I think this is fine, but maybe >CXX_fake = @glibcpp_CXX@ >-CXX=`echo $(CXX_fake) | sed 's/xgcc/g++/g'` >+CXX=`echo "$(CXX_fake) " | sed 's/xgcc /g++/'` should be +CXX=`echo "$(CXX_fake) " | sed 's/gcc\/xgcc /gcc\/g++ /'` -benjamin