* configure: Rebuilt.

	* configure.in: Look for sched_yield in -lrt.


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/libgcj-2_95-branch@28553 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 136 insertions, 78 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 32ccba09ba4..6e768341a02 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+1999-08-06  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Look for sched_yield in -lrt.
+
 1999-08-03  Alexandre Oliva  <oliva@dcc.unicamp.br>
 
 	* configure.in (CXXFLAGS): The buggy g++ -g work-around was buggy
diff --git a/libjava/configure b/libjava/configure
index 9d133c72077..a71ac491853 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -3393,7 +3393,7 @@ done
    # Look for these functions in the thread library.
    save_LIBS="$LIBS"
    LIBS="$LIBS $THREADLIBS"
-   for ac_func in pthread_mutexattr_settype pthread_mutexattr_setkind_np sched_yield
+   for ac_func in pthread_mutexattr_settype pthread_mutexattr_setkind_np
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 echo "configure:3400: checking for $ac_func" >&5
@@ -3448,16 +3448,18 @@ else
 fi
 done
 
-   # Look for sched_yield.  Sometimes it is in the posix4 library.
+
+   # Look for sched_yield.  Sometimes it is in the posix4 library
+   # (Solaris) and sometimes in -lrt (x86 Solaris).
    for ac_func in sched_yield
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3456: checking for $ac_func" >&5
+echo "configure:3458: 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 3461 "configure"
+#line 3463 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3480,7 +3482,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3502,7 +3504,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sched_yield in -lposix4""... $ac_c" 1>&6
-echo "configure:3506: checking for sched_yield in -lposix4" >&5
+echo "configure:3508: checking for sched_yield in -lposix4" >&5
 ac_lib_var=`echo posix4'_'sched_yield | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3510,7 +3512,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix4  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3514 "configure"
+#line 3516 "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
@@ -3521,7 +3523,7 @@ int main() {
 sched_yield()
 ; return 0; }
 EOF
-if { (eval echo configure:3525: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3544,6 +3546,52 @@ EOF
        THREADLIBS="$THREADLIBS -lposix4"
 else
   echo "$ac_t""no" 1>&6
+
+       echo $ac_n "checking for sched_yield in -lrt""... $ac_c" 1>&6
+echo "configure:3552: checking for sched_yield in -lrt" >&5
+ac_lib_var=`echo rt'_'sched_yield | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lrt  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3560 "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
+    builtin and then its argument prototype would still apply.  */
+char sched_yield();
+
+int main() {
+sched_yield()
+; return 0; }
+EOF
+if { (eval echo configure:3571: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  
+         cat >> confdefs.h <<\EOF
+#define HAVE_SCHED_YIELD 1
+EOF
+
+	 THREADLIBS="$THREADLIBS -lrt"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
 fi
 
 fi
@@ -3556,12 +3604,12 @@ done
    for ac_func in gettimeofday time ftime
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3560: checking for $ac_func" >&5
+echo "configure:3608: 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 3565 "configure"
+#line 3613 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3584,7 +3632,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3588: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3636: \"$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
@@ -3615,12 +3663,12 @@ done
    for ac_func in memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3619: checking for $ac_func" >&5
+echo "configure:3667: 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 3624 "configure"
+#line 3672 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3643,7 +3691,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3647: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3695: \"$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
@@ -3673,12 +3721,12 @@ done
    for ac_func in memcpy
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3677: checking for $ac_func" >&5
+echo "configure:3725: 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 3682 "configure"
+#line 3730 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3701,7 +3749,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3753: \"$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
@@ -3749,7 +3797,7 @@ done
    #--------------------------------------------------------------------
 
    echo $ac_n "checking for socket libraries""... $ac_c" 1>&6
-echo "configure:3753: checking for socket libraries" >&5
+echo "configure:3801: checking for socket libraries" >&5
 if eval "test \"`echo '$''{'gcj_cv_lib_sockets'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3757,12 +3805,12 @@ else
      gcj_checkBoth=0
      unset ac_cv_func_connect
      echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:3761: checking for connect" >&5
+echo "configure:3809: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3766 "configure"
+#line 3814 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -3785,7 +3833,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3789: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3837: \"$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
@@ -3808,7 +3856,7 @@ fi
      if test "$gcj_checkSocket" = 1; then
 	 unset ac_cv_func_connect
 	 echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:3812: checking for main in -lsocket" >&5
+echo "configure:3860: checking for main in -lsocket" >&5
 ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3816,14 +3864,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3820 "configure"
+#line 3868 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3827: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3850,12 +3898,12 @@ fi
 	 LIBS="$LIBS -lsocket -lnsl"
 	 unset ac_cv_func_accept
 	 echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:3854: checking for accept" >&5
+echo "configure:3902: checking for accept" >&5
 if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3859 "configure"
+#line 3907 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char accept(); below.  */
@@ -3878,7 +3926,7 @@ accept();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3882: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3930: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_accept=yes"
 else
@@ -3905,12 +3953,12 @@ fi
      gcj_oldLibs=$LIBS
      LIBS="$LIBS $gcj_cv_lib_sockets"
      echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:3909: checking for gethostbyname" >&5
+echo "configure:3957: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3914 "configure"
+#line 3962 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -3933,7 +3981,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3985: \"$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
@@ -3951,7 +3999,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:3955: checking for main in -lnsl" >&5
+echo "configure:4003: checking for main in -lnsl" >&5
 ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3959,14 +4007,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3963 "configure"
+#line 4011 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4018: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3998,7 +4046,7 @@ echo "$ac_t""$gcj_cv_lib_sockets" 1>&6
 
    if test "$with_system_zlib" = yes; then
       echo $ac_n "checking for deflate in -lz""... $ac_c" 1>&6
-echo "configure:4002: checking for deflate in -lz" >&5
+echo "configure:4050: checking for deflate in -lz" >&5
 ac_lib_var=`echo z'_'deflate | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4006,7 +4054,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lz  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4010 "configure"
+#line 4058 "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
@@ -4017,7 +4065,7 @@ int main() {
 deflate()
 ; return 0; }
 EOF
-if { (eval echo configure:4021: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4046,7 +4094,7 @@ fi
    # requires -ldl.
    if test "$GC" = boehm; then
       echo $ac_n "checking for main in -ldl""... $ac_c" 1>&6
-echo "configure:4050: checking for main in -ldl" >&5
+echo "configure:4098: checking for main in -ldl" >&5
 ac_lib_var=`echo dl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4054,14 +4102,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4058 "configure"
+#line 4106 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4065: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4113: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4170,17 +4218,17 @@ for ac_hdr in unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4174: checking for $ac_hdr" >&5
+echo "configure:4222: 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 4179 "configure"
+#line 4227 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4184: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4232: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4210,17 +4258,17 @@ for ac_hdr in dirent.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4214: checking for $ac_hdr" >&5
+echo "configure:4262: 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 4219 "configure"
+#line 4267 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4272: \"$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*
@@ -4248,16 +4296,16 @@ done
 
 
 echo $ac_n "checking whether struct sockaddr_in6 is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:4252: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
+echo "configure:4300: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4254 "configure"
+#line 4302 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct sockaddr_in6 addr6;
 ; return 0; }
 EOF
-if { (eval echo configure:4261: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4309: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_INET6 1
@@ -4273,16 +4321,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for socklen_t in sys/socket.h""... $ac_c" 1>&6
-echo "configure:4277: checking for socklen_t in sys/socket.h" >&5
+echo "configure:4325: checking for socklen_t in sys/socket.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4279 "configure"
+#line 4327 "configure"
 #include "confdefs.h"
 #include <sys/socket.h>
 int main() {
 socklen_t x = 5;
 ; return 0; }
 EOF
-if { (eval echo configure:4286: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4334: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_SOCKLEN_T 1
@@ -4298,16 +4346,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:4302: checking for tm_gmtoff in struct tm" >&5
+echo "configure:4350: checking for tm_gmtoff in struct tm" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4304 "configure"
+#line 4352 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tim; tim.tm_gmtoff = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define STRUCT_TM_HAS_GMTOFF 1
@@ -4320,16 +4368,16 @@ else
   rm -rf conftest*
   echo "$ac_t""no" 1>&6
    echo $ac_n "checking for global timezone variable""... $ac_c" 1>&6
-echo "configure:4324: checking for global timezone variable" >&5
+echo "configure:4372: checking for global timezone variable" >&5
             cat > conftest.$ac_ext <<EOF
-#line 4326 "configure"
+#line 4374 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 long z2 = timezone;
 ; return 0; }
 EOF
-if { (eval echo configure:4333: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4381: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_TIMEZONE 1
@@ -4349,19 +4397,19 @@ 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""... $ac_c" 1>&6
-echo "configure:4353: checking for working alloca.h" >&5
+echo "configure:4401: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4358 "configure"
+#line 4406 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:4365: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4413: \"$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
@@ -4382,12 +4430,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:4386: checking for alloca" >&5
+echo "configure:4434: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4391 "configure"
+#line 4439 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -4415,7 +4463,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:4419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4467: \"$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
@@ -4447,12 +4495,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:4451: checking whether alloca needs Cray hooks" >&5
+echo "configure:4499: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4456 "configure"
+#line 4504 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -4477,12 +4525,12 @@ 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:4481: checking for $ac_func" >&5
+echo "configure:4529: 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 4486 "configure"
+#line 4534 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4505,7 +4553,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4509: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4557: \"$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
@@ -4532,7 +4580,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:4536: checking stack direction for C alloca" >&5
+echo "configure:4584: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4540,7 +4588,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 4544 "configure"
+#line 4592 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -4559,7 +4607,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:4563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4611: \"$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
@@ -4582,7 +4630,7 @@ fi
 
 
 echo $ac_n "checking for g++ -g jboolean bug""... $ac_c" 1>&6
-echo "configure:4586: checking for g++ -g jboolean bug" >&5
+echo "configure:4634: checking for g++ -g jboolean bug" >&5
 if eval "test \"`echo '$''{'libjava_cv_gxx_debug_jboolean_bug'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4595,14 +4643,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
   cat > conftest.$ac_ext <<EOF
-#line 4599 "configure"
+#line 4647 "configure"
 #include "confdefs.h"
 typedef __java_boolean jboolean;
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4606: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libjava_cv_gxx_debug_jboolean_bug=no
 else
@@ -4636,7 +4684,7 @@ do
 # Extract the first word of "$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:4640: checking for $ac_word" >&5
+echo "configure:4688: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
diff --git a/libjava/configure.in b/libjava/configure.in
index cc3206bdc02..aad8b3db3d4 100644
--- a/libjava/configure.in
+++ b/libjava/configure.in
@@ -368,12 +368,17 @@ else
    # Look for these functions in the thread library.
    save_LIBS="$LIBS"
    LIBS="$LIBS $THREADLIBS"
-   AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np sched_yield)
-   # Look for sched_yield.  Sometimes it is in the posix4 library.
+   AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
+
+   # Look for sched_yield.  Sometimes it is in the posix4 library
+   # (Solaris) and sometimes in -lrt (x86 Solaris).
    AC_CHECK_FUNCS(sched_yield, , [
      AC_CHECK_LIB(posix4, sched_yield, [
        AC_DEFINE(HAVE_SCHED_YIELD)
-       THREADLIBS="$THREADLIBS -lposix4"])])
+       THREADLIBS="$THREADLIBS -lposix4"], [
+       AC_CHECK_LIB(rt, sched_yield, [
+         AC_DEFINE(HAVE_SCHED_YIELD)
+	 THREADLIBS="$THREADLIBS -lrt"])])])
    LIBS="$save_LIBS"
 
    # We require a way to get the time.