[LTP] [RFC PATCH 4/4] travis: Install all dependencies (headers and libraries)

[Petr Vorel]

Hi Cyril,

> >  before_install:
> > +    - sudo apt install -f -y
> > +      libacl1-dev
...

> This runs before each compilation, right?
Yes.

> Can we have one build just with the basic C devel packages as well, since that have
> found most bugs in stubs and fallback code so far.
Sure. I just need to add this code into separate shell script and add more variables
into matrix.

Kind regards,
Petr