CMakeLists.txt

   1 cmake_minimum_required( VERSION 3.20 )
   2 cmake_policy( SET CMP0118 NEW )
   3
   4 enable_language( C )
   5 enable_language( CXX )
   6 enable_language( Fortran )
   7
   8 project( WPS )
   9 set( EXPORT_NAME          ${PROJECT_NAME} )
  10 set( INTERNAL_GRIB2_PATH  ${CMAKE_INSTALL_PREFIX}/grib2 )
  11
  12 if ( NOT DEFINED WRF_DIR )
  13   message( STATUS "No WRF_DIR provided, skipping targets that rely on WRF" )
  14 endif()
  15
  16 # if ( DEFINED CMAKE_TOOLCHAIN_FILE )
  17 #   set( WPS_CONFIG ${CMAKE_TOOLCHAIN_FILE} )
  18 #   message( STATUS "Loading configuration file... : ${WPS_CONFIG}" )
  19 #   include( ${WPS_CONFIG} )
  20 # endif()
  21
  22 # list( APPEND CMAKE_MODULE_PATH         )
  23 list( APPEND CMAKE_MODULE_PATH
  24       ${PROJECT_SOURCE_DIR}/cmake/
  25       ${PROJECT_SOURCE_DIR}/cmake/modules
  26       )
  27
  28 # I'd love to be able to do something like this, but this would place a depedency
  29 # on WRF which would be bad since who would expect the *WRF Preprocessing System*
  30 # to have a strict dependency on WRF. Silly me
  31 # if ( DEFINED WRF_DIR )
  32 #   list( APPEND CMAKE_MODULE_PATH
  33 #       ${WRF_DIR}/share
  34 #       )
  35 # endif()
  36
  37 # Use link paths as rpaths
  38 set( CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE )
  39 set( CMAKE_Fortran_PREPROCESS          ON )
  40
  41 include( CMakePackageConfigHelpers )
  42 # include( confcheck   )
  43 # include( gitinfo     )
  44 include( wrf_get_version )
  45
  46 # Grab version info
  47 wrf_get_version( ${PROJECT_SOURCE_DIR}/README )
  48
  49 ################################################################################
  50 ##
  51 ## MPI & OpenMP
  52 ##
  53 ################################################################################
  54 if ( ${USE_MPI} )
  55   # Through ***MUCH*** debugging, if utilizing MPI_<LANG>_COMPILER
  56   # https://cmake.org/cmake/help/latest/module/FindMPI.html#variables-for-locating-mpi
  57   # the find logic makes a mess of things by utilizing <mpi> -show[me]
  58   # Which may or may not get polluted by the environment
  59   # It still technically finds MPI but the output is nonintuitive
  60   # saying things like hdf5 or pthread
  61   find_package( MPI REQUIRED COMPONENTS Fortran C )
  62   add_compile_definitions(
  63                           USE_MPI=1
  64                           DM_PARALLEL
  65                           )
  66
  67   if ( DEFINED WRF_MPI_Fortran_FLAGS AND NOT "${WRF_MPI_Fortran_FLAGS}" STREQUAL "" )
  68     add_compile_options(
  69                         $<$<COMPILE_LANGUAGE:Fortran>,${WRF_MPI_Fortran_FLAGS}>
  70                         )
  71   endif()
  72
  73   if ( DEFINED WRF_MPI_C_FLAGS AND NOT "${WRF_MPI_C_FLAGS}" STREQUAL "" )
  74     add_compile_options(
  75                         $<$<COMPILE_LANGUAGE:C>,${WRF_MPI_C_FLAGS}>
  76                         )
  77   endif()
  78 endif()
  79
  80 if ( ${USE_OPENMP} )
  81   find_package( OpenMP REQUIRED COMPONENTS Fortran C )
  82   add_compile_definitions( USE_OPENMP=1 SM_PARALLEL )
  83 endif()
  84
  85
  86 # First do externals
  87 if ( BUILD_EXTERNALS )
  88   add_subdirectory( external )
  89   # If we got here everything built, we are safe to add find paths for libs
  90   set( ZLIB_ROOT   ${INTERNAL_GRIB2_PATH} ) # This may get overridden by HDF5 if zlib is packaged with that
  91   set( PNG_ROOT    ${INTERNAL_GRIB2_PATH} )
  92   set( Jasper_ROOT ${INTERNAL_GRIB2_PATH} )
  93 endif()
  94
  95
  96 # Now find required libraries, which may have been affected by externals
  97 if ( DEFINED WRF_DIR )
  98   find_package( WRF COMPONENTS WRF_Core io_netcdf io_grib1 io_int HINTS ${WRF_DIR}/lib )
  99 endif()
 100
 101 # Find externals now -- this is a little different than normal since we want WRF to
 102 # take precedence if it is present on which libraries to use to avoid library splicing
 103 # rather than finding our external thirdparty libraries first
 104 find_package( ZLIB   REQUIRED )
 105 find_package( PNG    REQUIRED )
 106 find_package( Jasper REQUIRED )
 107
 108 # Add config definitions
 109 message( STATUS "Adding configuration specific definitions : ${WPS_DEFINITIONS}" )
 110 # In CMake 2.26 this will not be necessary
 111 string( REPLACE " " ";" WPS_DEFINITIONS_LIST ${WPS_DEFINITIONS} )
 112 list( TRANSFORM WPS_DEFINITIONS_LIST REPLACE "^-D(.*)" "\\1" )
 113 add_compile_definitions(
 114                         ${WPS_DEFINITIONS_LIST}
 115                         $<$<COMPILE_LANGUAGE:Fortran>:USE_JPEG2000>
 116                         $<$<COMPILE_LANGUAGE:Fortran>:USE_PNG>
 117                         )
 118 # Whole project flags
 119 add_compile_options(
 120                     $<$<COMPILE_LANG_AND_ID:Fortran,GNU>:-fallow-argument-mismatch>
 121                     )
 122
 123
 124 # Always build whatever we can
 125 add_subdirectory( ungrib )
 126
 127 if ( DEFINED WRF_DIR )
 128   # WRF Specific things
 129   add_subdirectory( metgrid )
 130   add_subdirectory( geogrid )
 131 endif()
 132
 133
 134 ################################################################################
 135 ##
 136 ## Install and export
 137 ##
 138 ################################################################################
 139
 140 # Install to namespace
 141 install(
 142         EXPORT      ${EXPORT_NAME}Targets
 143         DESTINATION lib/cmake/
 144         FILE        ${EXPORT_NAME}Targets.cmake
 145         NAMESPACE   ${EXPORT_NAME}::
 146         )
 147
 148 configure_package_config_file(
 149                               ${PROJECT_SOURCE_DIR}/cmake/template/${EXPORT_NAME}Config.cmake.in
 150                               ${CMAKE_BINARY_DIR}/${EXPORT_NAME}Config.cmake
 151                               INSTALL_DESTINATION lib/cmake
 152                               )
 153
 154 write_basic_package_version_file(
 155                                   ${CMAKE_BINARY_DIR}/${EXPORT_NAME}ConfigVersion.cmake
 156                                   VERSION ${PROJECT_VERSION}
 157                                   #!TODO Check if this is the type of versioning support we want to use
 158                                   COMPATIBILITY SameMinorVersion
 159                                   )
 160
 161 install(
 162         FILES
 163           ${CMAKE_BINARY_DIR}/${EXPORT_NAME}Config.cmake
 164           ${CMAKE_BINARY_DIR}/${EXPORT_NAME}ConfigVersion.cmake
 165         DESTINATION lib/cmake
 166         )
 167
 168 # Install some helper files for anyone using this build as part of their code
 169 install(
 170         DIRECTORY
 171           # Trailing / is important
 172           ${PROJECT_SOURCE_DIR}/cmake/modules/
 173         COMPONENT       helpers
 174         DESTINATION     share
 175         FILES_MATCHING
 176           PATTERN       "*.cmake"
 177         )
 178 # install(
 179 #         FILES
 180 #           ${PROJECT_SOURCE_DIR}/cmake/confcheck.cmake
 181 #           ${PROJECT_SOURCE_DIR}/cmake/gitinfo.cmake
 182 #           ${PROJECT_SOURCE_DIR}/cmake/printOption.cmake
 183 #           ${PROJECT_SOURCE_DIR}/cmake/wrf_get_version.cmake
 184 #         COMPONENT     helpers
 185 #         DESTINATION   share
 186 #         )