[bug #63098] make-4.3.90 regression of unexpected dependencies in pattern rules with multiple targets

[Sergei Trofimovich]

Follow-up Comment #3, bug #63098 (project make):

Aha, behavior change makes sense. Let's close it as intended then.

Looks like opensp's case is even more nuanced. `%.h %.cxx %.rc: %.msg`
produces `.cxx` files only for a subset of `.msg` files: `.cxx` generation
happens only where file contents has `!cxx` marking. Otherwise only `.h` and
`.rc` are produced. That explains why tarballs don't contain some of `.cxx`
files and cause the rules to attempt to regenerate them at each `make`
invocation.

I filed https://sourceforge.net/p/openjade/bugs/151/ against opensp upstream.
Looks like last activity was in 2007, might take a long while to get fixed.
I'll attach the path there if I manage to get something working.

Thank you!


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