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Re: mkoctfile urgently needs attention before Octave 3.6.0


From: Ben Abbott
Subject: Re: mkoctfile urgently needs attention before Octave 3.6.0
Date: Thu, 29 Dec 2011 15:29:55 -0500

On Dec 29, 2011, at 3:08 PM, Lukas Reichlin wrote:

> On 29.12.2011, at 20:54, c. wrote:
> 
>> Hi,
>> 
>> On 29 Dec 2011, at 19:00, address@hidden wrote:
>> 
>>> The only bug remaining is figuring out what linking flags you need on
>>> McIntosh OS 10, and why mkoctfile -p LAPACK_LIBS isn't producing those
>>> flags.
>> 
>> On my OSX 10.6.8 build of Octave, blas and lapack are provided via the 
>> vecLib 
>> framework which ships with the system and is auto detected by configure.
>> 
>> the outbut of of the configure script says:
>> 
>> BLAS libraries:              -framework vecLib
>> LAPACK libraries:            
>> 
>> while querying mkoctfile I get 
>> 
>> $ mkoctfile -p BLAS_LIBS
>> -framework vecLib
>> 
>> $ mkoctfile -p LAPACK_LIBS
>> 
>> $ 
>> 
>> So possibly the problem lies with the fact that both blas and lapack are 
>> linked using 
>> one flag only? 
>> 
>> 
>> I must admit that this incident is an argument in favor of Jordi's push 
>> toward better integration of Octave and Octave-Forge ...
>> 
>>> - Jordi G. H.
>> 
>> c.
> 
> 
> This is how it looks on my system:
> 
> ra:~ lukas$ port installed | grep octave
>  octave-devel @3.4.3_1+accelerate+fltk+gcc45
>  octave36 @3.5.91_0+atlas+fltk+gcc45
>  octave36 @3.5.91_0+accelerate+fltk+gcc45 (active)
> ra:~ lukas$ mkoctfile -p BLAS_LIBS
> -ldotwrp -framework Accelerate
> ra:~ lukas$ mkoctfile -p LAPACK_LIBS
> -framework Accelerate
> ra:~ lukas$ sudo port deactivate octave36 @3.5.91_0+accelerate+fltk+gcc45
> --->  Deactivating octave36 @3.5.91_0+accelerate+fltk+gcc45
> --->  Cleaning octave36
> ra:~ lukas$ sudo port activate octave36 @3.5.91_0+atlas+fltk+gcc45
> --->  Computing dependencies for octave36
> --->  Activating octave36 @3.5.91_0+atlas+fltk+gcc45
> --->  Cleaning octave36
> ra:~ lukas$ mkoctfile -p BLAS_LIBS
> -lcblas -lf77blas -latlas
> ra:~ lukas$ mkoctfile -p LAPACK_LIBS
> -llapack
> ra:~ lukas$ sudo port deactivate octave36 @3.5.91_0+atlas+fltk+gcc45
> --->  Deactivating octave36 @3.5.91_0+atlas+fltk+gcc45
> --->  Cleaning octave36
> ra:~ lukas$ sudo port activate octave-devel
> --->  Computing dependencies for octave-devel
> --->  Activating octave-devel @3.4.3_1+accelerate+fltk+gcc45
> --->  Cleaning octave-devel
> ra:~ lukas$ mkoctfile -p BLAS_LIBS
> -ldotwrp -framework Accelerate
> ra:~ lukas$ mkoctfile -p LAPACK_LIBS
> -framework Accelerate
> ra:~ lukas$ 
> 
> When I use the accelerate framework, it is linked twice, once from BLAS and 
> once from LAPACK. When I add both libraries to the developer makefiles
> 
>          "$(mkoctfile -p BLAS_LIBS)" \
>          "$(mkoctfile -p LAPACK_LIBS)"
> 
> I get the following error:
> 
> octave:1> makefile_chol
> mkoctfile: unrecognized argument -framework Accelerate
> octave:2> 
> 
> Looks like mkoctfile doesn't like duplicate arguments.
> 
> Lukas

Lukas,

If you email me the Portfile for octave36, I'll take a look.

Ben




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