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

[gnulib.git] / lib / wchar_.h

diff --git a/lib/wchar_.h b/lib/wchar_.h
index 7a93d07..1d52b1d 100644 (file)
--- a/lib/wchar_.h
+++ b/lib/wchar_.h
@@ -25,13 +25,7 @@
  * For now, this just ensures proper prerequisite inclusion order.
  */
 
-#if defined __DECC && __DECC_VER >= 60000000
-# include <stdio.h>
-# include_next <wchar.h>
-#endif
-
 #ifndef _GL_WCHAR_H
-#define _GL_WCHAR_H
 
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.
@@ -41,9 +35,15 @@
 #include <stdio.h>
 #include <time.h>
 
-/* Include the original <wchar.h>.  */
-#if !(defined __DECC && __DECC_VER >= 60000000)
-# include @ABSOLUTE_WCHAR_H@
+/* Include the original <wchar.h> if it exists.
+   Some builds of uClibc lack it.  */
+/* The include_next requires a split double-inclusion guard.  */
+#if @HAVE_WCHAR_H@
+# @INCLUDE_NEXT@ @NEXT_WCHAR_H@
 #endif
 
+#ifndef _GL_WCHAR_H
+#define _GL_WCHAR_H
+
+#endif /* _GL_WCHAR_H */
 #endif /* _GL_WCHAR_H */