X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fbyteswap.m4;h=2d4de4659f0a0f670fcbe3ea555f02c89ffcc8d4;hb=279067b9021cfd0935711cae3f3297ae4b3808af;hp=a033acd8da877d35e3d6ae446ed704aa133c0551;hpb=d599e5add275f75ed08e6527b8ee4d3f4f7c3aea;p=gnulib.git

diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
index a033acd8d..2d4de4659 100644
--- a/m4/byteswap.m4
+++ b/m4/byteswap.m4
@@ -1,4 +1,4 @@
-# byteswap.m4 serial 3
+# byteswap.m4 serial 4
 dnl Copyright (C) 2005, 2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -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"])
 ])