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/.deps.mk | 191 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/.objs.mk |  66 +++++++++++++++++++++
 src/Makefile |  28 +++------
 3 files changed, 265 insertions(+), 20 deletions(-)
 create mode 100644 src/.deps.mk
 create mode 100644 src/.objs.mk

diff --git a/src/.deps.mk b/src/.deps.mk
new file mode 100644
index 0000000..66e8360
--- /dev/null
+++ b/src/.deps.mk
@@ -0,0 +1,191 @@
+.POSIX:
+
+ar.o: ar.c ar/ar.c
+	$(CC) -c $(CFLAGS) ar.c
+
+asa.o: asa.c asa/asa.c
+	$(CC) -c $(CFLAGS) asa.c
+
+basename.o: basename.c basename/basename.c
+	$(CC) -c $(CFLAGS) basename.c
+
+bc.o: bc.c bc/bc.c
+	$(CC) -c $(CFLAGS) bc.c
+
+cal.o: cal.c cal/cal.c
+	$(CC) -c $(CFLAGS) cal.c
+
+cat.o: cat.c cat/cat.c
+	$(CC) -c $(CFLAGS) cat.c
+
+chgrp.o: chgrp.c chgrp/chgrp.c
+	$(CC) -c $(CFLAGS) chgrp.c
+
+chmod.o: chmod.c chmod/chmod.c
+	$(CC) -c $(CFLAGS) chmod.c
+
+chown.o: chown.c chown/chown.c
+	$(CC) -c $(CFLAGS) chown.c
+
+cksum.o: cksum.c cksum/cksum.c
+	$(CC) -c $(CFLAGS) cksum.c
+
+cmp.o: cmp.c cmp/cmp.c
+	$(CC) -c $(CFLAGS) cmp.c
+
+cp.o: cp.c cp/cp.c
+	$(CC) -c $(CFLAGS) cp.c
+
+crontab.o: crontab.c crontab/crontab.c
+	$(CC) -c $(CFLAGS) crontab.c
+
+ctags.o: ctags.c ctags/ctags.c
+	$(CC) -c $(CFLAGS) ctags.c
+
+date.o: date.c date/date.c
+	$(CC) -c $(CFLAGS) date.c
+
+dd.o: dd.c dd/dd.c
+	$(CC) -c $(CFLAGS) dd.c
+
+dirname.o: dirname.c dirname/dirname.c
+	$(CC) -c $(CFLAGS) dirname.c
+
+du.o: du.c du/du.c
+	$(CC) -c $(CFLAGS) du.c
+
+ed.o: ed.c ed/ed.c ed/commands.c ed/env.c ed/input.c ed/io.c ed/re.c ed/signals.c ed/stubs.c
+	$(CC) -c $(CFLAGS) ed.c
+
+env.o: env.c env/env.c
+	$(CC) -c $(CFLAGS) env.c
+
+ex.o: ex.c ex/ex.c
+	$(CC) -c $(CFLAGS) ex.c
+
+expand.o: expand.c expand/expand.c
+	$(CC) -c $(CFLAGS) expand.c
+
+file.o: file.c file/file.c file/magic.c
+	$(CC) -c $(CFLAGS) file.c
+
+getconf.o: getconf.c getconf/getconf.c
+	$(CC) -c $(CFLAGS) getconf.c
+
+grep.o: grep.c grep/grep.c
+	$(CC) -c $(CFLAGS) grep.c
+
+head.o: head.c head/head.c
+	$(CC) -c $(CFLAGS) head.c
+
+iconv.o: iconv.c iconv/iconv.c
+	$(CC) -c $(CFLAGS) iconv.c
+
+id.o: id.c id/id.c
+	$(CC) -c $(CFLAGS) id.c
+
+link.o: link.c link/link.c
+	$(CC) -c $(CFLAGS) link.c
+
+ln.o: ln.c ln/ln.c
+	$(CC) -c $(CFLAGS) ln.c
+
+locale.o: locale.c locale/locale.c
+	$(CC) -c $(CFLAGS) locale.c
+
+logger.o: logger.c logger/logger.c
+	$(CC) -c $(CFLAGS) logger.c
+
+logname.o: logname.c logname/logname.c
+	$(CC) -c $(CFLAGS) logname.c
+
+ls.o: ls.c ls/ls.c
+	$(CC) -c $(CFLAGS) ls.c
+
+mkdir.o: mkdir.c mkdir/mkdir.c
+	$(CC) -c $(CFLAGS) mkdir.c
+
+mkfifo.o: mkfifo.c mkfifo/mkfifo.c
+	$(CC) -c $(CFLAGS) mkfifo.c
+
+more.o: more.c more/more.c
+	$(CC) -c $(CFLAGS) more.c
+
+nice.o: nice.c nice/nice.c
+	$(CC) -c $(CFLAGS) nice.c
+
+nohup.o: nohup.c nohup/nohup.c
+	$(CC) -c $(CFLAGS) nohup.c
+
+od.o: od.c od/od.c
+	$(CC) -c $(CFLAGS) od.c
+
+paste.o: paste.c paste/paste.c
+	$(CC) -c $(CFLAGS) paste.c
+
+pathchk.o: pathchk.c pathchk/pathchk.c
+	$(CC) -c $(CFLAGS) pathchk.c
+
+printf.o: printf.c printf/printf.c
+	$(CC) -c $(CFLAGS) printf.c
+
+renice.o: renice.c renice/renice.c
+	$(CC) -c $(CFLAGS) renice.c
+
+rm.o: rm.c rm/rm.c
+	$(CC) -c $(CFLAGS) rm.c
+
+rmdir.o: rmdir.c rmdir/rmdir.c
+	$(CC) -c $(CFLAGS) rmdir.c
+
+sh.o: sh.c mains.h builtins.h sh/alias.c sh/bg.c sh/builtins.c sh/cd.c sh/command.c sh/dot.c sh/eval.c sh/exec.c sh/exit.c sh/export.c sh/false.c sh/fc.c sh/fg.c sh/getopts.c sh/hash.c sh/init.c sh/interactive.c sh/jobs.c sh/kill.c sh/main.c sh/newgrp.c sh/parse.c sh/pwd.c sh/read.c sh/readonly.c sh/set.c sh/sh.tab.c sh/sh.yy.c sh/shift.c sh/times.c sh/trap.c sh/true.c sh/type.c sh/ulimit.c sh/umask.c sh/unset.c sh/wait.c
+	$(CC) -c $(CFLAGS) sh.c
+
+sleep.o: sleep.c sleep/sleep.c
+	$(CC) -c $(CFLAGS) sleep.c
+
+split.o: split.c split/split.c
+	$(CC) -c $(CFLAGS) split.c
+
+strings.o: strings.c strings/strings.c
+	$(CC) -c $(CFLAGS) strings.c
+
+stty.o: stty.c stty/stty.c
+	$(CC) -c $(CFLAGS) stty.c
+
+sum.o: sum.c sum/sum.c
+	$(CC) -c $(CFLAGS) sum.c
+
+tail.o: tail.c tail/tail.c
+	$(CC) -c $(CFLAGS) tail.c
+
+tee.o: tee.c tee/tee.c
+	$(CC) -c $(CFLAGS) tee.c
+
+tput.o: tput.c tput/tput.c
+	$(CC) -c $(CFLAGS) tput.c
+
+tr.o: tr.c tr/tr.c
+	$(CC) -c $(CFLAGS) tr.c
+
+uname.o: uname.c uname/uname.c
+	$(CC) -c $(CFLAGS) uname.c
+
+unlink.o: unlink.c unlink/unlink.c
+	$(CC) -c $(CFLAGS) unlink.c
+
+uudecode.o: uudecode.c uudecode/uudecode.c
+	$(CC) -c $(CFLAGS) uudecode.c
+
+uuencode.o: uuencode.c uuencode/uuencode.c
+	$(CC) -c $(CFLAGS) uuencode.c
+
+wc.o: wc.c wc/wc.c
+	$(CC) -c $(CFLAGS) wc.c
+
+who.o: who.c who/who.c
+	$(CC) -c $(CFLAGS) who.c
+
+write.o: write.c write/write.c
+	$(CC) -c $(CFLAGS) write.c
+
diff --git a/src/.objs.mk b/src/.objs.mk
new file mode 100644
index 0000000..fe56984
--- /dev/null
+++ b/src/.objs.mk
@@ -0,0 +1,66 @@
+.POSIX:
+
+OBJS=\
+	ar.o\
+	asa.o\
+	basename.o\
+	bc.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
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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