[vlc-devel] [PATCH] build: disable non-PIC assembly when building for Android.

[Vittorio Giovara]

On Sat, Dec 5, 2015 at 11:38 AM, Diego Elio PettenÃ
<flameeyes at flameeyes.eu> wrote:
> From: Diego Elio Pettenà <flameeyes at flameeyes.eu>
>
> This disables MMX/MMXEXT code for ffmpeg/postproc, and all assembly for mpg123 and libass.
>
> It has performance implications but it avoids all TEXTRELs in the output, which makes it possible to use W^X techniques.

Mind explaining what these techniques are and why they are good?
-- 
Vittorio