--- aclocal/kerberos5.m4
+++ aclocal/kerberos5.m4
@@ -34,9 +34,12 @@
       KRBLIBS=`$K5CONFIG --libs gssapi`
       K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
       AC_DEFINE_UNQUOTED(KRB5_VERSION, $K5VERS, [Define this as the Kerberos version number])
-      if test -f $dir/include/gssapi/gssapi_krb5.h -a \
+      if test \( -f $dir/include/gssapi/gssapi_krb5.h -o \
+		 -f /usr/include/gssapi/gssapi_krb5.h \) -a \
                 \( -f $dir/lib/libgssapi_krb5.a -o \
-                   -f $dir/lib/libgssapi_krb5.so \) ; then
+                   -f $dir/lib/libgssapi_krb5.so -o \
+		   -f /usr/lib/libgssapi_krb5.so -o \
+		   -f /usr/lib64/libgssapi_krb5.so \) ; then
          AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])
          KRBDIR="$dir"
   dnl If we are using MIT K5 1.3.1 and before, we *MUST* use the