From 1bab04e5075edba6106d57933ee10818c8f88887 Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Wed, 22 May 2013 23:20:06 +0200
Subject: [PATCH] Avoid empty  _modbus_rtu_ioctl_rts when no HAVE_DECL_TIOCM_RTS

---
 src/modbus-rtu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/modbus-rtu.c b/src/modbus-rtu.c
index 690fb9c..27ef898 100644
--- a/src/modbus-rtu.c
+++ b/src/modbus-rtu.c
@@ -260,9 +260,9 @@ static int win32_ser_read(struct win32_ser *ws, uint8_t *p_msg,
 }
 #endif
 
+#if HAVE_DECL_TIOCM_RTS
 static void _modbus_rtu_ioctl_rts(int fd, int on)
 {
-#if HAVE_DECL_TIOCM_RTS
     int flags;
 
     ioctl(fd, TIOCMGET, &flags);
@@ -272,8 +272,8 @@ static void _modbus_rtu_ioctl_rts(int fd, int on)
         flags &= ~TIOCM_RTS;
     }
     ioctl(fd, TIOCMSET, &flags);
-#endif
 }
+#endif
 
 static ssize_t _modbus_rtu_send(modbus_t *ctx, const uint8_t *req, int req_length)
 {
--
libgit2 0.21.4