1 files changed, 11 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 0cb1cbc..208f55e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,14 @@
-dns_example: dns_example.c dns.c dns.h
-	gcc dns_example.c dns.c -I. -o $@
+DEBUG  ?= yes
+
+CFLAGS  = -xc -ansi -Wall
+ifeq '$(DEBUG)' 'yes'
+CFLAGS += -g -O0
+else
+CFLAGS += -O3
+endif
+
+dns_example: dns_example.c dns.c
+	gcc $(CFLAGS) $^ -I. -o $@
 
 .PHONY: clean
 clean: