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c08c61d2f1
if do clean after remove-layer, it will make stamp file not cleaned since variable STAMP has changed, this will cause error like: if testcase buildclean failed, when run next testcase modify, since do_prepare_recipe_sysroot's stamp file exists, sysroot not populated, then do_compile will fail with error: /bin/sh: x86_64-poky-linux-gcc: command not found (From OE-Core rev: 046d7e1de094105db0949c2cf5333ff55d9ad9c8) Signed-off-by: Changqing Li <changqing.li@windriver.com> 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.