calamares/thirdparty/CMakeLists.txt

if( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
    # Suppress warnings entirely; not interesting in third-party code
    set( CMAKE_CXX_FLAGS                "${CMAKE_CXX_FLAGS} -w" )
endif()

if( WITH_CRASHREPORTER )
    macro( qt_wrap_ui )
        qt5_wrap_ui( ${ARGN} )
    endmacro()
    add_subdirectory( libcrashreporter-qt )
endif()
Clang: improve usefullness of clang-warnings - don't check c++98 compatibility - don't show warnings on third-party code - don't check for padding 8 years ago			`if( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )`
			`# Suppress warnings entirely; not interesting in third-party code`
			`set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w" )`
			`endif()`

And build it. 9 years ago			`if( WITH_CRASHREPORTER )`
			`macro( qt_wrap_ui )`
			`qt5_wrap_ui( ${ARGN} )`
			`endmacro()`
			`add_subdirectory( libcrashreporter-qt )`
			`endif()`