1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR
9 configuring in a subdirectory])
10 AC_ARG_WITH(cross-host,
11 [ --with-cross-host=HOST configuring with a cross compiler])
15 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
17 # Only use libltdl for native builds.
18 if test -z "${with_cross_host}"; then
19 AC_LIBLTDL_CONVENIENCE
23 # Sigh. Libtool's macro doesn't do the right thing.
24 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
25 # FIXME: this is a hack.
26 sub_auxdir="`cd $ac_aux_dir && pwd`"
27 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
33 AC_CONFIG_SUBDIRS($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 $srcdir/testsuite)
45 dnl See whether the user prefers size or speed for Character.
46 dnl The default is size.
47 AC_ARG_ENABLE(fast-character,
48 [ --enable-fast-character prefer speed over size for Character],
50 , AC_DEFINE(COMPACT_CHARACTER))
52 dnl Should the runtime set system properties by examining the
53 dnl environment variable GCJ_PROPERTIES?
54 AC_ARG_ENABLE(getenv-properties,
55 [ --disable-getenv-properties
56 don't set system properties from GCJ_PROPERTIES])
58 dnl Whether GCJ_PROPERTIES is used depends on the target.
59 if test -z "$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)
67 dnl Should we use hashtable-based synchronization?
68 dnl Currently works only for Linux X86/ia64
69 dnl Typically faster and more space-efficient
70 AC_ARG_ENABLE(hash-synchronization,
71 [ --enable-hash-synchronization
72 Use global hash table for monitor locks])
74 if test -z "$enable_hash_synchronization"; then
75 enable_hash_synchronization=$enable_hash_synchronization_default
79 dnl See if the user has requested runtime debugging.
82 AC_ARG_ENABLE(libgcj-debug,
83 [ --enable-libgcj-debug enable runtime debugging code],
84 if test "$enable_libgcj_debug" = yes; then
89 dnl See if the user has the interpreter included.
90 AC_ARG_ENABLE(interpreter,
91 [ --enable-interpreter enable interpreter],
92 if test "$enable_interpreter" = yes; then
93 # This can also be set in configure.host.
94 libgcj_interpreter=yes
95 elif test "$enable_interpreter" = no; then
99 if test "$libgcj_interpreter" = yes; then
100 AC_DEFINE(INTERPRETER)
103 AC_MSG_CHECKING([for exception model to use])
106 AC_ARG_ENABLE(sjlj-exceptions,
107 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
109 [dnl Botheration. Now we've got to detect the exception model.
110 dnl Link tests against libgcc.a are problematic since -- at least
111 dnl as of this writing -- we've not been given proper -L bits for
112 dnl single-tree newlib and libgloss.
114 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
115 dnl conftest files before we got a change to grep them first.
116 cat > conftest.$ac_ext << EOF
117 [#]line __oline__ "configure"
126 old_CXXFLAGS="$CXXFLAGS"
128 if AC_TRY_EVAL(ac_compile); then
129 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
130 enable_sjlj_exceptions=yes
131 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
132 enable_sjlj_exceptions=no
135 CXXFLAGS="$old_CXXFLAGS"
137 if test x$enable_sjlj_exceptions = xyes; then
138 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
139 [Define if the compiler is configured for setjmp/longjmp exceptions.])
140 ac_exception_model_name=sjlj
141 elif test x$enable_sjlj_exceptions = xno; then
142 ac_exception_model_name="call frame"
144 AC_MSG_ERROR([unable to detect exception model])
147 AC_MSG_RESULT($ac_exception_model_name)
149 dnl See if the user wants to disable java.net. This is the mildly
150 dnl ugly way that we admit that target-side configuration sucks.
151 AC_ARG_ENABLE(java-net,
152 [ --disable-java-net disable java.net])
154 dnl Whether java.net is built by default can depend on the target.
155 if test -z "$enable_java_net"; then
156 enable_java_net=${enable_java_net_default-yes}
158 if test "$enable_java_net" = no; then
159 AC_DEFINE(DISABLE_JAVA_NET)
162 dnl See if the user wants to configure without libffi. Some
163 dnl architectures don't support it, and default values are set in
166 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
170 if test "$with_libffi" != no; then
171 AC_DEFINE(USE_LIBFFI)
172 LIBFFI=../libffi/libfficonvenience.la
173 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
178 dnl See if the user wants to disable JVMPI support.
180 [ --disable-jvmpi disable JVMPI support])
182 if test "$enable_jvmpi" != no; then
183 AC_DEFINE(ENABLE_JVMPI)
186 dnl If the target is an eCos system, use the appropriate eCos
188 dnl FIXME: this should not be a local option but a global target
189 dnl system; at present there is no eCos target.
192 [ --with-ecos enable runtime eCos target support],
193 TARGET_ECOS="$with_ecos"
196 case "$TARGET_ECOS" in
198 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
199 PROCESS=${PROCESS-Posix}
202 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
208 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
209 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
210 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
211 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
214 dnl These may not be defined in a non-ANS conformant embedded system.
215 dnl FIXME: Should these case a runtime exception in that case?
216 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
217 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
219 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
220 dnl to create the link will fail.
221 test -d java || mkdir java
222 test -d java/io || mkdir java/io
223 test -d gnu || mkdir gnu
224 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
226 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
227 test -d java/lang || mkdir java/lang
228 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
229 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
234 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
235 AC_SUBST(LIBGCJTESTSPEC)
237 AC_ARG_WITH(system-zlib,
238 [ --with-system-zlib use installed libz])
242 AC_SUBST(ZLIBTESTSPEC)
244 dnl FIXME: this should be _libs on some hosts.
247 dnl Allow the GC to be disabled. Can be useful when debugging.
248 AC_MSG_CHECKING([for garbage collector to use])
249 AC_ARG_ENABLE(java-gc,
250 changequote(<<,>>)dnl
251 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
265 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
266 # We include the path to the boehm-gc build directory.
267 # See Makefile.am to understand why.
268 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
269 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
271 JC1GCSPEC='-fuse-boehm-gc'
272 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
273 dnl We also want to pick up some cpp flags required when including
274 dnl boehm-config.h. Yuck.
275 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
278 dnl The POSIX thread support needs to know this.
279 AC_DEFINE(HAVE_BOEHM_GC)
287 AC_MSG_ERROR(unrecognized collector \"$GC\")
297 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
300 AC_MSG_CHECKING([for thread model used by GCC])
301 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
302 AC_MSG_RESULT([$THREADS])
312 AC_DEFINE(LINUX_THREADS)
316 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
317 AC_MSG_ERROR(thread package $THREADS not yet supported)
320 AC_MSG_ERROR($THREADS is an unknown thread package)
334 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
339 # Before FreeBSD 5, it didn't have -lpthread (or any library which
340 # merely adds pthread_* functions) but it does have a -pthread switch
341 # which is required at link-time to select -lc_r *instead* of -lc.
343 # Don't set THREADSPEC here as might be expected since -pthread is
344 # not processed when found within a spec file, it must come from
345 # the command line. For now, the user must provide the -pthread
346 # switch to link code compiled with gcj. In future, consider adding
347 # support for weak references to pthread_* functions ala gthr.h API.
348 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
351 # FreeBSD 5 implements a model much closer to other modern UNIX
352 # which support threads. However, it still does not support
362 THREADOBJS=posix-threads.lo
363 THREADH=posix-threads.h
364 # MIT pthreads doesn't seem to have the mutexattr functions.
365 # But for now we don't check for it. We just assume you aren't
366 # using MIT pthreads.
367 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
369 # If we're using the Boehm GC, then we happen to know that it
370 # defines _REENTRANT, so we don't bother. Eww.
371 if test "$GC" != boehm; then
372 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
374 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
378 THREADOBJS=no-threads.lo
382 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
390 # Hash synchronization is only useful with posix threads right now.
391 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
392 HASH_SYNC_SPEC=-fhash-synchronization
393 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
395 AC_SUBST(HASH_SYNC_SPEC)
398 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
404 # We're in the tree with gcc, and need to include some of its headers.
405 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
407 if test -n "${with_cross_host}"; then
408 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
409 # may not work correctly, because the compiler may not be able to
412 # We assume newlib. This lets us hard-code the functions we know
414 AC_DEFINE(HAVE_MEMMOVE)
415 AC_DEFINE(HAVE_MEMCPY)
416 AC_DEFINE(HAVE_STRERROR)
417 AC_DEFINE(HAVE_GMTIME_R)
418 AC_DEFINE(HAVE_LOCALTIME_R)
419 dnl This is only for POSIX threads.
420 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
421 dnl We also assume we are using gcc, which provides alloca.
422 AC_DEFINE(HAVE_ALLOCA)
424 dnl Assume we do not have getuid and friends.
428 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
430 # If Canadian cross, then don't pick up tools from the build
432 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
435 GCJ="${target_alias}-gcj"
439 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
440 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
441 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
442 AC_CHECK_FUNCS(nl_langinfo setlocale)
443 AC_CHECK_FUNCS(inet_aton inet_addr, break)
444 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
445 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
446 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
447 AC_CHECK_LIB(dl, dladdr, [
448 AC_DEFINE(HAVE_DLADDR)])
449 AC_CHECK_FILES(/proc/self/exe, [
450 AC_DEFINE(HAVE_PROC_SELF_EXE)])
454 AC_CHECK_FUNCS(gethostbyname_r, [
455 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
456 # There are two different kinds of gethostbyname_r.
457 # We look for the one that returns `int'.
458 # Hopefully this check is robust enough.
459 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
460 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
463 *" -D_REENTRANT "*) ;;
465 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
466 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
467 [libjava_cv_gethostbyname_r_needs_reentrant],
470 AC_TRY_COMPILE([#include <netdb.h>],
471 [gethostbyname_r("", 0, 0);],
472 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
473 CPPFLAGS_SAVE="$CPPFLAGS"
474 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
475 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
476 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
477 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
478 CPPFLAGS="$CPPFLAGS_SAVE"
482 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
483 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
488 AC_CACHE_CHECK([for struct hostent_data],
489 [libjava_cv_struct_hostent_data], [dnl
491 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
492 # define _REENTRANT 1
494 #include <netdb.h>], [struct hostent_data data;],
495 [libjava_cv_struct_hostent_data=yes],
496 [libjava_cv_struct_hostent_data=no])])
497 if test "x$libjava_cv_struct_hostent_data" = xyes; then
498 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
499 [Define if struct hostent_data is defined in netdb.h])
503 # FIXME: libjava source code expects to find a prototype for
504 # gethostbyaddr_r in netdb.h. The outer check ensures that
505 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
506 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
507 # linkage check is enough, yet C++ code requires proper prototypes.)
508 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
509 AC_CHECK_FUNCS(gethostbyaddr_r, [
510 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
511 # There are two different kinds of gethostbyaddr_r.
512 # We look for the one that returns `int'.
513 # Hopefully this check is robust enough.
514 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
515 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
517 AC_CHECK_FUNCS(gethostname, [
518 AC_DEFINE(HAVE_GETHOSTNAME)
519 AC_EGREP_HEADER(gethostname, unistd.h, [
520 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
522 # Look for these functions in the thread library, but only bother
523 # if using POSIX threads.
524 if test "$THREADS" = posix; then
526 LIBS="$LIBS $THREADLIBS"
527 # Some POSIX thread systems don't have pthread_mutexattr_settype.
529 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
531 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
532 # Solaris 7 the name librt is preferred.
533 AC_CHECK_FUNCS(sched_yield, , [
534 AC_CHECK_LIB(rt, sched_yield, [
535 AC_DEFINE(HAVE_SCHED_YIELD)
536 THREADLIBS="$THREADLIBS -lrt"
537 THREADSPEC="$THREADSPEC -lrt"], [
538 AC_CHECK_LIB(posix4, sched_yield, [
539 AC_DEFINE(HAVE_SCHED_YIELD)
540 THREADLIBS="$THREADLIBS -lposix4"
541 THREADSPEC="$THREADSPEC -lposix4"])])])
544 # We can save a little space at runtime if the mutex has m_count
545 # or __m_count. This is a nice hack for Linux.
546 AC_TRY_COMPILE([#include <pthread.h>], [
547 extern pthread_mutex_t *mutex; int q = mutex->m_count;
548 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
549 AC_TRY_COMPILE([#include <pthread.h>], [
550 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
551 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
554 # We require a way to get the time.
556 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
557 if test "$time_found" = no; then
558 AC_MSG_ERROR([no function found to get the time])
561 AC_CHECK_FUNCS(memmove)
565 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
566 if test "$memcpy_found" = no; then
567 AC_MSG_ERROR([memcpy is required])
570 AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_DLOPEN)])
572 # Some library-finding code we stole from Tcl.
573 #--------------------------------------------------------------------
574 # Check for the existence of the -lsocket and -lnsl libraries.
575 # The order here is important, so that they end up in the right
576 # order in the command line generated by make. Here are some
577 # special considerations:
578 # 1. Use "connect" and "accept" to check for -lsocket, and
579 # "gethostbyname" to check for -lnsl.
580 # 2. Use each function name only once: can't redo a check because
581 # autoconf caches the results of the last check and won't redo it.
582 # 3. Use -lnsl and -lsocket only if they supply procedures that
583 # aren't already present in the normal libraries. This is because
584 # IRIX 5.2 has libraries, but they aren't needed and they're
585 # bogus: they goof up name resolution if used.
586 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
587 # To get around this problem, check for both libraries together
588 # if -lsocket doesn't work by itself.
589 #--------------------------------------------------------------------
591 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
594 unset ac_cv_func_connect
595 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
596 if test "$gcj_checkSocket" = 1; then
597 unset ac_cv_func_connect
598 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
601 if test "$gcj_checkBoth" = 1; then
603 LIBS="$LIBS -lsocket -lnsl"
604 unset ac_cv_func_accept
605 AC_CHECK_FUNC(accept,
607 gcj_cv_lib_sockets="-lsocket -lnsl"])
608 unset ac_cv_func_accept
611 unset ac_cv_func_gethostbyname
613 LIBS="$LIBS $gcj_cv_lib_sockets"
614 AC_CHECK_FUNC(gethostbyname, ,
615 [AC_CHECK_LIB(nsl, main,
616 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
617 unset ac_cv_func_gethostbyname
620 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
622 if test "$with_system_zlib" = yes; then
623 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
626 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
629 # On Solaris, and maybe other architectures, the Boehm collector
631 if test "$GC" = boehm; then
632 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
635 if test -z "${with_multisubdir}"; then
639 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
642 if test -x "${builddotdot}/../../gcc/gcj"; then
643 dir="`cd ${builddotdot}/../../gcc && pwd`"
644 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
652 # Create it, so that compile/link tests don't fail
653 test -f libgcj.spec || touch libgcj.spec
655 # We must search the source tree for java.lang, since we still don't
656 # have libgcj.jar nor java/lang/*.class
657 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
658 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
660 # Since some classes depend on this one, we need its source available
661 # before we can do any GCJ compilation test :-(
662 if test ! -f gnu/classpath/Configuration.java; then
663 test -d gnu || mkdir gnu
664 test -d gnu/classpath || mkdir gnu/classpath
665 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
666 < $srcdir/gnu/classpath/Configuration.java.in \
667 > gnu/classpath/Configuration.java
668 # We do not want to redirect the output of the grep below to /dev/null,
669 # but we add /dev/null to the input list so that grep will print the
670 # filename of Configuration.java in case it finds any matches.
671 if grep @ gnu/classpath/Configuration.java /dev/null; then
672 AC_MSG_ERROR([configure.in is missing the substitutions above])
678 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
680 dnl FIXME: cross compilation
681 AC_CHECK_SIZEOF(void *)
686 if test "x$ZLIBSPEC" = "x-lzgcj"; then
687 # We include the path to the zlib build directory.
688 # See Makefile.am to understand why.
689 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
690 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
691 ZINCS='-I$(top_srcdir)/../zlib'
699 AC_SUBST(EXCEPTIONSPEC)
701 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
702 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
703 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
704 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
705 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
706 AC_SUBST(GCC_UNWIND_INCLUDE)
708 # Determine gcj version number.
710 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
712 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
715 AC_SUBST(AM_RUNTESTFLAGS)
717 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
718 AC_MSG_CHECKING([for g++ -ffloat-store bug])
719 save_CFLAGS="$CFLAGS"
720 CFLAGS="-x c++ -O2 -ffloat-store"
721 AC_TRY_COMPILE([#include <math.h>], ,
723 [AC_DEFINE(__NO_MATH_INLINES)
725 CFLAGS="$save_CFLAGS"
727 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
728 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
729 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
730 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)
731 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
732 dnl for now. If you change this, you also must update natFile.cc.
733 AC_CHECK_HEADERS(dirent.h)
735 AC_CHECK_TYPE([ssize_t], [int])
737 AC_MSG_CHECKING([for in_addr_t])
738 AC_TRY_COMPILE([#include <sys/types.h>
743 #if HAVE_NETINET_IN_H
744 #include <netinet/in.h>
745 #endif], [in_addr_t foo;],
746 [AC_DEFINE([HAVE_IN_ADDR_T])
750 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
751 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
752 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
756 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
757 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
758 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
762 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
763 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
764 [AC_DEFINE(HAVE_INET6)
768 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
769 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
770 #include <sys/types.h>
771 #include <sys/socket.h>], [socklen_t x = 5;],
772 [AC_DEFINE(HAVE_SOCKLEN_T)
776 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
777 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
778 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
781 AC_MSG_CHECKING([for global timezone variable])
782 dnl FIXME: we don't want a link check here because that won't work
783 dnl when cross-compiling. So instead we make an assumption that
784 dnl the header file will mention timezone if it exists.
785 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
786 [AC_DEFINE(HAVE_TIMEZONE)
788 [AC_MSG_RESULT(no)])])
792 AC_CHECK_PROGS(PERL, perl, false)
798 SIGNAL_HANDLER=include/i386-signal.h
801 SIGNAL_HANDLER=include/sparc-signal.h
804 # SYSDEP_SOURCES=sysdep/ia64.c
805 # test -d sysdep || mkdir sysdep
808 SIGNAL_HANDLER=include/dwarf2-signal.h
811 SIGNAL_HANDLER=include/dwarf2-signal.h
814 SIGNAL_HANDLER=include/default-signal.h
818 # If we're using sjlj exceptions, forget what we just learned.
819 if test "$enable_sjlj_exceptions" = yes; then
820 SIGNAL_HANDLER=include/default-signal.h
823 AC_SUBST(SYSDEP_SOURCES)
825 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
827 if test "${multilib}" = "yes"; then
828 multilib_arg="--enable-multilib"
835 dnl Determine which AWT peer libraries to build
836 AC_ARG_ENABLE(java-awt,
837 [ --enable-java-awt list of AWT peer implementations to be built])
839 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
843 for peer in $peerlibs ; do
846 if [test "$no_x" = yes]; then
847 echo "*** xlib peers requested but no X library available" 1>&2
862 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
867 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
868 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
874 # We get this from the environment.
877 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
878 [# Only add multilib support code if we just rebuilt top-level Makefile.
879 case " $CONFIG_FILES " in
881 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
885 # Make subdirectories and `.d' files. Look in both srcdir and
886 # builddir for the .java files.
889 ( (cd $srcdir && find . -name '*.java' -print) ;
890 find . -name '*.java' -print) | \
891 fgrep -v testsuite | \
892 sed -e 's/\.java/.d/' | \
894 echo "include $f" >> deps.mk
897 d=`echo $f | sed -e 's,/[^/]*$,,'`
899 $libgcj_basedir/../mkinstalldirs $d
907 with_multisubdir=${with_multisubdir}
908 ac_configure_args="${multilib_arg} ${ac_configure_args}"
909 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
910 libgcj_basedir=${libgcj_basedir}