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$no_version_script = xyes)
 242
 243 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h semaphore.h sys/un.h linux/rtc.h)
 244
 245 AC_CHECK_HEADER(zlib.h, [have_zlib=yes], [have_zlib=no])
 246
 247 AM_CONDITIONAL(HAVE_ZLIB, test x$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         AC_CHECK_FUNCS(getgrgid_r)
 506         AC_CHECK_FUNCS(getgrnam_r)
 507         AC_CHECK_FUNCS(getpwnam_r)
 508         AC_CHECK_FUNCS(getpwuid_r)
 509         AC_CHECK_FUNCS(getresuid)
 510         AC_CHECK_FUNCS(setresuid)
 511         AC_CHECK_FUNCS(kqueue)
 512         AC_CHECK_FUNCS(backtrace_symbols)
 513
 514         dnl ******************************************************************
 515         dnl *** Check for large file support                               ***
 516         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
 517         dnl ******************************************************************
 518
 519         # Check that off_t can represent 2**63 - 1 correctly, working around
 520         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
 521         # CPPFLAGS and sets $large_offt to yes if the test succeeds
 522         large_offt=no
 523         AC_DEFUN(LARGE_FILES, [
 524                 large_CPPFLAGS=$CPPFLAGS
 525                 CPPFLAGS="$CPPFLAGS $1"
 526                 AC_TRY_RUN([
 527                         #include <sys/types.h>
 528
 529                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
 530
 531                         int main(void) {
 532                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
 533                                                (BIG_OFF_T%2147483647==1));
 534                                 if(big_off_t) {
 535                                         exit(0);
 536                                 } else {
 537                                         exit(1);
 538                                 }
 539                         }
 540                 ], [
 541                         AC_MSG_RESULT(ok)
 542                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
 543                         large_CPPFLAGS="$large_CPPFLAGS $1"
 544                         large_offt=yes
 545                 ], [
 546                         AC_MSG_RESULT(no)
 547                 ], "")
 548                 CPPFLAGS=$large_CPPFLAGS
 549         ])
 550
 551         AC_MSG_CHECKING(if off_t is 64 bits wide)
 552         LARGE_FILES("")
 553         if test $large_offt = no; then
 554                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
 555                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
 556         fi
 557         if test $large_offt = no; then
 558                 AC_MSG_WARN([No 64 bit file size support available])
 559         fi
 560
 561         dnl *****************************
 562         dnl *** Checks for libsocket  ***
 563         dnl *****************************
 564         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 565
 566         dnl *******************************
 567         dnl *** Checks for MSG_NOSIGNAL ***
 568         dnl *******************************
 569         AC_MSG_CHECKING(for MSG_NOSIGNAL)
 570         AC_TRY_COMPILE([#include <sys/socket.h>], [
 571                 int f = MSG_NOSIGNAL;
 572         ], [
 573                 # Yes, we have it...
 574                 AC_MSG_RESULT(yes)
 575                 AC_DEFINE(HAVE_MSG_NOSIGNAL)
 576         ], [
 577                 # We'll have to use signals
 578                 AC_MSG_RESULT(no)
 579         ])
 580
 581         dnl *****************************
 582         dnl *** Checks for SOL_IP     ***
 583         dnl *****************************
 584         AC_MSG_CHECKING(for SOL_IP)
 585         AC_TRY_COMPILE([#include <netdb.h>], [
 586                 int level = SOL_IP;
 587         ], [
 588                 # Yes, we have it...
 589                 AC_MSG_RESULT(yes)
 590                 AC_DEFINE(HAVE_SOL_IP)
 591         ], [
 592                 # We'll have to use getprotobyname
 593                 AC_MSG_RESULT(no)
 594         ])
 595
 596         dnl *****************************
 597         dnl *** Checks for SOL_IPV6     ***
 598         dnl *****************************
 599         AC_MSG_CHECKING(for SOL_IPV6)
 600         AC_TRY_COMPILE([#include <netdb.h>], [
 601                 int level = SOL_IPV6;
 602         ], [
 603                 # Yes, we have it...
 604                 AC_MSG_RESULT(yes)
 605                 AC_DEFINE(HAVE_SOL_IPV6)
 606         ], [
 607                 # We'll have to use getprotobyname
 608                 AC_MSG_RESULT(no)
 609         ])
 610
 611         dnl *****************************
 612         dnl *** Checks for SOL_TCP    ***
 613         dnl *****************************
 614         AC_MSG_CHECKING(for SOL_TCP)
 615         AC_TRY_COMPILE([#include <netdb.h>], [
 616                 int level = SOL_TCP;
 617         ], [
 618                 # Yes, we have it...
 619                 AC_MSG_RESULT(yes)
 620                 AC_DEFINE(HAVE_SOL_TCP)
 621         ], [
 622                 # We'll have to use getprotobyname
 623                 AC_MSG_RESULT(no)
 624         ])
 625
 626         dnl *****************************
 627         dnl *** Checks for IP_PKTINFO ***
 628         dnl *****************************
 629         AC_MSG_CHECKING(for IP_PKTINFO)
 630         AC_TRY_COMPILE([#include <netdb.h>], [
 631                 int level = IP_PKTINFO;
 632         ], [
 633                 # Yes, we have it...
 634                 AC_MSG_RESULT(yes)
 635                 AC_DEFINE(HAVE_IP_PKTINFO)
 636         ], [
 637                 AC_MSG_RESULT(no)
 638         ])
 639
 640         dnl *********************************
 641         dnl *** Check for struct ip_mreqn ***
 642         dnl *********************************
 643         AC_MSG_CHECKING(for struct ip_mreqn)
 644         AC_TRY_COMPILE([#include <netinet/in.h>], [
 645                 struct ip_mreqn mreq;
 646                 mreq.imr_address.s_addr = 0;
 647         ], [
 648                 # Yes, we have it...
 649                 AC_MSG_RESULT(yes)
 650                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
 651         ], [
 652                 # We'll just have to try and use struct ip_mreq
 653                 AC_MSG_RESULT(no)
 654                 AC_MSG_CHECKING(for struct ip_mreq)
 655                 AC_TRY_COMPILE([#include <netinet/in.h>], [
 656                         struct ip_mreq mreq;
 657                         mreq.imr_interface.s_addr = 0;
 658                 ], [
 659                         # Yes, we have it...
 660                         AC_MSG_RESULT(yes)
 661                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
 662                 ], [
 663                         # No multicast support
 664                         AC_MSG_RESULT(no)
 665                 ])
 666         ])
 667
 668         dnl **********************************
 669         dnl *** Check for gethostbyname2_r ***
 670         dnl **********************************
 671         AC_MSG_CHECKING(for gethostbyname2_r)
 672                 AC_TRY_LINK([#include <netdb.h>], [
 673                 gethostbyname2_r(NULL,0,NULL,NULL,0,NULL,NULL);
 674         ], [
 675                 # Yes, we have it...
 676                 AC_MSG_RESULT(yes)
 677                 AC_DEFINE(HAVE_GETHOSTBYNAME2_R)
 678         ], [
 679                 AC_MSG_RESULT(no)
 680         ])
 681
 682         dnl *****************************
 683         dnl *** Checks for libnsl     ***
 684         dnl *****************************
 685         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
 686
 687         AC_CHECK_FUNCS(inet_pton inet_aton)
 688
 689         dnl ***********************************************
 690         dnl *** Checks for size of sockaddr_un.sun_path ***
 691         dnl ***********************************************
 692         # AC_CHECK_SIZEOF can't cope with struct members :-(
 693         AC_MSG_CHECKING(size of sockaddr_un.sun_path)
 694         AC_CACHE_VAL(cv_mono_sizeof_sunpath,
 695                 [AC_TRY_RUN([
 696                         #include <sys/types.h>
 697                         #include <stdio.h>
 698                         #include <sys/un.h>
 699
 700                         int main(void) {
 701                                 struct sockaddr_un sock_un;
 702                                 FILE *f=fopen("conftestval", "w");
 703                                 if(!f) exit(1);
 704                                 fprintf(f, "%d\n", sizeof(sock_un.sun_path));
 705                                 exit(0);
 706                         }
 707                 ], cv_mono_sizeof_sunpath=`cat conftestval`,
 708                    cv_mono_sizeof_sunpath=0,
 709                    cv_mono_sizeof_sunpath=0)])dnl
 710         AC_MSG_RESULT($cv_mono_sizeof_sunpath)
 711         AC_DEFINE_UNQUOTED(MONO_SIZEOF_SUNPATH, $cv_mono_sizeof_sunpath)
 712
 713         dnl *************************************
 714         dnl *** Checks for zero length arrays ***
 715         dnl *************************************
 716         AC_MSG_CHECKING(whether $CC supports zero length arrays)
 717         AC_TRY_COMPILE([
 718                 struct s {
 719                         int  length;
 720                         char data [0];
 721                 };
 722         ], [], [
 723                 AC_MSG_RESULT(yes)
 724                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 0)
 725         ], [
 726                 AC_MSG_RESULT(no)
 727                 AC_DEFINE_UNQUOTED(MONO_ZERO_ARRAY_LENGTH, 1)
 728         ])
 729
 730         dnl *****************************
 731         dnl *** Checks for libxnet    ***
 732         dnl *****************************
 733         case "${host}" in
 734                 *solaris* )
 735                         AC_MSG_CHECKING(for Solaris XPG4 support)
 736                         if test -f /usr/lib/libxnet.so; then
 737                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
 738                                 CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
 739                                 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED=1"
 740                                 LIBS="$LIBS -lxnet"
 741                                 AC_MSG_RESULT(yes)
 742                         else
 743                                 AC_MSG_RESULT(no)
 744                         fi
 745
 746                         if test "$GCC" = "yes"; then
 747                                 CFLAGS="$CFLAGS -Wno-char-subscripts"
 748                         fi
 749                 ;;
 750         esac
 751
 752         dnl *****************************
 753         dnl *** Checks for libpthread ***
 754         dnl *****************************
 755 # on FreeBSD -STABLE, the pthreads functions all reside in libc_r
 756 # and libpthread does not exist
 757 #
 758         case "${host}" in
 759                 *-*-*freebsd4*)
 760                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -pthread")
 761                 ;;
 762                 *)
 763                         AC_CHECK_LIB(pthread, main, LIBS="$LIBS -lpthread")
 764                 ;;
 765         esac
 766         AC_CHECK_HEADERS(pthread.h)
 767         AC_CHECK_FUNCS(pthread_mutex_timedlock)
 768         AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
 769         AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 770         AC_TRY_COMPILE([ #include <pthread.h>], [
 771                 pthread_mutexattr_t attr;
 772                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 773         ], [
 774                 AC_MSG_RESULT(ok)
 775         ], [
 776                 AC_MSG_RESULT(no)
 777                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
 778                 AC_DEFINE(USE_MONO_MUTEX)
 779         ])
 780         AC_CHECK_FUNCS(pthread_attr_setstacksize)
 781
 782         dnl ***********************************
 783         dnl *** Checks for working __thread ***
 784         dnl ***********************************
 785         AC_MSG_CHECKING(for working __thread)
 786         if test "x$with_tls" != "x__thread"; then
 787                 AC_MSG_RESULT(disabled)
 788         else
 789                 AC_TRY_RUN([
 790                         #include <pthread.h>
 791
 792                         __thread int i;
 793                         static int res1, res2;
 794
 795                         void thread_main (void *arg)
 796                         {
 797                                 i = arg;
 798                                 sleep (1);
 799                                 if (arg == 1)
 800                                         res1 = (i == arg);
 801                                 else
 802                                         res2 = (i == arg);
 803                         }
 804
 805                         int main () {
 806                                 pthread_t t1, t2;
 807
 808                                 i = 5;
 809
 810                                 pthread_create (&t1, NULL, thread_main, 1);
 811                                 pthread_create (&t2, NULL, thread_main, 2);
 812
 813                                 pthread_join (t1, NULL);
 814                                 pthread_join (t2, NULL);
 815
 816                                 return !(res1 + res2 == 2);
 817                         }
 818                 ], [
 819                                 AC_MSG_RESULT(yes)
 820                 ], [
 821                                 AC_MSG_RESULT(no)
 822                                 with_tls=pthread
 823                 ])
 824         fi
 825
 826         dnl **************************************
 827         dnl *** Checks for working sigaltstack ***
 828         dnl **************************************
 829         AC_MSG_CHECKING(for working sigaltstack)
 830         if test "x$with_sigaltstack" != "xyes"; then
 831                 AC_MSG_RESULT(disabled)
 832         else
 833                 AC_TRY_RUN([
 834                         #include <stdio.h>
 835                         #include <stdlib.h>
 836                         #include <unistd.h>
 837                         #include <signal.h>
 838                         #include <pthread.h>
 839                         #include <sys/wait.h>
 840
 841                         static void
 842                         sigsegv_signal_handler (int _dummy, siginfo_t *info, void *context)
 843                         {
 844                                 exit (0);
 845                         }
 846
 847                         static void *
 848                         loop (void *ignored)
 849                         {
 850                                 char *ptr = NULL;
 851
 852                                 *ptr = 0;
 853                                 return NULL;
 854                         }
 855
 856                         static void
 857                         child ()
 858                         {
 859                                 struct sigaction sa;
 860                                 struct sigaltstack sas;
 861                                 pthread_t id;
 862                                 pthread_attr_t attr;
 863
 864                                 sa.sa_sigaction = sigsegv_signal_handler;
 865                                 sigemptyset (&sa.sa_mask);
 866                                 sa.sa_flags = SA_SIGINFO | SA_STACK;
 867                                 if (sigaction (SIGSEGV, &sa, NULL) == -1) {
 868                                         perror ("lala");
 869                                         return;
 870                                 }
 871
 872                                 sas.ss_sp = malloc (SIGSTKSZ);
 873                                 sas.ss_size = SIGSTKSZ;
 874                                 sas.ss_flags = SS_ONSTACK;
 875                                 if (sigaltstack (&sas, NULL) == -1) {
 876                                         perror ("lala");
 877                                         return;
 878                                 }
 879
 880                                 pthread_attr_init (&attr);
 881                                 if (pthread_create(&id, &attr, loop, &attr) != 0) {
 882                                         printf ("failed\n");
 883                                         return;
 884                                 }
 885
 886                                 sleep (100);
 887                         }
 888
 889                         int
 890                         main ()
 891                         {
 892                                 pid_t son;
 893                                 int status;
 894                                 int i;
 895
 896                                 son = fork ();
 897                                 if (son == -1) {
 898                                         return 1;
 899                                 }
 900
 901                                 if (son == 0) {
 902                                         child ();
 903                                         return 0;
 904                                 }
 905
 906                                 for (i = 0; i < 3; ++i) {
 907                                         sleep (1);
 908                                         waitpid (son, &status, WNOHANG);
 909                                         if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
 910                                                 return 0;
 911                                 }
 912
 913                                 kill (son, SIGKILL);
 914                                 return 1;
 915                         }
 916
 917                 ], [
 918                                 AC_MSG_RESULT(yes)
 919                                 AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
 920                 ], [
 921                                 with_sigaltstack=no
 922                                 AC_MSG_RESULT(no)
 923                 ])
 924         fi
 925
 926         dnl ********************************
 927         dnl *** Checks for semaphore lib ***
 928         dnl ********************************
 929         # 'Real Time' functions on Solaris
 930         # posix4 on Solaris 2.6
 931         # pthread (first!) on Linux
 932         AC_SEARCH_LIBS(sem_init, pthread rt posix4)
 933
 934         dnl ********************************
 935         dnl *** Checks for timezone stuff **
 936         dnl ********************************
 937         AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,
 938                 AC_TRY_COMPILE([
 939                         #include <time.h>
 940                         ], [
 941                         struct tm tm;
 942                         tm.tm_gmtoff = 1;
 943                         ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))
 944         if test $ac_cv_struct_tm_gmtoff = yes; then
 945                 AC_DEFINE(HAVE_TM_GMTOFF)
 946         else
 947                 AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,
 948                         AC_TRY_COMPILE([
 949                                 #include <time.h>
 950                         ], [
 951                                 timezone = 1;
 952                         ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))
 953                 if test $ac_cv_var_timezone = yes; then
 954                         AC_DEFINE(HAVE_TIMEZONE)
 955                 else
 956                         AC_ERROR(unable to find a way to determine timezone)
 957                 fi
 958         fi
 959
 960         dnl *********************************
 961         dnl *** Checks for math functions ***
 962         dnl *********************************
 963         LIBS="$LIBS -lm";
 964         AC_CHECK_FUNCS(finite, , AC_MSG_CHECKING(for finite in math.h)
 965                 AC_TRY_LINK([#include <math.h>],
 966                 [ finite(0.0); ],
 967                 AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes),
 968                 AC_MSG_RESULT(no)))
 969         AC_CHECK_FUNCS(isfinite, , AC_MSG_CHECKING(for isfinite in math.h)
 970                 AC_TRY_LINK([#include <math.h>],
 971                 [ isfinite(0.0); ],
 972                 AC_DEFINE(HAVE_ISFINITE) AC_MSG_RESULT(yes),
 973                 AC_MSG_RESULT(no)))
 974
 975         dnl ****************************************************************
 976         dnl *** Checks for working poll() (macosx defines it but doesn't ***
 977         dnl *** have it in the library (duh))                            ***
 978         dnl ****************************************************************
 979         AC_CHECK_FUNCS(poll)
 980
 981         dnl *************************
 982         dnl *** Check for signbit ***
 983         dnl *************************
 984         AC_MSG_CHECKING(for signbit)
 985         AC_TRY_LINK([#include <math.h>], [
 986                 int s = signbit(1.0);
 987         ], [
 988                 AC_MSG_RESULT(yes)
 989                 AC_DEFINE(HAVE_SIGNBIT)
 990         ], [
 991                 AC_MSG_RESULT(no)
 992         ])
 993
 994         dnl *********************
 995         dnl *** Check for AIO ***
 996         dnl *********************
 997         AC_MSG_CHECKING([for SIGEV_THREAD definition])
 998         dnl Some systems (FreeBSD at least) may have aio_read
 999         dnl but don't support/define SIGEV_THREAD.
1000         AC_TRY_COMPILE([
1001         #include <sys/signal.h>
1002         ],[
1003         int x = SIGEV_THREAD;
1004         ],[
1005                 ac_cv_c_sigev_thread=yes
1006                 AC_MSG_RESULT(yes)
1007         ],[
1008                 AC_MSG_RESULT(no)
1009         ])
1010
1011         if test "$ac_cv_c_sigev_thread" = "yes" ; then
1012                 AC_CHECK_HEADERS(aio.h sys/aio.h)
1013                 AC_CHECK_LIB(rt, aio_read, [ LIBS="$LIBS -lrt" ],)
1014                 SIGVAL_PTR="undefined"
1015                 if test "$ac_cv_header_aio_h" = "yes" -o "$ac_cv_header_sys_aio_h" = "yes" ; then
1016                         AC_CHECK_MEMBER(union sigval.sigval_ptr,SIGVAL_PTR="sigval_ptr",, [
1017                                         #include <sys/signal.h>
1018                                         ])
1019                         AC_CHECK_MEMBER(union sigval.sival_ptr,SIGVAL_PTR="sival_ptr",, [
1020                                         #include <sys/signal.h>
1021                                         ])
1022                         if test "$SIGVAL_PTR" = "undefined" ; then
1023                                 AC_MSG_ERROR([Unable to detect field name in 'union sigval'])
1024                         fi
1025                 fi
1026                 AC_DEFINE_UNQUOTED(SIGVAL_PTR,$SIGVAL_PTR,[Pointer field name in 'union sigval'])
1027         fi
1028
1029         dnl **********************************
1030         dnl *** Checks for MonoPosixHelper ***
1031         dnl **********************************
1032         AC_CHECK_HEADERS(checklist.h)
1033         AC_CHECK_HEADERS(fstab.h)
1034         AC_CHECK_HEADERS(sys/sendfile.h)
1035         AC_CHECK_HEADERS(sys/statvfs.h)
1036         AC_CHECK_HEADERS(sys/vfstab.h)
1037         AC_CHECK_FUNCS(getdomainname)
1038         AC_CHECK_FUNCS(setdomainname)
1039         AC_CHECK_FUNCS(fgetgrent)
1040         AC_CHECK_FUNCS(fgetpwent)
1041         AC_CHECK_FUNCS(fgetpwent)
1042         AC_CHECK_FUNCS(getfsstat)
1043         AC_CHECK_FUNCS(posix_fadvise)
1044         AC_CHECK_FUNCS(posix_fallocate)
1045         AC_CHECK_FUNCS(posix_madvise)
1046         AC_CHECK_FUNCS(vsnprintf)
1047         AC_CHECK_FUNCS(sendfile)
1048         AC_CHECK_FUNCS(sethostid)
1049         AC_CHECK_FUNCS(statfs)
1050         AC_CHECK_FUNCS(fstatfs)
1051         AC_CHECK_FUNCS(statvfs)
1052         AC_CHECK_FUNCS(fstatvfs)
1053         AC_CHECK_FUNCS(stime)
1054         AC_CHECK_FUNCS(strerror_r)
1055         AC_CHECK_FUNCS(ttyname_r)
1056         AC_CHECK_SIZEOF(size_t)
1057         AC_CHECK_MEMBERS(
1058                 [struct dirent.d_off, struct dirent.d_reclen, struct dirent.d_type],,,
1059                 [#include <sys/types.h>
1060                  #include <dirent.h>])
1061 else
1062         jdk_headers_found=no
1063         AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
1064         AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))
1065         AC_CHECK_LIB(ole32, main, LIBS="$LIBS -lole32", AC_ERROR(bad mingw install?))
1066
1067         dnl *********************************
1068         dnl *** Check for struct ip_mreqn ***
1069         dnl *********************************
1070         AC_MSG_CHECKING(for struct ip_mreqn)
1071         AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1072                 struct ip_mreqn mreq;
1073                 mreq.imr_address.s_addr = 0;
1074         ], [
1075                 # Yes, we have it...
1076                 AC_MSG_RESULT(yes)
1077                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
1078         ], [
1079                 # We'll just have to try and use struct ip_mreq
1080                 AC_MSG_RESULT(no)
1081                 AC_MSG_CHECKING(for struct ip_mreq)
1082                 AC_TRY_COMPILE([#include <ws2tcpip.h>], [
1083                         struct ip_mreq mreq;
1084                         mreq.imr_interface.s_addr = 0;
1085                 ], [
1086                         # Yes, we have it...
1087                         AC_MSG_RESULT(yes)
1088                         AC_DEFINE(HAVE_STRUCT_IP_MREQ)
1089                 ], [
1090                         # No multicast support
1091                         AC_MSG_RESULT(no)
1092                 ])
1093         ])
1094 fi
1095
1096 dnl socklen_t check
1097 AC_MSG_CHECKING(for socklen_t)
1098 AC_TRY_COMPILE([
1099 #include <sys/types.h>
1100 #include <sys/socket.h>
1101 ],[
1102   socklen_t foo;
1103 ],[
1104 ac_cv_c_socklen_t=yes
1105         AC_DEFINE(HAVE_SOCKLEN_T)
1106         AC_MSG_RESULT(yes)
1107 ],[
1108         AC_MSG_RESULT(no)
1109 ])
1110
1111 AC_MSG_CHECKING(for array element initalizer support)
1112 AC_TRY_COMPILE([#include <sys/socket.h>], [
1113         const int array[] = {[1] = 2,};
1114 ], [
1115         # Yes, we have it...
1116         AC_MSG_RESULT(yes)
1117         AC_DEFINE(HAVE_ARRAY_ELEM_INIT,1,[Supports C99 array initialization])
1118 ], [
1119         # We'll have to use signals
1120         AC_MSG_RESULT(no)
1121 ])
1122
1123 AC_CHECK_FUNCS(trunc, , AC_MSG_CHECKING(for trunc in math.h)
1124         # Simply calling trunc (0.0) is no good since gcc will optimize the call away
1125         AC_TRY_LINK([#include <math.h>],
1126         [ static void *p = &trunc; ],
1127         [
1128                 AC_DEFINE(HAVE_TRUNC)
1129                 AC_MSG_RESULT(yes)
1130                 ac_cv_trunc=yes
1131         ],
1132         AC_MSG_RESULT(no)))
1133
1134 if test "x$ac_cv_truncl" != "xyes"; then
1135    AC_CHECK_LIB(sunmath, aintl, [ AC_DEFINE(HAVE_AINTL) LIBS="$LIBS -lsunmath"])
1136 fi
1137
1138 dnl ****************************
1139 dnl *** Look for /dev/random ***
1140 dnl ****************************
1141
1142 AC_MSG_CHECKING([if usage of random device is requested])
1143 AC_ARG_ENABLE(dev-random,
1144 [  --disable-dev-random    disable the use of the random device],
1145 try_dev_random=$enableval, try_dev_random=yes)
1146 AC_MSG_RESULT($try_dev_random)
1147
1148 case "{$target}" in
1149     *-openbsd*)
1150     NAME_DEV_RANDOM="/dev/srandom"
1151     ;;
1152
1153 dnl Win32 does not have /dev/random, they have their own method...
1154
1155     *-*-mingw*|*-*-cygwin*)
1156     ac_cv_have_dev_random=no
1157     ;;
1158
1159 dnl Everywhere else, it's /dev/random
1160
1161     *)
1162     NAME_DEV_RANDOM="/dev/random"
1163     ;;
1164 esac
1165
1166 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
1167
1168 dnl Now check if the device actually exists
1169
1170 if test "x$try_dev_random" = "xyes"; then
1171     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
1172     [if test -r "$NAME_DEV_RANDOM" ; then
1173         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
1174     if test "x$ac_cv_have_dev_random" = "xyes"; then
1175         AC_DEFINE(HAVE_CRYPT_RNG)
1176     fi
1177 else
1178     AC_MSG_CHECKING(for random device)
1179     ac_cv_have_dev_random=no
1180     AC_MSG_RESULT(has been disabled)
1181 fi
1182
1183 if test "x$platform_win32" = "xyes"; then
1184     AC_DEFINE(HAVE_CRYPT_RNG)
1185 fi
1186
1187 if test "x$ac_cv_have_dev_random" = "xno" \
1188     && test "x$platform_win32" = "xno"; then
1189     AC_MSG_WARN([[
1190 ***
1191 *** A system-provided entropy source was not found on this system.
1192 *** Because of this, the System.Security.Cryptography random number generator
1193 *** will throw a NotImplemented exception.
1194 ***
1195 *** If you are seeing this message, and you know your system DOES have an
1196 *** entropy collection in place, please contact <crichton@gimp.org> and
1197 *** provide information about the system and how to access the random device.
1198 ***
1199 *** Otherwise you can install either egd or prngd and set the environment
1200 *** variable MONO_EGD_SOCKET to point to the daemon's socket to use that.
1201 ***]])
1202 fi
1203
1204 AC_MSG_CHECKING([if inter-process shared handles are requested])
1205 AC_ARG_ENABLE(shared-handles, [  --disable-shared-handles disable inter-process shared handles], try_shared_handles=$enableval, try_shared_handles=yes)
1206 AC_MSG_RESULT($try_shared_handles)
1207 if test "x$try_shared_handles" != "xyes"; then
1208         AC_DEFINE(DISABLE_SHARED_HANDLES)
1209         AC_SUBST(DISABLE_SHARED_HANDLES)
1210 fi
1211
1212 #
1213 # ICU
1214 #
1215 ICU_CFLAGS=""
1216 ICU_LIBS=""
1217 enable_icu="no;  default"
1218
1219 probe_icu=false
1220 AC_ARG_WITH(icu, [  --with-icu=yes/no],
1221         if test x$with_icu = xno; then
1222            probe_icu=false;
1223            AC_MSG_RESULT(Will not probe for ICU)
1224         fi
1225         if test x$with_icu = xyes; then
1226            probe_icu=true;
1227         fi
1228 )
1229
1230 if $probe_icu; then
1231         AC_PATH_PROG(ICU_CONFIG, icu-config, no)
1232         if test "x$ICU_CONFIG" = "xno" -o ! -x "$ICU_CONFIG"; then
1233                 AC_MSG_WARN([Only invariant locale available; install ICU for I18N support])
1234                 enable_icu="no, if you want full i18n support download it from: http://oss.software.ibm.com/icu/index.html"
1235         else
1236                 enable_icu="yes. Version: `$ICU_CONFIG --version`"
1237                 AC_DEFINE(HAVE_ICU)
1238                 ICU_CFLAGS=`$ICU_CONFIG --cppflags`
1239                 ICU_LIBS=`$ICU_CONFIG --ldflags`
1240         fi
1241 fi
1242 AC_SUBST(ICU_CFLAGS)
1243 AC_SUBST(ICU_LIBS)
1244
1245 AC_ARG_ENABLE(nunit-tests, [ --enable-nunit-tests       Run the nunit tests of the class library on 'make check'])
1246 AM_CONDITIONAL(ENABLE_NUNIT_TESTS, [test x$enable_nunit_tests = xyes])
1247
1248 TARGET="unknown"
1249 ACCESS_UNALIGNED="yes"
1250
1251 JIT_SUPPORTED=no
1252 INTERP_SUPPORTED=no
1253 LIBC="libc.so.6"
1254 INTL="libc.so.6"
1255
1256 jit_wanted=false
1257 interp_wanted=false
1258 case "$host" in
1259 #       mips-sgi-irix5.* | mips-sgi-irix6.*)
1260 #               TARGET=MIPS;
1261 #               ACCESS_UNALIGNED="no"
1262 #               ;;
1263         i*86-*-*)
1264                 TARGET=X86;
1265                 arch_target=x86;
1266                 JIT_SUPPORTED=yes
1267                 jit_wanted=true
1268                 ;;
1269         x86_64-*-* | amd64-*-*)
1270                 TARGET=AMD64;
1271                 arch_target=amd64;
1272                 JIT_SUPPORTED=yes
1273                 jit_wanted=true
1274                 ;;
1275         sparc*-*-*)
1276                 if test "x$ac_cv_sizeof_void_p" = "x8"; then
1277                    TARGET=SPARC64
1278                 else
1279                         TARGET=SPARC
1280                 fi
1281                 arch_target=sparc;
1282                 JIT_SUPPORTED=yes
1283                 ACCESS_UNALIGNED="no"
1284                 LIBC="libc.so"
1285                 INTL="libintl.so"
1286                 jit_wanted=true
1287                 if test x"$GCC" = xyes; then
1288                         CFLAGS="$CFLAGS -Wno-cast-align"
1289                 fi
1290                 ;;
1291        alpha*-*-linux* | alpha*-*-osf*)
1292                 TARGET=ALPHA;
1293                 ACCESS_UNALIGNED="no"
1294                 JIT_SUPPORTED=no
1295                 INTERP_SUPPORTED=yes
1296                 interp_wanted=true
1297                 arch_target=alpha;
1298                ;;
1299 #       ia64-*-linux* | ia64-*-hpux*)
1300 #               TARGET=IA64;
1301 #               arch_target=ia64;
1302 #               JIT_SUPPORTED=no;
1303 #               ACCESS_UNALIGNED="no";
1304 #               case "$host_os" in
1305 #                       linux*) LIBC="libc.so.6.1";;
1306 #                       hpux*)  LIBC="libc.so.1";;
1307 #               esac
1308 #               ;;
1309 #       m68k-*-linux*)
1310 #               TARGET=M68K
1311 #               ;;
1312         hppa2.0w-hp-hpux11.00 | hppa64-hp-hpux11.00)
1313                 TARGET=HPPA;
1314                 arch_target=hppa;
1315                 LIBC="libc.sl"
1316                 ACCESS_UNALIGNED="no"
1317                 INTERP_SUPPORTED=yes
1318                 interp_wanted=true
1319                 ;;
1320         hppa*linux*)
1321                 TARGET=HPPA;
1322                 arch_target=hppa;
1323                 ACCESS_UNALIGNED="no"
1324                 INTERP_SUPPORTED=yes
1325                 interp_wanted=true
1326                 ;;
1327         macppc-*-openbsd* | powerpc-*-linux* | powerpc-*-openbsd* | \
1328         powerpc-*-sysv* | powerpc-*-darwin*)
1329                 TARGET=POWERPC;
1330                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1331                 arch_target=ppc;
1332                 JIT_SUPPORTED=yes
1333                 jit_wanted=true
1334                 ;;
1335         arm-*-linux-* | armv4l-*-linux-*)
1336                 TARGET=ARM;
1337                 arch_target=arm;
1338                 ACCESS_UNALIGNED="no"
1339                 INTERP_SUPPORTED=yes
1340                 interp_wanted=true
1341                 ;;
1342         s390-*-linux*)
1343                 TARGET=S390;
1344                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1345                 arch_target=s390;
1346                 ACCESS_UNALIGNED="no"
1347                 JIT_SUPPORTED=yes
1348                 ;;
1349         s390x-*-linux*)
1350                 TARGET=S390x;
1351                 AC_DEFINE(MONO_ARCH_REGPARMS,1,[Architecture uses registers for Parameters])
1352                 arch_target=s390x;
1353                 ACCESS_UNALIGNED="no"
1354                 JIT_SUPPORTED=yes
1355                 ;;
1356 esac
1357
1358 AC_ARG_WITH(jit, [  --with-jit=yes,no       If you want to build scripts that default to the JIT],[
1359         if test x$withval = xyes; then
1360            jit_wanted=true
1361         else
1362            jit_wanted=false
1363         fi
1364 ])
1365
1366 AC_ARG_WITH(interp, [  --with-interp=yes,no    If you want to build scripts that default to the interpreter],[
1367         if test x$withval = xyes; then
1368            interp_wanted=true
1369         else
1370            interp_wanted=false
1371         fi
1372 ])
1373
1374 USEJIT=false
1375 if test x$JIT_SUPPORTED = xyes; then
1376    if $jit_wanted; then
1377       USEJIT=true
1378       jit_status="Building and using the JIT"
1379    else
1380       if $interp_wanted; then
1381          jit_status="Building the JIT, defaulting to the interpreter"
1382       else
1383          AC_ERROR(No JIT or interpreter support available or selected.)
1384       fi
1385    fi
1386 else
1387    if $interp_wanted; then
1388       jit_status="interpreter"
1389    else
1390       AC_ERROR(No JIT or interpreter support available or selected.)
1391    fi
1392 fi
1393
1394 AM_CONDITIONAL(USE_JIT, test x$USEJIT = xtrue)
1395
1396 libsuffix=".so"
1397
1398 case "$host" in
1399      powerpc-*-darwin*)
1400         libsuffix=".dylib"
1401         LIBC="libc.dylib"
1402         INTL="libintl.dylib"
1403         ;;
1404      *-*-*netbsd*)
1405         LIBC="libc.so.12"
1406         INTL="libintl.so.0"
1407         ;;
1408     *-*-*freebsd*)
1409         LIBC="libc.so"
1410         INTL="libintl.so"
1411         ;;
1412     *-*-*openbsd*)
1413         LIBC="libc.so"
1414         INTL="libintl.so"
1415         ;;
1416 esac
1417 AC_SUBST(libsuffix)
1418
1419 if test "x$TARGET" != "xAMD64"; then
1420    # valgrind headers don't compile under x86-64
1421    AC_CHECK_HEADERS(valgrind/memcheck.h)
1422 fi
1423
1424 if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
1425         if test "x$with_tls" = "x__thread"; then
1426                 #
1427                 # On some linux distributions, TLS works in executables, but linking
1428                 # against a shared library containing TLS fails with:
1429                 # undefined reference to `__tls_get_addr'
1430                 #
1431                 rm -f conftest.c conftest.so conftest
1432                 echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
1433                 gcc -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
1434                 gcc -o conftest conftest.so > /dev/null 2>&1
1435                 if test ! -f conftest; then
1436                    AC_MSG_WARN([Disabling usage of __thread.]);
1437                    with_tls=pthread
1438                 fi
1439                 rm -f conftest.c conftest.so conftest
1440         fi
1441 fi
1442
1443 if test "x$with_tls" = "x__thread"; then
1444         AC_DEFINE(HAVE_KW_THREAD)
1445    # Pass the information to libgc
1446         CPPFLAGS="$CPPFLAGS -DUSE_COMPILER_TLS"
1447         export CPPFLAGS
1448 fi
1449
1450 if test ${TARGET} = ARM; then
1451         dnl ******************************************
1452         dnl *** Check to see what FPU is available ***
1453         dnl ******************************************
1454         AC_MSG_CHECKING(which FPU to use)
1455
1456         AC_TRY_COMPILE([], [
1457                 __asm__ ("ldfd f0, [r0]");
1458                 ], fpu=FPA, [
1459                         AC_TRY_COMPILE([], [
1460                                 __asm__ ("fldd d0, [r0]");
1461                         ], fpu=VFP, fpu=NONE)
1462                 ])
1463
1464         AC_MSG_RESULT($fpu)
1465         CPPFLAGS="$CPPFLAGS -DARM_FPU_$fpu"
1466         unset fpu
1467 fi
1468
1469 if test ${TARGET} = unknown; then
1470         CPPFLAGS="$CPPFLAGS -DNO_PORT"
1471         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
1472 fi
1473
1474 if test ${ACCESS_UNALIGNED} = no; then
1475         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
1476 fi
1477
1478 PREVIEW=no
1479 AC_ARG_WITH(preview, [ --with-preview=yes,no     If you want to install the 2.0 FX preview],[
1480         if test x$with_preview = xyes; then
1481               PREVIEW=yes
1482         fi
1483 ])
1484
1485 AM_CONDITIONAL(INSTALL_2_0, test x$PREVIEW = xyes)
1486
1487 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
1488 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
1489 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
1490 AM_CONDITIONAL(SPARC64, test x$TARGET = xSPARC64)
1491 AM_CONDITIONAL(X86, test x$TARGET = xX86)
1492 AM_CONDITIONAL(AMD64, test x$TARGET = xAMD64)
1493 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
1494 AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
1495 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
1496 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
1497 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
1498 AM_CONDITIONAL(S390, test x$TARGET = xS390)
1499 AM_CONDITIONAL(S390x, test x$TARGET = xS390x)
1500 AM_CONDITIONAL(HPPA, test x$TARGET = xHPPA)
1501
1502 AM_CONDITIONAL(JIT_SUPPORTED, test x$JIT_SUPPORTED = xyes)
1503 AM_CONDITIONAL(INTERP_SUPPORTED, test x$interp_wanted = xtrue)
1504 AM_CONDITIONAL(INCLUDED_LIBGC, test x$gc = xincluded)
1505
1506 AC_SUBST(LIBC)
1507 AC_SUBST(INTL)
1508
1509 AC_SUBST(arch_target)
1510 AC_SUBST(CFLAGS)
1511 AC_SUBST(CPPFLAGS)
1512 AC_SUBST(LDFLAGS)
1513
1514 mono_build_root=`pwd`
1515 AC_SUBST(mono_build_root)
1516
1517 if test x$USEJIT = xtrue; then
1518   mono_runtime=mono/mini/mono
1519 else
1520   mono_runtime=mono/interpreter/mint
1521 fi
1522 AC_SUBST(mono_runtime)
1523
1524 mono_cfg_root=$mono_build_root/runtime
1525 if test x$platform_win32 = xyes; then
1526   mono_cfg_dir=`cygpath -w -a $mono_cfg_root`\\etc
1527 else
1528   mono_cfg_dir=$mono_cfg_root/etc
1529 fi
1530 AC_SUBST(mono_cfg_dir)
1531
1532 AC_CONFIG_FILES([runtime/mono-wrapper],[chmod +x runtime/mono-wrapper])
1533
1534 AC_CONFIG_COMMANDS([runtime/etc/mono/1.0/machine.config],
1535 [   depth=../../../..
1536     case $srcdir in
1537     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1538     .) reldir=$depth ;;
1539     *) reldir=$depth/$srcdir ;;
1540     esac
1541     $ac_aux_dir/install-sh -d runtime/etc/mono/1.0
1542     cd runtime/etc/mono/1.0
1543     rm -f machine.config
1544     $LN_S $reldir/data/net_1_1/machine.config machine.config
1545     cd $depth
1546 ],[LN_S='$LN_S'])
1547
1548 AC_CONFIG_COMMANDS([runtime/etc/mono/2.0/machine.config],
1549 [   depth=../../../..
1550     case $srcdir in
1551     [\\/$]* | ?:[\\/]* ) reldir=$srcdir ;;
1552     .) reldir=$depth ;;
1553     *) reldir=$depth/$srcdir ;;
1554     esac
1555     $ac_aux_dir/install-sh -d runtime/etc/mono/2.0
1556     cd runtime/etc/mono/2.0
1557     rm -f machine.config
1558     $LN_S $reldir/data/net_2_0/machine.config machine.config
1559     cd $depth
1560 ],[LN_S='$LN_S'])
1561
1562 AC_OUTPUT([
1563 Makefile
1564 mint.pc
1565 mono.pc
1566 scripts/mono-nunit.pc
1567 mono/Makefile
1568 mono/utils/Makefile
1569 mono/metadata/Makefile
1570 mono/dis/Makefile
1571 mono/cil/Makefile
1572 mono/arch/Makefile
1573 mono/os/Makefile
1574 mono/os/win32/Makefile
1575 mono/os/unix/Makefile
1576 mono/arch/x86/Makefile
1577 mono/arch/amd64/Makefile
1578 mono/arch/hppa/Makefile
1579 mono/arch/ppc/Makefile
1580 mono/arch/sparc/Makefile
1581 mono/arch/s390/Makefile
1582 mono/arch/s390x/Makefile
1583 mono/arch/arm/Makefile
1584 mono/arch/alpha/Makefile
1585 mono/interpreter/Makefile
1586 mono/tests/Makefile
1587 mono/tests/tests-config
1588 mono/benchmark/Makefile
1589 mono/monoburg/Makefile
1590 mono/monograph/Makefile
1591 mono/io-layer/Makefile
1592 mono/handles/Makefile
1593 mono/mini/Makefile
1594 mono/profiler/Makefile
1595 scripts/Makefile
1596 man/Makefile
1597 web/Makefile
1598 docs/Makefile
1599 data/Makefile
1600 data/net_1_1/Makefile
1601 data/net_2_0/Makefile
1602 samples/Makefile
1603 support/Makefile
1604 data/config
1605 mono.spec
1606 tools/Makefile
1607 tools/locale-builder/Makefile
1608 runtime/Makefile
1609 ])
1610
1611 (
1612   case $prefix in
1613   NONE) prefix=/usr/local ;;
1614   esac
1615   case $exec_prefix in
1616   NONE | '${prefix}') exec_prefix=$prefix ;;
1617   esac
1618
1619   echo "prefix=$exec_prefix" > $srcdir/$mcsdir/build/config.make
1620   echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $srcdir/$mcsdir/build/config.make
1621 )
1622
1623 echo "
1624         mcs source:  $mcs_topdir
1625         GC:          $gc
1626         ICU:         $enable_icu
1627         TLS:         $with_tls
1628         SIGALTSTACK: $with_sigaltstack
1629         Engine:      $jit_status
1630         2.0 Alpha:   $PREVIEW
1631         JNI support: $jdk_headers_found
1632         $disabled
1633
1634 "