Per the instructions [^1], we are directed to berndhahnebach's fork[^2] in order to learn how to build ifc++ on Linux. But as we can see it's dated:  Are these instructions still accurate and does ifc++ build correctly ? [^1]: https://github.com/ifcquery/ifcplusplus/wiki/Build-instructions#linux [^2]: https://github.com/berndhahnebach/ifcplusplus