[Buildroot] [PATCH 1/1] package/mesa3d-demos: fix glx-detection without glvnd

[Yann E. MORIN]

Bernd, All,

On 2023-07-12 19:13 +0200, Bernd Kuhls spake thusly:
> Fixes:
> https://gitlab.com/buildroot.org/buildroot/-/jobs/4621046326
> 
> Signed-off-by: Bernd Kuhls <bernd at kuhls.net>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  ...eson-fix-glx-detection-without-glvnd.patch | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 package/mesa3d-demos/0002-meson-fix-glx-detection-without-glvnd.patch
> 
> diff --git a/package/mesa3d-demos/0002-meson-fix-glx-detection-without-glvnd.patch b/package/mesa3d-demos/0002-meson-fix-glx-detection-without-glvnd.patch
> new file mode 100644
> index 0000000000..37a60efdd7
> --- /dev/null
> +++ b/package/mesa3d-demos/0002-meson-fix-glx-detection-without-glvnd.patch
> @@ -0,0 +1,47 @@
> +From e16117fc92688d76a042ad2c590c77d5a987a4ac Mon Sep 17 00:00:00 2001
> +From: Erik Faye-Lund <erik.faye-lund at collabora.com>
> +Date: Fri, 24 Mar 2023 13:31:58 +0100
> +Subject: [PATCH] meson: fix glx-detection without glvnd
> +
> +When build without GLVND, Mesa provides GLX as a part of libGL, just
> +like XQuartz does on MacOS. There's nothing really macOS specific about
> +this fallback, so let's drop the condition.
> +
> +And just for good measure, let's add in dep_gl as a dependency for
> +the header-check here, in case some one decides to install libGL outside
> +of the default include directory.
> +
> +Fixes: 34300551 ("meson: explicitly check for glx dependency")
> +Closes: https://gitlab.freedesktop.org/mesa/demos/-/issues/36
> +Reviewed-by: Hoe Hao Cheng <haochengho12907 at gmail.com>
> +
> +Upstream: https://gitlab.freedesktop.org/mesa/demos/-/commit/e16117fc92688d76a042ad2c590c77d5a987a4ac
> +
> +Signed-off-by: Bernd Kuhls <bernd at kuhls.net>
> +---
> + meson.build | 9 +++++----
> + 1 file changed, 5 insertions(+), 4 deletions(-)
> +
> +diff --git a/meson.build b/meson.build
> +index c1853f94..bc3278e1 100644
> +--- a/meson.build
> ++++ b/meson.build
> +@@ -99,10 +99,11 @@ if not dep_glu.found() and host_machine.system() != 'darwin'
> + endif
> + 
> + dep_glx = dependency('glx', required: false, disabler : true)
> +-if not dep_glx.found() and host_machine.system() == 'darwin'
> +-  # xquartz doesn't have a glx.pc, but it does have the header. And all the
> +-  # symbols reside in libGL, so let's just use that.
> +-  if cc.check_header('GL/glx.h', dependencies: dep_x11)
> ++if not dep_glx.found()
> ++  # Both Mesa build without GLVND and XQuartz lacks a glx.pc, but does
> ++  # provide the header. And all the symbols reside in libGL, so let's
> ++  # just use that.
> ++  if cc.check_header('GL/glx.h', dependencies: [dep_x11, dep_gl])
> +     dep_glx = dep_gl
> +   endif
> + endif
> +-- 
> +GitLab
> +
> -- 
> 2.39.2
> 
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