gnu's make (a.k.a gmake) has a nifty piece of functionality that, while it may be possible to perform with make, for the life of me I can't figure out the syntax.
Let's say you have a list of files a b c d that get transformed by program foo into a.x b.x c.x and d.x
Further, let us suppose that you have another list of files e f g that get tranformed by bar into e.x f.x and g.x
Note how the resulting files all have a .x extension, yet are produced with two different programs.
In gnu parlance, one would write something like
FOO = a.x b.x c.x d.x BAR = e.x f.x g.x
$(FOO): %.x: %
foo $<$(BAR): %.x: %
bar $<Which roughly translates to "for the files in the FOO list, you get to something.x from something, by running 'foo something' (since foo produces something.x as a result). And the resulting Makefile is very compact.
Can this be done with make (without repeating things in more than one place in the Makefile)? I'm quite happy with the gmake way of doing things, except of course I keep running 'make' instead of 'gmake' and it complains out the syntax. If I could just teach make how to do this it would be more comfortable.
Thanks, David :x
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