Building with the attached random configuration file,
fs/open.c: In function ‘SYSC_fchmod’:
fs/open.c:530:3: error: implicit declaration of function ‘audit_file’
[-Werror=implicit-function-declaration]
audit_file(f.file);
^
cc1: some warnings being treated as errors
make[1]: *** [fs/open.o] Error 1