[PATCH v2] build system: allow users to select the optimization mode

[Bernhard Reutner-Fischer]

On 15 April 2015 at 13:43, Bartosz Golaszewski <bartekgola at gmail.com> wrote:
> In some scenarios busybox performance may be prefered over its
> small size.
>
> Allow users to select the compiler optimization level by adding
> appropriate config options.

OPTIMIZE_SPEED would suggest it uses Ofast, IMHO.

Use of "else if" in make would bump the minimum required make version to 3.81
whereas we currently (IIRC) build fine with 3.80.

thanks,