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)
408 dnl determine whether to enable the cairo GTK Graphics2D backend
409 AC_ARG_ENABLE(gtk-cairo, [ --enable-gtk-cairo build the cairo Graphics2D implementation on GTK])
410 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
411 if test "x${enable_gtk_cairo}" = xyes
413 PKG_CHECK_MODULES(CAIRO, cairo)
414 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
417 AC_SUBST(CAIRO_CFLAGS)
418 AC_SUBST(PANGOFT2_LIBS)
419 AC_SUBST(PANGOFT2_CFLAGS)
421 dnl FIXME: this should be _libs on some hosts.
424 dnl Allow the GC to be disabled. Can be useful when debugging.
425 AC_MSG_CHECKING([for garbage collector to use])
426 AC_ARG_ENABLE(java-gc,
427 changequote(<<,>>)dnl
428 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
442 GCLIBS=../boehm-gc/libgcjgc_convenience.la
443 JC1GCSPEC='-fuse-boehm-gc'
444 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
446 dnl We also want to pick up some cpp flags required when including
447 dnl boehm-config.h. Yuck.
448 GCINCS="`cat ../boehm-gc/boehm-cflags`"
451 dnl The POSIX thread support needs to know this.
452 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
460 AC_MSG_ERROR(unrecognized collector \"$GC\")
470 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
473 AC_MSG_CHECKING([for thread model used by GCC])
474 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
475 AC_MSG_RESULT([$THREADS])
485 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
491 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
492 AC_MSG_ERROR(thread package $THREADS not yet supported)
495 AC_MSG_ERROR($THREADS is an unknown thread package)
511 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
516 # Before FreeBSD 5, it didn't have -lpthread (or any library which
517 # merely adds pthread_* functions) but it does have a -pthread switch
518 # which is required at link-time to select -lc_r *instead* of -lc.
519 THREADLDFLAGS=-pthread
520 # Don't set THREADSPEC here as might be expected since -pthread is
521 # not processed when found within a spec file, it must come from
522 # the command line. For now, the user must provide the -pthread
523 # switch to link code compiled with gcj. In future, consider adding
524 # support for weak references to pthread_* functions ala gthr.h API.
525 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
528 # FreeBSD 5 implements a model much closer to other modern UNIX
529 # which support threads. However, it still does not support
531 THREADLDFLAGS=-pthread
535 THREADCXXFLAGS=-pthread
536 # boehm-gc needs some functions from librt, so link that too.
537 THREADLIBS='-lpthread -lrt'
538 THREADSPEC='-lpthread -lrt'
545 THREADOBJS=posix-threads.lo
546 THREADH=posix-threads.h
547 # MIT pthreads doesn't seem to have the mutexattr functions.
548 # But for now we don't check for it. We just assume you aren't
549 # using MIT pthreads.
550 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
552 # If we're using the Boehm GC, then we happen to know that it
553 # defines _REENTRANT, so we don't bother. Eww.
554 if test "$GC" != boehm; then
555 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
557 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
561 THREADOBJS=win32-threads.lo
562 THREADH=win32-threads.h
566 THREADOBJS=no-threads.lo
570 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
576 AC_SUBST(THREADLDFLAGS)
577 AC_SUBST(THREADCXXFLAGS)
579 if test -d sysdep; then true; else mkdir sysdep; fi
580 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
583 # Hash synchronization is only useful with posix threads right now.
584 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
585 HASH_SYNC_SPEC=-fhash-synchronization
586 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
588 AC_SUBST(HASH_SYNC_SPEC)
591 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
597 # We're in the tree with gcc, and need to include some of its headers.
598 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
600 # Figure out where generated headers like libgcj-config.h get installed.
602 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
603 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
604 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
605 tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
607 AC_SUBST(tool_include_dir)
608 AC_SUBST(gcc_version)
610 if test "x${with_newlib}" = "xyes"; then
611 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
612 # may not work correctly, because the compiler may not be able to
615 # We assume newlib. This lets us hard-code the functions we know
617 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
618 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
619 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
620 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
621 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
622 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
623 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
624 dnl This is only for POSIX threads.
625 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
626 dnl We also assume we are using gcc, which provides alloca.
627 AC_DEFINE(HAVE_ALLOCA)
629 dnl Assume we do not have getuid and friends.
630 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
633 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
634 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
635 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
636 AC_CHECK_FUNCS(nl_langinfo setlocale)
637 AC_CHECK_FUNCS(inet_aton inet_addr, break)
638 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
639 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
640 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
641 AC_CHECK_FUNC(backtrace, [
644 # Has broken backtrace()
647 # Has broken backtrace(), but we supply our own.
648 if test -d sysdep; then true; else mkdir -p sysdep; fi
649 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
650 AC_DEFINE(HAVE_BACKTRACE, 1,
651 [Define if your platform has a working backtrace() function.])
654 AC_DEFINE(HAVE_BACKTRACE, 1,
655 [Define if your platform has a working backtrace() function.])
661 # Has backtrace() defined in libgcj itself
662 AC_DEFINE(HAVE_BACKTRACE, 1,
663 [Define if your platform has a working backtrace() function.])
668 AC_CHECK_LIB(dl, dladdr, [
669 if test "x${disable_dladdr}" = "xyes"; then
673 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
676 if test x"$build" = x"$host"; then
677 AC_CHECK_FILES(/proc/self/exe, [
678 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
682 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
691 AC_CHECK_FUNCS(gethostbyname_r, [
692 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
693 [Define if you have the 'gethostbyname_r' function.])
694 # There are two different kinds of gethostbyname_r.
695 # We look for the one that returns `int'.
696 # Hopefully this check is robust enough.
697 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
698 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
701 *" -D_REENTRANT "*) ;;
703 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
704 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
705 [libjava_cv_gethostbyname_r_needs_reentrant],
708 AC_TRY_COMPILE([#include <netdb.h>],
709 [gethostbyname_r("", 0, 0);],
710 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
711 CPPFLAGS_SAVE="$CPPFLAGS"
712 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
713 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
714 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
715 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
716 CPPFLAGS="$CPPFLAGS_SAVE"
720 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
721 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
726 AC_CACHE_CHECK([for struct hostent_data],
727 [libjava_cv_struct_hostent_data], [dnl
729 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
730 # define _REENTRANT 1
732 #include <netdb.h>], [struct hostent_data data;],
733 [libjava_cv_struct_hostent_data=yes],
734 [libjava_cv_struct_hostent_data=no])])
735 if test "x$libjava_cv_struct_hostent_data" = xyes; then
736 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
737 [Define if struct hostent_data is defined in netdb.h])
741 # FIXME: libjava source code expects to find a prototype for
742 # gethostbyaddr_r in netdb.h. The outer check ensures that
743 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
744 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
745 # linkage check is enough, yet C++ code requires proper prototypes.)
746 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
747 AC_CHECK_FUNCS(gethostbyaddr_r, [
748 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
749 [Define if you have the 'gethostbyaddr_r' function.])
750 # There are two different kinds of gethostbyaddr_r.
751 # We look for the one that returns `int'.
752 # Hopefully this check is robust enough.
753 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
754 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
755 [Define if gethostbyaddr_r returns 'int'.])])])])
757 AC_CHECK_FUNCS(gethostname, [
758 AC_DEFINE(HAVE_GETHOSTNAME, 1,
759 [Define if you have the 'gethostname' function.])
760 AC_EGREP_HEADER(gethostname, unistd.h, [
761 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
762 [Define if gethostname is declared in <unistd.h>.])])])
764 AC_CHECK_FUNCS(usleep, [
765 AC_EGREP_HEADER(usleep, unistd.h, [
766 AC_DEFINE(HAVE_USLEEP_DECL, 1,
767 [Define if usleep is declared in <unistd.h>.])])])
769 # Look for these functions in the thread library, but only bother
770 # if using POSIX threads.
771 if test "$THREADS" = posix; then
773 LIBS="$LIBS $THREADLIBS"
774 # Some POSIX thread systems don't have pthread_mutexattr_settype.
776 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
778 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
779 # Solaris 7 the name librt is preferred.
780 AC_CHECK_FUNCS(sched_yield, , [
781 AC_CHECK_LIB(rt, sched_yield, [
782 AC_DEFINE(HAVE_SCHED_YIELD)
783 THREADLIBS="$THREADLIBS -lrt"
784 THREADSPEC="$THREADSPEC -lrt"], [
785 AC_CHECK_LIB(posix4, sched_yield, [
786 AC_DEFINE(HAVE_SCHED_YIELD)
787 THREADLIBS="$THREADLIBS -lposix4"
788 THREADSPEC="$THREADSPEC -lposix4"])])])
791 # We can save a little space at runtime if the mutex has m_count
792 # or __m_count. This is a nice hack for Linux.
793 AC_TRY_COMPILE([#include <pthread.h>], [
794 extern pthread_mutex_t *mutex; int q = mutex->m_count;
795 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
796 [Define if pthread_mutex_t has m_count member.]), [
797 AC_TRY_COMPILE([#include <pthread.h>], [
798 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
799 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
800 [Define if pthread_mutex_t has __m_count member.]))])
803 # We require a way to get the time.
805 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
806 if test "$time_found" = no; then
807 AC_MSG_ERROR([no function found to get the time])
810 AC_CHECK_FUNCS(memmove)
814 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
815 if test "$memcpy_found" = no; then
816 AC_MSG_ERROR([memcpy is required])
819 AC_CHECK_LIB(dl, dlopen, [
820 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
822 # Some library-finding code we stole from Tcl.
823 #--------------------------------------------------------------------
824 # Check for the existence of the -lsocket and -lnsl libraries.
825 # The order here is important, so that they end up in the right
826 # order in the command line generated by make. Here are some
827 # special considerations:
828 # 1. Use "connect" and "accept" to check for -lsocket, and
829 # "gethostbyname" to check for -lnsl.
830 # 2. Use each function name only once: can't redo a check because
831 # autoconf caches the results of the last check and won't redo it.
832 # 3. Use -lnsl and -lsocket only if they supply procedures that
833 # aren't already present in the normal libraries. This is because
834 # IRIX 5.2 has libraries, but they aren't needed and they're
835 # bogus: they goof up name resolution if used.
836 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
837 # To get around this problem, check for both libraries together
838 # if -lsocket doesn't work by itself.
839 #--------------------------------------------------------------------
841 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
844 unset ac_cv_func_connect
845 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
846 if test "$gcj_checkSocket" = 1; then
847 unset ac_cv_func_connect
848 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
851 if test "$gcj_checkBoth" = 1; then
853 LIBS="$LIBS -lsocket -lnsl"
854 unset ac_cv_func_accept
855 AC_CHECK_FUNC(accept,
857 gcj_cv_lib_sockets="-lsocket -lnsl"])
858 unset ac_cv_func_accept
861 unset ac_cv_func_gethostbyname
863 LIBS="$LIBS $gcj_cv_lib_sockets"
864 AC_CHECK_FUNC(gethostbyname, ,
865 [AC_CHECK_LIB(nsl, main,
866 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
867 unset ac_cv_func_gethostbyname
870 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
872 if test "$with_system_zlib" = yes; then
873 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
876 # Test for Gtk stuff, if asked for.
877 if test "$use_gtk_awt" = yes; then
878 AM_PATH_GTK_2_0(2.2.0,,exit 1)
879 AM_PATH_GLIB_2_0(2.2.0,,exit 1,gthread)
880 dnl XXX Fix me when libart.m4 has the compile test fixed!
882 AM_PATH_LIBART(2.1.0,,exit 1)
885 # On Solaris, and maybe other architectures, the Boehm collector
887 if test "$GC" = boehm; then
888 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
892 if test -z "${with_multisubdir}"; then
896 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
900 # Which gcj do we use?
902 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
903 if test -n "${with_cross_host}"; then
904 # We are being configured with a cross compiler. We can't
905 # use ac_exeext, because that is for the target platform.
908 case "${with_cross_host}" in
910 cross_host_exeext=.exe
913 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
914 if test x"$build_alias" = x"$with_cross_host"; then
915 # Ordinary cross (host!=target and host=build)
918 # Canadian cross (host!=target and host!=build)
925 # We are being configured with a native or crossed-native compiler
926 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
927 if test x"$build" = x"$host"; then
928 # True native build (host=target and host=build)
931 # Crossed-native build (host=target and host!=build)
938 case "${which_gcj}" in
940 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
943 # See the comment in Makefile.am about CANADIAN being a misnomer
946 if test "x${with_newlib}" = "xyes"; then
947 # FIXME (comment): Why is this needed?
949 GCJ="${target_alias}-gcj"
951 GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
955 # See the comment in Makefile.am about CANADIAN being a misnomer
958 GCJ="gcj -B`${PWDCMD-pwd}`/"
962 # Create it, so that compile/link tests don't fail
963 test -f libgcj.spec || touch libgcj.spec
965 # We must search the source tree for java.lang, since we still don't
966 # have libgcj.jar nor java/lang/*.class
967 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
968 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
970 # Since some classes depend on this one, we need its source available
971 # before we can do any GCJ compilation test :-(
972 if test ! -f gnu/classpath/Configuration.java; then
973 test -d gnu || mkdir gnu
974 test -d gnu/classpath || mkdir gnu/classpath
975 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
976 -e 's,@TOOLKIT@,$TOOLKIT,' \
977 < $srcdir/gnu/classpath/Configuration.java.in \
978 > gnu/classpath/Configuration.java
979 # We do not want to redirect the output of the grep below to /dev/null,
980 # but we add /dev/null to the input list so that grep will print the
981 # filename of Configuration.java in case it finds any matches.
982 if grep @ gnu/classpath/Configuration.java /dev/null; then
983 AC_MSG_ERROR([configure.in is missing the substitutions above])
989 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
991 AC_COMPILE_CHECK_SIZEOF(void *)
997 if test -z "$ZLIBSPEC"; then
998 # Use zlib from the GCC tree.
999 ZINCS='-I$(top_srcdir)/../zlib'
1000 ZLIBS=../zlib/libzgcj_convenience.la
1003 SYS_ZLIBS="$ZLIBSPEC"
1008 AC_SUBST(DIVIDESPEC)
1009 AC_SUBST(CHECKREFSPEC)
1010 AC_SUBST(EXCEPTIONSPEC)
1013 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
1014 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
1015 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
1016 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1017 AC_SUBST(GCC_UNWIND_INCLUDE)
1019 if test -n "$with_cross_host" &&
1020 test x"$with_cross_host" != x"no"; then
1021 toolexecdir='$(exec_prefix)/$(target_alias)'
1022 toolexecmainlibdir='$(toolexecdir)/lib'
1024 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1025 toolexecmainlibdir='$(libdir)'
1027 multi_os_directory=`$CC -print-multi-os-directory`
1028 case $multi_os_directory in
1029 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1030 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1032 AC_SUBST(toolexecdir)
1033 AC_SUBST(toolexecmainlibdir)
1034 AC_SUBST(toolexeclibdir)
1036 # Determine gcj version number.
1038 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1040 GCJVERSION=$gcjversion
1041 AC_SUBST(GCJVERSION)
1042 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1044 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1045 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1046 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1047 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)
1048 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1049 dnl for now. If you change this, you also must update natFile.cc.
1050 AC_CHECK_HEADERS(dirent.h)
1051 AC_CHECK_HEADERS(inttypes.h, [
1052 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1053 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1057 AC_CHECK_TYPE([ssize_t], [int])
1059 AC_MSG_CHECKING([for in_addr_t])
1060 AC_TRY_COMPILE([#include <sys/types.h>
1065 #if HAVE_NETINET_IN_H
1066 #include <netinet/in.h>
1067 #endif], [in_addr_t foo;],
1068 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1069 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1070 AC_MSG_RESULT(yes)],
1071 [AC_MSG_RESULT(no)])
1073 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1074 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1075 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1076 [Define if struct ip_mreq is defined in netinet/in.h.])
1077 AC_MSG_RESULT(yes)],
1078 [AC_MSG_RESULT(no)])
1080 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1081 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1082 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1083 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1084 AC_MSG_RESULT(yes)],
1085 [AC_MSG_RESULT(no)])
1087 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1088 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1089 [AC_DEFINE(HAVE_INET6, 1,
1090 [Define if inet6 structures are defined in netinet/in.h.])
1091 AC_MSG_RESULT(yes)],
1092 [AC_MSG_RESULT(no)])
1094 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1095 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1096 #include <sys/types.h>
1097 #include <sys/socket.h>], [socklen_t x = 5;],
1098 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1099 AC_MSG_RESULT(yes)],
1100 [AC_MSG_RESULT(no)])
1102 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1103 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1104 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1105 AC_MSG_RESULT(yes)],
1107 AC_MSG_CHECKING([for global timezone variable])
1108 dnl FIXME: we don't want a link check here because that won't work
1109 dnl when cross-compiling. So instead we make an assumption that
1110 dnl the header file will mention timezone if it exists.
1111 dnl Don't find the win32 function timezone
1112 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1113 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1114 AC_MSG_RESULT(yes)],
1116 AC_MSG_CHECKING([for global _timezone variable])
1117 dnl FIXME: As above, don't want link check
1118 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1119 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1120 [Define if your platform has the global _timezone variable.])
1121 AC_MSG_RESULT(yes)],
1122 [AC_MSG_RESULT(no)])])])
1127 AC_CHECK_PROGS(PERL, perl, false)
1133 SIGNAL_HANDLER=include/i386-signal.h
1135 sparc*-sun-solaris*)
1136 SIGNAL_HANDLER=include/sparc-signal.h
1139 # SYSDEP_SOURCES=sysdep/ia64.c
1140 # test -d sysdep || mkdir sysdep
1143 SIGNAL_HANDLER=include/dwarf2-signal.h
1146 SIGNAL_HANDLER=include/powerpc-signal.h
1149 SIGNAL_HANDLER=include/dwarf2-signal.h
1152 SIGNAL_HANDLER=include/s390-signal.h
1155 SIGNAL_HANDLER=include/x86_64-signal.h
1158 SIGNAL_HANDLER=include/dwarf2-signal.h
1160 sh-*-linux* | sh[[34]]*-*-linux*)
1161 SIGNAL_HANDLER=include/dwarf2-signal.h
1164 SIGNAL_HANDLER=include/win32-signal.h
1167 SIGNAL_HANDLER=include/mips-signal.h
1170 SIGNAL_HANDLER=include/default-signal.h
1174 # If we're using sjlj exceptions, forget what we just learned.
1175 if test "$enable_sjlj_exceptions" = yes; then
1176 SIGNAL_HANDLER=include/default-signal.h
1179 # Define here any compiler flags that you need in order to make backtrace() work.
1183 BACKTRACESPEC=-fno-omit-frame-pointer
1186 AC_SUBST(BACKTRACESPEC)
1188 AC_SUBST(SYSDEP_SOURCES)
1190 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
1192 if test "${multilib}" = "yes"; then
1193 multilib_arg="--enable-multilib"
1200 here=`${PWDCMD-pwd}`
1203 # We get this from the environment.
1206 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1207 [# Only add multilib support code if we just rebuilt top-level Makefile.
1208 case " $CONFIG_FILES " in
1210 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1211 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1215 # Make subdirectories and `.d' files. Look in both srcdir and
1216 # builddir for the .java files.
1219 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1220 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1221 fgrep -v testsuite | \
1222 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1224 echo "include $f" >> deps.mk
1227 d=`echo $f | sed -e 's,/[^/]*$,,'`
1229 if test ! -d $d; then
1230 $libgcj_basedir/../mkinstalldirs $d
1239 with_multisubdir=${with_multisubdir}
1240 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1241 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1242 libgcj_basedir=${libgcj_basedir}
1245 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"