spirv-headers 1.6.1+1.3.239.0-1 (s390x binary) in ubuntu lunar

 This package includes:
  - Header files for various languages
  - JSON files describing the grammar for the SPIR-V core instruction
    set and the extended instruction sets.
  - The XML registry file.
 .
 For more info, see https://github.com/KhronosGroup/SPIRV-Headers