Gxplugins-Lv2: 0.8 -> 0.9

[magnetophon]

Motivation for this change

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/)
• Added a release notes entry if the change is major or breaking
• Fits CONTRIBUTING.md.

[r-rmcgibbo]

Result of nixpkgs-review pr 124066 at 3a46c41f run on x86_64-linux 1

1 package built successfully:

• gxplugins-lv2

2 suggestions:

• warning: unclear-gpl

  gpl3 is a deprecated license, please check if project uses gpl3Plus or gpl3Only and change meta.license accordingly.

  Near pkgs/applications/audio/gxplugins-lv2/default.nix:32:5:

     |
  32 |     license = licenses.gpl3;
     |     ^
  

• warning: missing-phase-hooks

  configurePhase should probably contain runHook preConfigure and runHook postConfigure.

  Near pkgs/applications/audio/gxplugins-lv2/default.nix:22:3:

     |
  22 |   configurePhase = ''
     |   ^
  

[github-actions]

Successfully created backport PR #124937 for release-21.05.