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CFLAGS is unset during kernel_do_compile and thus the default build path substitutions in DEBUG_PREFIX_MAP are missing. To enhance reproducible build for kernel modules, such as lttng-modules and cryptodev-module, this patch appends them, plus substitution of STAGING_KERNEL_DIR, to KERNEL_CC. (From OE-Core rev: ef7dac8511fc1647bc481c0e2ffa19e08e06f007) Signed-off-by: He Zhe <zhe.he@windriver.com> Signed-off-by: Ross Burton <ross.burton@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.