# XQilla XPath interface for s1kd-brexcheck To set up XQilla for use with s1kd-brexcheck, do the following: 1. Ensure [Xerces-C](https://xerces.apache.org/xerces-c/) and [XQilla](http://xqilla.sourceforge.net) are installed. - **Linux:** Both are available in major package managers. - **Cygwin:** Xerces-C is available in the standard package manager. XQilla binaries can be download [here](https://khzae.net/1/s1000d/xml/xqilla). 2. Enable XQilla when building: ``` $ make XPATH2_ENGINE=XQILLA ```