package/python: bump version to 2.7.15
Rebased patch 0009, removed patch 0035 after upstream commit
0b91f8a668
Updated license hash after 2018 bump.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2018.08.x
Bernd Kuhls
Peter Korsgaard
parent
1f4616a1de
commit
5f6f32968e
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@ -12,6 +12,8 @@ doesn't depend on the sysconfig import that usually leads to bad
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data/results.
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Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
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[Bernd: rebased for Python 2.7.15]
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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Makefile.pre.in | 13 +++---
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Misc/python-config.sh.in | 102 +++++++++++++++++++++++++++++++++++++++++++++++
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@ -36,8 +38,8 @@ index 33b994d..beb0837 100644
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# Default target
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all: @DEF_MAKE_ALL_RULE@
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-build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks
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+build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks python-config
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-build_all: check-clean-src $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks
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+build_all: check-clean-src $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks python-config
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# Compile a binary with profile guided optimization.
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profile-opt:
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@ -1,65 +0,0 @@
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From 0b91f8a668201fc58fa732b8acc496caedfdbae0 Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fw@deneb.enyo.de>
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Date: Sun, 29 Apr 2018 12:18:33 -0700
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Subject: [PATCH] Indicate that _PyGC_Head is only 8-byte aligned. (closes
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bpo-33374)
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By spec, the "long double" in _PyGC_Head requires the union to always be 16-byte
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aligned. However, obmalloc only yields 8-byte alignment. Compilers including GCC
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8 are starting to use alignment information to do store-merging. So, the "long
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double" needs to be changed to a simple "double" as was long ago done in Python
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3 by e348c8d154cf6342c79d627ebfe89dfe9de23817. For 2.7, we need to add some
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dummy padding to make sure _PyGC_Head stays the same size.
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Upstream: https://bugs.python.org/issue33374
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Signed-off-by: Stefan Becker <chemobejk@gmail.com>
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---
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Include/objimpl.h | 17 ++++++++++++++++-
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.../2018-04-29-12-07-00.bpo-33374.-xegL6.rst | 3 +++
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2 files changed, 19 insertions(+), 1 deletion(-)
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create mode 100644 Misc/NEWS.d/next/Core and Builtins/2018-04-29-12-07-00.bpo-33374.-xegL6.rst
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diff --git a/Include/objimpl.h b/Include/objimpl.h
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index 5f2868332955..cbf6bc3f8763 100644
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--- a/Include/objimpl.h
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+++ b/Include/objimpl.h
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@@ -248,6 +248,20 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_Resize(PyVarObject *, Py_ssize_t);
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/* for source compatibility with 2.2 */
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#define _PyObject_GC_Del PyObject_GC_Del
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+/*
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+ * Former over-aligned definition of PyGC_Head, used to compute the size of the
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+ * padding for the new version below.
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+ */
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+union _gc_head;
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+union _gc_head_old {
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+ struct {
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+ union _gc_head_old *gc_next;
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+ union _gc_head_old *gc_prev;
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+ Py_ssize_t gc_refs;
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+ } gc;
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+ long double dummy;
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+};
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+
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/* GC information is stored BEFORE the object structure. */
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typedef union _gc_head {
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struct {
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@@ -255,7 +269,8 @@ typedef union _gc_head {
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union _gc_head *gc_prev;
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Py_ssize_t gc_refs;
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} gc;
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- long double dummy; /* force worst-case alignment */
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+ double dummy; /* Force at least 8-byte alignment. */
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+ char dummy_padding[sizeof(union _gc_head_old)];
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} PyGC_Head;
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extern PyGC_Head *_PyGC_generation0;
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diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-04-29-12-07-00.bpo-33374.-xegL6.rst b/Misc/NEWS.d/next/Core and Builtins/2018-04-29-12-07-00.bpo-33374.-xegL6.rst
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new file mode 100644
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index 000000000000..9ec1a605c8f2
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Core and Builtins/2018-04-29-12-07-00.bpo-33374.-xegL6.rst
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@@ -0,0 +1,3 @@
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+Tweak the definition of PyGC_Head, so compilers do not believe it is always
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+16-byte aligned on x86. This prevents crashes with more aggressive
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+optimizations present in GCC 8.
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@ -1,6 +1,5 @@
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# From https://www.python.org/downloads/release/python-2714/
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md5 1f6db41ad91d9eb0a6f0c769b8613c5b Python-2.7.14.tar.xz
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# From https://www.python.org/downloads/release/python-2715/
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md5 a80ae3cc478460b922242f43a1b4094d Python-2.7.15.tar.xz
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# Locally calculated
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sha256 71ffb26e09e78650e424929b2b457b9c912ac216576e6bd9e7d204ed03296a66 Python-2.7.14.tar.xz
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# License files, locally calculated
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sha256 d2d17b17388da74dc9c6bdbf78eb7237432c3f8a0c87852df740ec99de2ec680 LICENSE
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sha256 22d9b1ac5b26135ad2b8c2901a9413537e08749a753356ee913c84dbd2df5574 Python-2.7.15.tar.xz
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sha256 b9a6d9320b8f2693e8d41e496ce56caadacaddcca9be2a64a61749278f425cf2 LICENSE
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@ -5,7 +5,7 @@
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################################################################################
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PYTHON_VERSION_MAJOR = 2.7
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PYTHON_VERSION = $(PYTHON_VERSION_MAJOR).14
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PYTHON_VERSION = $(PYTHON_VERSION_MAJOR).15
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PYTHON_SOURCE = Python-$(PYTHON_VERSION).tar.xz
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PYTHON_SITE = https://python.org/ftp/python/$(PYTHON_VERSION)
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PYTHON_LICENSE = Python-2.0, others
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