manpages/wscript

def build(bld):
    if not bld.env['SPHINX_BUILD']:
        return
    bld(features='sphinx',
        builder='man',
        outdir='.',
        config='./conf.py',
        source=bld.path.ant_glob('*.rst'),
        install_path='${MANDIR}/',
        VERSION=bld.env['VERSION'])