class Nghttp2 < Formula
  desc "HTTP/2 C Library"
  homepage "https://nghttp2.org/"
  url "https://github.com/nghttp2/nghttp2/releases/download/v1.40.0/nghttp2-1.40.0.tar.xz"
  sha256 "09fc43d428ff237138733c737b29fb1a7e49d49de06d2edbed3bc4cdcee69073"

  bottle do
    sha256 "7d8e5ffd4a51ee4c511f19b37d0285880d27239e0880113b6ad1412432aa9d11" => :catalina
    sha256 "82a8630c924aecc9e22712b700cede3129cdd77765e1dfc95977a5779d6a4dd1" => :mojave
    sha256 "77185d4ed48a5a8d00f486a0e7d09797db76ac0e280ae2aed0772dad271d4990" => :high_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@1.1"

  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