top-level: {build,host,target}Platform are defined in the stdenv instead

See #27069 for a discussion of this

1 files changed, 4 insertions, 7 deletions

diff --git a/pkgs/stdenv/cross/default.nix b/pkgs/stdenv/cross/default.nix
index 125c4300975..c83714d01f2 100644
--- a/pkgs/stdenv/cross/default.nix
+++ b/pkgs/stdenv/cross/default.nix
@@ -14,21 +14,18 @@ in bootStages ++ [
 
   # Build Packages
   (vanillaPackages: {
-    buildPlatform = localSystem;
-    hostPlatform = localSystem;
-    targetPlatform = crossSystem;
     inherit config overlays;
     selfBuild = false;
+    stdenv =
+      assert vanillaPackages.hostPlatform == localSystem;
+      assert vanillaPackages.targetPlatform == localSystem;
+      vanillaPackages.stdenv.override { targetPlatform = crossSystem; };
     # It's OK to change the built-time dependencies
     allowCustomOverrides = true;
-    inherit (vanillaPackages) stdenv;
   })
 
   # Run Packages
   (buildPackages: {
-    buildPlatform = localSystem;
-    hostPlatform = crossSystem;
-    targetPlatform = crossSystem;
     inherit config overlays;
     selfBuild = false;
     stdenv = buildPackages.makeStdenvCross {