[QScintilla] error during installation process

[Tim Smith]

Homebrew users are experiencing the same failure described by Ken
Spicer. I am confident Qt4's qmake is in PATH and that PyQt 4 is being
found.

The configure.py output is:

Configuring QScintilla 2.8.4...
QScintilla 2.8.4 is being used.
The QScintilla .sip files will be installed in
/usr/local/Cellar/qscintilla2/2.8.4/share/sip.
The QScintilla module will be installed in
/usr/local/Cellar/qscintilla2/2.8.4/lib/python2.7/site-packages/PyQt4.
PyQt 4.11.3 is being used.
Qt 4.8.7 is being used.
sip 4.16.9 is being used.
The sip executable is /usr/local/opt/sip/bin/sip.
The QScintilla module is being built with 'protected' redefined as 'public'.
The QScintilla API file will be installed in
/usr/local/Cellar/qscintilla2/2.8.4/qsci/api/python.
Generating the C++ source for the Qsci module...
Generating the .pro file for the Qsci module...
Creating the Makefile for the Qsci module...

A log of the build failure is available here:
https://gist.github.com/anonymous/d190af428dff04c61643#file-05-make

We are tracking the issue here:
https://github.com/Homebrew/homebrew/issues/41464

Thanks,
Tim