At 11/19/2005 04:51 AM, Brendan Heading wrote:
I don't yet see this explained clearly in any of the any of the manual
(at http://www.gnu.org/software/make/manual/html_chapter/make_toc.html ),
and I have read most of the manual, including the parts on rule-writing.
The manual definitely says that the prereqs are always processed
left-to-right for non-parallel builds.
Can you possibly point out the section/verbiage that refers to this? I
went on a sincere search for this a while back and didn't see it. Thanks
for any help.
-Matt
I'd suggest avoiding using any of make's more advanced syntax, and instead
look into your prerequisites and understand why they are interdependent.
Then you can do something like
target: prereq1 prereq2
prereq2:prereq1
<do prereq2>
prereq1:
<do prereq1>
With the above syntax, we are explicitly telling make to order the prereq
processing in a certain way even if there are parallel builds.
Sounds like good advice.
However, a problem arises with vpath and directories that are created at
makefile run time. I plan on starting a separate email thread on this topic.
-Matt
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