Changing build system to waf
diff --git a/wscript b/wscript
new file mode 100644
index 0000000..863d2ac
--- /dev/null
+++ b/wscript
@@ -0,0 +1,191 @@
+# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+VERSION='0.3'
+APPNAME='ChronoChat'
+
+from waflib import Build, Logs, Utils, Task, TaskGen, Configure
+
+def options(opt):
+    opt.add_option('--debug',action='store_true',default=False,dest='debug',help='''debugging mode''')
+    # opt.add_option('--test', action='store_true',default=False,dest='_test',help='''build unit tests''')
+    # opt.add_option('--log4cxx', action='store_true',default=False,dest='log4cxx',help='''Compile with log4cxx logging support''')
+
+    # if Utils.unversioned_sys_platform () == "darwin":
+    #     opt.add_option('--auto-update', action='store_true',default=False,dest='autoupdate',help='''(OSX) Download sparkle framework and enable autoupdate feature''')
+
+    opt.load('compiler_c compiler_cxx boost protoc qt4')
+
+def configure(conf):
+    conf.load("compiler_c compiler_cxx")
+
+    if conf.options.debug:
+        conf.define ('_DEBUG', 1)
+        conf.add_supported_cxxflags (cxxflags = ['-O0',
+                                                 '-Wall',
+                                                 '-Wno-unused-variable',
+                                                 '-g3',
+                                                 '-Wno-unused-private-field', # only clang supports
+                                                 '-fcolor-diagnostics',       # only clang supports
+                                                 '-Qunused-arguments'         # only clang supports
+                                                 ])
+    else:
+        conf.add_supported_cxxflags (cxxflags = ['-O3', '-g'])
+
+    conf.check_cfg (package='libsync', args=['--cflags', '--libs'], uselib_store='SYNC', mandatory=True)
+
+    conf.define ("CHRONOCHAT_VERSION", VERSION)
+
+    # 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')
+
+    #     if conf.options.autoupdate:
+    #         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 ("http://sparkle.andymatuschak.org/files/Sparkle%201.5b6.zip", "build/Sparkle.zip")
+    #                     if os.path.exists('build/Sparkle.zip'):
+    #                         try:
+    #                             subprocess.check_call (['unzip', '-qq', 'build/Sparkle.zip', '-d', 'build/Sparkle'])
+    #                             os.remove ("build/Sparkle.zip")
+    #                             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")
+
+    #         if conf.is_defined('HAVE_SPARKLE'):
+    #             conf.env.HAVE_SPARKLE = 1 # small cheat for wscript
+
+    # if conf.options.log4cxx:
+    #     conf.check_cfg(package='liblog4cxx', args=['--cflags', '--libs'], uselib_store='LOG4CXX', mandatory=True)
+    #     conf.define ("HAVE_LOG4CXX", 1)
+
+    conf.load('protoc')
+
+    conf.load('qt4')
+
+    conf.load('boost')
+
+    conf.check_boost(lib='system test iostreams filesystem regex thread date_time random')
+
+    boost_version = conf.env.BOOST_VERSION.split('_')
+    if int(boost_version[0]) < 1 or int(boost_version[1]) < 46:
+        Logs.error ("Minumum required boost version is 1.46")
+        return
+
+    # if conf.options._test:
+    #     conf.define ('_TESTS', 1)
+    #     conf.env.TEST = 1
+
+    conf.write_config_header('config.h')
+
+def build (bld):
+    # # Unit tests
+    # if bld.env['TEST']:
+    #   unittests = bld.program (
+    #       target="unit-tests",
+    #       features = "qt4 cxx cxxprogram",
+    #       defines = "WAF",
+    #       source = bld.path.ant_glob(['test/*.cc']),
+    #       use = 'BOOST_TEST BOOST_FILESYSTEM BOOST_DATE_TIME LOG4CXX SQLITE3 QTCORE QTGUI ccnx database fs_watcher chronoshare',
+    #       includes = "ccnx scheduler src executor gui fs-watcher",
+    #       install_prefix = None,
+    #       )
+
+    qt = bld (
+        target = "ChronoChat",
+        features = "qt4 cxx cxxprogram",
+        defines = "WAF",
+        source = bld.path.ant_glob(['*.cpp', '*.ui', 'demo.qrc', '*.proto']),
+        includes = " . ",
+        use = "BOOST BOOST_FILESYSTEM BOOST_RANDOM BOOST_DATE_TIME SQLITE3 QTCORE QTGUI LOG4CXX SYNC",
+        )
+
+    if Utils.unversioned_sys_platform () == "darwin":
+        app_plist = '''<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
+<plist version="0.9">
+<dict>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleIconFile</key>
+    <string>demo.icns</string>
+    <key>CFBundleGetInfoString</key>
+    <string>Created by Waf</string>
+    <key>CFBundleIdentifier</key>
+    <string>edu.ucla.cs.irl.ChronoChat</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>NOTE</key>
+    <string>THIS IS A GENERATED FILE, DO NOT MODIFY</string>
+    <key>CFBundleExecutable</key>
+    <string>%s</string>
+    <key>SUPublicDSAKeyFile</key>
+    <string>dsa_pub.pem</string>
+    <key>CFBundleIconFile</key>
+    <string>demo.icns</string>
+</dict>
+</plist>'''
+
+    # <key>LSUIElement</key>
+    # <string>1</string>
+        qt.mac_app = "ChronoChat.app"
+        qt.mac_plist = app_plist % "ChronoChat"
+        qt.mac_resources = 'demo.icns'
+        # qt.use += " OSX_FOUNDATION OSX_COREWLAN adhoc"
+
+        # if bld.env['HAVE_SPARKLE']:
+        #     qt.use += " OSX_SPARKLE"
+        #     qt.source += ["osx/auto-update/sparkle-auto-update.mm"]
+        #     qt.includes += " osx/auto-update"
+        #     if bld.env['HAVE_LOCAL_SPARKLE']:
+        #         qt.mac_frameworks = "osx/Frameworks/Sparkle.framework"
+
+from waflib import TaskGen
+@TaskGen.extension('.mm')
+def m_hook(self, node):
+    """Alias .mm files to be compiled the same as .cc files, gcc/clang will do the right thing."""
+    return self.create_compiled_task('cxx', node)
+
+@Configure.conf
+def add_supported_cxxflags(self, cxxflags):
+    """
+    Check which cxxflags are supported by compiler and add them to env.CXXFLAGS variable
+    """
+    self.start_msg('Checking allowed flags for c++ compiler')
+
+    supportedFlags = []
+    for flag in cxxflags:
+        if self.check_cxx (cxxflags=[flag], mandatory=False):
+            supportedFlags += [flag]
+
+    self.end_msg (' '.join (supportedFlags))
+    self.env.CXXFLAGS += supportedFlags