Hello,

creating a new LFS on an ARM (aarch64) System (Rockpro64 with DietPi-distribution) stops on compiling GCC in chapter 5.10. (GCC-9.2.0 - Pass 2) with an Error 1:

build/genautomata.o build/rtl.o build/read-rtl.o build/ggc-none.o build/vec.o build/min-insn-modes.o build/gensupport.o build/print-rtl.o build/hash-table.o build/sort.o build/read-md.o build/errors.o ../build-aarch64-unknown-linux-gnu/libiberty/libiberty.a -lm
build/genautomata ../../gcc/common.md ../../gcc/config/aarch64/aarch64.md \
insn-conditions.md > tmp-automata.c
build/genautomata: /lib/aarch64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found (required by build/genautomata)
Makefile:2328: recipe for target 's-automata' failed

make[2]: *** [s-automata] Error 1
make[2]: Leaving directory '/mnt/USB_LFS/sources/gcc-9.2.0/build_2/gcc'
Makefile:4330: recipe for target 'all-gcc' failed
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory '/mnt/USB_LFS/sources/gcc-9.2.0/build_2'
Makefile:960: recipe for target 'all' failed
make: *** [all] Error 2
lfs@DietPi:/mnt/USB_LFS/sources/gcc-9.2.0/build_2$


This error is independent if I use GlibC 2.31 or 2.29 for compiling.

The host system itself has libc-2.24/libm-2.24

build/genautomata: /lib/aarch64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found (required by build/genautomata)
Makefile:2328: recipe for target 's-automata' failed

I'm not shure, why compiling with access to the hostsystem "/lib/aarch64-linux-gnu/libm.so.6"?
 

Any ideas fixing this ?

Thank You.

Martin
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