message: In .travis.yml, add the metis library to the cache.
  [skip appveyor]
diff: @@ -45,6 +45,10 @@ matrix:
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  + - $TRAVIS_BUILD_DIR/../metis-4.0
  + before_cache:
  + - cd $TRAVIS_BUILD_DIR/../metis-4.0;
  + mv libmetis.a ..; rm -rf *; mv ../libmetis.a .
  #
  - os: linux
  compiler: gcc
  @@ -70,6 +74,10 @@ matrix:
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  + - $TRAVIS_BUILD_DIR/../metis-4.0
  + before_cache:
  + - cd $TRAVIS_BUILD_DIR/../metis-4.0;
  + mv libmetis.a ..; rm -rf *; mv ../libmetis.a .
  #
  # Mac OS X
  #
  @@ -102,6 +110,10 @@ matrix:
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  + - $TRAVIS_BUILD_DIR/../metis-4.0
  + before_cache:
  + - cd $TRAVIS_BUILD_DIR/../metis-4.0;
  + mv libmetis.a ..; rm -rf *; mv ../libmetis.a .
  #
  - os: osx
  # osx_image: xcode7.3
  @@ -116,6 +128,10 @@ matrix:
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  + - $TRAVIS_BUILD_DIR/../metis-4.0
  + before_cache:
  + - cd $TRAVIS_BUILD_DIR/../metis-4.0;
  + mv libmetis.a ..; rm -rf *; mv ../libmetis.a .
  before_install:
  