[Mesa-dev] [PATCH] WIP: meson: allow building DRI loaders without a DRI driver

[Dylan Baker]

Quoting Emil Velikov (2018-12-13 08:15:57)
> From: Emil Velikov <emil.velikov at collabora.com>
> 
> Reasonably often people will want to build the loader w/o any drivers.
> Be that debugging an issue in the former, distribution bundle or other.
> 
> Currently there is an artificial restriction preventing people to build
> a config like the following:
> 
>  meson build/ -Dglx=dri -Ddri-drivers= -Dvulkan-drivers= -Dgallium-drivers=
> 
> Cc: Dylan Baker <dylan at pnwbakers.com>
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> ---
> This is a WIP, since it's obviously incomplete/wrong. Input or fix
> would be appreciated.
> 
> Thanks
> Emil
> ---
>  meson.build | 12 +-----------
>  1 file changed, 1 insertion(+), 11 deletions(-)
> 
> diff --git a/meson.build b/meson.build
> index 2aa2794f971..e1d6561c1a3 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -285,14 +285,6 @@ if with_glx == 'dri'
>     endif
>  endif
>  
> -if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
> -  with_gles1 = false
> -  with_gles2 = false
> -  with_opengl = false
> -  with_any_opengl = false
> -  with_shared_glapi = false
> -endif
> -
>  _gbm = get_option('gbm')
>  if _gbm == 'auto'
>    with_gbm = system_has_kms_drm and with_dri
> @@ -352,9 +344,7 @@ if with_glx != 'disabled'
>        error('xlib conflicts with any dri driver')
>      endif
>    elif with_glx == 'dri'
> -    if not with_dri
> -      error('dri based GLX requires at least one DRI driver')
> -    elif not with_shared_glapi
> +    if not with_shared_glapi
>        error('dri based GLX requires shared-glapi')
>      endif
>    endif
> -- 
> 2.19.2
> 

I'll have to think about this some more, I'm still not exactly sure why you'd
want to build the loader without a driver (although I could see why you might
want the driver without the loader).

Dylan
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