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$(top_srcdir)/../libffi/include -I../libffi/include'
204 dnl See if the user wants to disable JVMPI support.
206 [ --disable-jvmpi disable JVMPI support])
208 if test "$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 "$TARGET_ECOS" in
227 PLATFORMOBJS=win32.lo
229 CHECK_FOR_BROKEN_MINGW_LD
233 PLATFORMOBJS=posix.lo
241 PLATFORMOBJS=posix.lo
245 AC_SUBST(PLATFORMOBJS)
246 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
248 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
249 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
250 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
251 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
254 dnl These may not be defined in a non-ANS conformant embedded system.
255 dnl FIXME: Should these case a runtime exception in that case?
256 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
257 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
259 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
260 dnl to create the link will fail.
261 test -d java || mkdir java
262 test -d java/io || mkdir java/io
263 test -d gnu || mkdir gnu
264 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
265 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
267 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
268 test -d java/lang || mkdir java/lang
269 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
270 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
274 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
282 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
283 AC_SUBST(LIBGCJTESTSPEC)
285 AC_ARG_WITH(system-zlib,
286 [ --with-system-zlib use installed libz])
290 AC_SUBST(ZLIBTESTSPEC)
292 dnl FIXME: this should be _libs on some hosts.
295 dnl Allow the GC to be disabled. Can be useful when debugging.
296 AC_MSG_CHECKING([for garbage collector to use])
297 AC_ARG_ENABLE(java-gc,
298 changequote(<<,>>)dnl
299 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
313 GCLIBS=../boehm-gc/libgcjgc_convenience.la
314 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
315 JC1GCSPEC='-fuse-boehm-gc'
316 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
318 dnl We also want to pick up some cpp flags required when including
319 dnl boehm-config.h. Yuck.
320 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
323 dnl The POSIX thread support needs to know this.
324 AC_DEFINE(HAVE_BOEHM_GC)
332 AC_MSG_ERROR(unrecognized collector \"$GC\")
342 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
345 AC_MSG_CHECKING([for thread model used by GCC])
346 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
347 AC_MSG_RESULT([$THREADS])
357 AC_DEFINE(LINUX_THREADS)
363 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
364 AC_MSG_ERROR(thread package $THREADS not yet supported)
367 AC_MSG_ERROR($THREADS is an unknown thread package)
382 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
387 # Before FreeBSD 5, it didn't have -lpthread (or any library which
388 # merely adds pthread_* functions) but it does have a -pthread switch
389 # which is required at link-time to select -lc_r *instead* of -lc.
390 THREADLDFLAGS=-pthread
391 # Don't set THREADSPEC here as might be expected since -pthread is
392 # not processed when found within a spec file, it must come from
393 # the command line. For now, the user must provide the -pthread
394 # switch to link code compiled with gcj. In future, consider adding
395 # support for weak references to pthread_* functions ala gthr.h API.
396 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
399 # FreeBSD 5 implements a model much closer to other modern UNIX
400 # which support threads. However, it still does not support
402 THREADLDFLAGS=-pthread
410 THREADOBJS=posix-threads.lo
411 THREADH=posix-threads.h
412 # MIT pthreads doesn't seem to have the mutexattr functions.
413 # But for now we don't check for it. We just assume you aren't
414 # using MIT pthreads.
415 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
417 # If we're using the Boehm GC, then we happen to know that it
418 # defines _REENTRANT, so we don't bother. Eww.
419 if test "$GC" != boehm; then
420 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
422 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
426 THREADOBJS=win32-threads.lo
427 THREADH=win32-threads.h
431 THREADOBJS=no-threads.lo
435 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
441 AC_SUBST(THREADLDFLAGS)
443 if test -d sysdep; then true; else mkdir sysdep; fi
444 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
447 # Hash synchronization is only useful with posix threads right now.
448 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
449 HASH_SYNC_SPEC=-fhash-synchronization
450 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
452 AC_SUBST(HASH_SYNC_SPEC)
455 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
461 # We're in the tree with gcc, and need to include some of its headers.
462 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
464 # Figure out where generated headers like libgcj-config.h get installed.
466 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
467 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
468 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
469 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
471 AC_SUBST(tool_include_dir)
472 AC_SUBST(gcc_version)
474 if test "x${with_newlib}" = "xyes"; then
475 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
476 # may not work correctly, because the compiler may not be able to
479 # We assume newlib. This lets us hard-code the functions we know
481 AC_DEFINE(HAVE_MEMMOVE)
482 AC_DEFINE(HAVE_MEMCPY)
483 AC_DEFINE(HAVE_STRERROR)
485 AC_DEFINE(HAVE_GMTIME_R)
486 AC_DEFINE(HAVE_LOCALTIME_R)
487 dnl This is only for POSIX threads.
488 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
489 dnl We also assume we are using gcc, which provides alloca.
490 AC_DEFINE(HAVE_ALLOCA)
492 dnl Assume we do not have getuid and friends.
495 # If Canadian cross, then don't pick up tools from the build
497 if test x"$build" != x"$with_cross_host" \
498 && test x"$build" != x"$target"; then
501 GCJ="${target_alias}-gcj"
505 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
506 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
507 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
508 AC_CHECK_FUNCS(nl_langinfo setlocale)
509 AC_CHECK_FUNCS(inet_aton inet_addr, break)
510 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
511 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
512 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
513 AC_CHECK_FUNC(backtrace, [
516 # Has broken backtrace()
519 # Has broken backtrace()
522 AC_DEFINE(HAVE_BACKTRACE)
527 AC_CHECK_LIB(dl, dladdr, [
528 AC_DEFINE(HAVE_DLADDR)])
529 if test x"$build" = x"$host"; then
530 AC_CHECK_FILES(/proc/self/exe, [
531 AC_DEFINE(HAVE_PROC_SELF_EXE)])
535 AC_DEFINE(HAVE_PROC_SELF_EXE)
544 AC_CHECK_FUNCS(gethostbyname_r, [
545 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
546 # There are two different kinds of gethostbyname_r.
547 # We look for the one that returns `int'.
548 # Hopefully this check is robust enough.
549 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
550 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
553 *" -D_REENTRANT "*) ;;
555 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
556 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
557 [libjava_cv_gethostbyname_r_needs_reentrant],
560 AC_TRY_COMPILE([#include <netdb.h>],
561 [gethostbyname_r("", 0, 0);],
562 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
563 CPPFLAGS_SAVE="$CPPFLAGS"
564 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
565 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
566 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
567 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
568 CPPFLAGS="$CPPFLAGS_SAVE"
572 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
573 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
578 AC_CACHE_CHECK([for struct hostent_data],
579 [libjava_cv_struct_hostent_data], [dnl
581 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
582 # define _REENTRANT 1
584 #include <netdb.h>], [struct hostent_data data;],
585 [libjava_cv_struct_hostent_data=yes],
586 [libjava_cv_struct_hostent_data=no])])
587 if test "x$libjava_cv_struct_hostent_data" = xyes; then
588 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
589 [Define if struct hostent_data is defined in netdb.h])
593 # FIXME: libjava source code expects to find a prototype for
594 # gethostbyaddr_r in netdb.h. The outer check ensures that
595 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
596 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
597 # linkage check is enough, yet C++ code requires proper prototypes.)
598 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
599 AC_CHECK_FUNCS(gethostbyaddr_r, [
600 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
601 # There are two different kinds of gethostbyaddr_r.
602 # We look for the one that returns `int'.
603 # Hopefully this check is robust enough.
604 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
605 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
607 AC_CHECK_FUNCS(gethostname, [
608 AC_DEFINE(HAVE_GETHOSTNAME)
609 AC_EGREP_HEADER(gethostname, unistd.h, [
610 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
612 # Look for these functions in the thread library, but only bother
613 # if using POSIX threads.
614 if test "$THREADS" = posix; then
616 LIBS="$LIBS $THREADLIBS"
617 # Some POSIX thread systems don't have pthread_mutexattr_settype.
619 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
621 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
622 # Solaris 7 the name librt is preferred.
623 AC_CHECK_FUNCS(sched_yield, , [
624 AC_CHECK_LIB(rt, sched_yield, [
625 AC_DEFINE(HAVE_SCHED_YIELD)
626 THREADLIBS="$THREADLIBS -lrt"
627 THREADSPEC="$THREADSPEC -lrt"], [
628 AC_CHECK_LIB(posix4, sched_yield, [
629 AC_DEFINE(HAVE_SCHED_YIELD)
630 THREADLIBS="$THREADLIBS -lposix4"
631 THREADSPEC="$THREADSPEC -lposix4"])])])
634 # We can save a little space at runtime if the mutex has m_count
635 # or __m_count. This is a nice hack for Linux.
636 AC_TRY_COMPILE([#include <pthread.h>], [
637 extern pthread_mutex_t *mutex; int q = mutex->m_count;
638 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
639 AC_TRY_COMPILE([#include <pthread.h>], [
640 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
641 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
644 # We require a way to get the time.
646 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
647 if test "$time_found" = no; then
648 AC_MSG_ERROR([no function found to get the time])
651 AC_CHECK_FUNCS(memmove)
655 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
656 if test "$memcpy_found" = no; then
657 AC_MSG_ERROR([memcpy is required])
660 AC_CHECK_LIB(dl, dlopen, [
661 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
663 # Some library-finding code we stole from Tcl.
664 #--------------------------------------------------------------------
665 # Check for the existence of the -lsocket and -lnsl libraries.
666 # The order here is important, so that they end up in the right
667 # order in the command line generated by make. Here are some
668 # special considerations:
669 # 1. Use "connect" and "accept" to check for -lsocket, and
670 # "gethostbyname" to check for -lnsl.
671 # 2. Use each function name only once: can't redo a check because
672 # autoconf caches the results of the last check and won't redo it.
673 # 3. Use -lnsl and -lsocket only if they supply procedures that
674 # aren't already present in the normal libraries. This is because
675 # IRIX 5.2 has libraries, but they aren't needed and they're
676 # bogus: they goof up name resolution if used.
677 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
678 # To get around this problem, check for both libraries together
679 # if -lsocket doesn't work by itself.
680 #--------------------------------------------------------------------
682 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
685 unset ac_cv_func_connect
686 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
687 if test "$gcj_checkSocket" = 1; then
688 unset ac_cv_func_connect
689 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
692 if test "$gcj_checkBoth" = 1; then
694 LIBS="$LIBS -lsocket -lnsl"
695 unset ac_cv_func_accept
696 AC_CHECK_FUNC(accept,
698 gcj_cv_lib_sockets="-lsocket -lnsl"])
699 unset ac_cv_func_accept
702 unset ac_cv_func_gethostbyname
704 LIBS="$LIBS $gcj_cv_lib_sockets"
705 AC_CHECK_FUNC(gethostbyname, ,
706 [AC_CHECK_LIB(nsl, main,
707 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
708 unset ac_cv_func_gethostbyname
711 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
713 if test "$with_system_zlib" = yes; then
714 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
717 # On Solaris, and maybe other architectures, the Boehm collector
719 if test "$GC" = boehm; then
720 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
723 if test -z "${with_multisubdir}"; then
727 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
730 if test -x "${builddotdot}/../../gcc/gcj"; then
731 dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
732 GCJ="$dir/gcj -B`${PWDCMD-pwd}`/ -B$dir/"
736 GCJ="gcj -B`${PWDCMD-pwd}`/"
740 # Create it, so that compile/link tests don't fail
741 test -f libgcj.spec || touch libgcj.spec
743 # We must search the source tree for java.lang, since we still don't
744 # have libgcj.jar nor java/lang/*.class
745 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
746 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
748 # Since some classes depend on this one, we need its source available
749 # before we can do any GCJ compilation test :-(
750 if test ! -f gnu/classpath/Configuration.java; then
751 test -d gnu || mkdir gnu
752 test -d gnu/classpath || mkdir gnu/classpath
753 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
754 < $srcdir/gnu/classpath/Configuration.java.in \
755 > gnu/classpath/Configuration.java
756 # We do not want to redirect the output of the grep below to /dev/null,
757 # but we add /dev/null to the input list so that grep will print the
758 # filename of Configuration.java in case it finds any matches.
759 if grep @ gnu/classpath/Configuration.java /dev/null; then
760 AC_MSG_ERROR([configure.in is missing the substitutions above])
766 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
768 AC_COMPILE_CHECK_SIZEOF(void *)
774 if test -z "$ZLIBSPEC"; then
775 # Use zlib from the GCC tree.
776 ZINCS='-I$(top_srcdir)/../zlib'
777 ZLIBS=../zlib/libzgcj_convenience.la
780 SYS_ZLIBS="$ZLIBSPEC"
786 AC_SUBST(CHECKREFSPEC)
787 AC_SUBST(EXCEPTIONSPEC)
789 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
790 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
791 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
792 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
793 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
794 AC_SUBST(GCC_UNWIND_INCLUDE)
796 # Determine gcj version number.
798 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
800 GCJVERSION=$gcjversion
802 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
804 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
805 AC_MSG_CHECKING([for g++ -ffloat-store bug])
806 save_CFLAGS="$CFLAGS"
807 CFLAGS="-x c++ -O2 -ffloat-store"
808 AC_TRY_COMPILE([#include <math.h>], ,
810 [AC_DEFINE(__NO_MATH_INLINES)
812 CFLAGS="$save_CFLAGS"
814 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
815 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
816 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
817 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 net/if.h pwd.h sys/config.h stdint.h langinfo.h locale.h)
818 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
819 dnl for now. If you change this, you also must update natFile.cc.
820 AC_CHECK_HEADERS(dirent.h)
821 AC_CHECK_HEADERS(inttypes.h, [
822 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
823 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
827 AC_CHECK_TYPE([ssize_t], [int])
829 AC_MSG_CHECKING([for in_addr_t])
830 AC_TRY_COMPILE([#include <sys/types.h>
835 #if HAVE_NETINET_IN_H
836 #include <netinet/in.h>
837 #endif], [in_addr_t foo;],
838 [AC_DEFINE([HAVE_IN_ADDR_T])
842 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
843 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
844 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
848 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
849 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
850 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
854 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
855 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
856 [AC_DEFINE(HAVE_INET6)
860 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
861 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
862 #include <sys/types.h>
863 #include <sys/socket.h>], [socklen_t x = 5;],
864 [AC_DEFINE(HAVE_SOCKLEN_T)
868 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
869 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
870 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
873 AC_MSG_CHECKING([for global timezone variable])
874 dnl FIXME: we don't want a link check here because that won't work
875 dnl when cross-compiling. So instead we make an assumption that
876 dnl the header file will mention timezone if it exists.
877 dnl Don't find the win32 function timezone
878 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
879 [AC_DEFINE(HAVE_TIMEZONE)
882 AC_MSG_CHECKING([for global _timezone variable])
883 dnl FIXME: As above, don't want link check
884 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
885 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE)
887 [AC_MSG_RESULT(no)])])])
891 AC_CHECK_PROGS(PERL, perl, false)
897 SIGNAL_HANDLER=include/i386-signal.h
900 SIGNAL_HANDLER=include/sparc-signal.h
903 # SYSDEP_SOURCES=sysdep/ia64.c
904 # test -d sysdep || mkdir sysdep
907 SIGNAL_HANDLER=include/dwarf2-signal.h
910 SIGNAL_HANDLER=include/dwarf2-signal.h
913 SIGNAL_HANDLER=include/dwarf2-signal.h
916 SIGNAL_HANDLER=include/s390-signal.h
919 SIGNAL_HANDLER=include/dwarf2-signal.h
922 SIGNAL_HANDLER=include/dwarf2-signal.h
924 sh-*-linux* | sh[[34]]*-*-linux*)
925 SIGNAL_HANDLER=include/dwarf2-signal.h
928 SIGNAL_HANDLER=include/win32-signal.h
931 SIGNAL_HANDLER=include/default-signal.h
935 # If we're using sjlj exceptions, forget what we just learned.
936 if test "$enable_sjlj_exceptions" = yes; then
937 SIGNAL_HANDLER=include/default-signal.h
940 AC_SUBST(SYSDEP_SOURCES)
942 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
944 if test "${multilib}" = "yes"; then
945 multilib_arg="--enable-multilib"
952 dnl Determine which AWT peer libraries to build
953 AC_ARG_ENABLE(java-awt,
954 [ --enable-java-awt list of AWT peer implementations to be built])
956 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
960 for peer in $peerlibs ; do
963 if [test "$no_x" = yes]; then
964 echo "*** xlib peers requested but no X library available" 1>&2
979 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
984 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
985 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
991 # We get this from the environment.
994 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
995 [# Only add multilib support code if we just rebuilt top-level Makefile.
996 case " $CONFIG_FILES " in
998 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
999 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1003 # Make subdirectories and `.d' files. Look in both srcdir and
1004 # builddir for the .java files.
1007 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
1008 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
1009 fgrep -v testsuite | \
1010 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
1012 echo "include $f" >> deps.mk
1015 d=`echo $f | sed -e 's,/[^/]*$,,'`
1017 if test ! -d $d; then
1018 $libgcj_basedir/../mkinstalldirs $d
1027 with_multisubdir=${with_multisubdir}
1028 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1029 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1030 libgcj_basedir=${libgcj_basedir}