1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
4 # This works around the fact that libtool configuration may change LD
5 # for this particular configuration, but some shells, instead of
6 # keeping the changes in LD private, export them just because LD is
8 ORIGINAL_LD_FOR_MULTILIBS=$LD
12 dnl We use these options to decide which functions to include.
13 AC_ARG_WITH(target-subdir,
14 [ --with-target-subdir=SUBDIR
15 configuring in a subdirectory])
16 AC_ARG_WITH(cross-host,
17 [ --with-cross-host=HOST configuring with a cross compiler])
20 [ --with-newlib Configuring with newlib])
24 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
26 # Only use libltdl for native builds.
27 if test -z "${with_cross_host}"; then
28 AC_LIBLTDL_CONVENIENCE
32 # Sigh. Libtool's macro doesn't do the right thing.
33 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
34 # FIXME: this is a hack.
35 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
36 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
42 AC_CONFIG_SUBDIRS($DIRLTDL)
44 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
51 dnl The -no-testsuite modules omit the test subdir.
52 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
54 dnl Should the runtime set system properties by examining the
55 dnl environment variable GCJ_PROPERTIES?
56 AC_ARG_ENABLE(getenv-properties,
57 [ --disable-getenv-properties
58 don't set system properties from GCJ_PROPERTIES])
60 dnl Whether GCJ_PROPERTIES is used depends on the target.
61 if test -z "$enable_getenv_properties"; then
62 enable_getenv_properties=${enable_getenv_properties_default-yes}
64 if test "$enable_getenv_properties" = no; then
65 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
68 dnl Whether we should use arguments to main()
69 if test -z "$enable_main_args"; then
70 enable_main_args=${enable_main_args_default-yes}
72 if test "$enable_main_args" = no; then
73 AC_DEFINE(DISABLE_MAIN_ARGS)
77 dnl Should we use hashtable-based synchronization?
78 dnl Currently works only for Linux X86/ia64
79 dnl Typically faster and more space-efficient
80 AC_ARG_ENABLE(hash-synchronization,
81 [ --enable-hash-synchronization
82 Use global hash table for monitor locks])
84 if test -z "$enable_hash_synchronization"; then
85 enable_hash_synchronization=$enable_hash_synchronization_default
88 dnl configure.host sets slow_pthread_self if the synchronization code should
89 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
90 if test "${slow_pthread_self}" = "yes"; then
91 AC_DEFINE(SLOW_PTHREAD_SELF)
95 dnl See if the user has requested runtime debugging.
98 AC_ARG_ENABLE(libgcj-debug,
99 [ --enable-libgcj-debug enable runtime debugging code],
100 if test "$enable_libgcj_debug" = yes; then
105 dnl See if the user has the interpreter included.
106 AC_ARG_ENABLE(interpreter,
107 [ --enable-interpreter enable interpreter],
108 if test "$enable_interpreter" = yes; then
109 # This can also be set in configure.host.
110 libgcj_interpreter=yes
111 elif test "$enable_interpreter" = no; then
112 libgcj_interpreter=no
115 if test "$libgcj_interpreter" = yes; then
116 AC_DEFINE(INTERPRETER)
118 INTERPRETER="$libgcj_interpreter"
119 AC_SUBST(INTERPRETER)
121 AC_MSG_CHECKING([for exception model to use])
124 AC_ARG_ENABLE(sjlj-exceptions,
125 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
127 [dnl Botheration. Now we've got to detect the exception model.
128 dnl Link tests against libgcc.a are problematic since -- at least
129 dnl as of this writing -- we've not been given proper -L bits for
130 dnl single-tree newlib and libgloss.
132 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
133 dnl conftest files before we got a change to grep them first.
134 cat > conftest.$ac_ext << EOF
135 [#]line __oline__ "configure"
144 old_CXXFLAGS="$CXXFLAGS"
146 if AC_TRY_EVAL(ac_compile); then
147 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
148 enable_sjlj_exceptions=yes
149 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
150 enable_sjlj_exceptions=no
153 CXXFLAGS="$old_CXXFLAGS"
155 if test x$enable_sjlj_exceptions = xyes; then
156 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
157 [Define if the compiler is configured for setjmp/longjmp exceptions.])
158 ac_exception_model_name=sjlj
159 elif test x$enable_sjlj_exceptions = xno; then
160 ac_exception_model_name="call frame"
162 AC_MSG_ERROR([unable to detect exception model])
165 AC_MSG_RESULT($ac_exception_model_name)
167 # If we are non using SJLJ exceptions, and this host does not have support
168 # for unwinding from a signal handler, enable checked dereferences and divides.
169 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
170 CHECKREFSPEC=-fcheck-references
171 DIVIDESPEC=-fuse-divide-subroutine
175 dnl See if the user wants to disable java.net. This is the mildly
176 dnl ugly way that we admit that target-side configuration sucks.
177 AC_ARG_ENABLE(java-net,
178 [ --disable-java-net disable java.net])
180 dnl Whether java.net is built by default can depend on the target.
181 if test -z "$enable_java_net"; then
182 enable_java_net=${enable_java_net_default-yes}
184 if test "$enable_java_net" = no; then
185 AC_DEFINE(DISABLE_JAVA_NET)
188 dnl See if the user wants to configure without libffi. Some
189 dnl architectures don't support it, and default values are set in
192 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
196 if test "$with_libffi" != no; then
197 AC_DEFINE(USE_LIBFFI)
198 LIBFFI=../libffi/libffi_convenience.la
199 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
204 dnl See if the user wants to disable JVMPI support.
206 [ --disable-jvmpi disable JVMPI support])
208 if test "$enable_jvmpi" != no; then
209 AC_DEFINE(ENABLE_JVMPI)
212 dnl If the target is an eCos system, use the appropriate eCos
214 dnl FIXME: this should not be a local option but a global target
215 dnl system; at present there is no eCos target.
216 TARGET_ECOS=${PROCESS-"no"}
218 [ --with-ecos enable runtime eCos target support],
219 TARGET_ECOS="$with_ecos"
223 case "$TARGET_ECOS" in
227 PLATFORMOBJS=win32.lo
232 PLATFORMOBJS=posix.lo
240 PLATFORMOBJS=posix.lo
244 AC_SUBST(PLATFORMOBJS)
245 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
247 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
248 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
249 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
250 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
253 dnl These may not be defined in a non-ANS conformant embedded system.
254 dnl FIXME: Should these case a runtime exception in that case?
255 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
256 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
258 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
259 dnl to create the link will fail.
260 test -d java || mkdir java
261 test -d java/io || mkdir java/io
262 test -d gnu || mkdir gnu
263 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
264 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
266 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
267 test -d java/lang || mkdir java/lang
268 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
269 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
273 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
281 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
282 AC_SUBST(LIBGCJTESTSPEC)
284 AC_ARG_WITH(system-zlib,
285 [ --with-system-zlib use installed libz])
289 AC_SUBST(ZLIBTESTSPEC)
291 dnl FIXME: this should be _libs on some hosts.
294 dnl Allow the GC to be disabled. Can be useful when debugging.
295 AC_MSG_CHECKING([for garbage collector to use])
296 AC_ARG_ENABLE(java-gc,
297 changequote(<<,>>)dnl
298 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
312 GCLIBS=../boehm-gc/libgcjgc_convenience.la
313 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
314 JC1GCSPEC='-fuse-boehm-gc'
315 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
317 dnl We also want to pick up some cpp flags required when including
318 dnl boehm-config.h. Yuck.
319 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
322 dnl The POSIX thread support needs to know this.
323 AC_DEFINE(HAVE_BOEHM_GC)
331 AC_MSG_ERROR(unrecognized collector \"$GC\")
341 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
344 AC_MSG_CHECKING([for thread model used by GCC])
345 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
346 AC_MSG_RESULT([$THREADS])
356 AC_DEFINE(LINUX_THREADS)
362 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
363 AC_MSG_ERROR(thread package $THREADS not yet supported)
366 AC_MSG_ERROR($THREADS is an unknown thread package)
381 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
386 # Before FreeBSD 5, it didn't have -lpthread (or any library which
387 # merely adds pthread_* functions) but it does have a -pthread switch
388 # which is required at link-time to select -lc_r *instead* of -lc.
389 THREADLDFLAGS=-pthread
390 # Don't set THREADSPEC here as might be expected since -pthread is
391 # not processed when found within a spec file, it must come from
392 # the command line. For now, the user must provide the -pthread
393 # switch to link code compiled with gcj. In future, consider adding
394 # support for weak references to pthread_* functions ala gthr.h API.
395 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
398 # FreeBSD 5 implements a model much closer to other modern UNIX
399 # which support threads. However, it still does not support
401 THREADLDFLAGS=-pthread
409 THREADOBJS=posix-threads.lo
410 THREADH=posix-threads.h
411 # MIT pthreads doesn't seem to have the mutexattr functions.
412 # But for now we don't check for it. We just assume you aren't
413 # using MIT pthreads.
414 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
416 # If we're using the Boehm GC, then we happen to know that it
417 # defines _REENTRANT, so we don't bother. Eww.
418 if test "$GC" != boehm; then
419 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
421 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
425 THREADOBJS=win32-threads.lo
426 THREADH=win32-threads.h
430 THREADOBJS=no-threads.lo
434 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
440 AC_SUBST(THREADLDFLAGS)
442 if test -d sysdep; then true; else mkdir sysdep; fi
443 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
446 # Hash synchronization is only useful with posix threads right now.
447 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
448 HASH_SYNC_SPEC=-fhash-synchronization
449 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
451 AC_SUBST(HASH_SYNC_SPEC)
454 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
460 # We're in the tree with gcc, and need to include some of its headers.
461 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
463 # Figure out where generated headers like libgcj-config.h get installed.
465 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
466 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
467 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
468 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
470 AC_SUBST(tool_include_dir)
471 AC_SUBST(gcc_version)
473 if test "x${with_newlib}" = "xyes"; then
474 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
475 # may not work correctly, because the compiler may not be able to
478 # We assume newlib. This lets us hard-code the functions we know
480 AC_DEFINE(HAVE_MEMMOVE)
481 AC_DEFINE(HAVE_MEMCPY)
482 AC_DEFINE(HAVE_STRERROR)
484 AC_DEFINE(HAVE_GMTIME_R)
485 AC_DEFINE(HAVE_LOCALTIME_R)
486 dnl This is only for POSIX threads.
487 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
488 dnl We also assume we are using gcc, which provides alloca.
489 AC_DEFINE(HAVE_ALLOCA)
491 dnl Assume we do not have getuid and friends.
494 # If Canadian cross, then don't pick up tools from the build
496 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
499 GCJ="${target_alias}-gcj"
503 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
504 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
505 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
506 AC_CHECK_FUNCS(nl_langinfo setlocale)
507 AC_CHECK_FUNCS(inet_aton inet_addr, break)
508 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
509 AC_CHECK_FUNCS(fork execvp pipe sigaction)
510 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
511 AC_CHECK_FUNC(backtrace, [
514 # Has broken backtrace()
517 # Has broken backtrace()
520 AC_DEFINE(HAVE_BACKTRACE)
525 AC_CHECK_LIB(dl, dladdr, [
526 AC_DEFINE(HAVE_DLADDR)])
527 if test x"$build" = x"$host"; then
528 AC_CHECK_FILES(/proc/self/exe, [
529 AC_DEFINE(HAVE_PROC_SELF_EXE)])
533 AC_DEFINE(HAVE_PROC_SELF_EXE)
542 AC_CHECK_FUNCS(gethostbyname_r, [
543 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
544 # There are two different kinds of gethostbyname_r.
545 # We look for the one that returns `int'.
546 # Hopefully this check is robust enough.
547 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
548 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
551 *" -D_REENTRANT "*) ;;
553 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
554 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
555 [libjava_cv_gethostbyname_r_needs_reentrant],
558 AC_TRY_COMPILE([#include <netdb.h>],
559 [gethostbyname_r("", 0, 0);],
560 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
561 CPPFLAGS_SAVE="$CPPFLAGS"
562 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
563 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
564 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
565 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
566 CPPFLAGS="$CPPFLAGS_SAVE"
570 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
571 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
576 AC_CACHE_CHECK([for struct hostent_data],
577 [libjava_cv_struct_hostent_data], [dnl
579 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
580 # define _REENTRANT 1
582 #include <netdb.h>], [struct hostent_data data;],
583 [libjava_cv_struct_hostent_data=yes],
584 [libjava_cv_struct_hostent_data=no])])
585 if test "x$libjava_cv_struct_hostent_data" = xyes; then
586 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
587 [Define if struct hostent_data is defined in netdb.h])
591 # FIXME: libjava source code expects to find a prototype for
592 # gethostbyaddr_r in netdb.h. The outer check ensures that
593 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
594 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
595 # linkage check is enough, yet C++ code requires proper prototypes.)
596 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
597 AC_CHECK_FUNCS(gethostbyaddr_r, [
598 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
599 # There are two different kinds of gethostbyaddr_r.
600 # We look for the one that returns `int'.
601 # Hopefully this check is robust enough.
602 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
603 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
605 AC_CHECK_FUNCS(gethostname, [
606 AC_DEFINE(HAVE_GETHOSTNAME)
607 AC_EGREP_HEADER(gethostname, unistd.h, [
608 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
610 # Look for these functions in the thread library, but only bother
611 # if using POSIX threads.
612 if test "$THREADS" = posix; then
614 LIBS="$LIBS $THREADLIBS"
615 # Some POSIX thread systems don't have pthread_mutexattr_settype.
617 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
619 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
620 # Solaris 7 the name librt is preferred.
621 AC_CHECK_FUNCS(sched_yield, , [
622 AC_CHECK_LIB(rt, sched_yield, [
623 AC_DEFINE(HAVE_SCHED_YIELD)
624 THREADLIBS="$THREADLIBS -lrt"
625 THREADSPEC="$THREADSPEC -lrt"], [
626 AC_CHECK_LIB(posix4, sched_yield, [
627 AC_DEFINE(HAVE_SCHED_YIELD)
628 THREADLIBS="$THREADLIBS -lposix4"
629 THREADSPEC="$THREADSPEC -lposix4"])])])
632 # We can save a little space at runtime if the mutex has m_count
633 # or __m_count. This is a nice hack for Linux.
634 AC_TRY_COMPILE([#include <pthread.h>], [
635 extern pthread_mutex_t *mutex; int q = mutex->m_count;
636 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
637 AC_TRY_COMPILE([#include <pthread.h>], [
638 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
639 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
642 # We require a way to get the time.
644 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
645 if test "$time_found" = no; then
646 AC_MSG_ERROR([no function found to get the time])
649 AC_CHECK_FUNCS(memmove)
653 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
654 if test "$memcpy_found" = no; then
655 AC_MSG_ERROR([memcpy is required])
658 AC_CHECK_LIB(dl, dlopen, [
659 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
661 # Some library-finding code we stole from Tcl.
662 #--------------------------------------------------------------------
663 # Check for the existence of the -lsocket and -lnsl libraries.
664 # The order here is important, so that they end up in the right
665 # order in the command line generated by make. Here are some
666 # special considerations:
667 # 1. Use "connect" and "accept" to check for -lsocket, and
668 # "gethostbyname" to check for -lnsl.
669 # 2. Use each function name only once: can't redo a check because
670 # autoconf caches the results of the last check and won't redo it.
671 # 3. Use -lnsl and -lsocket only if they supply procedures that
672 # aren't already present in the normal libraries. This is because
673 # IRIX 5.2 has libraries, but they aren't needed and they're
674 # bogus: they goof up name resolution if used.
675 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
676 # To get around this problem, check for both libraries together
677 # if -lsocket doesn't work by itself.
678 #--------------------------------------------------------------------
680 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
683 unset ac_cv_func_connect
684 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
685 if test "$gcj_checkSocket" = 1; then
686 unset ac_cv_func_connect
687 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
690 if test "$gcj_checkBoth" = 1; then
692 LIBS="$LIBS -lsocket -lnsl"
693 unset ac_cv_func_accept
694 AC_CHECK_FUNC(accept,
696 gcj_cv_lib_sockets="-lsocket -lnsl"])
697 unset ac_cv_func_accept
700 unset ac_cv_func_gethostbyname
702 LIBS="$LIBS $gcj_cv_lib_sockets"
703 AC_CHECK_FUNC(gethostbyname, ,
704 [AC_CHECK_LIB(nsl, main,
705 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
706 unset ac_cv_func_gethostbyname
709 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
711 if test "$with_system_zlib" = yes; then
712 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
715 # On Solaris, and maybe other architectures, the Boehm collector
717 if test "$GC" = boehm; then
718 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
721 if test -z "${with_multisubdir}"; then
725 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
728 if test -x "${builddotdot}/../../gcc/gcj"; then
729 dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
730 GCJ="$dir/gcj -B`${PWDCMD-pwd}`/ -B$dir/"
734 GCJ="gcj -B`${PWDCMD-pwd}`/"
738 # Create it, so that compile/link tests don't fail
739 test -f libgcj.spec || touch libgcj.spec
741 # We must search the source tree for java.lang, since we still don't
742 # have libgcj.jar nor java/lang/*.class
743 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
744 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
746 # Since some classes depend on this one, we need its source available
747 # before we can do any GCJ compilation test :-(
748 if test ! -f gnu/classpath/Configuration.java; then
749 test -d gnu || mkdir gnu
750 test -d gnu/classpath || mkdir gnu/classpath
751 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
752 < $srcdir/gnu/classpath/Configuration.java.in \
753 > gnu/classpath/Configuration.java
754 # We do not want to redirect the output of the grep below to /dev/null,
755 # but we add /dev/null to the input list so that grep will print the
756 # filename of Configuration.java in case it finds any matches.
757 if grep @ gnu/classpath/Configuration.java /dev/null; then
758 AC_MSG_ERROR([configure.in is missing the substitutions above])
764 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
766 AC_COMPILE_CHECK_SIZEOF(void *)
772 if test -z "$ZLIBSPEC"; then
773 # Use zlib from the GCC tree.
774 ZINCS='-I$(top_srcdir)/../zlib'
775 ZLIBS=../zlib/libzgcj_convenience.la
778 SYS_ZLIBS="$ZLIBSPEC"
784 AC_SUBST(CHECKREFSPEC)
785 AC_SUBST(EXCEPTIONSPEC)
787 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
788 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
789 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
790 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
791 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
792 AC_SUBST(GCC_UNWIND_INCLUDE)
794 # Determine gcj version number.
796 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
798 GCJVERSION=$gcjversion
800 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
802 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
803 AC_MSG_CHECKING([for g++ -ffloat-store bug])
804 save_CFLAGS="$CFLAGS"
805 CFLAGS="-x c++ -O2 -ffloat-store"
806 AC_TRY_COMPILE([#include <math.h>], ,
808 [AC_DEFINE(__NO_MATH_INLINES)
810 CFLAGS="$save_CFLAGS"
812 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
813 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
814 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
815 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)
816 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
817 dnl for now. If you change this, you also must update natFile.cc.
818 AC_CHECK_HEADERS(dirent.h)
819 AC_CHECK_HEADERS(inttypes.h, [
820 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
821 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
825 AC_CHECK_TYPE([ssize_t], [int])
827 AC_MSG_CHECKING([for in_addr_t])
828 AC_TRY_COMPILE([#include <sys/types.h>
833 #if HAVE_NETINET_IN_H
834 #include <netinet/in.h>
835 #endif], [in_addr_t foo;],
836 [AC_DEFINE([HAVE_IN_ADDR_T])
840 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
841 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
842 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
846 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
847 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
848 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
852 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
853 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
854 [AC_DEFINE(HAVE_INET6)
858 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
859 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
860 #include <sys/types.h>
861 #include <sys/socket.h>], [socklen_t x = 5;],
862 [AC_DEFINE(HAVE_SOCKLEN_T)
866 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
867 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
868 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
871 AC_MSG_CHECKING([for global timezone variable])
872 dnl FIXME: we don't want a link check here because that won't work
873 dnl when cross-compiling. So instead we make an assumption that
874 dnl the header file will mention timezone if it exists.
875 dnl Don't find the win32 function timezone
876 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
877 [AC_DEFINE(HAVE_TIMEZONE)
880 AC_MSG_CHECKING([for global _timezone variable])
881 dnl FIXME: As above, don't want link check
882 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
883 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE)
885 [AC_MSG_RESULT(no)])])])
889 AC_CHECK_PROGS(PERL, perl, false)
895 SIGNAL_HANDLER=include/i386-signal.h
898 SIGNAL_HANDLER=include/sparc-signal.h
901 # SYSDEP_SOURCES=sysdep/ia64.c
902 # test -d sysdep || mkdir sysdep
905 SIGNAL_HANDLER=include/dwarf2-signal.h
908 SIGNAL_HANDLER=include/dwarf2-signal.h
911 SIGNAL_HANDLER=include/dwarf2-signal.h
914 SIGNAL_HANDLER=include/s390-signal.h
917 SIGNAL_HANDLER=include/dwarf2-signal.h
920 SIGNAL_HANDLER=include/win32-signal.h
923 SIGNAL_HANDLER=include/default-signal.h
927 # If we're using sjlj exceptions, forget what we just learned.
928 if test "$enable_sjlj_exceptions" = yes; then
929 SIGNAL_HANDLER=include/default-signal.h
932 AC_SUBST(SYSDEP_SOURCES)
934 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
936 if test "${multilib}" = "yes"; then
937 multilib_arg="--enable-multilib"
944 dnl Determine which AWT peer libraries to build
945 AC_ARG_ENABLE(java-awt,
946 [ --enable-java-awt list of AWT peer implementations to be built])
948 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
952 for peer in $peerlibs ; do
955 if [test "$no_x" = yes]; then
956 echo "*** xlib peers requested but no X library available" 1>&2
971 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
976 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
977 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
983 # We get this from the environment.
986 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
987 [# Only add multilib support code if we just rebuilt top-level Makefile.
988 case " $CONFIG_FILES " in
990 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
991 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
995 # Make subdirectories and `.d' files. Look in both srcdir and
996 # builddir for the .java files.
999 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
1000 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
1001 fgrep -v testsuite | \
1002 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
1004 echo "include $f" >> deps.mk
1007 d=`echo $f | sed -e 's,/[^/]*$,,'`
1009 if test ! -d $d; then
1010 $libgcj_basedir/../mkinstalldirs $d
1019 with_multisubdir=${with_multisubdir}
1020 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1021 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1022 libgcj_basedir=${libgcj_basedir}