http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61101
--- Comment #18 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Maxime Boissonneault from comment #13) > I see that. > > Wasn't the GCC 4.8.1 compiler supposed to already know to look in the folder > /software6/compilers/gcc/4.8.1/include/c++/4.8.1/x86_64-unknown-linux-gnu/ > to find bits/c++config.h ? > > Do I need to manually add that to the CPATH ? No. It should be found, so something is wrong.