--- configure.in~	Tue Sep  1 17:45:30 1998
+++ configure.in	Mon Sep  7 16:35:05 1998
@@ -23,6 +23,7 @@
 AC_CHECK_LIB(gen, regcmp)
 AC_CHECK_LIB(intl, regcmp)
 AC_CHECK_LIB(PW, regcmp)
+AC_CHECK_LIB(xpg4, setlocale)
 
 dnl Checks for terminal libraries
 dnl Solaris has curses & termcap, but they need libucb
--- configure.orig	Mon Sep  7 16:46:52 1998
+++ configure	Mon Sep  7 16:49:35 1998
@@ -1224,6 +1224,53 @@
   echo "$ac_t""no" 1>&6
 fi
 
+echo $ac_n "checking for setlocale in -lxpg4""... $ac_c" 1>&6
+echo "configure:1229: checking for setlocale in -lxpg4" >&5
+ac_lib_var=`echo xpg4'_'setlocale | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lxpg4  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 1237 "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 setlocale();
+
+int main() {
+setlocale()
+; return 0; }
+EOF
+if { (eval echo configure:1248: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$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
+    ac_tr_lib=HAVE_LIB`echo xpg4 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lxpg4 $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
 
 
 echo $ac_n "checking for working terminal libraries""... $ac_c" 1>&6