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Intel compiler (icc) does not fully support C11 Features, including atomics #79654

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jamieschnaitter mannequin opened this issue Dec 12, 2018 · 3 comments
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Intel compiler (icc) does not fully support C11 Features, including atomics #79654

jamieschnaitter mannequin opened this issue Dec 12, 2018 · 3 comments
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3.7 (EOL) end of life build The build process and cross-build stdlib Python modules in the Lib dir topic-ctypes topic-installation

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@jamieschnaitter
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jamieschnaitter mannequin commented Dec 12, 2018

BPO 35473
Nosy @vstinner, @MojoVampire, @prehensilecode
Superseder
  • bpo-37415: Error build Python with Intel compiler: <stdatomic.h> doesn't provide atomic_uintptr_t
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    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = <Date 2019-10-21.10:07:24.280>
created_at = <Date 2018-12-12.17:50:27.854>
labels = ['3.7', 'library', 'ctypes', 'build', 'expert-installation']
title = 'Intel compiler (icc) does not fully support C11 Features, including atomics'
updated_at = <Date 2019-10-21.10:07:24.278>
user = 'https://bugs.python.org/jamieschnaitter'

    bugs.python.org fields:

    activity = <Date 2019-10-21.10:07:24.278>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2019-10-21.10:07:24.280>
closer = 'vstinner'
components = ['Build', 'Installation', 'Library (Lib)', 'ctypes']
creation = <Date 2018-12-12.17:50:27.854>
creator = 'jamie schnaitter'
dependencies = []
files = []
hgrepos = []
issue_num = 35473
keywords = []
message_count = 3.0
messages = ['331713', '338807', '355038']
nosy_count = 4.0
nosy_names = ['vstinner', 'josh.r', 'hairygristle', 'jamie schnaitter']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '37415'
type = 'compile error'
url = 'https://bugs.python.org/issue35473'
versions = ['Python 3.6', 'Python 3.7']
    @jamieschnaitter
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    jamieschnaitter mannequin commented Dec 12, 2018

    I am currently trying to build 3.6.7 and 3.7.1 using Intel 2019 and it is failing because Intel's implementation of C11, in particular stdatomic, is incomplete. I receive many errors similar to the following, when it cannot find 'atomic_uintptr_t', which is not including in Intel's implementation:

    In file included from ./Include/Python.h(56),
                 from ./Modules/_io/bufferedio.c(11):
./Include/pyatomic.h(33): error: identifier "atomic_uintptr_t" is undefined
      atomic_uintptr_t _value;

    The current check in configure.ac is insufficient, as it only checks to see that the header and library exist and that it contains 'atomic_int'. The configure.ac should be changed to either check for all the atomic types it uses (or at least atomic_uintprt_t) or, when --with-icc is enabled, it should set 'HAVE_STD_ATOMIC' to 0/false.

    @jamieschnaitter jamieschnaitter mannequin added 3.7 (EOL) end of life build The build process and cross-build topic-installation stdlib Python modules in the Lib dir topic-ctypes labels Dec 12, 2018
    @MojoVampire
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    MojoVampire mannequin commented Mar 25, 2019

    Perhaps an alternative solution would be to provide conditional definitions for the stuff ICC leaves out? I'm assuming ICC can actually handle _Atomic uintptr_t if you type it out, it's just missing the typedef for it for whatever reason?

    @vstinner
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    I mark this issue as a duplicate of bpo-37415.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
    @serhiy-storchaka serhiy-storchaka mentioned this issue Jun 29, 2023
    Merged
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