From 5371a49ce0eda4054cc4dcb73abea351482711c2 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Wed, 30 Dec 2020 22:47:49 -0800
Subject: Refactoring into multiple files better

---
 Makefile | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 37ee948..376cac6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,26 @@
 NAME=bb
 PREFIX=
 CC ?= gcc
+G ?=
 O ?= -O2
-CFLAGS=-std=c99 -D_XOPEN_SOURCE=500 -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L
+CFLAGS=-std=c99 -D_XOPEN_SOURCE=700 -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L
 CWARN=-Wall -Wpedantic -Wextra -Wno-unknown-pragmas -Wno-missing-field-initializers\
 	  -Wno-padded -Wsign-conversion -Wno-missing-noreturn -Wno-cast-qual -Wtype-limits
 #CFLAGS += -fsanitize=address -fno-omit-frame-pointer
-G=
+
+CFILES=columns.c bterm.c
+OBJFILES=$(CFILES:.c=.o)
 
 all: $(NAME)
 
 clean:
-	rm -f $(NAME)
+	rm -f $(NAME) $(OBJFILES)
+
+.c.o:
+	$(CC) -c $(CFLAGS) $(CWARN) $(G) $(O) -o $@ $<
 
-$(NAME): $(NAME).c bterm.h bb.h columns.h
-	$(CC) $(NAME).c $(CFLAGS) $(CWARN) $(G) $(O) -o $@
+$(NAME): $(OBJFILES) $(NAME).c
+	$(CC) $(CFLAGS) $(CWARN) $(G) $(O) -o $@ $(OBJFILES) $(NAME).c
 
 install: $(NAME)
 	@prefix="$(PREFIX)"; \
-- 
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