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Merge Boost.Config changes from Trunk.

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[SVN r67522]
This commit is contained in:
John Maddock
2010-12-31 17:08:07 +00:00
parent bb3e68b516
commit 3ce24d6389
35 changed files with 624 additions and 78 deletions
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doc/html/boost_config/boost_macro_reference.html
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@@ -1695,6 +1695,26 @@
</td>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_HAS_FENV_H</span></code>
</p>
</td>
<td>
<p>
Platform, Standard library
</p>
</td>
<td>
<p>
The platform has a <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">fenv</span><span class="special">.</span><span class="identifier">h</span><span class="special">&gt;</span></code>.
<a href="../../../../../boost/detail/fenv.hpp" target="_top"><code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">detail</span><span class="special">/</span><span class="identifier">fenv</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code></a>
should be included instead of <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">fenv</span><span class="special">.</span><span class="identifier">h</span><span class="special">&gt;</span></code>
for maximum portability.
</p>
</td>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_HAS_STDINT_H</span></code>
@@ -3200,6 +3220,77 @@
</p>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_CONSTEXPR</span></code>
</p>
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<p>
Some compilers don't support the use of <code class="computeroutput"><span class="identifier">constexpr</span></code>.
This macro expands to nothing on those compilers, and <code class="computeroutput"><span class="identifier">constexpr</span></code> elsewhere. For example,
when defining a constexpr function or constructor replace:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">constexpr</span> <span class="identifier">tuple</span><span class="special">();</span>
</pre>
<p>
with:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">BOOST_CONSTEXPR</span> <span class="identifier">tuple</span><span class="special">();</span>
</pre>
<p>
</p>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_CONSTEXPR_OR_CONST</span></code>
</p>
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<p>
Some compilers don't support the use of <code class="computeroutput"><span class="identifier">constexpr</span></code>.
This macro expands to <code class="computeroutput"><span class="keyword">const</span></code>
on those compilers, and <code class="computeroutput"><span class="identifier">constexpr</span></code>
elsewhere. For example, when defining const expr variables replace:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">static</span> <span class="identifier">constexpr</span> <span class="identifier">UIntType</span> <span class="identifier">xor_mask</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span>
</pre>
<p>
with:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">static</span> <span class="identifier">BOOST_CONSTEXPR_OR_CONST</span> <span class="identifier">UIntType</span> <span class="identifier">xor_mask</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span>
</pre>
<p>
</p>
</td>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_STATIC_CONSTEXPR</span></code>
</p>
</td>
<td>
<p>
This is a shortcut for <code class="computeroutput"><span class="keyword">static</span>
<span class="identifier">BOOST_CONSTEXPR_OR_CONST</span></code>For
example, when defining const expr variables replace:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">static</span> <span class="identifier">constexpr</span> <span class="identifier">UIntType</span> <span class="identifier">xor_mask</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span>
</pre>
<p>
with:
</p>
<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">BOOST_STATIC_CONSTEXPR</span> <span class="identifier">UIntType</span> <span class="identifier">xor_mask</span> <span class="special">=</span> <span class="identifier">a</span><span class="special">;</span>
</pre>
<p>
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
@@ -3390,6 +3481,96 @@
</td>
</tr>
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<td>
<p>
<code class="computeroutput"><span class="identifier">BOOST_LINUX</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
</p>
</td>
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<p>
Defined if the system kernel is Linux
</p>
</td>
</tr>
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<td>
<p>
<code class="computeroutput"><span class="identifier">BOOST_NIX</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
</p>
</td>
<td>
<p>
Defined if the system is POSIX compliant
</p>
</td>
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<td>
<p>
<code class="computeroutput"><span class="identifier">BOOST_GENETIC_NIX</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
</p>
</td>
<td>
<p>
Defined if the system can trace its ancestry to the original AT&amp;T
codebase or designs, but is not certified by the Open Group. This
is the case for modern open-source BSD systems.
</p>
</td>
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<p>
<code class="computeroutput"><span class="identifier">BOOST_TRADEMARK_NIX</span></code>
</p>
</td>
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<p>
<code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
</p>
</td>
<td>
<p>
Systems certified as POSIX compliant by the Open Group. These systems
can use the UNIX trademark. Most commercially developed *nix systems
fall into this category.
</p>
</td>
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<td>
<p>
<code class="computeroutput"><span class="identifier">BOOST_FUNCTIONAL_NIX</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
</p>
</td>
<td>
<p>
Systems which behave in a manner roughly consistent with POSIX
standards. Linux and Minix fall into this category.
</p>
</td>
</tr>
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<td>
<p>
<code class="computeroutput"><span class="identifier">BOOST_DINKUMWARE_STDLIB</span></code>