mklib

#! /bin/sh
ROOT="$PWD"
cd src || exit
test 1 -eq $# || { echo >&2 "Usage: $0 lib"; exit 100; }
case x"$1" in
	(*/*|*.*)
		echo >&2 "Usage: $0 lib9	# or any other library"
		exit 100
		;;
esac
cd "$1" || exit

outdated() {
	obj="${1%.c}.o"
	test -s "$obj" || return 0
	test "$obj" -nt "$1" || return 0
	for t in *.h */*.h ; do
		test -e "$t" || continue
		test  "$t" -nt "$obj" && return 0
		# important: depend on CFLAGS!
		test "$ROOT"/compile -nt "$obj" && return 0
	done
	return 1	# false
}

for f in *.c */*.c ; do
	test -e "$f" || continue
	outdated "$f" || continue
	"$ROOT"/c2o "$ROOT"/compile "$f" -I"$ROOT"/include || exit
done
/bin/rm -f "$1.a"
for f in */*.o ; do
	test -e "$f" && exec "$ROOT"/ar cru "$1.a" *.o */*.o
done
exec "$ROOT"/ar cru "$1.a" *.o	# no subdirectories