From 85c14cfd927c212125f8cca9bfc46245ea532ae516ad25a12d2b07d74abc45cc Mon Sep 17 00:00:00 2001
From: Matej Cepl <mcepl@suse.com>
Date: Fri, 21 Sep 2018 05:26:36 +0000
Subject: [PATCH] - Add 3184b0a675fc425b821b528d7fdf744b2f08dadf.patch as   a
 workardond against   https://bitbucket.org/cffi/cffi/issues/378/ (possible
 bug in   GCC, see https://bugzilla.redhat.com/1552724).

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-cffi?expand=0&rev=50
---
 ...b0a675fc425b821b528d7fdf744b2f08dadf.patch | 46 +++++++++++++++++++
 python-cffi.changes                           |  8 ++++
 python-cffi.spec                              |  2 +
 3 files changed, 56 insertions(+)
 create mode 100644 3184b0a675fc425b821b528d7fdf744b2f08dadf.patch

diff --git a/3184b0a675fc425b821b528d7fdf744b2f08dadf.patch b/3184b0a675fc425b821b528d7fdf744b2f08dadf.patch
new file mode 100644
index 0000000..8fb8c07
--- /dev/null
+++ b/3184b0a675fc425b821b528d7fdf744b2f08dadf.patch
@@ -0,0 +1,46 @@
+# HG changeset patch
+# User Armin Rigo <arigo@tunes.org>
+# Date 1536839482 -7200
+# Node ID 3184b0a675fc425b821b528d7fdf744b2f08dadf
+# Parent  97a61f7b0bcd48eb74f136280ffd8733e829f153
+Issue 378
+
+Workaround for a GCC bug
+
+diff --git a/c/_cffi_backend.c b/c/_cffi_backend.c
+--- a/c/_cffi_backend.c
++++ b/c/_cffi_backend.c
+@@ -892,11 +892,21 @@
+     return 0;
+ }
+ 
++#ifdef __GNUC__
++/* This is a workaround for what I think is a GCC bug on several
++   platforms.  See issue #378. */
++__attribute__((noinline))
++#endif
++void _cffi_memcpy(char *target, const void *src, size_t size)
++{
++    memcpy(target, src, size);
++}
++
+ #define _write_raw_data(type)                           \
+     do {                                                \
+         if (size == sizeof(type)) {                     \
+             type r = (type)source;                      \
+-            memcpy(target, &r, sizeof(type));           \
++            _cffi_memcpy(target, &r, sizeof(type));           \
+             return;                                     \
+         }                                               \
+     } while(0)
+@@ -970,8 +980,8 @@
+         if (size == 2*sizeof(type)) {                      \
+             type r = (type)source.real;                    \
+             type i = (type)source.imag;                    \
+-            memcpy(target, &r, sizeof(type));              \
+-            memcpy(target+sizeof(type), &i, sizeof(type)); \
++            _cffi_memcpy(target, &r, sizeof(type));              \
++            _cffi_memcpy(target+sizeof(type), &i, sizeof(type)); \
+             return;                                        \
+         }                                                  \
+     } while(0)
diff --git a/python-cffi.changes b/python-cffi.changes
index c972f4b..73c0c1d 100644
--- a/python-cffi.changes
+++ b/python-cffi.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Sep 21 07:24:58 CEST 2018 - mcepl@suse.com
+
+- Add 3184b0a675fc425b821b528d7fdf744b2f08dadf.patch as
+  a workardond against
+  https://bitbucket.org/cffi/cffi/issues/378/ (possible bug in
+  GCC, see https://bugzilla.redhat.com/1552724).
+
 -------------------------------------------------------------------
 Wed Sep 19 20:43:08 CEST 2018 - mcepl@suse.com
 
diff --git a/python-cffi.spec b/python-cffi.spec
index a1895aa..626e2b0 100644
--- a/python-cffi.spec
+++ b/python-cffi.spec
@@ -28,6 +28,8 @@ Source0:        https://files.pythonhosted.org/packages/source/c/cffi/cffi-%{ver
 Source1:        python-cffi-rpmlintrc
 # https://bitbucket.org/cffi/cffi/issues/384/
 Patch0:         e2e324a2f13e3a646de6f6ff03e90ed7d37e2636.patch
+# https://bitbucket.org/cffi/cffi/issues/378
+Patch1:         3184b0a675fc425b821b528d7fdf744b2f08dadf.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pycparser}
 BuildRequires:  %{python_module pytest}