2012-11-23 21:41:45 +00:00
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<title>GMQCC by graphitemaster</title>
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<link rel="stylesheet" href="stylesheets/styles.css">
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</head>
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<body>
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<a href="https://github.com/graphitemaster/gmqcc"><div class="fork"></div></a>
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<div class="wrapper">
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<header>
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<h1 class="header">GMQCC</h1>
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<p class="header">An Improved Quake C Compiler</p>
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<ul>
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<li class="download"><a href="https://github.com/graphitemaster/gmqcc/zipball/master">Download ZIP</a></li>
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<li class="download"><a href="https://github.com/graphitemaster/gmqcc/tarball/master">Download TAR</a></li>
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<li class="buttons"><a href="https://github.com/graphitemaster/gmqcc/issues">Issues</a></li>
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<li class="buttons"><a href="doc.html">Documentation</a></li>
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<li class="buttons"><a href="https://github.com/graphitemaster/gmqcc">View On GitHub</a></li>
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</ul>
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</header>
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<section>
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2012-11-24 01:46:48 +00:00
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<ul class="wiki">
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<li class="wiki"><a class="wiki" href="#cdoc">Compiler Documentation</a></li>
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<li class="wiki"><a class="wiki" href="#bdoc">Building Documentation</a></li>
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<li class="wiki"><a class="wiki" href="#tdoc">Testsuite Documentation</a></li>
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</ul>
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<h1><a name="cdoc">Compiler Documentation</a></h1>
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<h3>Defaults Flag</h3>
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2012-11-23 21:41:45 +00:00
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<p>
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The <i>-show-defaults</i> flag instructs the compiler to print out the defaults used related to
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the standard, optimization, and code generation. When this flag is specified, the compiler
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will just print the defaults and quit. No compilation is performed.
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</p>
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2012-11-23 21:46:39 +00:00
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<pre>$ gmqcc -show-defaults</pre>
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2012-11-24 01:46:48 +00:00
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<h3>Compiling for an alternitive standard</h3>
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2012-11-23 21:41:45 +00:00
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To compile with a different dialect of the QuakeC programming language the <i>-std</i>
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flag can be instructed to select one of the following options:
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<table border="0">
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<tr>
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<td>gmqcc</td>
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<td>default standard</td>
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</tr>
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<tr>
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<td>fteqcc</td>
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<td>fteqcc standard</td>
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</tr>
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<tr>
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<td>qcc</td>
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<td>vanila QuakeC standard</td>
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</tr>
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</table>
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<h2>Common compiler options</h2>
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<table border="0">
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<tr>
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<td>Options</td>
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<td>What it does</td>
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</tr>
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<tr>
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<td>-l<path></td>
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<td>Adds <path> to the directories searched by the preprocessor for include file resolution.</td>
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</tr>
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<tr>
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<td>-o <file></td>
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<td>Generates the named executable (progs.src) file (when not specified default is progs.src).</td>
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</tr>
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<tr>
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<td>-O<level></td>
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<td>Specfies the optimization level: highest being 3, lowest being 0 (no optimization).</td>
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</tr>
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<tr>
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<td>-E</td>
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<td>Instructs the compiler to only preprocess the input, writing the preprocessed output to stdout</td>
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</tr>
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<tr>
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<td>-Wall</td>
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<td>Enables all compiled warnings for the selcted standard</td>
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</tr>
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<tr>
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<td>-Werror</td>
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<td>Instruct the compiler to treat all warnings as errors</td>
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</tr>
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<tr>
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<td>-std=<standard></td>
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<td>Selects the standard dialect</td>
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</tr>
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</table>
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2012-11-24 01:46:48 +00:00
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<h3>Predefined Macros</h3>
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<table border="0">
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<tr>
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<td>Macro</td>
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<td>What it represents</td>
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</tr>
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<tr>
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2012-11-23 22:04:30 +00:00
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<td>GMQCC</td>
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<td>Specifies the current selected standard is gmqcc.</td>
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</tr>
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<tr>
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2012-11-23 22:04:30 +00:00
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<td>FTEQCC</td>
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<td>Specifies the current selected standard is fteqcc.</td>
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</tr>
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<tr>
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<td>QCC</td>
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<td>Specifies the current selected standard is qcc.</td>
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</tr>
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2012-11-23 21:52:38 +00:00
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<tr>
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<td>__STD_VERSION_MINOR__</td>
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<td>Specifies the current selected stanadards minor version number.</td>
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</tr>
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<tr>
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<td>__STD_VERSION_MAJOR__</td>
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<td>Specifies the current selected stanadards major version number.</td>
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</tr>
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</table>
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2012-11-24 01:46:48 +00:00
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<h3>Unsupported compatability options</h3>
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2012-11-23 21:41:45 +00:00
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<p>
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GMQCC strives hard for compatability with standard dialects, but not all
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features of those standards might be implemented. The unsupported features
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are presented below:
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<table border="0">
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<tr>
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<td>Feature</td>
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<td>Standard</td>
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</tr>
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<tr>
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<td>Inline Assembly</td>
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<td>FTEQCC</td>
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</tr>
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<tr>
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<td>Macro expansion in strings</td>
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<td>FTEQCC</td>
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</tr>
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</table>
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</p>
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2012-11-24 01:46:48 +00:00
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<h2>Less common compiler options</h2>
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<h3>Code generation options</h3>
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2012-11-23 21:41:45 +00:00
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<table border="0">
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<tr>
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<td>Option</td>
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<td>What it does</td>
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</tr>
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<tr>
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<td>-foverlap-locals</td>
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<td>Reduces codesize by overlapping locals where possible</td>
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</tr>
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<tr>
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<td>-fdarkplaces-string-table-bug</td>
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<td>Works around a bug in older Darkplaces engine builds where the stringtable size is computed wrong</td>
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</tr>
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<tr>
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<td>-fadjust-vector-fields</td>
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<td>corrects assignment of vector field pointers (STORE_V instead of STORE_FLD)</td>
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</tr>
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<tr>
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<td>-fftepp</td>
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<td>Enables FTEQ preprocessor</td>
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</tr>
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<tr>
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<td>-frelaxted-switch</td>
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<td>Relaxes switch statement semantics</td>
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</tr>
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<tr>
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<td>-fshort-logic</td>
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<td>Enables short circut evaluation/logic</td>
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</tr>
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<tr>
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<td>-fperl-logic</td>
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<td>Enables perl evalutaion/logic</td>
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</tr>
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</table>
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2012-11-24 01:46:48 +00:00
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<h3>Warning options</h3>
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<table border="0">
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<tr>
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<td>Option</td>
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<td>What it does</td>
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</tr>
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<tr>
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<td>-Wunused-uninitialized</td>
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<td>Enables warnings about unused or uninitialized variables</td>
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</tr>
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<tr>
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<td>-Wunknwon-control-sequence</td>
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<td>Enables warnings about unknown control sequences</td>
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</tr>
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<tr>
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<td>-Wextension</td>
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<td>Enables warnings about the use of (an) extension(s)</td>
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</tr>
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<tr>
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<td>-Wfield-redeclared</td>
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<td>Enables warnings about redeclared fields</td>
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</tr>
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<tr>
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<td>-Wmissing-return-values</td>
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<td>Enables warnings about missing return values</td>
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</tr>
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<tr>
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<td>-Wtoo-few-paramaters</td>
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<td>Enables warnings about missing paramaters for function calls</td>
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</tr>
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<tr>
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<td>-Wlocal-shadows</td>
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<td>Enables warnings about locals shadowing paramaters or other locals</td>
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</tr>
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<tr>
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<td>-Wlocal-constants</td>
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<td>Enables warnings about constants specified as locals</td>
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</tr>
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<tr>
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<td>-Wvoid-variables</td>
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<td>Enables warnings about variables declared as type void</td>
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</tr>
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<tr>
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<td>-Wimplicit-function-pointer</td>
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<td>Enables warnings about implicitly declared function pointers</td>
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</tr>
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<tr>
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<td>-Wvariadic-function</td>
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<td>Enables warnings for use of varadics for non-builtin functions</td>
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</tr>
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<tr>
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<td>-Wframe-macros</td>
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<td>Enables warnings about duplicated frame macros</td>
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</tr>
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<tr>
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<td>-Weffectless-statement</td>
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<td>Enables warnings about effectiveless statements</td>
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</tr>
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<tr>
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<td>-Wend-sys-field</td>
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<td>Enables warnings of end_sys_fields being declared a field</td>
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</tr>
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<tr>
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<td>-Wassign-function-types</td>
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<td>Enables warnings for incompatible function pointer signatures used in assignment</td>
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</tr>
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<tr>
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<td>-Wpreprocessor</td>
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<td>Enables warnings about redefined macros</td>
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</tr>
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<tr>
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<td>-Wmultifile-if</td>
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<td>Enables warnings about multifile if statements</td>
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</tr>
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</table>
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<p>
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Individual warnings may be disabled with -Wno<warning>
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<pre>$ gmqcc -Wno-frame-macros # disables frame duplication warning</pre>
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</p>
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2012-11-24 01:46:48 +00:00
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<h3>Miscellaneous options</h3>
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2012-11-23 21:41:45 +00:00
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<table border="0">
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<tr>
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<td>Option</td>
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<td>What it does</td>
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</tr>
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<tr>
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<td>-force-crc=<num></td>
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<td>Forces a specific checsum into the header</td>
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</tr>
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<tr>
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<td>-debug</td>
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<td>Turns on compiler debug messages</td>
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</tr>
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<tr>
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<td>-memchk</td>
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<td>Turns on compiler memory leak checker</td>
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</tr>
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2012-11-23 22:04:30 +00:00
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<tr>
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<td>-Whelp or -W?</td>
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<td>Lists all warning options</td>
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</tr>
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<tr>
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<td>-fhelp or -f?</td>
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2012-11-23 22:04:54 +00:00
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<td>Lists all code generation options</td>
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</tr>
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2012-11-23 21:41:45 +00:00
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</table>
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2012-11-24 01:46:48 +00:00
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<h1><a name="bdoc">Building Documentation</a></h1>
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<h2>Building on BSD/NIX</h2>
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<p>
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To compile GMQCC on BSD/NIX the following things are
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required:
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<ul>
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<li>GIT</li>
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<li>Make</li>
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<li>Any C90+ C compiler</li>
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</ul>
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Once obtained you may checkout the development repository
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with the following shell commands
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<pre>$ git clone git://github.com/graphitemaster/gmqcc.git
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$ cd gmqcc
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</pre>
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The Makefile contains a few rules, depending on what you
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want to compile, the following rules are:
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<table border="0">
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<tr>
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<td>Rule</td>
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<td>What it does</td>
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</tr>
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<tr>
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<td>gmqcc</td>
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<td>Builds the gmqcc compiler</td>
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</tr>
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<tr>
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<td>qcvm</td>
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<td>Builds a standable QuakeC VM</td>
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</tr>
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<tr>
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<td>testsuite</td>
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<td>Builds the testsuite for GMQCC</td>
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</tr>
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<tr>
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<td>all</td>
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<td>Builds gmqcc, qcvm, and testsuite</td>
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</tr>
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<tr>
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<td>install</td>
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<td>Installs gmqcc to /usr/local/</td>
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</tr>
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<tr>
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<td>check</td>
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<td>Runs the testsuite to verify correctness</td>
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</tr>
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</table>
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</p>
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<h2>Building on Windows</h2>
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<p>
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To compile GMQCC on windows the following things are
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required:
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<ul>
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<li><a href="http://msysgit.googlecode.com/files/Git-1.8.0-preview20121022.exe">msysGit</a></li>
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<li><a href="http://www.microsoft.com/visualstudio/eng/downloads">Visual Studio</a></li>
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</ul>
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Once obtained you may checkout the development repository
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with the following msysGit commands from a msysGit shell.
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<pre>$ git clone git://github.com/graphitemaster/gmqcc.git</pre>
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Included is a VS project file.
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</p>
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<h1><a name="tdoc">Testsuite Documentation</a></h1>
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<p>
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GMQCC comes with a complete testsuite system for verifying semantics
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and syntatics, TODO explain more and how to use it, write your own
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tests etc....
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</p>
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2012-11-23 21:41:45 +00:00
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<h3>Support or Contact</h3>
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<p>Having trouble with GMQCC? Join our IRC channel at #kf-engine on irc.freenode.net or contact <a href="mailto:cube2killfild@gmail.com">Us</a>
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</section>
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