--- a/Makefile	Fri May 18 18:59:39 2007 +0200
+++ b/Makefile	Sat May 19 11:11:59 2007 +0200
@@ -1,2 +1,6 @@
-CFLAGS=-g -O0
+CFLAGS?=-g -O2
+all: sreplace
 sreplace: sreplace.o
+
+clean:
+	rm -f sreplace sreplace.o