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=$LD
12 dnl We use these options to decide which functions to include.
13 AC_ARG_WITH(target-subdir,
14 [ --with-target-subdir=SUBDIR
15 configuring in a subdirectory])
16 AC_ARG_WITH(cross-host,
17 [ --with-cross-host=HOST configuring with a cross compiler])
21 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
23 # Only use libltdl for native builds.
24 if test -z "${with_cross_host}"; then
25 AC_LIBLTDL_CONVENIENCE
29 # Sigh. Libtool's macro doesn't do the right thing.
30 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
31 # FIXME: this is a hack.
32 sub_auxdir="`cd $ac_aux_dir && pwd`"
33 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
39 AC_CONFIG_SUBDIRS($DIRLTDL)
41 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
48 dnl The -no-testsuite modules omit the test subdir.
49 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
51 dnl Should the runtime set system properties by examining the
52 dnl environment variable GCJ_PROPERTIES?
53 AC_ARG_ENABLE(getenv-properties,
54 [ --disable-getenv-properties
55 don't set system properties from GCJ_PROPERTIES])
57 dnl Whether GCJ_PROPERTIES is used depends on the target.
58 if test -z "$enable_getenv_properties"; then
59 enable_getenv_properties=${enable_getenv_properties_default-yes}
61 if test "$enable_getenv_properties" = no; then
62 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
65 dnl Whether we should use arguments to main()
66 if test -z "$enable_main_args"; then
67 enable_main_args=${enable_main_args_default-yes}
69 if test "$enable_main_args" = no; then
70 AC_DEFINE(DISABLE_MAIN_ARGS)
74 dnl Should we use hashtable-based synchronization?
75 dnl Currently works only for Linux X86/ia64
76 dnl Typically faster and more space-efficient
77 AC_ARG_ENABLE(hash-synchronization,
78 [ --enable-hash-synchronization
79 Use global hash table for monitor locks])
81 if test -z "$enable_hash_synchronization"; then
82 enable_hash_synchronization=$enable_hash_synchronization_default
85 dnl configure.host sets slow_pthread_self if the synchronization code should
86 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
87 if test "${slow_pthread_self}" = "yes"; then
88 AC_DEFINE(SLOW_PTHREAD_SELF)
92 dnl See if the user has requested runtime debugging.
95 AC_ARG_ENABLE(libgcj-debug,
96 [ --enable-libgcj-debug enable runtime debugging code],
97 if test "$enable_libgcj_debug" = yes; then
102 dnl See if the user has the interpreter included.
103 AC_ARG_ENABLE(interpreter,
104 [ --enable-interpreter enable interpreter],
105 if test "$enable_interpreter" = yes; then
106 # This can also be set in configure.host.
107 libgcj_interpreter=yes
108 elif test "$enable_interpreter" = no; then
109 libgcj_interpreter=no
112 if test "$libgcj_interpreter" = yes; then
113 AC_DEFINE(INTERPRETER)
116 AC_MSG_CHECKING([for exception model to use])
119 AC_ARG_ENABLE(sjlj-exceptions,
120 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
122 [dnl Botheration. Now we've got to detect the exception model.
123 dnl Link tests against libgcc.a are problematic since -- at least
124 dnl as of this writing -- we've not been given proper -L bits for
125 dnl single-tree newlib and libgloss.
127 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
128 dnl conftest files before we got a change to grep them first.
129 cat > conftest.$ac_ext << EOF
130 [#]line __oline__ "configure"
139 old_CXXFLAGS="$CXXFLAGS"
141 if AC_TRY_EVAL(ac_compile); then
142 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
143 enable_sjlj_exceptions=yes
144 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
145 enable_sjlj_exceptions=no
148 CXXFLAGS="$old_CXXFLAGS"
150 if test x$enable_sjlj_exceptions = xyes; then
151 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
152 [Define if the compiler is configured for setjmp/longjmp exceptions.])
153 ac_exception_model_name=sjlj
154 elif test x$enable_sjlj_exceptions = xno; then
155 ac_exception_model_name="call frame"
157 AC_MSG_ERROR([unable to detect exception model])
160 AC_MSG_RESULT($ac_exception_model_name)
162 # If we are non using SJLJ exceptions, and this host does not have support
163 # for unwinding from a signal handler, enable checked dereferences and divides.
164 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
165 CHECKREFSPEC=-fcheck-references
166 DIVIDESPEC=-fuse-divide-subroutine
170 dnl See if the user wants to disable java.net. This is the mildly
171 dnl ugly way that we admit that target-side configuration sucks.
172 AC_ARG_ENABLE(java-net,
173 [ --disable-java-net disable java.net])
175 dnl Whether java.net is built by default can depend on the target.
176 if test -z "$enable_java_net"; then
177 enable_java_net=${enable_java_net_default-yes}
179 if test "$enable_java_net" = no; then
180 AC_DEFINE(DISABLE_JAVA_NET)
183 dnl See if the user wants to configure without libffi. Some
184 dnl architectures don't support it, and default values are set in
187 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
191 if test "$with_libffi" != no; then
192 AC_DEFINE(USE_LIBFFI)
193 LIBFFI=../libffi/libffi_convenience.la
194 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
199 dnl See if the user wants to disable JVMPI support.
201 [ --disable-jvmpi disable JVMPI support])
203 if test "$enable_jvmpi" != no; then
204 AC_DEFINE(ENABLE_JVMPI)
207 dnl If the target is an eCos system, use the appropriate eCos
209 dnl FIXME: this should not be a local option but a global target
210 dnl system; at present there is no eCos target.
211 TARGET_ECOS=${PROCESS-"no"}
213 [ --with-ecos enable runtime eCos target support],
214 TARGET_ECOS="$with_ecos"
218 case "$TARGET_ECOS" in
222 PLATFORMOBJS=win32.lo
227 PLATFORMOBJS=posix.lo
235 PLATFORMOBJS=posix.lo
239 AC_SUBST(PLATFORMOBJS)
240 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
242 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
243 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
244 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
245 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
248 dnl These may not be defined in a non-ANS conformant embedded system.
249 dnl FIXME: Should these case a runtime exception in that case?
250 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
251 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
253 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
254 dnl to create the link will fail.
255 test -d java || mkdir java
256 test -d java/io || mkdir java/io
257 test -d gnu || mkdir gnu
258 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
259 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
261 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
262 test -d java/lang || mkdir java/lang
263 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
264 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
268 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
276 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
277 AC_SUBST(LIBGCJTESTSPEC)
279 AC_ARG_WITH(system-zlib,
280 [ --with-system-zlib use installed libz])
284 AC_SUBST(ZLIBTESTSPEC)
286 dnl FIXME: this should be _libs on some hosts.
289 dnl Allow the GC to be disabled. Can be useful when debugging.
290 AC_MSG_CHECKING([for garbage collector to use])
291 AC_ARG_ENABLE(java-gc,
292 changequote(<<,>>)dnl
293 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
307 GCLIBS=../boehm-gc/libgcjgc_convenience.la
308 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
309 JC1GCSPEC='-fuse-boehm-gc'
310 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
312 dnl We also want to pick up some cpp flags required when including
313 dnl boehm-config.h. Yuck.
314 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
317 dnl The POSIX thread support needs to know this.
318 AC_DEFINE(HAVE_BOEHM_GC)
326 AC_MSG_ERROR(unrecognized collector \"$GC\")
336 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
339 AC_MSG_CHECKING([for thread model used by GCC])
340 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
341 AC_MSG_RESULT([$THREADS])
351 AC_DEFINE(LINUX_THREADS)
357 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
358 AC_MSG_ERROR(thread package $THREADS not yet supported)
361 AC_MSG_ERROR($THREADS is an unknown thread package)
376 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
381 # Before FreeBSD 5, it didn't have -lpthread (or any library which
382 # merely adds pthread_* functions) but it does have a -pthread switch
383 # which is required at link-time to select -lc_r *instead* of -lc.
384 THREADLDFLAGS=-pthread
385 # Don't set THREADSPEC here as might be expected since -pthread is
386 # not processed when found within a spec file, it must come from
387 # the command line. For now, the user must provide the -pthread
388 # switch to link code compiled with gcj. In future, consider adding
389 # support for weak references to pthread_* functions ala gthr.h API.
390 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
393 # FreeBSD 5 implements a model much closer to other modern UNIX
394 # which support threads. However, it still does not support
396 THREADLDFLAGS=-pthread
404 THREADOBJS=posix-threads.lo
405 THREADH=posix-threads.h
406 # MIT pthreads doesn't seem to have the mutexattr functions.
407 # But for now we don't check for it. We just assume you aren't
408 # using MIT pthreads.
409 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
411 # If we're using the Boehm GC, then we happen to know that it
412 # defines _REENTRANT, so we don't bother. Eww.
413 if test "$GC" != boehm; then
414 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
416 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
420 THREADOBJS=win32-threads.lo
421 THREADH=win32-threads.h
425 THREADOBJS=no-threads.lo
429 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
435 AC_SUBST(THREADLDFLAGS)
437 if test -d sysdep; then true; else mkdir sysdep; fi
438 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
441 # Hash synchronization is only useful with posix threads right now.
442 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
443 HASH_SYNC_SPEC=-fhash-synchronization
444 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
446 AC_SUBST(HASH_SYNC_SPEC)
449 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
455 # We're in the tree with gcc, and need to include some of its headers.
456 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
458 # Figure out where generated headers like libgcj-config.h get installed.
460 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
461 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
462 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
463 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
465 AC_SUBST(tool_include_dir)
466 AC_SUBST(gcc_version)
468 if test -n "${with_cross_host}"; then
469 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
470 # may not work correctly, because the compiler may not be able to
473 # We assume newlib. This lets us hard-code the functions we know
475 AC_DEFINE(HAVE_MEMMOVE)
476 AC_DEFINE(HAVE_MEMCPY)
477 AC_DEFINE(HAVE_STRERROR)
479 AC_DEFINE(HAVE_GMTIME_R)
480 AC_DEFINE(HAVE_LOCALTIME_R)
481 dnl This is only for POSIX threads.
482 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
483 dnl We also assume we are using gcc, which provides alloca.
484 AC_DEFINE(HAVE_ALLOCA)
486 dnl Assume we do not have getuid and friends.
489 # If Canadian cross, then don't pick up tools from the build
491 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
494 GCJ="${target_alias}-gcj"
498 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
499 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
500 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
501 AC_CHECK_FUNCS(nl_langinfo setlocale)
502 AC_CHECK_FUNCS(inet_aton inet_addr, break)
503 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
504 AC_CHECK_FUNCS(fork execvp pipe sigaction)
505 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
506 AC_CHECK_FUNC(backtrace, [
509 # Has broken backtrace()
512 AC_DEFINE(HAVE_BACKTRACE)
517 AC_CHECK_LIB(dl, dladdr, [
518 AC_DEFINE(HAVE_DLADDR)])
519 AC_CHECK_FILES(/proc/self/exe, [
520 AC_DEFINE(HAVE_PROC_SELF_EXE)])
526 AC_CHECK_FUNCS(gethostbyname_r, [
527 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
528 # There are two different kinds of gethostbyname_r.
529 # We look for the one that returns `int'.
530 # Hopefully this check is robust enough.
531 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
532 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
535 *" -D_REENTRANT "*) ;;
537 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
538 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
539 [libjava_cv_gethostbyname_r_needs_reentrant],
542 AC_TRY_COMPILE([#include <netdb.h>],
543 [gethostbyname_r("", 0, 0);],
544 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
545 CPPFLAGS_SAVE="$CPPFLAGS"
546 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
547 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
548 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
549 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
550 CPPFLAGS="$CPPFLAGS_SAVE"
554 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
555 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
560 AC_CACHE_CHECK([for struct hostent_data],
561 [libjava_cv_struct_hostent_data], [dnl
563 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
564 # define _REENTRANT 1
566 #include <netdb.h>], [struct hostent_data data;],
567 [libjava_cv_struct_hostent_data=yes],
568 [libjava_cv_struct_hostent_data=no])])
569 if test "x$libjava_cv_struct_hostent_data" = xyes; then
570 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
571 [Define if struct hostent_data is defined in netdb.h])
575 # FIXME: libjava source code expects to find a prototype for
576 # gethostbyaddr_r in netdb.h. The outer check ensures that
577 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
578 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
579 # linkage check is enough, yet C++ code requires proper prototypes.)
580 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
581 AC_CHECK_FUNCS(gethostbyaddr_r, [
582 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
583 # There are two different kinds of gethostbyaddr_r.
584 # We look for the one that returns `int'.
585 # Hopefully this check is robust enough.
586 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
587 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
589 AC_CHECK_FUNCS(gethostname, [
590 AC_DEFINE(HAVE_GETHOSTNAME)
591 AC_EGREP_HEADER(gethostname, unistd.h, [
592 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
594 # Look for these functions in the thread library, but only bother
595 # if using POSIX threads.
596 if test "$THREADS" = posix; then
598 LIBS="$LIBS $THREADLIBS"
599 # Some POSIX thread systems don't have pthread_mutexattr_settype.
601 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
603 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
604 # Solaris 7 the name librt is preferred.
605 AC_CHECK_FUNCS(sched_yield, , [
606 AC_CHECK_LIB(rt, sched_yield, [
607 AC_DEFINE(HAVE_SCHED_YIELD)
608 THREADLIBS="$THREADLIBS -lrt"
609 THREADSPEC="$THREADSPEC -lrt"], [
610 AC_CHECK_LIB(posix4, sched_yield, [
611 AC_DEFINE(HAVE_SCHED_YIELD)
612 THREADLIBS="$THREADLIBS -lposix4"
613 THREADSPEC="$THREADSPEC -lposix4"])])])
616 # We can save a little space at runtime if the mutex has m_count
617 # or __m_count. This is a nice hack for Linux.
618 AC_TRY_COMPILE([#include <pthread.h>], [
619 extern pthread_mutex_t *mutex; int q = mutex->m_count;
620 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
621 AC_TRY_COMPILE([#include <pthread.h>], [
622 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
623 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
626 # We require a way to get the time.
628 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
629 if test "$time_found" = no; then
630 AC_MSG_ERROR([no function found to get the time])
633 AC_CHECK_FUNCS(memmove)
637 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
638 if test "$memcpy_found" = no; then
639 AC_MSG_ERROR([memcpy is required])
642 AC_CHECK_LIB(dl, dlopen, [
643 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
645 # Some library-finding code we stole from Tcl.
646 #--------------------------------------------------------------------
647 # Check for the existence of the -lsocket and -lnsl libraries.
648 # The order here is important, so that they end up in the right
649 # order in the command line generated by make. Here are some
650 # special considerations:
651 # 1. Use "connect" and "accept" to check for -lsocket, and
652 # "gethostbyname" to check for -lnsl.
653 # 2. Use each function name only once: can't redo a check because
654 # autoconf caches the results of the last check and won't redo it.
655 # 3. Use -lnsl and -lsocket only if they supply procedures that
656 # aren't already present in the normal libraries. This is because
657 # IRIX 5.2 has libraries, but they aren't needed and they're
658 # bogus: they goof up name resolution if used.
659 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
660 # To get around this problem, check for both libraries together
661 # if -lsocket doesn't work by itself.
662 #--------------------------------------------------------------------
664 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
667 unset ac_cv_func_connect
668 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
669 if test "$gcj_checkSocket" = 1; then
670 unset ac_cv_func_connect
671 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
674 if test "$gcj_checkBoth" = 1; then
676 LIBS="$LIBS -lsocket -lnsl"
677 unset ac_cv_func_accept
678 AC_CHECK_FUNC(accept,
680 gcj_cv_lib_sockets="-lsocket -lnsl"])
681 unset ac_cv_func_accept
684 unset ac_cv_func_gethostbyname
686 LIBS="$LIBS $gcj_cv_lib_sockets"
687 AC_CHECK_FUNC(gethostbyname, ,
688 [AC_CHECK_LIB(nsl, main,
689 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
690 unset ac_cv_func_gethostbyname
693 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
695 if test "$with_system_zlib" = yes; then
696 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
699 # On Solaris, and maybe other architectures, the Boehm collector
701 if test "$GC" = boehm; then
702 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
705 if test -z "${with_multisubdir}"; then
709 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
712 if test -x "${builddotdot}/../../gcc/gcj"; then
713 dir="`cd ${builddotdot}/../../gcc && pwd`"
714 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
722 # Create it, so that compile/link tests don't fail
723 test -f libgcj.spec || touch libgcj.spec
725 # We must search the source tree for java.lang, since we still don't
726 # have libgcj.jar nor java/lang/*.class
727 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
728 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
730 # Since some classes depend on this one, we need its source available
731 # before we can do any GCJ compilation test :-(
732 if test ! -f gnu/classpath/Configuration.java; then
733 test -d gnu || mkdir gnu
734 test -d gnu/classpath || mkdir gnu/classpath
735 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
736 < $srcdir/gnu/classpath/Configuration.java.in \
737 > gnu/classpath/Configuration.java
738 # We do not want to redirect the output of the grep below to /dev/null,
739 # but we add /dev/null to the input list so that grep will print the
740 # filename of Configuration.java in case it finds any matches.
741 if grep @ gnu/classpath/Configuration.java /dev/null; then
742 AC_MSG_ERROR([configure.in is missing the substitutions above])
748 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
750 AC_COMPILE_CHECK_SIZEOF(void *)
756 if test -z "$ZLIBSPEC"; then
757 # Use zlib from the GCC tree.
758 ZINCS='-I$(top_srcdir)/../zlib'
759 ZLIBS=../zlib/libzgcj_convenience.la
762 SYS_ZLIBS="$ZLIBSPEC"
768 AC_SUBST(CHECKREFSPEC)
769 AC_SUBST(EXCEPTIONSPEC)
771 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
772 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
773 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
774 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
775 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
776 AC_SUBST(GCC_UNWIND_INCLUDE)
778 AC_SUBST(AM_RUNTESTFLAGS)
780 # Determine gcj version number.
782 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
784 GCJVERSION=$gcjversion
786 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
788 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
789 AC_MSG_CHECKING([for g++ -ffloat-store bug])
790 save_CFLAGS="$CFLAGS"
791 CFLAGS="-x c++ -O2 -ffloat-store"
792 AC_TRY_COMPILE([#include <math.h>], ,
794 [AC_DEFINE(__NO_MATH_INLINES)
796 CFLAGS="$save_CFLAGS"
798 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
799 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
800 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
801 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)
802 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
803 dnl for now. If you change this, you also must update natFile.cc.
804 AC_CHECK_HEADERS(dirent.h)
805 AC_CHECK_HEADERS(inttypes.h, [
806 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
807 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
811 AC_CHECK_TYPE([ssize_t], [int])
813 AC_MSG_CHECKING([for in_addr_t])
814 AC_TRY_COMPILE([#include <sys/types.h>
819 #if HAVE_NETINET_IN_H
820 #include <netinet/in.h>
821 #endif], [in_addr_t foo;],
822 [AC_DEFINE([HAVE_IN_ADDR_T])
826 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
827 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
828 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
832 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
833 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
834 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
838 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
839 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
840 [AC_DEFINE(HAVE_INET6)
844 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
845 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
846 #include <sys/types.h>
847 #include <sys/socket.h>], [socklen_t x = 5;],
848 [AC_DEFINE(HAVE_SOCKLEN_T)
852 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
853 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
854 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
857 AC_MSG_CHECKING([for global timezone variable])
858 dnl FIXME: we don't want a link check here because that won't work
859 dnl when cross-compiling. So instead we make an assumption that
860 dnl the header file will mention timezone if it exists.
861 dnl Don't find the win32 function timezone
862 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
863 [AC_DEFINE(HAVE_TIMEZONE)
866 AC_MSG_CHECKING([for global _timezone variable])
867 dnl FIXME: As above, don't want link check
868 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
869 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE)
871 [AC_MSG_RESULT(no)])])])
875 AC_CHECK_PROGS(PERL, perl, false)
881 SIGNAL_HANDLER=include/i386-signal.h
884 SIGNAL_HANDLER=include/sparc-signal.h
887 # SYSDEP_SOURCES=sysdep/ia64.c
888 # test -d sysdep || mkdir sysdep
891 SIGNAL_HANDLER=include/dwarf2-signal.h
894 SIGNAL_HANDLER=include/dwarf2-signal.h
897 SIGNAL_HANDLER=include/dwarf2-signal.h
900 SIGNAL_HANDLER=include/dwarf2-signal.h
903 SIGNAL_HANDLER=include/win32-signal.h
906 SIGNAL_HANDLER=include/default-signal.h
910 # If we're using sjlj exceptions, forget what we just learned.
911 if test "$enable_sjlj_exceptions" = yes; then
912 SIGNAL_HANDLER=include/default-signal.h
915 AC_SUBST(SYSDEP_SOURCES)
917 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
919 if test "${multilib}" = "yes"; then
920 multilib_arg="--enable-multilib"
927 dnl Determine which AWT peer libraries to build
928 AC_ARG_ENABLE(java-awt,
929 [ --enable-java-awt list of AWT peer implementations to be built])
931 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
935 for peer in $peerlibs ; do
938 if [test "$no_x" = yes]; then
939 echo "*** xlib peers requested but no X library available" 1>&2
954 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
959 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
960 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
966 # We get this from the environment.
969 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
970 [# Only add multilib support code if we just rebuilt top-level Makefile.
971 case " $CONFIG_FILES " in
973 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
974 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
978 # Make subdirectories and `.d' files. Look in both srcdir and
979 # builddir for the .java files.
982 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
983 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
984 fgrep -v testsuite | \
985 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
987 echo "include $f" >> deps.mk
990 d=`echo $f | sed -e 's,/[^/]*$,,'`
992 if test ! -d $d; then
993 $libgcj_basedir/../mkinstalldirs $d
1002 with_multisubdir=${with_multisubdir}
1003 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1004 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1005 libgcj_basedir=${libgcj_basedir}