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Standard Macros

Most if not all actions a Makefile needs to perform can be controlled entirely by setting one or more standard macros. In general, defining a macro to have a (non-trivial) body enables a particular behavior, while omitting a macro or defining it to have a trivial body (i.e. an empty definition) disables that behavior. This way, a single Makefile can in principle control many distinct build actions. Note that it is not always a good idea to structure Makefiles this way, but this flexibility exists to allow individual mission teams to lay out their directories in the way they choose.



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Bryan Irby 2018-06-27