2002-03-27 Anthony Green <green@redhat.com>

	* libgcj.spec.in: Add CHECKREFSPEC.
	* configure.in: Ditto.
	* configure.host: Ditto.  Check references for xscale-elf.
	* configure: Rebuilt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51457 138bc75d-0d04-0410-961f-82ee72b054a4

9 files changed, 121 insertions, 104 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 257e1626a72..2a57cc407bd 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,10 @@
+2002-03-27  Anthony Green  <green@redhat.com>
+
+	* libgcj.spec.in: Add CHECKREFSPEC.
+	* configure.in: Ditto.
+	* configure.host: Ditto.  Check references for xscale-elf.
+	* configure: Rebuilt.
+
 2002-03-26  Hans Boehm <Hans_Boehm@hp.com>
 
 	* include/dwarf2-signal.h: Temporarily back out last change.
diff --git a/libjava/Makefile.in b/libjava/Makefile.in
index 74d50d38a36..834ed17a31c 100644
--- a/libjava/Makefile.in
+++ b/libjava/Makefile.in
@@ -67,6 +67,7 @@ AM_RUNTESTFLAGS = @AM_RUNTESTFLAGS@
 AR = @AR@
 AS = @AS@
 CC = @CC@
+CHECKREFSPEC = @CHECKREFSPEC@
 COMPPATH = @COMPPATH@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
diff --git a/libjava/configure b/libjava/configure
index f86c865a395..581c5af808f 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -5537,6 +5537,7 @@ fi
 
 
 
+
 if test "$CANADIAN" = yes; then
   CANADIAN_TRUE=
   CANADIAN_FALSE='#'
@@ -5596,18 +5597,18 @@ EOF
 
 
 echo $ac_n "checking for g++ -ffloat-store bug""... $ac_c" 1>&6
-echo "configure:5600: checking for g++ -ffloat-store bug" >&5
+echo "configure:5601: checking for g++ -ffloat-store bug" >&5
 save_CFLAGS="$CFLAGS"
 CFLAGS="-x c++ -O2 -ffloat-store"
 cat > conftest.$ac_ext <<EOF
-#line 5604 "configure"
+#line 5605 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5611: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5612: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""no" 1>&6
 else
@@ -5627,17 +5628,17 @@ for ac_hdr in unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5631: checking for $ac_hdr" >&5
+echo "configure:5632: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5636 "configure"
+#line 5637 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5641: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5642: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5667,17 +5668,17 @@ for ac_hdr in dirent.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5671: checking for $ac_hdr" >&5
+echo "configure:5672: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5676 "configure"
+#line 5677 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5681: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5682: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5707,17 +5708,17 @@ for ac_hdr in inttypes.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5711: checking for $ac_hdr" >&5
+echo "configure:5712: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5716 "configure"
+#line 5717 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5721: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5722: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5753,12 +5754,12 @@ fi
 done
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:5757: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:5758: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5762 "configure"
+#line 5763 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -5774,7 +5775,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:5778: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5779: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -5796,12 +5797,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:5800: checking for ANSI C header files" >&5
+echo "configure:5801: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5805 "configure"
+#line 5806 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -5809,7 +5810,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5813: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5814: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5826,7 +5827,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5830 "configure"
+#line 5831 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -5844,7 +5845,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 5848 "configure"
+#line 5849 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -5865,7 +5866,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 5869 "configure"
+#line 5870 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -5876,7 +5877,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:5880: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -5900,12 +5901,12 @@ EOF
 fi
 
 echo $ac_n "checking for ssize_t""... $ac_c" 1>&6
-echo "configure:5904: checking for ssize_t" >&5
+echo "configure:5905: checking for ssize_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_ssize_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5909 "configure"
+#line 5910 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5934,9 +5935,9 @@ fi
 
 
 echo $ac_n "checking for in_addr_t""... $ac_c" 1>&6
-echo "configure:5938: checking for in_addr_t" >&5
+echo "configure:5939: checking for in_addr_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5940 "configure"
+#line 5941 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -5950,7 +5951,7 @@ int main() {
 in_addr_t foo;
 ; return 0; }
 EOF
-if { (eval echo configure:5954: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5955: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_IN_ADDR_T 1
@@ -5966,16 +5967,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct ip_mreq is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:5970: checking whether struct ip_mreq is in netinet/in.h" >&5
+echo "configure:5971: checking whether struct ip_mreq is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5972 "configure"
+#line 5973 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct ip_mreq mreq;
 ; return 0; }
 EOF
-if { (eval echo configure:5979: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STRUCT_IP_MREQ 1
@@ -5991,16 +5992,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct ipv6_mreq is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:5995: checking whether struct ipv6_mreq is in netinet/in.h" >&5
+echo "configure:5996: checking whether struct ipv6_mreq is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5997 "configure"
+#line 5998 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct ipv6_mreq mreq6;
 ; return 0; }
 EOF
-if { (eval echo configure:6004: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6005: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STRUCT_IPV6_MREQ 1
@@ -6016,16 +6017,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct sockaddr_in6 is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:6020: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
+echo "configure:6021: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6022 "configure"
+#line 6023 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct sockaddr_in6 addr6;
 ; return 0; }
 EOF
-if { (eval echo configure:6029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6030: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_INET6 1
@@ -6041,9 +6042,9 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for socklen_t in sys/socket.h""... $ac_c" 1>&6
-echo "configure:6045: checking for socklen_t in sys/socket.h" >&5
+echo "configure:6046: checking for socklen_t in sys/socket.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6047 "configure"
+#line 6048 "configure"
 #include "confdefs.h"
 #define _POSIX_PII_SOCKET
 #include <sys/types.h>
@@ -6052,7 +6053,7 @@ int main() {
 socklen_t x = 5;
 ; return 0; }
 EOF
-if { (eval echo configure:6056: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6057: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_SOCKLEN_T 1
@@ -6068,16 +6069,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:6072: checking for tm_gmtoff in struct tm" >&5
+echo "configure:6073: checking for tm_gmtoff in struct tm" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6074 "configure"
+#line 6075 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tim; tim.tm_gmtoff = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:6081: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6082: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define STRUCT_TM_HAS_GMTOFF 1
@@ -6090,16 +6091,16 @@ else
   rm -rf conftest*
   echo "$ac_t""no" 1>&6
    echo $ac_n "checking for global timezone variable""... $ac_c" 1>&6
-echo "configure:6094: checking for global timezone variable" >&5
+echo "configure:6095: checking for global timezone variable" >&5
             cat > conftest.$ac_ext <<EOF
-#line 6096 "configure"
+#line 6097 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 long z2 = timezone;
 ; return 0; }
 EOF
-if { (eval echo configure:6103: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6104: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_TIMEZONE 1
@@ -6119,19 +6120,19 @@ rm -f conftest*
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:6123: checking for working alloca.h" >&5
+echo "configure:6124: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6128 "configure"
+#line 6129 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:6135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -6152,12 +6153,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:6156: checking for alloca" >&5
+echo "configure:6157: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6161 "configure"
+#line 6162 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -6185,7 +6186,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:6189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6190: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -6217,12 +6218,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:6221: checking whether alloca needs Cray hooks" >&5
+echo "configure:6222: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6226 "configure"
+#line 6227 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -6247,12 +6248,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6251: checking for $ac_func" >&5
+echo "configure:6252: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6256 "configure"
+#line 6257 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6275,7 +6276,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6279: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6302,7 +6303,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:6306: checking stack direction for C alloca" >&5
+echo "configure:6307: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6310,7 +6311,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 6314 "configure"
+#line 6315 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -6329,7 +6330,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:6333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6334: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -6356,7 +6357,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6360: checking for $ac_word" >&5
+echo "configure:6361: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6437,7 +6438,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:6438: checking for X" >&5
+echo "configure:6442: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -6499,12 +6500,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 6500 "configure"
+#line 6504 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6505: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6509: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6573,14 +6574,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6574 "configure"
+#line 6578 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:6581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6585: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -6686,17 +6687,17 @@ else
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:6687: checking whether -R must be followed by a space" >&5
+echo "configure:6691: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 6690 "configure"
+#line 6694 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6697: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6701: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -6712,14 +6713,14 @@ rm -f conftest*
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 6713 "configure"
+#line 6717 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6720: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6724: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -6751,7 +6752,7 @@ rm -f conftest*
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:6752: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:6756: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6759,7 +6760,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6760 "configure"
+#line 6764 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6770,7 +6771,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:6771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6775: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6792,7 +6793,7 @@ fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:6793: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:6797: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6800,7 +6801,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6801 "configure"
+#line 6805 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6811,7 +6812,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:6812: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6840,12 +6841,12 @@ fi
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:6841: checking for gethostbyname" >&5
+echo "configure:6845: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6846 "configure"
+#line 6850 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -6868,7 +6869,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -6889,7 +6890,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:6890: checking for gethostbyname in -lnsl" >&5
+echo "configure:6894: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6897,7 +6898,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6898 "configure"
+#line 6902 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6908,7 +6909,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:6909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6938,12 +6939,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:6939: checking for connect" >&5
+echo "configure:6943: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6944 "configure"
+#line 6948 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -6966,7 +6967,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6971: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -6987,7 +6988,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:6988: checking for connect in -lsocket" >&5
+echo "configure:6992: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6995,7 +6996,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6996 "configure"
+#line 7000 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7006,7 +7007,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:7007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7030,12 +7031,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:7031: checking for remove" >&5
+echo "configure:7035: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7036 "configure"
+#line 7040 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -7058,7 +7059,7 @@ remove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7063: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -7079,7 +7080,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:7080: checking for remove in -lposix" >&5
+echo "configure:7084: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7087,7 +7088,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7088 "configure"
+#line 7092 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7098,7 +7099,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:7099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7122,12 +7123,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:7123: checking for shmat" >&5
+echo "configure:7127: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7128 "configure"
+#line 7132 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -7150,7 +7151,7 @@ shmat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -7171,7 +7172,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:7172: checking for shmat in -lipc" >&5
+echo "configure:7176: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7179,7 +7180,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7180 "configure"
+#line 7184 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7190,7 +7191,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:7191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7195: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7223,7 +7224,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:7224: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:7228: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7231,7 +7232,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7232 "configure"
+#line 7236 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7242,7 +7243,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:7243: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7547,6 +7548,7 @@ s%@ZLIBS@%$ZLIBS%g
 s%@SYS_ZLIBS@%$SYS_ZLIBS%g
 s%@ZINCS@%$ZINCS%g
 s%@DIVIDESPEC@%$DIVIDESPEC%g
+s%@CHECKREFSPEC@%$CHECKREFSPEC%g
 s%@EXCEPTIONSPEC@%$EXCEPTIONSPEC%g
 s%@CANADIAN_TRUE@%$CANADIAN_TRUE%g
 s%@CANADIAN_FALSE@%$CANADIAN_FALSE%g
diff --git a/libjava/configure.host b/libjava/configure.host
index 8c48e82a307..7c882f3316e 100644
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -58,6 +58,7 @@ echo "$target"
 
 DIVIDESPEC=-fuse-divide-subroutine
 EXCEPTIONSPEC=-fnon-call-exceptions
+CHECKREFSPEC=
 
 case "${host}" in
   mips-tx39-*|mipstx39-unknown-*)
@@ -108,6 +109,8 @@ case "${host}" in
 	with_libffi_default=no
 	PROCESS=Ecos
 	FILE=Posix
+	CHECKREFSPEC=-fcheck-references
+	EXCEPTIONSPEC=
 	enable_java_net_default=no
 	enable_getenv_properties_default=no
 	enable_main_args_default=no
diff --git a/libjava/configure.in b/libjava/configure.in
index ba9649535d4..767ea0ebd54 100644
--- a/libjava/configure.in
+++ b/libjava/configure.in
@@ -738,6 +738,7 @@ AC_SUBST(ZLIBS)
 AC_SUBST(SYS_ZLIBS)
 AC_SUBST(ZINCS)
 AC_SUBST(DIVIDESPEC)
+AC_SUBST(CHECKREFSPEC)
 AC_SUBST(EXCEPTIONSPEC)
 
 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
diff --git a/libjava/gcj/Makefile.in b/libjava/gcj/Makefile.in
index 21ae51cc4bc..b973922caf4 100644
--- a/libjava/gcj/Makefile.in
+++ b/libjava/gcj/Makefile.in
@@ -67,6 +67,7 @@ AM_RUNTESTFLAGS = @AM_RUNTESTFLAGS@
 AR = @AR@
 AS = @AS@
 CC = @CC@
+CHECKREFSPEC = @CHECKREFSPEC@
 COMPPATH = @COMPPATH@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
diff --git a/libjava/include/Makefile.in b/libjava/include/Makefile.in
index eb2956e3d67..4b053d25b21 100644
--- a/libjava/include/Makefile.in
+++ b/libjava/include/Makefile.in
@@ -67,6 +67,7 @@ AM_RUNTESTFLAGS = @AM_RUNTESTFLAGS@
 AR = @AR@
 AS = @AS@
 CC = @CC@
+CHECKREFSPEC = @CHECKREFSPEC@
 COMPPATH = @COMPPATH@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
diff --git a/libjava/libgcj.spec.in b/libjava/libgcj.spec.in
index c0fe76dc4bc..e1b3526f9cb 100644
--- a/libjava/libgcj.spec.in
+++ b/libjava/libgcj.spec.in
@@ -6,4 +6,4 @@
 %rename lib liborig
 *lib: -lgcj -lm @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) %(liborig)
 
-*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ -fkeep-inline-functions
+*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ -fkeep-inline-functions
diff --git a/libjava/testsuite/Makefile.in b/libjava/testsuite/Makefile.in
index a274870005f..7ed6c373ade 100644
--- a/libjava/testsuite/Makefile.in
+++ b/libjava/testsuite/Makefile.in
@@ -67,6 +67,7 @@ AM_RUNTESTFLAGS = @AM_RUNTESTFLAGS@
 AR = @AR@
 AS = @AS@
 CC = @CC@
+CHECKREFSPEC = @CHECKREFSPEC@
 COMPPATH = @COMPPATH@
 CXX = @CXX@
 CXXCPP = @CXXCPP@