cmake/modules/FindnetCDF.cmake

   1 # Find netcdf
   2 # Eventually replace with netCDF's actual config if using that
   3 # Once found this file will define:
   4 #  netCDF_FOUND - System has netcdf
   5 #  netCDF_INCLUDE_DIRS - The netcdf include directories
   6 #  netCDF_LIBRARIES - The libraries needed to use netcdf
   7 #  netCDF_DEFINITIONS - Compiler switches required for using netcdf
   8
   9 # list( REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR} )
  10 # find_package( netCDF )
  11 # list( APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR} )
  12
  13 # Use nc-config
  14 find_program(
  15                 NETCDF_PROGRAM
  16                 nc-config
  17                 QUIET
  18                 )
  19
  20 if ( ${NETCDF_PROGRAM} MATCHES "-NOTFOUND$" )
  21   message( STATUS "No nc-config found" )
  22 else()
  23   message( STATUS "Found NETCDF_PROGRAM : ${NETCDF_PROGRAM}" )
  24
  25   execute_process( COMMAND ${NETCDF_PROGRAM} --includedir   OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_INCLUDE_DIR )
  26   execute_process( COMMAND ${NETCDF_PROGRAM} --libdir       OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_LIBRARY_DIR )
  27   execute_process( COMMAND ${NETCDF_PROGRAM} --prefix       OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_PREFIX )
  28   execute_process( COMMAND ${NETCDF_PROGRAM} --libs         OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_CLIBS   )
  29   execute_process( COMMAND ${NETCDF_PROGRAM} --cxx4libs     OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_CXXLIBS )
  30   execute_process( COMMAND ${NETCDF_PROGRAM} --flibs        OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_FLIBS   )
  31   execute_process( COMMAND ${NETCDF_PROGRAM} --version      OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_VERSION_RAW )
  32   execute_process( COMMAND ${NETCDF_PROGRAM} --has-nc4      OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_NC4_YES )
  33   execute_process( COMMAND ${NETCDF_PROGRAM} --has-pnetcdf  OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_PNETCDF_YES )
  34   execute_process( COMMAND ${NETCDF_PROGRAM} --has-parallel OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE netCDF_PARALLEL_YES )
  35
  36   # check for large file support
  37   find_file( netCDF_INCLUDE_FILE netcdf.inc ${netCDF_INCLUDE_DIR} )
  38   file( READ ${netCDF_INCLUDE_FILE} netCDF_INCLUDE_FILE_STR )
  39   string( FIND "${netCDF_INCLUDE_FILE_STR}" "nf_format_64bit" netCDF_LARGE_FILE_SUPPORT_FOUND )
  40   if ( ${netCDF_LARGE_FILE_SUPPORT_FOUND} EQUAL -1 )
  41     set( netCDF_LARGE_FILE_SUPPORT "NO" )
  42   else()
  43     set( netCDF_LARGE_FILE_SUPPORT "YES" )
  44   endif()
  45
  46   # Sanitize version
  47   string( REPLACE " " ";" netCDF_VERSION_LIST ${netCDF_VERSION_RAW} )
  48   list( GET netCDF_VERSION_LIST -1 netCDF_VERSION )
  49
  50   # Convert to YES/NO - Note cannot be generator expression if you want to use it during configuration time
  51   string( TOUPPER ${netCDF_NC4_YES}      netCDF_NC4      )
  52   string( TOUPPER ${netCDF_PNETCDF_YES}  netCDF_PNETCDF  )
  53   string( TOUPPER ${netCDF_PARALLEL_YES} netCDF_PARALLEL )
  54
  55   set( netCDF_DEFINITIONS  )
  56
  57   set( netCDF_LIBRARIES
  58       $<$<LINK_LANGUAGE:C>:${netCDF_CLIBS}>
  59       $<$<LINK_LANGUAGE:CXX>:${netCDF_CXXLIBS}>
  60       $<$<LINK_LANGUAGE:Fortran>:${netCDF_FLIBS}>
  61       )
  62   set( netCDF_INCLUDE_DIRS ${netCDF_INCLUDE_DIR} )
  63 endif()
  64
  65 find_package( PkgConfig )
  66
  67 include(FindPackageHandleStandardArgs)
  68
  69 # handle the QUIETLY and REQUIRED arguments and set netCDF_FOUND to TRUE
  70 # if all listed variables are TRUE
  71 find_package_handle_standard_args( netCDF  DEFAULT_MSG
  72                                   netCDF_INCLUDE_DIRS
  73                                   netCDF_LIBRARY_DIR
  74                                   netCDF_CLIBS
  75                                   netCDF_CXXLIBS
  76                                   netCDF_FLIBS
  77                                   netCDF_VERSION
  78                                   )
  79
  80 mark_as_advanced( netCDF_CLIBS netCDF_CXXLIBS netCDF_FLIBS netCDF_PREFIX netCDF_LIBRARY_DIR )