Richard Purdie 6bb9ac9c65 sstate: Add sstate usage summary to the build
Currently the user has no indication of how much sstate was already present
or that would be used by the build. This change adds some summary information
so that the user can see how much reuse is occurring. To fully work it
needs some extra information from a recent bitbake commit but this is
optional.

When combined with bitbake --dry-run this feature can be used to check
if sstate would be reused in a build.

[YOCTO #12749]

(From OE-Core rev: 596f76029ccb6f87c3b049552bd08f5034c41d9c)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2018-08-08 10:52:00 +01:00
2014-01-02 12:58:54 +00:00
2018-02-24 10:31:45 +00:00

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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