Enrico Scholz 7324bc16a2 wic: accept '-' in bitbake variables
'-' is valid and common in bitbake variables (e.g. 'FOO_pn-bar'). Accept
it and other characters when reading the .env file.

Also, allow variables to be empty.

(From OE-Core rev: e688ac8e92d2bc451d8b2d437596f630bedccd2c)

(From OE-Core rev: 2a69250abf61e51f633033ddb672e8f459191899)

Signed-off-by: Enrico Scholz <enrico.scholz@ensc.de>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-09-18 11:07:29 +01:00
2016-03-26 08:06:58 +00:00
2014-01-02 12:58:54 +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 + qemuppc64)
  * 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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