unlink=yes
 284                 use_sigposix=yes
 285                 ;;
 286         *-*-solaris*)
 287                 host_win32=no
 288                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 289                 need_link_unlink=yes
 290                 libmono_cflags="-D_REENTRANT"
 291                 libgc_threads=pthreads
 292                 # This doesn't seem to work on solaris/x86, but the configure test runs
 293                 with_tls=pthread
 294                 has_dtrace=yes
 295                 use_sigposix=yes
 296                 enable_solaris_tar_check=yes
 297                 ;;
 298         *-*-darwin*)
 299                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 300                 host_win32=no
 301                 platform_darwin=yes
 302                 target_mach=yes
 303                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 304                 libmono_cflags="-D_THREAD_SAFE"
 305                 need_link_unlink=yes
 306                 AC_DEFINE(PTHREAD_POINTER_ID)
 307                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 308                 libdl=
 309                 libgc_threads=pthreads
 310                 has_dtrace=yes
 311                 if test "x$cross_compiling" = "xyes"; then
 312                         has_broken_apple_cpp=yes
 313                 fi
 314                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 315                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 316                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 317                 case "$host" in
 318                         dnl Snow Leopard and newer config.guess reports as this
 319                         i*86-*-darwin*)
 320                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 321                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 322                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 323                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 324                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 325                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 326                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 327                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 328                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 329                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 330                                 ;;
 331                         x*64-*-darwin*)
 332                                 ;;
 333                         arm*-darwin*)
 334                                 has_dtrace=no
 335                                 ;;
 336                 esac
 337                 ;;
 338         *-*-haiku*)
 339                 host_win32=no
 340                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 341                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 342                 libdl=
 343                 LIBS="$LIBS -lnetwork"
 344                 need_link_unlink=yes
 345                 AC_DEFINE(PTHREAD_POINTER_ID)
 346                 libgc_threads=pthreads
 347                 use_sigposix=yes
 348                 ;;
 349         *)
 350                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 351                 host_win32=no
 352                 libdl="-ldl"
 353                 ;;
 354 esac
 355 AC_MSG_RESULT(ok)
 356
 357 if test x$need_link_unlink = xyes; then
 358    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 359 fi
 360
 361 if test x$host_win32 = xyes; then
 362    AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
 363 fi
 364
 365 if test x$target_win32 = xyes; then
 366    AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
 367 fi
 368
 369 AC_SUBST(extra_runtime_ldflags)
 370 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 371 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 372 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 373 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 374 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 375 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 376 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 377
 378 AC_CHECK_TOOL(CC, gcc, gcc)
 379 AC_PROG_CC
 380 AC_CHECK_TOOL(CXX, g++, g++)
 381 AC_PROG_CXX
 382 AM_PROG_AS
 383 AC_PROG_INSTALL
 384 AC_PROG_AWK
 385 AM_PROG_CC_C_O
 386 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 387 : ${CCAS='$(CC)'}
 388 # Set ASFLAGS if not already set.
 389 : ${CCASFLAGS='$(CFLAGS)'}
 390 AC_SUBST(CCAS)
 391 AC_SUBST(CCASFLAGS)
 392
 393 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 394 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 395 if test "x$CXX" = "xg++"; then
 396         if test "x$GXX" != "xyes"; then
 397                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 398                 # are inside automake conditionals
 399                 AC_MSG_ERROR([You need to install g++])
 400         fi
 401 fi
 402
 403 dnl may require a specific autoconf version
 404 dnl AC_PROG_CC_FOR_BUILD
 405 dnl CC_FOR_BUILD not automatically detected
 406 CC_FOR_BUILD=$CC
 407 CFLAGS_FOR_BUILD=$CFLAGS
 408 BUILD_EXEEXT=
 409 if test "x$cross_compiling" = "xyes"; then
 410         CC_FOR_BUILD=cc
 411         CFLAGS_FOR_BUILD=
 412         BUILD_EXEEXT=""
 413 fi
 414 AC_SUBST(CC_FOR_BUILD)
 415 AC_SUBST(CFLAGS_FOR_BUILD)
 416 AC_SUBST(HOST_CC)
 417 AC_SUBST(BUILD_EXEEXT)
 418
 419 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 420 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 421
 422 # Set STDC_HEADERS
 423 AC_HEADER_STDC
 424 AC_LIBTOOL_WIN32_DLL
 425 # This causes monodis to not link correctly
 426 #AC_DISABLE_FAST_INSTALL
 427 AM_PROG_LIBTOOL
 428 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 429 DOLT
 430
 431 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 432 AC_SUBST(export_ldflags)
 433
 434 # Test whenever ld supports -version-script
 435 AC_PROG_LD
 436 AC_PROG_LD_GNU
 437
 438 AM_ICONV()
 439
 440 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)
 441 AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/sem.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)
 442 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 443                   [], [], [#include <stddef.h>
 444                   #include <sys/socket.h>
 445                   #include <linux/socket.h>])
 446
 447 AC_CHECK_HEADERS(sys/user.h, [], [],
 448 [
 449 #ifdef HAVE_SYS_PARAM_H
 450 # include <sys/param.h>
 451 #endif
 452 ])
 453
 454 AC_CHECK_HEADERS(linux/serial.h)
 455
 456 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 457 if test x$have_zlib = xyes; then
 458    AC_TRY_COMPILE([#include <zlib.h>], [
 459    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 460    return 0;
 461    #else
 462    #error No good zlib found
 463    #endif
 464    ],[
 465         AC_MSG_RESULT(Using system zlib)
 466         zlib_msg="system zlib"
 467         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 468    ],[
 469         AC_MSG_RESULT(Using embedded zlib)
 470         have_zlib=no
 471         zlib_msg="bundled zlib"
 472    ])
 473 fi
 474
 475 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 476 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 477
 478 # for mono/metadata/debug-symfile.c
 479 AC_CHECK_HEADERS(elf.h)
 480
 481 # for support
 482 AC_CHECK_HEADERS(poll.h)
 483 AC_CHECK_HEADERS(sys/poll.h)
 484 AC_CHECK_HEADERS(sys/wait.h)
 485 AC_CHECK_HEADERS(grp.h)
 486 AC_CHECK_HEADERS(syslog.h)
 487
 488 # for mono/dis
 489 AC_CHECK_HEADERS(wchar.h)
 490 AC_CHECK_HEADERS(ieeefp.h)
 491 AC_MSG_CHECKING(for isinf)
 492 AC_TRY_LINK([#include <math.h>], [
 493         int f = isinf (1.0);
 494 ], [
 495         AC_MSG_RESULT(yes)
 496         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 497 ], [
 498         # We'll have to use signals
 499         AC_MSG_RESULT(no)
 500 ])
 501 # mingw
 502 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 503         AC_TRY_LINK([#include <math.h>],
 504         [ _finite(0.0); ],
 505         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 506         AC_MSG_RESULT(no)))
 507
 508 # for Linux statfs support
 509 AC_CHECK_HEADERS(linux/magic.h)
 510
 511 # not 64 bit clean in cross-compile
 512 AC_CHECK_SIZEOF(void *, 4)
 513
 514 AC_CACHE_CHECK([for clang],
 515         mono_cv_clang,[
 516         AC_TRY_COMPILE([], [
 517                 #ifdef __clang__
 518                 #else
 519                 #error "FAILED"
 520                 #endif
 521                 return 0;
 522         ],
 523         [mono_cv_clang=yes],
 524         [mono_cv_clang=no],
 525         [])
 526 ])
 527
 528 AC_ARG_ENABLE(visiblity-hidden,
 529 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
 530    disable_visibility_hidden=no, disable_visibility_hidden=yes)
 531
 532 WARN=''
 533 if test x"$GCC" = xyes; then
 534         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 535
 536                 # We require C99 with some GNU extensions, e.g. `linux` macro
 537                 CFLAGS="$CFLAGS -std=gnu99"
 538
 539                 # The runtime code does not respect ANSI C strict aliasing rules
 540                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 541
 542                 # We rely on signed overflow to behave
 543                 CFLAGS="$CFLAGS -fwrapv"
 544
 545                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 546                 if test x"$disable_visibility_hidden" = xno; then
 547                    # Don't export any symbols by default
 548                    SHARED_CFLAGS="-fvisibility=hidden"
 549                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 550                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 551                 fi
 552
 553                 ORIG_CFLAGS=$CFLAGS
 554                 # Check for the normal version, since gcc ignores unknown -Wno options
 555                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 556                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 557                 AC_TRY_COMPILE([],[
 558                                 return 0;
 559                 ], [
 560                    AC_MSG_RESULT(yes)
 561                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 562                 ], [
 563                    AC_MSG_RESULT(no)
 564                    CFLAGS=$ORIG_CFLAGS
 565                 ])
 566
 567                 if test "x$mono_cv_clang" = "xyes"; then
 568                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 569                    WARN="$WARN -Qunused-arguments"
 570                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 571                 fi
 572 else
 573         # The Sun Forte compiler complains about inline functions that access static variables
 574         # so disable all inlining.
 575         case "$host" in
 576         *-*-solaris*)
 577                 CFLAGS="$CFLAGS -Dinline="
 578                 ;;
 579         esac
 580 fi
 581 CFLAGS="$CFLAGS -g $WARN"
 582 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 583 CPPFLAGS="$CPPFLAGS -g $WARN"
 584
 585 # Where's the 'mcs' source tree?
 586 if test -d $srcdir/mcs; then
 587   mcsdir=mcs
 588 else
 589   mcsdir=../mcs
 590 fi
 591
 592 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 593         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 594                 mcsdir=$with_mcs_path
 595         fi
 596 )
 597
 598 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 599
 600 #
 601 # A sanity check to catch cases where the package was unpacked
 602 # with an ancient tar program (Solaris)
 603 #
 604 AC_ARG_ENABLE(solaris-tar-check,
 605 [  --disable-solaris-tar-check    disable solaris tar check],
 606    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 607
 608 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 609         AC_MSG_CHECKING(integrity of package)
 610         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 611         then
 612                 AC_MSG_RESULT(ok)
 613         else
 614                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 615                 AC_MSG_ERROR([$errorm])
 616         fi
 617 fi
 618
 619 if test "x$with_mcs_path" != "x"; then
 620 mcs_topdir=$(cd "$mcsdir" && pwd)
 621 mcs_topdir_from_srcdir=$mcs_topdir
 622 else
 623 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 624 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 625 fi
 626
 627 # Convert mcs_topdir* paths to Windows syntax.
 628 if test x$cross_compiling$host_win32 = xnoyes; then
 629   mcs_topdir=$(cygpath -m $mcs_topdir)
 630   case $mcs_topdir_from_srcdir in
 631     /cygdrive/*)
 632         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 633         ;;
 634   esac
 635 fi
 636
 637 AC_SUBST([mcs_topdir])
 638 AC_SUBST([mcs_topdir_from_srcdir])
 639
 640 # gettext: prepare the translation directories.
 641 # we do not configure the full gettext, as we consume it dynamically from C#
 642 AM_PO_SUBDIRS
 643
 644 if test "x$USE_NLS" = "xyes"; then
 645    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 646
 647    if test "x$HAVE_MSGFMT" = "xno"; then
 648           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 649    fi
 650 fi
 651
 652 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 653
 654 pkg_config_path=
 655 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 656         if test x$with_crosspkgdir = "x"; then
 657                 if test -s $PKG_CONFIG_PATH; then
 658                         pkg_config_path=$PKG_CONFIG_PATH
 659                 fi
 660         else
 661                 pkg_config_path=$with_crosspkgdir
 662                 PKG_CONFIG_PATH=$pkg_config_path
 663                 export PKG_CONFIG_PATH
 664         fi
 665 )
 666
 667 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 668 if test x$werror_flag = xyes; then
 669         WERROR_CFLAGS="-Werror"
 670 fi
 671 AC_SUBST([WERROR_CFLAGS])
 672 AC_SUBST([SHARED_CFLAGS])
 673
 674 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 675 AC_CONFIG_SUBDIRS(eglib)
 676
 677 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 678 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 679 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 680 BUILD_GLIB_LIBS="$GLIB_LIBS"
 681 GMODULE_CFLAGS="$GLIB_CFLAGS"
 682 GMODULE_LIBS="$GLIB_LIBS"
 683
 684 AC_SUBST(GLIB_CFLAGS)
 685 AC_SUBST(GLIB_LIBS)
 686 AC_SUBST(GMODULE_CFLAGS)
 687 AC_SUBST(GMODULE_LIBS)
 688 AC_SUBST(BUILD_GLIB_CFLAGS)
 689 AC_SUBST(BUILD_GLIB_LIBS)
 690
 691 # Enable support for fast thread-local storage
 692 # Some systems have broken support, so we allow to disable it.
 693 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 694
 695 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 696 # This does not work on some platforms (bug #55253)
 697 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 698
 699 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 700 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 701 # Same as --with-shared_mono=no
 702 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 703
 704 if test "x$enable_static" = "xno"; then
 705    with_static_mono=no
 706 fi
 707
 708 if test "x$enable_shared" = "xno"; then
 709    with_shared_mono=no
 710 fi
 711
 712 if test "x$enable_libraries" = "xno"; then
 713    with_shared_mono=no
 714 fi
 715
 716 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 717
 718 case $host in
 719 *nacl* ) with_shared_mono=yes;;
 720 esac
 721
 722 if test "x$host_win32" = "xyes"; then
 723    # Boehm GC requires the runtime to be in its own dll
 724    with_static_mono=no
 725 fi
 726
 727 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 728 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 729 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 730
 731 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 732 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 733         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 734         ORIG_CFLAGS=$CFLAGS
 735         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 736         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 737         AC_TRY_COMPILE([], [
 738                 return 0;
 739         ], [
 740            AC_MSG_RESULT(yes)
 741            # Pass it to libgc as well
 742            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 743         ], [
 744            AC_MSG_RESULT(no)
 745            CFLAGS=$ORIG_CFLAGS
 746         ])
 747 fi
 748
 749 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 750
 751 if test x$enable_small_config = xyes; then
 752         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 753         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 754 fi
 755
 756 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=$enableval, enable_system_aot=default)
 757
 758 DISABLED_FEATURES=none
 759
 760 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 761      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 762      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 763          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 764 [
 765         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 766                 eval "mono_feature_disable_$feature='yes'"
 767         done
 768         DISABLED_FEATURES=$enable_minimal
 769         disabled="Disabled:      $enable_minimal"
 770 ],[])
 771
 772 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 773
 774 if test "x$mono_feature_disable_aot" = "xyes"; then
 775         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 776         AC_MSG_NOTICE([Disabled AOT compiler])
 777 fi
 778
 779 if test "x$mono_feature_disable_profiler" = "xyes"; then
 780         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 781         AC_MSG_NOTICE([Disabled support for the profiler])
 782 fi
 783 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 784
 785 if test "x$mono_feature_disable_decimal" = "xyes"; then
 786         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 787         AC_MSG_NOTICE([Disabled support for decimal])
 788 fi
 789
 790 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 791         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 792         AC_MSG_NOTICE([Disabled support for P/Invoke])
 793 fi
 794
 795 if test "x$mono_feature_disable_debug" = "xyes"; then
 796         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 797         AC_MSG_NOTICE([Disabled support for runtime debugging])
 798 fi
 799
 800 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 801         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 802         mono_feature_disable_reflection_emit_save=yes
 803         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 804 fi
 805
 806 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 807         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 808         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 809 fi
 810
 811 if test "x$mono_feature_disable_large_code" = "xyes"; then
 812         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 813         AC_MSG_NOTICE([Disabled support for large assemblies])
 814 fi
 815
 816 if test "x$mono_feature_disable_logging" = "xyes"; then
 817         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 818         AC_MSG_NOTICE([Disabled support for logging])
 819 fi
 820
 821 if test "x$mono_feature_disable_com" = "xyes"; then
 822         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 823         AC_MSG_NOTICE([Disabled COM support])
 824 fi
 825
 826 if test "x$mono_feature_disable_ssa" = "xyes"; then
 827         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 828         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 829 fi
 830
 831 if test "x$mono_feature_disable_generics" = "xyes"; then
 832         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 833         AC_MSG_NOTICE([Disabled Generics Support])
 834 fi
 835
 836 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 837         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 838         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 839 fi
 840
 841 if test "x$mono_feature_disable_portability" = "xyes"; then
 842         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 843         AC_MSG_NOTICE([Disabled IO Portability layer])
 844 fi
 845
 846 if test "x$mono_feature_disable_attach" = "xyes"; then
 847         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 848         AC_MSG_NOTICE([Disabled agent attach])
 849 fi
 850
 851 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 852         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 853         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 854 fi
 855
 856 if test "x$mono_feature_disable_verifier" = "xyes"; then
 857         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 858         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 859 fi
 860
 861 if test "x$mono_feature_disable_jit" = "xyes"; then
 862         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 863         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 864 fi
 865
 866 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 867
 868 if test "x$mono_feature_disable_simd" = "xyes"; then
 869         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 870         AC_MSG_NOTICE([Disabled SIMD support])
 871 fi
 872
 873 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 874         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 875         AC_MSG_NOTICE([Disabled Soft Debugger.])
 876 fi
 877
 878 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 879         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 880         AC_MSG_NOTICE([Disabled Performance Counters.])
 881 fi
 882 if test "x$mono_feature_disable_normalization" = "xyes"; then
 883         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 884         AC_MSG_NOTICE([Disabled String normalization support.])
 885 fi
 886
 887 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 888         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 889         AC_MSG_NOTICE([Disabled Assembly remapping.])
 890 fi
 891
 892 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 893         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 894         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 895 fi
 896
 897 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 898         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 899         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 900 fi
 901
 902 if test "x$mono_feature_disable_remoting" = "xyes"; then
 903         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 904         AC_MSG_NOTICE([Disabled remoting])
 905 fi
 906
 907 if test "x$mono_feature_disable_security" = "xyes"; then
 908         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 909         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 910 fi
 911
 912 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 913         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 914         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 915 fi
 916
 917 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 918         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 919         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 920 fi
 921
 922 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 923         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 924         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 925 fi
 926
 927 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 928         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 929         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 930 fi
 931
 932 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 933         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 934         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 935 fi
 936
 937 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 938         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 939         AC_SUBST(DISABLE_SHARED_HANDLES)
 940 fi
 941
 942 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 943 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 944
 945 has_extension_module=no
 946 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 947 [
 948         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 949                 if test x$extension = xdefault ; then
 950                         has_extension_module=yes;
 951                 fi
 952         done
 953         if test x$enable_extension_module = xyes; then
 954                 has_extension_module=yes;
 955         fi
 956 ], [])
 957
 958 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 959
 960 if test x$has_extension_module != xno ; then
 961         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 962         AC_MSG_NOTICE([Enabling mono extension module.])
 963 fi
 964
 965 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 966 if test x$enable_gsharing = xyes; then
 967         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 968 fi
 969
 970 # A synonym
 971 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
 972 if test x$enable_gsharedvt = xyes; then
 973         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
 974 fi
 975
 976 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 977 if test x$enable_native_types = xyes; then
 978         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 979 fi
 980
 981 AC_MSG_CHECKING(for visibility __attribute__)
 982 AC_COMPILE_IFELSE([
 983         AC_LANG_SOURCE([[
 984                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 985                 int main () { doit (); return 0; }
 986         ]])
 987 ], [
 988    have_visibility_hidden=yes
 989    AC_MSG_RESULT(yes)
 990 ], [
 991    have_visibility_hidden=no
 992    AC_MSG_RESULT(no)
 993 ])
 994
 995 AC_MSG_CHECKING(for deprecated __attribute__)
 996 AC_TRY_COMPILE([
 997      int doit (void) __attribute__ ((deprecated));
 998      int doit (void) { return 0; }
 999 ], [
1000         return 0;
1001 ], [
1002    have_deprecated=yes
1003    AC_MSG_RESULT(yes)
1004 ], [
1005    have_deprecated=no
1006    AC_MSG_RESULT(no)
1007 ])
1008
1009 dnl
1010 dnl Boehm GC configuration
1011 dnl
1012
1013 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1014
1015 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1016 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1017
1018 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1019 if test x$enable_parallel_mark = xyes; then
1020         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1021 fi
1022
1023 gc_headers=no
1024 gc_msg=""
1025 use_included_gc=no
1026 LIBGC_CPPFLAGS=
1027 LIBGC_LIBS=
1028 LIBGC_STATIC_LIBS=
1029 libgc_dir=
1030 case "x$libgc" in
1031         xboehm|xbohem|xyes)
1032                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1033                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1034
1035                 if test "x$found_boehm" != "xyes"; then
1036                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1037                 fi
1038                 if test "x$gc_headers" != "xyes"; then
1039                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1040                 fi
1041
1042                 LIBGC_LIBS="-lgc $libdl"
1043                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1044                 libmono_ldflags="$libmono_ldflags -lgc"
1045                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1046
1047                 # AC_CHECK_FUNCS does not work for some reason...
1048                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1049                 if test "x$found_gcj_malloc" = "xyes"; then
1050                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1051                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1052                         gc_msg="System Boehm with typed GC"
1053                 else
1054                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1055                         gc_msg="System Boehm (without typed GC)"
1056                 fi
1057                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1058                 if test "x$found_gc_enable" = "xyes"; then
1059                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1060                 fi
1061
1062                 # check whether we need to explicitly allow
1063                 # thread registering
1064                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1065                 if test "x$found_allow_register_threads" = "xyes"; then
1066                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1067                 fi
1068                 ;;
1069
1070         xincluded)
1071                 use_included_gc=yes
1072                 if test "x$support_boehm" = "xyes"; then
1073                         libgc_dir=libgc
1074                 fi
1075
1076                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1077                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1078                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1079
1080                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1081
1082                 if test x$target_win32 = xyes; then
1083                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1084                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1085                 fi
1086
1087                 gc_msg="Included Boehm GC with typed GC"
1088                 if test x$enable_parallel_mark = xyes; then
1089                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1090                         gc_msg="$gc_msg and parallel mark"
1091                 else
1092                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1093                 fi
1094                 ;;
1095
1096         xsgen)
1097                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1098                 ;;
1099
1100         xnone)
1101                 AC_MSG_WARN("Compiling mono without GC.")
1102                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1103                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1104                 gc_msg="none"
1105                 ;;
1106         *)
1107                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1108                 ;;
1109 esac
1110
1111 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1112 if test "x$large_heap" = "xyes"; then
1113    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1114 fi
1115
1116 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1117 AC_SUBST(LIBGC_CPPFLAGS)
1118 AC_SUBST(LIBGC_LIBS)
1119 AC_SUBST(LIBGC_STATIC_LIBS)
1120 AC_SUBST(libgc_dir)
1121 AC_SUBST(BOEHM_DEFINES)
1122
1123 dnl
1124 dnl End of Boehm GC Configuration
1125 dnl
1126
1127 dnl *************************************
1128 dnl *** Checks for zero length arrays ***
1129 dnl *************************************
1130 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1131 AC_TRY_COMPILE([
1132         struct s {
1133                 int  length;
1134                 char data [0];
1135         };
1136 ], [], [
1137         AC_MSG_RESULT(yes)
1138         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1139 ], [
1140         AC_MSG_RESULT(no)
1141         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1142 ])
1143
1144 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1145
1146 dnl ***********************************
1147 dnl *** Checks for signals
1148 dnl ***********************************
1149 AC_CHECK_HEADERS(signal.h)
1150 AC_CHECK_FUNCS(sigaction)
1151
1152 if test x$host_win32 = xno; then
1153
1154         dnl hires monotonic clock support
1155         AC_SEARCH_LIBS(clock_gettime, rt)
1156
1157         dnl dynamic loader support
1158         AC_CHECK_FUNC(dlopen, DL_LIB="",
1159                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1160         )
1161         if test x$dl_support = xno; then
1162                 AC_MSG_WARN([No dynamic loading support available])
1163         else
1164                 LIBS="$LIBS $DL_LIB"
1165                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1166                 dnl from glib's configure.ac
1167                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1168                         mono_cv_uscore,[
1169                         AC_TRY_RUN([#include <dlfcn.h>
1170                         int mono_underscore_test (void) { return 42; }
1171                         int main() {
1172                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1173                           handle = dlopen ((void*)0, 0);
1174                           if (handle) {
1175                             f1 = dlsym (handle, "mono_underscore_test");
1176                             f2 = dlsym (handle, "_mono_underscore_test");
1177                           } return (!f2 || f1);
1178                         }],
1179                                 [mono_cv_uscore=yes],
1180                                 [mono_cv_uscore=no],
1181                         [])
1182                 ])
1183                 if test "x$mono_cv_uscore" = "xyes"; then
1184                         MONO_DL_NEED_USCORE=1
1185                 else
1186                         MONO_DL_NEED_USCORE=0
1187                 fi
1188                 AC_SUBST(MONO_DL_NEED_USCORE)
1189                 AC_CHECK_FUNC(dlerror)
1190         fi
1191
1192         dnl ******************************************************************
1193         dnl *** Checks for the IKVM JNI interface library                  ***
1194         dnl ******************************************************************
1195         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])
1196
1197         ikvm_native_dir=
1198         if test x$with_ikvm_native = xyes; then
1199                 ikvm_native_dir=ikvm-native
1200                 jdk_headers_found="IKVM Native"
1201         fi
1202
1203         AC_SUBST(ikvm_native_dir)
1204
1205         AC_CHECK_HEADERS(execinfo.h)
1206
1207         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1208
1209         AC_CHECK_FUNCS(getgrgid_r)
1210         AC_CHECK_FUNCS(getgrnam_r)
1211         AC_CHECK_FUNCS(getpwnam_r)
1212         AC_CHECK_FUNCS(getpwuid_r)
1213         AC_CHECK_FUNCS(getresuid)
1214         AC_CHECK_FUNCS(setresuid)
1215         AC_CHECK_FUNCS(kqueue)
1216         AC_CHECK_FUNCS(backtrace_symbols)
1217         AC_CHECK_FUNCS(mkstemp)
1218         AC_CHECK_FUNCS(mmap)
1219         AC_CHECK_FUNCS(madvise)
1220         AC_CHECK_FUNCS(getrusage)
1221         AC_CHECK_FUNCS(getpriority)
1222         AC_CHECK_FUNCS(setpriority)
1223         AC_CHECK_FUNCS(dl_iterate_phdr)
1224         AC_CHECK_FUNCS(dladdr)
1225         AC_CHECK_FUNCS(sysconf)
1226         AC_CHECK_FUNCS(getrlimit)
1227
1228         AC_CHECK_FUNCS(sched_setaffinity)
1229         AC_CHECK_FUNCS(sched_getcpu)
1230
1231         dnl ****************************************************************
1232         dnl *** Check for sched_setaffinity from glibc versions before   ***
1233         dnl *** 2.3.4. The older versions of the function only take 2    ***
1234         dnl *** parameters, not 3.                                       ***
1235         dnl ***                                                          ***
1236         dnl *** Because the interface change was not made in a minor     ***
1237         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1238         dnl *** won't always indicate the interface sched_affinity has.  ***
1239         dnl ****************************************************************
1240         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1241         AC_TRY_COMPILE([#include <sched.h>], [
1242             int mask = 1;
1243             sched_setaffinity(0, &mask);
1244                         return 0;
1245         ], [
1246                 # Yes, we have it...
1247                 AC_MSG_RESULT(yes)
1248                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1249         ], [
1250                 # We have the new, three-parameter version
1251                 AC_MSG_RESULT(no)
1252         ])
1253
1254
1255         dnl ******************************************************************
1256         dnl *** Check for large file support                               ***
1257         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1258         dnl ******************************************************************
1259
1260         # Check that off_t can represent 2**63 - 1 correctly, working around
1261         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1262         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1263         large_offt=no
1264         AC_DEFUN([LARGE_FILES], [
1265                 large_CPPFLAGS=$CPPFLAGS
1266                 CPPFLAGS="$CPPFLAGS $1"
1267                 AC_TRY_COMPILE([
1268                         #include <sys/types.h>
1269                         #include <limits.h>
1270                 ], [
1271                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1272                         #define COMPILE_TIME_ASSERT(pred) \
1273                                 switch(0){case 0:case pred:;}
1274                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1275                 ], [
1276                         AC_MSG_RESULT(ok)
1277                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1278                         large_CPPFLAGS="$large_CPPFLAGS $1"
1279                         large_offt=yes
1280                 ], [
1281                         AC_MSG_RESULT(no)
1282                 ])
1283                 CPPFLAGS=$large_CPPFLAGS
1284         ])
1285
1286         AC_MSG_CHECKING(if off_t is 64 bits wide)
1287         LARGE_FILES("")
1288         if test $large_offt = no; then
1289                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1290                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1291         fi
1292         if test $large_offt = no; then
1293                 AC_MSG_WARN([No 64 bit file size support available])
1294         fi
1295
1296         dnl *****************************
1297         dnl *** Checks for libsocket  ***
1298         dnl *****************************
1299         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1300
1301         case "$host" in
1302                 *-*-*freebsd*)
1303                         dnl *****************************
1304                         dnl *** Checks for libinotify ***
1305                         dnl *****************************
1306                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1307         esac
1308
1309         dnl *******************************
1310         dnl *** Checks for MSG_NOSIGNAL ***
1311         dnl *******************************
1312         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1313         AC_TRY_COMPILE([#include <sys/socket.h>], [
1314                 int f = MSG_NOSIGNAL;
1315         ], [
1316                 # Yes, we have it...
1317                 AC_MSG_RESULT(yes)
1318                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1319         ], [
1320                 # We'll have to use signals
1321                 AC_MSG_RESULT(no)
1322         ])
1323
1324         dnl *****************************
1325         dnl *** Checks for IPPROTO_IP ***
1326         dnl *****************************
1327         AC_MSG_CHECKING(for IPPROTO_IP)
1328         AC_TRY_COMPILE([#include <netinet/in.h>], [
1329                 int level = IPPROTO_IP;
1330         ], [
1331                 # Yes, we have it...
1332                 AC_MSG_RESULT(yes)
1333                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1334         ], [
1335                 # We'll have to use getprotobyname
1336                 AC_MSG_RESULT(no)
1337         ])
1338
1339         dnl *******************************
1340         dnl *** Checks for IPPROTO_IPV6 ***
1341         dnl *******************************
1342         AC_MSG_CHECKING(for IPPROTO_IPV6)
1343         AC_TRY_COMPILE([#include <netinet/in.h>], [
1344                 int level = IPPROTO_IPV6;
1345         ], [
1346                 # Yes, we have it...
1347                 AC_MSG_RESULT(yes)
1348                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1349         ], [
1350                 # We'll have to use getprotobyname
1351                 AC_MSG_RESULT(no)
1352         ])
1353
1354         dnl ******************************
1355         dnl *** Checks for IPPROTO_TCP ***
1356         dnl ******************************
1357         AC_MSG_CHECKING(for IPPROTO_TCP)
1358         AC_TRY_COMPILE([#include <netinet/in.h>], [
1359                 int level = IPPROTO_TCP;
1360         ], [
1361                 # Yes, we have it...
1362                 AC_MSG_RESULT(yes)
1363                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1364         ], [
1365                 # We'll have to use getprotobyname
1366                 AC_MSG_RESULT(no)
1367         ])
1368
1369         dnl *****************************
1370         dnl *** Checks for SOL_IP     ***
1371         dnl *****************************
1372         AC_MSG_CHECKING(for SOL_IP)
1373         AC_TRY_COMPILE([#include <netdb.h>], [
1374                 int level = SOL_IP;
1375         ], [
1376                 # Yes, we have it...
1377                 AC_MSG_RESULT(yes)
1378                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1379         ], [
1380                 # We'll have to use getprotobyname
1381                 AC_MSG_RESULT(no)
1382         ])
1383
1384         dnl *****************************
1385         dnl *** Checks for SOL_IPV6     ***
1386         dnl *****************************
1387         AC_MSG_CHECKING(for SOL_IPV6)
1388         AC_TRY_COMPILE([#include <netdb.h>], [
1389                 int level = SOL_IPV6;
1390         ], [
1391                 # Yes, we have it...
1392                 AC_MSG_RESULT(yes)
1393                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1394         ], [
1395                 # We'll have to use getprotobyname
1396                 AC_MSG_RESULT(no)
1397         ])
1398
1399         dnl *****************************
1400         dnl *** Checks for SOL_TCP    ***
1401         dnl *****************************
1402         AC_MSG_CHECKING(for SOL_TCP)
1403         AC_TRY_COMPILE([#include <netdb.h>], [
1404                 int level = SOL_TCP;
1405         ], [
1406                 # Yes, we have it...
1407                 AC_MSG_RESULT(yes)
1408                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1409         ], [
1410                 # We'll have to use getprotobyname
1411                 AC_MSG_RESULT(no)
1412         ])
1413
1414         dnl *****************************
1415         dnl *** Checks for IP_PKTINFO ***
1416         dnl *****************************
1417         AC_MSG_CHECKING(for IP_PKTINFO)
1418         AC_TRY_COMPILE([#include <linux/in.h>], [
1419                 int level = IP_PKTINFO;
1420         ], [
1421                 # Yes, we have it...
1422                 AC_MSG_RESULT(yes)
1423                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1424         ], [
1425                 AC_MSG_RESULT(no)
1426         ])
1427
1428         dnl *****************************
1429         dnl *** Checks for IPV6_PKTINFO ***
1430         dnl *****************************
1431         AC_MSG_CHECKING(for IPV6_PKTINFO)
1432         AC_TRY_COMPILE([#include <netdb.h>], [
1433                 int level = IPV6_PKTINFO;
1434         ], [
1435                 # Yes, we have it...
1436                 AC_MSG_RESULT(yes)
1437                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1438         ], [
1439                 AC_MSG_RESULT(no)
1440         ])
1441
1442         dnl **********************************
1443         dnl *** Checks for IP_DONTFRAG     ***
1444         dnl **********************************
1445         AC_MSG_CHECKING(for IP_DONTFRAG)
1446         AC_TRY_COMPILE([#include <netinet/in.h>], [
1447                 int level = IP_DONTFRAG;
1448         ], [
1449                 # Yes, we have it...
1450                 AC_MSG_RESULT(yes)
1451                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1452         ], [
1453                 AC_MSG_RESULT(no)
1454         ])
1455
1456         dnl **********************************
1457         dnl *** Checks for IP_DONTFRAGMENT ***
1458         dnl **********************************
1459         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1460         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1461                 int level = IP_DONTFRAGMENT;
1462         ], [
1463                 # Yes, we have it...
1464                 AC_MSG_RESULT(yes)
1465                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1466         ], [
1467                 AC_MSG_RESULT(no)
1468         ])
1469
1470         dnl **********************************
1471         dnl *** Checks for IP_MTU_DISCOVER ***
1472         dnl **********************************
1473         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1474         AC_TRY_COMPILE([#include <linux/in.h>], [
1475                 int level = IP_MTU_DISCOVER;
1476         ], [
1477                 # Yes, we have it...
1478                 AC_MSG_RESULT(yes)
1479                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1480         ], [
1481                 AC_MSG_RESULT(no)
1482         ])
1483
1484         dnl **********************************
1485         dnl *** Checks for  IP_PMTUDISC_DO ***
1486         dnl **********************************
1487         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1488         AC_TRY_COMPILE([#include <linux/in.h>], [
1489                 int level = IP_PMTUDISC_DO;
1490         ], [
1491                 # Yes, we have it...
1492                 AC_MSG_RESULT(yes)
1493                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1494         ], [
1495                 AC_MSG_RESULT(no)
1496         ])
1497
1498         dnl *********************************
1499         dnl *** Check for struct ip_mreqn ***
1500         dnl *********************************
1501         AC_MSG_CHECKING(for struct ip_mreqn)
1502         AC_TRY_COMPILE([#include <netinet/in.h>], [
1503                 struct ip_mreqn mreq;
1504                 mreq.imr_address.s_addr = 0;
1505         ], [
1506                 # Yes, we have it...
1507                 AC_MSG_RESULT(yes)
1508                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1509         ], [
1510                 # We'll just have to try and use struct ip_mreq
1511                 AC_MSG_RESULT(no)
1512                 AC_MSG_CHECKING(for struct ip_mreq)
1513                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1514                         struct ip_mreq mreq;
1515                         mreq.imr_interface.s_addr = 0;
1516                 ], [
1517                         # Yes, we have it...
1518                         AC_MSG_RESULT(yes)
1519                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1520                 ], [
1521                         # No multicast support
1522                         AC_MSG_RESULT(no)
1523                 ])
1524         ])
1525
1526         dnl **********************************
1527         dnl *** Check for getaddrinfo ***
1528         dnl **********************************
1529         AC_MSG_CHECKING(for getaddrinfo)
1530                 AC_TRY_LINK([
1531                 #include <stdio.h>
1532                 #include <netdb.h>
1533         ], [
1534                 getaddrinfo(NULL,NULL,NULL,NULL);
1535         ], [
1536                 # Yes, we have it...
1537                 AC_MSG_RESULT(yes)
1538                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1539         ], [
1540                 AC_MSG_RESULT(no)
1541         ])
1542
1543         dnl **********************************
1544         dnl *** Check for gethostbyname2_r ***
1545         dnl **********************************
1546         AC_MSG_CHECKING(for gethostbyname2_r)
1547                 AC_TRY_LINK([
1548                 #include <stdio.h>
1549                 #include <netdb.h>
1550         ], [
1551
1552                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1553         ], [
1554                 # Yes, we have it...
1555                 AC_MSG_RESULT(yes)
1556                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1557         ], [
1558                 AC_MSG_RESULT(no)
1559         ])
1560
1561         dnl **********************************
1562         dnl *** Check for gethostbyname2 ***
1563         dnl **********************************
1564         AC_MSG_CHECKING(for gethostbyname2)
1565                 AC_TRY_LINK([
1566                 #include <stdio.h>
1567                 #include <netdb.h>
1568         ], [
1569                 gethostbyname2(NULL,0);
1570         ], [
1571                 # Yes, we have it...
1572                 AC_MSG_RESULT(yes)
1573                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1574         ], [
1575                 AC_MSG_RESULT(no)
1576         ])
1577
1578         dnl **********************************
1579         dnl *** Check for gethostbyname ***
1580         dnl **********************************
1581         AC_MSG_CHECKING(for gethostbyname)
1582                 AC_TRY_LINK([
1583                 #include <stdio.h>
1584                 #include <netdb.h>
1585         ], [
1586                 gethostbyname(NULL);
1587         ], [
1588                 # Yes, we have it...
1589                 AC_MSG_RESULT(yes)
1590                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1591         ], [
1592                 AC_MSG_RESULT(no)
1593         ])
1594
1595         dnl **********************************
1596         dnl *** Check for getprotobyname ***
1597         dnl **********************************
1598         AC_MSG_CHECKING(for getprotobyname)
1599                 AC_TRY_LINK([
1600                 #include <stdio.h>
1601                 #include <netdb.h>
1602         ], [
1603                 getprotobyname(NULL);
1604         ], [
1605                 # Yes, we have it...
1606                 AC_MSG_RESULT(yes)
1607                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1608         ], [
1609                 AC_MSG_RESULT(no)
1610         ])
1611
1612         dnl **********************************
1613         dnl *** Check for getnameinfo ***
1614         dnl **********************************
1615         AC_MSG_CHECKING(for getnameinfo)
1616                 AC_TRY_LINK([
1617                 #include <stdio.h>
1618                 #include <netdb.h>
1619         ], [
1620                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1621         ], [
1622                 # Yes, we have it...
1623                 AC_MSG_RESULT(yes)
1624                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1625         ], [
1626                 AC_MSG_RESULT(no)
1627         ])
1628
1629
1630         dnl **********************************
1631         dnl *** Check for inet_ntop ***
1632         dnl **********************************
1633         AC_MSG_CHECKING(for inet_ntop)
1634                 AC_TRY_LINK([
1635                 #include <stdio.h>
1636                 #include <arpa/inet.h>
1637         ], [
1638                 inet_ntop (0, NULL, NULL, 0);
1639         ], [
1640                 # Yes, we have it...
1641                 AC_MSG_RESULT(yes)
1642                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1643         ], [
1644                 AC_MSG_RESULT(no)
1645         ])
1646
1647         dnl *****************************
1648         dnl *** Checks for libnsl     ***
1649         dnl *****************************
1650         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1651
1652         AC_CHECK_FUNCS(inet_pton inet_aton)
1653
1654         dnl *****************************
1655         dnl *** Checks for libxnet    ***
1656         dnl *****************************
1657         case "${host}" in
1658                 *solaris* )
1659                         AC_MSG_CHECKING(for Solaris XPG4 support)
1660                         if test -f /usr/lib/libxnet.so; then
1661                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1662                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1663                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1664                                 LIBS="$LIBS -lxnet"
1665                                 AC_MSG_RESULT(yes)
1666                         else
1667                                 AC_MSG_RESULT(no)
1668                         fi
1669
1670                         if test "$GCC" = "yes"; then
1671                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1672                         fi
1673                 ;;
1674         esac
1675
1676         dnl *****************************
1677         dnl *** Checks for libpthread ***
1678         dnl *****************************
1679 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1680 # and libpthread does not exist
1681 #
1682         case "${host}" in
1683                 *-*-*freebsd*)
1684                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1685                 ;;
1686                 *-*-*openbsd*)
1687                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1688                 ;;
1689                 *)
1690                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1691                 ;;
1692         esac
1693         AC_CHECK_HEADERS(pthread.h)
1694         AC_CHECK_HEADERS(pthread_np.h)
1695         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1696         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1697         AC_CHECK_FUNCS(pthread_kill)
1698         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1699         AC_TRY_COMPILE([ #include <pthread.h>], [
1700                 pthread_mutexattr_t attr;
1701                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1702         ], [
1703                 AC_MSG_RESULT(ok)
1704         ], [
1705                 AC_MSG_RESULT(no)
1706                 AC_ERROR(Posix system lacks support for recursive mutexes)
1707         ])
1708         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1709         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1710         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1711
1712         dnl **********************************
1713         dnl *** Check for mincore ***
1714         dnl **********************************
1715         AC_MSG_CHECKING(for mincore)
1716                 AC_TRY_LINK([
1717                 #include <stdio.h>
1718                 #include <sys/types.h>
1719                 #include <sys/mman.h>
1720         ], [
1721                 mincore(NULL, 0, NULL);
1722         ], [
1723                 # Yes, we have it...
1724                 AC_MSG_RESULT(yes)
1725                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1726         ], [
1727                 AC_MSG_RESULT(no)
1728         ])
1729
1730         dnl ***********************************
1731         dnl *** Checks for working __thread ***
1732         dnl ***********************************
1733         AC_MSG_CHECKING(for working __thread)
1734         if test "x$with_tls" != "x__thread"; then
1735                 AC_MSG_RESULT(disabled)
1736         elif test "x$cross_compiling" = "xyes"; then
1737                 AC_MSG_RESULT(cross compiling, assuming yes)
1738         else
1739                 AC_TRY_RUN([
1740                         #if defined(__APPLE__) && defined(__clang__)
1741                         #error "__thread does not currently work with clang on Mac OS X"
1742                         #endif
1743
1744                         #include <pthread.h>
1745                         __thread int i;
1746                         static int res1, res2;
1747
1748                         void thread_main (void *arg)
1749                         {
1750                                 i = arg;
1751                                 sleep (1);
1752                                 if (arg == 1)
1753                                         res1 = (i == arg);
1754                                 else
1755                                         res2 = (i == arg);
1756                         }
1757
1758                         int main () {
1759                                 pthread_t t1, t2;
1760
1761                                 i = 5;
1762
1763                                 pthread_create (&t1, NULL, thread_main, 1);
1764                                 pthread_create (&t2, NULL, thread_main, 2);
1765
1766                                 pthread_join (t1, NULL);
1767                                 pthread_join (t2, NULL);
1768
1769                                 return !(res1 + res2 == 2);
1770                         }
1771                 ], [
1772                                 AC_MSG_RESULT(yes)
1773                 ], [
1774                                 AC_MSG_RESULT(no)
1775                                 with_tls=pthread
1776                 ])
1777         fi
1778
1779         dnl **************************************
1780         dnl *** Checks for working sigaltstack ***
1781         dnl **************************************
1782         AC_MSG_CHECKING(for working sigaltstack)
1783         if test "x$with_sigaltstack" != "xyes"; then
1784                 AC_MSG_RESULT(disabled)
1785         elif test "x$cross_compiling" = "xyes"; then
1786                 AC_MSG_RESULT(cross compiling, assuming yes)
1787         else
1788                 AC_TRY_RUN([
1789                         #include <stdio.h>
1790                         #include <stdlib.h>
1791                         #include <unistd.h>
1792                         #include <signal.h>
1793                         #include <pthread.h>
1794                         #include <sys/wait.h>
1795                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1796                         #define SA_STACK SA_ONSTACK
1797                         #endif
1798                         static void
1799                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1800                         {
1801                                 exit (0);
1802                         }
1803
1804                         volatile char*__ptr = NULL;
1805                         static void *
1806                         loop (void *ignored)
1807                         {
1808                                 *__ptr = 0;
1809                                 return NULL;
1810                         }
1811
1812                         static void
1813                         child ()
1814                         {
1815                                 struct sigaction sa;
1816                         #ifdef __APPLE__
1817                                 stack_t sas;
1818                         #else
1819                                 struct sigaltstack sas;
1820                         #endif
1821                                 pthread_t id;
1822                                 pthread_attr_t attr;
1823
1824                                 sa.sa_sigaction = sigsegv_signal_handler;
1825                                 sigemptyset (&sa.sa_mask);
1826                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1827                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1828                                         perror ("sigaction");
1829                                         return;
1830                                 }
1831
1832                                 /* x86 darwin deliver segfaults using SIGBUS */
1833                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1834                                         perror ("sigaction");
1835                                         return;
1836                                 }
1837                                 sas.ss_sp = malloc (SIGSTKSZ);
1838                                 sas.ss_size = SIGSTKSZ;
1839                                 sas.ss_flags = 0;
1840                                 if (sigaltstack (&sas, NULL) == -1) {
1841                                         perror ("sigaltstack");
1842                                         return;
1843                                 }
1844
1845                                 pthread_attr_init (&attr);
1846                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1847                                         printf ("pthread_create\n");
1848                                         return;
1849                                 }
1850
1851                                 sleep (100);
1852                         }
1853
1854                         int
1855                         main ()
1856                         {
1857                                 pid_t son;
1858                                 int status;
1859                                 int i;
1860
1861                                 son = fork ();
1862                                 if (son == -1) {
1863                                         return 1;
1864                                 }
1865
1866                                 if (son == 0) {
1867                                         child ();
1868                                         return 0;
1869                                 }
1870
1871                                 for (i = 0; i < 300; ++i) {
1872                                         waitpid (son, &status, WNOHANG);
1873                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1874                                                 return 0;
1875                                         usleep (10000);
1876                                 }
1877
1878                                 kill (son, SIGKILL);
1879                                 return 1;
1880                         }
1881
1882                 ], [
1883                                 AC_MSG_RESULT(yes)
1884                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1885                 ], [
1886                                 with_sigaltstack=no
1887                                 AC_MSG_RESULT(no)
1888                 ])
1889         fi
1890
1891         dnl ********************************
1892         dnl *** Checks for semaphore lib ***
1893         dnl ********************************
1894         # 'Real Time' functions on Solaris
1895         # posix4 on Solaris 2.6
1896         # pthread (first!) on Linux
1897         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1898
1899         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1900         AC_CHECK_FUNCS(shm_open)
1901
1902         dnl ********************************
1903         dnl *** Checks for timezone stuff **
1904         dnl ********************************
1905         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1906                 AC_TRY_COMPILE([
1907                         #include <time.h>
1908                         ], [
1909                         struct tm tm;
1910                         tm.tm_gmtoff = 1;
1911                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1912         if test $ac_cv_struct_tm_gmtoff = yes; then
1913                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1914         else
1915                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1916                         AC_TRY_COMPILE([
1917                                 #include <time.h>
1918                         ], [
1919                                 timezone = 1;
1920                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1921                 if test $ac_cv_var_timezone = yes; then
1922                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1923                 else
1924                         AC_ERROR(unable to find a way to determine timezone)
1925                 fi
1926         fi
1927
1928         dnl *********************************
1929         dnl *** Checks for math functions ***
1930         dnl *********************************
1931         AC_SEARCH_LIBS(sqrtf, m)
1932         if test "x$has_broken_apple_cpp" != "xyes"; then
1933                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1934                         AC_TRY_LINK([#include <math.h>],
1935                         [ finite(0.0); ],
1936                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1937                         AC_MSG_RESULT(no)))
1938         fi
1939         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1940                 AC_TRY_LINK([#include <math.h>],
1941                 [ isfinite(0.0); ],
1942                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1943                 AC_MSG_RESULT(no)))
1944
1945         dnl ****************************************************************
1946         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1947         dnl *** have it in the library (duh))                            ***
1948         dnl ****************************************************************
1949         AC_CHECK_FUNCS(poll)
1950
1951         dnl *************************
1952         dnl *** Check for signbit ***
1953         dnl *************************
1954         AC_MSG_CHECKING(for signbit)
1955         AC_TRY_LINK([#include <math.h>], [
1956                 int s = signbit(1.0);
1957         ], [
1958                 AC_MSG_RESULT(yes)
1959                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1960         ], [
1961                 AC_MSG_RESULT(no)
1962         ])
1963
1964         dnl **********************************
1965         dnl *** epoll                      ***
1966         dnl **********************************
1967         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1968                 AC_CHECK_HEADERS(sys/epoll.h)
1969                 haveepoll=no
1970                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1971                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1972                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1973                 fi
1974         fi
1975
1976         havekqueue=no
1977
1978         AC_CHECK_HEADERS(sys/event.h)
1979         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1980
1981         dnl **************************************
1982         dnl * Darwin has a race that prevents us from using reliably:
1983         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1984         dnl * Since kqueue is mostly used for scaling large web servers,
1985         dnl * and very few folks run Mono on large web servers on OSX, falling
1986         dnl * back
1987         dnl **************************************
1988         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1989                 if test "x$platform_darwin" = "xno"; then
1990                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1991                 fi
1992         fi
1993
1994         dnl ******************************
1995         dnl *** Checks for SIOCGIFCONF ***
1996         dnl ******************************
1997         AC_CHECK_HEADERS(sys/ioctl.h)
1998         AC_CHECK_HEADERS(net/if.h, [], [],
1999            [
2000            #ifdef HAVE_SYS_TYPES_H
2001            # include <sys/types.h>
2002            #endif
2003            #ifdef HAVE_SYS_SOCKET_H
2004            # include <sys/socket.h>
2005            #endif
2006            ])
2007         AC_MSG_CHECKING(for ifreq)
2008         AC_TRY_COMPILE([
2009                 #include <stdio.h>
2010                 #include <sys/ioctl.h>
2011                 #include <net/if.h>
2012                 ], [
2013                 struct ifconf ifc;
2014                 struct ifreq *ifr;
2015                 void *x;
2016                 ifc.ifc_len = 0;
2017                 ifc.ifc_buf = NULL;
2018                 x = (void *) &ifr->ifr_addr;
2019                 ],[
2020                         AC_MSG_RESULT(yes)
2021                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2022                 ], [
2023                         AC_MSG_RESULT(no)
2024                 ])
2025         dnl **********************************
2026         dnl ***     Checks for sin_len     ***
2027         dnl **********************************
2028         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2029         AC_TRY_COMPILE([
2030                 #include <netinet/in.h>
2031                 ], [
2032                 struct sockaddr_in saddr;
2033                 saddr.sin_len = sizeof (saddr);
2034                 ],[
2035                         AC_MSG_RESULT(yes)
2036                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2037                 ], [
2038                         AC_MSG_RESULT(no)
2039                 ])
2040         dnl **********************************
2041         dnl ***    Checks for sin6_len     ***
2042         dnl **********************************
2043         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2044         AC_TRY_COMPILE([
2045                 #include <netinet/in.h>
2046                 ], [
2047                 struct sockaddr_in6 saddr6;
2048                 saddr6.sin6_len = sizeof (saddr6);
2049                 ],[
2050                         AC_MSG_RESULT(yes)
2051                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2052                 ], [
2053                         AC_MSG_RESULT(no)
2054                 ])
2055         dnl **********************************
2056         dnl *** Check for getifaddrs       ***
2057         dnl **********************************
2058         AC_MSG_CHECKING(for getifaddrs)
2059                 AC_TRY_LINK([
2060                 #include <stdio.h>
2061                 #include <sys/types.h>
2062                 #include <sys/socket.h>
2063                 #include <ifaddrs.h>
2064         ], [
2065                 getifaddrs(NULL);
2066         ], [
2067                 # Yes, we have it...
2068                 AC_MSG_RESULT(yes)
2069                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2070         ], [
2071                 AC_MSG_RESULT(no)
2072         ])
2073         dnl **********************************
2074         dnl *** Check for if_nametoindex   ***
2075         dnl **********************************
2076         AC_MSG_CHECKING(for if_nametoindex)
2077                 AC_TRY_LINK([
2078                 #include <stdio.h>
2079                 #include <sys/types.h>
2080                 #include <sys/socket.h>
2081                 #include <net/if.h>
2082         ], [
2083                 if_nametoindex(NULL);
2084         ], [
2085                 # Yes, we have it...
2086                 AC_MSG_RESULT(yes)
2087                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2088         ], [
2089                 AC_MSG_RESULT(no)
2090         ])
2091
2092         dnl **********************************
2093         dnl *** Checks for MonoPosixHelper ***
2094         dnl **********************************
2095         AC_CHECK_HEADERS(checklist.h)
2096         AC_CHECK_HEADERS(pathconf.h)
2097         AC_CHECK_HEADERS(fstab.h)
2098         AC_CHECK_HEADERS(attr/xattr.h)
2099         AC_CHECK_HEADERS(sys/extattr.h)
2100         AC_CHECK_HEADERS(sys/sendfile.h)
2101         AC_CHECK_HEADERS(sys/statvfs.h)
2102         AC_CHECK_HEADERS(sys/statfs.h)
2103         AC_CHECK_HEADERS(sys/vfstab.h)
2104         AC_CHECK_HEADERS(sys/xattr.h)
2105         AC_CHECK_HEADERS(sys/mman.h)
2106         AC_CHECK_HEADERS(sys/param.h)
2107         AC_CHECK_HEADERS(sys/mount.h, [], [],
2108                 [
2109                 #ifdef HAVE_SYS_PARAM_H
2110                 # include <sys/param.h>
2111                 #endif
2112                 ])
2113         AC_CHECK_HEADERS(sys/mount.h)
2114         AC_CHECK_FUNCS(confstr)
2115         AC_CHECK_FUNCS(seekdir telldir)
2116         AC_CHECK_FUNCS(getdomainname)
2117         AC_CHECK_FUNCS(setdomainname)
2118         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2119         AC_CHECK_FUNCS(setgroups)
2120         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2121         AC_CHECK_FUNCS(getfsstat)
2122         AC_CHECK_FUNCS(lutimes futimes)
2123         AC_CHECK_FUNCS(mremap)
2124         AC_CHECK_FUNCS(remap_file_pages)
2125         AC_CHECK_FUNCS(posix_fadvise)
2126         AC_CHECK_FUNCS(posix_fallocate)
2127         AC_CHECK_FUNCS(posix_madvise)
2128         AC_CHECK_FUNCS(vsnprintf)
2129         AC_CHECK_FUNCS(sendfile)
2130         AC_CHECK_FUNCS(gethostid sethostid)
2131         AC_CHECK_FUNCS(sethostname)
2132         AC_CHECK_FUNCS(statfs)
2133         AC_CHECK_FUNCS(fstatfs)
2134         AC_CHECK_FUNCS(statvfs)
2135         AC_CHECK_FUNCS(fstatvfs)
2136         AC_CHECK_FUNCS(stime)
2137         AC_CHECK_FUNCS(strerror_r)
2138         AC_CHECK_FUNCS(ttyname_r)
2139         AC_CHECK_FUNCS(psignal)
2140         AC_CHECK_FUNCS(getlogin_r)
2141         AC_CHECK_FUNCS(lockf)
2142         AC_CHECK_FUNCS(swab)
2143         AC_CHECK_FUNCS(setusershell endusershell)
2144         AC_CHECK_FUNCS(futimens utimensat)
2145         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2146         AC_CHECK_FUNCS(readv writev preadv pwritev)
2147         AC_CHECK_FUNCS(setpgid)
2148         AC_CHECK_SIZEOF(size_t)
2149         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2150                 [#include <sys/types.h>
2151                  #include <sys/stat.h>
2152                  #include <unistd.h>])
2153         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2154                 [#include <sys/types.h>
2155                  #include <sys/stat.h>
2156                  #include <unistd.h>])
2157         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2158                 [#include <sys/time.h>])
2159         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2160                 [#include <unistd.h>
2161                  #include <fcntl.h>])
2162         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2163                 [#include <sys/uio.h>])
2164         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2165                 [#include <sys/poll.h>])
2166         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2167                 [#include <sys/types.h>
2168                  #include <sys/stat.h>
2169                  #include <unistd.h>])
2170         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2171                 [#include <time.h>])
2172         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2173                 [#include <sys/time.h>
2174                  #include <sys/types.h>
2175                  #include <utime.h>])
2176         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2177                 [#include <sys/time.h>])
2178         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2179                 [#include <sys/types.h>
2180                  #include <utime.h>])
2181         AC_CHECK_MEMBERS(
2182                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2183                 [#include <sys/types.h>
2184                  #include <dirent.h>])
2185         AC_CHECK_MEMBERS(
2186                 [struct passwd.pw_gecos],,,
2187                 [#include <sys/types.h>
2188                  #include <pwd.h>])
2189         AC_CHECK_MEMBERS(
2190                 [struct statfs.f_flags],,,
2191                 [#include <sys/types.h>
2192                  #include <sys/vfs.h>])
2193         AC_CHECK_MEMBERS(
2194                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2195                 [#include <sys/types.h>
2196                  #include <sys/stat.h>
2197                  #include <unistd.h>])
2198
2199         dnl Favour xattr through glibc, but use libattr if we have to
2200         AC_CHECK_FUNC(lsetxattr, ,
2201                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2202         )
2203         AC_SUBST(XATTR_LIB)
2204
2205         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2206         AC_CHECK_MEMBERS(
2207                 [struct kinfo_proc.kp_proc],,,
2208                 [#include <sys/types.h>
2209                  #include <sys/param.h>
2210                  #include <sys/sysctl.h>
2211                  #include <sys/proc.h>
2212                  ])
2213
2214         dnl *********************************
2215         dnl *** Checks for Windows compilation ***
2216         dnl *********************************
2217         AC_CHECK_HEADERS(sys/time.h)
2218         AC_CHECK_HEADERS(sys/param.h)
2219         AC_CHECK_HEADERS(dirent.h)
2220
2221         dnl ******************************************
2222         dnl *** Checks for OSX and iOS compilation ***
2223         dnl ******************************************
2224         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2225
2226         dnl *********************************
2227         dnl *** Check for Console 2.0 I/O ***
2228         dnl *********************************
2229         AC_CHECK_HEADERS([curses.h])
2230         AC_CHECK_HEADERS([term.h], [], [],
2231         [#if HAVE_CURSES_H
2232          #include <curses.h>
2233          #endif
2234         ])
2235         AC_CHECK_HEADERS([termios.h])
2236
2237         dnl * This is provided in io-layer, but on windows it's only available
2238         dnl * on xp+
2239         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2240 else
2241         dnl *********************************
2242         dnl *** Checks for Windows compilation ***
2243         dnl *********************************
2244         AC_CHECK_HEADERS(winternl.h)
2245
2246         jdk_headers_found=no
2247         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2248         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2249         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2250         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2251         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2252         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2253         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2254
2255         dnl *********************************
2256         dnl *** Check for struct ip_mreqn ***
2257         dnl *********************************
2258         AC_MSG_CHECKING(for struct ip_mreqn)
2259         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2260                 struct ip_mreqn mreq;
2261                 mreq.imr_address.s_addr = 0;
2262         ], [
2263                 # Yes, we have it...
2264                 AC_MSG_RESULT(yes)
2265                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2266         ], [
2267                 # We'll just have to try and use struct ip_mreq
2268                 AC_MSG_RESULT(no)
2269                 AC_MSG_CHECKING(for struct ip_mreq)
2270                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2271                         struct ip_mreq mreq;
2272                         mreq.imr_interface.s_addr = 0;
2273                 ], [
2274                         # Yes, we have it...
2275                         AC_MSG_RESULT(yes)
2276                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2277                 ], [
2278                         # No multicast support
2279                         AC_MSG_RESULT(no)
2280                 ])
2281         ])
2282
2283         dnl **********************************
2284         dnl *** Check for getaddrinfo ***
2285         dnl **********************************
2286         AC_MSG_CHECKING(for getaddrinfo)
2287                 AC_TRY_LINK([
2288                 #include <stdio.h>
2289                 #include <winsock2.h>
2290                 #include <ws2tcpip.h>
2291         ], [
2292                 getaddrinfo(NULL,NULL,NULL,NULL);
2293         ], [
2294                 # Yes, we have it...
2295                 AC_MSG_RESULT(yes)
2296                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2297         ], [
2298                 AC_MSG_RESULT(no)
2299         ])
2300
2301         dnl **********************************
2302         dnl *** Check for gethostbyname ***
2303         dnl **********************************
2304         AC_MSG_CHECKING(for gethostbyname)
2305                 AC_TRY_LINK([
2306                 #include <stdio.h>
2307                 #include <winsock2.h>
2308                 #include <ws2tcpip.h>
2309         ], [
2310                 gethostbyname(NULL);
2311         ], [
2312                 # Yes, we have it...
2313                 AC_MSG_RESULT(yes)
2314                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2315         ], [
2316                 AC_MSG_RESULT(no)
2317         ])
2318
2319         dnl **********************************
2320         dnl *** Check for getprotobyname ***
2321         dnl **********************************
2322         AC_MSG_CHECKING(for getprotobyname)
2323                 AC_TRY_LINK([
2324                 #include <stdio.h>
2325                 #include <winsock2.h>
2326                 #include <ws2tcpip.h>
2327         ], [
2328                 getprotobyname(NULL);
2329         ], [
2330                 # Yes, we have it...
2331                 AC_MSG_RESULT(yes)
2332                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2333         ], [
2334                 AC_MSG_RESULT(no)
2335         ])
2336
2337         dnl **********************************
2338         dnl *** Check for getnameinfo ***
2339         dnl **********************************
2340         AC_MSG_CHECKING(for getnameinfo)
2341                 AC_TRY_LINK([
2342                 #include <stdio.h>
2343                 #include <winsock2.h>
2344                 #include <ws2tcpip.h>
2345         ], [
2346                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2347         ], [
2348                 # Yes, we have it...
2349                 AC_MSG_RESULT(yes)
2350                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2351         ], [
2352                 AC_MSG_RESULT(no)
2353         ])
2354
2355         dnl **********************************
2356         dnl *** Check for inet_ntop ***
2357         dnl **********************************
2358         AC_MSG_CHECKING(for inet_ntop)
2359                 AC_TRY_LINK([
2360                 #include <stdio.h>
2361                 #include <winsock2.h>
2362                 #include <ws2tcpip.h>
2363         ], [
2364                 inet_ntop (0, NULL, NULL, 0);
2365         ], [
2366                 # Yes, we have it...
2367                 AC_MSG_RESULT(yes)
2368                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2369         ], [
2370                 AC_MSG_RESULT(no)
2371         ])
2372
2373         dnl **********************************
2374         dnl *** Check for inet_pton ***
2375         dnl **********************************
2376         AC_MSG_CHECKING(for inet_pton)
2377                 AC_TRY_LINK([
2378                 #include <stdio.h>
2379                 #include <winsock2.h>
2380                 #include <ws2tcpip.h>
2381         ], [
2382                 inet_pton (0, NULL, NULL);
2383         ], [
2384                 # Yes, we have it...
2385                 AC_MSG_RESULT(yes)
2386                 AC_DEFINE(HAVE_INET_PTON, 1, [Have inet_pton])
2387         ], [
2388                 AC_MSG_RESULT(no)
2389         ])
2390
2391         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2392         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2393         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2394         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2395         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2396         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2397         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2398
2399         AC_MSG_CHECKING(for GetProcessId)
2400         AC_TRY_COMPILE([#include <windows.h>], [
2401                 GetProcessId (0);
2402         ], [
2403            AC_MSG_RESULT(yes)
2404            AC_DEFINE(HAVE_GETPROCESSID)
2405         ], [
2406            AC_MSG_RESULT(no)
2407         ])
2408 fi
2409
2410 dnl socklen_t check
2411 AC_MSG_CHECKING(for socklen_t)
2412 AC_TRY_COMPILE([
2413 #include <sys/types.h>
2414 #include <sys/socket.h>
2415 ],[
2416   socklen_t foo;
2417 ],[
2418 ac_cv_c_socklen_t=yes
2419         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2420         AC_MSG_RESULT(yes)
2421 ],[
2422         AC_MSG_RESULT(no)
2423 ])
2424
2425 AC_MSG_CHECKING(for array element initializer support)
2426 AC_TRY_COMPILE([#include <sys/socket.h>], [
2427         const int array[] = {[1] = 2,};
2428 ], [
2429         # Yes, we have it...
2430         AC_MSG_RESULT(yes)
2431         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2432 ], [
2433         # We'll have to use signals
2434         AC_MSG_RESULT(no)
2435 ])
2436
2437 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2438         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2439         AC_TRY_LINK([#include <math.h>],
2440         [ static void *p = &trunc; ],
2441         [
2442                 AC_DEFINE(HAVE_TRUNC)
2443                 AC_MSG_RESULT(yes)
2444                 ac_cv_trunc=yes
2445         ],
2446         AC_MSG_RESULT(no)))
2447
2448 if test "x$ac_cv_truncl" != "xyes"; then
2449    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2450 fi
2451
2452 AC_CHECK_FUNCS(round)
2453 AC_CHECK_FUNCS(rint)
2454 AC_CHECK_FUNCS(execvp)
2455
2456 dnl ****************************
2457 dnl *** Look for /dev/random ***
2458 dnl ****************************
2459
2460 AC_MSG_CHECKING([if usage of random device is requested])
2461 AC_ARG_ENABLE(dev-random,
2462 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2463 try_dev_random=$enableval, try_dev_random=yes)
2464
2465 AC_MSG_RESULT($try_dev_random)
2466
2467 case "{$build}" in
2468     *-openbsd*)
2469     NAME_DEV_RANDOM="/dev/srandom"
2470     ;;
2471
2472 dnl Win32 does not have /dev/random, they have their own method...
2473
2474     *-mingw*|*-*-cygwin*)
2475     ac_cv_have_dev_random=no
2476     ;;
2477
2478 dnl Everywhere else, it's /dev/random
2479
2480     *)
2481     NAME_DEV_RANDOM="/dev/random"
2482     ;;
2483 esac
2484
2485 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2486
2487 dnl Now check if the device actually exists
2488
2489 if test "x$try_dev_random" = "xyes"; then
2490     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2491     [if test -r "$NAME_DEV_RANDOM" ; then
2492         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2493     if test "x$ac_cv_have_dev_random" = "xyes"; then
2494         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2495     fi
2496 else
2497     AC_MSG_CHECKING(for random device)
2498     ac_cv_have_dev_random=no
2499     AC_MSG_RESULT(has been disabled)
2500 fi
2501
2502 if test "x$host_win32" = "xyes"; then
2503     AC_DEFINE(HAVE_CRYPT_RNG)
2504 fi
2505
2506 if test "x$ac_cv_have_dev_random" = "xno" \
2507     && test "x$host_win32" = "xno"; then
2508     AC_MSG_WARN([[
2509 ***
2510 *** A system-provided entropy source was not found on this system.
2511 *** Because of this, the System.Security.Cryptography random number generator
2512 *** will throw a NotImplemented exception.
2513 ***
2514 *** If you are seeing this message, and you know your system DOES have an
2515 *** entropy collection in place, please contact <crichton@gimp.org> and
2516 *** provide information about the system and how to access the random device.
2517 ***
2518 *** Otherwise you can install either egd or prngd and set the environment
2519 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2520 ***]])
2521 fi
2522
2523 AC_MSG_CHECKING([if inter-process shared handles are requested])
2524 # Same as --enable-minimal=shared_handles
2525 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2526 AC_MSG_RESULT($try_shared_handles)
2527 if test "x$try_shared_handles" != "xyes"; then
2528         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2529         AC_SUBST(DISABLE_SHARED_HANDLES)
2530 fi
2531
2532 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2533
2534 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2535 if test "x$test_perf_events" == "xyes"; then
2536         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2537         AC_SUBST(ENABLE_PERF_EVENTS)
2538 fi
2539
2540 AC_MSG_CHECKING([if big-arrays are to be enabled])
2541 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2542 if test "x$enable_big_arrays" = "xyes" ; then
2543     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2544         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2545     else
2546         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2547     fi
2548 fi
2549 AC_MSG_RESULT($enable_big_arrays)
2550
2551 dnl **************
2552 dnl *** DTRACE ***
2553 dnl **************
2554
2555 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2556
2557 if test "x$enable_dtrace" = "xyes"; then
2558    if test "x$has_dtrace" = "xno"; then
2559           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2560    fi
2561    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2562    if test "x$DTRACE" = "xno"; then
2563           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2564           enable_dtrace=no
2565    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2566           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2567           enable_dtrace=no
2568    fi
2569 fi
2570
2571 dtrace_g=no
2572 if test "x$enable_dtrace" = "xyes"; then
2573         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2574         DTRACEFLAGS=
2575         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2576                 case "$host" in
2577                         powerpc-*-darwin*)
2578                         DTRACEFLAGS="-arch ppc64"
2579                         ;;
2580                         i*86-*-darwin*)
2581                         DTRACEFLAGS="-arch x86_64"
2582                         ;;
2583                         *)
2584                         DTRACEFLAGS=-64
2585                         ;;
2586                 esac
2587         else
2588                 case "$host" in
2589                         powerpc-*-darwin*)
2590                         DTRACEFLAGS="-arch ppc"
2591                         ;;
2592                         i*86-*-darwin*)
2593                         DTRACEFLAGS="-arch i386"
2594                         ;;
2595                         *)
2596                         DTRACEFLAGS=-32
2597                         ;;
2598                 esac
2599         fi
2600         AC_SUBST(DTRACEFLAGS)
2601         case "$host" in
2602                 *-*-solaris*)
2603                 dtrace_g=yes
2604                 ;;
2605         esac
2606         AC_CHECK_HEADERS([sys/sdt.h])
2607 fi
2608 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2609 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2610
2611 dnl **************
2612 dnl ***  NaCl  ***
2613 dnl **************
2614
2615 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2616 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2617
2618 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2619
2620 dnl
2621 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2622 dnl
2623 nacl_self_host=""
2624 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2625    nacl_self_host="nacl_self_host"
2626 fi
2627 AC_SUBST(nacl_self_host)
2628
2629 if test "x$enable_nacl_codegen" = "xyes"; then
2630    MONO_NACL_ALIGN_MASK_OFF=1
2631    AC_DEFINE(TARGET_NACL, 1, [...])
2632    AC_DEFINE(__native_client_codegen__, 1, [...])
2633 else
2634    MONO_NACL_ALIGN_MASK_OFF=0
2635    AC_DEFINE(__default_codegen__, 1, [...])
2636 fi
2637 if test "x$enable_nacl_gc" = "xyes"; then
2638    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2639       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2640    else
2641       # Not yet implemented
2642       INSTRUMENT_CFLAG=""
2643    fi
2644    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2645 fi
2646 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2647
2648 dnl **************
2649 dnl ***  LLVM  ***
2650 dnl **************
2651
2652 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2653 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2654 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2655
2656 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2657
2658 if test "x$enable_llvm" = "xyes"; then
2659    if test "x$with_llvm" != "x"; then
2660           LLVM_CONFIG=$with_llvm/bin/llvm-config
2661           if test x$host_win32 = xyes; then
2662                 LLVM_CONFIG=$LLVM_CONFIG.exe
2663           fi
2664           if test ! -x $LLVM_CONFIG; then
2665                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2666       fi
2667    else
2668       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2669       if test "x$LLVM_CONFIG" = "xno"; then
2670              AC_MSG_ERROR([llvm-config not found.])
2671       fi
2672    fi
2673
2674    llvm_codegen="x86codegen"
2675    case "$target" in
2676    arm*)
2677                 llvm_codegen="armcodegen"
2678                 ;;
2679    esac
2680
2681    if test "x$host_win32" = "xno"; then
2682
2683    # The output of --cflags seems to include optimizations flags too
2684    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2685    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2686    # from LLVM classes.
2687    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2688    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2689    # This might include empty lines
2690    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2691    if test "x$host" != "x$target"; then
2692       # No need for jit libs
2693       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2694    else
2695       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2696    fi
2697    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2698
2699    expected_llvm_version="3.4svn-mono-mono/e656cac"
2700
2701    # Should be something like '2.6' or '2.7svn'
2702    llvm_version=`$LLVM_CONFIG --version`
2703    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2704    AC_MSG_CHECKING(LLVM version)
2705    AC_MSG_RESULT($llvm_version)
2706    if echo $llvm_version | grep -q 'mono'; then
2707           if test "x$enable_llvm_version_check" == "xyes"; then
2708                  if test "$llvm_version" != "$expected_llvm_version"; then
2709                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2710                  fi
2711           fi
2712    else
2713           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2714    fi
2715
2716    else
2717        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2718        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2719        LLVM_LDFLAGS="-L$with_llvm/lib"
2720        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2721        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2722          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2723          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2724          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2725          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2726          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2727          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2728          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2729          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2730          -lLLVMSupport -lstdc++"
2731        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2732
2733        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2734        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2735    fi
2736
2737    if test "x$llvm_api_version" = "x"; then
2738           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2739           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2740    else
2741           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2742           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2743    fi
2744
2745    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2746
2747    AC_SUBST(LLVM_CFLAGS)
2748    AC_SUBST(LLVM_CXXFLAGS)
2749    AC_SUBST(LLVM_LIBS)
2750    AC_SUBST(LLVM_LDFLAGS)
2751    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2752 fi
2753
2754 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2755 if test "x$enable_loadedllvm" = "xyes"; then
2756    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2757 fi
2758 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2759
2760 TARGET="unknown"
2761 ACCESS_UNALIGNED="yes"
2762
2763 LIBC="libc.so.6"
2764 INTL="libc.so.6"
2765 SQLITE="libsqlite.so.0"
2766 SQLITE3="libsqlite3.so.0"
2767 X11="libX11.so"
2768 GDKX11="libgdk-x11-2.0.so.0"
2769 GTKX11="libgtk-x11-2.0.so.0"
2770 XINERAMA="libXinerama.so.1"
2771
2772 sizeof_register="SIZEOF_VOID_P"
2773
2774 jit_wanted=true
2775 sgen_supported=false
2776 boehm_supported=true
2777 case "$host" in
2778         mips*)
2779                 TARGET=MIPS;
2780                 arch_target=mips;
2781                 sgen_supported=true
2782                 ACCESS_UNALIGNED="no"
2783
2784                 AC_MSG_CHECKING(for mips n32)
2785                 AC_TRY_COMPILE([],[
2786                 #if _MIPS_SIM != _ABIN32
2787                 #error Not mips n32
2788                 #endif
2789                 return 0;
2790                 ],[
2791                 AC_MSG_RESULT(yes)
2792                 sizeof_register=8
2793                 ],[
2794                 AC_MSG_RESULT(no)
2795                 ])
2796                 ;;
2797         i*86-*-*)
2798                 TARGET=X86;
2799                 arch_target=x86;
2800                 case $host_os in
2801                   solaris*)
2802                         LIBC="libc.so"
2803                         INTL="libintl.so"
2804                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2805                                 TARGET=AMD64
2806                                 arch_target=amd64
2807                         fi
2808
2809                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2810                         # int astruct __attribute__ ((visibility ("hidden")));
2811                         # void foo ()
2812                         # {
2813                         #       void *p = &astruct;
2814                         # }
2815                         # gcc -fPIC --shared -o libfoo.so foo.c
2816                         # yields:
2817                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2818                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2819                         have_visibility_hidden=no
2820                         sgen_supported=true
2821                         ;;
2822                   mingw*|cygwin*)
2823                         sgen_supported=true
2824                         have_visibility_hidden=no
2825                         ;;
2826                   haiku*)
2827                         LIBC=libroot.so
2828                         ;;
2829                   linux*)
2830                         sgen_supported=true
2831                         AOT_SUPPORTED="yes"
2832                         ;;
2833                   darwin*)
2834                         sgen_supported=true
2835                         AOT_SUPPORTED="yes"
2836                         ;;
2837                   openbsd*|freebsd*|kfreebsd-gnu*)
2838                         sgen_supported=true
2839                         ;;
2840                 esac
2841                 ;;
2842         x86_64-*-* | amd64-*-*)
2843                 TARGET=AMD64;
2844                 arch_target=amd64;
2845                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2846                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2847                         sizeof_register=8
2848                 fi
2849                 case $host_os in
2850                   linux*)
2851                         sgen_supported=true
2852                         AOT_SUPPORTED="yes"
2853                         ;;
2854                   darwin*)
2855                         sgen_supported=true
2856                         AOT_SUPPORTED="yes"
2857                         ;;
2858                   openbsd*|freebsd*|kfreebsd-gnu*)
2859                         sgen_supported=true
2860                         ;;
2861                   mingw*)
2862                         sgen_supported=true
2863                         ;;
2864                 esac
2865                 case "$host" in
2866                         x86_64-*-nacl*)
2867                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2868                                 sizeof_register=8
2869                                 ;;
2870                 esac
2871                 ;;
2872         ia64-*-*)
2873                 TARGET=IA64
2874                 arch_target=ia64
2875                 ACCESS_UNALIGNED="no"
2876                 LIBC="libc.so.6.1"
2877                 INTL="libc.so.6.1"
2878                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2879                 libmono_ldflags="-lunwind"
2880                 ;;
2881         sparc*-*-*)
2882                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2883                    TARGET=SPARC64
2884                 else
2885                         TARGET=SPARC
2886                 fi
2887                 arch_target=sparc;
2888                 ACCESS_UNALIGNED="no"
2889                 case $host_os in
2890                   linux*) ;;
2891                   *)
2892                         LIBC="libc.so"
2893                         INTL="libintl.so"
2894                 esac
2895                 if test x"$GCC" = xyes; then
2896                         # We don't support v8 cpus
2897                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2898                 fi
2899                 if test x"$AR" = xfalse; then
2900                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2901                 fi
2902                 sgen_supported=true
2903                 ;;
2904         *-mingw*|*-*-cygwin*)
2905                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2906                 have_visibility_hidden=no
2907                 INTL="intl"
2908                 ;;
2909         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2910         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2911                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2912                         TARGET=POWERPC64;
2913                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2914                         CFLAGS="$CFLAGS -mminimal-toc"
2915                 else
2916                         TARGET=POWERPC;
2917                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2918                 fi
2919                 arch_target=ppc;
2920                 case $host_os in
2921                   linux*|darwin*)
2922                         sgen_supported=true
2923                         ;;
2924                 esac
2925                 ;;
2926         arm*-darwin*)
2927                 TARGET=ARM;
2928                 arch_target=arm;
2929                 ACCESS_UNALIGNED="no"
2930                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2931                 sgen_supported=true
2932                 ;;
2933         arm*-linux*)
2934                 TARGET=ARM;
2935                 arch_target=arm;
2936                 ACCESS_UNALIGNED="no"
2937                 sgen_supported=true
2938                 AOT_SUPPORTED="yes"
2939                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2940                 ;;
2941 # TODO: make proper support for NaCl host.
2942 #        arm*-*nacl)
2943 #               TARGET=ARM;
2944 #               arch_target=arm;
2945 #               ACCESS_UNALIGNED="no"
2946 #               sgen_supported=true
2947 #               AOT_SUPPORTED="no"
2948 #               ;;
2949         aarch64-*)
2950                 # https://lkml.org/lkml/2012/7/15/133
2951                 TARGET=ARM64
2952                 arch_target=arm64
2953                 sgen_supported=true
2954                 boehm_supported=false
2955                 ;;
2956         s390x-*-linux*)
2957                 TARGET=S390X;
2958                 arch_target=s390x;
2959                 ACCESS_UNALIGNED="yes"
2960                 sgen_supported=true
2961                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2962                 ;;
2963 esac
2964
2965 HOST=$TARGET
2966
2967 if test "x$host" != "x$target"; then
2968    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2969    enable_mcs_build=no
2970    case "$target" in
2971    arm*-darwin*)
2972                 TARGET=ARM;
2973                 arch_target=arm;
2974                 ACCESS_UNALIGNED="no"
2975                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2976                 # Can't use tls, since it depends on the runtime detection of tls offsets
2977                 # in mono-compiler.h
2978                 with_tls=pthread
2979                 ;;
2980    powerpc64-ps3-linux-gnu)
2981                 TARGET=POWERPC64
2982                 arch_target=powerpc64
2983                 AC_DEFINE(TARGET_PS3, 1, [...])
2984                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2985                 # uses this define
2986                 AC_DEFINE(__mono_ppc64__, 1, [...])
2987                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2988                 sizeof_register=8
2989                 target_byte_order=G_BIG_ENDIAN
2990                 ;;
2991    powerpc64-xbox360-linux-gnu)
2992                 TARGET=POWERPC64
2993                 arch_target=powerpc64
2994                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2995                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2996                 # uses this define
2997                 sizeof_register=8
2998                 target_byte_order=G_BIG_ENDIAN
2999                 ;;
3000    x86_64-*-nacl)
3001                 TARGET=AMD64
3002                 arch_target=amd64
3003                 AC_DEFINE(TARGET_AMD64, 1, [...])
3004                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
3005                 sizeof_register=8
3006                 ;;
3007 # TODO: make proper support for NaCl target.
3008 #   arm*-*nacl)
3009 #               TARGET=ARM
3010 #               arch_target=arm
3011 #               AC_DEFINE(TARGET_ARM, 1, [...])
3012 #               ACCESS_UNALIGNED="no"
3013 #               sizeof_register=4
3014 #               CPPFLAGS="$CPPFLAGS \
3015 #                    -D__ARM_EABI__ \
3016 #                    -D__arm__ \
3017 #                    -D__portable_native_client__ \
3018 #                    -Dtimezone=_timezone \
3019 #                    -DDISABLE_SOCKETS \
3020 #                    -DDISABLE_ATTACH \
3021 #                    -DUSE_NEWLIB"
3022                 # Can't use tls, since it depends on the runtime detection of tls offsets
3023                 # in mono-compiler.h
3024 #               with_tls=pthread
3025 #               ;;
3026    i686-*-nacl)
3027                 TARGET=X86
3028                 arch_target=x86
3029                 AC_DEFINE(TARGET_X86, 1, [...])
3030                 sizeof_register=4
3031                 ;;
3032    arm*-linux-*)
3033                 TARGET=ARM;
3034                 arch_target=arm;
3035                 AC_DEFINE(TARGET_ARM, 1, [...])
3036                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3037                 ACCESS_UNALIGNED="no"
3038                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3039                 # Can't use tls, since it depends on the runtime detection of tls offsets
3040                 # in mono-compiler.h
3041                 with_tls=pthread
3042                 target_mach=no
3043                 case "$target" in
3044                 armv7l-unknown-linux-gnueabi*)
3045                         # TEGRA
3046                         CPPFLAGS="$CPPFLAGS"
3047                         ;;
3048                 armv5-*-linux-androideabi*)
3049                         CPPFLAGS="$CPPFLAGS"
3050                         ;;
3051                 esac
3052                 ;;
3053    i686*-linux-*)
3054                 TARGET=X86;
3055                 arch_target=x86;
3056                 AC_DEFINE(TARGET_X86, 1, [...])
3057                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3058                 CPPFLAGS="$CPPFLAGS"
3059                 sgen_supported=true
3060                 # Can't use tls, since it depends on the runtime detection of tls offsets
3061                 # in mono-compiler.h
3062                 with_tls=pthread
3063                 target_mach=no
3064                 ;;
3065    x86_64*-linux-*)
3066                 TARGET=AMD64;
3067                 arch_target=amd64;
3068                 AC_DEFINE(TARGET_AMD64, 1, [...])
3069                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3070                 CPPFLAGS="$CPPFLAGS"
3071                 sgen_supported=true
3072                 # Can't use tls, since it depends on the runtime detection of tls offsets
3073                 # in mono-compiler.h
3074                 with_tls=pthread
3075                 target_mach=no
3076                 ;;
3077    x86_64-ps4-freebsd)
3078                 TARGET=AMD64;
3079                 arch_target=amd64;
3080                 AC_DEFINE(TARGET_AMD64, 1, [...])
3081                 AC_DEFINE(TARGET_PS4, 1, [...])
3082                 CPPFLAGS="$CPPFLAGS"
3083                 sgen_supported=true
3084                 # Can't use tls, since it depends on the runtime detection of tls offsets
3085                 # in mono-compiler.h
3086                 with_tls=pthread
3087                 target_mach=no
3088                 target_win32=no
3089                 ;;
3090    aarch64*-linux-*)
3091                 TARGET=ARM64;
3092                 arch_target=arm64;
3093                 AC_DEFINE(TARGET_ARM64, 1, [...])
3094                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3095                 CPPFLAGS="$CPPFLAGS"
3096                 # Can't use tls, since it depends on the runtime detection of tls offsets
3097                 # in mono-compiler.h
3098                 with_tls=pthread
3099                 target_mach=no
3100                 ;;
3101         aarch64-*)
3102                 TARGET=ARM64
3103                 ;;
3104         *)
3105                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3106         esac
3107 fi
3108
3109 case "$TARGET" in
3110 X86)
3111         AC_DEFINE(TARGET_X86, 1, [...])
3112         ;;
3113 AMD64)
3114         AC_DEFINE(TARGET_AMD64, 1, [...])
3115         ;;
3116 ARM)
3117         AC_DEFINE(TARGET_ARM, 1, [...])
3118         ;;
3119 ARM64)
3120         AC_DEFINE(TARGET_ARM64, 1, [...])
3121         ;;
3122 POWERPC)
3123         AC_DEFINE(TARGET_POWERPC, 1, [...])
3124         ;;
3125 POWERPC64)
3126         AC_DEFINE(TARGET_POWERPC, 1, [...])
3127         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3128         ;;
3129 S390X)
3130         AC_DEFINE(TARGET_S390X, 1, [...])
3131         ;;
3132 MIPS)
3133         AC_DEFINE(TARGET_MIPS, 1, [...])
3134         ;;
3135 IA64)
3136         AC_DEFINE(TARGET_IA64, 1, [...])
3137         ;;
3138 SPARC)
3139         AC_DEFINE(TARGET_SPARC, 1, [...])
3140         ;;
3141 SPARC64)
3142         AC_DEFINE(TARGET_SPARC64, 1, [...])
3143         ;;
3144 esac
3145
3146 dnl *************
3147 dnl *** VTUNE ***
3148 dnl *************
3149
3150 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3151 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3152
3153 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3154
3155 if test "x$enable_vtune" = "xyes"; then
3156         if test "x$with_vtune" = "x"; then
3157                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3158         else
3159                 VTUNE_PATH=$with_vtune
3160         fi
3161         VTUNE_INCLUDE=$VTUNE_PATH/include
3162         case "$TARGET" in
3163         X86)
3164                 VTUNE_LIB=$VTUNE_PATH/lib32
3165                 ;;
3166         AMD64)
3167                 VTUNE_LIB=$VTUNE_PATH/lib64
3168                 ;;
3169         *)
3170                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3171                 ;;
3172         esac
3173         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3174                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3175         fi
3176         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3177                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3178         fi
3179
3180         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3181         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3182
3183         AC_SUBST(VTUNE_LIBS)
3184         AC_SUBST(VTUNE_CFLAGS)
3185 fi
3186 dnl Use GCC atomic ops if they work on the target.
3187 if test x$GCC = "xyes"; then
3188         case $TARGET in
3189         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3190                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3191                 ;;
3192         esac
3193 fi
3194
3195 if test "x$target_mach" = "xyes"; then
3196    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3197           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3198           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3199           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3200    else
3201        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3202        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3203        #error fail this for ios
3204        #endif
3205        return 0;
3206        ], [
3207                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3208           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3209           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3210        ], [
3211           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3212           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3213           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3214        ])
3215         fi
3216    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3217 fi
3218
3219 if test "x$sizeof_register" = "x4"; then
3220    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3221 elif test "x$sizeof_register" = "x8"; then
3222    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3223 else
3224    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3225 fi
3226
3227 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3228    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3229 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3230    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3231 else
3232    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3233 fi
3234
3235 if test "x$have_visibility_hidden" = "xyes"; then
3236    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3237 fi
3238
3239 if test "x$have_deprecated" = "xyes"; then
3240    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3241 fi
3242
3243 dnl
3244 dnl Simple Generational checks (sgen)
3245 dnl
3246 if $sgen_supported; then
3247    build_sgen_default=yes
3248 else
3249    build_sgen_default=no
3250 fi
3251 SGEN_DEFINES=
3252 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3253 if test x$buildsgen = xyes; then
3254    if $sgen_supported; then
3255        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3256        gc_msg="sgen and $gc_msg"
3257    else
3258        buildsgen=no
3259        AC_MSG_WARN("Sgen is not supported on this platform")
3260    fi
3261 fi
3262 AC_SUBST(SGEN_DEFINES)
3263 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3264
3265 jit_status="Building and using the JIT"
3266
3267 libsuffix=".so"
3268
3269 case "$host" in
3270      *-*-darwin*)
3271         libsuffix=".dylib"
3272         LIBC="libc.dylib"
3273         INTL="libintl.dylib"
3274         SQLITE="libsqlite.0.dylib"
3275         SQLITE3="libsqlite3.0.dylib"
3276         X11="libX11.dylib"
3277         GDKX11="libgdk-x11-2.0.dylib"
3278         GTKX11="libgtk-x11-2.0.dylib"
3279         ;;
3280      *-*-*netbsd*)
3281         LIBC="libc.so.12"
3282         INTL="libintl.so.0"
3283         ;;
3284      *-*-kfreebsd*-gnu)
3285         LIBC="libc.so.0.1"
3286         INTL="libc.so.0.1"
3287         X11="libX11.so.6"
3288         ;;
3289     *-*-*freebsd*)
3290         LIBC="libc.so"
3291         INTL="libintl.so"
3292         SQLITE="libsqlite.so"
3293         SQLITE3="libsqlite3.so"
3294         ;;
3295     *-*-*openbsd*)
3296         LIBC="libc.so"
3297         INTL="libintl.so"
3298         SQLITE="libsqlite.so"
3299         SQLITE3="libsqlite3.so"
3300         ;;
3301     *-*-*linux*)
3302         AC_PATH_X
3303         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3304         AC_MSG_CHECKING(for the soname of libX11.so)
3305         for i in $x_libraries $dlsearch_path; do
3306                 for r in 4 5 6; do
3307                         if test -f $i/libX11.so.$r; then
3308                                 X11=libX11.so.$r
3309                                 AC_MSG_RESULT($X11)
3310                         fi
3311                 done
3312         done
3313
3314         if test "x$X11" = "xlibX11.so"; then
3315                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3316                 X11=libX11.so.6
3317         fi
3318         ;;
3319 esac
3320
3321
3322 AC_SUBST(libsuffix)
3323
3324 AC_ARG_WITH([libgdiplus],
3325         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3326         [], [with_libgdiplus=installed])
3327
3328 # default install location
3329 libgdiplus_install_loc=libgdiplus${libsuffix}
3330 case $with_libgdiplus in
3331     no|installed)
3332     libgdiplus_loc=
3333     ;;
3334
3335     yes|sibling)
3336     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3337     ;;
3338
3339     /*) # absolute path, assume it is an install location
3340     libgdiplus_loc=$with_libgdiplus
3341     libgdiplus_install_loc=$with_libgdiplus
3342     ;;
3343
3344     *)
3345     libgdiplus_loc=`pwd`/$with_libgdiplus
3346     ;;
3347 esac
3348 AC_SUBST([libgdiplus_loc])
3349 AC_SUBST([libgdiplus_install_loc])
3350
3351 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3352 if test "x$icall_symbol_map" = "xyes"; then
3353    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3354 fi
3355
3356 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3357 if test "x$icall_export" = "xyes"; then
3358    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3359 fi
3360
3361 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3362 if test "x$icall_tables" = "xno"; then
3363    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3364 fi
3365
3366 if test "x$with_tls" = "x__thread"; then
3367         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3368         # Pass the information to libgc
3369         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3370         AC_MSG_CHECKING(if the tls_model attribute is supported)
3371         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3372                 ], [
3373                         AC_MSG_RESULT(yes)
3374                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3375                 ], [
3376                         AC_MSG_RESULT(no)
3377         ])
3378 fi
3379
3380 if test ${TARGET} = ARM; then
3381         dnl ******************************************
3382         dnl *** Check to see what FPU is available ***
3383         dnl ******************************************
3384         AC_MSG_CHECKING(which FPU to use)
3385
3386         #
3387         # This is a bit tricky:
3388         #
3389         # if (__ARM_PCS_VFP) {
3390         #       /* mfloat-abi=hard == VFP with hard ABI */
3391         # } elif (!__SOFTFP__) {
3392         #       /* mfloat-abi=softfp == VFP with soft ABI */
3393         # } else {
3394         #       /* mfloat-abi=soft == no VFP */
3395         # }
3396         #
3397         # The exception is iOS (w/ GCC) where none of the above
3398         # are defined (but iOS always uses the 'softfp' ABI).
3399         #
3400         # No support for FPA.
3401         #
3402
3403         fpu=NONE
3404
3405         # iOS GCC always uses the 'softfp' ABI.
3406         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3407                 fpu=VFP
3408         fi
3409
3410         # Are we using the 'hard' ABI?
3411         if test x$fpu = xNONE; then
3412                 AC_TRY_COMPILE([], [
3413                         #ifndef __ARM_PCS_VFP
3414                         #error "Float ABI is not 'hard'"
3415                         #endif
3416                         return 0;
3417                 ], [
3418                         fpu=VFP_HARD
3419                 ], [
3420                         fpu=NONE
3421                 ])
3422         fi
3423
3424         # No 'hard' ABI. 'soft' or 'softfp'?
3425         if test x$fpu = xNONE; then
3426                 AC_TRY_COMPILE([], [
3427                         #ifdef __SOFTFP__
3428                         #error "Float ABI is not 'softfp'"
3429                         #endif
3430                         return 0;
3431                 ], [
3432                         fpu=VFP
3433                 ], [
3434                         fpu=NONE
3435                 ])
3436         fi
3437
3438         AC_MSG_RESULT($fpu)
3439         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3440         unset fpu
3441
3442         dnl *********************************************
3443         dnl *** Check which ARM version(s) we can use ***
3444         dnl *********************************************
3445         AC_MSG_CHECKING(which ARM version to use)
3446
3447         AC_TRY_COMPILE([], [
3448                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3449                 #error Not on ARM v5.
3450                 #endif
3451                 return 0;
3452         ], [
3453                 arm_v5=yes
3454
3455                 arm_ver=ARMv5
3456         ], [])
3457
3458         AC_TRY_COMPILE([], [
3459                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3460                 #error Not on ARM v6.
3461                 #endif
3462                 return 0;
3463         ], [
3464                 arm_v5=yes
3465                 arm_v6=yes
3466
3467                 arm_ver=ARMv6
3468         ], [])
3469
3470         AC_TRY_COMPILE([], [
3471                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3472                 #error Not on ARM v7.
3473                 #endif
3474                 return 0;
3475         ], [
3476                 arm_v5=yes
3477                 arm_v6=yes
3478                 arm_v7=yes
3479
3480                 arm_ver=ARMv7
3481         ], [])
3482
3483         AC_MSG_RESULT($arm_ver)
3484
3485         if test x$arm_v5 = xyes; then
3486                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3487                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3488         fi
3489
3490         if test x$arm_v6 = xyes; then
3491                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3492                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3493         fi
3494
3495         if test x$arm_v7 = xyes; then
3496                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3497                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3498         fi
3499 fi
3500
3501 if test ${TARGET} = ARM; then
3502         if test "x${with_jumptables}" = "xyes"; then
3503                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3504         fi
3505 fi
3506
3507 if test ${TARGET} = unknown; then
3508         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3509         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3510 fi
3511
3512 if test ${ACCESS_UNALIGNED} = no; then
3513         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3514 fi
3515
3516 case "x$libgc" in
3517         xincluded)
3518                 # Pass CPPFLAGS to libgc configure
3519                 # We should use a separate variable for this to avoid passing useless and
3520                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3521                 # This should be executed late so we pick up the final version of CPPFLAGS
3522                 # The problem with this approach, is that during a reconfigure, the main
3523                 # configure scripts gets invoked with these arguments, so we use separate
3524                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3525                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3526                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3527                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3528                 fi
3529                 # Don't pass -finstrument-for-thread-suspension in,
3530                 # if these are instrumented it will be very bad news
3531                 # (infinite recursion, undefined parking behavior, etc)
3532                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3533                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3534                 if test "x$support_boehm" = "xyes"; then
3535                         AC_CONFIG_SUBDIRS(libgc)
3536                 fi
3537                 ;;
3538 esac
3539
3540 AC_ARG_WITH(profile4_5,[  --with-profile4_5=yes,no        If you want to install the 4.5 FX (defaults to yes)],                [], [with_profile4_5=yes])
3541 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3542 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3543 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3544
3545 OPROFILE=no
3546 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3547         if test x$with_oprofile != xno; then
3548             oprofile_include=$with_oprofile/include
3549             if test ! -f $oprofile_include/opagent.h; then
3550                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3551                 fi
3552             OPROFILE=yes
3553                 OPROFILE_CFLAGS="-I$oprofile_include"
3554             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3555             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3556         fi
3557 ])
3558
3559 MALLOC_MEMPOOLS=no
3560 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3561         if test x$with_malloc_mempools = xyes; then
3562                 MALLOC_MEMPOOLS=yes
3563                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3564         fi
3565 ])
3566
3567
3568 DISABLE_MCS_DOCS=no
3569 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3570         if test x$with_mcs_docs != xyes; then
3571                 DISABLE_MCS_DOCS=yes
3572         fi
3573 ])
3574 if test x$with_profile4_5 != xyes; then
3575         DISABLE_MCS_DOCS=yes
3576 fi
3577
3578 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)],[
3579         if test x$with_lazy_gc_thread_creation != xno ; then
3580                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3581         fi
3582 ], [with_lazy_gc_thread_creation=no])
3583
3584 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3585         if test x$with_cooperative_gc != xno ; then
3586                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3587         fi
3588 ], [with_cooperative_gc=no])
3589
3590 AC_CHECK_HEADER([malloc.h],
3591                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3592                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3593
3594 if test x"$GCC" = xyes; then
3595         # Implicit function declarations are not 64 bit safe
3596         # Do this late, since this causes lots of configure tests to fail
3597         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3598         # jay has a lot of implicit declarations
3599         JAY_CFLAGS="-Wno-implicit-function-declaration"
3600 fi
3601
3602 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3603 # instead of libmono-static.a
3604 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3605    LIBMONO_LA=libmini-static.la
3606 else
3607    if test x$buildsgen = xyes; then
3608       LIBMONO_LA=libmonosgen-$API_VER.la
3609    else
3610       LIBMONO_LA=libmonoboehm-$API_VER.la
3611    fi
3612 fi
3613 AC_SUBST(LIBMONO_LA)
3614
3615 dnl
3616 dnl Consistency settings
3617 dnl
3618 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3619    DISABLE_MCS_DOCS=yes
3620    with_profile4_5=no
3621    with_monodroid=no
3622    with_monotouch=no
3623    with_xammac=no
3624 fi
3625
3626 if test x$DISABLE_MCS_DOCS = xyes; then
3627    docs_dir=""
3628 else
3629    docs_dir=docs
3630 fi
3631 AC_SUBST(docs_dir)
3632
3633 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3634 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3635
3636 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3637 AC_SUBST(OPROFILE_CFLAGS)
3638 AC_SUBST(OPROFILE_LIBS)
3639
3640 libmono_ldflags="$libmono_ldflags $LIBS"
3641
3642 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3643 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3644 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3645 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3646 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3647 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3648
3649 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3650 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3651 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3652 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3653 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3654 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3655 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3656 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3657 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3658 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3659 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3660 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3661 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3662 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3663 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3664 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3665 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3666 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3667
3668 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3669
3670 AC_SUBST(LIBC)
3671 AC_SUBST(INTL)
3672 AC_SUBST(SQLITE)
3673 AC_SUBST(SQLITE3)
3674 AC_SUBST(X11)
3675 AC_SUBST(GDKX11)
3676 AC_SUBST(GTKX11)
3677 AC_SUBST(XINERAMA)
3678 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3679 AC_SUBST(arch_target)
3680 AC_SUBST(CFLAGS)
3681 AC_SUBST(CPPFLAGS)
3682 AC_SUBST(LDFLAGS)
3683
3684 mono_build_root=`pwd`
3685 AC_SUBST(mono_build_root)
3686
3687 mono_runtime=mono/mini/mono
3688 AC_SUBST(mono_runtime)
3689
3690 mono_cfg_root=$mono_build_root/runtime
3691 if test x$host_win32 = xyes; then
3692   if test "x$cross_compiling" = "xno"; then
3693     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3694   else
3695     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3696   fi
3697 else
3698   mono_cfg_dir=$mono_cfg_root/etc
3699 fi
3700 AC_SUBST(mono_cfg_dir)
3701
3702 AC_CONFIG_FILES([po/mcs/Makefile.in])
3703
3704 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3705 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3706
3707 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3708 [   depth=../../../..
3709     case $srcdir in
3710     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3711     .) reldir=$depth ;;
3712     *) reldir=$depth/$srcdir ;;
3713     esac
3714     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3715     cd runtime/etc/mono/1.0
3716     rm -f machine.config
3717     $LN_S $reldir/data/net_1_1/machine.config machine.config
3718     cd $depth
3719 ],[LN_S='$LN_S'])
3720
3721 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3722 [   depth=../../../..
3723     case $srcdir in
3724     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3725     .) reldir=$depth ;;
3726     *) reldir=$depth/$srcdir ;;
3727     esac
3728     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3729     cd runtime/etc/mono/2.0
3730     rm -f machine.config
3731     $LN_S $reldir/data/net_2_0/machine.config machine.config
3732     cd $depth
3733 ],[LN_S='$LN_S'])
3734
3735 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3736 [   depth=../../../..
3737     case $srcdir in
3738     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3739     .) reldir=$depth ;;
3740     *) reldir=$depth/$srcdir ;;
3741     esac
3742     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3743     cd runtime/etc/mono/2.0
3744     rm -f web.config
3745     $LN_S $reldir/data/net_2_0/web.config web.config
3746     cd $depth
3747 ],[LN_S='$LN_S'])
3748
3749 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3750 [   depth=../../..
3751     case $srcdir in
3752     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3753     .) reldir=$depth ;;
3754     *) reldir=$depth/$srcdir ;;
3755     esac
3756     $ac_aux_dir/install-sh -d runtime/etc/mono/
3757     cd runtime/etc/mono/
3758     rm -f browscap.ini
3759     $LN_S $reldir/data/browscap.ini browscap.ini
3760     cd $depth
3761 ],[LN_S='$LN_S'])
3762
3763 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3764 [   depth=../../../../..
3765     case $srcdir in
3766     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3767     .) reldir=$depth ;;
3768     *) reldir=$depth/$srcdir ;;
3769     esac
3770     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3771     cd runtime/etc/mono/2.0/Browsers
3772     rm -f Compat.browser
3773     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3774     cd $depth
3775 ],[LN_S='$LN_S'])
3776
3777 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3778 [   depth=../../../../..
3779     case $srcdir in
3780     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3781     .) reldir=$depth ;;
3782     *) reldir=$depth/$srcdir ;;
3783     esac
3784     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3785     cd runtime/etc/mono/4.0/Browsers
3786     rm -f Compat.browser
3787     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3788     cd $depth
3789 ],[LN_S='$LN_S'])
3790
3791 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3792 [   depth=../../../../..
3793     case $srcdir in
3794     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3795     .) reldir=$depth ;;
3796     *) reldir=$depth/$srcdir ;;
3797     esac
3798     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3799     cd runtime/etc/mono/4.5/Browsers
3800     rm -f Compat.browser
3801     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3802     cd $depth
3803 ],[LN_S='$LN_S'])
3804
3805 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3806 [   depth=../../../..
3807     case $srcdir in
3808     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3809     .) reldir=$depth ;;
3810     *) reldir=$depth/$srcdir ;;
3811     esac
3812     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3813     cd runtime/etc/mono/4.0
3814     rm -f machine.config
3815     $LN_S $reldir/data/net_4_0/machine.config machine.config
3816     cd $depth
3817 ],[LN_S='$LN_S'])
3818
3819 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3820 [   depth=../../../..
3821     case $srcdir in
3822     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3823     .) reldir=$depth ;;
3824     *) reldir=$depth/$srcdir ;;
3825     esac
3826     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3827     cd runtime/etc/mono/4.0
3828     rm -f web.config
3829     $LN_S $reldir/data/net_4_0/web.config web.config
3830     cd $depth
3831 ],[LN_S='$LN_S'])
3832
3833 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3834 [   depth=../../../..
3835     case $srcdir in
3836     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3837     .) reldir=$depth ;;
3838     *) reldir=$depth/$srcdir ;;
3839     esac
3840     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3841     cd runtime/etc/mono/4.5
3842     rm -f machine.config
3843     $LN_S $reldir/data/net_4_5/machine.config machine.config
3844     cd $depth
3845 ],[LN_S='$LN_S'])
3846
3847 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3848 [   depth=../../../..
3849     case $srcdir in
3850     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3851     .) reldir=$depth ;;
3852     *) reldir=$depth/$srcdir ;;
3853     esac
3854     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3855     cd runtime/etc/mono/4.5
3856     rm -f web.config
3857     $LN_S $reldir/data/net_4_5/web.config web.config
3858     cd $depth
3859 ],[LN_S='$LN_S'])
3860
3861 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])
3862 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])
3863
3864 AC_OUTPUT([
3865 Makefile
3866 mono-uninstalled.pc
3867 scripts/mono-find-provides
3868 scripts/mono-find-requires
3869 mono/Makefile
3870 mono/utils/Makefile
3871 mono/metadata/Makefile
3872 mono/dis/Makefile
3873 mono/cil/Makefile
3874 mono/arch/Makefile
3875 mono/arch/x86/Makefile
3876 mono/arch/amd64/Makefile
3877 mono/arch/ppc/Makefile
3878 mono/arch/sparc/Makefile
3879 mono/arch/s390x/Makefile
3880 mono/arch/arm/Makefile
3881 mono/arch/arm64/Makefile
3882 mono/arch/ia64/Makefile
3883 mono/arch/mips/Makefile
3884 mono/tests/Makefile
3885 mono/tests/tests-config
3886 mono/tests/assemblyresolve/Makefile
3887 mono/tests/cas/Makefile
3888 mono/tests/cas/assembly/Makefile
3889 mono/tests/cas/demand/Makefile
3890 mono/tests/cas/inheritance/Makefile
3891 mono/tests/cas/linkdemand/Makefile
3892 mono/tests/cas/threads/Makefile
3893 mono/tests/gc-descriptors/Makefile
3894 mono/unit-tests/Makefile
3895 mono/benchmark/Makefile
3896 mono/io-layer/Makefile
3897 mono/mini/Makefile
3898 mono/profiler/Makefile
3899 m4/Makefile
3900 ikvm-native/Makefile
3901 scripts/Makefile
3902 man/Makefile
3903 docs/Makefile
3904 data/Makefile
3905 data/net_2_0/Makefile
3906 data/net_4_0/Makefile
3907 data/net_4_5/Makefile
3908 data/net_2_0/Browsers/Makefile
3909 data/net_4_0/Browsers/Makefile
3910 data/net_4_5/Browsers/Makefile
3911 data/mint.pc
3912 data/mono-2.pc
3913 data/monosgen-2.pc
3914 data/mono.pc
3915 data/mono-cairo.pc
3916 data/mono-nunit.pc
3917 data/mono-options.pc
3918 data/mono-lineeditor.pc
3919 data/monodoc.pc
3920 data/dotnet.pc
3921 data/dotnet35.pc
3922 data/wcf.pc
3923 data/cecil.pc
3924 data/system.web.extensions_1.0.pc
3925 data/system.web.extensions.design_1.0.pc
3926 data/system.web.mvc.pc
3927 data/system.web.mvc2.pc
3928 data/system.web.mvc3.pc
3929 data/aspnetwebstack.pc
3930 data/reactive.pc
3931 samples/Makefile
3932 support/Makefile
3933 data/config
3934 tools/Makefile
3935 tools/locale-builder/Makefile
3936 tools/sgen/Makefile
3937 tools/monograph/Makefile
3938 runtime/Makefile
3939 msvc/Makefile
3940 po/Makefile
3941 ])
3942
3943 # Update all submodules recursively to ensure everything is checked out
3944 $srcdir/scripts/update_submodules
3945
3946 if test x$host_win32 = xyes; then
3947    # Get rid of 'cyg' prefixes in library names
3948    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3949    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3950    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3951    # executable doesn't work...
3952    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3953 fi
3954
3955 if test x$platform_darwin = xyes; then
3956    # This doesn't seem to be required and it slows down parallel builds
3957    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3958 fi
3959
3960 (
3961   case $prefix in
3962   NONE) prefix=$ac_default_prefix ;;
3963   esac
3964   case $exec_prefix in
3965   NONE) exec_prefix='${prefix}' ;;
3966   esac
3967
3968   #
3969   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3970   # any existing config.make.  This allows people to share the same source tree
3971   # with different build directories, one native and one cross
3972   #
3973   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3974
3975     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3976
3977     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3978     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3979     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3980     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3981     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3982     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3983     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3984     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3985
3986     case $INSTALL in
3987     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3988     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3989     esac
3990
3991     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3992
3993     export VERSION
3994     [myver=$($AWK 'BEGIN {
3995       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3996       if(length(vsplit [1]) > 4) {
3997         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3998       }
3999       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
4000     }')]
4001
4002     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
4003
4004     if test x$platform_darwin = xyes; then
4005       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
4006     fi
4007
4008         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
4009            enable_system_aot=yes
4010         fi
4011
4012     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
4013       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
4014     fi
4015
4016     if test x$DISABLE_MCS_DOCS = xyes; then
4017       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
4018     fi
4019
4020     if test x$has_extension_module != xno; then
4021         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
4022     fi
4023
4024         default_profile=net_4_5
4025     if test -z "$INSTALL_MONODROID_TRUE"; then :
4026                 default_profile=monodroid
4027     fi
4028     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
4029                 default_profile=monotouch
4030     fi
4031         if test -z "$INSTALL_XAMMAC_TRUE"; then :
4032                 default_profile=xammac
4033         fi
4034     if test -z "$INSTALL_4_5_TRUE"; then :
4035                 default_profile=net_4_5
4036     fi
4037
4038     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4039
4040     if test "x$test_bcl_opt" = "xyes"; then
4041       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4042     fi
4043
4044   fi
4045
4046 )
4047
4048 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4049
4050 echo "
4051         mcs source:    $mcsdir
4052
4053    Engine:
4054         Host:          $host
4055         Target:        $target
4056         GC:            $gc_msg
4057         TLS:           $with_tls
4058         SIGALTSTACK:   $with_sigaltstack
4059         Engine:        $jit_status
4060         oprofile:      $OPROFILE
4061         BigArrays:     $enable_big_arrays
4062         DTrace:        $enable_dtrace
4063         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4064
4065    Libraries:
4066         .NET 4.5:      $with_profile4_5
4067         MonoDroid:     $with_monodroid
4068         MonoTouch:     $with_monotouch
4069         Xamarin.Mac:   $with_xammac
4070         JNI support:   $jdk_headers_found
4071         libgdiplus:    $libgdiplus_msg
4072         zlib:          $zlib_msg
4073         $disabled
4074 "
4075 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4076    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4077 fi