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<a name="Weak-Pragmas-1"></a>
<h4 class="subsection">6.62.12 Weak Pragmas</h4>

<p>For compatibility with SVR4, GCC supports a set of <code>#pragma</code>
directives for declaring symbols to be weak, and defining weak
aliases.
</p>
<dl compact="compact">
<dt><code>#pragma weak <var>symbol</var></code></dt>
<dd><a name="index-pragma_002c-weak"></a>
<p>This pragma declares <var>symbol</var> to be weak, as if the declaration
had the attribute of the same name.  The pragma may appear before
or after the declaration of <var>symbol</var>.  It is not an error for
<var>symbol</var> to never be defined at all.
</p>
</dd>
<dt><code>#pragma weak <var>symbol1</var> = <var>symbol2</var></code></dt>
<dd><p>This pragma declares <var>symbol1</var> to be a weak alias of <var>symbol2</var>.
It is an error if <var>symbol2</var> is not defined in the current
translation unit.
</p></dd>
</dl>


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