[vtkusers] Need Help Compiling VTK on OS X With Python Wrappers and a Local Python Installation
Darren Weber
darren.weber.lists at gmail.com
Thu Feb 18 14:24:41 EST 2010
I have a little experience of the transition from Linux to OSX (not by
choice - Ubuntu is easier for me).
In general, OSX is a different beast from Linux, under the hood. It may
help to learn a little about the Mach-Object format, including the dynamic
library system (this probably applies to both BSD-Darwin and OSX, so the
learning is not entirely specific to OSX).
This link is a short useful pointer on how to inspect and modify .dylib
files:
http://qin.laya.com/tech_coding_help/dylib_linking.html
The gory details:
http://developer.apple.com/mac/library/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html
Very general refs to OSX dev
http://developer.apple.com/mac/library/navigation/index.html
Best,
Darren
On Wed, Feb 17, 2010 at 3:35 PM, Darren Weber
<darren.weber.lists at gmail.com>wrote:
>
> I've put together some notes on my efforts to create a MacPorts port for
> ITK, see
> http://www.cmake.org/Wiki/ITK_MacPorts_Package_Maintainers
>
> In a way, those notes will also apply to the vtk-devel port (I should make
> a wiki page for vtk-devel). For vtk-devel, the Portfile is here
>
> http://svn.macosforge.org/repository/macports/trunk/dports/graphics/vtk-devel/Portfile
>
> It's a lot to ask that you might learn something from reading this, but
> there are some sections in the Portfile that might be helpful. Look at the
> configure.args section to get an idea of how I setup cmake for the MacPorts
> configuration. (Note that these arguments are changed in the 'variants'
> sections.)
>
> For python stuff, go down to the section on wrapping and look at the py25
> variant and the functions that it calls, esp. pyPostDestroot. The python
> wrapping required a lot of tweaks to get all the library links right, when
> using shared libs (dylib on OSX). Also look at the setPython function,
> because you could hack that to provide a custom python path for the
> wrapping.
>
> It's not easy, but I hope that helps a little,
> Darren
>
>
>
> On Fri, Jan 29, 2010 at 5:12 AM, Smith, Mark E CTR USAF AFMC AEDC/ATA <
> Mark.E.Smith at arnold.af.mil> wrote:
>
>> Thanks for the info Darren. I have given up the attempt to build and
>> install using the approach that I was attempting. I generally use Linux
>> platforms for development, but I also have a Mac and I was attempting to
>> build the same infrastructure on the Mac as I have on the Linux machines.
>>
>> I did not know that macports software could be installed in an alternate
>> directory. I will look into it. However, I want to use my local Python
>> installation, and that is where I have had difficulty.
>>
>> -----Original Message-----
>> From: Darren Weber [mailto:darren.weber.lists at gmail.com]
>> Sent: Thursday, January 28, 2010 2:09 PM
>> To: Berk Geveci
>> Cc: David Gobbi; Smith, Mark E CTR USAF AFMC AEDC/ATA; vtkusers at vtk.org
>> Subject: Re: [vtkusers] Need Help Compiling VTK on OS X With Python
>> Wrappers and a Local Python Installation
>>
>>
>> You might try using macports without a root installation path. The
>> default path is /opt/local/, but that can be changed. There may be some
>> ports that contain instructions that require root access (perhaps apache,
>> mysql, postgresql, etc. have system init scripts that require root access).
>>
>> Seems to me that your swimming a little too hard against the tide, esp.
>> with .so libs on OSX/Darwin. How about you lighten your work load by asking
>> your sys admin to install all your libraries? How about running your own
>> system with root access (try Ubuntu)?
>>
>> Take care,
>> Darren
>>
>>
>>
>>
>> On Tue, Dec 22, 2009 at 10:27 AM, Berk Geveci <berk.geveci at kitware.com>
>> wrote:
>>
>>
>> Same here. I have no idea how to build Python such that it
>> generates
>> .so libraries rather than .dylib. Even things like MacPorts, which
>> are
>> very Unixy, generate dylibs. I know for sure that there is no way
>> of
>> generating VTK libraries as .sos (Python modules on the other hand
>> have the .so extension).
>>
>> -berk
>>
>>
>> On Mon, Dec 21, 2009 at 5:58 PM, David Gobbi <
>> david.gobbi at gmail.com> wrote:
>> > Well, ya got me then. Even when I build 3rd party unix
>> non-framework
>> > stuff on the Mac, including python, I still get dylibs. I didn't
>> know
>> > the mac loader would even recognize .so libraries.
>> >
>> > David
>> >
>> >
>> > On Mon, Dec 21, 2009 at 3:36 PM, Smith, Mark E CTR USAF AFMC
>> AEDC/ATA
>> > <Mark.E.Smith at arnold.af.mil> wrote:
>> >> Except that when I built my local python installation I built it
>> for a
>> >> unix platform using .so libraries. No frameworks. No dylibs.
>> >>
>> >> I think what I want is vtk built the same way, that is, for a
>> unix
>> >> platform.
>> >>
>> >> -----Original Message-----
>> >> From: David Gobbi [mailto:david.gobbi at gmail.com]
>> >> Sent: Monday, December 21, 2009 4:09 PM
>> >> To: Smith, Mark E CTR USAF AFMC AEDC/ATA
>> >> Cc: Berk Geveci; vtkusers at vtk.org
>> >> Subject: Re: [vtkusers] Need Help Compiling VTK on OS X With
>> Python
>> >> Wrappers and a Local Python Installation
>> >>
>> >> Hi Mark,
>> >>
>> >> You're very close. You need to set the PYTHON_LIBRARY variable
>> like so:
>> >>
>> >> /System/Library/Frameworks/Python.framework/Python
>> >>
>> >> Or like so:
>> >>
>> >> /System/Library/Frameworks/Python.framework/Versions/2.5/Python
>> >>
>> >> Of course using the correct path to your own python framework.
>> >>
>> >> David
>> >>
>> >>
>> >> On Mon, Dec 21, 2009 at 2:45 PM, Smith, Mark E CTR USAF AFMC
>> AEDC/ATA
>> >> <Mark.E.Smith at arnold.af.mil> wrote:
>> >>> Yes, but the build process complains that it wants a file and
>> not a
>> >>> directory (at least on the PYTHON_LIBRARY setting). But since
>> the
>> >>> default just points to the framework directory I cannot tell
>> what is
>> >> the
>> >>> correct thing to put here.
>> >>>
>> >>> -----Original Message-----
>> >>> From: Berk Geveci [mailto:berk.geveci at kitware.com]
>> >>> Sent: Monday, December 21, 2009 3:29 PM
>> >>> To: Smith, Mark E CTR USAF AFMC AEDC/ATA
>> >>> Cc: vtkusers at vtk.org
>> >>> Subject: Re: [vtkusers] Need Help Compiling VTK on OS X With
>> Python
>> >>> Wrappers and a Local Python Installation
>> >>>
>> >>> Did you try setting PYTHON_INCLUDE_DIR and PYTHON_LIBRARY to
>> point to
>> >>> your Python build? Note that these are advanced settings so you
>> will
>> >>> have to turn on advanced mode in CMake.
>> >>>
>> >>> On Mon, Dec 21, 2009 at 2:14 PM, Smith, Mark E CTR USAF AFMC
>> AEDC/ATA
>> >>> <Mark.E.Smith at arnold.af.mil> wrote:
>> >>>> I suspect that this question has been answered, but so for I
>> have not
>> >>>> been able to find the answer. I want to build and install VTK
>> with
>> >>>> Python wrappers on OS X. I must install VTK locally since I do
>> not
>> >>> have
>> >>>> root access. I have a local installation of Python. When I
>> build VTK
>> >>> the
>> >>>> system installation of Python and the libraries in the Python
>> >>> framework
>> >>>> are used. Thus, when I run my local python and attempt to
>> import vtk
>> >> I
>> >>>> get an error like below.
>> >>>>
>> >>>> Fatal Python error: Interpreter not initialized (version
>> mismatch?)
>> >>>>
>> >>>> I have LD_LIBRARY_PATH and DYLD_LIBRARY_PATH set to the path
>> where my
>> >>>> local Python libraries exist. I have my path set to pickup my
>> local
>> >>>> python executable and that is what is reported when I
>> configure with
>> >>>> ccmake. My local python installation does not have frameworks
>> or
>> >> dylib
>> >>>> files. I am using VTK 5.4.2. Any suggestions how to solve this
>> >>> problem?
>> >>>>
>> >>>> Thanks
>> >>>> _______________________________________________
>> >>>> Powered by www.kitware.com
>> >>>>
>> >>>> Visit other Kitware open-source projects at
>> >>> http://www.kitware.com/opensource/opensource.html
>> >>>>
>> >>>> Please keep messages on-topic and check the VTK FAQ at:
>> >>> http://www.vtk.org/Wiki/VTK_FAQ
>> >>>>
>> >>>> Follow this link to subscribe/unsubscribe:
>> >>>> http://www.vtk.org/mailman/listinfo/vtkusers
>> >>>>
>> >>> _______________________________________________
>> >>> Powered by www.kitware.com
>> >>>
>> >>> Visit other Kitware open-source projects at
>> >> http://www.kitware.com/opensource/opensource.html
>> >>>
>> >>> Please keep messages on-topic and check the VTK FAQ at:
>> >> http://www.vtk.org/Wiki/VTK_FAQ
>> >>>
>> >>> Follow this link to subscribe/unsubscribe:
>> >>> http://www.vtk.org/mailman/listinfo/vtkusers
>> >>>
>> >>
>> >
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>>
>>
>>
>
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