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Richard Purdie 72ab2866e1 sstate.bbclass: Add a string representing the lsb release to native/cross sstate

This patch adds the lsb name and revision to the path used for sstate files.
This means that reuse of sstate files between different distributions is restricted
by default. The behaviour can be configured using mirror urls, for example:

SSTATE_MIRRORS = "file://Ubuntu-11.10/(.*) file://Ubuntu/\1 \n"

would map Ubuntu 11.10 to a more generic "Ubuntu" named sstate feed.

Usually, more modern distros have increased libc versions for example
so whilst more older native/cross sstate packages will usually work on newer
distros, the opposite is not true. This patch allows development of policy
to better handle this although no default policy is currently being used.

(From OE-Core rev: 9360fc318cec5c873b17f59b817dd6312c81ee27)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2012-07-28 09:20:53 +01:00

bitbake

bitbake: fetch/local: Allow preservation of path components in relative file:// urls

2012-07-26 14:55:22 +01:00

documentation

documentation/dev-manual/dev-manual-intro.xml: typo fixed.

2012-07-26 18:53:04 +01:00

README

Poky

Poky is an integration of various components to form a complete prepackaged build system and development environment. It features support for building customised embedded device style images. There are reference demo images featuring a X11/Matchbox/GTK themed UI called Sato. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK with IDE integration.

Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of layers which extend the systems capabilities in a modular way.

As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation and various sources of information e.g. for the hardware support. Poky is in turn a component of the Yocto Project.

The Yocto Project has extensive documentation about the system including a reference manual which can be found at: http://yoctoproject.org/documentation

OpenEmbedded-Core is a layer containing the core metadata for current versions of OpenEmbedded. It is distro-less (can build a functional image with DISTRO = "") and contains only emulated machine support.

For information about OpenEmbedded, see the OpenEmbedded website: http://www.openembedded.org/