(command.CommandList
  children: [
    (C {<'/bin/rm'>} {<-f>} {<mttest>})
    (C {<pgcc>} {<-DPTHREADS>} {<'-I../../include'>} {<-g>} {<mttest.c>} {<-o>} {<mttest>} {<'-L../..'>} 
      {<-lssl>} {<-lcrypto>}
    )
  ]
)