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Refactoring cray.hpp

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- Added comments and file structure outline.
- Added basic identifying information (e.g. BOOST_COMPILER).
This commit is contained in:
Justin LaPolla
2017-12-12 11:26:39 -06:00
parent 149bfe1c93
commit 745a1eb4f8
1 changed files with 51 additions and 9 deletions
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60
include/boost/config/compiler/cray.hpp
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@ -1,29 +1,71 @@
// (C) Copyright John Maddock 2011.
// (C) Copyright Cray, Inc. 2013
// (C) Copyright Cray, Inc. 2013 - 2017.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for most recent version.
// Greenhills C compiler setup:
// Cray C++ compiler setup.
//
// There are a few parameters that affect the macros defined in this file:
//
// - What version of CCE (Cray Compiling Environment) are we running? This
// comes from the '_RELEASE_MAJOR', '_RELEASE_MINOR', and
// '_RELEASE_PATCHLEVEL' macros.
// - What C++ standards conformance level are we using (e.g. '-h
// std=c++14')? This comes from the '__cplusplus' macro.
// - Are we using GCC extensions ('-h gnu' or '-h nognu')? If we have '-h
// gnu' then CCE emulates GCC, and the macros '__GNUC__',
// '__GNUC_MINOR__', and '__GNUC_PATCHLEVEL__' are defined.
//
// This file is organized as follows:
//
// - Verify that the combination of parameters listed above is supported.
// If we have an unsupported combination, we abort with '#error'.
// - Establish baseline values for all Boost macros.
// - Apply changes to the baseline macros based on compiler version. These
// changes are cummulative so each version section only describes the
// changes since the previous version.
// - Within each version section, we may also apply changes based on
// other parameters (i.e. C++ standards conformance level and GCC
// extensions).
#define BOOST_COMPILER "Cray C version " BOOST_STRINGIZE(_RELEASE)
#define BOOST_CRAY_VERSION (_RELEASE_MAJOR * 10000 + _RELEASE_MINOR * 100 + _RELEASE_PATCHLEVEL)
#if _RELEASE_MAJOR < 8
#ifdef __GNUC__
# define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
#ifndef BOOST_COMPILER
# define BOOST_COMPILER "Cray C++ version " BOOST_STRINGIZE(_RELEASE_MAJOR) "." BOOST_STRINGIZE(_RELEASE_MINOR) "." BOOST_STRINGIZE(_RELEASE_PATCHLEVEL)
#endif
///
/// Parameter validation
///
// FIXME: Do we really need to support compilers before 8.5? Do they pass
// the Boost.Config tests?
#if BOOST_CRAY_VERSION < 80000
# error "Boost is not configured for Cray compilers prior to version 8, please try the configure script."
#endif
//
// Check this is a recent EDG based compiler, otherwise we don't support it here:
//
#ifndef __EDG_VERSION__
// We only support recent EDG based compilers.
#ifndef __EDG__
# error "Unsupported Cray compiler, please try running the configure script."
#endif
#if _RELEASE_MINOR < 5 || __cplusplus < 201100
///
/// Baseline values
///
#include <boost/config/compiler/common_edg.hpp>
#if _RELEASE_MINOR < 5 || __cplusplus < 201100
//
//
#define BOOST_NO_CXX11_STATIC_ASSERT