From 8b613bf677ae5f0940b112477ff3e5979ec58f36 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Sat, 9 Jul 2016 15:37:41 -0400
Subject: Add dependency generation to makefile.

---
 Makefile | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index bde9466..d4664b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,20 @@
 CFLAGS += -Wall -Wextra -Wwrite-strings -Wno-missing-field-initializers -std=c99 -D_BSD_SOURCE -D_DEFAULT_SOURCE
-
+CPPFLAGS += -MMD -MP
 LDLIBS := -lev
 
-NET_OBJS := src/checksum.o src/client.o src/server.o
-OBJS := src/udpastcp.o $(NET_OBJS)
+TARGET := udpastcp
+NET_SRC := src/checksum.c src/client.c src/server.c
+SRC := src/udpastcp.c $(NET_SRC)
+OBJ := $(SRC:%.c=%.o)
+DEP := $(SRC:%.c=%.d)
 
-udpastcp: $(OBJS)
+$(TARGET): $(OBJ)
 	$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@
 
 # networking code needs aliasing to work at all
-$(NET_OBJS): CFLAGS+=-fno-strict-aliasing -Wno-sign-compare
+$(NET_SRC:%.c=%.o): CFLAGS+=-fno-strict-aliasing -Wno-sign-compare
+
+-include $(DEP)
 
 clean:
-	$(RM) $(OBJS)
+	$(RM) $(TARGET) $(OBJ) $(DEP)
-- 
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