1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR
9 configuring in a subdirectory])
10 AC_ARG_WITH(cross-host,
11 [ --with-cross-host=HOST configuring with a cross compiler])
15 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
17 # Only use libltdl for native builds.
18 if test -z "${with_cross_host}"; then
19 AC_LIBLTDL_CONVENIENCE
23 # Sigh. Libtool's macro doesn't do the right thing.
24 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
25 # FIXME: this is a hack.
26 sub_auxdir="`cd $ac_aux_dir && pwd`"
27 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
33 AC_CONFIG_SUBDIRS($DIRLTDL)
35 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
42 dnl The -no-testsuite modules omit the test subdir.
43 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
45 dnl Should the runtime set system properties by examining the
46 dnl environment variable GCJ_PROPERTIES?
47 AC_ARG_ENABLE(getenv-properties,
48 [ --disable-getenv-properties
49 don't set system properties from GCJ_PROPERTIES])
51 dnl Whether GCJ_PROPERTIES is used depends on the target.
52 if test -z "$enable_getenv_properties"; then
53 enable_getenv_properties=${enable_getenv_properties_default-yes}
55 if test "$enable_getenv_properties" = no; then
56 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
59 dnl Whether we should use arguments to main()
60 if test -z "$enable_main_args"; then
61 enable_main_args=${enable_main_args_default-yes}
63 if test "$enable_main_args" = no; then
64 AC_DEFINE(DISABLE_MAIN_ARGS)
68 dnl Should we use hashtable-based synchronization?
69 dnl Currently works only for Linux X86/ia64
70 dnl Typically faster and more space-efficient
71 AC_ARG_ENABLE(hash-synchronization,
72 [ --enable-hash-synchronization
73 Use global hash table for monitor locks])
75 if test -z "$enable_hash_synchronization"; then
76 enable_hash_synchronization=$enable_hash_synchronization_default
79 dnl configure.host sets slow_pthread_self if the synchronization code should
80 dnl try to avoid pthread_self calls by caching thread IDs in a hashtable.
81 if test "${slow_pthread_self}" = "yes"; then
82 AC_DEFINE(SLOW_PTHREAD_SELF)
86 dnl See if the user has requested runtime debugging.
89 AC_ARG_ENABLE(libgcj-debug,
90 [ --enable-libgcj-debug enable runtime debugging code],
91 if test "$enable_libgcj_debug" = yes; then
96 dnl See if the user has the interpreter included.
97 AC_ARG_ENABLE(interpreter,
98 [ --enable-interpreter enable interpreter],
99 if test "$enable_interpreter" = yes; then
100 # This can also be set in configure.host.
101 libgcj_interpreter=yes
102 elif test "$enable_interpreter" = no; then
103 libgcj_interpreter=no
106 if test "$libgcj_interpreter" = yes; then
107 AC_DEFINE(INTERPRETER)
110 AC_MSG_CHECKING([for exception model to use])
113 AC_ARG_ENABLE(sjlj-exceptions,
114 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
116 [dnl Botheration. Now we've got to detect the exception model.
117 dnl Link tests against libgcc.a are problematic since -- at least
118 dnl as of this writing -- we've not been given proper -L bits for
119 dnl single-tree newlib and libgloss.
121 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
122 dnl conftest files before we got a change to grep them first.
123 cat > conftest.$ac_ext << EOF
124 [#]line __oline__ "configure"
133 old_CXXFLAGS="$CXXFLAGS"
135 if AC_TRY_EVAL(ac_compile); then
136 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
137 enable_sjlj_exceptions=yes
138 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
139 enable_sjlj_exceptions=no
142 CXXFLAGS="$old_CXXFLAGS"
144 if test x$enable_sjlj_exceptions = xyes; then
145 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
146 [Define if the compiler is configured for setjmp/longjmp exceptions.])
147 ac_exception_model_name=sjlj
148 elif test x$enable_sjlj_exceptions = xno; then
149 ac_exception_model_name="call frame"
151 AC_MSG_ERROR([unable to detect exception model])
154 AC_MSG_RESULT($ac_exception_model_name)
156 dnl See if the user wants to disable java.net. This is the mildly
157 dnl ugly way that we admit that target-side configuration sucks.
158 AC_ARG_ENABLE(java-net,
159 [ --disable-java-net disable java.net])
161 dnl Whether java.net is built by default can depend on the target.
162 if test -z "$enable_java_net"; then
163 enable_java_net=${enable_java_net_default-yes}
165 if test "$enable_java_net" = no; then
166 AC_DEFINE(DISABLE_JAVA_NET)
169 dnl See if the user wants to configure without libffi. Some
170 dnl architectures don't support it, and default values are set in
173 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
177 if test "$with_libffi" != no; then
178 AC_DEFINE(USE_LIBFFI)
179 LIBFFI=../libffi/libffi_convenience.la
180 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
185 dnl See if the user wants to disable JVMPI support.
187 [ --disable-jvmpi disable JVMPI support])
189 if test "$enable_jvmpi" != no; then
190 AC_DEFINE(ENABLE_JVMPI)
193 dnl If the target is an eCos system, use the appropriate eCos
195 dnl FIXME: this should not be a local option but a global target
196 dnl system; at present there is no eCos target.
197 TARGET_ECOS=${PROCESS-"no"}
199 [ --with-ecos enable runtime eCos target support],
200 TARGET_ECOS="$with_ecos"
204 case "$TARGET_ECOS" in
208 PLATFORMOBJS=win32.lo
213 PLATFORMOBJS=posix.lo
221 PLATFORMOBJS=posix.lo
225 AC_SUBST(PLATFORMOBJS)
226 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
228 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
229 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
230 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
231 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
234 dnl These may not be defined in a non-ANS conformant embedded system.
235 dnl FIXME: Should these case a runtime exception in that case?
236 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
237 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
239 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
240 dnl to create the link will fail.
241 test -d java || mkdir java
242 test -d java/io || mkdir java/io
243 test -d gnu || mkdir gnu
244 AC_LINK_FILES(java/io/natFile${FILE-${PLATFORM}}.cc, java/io/natFile.cc)
245 AC_LINK_FILES(java/io/natFileDescriptor${FILE-${PLATFORM}}.cc, java/io/natFileDescriptor.cc)
247 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
248 test -d java/lang || mkdir java/lang
249 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
250 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
254 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
262 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
263 AC_SUBST(LIBGCJTESTSPEC)
265 AC_ARG_WITH(system-zlib,
266 [ --with-system-zlib use installed libz])
270 AC_SUBST(ZLIBTESTSPEC)
272 dnl FIXME: this should be _libs on some hosts.
275 dnl Allow the GC to be disabled. Can be useful when debugging.
276 AC_MSG_CHECKING([for garbage collector to use])
277 AC_ARG_ENABLE(java-gc,
278 changequote(<<,>>)dnl
279 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
293 GCLIBS=../boehm-gc/libgcjgc_convenience.la
294 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
295 JC1GCSPEC='-fuse-boehm-gc'
296 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
298 dnl We also want to pick up some cpp flags required when including
299 dnl boehm-config.h. Yuck.
300 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
303 dnl The POSIX thread support needs to know this.
304 AC_DEFINE(HAVE_BOEHM_GC)
312 AC_MSG_ERROR(unrecognized collector \"$GC\")
322 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
325 AC_MSG_CHECKING([for thread model used by GCC])
326 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
327 AC_MSG_RESULT([$THREADS])
337 AC_DEFINE(LINUX_THREADS)
343 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
344 AC_MSG_ERROR(thread package $THREADS not yet supported)
347 AC_MSG_ERROR($THREADS is an unknown thread package)
361 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
366 # Before FreeBSD 5, it didn't have -lpthread (or any library which
367 # merely adds pthread_* functions) but it does have a -pthread switch
368 # which is required at link-time to select -lc_r *instead* of -lc.
370 # Don't set THREADSPEC here as might be expected since -pthread is
371 # not processed when found within a spec file, it must come from
372 # the command line. For now, the user must provide the -pthread
373 # switch to link code compiled with gcj. In future, consider adding
374 # support for weak references to pthread_* functions ala gthr.h API.
375 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
378 # FreeBSD 5 implements a model much closer to other modern UNIX
379 # which support threads. However, it still does not support
389 THREADOBJS=posix-threads.lo
390 THREADH=posix-threads.h
391 # MIT pthreads doesn't seem to have the mutexattr functions.
392 # But for now we don't check for it. We just assume you aren't
393 # using MIT pthreads.
394 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
396 # If we're using the Boehm GC, then we happen to know that it
397 # defines _REENTRANT, so we don't bother. Eww.
398 if test "$GC" != boehm; then
399 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
401 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
405 THREADOBJS=win32-threads.lo
406 THREADH=win32-threads.h
410 THREADOBJS=no-threads.lo
414 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
421 AC_LINK_FILES(sysdep/$sysdeps_dir, sysdep)
424 # Hash synchronization is only useful with posix threads right now.
425 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
426 HASH_SYNC_SPEC=-fhash-synchronization
427 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
429 AC_SUBST(HASH_SYNC_SPEC)
432 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
438 # We're in the tree with gcc, and need to include some of its headers.
439 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
441 # Figure out where generated headers like libgcj-config.h get installed.
443 gcc_version_trigger=${srcdir}/../gcc/version.c
444 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
445 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
446 tool_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include
448 AC_SUBST(tool_include_dir)
450 if test -n "${with_cross_host}"; then
451 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
452 # may not work correctly, because the compiler may not be able to
455 # We assume newlib. This lets us hard-code the functions we know
457 AC_DEFINE(HAVE_MEMMOVE)
458 AC_DEFINE(HAVE_MEMCPY)
459 AC_DEFINE(HAVE_STRERROR)
461 AC_DEFINE(HAVE_GMTIME_R)
462 AC_DEFINE(HAVE_LOCALTIME_R)
463 dnl This is only for POSIX threads.
464 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
465 dnl We also assume we are using gcc, which provides alloca.
466 AC_DEFINE(HAVE_ALLOCA)
468 dnl Assume we do not have getuid and friends.
471 # If Canadian cross, then don't pick up tools from the build
473 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
476 GCJ="${target_alias}-gcj"
480 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
481 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
482 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
483 AC_CHECK_FUNCS(nl_langinfo setlocale)
484 AC_CHECK_FUNCS(inet_aton inet_addr, break)
485 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
486 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
487 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
488 AC_CHECK_LIB(dl, dladdr, [
489 AC_DEFINE(HAVE_DLADDR)])
490 AC_CHECK_FILES(/proc/self/exe, [
491 AC_DEFINE(HAVE_PROC_SELF_EXE)])
497 AC_CHECK_FUNCS(gethostbyname_r, [
498 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
499 # There are two different kinds of gethostbyname_r.
500 # We look for the one that returns `int'.
501 # Hopefully this check is robust enough.
502 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
503 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
506 *" -D_REENTRANT "*) ;;
508 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
509 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
510 [libjava_cv_gethostbyname_r_needs_reentrant],
513 AC_TRY_COMPILE([#include <netdb.h>],
514 [gethostbyname_r("", 0, 0);],
515 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
516 CPPFLAGS_SAVE="$CPPFLAGS"
517 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
518 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
519 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
520 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
521 CPPFLAGS="$CPPFLAGS_SAVE"
525 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
526 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
531 AC_CACHE_CHECK([for struct hostent_data],
532 [libjava_cv_struct_hostent_data], [dnl
534 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
535 # define _REENTRANT 1
537 #include <netdb.h>], [struct hostent_data data;],
538 [libjava_cv_struct_hostent_data=yes],
539 [libjava_cv_struct_hostent_data=no])])
540 if test "x$libjava_cv_struct_hostent_data" = xyes; then
541 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
542 [Define if struct hostent_data is defined in netdb.h])
546 # FIXME: libjava source code expects to find a prototype for
547 # gethostbyaddr_r in netdb.h. The outer check ensures that
548 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
549 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
550 # linkage check is enough, yet C++ code requires proper prototypes.)
551 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
552 AC_CHECK_FUNCS(gethostbyaddr_r, [
553 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
554 # There are two different kinds of gethostbyaddr_r.
555 # We look for the one that returns `int'.
556 # Hopefully this check is robust enough.
557 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
558 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
560 AC_CHECK_FUNCS(gethostname, [
561 AC_DEFINE(HAVE_GETHOSTNAME)
562 AC_EGREP_HEADER(gethostname, unistd.h, [
563 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
565 # Look for these functions in the thread library, but only bother
566 # if using POSIX threads.
567 if test "$THREADS" = posix; then
569 LIBS="$LIBS $THREADLIBS"
570 # Some POSIX thread systems don't have pthread_mutexattr_settype.
572 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
574 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
575 # Solaris 7 the name librt is preferred.
576 AC_CHECK_FUNCS(sched_yield, , [
577 AC_CHECK_LIB(rt, sched_yield, [
578 AC_DEFINE(HAVE_SCHED_YIELD)
579 THREADLIBS="$THREADLIBS -lrt"
580 THREADSPEC="$THREADSPEC -lrt"], [
581 AC_CHECK_LIB(posix4, sched_yield, [
582 AC_DEFINE(HAVE_SCHED_YIELD)
583 THREADLIBS="$THREADLIBS -lposix4"
584 THREADSPEC="$THREADSPEC -lposix4"])])])
587 # We can save a little space at runtime if the mutex has m_count
588 # or __m_count. This is a nice hack for Linux.
589 AC_TRY_COMPILE([#include <pthread.h>], [
590 extern pthread_mutex_t *mutex; int q = mutex->m_count;
591 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
592 AC_TRY_COMPILE([#include <pthread.h>], [
593 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
594 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
597 # We require a way to get the time.
599 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
600 if test "$time_found" = no; then
601 AC_MSG_ERROR([no function found to get the time])
604 AC_CHECK_FUNCS(memmove)
608 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
609 if test "$memcpy_found" = no; then
610 AC_MSG_ERROR([memcpy is required])
613 AC_CHECK_LIB(dl, dlopen, [
614 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
616 # Some library-finding code we stole from Tcl.
617 #--------------------------------------------------------------------
618 # Check for the existence of the -lsocket and -lnsl libraries.
619 # The order here is important, so that they end up in the right
620 # order in the command line generated by make. Here are some
621 # special considerations:
622 # 1. Use "connect" and "accept" to check for -lsocket, and
623 # "gethostbyname" to check for -lnsl.
624 # 2. Use each function name only once: can't redo a check because
625 # autoconf caches the results of the last check and won't redo it.
626 # 3. Use -lnsl and -lsocket only if they supply procedures that
627 # aren't already present in the normal libraries. This is because
628 # IRIX 5.2 has libraries, but they aren't needed and they're
629 # bogus: they goof up name resolution if used.
630 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
631 # To get around this problem, check for both libraries together
632 # if -lsocket doesn't work by itself.
633 #--------------------------------------------------------------------
635 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
638 unset ac_cv_func_connect
639 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
640 if test "$gcj_checkSocket" = 1; then
641 unset ac_cv_func_connect
642 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
645 if test "$gcj_checkBoth" = 1; then
647 LIBS="$LIBS -lsocket -lnsl"
648 unset ac_cv_func_accept
649 AC_CHECK_FUNC(accept,
651 gcj_cv_lib_sockets="-lsocket -lnsl"])
652 unset ac_cv_func_accept
655 unset ac_cv_func_gethostbyname
657 LIBS="$LIBS $gcj_cv_lib_sockets"
658 AC_CHECK_FUNC(gethostbyname, ,
659 [AC_CHECK_LIB(nsl, main,
660 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
661 unset ac_cv_func_gethostbyname
664 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
666 if test "$with_system_zlib" = yes; then
667 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=)
670 # On Solaris, and maybe other architectures, the Boehm collector
672 if test "$GC" = boehm; then
673 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
676 if test -z "${with_multisubdir}"; then
680 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
683 if test -x "${builddotdot}/../../gcc/gcj"; then
684 dir="`cd ${builddotdot}/../../gcc && pwd`"
685 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
693 # Create it, so that compile/link tests don't fail
694 test -f libgcj.spec || touch libgcj.spec
696 # We must search the source tree for java.lang, since we still don't
697 # have libgcj.jar nor java/lang/*.class
698 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
699 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
701 # Since some classes depend on this one, we need its source available
702 # before we can do any GCJ compilation test :-(
703 if test ! -f gnu/classpath/Configuration.java; then
704 test -d gnu || mkdir gnu
705 test -d gnu/classpath || mkdir gnu/classpath
706 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
707 < $srcdir/gnu/classpath/Configuration.java.in \
708 > gnu/classpath/Configuration.java
709 # We do not want to redirect the output of the grep below to /dev/null,
710 # but we add /dev/null to the input list so that grep will print the
711 # filename of Configuration.java in case it finds any matches.
712 if grep @ gnu/classpath/Configuration.java /dev/null; then
713 AC_MSG_ERROR([configure.in is missing the substitutions above])
719 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
721 AC_COMPILE_CHECK_SIZEOF(void *)
727 if test -z "$ZLIBSPEC"; then
728 # Use zlib from the GCC tree.
729 ZINCS='-I$(top_srcdir)/../zlib'
730 ZLIBS=../zlib/libzgcj_convenience.la
733 SYS_ZLIBS="$ZLIBSPEC"
739 AC_SUBST(EXCEPTIONSPEC)
741 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
742 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
743 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
744 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
745 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
746 AC_SUBST(GCC_UNWIND_INCLUDE)
748 AC_SUBST(AM_RUNTESTFLAGS)
750 # Determine gcj version number.
752 gcjversion=`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`
754 GCJVERSION=$gcjversion
756 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
758 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
759 AC_MSG_CHECKING([for g++ -ffloat-store bug])
760 save_CFLAGS="$CFLAGS"
761 CFLAGS="-x c++ -O2 -ffloat-store"
762 AC_TRY_COMPILE([#include <math.h>], ,
764 [AC_DEFINE(__NO_MATH_INLINES)
766 CFLAGS="$save_CFLAGS"
768 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
769 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
770 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
771 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 pwd.h sys/config.h stdint.h langinfo.h locale.h)
772 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
773 dnl for now. If you change this, you also must update natFile.cc.
774 AC_CHECK_HEADERS(dirent.h)
775 AC_CHECK_HEADERS(inttypes.h, [
776 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
777 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
781 AC_CHECK_TYPE([ssize_t], [int])
783 AC_MSG_CHECKING([for in_addr_t])
784 AC_TRY_COMPILE([#include <sys/types.h>
789 #if HAVE_NETINET_IN_H
790 #include <netinet/in.h>
791 #endif], [in_addr_t foo;],
792 [AC_DEFINE([HAVE_IN_ADDR_T])
796 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
797 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
798 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
802 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
803 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
804 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
808 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
809 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
810 [AC_DEFINE(HAVE_INET6)
814 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
815 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
816 #include <sys/types.h>
817 #include <sys/socket.h>], [socklen_t x = 5;],
818 [AC_DEFINE(HAVE_SOCKLEN_T)
822 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
823 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
824 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
827 AC_MSG_CHECKING([for global timezone variable])
828 dnl FIXME: we don't want a link check here because that won't work
829 dnl when cross-compiling. So instead we make an assumption that
830 dnl the header file will mention timezone if it exists.
831 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
832 [AC_DEFINE(HAVE_TIMEZONE)
834 [AC_MSG_RESULT(no)])])
838 AC_CHECK_PROGS(PERL, perl, false)
844 SIGNAL_HANDLER=include/i386-signal.h
847 SIGNAL_HANDLER=include/sparc-signal.h
850 # SYSDEP_SOURCES=sysdep/ia64.c
851 # test -d sysdep || mkdir sysdep
854 SIGNAL_HANDLER=include/dwarf2-signal.h
857 SIGNAL_HANDLER=include/dwarf2-signal.h
860 SIGNAL_HANDLER=include/win32-signal.h
863 SIGNAL_HANDLER=include/default-signal.h
867 # If we're using sjlj exceptions, forget what we just learned.
868 if test "$enable_sjlj_exceptions" = yes; then
869 SIGNAL_HANDLER=include/default-signal.h
872 AC_SUBST(SYSDEP_SOURCES)
874 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
876 if test "${multilib}" = "yes"; then
877 multilib_arg="--enable-multilib"
884 dnl Determine which AWT peer libraries to build
885 AC_ARG_ENABLE(java-awt,
886 [ --enable-java-awt list of AWT peer implementations to be built])
888 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
892 for peer in $peerlibs ; do
895 if [test "$no_x" = yes]; then
896 echo "*** xlib peers requested but no X library available" 1>&2
911 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
916 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
917 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
923 # We get this from the environment.
926 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
927 [# Only add multilib support code if we just rebuilt top-level Makefile.
928 case " $CONFIG_FILES " in
930 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
934 # Make subdirectories and `.d' files. Look in both srcdir and
935 # builddir for the .java files.
938 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
939 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
940 fgrep -v testsuite | \
941 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
943 echo "include $f" >> deps.mk
946 d=`echo $f | sed -e 's,/[^/]*$,,'`
948 if test ! -d $d; then
949 $libgcj_basedir/../mkinstalldirs $d
958 with_multisubdir=${with_multisubdir}
959 ac_configure_args="${multilib_arg} ${ac_configure_args}"
960 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
961 libgcj_basedir=${libgcj_basedir}