anchor.diff:      };
       sourceRoot = ".";
   
  -    buildInputs = [ libmysql postgresql sqlite ];
  +    buildInputs = [ mysql.connector-c postgresql sqlite ];
   
       preConfigure = ''
         substituteInPlace Makefile --replace CC=gcc CC=cc
  
positive.code: { fetchurl, fetchzip, stdenv, lua, callPackage, unzip, zziplib, pkgconfig, libtool
  , pcre, oniguruma, gnulib, tre, glibc, sqlite, openssl, expat, cairo
  , perl, gtk2, python, glib, gobjectIntrospection, libevent, zlib, autoreconfHook
  , libmysql, postgresql, cyrus_sasl
  , fetchFromGitHub, libmpack, which
  }:
  
  
negative.code:     '';
  
      NIX_CFLAGS_COMPILE = [
        "-I${mysql.connector-c}/include/mysql"
        "-L${mysql.connector-c}/lib/mysql"
        "-I${postgresql}/include/server"
      ];
  
  