X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fdup2.m4;h=dec27faeeb9ca8454a99b8c2deec7a6c76c6fbf4;hb=55b49420fc3ae8860ed66a85645b2b4d171646dc;hp=6385b0ced34af3f5ead4bf905f555a82e507056e;hpb=607acaa3c38fa32e0765847c85362183b5dc46ac;p=gnulib.git

diff --git a/m4/dup2.m4 b/m4/dup2.m4
index 6385b0ced..dec27faee 100644
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,5 +1,5 @@
-#serial 15
-dnl Copyright (C) 2002, 2005, 2007, 2009-2011 Free Software Foundation, Inc.
+#serial 17
+dnl Copyright (C) 2002, 2005, 2007, 2009-2012 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.
@@ -67,13 +67,12 @@ AC_DEFUN([gl_FUNC_DUP2],
   m4_ifdef([gl_FUNC_FCHDIR], [
     gl_TEST_FCHDIR
     if test $HAVE_FCHDIR = 0; then
-      REPLACE_DUP2=1
+      if test $HAVE_DUP2 = 1; then
+        REPLACE_DUP2=1
+      fi
     fi
   ])
 ])
 
 # Prerequisites of lib/dup2.c.
-AC_DEFUN([gl_PREREQ_DUP2],
-[
-  AC_REQUIRE([AC_C_INLINE])
-])
+AC_DEFUN([gl_PREREQ_DUP2], [])