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Bruce Ashfield 266e22f25f linux-yocto/5.2: backport perf build fix for latest binutils
[
   Author: Changbin Du <changbin.du@gmail.com>
   Date:   Tue Jan 28 23:29:38 2020 +0800

       perf: Make perf able to build with latest libbfd

       libbfd has changed the bfd_section_* macros to inline functions
       bfd_section_<field> since 2019-09-18. See below two commits:
	 o http://www.sourceware.org/ml/gdb-cvs/2019-09/msg00064.html
	 o https://www.sourceware.org/ml/gdb-cvs/2019-09/msg00072.html

       This fix make perf able to build with both old and new libbfd.

       Signed-off-by: Changbin Du <changbin.du@gmail.com>
       Acked-by: Jiri Olsa <jolsa@redhat.com>
       Cc: Peter Zijlstra <peterz@infradead.org>
       Link: http://lore.kernel.org/lkml/20200128152938.31413-1-changbin.du@gmail.com
       Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
       Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]

(From OE-Core rev: fb3a4c0ef61ca9b6313d4fdc6e2b28d415780dc7)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 14a338dbbe2da5a022a916081b3aab9c7472c3ce)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-03-16 16:44:53 +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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