Pass openmp flag to linker #36
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On Ubuntu 20.04, if -fopenmp is passed when compiling but not when
linking, importing diffcp results in the following error
>>> import diffcp
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/akshay/src/cvxgrp/diffcp/diffcp/__init__.py", line 3, in
<module>
from diffcp.cone_program import solve_and_derivative, \
File "/home/akshay/src/cvxgrp/diffcp/diffcp/cone_program.py", line 3,
in <module>
import diffcp.cones as cone_lib
File "/home/akshay/src/cvxgrp/diffcp/diffcp/cones.py", line 6, in
<module>
from _diffcp import dprojection, project_exp_cone, Cone, ConeType
ImportError:
/home/akshay/envs/diffcp/lib/python3.8/site-packages/_diffcp.cpython-38-x86_64-linux-gnu.so:
undefined symbol: omp_get_thread_num
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On Ubuntu 20.04, if -fopenmp is passed when compiling but not when
linking, importing diffcp results in the following error