Debian still builds on ia64, among other platforms. On ia64, we're getting a cast-align warning that breaks the build as we're building with -Werror. The problem is evidently in the do_list and do_command functions in src/main.c.

Details here:
https://buildd.debian.org/status/fetch.php?pkg=booth&arch=ia64&ver=0.1.0-1&stamp=1338167781