Backport recent changes from mainline.

[libsigrok.git] / src / modbus / modbus_serial_rtu.c

diff --git a/src/modbus/modbus_serial_rtu.c b/src/modbus/modbus_serial_rtu.c
index 065c25f67a355f23316bb5a186aad1300ec2be42..f7fee0abafec655ef221a2df335705f7f619dfa3 100644 (file)
--- a/src/modbus/modbus_serial_rtu.c
+++ b/src/modbus/modbus_serial_rtu.c
@@ -26,6 +26,8 @@
 
 #define LOG_PREFIX "modbus_serial"
 
+#ifdef HAVE_SERIAL_COMM
+
 #define BUFFER_SIZE 1024
 
 struct modbus_serial_rtu {
@@ -207,3 +209,5 @@ SR_PRIV const struct sr_modbus_dev_inst modbus_serial_rtu_dev = {
        .close         = modbus_serial_rtu_close,
        .free          = modbus_serial_rtu_free,
 };
+
+#endif