[Interest] Qt 5.8 failed to build on Windows: EGL/egl.h: No such file or directory

[Émeric MASCHINO]

While pablo [1] didn't help, using headers from the AMD OpenGL ES SDK
kit [2] allowed me to successfully build Qt 5.8.0 alpha on Windows.
Still I don't know if (i) requiring external headers is expected and
(ii) whether it's the right way to go with this problem or not (I
didn't check successful creation of an EGL context). BTW, I'm running
NVIDIA hardware.

     Émeric


[1] http://pablo.khronos.org/
[2] http://developer.amd.com/tools-and-sdks/graphics-development/amd-opengl-es-sdk/

2016-08-16 17:41 GMT+02:00 Émeric MASCHINO <emeric.maschino at gmail.com>:
> Hi,
>
> Does anybody had success building Qt 5.8.0-alpha latest snapshot [1] on Windows?
> Following advice in [2], I've configured my build with:
>
> c:\qt\qt5.8.0\configure -opengl dynamic
>
> However, I'm getting compilation errors in various modules because of
> missing EGL/egl.h header, such as:
>
> c:\qt\qt5.8.0\qtmultimedia\src\plugins\common\evr\evrd3dpresentengine.h(49):
> fatal error C1083: Impossible d'ouvrir le fichier include :
> 'EGL/egl.h' : No such file or directory
>
> Changing OpenGL configuration from dynamic (configure -opengl dynamic)
> to desktop (configure -opengl desktop) didn't help.
>
> I've tried to use pablo [3] to overcome this problem, but the build
> process then fails later on (undefined EGL function I don't remember
> of).
>
> What am I missing here?
>
> Thanks,
>
>      Émeric
>
>
> [1] http://download.qt.io/snapshots/qt/5.8/5.8.0-alpha/latest_src/qt-everywhere-opensource-src-5.8.0-alpha.zip
> [2] https://doc-snapshots.qt.io/qt5-dev/windows-requirements.html#graphics-drivers
> [3] http://pablo.khronos.org/