[Bf-cycles] OSL branch and static libraries

[Lukas Tönne]

Can only guess: wrong LLVM_VERSION setting maybe?

Could you paste and link your CMakeCache.txt?


On Sun, Oct 7, 2012 at 12:06 AM, Thomas Dinges <blender at dingto.org> wrote:
> Hey Lukas,
>
> I am on Ubuntu 12.04, x64 inside of VirtualBox.
>
> Downloaded our RB-1.2 branch, llvm3.1 from llvm.org (Clang Binaries for
> Ubuntu-12.04/x86_64) and Blender trunk.
> OSL compile itself was fine, I only had to give cmake LLVM_LIBRARY
> ("libLLVMCore.a") manually.
>
> Now Blender compile runs mostly smooth, but in the end I get an error:
> [100%] [100%] make[3]: *** Keine Regel vorhanden, um das Target
> »/home/thomas/blender_dev/trunk/lib/linux64/llvm/lib/libLLVMIntelJITEvents.a«,
>
>    benötigt von »bin/blender«, zu erstellen.  Schluss.
>
> I don't have an "libLLVMIntelJITEvents.a" though. Any ideas?
>
> Regards,
> Thomas
>
> Am 06.10.2012 19:20, schrieb Lukas Tönne:
>> Hi,
>>
>> Just a quick note:
>> We have added a github branch to collect and organize all the little
>> fixes we made for building OSL:
>>
>> https://github.com/DingTo/OpenShadingLanguage/tree/blender-fixes
>>
>> Note that this is based on OSL master, for the officially used 1.2
>> version these changes have been backported:
>>
>> https://github.com/DingTo/OpenShadingLanguage/tree/RB-1.2
>>
>> The changes mostly concern CMake build files. I managed to get nicely
>> working static (!) OSL libraries with this on linux. OSX should also
>> be almost working, please let me know if you would like have further
>> fixes included. Windows i have no idea, but feel free to try ;)
>>
>> == Further instructions ==
>>
>> Basically you can follow instructions on this page for building boost
>> and OIIO (shared OIIO build is not needed for static OSL though):
>> http://wiki.blender.org/index.php/User:DingTo/OpenShadingLanguage/Compile
>>
>> = For building OSL itself as static lib: =
>> 1) Make sure the environment variables are registered as usual:
>>
>> OPENIMAGEIOHOME (path to oiio libraries)
>> BOOST_ROOT (path to boost libraries)
>> LLVM_VERSION (example: 3.1)
>> LLVM_DIRECTORY (path to llvm)
>>
>> 2) Set the following options in OSL cmake:
>> BUILDSTATIC=ON
>> LINKSTATIC=ON
>> BUILD_TESTING=OFF (test files need an update, just disable for now)
>>
>> Other changes from the wiki page are not required, these have been
>> incorporated in the branch.
>>
>> = For building Blender with static OSL: =
>>
>> 1) Set the following CMake options:
>> CYCLES_OSL=ON
>> WITH_LLVM=ON
>>
>> After updating cmake you will currently have to change some options
>> again (this is a bit stupid, will be fixed):
>> 2) Set these to same values as in OSL:
>> LLVM_VERSION
>> LLVM_DIRECTORY
>>
>> Then run cmake update again and build as usual.
>>
>> We will update the wiki page as soon as the build procedure has been
>> cleaned up and everything has been confirmed working. Hopefully the
>> OSL fixes can then be merged upstream asap and we can switch to a new
>> OSL release version.
>>
>> Cheers,
>> Lukas Tönne
>> _______________________________________________
>> Bf-cycles mailing list
>> Bf-cycles at blender.org
>> http://lists.blender.org/mailman/listinfo/bf-cycles
>
>
> --
> Thomas Dinges
> Blender Developer, Artist and Musician
>
> www.dingto.org
>
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