diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
new file mode 100644
index 0000000..7a317b1
--- /dev/null
+++ b/.waf-tools/default-compiler-flags.py
@@ -0,0 +1,228 @@
+# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+
+import platform
+from waflib import Configure, Logs, Utils
+
+def options(opt):
+    opt.add_option('--debug', '--with-debug', action='store_true', default=False,
+                   help='Compile in debugging mode with minimal optimizations (-Og)')
+
+def configure(conf):
+    conf.start_msg('Checking C++ compiler version')
+
+    cxx = conf.env.CXX_NAME # generic name of the compiler
+    ccver = tuple(int(i) for i in conf.env.CC_VERSION)
+    ccverstr = '.'.join(conf.env.CC_VERSION)
+    errmsg = ''
+    warnmsg = ''
+    if cxx == 'gcc':
+        if ccver < (5, 3, 0):
+            errmsg = ('The version of gcc you are using is too old.\n'
+                      'The minimum supported gcc version is 7.4.0.')
+        elif ccver < (7, 4, 0):
+            warnmsg = ('Using a version of gcc older than 7.4.0 is not '
+                       'officially supported and may result in build failures.')
+        conf.flags = GccFlags()
+    elif cxx == 'clang':
+        if Utils.unversioned_sys_platform() == 'darwin' and ccver < (9, 0, 0):
+            errmsg = ('The version of Xcode you are using is too old.\n'
+                      'The minimum supported Xcode version is 9.0.')
+        elif ccver < (4, 0, 0):
+            errmsg = ('The version of clang you are using is too old.\n'
+                      'The minimum supported clang version is 4.0.')
+        conf.flags = ClangFlags()
+    else:
+        warnmsg = '%s compiler is unsupported' % cxx
+        conf.flags = CompilerFlags()
+
+    if errmsg:
+        conf.end_msg(ccverstr, color='RED')
+        conf.fatal(errmsg)
+    elif warnmsg:
+        conf.end_msg(ccverstr, color='YELLOW')
+        Logs.warn('WARNING: ' + warnmsg)
+    else:
+        conf.end_msg(ccverstr)
+
+    conf.areCustomCxxflagsPresent = (len(conf.env.CXXFLAGS) > 0)
+
+    # General flags are always applied (e.g., selecting C++ language standard)
+    generalFlags = conf.flags.getGeneralFlags(conf)
+    conf.add_supported_cxxflags(generalFlags['CXXFLAGS'])
+    conf.add_supported_linkflags(generalFlags['LINKFLAGS'])
+    conf.env.DEFINES += generalFlags['DEFINES']
+
+@Configure.conf
+def check_compiler_flags(conf):
+    # 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:
+        extraFlags = conf.flags.getDebugFlags(conf)
+        if conf.areCustomCxxflagsPresent:
+            missingFlags = [x for x in extraFlags['CXXFLAGS'] if x not in conf.env.CXXFLAGS]
+            if missingFlags:
+                Logs.warn('Selected debug mode, but CXXFLAGS is set to a custom value "%s"'
+                          % ' '.join(conf.env.CXXFLAGS))
+                Logs.warn('Default flags "%s" will not be used' % ' '.join(missingFlags))
+    else:
+        extraFlags = conf.flags.getOptimizedFlags(conf)
+
+    if not conf.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 = []
+    for flags in cxxflags:
+        flags = Utils.to_list(flags)
+        if self.check_cxx(cxxflags=['-Werror'] + flags, mandatory=False):
+            supportedFlags += flags
+
+    self.end_msg(' '.join(supportedFlags))
+    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 = []
+    for flags in linkflags:
+        flags = Utils.to_list(flags)
+        if self.check_cxx(linkflags=['-Werror'] + flags, mandatory=False):
+            supportedFlags += flags
+
+    self.end_msg(' '.join(supportedFlags))
+    self.env.prepend_value('LINKFLAGS', supportedFlags)
+
+
+class CompilerFlags(object):
+    def getCompilerVersion(self, conf):
+        return tuple(int(i) for i in conf.env.CC_VERSION)
+
+    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++14']
+        if Utils.unversioned_sys_platform() == 'linux':
+            flags['LINKFLAGS'] += ['-fuse-ld=gold']
+        elif Utils.unversioned_sys_platform() == 'freebsd':
+            flags['LINKFLAGS'] += ['-fuse-ld=lld']
+        return flags
+
+    def getDebugFlags(self, conf):
+        flags = super(GccBasicFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-Og',
+                              '-g3',
+                              '-pedantic',
+                              '-Wall',
+                              '-Wextra',
+                              '-Werror',
+                              '-Wcatch-value=2',
+                              # '-Wextra-semi', # prevent noisy output with Qt5
+                              '-Wnon-virtual-dtor',
+                              '-Wno-error=deprecated-declarations', # Bug #3795
+                              '-Wno-error=maybe-uninitialized', # Bug #1615
+                              '-Wno-unused-parameter',
+                              '-Wno-error=deprecated-copy', # Qt5
+                              ]
+        flags['LINKFLAGS'] += ['-Wl,-O1']
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(GccBasicFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-O2',
+                              '-g',
+                              '-pedantic',
+                              '-Wall',
+                              '-Wextra',
+                              '-Wcatch-value=2',
+                              '-Wextra-semi',
+                              '-Wnon-virtual-dtor',
+                              '-Wno-unused-parameter',
+                              ]
+        flags['LINKFLAGS'] += ['-Wl,-O1']
+        return flags
+
+class GccFlags(GccBasicFlags):
+    def getDebugFlags(self, conf):
+        flags = super(GccFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-fdiagnostics-color',
+                              '-Wredundant-tags',
+                              ]
+        if platform.machine() == 'armv7l' and self.getCompilerVersion(conf) >= (7, 1, 0):
+            flags['CXXFLAGS'] += ['-Wno-psabi'] # Bug #5106
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(GccFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-fdiagnostics-color',
+                              '-Wredundant-tags',
+                              ]
+        if platform.machine() == 'armv7l' and self.getCompilerVersion(conf) >= (7, 1, 0):
+            flags['CXXFLAGS'] += ['-Wno-psabi'] # Bug #5106
+        return flags
+
+class ClangFlags(GccBasicFlags):
+    def getGeneralFlags(self, conf):
+        flags = super(ClangFlags, self).getGeneralFlags(conf)
+        if Utils.unversioned_sys_platform() == 'darwin':
+            # Bug #4296
+            flags['CXXFLAGS'] += [['-isystem', '/usr/local/include'], # for Homebrew
+                                  ['-isystem', '/opt/local/include']] # for MacPorts
+        elif Utils.unversioned_sys_platform() == 'freebsd':
+            # Bug #4790
+            flags['CXXFLAGS'] += [['-isystem', '/usr/local/include']]
+        return flags
+
+    def getDebugFlags(self, conf):
+        flags = super(ClangFlags, self).getDebugFlags(conf)
+        flags['CXXFLAGS'] += ['-fcolor-diagnostics',
+                              '-Wundefined-func-template',
+                              '-Wno-unused-local-typedef', # Bugs #2657 and #3209
+                              ]
+        if self.getCompilerVersion(conf) < (6, 0, 0):
+            flags['CXXFLAGS'] += ['-Wno-missing-braces'] # Bug #4721
+        return flags
+
+    def getOptimizedFlags(self, conf):
+        flags = super(ClangFlags, self).getOptimizedFlags(conf)
+        flags['CXXFLAGS'] += ['-fcolor-diagnostics',
+                              '-Wundefined-func-template',
+                              '-Wno-unused-local-typedef', # Bugs #2657 and #3209
+                              ]
+        if self.getCompilerVersion(conf) < (6, 0, 0):
+            flags['CXXFLAGS'] += ['-Wno-missing-braces'] # Bug #4721
+        return flags
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