From 86f4e9d76a75c405b3b6c5b3f1717df0e45f4e68 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Sun, 6 Nov 2016 18:58:22 +0100
Subject: gnu: fftw: Build threads library.

* gnu/packages/algebra.scm (fftw)[arguments]: Add "--enable-threads" to
configure flags.
---
 gnu/packages/algebra.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'gnu/packages')

diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index 8e9695da51..e21277525c 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -544,7 +544,8 @@ (define-public fftw
                "1kwbx92ps0r7s2mqy7lxbxanslxdzj7dp7r7gmdkzv1j8yqf3kwf"))))
     (build-system gnu-build-system)
     (arguments
-     '(#:configure-flags '("--enable-shared" "--enable-openmp")
+     '(#:configure-flags
+       '("--enable-shared" "--enable-openmp" "--enable-threads")
        #:phases (alist-cons-before
                  'build 'no-native
                  (lambda _
-- 
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