Switching to git tags means we don't get pre-generated configure
scripts. Thusly, run bootstrap ourselves.
For https://github.com/NixOS/nixpkgs/issues/21289
For CVE-2016-8863 (remote code execution)
The following parameters are now available:
* hardeningDisable
To disable specific hardening flags
* hardeningEnable
To enable specific hardening flags
Only the cc-wrapper supports this right now, but these may be reused by
other wrappers, builders or setup hooks.
cc-wrapper supports the following flags:
* fortify
* stackprotector
* pie (disabled by default)
* pic
* strictoverflow
* format
* relro
* bindnow
