That's the GPLv3; Apple ships no code licensed under the GPLv3. The GPLv2 reads: You may copy and distribute the Program ... provided that you ... Accompany it

That's the GPLv3; Apple ships no code licensed under the GPLv3. The GPLv2 reads: You may copy and distribute the Program ... provided that you ... Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange. Apple does provide access to the code upon request, though it's often not very timely ...