message: In .travis.yml, fix the path used to check for existing (cached)
  hypre library.
  [skip appveyor]
diff: @@ -178,7 +178,7 @@ install:
  # hypre
  - if [ $MPI == "YES" ]; then
  - if [ ! -e hypre-2.10.0b/src/lib/libHYPRE.a ]; then
  + if [ ! -e hypre-2.10.0b/src/hypre/lib/libHYPRE.a ]; then
  wget https://computation.llnl.gov/project/linear_solvers/download/hypre-2.10.0b.tar.gz --no-check-certificate;
  rm -rf hypre-2.10.0b;
  tar xvzf hypre-2.10.0b.tar.gz;
  