fb3-1.lex.c:(.text+0x2bd): undefined reference to `yylval' /tmp/cclBqnOk.o: In function `main': fb3-1funcs.c:(.text+0x420): undefined reference to `yyparse' collect2: ld returned 1 exit status I've got four source files: fb3-1.h: /* * Declarations for calculator fb3-1 ...
Very weird that they do not even bother test their own examples... Part of the question is solved inUndefined reference to yyparse (flex & bison)but not everything. See the errataunconfirmed page.