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execute_process(
COMMAND
${PYTHON_EXECUTABLE} -c "import sys;print (str(sys.version_info[0]) + '.' + str(sys.version_info[1]) + '.' + str(sys.version_info[2]))"
OUTPUT_VARIABLE PYTHON_VERSION_STRING
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE RUN_RESULT
)
set( PYTHON_VERSION_FOUND FALSE)
string(COMPARE EQUAL ${RUN_RESULT} "0" RUN_SUCCESS)
if (RUN_SUCCESS)
set( PYTHON_VERSION_FOUND TRUE)
string(REPLACE "." " " _PY_LIST ${PYTHON_VERSION_STRING} )
list(LENGTH _PY_LIST _PY_LIST_LEN)
if ( _PY_LIST_LEN GREATER 0)
list(GET _PY_LIST 0 PYTHON_VERSION_STRING_MAJOR)
endif()
if ( _PY_LIST_LEN GREATER 1)
list(GET _PY_LIST 0 PYTHON_VERSION_STRING_MINOR)
endif()
if ( _PY_LIST_LEN GREATER 2)
list(GET _PY_LIST 0 PYTHON_VERSION_STRING_MICRO)
endif()
endif()
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