https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78984
--- Comment #7 from bruno at clisp dot org --- (In reply to Andreas Schwab from comment #6) > Note that if you use --with-ld, -B no longer works. Thanks Andreas. In fact, I've never used the -B option (except during gcc bootstrap). Some 20 years ago I used the options -V and -b, but over time I found it more reliable to not share anything between installed GCC binaries of different versions or targets, i.e. use a different --prefix each time.