http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47814
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-23 09:25:10 UTC --- lexer_line as well as the other problematic symbols are defined in gengtype-lex.c: nm build/gengtype-lex.o | egrep 'yybegin|yyend|lexer_line' 0000000000000030 B lexer_line 0000000000002e38 T yybegin 0000000000002e9d T yyend which is generated from gengtype-lex.l. Are you sure you don't have buggy or not installed flex?