eww easy-menu fixes

[gnu-emacs] / m4 / putenv.m4

diff --git a/m4/putenv.m4 b/m4/putenv.m4
index 9de53527a73e346ef2b5d65c9b8efcdc6af2d4ac..c33b5b5170e8e45e9ea044a8169c5ed3045cad3d 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])
+])