[Bug libc/18522] ecvt_r, fcvt_r namespace

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https://sourceware.org/bugzilla/show_bug.cgi?id=18522

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=498c1f6a7c7f7b634d02e740f15789cf68820a54

commit 498c1f6a7c7f7b634d02e740f15789cf68820a54
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Fri Jun 12 10:11:35 2015 +0000

    Fix ecvt_r, fcvt_r namespace (bug 18522).

    The functions ecvt, fcvt and gcvt, in some standards, bring in
    references to ecvt_r and fcvt_r, which aren't in any of those
    standards.  The calls are correctly to __ecvt_r and __fcvt_r, but then
    the names ecvt_r and fcvt_r are defined as strong aliases; this patch
    changes them to weak aliases.

    Tested for x86_64 and x86 (testsuite, and that disassembly of
    installed stripped shared libraries is unchanged by the patch).

        [BZ #18522]
        * misc/efgcvt_r.c
        [LONG_DOUBLE_COMPAT (libc, GLIBC_2_0) && !LONG_DOUBLE_CVT]
        (cvt_symbol): Use weak_alias instead of strong_alias.
        [LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)] (cvt_symbol): Likewise.
        * conform/Makefile (test-xfail-XPG4/stdlib.h/linknamespace):
        Remove variable.
        (test-xfail-UNIX98/stdlib.h/linknamespace): Likewise.
        (test-xfail-XOPEN2K/stdlib.h/linknamespace): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog        |   10 ++++++++++
 NEWS             |    2 +-
 conform/Makefile |    3 ---
 misc/efgcvt_r.c  |    4 ++--
 4 files changed, 13 insertions(+), 6 deletions(-)

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