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CMakeLists.txt
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CMakeLists.txt
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## This is a CMake file, part of Unidata's netCDF package.
# Copyright 2012-2018, see the COPYRIGHT file for more information.
#
##################################
# Set Project Properties
##################################
cmake_minimum_required(VERSION 3.20.0)
#Project Name
project(netCDF
LANGUAGES C CXX
HOMEPAGE_URL "https://www.unidata.ucar.edu/software/netcdf/"
DESCRIPTION "NetCDF is a set of software libraries and machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data."
VERSION 4.9.4
)
#####
# Version Info:
#
# Release Version
# Library Version
# SO Version
#
# SO Version is computed from library version. See:
# http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning
#####
set(NC_VERSION_NOTE "-development")
set(netCDF_VERSION ${PROJECT_VERSION}${NC_VERSION_NOTE})
set(VERSION ${netCDF_VERSION})
set(NC_VERSION ${netCDF_VERSION})
set(PACKAGE_VERSION ${VERSION})
# These values should match those in configure.ac
set(netCDF_LIB_VERSION 22)
set(netCDF_SO_VERSION 22)
#Add custom CMake Module
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" "${PROJECT_SOURCE_DIR}/cmake")
set(PACKAGE "netCDF" CACHE STRING "")
include(netcdf_functions_macros)
include(deprecated)
# Backport of built-in `PROJECT_IS_TOP_LEVEL` from CMake 3.21
if (NOT DEFINED NETCDF_IS_TOP_LEVEL)
set(NETCDF_IS_TOP_LEVEL OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(NETCDF_IS_TOP_LEVEL ON)
endif ()
endif ()
################################
# The target
################################
##
# Default building shared libraries.
# BUILD_SHARED_LIBS is provided by/used by
# CMake directly.
##
option(BUILD_SHARED_LIBS "Configure netCDF as a shared library." ON)
if(BUILD_SHARED_LIBS)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
add_library(netcdf)
add_library(netCDF::netcdf ALIAS netcdf)
# Version of the dispatch table. This must match the value in
# configure.ac.
set(NC_DISPATCH_VERSION 5)
# Get system configuration, Use it to determine osname, os release, cpu. These
# will be used when committing to CDash.
find_program(UNAME NAMES uname)
if(UNAME)
getuname(osname -s)
getuname(osrel -r)
getuname(cpu -m)
getuname(host -n)
set(TMP_BUILDNAME "${osname}-${osrel}-${cpu}")
endif()
find_program(GETFATTR NAMES getfattr)
if(GETFATTR)
set(HAVE_GETFATTR TRUE)
endif()
# Define some Platforms
if(osname MATCHES "CYGWIN.*")
set(ISCYGWIN yes)
endif()
if(osname MATCHES "Darwin.*")
set(ISOSX yes)
endif()
if(MSVC)
set(ISMSVC yes)
endif()
if(osname MATCHES "MINGW.*" OR osname MATCHES "MSYS.*")
set(ISMINGW yes)
set(MINGW yes)
endif()
###
# Allow for some customization of the buildname.
# This will make it easier to identify different builds,
# based on values passed from command line/shell scripts.
#
# For ctest scripts, we can use CTEST_BUILD_NAME.
###
set(BUILDNAME_PREFIX "" CACHE STRING "")
set(BUILDNAME_SUFFIX "" CACHE STRING "")
if(BUILDNAME_PREFIX)
set(TMP_BUILDNAME "${BUILDNAME_PREFIX}-${TMP_BUILDNAME}")
endif()
if(BUILDNAME_SUFFIX)
set(TMP_BUILDNAME "${TMP_BUILDNAME}-${BUILDNAME_SUFFIX}")
endif()
if(NOT BUILDNAME)
set(BUILDNAME "${TMP_BUILDNAME}" CACHE STRING "Build name variable for CDash")
endif()
###
# End BUILDNAME customization.
###
# For CMAKE_INSTALL_LIBDIR
include(GNUInstallDirs)
if(MSVC)
set(GLOBAL PROPERTY USE_FOLDERS ON)
target_compile_options(netcdf PUBLIC "/utf-8")
endif()
# auto-configure style checks, other CMake modules.
include(CheckLibraryExists)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckCXXSourceCompiles)
include(CheckCSourceCompiles)
include(TestBigEndian)
include(CheckSymbolExists)
include(GetPrerequisites)
include(CheckCCompilerFlag)
# A check to see if the system is big endian
TEST_BIG_ENDIAN(BIGENDIAN)
if(${BIGENDIAN})
set(WORDS_BIGENDIAN "1")
endif(${BIGENDIAN})
# Define a function to convert various true or false values
# to either TRUE|FALSE (uppercase).
# If value is not a recognized boolean, then return NOTFOUND
#1, ON, YES, TRUE, Y,
#0, OFF, NO, FALSE, N, IGNORE, NOTFOUND -NOTFOUND ""
set(TRUELIST "on;yes;y;true")
set(FALSELIST "off;no;n;false;0;ignore;notfound")
# Set the build type.
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE DEBUG CACHE STRING "Choose the type of build, options are: None, Debug, Release."
FORCE)
endif()
# Set build type uppercase
string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
# Determine the configure date.
if(DEFINED ENV{SOURCE_DATE_EPOCH})
execute_process(
COMMAND "date" "-u" "-d" "@$ENV{SOURCE_DATE_EPOCH}"
OUTPUT_VARIABLE CONFIG_DATE
)
else()
execute_process(
COMMAND date
OUTPUT_VARIABLE CONFIG_DATE
)
endif()
if(CONFIG_DATE)
string(STRIP ${CONFIG_DATE} CONFIG_DATE)
endif()
##
# Allow for extra dependencies.
##
set(EXTRA_DEPS "")
################################
# End Project Properties
################################
################################
# Set CTest Properties
################################
enable_testing()
include(CTest)
# Set Memory test program for non-MSVC based builds.
# Assume valgrind for now.
if((NOT MSVC) AND (NOT MINGW) AND (NOT ISCYGWIN))
set(CTEST_MEMORYCHECK_COMMAND valgrind CACHE STRING "")
endif()
# Set variable to define the build type.
include(GenerateExportHeader)
################################
# End CTest Properties
################################
################################
# Compiler and Linker Configuration
################################
# Set in support of https://github.com/Unidata/netcdf-c/issues/2700
if(${CMAKE_C_COMPILER_ID} MATCHES "Intel")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fhonor-infinities")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fhonor-infinities")
endif()
option(NETCDF_FIND_SHARED_LIBS "Find dynamically-built versions of dependent libraries" ${BUILD_SHARED_LIBS})
##
# We've had a request to allow for non-versioned shared libraries.
# This seems reasonable enough to accommodate. See
# https://github.com/Unidata/netcdf-c/issues/228 for more info.
##
option(NETCDF_ENABLE_SHARED_LIBRARY_VERSION "Encode the library SO version in the file name of the generated library file." ON)
# Set some default linux gcc & apple compiler options for
# debug builds.
if(CMAKE_COMPILER_IS_GNUCC OR APPLE)
option(NETCDF_ENABLE_COVERAGE_TESTS "Enable compiler flags needed to perform coverage tests." OFF)
option(NETCDF_ENABLE_CONVERSION_WARNINGS "Enable warnings for implicit conversion from 64 to 32-bit datatypes." ON)
option(NETCDF_ENABLE_LARGE_FILE_TESTS "Enable large file tests." OFF)
# Debugging flags
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall")
# Check to see if -Wl,--no-undefined is supported.
CHECK_C_LINKER_FLAG("-Wl,--no-undefined" LIBTOOL_HAS_NO_UNDEFINED)
if(LIBTOOL_HAS_NO_UNDEFINED)
set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} -Wl,--no-undefined")
endif()
set(CMAKE_REQUIRED_FLAGS "${TMP_CMAKE_REQUIRED_FLAGS}")
# Coverage tests need to have optimization turned off.
if(NETCDF_ENABLE_COVERAGE_TESTS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -coverage -fprofile-arcs -ftest-coverage")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -coverage -fprofile-arcs -ftest-coverage")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
message(STATUS "Coverage Tests: On.")
endif()
# Warnings for 64-to-32 bit conversions.
if(NETCDF_ENABLE_CONVERSION_WARNINGS)
CHECK_C_COMPILER_FLAG(-Wconversion CC_HAS_WCONVERSION)
CHECK_C_COMPILER_FLAG(-Wshorten-64-to-32 CC_HAS_SHORTEN_64_32)
if(CC_HAS_SHORTEN_64_32)
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshorten-64-to-32")
endif()
if(CC_HAS_WCONVERSION)
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wconversion")
endif()
endif(NETCDF_ENABLE_CONVERSION_WARNINGS)
endif(CMAKE_COMPILER_IS_GNUCC OR APPLE)
# End default linux gcc & apple compiler options.
# Use relative pathnames in __FILE__ macros on MINGW:
if(MINGW)
CHECK_C_COMPILER_FLAG("-fmacro-prefix-map='${CMAKE_SOURCE_DIR}'=." CC_HAS_MACRO_PREFIX_MAP)
if(CC_HAS_MACRO_PREFIX_MAP)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmacro-prefix-map='${CMAKE_SOURCE_DIR}'=.")
endif()
endif()
# Suppress CRT Warnings.
# Only necessary for Windows
if(MSVC)
target_compile_definitions(netcdf PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()
# Support ANSI format specifiers for *printf on MINGW:
if(MINGW)
target_compile_definitions(netcdf PRIVATE __USE_MINGW_ANSI_STDIO=1)
endif()
#####
# System inspection checks
#####
include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/oc2)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/libsrc)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/libsrc)
################################
# End Compiler Configuration
################################
##
# Configuration for post-install RPath
# Adapted from http://www.cmake.org/Wiki/CMake_RPATH_handling
##
if(NOT WIN32 AND BUILD_SHARED_LIBS)
# use, i.e. don't skip the full RPATH for the build tree
set(CMAKE_SKIP_BUILD_RPATH FALSE)
# when building, don't use the install RPATH already
# (but later on when installing)
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
if(APPLE)
set(CMAKE_MACOSX_RPATH ON)
endif(APPLE)
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# the RPATH to be used when installing,
# but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
if("${isSystemDir}" STREQUAL "-1")
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
endif("${isSystemDir}" STREQUAL "-1")
endif()
##
# End configuration for post-install RPath
##
################################
# Option checks
################################
# Default Cache variables.
set(DEFAULT_CHUNK_SIZE 16777216 CACHE STRING "Default Chunk Cache Size.")
set(DEFAULT_CHUNK_CACHE_SIZE 16777216U CACHE STRING "Default Chunk Cache Size.")
set(DEFAULT_CHUNKS_IN_CACHE 1000 CACHE STRING "Default number of chunks in cache.")
set(DEFAULT_CHUNK_CACHE_PREEMPTION 0.75 CACHE STRING "Default file chunk cache preemption policy (a number between 0 and 1, inclusive.")
# HDF5 default cache size values
set(CHUNK_CACHE_SIZE ${DEFAULT_CHUNK_CACHE_SIZE} CACHE STRING "Default HDF5 Chunk Cache Size.")
set(CHUNK_CACHE_NELEMS ${DEFAULT_CHUNKS_IN_CACHE} CACHE STRING "Default maximum number of elements in cache.")
set(CHUNK_CACHE_PREEMPTION ${DEFAULT_CHUNK_CACHE_PREEMPTION} CACHE STRING "Default file chunk cache preemption policy for HDf5 files(a number between 0 and 1, inclusive.")
set(NETCDF_LIB_NAME "" CACHE STRING "Default name of the netcdf library.")
set(TEMP_LARGE "." CACHE STRING "Where to put large temp files if large file tests are run.")
set(NCPROPERTIES_EXTRA "" CACHE STRING "Specify extra pairs for _NCProperties.")
if(NOT NETCDF_LIB_NAME STREQUAL "")
set(MOD_NETCDF_NAME ON)
endif()
# Set the appropriate compiler/architecture for universal OSX binaries.
if(${CMAKE_SYSTEM_NAME} EQUAL "Darwin")
set(CMAKE_OSX_ARCHITECTURES i386;x86_64)
endif(${CMAKE_SYSTEM_NAME} EQUAL "Darwin")
# Option to use Static Runtimes in MSVC
if(MSVC)
option(NETCDF_USE_STATIC_CRT "Use static CRT Libraries ('\\MT')." OFF)
if(NETCDF_USE_STATIC_CRT)
set(USE_STATIC_CRT ON)
specify_static_crt_flag()
endif()
endif()
# Option to build netCDF Version 2
OPTION (NETCDF_ENABLE_V2_API "Build netCDF Version 2." ON)
set(BUILD_V2 ${NETCDF_ENABLE_V2_API})
if(NOT NETCDF_ENABLE_V2_API)
set(NO_NETCDF_2 ON)
else(NOT NETCDF_ENABLE_V2_API)
set(USE_NETCDF_2 TRUE)
endif(NOT NETCDF_ENABLE_V2_API)
# Option to build utilities
option(NETCDF_BUILD_UTILITIES "Build ncgen, ncgen3, ncdump." ON)
option(NETCDF_GENERATE_NCGEN "Automatically regenerate ncgen C files if required" OFF)
# Option to use MMAP
option(NETCDF_ENABLE_MMAP "Use MMAP." ON)
# Option to use examples.
option(NETCDF_ENABLE_EXAMPLES "Build Examples" ON)
###
# Allow the user to specify libraries
# to link against, similar to automakes 'LIBS' variable.
###
set(NC_EXTRA_DEPS "" CACHE STRING "Additional libraries to link against.")
if(NC_EXTRA_DEPS)
string(REPLACE " " ";" DEPS_LIST ${NC_EXTRA_DEPS})
foreach(_DEP ${DEPS_LIST})
string(REGEX REPLACE "^-l" "" _LIB ${_DEP})
FIND_LIBRARY("${_LIB}_DEP" NAMES "${_LIB}" "lib${_LIB}")
message(STATUS ${${_LIB}_DEP})
if("${${_LIB}_DEP}" STREQUAL "${_LIB}_DEP-NOTFOUND")
message(FATAL_ERROR "Error finding ${_LIB}.")
else()
message(STATUS "Found ${_LIB}: ${${_LIB}_DEP}")
endif()
set(EXTRA_DEPS ${EXTRA_DEPS} "${${_LIB}_DEP}")
endforeach()
message(STATUS "Extra deps: ${EXTRA_DEPS}")
list(REMOVE_DUPLICATES EXTRA_DEPS)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${EXTRA_DEPS})
endif()
###
# End user-specified dependent libraries.
###
################################
# Format Option checks
################################
# As a long term goal, and because it is now the case that
# NETCDF_ENABLE_NCZARR => USE_NETCDF4, so make the external options
# NETCDF_ENABLE_NETCDF_4 and NETCDF_ENABLE_NETCDF4 obsolete
# in favor of NETCDF_ENABLE_HDF5.
# We will do the following for one more release cycle.
# 1. Make NETCDF_ENABLE_NETCDF_4 be an alias for NETCDF_ENABLE_NETCDF4.
# 2. Make NETCDF_ENABLE_NETCDF4 an alias for NETCDF_ENABLE_HDF5.
# 3. Internally, convert most (but not all) uses of USE_NETCDF_4 and USE_NETCDF4 to USE_HDF5.
# Collect the values of NETCDF_ENABLE_NETCDF_4, NETCDF_ENABLE_NETCDF4, and NETCDF_ENABLE_HDF5.
# Figure out which options are defined and process options
if(DEFINED NETCDF_ENABLE_NETCDF_4)
set(UNDEF_NETCDF_4 OFF CACHE BOOL "")
option(NETCDF_ENABLE_NETCDF_4 "" ON)
else()
set(UNDEF_NETCDF_4 ON CACHE BOOL "")
endif()
if(DEFINED NETCDF_ENABLE_NETCDF4)
set(UNDEF_NETCDF4 OFF CACHE BOOL "")
option(NETCDF_ENABLE_NETCDF4 "" ON)
else()
set(UNDEF_NETCDF4 ON CACHE BOOL "")
endif()
if(DEFINED NETCDF_ENABLE_HDF5)
set(UNDEF_HDF5 OFF CACHE BOOL "")
option(NETCDF_ENABLE_HDF5 "" ON)
else()
set(UNDEF_HDF5 ON CACHE BOOL "")
endif()
if(NOT UNDEF_NETCDF_4)
message(WARNING "NETCDF_ENABLE_NETCDF_4 is deprecated; please use NETCDF_ENABLE_HDF5")
endif()
if(NOT UNDEF_NETCDF4)
message(WARNING "NETCDF_ENABLE_NETCDF4 is deprecated; please use NETCDF_ENABLE_HDF5")
endif()
# NETCDF_ENABLE_NETCDF_4 overrides NETCDF_ENABLE_NETCDF4 if latter not defined.
if((NOT "${UNDEF_NETCDF_4}") AND UNDEF_NETCDF4)
set(NETCDF_ENABLE_NETCDF4 ${NETCDF_ENABLE_NETCDF_4} CACHE BOOL "" FORCE)
endif()
# NETCDF_ENABLE_NETCDF4 overrides NETCDF_ENABLE_HDF5 if latter not defined.
if((NOT "${UNDEF_NETCDF4}") AND UNDEF_HDF5)
set(NETCDF_ENABLE_HDF5 "${NETCDF_ENABLE_HDF5}" CACHE BOOL "" FORCE)
endif()
# Otherwise, use NETCDF_ENABLE_HDF5 default
if(UNDEF_HDF5)
set(NETCDF_ENABLE_HDF5 ON CACHE BOOL "" FORCE)
endif()
# Turn off NETCDF_ENABLE_NETCDF4 because it will be used
# as a shorthand for NETCDF_ENABLE_HDF5|NETCDF_ENABLE_HDF4|NETCDF_ENABLE_NCZARR
set(NETCDF_ENABLE_NETCDF4 OFF CACHE BOOL "" FORCE)
option(NETCDF_ENABLE_DAP "Enable DAP2 and DAP4 Client." ON)
option(NETCDF_ENABLE_NCZARR "Enable NCZarr Client." ON)
option(NETCDF_ENABLE_PNETCDF "Build with parallel I/O for CDF-1, 2, and 5 files using PnetCDF." OFF)
set(NETCDF_ENABLE_CDF5 AUTO CACHE STRING "AUTO")
option(NETCDF_ENABLE_CDF5 "Enable CDF5 support" ON)
option(NETCDF_ENABLE_HDF4 "Enable HDF4 Read Support" OFF)
option(NETCDF_ENABLE_HDF4_FILE_TESTS "Enable HDF4 File Tests" ${NETCDF_ENABLE_HDF4})
if(NETCDF_ENABLE_HDF4)
set(USE_HDF4 ON)
endif()
# Netcdf-4 support (i.e. libsrc4) is required by more than just HDF5 (e.g. NCZarr)
# So depending on what above formats are enabled, enable netcdf-4
if(NETCDF_ENABLE_HDF5 OR NETCDF_ENABLE_HDF4 OR NETCDF_ENABLE_NCZARR)
set(NETCDF_ENABLE_NETCDF4 ON CACHE BOOL "Enable netCDF-4 API" FORCE)
endif()
# enable|disable all forms of network access
option(NETCDF_ENABLE_REMOTE_FUNCTIONALITY "Enable|disable all forms remote data access (DAP, S3, etc)" ON)
if(NOT NETCDF_ENABLE_REMOTE_FUNCTIONALITY AND NETCDF_ENABLE_DAP)
message(WARNING "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_DAP[4]=NO")
set(NETCDF_ENABLE_DAP OFF CACHE BOOL "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_DAP=NO" FORCE)
set(NETCDF_ENABLE_DAP2 OFF CACHE BOOL "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_DAP2=NO" FORCE)
set(NETCDF_ENABLE_DAP4 OFF CACHE BOOL "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_DAP4=NO" FORCE)
endif()
# Option to Build DLL
if(WIN32)
option(NETCDF_ENABLE_DLL "Build a Windows DLL." ${BUILD_SHARED_LIBS})
if(NETCDF_ENABLE_DLL)
set(BUILD_DLL ON CACHE BOOL "")
target_compile_definitions(netcdf PRIVATE DLL_EXPORT)
target_compile_definitions(netcdf PUBLIC DLL_NETCDF)
endif()
endif()
# Did the user specify a default minimum blocksize for posixio?
set(NCIO_MINBLOCKSIZE 256 CACHE STRING "Minimum I/O Blocksize for netCDF classic and 64-bit offset format files.")
if(NETCDF_ENABLE_NETCDF4)
set(USE_NETCDF4 ON CACHE BOOL "")
set(NETCDF_ENABLE_NETCDF4 ON CACHE BOOL "")
else()
set(USE_HDF4_FILE_TESTS OFF)
set(USE_HDF4 OFF)
set(NETCDF_ENABLE_HDF4_FILE_TESTS OFF)
set(NETCDF_ENABLE_HDF4 OFF)
endif()
# Option Logging, only valid for netcdf4 dispatchers.
option(NETCDF_ENABLE_LOGGING "Enable Logging." OFF)
if(NOT NETCDF_ENABLE_NETCDF4)
set(NETCDF_ENABLE_LOGGING OFF)
endif()
set(LOGGING ${NETCDF_ENABLE_LOGGING})
set(NETCDF_ENABLE_SET_LOG_LEVEL ${NETCDF_ENABLE_LOGGING})
# Option to allow for strict null file padding.
# See https://github.com/Unidata/netcdf-c/issues/657 for more information
option(NETCDF_ENABLE_STRICT_NULL_BYTE_HEADER_PADDING "Enable strict null byte header padding." OFF)
if(NETCDF_ENABLE_STRICT_NULL_BYTE_HEADER_PADDING)
set(USE_STRICT_NULL_BYTE_HEADER_PADDING ON CACHE BOOL "")
endif(NETCDF_ENABLE_STRICT_NULL_BYTE_HEADER_PADDING)
# Note that szip management is tricky.
# This is because we have three things to consider:
# 1. is libsz available?
# 2. is szip enabled in HDF5?
# 3. is nczarr enabled?
# We need separate flags for cases 1 and 2
set(USE_HDF5 ${NETCDF_ENABLE_HDF5})
if(NETCDF_ENABLE_DAP)
set(USE_DAP ON CACHE BOOL "")
set(NETCDF_ENABLE_DAP2 ON CACHE BOOL "")
if(NETCDF_ENABLE_HDF5)
message(STATUS "Enabling DAP4")
set(NETCDF_ENABLE_DAP4 ON CACHE BOOL "")
else()
message(STATUS "Disabling DAP4")
set(NETCDF_ENABLE_DAP4 OFF CACHE BOOL "")
endif(NETCDF_ENABLE_HDF5)
else()
set(NETCDF_ENABLE_DAP2 OFF CACHE BOOL "")
set(NETCDF_ENABLE_DAP4 OFF CACHE BOOL "")
endif()
# Option to support byte-range reading of remote datasets
option(NETCDF_ENABLE_BYTERANGE "Enable byte-range access to remote datasets.." ${NETCDF_ENABLE_DAP})
if(NOT NETCDF_ENABLE_REMOTE_FUNCTIONALITY AND NETCDF_ENABLE_BYTERANGE)
message(WARNING "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_BYTERANGE=NO")
set(NETCDF_ENABLE_BYTERANGE OFF CACHE BOOL "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => NETCDF_ENABLE_BYTERANGE=NO" FORCE)
endif()
# Option to Enable DAP long tests, remote tests.
option(NETCDF_ENABLE_DAP_REMOTE_TESTS "Enable DAP remote tests." ON)
option(NETCDF_ENABLE_EXTERNAL_SERVER_TESTS "Enable external Server remote tests." OFF)
option(NETCDF_ENABLE_DAP_LONG_TESTS "Enable DAP long tests." OFF)
if(NOT NETCDF_ENABLE_DAP)
set(NETCDF_ENABLE_DAP_REMOTE_TESTS OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_EXTERNAL_SERVER_TESTS OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_DAP_LONG_TESTS OFF CACHE BOOL "" FORCE)
endif()
# Provide a global control for remotetest.
if ("$ENV{REMOTETESTDOWN}" STREQUAL "yes" AND NETCDF_ENABLE_DAP_REMOTE_TESTS)
message(WARNING "ENV(REMOTETESTDOWN) => NETCDF_ENABLE_DAP_REMOTE_TESTS == OFF")
set(NETCDF_ENABLE_DAP_REMOTE_TESTS OFF CACHE BOOL "" FORCE)
endif()
set(REMOTETESTSERVERS "remotetest.unidata.ucar.edu" CACHE STRING "test servers to use for remote test")
set(REMOTETESTSERVERS "remotetest.unidata.ucar.edu" CACHE STRING "test servers to use for remote test")
# Locate some compressors
option(NETCDF_ENABLE_PLUGINS "Enable netCDF Plugins." ON)
option(NETCDF_ENABLE_FILTER_SZIP "Enable use of Szip compression library if it is available. Required if NETCDF_ENABLE_NCZARR is true." ON)
option(NETCDF_ENABLE_FILTER_BZ2 "Enable use of Bz2 compression library if it is available." ON)
option(NETCDF_ENABLE_FILTER_BLOSC "Enable use of blosc compression library if it is available." ON)
option(NETCDF_ENABLE_FILTER_ZSTD "Enable use of Zstd compression library if it is available." ON)
# If user wants, then install selected plugins (default on)
set(NETCDF_PLUGIN_INSTALL_DIR "YES" CACHE STRING "Whether and where we should install plugins; defaults to yes")
if(NOT NETCDF_ENABLE_PLUGINS)
unset(NETCDF_PLUGIN_INSTALL_DIR CACHE)
endif()
# This is ugly, but seems necessary because of CMake's boolean structure
set(boolval FALSE)
if(DEFINED NETCDF_PLUGIN_INSTALL_DIR)
booleanize(${NETCDF_PLUGIN_INSTALL_DIR} boolval)
if(boolval)
set(ENABLE_PLUGIN_INSTALL YES)
# No actual value was specified
unset(NETCDF_PLUGIN_INSTALL_DIR CACHE)
else()
if(boolval STREQUAL "NOTFOUND")
# Must be an actual value
set(ENABLE_PLUGIN_INSTALL YES)
else()
set(ENABLE_PLUGIN_INSTALL NO)
endif()
endif()
else()
set(ENABLE_PLUGIN_INSTALL NO)
endif()
# Ensure no defined plugin dir if not enabled
if(NOT ENABLE_PLUGIN_INSTALL)
unset(NETCDF_PLUGIN_INSTALL_DIR CACHE)
endif()
if(ENABLE_PLUGIN_INSTALL)
if(NOT DEFINED NETCDF_PLUGIN_INSTALL_DIR)
# Default to HDF5_PLUGIN_PATH or its default directories
if(DEFINED ENV{HDF5_PLUGIN_PATH})
set(NETCDF_PLUGIN_INSTALL_DIR "$ENV{HDF5_PLUGIN_PATH}")
else()
if(ISMSVC OR ISMINGW)
set(NETCDF_PLUGIN_INSTALL_DIR "$ENV{ALLUSERSPROFILE}\\hdf5\\lib\\plugin")
else()
set(NETCDF_PLUGIN_INSTALL_DIR "/usr/local/hdf5/lib/plugin")
endif()
endif()
message(STATUS "Defaulting to -DPLUGIN_INSTALL_DIR=${NETCDF_PLUGIN_INSTALL_DIR}")
endif()
endif()
if(ENABLE_PLUGIN_INSTALL)
# Use the lowest priority dir in the path
if(NOT ISMSVC AND NOT ISMINGW)
string(REPLACE ":" ";" PATH_LIST ${NETCDF_PLUGIN_INSTALL_DIR})
else()
set(PATH_LIST ${NETCDF_PLUGIN_INSTALL_DIR})
endif()
# Get last element
list(GET PATH_LIST -1 NETCDF_PLUGIN_INSTALL_DIR)
set(PLUGIN_INSTALL_DIR_SETTING "${NETCDF_PLUGIN_INSTALL_DIR}")
message(STATUS "Final value of-DPLUGIN_INSTALL_DIR=${NETCDF_PLUGIN_INSTALL_DIR}")
else() # No option specified
unset(NETCDF_PLUGIN_INSTALL_DIR)
unset(NETCDF_PLUGIN_INSTALL_DIR CACHE)
set(PLUGIN_INSTALL_DIR_SETTING "N.A.")
endif()
message(STATUS "ENABLE_PLUGIN_INSTALL=${ENABLE_PLUGIN_INSTALL} PLUGIN_INSTALL_DIR=${NETCDF_PLUGIN_INSTALL_DIR}")
# Try to enable NCZarr zip support
option(NETCDF_ENABLE_NCZARR_ZIP "Enable NCZarr ZIP support." ${NETCDF_ENABLE_NCZARR})
include(CMakeDependentOption)
# libdl is always available; built-in in Windows and OSX
cmake_dependent_option(NETCDF_ENABLE_PLUGINS "Enable dynamically loaded plugins (default on)."
ON "BUILD_SHARED_LIBS" OFF)
MESSAGE(STATUS "NETCDF_ENABLE_PLUGINS: ${NETCDF_ENABLE_PLUGINS}")
if(NOT WIN32)
if(HAVE_DLFCN_H)
include_directories("dlfcn.h")
endif()
endif()
if(NETCDF_ENABLE_PLUGINS)
set(USEPLUGINS yes)
endif()
# Enable some developer-only tests
option(NETCDF_ENABLE_EXTRA_TESTS "Enable Extra tests. Some may not work because of known issues. Developers only." OFF)
if(NETCDF_ENABLE_EXTRA_TESTS)
set(EXTRA_TESTS ON)
endif()
# Option to use bundled XGetopt in place of getopt(). This is mostly useful
# for MSVC builds. If not building utilities or some tests,
# getopt() isn't required at all.
if(MSVC)
option(NETCDF_ENABLE_XGETOPT "Enable bundled XGetOpt instead of external getopt()." ON)
if(NETCDF_ENABLE_XGETOPT)
set(USE_X_GETOPT ON CACHE BOOL "")
endif()
endif()
set(MATH "")
if(NOT WIN32)
# STDIO instead of posixio.
option(NETCDF_ENABLE_STDIO "If true, use stdio instead of posixio (ex. on the Cray)" OFF)
if(NETCDF_ENABLE_STDIO)
set(USE_STDIO ON CACHE BOOL "")
endif()
# FFIO insteaad of PosixIO
option(NETCDF_ENABLE_FFIO "If true, use ffio instead of posixio" OFF)
if(NETCDF_ENABLE_FFIO)
set(USE_FFIO ON CACHE BOOL "")
endif()
endif()
# Options for S3 Support
#option(NETCDF_ENABLE_S3 "Enable S3 support." OFF)
option(NETCDF_ENABLE_S3_AWS "Enable S3 support via AWS-CPP-SDK" OFF)
option(NETCDF_ENABLE_S3_INTERNAL "Enable S3 Internal support." OFF)
cmake_dependent_option(NETCDF_ENABLE_S3 "Enable S3 Support" ON "NETCDF_ENABLE_S3_AWS OR NETCDF_ENABLE_S3_INTERNAL" OFF)
option(NETCDF_ENABLE_NCZARR_S3 "Enable NCZarr S3 support; Deprecated in favor of NETCDF_ENABLE_S3" ${NETCDF_ENABLE_S3})
if(NOT NETCDF_ENABLE_REMOTE_FUNCTIONALITY)
set(NETCDF_ENABLE_S3 OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_S3_INTERNAL OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_S3_AWS OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_NCZARR_S3 OFF CACHE BOOL "" FORCE)
endif()
# Control S3 Testing: Multi-valued option
set(WITH_S3_TESTING OFF CACHE STRING "Control S3 Testing: ON (i.e. all) OFF (i.e. none) PUBLIC")
SET_PROPERTY(CACHE WITH_S3_TESTING PROPERTY STRINGS ON OFF PUBLIC) #
if(WITH_S3_TESTING STREQUAL "")
set(WITH_S3_TESTING OFF CACHE STRING "") # Default
endif()
if(WITH_S3_TESTING)
message(WARNING "**** DO NOT USE WITH_S3_TESTING=ON UNLESS YOU HAVE ACCESS TO THE UNIDATA S3 BUCKET! ***")
endif()
# NETCDF_ENABLE_NCZARR_S3 is now an alias for NETCDF_ENABLE_S3 (but...)
if (NOT NETCDF_ENABLE_S3 AND NETCDF_ENABLE_NCZARR_S3)
set(NETCDF_ENABLE_S3 ON CACHE BOOL "NCARR S3" FORCE) # For back compatibility
endif()
unset(NETCDF_ENABLE_NCZARR_S3)
if(NOT NETCDF_ENABLE_REMOTE_FUNCTIONALITY)
message(WARNING "NETCDF_ENABLE_REMOTE_FUNCTIONALITY=NO => disable all s3 functionality")
set(NETCDF_ENABLE_S3 OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_S3_INTERNAL OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_NCZARR_S3 OFF CACHE BOOL "" FORCE)
set(NETCDF_ENABLE_HDF5_ROS3 OFF CACHE BOOL "Use ROS3" FORCE)
set(WITH_S3_TESTING OFF CACHE STRING "" FORCE)
endif()
if(NETCDF_ENABLE_S3)
if(NOT NETCDF_ENABLE_S3_AWS AND NOT NETCDF_ENABLE_S3_INTERNAL)
message(FATAL_ERROR "S3 support library not found; please specify option -DNETCDF_ENABLE_S3=NO")
set(NETCDF_ENABLE_S3 OFF CACHE BOOL "S3 support" FORCE)
endif()
if(NETCDF_ENABLE_S3_AWS AND NETCDF_ENABLE_S3_INTERNAL)
message(WARNING "Both aws-sdk-cpp and s3-internal enabled => use s3-internal")
set(NETCDF_ENABLE_S3_AWS OFF CACHE BOOL "S3 AWS" FORCE)
endif()
endif()
if(NOT NETCDF_ENABLE_S3)
if(WITH_S3_TESTING STREQUAL "PUBLIC" OR WITH_S3_TESTING)
message(WARNING "S3 support is disabled => WITH_S3_TESTING=OFF")
set(WITH_S3_TESTING OFF CACHE STRING "" FORCE)
endif()
endif()
option(NETCDF_ENABLE_LIBXML2 "Link against libxml2 if it is available, use the packaged tinyxml2 parser otherwise." ON)
set(XMLPARSER "tinyxml2 (bundled)")
if(NOT NETCDF_ENABLE_BYTERANGE AND NETCDF_ENABLE_HDF5_ROS3)
message(WARNING "ROS3 support requires NETCDF_ENABLE_BYTERANGE=TRUE; disabling ROS3 support")
set(NETCDF_ENABLE_HDF5_ROS3 OFF CACHE BOOL "ROS3 support" FORCE)
endif()
##
# Enable Tests
##
option(NETCDF_ENABLE_TESTS "Enable basic tests, run with 'make test'." ON)
if(NETCDF_ENABLE_TESTS)
set(BUILD_TESTSETS ON CACHE BOOL "")
# Options for CTest-based tests, dashboards.
set(NC_CTEST_PROJECT_NAME "netcdf-c" CACHE STRING "Project Name for CTest-based testing purposes.")
set(NC_CTEST_DROP_SITE "cdash.unidata.ucar.edu:443" CACHE STRING "Dashboard location for CTest-based testing purposes.")
set(NC_CTEST_DROP_LOC_PREFIX "" CACHE STRING "Prefix for Dashboard location on remote server when using CTest-based testing.")
set(SUBMIT_URL "https://cdash.unidata.ucar.edu:443")
if("${host}" STREQUAL "")
find_program(HOSTNAME_CMD NAMES hostname)
if(NOT WIN32)
set(HOSTNAME_ARG "-s")
endif()
if(HOSTNAME_CMD)
execute_process(COMMAND ${HOSTNAME_CMD} "${HOSTNAME_ARG}" OUTPUT_VARIABLE HOSTNAME OUTPUT_STRIP_TRAILING_WHITESPACE)
set(NC_CTEST_SITE "${HOSTNAME}" CACHE STRING "Hostname of test machine.")
endif()
else()
set(NC_CTEST_SITE "${host}" CACHE STRING "Hostname of test machine.")
endif()
if(NC_CTEST_SITE)
set(SITE "${NC_CTEST_SITE}" CACHE STRING "")
endif()
###
# This option dictates whether or not to turn on
# tests which are known to fail. This is not the
# same thing as an 'expected failure'. Rather, these
# are tests that will need to be fixed eventually.
#
# By placing them here, we can occasionally turn this
# flag on and see if any known failures have been
# fixed in the course of code improvement/other bug
# fixes.
#
# To use this, simply add as a fencepost around tests
# which are known to fail.
###
option(NETCDF_ENABLE_FAILING_TESTS "Run tests which are known to fail, check to see if any have been fixed." OFF)
###
# Option to turn on unit testing. See
# https://github.com/Unidata/netcdf-c/pull/1472 for more information.
###
option(NETCDF_ENABLE_UNIT_TESTS "Run Unit Tests." ON)
###
# Option to turn on performance testing.
# See https://github.com/Unidata/netcdf-c/issues/2627 for more information.
###
option(NETCDF_ENABLE_BENCHMARKS "Run benchmark Tests." OFF)
###
# End known-failures.
###
MARK_AS_ADVANCED(NETCDF_ENABLE_FAILING_TESTS)
endif()
###
# Option to enable extreme numbers during testing.
###
option(NETCDF_ENABLE_EXTREME_NUMBERS "Enable extreme numbers during testing, such as MAX_INT-1" ON)
if(NETCDF_ENABLE_EXTREME_NUMBERS)
set(USE_EXTREME_NUMBERS ON)
endif()
# Enable Large file tests
if(NETCDF_ENABLE_LARGE_FILE_TESTS)
set(LARGE_FILE_TESTS ON)
endif()
option(NETCDF_ENABLE_METADATA_PERF_TESTS "Enable test of metadata performance." OFF)
if(NETCDF_ENABLE_METADATA_PERF_TESTS)
set(ENABLE_METADATA_PERF ON)
endif()
# Location for large file tests.
set(TEMP_LARGE "." CACHE STRING "Location to store large file tests.")
option(NETCDF_ENABLE_FSYNC "Enable experimental fsync code." OFF)
if(NETCDF_ENABLE_FSYNC)
set(USE_FSYNC ON)
endif()
# Linux specific large file support flags.
# Modelled after check in CMakeLists.txt for hdf5.
option(NETCDF_ENABLE_LARGE_FILE_SUPPORT "Enable large file support." ON)
if(NETCDF_ENABLE_LARGE_FILE_SUPPORT)
if(MSVC)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LARGEADDRESSAWARE")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /LARGEADDRESSAWARE")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64")
endif()
endif()
option(NETCDF_ENABLE_EXAMPLE_TESTS "Run extra example tests. Requires GNU Sed. Ignored if HDF5 is not Enabled" OFF)
if(NOT NETCDF_ENABLE_HDF5 AND NETCDF_ENABLE_EXAMPLE_TESTS)
set(NETCDF_ENABLE_EXAMPLE_TESTS OFF)
endif()
##################################
# Dependencies
##################################
include(cmake/dependencies.cmake)
################################
# End Dependencies
################################
# Enable Parallel IO with netCDF-4/HDF5 files using HDF5 parallel I/O.
set(STATUS_PARALLEL "OFF")
set(IMPORT_MPI "")
option(NETCDF_ENABLE_PARALLEL4 "Build netCDF-4 with parallel IO" "${HDF5_PARALLEL}")
option(NETCDF_MPIEXEC "Command to use instead of mpiexec to launch parallel I/O tests" OFF)
if(NETCDF_ENABLE_PARALLEL4 AND NETCDF_ENABLE_HDF5)
if(NOT HDF5_PARALLEL)
set(USE_PARALLEL OFF CACHE BOOL "")
message(STATUS "Cannot find HDF5 library built with parallel support. Disabling parallel build.")
else()
set(HDF5_PARALLEL ON CACHE BOOL "")
set(USE_PARALLEL ON CACHE BOOL "")
set(USE_PARALLEL4 ON CACHE BOOL "")
set(STATUS_PARALLEL "ON")
if(NETCDF_MPIEXEC)
set(MPIEXEC "${NETCDF_MPIEXEC}")
endif()
message(STATUS "MPIEXEC command will be ${MPIEXEC}")
configure_file("${netCDF_SOURCE_DIR}/nc_test4/run_par_test.sh.in"
"${netCDF_BINARY_DIR}/tmp/run_par_test.sh" @ONLY NEWLINE_STYLE LF)
file(COPY "${netCDF_BINARY_DIR}/tmp/run_par_test.sh"
DESTINATION ${netCDF_BINARY_DIR}/nc_test4
FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
configure_file("${netCDF_SOURCE_DIR}/h5_test/run_par_tests.sh.in"
"${netCDF_BINARY_DIR}/tmp/run_par_tests.sh" @ONLY NEWLINE_STYLE LF)
file(COPY "${netCDF_BINARY_DIR}/tmp/run_par_tests.sh"
DESTINATION ${netCDF_BINARY_DIR}/h5_test
FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
set(IMPORT_MPI "include(CMakeFindDependencyMacro)\nfind_dependency(MPI COMPONENTS C)")
endif()
endif()
# Options to enable parallel IO for classic formats with PnetCDF library.
set(STATUS_PNETCDF ${NETCDF_ENABLE_PNETCDF})
set(USE_PNETCDF ${NETCDF_ENABLE_PNETCDF})
if(NETCDF_ENABLE_PNETCDF)
set(STATUS_PARALLEL ON)
set(USE_PARALLEL ON CACHE BOOL "")
###
# Generate pnetcdf test
###
configure_file("${netCDF_SOURCE_DIR}/nc_test/run_pnetcdf_tests.sh.in"
"${netCDF_BINARY_DIR}/nc_test/run_pnetcdf_tests.sh")
endif()
# Options to enable use of fill values for elements causing NC_ERANGE
set(NETCDF_ENABLE_ERANGE_FILL AUTO CACHE STRING "AUTO")
option(NETCDF_ENABLE_ERANGE_FILL "Enable use of fill value when out-of-range type conversion causes NC_ERANGE error." OFF)
if(NETCDF_ENABLE_ERANGE_FILL) # enable or auto
string(TOUPPER ${NETCDF_ENABLE_ERANGE_FILL} NETCDF_ENABLE_ERANGE_FILL)
if(NETCDF_ENABLE_ERANGE_FILL AND NOT NETCDF_ENABLE_ERANGE_FILL STREQUAL "AUTO")
# explicitly enabled
set(NETCDF_ENABLE_ERANGE_FILL ON)
else()
if(NOT NETCDF_ENABLE_ERANGE_FILL STREQUAL "AUTO")
set(NETCDF_ENABLE_ERANGE_FILL OFF)
endif()
endif()
endif(NETCDF_ENABLE_ERANGE_FILL)
# Now NETCDF_ENABLE_ERANGE_FILL is either AUTO, ON, or OFF
# More relaxed coordinate check is now mandatory for all builds.
set(ENABLE_ZERO_LENGTH_COORD_BOUND ON)
# check and conform with PnetCDF settings on ERANGE_FILL and RELAX_COORD_BOUND
if(USE_PNETCDF)
if(NETCDF_ENABLE_ERANGE_FILL STREQUAL "AUTO") # not set on command line
set(NETCDF_ENABLE_ERANGE_FILL "${PNETCDF_HAS_ERANGE_FILL}")