[CentOS-devel] Ceph on arm32 - failing to compile devtoolset-8-gcc-8.3.1-3.1.el7.src.rpm

Hi Pablo,

have you had time to build the rpms yet? I was a bit impatient and so I 
simply changed the ceph.spec file to point to

devtoolset-8-gcc-c++-8.3.1-3.el7.armv7hl.rpm

instead of

devtoolset-8-gcc-c++-8.3.1-3.1el7.armv7hl.rpm

But after hours of compiling ceph I get an error. Maybe its related to 
not having the required version of devtoolset?

/opt/rh/devtoolset-8/root/usr/include/c++/8/bits/stl_algo.h:3462:5: 
note:   template argument deduction/substitution 
failed:                                             |
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/mds/PurgeQueue.cc:662:65: note:   
mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned 
int'                         |
    files_high_water = std::max(files_high_water, in_flight.size()); |
^ |
In file included from 
/opt/rh/devtoolset-8/root/usr/include/c++/8/functional:65, |
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/build/boost/include/boost/smart_ptr/detail/shared_count.hpp:39, 
|
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/build/boost/include/boost/smart_ptr/shared_ptr.hpp:28, 
|
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/include/any.h:25, |
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/common/ceph_context.h:29, |
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/common/dout.h:29, |
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/common/debug.h:18, |
                  from 
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/mds/PurgeQueue.cc:15: |
/opt/rh/devtoolset-8/root/usr/include/c++/8/bits/stl_algo.h:3468:5: 
note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp 
std::max(std::initializer_list<_T|
p>, _Compare)' |
      max(initializer_list<_Tp> __l, _Compare __comp) |
^~~ |
/opt/rh/devtoolset-8/root/usr/include/c++/8/bits/stl_algo.h:3468:5: 
note:   template argument deduction/substitution 
failed:                                             |
/mnt/rpmbuild/BUILD/ceph-15.2.8/src/mds/PurgeQueue.cc:662:65: note:   
mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned 
int'                         |
    files_high_water = std::max(files_high_water, in_flight.size()); |
^ |
make[2]: *** [src/mds/CMakeFiles/mds.dir/PurgeQueue.cc.o] Error 1 |
make[1]: *** [src/mds/CMakeFiles/mds.dir/all] Error 2 |
make: *** [all] Error 2 |
error: Bad exit status from /var/tmp/rpm-tmp.PANEM1 (%build) |

Cheers,

Oliver

Am 13.12.2020 um 20:40 schrieb Oliver Weinmann:
> Great. Thank you very much.
>
> Von meinem iPhone gesendet
>
>> Am 13.12.2020 um 20:25 schrieb Pablo Sebastián Greco 
>> <pgreco at centosproject.org>:
>>
>> 
>>
>> Ok,I see that in git we have .1 and .2, neither of which were built 
>> for armhfp. I'll try to get that sorted out and let you know.
>>
>> On 13/12/20 05:12, Oliver Weinmann via CentOS-devel wrote:
>>> Ok, I missed an important part. I need version 8.3.1.3.1 the one in 
>>> the rep is 8.3.1.3 :( So I have to compile it. I will give it a try. 
>>> Or do you think there will be an updated package available soon?
>>>
>>> Cheers,
>>>
>>> Oliver
>>>
>>> Am 12.12.2020 um 19:40 schrieb Oliver Weinmann via CentOS-devel:
>>>> Great stuff. I was googling for those packages and couldn't find 
>>>> them. No more need to rebuild them. They were deps for CEPH. No I 
>>>> can start building ceph. :) I guess this will take a couple of days 
>>>> on a raspi3. ;)
>>>>
>>>> Am 12.12.2020 um 14:43 schrieb Pablo Sebastián Greco:
>>>>>
>>>>> On 12/12/20 07:44, Oliver Weinmann wrote:
>>>>>> Hi Pablo,
>>>>>>
>>>>>> thanks a lot for your reply. The src.rpm I'm using is this one:
>>>>>>
>>>>>> https://cbs.centos.org/kojifiles/packages/devtoolset-8-gcc/8.3.1/3.1.el7/src/devtoolset-8-gcc-8.3.1-3.1.el7.src.rpm 
>>>>>>
>>>>>>
>>>>>> It's gcc8 so the patch you linked is not really fitting. :( If 
>>>>>> you have time and could take a look that would be really cool.
>>>>> You have the whole devtoolset-8 for armhfp here 
>>>>> https://buildlogs.centos.org/c7-devtoolset-8.armhfp/ , including 
>>>>> the srpms. I'll talk to Johnny to upload the patches to git.
>>>>> If you decide to rebuild it, aside from patience, be careful with 
>>>>> binutils (needs a patch or executables become invalid) and make 
>>>>> (has a bug that makes it parallel builds not work correctly).
>>>>> Both of those issues are fixed in the repo I pointed
>>>>>>
>>>>>> Best Regards,
>>>>>>
>>>>>> Oliver
>>>>>>
>>>>>> Am 12.12.2020 um 10:26 schrieb Pablo Sebastián Greco:
>>>>>>>
>>>>>>> On 11/12/20 11:28, Oliver Weinmann via CentOS-devel wrote:
>>>>>>>> Hi Folks,
>>>>>>>>
>>>>>>>> For a small home project I would like to get cephadm working on 
>>>>>>>> my Odroid HC-2 (armhf 32). Maybe this is not going to work but 
>>>>>>>> I want to at least give it a try. I see that there are only 
>>>>>>>> arm64 packages and containers available from the Ceph repo. So 
>>>>>>>> I thought I just go ahead and compile the dependency packages 
>>>>>>>> myself and build a new container with CentOS7 arm32. Luckily 
>>>>>>>> there is a CentOS 7 arm32 container but I still need to compile 
>>>>>>>> the packages. After downloading all the src rpms i started 
>>>>>>>> building them and now I ended up to compile this package from 
>>>>>>>> the SCL repo as it is not available for arm32:
>>>>>>>>
>>>>>>>> devtoolset-8-gcc-8.3.1-3.1.el7.src.rpm
>>>>>>>>
>>>>>>>> It fails with an error of:
>>>>>>>>
>>>>>>>> checking if mkdir takes one argument... no
>>>>>>>> *** Configuration armv7hl-redhat-linux-gnu7E not supported
>>>>>>>> make[2]: *** [configure-stage1-gcc] Error 1
>>>>>>>> make[2]: Leaving directory 
>>>>>>>> `/root/rpmbuild/BUILD/gcc-8.3.1-20190311/obj-armv7hl-redhat-linux7E' 
>>>>>>>>
>>>>>>>> make[1]: *** [stage1-bubble] Error 2
>>>>>>>> make[1]: Leaving directory 
>>>>>>>> `/root/rpmbuild/BUILD/gcc-8.3.1-20190311/obj-armv7hl-redhat-linux7E' 
>>>>>>>>
>>>>>>>> make: *** [profiledbootstrap] Error 2
>>>>>>>> error: Bad exit status from /var/tmp/rpm-tmp.knxvjm (%build)
>>>>>>> This looks very close to this fix we had to add to make gcc work 
>>>>>>> on arm 
>>>>>>> https://git.centos.org/rpms/devtoolset-7-gcc/blob/c7/f/SPECS/gcc.spec#_319 
>>>>>>> (I'm linking to gcc7 because I can't find the other commit, but 
>>>>>>> it is the same thing).
>>>>>>> Let me know if that helps  and if it is still failing, point me 
>>>>>>> to as spec file or an srpm and I'll take a look.
>>>>>>>>
>>>>>>>>
>>>>>>>> RPM build errors:
>>>>>>>>     Bad exit status from /var/tmp/rpm-tmp.knxvjm (%build)
>>>>>>>>
>>>>>>>> real    13m36.412s
>>>>>>>> user    17m57.828s
>>>>>>>> sys     3m47.905s
>>>>>>>>
>>>>>>>> I looked up the build log for arm64 and so I figured out that 
>>>>>>>> the next step is to access a directory called arm here:
>>>>>>>>
>>>>>>>> /root/rpmbuild/BUILD/gcc-8.3.1-20190311/gcc/config
>>>>>>>>
>>>>>>>> in the extracted source. Somehow the build process thinks my 
>>>>>>>> system is armv7hl-redhat-linux-gnu7E instead of arm and  so it 
>>>>>>>> tries to access the armv7hl-redhat-linux-gnu7E directory which 
>>>>>>>> doesn't exist and fails. I simply created a symlink and this 
>>>>>>>> seems to be working.
>>>>>>>>
>>>>>>>> ln -sf arm armv7hl-redhat-linux-gnu7E
>>>>>>>>
>>>>>>>> Not sure if this is in general a bad idea. So I got a lot 
>>>>>>>> further. But then it fails again with this error:
>>>>>>>>
>>>>>>>> In file included from /usr/include/features.h:399,
>>>>>>>>                  from /usr/include/stdio.h:27,
>>>>>>>>                  from ../.././libgcc/../gcc/tsystem.h:87,
>>>>>>>>                  from ../.././libgcc/libgcc2.c:27:
>>>>>>>> /usr/include/gnu/stubs.h:7:11: fatal error: gnu/stubs-soft.h: 
>>>>>>>> No such file or directory
>>>>>>>>  # include <gnu/stubs-soft.h>
>>>>>>>>            ^~~~~~~~~~~~~~~~~~
>>>>>>>> compilation terminated.
>>>>>>>> make[3]: *** [_muldi3.o] Error 1
>>>>>>>> make[3]: Leaving directory 
>>>>>>>> `/root/rpmbuild/BUILD/gcc-8.3.1-20190311/armv7l-unknown-linux-gnueabihf/libgcc'
>>>>>>>> make[2]: *** [all-stage1-target-libgcc] Error 2
>>>>>>>> make[2]: Leaving directory 
>>>>>>>> `/root/rpmbuild/BUILD/gcc-8.3.1-20190311'
>>>>>>>> make[1]: *** [stage1-bubble] Error 2
>>>>>>>> make[1]: Leaving directory 
>>>>>>>> `/root/rpmbuild/BUILD/gcc-8.3.1-20190311'
>>>>>>>> make: *** [all] Error 2
>>>>>>>>
>>>>>>>> real    88m2.283s
>>>>>>>> user    67m23.211s
>>>>>>>> sys     6m7.984s
>>>>>>>>
>>>>>>>> I can't find any good info on google on how to deal with this 
>>>>>>>> one. Any ideas?
>>>>>>>>
>>>>>>>> Best Regards,
>>>>>>>>
>>>>>>>> Oliver
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> Pablo.
>>>>> Pablo.
>>>> _______________________________________________
>>>> CentOS-devel mailing list
>>>> CentOS-devel at centos.org
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