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From: "wilson at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/27811] [11 Regression] arm-linux-gnueabihf and
 aarch64-linux-gnu fail to configure in sim, sim/aarch64
Date: Tue, 04 May 2021 00:59:44 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27811

Jim Wilson <wilson at gcc dot gnu.org> changed:

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

--- Comment #9 from Jim Wilson <wilson at gcc dot gnu.org> ---
I can reproduce if I use --disable-dependency-tracking.  The problem appear=
s to
be the sim aclocal.m4 files which include $top/config/depstand.m4 which does
not respect --disable-dependency-tracking and forces an error if no depende=
ncy
tracking is found.  So what happens is that the sim dir is configured first,
respects --disable-dependency-tracking, and sets config.cache entry to none,
then we configure any sim/$target dir, which ignores
--disable-dependency-tracking, sees the config.cache entry, and gives an er=
ror.

Though I haven't figured out why sim/configure respects
--disable-dependency-tracking, as it appears to include config/depstand.m4
also.

--=20
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