From db1a15314da4ae1c83877942cef2941ae8fb80cf Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Fri, 5 Oct 2012 23:21:09 +0200
Subject: Support build-cores = 0; change `guix-build' to default to 0.

* guix/build/gnu-build-system.scm (%parallel-job-count): New variable.
  (build, check): Use it instead of $NIX_BUILD_CORES.

* guix-build.in (guix-build): Default to 0 for the #:build-cores option.
---
 guix-build.in | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'guix-build.in')

diff --git a/guix-build.in b/guix-build.in
index 6440f0a4db..058e13109a 100644
--- a/guix-build.in
+++ b/guix-build.in
@@ -198,8 +198,7 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
     ;; TODO: Add more options.
     (set-build-options %store
                        #:keep-failed? (assoc-ref opts 'keep-failed?)
-                       #:build-cores (or (assoc-ref opts 'cores)
-                                         (current-processor-count)))
+                       #:build-cores (or (assoc-ref opts 'cores) 0))
 
     (if (assoc-ref opts 'derivations-only?)
         (format #t "~{~a~%~}" drv)
-- 
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