$ brew info quantlibquantlib: stable 1.12 (bottled), HEAD

$ pip3 show cythonName: Cython Version: 0.27.3

brew info boostboost: stable 1.66.0 (bottled), HEAD

Python 3.6.4

MacOS latest version.

I first tried topython3 setup.py install with HEAD, failed withthis error.

Then I tried withthis commit (got the idea from thisIssue), and got the followingoutput, with an error in the end.

I hope this information helps, please let me know if there's anything else.
Thanks for taking your time to look at this.