cmake/TargetSupportsSymbolicLink.cmake

   1 function(TARGET_SUPPORTS_SYMBOLIC_LINK)
   2   get_filename_component(name ${CMAKE_CURRENT_LIST_FILE} NAME)
   3   execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
   4     ${CMAKE_CURRENT_LIST_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${name}
   5     ERROR_QUIET RESULT_VARIABLE result
   6   )
   7   if(${result} EQUAL 0)
   8     set(TARGET_SUPPORTS_SYMBOLIC_LINK 1 CACHE INTERNAL "Test TARGET_SUPPORTS_SYMBOLIC_LINK")
   9   else()
  10     set(TARGET_SUPPORTS_SYMBOLIC_LINK 0 CACHE INTERNAL "Test TARGET_SUPPORTS_SYMBOLIC_LINK")
  11   endif()
  12   file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/${name})
  13 endfunction()
  14 if(NOT DEFINED TARGET_SUPPORTS_SYMBOLIC_LINK)
  15   TARGET_SUPPORTS_SYMBOLIC_LINK()
  16 endif()