Martin Jansa 6b6b5cb2ab perf: make sure that the tools/include/uapi/asm-generic directory exists
* before trying to copy unistd.h into it

* older kernels don't have uapi in tools/include and do_configure fails
  with:
  DEBUG: Executing shell function do_configure
  cp: cannot create regular file '.../perf/1.0-r9/perf-1.0/tools/include/uapi/asm-generic/unistd.h':
  No such file or directory
  WARNING: exit code 1 from a shell command.

* tools/include/uapi was added in kernel 4.8 with
  c4b6014e8b
  tools: Add copy of perf_event.h to tools/include/linux/

(From OE-Core rev: 5d35f27f8db102f2cb63c86c163c9952352dbb1d)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-06-07 13:57:48 +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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