From 33d82486d5054b6c44cc40043bb552b71bbaef42 Mon Sep 17 00:00:00 2001 From: Marius Bakke Date: Sun, 8 Apr 2018 21:53:22 +0200 Subject: gnu: vc: Do not optimize for the build machine CPU. * gnu/packages/maths.scm (vc)[arguments]: Add "-DTARGET_ARCHITECTURE=none" to #:configure-flags. --- gnu/packages/maths.scm | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index 8db4a5594b..f4ebd886be 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -3539,7 +3539,11 @@ supports compressed MAT files, as well as newer (version 7.3) MAT files.") (build-system cmake-build-system) (arguments '(#:configure-flags - '("-DBUILD_TESTING=ON"))) + '("-DBUILD_TESTING=ON" + ;; By default, Vc will optimize for the CPU of the build machine. + ;; Setting this to "none" makes it create portable binaries. See + ;; "cmake/OptimizeForArchitecture.cmake". + "-DTARGET_ARCHITECTURE=none"))) (synopsis "SIMD vector classes for C++") (description "Vc provides portable, zero-overhead C++ types for explicitly data-parallel programming. It is a library designed to ease explicit -- cgit 1.4.1