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If there are different providers of a file and they are swiched when the recipe isn't machine specific, we can get tracebacks due to the overlapping files. The issue is that the previous provider isn't uninstalled since the system can't tell whether some later task needs them. By tracking which tasks we depend upon, the code can now choose to uninstall more things since a later task can reinstall if/as needed. The code here was to protect against code with two different tasks running in parallel which is still protected agaisnt. [YOCTO #13702] (From OE-Core rev: 86f36e3f93cdb2f5882b72e736a770aa6f46100d) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Steve Sakoman <steve@sakoman.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.