1 files changed, 3 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/libraries/libff/default.nix b/nixpkgs/pkgs/development/libraries/libff/default.nix
index 874f45cae709..72d2406aa82b 100644
--- a/nixpkgs/pkgs/development/libraries/libff/default.nix
+++ b/nixpkgs/pkgs/development/libraries/libff/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, boost, gmp, openssl, pkg-config }:
+{ lib, stdenv, fetchFromGitHub, cmake, boost, gmp, openssl, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "libff";
@@ -16,14 +16,14 @@ stdenv.mkDerivation rec {
 
   # CMake is hardcoded to always build static library which causes linker
   # failure for Haskell applications depending on haskellPackages.hevm on macOS.
-  postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
+  postPatch = lib.optionalString stdenv.isDarwin ''
     substituteInPlace libff/CMakeLists.txt --replace "STATIC" "SHARED"
   '';
 
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ boost gmp openssl ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "C++ library for Finite Fields and Elliptic Curves";
     changelog = "https://github.com/scipr-lab/libff/blob/develop/CHANGELOG.md";
     homepage = "https://github.com/scipr-lab/libff";