| set(min_ver 2.7.20090305) |
| cmake_minimum_required(VERSION ${min_ver}) |
| |
| if("${CMAKE_VERSION}" VERSION_LESS "${min_ver}") |
| message(FATAL_ERROR |
| "CMAKE_VERSION=[${CMAKE_VERSION}] is less than [${min_ver}]") |
| else() |
| message("CMAKE_VERSION=[${CMAKE_VERSION}] is not less than [${min_ver}]") |
| endif() |
| |
| set(EQUALV "1 1") |
| list(APPEND EQUALV "1.0 1") |
| list(APPEND EQUALV "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 1") |
| list(APPEND EQUALV "1.2.3.4.5.6.7 1.2.3.4.5.6.7") |
| list(APPEND EQUALV "1.2.3.4.5.6.7.8.9 1.2.3.4.5.6.7.8.9") |
| |
| foreach(v IN LISTS EQUALV) |
| string(REGEX MATCH "(.*) (.*)" _dummy "${v}") |
| # modify any of the operands to see the negative check also works |
| if("${CMAKE_MATCH_1}.2" VERSION_EQUAL CMAKE_MATCH_2) |
| message(FATAL_ERROR "${CMAKE_MATCH_1}.2 is equal ${CMAKE_MATCH_2}?") |
| else() |
| message(STATUS "${CMAKE_MATCH_1}.2 is not equal ${CMAKE_MATCH_2}") |
| endif() |
| |
| if(CMAKE_MATCH_1 VERSION_EQUAL "${CMAKE_MATCH_2}.2") |
| message(FATAL_ERROR "${CMAKE_MATCH_1} is equal ${CMAKE_MATCH_2}.2?") |
| else() |
| message(STATUS "${CMAKE_MATCH_1} is not equal ${CMAKE_MATCH_2}.2") |
| endif() |
| endforeach() |
| |
| # test the negative outcomes first, due to the implementation the positive |
| # allow some additional strings to pass that would not fail for the negative |
| # tests |
| |
| list(APPEND EQUALV "1a 1") |
| list(APPEND EQUALV "1.1a 1.1") |
| list(APPEND EQUALV "1.0a 1") |
| list(APPEND EQUALV "1a 1.0") |
| |
| foreach(v IN LISTS EQUALV) |
| # check equal versions |
| string(REGEX MATCH "(.*) (.*)" _dummy "${v}") |
| if(CMAKE_MATCH_1 VERSION_EQUAL CMAKE_MATCH_2) |
| message(STATUS "${CMAKE_MATCH_1} is equal ${CMAKE_MATCH_2}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_1} is not equal ${CMAKE_MATCH_2}?") |
| endif() |
| |
| # still equal, but inverted order of operands |
| string(REGEX MATCH "(.*) (.*)" _dummy "${v}") |
| if(CMAKE_MATCH_2 VERSION_EQUAL CMAKE_MATCH_1) |
| message(STATUS "${CMAKE_MATCH_2} is equal ${CMAKE_MATCH_1}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_2} is not equal ${CMAKE_MATCH_1}?") |
| endif() |
| endforeach() |
| |
| set(LESSV "1.2.3.4.5.6.7.8 1.2.3.4.5.6.7.9") |
| list(APPEND LESSV "1.2.3.4.5.6.7 1.2.3.4.5.6.7.9") |
| list(APPEND LESSV "1 1.0.0.1") |
| foreach(v IN LISTS LESSV) |
| string(REGEX MATCH "(.*) (.*)" _dummy "${v}") |
| # check less |
| if(CMAKE_MATCH_1 VERSION_LESS CMAKE_MATCH_2) |
| message(STATUS "${CMAKE_MATCH_1} is less than ${CMAKE_MATCH_2}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_1} is not less than ${CMAKE_MATCH_2}?") |
| endif() |
| |
| # check greater |
| if(CMAKE_MATCH_2 VERSION_GREATER CMAKE_MATCH_1) |
| message(STATUS "${CMAKE_MATCH_2} is greater than ${CMAKE_MATCH_1}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_2} is not greater than ${CMAKE_MATCH_1}?") |
| endif() |
| |
| # check less negative case |
| if(NOT CMAKE_MATCH_2 VERSION_LESS CMAKE_MATCH_1) |
| message(STATUS "${CMAKE_MATCH_2} is not less than ${CMAKE_MATCH_1}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_2} is less than ${CMAKE_MATCH_1}?") |
| endif() |
| |
| # check greater or equal (same as less negative) |
| if(CMAKE_MATCH_2 VERSION_GREATER_EQUAL CMAKE_MATCH_1) |
| message(STATUS "${CMAKE_MATCH_2} is not less than ${CMAKE_MATCH_1}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_2} is less than ${CMAKE_MATCH_1}?") |
| endif() |
| |
| # check greater negative case |
| if(NOT CMAKE_MATCH_1 VERSION_GREATER CMAKE_MATCH_2) |
| message(STATUS "${CMAKE_MATCH_1} is not greater than ${CMAKE_MATCH_2}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_1} is greater than ${CMAKE_MATCH_2}?") |
| endif() |
| |
| # check less or equal (same as greater negative) case |
| if(CMAKE_MATCH_1 VERSION_LESS_EQUAL CMAKE_MATCH_2) |
| message(STATUS "${CMAKE_MATCH_1} is not greater than ${CMAKE_MATCH_2}") |
| else() |
| message(FATAL_ERROR "${CMAKE_MATCH_1} is greater than ${CMAKE_MATCH_2}?") |
| endif() |
| endforeach() |
