diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -318,8 +318,11 @@ # Older Clang may support -fno-semantic-interposition but it used local # aliases to optimize global variables, which is incompatible with copy # relocations due to -fno-pic. - if (CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND - CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 13)) + # [MLIR, SystemZ] Disabled `-fno-semantic-interposition` on MLIR on SystemZ + # because MLIR test failed when using gcc. + if ((CMAKE_COMPILER_IS_GNUCXX AND + NOT ("mlir" IN_LIST LLVM_ENABLE_PROJECTS AND LLVM_NATIVE_ARCH STREQUAL "SystemZ")) + OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 13)) add_flag_if_supported("-fno-semantic-interposition" FNO_SEMANTIC_INTERPOSITION) endif() endif()