require 'formula'

class Triangle < Formula
  homepage 'http://www.cs.cmu.edu/~quake/triangle.html'
  url 'http://www.netlib.org/voronoi/triangle.zip'
  sha1 '63d11e0b5bf097eb946a4da4ee18ddf279e16fc4'
  version '1.6'

  depends_on :x11

  def install
    inreplace 'makefile' do |s|
      s.gsub! '-DLINUX', ''
      s.remove_make_var! 'CC'
    end

    system 'make'
    system 'make', 'trilibrary'
    system 'ar', 'r', 'libtriangle.a', 'triangle.o'

    bin.install %w(triangle showme)
    lib.install 'libtriangle.a'
    include.install 'triangle.h'
    doc.install %w(README A.poly tricall.c)
  end

  def caveats; <<-EOS.undent
      Triangle is distributed under a license that places restrictions on how
      the code or library may be used in commercial products.  See the README
      file for more info:
          #{prefix}/README
    EOS
  end
end