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| <h3 class="section">B.6 System-wide configuration and settings</h3> |
| |
| <p><a name="index-system_002dwide-init-file-2299"></a> |
| <span class="sc">gdb</span> can be configured to have a system-wide init file; |
| this file will be read and executed at startup (see <a href="Startup.html#Startup">What <span class="sc">gdb</span> does during startup</a>). |
| |
| <p>Here is the corresponding configure option: |
| |
| <dl> |
| <dt><code>--with-system-gdbinit=</code><var>file</var><dd>Specify that the default location of the system-wide init file is |
| <var>file</var>. |
| </dl> |
| |
| <p>If <span class="sc">gdb</span> has been configured with the option <samp><span class="option">--prefix=$prefix</span></samp>, |
| it may be subject to relocation. Two possible cases: |
| |
| <ul> |
| <li>If the default location of this init file contains <samp><span class="file">$prefix</span></samp>, |
| it will be subject to relocation. Suppose that the configure options |
| are <samp><span class="option">--prefix=$prefix --with-system-gdbinit=$prefix/etc/gdbinit</span></samp>; |
| if <span class="sc">gdb</span> is moved from <samp><span class="file">$prefix</span></samp> to <samp><span class="file">$install</span></samp>, the system |
| init file is looked for as <samp><span class="file">$install/etc/gdbinit</span></samp> instead of |
| <samp><span class="file">$prefix/etc/gdbinit</span></samp>. |
| |
| <li>By contrast, if the default location does not contain the prefix, |
| it will not be relocated. E.g. if <span class="sc">gdb</span> has been configured with |
| <samp><span class="option">--prefix=/usr/local --with-system-gdbinit=/usr/share/gdb/gdbinit</span></samp>, |
| then <span class="sc">gdb</span> will always look for <samp><span class="file">/usr/share/gdb/gdbinit</span></samp>, |
| wherever <span class="sc">gdb</span> is installed. |
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