diff --git a/pkgs/development/libraries/xml-tooling-c/default.nix b/pkgs/development/libraries/xml-tooling-c/default.nix
index cc9b479a89c4..139a4c8cccdf 100644
--- a/pkgs/development/libraries/xml-tooling-c/default.nix
+++ b/pkgs/development/libraries/xml-tooling-c/default.nix
@@ -13,8 +13,11 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost curl openssl log4shib xercesc xml-security-c ];
   nativeBuildInputs = [ autoreconfHook ];
 
-  meta = {
-    description = "A low-level library that provides a high level interface to XML processing for OpenSAML 2";
-  };
+  enableParallelBuilding = true;
 
+  meta = with stdenv.lib; {
+    description = "A low-level library that provides a high level interface to XML processing for OpenSAML 2";
+    platforms   = platforms.unix;
+    license     = licenses.asl20;
+  };
 }