--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sys-libs/ncurses-compat/files/ncurses-5.7-nongnu.patch	Fri Feb 19 15:12:30 2021 +0000
@@ -0,0 +1,11 @@
+--- ncurses-5.7/ncurses/curses.priv.h
++++ ncurses-5.7/ncurses/curses.priv.h
+@@ -1452,6 +1452,8 @@ extern NCURSES_EXPORT(void) _nc_expanded
+ 
+ /* charable.c */
+ #if USE_WIDEC_SUPPORT
++#include <wchar.h>
++
+ extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
+ extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
+ extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);