ANNOUNCE: GHC 7.10.1 Release Candidate 1 - feedback on Mac OS

Erik Hesselink hesselink at
Thu Jan 1 15:02:15 UTC 2015

It seems to be building a very old cpphs (1.13) with a new version of
cabal. cpphs-1.13 has a top-level build-depends statement which isn't
allowed anymore: it should now be added to the library section, which
is what the error message tries to indicate.


On Thu, Jan 1, 2015 at 3:43 PM, Malcolm Wallace <malcolm.wallace at> wrote:
> On 1 Jan 2015, at 13:58, George Colpitts wrote:
>> Configuring cpphs-1.13...
>> Building cpphs-1.13...
>> Warning: cpphs.cabal: Unknown fields: build-depends (line 5)
>>     Could not find module ‘Prelude’
>>     It is a member of the hidden package ‘base-’.
>>     Perhaps you need to add ‘base’ to the build-depends in your .cabal file.
> The two statements "unknown field build-depends" and "add package to build-depends" seem rather contradictory.  How can this be fixed?
> Regards,
>     Malcolm
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