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

Pablo Sebastián Greco

pgreco at centosproject.org
Sun Dec 13 19:25:15 UTC 2020


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.
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