[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[Irit Katriel]

Change by Irit Katriel :


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stage:  -> resolved
status: open -> closed

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[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[Irit Katriel]

Change by Irit Katriel :


--
resolution:  -> duplicate
superseder:  -> Intel icc 9.1 does not support __int128_t used by ctypes

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[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[Alain Miniussi]

Alain Miniussi added the comment:

Some details...

Environement:

{{{
[alainm@gurney Python-3.4.1]$ ^Cconfigure 
--prefix=/softs/exp/python-3.4.1-intel14-fake
[alainm@gurney Python-3.4.1]$ icc --version
icc (ICC) 14.0.0 20130728
Copyright (C) 1985-2013 Intel Corporation.  All rights reserved.
[alainm@gurney Python-3.4.1]$ uname -a
Linux gurney 2.6.32-431.17.1.el6.x86_64 #1 SMP Wed May 7 23:32:49 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux
[alainm@gurney Python-3.4.1]$ more /etc/centos-release 
CentOS release 6.5 (Final)
[alainm@gurney Python-3.4.1]$ 
}}}

Compilation error:

{{{
icc -pthread -fPIC -Wno-unused-result -Werror=declaration-after-statement 
-DNDEBUG -g -O3 -Wall -Wstrict-prototypes 
-Ibuild/temp.linux-x86_64-3.4/libffi/include 
-Ibuild/temp.linux-x86_64-3.4/libffi 
-I/gpfs/home/alainm/install/Python-3.4.1/Modules/_ctypes/libffi/src -I./Include 
-I. -IInclude -I/usr/local/include 
-I/gpfs/home/alainm/install/Python-3.4.1/Include 
-I/gpfs/home/alainm/install/Python-3.4.1 -c 
/gpfs/home/alainm/install/Python-3.4.1/Modules/_ctypes/libffi/src/x86/ffi64.c 
-o 
build/temp.linux-x86_64-3.4/gpfs/home/alainm/install/Python-3.4.1/Modules/_ctypes/libffi/src/x86/ffi64.o
 -Wall -fexceptions
icc: command line warning #10006: ignoring unknown option '-Wno-unused-result'
/gpfs/home/alainm/install/Python-3.4.1/Modules/_ctypes/libffi/src/x86/ffi64.c(56):
 error: identifier __m128 is undefined
UINT128 i128;
^

compilation aborted for 
/gpfs/home/alainm/install/Python-3.4.1/Modules/_ctypes/libffi/src/x86/ffi64.c 
(code 2)

Failed to build these modules:
_ctypes

}}}

Cheers

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[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[STINNER Victor]

STINNER Victor added the comment:

See also the issue #4130. libffi is not part of Python, it's an external 
project. Python embeds a copy of libffi to limit dependencies... and because we 
have custom patches on libffi :-/

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nosy: +haypo

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[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[Alain Miniussi]

New submission from Alain Miniussi:

In ffi64.c, intel 14.0.0 has an issue with:
{{{
#if defined(__INTEL_COMPILER)
#define UINT128 __m128
#else
...
}}}

At leat on Linux CentOS 6.5, an include directive is required for __m128:
{{{
#if defined(__INTEL_COMPILER)
#include xmmintrin.h
#define UINT128 __m128
#else
...
}}}
otherwise, compilation of _ctypes fails.

Regards.

--
components: ctypes
messages: 219753
nosy: aom
priority: normal
severity: normal
status: open
title: __m128, can't build 3.4.1 with intel 14.0.0
type: compile error
versions: Python 3.4

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[issue21658] __m128, can't build 3.4.1 with intel 14.0.0

[Serhiy Storchaka]

Changes by Serhiy Storchaka storch...@gmail.com:


--
nosy: +amaury.forgeotdarc, belopolsky, meador.inge

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