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Preliminary C++0x support

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[SVN r36149]
This commit is contained in:
Douglas Gregor
2006-11-22 15:58:39 +00:00
parent 15b2a4515d
commit 2001e370c0
3 changed files with 116 additions and 8 deletions
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74
config.htm
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@ -19,6 +19,7 @@
<a href="#macro_ref">Boost Macro Reference</a>
<a href="#defects">Macros that describe defects</a>
<a href="#features">Macros that describe optional features</a>
<a href="#cpp0x">Macros that describe C++0x features</a>
<a href="#helpers">Boost Helper Macros</a>
<a href="#info_macros">Boost Informational Macros</a>
<a href="#source">Macros for libraries with separate source code</a>
@ -869,17 +870,17 @@ void g() { return f(); }</pre>
hash_set and hash_map; BOOST_STD_EXTENSION_NAMESPACE will provide the namespace
in which the two class templates reside.</td>
</tr>
<tr>
<td>BOOST_HAS_LONG_LONG</td>
<td>Compiler</td>
<td>The compiler supports the long long data type.</td>
</tr>
<TR>
<TD vAlign="top" width="48%">BOOST_HAS_LOG1P</TD>
<TD vAlign="top" width="15%">Platform</TD>
<TD vAlign="top" width="37%">The platform has the functions log1p, log1pf and
log1pl in &lt;math.h&gt;.</TD>
</TR>
<tr>
<td>BOOST_HAS_LONG_LONG</td>
<td>Compiler</td>
<td>The compiler supports the long long data type.</td>
</tr>
<tr>
<td valign="top" width="48%">BOOST_HAS_MACRO_USE_FACET</td>
<td valign="top" width="15%">Standard library</td>
@ -1123,6 +1124,69 @@ void g() { return f(); }</pre>
default is not present, conforming to the current C++ standard).</td>
</tr>
</table>
<h4><a name="cpp0x"></a>Macros that describe C++0x features</h4>
<p>The following macros describe features that are likely to be
included in the upcoming ISO C++ standard, C++0x.</p>
<table border="1" cellpadding="7" cellspacing="1" width="100%">
<tr>
<td valign="top" width="50%"><p align="center"><b>Macro</b></p>
</td>
<td valign="top" width="50%"><p align="center"><b>Description</b></p>
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_CONCEPTS</td>
<td valign="top" width="50%">
The compiler supports <a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2081.pdf">concepts</a>. <b>Note</b>: concepts have been
proposed for C++0x, but have not yet been approved for
inclusion in the language.
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_LONG_LONG</td>
<td valign="top" width="50%">
The compiler supports the long long. Identical to <tt>BOOST_HAS_LONG_LONG</tt>.
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_PREPROCESSOR</td>
<td valign="top" width="50%">
The compiler supports the <a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1653.htm">C99
preprocessor</a>, which includes variadic macros,
concatenation of wide string literals, and the
<code>_Pragma</code> operator.
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_RVALUE_REFERENCES</td>
<td valign="top" width="50%">
The compiler supports <a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html">rvalue
references</a>.
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_STATIC_ASSERT</td>
<td valign="top" width="50%">
The compiler supports <a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1720.html">static assertions</a>.
</td>
</tr>
<tr>
<td valign="top" width="50%">BOOST_CXX0X_VARIADIC_TEMPLATES</td>
<td valign="top" width="50%">
The compiler supports <a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2080.pdf">variadic
templates</a>. <b>Note</b>: variadic templates have been
proposed for C++0x, but have not yet been approved for
inclusion in the language.
</td>
</tr>
</table>
<h4><a name="helpers"></a>Boost Helper Macros</h4>
<p>The following macros are either simple helpers, or macros that provide
workarounds for compiler/standard library defects.</p>

40
include/boost/config/compiler/gcc.hpp
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@ -82,7 +82,41 @@
#define BOOST_HAS_NRVO
#endif
#define BOOST_COMPILER "GNU C++ version " __VERSION__
//
// C++0x features
//
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)
// C++0x features are only enabled when -std=c++0x or -std=gnu++0x are
// passed on the command line, which in turn defines
// __GXX_EXPERIMENTAL_CXX0X__. Note: __GXX_EXPERIMENTAL_CPP0X__ is
// defined by some very early development versions of GCC 4.3; we will
// remove this part of the check in the near future.
# if defined(__GXX_EXPERIMENTAL_CPP0X__) || defined(__GXX_EXPERIMENTAL_CXX0X__)
# define BOOST_CXX0X_PREPROCESSOR
# define BOOST_CXX0X_STATIC_ASSERT
# endif
#endif
//
// Potential C++0x features
//
// Variadic templates compiler:
// http://www.generic-programming.org/~dgregor/cpp/variadic-templates.html
#ifdef __VARIADIC_TEMPLATES
# define BOOST_CXX0X_VARIADIC_TEMPLATES
#endif
// ConceptGCC compiler:
// http://www.generic-programming.org/software/ConceptGCC/
#ifdef __GXX_CONCEPTS__
# define BOOST_CXX0X_CONCEPTS
# define "ConceptGCC version " __VERSION__
#endif
#ifndef BOOST_COMPILER
# define BOOST_COMPILER "GNU C++ version " __VERSION__
#endif
//
// versions check:
@ -91,8 +125,8 @@
# error "Compiler not configured - please reconfigure"
#endif
//
// last known and checked version is 4.0 (Pre-release):
#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 0))
// last known and checked version is 4.3 (Pre-release):
#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 3))
# if defined(BOOST_ASSERT_CONFIG)
# error "Unknown compiler version - please run the configure tests and report the results"
# else

10
include/boost/config/suffix.hpp
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@ -38,6 +38,16 @@
# endif
#endif
// BOOST_HAS_LONG_LONG implies BOOST_CXX0X_LONG_LONG, and vice-versa
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_CXX0X_LONG_LONG)
# ifndef BOOST_HAS_LONG_LONG
# define BOOST_HAS_LONG_LONG
# endif
# ifndef BOOST_CXX0X_LONG_LONG
# define BOOST_CXX0X_LONG_LONG
# endif
#endif
// GCC 3.x will clean up all of those nasty macro definitions that
// BOOST_NO_CTYPE_FUNCTIONS is intended to help work around, so undefine
// it under GCC 3.x.