From a2720a25b9d38a421cce4a6e6caf685481e6c40a Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Thu, 6 Oct 2016 17:55:23 +0200
Subject: [PATCH] Python 3.6: separate output for tkinter

---
 .../interpreters/python/cpython/3.6/default.nix      | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/interpreters/python/cpython/3.6/default.nix b/pkgs/development/interpreters/python/cpython/3.6/default.nix
index 3f25640afeaa..b019fdc5e8f5 100644
--- a/pkgs/development/interpreters/python/cpython/3.6/default.nix
+++ b/pkgs/development/interpreters/python/cpython/3.6/default.nix
@@ -29,6 +29,7 @@ let
   pythonVersion = majorVersion;
   version = "${majorVersion}.${minorVersion}${minorVersionSuffix}";
   libPrefix = "python${majorVersion}";
+  sitePackages = "lib/${libPrefix}/site-packages";
 
   buildInputs = filter (p: p != null) [
     glibc
@@ -103,8 +104,16 @@ stdenv.mkDerivation {
     echo "manylinux1_compatible=False" >> $out/lib/${libPrefix}/_manylinux.py
   '';
 
+  postFixup = ''
+    # tkinter goes in a separate output
+    mkdir -p $tkinter/${sitePackages}
+    mv $out/lib/${libPrefix}/lib-dynload/_tkinter* $tkinter/${sitePackages}/
+  '';
+
+  outputs = ["out" "tkinter"];
+
   passthru = rec {
-    inherit libPrefix;
+    inherit libPrefix sitePackages;
     zlibSupport = zlib != null;
     sqliteSupport = sqlite != null;
     dbSupport = db != null;
@@ -117,7 +126,6 @@ stdenv.mkDerivation {
     isPy3 = true;
     isPy35 = true;
     is_py3k = true;  # deprecated
-    sitePackages = "lib/${libPrefix}/site-packages";
     interpreter = "${self}/bin/${executable}";
   };