From 2a90ee943482d50d8111aaf9c8f80ad68e0ad49f Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 16 Oct 2019 21:36:36 -0400
Subject: automate dependency tracking some

---
 src/Makefile | 28 ++++++++--------------------
 1 file changed, 8 insertions(+), 20 deletions(-)

(limited to 'src/Makefile')

diff --git a/src/Makefile b/src/Makefile
index 3de2a68..82ac0b1 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,30 +6,18 @@ CFLAGS=-Wall -Wextra -Wpedantic
 LDFLAGS=
 LIBS=-ll -ly
 
-OBJS=	ar.o asa.o \
-	basename.o \
-	cal.o cat.o chgrp.o chmod.o chown.o cksum.o cmp.o cp.o crontab.o ctags.o \
-	date.o dd.o dirname.o du.o \
-	ed.o env.o ex.o expand.o \
-	file.o \
-	getconf.o grep.o \
-	head.o \
-	iconv.o id.o \
-	link.o ln.o locale.o logger.o logname.o ls.o \
-	mkdir.o mkfifo.o more.o \
-	nice.o nohup.o \
-	od.o \
-	paste.o pathchk.o printf.o \
-	renice.o rm.o rmdir.o \
-	sh.o sleep.o split.o strings.o stty.o sum.o \
-	tail.o tee.o tput.o tr.o \
-	uname.o unlink.o uudecode.o uuencode.o \
-	wc.o who.o write.o 
+include .deps.mk
+include .objs.mk
 
 bosix: $(OBJS)
 	$(CC) -o $@ $(OBJS) $(LDFLAGS) $(LIBS)
 
-sh.o: sh.c mains.h builtins.h
+deps:
+	printf '.POSIX:\n\n' > .deps.mk
+	for i in *.c; do printf '%s.o: %s ' "$$(basename $$i .c)" "$$i"; grep include "$$i" | sed -e 's/^.*"\(.*\)".*/\1/g' | paste -d' ' -s -; printf '\t$$(CC) -c $$(CFLAGS) %s\n\n' "$$i"; done >> .deps.mk
+	printf '.POSIX:\n\nOBJS=' > .objs.mk
+	for i in *.c; do printf '\\\n\t%s.o' $$(basename $$i .c); done >> .objs.mk
+	printf '\n' >> .objs.mk
 
 clean:
 	rm -f bosix *.o
-- 
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