1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index e62045a..b3ef265 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,8 @@ OBJ      = ${SRC:.c=.o}
 CFLAGS  != pkg-config --cflags ${LIBS}
 LFLAGS  != pkg-config --libs ${LIBS}
 
+CFLAGS  += -DX11
+
 ${PROG}: ${OBJ}
 	${CC} ${OBJ} -o $@ ${LFLAGS}