This updates glibc to version 2.38.
Add --enable-crypt since the crypt function got disabled in 2.38, but we
still need it.
Also add the newly introduced --enable-fortify-source flag and hook it up
to the build system.
Switch to .zst archive while at it.
Signed-off-by: Kazuki H <kazukih0205@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/14259
[ switch to .zst and fix mirror HASH ]
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>