X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fmodbus%2Fmodbus_serial_rtu.c;fp=src%2Fmodbus%2Fmodbus_serial_rtu.c;h=f7fee0abafec655ef221a2df335705f7f619dfa3;hb=48b7c3462927616916a1296c862e96e3a36c2a80;hp=065c25f67a355f23316bb5a186aad1300ec2be42;hpb=1ac8c2181b0390c601278ad05bab93dd1c801734;p=libsigrok.git

diff --git a/src/modbus/modbus_serial_rtu.c b/src/modbus/modbus_serial_rtu.c
index 065c25f6..f7fee0ab 100644
--- 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