configure.in

   1 AC_INIT(README)
   2 AC_CANONICAL_SYSTEM
   3
   4 # Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
   5 # The extra brackets are to foil regex-based scans.
   6 m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
   7
   8 AM_CONFIG_HEADER(config.h)
   9 AM_INIT_AUTOMAKE(mono,1.1.3)
  10 AM_MAINTAINER_MODE
  11
  12 AC_PROG_LN_S
  13
  14 # In case of cygwin, override LN_S, irrespective of what it determines.
  15 # The build uses cygwin, but the actual runtime doesn't.
  16 case $host_os in
  17 *cygwin* ) LN_S='cp -p';;
  18 esac
  19
  20
  21 dnl
  22 dnl libgc checks
  23 dnl
  24
  25 gc_headers=no
  26 gc=included
  27 use_included_gc=no
  28
  29 if test -d $srcdir/libgc ; then
  30   gc_default=included
  31 else
  32   gc_default=boehm
  33 fi
  34
  35 #
  36 # These are the flags that need to be stored in the mono.pc file for
  37 # compiling code that will embed Mono
  38 #
  39 libmono_cflags=""
  40 libmono_ldflags=""
  41 AC_SUBST(libmono_cflags)
  42 AC_SUBST(libmono_ldflags)
  43
  44 dnl if linker handles the version script
  45 no_version_script=no
  46
  47 # Set to yes if Unix sockets cannot be created in an anonymous namespace
  48 need_link_unlink=no
  49
  50 # Thread configuration inspired by sleepycat's db
  51 AC_MSG_CHECKING([host platform characteristics])
  52 libgc_threads=no
  53 case "$host" in
  54         *-*-mingw*|*-*-cygwin*)
  55                 platform_win32=yes
  56                 AC_DEFINE(PLATFORM_WIN32,1,[Platform is Win32])
  57                 CC="gcc -mno-cygwin -g"
  58                 HOST_CC="gcc"
  59                 # So libgc configure gets -mno-cygwin
  60                 export CC
  61 # latest libgc already defines GC_WIN32_THREADS
  62 #               CPPFLAGS="$CPPFLAGS -DGC_WIN32_THREADS -DWIN32_THREADS"
  63                 CPPFLAGS="$CPPFLAGS -DWIN32_THREADS"
  64                 libdl=
  65                 libgc_threads=win32
  66                 gc_default=included
  67                 with_nptl=default
  68                 with_sigaltstack=no
  69                 LN_S=cp
  70                 ;;
  71         *-*-*netbsd*)
  72                 platform_win32=no
  73                 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
  74                 libmono_cflags="-D_REENTRANT"
  75                 LDFLAGS="$LDFLAGS -pthread"
  76                 libmono_ldflags="-pthread"
  77                 need_link_unlink=yes
  78                 libdl=
  79                 libgc_threads=no
  80                 ;;
  81 # these flags will work for all versions of -STABLE
  82 #
  83         *-*-*freebsd4*)
  84                 platform_win32=no
  85                 if test "x$PTHREAD_CFLAGS" = "x"; then
  86                         CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
  87                         libmono_cflags="-D_THREAD_SAFE"
  88                 else
  89                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
  90                         libmono_cflags="$PTHREAD_CFLAGS"
  91                 fi
  92                 if test "x$PTHREAD_LIBS" = "x"; then
  93                         LDFLAGS="$LDFLAGS -pthread"
  94                         libmono_ldflags="-pthread"
  95                 else
  96                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
  97                         libmono_ldflags="$PTHREAD_LIBS"
  98                 fi
  99                 need_link_unlink=yes
 100                 AC_DEFINE(PTHREAD_POINTER_ID)
 101                 libdl=
 102                 libgc_threads=pthreads
 103 # TLS isn't implemented at all on -STABLE
 104                 with_nptl=no
 105                 with_tls=pthread
 106                 ;;
 107 # older versions of -CURRENT will break with these flags but testing
 108 # indicates these older versions won't run Mono anyway
 109 #
 110         *-*-*freebsd5*)
 111                 platform_win32=no
 112                 if test "x$PTHREAD_CFLAGS" = "x"; then
 113                         CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
 114                         libmono_cflags=
 115                 else
 116                         CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
 117                         libmono_cflags="$PTHREAD_CFLAGS"
 118                 fi
 119                 if test "x$PTHREAD_LIBS" = "x"; then
 120                         LDFLAGS="$LDFLAGS -lpthread"
 121                         libmono_ldflags="-lpthread"
 122                 else
 123                         LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
 124                         libmono_ldflags="$PTHREAD_LIBS"
 125                 fi
 126                 need_link_unlink=yes
 127                 AC_DEFINE(PTHREAD_POINTER_ID)
 128                 libdl=
 129                 libgc_threads=pthreads
 130 # TLS is only partially implemented on -CURRENT (compiler support
 131 # but NOT library support)
 132 #
 133                 with_nptl=no
 134                 with_tls=pthread
 135                 ;;
 136         *-*-*openbsd*)
 137                 platform_win32=no
 138                 CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_FREEBSD_THREADS"
 139                 libmono_cflags="-D_THREAD_SAFE"
 140                 LDFLAGS="$LDFLAGS -pthread"
 141                 libmono_ldflags="-pthread"
 142                 need_link_unlink=yes
 143                 AC_DEFINE(PTHREAD_POINTER_ID)
 144                 libdl=
 145                 libgc_threads=pthreads
 146                 ;;
 147         *-*-linux*)
 148                 platform_win32=no
 149                 CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT"
 150                 libmono_cflags="-D_REENTRANT"
 151                 libmono_ldflags="-lpthread"
 152                 libdl="-ldl"
 153                 libgc_threads=pthreads
 154                 ;;
 155         *-*-hpux*)
 156                 platform_win32=no
 157                 CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
 158                 CFLAGS="$CFLAGS +ESdbgasm"
 159                 LDFLAGS="$LDFLAGS -z"
 160                 libmono_cflags="-D_REENTRANT"
 161                 libmono_ldflags="-lpthread"
 162                 libgc_threads=pthreads
 163                 need_link_unlink=yes
 164                 ;;
 165         *-*-solaris*)
 166                 platform_win32=no
 167                 CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT"
 168                 need_link_unlink=yes
 169                 libmono_cflags="-D_REENTRANT"
 170                 libgc_threads=pthreads
 171                 ;;
 172         *-*-darwin*)
 173                 platform_win32=no
 174                 CPPFLAGS="$CPPFLAGS -no-cpp-precomp -D_THREAD_SAFE -DGC_MACOSX_THREADS"
 175                 libmono_cflags="-D_THREAD_SAFE"
 176                 LDFLAGS="$LDFLAGS -pthread"
 177                 libmono_ldflags="-pthread"
 178                 need_link_unlink=yes
 179                 AC_DEFINE(PTHREAD_POINTER_ID)
 180                 AC_DEFINE(USE_MACH_SEMA)
 181                 no_version_script=yes
 182                 libdl=
 183                 libgc_threads=pthreads
 184                 ;;
 185         *)
 186                 AC_MSG_WARN([*** Please add $host to configure.in checks!])
 187                 platform_win32=no
 188                 libdl="-ldl"
 189                 ;;
 190 esac
 191 AC_MSG_RESULT(ok)
 192
 193 if test x$need_link_unlink = xyes; then
 194    AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
 195 fi
 196
 197 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
 198
 199 AC_CHECK_TOOL(CC, gcc, gcc)
 200 AC_PROG_CC
 201 AM_PROG_CC_STDC
 202 AC_PROG_INSTALL
 203 dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
 204 : ${CCAS='$(CC)'}
 205 # Set ASFLAGS if not already set.
 206 : ${CCASFLAGS='$(CFLAGS)'}
 207 AC_SUBST(CCAS)
 208 AC_SUBST(CCASFLAGS)
 209
 210 AC_CHECK_PROG(BISON, bison,yes,no)
 211 if test "x$BISON" = "xno";
 212 then
 213         AC_MSG_ERROR([You need to install bison])
 214 fi
 215
 216 dnl may require a specific autoconf version
 217 dnl AC_PROG_CC_FOR_BUILD
 218 dnl CC_FOR_BUILD not automatically detected
 219 CC_FOR_BUILD=$CC
 220 BUILD_EXEEXT=
 221 if test "x$cross_compiling" = "xyes"; then
 222         CC_FOR_BUILD=cc
 223         BUILD_EXEEXT=""
 224 fi
 225 AC_SUBST(CC_FOR_BUILD)
 226 AC_SUBST(HOST_CC)
 227 AC_SUBST(BUILD_EXEEXT)
 228
 229 # Set STDC_HEADERS
 230 AC_HEADER_STDC
 231 AC_LIBTOOL_WIN32_DLL
 232 AM_PROG_LIBTOOL
 233
 234 # Test whenever ld supports -version-script
 235 AC_PROG_LD
 236 AC_PROG_LD_GNU
 237 if test "x$lt_cv_prog_gnu_ld" = "xno"; then
 238    no_version_script=yes
 239 fi
 240
 241 AM_CONDITIONAL(NO_VERSION_SCRIPT, test x$no_version_script = xyes)
 242
 243 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h)
 244
 245 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 246
 247 AM_CONDITIONAL(HAVE_ZLIB, test x$have_zlib = xyes)
 248
 249 # for mono/metadata/debug-symfile.c
 250 AC_CHECK_HEADERS(elf.h)
 251
 252 # for mono/dis
 253 AC_CHECK_HEADERS(wchar.h)
 254 AC_CHECK_HEADERS(ieeefp.h)
 255 AC_MSG_CHECKING(for isinf)
 256 AC_TRY_COMPILE([#include <math.h>], [
 257         int f = isinf (1);
 258 ], [
 259         AC_MSG_RESULT(yes)
 260         AC_DEFINE(HAVE_ISINF, 1, [isinf available])
 261 ], [
 262         # We'll have to use signals
 263         AC_MSG_RESULT(no)
 264 ])
 265
 266
 267 # not 64 bit clean in cross-compile
 268 AC_CHECK_SIZEOF(void *, 4)
 269
 270 WARN=''
 271 if test x"$GCC" = xyes; then
 272         WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
 273                 # The runtime code does not respect ANSI C strict aliasing rules
 274                 CFLAGS="$CFLAGS -fno-strict-aliasing"
 275 else
 276         # The Sun Forte compiler complains about inline functions that access static variables
 277         # so disable all inlining.
 278         case "$host" in
 279         *-*-solaris*)
 280                 CFLAGS="$CFLAGS -Dinline="
 281                 ;;
 282         esac
 283 fi
 284 CFLAGS="$CFLAGS -g $WARN"
 285
 286 # Where's the 'mcs' source tree?
 287 if test -d $srcdir/mcs; then
 288   mcsdir=mcs
 289 else
 290   mcsdir=../mcs
 291 fi
 292
 293 mcs_topdir='$(top_srcdir)/'$mcsdir
 294 mcs_topdir_from_srcdir='$(top_builddir)/'$mcsdir
 295
 296 AC_SUBST([mcs_topdir])
 297 AC_SUBST([mcs_topdir_from_srcdir])
 298
 299 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 300 if test "x$PKG_CONFIG" = "xno"; then
 301         AC_MSG_ERROR([You need to install pkg-config])
 302 fi
 303
 304 dnl for use on the build system
 305 dnl pkg-config is stupid
 306 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 307 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 308 AC_SUBST(BUILD_GLIB_CFLAGS)
 309 AC_SUBST(BUILD_GLIB_LIBS)
 310
 311 PKG_PATH=
 312 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
 313         if test x$with_crosspkgdir = "x"; then
 314                 if test -s $PKG_CONFIG_PATH; then
 315                         PKG_PATH=$PKG_CONFIG_PATH
 316                 fi
 317         else
 318                 PKG_PATH=$with_crosspkgdir
 319                 PKG_CONFIG_PATH=$PKG_PATH
 320                 export PKG_CONFIG_PATH
 321         fi
 322 )
 323
 324 ## Versions of dependencies
 325 GLIB_REQUIRED_VERSION=1.3.11
 326
 327 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
 328
 329 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0 gthread-2.0`
 330 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0 gthread-2.0`
 331 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
 332 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
 333
 334 AC_SUBST(GLIB_CFLAGS)
 335 AC_SUBST(GLIB_LIBS)
 336 AC_SUBST(GMODULE_CFLAGS)
 337 AC_SUBST(GMODULE_LIBS)
 338
 339 if test x$platform_win32 = xyes; then
 340    AC_MSG_CHECKING(for cygwin glib2-dev package)
 341    if [ cygcheck --f /usr/lib/libglib-2.0.dll.a | grep -q glib2-devel ]; then
 342       AC_MSG_RESULT(found)
 343           AC_MSG_ERROR([Mono cannot be built with the cygwin glib2-devel package installed, because that package doesn't work with -mno-cygwin. Please uninstall it then re-run configure.])
 344    else
 345       AC_MSG_RESULT(not found, ok)
 346    fi
 347
 348    AC_MSG_CHECKING(for broken gwin32.h)
 349    glib_include=`$PKG_CONFIG --cflags-only-I glib-2.0 | sed -e 's/ -I.*//g' | sed -e 's/-I//g'`
 350    if test -f $glib_include/glib/gwin32.h; then
 351           if [ grep ftruncate $glib_include/glib/gwin32.h | grep -q define ]; then
 352                  AC_MSG_RESULT(failed)
 353                  hashmark='#'
 354                  AC_MSG_ERROR([Your version of gwin32.h is broken and will cause compilation errors when building mono. Please fix it by deleting the line: '$hashmark   define ftruncate...' from '$glib_include/glib/gwin32.h' then re-run configure.])
 355           fi
 356    fi
 357    AC_MSG_RESULT(ok)
 358 fi
 359
 360 AC_ARG_WITH(gc, [  --with-gc=boehm,included,none],[gc=$with_gc],[gc=$gc_default])
 361
 362 # Enable support for fast thread-local storage
 363 # Some systems have broken support, so we allow to disable it.
 364 AC_ARG_WITH(tls, [  --with-tls=__thread,pthread       select Thread Local Storage implementation],[],[with_tls=__thread])
 365
 366 # Kept for compatibility
 367 AC_ARG_WITH(nptl, [  --with-nptl=yes,no      deprecated, use --with-tls instead],[],[with_nptl=default])
 368
 369 if test "x$with_nptl" != "xdefault"; then
 370    if test "x$with_nptl" = "xyes"; then
 371       AC_MSG_WARN([--with-nptl=yes is deprecated, use --with-tls=__thread option instead.])
 372           with_tls=__thread
 373    fi
 374    if test "x$with_nptl" = "xno"; then
 375       AC_MSG_WARN([--with-nptl=no is deprecated, use --with-tls=pthread option instead.])
 376           with_tls=pthread
 377    fi
 378 fi
 379
 380 # Enable support for using sigaltstack for SIGSEGV and stack overflow handling
 381 # This does not work on some platforms (bug #55253)
 382 AC_ARG_WITH(sigaltstack, [  --with-sigaltstack=yes,no      enable/disable support for sigaltstack],[],[with_sigaltstack=no])
 383
 384 AC_ARG_WITH(static_mono, [  --with-static_mono=yes,no      link mono statically to libmono (faster)],[],[with_static_mono=yes])
 385
 386 if test "x$enable_static" = "xno"; then
 387    with_static_mono=no
 388 fi
 389
 390 AM_CONDITIONAL(STATIC_MONO, test x$with_static_mono != xno)
 391
 392 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
 393   LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug, reflection_emit.],
 394 [
 395         for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 396                 eval "mono_feature_disable_$feature='yes'"
 397                 AC_MSG_NOTICE([Disabled support for feature: $feature])
 398         done
 399         disabled="Disabled:    $enable_minimal"
 400 ],[])
 401
 402 if test "x$mono_feature_disable_aot" = "xyes"; then
 403         AC_DEFINE(DISABLE_AOT, 1, [Disable AOT support])
 404 fi
 405
 406 if test "x$mono_feature_disable_profiler" = "xyes"; then
 407         AC_DEFINE(DISABLE_PROFILER, 1, [Disable default profiler support])
 408 fi
 409
 410 if test "x$mono_feature_disable_decimal" = "xyes"; then
 411         AC_DEFINE(DISABLE_DECIMAL, 1, [Disable System.Decimal support])
 412 fi
 413
 414 if test "x$mono_feature_disable_pinvoke" = "xyes"; then
 415         AC_DEFINE(DISABLE_PINVOKE, 1, [Disable P/Invoke support])
 416 fi
 417
 418 if test "x$mono_feature_disable_debug" = "xyes"; then
 419         AC_DEFINE(DISABLE_DEBUG, 1, [Disable runtime debugging support])
 420 fi
 421
 422 if test "x$mono_feature_disable_reflection_emit" = "xyes"; then
 423         AC_DEFINE(DISABLE_REFLECTION_EMIT, 1, [Disable reflection emit support])
 424 fi
 425
 426 LIBGC_CFLAGS=
 427 LIBGC_LIBS=
 428 LIBGC_STATIC_LIBS=
 429 libgc_dir=
 430 case "x$gc" in
 431         xboehm|xbohem|xyes)
 432                 AC_CHECK_HEADERS(gc.h gc/gc.h, gc_headers=yes)
 433                 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes",,$libdl)
 434
 435                 if test "x$found_boehm" != "xyes"; then
 436                         AC_MSG_ERROR("GC requested but libgc not found! Install libgc or run configure with --with-gc=none.")
 437                 fi
 438                 if test "x$gc_headers" != "xyes"; then
 439                         AC_MSG_ERROR("GC requested but header files not found! You may need to install them by hand.")
 440                 fi
 441
 442                 AC_DEFINE(HAVE_BOEHM_GC)
 443                 AC_SUBST(HAVE_BOEHM_GC)
 444                 LIBGC_LIBS="-lgc $libdl"
 445                 LIBGC_STATIC_LIBS="$LIBGC_LIBS"
 446
 447                 # AC_CHECK_FUNCS does not work for some reason...
 448                 AC_CHECK_LIB(gc, GC_gcj_malloc, found_gcj_malloc="yes",,$libdl)
 449                 if test "x$found_gcj_malloc" = "xyes"; then
 450                         AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 451                 fi
 452                 AC_CHECK_LIB(gc, GC_enable, found_gc_enable="yes",,$libdl)
 453                 if test "x$found_gc_enable" = "xyes"; then
 454                         AC_DEFINE(HAVE_GC_ENABLE)
 455                 fi
 456                 ;;
 457
 458         xincluded)
 459                 AC_CONFIG_SUBDIRS(libgc)
 460
 461                 found_boehm=yes
 462                 gc_headers=yes
 463                 use_included_gc=yes
 464                 libgc_dir=libgc
 465
 466                 LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
 467                 LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 468                 LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 469
 470                 AC_DEFINE(HAVE_BOEHM_GC)
 471                 AC_SUBST(HAVE_BOEHM_GC)
 472
 473                 AC_DEFINE(HAVE_GC_H)
 474                 AC_DEFINE(USE_INCLUDED_LIBGC)
 475
 476                 # The included libgc contains GCJ support
 477                 AC_DEFINE(HAVE_GC_GCJ_MALLOC)
 478                 AC_DEFINE(HAVE_GC_ENABLE)
 479                 ;;
 480
 481         xnone)
 482                 AC_MSG_WARN("Compiling mono without GC.")
 483                 ;;
 484         *)
 485                 AC_MSG_ERROR([Invalid argument to --with-gc.])
 486                 ;;
 487 esac
 488
 489
 490 # tell libgc/configure about what we want
 491 ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads"
 492
 493 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
 494 AC_SUBST(LIBGC_CFLAGS)
 495 AC_SUBST(LIBGC_LIBS)
 496 AC_SUBST(LIBGC_STATIC_LIBS)
 497 AC_SUBST(libgc_dir)
 498
 499 dnl
 500 dnl End of libgc checks
 501 dnl
 502
 503 if test x$platform_win32 = xno; then
 504
 505         dnl ******************************************************************
 506         dnl *** Checks for the IKVM JNI interface library                  ***
 507         dnl ******************************************************************
 508         AC_ARG_WITH(ikvm-jni, [  --with-ikvm-jni=yes,no  build the IKVM JNI interface library],[with_ikvm_jni=$withval],[with_ikvm_jni=yes])
 509         AC_ARG_WITH(jdk, [  --with-jdk=DIRECTORY    Use JDK from DIRECTORY],[with_jdk_dir=$withval],[with_jdk_dir=])
 510
 511         ikvm_jni_dir=
 512         if test x$with_ikvm_jni = xyes; then
 513                 AC_MSG_CHECKING([JDK headers])
 514
 515                 if test x$with_jdk_dir = x; then
 516                         # Try JAVA_HOME variable
 517                         if test x$JAVA_HOME != x; then
 518                                 with_jdk_dir=$JAVA_HOME
 519                         fi
 520                 fi
 521
 522                 jdk_platform=
 523                 if test -d $with_jdk_dir/include; then
 524                         jdk_headers_found=yes
 525
 526                         if test -d $with_jdk_dir/include/linux; then
 527                                 jdk_platform=linux
 528                         else
 529                         if test -d $with_jdk_dir/include/solaris; then
 530                                 jdk_platform=solaris
 531                         else
 532                         if test -f $with_jdk_dir/include/jni_md.h; then
 533                                 # GNU Classpath sources
 534                                 jdk_platform=
 535                         else
 536                                 jdk_headers_found=no
 537                         fi
 538                         fi
 539                         fi
 540                 else
 541                         jdk_headers_found=no
 542                 fi
 543
 544                 if test x$jdk_headers_found = xyes; then
 545                         AC_MSG_RESULT($with_jdk_dir/include $with_jdk_dir/include/$jdk_platform)
 546                 else
 547                         AC_MSG_RESULT(not found)
 548                 fi
 549
 550                 if test x$jdk_headers_found = xyes; then
 551                         ikvm_jni_dir=ikvm-jni
 552                         IKVM_JNI_CFLAGS="-I$with_jdk_dir/include -I$with_jdk_dir/include/$jdk_platform"
 553                 fi
 554         fi
 555
 556         AC_SUBST(ikvm_jni_dir)
 557         AC_SUBST(IKVM_JNI_CFLAGS)
 558
 559         AC_CHECK_FUNCS(getgrgid_r)
 560         AC_CHECK_FUNCS(getgrnam_r)
 561         AC_CHECK_FUNCS(getpwnam_r)
 562         AC_CHECK_FUNCS(getpwuid_r)
 563         AC_CHECK_FUNCS(getresuid)
 564         AC_CHECK_FUNCS(setresuid)
 565         AC_CHECK_FUNCS(kqueue)
 566
 567         dnl ******************************************************************
 568         dnl *** Check for large file support                               ***
 569         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 570         dnl ******************************************************************
 571
 572         # Check that off_t can represent 2**63 - 1 correctly, working around
 573         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 574         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 575         large_offt=no
 576         AC_DEFUN(LARGE_FILES, [
 577                 large_CPPFLAGS=$CPPFLAGS
 578                 CPPFLAGS="$CPPFLAGS $1"
 579                 AC_TRY_RUN([
 580                         #include <sys/types.h>
 581
 582                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 583
 584                         int main(void) {
 585                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 586                                                (BIG_OFF_T%2147483647==1));
 587                                 if(big_off_t) {
 588                                         exit(0);
 589                                 } else {
 590                                         exit(1);
 591                                 }
 592                         }
 593                 ], [
 594                         AC_MSG_RESULT(ok)
 595                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 596                         large_CPPFLAGS="$large_CPPFLAGS $1"
 597                         large_offt=yes
 598                 ], [
 599                         AC_MSG_RESULT(no)
 600                 ], "")
 601                 CPPFLAGS=$large_CPPFLAGS
 602         ])
 603
 604         AC_MSG_CHECKING(if off_t is 64 bits wide)
 605         LARGE_FILES("")
 606         if test $large_offt = no; then
 607                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 608                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 609         fi
 610         if test $large_offt = no; then
 611                 AC_MSG_WARN([No 64 bit file size support available])
 612         fi
 613
 614         dnl *****************************
 615         dnl *** Checks for libsocket  ***
 616         dnl *****************************
 617         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 618
 619         dnl *******************************
 620         dnl *** Checks for MSG_NOSIGNAL ***
 621         dnl *******************************
 622         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 623         AC_TRY_COMPILE([#include <sys/socket.h>], [
 624                 int f = MSG_NOSIGNAL;
 625         ], [
 626                 # Yes, we have it...
 627                 AC_MSG_RESULT(yes)
 628                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 629         ], [
 630                 # We'll have to use signals
 631                 AC_MSG_RESULT(no)
 632         ])
 633
 634         dnl *****************************
 635         dnl *** Checks for SOL_IP     ***
 636         dnl *****************************
 637         AC_MSG_CHECKING(for SOL_IP)
 638         AC_TRY_COMPILE([#include <netdb.h>], [
 639                 int level = SOL_IP;
 640         ], [
 641                 # Yes, we have it...
 642                 AC_MSG_RESULT(yes)
 643                 AC_DEFINE(HAVE_SOL_IP)
 644         ], [
 645                 # We'll have to use getprotobyname
 646                 AC_MSG_RESULT(no)
 647         ])
 648
 649         dnl *****************************
 650         dnl *** Checks for SOL_IPV6     ***
 651         dnl *****************************
 652         AC_MSG_CHECKING(for SOL_IPV6)
 653         AC_TRY_COMPILE([#include <netdb.h>], [
 654                 int level = SOL_IPV6;
 655         ], [
 656                 # Yes, we have it...
 657                 AC_MSG_RESULT(yes)
 658                 AC_DEFINE(HAVE_SOL_IPV6)
 659         ], [
 660                 # We'll have to use getprotobyname
 661                 AC_MSG_RESULT(no)
 662         ])
 663
 664         dnl *****************************
 665         dnl *** Checks for SOL_TCP    ***
 666         dnl *****************************
 667         AC_MSG_CHECKING(for SOL_TCP)
 668         AC_TRY_COMPILE([#include <netdb.h>], [
 669                 int level = SOL_TCP;
 670         ], [
 671                 # Yes, we have it...
 672                 AC_MSG_RESULT(yes)
 673                 AC_DEFINE(HAVE_SOL_TCP)
 674         ], [
 675                 # We'll have to use getprotobyname
 676                 AC_MSG_RESULT(no)
 677         ])
 678
 679         dnl *****************************
 680         dnl *** Checks for IP_PKTINFO ***
 681         dnl *****************************
 682         AC_MSG_CHECKING(for IP_PKTINFO)
 683         AC_TRY_COMPILE([#include <netdb.h>], [
 684                 int level = IP_PKTINFO;
 685         ], [
 686                 # Yes, we have it...
 687                 AC_MSG_RESULT(yes)
 688                 AC_DEFINE(HAVE_IP_PKTINFO)
 689         ], [
 690                 AC_MSG_RESULT(no)
 691         ])
 692
 693         dnl *********************************
 694         dnl *** Check for struct ip_mreqn ***
 695         dnl *********************************
 696         AC_MSG_CHECKING(for struct ip_mreqn)
 697         AC_TRY_COMPILE([#include <netinet/in.h>], [
 698                 struct ip_mreqn mreq;
 699                 mreq.imr_address.s_addr = 0;
 700         ], [
 701                 # Yes, we have it...
 702                 AC_MSG_RESULT(yes)
 703                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 704         ], [
 705                 # We'll just have to try and use struct ip_mreq
 706                 AC_MSG_RESULT(no)
 707                 AC_MSG_CHECKING(for struct ip_mreq)
 708                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 709                         struct ip_mreq mreq;
 710                         mreq.imr_interface.s_addr = 0;
 711                 ], [
 712                         # Yes, we have it...
 713                         AC_MSG_RESULT(yes)
 714                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 715                 ], [
 716                         # No multicast support
 717                         AC_MSG_RESULT(no)
 718                 ])
 719         ])
 720
 721         dnl **********************************
 722         dnl *** Check for gethostbyname2_r ***
 723         dnl **********************************
 724         AC_MSG_CHECKING(for gethostbyname2_r)
 725                 AC_TRY_LINK([#include <netdb.h>], [
 726                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 727         ], [
 728                 # Yes, we have it...
 729                 AC_MSG_RESULT(yes)
 730                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 731         ], [
 732                 AC_MSG_RESULT(no)
 733         ])
 734
 735         dnl *****************************
 736         dnl *** Checks for libnsl     ***
 737         dnl *****************************
 738         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 739
 740         AC_CHECK_FUNCS(inet_pton inet_aton)
 741
 742         dnl ***********************************************
 743         dnl *** Checks for size of sockaddr_un.sun_path ***
 744         dnl ***********************************************
 745         # AC_CHECK_SIZEOF can't cope with struct members :-(
 746         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 747         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 748                 [AC_TRY_RUN([
 749                         #include <sys/types.h>
 750                         #include <stdio.h>
 751                         #include <sys/un.h>
 752
 753                         int main(void) {
 754                                 struct sockaddr_un sock_un;
 755                                 FILE *f=fopen("conftestval", "w");
 756                                 if(!f) exit(1);
 757                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 758                                 exit(0);
 759                         }
 760                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 761                    cv_mono_sizeof_sunpath=0,
 762                    cv_mono_sizeof_sunpath=0)])dnl
 763         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 764         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 765
 766         dnl *************************************
 767         dnl *** Checks for zero length arrays ***
 768         dnl *************************************
 769         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 770         AC_TRY_COMPILE([
 771                 struct s {
 772                         int  length;
 773                         char data [0];
 774                 };
 775         ], [], [
 776                 AC_MSG_RESULT(yes)
 777                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 778         ], [
 779                 AC_MSG_RESULT(no)
 780                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 781         ])
 782
 783         dnl *****************************
 784         dnl *** Checks for libxnet    ***
 785         dnl *****************************
 786         case "${host}" in
 787                 *solaris* )
 788                         AC_MSG_CHECKING(for Solaris XPG4 support)
 789                         if test -f /usr/lib/libxnet.so; then
 790                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 791                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 792                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 793                                 LIBS="$LIBS -lxnet"
 794                                 AC_MSG_RESULT(yes)
 795                         else
 796                                 AC_MSG_RESULT(no)
 797                         fi
 798
 799                         if test "$GCC" = "yes"; then
 800                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 801                         fi
 802                 ;;
 803         esac
 804
 805         dnl *****************************
 806         dnl *** Checks for libpthread ***
 807         dnl *****************************
 808 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 809 # and libpthread does not exist
 810 #
 811         case "${host}" in
 812                 *-*-*freebsd4*)
 813                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 814                 ;;
 815                 *)
 816                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 817                 ;;
 818         esac
 819         AC_CHECK_HEADERS(pthread.h)
 820         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 821         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 822         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 823         AC_TRY_COMPILE([ #include <pthread.h>], [
 824                 pthread_mutexattr_t attr;
 825                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 826         ], [
 827                 AC_MSG_RESULT(ok)
 828         ], [
 829                 AC_MSG_RESULT(no)
 830                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 831                 AC_DEFINE(USE_MONO_MUTEX)
 832         ])
 833         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 834
 835         dnl ***********************************
 836         dnl *** Checks for working __thread ***
 837         dnl ***********************************
 838         AC_MSG_CHECKING(for working __thread)
 839         if test "x$with_tls" != "x__thread"; then
 840                 AC_MSG_RESULT(disabled)
 841         else
 842                 AC_TRY_RUN([
 843                         #include <pthread.h>
 844
 845                         __thread int i;
 846                         static int res1, res2;
 847
 848                         void thread_main (void *arg)
 849                         {
 850                                 i = arg;
 851                                 sleep (1);
 852                                 if (arg == 1)
 853                                         res1 = (i == arg);
 854                                 else
 855                                         res2 = (i == arg);
 856                         }
 857
 858                         int main () {
 859                                 pthread_t t1, t2;
 860
 861                                 i = 5;
 862
 863                                 pthread_create (&t1, NULL, thread_main, 1);
 864                                 pthread_create (&t2, NULL, thread_main, 2);
 865
 866                                 pthread_join (t1, NULL);
 867                                 pthread_join (t2, NULL);
 868
 869                                 return !(res1 + res2 == 2);
 870                         }
 871                 ], [
 872                                 AC_MSG_RESULT(yes)
 873                 ], [
 874                                 AC_MSG_RESULT(no)
 875                                 with_tls=pthread
 876                 ])
 877         fi
 878
 879         dnl **************************************
 880         dnl *** Checks for working sigaltstack ***
 881         dnl **************************************
 882         AC_MSG_CHECKING(for working sigaltstack)
 883         if test "x$with_sigaltstack" != "xyes"; then
 884                 AC_MSG_RESULT(disabled)
 885         else
 886                 AC_TRY_RUN([
 887                         #include <stdio.h>
 888                         #include <stdlib.h>
 889                         #include <unistd.h>
 890                         #include <signal.h>
 891                         #include <pthread.h>
 892                         #include <sys/wait.h>
 893
 894                         static void
 895                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
 896                         {
 897                                 exit (0);
 898                         }
 899
 900                         static void *
 901                         loop (void *ignored)
 902                         {
 903                                 char *ptr = NULL;
 904
 905                                 *ptr = 0;
 906                                 return NULL;
 907                         }
 908
 909                         static void
 910                         child ()
 911                         {
 912                                 struct sigaction sa;
 913                                 struct sigaltstack sas;
 914                                 pthread_t id;
 915                                 pthread_attr_t attr;
 916
 917                                 sa.sa_sigaction = sigsegv_signal_handler;
 918                                 sigemptyset (&sa.sa_mask);
 919                                 sa.sa_flags = SA_SIGINFO | SA_STACK;
 920                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
 921                                         perror ("lala");
 922                                         return;
 923                                 }
 924
 925                                 sas.ss_sp = malloc (SIGSTKSZ);
 926                                 sas.ss_size = SIGSTKSZ;
 927                                 sas.ss_flags = SS_ONSTACK;
 928                                 if (sigaltstack (&sas, NULL) == -1) {
 929                                         perror ("lala");
 930                                         return;
 931                                 }
 932
 933                                 pthread_attr_init (&attr);
 934                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
 935                                         printf ("failed\n");
 936                                         return;
 937                                 }
 938
 939                                 sleep (100);
 940                         }
 941
 942                         int
 943                         main ()
 944                         {
 945                                 pid_t son;
 946                                 int status;
 947                                 int i;
 948
 949                                 son = fork ();
 950                                 if (son == -1) {
 951                                         return 1;
 952                                 }
 953
 954                                 if (son == 0) {
 955                                         child ();
 956                                         return 0;
 957                                 }
 958
 959                                 for (i = 0; i < 3; ++i) {
 960                                         sleep (1);
 961                                         waitpid (son, &status, WNOHANG);
 962                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
 963                                                 return 0;
 964                                 }
 965
 966                                 kill (son, SIGKILL);
 967                                 return 1;
 968                         }
 969
 970                 ], [
 971                                 AC_MSG_RESULT(yes)
 972                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
 973                 ], [
 974                                 with_sigaltstack=no
 975                                 AC_MSG_RESULT(no)
 976                 ])
 977         fi
 978
 979         dnl ********************************
 980         dnl *** Checks for semaphore lib ***
 981         dnl ********************************
 982         # 'Real Time' functions on Solaris
 983         # posix4 on Solaris 2.6
 984         # pthread (first!) on Linux
 985         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
 986
 987         dnl ********************************
 988         dnl *** Checks for timezone stuff **
 989         dnl ********************************
 990         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
 991                 AC_TRY_COMPILE([
 992                         #include <time.h>
 993                         ], [
 994                         struct tm tm;
 995                         tm.tm_gmtoff = 1;
 996                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
 997         if test $ac_cv_struct_tm_gmtoff = yes; then
 998                 AC_DEFINE(HAVE_TM_GMTOFF)
 999         else
1000                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
1001                         AC_TRY_COMPILE([
1002                                 #include <time.h>
1003                         ], [
1004                                 timezone = 1;
1005                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
1006                 if test $ac_cv_var_timezone = yes; then
1007                         AC_DEFINE(HAVE_TIMEZONE)
1008                 else
1009                         AC_ERROR(unable to find a way to determine timezone)
1010                 fi
1011         fi
1012
1013         dnl *********************************
1014         dnl *** Checks for math functions ***
1015         dnl *********************************
1016         LIBS="$LIBS -lm";
1017         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
1018                 AC_TRY_LINK([#include <math.h>],
1019                 [ finite(0.0); ],
1020                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
1021                 AC_MSG_RESULT(no)))
1022         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
1023                 AC_TRY_LINK([#include <math.h>],
1024                 [ isfinite(0.0); ],
1025                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
1026                 AC_MSG_RESULT(no)))
1027
1028         dnl ****************************************************************
1029         dnl *** Checks for working poll() (macosx defines it but doesn't ***
1030         dnl *** have it in the library (duh))                            ***
1031         dnl ****************************************************************
1032         AC_CHECK_FUNCS(poll)
1033
1034         dnl *************************
1035         dnl *** Check for signbit ***
1036         dnl *************************
1037         AC_MSG_CHECKING(for signbit)
1038         AC_TRY_LINK([#include <math.h>], [
1039                 int s = signbit(1.0);
1040         ], [
1041                 AC_MSG_RESULT(yes)
1042                 AC_DEFINE(HAVE_SIGNBIT)
1043         ], [
1044                 AC_MSG_RESULT(no)
1045         ])
1046
1047         dnl *********************
1048         dnl *** Check for AIO ***
1049         dnl *********************
1050         AC_MSG_CHECKING([for SIGEV_THREAD definition])
1051         dnl Some systems (FreeBSD at least) may have aio_read
1052         dnl but don't support/define SIGEV_THREAD.
1053         AC_TRY_COMPILE([
1054         #include <sys/signal.h>
1055         ],[
1056         int x = SIGEV_THREAD;
1057         ],[
1058                 ac_cv_c_sigev_thread=yes
1059                 AC_MSG_RESULT(yes)
1060         ],[
1061                 AC_MSG_RESULT(no)
1062         ])
1063
1064         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1065                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1066                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1067                 SIGVAL_PTR="undefined"
1068                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1069                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1070                                         #include <sys/signal.h>
1071                                         ])
1072                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1073                                         #include <sys/signal.h>
1074                                         ])
1075                         if test "$SIGVAL_PTR" = "undefined" ; then
1076                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1077                         fi
1078                 fi
1079                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1080         fi
1081
1082         dnl **********************************
1083         dnl *** Checks for MonoPosixHelper ***
1084         dnl **********************************
1085         AC_CHECK_FUNCS(posix_fadvise)
1086         AC_CHECK_FUNCS(posix_madvise)
1087         AC_CHECK_FUNCS(posix_fallocate)
1088         AC_CHECK_FUNCS(fgetgrent)
1089         AC_CHECK_FUNCS(fgetpwent)
1090         AC_CHECK_FUNCS(fgetpwent)
1091         AC_CHECK_HEADERS(sys/sendfile.h)
1092         AC_CHECK_FUNCS(sendfile)
1093         AC_CHECK_FUNCS(sethostid)
1094         AC_CHECK_FUNCS(stime)
1095         AC_CHECK_FUNCS(strerror_r)
1096         AC_CHECK_FUNCS(ttyname_r)
1097         AC_CHECK_SIZEOF(size_t)
1098         AC_CHECK_MEMBERS(
1099                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1100                 [#include <sys/types.h>
1101                  #include <dirent.h>])
1102 else
1103         jdk_headers_found=no
1104         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1105         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1106         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1107
1108         dnl *********************************
1109         dnl *** Check for struct ip_mreqn ***
1110         dnl *********************************
1111         AC_MSG_CHECKING(for struct ip_mreqn)
1112         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1113                 struct ip_mreqn mreq;
1114                 mreq.imr_address.s_addr = 0;
1115         ], [
1116                 # Yes, we have it...
1117                 AC_MSG_RESULT(yes)
1118                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1119         ], [
1120                 # We'll just have to try and use struct ip_mreq
1121                 AC_MSG_RESULT(no)
1122                 AC_MSG_CHECKING(for struct ip_mreq)
1123                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1124                         struct ip_mreq mreq;
1125                         mreq.imr_interface.s_addr = 0;
1126                 ], [
1127                         # Yes, we have it...
1128                         AC_MSG_RESULT(yes)
1129                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1130                 ], [
1131                         # No multicast support
1132                         AC_MSG_RESULT(no)
1133                 ])
1134         ])
1135 fi
1136
1137 dnl socklen_t check
1138 AC_MSG_CHECKING(for socklen_t)
1139 AC_TRY_COMPILE([
1140 #include <sys/types.h>
1141 #include <sys/socket.h>
1142 ],[
1143   socklen_t foo;
1144 ],[
1145 ac_cv_c_socklen_t=yes
1146         AC_DEFINE(HAVE_SOCKLEN_T)
1147         AC_MSG_RESULT(yes)
1148 ],[
1149         AC_MSG_RESULT(no)
1150 ])
1151
1152 AC_MSG_CHECKING(for array element initalizer support)
1153 AC_TRY_COMPILE([#include <sys/socket.h>], [
1154         const int array[] = {[1] = 2,};
1155 ], [
1156         # Yes, we have it...
1157         AC_MSG_RESULT(yes)
1158         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1159 ], [
1160         # We'll have to use signals
1161         AC_MSG_RESULT(no)
1162 ])
1163
1164 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1165         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1166         AC_TRY_LINK([#include <math.h>],
1167         [ static void *p = &trunc; ],
1168         [
1169                 AC_DEFINE(HAVE_TRUNC)
1170                 AC_MSG_RESULT(yes)
1171                 ac_cv_trunc=yes
1172         ],
1173         AC_MSG_RESULT(no)))
1174
1175 if test "x$ac_cv_truncl" != "xyes"; then
1176    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1177 fi
1178
1179 dnl ****************************
1180 dnl *** Look for /dev/random ***
1181 dnl ****************************
1182
1183 AC_MSG_CHECKING([if usage of random device is requested])
1184 AC_ARG_ENABLE(dev-random,
1185 [  --disable-dev-random    disable the use of the random device],
1186 try_dev_random=$enableval, try_dev_random=yes)
1187 AC_MSG_RESULT($try_dev_random)
1188
1189 case "{$target}" in
1190     *-openbsd*)
1191     NAME_DEV_RANDOM="/dev/srandom"
1192     ;;
1193
1194 dnl Win32 does not have /dev/random, they have their own method...
1195
1196     *-*-mingw*|*-*-cygwin*)
1197     ac_cv_have_dev_random=no
1198     ;;
1199
1200 dnl Everywhere else, it's /dev/random
1201
1202     *)
1203     NAME_DEV_RANDOM="/dev/random"
1204     ;;
1205 esac
1206
1207 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1208
1209 dnl Now check if the device actually exists
1210
1211 if test "x$try_dev_random" = "xyes"; then
1212     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1213     [if test -r "$NAME_DEV_RANDOM" ; then
1214         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1215     if test "x$ac_cv_have_dev_random" = "xyes"; then
1216         AC_DEFINE(HAVE_CRYPT_RNG)
1217     fi
1218 else
1219     AC_MSG_CHECKING(for random device)
1220     ac_cv_have_dev_random=no
1221     AC_MSG_RESULT(has been disabled)
1222 fi
1223
1224 if test "x$platform_win32" = "xyes"; then
1225     AC_DEFINE(HAVE_CRYPT_RNG)
1226 fi
1227
1228 if test "x$ac_cv_have_dev_random" = "xno" \
1229     && test "x$platform_win32" = "xno"; then
1230     AC_MSG_WARN([[
1231 ***
1232 *** A system-provided entropy source was not found on this system.
1233 *** Because of this, the System.Security.Cryptography random number generator
1234 *** will throw a NotImplemented exception.
1235 ***
1236 *** If you are seeing this message, and you know your system DOES have an
1237 *** entropy collection in place, please contact <crichton@gimp.org> and
1238 *** provide information about the system and how to access the random device.
1239 ***
1240 *** Otherwise you can install either egd or prngd and set the environment
1241 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1242 ***]])
1243 fi
1244
1245 AC_MSG_CHECKING([if inter-process shared handles are requested])
1246 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1247 AC_MSG_RESULT($try_shared_handles)
1248 if test "x$try_shared_handles" != "xyes"; then
1249         AC_DEFINE(DISABLE_SHARED_HANDLES)
1250         AC_SUBST(DISABLE_SHARED_HANDLES)
1251 fi
1252
1253 #
1254 # ICU
1255 #
1256 ICU_CFLAGS=""
1257 ICU_LIBS=""
1258 enable_icu="no;  default"
1259
1260 probe_icu=false
1261 AC_ARG_WITH(icu, [  --with-icu=yes/no],
1262         if test x$with_icu = xno; then
1263            probe_icu=false;
1264            AC_MSG_RESULT(Will not probe for ICU)
1265         fi
1266         if test x$with_icu = xyes; then
1267            probe_icu=true;
1268         fi
1269 )
1270
1271 if $probe_icu; then
1272         AC_PATH_PROG(ICU_CONFIG, icu-config, no)
1273         if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
1274                 AC_MSG_WARN([Only invariant locale available; install ICU for I18N support])
1275                 enable_icu="no, if you want full i18n support download it from: http://oss.software.ibm.com/icu/index.html"
1276         else
1277                 enable_icu="yes. Version: `$ICU_CONFIG --version`"
1278                 AC_DEFINE(HAVE_ICU)
1279                 ICU_CFLAGS=`$ICU_CONFIG --cppflags`
1280                 ICU_LIBS=`$ICU_CONFIG --ldflags`
1281         fi
1282 fi
1283 AC_SUBST(ICU_CFLAGS)
1284 AC_SUBST(ICU_LIBS)
1285
1286 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1287 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1288
1289 TARGET="unknown"
1290 ACCESS_UNALIGNED="yes"
1291
1292 JIT_SUPPORTED=no
1293 INTERP_SUPPORTED=no
1294 LIBC="libc.so.6"
1295 INTL="libc.so.6"
1296
1297 jit_wanted=false
1298 interp_wanted=false
1299 case "$host" in
1300 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1301 #               TARGET=MIPS;
1302 #               ACCESS_UNALIGNED="no"
1303 #               ;;
1304         i*86-*-*)
1305                 TARGET=X86;
1306                 arch_target=x86;
1307                 JIT_SUPPORTED=yes
1308                 jit_wanted=true
1309                 ;;
1310         x86_64-*-* | amd64-*-*)
1311                 TARGET=AMD64;
1312                 arch_target=amd64;
1313                 JIT_SUPPORTED=yes
1314                 jit_wanted=true
1315                 ;;
1316         sparc*-*-*)
1317                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1318                    TARGET=SPARC64
1319                 else
1320                         TARGET=SPARC
1321                 fi
1322                 arch_target=sparc;
1323                 JIT_SUPPORTED=yes
1324                 ACCESS_UNALIGNED="no"
1325                 LIBC="libc.so"
1326                 INTL="libintl.so"
1327                 jit_wanted=true
1328                 if test x"$GCC" = xyes; then
1329                         CFLAGS="$CFLAGS -Wno-cast-align"
1330                 fi
1331                 ;;
1332        alpha*-*-linux* | alpha*-*-osf*)
1333                 TARGET=ALPHA;
1334                 ACCESS_UNALIGNED="no"
1335                 JIT_SUPPORTED=no
1336                 INTERP_SUPPORTED=yes
1337                 interp_wanted=true
1338                 arch_target=alpha;
1339                ;;
1340 #       ia64-*-linux* | ia64-*-hpux*)
1341 #               TARGET=IA64;
1342 #               arch_target=ia64;
1343 #               JIT_SUPPORTED=no;
1344 #               ACCESS_UNALIGNED="no";
1345 #               case "$host_os" in
1346 #                       linux*) LIBC="libc.so.6.1";;
1347 #                       hpux*)  LIBC="libc.so.1";;
1348 #               esac
1349 #               ;;
1350 #       m68k-*-linux*)
1351 #               TARGET=M68K
1352 #               ;;
1353         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1354                 TARGET=HPPA;
1355                 arch_target=hppa;
1356                 LIBC="libc.sl"
1357                 ACCESS_UNALIGNED="no"
1358                 INTERP_SUPPORTED=yes
1359                 interp_wanted=true
1360                 ;;
1361         hppa*linux*)
1362                 TARGET=HPPA;
1363                 arch_target=hppa;
1364                 ACCESS_UNALIGNED="no"
1365                 INTERP_SUPPORTED=yes
1366                 interp_wanted=true
1367                 ;;
1368         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1369         powerpc-*-sysv* | powerpc-*-darwin*)
1370                 TARGET=POWERPC;
1371                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1372                 arch_target=ppc;
1373                 JIT_SUPPORTED=yes
1374                 jit_wanted=true
1375                 ;;
1376         arm-*-linux-* | armv4l-*-linux-*)
1377                 TARGET=ARM;
1378                 arch_target=arm;
1379                 ACCESS_UNALIGNED="no"
1380                 INTERP_SUPPORTED=yes
1381                 interp_wanted=true
1382                 ;;
1383         s390-*-linux*)
1384                 TARGET=S390;
1385                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1386                 arch_target=s390;
1387                 ACCESS_UNALIGNED="no"
1388                 JIT_SUPPORTED=yes
1389                 ;;
1390         s390x-*-linux*)
1391                 TARGET=S390x;
1392                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1393                 arch_target=s390x;
1394                 ACCESS_UNALIGNED="no"
1395                 JIT_SUPPORTED=yes
1396                 ;;
1397 esac
1398
1399 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1400         if test x$withval = xyes; then
1401            jit_wanted=true
1402         else
1403            jit_wanted=false
1404         fi
1405 ])
1406
1407 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1408         if test x$withval = xyes; then
1409            interp_wanted=true
1410         else
1411            interp_wanted=false
1412         fi
1413 ])
1414
1415 USEJIT=false
1416 if test x$JIT_SUPPORTED = xyes; then
1417    if $jit_wanted; then
1418       USEJIT=true
1419       jit_status="Building and using the JIT"
1420    else
1421       if $interp_wanted; then
1422          jit_status="Building the JIT, defaulting to the interpreter"
1423       else
1424          AC_ERROR(No JIT or interpreter support available or selected.)
1425       fi
1426    fi
1427 else
1428    if $interp_wanted; then
1429       jit_status="interpreter"
1430    else
1431       AC_ERROR(No JIT or interpreter support available or selected.)
1432    fi
1433 fi
1434
1435 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1436
1437 libsuffix=".so"
1438
1439 case "$host" in
1440      powerpc-*-darwin*)
1441         libsuffix=".dylib"
1442         LIBC="libc.dylib"
1443         INTL="libintl.dylib"
1444         ;;
1445      *-*-*netbsd*)
1446         LIBC="libc.so.12"
1447         INTL="libintl.so.0"
1448         ;;
1449     *-*-*freebsd*)
1450         LIBC="libc.so"
1451         INTL="libintl.so"
1452         ;;
1453     *-*-*openbsd*)
1454         LIBC="libc.so"
1455         INTL="libintl.so"
1456         ;;
1457 esac
1458 AC_SUBST(libsuffix)
1459
1460 if test "x$TARGET" != "xAMD64"; then
1461    # valgrind headers don't compile under x86-64
1462    AC_CHECK_HEADERS(valgrind/memcheck.h)
1463 fi
1464
1465 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1466         if test "x$with_tls" = "x__thread"; then
1467                 #
1468                 # On some linux distributions, TLS works in executables, but linking
1469                 # against a shared library containing TLS fails with:
1470                 # undefined reference to `__tls_get_addr'
1471                 #
1472                 rm -f conftest.c conftest.so conftest
1473                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1474                 gcc -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1475                 gcc -o conftest conftest.so > /dev/null 2>&1
1476                 if test ! -f conftest; then
1477                    AC_MSG_WARN([Disabling usage of __thread.]);
1478                    with_tls=pthread
1479                 fi
1480                 rm -f conftest.c conftest.so conftest
1481         fi
1482 fi
1483
1484 if test "x$with_tls" = "x__thread"; then
1485         AC_DEFINE(HAVE_KW_THREAD)
1486    # Pass the information to libgc
1487         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1488         export CPPFLAGS
1489 fi
1490
1491 if test ${TARGET} = ARM; then
1492         dnl ******************************************
1493         dnl *** Check to see what FPU is available ***
1494         dnl ******************************************
1495         AC_MSG_CHECKING(which FPU to use)
1496
1497         AC_TRY_COMPILE([], [
1498                 __asm__ ("ldfd f0, [r0]");
1499                 ], fpu=FPA, [
1500                         AC_TRY_COMPILE([], [
1501                                 __asm__ ("fldd d0, [r0]");
1502                         ], fpu=VFP, fpu=NONE)
1503                 ])
1504
1505         AC_MSG_RESULT($fpu)
1506         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1507         unset fpu
1508 fi
1509
1510 if test ${TARGET} = unknown; then
1511         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1512         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1513 fi
1514
1515 if test ${ACCESS_UNALIGNED} = no; then
1516         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1517 fi
1518
1519 PREVIEW=no
1520 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1521         if test x$with_preview = xyes; then
1522               PREVIEW=yes
1523         fi
1524 ])
1525
1526 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1527
1528 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1529 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1530 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1531 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1532 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1533 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1534 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1535 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1536 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1537 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1538 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1539 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1540 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1541 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1542
1543 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1544 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1545 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1546
1547 AC_SUBST(LIBC)
1548 AC_SUBST(INTL)
1549
1550 AC_SUBST(arch_target)
1551 AC_SUBST(CFLAGS)
1552 AC_SUBST(CPPFLAGS)
1553 AC_SUBST(LDFLAGS)
1554
1555 mono_build_root=`pwd`
1556 AC_SUBST(mono_build_root)
1557
1558 if test x$USEJIT = xtrue; then
1559   mono_runtime=mono/mini/mono
1560 else
1561   mono_runtime=mono/interpreter/mint
1562 fi
1563 AC_SUBST(mono_runtime)
1564
1565 mono_cfg_root=$mono_build_root/runtime
1566 if test x$platform_win32 = xyes; then
1567   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1568 else
1569   mono_cfg_dir=$mono_cfg_root/etc
1570 fi
1571 AC_SUBST(mono_cfg_dir)
1572
1573 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1574
1575 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1576 [   depth=../../../..
1577     case $srcdir in
1578     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1579     .) reldir=$depth ;;
1580     *) reldir=$depth/$srcdir ;;
1581     esac
1582     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1583     cd runtime/etc/mono/1.0
1584     rm -f machine.config
1585     $LN_S $reldir/data/net_1_1/machine.config machine.config
1586     cd $depth
1587 ],[LN_S='$LN_S'])
1588
1589 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1590 [   depth=../../../..
1591     case $srcdir in
1592     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1593     .) reldir=$depth ;;
1594     *) reldir=$depth/$srcdir ;;
1595     esac
1596     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1597     cd runtime/etc/mono/2.0
1598     rm -f machine.config
1599     $LN_S $reldir/data/net_2_0/machine.config machine.config
1600     cd $depth
1601 ],[LN_S='$LN_S'])
1602
1603 AC_OUTPUT([
1604 Makefile
1605 mint.pc
1606 mono.pc
1607 mono/Makefile
1608 mono/utils/Makefile
1609 mono/metadata/Makefile
1610 mono/dis/Makefile
1611 mono/cil/Makefile
1612 mono/arch/Makefile
1613 mono/os/Makefile
1614 mono/os/win32/Makefile
1615 mono/os/unix/Makefile
1616 mono/arch/x86/Makefile
1617 mono/arch/amd64/Makefile
1618 mono/arch/hppa/Makefile
1619 mono/arch/ppc/Makefile
1620 mono/arch/sparc/Makefile
1621 mono/arch/s390/Makefile
1622 mono/arch/s390x/Makefile
1623 mono/arch/arm/Makefile
1624 mono/arch/alpha/Makefile
1625 mono/interpreter/Makefile
1626 mono/tests/Makefile
1627 mono/tests/tests-config
1628 mono/benchmark/Makefile
1629 mono/monoburg/Makefile
1630 mono/monograph/Makefile
1631 mono/io-layer/Makefile
1632 mono/handles/Makefile
1633 mono/mini/Makefile
1634 mono/profiler/Makefile
1635 ikvm-jni/Makefile
1636 scripts/Makefile
1637 man/Makefile
1638 web/Makefile
1639 docs/Makefile
1640 data/Makefile
1641 data/net_1_1/Makefile
1642 data/net_2_0/Makefile
1643 samples/Makefile
1644 support/Makefile
1645 data/config
1646 mono.spec
1647 tools/Makefile
1648 tools/locale-builder/Makefile
1649 runtime/Makefile
1650 ])
1651
1652 (
1653   case $prefix in
1654   NONE) prefix=/usr/local ;;
1655   esac
1656   case $exec_prefix in
1657   NONE | '${prefix}') exec_prefix=$prefix ;;
1658   esac
1659
1660   echo "prefix=$exec_prefix" > $srcdir/$mcsdir/build/config.make
1661   echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1662 )
1663
1664 echo "
1665         mcs source:  $mcs_topdir
1666         GC:          $gc
1667         ICU:         $enable_icu
1668         TLS:         $with_tls
1669         SIGALTSTACK: $with_sigaltstack
1670         Engine:      $jit_status
1671         2.0 Alpha:   $PREVIEW
1672         JNI support: $jdk_headers_found
1673         $disabled
1674
1675 "