anchor.diff:    enableParallelChecking = false;
     checkInputs = [ perl ];
   
  +  GTEST_FILTER =
  +    let
  +      filteredTests = lib.optionals stdenv.hostPlatform.isMusl [
  +        "Symbolize.SymbolizeStackConsumption"
  +        "Symbolize.SymbolizeWithDemanglingStackConsumption"
  +      ] ++ lib.optionals stdenv.hostPlatform.isStatic [
  +        "LogBacktraceAt.DoesBacktraceAtRightLineWhenEnabled"
  +      ];
  +    in
  +    lib.optionalString doCheck "-${builtins.concatStringsSep ":" filteredTests}";
  +
     meta = with lib; {
       homepage = "https://github.com/google/glog";
       license = licenses.bsd3;
  
positive.code: { stdenv, lib, fetchFromGitHub, cmake, gflags, perl }:
  
  stdenv.mkDerivation rec {
    pname = "glog";
  
negative.code: 
    nativeBuildInputs = [ cmake ];
  
    buildInputs = [ gtest ];
  
    propagatedBuildInputs = [ gflags ];
  
    cmakeFlags = [
  