1 dnl # Process this with autoconf to create configure
3 AC_INIT(java/lang/System.java)
5 # We use these options to decide which functions to include.
6 AC_ARG_WITH(target-subdir,
7 AS_HELP_STRING([--with-target-subdir=SUBDIR],
8 [configure in a subdirectory]))
10 # We may get other options which we don't document:
11 # --with-target-subdir, --with-multisrctop, --with-multisubdir
13 # When building with srcdir == objdir, links to the source files will
14 # be created in directories within the target_subdir. We have to
15 # adjust toplevel_srcdir accordingly, so that configure finds
16 # install-sh and other auxiliary files that live in the top-level
18 if test "${srcdir}" = "."; then
19 if test -z "${with_target_subdir}"; then
22 if test "${with_target_subdir}" != "."; then
23 toprel="${with_multisrctop}../.."
25 toprel="${with_multisrctop}.."
32 libgcj_basedir=$srcdir/$toprel/./libjava
33 AC_SUBST(libgcj_basedir)
35 AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
37 # This overrides the previous occurrence for automake, but not for
38 # autoconf, which is exactly what we want.
43 _GCC_TOPLEV_NONCANONICAL_BUILD
44 _GCC_TOPLEV_NONCANONICAL_TARGET
46 AC_SUBST(target_noncanonical)
48 # This works around the fact that libtool configuration may change LD
49 # for this particular configuration, but some shells, instead of
50 # keeping the changes in LD private, export them just because LD is
52 ORIGINAL_LD_FOR_MULTILIBS=$LD
56 # This works around an automake problem.
57 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
58 AC_SUBST(mkinstalldirs)
60 AC_ARG_WITH(cross-host,
61 AS_HELP_STRING([--with-cross-host=HOST],
62 [configure with a cross compiler from HOST]))
65 AS_HELP_STRING([--with-newlib],
66 [configure with newlib]))
68 AC_ARG_ENABLE(version-specific-runtime-libs,
69 AS_HELP_STRING([--enable-version-specific-runtime-libs],
70 [specify that runtime libraries should be installed in a compiler-specific directory]),
72 yes) version_specific_libs=yes ;;
73 no) version_specific_libs=no ;;
74 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
76 [version_specific_libs=no]
79 # Default to --enable-multilib
80 AC_ARG_ENABLE(multilib,
81 AS_HELP_STRING([--enable-multilib],
82 [build many library versions (default)]),
83 [case "${enableval}" in
86 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
87 esac], [multilib=yes])dnl
89 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
92 # (1) We use an abnormal CXX (without library references), so we
93 # must cache it under a different name.
94 # (2) CC, CFLAGS, CXX, CXXFLAGS, LDFLAGS must not be 'precious', or
95 # the non-multilib-adjusted value will be used in multilibs.
96 # (3) As a side effect, we must SUBST CXXFLAGS, CFLAGS, and LDFLAGS ourselves.
97 # (4) As another side effect, automake doesn't automatically include them
99 # (5) For libstdc++-v3, -fno-builtin must be present here so that a
100 # non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and
101 # used in later tests. This may not be necessary in libjava; I don't know.
102 m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX])
103 m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS])
104 m4_define([_AC_ARG_VAR_PRECIOUS],[])
105 save_CXXFLAGS="$CXXFLAGS"
106 CXXFLAGS="$CXXFLAGS -fno-builtin"
109 CXXFLAGS="$save_CXXFLAGS"
110 m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
115 # version is pulled out to make it a bit easier to change using sed.
117 # Still use "libjava" here to placate dejagnu.
118 AM_INIT_AUTOMAKE(libjava, $version)
120 AC_CHECK_TOOL(AS, as)
121 AC_CHECK_TOOL(AR, ar)
122 AC_CHECK_TOOL(RANLIB, ranlib, :)
130 # configure.host sets the following important variables
131 # libgcj_cflags - host specific C compiler flags
132 # libgcj_cxxflags - host specific C++ compiler flags
133 # libgcj_javaflags - host specific Java compiler flags
139 . ${srcdir}/configure.host
141 LIBGCJ_CFLAGS="${libgcj_cflags}"
142 LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
143 LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
144 AC_SUBST(LIBGCJ_CFLAGS)
145 AC_SUBST(LIBGCJ_CXXFLAGS)
146 AC_SUBST(LIBGCJ_JAVAFLAGS)
148 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
150 # Only use libltdl for non-newlib builds.
151 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
152 AC_LIBLTDL_CONVENIENCE
155 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
156 # Sigh. Libtool's macro doesn't do the right thing.
157 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
158 # FIXME: this is a hack.
159 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
160 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
166 AC_CONFIG_SUBDIRS($DIRLTDL)
168 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
175 # The -no-testsuite modules omit the test subdir.
176 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
178 # Should the runtime set system properties by examining the
179 # environment variable GCJ_PROPERTIES?
180 AC_ARG_ENABLE(getenv-properties,
181 AS_HELP_STRING([--disable-getenv-properties],
182 [don't set system properties from GCJ_PROPERTIES]))
184 # Whether GCJ_PROPERTIES is used depends on the target.
185 if test -z "$enable_getenv_properties"; then
186 enable_getenv_properties=${enable_getenv_properties_default-yes}
188 if test "$enable_getenv_properties" = no; then
189 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
190 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
193 # Whether we should use arguments to main()
194 if test -z "$enable_main_args"; then
195 enable_main_args=${enable_main_args_default-yes}
197 if test "$enable_main_args" = no; then
198 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
202 # Should we use hashtable-based synchronization?
203 # Currently works only for Linux X86/ia64
204 # Typically faster and more space-efficient
205 AC_ARG_ENABLE(hash-synchronization,
206 AS_HELP_STRING([--enable-hash-synchronization],
207 [use global hash table for monitor locks]))
209 if test -z "$enable_hash_synchronization"; then
210 enable_hash_synchronization=$enable_hash_synchronization_default
213 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
214 AC_ARG_ENABLE(libgcj-multifile,
215 AS_HELP_STRING([--enable-libgcj-multifile]
216 [allow compilation of several files at once]),
217 [case "${enableval}" in
218 yes) enable_libgcj_multifile=yes ;;
219 no) enable_libgcj_multifile=no ;;
220 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
221 esac],[enable_libgcj_multifile=no])
222 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
224 # What is the native OS API for MinGW?
225 AC_ARG_WITH(win32-nlsapi,
226 AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode],
227 [native MinGW libgcj Win32 OS API (default is ansi)]),
228 [case "${withval}" in
229 ansi) with_win32_nlsapi=ansi ;;
230 unicows) with_win32_nlsapi=unicows ;;
231 unicode) with_win32_nlsapi=unicode ;;
232 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
233 esac],[with_win32_nlsapi=ansi])
235 case "${with_win32_nlsapi}" in
237 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
238 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
242 # configure.host sets slow_pthread_self if the synchronization code should
243 # try to avoid pthread_self calls by caching thread IDs in a hashtable.
244 if test "${slow_pthread_self}" = "yes"; then
245 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
246 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
250 # See if the user has requested runtime debugging.
252 AC_SUBST(LIBGCJDEBUG)
253 AC_ARG_ENABLE(libgcj-debug,
254 AS_HELP_STRING([--enable-libgcj-debug],
255 [enable runtime debugging code]),
256 [if test "$enable_libgcj_debug" = yes; then
257 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
261 # See if the user has the interpreter included.
262 AC_ARG_ENABLE(interpreter,
263 AS_HELP_STRING([--enable-interpreter],
264 [enable interpreter]),
265 [if test "$enable_interpreter" = yes; then
266 # This can also be set in configure.host.
267 libgcj_interpreter=yes
268 elif test "$enable_interpreter" = no; then
269 libgcj_interpreter=no
272 if test "$libgcj_interpreter" = yes; then
273 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
275 INTERPRETER="$libgcj_interpreter"
276 AC_SUBST(INTERPRETER)
278 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"
386 AC_SUBST(EXTRA_CC_FILES)
389 PLATFORM_INNER_NAT_HDRS=
390 case "$TARGET_ECOS" in
395 PLATFORMOBJS=win32.lo
397 CHECK_FOR_BROKEN_MINGW_LD
402 PLATFORMOBJS=posix.lo
404 PLATFORM_INNER_NAT_HDRS='java/lang/ConcreteProcess$$ProcessManager.h'
411 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
412 PLATFORMOBJS=posix.lo
416 AC_SUBST(PLATFORMOBJS)
417 AC_SUBST(PLATFORM_INNER_NAT_HDRS)
418 AC_CONFIG_LINKS(include/platform.h:include/$PLATFORMH)
420 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
421 [Define if you have int32_t and uint32_t.]))
422 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
423 [Define if you have int32_t and uint32_t.]))
424 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
425 [Define if you have u_int32_t]))
426 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
427 [Define if you have u_int32_t]))
430 # These may not be defined in a non-ANS conformant embedded system.
431 # FIXME: Should these case a runtime exception in that case?
432 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
433 [Define is you have 'mktime' in <time.h>]))
434 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
435 [Define is you have 'localtime' in <time.h>]))
437 # Create the subdirectory for natFile.cc, or the attempt
438 # to create the link will fail.
439 test -d java || mkdir java
440 test -d java/io || mkdir java/io
441 test -d gnu || mkdir gnu
442 AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc)
444 # Likewise for ConcreteProcess.java and natConcreteProcess.cc.
445 test -d java/lang || mkdir java/lang
446 AC_CONFIG_LINKS(java/lang/ConcreteProcess.java:java/lang/${PLATFORM}Process.java)
447 AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc)
449 # Likewise for natInetAddress.cc and natNetworkInterface.cc.
450 test -d java/net || mkdir java/net
451 AC_CONFIG_LINKS(java/net/natInetAddress.cc:java/net/natInetAddress${PLATFORMNET}.cc)
452 AC_CONFIG_LINKS(java/net/natNetworkInterface.cc:java/net/natNetworkInterface${PLATFORMNET}.cc)
454 # Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
455 test -d gnu/java || mkdir gnu/java
456 test -d gnu/java/net || mkdir gnu/java/net
457 AC_CONFIG_LINKS(gnu/java/net/natPlainSocketImpl.cc:gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc)
458 AC_CONFIG_LINKS(gnu/java/net/natPlainDatagramSocketImpl.cc:gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc)
460 # Likewise for natPipeImpl.cc and natSelectorImpl.cc.
461 test -d gnu/java/nio || mkdir gnu/java/nio
462 AC_CONFIG_LINKS(gnu/java/nio/natPipeImpl.cc:gnu/java/nio/natPipeImpl${PLATFORM}.cc)
463 AC_CONFIG_LINKS(gnu/java/nio/natSelectorImpl.cc:gnu/java/nio/natSelectorImpl${PLATFORM}.cc)
464 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
465 AC_CONFIG_LINKS(gnu/java/nio/channels/natFileChannelImpl.cc:gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc)
469 SYSTEMSPEC="-lgdi32 -lws2_32"
470 if test "${with_win32_nlsapi}" = "unicows"; then
471 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
480 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
481 AC_SUBST(LIBGCJTESTSPEC)
483 AC_ARG_WITH(system-zlib,
484 AS_HELP_STRING([--with-system-zlib],
485 [use installed libz]))
489 AC_SUBST(ZLIBTESTSPEC)
493 # Determine which AWT peer libraries to build
494 AC_ARG_ENABLE(java-awt,
495 AS_HELP_STRING([--enable-java-awt],
496 [list of AWT peer implementations to be built]))
498 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
501 # The default toolkit to use is the first one specified.
505 for peer in $peerlibs ; do
508 if test "$no_x" = yes; then
509 echo "*** xlib peers requested but no X library available" 1>&2
513 if test -z "$TOOLKIT"; then
514 TOOLKIT=gnu.awt.xlib.XToolkit
519 if test "$no_x" = yes; then
520 echo "*** xlib peers requested but no X library available" 1>&2
524 if test -z "$TOOLKIT"; then
525 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
527 test -d jniinclude || mkdir jniinclude
536 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
541 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
542 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
544 # determine whether to enable the cairo GTK Graphics2D backend
545 AC_ARG_ENABLE(gtk-cairo,
546 AS_HELP_STRING([--enable-gtk-cairo],
547 [build the cairo Graphics2D implementation on GTK]))
548 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
549 if test "x${enable_gtk_cairo}" = xyes
551 PKG_CHECK_MODULES(CAIRO, cairo)
552 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
555 AC_SUBST(CAIRO_CFLAGS)
556 AC_SUBST(PANGOFT2_LIBS)
557 AC_SUBST(PANGOFT2_CFLAGS)
559 # FIXME: this should be _libs on some hosts.
562 # Allow the GC to be disabled. Can be useful when debugging.
563 AC_MSG_CHECKING([for garbage collector to use])
564 AC_ARG_ENABLE(java-gc,
565 AS_HELP_STRING([--enable-java-gc=TYPE],
566 [choose garbage collector (default is boehm)]),
579 GCLIBS=../boehm-gc/libgcjgc_convenience.la
580 JC1GCSPEC='-fuse-boehm-gc'
581 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
583 # We also want to pick up some cpp flags required when including
584 # boehm-config.h. Yuck.
585 GCINCS="`cat ../boehm-gc/boehm-cflags`"
588 # The POSIX thread support needs to know this.
589 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
597 AC_MSG_ERROR(unrecognized collector \"$GC\")
607 AC_CONFIG_LINKS(include/java-gc.h:include/$GCHDR)
610 AC_MSG_CHECKING([for thread model used by GCC])
611 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
612 AC_MSG_RESULT([$THREADS])
622 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
628 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
629 AC_MSG_ERROR(thread package $THREADS not yet supported)
632 AC_MSG_ERROR($THREADS is an unknown thread package)
648 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
650 *-*-freebsd[[1234]]*)
651 # Before FreeBSD 5, it didn't have -lpthread (or any library which
652 # merely adds pthread_* functions) but it does have a -pthread switch
653 # which is required at link-time to select -lc_r *instead* of -lc.
654 THREADLDFLAGS=-pthread
655 # Don't set THREADSPEC here as might be expected since -pthread is
656 # not processed when found within a spec file, it must come from
657 # the command line. For now, the user must provide the -pthread
658 # switch to link code compiled with gcj. In future, consider adding
659 # support for weak references to pthread_* functions ala gthr.h API.
660 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
663 # FreeBSD 5 implements a model much closer to other modern UNIX
664 # which support threads. However, it still does not support
666 THREADLDFLAGS=-pthread
670 THREADCXXFLAGS=-pthread
671 # boehm-gc needs some functions from librt, so link that too.
672 THREADLIBS='-lpthread -lrt'
673 THREADSPEC='-lpthread -lrt'
680 THREADOBJS=posix-threads.lo
681 THREADH=posix-threads.h
682 # MIT pthreads doesn't seem to have the mutexattr functions.
683 # But for now we don't check for it. We just assume you aren't
684 # using MIT pthreads.
685 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
687 # If we're using the Boehm GC, then we happen to know that it
688 # defines _REENTRANT, so we don't bother. Eww.
689 if test "$GC" != boehm; then
690 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
692 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
696 THREADOBJS=win32-threads.lo
697 THREADH=win32-threads.h
701 THREADOBJS=no-threads.lo
705 AC_CONFIG_LINKS(include/java-threads.h:include/$THREADH)
711 AC_SUBST(THREADLDFLAGS)
712 AC_SUBST(THREADCXXFLAGS)
714 if test -d sysdep; then true; else mkdir sysdep; fi
715 AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$sysdeps_dir/locks.h)
718 # Hash synchronization is only useful with posix threads right now.
719 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
720 HASH_SYNC_SPEC=-fhash-synchronization
721 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
723 AC_SUBST(HASH_SYNC_SPEC)
726 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
728 # We're in the tree with gcc, and need to include some of its headers.
729 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
731 # Figure out where generated headers like libgcj-config.h get installed.
732 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
733 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^\"]]*\)\".*/\1/'`
734 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([[^ ]]*\) .*/\1/'`
735 tool_include_dir='$(libdir)/gcc/$(target_noncanonical)/'${gcc_version}/include
736 AC_SUBST(tool_include_dir)
737 AC_SUBST(gcc_version)
739 if test "x${with_newlib}" = "xyes"; then
740 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
741 # may not work correctly, because the compiler may not be able to
744 # We assume newlib. This lets us hard-code the functions we know
746 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
747 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
748 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
749 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
750 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
751 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
752 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
753 # This is only for POSIX threads.
754 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
755 # We also assume we are using gcc, which provides alloca.
756 AC_DEFINE(HAVE_ALLOCA)
758 # Assume we do not have getuid and friends.
759 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
762 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
763 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
764 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
765 AC_CHECK_FUNCS(nl_langinfo setlocale)
766 AC_CHECK_FUNCS(inet_aton inet_addr, break)
767 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
768 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
769 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
770 AC_CHECK_FUNC(backtrace, [
773 # Has broken backtrace()
776 # Has broken backtrace(), but we supply our own.
777 if test -d sysdep; then true; else mkdir -p sysdep; fi
778 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
779 AC_DEFINE(HAVE_BACKTRACE, 1,
780 [Define if your platform has a working backtrace() function.])
783 AC_DEFINE(HAVE_BACKTRACE, 1,
784 [Define if your platform has a working backtrace() function.])
790 # Has backtrace() defined in libgcj itself
791 AC_DEFINE(HAVE_BACKTRACE, 1,
792 [Define if your platform has a working backtrace() function.])
797 AC_CHECK_LIB(dl, dladdr, [
798 if test "x${disable_dladdr}" = "xyes"; then
802 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
805 if test x"$build" = x"$host"; then
806 AC_CHECK_FILES(/proc/self/exe, [
807 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
811 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
820 AC_CHECK_FUNCS(gethostbyname_r, [
821 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
822 [Define if you have the 'gethostbyname_r' function.])
823 # There are two different kinds of gethostbyname_r.
824 # We look for the one that returns `int'.
825 # Hopefully this check is robust enough.
826 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
827 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
830 *" -D_REENTRANT "*) ;;
832 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
833 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
834 [libjava_cv_gethostbyname_r_needs_reentrant],
837 AC_TRY_COMPILE([#include <netdb.h>],
838 [gethostbyname_r("", 0, 0);],
839 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
840 CPPFLAGS_SAVE="$CPPFLAGS"
841 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
842 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
843 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
844 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
845 CPPFLAGS="$CPPFLAGS_SAVE"
849 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
850 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
855 AC_CACHE_CHECK([for struct hostent_data],
856 [libjava_cv_struct_hostent_data], [dnl
858 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
859 # define _REENTRANT 1
861 #include <netdb.h>], [struct hostent_data data;],
862 [libjava_cv_struct_hostent_data=yes],
863 [libjava_cv_struct_hostent_data=no])])
864 if test "x$libjava_cv_struct_hostent_data" = xyes; then
865 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
866 [Define if struct hostent_data is defined in netdb.h])
870 # FIXME: libjava source code expects to find a prototype for
871 # gethostbyaddr_r in netdb.h. The outer check ensures that
872 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
873 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
874 # linkage check is enough, yet C++ code requires proper prototypes.)
875 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
876 AC_CHECK_FUNCS(gethostbyaddr_r, [
877 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
878 [Define if you have the 'gethostbyaddr_r' function.])
879 # There are two different kinds of gethostbyaddr_r.
880 # We look for the one that returns `int'.
881 # Hopefully this check is robust enough.
882 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
883 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
884 [Define if gethostbyaddr_r returns 'int'.])])])])
886 AC_CHECK_FUNCS(gethostname, [
887 AC_DEFINE(HAVE_GETHOSTNAME, 1,
888 [Define if you have the 'gethostname' function.])
889 AC_EGREP_HEADER(gethostname, unistd.h, [
890 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
891 [Define if gethostname is declared in <unistd.h>.])])])
893 AC_CHECK_FUNCS(usleep, [
894 AC_EGREP_HEADER(usleep, unistd.h, [
895 AC_DEFINE(HAVE_USLEEP_DECL, 1,
896 [Define if usleep is declared in <unistd.h>.])])])
898 # Look for these functions in the thread library, but only bother
899 # if using POSIX threads.
900 if test "$THREADS" = posix; then
902 LIBS="$LIBS $THREADLIBS"
903 # Some POSIX thread systems don't have pthread_mutexattr_settype.
905 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
907 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
908 # Solaris 7 the name librt is preferred.
909 AC_CHECK_FUNCS(sched_yield, , [
910 AC_CHECK_LIB(rt, sched_yield, [
911 AC_DEFINE(HAVE_SCHED_YIELD)
912 THREADLIBS="$THREADLIBS -lrt"
913 THREADSPEC="$THREADSPEC -lrt"], [
914 AC_CHECK_LIB(posix4, sched_yield, [
915 AC_DEFINE(HAVE_SCHED_YIELD)
916 THREADLIBS="$THREADLIBS -lposix4"
917 THREADSPEC="$THREADSPEC -lposix4"])])])
920 # We can save a little space at runtime if the mutex has m_count
921 # or __m_count. This is a nice hack for Linux.
922 AC_TRY_COMPILE([#include <pthread.h>], [
923 extern pthread_mutex_t *mutex; int q = mutex->m_count;
924 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
925 [Define if pthread_mutex_t has m_count member.]), [
926 AC_TRY_COMPILE([#include <pthread.h>], [
927 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
928 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
929 [Define if pthread_mutex_t has __m_count member.]))])
932 # We require a way to get the time.
934 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
935 if test "$time_found" = no; then
936 AC_MSG_ERROR([no function found to get the time])
939 AC_CHECK_FUNCS(memmove)
943 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
944 if test "$memcpy_found" = no; then
945 AC_MSG_ERROR([memcpy is required])
948 AC_CHECK_LIB(dl, dlopen, [
949 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
951 # Some library-finding code we stole from Tcl.
952 #--------------------------------------------------------------------
953 # Check for the existence of the -lsocket and -lnsl libraries.
954 # The order here is important, so that they end up in the right
955 # order in the command line generated by make. Here are some
956 # special considerations:
957 # 1. Use "connect" and "accept" to check for -lsocket, and
958 # "gethostbyname" to check for -lnsl.
959 # 2. Use each function name only once: can't redo a check because
960 # autoconf caches the results of the last check and won't redo it.
961 # 3. Use -lnsl and -lsocket only if they supply procedures that
962 # aren't already present in the normal libraries. This is because
963 # IRIX 5.2 has libraries, but they aren't needed and they're
964 # bogus: they goof up name resolution if used.
965 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
966 # To get around this problem, check for both libraries together
967 # if -lsocket doesn't work by itself.
968 #--------------------------------------------------------------------
970 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
973 unset ac_cv_func_connect
974 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
975 if test "$gcj_checkSocket" = 1; then
976 unset ac_cv_func_connect
977 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
980 if test "$gcj_checkBoth" = 1; then
982 LIBS="$LIBS -lsocket -lnsl"
983 unset ac_cv_func_accept
984 AC_CHECK_FUNC(accept,
986 gcj_cv_lib_sockets="-lsocket -lnsl"])
987 unset ac_cv_func_accept
990 unset ac_cv_func_gethostbyname
992 LIBS="$LIBS $gcj_cv_lib_sockets"
993 AC_CHECK_FUNC(gethostbyname, ,
994 [AC_CHECK_LIB(nsl, main,
995 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
996 unset ac_cv_func_gethostbyname
999 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
1001 if test "$with_system_zlib" = yes; then
1002 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
1005 # Test for Gtk stuff, if asked for.
1006 if test "$use_gtk_awt" = yes; then
1007 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4)
1008 AC_SUBST(GTK_CFLAGS)
1011 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.4 gthread-2.0 >= 2.4)
1012 AC_SUBST(GLIB_CFLAGS)
1015 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
1016 AC_SUBST(LIBART_CFLAGS)
1017 AC_SUBST(LIBART_LIBS)
1020 # On Solaris, and maybe other architectures, the Boehm collector
1022 if test "$GC" = boehm; then
1023 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
1027 if test -z "${with_multisubdir}"; then
1030 builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'`
1035 # Which gcj do we use?
1037 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
1038 if test -n "${with_cross_host}"; then
1039 # We are being configured with a cross compiler. We can't
1040 # use ac_exeext, because that is for the target platform.
1043 case "${with_cross_host}" in
1045 cross_host_exeext=.exe
1048 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
1049 if test x"$build_noncanonical" = x"$with_cross_host"; then
1050 # Ordinary cross (host!=target and host=build)
1053 # Canadian cross (host!=target and host!=build)
1060 # We are being configured with a native or crossed-native compiler
1061 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
1062 if test x"$build" = x"$host"; then
1063 # True native build (host=target and host=build)
1066 # Crossed-native build (host=target and host!=build)
1073 case "${which_gcj}" in
1075 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
1076 GCJH='$(MULTIBUILDTOP)../$(COMPPATH)/gcc/gcjh'
1077 ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'
1080 if test "x${with_newlib}" = "xyes"; then
1081 # FIXME (comment): Why is this needed?
1083 GCJ="${target_noncanonical}-gcj"
1085 GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/"
1088 GCJH='$(target_noncanonical)-gcjh'
1091 GCJ="gcj -B`${PWDCMD-pwd}`/"
1092 ## In this case, gcj is found outside the build tree. However, zip is
1093 ## found in the build tree.
1094 ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'
1102 # Create it, so that compile/link tests don't fail
1103 test -f libgcj.spec || touch libgcj.spec
1105 # We must search the source tree for java.lang, since we still don't
1106 # have libgcj.jar nor java/lang/*.class
1107 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
1108 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
1110 # Since some classes depend on this one, we need its source available
1111 # before we can do any GCJ compilation test :-(
1112 if test ! -f gnu/classpath/Configuration.java; then
1113 test -d gnu || mkdir gnu
1114 test -d gnu/classpath || mkdir gnu/classpath
1115 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
1116 -e 's,@TOOLKIT@,$TOOLKIT,' \
1117 < $srcdir/gnu/classpath/Configuration.java.in \
1118 > gnu/classpath/Configuration.java
1119 # We do not want to redirect the output of the grep below to /dev/null,
1120 # but we add /dev/null to the input list so that grep will print the
1121 # filename of Configuration.java in case it finds any matches.
1122 if grep @ gnu/classpath/Configuration.java /dev/null; then
1123 AC_MSG_ERROR([configure.in is missing the substitutions above])
1129 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
1131 AC_COMPILE_CHECK_SIZEOF(void *)
1137 if test -z "$ZLIBSPEC"; then
1138 # Use zlib from the GCC tree.
1139 ZINCS='-I$(top_srcdir)/../zlib'
1140 ZLIBS=../zlib/libzgcj_convenience.la
1143 SYS_ZLIBS="$ZLIBSPEC"
1148 AC_SUBST(DIVIDESPEC)
1149 AC_SUBST(CHECKREFSPEC)
1150 AC_SUBST(EXCEPTIONSPEC)
1153 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes)
1154 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1155 AC_SUBST(GCC_UNWIND_INCLUDE)
1157 # Process the option "--enable-version-specific-runtime-libs"
1158 # Calculate toolexeclibdir
1159 case ${version_specific_libs} in
1161 # Need the gcc compiler version to know where to install libraries
1162 # and header files if --enable-version-specific-runtime-libs option
1164 includedir='${libdir}/gcc/${target_noncanonical}/'$gcc_version/include/
1165 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
1166 toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1167 toolexeclibdir=$toolexecmainlibdir
1170 if test -n "$with_cross_host" &&
1171 test x"$with_cross_host" != x"no"; then
1172 # Install a library built with a cross compiler in tooldir, not libdir.
1173 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
1174 toolexecmainlibdir='$(toolexecdir)/lib'
1176 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
1177 toolexecmainlibdir='$(libdir)'
1179 multi_os_directory=`$CC -print-multi-os-directory`
1180 case $multi_os_directory in
1181 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1182 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1186 AC_SUBST(toolexecdir)
1187 AC_SUBST(toolexecmainlibdir)
1188 AC_SUBST(toolexeclibdir)
1190 # Determine gcj version number.
1191 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([[^ ]]*\).*$/\1/p'`
1192 GCJVERSION=$gcjversion
1193 AC_SUBST(GCJVERSION)
1194 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1196 # We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1197 # On that system, sys/ioctl.h will not include sys/filio.h unless
1198 # BSD_COMP is defined; just including sys/filio.h is simpler.
1199 AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h net/if.h pwd.h sys/config.h stdint.h langinfo.h locale.h)
1200 # We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1201 # for now. If you change this, you also must update natFile.cc.
1202 AC_CHECK_HEADERS(dirent.h)
1203 AC_CHECK_HEADERS(inttypes.h, [
1204 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1205 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1209 AC_CHECK_TYPE([ssize_t], [int])
1211 AC_MSG_CHECKING([for in_addr_t])
1212 AC_TRY_COMPILE([#include <sys/types.h>
1217 #if HAVE_NETINET_IN_H
1218 #include <netinet/in.h>
1219 #endif], [in_addr_t foo;],
1220 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1221 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1222 AC_MSG_RESULT(yes)],
1223 [AC_MSG_RESULT(no)])
1225 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1226 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1227 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1228 [Define if struct ip_mreq is defined in netinet/in.h.])
1229 AC_MSG_RESULT(yes)],
1230 [AC_MSG_RESULT(no)])
1232 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1233 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1234 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1235 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1236 AC_MSG_RESULT(yes)],
1237 [AC_MSG_RESULT(no)])
1239 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1240 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1241 [AC_DEFINE(HAVE_INET6, 1,
1242 [Define if inet6 structures are defined in netinet/in.h.])
1243 AC_MSG_RESULT(yes)],
1244 [AC_MSG_RESULT(no)])
1246 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1247 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1248 #include <sys/types.h>
1249 #include <sys/socket.h>], [socklen_t x = 5;],
1250 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1251 AC_MSG_RESULT(yes)],
1252 [AC_MSG_RESULT(no)])
1254 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1255 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1256 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1257 AC_MSG_RESULT(yes)],
1259 AC_MSG_CHECKING([for global timezone variable])
1260 dnl FIXME: we don't want a link check here because that won't work
1261 dnl when cross-compiling. So instead we make an assumption that
1262 dnl the header file will mention timezone if it exists.
1263 dnl Don't find the win32 function timezone
1264 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1265 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1266 AC_MSG_RESULT(yes)],
1268 AC_MSG_CHECKING([for global _timezone variable])
1269 dnl FIXME: As above, don't want link check
1270 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1271 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1272 [Define if your platform has the global _timezone variable.])
1273 AC_MSG_RESULT(yes)],
1274 [AC_MSG_RESULT(no)])])])
1279 AC_CHECK_PROGS(PERL, perl, false)
1286 SIGNAL_HANDLER=include/i386-signal.h
1288 sparc*-sun-solaris*)
1289 SIGNAL_HANDLER=include/sparc-signal.h
1292 # SYSDEP_SOURCES=sysdep/ia64.c
1293 # test -d sysdep || mkdir sysdep
1296 SIGNAL_HANDLER=include/pa-signal.h
1299 SIGNAL_HANDLER=include/dwarf2-signal.h
1302 SIGNAL_HANDLER=include/powerpc-signal.h
1305 SIGNAL_HANDLER=include/dwarf2-signal.h
1308 SIGNAL_HANDLER=include/s390-signal.h
1311 SIGNAL_HANDLER=include/x86_64-signal.h
1312 SIGNAL_HANDLER_AUX=include/i386-signal.h
1315 SIGNAL_HANDLER=include/dwarf2-signal.h
1317 sh-*-linux* | sh[[34]]*-*-linux*)
1318 SIGNAL_HANDLER=include/dwarf2-signal.h
1321 SIGNAL_HANDLER=include/win32-signal.h
1324 SIGNAL_HANDLER=include/mips-signal.h
1327 SIGNAL_HANDLER=include/darwin-signal.h
1330 SIGNAL_HANDLER=include/default-signal.h
1334 # If we're using sjlj exceptions, forget what we just learned.
1335 if test "$enable_sjlj_exceptions" = yes; then
1336 SIGNAL_HANDLER=include/default-signal.h
1340 # Define here any compiler flags that you need in order to make backtrace() work.
1343 x86_64*-*-linux*|i?86-*)
1344 BACKTRACESPEC=-fno-omit-frame-pointer
1347 AC_SUBST(BACKTRACESPEC)
1349 AC_SUBST(SYSDEP_SOURCES)
1351 if test -z "$SIGNAL_HANDLER_AUX"; then
1352 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1355 AC_CONFIG_LINKS(include/java-signal.h:$SIGNAL_HANDLER
1356 include/java-signal-aux.h:$SIGNAL_HANDLER_AUX)
1358 if test "${multilib}" = "yes"; then
1359 multilib_arg="--enable-multilib"
1366 here=`${PWDCMD-pwd}`
1369 # We get this from the environment.
1372 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1373 [# Only add multilib support code if we just rebuilt top-level Makefile.
1374 case " $CONFIG_FILES " in
1376 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1377 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1381 # Make subdirectories and `.d' files. Look in both srcdir and
1382 # builddir for the .java files.
1385 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1386 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1387 fgrep -v testsuite | \
1388 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1390 echo "include $f" >> deps.mk
1392 d=`echo $f | sed -e 's,/[[^/]]*$,,'`
1393 if test ! -d $d; then
1394 $libgcj_basedir/../mkinstalldirs $d
1403 with_multisubdir=${with_multisubdir}
1404 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1405 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1406 libgcj_basedir=${libgcj_basedir}
1409 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"