Merge commit '58147d67806e1f54c447d7eabac35b1a5086c3a6'

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

diff --git a/m4/putenv.m4 b/m4/putenv.m4
index b971b12..03ed4f9 100644 (file)
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,5 +1,5 @@
 # putenv.m4 serial 19
-dnl Copyright (C) 2002-2012 Free Software Foundation, Inc.
+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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -48,3 +48,9 @@ AC_DEFUN([gl_FUNC_PUTENV],
       ;;
   esac
 ])
+
+# Prerequisites of lib/putenv.c.
+AC_DEFUN([gl_PREREQ_PUTENV],
+[
+  AC_CHECK_FUNCS([_putenv])
+])