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mblume |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>SML/NJ 110.58 NEWS</title>
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</head>
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<body>
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<pre>
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S M L / N J
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1 1 0 . 5 8 N E W S
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March 3, 2006
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WARNING
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This working version is believed to be stable, but
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we have not run our full regression-test suite.
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</pre>
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<dl>
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<dt>HOME:</dt>
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<dd><a href="http://www.smlnj.org/index.html">http://www.smlnj.org/index.html</a></dd>
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<dt>FILES:</dt>
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<dd><a href="http://smlnj.cs.uchicago.edu/dist/working/110.58/">http://smlnj.cs.uchicago.edu/dist/working/110.58/</a></dd>
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</dl>
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<h2>Summary:</h2>
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Support for Intel Macs and x86-64 under Linux, a brand-new
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replacement for ml-lex, and other minor improvements as well
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as bugfixes.
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<hr>
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<h2>Details:</h2>
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<dl>
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<dt>Lexer generator:</dt>
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<dd>
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<ul>
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<li>A new, much improved lexer generator tool has been developed by
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Aaron Turon and John Reppy. The new tool, called <tt>lexgen</tt>, can be
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used as a drop-in replacement for <tt>ml-lex</tt>.</li>
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<li>The compilation manager is able to have lex specification
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files processed by either <tt>lexgen</tt> or the original
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<tt>ml-lex</tt>. For the time being, the latter is the default.</li>
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<li>To change this aspect of CM's behavior, invoke <tt>sml</tt>
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(and related commands such as <tt>ml-build</tt>) using the
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<tt>-Ccm.use-legacy-lex=false</tt> command line switch.
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Alternatively, one can define an environment variable
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<tt>CM_USE_LEGACY_LEX</tt> and set it to <tt>false</tt>.</li>
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<li>Binaries (bootfiles) shipped with this version have been
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compiled using <tt>lexgen</tt>.
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</ul>
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</dd>
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<dt>Newly supported platforms:</dt>
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<dd>
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<ul>
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<li>SML/NJ builds and runs on Intel-based Macs running Mac OS X.</li>
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<li>SML/NJ builds and runs on x86-64 systems using 32-bit mode.</li>
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<li>SML/NJ should build and run on NetBSD 3.x (untested).</li>
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</ul>
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</dd>
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<dt>Platforms no longer supported:</dt>
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<dd>
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<ul>
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<li>Support for pre-2.2 Linux kernels has been dropped.</li>
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</ul>
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</dd>
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<dt>Runtime system:</dt>
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<dd>
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<ul>
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<li>Signal handling on x86/Linux has been cleaned up.</li>
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</ul>
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</dd>
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<dt>MLRISC:</dt>
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<dd>
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<ul>
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<li>Scripts for rebuilding MLRISC-generated files have been updated
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to reflect changes to CM.</li>
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</ul>
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</dd>
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<dt>Backend:</dt>
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<dd>
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<ul>
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<li>Darwin-specific Intel ABI (for foreign-function interface)
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implemented. The solution is temporary since it currently relies
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on the fact that the compiler itself does not use the FFI.</li>
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</ul>
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</dd>
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<dt>Compilation manager:</dt>
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<dd>
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<ul>
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<li>Improved CM-specific error reporting and handling.</li>
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</ul>
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</dd>
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<dt>Installation:</dt>
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<dd>
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<ul>
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<li>Enabling <tt>$/html-lib.cm</tt> in config/preloads now works.</li>
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</ul>
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</dd>
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<dt>CML:</dt>
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<dd>
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<ul>
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<li><tt>withNack</tt> wrapped around a <tt>never</tt> event will
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now properly signal the negative acknowledgement.</li>
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</ul>
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</dd>
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</dl>
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</body>
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</html>
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