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Re: [PATCH 1/2] Fix LTO bootstrap documentation
- From: Andi Kleen <andi at firstfloor dot org>
- To: Paolo Bonzini <bonzini at gnu dot org>
- Cc: Andi Kleen <andi at firstfloor dot org>, Andi Kleen <ak at linux dot intel dot com>, Diego Novillo <dnovillo at google dot com>, gcc-patches at gcc dot gnu dot org, hubicka at ucw dot cz
- Date: Wed, 1 Sep 2010 10:40:35 +0200
- Subject: Re: [PATCH 1/2] Fix LTO bootstrap documentation
- References: <1283250838-13800-1-git-send-email-andi@firstfloor.org> <4C7CF48F.7020600@google.com> <4C7CF91D.9060208@gnu.org> <4C7D0042.3010609@linux.intel.com> <4C7D0104.6060005@gnu.org> <20100901075725.GA27169@basil.fritz.box> <4C7E07AC.7000800@gnu.org> <87lj7l51ks.fsf@basil.nowhere.org> <4C7E0F9A.8010507@gnu.org>
> Is -fuse-linker-plugin required for correctness? Losing the ability
Yes it's needed for the ar files (libbackend.a etc.)
collect2 without linker help doesn't handle ar.
> to bootstrap-lto on Windows is a bit ugly. We could use makefile
> magic to disable it when gold is not in use.
I doubt it will work. That is at least if you really want
LTO code generation.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.