armhf: unable to execute tests with "Bus error"
ppc64le: test suite fails

Signal masks made easy
http://search.cpan.org/dist/Signal-Mask/

Lua bindings for linenoise
https://github.com/hoelzro/lua-linenoise

wordexp implementation will execute /bin/sh (as suggested in posix).
This breaks firefox sandbox. We also need to expand ~/ so that alsa uses
~/.asoundrc so we cannot just trick the configurescript to think that we
dont have wordexp since the fallback code would not expand anything at
all.

ref #7454