[Haskell-cafe] hmatrix, Windows and GCC

[Alberto Ruiz]

Hi,

allan wrote:
> Hi
> 
> The INSTALL file in the hmatrix repository has some very clear 
> instructions for installation on Windows.
> http://perception.inf.um.es/~aruiz/darcs/hmatrix/INSTALL
> 
> However note this section at the bottom:
> "Unfortunately the lapack dll supplied by the R system does not include
> zgels_, zgelss_, and zgees_, so the functions depending on them
> (linearSolveLS, linearSolveSVD, and schur for complex data)
> will produce a "non supported in this OS" runtime error."

Note also the next sentence:

"If you find an alternative free and complete lapack.dll which works 
well for this system please let me know."

Perhaps some Windows expert can give advice on the required dll's for 
Haskell programs using LAPACK in Windows.

Thanks,

Alberto

> 
> Of course linearSolve is exactly what you will be wanting so this won't 
> work for you.
> I ran into exactly this problem myself. I actually didn't get as far as 
> a run-time error as I got a linker error.
> 
> I don't have any solution for you though, sorry.

> 
> regards
> allan
> 
> 
> 
> Rafael Gustavo da Cunha Pereira Pinto wrote:
>>
>>
>>    Hi all,
>>
>> I am writing a program that uses hmatrix for solving some linear 
>> systems. The hmatrix package depends on BLAS, which, in turn, depend 
>> on GCC 4.2 to be built (at least ATLAS does).
>>
>> GHC 6.10 for Windows is pre-packaged with GCC 3.4.5, and it leaves me 
>> with the impression that I would have incompatible ABIs.
>>
>> My questions:
>>
>> 1) Why GHC 6.10 still uses GCC 3.4.5 in Windows? I know mingw 
>> considers GCC 4.2 to be alpha, but, lets face it, 4.2 is almost obsolete!
>> 2) Is it possible to rebuild GHC 6.10, using Windows and GCC 4.2? Is 
>> there any guide for doing this?
>> 3) Has any of you tried hmatrix on Windows? How did you do it?
>>
>> Thanks,
>>
>> Rafael
>>
>> -- 
>> Rafael Gustavo da Cunha Pereira Pinto
>> Electronic Engineer, MSc.
>>
>>
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>>
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> 
> 
>