Reduce leaks ad maximum, only leaks on a++

Makefile

@@ -5,18 +5,17 @@ DOC = doc/main.pdf
 OBJ = \
 	src/lexer.o  
 
-all: $(BIN) $(TEST) $(DOC)
+CFLAGS = -g
+
+all: $(TEST) $(DOC)
 
 test: $(TEST)
 
 $(DOC): doc/main.typst
 	typst compile $< $@
 
-$(BIN): $(OBJ) $(BIN).o 
-	$(CC) -g -o $(BIN) $(BIN).o $(OBJ)
-
 $(TEST): $(OBJ) $(TEST).o 
-	$(CC) -g -o $(TEST) $(TEST).o $(OBJ)
+	$(CC) $(CFLAGS) -o $(TEST) $(TEST).o $(OBJ)
 
 fmt:
 	clang-format -i src/*.c src/*.h