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From: "tomas.kalibera at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/95130] GCC ignoring attribute(format(gnu_printf)) on printf
 in mingw
Date: Thu, 03 Aug 2023 16:33:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95130

--- Comment #17 from Tomas Kalibera <tomas.kalibera at gmail dot com> ---
(In reply to Tomas Kalibera from comment #16)
> (In reply to Julian Waters from comment #15)
> > It seems like the patch also doesn't fix the strftime case too, strange=
ly
> > enough. gcc with that patch applied still causes a compilation failure =
in
> > the Windows JDK when encountering strftime with the %T specifier
>=20
>
> I don't easily see why the patch doesn't help with %T in strftime. In
> MinGW-W64 10, strftime doesn't seem to have a format attribute at all, so
> the patch couldn't help. But in MinGW-W64 11, the gnu_strftime format
> attribute is present.

The older version of the patch I use with gcc 12 doesn't seem to be helping
with %T, but the newer one (patch_master.diff) helps with %T on the current=
 gcc
master (gcc 14) and the current gcc 13 branch (gcc 13.2). Tested with MinGW=
-W64
11.0.1.=