GH-132983: Support finding libzstd without pkg-config by emmatyping · Pull Request #133550 · python/cpython

pythonGH-133479 removed the logic to check for libzstd outside of pkg-config.
This commit adds that logic back with a check for the version so that
users can provide their own libzstd. This is to bring parity with lzma,
bz2, and zlib detection.

emmatyping changed the title Support finding libzstd not in pkg-config GH-132983: Support finding libzstd not in pkg-config

emmatyping changed the title GH-132983: Support finding libzstd not in pkg-config GH-132983: Support finding libzstd without pkg-config

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>