[PATCH v1 0/7] Add missing nldbl functions to libc

[Joseph Myers]

On Thu, 6 Dec 2018, Gabriel F. T. Gomes wrote:

> The functions: argp_error and argp_failure (from argp.h); err, errx,
> verr, verrx, warn, warnx, vwarn, and vwarnx (from err.h); error and
> error_at_line (from error.h); can take long double arguments if
> requested by the format string.  However, on platforms where long double
> format changed in GLIBC 2.4, a compat function (nldbl) has never been
> added.  This patch set adds these functions, as well as header magic to
> redirect function calls when user code is built with -mlong-double-64.

As this is a bug that's user-visible in releases, it should be filed in 
Bugzilla if not already there, then the relevant patches should reference 
that bug (which should be resolved as FIXED with target milestone set once 
all the patches are in).

-- 
Joseph S. Myers
joseph@codesourcery.com