gpsd 3.7

Closes Homebrew/homebrew#12518.

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

Formula/gpsd.rb

@@ -0,0 +1,16 @@
+require 'formula'
+
+class Gpsd < Formula
+  homepage 'https://savannah.nongnu.org/projects/gpsd'
+  url 'http://download.savannah.gnu.org/releases/gpsd/gpsd-3.7.tar.gz'
+  sha1 '6e9ae7c1117102de4f96193a2fdd2778d87af045'
+
+  depends_on 'scons' => :build
+  depends_on 'libusb' => :optional
+
+  def install
+    system "scons", "chrpath=False", "python=False", "strip=False", "shared=False",
+                    "prefix=#{prefix}/"
+    system "scons install"
+  end
+end