make shared_helpers exe function work for both cygwin and non-cygwin hosts #141374
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r? @onur-ozkan rustbot has assigned @onur-ozkan. Use |
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Thank you! Could you please squash your commits into single commit? I am also not familiar with the Windows environment, so passing this to person that I kind a know that they are using Windows. r? @jieyouxu |
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sure, that was the point of the |
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May 22, 2025
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Yeah, please leave a comment. When I reviewed the original PR the change looked correct. |
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Reminder, once the PR becomes ready for a review, use |
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…hosts On Cygwin, it needs to not append .exe, because /proc/self/exe (and therefore std::env::current_exe) does not include the .exe extension, breaking bootstrap's rustc wrapper. On hosts other than Cygwin, it *does* need to append .exe because the file really does have a .exe extension, and non-Cygwin hosts won't be doing the same filename rewriting that Cygwin does when looking for a file X but finding only X.exe in its place.
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On Cygwin, it needs to not append .exe, because /proc/self/exe (and therefore
std::env::current_exe) does not include the .exe extension, breaking bootstrap's rustc wrapper. On hosts other than Cygwin, it does need to append .exe because the file really does have a .exe extension, and non-Cygwin hosts won't be doing the same filename rewriting that Cygwin does when looking for a file X but finding only X.exe in its place.Arising from discussion in #140154 (review)
@mati865 @Berrysoft