Bug#755513: nvidia-opencl-dev: binary conflict with ocl-icd-libopencl1

Graham Inggs graham at nerve.org.za
Tue Jul 29 15:55:30 UTC 2014

On 29/07/2014 12:41, Stefano Rivera wrote:
> The first option allows higher installability. The second option keeps
> all the relationships confined to ocl-icd-libopencl1, which is the
> package breaking policy (#679228).

Thanks Stefano.  I had a closer look at ocl-icd and I think I am seeing 
the real issue now.
Package ocl-icd-libopencl1 has both conflicts and replaces on 
nvidia-libopencl1-dev, but this package no longer exists.
 From what I can glean from the changelogs (excerpts follow), the 
unversioned libOpenCL.so symlink was removed from package 
nvidia-libopencl1-dev, built by nvidia-graphics-drivers, and is now 
shipped in package nvidia-opencl-dev, built by nvidia-cuda-toolkit.

I attach a new patch for ocl-icd which seems to do the right thing now.

nvidia-graphics-drivers (256.53-2) experimental; urgency=low

   * Drop libcuda1-dev and nvidia-libopencl1-dev packages, move libOpenCL.so
     link to nvidia-libopencl1.  libcuda1 and nvidia-libopencl1 
Conflicts and
     Replaces their old -dev packages for clean upgrades without 

  -- Andreas Beckmann <debian at abeckmann.de>  Mon, 11 Oct 2010 14:50:06 +0200

nvidia-graphics-drivers (304.88-7) unstable; urgency=low

   * nvidia-libopencl1.links: Stop shipping libOpenCL.so, will be moved to

  -- Andreas Beckmann <anbe at debian.org>  Sat, 17 Aug 2013 14:41:44 +0200

nvidia-cuda-toolkit (5.0.35-7) unstable; urgency=low

   * nvidia-opencl-dev: Provides/Conflicts/Replaces: opencl-dev.
   * nvidia-opencl-dev: Set Multi-Arch: same.
     - Ship libOpenCL.so symlink previously in nvidia-libopencl1.
       (Closes: #719833)
     - Tighten the dependency on nvidia-libopencl1.
   * nvidia-cuda-toolkit: Allow opencl-dev as an alternative to
     nvidia-opencl-dev. (Closes: #719834)

  -- Andreas Beckmann <anbe at debian.org>  Sat, 17 Aug 2013 06:48:53 +0200

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