When I ask to see the current version of cc I get this.
$ cc --versioncc (Ubuntu/Linaro 4.7.2-2ubuntu1) 4.7.2Copyright (C) 2012 Free Software Foundation, Inc.This is free software; see the source for copying conditions. There is NOwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.$
What I would like to know is which of c89, c90, c99 or c11 is being used.