Hi, Bruce, Would you mind taking a look at this? Have you seen any issues building latest kernel 5.12-rc for aarch64 and seeing host objcopy being used instead of cross compile one? Please let us know. Thanks!
-- Denys On Thu, Mar 25, 2021 at 08:13:04PM -0500, Nishanth Menon wrote: > When cross-compiling with v5.12-rc3, prepare fails[1] build of vdso at > the objcopy stage since it seems to be using the local host's objcopy > rather than the cross-compile version we want it to use. > > This can be trivially reproduced in a localbuild of the kernel > following the build parameters provided in the process[2] > > Lets fix this by passing OBJCOPY over to the kernel. > > [1] https://pastebin.ubuntu.com/p/pNcQtb93wr/ > [2] https://pastebin.ubuntu.com/p/vZGqgh9Sq5/ > Signed-off-by: Nishanth Menon <n...@ti.com> > --- > > NOTE: > 1. This is a different problem and is not resolved with > https://lists.openembedded.org/g/openembedded-core/message/149943 > > 2. Though reproduced during a dunfell build, this should probably > apply else where as well. > > 3. I have'nt been able to cleanly bisect things, but my best guess was > that this might be a consequence of kernel fixup exposing this. > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a5b8ca97fbf8300a5e21c393df25ce6f521e7939 > > meta/classes/kernel-arch.bbclass | 3 +++ > meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb | 2 +- > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/meta/classes/kernel-arch.bbclass > b/meta/classes/kernel-arch.bbclass > index 07ec242e63bb..3d25fc7ac531 100644 > --- a/meta/classes/kernel-arch.bbclass > +++ b/meta/classes/kernel-arch.bbclass > @@ -60,9 +60,12 @@ TARGET_LD_KERNEL_ARCH ?= "" > HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}" > TARGET_AR_KERNEL_ARCH ?= "" > HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}" > +TARGET_OBJCOPY_KERNEL_ARCH ?= "" > +HOST_OBJCOPY_KERNEL_ARCH ?= "${TARGET_OBJCOPY_KERNEL_ARCH}" > > KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd > ${DEBUG_PREFIX_MAP} > -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH}" > KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}" > KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}" > +KERNEL_OBJCOPY = "${CCACHE}${HOST_PREFIX}objcopy ${HOST_OBJCOPY_KERNEL_ARCH}" > TOOLCHAIN = "gcc" > > diff --git a/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb > b/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb > index 87b7d240f51a..2d73e8093c2e 100644 > --- a/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb > +++ b/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb > @@ -25,7 +25,7 @@ EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} > ${BUILD_LDFLAGS}" HOSTCPP=" > do_configure() { > unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS > for t in prepare scripts_basic scripts; do > - oe_runmake CC="${KERNEL_CC}" LD="${KERNEL_LD}" > AR="${KERNEL_AR}" \ > + oe_runmake CC="${KERNEL_CC}" LD="${KERNEL_LD}" > AR="${KERNEL_AR}" OBJCOPY="${KERNEL_OBJCOPY}"\ > -C ${STAGING_KERNEL_DIR} O=${STAGING_KERNEL_BUILDDIR} $t > done > } > -- > 2.31.0 >
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