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You most likely updated GHC or something and so you have to
reinstall all the packages you get errors for first:<br>
<br>
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<pre>cabal install QuckCheck -reinstall --force-reinstalls
</pre>
<br>
<div class="moz-cite-prefix">Am 15.05.2015 um 09:10 schrieb Roelof
Wobben:<br>
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<div class="moz-cite-prefix">Another problem. <br>
<br>
I now see this output : <br>
<br>
<div>Preprocessing library digits-0.2... </div>
<div>[1 of 1] Compiling Data.Digits ( src/Data/Digits.hs, dist/build/Data/Digits.o ) </div>
<div>/usr/bin/ld: cannot find -lHSQuickCheck-2.8.1-ghc7.8.3 </div>
<div>/usr/bin/ld: cannot find -lHStf-random-0.5-ghc7.8.3 </div>
<div>/usr/bin/ld: cannot find -lHSprimitive-0.6-ghc7.8.3 </div>
<div>/usr/bin/ld: cannot find -lHStransformers-0.4.3.0-ghc7.8.3 </div>
<div>/usr/bin/ld: cannot find -lHSrandom-1.1-ghc7.8.3 </div>
<div>collect2: error: ld returned 1 exit status </div>
<div>Failed to install digits-0.2 </div>
<div>cabal: Error: some packages failed to install: </div>
<div>digits-0.2 failed during the building phase. The exception was: </div>
<div>ExitFailure 1 </div>
<div>codio@switch-grille:~/workspace$ ghc </div>
<div>ghc: no input files </div>
<div>Usage: For basic information, try the `--help' option. </div>
<div>codio@switch-grille:~/workspace$ ghc --version </div>
<div>The Glorious Glasgow Haskell Compilation System, version 7.8.3
<br>
<br>
Roelof<br>
<br>
</div>
<br>
<br>
<br>
Roelof Wobben schreef op 15-5-2015 om 9:08:<br>
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<div class="moz-cite-prefix">Thanks, <br>
<br>
And if I want to import it into my project , do I then do
import Data.Digits ?<br>
<br>
Roelof<br>
<br>
<br>
Alex Hammel schreef op 14-5-2015 om 23:25:<br>
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<blockquote
cite="mid:CA+_xFerd9dN-mWzurH96EDDQS2bqSJYV76cFdX74dZeG030HRw@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>`Data.Digits` is the name of the module. The name of
the package is `digits`. Therefore: $(cabal install
digits)<br>
<br>
</div>
`cabal` installs packages, which may contain many modules<br>
<div>
<div><br>
<div class="gmail_quote">On Thu, 14 May 2015 at 14:14
Roelof Wobben <<a moz-do-not-send="true"
href="mailto:r.wobben@home.nl" target="_blank">r.wobben@home.nl</a>>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,,<br>
<br>
I want to use the module Digits which according to
Hoogle is in Data.Digits<br>
<br>
But when I do cabal install Data.Digits I see this
error message :<br>
<br>
cabal install Data.Digits<br>
cabal: The file does not exist 'Data.Digits'<br>
<br>
What do I do wrong ?<br>
<br>
Roelof<br>
<br>
<br>
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