travis: install scons from pip
authorJuan A. Suarez Romero <jasuarez@igalia.com>
Wed, 1 Aug 2018 15:14:56 +0000 (17:14 +0200)
committerJuan A. Suarez Romero <jasuarez@igalia.com>
Wed, 1 Aug 2018 18:32:42 +0000 (20:32 +0200)
commitfea0b920426ae040d6fde0c6db79f0f8b4db3100
treec35be950ffdba47b29f5d83a1d50d64bbcc92be2
parent26d3e2b4b0bfb3b00362800172291516d340cca0
travis: install scons from pip

The ubuntu version provided by Travis is a bit old, and does not detect
correctly some C functions.

Use a more modern version through scons.

Reviewed-by: Andres Gomez <agomez@igalia.com>
.travis.yml