Today I discovered a pretty awesome looking piece of scanning software called scantailor. It apparently runs great on Windows and Linux, and the instructions say you can install it on macOS with Macport. For those of us that use Brew, the instructions were somewhat broken.
Here is how I installed Scantailor under High Sierra using Brew. First the pre-requisites:
brew tap cartr/qt4 brew tap-pin cartr/qt4 brew install qt@4 brew install cmake eigen jpeg libtiff boost
We now need to know what version of QT was installed and where. You can find this in /usr/local/Cellar/qt@4. Here is mine:
ls /usr/local/Cellar/qt@4 4.8.7_5
We will use 4.8.7_5 in the path below for cmake. Now install Scantailor:
cd ~/Applications mkdir scantailor && cd scantailor git clone https://github.com/scantailor/scantailor.git cd scantailor cmake . -DCMAKE_PREFIX_PATH=/usr/local/Cellar/qt@4/4.8.7_5/ make sudo make install
You should now have /usr/local/bin/scantailor and /usr/local/bin/scantailor-cli installed, assuming no errors. You may now launch scantailor from the command line simply by typing in 'scantailor' and hitting enter.
It is safe to remove the install files now:
cd ~/Applications/ rm -Rf scantailor