[LLVMdev] OpenMPI and llvm-gcc

[Bill Wendling]

That's odd. We should be lowering the __builtin_expect calls. Could
you provide a preprocessed and .bc file for the
vtfilter-vt_tracefilter.o file?

-bw

On Thu, Apr 16, 2009 at 6:02 AM, Frank Fuchs
<fuchs at ifto.physik.uni-jena.de> wrote:
> Hi,
>
> I was wondering whether or not MPI-libraries are expected to work with
> llvm-gcc?
>
> I tried to compile openmpi-1.3 using the llvm-gcc4.2-2.5-x86-darwin9
> distribution on my MacBook Pro running OS 10.5.6.
> Installation using the gcc (gcc version 4.0.1 (Apple Inc. build 5490))
> worked well.
>
> But for the llvm-gcc I get the following error message (during the
> make):
>> ....
>> Making all in vtfilter
>> llvm-g++ -DHAVE_CONFIG_H -I. -I../.. -I../../extlib/otf/otflib -
>> I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib  -D_REENTRANT -
>> fopenmp -DVT_OMP -O2 -MT vtfilter-vt_filter.o -MD -MP -MF .deps/
>> vtfilter-vt_filter.Tpo -c -o vtfilter-vt_filter.o `test -f
>> 'vt_filter.cc' || echo './'`vt_filter.cc
>> mv -f .deps/vtfilter-vt_filter.Tpo .deps/vtfilter-vt_filter.Po
>> llvm-g++ -DHAVE_CONFIG_H -I. -I../.. -I../../extlib/otf/otflib -
>> I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib  -D_REENTRANT -
>> fopenmp -DVT_OMP -O2 -MT vtfilter-vt_filthandler.o -MD -MP -MF .deps/
>> vtfilter-vt_filthandler.Tpo -c -o vtfilter-vt_filthandler.o `test -f
>> 'vt_filthandler.cc' || echo './'`vt_filthandler.cc
>> mv -f .deps/vtfilter-vt_filthandler.Tpo .deps/vtfilter-
>> vt_filthandler.Po
>> llvm-g++ -DHAVE_CONFIG_H -I. -I../.. -I../../extlib/otf/otflib -
>> I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib  -D_REENTRANT -
>> fopenmp -DVT_OMP -O2 -MT vtfilter-vt_otfhandler.o -MD -MP -MF .deps/
>> vtfilter-vt_otfhandler.Tpo -c -o vtfilter-vt_otfhandler.o `test -f
>> 'vt_otfhandler.cc' || echo './'`vt_otfhandler.cc
>> mv -f .deps/vtfilter-vt_otfhandler.Tpo .deps/vtfilter-vt_otfhandler.Po
>> llvm-g++ -DHAVE_CONFIG_H -I. -I../.. -I../../extlib/otf/otflib -
>> I../../extlib/otf/otflib -I../../vtlib/ -I../../vtlib  -D_REENTRANT -
>> fopenmp -DVT_OMP -O2 -MT vtfilter-vt_tracefilter.o -MD -MP -MF .deps/
>> vtfilter-vt_tracefilter.Tpo -c -o vtfilter-vt_tracefilter.o `test -f
>> 'vt_tracefilter.cc' || echo './'`vt_tracefilter.cc
>> mv -f .deps/vtfilter-vt_tracefilter.Tpo .deps/vtfilter-
>> vt_tracefilter.Po
>> llvm-g++ -fopenmp -DVT_OMP -O2 -fopenmp  -o vtfilter vtfilter-
>> vt_filter.o vtfilter-vt_filthandler.o vtfilter-vt_otfhandler.o
>> vtfilter-vt_tracefilter.o ../../util/util.o -L../../extlib/otf/
>> otflib -L../../extlib/otf/otflib/.libs -lotf  -lz
>> Undefined symbols:
>>   "___builtin_expect", referenced from:
>>       _main.omp_fn.0 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.0 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.0 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.1 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.1 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.1 in vtfilter-vt_tracefilter.o
>>       _main.omp_fn.1 in vtfilter-vt_tracefilter.o
>> ld: symbol(s) not found
>> collect2: ld returned 1 exit status
>> make[6]: *** [vtfilter] Error 1
>
>
> Best,
> FF
>
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