bug#49417: glibc uses "objcopy", but seems to need "TARGET-objcopy" [core-updates]

[Maxime Devos]

User: guix-devel@gnu.org
Usertags: powerpc64le-linux

Here is an extract from the build log
(<https://ci.guix.gnu.org/build/654298/log/raw>)

/gnu/store/ar373sjda7fz0m4mav6rdfmv49vv6r87-bash-minimal-5.1.8/bin/sh 
../scripts/move-if-change 
/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/gnu/lib-names-64-v2.T
 /tmp/guix-
build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/gnu/lib-names-64-v2.h
objcopy 
--dump-section=.gnu.attributes=/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/no_ldbl_gnu_attribute.bin.tmp
 /tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-
0/build/no_ldbl_gnu_attribute.o
touch 
/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/libc-abis.stamp
touch 
/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/dl-tunable-list.stmp
objcopy: Unable to recognise the format of the input file 
`/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/no_ldbl_gnu_attribute.o'
make[2]: *** [../sysdeps/powerpc/powerpc64/le/Makefile:31: 
/tmp/guix-build-glibc-cross-powerpc64le-linux-gnu-2.33.drv-0/build/no_ldbl_gnu_attribute.bin]
 Error 1
make[2]: *** Waiting for unfinished jobs....

That looks like the earlier issue we had with "objdump" vs. "TARGET-objdump" ...
Maybe a similar fix is possible?

Greetings,
Maxime.

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