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Sourabh Banerjee 0033983cf3 layer.conf: fix sanity error for PATH variable in extensible SDK workflow
Sanity checker reports following error for the PATH variable,
when bitbake -e <recipe> command is run in an extensible SDK workspace.
   PATH contains '.', './' or '' (empty element), which will break the build

In case of extensible SDK, PATH variable is formed with two consecutive ':'
as bb.utils.which(d.getVar('PATH'),'bitbake') call returns an empty string.

This change adds ':' if BITBAKEPATH is a non empty string.

(From OE-Core rev: 05a87be51b44608ce4f77ac332df90a3cd2445ef)

Signed-off-by: Sourabh Banerjee <sbanerje@codeaurora.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-10-17 12:34:30 +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.
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