[Haskell-beginners] Is working with Haskell easier on Linux than on a Mac?

[Ryan Trinkle]

Hi Jeffrey,

Haskell is what convinced me to switch to Linux (from Windows).  Since
then, I've occasionally worked with Haskell on OS X, and I've found it to
have more snags than working with Haskell on Linux.  Workarounds are
usually forthcoming though, since a substantial fraction of Haskell users
do use OS X.  Generally, there seems to be a bit more friction using
Haskell with OS X than with Linux, but it can definitely be overcome.  Of
course, Linux tends to have a bit more friction in dealing with the
hardware, especially Apple hardware.


Ryan

On Sun, Oct 19, 2014 at 4:13 PM, Jeffrey Brown <jeffbrown.the at gmail.com>
wrote:

> I have read that Haskell is easier to work with on Linux than on Windows.
> Is Haskell on Linux also easier than Haskell on OS X?
>
> I'm trying to do realtime OSC output from Haskell, because concurrency in
> Python is hard. Brandon Allbery on the haskell-cafe list, told me "chrt"
> and "sched_setscheduler" would be helpful. At the shell prompt I found that
> my system (OS X 10.9) does not recognize "chrt". I found a library on
> Hackage, "posix-realtime", that claims Mac compatibility and has a
> "sched_setscheduler" function, but my attempts to install it fail:
>
> sh-3.2# cabal install posix-realtime
> Resolving dependencies...
> Downloading unix-2.3.2.0...
> Configuring unix-2.3.2.0...
> Building unix-2.3.2.0...
> Failed to install unix-2.3.2.0
> Last 10 lines of the build log ( /var/root/.cabal/logs/unix-2.3.2.0.log ):
> Building unix-2.3.2.0...
> Preprocessing library unix-2.3.2.0...
>  dist/build/System/Posix/Signals.hs:124:10:
>  fatal error: 'Signals.h' file not found
> #include "Signals.h"
>  ^
> 1 error generated.
>
> Even if I found a solution to this particular problem, I'm worried I'll
> keep running into similar ones, because I'm sure I'll keep trying new
> packages. Would this kind of work be substantially easier if I were using,
> say, Linux Mint?
>
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