Because of the diversity of the Unix system, the famous ‘configure’ script should be runned before compiling the source code on the system. The script check your system environment such as where your library locate and help you decide which part of the source code should be complied. This small simple qucik refrence is made by myself when I started to work as Software Engineer.
Before the end of June, 2005. I never heard of `Emacs‘ despite graduating with a computer science degree. Thanks to Daniel who told me such an excellent Editor and who taught me lots of tricks.