[Arm-dev] Centos 7 - aarch64 gcc spec file bug

[Ed Brand]

Thank u

Sent from my iPhone

> On Aug 9, 2016, at 11:15 AM, Jim Perrin <jperrin at centos.org> wrote:
> 
> Just as a follow-up on this, I'm cycling through the build for it now
> and you should see this pushed as an update in the next day or so.
> 
>> On 07/31/2016 06:16 PM, Ed Brand wrote:
>> SUCCESS!!!
>> 
>> What a PITA.  I did hit the glibc artifact issue, ended up building a
>> complete cross-compiled gcc-4.9 toolchain for Centos7 x86_64. gcc-4.8 is
>> just not happy being cross-compiled.
>> 
>> I did a write up and uploaded everything to the below link if you want
>> to give it a go, or repeat for arm32 port. Basically followed the f21
>> stage 1 port docs to get it bootstrapped.  I would like to see this in
>> the main distro.   Do you need a bug filed?
>> 
>> http://arm.brandint.com/centos7/aarch64/bootstrap/Centos7-AARCH64-CrossCompiler.html
>> 
>> 
>> 
>> Cheers
>> 
>> -Ed
>> 
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>>> On 07/28/2016 08:38 PM, Jim Perrin wrote:
>>> 
>>>> On 07/28/2016 04:17 PM, Ed Brand wrote:
>>>> Libatomic and libgnat from gcc-4.8.5-4 appear not to be built on
>>>> aarch64. How to file bug?  See below from spec:
>>> Bugs can be filed at bugs.centos.org
>>> 
>>>> Summary: Various compilers (C, C++, Objective-C, Java, ...)
>>>> Name: gcc
>>>> %if 0%{?rhel} == 7
>>>> %global gcc_version 4.8.2
>>>> %else
>>>> %global gcc_version 4.8.5
>>>> %endif
>>>> Version: 4.8.5
>>>> Release: %{gcc_release}%{?dist}
>>>> ...
>>>> ( Missing aarch64 )
>>>> v
>>>> %ifarch %{ix86} x86_64 ppc ppc64 ppc64le ppc64p7 s390 s390x aarch64
>>>> %{arm}
>>>> %global build_libatomic 1
>>>> 
>>>> 
>>>> I did a smoke test and was able to bootstrap both using f21 aarch64.
>>>> Have the rpms if needed.
>>> 
>>> Some of the gcc bits I had patched out of the initial gcc build, because
>>> of the lack of early support and/or bootstrap pain (primarily ada and
>>> related bits).
>>> 
>>> Unfortunately building against f21 can potentially cause issues with
>>> gcc/glibc artifacts because of the newer glibc/gcc included in fedora.
>>> 
>>> When we did the initial port/build for this, we had to start from f19
>>> aarch64 builds and work up from there because of this. If you can
>>> (re)build against the el7 aarch64 build, that will give you a better
>>> result. I'll poke it tomorrow.
>> 
>> _______________________________________________
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> 
> -- 
> Jim Perrin
> The CentOS Project | http://www.centos.org
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