[Buildroot] [PATCH] docs/manual: gcc 4.4 is the lowest we are known to work with
Baruch Siach
baruch at tkos.co.il
Thu Aug 9 13:14:52 UTC 2018
Hi Matt,
Matthew Weber writes:
> On Sun, Aug 5, 2018 at 6:46 AM Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
>>
>> gcc-2.95 is old. No, it is not old; it is antediluvian.
>>
>> The odlest gcc version we are testing against is gcc-4.4 (on Holiss'
>> autobuilder using RHEL6.5).
>>
>
> Any suggestions if we keep the minimum host compiler requirement at
> 4.4, how should I address the below build failures with "error:
> '__ATOMIC_ACQUIRE' undeclared " on the RHEL6.5 autobuilder?
> http://autobuild.buildroot.net/?reason=host-libselinux-2.7
>
> If this was a more recent compiler version issue, I'd dig into the
> package and look at up-streaming a compatibility ifdef check.
The atomic operations were introduced in gcc version 4.7:
https://gcc.gnu.org/gcc-4.7/changes.html
baruch
--
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