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This will be needed for making xz compression more deterministic, as xz archives are created differently in single- vs multi-threaded modes. This means that due to bitbake's default of using as many threads as there are cores in the system, files compressed with xz will be different if built on a multi-core system compared to single-core systems. Allowing cpu_count() here to return a lower bound, will allow forcing xz to always use multi-threaded operation. (From OE-Core rev: c6dda204e15c5b27559f7617b18a7b3ce604e2f8) Signed-off-by: André Draszik <git@andred.net> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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.