Hi Fenics support,

OS details:

Distributor ID: Ubuntu
Description: Ubuntu 14.04.3 LTS
Release: 14.04
Codename: trusty

I recently upgraded from FEniCS 1.5 to FEniCS 1.6 via re-running:

$ sudo add-apt-repository ppa:fenics-packages/fenics
$ sudo apt-get update
$ sudo apt-get install fenics
$ sudo apt-get dist-upgrade

Everything upgraded as expected with no errors, warnings, etc. Now,
upon running any example, or previously working code. I run into the
error:

##################################
RuntimeError: In instant.recompile: The module did not compile with
command 'make VERBOSE=1', see
'/home/chris/.instant/error/dolfin_compile_code_c8b988ab6016262c9eebd6dc8482b98c0cf05c33/compile.log'
##################################

I believe the key lines in the log file are:

##################################
/usr/bin/ld: 
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/libsuitesparseconfig.a(SuiteSparse_config.o):
relocation R_X86_64_32S against `malloc' can not be used when making a
shared object; recompile with -fPIC

/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/libsuitesparseconfig.a:
error adding symbols: Bad value

collect2: error: ld returned 1 exit status
##################################

I have tried all permutations of purging via ppa-purge, apt-get
remove, apt-get purge, followed by the ppa installation instructions.
All routes lead back to the same error and same message in the instant
log file.

As another data point: On a different computer, a clean install of
Ubuntu 14.04, followed by a clean install of Fenics 1.6 (via ppa)
yields a perfectly working copy.

I have found a similar account of the problem here,

http://fenicsproject.org/qa/7402/expression-does-not-work-anymore

but have been unable to resolve it from the supplied information.

Many thanks for any help you can provide.

- Chris
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