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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Implement a minimal rebuild option"
href="http://llvm.org/bugs/show_bug.cgi?id=16822">16822</a>
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<th>Summary</th>
<td>Implement a minimal rebuild option
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>-New Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ehsan@mozilla.com
</td>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>The Microsoft compiler supports this:
<<a href="http://msdn.microsoft.com/en-us/library/vstudio/kfz8ad09.aspx">http://msdn.microsoft.com/en-us/library/vstudio/kfz8ad09.aspx</a>>.
I think this basically comes down to the compiler keeping track of where each
name in the preprocessing and semantic analysis phase is coming from (which
clang currently does), and using that information to decide whether a change in
a header file is going to change the declaration/definition of any of those
names and skip generating a new object file if that's not the case.
Does this make sense to implement in clang?</pre>
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