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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug preprocessor/114748] [14 Regression] libcpp aclocal.m4 and
 configure incorrectly regenerated
Date: Wed, 17 Apr 2024 12:52:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114748

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Christophe Lyon from comment #7)
> So yes indeed at r14-5423-gfbe4e64365ec7f, autoreconf will generate the s=
ame
> contents, but starting at r14-5424-gdb50aea6259545 we get this discrepanc=
y.
>=20
> We can probably commit the "fixed" version, but should we investigate why
> override.m4 is needed again?

The reason why r14-5424 now requires override.m4 can be seen from aclocal -I
../config --verbose.
iconv.m4 added use of AC_PREREQ macro and override.m4 (re)defines that.
Before that AC_PREREQ wasn't used and so nothing required override.m4.

Can you just post the #c0 patch with a ChangeLog entry
        * aclocal.m4: Regenerate.
        * configure: Regenerate.
?=