[OE-core] [PATCH v2 1/2] mesa: Avoid platform probing when building without EGL

[Andrea Galbusera]

Hi!

On Mon, Jul 3, 2017 at 10:02 PM, Otavio Salvador <otavio at ossystems.com.br>
wrote:

> The 17.1.2 release has changed the platform setting and when not
> explicitly disabled it assumes x11 support.
>
> Fixes:
>
> | checking for x11-xcb xcb xcb-dri2 >= 1.8 xcb-xfixes... no
> | configure: error: Package requirements (x11-xcb xcb xcb-dri2 >= 1.8
> xcb-xfixes) were not met:
> |
> | No package 'x11-xcb' found
> | No package 'xcb' found
> | No package 'xcb-dri2' found
> | No package 'xcb-xfixes' found
> |
> | Consider adjusting the PKG_CONFIG_PATH environment variable if you
> | installed software in a non-standard prefix.
> |
> | Alternatively, you may set the environment variables XCB_DRI2_CFLAGS
> | and XCB_DRI2_LIBS to avoid the need to call pkg-config.
> | See the pkg-config man page for more details.
>
> The issue has been exposed by meta-freescale BSP. Fix tested with
> imx6qsabresd machine.
>
> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
> ---
>
> Changes in v2:
> - new patch
>
>  meta/recipes-graphics/mesa/mesa.inc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta/recipes-graphics/mesa/mesa.inc
> b/meta/recipes-graphics/mesa/mesa.inc
> index 41747cffc8..a12ab7ab5b 100644
> --- a/meta/recipes-graphics/mesa/mesa.inc
> +++ b/meta/recipes-graphics/mesa/mesa.inc
> @@ -49,7 +49,7 @@ PACKAGECONFIG[gles] = "--enable-gles1 --enable-gles2,
> --disable-gles1 --disable-
>  EGL_PLATFORMS  = "drm"
>  EGL_PLATFORMS .="${@bb.utils.contains('PACKAGECONFIG', 'x11', ',x11',
> '', d)}"
>  EGL_PLATFORMS .="${@bb.utils.contains('PACKAGECONFIG', 'wayland',
> ',wayland', '', d)}"
> -PACKAGECONFIG[egl] = "--enable-egl --with-platforms=${EGL_PLATFORMS},
> --disable-egl"
> +PACKAGECONFIG[egl] = "--enable-egl --with-platforms=${EGL_PLATFORMS},
> --disable-egl --with-platforms=''"
>
>  PACKAGECONFIG[etnaviv] = ""
>  PACKAGECONFIG[imx] = ""
> --
> 2.13.2
>
> --
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>


After merging this patch (as per current poky master), builds for
MACHINE=raspberrypi3 with meta-raspberrypi fail complaining like this:

| checking for x11 xext xdamage >= 1.1 xfixes x11-xcb xcb xcb-glx >= 1.8.1
xcb-dri2 >= 1.8 xxf86vm... yes
| checking for wayland-scanner... no
| configure: error: Building without the x11 platform as GLX is enabled, is
not supported
| NOTE: The following config.log files may provide further information.
| NOTE:
/home/gizero/work/smartliving/distro/repo-master/build-poky/tmp/work/cortexa7hf-neon-vfpv4-poky-linux-gnueabi/mesa-gl/2_17.1.4-r0/build/config.log
| ERROR: configure failed
| WARNING: exit code 1 from a shell command.
| ERROR: Function failed: do_configure (log file is located at
/home/gizero/work/smartliving/distro/repo-master/build-poky/tmp/work/cortexa7hf-neon-vfpv4-poky-linux-gnueabi/mesa-gl/2_17.
1.4-r0/temp/log.do_configure.11176)

I know very little about graphical stacks since I use these systems mostly
headless. Can anyone have a look into it? BTW, without this only commit,
the build runs to the end with no other errors.
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