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Charlie Davies 3752782cb7 bitbake: bitbake: providers: introduce logic for REQUIRED_VERSION variable
This commit adds checks during the findPreferredProvider function for a
new variable REQUIRED_VERSION. This can be set, in exactly the same
manner as PREFERRED_VERSION, on a per package basis to enforce the use
of a particular version of a package.

REQUIRED_VERSION is similar in behaviour to PREFERRED_VERSION except if
the version specified by REQUIRED_VERSION is not found an error occurs
and the execution of Bitbake stops.

Fixes [YOCTO #10096]

(Bitbake rev: 5cbf6d95fc1009e78e7d0745a49e0bf418b37abb)

Signed-off-by: Charlie Davies <charles.davies@whitetree.xyz>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-03-15 14:36:51 +00:00
2021-03-11 14:05:22 +00:00
2021-03-14 16:33:59 +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.
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