PS: > config.guess contains logic to determine the bitness by invoking the compiler:
This code is present in config.guess since 2018-12-21. Between 2018-07-18 and 2018-12-21, this part of config.guess was buggy [1]. But it isn't any more. Bruno [1] https://lists.gnu.org/archive/html/config-patches/2018-12/msg00012.html
