Cross building debian kernel package: scripts/Kconfig.include:39: compiler ' powerpc-linux-gnu-gcc-9' not found

[Mathieu Malaterre <malat@debian.org>]

Hi there,

I am following instructions from:

* https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html

So basically I end up doing from my x86_64 arch:

$ dpkg-architecture -apowerpc -c fakeroot make -f debian/rules.gen
setup_powerpc_none_powerpc64
[...]
  gcc   -o scripts/kconfig/conf scripts/kconfig/conf.o
scripts/kconfig/confdata.o scripts/kconfig/expr.o
scripts/kconfig/lexer.lex.o scripts/kconfig/parser.tab.o
scripts/kconfig/preprocess.o scripts/kconfig/symbol.o
scripts/kconfig/util.o
scripts/kconfig/conf  --listnewconfig Kconfig
scripts/Kconfig.include:39: compiler ' powerpc-linux-gnu-gcc-9' not found

Which seems to be consistent with the fact that:

$ apt-cache policy gcc-powerpc-linux-gnu
gcc-powerpc-linux-gnu:
  Installed: 4:8.3.0-1
  Candidate: 4:8.3.0-1
  Version table:
 *** 4:8.3.0-1 500
        500 http://deb.debian.org/debian buster/main amd64 Packages
        100 /var/lib/dpkg/status

Suggestion anyone ?