What happened to libtool transitive DSOs?

One of the coolest features (I thought) of libtool was it's ability to
allow specification of only the .la files directly required by a library or
program when linking.

I had code that used libtool 2.2 a while back that worked fine this way. A
program P required library A.la, which itself required library B.la. I only
had to add A.la to the LDADD variable in my Makefile.am file.

After upgrading to libtool 2.4.2, I find that I now have to specify the
additional secondary .la files that are listed in the primary .la files'
dependency_libs property, or I get a link error indicating missing DSOs on
the command line (and I can see that libtool is not adding the transitive
dependencies like it used to. Why was this change made?

(Or is there something about the entire process I just don't understand?)

Thanks in advance!
John

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