Homebrew/homebrew — pull request #32884 by jasmas (2014-10-02 20:50:59+00:00)
Title: Add crosstool-ng compile options for GNU variants of grep & make

For building some toolchains with crosstool-ng, newer versions of the GNU variants of make and grep may be required. These changes add the optional requirements out of dupes and pass the path to the GNU executable to crosstool's configure script.