On 17 February 2005 14:54, Daan Leijen wrote:
>> A more general question: We doesn't -ohi dir/filename.hi is not
>> reflected in the dependencies.
>> I tried:
>>
>>> ghc -M -odir out -ohi out/A.hi A.hs
>>
>> but nothing changed.
>
> Simon??
This is because ghc -M works like --make, in that it traverses the
module dependency graph. When multiple modules are being considered,
the -ohi flag doesn't make much sense (which module does it apply to?).
The right way is to use -hidir/-hisuf, which are honoured by -M and
--make.
Cheers,
Simon
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