Portable reimplementation of Impulse Tracker

Current versions

schismtracker requires the following formulae to be installed:
autoconf 2.69 Automatic configure script builder
automake 1.15.1 Tool for generating GNU Standards-compliant Makefiles
sdl 1.2.15 Low-level access to audio, keyboard, mouse, joystick and graphics

Recent formula history

ilovezfs schismtracker 20180209
Brandon Mulcahy schismtracker: update head url (#22327)
ilovezfs schismtracker 20170910
ilovezfs schismtracker: use assert_predicate instead of File.exist?
ilovezfs schismtracker 20170420

Formula code at GitHub