build-system/gnu: Work around 'time-monotonic' bug in Guile 2.2.2.

Fixes <http://bugs.gnu.org/27303>.
Reported by Leo Famulari <leo@famulari.name>.

* guix/build/gnu-build-system.scm (time-monotonic) [guile-2.2]: Define.
This commit is contained in:
Ludovic Courtès 2017-06-11 22:50:43 +02:00
parent 05ffd29d97
commit 2ac6998063
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@ -39,6 +39,13 @@ (define-module (guix build gnu-build-system)
;;
;; Code:
(cond-expand
(guile-2.2
;; Guile 2.2.2 has a bug whereby 'time-monotonic' objects have seconds and
;; nanoseconds swapped (fixed in Guile commit 886ac3e). Work around it.
(define time-monotonic time-tai))
(else #t))
(define* (set-SOURCE-DATE-EPOCH #:rest _)
"Set the 'SOURCE_DATE_EPOCH' environment variable. This is used by tools
that incorporate timestamps as a way to tell them to use a fixed timestamp.