Re: RFE: .NOT_PARALLEL extension to help with multiple targets

[Paul D. Smith]

%% Noel Yap <address@hidden> writes:

  ny> I think this was mentioned on the list a month or so ago and I was
  ny> against the idea at the time.  I've since changed my mind.  The
  ny> RFE is that the following should be allowed:

  ny>   .NOT_PARALLEL: %.pm %_wrap.cc
  ny>   %.pm %_wrap.cc: %.swg
  ny>           $(SwigAction)

  ny> which would mean that %.pm and %_wrap.cc files should not be built
  ny> in parallel to one another.

But, that isn't what that pattern rule means.  %.pm and %_wrap.cc are
_NOT_ built "in parallel to one another".

That syntax tells make that it can build _both_ files with only _one_
invocation of the command script.

That's not the same thing at all.

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