pkg.mk: use --local option for gem installation
commit6e7274278619b8e6405ad890f528f729b70cc54b
authorEric Wong <e@80x24.org>
Wed, 31 Aug 2016 07:30:39 +0000 (31 07:30 +0000)
committerEric Wong <e@80x24.org>
Wed, 31 Aug 2016 07:30:39 +0000 (31 07:30 +0000)
treea80eb97272862cf0f3443485630105616c5fe36e
parenta1ec69ae682841fdd62a72b6d50df394d407752a
pkg.mk: use --local option for gem installation

We should never attempt to use the network to install a
locally-built gem.
pkg.mk