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diff --git a/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake b/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
index 8d95c69e3ad..5145d2ffd71 100644
--- a/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
+++ b/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
@@ -179,8 +179,8 @@ if (ECM_ENABLE_SANITIZERS)
link_libraries("${linker_flags}")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
- string(REPLACE "-Wl,--no-undefined" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
- string(REPLACE "-Wl,--no-undefined" "" CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
+ string(REGEX REPLACE "( |^)-Wl,--no-undefined( |$)" " " CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+ string(REGEX REPLACE "( |^)-Wl,--no-undefined( |$)" " " CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
endif ()
endforeach()
else()