<div dir="ltr">It finishes silently if `-S -emit-llvm' is also supplied to the driver.<br><br><div class="gmail_quote"><div dir="ltr">On Wed, Sep 5, 2018 at 7:31 PM Jonas Hahnfeld <<a href="mailto:hahnjo@hahnjo.de">hahnjo@hahnjo.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I meant when it tries to compile arraydatum.cc, sorry:<br>
> [ 3%] Building CXX object sli/CMakeFiles/sli_lib.dir/arraydatum.cc.o<br>
> cd /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/sli &&<br>
> /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang++<br>
> -Dsli_lib_EXPORTS -I/bgsys/drivers/ppcfloor/comm/gcc/include<br>
> -I/gpfs/software/opt/gsl/2.4/include<br>
> -I/gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/libnestutil<br>
> -I/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/libnestutil<br>
> -std=c++11 -O2 -Wall -fopenmp -fopenmp-targets=nvptx64-nvidia-cuda<br>
> --cuda-path=/gpfs/software/opt/cuda/9.2.88 -fPIC -o<br>
> CMakeFiles/sli_lib.dir/arraydatum.cc.o -c<br>
> /gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/sli/arraydatum.cc<br>
<br>
You can copy this command and add some flags to see where this function <br>
is called.<br>
<br>
On 2018-09-05 12:12, Itaru Kitayama wrote:<br>
> CMake compiler check fails:<br>
> <br>
> Determining if files mach-o/dyld.h exist failed with the following<br>
> output:<br>
> Change Dir:<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp<br>
> <br>
> Run Build Command:"/usr/bin/gmake" "cmTC_1486a/fast"<br>
> /usr/bin/gmake -f CMakeFiles/cmTC_1486a.dir/build.make<br>
> CMakeFiles/cmTC_1486a.dir/build<br>
> gmake[1]: Entering directory<br>
> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMak<br>
> eTmp'<br>
> Building C object CMakeFiles/cmTC_1486a.dir/CheckIncludeFiles.c.o<br>
> /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang -o<br>
> CMakeFiles/cmTC_1486a.dir/C<br>
> heckIncludeFiles.c.o -c<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp/C<br>
> heckIncludeFiles.c<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp/CheckIncludeFiles.c:2:10:<br>
> fatal error: 'mach-o/dyld.h' file not found<br>
> #include <mach-o/dyld.h><br>
> ^~~~~~~~~~~~~~~<br>
> 1 error generated.<br>
> gmake[1]: *** [CMakeFiles/cmTC_1486a.dir/CheckIncludeFiles.c.o] Error<br>
> 1<br>
> gmake[1]: Leaving directory<br>
> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMake<br>
> Tmp'<br>
> gmake: *** [cmTC_1486a/fast] Error 2<br>
> <br>
> Source:<br>
> /* */<br>
> #include <mach-o/dyld.h><br>
> <br>
> int main(void){return 0;}<br>
> <br>
> Determining if files mach/mach.h exist failed with the following<br>
> output:<br>
> Change Dir:<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp<br>
> <br>
> Run Build Command:"/usr/bin/gmake" "cmTC_a088b/fast"<br>
> /usr/bin/gmake -f CMakeFiles/cmTC_a088b.dir/build.make<br>
> CMakeFiles/cmTC_a088b.dir/build<br>
> gmake[1]: Entering directory<br>
> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMak<br>
> eTmp'<br>
> Building C object CMakeFiles/cmTC_a088b.dir/CheckIncludeFiles.c.o<br>
> /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang -o<br>
> CMakeFiles/cmTC_a088b.dir/C<br>
> heckIncludeFiles.c.o -c<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp/C<br>
> heckIncludeFiles.c<br>
> /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp/CheckIncludeFiles.c:2:10:<br>
> fatal error: 'mach/mach.h' file not found<br>
> #include <mach/mach.h><br>
> ^~~~~~~~~~~~~<br>
> 1 error generated.<br>
> gmake[1]: *** [CMakeFiles/cmTC_a088b.dir/CheckIncludeFiles.c.o] Error<br>
> 1<br>
> gmake[1]: Leaving directory<br>
> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/CMakeFiles/CMakeTmp'<br>
> <br>
> On Wed, Sep 5, 2018 at 7:01 PM Jonas Hahnfeld <<a href="mailto:hahnjo@hahnjo.de" target="_blank">hahnjo@hahnjo.de</a>><br>
> wrote:<br>
> <br>
>> I can't reproduce the problem on x86, at least on this file on<br>
>> branch<br>
>> master and for-upstream. Maybe it's specific to Power?<br>
>> <br>
>> Can you have a look where this function is called? Extending the<br>
>> compile<br>
>> command for that specific file by "-S -emit-llvm" and posting the<br>
>> result<br>
>> would be helpful.<br>
>> <br>
>> Jonas<br>
>> <br>
>> On 2018-09-05 11:20, Itaru Kitayama wrote:<br>
>>> Jonas,<br>
>>> No problem. It is at:<br>
>>> <br>
>>> <a href="https://github.com/ikitayama/nest-simulator" rel="noreferrer" target="_blank">https://github.com/ikitayama/nest-simulator</a><br>
>>> <br>
>>> ... and especially this file<br>
>>> <br>
>>> <br>
>> <br>
> <a href="https://github.com/ikitayama/nest-simulator/blob/master/sli/arraydatum.cc" rel="noreferrer" target="_blank">https://github.com/ikitayama/nest-simulator/blob/master/sli/arraydatum.cc</a><br>
>>> <br>
>>> is the first one on which llvm/clang-8.0.0 stops in a build<br>
>> process.<br>
>>> <br>
>>> On Wed, Sep 5, 2018 at 3:56 PM Jonas Hahnfeld <<a href="mailto:hahnjo@hahnjo.de" target="_blank">hahnjo@hahnjo.de</a>><br>
>>> wrote:<br>
>>> <br>
>>>> Mabye you are using some thread-local storage? Can you share the<br>
>>>> code,<br>
>>>> everything else will be guesses at best...<br>
>>>> <br>
>>>> Jonas<br>
>>>> <br>
>>>> On 2018-09-05 06:15, Itaru Kitayama via Openmp-dev wrote:<br>
>>>>> Hi Alexey,<br>
>>>>> If the function is not explicitly used in the code-base in<br>
>>>> question,<br>
>>>>> how do I<br>
>>>>> find which function/module requires it?<br>
>>>>> <br>
>>>>> On Tue, Sep 4, 2018 at 11:15 PM Alexey Bataev<br>
>>>> <<a href="mailto:a.bataev@outlook.com" target="_blank">a.bataev@outlook.com</a>><br>
>>>>> wrote:<br>
>>>>> <br>
>>>>>> It means that this function is used somewhere in the code that<br>
>> is<br>
>>>>>> offloaded to the GPU. I don't think this is correct, this<br>
>>>> function<br>
>>>>>> is pthreads-specific and I don't think that NVidia GPUs support<br>
>>>>>> pthreads.<br>
>>>>>> <br>
>>>>>> -------------<br>
>>>>>> Best regards,<br>
>>>>>> Alexey Bataev<br>
>>>>>> <br>
>>>>>> 02.09.2018 3:51, Itaru Kitayama via Openmp-dev пишет:<br>
>>>>>> <br>
>>>>>>> <br>
>>>>>> <br>
>>>>>>> Hi,<br>
>>>>>>> I am trying to build an application that can do OpenMP<br>
>>>> offloading<br>
>>>>>>> on a POWER8 + P100 system using the latest LLVM/Clang<br>
>> toolchain<br>
>>>>>>> (openmp<br>
>>>>>>> is too the latest).<br>
>>>>>>> <br>
>>>>>>> The build error is:<br>
>>>>>>> <br>
>>>>>>> [ 3%] Building CXX object<br>
>>>>>>> sli/CMakeFiles/sli_lib.dir/arraydatum.cc.o<br>
>>>>>>> cd /gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/sli &&<br>
>>>>>>> /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang++<br>
>>>>>>> -Dsli_lib_EXPORTS -I/bgsys/drivers/ppcfloor/comm/gcc/include<br>
>>>>>>> -I/gpfs/software/opt/gsl/2.4/include<br>
>>>>>>> -I/gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/libnestutil<br>
>>>>>>> <br>
>> -I/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/libnestutil<br>
>>>>>>> -std=c++11 -O2 -Wall -fopenmp<br>
>>>> -fopenmp-targets=nvptx64-nvidia-cuda<br>
>>>>>>> --cuda-path=/gpfs/software/opt/cuda/9.2.88 -fPIC -o<br>
>>>>>>> CMakeFiles/sli_lib.dir/arraydatum.cc.o -c<br>
>>>>>>> <br>
>>>> <br>
>> /gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/sli/arraydatum.cc<br>
>>>>>>> <br>
>>>>>>> ptxas fatal : Cannot take address of function<br>
>>>>>>> '__pthread_key_create'<br>
>>>>>>> clang-8: error: ptxas command failed with exit code 255 (use<br>
>> -v<br>
>>>> to<br>
>>>>>>> see invocation)<br>
>>>>>>> make[2]: *** [sli/CMakeFiles/sli_lib.dir/arraydatum.cc.o]<br>
>> Error<br>
>>>>>>> 255<br>
>>>>>>> make[2]: Leaving directory<br>
>>>>>>> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream'<br>
>>>>>>> make[1]: *** [sli/CMakeFiles/sli_lib.dir/all] Error 2<br>
>>>>>>> make[1]: Leaving directory<br>
>>>>>>> `/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream'<br>
>>>>>>> make: *** [all] Error 2<br>
>>>>>>> <br>
>>>>>>> The CUDA toolkit is 9.2.88, is it possible the error is fixed<br>
>> in<br>
>>>>>>> the<br>
>>>>>>> latest toolkit?<br>
>>>>>>> <br>
>>>>>>> Thanks,<br>
>>>>>>> Itaru.<br>
>>>>>> <br>
>>>>>>> _______________________________________________<br>
>>>>>>> Openmp-dev mailing list<br>
>>>>>>> <a href="mailto:Openmp-dev@lists.llvm.org" target="_blank">Openmp-dev@lists.llvm.org</a><br>
>>>>>>> <a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev" rel="noreferrer" target="_blank">http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev</a><br>
>>>>> _______________________________________________<br>
>>>>> Openmp-dev mailing list<br>
>>>>> <a href="mailto:Openmp-dev@lists.llvm.org" target="_blank">Openmp-dev@lists.llvm.org</a><br>
>>>>> <a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev" rel="noreferrer" target="_blank">http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev</a><br>
</blockquote></div></div>