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stack setup 7.8.4 fails sanity check on Windows #3213
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I'm not sure this is actually related to either of those other issues. If we look at the official https://downloads.haskell.org/~ghc/7.8.4/ghc-7.8.4-x86_64-unknown-mingw32.tar.xz we find that it is indeed missing This is not true for Stack's GHC distribution. I did a diff between the two GHC trees and the only difference is that Stack's Therefore, it looks to me that somewhere down the line the official GHC tarball was patched to replace |
Hmm, that's weird that the two tarballs are different, not sure which should be preferred, or why there is a different. Pinging @borsboom |
I encountered the same issue today with 7.10.2 installed via Haskell Platform 8.6.5 on Windows 10. The workaround worked. |
I am closing the issue given the passage of time. |
General summary/comments (optional)
stack setup 7.8.4
on Windows fails with the following error message (sanitized by replacing the actualAppData
path with%AppData%
):Workaround: Copy the file
to
realgcc.exe
in the same folder.Steps to reproduce
Expected
Successful installation of GHC version 7.8.4.
Actual
The error message above. After performing the above workaround, GHC version 7.8.4 then works fine.
Stack version
Method of installation
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