I recently ran across some sample code in section 19.4 of the Autoconf
manual (modified slightly to reduce example):

$(TESTSUITE): $(srcdir)/testsuite.at $(srcdir)/package.m4
        autom4te --language=autotest -I '$(srcdir)' -o [email protected] [email protected]
        mv [email protected] $@

This question isn't about autotest, but rather about the two commands in
this rule - why generate the output into [email protected] and then mv [email protected] into $@?
Is there some power mv has over autom4te that allows it better access to
the target under some conditions?

Thanks in advance,
John
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