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.
9 dnl We use these options to decide which functions to include.
10 AC_ARG_WITH(target-subdir,
11 [ --with-target-subdir=SUBDIR
12 configuring in a subdirectory])
13 AC_ARG_WITH(cross-host,
14 [ --with-cross-host=HOST configuring with a cross compiler])
18 AM_CONFIG_HEADER(include/config.h)
20 # Only use libltdl for native builds.
21 if test -z "${with_cross_host}"; then
22 AC_LIBLTDL_CONVENIENCE
26 # Sigh. Libtool's macro doesn't do the right thing.
27 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
33 AC_CONFIG_SUBDIRS($DIRLTDL)
35 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
42 dnl The -no-testsuite modules omit the test subdir.
43 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
45 dnl See whether the user prefers size or speed for Character.
46 dnl The default is size.
47 AC_ARG_ENABLE(fast-character,
48 [ --enable-fast-character prefer speed over size for Character],
50 , AC_DEFINE(COMPACT_CHARACTER))
52 dnl Should the runtime set system properties by examining the
53 dnl environment variable GCJ_PROPERTIES?
54 AC_ARG_ENABLE(getenv-properties,
55 [ --disable-getenv-properties
56 don't set system properties from GCJ_PROPERTIES])
58 dnl Whether GCJ_PROPERTIES is used depends on the target.
59 if test -n "$enable_getenv_properties"; then
60 enable_getenv_properties=${enable_getenv_properties_default-yes}
62 if test "$enable_getenv_properties" = no; then
63 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
66 dnl See if the user has requested runtime debugging.
67 AC_ARG_ENABLE(libgcj-debug,
68 [ --enable-libgcj-debug enable runtime debugging code],
69 if test "$enable_libgcj_debug" = yes; then
73 dnl See if the user has the interpreter included.
74 AC_ARG_ENABLE(interpreter,
75 [ --enable-interpreter enable interpreter],
76 if test "$enable_interpreter" = yes; then
77 # This can also be set in configure.host.
78 libgcj_interpreter=yes
79 elif test "$enable_interpreter" = no; then
83 if test "$libgcj_interpreter" = yes; then
84 AC_DEFINE(INTERPRETER)
88 dnl See if we should use setjmp/longjmp exceptions
89 AC_ARG_ENABLE(sjlj-exceptions,
90 [ --enable-sjlj-exceptions use setjmp/longjmp exceptions],
91 if test "$enable_sjlj_exceptions" = yes; then
92 # This can be set in configure.host.
96 if test "$libgcj_sjlj" = yes; then
97 EXCEPTIONSPEC="-fsjlj-exceptions"
98 AC_DEFINE(SJLJ_EXCEPTIONS)
102 dnl Work around libgcc design flaw.
103 if test "$ac_cv_prog_gnu_ld" = yes; then
104 FORCELIBGCCSPEC="-u __rethrow -u __frame_state_for -lgcc"
107 AC_MSG_CHECKING([for data_start])
110 AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
111 [AC_MSG_RESULT(found it)],
112 [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
114 AC_MSG_RESULT(missing)])
115 AC_SUBST(LIBDATASTARTSPEC)
117 dnl See if the user wants to disable java.net. This is the mildly
118 dnl ugly way that we admit that target-side configuration sucks.
119 AC_ARG_ENABLE(java-net,
120 [ --disable-java-net disable java.net])
122 dnl Whether java.net is built by default can depend on the target.
123 if test -n "$enable_java_net"; then
124 enable_java_net=${enable_java_net_default-yes}
126 if test "$enable_java_net" = no; then
127 AC_DEFINE(DISABLE_JAVA_NET)
130 dnl See if the user wants to disable JVMPI support.
132 [ --disable-jvmpi disable JVMPI support])
134 if test "$enable_jvmpi" != no; then
135 AC_DEFINE(ENABLE_JVMPI)
138 dnl If the target is an eCos system, use the appropriate eCos
140 dnl FIXME: this should not be a local option but a global target
141 dnl system; at present there is no eCos target.
144 [ --with-ecos enable runtime eCos target support],
145 TARGET_ECOS="$with_ecos"
148 case "$TARGET_ECOS" in
150 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
151 PROCESS=${PROCESS-Posix}
154 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
160 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
161 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
162 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
163 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
166 dnl These may not be defined in a non-ANS conformant embedded system.
167 dnl FIXME: Should these case a runtime exception in that case?
168 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
169 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
171 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
172 dnl to create the link will fail.
173 test -d java || mkdir java
174 test -d java/io || mkdir java/io
175 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
177 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
178 test -d java/lang || mkdir java/lang
179 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
180 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
185 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
186 AC_SUBST(LIBGCJTESTSPEC)
188 AC_ARG_WITH(system-zlib,
189 [ --with-system-zlib use installed libz])
193 AC_SUBST(ZLIBTESTSPEC)
195 dnl FIXME: this should be _libs on some hosts.
198 dnl Allow the GC to be disabled. Can be useful when debugging.
199 AC_MSG_CHECKING([for garbage collector to use])
200 AC_ARG_ENABLE(java-gc,
201 changequote(<<,>>)dnl
202 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
216 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
217 # We include the path to the boehm-gc build directory.
218 # See Makefile.am to understand why.
219 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
220 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
222 JC1GCSPEC='-fuse-boehm-gc'
223 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
224 dnl We also want to pick up some cpp flags required when including
225 dnl boehm-config.h. Yuck.
226 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
229 dnl The POSIX thread support needs to know this.
230 AC_DEFINE(HAVE_BOEHM_GC)
238 AC_MSG_ERROR(unrecognized collector \"$GC\")
248 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
251 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
252 dnl In particular both packages must make the same decision about which
253 dnl thread package to use.
254 AC_MSG_CHECKING([for threads package to use])
255 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
257 dnl FIXME: figure out native threads to use here.
260 if test "$THREADS" = yes; then
266 # FIXME: this isn't correct in all cases.
273 # FIXME: for now, choose POSIX, because we implement that.
274 # Later, choose irix threads.
278 # FIXME: for now, choose POSIX, because we implement that.
279 # Later, choose solaris threads.
297 AC_DEFINE(LINUX_THREADS)
301 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
302 AC_MSG_ERROR(thread package $THREADS not yet supported)
305 AC_MSG_ERROR($THREADS is an unknown thread package)
308 AC_MSG_RESULT($THREADS)
320 THREADOBJS=posix-threads.lo
321 THREADH=posix-threads.h
322 # MIT pthreads doesn't seem to have the mutexattr functions.
323 # But for now we don't check for it. We just assume you aren't
324 # using MIT pthreads.
325 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
327 # If we're using the Boehm GC, then we happen to know that it
328 # defines _REENTRANT, so we don't bother. Eww.
329 if test "$GC" != boehm; then
330 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
332 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
336 THREADOBJS=no-threads.lo
340 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
347 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
353 # Find eh-common.h and support headers. If we're in the tree with
354 # gcc, then look there. Otherwise look in compat-include. If all else
355 # fails, just hope the user has set things up somehow.
356 if test -r $srcdir/../gcc/eh-common.h; then
357 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
359 if test -d $srcdir/../compat-include; then
360 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
366 if test -n "${with_cross_host}"; then
367 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
368 # may not work correctly, because the compiler may not be able to
371 # We assume newlib. This lets us hard-code the functions we know
373 AC_DEFINE(HAVE_MEMMOVE)
374 AC_DEFINE(HAVE_MEMCPY)
375 AC_DEFINE(HAVE_STRERROR)
376 AC_DEFINE(HAVE_GMTIME_R)
377 AC_DEFINE(HAVE_LOCALTIME_R)
378 dnl This is only for POSIX threads.
379 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
380 dnl We also assume we are using gcc, which provides alloca.
381 AC_DEFINE(HAVE_ALLOCA)
383 dnl Assume we do not have getuid and friends.
387 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
389 # If Canadian cross, then don't pick up tools from the build
391 if test "$build" != "$with_cross_host"; then
394 GCJ="${target_alias}-gcj"
400 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
401 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
402 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
403 AC_CHECK_FUNCS(iconv nl_langinfo)
404 AC_CHECK_FUNCS(inet_aton inet_addr, break)
405 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
406 AC_CHECK_FUNCS(backtrace fork execvp pipe)
407 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
408 AC_CHECK_LIB(dl, dladdr, [
409 AC_DEFINE(HAVE_DLADDR)])
410 AC_CHECK_FILES(/proc/self/exe, [
411 AC_DEFINE(HAVE_PROC_SELF_EXE)])
413 AC_CHECK_FUNCS(gethostbyname_r, [
414 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
415 # There are two different kinds of gethostbyname_r.
416 # We look for the one that returns `int'.
417 # Hopefully this check is robust enough.
418 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
419 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
422 *" -D_REENTRANT "*) ;;
424 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
425 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
426 [libjava_cv_gethostbyname_r_needs_reentrant],
429 AC_TRY_COMPILE([#include <netdb.h>],
430 [gethostbyname_r("", 0, 0);],
431 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
432 CPPFLAGS_SAVE="$CPPFLAGS"
433 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
434 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
435 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
436 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
437 CPPFLAGS="$CPPFLAGS_SAVE"
441 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
442 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
447 AC_CACHE_CHECK([for struct hostent_data],
448 [libjava_cv_struct_hostent_data], [dnl
450 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
451 # define _REENTRANT 1
453 #include <netdb.h>], [struct hostent_data data;],
454 [libjava_cv_struct_hostent_data=yes],
455 [libjava_cv_struct_hostent_data=no])])
456 if test "x$libjava_cv_struct_hostent_data" = xyes; then
457 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
458 [Define if struct hostent_data is defined in netdb.h])
462 AC_CHECK_FUNCS(gethostbyaddr_r, [
463 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
464 # There are two different kinds of gethostbyaddr_r.
465 # We look for the one that returns `int'.
466 # Hopefully this check is robust enough.
467 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
468 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
470 AC_CHECK_FUNCS(gethostname, [
471 AC_DEFINE(HAVE_GETHOSTNAME)
472 AC_EGREP_HEADER(gethostname, unistd.h, [
473 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
475 # Look for these functions in the thread library, but only bother
476 # if using POSIX threads.
477 if test "$THREADS" = posix; then
479 LIBS="$LIBS $THREADLIBS"
480 # Some POSIX thread systems don't have pthread_mutexattr_settype.
482 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
484 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
485 # Solaris 7 the name librt is preferred.
486 AC_CHECK_FUNCS(sched_yield, , [
487 AC_CHECK_LIB(rt, sched_yield, [
488 AC_DEFINE(HAVE_SCHED_YIELD)
489 THREADLIBS="$THREADLIBS -lrt"
490 THREADSPEC="$THREADSPEC -lrt"], [
491 AC_CHECK_LIB(posix4, sched_yield, [
492 AC_DEFINE(HAVE_SCHED_YIELD)
493 THREADLIBS="$THREADLIBS -lposix4"
494 THREADSPEC="$THREADSPEC -lposix4"])])])
497 # We can save a little space at runtime if the mutex has m_count
498 # or __m_count. This is a nice hack for Linux.
499 AC_TRY_COMPILE([#include <pthread.h>], [
500 extern pthread_mutex_t *mutex; int q = mutex->m_count;
501 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
502 AC_TRY_COMPILE([#include <pthread.h>], [
503 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
504 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
507 # We require a way to get the time.
509 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
510 if test "$time_found" = no; then
511 AC_MSG_ERROR([no function found to get the time])
514 AC_CHECK_FUNCS(memmove)
518 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
519 if test "$memcpy_found" = no; then
520 AC_MSG_ERROR([memcpy is required])
523 # Some library-finding code we stole from Tcl.
524 #--------------------------------------------------------------------
525 # Check for the existence of the -lsocket and -lnsl libraries.
526 # The order here is important, so that they end up in the right
527 # order in the command line generated by make. Here are some
528 # special considerations:
529 # 1. Use "connect" and "accept" to check for -lsocket, and
530 # "gethostbyname" to check for -lnsl.
531 # 2. Use each function name only once: can't redo a check because
532 # autoconf caches the results of the last check and won't redo it.
533 # 3. Use -lnsl and -lsocket only if they supply procedures that
534 # aren't already present in the normal libraries. This is because
535 # IRIX 5.2 has libraries, but they aren't needed and they're
536 # bogus: they goof up name resolution if used.
537 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
538 # To get around this problem, check for both libraries together
539 # if -lsocket doesn't work by itself.
540 #--------------------------------------------------------------------
542 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
545 unset ac_cv_func_connect
546 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
547 if test "$gcj_checkSocket" = 1; then
548 unset ac_cv_func_connect
549 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
552 if test "$gcj_checkBoth" = 1; then
554 LIBS="$LIBS -lsocket -lnsl"
555 unset ac_cv_func_accept
556 AC_CHECK_FUNC(accept,
558 gcj_cv_lib_sockets="-lsocket -lnsl"])
559 unset ac_cv_func_accept
562 unset ac_cv_func_gethostbyname
564 LIBS="$LIBS $gcj_cv_lib_sockets"
565 AC_CHECK_FUNC(gethostbyname, ,
566 [AC_CHECK_LIB(nsl, main,
567 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
568 unset ac_cv_func_gethostbyname
571 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
573 if test "$with_system_zlib" = yes; then
574 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
577 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
580 # On Solaris, and maybe other architectures, the Boehm collector
582 if test "$GC" = boehm; then
583 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
586 if test -z "${with_multisubdir}"; then
590 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
593 if test -x "${builddotdot}/../../gcc/gcj"; then
594 dir="`cd ${builddotdot}/../../gcc && pwd`"
595 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
603 # Create it, so that compile/link tests don't fail
604 test -f libgcj.spec || touch libgcj.spec
609 dnl FIXME: cross compilation
610 AC_CHECK_SIZEOF(void *)
615 if test "x$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}