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 dnl configure.host sets slow_pthread_self if the synchronization code should
101 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
102 if test "${slow_pthread_self}" = "yes"; then
103 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
104 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
108 dnl See if the user has requested runtime debugging.
110 AC_SUBST(LIBGCJDEBUG)
111 AC_ARG_ENABLE(libgcj-debug,
112 [ --enable-libgcj-debug enable runtime debugging code],
113 if test "$enable_libgcj_debug" = yes; then
114 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
118 dnl See if the user has the interpreter included.
119 AC_ARG_ENABLE(interpreter,
120 [ --enable-interpreter enable interpreter],
121 if test "$enable_interpreter" = yes; then
122 # This can also be set in configure.host.
123 libgcj_interpreter=yes
124 elif test "$enable_interpreter" = no; then
125 libgcj_interpreter=no
128 if test "$libgcj_interpreter" = yes; then
129 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
131 INTERPRETER="$libgcj_interpreter"
132 AC_SUBST(INTERPRETER)
134 AC_MSG_CHECKING([for exception model to use])
137 AC_ARG_ENABLE(sjlj-exceptions,
138 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
140 [dnl Botheration. Now we've got to detect the exception model.
141 dnl Link tests against libgcc.a are problematic since -- at least
142 dnl as of this writing -- we've not been given proper -L bits for
143 dnl single-tree newlib and libgloss.
145 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
146 dnl conftest files before we got a change to grep them first.
147 cat > conftest.$ac_ext << EOF
148 [#]line __oline__ "configure"
157 old_CXXFLAGS="$CXXFLAGS"
159 if AC_TRY_EVAL(ac_compile); then
160 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
161 enable_sjlj_exceptions=yes
162 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
163 enable_sjlj_exceptions=no
166 CXXFLAGS="$old_CXXFLAGS"
168 if test x$enable_sjlj_exceptions = xyes; then
169 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
170 [Define if the compiler is configured for setjmp/longjmp exceptions.])
171 ac_exception_model_name=sjlj
172 elif test x$enable_sjlj_exceptions = xno; then
173 ac_exception_model_name="call frame"
175 AC_MSG_ERROR([unable to detect exception model])
178 AC_MSG_RESULT($ac_exception_model_name)
180 # If we are non using SJLJ exceptions, and this host does not have support
181 # for unwinding from a signal handler, enable checked dereferences and divides.
182 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
183 CHECKREFSPEC=-fcheck-references
184 DIVIDESPEC=-fuse-divide-subroutine
188 dnl See if the user wants to disable java.net. This is the mildly
189 dnl ugly way that we admit that target-side configuration sucks.
190 AC_ARG_ENABLE(java-net,
191 [ --disable-java-net disable java.net])
193 dnl Whether java.net is built by default can depend on the target.
194 if test -z "$enable_java_net"; then
195 enable_java_net=${enable_java_net_default-yes}
197 if test "$enable_java_net" = no; then
198 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
201 dnl See if the user wants to configure without libffi. Some
202 dnl architectures don't support it, and default values are set in
205 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
209 if test "$with_libffi" != no; then
210 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
211 LIBFFI=../libffi/libffi_convenience.la
212 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
217 dnl See if the user wants to disable JVMPI support.
219 [ --disable-jvmpi disable JVMPI support])
221 if test "$enable_jvmpi" != no; then
222 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
225 dnl If the target is an eCos system, use the appropriate eCos
227 dnl FIXME: this should not be a local option but a global target
228 dnl system; at present there is no eCos target.
229 TARGET_ECOS=${PROCESS-"no"}
231 [ --with-ecos enable runtime eCos target support],
232 TARGET_ECOS="$with_ecos"
236 AC_SUBST(EXTRA_CC_FILES)
239 case "$TARGET_ECOS" in
244 PLATFORMOBJS=win32.lo
246 CHECK_FOR_BROKEN_MINGW_LD
251 PLATFORMOBJS=posix.lo
259 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
260 PLATFORMOBJS=posix.lo
264 AC_SUBST(PLATFORMOBJS)
265 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
267 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
268 [Define if you have int32_t and uint32_t.]))
269 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
270 [Define if you have int32_t and uint32_t.]))
271 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
272 [Define if you have u_int32_t]))
273 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
274 [Define if you have u_int32_t]))
277 dnl These may not be defined in a non-ANS conformant embedded system.
278 dnl FIXME: Should these case a runtime exception in that case?
279 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
280 [Define is you have 'mktime' in <time.h>]))
281 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
282 [Define is you have 'localtime' in <time.h>]))
284 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
285 dnl to create the link will fail.
286 test -d java || mkdir java
287 test -d java/io || mkdir java/io
288 test -d gnu || mkdir gnu
289 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
290 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
292 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
293 test -d java/lang || mkdir java/lang
294 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
295 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
297 dnl Likewise for natInetAddress.cc and natNetworkInterface.cc.
298 test -d java/net || mkdir java/net
299 AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc)
300 AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc)
302 dnl Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
303 test -d gnu/java || mkdir gnu/java
304 test -d gnu/java/net || mkdir gnu/java/net
305 AC_LINK_FILES(gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainSocketImpl.cc)
306 AC_LINK_FILES(gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainDatagramSocketImpl.cc)
308 dnl Likewise for natPipeImpl.cc and natSelectorImpl.cc.
309 test -d gnu/java/nio || mkdir gnu/java/nio
310 AC_LINK_FILES(gnu/java/nio/natPipeImpl${PLATFORM}.cc, gnu/java/nio/natPipeImpl.cc)
311 AC_LINK_FILES(gnu/java/nio/natSelectorImpl${PLATFORM}.cc, gnu/java/nio/natSelectorImpl.cc)
315 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
323 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
324 AC_SUBST(LIBGCJTESTSPEC)
326 AC_ARG_WITH(system-zlib,
327 [ --with-system-zlib use installed libz])
331 AC_SUBST(ZLIBTESTSPEC)
335 dnl Determine which AWT peer libraries to build
336 AC_ARG_ENABLE(java-awt,
337 [ --enable-java-awt list of AWT peer implementations to be built])
339 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
342 # The default toolkit to use is the first one specified.
346 for peer in $peerlibs ; do
349 if test "$no_x" = yes; then
350 echo "*** xlib peers requested but no X library available" 1>&2
354 if test -z "$TOOLKIT"; then
355 TOOLKIT=gnu.awt.xlib.XToolkit
360 if test "$no_x" = yes; then
361 echo "*** xlib peers requested but no X library available" 1>&2
365 if test -z "$TOOLKIT"; then
366 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
368 test -d jniinclude || mkdir jniinclude
377 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
382 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
383 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
386 dnl FIXME: this should be _libs on some hosts.
389 dnl Allow the GC to be disabled. Can be useful when debugging.
390 AC_MSG_CHECKING([for garbage collector to use])
391 AC_ARG_ENABLE(java-gc,
392 changequote(<<,>>)dnl
393 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
407 GCLIBS=../boehm-gc/libgcjgc_convenience.la
408 JC1GCSPEC='-fuse-boehm-gc'
409 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
411 dnl We also want to pick up some cpp flags required when including
412 dnl boehm-config.h. Yuck.
413 GCINCS="`cat ../boehm-gc/boehm-cflags`"
416 dnl The POSIX thread support needs to know this.
417 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
425 AC_MSG_ERROR(unrecognized collector \"$GC\")
435 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
438 AC_MSG_CHECKING([for thread model used by GCC])
439 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
440 AC_MSG_RESULT([$THREADS])
450 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
456 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
457 AC_MSG_ERROR(thread package $THREADS not yet supported)
460 AC_MSG_ERROR($THREADS is an unknown thread package)
476 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
481 # Before FreeBSD 5, it didn't have -lpthread (or any library which
482 # merely adds pthread_* functions) but it does have a -pthread switch
483 # which is required at link-time to select -lc_r *instead* of -lc.
484 THREADLDFLAGS=-pthread
485 # Don't set THREADSPEC here as might be expected since -pthread is
486 # not processed when found within a spec file, it must come from
487 # the command line. For now, the user must provide the -pthread
488 # switch to link code compiled with gcj. In future, consider adding
489 # support for weak references to pthread_* functions ala gthr.h API.
490 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
493 # FreeBSD 5 implements a model much closer to other modern UNIX
494 # which support threads. However, it still does not support
496 THREADLDFLAGS=-pthread
500 THREADCXXFLAGS=-pthread
501 # boehm-gc needs some functions from librt, so link that too.
502 THREADLIBS='-lpthread -lrt'
503 THREADSPEC='-lpthread -lrt'
510 THREADOBJS=posix-threads.lo
511 THREADH=posix-threads.h
512 # MIT pthreads doesn't seem to have the mutexattr functions.
513 # But for now we don't check for it. We just assume you aren't
514 # using MIT pthreads.
515 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
517 # If we're using the Boehm GC, then we happen to know that it
518 # defines _REENTRANT, so we don't bother. Eww.
519 if test "$GC" != boehm; then
520 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
522 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
526 THREADOBJS=win32-threads.lo
527 THREADH=win32-threads.h
531 THREADOBJS=no-threads.lo
535 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
541 AC_SUBST(THREADLDFLAGS)
542 AC_SUBST(THREADCXXFLAGS)
544 if test -d sysdep; then true; else mkdir sysdep; fi
545 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
548 # Hash synchronization is only useful with posix threads right now.
549 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
550 HASH_SYNC_SPEC=-fhash-synchronization
551 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
553 AC_SUBST(HASH_SYNC_SPEC)
556 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
562 # We're in the tree with gcc, and need to include some of its headers.
563 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
565 # Figure out where generated headers like libgcj-config.h get installed.
567 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
568 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
569 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
570 tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
572 AC_SUBST(tool_include_dir)
573 AC_SUBST(gcc_version)
575 if test "x${with_newlib}" = "xyes"; then
576 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
577 # may not work correctly, because the compiler may not be able to
580 # We assume newlib. This lets us hard-code the functions we know
582 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
583 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
584 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
585 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
586 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
587 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
588 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
589 dnl This is only for POSIX threads.
590 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
591 dnl We also assume we are using gcc, which provides alloca.
592 AC_DEFINE(HAVE_ALLOCA)
594 dnl Assume we do not have getuid and friends.
595 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
598 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
599 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
600 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
601 AC_CHECK_FUNCS(nl_langinfo setlocale)
602 AC_CHECK_FUNCS(inet_aton inet_addr, break)
603 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
604 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
605 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
606 AC_CHECK_FUNC(backtrace, [
609 # Has broken backtrace()
612 # Has broken backtrace(), but we supply our own.
613 if test -d sysdep; then true; else mkdir -p sysdep; fi
614 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
615 AC_DEFINE(HAVE_BACKTRACE, 1,
616 [Define if your platform has a working backtrace() function.])
619 AC_DEFINE(HAVE_BACKTRACE, 1,
620 [Define if your platform has a working backtrace() function.])
626 # Has backtrace() defined in libgcj itself
627 AC_DEFINE(HAVE_BACKTRACE, 1,
628 [Define if your platform has a working backtrace() function.])
633 AC_CHECK_LIB(dl, dladdr, [
634 if test "x${disable_dladdr}" = "xyes"; then
638 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
641 if test x"$build" = x"$host"; then
642 AC_CHECK_FILES(/proc/self/exe, [
643 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
647 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
656 AC_CHECK_FUNCS(gethostbyname_r, [
657 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
658 [Define if you have the 'gethostbyname_r' function.])
659 # There are two different kinds of gethostbyname_r.
660 # We look for the one that returns `int'.
661 # Hopefully this check is robust enough.
662 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
663 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
666 *" -D_REENTRANT "*) ;;
668 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
669 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
670 [libjava_cv_gethostbyname_r_needs_reentrant],
673 AC_TRY_COMPILE([#include <netdb.h>],
674 [gethostbyname_r("", 0, 0);],
675 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
676 CPPFLAGS_SAVE="$CPPFLAGS"
677 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
678 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
679 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
680 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
681 CPPFLAGS="$CPPFLAGS_SAVE"
685 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
686 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
691 AC_CACHE_CHECK([for struct hostent_data],
692 [libjava_cv_struct_hostent_data], [dnl
694 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
695 # define _REENTRANT 1
697 #include <netdb.h>], [struct hostent_data data;],
698 [libjava_cv_struct_hostent_data=yes],
699 [libjava_cv_struct_hostent_data=no])])
700 if test "x$libjava_cv_struct_hostent_data" = xyes; then
701 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
702 [Define if struct hostent_data is defined in netdb.h])
706 # FIXME: libjava source code expects to find a prototype for
707 # gethostbyaddr_r in netdb.h. The outer check ensures that
708 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
709 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
710 # linkage check is enough, yet C++ code requires proper prototypes.)
711 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
712 AC_CHECK_FUNCS(gethostbyaddr_r, [
713 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
714 [Define if you have the 'gethostbyaddr_r' function.])
715 # There are two different kinds of gethostbyaddr_r.
716 # We look for the one that returns `int'.
717 # Hopefully this check is robust enough.
718 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
719 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
720 [Define if gethostbyaddr_r returns 'int'.])])])])
722 AC_CHECK_FUNCS(gethostname, [
723 AC_DEFINE(HAVE_GETHOSTNAME, 1,
724 [Define if you have the 'gethostname' function.])
725 AC_EGREP_HEADER(gethostname, unistd.h, [
726 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
727 [Define if gethostname is declared in <unistd.h>.])])])
729 AC_CHECK_FUNCS(usleep, [
730 AC_EGREP_HEADER(usleep, unistd.h, [
731 AC_DEFINE(HAVE_USLEEP_DECL, 1,
732 [Define if usleep is declared in <unistd.h>.])])])
734 # Look for these functions in the thread library, but only bother
735 # if using POSIX threads.
736 if test "$THREADS" = posix; then
738 LIBS="$LIBS $THREADLIBS"
739 # Some POSIX thread systems don't have pthread_mutexattr_settype.
741 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
743 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
744 # Solaris 7 the name librt is preferred.
745 AC_CHECK_FUNCS(sched_yield, , [
746 AC_CHECK_LIB(rt, sched_yield, [
747 AC_DEFINE(HAVE_SCHED_YIELD)
748 THREADLIBS="$THREADLIBS -lrt"
749 THREADSPEC="$THREADSPEC -lrt"], [
750 AC_CHECK_LIB(posix4, sched_yield, [
751 AC_DEFINE(HAVE_SCHED_YIELD)
752 THREADLIBS="$THREADLIBS -lposix4"
753 THREADSPEC="$THREADSPEC -lposix4"])])])
756 # We can save a little space at runtime if the mutex has m_count
757 # or __m_count. This is a nice hack for Linux.
758 AC_TRY_COMPILE([#include <pthread.h>], [
759 extern pthread_mutex_t *mutex; int q = mutex->m_count;
760 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
761 [Define if pthread_mutex_t has m_count member.]), [
762 AC_TRY_COMPILE([#include <pthread.h>], [
763 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
764 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
765 [Define if pthread_mutex_t has __m_count member.]))])
768 # We require a way to get the time.
770 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
771 if test "$time_found" = no; then
772 AC_MSG_ERROR([no function found to get the time])
775 AC_CHECK_FUNCS(memmove)
779 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
780 if test "$memcpy_found" = no; then
781 AC_MSG_ERROR([memcpy is required])
784 AC_CHECK_LIB(dl, dlopen, [
785 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
787 # Some library-finding code we stole from Tcl.
788 #--------------------------------------------------------------------
789 # Check for the existence of the -lsocket and -lnsl libraries.
790 # The order here is important, so that they end up in the right
791 # order in the command line generated by make. Here are some
792 # special considerations:
793 # 1. Use "connect" and "accept" to check for -lsocket, and
794 # "gethostbyname" to check for -lnsl.
795 # 2. Use each function name only once: can't redo a check because
796 # autoconf caches the results of the last check and won't redo it.
797 # 3. Use -lnsl and -lsocket only if they supply procedures that
798 # aren't already present in the normal libraries. This is because
799 # IRIX 5.2 has libraries, but they aren't needed and they're
800 # bogus: they goof up name resolution if used.
801 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
802 # To get around this problem, check for both libraries together
803 # if -lsocket doesn't work by itself.
804 #--------------------------------------------------------------------
806 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
809 unset ac_cv_func_connect
810 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
811 if test "$gcj_checkSocket" = 1; then
812 unset ac_cv_func_connect
813 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
816 if test "$gcj_checkBoth" = 1; then
818 LIBS="$LIBS -lsocket -lnsl"
819 unset ac_cv_func_accept
820 AC_CHECK_FUNC(accept,
822 gcj_cv_lib_sockets="-lsocket -lnsl"])
823 unset ac_cv_func_accept
826 unset ac_cv_func_gethostbyname
828 LIBS="$LIBS $gcj_cv_lib_sockets"
829 AC_CHECK_FUNC(gethostbyname, ,
830 [AC_CHECK_LIB(nsl, main,
831 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
832 unset ac_cv_func_gethostbyname
835 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
837 if test "$with_system_zlib" = yes; then
838 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
841 # Test for Gtk stuff, if asked for.
842 if test "$use_gtk_awt" = yes; then
843 AM_PATH_GTK_2_0(2.0.0,,exit 1)
844 AM_PATH_GLIB_2_0(2.0.0,,exit 1,gthread)
845 dnl XXX Fix me when libart.m4 has the compile test fixed!
847 AM_PATH_LIBART(2.1.0,,exit 1)
850 # On Solaris, and maybe other architectures, the Boehm collector
852 if test "$GC" = boehm; then
853 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
857 if test -z "${with_multisubdir}"; then
861 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
865 # Which gcj do we use?
867 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
868 if test -n "${with_cross_host}"; then
869 # We are being configured with a cross compiler. We can't
870 # use ac_exeext, because that is for the target platform.
873 case "${with_cross_host}" in
875 cross_host_exeext=.exe
878 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
879 if test x"$build_alias" = x"$with_cross_host"; then
880 # Ordinary cross (host!=target and host=build)
883 # Canadian cross (host!=target and host!=build)
890 # We are being configured with a native or crossed-native compiler
891 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
892 if test x"$build" = x"$host"; then
893 # True native build (host=target and host=build)
896 # Crossed-native build (host=target and host!=build)
903 case "${which_gcj}" in
905 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
908 # See the comment in Makefile.am about CANADIAN being a misnomer
911 if test "x${with_newlib}" = "xyes"; then
912 # FIXME (comment): Why is this needed?
914 GCJ="${target_alias}-gcj"
916 GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
920 # See the comment in Makefile.am about CANADIAN being a misnomer
923 GCJ="gcj -B`${PWDCMD-pwd}`/"
927 # Create it, so that compile/link tests don't fail
928 test -f libgcj.spec || touch libgcj.spec
930 # We must search the source tree for java.lang, since we still don't
931 # have libgcj.jar nor java/lang/*.class
932 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
933 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
935 # Since some classes depend on this one, we need its source available
936 # before we can do any GCJ compilation test :-(
937 if test ! -f gnu/classpath/Configuration.java; then
938 test -d gnu || mkdir gnu
939 test -d gnu/classpath || mkdir gnu/classpath
940 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
941 -e 's,@TOOLKIT@,$TOOLKIT,' \
942 < $srcdir/gnu/classpath/Configuration.java.in \
943 > gnu/classpath/Configuration.java
944 # We do not want to redirect the output of the grep below to /dev/null,
945 # but we add /dev/null to the input list so that grep will print the
946 # filename of Configuration.java in case it finds any matches.
947 if grep @ gnu/classpath/Configuration.java /dev/null; then
948 AC_MSG_ERROR([configure.in is missing the substitutions above])
954 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
956 AC_COMPILE_CHECK_SIZEOF(void *)
962 if test -z "$ZLIBSPEC"; then
963 # Use zlib from the GCC tree.
964 ZINCS='-I$(top_srcdir)/../zlib'
965 ZLIBS=../zlib/libzgcj_convenience.la
968 SYS_ZLIBS="$ZLIBSPEC"
974 AC_SUBST(CHECKREFSPEC)
975 AC_SUBST(EXCEPTIONSPEC)
978 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
979 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
980 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
981 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
982 AC_SUBST(GCC_UNWIND_INCLUDE)
984 if test -n "$with_cross_host" &&
985 test x"$with_cross_host" != x"no"; then
986 toolexecdir='$(exec_prefix)/$(target_alias)'
987 toolexecmainlibdir='$(toolexecdir)/lib'
989 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
990 toolexecmainlibdir='$(libdir)'
992 multi_os_directory=`$CC -print-multi-os-directory`
993 case $multi_os_directory in
994 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
995 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
997 AC_SUBST(toolexecdir)
998 AC_SUBST(toolexecmainlibdir)
999 AC_SUBST(toolexeclibdir)
1001 # Determine gcj version number.
1003 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1005 GCJVERSION=$gcjversion
1006 AC_SUBST(GCJVERSION)
1007 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1009 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1010 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1011 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1012 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)
1013 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1014 dnl for now. If you change this, you also must update natFile.cc.
1015 AC_CHECK_HEADERS(dirent.h)
1016 AC_CHECK_HEADERS(inttypes.h, [
1017 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1018 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1022 AC_CHECK_TYPE([ssize_t], [int])
1024 AC_MSG_CHECKING([for in_addr_t])
1025 AC_TRY_COMPILE([#include <sys/types.h>
1030 #if HAVE_NETINET_IN_H
1031 #include <netinet/in.h>
1032 #endif], [in_addr_t foo;],
1033 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1034 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1035 AC_MSG_RESULT(yes)],
1036 [AC_MSG_RESULT(no)])
1038 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1039 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1040 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1041 [Define if struct ip_mreq is defined in netinet/in.h.])
1042 AC_MSG_RESULT(yes)],
1043 [AC_MSG_RESULT(no)])
1045 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1046 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1047 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1048 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1049 AC_MSG_RESULT(yes)],
1050 [AC_MSG_RESULT(no)])
1052 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1053 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1054 [AC_DEFINE(HAVE_INET6, 1,
1055 [Define if inet6 structures are defined in netinet/in.h.])
1056 AC_MSG_RESULT(yes)],
1057 [AC_MSG_RESULT(no)])
1059 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1060 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1061 #include <sys/types.h>
1062 #include <sys/socket.h>], [socklen_t x = 5;],
1063 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1064 AC_MSG_RESULT(yes)],
1065 [AC_MSG_RESULT(no)])
1067 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1068 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1069 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1070 AC_MSG_RESULT(yes)],
1072 AC_MSG_CHECKING([for global timezone variable])
1073 dnl FIXME: we don't want a link check here because that won't work
1074 dnl when cross-compiling. So instead we make an assumption that
1075 dnl the header file will mention timezone if it exists.
1076 dnl Don't find the win32 function timezone
1077 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1078 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1079 AC_MSG_RESULT(yes)],
1081 AC_MSG_CHECKING([for global _timezone variable])
1082 dnl FIXME: As above, don't want link check
1083 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1084 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1085 [Define if your platform has the global _timezone variable.])
1086 AC_MSG_RESULT(yes)],
1087 [AC_MSG_RESULT(no)])])])
1092 AC_CHECK_PROGS(PERL, perl, false)
1098 SIGNAL_HANDLER=include/i386-signal.h
1100 sparc*-sun-solaris*)
1101 SIGNAL_HANDLER=include/sparc-signal.h
1104 # SYSDEP_SOURCES=sysdep/ia64.c
1105 # test -d sysdep || mkdir sysdep
1108 SIGNAL_HANDLER=include/dwarf2-signal.h
1111 SIGNAL_HANDLER=include/powerpc-signal.h
1114 SIGNAL_HANDLER=include/dwarf2-signal.h
1117 SIGNAL_HANDLER=include/s390-signal.h
1120 SIGNAL_HANDLER=include/x86_64-signal.h
1123 SIGNAL_HANDLER=include/dwarf2-signal.h
1125 sh-*-linux* | sh[[34]]*-*-linux*)
1126 SIGNAL_HANDLER=include/dwarf2-signal.h
1129 SIGNAL_HANDLER=include/win32-signal.h
1132 SIGNAL_HANDLER=include/mips-signal.h
1135 SIGNAL_HANDLER=include/default-signal.h
1139 # If we're using sjlj exceptions, forget what we just learned.
1140 if test "$enable_sjlj_exceptions" = yes; then
1141 SIGNAL_HANDLER=include/default-signal.h
1144 # Define here any compiler flags that you need in order to make backtrace() work.
1148 BACKTRACESPEC=-fno-omit-frame-pointer
1151 AC_SUBST(BACKTRACESPEC)
1153 AC_SUBST(SYSDEP_SOURCES)
1155 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
1157 if test "${multilib}" = "yes"; then
1158 multilib_arg="--enable-multilib"
1165 here=`${PWDCMD-pwd}`
1168 # We get this from the environment.
1171 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1172 [# Only add multilib support code if we just rebuilt top-level Makefile.
1173 case " $CONFIG_FILES " in
1175 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1176 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1180 # Make subdirectories and `.d' files. Look in both srcdir and
1181 # builddir for the .java files.
1184 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1185 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1186 fgrep -v testsuite | \
1187 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1189 echo "include $f" >> deps.mk
1192 d=`echo $f | sed -e 's,/[^/]*$,,'`
1194 if test ! -d $d; then
1195 $libgcj_basedir/../mkinstalldirs $d
1204 with_multisubdir=${with_multisubdir}
1205 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1206 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1207 libgcj_basedir=${libgcj_basedir}
1210 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"