1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/libraries/libunistring/default.nix b/pkgs/development/libraries/libunistring/default.nix
index 662767b6678f..c4acc0627af8 100644
--- a/pkgs/development/libraries/libunistring/default.nix
+++ b/pkgs/development/libraries/libunistring/default.nix
@@ -8,12 +8,14 @@ stdenv.mkDerivation rec {
     sha256 = "1ra1baz2187kbw9im47g6kqb5mx9plq703mkjxaval8rxv5q3q4w";
   };
 
-  patches = stdenv.lib.optional stdenv.isDarwin [ ./clang.patch ];
+  patches = stdenv.lib.optionals stdenv.isDarwin [ ./clang.patch stdenv.secure-format-patch ];
 
   outputs = [ "out" "dev" "info" "doc" ];
 
   propagatedBuildInputs = stdenv.lib.optional (!stdenv.isLinux) libiconv;
 
+  enableParallelBuilding = false;
+
   configureFlags = [
     "--with-libiconv-prefix=${libiconv}"
   ];