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=$LD
12 dnl We use these options to decide which functions to include.
13 AC_ARG_WITH(target-subdir,
14 [ --with-target-subdir=SUBDIR
15 configuring in a subdirectory])
16 AC_ARG_WITH(cross-host,
17 [ --with-cross-host=HOST configuring with a cross compiler])
20 [ --with-newlib Configuring with newlib])
24 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
26 # Only use libltdl for non-newlib builds.
27 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
28 AC_LIBLTDL_CONVENIENCE
31 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
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, 1,
66 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
69 dnl Whether we should use arguments to main()
70 if test -z "$enable_main_args"; then
71 enable_main_args=${enable_main_args_default-yes}
73 if test "$enable_main_args" = no; then
74 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
78 dnl Should we use hashtable-based synchronization?
79 dnl Currently works only for Linux X86/ia64
80 dnl Typically faster and more space-efficient
81 AC_ARG_ENABLE(hash-synchronization,
82 [ --enable-hash-synchronization
83 use global hash table for monitor locks])
85 if test -z "$enable_hash_synchronization"; then
86 enable_hash_synchronization=$enable_hash_synchronization_default
89 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
90 AC_ARG_ENABLE(libgcj-multifile,
91 [ --enable-libgcj-multifile
92 allow compilation of several files at once],
93 [case "${enableval}" in
94 yes) enable_libgcj_multifile=yes ;;
95 no) enable_libgcj_multifile=no ;;
96 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
97 esac],[enable_libgcj_multifile=no])
98 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
100 # What is the native OS API for MinGW?
101 AC_ARG_WITH(win32-nlsapi,
102 changequote(<<,>>)dnl
103 << --with-win32-nlsapi=ansi, unicows or unicode
104 native MinGW libgcj Win32 OS API [ansi]>>,
106 [case "${withval}" in
107 ansi) with_win32_nlsapi=ansi ;;
108 unicows) with_win32_nlsapi=unicows ;;
109 unicode) with_win32_nlsapi=unicode ;;
110 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
111 esac],[with_win32_nlsapi=ansi])
113 case "${with_win32_nlsapi}" in
115 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
116 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
120 dnl configure.host sets slow_pthread_self if the synchronization code should
121 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
122 if test "${slow_pthread_self}" = "yes"; then
123 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
124 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
128 dnl See if the user has requested runtime debugging.
130 AC_SUBST(LIBGCJDEBUG)
131 AC_ARG_ENABLE(libgcj-debug,
132 [ --enable-libgcj-debug enable runtime debugging code],
133 if test "$enable_libgcj_debug" = yes; then
134 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
138 dnl See if the user has the interpreter included.
139 AC_ARG_ENABLE(interpreter,
140 [ --enable-interpreter enable interpreter],
141 if test "$enable_interpreter" = yes; then
142 # This can also be set in configure.host.
143 libgcj_interpreter=yes
144 elif test "$enable_interpreter" = no; then
145 libgcj_interpreter=no
148 if test "$libgcj_interpreter" = yes; then
149 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
151 INTERPRETER="$libgcj_interpreter"
152 AC_SUBST(INTERPRETER)
154 AC_MSG_CHECKING([for exception model to use])
157 AC_ARG_ENABLE(sjlj-exceptions,
158 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
160 [dnl Botheration. Now we've got to detect the exception model.
161 dnl Link tests against libgcc.a are problematic since -- at least
162 dnl as of this writing -- we've not been given proper -L bits for
163 dnl single-tree newlib and libgloss.
165 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
166 dnl conftest files before we got a change to grep them first.
167 cat > conftest.$ac_ext << EOF
168 [#]line __oline__ "configure"
177 old_CXXFLAGS="$CXXFLAGS"
179 if AC_TRY_EVAL(ac_compile); then
180 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
181 enable_sjlj_exceptions=yes
182 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
183 enable_sjlj_exceptions=no
186 CXXFLAGS="$old_CXXFLAGS"
188 if test x$enable_sjlj_exceptions = xyes; then
189 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
190 [Define if the compiler is configured for setjmp/longjmp exceptions.])
191 ac_exception_model_name=sjlj
192 elif test x$enable_sjlj_exceptions = xno; then
193 ac_exception_model_name="call frame"
195 AC_MSG_ERROR([unable to detect exception model])
198 AC_MSG_RESULT($ac_exception_model_name)
200 # If we are non using SJLJ exceptions, and this host does not have support
201 # for unwinding from a signal handler, enable checked dereferences and divides.
202 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
203 CHECKREFSPEC=-fcheck-references
204 DIVIDESPEC=-fuse-divide-subroutine
208 dnl See if the user wants to disable java.net. This is the mildly
209 dnl ugly way that we admit that target-side configuration sucks.
210 AC_ARG_ENABLE(java-net,
211 [ --disable-java-net disable java.net])
213 dnl Whether java.net is built by default can depend on the target.
214 if test -z "$enable_java_net"; then
215 enable_java_net=${enable_java_net_default-yes}
217 if test "$enable_java_net" = no; then
218 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
221 dnl See if the user wants to configure without libffi. Some
222 dnl architectures don't support it, and default values are set in
225 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
229 if test "$with_libffi" != no; then
230 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
231 LIBFFI=../libffi/libffi_convenience.la
232 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
237 dnl See if the user wants to disable JVMPI support.
239 [ --disable-jvmpi disable JVMPI support])
241 if test "$enable_jvmpi" != no; then
242 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
245 dnl If the target is an eCos system, use the appropriate eCos
247 dnl FIXME: this should not be a local option but a global target
248 dnl system; at present there is no eCos target.
249 TARGET_ECOS=${PROCESS-"no"}
251 [ --with-ecos enable runtime eCos target support],
252 TARGET_ECOS="$with_ecos"
256 AC_SUBST(EXTRA_CC_FILES)
259 case "$TARGET_ECOS" in
264 PLATFORMOBJS=win32.lo
266 CHECK_FOR_BROKEN_MINGW_LD
271 PLATFORMOBJS=posix.lo
279 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
280 PLATFORMOBJS=posix.lo
284 AC_SUBST(PLATFORMOBJS)
285 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
287 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
288 [Define if you have int32_t and uint32_t.]))
289 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
290 [Define if you have int32_t and uint32_t.]))
291 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
292 [Define if you have u_int32_t]))
293 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
294 [Define if you have u_int32_t]))
297 dnl These may not be defined in a non-ANS conformant embedded system.
298 dnl FIXME: Should these case a runtime exception in that case?
299 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
300 [Define is you have 'mktime' in <time.h>]))
301 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
302 [Define is you have 'localtime' in <time.h>]))
304 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
305 dnl to create the link will fail.
306 test -d java || mkdir java
307 test -d java/io || mkdir java/io
308 test -d gnu || mkdir gnu
309 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
310 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
312 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
313 test -d java/lang || mkdir java/lang
314 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
315 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
317 dnl Likewise for natInetAddress.cc and natNetworkInterface.cc.
318 test -d java/net || mkdir java/net
319 AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc)
320 AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc)
322 dnl Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
323 test -d gnu/java || mkdir gnu/java
324 test -d gnu/java/net || mkdir gnu/java/net
325 AC_LINK_FILES(gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainSocketImpl.cc)
326 AC_LINK_FILES(gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainDatagramSocketImpl.cc)
328 dnl Likewise for natPipeImpl.cc and natSelectorImpl.cc.
329 test -d gnu/java/nio || mkdir gnu/java/nio
330 AC_LINK_FILES(gnu/java/nio/natPipeImpl${PLATFORM}.cc, gnu/java/nio/natPipeImpl.cc)
331 AC_LINK_FILES(gnu/java/nio/natSelectorImpl${PLATFORM}.cc, gnu/java/nio/natSelectorImpl.cc)
335 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
336 if test "${with_win32_nlsapi}" = "unicows"; then
337 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
346 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
347 AC_SUBST(LIBGCJTESTSPEC)
349 AC_ARG_WITH(system-zlib,
350 [ --with-system-zlib use installed libz])
354 AC_SUBST(ZLIBTESTSPEC)
358 dnl Determine which AWT peer libraries to build
359 AC_ARG_ENABLE(java-awt,
360 [ --enable-java-awt list of AWT peer implementations to be built])
362 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
365 # The default toolkit to use is the first one specified.
369 for peer in $peerlibs ; do
372 if test "$no_x" = yes; then
373 echo "*** xlib peers requested but no X library available" 1>&2
377 if test -z "$TOOLKIT"; then
378 TOOLKIT=gnu.awt.xlib.XToolkit
383 if test "$no_x" = yes; then
384 echo "*** xlib peers requested but no X library available" 1>&2
388 if test -z "$TOOLKIT"; then
389 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
391 test -d jniinclude || mkdir jniinclude
400 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
405 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
406 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
409 dnl FIXME: this should be _libs on some hosts.
412 dnl Allow the GC to be disabled. Can be useful when debugging.
413 AC_MSG_CHECKING([for garbage collector to use])
414 AC_ARG_ENABLE(java-gc,
415 changequote(<<,>>)dnl
416 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
430 GCLIBS=../boehm-gc/libgcjgc_convenience.la
431 JC1GCSPEC='-fuse-boehm-gc'
432 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
434 dnl We also want to pick up some cpp flags required when including
435 dnl boehm-config.h. Yuck.
436 GCINCS="`cat ../boehm-gc/boehm-cflags`"
439 dnl The POSIX thread support needs to know this.
440 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
448 AC_MSG_ERROR(unrecognized collector \"$GC\")
458 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
461 AC_MSG_CHECKING([for thread model used by GCC])
462 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
463 AC_MSG_RESULT([$THREADS])
473 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
479 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
480 AC_MSG_ERROR(thread package $THREADS not yet supported)
483 AC_MSG_ERROR($THREADS is an unknown thread package)
499 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
504 # Before FreeBSD 5, it didn't have -lpthread (or any library which
505 # merely adds pthread_* functions) but it does have a -pthread switch
506 # which is required at link-time to select -lc_r *instead* of -lc.
507 THREADLDFLAGS=-pthread
508 # Don't set THREADSPEC here as might be expected since -pthread is
509 # not processed when found within a spec file, it must come from
510 # the command line. For now, the user must provide the -pthread
511 # switch to link code compiled with gcj. In future, consider adding
512 # support for weak references to pthread_* functions ala gthr.h API.
513 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
516 # FreeBSD 5 implements a model much closer to other modern UNIX
517 # which support threads. However, it still does not support
519 THREADLDFLAGS=-pthread
523 THREADCXXFLAGS=-pthread
524 # boehm-gc needs some functions from librt, so link that too.
525 THREADLIBS='-lpthread -lrt'
526 THREADSPEC='-lpthread -lrt'
533 THREADOBJS=posix-threads.lo
534 THREADH=posix-threads.h
535 # MIT pthreads doesn't seem to have the mutexattr functions.
536 # But for now we don't check for it. We just assume you aren't
537 # using MIT pthreads.
538 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
540 # If we're using the Boehm GC, then we happen to know that it
541 # defines _REENTRANT, so we don't bother. Eww.
542 if test "$GC" != boehm; then
543 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
545 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
549 THREADOBJS=win32-threads.lo
550 THREADH=win32-threads.h
554 THREADOBJS=no-threads.lo
558 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
564 AC_SUBST(THREADLDFLAGS)
565 AC_SUBST(THREADCXXFLAGS)
567 if test -d sysdep; then true; else mkdir sysdep; fi
568 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
571 # Hash synchronization is only useful with posix threads right now.
572 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
573 HASH_SYNC_SPEC=-fhash-synchronization
574 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
576 AC_SUBST(HASH_SYNC_SPEC)
579 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
585 # We're in the tree with gcc, and need to include some of its headers.
586 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
588 # Figure out where generated headers like libgcj-config.h get installed.
590 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
591 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
592 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
593 tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
595 AC_SUBST(tool_include_dir)
596 AC_SUBST(gcc_version)
598 if test "x${with_newlib}" = "xyes"; then
599 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
600 # may not work correctly, because the compiler may not be able to
603 # We assume newlib. This lets us hard-code the functions we know
605 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
606 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
607 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
608 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
609 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
610 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
611 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
612 dnl This is only for POSIX threads.
613 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
614 dnl We also assume we are using gcc, which provides alloca.
615 AC_DEFINE(HAVE_ALLOCA)
617 dnl Assume we do not have getuid and friends.
618 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
621 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
622 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
623 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
624 AC_CHECK_FUNCS(nl_langinfo setlocale)
625 AC_CHECK_FUNCS(inet_aton inet_addr, break)
626 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
627 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
628 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
629 AC_CHECK_FUNC(backtrace, [
632 # Has broken backtrace()
635 # Has broken backtrace(), but we supply our own.
636 if test -d sysdep; then true; else mkdir -p sysdep; fi
637 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
638 AC_DEFINE(HAVE_BACKTRACE, 1,
639 [Define if your platform has a working backtrace() function.])
642 AC_DEFINE(HAVE_BACKTRACE, 1,
643 [Define if your platform has a working backtrace() function.])
649 # Has backtrace() defined in libgcj itself
650 AC_DEFINE(HAVE_BACKTRACE, 1,
651 [Define if your platform has a working backtrace() function.])
656 AC_CHECK_LIB(dl, dladdr, [
657 if test "x${disable_dladdr}" = "xyes"; then
661 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
664 if test x"$build" = x"$host"; then
665 AC_CHECK_FILES(/proc/self/exe, [
666 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
670 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
679 AC_CHECK_FUNCS(gethostbyname_r, [
680 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
681 [Define if you have the 'gethostbyname_r' function.])
682 # There are two different kinds of gethostbyname_r.
683 # We look for the one that returns `int'.
684 # Hopefully this check is robust enough.
685 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
686 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
689 *" -D_REENTRANT "*) ;;
691 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
692 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
693 [libjava_cv_gethostbyname_r_needs_reentrant],
696 AC_TRY_COMPILE([#include <netdb.h>],
697 [gethostbyname_r("", 0, 0);],
698 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
699 CPPFLAGS_SAVE="$CPPFLAGS"
700 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
701 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
702 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
703 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
704 CPPFLAGS="$CPPFLAGS_SAVE"
708 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
709 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
714 AC_CACHE_CHECK([for struct hostent_data],
715 [libjava_cv_struct_hostent_data], [dnl
717 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
718 # define _REENTRANT 1
720 #include <netdb.h>], [struct hostent_data data;],
721 [libjava_cv_struct_hostent_data=yes],
722 [libjava_cv_struct_hostent_data=no])])
723 if test "x$libjava_cv_struct_hostent_data" = xyes; then
724 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
725 [Define if struct hostent_data is defined in netdb.h])
729 # FIXME: libjava source code expects to find a prototype for
730 # gethostbyaddr_r in netdb.h. The outer check ensures that
731 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
732 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
733 # linkage check is enough, yet C++ code requires proper prototypes.)
734 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
735 AC_CHECK_FUNCS(gethostbyaddr_r, [
736 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
737 [Define if you have the 'gethostbyaddr_r' function.])
738 # There are two different kinds of gethostbyaddr_r.
739 # We look for the one that returns `int'.
740 # Hopefully this check is robust enough.
741 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
742 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
743 [Define if gethostbyaddr_r returns 'int'.])])])])
745 AC_CHECK_FUNCS(gethostname, [
746 AC_DEFINE(HAVE_GETHOSTNAME, 1,
747 [Define if you have the 'gethostname' function.])
748 AC_EGREP_HEADER(gethostname, unistd.h, [
749 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
750 [Define if gethostname is declared in <unistd.h>.])])])
752 AC_CHECK_FUNCS(usleep, [
753 AC_EGREP_HEADER(usleep, unistd.h, [
754 AC_DEFINE(HAVE_USLEEP_DECL, 1,
755 [Define if usleep is declared in <unistd.h>.])])])
757 # Look for these functions in the thread library, but only bother
758 # if using POSIX threads.
759 if test "$THREADS" = posix; then
761 LIBS="$LIBS $THREADLIBS"
762 # Some POSIX thread systems don't have pthread_mutexattr_settype.
764 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
766 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
767 # Solaris 7 the name librt is preferred.
768 AC_CHECK_FUNCS(sched_yield, , [
769 AC_CHECK_LIB(rt, sched_yield, [
770 AC_DEFINE(HAVE_SCHED_YIELD)
771 THREADLIBS="$THREADLIBS -lrt"
772 THREADSPEC="$THREADSPEC -lrt"], [
773 AC_CHECK_LIB(posix4, sched_yield, [
774 AC_DEFINE(HAVE_SCHED_YIELD)
775 THREADLIBS="$THREADLIBS -lposix4"
776 THREADSPEC="$THREADSPEC -lposix4"])])])
779 # We can save a little space at runtime if the mutex has m_count
780 # or __m_count. This is a nice hack for Linux.
781 AC_TRY_COMPILE([#include <pthread.h>], [
782 extern pthread_mutex_t *mutex; int q = mutex->m_count;
783 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
784 [Define if pthread_mutex_t has m_count member.]), [
785 AC_TRY_COMPILE([#include <pthread.h>], [
786 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
787 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
788 [Define if pthread_mutex_t has __m_count member.]))])
791 # We require a way to get the time.
793 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
794 if test "$time_found" = no; then
795 AC_MSG_ERROR([no function found to get the time])
798 AC_CHECK_FUNCS(memmove)
802 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
803 if test "$memcpy_found" = no; then
804 AC_MSG_ERROR([memcpy is required])
807 AC_CHECK_LIB(dl, dlopen, [
808 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
810 # Some library-finding code we stole from Tcl.
811 #--------------------------------------------------------------------
812 # Check for the existence of the -lsocket and -lnsl libraries.
813 # The order here is important, so that they end up in the right
814 # order in the command line generated by make. Here are some
815 # special considerations:
816 # 1. Use "connect" and "accept" to check for -lsocket, and
817 # "gethostbyname" to check for -lnsl.
818 # 2. Use each function name only once: can't redo a check because
819 # autoconf caches the results of the last check and won't redo it.
820 # 3. Use -lnsl and -lsocket only if they supply procedures that
821 # aren't already present in the normal libraries. This is because
822 # IRIX 5.2 has libraries, but they aren't needed and they're
823 # bogus: they goof up name resolution if used.
824 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
825 # To get around this problem, check for both libraries together
826 # if -lsocket doesn't work by itself.
827 #--------------------------------------------------------------------
829 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
832 unset ac_cv_func_connect
833 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
834 if test "$gcj_checkSocket" = 1; then
835 unset ac_cv_func_connect
836 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
839 if test "$gcj_checkBoth" = 1; then
841 LIBS="$LIBS -lsocket -lnsl"
842 unset ac_cv_func_accept
843 AC_CHECK_FUNC(accept,
845 gcj_cv_lib_sockets="-lsocket -lnsl"])
846 unset ac_cv_func_accept
849 unset ac_cv_func_gethostbyname
851 LIBS="$LIBS $gcj_cv_lib_sockets"
852 AC_CHECK_FUNC(gethostbyname, ,
853 [AC_CHECK_LIB(nsl, main,
854 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
855 unset ac_cv_func_gethostbyname
858 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
860 if test "$with_system_zlib" = yes; then
861 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
864 # Test for Gtk stuff, if asked for.
865 if test "$use_gtk_awt" = yes; then
866 AM_PATH_GTK_2_0(2.2.0,,exit 1)
867 AM_PATH_GLIB_2_0(2.2.0,,exit 1,gthread)
868 dnl XXX Fix me when libart.m4 has the compile test fixed!
870 AM_PATH_LIBART(2.1.0,,exit 1)
873 # On Solaris, and maybe other architectures, the Boehm collector
875 if test "$GC" = boehm; then
876 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
880 if test -z "${with_multisubdir}"; then
884 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
888 # Which gcj do we use?
890 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
891 if test -n "${with_cross_host}"; then
892 # We are being configured with a cross compiler. We can't
893 # use ac_exeext, because that is for the target platform.
896 case "${with_cross_host}" in
898 cross_host_exeext=.exe
901 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
902 if test x"$build_alias" = x"$with_cross_host"; then
903 # Ordinary cross (host!=target and host=build)
906 # Canadian cross (host!=target and host!=build)
913 # We are being configured with a native or crossed-native compiler
914 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
915 if test x"$build" = x"$host"; then
916 # True native build (host=target and host=build)
919 # Crossed-native build (host=target and host!=build)
926 case "${which_gcj}" in
928 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
931 # See the comment in Makefile.am about CANADIAN being a misnomer
934 if test "x${with_newlib}" = "xyes"; then
935 # FIXME (comment): Why is this needed?
937 GCJ="${target_alias}-gcj"
939 GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
943 # See the comment in Makefile.am about CANADIAN being a misnomer
946 GCJ="gcj -B`${PWDCMD-pwd}`/"
950 # Create it, so that compile/link tests don't fail
951 test -f libgcj.spec || touch libgcj.spec
953 # We must search the source tree for java.lang, since we still don't
954 # have libgcj.jar nor java/lang/*.class
955 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
956 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
958 # Since some classes depend on this one, we need its source available
959 # before we can do any GCJ compilation test :-(
960 if test ! -f gnu/classpath/Configuration.java; then
961 test -d gnu || mkdir gnu
962 test -d gnu/classpath || mkdir gnu/classpath
963 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
964 -e 's,@TOOLKIT@,$TOOLKIT,' \
965 < $srcdir/gnu/classpath/Configuration.java.in \
966 > gnu/classpath/Configuration.java
967 # We do not want to redirect the output of the grep below to /dev/null,
968 # but we add /dev/null to the input list so that grep will print the
969 # filename of Configuration.java in case it finds any matches.
970 if grep @ gnu/classpath/Configuration.java /dev/null; then
971 AC_MSG_ERROR([configure.in is missing the substitutions above])
977 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
979 AC_COMPILE_CHECK_SIZEOF(void *)
985 if test -z "$ZLIBSPEC"; then
986 # Use zlib from the GCC tree.
987 ZINCS='-I$(top_srcdir)/../zlib'
988 ZLIBS=../zlib/libzgcj_convenience.la
991 SYS_ZLIBS="$ZLIBSPEC"
997 AC_SUBST(CHECKREFSPEC)
998 AC_SUBST(EXCEPTIONSPEC)
1001 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
1002 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
1003 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
1004 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1005 AC_SUBST(GCC_UNWIND_INCLUDE)
1007 if test -n "$with_cross_host" &&
1008 test x"$with_cross_host" != x"no"; then
1009 toolexecdir='$(exec_prefix)/$(target_alias)'
1010 toolexecmainlibdir='$(toolexecdir)/lib'
1012 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1013 toolexecmainlibdir='$(libdir)'
1015 multi_os_directory=`$CC -print-multi-os-directory`
1016 case $multi_os_directory in
1017 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1018 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1020 AC_SUBST(toolexecdir)
1021 AC_SUBST(toolexecmainlibdir)
1022 AC_SUBST(toolexeclibdir)
1024 # Determine gcj version number.
1026 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1028 GCJVERSION=$gcjversion
1029 AC_SUBST(GCJVERSION)
1030 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1032 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1033 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1034 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1035 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)
1036 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1037 dnl for now. If you change this, you also must update natFile.cc.
1038 AC_CHECK_HEADERS(dirent.h)
1039 AC_CHECK_HEADERS(inttypes.h, [
1040 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1041 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1045 AC_CHECK_TYPE([ssize_t], [int])
1047 AC_MSG_CHECKING([for in_addr_t])
1048 AC_TRY_COMPILE([#include <sys/types.h>
1053 #if HAVE_NETINET_IN_H
1054 #include <netinet/in.h>
1055 #endif], [in_addr_t foo;],
1056 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1057 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1058 AC_MSG_RESULT(yes)],
1059 [AC_MSG_RESULT(no)])
1061 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1062 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1063 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1064 [Define if struct ip_mreq is defined in netinet/in.h.])
1065 AC_MSG_RESULT(yes)],
1066 [AC_MSG_RESULT(no)])
1068 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1069 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1070 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1071 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1072 AC_MSG_RESULT(yes)],
1073 [AC_MSG_RESULT(no)])
1075 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1076 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1077 [AC_DEFINE(HAVE_INET6, 1,
1078 [Define if inet6 structures are defined in netinet/in.h.])
1079 AC_MSG_RESULT(yes)],
1080 [AC_MSG_RESULT(no)])
1082 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1083 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1084 #include <sys/types.h>
1085 #include <sys/socket.h>], [socklen_t x = 5;],
1086 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1087 AC_MSG_RESULT(yes)],
1088 [AC_MSG_RESULT(no)])
1090 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1091 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1092 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1093 AC_MSG_RESULT(yes)],
1095 AC_MSG_CHECKING([for global timezone variable])
1096 dnl FIXME: we don't want a link check here because that won't work
1097 dnl when cross-compiling. So instead we make an assumption that
1098 dnl the header file will mention timezone if it exists.
1099 dnl Don't find the win32 function timezone
1100 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1101 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1102 AC_MSG_RESULT(yes)],
1104 AC_MSG_CHECKING([for global _timezone variable])
1105 dnl FIXME: As above, don't want link check
1106 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1107 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1108 [Define if your platform has the global _timezone variable.])
1109 AC_MSG_RESULT(yes)],
1110 [AC_MSG_RESULT(no)])])])
1115 AC_CHECK_PROGS(PERL, perl, false)
1121 SIGNAL_HANDLER=include/i386-signal.h
1123 sparc*-sun-solaris*)
1124 SIGNAL_HANDLER=include/sparc-signal.h
1127 # SYSDEP_SOURCES=sysdep/ia64.c
1128 # test -d sysdep || mkdir sysdep
1131 SIGNAL_HANDLER=include/dwarf2-signal.h
1134 SIGNAL_HANDLER=include/powerpc-signal.h
1137 SIGNAL_HANDLER=include/dwarf2-signal.h
1140 SIGNAL_HANDLER=include/s390-signal.h
1143 SIGNAL_HANDLER=include/x86_64-signal.h
1146 SIGNAL_HANDLER=include/dwarf2-signal.h
1148 sh-*-linux* | sh[[34]]*-*-linux*)
1149 SIGNAL_HANDLER=include/dwarf2-signal.h
1152 SIGNAL_HANDLER=include/win32-signal.h
1155 SIGNAL_HANDLER=include/mips-signal.h
1158 SIGNAL_HANDLER=include/default-signal.h
1162 # If we're using sjlj exceptions, forget what we just learned.
1163 if test "$enable_sjlj_exceptions" = yes; then
1164 SIGNAL_HANDLER=include/default-signal.h
1167 # Define here any compiler flags that you need in order to make backtrace() work.
1171 BACKTRACESPEC=-fno-omit-frame-pointer
1174 AC_SUBST(BACKTRACESPEC)
1176 AC_SUBST(SYSDEP_SOURCES)
1178 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
1180 if test "${multilib}" = "yes"; then
1181 multilib_arg="--enable-multilib"
1188 here=`${PWDCMD-pwd}`
1191 # We get this from the environment.
1194 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1195 [# Only add multilib support code if we just rebuilt top-level Makefile.
1196 case " $CONFIG_FILES " in
1198 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1199 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1203 # Make subdirectories and `.d' files. Look in both srcdir and
1204 # builddir for the .java files.
1207 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1208 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1209 fgrep -v testsuite | \
1210 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1212 echo "include $f" >> deps.mk
1215 d=`echo $f | sed -e 's,/[^/]*$,,'`
1217 if test ! -d $d; then
1218 $libgcj_basedir/../mkinstalldirs $d
1227 with_multisubdir=${with_multisubdir}
1228 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1229 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1230 libgcj_basedir=${libgcj_basedir}
1233 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"