(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:ld)
          op: Equal
          rhs: 
            {
              (DQ 
                (CommandSubPart
                  command_list: (CommandList children:[(C {(head)} {(-1)} {(conf-ld)})])
                  left_token: <Left_Backtick '`'>
                  spids: [2 8]
                )
              )
            }
          spids: [0]
        )
      ]
      spids: [0]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:systype)
          op: Equal
          rhs: 
            {
              (DQ 
                (CommandSubPart
                  command_list: (CommandList children:[(C {(cat)} {(systype)})])
                  left_token: <Left_Backtick '`'>
                  spids: [13 17]
                )
              )
            }
          spids: [11]
        )
      ]
      spids: [11]
    )
    (C {(cat)} {(warn-auto.sh)})
    (C {(echo)} {(SQ <'main="$1"; shift'>)})
    (C {(echo)} {(exec)} {(DQ ($ VSub_Name '$ld'))} {(SQ <'-o "$main" "$main".o ${1+"$@"}'>)})
  ]
)