kou commented on PR #41487:
URL: https://github.com/apache/arrow/pull/41487#issuecomment-2099507854
Ah, sorry. Could you use `CXX_ONLY_FLAGS` instead?
```diff
diff --git a/cpp/cmake_modules/SetupCxxFlags.cmake
b/cpp/cmake_modules/SetupCxxFlags.cmake
index ea357b4779..0bfb1e5a29 100644
--- a/cpp/cmake_modules/SetupCxxFlags.cmake
+++ b/cpp/cmake_modules/SetupCxxFlags.cmake
@@ -332,6 +332,7 @@ if("${BUILD_WARNING_LEVEL}" STREQUAL "CHECKIN")
set(CXX_COMMON_FLAGS "${CXX_COMMON_FLAGS} -Wno-sign-conversion")
set(CXX_COMMON_FLAGS "${CXX_COMMON_FLAGS} -Wunused-result")
set(CXX_COMMON_FLAGS "${CXX_COMMON_FLAGS} -Wdate-time")
+ string(APPEND CXX_ONLY_FLAGS " -Wredundant-move")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel" OR CMAKE_CXX_COMPILER_ID
STREQUAL
"IntelLLVM")
if(WIN32)
```
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