#42950: root: cannot open file "AvailabilityMacros.h" -------------------------+----------------------------------- Reporter: gh_tuhep@… | Owner: mattiafrancescomoro@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.2.1 Resolution: | Keywords: Port: root | -------------------------+----------------------------------- Comment (by jonesc@…): The OP almost certainly has not properly installed Xcode. http://root.cern.ch/phpBB3/viewtopic.php?f=3&t=17190&start=75 Install Xcode, and then run {{{ xcode-select --install }}} Chris -- Ticket URL: <https://trac.macports.org/ticket/42950#comment:2> MacPorts <http://www.macports.org/> Ports system for OS X