sysmo-bts
/
generic-poky
9
0
Fork 0
Code Pull Requests Releases Activity

bitbake: correct typo in ??= documentation 

??= is a lazy version of ?=

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Darren Hart 2011-04-12 17:11:52 -07:00 committed by Richard Purdie
parent 9fb4c745c3
commit 2ee0be82d0
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
bitbake/doc/manual/usermanual.xml
View File

@ -97,7 +97,7 @@ share common metadata between many packages.</para></listitem>
<title>Setting a default value (??=)</title>
<para><screen><varname>A</varname> ??= "somevalue"</screen></para>
<para><screen><varname>A</varname> ??= "someothervalue"</screen></para>
<para>If <varname>A</varname> is set before the above, it will retain that value. If <varname>A</varname> is unset prior to the above, <varname>A</varname> will be set to <literal>someothervalue</literal>. This is a lazy version of ??=, in that the assignment does not occur until the end of the parsing process, so that the last, rather than the first, ??= assignment to a given variable will be used.</para>
<para>If <varname>A</varname> is set before the above, it will retain that value. If <varname>A</varname> is unset prior to the above, <varname>A</varname> will be set to <literal>someothervalue</literal>. This is a lazy version of ?=, in that the assignment does not occur until the end of the parsing process, so that the last, rather than the first, ??= assignment to a given variable will be used.</para>
</section>
<section>
<title>Immediate variable expansion (:=)</title>