Arch Linux

Description:
Sympy comes with its own bundled version of mpmath. This causes issues in Sage (built against system libs) when trying to import both sympy and mpmath due to function name clashes between both mpmath versions, and breaks running the testsuite (and anything that depends on sympy).
There is a patch upstream that makes it use the system version of mpmath, see [1] for the discussion. It is not yet merged, but it will be soon, in fact it is already mentioned in the release notes [2] that 0.7.6 is that last version with bundled mpmath. Fedora [3] and Ubuntu [4] both patch sympy to build against system mpmath. Any chance of doing the same for our package? I tested the Fedora patch and it compiles and works correctly (tests pass except for one in plots that doesn't seem related to this).

[1] https://github.com/sympy/sympy/pull/2192
[2] https://github.com/sympy/sympy/wiki/Release-Notes-for-0.7.6
[3] http://pkgs.fedoraproject.org/cgit/sympy.git/tree/sympy-0.7.6-strip-internal-mpmath.patch
[4] https://launchpad.net/ubuntu/+source/sympy/0.7.5-3