Define fallbacks for missing isw* functions on FreeBSD 4.x.

[gnulib.git] / m4 / mbchar.m4

diff --git a/m4/mbchar.m4 b/m4/mbchar.m4
index df351a6..ec4cbab 100644 (file)
--- a/m4/mbchar.m4
+++ b/m4/mbchar.m4
@@ -1,5 +1,5 @@
-# mbchar.m4 serial 2
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# mbchar.m4 serial 3
+dnl Copyright (C) 2005-2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -16,5 +16,7 @@ AC_DEFUN([gl_MBCHAR],
   dnl Compile mbchar.c only if HAVE_WCHAR_H && HAVE_WCTYPE_H.
   if test $ac_cv_header_wchar_h = yes && test $ac_cv_header_wctype_h = yes; then
     AC_LIBOBJ([mbchar])
+    dnl Prerequisites of mbchar.h and mbchar.c.
+    AC_CHECK_FUNCS([iswcntrl])
   fi
 ])