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The trick here is to use a DEBUG trap to record the line number of each command as they execute. This is so we can report the real line number of the failing command, which is otherwise not possible in a Bash EXIT trap. See http://gnu-bash.2382.n7.nabble.com/trap-echo-quot-trap-exit-on-LINENO-quot-EXIT-gt-wrong-linenumber-td3666.html (Bitbake rev: 8366e2ad5fdad3972766b40b23188908330067ee) Signed-off-by: Chris Laplante <chris.laplante@agilent.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.