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Error while linking CXX executable lcc #23

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nadukandi opened this issue Apr 1, 2024 · 1 comment
Open

Error while linking CXX executable lcc #23

nadukandi opened this issue Apr 1, 2024 · 1 comment

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@nadukandi
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nadukandi commented Apr 1, 2024

While compiling CombBLAS, I find link error messages indicating

 undefined reference to `cblas_allgathertime'
 undefined reference to `cblas_alltoalltime'
 undefined reference to `cblas_localspmvtime'
 undefined reference to `cblas_mergeconttime'
 undefined reference to `cblas_transvectime' 

Here is an excerpt from the output of executing make :

...
[ 93%] Linking CXX executable lcc
CMakeFiles/lcc.dir/LargestCC.cpp.o: In function `void combblas::AllGatherVector<long, long>(ompi_communicator_t*&, int, long, int*&, long*&, int*&, long*&, int&, bool)':
LargestCC.cpp:(.text._ZN8combblas15AllGatherVectorIllEEvRP19ompi_communicator_tiT_RPiRPT0_S6_S9_Rib[_ZN8combblas15AllGatherVectorIllEEvRP19ompi_communicator_tiT_RPiRPT0_S6_S9_Rib]+0x325): undefined reference to `cblas_allgathertime'
...

Browsing through the online documentation, I find these variables defined in other source files, e.g. TopDownBFS.cpp and FilteredBFS.cpp, but not in LargestCC.cpp.

@cold-young
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I have same issue. did you fix it?

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