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cs: require Chez Scheme 9.5.3

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This commit is contained in:
Matthew Flatt 2019-04-07 10:24:42 +02:00
parent 5a638073eb
commit 39c67f8b6a
1 changed files with 6 additions and 0 deletions
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6
racket/src/cs/compile-file.ss
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@ -2,6 +2,12 @@
;; Check to make we're using a build of Chez Scheme ;; Check to make we're using a build of Chez Scheme
;; that has all the features we need. ;; that has all the features we need.
(let-values ([(maj min sub) (scheme-version-number)])
(unless (and (>= maj 9)
(>= maj 5)
(>= maj 3))
(error 'compile-file "need a newer Chez Scheme")))
(define (check-ok what thunk) (define (check-ok what thunk)
(unless (guard (x [else #f]) (thunk)) (unless (guard (x [else #f]) (thunk))
(error 'compile-file (error 'compile-file