function(add_code_coverage)
  list(GET ARGN 0 _target)

  find_program(LCOV_EXE NAMES lcov)
  find_program(GENHTML_EXE NAMES genhtml)
  target_compile_options(_target PUBLIC "--coverage")

  if(LCOV_EXE)
    add_custom_target(coverage-${_target}
                      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
                      COMMAND ${LCOV_EXE}
                              --test-name
                              ${_target}
                              --output
                              "${_target}.lcov"
                              --capture
                              --directory
                              ${CMAKE_BINARY_DIR})
    add_dependencies(coverage-${_target} ${_target})

    if(GENHTML_EXE)
      add_custom_target(coverage-report-${_target}
                        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
                        COMMAND ${GENHTML_EXE}
                                --output-directory
                                "report-${_target}"
                                "${_target}.lcov")
      add_dependencies(coverage-report-${_target} coverage-${_target})
    endif()
  endif()
endfunction()