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Add the preconditions target per suggestion by Henrik Bach.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-10-31 18:50:34 +00:00
parent f498568240
commit e1907865b8
1 changed files with 15 additions and 0 deletions
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15
docs/MakefileGuide.html
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@ -44,6 +44,7 @@
<li><a href="#dist-check">dist-check</a></li>
<li><a href="#dist-clean">dist-clean</a></li>
<li><a href="#install">install</a></li>
<li><a href="#preconditions">preconditions</a></li>
<li><a href="#printvars">printvars</a></li>
<li><a href="#tags">tags</a></li>
<li><a href="#uninstall">uninstall</a></li>
@ -308,6 +309,9 @@
<tr><td><a href="#install"><tt>install</tt></a></td><td>all</td>
<td>Copy built objects to installation directory.
</td></tr>
<tr><td><a href="#preconditions"><tt>preconditions</tt></a></td><td>all</td>
<td>Check to make sure configuration and makefiles are up to date.
</td></tr>
<tr><td><a href="#printvars"><tt>printvars</tt></a></td><td>all</td>
<td>Prints variables defined by the makefile system (for debugging).
</td></tr>
@ -412,6 +416,17 @@
directory will have everything needed to <b>use</b> LLVM. </p>
</div>
<!-- ======================================================================= -->
<div class="doc_subsection"><a name="preconditions">preconditions</a></div>
<div class="doc_text">
<p>This utility target checks to see if the <tt>Makefile</tt> in the object
directory is older than the <tt>Makefile</tt> in the source directory and
copies it if so. It also reruns the <tt>configure</tt> script if that needs to
be done and rebuilds the <tt>Makefile.config</tt> file similarly. Users may
overload this target to ensure that sanity checks are run <em>before</em> any
building of targets as all the targets depend on <tt>preconditions</tt>.</p>
</div>
<!-- ======================================================================= -->
<div class="doc_subsection"><a name="printvars">printvars</a></div>
<div class="doc_text">