(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:MKIMAGE)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: (C {<type>} {<-path>} {(DQ (${ Id.VSub_Name CROSS_COMPILE) <mkimage>)})
              )
            }
          spids: [14]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (C {<Id.Lit_LBracket '['>} {<-z>} {(DQ (${ Id.VSub_Name MKIMAGE))} 
                      {<Id.Lit_RBracket ']'>}
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:MKIMAGE)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_DollarParen '$('>
                        child: (C {<type>} {<-path>} {<mkimage>})
                      )
                    }
                  spids: [47]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {<-z>} {(DQ (${ Id.VSub_Name MKIMAGE))} 
                              {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (command.Simple
                      words: [
                        {<echo>}
                        {(SQ <'"mkimage" command not found - U-Boot images will not be built'>)}
                      ]
                      redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.Sentence
                      child: (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  spids: [57 72]
                )
              ]
            )
          ]
          spids: [29 44]
        )
      ]
    )
    (C {(${ Id.VSub_Name MKIMAGE)} {(DQ ($ Id.VSub_At '$@'))})
  ]
)