OpenCV Rakefile

Rakefile

require 'rake'
require 'rake/clean'

targetname = "a.out"

cc = "g++ -Wall -Wno-overloaded-virtual -std=c++11 -O2"

paths = "/usr/local/opt/opencv3/lib/pkgconfig/opencv.pc"
libs = `#{"pkg-config --libs " + paths}`
flags = `#{"pkg-config --cflags " + paths}`

sourcefiles = Rake::FileList["**/*.cpp"]

task :default => 'build:all'

namespace :build do
	multitask :obj => sourcefiles.ext(".o")
	task :target do
		sh "#{cc} -o #{targetname} #{sourcefiles.ext(".o")} #{libs}"
		CLEAN.include(sourcefiles.ext(".o"))
	end
	task :all => [:obj, :target]
end

rule ".o" => ".cpp" do |t|
	sh "#{cc} #{t.source} -c -o #{t.name} #{flags}"
end