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><H1
><A
NAME="REF.CDL-PACKAGE"><TT
CLASS="LITERAL"
>cdl_package</TT
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN3272"
></A
><H2
>Name</H2
>Command <TT
CLASS="LITERAL"
>cdl_package</TT
>&nbsp;--&nbsp;Define a package, a component that can be distributed</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN3276"><H2
>Synopsis</H2
><TABLE
BORDER="5"
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><TD
><PRE
CLASS="SYNOPSIS"
>cdl_package &lt;name&gt; {
    &#8230;
}</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3278"
></A
><H2
>Description</H2
><P
>A package is a unit of distribution. It is also a configuration option
in that users can choose whether or not a particular package is loaded
into the configuration, and which version of that package should be
loaded. It is also a component in that it can contain additional
components and options in a hierarchy.</P
><P
>The top-level <SPAN
CLASS="APPLICATION"
>CDL</SPAN
> script for a package should begin with a <TT
CLASS="LITERAL"
>cdl_package</TT
>
command. This can contain most of the properties that can be used in a
<TT
CLASS="LITERAL"
>cdl_option</TT
> command, and a number of additional ones which apply to a
package as a whole. It is also possible to include <TT
CLASS="LITERAL"
>cdl_component</TT
>,
<TT
CLASS="LITERAL"
>cdl_interface</TT
> and <TT
CLASS="LITERAL"
>cdl_option</TT
> commands in the body of a package.
However all configuration entities that occur at the top level of the
script containing the <TT
CLASS="LITERAL"
>cdl_package</TT
> command are automatically placed
below that package in the configuration hierarchy, so putting them
inside the body has no effect.</P
><P
>The following properties cannot be used in the body of a <TT
CLASS="LITERAL"
>cdl_package</TT
>
command:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><SPAN
CLASS="PROPERTY"
>flavor</SPAN
></DT
><DD
><P
>Packages always have the flavor <TT
CLASS="LITERAL"
>booldata</TT
>.</P
></DD
><DT
><SPAN
CLASS="PROPERTY"
>default_value</SPAN
></DT
><DD
><P
>The value of a package is its version number. This is specified at the
time the package is loaded into the configuration, and cannot be
calculated afterwards. Typically the most recent version of the
package will be loaded.</P
></DD
><DT
><SPAN
CLASS="PROPERTY"
>legal_values</SPAN
></DT
><DD
><P
>The legal values list for a given package is determined by which
versions of that package are installed in the component repository,
and cannot be further constrained in the CDL scripts.</P
></DD
><DT
><SPAN
CLASS="PROPERTY"
>calculated</SPAN
></DT
><DD
><P
>The value of a package is always selected at the time that it is
loaded into the configuration, and cannot be re-calculated afterwards.</P
></DD
><DT
><SPAN
CLASS="PROPERTY"
>script</SPAN
></DT
><DD
><P
>This would be redundant since the CDL script containing the
<TT
CLASS="LITERAL"
>cdl_package</TT
> command acts as that package's script.</P
></DD
></DL
></DIV
><P
><TT
CLASS="LITERAL"
>cdl_package</TT
> is implemented as a Tcl command that takes two
arguments, a name and a body. The name must be a valid C preprocessor
identifier: a sequence of upper or lower case letters, digits or
underscores, starting with a non-digit character; identifiers
beginning with an underscore should normally be avoided because they
may clash with system packages or with identifiers reserved for use by
the compiler. Packages should always have unique names within a given
component repository. For a recommended naming convention see <A
HREF="package.contents.html"
>the Section called <I
>Package Contents and Layout</I
> in Chapter 2</A
>.</P
><P
>The second argument to <TT
CLASS="LITERAL"
>cdl_package</TT
> is a body of properties and other
commands, typically surrounded by braces so that the Tcl interpreter
treats it as a single argument. This body will be processed by a
recursive invocation of the Tcl interpreter, extended with additional
commands for the various properties that are allowed inside a
<TT
CLASS="LITERAL"
>cdl_package</TT
>. The valid commands are:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><A
HREF="ref.active-if.html"
><SPAN
CLASS="PROPERTY"
>active_if</SPAN
></A
></DT
><DD
><P
>Allow additional control over the active state of this package.</P
></DD
><DT
><A
HREF="ref.cdl-component.html"
><TT
CLASS="LITERAL"
>cdl_component</TT
></A
></DT
><DD
><P
>Define a component which should appear immediately below this package
in the configuration hierarchy.</P
></DD
><DT
><A
HREF="ref.cdl-interface.html"
><TT
CLASS="LITERAL"
>cdl_interface</TT
></A
></DT
><DD
><P
>Define an interface which should appear immediately below this
package in the configuration hierarchy.</P
></DD
><DT
><A
HREF="ref.cdl-option.html"
><TT
CLASS="LITERAL"
>cdl_option</TT
></A
></DT
><DD
><P
>Define an option which should appear immediately below
this package in the configuration hierarchy.</P
></DD
><DT
><A
HREF="ref.compile.html"
><SPAN
CLASS="PROPERTY"
>compile</SPAN
></A
></DT
><DD
><P
>List the source files that should be built for this package.</P
></DD
><DT
><A
HREF="ref.define.html"
><SPAN
CLASS="PROPERTY"
>define</SPAN
></A
></DT
><DD
><P
>Specify additional <TT
CLASS="LITERAL"
>#define</TT
> symbols that should go
into the package's configuration header file.</P
></DD
><DT
><A
HREF="ref.define-format.html"
><SPAN
CLASS="PROPERTY"
>define_format</SPAN
></A
></DT
><DD
><P
>Control how the package's value will appear in the global
configuration header file <TT
CLASS="FILENAME"
>pkgconf/system.h</TT
></P
></DD
><DT
><A
HREF="ref.define-header.html"
><SPAN
CLASS="PROPERTY"
>define_header</SPAN
></A
></DT
><DD
><P
>Specify the configuration header file that will be generated for this package.</P
></DD
><DT
><A
HREF="ref.define-proc.html"
><SPAN
CLASS="PROPERTY"
>define_proc</SPAN
></A
></DT
><DD
><P
>Use a fragment of Tcl code to output additional data to
configuration header files.</P
></DD
><DT
><A
HREF="ref.description.html"
><SPAN
CLASS="PROPERTY"
>description</SPAN
></A
></DT
><DD
><P
>Provide a textual description for this component.</P
></DD
><DT
><A
HREF="ref.display.html"
><SPAN
CLASS="PROPERTY"
>display</SPAN
></A
></DT
><DD
><P
>Provide a short string describing this component.</P
></DD
><DT
><A
HREF="ref.doc.html"
><SPAN
CLASS="PROPERTY"
>doc</SPAN
></A
></DT
><DD
><P
>The location of on-line documentation for this component.</P
></DD
><DT
><A
HREF="ref.hardware.html"
><SPAN
CLASS="PROPERTY"
>hardware</SPAN
></A
></DT
><DD
><P
>This package is tied to specific hardware.</P
></DD
><DT
><A
HREF="ref.if-define.html"
><SPAN
CLASS="PROPERTY"
>if_define</SPAN
></A
></DT
><DD
><P
>Output a common preprocessor construct to a configuration header file. </P
></DD
><DT
><A
HREF="ref.implements.html"
><SPAN
CLASS="PROPERTY"
>implements</SPAN
></A
></DT
><DD
><P
>Enabling this component provides one instance of a more general
interface. </P
></DD
><DT
><A
HREF="ref.include-dir.html"
><SPAN
CLASS="PROPERTY"
>include_dir</SPAN
></A
></DT
><DD
><P
>Specify the desired location of this package's exported header files in
the install tree.</P
></DD
><DT
><A
HREF="ref.include-files.html"
><SPAN
CLASS="PROPERTY"
>include_files</SPAN
></A
></DT
><DD
><P
>List the header files that are exported by this package.</P
></DD
><DT
><A
HREF="ref.library.html"
><SPAN
CLASS="PROPERTY"
>library</SPAN
></A
></DT
><DD
><P
>Specify which library should contain the object files
generated by building this package.</P
></DD
><DT
><A
HREF="ref.make.html"
><SPAN
CLASS="PROPERTY"
>make</SPAN
></A
></DT
><DD
><P
>An additional custom build step associated with this component, resulting
in a target that should not go directly into a library.</P
></DD
><DT
><A
HREF="ref.make-object.html"
><SPAN
CLASS="PROPERTY"
>make_object</SPAN
></A
></DT
><DD
><P
>An additional custom build step associated with this component, resulting
in an object file that should go into a library.</P
></DD
><DT
><A
HREF="ref.no-define.html"
><SPAN
CLASS="PROPERTY"
>no_define</SPAN
></A
></DT
><DD
><P
>Suppress the normal generation of the package's
<TT
CLASS="LITERAL"
>#define</TT
> in the global configuration header file
<TT
CLASS="FILENAME"
>pkgconf/system.h</TT
>.</P
></DD
><DT
><A
HREF="ref.parent.html"
><SPAN
CLASS="PROPERTY"
>parent</SPAN
></A
></DT
><DD
><P
>Control the location of this package in the configuration hierarchy. </P
></DD
><DT
><A
HREF="ref.requires.html"
><SPAN
CLASS="PROPERTY"
>requires</SPAN
></A
></DT
><DD
><P
>List constraints that the configuration should satisfy if this package is
active.</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3468"
></A
><H2
>Example</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>cdl_package CYGPKG_INFRA {
    display       "Infrastructure"
    include_dir   cyg/infra
    description   "
        Common types and useful macros.
        Tracing and assertion facilities.
        Package startup options."
 
    compile startup.cxx prestart.cxx pkgstart.cxx userstart.cxx      \
            dummyxxmain.cxx null.cxx simple.cxx fancy.cxx buffer.cxx \
            diag.cxx tcdiag.cxx memcpy.c memset.c delete.cxx
}&#13;</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3471"
></A
><H2
>See Also</H2
><P
>Command <A
HREF="ref.cdl-option.html"
><TT
CLASS="LITERAL"
>cdl_option</TT
></A
>,
command <A
HREF="ref.cdl-component.html"
><TT
CLASS="LITERAL"
>cdl_component</TT
></A
>,
command <A
HREF="ref.cdl-interface.html"
><TT
CLASS="LITERAL"
>cdl_interface</TT
></A
>.</P
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>

Line No.	Rev	Author	Line
1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
2			`<!-- This material may be distributed only subject to the terms -->`
3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
4			`<!-- or later (the latest version is presently available at -->`
5			`<!-- http://www.opencontent.org/openpub/). -->`
6			`<!-- Distribution of the work or derivative of the work in any -->`
7			`<!-- standard (paper) book form is prohibited unless prior -->`
8			`<!-- permission is obtained from the copyright holder. -->`
9			`<HTML`
10			`><HEAD`
11			`><TITLE`
12			`>cdl_package</TITLE`
13			`><meta name="MSSmartTagsPreventParsing" content="TRUE">`
14			`<META`
15			`NAME="GENERATOR"`
16			`CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+`
17			`"><LINK`
18			`REL="HOME"`
19			`TITLE="The eCos Component Writer's Guide"`
20			`HREF="cdl-guide.html"><LINK`
21			`REL="UP"`
22			`TITLE="CDL Language Specification"`
23			`HREF="reference.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="cdl_component"`
26			`HREF="ref.cdl-component.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="cdl_interface"`
29			`HREF="ref.cdl-interface.html"></HEAD`
30			`><BODY`
31			`CLASS="REFENTRY"`
32			`BGCOLOR="#FFFFFF"`
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44			`CELLSPACING="0"`
45			`><TR`
46			`><TH`
47			`COLSPAN="3"`
48			`ALIGN="center"`
49			`>The <SPAN`
50			`CLASS="APPLICATION"`
51			`>eCos</SPAN`
52			`> Component Writer's Guide</TH`
53			`></TR`
54			`><TR`
55			`><TD`
56			`WIDTH="10%"`
57			`ALIGN="left"`
58			`VALIGN="bottom"`
59			`><A`
60			`HREF="ref.cdl-component.html"`
61			`ACCESSKEY="P"`
62			`>Prev</A`
63			`></TD`
64			`><TD`
65			`WIDTH="80%"`
66			`ALIGN="center"`
67			`VALIGN="bottom"`
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69			`><TD`
70			`WIDTH="10%"`
71			`ALIGN="right"`
72			`VALIGN="bottom"`
73			`><A`
74			`HREF="ref.cdl-interface.html"`
75			`ACCESSKEY="N"`
76			`>Next</A`
77			`></TD`
78			`></TR`
79			`></TABLE`
80			`><HR`
81			`ALIGN="LEFT"`
82			`WIDTH="100%"></DIV`
83			`><H1`
84			`><A`
85			`NAME="REF.CDL-PACKAGE"><TT`
86			`CLASS="LITERAL"`
87			`>cdl_package</TT`
88			`></H1`
89			`><DIV`
90			`CLASS="REFNAMEDIV"`
91			`><A`
92			`NAME="AEN3272"`
93			`></A`
94			`><H2`
95			`>Name</H2`
96			`>Command <TT`
97			`CLASS="LITERAL"`
98			`>cdl_package</TT`
99			`> -- Define a package, a component that can be distributed</DIV`
100			`><DIV`
101			`CLASS="REFSYNOPSISDIV"`
102			`><A`
103			`NAME="AEN3276"><H2`
104			`>Synopsis</H2`
105			`><TABLE`
106			`BORDER="5"`
107			`BGCOLOR="#E0E0F0"`
108			`WIDTH="70%"`
109			`><TR`
110			`><TD`
111			`><PRE`
112			`CLASS="SYNOPSIS"`
113			`>cdl_package <name> {`
114			`…`
115			`}</PRE`
116			`></TD`
117			`></TR`
118			`></TABLE`
119			`></DIV`
120			`><DIV`
121			`CLASS="REFSECT1"`
122			`><A`
123			`NAME="AEN3278"`
124			`></A`
125			`><H2`
126			`>Description</H2`
127			`><P`
128			`>A package is a unit of distribution. It is also a configuration option`
129			`in that users can choose whether or not a particular package is loaded`
130			`into the configuration, and which version of that package should be`
131			`loaded. It is also a component in that it can contain additional`
132			`components and options in a hierarchy.</P`
133			`><P`
134			`>The top-level <SPAN`
135			`CLASS="APPLICATION"`
136			`>CDL</SPAN`
137			`> script for a package should begin with a <TT`
138			`CLASS="LITERAL"`
139			`>cdl_package</TT`
140			`>`
141			`command. This can contain most of the properties that can be used in a`
142			`<TT`
143			`CLASS="LITERAL"`
144			`>cdl_option</TT`
145			`> command, and a number of additional ones which apply to a`
146			`package as a whole. It is also possible to include <TT`
147			`CLASS="LITERAL"`
148			`>cdl_component</TT`
149			`>,`
150			`<TT`
151			`CLASS="LITERAL"`
152			`>cdl_interface</TT`
153			`> and <TT`
154			`CLASS="LITERAL"`
155			`>cdl_option</TT`
156			`> commands in the body of a package.`
157			`However all configuration entities that occur at the top level of the`
158			`script containing the <TT`
159			`CLASS="LITERAL"`
160			`>cdl_package</TT`
161			`> command are automatically placed`
162			`below that package in the configuration hierarchy, so putting them`
163			`inside the body has no effect.</P`
164			`><P`
165			`>The following properties cannot be used in the body of a <TT`
166			`CLASS="LITERAL"`
167			`>cdl_package</TT`
168			`>`
169			`command:</P`
170			`><P`
171			`></P`
172			`><DIV`
173			`CLASS="VARIABLELIST"`
174			`><DL`
175			`><DT`
176			`><SPAN`
177			`CLASS="PROPERTY"`
178			`>flavor</SPAN`
179			`></DT`
180			`><DD`
181			`><P`
182			`>Packages always have the flavor <TT`
183			`CLASS="LITERAL"`
184			`>booldata</TT`
185			`>.</P`
186			`></DD`
187			`><DT`
188			`><SPAN`
189			`CLASS="PROPERTY"`
190			`>default_value</SPAN`
191			`></DT`
192			`><DD`
193			`><P`
194			`>The value of a package is its version number. This is specified at the`
195			`time the package is loaded into the configuration, and cannot be`
196			`calculated afterwards. Typically the most recent version of the`
197			`package will be loaded.</P`
198			`></DD`
199			`><DT`
200			`><SPAN`
201			`CLASS="PROPERTY"`
202			`>legal_values</SPAN`
203			`></DT`
204			`><DD`
205			`><P`
206			`>The legal values list for a given package is determined by which`
207			`versions of that package are installed in the component repository,`
208			`and cannot be further constrained in the CDL scripts.</P`
209			`></DD`
210			`><DT`
211			`><SPAN`
212			`CLASS="PROPERTY"`
213			`>calculated</SPAN`
214			`></DT`
215			`><DD`
216			`><P`
217			`>The value of a package is always selected at the time that it is`
218			`loaded into the configuration, and cannot be re-calculated afterwards.</P`
219			`></DD`
220			`><DT`
221			`><SPAN`
222			`CLASS="PROPERTY"`
223			`>script</SPAN`
224			`></DT`
225			`><DD`
226			`><P`
227			`>This would be redundant since the CDL script containing the`
228			`<TT`
229			`CLASS="LITERAL"`
230			`>cdl_package</TT`
231			`> command acts as that package's script.</P`
232			`></DD`
233			`></DL`
234			`></DIV`
235			`><P`
236			`><TT`
237			`CLASS="LITERAL"`
238			`>cdl_package</TT`
239			`> is implemented as a Tcl command that takes two`
240			`arguments, a name and a body. The name must be a valid C preprocessor`
241			`identifier: a sequence of upper or lower case letters, digits or`
242			`underscores, starting with a non-digit character; identifiers`
243			`beginning with an underscore should normally be avoided because they`
244			`may clash with system packages or with identifiers reserved for use by`
245			`the compiler. Packages should always have unique names within a given`
246			`component repository. For a recommended naming convention see <A`
247			`HREF="package.contents.html"`
248			`>the Section called <I`
249			`>Package Contents and Layout</I`
250			`> in Chapter 2</A`
251			`>.</P`
252			`><P`
253			`>The second argument to <TT`
254			`CLASS="LITERAL"`
255			`>cdl_package</TT`
256			`> is a body of properties and other`
257			`commands, typically surrounded by braces so that the Tcl interpreter`
258			`treats it as a single argument. This body will be processed by a`
259			`recursive invocation of the Tcl interpreter, extended with additional`
260			`commands for the various properties that are allowed inside a`
261			`<TT`
262			`CLASS="LITERAL"`
263			`>cdl_package</TT`
264			`>. The valid commands are:</P`
265			`><P`
266			`></P`
267			`><DIV`
268			`CLASS="VARIABLELIST"`
269			`><DL`
270			`><DT`
271			`><A`
272			`HREF="ref.active-if.html"`
273			`><SPAN`
274			`CLASS="PROPERTY"`
275			`>active_if</SPAN`
276			`></A`
277			`></DT`
278			`><DD`
279			`><P`
280			`>Allow additional control over the active state of this package.</P`
281			`></DD`
282			`><DT`
283			`><A`
284			`HREF="ref.cdl-component.html"`
285			`><TT`
286			`CLASS="LITERAL"`
287			`>cdl_component</TT`
288			`></A`
289			`></DT`
290			`><DD`
291			`><P`
292			`>Define a component which should appear immediately below this package`
293			`in the configuration hierarchy.</P`
294			`></DD`
295			`><DT`
296			`><A`
297			`HREF="ref.cdl-interface.html"`
298			`><TT`
299			`CLASS="LITERAL"`
300			`>cdl_interface</TT`
301			`></A`
302			`></DT`
303			`><DD`
304			`><P`
305			`>Define an interface which should appear immediately below this`
306			`package in the configuration hierarchy.</P`
307			`></DD`
308			`><DT`
309			`><A`
310			`HREF="ref.cdl-option.html"`
311			`><TT`
312			`CLASS="LITERAL"`
313			`>cdl_option</TT`
314			`></A`
315			`></DT`
316			`><DD`
317			`><P`
318			`>Define an option which should appear immediately below`
319			`this package in the configuration hierarchy.</P`
320			`></DD`
321			`><DT`
322			`><A`
323			`HREF="ref.compile.html"`
324			`><SPAN`
325			`CLASS="PROPERTY"`
326			`>compile</SPAN`
327			`></A`
328			`></DT`
329			`><DD`
330			`><P`
331			`>List the source files that should be built for this package.</P`
332			`></DD`
333			`><DT`
334			`><A`
335			`HREF="ref.define.html"`
336			`><SPAN`
337			`CLASS="PROPERTY"`
338			`>define</SPAN`
339			`></A`
340			`></DT`
341			`><DD`
342			`><P`
343			`>Specify additional <TT`
344			`CLASS="LITERAL"`
345			`>#define</TT`
346			`> symbols that should go`
347			`into the package's configuration header file.</P`
348			`></DD`
349			`><DT`
350			`><A`
351			`HREF="ref.define-format.html"`
352			`><SPAN`
353			`CLASS="PROPERTY"`
354			`>define_format</SPAN`
355			`></A`
356			`></DT`
357			`><DD`
358			`><P`
359			`>Control how the package's value will appear in the global`
360			`configuration header file <TT`
361			`CLASS="FILENAME"`
362			`>pkgconf/system.h</TT`
363			`></P`
364			`></DD`
365			`><DT`
366			`><A`
367			`HREF="ref.define-header.html"`
368			`><SPAN`
369			`CLASS="PROPERTY"`
370			`>define_header</SPAN`
371			`></A`
372			`></DT`
373			`><DD`
374			`><P`
375			`>Specify the configuration header file that will be generated for this package.</P`
376			`></DD`
377			`><DT`
378			`><A`
379			`HREF="ref.define-proc.html"`
380			`><SPAN`
381			`CLASS="PROPERTY"`
382			`>define_proc</SPAN`
383			`></A`
384			`></DT`
385			`><DD`
386			`><P`
387			`>Use a fragment of Tcl code to output additional data to`
388			`configuration header files.</P`
389			`></DD`
390			`><DT`
391			`><A`
392			`HREF="ref.description.html"`
393			`><SPAN`
394			`CLASS="PROPERTY"`
395			`>description</SPAN`
396			`></A`
397			`></DT`
398			`><DD`
399			`><P`
400			`>Provide a textual description for this component.</P`
401			`></DD`
402			`><DT`
403			`><A`
404			`HREF="ref.display.html"`
405			`><SPAN`
406			`CLASS="PROPERTY"`
407			`>display</SPAN`
408			`></A`
409			`></DT`
410			`><DD`
411			`><P`
412			`>Provide a short string describing this component.</P`
413			`></DD`
414			`><DT`
415			`><A`
416			`HREF="ref.doc.html"`
417			`><SPAN`
418			`CLASS="PROPERTY"`
419			`>doc</SPAN`
420			`></A`
421			`></DT`
422			`><DD`
423			`><P`
424			`>The location of on-line documentation for this component.</P`
425			`></DD`
426			`><DT`
427			`><A`
428			`HREF="ref.hardware.html"`
429			`><SPAN`
430			`CLASS="PROPERTY"`
431			`>hardware</SPAN`
432			`></A`
433			`></DT`
434			`><DD`
435			`><P`
436			`>This package is tied to specific hardware.</P`
437			`></DD`
438			`><DT`
439			`><A`
440			`HREF="ref.if-define.html"`
441			`><SPAN`
442			`CLASS="PROPERTY"`
443			`>if_define</SPAN`
444			`></A`
445			`></DT`
446			`><DD`
447			`><P`
448			`>Output a common preprocessor construct to a configuration header file. </P`
449			`></DD`
450			`><DT`
451			`><A`
452			`HREF="ref.implements.html"`
453			`><SPAN`
454			`CLASS="PROPERTY"`
455			`>implements</SPAN`
456			`></A`
457			`></DT`
458			`><DD`
459			`><P`
460			`>Enabling this component provides one instance of a more general`
461			`interface. </P`
462			`></DD`
463			`><DT`
464			`><A`
465			`HREF="ref.include-dir.html"`
466			`><SPAN`
467			`CLASS="PROPERTY"`
468			`>include_dir</SPAN`
469			`></A`
470			`></DT`
471			`><DD`
472			`><P`
473			`>Specify the desired location of this package's exported header files in`
474			`the install tree.</P`
475			`></DD`
476			`><DT`
477			`><A`
478			`HREF="ref.include-files.html"`
479			`><SPAN`
480			`CLASS="PROPERTY"`
481			`>include_files</SPAN`
482			`></A`
483			`></DT`
484			`><DD`
485			`><P`
486			`>List the header files that are exported by this package.</P`
487			`></DD`
488			`><DT`
489			`><A`
490			`HREF="ref.library.html"`
491			`><SPAN`
492			`CLASS="PROPERTY"`
493			`>library</SPAN`
494			`></A`
495			`></DT`
496			`><DD`
497			`><P`
498			`>Specify which library should contain the object files`
499			`generated by building this package.</P`
500			`></DD`

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