Merge pull request #350 from koalo/master

avoid adding Paho MQTT C library twice
eclipse-paho · Jul 29, 2023 · 62868ec · 62868ec
2 parents 95928b6 + f2a15f4
commit 62868ec
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cmake/FindPahoMqttC.cmake b/cmake/FindPahoMqttC.cmake
@@ -17,7 +17,9 @@ find_library(PAHO_MQTT_C_LIBRARIES NAMES ${_PAHO_MQTT_C_LIB_NAME})
 unset(_PAHO_MQTT_C_LIB_NAME)
 find_path(PAHO_MQTT_C_INCLUDE_DIRS NAMES MQTTAsync.h)
 
-add_library(PahoMqttC::PahoMqttC UNKNOWN IMPORTED)
+if (NOT TARGET PahoMqttC::PahoMqttC)
+    add_library(PahoMqttC::PahoMqttC UNKNOWN IMPORTED)
+endif ()
 
 set_target_properties(PahoMqttC::PahoMqttC PROPERTIES
     IMPORTED_LOCATION "${PAHO_MQTT_C_LIBRARIES}"