Hi Neil, https://stackoverflow.com/questions/7859623/how-do-i-use-cmake HTH, Ian -- -- ACCU - Professionalism in programming - http://www.accu.org -- My writing - https://sites.google.com/site/ianbruntlett/ -- Free Software page - https://github.com/ian-bruntlett/TECH-Manuals/blob/main/tm-free-software.md