bug#59288: Makefile grows huge due to repeated lines

[Karl Berry]

    Subject: bug#59288: Makefile grows huge due to repeated lines

Thanks for the report.

    I bisected the problem to
    
https://git.savannah.gnu.org/cgit/automake.git/commit/?id=08849db866b44510f6b8fd49e313c91a43a3dfd3

And even more so for that.

    "The 628 number is curious. It seems to be the number of lib source
    files times two!"

Interesting. Easy to understand.

    Repro steps:

I'll make sure it reproduces for me. I have no idea offhand what to
do about it, but I'll look into it as soon as I can, unless by some
miracle someone else gets interested in automake maintenance ...

Thanks again,
Karl