(List
  (Com {[LIT_CHARS .]} {[LIT_CHARS ../library.sh]})
  (Com {[LIT_CHARS process_arguments]} {[DQ [VarSub @]]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('build_dir', {[DQ [VarSub LLVM_TOP][LIT_CHARS /build.llvm]]})])
  (If
    (Com {[LIT_CHARS test]} {[LIT_OTHER "!"]} {[LIT_CHARS -d]} {[DQ [VarSub build_dir]]})
    (Com {[LIT_CHARS mkdir]} {[LIT_CHARS -p]} {[DQ [VarSub build_dir]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_status', {[DQ [VarSub build_dir][LIT_CHARS /config.status]]})])
  (If
    (Com {[LIT_CHARS test]} {[LIT_OTHER "!"]} {[LIT_CHARS -f]} {[DQ [VarSub config_status]]} {[LIT_CHARS -o]} {[DQ [VarSub config_status]]} {[LIT_CHARS -ot]} {[DQ [VarSub 0]]})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [LIT_CHARS "--prefix="][VarSub PREFIX][LIT_CHARS " --with-llvmgccdir="][VarSub PREFIX]]})])
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub OPTIMIZED]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-optimized"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-optimized"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub DEBUG]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-debug"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-debug"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub ASSERTIONS]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-assertions"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-assertions"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub CHECKING]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-expensive-checks"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-expensive-checks"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub DOXYGEN]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-doxygen"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-doxygen"]]})])
      )
      (If
        (Com {[LIT_CHARS test]} {[DQ [VarSub THREADS]]} {[LIT_CHARS -eq]} {[LIT_CHARS 1]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --enable-threads"]]})])
        (ElseTrue)
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " --disable-threads"]]})])
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('config_options', {[DQ [VarSub config_options][LIT_CHARS " "][VarSub OPTIONS_DASH][LIT_CHARS " "][VarSub OPTIONS_DASH_DASH]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('src_dir', {[ComSub (Com {[LIT_CHARS pwd]})]})])
      (Com {[LIT_CHARS cd]} {[DQ [VarSub build_dir]]})
      (Com {[LIT_CHARS msg]} {[LIT_CHARS 0]} {[LIT_CHARS Configuring]} {[VarSub module]} {[LIT_CHARS with] [LIT_OTHER ":"]})
      (Com {[LIT_CHARS msg]} {[LIT_CHARS 0]} {[DQ [LIT_CHARS "  "][VarSub src_dir][LIT_CHARS /configure]]} {[VarSub config_options]})
      (AndOr OP_OR_IF
        (Com {[VarSub src_dir] [LIT_CHARS /configure]} {[VarSub config_options]})
        (Com {[LIT_CHARS die]} {[VarSub ?]} {[DQ [LIT_CHARS "Configuring "][VarSub module][LIT_CHARS " module failed"]]})
      )
    )
    (ElseTrue)
    (List
      (Com {[LIT_CHARS msg]} {[LIT_CHARS 0]} {[LIT_CHARS Module]} {[VarSub module]} {[LIT_CHARS already]} {[LIT_CHARS configured] [LIT_COMMA ","]} {[LIT_CHARS ignoring]} {[LIT_CHARS configure]} {[LIT_CHARS options.]})
      (Com {[LIT_CHARS cd]} {[DQ [VarSub build_dir]]})
    )
  )
  (Com {[LIT_CHARS msg]} {[LIT_CHARS 0]} {[LIT_CHARS Building]} {[VarSub module]} {[LIT_CHARS with] [LIT_OTHER ":"]})
  (Com {[LIT_CHARS msg]} {[LIT_CHARS 0]} {[DQ [LIT_CHARS "  make"]]} {[VarSub OPTIONS_ASSIGN]} {[LIT_CHARS tools-only]})
  (Com {[LIT_CHARS make]} {[VarSub OPTIONS_ASSIGN]} {[LIT_CHARS tools-only]})
)