Merge topic 'doxygen-escaping'

e81fd5d5ba FindDoxygen: Escape backslashes in default values

Acked-by: Kitware Robot <[email protected]>
Acked-by: Julien Schueller <[email protected]>
Merge-request: !2867

Modules/FindDoxygen.cmake

@@ -713,7 +713,9 @@ if(TARGET Doxygen::doxygen)
         if(_line MATCHES "([A-Z][A-Z0-9_]+)( *=)(.*)")
             set(_key "${CMAKE_MATCH_1}")
             set(_eql "${CMAKE_MATCH_2}")
-            string(REPLACE ";" "\\\n" _value "${CMAKE_MATCH_3}")
+            set(_value "${CMAKE_MATCH_3}")
+            string(REPLACE "\\" "\\\\" _value "${_value}")
+            string(REPLACE ";" "\\\n" _value "${_value}")
             list(APPEND _Doxygen_tpl_params "${_key}${_eql}${_value}")
         endif()
     endforeach()