2013-10-14 Robert Dewar <dewar@adacore.com>
* gnat_ugn.texi: Document -gnateu switch.
* opt.ads (Ignore_Unrecognized_VWY_Switches): New switch.
* stylesw.adb: Ignore unrecognized switch if
Ignore_Unrecognized_VWY_Switches set.
* switch-c.adb: Implement -gnateu (sets
Ignore_Unrecognized_VWY_Switches).
* validsw.adb: Ignore unrecognized switch if
Ignore_Unrecognized_VWY_Switches set.
* warnsw.adb: Ignore unrecognized switch if
Ignore_Unrecognized_VWY_Switches set.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203536 138bc75d-0d04-0410-961f-82ee72b054a4