Expression - The module did not compile with command 'make VERBOSE=1'

[ioland...@gmail.com]

When I try to create a DirichletBC with an Expression inside it gives me this error:

ua = make_womersley_bcs(Q_coeffs, mesh, 1 , nu, None, boundaries)

inflow = DirichletBC(V, Expression(('x','y','z'),x=ua[0],y=ua[1],z=ua[2]), boundaries,1)

RuntimeError: In instant.recompile: The module did not compile with command 'make VERBOSE=1'

I have already completely removed fenics and dolfin and made a new installation, but the problem remains. Can you help?

Thank you!

  Calling DOLFIN just-in-time (JIT) compiler, this may take some time.
In instant.recompile: The module did not compile with command 'make VERBOSE=1',    see '/home/iolanda/.instant/error/dolfin_compile_code_cc10edf94aaeaa3b59c8892774ae8017c6493fac/compile.log'
  Traceback (most recent call last):
 File "womersley.py", line 357, in <module>
   inflow  = DirichletBC(V, Expression(('x','y','z'),x=ua[0],y=ua[1],z=ua[2]), boundaries,1)
 File "/usr/lib/python2.7/dist-packages/dolfin/functions/expression.py", line 602, in __new__
mpi_comm=mpi_comm)
 File "/usr/lib/python2.7/dist-packages/dolfin/compilemodules/expressions.py", line 217, in compile_expressions
mpi_comm=mpi_comm)
 File "/usr/lib/python2.7/dist-packages/dolfin/compilemodules/expressions.py", line 145, in compile_expression_code
mpi_comm=mpi_comm)
 File "/usr/lib/python2.7/dist-packages/dolfin/compilemodules/jit.py", line 64, in mpi_jit
return local_jit(*args, **kwargs)
 File "/usr/lib/python2.7/dist-packages/dolfin/compilemodules/compilemodule.py", line 458, in compile_extension_module
**instant_kwargs)
 File "/usr/lib/python2.7/dist-packages/instant/build.py", line 563, in build_module
recompile(modulename, module_path, new_compilation_checksum, build_system)
 File "/usr/lib/python2.7/dist-packages/instant/build.py", line 165, in recompile
instant_error(msg % (cmd, compile_log_filename_dest))
 File "/usr/lib/python2.7/dist-packages/instant/output.py", line 85, in instant_error
raise RuntimeError(text)
RuntimeError: In instant.recompile: The module did not compile with command 'make VERBOSE=1', see '/home/iolanda/.instant/error/dolfin_compile_code_cc10edf94aaeaa3b59c8892774ae8017c6493fac/compile.log'

[Martin Sandve Alnæs]

Take a look at the compile.log file as instructed in the error message.

There you'll find C++ compile errors when accessing 'x', 'y', and 'z'.

You must use x[0], x[1] and x[2] instead in Expressions.

Martin

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