strtoumax: fix typo in previous commit.

[gnulib.git] / m4 / nonblocking.m4

diff --git a/m4/nonblocking.m4 b/m4/nonblocking.m4
index 8224626..24905a8 100644 (file)
--- a/m4/nonblocking.m4
+++ b/m4/nonblocking.m4
@@ -1,11 +1,13 @@
-# nonblocking.m4 serial 1
-dnl Copyright (C) 2011 Free Software Foundation, Inc.
+# nonblocking.m4 serial 2
+dnl Copyright (C) 2011-2013 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.
 
 dnl Tests whether non-blocking I/O is natively supported by read(), write().
 dnl Sets gl_cv_have_nonblocking.
+dnl Also tests whether open() supports O_NONBLOCK.
+dnl Sets gl_cv_have_open_O_NONBLOCK.
 AC_DEFUN([gl_NONBLOCKING_IO],
 [
   dnl Use AC_REQUIRE here, so that the default behavior below is expanded
@@ -20,4 +22,8 @@ AC_DEFUN([gl_NONBLOCKING_IO_BODY],
     mingw*) gl_cv_have_nonblocking=no ;;
     *)      gl_cv_have_nonblocking=yes ;;
   esac
+  case "$host_os" in
+    mingw*) gl_cv_have_open_O_NONBLOCK=no ;;
+    *)      gl_cv_have_open_O_NONBLOCK=yes ;;
+  esac
 ])