/* The definition of _GL_WARN_ON_USE is copied here. */
-/* Define wint_t. (Also done in wchar.in.h.) */
+/* Define wint_t and WEOF. (Also done in wchar.in.h.) */
#if !@HAVE_WINT_T@ && !defined wint_t
# define wint_t int
# ifndef WEOF
# define WEOF -1
# endif
+#else
+# ifndef WEOF
+# define WEOF ((wint_t) -1)
+# endif
#endif