Re: [bug-report]rdma-core v51.0 build error with Rocky Linux 8.8

[Jason Gunthorpe <jgg@ziepe.ca>]

On Thu, May 16, 2024 at 07:48:06PM +0000, Marciniszyn, Mike wrote:
> Seen on Rocky Linux 8.8 with rdma-core v51.0. 
> 
> I suspect 8.9 shows the same issue and I know the RC for RHEL 8.10 does as well.
> 
> The cmake version is 3.20.2.
> 
> The linux kernel version and hardware is not relevant since this is a cmake/build issue.
> 
> The hardware is also not relevant.
> 
> To reproduce:
> 1. download an untar the v51.0 tar ball to ~
> cd ~
> wget  https://github.com/linux-rdma/rdma-core/releases/download/v51.0/rdma-core-51.0.tar.gz
> tar -zxvf tar -zxvf rdma-core-51.0.tar.gz
> 2. create the following directories
>  mkdir -p ~/rpmbuild/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS,OTHER}
> 3. copy the spec file 
> cp cp rdma-core-51.0/redhat/rdma-core.spec ~/rpmbuild/SPECS
> 4. Create SOURCES
> tar -zcvf ~/rpmbuild/SOURCES/rdma-core-51.0.tar.gz rdma-core-51.0
> 5. load build dependencies
> ensure AppStream, BaseOS, PowerTools repos are accessible
> sudo dnf install -y dnf-plugins-core rpm-build
> cd ~/rpmbuild/SPECS
> sudo dnf builddep -y rdma-core.spec
> 6. Load an additional pythion interpreter
> sudo dnf install python39
> 6. do the build
> rpmbuild  -ba rdma-core.spec
> 
> The build gets the following errors:
> error: File not found: /home/mmarcini/rpmbuild/BUILDROOT/rdma-core-51.0-1.el8.x86_64/usr/lib64/python3.6/site-packages/pyverbs
> error: File not found: /home/mmarcini/rpmbuild/BUILDROOT/rdma-core-51.0-1.el8.x86_64/usr/share/doc/rdma-core/tests/*.py
> 
> 
> RPM build errors:
>     File not found: /home/mmarcini/rpmbuild/BUILDROOT/rdma-core-51.0-1.el8.x86_64/usr/lib64/python3.6/site-packages/pyverbs
>     File not found: /home/mmarcini/rpmbuild/BUILDROOT/rdma-core-51.0-1.el8.x86_64/usr/share/doc/rdma-core/tests/*.py
> 
> Earlier in the build this is seen:
> -- Found Python: /usr/bin/python3.9 (found version "3.9.16") found components: Interpreter
> -- Could NOT find cython (missing: CYTHON_EXECUTABLE CYTHON_VERSION_STRING)
> 
> The issue appears to have been introduced by:
> 1462a8737 build: Fix cmake warning
> 
> cmake appears to find the 3.9 python despite having:
> -DPYTHON_EXECUTABLE:PATH=%{__python3}

I looked at this briefly but didn't guess what the issue really was?
Do you know more?

Jason