diff --git a/bacnet-stack/demo/Makefile b/bacnet-stack/demo/Makefile
index 943b9e77..819bd4bd 100644
--- a/bacnet-stack/demo/Makefile
+++ b/bacnet-stack/demo/Makefile
@@ -24,7 +24,9 @@ INCLUDES = $(INCLUDE1) $(INCLUDE2)
 ifeq (${BACNET_PORT},linux)
 PFLAGS = -pthread
 TARGET_EXT =
-LIBRARIES=-lc,-lgcc,-lrt,-lm,-L$(BACNET_LIB_DIR),-l$(BACNET_LIB_NAME)
+LIBRARY1=-L$(BACNET_LIB_DIR),-l$(BACNET_LIB_NAME)
+LIBRARY2=-lc,-lgcc,-lrt,-lm
+LIBRARIES=$(LIBRARY1),$(LIBRARY2)
 endif
 ifeq (${BACNET_PORT},win32)
 TARGET_EXT = .exe
diff --git a/bacnet-stack/ports/linux/rs485.h b/bacnet-stack/ports/linux/rs485.h
index 949e1b53..e3e4e979 100644
--- a/bacnet-stack/ports/linux/rs485.h
+++ b/bacnet-stack/ports/linux/rs485.h
@@ -58,10 +58,13 @@ extern "C" {
 
     void RS485_Check_UART_Data(
         volatile struct mstp_port_struct_t *mstp_port); /* port specific data */
+    uint32_t RS485_Get_Port_Baud_Rate(
+        volatile struct mstp_port_struct_t *mstp_port);
     uint32_t RS485_Get_Baud_Rate(
         void);
     bool RS485_Set_Baud_Rate(
         uint32_t baud);
+
     void RS485_Cleanup(
         void);