# Build Emacs with various options for profiling, debugging,
# with and without warnings enabled etc.
-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
+# Copyright (C) 2001-2016 Free Software Foundation, Inc.
# This file is part of GNU Emacs.
require 5;
+use strict;
+use warnings;
use Getopt::Long;
use File::Basename;
use Cwd;
chdir "./src";
print "Build in ", cwd (), "\n";
-# If first arg is `all' or if `--all' specified, ensure a clean
+# If first arg is 'all' or if '--all' specified, ensure a clean
# build.
if (@ARGV && $ARGV[0] eq "all")