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build-system/gnu: Set 'SOURCE_DATE_EPOCH'. 

Suggested by Ludovic Courtès <ludo@gnu.org>.

* guix/build/gnu-build-system.scm (gnu-build): Set SOURCE_DATE_EPOCH for
  deterministic builds.
This commit is contained in:
Alex Kost 2015-11-14 14:04:43 +03:00
parent 4655f515dc
commit f7dbeb376b
1 changed files with 3 additions and 0 deletions
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guix/build/gnu-build-system.scm
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@ -576,6 +576,9 @@ in order. Return #t if all the PHASES succeeded, #f otherwise."
;; Encoding/decoding errors shouldn't be silent. ;; Encoding/decoding errors shouldn't be silent.
(fluid-set! %default-port-conversion-strategy 'error) (fluid-set! %default-port-conversion-strategy 'error)
;; Avoid non-determinism related to generated timestamps.
(setenv "SOURCE_DATE_EPOCH" "1")
;; The trick is to #:allow-other-keys everywhere, so that each procedure in ;; The trick is to #:allow-other-keys everywhere, so that each procedure in
;; PHASES can pick the keyword arguments it's interested in. ;; PHASES can pick the keyword arguments it's interested in.
(every (match-lambda (every (match-lambda