lib.makePerlPath -> perlPackages.makePerlPath

pkgs/development/tools/misc/icon-naming-utils/default.nix

@@ -1,4 +1,4 @@
-{stdenv, fetchurl, perl, XMLSimple, librsvg}:
+{stdenv, fetchurl, perlPackages, librsvg}:
 
 stdenv.mkDerivation rec {
   name = "icon-naming-utils-0.8.90";
@@ -8,13 +8,13 @@ stdenv.mkDerivation rec {
     sha256 = "071fj2jm5kydlz02ic5sylhmw6h2p3cgrm3gwdfabinqkqcv4jh4";
   };
 
-  buildInputs = [perl XMLSimple librsvg];
+  buildInputs = [ librsvg ] ++ (with perlPackages; [ perl XMLSimple ]);
 
   postInstall =
     ''
       # Add XML::Simple to the runtime search path.
       substituteInPlace $out/libexec/icon-name-mapping \
-          --replace '/bin/perl' '/bin/perl -I${XMLSimple}/lib/perl5/site_perl'
+          --replace '/bin/perl' '/bin/perl -I${perlPackages.XMLSimple}/${perlPackages.perl.libPrefix}'
     '';
 
   meta = with stdenv.lib; {