From 5a9d83aa59df15ea9e289157518f64818036e020 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 7 Jun 2022 13:56:57 +0200
Subject: [PATCH] Disable cross builds on platforms other than x86_64-linux

Needed because evaluation was broken on x86_64-darwin.
---
 flake.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 9a1442e52..e936b5249 100644
--- a/flake.nix
+++ b/flake.nix
@@ -610,7 +610,9 @@
               ln -s ${image} $image
               echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
             '';
-      } // builtins.listToAttrs (map (crossSystem: {
+      }
+
+      // builtins.listToAttrs (map (crossSystem: {
         name = "nix-${crossSystem}";
         value = let
           nixpkgsCross = import nixpkgs {
@@ -649,7 +651,9 @@
           doInstallCheck = true;
           installCheckFlags = "sysconfdir=$(out)/etc";
         };
-      }) crossSystems)) // (builtins.listToAttrs (map (stdenvName:
+      }) (if system == "x86_64-linux" then crossSystems else [])))
+
+      // (builtins.listToAttrs (map (stdenvName:
         nixpkgsFor.${system}.lib.nameValuePair
           "nix-${stdenvName}"
           nixpkgsFor.${system}."${stdenvName}Packages".nix