Now, the only usage of GCC_WARN is for the guard of PRINTF_F in wincurs.h. This guard can be removed safely, as PRINTF_F is already used unconditionally in extern.h.
Now, the only usage of GCC_WARN is for the guard of PRINTF_F in wincurs.h. This guard can be removed safely, as PRINTF_F is already used unconditionally in extern.h.