Reviving cmockery unit test framework from Google

Current versions

cmockery2 requires the following formulae to be installed:
automake 1.16.1 Tool for generating GNU Standards-compliant Makefiles
autoconf 2.69 Automatic configure script builder
libtool 2.4.6_1 Generic library support script
pkg-config 0.29.2 Manage compile and link flags for libraries

Recent formula history

ilovezfs cmockery2: fix test on 10.13
Andrew Janke audit fixes: C 04: cloog - cowsay
Alex Dunn cmockery2 1.3.9
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Justin Clift cmockery2 1.3.8

Formula code at GitHub