[Buildroot] [arc-buildroot] [autobuild.buildroot.net] arc build results for 2015-06-28

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Alexey Brodkin,

On Wed, 8 Jul 2015 14:33:36 +0000, Alexey Brodkin wrote:

> Ok I now see the difference.
> 
> [1] Toolchain that builds "empty" successfully is based on uClibc-0.9.33.2
> which simply doesn't have "uClibc_posix_opt.h" where _POSIX_SEMAPHORES
> is undefed in more recent versions of uClibc be it uClibc-ng or up to date uClibc
> (tip of upstream uClibc's master branch in case of ARC).
> 
> See commit that happened 1 month after 0.9.33.2 was cut:
> http://git.uclibc.org/uClibc/commit/libc/sysdeps/linux/common/bits/uClibc_posix_opt.h?id=2389017f787dd51e11e697c448071ec
> dd217169a
> 
> In that commit "uClibc_posix_opt.h" was introduced and since then "empty"
> won't built without threads.
> 
> Mystery solved? :)

Thanks for the investigation!

To conclude, I think marking the empty package as not available when
thread support is not there is probably the easiest/simplest solution.
What do you think?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com