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From: "egallager at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/84257] Extremely slow compilation from gcc source
 code under macOS 10.13
Date: Thu, 07 May 2020 22:43:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D84257

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |egallager at gcc dot gnu.o=
rg

--- Comment #7 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to 191919 from comment #2)
> I tried with the combination of the following settings under macOS 10.13.=
3:
>=20
> internal SSD / external HD
> HFS+ / APFS
> SIP enabled / SIP disabled
>=20
> The only factor that affects is SIP status. Once I disable it,
> DYLD_LIBRARY_PATH will be exported, then the scripts run slowly.
>=20
> I have reported the problem to Apple, but since turning off SIP is not
> recommended, I don't think they are going to fix it in short future.

This is a great example of why it'd be so good to have a fully-FOSS fork of
Darwin that can make different recommendations about things like that.=