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From: "costas.argyris at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug driver/108865] gcc on Windows fails with Unicode path to source
 file
Date: Thu, 16 Nov 2023 13:41:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108865

--- Comment #42 from Costas Argyris <costas.argyris at gmail dot com> ---
Looks like what is being requested here is a windows-host-specific
configuration option similar to the existing --disable-win32-registry, like=
 for
example --disable-win32-utf8-manifest with its corresponding
--enable-win32-utf8-manifest (default).

win32-registry is handled in gcc/configure.ac

https://gcc.gnu.org/git/?p=3Dgcc.git;a=3Dblob;f=3Dgcc/configure.ac;h=3Dd0ca=
f820648e791272e91ac3eb14a62d034e8629;hb=3DHEAD#l2335

Then the question is what can be done in configure.ac to raise some sort of
flag that can be picked up from gcc/config.host, which is where the utf8
resource objects get added.    According to its own doc, config.host is inv=
oked
by configure, so it should be possible to pass a simple flag from configure=
 to
config.host.    Perhaps setting a shell variable that can be checked inside
config.host, like ${ENABLE_WIN32_UTF8_MANIFEST}, and pull in the utf-8 files
only if that is true.=