mawk should work. But Ubuntu 16.04 gave me lots of issues, especially with
the default g++-5.4.0 compiler and LTO, which I reported to the gcc
maintainers and are supposedly fixed in 5.5. The bugs didn't happen with
g++-4.9.x. So I advise you to upgrade to a more recent version of Ubuntu.
On Wed, Mar 21, 2018 at 3:22 PM, Sreyansh Jain <sreyanshjai...@gmail.com>
wrote:
> I've tried symlinking awk to both gawk(4.1.3) and mawk, but I still get
> the same error. I'm using Ubuntu 16.04.
>
> Also, I've made the changes in the proposal. Now that I'm aware roughly
> about the tasks to be done, I think it's better to stick to either one of
> BOT plate mode or BREP support. If time permits, I'll do the other. I'll do
> a bit of detailed background study in both cases to check which one should
> be plausible in the given time frame and update it 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 Wed, Mar 21, 2018 at 6:42 AM, Vasco Alexandre da Silva Costa <
> vasco.co...@gmail.com> wrote:
>
>> BTW, the build instructions, like mentioned in the INSTALL file would be
>> something like:
>>
>> cd to the brlcad sources directory (where the INSTALL file is)
>> $ mkdir build
>> $ cd build
>> $ cmake .. -DBRLCAD_BUNDLED_LIBS=ON -DCMAKE_BUILD_TYPE=Release
>> -DBRLCAD_ENABLE_OPENCL=ON
>> $ make
>>
>>
>> On Wed, Mar 21, 2018 at 12:56 AM, Vasco Alexandre da Silva Costa <
>> vasco.co...@gmail.com> wrote:
>>
>>> 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
>>>>>>>>
>>>>>>>>
>>>>>>> ------------------------------------------------------------
>>>>>>> ------------------
>>>>>>> Check out the vibrant tech community on one of the world's most
>>>>>>> engaging tech sites, Slashdot.org <http://slashdot.org/>! http://sd
>>>>>>> m.link/slashdot_______________________________________________
>>>>>>> BRL-CAD Developer mailing list
>>>>>>> brlcad-devel@lists.sourceforge.net
>>>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ------------------------------------------------------------
>>>>>>> ------------------
>>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------
>>>>>> ------------------
>>>>>> 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
>>>>>
>>>>>
>>>>
>>>> ------------------------------------------------------------
>>>> ------------------
>>>> 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
>>>
>>
>>
>>
>> --
>> 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
>>
>>
>
> ------------------------------------------------------------
> ------------------
> 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
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