Problems building gstreamer-plugins-base v1.14 with yocto

[Nicolas Dufresne]

Le vendredi 27 juillet 2018 à 13:26 +0200, Norbert Wesp a écrit :
> Hi everybody,
> 
> this week I had a problem to build our image with gstreamer.
> 
> Since we use 'meta-gstreamer1.0' instead of our layer, the installed 
> version of gstreamer changed from v1.12 to v1.14. Within gstreamer v1.14 
> gbm is supported by gstreamer1.0-plugins-base_1.14 and will break our 
> build process. Furthermore I get an error because 
> 'EGL_PLATFORM_GBM_MESA' is undefined in 
> 'gst-libs/gst/gl/egl/gstgldisplay_egl.c'.
> Note:    This only effect builds with an am335x processor. All builds 
> with an imx6 does build successfully.
> 
> Here is a little snipped of the output, I get from yocto:
> > In file included from 

At first sight, this change looks correct. Would you mind creating a
bugzilla issue and attaching your "git format-path" patch so someone
could code review and test ?

> 
> ../../../../../gst-plugins-base-1.14.1/gst-libs/gst/gl/egl/gstglcontext_egl.c:55:0:
> > 
> 
> ../../../../../gst-plugins-base-1.14.1/gst-libs/gst/gl/egl/../gbm/gstglwindow_gbm_egl.h:24:10: 
> fatal error: gbm.h: No such file or directory
> >   #include <gbm.h>
> >            ^~~~~~~
> > compilation terminated.
> 
> Here is what I changed:
> file:    /gst-libs/gst/gl/egl/gstgldisplay_egl.c
> changes:
>     #ifndef EGL_PLATFORM_WAYLAND
>     #define EGL_PLATFORM_WAYLAND 0x31D8
>     #endif
> +#ifndef EGL_PLATFORM_GBM_MESA
> +#define EGL_PLATFORM_GBM_MESA 0x31D7
> +#endif
>     #ifndef EGL_PLATFORM_ANDROID
>     #define EGL_PLATFORM_ANDROID 0x3141
>     #endif
> 
> file:    /gst-libs/gst/gl/Makefile.am
> changes:
> @@ -155,12 +155,14 @@ libgstgl_ at GST_API_VERSION@_la_CFLAGS = \
>           $(GST_PLUGINS_BASE_CFLAGS) \
>           $(GST_BASE_CFLAGS) \
>           $(GST_CFLAGS) \
> -        $(GL_CFLAGS)
> +       $(GL_CFLAGS) \
> +       $(GBM_CFLAGS)
> 
>   libgstgl_ at GST_API_VERSION@_la_LDFLAGS = \
>           $(GST_LIB_LDFLAGS) \
>           $(GST_ALL_LDFLAGS) \
> -        $(GST_LT_LDFLAGS)
> +       $(GST_LT_LDFLAGS) \
> +       $(GBM_LDFLAGS)
> 
> file:    gst-libs/gst/gl/egl/Makefile.am
> changes:
> @@ -23,10 +23,12 @@ libgstgl_egl_la_CFLAGS = \
>          -I$(top_srcdir)/gst-libs \
>          -I$(top_builddir)/gst-libs \
>           $(GL_CFLAGS) \
> +       $(GBM_CFLAGS) \
>           $(GST_PLUGINS_BASE_CFLAGS) \
>           $(GST_BASE_CFLAGS) \
>           $(GST_CFLAGS)
> 
>   libgstgl_egl_la_LDFLAGS = \
>           $(GST_LIB_LDFLAGS) \
> +       $(GBM_LDFLAGS) \
>           $(GST_ALL_LDFLAGS)
> 
> With this changes I was able to build a complete image without WARNINGs 
> or ERRORs.
> 
> So my questions are:
> 1. Did I found a bug or is there some issue in our configuration?
> 2. Is way I fixed this issue okay, or should I do it another way?
> 
> Thanks and greez
> N.Wesp
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