From 0fdda5326fc72e25aa69a706ea73db2574c3cfd9 Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Fri, 16 Dec 2022 10:08:17 +0800
Subject: [PATCH] julia_18: set JULIA_CPU_TARGET to follow upstream binary
 releases

---
 pkgs/development/compilers/julia/1.8.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/compilers/julia/1.8.nix b/pkgs/development/compilers/julia/1.8.nix
index f36df62c4c11..708e04971cbe 100644
--- a/pkgs/development/compilers/julia/1.8.nix
+++ b/pkgs/development/compilers/julia/1.8.nix
@@ -106,6 +106,11 @@ stdenv.mkDerivation rec {
     "USE_SYSTEM_LIBWHICH=1"
     "USE_SYSTEM_ZLIB=1" # version checks, but the system zlib is used anyway
     "USE_SYSTEM_P7ZIP=1"
+  ] ++ lib.optionals stdenv.isx86_64 [
+    # https://github.com/JuliaCI/julia-buildbot/blob/master/master/inventory.py
+    "JULIA_CPU_TARGET=generic;sandybridge,-xsaveopt,clone_all;haswell,-rdrnd,base(1)"
+  ] ++ lib.optionals stdenv.isAarch64 [
+    "JULIA_CPU_TERGET=generic;cortex-a57;thunderx2t99;armv8.2-a,crypto,fullfp16,lse,rdm"
   ];
 
   doInstallCheck = true;