not a bug, i had the wrong makefile

Makefile

@@ -1,16 +1,14 @@
 CC = gcc
 CFLAGS = -Wall -Wextra -O2 -pipe 
-LDLIBS = 
 TARGET = timetolocal
 SRC = $(wildcard *.c)
-OBJ = $(SRC:src/%.c=obj/%.o)
 PREFIX = /usr/local
 
 all: $(TARGET)
 
 $(TARGET): $(OBJ)
 	@mkdir -p $(@D)
-	$(CC) $(CFLAGS) -o $(TARGET) $(OBJ) $(LDLIBS)
+	$(CC) $(CFLAGS) -o $(TARGET) $(SRC)
 
 install: $(TARGET)
 	install -D $(TARGET) $(DESTDIR)$(PREFIX)/bin/$(notdir $(TARGET))
@@ -18,9 +16,5 @@ install: $(TARGET)
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/$(notdir $(TARGET))
 
-obj/%.o: src/%.c
-	@mkdir -p $(@D)
-	$(CC) $(CFLAGS) -c $< -o $@
-
 clean:
-	rm -rf obj/ $(TARGET)
+	rm -rf $(TARGET)