1 dnl # Process this with autoconf to create configure
3 # Still use "libjava" here to placate dejagnu.
4 AC_INIT([libjava], [version-unused],, [libjava])
6 AC_CONFIG_SRCDIR(java/lang/System.java)
10 # We use these options to decide which functions to include.
11 AC_ARG_WITH(target-subdir,
12 AS_HELP_STRING([--with-target-subdir=SUBDIR],
13 [configure in a subdirectory]))
15 # We may get other options which we don't document:
16 # --with-target-subdir, --with-multisrctop, --with-multisubdir
18 # When building with srcdir == objdir, links to the source files will
19 # be created in directories within the target_subdir. We have to
20 # adjust toplevel_srcdir accordingly, so that configure finds
21 # install-sh and other auxiliary files that live in the top-level
23 if test "${srcdir}" = "."; then
24 if test -z "${with_target_subdir}"; then
27 if test "${with_target_subdir}" != "."; then
28 toprel="${with_multisrctop}../.."
30 toprel="${with_multisrctop}.."
37 libgcj_basedir=$srcdir/$toprel/./libjava
38 AC_SUBST(libgcj_basedir)
41 _GCC_TOPLEV_NONCANONICAL_BUILD
42 _GCC_TOPLEV_NONCANONICAL_TARGET
44 AC_SUBST(target_noncanonical)
46 # This works around the fact that libtool configuration may change LD
47 # for this particular configuration, but some shells, instead of
48 # keeping the changes in LD private, export them just because LD is
50 ORIGINAL_LD_FOR_MULTILIBS=$LD
54 # This works around an automake problem.
55 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
56 AC_SUBST(mkinstalldirs)
58 AC_ARG_WITH(cross-host,
59 AS_HELP_STRING([--with-cross-host=HOST],
60 [configure with a cross compiler from HOST]))
63 AS_HELP_STRING([--with-newlib],
64 [configure with newlib]))
66 AC_ARG_ENABLE(version-specific-runtime-libs,
67 AS_HELP_STRING([--enable-version-specific-runtime-libs],
68 [specify that runtime libraries should be installed in a compiler-specific directory]),
70 yes) version_specific_libs=yes ;;
71 no) version_specific_libs=no ;;
72 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
74 [version_specific_libs=no]
77 # Default to --enable-multilib
78 AC_ARG_ENABLE(multilib,
79 AS_HELP_STRING([--enable-multilib],
80 [build many library versions (default)]),
81 [case "${enableval}" in
84 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
85 esac], [multilib=yes])dnl
87 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
90 # (1) We use an abnormal CXX (without library references), so we
91 # must cache it under a different name.
92 # (2) CC, CFLAGS, CXX, CXXFLAGS, LDFLAGS must not be 'precious', or
93 # the non-multilib-adjusted value will be used in multilibs.
94 # (3) As a side effect, we must SUBST CXXFLAGS, CFLAGS, and LDFLAGS ourselves.
95 # (4) As another side effect, automake doesn't automatically include them
97 # (5) For libstdc++-v3, -fno-builtin must be present here so that a
98 # non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and
99 # used in later tests. This may not be necessary in libjava; I don't know.
100 m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX])
101 m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS])
102 m4_define([_AC_ARG_VAR_PRECIOUS],[])
103 save_CXXFLAGS="$CXXFLAGS"
104 CXXFLAGS="$CXXFLAGS -fno-builtin"
107 CXXFLAGS="$save_CXXFLAGS"
108 m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
113 AM_INIT_AUTOMAKE([1.9.0])
115 AC_CHECK_TOOL(AS, as)
116 AC_CHECK_TOOL(AR, ar)
117 AC_CHECK_TOOL(RANLIB, ranlib, :)
125 # configure.host sets the following important variables
126 # libgcj_cflags - host specific C compiler flags
127 # libgcj_cxxflags - host specific C++ compiler flags
128 # libgcj_javaflags - host specific Java compiler flags
134 . ${srcdir}/configure.host
136 LIBGCJ_CFLAGS="${libgcj_cflags}"
137 LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
138 LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
139 LIBGCJ_LD_SYMBOLIC="${libgcj_ld_symbolic}"
140 AC_SUBST(LIBGCJ_CFLAGS)
141 AC_SUBST(LIBGCJ_CXXFLAGS)
142 AC_SUBST(LIBGCJ_JAVAFLAGS)
143 AC_SUBST(LIBGCJ_LD_SYMBOLIC)
145 AC_CONFIG_HEADERS([include/config.h gcj/libgcj-config.h])
147 # Only use libltdl for non-newlib builds.
148 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
149 AC_LIBLTDL_CONVENIENCE
152 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
153 # Sigh. Libtool's macro doesn't do the right thing.
154 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
155 # FIXME: this is a hack.
156 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
157 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
165 AC_CONFIG_SUBDIRS(libltdl)
167 # The -no-testsuite modules omit the test subdir.
168 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
170 # Should the runtime set system properties by examining the
171 # environment variable GCJ_PROPERTIES?
172 AC_ARG_ENABLE(getenv-properties,
173 AS_HELP_STRING([--disable-getenv-properties],
174 [don't set system properties from GCJ_PROPERTIES]))
176 # Whether GCJ_PROPERTIES is used depends on the target.
177 if test -z "$enable_getenv_properties"; then
178 enable_getenv_properties=${enable_getenv_properties_default-yes}
180 if test "$enable_getenv_properties" = no; then
181 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
182 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
185 # Whether we should use arguments to main()
186 if test -z "$enable_main_args"; then
187 enable_main_args=${enable_main_args_default-yes}
189 if test "$enable_main_args" = no; then
190 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
194 # Should we use hashtable-based synchronization?
195 # Currently works only for Linux X86/ia64
196 # Typically faster and more space-efficient
197 AC_ARG_ENABLE(hash-synchronization,
198 AS_HELP_STRING([--enable-hash-synchronization],
199 [use global hash table for monitor locks]))
201 if test -z "$enable_hash_synchronization"; then
202 enable_hash_synchronization=$enable_hash_synchronization_default
205 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
206 AC_ARG_ENABLE(libgcj-multifile,
207 AS_HELP_STRING([--enable-libgcj-multifile]
208 [allow compilation of several files at once]),
209 [case "${enableval}" in
210 yes) enable_libgcj_multifile=yes ;;
211 no) enable_libgcj_multifile=no ;;
212 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
213 esac],[enable_libgcj_multifile=no])
214 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
216 # What is the native OS API for MinGW?
217 AC_ARG_WITH(win32-nlsapi,
218 AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode],
219 [native MinGW libgcj Win32 OS API (default is ansi)]),
220 [case "${withval}" in
221 ansi) with_win32_nlsapi=ansi ;;
222 unicows) with_win32_nlsapi=unicows ;;
223 unicode) with_win32_nlsapi=unicode ;;
224 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
225 esac],[with_win32_nlsapi=ansi])
227 case "${with_win32_nlsapi}" in
229 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
230 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
234 # configure.host sets slow_pthread_self if the synchronization code should
235 # try to avoid pthread_self calls by caching thread IDs in a hashtable.
236 if test "${slow_pthread_self}" = "yes"; then
237 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
238 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
242 # See if the user has requested runtime debugging.
244 AC_SUBST(LIBGCJDEBUG)
245 AC_ARG_ENABLE(libgcj-debug,
246 AS_HELP_STRING([--enable-libgcj-debug],
247 [enable runtime debugging code]),
248 [if test "$enable_libgcj_debug" = yes; then
249 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
253 # Check for gc debugging. This option is handled both here and in the GC.
254 AC_ARG_ENABLE(gc-debug,
255 AS_HELP_STRING([--enable-gc-debug],
256 [include full support for pointer backtracing etc.]),
257 [ if test "$enable_gc_debug" = "yes"; then
258 AC_DEFINE(LIBGCJ_GC_DEBUG, 1,
259 [Define if we want to use debug calls into the garbage collector.])
262 # See if the user has the interpreter included.
263 AC_ARG_ENABLE(interpreter,
264 AS_HELP_STRING([--enable-interpreter],
265 [enable interpreter]),
266 [if test "$enable_interpreter" = yes; then
267 # This can also be set in configure.host.
268 libgcj_interpreter=yes
269 elif test "$enable_interpreter" = no; then
270 libgcj_interpreter=no
273 if test "$libgcj_interpreter" = yes; then
274 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
276 INTERPRETER="$libgcj_interpreter"
277 AC_SUBST(INTERPRETER)
279 AC_MSG_CHECKING([for exception model to use])
281 AC_ARG_ENABLE(sjlj-exceptions,
282 AS_HELP_STRING([--enable-sjlj-exceptions],
283 [force use of builtin_setjmp for exceptions]),
285 [dnl Botheration. Now we've got to detect the exception model.
286 dnl Link tests against libgcc.a are problematic since -- at least
287 dnl as of this writing -- we've not been given proper -L bits for
288 dnl single-tree newlib and libgloss.
290 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
291 dnl conftest files before we got a change to grep them first.
292 cat > conftest.$ac_ext << EOF
293 [#]line __oline__ "configure"
302 old_CXXFLAGS="$CXXFLAGS"
304 if AC_TRY_EVAL(ac_compile); then
305 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
306 enable_sjlj_exceptions=yes
307 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
308 enable_sjlj_exceptions=no
311 CXXFLAGS="$old_CXXFLAGS"
313 if test x$enable_sjlj_exceptions = xyes; then
314 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
315 [Define if the compiler is configured for setjmp/longjmp exceptions.])
316 ac_exception_model_name=sjlj
317 elif test x$enable_sjlj_exceptions = xno; then
318 ac_exception_model_name="call frame"
320 AC_MSG_ERROR([unable to detect exception model])
323 AC_MSG_RESULT($ac_exception_model_name)
325 # If we are non using SJLJ exceptions, and this host does not have support
326 # for unwinding from a signal handler, enable checked dereferences and divides.
327 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
328 CHECKREFSPEC=-fcheck-references
329 DIVIDESPEC=-fuse-divide-subroutine
333 # See if the user wants to disable java.net. This is the mildly
334 # ugly way that we admit that target-side configuration sucks.
335 AC_ARG_ENABLE(java-net,
336 AS_HELP_STRING([--disable-java-net],
339 # Whether java.net is built by default can depend on the target.
340 if test -z "$enable_java_net"; then
341 enable_java_net=${enable_java_net_default-yes}
343 if test "$enable_java_net" = no; then
344 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
347 # See if the user wants to configure without libffi. Some
348 # architectures don't support it, and default values are set in
351 AS_HELP_STRING([--without-libffi],
354 [with_libffi=${with_libffi_default-yes}])
358 if test "$with_libffi" != no; then
359 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
360 LIBFFI=../libffi/libffi_convenience.la
361 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
366 # See if the user wants to disable JVMPI support.
368 AS_HELP_STRING([--disable-jvmpi],
369 [disable JVMPI support]))
371 if test "$enable_jvmpi" != no; then
372 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
375 # If the target is an eCos system, use the appropriate eCos
377 # FIXME: this should not be a local option but a global target
378 # system; at present there is no eCos target.
379 TARGET_ECOS=${PROCESS-"no"}
381 [ --with-ecos enable runtime eCos target support],
382 TARGET_ECOS="$with_ecos"
387 PLATFORM_INNER_NAT_HDRS=
388 case "$TARGET_ECOS" in
394 CHECK_FOR_BROKEN_MINGW_LD
400 PLATFORM_INNER_NAT_HDRS='java/lang/ConcreteProcess$$ProcessManager.h'
407 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
411 AC_SUBST(PLATFORM_INNER_NAT_HDRS)
412 AC_CONFIG_LINKS(include/platform.h:include/$PLATFORMH)
414 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
415 [Define if you have int32_t and uint32_t.]))
416 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
417 [Define if you have int32_t and uint32_t.]))
418 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
419 [Define if you have u_int32_t]))
420 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
421 [Define if you have u_int32_t]))
423 AM_CONDITIONAL(USING_WIN32_PLATFORM, test "$PLATFORM" = Win32)
424 AM_CONDITIONAL(USING_POSIX_PLATFORM, test "$PLATFORM" = Posix)
425 AM_CONDITIONAL(USING_ECOS_PLATFORM, test "$PLATFORM" = Ecos)
428 *-darwin*) DARWIN_CRT=true ;;
429 *) DARWIN_CRT=false ;;
431 AM_CONDITIONAL(USING_DARWIN_CRT, $DARWIN_CRT)
433 # These may not be defined in a non-ANS conformant embedded system.
434 # FIXME: Should these case a runtime exception in that case?
435 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
436 [Define is you have 'mktime' in <time.h>]))
437 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
438 [Define is you have 'localtime' in <time.h>]))
440 # Create the subdirectory for natFile.cc, or the attempt
441 # to create the link will fail.
442 test -d java || mkdir java
443 test -d java/io || mkdir java/io
444 test -d gnu || mkdir gnu
445 AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc)
447 # Likewise for ConcreteProcess.java and natConcreteProcess.cc.
448 test -d java/lang || mkdir java/lang
449 AC_CONFIG_LINKS(java/lang/ConcreteProcess.java:java/lang/${PLATFORM}Process.java)
450 AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc)
452 # Likewise for natInetAddress.cc and natNetworkInterface.cc.
453 test -d java/net || mkdir java/net
454 AC_CONFIG_LINKS(java/net/natInetAddress.cc:java/net/natInetAddress${PLATFORMNET}.cc)
455 AC_CONFIG_LINKS(java/net/natNetworkInterface.cc:java/net/natNetworkInterface${PLATFORMNET}.cc)
457 # Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
458 test -d gnu/java || mkdir gnu/java
459 test -d gnu/java/net || mkdir gnu/java/net
460 AC_CONFIG_LINKS(gnu/java/net/natPlainSocketImpl.cc:gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc)
461 AC_CONFIG_LINKS(gnu/java/net/natPlainDatagramSocketImpl.cc:gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc)
463 # Likewise for natPipeImpl.cc and natSelectorImpl.cc.
464 test -d gnu/java/nio || mkdir gnu/java/nio
465 AC_CONFIG_LINKS(gnu/java/nio/natPipeImpl.cc:gnu/java/nio/natPipeImpl${PLATFORM}.cc)
466 AC_CONFIG_LINKS(gnu/java/nio/natSelectorImpl.cc:gnu/java/nio/natSelectorImpl${PLATFORM}.cc)
467 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
468 AC_CONFIG_LINKS(gnu/java/nio/channels/natFileChannelImpl.cc:gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc)
472 SYSTEMSPEC="-lgdi32 -lws2_32"
473 if test "${with_win32_nlsapi}" = "unicows"; then
474 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
483 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
484 AC_SUBST(LIBGCJTESTSPEC)
486 AC_ARG_WITH(system-zlib,
487 AS_HELP_STRING([--with-system-zlib],
488 [use installed libz]))
492 AC_SUBST(ZLIBTESTSPEC)
496 # Determine which AWT peer libraries to build
497 AC_ARG_ENABLE(java-awt,
498 AS_HELP_STRING([--enable-java-awt],
499 [list of AWT peer implementations to be built]))
501 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
504 # The default toolkit to use is the first one specified.
508 for peer in $peerlibs ; do
511 if test "$no_x" = yes; then
512 echo "*** xlib peers requested but no X library available" 1>&2
516 if test -z "$TOOLKIT"; then
517 TOOLKIT=gnu.awt.xlib.XToolkit
522 if test "$no_x" = yes; then
523 echo "*** xlib peers requested but no X library available" 1>&2
527 if test -z "$TOOLKIT"; then
528 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
530 test -d jniinclude || mkdir jniinclude
539 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
544 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
545 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
547 # determine whether to enable the cairo GTK Graphics2D backend
548 AC_ARG_ENABLE(gtk-cairo,
549 AS_HELP_STRING([--enable-gtk-cairo],
550 [build the cairo Graphics2D implementation on GTK]))
551 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
552 if test "x${enable_gtk_cairo}" = xyes
554 PKG_CHECK_MODULES(CAIRO, cairo)
555 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
558 AC_SUBST(CAIRO_CFLAGS)
559 AC_SUBST(PANGOFT2_LIBS)
560 AC_SUBST(PANGOFT2_CFLAGS)
562 # FIXME: this should be _libs on some hosts.
565 # Allow the GC to be disabled. Can be useful when debugging.
566 AC_MSG_CHECKING([for garbage collector to use])
567 AC_ARG_ENABLE(java-gc,
568 AS_HELP_STRING([--enable-java-gc=TYPE],
569 [choose garbage collector (default is boehm)]),
581 GCLIBS=../boehm-gc/libgcjgc_convenience.la
582 JC1GCSPEC='-fuse-boehm-gc'
583 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
584 GCINCS='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'
587 # The POSIX thread support needs to know this.
588 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
595 AC_MSG_ERROR([unrecognized collector "$GC"])
604 AC_CONFIG_LINKS(include/java-gc.h:include/$GCHDR)
605 AM_CONDITIONAL(USING_BOEHMGC, test "$GC" = boehm)
606 AM_CONDITIONAL(USING_NOGC, test "$GC" = no)
609 AC_MSG_CHECKING([for thread model used by GCC])
610 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
611 AC_MSG_RESULT([$THREADS])
617 posix | posix95 | pthreads)
621 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
627 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
628 AC_MSG_ERROR(thread package $THREADS not yet supported)
631 AC_MSG_ERROR($THREADS is an unknown thread package)
646 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
648 *-*-freebsd[[1234]]*)
649 # Before FreeBSD 5, it didn't have -lpthread (or any library which
650 # merely adds pthread_* functions) but it does have a -pthread switch
651 # which is required at link-time to select -lc_r *instead* of -lc.
652 THREADLDFLAGS=-pthread
653 # Don't set THREADSPEC here as might be expected since -pthread is
654 # not processed when found within a spec file, it must come from
655 # the command line. For now, the user must provide the -pthread
656 # switch to link code compiled with gcj. In future, consider adding
657 # support for weak references to pthread_* functions ala gthr.h API.
658 THREADSPEC='%{!pthread: %{!shared: %eUnder this configuration, the user must provide -pthread when linking.}}'
661 # FreeBSD 5 implements a model much closer to other modern UNIX
662 # which support threads. However, it still does not support
664 THREADLDFLAGS=-pthread
668 THREADCXXFLAGS=-pthread
669 # boehm-gc needs some functions from librt, so link that too.
670 THREADLIBS='-lpthread -lrt'
671 THREADSPEC='-lpthread -lrt'
678 THREADH=posix-threads.h
679 # MIT pthreads doesn't seem to have the mutexattr functions.
680 # But for now we don't check for it. We just assume you aren't
681 # using MIT pthreads.
682 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
684 # If we're using the Boehm GC, then we happen to know that it
685 # defines _REENTRANT, so we don't bother. Eww.
686 if test "$GC" != boehm; then
687 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
689 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
693 THREADH=win32-threads.h
700 AC_CONFIG_LINKS(include/java-threads.h:include/$THREADH)
705 AC_SUBST(THREADLDFLAGS)
706 AC_SUBST(THREADCXXFLAGS)
707 AM_CONDITIONAL(USING_POSIX_THREADS, test "$THREADS" = posix)
708 AM_CONDITIONAL(USING_WIN32_THREADS, test "$THREADS" = win32)
709 AM_CONDITIONAL(USING_NO_THREADS, test "$THREADS" = none)
711 if test -d sysdep; then true; else mkdir sysdep; fi
712 AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$sysdeps_dir/locks.h)
713 AC_CONFIG_LINKS(sysdep/backtrace.h:$fallback_backtrace_h)
716 # Hash synchronization is only useful with posix threads right now.
717 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
718 HASH_SYNC_SPEC=-fhash-synchronization
719 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
721 AC_SUBST(HASH_SYNC_SPEC)
724 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
726 # We're in the tree with gcc, and need to include some of its headers.
727 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
729 TL_AC_GCC_VERSION([$srcdir/..])
731 # Figure out where generated headers like libgcj-config.h get installed.
732 tool_include_dir='$(libdir)/gcc/$(target_noncanonical)/'${gcc_version}/include
733 AC_SUBST(tool_include_dir)
735 if test "x${with_newlib}" = "xyes"; then
736 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
737 # may not work correctly, because the compiler may not be able to
740 # We assume newlib. This lets us hard-code the functions we know
742 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
743 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
744 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
745 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
746 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
747 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
748 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
749 # This is only for POSIX threads.
750 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
751 # We also assume we are using gcc, which provides alloca.
752 AC_DEFINE(HAVE_ALLOCA)
754 # Assume we do not have getuid and friends.
755 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
758 AC_CHECK_FUNCS([strerror ioctl select fstat open fsync sleep opendir \
759 gmtime_r localtime_r readdir_r getpwuid_r getcwd \
760 access stat mkdir rename rmdir unlink realpath utime chmod \
761 nl_langinfo setlocale \
762 inet_pton uname inet_ntoa \
763 fork execvp pipe sigaction ftruncate])
764 AC_CHECK_FUNCS(inet_aton inet_addr, break)
765 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
766 AC_CHECK_FUNC(backtrace, [
769 # Has broken backtrace()
772 # Has broken backtrace(), but we supply our own.
773 if test -d sysdep; then true; else mkdir -p sysdep; fi
775 AC_DEFINE(HAVE_BACKTRACE, 1,
776 [Define if your platform has a working backtrace() function.])
779 AC_DEFINE(HAVE_BACKTRACE, 1,
780 [Define if your platform has a working backtrace() function.])
786 # Has backtrace() defined in libgcj itself
787 AC_DEFINE(HAVE_BACKTRACE, 1,
788 [Define if your platform has a working backtrace() function.])
793 AC_CHECK_LIB(dl, dladdr, [
794 if test "x${disable_dladdr}" = "xyes"; then
798 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
801 if test x"$build" = x"$host"; then
802 AC_CHECK_FILES(/proc/self/exe, [
803 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
807 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
816 AC_CHECK_FUNCS(gethostbyname_r, [
817 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
818 [Define if you have the 'gethostbyname_r' function.])
819 # There are two different kinds of gethostbyname_r.
820 # We look for the one that returns `int'.
821 # Hopefully this check is robust enough.
822 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
823 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
826 *" -D_REENTRANT "*) ;;
828 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
829 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
830 [libjava_cv_gethostbyname_r_needs_reentrant],
832 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
833 [[gethostbyname_r("", 0, 0);]])],
834 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
835 CPPFLAGS_SAVE="$CPPFLAGS"
836 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
837 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[gethostbyname_r("", 0, 0);]])],
838 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
839 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
840 CPPFLAGS="$CPPFLAGS_SAVE"
844 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
845 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
850 AC_CACHE_CHECK([for struct hostent_data],
851 [libjava_cv_struct_hostent_data], [dnl
852 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
853 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
854 # define _REENTRANT 1
856 #include <netdb.h>]], [[struct hostent_data data;]])],
857 [libjava_cv_struct_hostent_data=yes],
858 [libjava_cv_struct_hostent_data=no])])
859 if test "x$libjava_cv_struct_hostent_data" = xyes; then
860 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
861 [Define if struct hostent_data is defined in netdb.h])
865 # FIXME: libjava source code expects to find a prototype for
866 # gethostbyaddr_r in netdb.h. The outer check ensures that
867 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
868 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
869 # linkage check is enough, yet C++ code requires proper prototypes.)
870 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
871 AC_CHECK_FUNCS(gethostbyaddr_r, [
872 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
873 [Define if you have the 'gethostbyaddr_r' function.])
874 # There are two different kinds of gethostbyaddr_r.
875 # We look for the one that returns `int'.
876 # Hopefully this check is robust enough.
877 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
878 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
879 [Define if gethostbyaddr_r returns 'int'.])])])])
881 AC_CHECK_FUNCS(gethostname, [
882 AC_DEFINE(HAVE_GETHOSTNAME, 1,
883 [Define if you have the 'gethostname' function.])
884 AC_EGREP_HEADER(gethostname, unistd.h, [
885 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
886 [Define if gethostname is declared in <unistd.h>.])])])
888 AC_CHECK_FUNCS(usleep, [
889 AC_EGREP_HEADER(usleep, unistd.h, [
890 AC_DEFINE(HAVE_USLEEP_DECL, 1,
891 [Define if usleep is declared in <unistd.h>.])])])
893 # Look for these functions in the thread library, but only bother
894 # if using POSIX threads.
895 if test "$THREADS" = posix; then
897 LIBS="$LIBS $THREADLIBS"
898 # Some POSIX thread systems don't have pthread_mutexattr_settype.
900 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
902 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
903 # Solaris 7 the name librt is preferred.
904 AC_CHECK_FUNCS(sched_yield, , [
905 AC_CHECK_LIB(rt, sched_yield, [
906 AC_DEFINE(HAVE_SCHED_YIELD)
907 THREADLIBS="$THREADLIBS -lrt"
908 THREADSPEC="$THREADSPEC -lrt"], [
909 AC_CHECK_LIB(posix4, sched_yield, [
910 AC_DEFINE(HAVE_SCHED_YIELD)
911 THREADLIBS="$THREADLIBS -lposix4"
912 THREADSPEC="$THREADSPEC -lposix4"])])])
915 # We can save a little space at runtime if the mutex has m_count
916 # or __m_count. This is a nice hack for Linux.
917 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[
918 extern pthread_mutex_t *mutex; int q = mutex->m_count;
919 ]])], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
920 [Define if pthread_mutex_t has m_count member.]), [
921 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[
922 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
923 ]])], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
924 [Define if pthread_mutex_t has __m_count member.]))])
927 # We require a way to get the time.
929 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
930 if test "$time_found" = no; then
931 AC_MSG_ERROR([no function found to get the time])
934 AC_CHECK_FUNCS(memmove)
938 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
939 if test "$memcpy_found" = no; then
940 AC_MSG_ERROR([memcpy is required])
943 AC_CHECK_LIB(dl, dlopen, [
944 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
946 # Some library-finding code we stole from Tcl.
947 #--------------------------------------------------------------------
948 # Check for the existence of the -lsocket and -lnsl libraries.
949 # The order here is important, so that they end up in the right
950 # order in the command line generated by make. Here are some
951 # special considerations:
952 # 1. Use "connect" and "accept" to check for -lsocket, and
953 # "gethostbyname" to check for -lnsl.
954 # 2. Use each function name only once: can't redo a check because
955 # autoconf caches the results of the last check and won't redo it.
956 # 3. Use -lnsl and -lsocket only if they supply procedures that
957 # aren't already present in the normal libraries. This is because
958 # IRIX 5.2 has libraries, but they aren't needed and they're
959 # bogus: they goof up name resolution if used.
960 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
961 # To get around this problem, check for both libraries together
962 # if -lsocket doesn't work by itself.
963 #--------------------------------------------------------------------
965 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
968 unset ac_cv_func_connect
969 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
970 if test "$gcj_checkSocket" = 1; then
971 unset ac_cv_func_connect
972 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
975 if test "$gcj_checkBoth" = 1; then
977 LIBS="$LIBS -lsocket -lnsl"
978 unset ac_cv_func_accept
979 AC_CHECK_FUNC(accept,
981 gcj_cv_lib_sockets="-lsocket -lnsl"])
982 unset ac_cv_func_accept
985 unset ac_cv_func_gethostbyname
987 LIBS="$LIBS $gcj_cv_lib_sockets"
988 AC_CHECK_FUNC(gethostbyname, ,
989 [AC_CHECK_LIB(nsl, main,
990 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
991 unset ac_cv_func_gethostbyname
994 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
996 if test "$with_system_zlib" = yes; then
997 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
1000 # Test for Gtk stuff, if asked for.
1001 if test "$use_gtk_awt" = yes; then
1002 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4)
1003 AC_SUBST(GTK_CFLAGS)
1006 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.4 gthread-2.0 >= 2.4)
1007 AC_SUBST(GLIB_CFLAGS)
1010 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
1011 AC_SUBST(LIBART_CFLAGS)
1012 AC_SUBST(LIBART_LIBS)
1014 # We require the XTest Extension to support java.awt.Robot.
1015 AC_CHECK_LIB([Xtst], [XTestQueryExtension], [true],
1016 [AC_MSG_ERROR([libXtst not found, required by java.awt.Robot])],
1020 # On Solaris, and maybe other architectures, the Boehm collector
1022 if test "$GC" = boehm; then
1023 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
1026 AM_CONDITIONAL(SUPPLY_BACKTRACE, test "$supply_backtrace" = yes)
1028 if test -z "${with_multisubdir}"; then
1031 builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'`
1036 # Which gcj do we use?
1038 built_gcc_dir="`cd ${builddotdot}/../../${host_subdir}/gcc && ${PWDCMD-pwd}`"
1039 if test -n "${with_cross_host}"; then
1040 # We are being configured with a cross compiler. We can't
1041 # use ac_exeext, because that is for the target platform.
1044 case "${with_cross_host}" in
1046 cross_host_exeext=.exe
1049 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
1050 if test x"$build_noncanonical" = x"$with_cross_host"; then
1051 # Ordinary cross (host!=target and host=build)
1054 # Canadian cross (host!=target and host!=build)
1061 # We are being configured with a native or crossed-native compiler
1062 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
1063 if test x"$build" = x"$host"; then
1064 # True native build (host=target and host=build)
1067 # Crossed-native build (host=target and host!=build)
1074 case "${which_gcj}" in
1076 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
1077 GCJH='$(MULTIBUILDTOP)../../$(host_subdir)/gcc/gcjh'
1078 ZIP='$(MULTIBUILDTOP)../../$(host_subdir)/fastjar/fastjar'
1081 if test "x${with_newlib}" = "xyes"; then
1082 # FIXME (comment): Why is this needed?
1084 GCJ="${target_noncanonical}-gcj"
1086 GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/"
1089 GCJH='$(target_noncanonical)-gcjh'
1092 GCJ="gcj -B`${PWDCMD-pwd}`/"
1093 ## In this case, gcj is found outside the build tree. However, zip is
1094 ## found in the build tree.
1095 ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'
1103 # Create it, so that compile/link tests don't fail
1104 test -f libgcj.spec || touch libgcj.spec
1106 # Use a semicolon as CLASSPATH separator for MinGW, otherwise a colon.
1108 *-mingw32) CLASSPATH_SEPARATOR=';' ;;
1109 *) CLASSPATH_SEPARATOR=':' ;;
1111 AC_SUBST(CLASSPATH_SEPARATOR)
1113 # We must search the source tree for java.lang, since we still don't
1114 # have libgcj.jar nor java/lang/*.class
1115 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
1116 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
1118 # Since some classes depend on this one, we need its source available
1119 # before we can do any GCJ compilation test :-(
1120 if test ! -f gnu/classpath/Configuration.java; then
1121 test -d gnu || mkdir gnu
1122 test -d gnu/classpath || mkdir gnu/classpath
1123 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
1124 -e 's,@TOOLKIT@,$TOOLKIT,' \
1125 < $srcdir/gnu/classpath/Configuration.java.in \
1126 > gnu/classpath/Configuration.java
1127 # We do not want to redirect the output of the grep below to /dev/null,
1128 # but we add /dev/null to the input list so that grep will print the
1129 # filename of Configuration.java in case it finds any matches.
1130 if grep @ gnu/classpath/Configuration.java /dev/null; then
1131 AC_MSG_ERROR([configure.ac is missing the substitutions above])
1137 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
1139 AC_COMPILE_CHECK_SIZEOF(void *)
1141 AC_C_BIGENDIAN_CROSS
1147 if test -z "$ZLIBSPEC"; then
1148 # Use zlib from the GCC tree.
1149 ZINCS='-I$(top_srcdir)/../zlib'
1150 ZLIBS=../zlib/libzgcj_convenience.la
1153 SYS_ZLIBS="$ZLIBSPEC"
1158 AC_SUBST(DIVIDESPEC)
1159 AC_SUBST(CHECKREFSPEC)
1160 AC_SUBST(EXCEPTIONSPEC)
1163 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes)
1164 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1165 AC_SUBST(GCC_UNWIND_INCLUDE)
1167 # Process the option "--enable-version-specific-runtime-libs"
1168 # Calculate toolexeclibdir
1169 case ${version_specific_libs} in
1171 # Need the gcc compiler version to know where to install libraries
1172 # and header files if --enable-version-specific-runtime-libs option
1174 includedir='${libdir}/gcc/${target_noncanonical}/'$gcc_version/include/
1175 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
1176 toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1177 toolexeclibdir=$toolexecmainlibdir
1180 if test -n "$with_cross_host" &&
1181 test x"$with_cross_host" != x"no"; then
1182 # Install a library built with a cross compiler in tooldir, not libdir.
1183 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
1184 toolexecmainlibdir='$(toolexecdir)/lib'
1186 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
1187 toolexecmainlibdir='$(libdir)'
1189 multi_os_directory=`$CC -print-multi-os-directory`
1190 case $multi_os_directory in
1191 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1192 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1196 AC_SUBST(toolexecdir)
1197 AC_SUBST(toolexecmainlibdir)
1198 AC_SUBST(toolexeclibdir)
1200 # Determine gcj version number.
1201 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([[^ ]]*\).*$/\1/p'`
1202 GCJVERSION=$gcjversion
1203 AC_SUBST(GCJVERSION)
1204 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1206 TL_AC_GXX_INCLUDE_DIR
1208 # We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1209 # On that system, sys/ioctl.h will not include sys/filio.h unless
1210 # BSD_COMP is defined; just including sys/filio.h is simpler.
1211 # We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1212 # for now. If you change this, you also must update natFile.cc.
1213 AC_CHECK_HEADERS([unistd.h bstring.h sys/time.h sys/types.h fcntl.h \
1214 sys/ioctl.h sys/filio.h sys/stat.h sys/select.h \
1215 sys/socket.h netinet/in.h arpa/inet.h netdb.h net/if.h \
1216 pwd.h sys/config.h stdint.h langinfo.h locale.h \
1218 AC_CHECK_HEADERS(inttypes.h, [
1219 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1220 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1224 AC_CHECK_TYPE([ssize_t], [int])
1226 AC_MSG_CHECKING([for in_addr_t])
1227 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1232 #if HAVE_NETINET_IN_H
1233 #include <netinet/in.h>
1234 #endif]], [[in_addr_t foo;]])],
1235 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1236 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1237 AC_MSG_RESULT(yes)],
1238 [AC_MSG_RESULT(no)])
1240 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1241 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[struct ip_mreq mreq;]])],
1242 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1243 [Define if struct ip_mreq is defined in netinet/in.h.])
1244 AC_MSG_RESULT(yes)],
1245 [AC_MSG_RESULT(no)])
1247 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1248 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[struct ipv6_mreq mreq6;]])],
1249 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1250 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1251 AC_MSG_RESULT(yes)],
1252 [AC_MSG_RESULT(no)])
1254 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1255 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[struct sockaddr_in6 addr6;]])],
1256 [AC_DEFINE(HAVE_INET6, 1,
1257 [Define if inet6 structures are defined in netinet/in.h.])
1258 AC_MSG_RESULT(yes)],
1259 [AC_MSG_RESULT(no)])
1261 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1262 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#define _POSIX_PII_SOCKET
1263 #include <sys/types.h>
1264 #include <sys/socket.h>]], [[socklen_t x = 5;]])],
1265 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1266 AC_MSG_RESULT(yes)],
1267 [AC_MSG_RESULT(no)])
1269 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1270 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[struct tm tim; tim.tm_gmtoff = 0;]])],
1271 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1272 AC_MSG_RESULT(yes)],
1274 AC_MSG_CHECKING([for global timezone variable])
1275 dnl FIXME: we don't want a link check here because that won't work
1276 dnl when cross-compiling. So instead we make an assumption that
1277 dnl the header file will mention timezone if it exists.
1278 dnl Don't find the win32 function timezone
1279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[void i(){long z2 = 2*timezone;}]])],
1280 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1281 AC_MSG_RESULT(yes)],
1283 AC_MSG_CHECKING([for global _timezone variable])
1284 dnl FIXME: As above, don't want link check
1285 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[long z2 = _timezone;]])],
1286 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1287 [Define if your platform has the global _timezone variable.])
1288 AC_MSG_RESULT(yes)],
1289 [AC_MSG_RESULT(no)])])])
1294 AC_CHECK_PROGS(PERL, perl, false)
1301 SIGNAL_HANDLER=include/i386-signal.h
1303 sparc*-sun-solaris*)
1304 SIGNAL_HANDLER=include/sparc-signal.h
1307 # SYSDEP_SOURCES=sysdep/ia64.c
1308 # test -d sysdep || mkdir sysdep
1311 SIGNAL_HANDLER=include/pa-signal.h
1314 SIGNAL_HANDLER=include/dwarf2-signal.h
1317 SIGNAL_HANDLER=include/powerpc-signal.h
1320 SIGNAL_HANDLER=include/dwarf2-signal.h
1323 SIGNAL_HANDLER=include/s390-signal.h
1326 SIGNAL_HANDLER=include/x86_64-signal.h
1327 SIGNAL_HANDLER_AUX=include/i386-signal.h
1330 SIGNAL_HANDLER=include/dwarf2-signal.h
1333 SIGNAL_HANDLER=include/sh-signal.h
1336 SIGNAL_HANDLER=include/win32-signal.h
1339 SIGNAL_HANDLER=include/mips-signal.h
1342 SIGNAL_HANDLER=include/darwin-signal.h
1345 SIGNAL_HANDLER=include/default-signal.h
1349 # If we're using sjlj exceptions, forget what we just learned.
1350 if test "$enable_sjlj_exceptions" = yes; then
1351 SIGNAL_HANDLER=include/default-signal.h
1355 # Define here any compiler flags that you need in order to make backtrace() work.
1358 x86_64*-*-linux*|i?86-*)
1359 BACKTRACESPEC=-fno-omit-frame-pointer
1362 AC_SUBST(BACKTRACESPEC)
1364 AC_SUBST(SYSDEP_SOURCES)
1366 if test -z "$SIGNAL_HANDLER_AUX"; then
1367 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1370 AC_CONFIG_LINKS(include/java-signal.h:$SIGNAL_HANDLER
1371 include/java-signal-aux.h:$SIGNAL_HANDLER_AUX)
1373 if test "${multilib}" = "yes"; then
1374 multilib_arg="--enable-multilib"
1381 here=`${PWDCMD-pwd}`
1384 # We get this from the environment.
1392 gnu/classpath/Configuration.java
1397 external/sax/Makefile
1398 external/w3c_dom/Makefile
1401 AC_CONFIG_COMMANDS([default],
1402 [# Only add multilib support code if we just rebuilt top-level Makefile.
1403 case " $CONFIG_FILES " in
1405 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1406 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1413 with_multisubdir=${with_multisubdir}
1414 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1415 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1416 libgcj_basedir=${libgcj_basedir}
1419 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"