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Robert Yang 5501f12ef6 checklayer: Avoid adding the layer if it is already present
* Rename add_layer() to add_layers() so that add_layer_dependencies() can
  re-use it.

* Avoid adding the layer if it is already present

[YOCTO #13148]

(From OE-Core rev: b9cc18d83f55ff48c3d6e60c56359f6736d5a06a)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-02-14 11:20:55 +00:00
bitbake bitbake: bitbake: remove True option to getVar calls 2019-02-12 22:01:10 +00:00
documentation dev-manual: Grammar fix. 2019-02-12 21:49:01 +00:00
meta libgfortran: Set license to GPL-3.0-with-GCC-exception 2019-02-14 11:20:55 +00:00
meta-poky site.conf.sample: remove seq from HOSTTOOLS 2019-02-12 14:05:00 +00:00
meta-selftest selftest/distrodata: un-break the upstream version check test 2019-01-11 10:39:08 +00:00
meta-skeleton meta-skeleton/meta-selftest: Update to thud 2018-09-25 23:15:49 +01:00
meta-yocto-bsp meta-yocto-bsp: Bump to the latest stable kernel for the non-x86 BSPs 2019-01-26 13:40:03 +00:00
scripts checklayer: Avoid adding the layer if it is already present 2019-02-14 11:20:55 +00:00
.gitignore gitignore: Ignore repo tool directory 2018-10-29 17:26:47 +00:00
.templateconf meta-yocto: Rename to meta-poky to better match its purpose 2016-02-28 11:31:17 +00:00
LICENSE Fix license notices for OE-Core 2014-01-02 12:58:54 +00:00
oe-init-build-env oe-init-build-env-memres: Drop it 2017-07-21 08:44:25 +01:00
README.hardware meta-yocto: Restructure and tidy up READMEs 2017-09-14 13:36:22 +01:00
README.LSB pax: remove the recipe 2018-02-24 10:31:45 +00:00
README.poky meta-yocto: Restructure and tidy up READMEs 2017-09-14 13:36:22 +01:00
README.qemu README.qemu: qemuppc64 is not supported 2017-10-16 23:54:31 +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.