1 dnl Process this with autoconf to create configure
3 AC_INIT(java/lang/System.java)
5 dnl We use these options to decide which functions to include.
6 AC_ARG_WITH(target-subdir,
7 [ --with-target-subdir=SUBDIR
8 configuring in a subdirectory])
10 dnl We may get other options which we don't document:
11 dnl --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}/$toprel)
37 # This overrides the previous occurrence for automake, but not for
38 # autoconf, which is exactly what we want.
44 _GCC_TOPLEV_NONCANONICAL_TARGET
46 # This works around the fact that libtool configuration may change LD
47 # for this particular configuration, but some shells, instead of
48 # keeping the changes in LD private, export them just because LD is
50 ORIGINAL_LD_FOR_MULTILIBS=$LD
54 # This works around an automake problem.
55 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
56 AC_SUBST(mkinstalldirs)
58 AC_ARG_WITH(cross-host,
59 [ --with-cross-host=HOST configuring with a cross compiler])
62 [ --with-newlib Configuring with newlib])
64 AC_ARG_ENABLE(version-specific-runtime-libs,
65 [ --enable-version-specific-runtime-libs
66 specify that runtime libraries should be installed in a compiler-specific
69 yes) version_specific_libs=yes ;;
70 no) version_specific_libs=no ;;
71 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
73 [version_specific_libs=no]
76 dnl Default to --enable-multilib
77 AC_ARG_ENABLE(multilib,
78 [ --enable-multilib build many library versions (default)],
79 [case "${enableval}" in
82 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
83 esac], [multilib=yes])dnl
85 dnl This shouldn't be needed, as long as top-level dependencies are
86 dnl defined correctly and shared-library paths are set up so that
87 dnl execution tests succeed. FIXME.
88 define([AC_PROG_CC_WORKS],[])
89 define([AC_PROG_CXX_WORKS],[])
93 # We use the libstdc++-v3 version of LIB_AC_PROG_CXX, but use
94 # glibjava_CXX instead of glibcpp_CXX. That's because we're passed a
95 # different definition of CXX than other directories, since we don't
96 # depend on libstdc++-v3 having already been built.
97 AC_DEFUN(LIB_AC_PROG_CXX,
98 [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
99 dnl Fool anybody using AC_PROG_CXX.
100 AC_PROVIDE([AC_PROG_CXX])
101 # Use glibjava_CXX so that we do not cause CXX to be cached with the
102 # flags that come in CXX while configuring libjava. They're different
103 # from those used for all other target libraries. If CXX is set in
104 # the environment, respect that here.
106 AC_CHECK_PROGS(glibjava_CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
109 test -z "$glibjava_CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
113 if test $ac_cv_prog_gxx = yes; then
115 dnl Check whether -g works, even if CXXFLAGS is set, in case the package
116 dnl plays around with CXXFLAGS (such as to build both debugging and
117 dnl normal versions of a library), tasteless as that idea is.
118 ac_test_CXXFLAGS="${CXXFLAGS+set}"
119 ac_save_CXXFLAGS="$CXXFLAGS"
122 if test "$ac_test_CXXFLAGS" = set; then
123 CXXFLAGS="$ac_save_CXXFLAGS"
124 elif test $ac_cv_prog_cxx_g = yes; then
131 test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
137 dnl version is pulled out to make it a bit easier to change using sed.
139 dnl Still use "libjava" here to placate dejagnu.
140 AM_INIT_AUTOMAKE(libjava, $version)
142 AC_CHECK_TOOL(AS, as)
143 AC_CHECK_TOOL(AR, ar)
144 AC_CHECK_TOOL(RANLIB, ranlib, :)
152 # configure.host sets the following important variables
153 # libgcj_cflags - host specific C compiler flags
154 # libgcj_cxxflags - host specific C++ compiler flags
155 # libgcj_javaflags - host specific Java compiler flags
161 . [$]{srcdir}/configure.host
163 LIBGCJ_CFLAGS="[$]{libgcj_cflags}"
164 LIBGCJ_CXXFLAGS="[$]{libgcj_cxxflags}"
165 LIBGCJ_JAVAFLAGS="[$]{libgcj_javaflags}"
166 AC_SUBST(LIBGCJ_CFLAGS)
167 AC_SUBST(LIBGCJ_CXXFLAGS)
168 AC_SUBST(LIBGCJ_JAVAFLAGS)
170 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
172 # Only use libltdl for non-newlib builds.
173 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
174 AC_LIBLTDL_CONVENIENCE
177 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
178 # Sigh. Libtool's macro doesn't do the right thing.
179 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
180 # FIXME: this is a hack.
181 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
182 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
188 AC_CONFIG_SUBDIRS($DIRLTDL)
190 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
197 dnl The -no-testsuite modules omit the test subdir.
198 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
200 dnl Should the runtime set system properties by examining the
201 dnl environment variable GCJ_PROPERTIES?
202 AC_ARG_ENABLE(getenv-properties,
203 [ --disable-getenv-properties
204 don't set system properties from GCJ_PROPERTIES])
206 dnl Whether GCJ_PROPERTIES is used depends on the target.
207 if test -z "$enable_getenv_properties"; then
208 enable_getenv_properties=${enable_getenv_properties_default-yes}
210 if test "$enable_getenv_properties" = no; then
211 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
212 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
215 dnl Whether we should use arguments to main()
216 if test -z "$enable_main_args"; then
217 enable_main_args=${enable_main_args_default-yes}
219 if test "$enable_main_args" = no; then
220 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
224 dnl Should we use hashtable-based synchronization?
225 dnl Currently works only for Linux X86/ia64
226 dnl Typically faster and more space-efficient
227 AC_ARG_ENABLE(hash-synchronization,
228 [ --enable-hash-synchronization
229 use global hash table for monitor locks])
231 if test -z "$enable_hash_synchronization"; then
232 enable_hash_synchronization=$enable_hash_synchronization_default
235 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
236 AC_ARG_ENABLE(libgcj-multifile,
237 [ --enable-libgcj-multifile
238 allow compilation of several files at once],
239 [case "${enableval}" in
240 yes) enable_libgcj_multifile=yes ;;
241 no) enable_libgcj_multifile=no ;;
242 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
243 esac],[enable_libgcj_multifile=no])
244 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
246 # What is the native OS API for MinGW?
247 AC_ARG_WITH(win32-nlsapi,
248 changequote(<<,>>)dnl
249 << --with-win32-nlsapi=ansi, unicows or unicode
250 native MinGW libgcj Win32 OS API [ansi]>>,
252 [case "${withval}" in
253 ansi) with_win32_nlsapi=ansi ;;
254 unicows) with_win32_nlsapi=unicows ;;
255 unicode) with_win32_nlsapi=unicode ;;
256 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
257 esac],[with_win32_nlsapi=ansi])
259 case "${with_win32_nlsapi}" in
261 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
262 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
266 dnl configure.host sets slow_pthread_self if the synchronization code should
267 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
268 if test "${slow_pthread_self}" = "yes"; then
269 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
270 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
274 dnl See if the user has requested runtime debugging.
276 AC_SUBST(LIBGCJDEBUG)
277 AC_ARG_ENABLE(libgcj-debug,
278 [ --enable-libgcj-debug enable runtime debugging code],
279 if test "$enable_libgcj_debug" = yes; then
280 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
284 dnl See if the user has the interpreter included.
285 AC_ARG_ENABLE(interpreter,
286 [ --enable-interpreter enable interpreter],
287 if test "$enable_interpreter" = yes; then
288 # This can also be set in configure.host.
289 libgcj_interpreter=yes
290 elif test "$enable_interpreter" = no; then
291 libgcj_interpreter=no
294 if test "$libgcj_interpreter" = yes; then
295 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
297 INTERPRETER="$libgcj_interpreter"
298 AC_SUBST(INTERPRETER)
300 AC_MSG_CHECKING([for exception model to use])
303 AC_ARG_ENABLE(sjlj-exceptions,
304 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
306 [dnl Botheration. Now we've got to detect the exception model.
307 dnl Link tests against libgcc.a are problematic since -- at least
308 dnl as of this writing -- we've not been given proper -L bits for
309 dnl single-tree newlib and libgloss.
311 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
312 dnl conftest files before we got a change to grep them first.
313 cat > conftest.$ac_ext << EOF
314 [#]line __oline__ "configure"
323 old_CXXFLAGS="$CXXFLAGS"
325 if AC_TRY_EVAL(ac_compile); then
326 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
327 enable_sjlj_exceptions=yes
328 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
329 enable_sjlj_exceptions=no
332 CXXFLAGS="$old_CXXFLAGS"
334 if test x$enable_sjlj_exceptions = xyes; then
335 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
336 [Define if the compiler is configured for setjmp/longjmp exceptions.])
337 ac_exception_model_name=sjlj
338 elif test x$enable_sjlj_exceptions = xno; then
339 ac_exception_model_name="call frame"
341 AC_MSG_ERROR([unable to detect exception model])
344 AC_MSG_RESULT($ac_exception_model_name)
346 # If we are non using SJLJ exceptions, and this host does not have support
347 # for unwinding from a signal handler, enable checked dereferences and divides.
348 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
349 CHECKREFSPEC=-fcheck-references
350 DIVIDESPEC=-fuse-divide-subroutine
354 dnl See if the user wants to disable java.net. This is the mildly
355 dnl ugly way that we admit that target-side configuration sucks.
356 AC_ARG_ENABLE(java-net,
357 [ --disable-java-net disable java.net])
359 dnl Whether java.net is built by default can depend on the target.
360 if test -z "$enable_java_net"; then
361 enable_java_net=${enable_java_net_default-yes}
363 if test "$enable_java_net" = no; then
364 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
367 dnl See if the user wants to configure without libffi. Some
368 dnl architectures don't support it, and default values are set in
371 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
375 if test "$with_libffi" != no; then
376 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
377 LIBFFI=../libffi/libffi_convenience.la
378 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
383 dnl See if the user wants to disable JVMPI support.
385 [ --disable-jvmpi disable JVMPI support])
387 if test "$enable_jvmpi" != no; then
388 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
391 dnl If the target is an eCos system, use the appropriate eCos
393 dnl FIXME: this should not be a local option but a global target
394 dnl system; at present there is no eCos target.
395 TARGET_ECOS=${PROCESS-"no"}
397 [ --with-ecos enable runtime eCos target support],
398 TARGET_ECOS="$with_ecos"
402 AC_SUBST(EXTRA_CC_FILES)
405 case "$TARGET_ECOS" in
410 PLATFORMOBJS=win32.lo
412 CHECK_FOR_BROKEN_MINGW_LD
417 PLATFORMOBJS=posix.lo
425 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
426 PLATFORMOBJS=posix.lo
430 AC_SUBST(PLATFORMOBJS)
431 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
433 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
434 [Define if you have int32_t and uint32_t.]))
435 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
436 [Define if you have int32_t and uint32_t.]))
437 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
438 [Define if you have u_int32_t]))
439 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
440 [Define if you have u_int32_t]))
443 dnl These may not be defined in a non-ANS conformant embedded system.
444 dnl FIXME: Should these case a runtime exception in that case?
445 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
446 [Define is you have 'mktime' in <time.h>]))
447 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
448 [Define is you have 'localtime' in <time.h>]))
450 dnl Create the subdirectory for natFile.cc, or the attempt
451 dnl to create the link will fail.
452 test -d java || mkdir java
453 test -d java/io || mkdir java/io
454 test -d gnu || mkdir gnu
455 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
457 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
458 test -d java/lang || mkdir java/lang
459 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
460 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
462 dnl Likewise for natInetAddress.cc and natNetworkInterface.cc.
463 test -d java/net || mkdir java/net
464 AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc)
465 AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc)
467 dnl Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
468 test -d gnu/java || mkdir gnu/java
469 test -d gnu/java/net || mkdir gnu/java/net
470 AC_LINK_FILES(gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainSocketImpl.cc)
471 AC_LINK_FILES(gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainDatagramSocketImpl.cc)
473 dnl Likewise for natPipeImpl.cc and natSelectorImpl.cc.
474 test -d gnu/java/nio || mkdir gnu/java/nio
475 AC_LINK_FILES(gnu/java/nio/natPipeImpl${PLATFORM}.cc, gnu/java/nio/natPipeImpl.cc)
476 AC_LINK_FILES(gnu/java/nio/natSelectorImpl${PLATFORM}.cc, gnu/java/nio/natSelectorImpl.cc)
477 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
478 AC_LINK_FILES(gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc, gnu/java/nio/channels/natFileChannelImpl.cc)
482 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
483 if test "${with_win32_nlsapi}" = "unicows"; then
484 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
493 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
494 AC_SUBST(LIBGCJTESTSPEC)
496 AC_ARG_WITH(system-zlib,
497 [ --with-system-zlib use installed libz])
501 AC_SUBST(ZLIBTESTSPEC)
505 dnl Determine which AWT peer libraries to build
506 AC_ARG_ENABLE(java-awt,
507 [ --enable-java-awt list of AWT peer implementations to be built])
509 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
512 # The default toolkit to use is the first one specified.
516 for peer in $peerlibs ; do
519 if test "$no_x" = yes; then
520 echo "*** xlib peers requested but no X library available" 1>&2
524 if test -z "$TOOLKIT"; then
525 TOOLKIT=gnu.awt.xlib.XToolkit
530 if test "$no_x" = yes; then
531 echo "*** xlib peers requested but no X library available" 1>&2
535 if test -z "$TOOLKIT"; then
536 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
538 test -d jniinclude || mkdir jniinclude
547 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
552 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
553 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
555 dnl determine whether to enable the cairo GTK Graphics2D backend
556 AC_ARG_ENABLE(gtk-cairo, [ --enable-gtk-cairo build the cairo Graphics2D implementation on GTK])
557 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
558 if test "x${enable_gtk_cairo}" = xyes
560 PKG_CHECK_MODULES(CAIRO, cairo)
561 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
564 AC_SUBST(CAIRO_CFLAGS)
565 AC_SUBST(PANGOFT2_LIBS)
566 AC_SUBST(PANGOFT2_CFLAGS)
568 dnl FIXME: this should be _libs on some hosts.
571 dnl Allow the GC to be disabled. Can be useful when debugging.
572 AC_MSG_CHECKING([for garbage collector to use])
573 AC_ARG_ENABLE(java-gc,
574 changequote(<<,>>)dnl
575 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
589 GCLIBS=../boehm-gc/libgcjgc_convenience.la
590 JC1GCSPEC='-fuse-boehm-gc'
591 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
593 dnl We also want to pick up some cpp flags required when including
594 dnl boehm-config.h. Yuck.
595 GCINCS="`cat ../boehm-gc/boehm-cflags`"
598 dnl The POSIX thread support needs to know this.
599 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
607 AC_MSG_ERROR(unrecognized collector \"$GC\")
617 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
620 AC_MSG_CHECKING([for thread model used by GCC])
621 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
622 AC_MSG_RESULT([$THREADS])
632 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
638 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
639 AC_MSG_ERROR(thread package $THREADS not yet supported)
642 AC_MSG_ERROR($THREADS is an unknown thread package)
658 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
663 # Before FreeBSD 5, it didn't have -lpthread (or any library which
664 # merely adds pthread_* functions) but it does have a -pthread switch
665 # which is required at link-time to select -lc_r *instead* of -lc.
666 THREADLDFLAGS=-pthread
667 # Don't set THREADSPEC here as might be expected since -pthread is
668 # not processed when found within a spec file, it must come from
669 # the command line. For now, the user must provide the -pthread
670 # switch to link code compiled with gcj. In future, consider adding
671 # support for weak references to pthread_* functions ala gthr.h API.
672 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
675 # FreeBSD 5 implements a model much closer to other modern UNIX
676 # which support threads. However, it still does not support
678 THREADLDFLAGS=-pthread
682 THREADCXXFLAGS=-pthread
683 # boehm-gc needs some functions from librt, so link that too.
684 THREADLIBS='-lpthread -lrt'
685 THREADSPEC='-lpthread -lrt'
692 THREADOBJS=posix-threads.lo
693 THREADH=posix-threads.h
694 # MIT pthreads doesn't seem to have the mutexattr functions.
695 # But for now we don't check for it. We just assume you aren't
696 # using MIT pthreads.
697 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
699 # If we're using the Boehm GC, then we happen to know that it
700 # defines _REENTRANT, so we don't bother. Eww.
701 if test "$GC" != boehm; then
702 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
704 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
708 THREADOBJS=win32-threads.lo
709 THREADH=win32-threads.h
713 THREADOBJS=no-threads.lo
717 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
723 AC_SUBST(THREADLDFLAGS)
724 AC_SUBST(THREADCXXFLAGS)
726 if test -d sysdep; then true; else mkdir sysdep; fi
727 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
730 # Hash synchronization is only useful with posix threads right now.
731 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
732 HASH_SYNC_SPEC=-fhash-synchronization
733 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
735 AC_SUBST(HASH_SYNC_SPEC)
738 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
744 # We're in the tree with gcc, and need to include some of its headers.
745 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
747 # Figure out where generated headers like libgcj-config.h get installed.
749 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
750 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
751 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
752 tool_include_dir='$(libdir)/gcc/$(target_noncanonical)/'${gcc_version}/include
754 AC_SUBST(tool_include_dir)
755 AC_SUBST(gcc_version)
757 if test "x${with_newlib}" = "xyes"; then
758 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
759 # may not work correctly, because the compiler may not be able to
762 # We assume newlib. This lets us hard-code the functions we know
764 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
765 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
766 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
767 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
768 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
769 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
770 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
771 dnl This is only for POSIX threads.
772 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
773 dnl We also assume we are using gcc, which provides alloca.
774 AC_DEFINE(HAVE_ALLOCA)
776 dnl Assume we do not have getuid and friends.
777 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
780 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
781 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
782 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
783 AC_CHECK_FUNCS(nl_langinfo setlocale)
784 AC_CHECK_FUNCS(inet_aton inet_addr, break)
785 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
786 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
787 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
788 AC_CHECK_FUNC(backtrace, [
791 # Has broken backtrace()
794 # Has broken backtrace(), but we supply our own.
795 if test -d sysdep; then true; else mkdir -p sysdep; fi
796 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
797 AC_DEFINE(HAVE_BACKTRACE, 1,
798 [Define if your platform has a working backtrace() function.])
801 AC_DEFINE(HAVE_BACKTRACE, 1,
802 [Define if your platform has a working backtrace() function.])
808 # Has backtrace() defined in libgcj itself
809 AC_DEFINE(HAVE_BACKTRACE, 1,
810 [Define if your platform has a working backtrace() function.])
815 AC_CHECK_LIB(dl, dladdr, [
816 if test "x${disable_dladdr}" = "xyes"; then
820 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
823 if test x"$build" = x"$host"; then
824 AC_CHECK_FILES(/proc/self/exe, [
825 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
829 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
838 AC_CHECK_FUNCS(gethostbyname_r, [
839 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
840 [Define if you have the 'gethostbyname_r' function.])
841 # There are two different kinds of gethostbyname_r.
842 # We look for the one that returns `int'.
843 # Hopefully this check is robust enough.
844 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
845 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
848 *" -D_REENTRANT "*) ;;
850 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
851 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
852 [libjava_cv_gethostbyname_r_needs_reentrant],
855 AC_TRY_COMPILE([#include <netdb.h>],
856 [gethostbyname_r("", 0, 0);],
857 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
858 CPPFLAGS_SAVE="$CPPFLAGS"
859 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
860 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
861 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
862 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
863 CPPFLAGS="$CPPFLAGS_SAVE"
867 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
868 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
873 AC_CACHE_CHECK([for struct hostent_data],
874 [libjava_cv_struct_hostent_data], [dnl
876 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
877 # define _REENTRANT 1
879 #include <netdb.h>], [struct hostent_data data;],
880 [libjava_cv_struct_hostent_data=yes],
881 [libjava_cv_struct_hostent_data=no])])
882 if test "x$libjava_cv_struct_hostent_data" = xyes; then
883 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
884 [Define if struct hostent_data is defined in netdb.h])
888 # FIXME: libjava source code expects to find a prototype for
889 # gethostbyaddr_r in netdb.h. The outer check ensures that
890 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
891 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
892 # linkage check is enough, yet C++ code requires proper prototypes.)
893 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
894 AC_CHECK_FUNCS(gethostbyaddr_r, [
895 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
896 [Define if you have the 'gethostbyaddr_r' function.])
897 # There are two different kinds of gethostbyaddr_r.
898 # We look for the one that returns `int'.
899 # Hopefully this check is robust enough.
900 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
901 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
902 [Define if gethostbyaddr_r returns 'int'.])])])])
904 AC_CHECK_FUNCS(gethostname, [
905 AC_DEFINE(HAVE_GETHOSTNAME, 1,
906 [Define if you have the 'gethostname' function.])
907 AC_EGREP_HEADER(gethostname, unistd.h, [
908 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
909 [Define if gethostname is declared in <unistd.h>.])])])
911 AC_CHECK_FUNCS(usleep, [
912 AC_EGREP_HEADER(usleep, unistd.h, [
913 AC_DEFINE(HAVE_USLEEP_DECL, 1,
914 [Define if usleep is declared in <unistd.h>.])])])
916 # Look for these functions in the thread library, but only bother
917 # if using POSIX threads.
918 if test "$THREADS" = posix; then
920 LIBS="$LIBS $THREADLIBS"
921 # Some POSIX thread systems don't have pthread_mutexattr_settype.
923 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
925 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
926 # Solaris 7 the name librt is preferred.
927 AC_CHECK_FUNCS(sched_yield, , [
928 AC_CHECK_LIB(rt, sched_yield, [
929 AC_DEFINE(HAVE_SCHED_YIELD)
930 THREADLIBS="$THREADLIBS -lrt"
931 THREADSPEC="$THREADSPEC -lrt"], [
932 AC_CHECK_LIB(posix4, sched_yield, [
933 AC_DEFINE(HAVE_SCHED_YIELD)
934 THREADLIBS="$THREADLIBS -lposix4"
935 THREADSPEC="$THREADSPEC -lposix4"])])])
938 # We can save a little space at runtime if the mutex has m_count
939 # or __m_count. This is a nice hack for Linux.
940 AC_TRY_COMPILE([#include <pthread.h>], [
941 extern pthread_mutex_t *mutex; int q = mutex->m_count;
942 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
943 [Define if pthread_mutex_t has m_count member.]), [
944 AC_TRY_COMPILE([#include <pthread.h>], [
945 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
946 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
947 [Define if pthread_mutex_t has __m_count member.]))])
950 # We require a way to get the time.
952 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
953 if test "$time_found" = no; then
954 AC_MSG_ERROR([no function found to get the time])
957 AC_CHECK_FUNCS(memmove)
961 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
962 if test "$memcpy_found" = no; then
963 AC_MSG_ERROR([memcpy is required])
966 AC_CHECK_LIB(dl, dlopen, [
967 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
969 # Some library-finding code we stole from Tcl.
970 #--------------------------------------------------------------------
971 # Check for the existence of the -lsocket and -lnsl libraries.
972 # The order here is important, so that they end up in the right
973 # order in the command line generated by make. Here are some
974 # special considerations:
975 # 1. Use "connect" and "accept" to check for -lsocket, and
976 # "gethostbyname" to check for -lnsl.
977 # 2. Use each function name only once: can't redo a check because
978 # autoconf caches the results of the last check and won't redo it.
979 # 3. Use -lnsl and -lsocket only if they supply procedures that
980 # aren't already present in the normal libraries. This is because
981 # IRIX 5.2 has libraries, but they aren't needed and they're
982 # bogus: they goof up name resolution if used.
983 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
984 # To get around this problem, check for both libraries together
985 # if -lsocket doesn't work by itself.
986 #--------------------------------------------------------------------
988 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
991 unset ac_cv_func_connect
992 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
993 if test "$gcj_checkSocket" = 1; then
994 unset ac_cv_func_connect
995 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
998 if test "$gcj_checkBoth" = 1; then
1000 LIBS="$LIBS -lsocket -lnsl"
1001 unset ac_cv_func_accept
1002 AC_CHECK_FUNC(accept,
1004 gcj_cv_lib_sockets="-lsocket -lnsl"])
1005 unset ac_cv_func_accept
1008 unset ac_cv_func_gethostbyname
1010 LIBS="$LIBS $gcj_cv_lib_sockets"
1011 AC_CHECK_FUNC(gethostbyname, ,
1012 [AC_CHECK_LIB(nsl, main,
1013 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
1014 unset ac_cv_func_gethostbyname
1017 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
1019 if test "$with_system_zlib" = yes; then
1020 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
1023 # Test for Gtk stuff, if asked for.
1024 if test "$use_gtk_awt" = yes; then
1025 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.2)
1026 AC_SUBST(GTK_CFLAGS)
1029 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.2 gthread-2.0 >= 2.2)
1030 AC_SUBST(GLIB_CFLAGS)
1033 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
1034 AC_SUBST(LIBART_CFLAGS)
1035 AC_SUBST(LIBART_LIBS)
1038 # On Solaris, and maybe other architectures, the Boehm collector
1040 if test "$GC" = boehm; then
1041 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
1045 if test -z "${with_multisubdir}"; then
1049 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
1053 # Which gcj do we use?
1055 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
1056 if test -n "${with_cross_host}"; then
1057 # We are being configured with a cross compiler. We can't
1058 # use ac_exeext, because that is for the target platform.
1061 case "${with_cross_host}" in
1063 cross_host_exeext=.exe
1066 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
1067 if test x"$build_alias" = x"$with_cross_host"; then
1068 # Ordinary cross (host!=target and host=build)
1071 # Canadian cross (host!=target and host!=build)
1078 # We are being configured with a native or crossed-native compiler
1079 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
1080 if test x"$build" = x"$host"; then
1081 # True native build (host=target and host=build)
1084 # Crossed-native build (host=target and host!=build)
1091 case "${which_gcj}" in
1093 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
1096 # See the comment in Makefile.am about CANADIAN being a misnomer
1099 if test "x${with_newlib}" = "xyes"; then
1100 # FIXME (comment): Why is this needed?
1102 GCJ="${target_noncanonical}-gcj"
1104 GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/"
1108 # See the comment in Makefile.am about CANADIAN being a misnomer
1111 GCJ="gcj -B`${PWDCMD-pwd}`/"
1115 # Create it, so that compile/link tests don't fail
1116 test -f libgcj.spec || touch libgcj.spec
1118 # We must search the source tree for java.lang, since we still don't
1119 # have libgcj.jar nor java/lang/*.class
1120 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
1121 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
1123 # Since some classes depend on this one, we need its source available
1124 # before we can do any GCJ compilation test :-(
1125 if test ! -f gnu/classpath/Configuration.java; then
1126 test -d gnu || mkdir gnu
1127 test -d gnu/classpath || mkdir gnu/classpath
1128 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
1129 -e 's,@TOOLKIT@,$TOOLKIT,' \
1130 < $srcdir/gnu/classpath/Configuration.java.in \
1131 > gnu/classpath/Configuration.java
1132 # We do not want to redirect the output of the grep below to /dev/null,
1133 # but we add /dev/null to the input list so that grep will print the
1134 # filename of Configuration.java in case it finds any matches.
1135 if grep @ gnu/classpath/Configuration.java /dev/null; then
1136 AC_MSG_ERROR([configure.in is missing the substitutions above])
1142 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
1144 AC_COMPILE_CHECK_SIZEOF(void *)
1150 if test -z "$ZLIBSPEC"; then
1151 # Use zlib from the GCC tree.
1152 ZINCS='-I$(top_srcdir)/../zlib'
1153 ZLIBS=../zlib/libzgcj_convenience.la
1156 SYS_ZLIBS="$ZLIBSPEC"
1161 AC_SUBST(DIVIDESPEC)
1162 AC_SUBST(CHECKREFSPEC)
1163 AC_SUBST(EXCEPTIONSPEC)
1166 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
1167 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
1168 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
1169 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1170 AC_SUBST(GCC_UNWIND_INCLUDE)
1172 # Process the option "--enable-version-specific-runtime-libs"
1173 # Calculate toolexeclibdir
1174 case ${version_specific_libs} in
1176 # Need the gcc compiler version to know where to install libraries
1177 # and header files if --enable-version-specific-runtime-libs option
1179 includedir='${libdir}/gcc/${target_noncanonical}/'$gcc_version/include/
1180 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
1181 toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1182 toolexeclibdir=$toolexecmainlibdir
1185 if test -n "$with_cross_host" &&
1186 test x"$with_cross_host" != x"no"; then
1187 # Install a library built with a cross compiler in tooldir, not libdir.
1188 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
1189 toolexecmainlibdir='$(toolexecdir)/lib'
1191 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
1192 toolexecmainlibdir='$(libdir)'
1194 multi_os_directory=`$CC -print-multi-os-directory`
1195 case $multi_os_directory in
1196 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1197 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1201 AC_SUBST(toolexecdir)
1202 AC_SUBST(toolexecmainlibdir)
1203 AC_SUBST(toolexeclibdir)
1205 # Determine gcj version number.
1207 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1209 GCJVERSION=$gcjversion
1210 AC_SUBST(GCJVERSION)
1211 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1213 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1214 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1215 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1216 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)
1217 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1218 dnl for now. If you change this, you also must update natFile.cc.
1219 AC_CHECK_HEADERS(dirent.h)
1220 AC_CHECK_HEADERS(inttypes.h, [
1221 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1222 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1226 AC_CHECK_TYPE([ssize_t], [int])
1228 AC_MSG_CHECKING([for in_addr_t])
1229 AC_TRY_COMPILE([#include <sys/types.h>
1234 #if HAVE_NETINET_IN_H
1235 #include <netinet/in.h>
1236 #endif], [in_addr_t foo;],
1237 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1238 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1239 AC_MSG_RESULT(yes)],
1240 [AC_MSG_RESULT(no)])
1242 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1243 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1244 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1245 [Define if struct ip_mreq is defined in netinet/in.h.])
1246 AC_MSG_RESULT(yes)],
1247 [AC_MSG_RESULT(no)])
1249 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1250 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1251 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1252 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1253 AC_MSG_RESULT(yes)],
1254 [AC_MSG_RESULT(no)])
1256 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1257 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1258 [AC_DEFINE(HAVE_INET6, 1,
1259 [Define if inet6 structures are defined in netinet/in.h.])
1260 AC_MSG_RESULT(yes)],
1261 [AC_MSG_RESULT(no)])
1263 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1264 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1265 #include <sys/types.h>
1266 #include <sys/socket.h>], [socklen_t x = 5;],
1267 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1268 AC_MSG_RESULT(yes)],
1269 [AC_MSG_RESULT(no)])
1271 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1272 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1273 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1274 AC_MSG_RESULT(yes)],
1276 AC_MSG_CHECKING([for global timezone variable])
1277 dnl FIXME: we don't want a link check here because that won't work
1278 dnl when cross-compiling. So instead we make an assumption that
1279 dnl the header file will mention timezone if it exists.
1280 dnl Don't find the win32 function timezone
1281 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1282 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1283 AC_MSG_RESULT(yes)],
1285 AC_MSG_CHECKING([for global _timezone variable])
1286 dnl FIXME: As above, don't want link check
1287 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1288 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1289 [Define if your platform has the global _timezone variable.])
1290 AC_MSG_RESULT(yes)],
1291 [AC_MSG_RESULT(no)])])])
1296 AC_CHECK_PROGS(PERL, perl, false)
1303 SIGNAL_HANDLER=include/i386-signal.h
1305 sparc*-sun-solaris*)
1306 SIGNAL_HANDLER=include/sparc-signal.h
1309 # SYSDEP_SOURCES=sysdep/ia64.c
1310 # test -d sysdep || mkdir sysdep
1313 SIGNAL_HANDLER=include/pa-signal.h
1316 SIGNAL_HANDLER=include/dwarf2-signal.h
1319 SIGNAL_HANDLER=include/powerpc-signal.h
1322 SIGNAL_HANDLER=include/dwarf2-signal.h
1325 SIGNAL_HANDLER=include/s390-signal.h
1328 SIGNAL_HANDLER=include/x86_64-signal.h
1329 SIGNAL_HANDLER_AUX=include/i386-signal.h
1332 SIGNAL_HANDLER=include/dwarf2-signal.h
1334 sh-*-linux* | sh[[34]]*-*-linux*)
1335 SIGNAL_HANDLER=include/dwarf2-signal.h
1338 SIGNAL_HANDLER=include/win32-signal.h
1341 SIGNAL_HANDLER=include/mips-signal.h
1344 SIGNAL_HANDLER=include/darwin-signal.h
1347 SIGNAL_HANDLER=include/default-signal.h
1351 # If we're using sjlj exceptions, forget what we just learned.
1352 if test "$enable_sjlj_exceptions" = yes; then
1353 SIGNAL_HANDLER=include/default-signal.h
1357 # Define here any compiler flags that you need in order to make backtrace() work.
1360 x86_64*-*-linux*|i?86-*)
1361 BACKTRACESPEC=-fno-omit-frame-pointer
1364 AC_SUBST(BACKTRACESPEC)
1366 AC_SUBST(SYSDEP_SOURCES)
1368 if test -z "$SIGNAL_HANDLER_AUX"; then
1369 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1372 AC_LINK_FILES($SIGNAL_HANDLER $SIGNAL_HANDLER_AUX,
1373 include/java-signal.h include/java-signal-aux.h)
1375 if test "${multilib}" = "yes"; then
1376 multilib_arg="--enable-multilib"
1383 here=`${PWDCMD-pwd}`
1386 # We get this from the environment.
1389 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1390 [# Only add multilib support code if we just rebuilt top-level Makefile.
1391 case " $CONFIG_FILES " in
1393 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1394 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1398 # Make subdirectories and `.d' files. Look in both srcdir and
1399 # builddir for the .java files.
1402 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1403 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1404 fgrep -v testsuite | \
1405 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1407 echo "include $f" >> deps.mk
1410 d=`echo $f | sed -e 's,/[^/]*$,,'`
1412 if test ! -d $d; then
1413 $libgcj_basedir/../mkinstalldirs $d
1422 with_multisubdir=${with_multisubdir}
1423 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1424 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1425 libgcj_basedir=${libgcj_basedir}
1428 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"