#52326: gmp @6.1.1: error: C++ compiler not available, see config.log for details ------------------------------+------------------------ Reporter: alexmartin715@… | Owner: mcalhoun@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.3.4 Resolution: | Keywords: sierra Port: gmp | ------------------------------+------------------------ Comment (by arthur.michaut@…): You are right. I completely removed the old version by removing /opt/local and installed the new version. The installation of the gmp port went smoothly afterwards. Problem solved for me. -- Ticket URL: <https://trac.macports.org/ticket/52326#comment:9> MacPorts <https://www.macports.org/> Ports system for macOS