diff --git a/src/rp2_common/pico_stdio_rtt/CMakeLists.txt b/src/rp2_common/pico_stdio_rtt/CMakeLists.txt
index dc79119e0..83bcbe96c 100644
--- a/src/rp2_common/pico_stdio_rtt/CMakeLists.txt
+++ b/src/rp2_common/pico_stdio_rtt/CMakeLists.txt
@@ -1,13 +1,25 @@
-pico_add_impl_library(pico_stdio_rtt)
+pico_add_library(pico_stdio_rtt)
+
+if (NOT PICO_STDIO_RTT_PATH)
+    set(PICO_STDIO_RTT_PATH ${PROJECT_SOURCE_DIR}/lib/SEGGER_RTT/RTT)
+endif()
 
 target_sources(pico_stdio_rtt INTERFACE
         ${CMAKE_CURRENT_LIST_DIR}/stdio_rtt.c
-        ${CMAKE_CURRENT_LIST_DIR}/../../../lib/SEGGER_RTT/RTT/SEGGER_RTT.c
+        ${PICO_STDIO_RTT_PATH}/SEGGER_RTT.c
 )
 
-target_include_directories(pico_stdio_rtt INTERFACE
+target_include_directories(pico_stdio_rtt_headers INTERFACE
         ${CMAKE_CURRENT_LIST_DIR}/include
-        ${CMAKE_CURRENT_LIST_DIR}/../../../lib/SEGGER_RTT/RTT
+        ${PICO_STDIO_RTT_PATH}
 )
 
 target_link_libraries(pico_stdio_rtt INTERFACE pico_stdio)
+
+
+set_source_files_properties(
+        ${PICO_STDIO_RTT_PATH}/SEGGER_RTT.c
+        PROPERTIES
+        COMPILE_OPTIONS
+        "-Wno-cast-qual;-Wno-cast-align"
+)