On a pkgsrc tree updated a few minutes ago, I'm seeing pkg_chk failures:

P4-3679GHz: {165} pkg_chk -uq
make: "../../graphics/Mesa/../../graphics/MesaLib/../../graphics/Mesa/../../graphics/MesaLib/buildlink3.mk" line 24: Malformed conditional (!empty(MACHINE_PLATFORM:MDarwin-[9].*-*))
make: Fatal errors encountered -- cannot continue
eval:  make: stopped in /usr/pkgsrc/graphics/gle: not found