Homebrew/homebrew — pull request #27142 by baskerville (2014-03-02 19:10:18+00:00)
Title: New formula: deheader

“Analyzes C and C++ files to determine which header inclusions can be removed while still allowing them to compile. This may result in substantial improvements in compilation time, especially on large C++ projects; it also sometimes exposes dependencies and cohesions of which developers were unaware.”