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-rw-r--r--pkgs/development/python-modules/matplotlib/2.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/python-modules/matplotlib/2.nix b/pkgs/development/python-modules/matplotlib/2.nix
index 6334d2e4f79..fb433be8d99 100644
--- a/pkgs/development/python-modules/matplotlib/2.nix
+++ b/pkgs/development/python-modules/matplotlib/2.nix
@@ -34,13 +34,15 @@ buildPythonPackage rec {
 
   XDG_RUNTIME_DIR = "/tmp";
 
+  nativeBuildInputs = [ pkgconfig ];
+
   buildInputs = [ python which sphinx stdenv ]
     ++ stdenv.lib.optional enableGhostscript ghostscript
     ++ stdenv.lib.optional stdenv.isDarwin [ Cocoa ];
 
   propagatedBuildInputs =
     [ cycler dateutil nose numpy pyparsing tornado freetype kiwisolver
-      libpng pkgconfig mock pytz ]
+      libpng mock pytz ]
     ++ stdenv.lib.optional (pythonOlder "3.3") backports_functools_lru_cache
     ++ stdenv.lib.optional enableGtk2 pygtk
     ++ stdenv.lib.optionals enableGtk3 [ cairo pycairo gtk3 gobject-introspection pygobject3 ]