Whenever you build an application from source code, you need the right set of tools and libraries. OpenLDAP is no exception. Thankfully, OpenLDAP is a little lighter on requirements than some server applications out there.
Compiling is done on the command line, so you will need to open a terminal or otherwise gain access to the shell.
You will need the standard tool chain for working with C and C++ applications; a C compiler, a linker, and a make program. Fortunately, all of these come as standard with almost every Linux distribution available. You can test your system for the appropriate tools using the
which command, which will tell you where the tools are located on your filesystem (assuming they are in one ...