Hi,

I’m running the lastest FEniCS on my Mac running osx 10.9.5.  I installed 
FEniCS using the .dmg provided on the FEniCS website and I’m using the FEniCS 
shell provided by the FEniCS.app.  I.e. I don’t think I’m doing anything 
outside of the ordinary use-case.  I’m having a bug that other users have 
experienced in the past, and the solutions I’ve found online so far are not 
clear to me (and seem a bit out of date).  My apologies if I am re-asking a 
question that has already been answered.  

The problem arises with the demo_poisson.py file though I think it will occur 
whenever the Expression command is used.  (In particular, it does NOT occur 
when using the demo_cahn-hilliard.py file, as someone else on this forum 
discovered.)  Here’s the output from python:

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 
'/Users/butscher/.instant/error/dolfin_compile_code_e71a4e0b9db4c7b3c4379cadd4a0fbc66cf1c990/compile.log'
Traceback (most recent call last):
  File 
"/Applications/FEniCS.app/Contents/Resources/share/dolfin/demo/documented/poisson/python/demo_poisson.py",
 line 54, in <module>
    f = Expression("10*exp(-(pow(x[0] - 0.5, 2) + pow(x[1] - 0.5, 2)) / 0.02)")
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/dolfin/functions/expression.py",
 line 602, in __new__
    mpi_comm=mpi_comm)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/dolfin/compilemodules/expressions.py",
 line 217, in compile_expressions
    mpi_comm=mpi_comm)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/dolfin/compilemodules/expressions.py",
 line 145, in compile_expression_code
    mpi_comm=mpi_comm)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/dolfin/compilemodules/jit.py",
 line 64, in mpi_jit
    return local_jit(*args, **kwargs)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/dolfin/compilemodules/compilemodule.py",
 line 458, in compile_extension_module
    **instant_kwargs)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/instant/build.py",
 line 563, in build_module
    recompile(modulename, module_path, new_compilation_checksum, build_system)
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-packages/instant/build.py",
 line 165, in recompile
    instant_error(msg % (cmd, compile_log_filename_dest))
  File 
"/Applications/FEniCS.app/Contents/Resources/lib/python2.7/site-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 
'/Users/butscher/.instant/error/dolfin_compile_code_e71a4e0b9db4c7b3c4379cadd4a0fbc66cf1c990/compile.log’

If someone knows, please advise me on how to fix this problem.  Many thanks.

Adrian
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