Re: Mac 10.15 compiling using ghc

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

Actually, it's probably best to do

cabal install --lib pandoc-types --package-env .

which will not change the global cabal environment,
but will just affect the working directory.

John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes:

> The issue is that ghc doesn't know where to find the dependent
> libraries (in this case pandoc-types).  On ubuntu you probably
> had this installed in a central location.
>
> Generally, to build Haskell code with dependencies you need to
> use stack or cabal.
>
> But see here:
> https://stackoverflow.com/questions/65539773/compiling-a-haskell-script-with-external-dependencies-without-cabal
>
> It looks like you can do:
>
> cabal install --lib pandoc-types
> ghc --make striplatex.hs
>
> Try that.
>
> Uwe Brauer <oub-YB6e1s5WF/He5aOfsHch1g@public.gmane.org> writes:
>
>> Hi
>>
>> Under linux (Ubuntu 16.04)
>>
>> I run successfully 
>>
>>  ghc --make striplatex.hs 
>> where striplatex is just
>>
>> ,----
>> | import Text.Pandoc.JSON
>> |     
>> | main = toJSONFilter stripmath
>> |     where stripmath (Math _ _) = Str "FORMULA"
>> |           stripmath x = x
>> `----
>>
>> That nicely replaces all my mathematical formula, just by the word
>> FORMULA
>>
>> I tried the same under Mac 10.15. 
>>
>> For that I installed pandoc https://github.com/jgm/pandoc/releases/tag/2.13
>>
>> I install ghc using fink (that is one of the three linux like
>> environments (the others are macports and homebrew).
>>
>> However when I run 
>>
>>  ghc --make striplatex.hs 
>>
>> I obtain 
>>
>> Could not find module Text.Pandoc.JSON
>>
>> I admit I just started using a Mac and don't know many details.
>>
>> Any help would be appreciated 
>>
>> Thanks
>>
>> Uwe Brauer 
>>
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