From 52c04b0347d60064f11ae8430e5a6c57a30ec831 Mon Sep 17 00:00:00 2001
From: Greg Price <gnprice@gmail.com>
Date: Wed, 13 May 2020 19:52:36 -0700
Subject: [PATCH] cpython: Use autoreconfHook to rebuild configure script.

In particular this will let us use patches that apply to configure.ac.
---
 .../development/interpreters/python/cpython/2.7/default.nix | 6 ++++--
 pkgs/development/interpreters/python/cpython/default.nix    | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/interpreters/python/cpython/2.7/default.nix b/pkgs/development/interpreters/python/cpython/2.7/default.nix
index 0df49213f5a..e9d6c97cfd4 100644
--- a/pkgs/development/interpreters/python/cpython/2.7/default.nix
+++ b/pkgs/development/interpreters/python/cpython/2.7/default.nix
@@ -12,6 +12,7 @@
 , zlib
 , self
 , configd, coreutils
+, autoreconfHook
 , python-setup-hook
 # Some proprietary libs assume UCS2 unicode, especially on darwin :(
 , ucsEncoding ? 4
@@ -186,8 +187,9 @@ let
     ++ optionals x11Support [ tcl tk xlibsWrapper libX11 ]
     ++ optional (stdenv.isDarwin && configd != null) configd;
   nativeBuildInputs =
-    optionals (stdenv.hostPlatform != stdenv.buildPlatform)
-    [ buildPackages.stdenv.cc buildPackages.python ];
+    [ autoreconfHook ]
+    ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform)
+      [ buildPackages.stdenv.cc buildPackages.python ];
 
   mkPaths = paths: {
     C_INCLUDE_PATH = makeSearchPathOutput "dev" "include" paths;
diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 7dbe6216e72..b860e357b04 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -12,6 +12,7 @@
 , zlib
 , self
 , configd
+, autoreconfHook
 , python-setup-hook
 , nukeReferences
 # For the Python package set
@@ -51,6 +52,7 @@ let
   version = with sourceVersion; "${major}.${minor}.${patch}${suffix}";
 
   nativeBuildInputs = [
+    autoreconfHook
     nukeReferences
   ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
     buildPackages.stdenv.cc