# Runs a command and captures its standard output in a file.  Invoked in script mode:
#   cmake -DOUTPUT=<file> -DCOMMAND=<program> -DARGS=<semicolon list> -P runToFile.cmake

execute_process(COMMAND ${COMMAND} ${ARGS} OUTPUT_FILE "${OUTPUT}" RESULT_VARIABLE result)
if(NOT result EQUAL 0)
	file(REMOVE "${OUTPUT}")
	message(FATAL_ERROR "${COMMAND} failed with status ${result}")
endif()