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+><HEAD
+><TITLE
+>CDL Language Specification</TITLE
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+TITLE="The eCos Component Writer's Guide"
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+><TR
+><TH
+COLSPAN="3"
+ALIGN="center"
+>The <SPAN
+CLASS="APPLICATION"
+>eCos</SPAN
+> Component Writer's Guide</TH
+></TR
+><TR
+><TD
+WIDTH="10%"
+ALIGN="left"
+VALIGN="bottom"
+><A
+HREF="build.tests.html"
+ACCESSKEY="P"
+>Prev</A
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+><DIV
+CLASS="CHAPTER"
+><H1
+><A
+NAME="REFERENCE">Chapter 5. CDL Language Specification</H1
+><DIV
+CLASS="TOC"
+><DL
+><DT
+><B
+>Table of Contents</B
+></DT
+><DT
+><A
+HREF="ref.cdl-option.html"
+><TT
+CLASS="LITERAL"
+>cdl_option</TT
+></A
+> -- Define a single configuration option</DT
+><DT
+><A
+HREF="ref.cdl-component.html"
+><TT
+CLASS="LITERAL"
+>cdl_component</TT
+></A
+> -- Define a component, a collection of configuration options</DT
+><DT
+><A
+HREF="ref.cdl-package.html"
+><TT
+CLASS="LITERAL"
+>cdl_package</TT
+></A
+> -- Define a package, a component that can be distributed</DT
+><DT
+><A
+HREF="ref.cdl-interface.html"
+><TT
+CLASS="LITERAL"
+>cdl_interface</TT
+></A
+> -- Define an interface, functionality that can be provided by
+a number of different implementations.</DT
+><DT
+><A
+HREF="ref.active-if.html"
+><SPAN
+CLASS="PROPERTY"
+>active_if</SPAN
+></A
+> -- Allow additional control over the active state of an
+option or other CDL entity.</DT
+><DT
+><A
+HREF="ref.calculated.html"
+><SPAN
+CLASS="PROPERTY"
+>calculated</SPAN
+></A
+> -- Used if the current option's value is not user-modifiable,
+but is calculated using a suitable CDL expression.</DT
+><DT
+><A
+HREF="ref.compile.html"
+><SPAN
+CLASS="PROPERTY"
+>compile</SPAN
+></A
+> -- List the source files that should be built if this option
+is active and enabled.</DT
+><DT
+><A
+HREF="ref.default-value.html"
+><SPAN
+CLASS="PROPERTY"
+>default_value</SPAN
+></A
+> -- Provide a default value for this option using a CDL expression.</DT
+><DT
+><A
+HREF="ref.define.html"
+><SPAN
+CLASS="PROPERTY"
+>define</SPAN
+></A
+> -- Specify additional <TT
+CLASS="LITERAL"
+>#define</TT
+> symbols that
+should go into the owning package's configuration header file.</DT
+><DT
+><A
+HREF="ref.define-format.html"
+><SPAN
+CLASS="PROPERTY"
+>define_format</SPAN
+></A
+> -- Control how an option's value will appear in the
+configuration header file.</DT
+><DT
+><A
+HREF="ref.define-header.html"
+><SPAN
+CLASS="PROPERTY"
+>define_header</SPAN
+></A
+> -- Specify the configuration header file that
+will be generated for a given package.</DT
+><DT
+><A
+HREF="ref.define-proc.html"
+><SPAN
+CLASS="PROPERTY"
+>define_proc</SPAN
+></A
+> -- Use a fragment of Tcl code to output additional data to
+configuration header files.</DT
+><DT
+><A
+HREF="ref.description.html"
+><SPAN
+CLASS="PROPERTY"
+>description</SPAN
+></A
+> -- Provide a textual description for an option.</DT
+><DT
+><A
+HREF="ref.display.html"
+><SPAN
+CLASS="PROPERTY"
+>display</SPAN
+></A
+> -- Provide a short string describing this option.</DT
+><DT
+><A
+HREF="ref.doc.html"
+><SPAN
+CLASS="PROPERTY"
+>doc</SPAN
+></A
+> -- The location of online-documentation for a configuration option.</DT
+><DT
+><A
+HREF="ref.flavor.html"
+><SPAN
+CLASS="PROPERTY"
+>flavor</SPAN
+></A
+> -- Specify the nature of a configuration option.</DT
+><DT
+><A
+HREF="ref.hardware.html"
+><SPAN
+CLASS="PROPERTY"
+>hardware</SPAN
+></A
+> -- Specify that a package is tied to specific hardware.</DT
+><DT
+><A
+HREF="ref.if-define.html"
+><SPAN
+CLASS="PROPERTY"
+>if_define</SPAN
+></A
+> -- Output a common preprocessor construct to a configuration
+header file.</DT
+><DT
+><A
+HREF="ref.implements.html"
+><SPAN
+CLASS="PROPERTY"
+>implements</SPAN
+></A
+> -- Enabling this option provides one instance of a more
+general interface.</DT
+><DT
+><A
+HREF="ref.include-dir.html"
+><SPAN
+CLASS="PROPERTY"
+>include_dir</SPAN
+></A
+> -- Specify the desired location of a package's exported
+header files in the install tree.</DT
+><DT
+><A
+HREF="ref.include-files.html"
+><SPAN
+CLASS="PROPERTY"
+>include_files</SPAN
+></A
+> -- List the header files that are exported by a package.</DT
+><DT
+><A
+HREF="ref.legal-values.html"
+><SPAN
+CLASS="PROPERTY"
+>legal_values</SPAN
+></A
+> -- Impose constraints on the possible values for an option.</DT
+><DT
+><A
+HREF="ref.library.html"
+><SPAN
+CLASS="PROPERTY"
+>library</SPAN
+></A
+> -- Specify which library should contain the object files
+generated by building this package.</DT
+><DT
+><A
+HREF="ref.make.html"
+><SPAN
+CLASS="PROPERTY"
+>make</SPAN
+></A
+> -- Define an additional custom build step associated with an
+option, resulting in a target that should not go directly into a library.</DT
+><DT
+><A
+HREF="ref.make-object.html"
+><SPAN
+CLASS="PROPERTY"
+>make_object</SPAN
+></A
+> -- Define a custom build step, resulting in an object file
+that should go into a library.</DT
+><DT
+><A
+HREF="ref.no-define.html"
+><SPAN
+CLASS="PROPERTY"
+>no_define</SPAN
+></A
+> -- Suppress the normal generation of a preprocessor
+<TT
+CLASS="LITERAL"
+>#define</TT
+> symbol in a configuration header file.</DT
+><DT
+><A
+HREF="ref.parent.html"
+><SPAN
+CLASS="PROPERTY"
+>parent</SPAN
+></A
+> -- Control the location of an option in the configuration hierarchy.</DT
+><DT
+><A
+HREF="ref.requires.html"
+><SPAN
+CLASS="PROPERTY"
+>requires</SPAN
+></A
+> -- List constraints that the configuration should satisfy if
+a given option is active and enabled..</DT
+><DT
+><A
+HREF="ref.script.html"
+><SPAN
+CLASS="PROPERTY"
+>script</SPAN
+></A
+> -- Include additional configuration information from another
+CDL script.</DT
+></DL
+></DIV
+><P
+>This chapter contains reference information for the main <SPAN
+CLASS="APPLICATION"
+>CDL</SPAN
+>
+commands <TT
+CLASS="LITERAL"
+>cdl_option</TT
+>, <TT
+CLASS="LITERAL"
+>cdl_component</TT
+>, <TT
+CLASS="LITERAL"
+>cdl_package</TT
+> and
+<TT
+CLASS="LITERAL"
+>cdl_interface</TT
+>, followed by the various properties such as
+<SPAN
+CLASS="PROPERTY"
+>active_if</SPAN
+> and <SPAN
+CLASS="PROPERTY"
+>compile</SPAN
+> in alphabetical order.</P
+></DIV
+><DIV
+CLASS="NAVFOOTER"
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+ALIGN="LEFT"
+WIDTH="100%"><TABLE
+SUMMARY="Footer navigation table"
+WIDTH="100%"
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+WIDTH="33%"
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+VALIGN="top"
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+HREF="build.tests.html"
+ACCESSKEY="P"
+>Prev</A
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+WIDTH="34%"
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+VALIGN="top"
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+ACCESSKEY="H"
+>Home</A
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+>Next</A
+></TD
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+><TR
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+>Building Test Cases</TD
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+ALIGN="center"
+VALIGN="top"
+> </TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+><TT
+CLASS="LITERAL"
+>cdl_option</TT
+></TD
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+></HTML
+>
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