I'm prepared for breakage in limbo. When the war begins let me know :)

On Thu, May 4, 2017 at 4:54 PM Geaaru <gea...@gmail.com> wrote:

> Hi,
>
> I confirm that there is a lot of work on upgrade to gcc-5.4.0 (a lot of
> packages to recompile) but FWIS could optimize a lot of package and there
> are packages like for example mongodb-3.4 that need a >=gcc-5.x.
>
> Gcc-5.4.0 is now stable on gentoo and could be a good idea plan an upgrade.
>
> I test compilation of ebuild sys-devel/base-gcc and sys-devel/gcc for both
> amd64 and arm and installation is been complete correctly. I think that
> there is only a fix... avoid set of gcc-5 at the end of base-gcc and move
> it at the end of the installation of sys-devel/gcc.
>
> My cent
> G.
>
> On May 4, 2017 22:15, "Mitch Harder" <mitch.har...@sabayonlinux.org>
> wrote:
>
>> I'm seeing some discussion about updating our Sabayon gcc ebuilds to
>> version 5.4.0
>>
>> You guys probably already knew this, but just in case this slipped
>> through the cracks, I want to make sure everyone is fore-warned that
>> this will be a really big chunk of work once we start using GCC-5.4.0
>> on our packages.
>>
>> At a minimum, we need to rebuild every package that uses C++ since the
>> ABI changes.
>>
>> We may decide to rebuild everything just to insure consistency.
>>
>> Reading some discussions on the Gentoo M/L, mixing GCC 4.9.4 and 5.4.0
>> is discouraged by several developers, but there do seem to be a few
>> who think it can be managed.
>>
>> The Gentoo news item for this upgrade recommends using a
>> revdep-rebuild command to identify the affected C++ packages:
>>
>> revdep-rebuild --library 'libstdc++.so.6'  -- --exclude gcc
>>
>> When I ran this on my systems, I quickly discovered that this method
>> will not discern packages that have already been rebuilt with
>> GCC-5.4.0.  It just gives me the same list every time.
>>
>> So, if we encounter build issues (and we almost certainly will since
>> some packages will attempt to build out of order), we'll have to come
>> up with our own system for keeping up with what's been rebuilt, and
>> what packages remain.
>>
>> I apologize if this has already been discussed, but I hadn't run
>> across any discussion on GCC 5.x, and wanted to make sure.
>>
>> Thanks,
>> Mitch...
>>
>>
>


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