Hi,
1) How did you install PyArrow?
2) What does /usr/local/lib/python3.7/dist-packages/pyarrow contain?
Regards
Antoine.
Le 04/07/2019 à 22:10, Stestagg a écrit :
> Hi
>
> I've got a cython module that links against PyArrow, using the
> 'pyarrow.get_libraries()' associated methods.
>
> Builds on Windows and Linux are consitently failing against 0.14, but
> working on 0.12 to 0.13.
>
> Linux gives:
> x86_64-linux-gnu-g++ -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions
> -Wl,-z,relro -Wl,-z,relro -g -fstack-protector-strong -Wformat
> -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2
> build/temp.linux-x86_64-3.7/test.o
> -L/usr/local/lib/python3.7/dist-packages/pyarrow -larrow -larrow_python -o
> /home/dduser/att/arrowtest.cpython-37m-x86_64-linux-gnu.so
> /usr/bin/ld: cannot find -larrow
> /usr/bin/ld: cannot find -larrow_python
> collect2: error: ld returned 1 exit status
> error: command 'x86_64-linux-gnu-g++' failed with exit status 1
>
> The windows build is more funky, but I'm still investigating.
>
> A minimal example is:
>
> setup.py:
>
> import pyarrow
> from Cython.Build import cythonize
> from distutils.command.build_clib import build_clib
> from distutils.core import setup, Extension
>
>
> OPTIONS = {
> 'sources': ["test.pyx"],
> 'language': "c++",
> 'include_dirs': [pyarrow.get_include()],
> 'libraries': pyarrow.get_libraries(),
> 'library_dirs': pyarrow.get_library_dirs()
> }
>
> setup(
> name='arrowtest',
> ext_modules = cythonize(Extension("arrowtest",**OPTIONS)),
> cmdclass = {'build_clib': build_clib},
> version="0.1",
> )
>
> test.pyx:
>
> import pyarrow as pa
> cimport pyarrow.lib as pa
>
> Thanks
>
> Steve
>
