André Draszik 077c3bbf2f oeqa/runtime/df: don't fail on long device names
When device names are long (more than 20 characters), the
df test will fail with an exception:
    self.assertTrue(int(output)>5120, msg=msg)
    ValueError: invalid literal for int() with base 10: ''
at least when busybox is in use.

The reason is that busybox breaks the line in that case:
    Filesystem           1K-blocks      Used Available Use% Mounted on
    /dev/disk/by-partuuid/8e991e5a-cebd-4f88-9494-c9db4f30cb02
                           1998672     87024   1790408   5% /
and the code tries to extract the fourth field from the
second line, which is empty of course.

df can be told not to break lines, though, using the -P
flag, which turns on the POSIX output format, and is
supported by busybox df and coreutils df:
    Filesystem           1024-blocks    Used Available Capacity Mounted on
    /dev/disk/by-partuuid/8e991e5a-cebd-4f88-9494-c9db4f30cb02   1998672     87024   1790408   5% /

(From OE-Core rev: 8c23c1476d0c64b9bc8806db03414fa914c1e658)

Signed-off-by: André Draszik <git@andred.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-10-19 23:18:33 +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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Readme 251 MiB