[Bug driver/108865] gcc on Windows fails with Unicode path to source file

[costas.argyris at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108865

Costas Argyris <costas.argyris at gmail dot com> changed:

           What    |Removed                     |Added
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  Attachment #54589|0                           |1
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--- Comment #19 from Costas Argyris <costas.argyris at gmail dot com> ---
Created attachment 54594
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54594&action=edit
Improve patch structure

This improves the modularity of the patch by isolating the utf8-related
instructions into their own separate makefile fragment 'x-mingw32-utf8' which
gets referenced as an additional host_xmake_file, leaving the main x-mingw32
file intact (well, except a minor irrelevant opportunistic cleanup).