anchor.diff:          };
   
           pdo_mysql = {
  -          configureFlags = ["--with-pdo-mysql=${mysqlHeaders}"];
  -          buildInputs = [ mysqlHeaders ];
  +          configureFlags = ["--with-pdo-mysql=${if mysqlndSupport then "mysqlnd" else mysqlHeaders}"];
  +          buildInputs = mysqlBuildInputs;
           };
   
           bcmath = {
  
positive.code: 
      let php7 = lib.versionAtLeast version "7.0";
          mysqlHeaders = mysql.lib.dev or mysql;
  
      in composableDerivation.composableDerivation {} (fixed: {
  
  
negative.code:         };
  
          mysql = {
            configureFlags = ["--with-mysql${if mysqlndSupport then "=mysqlnd" else ""}"];
            buildInputs = mysqlBuildInputs;
          };
  
          mysqli = {
            configureFlags = ["--with-mysqli=${if mysqlndSupport then "mysqlnd" else "${mysqlHeaders}/bin/mysql_config"}"];
            buildInputs = mysqlBuildInputs;
          };
  
          mysqli_embedded = {
  