Merge from emacs-24; up to 2012-12-26T16:22:18Z!michael.albinus@gmx.de

[bpt/emacs.git] / m4 / putenv.m4

diff --git a/m4/putenv.m4 b/m4/putenv.m4
index 9de5352..c33b5b5 100644 (file)
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,4 +1,4 @@
-# putenv.m4 serial 19
+# putenv.m4 serial 20
 dnl Copyright (C) 2002-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -48,3 +48,9 @@ AC_DEFUN([gl_FUNC_PUTENV],
       ;;
   esac
 ])
+
+# Prerequisites of lib/putenv.c.
+AC_DEFUN([gl_PREREQ_PUTENV],
+[
+  AC_CHECK_DECLS([_putenv])
+])