[jira] Commented: (STDCXX-24) [Cygwin] collate.cpp needs wcsnxfrm

["Martin Sebor (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/STDCXX-24?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12477138 ] 

Martin Sebor commented on STDCXX-24:
------------------------------------

I don't see any calls to wcsnxfrm() in collate.cpp or anywhere else in the library sources. Maybe it's wcsxfrm() that was the problem? Need to do a build on Cygwin to see if it's still causing trouble. Calls to wcsxfrm() weren't guarded until
http://svn.apache.org/viewvc?view=rev&revision=367462 so it should be fine.

> [Cygwin] collate.cpp needs wcsnxfrm
> -----------------------------------
>
>                 Key: STDCXX-24
>                 URL: https://issues.apache.org/jira/browse/STDCXX-24
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: 4.1.2
>         Environment: Cygwin
>            Reporter: Lance Diduck
>             Fix For: 4.2
>
>
> Martin Sebor paraphrased:
> Cygwin really doesn't define wcsnxfrm() (i.e.,  both
> _RWSTD_NO_WCSXFRM and _RWSTD_NO_WCSXFRM_IN_LIBC are #defined) 
> we should probably implement our own transformation. 
> Looking at
> collate.cpp, though, I don't see a check for _RWSTD_NO_WCSXFRM_IN_LIBC,
> just for the former (which only determines whether function is declared;
> the latter tells us if it's also not defined).

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