ghc_extra_opts in package

[Manuel M. T. Chakravarty]

Alastair David Reid <reid@cs.utah.edu> wrote,

> So here's a concrete suggestion:
> 
> 1) We standardise the definition of various extensions (mptc, unboxed types,
>    etc.) so that if two compilers both claim to support feature X, then
>    they accept the same code.  (We're pretty close to this already.)
> 
>    Note that standardising the definition of mptc (for example) isn't
>    the same as requiring all Haskell compilers to support it.
> 
>    Here's a list of proposed standards (suggestions for extra features
>    welcome):
> 
>      MPTC
>      FunctionalDependencies
>      PatternGuards
>      UnboxedTypes
>      TREX
>      PreemptiveConcurrency
>      CooperativeConcurrency
>      ImplicitParameters
>      ExceptionHandling
>      FFI
> 
> 2) We extend the package definition with a list of features used in the
>    package.
> 
>    Package {
>      name = "net",
>      extensions = [ "FFI", "ExceptionHandling", ... ],
>      ...
>    }

Sounds like an excellent idea to me.

Cheers,
Manuel