AmanithVG-sdk

OpenVGの商用ライブラリーの見本らしい。
現在わかっている問題は、これが存在している時にcairoを"--enable-vg=yes"を付けてビルドするとコンパイルエラーで止まってしまう。これはAmanithVG-sdkが悪い訳ではなく、本家(?)ShivavgのlibOpenVGを使っても同じこととなる。cairo側の問題。
masterのbranchしかないため、HEADを使う必要があります。

$ brew install -s amanithvg-sdk --HEAD

class AmanithvgSdk < Formula
  desc "A commercial implementation of OpenVG 1.1 and 1.0.1"
  homepage "http://www.amanithvg.com/"
  head "https://github.com/Mazatech/amanithvg-sdk.git"

  option "software-engine", "Build for using original software engine instead of OpenGL.frameworks"
  option "with-tutorials", "Build with \"tutorials-app\"s"

  depends_on "cmake" => :build  

  keg_only "Beacuse this Formula has only HEAD"

  def install
    backend_type = (build.with?("software-engine") ? "sre" :"gle")
    if build.with? "tutorials"
      args = std_cmake_args
      args << (build.with?("software-engine") ? "-DENGINE_SRE=1" : "-DENGINE_GLE=1")
      args << "-DCMAKE_TOOLCHAIN_FILE=./CMake/toolchain/osx_ub.cmake" << "--no-warn-unused-cli"
      mkdir prefix/"share/tutorials"
      Pathname.glob("tutorials/*"){|subdir|
        cd subdir do
          system "cmake", ".", *args, "-G", "Unix Makefiles"
          system "make"
        end
      }
      mkdir_p prefix/"share/amanithvg-sdk/tutorials"
      (share/"amanithvg-sdk/tutorials").install Dir["bin/macosx/ub/#{backend_type}/standalone/*"]
    end
    lib.install Dir["lib/macosx/ub/#{backend_type}/standalone/*"]
  end
end