http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55915
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2013-11-19 Ever confirmed|0 |1 --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Yves Caniou from comment #3) > I have the same problem when compiling gcc-4.8.2 with gcc version 4.6.3 > (Ubuntu/Linaro 4.6.3-1ubuntu5) on Xeon(R) CPU W3670 @ 3.20GHz > Note that with the exact same process, I have been able to compile gcc-4.8.2 > with gcc 4.7.2 (debian). Do you have a zlib.h installed? For the original issue here, I think you need to use BOOT_CFLAGS and maybe BOOT_CXXFLAGS.