egcs on SINIX installs a stddef.h which conflicts with the system /usr/include/wchar.h: /usr/include/wchar.h:41: conflicting types for `wint_t' /home/jcarr/lib/gcc-lib/mips-sni-sysv4/egcs-2.90.10/include/stddef.h:267: previous declaration of `wint_t' <wchar.h> declares wint_t = int. stddef.h declares wint_t = unsigned int.