FindNETCDF.cmake

# - Try to find Netcdf
# Once done this will define
#  NETCDF_FOUND - System has Netcdf
#  NETCDF_INCLUDE_DIRS - The Netcdf include directories
# NETCDF_C_LIBRARIES - The C libraries needed to use Netcdf
# NETCDF_Fortran_LIBRARIES - The Fortran libraries needed to use Netcdf
#  NETCDF_LIBRARIES - All the libraries needed to use Netcdf
#  NETCDF_DEFINITIONS - Compiler switches required for using Netcdf

find_path(NETCDF_INCLUDE_DIR netcdf.h
          HINTS ${NETCDF_DIR}/include )

find_path(NETCDF_LIB_DIR NAMES libnetcdf.a libnetcdf.so
          HINTS ${NETCDF_DIR}/lib ${NETCDF_DIR}/lib64 )

find_path(NETCDF_FORTRAN_LIB_DIR NAMES libnetcdff.a libnetcdff.so
          HINTS ${NETCDF_DIR}/lib ${NETCDF_DIR}/lib64 )


find_file(NETCDF4_PAR_H netcdf_par.h 
          HINTS ${NETCDF_INCLUDE_DIR}
          NO_DEFAULT_PATH )

#MESSAGE("PAR_H: ${NETCDF4_PAR_H}")
find_library(NETCDF_C_LIBRARY NAMES libnetcdf.a netcdf HINTS ${NETCDF_LIB_DIR})

if(NOT NETCDF_FORTRAN_LIB_DIR)
  MESSAGE("WARNING: did not find netcdf fortran library")
else()
  find_library(NETCDF_Fortran_LIBRARY NAMES libnetcdff.a netcdff HINTS ${NETCDF_FORTRAN_LIB_DIR})
endif()
set(NETCDF_LIBRARIES ${NETCDF_Fortran_LIBRARY} ${NETCDF_C_LIBRARY})
if(NOT NETCDF4_PAR_H)
  set(NETCDF4_PARALLEL "no")
  MESSAGE("NETCDF built without MPIIO")
else()
  set(NETCDF4_PARALLEL "yes")
  MESSAGE("NETCDF built with hdf5 MPIIO support")
endif()

set(NETCDF_INCLUDE_DIRS ${NETCDF_INCLUDE_DIR} )

FIND_PACKAGE(HDF5 COMPONENTS C HL)

if(${HDF5_FOUND}) 
  MESSAGE(STATUS "Adding hdf5 libraries ")
 set(NETCDF_C_LIBRARY ${NETCDF_C_LIBRARY} ${HDF5_LIBRARIES})  
endif()

# Export variables so other projects can use them as well
#  ie. if pio is added with add_subdirectory
SET(NETCDF_INCLUDE_DIR ${NETCDF_INCLUDE_DIR} CACHE STRING "Location of NetCDF include files.")
SET(NETCDF_LIBRARIES ${NETCDF_LIBRARIES} CACHE STRING "Link line for NetCDF.")

include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set NETCDF_FOUND to TRUE
# if all listed variables are TRUE
# (Note that the Fortran interface is not always a separate library, so
# don't require it to be found.)
find_package_handle_standard_args(NETCDF  DEFAULT_MSG NETCDF_LIBRARIES
                                  NETCDF_C_LIBRARY NETCDF_INCLUDE_DIR)

mark_as_advanced(NETCDF_INCLUDE_DIR NETCDF_LIBRARIES NETCDF_C_LIBRARY NETCDF_Fortran_LIBRARY NETCDF4_PARALLEL )