This is now provided by slapgrid-sr itself. There's no need to compile
it for the software (since it's not possible to compile it as non-root).

This is required in order to compile lxc.

This is needed in order to compile libcap2 which is required by LXC.

https://github.com/hexagonit/hexagonit.recipe.download/commit/9eeede0b231fc44757be9cb54eed7f245fc7ede4
https://github.com/hexagonit/hexagonit.recipe.download/commit/e2985968d0fbe5672183d04478bb0fe9b641a351

Never commit to master.

(cherry picked from commit c0180cf9)

(cherry picked from commit bd8ac231)

(cherry picked from commit af187032)

Never commit to master.