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# (C) Copyright 1996-2016 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation nor
# does it submit to any jurisdiction.
# Try to find NetCDF3 or NetCDF4 -- default is 4
#
# find_package( NetCDF <version> COMPONENTS C CXX Fortran )
#
# Input:
# * NETCDF_PATH - user defined path where to search for the library first
# * NETCDF_DIR - user defined path where to search for the library first
# * NETCDF_ROOT - user defined path where to search for the library first
#
# Output:
# NETCDF_FOUND - System has NetCDF
# NETCDF_DEFINITIONS
# NETCDF_INCLUDE_DIRS - The NetCDF include directories
# NETCDF_LIBRARIES - The libraries needed to use NetCDF
# default is netcdf4
if( NetCDF_FIND_VERSION STREQUAL "3" )
set( PREFER_NETCDF3 1 )
endif()
if( NOT PREFER_NETCDF3 )
set( PREFER_NETCDF4 1 )
else()
set( PREFER_NETCDF4 0 )
endif()
mark_as_advanced( PREFER_NETCDF4 PREFER_NETCDF3 )
set( NETCDF_FIND_REQUIRED ${NetCDF_FIND_REQUIRED} )
set( NETCDF_FIND_QUIETLY ${NetCDF_FIND_QUIETLY} )
set( NETCDF_FIND_COMPONENTS ${NetCDF_FIND_COMPONENTS} )
list( APPEND NETCDF_FIND_COMPONENTS C )
if( NETCDF_CXX )
ecbuild_debug( "FindNetCDF: also looking for C++ libraries" )
list( APPEND NETCDF_FIND_COMPONENTS CXX )
endif()
if( NETCDF_Fortran OR NETCDF_FORTRAN OR NETCDF_F90 )
ecbuild_debug( "FindNetCDF: also looking for Fortran libraries" )
list( APPEND NETCDF_FIND_COMPONENTS FORTRAN F90 )
endif()
list(FIND NETCDF_FIND_COMPONENTS "FORTRAN" _index)
if(${_index} GREATER -1)
list( APPEND NETCDF_FIND_COMPONENTS F90 )
endif()
list (FIND NETCDF_FIND_COMPONENTS "F90" _index)
if(${_index} GREATER -1)
list( APPEND NETCDF_FIND_COMPONENTS FORTRAN )
endif()
list(FIND NETCDF_FIND_COMPONENTS "Fortran" _index)
if(${_index} GREATER -1)
list( REMOVE_ITEM NETCDF_FIND_COMPONENTS Fortran )
list( APPEND NETCDF_FIND_COMPONENTS FORTRAN F90 )
endif()
list( REMOVE_DUPLICATES NETCDF_FIND_COMPONENTS )
ecbuild_debug( "FindNetCDF: looking for components ${NETCDF_FIND_COMPONENTS}" )
### NetCDF4
if( PREFER_NETCDF4 )
ecbuild_debug( "FindNetCDF: looking for NetCDF4" )
## hdf5
# Note: Only the HDF5 C-library is required for NetCDF
# ( even for Fortan and CXX bindings)
find_package( HDF5 COMPONENTS C QUIET )
## netcdf4
# CONFIGURE the NETCDF_FIND_COMPONENTS variable
# Find NetCDF4
# message( "NETCDF CMAKE_PREFIX_PATH = [${CMAKE_PREFIX_PATH}]")
# ecbuild_debug_var( NETCDF_ROOT )
# ecbuild_debug_var( NETCDF_FIND_COMPONENTS )
# ecbuild_debug_var( NETCDF_FIND_QUIETLY )
# ecbuild_debug_var( NETCDF_FIND_REQUIRED )
find_package( NetCDF4 COMPONENTS ${NETCDF_FIND_COMPONENTS} )
# ecbuild_debug_var( NETCDF4_FOUND )
# ecbuild_debug_var( NETCDF_FOUND )
# ecbuild_debug_var( NETCDF_LIBRARIES )
# ecbuild_debug_var( NETCDF_INCLUDE_DIRS )
list( APPEND NETCDF_Fortran_LIBRARIES ${NETCDF_FORTRAN_LIBRARIES} ${NETCDF_F90_LIBRARIES} )
if( NETCDF_Fortran_LIBRARIES )
list( REMOVE_DUPLICATES NETCDF_Fortran_LIBRARIES )
endif()
# ecbuild_debug_var( NETCDF_Fortran_LIBRARIES )
# ecbuild_debug_var( NETCDF_C_LIBRARIES )
# ecbuild_debug_var( NETCDF_CXX_LIBRARIES )
set_package_properties( NetCDF4 PROPERTIES TYPE RECOMMENDED PURPOSE "support for NetCDF4 file format" )
if( NETCDF_FOUND AND HDF5_FOUND )
# list( APPEND NETCDF_DEFINITIONS ${HDF5_DEFINITIONS} )
list( APPEND NETCDF_LIBRARIES ${HDF5_HL_LIBRARIES} ${HDF5_LIBRARIES} )
list( APPEND NETCDF_INCLUDE_DIRS ${HDF5_INCLUDE_DIRS} )
endif()
#ecbuild_debug_var( NETCDF_FOUND )
#ecbuild_debug_var( NETCDF_LIBRARIES )
#ecbuild_debug_var( NETCDF_INCLUDE_DIRS )
#ecbuild_debug_var( HDF5_FOUND )
#ecbuild_debug_var( HDF5_INCLUDE_DIRS )
#ecbuild_debug_var( HDF5_HL_LIBRARIES )
#ecbuild_debug_var( HDF5_LIBRARIES )
endif()
### NetCDF3
if( PREFER_NETCDF3 )
ecbuild_debug( "FindNetCDF: looking for NetCDF3" )
# ecbuild_debug_var( NetCDF_FIND_COMPONENTS )
# ecbuild_debug_var( NetCDF_FIND_QUIETLY )
# ecbuild_debug_var( NetCDF_FIND_REQUIRED )
list(FIND NetCDF_FIND_COMPONENTS "CXX" _index)
if(${_index} GREATER -1)
set( NETCDF_CXX 1 )
endif()
list(FIND NetCDF_FIND_COMPONENTS "Fortran" _index)
if(${_index} GREATER -1)
set( NETCDF_Fortran 1 )
endif()
list(FIND NetCDF_FIND_COMPONENTS "FORTRAN" _index)
if(${_index} GREATER -1)
set( NETCDF_Fortran 1 )
endif()
list(FIND NetCDF_FIND_COMPONENTS "F90" _index)
if(${_index} GREATER -1)
set( NETCDF_Fortran 1 )
endif()
#message( "NETCDF CMAKE_PREFIX_PATH = ${CMAKE_PREFIX_PATH}" )
find_package( NetCDF3 COMPONENTS ${NETCDF_FIND_COMPONENTS} )
set_package_properties( NetCDF3 PROPERTIES TYPE RECOMMENDED PURPOSE "support for NetCDF3 file format" )
endif()
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