maint: update all copyright year number ranges

[gnulib.git] / m4 / byteswap.m4

diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
index a033acd..7566903 100644 (file)
--- a/m4/byteswap.m4
+++ b/m4/byteswap.m4
@@ -1,5 +1,5 @@
-# byteswap.m4 serial 3
-dnl Copyright (C) 2005, 2007, 2009-2011 Free Software Foundation, Inc.
+# byteswap.m4 serial 4
+dnl Copyright (C) 2005, 2007, 2009-2013 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.
@@ -15,4 +15,5 @@ AC_DEFUN([gl_BYTESWAP],
     BYTESWAP_H='byteswap.h'
   ])
   AC_SUBST([BYTESWAP_H])
+  AM_CONDITIONAL([GL_GENERATE_BYTESWAP_H], [test -n "$BYTESWAP_H"])
 ])