> On Thu, Sep 24, 2020 at 02:22:03PM +0000, John Alexander wrote:
> > Hi,
> >
> > I've submitted a patch that uses new features of Meson, specifically the
> directory patch aspect of the subproject feature.  This requires a minimum
> Meson version of 0.55.0.  How do we go about getting the community to
> accept a more recent version of Meson and getting the Travis server
> upgraded too so the CI builds succeed?
> >
> > Patch link for reference: http://patches.dpdk.org/patch/78675/
> >
> > Kind Regards,
> > John Alexander.
> 
> Hi John,
> 
> this meson version change came up for discussion at the last DPDK technical
> board meeting, and some concerns were expressed about the jump in
> version and how it might impact those trying to package DPDK.
> 
> However, looking at your proposed patch, I wonder though if we really need
> to globally bump the meson version, and whether we can limit the
> requirements to just windows builds - which is what your patch targets.
> Would the following change to your patch work for you? It keeps the
> minimum meson version at 0.47.1 but then later does a windows-specific
> version check, printing out an error message if requirements not met?
> 
> /Bruce
> 
> $ git diff
> diff --git a/config/meson.build b/config/meson.build index
> 69f2aeb60..fd48c9828 100644
> --- a/config/meson.build
> +++ b/config/meson.build
> @@ -14,6 +14,11 @@ foreach env:supported_exec_envs
>         set_variable('is_' + env, exec_env == env)  endforeach
> 
> +# for windows, we need meson 0.55
> +if is_windows and meson.version().version_compare('< 0.55')
> +       error('Require meson 0.55 to build on windows') endif
> +
>  # MS linker requires special treatment.
>  # TODO: use cc.get_linker_id() with Meson >= 0.54  is_ms_linker =
> is_windows and (cc.get_id() == 'clang') diff --git a/meson.build b/meson.build
> index 9e061c73b..7dba3264e 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -8,7 +8,7 @@ project('DPDK', 'C',
>                 files('VERSION')).stdout().strip(),
>         license: 'BSD',
>         default_options: ['buildtype=release', 'default_library=static'],
> -       meson_version: '>= 0.55.0'
> +       meson_version: '>= 0.47.1'
>  )
> 
>  # set up some global vars for compiler, platform, configuration, etc.
> 

Hi Bruce,

Thanks for the workaround suggestion.  That certainly works for me.

Kind Regards,
John Alexander.


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