libmaxminddb 0.5.2

Maxmind has a new data format. libmaxminddb succeeds libgeoip and
supports newer data sets.

Closes Homebrew/homebrew#24614.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/libmaxminddb.rb

@@ -0,0 +1,27 @@
+require 'formula'
+
+class Libmaxminddb < Formula
+  homepage 'https://github.com/maxmind/libmaxminddb'
+  url 'https://github.com/maxmind/libmaxminddb/releases/download/0.5.2/libmaxminddb-0.5.2.tar.gz'
+  sha1 'db7618a97c222cab0a0ba2fb8439abcd1465f10c'
+
+  option :universal
+
+  def install
+    ENV.universal_binary if build.universal?
+
+    system "./configure", "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}"
+    system "make", "check"
+    system "make", "install"
+  end
+
+  test do
+    system "curl", "-O", "http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.mmdb.gz"
+    system "gunzip", "GeoLite2-Country.mmdb.gz"
+    system "#{bin}/mmdblookup", "-f", "GeoLite2-Country.mmdb",
+                                "-i", "8.8.8.8"
+  end
+end