anchor.diff:        };
   
         pdo_mysql = {
  -        configureFlags = ["--with-pdo-mysql=${mysql}"];
  -        buildInputs = [ mysql ];
  +        configureFlags = ["--with-pdo-mysql=${mysql.lib}"];
  +        buildInputs = [ mysql.lib ];
         };
   
         bcmath = {
  
positive.code: 
    enableParallelBuilding = true;
  
    buildInputs = ["flex" "bison" "pkgconfig"];
  
    flags = {
  
  
negative.code: 
        openssl = {
          configureFlags = ["--with-openssl=${openssl}"];
          buildInputs = [openssl];
        };
  
        mbstring = {
  