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During a busybox upgrade on a ipk based system, it is possible that busybox is the only shell in the system. During the uninstall the alternative for /bin/sh is removed and everything after that goes down hill. * Add a check to verify if busybox is the shell, and save it to the busyboxrm directory created in tmp. Then add an alternative for /bin/sh that points to that busybox at the lowest priority. * Add PATH to the busyboxrm directory using shell(as during an upgrade busybox and its links are missing). * When install over remove extra busybox if present. deb and rpm are uneffected by the bug because they both drag in bash, however neither upgrade seemed to have issue with the changes. [YOCTO 13850] (From OE-Core rev: 443d1c8c7fb5a69c03c813f3e90758e0add7df4b) Signed-off-by: Jeremy A. Puhlman <jpuhlman@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit a9d2af8f5b3da8239cf00a52883ca596a19ea23a) Signed-off-by: Anuj Mittal <anuj.mittal@intel.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.