On 2011-02-02, at 3:33 AM, Lewis wrote:
> Greetings all,
>
> I downloaded and compiled the reference SRFI-1 implementation,
>
http://srfi.schemers.org/srfi-1/srfi-1-reference.scm. I load the
> compiled version into gambit (after loading syntax case), but
> everytime it starts up I recieve these errors:
>
> lewis@1710:~$ gsc
> *** WARNING -- Variable ":optional" used in module "1-list-library.o1"
> is undefined
> *** WARNING -- Variable "let-optionals" used in module
> "1-list-library.o1" is undefined
> *** WARNING -- Variable "start" used in module "1-list-library.o1" is undefined.
>
> The only reference in the SRFI itself I can find is this
>
> ;;; The code has only these non-R4RS dependencies:
> ;;; A few calls to an ERROR procedure;
> ;;; Uses of the R5RS multiple-value procedure VALUES and the m-v binding
> ;;; RECEIVE macro (which isn't R5RS, but is a trivial macro).
> ;;; Many calls to a parameter-checking procedure check-arg:
> ;;; (define (check-arg pred val caller)
> ;;; (let lp ((val val))
> ;;; (if (pred val) val (lp (error "Bad argument" val pred caller)))))
> ;;; A few uses of the LET-OPTIONAL and :OPTIONAL macros for parsing
> ;;; optional arguments.
>
> Does anyone know how I can get these macros in gambit? (all the list
> procedures i want appear to work, but the error messages are
> annoying.)
>
> Thanks,
> Lewis
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