--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@
 all: buffer
 
 buffer: buffer.o sem.o
-	$(CC) -o buffer $(CFLAGS) buffer.o sem.o
+	$(CC) -o buffer $(CFLAGS) $(LDFLAGS) buffer.o sem.o
 
 clean:
 	$(RM) -f *.o core buffer .merrs
