class Leptonica < Formula
  desc "Image processing and image analysis library"
  homepage "http://www.leptonica.org/"
  url "https://github.com/DanBloomberg/leptonica/releases/download/1.85.0/leptonica-1.85.0.tar.gz"
  sha256 "3745ae3bf271a6801a2292eead83ac926e3a9bc1bf622e9cd4dd0f3786e17205"
  license "BSD-2-Clause"

  depends_on "pkg-config" => :build
  depends_on "giflib"
  depends_on "jpeg-turbo"
  depends_on "libpng"
  depends_on "libtiff"
  depends_on "openjpeg"
  depends_on "webp"

  uses_from_macos "zlib"

  def install
    system "./configure", "--with-libwebp", "--with-libopenjpeg", *std_configure_args
    system "make", "install"
  end

  test do
    (testpath/"test.cpp").write <<~EOS
      #include <iostream>
      #include <leptonica/allheaders.h>

      int main(int argc, char **argv) {
          fprintf(stdout, "%d.%d.%d", LIBLEPT_MAJOR_VERSION, LIBLEPT_MINOR_VERSION, LIBLEPT_PATCH_VERSION);
          return 0;
      }
    EOS

    flags = ["-I#{include}/leptonica"] + ENV.cflags.to_s.split
    system ENV.cxx, "test.cpp", *flags
    assert_equal version.to_s, `./a.out`
  end
end