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Bruce Ashfield c6f7c7989b linux-yocto/qemuarmv5: fix configuration warning
Integrating the following commit(s) to linux-yocto:

    8c8f6a791be qemuarm: inhibit optimize for size

To fix the following warning:

    [NOTE]: 'CONFIG_CC_OPTIMIZE_FOR_SIZE' last val (y) and .config val (n) do not match
    [INFO]: CONFIG_CC_OPTIMIZE_FOR_SIZE : n ## .config: 159 :configs/v5.10/standard/ktypes/standard/standard.cfg (n) configs/v5.10/standard/arch/arm/arm.cfg (y)
    [INFO]: raw config text:
            config CC_OPTIMIZE_FOR_SIZE
        	    bool "Optimize for size (-Os)"
        	    depends on <choice>
        	    help
        	      Choosing this option will pass "-Os" to your compiler resulting
        	      in a smaller kernel.
            Config 'CC_OPTIMIZE_FOR_SIZE' has the following Direct dependencies (CC_OPTIMIZE_FOR_SIZE=y):
                    <choice>
            Parent dependencies are:
                 choice [y]

We explicitly enable optimize_for_performance in this BSP, but the
arch default is optimize_for_size. These are choice options in the
kernel, so they both can't be enabled.

Unless we tell the audit that we don't want optimize_for_size, it
will notice that fact, and warn that it is not set in the final .config.

[YOCTO #14285]

(From OE-Core rev: 07c09631d8ccb7701a3cf2d2b51c90d7ea8cfa37)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-03-11 14:00:36 +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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