Build error with QT 5.10

[paul-hammant]

Here's what I get for npm brig install on my Mac

node-pre-gyp ERR! Tried to download(404): https://github.com/cfsghost/brig/releases/download/0.1.17/node-v59-darwin-x64.tar.gz 
node-pre-gyp ERR! Pre-built binaries not found for brig@0.1.17 and node@9.3.0 (node-v59 ABI) (falling back to source compile with node-gyp) 
  CXX(target) Release/obj.target/brig/build/src/moc_eventdispatcher.o
In file included from ../build/src/moc_eventdispatcher.cpp:9:
In file included from ../build/src/../../src/eventdispatcher/eventdispatcher.h:6:
In file included from /usr/local/Cellar/qt/5.10.0/lib/QtCore.framework/Versions/Current/Headers/QAbstractEventDispatcher:1:
/usr/local/Cellar/qt/5.10.0/lib/QtCore.framework/Versions/Current/Headers/qabstracteventdispatcher.h:43:10: fatal error: 'QtCore/qobject.h' file not found
#include <QtCore/qobject.h>
         ^~~~~~~~~~~~~~~~~~
1 error generated.
make: *** [Release/obj.target/brig/build/src/moc_eventdispatcher.o] Error 1

Versions

Mac = 10.13.2.
QT = v5.10 via homebrew (I had to link moc and qmake myself).
NPM = 5.6.0