cross compile error

[dony71]

I follow your instruction at https://andrei.gherzan.ro/linux/raspbian-rpi-64/
Compilation stop with error below
Any idea?

pi@raspberrypi:/usr/src/linux $ sudo make -j4 O=./kernel-build/ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
make[1]: Entering directory '/usr/src/linux-raspberrypi-kernel_1.20200601-1/kernel-build'
arch/arm64/Makefile:40: LSE atomics not supported by binutils
GEN ./Makefile
scripts/kconfig/conf --syncconfig Kconfig
arch/arm64/Makefile:40: LSE atomics not supported by binutils
GEN ./Makefile
Using .. as source for kernel
HOSTCC scripts/dtc/dtc.o
HOSTCC scripts/genksyms/genksyms.o
CC scripts/mod/empty.o
/tmp/ccpyShRe.s: Assembler messages:
/tmp/ccpyShRe.s:5: Error: junk at end of line, first unrecognized character is `,'
make[3]: *** [../scripts/Makefile.build:304: scripts/mod/empty.o] Error 1
make[2]: *** [../scripts/Makefile.build:544: scripts/mod] Error 2
make[2]: *** Waiting for unfinished jobs....
HOSTCC scripts/dtc/flattree.o
HOSTCC scripts/dtc/fstree.o
YACC scripts/genksyms/parse.tab.c
HOSTCC scripts/dtc/data.o
LEX scripts/genksyms/lex.lex.c
YACC scripts/genksyms/parse.tab.h
HOSTCC scripts/dtc/livetree.o
HOSTCC scripts/dtc/treesource.o
HOSTCC scripts/genksyms/parse.tab.o
HOSTCC scripts/dtc/srcpos.o
HOSTCC scripts/genksyms/lex.lex.o
HOSTCC scripts/dtc/checks.o
HOSTCC scripts/dtc/util.o
LEX scripts/dtc/dtc-lexer.lex.c
YACC scripts/dtc/dtc-parser.tab.h
YACC scripts/dtc/dtc-parser.tab.c
HOSTCC scripts/dtc/dtc-lexer.lex.o
HOSTLD scripts/genksyms/genksyms
HOSTCC scripts/dtc/dtc-parser.tab.o
HOSTLD scripts/dtc/dtc
make[1]: *** [/usr/src/linux-raspberrypi-kernel_1.20200601-1/Makefile:1068: scripts] Error 2
make[1]: *** Waiting for unfinished jobs....
CC kernel/bounds.s
UPD include/generated/timeconst.h
UPD include/generated/bounds.h
CC arch/arm64/kernel/asm-offsets.s
UPD include/generated/asm-offsets.h
CALL ../scripts/checksyscalls.sh
make[1]: Leaving directory '/usr/src/linux-raspberrypi-kernel_1.20200601-1/kernel-build'
make: *** [Makefile:146: sub-make] Error 2