diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
index 458677e..bccd7ff 100644
--- a/.waf-tools/default-compiler-flags.py
+++ b/.waf-tools/default-compiler-flags.py
@@ -1,49 +1,77 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 
-from waflib import Logs, Configure
+from waflib import Logs, Configure, Utils
 
 def options(opt):
     opt.add_option('--debug', '--with-debug', action='store_true', default=False, dest='debug',
-                   help='''Compile in debugging mode without optimizations (-O0 or -Og)''')
+                   help='''Compile in debugging mode with minimal optimizations (-O0 or -Og)''')
 
 def configure(conf):
-    areCustomCxxflagsPresent = (len(conf.env.CXXFLAGS) > 0)
-    defaultFlags = ['-std=c++0x', '-std=c++11',
-                    '-stdlib=libc++',   # clang on OSX < 10.9 by default uses gcc's
-                                        # libstdc++, which is not C++11 compatible
-                    '-pedantic', '-Wall']
+    conf.start_msg('Checking C++ compiler version')
 
+    cxx = conf.env['CXX_NAME'] # CXX_NAME is the generic name of the compiler
+    ccver = tuple(int(i) for i in conf.env['CC_VERSION'])
+    errmsg = ''
+    warnmsg = ''
+    if cxx == 'gcc':
+        if ccver < (4, 8, 2):
+            errmsg = ('The version of gcc you are using is too old.\n'
+                      'The minimum supported gcc version is 4.8.2.')
+        flags = GccFlags()
+    elif cxx == 'clang':
+        if ccver < (3, 4, 0):
+            errmsg = ('The version of clang you are using is too old.\n'
+                      'The minimum supported clang version is 3.4.0.')
+        flags = ClangFlags()
+    else:
+        warnmsg = 'Note: %s compiler is unsupported' % cxx
+        flags = CompilerFlags()
+
+    if errmsg:
+        conf.end_msg('.'.join(conf.env['CC_VERSION']), color='RED')
+        conf.fatal(errmsg)
+    elif warnmsg:
+        conf.end_msg('.'.join(conf.env['CC_VERSION']), color='YELLOW')
+        Logs.warn(warnmsg)
+    else:
+        conf.end_msg('.'.join(conf.env['CC_VERSION']))
+
+    areCustomCxxflagsPresent = (len(conf.env.CXXFLAGS) > 0)
+
+    # General flags are always applied (e.g., selecting C++11 mode)
+    generalFlags = flags.getGeneralFlags(conf)
+    conf.add_supported_cxxflags(generalFlags['CXXFLAGS'])
+    conf.add_supported_linkflags(generalFlags['LINKFLAGS'])
+    conf.env.DEFINES += generalFlags['DEFINES']
+
+    # Debug or optimized CXXFLAGS and LINKFLAGS are applied only if the
+    # corresponding environment variables are not set.
+    # DEFINES are always applied.
     if conf.options.debug:
-        conf.define('_DEBUG', 1)
-        defaultFlags += ['-O0',
-                         '-Og', # gcc >= 4.8
-                         '-g3',
-                         '-fcolor-diagnostics', # clang
-                         '-fdiagnostics-color', # gcc >= 4.9
-                         '-Werror',
-                         '-Wno-error=maybe-uninitialized',
-                        ]
+        extraFlags = flags.getDebugFlags(conf)
         if areCustomCxxflagsPresent:
-            missingFlags = [x for x in defaultFlags if x not in conf.env.CXXFLAGS]
+            missingFlags = [x for x in extraFlags['CXXFLAGS'] if x not in conf.env.CXXFLAGS]
             if len(missingFlags) > 0:
                 Logs.warn("Selected debug mode, but CXXFLAGS is set to a custom value '%s'"
                           % " ".join(conf.env.CXXFLAGS))
                 Logs.warn("Default flags '%s' are not activated" % " ".join(missingFlags))
-        else:
-            conf.add_supported_cxxflags(defaultFlags)
     else:
-        defaultFlags += ['-O2', '-g']
-        if not areCustomCxxflagsPresent:
-            conf.add_supported_cxxflags(defaultFlags)
+        extraFlags = flags.getOptimizedFlags(conf)
 
-    # clang on OSX < 10.9 by default uses gcc's libstdc++, which is not C++11 compatible
-    conf.add_supported_linkflags(['-stdlib=libc++'])
+    if not areCustomCxxflagsPresent:
+        conf.add_supported_cxxflags(extraFlags['CXXFLAGS'])
+        conf.add_supported_linkflags(extraFlags['LINKFLAGS'])
+
+    conf.env.DEFINES += extraFlags['DEFINES']
 
 @Configure.conf
 def add_supported_cxxflags(self, cxxflags):
     """
     Check which cxxflags are supported by compiler and add them to env.CXXFLAGS variable
     """
+    if len(cxxflags) == 0:
+        return
+
     self.start_msg('Checking supported CXXFLAGS')
 
     supportedFlags = []
@@ -52,13 +80,16 @@
             supportedFlags += [flag]
 
     self.end_msg(' '.join(supportedFlags))
-    self.env.CXXFLAGS = supportedFlags + self.env.CXXFLAGS
+    self.env.prepend_value('CXXFLAGS', supportedFlags)
 
 @Configure.conf
 def add_supported_linkflags(self, linkflags):
     """
     Check which linkflags are supported by compiler and add them to env.LINKFLAGS variable
     """
+    if len(linkflags) == 0:
+        return
+
     self.start_msg('Checking supported LINKFLAGS')
 
     supportedFlags = []
@@ -67,4 +98,77 @@
             supportedFlags += [flag]
 
     self.end_msg(' '.join(supportedFlags))
-    self.env.LINKFLAGS = supportedFlags + self.env.LINKFLAGS
+    self.env.prepend_value('LINKFLAGS', supportedFlags)
+
+
+class CompilerFlags(object):
+    def getGeneralFlags(self, conf):
+        """Get dict of CXXFLAGS, LINKFLAGS, and DEFINES that are always needed"""
+        return {'CXXFLAGS': [], 'LINKFLAGS': [], 'DEFINES': []}
+
+    def getDebugFlags(self, conf):
+        """Get dict of CXXFLAGS, LINKFLAGS, and DEFINES that are needed only in debug mode"""
+        return {'CXXFLAGS': [], 'LINKFLAGS': [], 'DEFINES': ['_DEBUG']}
+
+    def getOptimizedFlags(self, conf):
+        """Get dict of CXXFLAGS, LINKFLAGS, and DEFINES that are needed only in optimized mode"""
+        return {'CXXFLAGS': [], 'LINKFLAGS': [], 'DEFINES': ['NDEBUG']}
+
+class GccBasicFlags(CompilerFlags):
+    """
+    This class defines basic flags that work for both gcc and clang compilers
+    """
+    def getGeneralFlags(self, conf):
+        flags = super(GccBasicFlags, self).getGeneralFlags(conf)
+        flags['CXXFLAGS'] += ['-std=c++11']
+        return flags
+
+    def getDebugFlags(self, conf):
+        flags = super(GccBasicFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-O0',
+                              '-Og', # gcc >= 4.8, clang >= 4.0
+                              '-g3',
+                              '-pedantic',
+                              '-Wall',
+                              '-Wextra',
+                              '-Werror',
+                              '-Wno-error=deprecated-declarations', # Bug #3795
+                              '-Wno-error=maybe-uninitialized', # Bug #1615
+                              '-Wno-unused-parameter',
+                              ]
+        flags['LINKFLAGS'] += ['-fuse-ld=gold', '-Wl,-O1']
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(GccBasicFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-O2',
+                              '-g',
+                              '-pedantic',
+                              '-Wall',
+                              '-Wextra',
+                              '-Wno-unused-parameter',
+                              ]
+        flags['LINKFLAGS'] += ['-fuse-ld=gold', '-Wl,-O1']
+        return flags
+
+class GccFlags(GccBasicFlags):
+    def getDebugFlags(self, conf):
+        flags = super(GccFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-fdiagnostics-color'] # gcc >= 4.9
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(GccFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-fdiagnostics-color'] # gcc >= 4.9
+        return flags
+
+class ClangFlags(GccBasicFlags):
+    def getDebugFlags(self, conf):
+        flags = super(ClangFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-fcolor-diagnostics']
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(ClangFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-fcolor-diagnostics']
+        return flags