ffmpeg6 build failure on Darwin

[Jason Bacon <jtocino%gmx.com@localhost>]

https://us-central.manta.mnx.io/pkgsrc/public/reports/Darwin/12.3/arm64/20241127.1233/ffmpeg6-6.1.2nb5/configure.log

It builds fine for me on macOS 15.0 aarch64, but I don't have the means
to test on 12.3.  Might the pbulk failure have something to do with
these warnings?

Darwin tarpon.acadix  bacon ~/Pkgsrc/pkgsrc/multimedia/ffmpeg6 1015:
(pkgsrc): pkglint -e
WARN: Makefile.common:63: Use "2.*" instead of "2*" as the version pattern.

        For example, the version "1*" also matches "10.0.0", which is
        probably not intended.

WARN: Makefile.common:85: Use ${COMPILER_RPATH_FLAG} instead of
"-Wl,-rpath-link,".
2 warnings found.

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