I posted build instructions and configuration files to gist https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e
guac_build.md: https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e#file-guac_build-md guacamole.properties: https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e#file-guacamole-properties user-mapping.xml: https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e#file-user-mapping-xml proxy.nginx.conf: https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e#file-proxy-nginx-conf And the patch applied to 0.9.14 to eliminate the build error on Ubuntu 18.04 https://gist.github.com/adilinden/41c0c5c4aaca301260e5980dc4e0ef1e#file-ubuntu-18-04-amd64-20181012-patch Thanks, Adi