http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47549
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|driver |preprocessor --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-01-31 20:08:24 UTC --- >cc1: error: failure to convert gbk to UTF-8 The preprocessor is only really know how to convert UTF-8 to/from UTF16/32 LE/BE without the help from the host's iconv. Your host's iconv is what is failing to do the conversion. I doubt this is a GCC bug.