I can't submit this in smaller units because the various components all
depend on one another during the stdenv bootstrap, so I think this is
the smallest sensible change I can make.
I also removed the symbol-hiding shenanigans in Libsystem. It might mess
up compatibility with 10.9 but I don't really want to support the added
complexity and I see little evidence of anyone else wanting to support
it. If someone cares, we might be able to revive compatibility, but for
now it'll stay like this.
This also changes the versioning scheme to be in more "human-meaningful"
terms, so instead of the internal release numbers we talk about 10.10.5
or 10.9.5.
adv_cmds archive actually contains BSDmakefile, not BSDMakefile. While
that probably doesn't matter in default installations, it does matter
for case-sensitive filesystems.
`nix-env -qaP -A pkgs.darwin`
pkgs.darwin.libutil:
Commented-out because the package definition doesn't exist. The source
doesn't even provide a Makefile...
pkgs.darwin.objc4_pure:
Commented-out because the package is broken and referencing unknown
applefetchsource and libc_old names. It doesn't seem to be used by any
other packages too.
