Concering the current state of recursive import,
Simon Peyton-Jones
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GHC's module-at-a-time compilation model means that GHC needs an hs-boot file to "get started". The manual tries to explain what you can and can't do. If you follow the rules it works pretty well. We use recursive modules extensively for compiling GHC itself, and it's just fine with 'make'. (ghc -M does the right thing.)
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Thank you for the explanation. And how does this feature interact with packages, with making via Cabal ? Will Cabal work with recursive imports and with ghc-options: -fglasgow-exts -fallow-undecidable-instances -fallow-overlapping-instances -fno-warn-overlapping-patterns -fwarn-unused-binds -fwarn-unused-matches -fwarn-unused-imports -O -prof -auto-all ? Generally, I tend to use recursive modules because they simplify the global algorithm presentation. But fear of technical difficulties in the project support. Maybe, I would try this recursion. ----------------- Serge Mechveliani mechvel@botik.ru