[Bug bootstrap/108092] libstdc++ and all other gcc libraries installed incorrectly installed $PREFIX/lib32 for crossback compilation

[unlvsur at live dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108092

--- Comment #4 from cqwrteur <unlvsur at live dot com> ---
(In reply to Richard Biener from comment #2)
> Please specify exactly how you configure the cross compiler from
> x86_64-w64-mingw32 to x86_64-w64-mingw32

from x86_64-pc-linux-gnu to x86_64-w64-mingw32 to x86_64-pc-linux-gnu