glamor with xv

Signed-off-by: Stanisław Halik <sthalik@misaki.pl>
pypy that doesn't ENOMEM on install

Signed-off-by: Stanisław Halik <sthalik@misaki.pl>
clang with libcxx{,-rt}

Signed-off-by: Stanisław Halik <sthalik@misaki.pl>