vrpn: option syntax cleanup

Formula/vrpn.rb

@@ -1,12 +1,9 @@
-require "formula"
-
 class Vrpn < Formula
   desc "Virtual reality peripheral network"
-  homepage "http://vrpn.org"
+  homepage "https://github.com/vrpn/vrpn/wiki"
   url "https://github.com/vrpn/vrpn/releases/download/v07.33/vrpn_07_33.zip"
   sha256 "3cb9e71f17eb756fbcf738e6d5084d47b3b122b68b66d42d6769105cb18a79be"
-
-  head "git://git.cs.unc.edu/vrpn.git"
+  head "https://github.com/vrpn/vrpn.git"
 
   bottle do
     cellar :any
@@ -16,30 +13,32 @@ class Vrpn < Formula
     sha256 "edc3b260768bf854f98e36e487b1064f61f046b1104abbeb38a7c4ed25877487" => :mountain_lion
   end
 
-  option "clients", "Build client apps and tests"
+  option "with-clients", "Build client apps and tests"
   option "with-docs", "Build doxygen-based API documentation"
+
   deprecated_option "docs" => "with-docs"
+  deprecated_option "clients" => "with-clients"
 
   depends_on "cmake" => :build
-  depends_on "libusb" # for HID support
   depends_on "doxygen" => :build if build.with? "docs"
+  depends_on "libusb" # for HID support
 
   def install
     ENV.libstdcxx
 
     args = std_cmake_args
+    args << "-DCMAKE_OSX_SYSROOT=#{MacOS.sdk_path}"
 
-    if build.include? "clients"
+    if build.with? "clients"
       args << "-DVRPN_BUILD_CLIENTS:BOOL=ON"
     else
       args << "-DVRPN_BUILD_CLIENTS:BOOL=OFF"
     end
-    args << ".."
 
     mkdir "build" do
-      system "cmake", *args
-      system "make doc" if build.with? "docs"
-      system "make install"
+      system "cmake", "..", *args
+      system "make", "doc" if build.with? "docs"
+      system "make", "install"
     end
   end
 end