[PATCH, testsuite]: Fix g++.dg/torture/pr86763.C link failure for glibc < 2.17

[Uros Bizjak]

On Mon, Aug 6, 2018 at 5:44 PM, Jeff Law <law@redhat.com> wrote:
> On 08/06/2018 09:33 AM, Uros Bizjak wrote:
>> On Mon, Aug 6, 2018 at 5:23 PM, Jeff Law <law@redhat.com> wrote:
>>> On 08/06/2018 09:10 AM, Uros Bizjak wrote:
>>>> 2018-08-06  Uros Bizjak  <ubizjak@gmail.com>
>>>>
>>>>     * g++.dg/torture/pr86763.C (dg-additional-options): Add -lrt.
>>>>
>>>> Tested on CentOS 5.10 and Fedora 28.
>>>>
>>>> OK for mainline?
>>> But what about systems without librt?  I'm thinking primarily of the
>>> embedded *-elf targets.
>>
>> Perhaps the following patch is better:
>>
>> --cut here--
>> Index: g++.dg/torture/pr86763.C
>> ===================================================================
>> --- g++.dg/torture/pr86763.C    (revision 263317)
>> +++ g++.dg/torture/pr86763.C    (working copy)
>> @@ -1,5 +1,6 @@
>>  // { dg-do run }
>>  // { dg-additional-options "-fschedule-insns2 -fstrict-aliasing" }
>> +// { dg-additional-options "-lrt" { target *-*-linux-gnu } }
> That's be fine with me.
>
> If someone wants the test to be run on solaris or some other target with
> librt, they can extend the selector to include the proper target/versions.

Thanks, I'll commit the patch to mainline with updated ChangeLog entry:

2018-08-06  Uros Bizjak  <ubizjak@gmail.com>

    * g++.dg/torture/pr86763.C (dg-additional-options): Add -lrt
    for target *-*-linux-gnu.

Uros.