Index: build_test.fns
===================================================================
--- build_test.fns	(revision 287)
+++ build_test.fns	(working copy)
@@ -576,7 +576,7 @@
 # sigh - we need to mark systems that need the bsd setpgrp() call
 htype=`uname`
 case "$htype" in
-  *BSD|*bsd|OSF1)
+  *BSD|*bsd|OSF1|Darwin)
 	TIMELIMIT_FLAGS=-DBSD_SETPGRP
 	export TIMELIMIT_FLAGS
   ;;