1 files changed, 4 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/libidn2/default.nix b/nixpkgs/pkgs/development/libraries/libidn2/default.nix
index d8294f56adc3..724778999f5f 100644
--- a/nixpkgs/pkgs/development/libraries/libidn2/default.nix
+++ b/nixpkgs/pkgs/development/libraries/libidn2/default.nix
@@ -16,10 +16,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-dpQM1Od46Ak1eanRlbJf/16Tbp3GJCBoUotDenZ2T5E=";
   };
 
+  strictDeps = true;
+  # Beware: non-bootstrap libidn2 is overridden by ./hack.nix
   outputs = [ "bin" "dev" "out" "info" "devdoc" ];
 
   patches = optional stdenv.isDarwin ./fix-error-darwin.patch;
 
+  enableParallelBuilding = true;
+
   # The above patch causes the documentation to be regenerated, so the
   # documentation tools are required.
   nativeBuildInputs = optionals stdenv.isDarwin [ help2man texinfo ];