anchor.diff:    sofia_sip = callPackage ../development/libraries/sofia-sip { };
   
     soil = callPackage ../development/libraries/soil { };
  -  
  +
     sonic = callPackage ../development/libraries/sonic { };
   
     soprano = callPackage ../development/libraries/soprano { };
  
positive.code:   };
  
    clang = llvmPackages.clang;
  
    clang-sierraHack = clang.override {
      name = "clang-wrapper-with-reexport-hack";
  
negative.code:   lldb_6 = llvmPackages_6.lldb;
  
    llvm = llvmPackages.llvm;
    llvm-manpages = llvmPackages.llvm-manpages;
  
    llvm_6  = llvmPackages_6.llvm;
    llvm_5  = llvmPackages_5.llvm;
  