C++11 threading library

Joel Sherrill joel.sherrill at oarcorp.com
Thu Jul 30 15:31:01 UTC 2015


Thanks.

GCC 4.8.2 was released on 16 Oct 2013. These are quite old and
we really need to get them off the site.

Most of the targets are using gcc 4.9.2 or 4.9.3 (not sure if
we bumped it yet).

Please use the rtems-source-builder (RSB) to build tools which
match the current source.

--joel

On 7/30/2015 10:11 AM, Beojan Stanislaus wrote:
> I have pasted the contents of the yum repo file below (using Scientific Linux 6.6)
>
> [rtems-4.11]
> name=RTEMS-4.11 for CentOS 6 - $basearch
> # baseurl=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/$basearch
> mirrorlist=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/mirrorlist
> # metadata_expire=0
> enabled=1
> gpgcheck=1
> gpgkey=file:///etc/pki/rpm-gpg/gpg-pubkey-69ce4a83-44cc2b30-centos-6
>          file:///etc/pki/rpm-gpg/gpg-pubkey-eac29b6f-3fe1f458-centos-6
>
> [rtems-4.11-source]
> name=RTEMS-4.11 for CentOS 6 - $basearch - source
> # baseurl=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/SRPMS
> mirrorlist=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/mirrorlist-source
> # metadata_expire=0
> enabled=0
> gpgcheck=1
> gpgkey=file:///etc/pki/rpm-gpg/gpg-pubkey-69ce4a83-44cc2b30-centos-6
>          file:///etc/pki/rpm-gpg/gpg-pubkey-eac29b6f-3fe1f458-centos-6
>
> [rtems-4.11-debuginfo]
> name=RTEMS-4.11 for CentOS 6 - $basearch - debuginfo
> # baseurl=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/$basearch/debug
> mirrorlist=http://ftp.rtems.org/pub/rtems/linux/4.11/centos/6/mirrorlist-debuginfo
> # metadata_expire=0
> enabled=0
> gpgcheck=1
> gpgkey=file:///etc/pki/rpm-gpg/gpg-pubkey-69ce4a83-44cc2b30-centos-6
>          file:///etc/pki/rpm-gpg/gpg-pubkey-eac29b6f-3fe1f458-centos-6
>
> Sincerely,
>
> Beojan Stanislaus
>
>
>> -----Original Message-----
>> From: Joel Sherrill [mailto:joel.sherrill at oarcorp.com]
>> Sent: Thursday July 30, 2015 03:26 PM
>> To: Gedare Bloom; Beojan Stanislaus
>> Cc: users at rtems.org; Alan Barr (Alan.Barr at physics.ox.ac.uk); Jaya John
>> Subject: Re: C++11 threading library
>>
>>
>>
>> On 7/30/2015 8:47 AM, Gedare Bloom wrote:
>>> Beojan,
>>>
>>> I don't know if this is available in newer gcc, but you should
>>> definitely not be using the version you picked up in the RHEL6 repo.
>>> For RTEMS 4.11, there are not any suitable pre-compiled tools
>>> available right now, and the preferred approach for obtaining a
>>> compiler is to use the new RSB tool:
>>> https://devel.rtems.org/wiki/Developer/Tools/RSB
>>
>> Gedare is right on building from source. That is the preferred way now.
>>
>> I am a bit concerned that you mention gcc 4.8.x which is relatively new. We
>> haven't provided binaries since long before that is available.
>> Where did you get them?
>>
>> --joel
>>
>>> Gedare
>>>
>>> On Thu, Jul 30, 2015 at 5:08 AM, Beojan Stanislaus
>>> <beojan.stanislaus at queens.ox.ac.uk> wrote:
>>>> I am trying to compile some C++11 code that uses the threading features
>> in the standard library (std::thread etc) using arm-rtems4.11-g++ version
>> 4.8.2 (from the RHEL 6 repository). I get the error 'thread' is not a member of
>> 'std'. Delving into the include files shows that this is because
>> _GLIBCXX_HAS_GTHREADS is not defined (from  /opt/rtems-
>> 4.11/lib/gcc/arm-rtems4.11/4.8.2/include/c++/thread).
>>>>
>>>> Can anyone tell me if this has been resolved in a newer version of gcc (or
>> will be resolved soon)?
>>>>
>>>> Sincerely,
>>>>
>>>> Beojan Stanislaus
>>>>
>>>> _______________________________________________
>>>> users mailing list
>>>> users at rtems.org
>>>> http://lists.rtems.org/mailman/listinfo/users
>>> _______________________________________________
>>> users mailing list
>>> users at rtems.org
>>> http://lists.rtems.org/mailman/listinfo/users
>>>
>>
>> --
>> Joel Sherrill, Ph.D.             Director of Research & Development
>> joel.sherrill at OARcorp.com        On-Line Applications Research
>> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>> Support Available                (256) 722-9985

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985


More information about the users mailing list