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Add a little more detail about the configuration process for projects.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20368 91177308-0d34-0410-b5e6-96231b3b80d8
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Reid Spencer 2005-02-28 00:40:29 +00:00
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commit 5175b82ecc
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@ -89,39 +89,52 @@ the name of your project.</li>
<li>Add your source code and Makefiles to your source tree.</li>
<li>If you want your Makefiles to be configured by the <tt>configure</tt>
script, or if you want to support multiple object directories, add your
Makefiles to the <tt>configure</tt> script by adding them into the
<tt>autoconf/configure.ac</tt> file. The macro <tt>AC_CONFIG_MAKEFILE</tt> will
copy a file, unmodified, from the source directory to the object directory.</li>
<li>If you want your project to be configured with the <tt>configure</tt> script
then you need to edit <tt>autoconf/configure.ac</tt> as follows:
<ul>
<li><b>AC_INIT</b>. Place the name of your project, its version number and
a contact email address for your project as the arguments to this macro</li>
<li><b>AC_CONFIG_AUC_DIR</tt>. If your project isn't in the
<tt>llvm/projects</tt> directory then you might need to adjust this so that
it specifies a relative path to the <tt>llvm/autoconf</tt> directory.</li>
<li><b>LLVM_CONFIG_PROJECT</b>. Just leave this alone.</li>
<li><b>AC_CONFIG_SRCDIR</b>. Specify a path to a file name that identifies
your project; or just leave it at <tt>Makefile.config.in</tt></li>
<li><b>AC_CONFIG_FILES</b>. Do not change.</li>
<li><b>AC_CONFIG_MAKEFILE</b>. Use one of these macros for each Makefile
that your project uses. This macro arranges for your makefiles to be copied
from the source directory, unmodified, to the build directory.</li>
</ul>
</li>
<li>After updating <tt>autoconf/configure.ac</tt>, regenerate the
configure script with these commands:
<div class="doc_code">
<p><tt>% cd autoconf<br>
% autoconf -o ../configure</tt></p>
% AutoRegen.sh</tt></p>
</div>
<p>You must be using Autoconf version 2.57 or higher.</p></li>
<p>You must be using Autoconf version 2.59 or later and your aclocal version
should 1.9 or later.</p></li>
<li>Run <tt>configure</tt> in the directory in which you want to place
object code. Use the following options to tell your project where it
can find LLVM:
<dl>
<dt><tt>--with-llvmsrc=&lt;directory&gt;</tt>
<dd>
Tell your project where the LLVM source tree is located.
<p>
<dt><tt>--with-llvmobj=&lt;directory&gt;</tt>
<dd>
Tell your project where the LLVM object tree is located.
<dt><tt>--with-llvmsrc=&lt;directory&gt;</tt></dt>
<dd>Tell your project where the LLVM source tree is located.</dd>
<dt><br/><tt>--with-llvmobj=&lt;directory&gt;</tt></dt>
<dd>Tell your project where the LLVM object tree is located.</dd>
<dt><br/><tt>--prefix=&lt;directory&gt;</tt></dt>
<dd>Tell your project where it should get installed.</dd>
</dl>
</ol>
<p>That's it! Now all you have to do is type <tt>gmake</tt> in the root of
your object directory, and your project should build.</p>
<p>That's it! Now all you have to do is type <tt>gmake</tt> (or <tt>make</tt>
if your on a GNU/Linux system) in the root of your object directory, and your
project should build.</p>
</div>