From 1a0ae573c7f04c2c9d1adb10ddeb816628f41c22 Mon Sep 17 00:00:00 2001
From: Eric Bavier <bavier@member.fsf.org>
Date: Thu, 22 Sep 2016 22:34:04 -0500
Subject: gnu: boost: Add -j for build.

* gnu/packages/boost.scm (boost)[arguments]: Add -j flag for build
phase.
---
 gnu/packages/boost.scm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/boost.scm')

diff --git a/gnu/packages/boost.scm b/gnu/packages/boost.scm
index ccc1f0664f..ab31fa8c5c 100644
--- a/gnu/packages/boost.scm
+++ b/gnu/packages/boost.scm
@@ -90,7 +90,9 @@
          (replace
              'build
            (lambda* (#:key outputs make-flags #:allow-other-keys)
-             (zero? (apply system* "./b2" make-flags))))
+             (zero? (apply system* "./b2"
+                           (format #f "-j~a" (parallel-job-count))
+                           make-flags))))
          (replace
              'install
            (lambda* (#:key outputs make-flags #:allow-other-keys)
-- 
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