X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fwctype_h.m4;h=bc6b6e791438c81de55e934b305bdd51dbe0e44c;hb=423d3cac13c30bb0d5f85e5fac6ab1406ed1731a;hp=329245147797273006eea0c3207487d7c249a854;hpb=cbe58fc8e512953696f9b034afbe7807eaed7fe6;p=gnulib.git

diff --git a/m4/wctype_h.m4 b/m4/wctype_h.m4
index 329245147..bc6b6e791 100644
--- a/m4/wctype_h.m4
+++ b/m4/wctype_h.m4
@@ -1,4 +1,4 @@
-# wctype_h.m4 serial 6
+# wctype_h.m4 serial 8
 
 dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
 
@@ -21,12 +21,21 @@ AC_DEFUN([gl_WCTYPE_H],
   fi
   AC_SUBST([HAVE_ISWCNTRL])
   AC_CHECK_FUNCS_ONCE([iswblank])
+  AC_CHECK_DECLS_ONCE([iswblank])
   if test $ac_cv_func_iswblank = yes; then
     HAVE_ISWBLANK=1
+    REPLACE_ISWBLANK=0
   else
     HAVE_ISWBLANK=0
+    if test $ac_cv_have_decl_iswblank = yes; then
+      REPLACE_ISWBLANK=1
+    else
+      REPLACE_ISWBLANK=0
+    fi
   fi
   AC_SUBST([HAVE_ISWBLANK])
+  AC_SUBST([REPLACE_ISWBLANK])
+
   AC_CHECK_HEADERS_ONCE([wctype.h])
   AC_REQUIRE([AC_C_INLINE])