* m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST

[gnulib.git] / lib / wctype_.h

diff --git a/lib/wctype_.h b/lib/wctype_.h
index 6a3c056..73ce09f 100644 (file)
--- a/lib/wctype_.h
+++ b/lib/wctype_.h
@@ -27,9 +27,8 @@
  */
 
 #ifndef _GL_WCTYPE_H
-#define _GL_WCTYPE_H
 
-#if @HAVE_WINT_T@ - 0
+#if @HAVE_WINT_T@
 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.
    Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.
@@ -39,20 +38,27 @@
 # include <stdio.h>
 # include <time.h>
 # include <wchar.h>
-typedef wint_t __wctype_wint_t;
-#else
-typedef int __wctype_wint_t;
 #endif
 
 /* Include the original <wctype.h> if it exists.
    BeOS 5 has the functions but no <wctype.h>.  */
+/* The include_next requires a split double-inclusion guard.  */
 #if @HAVE_WCTYPE_H@
-# include @ABSOLUTE_WCTYPE_H@
+# @INCLUDE_NEXT@ @NEXT_WCTYPE_H@
+#endif
+
+#ifndef _GL_WCTYPE_H
+#define _GL_WCTYPE_H
+
+#if @HAVE_WINT_T@
+typedef wint_t __wctype_wint_t;
+#else
+typedef int __wctype_wint_t;
 #endif
 
 /* FreeBSD 4.4 to 4.11 has <wctype.h> but lacks the functions.
    Assume all 12 functions are implemented the same way, or not at all.  */
-#if ! HAVE_ISWCNTRL
+#if ! @HAVE_ISWCNTRL@
 
 /* IRIX 5.3 has macros but no functions, its isw* macros refer to an
    undefined variable _ctmp_ and to <ctype.h> macros like _P, and they
@@ -152,3 +158,4 @@ iswxdigit (__wctype_wint_t wc)
 # endif /* ! HAVE_ISWCNTRL */
 
 #endif /* _GL_WCTYPE_H */
+#endif /* _GL_WCTYPE_H */