From 4f239f9d4973ceb00d1df2f85a853aeb60c34af9 Mon Sep 17 00:00:00 2001
From: Timo Kaufmann <timokau@zoho.com>
Date: Sun, 4 Mar 2018 01:36:31 +0100
Subject: [PATCH] sage: Make build more platform independant

---
 pkgs/applications/science/math/sage/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/math/sage/default.nix b/pkgs/applications/science/math/sage/default.nix
index 007cb68177e5..eed964e3fa57 100644
--- a/pkgs/applications/science/math/sage/default.nix
+++ b/pkgs/applications/science/math/sage/default.nix
@@ -30,6 +30,7 @@
 , texinfo
 , hevea
 , buildDocs ? false
+, optimize ? false # optimize sage to the current system (obviously impure)
 }:
 
 stdenv.mkDerivation rec {
@@ -139,7 +140,6 @@ stdenv.mkDerivation rec {
   configureFlags = stdenv.lib.optionals(buildDocs) [ "--docdir=$(doc)" ];
   preConfigure = ''
     export SAGE_NUM_THREADS="$NIX_BUILD_CORES"
-    export SAGE_ATLAS_ARCH=fast
 
     export HOME=/tmp/sage-home
     export SAGE_ROOT="$PWD"
@@ -160,6 +160,9 @@ stdenv.mkDerivation rec {
     mkdir -p "$doc"
     export SAGE_DOC="$doc"
     export SAGE_DOCBUILD_OPTS="--no-pdf-links -k"
+  ''
+  + stdenv.lib.optionalString (!optimize) ''
+    export SAGE_FAT_BINARY=yes
   '';
 
   buildFlags = if (buildDocs) then "doc" else "build";