the new $NIX_GCC/nix-support/dynamic-linker file to locate the
dynamic linker directly (don't hardcode ld-linux.so.2).
svn path=/nixpkgs/trunk/; revision=6873
default for legal reasons, but you can enabled it by uncommenting it
in `all-packages-generic.nix', attribute `firefoxWrapper'.
svn path=/nixpkgs/trunk/; revision=2390