hash: deprecate poorly-named hash_insert0: use hash_insert_if_absent

[gnulib.git] / m4 / dup2.m4

diff --git a/m4/dup2.m4 b/m4/dup2.m4
index 6385b0c..cd9d254 100644 (file)
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,4 +1,4 @@
-#serial 15
+#serial 16
 dnl Copyright (C) 2002, 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,
@@ -73,7 +73,4 @@ AC_DEFUN([gl_FUNC_DUP2],
 ])
 
 # Prerequisites of lib/dup2.c.
-AC_DEFUN([gl_PREREQ_DUP2],
-[
-  AC_REQUIRE([AC_C_INLINE])
-])
+AC_DEFUN([gl_PREREQ_DUP2], [])