New commits:
commit 66133d9218d13163ef69ab49f718b49474e04025
Author: Eric Sandall <sandalle AT sourcemage.org>
Commit: Eric Sandall <sandalle AT sourcemage.org>
tiff: libice, libsm, libxi, and libxmu are optional, per Ladislav
commit 0176ee6d71c97ed17107436ad2fcea13c9314d5e
Author: Eric Sandall <sandalle AT sourcemage.org>
Commit: Eric Sandall <sandalle AT sourcemage.org>
tiff: Removed zlib depends, already listed as optional