+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpfullversion OUTPUT_VARIABLE GCC_VERSION ERROR_VARIABLE _error RESULT_VARIABLE _err OUTPUT_STRIP_TRAILING_WHITESPACE)
+ #message(STATUS "dumpfullversion: error = ${_error}, result = ${_err}")
+ if (_err)
+ # previous check failed, try again with _old_ parameter
+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION ERROR_VARIABLE _error RESULT_VARIABLE _err OUTPUT_STRIP_TRAILING_WHITESPACE)
+ #message(STATUS "dumpversion: error = ${_error}, result = ${_err}")
+ endif()