--- a/configure.ac	2010-03-09 12:41:45.000000000 +0100
+++ b/configure.ac	2010-05-17 23:07:39.000000000 +0200
@@ -222,7 +222,7 @@
     CFLAGS="-DNDEBUG $CFLAGS"
 fi
 
-LDFLAGS="-Wl,-z,defs"
+LDFLAGS="$LDFLAGS -Wl,-z,defs"
 
 dnl
 dnl Make sure we can actually handle the "--with-*" and "--enable-*" stuff.