%% Noel Yap <[EMAIL PROTECTED]> writes:
ny> Robert P. J. Day wrote:
>> *now*, i want to add another target, "populate", which works almost
>> the same way but it has to do some preliminary processing in this
>> makefile before the recursive (potentially parallel) call to the
>> subdirectories.
>>
>> if i call this preliminary processing step, say, "pre-populate", i
>> can't just do this:
>>
>> populate: pre-populate ${SUBDIRS}
>>
>> as those steps would be allowed to be done in parallel, which is not
>> good. and i can't add
>>
>> ${SUBDIRS}: pre-populate
>>
>> since that dependency should *only* take effect when i'm invoking the
>> makefile with the "populate" target, and no others.
ny> Then it sounds like you need to use order rules.
Order rules won't keep the dependency from taking effect if the
"populate" target is not specified.
--
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