[OE-core] [PATCH] glew: build for EGL in non-X11 distros

[Andre McCurdy]

On Tue, Dec 20, 2016 at 2:23 AM, Burton, Ross <ross.burton at intel.com> wrote:
>
> On 18 December 2016 at 17:02, Andre McCurdy <armccurdy at gmail.com> wrote:
>>
>> The glew 2.0.0 release added support for building for EGL:
>>
>>   http://glew.sourceforge.net/log.html
>>
>> Add PACKAGECONFIG options for 'opengl' (ie the previous default, with
>> dependencies on opengl and X11) and 'egl', which depends on EGL only
>> and allows glew to be built for non-X11 distros.
>
> This failed on the nightly-no-x11 build on the AB:
>
> tmp/linux-egl/default/shared/visualinfo.o: In function `main':
> /usr/src/debug/glew/2.0.0-r0/glew-2.0.0/src/visualinfo.c:177: undefined
> reference to `glGetString'
> /usr/src/debug/glew/2.0.0-r0/glew-2.0.0/src/visualinfo.c:178: undefined
> reference to `glGetString'
> /usr/src/debug/glew/2.0.0-r0/glew-2.0.0/src/visualinfo.c:179: undefined
> reference to `glGetString'
> /usr/src/debug/glew/2.0.0-r0/glew-2.0.0/src/visualinfo.c:181: undefined
> reference to `glGetString'
> collect2: error: ld returned 1 exit status
>
> (which is DISTRO=poky, DISTRO_FEATURES_remove=x11)

Sorry about that. I was testing against an embedded 3D driver which
blurs the lines a little between libEGL and libGLESv2. With mesa
LDFLAGS needs to explicitly include either libGL, libGLESv1, libGLESv2
or libGLESv3. I'll send a v2 patch which adds PACKAGECONFIG options
for each case.