http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54696
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |build Status|UNCONFIRMED |NEW Last reconfirmed| |2012-09-25 CC| |bonzini at gnu dot org Component|c |bootstrap Summary|Makefile doesn't propagate |Makefile doesn't propagate |CPPFLAGS properly |CPPFLAGS to host libraries Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-25 07:32:57 UTC --- CCPFLAGS is not in HOST_EXPORTS (it is in TARGET_EXPORTS, via CPPFLAGS_FOR_TARGET). Some host sub-dirs explicitely pass CPPFLAGS as they adjust them, such as for in-tree gmp/mpfr/cloog/isl, etc. Thus, confirmed.