Linux下编译链接boost时的环境变量设置
以boost库的存放目录/usr/boost为例, 打开/etc/profile, 追加以下内容（前两行为编译时路径）: export CPLUS_INCLUDE_PATH=/usr/boost/include:$CPLUS_INCLUDE_PATHexport LIBRARY_PATH=/usr/boost/lib:$LIBRARY_PATHexport LD_LIBRARY_P
