That seems like a really strange error message. I would assume the
particular libpng configuration script depends on a version of awk
different than the one you have installed (probably gawk). On which
operating system are you trying to compile BRL-CAD?
On Tue, Mar 20, 2018 at 8:55 PM, Sreyansh Jain <sreyanshjai...@gmail.com>
wrote:
> Yes, I was able to configure the build with OpenCL library but I was stuck
> at compiling when the following error came:
>
> [ 5%] Generating pnglibconf.c
>> options.awk: bad line (10): com
>> CMake Error at scripts/gensrc.cmake:68 (message):
>> Failed to generate pnglibconf.tf5
>>
>> src/other/libpng/CMakeFiles/genfiles.dir/build.make:84: recipe for
>> target 'src/other/libpng/pnglibconf.c' failed
>> make[2]: *** [src/other/libpng/pnglibconf.c] Error 1
>> CMakeFiles/Makefile2:4019: recipe for target
>> 'src/other/libpng/CMakeFiles/genfiles.dir/all'
>> failed
>> make[1]: *** [src/other/libpng/CMakeFiles/genfiles.dir/all] Error 2
>> Makefile:160: recipe for target 'all' failed
>> make: *** [all] Error 2
>
>
> How do I proceed from here?
>
>
> Okay. Thank you for the review and guidance. I'll make those changes in
> the proposal accordingly.
>
>
> Warm Regards,
>
> *Sreyansh Kumhar Jain*
> 4th Year Undergraduate Student
> Department of Mechanical Engineering
> Indian Institute of Technology, Kharagpur
> *+91-9933958066 <+91%2099339%2058066>*
>
> sreyanshjai...@gmail.com
> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>
> On Tue, Mar 20, 2018 at 9:51 PM, Vasco Alexandre da Silva Costa <
> vasco.co...@gmail.com> wrote:
>
>> I've looked at the draft proposal. It seems a bit ambitious with regards
>> to timelines (e.g. DSP, PIPE, are non-trivial). But overall it seems to be
>> an interesting proposal. Make sure you submit patches as you go so it will
>> make it easier to integrate the code into the mainline tree. The
>> deliverables (i.e. code drops) need to be made clearer in the proposal
>> text. While I am assuming you'll make a patch per primitive that's isn't
>> clear. See:
>> https://google.github.io/gsocguides/student/writing-a-proposal
>>
>> Regards,
>>
>> On Tue, Mar 13, 2018 at 9:48 PM, Sreyansh Jain <sreyanshjai...@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I've submitted the patch file. Do let me know suggestions for that, if
>>> any. I'll share the rough initial draft of the proposal for your review and
>>> recommendation soon.
>>>
>>>
>>> Warm Regards,
>>>
>>> *Sreyansh Kumhar Jain*
>>> 4th Year Undergraduate Student
>>> Department of Mechanical Engineering
>>> Indian Institute of Technology, Kharagpur
>>> *+91-9933958066 <+91%2099339%2058066>*
>>>
>>> sreyanshjai...@gmail.com
>>> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
>>> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>>>
>>> On Tue, Mar 13, 2018 at 7:40 AM, Christopher Sean Morrison <
>>> brl...@mac.com> wrote:
>>>
>>>> Sreyansh,
>>>>
>>>> Before moving onto other primitives, please submit a patch file with
>>>> your changes (including any new files) and demonstrate the superell working
>>>> via OpenCL…
>>>>
>>>> You should definitely be drafting a proposal for review at this point.
>>>> Proposal submissions opened today.
>>>>
>>>> Cheers!
>>>> Sean
>>>>
>>>>
>>>> On Mar 12, 2018, at 5:50 PM, Sreyansh Jain <sreyanshjai...@gmail.com>
>>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Thank you so much for the detailed guidance. Having gone through all
>>>> the reference codes given, I've successfully ported the SUPERELL primitive
>>>> to OpenCL. I'll try to do the same for HYP and others as well before
>>>> the final application deadline. Should I proceed with drafting the
>>>> proposal for review or is there something else that needs to be done?
>>>>
>>>> Eagerly looking to your revert.
>>>>
>>>>
>>>> Warm Regards,
>>>>
>>>> *Sreyansh Kumhar Jain*
>>>> 4th Year Undergraduate Student
>>>> Department of Mechanical Engineering
>>>> Indian Institute of Technology, Kharagpur
>>>> *+91-9933958066 <+91%2099339%2058066>*
>>>>
>>>> sreyanshjai...@gmail.com
>>>> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
>>>> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>>>>
>>>> On Tue, Mar 6, 2018 at 10:56 PM, Vasco Alexandre da Silva Costa <
>>>> vasco.co...@gmail.com> wrote:
>>>>
>>>>> Hello!
>>>>> You can start by implementing one of the primitives which hasn't been
>>>>> ported over to OpenCL yet.
>>>>> There were a lot of issues with porting the HRT primitive last year,
>>>>> probably because of the solver, so I would advise you to try to port
>>>>> something simpler like either HYP or SUPERELL which shouldn't have any
>>>>> issues.
>>>>>
>>>>> There is a quick reference guide to BRL-CAD MGED commands and
>>>>> primitives here:
>>>>> http://brlcad.org/w/images/5/52/MGED_Quick_Reference_Card.pdf
>>>>>
>>>>> Here is a reference card for OpenCL 1.2 (what we currently use)
>>>>> commands and language constructs:
>>>>> https://www.khronos.org/files/opencl-1-2-quick-reference-card.pdf
>>>>>
>>>>> I code for BRL-CAD using the Linux operating system. The other
>>>>> developers typically use either that or Mac OS X.
>>>>> Make sure to setup your development environment and install OpenCL on
>>>>> your system. This program might be of help since it queries the installed
>>>>> OpenCL versions to determine the supported version, etc:
>>>>> https://github.com/simleb/clinfo
>>>>>
>>>>> You should provide a patch for that primitive (HYP or SUPERELL) before
>>>>> GSoC officially starts. It shouldn't be too hard to do since you can use
>>>>> one of the other already ported primitives (like ELL) as a template. You
>>>>> basically need to port the ray-primitive intersection (shot) code from C
>>>>> to
>>>>> OpenCL and to provide the glue code which packs and unpacks that primitive
>>>>> from the C side to the OpenCL side.
>>>>>
>>>>>
>>>>> I have a task list, of things to do, for the OpenCL ray tracer here:
>>>>> http://brlcad.org/wiki/User:Vasco.costa
>>>>>
>>>>> You can use this as a basis to write your actual proposal. Of the
>>>>> things in that todo list I would say that PIPE, DSP, BOT plate mode, and
>>>>> BREPs are the most significant.
>>>>>
>>>>> Before you write the proposal and allocate time for the tasks you
>>>>> should read the relevant code that you will have to port from ANSI C/C++
>>>>> to
>>>>> OpenCL to get an idea of the complexity of the tasks. Most of the relevant
>>>>> code is located in this code tree:
>>>>> https://svn.code.sf.net/p/brlcad/code/brlcad/trunk/src/librt
>>>>> /primitives/
>>>>>
>>>>> Regards,
>>>>>
>>>>> On Tue, Mar 6, 2018 at 4:28 PM, Sreyansh Jain <
>>>>> sreyanshjai...@gmail.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I'm new to the open source community but I'm well-versed with Python,
>>>>>> C and CUDA while a beginner in OpenCL. I went through the project ideas
>>>>>> list and I believe I can contribute to one on *GPGPU Raytracing*.
>>>>>> Can you guide me on how to start contributing to these as of now. I hope
>>>>>> I'm not that late.
>>>>>>
>>>>>>
>>>>>> Warm Regards,
>>>>>>
>>>>>> Sreyansh Kumhar Jain
>>>>>> 4th Year Undergraduate
>>>>>> IIT Kharagpur
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------
>>>>>> ------------------
>>>>>> Check out the vibrant tech community on one of the world's most
>>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>>> _______________________________________________
>>>>>> BRL-CAD Developer mailing list
>>>>>> brlcad-devel@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Vasco Alexandre da Silva Costa
>>>>> PhD in Computer Engineering (Computer Graphics)
>>>>> Instituto Superior Técnico/University of Lisbon, Portugal
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------
>>>>> Check out the vibrant tech community on one of the world's most
>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>> _______________________________________________
>>>>> BRL-CAD Developer mailing list
>>>>> brlcad-devel@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>
>>>>>
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>>>>
>>>>
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>>>>
>>>
>>> ------------------------------------------------------------
>>> ------------------
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>>>
>>
>>
>> --
>> Vasco Alexandre da Silva Costa
>> PhD in Computer Engineering (Computer Graphics)
>> Instituto Superior Técnico/University of Lisbon, Portugal
>>
>> ------------------------------------------------------------
>> ------------------
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>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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>>
>>
>
> ------------------------------------------------------------
> ------------------
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> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>
>
--
Vasco Alexandre da Silva Costa
PhD in Computer Engineering (Computer Graphics)
Instituto Superior Técnico/University of Lisbon, Portugal
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