Current version

imake requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
gcc 7.3.0_1 GNU compiler collection

Recent formula history

Dmitry Kalinkin imake: rebuild to pickup gcc 5 to 6 update
Misty De Meo imake: migrate patch to Homebrew/patches
Misty De Meo imake: embed GCC's opt_prefix, not prefix
Dmitry Kalinkin imake: use gcc's preprocessor for imake
Mike McQuaid Import formulae from Homebrew core.

Formula code at GitHub