message: cmake: use BUILD_INTERFACE/INSTALL_INTERFACE in target_include_directories
diff: @@ -33,7 +33,9 @@ add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
  target_include_directories(
  ${NLOHMANN_JSON_TARGET_NAME}
  - INTERFACE $<INSTALL_INTERFACE:include/>
  + INTERFACE
  + $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>
  + $<INSTALL_INTERFACE:include>
  )
  ## add debug view defintion file for msvc (natvis) [cmake <= 3.2.2 does not support export of source files]
  