Richard Purdie 643c26562f insane: Promote warnings into errors
There are several warnings the build can emit which show real problems
in the way recipes are being built. Some distros like poky and the Yocto
Project autobuilder have been fixing the issues these show for some time.

OE-Core has therefore been clean of these errors and warnings for some time.
Promote warnings into errors to match the defaults in poky to encourage
people to fix these real issue and reduce confusion when people switch
distros or customise.

(From OE-Core rev: a6a3a4a3739df3ab867fbe7e5a8cb5cac5ee124a)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-05-07 12:16:00 +01:00
2020-05-07 12:16:00 +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.
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