[MacPorts] #44224: root5: fails to compile with libc++ on 10.7 (error: no matching function for call to 'isnan')

#44224: root5: fails to compile with libc++ on 10.7 (error: no matching function for call to 'isnan') ---------------------+---------------------- Reporter: mojca@… | Owner: jonesc@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: Keywords: lion | Port: root5 ---------------------+---------------------- ROOT 5 fails to build with `libc++` on Lion: * https://sft.its.cern.ch/jira/browse/ROOT-6441 -- Ticket URL: <https://trac.macports.org/ticket/44224> MacPorts <http://www.macports.org/> Ports system for OS X