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

Long ago (2007?) I switched from Linux to Mac because I could not figure out how to do music on Linux -- in particular I remember audio interfaces were particularly difficult to configure -- and on the Mac everything "just worked". As my toolset diverges from the standard Mac audio rigs, though, that it "just works" seems to become less and less true. I've got XCode and the command line tools installed already. Installing those certainly solved some problems, but alas not all of them. On Sun, Oct 19, 2014 at 5:25 PM, Michael Martin wrote:

As a Linux bigot myself, I'd say go with Linux. However, if you are more comfortable with OS X, I'm gonna guess that installing X Code (or whatever the compiler package is called these days) ought to make this one particular problem (header file not found) go away.

On 10/19/2014 03:51 PM, Jeffrey Brown wrote:

Thanks, Ryan!

On Sun, Oct 19, 2014 at 1:22 PM, Ryan Trinkle wrote:

...

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 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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