2018-11-19 08:17:09 +00:00
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IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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SET(OS_LINUX true CACHE INTERNAL "Linux operating system")
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ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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SET(OS_MACOSX true CACHE INTERNAL "Mac Darwin operating system")
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ELSE(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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MESSAGE(FATAL_ERROR "Unsupported OS: \"${CMAKE_SYSTEM_NAME}\"")
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ENDIF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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IF(CMAKE_COMPILER_IS_GNUCXX)
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2020-01-03 13:25:00 +00:00
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EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpfullversion OUTPUT_VARIABLE GCC_COMPILER_VERSION)
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2018-11-19 08:17:09 +00:00
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IF (NOT GCC_COMPILER_VERSION)
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2020-01-03 13:25:00 +00:00
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EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_COMPILER_VERSION)
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IF (NOT GCC_COMPILER_VERSION)
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MESSAGE(FATAL_ERROR "Cannot get gcc version")
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ENDIF (NOT GCC_COMPILER_VERSION)
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2018-11-19 08:17:09 +00:00
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ENDIF (NOT GCC_COMPILER_VERSION)
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STRING(REGEX MATCHALL "[0-9]+" GCC_COMPILER_VERSION ${GCC_COMPILER_VERSION})
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2019-06-30 00:35:48 +00:00
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LIST(LENGTH GCC_COMPILER_VERSION GCC_COMPILER_VERSION_LENGTH)
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2018-11-19 08:17:09 +00:00
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LIST(GET GCC_COMPILER_VERSION 0 GCC_COMPILER_VERSION_MAJOR)
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2019-06-30 00:35:48 +00:00
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if (GCC_COMPILER_VERSION_LENGTH GREATER 1)
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LIST(GET GCC_COMPILER_VERSION 1 GCC_COMPILER_VERSION_MINOR)
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else ()
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set (GCC_COMPILER_VERSION_MINOR 0)
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endif ()
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2018-11-19 08:17:09 +00:00
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SET(GCC_COMPILER_VERSION_MAJOR ${GCC_COMPILER_VERSION_MAJOR} CACHE INTERNAL "gcc major version")
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SET(GCC_COMPILER_VERSION_MINOR ${GCC_COMPILER_VERSION_MINOR} CACHE INTERNAL "gcc minor version")
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MESSAGE(STATUS "checking compiler: GCC (${GCC_COMPILER_VERSION_MAJOR}.${GCC_COMPILER_VERSION_MINOR}.${GCC_COMPILER_VERSION_PATCH})")
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} --version OUTPUT_VARIABLE COMPILER_OUTPUT)
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IF(COMPILER_OUTPUT MATCHES "clang")
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SET(CMAKE_COMPILER_IS_CLANG true CACHE INTERNAL "using clang as compiler")
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MESSAGE(STATUS "checking compiler: CLANG")
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ELSE(COMPILER_OUTPUT MATCHES "clang")
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MESSAGE(FATAL_ERROR "Unsupported compiler: \"${CMAKE_CXX_COMPILER}\"")
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ENDIF(COMPILER_OUTPUT MATCHES "clang")
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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