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utils: Turn 'parallel-job-count' into a parameter.

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* guix/build/utils.scm (parallel-job-count): Turn into a SRFI-39 parameter.
This commit is contained in:
Ludovic Courtès 2014-11-22 21:57:05 +01:00
parent e8c7fdda5d
commit 1d1fa9327c
1 changed files with 7 additions and 7 deletions
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14
guix/build/utils.scm
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@ -73,13 +73,13 @@
(or (getenv "NIX_STORE")
"/gnu/store"))
(define (parallel-job-count)
"Return the number of processes to be passed next to GNU Make's `-j'
argument."
(match (getenv "NIX_BUILD_CORES") ;set by the daemon
(#f 1)
("0" (current-processor-count))
(x (or (string->number x) 1))))
(define parallel-job-count
;; Number of processes to be passed next to GNU Make's `-j' argument.
(make-parameter
(match (getenv "NIX_BUILD_CORES") ;set by the daemon
(#f 1)
("0" (current-processor-count))
(x (or (string->number x) 1)))))
(define (directory-exists? dir)
"Return #t if DIR exists and is a directory."