summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMarius Bakke <mbakke@fastmail.com>2018-04-08 21:53:22 +0200
committerMarius Bakke <mbakke@fastmail.com>2018-04-08 22:32:24 +0200
commit33d82486d5054b6c44cc40043bb552b71bbaef42 (patch)
tree5c4812becfbfcd2e48c91d5a8f31d5c7329b176b
parent17f93ba1223257ac6352e7d40bf7bb99b23d0b97 (diff)
gnu: vc: Do not optimize for the build machine CPU.
* gnu/packages/maths.scm (vc)[arguments]: Add "-DTARGET_ARCHITECTURE=none" to #:configure-flags.
-rw-r--r--gnu/packages/maths.scm6
1 files changed, 5 insertions, 1 deletions
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