Resolving C Dependency (MPFR) of Python library?

Hi all,

I’m somewhat unsure about how to proceed with helping a Python library I’m installing (via pip) to find a C dependency.

My project relies on gmpy, which uses gcc’s MPFR library. It seems that the MPFR .o file is available in the Ubuntu 14 image (as per the documentation), but my installation fails to locate it. What am I doing wrong? Do I need to build it specifically in my image, attempting to follow the instructions here?

My failed build is here:

Thank you very much!