linux库环境变量

LIBRARY_PATH 编译时链接
LD_LIBRARY_PATH 运行时链接

LD_LIBRARY_PATH="/home/xx/lib/zlib/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
LD_LIBRARY_PATH="/home/xx/lib/glibc-2.25/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
LD_LIBRARY_PATH="/home/xx/lib/glibc-2.27/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
LD_LIBRARY_PATH="/home/x/lib/glibc-2.28/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"

export LD_LIBRARY_PATH

多个目录时用冒号分隔