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)
294 dnl Determine which AWT peer libraries to build
295 AC_ARG_ENABLE(java-awt,
296 [ --enable-java-awt list of AWT peer implementations to be built])
298 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
301 # The default toolkit to use is the first one specified.
305 for peer in $peerlibs ; do
308 if test "$no_x" = yes; then
309 echo "*** xlib peers requested but no X library available" 1>&2
313 if test -z "$TOOLKIT"; then
314 TOOLKIT=gnu.awt.xlib.XToolkit
319 if test "$no_x" = yes; then
320 echo "*** xlib peers requested but no X library available" 1>&2
324 if test -z "$TOOLKIT"; then
325 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
327 test -d jniinclude || mkdir jniinclude
336 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
341 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
342 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
345 dnl FIXME: this should be _libs on some hosts.
348 dnl Allow the GC to be disabled. Can be useful when debugging.
349 AC_MSG_CHECKING([for garbage collector to use])
350 AC_ARG_ENABLE(java-gc,
351 changequote(<<,>>)dnl
352 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
366 GCLIBS=../boehm-gc/libgcjgc_convenience.la
367 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
368 JC1GCSPEC='-fuse-boehm-gc'
369 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
371 dnl We also want to pick up some cpp flags required when including
372 dnl boehm-config.h. Yuck.
373 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
376 dnl The POSIX thread support needs to know this.
377 AC_DEFINE(HAVE_BOEHM_GC)
385 AC_MSG_ERROR(unrecognized collector \"$GC\")
395 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
398 AC_MSG_CHECKING([for thread model used by GCC])
399 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
400 AC_MSG_RESULT([$THREADS])
410 AC_DEFINE(LINUX_THREADS)
416 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
417 AC_MSG_ERROR(thread package $THREADS not yet supported)
420 AC_MSG_ERROR($THREADS is an unknown thread package)
435 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
440 # Before FreeBSD 5, it didn't have -lpthread (or any library which
441 # merely adds pthread_* functions) but it does have a -pthread switch
442 # which is required at link-time to select -lc_r *instead* of -lc.
443 THREADLDFLAGS=-pthread
444 # Don't set THREADSPEC here as might be expected since -pthread is
445 # not processed when found within a spec file, it must come from
446 # the command line. For now, the user must provide the -pthread
447 # switch to link code compiled with gcj. In future, consider adding
448 # support for weak references to pthread_* functions ala gthr.h API.
449 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
452 # FreeBSD 5 implements a model much closer to other modern UNIX
453 # which support threads. However, it still does not support
455 THREADLDFLAGS=-pthread
463 THREADOBJS=posix-threads.lo
464 THREADH=posix-threads.h
465 # MIT pthreads doesn't seem to have the mutexattr functions.
466 # But for now we don't check for it. We just assume you aren't
467 # using MIT pthreads.
468 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
470 # If we're using the Boehm GC, then we happen to know that it
471 # defines _REENTRANT, so we don't bother. Eww.
472 if test "$GC" != boehm; then
473 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
475 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
479 THREADOBJS=win32-threads.lo
480 THREADH=win32-threads.h
484 THREADOBJS=no-threads.lo
488 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
494 AC_SUBST(THREADLDFLAGS)
496 if test -d sysdep; then true; else mkdir sysdep; fi
497 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
500 # Hash synchronization is only useful with posix threads right now.
501 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
502 HASH_SYNC_SPEC=-fhash-synchronization
503 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
505 AC_SUBST(HASH_SYNC_SPEC)
508 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
514 # We're in the tree with gcc, and need to include some of its headers.
515 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
517 # Figure out where generated headers like libgcj-config.h get installed.
519 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
520 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
521 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
522 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
524 AC_SUBST(tool_include_dir)
525 AC_SUBST(gcc_version)
527 if test "x${with_newlib}" = "xyes"; then
528 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
529 # may not work correctly, because the compiler may not be able to
532 # We assume newlib. This lets us hard-code the functions we know
534 AC_DEFINE(HAVE_MEMMOVE)
535 AC_DEFINE(HAVE_MEMCPY)
536 AC_DEFINE(HAVE_STRERROR)
538 AC_DEFINE(HAVE_GMTIME_R)
539 AC_DEFINE(HAVE_LOCALTIME_R)
540 dnl This is only for POSIX threads.
541 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
542 dnl We also assume we are using gcc, which provides alloca.
543 AC_DEFINE(HAVE_ALLOCA)
545 dnl Assume we do not have getuid and friends.
548 # If Canadian cross, then don't pick up tools from the build
550 if test x"$build" != x"$with_cross_host" \
551 && test x"$build" != x"$target"; then
554 GCJ="${target_alias}-gcj"
558 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
559 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
560 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
561 AC_CHECK_FUNCS(nl_langinfo setlocale)
562 AC_CHECK_FUNCS(inet_aton inet_addr, break)
563 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
564 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
565 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
566 AC_CHECK_FUNC(backtrace, [
569 # Has broken backtrace()
572 # Has broken backtrace()
575 AC_DEFINE(HAVE_BACKTRACE)
581 # Has backtrace() defined in libgcj itself
582 AC_DEFINE(HAVE_BACKTRACE)
587 AC_CHECK_LIB(dl, dladdr, [
588 AC_DEFINE(HAVE_DLADDR)])
589 if test x"$build" = x"$host"; then
590 AC_CHECK_FILES(/proc/self/exe, [
591 AC_DEFINE(HAVE_PROC_SELF_EXE)])
595 AC_DEFINE(HAVE_PROC_SELF_EXE)
604 AC_CHECK_FUNCS(gethostbyname_r, [
605 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
606 # There are two different kinds of gethostbyname_r.
607 # We look for the one that returns `int'.
608 # Hopefully this check is robust enough.
609 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
610 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
613 *" -D_REENTRANT "*) ;;
615 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
616 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
617 [libjava_cv_gethostbyname_r_needs_reentrant],
620 AC_TRY_COMPILE([#include <netdb.h>],
621 [gethostbyname_r("", 0, 0);],
622 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
623 CPPFLAGS_SAVE="$CPPFLAGS"
624 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
625 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
626 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
627 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
628 CPPFLAGS="$CPPFLAGS_SAVE"
632 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
633 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
638 AC_CACHE_CHECK([for struct hostent_data],
639 [libjava_cv_struct_hostent_data], [dnl
641 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
642 # define _REENTRANT 1
644 #include <netdb.h>], [struct hostent_data data;],
645 [libjava_cv_struct_hostent_data=yes],
646 [libjava_cv_struct_hostent_data=no])])
647 if test "x$libjava_cv_struct_hostent_data" = xyes; then
648 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
649 [Define if struct hostent_data is defined in netdb.h])
653 # FIXME: libjava source code expects to find a prototype for
654 # gethostbyaddr_r in netdb.h. The outer check ensures that
655 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
656 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
657 # linkage check is enough, yet C++ code requires proper prototypes.)
658 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
659 AC_CHECK_FUNCS(gethostbyaddr_r, [
660 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
661 # There are two different kinds of gethostbyaddr_r.
662 # We look for the one that returns `int'.
663 # Hopefully this check is robust enough.
664 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
665 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
667 AC_CHECK_FUNCS(gethostname, [
668 AC_DEFINE(HAVE_GETHOSTNAME)
669 AC_EGREP_HEADER(gethostname, unistd.h, [
670 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
672 # Look for these functions in the thread library, but only bother
673 # if using POSIX threads.
674 if test "$THREADS" = posix; then
676 LIBS="$LIBS $THREADLIBS"
677 # Some POSIX thread systems don't have pthread_mutexattr_settype.
679 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
681 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
682 # Solaris 7 the name librt is preferred.
683 AC_CHECK_FUNCS(sched_yield, , [
684 AC_CHECK_LIB(rt, sched_yield, [
685 AC_DEFINE(HAVE_SCHED_YIELD)
686 THREADLIBS="$THREADLIBS -lrt"
687 THREADSPEC="$THREADSPEC -lrt"], [
688 AC_CHECK_LIB(posix4, sched_yield, [
689 AC_DEFINE(HAVE_SCHED_YIELD)
690 THREADLIBS="$THREADLIBS -lposix4"
691 THREADSPEC="$THREADSPEC -lposix4"])])])
694 # We can save a little space at runtime if the mutex has m_count
695 # or __m_count. This is a nice hack for Linux.
696 AC_TRY_COMPILE([#include <pthread.h>], [
697 extern pthread_mutex_t *mutex; int q = mutex->m_count;
698 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
699 AC_TRY_COMPILE([#include <pthread.h>], [
700 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
701 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
704 # We require a way to get the time.
706 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
707 if test "$time_found" = no; then
708 AC_MSG_ERROR([no function found to get the time])
711 AC_CHECK_FUNCS(memmove)
715 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
716 if test "$memcpy_found" = no; then
717 AC_MSG_ERROR([memcpy is required])
720 AC_CHECK_LIB(dl, dlopen, [
721 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
723 # Some library-finding code we stole from Tcl.
724 #--------------------------------------------------------------------
725 # Check for the existence of the -lsocket and -lnsl libraries.
726 # The order here is important, so that they end up in the right
727 # order in the command line generated by make. Here are some
728 # special considerations:
729 # 1. Use "connect" and "accept" to check for -lsocket, and
730 # "gethostbyname" to check for -lnsl.
731 # 2. Use each function name only once: can't redo a check because
732 # autoconf caches the results of the last check and won't redo it.
733 # 3. Use -lnsl and -lsocket only if they supply procedures that
734 # aren't already present in the normal libraries. This is because
735 # IRIX 5.2 has libraries, but they aren't needed and they're
736 # bogus: they goof up name resolution if used.
737 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
738 # To get around this problem, check for both libraries together
739 # if -lsocket doesn't work by itself.
740 #--------------------------------------------------------------------
742 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
745 unset ac_cv_func_connect
746 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
747 if test "$gcj_checkSocket" = 1; then
748 unset ac_cv_func_connect
749 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
752 if test "$gcj_checkBoth" = 1; then
754 LIBS="$LIBS -lsocket -lnsl"
755 unset ac_cv_func_accept
756 AC_CHECK_FUNC(accept,
758 gcj_cv_lib_sockets="-lsocket -lnsl"])
759 unset ac_cv_func_accept
762 unset ac_cv_func_gethostbyname
764 LIBS="$LIBS $gcj_cv_lib_sockets"
765 AC_CHECK_FUNC(gethostbyname, ,
766 [AC_CHECK_LIB(nsl, main,
767 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
768 unset ac_cv_func_gethostbyname
771 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
773 if test "$with_system_zlib" = yes; then
774 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
777 # Test for Gtk stuff, if asked for.
778 if test "$use_gtk_awt" = yes; then
779 AM_PATH_GTK(1.2.4,,exit 1)
780 AM_PATH_GLIB(1.2.4,,exit 1,gthread)
781 dnl XXX Fix me when libart.m4 has the compile test fixed!
783 AM_PATH_LIBART(2.1.0,,exit 1)
786 # On Solaris, and maybe other architectures, the Boehm collector
788 if test "$GC" = boehm; then
789 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
792 if test -z "${with_multisubdir}"; then
796 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
799 if test -x "${builddotdot}/../../gcc/gcj"; then
800 dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
801 GCJ="$dir/gcj -B`${PWDCMD-pwd}`/ -B$dir/"
805 GCJ="gcj -B`${PWDCMD-pwd}`/"
809 # Create it, so that compile/link tests don't fail
810 test -f libgcj.spec || touch libgcj.spec
812 # We must search the source tree for java.lang, since we still don't
813 # have libgcj.jar nor java/lang/*.class
814 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
815 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
817 # Since some classes depend on this one, we need its source available
818 # before we can do any GCJ compilation test :-(
819 if test ! -f gnu/classpath/Configuration.java; then
820 test -d gnu || mkdir gnu
821 test -d gnu/classpath || mkdir gnu/classpath
822 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
823 -e 's,@TOOLKIT@,$TOOLKIT,' \
824 < $srcdir/gnu/classpath/Configuration.java.in \
825 > gnu/classpath/Configuration.java
826 # We do not want to redirect the output of the grep below to /dev/null,
827 # but we add /dev/null to the input list so that grep will print the
828 # filename of Configuration.java in case it finds any matches.
829 if grep @ gnu/classpath/Configuration.java /dev/null; then
830 AC_MSG_ERROR([configure.in is missing the substitutions above])
836 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
838 AC_COMPILE_CHECK_SIZEOF(void *)
844 if test -z "$ZLIBSPEC"; then
845 # Use zlib from the GCC tree.
846 ZINCS='-I$(top_srcdir)/../zlib'
847 ZLIBS=../zlib/libzgcj_convenience.la
850 SYS_ZLIBS="$ZLIBSPEC"
856 AC_SUBST(CHECKREFSPEC)
857 AC_SUBST(EXCEPTIONSPEC)
860 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
861 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
862 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
863 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
864 AC_SUBST(GCC_UNWIND_INCLUDE)
866 if test -n "$with_cross_host" &&
867 test x"$with_cross_host" != x"no"; then
868 toolexecdir='$(exec_prefix)/$(target_alias)'
869 toolexecmainlibdir='$(toolexecdir)/lib'
871 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
872 toolexecmainlibdir='$(libdir)'
874 toolexeclibdir=$toolexecmainlibdir/`$CC -print-multi-os-directory`
875 AC_SUBST(toolexecdir)
876 AC_SUBST(toolexecmainlibdir)
877 AC_SUBST(toolexeclibdir)
879 # Determine gcj version number.
881 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
883 GCJVERSION=$gcjversion
885 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
887 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
888 AC_MSG_CHECKING([for g++ -ffloat-store bug])
889 save_CFLAGS="$CFLAGS"
890 CFLAGS="-x c++ -O2 -ffloat-store"
891 AC_TRY_COMPILE([#include <math.h>], ,
893 [AC_DEFINE(__NO_MATH_INLINES)
895 CFLAGS="$save_CFLAGS"
897 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
898 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
899 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
900 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)
901 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
902 dnl for now. If you change this, you also must update natFile.cc.
903 AC_CHECK_HEADERS(dirent.h)
904 AC_CHECK_HEADERS(inttypes.h, [
905 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
906 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
910 AC_CHECK_TYPE([ssize_t], [int])
912 AC_MSG_CHECKING([for in_addr_t])
913 AC_TRY_COMPILE([#include <sys/types.h>
918 #if HAVE_NETINET_IN_H
919 #include <netinet/in.h>
920 #endif], [in_addr_t foo;],
921 [AC_DEFINE([HAVE_IN_ADDR_T])
925 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
926 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
927 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
931 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
932 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
933 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
937 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
938 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
939 [AC_DEFINE(HAVE_INET6)
943 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
944 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
945 #include <sys/types.h>
946 #include <sys/socket.h>], [socklen_t x = 5;],
947 [AC_DEFINE(HAVE_SOCKLEN_T)
951 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
952 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
953 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
956 AC_MSG_CHECKING([for global timezone variable])
957 dnl FIXME: we don't want a link check here because that won't work
958 dnl when cross-compiling. So instead we make an assumption that
959 dnl the header file will mention timezone if it exists.
960 dnl Don't find the win32 function timezone
961 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
962 [AC_DEFINE(HAVE_TIMEZONE)
965 AC_MSG_CHECKING([for global _timezone variable])
966 dnl FIXME: As above, don't want link check
967 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
968 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE)
970 [AC_MSG_RESULT(no)])])])
974 AC_CHECK_PROGS(PERL, perl, false)
980 SIGNAL_HANDLER=include/i386-signal.h
983 SIGNAL_HANDLER=include/sparc-signal.h
986 # SYSDEP_SOURCES=sysdep/ia64.c
987 # test -d sysdep || mkdir sysdep
990 SIGNAL_HANDLER=include/dwarf2-signal.h
993 SIGNAL_HANDLER=include/dwarf2-signal.h
996 SIGNAL_HANDLER=include/dwarf2-signal.h
999 SIGNAL_HANDLER=include/s390-signal.h
1002 SIGNAL_HANDLER=include/x86_64-signal.h
1005 SIGNAL_HANDLER=include/dwarf2-signal.h
1007 sh-*-linux* | sh[[34]]*-*-linux*)
1008 SIGNAL_HANDLER=include/dwarf2-signal.h
1011 SIGNAL_HANDLER=include/win32-signal.h
1014 SIGNAL_HANDLER=include/default-signal.h
1018 # If we're using sjlj exceptions, forget what we just learned.
1019 if test "$enable_sjlj_exceptions" = yes; then
1020 SIGNAL_HANDLER=include/default-signal.h
1023 # Define here any compiler flags that you need in order to make backtrace() work.
1027 BACKTRACESPEC=-fno-omit-frame-pointer
1030 AC_SUBST(BACKTRACESPEC)
1032 AC_SUBST(SYSDEP_SOURCES)
1034 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
1036 if test "${multilib}" = "yes"; then
1037 multilib_arg="--enable-multilib"
1044 here=`${PWDCMD-pwd}`
1047 # We get this from the environment.
1050 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1051 [# Only add multilib support code if we just rebuilt top-level Makefile.
1052 case " $CONFIG_FILES " in
1054 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1055 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1059 # Make subdirectories and `.d' files. Look in both srcdir and
1060 # builddir for the .java files.
1063 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1064 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1065 fgrep -v testsuite | \
1066 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1068 echo "include $f" >> deps.mk
1071 d=`echo $f | sed -e 's,/[^/]*$,,'`
1073 if test ! -d $d; then
1074 $libgcj_basedir/../mkinstalldirs $d
1083 with_multisubdir=${with_multisubdir}
1084 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1085 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1086 libgcj_basedir=${libgcj_basedir}
1089 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"