cxxopts Engine/Source/ThirdParty/ShaderConductor cxxopts is used within ShaderConductor. ShaderConductor It's a tool designed for cross-compiling HLSL to other shading languages https://github.com/jarro2783/cxxopts/blob/master/LICENSE Licensees Git P4 /Engine/Source/ThirdParty/Licenses/cxxopts_License.txt