apacheGH-45325: [C++] Fix compilation issue with clang++ without clang

WillAyd · Jan 21, 2025 · cec542b · cec542b
1 parent 984519d
commit cec542b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cpp/cmake_modules/SetupCxxFlags.cmake b/cpp/cmake_modules/SetupCxxFlags.cmake
@@ -435,7 +435,9 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_CXX_COMPILER_ID STRE
   #
   #   http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html
   #   http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Qunused-arguments")
+  if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Qunused-arguments")
+  endif()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments")
 
   # Avoid error when an unknown warning flag is passed