[root@werdau linux]# make vmlinux >compile_output setup.c: In function 'Parse_bootinfo': setup.c:450: 'BI_FIRST' undeclared (first use in this function) setup.c:450: (Each undeclared identifier is reported only once setup.c:450: for each function it appears in.) setup.c:465: 'BI_CMD_LINE' undeclared (first use in this function) setup.c:468: 'BI_SYSMAP' undeclared (first use in this function) setup.c:484: 'BI_MEMSIZE' undeclared (first use in this function) setup.c:466: warning: unreachable code at beginning of switch statement make[1]: *** [setup.o] Error 1 make: *** [_dir_arch/ppc/kernel] Error 2 [root@werdau linux]#