[PATCH] Allow to set optimization level during configure.

[Chris Johns]

> On 2 Oct 2017, at 6:57 pm, Christian Mauderer <christian.mauderer at embedded-brains.de> wrote:
> 
> From: Christian Mauderer <Christian.Mauderer at embedded-brains.de>
> 
> This allows to set the optimization level for libbsd via a configure
> switch. Useful for building with for example no optimization during
> debug or with size optimization for space restricted targets.

+1

Chris