(List
  (Com {[LIT_CHARS exec]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
    >
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('sys', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS uname]} {[LIT_CHARS -s]}) (Com {[LIT_CHARS tr]} {[SQ <LIT_CHARS "/:[A-Z]">]} {[SQ <LIT_CHARS "..[a-z]">]}) )]]})])
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS x] [DQ [VarSub sys]]} {[LIT_NEQUAL "!="]} {[LIT_CHARS x]} {[LIT_DBRACKET_LIKE "]"]}    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('unamer', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS uname]} {[LIT_CHARS -r]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('unamem', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS uname]} {[LIT_CHARS -m]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('unamev', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS uname]} {[LIT_CHARS -v]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
      (Case to_match={[DQ [VarSub sys]]}, pat_word_list=[[{[LIT_CHARS bsd.os]}, {[LIT_CHARS freebsd]}, {[LIT_CHARS netbsd]}, {[LIT_CHARS openbsd]}], [{[LIT_CHARS linux]}], [{[LIT_CHARS aix]}], [{[LIT_CHARS sunos]}], [{[LIT_CHARS unix_sv]}], [{[LIT_OTHER "*"]}]]
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamer]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [ComSub (Com {[LIT_CHARS sysctl]} {[LIT_CHARS -n]} {[LIT_CHARS hw.model]})]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamer]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
          (Case to_match={[DQ [VarSub chip]]}, pat_word_list=[[{[LIT_CHARS i386]}, {[LIT_CHARS i486]}, {[LIT_CHARS i586]}, {[LIT_CHARS i686]}], [{[LIT_CHARS alpha]}]]
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [LIT_CHARS i386]]})])
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [LIT_CHARS alpha]]})])
          )
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamev][LIT_CHARS -][VarSub unamer]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS arch]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamer][LIT_CHARS -][VarSub unamev]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [ComSub (Pipeline (Subshell (AndOr OP_OR_IF (Com {[LIT_CHARS uname]} {[LIT_CHARS -p]}) (Com {[LIT_CHARS mach]}) ) ) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS arch]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS arch]} {[LIT_CHARS -k]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamer][LIT_CHARS -][VarSub unamev]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [ComSub (Com {[LIT_CHARS uname]} {[LIT_CHARS -m]})]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [VarSub sys][LIT_CHARS -][VarSub unamer][LIT_CHARS -][VarSub unamev]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS arch]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub unamem]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
      )
    )
    (ElseTrue)
    (List
      (Com {[LIT_CHARS gcc]} {[LIT_CHARS -c]} {[LIT_CHARS trycpp.c]}      )
      (Com {[LIT_CHARS gcc]} {[LIT_CHARS -o]} {[LIT_CHARS trycpp]} {[LIT_CHARS trycpp.o]}      )
      (Case to_match={[ComSub (Com {[LIT_CHARS ./trycpp]})]}, pat_word_list=[[{[LIT_CHARS nextstep]}], [{[LIT_OTHER "*"]}]]
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [LIT_CHARS nextstep-][ComSub (Pipeline (Com {[LIT_CHARS hostinfo]}) (Com {[LIT_CHARS sed]} {[LIT_CHARS -n]} {[SQ <LIT_CHARS "s/^[ \t]*NeXT Mach \\([^:]*\\):.*$/\\1/p">]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS hostinfo]}) (Com {[LIT_CHARS sed]} {[LIT_CHARS -n]} {[SQ <LIT_CHARS "s/^Processor type: \\(.*\\) (.*)$/\\1/p">]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS hostinfo]}) (Com {[LIT_CHARS sed]} {[LIT_CHARS -n]} {[SQ <LIT_CHARS "s/^Processor type: .* (\\(.*\\))$/\\1/p">]}) (Com {[LIT_CHARS tr]} {[SQ <LIT_CHARS " /:">]} {[SQ <LIT_CHARS ...>]}) )]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('oper', {[DQ [LIT_CHARS unknown]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arch', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('syst', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ ]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('kern', {[DQ ]})])
        )
      )
      (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[LIT_CHARS trycpp.o]} {[LIT_CHARS trycpp]}      )
    )
  )
  (Case to_match={[DQ [VarSub chip]]}, pat_word_list=[[{[LIT_CHARS 80486]}], [{[LIT_CHARS i486DX]}], [{[LIT_CHARS i486.DX2]}], [{[LIT_CHARS Intel.586]}], [{[LIT_CHARS i586]}], [{[LIT_CHARS i686]}]]
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS i486]})])
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS i486-dx]})])
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS i486-dx2]})])
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS pentium]})])
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS pentium]})])
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[LIT_CHARS ppro]})])
  )
  (If
    (Com {[LIT_CHARS gcc]} {[LIT_CHARS -c]} {[LIT_CHARS x86cpuid.c]}    )
    (If
      (Com {[LIT_CHARS gcc]} {[LIT_CHARS -o]} {[LIT_CHARS x86cpuid]} {[LIT_CHARS x86cpuid.o]}      )
      (List
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x86cpuid', {[DQ [ComSub (Pipeline (Com {[LIT_CHARS ./x86cpuid]}) (Com {[LIT_CHARS tr]} {[LIT_CHARS /] [LIT_OTHER ":"]} {[LIT_CHARS ..]}) )]]})])
        (Case to_match={[DQ [VarSub x86cpuid]]}, pat_word_list=[[{[LIT_OTHER "?"] [LIT_OTHER "*"]}]]
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('chip', {[DQ [VarSub x86cpuid]]})])
        )
      )
    )
  )
  (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[LIT_CHARS x86cpuid]} {[LIT_CHARS x86cpuid.o]}  )
  (Pipeline
    (Com {[LIT_CHARS echo]} {[DQ [VarSub oper][LIT_CHARS "-:"][VarSub arch][LIT_CHARS "-:"][VarSub syst][LIT_CHARS "-:"][VarSub chip][LIT_CHARS "-:"][VarSub kern][LIT_CHARS -]]}    )
    (Com {[LIT_CHARS tr]} {[SQ <LIT_CHARS " [A-Z]">]} {[SQ <LIT_CHARS ".[a-z]">]}    )
  )
)