[PATCH roland/env-only] Avoid re-exec-self in bug-setlocale1.

[Joseph Myers]

On Wed, 4 Mar 2015, Roland McGrath wrote:

>  ifndef test-wrapper-env
>  test-wrapper-env = $(test-wrapper) env
>  endif
> +# Likewise, but the program's environment will be empty except for any
> +# explicit <variable>=<value> assignments preceding the program name.
> +ifndef test-wrapper-env-only
> +test-wrapper-env-only = $(test-wrapper) env -i
> +endif

Needs documenting in install.texi / INSTALL, where it describes how 
test-wrapper-env must be set if $(test-wrapper) env isn't sufficient.

-- 
Joseph S. Myers
joseph@codesourcery.com