Re: how to make mexbiosig work on mxe-octave

[Alois Schlögl]

On 5/3/19 5:48 PM, JohnD wrote:
>
>> -----Original Message-----
>> From: Alois Schlögl [mailto:address@hidden
>> Sent: Friday, May 03, 2019 11:22 AM
>> To: JohnD; address@hidden
>> Subject: Re: how to make mexbiosig work on mxe-octave
>>
>> On 01.05.19 22:12, JohnD wrote:
>>>> ------------------------------
>>>>
>>>> Message: 2
>>>> Date: Wed, 1 May 2019 01:20:49 +0200
>>>> From: Alois Schl?gl <address@hidden>
>>>> To: <address@hidden>
>>>> Subject: how to make mexbiosig work on mxe-octave
>>>> Message-ID: <3780f755-22ea-4001-b7c8-
>> address@hidden>
>>>> Content-Type: text/plain; charset="utf-8"
>>>>
>>>>
>>>> Dear maintainers of MXE-OCTAVE,
>>>>
>>>>
>>>> mexbiosig [1] is a mex-file for loading about 50 different Biosig
>>>> data formats [2] into octave. mexbiosig can than be installed in octave 
>>>> with
>> ?
>>>>     pkg install mexbiosig-X.Y.Z.src.tar.gz
>>>>
>>>> but requires that? libbiosig [1] is available on the host platform.
>>>> libbiosig for windows can be compiled with mxe [3,4,5]. I tried to
>>>> compile libbiosig within mxe-octave. However, this was not successful
>>>> (I just copied src/libbiosig.mk from [5] into a recent mxe-octave
>>>> directory and tried to run "make libbiosig" in the same way as I used to 
>>>> this
>> mxe.
>>>> It fails with the message "make: *** No rule to make target
>>>> 'libbiosig'.? Stop."
>>>>
>>>> Therefore, I'm asking:
>>>>
>>>> 1) how to compile libbiosig within mxe-octave ? What do I miss here ?
>>>>
>>>> 2) would you consider including libbiosig into the official
>>>> mxe-octave repository ? What is needed to include this in Octave for
>> windows ?
>>>> The procedure to install mexbiosig in Octave is working fine on?
>>>> Linux and macOS through homebrew. It would be great if mexbiosig
>>>> could be also provided to Octave users on Windows. Could you help me with
>> that ?
>>>>
>>>> Best regards,
>>>>
>>>> ? Alois
>>>>
>>>>
>>>>
>>>> [1] http://biosig.sourceforge.net/download.html
>>>>
>>>> [2] http://pub.ist.ac.at/~schloegl/biosig/TESTED
>>>>
>>>> [3] https://mxe.cc/
>>>>
>>>> [4] https://github.com/schloegl/mxe
>>>>
>>>> [5] https://github.com/schloegl/mxe/blob/master/src/libbiosig.mk
>>>>
>>>>
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>>>
>>> Looks like from biosig4c++, you should be running make -f
>>> Makefile.win32 It currently fails in the build though with error:
>>> conflicting types for 'sopen'
>>>
>>
>> Dear John,
>>
>>
>> Yes, it's possible to cross-compile libbiosig on linux for windows.
>> Usually, I do this with mxe.
>>    git clone https://github.com/schloegl/mxe.git
>>    cd mxe
>>    make libbiosig
>>
>> The approach if "make -f Makefile.win32" is not supported anymore, but should
>> be replaced with something like
>>     TARGET=$(TARGET) CROSS=$(TARGET) make libbiosig
>>
>> Currently, I'm trying with the attached makefile which I put into
>>     mxe-octave/src/libbiosig.mk
>> and apply to attached patch
>>
>> When trying to run
>>     mxe-octave$ make libbiosig
>> it does not do much. Any idea what else is needed ?
>>
>>
>> Best, Alois
>>
>>
>>
>>
> Im assuming you ran configure in the mxe-octave directory and its not issues 
> with that.

I was not aware about the need to run configure (thanks for the hint).

And yes is does not show any issues.


>
> Mxe-octave was based on an older version of mxe, where I believe there was 
> only a PKG_BUILD target being called, so you need to create a section for:
>
> define $(PKG)_BUILD
> endef
>
> and in it call the correct target build
>
>
> Some of the dependencies you have haven't been built in a long time, so may 
> be rather out of date, or no longer compile in mxe-octave, but I guess you 
> will find that out soon enough if that’s the case.


The attached patches and make file compiles libbiosig v1.9.4 . I had to
disable dicom waveform support, but libbiosig will still be quite useful.

Could you include these in mxe-octave ?


Cheers,

   Alois

libbiosig-0002-disable-dcmtk.patch
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libbiosig-0001-mxe-octave.patch
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libbiosig.mk
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