[Haskell-cafe] GHC API output files options problem

[Marianna Rapoport]

Hi all,

we are working on a Haskell support plugin for IntelliJ IDEA, and need to
provide correct compilation of Haskell programs.

We compile the latter using GHC API, with options specifying .hi and .o
paths. For some reason, unlike a standalone GHC compilation, GHC API ignores
the values of the outputFile and outputHi flags.

Please find attached a minimal example where "err_test.hs" uses GHC API to
compile "src/A.hs".

Thus, "test_ghc.sh" and "test_my.sh" should do the same, but the first works
correctly while the latter puts "use.o" and "use.hi" to the "src" folder. To
launch "test_my.sh", please change the value of lib in "err_test.hs"
according to your GHC installation path.

Thank you very much in advance!

Marianna Rapoport, amaurremi at gmail.com
Oleg Sobolev, sobolev_ov at mail.ru
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