[PATCH v4] libstdc++: Add symlink support on Windows

[Jonathan Wakely]

On Fri, 26 Jun 2026 at 05:55, Adam Wood <adam.wood@mines.sdsmt.edu> wrote:
>
> For a directory symlink, I think the type of the file depends on whether you call stat or lstat. For stat, the type should be a directory. For lstat, it should be a symlink. So I think your __check_handle_type should work for stat, but I can't exactly tell what would happen when it gets called from lstat.

Hmm, yes, so __check_handle_type needs to be passed the
following_symlinks bool flag, so that it doesn't check for symlinks
when called from stat, only when called from lstat.

>
> Anyways, I am struggling to make the cross-compiler, but hopefully tomorrow I'll follow this tutorial: https://sourceforge.net/p/mingw-w64/wiki2/Build%20a%20native%20Windows%2064-bit%20gcc%20from%20Linux%20%28including%20cross-compiler%29/
> up to the end of step 3, and then I will be able to run make check-compile.

I don't think using a cross-compiler matters, I think the difference
between our test results is probably just due to the version of
mingw-w64 we're using. I have 13.0.0 (from Fedora 43) but I assume
you're using 14.0.0 which would explain why you didn't see the tests
failing.