[Mesa-dev] [Nine] 'meson: add -Werror=empty-body to disallow `if(x); `' - 'broke' Nine

Timur Kristóf timur.kristof at gmail.com
Fri Oct 25 08:49:04 UTC 2019


Hi guys,

How is it possible that the CI didn't detect this problem?
Isn't there at least one build in the CI system which builds Nine?

I've created a MR to deal with it:
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2465

Best regards,
Tim


On Thu, 2019-10-24 at 23:31 +0200, Axel Davy wrote:
> Hi Dieter,
> 
> Maybe the best fix would be to change the definition of WARN and DBG 
> when DEBUG is disabled.
> 
> The definitions are in nine_debug.h
> 
> I haven't tried by maybe using "(void)" instead of nothing would work
> ?
> 
> Yours,
> 
> Axel
> 
> On 24/10/2019 16:34, Dieter Nützel wrote:
> > Hello Eric,
> > 
> > your mentioned commit (8d43e2b2ded0fe3c82d49561cdab9f208f9e64b6)
> > broke 
> > building with NIne (-Dgallium-nine=true) for me.
> > 
> > starting with
> > [-]
> > e_st at sta/cubetexture9.c.o' -c 
> > ../src/gallium/state_trackers/nine/cubetexture9.c
> > ../src/gallium/state_trackers/nine/cubetexture9.c: In function 
> > ‘NineCubeTexture9_ctor’:
> > ../src/gallium/state_trackers/nine/cubetexture9.c:108:43: error: 
> > suggest braces around empty body in an ‘if’ statement 
> > [-Werror=empty-body]
> >   108 |             "but this is unimplemented\n");
> >       |                                           ^
> > cc1: some warnings being treated as errors
> > 
> > -- 
> > Next
> > 
> > /surface9.c.o' -c ../src/gallium/state_trackers/nine/surface9.c
> > ../src/gallium/state_trackers/nine/surface9.c: In function 
> > ‘NineSurface9_GetContainer’:
> > ../src/gallium/state_trackers/nine/surface9.c:334:40: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >   334 |         DBG("QueryInterface FAILED!\n");
> >       |                                        ^
> > cc1: some warnings being treated as errors
> > 
> > -- 
> > 
> > @sta/swapchain9.c.o' -c
> > ../src/gallium/state_trackers/nine/swapchain9.c
> > ../src/gallium/state_trackers/nine/swapchain9.c: In function
> > ‘present’:
> > ../src/gallium/state_trackers/nine/swapchain9.c:737:51: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >   737 |             pSourceRect->top, pSourceRect->bottom);
> >       |                                                   ^
> > ../src/gallium/state_trackers/nine/swapchain9.c:741:47: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >   741 |             pDestRect->top, pDestRect->bottom);
> >       |                                               ^
> > cc1: some warnings being treated as errors
> > 
> > -- 
> > 
> > evice9.c.o' -c ../src/gallium/state_trackers/nine/device9.c
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘NineDevice9_ctor’:
> > ../src/gallium/state_trackers/nine/device9.c:296:49: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >   296 |         DBG("\033[1;32mCSMT is active\033[0m\n");
> >       |                                                 ^
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘create_zs_or_rt_surface’:
> > ../src/gallium/state_trackers/nine/device9.c:1221:87: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1221 |       DBG("FIXME Used shared handle! This option isn't 
> > probably handled correctly!\n");
> > >                      ^
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘NineDevice9_UpdateSurface’:
> > ../src/gallium/state_trackers/nine/device9.c:1307:53: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1307 |             pSourceRect->right, pSourceRect->bottom);
> >       |                                                     ^
> > ../src/gallium/state_trackers/nine/device9.c:1309:68: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1309 |         DBG("pDestPoint = (%u,%u)\n", pDestPoint->x, 
> > pDestPoint->y);
> > >   ^
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘NineDevice9_StretchRect’:
> > ../src/gallium/state_trackers/nine/device9.c:1588:53: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1588 |             pSourceRect->right, pSourceRect->bottom);
> >       |                                                     ^
> > ../src/gallium/state_trackers/nine/device9.c:1591:49: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1591 |             pDestRect->right, pDestRect->bottom);
> >       |                                                 ^
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘NineDevice9_ColorFill’:
> > ../src/gallium/state_trackers/nine/device9.c:1786:41: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1786 |             pRect->right, pRect->bottom);
> >       |                                         ^
> > ../src/gallium/state_trackers/nine/device9.c: In function 
> > ‘NineDevice9_CreateOffscreenPlainSurface’:
> > ../src/gallium/state_trackers/nine/device9.c:1864:43: error:
> > suggest 
> > braces around empty body in an ‘if’ statement [-Werror=empty-body]
> >  1864 |         DBG("Failed to create surface.\n");
> >       |                                           ^
> > cc1: some warnings being treated as errors
> > 
> > -- 
> > 
> > st at sta/nine_shader.c.o' -c 
> > ../src/gallium/state_trackers/nine/nine_shader.c
> > ../src/gallium/state_trackers/nine/nine_shader.c: In function 
> > ‘tx_dst_param_as_src’:
> > ../src/gallium/state_trackers/nine/nine_shader.c:1437:52: error: 
> > suggest braces around empty body in an ‘if’ statement 
> > [-Werror=empty-body]
> >  1437 |         WARN("mask is 0, using identity swizzle\n");
> >       |
> > 
> > -- 
> > Last
> > 
> > ine_ff.c.o' -c ../src/gallium/state_trackers/nine/nine_ff.c
> > ../src/gallium/state_trackers/nine/nine_ff.c: In function 
> > ‘nine_ff_get_vs’:
> > ../src/gallium/state_trackers/nine/nine_ff.c:1610:72: error:
> > suggest 
> > braces around empty body in an ‘else’ statement [-Werror=empty-
> > body]
> >  1610 |                     DBG("FF given texture coordinate >= 8. 
> > Ignoring\n");
> > >       ^
> > cc1: some warnings being treated as errors
> > 
> > Thanks,
> > Dieter
> > 
> 
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