[PATCH 2/3] libstdc++-v3: ::tmpnam depends on uClibc SUSV4_LEGACY

[Bernhard Reutner-Fischer]

On 11 April 2013 14:18, Paolo Carlini <paolo.carlini@oracle.com> wrote:
> Hi,
>
>
> On 04/11/2013 02:04 PM, Bernhard Reutner-Fischer wrote:
>>
>> I would have expected that somebody would tell me that omitting ::tmpnam
>> violates 27.9.2 <cstdio> from the spec but noone yelled at me yet?
>
> Frankly, I didn't because the targets I really care about aren't affected.
> The actual maintainers of this target should speak.

Attaching an updated patch that i was using since March (without
regressions) which takes Rainer's comments about _GLIBCXX_USE_TMPNAM
into account.
Ok for trunk?

libstdc++-v3/ChangeLog

2013-03-24  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * acinclude.m4 (GLIBCXX_CHECK_TMPNAM): New check for tmpnam
        function.
        * configure.ac: Use GLIBCXX_CHECK_TMPNAM.
        * (configure, config.h.in): Regenerate.
        * include/c_global/cstdio: Guard ::tmpnam with _GLIBCXX_USE_TMPNAM
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