configuration directory so that users on other distributions don't
need to set $FONTCONFIG_FILE (NIXPKGS-29). Also use
/var/cache/fontconfig for the cache to prevent programs run by root
from writing into the Nix store.
svn path=/nixpkgs/branches/xorg-7.5/; revision=18021
* Make builders unexecutable by removing the hash-bang line and
execute permission.
* Convert calls to `derivation' to `mkDerivation'.
* Remove `system' and `stdenv' attributes from calls to
`mkDerivation'. These transformations were all done automatically,
so it is quite possible I broke stuff.
* Put the `mkDerivation' function in stdenv/generic.
svn path=/nixpkgs/trunk/; revision=874
