Re: [PATCH] md5, sha1, sha256, sha512: add 'auto', and a way to specify default

[Pádraig Brady]

On 12/08/2013 01:02 AM, Paul Eggert wrote:
> I needed something like this for Emacs, and these changes should
> affect existing uses so I took the liberty of pushing them.

This should not change current uses.
Looks good.

>  AC_DEFUN([gl_CRYPTO_CHECK],
>  [
> +  m4_divert_text([DEFAULTS], [with_openssl_default=no])
> +
>    AC_ARG_WITH([openssl],
>      [AS_HELP_STRING([--with-openssl],
>        [use libcrypto hash routines. Valid ARGs are:
> -       'yes', 'no', 'optional' => use if available])],
> +       'yes', 'no', 'auto' => use if available,
> +       'optional' => use if available and warn if not available])],

I wonder would it be worth documenting the default now?
I'll change coreutils to use this scheme before the impending release if so.

thanks!
Pádraig.