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bitbake: bitbake-user-manual: Updated Hello World tutorial

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Fixes [YOCTO #12016]

(Bitbake rev: bc5b2e7e7fab53ee9ee0db762de822bb88062419)

Signed-off-by: Kristi Rifenbark <kristi.rifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Kristi Rifenbark
2017-09-25 15:58:45 -07:00
committed by Richard Purdie
parent 1613e00f52
commit 7a2e6534b0
1 changed files with 21 additions and 3 deletions
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24
bitbake/doc/bitbake-user-manual/bitbake-user-manual-hello.xml
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@@ -273,12 +273,30 @@
some editor to create the <filename>bitbake.conf</filename>
so that it contains the following:
<literallayout class='monospaced'>
<link linkend='var-PN'>PN</link> = "${@bb.parse.BBHandler.vars_from_file(d.getVar('FILE', False),d)[0] or 'defaultpkgname'}"
</literallayout>
<literallayout class='monospaced'>
TMPDIR = "${<link linkend='var-TOPDIR'>TOPDIR</link>}/tmp"
<link linkend='var-CACHE'>CACHE</link> = "${TMPDIR}/cache"
<link linkend='var-STAMP'>STAMP</link> = "${TMPDIR}/stamps"
<link linkend='var-T'>T</link> = "${TMPDIR}/work"
<link linkend='var-B'>B</link> = "${TMPDIR}"
<link linkend='var-STAMP'>STAMP</link> = "${TMPDIR}/${PN}/stamps"
<link linkend='var-T'>T</link> = "${TMPDIR}/${PN}/work"
<link linkend='var-B'>B</link> = "${TMPDIR}/${PN}"
</literallayout>
<note>
Without a value for <filename>PN</filename>, the
variables <filename>STAMP</filename>,
<filename>T</filename>, and <filename>B</filename>,
prevent more than one recipe from working. You can fix
this by either setting <filename>PN</filename> to have
a value similar to what OpenEmbedded and BitBake use
in the default <filename>bitbake.conf</filename> file
(see previous example). Or, by manually updating each
recipe to set <filename>PN</filename>. You will also
need to include <filename>PN</filename> as part of the
<filename>STAMP</filename>, <filename>T</filename>, and
<filename>B</filename> variable definitions in the
<filename>local.conf</filename> file.
</note>
The <filename>TMPDIR</filename> variable establishes a directory
that BitBake uses for build output and intermediate files (other
than the cached information used by the