(List
  (FunctionDef die []
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (FunctionDef clean []
    (Pipeline
      (Com {[LIT_CHARS echo]} {[VarSub 1]})
      (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s/\\\\//g">]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_autoconf_version', {[SQ <LIT_CHARS "2\\.61">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_autoheader_version', {[VarSub want_autoconf_version]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_aclocal_version', {[SQ <LIT_CHARS "1\\.10">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_libtool_version', {[SQ <LIT_CHARS "1\\.5\\.22">]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('outfile', {[LIT_CHARS configure]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('configfile', {[LIT_CHARS configure.ac]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_autoconf_version_clean', {[ComSub (Com {[LIT_CHARS clean]} {[VarSub want_autoconf_version]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_autoheader_version_clean', {[ComSub (Com {[LIT_CHARS clean]} {[VarSub want_autoheader_version]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_aclocal_version_clean', {[ComSub (Com {[LIT_CHARS clean]} {[VarSub want_aclocal_version]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('want_libtool_version_clean', {[ComSub (Com {[LIT_CHARS clean]} {[VarSub want_libtool_version]})]})])
  (AndOr OP_AND_IF
    (Com {[LIT_CHARS test]} {[LIT_CHARS -d]} {[LIT_CHARS autoconf]})
    (AndOr OP_AND_IF
      (Com {[LIT_CHARS test]} {[LIT_CHARS -f]} {[LIT_CHARS autoconf/] [VarSub configfile]})
      (Com {[LIT_CHARS cd]} {[LIT_CHARS autoconf]})
    )
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS test]} {[LIT_CHARS -f]} {[VarSub configfile]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Can't find 'autoconf' dir; please cd into it first"]]})
  )
  (Pipeline
    (Com {[LIT_CHARS autoconf]} {[LIT_CHARS --version]})
    (Com {[LIT_CHARS grep]} {[VarSub want_autoconf_version]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS test]} {[VarSub ?]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Your autoconf was not detected as being "][VarSub want_autoconf_version_clean]]})
  )
  (Pipeline
    (Com {[LIT_CHARS aclocal]} {[LIT_CHARS --version]})
    (Com {[LIT_CHARS grep]} {[SQ <LIT_CHARS "^aclocal.*">] [VarSub want_aclocal_version]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS test]} {[VarSub ?]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Your aclocal was not detected as being "][VarSub want_aclocal_version_clean]]})
  )
  (Pipeline
    (Com {[LIT_CHARS autoheader]} {[LIT_CHARS --version]})
    (Com {[LIT_CHARS grep]} {[SQ <LIT_CHARS "^autoheader.*">] [VarSub want_autoheader_version]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS test]} {[VarSub ?]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Your autoheader was not detected as being "][VarSub want_autoheader_version_clean]]})
  )
  (Pipeline
    (Com {[LIT_CHARS libtool]} {[LIT_CHARS --version]})
    (Com {[LIT_CHARS grep]} {[VarSub want_libtool_version]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      >
    )
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS test]} {[VarSub ?]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "Your libtool was not detected as being "][VarSub want_libtool_version_clean]]})
  )
  (Com {[LIT_CHARS echo]} {[DQ ]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### NOTE: ############################################################"]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### If you get *any* warnings from autoconf below you MUST fix the"]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### scripts in the m4 directory because there are future forward"]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### compatibility or platform support issues at risk. Please do NOT"]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### commit any configure script that was generated with warnings"]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "### present. You should get just three 'Regenerating..' lines."]]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "######################################################################"]]})
  (Com {[LIT_CHARS echo]} {[DQ ]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Regenerating aclocal.m4 with aclocal "][VarSub want_aclocal_version_clean]]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('cwd', {[ComSub (Com {[LIT_CHARS pwd]})]})])
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS aclocal]} {[LIT_CHARS --force]} {[LIT_CHARS -I]} {[VarSub cwd] [LIT_CHARS /m4]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "aclocal failed"]]})
  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Regenerating configure with autoconf "][VarSub want_autoconf_version_clean]]})
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS autoconf]} {[LIT_CHARS --force]} {[LIT_CHARS --warnings] [LIT_OTHER "="] [LIT_CHARS all]} {[LIT_CHARS -o]} {[LIT_CHARS ../] [VarSub outfile]} {[VarSub configfile]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "autoconf failed"]]})
  )
  (Com {[LIT_CHARS cd]} {[LIT_CHARS ..]})
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Regenerating config.h.in with autoheader "][VarSub want_autoheader_version_clean]]})
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS autoheader]} {[LIT_CHARS --warnings] [LIT_OTHER "="] [LIT_CHARS all]} {[LIT_CHARS -I]} {[LIT_CHARS autoconf]} {[LIT_CHARS -I]} {[LIT_CHARS autoconf/m4]} {[LIT_CHARS autoconf/] [VarSub configfile]})
    (Com {[LIT_CHARS die]} {[DQ [LIT_CHARS "autoheader failed"]]})
  )
  (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
)