Prerequisites for using uSCXML as the SCXML engine

Instead of QtSCXML, uSCXML can be used as the SCXML engine. In that case, the following packages need to be installed.

uscxml: another SCXML processor developed at Technische Universität Darmstadt
1. download from github
  run: git clone https://github.com/tklab-tud/uscxml
2. install the peripheral library packages listed below, if necessary
3. build and install
  run: cd uscxml; mkdir _build; cd _build; cmake .. && make && make install
refer also to the detailed instruction
Peripheral libraries for uscxml
run: apt-get install libevent-dev libxerces-c-dev libssl-dev libcurl4-openssl-dev liburiparser-dev
JavaScriptCore: JavaScript processor developed by Apple
run: apt-get install libjavascriptcoregtk-4.0-dev
(alt: apt-get install libv8-3.14.5 libv8-dev to use google v8)

Build