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A number of useful macros exist which may be used anywhere throughout the `Makefile' . Macros start with a dollar sign, like shell variables . Our first `Makefile' used a few:
Here, syntactic forms of `$(..)' are
In a `Makefile' ,
Other built-in macros exist with fixed semantics. The two most common macros are
This is what
The GNU Make manual documents these macros in more detail.