homebrew-core/Formula/opencv.rb

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require 'formula'
class Opencv <Formula
# Don't use stable 2.1.0 due to a massive memory leak:
# https://code.ros.org/trac/opencv/ticket/253
url 'https://code.ros.org/svn/opencv/trunk/opencv', :using => :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