default, but it didn't happen in Nixpkgs because the string "perl"
appeared in the prefix, and in that case Perl uses $out/lib.
* Enable thread-safe Perl while we're at it.
svn path=/nixpkgs/branches/stdenv-updates/; revision=15252
* setup.sh: removed some obsolete features, specifically some that
were only used by the old build farm.
* addToSearchPath: removed some parameters that weren't used
anywhere.
svn path=/nixpkgs/branches/stdenv-updates/; revision=15136