octave-linear-algebra config error

[Marius Schamschula]

Mark,

/path/to/liblapack.dylib was meant to be a placeholder for the library. In your case you have

/opt/local/lib/liblapack.a

So try 

nm  /opt/local/lib/liblapack.a  | grep dggsvd

> On Apr 23, 2018, at 10:29 AM, Mark Brethen <mark.brethen at gmail.com> wrote:
> 
> brethen-air:~ marbre$ port contents atlas | grep liblapack
>   /opt/local/lib/liblapack.a
> 
> brethen-air:~ marbre$ nm /path/to/liblapack.dylib | grep dggsvd
> /opt/local/libexec/llvm-5.0/bin/llvm-nm: /path/to/liblapack.dylib: No such file or directory.
> 
> There’s your answer.
> 
> Mark Brethen
> mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>
> 
> 
> 
>> On Apr 23, 2018, at 10:19 AM, Marius Schamschula <lists at schamschula.com <mailto:lists at schamschula.com>> wrote:
>> 
>> Mark,
>> 
>> I think it does, but for some reason there are missing symbols.
>> 
>> What does 
>> 
>> port contents atlas | grep liblapack
>> 
>> give you?
>> 
>> If you run
>> 
>> nm /path/to/liblapack.dylib | grep dggsvd
>> 
>> We can see if the symbol is there, but if we have a linking issue, or if it is missing altogether.
>> 
>>> On Apr 23, 2018, at 9:31 AM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
>>> 
>>> I think atlas is providing liblapack, which in my case was built using gcc5.
>>> 
>>> Sent from my iPhone
>>> 
>>> On Apr 23, 2018, at 5:51 AM, Marius Schamschula <lists at schamschula.com <mailto:lists at schamschula.com>> wrote:
>>> 
>>>> Mark,
>>>> 
>>>> I get no such issue when building octave-linear-algebra against octave with the Accelerate Framework under High Sierra. The symbols seem to be missing from the liblapack.dylib you are linking against.
>>>> 
>>>>> On Apr 22, 2018, at 8:53 PM, Mark Brethen <mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>> wrote:
>>>>> 
>>>>> I’m getting the following error for octave-linear-algebra during config:
>>>>> 
>>>>> :info:configure /usr/bin/arch -arch x86_64 /opt/local/bin/mkoctfile-4.2.2 --verbose -DHAVE_OCTAVE_42 -v -DHAVE_CONFIG_H -Wall gsvd.o dbleGSVD.o CmplxGSVD.o  -o gsvd.oct 
>>>>> :info:configure /usr/bin/clang++ -std=gnu++11 -I/opt/local/include/octave-4.2.2/octave/.. -I/opt/local/include/octave-4.2.2/octave -I/opt/local/include  -D_THREAD_SAFE -pthread -pipe -Os -std=c++11 -stdlib=libc++ -arch x86_64 -bundle -bundle_loader /opt/local/bin/octave-4.2.2  -Wall -o gsvd.oct  gsvd.o dbleGSVD.o CmplxGSVD.o   -L/opt/local/lib/octave/4.2.2 -L/opt/local/lib  -L/opt/local/lib -lsatlas -loctinterp -loctave  
>>>>> :info:configure clang: warning: argument unused during compilation: '-pthread'
>>>>> :info:configure Undefined symbols for architecture x86_64:
>>>>> :info:configure   "_dggsvd_", referenced from:
>>>>> :info:configure       GSVD::init(Matrix const&, Matrix const&, GSVD::type) in dbleGSVD.o
>>>>> :info:configure   "_zggsvd_", referenced from:
>>>>> :info:configure       ComplexGSVD::init(ComplexMatrix const&, ComplexMatrix const&, GSVD::type) in CmplxGSVD.o
>>>>> :info:configure ld: symbol(s) not found for architecture x86_64
>>>>> :info:configure clang: error: linker command failed with exit code 1 (use -v to see invocation)
>>>>> :info:configure make: *** [gsvd.oct] Error 1
>>>>> 
>>>>> My setup is:
>>>>> OS 10.11.6
>>>>> MacPorts  2.4.3
>>>>> arpack -accelerate+atlas-gfortran+gcc5
>>>>> atlas +gcc5
>>>>> octave -accelerate+atlas
>>>>> 
>>>>> 
>>>>> Mark Brethen
>>>>> mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>
>>>>> 
>>>>> 
>>>>> 
>>>> 
>>>> Marius
>>>> --
>>>> Marius Schamschula
>>>> 
>>>> 
>>>> 
>>>> 
>> 
>> Marius
>> --
>> Marius Schamschula
>> 
>> 
>> 
> 



Marius
--
Marius Schamschula



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