
This prevents duplication in cross-compiled nixos machines. The bootstrapped glibc differs from the natively compiled one, so we get two glibc’s in the closure. To reduce closure size, just use stdenv.cc.libc where available.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.