[PATCH] build: Add comment

[Chris Johns]

Thanks, this is great. OK to push.

On 28/9/20 2:18 pm, Sebastian Huber wrote:
> Update #3818.
> ---
>  wscript | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/wscript b/wscript
> index 6280afa6c9..1670acf936 100755
> --- a/wscript
> +++ b/wscript
> @@ -1362,7 +1362,11 @@ def configure_variant(conf, cp, bsp_map, path_list, top_group, variant):
>      conf.env["BSP_BASE"] = bsp_base
>      conf.env["BSP_NAME"] = bsp_name
>      conf.env["DEST_OS"] = "rtems"
> +
> +    # For the enabled-by evaluation we have to use the base BSP defined by the
> +    # build specification and not the BSP name provided by the user.
>      conf.env["ENABLE"] = [get_compiler(conf, cp, variant), arch, arch_bsp]
> +
>      conf.env["TOP"] = conf.path.abspath()
>      conf.env["TOPGROUP"] = top_group
>      conf.env["VARIANT"] = variant
>