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

pkgs/development/libraries/poppler/0.61.nix

@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ninja pkg-config ];
 
   # Not sure when and how to pass it.  It seems an upstream bug anyway.
-  CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isClang "-std=c++11";
+  CXXFLAGS = lib.optionalString stdenv.cc.isClang "-std=c++11";
 
   cmakeFlags = [
     (mkFlag true "XPDF_HEADERS")

pkgs/development/libraries/poppler/default.nix

@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ninja pkg-config ];
 
   # Workaround #54606
-  preConfigure = stdenv.lib.optionalString stdenv.isDarwin ''
+  preConfigure = lib.optionalString stdenv.isDarwin ''
     sed -i -e '1i cmake_policy(SET CMP0025 NEW)' CMakeLists.txt
   '';