CC libc/misc/locale/nl_langinfo.os
  CC libc/misc/mntent/mntent.os
  CC libc/misc/regex/regex.os
In file included from libc/misc/regex/regex.c:143:
libc/misc/regex/regex_internal.c:265: error: conflicting types for 'build_wcs_upper_buffer'
libc/misc/regex/regex_internal.h:389: error: previous declaration of 'build_wcs_upper_buffer' was here
make[1]: *** [libc/misc/regex/regex.os] Error 1
make: *** [lib/libc.so.0] Error 2
FATAL: oe_runmake failed
ERROR: Function do_compile failed