Add --coverage to support coverage testing.

1 files changed, 3 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index 19e6dbb..ea005b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
-CFLAGS = --std=c99 -Wall -Werror
+CFLAGS = --std=c99 -Wall -Werror --coverage
+LDFLAGS = --coverage
 
 all: unittests
 
@@ -10,5 +11,5 @@ check: all
 	./unittests
 	
 clean:
-	rm -f *.o *.a *.so core unittests
+	rm -f *.o *.a *.so *.gcov *.gcda *.gcno core unittests