[Pixman] [PATCH 1/2] autotools: use custom build rule to build iwMMXt code

[Julien Cristau]

Hi Matt,

On Wed, May 30, 2012 at 16:46:38 -0400, Matt Turner wrote:

> gcc has no sane way of enabling iwmmxt code generation, like -msse for
> SSE, so you have to use -march=iwmmxt{,2}. User CFLAGS are placed after
> -march=iwmmxt and override the march value, so we have to use a custom
> build rule to order the CFLAGS such that pixman-mmx.c will be built with
> the necessary CFLAGS.
> ---
>  configure.ac       |    2 +-
>  pixman/Makefile.am |   18 +++++++++++++-----
>  2 files changed, 14 insertions(+), 6 deletions(-)
> 
This custom rule seems to have dependency issues, see
https://buildd.debian.org/status/fetch.php?pkg=pixman&arch=armel&ver=0.30.0-1&stamp=1374857136

Cheers,
Julien