New submission from jamie schnaitter <jamie.schnait...@gmail.com>:
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.
----------
components: Build, Installation, Library (Lib), ctypes
messages: 331713
nosy: jamie schnaitter
priority: normal
severity: normal
status: open
title: Intel compiler (icc) does not fully support C11 Features, including
atomics
type: compile error
versions: Python 3.6, Python 3.7
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35473>
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