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=$LD
13 dnl We use these options to decide which functions to include.
14 AC_ARG_WITH(target-subdir,
15 [ --with-target-subdir=SUBDIR
16 configuring in a subdirectory])
17 AC_ARG_WITH(cross-host,
18 [ --with-cross-host=HOST configuring with a cross compiler])
21 [ --with-newlib Configuring with newlib])
23 AC_ARG_ENABLE(version-specific-runtime-libs,
24 [ --enable-version-specific-runtime-libs
25 specify that runtime libraries should be installed in a compiler-specific
28 yes) version_specific_libs=yes ;;
29 no) version_specific_libs=no ;;
30 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
32 [version_specific_libs=no]
38 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
40 # Only use libltdl for non-newlib builds.
41 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
42 AC_LIBLTDL_CONVENIENCE
45 AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])
46 # Sigh. Libtool's macro doesn't do the right thing.
47 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
48 # FIXME: this is a hack.
49 sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"
50 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
56 AC_CONFIG_SUBDIRS($DIRLTDL)
58 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
65 dnl The -no-testsuite modules omit the test subdir.
66 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
68 dnl Should the runtime set system properties by examining the
69 dnl environment variable GCJ_PROPERTIES?
70 AC_ARG_ENABLE(getenv-properties,
71 [ --disable-getenv-properties
72 don't set system properties from GCJ_PROPERTIES])
74 dnl Whether GCJ_PROPERTIES is used depends on the target.
75 if test -z "$enable_getenv_properties"; then
76 enable_getenv_properties=${enable_getenv_properties_default-yes}
78 if test "$enable_getenv_properties" = no; then
79 AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,
80 [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])
83 dnl Whether we should use arguments to main()
84 if test -z "$enable_main_args"; then
85 enable_main_args=${enable_main_args_default-yes}
87 if test "$enable_main_args" = no; then
88 AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])
92 dnl Should we use hashtable-based synchronization?
93 dnl Currently works only for Linux X86/ia64
94 dnl Typically faster and more space-efficient
95 AC_ARG_ENABLE(hash-synchronization,
96 [ --enable-hash-synchronization
97 use global hash table for monitor locks])
99 if test -z "$enable_hash_synchronization"; then
100 enable_hash_synchronization=$enable_hash_synchronization_default
103 # Do we allow intermodule optimizations (i.e. compiling many files at once)?
104 AC_ARG_ENABLE(libgcj-multifile,
105 [ --enable-libgcj-multifile
106 allow compilation of several files at once],
107 [case "${enableval}" in
108 yes) enable_libgcj_multifile=yes ;;
109 no) enable_libgcj_multifile=no ;;
110 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libgcj-multifile) ;;
111 esac],[enable_libgcj_multifile=no])
112 AM_CONDITIONAL(ONESTEP, test "$enable_libgcj_multifile" = yes)
114 # What is the native OS API for MinGW?
115 AC_ARG_WITH(win32-nlsapi,
116 changequote(<<,>>)dnl
117 << --with-win32-nlsapi=ansi, unicows or unicode
118 native MinGW libgcj Win32 OS API [ansi]>>,
120 [case "${withval}" in
121 ansi) with_win32_nlsapi=ansi ;;
122 unicows) with_win32_nlsapi=unicows ;;
123 unicode) with_win32_nlsapi=unicode ;;
124 *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;
125 esac],[with_win32_nlsapi=ansi])
127 case "${with_win32_nlsapi}" in
129 AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,
130 [Define if MinGW libgcj uses the Windows UNICODE OS API.])
134 dnl configure.host sets slow_pthread_self if the synchronization code should
135 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
136 if test "${slow_pthread_self}" = "yes"; then
137 AC_DEFINE(SLOW_PTHREAD_SELF, 1,
138 [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])
142 dnl See if the user has requested runtime debugging.
144 AC_SUBST(LIBGCJDEBUG)
145 AC_ARG_ENABLE(libgcj-debug,
146 [ --enable-libgcj-debug enable runtime debugging code],
147 if test "$enable_libgcj_debug" = yes; then
148 AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])
152 dnl See if the user has the interpreter included.
153 AC_ARG_ENABLE(interpreter,
154 [ --enable-interpreter enable interpreter],
155 if test "$enable_interpreter" = yes; then
156 # This can also be set in configure.host.
157 libgcj_interpreter=yes
158 elif test "$enable_interpreter" = no; then
159 libgcj_interpreter=no
162 if test "$libgcj_interpreter" = yes; then
163 AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])
165 INTERPRETER="$libgcj_interpreter"
166 AC_SUBST(INTERPRETER)
168 AC_MSG_CHECKING([for exception model to use])
171 AC_ARG_ENABLE(sjlj-exceptions,
172 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
174 [dnl Botheration. Now we've got to detect the exception model.
175 dnl Link tests against libgcc.a are problematic since -- at least
176 dnl as of this writing -- we've not been given proper -L bits for
177 dnl single-tree newlib and libgloss.
179 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
180 dnl conftest files before we got a change to grep them first.
181 cat > conftest.$ac_ext << EOF
182 [#]line __oline__ "configure"
191 old_CXXFLAGS="$CXXFLAGS"
193 if AC_TRY_EVAL(ac_compile); then
194 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
195 enable_sjlj_exceptions=yes
196 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
197 enable_sjlj_exceptions=no
200 CXXFLAGS="$old_CXXFLAGS"
202 if test x$enable_sjlj_exceptions = xyes; then
203 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
204 [Define if the compiler is configured for setjmp/longjmp exceptions.])
205 ac_exception_model_name=sjlj
206 elif test x$enable_sjlj_exceptions = xno; then
207 ac_exception_model_name="call frame"
209 AC_MSG_ERROR([unable to detect exception model])
212 AC_MSG_RESULT($ac_exception_model_name)
214 # If we are non using SJLJ exceptions, and this host does not have support
215 # for unwinding from a signal handler, enable checked dereferences and divides.
216 if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then
217 CHECKREFSPEC=-fcheck-references
218 DIVIDESPEC=-fuse-divide-subroutine
222 dnl See if the user wants to disable java.net. This is the mildly
223 dnl ugly way that we admit that target-side configuration sucks.
224 AC_ARG_ENABLE(java-net,
225 [ --disable-java-net disable java.net])
227 dnl Whether java.net is built by default can depend on the target.
228 if test -z "$enable_java_net"; then
229 enable_java_net=${enable_java_net_default-yes}
231 if test "$enable_java_net" = no; then
232 AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])
235 dnl See if the user wants to configure without libffi. Some
236 dnl architectures don't support it, and default values are set in
239 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
243 if test "$with_libffi" != no; then
244 AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
245 LIBFFI=../libffi/libffi_convenience.la
246 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
251 dnl See if the user wants to disable JVMPI support.
253 [ --disable-jvmpi disable JVMPI support])
255 if test "$enable_jvmpi" != no; then
256 AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])
259 dnl If the target is an eCos system, use the appropriate eCos
261 dnl FIXME: this should not be a local option but a global target
262 dnl system; at present there is no eCos target.
263 TARGET_ECOS=${PROCESS-"no"}
265 [ --with-ecos enable runtime eCos target support],
266 TARGET_ECOS="$with_ecos"
270 AC_SUBST(EXTRA_CC_FILES)
273 case "$TARGET_ECOS" in
278 PLATFORMOBJS=win32.lo
280 CHECK_FOR_BROKEN_MINGW_LD
285 PLATFORMOBJS=posix.lo
293 AC_DEFINE(ECOS, 1, [Define if you're running eCos.])
294 PLATFORMOBJS=posix.lo
298 AC_SUBST(PLATFORMOBJS)
299 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
301 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
302 [Define if you have int32_t and uint32_t.]))
303 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,
304 [Define if you have int32_t and uint32_t.]))
305 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
306 [Define if you have u_int32_t]))
307 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,
308 [Define if you have u_int32_t]))
311 dnl These may not be defined in a non-ANS conformant embedded system.
312 dnl FIXME: Should these case a runtime exception in that case?
313 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,
314 [Define is you have 'mktime' in <time.h>]))
315 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,
316 [Define is you have 'localtime' in <time.h>]))
318 dnl Create the subdirectory for natFile.cc, or the attempt
319 dnl to create the link will fail.
320 test -d java || mkdir java
321 test -d java/io || mkdir java/io
322 test -d gnu || mkdir gnu
323 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
325 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
326 test -d java/lang || mkdir java/lang
327 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
328 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
330 dnl Likewise for natInetAddress.cc and natNetworkInterface.cc.
331 test -d java/net || mkdir java/net
332 AC_LINK_FILES(java/net/natInetAddress${PLATFORMNET}.cc, java/net/natInetAddress.cc)
333 AC_LINK_FILES(java/net/natNetworkInterface${PLATFORMNET}.cc, java/net/natNetworkInterface.cc)
335 dnl Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.
336 test -d gnu/java || mkdir gnu/java
337 test -d gnu/java/net || mkdir gnu/java/net
338 AC_LINK_FILES(gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainSocketImpl.cc)
339 AC_LINK_FILES(gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc, gnu/java/net/natPlainDatagramSocketImpl.cc)
341 dnl Likewise for natPipeImpl.cc and natSelectorImpl.cc.
342 test -d gnu/java/nio || mkdir gnu/java/nio
343 AC_LINK_FILES(gnu/java/nio/natPipeImpl${PLATFORM}.cc, gnu/java/nio/natPipeImpl.cc)
344 AC_LINK_FILES(gnu/java/nio/natSelectorImpl${PLATFORM}.cc, gnu/java/nio/natSelectorImpl.cc)
345 test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels
346 AC_LINK_FILES(gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc, gnu/java/nio/channels/natFileChannelImpl.cc)
350 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
351 if test "${with_win32_nlsapi}" = "unicows"; then
352 SYSTEMSPEC="-lunicows $SYSTEMSPEC"
361 LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
362 AC_SUBST(LIBGCJTESTSPEC)
364 AC_ARG_WITH(system-zlib,
365 [ --with-system-zlib use installed libz])
369 AC_SUBST(ZLIBTESTSPEC)
373 dnl Determine which AWT peer libraries to build
374 AC_ARG_ENABLE(java-awt,
375 [ --enable-java-awt list of AWT peer implementations to be built])
377 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
380 # The default toolkit to use is the first one specified.
384 for peer in $peerlibs ; do
387 if test "$no_x" = yes; then
388 echo "*** xlib peers requested but no X library available" 1>&2
392 if test -z "$TOOLKIT"; then
393 TOOLKIT=gnu.awt.xlib.XToolkit
398 if test "$no_x" = yes; then
399 echo "*** xlib peers requested but no X library available" 1>&2
403 if test -z "$TOOLKIT"; then
404 TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit
406 test -d jniinclude || mkdir jniinclude
415 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
420 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
421 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
423 dnl determine whether to enable the cairo GTK Graphics2D backend
424 AC_ARG_ENABLE(gtk-cairo, [ --enable-gtk-cairo build the cairo Graphics2D implementation on GTK])
425 AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)
426 if test "x${enable_gtk_cairo}" = xyes
428 PKG_CHECK_MODULES(CAIRO, cairo)
429 PKG_CHECK_MODULES(PANGOFT2, pangoft2)
432 AC_SUBST(CAIRO_CFLAGS)
433 AC_SUBST(PANGOFT2_LIBS)
434 AC_SUBST(PANGOFT2_CFLAGS)
436 dnl FIXME: this should be _libs on some hosts.
439 dnl Allow the GC to be disabled. Can be useful when debugging.
440 AC_MSG_CHECKING([for garbage collector to use])
441 AC_ARG_ENABLE(java-gc,
442 changequote(<<,>>)dnl
443 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
457 GCLIBS=../boehm-gc/libgcjgc_convenience.la
458 JC1GCSPEC='-fuse-boehm-gc'
459 GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"
461 dnl We also want to pick up some cpp flags required when including
462 dnl boehm-config.h. Yuck.
463 GCINCS="`cat ../boehm-gc/boehm-cflags`"
466 dnl The POSIX thread support needs to know this.
467 AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])
475 AC_MSG_ERROR(unrecognized collector \"$GC\")
485 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
488 AC_MSG_CHECKING([for thread model used by GCC])
489 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
490 AC_MSG_RESULT([$THREADS])
500 AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])
506 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
507 AC_MSG_ERROR(thread package $THREADS not yet supported)
510 AC_MSG_ERROR($THREADS is an unknown thread package)
526 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
531 # Before FreeBSD 5, it didn't have -lpthread (or any library which
532 # merely adds pthread_* functions) but it does have a -pthread switch
533 # which is required at link-time to select -lc_r *instead* of -lc.
534 THREADLDFLAGS=-pthread
535 # Don't set THREADSPEC here as might be expected since -pthread is
536 # not processed when found within a spec file, it must come from
537 # the command line. For now, the user must provide the -pthread
538 # switch to link code compiled with gcj. In future, consider adding
539 # support for weak references to pthread_* functions ala gthr.h API.
540 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
543 # FreeBSD 5 implements a model much closer to other modern UNIX
544 # which support threads. However, it still does not support
546 THREADLDFLAGS=-pthread
550 THREADCXXFLAGS=-pthread
551 # boehm-gc needs some functions from librt, so link that too.
552 THREADLIBS='-lpthread -lrt'
553 THREADSPEC='-lpthread -lrt'
560 THREADOBJS=posix-threads.lo
561 THREADH=posix-threads.h
562 # MIT pthreads doesn't seem to have the mutexattr functions.
563 # But for now we don't check for it. We just assume you aren't
564 # using MIT pthreads.
565 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
567 # If we're using the Boehm GC, then we happen to know that it
568 # defines _REENTRANT, so we don't bother. Eww.
569 if test "$GC" != boehm; then
570 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
572 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
576 THREADOBJS=win32-threads.lo
577 THREADH=win32-threads.h
581 THREADOBJS=no-threads.lo
585 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
591 AC_SUBST(THREADLDFLAGS)
592 AC_SUBST(THREADCXXFLAGS)
594 if test -d sysdep; then true; else mkdir sysdep; fi
595 AC_LINK_FILES(sysdep/$sysdeps_dir/locks.h, sysdep/locks.h)
598 # Hash synchronization is only useful with posix threads right now.
599 if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then
600 HASH_SYNC_SPEC=-fhash-synchronization
601 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
603 AC_SUBST(HASH_SYNC_SPEC)
606 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
612 # We're in the tree with gcc, and need to include some of its headers.
613 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
615 # Figure out where generated headers like libgcj-config.h get installed.
617 gcc_version_trigger=${libgcj_basedir}/../gcc/version.c
618 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
619 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
620 tool_include_dir='$(libdir)/gcc/$(target_alias)/'${gcc_version}/include
622 AC_SUBST(tool_include_dir)
623 AC_SUBST(gcc_version)
625 if test "x${with_newlib}" = "xyes"; then
626 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
627 # may not work correctly, because the compiler may not be able to
630 # We assume newlib. This lets us hard-code the functions we know
632 AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])
633 AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])
634 AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])
635 AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])
636 AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])
637 AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])
638 AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in <unistd.h>.])
639 dnl This is only for POSIX threads.
640 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])
641 dnl We also assume we are using gcc, which provides alloca.
642 AC_DEFINE(HAVE_ALLOCA)
644 dnl Assume we do not have getuid and friends.
645 AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])
648 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
649 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
650 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
651 AC_CHECK_FUNCS(nl_langinfo setlocale)
652 AC_CHECK_FUNCS(inet_aton inet_addr, break)
653 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
654 AC_CHECK_FUNCS(fork execvp pipe sigaction ftruncate)
655 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
656 AC_CHECK_FUNC(backtrace, [
659 # Has broken backtrace()
662 # Has broken backtrace(), but we supply our own.
663 if test -d sysdep; then true; else mkdir -p sysdep; fi
664 EXTRA_CC_FILES="${EXTRA_CC_FILES} sysdep/dwarf2-backtrace.cc"
665 AC_DEFINE(HAVE_BACKTRACE, 1,
666 [Define if your platform has a working backtrace() function.])
669 AC_DEFINE(HAVE_BACKTRACE, 1,
670 [Define if your platform has a working backtrace() function.])
676 # Has backtrace() defined in libgcj itself
677 AC_DEFINE(HAVE_BACKTRACE, 1,
678 [Define if your platform has a working backtrace() function.])
683 AC_CHECK_LIB(dl, dladdr, [
684 if test "x${disable_dladdr}" = "xyes"; then
688 AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])
691 if test x"$build" = x"$host"; then
692 AC_CHECK_FILES(/proc/self/exe, [
693 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])
697 AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])
706 AC_CHECK_FUNCS(gethostbyname_r, [
707 AC_DEFINE(HAVE_GETHOSTBYNAME_R, 1,
708 [Define if you have the 'gethostbyname_r' function.])
709 # There are two different kinds of gethostbyname_r.
710 # We look for the one that returns `int'.
711 # Hopefully this check is robust enough.
712 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
713 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT, 1, [Define if gethostbyname_r returns 'int'.])])
716 *" -D_REENTRANT "*) ;;
718 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
719 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
720 [libjava_cv_gethostbyname_r_needs_reentrant],
723 AC_TRY_COMPILE([#include <netdb.h>],
724 [gethostbyname_r("", 0, 0);],
725 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
726 CPPFLAGS_SAVE="$CPPFLAGS"
727 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
728 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
729 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
730 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
731 CPPFLAGS="$CPPFLAGS_SAVE"
735 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
736 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
741 AC_CACHE_CHECK([for struct hostent_data],
742 [libjava_cv_struct_hostent_data], [dnl
744 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
745 # define _REENTRANT 1
747 #include <netdb.h>], [struct hostent_data data;],
748 [libjava_cv_struct_hostent_data=yes],
749 [libjava_cv_struct_hostent_data=no])])
750 if test "x$libjava_cv_struct_hostent_data" = xyes; then
751 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
752 [Define if struct hostent_data is defined in netdb.h])
756 # FIXME: libjava source code expects to find a prototype for
757 # gethostbyaddr_r in netdb.h. The outer check ensures that
758 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
759 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
760 # linkage check is enough, yet C++ code requires proper prototypes.)
761 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
762 AC_CHECK_FUNCS(gethostbyaddr_r, [
763 AC_DEFINE(HAVE_GETHOSTBYADDR_R, 1,
764 [Define if you have the 'gethostbyaddr_r' function.])
765 # There are two different kinds of gethostbyaddr_r.
766 # We look for the one that returns `int'.
767 # Hopefully this check is robust enough.
768 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
769 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT, 1,
770 [Define if gethostbyaddr_r returns 'int'.])])])])
772 AC_CHECK_FUNCS(gethostname, [
773 AC_DEFINE(HAVE_GETHOSTNAME, 1,
774 [Define if you have the 'gethostname' function.])
775 AC_EGREP_HEADER(gethostname, unistd.h, [
776 AC_DEFINE(HAVE_GETHOSTNAME_DECL, 1,
777 [Define if gethostname is declared in <unistd.h>.])])])
779 AC_CHECK_FUNCS(usleep, [
780 AC_EGREP_HEADER(usleep, unistd.h, [
781 AC_DEFINE(HAVE_USLEEP_DECL, 1,
782 [Define if usleep is declared in <unistd.h>.])])])
784 # Look for these functions in the thread library, but only bother
785 # if using POSIX threads.
786 if test "$THREADS" = posix; then
788 LIBS="$LIBS $THREADLIBS"
789 # Some POSIX thread systems don't have pthread_mutexattr_settype.
791 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
793 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
794 # Solaris 7 the name librt is preferred.
795 AC_CHECK_FUNCS(sched_yield, , [
796 AC_CHECK_LIB(rt, sched_yield, [
797 AC_DEFINE(HAVE_SCHED_YIELD)
798 THREADLIBS="$THREADLIBS -lrt"
799 THREADSPEC="$THREADSPEC -lrt"], [
800 AC_CHECK_LIB(posix4, sched_yield, [
801 AC_DEFINE(HAVE_SCHED_YIELD)
802 THREADLIBS="$THREADLIBS -lposix4"
803 THREADSPEC="$THREADSPEC -lposix4"])])])
806 # We can save a little space at runtime if the mutex has m_count
807 # or __m_count. This is a nice hack for Linux.
808 AC_TRY_COMPILE([#include <pthread.h>], [
809 extern pthread_mutex_t *mutex; int q = mutex->m_count;
810 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT, 1,
811 [Define if pthread_mutex_t has m_count member.]), [
812 AC_TRY_COMPILE([#include <pthread.h>], [
813 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
814 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT, 1,
815 [Define if pthread_mutex_t has __m_count member.]))])
818 # We require a way to get the time.
820 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
821 if test "$time_found" = no; then
822 AC_MSG_ERROR([no function found to get the time])
825 AC_CHECK_FUNCS(memmove)
829 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
830 if test "$memcpy_found" = no; then
831 AC_MSG_ERROR([memcpy is required])
834 AC_CHECK_LIB(dl, dlopen, [
835 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
837 # Some library-finding code we stole from Tcl.
838 #--------------------------------------------------------------------
839 # Check for the existence of the -lsocket and -lnsl libraries.
840 # The order here is important, so that they end up in the right
841 # order in the command line generated by make. Here are some
842 # special considerations:
843 # 1. Use "connect" and "accept" to check for -lsocket, and
844 # "gethostbyname" to check for -lnsl.
845 # 2. Use each function name only once: can't redo a check because
846 # autoconf caches the results of the last check and won't redo it.
847 # 3. Use -lnsl and -lsocket only if they supply procedures that
848 # aren't already present in the normal libraries. This is because
849 # IRIX 5.2 has libraries, but they aren't needed and they're
850 # bogus: they goof up name resolution if used.
851 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
852 # To get around this problem, check for both libraries together
853 # if -lsocket doesn't work by itself.
854 #--------------------------------------------------------------------
856 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
859 unset ac_cv_func_connect
860 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
861 if test "$gcj_checkSocket" = 1; then
862 unset ac_cv_func_connect
863 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
866 if test "$gcj_checkBoth" = 1; then
868 LIBS="$LIBS -lsocket -lnsl"
869 unset ac_cv_func_accept
870 AC_CHECK_FUNC(accept,
872 gcj_cv_lib_sockets="-lsocket -lnsl"])
873 unset ac_cv_func_accept
876 unset ac_cv_func_gethostbyname
878 LIBS="$LIBS $gcj_cv_lib_sockets"
879 AC_CHECK_FUNC(gethostbyname, ,
880 [AC_CHECK_LIB(nsl, main,
881 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
882 unset ac_cv_func_gethostbyname
885 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
887 if test "$with_system_zlib" = yes; then
888 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
891 # Test for Gtk stuff, if asked for.
892 if test "$use_gtk_awt" = yes; then
893 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.2)
897 PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.2 gthread-2.0 >= 2.2)
898 AC_SUBST(GLIB_CFLAGS)
901 PKG_CHECK_MODULES(LIBART, libart-2.0 >= 2.1)
902 AC_SUBST(LIBART_CFLAGS)
903 AC_SUBST(LIBART_LIBS)
906 # On Solaris, and maybe other architectures, the Boehm collector
908 if test "$GC" = boehm; then
909 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
913 if test -z "${with_multisubdir}"; then
917 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
921 # Which gcj do we use?
923 built_gcc_dir="`cd ${builddotdot}/../../gcc && ${PWDCMD-pwd}`"
924 if test -n "${with_cross_host}"; then
925 # We are being configured with a cross compiler. We can't
926 # use ac_exeext, because that is for the target platform.
929 case "${with_cross_host}" in
931 cross_host_exeext=.exe
934 if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then
935 if test x"$build_alias" = x"$with_cross_host"; then
936 # Ordinary cross (host!=target and host=build)
939 # Canadian cross (host!=target and host!=build)
946 # We are being configured with a native or crossed-native compiler
947 if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then
948 if test x"$build" = x"$host"; then
949 # True native build (host=target and host=build)
952 # Crossed-native build (host=target and host!=build)
959 case "${which_gcj}" in
961 GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"
964 # See the comment in Makefile.am about CANADIAN being a misnomer
967 if test "x${with_newlib}" = "xyes"; then
968 # FIXME (comment): Why is this needed?
970 GCJ="${target_alias}-gcj"
972 GCJ="${target_alias}-gcj -B`${PWDCMD-pwd}`/"
976 # See the comment in Makefile.am about CANADIAN being a misnomer
979 GCJ="gcj -B`${PWDCMD-pwd}`/"
983 # Create it, so that compile/link tests don't fail
984 test -f libgcj.spec || touch libgcj.spec
986 # We must search the source tree for java.lang, since we still don't
987 # have libgcj.jar nor java/lang/*.class
988 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
989 CPPFLAGS="$CPPFLAGS -I`${PWDCMD-pwd}` -I`cd $srcdir && ${PWDCMD-pwd}`"
991 # Since some classes depend on this one, we need its source available
992 # before we can do any GCJ compilation test :-(
993 if test ! -f gnu/classpath/Configuration.java; then
994 test -d gnu || mkdir gnu
995 test -d gnu/classpath || mkdir gnu/classpath
996 sed -e 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
997 -e 's,@TOOLKIT@,$TOOLKIT,' \
998 < $srcdir/gnu/classpath/Configuration.java.in \
999 > gnu/classpath/Configuration.java
1000 # We do not want to redirect the output of the grep below to /dev/null,
1001 # but we add /dev/null to the input list so that grep will print the
1002 # filename of Configuration.java in case it finds any matches.
1003 if grep @ gnu/classpath/Configuration.java /dev/null; then
1004 AC_MSG_ERROR([configure.in is missing the substitutions above])
1010 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
1012 AC_COMPILE_CHECK_SIZEOF(void *)
1014 AC_C_BIGENDIAN_CROSS
1020 if test -z "$ZLIBSPEC"; then
1021 # Use zlib from the GCC tree.
1022 ZINCS='-I$(top_srcdir)/../zlib'
1023 ZLIBS=../zlib/libzgcj_convenience.la
1026 SYS_ZLIBS="$ZLIBSPEC"
1031 AC_SUBST(DIVIDESPEC)
1032 AC_SUBST(CHECKREFSPEC)
1033 AC_SUBST(EXCEPTIONSPEC)
1036 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
1037 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
1038 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
1039 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
1040 AC_SUBST(GCC_UNWIND_INCLUDE)
1042 # Process the option "--enable-version-specific-runtime-libs"
1043 # Calculate toolexeclibdir
1044 case ${version_specific_libs} in
1046 # Need the gcc compiler version to know where to install libraries
1047 # and header files if --enable-version-specific-runtime-libs option
1049 includedir='${libdir}/gcc/${target_alias}/'$gcc_version/include/
1050 toolexecdir='$(libdir)/gcc/$(target_alias)'
1051 toolexecmainlibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1052 toolexeclibdir=$toolexecmainlibdir
1055 if test -n "$with_cross_host" &&
1056 test x"$with_cross_host" != x"no"; then
1057 # Install a library built with a cross compiler in tooldir, not libdir.
1058 toolexecdir='$(exec_prefix)/$(target_alias)'
1059 toolexecmainlibdir='$(toolexecdir)/lib'
1061 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1062 toolexecmainlibdir='$(libdir)'
1064 multi_os_directory=`$CC -print-multi-os-directory`
1065 case $multi_os_directory in
1066 .) toolexeclibdir=$toolexecmainlibdir ;; # Avoid trailing /.
1067 *) toolexeclibdir=$toolexecmainlibdir/$multi_os_directory ;;
1071 AC_SUBST(toolexecdir)
1072 AC_SUBST(toolexecmainlibdir)
1073 AC_SUBST(toolexeclibdir)
1075 # Determine gcj version number.
1077 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
1079 GCJVERSION=$gcjversion
1080 AC_SUBST(GCJVERSION)
1081 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
1083 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
1084 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
1085 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
1086 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)
1087 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
1088 dnl for now. If you change this, you also must update natFile.cc.
1089 AC_CHECK_HEADERS(dirent.h)
1090 AC_CHECK_HEADERS(inttypes.h, [
1091 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1092 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
1096 AC_CHECK_TYPE([ssize_t], [int])
1098 AC_MSG_CHECKING([for in_addr_t])
1099 AC_TRY_COMPILE([#include <sys/types.h>
1104 #if HAVE_NETINET_IN_H
1105 #include <netinet/in.h>
1106 #endif], [in_addr_t foo;],
1107 [AC_DEFINE(HAVE_IN_ADDR_T, 1,
1108 [Define to 1 if 'in_addr_t' is defined in sys/types.h or netinet/in.h.])
1109 AC_MSG_RESULT(yes)],
1110 [AC_MSG_RESULT(no)])
1112 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
1113 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
1114 [AC_DEFINE(HAVE_STRUCT_IP_MREQ, 1,
1115 [Define if struct ip_mreq is defined in netinet/in.h.])
1116 AC_MSG_RESULT(yes)],
1117 [AC_MSG_RESULT(no)])
1119 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
1120 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
1121 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ, 1,
1122 [Define if struct ipv6_mreq is defined in netinet/in.h.])
1123 AC_MSG_RESULT(yes)],
1124 [AC_MSG_RESULT(no)])
1126 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
1127 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
1128 [AC_DEFINE(HAVE_INET6, 1,
1129 [Define if inet6 structures are defined in netinet/in.h.])
1130 AC_MSG_RESULT(yes)],
1131 [AC_MSG_RESULT(no)])
1133 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
1134 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
1135 #include <sys/types.h>
1136 #include <sys/socket.h>], [socklen_t x = 5;],
1137 [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.])
1138 AC_MSG_RESULT(yes)],
1139 [AC_MSG_RESULT(no)])
1141 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
1142 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
1143 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
1144 AC_MSG_RESULT(yes)],
1146 AC_MSG_CHECKING([for global timezone variable])
1147 dnl FIXME: we don't want a link check here because that won't work
1148 dnl when cross-compiling. So instead we make an assumption that
1149 dnl the header file will mention timezone if it exists.
1150 dnl Don't find the win32 function timezone
1151 AC_TRY_COMPILE([#include <time.h>], [void i(){long z2 = 2*timezone;}],
1152 [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
1153 AC_MSG_RESULT(yes)],
1155 AC_MSG_CHECKING([for global _timezone variable])
1156 dnl FIXME: As above, don't want link check
1157 AC_TRY_COMPILE([#include <time.h>], [long z2 = _timezone;],
1158 [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
1159 [Define if your platform has the global _timezone variable.])
1160 AC_MSG_RESULT(yes)],
1161 [AC_MSG_RESULT(no)])])])
1166 AC_CHECK_PROGS(PERL, perl, false)
1173 SIGNAL_HANDLER=include/i386-signal.h
1175 sparc*-sun-solaris*)
1176 SIGNAL_HANDLER=include/sparc-signal.h
1179 # SYSDEP_SOURCES=sysdep/ia64.c
1180 # test -d sysdep || mkdir sysdep
1183 SIGNAL_HANDLER=include/dwarf2-signal.h
1186 SIGNAL_HANDLER=include/powerpc-signal.h
1189 SIGNAL_HANDLER=include/dwarf2-signal.h
1192 SIGNAL_HANDLER=include/s390-signal.h
1195 SIGNAL_HANDLER=include/x86_64-signal.h
1196 SIGNAL_HANDLER_AUX=include/i386-signal.h
1199 SIGNAL_HANDLER=include/dwarf2-signal.h
1201 sh-*-linux* | sh[[34]]*-*-linux*)
1202 SIGNAL_HANDLER=include/dwarf2-signal.h
1205 SIGNAL_HANDLER=include/win32-signal.h
1208 SIGNAL_HANDLER=include/mips-signal.h
1211 SIGNAL_HANDLER=include/default-signal.h
1215 # If we're using sjlj exceptions, forget what we just learned.
1216 if test "$enable_sjlj_exceptions" = yes; then
1217 SIGNAL_HANDLER=include/default-signal.h
1221 # Define here any compiler flags that you need in order to make backtrace() work.
1224 x86_64*-*-linux*|i?86-*)
1225 BACKTRACESPEC=-fno-omit-frame-pointer
1228 AC_SUBST(BACKTRACESPEC)
1230 AC_SUBST(SYSDEP_SOURCES)
1232 if test -z "$SIGNAL_HANDLER_AUX"; then
1233 SIGNAL_HANDLER_AUX=$SIGNAL_HANDLER
1236 AC_LINK_FILES($SIGNAL_HANDLER $SIGNAL_HANDLER_AUX,
1237 include/java-signal.h include/java-signal-aux.h)
1239 if test "${multilib}" = "yes"; then
1240 multilib_arg="--enable-multilib"
1247 here=`${PWDCMD-pwd}`
1250 # We get this from the environment.
1253 AC_OUTPUT(Makefile libgcj.pc libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
1254 [# Only add multilib support code if we just rebuilt top-level Makefile.
1255 case " $CONFIG_FILES " in
1257 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
1258 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
1262 # Make subdirectories and `.d' files. Look in both srcdir and
1263 # builddir for the .java files.
1266 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) ;
1267 find . \( -name '*.java' -o -name '*.cc' -o -name '*.c' \) -print) | \
1268 fgrep -v testsuite | \
1269 sed -e 's/\.java/.d/'\;'s/\.cc/.d/'\;'s/\.c/.d/' | \
1271 echo "include $f" >> deps.mk
1274 d=`echo $f | sed -e 's,/[^/]*$,,'`
1276 if test ! -d $d; then
1277 $libgcj_basedir/../mkinstalldirs $d
1286 with_multisubdir=${with_multisubdir}
1287 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1288 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1289 libgcj_basedir=${libgcj_basedir}
1292 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"