chown: Update doc regarding AIX.

[gnulib.git] / m4 / poll.m4

diff --git a/m4/poll.m4 b/m4/poll.m4
index a16e376..3a7c186 100644 (file)
--- a/m4/poll.m4
+++ b/m4/poll.m4
@@ -1,5 +1,6 @@
-# poll.m4 serial 8
-dnl Copyright (c) 2003, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
+# poll.m4 serial 9
+dnl Copyright (c) 2003, 2005, 2006, 2007, 2009, 2010 Free Software Foundation,
+dnl 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.
@@ -13,7 +14,7 @@ AC_DEFUN([gl_FUNC_POLL],
     AC_CHECK_FUNC([poll],
       [# Check whether poll() works on special files (like /dev/null) and
        # and ttys (like /dev/tty). On MacOS X 10.4.0 and AIX 5.3, it doesn't.
-       AC_TRY_RUN([
+       AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <fcntl.h>
 #include <poll.h>
          int main()
@@ -39,7 +40,7 @@ AC_DEFUN([gl_FUNC_POLL],
              return 1;
            /* Trying /dev/tty may be too environment dependent.  */
            return 0;
-         }],
+         }]])],
          [gl_cv_func_poll=yes],
          [gl_cv_func_poll=no],
          [# When cross-compiling, assume that poll() works everywhere except on