[Bug libstdc++/108027] mcf thread model causes build issues for multilibs of x86_64-w64-mingw32 target

[lh_mouse at 126 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108027

--- Comment #11 from LIU Hao <lh_mouse at 126 dot com> ---
It has nothing to do with MSYS2. MSYS2 is merely an example to show that .la
files are not necessary and should not be installed.