[Buildroot] [PATCH v3] qt5base: Qt KMS support does not depend on opengl

[Peter Korsgaard]

>>>>> "Arnout" == Arnout Vandecappelle <arnout at mind.be> writes:

 > On 13/02/2018 16:46, Joshua Henderson wrote:
 >> Qt KMS support should not explicitly depend on the availability of opengl.
 >> Don't explicitly disable KMS if opengl is not available and fallback to
 >> detecting if libdrm is available before disabling kms.
 >> 
 >> The scenario where this is necessary involves using the Qt linuxfb backend
 >> "dumb buffer" support via the DRM API. This is new in Qt 5.9 [1] and only
 >> requires KMS, but not opengl.

 >  This sounds like we should handle the Qt 5.6 case specially.

 >  However, on Qt 5.6, it builds fine with the -kms option, it just ends up not
 > being used. That means we have a redundant dependency on libdrm, but that
 > doesn't matter that much. Handling the Qt 5.6 case differently would make the
 > code quite a bit more complicated.

 >  Therefore, I explained the above in the commit log an applied to master, thanks.

 >  Sorry it took so long.

Committed to 2018.02.x and 2018.08.x with the extended commit message,
thanks.

-- 
Bye, Peter Korsgaard