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On 22 March 2017 at 02:20, P Levine <plevine457@×××××.com> wrote: |
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> A while back I decided to try my hand at including " -flto" in my |
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> C{XX}FLAGS and do `emerge -e @world`. Needless to say, by the end of it my |
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> "/etc/portage/package.env" was filled with a list of packages that had to |
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> disable the flag either because it failed to build or broke other builds. |
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> I never reported them as bugs because I always assumed the flag was unsafe |
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> and unsupported by Gentoo. |
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> |
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> Lately, I have been trying to fix some GCC-6 related bugs and have come |
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> across some bug reports that seem possibly more "-flto" related than GCC-6 |
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> related. Doing a search for "-flto", Gentoo bugtracker, a number of open |
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> bugreports clearly show them to be "-flto" bugs in their titles. |
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> |
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> Does Gentoo support the "-flto" flag and are "-flto" related bugreports |
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> valid? |
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> |
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See this Gentoo forum thread on the subject that I've read/followed with |
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interest ... https://forums.gentoo.org/viewtopic-t-1052716.html |
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I haven't tried any LTO building since gcc 4.9.x - it was a bit of pain in |
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the bum as I recall :-) |
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Bob |
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