X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fisapipe.m4;h=2c94aef996f0031d11ac61ac84f2668daee75630;hb=da8054d48dc22e1c051db54049e005d51a006e69;hp=76402ff89a209b492ddcc7795af08dddc3fbb340;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/m4/isapipe.m4 b/m4/isapipe.m4
index 76402ff89..2c94aef99 100644
--- a/m4/isapipe.m4
+++ b/m4/isapipe.m4
@@ -1,6 +1,6 @@
 # Test whether a file descriptor is a pipe.
 
-dnl Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
+dnl Copyright (C) 2006, 2009-2013 Free Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,9 +11,11 @@ dnl Written by Paul Eggert.
 AC_DEFUN([gl_ISAPIPE],
 [
   # OpenVMS has isapipe already, so check for it.
-  AC_REPLACE_FUNCS([isapipe])
-  if test $ac_cv_func_isapipe = no; then
-    gl_PREREQ_ISAPIPE
+  AC_CHECK_FUNCS([isapipe])
+  if test $ac_cv_func_isapipe = yes; then
+    HAVE_ISAPIPE=1
+  else
+    HAVE_ISAPIPE=0
   fi
 ])