On 29 July 2013 10:21, 白い熊 <guile-user_gnu....@sumou.com> wrote:
> Hello:
>
> I'm developping a program which I'd like to be able to use without
> modification with Guile as the interpreter as well as Emacs lisp and clisp.
>
>
Cond-expand macro was supposed to assist "conditional compilation",
see an example below. I am not sure if all implementations you are
interested in supply it though.
Alexei
;;;
;;; Module/package systems differ between implementaitons:
;;;
(cond-expand
(guile
;;
;; Primary implementation:
;;
(define-module (guile scheduling)
#:use-module (ice-9 pretty-print)
#:use-module (srfi srfi-1) ; list manipulations
#:export (qm-mpts->npts))
;; To get rid of deprecation warning make import of syncase
;; conditional:
(cond-expand
((not guile-2) (use-modules (ice-9 syncase))) ; define-syntax
(else))) ; else nothing
(else
;;
;; MzScheme, aka PLT Scheme, aka Racket (needs cond-expand macro in
;; ~/.mzschmerc):
;;
(require (lib "1.ss" "srfi"))
(define (1+ x) (+ 1 x))
(define (sorted? lst pred?) #t))) ; FIXME: lies!
