https://packages.debian.org/uk/source/bullseye/haskell-bzlib
Debian -- Details of source package haskell-bzlib in bullseye
debiandetailssourcepackagehaskell
https://tests.reproducible-builds.org/debian/history/amd64/haskell-bzlib.html
build history of haskell-bzlib on amd64
history of haskellbuildbzlib
https://third-party-mirror.googlesource.com/u-boot/+/7bac326b664d83153cd5e13e080a552637bedf9a/lib/bzip2/bzlib_huffman.c?autodive=0%2F%2F%2F%2F
lib/bzip2/bzlib_huffman.c - u-boot - Git at Google
libhuffmancbootgit