class Libyaml < Formula
  desc "YAML Parser"
  homepage "https://github.com/yaml/libyaml"
  url "https://github.com/yaml/libyaml/archive/0.2.5.tar.gz"
  sha256 "fa240dbf262be053f3898006d502d514936c818e422afdcf33921c63bed9bf2e"
  license "MIT"

  livecheck do
    url "https://github.com/yaml/libyaml/releases/latest"
    regex(%r{href=.*?/tag/v?(\d+(?:\.\d+)+)["' >]}i)
  end

  bottle do
    cellar :any
    sha256 "56d3549b342cffb181e3eb05356697bbb362b9733c73e0eeff9b637ecf92cd23" => :catalina
    sha256 "a04988b3868cfadf7bcaff6b753b59388cbea70b38f2fa41a25229150d073696" => :mojave
    sha256 "d3e22ad09c3d6872c5f7ee7c7f1146c9f14c178ff4c3a3488a20bf584bc854d5" => :high_sierra
  end

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "libtool" => :build

  def install
    system "./bootstrap"
    system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
    system "make", "install"
  end

  test do
    (testpath/"test.c").write <<~EOS
      #include <yaml.h>

      int main()
      {
        yaml_parser_t parser;
        yaml_parser_initialize(&parser);
        yaml_parser_delete(&parser);
        return 0;
      }
    EOS
    system ENV.cc, "test.c", "-L#{lib}", "-lyaml", "-o", "test"
    system "./test"
  end
end