[darcs-devel] [issue2505] darcs needs to be updated for sandi 0.4+ to be in stackage nightly

[Ganesh Sittampalam]

Ganesh Sittampalam <ganesh at earth.li> added the comment:

Couple of notes on the current status of this:

- sandi 0.4 is API incompatible with sandi 0.3, so darcs will either 
need to just support sandi 0.4, or use CPP
- sandi 0.4 doesn't support GHC 7.6, which darcs 2.12.x does support 
(HEAD/darcs 2.13 will probably drop this support, but I'm not sure 
it's appropriate for a release branch)

- sandi 0.3.6 does work ok with GHC 8 if you use --allow-newer, so 
darcs does currently build with GHC 8.0 if you use --allow-newer --
constraint 'sandi<0.4' (I only tested HEAD but I think 2.12 is the 
same)

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