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Currently GHCi is passed --ghc-option=-ferror-spans
for the additional arguments for the cabal repl
invocation, but since 3.4 the v2 repl (default) does not have --ghc-option=
work reliably, e.g. in https://cabal.readthedocs.io/en/3.4/cabal-commands.html#cabal-v2-repl you can see:
To avoid ghci specific flags from triggering unneeded global rebuilds these flags are now stripped from the internal configuration. As a result
--ghc-options
will no longer (reliably) work to pass flags to ghci (or other repls). Instead, you should use the new--repl-options
flag to specify these options to the invoked repl.
Shouldn't the option be changed to --repl-options
in haskell-interactive-mode?
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