fix windows compilation, better cmake output

gcontini

2019-12-14 79f2b46f721b69bc182f35324f8fc195a5cf3f54

 cmake/Findlcc.cmake

@@ -67,7 +67,7 @@
          if(GIT_SUBMODULE)
              message(STATUS "Submodule update")
              execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                              WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                              WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
                              RESULT_VARIABLE GIT_SUBMOD_RESULT)
              if(NOT GIT_SUBMOD_RESULT EQUAL "0")
                  set(failure_messge  "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")