> On Dec 29, 2018, at 8:03 PM, Ravindra Pindikura <ravin...@dremio.com> wrote: > > > >> On Dec 28, 2018, at 1:38 AM, Wes McKinney <wesmck...@gmail.com> wrote: >> >> You might have to wait for Antoine's help after the holidays. In the >> meantime: do you get the error when building both with gcc 4.8/4.9 and >> clang-6.0? I did a bit of google searching and it seems that iostream >> is a common troublemaker for LLVM. I wonder if the code can be >> refactored to avoid using std::cout > > Thanks Wes. > > I’ll wait for Antoine. In the meanwhile, I’ll work on the refactoring, just > in case.
Antoine, Can you please give your opinion on this ? I’ve hit this with java and python. Fairly sure it’ll be a problem on windows too. Should I just break down arrow/util/decimal.cc <http://decimal.cc/> into two parts : one that works with llvm ir (no iostream), and the remaining Thanks & regards, ravindra. > > >> >> On Thu, Dec 27, 2018 at 3:56 AM Ravindra Pindikura <ravin...@dremio.com> >> wrote: >>> >>> Thanks Wes, that worked. >>> >>> When I run the gandiva tests (I did a step-through with pdb), I get this >>> error : >>> >>>> /home/ravindra/git/arrow/python/pyarrow/tests/test_gandiva.py(50)test_tree_exp_builder() >>> -> schema, [expr], pa.default_memory_pool()) >>> (Pdb) >>> LLVM ERROR: Program used external function '_ZNSt8ios_base4InitC1Ev' which >>> could not be resolved! >>> >>> I had hit the same issue with java/jni, and resolved it by doing a >>> NativeLibrary.getInstance() (thanks to @pitrou). My knowledge of python is >>> limited - can someone please help with the same for python ? >>> >>> Thanks & regards, >>> ravindra. >>> >>>> On Dec 26, 2018, at 7:55 PM, Wes McKinney <wesmck...@gmail.com> wrote: >>>> >>>> hi Ravindra, >>>> >>>> If you are using Anaconda, you need to use the conda instructions for >>>> environment setup instead of virtualenv. This should be called out >>>> more prominently in a warning in the docs >>>> >>>> - Wes >>>> >>>> On Tue, Dec 25, 2018 at 12:53 PM Ravindra Pindikura <ravin...@dremio.com> >>>> wrote: >>>>> >>>>> Hi, >>>>> >>>>> My change (decimal support in gandiva) causes a CI failure in python >>>>> test_gandiva.py >>>>> >>>>> https://travis-ci.org/apache/arrow/jobs/471874254#L7167 >>>>> >>>>> However, the travis log has no further information on the failure. >>>>> >>>>> To debug this, I tried setting up a python dev environment on ubuntu 14 >>>>> using the steps in >>>>> https://github.com/apache/arrow/blob/master/docs/source/python/development.rst >>>>> >>>>> I got stuck at this (virtualenv pyarrow): >>>>> >>>>> ValueError: failed to parse CPython sys.version: '3.6.7 |Anaconda, Inc.| >>>>> (default, Oct 23 2018, 19:19:38) \n[GCC 7.3.0]' >>>>> >>>>> >>>>> Is this a known issue ? Any workaround ? >>>>> >>>>> Thanks & regards, >>>>> Ravindra. >>>>> >>>>> >>> >