anchor.diff:        nvidia_lib_install 0 0 'libOpenCL' '1' '1.0.0'
         # NVIDIA ICD
         nvidia_lib_install 0 0 'libnvidia-opencl'
  -    '' + /* Linux kernel, userspace driver config library */ ''
  -      nvidia_lib_install 0 0 'libnvidia-cfg'
       '' + /* Wrapped software rendering library */ optionalString (!libsOnly) ''
  -      nvidia_lib_install 0 0 'libnvidia-wfb' '-' "${version}" 'xorg/modules'
  +      nvidia_lib_install 0 417 'libnvidia-wfb' '-' "${version}" 'xorg/modules'
         # TODO: figure out symlink libwfb -> libnvidia-wfb
       '' + /* Framebuffer capture library */ ''
         nvidia_lib_install 0 0 'libnvidia-fbc'
  
positive.code:     ## Headers
      #
      /* OpenGL headers */ optionalString (!libsOnly) ''
        nvidia_header_install 0 0 'gl' 'GL'
        nvidia_header_install 0 0 'glext' 'GL'
        nvidia_header_install 0 0 'glx' 'GL'
        nvidia_header_install 0 0 'glxext' 'GL'
      '' +
      #
      ## Executables
  
negative.code:       maxXorgVersion = "1.19";
      };
      long-lived = {
        versionMajor = "418";
        versionMinor = "43";
        sha256i686   = "GL4sg97jMjvVf+d/3bu71ddgraZ0eB+5s5Mh5jhqMn8=";
        sha256x86_64 = "VctBDFM39GpIY2wr1ey0K/H0NnBZOU43Sxao8GfeMYc=";
        maxLinuxVersion = "4.20";
        maxXorgVersion = "1.20";
      };
      short-lived = {
  