Hi George,
> --------------------
> Goo:
> @echo "Goo"
>
> Foo: Goo
>
> Foo:
> @echo "Foo"
> --------------------
> when I execute make Foo, the output is,
> --------------------
> Goo
> Foo
> --------------------
> So, my question is that. Is it ok to define a target more
> than once? Always ok or under some conditions?
Check the manual :-) Chapter 4.10 Multiple Rules for One Target (version
3.81).
'Foo : Goo' just adds a prerequisite to Foo. The actual command/recipe is
defined in the last Foo rule. This can be used to add dependencies for
example. I use:
foo.o : foo.c
@build foo
and then I also include a makefile that contains:
foo.o : foo.h bar.h
This is the same as:
foo.o : foo.c foo.h bar.h
Regards,
Joost Leeuwesteijn
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