High-performance, asynchronous messaging library This formula is keg-only.
Formula was removed
Last versions were
zeromq@3.2 requires the following formula to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries

Recent formula history

FX Coudert zeromq@3.2: remove
ilovezfs Use “squiggly” heredocs.
Mike McQuaid zeromq@3.2: import from homebrew/versions.

Formula code at GitHub