[Haskell-cafe] ANNOUNCE: A Levenberg-Marquardt implementation

[Xiao-Yong Jin]

Khudyakov Alexey <alexey.skladnoy at gmail.com> writes:

> В сообщении от Четверг 10 сентября 2009 17:21:40 автор Bas van Dijk написал:
>> We like to announce the release of a Haskell binding to Manolis
>> Lourakis's C levmar library
>
> bindings-levmar fails to configure on debian  testing with following message:
>
>  $ cabal install bindings-levmar
> Resolving dependencies...
> Configuring bindings-levmar-0.1...
> cabal: The pkg-config package lapack is required but it could not be found.
> cabal: Error: some packages failed to install:
> bindings-levmar-0.1 failed during the configure step. The exception was:
> exit: ExitFailure 1
>
>
> Following lapack packages are installed
>> ii  liblapack-dev                             3.2.1-1
>> ii  liblapack3gf                              3.2.1-1
>
> It seems that debian doesn't provide file `lapack.pc'. So pkg-config fails.

I believe most of the linux distributions do not have
`lapack.pc', if you install certain implementation of lapack
like the one provided by netlib.org, or the one with
`ATLAS', or the one provided by intel mkl.  So, using such
pkgconfig file is rather useless.  A configure system like
the one used in `hmatrix' should be used to actually adapt
various kinds of systems.

- jxy

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