!6212 compile optimize

Merge pull request !6212 from zhanghaibo/master

mindspore/lite/CMakeLists.txt

@@ -12,6 +12,7 @@ option(MS_VERSION_REVISION "revision version" 0)
 set(DIR_PREFIX mindspore-lite)
 set(MS_VERSION ${MS_VERSION_MAJOR}.${MS_VERSION_MINOR}.${MS_VERSION_REVISION})
 set(MAIN_DIR ${DIR_PREFIX}-${MS_VERSION})
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMS_VERSION_MAJOR=${MS_VERSION_MAJOR} -DMS_VERSION_MINOR=${MS_VERSION_MINOR} -DMS_VERSION_REVISION=${MS_VERSION_REVISION}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMS_VERSION_MAJOR=${MS_VERSION_MAJOR} -DMS_VERSION_MINOR=${MS_VERSION_MINOR} -DMS_VERSION_REVISION=${MS_VERSION_REVISION}")
 
@@ -47,7 +48,6 @@ else ()
     set(RUN_X86_COMPONENT_NAME runtime-x86-${PROCESS_UNIT})
 endif()
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 string(REPLACE "/mindspore/lite" "" TOP_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(CORE_DIR ${TOP_DIR}/mindspore/core)
 set(CCSRC_DIR ${TOP_DIR}/mindspore/ccsrc)
@@ -84,6 +84,8 @@ set(CMAKE_VERBOSE_MAKEFILE on)
 add_compile_definitions(USE_ANDROID_LOG)
 add_compile_definitions(NO_DLIB)
 add_compile_options(-fPIC)
+string(REPLACE "-g" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+string(REPLACE "-g" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 if ("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DDebug -g")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDebug -g")

mindspore/lite/tools/converter/CMakeLists.txt

@@ -1,5 +1,4 @@
 add_definitions(-DPRIMITIVE_WRITEABLE)
-string(REPLACE    " -Werror " " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 
 file (GLOB_RECURSE CORE_SRC
         ${CMAKE_CURRENT_SOURCE_DIR}/../../../core/*.cc