| # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*- |
| |
| from waflib import Logs, Configure |
| |
| 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 |