1 dnl Process this with autoconf to create configure
3 AC_INIT(java/lang/System.java)
5 # This works around the fact that libtool configuration may change LD
6 # for this particular configuration, but some shells, instead of
7 # keeping the changes in LD private, export them just because LD is
9 ORIGINAL_LD_FOR_MULTILIBS=$LD
13 dnl We use these options to decide which functions to include.
14 AC_ARG_WITH(target-subdir,
15 [ --with-target-subdir=SUBDIR
16 configuring in a subdirectory])
17 AC_ARG_WITH(cross-host,
18 [ --with-cross-host=HOST configuring with a cross compiler])
21 [ --with-newlib Configuring with newlib])
25 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
27 # Only use libltdl for non-newlib builds.
28 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
29 AC_LIBLTDL_CONVENIENCE
32 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
33 # Sigh. Libtool's macro doesn't do the right thing.
34 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
35 # FIXME: this is a hack.
36 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
37 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
43 AC_CONFIG_SUBDIRS($DIRLTDL)
45 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
52 dnl The -no-testsuite modules omit the test subdir.
53 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
55 dnl Should the runtime set system properties by examining the
56 dnl environment variable GCJ_PROPERTIES?
57 AC_ARG_ENABLE(getenv-properties,
58 [ --disable-getenv-properties
59 don't set system properties from GCJ_PROPERTIES])
61 dnl Whether GCJ_PROPERTIES is used depends on the target.
62 if test -z "$enable_getenv_properties"; then
63 enable_getenv_properties=${enable_getenv_properties_default-yes}
65 if test "$enable_getenv_properties" = no; then
66 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
67 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
70 dnl Whether we should use arguments to main()
71 if test -z "$enable_main_args"; then
72 enable_main_args=${enable_main_args_default-yes}
74 if test "$enable_main_args" = no; then
75 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
79 dnl Should we use hashtable-based synchronization?
80 dnl Currently works only for Linux X86/ia64
81 dnl Typically faster and more space-efficient
82 AC_ARG_ENABLE(hash-synchronization,
83 [ --enable-hash-synchronization
84 use global hash table for monitor locks])
86 if test -z "$enable_hash_synchronization"; then
87 enable_hash_synchronization=$enable_hash_synchronization_default
90 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
91 AC_ARG_ENABLE(libgcj-multifile,
92 [ --enable-libgcj-multifile
93 allow compilation of several files at once],
94 [case "${enableval}" in
95 yes) enable_libgcj_multifile=yes ;;
96 no) enable_libgcj_multifile=no ;;
97 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
98 esac],[enable_libgcj_multifile=no])
99 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
101 # What is the native OS API for MinGW?
102 AC_ARG_WITH(win32-nlsapi,
103 changequote(<<,>>)dnl
104 << --with-win32-nlsapi=ansi, unicows or unicode
105 native MinGW libgcj Win32 OS API [ansi]>>,
107 [case "${withval}" in
108 ansi) with_win32_nlsapi=ansi ;;
109 unicows) with_win32_nlsapi=unicows ;;
110 unicode) with_win32_nlsapi=unicode ;;
111 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
112 esac],[with_win32_nlsapi=ansi])
114 case "${with_win32_nlsapi}" in
116 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
117 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
121 dnl configure.host sets slow_pthread_self if the synchronization code should
122 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
123 if test "${slow_pthread_self}" = "yes"; then
124 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
125 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
129 dnl See if the user has requested runtime debugging.
131 AC_SUBST(LIBGCJDEBUG)
132 AC_ARG_ENABLE(libgcj-debug,
133 [ --enable-libgcj-debug enable runtime debugging code],
134 if test "$enable_libgcj_debug" = yes; then
135 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
139 dnl See if the user has the interpreter included.
140 AC_ARG_ENABLE(interpreter,
141 [ --enable-interpreter enable interpreter],
142 if test "$enable_interpreter" = yes; then
143 # This can also be set in configure.host.
144 libgcj_interpreter=yes
145 elif test "$enable_interpreter" = no; then
146 libgcj_interpreter=no
149 if test "$libgcj_interpreter" = yes; then
150 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
152 INTERPRETER="$libgcj_interpreter"
153 AC_SUBST(INTERPRETER)
155 AC_MSG_CHECKING([for exception model to use])
158 AC_ARG_ENABLE(sjlj-exceptions,
159 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
161 [dnl Botheration. Now we've got to detect the exception model.
162 dnl Link tests against libgcc.a are problematic since -- at least
163 dnl as of this writing -- we've not been given proper -L bits for
164 dnl single-tree newlib and libgloss.
166 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
167 dnl conftest files before we got a change to grep them first.
168 cat > conftest.$ac_ext << EOF
169 [#]line __oline__ "configure"
178 old_CXXFLAGS="$CXXFLAGS"
180 if AC_TRY_EVAL(ac_compile); then
181 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
182 enable_sjlj_exceptions=yes
183 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
184 enable_sjlj_exceptions=no
187 CXXFLAGS="$old_CXXFLAGS"
189 if test x$enable_sjlj_exceptions = xyes; then
190 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
191 [Define if the compiler is configured for setjmp/longjmp exceptions.])
192 ac_exception_model_name=sjlj
193 elif test x$enable_sjlj_exceptions = xno; then
194 ac_exception_model_name="call frame"
196 AC_MSG_ERROR([unable to detect exception model])
199 AC_MSG_RESULT($ac_exception_model_name)
201 # If we are non using SJLJ exceptions, and this host does not have support
202 # for unwinding from a signal handler, enable checked dereferences and divides.
203 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
204 CHECKREFSPEC=-fcheck-references
205 DIVIDESPEC=-fuse-divide-subroutine
209 dnl See if the user wants to disable java.net. This is the mildly
210 dnl ugly way that we admit that target-side configuration sucks.
211 AC_ARG_ENABLE(java-net,
212 [ --disable-java-net disable java.net])
214 dnl Whether java.net is built by default can depend on the target.
215 if test -z "$enable_java_net"; then
216 enable_java_net=${enable_java_net_default-yes}
218 if test "$enable_java_net" = no; then
219 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
222 dnl See if the user wants to configure without libffi. Some
223 dnl architectures don't support it, and default values are set in
226 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
230 if test "$with_libffi" != no; then
231 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
232 LIBFFI=../libffi/libffi_convenience.la
233 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
238 dnl See if the user wants to disable JVMPI support.
240 [ --disable-jvmpi disable JVMPI support])
242 if test "$enable_jvmpi" != no; then
243 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
246 dnl If the target is an eCos system, use the appropriate eCos
248 dnl FIXME: this should not be a local option but a global target
249 dnl system; at present there is no eCos target.
250 TARGET_ECOS=${PROCESS-"no"}
252 [ --with-ecos enable runtime eCos target support],
253 TARGET_ECOS="$with_ecos"
257 AC_SUBST(EXTRA_CC_FILES)
260 case "$TARGET_ECOS" in
265 PLATFORMOBJS=win32.lo
267 CHECK_FOR_BROKEN_MINGW_LD
272 PLATFORMOBJS=posix.lo
280 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
281 PLATFORMOBJS=posix.lo
285 AC_SUBST(PLATFORMOBJS)
286 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
288 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
289 [Define if you have int32_t and uint32_t.]))
290 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
291 [Define if you have int32_t and uint32_t.]))
292 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
293 [Define if you have u_int32_t]))
294 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
295 [Define if you have u_int32_t]))
298 dnl These may not be defined in a non-ANS conformant embedded system.
299 dnl FIXME: Should these case a runtime exception in that case?
300 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
301 [Define is you have 'mktime' in <time.h>]))
302 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
303 [Define is you have 'localtime' in <time.h>]))
305 dnl Create the subdirectory for natFile.cc, or the attempt
306 dnl to create the link will fail.
307 test -d java || mkdir java
308 test -d java/io || mkdir java/io
309 test -d gnu || mkdir gnu
310 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.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)
332 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
333 AC_LINK_FILES(gnu/java/nio/channels/natFileChannel${PLATFORM}.cc, gnu/java/nio/channels/natFileChannelImpl.cc)
337 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
338 if test "${with_win32_nlsapi}" = "unicows"; then
339 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
348 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
349 AC_SUBST(LIBGCJTESTSPEC)
351 AC_ARG_WITH(system-zlib,
352 [ --with-system-zlib use installed libz])
356 AC_SUBST(ZLIBTESTSPEC)
360 dnl Determine which AWT peer libraries to build
361 AC_ARG_ENABLE(java-awt,
362 [ --enable-java-awt list of AWT peer implementations to be built])
364 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
367 # The default toolkit to use is the first one specified.
371 for peer in $peerlibs ; do
374 if test "$no_x" = yes; then
375 echo "*** xlib peers requested but no X library available" 1>&2
379 if test -z "$TOOLKIT"; then
380 TOOLKIT=gnu.awt.xlib.XToolkit
385 if test "$no_x" = yes; then
386 echo "*** xlib peers requested but no X library available" 1>&2
390 if test -z "$TOOLKIT"; then
391 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
393 test -d jniinclude || mkdir jniinclude
402 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
407 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
408 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
410 dnl determine whether to enable the cairo GTK Graphics2D backend
411 AC_ARG_ENABLE(gtk-cairo, [ --enable-gtk-cairo build the cairo Graphics2D implementation on GTK])
412 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
413 if test "x${enable_gtk_cairo}" = xyes
415 PKG_CHECK_MODULES(CAIRO, cairo)
416 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
419 AC_SUBST(CAIRO_CFLAGS)
420 AC_SUBST(PANGOFT2_LIBS)
421 AC_SUBST(PANGOFT2_CFLAGS)
423 dnl FIXME: this should be _libs on some hosts.
426 dnl Allow the GC to be disabled. Can be useful when debugging.
427 AC_MSG_CHECKING([for garbage collector to use])
428 AC_ARG_ENABLE(java-gc,
429 changequote(<<,>>)dnl
430 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
444 GCLIBS=../boehm-gc/libgcjgc_convenience.la
445 JC1GCSPEC='-fuse-boehm-gc'
446 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
448 dnl We also want to pick up some cpp flags required when including
449 dnl boehm-config.h. Yuck.
450 GCINCS="`cat ../boehm-gc/boehm-cflags`"
453 dnl The POSIX thread support needs to know this.
454 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
462 AC_MSG_ERROR(unrecognized collector \"$GC\")
472 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
475 AC_MSG_CHECKING([for thread model used by GCC])
476 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
477 AC_MSG_RESULT([$THREADS])
487 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
493 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
494 AC_MSG_ERROR(thread package $THREADS not yet supported)
497 AC_MSG_ERROR($THREADS is an unknown thread package)
513 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
518 # Before FreeBSD 5, it didn't have -lpthread (or any library which
519 # merely adds pthread_* functions) but it does have a -pthread switch
520 # which is required at link-time to select -lc_r *instead* of -lc.
521 THREADLDFLAGS=-pthread
522 # Don't set THREADSPEC here as might be expected since -pthread is
523 # not processed when found within a spec file, it must come from
524 # the command line. For now, the user must provide the -pthread
525 # switch to link code compiled with gcj. In future, consider adding
526 # support for weak references to pthread_* functions ala gthr.h API.
527 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
530 # FreeBSD 5 implements a model much closer to other modern UNIX
531 # which support threads. However, it still does not support
533 THREADLDFLAGS=-pthread
537 THREADCXXFLAGS=-pthread
538 # boehm-gc needs some functions from librt, so link that too.
539 THREADLIBS='-lpthread -lrt'
540 THREADSPEC='-lpthread -lrt'
547 THREADOBJS=posix-threads.lo
548 THREADH=posix-threads.h
549 # MIT pthreads doesn't seem to have the mutexattr functions.
550 # But for now we don't check for it. We just assume you aren't
551 # using MIT pthreads.
552 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
554 # If we're using the Boehm GC, then we happen to know that it
555 # defines _REENTRANT, so we don't bother. Eww.
556 if test "$GC" != boehm; then
557 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
559 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
563 THREADOBJS=win32-threads.lo
564 THREADH=win32-threads.h
568 THREADOBJS=no-threads.lo
572 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
578 AC_SUBST(THREADLDFLAGS)
579 AC_SUBST(THREADCXXFLAGS)
581 if test -d sysdep; then true; else mkdir sysdep; fi
582 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
585 # Hash synchronization is only useful with posix threads right now.
586 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
587 HASH_SYNC_SPEC=-fhash-synchronization
588 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
590 AC_SUBST(HASH_SYNC_SPEC)
593 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
599 # We're in the tree with gcc, and need to include some of its headers.
600 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
602 # Figure out where generated headers like libgcj-config.h get installed.
604 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
605 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
606 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
607 tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
609 AC_SUBST(tool_include_dir)
610 AC_SUBST(gcc_version)
612 if test "x${with_newlib}" = "xyes"; then
613 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
614 # may not work correctly, because the compiler may not be able to
617 # We assume newlib. This lets us hard-code the functions we know
619 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
620 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
621 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
622 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
623 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
624 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
625 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
626 dnl This is only for POSIX threads.
627 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
628 dnl We also assume we are using gcc, which provides alloca.
629 AC_DEFINE(HAVE_ALLOCA)
631 dnl Assume we do not have getuid and friends.
632 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
635 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
636 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
637 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
638 AC_CHECK_FUNCS(nl_langinfo setlocale)
639 AC_CHECK_FUNCS(inet_aton inet_addr, break)
640 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
641 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
642 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
643 AC_CHECK_FUNC(backtrace, [
646 # Has broken backtrace()
649 # Has broken backtrace(), but we supply our own.
650 if test -d sysdep; then true; else mkdir -p sysdep; fi
651 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
652 AC_DEFINE(HAVE_BACKTRACE, 1,
653 [Define if your platform has a working backtrace() function.])
656 AC_DEFINE(HAVE_BACKTRACE, 1,
657 [Define if your platform has a working backtrace() function.])
663 # Has backtrace() defined in libgcj itself
664 AC_DEFINE(HAVE_BACKTRACE, 1,
665 [Define if your platform has a working backtrace() function.])
670 AC_CHECK_LIB(dl, dladdr, [
671 if test "x${disable_dladdr}" = "xyes"; then
675 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
678 if test x"$build" = x"$host"; then
679 AC_CHECK_FILES(/proc/self/exe, [
680 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
684 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
693 AC_CHECK_FUNCS(gethostbyname_r, [
694 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
695 [Define if you have the 'gethostbyname_r' function.])
696 # There are two different kinds of gethostbyname_r.
697 # We look for the one that returns `int'.
698 # Hopefully this check is robust enough.
699 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
700 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
703 *" -D_REENTRANT "*) ;;
705 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
706 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
707 [libjava_cv_gethostbyname_r_needs_reentrant],
710 AC_TRY_COMPILE([#include <netdb.h>],
711 [gethostbyname_r("", 0, 0);],
712 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
713 CPPFLAGS_SAVE="$CPPFLAGS"
714 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
715 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
716 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
717 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
718 CPPFLAGS="$CPPFLAGS_SAVE"
722 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
723 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
728 AC_CACHE_CHECK([for struct hostent_data],
729 [libjava_cv_struct_hostent_data], [dnl
731 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
732 # define _REENTRANT 1
734 #include <netdb.h>], [struct hostent_data data;],
735 [libjava_cv_struct_hostent_data=yes],
736 [libjava_cv_struct_hostent_data=no])])
737 if test "x$libjava_cv_struct_hostent_data" = xyes; then
738 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
739 [Define if struct hostent_data is defined in netdb.h])
743 # FIXME: libjava source code expects to find a prototype for
744 # gethostbyaddr_r in netdb.h. The outer check ensures that
745 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
746 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
747 # linkage check is enough, yet C++ code requires proper prototypes.)
748 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
749 AC_CHECK_FUNCS(gethostbyaddr_r, [
750 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
751 [Define if you have the 'gethostbyaddr_r' function.])
752 # There are two different kinds of gethostbyaddr_r.
753 # We look for the one that returns `int'.
754 # Hopefully this check is robust enough.
755 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
756 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
757 [Define if gethostbyaddr_r returns 'int'.])])])])
759 AC_CHECK_FUNCS(gethostname, [
760 AC_DEFINE(HAVE_GETHOSTNAME, 1,
761 [Define if you have the 'gethostname' function.])
762 AC_EGREP_HEADER(gethostname, unistd.h, [
763 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
764 [Define if gethostname is declared in <unistd.h>.])])])
766 AC_CHECK_FUNCS(usleep, [
767 AC_EGREP_HEADER(usleep, unistd.h, [
768 AC_DEFINE(HAVE_USLEEP_DECL, 1,
769 [Define if usleep is declared in <unistd.h>.])])])
771 # Look for these functions in the thread library, but only bother
772 # if using POSIX threads.
773 if test "$THREADS" = posix; then
775 LIBS="$LIBS $THREADLIBS"
776 # Some POSIX thread systems don't have pthread_mutexattr_settype.
778 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
780 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
781 # Solaris 7 the name librt is preferred.
782 AC_CHECK_FUNCS(sched_yield, , [
783 AC_CHECK_LIB(rt, sched_yield, [
784 AC_DEFINE(HAVE_SCHED_YIELD)
785 THREADLIBS="$THREADLIBS -lrt"
786 THREADSPEC="$THREADSPEC -lrt"], [
787 AC_CHECK_LIB(posix4, sched_yield, [
788 AC_DEFINE(HAVE_SCHED_YIELD)
789 THREADLIBS="$THREADLIBS -lposix4"
790 THREADSPEC="$THREADSPEC -lposix4"])])])
793 # We can save a little space at runtime if the mutex has m_count
794 # or __m_count. This is a nice hack for Linux.
795 AC_TRY_COMPILE([#include <pthread.h>], [
796 extern pthread_mutex_t *mutex; int q = mutex->m_count;
797 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
798 [Define if pthread_mutex_t has m_count member.]), [
799 AC_TRY_COMPILE([#include <pthread.h>], [
800 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
801 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
802 [Define if pthread_mutex_t has __m_count member.]))])
805 # We require a way to get the time.
807 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
808 if test "$time_found" = no; then
809 AC_MSG_ERROR([no function found to get the time])
812 AC_CHECK_FUNCS(memmove)
816 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
817 if test "$memcpy_found" = no; then
818 AC_MSG_ERROR([memcpy is required])
821 AC_CHECK_LIB(dl, dlopen, [
822 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
824 # Some library-finding code we stole from Tcl.
825 #--------------------------------------------------------------------
826 # Check for the existence of the -lsocket and -lnsl libraries.
827 # The order here is important, so that they end up in the right
828 # order in the command line generated by make. Here are some
829 # special considerations:
830 # 1. Use "connect" and "accept" to check for -lsocket, and
831 # "gethostbyname" to check for -lnsl.
832 # 2. Use each function name only once: can't redo a check because
833 # autoconf caches the results of the last check and won't redo it.
834 # 3. Use -lnsl and -lsocket only if they supply procedures that
835 # aren't already present in the normal libraries. This is because
836 # IRIX 5.2 has libraries, but they aren't needed and they're
837 # bogus: they goof up name resolution if used.
838 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
839 # To get around this problem, check for both libraries together
840 # if -lsocket doesn't work by itself.
841 #--------------------------------------------------------------------
843 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
846 unset ac_cv_func_connect
847 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
848 if test "$gcj_checkSocket" = 1; then
849 unset ac_cv_func_connect
850 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
853 if test "$gcj_checkBoth" = 1; then
855 LIBS="$LIBS -lsocket -lnsl"
856 unset ac_cv_func_accept
857 AC_CHECK_FUNC(accept,
859 gcj_cv_lib_sockets="-lsocket -lnsl"])
860 unset ac_cv_func_accept
863 unset ac_cv_func_gethostbyname
865 LIBS="$LIBS $gcj_cv_lib_sockets"
866 AC_CHECK_FUNC(gethostbyname, ,
867 [AC_CHECK_LIB(nsl, main,
868 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
869 unset ac_cv_func_gethostbyname
872 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
874 if test "$with_system_zlib" = yes; then
875 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
878 # Test for Gtk stuff, if asked for.
879 if test "$use_gtk_awt" = yes; then
880 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.2)
884 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.2 gthread-2.0 >= 2.2)
885 AC_SUBST(GLIB_CFLAGS)
888 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
889 AC_SUBST(LIBART_CFLAGS)
890 AC_SUBST(LIBART_LIBS)
893 # On Solaris, and maybe other architectures, the Boehm collector
895 if test "$GC" = boehm; then
896 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
900 if test -z "${with_multisubdir}"; then
904 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
908 # Which gcj do we use?
910 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
911 if test -n "${with_cross_host}"; then
912 # We are being configured with a cross compiler. We can't
913 # use ac_exeext, because that is for the target platform.
916 case "${with_cross_host}" in
918 cross_host_exeext=.exe
921 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
922 if test x"$build_alias" = x"$with_cross_host"; then
923 # Ordinary cross (host!=target and host=build)
926 # Canadian cross (host!=target and host!=build)
933 # We are being configured with a native or crossed-native compiler
934 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
935 if test x"$build" = x"$host"; then
936 # True native build (host=target and host=build)
939 # Crossed-native build (host=target and host!=build)
946 case "${which_gcj}" in
948 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
951 # See the comment in Makefile.am about CANADIAN being a misnomer
954 if test "x${with_newlib}" = "xyes"; then
955 # FIXME (comment): Why is this needed?
957 GCJ="${target_alias}-gcj"
959 GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
963 # See the comment in Makefile.am about CANADIAN being a misnomer
966 GCJ="gcj -B`${PWDCMD-pwd}`/"
970 # Create it, so that compile/link tests don't fail
971 test -f libgcj.spec || touch libgcj.spec
973 # We must search the source tree for java.lang, since we still don't
974 # have libgcj.jar nor java/lang/*.class
975 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
976 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
978 # Since some classes depend on this one, we need its source available
979 # before we can do any GCJ compilation test :-(
980 if test ! -f gnu/classpath/Configuration.java; then
981 test -d gnu || mkdir gnu
982 test -d gnu/classpath || mkdir gnu/classpath
983 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
984 -e 's,@TOOLKIT@,$TOOLKIT,' \
985 < $srcdir/gnu/classpath/Configuration.java.in \
986 > gnu/classpath/Configuration.java
987 # We do not want to redirect the output of the grep below to /dev/null,
988 # but we add /dev/null to the input list so that grep will print the
989 # filename of Configuration.java in case it finds any matches.
990 if grep @ gnu/classpath/Configuration.java /dev/null; then
991 AC_MSG_ERROR([configure.in is missing the substitutions above])
997 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
999 AC_COMPILE_CHECK_SIZEOF(void *)
1005 if test -z "$ZLIBSPEC"; then
1006 # Use zlib from the GCC tree.
1007 ZINCS='-I$(top_srcdir)/../zlib'
1008 ZLIBS=../zlib/libzgcj_convenience.la
1011 SYS_ZLIBS="$ZLIBSPEC"
1016 AC_SUBST(DIVIDESPEC)
1017 AC_SUBST(CHECKREFSPEC)
1018 AC_SUBST(EXCEPTIONSPEC)
1021 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
1022 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
1023 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
1024 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1025 AC_SUBST(GCC_UNWIND_INCLUDE)
1027 if test -n "$with_cross_host" &&
1028 test x"$with_cross_host" != x"no"; then
1029 toolexecdir='$(exec_prefix)/$(target_alias)'
1030 toolexecmainlibdir='$(toolexecdir)/lib'
1032 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1033 toolexecmainlibdir='$(libdir)'
1035 multi_os_directory=`$CC -print-multi-os-directory`
1036 case $multi_os_directory in
1037 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1038 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1040 AC_SUBST(toolexecdir)
1041 AC_SUBST(toolexecmainlibdir)
1042 AC_SUBST(toolexeclibdir)
1044 # Determine gcj version number.
1046 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1048 GCJVERSION=$gcjversion
1049 AC_SUBST(GCJVERSION)
1050 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1052 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1053 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1054 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1055 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)
1056 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1057 dnl for now. If you change this, you also must update natFile.cc.
1058 AC_CHECK_HEADERS(dirent.h)
1059 AC_CHECK_HEADERS(inttypes.h, [
1060 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1061 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1065 AC_CHECK_TYPE([ssize_t], [int])
1067 AC_MSG_CHECKING([for in_addr_t])
1068 AC_TRY_COMPILE([#include <sys/types.h>
1073 #if HAVE_NETINET_IN_H
1074 #include <netinet/in.h>
1075 #endif], [in_addr_t foo;],
1076 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1077 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1078 AC_MSG_RESULT(yes)],
1079 [AC_MSG_RESULT(no)])
1081 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1082 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1083 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1084 [Define if struct ip_mreq is defined in netinet/in.h.])
1085 AC_MSG_RESULT(yes)],
1086 [AC_MSG_RESULT(no)])
1088 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1089 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1090 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1091 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1092 AC_MSG_RESULT(yes)],
1093 [AC_MSG_RESULT(no)])
1095 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1096 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1097 [AC_DEFINE(HAVE_INET6, 1,
1098 [Define if inet6 structures are defined in netinet/in.h.])
1099 AC_MSG_RESULT(yes)],
1100 [AC_MSG_RESULT(no)])
1102 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1103 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1104 #include <sys/types.h>
1105 #include <sys/socket.h>], [socklen_t x = 5;],
1106 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1107 AC_MSG_RESULT(yes)],
1108 [AC_MSG_RESULT(no)])
1110 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1111 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1112 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1113 AC_MSG_RESULT(yes)],
1115 AC_MSG_CHECKING([for global timezone variable])
1116 dnl FIXME: we don't want a link check here because that won't work
1117 dnl when cross-compiling. So instead we make an assumption that
1118 dnl the header file will mention timezone if it exists.
1119 dnl Don't find the win32 function timezone
1120 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1121 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1122 AC_MSG_RESULT(yes)],
1124 AC_MSG_CHECKING([for global _timezone variable])
1125 dnl FIXME: As above, don't want link check
1126 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1127 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1128 [Define if your platform has the global _timezone variable.])
1129 AC_MSG_RESULT(yes)],
1130 [AC_MSG_RESULT(no)])])])
1135 AC_CHECK_PROGS(PERL, perl, false)
1142 SIGNAL_HANDLER=include/i386-signal.h
1144 sparc*-sun-solaris*)
1145 SIGNAL_HANDLER=include/sparc-signal.h
1148 # SYSDEP_SOURCES=sysdep/ia64.c
1149 # test -d sysdep || mkdir sysdep
1152 SIGNAL_HANDLER=include/dwarf2-signal.h
1155 SIGNAL_HANDLER=include/powerpc-signal.h
1158 SIGNAL_HANDLER=include/dwarf2-signal.h
1161 SIGNAL_HANDLER=include/s390-signal.h
1164 SIGNAL_HANDLER=include/x86_64-signal.h
1165 SIGNAL_HANDLER_AUX=include/i386-signal.h
1168 SIGNAL_HANDLER=include/dwarf2-signal.h
1170 sh-*-linux* | sh[[34]]*-*-linux*)
1171 SIGNAL_HANDLER=include/dwarf2-signal.h
1174 SIGNAL_HANDLER=include/win32-signal.h
1177 SIGNAL_HANDLER=include/mips-signal.h
1180 SIGNAL_HANDLER=include/default-signal.h
1184 # If we're using sjlj exceptions, forget what we just learned.
1185 if test "$enable_sjlj_exceptions" = yes; then
1186 SIGNAL_HANDLER=include/default-signal.h
1190 # Define here any compiler flags that you need in order to make backtrace() work.
1193 x86_64*-*-linux*|i?86-*)
1194 BACKTRACESPEC=-fno-omit-frame-pointer
1197 AC_SUBST(BACKTRACESPEC)
1199 AC_SUBST(SYSDEP_SOURCES)
1201 if test -z "$SIGNAL_HANDLER_AUX"; then
1202 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1205 AC_LINK_FILES($SIGNAL_HANDLER $SIGNAL_HANDLER_AUX,
1206 include/java-signal.h include/java-signal-aux.h)
1208 if test "${multilib}" = "yes"; then
1209 multilib_arg="--enable-multilib"
1216 here=`${PWDCMD-pwd}`
1219 # We get this from the environment.
1222 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1223 [# Only add multilib support code if we just rebuilt top-level Makefile.
1224 case " $CONFIG_FILES " in
1226 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1227 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1231 # Make subdirectories and `.d' files. Look in both srcdir and
1232 # builddir for the .java files.
1235 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1236 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1237 fgrep -v testsuite | \
1238 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1240 echo "include $f" >> deps.mk
1243 d=`echo $f | sed -e 's,/[^/]*$,,'`
1245 if test ! -d $d; then
1246 $libgcj_basedir/../mkinstalldirs $d
1255 with_multisubdir=${with_multisubdir}
1256 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1257 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1258 libgcj_basedir=${libgcj_basedir}
1261 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"