message: In .travis.yml, enable ccache for all mac os builds.
diff: @@ -246,31 +246,36 @@ jobs:
  homebrew:
  packages:
  - ccache
  - cache:
  - ccache: true
  - directories:
  - - $HOME/Library/Caches/Homebrew
  - before_cache:
  - - du -sh $HOME/Library/Caches/Homebrew
  - - du -sh $HOME/.ccache
  env: DEBUG=YES
  MPI=NO
  CODECOV=NO
  MFEM_TEST_TARGET=check
  + cache:
  + ccache: true
  - os: osx
  - # osx_image: xcode7.3
  + osx_image: xcode11.2
  compiler: clang
  name: "Mac: Serial"
  + addons:
  + homebrew:
  + packages:
  + - ccache
  env: DEBUG=NO
  MPI=NO
  CODECOV=NO
  MFEM_TEST_TARGET=test
  + cache:
  + ccache: true
  - os: osx
  - # osx_image: xcode7.3
  + osx_image: xcode11.2
  compiler: clang
  name: "Mac: Parallel + Debug"
  + addons:
  + homebrew:
  + packages:
  + - ccache
  env: DEBUG=YES
  MPI=YES
  CODECOV=NO
  @@ -278,6 +283,7 @@ jobs:
  NPROCS=4
  TMPDIR=/tmp
  cache:
  + ccache: true
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  @@ -289,9 +295,13 @@ jobs:
  rm -f Lib/*.{c,o}
  - os: osx
  - # osx_image: xcode7.3
  + osx_image: xcode11.2
  compiler: clang
  name: "Mac: Parallel"
  + addons:
  + homebrew:
  + packages:
  + - ccache
  env: DEBUG=NO
  MPI=YES
  CODECOV=YES
  @@ -299,6 +309,7 @@ jobs:
  NPROCS=4
  TMPDIR=/tmp
  cache:
  + ccache: true
  directories:
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/lib
  - $TRAVIS_BUILD_DIR/../hypre-2.10.0b/src/hypre/include
  