Does someone know of any uses of m4 besides autoconf (preferably in a c or c++ environment) that is more than just an academic excerise, because it helped solve a problem that would otherwise (for example with a 'standard' preprocessor) have been difficult to solve.

I ask this because I am thinking about a way to do a project in c++ where I want to reduce or minimize redundancies by using scripts, preprocessors, whatevers.

c++ c preprocessor autoconf m4
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