message: Specify 1 or 4 mpi ranks for par tests on travis.
diff: @@ -16,19 +16,22 @@ env:
  matrix:
  - DEBUG=YES
  MPI=YES
  + NPROCS=1
  CODECOV=YES
  MFEM_TEST_TARGET=test
  - DEBUG=NO
  MPI=YES
  + NPROCS=4
  CODECOV=NO
  MFEM_TEST_TARGET=test
  - DEBUG=YES
  MPI=NO
  - CODECOV=YES
  + CODECOV=NO
  MFEM_TEST_TARGET=check
  - DEBUG=NO
  MPI=NO
  - MFEM_TEST_TARGET=test
  + CODECOV=NO
  + MFEM_TEST_TARGET=check
  addons:
  apt:
  @@ -133,7 +136,7 @@ script:
  # Build and check/test MFEM, its examples and miniapps
  - cd $TRAVIS_BUILD_DIR &&
  - make config MFEM_USE_MPI=$MPI MFEM_DEBUG=$DEBUG MFEM_CXX="$MYCXX" MFEM_MPI_NP=1 MFEM_USE_CODECOV=$CODECOV &&
  + make config MFEM_USE_MPI=$MPI MFEM_DEBUG=$DEBUG MFEM_CXX="$MYCXX" MFEM_MPI_NP=$NPROCS MFEM_USE_CODECOV=$CODECOV &&
  make info &&
  make all -j 4 &&
  make $MFEM_TEST_TARGET
  