def mesa_populate_packages(d):
    pkgs = ['mesa', 'mesa-dev', 'mesa-dbg']
    for pkg in pkgs:
        d.setVar("RPROVIDES:%s" % pkg, pkg.replace("mesa", "mesa-dri", 1))
        d.setVar("RCONFLICTS:%s" % pkg, pkg.replace("mesa", "mesa-dri", 1))
        d.setVar("RREPLACES:%s" % pkg, pkg.replace("mesa", "mesa-dri", 1))

    import re
    dri_drivers_root = oe.path.join(d.getVar('PKGD'), d.getVar('libdir'), "dri")
    if os.path.isdir(dri_drivers_root):
        dri_pkgs = sorted(os.listdir(dri_drivers_root))
        lib_name = d.expand("${MLPREFIX}mesa-megadriver")
        for p in dri_pkgs:
            m = re.match(r'^(.*)_dri\.so$', p)
            if m:
                pkg_name = " ${MLPREFIX}mesa-driver-%s" % legitimize_package_name(m.group(1))
                d.appendVar("RPROVIDES:%s" % lib_name, pkg_name)
                d.appendVar("RCONFLICTS:%s" % lib_name, pkg_name)
                d.appendVar("RREPLACES:%s" % lib_name, pkg_name)

mesa_populate_packages(d)

def legitimize_package_name(s):
    return oe.package.legitimize_package_name(s)