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="$with_ecos"
196 PLATFORM_SPECIFIC_SOURCES=
197 case "$TARGET_ECOS" in
201 PLATFORM_SPECIFIC_SOURCES=win32.cc
205 PLATFORM_SPECIFIC_SOURCES=posix.cc
212 PLATFORM_SPECIFIC_SOURCES=posix.cc
215 AC_SUBST(PLATFORM_SPECIFIC_SOURCES)
218 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
219 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
220 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
221 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
224 dnl These may not be defined in a non-ANS conformant embedded system.
225 dnl FIXME: Should these case a runtime exception in that case?
226 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
227 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
229 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
230 dnl to create the link will fail.
231 test -d java || mkdir java
232 test -d java/io || mkdir java/io
233 test -d gnu || mkdir gnu
234 AC_LINK_FILES(java/io/natFileDescriptor${PLATFORM}.cc, java/io/natFileDescriptor.cc)
236 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
237 test -d java/lang || mkdir java/lang
238 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
239 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
243 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
251 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
252 AC_SUBST(LIBGCJTESTSPEC)
254 AC_ARG_WITH(system-zlib,
255 [ --with-system-zlib use installed libz])
259 AC_SUBST(ZLIBTESTSPEC)
261 dnl FIXME: this should be _libs on some hosts.
264 dnl Allow the GC to be disabled. Can be useful when debugging.
265 AC_MSG_CHECKING([for garbage collector to use])
266 AC_ARG_ENABLE(java-gc,
267 changequote(<<,>>)dnl
268 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
282 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
283 # We include the path to the boehm-gc build directory.
284 # See Makefile.am to understand why.
285 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
286 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
288 JC1GCSPEC='-fuse-boehm-gc'
289 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
290 dnl We also want to pick up some cpp flags required when including
291 dnl boehm-config.h. Yuck.
292 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
295 dnl The POSIX thread support needs to know this.
296 AC_DEFINE(HAVE_BOEHM_GC)
304 AC_MSG_ERROR(unrecognized collector \"$GC\")
314 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
317 AC_MSG_CHECKING([for thread model used by GCC])
318 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
319 AC_MSG_RESULT([$THREADS])
329 AC_DEFINE(LINUX_THREADS)
335 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
336 AC_MSG_ERROR(thread package $THREADS not yet supported)
339 AC_MSG_ERROR($THREADS is an unknown thread package)
353 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
358 # Before FreeBSD 5, it didn't have -lpthread (or any library which
359 # merely adds pthread_* functions) but it does have a -pthread switch
360 # which is required at link-time to select -lc_r *instead* of -lc.
362 # Don't set THREADSPEC here as might be expected since -pthread is
363 # not processed when found within a spec file, it must come from
364 # the command line. For now, the user must provide the -pthread
365 # switch to link code compiled with gcj. In future, consider adding
366 # support for weak references to pthread_* functions ala gthr.h API.
367 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
370 # FreeBSD 5 implements a model much closer to other modern UNIX
371 # which support threads. However, it still does not support
381 THREADOBJS=posix-threads.lo
382 THREADH=posix-threads.h
383 # MIT pthreads doesn't seem to have the mutexattr functions.
384 # But for now we don't check for it. We just assume you aren't
385 # using MIT pthreads.
386 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
388 # If we're using the Boehm GC, then we happen to know that it
389 # defines _REENTRANT, so we don't bother. Eww.
390 if test "$GC" != boehm; then
391 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
393 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
397 THREADOBJS=win32-threads.lo
398 THREADH=win32-threads.h
402 THREADOBJS=no-threads.lo
406 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
414 # Hash synchronization is only useful with posix threads right now.
415 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
416 HASH_SYNC_SPEC=-fhash-synchronization
417 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
419 AC_SUBST(HASH_SYNC_SPEC)
422 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
428 # We're in the tree with gcc, and need to include some of its headers.
429 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
431 if test -n "${with_cross_host}"; then
432 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
433 # may not work correctly, because the compiler may not be able to
436 # We assume newlib. This lets us hard-code the functions we know
438 AC_DEFINE(HAVE_MEMMOVE)
439 AC_DEFINE(HAVE_MEMCPY)
440 AC_DEFINE(HAVE_STRERROR)
441 AC_DEFINE(HAVE_GMTIME_R)
442 AC_DEFINE(HAVE_LOCALTIME_R)
443 dnl This is only for POSIX threads.
444 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
445 dnl We also assume we are using gcc, which provides alloca.
446 AC_DEFINE(HAVE_ALLOCA)
448 dnl Assume we do not have getuid and friends.
452 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
454 # If Canadian cross, then don't pick up tools from the build
456 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
459 GCJ="${target_alias}-gcj"
463 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
464 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
465 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
466 AC_CHECK_FUNCS(nl_langinfo setlocale)
467 AC_CHECK_FUNCS(inet_aton inet_addr, break)
468 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
469 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
470 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
471 AC_CHECK_LIB(dl, dladdr, [
472 AC_DEFINE(HAVE_DLADDR)])
473 AC_CHECK_FILES(/proc/self/exe, [
474 AC_DEFINE(HAVE_PROC_SELF_EXE)])
480 AC_CHECK_FUNCS(gethostbyname_r, [
481 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
482 # There are two different kinds of gethostbyname_r.
483 # We look for the one that returns `int'.
484 # Hopefully this check is robust enough.
485 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
486 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
489 *" -D_REENTRANT "*) ;;
491 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
492 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
493 [libjava_cv_gethostbyname_r_needs_reentrant],
496 AC_TRY_COMPILE([#include <netdb.h>],
497 [gethostbyname_r("", 0, 0);],
498 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
499 CPPFLAGS_SAVE="$CPPFLAGS"
500 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
501 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
502 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
503 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
504 CPPFLAGS="$CPPFLAGS_SAVE"
508 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
509 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
514 AC_CACHE_CHECK([for struct hostent_data],
515 [libjava_cv_struct_hostent_data], [dnl
517 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
518 # define _REENTRANT 1
520 #include <netdb.h>], [struct hostent_data data;],
521 [libjava_cv_struct_hostent_data=yes],
522 [libjava_cv_struct_hostent_data=no])])
523 if test "x$libjava_cv_struct_hostent_data" = xyes; then
524 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
525 [Define if struct hostent_data is defined in netdb.h])
529 # FIXME: libjava source code expects to find a prototype for
530 # gethostbyaddr_r in netdb.h. The outer check ensures that
531 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
532 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
533 # linkage check is enough, yet C++ code requires proper prototypes.)
534 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
535 AC_CHECK_FUNCS(gethostbyaddr_r, [
536 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
537 # There are two different kinds of gethostbyaddr_r.
538 # We look for the one that returns `int'.
539 # Hopefully this check is robust enough.
540 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
541 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
543 AC_CHECK_FUNCS(gethostname, [
544 AC_DEFINE(HAVE_GETHOSTNAME)
545 AC_EGREP_HEADER(gethostname, unistd.h, [
546 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
548 # Look for these functions in the thread library, but only bother
549 # if using POSIX threads.
550 if test "$THREADS" = posix; then
552 LIBS="$LIBS $THREADLIBS"
553 # Some POSIX thread systems don't have pthread_mutexattr_settype.
555 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
557 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
558 # Solaris 7 the name librt is preferred.
559 AC_CHECK_FUNCS(sched_yield, , [
560 AC_CHECK_LIB(rt, sched_yield, [
561 AC_DEFINE(HAVE_SCHED_YIELD)
562 THREADLIBS="$THREADLIBS -lrt"
563 THREADSPEC="$THREADSPEC -lrt"], [
564 AC_CHECK_LIB(posix4, sched_yield, [
565 AC_DEFINE(HAVE_SCHED_YIELD)
566 THREADLIBS="$THREADLIBS -lposix4"
567 THREADSPEC="$THREADSPEC -lposix4"])])])
570 # We can save a little space at runtime if the mutex has m_count
571 # or __m_count. This is a nice hack for Linux.
572 AC_TRY_COMPILE([#include <pthread.h>], [
573 extern pthread_mutex_t *mutex; int q = mutex->m_count;
574 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
575 AC_TRY_COMPILE([#include <pthread.h>], [
576 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
577 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
580 # We require a way to get the time.
582 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
583 if test "$time_found" = no; then
584 AC_MSG_ERROR([no function found to get the time])
587 AC_CHECK_FUNCS(memmove)
591 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
592 if test "$memcpy_found" = no; then
593 AC_MSG_ERROR([memcpy is required])
596 AC_CHECK_LIB(dl, dlopen, [
597 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
599 # Some library-finding code we stole from Tcl.
600 #--------------------------------------------------------------------
601 # Check for the existence of the -lsocket and -lnsl libraries.
602 # The order here is important, so that they end up in the right
603 # order in the command line generated by make. Here are some
604 # special considerations:
605 # 1. Use "connect" and "accept" to check for -lsocket, and
606 # "gethostbyname" to check for -lnsl.
607 # 2. Use each function name only once: can't redo a check because
608 # autoconf caches the results of the last check and won't redo it.
609 # 3. Use -lnsl and -lsocket only if they supply procedures that
610 # aren't already present in the normal libraries. This is because
611 # IRIX 5.2 has libraries, but they aren't needed and they're
612 # bogus: they goof up name resolution if used.
613 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
614 # To get around this problem, check for both libraries together
615 # if -lsocket doesn't work by itself.
616 #--------------------------------------------------------------------
618 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
621 unset ac_cv_func_connect
622 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
623 if test "$gcj_checkSocket" = 1; then
624 unset ac_cv_func_connect
625 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
628 if test "$gcj_checkBoth" = 1; then
630 LIBS="$LIBS -lsocket -lnsl"
631 unset ac_cv_func_accept
632 AC_CHECK_FUNC(accept,
634 gcj_cv_lib_sockets="-lsocket -lnsl"])
635 unset ac_cv_func_accept
638 unset ac_cv_func_gethostbyname
640 LIBS="$LIBS $gcj_cv_lib_sockets"
641 AC_CHECK_FUNC(gethostbyname, ,
642 [AC_CHECK_LIB(nsl, main,
643 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
644 unset ac_cv_func_gethostbyname
647 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
649 if test "$with_system_zlib" = yes; then
650 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
653 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
656 # On Solaris, and maybe other architectures, the Boehm collector
658 if test "$GC" = boehm; then
659 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
662 if test -z "${with_multisubdir}"; then
666 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
669 if test -x "${builddotdot}/../../gcc/gcj"; then
670 dir="`cd ${builddotdot}/../../gcc && pwd`"
671 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
679 # Create it, so that compile/link tests don't fail
680 test -f libgcj.spec || touch libgcj.spec
682 # We must search the source tree for java.lang, since we still don't
683 # have libgcj.jar nor java/lang/*.class
684 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
685 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
687 # Since some classes depend on this one, we need its source available
688 # before we can do any GCJ compilation test :-(
689 if test ! -f gnu/classpath/Configuration.java; then
690 test -d gnu || mkdir gnu
691 test -d gnu/classpath || mkdir gnu/classpath
692 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
693 < $srcdir/gnu/classpath/Configuration.java.in \
694 > gnu/classpath/Configuration.java
695 # We do not want to redirect the output of the grep below to /dev/null,
696 # but we add /dev/null to the input list so that grep will print the
697 # filename of Configuration.java in case it finds any matches.
698 if grep @ gnu/classpath/Configuration.java /dev/null; then
699 AC_MSG_ERROR([configure.in is missing the substitutions above])
705 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
707 dnl FIXME: cross compilation
708 AC_CHECK_SIZEOF(void *)
713 if test "x$ZLIBSPEC" = "x-lzgcj"; then
714 # We include the path to the zlib build directory.
715 # See Makefile.am to understand why.
716 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
717 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
718 ZINCS='-I$(top_srcdir)/../zlib'
726 AC_SUBST(EXCEPTIONSPEC)
728 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
729 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
730 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
731 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
732 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
733 AC_SUBST(GCC_UNWIND_INCLUDE)
735 # Determine gcj version number.
737 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
739 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
742 AC_SUBST(AM_RUNTESTFLAGS)
744 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
745 AC_MSG_CHECKING([for g++ -ffloat-store bug])
746 save_CFLAGS="$CFLAGS"
747 CFLAGS="-x c++ -O2 -ffloat-store"
748 AC_TRY_COMPILE([#include <math.h>], ,
750 [AC_DEFINE(__NO_MATH_INLINES)
752 CFLAGS="$save_CFLAGS"
754 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
755 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
756 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
757 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 stdint.h langinfo.h locale.h)
758 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
759 dnl for now. If you change this, you also must update natFile.cc.
760 AC_CHECK_HEADERS(dirent.h)
761 AC_CHECK_HEADERS(inttypes.h, [
762 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
763 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
766 AC_CHECK_TYPE([ssize_t], [int])
768 AC_MSG_CHECKING([for in_addr_t])
769 AC_TRY_COMPILE([#include <sys/types.h>
774 #if HAVE_NETINET_IN_H
775 #include <netinet/in.h>
776 #endif], [in_addr_t foo;],
777 [AC_DEFINE([HAVE_IN_ADDR_T])
781 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
782 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
783 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
787 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
788 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
789 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
793 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
794 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
795 [AC_DEFINE(HAVE_INET6)
799 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
800 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
801 #include <sys/types.h>
802 #include <sys/socket.h>], [socklen_t x = 5;],
803 [AC_DEFINE(HAVE_SOCKLEN_T)
807 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
808 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
809 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
812 AC_MSG_CHECKING([for global timezone variable])
813 dnl FIXME: we don't want a link check here because that won't work
814 dnl when cross-compiling. So instead we make an assumption that
815 dnl the header file will mention timezone if it exists.
816 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
817 [AC_DEFINE(HAVE_TIMEZONE)
819 [AC_MSG_RESULT(no)])])
823 AC_CHECK_PROGS(PERL, perl, false)
829 SIGNAL_HANDLER=include/i386-signal.h
832 SIGNAL_HANDLER=include/sparc-signal.h
835 # SYSDEP_SOURCES=sysdep/ia64.c
836 # test -d sysdep || mkdir sysdep
839 SIGNAL_HANDLER=include/dwarf2-signal.h
842 SIGNAL_HANDLER=include/dwarf2-signal.h
845 SIGNAL_HANDLER=include/win32-signal.h
848 SIGNAL_HANDLER=include/default-signal.h
852 # If we're using sjlj exceptions, forget what we just learned.
853 if test "$enable_sjlj_exceptions" = yes; then
854 SIGNAL_HANDLER=include/default-signal.h
857 AC_SUBST(SYSDEP_SOURCES)
859 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
861 if test "${multilib}" = "yes"; then
862 multilib_arg="--enable-multilib"
869 dnl Determine which AWT peer libraries to build
870 AC_ARG_ENABLE(java-awt,
871 [ --enable-java-awt list of AWT peer implementations to be built])
873 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
877 for peer in $peerlibs ; do
880 if [test "$no_x" = yes]; then
881 echo "*** xlib peers requested but no X library available" 1>&2
896 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
901 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
902 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
908 # We get this from the environment.
911 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
912 [# Only add multilib support code if we just rebuilt top-level Makefile.
913 case " $CONFIG_FILES " in
915 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
919 # Make subdirectories and `.d' files. Look in both srcdir and
920 # builddir for the .java files.
923 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
924 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
925 fgrep -v testsuite | \
926 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
928 echo "include $f" >> deps.mk
931 d=`echo $f | sed -e 's,/[^/]*$,,'`
933 if test ! -d $d; then
934 $libgcj_basedir/../mkinstalldirs $d
943 with_multisubdir=${with_multisubdir}
944 ac_configure_args="${multilib_arg} ${ac_configure_args}"
945 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
946 libgcj_basedir=${libgcj_basedir}