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68 lines
2.8 KiB
HTML
68 lines
2.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>Advice on Packaging LLVM</title>
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<link rel="stylesheet" href="llvm.css" type="text/css">
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</head>
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<body>
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<div class="doc_title">Advice on Packaging LLVM</div>
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<ol>
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<li><a href="#overview">Overview</a></li>
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<li><a href="#cxx-features">C++ Features</a></li>
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<li><a href="#shared-library">Shared Library</a></li>
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</ol>
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<!--=========================================================================-->
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<div class="doc_section"><a name="overview">Overview</a></div>
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<!--=========================================================================-->
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<div class="doc_text">
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<p>LLVM sets certain default configure options to make sure our developers don't
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break things for constrained platforms. These settings are not optimal for most
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desktop systems, and we hope that packagers (i.e., Redhat, Debian, MacPorts,
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etc.) will tweak them. This document lists settings we suggest you tweak.
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</p>
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</div>
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<!--=========================================================================-->
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<div class="doc_section"><a name="cxx-features">C++ Features</a></div>
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<!--=========================================================================-->
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<div class="doc_text">
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<dl>
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<dt>RTTI</dt><dd>LLVM disables RTTI by default. Add <tt>REQUIRES_RTTI=1</tt>
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to your environment while running <tt>make</tt> to re-enable it. This will
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allow users to build with RTTI enabled and inherit from LLVM classes.</dd>
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<dt>Exceptions</dt><dd>LLVM disables exceptions by default. Add
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<tt>REQUIRES_EH=1</tt> to your environment while running <tt>make</tt> to
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re-enable them. This will allow users to link LLVM and exception-using code.
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It also re-enables RTTI.</dd>
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</dl>
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</div>
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<!--=========================================================================-->
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<div class="doc_section"><a name="shared-library">Shared Library</a></div>
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<!--=========================================================================-->
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<div class="doc_text">
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<p>Configure with <tt>--enable-shared</tt> to build
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<tt>libLLVM-<var>major</var>.<var>minor</var>.(so|dylib)</tt> and link the tools
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against it. This saves lots of binary size at the cost of some startup time.
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</p>
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</div>
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<!-- *********************************************************************** -->
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<hr>
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<address>
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<a href="http://jigsaw.w3.org/css-validator/check/referer"><img
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src="http://jigsaw.w3.org/css-validator/images/vcss-blue" alt="Valid CSS"></a>
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src="http://www.w3.org/Icons/valid-html401-blue" alt="Valid HTML 4.01"></a>
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<a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br>
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Last modified: $Date: 2009-01-01 23:10:51 -0800 (Thu, 01 Jan 2009) $
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</address>
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</body>
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</html>
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