Add makefile and util.h to finish previous commit

1 files changed, 14 insertions, 7 deletions

diff --git a/Makefile b/Makefile
index ff728e6..ac6b529 100644
--- a/Makefile
+++ b/Makefile
@@ -1,22 +1,29 @@
 # See COPYING file for copyright, license and warranty details.
-
 include config.mk
 
 SRC = getgbook.c
-OBJ = $(SRC:.c=.o)
+LIB = util.o
+
 BIN = $(SRC:.c=)
+OBJ = $(SRC:.c=.o) $(LIB)
 
 all: $(BIN)
 
-$(OBJ): util.c
+$(OBJ): util.h config.mk
+$(BIN): util.a
+
+.o:
+	@echo LD $@
+	@$(LD) -o $@ $< util.a $(LDFLAGS)
 
 .c.o:
 	@echo CC $<
 	@$(CC) -c $(CFLAGS) $<
 
-getgbook: $(OBJ)
-	@echo LD $@
-	@$(CC) -o $@ $(OBJ) $(LDFLAGS)
+util.a: $(LIB)
+	@echo AR $@
+	@$(AR) -r -c $@ $(LIB)
+	@ranlib $@
 
 install: all
 	cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
@@ -25,6 +32,6 @@ uninstall:
 	cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN)
 
 clean:
-	rm -f -- $(BIN) $(OBJ)
+	rm -f -- $(BIN) $(OBJ) util.a
 
 .PHONY: all clean install uninstall