[PATCH 0/5] travis.yml improvements: Update libraries, build with arm64

[Thomas Huth]

Update / add some libraries that we use in the Travis builds, and
enable compiling on the aarch64 host, too.

Thomas Huth (5):
  travis.yml: Add libvdeplug-dev to compile-test net/vde.c
  travis.yml: Use libsdl2 instead of libsdl1.2, and install
    libsdl2-image
  travis.yml: Use newer version of libgnutls and libpng
  travis.yml: Fix the ccache lines
  travis.yml: Compile on arm64, too

 .travis.yml | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

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2.18.1