This doesn't change the default but makes gold available to packages
that might want to use it.
Required switching to the gzipped tarball for bison, as xz isn't
available in the early bootstrap.
Signed-off-by: Shea Levy <shea@shealevy.com>
* 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
