From a337c44db65bdb7838bf1b1875631879b3a820c9 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Thu, 4 Jun 2020 18:37:59 +0200
Subject: [PATCH] python3Minimal: disable optimizations

No point for the bootstrapping.
---
 pkgs/development/interpreters/python/cpython/default.nix | 4 +++-
 pkgs/development/interpreters/python/default.nix         | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 9f0ac8d69728..8886b60d39e4 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -31,6 +31,7 @@
 , stripBytecode ? false
 , includeSiteCustomize ? true
 , static ? false
+, enableOptimizations ? true
 }:
 
 assert x11Support -> tcl != null
@@ -151,11 +152,12 @@ in with passthru; stdenv.mkDerivation {
   PYTHONHASHSEED=0;
 
   configureFlags = [
-    "--enable-optimizations"
     "--enable-shared"
     "--without-ensurepip"
     "--with-system-expat"
     "--with-system-ffi"
+  ] ++ optionals enableOptimizations [
+    "--enable-optimizations"
   ] ++ optionals (pythonOlder "3.7") [
     # This is unconditionally true starting in CPython 3.7.
     "--with-threads"
diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 6da7abc876e7..a4bf8599aac6 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -146,6 +146,7 @@ in {
     rebuildBytecode = false;
     stripBytecode = true;
     includeSiteCustomize = false;
+    enableOptimizations = false;
   }).overrideAttrs(old: {
     pname = "python3-minimal";
     meta = old.meta // {