fix(os): TDinternal compile error.

cmake/cmake.define

@@ -15,12 +15,12 @@ MESSAGE(STATUS "Project executable files output path: " ${EXECUTABLE_OUTPUT_PATH
 MESSAGE(STATUS "Project library files output path: " ${LIBRARY_OUTPUT_PATH})
 
 find_package(Git QUIET)
-if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+if(GIT_FOUND AND EXISTS "${TD_SOURCE_DIR}/.git")
 # Update submodules as needed
     option(GIT_SUBMODULE "Check submodules during build" ON)
     if(GIT_SUBMODULE)
         message(STATUS "Submodule update")
-        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
+        execute_process(COMMAND cd ${TD_SOURCE_DIR} && ${GIT_EXECUTABLE} submodule update --init --recursive
                         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                         RESULT_VARIABLE GIT_SUBMOD_RESULT)
         if(NOT GIT_SUBMOD_RESULT EQUAL "0")
@@ -29,7 +29,7 @@ if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
     endif()
 endif()
 
-if(NOT EXISTS "${PROJECT_SOURCE_DIR}/tools/taos-tools/CMakeLists.txt")
+if(NOT EXISTS "${TD_SOURCE_DIR}/tools/taos-tools/CMakeLists.txt")
     message(WARNING "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules manually if you need build them.")
 endif()