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When we run wic within eSDK: $ wic create mkefidisk -e core-image-minimal ERROR: BUILDDIR not found, exiting. (Did you forget to source oe-init-build-env?) In order to figure out variable values, one must have sourced the OE build environment setup script. However, when we are in within the eSDK environment which isn't initialised like the normal OE build environment, we can't use wic utility with eSDK. Reference: https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#wic-requirements While wic ought to be fixed to be able to run without bitbake & native tools [YOCTO #11281], but this is a workaround to set BUILDDIR in the environment so that bitbake environment is setup for wic to build its required native tools. (From OE-Core rev: 03fa13a269d2887cc5d13fd474fb39a2be037f2c) Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@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.