1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
4 dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
10 dnl We use these options to decide which functions to include.
11 AC_ARG_WITH(target-subdir,
12 [ --with-target-subdir=SUBDIR
13 configuring in a subdirectory])
14 AC_ARG_WITH(cross-host,
15 [ --with-cross-host=HOST configuring with a cross compiler])
19 AM_CONFIG_HEADER(include/config.h)
21 # Only use libltdl for native builds.
22 if test -z "${with_cross_host}"; then
23 AC_LIBLTDL_CONVENIENCE
27 # Sigh. Libtool's macro doesn't do the right thing.
28 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
34 AC_CONFIG_SUBDIRS($DIRLTDL)
36 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
43 dnl The -no-testsuite modules omit the test subdir.
44 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
46 dnl See whether the user prefers size or speed for Character.
47 dnl The default is size.
48 AC_ARG_ENABLE(fast-character,
49 [ --enable-fast-character prefer speed over size for Character],
51 , AC_DEFINE(COMPACT_CHARACTER))
53 dnl Should the runtime set system properties by examining the
54 dnl environment variable GCJ_PROPERTIES?
55 AC_ARG_ENABLE(getenv-properties,
56 [ --disable-getenv-properties
57 don't set system properties from GCJ_PROPERTIES])
59 dnl Whether GCJ_PROPERTIES is used depends on the target.
60 if test -n "$enable_getenv_properties"; then
61 enable_getenv_properties=${enable_getenv_properties_default-yes}
63 if test "$enable_getenv_properties" = no; then
64 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
67 dnl See if the user has requested runtime debugging.
70 AC_ARG_ENABLE(libgcj-debug,
71 [ --enable-libgcj-debug enable runtime debugging code],
72 if test "$enable_libgcj_debug" = yes; then
77 dnl See if the user has the interpreter included.
78 AC_ARG_ENABLE(interpreter,
79 [ --enable-interpreter enable interpreter],
80 if test "$enable_interpreter" = yes; then
81 # This can also be set in configure.host.
82 libgcj_interpreter=yes
83 elif test "$enable_interpreter" = no; then
87 if test "$libgcj_interpreter" = yes; then
88 AC_DEFINE(INTERPRETER)
91 AC_MSG_CHECKING([for exception model to use])
94 AC_ARG_ENABLE(sjlj-exceptions,
95 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
97 [dnl Botheration. Now we've got to detect the exception model.
98 dnl Link tests against libgcc.a are problematic since -- at least
99 dnl as of this writing -- we've not been given proper -L bits for
100 dnl single-tree newlib and libgloss.
102 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
103 dnl conftest files before we got a change to grep them first.
104 cat > conftest.$ac_ext << EOF
105 [#]line __oline__ "configure"
114 old_CXXFLAGS="$CXXFLAGS"
116 if AC_TRY_EVAL(ac_compile); then
117 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
118 enable_sjlj_exceptions=yes
119 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
120 enable_sjlj_exceptions=no
123 CXXFLAGS="$old_CXXFLAGS"
125 if test x$enable_sjlj_exceptions = xyes; then
126 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
127 [Define if the compiler is configured for setjmp/longjmp exceptions.])
128 ac_exception_model_name=sjlj
129 elif test x$enable_sjlj_exceptions = xno; then
130 ac_exception_model_name="call frame"
132 AC_MSG_ERROR([unable to detect exception model])
135 AC_MSG_RESULT($ac_exception_model_name)
137 AC_MSG_CHECKING([for data_start])
140 AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
141 [AC_MSG_RESULT(found it)],
142 [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
144 AC_MSG_RESULT(missing)])
145 AC_SUBST(LIBDATASTARTSPEC)
147 dnl See if the user wants to disable java.net. This is the mildly
148 dnl ugly way that we admit that target-side configuration sucks.
149 AC_ARG_ENABLE(java-net,
150 [ --disable-java-net disable java.net])
152 dnl Whether java.net is built by default can depend on the target.
153 if test -n "$enable_java_net"; then
154 enable_java_net=${enable_java_net_default-yes}
156 if test "$enable_java_net" = no; then
157 AC_DEFINE(DISABLE_JAVA_NET)
160 dnl See if the user wants to disable JVMPI support.
162 [ --disable-jvmpi disable JVMPI support])
164 if test "$enable_jvmpi" != no; then
165 AC_DEFINE(ENABLE_JVMPI)
168 dnl If the target is an eCos system, use the appropriate eCos
170 dnl FIXME: this should not be a local option but a global target
171 dnl system; at present there is no eCos target.
174 [ --with-ecos enable runtime eCos target support],
175 TARGET_ECOS="$with_ecos"
178 case "$TARGET_ECOS" in
180 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
181 PROCESS=${PROCESS-Posix}
184 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
190 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
191 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
192 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
193 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
196 dnl These may not be defined in a non-ANS conformant embedded system.
197 dnl FIXME: Should these case a runtime exception in that case?
198 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
199 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
201 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
202 dnl to create the link will fail.
203 test -d java || mkdir java
204 test -d java/io || mkdir java/io
205 test -d gnu || mkdir gnu
206 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
208 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
209 test -d java/lang || mkdir java/lang
210 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
211 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
216 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
217 AC_SUBST(LIBGCJTESTSPEC)
219 AC_ARG_WITH(system-zlib,
220 [ --with-system-zlib use installed libz])
224 AC_SUBST(ZLIBTESTSPEC)
226 dnl FIXME: this should be _libs on some hosts.
229 dnl Allow the GC to be disabled. Can be useful when debugging.
230 AC_MSG_CHECKING([for garbage collector to use])
231 AC_ARG_ENABLE(java-gc,
232 changequote(<<,>>)dnl
233 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
247 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
248 # We include the path to the boehm-gc build directory.
249 # See Makefile.am to understand why.
250 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
251 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
253 JC1GCSPEC='-fuse-boehm-gc'
254 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
255 dnl We also want to pick up some cpp flags required when including
256 dnl boehm-config.h. Yuck.
257 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
260 dnl The POSIX thread support needs to know this.
261 AC_DEFINE(HAVE_BOEHM_GC)
269 AC_MSG_ERROR(unrecognized collector \"$GC\")
279 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
282 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
283 dnl In particular both packages must make the same decision about which
284 dnl thread package to use.
285 AC_MSG_CHECKING([for threads package to use])
286 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
288 dnl FIXME: figure out native threads to use here.
291 if test "$THREADS" = yes; then
297 # FIXME: this isn't correct in all cases.
304 # FIXME: for now, choose POSIX, because we implement that.
305 # Later, choose irix threads.
309 # FIXME: for now, choose POSIX, because we implement that.
310 # Later, choose solaris threads.
328 AC_DEFINE(LINUX_THREADS)
332 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
333 AC_MSG_ERROR(thread package $THREADS not yet supported)
336 AC_MSG_ERROR($THREADS is an unknown thread package)
339 AC_MSG_RESULT($THREADS)
351 THREADOBJS=posix-threads.lo
352 THREADH=posix-threads.h
353 # MIT pthreads doesn't seem to have the mutexattr functions.
354 # But for now we don't check for it. We just assume you aren't
355 # using MIT pthreads.
356 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
358 # If we're using the Boehm GC, then we happen to know that it
359 # defines _REENTRANT, so we don't bother. Eww.
360 if test "$GC" != boehm; then
361 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
363 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
367 THREADOBJS=no-threads.lo
371 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
378 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
384 # Find unwind.h and support headers. If we're in the tree with
385 # gcc, then look there. Otherwise look in compat-include. If all else
386 # fails, just hope the user has set things up somehow.
387 echo "probing $srcdir/../gcc/unwind.h"
388 if test -r $srcdir/../gcc/unwind.h; then
389 GCC_UNWIND_INCLUDE='-I$(top_srcdir)/../gcc'
391 if test -d $srcdir/../compat-include; then
392 GCC_UNWIND_INCLUDE='-I$(top_srcdir)/../compat-include'
398 if test -n "${with_cross_host}"; then
399 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
400 # may not work correctly, because the compiler may not be able to
403 # We assume newlib. This lets us hard-code the functions we know
405 AC_DEFINE(HAVE_MEMMOVE)
406 AC_DEFINE(HAVE_MEMCPY)
407 AC_DEFINE(HAVE_STRERROR)
408 AC_DEFINE(HAVE_GMTIME_R)
409 AC_DEFINE(HAVE_LOCALTIME_R)
410 dnl This is only for POSIX threads.
411 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
412 dnl We also assume we are using gcc, which provides alloca.
413 AC_DEFINE(HAVE_ALLOCA)
415 dnl Assume we do not have getuid and friends.
419 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
421 # If Canadian cross, then don't pick up tools from the build
423 if test "$build" != "$with_cross_host"; then
426 GCJ="${target_alias}-gcj"
432 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
433 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
434 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
435 AC_CHECK_FUNCS(iconv nl_langinfo setlocale)
436 AC_CHECK_FUNCS(inet_aton inet_addr, break)
437 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
438 AC_CHECK_FUNCS(backtrace fork execvp pipe)
439 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
440 AC_CHECK_LIB(dl, dladdr, [
441 AC_DEFINE(HAVE_DLADDR)])
442 AC_CHECK_FILES(/proc/self/exe, [
443 AC_DEFINE(HAVE_PROC_SELF_EXE)])
445 AC_CHECK_FUNCS(gethostbyname_r, [
446 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
447 # There are two different kinds of gethostbyname_r.
448 # We look for the one that returns `int'.
449 # Hopefully this check is robust enough.
450 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
451 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
454 *" -D_REENTRANT "*) ;;
456 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
457 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
458 [libjava_cv_gethostbyname_r_needs_reentrant],
461 AC_TRY_COMPILE([#include <netdb.h>],
462 [gethostbyname_r("", 0, 0);],
463 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
464 CPPFLAGS_SAVE="$CPPFLAGS"
465 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
466 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
467 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
468 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
469 CPPFLAGS="$CPPFLAGS_SAVE"
473 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
474 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
479 AC_CACHE_CHECK([for struct hostent_data],
480 [libjava_cv_struct_hostent_data], [dnl
482 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
483 # define _REENTRANT 1
485 #include <netdb.h>], [struct hostent_data data;],
486 [libjava_cv_struct_hostent_data=yes],
487 [libjava_cv_struct_hostent_data=no])])
488 if test "x$libjava_cv_struct_hostent_data" = xyes; then
489 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
490 [Define if struct hostent_data is defined in netdb.h])
494 AC_CHECK_FUNCS(gethostbyaddr_r, [
495 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
496 # There are two different kinds of gethostbyaddr_r.
497 # We look for the one that returns `int'.
498 # Hopefully this check is robust enough.
499 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
500 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
502 AC_CHECK_FUNCS(gethostname, [
503 AC_DEFINE(HAVE_GETHOSTNAME)
504 AC_EGREP_HEADER(gethostname, unistd.h, [
505 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
507 # Look for these functions in the thread library, but only bother
508 # if using POSIX threads.
509 if test "$THREADS" = posix; then
511 LIBS="$LIBS $THREADLIBS"
512 # Some POSIX thread systems don't have pthread_mutexattr_settype.
514 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
516 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
517 # Solaris 7 the name librt is preferred.
518 AC_CHECK_FUNCS(sched_yield, , [
519 AC_CHECK_LIB(rt, sched_yield, [
520 AC_DEFINE(HAVE_SCHED_YIELD)
521 THREADLIBS="$THREADLIBS -lrt"
522 THREADSPEC="$THREADSPEC -lrt"], [
523 AC_CHECK_LIB(posix4, sched_yield, [
524 AC_DEFINE(HAVE_SCHED_YIELD)
525 THREADLIBS="$THREADLIBS -lposix4"
526 THREADSPEC="$THREADSPEC -lposix4"])])])
529 # We can save a little space at runtime if the mutex has m_count
530 # or __m_count. This is a nice hack for Linux.
531 AC_TRY_COMPILE([#include <pthread.h>], [
532 extern pthread_mutex_t *mutex; int q = mutex->m_count;
533 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
534 AC_TRY_COMPILE([#include <pthread.h>], [
535 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
536 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
539 # We require a way to get the time.
541 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
542 if test "$time_found" = no; then
543 AC_MSG_ERROR([no function found to get the time])
546 AC_CHECK_FUNCS(memmove)
550 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
551 if test "$memcpy_found" = no; then
552 AC_MSG_ERROR([memcpy is required])
555 # Some library-finding code we stole from Tcl.
556 #--------------------------------------------------------------------
557 # Check for the existence of the -lsocket and -lnsl libraries.
558 # The order here is important, so that they end up in the right
559 # order in the command line generated by make. Here are some
560 # special considerations:
561 # 1. Use "connect" and "accept" to check for -lsocket, and
562 # "gethostbyname" to check for -lnsl.
563 # 2. Use each function name only once: can't redo a check because
564 # autoconf caches the results of the last check and won't redo it.
565 # 3. Use -lnsl and -lsocket only if they supply procedures that
566 # aren't already present in the normal libraries. This is because
567 # IRIX 5.2 has libraries, but they aren't needed and they're
568 # bogus: they goof up name resolution if used.
569 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
570 # To get around this problem, check for both libraries together
571 # if -lsocket doesn't work by itself.
572 #--------------------------------------------------------------------
574 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
577 unset ac_cv_func_connect
578 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
579 if test "$gcj_checkSocket" = 1; then
580 unset ac_cv_func_connect
581 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
584 if test "$gcj_checkBoth" = 1; then
586 LIBS="$LIBS -lsocket -lnsl"
587 unset ac_cv_func_accept
588 AC_CHECK_FUNC(accept,
590 gcj_cv_lib_sockets="-lsocket -lnsl"])
591 unset ac_cv_func_accept
594 unset ac_cv_func_gethostbyname
596 LIBS="$LIBS $gcj_cv_lib_sockets"
597 AC_CHECK_FUNC(gethostbyname, ,
598 [AC_CHECK_LIB(nsl, main,
599 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
600 unset ac_cv_func_gethostbyname
603 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
605 if test "$with_system_zlib" = yes; then
606 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
609 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
612 # On Solaris, and maybe other architectures, the Boehm collector
614 if test "$GC" = boehm; then
615 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
618 if test -z "${with_multisubdir}"; then
622 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
625 if test -x "${builddotdot}/../../gcc/gcj"; then
626 dir="`cd ${builddotdot}/../../gcc && pwd`"
627 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
635 # Create it, so that compile/link tests don't fail
636 test -f libgcj.spec || touch libgcj.spec
640 dnl FIXME: cross compilation
641 AC_CHECK_SIZEOF(void *)
646 if test "x$ZLIBSPEC" = "x-lzgcj"; then
647 # We include the path to the zlib build directory.
648 # See Makefile.am to understand why.
649 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
650 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
651 ZINCS='-I$(top_srcdir)/../zlib'
660 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
661 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
662 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
663 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
664 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
665 AC_SUBST(GCC_UNWIND_INCLUDE)
667 # Determine gcj version number.
669 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
671 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
674 AC_SUBST(AM_RUNTESTFLAGS)
676 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
677 AC_MSG_CHECKING([for g++ -ffloat-store bug])
678 save_CFLAGS="$CFLAGS"
679 CFLAGS="-x c++ -O2 -ffloat-store"
680 AC_TRY_COMPILE([#include <math.h>], ,
682 [AC_DEFINE(__NO_MATH_INLINES)
684 CFLAGS="$save_CFLAGS"
686 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
687 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
688 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
689 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 pwd.h sys/config.h inttypes.h stdint.h langinfo.h locale.h)
690 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
691 dnl for now. If you change this, you also must update natFile.cc.
692 AC_CHECK_HEADERS(dirent.h)
694 AC_CHECK_TYPE([ssize_t], [int])
696 AC_MSG_CHECKING([for in_addr_t])
697 AC_TRY_COMPILE([#include <sys/types.h>
702 #if HAVE_NETINET_IN_H
703 #include <netinet/in.h>
704 #endif], [in_addr_t foo;],
705 [AC_DEFINE([HAVE_IN_ADDR_T])
709 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
710 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
711 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
715 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
716 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
717 [AC_DEFINE(HAVE_INET6)
721 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
722 AC_TRY_COMPILE([#include <sys/types.h>
723 #include <sys/socket.h>], [socklen_t x = 5;],
724 [AC_DEFINE(HAVE_SOCKLEN_T)
728 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
729 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
730 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
733 AC_MSG_CHECKING([for global timezone variable])
734 dnl FIXME: we don't want a link check here because that won't work
735 dnl when cross-compiling. So instead we make an assumption that
736 dnl the header file will mention timezone if it exists.
737 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
738 [AC_DEFINE(HAVE_TIMEZONE)
740 [AC_MSG_RESULT(no)])])
744 AC_CHECK_PROGS(PERL, perl, false)
750 SIGNAL_HANDLER=include/i386-signal.h
753 SIGNAL_HANDLER=include/sparc-signal.h
756 SYSDEP_SOURCES=sysdep/ia64.c
757 test -d sysdep || mkdir sysdep
760 SIGNAL_HANDLER=include/default-signal.h
764 # If we're using sjlj exceptions, forget what we just learned.
765 if test "$libgcj_sjlj" = yes; then
766 SIGNAL_HANDLER=include/default-signal.h
769 AC_SUBST(SYSDEP_SOURCES)
771 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
773 if test "${multilib}" = "yes"; then
774 multilib_arg="--enable-multilib"
781 dnl Determine which AWT peer libraries to build
782 AC_ARG_ENABLE(java-awt,
783 [ --enable-java-awt list of AWT peer implementations to be built])
785 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
789 for peer in $peerlibs ; do
792 if [test "$no_x" = yes]; then
793 echo "*** xlib peers requested but no X library available" 1>&2
803 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
808 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
809 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
815 # We get this from the environment.
818 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
819 [if test -n "$CONFIG_FILES"; then
820 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
823 # Make subdirectories and `.d' files. Look in both srcdir and
824 # builddir for the .java files.
827 ( (cd $srcdir && find . -name '*.java' -print) ;
828 find . -name '*.java' -print) | \
829 fgrep -v testsuite | \
830 sed -e 's/\.java/.d/' | \
832 echo "include $f" >> deps.mk
835 d=`echo $f | sed -e 's,/[^/]*$,,'`
837 $srcdir/../mkinstalldirs $d
845 with_multisubdir=${with_multisubdir}
846 ac_configure_args="${multilib_arg} ${ac_configure_args}"
847 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
848 libgcj_basedir=${libgcj_basedir}