[Mesa-stable] [Mesa-dev] [PATCH 1/2] configure: error out of building GBM without dri

Kenneth Graunke kenneth at whitecape.org
Fri May 9 15:14:01 PDT 2014


On 05/05/2014 02:09 PM, Emil Velikov wrote:
> Both backends require --enable-dri, and building an empty libgbm
> makes little to no sense. Error out at configure to prevent the
> user from shooting themselves in the foot.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78225
> Cc: "10.1 10.2" <mesa-stable at lists.freedesktop.org>
> Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
> ---
> 
> Strictly speaking, not crucial for mesa-stable, although it
> will be nice to have. I do not feel too strong either way.
> 
> -Emil
> 
>  configure.ac | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index e77ed77..371c17f 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1179,6 +1179,13 @@ if test "x$enable_gbm" = xyes; then
>          if test "x$enable_shared_glapi" = xno; then
>              AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
>          fi
> +    else
> +        # Strictly speaking libgbm does not require --enable-dri, although
> +        # both of its backends do. Thus one can build libgbm without any
> +        # backends if --disable-dri is set.
> +        # To avoid unnecessary complexity of checking if at least one backend
> +        # is available when building, just mandate --enable-dri.
> +        AC_MSG_ERROR([gbm requires --enable-dri])
>      fi
>  fi
>  AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
> 

Sounds good to me - thanks Emil!

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

(I didn't look at patch 2, since I know approximately 0 about the
Gallium llvm and xatracker stuff.)

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