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+  <title>Software LLVM Requires</title>
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+  <meta name="author" content="Various">
+  <meta name="description" content="A list of software that LLVM depends on in
+  order to build.">
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+<body>
+<!-- *********************************************************************** -->
+<div class="doc_title">Software LLVM Requires</div>
+<div class="doc_author">
+<p>Written by <a href="mailto:rspencer@x10sys.com">Reid Spencer</a></p>
+</div>
+<!-- *********************************************************************** -->
+<div class="doc_text">
+  <p>This document provides a list of the software packages that LLVM depends on
+  in order to be built successfully from CVS sources. The requirements for
+  building from a distribution are fewer. Items only needed for building from a
+  distribution are noted with an asterisk (*).</p>
+  <p>The table below shows the required software packages. Package is the usual
+  name for a given software package that LLVM depends on. Version is a list of
+  "known to work" versions of the package. Usage describes how LLVM uses the
+  package.</p>
+  <table>
+    <tr><th>Package</th><th>Version</th><th>Usage</th></tr>
+    <tr><td>autoconf*</td><td>2.59</td><td>Configuration script builder</td></tr>
+    <tr><td>bison</td><td>1.35</td><td>YACC compiler for various languages</td></tr>
+    <tr><td>cvs*</td><td>1.11</td><td>Obtaining latest CVS versions</td></tr>
+    <tr><td>deja-gnu</td><td>1.4.2</td><td>Automated test suite</td></tr>
+    <tr><td>flex</td><td>2.5.4</td><td>LEX compiler for various languages</td></tr>
+    <tr><td>expect</td><td>5.38.0</td><td>Automated test suite</td></tr>
+    <tr><td>perl</td><td>&gt;5.6.0</td><td>Nightly tester, utilities</td></tr>
+    <tr><td>GCC</td><td>3.4.2</td><td>C/C++ compiler</td></tr>
+    <tr><td>GNU Make</td><td>3.79, 3.79.1</td><td>Makefile/build
+        processor</td></tr>
+    <tr><td>libtool*</td><td>1.5.10</td><td>Shared library manager</td></tr>
+    <tr><td>qmtest</td><td>2.0.3</td><td>Automated test suite</td></tr>
+    <tr><td>tcl</td><td>8.3</td><td>Automated test suite</td></tr>
+  </table>
+  <p>Additionally, your compilation host is expected to have the usual plethora of
+  Unix utilities. Specifically:</p>
+  <ul>
+    <li><b>ar</b> - archive library builder</li>
+    <li><b>bzip2*</b> - bzip2 command for distribution generation</li>
+    <li><b>bunzip2*</b> - bunzip2 command for distribution checking</li>
+    <li><b>chmod</b> - change permissions on a file</li>
+    <li><b>cat</b> - output concatentation utility</li>
+    <li><b>cp</b> - copy files</li>
+    <li><b>date</b> - print the current date/time </li>
+    <li><b>echo</b> - print to standard output</li>
+    <li><b>egrep</b> - extended regular expression search utility</li>
+    <li><b>etags</b> - C/C++ tag file creator for vim/emacs</li>
+    <li><b>find</b> - find files/dirs in a file system</li>
+    <li><b>grep</b> - regular expression search utility</li>
+    <li><b>gzip*</b> - gzip command for distribution generation</li>
+    <li><b>gunzip*</b> - gunzip command for distribution checking</li>
+    <li><b>install</b> - install directories/files </li>
+    <li><b>mkdir</b> - create a directory</li>
+    <li><b>mv</b> - move (rename) files</li>
+    <li><b>ranlib</b> - symbol table builder for archive libraries</li>
+    <li><b>sed</b> - stream editor for transforming output</li>
+    <li><b>sh</b> - Bourne shell for make build scripts</li>
+    <li><b>tar</b> - tape archive for distribution generation</li>
+    <li><b>test</b> - test things in file system</li>
+    <li><b>unzip*</b> - unzip command for distribution checking</li>
+    <li><b>zip*</b> - zip command for distribution generation</li>
+  </ul>
+</div>
+
+<!-- *********************************************************************** -->
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Package	Version	Usage
autoconf*	2.59	Configuration script builder
bison	1.35	YACC compiler for various languages
cvs*	1.11	Obtaining latest CVS versions
deja-gnu	1.4.2	Automated test suite
flex	2.5.4	LEX compiler for various languages
expect	5.38.0	Automated test suite
perl	>5.6.0	Nightly tester, utilities
GCC	3.4.2	C/C++ compiler
GNU Make	3.79, 3.79.1	Makefile/build + processor
libtool*	1.5.10	Shared library manager
qmtest	2.0.3	Automated test suite
tcl	8.3	Automated test suite