head amd64->aarch64 buildkernel: clang using aarch64-binutils gets /tmp/cloudabi_vdso_armv6_on_64bit-2f26ed.o: error adding symbols: File in wrong format

Mark Millard marklmi26-fbsd at yahoo.com
Sun Apr 8 00:34:49 UTC 2018


(Context: buildworld completed before builkernel started.)

My attempt to do buildworld buildkernel via clang but using
aarch64-binutils got the following failure during buildkernel.

(Note the use of: -B/usr/local/aarch64-unknown-freebsd12.0/bin/
for clang.)

--- cloudabi32_vdso.o ---
/tmp/cloudabi_vdso_armv6_on_64bit-2f26ed.o: error adding symbols: File in wrong format
cc: error: linker command failed with exit code 1 (use -v to see invocation)
*** [cloudabi32_vdso.o] Error code 1

make[4]: stopped in /usr/src/sys/modules/cloudabi32
.ERROR_TARGET='cloudabi32_vdso.o'
.ERROR_META_FILE='/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG/modules/usr/src/sys/modules/cloudabi32/cloudabi32_vdso.o.meta'
.MAKE.LEVEL='4'
MAKEFILE=''
.MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
_ERROR_CMD='cc -B/usr/local/aarch64-unknown-freebsd12.0/bin/ -mcpu=cortex-a53 -target aarch64-unknown-freebsd12.0 --sysroot=/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp -B/usr/local/aarch64-unknown-freebsd12.0/bin/ -x assembler-with-cpp -m32 -shared -nostdinc -nostdlib  -Wl,-T/usr/src/sys/compat/cloudabi/cloudabi_vdso.lds  /usr/src/sys/contrib/cloudabi/cloudabi_vdso_armv6_on_64bit.S -o cloudabi32_vdso.o;'
.CURDIR='/usr/src/sys/modules/cloudabi32'
.MAKE='make'
.OBJDIR='/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG/modules/usr/src/sys/modules/cloudabi32'
.TARGETS='all'
DESTDIR=''
LD_LIBRARY_PATH=''
MACHINE='arm64'
MACHINE_ARCH='aarch64'
MAKEOBJDIRPREFIX='/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG/modules'
MAKESYSPATH='/usr/src/share/mk'
MAKE_VERSION='20180222'
PATH='/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/usr/sbin:/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/usr/bin:/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/bin:/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/sbin:/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin'
SRCTOP='/usr/src'
OBJTOP='/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG/modules/usr/src'
.MAKE.MAKEFILES='/usr/src/share/mk/sys.mk /usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk /root/src.configs/src.conf.cortexA53-clang-xbinutils-bootstrap.amd64-host /usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/src.sys.obj.mk /usr/src/share/mk/auto.obj.mk /usr/src/share/mk/bsd.suffixes.mk /root/src.configs/make.conf /usr/src/share/mk/local.sys.mk /usr/src/share/mk/src.sys.mk /dev/null /usr/src/sys/modules/cloudabi32/Makefile /usr/src/share/mk/bsd.kmod.mk /usr/src/sys/conf/kmod.mk /usr/src/share/mk/bsd.init.mk /usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk /usr/src/share/mk/local.init.mk /usr/src/share/mk/src.init.mk /usr/src/sys/modules/cloudabi32/../Makefile.inc /usr/src/share/mk/bsd.own.mk /usr/src/share/mk/bsd.compiler.mk /usr/src/share/mk/bsd.linker.mk /usr/src/sys/conf/kern.opts.mk /usr/src/sys/conf/config.mk /usr/src/share/mk/bsd.links.mk /usr/src/share/mk/bsd.dep.mk /usr/src/share/mk/bsd.clang-analyze.mk /usr/src/share/mk/bsd.obj.mk /usr/src/share/mk/bsd.subdir.mk /usr/src/sys/conf/kern.mk'
.PATH='. /usr/src/sys/modules/cloudabi32 /usr/src/sys/compat/cloudabi32 /usr/src/sys/arm64/cloudabi32 /usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG'
1 error


For reference:

# uname -apKU
FreeBSD FBSDFSSD 12.0-CURRENT FreeBSD 12.0-CURRENT  r332181M  amd64 amd64 1200061 1200061

# pkg info "*binutils"
aarch64-binutils-2.30_2,1
amd64-binutils-2.30_2,1
binutils-2.30_2,1
powerpc64-binutils-2.30_2,1

# svnlite info /usr/ports/ | grep "Re[plv]"
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/ports
Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
Revision: 466704
Last Changed Rev: 466704

buildworld buildkernel with clang using its default
utilities completed.

===
Mark Millard
marklmi26-fbsd at yahoo.com
( dsl-only.net went
away in early 2018-Mar)








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