http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52378
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2012-02-25 Ever Confirmed|0 |1 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-02-25 07:46:51 UTC --- >./configure I bet this is just a problem with you building in the src directory. This is not always supported and not always 100% working. Can you try building in an object directory? Also do you have flex since that is required while building from subversion (but not from the release tarballs)?