lfs@ws01:/mnt/lfs/sources/binutils-build$ cc dummy.c
/tools/lib/libc.so.6: undefined reference to `__libc_stack_end@GLIBC_2.1'
/tools/lib/libc.so.6: undefined reference to `_rtld_global_ro@GLIBC_PRIVATE'
collect2: ld returned 1 exit status