[Bug libc/3440] New: locale.h macros like LC_ALL are not usable in #if

["eggert at gnu dot org" <sourceware-bugzilla at sourceware dot org>]

In
<https://www.opengroup.org/sophocles/show_mail.tpl?CALLER=index.tpl&source=L&listname=austin-group-l&id=9979>
Geoff Clare reported some conformance issues with glibc headers that
define some macros using techniques that do not work inside #if, even
though C99 and POSIX require that the macros work in #if.  I recently
reported some of them against the math component (glibc bug 3439).
locale.h has some issues too, though, with macros like LC_ALL.

I'll attach an (untested but obvious) patch against glibc head.

-- 
           Summary: locale.h macros like LC_ALL are not usable in #if
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: eggert at gnu dot org
                CC: glibc-bugs at sources dot redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=3440

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