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-rw-r--r--pkgs/build-support/rust/default.nix3
1 files changed, 2 insertions, 1 deletions
diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index 795ce841ffb6..770a6d1042e7 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -70,7 +70,8 @@ let
 
   # Specify the stdenv's `diff` by abspath to ensure that the user's build
   # inputs do not cause us to find the wrong `diff`.
-  diff = "${diffutils}/bin/diff";
+  # The `.nativeDrv` stanza works like nativeBuildInputs and ensures cross-compiling has the right version available.
+  diff = "${diffutils.nativeDrv or diffutils}/bin/diff";
 
 in