From 98f7729848625344d7eb51e69ed0ac4daa1fb8a7 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Fri, 1 Jan 2016 22:55:45 +0200
Subject: [PATCH] unix/unix_mphal: Be sure to wrap dupterm code with
 MICROPY_PY_OS_DUPTERM.

---
 unix/unix_mphal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unix/unix_mphal.c b/unix/unix_mphal.c
index 67c818042..03488b9a5 100644
--- a/unix/unix_mphal.c
+++ b/unix/unix_mphal.c
@@ -108,6 +108,7 @@ void mp_hal_stdio_mode_orig(void) {
 
 #endif
 
+#if MICROPY_PY_OS_DUPTERM
 static int call_dupterm_read(void) {
     nlr_buf_t nlr;
     if (nlr_push(&nlr) == 0) {
@@ -138,6 +139,7 @@ static int call_dupterm_read(void) {
 
     return -1;
 }
+#endif
 
 int mp_hal_stdin_rx_chr(void) {
     unsigned char c;
-- 
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