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<a href="#telepathy-glib-version.description" class="shortcut">Description</a></span>
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<a name="telepathy-glib-version"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="telepathy-glib-version.top_of_page"></a>Version information</span></h2>
<p>Version information — Checking the telepathy-glib version</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="telepathy-glib-version.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-MAJOR-VERSION:CAPS" title="TP_MAJOR_VERSION">TP_MAJOR_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-MINOR-VERSION:CAPS" title="TP_MINOR_VERSION">TP_MINOR_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-MICRO-VERSION:CAPS" title="TP_MICRO_VERSION">TP_MICRO_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-0-16:CAPS" title="TP_VERSION_0_16">TP_VERSION_0_16</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-0-18:CAPS" title="TP_VERSION_0_18">TP_VERSION_0_18</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-0-20:CAPS" title="TP_VERSION_0_20">TP_VERSION_0_20</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-0-22:CAPS" title="TP_VERSION_0_22">TP_VERSION_0_22</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-0-24:CAPS" title="TP_VERSION_0_24">TP_VERSION_0_24</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-MIN-REQUIRED:CAPS" title="TP_VERSION_MIN_REQUIRED">TP_VERSION_MIN_REQUIRED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="telepathy-glib-version.html#TP-VERSION-MAX-ALLOWED:CAPS" title="TP_VERSION_MAX_ALLOWED">TP_VERSION_MAX_ALLOWED</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="telepathy-glib-version.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <telepathy-glib/telepathy-glib.h>
</pre>
</div>
<div class="refsect1">
<a name="telepathy-glib-version.description"></a><h2>Description</h2>
<p>Since 0.19.0, telepathy-glib provides version information similar
to that used in GLib.</p>
<p>Typical usage from configure.ac is similar to GLib's:</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="function">AC_DEFINE</span><span class="gtkdoc opt">([</span>TP_VERSION_MIN_REQUIRED<span class="gtkdoc opt">], [</span>TP_VERSION_0_18<span class="gtkdoc opt">],</span>
<span class="gtkdoc opt">[</span>Ignore deprecations newer than <span class="keyword">this</span> branch<span class="gtkdoc opt">])</span>
<span class="function">AC_DEFINE</span><span class="gtkdoc opt">([</span>TP_VERSION_MAX_ALLOWED<span class="gtkdoc opt">], [</span>TP_VERSION_0_20<span class="gtkdoc opt">],</span>
<span class="gtkdoc opt">[</span>Prevent use of APIs newer than <span class="keyword">this</span> branch<span class="gtkdoc opt">])</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
<p>or you can define the macros directly on the compiler command line
if required:</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4</pre></td>
<td class="listing_code"><pre class="programlisting">cc <span class="gtkdoc opt">-</span>o foo foo<span class="gtkdoc opt">.</span>c \
<span class="gtkdoc opt">-</span>DTP_VERSION_MIN_REQUIRED<span class="gtkdoc opt">=</span>TP_VERSION_0_18 \
<span class="gtkdoc opt">-</span>DTP_VERSION_MAX_ALLOWED<span class="gtkdoc opt">=</span>TP_VERSION_0_20 \
$<span class="gtkdoc opt">{</span>TP_CFLAGS<span class="gtkdoc opt">}</span> $<span class="gtkdoc opt">{</span>TP_LIBS<span class="gtkdoc opt">}</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
<p>This functionality was added in telepathy-glib 0.19.0, but it
is safe to define the TP_VERSION_MIN_REQUIRED and TP_VERSION_MAX_ALLOWED
macros even for older versions of telepathy-glib, as long as you do
not try to expand them.</p>
</div>
<div class="refsect1">
<a name="telepathy-glib-version.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="telepathy-glib-version.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="TP-MAJOR-VERSION:CAPS"></a><h3>TP_MAJOR_VERSION</h3>
<pre class="programlisting">#define TP_MAJOR_VERSION 0
</pre>
<p>The major version of telepathy-glib (e.g. the 0 in 0.18.1) at the time your
code was compiled.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-MINOR-VERSION:CAPS"></a><h3>TP_MINOR_VERSION</h3>
<pre class="programlisting">#define TP_MINOR_VERSION 24
</pre>
<p>The minor version of telepathy-glib (e.g. the 18 in 0.18.1) at the time your
code was compiled.</p>
<p>Odd minor versions indicate a development branch; even minor versions
indicate a stable branch.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-MICRO-VERSION:CAPS"></a><h3>TP_MICRO_VERSION</h3>
<pre class="programlisting">#define TP_MICRO_VERSION 1
</pre>
<p>The micro version of telepathy-glib (e.g. the 1 in 0.18.1) at the time your
code was compiled.</p>
<p>Within a stable branch (even minor version), micro versions fix bugs
but do not add features.</p>
<p>Within a development branch (odd minor version), micro versions can
fix bugs and/or add features.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-0-16:CAPS"></a><h3>TP_VERSION_0_16</h3>
<pre class="programlisting">#define TP_VERSION_0_16 (_TP_ENCODE_VERSION (0, 16))
</pre>
<p>A constant representing the telepathy-glib 0.16 stable branch,
and the 0.15 development branch that led to it.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-0-18:CAPS"></a><h3>TP_VERSION_0_18</h3>
<pre class="programlisting">#define TP_VERSION_0_18 (_TP_ENCODE_VERSION (0, 18))
</pre>
<p>A constant representing the telepathy-glib 0.18 stable branch,
and the 0.17 development branch that led to it.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-0-20:CAPS"></a><h3>TP_VERSION_0_20</h3>
<pre class="programlisting">#define TP_VERSION_0_20 (_TP_ENCODE_VERSION (0, 20))
</pre>
<p>A constant representing the telepathy-glib 0.20 stable branch,
and the 0.19 development branch that led to it.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-0-22:CAPS"></a><h3>TP_VERSION_0_22</h3>
<pre class="programlisting">#define TP_VERSION_0_22 (_TP_ENCODE_VERSION (0, 22))
</pre>
<p>A constant representing the telepathy-glib 0.22 stable branch,
and the 0.21 development branch that led to it.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-0-24:CAPS"></a><h3>TP_VERSION_0_24</h3>
<pre class="programlisting">#define TP_VERSION_0_24 (_TP_ENCODE_VERSION (0, 24))
</pre>
<p>A constant representing the telepathy-glib 0.24 stable branch,
and the 0.23 development branch that led to it.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-MIN-REQUIRED:CAPS"></a><h3>TP_VERSION_MIN_REQUIRED</h3>
<pre class="programlisting"># define TP_VERSION_MIN_REQUIRED (_TP_VERSION_CUR_STABLE)
</pre>
<p>A version-number constant like <a class="link" href="telepathy-glib-version.html#TP-VERSION-0-18:CAPS" title="TP_VERSION_0_18"><code class="literal">TP_VERSION_0_18</code></a>.</p>
<p>This may be defined to a value like <a class="link" href="telepathy-glib-version.html#TP-VERSION-0-18:CAPS" title="TP_VERSION_0_18"><code class="literal">TP_VERSION_0_18</code></a> by users of
telepathy-glib, to set the minimum version they wish to
require. Warnings will be issued for functions deprecated in or
before that version.</p>
<p>If not defined, the default value is the previous stable branch.</p>
</div>
<hr>
<div class="refsect2">
<a name="TP-VERSION-MAX-ALLOWED:CAPS"></a><h3>TP_VERSION_MAX_ALLOWED</h3>
<pre class="programlisting"># define TP_VERSION_MAX_ALLOWED (_TP_VERSION_CUR_STABLE)
</pre>
<p>A version-number constant like <a class="link" href="telepathy-glib-version.html#TP-VERSION-0-18:CAPS" title="TP_VERSION_0_18"><code class="literal">TP_VERSION_0_18</code></a>.</p>
<p>This may be defined to a value like <a class="link" href="telepathy-glib-version.html#TP-VERSION-0-18:CAPS" title="TP_VERSION_0_18"><code class="literal">TP_VERSION_0_18</code></a> by users of
telepathy-glib, to set the maximum version they wish to
depend on. Warnings will be issued for functions deprecated in or
before that version.</p>
<p>If not defined, the default value in stable branches is that stable
branch, and the default value in development branches is the next
stable branch.</p>
</div>
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