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)

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