Richard Purdie 46b629426b bitbake.conf: Simplify TARGET_SYS/SDK_SYS
As pointed out by Masahiro Yamada <masahiroy@kernel.org>, ('' or 'custom')
equates to "custom" and this code seems unecesaarily complicated and unused.

It was likely intended to supress the value if XXX_OS was set to '' but the
code doesn't actually do that. Simplify it as we shouldn't have this indirection
if we don't need it, its horrible.

(From OE-Core rev: 66e4c638b942c9832da9e1d578aa03eeafae28db)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-01-01 10:46:16 +00:00
2020-01-01 10:46:16 +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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