[Mesa-dev] [PATCH 2/2] travis: make Meson find the proper llvm-config

[Dylan Baker]

Quoting Andres Gomez (2018-02-28 07:52:06)
> Travis CI has moved to LLVM 5.0, and meson is detecting automatically
> the available version in /usr/local/bin based on the PATH env variable
> order preference.
> 
> As for 0.44.x, Meson cannot receive the path to the llvm-config binary
> as a configuration parameter. See
> https://github.com/mesonbuild/meson/issues/2887 and
> https://github.com/dcbaker/meson/commit/7c8b6ee3fa42f43c9ac7dcacc61a77eca3f1bcef
> 
> We want to use the custom (APT) installed version. Therefore, let's
> make Meson find our wanted version sooner than the one at
> /usr/local/bin
> 
> Once this is corrected, we would still need a patch similar to:
> https://lists.freedesktop.org/archives/mesa-dev/2017-December/180217.html
> 
> Cc: Eric Engestrom <eric.engestrom at imgtec.com>
> Cc: Dylan Baker <dylan at pnwbakers.com>
> Cc: Emil Velikov <emil.velikov at collabora.com>
> Cc: Juan A. Suarez Romero <jasuarez at igalia.com>
> Cc: Gert Wollny <gw.fossdev at gmail.com>
> Cc: Jon Turney <jon.turney at dronecode.org.uk>
> Signed-off-by: Andres Gomez <agomez at igalia.com>
> ---
>  .travis.yml | 28 ++++++++++++++++++++++++----
>  1 file changed, 24 insertions(+), 4 deletions(-)
> 
> diff --git a/.travis.yml b/.travis.yml
> index 0ec08e5bff7..5081bfc5d28 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -573,8 +573,28 @@ script:
>        scons $SCONS_TARGET && eval $SCONS_CHECK_COMMAND;
>      fi
>  
> -  - if test "x$BUILD" = xmeson; then
> -      export CFLAGS="$CFLAGS -isystem`pwd`";
> -      meson _build $MESON_OPTIONS;
> -      ninja -C _build;
> +  - |
> +    if test "x$BUILD" = xmeson; then
> +
> +      # Travis CI has moved to LLVM 5.0, and meson is detecting
> +      # automatically the available version in /usr/local/bin based on
> +      # the PATH env variable order preference.
> +      #
> +      # As for 0.44.x, Meson cannot receive the path to the
> +      # llvm-config binary as a configuration parameter. See
> +      # https://github.com/mesonbuild/meson/issues/2887 and
> +      # https://github.com/dcbaker/meson/commit/7c8b6ee3fa42f43c9ac7dcacc61a77eca3f1bcef
> +      #
> +      # We want to use the custom (APT) installed version. Therefore,
> +      # let's make Meson find our wanted version sooner than the one
> +      # at /usr/local/bin
> +      #
> +      # Once this is corrected, we would still need a patch similar
> +      # to:
> +      # https://lists.freedesktop.org/archives/mesa-dev/2017-December/180217.html
> +      test -f /usr/bin/llvm-config && ln -s /usr/bin/llvm-config $HOME/prefix/bin
> +
> +      export CFLAGS="$CFLAGS -isystem`pwd`"
> +      meson _build $MESON_OPTIONS
> +      ninja -C _build
>      fi
> -- 
> 2.15.1
> 

Reviewed-by: Dylan Baker <dylan at pnwbakers.com>
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