.travis.yml

os: linux

language: cpp

matrix:
  include:
    - os: linux
      compiler: gcc
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - gcc-7
            - g++-7
            - libopenmpi-dev
            - openmpi-bin
      before_cache:
        - cd $TRAVIS_BUILD_DIR/../metis-4.0;
          mv libmetis.a ..; rm -rf *; mv ../libmetis.a .

install:
   # Save Laghos top directory
  - export LAGHOS_DIR=$PWD

  # Back out of the directory to install the libraries
  - cd ..

  # HYPRE (cached 2.11.2 build)
  - if [ ! -e hypre-2.11.2/src/hypre/lib/libHYPRE.a ]; then
      wget https://computation.llnl.gov/project/linear_solvers/download/hypre-2.11.2.tar.gz --no-check-certificate;
      rm -rf hypre-2.11.2;
      tar xvzf hypre-2.11.2.tar.gz;
      cd hypre-2.11.2/src;
      ./configure --disable-fortran --without-fei CC=mpicc CXX=mpic++;
      make -j3;
      cd ../..;
    else
      echo "Reusing cached hypre-2.11.2/";
    fi;
  - ln -s hypre-2.11.2 hypre

  # METIS (cached 4.0 build)
  - if [ ! -e metis-4.0/libmetis.a ]; then
      wget http://glaros.dtc.umn.edu/gkhome/fetch/sw/metis/OLD/metis-4.0.3.tar.gz;
      tar xvzf metis-4.0.3.tar.gz;
      make -j3 -C metis-4.0.3/Lib CC="$CC" OPTFLAGS="-O2";
      rm -rf metis-4.0;
      mv metis-4.0.3 metis-4.0;
    else
      echo "Reusing cached metis-4.0/";
    fi;

  # MFEM (master branch)
  - if [ ! -e mfem/libmfem.a ]; then
      rm -rf mfem;
      git clone --single-branch --branch master --depth 1 https://github.com/mfem/mfem.git;
      cd mfem;
      make -j3 parallel;
      make info;
        cd ..;
     else
        echo "Reusing cached mfem";
     fi;

   # Back to Laghos
  - cd $LAGHOS_DIR

branches:
  only:
  - master

script:
   - make -j
   - make checks ranks=1
   - make checks ranks=2
   - make checks ranks=3
   - make tests

cache:
   directories:
     - $TRAVIS_BUILD_DIR/../hypre-2.11.2/src/hypre/lib
     - $TRAVIS_BUILD_DIR/../hypre-2.11.2/src/hypre/include
     - $TRAVIS_BUILD_DIR/../metis-4.0