https://bugzilla.redhat.com/show_bug.cgi?id=1113915
--- Comment #8 from Christopher Meng i@cicku.me --- 1. I don't think it's a good idea to remove O2 from the cflags, you should contact upstream. (Use V=1 and report the issues)
2. The summary of this package should be: "Python for microcontrollers"