SysTools
initSysTools
runUnlit
runCpp
runCc
runPp
runMangle
runSplit
runAs
runLink
runMkDLL
runWindres
runLlvmOpt
runLlvmLlc
touch
copy
copyWithHeader
getExtraViaCOpts
setTmpDir
newTempName
cleanTempDirs
cleanTempFiles
cleanTempFilesExcept
addFilesToClean
data Option