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Document ALWAYS_KEEP_DISTFILES which was added to comply with the GPLs

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distribution clause when using binary distfiles, which requires
that the source code for the binary distfiles is provided as well.

Reviewed by:	simon
This commit is contained in:
Erwin Lansing 2006-01-17 18:55:31 +00:00
parent e784483a0b
commit 3e3869af11
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=26864
1 changed files with 23 additions and 0 deletions
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en_US.ISO8859-1/books/porters-handbook/book.sgml
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@ -2997,6 +2997,29 @@ PATCHFILES= patch1:test</programlisting>
define in your <filename>Makefile</filename>.</para>
</note>
</sect2>
<sect2>
<title><makevar>ALWAYS_KEEP_DISTFILES</makevar></title>
<para>If your port uses binary distfiles and has a license that
requires that the source code is provided with packages distributed
in binary form, e.g. GPL, <makevar>ALWAYS_KEEP_DISTFILES</makevar>
will instruct the &os; build cluster to keep a copy of the files
specified in <makevar>DISTFILES</makevar>. Users of these ports
will generally not need these files, so it is a good idea to only
add the source distfiles to <makevar>DISTFILES</makevar> when
<makevar>PACKAGE_BUILDING</makevar> is defined.
</para>
<example
id="ports-master-sites-n-example-always-keep-distfiles">
<title>Use of <makevar>ALWAYS_KEEP_DISTFILES</makevar>.</title>
<programlisting>.if defined(PACKAGE_BUILDING)
DISTFILES+= <replaceable>foo.tar.gz</replaceable>
ALWAYS_KEEP_DISTFILES= yes
.endif</programlisting>
</example>
</sect2>
</sect1>
<sect1 id="makefile-maintainer">