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alex == 3.0.1 constraint causes problems #19

luite opened this Issue · 2 comments

2 participants


if someone does cabal install alex he'll get version 3.0.2 from hackage. Language-javascript will fail to install with this. Is this intentional?


Well, I was updating it and the compilation breaks with 3.0.2

Strictly speaking Alex is only required for development, if the lexer changes, since the output of Alex is included in the distributed source.

Perhaps I should remove the constraint and note it for development?



Ah that sounds annoying. I think 3.0.1 doesn't build with GHC 7.6, so that would require users with only that version to install another GHC. Removing it from the requirements would certainly make it easier for those people.

@alanz alanz closed this in 0b04a58
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