diff --git a/.waf-tools/osx-frameworks.py b/.waf-tools/osx-frameworks.py
new file mode 100644
index 0000000..254fa8a
--- /dev/null
+++ b/.waf-tools/osx-frameworks.py
@@ -0,0 +1,69 @@
+#! /usr/bin/env python
+# encoding: utf-8
+
+from waflib import Logs, Utils
+from waflib.Configure import conf
+
+OSX_SECURITY_CODE='''
+#import <AppKit/AppKit.h>
+#import <Foundation/Foundation.h>
+#import <Sparkle/Sparkle.h>
+#import <CoreWLAN/CWInterface.h>
+#import <CoreWLAN/CoreWLAN.h>
+#import <CoreWLAN/CoreWLANConstants.h>
+#import <CoreWLAN/CoreWLANTypes.h>
+int main() { }
+'''
+
+@conf
+def configure(conf):
+    if Utils.unversioned_sys_platform () == "darwin":
+        conf.check_cxx(framework_name='Foundation', uselib_store='OSX_FOUNDATION', mandatory=False, compile_filename='test.mm')
+        conf.check_cxx(framework_name='AppKit',     uselib_store='OSX_APPKIT',     mandatory=False, compile_filename='test.mm')
+        conf.check_cxx(framework_name='CoreWLAN',   uselib_store='OSX_COREWLAN',   define_name='HAVE_COREWLAN',
+                       use="OSX_FOUNDATION", mandatory=False, compile_filename='test.mm')
+
+        def check_sparkle(**kwargs):
+          conf.check_cxx(framework_name="Sparkle", header_name=["Foundation/Foundation.h", "AppKit/AppKit.h"],
+                         uselib_store='OSX_SPARKLE', define_name='HAVE_SPARKLE', mandatory=True,
+                         compile_filename='test.mm', use="OSX_FOUNDATION OSX_APPKIT",
+                         **kwargs
+                         )
+        try:
+            # Try standard paths first
+            check_sparkle()
+        except:
+            try:
+                # Try local path
+                Logs.info ("Check local version of Sparkle framework")
+                check_sparkle(cxxflags="-F%s/osx/Frameworks/" % conf.path.abspath(),
+                              linkflags="-F%s/osx/Frameworks/" % conf.path.abspath())
+                conf.env.HAVE_LOCAL_SPARKLE = 1
+            except:
+                import urllib, subprocess, os, shutil
+                if not os.path.exists('osx/Frameworks/Sparkle.framework'):
+                    # Download to local path and retry
+                    Logs.info ("Sparkle framework not found, trying to download it to 'build/'")
+
+                    urllib.urlretrieve ("https://github.com/sparkle-project/Sparkle/releases/download/1.16.0/Sparkle-1.16.0.tar.bz2", "build/Sparkle.tar.bz2")
+                    if os.path.exists('build/Sparkle.tar.bz2'):
+                        try:
+                            subprocess.check_call(['mkdir', 'build/Sparkle'])
+                            subprocess.check_call(['tar', 'xjf', 'build/Sparkle.tar.bz2', '-C', 'build/Sparkle'])
+                            os.remove("build/Sparkle.tar.bz2")
+                            if not os.path.exists("osx/Frameworks"):
+                                os.mkdir ("osx/Frameworks")
+                            os.rename("build/Sparkle/Sparkle.framework", "osx/Frameworks/Sparkle.framework")
+                            shutil.rmtree("build/Sparkle", ignore_errors=True)
+
+                            check_sparkle(cxxflags="-F%s/osx/Frameworks/" % conf.path.abspath(),
+                                          linkflags="-F%s/osx/Frameworks/" % conf.path.abspath())
+                            conf.env.HAVE_LOCAL_SPARKLE = 1
+                        except subprocess.CalledProcessError as e:
+                            conf.fatal("Cannot find Sparkle framework. Auto download failed: '%s' returned %s" % (' '.join(e.cmd), e.returncode))
+                        except:
+                            conf.fatal("Unknown Error happened when auto downloading Sparkle framework")
+
+        conf.env['LDFLAGS_OSX_SPARKLE'] += ['-Wl,-rpath,@loader_path/../Frameworks']
+        if conf.is_defined('HAVE_SPARKLE'):
+            conf.env.HAVE_SPARKLE = 1 # small cheat for wscript