$NetBSD$

--- configure~	2010-12-06 23:17:26.000000000 +0900
+++ configure	2010-12-06 23:21:30.000000000 +0900
@@ -713,7 +713,7 @@
     ;;
 "NetBSD" | "DragonFly" | "Darwin")
     CCOPTIONS="-DCSRG_BASED"
-    CDEBUGFLAGS="-O2 -fno-strength-reduce"
+    CDEBUGFLAGS="-O2 -fno-strength-reduce -g"
     CPP=/usr/bin/cpp
     ;;
 "SunOS")