Normally a package returns a set of standard variables such as Xxx_INCLUDE_DIRS. Adding this to a list that is collected for the project amounts to a bunch of boilerplate which can rather be encapsulated in a macro.
Normally a package returns a set of standard variables such as Xxx_INCLUDE_DIRS. Adding this to a list that is collected for the project amounts to a bunch of boilerplate which can rather be encapsulated in a macro.