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List:       subversion-dev
Subject:    Re: swig and bindings for 1.2
From:       John Lenz <lenz () cs ! wisc ! edu>
Date:       2005-03-31 21:50:03
Message-ID: 1112305803l.5661l.0l () hydra
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On 03/31/05 05:08:24, Max Bowsher wrote:
> John Lenz wrote:
>> On 03/28/05 04:16:54, Max Bowsher wrote:
>>> John Lenz wrote:
>>>> Secondly, to support building subversion without SWIG installed, you  
>>>> can
>>>> look for a folder named SWIG or SWIG-version inside the subversion
>>>> directory, run ./configure && make, and then run SWIG/preinst-swig to
>>>> generate the wrappers (and run preinst-swig to create the swigpyrun.h
>>>> file).
>>> 
>>> In the interests of keeping the size of our source tarball down, I'd
>>> rather require that the release manager have swig installed, and just
>>> include the pregenerated files in the final tarball.
>>> 
>> 
>> I don't think you understand correctly... SWIG source itself would not be
>> included in the tarball, just the generated files.
> 
> Oh, I do understand that.
> 
> I'm just saying that the release manager and developers should probably  
> just install SWIG normally, rather than teaching Subversion to build  
> SWIG, and rebuilding it every time it is needed.
> 

Ok whatever.

And if you don't want to limit support to only 1.3.25 (I see the 1.2  
release process is starting, I thought it was a little further away), you  
can do something like this in the makefile.  I would say 1.2 should support  
1.3.24 and above, with something like the following in the Makefile

SWIGLIBDIR=`$(SWIG) -swiglib`

subversion/bindings/swig/python/libsvn_swig_py/swigpyrun.h:
	$(SWIG) -python -external-runtime path/swigpyrun.h || \
	( cat $(SWIGLIBDIR)/swigrun.swg > path/swigpyrun.h && \
	  cat $(SWIGLIBDIR)/python/pyrun.swg >> path/swigpyrun.h && \
	  cat $(SWIGLIBDIR)/runtime.swg >> path/swigpyrun.h; )

and then have the swigutil_py.c file include swigpyrun.h and have
the make dist depend on swigpyrun.h and all the _wrap.cxx files.  Then you  
just need to include swigpyrun.h and all the _wrap.cxx files in the  
tarball.  Notice then you don't need to have the swiglabels.swg file, since  
the cats will only run with 1.3.24.

John


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