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My CMake modules.

CompileOptions.cmake

Visual Studio compiler warnings

Visual Studio compiler produce the warning message when using set_cxx_warning_options(<target>).

cl : Command line warning D9025: overriding '/W3' with '/W4'

If you want to suppress this message. define CMAKE_USER_MAKE_RULES_OVERRIDE variables to replace CMake default compiler option.

Example:

  • cmake/CMakeRulesOverride.cmake

    if(MSVC)
      # Suppress D9025
      string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT}")
    endif()
  • CMakeLists.txt

    set(CMAKE_USER_MAKE_RULES_OVERRIDE 
      "${CMAKE_CURRENT_LIST_DIR}/cmake/CMakeRulesOverride.cmake")
    
    project(foo LANGUAGES CXX)

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