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