bug+codestyle: Fix compile bugs and adjust code style
Change-Id: I008bb538441c099fa25b8b967fbf23ffce13a220
diff --git a/waf-tools/default-compiler-flags.py b/waf-tools/default-compiler-flags.py
new file mode 100644
index 0000000..e6e13fa
--- /dev/null
+++ b/waf-tools/default-compiler-flags.py
@@ -0,0 +1,62 @@
+# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+
+from waflib import Logs, Configure
+
+def options(opt):
+ opt.add_option('--debug', '--with-debug', action='store_true', default=False, dest='debug',
+ help='''Compile in debugging mode without all optimizations (-O0)''')
+ opt.add_option('--with-c++11', action='store_true', default=False, dest='use_cxx11',
+ help='''Use C++ 11 features if available in the compiler''')
+
+def configure(conf):
+ areCustomCxxflagsPresent = (len(conf.env.CXXFLAGS) > 0)
+ defaultFlags = []
+
+ if conf.options.use_cxx11:
+ defaultFlags += ['-std=c++0x', '-std=c++11']
+ else:
+ defaultFlags += ['-std=c++03']
+
+ defaultFlags += ['-pedantic', '-Wall', '-Wno-long-long', '-Wno-unneeded-internal-declaration',
+ '-Wno-c++11-extensions', '-Wno-nested-anon-types']
+
+ if conf.options.debug:
+ conf.define('_DEBUG', 1)
+ conf.env['_DEBUG'] = 1
+ defaultFlags += ['-O0',
+ '-Og', # gcc >= 4.8
+ '-g3',
+ '-fcolor-diagnostics', # clang
+ '-fdiagnostics-color', # gcc >= 4.9
+ '-Werror',
+ '-Wno-unused-variable',
+ '-Wno-error=deprecated-register',
+ '-Wno-error=maybe-uninitialized', # Bug #1615
+ ]
+ if areCustomCxxflagsPresent:
+ missingFlags = [x for x in defaultFlags 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)
+
+@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=['-Werror', flag], mandatory=False):
+ supportedFlags += [flag]
+
+ self.end_msg(' '.join(supportedFlags))
+ self.env.CXXFLAGS = supportedFlags + self.env.CXXFLAGS