From fa585ebd6a94061694137642327e60e314afe6bd Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim@guixotic.coop>
Date: Sat, 4 Oct 2025 23:08:34 +0900
Subject: [PATCH] gnu: Add python2-cffi.

This is needed by Pypy 3.

* gnu/packages/libffi.scm (python2-cffi): New variable.

Fixes: #3183
Change-Id: I01f022c28c1a3b801b4a374bd8c52de4a8442d8a
Reviewed-by: Danny Milosavljevic <dannym@scratchpost.org>
---
 gnu/packages/libffi.scm | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/libffi.scm b/gnu/packages/libffi.scm
index 19842a9e9a48b734a964aa821f430ed955f58492..bd8e5fb727508e2fa24bdeb0c081e5fb6f0aa475 100644
--- a/gnu/packages/libffi.scm
+++ b/gnu/packages/libffi.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2016, 2017 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2017, 2019, 2020, 2022 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
-;;; Copyright © 2019, 2021 Maxim Cournoyer <maxim@guixotic.coop>
+;;; Copyright © 2019, 2021, 2025 Maxim Cournoyer <maxim@guixotic.coop>
 ;;; Copyright © 2020 John Doe <dftxbs3e@free.fr>
 ;;; Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2024 Sharlatan Hellseher <sharlatanus@gmail.com>
@@ -35,6 +35,7 @@
   #:use-module (guix git-download)
   #:use-module (guix utils)
   #:use-module (gnu packages check)
+  #:use-module (gnu packages crypto)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-build)
@@ -44,7 +45,9 @@
   #:use-module (gnu packages sphinx)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system pyproject)
-  #:use-module ((guix build-system python) #:select (pypi-uri))
+  #:use-module ((guix build-system python) #:select (pypi-uri
+                                                     package-with-python2
+                                                     python-build-system))
   #:use-module (guix build-system ruby))
 
 (define-public libffi
@@ -166,6 +169,24 @@ conversions for values passed between the two languages.")
     (description "Foreign Function Interface for Python calling C code.")
     (license expat)))
 
+;;; This Python 2 dependency is needed by the Pypy build system, which is
+;;; unlikely to change in the future.
+(define-public python2-cffi
+  (let ((base (package/inherit python-cffi
+                ;; FIXME: package-with-python2 needs to be updated to accept
+                ;; pyproject-build-system package.
+                (build-system python-build-system)
+                (arguments
+                 (cons* #:tests? #f
+                        (strip-keyword-arguments
+                         '(#:test-flags)
+                         (package-arguments python-cffi))))
+                (native-inputs '())
+                (inputs (modify-inputs (package-inputs python-cffi)
+                          (append libxcrypt)))
+                (propagated-inputs (list python2-pycparser)))))
+    (package-with-python2 base)))
+
 (define-public python-cffi-documentation
   (package
     (name "python-cffi-documentation")