[Buildroot] [PATCH v1] qt5multimedia: fix plugins videonode egl x11 header related compile failure
Peter Seiderer
ps.report at gmx.net
Wed Jul 5 19:53:19 UTC 2017
Hello Thomas,
On Sun, 2 Jul 2017 23:14:49 +0200, Thomas Petazzoni <thomas.petazzoni at free-electrons.com> wrote:
> Hello,
>
> On Sun, 2 Jul 2017 21:01:27 +0200, Peter Seiderer wrote:
>
> > Same fixing pattern as for qt5base (and for qtbase accepted upstream, see e.g. [1]),
>
> Well, [1] is about adding QT_EGL_NO_X11, which is a QT definition. It
> is very different from MESA_EGL_NO_X11_HEADERS, which is an
> OpenGL-level definition.
>
> > but in general your are right, honor the given provider provided flags would be
> > the better solution...maybe something as suggested on the yocto meta-freescale
> > mailing list will work, see [2], [3]: 'egl.prf: Fix build error when egl headers
> > need platform definition'?
And two links to the upstream suggestion/discussion:
- QTBUG-61712: qtbase: A build error was occurring due to missing EGL configuration
https://bugreports.qt.io/browse/QTBUG-61712
- Patch: qtbase: Fix build error when using EGL
https://codereview.qt-project.org/#/c/198906/
Regards,
Peter
>
> I'm not sure I fully understand those patches, but apparently they use
> more pkg-config flags from OpenGL, which is exactly the approach I
> suggest to investigate indeed.
>
> BTW, the same thing should be done for Qt instead of
> package/qt/0012-OpenGL-EGL-Avoid-X11-header-collision.patch.
>
> Best regards,
>
> Thomas
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