###-------------------------------------------------------------------------###
### CMakeList.txt for examples using pio
###-------------------------------------------------------------------------###
#==============================================================================
#  HELPER MACROS
#==============================================================================
include(SPIOUtils)

#==============================================================================
#  SET THE COMPILER OPTIONS
#==============================================================================
# Include PIO include and lib directories
INCLUDE_DIRECTORIES(${PIO_INCLUDE_DIRS})
include_directories("${SCORPIO_SOURCE_DIR}/examples/adios")
LINK_DIRECTORIES(${PIO_LIB_DIR})

# Compiler-specific compiler options
string (TOUPPER "${CMAKE_C_COMPILER_ID}" CMAKE_C_COMPILER_NAME)
if (CMAKE_C_COMPILER_NAME STREQUAL "CRAY")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -h std=c99")
elseif (CMAKE_C_COMPILER_NAME STREQUAL "PGI")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -c99")
else ()
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
endif ()

string (TOUPPER "${CMAKE_CXX_COMPILER_ID}" CMAKE_CXX_COMPILER_NAME)
if (CMAKE_CXX_COMPILER_NAME STREQUAL "CRAY")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -h std=c++11")
else ()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif ()

set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g -O0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0")

#==============================================================================
#  FIND EXTERNAL LIBRARIES/DEPENDENCIES
#==============================================================================
#===== MPI =====
if (PIO_USE_MPISERIAL)
  find_package (MPISERIAL COMPONENTS C Fortran REQUIRED)
  if (MPISERIAL_C_FOUND)
    set (CMAKE_REQUIRED_INCLUDES ${MPISERIAL_C_INCLUDE_DIRS})
  endif ()
else ()
  find_package (MPI REQUIRED)
  set (CMAKE_REQUIRED_INCLUDES ${MPI_INCLUDE_PATH})
endif ()

# Check for MPI Fortran module
find_path(MPIMOD_PATH
  NAMES mpi.mod MPI.mod
  HINTS ${MPI_Fortran_INCLUDE_PATH})
if (PIO_ENABLE_TIMING)
  find_package (GPTL COMPONENTS Fortran_Perf QUIET)
endif ()

check_macro (MPI_HAS_Fortran_MOD
  NAME TryMPIMod.f90
  HINTS ${CMAKE_MODULE_PATH}
  DEFINITIONS -I${MPIMOD_PATH}
  COMMENT "whether MPI Fortran module is supported")
if (${MPI_HAS_Fortran_MOD})
  message (STATUS "MPI Fortran module verified and enabled.")
else ()
  message (STATUS "MPI Fortran module failed verification and therefore disabled.")
endif ()

#===== GPTL Library =====
if (PIO_ENABLE_TIMING)
  find_package (GPTL COMPONENTS C Fortran_Perf QUIET)
  if (GPTL_C_FOUND)
    message (STATUS "Found GPTL C: ${GPTL_C_LIBRARIES}")
  else ()
    message (STATUS "Using internal GPTL C library for timing")
  endif ()
  if (GPTL_Fortran_Perf_FOUND)
    message (STATUS "Found GPTL Fortran Perf: ${GPTL_Fortran_Perf_LIBRARIES}")
  else ()
    message (STATUS "Using internal GPTL Fortran library for timing")
  endif ()
endif ()

#==============================================================================
#  DEFINE THE TARGETS AND TESTS
#==============================================================================
add_spio_executable(example3 TRUE "" example3.c)
add_spio_executable(timesteps TRUE "" timesteps.c)
add_spio_executable(timesteps_double TRUE "" timesteps_double.c)
add_spio_executable(example_num_frames TRUE "" example_num_frames.c)

if (PIO_ENABLE_FORTRAN)
  if (WITH_ADIOS)

    # Adding PIO definitions - defined in the root directory
    ADD_DEFINITIONS(${PIO_DEFINITIONS})

    # Include PIO include and lib directories
    INCLUDE_DIRECTORIES(${PIO_INCLUDE_DIRS})
    LINK_DIRECTORIES(${PIO_LIB_DIR})

    add_spio_executable(examplePioADIOS_f90 FALSE "" examplePioADIOS.f90)
  endif(WITH_ADIOS)

endif(PIO_ENABLE_FORTRAN)