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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/100460] [11/12/13 Regression][modules] mingw build broken
 due to use of unsupported open() flags
Date: Wed, 07 Dec 2022 17:36:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100460

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The way libgfortran fixed this two ways.
First way is to use umask (disabled for mingw though). Second way is doing
#ifndef/#define 0

See:
r6-2699-g18a2180daa88bc
r0-63059-g41724e6a1387d9=