Option -H has been replaced by -S (in cmake 3.13) #187

• I've read Brief overview section and do understand basic concepts. [Yes]
• I've read F.A.Q. section and haven't found an answer to my question. [Yes]
• I've read Code of Conduct, I promise to be polite and will do my best at being constructive. [Yes]

All the documentation is using -H but this has been replaced in 3.13 with the official source directory flag of -S:

https://cgold.readthedocs.io/en/latest/glossary/-H.html