[Buildroot] [PATCH 1/1] qemu: disable opengl

[Thomas Petazzoni]

Hello,

On Sat, 10 Nov 2018 21:51:41 +0100, Fabrice Fontaine wrote:
> Since version 0.15.0, qemu has an optional dependency to opengl:
> https://github.com/qemu/qemu/commit/20ff075bb3340c5278a0da38ad1f4d602565aa06
> 
> Since version 2.4, libepoxy is also needed to enable opengl:
> https://github.com/qemu/qemu/commit/dcf30025c3e3d43140a687240433de1920adf8b0
> 
> As a result if libepoxy is built before qemu, opengl support will be
> detected (see config.log):
> OpenGL support    yes
> OpenGL dmabufs    yes
> 
> This will raise the failures in milkymist-tmu2:
> hw/display/milkymist-tmu2.c:35:22: fatal error: X11/Xlib.h: No such file or directory
> 
> or in sdl2:
>   CC      /home/peko/autobuild/instance-0/output/targetui/sdl2-2d.o
> In file included from /home/peko/autobuild/instance-0/output/build/qemu-2.12.1/include/ui/egl-context.h:5:0,
>                  from ui/egl-context.c:3:
> /home/peko/autobuild/instance-0/output/build/qemu-2.12.1/include/ui/egl-helpers.h:45:55: error: unknown type name 'Window'; did you mean 'minor'?
> 
> or in translate-a64:
> /accts/mlweber1/scripts/instance-3/output/build/qemu-2.12.1/target/arm/translate-a64.c: In function 'handle_shri_with_rndacc':
> /accts/mlweber1/scripts/instance-3/output/build/qemu-2.12.1/target/arm/translate-a64.c:7000:28: warning: 'tcg_src_hi' may be used uninitialized in this function [-Wmaybe-uninitialized]
>              tcg_gen_mov_i64(tcg_src, tcg_src_hi);
>                             ^
> ../ui/gtk-egl.o: In function `gd_egl_init':
> /accts/mlweber1/scripts/instance-3/output/build/qemu-2.12.1/ui/gtk-egl.c:52: undefined reference to `gdk_x11_window_get_xid'
> 
> So, for the time being, disable opengl as done in xen since commit
> 13c6754f3c1d2a14516f641490e9dd6f4c183d7c.
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/656e45721c72197834462eb2bd8c762e520725a4
>  - http://autobuild.buildroot.org/results/d4736a930144fc5e25b377bc1c0baf44fbf8718d
>  - http://autobuild.buildroot.org/results/50e0d7d1b4f5c2b827b50bb82d8fbc066bf31118
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> ---
>  package/qemu/qemu.mk | 1 +
>  1 file changed, 1 insertion(+)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com