# Centos builds using static boost, which means tests don't
# build as test/tests.cc defines BOOST_TEST_DYN_LINK
cmd += ' --disable-tests'
+ if target.distro == 'debian' and target.version == 'unstable':
+ target.append_with_space('CXXFLAGS', '-std=c++11')
elif target.platform == 'windows':
cmd += ' --target-windows'
target.command(cmd)