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 "$host" in
  98         *-mingw*|*-*-cygwin*)
  99                 AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
 100                 AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
 101                 AC_DEFINE(PLATFORM_NO_SYMLINKS,1,[This platform does not support symlinks])
 102                 host_win32=yes
 103                 mono_cv_clang=no
 104                 if test "x$cross_compiling" = "xno"; then
 105                         if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 106                                 target_win32=yes
 107                         fi
 108                 else
 109                         target_win32=yes
 110                 fi
 111                 HOST_CC="gcc"
 112                 # Windows XP SP2 is required
 113                 CPPFLAGS="$CPPFLAGS -DWINVER=0x0502 -D_WIN32_WINNT=0x0502 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
 114                 LDFLAGS="$LDFLAGS -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi"
 115                 libmono_cflags="-mms-bitfields -mwindows"
 116                 libmono_ldflags="-mms-bitfields -mwindows"
 117                 libdl=
 118                 libgc_threads=win32
 119                 libgc_default=included
 120                 with_sigaltstack=no
 121                 with_tls=pthread
 122                 LN_S=cp
 123                 # This forces libgc to use the DllMain based thread registration code on win32
 124                 libgc_configure_args="$libgc_configure_args --enable-win32-dllmain=yes"
 125                 ;;
 126         *-*-*netbsd*)
 127                 host_win32=no
 128                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
 129                 libmono_cflags="-D_REENTRANT"
 130                 LDFLAGS="$LDFLAGS -pthread"
 131                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 132                 libmono_ldflags="-pthread"
 133                 need_link_unlink=yes
 134                 libdl="-ldl"
 135                 libgc_threads=pthreads
 136                 with_sigaltstack=no
 137                 use_sigposix=yes
 138                 ;;
 139         *-*-kfreebsd*-gnu)
 140                 host_win32=no
 141                 CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
 142                 libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
 143                 libmono_ldflags="-lpthread -pthread"
 144                 libdl="-ldl"
 145                 libgc_threads=pthreads
 146                 need_link_unlink=yes
 147                 with_sigaltstack=no
 148                 use_sigposix=yes
 149                 ;;
 150         *-*-*freebsd*)
 151                 host_win32=no
 152                 if test "x$PTHREAD_CFLAGS" = "x"; then
 153                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 154                         libmono_cflags=
 155                 else
 156                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 157                         libmono_cflags="$PTHREAD_CFLAGS"
 158                 fi
 159                 if test "x$PTHREAD_LIBS" = "x"; then
 160                         LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
 161                         libmono_ldflags="-pthread"
 162                 else
 163                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
 164                         libmono_ldflags="$PTHREAD_LIBS"
 165                 fi
 166                 CPPFLAGS="$CPPFLAGS -DPLATFORM_BSD"
 167                 need_link_unlink=yes
 168                 AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
 169                 libdl=
 170                 libgc_threads=pthreads
 171                 use_sigposix=yes
 172                 has_dtrace=yes
 173                 ;;
 174         *-*-*openbsd*)
 175                 host_win32=no
 176                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DPLATFORM_BSD -D_REENTRANT -DUSE_MMAP"
 177                 if test "x$disable_munmap" != "xyes"; then
 178                 CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 179                 fi
 180                 libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
 181                 LDFLAGS="$LDFLAGS -pthread"
 182                 need_link_unlink=yes
 183                 AC_DEFINE(PTHREAD_POINTER_ID)
 184                 libdl=
 185                 libgc_default=boehm
 186                 libgc_threads=pthreads
 187                 with_sigaltstack=no
 188                 use_sigposix=yes
 189                 ;;
 190         *-*-linux-android*)
 191                 host_win32=no
 192                 platform_android=yes
 193                 AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
 194                 AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
 195
 196                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 197                 if test "x$disable_munmap" != "xyes"; then
 198                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 199                 fi
 200                 libmono_cflags="-D_REENTRANT"
 201                 libdl="-ldl"
 202                 libgc_threads=pthreads
 203                 use_sigposix=yes
 204
 205                 with_tls=pthread
 206                 with_sigaltstack=no
 207                 with_static_mono=no
 208
 209                 # Android doesn't support boehm, as it's missing <link.h>
 210                 support_boehm=no
 211                 with_gc=sgen
 212
 213                 # isinf(3) requires -lm; see isinf check below
 214                 LDFLAGS="$LDFLAGS -lm"
 215
 216                 # Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
 217                 # PAGE_SIZE; breaks mono/io-layer/collection.c
 218                 # Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
 219                 CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 220                 CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
 221
 222                 # The configure check can't detect this
 223                 AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
 224
 225                 # to bypass the underscore linker check, can't work when cross-compiling
 226                 mono_cv_uscore=yes
 227                 mono_cv_clang=no
 228                 ;;
 229         *-*-linux*)
 230                 host_win32=no
 231                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 232                 if test "x$disable_munmap" != "xyes"; then
 233                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 234                 fi
 235                 libmono_cflags="-D_REENTRANT"
 236                 libdl="-ldl"
 237                 libgc_threads=pthreads
 238                 use_sigposix=yes
 239                 if test "x$cross_compiling" != "xno"; then
 240                         # to bypass the underscore linker check, not
 241                         # available during cross-compilation
 242                         mono_cv_uscore=no
 243                 fi
 244                 case "$host" in
 245                 aarch64-*)
 246                         support_boehm=no
 247                         with_gc=sgen
 248                         ;;
 249                 esac
 250                 ;;
 251         *-*-nacl*)
 252                 host_win32=no
 253                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
 254                 if test "x$disable_munmap" != "xyes"; then
 255                         CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
 256                 fi
 257                 libmono_cflags="-D_REENTRANT"
 258                 libdl=
 259                 libgc_threads=pthreads
 260                 libgc_default=boehm
 261                 use_sigposix=yes
 262                 ikvm_native=no
 263                 AC_DEFINE(DISABLE_SOCKETS,1,[Disable sockets support])
 264                 AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 265                 ;;
 266         *-*-hpux*)
 267                 host_win32=no
 268                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 269                 # +ESdbgasm only valid on bundled cc on RISC
 270                 # silently ignored for ia64
 271                 if test $GCC != "yes"; then
 272                         CFLAGS="$CFLAGS +ESdbgasm"
 273                         # Arrange for run-time dereferencing of null
 274                         # pointers to produce a SIGSEGV signal.
 275                         LDFLAGS="$LDFLAGS -z"
 276                 fi
 277                 CFLAGS="$CFLAGS +ESdbgasm"
 278                 LDFLAGS="$LDFLAGS -z"
 279                 libmono_cflags="-D_REENTRANT"
 280                 libmono_ldflags="-lpthread"
 281                 libgc_threads=pthreads
 282                 need_link_unlink=yes
 283                 use_sigposix=yes
 284                 ;;
 285         *-*-solaris*)
 286                 host_win32=no
 287                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DPLATFORM_SOLARIS"
 288                 need_link_unlink=yes
 289                 libmono_cflags="-D_REENTRANT"
 290                 libgc_threads=pthreads
 291                 # This doesn't seem to work on solaris/x86, but the configure test runs
 292                 with_tls=pthread
 293                 has_dtrace=yes
 294                 use_sigposix=yes
 295                 enable_solaris_tar_check=yes
 296                 ;;
 297         *-*-darwin*)
 298                 parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
 299                 host_win32=no
 300                 platform_darwin=yes
 301                 target_mach=yes
 302                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS -DPLATFORM_MACOSX -DUSE_MMAP -DUSE_MUNMAP"
 303                 libmono_cflags="-D_THREAD_SAFE"
 304                 need_link_unlink=yes
 305                 AC_DEFINE(PTHREAD_POINTER_ID)
 306                 AC_DEFINE(USE_MACH_SEMA, 1, [...])
 307                 libdl=
 308                 libgc_threads=pthreads
 309                 has_dtrace=yes
 310                 if test "x$cross_compiling" = "xyes"; then
 311                         has_broken_apple_cpp=yes
 312                 fi
 313                 dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
 314                 dnl its gcc defaults to 64-bit mode.  They have also deprecated the usage of ucontext
 315                 dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
 316                 case "$host" in
 317                         dnl Snow Leopard and newer config.guess reports as this
 318                         i*86-*-darwin*)
 319                                 BROKEN_DARWIN_FLAGS="-arch i386 -D_XOPEN_SOURCE"
 320                                 BROKEN_DARWIN_CPPFLAGS="-D_XOPEN_SOURCE"
 321                                 CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
 322                                 CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
 323                                 CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
 324                                 CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
 325                                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
 326                                 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
 327                                 CPPFLAGS_FOR_EGLIB="$CPPFLAGS_FOR_EGLIB $BROKEN_DARWIN_CPPFLAGS"
 328                                 CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB $BROKEN_DARWIN_FLAGS"
 329                                 ;;
 330                         x*64-*-darwin*)
 331                                 ;;
 332                         arm*-darwin*)
 333                                 has_dtrace=no
 334                                 ;;
 335                 esac
 336                 ;;
 337         *-*-haiku*)
 338                 host_win32=no
 339                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_THREAD_SAFE"
 340                 libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
 341                 libdl=
 342                 LIBS="$LIBS -lnetwork"
 343                 need_link_unlink=yes
 344                 AC_DEFINE(PTHREAD_POINTER_ID)
 345                 libgc_threads=pthreads
 346                 use_sigposix=yes
 347                 ;;
 348         *)
 349                 AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 350                 host_win32=no
 351                 libdl="-ldl"
 352                 ;;
 353 esac
 354 AC_MSG_RESULT(ok)
 355
 356 if test x$need_link_unlink = xyes; then
 357    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 358 fi
 359
 360 AC_SUBST(extra_runtime_ldflags)
 361 AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
 362 AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 363 AM_CONDITIONAL(PLATFORM_GNU, echo x$target_os | grep -q -- -gnu)
 364 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 365 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 366 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
 367 AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 368
 369 AC_CHECK_TOOL(CC, gcc, gcc)
 370 AC_PROG_CC
 371 AC_CHECK_TOOL(CXX, g++, g++)
 372 AC_PROG_CXX
 373 AM_PROG_AS
 374 AC_PROG_INSTALL
 375 AC_PROG_AWK
 376 AM_PROG_CC_C_O
 377 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 378 : ${CCAS='$(CC)'}
 379 # Set ASFLAGS if not already set.
 380 : ${CCASFLAGS='$(CFLAGS)'}
 381 AC_SUBST(CCAS)
 382 AC_SUBST(CCASFLAGS)
 383
 384 # AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
 385 # GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
 386 if test "x$CXX" = "xg++"; then
 387         if test "x$GXX" != "xyes"; then
 388                 # automake/libtool is so broken, it requires g++ even if the c++ sources
 389                 # are inside automake conditionals
 390                 AC_MSG_ERROR([You need to install g++])
 391         fi
 392 fi
 393
 394 dnl may require a specific autoconf version
 395 dnl AC_PROG_CC_FOR_BUILD
 396 dnl CC_FOR_BUILD not automatically detected
 397 CC_FOR_BUILD=$CC
 398 CFLAGS_FOR_BUILD=$CFLAGS
 399 BUILD_EXEEXT=
 400 if test "x$cross_compiling" = "xyes"; then
 401         CC_FOR_BUILD=cc
 402         CFLAGS_FOR_BUILD=
 403         BUILD_EXEEXT=""
 404 fi
 405 AC_SUBST(CC_FOR_BUILD)
 406 AC_SUBST(CFLAGS_FOR_BUILD)
 407 AC_SUBST(HOST_CC)
 408 AC_SUBST(BUILD_EXEEXT)
 409
 410 AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
 411 AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
 412
 413 # Set STDC_HEADERS
 414 AC_HEADER_STDC
 415 AC_LIBTOOL_WIN32_DLL
 416 # This causes monodis to not link correctly
 417 #AC_DISABLE_FAST_INSTALL
 418 AM_PROG_LIBTOOL
 419 # Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
 420 DOLT
 421
 422 export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 423 AC_SUBST(export_ldflags)
 424
 425 # Test whenever ld supports -version-script
 426 AC_PROG_LD
 427 AC_PROG_LD_GNU
 428
 429 AM_ICONV()
 430
 431 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)
 432 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)
 433 AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
 434                   [], [], [#include <stddef.h>
 435                   #include <sys/socket.h>
 436                   #include <linux/socket.h>])
 437
 438 AC_CHECK_HEADERS(sys/user.h, [], [],
 439 [
 440 #ifdef HAVE_SYS_PARAM_H
 441 # include <sys/param.h>
 442 #endif
 443 ])
 444
 445 AC_CHECK_HEADERS(linux/serial.h)
 446
 447 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 448 if test x$have_zlib = xyes; then
 449    AC_TRY_COMPILE([#include <zlib.h>], [
 450    #if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
 451    return 0;
 452    #else
 453    #error No good zlib found
 454    #endif
 455    ],[
 456         AC_MSG_RESULT(Using system zlib)
 457         zlib_msg="system zlib"
 458         AC_DEFINE(HAVE_SYS_ZLIB,1,[Have system zlib])
 459    ],[
 460         AC_MSG_RESULT(Using embedded zlib)
 461         have_zlib=no
 462         zlib_msg="bundled zlib"
 463    ])
 464 fi
 465
 466 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 467 AC_DEFINE(HAVE_ZLIB,1,[Have system zlib])
 468
 469 # for mono/metadata/debug-symfile.c
 470 AC_CHECK_HEADERS(elf.h)
 471
 472 # for support
 473 AC_CHECK_HEADERS(poll.h)
 474 AC_CHECK_HEADERS(sys/poll.h)
 475 AC_CHECK_HEADERS(sys/wait.h)
 476 AC_CHECK_HEADERS(grp.h)
 477 AC_CHECK_HEADERS(syslog.h)
 478
 479 # for mono/dis
 480 AC_CHECK_HEADERS(wchar.h)
 481 AC_CHECK_HEADERS(ieeefp.h)
 482 AC_MSG_CHECKING(for isinf)
 483 AC_TRY_LINK([#include <math.h>], [
 484         int f = isinf (1.0);
 485 ], [
 486         AC_MSG_RESULT(yes)
 487         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 488 ], [
 489         # We'll have to use signals
 490         AC_MSG_RESULT(no)
 491 ])
 492 # mingw
 493 AC_CHECK_FUNCS(_finite, , AC_MSG_CHECKING(for _finite in math.h)
 494         AC_TRY_LINK([#include <math.h>],
 495         [ _finite(0.0); ],
 496         AC_DEFINE(HAVE__FINITE, 1, [Have _finite in -lm]) AC_MSG_RESULT(yes),
 497         AC_MSG_RESULT(no)))
 498
 499 # for Linux statfs support
 500 AC_CHECK_HEADERS(linux/magic.h)
 501
 502 # not 64 bit clean in cross-compile
 503 AC_CHECK_SIZEOF(void *, 4)
 504
 505 AC_CACHE_CHECK([for clang],
 506         mono_cv_clang,[
 507         AC_TRY_COMPILE([], [
 508                 #ifdef __clang__
 509                 #else
 510                 #error "FAILED"
 511                 #endif
 512                 return 0;
 513         ],
 514         [mono_cv_clang=yes],
 515         [mono_cv_clang=no],
 516         [])
 517 ])
 518
 519 AC_ARG_ENABLE(visiblity-hidden,
 520 [  --disable-visibility-hidden    disable usage of -fvisiblity=hidden]
 521    disable_visibility_hidden=no, disable_visibility_hidden=yes)
 522
 523 WARN=''
 524 if test x"$GCC" = xyes; then
 525         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value'
 526
 527                 # We require C99 with some GNU extensions, e.g. `linux` macro
 528                 CFLAGS="$CFLAGS -std=gnu99"
 529
 530                 # The runtime code does not respect ANSI C strict aliasing rules
 531                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 532
 533                 # We rely on signed overflow to behave
 534                 CFLAGS="$CFLAGS -fwrapv"
 535
 536                 CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
 537                 if test x"$disable_visibility_hidden" = xno; then
 538                    # Don't export any symbols by default
 539                    SHARED_CFLAGS="-fvisibility=hidden"
 540                    CFLAGS_FOR_EGLIB="$CFLAGS_FOR_EGLIB -fvisibility=hidden"
 541                    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
 542                 fi
 543
 544                 ORIG_CFLAGS=$CFLAGS
 545                 # Check for the normal version, since gcc ignores unknown -Wno options
 546                 CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
 547                 AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
 548                 AC_TRY_COMPILE([],[
 549                                 return 0;
 550                 ], [
 551                    AC_MSG_RESULT(yes)
 552                    CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
 553                 ], [
 554                    AC_MSG_RESULT(no)
 555                    CFLAGS=$ORIG_CFLAGS
 556                 ])
 557
 558                 if test "x$mono_cv_clang" = "xyes"; then
 559                    # https://bugzilla.samba.org/show_bug.cgi?id=8118
 560                    WARN="$WARN -Qunused-arguments"
 561                    WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign"
 562                 fi
 563 else
 564         # The Sun Forte compiler complains about inline functions that access static variables
 565         # so disable all inlining.
 566         case "$host" in
 567         *-*-solaris*)
 568                 CFLAGS="$CFLAGS -Dinline="
 569                 ;;
 570         esac
 571 fi
 572 CFLAGS="$CFLAGS -g $WARN"
 573 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 574 CPPFLAGS="$CPPFLAGS -g $WARN"
 575
 576 # Where's the 'mcs' source tree?
 577 if test -d $srcdir/mcs; then
 578   mcsdir=mcs
 579 else
 580   mcsdir=../mcs
 581 fi
 582
 583 AC_ARG_WITH(mcs-path, [  --with-mcs-path=/path/to/mcs      Specify an alternate mcs source tree],
 584         if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
 585                 mcsdir=$with_mcs_path
 586         fi
 587 )
 588
 589 AC_ARG_WITH(jumptables, [  --with-jumptables=yes,no      enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
 590
 591 #
 592 # A sanity check to catch cases where the package was unpacked
 593 # with an ancient tar program (Solaris)
 594 #
 595 AC_ARG_ENABLE(solaris-tar-check,
 596 [  --disable-solaris-tar-check    disable solaris tar check],
 597    do_solaris_tar_check=no, do_solaris_tar_check=yes)
 598
 599 if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
 600         AC_MSG_CHECKING(integrity of package)
 601         if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
 602         then
 603                 AC_MSG_RESULT(ok)
 604         else
 605                 errorm="Your mono distribution is incomplete;  if unpacking from a tar file, make sure you use GNU tar;  see http://www.mono-project.com/IncompletePackage for more details"
 606                 AC_MSG_ERROR([$errorm])
 607         fi
 608 fi
 609
 610 if test "x$with_mcs_path" != "x"; then
 611 mcs_topdir=$(cd "$mcsdir" && pwd)
 612 mcs_topdir_from_srcdir=$mcs_topdir
 613 else
 614 mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
 615 mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
 616 fi
 617
 618 # Convert mcs_topdir* paths to Windows syntax.
 619 if test x$cross_compiling$host_win32 = xnoyes; then
 620   mcs_topdir=$(cygpath -m $mcs_topdir)
 621   case $mcs_topdir_from_srcdir in
 622     /cygdrive/*)
 623         mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
 624         ;;
 625   esac
 626 fi
 627
 628 AC_SUBST([mcs_topdir])
 629 AC_SUBST([mcs_topdir_from_srcdir])
 630
 631 # gettext: prepare the translation directories.
 632 # we do not configure the full gettext, as we consume it dynamically from C#
 633 AM_PO_SUBDIRS
 634
 635 if test "x$USE_NLS" = "xyes"; then
 636    AC_CHECK_PROG(HAVE_MSGFMT, msgfmt,yes,no)
 637
 638    if test "x$HAVE_MSGFMT" = "xno"; then
 639           AC_MSG_ERROR([msgfmt not found. You need to install the 'gettext' package, or pass --enable-nls=no to configure.])
 640    fi
 641 fi
 642
 643 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 644
 645 pkg_config_path=
 646 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir      Change pkg-config dir to custom dir],
 647         if test x$with_crosspkgdir = "x"; then
 648                 if test -s $PKG_CONFIG_PATH; then
 649                         pkg_config_path=$PKG_CONFIG_PATH
 650                 fi
 651         else
 652                 pkg_config_path=$with_crosspkgdir
 653                 PKG_CONFIG_PATH=$pkg_config_path
 654                 export PKG_CONFIG_PATH
 655         fi
 656 )
 657
 658 AC_ARG_ENABLE(werror, [  --enable-werror Pass -Werror to the C compiler], werror_flag=$enableval, werror_flag=no)
 659 if test x$werror_flag = xyes; then
 660         WERROR_CFLAGS="-Werror"
 661 fi
 662 AC_SUBST([WERROR_CFLAGS])
 663 AC_SUBST([SHARED_CFLAGS])
 664
 665 ac_configure_args="$ac_configure_args \"CPPFLAGS_FOR_EGLIB=$EGLIB_CPPFLAGS\" \"CFLAGS_FOR_EGLIB=$CFLAGS_FOR_EGLIB\""
 666 AC_CONFIG_SUBDIRS(eglib)
 667
 668 GLIB_CFLAGS='-I$(top_srcdir)/eglib/src -I$(top_builddir)/eglib/src'
 669 GLIB_LIBS='-L$(top_builddir)/eglib/src -leglib -lm'
 670 BUILD_GLIB_CFLAGS="$GLIB_CFLAGS"
 671 BUILD_GLIB_LIBS="$GLIB_LIBS"
 672 GMODULE_CFLAGS="$GLIB_CFLAGS"
 673 GMODULE_LIBS="$GLIB_LIBS"
 674
 675 AC_SUBST(GLIB_CFLAGS)
 676 AC_SUBST(GLIB_LIBS)
 677 AC_SUBST(GMODULE_CFLAGS)
 678 AC_SUBST(GMODULE_LIBS)
 679 AC_SUBST(BUILD_GLIB_CFLAGS)
 680 AC_SUBST(BUILD_GLIB_LIBS)
 681
 682 # Enable support for fast thread-local storage
 683 # Some systems have broken support, so we allow to disable it.
 684 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread    select Thread Local Storage implementation (defaults to __thread)],[],[with_tls=__thread])
 685
 686 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 687 # This does not work on some platforms (bug #55253)
 688 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack (defaults to yes)],[],[with_sigaltstack=yes])
 689
 690 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster) (defaults to yes)],[],[with_static_mono=yes])
 691 AC_ARG_WITH(shared_mono, [  --with-shared_mono=yes,no      build a shared libmono library (defaults to yes)],[],[with_shared_mono=yes])
 692 # Same as --with-shared_mono=no
 693 AC_ARG_ENABLE(libraries, [  --disable-libraries disable the build of libmono], enable_libraries=$enableval, enable_libraries=yes)
 694
 695 if test "x$enable_static" = "xno"; then
 696    with_static_mono=no
 697 fi
 698
 699 if test "x$enable_shared" = "xno"; then
 700    with_shared_mono=no
 701 fi
 702
 703 if test "x$enable_libraries" = "xno"; then
 704    with_shared_mono=no
 705 fi
 706
 707 AM_CONDITIONAL(DISABLE_LIBRARIES, test x$enable_libraries = xno)
 708
 709 case $host in
 710 *nacl* ) with_shared_mono=yes;;
 711 esac
 712
 713 if test "x$host_win32" = "xyes"; then
 714    # Boehm GC requires the runtime to be in its own dll
 715    with_static_mono=no
 716 fi
 717
 718 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 719 AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 720 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 721
 722 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
 723 if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 724         AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 725         ORIG_CFLAGS=$CFLAGS
 726         CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 727         AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 728         AC_TRY_COMPILE([], [
 729                 return 0;
 730         ], [
 731            AC_MSG_RESULT(yes)
 732            # Pass it to libgc as well
 733            CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -mno-tls-direct-seg-refs"
 734         ], [
 735            AC_MSG_RESULT(no)
 736            CFLAGS=$ORIG_CFLAGS
 737         ])
 738 fi
 739
 740 AC_ARG_ENABLE(small-config, [  --enable-small-config Enable tweaks to reduce requirements (and capabilities)], enable_small_config=$enableval, enable_small_config=no)
 741
 742 if test x$enable_small_config = xyes; then
 743         AC_DEFINE(MONO_SMALL_CONFIG,1,[Reduce runtime requirements (and capabilities)])
 744         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DSMALL_CONFIG"
 745 fi
 746
 747 AC_ARG_ENABLE(system-aot, [  --enable-system-aot  Enable the Ahead-Of-Time compilation of system assemblies during the build (on by default on some platforms)], enable_system_aot=$enableval, enable_system_aot=default)
 748
 749 DISABLED_FEATURES=none
 750
 751 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 752      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, appdomains, verifier,
 753      reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, perfcounters, normalization, assembly_remapping, shared_perfcounters, remoting,
 754          security, sgen_remset, sgen_marksweep_par, sgen_marksweep_fixed, sgen_marksweep_fixed_par, sgen_copying, shared_handles.],
 755 [
 756         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 757                 eval "mono_feature_disable_$feature='yes'"
 758         done
 759         DISABLED_FEATURES=$enable_minimal
 760         disabled="Disabled:      $enable_minimal"
 761 ],[])
 762
 763 AC_DEFINE_UNQUOTED(DISABLED_FEATURES, "$DISABLED_FEATURES", [String of disabled features])
 764
 765 if test "x$mono_feature_disable_aot" = "xyes"; then
 766         AC_DEFINE(DISABLE_AOT_COMPILER, 1, [Disable AOT Compiler])
 767         AC_MSG_NOTICE([Disabled AOT compiler])
 768 fi
 769
 770 if test "x$mono_feature_disable_profiler" = "xyes"; then
 771         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 772         AC_MSG_NOTICE([Disabled support for the profiler])
 773 fi
 774 AM_CONDITIONAL(DISABLE_PROFILER, test x$mono_feature_disable_profiler = xyes)
 775
 776 if test "x$mono_feature_disable_decimal" = "xyes"; then
 777         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 778         AC_MSG_NOTICE([Disabled support for decimal])
 779 fi
 780
 781 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 782         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 783         AC_MSG_NOTICE([Disabled support for P/Invoke])
 784 fi
 785
 786 if test "x$mono_feature_disable_debug" = "xyes"; then
 787         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 788         AC_MSG_NOTICE([Disabled support for runtime debugging])
 789 fi
 790
 791 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 792         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 793         mono_feature_disable_reflection_emit_save=yes
 794         AC_MSG_NOTICE([Disabled support for Reflection.Emit])
 795 fi
 796
 797 if test "x$mono_feature_disable_reflection_emit_save" = "xyes"; then
 798         AC_DEFINE(DISABLE_REFLECTION_EMIT_SAVE, 1, [Disable assembly saving support in reflection emit])
 799         AC_MSG_NOTICE([Disabled support for Reflection.Emit.Save])
 800 fi
 801
 802 if test "x$mono_feature_disable_large_code" = "xyes"; then
 803         AC_DEFINE(DISABLE_LARGE_CODE, 1, [Disable support for huge assemblies])
 804         AC_MSG_NOTICE([Disabled support for large assemblies])
 805 fi
 806
 807 if test "x$mono_feature_disable_logging" = "xyes"; then
 808         AC_DEFINE(DISABLE_LOGGING, 1, [Disable support debug logging])
 809         AC_MSG_NOTICE([Disabled support for logging])
 810 fi
 811
 812 if test "x$mono_feature_disable_com" = "xyes"; then
 813         AC_DEFINE(DISABLE_COM, 1, [Disable COM support])
 814         AC_MSG_NOTICE([Disabled COM support])
 815 fi
 816
 817 if test "x$mono_feature_disable_ssa" = "xyes"; then
 818         AC_DEFINE(DISABLE_SSA, 1, [Disable advanced SSA JIT optimizations])
 819         AC_MSG_NOTICE([Disabled SSA JIT optimizations])
 820 fi
 821
 822 if test "x$mono_feature_disable_generics" = "xyes"; then
 823         AC_DEFINE(DISABLE_GENERICS, 1, [Disable generics support])
 824         AC_MSG_NOTICE([Disabled Generics Support])
 825 fi
 826
 827 if test "x$mono_feature_disable_shadowcopy" = "xyes"; then
 828         AC_DEFINE(DISABLE_SHADOW_COPY, 1, [Disable Shadow Copy for AppDomains])
 829         AC_MSG_NOTICE([Disabled Shadow copy for AppDomains])
 830 fi
 831
 832 if test "x$mono_feature_disable_portability" = "xyes"; then
 833         AC_DEFINE(DISABLE_PORTABILITY, 1, [Disables the IO portability layer])
 834         AC_MSG_NOTICE([Disabled IO Portability layer])
 835 fi
 836
 837 if test "x$mono_feature_disable_attach" = "xyes"; then
 838         AC_DEFINE(DISABLE_ATTACH, 1, [Disable agent attach support])
 839         AC_MSG_NOTICE([Disabled agent attach])
 840 fi
 841
 842 if test "x$mono_feature_disable_full_messages" = "xyes"; then
 843         AC_DEFINE(DISABLE_FULL_MESSAGES, 1, [Disables building in the full table of WAPI messages])
 844         AC_MSG_NOTICE([Disabled full messages for Win32 errors, only core message strings shipped])
 845 fi
 846
 847 if test "x$mono_feature_disable_verifier" = "xyes"; then
 848         AC_DEFINE(DISABLE_VERIFIER, 1, [Disables the verifier])
 849         AC_MSG_NOTICE([Disabled the metadata and IL verifiers])
 850 fi
 851
 852 if test "x$mono_feature_disable_jit" = "xyes"; then
 853         AC_DEFINE(DISABLE_JIT, 1, [Disable the JIT, only full-aot mode will be supported by the runtime.])
 854         AC_MSG_NOTICE([Disabled the JIT engine, only full AOT will be supported])
 855 fi
 856
 857 AM_CONDITIONAL(DISABLE_JIT, test x$mono_feature_disable_jit = xyes)
 858
 859 if test "x$mono_feature_disable_simd" = "xyes"; then
 860         AC_DEFINE(DISABLE_SIMD, 1, [Disable SIMD intrinsics related optimizations.])
 861         AC_MSG_NOTICE([Disabled SIMD support])
 862 fi
 863
 864 if test "x$mono_feature_disable_soft_debug" = "xyes"; then
 865         AC_DEFINE(DISABLE_SOFT_DEBUG, 1, [Disable Soft Debugger Agent.])
 866         AC_MSG_NOTICE([Disabled Soft Debugger.])
 867 fi
 868
 869 if test "x$mono_feature_disable_perfcounters" = "xyes"; then
 870         AC_DEFINE(DISABLE_PERFCOUNTERS, 1, [Disable Performance Counters.])
 871         AC_MSG_NOTICE([Disabled Performance Counters.])
 872 fi
 873 if test "x$mono_feature_disable_normalization" = "xyes"; then
 874         AC_DEFINE(DISABLE_NORMALIZATION, 1, [Disable String normalization support.])
 875         AC_MSG_NOTICE([Disabled String normalization support.])
 876 fi
 877
 878 if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 879         AC_DEFINE(DISABLE_ASSEMBLY_REMAPPING, 1, [Disable assembly remapping.])
 880         AC_MSG_NOTICE([Disabled Assembly remapping.])
 881 fi
 882
 883 if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
 884         AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
 885         AC_MSG_NOTICE([Disabled Shared perfcounters.])
 886 fi
 887
 888 if test "x$mono_feature_disable_appdomains" = "xyes"; then
 889         AC_DEFINE(DISABLE_APPDOMAINS, 1, [Disable support for multiple appdomains.])
 890         AC_MSG_NOTICE([Disabled support for multiple appdomains.])
 891 fi
 892
 893 if test "x$mono_feature_disable_remoting" = "xyes"; then
 894         AC_DEFINE(DISABLE_REMOTING, 1, [Disable remoting support (This disables type proxies and make com non-functional)])
 895         AC_MSG_NOTICE([Disabled remoting])
 896 fi
 897
 898 if test "x$mono_feature_disable_security" = "xyes"; then
 899         AC_DEFINE(DISABLE_SECURITY, 1, [Disable CAS/CoreCLR security])
 900         AC_MSG_NOTICE([Disabled CAS/CoreCLR security manager (used e.g. for Moonlight)])
 901 fi
 902
 903 if test "x$mono_feature_disable_sgen_remset" = "xyes"; then
 904         AC_DEFINE(DISABLE_SGEN_REMSET, 1, [Disable wbarrier=remset support in SGEN.])
 905         AC_MSG_NOTICE([Disabled wbarrier=remset support in SGEN.])
 906 fi
 907
 908 if test "x$mono_feature_disable_sgen_marksweep_par" = "xyes"; then
 909         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_PAR, 1, [Disable major=marksweep-par support in SGEN.])
 910         AC_MSG_NOTICE([Disabled major=marksweep-par support in SGEN.])
 911 fi
 912
 913 if test "x$mono_feature_disable_sgen_marksweep_fixed" = "xyes"; then
 914         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED, 1, [Disable major=marksweep-fixed support in SGEN.])
 915         AC_MSG_NOTICE([Disabled major=marksweep-fixed support in SGEN.])
 916 fi
 917
 918 if test "x$mono_feature_disable_sgen_marksweep_fixed_par" = "xyes"; then
 919         AC_DEFINE(DISABLE_SGEN_MAJOR_MARKSWEEP_FIXED_PAR, 1, [Disable major=marksweep-fixed-par support in SGEN.])
 920         AC_MSG_NOTICE([Disabled major=marksweep-fixed-par support in SGEN.])
 921 fi
 922
 923 if test "x$mono_feature_disable_sgen_copying" = "xyes"; then
 924         AC_DEFINE(DISABLE_SGEN_MAJOR_COPYING, 1, [Disable major=copying support in SGEN.])
 925         AC_MSG_NOTICE([Disabled major=copying support in SGEN.])
 926 fi
 927
 928 if test "x$mono_feature_disable_shared_handles" = "xyes"; then
 929         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
 930         AC_SUBST(DISABLE_SHARED_HANDLES)
 931 fi
 932
 933 AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
 934 AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
 935
 936 has_extension_module=no
 937 AC_ARG_ENABLE(extension-module, [  --enable-extension-module=LIST enable the core-extensions from LIST],
 938 [
 939         for extension in `echo "$enable_extension_module" | sed -e "s/,/ /g"`; do
 940                 if test x$extension = xdefault ; then
 941                         has_extension_module=yes;
 942                 fi
 943         done
 944         if test x$enable_extension_module = xyes; then
 945                 has_extension_module=yes;
 946         fi
 947 ], [])
 948
 949 AM_CONDITIONAL([HAS_EXTENSION_MODULE], [test x$has_extension_module != xno])
 950
 951 if test x$has_extension_module != xno ; then
 952         AC_DEFINE([ENABLE_EXTENSION_MODULE], 1, [Extension module enabled])
 953         AC_MSG_NOTICE([Enabling mono extension module.])
 954 fi
 955
 956 AC_ARG_ENABLE(gsharing, [  --enable-gsharing Enable gsharing], enable_gsharing=$enableval, enable_gsharing=no)
 957 if test x$enable_gsharing = xyes; then
 958         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharing])
 959 fi
 960
 961 # A synonym
 962 AC_ARG_ENABLE(gsharedvt, [  --enable-gsharedvt Enable generic valuetype sharing], enable_gsharedvt=$enableval, enable_gsharedvt=no)
 963 if test x$enable_gsharedvt = xyes; then
 964         AC_DEFINE(ENABLE_GSHAREDVT,1,[Gsharedvt])
 965 fi
 966
 967 AC_ARG_ENABLE(native-types, [  --enable-native-types Enable native types], enable_native_types=$enableval, enable_native_types=no)
 968 if test x$enable_native_types = xyes; then
 969         AC_DEFINE(MONO_NATIVE_TYPES,1,[native types])
 970 fi
 971
 972 AC_MSG_CHECKING(for visibility __attribute__)
 973 AC_COMPILE_IFELSE([
 974         AC_LANG_SOURCE([[
 975                 void __attribute__ ((visibility ("hidden"))) doit (void) {}
 976                 int main () { doit (); return 0; }
 977         ]])
 978 ], [
 979    have_visibility_hidden=yes
 980    AC_MSG_RESULT(yes)
 981 ], [
 982    have_visibility_hidden=no
 983    AC_MSG_RESULT(no)
 984 ])
 985
 986 AC_MSG_CHECKING(for deprecated __attribute__)
 987 AC_TRY_COMPILE([
 988      int doit (void) __attribute__ ((deprecated));
 989      int doit (void) { return 0; }
 990 ], [
 991         return 0;
 992 ], [
 993    have_deprecated=yes
 994    AC_MSG_RESULT(yes)
 995 ], [
 996    have_deprecated=no
 997    AC_MSG_RESULT(no)
 998 ])
 999
1000 dnl
1001 dnl Boehm GC configuration
1002 dnl
1003
1004 AC_ARG_WITH(libgc,   [  --with-gc=boehm,included,none  Controls the Boehm GC config, default=included],[libgc=$with_gc],[libgc=$libgc_default])
1005
1006 AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
1007 AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
1008
1009 AC_ARG_ENABLE(parallel-mark, [  --enable-parallel-mark     Enables GC Parallel Marking], enable_parallel_mark=$enableval, enable_parallel_mark=$parallel_mark)
1010 if test x$enable_parallel_mark = xyes; then
1011         libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
1012 fi
1013
1014 gc_headers=no
1015 gc_msg=""
1016 use_included_gc=no
1017 LIBGC_CPPFLAGS=
1018 LIBGC_LIBS=
1019 LIBGC_STATIC_LIBS=
1020 libgc_dir=
1021 case "x$libgc" in
1022         xboehm|xbohem|xyes)
1023                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
1024                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
1025
1026                 if test "x$found_boehm" != "xyes"; then
1027                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
1028                 fi
1029                 if test "x$gc_headers" != "xyes"; then
1030                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
1031                 fi
1032
1033                 LIBGC_LIBS="-lgc $libdl"
1034                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
1035                 libmono_ldflags="$libmono_ldflags -lgc"
1036                 BOEHM_DEFINES="-DHAVE_BOEHM_GC"
1037
1038                 # AC_CHECK_FUNCS does not work for some reason...
1039                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
1040                 if test "x$found_gcj_malloc" = "xyes"; then
1041                         BOEHM_DEFINES="-DHAVE_GC_GCJ_MALLOC $BOEHM_DEFINES"
1042                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (with typed GC)", [GC description])
1043                         gc_msg="System Boehm with typed GC"
1044                 else
1045                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "System Boehm (no typed GC)", [GC description])
1046                         gc_msg="System Boehm (without typed GC)"
1047                 fi
1048                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
1049                 if test "x$found_gc_enable" = "xyes"; then
1050                         BOEHM_DEFINES="-DHAVE_GC_ENABLE $BOEHM_DEFINES"
1051                 fi
1052
1053                 # check whether we need to explicitly allow
1054                 # thread registering
1055                 AC_CHECK_LIB(gc, GC_allow_register_threads, found_allow_register_threads="yes",,$libdl)
1056                 if test "x$found_allow_register_threads" = "xyes"; then
1057                    AC_DEFINE(HAVE_GC_ALLOW_REGISTER_THREADS, 1, [GC requires thread registration])
1058                 fi
1059                 ;;
1060
1061         xincluded)
1062                 use_included_gc=yes
1063                 if test "x$support_boehm" = "xyes"; then
1064                         libgc_dir=libgc
1065                 fi
1066
1067                 LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
1068                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
1069                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
1070
1071                 BOEHM_DEFINES="-DHAVE_BOEHM_GC -DHAVE_GC_H -DUSE_INCLUDED_LIBGC -DHAVE_GC_GCJ_MALLOC -DHAVE_GC_ENABLE"
1072
1073                 if test x$target_win32 = xyes; then
1074                         BOEHM_DEFINES="$BOEHM_DEFINES -DGC_NOT_DLL"
1075                         CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DGC_BUILD -DGC_NOT_DLL"
1076                 fi
1077
1078                 gc_msg="Included Boehm GC with typed GC"
1079                 if test x$enable_parallel_mark = xyes; then
1080                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC and Parallel Mark)", [GC description])
1081                         gc_msg="$gc_msg and parallel mark"
1082                 else
1083                         AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "Included Boehm (with typed GC)", [GC description])
1084                 fi
1085                 ;;
1086
1087         xsgen)
1088                 AC_MSG_WARN("Use --with-sgen instead, --with-gc= controls Boehm configuration")
1089                 ;;
1090
1091         xnone)
1092                 AC_MSG_WARN("Compiling mono without GC.")
1093                 AC_DEFINE_UNQUOTED(DEFAULT_GC_NAME, "none", [GC description])
1094                 AC_DEFINE(HAVE_NULL_GC,1,[No GC support.])
1095                 gc_msg="none"
1096                 ;;
1097         *)
1098                 AC_MSG_ERROR([Invalid argument to --with-gc.])
1099                 ;;
1100 esac
1101
1102 AC_ARG_WITH(large-heap, [  --with-large-heap=yes,no       Enable support for GC heaps larger than 3GB (defaults to no)], [large_heap=$withval], [large_heap=no])
1103 if test "x$large_heap" = "xyes"; then
1104    CPPFLAGS="$CPPFLAGS -DLARGE_CONFIG"
1105 fi
1106
1107 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
1108 AC_SUBST(LIBGC_CPPFLAGS)
1109 AC_SUBST(LIBGC_LIBS)
1110 AC_SUBST(LIBGC_STATIC_LIBS)
1111 AC_SUBST(libgc_dir)
1112 AC_SUBST(BOEHM_DEFINES)
1113
1114 dnl
1115 dnl End of Boehm GC Configuration
1116 dnl
1117
1118 dnl *************************************
1119 dnl *** Checks for zero length arrays ***
1120 dnl *************************************
1121 AC_MSG_CHECKING(whether $CC supports zero length arrays)
1122 AC_TRY_COMPILE([
1123         struct s {
1124                 int  length;
1125                 char data [0];
1126         };
1127 ], [], [
1128         AC_MSG_RESULT(yes)
1129         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 0, [Length of zero length arrays])
1130 ], [
1131         AC_MSG_RESULT(no)
1132         AC_DEFINE_UNQUOTED(MONO_ZERO_LEN_ARRAY, 1, [Length of zero length arrays])
1133 ])
1134
1135 AC_CHECK_HEADERS(nacl/nacl_dyncode.h)
1136
1137 dnl ***********************************
1138 dnl *** Checks for signals
1139 dnl ***********************************
1140 AC_CHECK_HEADERS(signal.h)
1141 AC_CHECK_FUNCS(sigaction)
1142
1143 if test x$target_win32 = xno; then
1144
1145         dnl hires monotonic clock support
1146         AC_SEARCH_LIBS(clock_gettime, rt)
1147
1148         dnl dynamic loader support
1149         AC_CHECK_FUNC(dlopen, DL_LIB="",
1150                 AC_CHECK_LIB(dl, dlopen, DL_LIB="-ldl", dl_support=no)
1151         )
1152         if test x$dl_support = xno; then
1153                 AC_MSG_WARN([No dynamic loading support available])
1154         else
1155                 LIBS="$LIBS $DL_LIB"
1156                 AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
1157                 dnl from glib's configure.ac
1158                 AC_CACHE_CHECK([for preceeding underscore in symbols],
1159                         mono_cv_uscore,[
1160                         AC_TRY_RUN([#include <dlfcn.h>
1161                         int mono_underscore_test (void) { return 42; }
1162                         int main() {
1163                           void *f1 = (void*)0, *f2 = (void*)0, *handle;
1164                           handle = dlopen ((void*)0, 0);
1165                           if (handle) {
1166                             f1 = dlsym (handle, "mono_underscore_test");
1167                             f2 = dlsym (handle, "_mono_underscore_test");
1168                           } return (!f2 || f1);
1169                         }],
1170                                 [mono_cv_uscore=yes],
1171                                 [mono_cv_uscore=no],
1172                         [])
1173                 ])
1174                 if test "x$mono_cv_uscore" = "xyes"; then
1175                         MONO_DL_NEED_USCORE=1
1176                 else
1177                         MONO_DL_NEED_USCORE=0
1178                 fi
1179                 AC_SUBST(MONO_DL_NEED_USCORE)
1180                 AC_CHECK_FUNC(dlerror)
1181         fi
1182
1183         dnl ******************************************************************
1184         dnl *** Checks for the IKVM JNI interface library                  ***
1185         dnl ******************************************************************
1186         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])
1187
1188         ikvm_native_dir=
1189         if test x$with_ikvm_native = xyes; then
1190                 ikvm_native_dir=ikvm-native
1191                 jdk_headers_found="IKVM Native"
1192         fi
1193
1194         AC_SUBST(ikvm_native_dir)
1195
1196         AC_CHECK_HEADERS(execinfo.h)
1197
1198         AC_CHECK_HEADERS(sys/auxv.h sys/resource.h)
1199
1200         AC_CHECK_FUNCS(getgrgid_r)
1201         AC_CHECK_FUNCS(getgrnam_r)
1202         AC_CHECK_FUNCS(getpwnam_r)
1203         AC_CHECK_FUNCS(getpwuid_r)
1204         AC_CHECK_FUNCS(getresuid)
1205         AC_CHECK_FUNCS(setresuid)
1206         AC_CHECK_FUNCS(kqueue)
1207         AC_CHECK_FUNCS(backtrace_symbols)
1208         AC_CHECK_FUNCS(mkstemp)
1209         AC_CHECK_FUNCS(mmap)
1210         AC_CHECK_FUNCS(madvise)
1211         AC_CHECK_FUNCS(getrusage)
1212         AC_CHECK_FUNCS(getpriority)
1213         AC_CHECK_FUNCS(setpriority)
1214         AC_CHECK_FUNCS(dl_iterate_phdr)
1215         AC_CHECK_FUNCS(dladdr)
1216         AC_CHECK_FUNCS(sysconf)
1217         AC_CHECK_FUNCS(getrlimit)
1218
1219         AC_CHECK_FUNCS(sched_setaffinity)
1220         AC_CHECK_FUNCS(sched_getcpu)
1221
1222         dnl ****************************************************************
1223         dnl *** Check for sched_setaffinity from glibc versions before   ***
1224         dnl *** 2.3.4. The older versions of the function only take 2    ***
1225         dnl *** parameters, not 3.                                       ***
1226         dnl ***                                                          ***
1227         dnl *** Because the interface change was not made in a minor     ***
1228         dnl *** version rev, the __GLIBC__ and __GLIBC_MINOR__ macros    ***
1229         dnl *** won't always indicate the interface sched_affinity has.  ***
1230         dnl ****************************************************************
1231         AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
1232         AC_TRY_COMPILE([#include <sched.h>], [
1233             int mask = 1;
1234             sched_setaffinity(0, &mask);
1235                         return 0;
1236         ], [
1237                 # Yes, we have it...
1238                 AC_MSG_RESULT(yes)
1239                 AC_DEFINE(GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY, 1, [Have GLIBC_BEFORE_2_3_4_SCHED_SETAFFINITY])
1240         ], [
1241                 # We have the new, three-parameter version
1242                 AC_MSG_RESULT(no)
1243         ])
1244
1245
1246         dnl ******************************************************************
1247         dnl *** Check for large file support                               ***
1248         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
1249         dnl ******************************************************************
1250
1251         # Check that off_t can represent 2**63 - 1 correctly, working around
1252         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
1253         # CPPFLAGS and sets $large_offt to yes if the test succeeds
1254         large_offt=no
1255         AC_DEFUN([LARGE_FILES], [
1256                 large_CPPFLAGS=$CPPFLAGS
1257                 CPPFLAGS="$CPPFLAGS $1"
1258                 AC_TRY_COMPILE([
1259                         #include <sys/types.h>
1260                         #include <limits.h>
1261                 ], [
1262                         /* Lifted this compile time assert method from: http://www.jaggersoft.com/pubs/CVu11_3.html */
1263                         #define COMPILE_TIME_ASSERT(pred) \
1264                                 switch(0){case 0:case pred:;}
1265                         COMPILE_TIME_ASSERT(sizeof(off_t) * CHAR_BIT == 64);
1266                 ], [
1267                         AC_MSG_RESULT(ok)
1268                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT, 1, [Have large file support])
1269                         large_CPPFLAGS="$large_CPPFLAGS $1"
1270                         large_offt=yes
1271                 ], [
1272                         AC_MSG_RESULT(no)
1273                 ])
1274                 CPPFLAGS=$large_CPPFLAGS
1275         ])
1276
1277         AC_MSG_CHECKING(if off_t is 64 bits wide)
1278         LARGE_FILES("")
1279         if test $large_offt = no; then
1280                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
1281                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
1282         fi
1283         if test $large_offt = no; then
1284                 AC_MSG_WARN([No 64 bit file size support available])
1285         fi
1286
1287         dnl *****************************
1288         dnl *** Checks for libsocket  ***
1289         dnl *****************************
1290         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
1291
1292         case "$host" in
1293                 *-*-*freebsd*)
1294                         dnl *****************************
1295                         dnl *** Checks for libinotify ***
1296                         dnl *****************************
1297                         AC_CHECK_LIB(inotify, inotify_init, LIBS="$LIBS -linotify")
1298         esac
1299
1300         dnl *******************************
1301         dnl *** Checks for MSG_NOSIGNAL ***
1302         dnl *******************************
1303         AC_MSG_CHECKING(for MSG_NOSIGNAL)
1304         AC_TRY_COMPILE([#include <sys/socket.h>], [
1305                 int f = MSG_NOSIGNAL;
1306         ], [
1307                 # Yes, we have it...
1308                 AC_MSG_RESULT(yes)
1309                 AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Have MSG_NOSIGNAL])
1310         ], [
1311                 # We'll have to use signals
1312                 AC_MSG_RESULT(no)
1313         ])
1314
1315         dnl *****************************
1316         dnl *** Checks for IPPROTO_IP ***
1317         dnl *****************************
1318         AC_MSG_CHECKING(for IPPROTO_IP)
1319         AC_TRY_COMPILE([#include <netinet/in.h>], [
1320                 int level = IPPROTO_IP;
1321         ], [
1322                 # Yes, we have it...
1323                 AC_MSG_RESULT(yes)
1324                 AC_DEFINE(HAVE_IPPROTO_IP, 1, [Have IPPROTO_IP])
1325         ], [
1326                 # We'll have to use getprotobyname
1327                 AC_MSG_RESULT(no)
1328         ])
1329
1330         dnl *******************************
1331         dnl *** Checks for IPPROTO_IPV6 ***
1332         dnl *******************************
1333         AC_MSG_CHECKING(for IPPROTO_IPV6)
1334         AC_TRY_COMPILE([#include <netinet/in.h>], [
1335                 int level = IPPROTO_IPV6;
1336         ], [
1337                 # Yes, we have it...
1338                 AC_MSG_RESULT(yes)
1339                 AC_DEFINE(HAVE_IPPROTO_IPV6, 1, [Have IPPROTO_IPV6])
1340         ], [
1341                 # We'll have to use getprotobyname
1342                 AC_MSG_RESULT(no)
1343         ])
1344
1345         dnl ******************************
1346         dnl *** Checks for IPPROTO_TCP ***
1347         dnl ******************************
1348         AC_MSG_CHECKING(for IPPROTO_TCP)
1349         AC_TRY_COMPILE([#include <netinet/in.h>], [
1350                 int level = IPPROTO_TCP;
1351         ], [
1352                 # Yes, we have it...
1353                 AC_MSG_RESULT(yes)
1354                 AC_DEFINE(HAVE_IPPROTO_TCP, 1, [Have IPPROTO_TCP])
1355         ], [
1356                 # We'll have to use getprotobyname
1357                 AC_MSG_RESULT(no)
1358         ])
1359
1360         dnl *****************************
1361         dnl *** Checks for SOL_IP     ***
1362         dnl *****************************
1363         AC_MSG_CHECKING(for SOL_IP)
1364         AC_TRY_COMPILE([#include <netdb.h>], [
1365                 int level = SOL_IP;
1366         ], [
1367                 # Yes, we have it...
1368                 AC_MSG_RESULT(yes)
1369                 AC_DEFINE(HAVE_SOL_IP, 1, [Have SOL_IP])
1370         ], [
1371                 # We'll have to use getprotobyname
1372                 AC_MSG_RESULT(no)
1373         ])
1374
1375         dnl *****************************
1376         dnl *** Checks for SOL_IPV6     ***
1377         dnl *****************************
1378         AC_MSG_CHECKING(for SOL_IPV6)
1379         AC_TRY_COMPILE([#include <netdb.h>], [
1380                 int level = SOL_IPV6;
1381         ], [
1382                 # Yes, we have it...
1383                 AC_MSG_RESULT(yes)
1384                 AC_DEFINE(HAVE_SOL_IPV6, 1, [Have SOL_IPV6])
1385         ], [
1386                 # We'll have to use getprotobyname
1387                 AC_MSG_RESULT(no)
1388         ])
1389
1390         dnl *****************************
1391         dnl *** Checks for SOL_TCP    ***
1392         dnl *****************************
1393         AC_MSG_CHECKING(for SOL_TCP)
1394         AC_TRY_COMPILE([#include <netdb.h>], [
1395                 int level = SOL_TCP;
1396         ], [
1397                 # Yes, we have it...
1398                 AC_MSG_RESULT(yes)
1399                 AC_DEFINE(HAVE_SOL_TCP, 1, [Have SOL_TCP])
1400         ], [
1401                 # We'll have to use getprotobyname
1402                 AC_MSG_RESULT(no)
1403         ])
1404
1405         dnl *****************************
1406         dnl *** Checks for IP_PKTINFO ***
1407         dnl *****************************
1408         AC_MSG_CHECKING(for IP_PKTINFO)
1409         AC_TRY_COMPILE([#include <linux/in.h>], [
1410                 int level = IP_PKTINFO;
1411         ], [
1412                 # Yes, we have it...
1413                 AC_MSG_RESULT(yes)
1414                 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1415         ], [
1416                 AC_MSG_RESULT(no)
1417         ])
1418
1419         dnl *****************************
1420         dnl *** Checks for IPV6_PKTINFO ***
1421         dnl *****************************
1422         AC_MSG_CHECKING(for IPV6_PKTINFO)
1423         AC_TRY_COMPILE([#include <netdb.h>], [
1424                 int level = IPV6_PKTINFO;
1425         ], [
1426                 # Yes, we have it...
1427                 AC_MSG_RESULT(yes)
1428                 AC_DEFINE(HAVE_IPV6_PKTINFO, 1, [Have IPV6_PKTINFO])
1429         ], [
1430                 AC_MSG_RESULT(no)
1431         ])
1432
1433         dnl **********************************
1434         dnl *** Checks for IP_DONTFRAG     ***
1435         dnl **********************************
1436         AC_MSG_CHECKING(for IP_DONTFRAG)
1437         AC_TRY_COMPILE([#include <netinet/in.h>], [
1438                 int level = IP_DONTFRAG;
1439         ], [
1440                 # Yes, we have it...
1441                 AC_MSG_RESULT(yes)
1442                 AC_DEFINE(HAVE_IP_DONTFRAG, 1, [Have IP_DONTFRAG])
1443         ], [
1444                 AC_MSG_RESULT(no)
1445         ])
1446
1447         dnl **********************************
1448         dnl *** Checks for IP_DONTFRAGMENT ***
1449         dnl **********************************
1450         AC_MSG_CHECKING(for IP_DONTFRAGMENT)
1451         AC_TRY_COMPILE([#include <Ws2ipdef.h>], [
1452                 int level = IP_DONTFRAGMENT;
1453         ], [
1454                 # Yes, we have it...
1455                 AC_MSG_RESULT(yes)
1456                 AC_DEFINE(HAVE_IP_DONTFRAGMENT, 1, [Have IP_DONTFRAGMENT])
1457         ], [
1458                 AC_MSG_RESULT(no)
1459         ])
1460
1461         dnl **********************************
1462         dnl *** Checks for IP_MTU_DISCOVER ***
1463         dnl **********************************
1464         AC_MSG_CHECKING(for IP_MTU_DISCOVER)
1465         AC_TRY_COMPILE([#include <linux/in.h>], [
1466                 int level = IP_MTU_DISCOVER;
1467         ], [
1468                 # Yes, we have it...
1469                 AC_MSG_RESULT(yes)
1470                 AC_DEFINE(HAVE_IP_MTU_DISCOVER, 1, [Have IP_MTU_DISCOVER])
1471         ], [
1472                 AC_MSG_RESULT(no)
1473         ])
1474
1475         dnl **********************************
1476         dnl *** Checks for  IP_PMTUDISC_DO ***
1477         dnl **********************************
1478         AC_MSG_CHECKING(for IP_PMTUDISC_DO)
1479         AC_TRY_COMPILE([#include <linux/in.h>], [
1480                 int level = IP_PMTUDISC_DO;
1481         ], [
1482                 # Yes, we have it...
1483                 AC_MSG_RESULT(yes)
1484                 AC_DEFINE(HAVE_IP_PMTUDISC_DO, 1, [Have IP_PMTUDISC_DO])
1485         ], [
1486                 AC_MSG_RESULT(no)
1487         ])
1488
1489         dnl *********************************
1490         dnl *** Check for struct ip_mreqn ***
1491         dnl *********************************
1492         AC_MSG_CHECKING(for struct ip_mreqn)
1493         AC_TRY_COMPILE([#include <netinet/in.h>], [
1494                 struct ip_mreqn mreq;
1495                 mreq.imr_address.s_addr = 0;
1496         ], [
1497                 # Yes, we have it...
1498                 AC_MSG_RESULT(yes)
1499                 AC_DEFINE(HAVE_STRUCT_IP_MREQN, 1, [Have struct ip_mreqn])
1500         ], [
1501                 # We'll just have to try and use struct ip_mreq
1502                 AC_MSG_RESULT(no)
1503                 AC_MSG_CHECKING(for struct ip_mreq)
1504                 AC_TRY_COMPILE([#include <netinet/in.h>], [
1505                         struct ip_mreq mreq;
1506                         mreq.imr_interface.s_addr = 0;
1507                 ], [
1508                         # Yes, we have it...
1509                         AC_MSG_RESULT(yes)
1510                         AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1, [Have struct ip_mreq])
1511                 ], [
1512                         # No multicast support
1513                         AC_MSG_RESULT(no)
1514                 ])
1515         ])
1516
1517         dnl **********************************
1518         dnl *** Check for getaddrinfo ***
1519         dnl **********************************
1520         AC_MSG_CHECKING(for getaddrinfo)
1521                 AC_TRY_LINK([
1522                 #include <stdio.h>
1523                 #include <netdb.h>
1524         ], [
1525                 getaddrinfo(NULL,NULL,NULL,NULL);
1526         ], [
1527                 # Yes, we have it...
1528                 AC_MSG_RESULT(yes)
1529                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
1530         ], [
1531                 AC_MSG_RESULT(no)
1532         ])
1533
1534         dnl **********************************
1535         dnl *** Check for gethostbyname2_r ***
1536         dnl **********************************
1537         AC_MSG_CHECKING(for gethostbyname2_r)
1538                 AC_TRY_LINK([
1539                 #include <stdio.h>
1540                 #include <netdb.h>
1541         ], [
1542
1543                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
1544         ], [
1545                 # Yes, we have it...
1546                 AC_MSG_RESULT(yes)
1547                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R, 1, [Have gethostbyname2_r])
1548         ], [
1549                 AC_MSG_RESULT(no)
1550         ])
1551
1552         dnl **********************************
1553         dnl *** Check for gethostbyname2 ***
1554         dnl **********************************
1555         AC_MSG_CHECKING(for gethostbyname2)
1556                 AC_TRY_LINK([
1557                 #include <stdio.h>
1558                 #include <netdb.h>
1559         ], [
1560                 gethostbyname2(NULL,0);
1561         ], [
1562                 # Yes, we have it...
1563                 AC_MSG_RESULT(yes)
1564                 AC_DEFINE(HAVE_GETHOSTBYNAME2, 1, [Have gethostbyname2])
1565         ], [
1566                 AC_MSG_RESULT(no)
1567         ])
1568
1569         dnl **********************************
1570         dnl *** Check for gethostbyname ***
1571         dnl **********************************
1572         AC_MSG_CHECKING(for gethostbyname)
1573                 AC_TRY_LINK([
1574                 #include <stdio.h>
1575                 #include <netdb.h>
1576         ], [
1577                 gethostbyname(NULL);
1578         ], [
1579                 # Yes, we have it...
1580                 AC_MSG_RESULT(yes)
1581                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
1582         ], [
1583                 AC_MSG_RESULT(no)
1584         ])
1585
1586         dnl **********************************
1587         dnl *** Check for getprotobyname ***
1588         dnl **********************************
1589         AC_MSG_CHECKING(for getprotobyname)
1590                 AC_TRY_LINK([
1591                 #include <stdio.h>
1592                 #include <netdb.h>
1593         ], [
1594                 getprotobyname(NULL);
1595         ], [
1596                 # Yes, we have it...
1597                 AC_MSG_RESULT(yes)
1598                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
1599         ], [
1600                 AC_MSG_RESULT(no)
1601         ])
1602
1603         dnl **********************************
1604         dnl *** Check for getnameinfo ***
1605         dnl **********************************
1606         AC_MSG_CHECKING(for getnameinfo)
1607                 AC_TRY_LINK([
1608                 #include <stdio.h>
1609                 #include <netdb.h>
1610         ], [
1611                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
1612         ], [
1613                 # Yes, we have it...
1614                 AC_MSG_RESULT(yes)
1615                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
1616         ], [
1617                 AC_MSG_RESULT(no)
1618         ])
1619
1620
1621         dnl **********************************
1622         dnl *** Check for inet_ntop ***
1623         dnl **********************************
1624         AC_MSG_CHECKING(for inet_ntop)
1625                 AC_TRY_LINK([
1626                 #include <stdio.h>
1627                 #include <arpa/inet.h>
1628         ], [
1629                 inet_ntop (0, NULL, NULL, 0);
1630         ], [
1631                 # Yes, we have it...
1632                 AC_MSG_RESULT(yes)
1633                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
1634         ], [
1635                 AC_MSG_RESULT(no)
1636         ])
1637
1638         dnl *****************************
1639         dnl *** Checks for libnsl     ***
1640         dnl *****************************
1641         AC_CHECK_FUNC(gethostbyaddr, , AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl"))
1642
1643         AC_CHECK_FUNCS(inet_pton inet_aton)
1644
1645         dnl *****************************
1646         dnl *** Checks for libxnet    ***
1647         dnl *****************************
1648         case "${host}" in
1649                 *solaris* )
1650                         AC_MSG_CHECKING(for Solaris XPG4 support)
1651                         if test -f /usr/lib/libxnet.so; then
1652                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
1653                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
1654                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
1655                                 LIBS="$LIBS -lxnet"
1656                                 AC_MSG_RESULT(yes)
1657                         else
1658                                 AC_MSG_RESULT(no)
1659                         fi
1660
1661                         if test "$GCC" = "yes"; then
1662                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
1663                         fi
1664                 ;;
1665         esac
1666
1667         dnl *****************************
1668         dnl *** Checks for libpthread ***
1669         dnl *****************************
1670 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
1671 # and libpthread does not exist
1672 #
1673         case "${host}" in
1674                 *-*-*freebsd*)
1675                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1676                 ;;
1677                 *-*-*openbsd*)
1678                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
1679                 ;;
1680                 *)
1681                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
1682                 ;;
1683         esac
1684         AC_CHECK_HEADERS(pthread.h)
1685         AC_CHECK_HEADERS(pthread_np.h)
1686         AC_CHECK_FUNCS(pthread_mutex_timedlock)
1687         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np pthread_setname_np)
1688         AC_CHECK_FUNCS(pthread_kill)
1689         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
1690         AC_TRY_COMPILE([ #include <pthread.h>], [
1691                 pthread_mutexattr_t attr;
1692                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
1693         ], [
1694                 AC_MSG_RESULT(ok)
1695         ], [
1696                 AC_MSG_RESULT(no)
1697                 AC_ERROR(Posix system lacks support for recursive mutexes)
1698         ])
1699         AC_CHECK_FUNCS(pthread_attr_setstacksize)
1700         AC_CHECK_FUNCS(pthread_attr_getstack pthread_attr_getstacksize)
1701         AC_CHECK_FUNCS(pthread_get_stacksize_np pthread_get_stackaddr_np)
1702
1703         dnl **********************************
1704         dnl *** Check for mincore ***
1705         dnl **********************************
1706         AC_MSG_CHECKING(for mincore)
1707                 AC_TRY_LINK([
1708                 #include <stdio.h>
1709                 #include <sys/types.h>
1710                 #include <sys/mman.h>
1711         ], [
1712                 mincore(NULL, 0, NULL);
1713         ], [
1714                 # Yes, we have it...
1715                 AC_MSG_RESULT(yes)
1716                 AC_DEFINE(HAVE_MINCORE, 1, [Have mincore])
1717         ], [
1718                 AC_MSG_RESULT(no)
1719         ])
1720
1721         dnl ***********************************
1722         dnl *** Checks for working __thread ***
1723         dnl ***********************************
1724         AC_MSG_CHECKING(for working __thread)
1725         if test "x$with_tls" != "x__thread"; then
1726                 AC_MSG_RESULT(disabled)
1727         elif test "x$cross_compiling" = "xyes"; then
1728                 AC_MSG_RESULT(cross compiling, assuming yes)
1729         else
1730                 AC_TRY_RUN([
1731                         #if defined(__APPLE__) && defined(__clang__)
1732                         #error "__thread does not currently work with clang on Mac OS X"
1733                         #endif
1734
1735                         #include <pthread.h>
1736                         __thread int i;
1737                         static int res1, res2;
1738
1739                         void thread_main (void *arg)
1740                         {
1741                                 i = arg;
1742                                 sleep (1);
1743                                 if (arg == 1)
1744                                         res1 = (i == arg);
1745                                 else
1746                                         res2 = (i == arg);
1747                         }
1748
1749                         int main () {
1750                                 pthread_t t1, t2;
1751
1752                                 i = 5;
1753
1754                                 pthread_create (&t1, NULL, thread_main, 1);
1755                                 pthread_create (&t2, NULL, thread_main, 2);
1756
1757                                 pthread_join (t1, NULL);
1758                                 pthread_join (t2, NULL);
1759
1760                                 return !(res1 + res2 == 2);
1761                         }
1762                 ], [
1763                                 AC_MSG_RESULT(yes)
1764                 ], [
1765                                 AC_MSG_RESULT(no)
1766                                 with_tls=pthread
1767                 ])
1768         fi
1769
1770         dnl **************************************
1771         dnl *** Checks for working sigaltstack ***
1772         dnl **************************************
1773         AC_MSG_CHECKING(for working sigaltstack)
1774         if test "x$with_sigaltstack" != "xyes"; then
1775                 AC_MSG_RESULT(disabled)
1776         elif test "x$cross_compiling" = "xyes"; then
1777                 AC_MSG_RESULT(cross compiling, assuming yes)
1778         else
1779                 AC_TRY_RUN([
1780                         #include <stdio.h>
1781                         #include <stdlib.h>
1782                         #include <unistd.h>
1783                         #include <signal.h>
1784                         #include <pthread.h>
1785                         #include <sys/wait.h>
1786                         #if defined(__FreeBSD__) || defined(__NetBSD__)
1787                         #define SA_STACK SA_ONSTACK
1788                         #endif
1789                         static void
1790                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
1791                         {
1792                                 exit (0);
1793                         }
1794
1795                         volatile char*__ptr = NULL;
1796                         static void *
1797                         loop (void *ignored)
1798                         {
1799                                 *__ptr = 0;
1800                                 return NULL;
1801                         }
1802
1803                         static void
1804                         child ()
1805                         {
1806                                 struct sigaction sa;
1807                         #ifdef __APPLE__
1808                                 stack_t sas;
1809                         #else
1810                                 struct sigaltstack sas;
1811                         #endif
1812                                 pthread_t id;
1813                                 pthread_attr_t attr;
1814
1815                                 sa.sa_sigaction = sigsegv_signal_handler;
1816                                 sigemptyset (&sa.sa_mask);
1817                                 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
1818                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
1819                                         perror ("sigaction");
1820                                         return;
1821                                 }
1822
1823                                 /* x86 darwin deliver segfaults using SIGBUS */
1824                                 if (sigaction (SIGBUS, &sa, NULL) == -1) {
1825                                         perror ("sigaction");
1826                                         return;
1827                                 }
1828                                 sas.ss_sp = malloc (SIGSTKSZ);
1829                                 sas.ss_size = SIGSTKSZ;
1830                                 sas.ss_flags = 0;
1831                                 if (sigaltstack (&sas, NULL) == -1) {
1832                                         perror ("sigaltstack");
1833                                         return;
1834                                 }
1835
1836                                 pthread_attr_init (&attr);
1837                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
1838                                         printf ("pthread_create\n");
1839                                         return;
1840                                 }
1841
1842                                 sleep (100);
1843                         }
1844
1845                         int
1846                         main ()
1847                         {
1848                                 pid_t son;
1849                                 int status;
1850                                 int i;
1851
1852                                 son = fork ();
1853                                 if (son == -1) {
1854                                         return 1;
1855                                 }
1856
1857                                 if (son == 0) {
1858                                         child ();
1859                                         return 0;
1860                                 }
1861
1862                                 for (i = 0; i < 300; ++i) {
1863                                         waitpid (son, &status, WNOHANG);
1864                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
1865                                                 return 0;
1866                                         usleep (10000);
1867                                 }
1868
1869                                 kill (son, SIGKILL);
1870                                 return 1;
1871                         }
1872
1873                 ], [
1874                                 AC_MSG_RESULT(yes)
1875                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK, 1, [Have a working sigaltstack])
1876                 ], [
1877                                 with_sigaltstack=no
1878                                 AC_MSG_RESULT(no)
1879                 ])
1880         fi
1881
1882         dnl ********************************
1883         dnl *** Checks for semaphore lib ***
1884         dnl ********************************
1885         # 'Real Time' functions on Solaris
1886         # posix4 on Solaris 2.6
1887         # pthread (first!) on Linux
1888         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
1889
1890         AC_SEARCH_LIBS(shm_open, pthread rt posix4)
1891         AC_CHECK_FUNCS(shm_open)
1892
1893         dnl ********************************
1894         dnl *** Checks for timezone stuff **
1895         dnl ********************************
1896         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
1897                 AC_TRY_COMPILE([
1898                         #include <time.h>
1899                         ], [
1900                         struct tm tm;
1901                         tm.tm_gmtoff = 1;
1902                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
1903         if test $ac_cv_struct_tm_gmtoff = yes; then
1904                 AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])
1905         else
1906                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1907                         AC_TRY_COMPILE([
1908                                 #include <time.h>
1909                         ], [
1910                                 timezone = 1;
1911                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1912                 if test $ac_cv_var_timezone = yes; then
1913                         AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])
1914                 else
1915                         AC_ERROR(unable to find a way to determine timezone)
1916                 fi
1917         fi
1918
1919         dnl *********************************
1920         dnl *** Checks for math functions ***
1921         dnl *********************************
1922         AC_SEARCH_LIBS(sqrtf, m)
1923         if test "x$has_broken_apple_cpp" != "xyes"; then
1924                 AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1925                         AC_TRY_LINK([#include <math.h>],
1926                         [ finite(0.0); ],
1927                         AC_DEFINE(HAVE_FINITE, 1, [Have finite in -lm]) AC_MSG_RESULT(yes),
1928                         AC_MSG_RESULT(no)))
1929         fi
1930         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1931                 AC_TRY_LINK([#include <math.h>],
1932                 [ isfinite(0.0); ],
1933                 AC_DEFINE(HAVE_ISFINITE, 1, [Have isfinite]) AC_MSG_RESULT(yes),
1934                 AC_MSG_RESULT(no)))
1935
1936         dnl ****************************************************************
1937         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1938         dnl *** have it in the library (duh))                            ***
1939         dnl ****************************************************************
1940         AC_CHECK_FUNCS(poll)
1941
1942         dnl *************************
1943         dnl *** Check for signbit ***
1944         dnl *************************
1945         AC_MSG_CHECKING(for signbit)
1946         AC_TRY_LINK([#include <math.h>], [
1947                 int s = signbit(1.0);
1948         ], [
1949                 AC_MSG_RESULT(yes)
1950                 AC_DEFINE(HAVE_SIGNBIT, 1, [Have signbit])
1951         ], [
1952                 AC_MSG_RESULT(no)
1953         ])
1954
1955         dnl **********************************
1956         dnl *** epoll                      ***
1957         dnl **********************************
1958         if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xno"; then
1959                 AC_CHECK_HEADERS(sys/epoll.h)
1960                 haveepoll=no
1961                 AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
1962                 if test "x$haveepoll" = "xyes" -a "x$ac_cv_header_sys_epoll_h" = "xyes"; then
1963                         AC_DEFINE(HAVE_EPOLL, 1, [epoll supported])
1964                 fi
1965         fi
1966
1967         havekqueue=no
1968
1969         AC_CHECK_HEADERS(sys/event.h)
1970         AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
1971
1972         dnl **************************************
1973         dnl * Darwin has a race that prevents us from using reliably:
1974         dnl * http://lists.apple.com/archives/darwin-dev/2011/Jun/msg00016.html
1975         dnl * Since kqueue is mostly used for scaling large web servers,
1976         dnl * and very few folks run Mono on large web servers on OSX, falling
1977         dnl * back
1978         dnl **************************************
1979         if test "x$havekqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"; then
1980                 if test "x$platform_darwin" = "xno"; then
1981                         AC_DEFINE(USE_KQUEUE_FOR_THREADPOOL, 1, [Use kqueue for the threadpool])
1982                 fi
1983         fi
1984
1985         dnl ******************************
1986         dnl *** Checks for SIOCGIFCONF ***
1987         dnl ******************************
1988         AC_CHECK_HEADERS(sys/ioctl.h)
1989         AC_CHECK_HEADERS(net/if.h, [], [],
1990            [
1991            #ifdef HAVE_SYS_TYPES_H
1992            # include <sys/types.h>
1993            #endif
1994            #ifdef HAVE_SYS_SOCKET_H
1995            # include <sys/socket.h>
1996            #endif
1997            ])
1998         AC_MSG_CHECKING(for ifreq)
1999         AC_TRY_COMPILE([
2000                 #include <stdio.h>
2001                 #include <sys/ioctl.h>
2002                 #include <net/if.h>
2003                 ], [
2004                 struct ifconf ifc;
2005                 struct ifreq *ifr;
2006                 void *x;
2007                 ifc.ifc_len = 0;
2008                 ifc.ifc_buf = NULL;
2009                 x = (void *) &ifr->ifr_addr;
2010                 ],[
2011                         AC_MSG_RESULT(yes)
2012                         AC_DEFINE(HAVE_SIOCGIFCONF, 1, [Can get interface list])
2013                 ], [
2014                         AC_MSG_RESULT(no)
2015                 ])
2016         dnl **********************************
2017         dnl ***     Checks for sin_len     ***
2018         dnl **********************************
2019         AC_MSG_CHECKING(for sockaddr_in.sin_len)
2020         AC_TRY_COMPILE([
2021                 #include <netinet/in.h>
2022                 ], [
2023                 struct sockaddr_in saddr;
2024                 saddr.sin_len = sizeof (saddr);
2025                 ],[
2026                         AC_MSG_RESULT(yes)
2027                         AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [sockaddr_in has sin_len])
2028                 ], [
2029                         AC_MSG_RESULT(no)
2030                 ])
2031         dnl **********************************
2032         dnl ***    Checks for sin6_len     ***
2033         dnl **********************************
2034         AC_MSG_CHECKING(for sockaddr_in6.sin6_len)
2035         AC_TRY_COMPILE([
2036                 #include <netinet/in.h>
2037                 ], [
2038                 struct sockaddr_in6 saddr6;
2039                 saddr6.sin6_len = sizeof (saddr6);
2040                 ],[
2041                         AC_MSG_RESULT(yes)
2042                         AC_DEFINE(HAVE_SOCKADDR_IN6_SIN_LEN, 1, [sockaddr_in6 has sin6_len])
2043                 ], [
2044                         AC_MSG_RESULT(no)
2045                 ])
2046         dnl **********************************
2047         dnl *** Check for getifaddrs       ***
2048         dnl **********************************
2049         AC_MSG_CHECKING(for getifaddrs)
2050                 AC_TRY_LINK([
2051                 #include <stdio.h>
2052                 #include <sys/types.h>
2053                 #include <sys/socket.h>
2054                 #include <ifaddrs.h>
2055         ], [
2056                 getifaddrs(NULL);
2057         ], [
2058                 # Yes, we have it...
2059                 AC_MSG_RESULT(yes)
2060                 AC_DEFINE(HAVE_GETIFADDRS, 1, [Have getifaddrs])
2061         ], [
2062                 AC_MSG_RESULT(no)
2063         ])
2064         dnl **********************************
2065         dnl *** Check for if_nametoindex   ***
2066         dnl **********************************
2067         AC_MSG_CHECKING(for if_nametoindex)
2068                 AC_TRY_LINK([
2069                 #include <stdio.h>
2070                 #include <sys/types.h>
2071                 #include <sys/socket.h>
2072                 #include <net/if.h>
2073         ], [
2074                 if_nametoindex(NULL);
2075         ], [
2076                 # Yes, we have it...
2077                 AC_MSG_RESULT(yes)
2078                 AC_DEFINE(HAVE_IF_NAMETOINDEX, 1, [Have if_nametoindex])
2079         ], [
2080                 AC_MSG_RESULT(no)
2081         ])
2082
2083         dnl **********************************
2084         dnl *** Checks for MonoPosixHelper ***
2085         dnl **********************************
2086         AC_CHECK_HEADERS(checklist.h)
2087         AC_CHECK_HEADERS(pathconf.h)
2088         AC_CHECK_HEADERS(fstab.h)
2089         AC_CHECK_HEADERS(attr/xattr.h)
2090         AC_CHECK_HEADERS(sys/extattr.h)
2091         AC_CHECK_HEADERS(sys/sendfile.h)
2092         AC_CHECK_HEADERS(sys/statvfs.h)
2093         AC_CHECK_HEADERS(sys/statfs.h)
2094         AC_CHECK_HEADERS(sys/vfstab.h)
2095         AC_CHECK_HEADERS(sys/xattr.h)
2096         AC_CHECK_HEADERS(sys/mman.h)
2097         AC_CHECK_HEADERS(sys/param.h)
2098         AC_CHECK_HEADERS(sys/mount.h, [], [],
2099                 [
2100                 #ifdef HAVE_SYS_PARAM_H
2101                 # include <sys/param.h>
2102                 #endif
2103                 ])
2104         AC_CHECK_HEADERS(sys/mount.h)
2105         AC_CHECK_FUNCS(confstr)
2106         AC_CHECK_FUNCS(seekdir telldir)
2107         AC_CHECK_FUNCS(getdomainname)
2108         AC_CHECK_FUNCS(setdomainname)
2109         AC_CHECK_FUNCS(endgrent getgrent fgetgrent setgrent)
2110         AC_CHECK_FUNCS(setgroups)
2111         AC_CHECK_FUNCS(endpwent getpwent fgetpwent setpwent)
2112         AC_CHECK_FUNCS(getfsstat)
2113         AC_CHECK_FUNCS(lutimes futimes)
2114         AC_CHECK_FUNCS(mremap)
2115         AC_CHECK_FUNCS(remap_file_pages)
2116         AC_CHECK_FUNCS(posix_fadvise)
2117         AC_CHECK_FUNCS(posix_fallocate)
2118         AC_CHECK_FUNCS(posix_madvise)
2119         AC_CHECK_FUNCS(vsnprintf)
2120         AC_CHECK_FUNCS(sendfile)
2121         AC_CHECK_FUNCS(gethostid sethostid)
2122         AC_CHECK_FUNCS(sethostname)
2123         AC_CHECK_FUNCS(statfs)
2124         AC_CHECK_FUNCS(fstatfs)
2125         AC_CHECK_FUNCS(statvfs)
2126         AC_CHECK_FUNCS(fstatvfs)
2127         AC_CHECK_FUNCS(stime)
2128         AC_CHECK_FUNCS(strerror_r)
2129         AC_CHECK_FUNCS(ttyname_r)
2130         AC_CHECK_FUNCS(psignal)
2131         AC_CHECK_FUNCS(getlogin_r)
2132         AC_CHECK_FUNCS(lockf)
2133         AC_CHECK_FUNCS(swab)
2134         AC_CHECK_FUNCS(setusershell endusershell)
2135         AC_CHECK_FUNCS(futimens utimensat)
2136         AC_CHECK_FUNCS(fstatat mknodat readlinkat)
2137         AC_CHECK_FUNCS(readv writev preadv pwritev)
2138         AC_CHECK_FUNCS(setpgid)
2139         AC_CHECK_SIZEOF(size_t)
2140         AC_CHECK_TYPES([blksize_t], [AC_DEFINE(HAVE_BLKSIZE_T)], ,
2141                 [#include <sys/types.h>
2142                  #include <sys/stat.h>
2143                  #include <unistd.h>])
2144         AC_CHECK_TYPES([blkcnt_t], [AC_DEFINE(HAVE_BLKCNT_T)], ,
2145                 [#include <sys/types.h>
2146                  #include <sys/stat.h>
2147                  #include <unistd.h>])
2148         AC_CHECK_TYPES([suseconds_t], [AC_DEFINE(HAVE_SUSECONDS_T)], ,
2149                 [#include <sys/time.h>])
2150         AC_CHECK_TYPES([struct flock], [AC_DEFINE(HAVE_STRUCT_FLOCK)], ,
2151                 [#include <unistd.h>
2152                  #include <fcntl.h>])
2153         AC_CHECK_TYPES([struct iovec], [AC_DEFINE(HAVE_STRUCT_IOVEC)], ,
2154                 [#include <sys/uio.h>])
2155         AC_CHECK_TYPES([struct pollfd], [AC_DEFINE(HAVE_STRUCT_POLLFD)], ,
2156                 [#include <sys/poll.h>])
2157         AC_CHECK_TYPES([struct stat], [AC_DEFINE(HAVE_STRUCT_STAT)], ,
2158                 [#include <sys/types.h>
2159                  #include <sys/stat.h>
2160                  #include <unistd.h>])
2161         AC_CHECK_TYPES([struct timespec], [AC_DEFINE(HAVE_STRUCT_TIMESPEC)], ,
2162                 [#include <time.h>])
2163         AC_CHECK_TYPES([struct timeval], [AC_DEFINE(HAVE_STRUCT_TIMEVAL)], ,
2164                 [#include <sys/time.h>
2165                  #include <sys/types.h>
2166                  #include <utime.h>])
2167         AC_CHECK_TYPES([struct timezone], [AC_DEFINE(HAVE_STRUCT_TIMEZONE)], ,
2168                 [#include <sys/time.h>])
2169         AC_CHECK_TYPES([struct utimbuf], [AC_DEFINE(HAVE_STRUCT_UTIMBUF)], ,
2170                 [#include <sys/types.h>
2171                  #include <utime.h>])
2172         AC_CHECK_MEMBERS(
2173                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
2174                 [#include <sys/types.h>
2175                  #include <dirent.h>])
2176         AC_CHECK_MEMBERS(
2177                 [struct passwd.pw_gecos],,,
2178                 [#include <sys/types.h>
2179                  #include <pwd.h>])
2180         AC_CHECK_MEMBERS(
2181                 [struct statfs.f_flags],,,
2182                 [#include <sys/types.h>
2183                  #include <sys/vfs.h>])
2184         AC_CHECK_MEMBERS(
2185                 [struct stat.st_atim, struct stat.st_mtim, struct stat.st_ctim],,,
2186                 [#include <sys/types.h>
2187                  #include <sys/stat.h>
2188                  #include <unistd.h>])
2189
2190         dnl Favour xattr through glibc, but use libattr if we have to
2191         AC_CHECK_FUNC(lsetxattr, ,
2192                 AC_CHECK_LIB(attr, lsetxattr, XATTR_LIB="-lattr",)
2193         )
2194         AC_SUBST(XATTR_LIB)
2195
2196         dnl kinfo_proc.kp_proc works on darwin but fails on other simil-bsds
2197         AC_CHECK_MEMBERS(
2198                 [struct kinfo_proc.kp_proc],,,
2199                 [#include <sys/types.h>
2200                  #include <sys/param.h>
2201                  #include <sys/sysctl.h>
2202                  #include <sys/proc.h>
2203                  ])
2204
2205         dnl *********************************
2206         dnl *** Checks for Windows compilation ***
2207         dnl *********************************
2208         AC_CHECK_HEADERS(sys/time.h)
2209         AC_CHECK_HEADERS(sys/param.h)
2210         AC_CHECK_HEADERS(dirent.h)
2211
2212         dnl ******************************************
2213         dnl *** Checks for OSX and iOS compilation ***
2214         dnl ******************************************
2215         AC_CHECK_HEADERS(CommonCrypto/CommonDigest.h)
2216
2217         dnl *********************************
2218         dnl *** Check for Console 2.0 I/O ***
2219         dnl *********************************
2220         AC_CHECK_HEADERS([curses.h])
2221         AC_CHECK_HEADERS([term.h], [], [],
2222         [#if HAVE_CURSES_H
2223          #include <curses.h>
2224          #endif
2225         ])
2226         AC_CHECK_HEADERS([termios.h])
2227
2228         dnl * This is provided in io-layer, but on windows it's only available
2229         dnl * on xp+
2230         AC_DEFINE(HAVE_GETPROCESSID, 1, [Define if GetProcessId is available])
2231 else
2232         dnl *********************************
2233         dnl *** Checks for Windows compilation ***
2234         dnl *********************************
2235         AC_CHECK_HEADERS(winternl.h)
2236
2237         jdk_headers_found=no
2238         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
2239         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
2240         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
2241         AC_CHECK_LIB(winmm, main, LIBS="$LIBS -lwinmm", AC_ERROR(bad mingw install?))
2242         AC_CHECK_LIB(oleaut32, main, LIBS="$LIBS -loleaut32", AC_ERROR(bad mingw install?))
2243         AC_CHECK_LIB(advapi32, main, LIBS="$LIBS -ladvapi32", AC_ERROR(bad mingw install?))
2244         AC_CHECK_LIB(version, main, LIBS="$LIBS -lversion", AC_ERROR(bad mingw install?))
2245
2246         dnl *********************************
2247         dnl *** Check for struct ip_mreqn ***
2248         dnl *********************************
2249         AC_MSG_CHECKING(for struct ip_mreqn)
2250         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2251                 struct ip_mreqn mreq;
2252                 mreq.imr_address.s_addr = 0;
2253         ], [
2254                 # Yes, we have it...
2255                 AC_MSG_RESULT(yes)
2256                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
2257         ], [
2258                 # We'll just have to try and use struct ip_mreq
2259                 AC_MSG_RESULT(no)
2260                 AC_MSG_CHECKING(for struct ip_mreq)
2261                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
2262                         struct ip_mreq mreq;
2263                         mreq.imr_interface.s_addr = 0;
2264                 ], [
2265                         # Yes, we have it...
2266                         AC_MSG_RESULT(yes)
2267                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
2268                 ], [
2269                         # No multicast support
2270                         AC_MSG_RESULT(no)
2271                 ])
2272         ])
2273
2274         dnl **********************************
2275         dnl *** Check for getaddrinfo ***
2276         dnl **********************************
2277         AC_MSG_CHECKING(for getaddrinfo)
2278                 AC_TRY_LINK([
2279                 #include <stdio.h>
2280                 #include <winsock2.h>
2281                 #include <ws2tcpip.h>
2282         ], [
2283                 getaddrinfo(NULL,NULL,NULL,NULL);
2284         ], [
2285                 # Yes, we have it...
2286                 AC_MSG_RESULT(yes)
2287                 AC_DEFINE(HAVE_GETADDRINFO, 1, [Have getaddrinfo])
2288         ], [
2289                 AC_MSG_RESULT(no)
2290         ])
2291
2292         dnl **********************************
2293         dnl *** Check for gethostbyname ***
2294         dnl **********************************
2295         AC_MSG_CHECKING(for gethostbyname)
2296                 AC_TRY_LINK([
2297                 #include <stdio.h>
2298                 #include <winsock2.h>
2299                 #include <ws2tcpip.h>
2300         ], [
2301                 gethostbyname(NULL);
2302         ], [
2303                 # Yes, we have it...
2304                 AC_MSG_RESULT(yes)
2305                 AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [Have gethostbyname])
2306         ], [
2307                 AC_MSG_RESULT(no)
2308         ])
2309
2310         dnl **********************************
2311         dnl *** Check for getprotobyname ***
2312         dnl **********************************
2313         AC_MSG_CHECKING(for getprotobyname)
2314                 AC_TRY_LINK([
2315                 #include <stdio.h>
2316                 #include <winsock2.h>
2317                 #include <ws2tcpip.h>
2318         ], [
2319                 getprotobyname(NULL);
2320         ], [
2321                 # Yes, we have it...
2322                 AC_MSG_RESULT(yes)
2323                 AC_DEFINE(HAVE_GETPROTOBYNAME, 1, [Have getprotobyname])
2324         ], [
2325                 AC_MSG_RESULT(no)
2326         ])
2327
2328         dnl **********************************
2329         dnl *** Check for getnameinfo ***
2330         dnl **********************************
2331         AC_MSG_CHECKING(for getnameinfo)
2332                 AC_TRY_LINK([
2333                 #include <stdio.h>
2334                 #include <winsock2.h>
2335                 #include <ws2tcpip.h>
2336         ], [
2337                 getnameinfo (NULL, 0, NULL, 0, NULL, 0, 0);
2338         ], [
2339                 # Yes, we have it...
2340                 AC_MSG_RESULT(yes)
2341                 AC_DEFINE(HAVE_GETNAMEINFO, 1, [Have getnameinfo])
2342         ], [
2343                 AC_MSG_RESULT(no)
2344         ])
2345
2346         dnl **********************************
2347         dnl *** Check for inet_ntop ***
2348         dnl **********************************
2349         AC_MSG_CHECKING(for inet_ntop)
2350                 AC_TRY_LINK([
2351                 #include <stdio.h>
2352                 #include <winsock2.h>
2353                 #include <ws2tcpip.h>
2354         ], [
2355                 inet_ntop (0, NULL, NULL, 0);
2356         ], [
2357                 # Yes, we have it...
2358                 AC_MSG_RESULT(yes)
2359                 AC_DEFINE(HAVE_INET_NTOP, 1, [Have inet_ntop])
2360         ], [
2361                 AC_MSG_RESULT(no)
2362         ])
2363
2364         AC_CHECK_DECLS(InterlockedExchange64, [], [], [[#include <windows.h>]])
2365         AC_CHECK_DECLS(InterlockedCompareExchange64, [], [], [[#include <windows.h>]])
2366         AC_CHECK_DECLS(InterlockedDecrement64, [], [], [[#include <windows.h>]])
2367         AC_CHECK_DECLS(InterlockedIncrement64, [], [], [[#include <windows.h>]])
2368         AC_CHECK_DECLS(InterlockedAdd, [], [], [[#include <windows.h>]])
2369         AC_CHECK_DECLS(InterlockedAdd64, [], [], [[#include <windows.h>]])
2370         AC_CHECK_DECLS(__readfsdword, [], [], [[#include <windows.h>]])
2371
2372         AC_MSG_CHECKING(for GetProcessId)
2373         AC_TRY_COMPILE([#include <windows.h>], [
2374                 GetProcessId (0);
2375         ], [
2376            AC_MSG_RESULT(yes)
2377            AC_DEFINE(HAVE_GETPROCESSID)
2378         ], [
2379            AC_MSG_RESULT(no)
2380         ])
2381 fi
2382
2383 dnl socklen_t check
2384 AC_MSG_CHECKING(for socklen_t)
2385 AC_TRY_COMPILE([
2386 #include <sys/types.h>
2387 #include <sys/socket.h>
2388 ],[
2389   socklen_t foo;
2390 ],[
2391 ac_cv_c_socklen_t=yes
2392         AC_DEFINE(HAVE_SOCKLEN_T, 1, [Have socklen_t])
2393         AC_MSG_RESULT(yes)
2394 ],[
2395         AC_MSG_RESULT(no)
2396 ])
2397
2398 AC_MSG_CHECKING(for array element initializer support)
2399 AC_TRY_COMPILE([#include <sys/socket.h>], [
2400         const int array[] = {[1] = 2,};
2401 ], [
2402         # Yes, we have it...
2403         AC_MSG_RESULT(yes)
2404         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
2405 ], [
2406         # We'll have to use signals
2407         AC_MSG_RESULT(no)
2408 ])
2409
2410 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
2411         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
2412         AC_TRY_LINK([#include <math.h>],
2413         [ static void *p = &trunc; ],
2414         [
2415                 AC_DEFINE(HAVE_TRUNC)
2416                 AC_MSG_RESULT(yes)
2417                 ac_cv_trunc=yes
2418         ],
2419         AC_MSG_RESULT(no)))
2420
2421 if test "x$ac_cv_truncl" != "xyes"; then
2422    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL, 1, [Has the 'aintl' function]) LIBS="$LIBS -lsunmath"])
2423 fi
2424
2425 AC_CHECK_FUNCS(round)
2426 AC_CHECK_FUNCS(rint)
2427 AC_CHECK_FUNCS(execvp)
2428
2429 dnl ****************************
2430 dnl *** Look for /dev/random ***
2431 dnl ****************************
2432
2433 AC_MSG_CHECKING([if usage of random device is requested])
2434 AC_ARG_ENABLE(dev-random,
2435 [  --disable-dev-random    disable the use of the random device (enabled by default)],
2436 try_dev_random=$enableval, try_dev_random=yes)
2437
2438 AC_MSG_RESULT($try_dev_random)
2439
2440 case "{$build}" in
2441     *-openbsd*)
2442     NAME_DEV_RANDOM="/dev/srandom"
2443     ;;
2444
2445 dnl Win32 does not have /dev/random, they have their own method...
2446
2447     *-mingw*|*-*-cygwin*)
2448     ac_cv_have_dev_random=no
2449     ;;
2450
2451 dnl Everywhere else, it's /dev/random
2452
2453     *)
2454     NAME_DEV_RANDOM="/dev/random"
2455     ;;
2456 esac
2457
2458 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM", [Name of /dev/random])
2459
2460 dnl Now check if the device actually exists
2461
2462 if test "x$try_dev_random" = "xyes"; then
2463     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
2464     [if test -r "$NAME_DEV_RANDOM" ; then
2465         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
2466     if test "x$ac_cv_have_dev_random" = "xyes"; then
2467         AC_DEFINE(HAVE_CRYPT_RNG, 1, [Have /dev/random])
2468     fi
2469 else
2470     AC_MSG_CHECKING(for random device)
2471     ac_cv_have_dev_random=no
2472     AC_MSG_RESULT(has been disabled)
2473 fi
2474
2475 if test "x$host_win32" = "xyes"; then
2476     AC_DEFINE(HAVE_CRYPT_RNG)
2477 fi
2478
2479 if test "x$ac_cv_have_dev_random" = "xno" \
2480     && test "x$host_win32" = "xno"; then
2481     AC_MSG_WARN([[
2482 ***
2483 *** A system-provided entropy source was not found on this system.
2484 *** Because of this, the System.Security.Cryptography random number generator
2485 *** will throw a NotImplemented exception.
2486 ***
2487 *** If you are seeing this message, and you know your system DOES have an
2488 *** entropy collection in place, please contact <crichton@gimp.org> and
2489 *** provide information about the system and how to access the random device.
2490 ***
2491 *** Otherwise you can install either egd or prngd and set the environment
2492 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
2493 ***]])
2494 fi
2495
2496 AC_MSG_CHECKING([if inter-process shared handles are requested])
2497 # Same as --enable-minimal=shared_handles
2498 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
2499 AC_MSG_RESULT($try_shared_handles)
2500 if test "x$try_shared_handles" != "xyes"; then
2501         AC_DEFINE(DISABLE_SHARED_HANDLES, 1, [Disable inter-process shared handles])
2502         AC_SUBST(DISABLE_SHARED_HANDLES)
2503 fi
2504
2505 AC_ARG_ENABLE(bcl-opt, [  --disable-bcl-opt     BCL is compiled with no optimizations (allows accurate BCL debugging)], test_bcl_opt=$enableval, test_bcl_opt=yes)
2506
2507 AC_ARG_ENABLE(perf-events, [  --enable-perf-events Enable using `perf` for profiling on Linux], test_perf_events=$enableval, test_perf_events=no)
2508 if test "x$test_perf_events" == "xyes"; then
2509         AC_DEFINE(ENABLE_PERF_EVENTS, 1, [Enable using `perf` for profiling on Linux])
2510         AC_SUBST(ENABLE_PERF_EVENTS)
2511 fi
2512
2513 AC_MSG_CHECKING([if big-arrays are to be enabled])
2514 AC_ARG_ENABLE(big-arrays,  [  --enable-big-arrays       Enable the allocation and indexing of arrays greater than Int32.MaxValue], enable_big_arrays=$enableval, enable_big_arrays=no)
2515 if test "x$enable_big_arrays" = "xyes" ; then
2516     if  test "x$ac_cv_sizeof_void_p" = "x8"; then
2517         AC_DEFINE(MONO_BIG_ARRAYS,1,[Enable the allocation and indexing of arrays greater than Int32.MaxValue])
2518     else
2519         AC_MSG_ERROR([The allocation and indexing of arrays greater than Int32.MaxValue is not supported on this platform.])
2520     fi
2521 fi
2522 AC_MSG_RESULT($enable_big_arrays)
2523
2524 dnl **************
2525 dnl *** DTRACE ***
2526 dnl **************
2527
2528 AC_ARG_ENABLE(dtrace,[  --enable-dtrace Enable DTrace probes], enable_dtrace=$enableval, enable_dtrace=$has_dtrace)
2529
2530 if test "x$enable_dtrace" = "xyes"; then
2531    if test "x$has_dtrace" = "xno"; then
2532           AC_MSG_ERROR([DTrace probes are not supported on this platform.])
2533    fi
2534    AC_PATH_PROG(DTRACE, [dtrace], [no], [$PATH:/usr/sbin])
2535    if test "x$DTRACE" = "xno"; then
2536           AC_MSG_RESULT([dtrace utility not found, dtrace support disabled.])
2537           enable_dtrace=no
2538    elif ! $DTRACE -h -s $srcdir/data/mono.d > /dev/null 2>&1; then
2539           AC_MSG_RESULT([dtrace doesn't support -h option, dtrace support disabled.])
2540           enable_dtrace=no
2541    fi
2542 fi
2543
2544 dtrace_g=no
2545 if test "x$enable_dtrace" = "xyes"; then
2546         AC_DEFINE(ENABLE_DTRACE, 1, [Enable DTrace probes])
2547         DTRACEFLAGS=
2548         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2549                 case "$host" in
2550                         powerpc-*-darwin*)
2551                         DTRACEFLAGS="-arch ppc64"
2552                         ;;
2553                         i*86-*-darwin*)
2554                         DTRACEFLAGS="-arch x86_64"
2555                         ;;
2556                         *)
2557                         DTRACEFLAGS=-64
2558                         ;;
2559                 esac
2560         else
2561                 case "$host" in
2562                         powerpc-*-darwin*)
2563                         DTRACEFLAGS="-arch ppc"
2564                         ;;
2565                         i*86-*-darwin*)
2566                         DTRACEFLAGS="-arch i386"
2567                         ;;
2568                         *)
2569                         DTRACEFLAGS=-32
2570                         ;;
2571                 esac
2572         fi
2573         AC_SUBST(DTRACEFLAGS)
2574         case "$host" in
2575                 *-*-solaris*)
2576                 dtrace_g=yes
2577                 ;;
2578         esac
2579         AC_CHECK_HEADERS([sys/sdt.h])
2580 fi
2581 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
2582 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
2583
2584 dnl **************
2585 dnl ***  NaCl  ***
2586 dnl **************
2587
2588 AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
2589 AC_ARG_ENABLE(nacl_gc, [  --enable-nacl-gc           Enable Native Client garbage collection], enable_nacl_gc=$enableval, enable_nacl_gc=no)
2590
2591 AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
2592
2593 dnl
2594 dnl Hack to use system mono for operations in build/install not allowed in NaCl.
2595 dnl
2596 nacl_self_host=""
2597 if test "x$ac_cv_header_nacl_nacl_dyncode_h" = "xyes"; then
2598    nacl_self_host="nacl_self_host"
2599 fi
2600 AC_SUBST(nacl_self_host)
2601
2602 if test "x$enable_nacl_codegen" = "xyes"; then
2603    MONO_NACL_ALIGN_MASK_OFF=1
2604    AC_DEFINE(TARGET_NACL, 1, [...])
2605    AC_DEFINE(__native_client_codegen__, 1, [...])
2606 else
2607    MONO_NACL_ALIGN_MASK_OFF=0
2608    AC_DEFINE(__default_codegen__, 1, [...])
2609 fi
2610 if test "x$enable_nacl_gc" = "xyes"; then
2611    if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
2612       INSTRUMENT_CFLAG="-finstrument-for-thread-suspension"
2613    else
2614       # Not yet implemented
2615       INSTRUMENT_CFLAG=""
2616    fi
2617    CPPFLAGS="$CPPFLAGS $INSTRUMENT_CFLAG -D__native_client_gc__"
2618 fi
2619 AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
2620
2621 dnl **************
2622 dnl ***  LLVM  ***
2623 dnl **************
2624
2625 AC_ARG_ENABLE(llvm,[  --enable-llvm     Enable the LLVM back-end], enable_llvm=$enableval, enable_llvm=no)
2626 AC_ARG_ENABLE(loadedllvm,[  --enable-loadedllvm Load the LLVM back-end dynamically], enable_llvm=$enableval && enable_loadedllvm=$enableval, enable_loadedllvm=no)
2627 AC_ARG_ENABLE(llvm-version-check,[  --enable-llvm-version-check Check that the LLVM matches the version expected by mono], enable_llvm_version_check=$enableval, enable_llvm_version_check=no)
2628
2629 AC_ARG_WITH(llvm, [  --with-llvm=<llvm prefix>    Enable the LLVM back-end], enable_llvm=yes,)
2630
2631 if test "x$enable_llvm" = "xyes"; then
2632    if test "x$with_llvm" != "x"; then
2633           LLVM_CONFIG=$with_llvm/bin/llvm-config
2634           if test x$target_win32 = xyes; then
2635                 LLVM_CONFIG=$LLVM_CONFIG.exe
2636           fi
2637           if test ! -x $LLVM_CONFIG; then
2638                  AC_MSG_ERROR([LLVM executable $LLVM_CONFIG not found.])
2639       fi
2640    else
2641       AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
2642       if test "x$LLVM_CONFIG" = "xno"; then
2643              AC_MSG_ERROR([llvm-config not found.])
2644       fi
2645    fi
2646
2647    llvm_codegen="x86codegen"
2648    case "$target" in
2649    arm*)
2650                 llvm_codegen="armcodegen"
2651                 ;;
2652    esac
2653
2654    if test "x$target_win32" = "xno"; then
2655
2656    # The output of --cflags seems to include optimizations flags too
2657    LLVM_CFLAGS=`$LLVM_CONFIG --cflags | sed -e 's/-O2//g' | sed -e 's/-O0//g' | sed -e 's/-fomit-frame-pointer//g' | sed -e 's/-fPIC//g'`
2658    # LLVM is compiled with -fno-rtti, so we need this too, since our classes inherit
2659    # from LLVM classes.
2660    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
2661    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2662    # This might include empty lines
2663    LLVM_SYSTEM_LIBS=`$LLVM_CONFIG --system-libs 2>/dev/null | grep -- -`
2664    if test "x$host" != "x$target"; then
2665       # No need for jit libs
2666       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter`
2667    else
2668       LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit $llvm_codegen`
2669    fi
2670    LLVM_LIBS="$LLVM_LIBS $LLVM_LDFLAGS $LLVM_SYSTEM_LIBS -lstdc++"
2671
2672    expected_llvm_version="3.4svn-mono-mono/e656cac"
2673
2674    # Should be something like '2.6' or '2.7svn'
2675    llvm_version=`$LLVM_CONFIG --version`
2676    llvm_api_version=`$LLVM_CONFIG --mono-api-version 2>/dev/null`
2677    AC_MSG_CHECKING(LLVM version)
2678    AC_MSG_RESULT($llvm_version)
2679    if echo $llvm_version | grep -q 'mono'; then
2680           if test "x$enable_llvm_version_check" == "xyes"; then
2681                  if test "$llvm_version" != "$expected_llvm_version"; then
2682                         AC_MSG_ERROR([Expected llvm version $expected_llvm_version, but llvm-config --version returned $llvm_version"])
2683                  fi
2684           fi
2685    else
2686           AC_MSG_ERROR([Compiling with stock LLVM is not supported, please use the Mono LLVM repo at https://github.com/mono/llvm, with the GIT branch which matches this version of mono, i.e. 'mono-2-10' for Mono 2.10.])
2687    fi
2688
2689    else
2690        LLVM_CFLAGS="-I$with_llvm/include -DNDEBUG -D__NO_CTYPE_INLINE -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
2691        LLVM_CXXFLAGS="$LLVM_CFLAGS -std=gnu++11 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Woverloaded-virtual -Wcast-qual"
2692        LLVM_LDFLAGS="-L$with_llvm/lib"
2693        LLVM_SYSTEM_LIBS="-lshell32 -lpsapi -limagehlp -ldbghelp -lm"
2694        LLVM_LIBS="-lLLVMLTO -lLLVMObjCARCOpts -lLLVMLinker -lLLVMipo -lLLVMVectorize -lLLVMBitWriter \
2695          -lLLVMARMDisassembler -lLLVMARMCodeGen -lLLVMARMAsmParser -lLLVMARMDesc -lLLVMARMInfo \
2696          -lLLVMARMAsmPrinter -lLLVMTableGen -lLLVMDebugInfo -lLLVMOption -lLLVMX86Disassembler \
2697          -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMX86Desc \
2698          -lLLVMMCDisassembler -lLLVMX86Info -lLLVMX86AsmPrinter -lLLVMX86Utils -lLLVMJIT \
2699          -lLLVMIRReader -lLLVMAsmParser -lLLVMLineEditor -lLLVMMCAnalysis -lLLVMInstrumentation \
2700          -lLLVMInterpreter -lLLVMCodeGen -lLLVMScalarOpts -lLLVMInstCombine -lLLVMTransformUtils \
2701          -lLLVMipa -lLLVMAnalysis -lLLVMProfileData -lLLVMMCJIT -lLLVMTarget -lLLVMRuntimeDyld \
2702          -lLLVMObject -lLLVMMCParser -lLLVMBitReader -lLLVMExecutionEngine -lLLVMMC -lLLVMCore \
2703          -lLLVMSupport -lstdc++"
2704        LLVM_LIBS="$LLVM_LIBS $LLVM_SYSTEM_LIBS"
2705
2706        llvm_config_path=$with_llvm/include/llvm/Config/llvm-config.h
2707        llvm_api_version=`awk '/MONO_API_VERSION/ { print $3 }' $llvm_config_path`
2708    fi
2709
2710    if test "x$llvm_api_version" = "x"; then
2711           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=0"
2712           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=0"
2713    else
2714           LLVM_CFLAGS="$LLVM_CFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2715           LLVM_CXXFLAGS="$LLVM_CXXFLAGS -DLLVM_API_VERSION=$llvm_api_version"
2716    fi
2717
2718    AC_DEFINE_UNQUOTED(LLVM_VERSION, "$llvm_version", [Full version of LLVM libraties])
2719
2720    AC_SUBST(LLVM_CFLAGS)
2721    AC_SUBST(LLVM_CXXFLAGS)
2722    AC_SUBST(LLVM_LIBS)
2723    AC_SUBST(LLVM_LDFLAGS)
2724    AC_DEFINE(ENABLE_LLVM, 1, [Enable the LLVM back end])
2725 fi
2726
2727 AM_CONDITIONAL(ENABLE_LLVM, [test x$enable_llvm = xyes])
2728 if test "x$enable_loadedllvm" = "xyes"; then
2729    AC_DEFINE(MONO_LLVM_LOADED, 1, [The LLVM back end is dynamically loaded])
2730 fi
2731 AM_CONDITIONAL(LOADED_LLVM, [test x$enable_loadedllvm = xyes])
2732
2733 TARGET="unknown"
2734 ACCESS_UNALIGNED="yes"
2735
2736 LIBC="libc.so.6"
2737 INTL="libc.so.6"
2738 SQLITE="libsqlite.so.0"
2739 SQLITE3="libsqlite3.so.0"
2740 X11="libX11.so"
2741 GDKX11="libgdk-x11-2.0.so.0"
2742 GTKX11="libgtk-x11-2.0.so.0"
2743 XINERAMA="libXinerama.so.1"
2744
2745 sizeof_register="SIZEOF_VOID_P"
2746
2747 jit_wanted=true
2748 sgen_supported=false
2749 boehm_supported=true
2750 case "$host" in
2751         mips*)
2752                 TARGET=MIPS;
2753                 arch_target=mips;
2754                 sgen_supported=true
2755                 ACCESS_UNALIGNED="no"
2756
2757                 AC_MSG_CHECKING(for mips n32)
2758                 AC_TRY_COMPILE([],[
2759                 #if _MIPS_SIM != _ABIN32
2760                 #error Not mips n32
2761                 #endif
2762                 return 0;
2763                 ],[
2764                 AC_MSG_RESULT(yes)
2765                 sizeof_register=8
2766                 ],[
2767                 AC_MSG_RESULT(no)
2768                 ])
2769                 ;;
2770         i*86-*-*)
2771                 TARGET=X86;
2772                 arch_target=x86;
2773                 case $host_os in
2774                   solaris*)
2775                         LIBC="libc.so"
2776                         INTL="libintl.so"
2777                         if test "x$ac_cv_sizeof_void_p" = "x8"; then
2778                                 TARGET=AMD64
2779                                 arch_target=amd64
2780                         fi
2781
2782                         # On solaris 10 x86, gcc prints a warning saying 'visibility attribute not supported on this configuration; ignored', but linking fails. A test case:
2783                         # int astruct __attribute__ ((visibility ("hidden")));
2784                         # void foo ()
2785                         # {
2786                         #       void *p = &astruct;
2787                         # }
2788                         # gcc -fPIC --shared -o libfoo.so foo.c
2789                         # yields:
2790                         # foo.c:6: warning: visibility attribute not supported in this configuration; ignored
2791                         # ld: fatal: relocation error: R_386_GOTOFF: file /var/tmp//ccxYR96k.o: symbol astruct: relocation must bind locally
2792                         have_visibility_hidden=no
2793                         sgen_supported=true
2794                         ;;
2795                   mingw*|cygwin*)
2796                         sgen_supported=true
2797                         have_visibility_hidden=no
2798                         ;;
2799                   haiku*)
2800                         LIBC=libroot.so
2801                         ;;
2802                   linux*)
2803                         sgen_supported=true
2804                         AOT_SUPPORTED="yes"
2805                         ;;
2806                   darwin*)
2807                         sgen_supported=true
2808                         AOT_SUPPORTED="yes"
2809                         ;;
2810                   openbsd*|freebsd*|kfreebsd-gnu*)
2811                         sgen_supported=true
2812                         ;;
2813                 esac
2814                 ;;
2815         x86_64-*-* | amd64-*-*)
2816                 TARGET=AMD64;
2817                 arch_target=amd64;
2818                 if test "x$ac_cv_sizeof_void_p" = "x4"; then
2819                         AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2820                         sizeof_register=8
2821                 fi
2822                 case $host_os in
2823                   linux*)
2824                         sgen_supported=true
2825                         AOT_SUPPORTED="yes"
2826                         ;;
2827                   darwin*)
2828                         sgen_supported=true
2829                         AOT_SUPPORTED="yes"
2830                         ;;
2831                   openbsd*|freebsd*|kfreebsd-gnu*)
2832                         sgen_supported=true
2833                         ;;
2834                   mingw*)
2835                         sgen_supported=true
2836                         ;;
2837                 esac
2838                 case "$host" in
2839                         x86_64-*-nacl*)
2840                                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2841                                 sizeof_register=8
2842                                 ;;
2843                 esac
2844                 ;;
2845         ia64-*-*)
2846                 TARGET=IA64
2847                 arch_target=ia64
2848                 ACCESS_UNALIGNED="no"
2849                 LIBC="libc.so.6.1"
2850                 INTL="libc.so.6.1"
2851                 AC_CHECK_LIB(unwind, _U_dyn_register, [], [AC_MSG_ERROR(library libunwind not found)])
2852                 libmono_ldflags="-lunwind"
2853                 ;;
2854         sparc*-*-*)
2855                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2856                    TARGET=SPARC64
2857                 else
2858                         TARGET=SPARC
2859                 fi
2860                 arch_target=sparc;
2861                 ACCESS_UNALIGNED="no"
2862                 case $host_os in
2863                   linux*) ;;
2864                   *)
2865                         LIBC="libc.so"
2866                         INTL="libintl.so"
2867                 esac
2868                 if test x"$GCC" = xyes; then
2869                         # We don't support v8 cpus
2870                         CFLAGS="$CFLAGS -Wno-cast-align -mcpu=v9"
2871                 fi
2872                 if test x"$AR" = xfalse; then
2873                         AC_MSG_ERROR([The required utility 'ar' is not found in your PATH. Usually it can be found in /usr/ccs/bin.])
2874                 fi
2875                 sgen_supported=true
2876                 ;;
2877         *-mingw*|*-*-cygwin*)
2878                 # When this is enabled, it leads to very strange crashes at runtime (gcc-3.4.4)
2879                 have_visibility_hidden=no
2880                 INTL="intl"
2881                 ;;
2882         macppc-*-openbsd* | powerpc*-*-linux* | powerpc-*-openbsd* | \
2883         powerpc-*-sysv* | powerpc-*-darwin* | powerpc-*-netbsd* | powerpc-*-freebsd* )
2884                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
2885                         TARGET=POWERPC64;
2886                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__ -D__mono_ppc64__"
2887                         CFLAGS="$CFLAGS -mminimal-toc"
2888                 else
2889                         TARGET=POWERPC;
2890                         CPPFLAGS="$CPPFLAGS -D__mono_ppc__"
2891                 fi
2892                 arch_target=ppc;
2893                 case $host_os in
2894                   linux*|darwin*)
2895                         sgen_supported=true
2896                         ;;
2897                 esac
2898                 ;;
2899         arm*-darwin*)
2900                 TARGET=ARM;
2901                 arch_target=arm;
2902                 ACCESS_UNALIGNED="no"
2903                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2904                 sgen_supported=true
2905                 ;;
2906         arm*-linux*)
2907                 TARGET=ARM;
2908                 arch_target=arm;
2909                 ACCESS_UNALIGNED="no"
2910                 sgen_supported=true
2911                 AOT_SUPPORTED="yes"
2912                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2913                 ;;
2914 # TODO: make proper support for NaCl host.
2915 #        arm*-*nacl)
2916 #               TARGET=ARM;
2917 #               arch_target=arm;
2918 #               ACCESS_UNALIGNED="no"
2919 #               sgen_supported=true
2920 #               AOT_SUPPORTED="no"
2921 #               ;;
2922         aarch64-*)
2923                 # https://lkml.org/lkml/2012/7/15/133
2924                 TARGET=ARM64
2925                 arch_target=arm64
2926                 sgen_supported=true
2927                 boehm_supported=false
2928                 ;;
2929         s390x-*-linux*)
2930                 TARGET=S390X;
2931                 arch_target=s390x;
2932                 ACCESS_UNALIGNED="yes"
2933                 sgen_supported=true
2934                 CFLAGS="$CFLAGS -mbackchain -D__USE_STRING_INLINES"
2935                 ;;
2936 esac
2937
2938 HOST=$TARGET
2939
2940 if test "x$host" != "x$target"; then
2941    AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
2942    enable_mcs_build=no
2943    case "$target" in
2944    arm*-darwin*)
2945                 TARGET=ARM;
2946                 arch_target=arm;
2947                 ACCESS_UNALIGNED="no"
2948                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
2949                 # Can't use tls, since it depends on the runtime detection of tls offsets
2950                 # in mono-compiler.h
2951                 with_tls=pthread
2952                 ;;
2953    powerpc64-ps3-linux-gnu)
2954                 TARGET=POWERPC64
2955                 arch_target=powerpc64
2956                 AC_DEFINE(TARGET_PS3, 1, [...])
2957                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2958                 # uses this define
2959                 AC_DEFINE(__mono_ppc64__, 1, [...])
2960                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2961                 sizeof_register=8
2962                 target_byte_order=G_BIG_ENDIAN
2963                 ;;
2964    powerpc64-xbox360-linux-gnu)
2965                 TARGET=POWERPC64
2966                 arch_target=powerpc64
2967                 AC_DEFINE(TARGET_XBOX360, 1, [...])
2968                 # It would be better to just use TARGET_POWERPC64, but lots of code already
2969                 # uses this define
2970                 sizeof_register=8
2971                 target_byte_order=G_BIG_ENDIAN
2972                 ;;
2973    x86_64-*-nacl)
2974                 TARGET=AMD64
2975                 arch_target=amd64
2976                 AC_DEFINE(TARGET_AMD64, 1, [...])
2977                 AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
2978                 sizeof_register=8
2979                 ;;
2980 # TODO: make proper support for NaCl target.
2981 #   arm*-*nacl)
2982 #               TARGET=ARM
2983 #               arch_target=arm
2984 #               AC_DEFINE(TARGET_ARM, 1, [...])
2985 #               ACCESS_UNALIGNED="no"
2986 #               sizeof_register=4
2987 #               CPPFLAGS="$CPPFLAGS \
2988 #                    -D__ARM_EABI__ \
2989 #                    -D__arm__ \
2990 #                    -D__portable_native_client__ \
2991 #                    -Dtimezone=_timezone \
2992 #                    -DDISABLE_SOCKETS \
2993 #                    -DDISABLE_ATTACH \
2994 #                    -DUSE_NEWLIB"
2995                 # Can't use tls, since it depends on the runtime detection of tls offsets
2996                 # in mono-compiler.h
2997 #               with_tls=pthread
2998 #               ;;
2999    i686-*-nacl)
3000                 TARGET=X86
3001                 arch_target=x86
3002                 AC_DEFINE(TARGET_X86, 1, [...])
3003                 sizeof_register=4
3004                 ;;
3005    arm*-linux-*)
3006                 TARGET=ARM;
3007                 arch_target=arm;
3008                 AC_DEFINE(TARGET_ARM, 1, [...])
3009                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3010                 ACCESS_UNALIGNED="no"
3011                 CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
3012                 # Can't use tls, since it depends on the runtime detection of tls offsets
3013                 # in mono-compiler.h
3014                 with_tls=pthread
3015                 target_mach=no
3016                 case "$target" in
3017                 armv7l-unknown-linux-gnueabi*)
3018                         # TEGRA
3019                         CPPFLAGS="$CPPFLAGS"
3020                         ;;
3021                 armv5-*-linux-androideabi*)
3022                         CPPFLAGS="$CPPFLAGS"
3023                         ;;
3024                 esac
3025                 ;;
3026    i686*-linux-*)
3027                 TARGET=X86;
3028                 arch_target=x86;
3029                 AC_DEFINE(TARGET_X86, 1, [...])
3030                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3031                 CPPFLAGS="$CPPFLAGS"
3032                 sgen_supported=true
3033                 # Can't use tls, since it depends on the runtime detection of tls offsets
3034                 # in mono-compiler.h
3035                 with_tls=pthread
3036                 target_mach=no
3037                 ;;
3038    x86_64*-linux-*)
3039                 TARGET=AMD64;
3040                 arch_target=amd64;
3041                 AC_DEFINE(TARGET_AMD64, 1, [...])
3042                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3043                 CPPFLAGS="$CPPFLAGS"
3044                 sgen_supported=true
3045                 # Can't use tls, since it depends on the runtime detection of tls offsets
3046                 # in mono-compiler.h
3047                 with_tls=pthread
3048                 target_mach=no
3049                 ;;
3050    x86_64-ps4-freebsd)
3051                 TARGET=AMD64;
3052                 arch_target=amd64;
3053                 AC_DEFINE(TARGET_AMD64, 1, [...])
3054                 AC_DEFINE(TARGET_PS4, 1, [...])
3055                 CPPFLAGS="$CPPFLAGS"
3056                 sgen_supported=true
3057                 # Can't use tls, since it depends on the runtime detection of tls offsets
3058                 # in mono-compiler.h
3059                 with_tls=pthread
3060                 target_mach=no
3061                 target_win32=no
3062                 ;;
3063    aarch64*-linux-*)
3064                 TARGET=ARM64;
3065                 arch_target=arm64;
3066                 AC_DEFINE(TARGET_ARM64, 1, [...])
3067                 AC_DEFINE(TARGET_ANDROID, 1, [...])
3068                 CPPFLAGS="$CPPFLAGS"
3069                 # Can't use tls, since it depends on the runtime detection of tls offsets
3070                 # in mono-compiler.h
3071                 with_tls=pthread
3072                 target_mach=no
3073                 ;;
3074         aarch64-*)
3075                 TARGET=ARM64
3076                 ;;
3077         *)
3078                 AC_MSG_ERROR([Cross compiling is not supported for target $target])
3079         esac
3080 fi
3081
3082 case "$TARGET" in
3083 X86)
3084         AC_DEFINE(TARGET_X86, 1, [...])
3085         ;;
3086 AMD64)
3087         AC_DEFINE(TARGET_AMD64, 1, [...])
3088         ;;
3089 ARM)
3090         AC_DEFINE(TARGET_ARM, 1, [...])
3091         ;;
3092 ARM64)
3093         AC_DEFINE(TARGET_ARM64, 1, [...])
3094         ;;
3095 POWERPC)
3096         AC_DEFINE(TARGET_POWERPC, 1, [...])
3097         ;;
3098 POWERPC64)
3099         AC_DEFINE(TARGET_POWERPC, 1, [...])
3100         AC_DEFINE(TARGET_POWERPC64, 1, [...])
3101         ;;
3102 S390X)
3103         AC_DEFINE(TARGET_S390X, 1, [...])
3104         ;;
3105 MIPS)
3106         AC_DEFINE(TARGET_MIPS, 1, [...])
3107         ;;
3108 IA64)
3109         AC_DEFINE(TARGET_IA64, 1, [...])
3110         ;;
3111 SPARC)
3112         AC_DEFINE(TARGET_SPARC, 1, [...])
3113         ;;
3114 SPARC64)
3115         AC_DEFINE(TARGET_SPARC64, 1, [...])
3116         ;;
3117 esac
3118
3119 dnl *************
3120 dnl *** VTUNE ***
3121 dnl *************
3122
3123 AC_ARG_ENABLE(vtune,[  --enable-vtune   Enable the VTUNE back-end], enable_vtune=$enableval, enable_vtune=no)
3124 AC_ARG_WITH(vtune, [  --with-vtune=<vtune prefix>       Enable jit vtune profiling], enable_vtune=yes,)
3125
3126 AM_CONDITIONAL(HAVE_VTUNE, test x$enable_vtune = xyes)
3127
3128 if test "x$enable_vtune" = "xyes"; then
3129         if test "x$with_vtune" = "x"; then
3130                 VTUNE_PATH=/opt/intel/vtune_amplifier_xe
3131         else
3132                 VTUNE_PATH=$with_vtune
3133         fi
3134         VTUNE_INCLUDE=$VTUNE_PATH/include
3135         case "$TARGET" in
3136         X86)
3137                 VTUNE_LIB=$VTUNE_PATH/lib32
3138                 ;;
3139         AMD64)
3140                 VTUNE_LIB=$VTUNE_PATH/lib64
3141                 ;;
3142         *)
3143                 AC_MSG_ERROR([Unsupported target $TARGET for VTUNE.])
3144                 ;;
3145         esac
3146         if test ! -f $VTUNE_INCLUDE/jitprofiling.h; then
3147                 AC_MSG_ERROR([VTUNE $VTUNE_INCLUDE/jitprofiling.h not found.])
3148         fi
3149         if test ! -f $VTUNE_LIB/libjitprofiling.a; then
3150                 AC_MSG_ERROR([VTUNE $VTUNE_LIB/libjitprofiling.a not found.])
3151         fi
3152
3153         VTUNE_CFLAGS=-I$VTUNE_INCLUDE
3154         VTUNE_LIBS="-L/$VTUNE_LIB/ -ljitprofiling"
3155
3156         AC_SUBST(VTUNE_LIBS)
3157         AC_SUBST(VTUNE_CFLAGS)
3158 fi
3159 dnl Use GCC atomic ops if they work on the target.
3160 if test x$GCC = "xyes"; then
3161         case $TARGET in
3162         X86 | AMD64 | ARM | ARM64 | POWERPC | POWERPC64 | MIPS | S390X | SPARC | SPARC64)
3163                 AC_DEFINE(USE_GCC_ATOMIC_OPS, 1, [...])
3164                 ;;
3165         esac
3166 fi
3167
3168 if test "x$target_mach" = "xyes"; then
3169    if test "x$TARGET" = "xARM" -o "x$TARGET" = "xARM64"; then
3170           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3171           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3172           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3173    else
3174        AC_TRY_COMPILE([#include "TargetConditionals.h"],[
3175        #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
3176        #error fail this for ios
3177        #endif
3178        return 0;
3179        ], [
3180                   AC_DEFINE(TARGET_OSX,1,[The JIT/AOT targets OSX])
3181           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_OSX"
3182           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_OSX"
3183        ], [
3184           AC_DEFINE(TARGET_IOS,1,[The JIT/AOT targets iOS])
3185           CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DTARGET_IOS"
3186           CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -DTARGET_IOS"
3187        ])
3188         fi
3189    AC_DEFINE(TARGET_MACH,1,[The JIT/AOT targets Apple platforms])
3190 fi
3191
3192 if test "x$sizeof_register" = "x4"; then
3193    AC_DEFINE(SIZEOF_REGISTER,4,[size of machine integer registers])
3194 elif test "x$sizeof_register" = "x8"; then
3195    AC_DEFINE(SIZEOF_REGISTER,8,[size of machine integer registers])
3196 else
3197    AC_DEFINE(SIZEOF_REGISTER,SIZEOF_VOID_P,[size of machine integer registers])
3198 fi
3199
3200 if test "x$target_byte_order" = "xG_BIG_ENDIAN"; then
3201    AC_DEFINE(TARGET_BYTE_ORDER,G_BIG_ENDIAN,[byte order of target])
3202 elif test "x$target_byte_order" = "xG_LITTLE_ENDIAN"; then
3203    AC_DEFINE(TARGET_BYTE_ORDER,G_LITTLE_ENDIAN,[byte order of target])
3204 else
3205    AC_DEFINE(TARGET_BYTE_ORDER,G_BYTE_ORDER,[byte order of target])
3206 fi
3207
3208 if test "x$have_visibility_hidden" = "xyes"; then
3209    AC_DEFINE(HAVE_VISIBILITY_HIDDEN, 1, [Support for the visibility ("hidden") attribute])
3210 fi
3211
3212 if test "x$have_deprecated" = "xyes"; then
3213    AC_DEFINE(HAVE_DEPRECATED, 1, [Support for the deprecated attribute])
3214 fi
3215
3216 dnl
3217 dnl Simple Generational checks (sgen)
3218 dnl
3219 if $sgen_supported; then
3220    build_sgen_default=yes
3221 else
3222    build_sgen_default=no
3223 fi
3224 SGEN_DEFINES=
3225 AC_ARG_WITH(sgen, [  --with-sgen=yes,no             Extra Generational GC, default=yes],[buildsgen=$with_sgen],[buildsgen=$build_sgen_default])
3226 if test x$buildsgen = xyes; then
3227    if $sgen_supported; then
3228        SGEN_DEFINES="-DHAVE_SGEN_GC -DHAVE_MOVING_COLLECTOR"
3229        gc_msg="sgen and $gc_msg"
3230    else
3231        buildsgen=no
3232        AC_MSG_WARN("Sgen is not supported on this platform")
3233    fi
3234 fi
3235 AC_SUBST(SGEN_DEFINES)
3236 AM_CONDITIONAL(SUPPORT_SGEN, test x$buildsgen = xyes)
3237
3238 jit_status="Building and using the JIT"
3239
3240 libsuffix=".so"
3241
3242 case "$host" in
3243      *-*-darwin*)
3244         libsuffix=".dylib"
3245         LIBC="libc.dylib"
3246         INTL="libintl.dylib"
3247         SQLITE="libsqlite.0.dylib"
3248         SQLITE3="libsqlite3.0.dylib"
3249         X11="libX11.dylib"
3250         GDKX11="libgdk-x11-2.0.dylib"
3251         GTKX11="libgtk-x11-2.0.dylib"
3252         ;;
3253      *-*-*netbsd*)
3254         LIBC="libc.so.12"
3255         INTL="libintl.so.0"
3256         ;;
3257      *-*-kfreebsd*-gnu)
3258         LIBC="libc.so.0.1"
3259         INTL="libc.so.0.1"
3260         X11="libX11.so.6"
3261         ;;
3262     *-*-*freebsd*)
3263         LIBC="libc.so"
3264         INTL="libintl.so"
3265         SQLITE="libsqlite.so"
3266         SQLITE3="libsqlite3.so"
3267         ;;
3268     *-*-*openbsd*)
3269         LIBC="libc.so"
3270         INTL="libintl.so"
3271         SQLITE="libsqlite.so"
3272         SQLITE3="libsqlite3.so"
3273         ;;
3274     *-*-*linux*)
3275         AC_PATH_X
3276         dlsearch_path=`(libtool --config ; echo eval echo \\$sys_lib_dlsearch_path_spec) | sh`
3277         AC_MSG_CHECKING(for the soname of libX11.so)
3278         for i in $x_libraries $dlsearch_path; do
3279                 for r in 4 5 6; do
3280                         if test -f $i/libX11.so.$r; then
3281                                 X11=libX11.so.$r
3282                                 AC_MSG_RESULT($X11)
3283                         fi
3284                 done
3285         done
3286
3287         if test "x$X11" = "xlibX11.so"; then
3288                 AC_MSG_WARN([Could not find libX11.so. Do you have X.org or XFree86 installed? Assuming libX11.so.6...]);
3289                 X11=libX11.so.6
3290         fi
3291         ;;
3292 esac
3293
3294
3295 AC_SUBST(libsuffix)
3296
3297 AC_ARG_WITH([libgdiplus],
3298         [  --with-libgdiplus=installed|sibling|<path>   Override the libgdiplus used for System.Drawing tests (defaults to installed)],
3299         [], [with_libgdiplus=installed])
3300
3301 # default install location
3302 libgdiplus_install_loc=libgdiplus${libsuffix}
3303 case $with_libgdiplus in
3304     no|installed)
3305     libgdiplus_loc=
3306     ;;
3307
3308     yes|sibling)
3309     libgdiplus_loc=`cd ../libgdiplus && pwd`/src/libgdiplus.la
3310     ;;
3311
3312     /*) # absolute path, assume it is an install location
3313     libgdiplus_loc=$with_libgdiplus
3314     libgdiplus_install_loc=$with_libgdiplus
3315     ;;
3316
3317     *)
3318     libgdiplus_loc=`pwd`/$with_libgdiplus
3319     ;;
3320 esac
3321 AC_SUBST([libgdiplus_loc])
3322 AC_SUBST([libgdiplus_install_loc])
3323
3324 AC_ARG_ENABLE(icall-symbol-map,[  --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
3325 if test "x$icall_symbol_map" = "xyes"; then
3326    AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
3327 fi
3328
3329 AC_ARG_ENABLE(icall-export,[  --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
3330 if test "x$icall_export" = "xyes"; then
3331    AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
3332 fi
3333
3334 AC_ARG_ENABLE(icall-tables,[  --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
3335 if test "x$icall_tables" = "xno"; then
3336    AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
3337 fi
3338
3339 if test "x$with_tls" = "x__thread"; then
3340         AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
3341         # Pass the information to libgc
3342         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
3343         AC_MSG_CHECKING(if the tls_model attribute is supported)
3344         AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
3345                 ], [
3346                         AC_MSG_RESULT(yes)
3347                         AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tls_model available])
3348                 ], [
3349                         AC_MSG_RESULT(no)
3350         ])
3351 fi
3352
3353 if test ${TARGET} = ARM; then
3354         dnl ******************************************
3355         dnl *** Check to see what FPU is available ***
3356         dnl ******************************************
3357         AC_MSG_CHECKING(which FPU to use)
3358
3359         #
3360         # This is a bit tricky:
3361         #
3362         # if (__ARM_PCS_VFP) {
3363         #       /* mfloat-abi=hard == VFP with hard ABI */
3364         # } elif (!__SOFTFP__) {
3365         #       /* mfloat-abi=softfp == VFP with soft ABI */
3366         # } else {
3367         #       /* mfloat-abi=soft == no VFP */
3368         # }
3369         #
3370         # The exception is iOS (w/ GCC) where none of the above
3371         # are defined (but iOS always uses the 'softfp' ABI).
3372         #
3373         # No support for FPA.
3374         #
3375
3376         fpu=NONE
3377
3378         # iOS GCC always uses the 'softfp' ABI.
3379         if test x"$GCC" = xyes && test x$platform_darwin = xyes; then
3380                 fpu=VFP
3381         fi
3382
3383         # Are we using the 'hard' ABI?
3384         if test x$fpu = xNONE; then
3385                 AC_TRY_COMPILE([], [
3386                         #ifndef __ARM_PCS_VFP
3387                         #error "Float ABI is not 'hard'"
3388                         #endif
3389                         return 0;
3390                 ], [
3391                         fpu=VFP_HARD
3392                 ], [
3393                         fpu=NONE
3394                 ])
3395         fi
3396
3397         # No 'hard' ABI. 'soft' or 'softfp'?
3398         if test x$fpu = xNONE; then
3399                 AC_TRY_COMPILE([], [
3400                         #ifdef __SOFTFP__
3401                         #error "Float ABI is not 'softfp'"
3402                         #endif
3403                         return 0;
3404                 ], [
3405                         fpu=VFP
3406                 ], [
3407                         fpu=NONE
3408                 ])
3409         fi
3410
3411         AC_MSG_RESULT($fpu)
3412         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu=1"
3413         unset fpu
3414
3415         dnl *********************************************
3416         dnl *** Check which ARM version(s) we can use ***
3417         dnl *********************************************
3418         AC_MSG_CHECKING(which ARM version to use)
3419
3420         AC_TRY_COMPILE([], [
3421                 #if !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) && !defined(__ARM_ARCH_5TEJ__)
3422                 #error Not on ARM v5.
3423                 #endif
3424                 return 0;
3425         ], [
3426                 arm_v5=yes
3427
3428                 arm_ver=ARMv5
3429         ], [])
3430
3431         AC_TRY_COMPILE([], [
3432                 #if !defined(__ARM_ARCH_6J__) && !defined(__ARM_ARCH_6ZK__) && !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6M__)
3433                 #error Not on ARM v6.
3434                 #endif
3435                 return 0;
3436         ], [
3437                 arm_v5=yes
3438                 arm_v6=yes
3439
3440                 arm_ver=ARMv6
3441         ], [])
3442
3443         AC_TRY_COMPILE([], [
3444                 #if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_7R__) && !defined(__ARM_ARCH_7EM__) && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7S__)
3445                 #error Not on ARM v7.
3446                 #endif
3447                 return 0;
3448         ], [
3449                 arm_v5=yes
3450                 arm_v6=yes
3451                 arm_v7=yes
3452
3453                 arm_ver=ARMv7
3454         ], [])
3455
3456         AC_MSG_RESULT($arm_ver)
3457
3458         if test x$arm_v5 = xyes; then
3459                 AC_DEFINE(HAVE_ARMV5, 1, [ARM v5])
3460                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV5=1"
3461         fi
3462
3463         if test x$arm_v6 = xyes; then
3464                 AC_DEFINE(HAVE_ARMV6, 1, [ARM v6])
3465                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV6=1"
3466         fi
3467
3468         if test x$arm_v7 = xyes; then
3469                 AC_DEFINE(HAVE_ARMV7, 1, [ARM v7])
3470                 CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC -DHAVE_ARMV7=1"
3471         fi
3472 fi
3473
3474 if test ${TARGET} = ARM; then
3475         if test "x${with_jumptables}" = "xyes"; then
3476                 AC_DEFINE(USE_JUMP_TABLES, 1, Use jump tables in JIT)
3477         fi
3478 fi
3479
3480 if test ${TARGET} = unknown; then
3481         CPPFLAGS="$CPPFLAGS -DNO_PORT"
3482         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
3483 fi
3484
3485 if test ${ACCESS_UNALIGNED} = no; then
3486         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
3487 fi
3488
3489 case "x$libgc" in
3490         xincluded)
3491                 # Pass CPPFLAGS to libgc configure
3492                 # We should use a separate variable for this to avoid passing useless and
3493                 # potentially problematic defines to libgc (like -D_FILE_OFFSET_BITS=64)
3494                 # This should be executed late so we pick up the final version of CPPFLAGS
3495                 # The problem with this approach, is that during a reconfigure, the main
3496                 # configure scripts gets invoked with these arguments, so we use separate
3497                 # variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
3498                 TMP_CPPFLAGS="$CPPFLAGS $CPPFLAGS_FOR_LIBGC"
3499                 if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
3500                         TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
3501                 fi
3502                 # Don't pass -finstrument-for-thread-suspension in,
3503                 # if these are instrumented it will be very bad news
3504                 # (infinite recursion, undefined parking behavior, etc)
3505                 TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
3506                 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
3507                 if test "x$support_boehm" = "xyes"; then
3508                         AC_CONFIG_SUBDIRS(libgc)
3509                 fi
3510                 ;;
3511 esac
3512
3513 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])
3514 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid assemblies (defaults to no)],     [], [with_monodroid=no])
3515 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no,only    If you want to build the MonoTouch assemblies (defaults to no)],     [], [with_monotouch=no])
3516 AC_ARG_WITH(xammac,    [  --with-xammac=yes,no,only       If you want to build the Xamarin.Mac assemblies (defaults to no)],   [], [with_xammac=no])
3517
3518 OPROFILE=no
3519 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
3520         if test x$with_oprofile != xno; then
3521             oprofile_include=$with_oprofile/include
3522             if test ! -f $oprofile_include/opagent.h; then
3523                   AC_MSG_ERROR([oprofile include file not found at $oprofile_include/opagent.h])
3524                 fi
3525             OPROFILE=yes
3526                 OPROFILE_CFLAGS="-I$oprofile_include"
3527             OPROFILE_LIBS="-L$with_oprofile/lib/oprofile -lopagent"
3528             AC_DEFINE(HAVE_OPROFILE,1,[Have oprofile support])
3529         fi
3530 ])
3531
3532 MALLOC_MEMPOOLS=no
3533 AC_ARG_WITH(malloc_mempools,[  --with-malloc-mempools=yes,no  Use malloc for each single mempool allocation (only for runtime debugging, defaults to no)],[
3534         if test x$with_malloc_mempools = xyes; then
3535                 MALLOC_MEMPOOLS=yes
3536                 AC_DEFINE(USE_MALLOC_FOR_MEMPOOLS,1,[Use malloc for each single mempool allocation])
3537         fi
3538 ])
3539
3540
3541 DISABLE_MCS_DOCS=no
3542 AC_ARG_WITH(mcs_docs,[  --with-mcs-docs=yes,no         If you want to build the documentation under mcs (defaults to yes)],[
3543         if test x$with_mcs_docs != xyes; then
3544                 DISABLE_MCS_DOCS=yes
3545         fi
3546 ])
3547 if test x$with_profile4_5 != xyes; then
3548         DISABLE_MCS_DOCS=yes
3549 fi
3550
3551 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)],[
3552         if test x$with_lazy_gc_thread_creation != xno ; then
3553                 AC_DEFINE(LAZY_GC_THREAD_CREATION,1,[Enable lazy gc thread creation by the embedding host.])
3554         fi
3555 ], [with_lazy_gc_thread_creation=no])
3556
3557 AC_ARG_WITH(cooperative_gc, [  --with-cooperative-gc=yes|no      Enable cooperative stop-the-world garbage collection (sgen only) (defaults to no)],[
3558         if test x$with_cooperative_gc != xno ; then
3559                 AC_DEFINE(USE_COOP_GC,1,[Enable cooperative stop-the-world garbage collection.])
3560         fi
3561 ], [with_cooperative_gc=no])
3562
3563 AC_CHECK_HEADER([malloc.h],
3564                 [AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1],
3565                         [Define to 1 if you have /usr/include/malloc.h.])],,)
3566
3567 if test x"$GCC" = xyes; then
3568         # Implicit function declarations are not 64 bit safe
3569         # Do this late, since this causes lots of configure tests to fail
3570         CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
3571         # jay has a lot of implicit declarations
3572         JAY_CFLAGS="-Wno-implicit-function-declaration"
3573 fi
3574
3575 # When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
3576 # instead of libmono-static.a
3577 if test "x$enable_shared" = "xno" -a "x$enable_executables" = "xyes"; then
3578    LIBMONO_LA=libmini-static.la
3579 else
3580    if test x$buildsgen = xyes; then
3581       LIBMONO_LA=libmonosgen-$API_VER.la
3582    else
3583       LIBMONO_LA=libmonoboehm-$API_VER.la
3584    fi
3585 fi
3586 AC_SUBST(LIBMONO_LA)
3587
3588 dnl
3589 dnl Consistency settings
3590 dnl
3591 if test x$cross_compiling = xyes -o x$enable_mcs_build = xno; then
3592    DISABLE_MCS_DOCS=yes
3593    with_profile4_5=no
3594    with_monodroid=no
3595    with_monotouch=no
3596    with_xammac=no
3597 fi
3598
3599 if test x$DISABLE_MCS_DOCS = xyes; then
3600    docs_dir=""
3601 else
3602    docs_dir=docs
3603 fi
3604 AC_SUBST(docs_dir)
3605
3606 ## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
3607 AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
3608
3609 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
3610 AC_SUBST(OPROFILE_CFLAGS)
3611 AC_SUBST(OPROFILE_LIBS)
3612
3613 libmono_ldflags="$libmono_ldflags $LIBS"
3614
3615 AM_CONDITIONAL(INSTALL_4_5, [test "x$with_profile4_5" = xyes])
3616 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" != "xno"])
3617 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" != "xno"])
3618 AM_CONDITIONAL(INSTALL_XAMMAC, [test "x$with_xammac" != "xno"])
3619 AM_CONDITIONAL(ONLY_MONOTOUCH, [test "x$with_monotouch" = "xonly"])
3620 AM_CONDITIONAL(ONLY_XAMMAC, [test "x$with_xammac" = "xonly"])
3621
3622 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
3623 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
3624 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
3625 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
3626 AM_CONDITIONAL(X86, test x$TARGET = xX86)
3627 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
3628 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
3629 AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
3630 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
3631 AM_CONDITIONAL(POWERPC64, test x$TARGET = xPOWERPC64)
3632 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
3633 AM_CONDITIONAL(ARM64, test x$TARGET = xARM64)
3634 AM_CONDITIONAL(S390X, test x$TARGET = xS390X)
3635 AM_CONDITIONAL(HOST_X86, test x$HOST = xX86)
3636 AM_CONDITIONAL(HOST_AMD64, test x$HOST = xAMD64)
3637 AM_CONDITIONAL(HOST_ARM, test x$HOST = xARM)
3638 AM_CONDITIONAL(HOST_ARM64, test x$HOST = xARM64)
3639 AM_CONDITIONAL(CROSS_COMPILE, test "x$host" != "x$target")
3640
3641 AM_CONDITIONAL(INCLUDED_LIBGC, test x$libgc = xincluded)
3642
3643 AC_SUBST(LIBC)
3644 AC_SUBST(INTL)
3645 AC_SUBST(SQLITE)
3646 AC_SUBST(SQLITE3)
3647 AC_SUBST(X11)
3648 AC_SUBST(GDKX11)
3649 AC_SUBST(GTKX11)
3650 AC_SUBST(XINERAMA)
3651 AC_DEFINE_UNQUOTED(ARCHITECTURE,"$arch_target",[The architecture this is running on])
3652 AC_SUBST(arch_target)
3653 AC_SUBST(CFLAGS)
3654 AC_SUBST(CPPFLAGS)
3655 AC_SUBST(LDFLAGS)
3656
3657 mono_build_root=`pwd`
3658 AC_SUBST(mono_build_root)
3659
3660 mono_runtime=mono/mini/mono
3661 AC_SUBST(mono_runtime)
3662
3663 mono_cfg_root=$mono_build_root/runtime
3664 if test x$host_win32 = xyes; then
3665   if test "x$cross_compiling" = "xno"; then
3666     mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
3667   else
3668     mono_cfg_dir=`echo $mono_cfg_root | tr '/' '\\'`\\etc
3669   fi
3670 else
3671   mono_cfg_dir=$mono_cfg_root/etc
3672 fi
3673 AC_SUBST(mono_cfg_dir)
3674
3675 AC_CONFIG_FILES([po/mcs/Makefile.in])
3676
3677 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
3678 AC_CONFIG_FILES([runtime/monodis-wrapper],[chmod +x runtime/monodis-wrapper])
3679
3680 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
3681 [   depth=../../../..
3682     case $srcdir in
3683     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3684     .) reldir=$depth ;;
3685     *) reldir=$depth/$srcdir ;;
3686     esac
3687     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
3688     cd runtime/etc/mono/1.0
3689     rm -f machine.config
3690     $LN_S $reldir/data/net_1_1/machine.config machine.config
3691     cd $depth
3692 ],[LN_S='$LN_S'])
3693
3694 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
3695 [   depth=../../../..
3696     case $srcdir in
3697     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3698     .) reldir=$depth ;;
3699     *) reldir=$depth/$srcdir ;;
3700     esac
3701     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3702     cd runtime/etc/mono/2.0
3703     rm -f machine.config
3704     $LN_S $reldir/data/net_2_0/machine.config machine.config
3705     cd $depth
3706 ],[LN_S='$LN_S'])
3707
3708 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/web.config],
3709 [   depth=../../../..
3710     case $srcdir in
3711     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3712     .) reldir=$depth ;;
3713     *) reldir=$depth/$srcdir ;;
3714     esac
3715     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
3716     cd runtime/etc/mono/2.0
3717     rm -f web.config
3718     $LN_S $reldir/data/net_2_0/web.config web.config
3719     cd $depth
3720 ],[LN_S='$LN_S'])
3721
3722 AC_CONFIG_COMMANDS([runtime/etc/mono/browscap.ini],
3723 [   depth=../../..
3724     case $srcdir in
3725     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3726     .) reldir=$depth ;;
3727     *) reldir=$depth/$srcdir ;;
3728     esac
3729     $ac_aux_dir/install-sh -d runtime/etc/mono/
3730     cd runtime/etc/mono/
3731     rm -f browscap.ini
3732     $LN_S $reldir/data/browscap.ini browscap.ini
3733     cd $depth
3734 ],[LN_S='$LN_S'])
3735
3736 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/Browsers/Compat.browser],
3737 [   depth=../../../../..
3738     case $srcdir in
3739     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3740     .) reldir=$depth ;;
3741     *) reldir=$depth/$srcdir ;;
3742     esac
3743     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0/Browsers/
3744     cd runtime/etc/mono/2.0/Browsers
3745     rm -f Compat.browser
3746     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3747     cd $depth
3748 ],[LN_S='$LN_S'])
3749
3750 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/Browsers/Compat.browser],
3751 [   depth=../../../../..
3752     case $srcdir in
3753     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3754     .) reldir=$depth ;;
3755     *) reldir=$depth/$srcdir ;;
3756     esac
3757     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0/Browsers/
3758     cd runtime/etc/mono/4.0/Browsers
3759     rm -f Compat.browser
3760     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3761     cd $depth
3762 ],[LN_S='$LN_S'])
3763
3764 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/Browsers/Compat.browser],
3765 [   depth=../../../../..
3766     case $srcdir in
3767     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3768     .) reldir=$depth ;;
3769     *) reldir=$depth/$srcdir ;;
3770     esac
3771     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5/Browsers/
3772     cd runtime/etc/mono/4.5/Browsers
3773     rm -f Compat.browser
3774     $LN_S $reldir/data/Browsers/Compat.browser Compat.browser
3775     cd $depth
3776 ],[LN_S='$LN_S'])
3777
3778 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/machine.config],
3779 [   depth=../../../..
3780     case $srcdir in
3781     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3782     .) reldir=$depth ;;
3783     *) reldir=$depth/$srcdir ;;
3784     esac
3785     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3786     cd runtime/etc/mono/4.0
3787     rm -f machine.config
3788     $LN_S $reldir/data/net_4_0/machine.config machine.config
3789     cd $depth
3790 ],[LN_S='$LN_S'])
3791
3792 AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
3793 [   depth=../../../..
3794     case $srcdir in
3795     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3796     .) reldir=$depth ;;
3797     *) reldir=$depth/$srcdir ;;
3798     esac
3799     $ac_aux_dir/install-sh -d runtime/etc/mono/4.0
3800     cd runtime/etc/mono/4.0
3801     rm -f web.config
3802     $LN_S $reldir/data/net_4_0/web.config web.config
3803     cd $depth
3804 ],[LN_S='$LN_S'])
3805
3806 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
3807 [   depth=../../../..
3808     case $srcdir in
3809     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3810     .) reldir=$depth ;;
3811     *) reldir=$depth/$srcdir ;;
3812     esac
3813     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3814     cd runtime/etc/mono/4.5
3815     rm -f machine.config
3816     $LN_S $reldir/data/net_4_5/machine.config machine.config
3817     cd $depth
3818 ],[LN_S='$LN_S'])
3819
3820 AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
3821 [   depth=../../../..
3822     case $srcdir in
3823     [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
3824     .) reldir=$depth ;;
3825     *) reldir=$depth/$srcdir ;;
3826     esac
3827     $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
3828     cd runtime/etc/mono/4.5
3829     rm -f web.config
3830     $LN_S $reldir/data/net_4_5/web.config web.config
3831     cd $depth
3832 ],[LN_S='$LN_S'])
3833
3834 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])
3835 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])
3836
3837 AC_OUTPUT([
3838 Makefile
3839 mono-uninstalled.pc
3840 scripts/mono-find-provides
3841 scripts/mono-find-requires
3842 mono/Makefile
3843 mono/utils/Makefile
3844 mono/metadata/Makefile
3845 mono/dis/Makefile
3846 mono/cil/Makefile
3847 mono/arch/Makefile
3848 mono/arch/x86/Makefile
3849 mono/arch/amd64/Makefile
3850 mono/arch/ppc/Makefile
3851 mono/arch/sparc/Makefile
3852 mono/arch/s390x/Makefile
3853 mono/arch/arm/Makefile
3854 mono/arch/arm64/Makefile
3855 mono/arch/ia64/Makefile
3856 mono/arch/mips/Makefile
3857 mono/tests/Makefile
3858 mono/tests/tests-config
3859 mono/tests/assemblyresolve/Makefile
3860 mono/tests/cas/Makefile
3861 mono/tests/cas/assembly/Makefile
3862 mono/tests/cas/demand/Makefile
3863 mono/tests/cas/inheritance/Makefile
3864 mono/tests/cas/linkdemand/Makefile
3865 mono/tests/cas/threads/Makefile
3866 mono/tests/gc-descriptors/Makefile
3867 mono/unit-tests/Makefile
3868 mono/benchmark/Makefile
3869 mono/io-layer/Makefile
3870 mono/mini/Makefile
3871 mono/profiler/Makefile
3872 m4/Makefile
3873 ikvm-native/Makefile
3874 scripts/Makefile
3875 man/Makefile
3876 docs/Makefile
3877 data/Makefile
3878 data/net_2_0/Makefile
3879 data/net_4_0/Makefile
3880 data/net_4_5/Makefile
3881 data/net_2_0/Browsers/Makefile
3882 data/net_4_0/Browsers/Makefile
3883 data/net_4_5/Browsers/Makefile
3884 data/mint.pc
3885 data/mono-2.pc
3886 data/monosgen-2.pc
3887 data/mono.pc
3888 data/mono-cairo.pc
3889 data/mono-nunit.pc
3890 data/mono-options.pc
3891 data/mono-lineeditor.pc
3892 data/monodoc.pc
3893 data/dotnet.pc
3894 data/dotnet35.pc
3895 data/wcf.pc
3896 data/cecil.pc
3897 data/system.web.extensions_1.0.pc
3898 data/system.web.extensions.design_1.0.pc
3899 data/system.web.mvc.pc
3900 data/system.web.mvc2.pc
3901 data/system.web.mvc3.pc
3902 data/aspnetwebstack.pc
3903 data/reactive.pc
3904 samples/Makefile
3905 support/Makefile
3906 data/config
3907 tools/Makefile
3908 tools/locale-builder/Makefile
3909 tools/sgen/Makefile
3910 tools/monograph/Makefile
3911 runtime/Makefile
3912 msvc/Makefile
3913 po/Makefile
3914 ])
3915
3916 # Update all submodules recursively to ensure everything is checked out
3917 $srcdir/scripts/update_submodules
3918
3919 if test x$host_win32 = xyes; then
3920    # Get rid of 'cyg' prefixes in library names
3921    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3922    # libtool seems to inherit -mno-cygwin from our CFLAGS, and uses it to compile its executable
3923    # wrapper scripts which use exec(). gcc has no problem compiling+linking this, but the resulting
3924    # executable doesn't work...
3925    sed -e "s,-mno-cygwin,,g" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
3926 fi
3927
3928 if test x$platform_darwin = xyes; then
3929    # This doesn't seem to be required and it slows down parallel builds
3930    sed -e 's,lock_old_archive_extraction=yes,lock_old_archive_extraction=no,g' < libtool > libtool.new && mv libtool.new libtool && chmod +x libtool
3931 fi
3932
3933 (
3934   case $prefix in
3935   NONE) prefix=$ac_default_prefix ;;
3936   esac
3937   case $exec_prefix in
3938   NONE) exec_prefix='${prefix}' ;;
3939   esac
3940
3941   #
3942   # If we are cross compiling, we don't build in the mcs/ tree.  Let us not clobber
3943   # any existing config.make.  This allows people to share the same source tree
3944   # with different build directories, one native and one cross
3945   #
3946   if test x$cross_compiling = xno && test x$enable_mcs_build != xno; then
3947
3948     test -w $mcs_topdir/build || chmod +w $mcs_topdir/build
3949
3950     echo "prefix=$prefix" > $mcs_topdir/build/config.make
3951     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
3952     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
3953     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
3954     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
3955     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
3956     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
3957     echo "JAY_CFLAGS = $JAY_CFLAGS" >> $mcs_topdir/build/config.make
3958
3959     case $INSTALL in
3960     [[\\/$]]* | ?:[[\\/]]* ) mcs_INSTALL=$INSTALL ;;
3961     *) mcs_INSTALL=$mono_build_root/$INSTALL ;;
3962     esac
3963
3964     echo "INSTALL = $mcs_INSTALL" >> $mcs_topdir/build/config.make
3965
3966     export VERSION
3967     [myver=$($AWK 'BEGIN {
3968       split (ENVIRON["VERSION"] ".0.0.0", vsplit, ".")
3969       if(length(vsplit [1]) > 4) {
3970         split (substr(ENVIRON["VERSION"], 0, 4) "." substr(ENVIRON["VERSION"], 5) ".0.0", vsplit, ".")
3971       }
3972       print vsplit [1] "." vsplit [2] "." vsplit [3] "." vsplit [4]
3973     }')]
3974
3975     echo "MONO_VERSION = $myver" >> $mcs_topdir/build/config.make
3976
3977     if test x$platform_darwin = xyes; then
3978       echo "PLATFORM = darwin" >> $mcs_topdir/build/config.make
3979     fi
3980
3981         if test x$AOT_SUPPORTED = xyes -a x$enable_system_aot = xdefault; then
3982            enable_system_aot=yes
3983         fi
3984
3985     if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
3986       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
3987     fi
3988
3989     if test x$DISABLE_MCS_DOCS = xyes; then
3990       echo "DISABLE_MCS_DOCS = yes" >> $mcs_topdir/build/config.make
3991     fi
3992
3993     if test x$has_extension_module != xno; then
3994         echo "EXTENSION_MODULE = 1" >> $srcdir/$mcsdir/build/config.make
3995     fi
3996
3997         default_profile=net_4_5
3998     if test -z "$INSTALL_MONODROID_TRUE"; then :
3999                 default_profile=monodroid
4000     fi
4001     if test -z "$INSTALL_MONOTOUCH_TRUE"; then :
4002                 default_profile=monotouch
4003     fi
4004         if test -z "$INSTALL_XAMMAC_TRUE"; then :
4005                 default_profile=xammac
4006         fi
4007     if test -z "$INSTALL_4_5_TRUE"; then :
4008                 default_profile=net_4_5
4009     fi
4010
4011     echo "DEFAULT_PROFILE = $default_profile" >> $srcdir/$mcsdir/build/config.make
4012
4013     if test "x$test_bcl_opt" = "xyes"; then
4014       echo "BCL_OPTIMIZE = 1" >> $srcdir/$mcsdir/build/config.make
4015     fi
4016
4017   fi
4018
4019 )
4020
4021 libgdiplus_msg=${libgdiplus_loc:-assumed to be installed}
4022
4023 echo "
4024         mcs source:    $mcsdir
4025
4026    Engine:
4027         Host:          $host
4028         Target:        $target
4029         GC:            $gc_msg
4030         TLS:           $with_tls
4031         SIGALTSTACK:   $with_sigaltstack
4032         Engine:        $jit_status
4033         oprofile:      $OPROFILE
4034         BigArrays:     $enable_big_arrays
4035         DTrace:        $enable_dtrace
4036         LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
4037
4038    Libraries:
4039         .NET 4.5:      $with_profile4_5
4040         MonoDroid:     $with_monodroid
4041         MonoTouch:     $with_monotouch
4042         Xamarin.Mac:   $with_xammac
4043         JNI support:   $jdk_headers_found
4044         libgdiplus:    $libgdiplus_msg
4045         zlib:          $zlib_msg
4046         $disabled
4047 "
4048 if test x$with_static_mono = xno -a "x$host_win32" != "xyes"; then
4049    AC_MSG_WARN(Turning off static Mono is a risk, you might run into unexpected bugs)
4050 fi