From: Steve Langasek <steve.langasek@ubuntu.com>
Date: Wed, 11 Mar 2020 10:49:13 +0000 (-0400)
Subject: fix compatibility with Python 3.8
X-Git-Tag: archive/raspbian/5.3.0-13+rpi1^2~2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=bde9eed19f34da456ec735f0252f4a968d68be46;p=gringo.git

fix compatibility with Python 3.8

Last-Update: 2020-02-20
Forwarded: no
Bug-Debian: https://bugs.debian.org/951707

Python 3.8 changes the type of an element of the PyTypeObject struct
(https://www.python.org/dev/peps/pep-0590/) leading to compiler errors.

Gbp-Pq: Name python3.8-compat.patch
---

diff --git a/libpyclingo/pyclingo.cc b/libpyclingo/pyclingo.cc
index 39effee..97473b6 100644
--- a/libpyclingo/pyclingo.cc
+++ b/libpyclingo/pyclingo.cc
@@ -1128,7 +1128,11 @@ PyTypeObject ObjectBase<T>::type = {
     sizeof(T),                                  // tp_basicsize
     0,                                          // tp_itemsize
     PythonDetail::Get_tp_dealloc<T>::value,     // tp_dealloc
+#if PY_VERSION_HEX >= 0x03080000
+    0,                                          // tp_vectorcall_offset
+#else
     nullptr,                                    // tp_print
+#endif
     nullptr,                                    // tp_getattr
     nullptr,                                    // tp_setattr
     nullptr,                                    // tp_compare