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Max Kellermann 652e3ccd53 kernel-yocto.bbclass: fix "referenced before assignment" error
If "scc --configs" fails, do_kernel_configcheck() crashes like this:

      0338:    try:
      0339:        configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], env=env).decode('utf-8')
      0340:    except subprocess.CalledProcessError:
  *** 0341:        bb.fatal( "Cannot gather config fragments for audit: %s" % configs)
      0342:
      0343:    try:
      0344:        subprocess.check_call(['kconf_check', '--report', '-o',
      0345:                '%s/%s/cfg' % (s, kmeta), d.getVar('B') + '/.config', s, configs], cwd=s, env=env)
 Exception: UnboundLocalError: local variable 'configs' referenced before assignment

This crash bug was introduced by commit
21de5cc43cfedc703e5bc0515507a6dae36afb74

(From OE-Core rev: 9602c03e8701c972f544001415efa92877622f57)

Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2018-09-27 23:41:41 +01:00
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.
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