dhylands/B2G — comment on commit 0f57338af98b4f8a3b99db187c25fac85ff8fa70
File:  line 0
By dhylands:

Doh. So it is. I got build failures when trying to build gecko because it was missing.

I had copied and pasted the entire line, but maybe because lib32readline-gplv2-dev was missing, it didn't install autoconf2.13 either.