App,GUI: add developer notes to set the RPATHs

App/CMakeLists.txt

@@ -64,6 +64,7 @@ endif()
 #   See our deployment paper (Nejati et al 2024) for explanation.
 
 if(LINUX)
+    # NOTE: RPATH must be set also in `GUI/CMakeLists.txt`
     set(link_flags "-Wl,-rpath,\$ORIGIN/../lib")
     set_target_properties(${executable_name} PROPERTIES LINK_FLAGS ${link_flags})
 elseif(APPLE)

GUI/CMakeLists.txt

@@ -37,6 +37,7 @@ target_compile_definitions(${lib} PUBLIC $<$<NOT:$<CONFIG:Debug>>:QT_NO_DEBUG_OU
 #   See our deployment paper (Nejati et al 2024) for explanation.
 
 if(LINUX)
+    # NOTE: RPATH must be set also in `App/CMakeLists.txt`
     set(link_flags "-Wl,--disable-new-dtags,-rpath,\$ORIGIN")
     set_target_properties(${lib} PROPERTIES LINK_FLAGS ${link_flags})
 endif(LINUX)