Re: [PATCH rdma-core] Do not install mlx5 kernel headers if mlx5 is not built

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On Thu, May 17, 2018 at 10:21:41AM +0300, Leon Romanovsky wrote:
> On Tue, May 15, 2018 at 01:29:18PM -0600, Jason Gunthorpe wrote:
> > We don't build some providers if DMA is not supported, but we still
> > installed the renamed kernel header in this case. This causes package
> > builds to fail because the sed script in debian/rules will remove the mlx5
> > stuff indiscriminately if DMA is not supported.
> >
> > Simple fix is to be consistent and not include any mlx5 stuff if mlx5 is
> > not built.
> >
> > Cc: stable@xxxxxxxxxxxxxx
> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> >  kernel-headers/CMakeLists.txt | 1 -
> >  providers/mlx5/CMakeLists.txt | 3 ++-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > Benjamin, this should fix the build failures I saw from the debian
> > autobuilder..
> >
> > What do you think?
> >
> 
> Will it break compilation of applications which use those files?

No, the header is only included by mlx5dv.h, which is already not
being installed

> Why don't we fix sed script in debian/rules instead of creating extra
> rules and hacks for kernel-headers?

This is more consistent with what we are already doing.

Jason
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