1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 58f4163..1c63b58 100644
--- a/Makefile
+++ b/Makefile
@@ -2,9 +2,11 @@ build: grammar.y lex.l ast.h ast.c
 	bison \
 		-o build/grammar.tab.c \
 		-d grammar.y \
+		-t \
 		#-Wcounterexamples
 	flex \
 		-o build/lex.yy.c \
+		-d \
 		lex.l
 	gcc \
 		-o build/henshin \