[yocto] bbappends for MESA

[Chris Tapp]

On 17 Sep 2012, at 09:29, Burton, Ross wrote:

> On 17 September 2012 09:09, Chris Tapp <opensource at keylevel.com> wrote:
>> I want to enable glut in mesa from within a layer so I can run with an unmodified brach (e.g Denzil). All I need to do is:
>> 
>> 1) Add the SRC_URI to mesa-7.11.inc;
>> 2) Add a couple of LIB_DEPS, add a couple of packages and modify EXTRA_OECONF (it has --disable-glut) in mesa-common.inc
>> 
>> Can I do this using .bbappend files? I can see a couple of issues:
>> 
>> 1) The SRC_URI checksum currently in mesa-7.11.inc doesn't specify a filename. I suspect this isn't going to work too well if I add a specific for the glut download. Or will the generic checksum still match against the existing (non-named) file?
>> 
>> 2) How do I modify EXTRA_OECONF to change the --disable-glut in mesa-common to --enable-glut?
> 
> GLUT isn't part of Mesa since 6.4 (released 2005), and Mesa recommend
> to use freeglut:
> 
> "2.3 Where is the GLUT library?
> 
> GLUT (OpenGL Utility Toolkit) is no longer in the separate
> MesaGLUT-x.y.z.tar.gz file. If you don't already have GLUT installed,
> you should grab freeglut."

Will, it's still there for 7.11 as that's what I've been building ;-) However, it certainly looks to have gone in 8.x, so thank's for the heads-up !

> Freeglut can be build standalone and won't need any bbappends.


Yes, that works perfectly. Thanks again.

Chris Tapp

opensource at keylevel.com
www.keylevel.com