http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54042
Steven Bosscher <steven at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |steven at gcc dot gnu.org Resolution| |INVALID --- Comment #1 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-20 13:43:53 UTC --- Creating a PCH is not always possible. You can have only one PCH per project. See http://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Precompiled-Headers.html