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.
68 AC_ARG_ENABLE(libgcj-debug,
69 [ --enable-libgcj-debug enable runtime debugging code],
70 if test "$enable_libgcj_debug" = yes; then
74 dnl See if the user has the interpreter included.
75 AC_ARG_ENABLE(interpreter,
76 [ --enable-interpreter enable interpreter],
77 if test "$enable_interpreter" = yes; then
78 # This can also be set in configure.host.
79 libgcj_interpreter=yes
80 elif test "$enable_interpreter" = no; then
84 if test "$libgcj_interpreter" = yes; then
85 AC_DEFINE(INTERPRETER)
89 dnl See if we should use setjmp/longjmp exceptions
90 AC_ARG_ENABLE(sjlj-exceptions,
91 [ --enable-sjlj-exceptions use setjmp/longjmp exceptions],
92 if test "$enable_sjlj_exceptions" = yes; then
93 # This can be set in configure.host.
97 if test "$libgcj_sjlj" = yes; then
98 EXCEPTIONSPEC="-fsjlj-exceptions"
99 AC_DEFINE(SJLJ_EXCEPTIONS)
103 dnl Work around libgcc design flaw.
104 if test "$ac_cv_prog_gnu_ld" = yes; then
105 FORCELIBGCCSPEC="-u __rethrow -u __frame_state_for -lgcc"
108 AC_MSG_CHECKING([for data_start])
111 AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
112 [AC_MSG_RESULT(found it)],
113 [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
115 AC_MSG_RESULT(missing)])
116 AC_SUBST(LIBDATASTARTSPEC)
118 dnl See if the user wants to disable java.net. This is the mildly
119 dnl ugly way that we admit that target-side configuration sucks.
120 AC_ARG_ENABLE(java-net,
121 [ --disable-java-net disable java.net])
123 dnl Whether java.net is built by default can depend on the target.
124 if test -n "$enable_java_net"; then
125 enable_java_net=${enable_java_net_default-yes}
127 if test "$enable_java_net" = no; then
128 AC_DEFINE(DISABLE_JAVA_NET)
131 dnl See if the user wants to disable JVMPI support.
133 [ --disable-jvmpi disable JVMPI support])
135 if test "$enable_jvmpi" != no; then
136 AC_DEFINE(ENABLE_JVMPI)
139 dnl If the target is an eCos system, use the appropriate eCos
141 dnl FIXME: this should not be a local option but a global target
142 dnl system; at present there is no eCos target.
145 [ --with-ecos enable runtime eCos target support],
146 TARGET_ECOS="$with_ecos"
149 case "$TARGET_ECOS" in
151 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
152 PROCESS=${PROCESS-Posix}
155 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
161 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
162 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
163 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
164 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
167 dnl These may not be defined in a non-ANS conformant embedded system.
168 dnl FIXME: Should these case a runtime exception in that case?
169 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
170 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
172 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
173 dnl to create the link will fail.
174 test -d java || mkdir java
175 test -d java/io || mkdir java/io
176 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
178 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
179 test -d java/lang || mkdir java/lang
180 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
181 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
186 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
187 AC_SUBST(LIBGCJTESTSPEC)
189 AC_ARG_WITH(system-zlib,
190 [ --with-system-zlib use installed libz])
194 AC_SUBST(ZLIBTESTSPEC)
196 dnl FIXME: this should be _libs on some hosts.
199 dnl Allow the GC to be disabled. Can be useful when debugging.
200 AC_MSG_CHECKING([for garbage collector to use])
201 AC_ARG_ENABLE(java-gc,
202 changequote(<<,>>)dnl
203 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
217 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
218 # We include the path to the boehm-gc build directory.
219 # See Makefile.am to understand why.
220 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
221 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
223 JC1GCSPEC='-fuse-boehm-gc'
224 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
225 dnl We also want to pick up some cpp flags required when including
226 dnl boehm-config.h. Yuck.
227 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
230 dnl The POSIX thread support needs to know this.
231 AC_DEFINE(HAVE_BOEHM_GC)
239 AC_MSG_ERROR(unrecognized collector \"$GC\")
249 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
252 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
253 dnl In particular both packages must make the same decision about which
254 dnl thread package to use.
255 AC_MSG_CHECKING([for threads package to use])
256 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
258 dnl FIXME: figure out native threads to use here.
261 if test "$THREADS" = yes; then
267 # FIXME: this isn't correct in all cases.
274 # FIXME: for now, choose POSIX, because we implement that.
275 # Later, choose irix threads.
279 # FIXME: for now, choose POSIX, because we implement that.
280 # Later, choose solaris threads.
298 AC_DEFINE(LINUX_THREADS)
302 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
303 AC_MSG_ERROR(thread package $THREADS not yet supported)
306 AC_MSG_ERROR($THREADS is an unknown thread package)
309 AC_MSG_RESULT($THREADS)
321 THREADOBJS=posix-threads.lo
322 THREADH=posix-threads.h
323 # MIT pthreads doesn't seem to have the mutexattr functions.
324 # But for now we don't check for it. We just assume you aren't
325 # using MIT pthreads.
326 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
328 # If we're using the Boehm GC, then we happen to know that it
329 # defines _REENTRANT, so we don't bother. Eww.
330 if test "$GC" != boehm; then
331 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
333 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
337 THREADOBJS=no-threads.lo
341 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
348 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
354 # Find eh-common.h and support headers. If we're in the tree with
355 # gcc, then look there. Otherwise look in compat-include. If all else
356 # fails, just hope the user has set things up somehow.
357 if test -r $srcdir/../gcc/eh-common.h; then
358 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
360 if test -d $srcdir/../compat-include; then
361 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
367 if test -n "${with_cross_host}"; then
368 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
369 # may not work correctly, because the compiler may not be able to
372 # We assume newlib. This lets us hard-code the functions we know
374 AC_DEFINE(HAVE_MEMMOVE)
375 AC_DEFINE(HAVE_MEMCPY)
376 AC_DEFINE(HAVE_STRERROR)
377 AC_DEFINE(HAVE_GMTIME_R)
378 AC_DEFINE(HAVE_LOCALTIME_R)
379 dnl This is only for POSIX threads.
380 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
381 dnl We also assume we are using gcc, which provides alloca.
382 AC_DEFINE(HAVE_ALLOCA)
384 dnl Assume we do not have getuid and friends.
388 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
390 # If Canadian cross, then don't pick up tools from the build
392 if test "$build" != "$with_cross_host"; then
395 GCJ="${target_alias}-gcj"
401 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
402 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
403 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
404 AC_CHECK_FUNCS(iconv nl_langinfo)
405 AC_CHECK_FUNCS(inet_aton inet_addr, break)
406 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
407 AC_CHECK_FUNCS(backtrace fork execvp pipe)
408 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
409 AC_CHECK_LIB(dl, dladdr, [
410 AC_DEFINE(HAVE_DLADDR)])
411 AC_CHECK_FILES(/proc/self/exe, [
412 AC_DEFINE(HAVE_PROC_SELF_EXE)])
414 AC_CHECK_FUNCS(gethostbyname_r, [
415 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
416 # There are two different kinds of gethostbyname_r.
417 # We look for the one that returns `int'.
418 # Hopefully this check is robust enough.
419 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
420 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
423 *" -D_REENTRANT "*) ;;
425 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
426 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
427 [libjava_cv_gethostbyname_r_needs_reentrant],
430 AC_TRY_COMPILE([#include <netdb.h>],
431 [gethostbyname_r("", 0, 0);],
432 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
433 CPPFLAGS_SAVE="$CPPFLAGS"
434 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
435 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
436 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
437 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
438 CPPFLAGS="$CPPFLAGS_SAVE"
442 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
443 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
448 AC_CACHE_CHECK([for struct hostent_data],
449 [libjava_cv_struct_hostent_data], [dnl
451 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
452 # define _REENTRANT 1
454 #include <netdb.h>], [struct hostent_data data;],
455 [libjava_cv_struct_hostent_data=yes],
456 [libjava_cv_struct_hostent_data=no])])
457 if test "x$libjava_cv_struct_hostent_data" = xyes; then
458 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
459 [Define if struct hostent_data is defined in netdb.h])
463 AC_CHECK_FUNCS(gethostbyaddr_r, [
464 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
465 # There are two different kinds of gethostbyaddr_r.
466 # We look for the one that returns `int'.
467 # Hopefully this check is robust enough.
468 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
469 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
471 AC_CHECK_FUNCS(gethostname, [
472 AC_DEFINE(HAVE_GETHOSTNAME)
473 AC_EGREP_HEADER(gethostname, unistd.h, [
474 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
476 # Look for these functions in the thread library, but only bother
477 # if using POSIX threads.
478 if test "$THREADS" = posix; then
480 LIBS="$LIBS $THREADLIBS"
481 # Some POSIX thread systems don't have pthread_mutexattr_settype.
483 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
485 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
486 # Solaris 7 the name librt is preferred.
487 AC_CHECK_FUNCS(sched_yield, , [
488 AC_CHECK_LIB(rt, sched_yield, [
489 AC_DEFINE(HAVE_SCHED_YIELD)
490 THREADLIBS="$THREADLIBS -lrt"
491 THREADSPEC="$THREADSPEC -lrt"], [
492 AC_CHECK_LIB(posix4, sched_yield, [
493 AC_DEFINE(HAVE_SCHED_YIELD)
494 THREADLIBS="$THREADLIBS -lposix4"
495 THREADSPEC="$THREADSPEC -lposix4"])])])
498 # We can save a little space at runtime if the mutex has m_count
499 # or __m_count. This is a nice hack for Linux.
500 AC_TRY_COMPILE([#include <pthread.h>], [
501 extern pthread_mutex_t *mutex; int q = mutex->m_count;
502 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
503 AC_TRY_COMPILE([#include <pthread.h>], [
504 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
505 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
508 # We require a way to get the time.
510 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
511 if test "$time_found" = no; then
512 AC_MSG_ERROR([no function found to get the time])
515 AC_CHECK_FUNCS(memmove)
519 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
520 if test "$memcpy_found" = no; then
521 AC_MSG_ERROR([memcpy is required])
524 # Some library-finding code we stole from Tcl.
525 #--------------------------------------------------------------------
526 # Check for the existence of the -lsocket and -lnsl libraries.
527 # The order here is important, so that they end up in the right
528 # order in the command line generated by make. Here are some
529 # special considerations:
530 # 1. Use "connect" and "accept" to check for -lsocket, and
531 # "gethostbyname" to check for -lnsl.
532 # 2. Use each function name only once: can't redo a check because
533 # autoconf caches the results of the last check and won't redo it.
534 # 3. Use -lnsl and -lsocket only if they supply procedures that
535 # aren't already present in the normal libraries. This is because
536 # IRIX 5.2 has libraries, but they aren't needed and they're
537 # bogus: they goof up name resolution if used.
538 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
539 # To get around this problem, check for both libraries together
540 # if -lsocket doesn't work by itself.
541 #--------------------------------------------------------------------
543 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
546 unset ac_cv_func_connect
547 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
548 if test "$gcj_checkSocket" = 1; then
549 unset ac_cv_func_connect
550 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
553 if test "$gcj_checkBoth" = 1; then
555 LIBS="$LIBS -lsocket -lnsl"
556 unset ac_cv_func_accept
557 AC_CHECK_FUNC(accept,
559 gcj_cv_lib_sockets="-lsocket -lnsl"])
560 unset ac_cv_func_accept
563 unset ac_cv_func_gethostbyname
565 LIBS="$LIBS $gcj_cv_lib_sockets"
566 AC_CHECK_FUNC(gethostbyname, ,
567 [AC_CHECK_LIB(nsl, main,
568 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
569 unset ac_cv_func_gethostbyname
572 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
574 if test "$with_system_zlib" = yes; then
575 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
578 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
581 # On Solaris, and maybe other architectures, the Boehm collector
583 if test "$GC" = boehm; then
584 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
587 if test -z "${with_multisubdir}"; then
591 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
594 if test -x "${builddotdot}/../../gcc/gcj"; then
595 dir="`cd ${builddotdot}/../../gcc && pwd`"
596 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
604 # Create it, so that compile/link tests don't fail
605 test -f libgcj.spec || touch libgcj.spec
609 dnl FIXME: cross compilation
610 AC_CHECK_SIZEOF(void *)
615 if test "x$ZLIBSPEC" = "x-lzgcj"; then
616 # We include the path to the zlib build directory.
617 # See Makefile.am to understand why.
618 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
619 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
620 ZINCS='-I$(top_srcdir)/../zlib'
628 AC_SUBST(EXCEPTIONSPEC)
629 AC_SUBST(FORCELIBGCCSPEC)
631 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
632 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
633 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
634 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
635 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
636 AC_SUBST(EH_COMMON_INCLUDE)
638 # Determine gcj version number.
640 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
642 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
644 # See if gcj supports -fuse-divide-subroutine. gcc 2.95 does not, and
645 # we want to continue to support that version.
646 AC_MSG_CHECKING([whether gcj supports -fuse-divide-subroutine])
647 cat > conftest.java << 'END'
648 public class conftest { }
651 $GCJ -classpath $srcdir -fuse-divide-subroutine -fsyntax-only \
652 conftest.java > /dev/null 2>&1 \
655 if test "$use_fuse" = no; then
658 AC_MSG_RESULT($use_fuse)
660 AC_SUBST(AM_RUNTESTFLAGS)
662 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
663 AC_MSG_CHECKING([for g++ -ffloat-store bug])
664 save_CFLAGS="$CFLAGS"
665 CFLAGS="-x c++ -O2 -ffloat-store"
666 AC_TRY_COMPILE([#include <math.h>], ,
668 [AC_DEFINE(__NO_MATH_INLINES)
670 CFLAGS="$save_CFLAGS"
672 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
673 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
674 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
675 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)
676 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
677 dnl for now. If you change this, you also must update natFile.cc.
678 AC_CHECK_HEADERS(dirent.h)
680 AC_CHECK_TYPE([ssize_t], [int])
682 AC_MSG_CHECKING([for in_addr_t])
683 AC_TRY_COMPILE([#include <sys/types.h>
688 #if HAVE_NETINET_IN_H
689 #include <netinet/in.h>
690 #endif], [in_addr_t foo;],
691 [AC_DEFINE([HAVE_IN_ADDR_T])
695 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
696 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
697 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
701 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
702 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
703 [AC_DEFINE(HAVE_INET6)
707 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
708 AC_TRY_COMPILE([#include <sys/types.h>
709 #include <sys/socket.h>], [socklen_t x = 5;],
710 [AC_DEFINE(HAVE_SOCKLEN_T)
714 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
715 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
716 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
719 AC_MSG_CHECKING([for global timezone variable])
720 dnl FIXME: we don't want a link check here because that won't work
721 dnl when cross-compiling. So instead we make an assumption that
722 dnl the header file will mention timezone if it exists.
723 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
724 [AC_DEFINE(HAVE_TIMEZONE)
726 [AC_MSG_RESULT(no)])])
730 AC_CHECK_PROGS(PERL, perl, false)
736 SIGNAL_HANDLER=include/i386-signal.h
739 SIGNAL_HANDLER=include/sparc-signal.h
742 SYSDEP_SOURCES=sysdep/ia64.c
743 test -d sysdep || mkdir sysdep
746 SIGNAL_HANDLER=include/default-signal.h
750 # If we're using sjlj exceptions, forget what we just learned.
751 if test "$libgcj_sjlj" = yes; then
752 SIGNAL_HANDLER=include/default-signal.h
755 AC_SUBST(SYSDEP_SOURCES)
757 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
759 if test "${multilib}" = "yes"; then
760 multilib_arg="--enable-multilib"
767 AM_CONDITIONAL(NO_X, test "$no_x" = yes)
773 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gcj/Makefile include/Makefile testsuite/Makefile,
774 [if test -n "$CONFIG_FILES"; then
775 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
778 # Make subdirectories and `.d' files. Look in both srcdir and
779 # builddir for the .java files.
782 ( (cd $srcdir && find . -name '*.java' -print) ;
783 find . -name '*.java' -print) | \
784 fgrep -v testsuite | \
785 sed -e 's/\.java/.d/' | \
787 echo "include $f" >> deps.mk
790 d=`echo $f | sed -e 's,/[^/]*$,,'`
792 $srcdir/../mkinstalldirs $d
800 with_multisubdir=${with_multisubdir}
801 ac_configure_args="${multilib_arg} ${ac_configure_args}"
802 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
803 libgcj_basedir=${libgcj_basedir}