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From: "brechtsanders at users dot sourceforge.net" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/105506] Error building GCC 12.1.0 against MinGW-w64:
 fatal error: cannot execute 'cc1': CreateProcess: No such file or directory
Date: Fri, 27 May 2022 09:48:36 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105506

--- Comment #2 from Brecht Sanders <brechtsanders at users dot sourceforge.=
net> ---
I did an additional test to see where gcc.exe is looking for cc1.exe using
Process Monitor.

This was using a i686 UCRT build of GCC against MinGW-w64 installed under:
D:\Prog\winlibs32ucrt_stage\mingw32

I'm on Windows 11.

First it looks here (opening the file handle with CreateFile):
D:\Prog\winlibs32ucrt_stage\mingw32\libexec\gcc\i686-w64-mingw32ucrt\12.1.0=
\cc1.exe
This actually exists.

But then a call to QueryInformationVolume fails with BUFFER OVERFLOW
and then agian another call to QueryAllInformationFile also fails with BUFF=
ER
OVERFLOW

Then it goes on to look for cc1.exe in places where it doesn't exist.=