From af5b817ea9f4320b4cbffc85b3f57223a5b9463c Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Wed, 25 Mar 2015 19:20:11 +0100
Subject: [PATCH] gnu: openblas: build for all supported CPUs.
* gnu/packages/maths.scm (openblas)[arguments]: Add "DYNAMIC_ARCH=1" to
make flags. Remove "#:substitutable? #f".
---
gnu/packages/maths.scm | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 49667cc71b0..417af4a91bc 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -1033,11 +1033,14 @@ (define-public openblas
(build-system gnu-build-system)
(arguments
'(#:tests? #f ;no "check" target
- #:substitutable? #f ;force local build because of CPU detection
#:make-flags
(list (string-append "PREFIX=" (assoc-ref %outputs "out"))
"SHELL=bash"
- "NO_LAPACK=1")
+ "NO_LAPACK=1"
+ ;; Build the library for all supported CPUs. This allows
+ ;; switching CPU targets at runtime with the environment variable
+ ;; OPENBLAS_CORETYPE=<type>, where "type" is a supported CPU type.
+ "DYNAMIC_ARCH=1")
;; no configure script
#:phases (alist-delete 'configure %standard-phases)))
(inputs
--
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