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A 500 KB source file is always harder to manage, and can have section title conflicts. So, the "Common Tasks" document is gone and all its constituents are moved up one level. You now have 40 chapters in the Development Tasks Manual. (From yocto-docs rev: 8a45bc469411410020b8e688c137395fcaf3761b) Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
68 lines
2.2 KiB
ReStructuredText
68 lines
2.2 KiB
ReStructuredText
.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
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Using an External SCM
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*********************
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If you're working on a recipe that pulls from an external Source Code
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Manager (SCM), it is possible to have the OpenEmbedded build system
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notice new recipe changes added to the SCM and then build the resulting
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packages that depend on the new recipes by using the latest versions.
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This only works for SCMs from which it is possible to get a sensible
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revision number for changes. Currently, you can do this with Apache
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Subversion (SVN), Git, and Bazaar (BZR) repositories.
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To enable this behavior, the :term:`PV` of
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the recipe needs to reference
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:term:`SRCPV`. Here is an example::
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PV = "1.2.3+git${SRCPV}"
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Then, you can add the following to your
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``local.conf``::
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SRCREV:pn-PN = "${AUTOREV}"
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:term:`PN` is the name of the recipe for
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which you want to enable automatic source revision updating.
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If you do not want to update your local configuration file, you can add
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the following directly to the recipe to finish enabling the feature::
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SRCREV = "${AUTOREV}"
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The Yocto Project provides a distribution named ``poky-bleeding``, whose
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configuration file contains the line::
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require conf/distro/include/poky-floating-revisions.inc
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This line pulls in the
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listed include file that contains numerous lines of exactly that form::
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#SRCREV:pn-opkg-native ?= "${AUTOREV}"
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#SRCREV:pn-opkg-sdk ?= "${AUTOREV}"
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#SRCREV:pn-opkg ?= "${AUTOREV}"
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#SRCREV:pn-opkg-utils-native ?= "${AUTOREV}"
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#SRCREV:pn-opkg-utils ?= "${AUTOREV}"
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SRCREV:pn-gconf-dbus ?= "${AUTOREV}"
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SRCREV:pn-matchbox-common ?= "${AUTOREV}"
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SRCREV:pn-matchbox-config-gtk ?= "${AUTOREV}"
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SRCREV:pn-matchbox-desktop ?= "${AUTOREV}"
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SRCREV:pn-matchbox-keyboard ?= "${AUTOREV}"
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SRCREV:pn-matchbox-panel-2 ?= "${AUTOREV}"
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SRCREV:pn-matchbox-themes-extra ?= "${AUTOREV}"
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SRCREV:pn-matchbox-terminal ?= "${AUTOREV}"
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SRCREV:pn-matchbox-wm ?= "${AUTOREV}"
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SRCREV:pn-settings-daemon ?= "${AUTOREV}"
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SRCREV:pn-screenshot ?= "${AUTOREV}"
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. . .
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These lines allow you to
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experiment with building a distribution that tracks the latest
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development source for numerous packages.
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.. note::
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The ``poky-bleeding`` distribution is not tested on a regular basis. Keep
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this in mind if you use it.
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