class Nghttp2 < Formula
  desc "HTTP/2 C Library"
  homepage "https://nghttp2.org/"
  url "https://github.com/nghttp2/nghttp2/releases/download/v1.38.0/nghttp2-1.38.0.tar.xz"
  sha256 "ef75c761858241c6b4372fa6397aa0481a984b84b7b07c4ec7dc2d7b9eee87f8"

  bottle do
    sha256 "aebb18502b1abd48b42022d09c37eff0486bdecd250e15e2cc98ca265f06e03a" => :mojave
    sha256 "20703302a2bd99bc0580c5b76fcaec062e65a6f40d356ff9f1e2d2134d92f117" => :high_sierra
    sha256 "b373c7c7f0df4e544a19fb623169bc3387515eb5aa53ca4a059624c20a5dec54" => :sierra
  end

  head do
    url "https://github.com/nghttp2/nghttp2.git"

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

  depends_on "cunit" => :build
  depends_on "pkg-config" => :build
  depends_on "sphinx-doc" => :build
  depends_on "c-ares"
  depends_on "jansson"
  depends_on "jemalloc"
  depends_on "libev"
  depends_on "libevent"
  depends_on "openssl"

  def install
    ENV.cxx11

    args = %W[
      --prefix=#{prefix}
      --disable-silent-rules
      --enable-app
      --disable-python-bindings
      --with-xml-prefix=/usr
    ]

    # requires thread-local storage features only available in 10.11+
    args << "--disable-threads" if MacOS.version < :el_capitan

    system "autoreconf", "-ivf" if build.head?
    system "./configure", *args
    system "make"
    system "make", "check"
    system "make", "install"
  end

  test do
    system bin/"nghttp", "-nv", "https://nghttp2.org"
  end
end