treewide: Remove usage of remaining redundant platform compatability stuff

Want to get this out of here for 18.09, so it can be deprecated
thereafter.

1 files changed, 3 insertions, 2 deletions

diff --git a/pkgs/stdenv/cross/default.nix b/pkgs/stdenv/cross/default.nix
index bc8d772530a1..31ca9f2c82e4 100644
--- a/pkgs/stdenv/cross/default.nix
+++ b/pkgs/stdenv/cross/default.nix
@@ -23,8 +23,9 @@ in lib.init bootStages ++ [
     inherit config overlays;
     selfBuild = false;
     stdenv =
-      assert vanillaPackages.hostPlatform == localSystem;
-      assert vanillaPackages.targetPlatform == localSystem;
+      assert vanillaPackages.stdenv.buildPlatform == localSystem;
+      assert vanillaPackages.stdenv.hostPlatform == localSystem;
+      assert vanillaPackages.stdenv.targetPlatform == localSystem;
       vanillaPackages.stdenv.override { targetPlatform = crossSystem; };
     # It's OK to change the built-time dependencies
     allowCustomOverrides = true;