| if(CMAKE_VERSION MATCHES "\\.(20[0-9][0-9])[0-9][0-9][0-9][0-9](-|$)") | 
 |   set(version_year "${CMAKE_MATCH_1}") | 
 |   set(copyright_line_regex "^Copyright 2000-(20[0-9][0-9]) Kitware") | 
 |   file(STRINGS "${CMAKE_CURRENT_LIST_DIR}/../Copyright.txt" copyright_line | 
 |     LIMIT_COUNT 1 REGEX "${copyright_line_regex}") | 
 |   if(copyright_line MATCHES "${copyright_line_regex}") | 
 |     set(copyright_year "${CMAKE_MATCH_1}") | 
 |     if(copyright_year LESS version_year) | 
 |       message(FATAL_ERROR "Copyright.txt contains\n" | 
 |         " ${copyright_line}\n" | 
 |         "but the current version year is ${version_year}.") | 
 |     else() | 
 |       message(STATUS "PASSED: Copyright.txt contains\n" | 
 |         " ${copyright_line}\n" | 
 |         "and the current version year is ${version_year}.") | 
 |     endif() | 
 |   else() | 
 |     message(FATAL_ERROR "Copyright.txt has no Copyright line of expected format!") | 
 |   endif() | 
 | else() | 
 |   message(STATUS "SKIPPED: CMAKE_VERSION does not know the year: ${CMAKE_VERSION}") | 
 | endif() |