I have a script that generates interface bindings by reading header
files. (It's sort of a crude homemade version of `swig'.) I want
this script to run not just when any of the files changes, but also
if any of those files _gets deleted_. So I decided to write a rule
like this:
bindings: $(wildcard $(header_dir)/*.h) $(header_dir)
./make-bindings
It seems to work -- that is, the rule runs not only when one of the
header files changes, but also after I delete or add a header file.
The question is: can I depend upon this behavior? That is, can I
depend upon `make' reading the last-mod time of a directory? The
documentation doesn't say anything about this; it only refers to
prerequisites as files.
--
Always code as if the guy who ends up maintaining your code will
be a violent psychopath who knows where you live. John F. Woods
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