* Updated dependency information.
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@ -57,14 +57,15 @@ repository.</para>
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<para>To build the parser, very <emphasis>recent</emphasis> versions
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of Bison and Flex are required. (This is because Nix needs GLR
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support in Bison and reentrancy support in Flex.) For Bison, you need
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version 1.875c or higher (1.875 does <emphasis>not</emphasis> work),
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which can be obtained from the <link
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xlink:href="ftp://alpha.gnu.org/pub/gnu/bison">GNU FTP server</link>.
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For Flex, you need version 2.5.31, which is available on <link
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xlink:href="http://lex.sourceforge.net/">SourceForge</link>. Slightly
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older versions may also work, but ancient versions like the ubiquitous
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2.5.4a won't. Note that these are only required if you modify the
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parser or when you are building from the Subversion repository.</para>
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version 2.3 or higher (1.875 does <emphasis>not</emphasis> work),
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which can be obtained from
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the <link xlink:href="ftp://alpha.gnu.org/pub/gnu/bison">GNU FTP
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server</link>. For Flex, you need version 2.5.33, which is available
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on <link xlink:href="http://lex.sourceforge.net/">SourceForge</link>.
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Slightly older versions may also work, but ancient versions like the
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ubiquitous 2.5.4a won't. Note that these are only required if you
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modify the parser or when you are building from the Subversion
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repository.</para>
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<para>Nix uses Sleepycat's Berkeley DB and CWI's ATerm library. These
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are included in the Nix source distribution. If you build from the
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@ -75,7 +76,7 @@ these packages. Alternatively, if you already have them installed,
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you can use <command>configure</command>'s <option>--with-bdb</option>
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and <option>--with-aterm</option> options to point to their respective
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locations. Note that Berkeley DB <emphasis>must</emphasis> be version
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4.4; other versions may not have compatible database formats.</para>
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4.5; other versions may not have compatible database formats.</para>
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</section>
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