[Haskell-cafe] Announce: bytestring

Austin Seipp mad.one at gmail.com
Sun Apr 20 20:05:10 EDT 2008

> That's all good news; will this release of ByteString be used for GHC 6.8.3?
> I'm a little tired of linking everything against just so I can use Yi
> (since GHC/the-GHC-API links against it). :)

Indeed; this is the biggest issue I have with bytestring right now as
it's interfered with my work with hs-plugins/GHC-api, especially
considering I think the new cabal and ghc 6.8.3 should fix or at least
warn about the library-version-mismatch issues (from what I've heard.)

The only probable fix I can think of (other than doing compile-time
hackery on both the C and haskell side to make symbol names differ
across releases, which is fairly infeasible i'd think and would regardless kill
portability since template-haskell is the only viable option on the
haskell note,) is to factor out the usage of bytestring in the GHC-API, or
just stick the source code to bytestring into the GHC source tree so
it's not built as a package (so you wouldn't see it in, e.g. 'ghc-pkg
describe ghc', although I would think the names would still show up in
the symbol table, regardless.)

But whatever route you choose, I'm not sure of the ramifications in
general and it seems to be a tough cookie to solve properly, so we don't
end up breaking things as we try and fix them. Don probably has better

"It was in the days of the rains that their prayers went up, 
not from the fingering of knotted prayer cords or the spinning 
of prayer wheels, but from the great pray-machine in the
monastery of Ratri, goddess of the Night."
 Roger Zelazny

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