class Libevent < Formula
  desc "Asynchronous event library"
  homepage "https://libevent.org/"
  url "https://github.com/libevent/libevent/archive/release-2.1.11-stable.tar.gz"
  sha256 "229393ab2bf0dc94694f21836846b424f3532585bac3468738b7bf752c03901e"
  revision 1

  bottle do
    cellar :any
    sha256 "9d262f9ffb2268340a89c713826d8ca068bcac06c30baf49e6184ab4660d977a" => :catalina
    sha256 "1e14fc34baae0b65cac6d7c75bc5ed0ccb1f6bbaa30c8f0f8477ab8ba85fb3c5" => :mojave
    sha256 "89df3b053409a11d520e9ca88aed17221416c60c5799ec51813f8c2c7e3536de" => :high_sierra
    sha256 "a9bddcb861a3464a0e9111926e4cb8d932ad860540f571edb74d448ef5a54811" => :sierra
  end

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "doxygen" => :build
  depends_on "libtool" => :build
  depends_on "pkg-config" => :build
  depends_on "openssl@1.1"

  def install
    inreplace "Doxyfile", /GENERATE_MAN\s*=\s*NO/, "GENERATE_MAN = YES"
    system "./autogen.sh"
    system "./configure", "--disable-dependency-tracking",
                          "--disable-debug-mode",
                          "--prefix=#{prefix}"
    system "make"
    system "make", "install"
    system "make", "doxygen"
    man3.install Dir["doxygen/man/man3/*.3"]
    doc.install Dir["doxygen/html/*"]
  end

  test do
    (testpath/"test.c").write <<~EOS
      #include <event2/event.h>

      int main()
      {
        struct event_base *base;
        base = event_base_new();
        event_base_free(base);
        return 0;
      }
    EOS
    system ENV.cc, "test.c", "-L#{lib}", "-levent", "-o", "test"
    system "./test"
  end
end