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Martin Jansa
3fa3b0540d
* with 5.4 kernel the do_configure fails when gold is enabled (with ld-is-gold in DISTRO_FEATURES)
* bfd is already being set in KERNEL_LD:
kernel-arch.bbclass:KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
but KERNEL_LD is currently respected only by do_compile and do_compile_kernel modules
and new kernel which contains a check for gold in Kbuild:
https://lore.kernel.org/lkml/alpine.DEB.2.21.1907161434260.1767@nanos.tec.linutronix.de/
more details:
https://lore.kernel.org/r/CAMe9rOqMqkQ0LNpm25yE_Yt0FKp05WmHOrwc0aRDb53miFKM+w@mail.gmail.com
will fail during the configuration even when gold wouldn't be used to
build it in the end, add LD setting to KERNEL_CONFIG_COMMAND to prevent
premature error when configuring
scripts/kconfig/conf --olddefconfig Kconfig
scripts/Kconfig.include:39: gold linker 'x86_64-oe-linux-ld' not supported
make[2]: *** [/OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/scripts/kconfig/Makefile:73: olddefconfig] Error 1
(From OE-Core rev: 66c1f4b0abd3483759f9e4141a80f982eaf8ccfd)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.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.