From cb59a7d3d080130e1eb73193e4630d909543f329 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 8 Jul 2005 22:53:50 +0000
Subject: Add check for HAVE_FIONREAD_IN_SYS_IOCTL.

---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index cf9ef3356..77cf513c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -244,6 +244,12 @@ if test $jm_cv_sys_tiocgwinsz_needs_termios_h = no && \
                    [Define if your system defines TIOCGWINSZ in sys/pty.h.])
 fi
 
+# For src/cat.c.
+AC_CHECK_DECL([FIONREAD],
+  [AC_DEFINE([HAVE_FIONREAD_IN_SYS_IOCTL], 1,
+     [Define to 1 if <sys/ioctl.h> defines FIONREAD.])],
+  [], [#include <sys/ioctl.h>])
+
 # For src/kill.c.
 AC_CHECK_DECLS([strsignal, sys_siglist, _sys_siglist, __sys_siglist], , ,
   [AC_INCLUDES_DEFAULT
-- 
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