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<title>Config Names - Debugging with GDB</title>
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<a name="Config-Names"></a>
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Next: <a rel="next" accesskey="n" href="Configure-Options.html#Configure-Options">Configure Options</a>,
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Previous: <a rel="previous" accesskey="p" href="Separate-Objdir.html#Separate-Objdir">Separate Objdir</a>,
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Up: <a rel="up" accesskey="u" href="Installing-GDB.html#Installing-GDB">Installing GDB</a>
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<h3 class="section">C.4 Specifying Names for Hosts and Targets</h3>
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<p>The specifications used for hosts and targets in the <samp><span class="file">configure</span></samp>
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script are based on a three-part naming scheme, but some short predefined
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aliases are also supported. The full naming scheme encodes three pieces
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of information in the following pattern:
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<pre class="smallexample"> <var>architecture</var>-<var>vendor</var>-<var>os</var>
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</pre>
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<p>For example, you can use the alias <code>sun4</code> as a <var>host</var> argument,
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or as the value for <var>target</var> in a <code>--target=</code><var>target</var>
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option. The equivalent full name is ‘<samp><span class="samp">sparc-sun-sunos4</span></samp>’.
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<p>The <samp><span class="file">configure</span></samp> script accompanying <span class="sc">gdb</span> does not provide
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any query facility to list all supported host and target names or
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aliases. <samp><span class="file">configure</span></samp> calls the Bourne shell script
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<code>config.sub</code> to map abbreviations to full names; you can read the
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script, if you wish, or you can use it to test your guesses on
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abbreviations—for example:
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<pre class="smallexample"> % sh config.sub i386-linux
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i386-pc-linux-gnu
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% sh config.sub alpha-linux
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alpha-unknown-linux-gnu
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% sh config.sub hp9k700
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hppa1.1-hp-hpux
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% sh config.sub sun4
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sparc-sun-sunos4.1.1
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% sh config.sub sun3
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m68k-sun-sunos4.1.1
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% sh config.sub i986v
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Invalid configuration `i986v': machine `i986v' not recognized
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</pre>
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<p class="noindent"><code>config.sub</code> is also distributed in the <span class="sc">gdb</span> source
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directory (<samp><span class="file">gdb-8.3.0.20190709-git</span></samp>, for version 8.3.0.20190709-git).
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</body></html>
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