[poky] glibc-initial fails to build in Thud with arm926ejs tune

[Khem Raj]

On Wed, Jan 2, 2019 at 12:37 PM Matthew Stanger
<matthew_stanger at trimble.com> wrote:
>
> Hi,
>
> I'm getting a build failure under Thud when trying to use the
> following tune in my machine.conf:
> #at91sam9.inc is from meta-atmel - at91sam9263 is ARM target
> require conf/machine/include/at91sam9.inc
> DEFAULTTUNE = "arm926ejs"
>
>
> When doing a fresh build 'glibc-initial' config stage fail's with:
> | checking for broken __attribute__((alias()))... yes
> | configure: error: working alias attribute support required
> | WARNING: exit code 1 from a shell command.
> | ERROR: Function failed: do_configure (log file is located at
> /home/matt/renew_thud/build/tmp/work/arm926ejse-poky-linux-gnueabi/glibc-initial/2.28-r0/temp/log.do_configure.1177)
> ERROR: Task (/home/matt/renew_thud/build/../oe/poky/meta/recipes-core/glibc/glibc-initial_2.28.bb:do_configure)
> failed with exit code '1'
> NOTE: Tasks Summary: Attempted 2173 tasks of which 0 didn't need to be
> rerun and 1 failed.
>
> Summary: 1 task failed:
>   /home/matt/renew_thud/build/../oe/poky/meta/recipes-core/glibc/glibc-initial_2.28.bb:do_configure
>
> Can give follow on config.log's and such as required.

yes that would be helpful. Since gcc has become stricter with option
checks, its possibly ending in some combination which either is invalid
or is wrongly computed by gcc from -mcpu

>
> If I edit 'poky/meta/conf/machine/include/tune-arm926ejs.inc' to
> change the '-mcpu' back to 'mtune'(commit f29d642c) then glibc builds
> fine. GCC tuning is totally outside my expertise so I'm hoping someone
> can confirm if '-mcpu' is really desired over '-mtune'? And also if
> this look like a Poky issue or something else?
>
> Cheers,
> Matt
> --
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