1 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/swift/default.nix b/nixpkgs/pkgs/development/compilers/swift/default.nix
index 0da2510f09a0..afb8ce39dcce 100644
--- a/nixpkgs/pkgs/development/compilers/swift/default.nix
+++ b/nixpkgs/pkgs/development/compilers/swift/default.nix
@@ -55,7 +55,8 @@ let
     darwin = pkgs.darwin.overrideScope (_: prev: {
       inherit apple_sdk;
       inherit (apple_sdk) Libsystem LibsystemCross libcharset libunwind objc4 configd IOKit Security;
-      CF = apple_sdk.CoreFoundation;
+      CF = apple_sdk.CoreFoundation // { __attrsFailEvaluation = true; };
+      __attrsFailEvaluation = true;
     });
     xcodebuild = pkgs.xcbuild.override {
       inherit (apple_sdk.frameworks) CoreServices CoreGraphics ImageIO;