`tac` not available on OS X (used in configure / boost macros)

[GoogleCodeExporter]

`tac`, which is used by the boost macros, isn't available on Mac OS X. `tail 
-r` can simulate the same behaviour.

Original issue reported on code.google.com by mistyde...@gmail.com on 13 Jan 2013 at 7:40

[GoogleCodeExporter]

Thanks for the patch.

For reference:
https://github.com/acaudwell/Gource/pull/17

Original comment by acaudw...@gmail.com on 13 Jan 2013 at 9:10

• Changed state: Fixed