def build(ctx):
    util = [	'sht',
		'digest-find', 'digest-timing', 'clocks', "random",
		'backwards']

    for name in util:
        ctx(
            target=name,
            features="c cprogram",
            includes=[ctx.bldnode.parent.abspath(), "../include"],
            source=[name + ".c"],
            use="ntp M CRYPTO RT PTHREAD",
            install_path=None,
        )
