template-haskell 2.4 fails to compile with base 4.1
The problem is !CharConstr, which doesn't exist in Data.Data prior to base 4.2. I suppose the easiest fix is to update the build-depends in the cabal file.
But for what it's worth I had a look and the mention of !CharConstr is so brief that I wonder if it's not worth factoring it out somehow in a way that maintains compatibility – commenting out that single two-line case branch allows the build to complete fine.
Trac metadata
Trac field | Value |
---|---|
Version | 6.10.4 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | libraries (other) |
Test case | |
Differential revisions | |
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Blocking | |
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