anchor.diff:  
     enableParallelBuilding = true;
   
  -  buildInputs = ["flex" "bison" "pkgconfig"];
  +  buildInputs = [flex bison pkgconfig];
   
     flags = {
   
  
positive.code: 
        openssl = {
          configureFlags = ["--with-openssl=${openssl}"];
          buildInputs = ["openssl"];
        };
  
        mbstring = {
  
negative.code:       };
  
        mysql = {
          configureFlags = ["--with-mysql=${mysql.lib}"];
          buildInputs = [ mysql.lib ];
        };
  
        mysqli = {
          configureFlags = ["--with-mysqli=${mysql}/bin/mysql_config"];
          buildInputs = [ mysql.lib ];
        };
  
        mysqli_embedded = {
  