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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2001 - 2019 The SCons Foundation
This file is processed by the bin/SConsDoc.py module.
See its __doc__ string for a discussion of the format.
-->
<!DOCTYPE sconsdoc [
<!ENTITY % scons SYSTEM '../../../../doc/scons.mod'>
%scons;
<!ENTITY % builders-mod SYSTEM '../../../../doc/generated/builders.mod'>
%builders-mod;
<!ENTITY % functions-mod SYSTEM '../../../../doc/generated/functions.mod'>
%functions-mod;
<!ENTITY % tools-mod SYSTEM '../../../../doc/generated/tools.mod'>
%tools-mod;
<!ENTITY % variables-mod SYSTEM '../../../../doc/generated/variables.mod'>
%variables-mod;
]>
<sconsdoc xmlns="http://www.scons.org/dbxsd/v1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">
<tool name="lex">
<summary>
<para>
Sets construction variables for the &lex; lexical analyser.
</para>
</summary>
<sets>
<item>LEX</item>
<item>LEXFLAGS</item>
<item>LEXCOM</item>
<item>LEXUNISTD</item>
</sets>
<uses>
<item>LEXCOMSTR</item>
</uses>
</tool>
<cvar name="LEX">
<summary>
<para>
The lexical analyzer generator.
</para>
</summary>
</cvar>
<cvar name="LEXCOM">
<summary>
<para>
The command line used to call the lexical analyzer generator
to generate a source file.
</para>
</summary>
</cvar>
<cvar name="LEXCOMSTR">
<summary>
<para>
The string displayed when generating a source file
using the lexical analyzer generator.
If this is not set, then &cv-link-LEXCOM; (the command line) is displayed.
</para>
<example_commands>
env = Environment(LEXCOMSTR = "Lex'ing $TARGET from $SOURCES")
</example_commands>
</summary>
</cvar>
<cvar name="LEXFLAGS">
<summary>
<para>
General options passed to the lexical analyzer generator.
</para>
</summary>
</cvar>
<cvar name="LEXUNISTD">
<summary>
<para>
Used only on windows environments to set a lex flag to prevent 'unistd.h' from being included. The default value is '--nounistd'.
</para>
</summary>
</cvar>
</sconsdoc>
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