--- makefile.orig	Sun Oct 19 01:20:44 2003
+++ makefile	Sun Oct 19 01:20:53 2003
@@ -20,8 +20,8 @@
 #
 ########################################################################
 
-CC         = cc
-CFLAGS     = -O 
+CC         ?= cc
+CFLAGS     ?= -O -pipe
 SRC        = ./src
 
 # For MPI, mpicc will set up the proper include and library paths