./chicken-boot-stage1 chicken.scm -optimize-level 2 -include-path . -include-path
s ./types.db   -no-lambda-info -local -no-trace  -extend private-namespace.scm -n

Error: (append) bad argument type - not a proper list: *

        Call history:

        <syntax>          (warning "invalid compiler option (ignored)" (if (strin
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))
        <syntax>          (if (string? o) o (conc "-" o))
        <syntax>          (##core#if (string? o) o (conc "-" o))
        <syntax>          (string? o)
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))
        <syntax>          (conc "-" o)
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))
        <syntax>          (loop rest)
        <syntax>          (##core#let () loop)
        <syntax>          (##core#begin loop)
        <syntax>          (apply compile-source-file filename options)
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))
        <syntax>          (exit)
        <eval>    [##sys#alias-global-hook] (get var (quote c:namespace))       <