The source of the problem is that /dev/null was a regular file on my system. I checked against this before filing the bug, but not in proper ways. I am sorry for the inconvenience.
bug#46030: problem is resolved - please close bug
mathias . steiger--- via Bug reports for Automake Fri, 22 Jan 2021 08:20:38 -0800
- bug#46030: obscure bug &... mathias . steiger--- via Bug reports for Automake
- bug#46030: problem ... mathias . steiger--- via Bug reports for Automake
- bug#46030: prob... Karl Berry