pkgs/development/libraries: stdenv.lib -> lib

pkgs/development/libraries/folly/default.nix

@@ -1,4 +1,4 @@
-{ stdenv
+{ lib, stdenv
 , fetchFromGitHub
 , cmake
 , boost
@@ -52,7 +52,7 @@ stdenv.mkDerivation (rec {
 
   cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "An open-source C++ library developed and used at Facebook";
     homepage = "https://github.com/facebook/folly";
     license = licenses.asl20;
@@ -60,6 +60,6 @@ stdenv.mkDerivation (rec {
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
     maintainers = with maintainers; [ abbradar pierreis ];
   };
-} // stdenv.lib.optionalAttrs stdenv.isDarwin {
+} // lib.optionalAttrs stdenv.isDarwin {
   LDFLAGS = "-ljemalloc";
 })