The clue is in the title of the boost web-page "Boost C++ Libraries", i.e. there are only libraries (to link your app to), no executable(s) (unless you're building/running the tests).
degski
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"Ihre sogenannte Religion wirkt bloß wie ein Opiat reizend, betäubend, Schmerzen aus Schwäche stillend." - Novalis 1798