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CMakeLists.txt
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CMakeLists.txt
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# This is the main CMake build file for the wgrib2 project.
#
# Kyle Gerheiser, Edward Hartnett, Wesley Ebisuzaki
cmake_minimum_required(VERSION 3.15)
# Read the current version number from file VERSION.
file(STRINGS "VERSION" pVersion)
# Set up project with version number from VERSION file.
project(wgrib2 VERSION ${pVersion} LANGUAGES C)
# Handle user build options.
option(ENABLE_DOCS "Enable generation of doxygen-based documentation." OFF)
option(USE_NETCDF "Use NetCDF" off)
option(USE_REGEX "Use Regex?" on)
option(USE_TIGGE "Use tigge?" on)
option(USE_MYSQL "Use MySQL?" off)
option(USE_IPOLATES "Use Ipolates" off)
option(USE_UDF "Use UDF?" off)
option(USE_OPENMP "Use OpenMP?" off)
option(USE_PROJ4 "Use Proj4?" off)
option(USE_WMO_VALIDATION "Use WMO Validation?" off)
option(DISABLE_TIMEZONE "Disable posix Timezone?" off)
option(DISABLE_ALARM "Disable Alarm?" off)
set(USE_NAMES "NCEP")
option(USE_G2CLIB "Use g2c lib?" off)
option(USE_PNG "Use PNG to enable decoding of GRIB2 data with PNG packing (packing type 41)." off)
option(USE_JASPER "Use Jasper to enable encoding/decoding of GRIB2 data with JPEG 2000 packing (packing type 40)." off)
option(USE_OPENJPEG "Use OpenJPEG to enable encoding/decoding of GRIB2 data with JPEG 2000 packing (packing type 40)." off)
option(USE_AEC "Use AEC to enable encoding/decoding of GRIB2 data with CCSDS packing (packing type 42)." off)
option(FTP_TEST_FILES "Fetch and test with files on FTP site." OFF)
option(FTP_LARGE_TEST_FILES "Fetch and test with very large files on FTP site." OFF)
option(FTP_EXTRA_TEST_FILES "Fetch even more large files from FTP and test them." OFF)
# MAKE_FTN_API should only be on when building library
option(MAKE_FTN_API "add ftn api?" off)
option(DISABLE_STAT "disable posix feature" off)
set(BUILD_COMMENTS "stock build")
option(BUILD_LIB "Build wgrib2 library?" on)
# if BUILD_LIB, then code is compiled as relocatable
option(BUILD_SHARED_LIB "Build shared library?" on)
# To create libwgrib2.so for python, you have to build with BUILD_SHARED_LIB off
# and manually create libwgrib2.so from the needed *.a files
option(BUILD_WGRIB "Build wgrib code?" off)
if (MAKE_FTN_API OR USE_IPOLATES)
enable_language(Fortran)
endif()
# Developers can use this option to specify a local directory which
# holds the test files. They will be copied instead of fetching the
# files via FTP.
SET(TEST_FILE_DIR "." CACHE STRING "Check this directory for test files before using FTP.")
message(STATUS "Finding test data files in directory ${TEST_FILE_DIR}.")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
# Set default install path if not provided.
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX
"${CMAKE_BINARY_DIR}/install"
CACHE PATH "default install path" FORCE)
endif()
include(GNUInstallDirs)
message(STATUS "Setting compiler flags...")
if(CMAKE_C_COMPILER_ID MATCHES "^(Intel|IntelLLVM)$")
set(CMAKE_C_FLAGS "-g -traceback ${CMAKE_C_FLAGS} -DIFORT")
if(CMAKE_C_COMPILER_ID MATCHES "^(IntelLLVM)$")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Rno-debug-disables-optimization")
endif()
set(CMAKE_C_FLAGS_DEBUG "-O0")
elseif(CMAKE_C_COMPILER_ID MATCHES "^(GNU)$")
set(CMAKE_C_FLAGS "-g ${CMAKE_C_FLAGS} -DGFORTRAN")
set(CMAKE_C_FLAGS_DEBUG "-O0")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel|IntelLLVM)$")
set(CMAKE_Fortran_FLAGS "-g -traceback ${CMAKE_Fortran_FLAGS}")
set(CMAKE_Fortran_FLAGS_DEBUG "-O0")
elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
set(CMAKE_Fortran_FLAGS "-g -fbacktrace ${CMAKE_Fortran_FLAGS}")
set(CMAKE_Fortran_FLAGS_DEBUG "-ggdb -O0")
endif()
message(STATUS "Checking if user wants to use NCEPLIBS-g2c...")
if(USE_G2CLIB)
if(USE_PNG)
message(FATAL_ERROR "If USE_G2CLIB is on, USE_PNG must be off")
endif()
endif()
if (BUILD_SHARED_LIB AND NOT BUILD_LIB)
message(FATAL_ERROR "BUILD_SHARED_LIB is on but BUILD_LIB is off")
endif()
# If user wants to use NCEPLIBS-ip, find it and the sp library.
message(STATUS "Checking if the user want to use NCEPLIBS-ip...")
if(USE_IPOLATES)
find_package(ip 5.1.0 CONFIG REQUIRED)
list(APPEND definitions_list -DIPOLATES_LIB="ipolates_lib_d")
# list(APPEND definitions_list -DUSE_IPOLATES)
endif()
message(STATUS "Checking if the user want to use NetCDF...")
if(USE_NETCDF)
find_package(NetCDF MODULE REQUIRED COMPONENTS C)
endif()
if(USE_OPENJPEG AND USE_JASPER)
message(FATAL_ERROR "USE_OPENJPEG OR USE_JASPER, not both")
endif()
message(STATUS "Checking if the user wants to use Jasper...")
if(USE_JASPER)
find_package(g2c 1.9.0 CONFIG REQUIRED)
endif()
# Find required packages to use OpenJPEG
message(STATUS "Checking if the user wants to use OpenJPEG...")
if(USE_OPENJPEG)
find_package(g2c 1.9.0 CONFIG REQUIRED)
endif()
message(STATUS "Checking if the user want to use OpenMP...")
if(USE_OPENMP)
find_package(OpenMP REQUIRED COMPONENTS C)
endif()
message(STATUS "Checking if the user wants to use PNG...")
if(USE_PNG)
find_package(ZLIB REQUIRED)
find_package(PNG REQUIRED)
endif()
# Find required packages to use AEC
message(STATUS "Checking if the user wants to use AEC...")
if(USE_AEC)
find_package(libaec 1.0.6 REQUIRED)
endif()
# write config.h
message(STATUS "Writing config.h...")
configure_file("${PROJECT_SOURCE_DIR}/wgrib2/config.h.in" "${CMAKE_CURRENT_BINARY_DIR}/config.h")
include_directories(${CMAKE_CURRENT_BINARY_DIR})
message(STATUS "Adding wgrib2, aux_probs subdirectories...")
add_subdirectory(wgrib2)
add_subdirectory(aux_progs)
if(MAKE_FTN_API AND NOT BUILD_LIB)
message(FATAL_ERROR "MAKE_FTN_API should only be on when building library")
endif()
if(BUILD_LIB)
message(STATUS "Adding wgrib2 library build...")
### Package config
include(CMakePackageConfigHelpers)
set(CONFIG_INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
# No need for config file if library isn't built
export(EXPORT wgrib2_exports
NAMESPACE wgrib2::
FILE wgrib2-targets.cmake)
configure_package_config_file(
${CMAKE_SOURCE_DIR}/cmake/PackageConfig.cmake.in ${CMAKE_BINARY_DIR}/${PROJECT_NAME}-config.cmake
INSTALL_DESTINATION ${CONFIG_INSTALL_DESTINATION})
install(FILES ${CMAKE_BINARY_DIR}/${PROJECT_NAME}-config.cmake
DESTINATION ${CONFIG_INSTALL_DESTINATION})
write_basic_package_version_file(
${CMAKE_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion)
install(FILES ${CMAKE_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake
DESTINATION ${CONFIG_INSTALL_DESTINATION})
install(EXPORT wgrib2_exports
NAMESPACE wgrib2::
FILE wgrib2-targets.cmake
DESTINATION ${CONFIG_INSTALL_DESTINATION})
endif()
if (BUILD_WGRIB)
add_subdirectory(wgrib)
endif()
# Turn on unit testing.
include(CTest)
if(BUILD_TESTING)
add_subdirectory(tests)
endif()
# Determine whether or not to generate documentation.
if(ENABLE_DOCS)
find_package(Doxygen REQUIRED)
add_subdirectory(docs)
endif()