Joshua Watt f8163c22f4 bitbake: bitbake: cache: Use multiconfig aware caches
Splits the parsing cache to maintain one cache per multiconfig instead
of one global cache. This is necessary now that the files and appends
can vary for each multiconfig. A bb.cache.MulticonfigCache
dictionary-like proxy object is created instead of a single
bb.cache.Cache object. This object will create and properly initialize
bb.cache.Cache object for each multiconfig, and each of these caches has
a dedicated cache file with a name based on the multiconfig.

(Bitbake rev: 5272f2489586479880ae8d046dfcdbe0963ee5bb)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-06-10 12:30:01 +01:00
2020-06-09 13:14:01 +01:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
Description
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