Re: [PATCH] use libcrypto routines in gnulib

[Paul Eggert]

Pádraig Brady wrote:
> Seems the handiest way to do this is to do the following
> in configure.ac before gl_INIT:
> 
> dnl Enable use of libcrypto by default
> AC_ARG_WITH([openssl],
>   [AS_HELP_STRING([--with-openssl],
>     [use libcrypto hash routines if available: default=yes])],
>   [],
>   [with_openssl=yes])

Unfortunately with Emacs this causes "configure --help" to output
two disagreeing lines for --with-openssl; one incorrect
one, put out by the AC_ARG_WITH in m4/gl-openssl.m4,
and one correct one, put out by the above call.

Come to think of it, the GNU coding standards say that
--with-openssl should configure the system to use the
OpenSSL library (and fail if it's not available, presumably;
that's what gl_GC and gl_LIBSELINUX do), but the recently-added
code doesn't do that; it issues a warning and disables the
library instead.  Maybe we should be more consistent with
the rest of Gnulib here?