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Jack Mitchell df29f54c26 distutils3: allow setup.py to be run from a different directory to ${S}
Sometimes setup.py can be buried deep in a source tree. This has
traditionally been solved with setting S to the subdirectory in
the source. However with the new pseudo changes, some python modules
make changes to files beneath ${S}, for example:

S = "${WORKDIR}/git/python/pythonmodule"

then in setup.py it works with source code in a relative fashion, such
as:

../../src

This causes pseudo to abort as it isn't tracking the paths. Therefore
implement the variable DISTUTILS_SETUP_PATH so that recipes can use:

S = "${WORKDIR}/git"
DISTUTILS_SETUP_PATH = "${S}/python/pythonmodule"

inherit distutils3

This allows the full source tree to be monitored, while distutils
can run setup.py from a location other than ${S}.

(From OE-Core rev: ab15ec860a936c527484435f141ced300b9cb9dc)

Signed-off-by: Jack Mitchell <ml@embed.me.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ddcc349cede0c4fe1909df1ded7b0a7c509cd758)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-02-03 14:13:53 +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.
S
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