From e5bbf35b680cfebb5ef9a147985e702d75037912 Mon Sep 17 00:00:00 2001
From: Joachim Fasting <joachifm@fastmail.fm>
Date: Thu, 17 Mar 2016 16:13:34 +0100
Subject: [PATCH] julia-git: pass march=pentium4 for i686 targets

https://hydra.nixos.org/build/33235880/nixlog/1/raw
---
 pkgs/development/compilers/julia/git.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/julia/git.nix b/pkgs/development/compilers/julia/git.nix
index 2f4ce2f4b9e6..49c26592f2e8 100644
--- a/pkgs/development/compilers/julia/git.nix
+++ b/pkgs/development/compilers/julia/git.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation rec {
   makeFlags =
     let
       arch = head (splitString "-" stdenv.system);
-      march = { "x86_64" = "x86-64"; "i686" = "i686"; }."${arch}"
+      march = { "x86_64" = "x86-64"; "i686" = "pentium4"; }."${arch}"
               or (throw "unsupported architecture: ${arch}");
       # Julia requires Pentium 4 (SSE2) or better
       cpuTarget = { "x86_64" = "x86-64"; "i686" = "pentium4"; }."${arch}"