Andreas Müller c8e3a0a442 mime.bbclass: rework
* add a short descriptions of class' use case
* remove checks for update-mime-database - it can be considered available:
  * at build time by PACKAGE_WRITE_DEPS
  * at package upgrade by RDEPENDS chain
    pkg -> shared-mime-info-data -> shared-mime-info
* simplify (accelerate?) xml file extension detection
* run update-mime-database once only at image creation to avoid expensive
  redundant operations
* allow shared-mime-info to inherit mime.bbclass by avoiding circular
  dependencies

(From OE-Core rev: 6467b7b98c9a55e27d1ab9f253ec48da2a722e77)

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-01-19 13:24:38 +00:00
2020-01-19 13:24:38 +00:00
2020-01-19 13:24:38 +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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