1 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix b/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
index ad3f5dea9757..2c98dd35e39d 100644
--- a/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
+++ b/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
@@ -115,6 +115,8 @@ appleDerivation {
     ln -s libresolv.9.dylib $out/lib/libresolv.dylib
   '';
 
+  appleHeaders = builtins.readFile ./headers.txt;
+
   meta = with lib; {
     description = "The Mac OS libc/libSystem (tapi library with pure headers)";
     maintainers = with maintainers; [ copumpkin gridaphobe ];