恢复成自定义协议了

CMakeLists.txt

@@ -16,12 +16,7 @@ endif ()
 if (RENDERIVE_BUILD_3D)
     message(FATAL_ERROR "RENDERIVE_BUILD_3D is reserved; the 3D renderer is not implemented")
 endif ()
-if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-    set(third_party "${CMAKE_CURRENT_LIST_DIR}/third_party")
-else ()
-    set(third_party "${CMAKE_CURRENT_LIST_DIR}/..")
-endif ()
-include("${third_party}/build_infra/start.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/third_party/build_infra/start.cmake")
 if (RENDERIVE_BUILD_TESTS)
     enable_testing()
 endif ()
@@ -36,4 +31,4 @@ if (RENDERIVE_BUILD_WEB)
     add_subdirectory(web_server)
 endif ()
 include("${CMAKE_CURRENT_LIST_DIR}/cmake/RenderivePackage.cmake")
-include("${third_party}/build_infra/end.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/third_party/build_infra/end.cmake")