Packaging bug with GHC 9.10.1 for Windows

Summary

The archive file for GHC 9.10.1 for Windows is about 80% larger than for GHC 9.6.3 to 9.8.2. This appears to be because duplicate copies of files have been included. For example:

• GHC 9.8.2 lib\bin is 67 MB on disk. For GHC 9.10.1 it is 581 MB.
• GHC 9.8.2 lib\lib does not exist. For GHC 9.10.1 it exists and is 1.08 GB on disk.
• GHC 9.8.2 lib\doc is 132 KB on disk. For GHC 9.10.1 it is 775 MB.

Environment

• GHC version used: 9.10.1

Optional:

• Operating System: Windows
• System Architecture: x86_64

added needs triage label

@mpilgrem The fact that the folders are different sizes isn't necessarily indicative of a bug, the way the packages are created has changed in 9.10 (which fixed other issues in the bindists). Hower it should be investigated why the overall size has increased significantly (and whether that is to do with duplication). It might be an issue due to how static linking rather than dynamic linking is used on windows.

@mpickering, while that is possible, it does look to me that folders and files from the root directory have been duplicated in the lib directory - look at the contents of \lib\lib, for example.

Yes it does appear that lib/lib is duplicated.

removed needs triage label

added Phighest Tbug Windows packaging labels

changed milestone to %9.10.2

assigned to @mpickering

It looks to me like this is due to the install_lib rule in the hadrian/bindist/Makefile.

Fixed in !12649 (closed)

closed