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<concept id="GUID-E6CB4891-AFC8-50BB-A2C8-057DB1269DA9" xml:lang="en"><title>Meta

files</title><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>A meta file is a simple text file associated with each template extension

makefile, it contains additional information about the extension such as makefile

type, platform and so on. </p>

<p>Following is the syntax for meta file: </p>

<p> <codeph>makefile</codeph>  <varname>gnumake | nmake</varname>  </p>

<p>[<codeph>platform</codeph>  <varname>value</varname>] </p>

<p>[<codeph>option</codeph>  <varname>option-name_1</varname> <varname>option-value_1</varname>] </p>

<p>... </p>

<p>[<codeph>option</codeph>  <varname>option-name_n</varname> <varname>option-value_n</varname>] </p>

<p>The <codeph>makefile</codeph>  <varname>gnumake | nmake</varname> is compulsory

for all the meta files. It specifies whether the makefile is of type <codeph>gnumake</codeph> or <codeph>nmake</codeph>. </p>

<p>The optional <codeph>platform</codeph>  <varname>value</varname> specifies

the platforms for which the associated template extension makefile can be

applied. If not specified, the makefile is invoked for all the platforms.

For example, the <codeph>platform</codeph> could be <varname>winscw</varname> and/or <varname>ARMv5</varname>. </p>

<p>The optional <codeph>option</codeph>  <varname>option-name</varname> <varname>option-value</varname> sets

a default value for an option, which can be changed within <codeph>START EXTENSION</codeph>...<codeph>END</codeph> block

in the <filepath>bld.inf</filepath> file. For more information, refer to <xref href="GUID-2910AB26-CA7C-50B9-A187-0C8406C1ED1F.dita">prj_extensions</xref>. </p>

<example><p>This example will set values to <codeph>platform</codeph> and <codeph>makefile</codeph> variables. </p><codeblock id="GUID-EAEA364D-75F8-5BF0-8E66-A8C3530758E6" xml:space="preserve">#copy_default.meta

#

makefile     gnumake

platform    win32</codeblock></example>

</conbody><related-links>

<link href="GUID-201E6D4C-5F0F-5AA2-BC79-91E3C62C8971.dita"><linktext>How to write

a meta file</linktext></link>

</related-links></concept>