gnat gcc segmentation fault under Yosemite

Roger Mc Murtrie <[email protected]> Wed, 5 Nov 2014 18:37:57 +1100
Newsgroups gmane.comp.ide.gps.user
Message-ID <[email protected]>
gnat-gpl-2014-x86_64-darwin-bin
Since upgrading my mac to OS X 10.10 /usr/local/gnat/bin/gcc -v produces a segmentation fault 11.
Attempts to compile produce: gprbuild: *** compilation phase failed with no explanation as to what caused the failure.
Web searching reveals that this is a common problem with  OS X 10.10.