Don't do hardening check if cross compiling

CMakeLists.txt

@@ -380,12 +380,14 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND BUILD_TESTING)
         ${symbol_imports})
   endif()
 
+  if(NOT CMAKE_CROSSCOMPILING)
     find_program(HARDENING_CHECK hardening-check)
     if(HARDENING_CHECK)
       add_test(NAME hardening_check
                COMMAND ${HARDENING_CHECK} $<TARGET_FILE:${PROJECT_NAME}>
                        --nofortify --nostackprotector)
     endif()
+  endif()
 
   # bench
   add_executable(conflict_set_bench Bench.cpp)