[yocto] [meta-raspberrypi] Purpose of vc-graphics-hardfp.bb & vc-graphics.bb unclear

[Felix01 Fischer]

Hello all,

my ongoing struggle to get qt5 working on the raspberrypi led me to a 
question unrelated to qt5.

why do vc-graphics-hardfp.bb & vc-graphics.bb exist? [1]
There is no recipe which uses on of this files.
If I add one of them to my image via IMAGE_INSTALL_append I get errors 
that userland.git and vc-grapics-hardfp both provide virtual/egl and 
virtual/libgles2.
(Which they obviously do.) [2]

My question is: What is the reason for having userland_git.bb & 
vc-graphics.bb/vc-graphics-hardfp ?

Two things are notable, IMHO:

vc-graphics.inc has two files specified.
One packageconfig (.pc) file with the right includes. I had to add one 
library manually in order to get qt5 compiling
and the other one is a startup script for initalising the videocore.

Are these two files deprecated by now? The last change to a file in the 
vc-graphics folder has been made 2013-08-21 
Or do I need at least the initscript to get the videocore working?

Regards,

Felix Fischer

[1] 
http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/tree/recipes-bcm/vc-graphics/
[2] 
http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/tree/recipes-graphics/userland/userland_git.bb




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