[Bug libstdc++/79193] libstdc++ configure incorrectly decides linking works for cross-compiler

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79193

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Sandra, does the commit above fix this?

You mentioned it not being fully general, but is it good enough?