Fenics from pip

[dokken]

The linear algebra backend most people use (including dolfin and firedrake) is PETSc, PETSc cannot be installed through pip and require alot of extra packages.

I have listed every package fenics requires for ubuntu 20.04 here:

How to install dolfin on Ubuntn-20.04 from source

Here is a full step by step dockerfile for installing dolfin in ubuntu 20.04. One should simply be able to copy-paste each of the commands (stripping them of docker syntax), or build a corresponding dockerimage by saving this as Dockerfile and run docker build -t dolfinimage . FROM ubuntu:20.04 as dolfinsrc ARG PYBIND11_VERSION=2.5.0 ARG PETSC_VERSION=3.13.3 ARG SLEPC_VERSION=3.13.3 ARG PETSC4PY_VERSION=3.13.0 ARG SLEPC4PY_VERSION=3.13.0 # Flags to pass to ninja build system. ARG MAKEFLAGS # …