#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
+@PRAGMA_COLUMNS@
#if defined __need_mbstate_t || defined __need_wint_t || (defined __hpux && ((defined _INTTYPES_INCLUDED && !defined strtoimax) || defined _GL_JUST_INCLUDE_SYSTEM_WCHAR_H)) || defined _GL_ALREADY_INCLUDING_WCHAR_H
/* Special invocation convention:
#define _GL_ALREADY_INCLUDING_WCHAR_H
+#if @HAVE_FEATURES_H@
+# include <features.h> /* for __GLIBC__ */
+#endif
+
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
<wchar.h>.
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
/* The definition of _GL_WARN_ON_USE is copied here. */
-/* Define wint_t. (Also done in wctype.in.h.) */
+/* Define wint_t and WEOF. (Also done in wctype.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
_GL_FUNCDECL_RPL (wcwidth, int, (wchar_t));
_GL_CXXALIAS_RPL (wcwidth, int, (wchar_t));
# else
-# if !defined wcwidth && !@HAVE_DECL_WCWIDTH@
+# if !@HAVE_DECL_WCWIDTH@
/* wcwidth exists but is not declared. */
_GL_FUNCDECL_SYS (wcwidth, int, (wchar_t));
# endif