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b55f765ae4
A "broken" buildtools-extended-tarball has been released into the wild where it is optimising binaries for the host processsor. This is fine in local usage but in a non-homogeneous cluster like our autobuilder, this results in SIGILL on other machines when the sstate is shared amongst them and is painful to debug. The buildtools tarball has been fixed but we need to invalidate the hash equivalence and sstate data. This change does that. Adding to OE-Core rather than autobuilder local changes as its good to illustrate how to do this and the issue is potentially wider than just Yocto Project infrastructure. (From OE-Core rev: 23cdfa9eb23146a69edb77a83ef03719a62ddaae) 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.