'''pkg-config''' is a computer program that providesdefines and supports a unified interface for querying installed [[library (computer science)|libraries]] for the purpose of [[Compiler|compiling]] software from its [[source code]]. It allows programmers and installation scripts to work without explicit knowledge of detailed library path information. pkg-config was originally designed for [[Linux]], but it is now also available for the various [[Berkeley Software Distribution|BSD]]s, [[Microsoft Windows]], [[Mac OS X]], and [[Solaris (operating system)|Solaris]].
It outputs various information about installed libraries. This information may include:
