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(Automatic Dependencies): Mention here that deps preclude intermediate files.

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Roland McGrath 1994-04-21 01:35:11 +00:00
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@ -2543,6 +2543,11 @@ main.o : main.c defs.h
Thus you no longer have to write all those rules yourself.
The compiler will do it for you.
Note that such a dependency constitutes mentioning @file{main.o} in a
makefile, so it can never be considered an intermediate file by implicit
rule search. This means that @code{make} won't ever remove the file
after using it; @pxref{Chained Rules, ,Chains of Implicit Rules}.
@cindex @code{make depend}
With old @code{make} programs, it was traditional practice to use this
compiler feature to generate dependencies on demand with a command like