Does the static gandiva lib bundle libstdc++? Otherwise you'll probably need to load it explicitly in the Java process.
Regards Antoine. Le 16/12/2018 à 04:53, Ravindra Pindikura a écrit : > I think this happens if any of the cpp files that are used for IR generation > (clang —emit-llvm) includes <iostream>. For decimal support, I’m generating > IR code from arrow/util/decimal.cc <http://decimal.cc/> which includes > <iostream> (many times in the header file chain). > >> On Dec 16, 2018, at 9:14 AM, Ravindra Pindikura <ravin...@dremio.com> wrote: >> >> Hi, >> >> I’ve been working on adding decimal support in gandiva - I’m hitting a >> symbol resolution error with std::ios_base::Init with the java tests on >> ubuntu. Any ideas on what I may be doing wrong ? >> >> LLVM ERROR: Program used external function '_ZNSt8ios_base4InitC1Ev' which >> could not be resolved! >> >> >> I’ve the same test (add two decimals) in three forms : >> >> 1. Cpp test executable with shared gandiva lib >> >> Works on both ubuntu and Mac >> >> 2. Cpp test executable with static gandiva lib >> >> Works on both ubuntu and Mac >> >> 3. Java test (internally uses jni over static gandiva lib) >> >> Works on Mac, but fails on ubuntu !! >> >> Ubuntu failure : https://travis-ci.org/apache/arrow/jobs/468562791 >> >> I tried switching to ORC JIT (from MC JIT) but that didn’t help. In the JIT, >> the symbol is not found in the process address space for ubuntu+java. For >> all the other cases, the symbol is found. >> >> https://github.com/apache/arrow/pull/2942/files#diff-5ef29a5cabe384645dbf7a9c704aceeaR36 >> >> Thanks & regards, >> Ravindra. > >
