[Bf-committers] Clang errors when compiling the Cycles CUDA kernel in Blender

[Piotr Arłukowicz]

Dear Brecht,

where can I find more such tricks? Are they documented somewhere? I mean,
in relation to better utilize Cycles power in Blender.

best regards
Piotr


2014-02-10 21:06 GMT+01:00 Brecht Van Lommel <brechtvanlommel at pandora.be>:

> It should possible to change the CUDA_NVCC_EXECUTABLE variable and add
>  "-ccbin=/usr/bin/llvm-gcc-4.2".
>
> On Mon, Feb 10, 2014 at 7:28 PM, Sen Haerens <sen at senhaerens.be> wrote:
> > The kernel compilation succeeded by adding "-ccbin=/usr/bin/llvm-gcc-4.2"
> > argument to nvcc and running manually.
> > Could this be specified somewhere in cmake?
> >
> > It appears to be an issue in Mountain Lion (10.8.5).
> >
> https://devtalk.nvidia.com/default/topic/608127/clang-error-on-os-x-10-8-5-samples-/
> >
> >
> >
> > On Mon, Feb 10, 2014 at 6:33 PM, Sen Haerens <sen at senhaerens.be> wrote:
> >
> >> Hi,
> >>
> >> I'm getting the following Clang errors when trying to compile the Cycles
> >> CUDA kernel in Blender.
> >>
> >> Read new prefs: /Users/sen/Library/Application
> >> Support/Blender/2.69/config/userpref.blend
> >> found bundled python:
> >>
> /Users/sen/Documents/Sources/blender_master/cmake/bin/blender.app/Contents/MacOS/2.69/python
> >> Compiling CUDA kernel ...
> >> "/Developer/NVIDIA/CUDA-5.0/bin/nvcc" -arch=sm_21 -m64 --cubin
> >>
> "/Users/sen/Documents/Sources/blender_master/cmake/bin/blender.app/Contents/MacOS/2.69/scripts/addons/cycles/kernel/
> >> kernel.cu" -o "/Users/sen/Library/Application
> >>
> Support/Blender/2.69/cache/cycles_kernel_sm21_AB7D0ABB4691DC942DE6785DC3C9ADD1.cubin"
> >> --ptxas-options="-v" --maxrregcount=32 --use_fast_math
> >>
> -I"/Users/sen/Documents/Sources/blender_master/cmake/bin/blender.app/Contents/MacOS/2.69/scripts/addons/cycles/kernel"
> >> -DNVCC -D__KERNEL_CUDA_VERSION__=50
> >> clang: error: unsupported option '-dumpspecs'
> >> clang: error: no input files
> >> CUDA kernel compilation failed, see console for details.
> >>
> >> These are my build specs:
> >>
> >> Blender 2.69 (sub 10)
> >> build date: 2014-02-10
> >> build time: 18:04:36
> >> build commit date: 2014-02-10
> >>  build commit time: 16:45
> >> build hash: d2b5f0f
> >> build platform: Darwin
> >>  build type: Release
> >> build c flags:  -Wall -Werror=declaration-after-statement
> >> -Werror=implicit-function-declaration -Werror=return-type
> >> -Wno-tautological-compare -Wno-unknown-pragmas -Wno-char-subscripts
> >> -Wstrict-prototypes -Wmissing-prototypes -Wunused-parameter
> >>  -mmacosx-version-min=10.6  -msse2  -msse -pipe -funsigned-char
> >>  build c++ flags:  -Wall -Wno-tautological-compare -Wno-unknown-pragmas
> >> -Wno-char-subscripts -Wno-overloaded-virtual -Wno-sign-compare
> >> -Wno-invalid-offsetof  -mmacosx-version-min=10.6 -ftemplate-depth=1024
> >>  -msse2  -msse -pipe -funsigned-char
> >>  build link flags: -fexceptions -framework CoreServices -framework
> >> Foundation -framework IOKit -framework AppKit -framework Cocoa
> -framework
> >> Carbon -framework AudioUnit -framework AudioToolbox -framework CoreAudio
> >> -framework QTKit -liconv
> >>  build system: CMake
> >>
> >> Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
> >> Target: x86_64-apple-darwin12.5.0
> >> Thread model: posix
> >>
> >> nvcc: NVIDIA (R) Cuda compiler driver
> >> Copyright (c) 2005-2012 NVIDIA Corporation
> >> Built on Fri_Sep_28_16:10:16_PDT_2012
> >> Cuda compilation tools, release 5.0, V0.2.1221
> >>
> >> TIA
> >>
> >
> >
> >
> > --
> > Sen Haerens | Sleutelstraat 9 1000 Brussels Belgium
> > Tel +32 (0)2 880 90 25 | Cell +32 (0)473 86 50 35
> > Vcard http://vcard.senhaerens.be/
> > _______________________________________________
> > Bf-committers mailing list
> > Bf-committers at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-committers
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-- 
Piotr Arłukowicz, PhD
University of Gdańsk, Faculty of Mathematics, Physics and Informatics
Division of Artificial Intelligence, Wit Stwosz 57, 80-952 Gdańsk, room 121
phone: +48585232125, via jabber: piotao at jabber.gda.pl,
http://piotao.inf.ug.edu.pl/
Also: Polish Blender Course: http://polskikursblendera.pl/ [PL]