import os ; if ! [ os.environ BOOST_ROOT ] { exit "Error: Set BOOST_ROOT environment variable to Boost root directory" ; } local BOOST_ROOT = [ os.environ BOOST_ROOT ] ; echo "Using Boost libraries from:" $(BOOST_ROOT) ; use-project boost : $(BOOST_ROOT) ; project : requirements gcc:-std=c++11 clang:-std=c++11 "./include" $(BOOST_ROOT) $(BOOST_ROOT)/stage/lib ; echo """ Examples: $ wave # pre-process to pp.* """ ;