* 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
whether the system header file directory actually exists (when
calling fixinc), so passing a non-existent directory no longer
works. Instead we make a empty dummy directory.
svn path=/nixpkgs/trunk/; revision=858