require 'formula' class Opencv :svn, :revision => '3478' version "2.1.1-pre" homepage 'http://opencv.willowgarage.com/wiki/' # NOTE: Head builds past the revision above may break on OS X head 'https://code.ros.org/svn/opencv/trunk/opencv', :using => :svn depends_on 'cmake' => :build depends_on 'pkg-config' => :build depends_on 'libtiff' => :optional depends_on 'jasper' => :optional depends_on 'tbb' => :optional # Can also depend on ffmpeg, but this pulls in a lot of extra stuff that # you don't need unless you're doing video analysis, and some of it isn't # in Homebrew anyway. def options [['--build32', 'Force a 32-bit build.']] end def install makefiles = "cmake -G 'Unix Makefiles' -DCMAKE_INSTALL_PREFIX:PATH=#{prefix} ." makefiles += " -DOPENCV_EXTRA_C_FLAGS='-arch i386 -m32'" if ARGV.include? '--build32' system makefiles system "make" system "make install" end def caveats; <<-EOS.undent The OpenCV Python module will not work until you edit your PYTHONPATH like so: export PYTHONPATH="#{HOMEBREW_PREFIX}/lib/python2.6/site-packages/:$PYTHONPATH" To make this permanent, put it in your shell's profile (e.g. ~/.profile). EOS end end