我确信退伍军人知道这个练习（因为这个问题似乎已经被问了十亿次），但是我在./configure从源代码安装一个软件 ( )时遇到了这个错误：
*** 'pkg-config --modversion glib-2.0' returned 2.48.1, but GLIB (2.48.0)
*** was found! If pkg-config was correct, then it is best
*** to remove the old version of GLib. You may also be able to fix the error
*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing
*** /etc/ld.so.conf. Make sure you have run ldconfig if that is
*** required on your system.
*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH
*** to …