On Tue, 31 Jul 2012 08:59:08 -0500 Nick Anderson <n...@cmdln.org> wrote:
NA> The file making the promise $(filename) gets set to different values
NA> based on a class. I thought due to normal ordering, on the first pass
NA> filename should get set to "/tmp/nodebug" since the debug class has not
NA> been raised yet. And then the files promise would create that file, but
NA> the only file created is "/tmp/debug" and it happens on the first pass.
...
NA> vars:
NA> debug::
NA> "filename" string => "/tmp/debug";
NA> !debug::
NA> "filename" string => "/tmp/nodebug";
NA> classes:
NA> "debug" expression => regcmp("(?i)yes|true|on", "$(param)");
Thinking about it, I think the key is that !debug requires knowledge of
the debug context, so it needs the context expression to converge. At
least that was my instinctive thinking when I wrote the above. But I
don't know the specific algorithm and I may indeed be taking advantage
of a bug :)
Ted
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