[Bug ld/25713] Linker(ld.exe) runs in Windows unable to find file if path length is more than 260 characters.

[chigot at adacore dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25713

Clément Chigot <chigot at adacore dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |chigot at adacore dot com

--- Comment #59 from Clément Chigot <chigot at adacore dot com> ---
Created attachment 14140
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14140&action=edit
0001-bfd-handle-codepage-when-opening-files-on-MinGW.patch

And I'm going to reopening it again. Sorry guys ! 

The hardcoded CP_UTF8 is triggering problems on our GNAT compiler. If you're
not using UTF-8, you might end up generating wrong filenames. 
Looking a bit around it seems that MinGW is using "___lc_codepage_func" in
order to retrieve the current codepage before calling "MultiByteToWideChar".
I've tried on my VMs, it's looking fine in most of the case. However, I can't
ensure that this is the best solution.

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