| 1 | # -*- mode: cmake; -*- |
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| 2 | # |
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| 3 | # Figure out the version of the used compiler |
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| 4 | # Variables set by this module |
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| 5 | # CMAKE_CXX_COMPILER_MAJOR major version of compiler |
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| 6 | # CMAKE_CXX_COMPILER_MINR minor version of compiler |
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| 7 | # CMAKE_CXX_COMPILER_PATCH patch level (e.g. gcc 4.1.0) |
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| 8 | # |
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| 9 | |
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| 10 | #execute_process(COMMAND <cmd1> [args1...]] |
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| 11 | # [COMMAND <cmd2> [args2...] [...]] |
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| 12 | # [WORKING_DIRECTORY <directory>] |
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| 13 | # [TIMEOUT <seconds>] |
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| 14 | # [RESULT_VARIABLE <variable>] |
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| 15 | # [OUTPUT_VARIABLE <variable>] |
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| 16 | # [ERROR_VARIABLE <variable>] |
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| 17 | # [INPUT_FILE <file>] |
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| 18 | # [OUTPUT_FILE <file>] |
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| 19 | # [ERROR_FILE <file>] |
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| 20 | # [OUTPUT_QUIET] |
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| 21 | # [ERROR_QUIET] |
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| 22 | # [OUTPUT_STRIP_TRAILING_WHITESPACE] |
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| 23 | # [ERROR_STRIP_TRAILING_WHITESPACE]) |
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| 24 | |
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| 25 | # check the version of the compiler |
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| 26 | set(CMAKE_CXX_COMPILER_MAJOR "CMAKE_CXX_COMPILER_MAJOR-NOTFOUND") |
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| 27 | set(CMAKE_CXX_COMPILER_MINOR "CMAKE_CXX_COMPILER_MINOR-NOTFOUND") |
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| 28 | set(CMAKE_CXX_COMPILER_PATCH "CMAKE_CXX_COMPILER_PATCH-NOTFOUND") |
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| 29 | |
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| 30 | # extract the version of the compiler |
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| 31 | if( ${CMAKE_CXX_COMPILER_ID} STREQUAL "Intel") |
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| 32 | execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion |
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| 33 | OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION) |
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| 34 | |
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| 35 | string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" |
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| 36 | CMAKE_CXX_COMPILER_MAJOR ${CMAKE_CXX_COMPILER_VERSION}) |
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| 37 | string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*" "\\2" |
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| 38 | CMAKE_CXX_COMPILER_MINOR ${CMAKE_CXX_COMPILER_VERSION}) |
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| 39 | set(CMAKE_CXX_COMPILER_PATCH "") |
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| 40 | endif( ${CMAKE_CXX_COMPILER_ID} STREQUAL "Intel") |
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| 41 | |
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| 42 | if( ${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU") |
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| 43 | execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion |
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| 44 | OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION) |
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| 45 | |
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| 46 | string(STRIP ${CMAKE_CXX_COMPILER_VERSION} CMAKE_CXX_COMPILER_VERSION) |
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| 47 | string(REGEX REPLACE "^([0-9]+).*$" "\\1" |
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| 48 | CMAKE_CXX_COMPILER_MAJOR ${CMAKE_CXX_COMPILER_VERSION}) |
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| 49 | string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" |
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| 50 | CMAKE_CXX_COMPILER_MINOR ${CMAKE_CXX_COMPILER_VERSION}) |
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| 51 | string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\3" |
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| 52 | CMAKE_CXX_COMPILER_PATCH ${CMAKE_CXX_COMPILER_VERSION}) |
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| 53 | endif( ${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU") |
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| 54 | |
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| 55 | |
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| 56 | # just print the results if requested |
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| 57 | function(info_compiler) |
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| 58 | message(STATUS "CMAKE_FORCE_CXX_COMPILER = '${CMAKE_FORCE_CXX_COMPILER}'") |
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| 59 | message(STATUS "CMAKE_CXX_COMPILER = '${CMAKE_CXX_COMPILER}'") |
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| 60 | message(STATUS "CMAKE_CXX_COMPILER_ID = '${CMAKE_CXX_COMPILER_ID}'") |
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| 61 | message(STATUS "CMAKE_CXX_COMPILER_INIT = '${CMAKE_CXX_COMPILER_INIT}'") |
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| 62 | message(STATUS "CMAKE_GENERATOR_CXX = '${CMAKE_GENERATOR_CXX}'") |
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| 63 | message(STATUS "CMAKE_GNULD_IMAGE_VERSION = '${CMAKE_GNULD_IMAGE_VERSION}'") |
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| 64 | message(STATUS "CMAKE_CXX_COMPILER_VERSION= '${CMAKE_CXX_COMPILER_VERSION}'") |
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| 65 | message(STATUS "CMAKE_CXX_COMPILER_MAJOR = '${CMAKE_CXX_COMPILER_MAJOR}'") |
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| 66 | message(STATUS "CMAKE_CXX_COMPILER_MINOR = '${CMAKE_CXX_COMPILER_MINOR}'") |
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| 67 | message(STATUS "CMAKE_CXX_COMPILER_PATCH = '${CMAKE_CXX_COMPILER_PATCH}'") |
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| 68 | endfunction(info_compiler) |
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