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luxcorerender: fix compilation #101195

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@jmpunkt jmpunkt commented Oct 20, 2020

Nix overwrites the include path for the OpenCL headers. However, the
overwrite does not include the required headers. The compilation fails
due to missing header files (<CL/cl.hpp>). Removing the overwrite
allows CMake to find the required headers.

Motivation for this change

Luxcorerender currently can not be build from master and fails on Hydra 20.09. Should be backported after being merged.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.
Nix overwrites the include path for the OpenCL headers. However, the
overwrite does not include the required headers. The compilation fails
due to missing header files (<CL/cl.hpp>). Removing the overwrite
allows CMake to find the required headers.
@jmpunkt
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@jmpunkt jmpunkt commented Oct 20, 2020

Does not fix the problem. CMake silently disables OpenCL (prints an error message but does not fail). Looking further into this and create a new PR if the problem is solved.

@jmpunkt jmpunkt closed this Oct 20, 2020
@jmpunkt jmpunkt deleted the luxcorerender-fix-compilation branch Nov 13, 2020
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2 participants