message: A few small tweaks in INSTALL.
diff: @@ -151,10 +151,10 @@ are also defined:
  make serial -> Builds serial optimized version of the library
  make parallel -> Builds parallel optimized version of the library
  - make cuda -> Builds serial cuda optimized version of the library
  - make pcuda -> Builds parallel cuda optimized version of the library
  make debug -> Builds serial debug version of the library
  make pdebug -> Builds parallel debug version of the library
  + make cuda -> Builds serial cuda optimized version of the library
  + make pcuda -> Builds parallel cuda optimized version of the library
  make cudebug -> Builds serial cuda debug version of the library
  make pcudebug -> Builds parallel cuda debug version of the library
  @@ -220,6 +220,7 @@ See the configuration file config/defaults.mk for the default settings.
  Compilers:
  CXX - C++ compiler, serial build
  MPICXX - MPI C++ compiler, parallel build
  + CUDA_CXX - The CUDA compiler, 'nvcc'
  Compiler options:
  OPTIM_FLAGS - Options for optimized build
  @@ -399,7 +400,8 @@ MFEM_USE_CUDA = YES/NO
  platform and programming model for general computing on graphical processing
  units (GPUs). This option requires MFEM_USE_MM. The variable CUDA_ARCH is
  used to specify the CUDA compute capability used during compilation (by
  - default, CUDA_ARCH=sm_60).
  + default, CUDA_ARCH=sm_60). When enabled, this option uses the CUDA_* build
  + options, see below.
  MFEM_USE_RAJA = YES/NO
  Enable support for the RAJA performance portability layer in MFEM. RAJA
  @@ -529,7 +531,7 @@ The specific libraries and their options are:
  - CUDA, used when MFEM_USE_CUDA = YES.
  URL: https://developer.nvidia.com/cuda-toolkit
  - Options: CUDA_ARCH, CUDA_OPT, CUDA_LIB.
  + Options: CUDA_CXX, CUDA_ARCH, CUDA_OPT, CUDA_LIB.
  - OCCA, used when MFEM_USE_OCCA = YES.
  URL: https://libocca.org
  