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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Patches and discussions about the oe-core layer
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Date: Sat, 15 Oct 2011 18:02:47 +0100
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Subject: Re: [PATCH] mesa-dri: move extra DRIMODULES to EXTRA_DRIMODULES
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On Sat, 2011-10-15 at 12:38 +0200, Martin Jansa wrote:
> * this way we can use
>   EXTRA_DRIDRIVERS_armv4t += ",glamo" in meta-openmoko layer and
>   EXTRA_DRIDRIVERS_armv4t += ",foo" in meta-bar layer without knowledge
>   of other modules in other layers in stack
> * actually it's like old MACHINE_DRI_MODULES from OE-classic but renamed
>   to indicate that it should be used for architecture not machine

This is way overcomplicated. Just do:

DRIDRIVERS_append_armv4t = ",glamo"

With the other approach you should be using .= to avoid spaces anyway.

Cheers,

Richard