On Mon Nov 24 2014 at 10:48:21 AM Desika Narayanan <dnarayan@haverford.edu> wrote:
(yt-x86_64)thundersnow:~ desika$ echo $DYLD_LIBRARY_PATH

/Users/desika/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/rockstar/:/desika/yt-x86_64/src/rockstar/

Isn't that path missing "/User" at the beginning?

Cheers,
Kacper