anchor.diff:  , libGLU
   , libGL
   , libxml2
  +, llvm_9
   , lz4
   , xz
   , pcre
  
positive.code:     "-DCMAKE_CXX_STANDARD=17"
      "-DCMAKE_INSTALL_LIBDIR=lib"
      "-DCMAKE_INSTALL_INCLUDEDIR=include"
      "-Dbuiltin_nlohmannjson=OFF"
      "-Dbuiltin_openui5=OFF"
      "-Dalien=OFF"
  
negative.code: { stdenv
  , lib
  , fetchurl
  , fetchpatch
  , makeWrapper
  , cmake
  , git
  