blob: f0f04824af8a636c0d1867d72cee405df24bb65e [file] [log] [blame]
# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
#
# Copyright (c) 2014, Regents of the University of California
#
# GPL 3.0 license, see the COPYING.md file for more information
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)''')
def configure(conf):
areCustomCxxflagsPresent = (len(conf.env.CXXFLAGS) > 0)
if conf.options.debug:
conf.define('_DEBUG', 1)
defaultFlags = ['-O0', '-g3',
'-Werror',
'-Wall',
'-fcolor-diagnostics', # only clang supports
# to disable known warnings
'-Wno-unused-variable', # cryptopp
'-Wno-unused-function',
'-Wno-deprecated-declarations',
]
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(cxxflags = defaultFlags)
else:
defaultFlags = ['-O2', '-g', '-Wall',
# to disable known warnings
'-Wno-unused-variable', # cryptopp
'-Wno-unused-function',
'-Wno-deprecated-declarations',
]
if not areCustomCxxflagsPresent:
conf.add_supported_cxxflags(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=[flag], mandatory=False):
supportedFlags += [flag]
self.end_msg(' '.join (supportedFlags))
self.env.CXXFLAGS = supportedFlags + self.env.CXXFLAGS