[crux-commits] ports/core (3.6): python3: add mpdecimal-2.5.patch

crux at crux.nu crux at crux.nu
Thu Jul 16 19:49:41 UTC 2020


commit 48b929176ef24a6fceba99e691b075fc7ca28fbc
Author: Juergen Daubert <jue at jue.li>
Date:   Thu Jul 16 19:49:22 2020 +0000

    python3: add mpdecimal-2.5.patch

diff --git a/python3/mpdecimal-2.5.patch b/python3/mpdecimal-2.5.patch
new file mode 100644
index 00000000..3a61e285
--- /dev/null
+++ b/python3/mpdecimal-2.5.patch
@@ -0,0 +1,43 @@
+From 16eea45fbd3b7c3d1b222b7eb7a5d7ee427f70bd Mon Sep 17 00:00:00 2001
+From: Felix Yan <felixonmars at archlinux.org>
+Date: Thu, 16 Jul 2020 04:22:23 +0800
+Subject: [PATCH] [3.8] bpo-41302: Support system libmpdec 2.5 for Python 3.8
+ (GH-21488)
+
+Define UNUSED only when mpdecimal.h doesn't define it. This would support
+building with system libmpdec 2.5 while retaining compatibility with system
+libmpdec 2.4 or the vendored copy.
+
+Tested to build fine with either system libmpdec or the vendored one.
+---
+ .../next/Build/2020-07-15-17-56-32.bpo-41302.S3o-x9.rst    | 1 +
+ Modules/_decimal/_decimal.c                                | 7 +++++++
+ 2 files changed, 8 insertions(+)
+ create mode 100644 Misc/NEWS.d/next/Build/2020-07-15-17-56-32.bpo-41302.S3o-x9.rst
+
+diff --git a/Misc/NEWS.d/next/Build/2020-07-15-17-56-32.bpo-41302.S3o-x9.rst b/Misc/NEWS.d/next/Build/2020-07-15-17-56-32.bpo-41302.S3o-x9.rst
+new file mode 100644
+index 0000000000000..2f1301740e748
+--- /dev/null
++++ b/Misc/NEWS.d/next/Build/2020-07-15-17-56-32.bpo-41302.S3o-x9.rst
+@@ -0,0 +1 @@
++Enable building Python 3.8 with libmpdec-2.5.0 to ease maintenance for Linux distributions. Patch by Felix Yan.
+\ No newline at end of file
+diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c
+index df7c6e254bcf2..eb1f1a01feeca 100644
+--- a/Modules/_decimal/_decimal.c
++++ b/Modules/_decimal/_decimal.c
+@@ -58,6 +58,13 @@
+ 
+ #define BOUNDS_CHECK(x, MIN, MAX) x = (x < MIN || MAX < x) ? MAX : x
+ 
++#ifndef UNUSED
++#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
++  #define UNUSED __attribute__((unused))
++#else
++  #define UNUSED
++#endif
++#endif
+ 
+ /* _Py_DEC_MINALLOC >= MPD_MINALLOC */
+ #define _Py_DEC_MINALLOC 4


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