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 $srcdir/testsuite)
45 dnl Should the runtime set system properties by examining the
46 dnl environment variable GCJ_PROPERTIES?
47 AC_ARG_ENABLE(getenv-properties,
48 [ --disable-getenv-properties
49 don't set system properties from GCJ_PROPERTIES])
51 dnl Whether GCJ_PROPERTIES is used depends on the target.
52 if test -z "$enable_getenv_properties"; then
53 enable_getenv_properties=${enable_getenv_properties_default-yes}
55 if test "$enable_getenv_properties" = no; then
56 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
59 dnl Whether we should use arguments to main()
60 if test -z "$enable_main_args"; then
61 enable_main_args=${enable_main_args_default-yes}
63 if test "$enable_main_args" = no; then
64 AC_DEFINE(DISABLE_MAIN_ARGS)
68 dnl Should we use hashtable-based synchronization?
69 dnl Currently works only for Linux X86/ia64
70 dnl Typically faster and more space-efficient
71 AC_ARG_ENABLE(hash-synchronization,
72 [ --enable-hash-synchronization
73 Use global hash table for monitor locks])
75 if test -z "$enable_hash_synchronization"; then
76 enable_hash_synchronization=$enable_hash_synchronization_default
79 dnl configure.host sets slow_pthread_self if the synchronization code should
80 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
81 if test "${slow_pthread_self}" = "yes"; then
82 AC_DEFINE(SLOW_PTHREAD_SELF)
86 dnl See if the user has requested runtime debugging.
89 AC_ARG_ENABLE(libgcj-debug,
90 [ --enable-libgcj-debug enable runtime debugging code],
91 if test "$enable_libgcj_debug" = yes; then
96 dnl See if the user has the interpreter included.
97 AC_ARG_ENABLE(interpreter,
98 [ --enable-interpreter enable interpreter],
99 if test "$enable_interpreter" = yes; then
100 # This can also be set in configure.host.
101 libgcj_interpreter=yes
102 elif test "$enable_interpreter" = no; then
103 libgcj_interpreter=no
106 if test "$libgcj_interpreter" = yes; then
107 AC_DEFINE(INTERPRETER)
110 AC_MSG_CHECKING([for exception model to use])
113 AC_ARG_ENABLE(sjlj-exceptions,
114 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
116 [dnl Botheration. Now we've got to detect the exception model.
117 dnl Link tests against libgcc.a are problematic since -- at least
118 dnl as of this writing -- we've not been given proper -L bits for
119 dnl single-tree newlib and libgloss.
121 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
122 dnl conftest files before we got a change to grep them first.
123 cat > conftest.$ac_ext << EOF
124 [#]line __oline__ "configure"
133 old_CXXFLAGS="$CXXFLAGS"
135 if AC_TRY_EVAL(ac_compile); then
136 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
137 enable_sjlj_exceptions=yes
138 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
139 enable_sjlj_exceptions=no
142 CXXFLAGS="$old_CXXFLAGS"
144 if test x$enable_sjlj_exceptions = xyes; then
145 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
146 [Define if the compiler is configured for setjmp/longjmp exceptions.])
147 ac_exception_model_name=sjlj
148 elif test x$enable_sjlj_exceptions = xno; then
149 ac_exception_model_name="call frame"
151 AC_MSG_ERROR([unable to detect exception model])
154 AC_MSG_RESULT($ac_exception_model_name)
156 dnl See if the user wants to disable java.net. This is the mildly
157 dnl ugly way that we admit that target-side configuration sucks.
158 AC_ARG_ENABLE(java-net,
159 [ --disable-java-net disable java.net])
161 dnl Whether java.net is built by default can depend on the target.
162 if test -z "$enable_java_net"; then
163 enable_java_net=${enable_java_net_default-yes}
165 if test "$enable_java_net" = no; then
166 AC_DEFINE(DISABLE_JAVA_NET)
169 dnl See if the user wants to configure without libffi. Some
170 dnl architectures don't support it, and default values are set in
173 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
177 if test "$with_libffi" != no; then
178 AC_DEFINE(USE_LIBFFI)
179 LIBFFI=../libffi/libfficonvenience.la
180 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
185 dnl See if the user wants to disable JVMPI support.
187 [ --disable-jvmpi disable JVMPI support])
189 if test "$enable_jvmpi" != no; then
190 AC_DEFINE(ENABLE_JVMPI)
193 dnl If the target is an eCos system, use the appropriate eCos
195 dnl FIXME: this should not be a local option but a global target
196 dnl system; at present there is no eCos target.
197 TARGET_ECOS=${PROCESS-"no"}
199 [ --with-ecos enable runtime eCos target support],
200 TARGET_ECOS="$with_ecos"
204 case "$TARGET_ECOS" in
208 PLATFORMOBJS=win32.lo
213 PLATFORMOBJS=posix.lo
221 PLATFORMOBJS=posix.lo
225 AC_SUBST(PLATFORMOBJS)
226 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
228 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
229 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
230 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
231 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
234 dnl These may not be defined in a non-ANS conformant embedded system.
235 dnl FIXME: Should these case a runtime exception in that case?
236 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
237 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
239 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
240 dnl to create the link will fail.
241 test -d java || mkdir java
242 test -d java/io || mkdir java/io
243 test -d gnu || mkdir gnu
244 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
245 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
247 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
248 test -d java/lang || mkdir java/lang
249 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
250 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
254 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
262 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
263 AC_SUBST(LIBGCJTESTSPEC)
265 AC_ARG_WITH(system-zlib,
266 [ --with-system-zlib use installed libz])
270 AC_SUBST(ZLIBTESTSPEC)
272 dnl FIXME: this should be _libs on some hosts.
275 dnl Allow the GC to be disabled. Can be useful when debugging.
276 AC_MSG_CHECKING([for garbage collector to use])
277 AC_ARG_ENABLE(java-gc,
278 changequote(<<,>>)dnl
279 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
293 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
294 # We include the path to the boehm-gc build directory.
295 # See Makefile.am to understand why.
296 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
297 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
299 JC1GCSPEC='-fuse-boehm-gc'
300 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
301 dnl We also want to pick up some cpp flags required when including
302 dnl boehm-config.h. Yuck.
303 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
306 dnl The POSIX thread support needs to know this.
307 AC_DEFINE(HAVE_BOEHM_GC)
315 AC_MSG_ERROR(unrecognized collector \"$GC\")
325 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
328 AC_MSG_CHECKING([for thread model used by GCC])
329 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
330 AC_MSG_RESULT([$THREADS])
340 AC_DEFINE(LINUX_THREADS)
346 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
347 AC_MSG_ERROR(thread package $THREADS not yet supported)
350 AC_MSG_ERROR($THREADS is an unknown thread package)
364 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
369 # Before FreeBSD 5, it didn't have -lpthread (or any library which
370 # merely adds pthread_* functions) but it does have a -pthread switch
371 # which is required at link-time to select -lc_r *instead* of -lc.
373 # Don't set THREADSPEC here as might be expected since -pthread is
374 # not processed when found within a spec file, it must come from
375 # the command line. For now, the user must provide the -pthread
376 # switch to link code compiled with gcj. In future, consider adding
377 # support for weak references to pthread_* functions ala gthr.h API.
378 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
381 # FreeBSD 5 implements a model much closer to other modern UNIX
382 # which support threads. However, it still does not support
392 THREADOBJS=posix-threads.lo
393 THREADH=posix-threads.h
394 # MIT pthreads doesn't seem to have the mutexattr functions.
395 # But for now we don't check for it. We just assume you aren't
396 # using MIT pthreads.
397 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
399 # If we're using the Boehm GC, then we happen to know that it
400 # defines _REENTRANT, so we don't bother. Eww.
401 if test "$GC" != boehm; then
402 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
404 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
408 THREADOBJS=win32-threads.lo
409 THREADH=win32-threads.h
413 THREADOBJS=no-threads.lo
417 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
424 AC_LINK_FILES(sysdep/$sysdeps_dir, sysdep)
427 # Hash synchronization is only useful with posix threads right now.
428 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
429 HASH_SYNC_SPEC=-fhash-synchronization
430 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
432 AC_SUBST(HASH_SYNC_SPEC)
435 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
441 # We're in the tree with gcc, and need to include some of its headers.
442 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
444 # Figure out where generated headers like libgcj-config.h get installed.
446 gcc_version_trigger=${srcdir}/../gcc/version.c
447 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
448 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
449 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
451 AC_SUBST(tool_include_dir)
453 if test -n "${with_cross_host}"; then
454 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
455 # may not work correctly, because the compiler may not be able to
458 # We assume newlib. This lets us hard-code the functions we know
460 AC_DEFINE(HAVE_MEMMOVE)
461 AC_DEFINE(HAVE_MEMCPY)
462 AC_DEFINE(HAVE_STRERROR)
464 AC_DEFINE(HAVE_GMTIME_R)
465 AC_DEFINE(HAVE_LOCALTIME_R)
466 dnl This is only for POSIX threads.
467 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
468 dnl We also assume we are using gcc, which provides alloca.
469 AC_DEFINE(HAVE_ALLOCA)
471 dnl Assume we do not have getuid and friends.
475 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
477 # If Canadian cross, then don't pick up tools from the build
479 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
482 GCJ="${target_alias}-gcj"
486 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
487 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
488 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
489 AC_CHECK_FUNCS(nl_langinfo setlocale)
490 AC_CHECK_FUNCS(inet_aton inet_addr, break)
491 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
492 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
493 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
494 AC_CHECK_LIB(dl, dladdr, [
495 AC_DEFINE(HAVE_DLADDR)])
496 AC_CHECK_FILES(/proc/self/exe, [
497 AC_DEFINE(HAVE_PROC_SELF_EXE)])
503 AC_CHECK_FUNCS(gethostbyname_r, [
504 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
505 # There are two different kinds of gethostbyname_r.
506 # We look for the one that returns `int'.
507 # Hopefully this check is robust enough.
508 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
509 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
512 *" -D_REENTRANT "*) ;;
514 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
515 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
516 [libjava_cv_gethostbyname_r_needs_reentrant],
519 AC_TRY_COMPILE([#include <netdb.h>],
520 [gethostbyname_r("", 0, 0);],
521 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
522 CPPFLAGS_SAVE="$CPPFLAGS"
523 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
524 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
525 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
526 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
527 CPPFLAGS="$CPPFLAGS_SAVE"
531 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
532 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
537 AC_CACHE_CHECK([for struct hostent_data],
538 [libjava_cv_struct_hostent_data], [dnl
540 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
541 # define _REENTRANT 1
543 #include <netdb.h>], [struct hostent_data data;],
544 [libjava_cv_struct_hostent_data=yes],
545 [libjava_cv_struct_hostent_data=no])])
546 if test "x$libjava_cv_struct_hostent_data" = xyes; then
547 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
548 [Define if struct hostent_data is defined in netdb.h])
552 # FIXME: libjava source code expects to find a prototype for
553 # gethostbyaddr_r in netdb.h. The outer check ensures that
554 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
555 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
556 # linkage check is enough, yet C++ code requires proper prototypes.)
557 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
558 AC_CHECK_FUNCS(gethostbyaddr_r, [
559 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
560 # There are two different kinds of gethostbyaddr_r.
561 # We look for the one that returns `int'.
562 # Hopefully this check is robust enough.
563 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
564 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
566 AC_CHECK_FUNCS(gethostname, [
567 AC_DEFINE(HAVE_GETHOSTNAME)
568 AC_EGREP_HEADER(gethostname, unistd.h, [
569 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
571 # Look for these functions in the thread library, but only bother
572 # if using POSIX threads.
573 if test "$THREADS" = posix; then
575 LIBS="$LIBS $THREADLIBS"
576 # Some POSIX thread systems don't have pthread_mutexattr_settype.
578 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
580 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
581 # Solaris 7 the name librt is preferred.
582 AC_CHECK_FUNCS(sched_yield, , [
583 AC_CHECK_LIB(rt, sched_yield, [
584 AC_DEFINE(HAVE_SCHED_YIELD)
585 THREADLIBS="$THREADLIBS -lrt"
586 THREADSPEC="$THREADSPEC -lrt"], [
587 AC_CHECK_LIB(posix4, sched_yield, [
588 AC_DEFINE(HAVE_SCHED_YIELD)
589 THREADLIBS="$THREADLIBS -lposix4"
590 THREADSPEC="$THREADSPEC -lposix4"])])])
593 # We can save a little space at runtime if the mutex has m_count
594 # or __m_count. This is a nice hack for Linux.
595 AC_TRY_COMPILE([#include <pthread.h>], [
596 extern pthread_mutex_t *mutex; int q = mutex->m_count;
597 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
598 AC_TRY_COMPILE([#include <pthread.h>], [
599 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
600 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
603 # We require a way to get the time.
605 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
606 if test "$time_found" = no; then
607 AC_MSG_ERROR([no function found to get the time])
610 AC_CHECK_FUNCS(memmove)
614 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
615 if test "$memcpy_found" = no; then
616 AC_MSG_ERROR([memcpy is required])
619 AC_CHECK_LIB(dl, dlopen, [
620 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
622 # Some library-finding code we stole from Tcl.
623 #--------------------------------------------------------------------
624 # Check for the existence of the -lsocket and -lnsl libraries.
625 # The order here is important, so that they end up in the right
626 # order in the command line generated by make. Here are some
627 # special considerations:
628 # 1. Use "connect" and "accept" to check for -lsocket, and
629 # "gethostbyname" to check for -lnsl.
630 # 2. Use each function name only once: can't redo a check because
631 # autoconf caches the results of the last check and won't redo it.
632 # 3. Use -lnsl and -lsocket only if they supply procedures that
633 # aren't already present in the normal libraries. This is because
634 # IRIX 5.2 has libraries, but they aren't needed and they're
635 # bogus: they goof up name resolution if used.
636 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
637 # To get around this problem, check for both libraries together
638 # if -lsocket doesn't work by itself.
639 #--------------------------------------------------------------------
641 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
644 unset ac_cv_func_connect
645 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
646 if test "$gcj_checkSocket" = 1; then
647 unset ac_cv_func_connect
648 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
651 if test "$gcj_checkBoth" = 1; then
653 LIBS="$LIBS -lsocket -lnsl"
654 unset ac_cv_func_accept
655 AC_CHECK_FUNC(accept,
657 gcj_cv_lib_sockets="-lsocket -lnsl"])
658 unset ac_cv_func_accept
661 unset ac_cv_func_gethostbyname
663 LIBS="$LIBS $gcj_cv_lib_sockets"
664 AC_CHECK_FUNC(gethostbyname, ,
665 [AC_CHECK_LIB(nsl, main,
666 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
667 unset ac_cv_func_gethostbyname
670 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
672 if test "$with_system_zlib" = yes; then
673 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
676 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
679 # On Solaris, and maybe other architectures, the Boehm collector
681 if test "$GC" = boehm; then
682 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
685 if test -z "${with_multisubdir}"; then
689 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
692 if test -x "${builddotdot}/../../gcc/gcj"; then
693 dir="`cd ${builddotdot}/../../gcc && pwd`"
694 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
702 # Create it, so that compile/link tests don't fail
703 test -f libgcj.spec || touch libgcj.spec
705 # We must search the source tree for java.lang, since we still don't
706 # have libgcj.jar nor java/lang/*.class
707 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
708 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
710 # Since some classes depend on this one, we need its source available
711 # before we can do any GCJ compilation test :-(
712 if test ! -f gnu/classpath/Configuration.java; then
713 test -d gnu || mkdir gnu
714 test -d gnu/classpath || mkdir gnu/classpath
715 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
716 < $srcdir/gnu/classpath/Configuration.java.in \
717 > gnu/classpath/Configuration.java
718 # We do not want to redirect the output of the grep below to /dev/null,
719 # but we add /dev/null to the input list so that grep will print the
720 # filename of Configuration.java in case it finds any matches.
721 if grep @ gnu/classpath/Configuration.java /dev/null; then
722 AC_MSG_ERROR([configure.in is missing the substitutions above])
728 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
730 AC_COMPILE_CHECK_SIZEOF(void *)
735 if test "x$ZLIBSPEC" = "x-lzgcj"; then
736 # We include the path to the zlib build directory.
737 # See Makefile.am to understand why.
738 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
739 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
740 ZINCS='-I$(top_srcdir)/../zlib'
748 AC_SUBST(EXCEPTIONSPEC)
750 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
751 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
752 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
753 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
754 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
755 AC_SUBST(GCC_UNWIND_INCLUDE)
757 AC_SUBST(AM_RUNTESTFLAGS)
759 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
760 AC_MSG_CHECKING([for g++ -ffloat-store bug])
761 save_CFLAGS="$CFLAGS"
762 CFLAGS="-x c++ -O2 -ffloat-store"
763 AC_TRY_COMPILE([#include <math.h>], ,
765 [AC_DEFINE(__NO_MATH_INLINES)
767 CFLAGS="$save_CFLAGS"
769 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
770 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
771 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
772 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)
773 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
774 dnl for now. If you change this, you also must update natFile.cc.
775 AC_CHECK_HEADERS(dirent.h)
776 AC_CHECK_HEADERS(inttypes.h, [
777 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
778 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
782 AC_CHECK_TYPE([ssize_t], [int])
784 AC_MSG_CHECKING([for in_addr_t])
785 AC_TRY_COMPILE([#include <sys/types.h>
790 #if HAVE_NETINET_IN_H
791 #include <netinet/in.h>
792 #endif], [in_addr_t foo;],
793 [AC_DEFINE([HAVE_IN_ADDR_T])
797 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
798 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
799 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
803 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
804 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
805 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
809 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
810 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
811 [AC_DEFINE(HAVE_INET6)
815 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
816 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
817 #include <sys/types.h>
818 #include <sys/socket.h>], [socklen_t x = 5;],
819 [AC_DEFINE(HAVE_SOCKLEN_T)
823 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
824 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
825 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
828 AC_MSG_CHECKING([for global timezone variable])
829 dnl FIXME: we don't want a link check here because that won't work
830 dnl when cross-compiling. So instead we make an assumption that
831 dnl the header file will mention timezone if it exists.
832 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
833 [AC_DEFINE(HAVE_TIMEZONE)
835 [AC_MSG_RESULT(no)])])
839 AC_CHECK_PROGS(PERL, perl, false)
845 SIGNAL_HANDLER=include/i386-signal.h
848 SIGNAL_HANDLER=include/sparc-signal.h
851 # SYSDEP_SOURCES=sysdep/ia64.c
852 # test -d sysdep || mkdir sysdep
855 SIGNAL_HANDLER=include/dwarf2-signal.h
858 SIGNAL_HANDLER=include/dwarf2-signal.h
861 SIGNAL_HANDLER=include/win32-signal.h
864 SIGNAL_HANDLER=include/default-signal.h
868 # If we're using sjlj exceptions, forget what we just learned.
869 if test "$enable_sjlj_exceptions" = yes; then
870 SIGNAL_HANDLER=include/default-signal.h
873 AC_SUBST(SYSDEP_SOURCES)
875 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
877 if test "${multilib}" = "yes"; then
878 multilib_arg="--enable-multilib"
885 dnl Determine which AWT peer libraries to build
886 AC_ARG_ENABLE(java-awt,
887 [ --enable-java-awt list of AWT peer implementations to be built])
889 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
893 for peer in $peerlibs ; do
896 if [test "$no_x" = yes]; then
897 echo "*** xlib peers requested but no X library available" 1>&2
912 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
917 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
918 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
924 # We get this from the environment.
927 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
928 [# Only add multilib support code if we just rebuilt top-level Makefile.
929 case " $CONFIG_FILES " in
931 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
935 # Make subdirectories and `.d' files. Look in both srcdir and
936 # builddir for the .java files.
939 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
940 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
941 fgrep -v testsuite | \
942 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
944 echo "include $f" >> deps.mk
947 d=`echo $f | sed -e 's,/[^/]*$,,'`
949 if test ! -d $d; then
950 $libgcj_basedir/../mkinstalldirs $d
959 with_multisubdir=${with_multisubdir}
960 ac_configure_args="${multilib_arg} ${ac_configure_args}"
961 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
962 libgcj_basedir=${libgcj_basedir}