# Pastebin xPEKId7E
sh-4.4$ cd ~/tmp/nixpkgs/
sh-4.4$ nix-build -A pam
/nix/store/7xq83ancyrbz83i5rydig1j6pqysg0ng-linux-pam-1.2.1
sh-4.4$ ls ./result/lib/libpam.so.0
./result/lib/libpam.so.0