X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fisapipe.m4;h=2c94aef996f0031d11ac61ac84f2668daee75630;hb=6e5f53c09490a510344a65d26f5e3989a048fcdf;hp=fc6f621bf685baae75f22ed67ab80866b1945060;hpb=1f8c872f267bc608644d6de67aa5fab6285a8533;p=gnulib.git

diff --git a/m4/isapipe.m4 b/m4/isapipe.m4
index fc6f621bf..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, 2009-2010 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
 ])