[Haskell] Re: Compile error in GHC HEAD revision - nobody responding to bug report

[Stepan Golosunov]

On Sun, Mar 19, 2006 at 08:42:17PM +0100, Sven Panne wrote:
> Am Dienstag, 14. März 2006 11:39 schrieb Simon Marlow:
> > Asfand Yar Qazi wrote:
> > > I filed a bug report for a compile error in the latest GHC build, but
> > > nobody has responded to it for 4 days.  I might as well try to fix it
> > > myself, but I'm just a functional programming and Haskell beginner.
> > >
> > > Here's the bug I filed:
> > > http://hackage.haskell.org/trac/ghc/ticket/715
> > >
> > > Here's what the output of GHC says:
> > >
> > > ------------------------------------------------------------------------
> > > ==fptools== make all -wr -f Makefile;
> > >  in /home/ayqazi/src/packages/ghc/ghc-build/libraries/OpenAL
> > > ------------------------------------------------------------------------
> > > ../../ghc/compiler/ghc-inplace -H32m -O -W -fno-warn-unused-matches
> > > -fwarn-unused-imports -Wall -fffi -Iinclude '-#include "HsOpenAL.h"' -cpp
> > > -DCALLCONV=ccall -ignore-package OpenAL   -package base  -package OpenGL
> > > -fgenerics -split-objs    -c Sound/OpenAL/ALC/Capture.hs -o
> > > Sound/OpenAL/ALC/Capture.o  -ohi Sound/OpenAL/ALC/Capture.hi
> > >
> > > Sound/OpenAL/ALC/Capture.hs:85:3:
> > >     Couldn't match expected type `NumSamples'
> > >            against inferred type `Sound.OpenAL.Config.ALCint'
> > >       Expected type: GettableStateVar NumSamples
> > >       Inferred type: GettableStateVar Sound.OpenAL.Config.ALCint
> > >     In the expression:
> > >         makeGettableStateVar $ (getInteger (Just device) CaptureSamples)
> > >     In the definition of `captureNumSamples':
> > >         captureNumSamples device
> > >                             = makeGettableStateVar $ (getInteger (Just
> > > device) CaptureSamples)
> > > make[2]: *** [Sound/OpenAL/ALC/Capture.o] Error 1
> > > make[1]: *** [all] Error 1
> > > make[1]: Leaving directory
> > > `/home/ayqazi/src/packages/ghc/ghc-build/libraries' make: *** [build]
> > > Error 1
> > > make: Leaving directory `/home/ayqazi/src/packages/ghc/ghc-build'
> >
> > Unless you need the OpenAL library, you could try configuring with
> > --disable-openal as a workaround.  I imagine the OpenAL maintainer will
> > get to this bug in due course.
> 
> Hmmm, this is strange: I've built GHC from the "official" darcs repository 
> yesterday without any problems. I'm having a look at what might be the 
> difference when I have all my tools back at the bleeding edge...

I always get this error if I try to build ghc 6.5 on Debian 3.1 without
--disable-openal --disable-alut. I guess it has to do with older version
of libopenal (it's 0.2004090900-1.1 here).