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)
8 # We use these options to decide which functions to include.
9 AC_ARG_WITH(target-subdir,
10 AS_HELP_STRING([--with-target-subdir=SUBDIR],
11 [configure in a subdirectory]))
13 # We may get other options which we don't document:
14 # --with-target-subdir, --with-multisrctop, --with-multisubdir
16 # When building with srcdir == objdir, links to the source files will
17 # be created in directories within the target_subdir. We have to
18 # adjust toplevel_srcdir accordingly, so that configure finds
19 # install-sh and other auxiliary files that live in the top-level
21 if test "${srcdir}" = "."; then
22 if test -z "${with_target_subdir}"; then
25 if test "${with_target_subdir}" != "."; then
26 toprel="${with_multisrctop}../.."
28 toprel="${with_multisrctop}.."
35 libgcj_basedir=$srcdir/$toprel/./libjava
36 AC_SUBST(libgcj_basedir)
39 _GCC_TOPLEV_NONCANONICAL_BUILD
40 _GCC_TOPLEV_NONCANONICAL_TARGET
42 AC_SUBST(target_noncanonical)
44 # This works around the fact that libtool configuration may change LD
45 # for this particular configuration, but some shells, instead of
46 # keeping the changes in LD private, export them just because LD is
48 ORIGINAL_LD_FOR_MULTILIBS=$LD
52 # This works around an automake problem.
53 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
54 AC_SUBST(mkinstalldirs)
56 AC_ARG_WITH(cross-host,
57 AS_HELP_STRING([--with-cross-host=HOST],
58 [configure with a cross compiler from HOST]))
61 AS_HELP_STRING([--with-newlib],
62 [configure with newlib]))
64 AC_ARG_ENABLE(version-specific-runtime-libs,
65 AS_HELP_STRING([--enable-version-specific-runtime-libs],
66 [specify that runtime libraries should be installed in a compiler-specific directory]),
68 yes) version_specific_libs=yes ;;
69 no) version_specific_libs=no ;;
70 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
72 [version_specific_libs=no]
75 # Default to --enable-multilib
76 AC_ARG_ENABLE(multilib,
77 AS_HELP_STRING([--enable-multilib],
78 [build many library versions (default)]),
79 [case "${enableval}" in
82 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
83 esac], [multilib=yes])dnl
85 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
88 # (1) We use an abnormal CXX (without library references), so we
89 # must cache it under a different name.
90 # (2) CC, CFLAGS, CXX, CXXFLAGS, LDFLAGS must not be 'precious', or
91 # the non-multilib-adjusted value will be used in multilibs.
92 # (3) As a side effect, we must SUBST CXXFLAGS, CFLAGS, and LDFLAGS ourselves.
93 # (4) As another side effect, automake doesn't automatically include them
95 # (5) For libstdc++-v3, -fno-builtin must be present here so that a
96 # non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and
97 # used in later tests. This may not be necessary in libjava; I don't know.
98 m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX])
99 m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS])
100 m4_define([_AC_ARG_VAR_PRECIOUS],[])
101 save_CXXFLAGS="$CXXFLAGS"
102 CXXFLAGS="$CXXFLAGS -fno-builtin"
105 CXXFLAGS="$save_CXXFLAGS"
106 m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
111 AM_INIT_AUTOMAKE([1.9.0])
113 AC_CHECK_TOOL(AS, as)
114 AC_CHECK_TOOL(AR, ar)
115 AC_CHECK_TOOL(RANLIB, ranlib, :)
123 # configure.host sets the following important variables
124 # libgcj_cflags - host specific C compiler flags
125 # libgcj_cxxflags - host specific C++ compiler flags
126 # libgcj_javaflags - host specific Java compiler flags
132 . ${srcdir}/configure.host
134 LIBGCJ_CFLAGS="${libgcj_cflags}"
135 LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
136 LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
137 AC_SUBST(LIBGCJ_CFLAGS)
138 AC_SUBST(LIBGCJ_CXXFLAGS)
139 AC_SUBST(LIBGCJ_JAVAFLAGS)
141 AC_CONFIG_HEADERS([include/config.h gcj/libgcj-config.h])
143 # Only use libltdl for non-newlib builds.
144 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
145 AC_LIBLTDL_CONVENIENCE
148 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
149 # Sigh. Libtool's macro doesn't do the right thing.
150 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
151 # FIXME: this is a hack.
152 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
153 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
161 AC_CONFIG_SUBDIRS(libltdl)
163 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
170 # The -no-testsuite modules omit the test subdir.
171 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
173 # Should the runtime set system properties by examining the
174 # environment variable GCJ_PROPERTIES?
175 AC_ARG_ENABLE(getenv-properties,
176 AS_HELP_STRING([--disable-getenv-properties],
177 [don't set system properties from GCJ_PROPERTIES]))
179 # Whether GCJ_PROPERTIES is used depends on the target.
180 if test -z "$enable_getenv_properties"; then
181 enable_getenv_properties=${enable_getenv_properties_default-yes}
183 if test "$enable_getenv_properties" = no; then
184 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
185 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
188 # Whether we should use arguments to main()
189 if test -z "$enable_main_args"; then
190 enable_main_args=${enable_main_args_default-yes}
192 if test "$enable_main_args" = no; then
193 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
197 # Should we use hashtable-based synchronization?
198 # Currently works only for Linux X86/ia64
199 # Typically faster and more space-efficient
200 AC_ARG_ENABLE(hash-synchronization,
201 AS_HELP_STRING([--enable-hash-synchronization],
202 [use global hash table for monitor locks]))
204 if test -z "$enable_hash_synchronization"; then
205 enable_hash_synchronization=$enable_hash_synchronization_default
208 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
209 AC_ARG_ENABLE(libgcj-multifile,
210 AS_HELP_STRING([--enable-libgcj-multifile]
211 [allow compilation of several files at once]),
212 [case "${enableval}" in
213 yes) enable_libgcj_multifile=yes ;;
214 no) enable_libgcj_multifile=no ;;
215 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
216 esac],[enable_libgcj_multifile=no])
217 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
219 # What is the native OS API for MinGW?
220 AC_ARG_WITH(win32-nlsapi,
221 AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode],
222 [native MinGW libgcj Win32 OS API (default is ansi)]),
223 [case "${withval}" in
224 ansi) with_win32_nlsapi=ansi ;;
225 unicows) with_win32_nlsapi=unicows ;;
226 unicode) with_win32_nlsapi=unicode ;;
227 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
228 esac],[with_win32_nlsapi=ansi])
230 case "${with_win32_nlsapi}" in
232 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
233 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
237 # configure.host sets slow_pthread_self if the synchronization code should
238 # try to avoid pthread_self calls by caching thread IDs in a hashtable.
239 if test "${slow_pthread_self}" = "yes"; then
240 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
241 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
245 # See if the user has requested runtime debugging.
247 AC_SUBST(LIBGCJDEBUG)
248 AC_ARG_ENABLE(libgcj-debug,
249 AS_HELP_STRING([--enable-libgcj-debug],
250 [enable runtime debugging code]),
251 [if test "$enable_libgcj_debug" = yes; then
252 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
256 # See if the user has the interpreter included.
257 AC_ARG_ENABLE(interpreter,
258 AS_HELP_STRING([--enable-interpreter],
259 [enable interpreter]),
260 [if test "$enable_interpreter" = yes; then
261 # This can also be set in configure.host.
262 libgcj_interpreter=yes
263 elif test "$enable_interpreter" = no; then
264 libgcj_interpreter=no
267 if test "$libgcj_interpreter" = yes; then
268 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
270 INTERPRETER="$libgcj_interpreter"
271 AC_SUBST(INTERPRETER)
273 AC_MSG_CHECKING([for exception model to use])
275 AC_ARG_ENABLE(sjlj-exceptions,
276 AS_HELP_STRING([--enable-sjlj-exceptions],
277 [force use of builtin_setjmp for exceptions]),
279 [dnl Botheration. Now we've got to detect the exception model.
280 dnl Link tests against libgcc.a are problematic since -- at least
281 dnl as of this writing -- we've not been given proper -L bits for
282 dnl single-tree newlib and libgloss.
284 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
285 dnl conftest files before we got a change to grep them first.
286 cat > conftest.$ac_ext << EOF
287 [#]line __oline__ "configure"
296 old_CXXFLAGS="$CXXFLAGS"
298 if AC_TRY_EVAL(ac_compile); then
299 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
300 enable_sjlj_exceptions=yes
301 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
302 enable_sjlj_exceptions=no
305 CXXFLAGS="$old_CXXFLAGS"
307 if test x$enable_sjlj_exceptions = xyes; then
308 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
309 [Define if the compiler is configured for setjmp/longjmp exceptions.])
310 ac_exception_model_name=sjlj
311 elif test x$enable_sjlj_exceptions = xno; then
312 ac_exception_model_name="call frame"
314 AC_MSG_ERROR([unable to detect exception model])
317 AC_MSG_RESULT($ac_exception_model_name)
319 # If we are non using SJLJ exceptions, and this host does not have support
320 # for unwinding from a signal handler, enable checked dereferences and divides.
321 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
322 CHECKREFSPEC=-fcheck-references
323 DIVIDESPEC=-fuse-divide-subroutine
327 # See if the user wants to disable java.net. This is the mildly
328 # ugly way that we admit that target-side configuration sucks.
329 AC_ARG_ENABLE(java-net,
330 AS_HELP_STRING([--disable-java-net],
333 # Whether java.net is built by default can depend on the target.
334 if test -z "$enable_java_net"; then
335 enable_java_net=${enable_java_net_default-yes}
337 if test "$enable_java_net" = no; then
338 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
341 # See if the user wants to configure without libffi. Some
342 # architectures don't support it, and default values are set in
345 AS_HELP_STRING([--without-libffi],
348 [with_libffi=${with_libffi_default-yes}])
352 if test "$with_libffi" != no; then
353 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
354 LIBFFI=../libffi/libffi_convenience.la
355 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
360 # See if the user wants to disable JVMPI support.
362 AS_HELP_STRING([--disable-jvmpi],
363 [disable JVMPI support]))
365 if test "$enable_jvmpi" != no; then
366 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
369 # If the target is an eCos system, use the appropriate eCos
371 # FIXME: this should not be a local option but a global target
372 # system; at present there is no eCos target.
373 TARGET_ECOS=${PROCESS-"no"}
375 [ --with-ecos enable runtime eCos target support],
376 TARGET_ECOS="$with_ecos"
381 PLATFORM_INNER_NAT_HDRS=
382 case "$TARGET_ECOS" in
388 CHECK_FOR_BROKEN_MINGW_LD
394 PLATFORM_INNER_NAT_HDRS='java/lang/ConcreteProcess$$ProcessManager.h'
401 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
405 AC_SUBST(PLATFORM_INNER_NAT_HDRS)
406 AC_CONFIG_LINKS(include/platform.h:include/$PLATFORMH)
408 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
409 [Define if you have int32_t and uint32_t.]))
410 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
411 [Define if you have int32_t and uint32_t.]))
412 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
413 [Define if you have u_int32_t]))
414 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
415 [Define if you have u_int32_t]))
417 AM_CONDITIONAL(USING_WIN32_PLATFORM, test "$PLATFORM" = Win32)
418 AM_CONDITIONAL(USING_POSIX_PLATFORM, test "$PLATFORM" = Posix)
419 AM_CONDITIONAL(USING_ECOS_PLATFORM, test "$PLATFORM" = Ecos)
421 # These may not be defined in a non-ANS conformant embedded system.
422 # FIXME: Should these case a runtime exception in that case?
423 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
424 [Define is you have 'mktime' in <time.h>]))
425 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
426 [Define is you have 'localtime' in <time.h>]))
428 # Create the subdirectory for natFile.cc, or the attempt
429 # to create the link will fail.
430 test -d java || mkdir java
431 test -d java/io || mkdir java/io
432 test -d gnu || mkdir gnu
433 AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc)
435 # Likewise for ConcreteProcess.java and natConcreteProcess.cc.
436 test -d java/lang || mkdir java/lang
437 AC_CONFIG_LINKS(java/lang/ConcreteProcess.java:java/lang/${PLATFORM}Process.java)
438 AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc)
440 # Likewise for natInetAddress.cc and natNetworkInterface.cc.
441 test -d java/net || mkdir java/net
442 AC_CONFIG_LINKS(java/net/natInetAddress.cc:java/net/natInetAddress${PLATFORMNET}.cc)
443 AC_CONFIG_LINKS(java/net/natNetworkInterface.cc:java/net/natNetworkInterface${PLATFORMNET}.cc)
445 # Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
446 test -d gnu/java || mkdir gnu/java
447 test -d gnu/java/net || mkdir gnu/java/net
448 AC_CONFIG_LINKS(gnu/java/net/natPlainSocketImpl.cc:gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc)
449 AC_CONFIG_LINKS(gnu/java/net/natPlainDatagramSocketImpl.cc:gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc)
451 # Likewise for natPipeImpl.cc and natSelectorImpl.cc.
452 test -d gnu/java/nio || mkdir gnu/java/nio
453 AC_CONFIG_LINKS(gnu/java/nio/natPipeImpl.cc:gnu/java/nio/natPipeImpl${PLATFORM}.cc)
454 AC_CONFIG_LINKS(gnu/java/nio/natSelectorImpl.cc:gnu/java/nio/natSelectorImpl${PLATFORM}.cc)
455 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
456 AC_CONFIG_LINKS(gnu/java/nio/channels/natFileChannelImpl.cc:gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc)
460 SYSTEMSPEC="-lgdi32 -lws2_32"
461 if test "${with_win32_nlsapi}" = "unicows"; then
462 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
471 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
472 AC_SUBST(LIBGCJTESTSPEC)
474 AC_ARG_WITH(system-zlib,
475 AS_HELP_STRING([--with-system-zlib],
476 [use installed libz]))
480 AC_SUBST(ZLIBTESTSPEC)
484 # Determine which AWT peer libraries to build
485 AC_ARG_ENABLE(java-awt,
486 AS_HELP_STRING([--enable-java-awt],
487 [list of AWT peer implementations to be built]))
489 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
492 # The default toolkit to use is the first one specified.
496 for peer in $peerlibs ; do
499 if test "$no_x" = yes; then
500 echo "*** xlib peers requested but no X library available" 1>&2
504 if test -z "$TOOLKIT"; then
505 TOOLKIT=gnu.awt.xlib.XToolkit
510 if test "$no_x" = yes; then
511 echo "*** xlib peers requested but no X library available" 1>&2
515 if test -z "$TOOLKIT"; then
516 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
518 test -d jniinclude || mkdir jniinclude
527 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
532 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
533 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
535 # determine whether to enable the cairo GTK Graphics2D backend
536 AC_ARG_ENABLE(gtk-cairo,
537 AS_HELP_STRING([--enable-gtk-cairo],
538 [build the cairo Graphics2D implementation on GTK]))
539 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
540 if test "x${enable_gtk_cairo}" = xyes
542 PKG_CHECK_MODULES(CAIRO, cairo)
543 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
546 AC_SUBST(CAIRO_CFLAGS)
547 AC_SUBST(PANGOFT2_LIBS)
548 AC_SUBST(PANGOFT2_CFLAGS)
550 # FIXME: this should be _libs on some hosts.
553 # Allow the GC to be disabled. Can be useful when debugging.
554 AC_MSG_CHECKING([for garbage collector to use])
555 AC_ARG_ENABLE(java-gc,
556 AS_HELP_STRING([--enable-java-gc=TYPE],
557 [choose garbage collector (default is boehm)]),
569 GCLIBS=../boehm-gc/libgcjgc_convenience.la
570 JC1GCSPEC='-fuse-boehm-gc'
571 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
572 GCINCS='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'
575 # The POSIX thread support needs to know this.
576 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
583 AC_MSG_ERROR([unrecognized collector "$GC"])
592 AC_CONFIG_LINKS(include/java-gc.h:include/$GCHDR)
593 AM_CONDITIONAL(USING_BOEHMGC, test "$GC" = boehm)
594 AM_CONDITIONAL(USING_NOGC, test "$GC" = no)
597 AC_MSG_CHECKING([for thread model used by GCC])
598 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
599 AC_MSG_RESULT([$THREADS])
609 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
615 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
616 AC_MSG_ERROR(thread package $THREADS not yet supported)
619 AC_MSG_ERROR($THREADS is an unknown thread package)
634 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
636 *-*-freebsd[[1234]]*)
637 # Before FreeBSD 5, it didn't have -lpthread (or any library which
638 # merely adds pthread_* functions) but it does have a -pthread switch
639 # which is required at link-time to select -lc_r *instead* of -lc.
640 THREADLDFLAGS=-pthread
641 # Don't set THREADSPEC here as might be expected since -pthread is
642 # not processed when found within a spec file, it must come from
643 # the command line. For now, the user must provide the -pthread
644 # switch to link code compiled with gcj. In future, consider adding
645 # support for weak references to pthread_* functions ala gthr.h API.
646 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
649 # FreeBSD 5 implements a model much closer to other modern UNIX
650 # which support threads. However, it still does not support
652 THREADLDFLAGS=-pthread
656 THREADCXXFLAGS=-pthread
657 # boehm-gc needs some functions from librt, so link that too.
658 THREADLIBS='-lpthread -lrt'
659 THREADSPEC='-lpthread -lrt'
666 THREADH=posix-threads.h
667 # MIT pthreads doesn't seem to have the mutexattr functions.
668 # But for now we don't check for it. We just assume you aren't
669 # using MIT pthreads.
670 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
672 # If we're using the Boehm GC, then we happen to know that it
673 # defines _REENTRANT, so we don't bother. Eww.
674 if test "$GC" != boehm; then
675 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
677 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
681 THREADH=win32-threads.h
688 AC_CONFIG_LINKS(include/java-threads.h:include/$THREADH)
693 AC_SUBST(THREADLDFLAGS)
694 AC_SUBST(THREADCXXFLAGS)
695 AM_CONDITIONAL(USING_POSIX_THREADS, test "$THREADS" = posix)
696 AM_CONDITIONAL(USING_WIN32_THREADS, test "$THREADS" = win32)
697 AM_CONDITIONAL(USING_NO_THREADS, test "$THREADS" = none)
699 if test -d sysdep; then true; else mkdir sysdep; fi
700 AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$sysdeps_dir/locks.h)
703 # Hash synchronization is only useful with posix threads right now.
704 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
705 HASH_SYNC_SPEC=-fhash-synchronization
706 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
708 AC_SUBST(HASH_SYNC_SPEC)
711 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
713 # We're in the tree with gcc, and need to include some of its headers.
714 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
716 # Figure out where generated headers like libgcj-config.h get installed.
717 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
718 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^\"]]*\)\".*/\1/'`
719 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([[^ ]]*\) .*/\1/'`
720 tool_include_dir='$(libdir)/gcc/$(target_noncanonical)/'${gcc_version}/include
721 AC_SUBST(tool_include_dir)
722 AC_SUBST(gcc_version)
724 if test "x${with_newlib}" = "xyes"; then
725 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
726 # may not work correctly, because the compiler may not be able to
729 # We assume newlib. This lets us hard-code the functions we know
731 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
732 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
733 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
734 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
735 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
736 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
737 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
738 # This is only for POSIX threads.
739 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
740 # We also assume we are using gcc, which provides alloca.
741 AC_DEFINE(HAVE_ALLOCA)
743 # Assume we do not have getuid and friends.
744 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
747 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
748 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
749 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
750 AC_CHECK_FUNCS(nl_langinfo setlocale)
751 AC_CHECK_FUNCS(inet_aton inet_addr, break)
752 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
753 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
754 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
755 AC_CHECK_FUNC(backtrace, [
758 # Has broken backtrace()
761 # Has broken backtrace(), but we supply our own.
762 if test -d sysdep; then true; else mkdir -p sysdep; fi
764 AC_DEFINE(HAVE_BACKTRACE, 1,
765 [Define if your platform has a working backtrace() function.])
768 AC_DEFINE(HAVE_BACKTRACE, 1,
769 [Define if your platform has a working backtrace() function.])
775 # Has backtrace() defined in libgcj itself
776 AC_DEFINE(HAVE_BACKTRACE, 1,
777 [Define if your platform has a working backtrace() function.])
782 AC_CHECK_LIB(dl, dladdr, [
783 if test "x${disable_dladdr}" = "xyes"; then
787 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
790 if test x"$build" = x"$host"; then
791 AC_CHECK_FILES(/proc/self/exe, [
792 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
796 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
805 AC_CHECK_FUNCS(gethostbyname_r, [
806 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
807 [Define if you have the 'gethostbyname_r' function.])
808 # There are two different kinds of gethostbyname_r.
809 # We look for the one that returns `int'.
810 # Hopefully this check is robust enough.
811 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
812 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
815 *" -D_REENTRANT "*) ;;
817 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
818 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
819 [libjava_cv_gethostbyname_r_needs_reentrant],
821 AC_TRY_COMPILE([#include <netdb.h>],
822 [gethostbyname_r("", 0, 0);],
823 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
824 CPPFLAGS_SAVE="$CPPFLAGS"
825 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
826 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
827 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
828 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
829 CPPFLAGS="$CPPFLAGS_SAVE"
833 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
834 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
839 AC_CACHE_CHECK([for struct hostent_data],
840 [libjava_cv_struct_hostent_data], [dnl
842 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
843 # define _REENTRANT 1
845 #include <netdb.h>], [struct hostent_data data;],
846 [libjava_cv_struct_hostent_data=yes],
847 [libjava_cv_struct_hostent_data=no])])
848 if test "x$libjava_cv_struct_hostent_data" = xyes; then
849 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
850 [Define if struct hostent_data is defined in netdb.h])
854 # FIXME: libjava source code expects to find a prototype for
855 # gethostbyaddr_r in netdb.h. The outer check ensures that
856 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
857 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
858 # linkage check is enough, yet C++ code requires proper prototypes.)
859 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
860 AC_CHECK_FUNCS(gethostbyaddr_r, [
861 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
862 [Define if you have the 'gethostbyaddr_r' function.])
863 # There are two different kinds of gethostbyaddr_r.
864 # We look for the one that returns `int'.
865 # Hopefully this check is robust enough.
866 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
867 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
868 [Define if gethostbyaddr_r returns 'int'.])])])])
870 AC_CHECK_FUNCS(gethostname, [
871 AC_DEFINE(HAVE_GETHOSTNAME, 1,
872 [Define if you have the 'gethostname' function.])
873 AC_EGREP_HEADER(gethostname, unistd.h, [
874 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
875 [Define if gethostname is declared in <unistd.h>.])])])
877 AC_CHECK_FUNCS(usleep, [
878 AC_EGREP_HEADER(usleep, unistd.h, [
879 AC_DEFINE(HAVE_USLEEP_DECL, 1,
880 [Define if usleep is declared in <unistd.h>.])])])
882 # Look for these functions in the thread library, but only bother
883 # if using POSIX threads.
884 if test "$THREADS" = posix; then
886 LIBS="$LIBS $THREADLIBS"
887 # Some POSIX thread systems don't have pthread_mutexattr_settype.
889 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
891 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
892 # Solaris 7 the name librt is preferred.
893 AC_CHECK_FUNCS(sched_yield, , [
894 AC_CHECK_LIB(rt, sched_yield, [
895 AC_DEFINE(HAVE_SCHED_YIELD)
896 THREADLIBS="$THREADLIBS -lrt"
897 THREADSPEC="$THREADSPEC -lrt"], [
898 AC_CHECK_LIB(posix4, sched_yield, [
899 AC_DEFINE(HAVE_SCHED_YIELD)
900 THREADLIBS="$THREADLIBS -lposix4"
901 THREADSPEC="$THREADSPEC -lposix4"])])])
904 # We can save a little space at runtime if the mutex has m_count
905 # or __m_count. This is a nice hack for Linux.
906 AC_TRY_COMPILE([#include <pthread.h>], [
907 extern pthread_mutex_t *mutex; int q = mutex->m_count;
908 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
909 [Define if pthread_mutex_t has m_count member.]), [
910 AC_TRY_COMPILE([#include <pthread.h>], [
911 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
912 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
913 [Define if pthread_mutex_t has __m_count member.]))])
916 # We require a way to get the time.
918 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
919 if test "$time_found" = no; then
920 AC_MSG_ERROR([no function found to get the time])
923 AC_CHECK_FUNCS(memmove)
927 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
928 if test "$memcpy_found" = no; then
929 AC_MSG_ERROR([memcpy is required])
932 AC_CHECK_LIB(dl, dlopen, [
933 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
935 # Some library-finding code we stole from Tcl.
936 #--------------------------------------------------------------------
937 # Check for the existence of the -lsocket and -lnsl libraries.
938 # The order here is important, so that they end up in the right
939 # order in the command line generated by make. Here are some
940 # special considerations:
941 # 1. Use "connect" and "accept" to check for -lsocket, and
942 # "gethostbyname" to check for -lnsl.
943 # 2. Use each function name only once: can't redo a check because
944 # autoconf caches the results of the last check and won't redo it.
945 # 3. Use -lnsl and -lsocket only if they supply procedures that
946 # aren't already present in the normal libraries. This is because
947 # IRIX 5.2 has libraries, but they aren't needed and they're
948 # bogus: they goof up name resolution if used.
949 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
950 # To get around this problem, check for both libraries together
951 # if -lsocket doesn't work by itself.
952 #--------------------------------------------------------------------
954 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
957 unset ac_cv_func_connect
958 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
959 if test "$gcj_checkSocket" = 1; then
960 unset ac_cv_func_connect
961 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
964 if test "$gcj_checkBoth" = 1; then
966 LIBS="$LIBS -lsocket -lnsl"
967 unset ac_cv_func_accept
968 AC_CHECK_FUNC(accept,
970 gcj_cv_lib_sockets="-lsocket -lnsl"])
971 unset ac_cv_func_accept
974 unset ac_cv_func_gethostbyname
976 LIBS="$LIBS $gcj_cv_lib_sockets"
977 AC_CHECK_FUNC(gethostbyname, ,
978 [AC_CHECK_LIB(nsl, main,
979 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
980 unset ac_cv_func_gethostbyname
983 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
985 if test "$with_system_zlib" = yes; then
986 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
989 # Test for Gtk stuff, if asked for.
990 if test "$use_gtk_awt" = yes; then
991 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4)
995 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.4 gthread-2.0 >= 2.4)
996 AC_SUBST(GLIB_CFLAGS)
999 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
1000 AC_SUBST(LIBART_CFLAGS)
1001 AC_SUBST(LIBART_LIBS)
1004 # On Solaris, and maybe other architectures, the Boehm collector
1006 if test "$GC" = boehm; then
1007 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
1010 AM_CONDITIONAL(SUPPLY_BACKTRACE, test "$supply_backtrace" = yes)
1012 if test -z "${with_multisubdir}"; then
1015 builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'`
1020 # Which gcj do we use?
1022 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
1023 if test -n "${with_cross_host}"; then
1024 # We are being configured with a cross compiler. We can't
1025 # use ac_exeext, because that is for the target platform.
1028 case "${with_cross_host}" in
1030 cross_host_exeext=.exe
1033 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
1034 if test x"$build_noncanonical" = x"$with_cross_host"; then
1035 # Ordinary cross (host!=target and host=build)
1038 # Canadian cross (host!=target and host!=build)
1045 # We are being configured with a native or crossed-native compiler
1046 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
1047 if test x"$build" = x"$host"; then
1048 # True native build (host=target and host=build)
1051 # Crossed-native build (host=target and host!=build)
1058 case "${which_gcj}" in
1060 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
1061 GCJH='$(MULTIBUILDTOP)../$(COMPPATH)/gcc/gcjh'
1062 ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'
1065 if test "x${with_newlib}" = "xyes"; then
1066 # FIXME (comment): Why is this needed?
1068 GCJ="${target_noncanonical}-gcj"
1070 GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/"
1073 GCJH='$(target_noncanonical)-gcjh'
1076 GCJ="gcj -B`${PWDCMD-pwd}`/"
1077 ## In this case, gcj is found outside the build tree. However, zip is
1078 ## found in the build tree.
1079 ZIP='$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'
1087 # Create it, so that compile/link tests don't fail
1088 test -f libgcj.spec || touch libgcj.spec
1090 # We must search the source tree for java.lang, since we still don't
1091 # have libgcj.jar nor java/lang/*.class
1092 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
1093 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
1095 # Since some classes depend on this one, we need its source available
1096 # before we can do any GCJ compilation test :-(
1097 if test ! -f gnu/classpath/Configuration.java; then
1098 test -d gnu || mkdir gnu
1099 test -d gnu/classpath || mkdir gnu/classpath
1100 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
1101 -e 's,@TOOLKIT@,$TOOLKIT,' \
1102 < $srcdir/gnu/classpath/Configuration.java.in \
1103 > gnu/classpath/Configuration.java
1104 # We do not want to redirect the output of the grep below to /dev/null,
1105 # but we add /dev/null to the input list so that grep will print the
1106 # filename of Configuration.java in case it finds any matches.
1107 if grep @ gnu/classpath/Configuration.java /dev/null; then
1108 AC_MSG_ERROR([configure.ac is missing the substitutions above])
1114 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
1116 AC_COMPILE_CHECK_SIZEOF(void *)
1122 if test -z "$ZLIBSPEC"; then
1123 # Use zlib from the GCC tree.
1124 ZINCS='-I$(top_srcdir)/../zlib'
1125 ZLIBS=../zlib/libzgcj_convenience.la
1128 SYS_ZLIBS="$ZLIBSPEC"
1133 AC_SUBST(DIVIDESPEC)
1134 AC_SUBST(CHECKREFSPEC)
1135 AC_SUBST(EXCEPTIONSPEC)
1138 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes)
1139 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1140 AC_SUBST(GCC_UNWIND_INCLUDE)
1142 # Process the option "--enable-version-specific-runtime-libs"
1143 # Calculate toolexeclibdir
1144 case ${version_specific_libs} in
1146 # Need the gcc compiler version to know where to install libraries
1147 # and header files if --enable-version-specific-runtime-libs option
1149 includedir='${libdir}/gcc/${target_noncanonical}/'$gcc_version/include/
1150 toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
1151 toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1152 toolexeclibdir=$toolexecmainlibdir
1155 if test -n "$with_cross_host" &&
1156 test x"$with_cross_host" != x"no"; then
1157 # Install a library built with a cross compiler in tooldir, not libdir.
1158 toolexecdir='$(exec_prefix)/$(target_noncanonical)'
1159 toolexecmainlibdir='$(toolexecdir)/lib'
1161 toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
1162 toolexecmainlibdir='$(libdir)'
1164 multi_os_directory=`$CC -print-multi-os-directory`
1165 case $multi_os_directory in
1166 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1167 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1171 AC_SUBST(toolexecdir)
1172 AC_SUBST(toolexecmainlibdir)
1173 AC_SUBST(toolexeclibdir)
1175 # Determine gcj version number.
1176 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([[^ ]]*\).*$/\1/p'`
1177 GCJVERSION=$gcjversion
1178 AC_SUBST(GCJVERSION)
1179 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1181 # We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1182 # On that system, sys/ioctl.h will not include sys/filio.h unless
1183 # BSD_COMP is defined; just including sys/filio.h is simpler.
1184 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)
1185 # We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1186 # for now. If you change this, you also must update natFile.cc.
1187 AC_CHECK_HEADERS(dirent.h)
1188 AC_CHECK_HEADERS(inttypes.h, [
1189 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1190 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1194 AC_CHECK_TYPE([ssize_t], [int])
1196 AC_MSG_CHECKING([for in_addr_t])
1197 AC_TRY_COMPILE([#include <sys/types.h>
1202 #if HAVE_NETINET_IN_H
1203 #include <netinet/in.h>
1204 #endif], [in_addr_t foo;],
1205 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1206 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1207 AC_MSG_RESULT(yes)],
1208 [AC_MSG_RESULT(no)])
1210 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1211 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1212 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1213 [Define if struct ip_mreq is defined in netinet/in.h.])
1214 AC_MSG_RESULT(yes)],
1215 [AC_MSG_RESULT(no)])
1217 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1218 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1219 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1220 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1221 AC_MSG_RESULT(yes)],
1222 [AC_MSG_RESULT(no)])
1224 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1225 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1226 [AC_DEFINE(HAVE_INET6, 1,
1227 [Define if inet6 structures are defined in netinet/in.h.])
1228 AC_MSG_RESULT(yes)],
1229 [AC_MSG_RESULT(no)])
1231 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1232 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1233 #include <sys/types.h>
1234 #include <sys/socket.h>], [socklen_t x = 5;],
1235 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1236 AC_MSG_RESULT(yes)],
1237 [AC_MSG_RESULT(no)])
1239 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1240 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1241 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1242 AC_MSG_RESULT(yes)],
1244 AC_MSG_CHECKING([for global timezone variable])
1245 dnl FIXME: we don't want a link check here because that won't work
1246 dnl when cross-compiling. So instead we make an assumption that
1247 dnl the header file will mention timezone if it exists.
1248 dnl Don't find the win32 function timezone
1249 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1250 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1251 AC_MSG_RESULT(yes)],
1253 AC_MSG_CHECKING([for global _timezone variable])
1254 dnl FIXME: As above, don't want link check
1255 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1256 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1257 [Define if your platform has the global _timezone variable.])
1258 AC_MSG_RESULT(yes)],
1259 [AC_MSG_RESULT(no)])])])
1264 AC_CHECK_PROGS(PERL, perl, false)
1271 SIGNAL_HANDLER=include/i386-signal.h
1273 sparc*-sun-solaris*)
1274 SIGNAL_HANDLER=include/sparc-signal.h
1277 # SYSDEP_SOURCES=sysdep/ia64.c
1278 # test -d sysdep || mkdir sysdep
1281 SIGNAL_HANDLER=include/pa-signal.h
1284 SIGNAL_HANDLER=include/dwarf2-signal.h
1287 SIGNAL_HANDLER=include/powerpc-signal.h
1290 SIGNAL_HANDLER=include/dwarf2-signal.h
1293 SIGNAL_HANDLER=include/s390-signal.h
1296 SIGNAL_HANDLER=include/x86_64-signal.h
1297 SIGNAL_HANDLER_AUX=include/i386-signal.h
1300 SIGNAL_HANDLER=include/dwarf2-signal.h
1302 sh-*-linux* | sh[[34]]*-*-linux*)
1303 SIGNAL_HANDLER=include/dwarf2-signal.h
1306 SIGNAL_HANDLER=include/win32-signal.h
1309 SIGNAL_HANDLER=include/mips-signal.h
1312 SIGNAL_HANDLER=include/darwin-signal.h
1315 SIGNAL_HANDLER=include/default-signal.h
1319 # If we're using sjlj exceptions, forget what we just learned.
1320 if test "$enable_sjlj_exceptions" = yes; then
1321 SIGNAL_HANDLER=include/default-signal.h
1325 # Define here any compiler flags that you need in order to make backtrace() work.
1328 x86_64*-*-linux*|i?86-*)
1329 BACKTRACESPEC=-fno-omit-frame-pointer
1332 AC_SUBST(BACKTRACESPEC)
1334 AC_SUBST(SYSDEP_SOURCES)
1336 if test -z "$SIGNAL_HANDLER_AUX"; then
1337 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1340 AC_CONFIG_LINKS(include/java-signal.h:$SIGNAL_HANDLER
1341 include/java-signal-aux.h:$SIGNAL_HANDLER_AUX)
1343 if test "${multilib}" = "yes"; then
1344 multilib_arg="--enable-multilib"
1351 here=`${PWDCMD-pwd}`
1354 # We get this from the environment.
1362 gnu/classpath/Configuration.java
1368 AC_CONFIG_COMMANDS([default],
1369 [# Only add multilib support code if we just rebuilt top-level Makefile.
1370 case " $CONFIG_FILES " in
1372 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1373 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1377 # Make subdirectories and `.d' files. Look in both srcdir and
1378 # builddir for the .java files.
1381 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1382 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1383 fgrep -v testsuite | \
1384 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1386 echo "include $f" >> deps.mk
1388 d=`echo $f | sed -e 's,/[[^/]]*$,,'`
1389 if test ! -d $d; then
1390 $libgcj_basedir/../mkinstalldirs $d
1399 with_multisubdir=${with_multisubdir}
1400 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1401 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1402 libgcj_basedir=${libgcj_basedir}
1405 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"