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Tomasz Dziendzielski 5e2450731c lib/oe/patch.py: Don't return command stderr from runcmd function
If a function returns any stderr it will be passed to extractPatches and
used as path to patch.

For example subprocess command output can be:
| sh: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
| /tmp/oepatchhuqle8fj/0001-foo.patch
| /tmp/oepatchhuqle8fj/0002-bar.patch

that will result in:
| FileNotFoundError: [Errno 2] No such file or directory: 'sh:'

To fix this I separated output, made the function return stdout and
print stderr only in case of command error.

(From OE-Core rev: 482589e2cc7c3ddeefb0a0fb98d97a9cbb18c9ec)

Signed-off-by: Tomasz Dziendzielski <tomasz.dziendzielski@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-01-30 10:41:04 +00:00
2021-01-16 22:39:36 +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.
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