446 lines
15 KiB
C++
446 lines
15 KiB
C++
// Copyright 2011 John Maddock
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// Copyright 2013, 2017-2018 Cray, Inc.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for most recent version.
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// Cray C++ compiler setup.
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//
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// There are a few parameters that affect the macros defined in this file:
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//
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// - What version of CCE (Cray Compiling Environment) are we running? This
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// comes from the '_RELEASE_MAJOR', '_RELEASE_MINOR', and
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// '_RELEASE_PATCHLEVEL' macros.
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// - What C++ standards conformance level are we using (e.g. '-h
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// std=c++14')? This comes from the '__cplusplus' macro.
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// - Are we using GCC extensions ('-h gnu' or '-h nognu')? If we have '-h
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// gnu' then CCE emulates GCC, and the macros '__GNUC__',
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// '__GNUC_MINOR__', and '__GNUC_PATCHLEVEL__' are defined.
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//
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// This file is organized as follows:
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//
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// - Verify that the combination of parameters listed above is supported.
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// If we have an unsupported combination, we abort with '#error'.
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// - Establish baseline values for all Boost macros.
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// - Apply changes to the baseline macros based on compiler version. These
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// changes are cummulative so each version section only describes the
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// changes since the previous version.
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// - Within each version section, we may also apply changes based on
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// other parameters (i.e. C++ standards conformance level and GCC
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// extensions).
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//
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// To test changes to this file:
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//
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// ```
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// module load cce/8.6.5 # Pick the version you want to test.
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// cd boost/libs/config/test/all
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// b2 -j 8 toolset=cray cxxstd=03 cxxstd=11 cxxstd=14 cxxstd-dialect=gnu linkflags=-lrt
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// ```
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// Note: Using 'cxxstd-dialect=iso' is not supported at this time (the
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// tests run, but many tests fail).
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//
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// Note: 'linkflags=-lrt' is needed in Cray Linux Environment. Otherwise
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// you get an 'undefined reference to clock_gettime' error.
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//
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// Note: If a test '*_fail.cpp' file compiles, but fails to run, then it is
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// reported as a defect. However, this is not actually a defect. This is an
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// area where the test system is somewhat broken. Tests that are failing
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// because of this problem are noted in the comments.
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//
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// Pay attention to the macro definitions for the macros you wish to
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// modify. For example, only macros categorized as compiler macros should
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// appear in this file; platform macros should not appear in this file.
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// Also, some macros have to be defined to specific values; it is not
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// always enough to define or undefine a macro.
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//
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// Macro definitions are available in the source code at:
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//
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// `boost/libs/config/doc/html/boost_config/boost_macro_reference.html`
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//
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// Macro definitions are also available online at:
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//
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// http://www.boost.org/doc/libs/master/libs/config/doc/html/boost_config/boost_macro_reference.html
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//
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// Typically, if you enable a feature, and the tests pass, then you have
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// nothing to worry about. However, it's sometimes hard to figure out if a
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// disabled feature needs to stay disabled. To get a list of disabled
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// features, run 'b2' in 'boost/libs/config/checks'. These are the macros
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// you should pay attention to (in addition to macros that cause test
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// failures).
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////
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//// Front matter
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////
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// In a developer build of the Cray compiler (i.e. a compiler built by a
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// Cray employee), the release patch level is reported as "x". This gives
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// versions that look like e.g. "8.6.x".
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//
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// To accomplish this, the the Cray compiler preprocessor inserts:
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//
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// #define _RELEASE_PATCHLEVEL x
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//
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// If we are using a developer build of the compiler, we want to use the
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// configuration macros for the most recent patch level of the release. To
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// accomplish this, we'll pretend that _RELEASE_PATCHLEVEL is 99.
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//
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// However, it's difficult to detect if _RELEASE_PATCHLEVEL is x. We must
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// consider that the x will be expanded if x is defined as a macro
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// elsewhere. For example, imagine if someone put "-D x=3" on the command
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// line, and _RELEASE_PATCHLEVEL is x. Then _RELEASE_PATCHLEVEL would
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// expand to 3, and we could not distinguish it from an actual
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// _RELEASE_PATCHLEVEL of 3. This problem only affects developer builds; in
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// production builds, _RELEASE_PATCHLEVEL is always an integer.
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//
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// IMPORTANT: In developer builds, if x is defined as a macro, you will get
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// an incorrect configuration. The behavior in this case is undefined.
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//
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// Even if x is not defined, we have to use some trickery to detect if
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// _RELEASE_PATCHLEVEL is x. First we define BOOST_CRAY_x to some arbitrary
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// magic value, 9867657. Then we use BOOST_CRAY_APPEND to append the
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// expanded value of _RELEASE_PATCHLEVEL to the string "BOOST_CRAY_".
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//
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// - If _RELEASE_PATCHLEVEL is undefined, we get "BOOST_CRAY_".
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// - If _RELEASE_PATCHLEVEL is 5, we get "BOOST_CRAY_5".
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// - If _RELEASE_PATCHLEVEL is x (and x is not defined) we get
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// "BOOST_CRAY_x":
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//
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// Then we check if BOOST_CRAY_x is equal to the output of
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// BOOST_CRAY_APPEND. In other words, the output of BOOST_CRAY_APPEND is
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// treated as a macro name, and expanded again. If we can safely assume
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// that BOOST_CRAY_ is not a macro defined as our magic number, and
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// BOOST_CRAY_5 is not a macro defined as our magic number, then the only
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// way the equality test can pass is if _RELEASE_PATCHLEVEL expands to x.
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//
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// So, that is how we detect if we are using a developer build of the Cray
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// compiler.
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#define BOOST_CRAY_x 9867657 // Arbitrary number
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#define BOOST_CRAY_APPEND(MACRO) BOOST_CRAY_APPEND_INTERNAL(MACRO)
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#define BOOST_CRAY_APPEND_INTERNAL(MACRO) BOOST_CRAY_##MACRO
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#if BOOST_CRAY_x == BOOST_CRAY_APPEND(_RELEASE_PATCHLEVEL)
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// This is a developer build.
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//
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// - _RELEASE_PATCHLEVEL is defined as x, and x is not defined as a macro.
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// Pretend _RELEASE_PATCHLEVEL is 99, so we get the configuration for the
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// most recent patch level in this release.
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#define BOOST_CRAY_VERSION (_RELEASE_MAJOR * 10000 + _RELEASE_MINOR * 100 + 99)
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#else
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// This is a production build.
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//
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// _RELEASE_PATCHLEVEL is not defined as x, or x is defined as a macro.
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#define BOOST_CRAY_VERSION (_RELEASE_MAJOR * 10000 + _RELEASE_MINOR * 100 + _RELEASE_PATCHLEVEL)
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#endif // BOOST_CRAY_x == BOOST_CRAY_APPEND(_RELEASE_PATCHLEVEL)
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#undef BOOST_CRAY_APPEND_INTERNAL
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#undef BOOST_CRAY_APPEND
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#undef BOOST_CRAY_x
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#ifdef __GNUC__
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# define BOOST_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#endif
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#ifndef BOOST_COMPILER
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# define BOOST_COMPILER "Cray C++ version " BOOST_STRINGIZE(_RELEASE_MAJOR) "." BOOST_STRINGIZE(_RELEASE_MINOR) "." BOOST_STRINGIZE(_RELEASE_PATCHLEVEL)
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#endif
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// Since the Cray compiler defines '__GNUC__', we have to emulate some
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// additional GCC macros in order to make everything work.
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//
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// FIXME: Perhaps Cray should fix the compiler to define these additional
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// macros for GCC emulation?
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#if __cplusplus >= 201103L && defined(__GNUC__) && !defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define __GXX_EXPERIMENTAL_CXX0X__ 1
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#endif
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////
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//// Parameter validation
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////
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// FIXME: Do we really need to support compilers before 8.5? Do they pass
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// the Boost.Config tests?
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#if BOOST_CRAY_VERSION < 80000
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# error "Boost is not configured for Cray compilers prior to version 8, please try the configure script."
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#endif
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// We only support recent EDG based compilers.
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#ifndef __EDG__
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# error "Unsupported Cray compiler, please try running the configure script."
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#endif
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////
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//// Baseline values
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////
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#include <boost/config/compiler/common_edg.hpp>
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#define BOOST_HAS_NRVO
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#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
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#define BOOST_NO_CXX11_AUTO_DECLARATIONS
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#define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
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#define BOOST_NO_CXX11_CHAR16_T
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#define BOOST_NO_CXX11_CHAR32_T
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#define BOOST_NO_CXX11_CONSTEXPR
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#define BOOST_NO_CXX11_DECLTYPE
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#define BOOST_NO_CXX11_DECLTYPE_N3276
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#define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
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#define BOOST_NO_CXX11_DELETED_FUNCTIONS
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#define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
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#define BOOST_NO_CXX11_FINAL
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#define BOOST_NO_CXX11_OVERRIDE
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#define BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
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#define BOOST_NO_CXX11_LAMBDAS
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#define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
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#define BOOST_NO_CXX11_NOEXCEPT
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#define BOOST_NO_CXX11_NULLPTR
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#define BOOST_NO_CXX11_RANGE_BASED_FOR
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#define BOOST_NO_CXX11_RAW_LITERALS
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#define BOOST_NO_CXX11_REF_QUALIFIERS
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#define BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_NO_CXX11_SCOPED_ENUMS
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#define BOOST_NO_CXX11_SFINAE_EXPR
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#define BOOST_NO_CXX11_STATIC_ASSERT
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#define BOOST_NO_CXX11_TEMPLATE_ALIASES
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#define BOOST_NO_CXX11_THREAD_LOCAL
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#define BOOST_NO_CXX11_UNICODE_LITERALS
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#define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
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#define BOOST_NO_CXX11_USER_DEFINED_LITERALS
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#define BOOST_NO_CXX11_VARIADIC_MACROS
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#define BOOST_NO_CXX11_VARIADIC_TEMPLATES
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#define BOOST_NO_CXX11_UNRESTRICTED_UNION
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#define BOOST_NO_SFINAE_EXPR
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#define BOOST_NO_TWO_PHASE_NAME_LOOKUP
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//#define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
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#define BOOST_MATH_DISABLE_STD_FPCLASSIFY
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//#define BOOST_HAS_FPCLASSIFY
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#define BOOST_SP_USE_PTHREADS
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#define BOOST_AC_USE_PTHREADS
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//
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// Everything that follows is working around what are thought to be
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// compiler shortcomings. Revist all of these regularly.
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//
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//#define BOOST_USE_ENUM_STATIC_ASSERT
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//#define BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS //(this may be implied by the previous #define
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// These constants should be provided by the compiler.
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#ifndef __ATOMIC_RELAXED
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#define __ATOMIC_RELAXED 0
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#define __ATOMIC_CONSUME 1
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#define __ATOMIC_ACQUIRE 2
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#define __ATOMIC_RELEASE 3
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#define __ATOMIC_ACQ_REL 4
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#define __ATOMIC_SEQ_CST 5
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#endif
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////
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//// Version changes
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////
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//
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// 8.5.0
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//
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#if BOOST_CRAY_VERSION >= 80500
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#if __cplusplus >= 201103L
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#undef BOOST_HAS_NRVO
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#undef BOOST_NO_COMPLETE_VALUE_INITIALIZATION
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#undef BOOST_NO_CXX11_AUTO_DECLARATIONS
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#undef BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
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#undef BOOST_NO_CXX11_CHAR16_T
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#undef BOOST_NO_CXX11_CHAR32_T
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#undef BOOST_NO_CXX11_CONSTEXPR
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#undef BOOST_NO_CXX11_DECLTYPE
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#undef BOOST_NO_CXX11_DECLTYPE_N3276
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#undef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
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#undef BOOST_NO_CXX11_DELETED_FUNCTIONS
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#undef BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
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#undef BOOST_NO_CXX11_FINAL
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#undef BOOST_NO_CXX11_OVERRIDE
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#undef BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
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#undef BOOST_NO_CXX11_LAMBDAS
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#undef BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
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#undef BOOST_NO_CXX11_NOEXCEPT
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#undef BOOST_NO_CXX11_NULLPTR
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#undef BOOST_NO_CXX11_RANGE_BASED_FOR
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#undef BOOST_NO_CXX11_RAW_LITERALS
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#undef BOOST_NO_CXX11_REF_QUALIFIERS
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#undef BOOST_NO_CXX11_RVALUE_REFERENCES
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#undef BOOST_NO_CXX11_SCOPED_ENUMS
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#undef BOOST_NO_CXX11_SFINAE_EXPR
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#undef BOOST_NO_CXX11_STATIC_ASSERT
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#undef BOOST_NO_CXX11_TEMPLATE_ALIASES
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#undef BOOST_NO_CXX11_THREAD_LOCAL
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#undef BOOST_NO_CXX11_UNICODE_LITERALS
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#undef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
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#undef BOOST_NO_CXX11_USER_DEFINED_LITERALS
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#undef BOOST_NO_CXX11_VARIADIC_MACROS
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#undef BOOST_NO_CXX11_VARIADIC_TEMPLATES
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#undef BOOST_NO_CXX11_UNRESTRICTED_UNION
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#undef BOOST_NO_SFINAE_EXPR
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#undef BOOST_NO_TWO_PHASE_NAME_LOOKUP
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#undef BOOST_MATH_DISABLE_STD_FPCLASSIFY
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#undef BOOST_SP_USE_PTHREADS
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#undef BOOST_AC_USE_PTHREADS
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#define BOOST_HAS_VARIADIC_TMPL
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#define BOOST_HAS_UNISTD_H
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#define BOOST_HAS_TR1_COMPLEX_INVERSE_TRIG
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#define BOOST_HAS_TR1_COMPLEX_OVERLOADS
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#define BOOST_HAS_STDINT_H
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#define BOOST_HAS_STATIC_ASSERT
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#define BOOST_HAS_SIGACTION
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#define BOOST_HAS_SCHED_YIELD
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#define BOOST_HAS_RVALUE_REFS
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#define BOOST_HAS_PTHREADS
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#define BOOST_HAS_PTHREAD_YIELD
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#define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
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#define BOOST_HAS_PARTIAL_STD_ALLOCATOR
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#define BOOST_HAS_NRVO
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#define BOOST_HAS_NL_TYPES_H
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#define BOOST_HAS_NANOSLEEP
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#define BOOST_NO_CXX11_SMART_PTR
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#define BOOST_NO_CXX11_HDR_FUNCTIONAL
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#define BOOST_NO_CXX14_CONSTEXPR
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#define BOOST_HAS_LONG_LONG
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#define BOOST_HAS_FLOAT128
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#if __cplusplus < 201402L
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#define BOOST_NO_CXX11_DECLTYPE_N3276
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#endif // __cplusplus < 201402L
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#endif // __cplusplus >= 201103L
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#endif // BOOST_CRAY_VERSION >= 80500
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//
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// 8.6.4
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// (versions prior to 8.6.5 do not define _RELEASE_PATCHLEVEL)
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//
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#if BOOST_CRAY_VERSION >= 80600
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#if __cplusplus >= 199711L
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#define BOOST_HAS_FLOAT128
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#define BOOST_HAS_PTHREAD_YIELD // This is a platform macro, but it improves test results.
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#define BOOST_NO_COMPLETE_VALUE_INITIALIZATION // This is correct. Test compiles, but fails to run.
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#undef BOOST_NO_CXX11_CHAR16_T
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#undef BOOST_NO_CXX11_CHAR32_T
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#undef BOOST_NO_CXX11_INLINE_NAMESPACES
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#undef BOOST_NO_CXX11_FINAL
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#undef BOOST_NO_CXX11_OVERRIDE
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#undef BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
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#undef BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
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#define BOOST_NO_CXX11_SFINAE_EXPR // This is correct, even though '*_fail.cpp' test fails.
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#undef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
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#undef BOOST_NO_CXX11_VARIADIC_MACROS
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#undef BOOST_NO_CXX11_VARIADIC_TEMPLATES
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// 'BOOST_NO_DEDUCED_TYPENAME' test is broken. The test files are enabled /
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// disabled with an '#ifdef BOOST_DEDUCED_TYPENAME'. However,
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// 'boost/libs/config/include/boost/config/detail/suffix.hpp' ensures that
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// 'BOOST_DEDUCED_TYPENAME' is always defined (the value it is defined as
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// depends on 'BOOST_NO_DEDUCED_TYPENAME'). So, modifying
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// 'BOOST_NO_DEDUCED_TYPENAME' has no effect on which tests are run.
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//
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// The 'no_ded_typename_pass.cpp' test should always compile and run
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// successfully, because 'BOOST_DEDUCED_TYPENAME' must always have an
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// appropriate value (it's not just something that you turn on or off).
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// Therefore, if you wish to test changes to 'BOOST_NO_DEDUCED_TYPENAME',
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// you have to modify 'no_ded_typename_pass.cpp' to unconditionally include
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// 'boost_no_ded_typename.ipp'.
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#undef BOOST_NO_DEDUCED_TYPENAME // This is correct. Test is broken.
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#undef BOOST_NO_SFINAE_EXPR
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#undef BOOST_NO_TWO_PHASE_NAME_LOOKUP
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#endif // __cplusplus >= 199711L
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#if __cplusplus >= 201103L
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#undef BOOST_NO_CXX11_ALIGNAS
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#undef BOOST_NO_CXX11_DECLTYPE_N3276
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#define BOOST_NO_CXX11_HDR_ATOMIC
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#undef BOOST_NO_CXX11_HDR_FUNCTIONAL
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#define BOOST_NO_CXX11_HDR_REGEX // This is correct. Test compiles, but fails to run.
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#undef BOOST_NO_CXX11_SFINAE_EXPR
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#undef BOOST_NO_CXX11_SMART_PTR
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#undef BOOST_NO_CXX11_TRAILING_RESULT_TYPES
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#endif // __cplusplus >= 201103L
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#if __cplusplus >= 201402L
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#undef BOOST_NO_CXX14_CONSTEXPR
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#define BOOST_NO_CXX14_DIGIT_SEPARATORS
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#endif // __cplusplus == 201402L
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#endif // BOOST_CRAY_VERSION >= 80600
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//
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// 8.6.5
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// (no change from 8.6.4)
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//
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//
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// 8.7.0
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//
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#if BOOST_CRAY_VERSION >= 80700
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#if __cplusplus >= 199711L
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#endif // __cplusplus >= 199711L
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#if __cplusplus >= 201103L
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#undef BOOST_NO_CXX11_HDR_ATOMIC
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#undef BOOST_NO_CXX11_HDR_REGEX
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#endif // __cplusplus >= 201103L
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#if __cplusplus >= 201402L
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#endif // __cplusplus == 201402L
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#endif // BOOST_CRAY_VERSION >= 80700
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//
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// Next release
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//
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#if BOOST_CRAY_VERSION > 80799
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#if __cplusplus >= 199711L
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#endif // __cplusplus >= 199711L
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#if __cplusplus >= 201103L
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#endif // __cplusplus >= 201103L
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#if __cplusplus >= 201402L
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#endif // __cplusplus == 201402L
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#endif // BOOST_CRAY_VERSION > 80799
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////
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//// Remove temporary macros
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////
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// I've commented out some '#undef' statements to signify that we purposely
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// want to keep certain macros.
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//#undef __GXX_EXPERIMENTAL_CXX0X__
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//#undef BOOST_COMPILER
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#undef BOOST_GCC_VERSION
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#undef BOOST_CRAY_VERSION
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