Index: trunk/psconfig/pschecklibs
===================================================================
--- trunk/psconfig/pschecklibs	(revision 20297)
+++ trunk/psconfig/pschecklibs	(revision 20298)
@@ -136,5 +136,5 @@
         # not in the list
         &buildlib ($name, $tarball, $tardir, $configure_opts, $make_opts, $install_opts);
-        $force{lc($name)} = undef;
+        delete($force{lc($name)});
         next;
     }
@@ -187,5 +187,5 @@
 my $bad_force;
 foreach $k (keys %force) {
-    print STDERR "\nERROR: -force used for $k which isn't in the list\n";
+    print STDERR "\nERROR: -force $k requested but $k isn't in the list of libraries\n";
     $bad_force = 1;
 }