[dpdk-stable] [PATCH] build: provide suitable error for "both" libraries option

[Honnappa Nagarahalli]

<snip>

> 
> Rather than having the DPDK configuration error out when linking apps and
> examples when "both" is select for "default_library" option, we can detect
> that setting earlier in the build config and provide a suitable error message to
> the user.
> 
> CC: stable at dpdk.org
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
Looks good, thanks Bruce
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>

> ---
>  config/meson.build | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/config/meson.build b/config/meson.build index
> 3ddcc3539..05e9cede5 100644
> --- a/config/meson.build
> +++ b/config/meson.build
> @@ -308,3 +308,12 @@ if get_option('b_lto')
>  		add_project_link_arguments('-Wno-lto-type-mismatch',
> language: 'c')
>  	endif
>  endif
> +
> +if get_option('default_library') == 'both'
> +	error( '''
> +    Unsupported value "both" for "default_library" option.
> +
> +    NOTE: DPDK always builds both shared and static libraries.  Please set
> +    "default_library" to either "static" or "shared" to select default linkage
> +    for apps and any examples''')
> +endif
> --
> 2.27.0