Make upload stuck on osx 10.10 bare-arduino-project
I'm the maintainer of the Bare-Arduino-Project, thanks for using it :)

Have you installed pyserial and avrdude?

To install avrdude just run brew install avrdude and to install pyserial, you need python installed, then you can run pip install pyserial.

https://github.com/WeAreLeka/Bare-Arduino-Project/blob/master/INSTALL.md#3-install-pyserial

Hope it helps :)

Next time, feel free to open an issue in the Github repo as it might also help others.

EDIT: my bad, I did not read your Makefile carefully!

the problem is with:

BOARD_TAG         = mega328
# it should be
BOARD_TAG         = uno