Michael R. Head wrote:
On Mon, 2009-04-06 at 14:15 +0200, Danny Boelens wrote:
Michael R. Head wrote:
I'm wondering if anyone has any suggestions on improving it. At a
minimum, I'd like to get rid of the foreachs in the targets.
>>
You can do that because you know how you constructed the cross product
targets. In your case: if you replace the underscore ('_') with a space
(' '), the cross product target falls apart into its components again:
True. But spaces in filenames are evil!
I agree. But I have a feeling you missed my point there. The thing is
that your cross product files still have the underscore ('_') in their
filename, so there won't be any spaces in filenames on disk. But at the
same time the subst call can help in getting a (Makefile internal if you
want) list with the a and b part of the cross product.
So for example you'll still have 'a1_b4' on disk, but 'a1 b4' after the
subst to work with in your Makefile and get the prerequisites without
the foreach stuff.
Bottom line: no evil spaces in filenames!
Anyway, that's all rather irrelevant if you like the other solution :-)
Best regards,
Danny
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