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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
##################################
#Minimum required CMake Version
cmake_minimum_required(VERSION 3.12.0)
# CMake 3.12: Use libraries specified in CMAKE_REQUIRED_LIBRARIES for check include macros
#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."
)
set(PACKAGE "netCDF" CACHE STRING "")
#####
# 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_MAJOR 4)
SET(NC_VERSION_MINOR 9)
SET(NC_VERSION_PATCH 2)
SET(NC_VERSION_NOTE "-development")
SET(netCDF_VERSION ${NC_VERSION_MAJOR}.${NC_VERSION_MINOR}.${NC_VERSION_PATCH}${NC_VERSION_NOTE})
SET(VERSION ${netCDF_VERSION})
SET(NC_VERSION ${netCDF_VERSION})
SET(PACKAGE_VERSION ${VERSION})
# These values should match those in configure.ac
SET(netCDF_LIB_VERSION 19)
SET(netCDF_SO_VERSION 19)
# Version of the dispatch table. This must match the value in
# configure.ac.
SET(NC_DISPATCH_VERSION 5)
# Get system configuration, Use it to determine osname, os release, cpu. These
# will be used when committing to CDash.
find_program(UNAME NAMES uname)
IF(UNAME)
macro(getuname name flag)
exec_program("${UNAME}" ARGS "${flag}" OUTPUT_VARIABLE "${name}")
endmacro(getuname)
getuname(osname -s)
getuname(osrel -r)
getuname(cpu -m)
set(TMP_BUILDNAME "${osname}-${osrel}-${cpu}")
ENDIF()
# Define some Platforms
if(osname MATCHES "CYGWIN.*")
SET(ISCYGWIN yes)
endif()
if(osname MATCHES "Darwin.*")
SET(ISOSX yes)
endif()
if(MSVC)
SET(ISMSVC yes)
endif()
if(osname MATCHES "MINGW.*" OR osname MATCHES "MSYS.*")
SET(ISMINGW yes)
SET(MINGW yes)
endif()
###
# Allow for some customization of the buildname.
# This will make it easier to identify different builds,
# based on values passed from command line/shell scripts.
#
# For ctest scripts, we can use CTEST_BUILD_NAME.
###
SET(BUILDNAME_PREFIX "" CACHE STRING "")
SET(BUILDNAME_SUFFIX "" CACHE STRING "")
IF(BUILDNAME_PREFIX)
SET(TMP_BUILDNAME "${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)
ADD_COMPILE_OPTIONS("/utf-8")
ENDIF()
#Add custom CMake Module
SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/"
CACHE INTERNAL "Location of our custom CMake modules.")
# auto-configure style checks, other CMake modules.
INCLUDE(CheckLibraryExists)
INCLUDE(CheckIncludeFile)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckTypeSize)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckCXXSourceCompiles)
INCLUDE(CheckCSourceCompiles)
INCLUDE(TestBigEndian)
INCLUDE(CheckSymbolExists)
INCLUDE(GetPrerequisites)
INCLUDE(CheckCCompilerFlag)
FIND_PACKAGE(PkgConfig QUIET)
# A check to see if the system is big endian
TEST_BIG_ENDIAN(BIGENDIAN)
IF(${BIGENDIAN})
SET(WORDS_BIGENDIAN "1")
ENDIF(${BIGENDIAN})
# Define a function to convert various true or false values
# to either TRUE|FALSE (uppercase).
# If value is not a recognized boolean, then return NOTFOUND
#1, ON, YES, TRUE, Y,
#0, OFF, NO, FALSE, N, IGNORE, NOTFOUND -NOTFOUND ""
SET(TRUELIST "on;yes;y;true")
SET(FALSELIST "off;no;n;false;0;ignore;notfound")
function(booleanize VALUE RETVAR)
# force case
STRING(TOLOWER "${VALUE}" LCVALUE)
# Now do all the comparisons
if(LCVALUE IN_LIST TRUELIST OR LCVALUE GREATER 0)
SET(${RETVAR} TRUE PARENT_SCOPE)
elseif(LCVALUE IN_LIST FALSELIST OR LCVALUE MATCHES ".*-notfound" OR LCVALUE STREQUAL "")
SET(${RETVAR} FALSE PARENT_SCOPE)
else()
SET(${RETVAR} NOTFOUND PARENT_SCOPE)
endif()
endfunction()
# A macro to check if a C linker supports a particular flag.
MACRO(CHECK_C_LINKER_FLAG M_FLAG M_RESULT)
SET(T_REQ_FLAG "${CMAKE_REQUIRED_FLAGS}")
SET(CMAKE_REQUIRED_FLAGS "${M_FLAG}")
CHECK_C_SOURCE_COMPILES("int main() {return 0;}" ${M_RESULT})
SET(CMAKE_REQUIRED_FLAGS "${T_REQ_FLAG}")
ENDMACRO()
# Enable 'dist and distcheck'.
# File adapted from http://ensc.de/cmake/FindMakeDist.cmake
FIND_PACKAGE(MakeDist)
# End 'enable dist and distcheck'
# 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)
# Copy the CTest customization file into binary directory, as required.
FILE(COPY ${CMAKE_CURRENT_SOURCE_DIR}/CTestCustom.cmake DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
# 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
################################
##
# 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()
OPTION(NC_FIND_SHARED_LIBS "Find dynamically-built versions of dependent libraries" ${BUILD_SHARED_LIBS})
##
# We've had a request to allow for non-versioned shared libraries.
# This seems reasonable enough to accommodate. See
# https://github.com/Unidata/netcdf-c/issues/228 for more info.
##
OPTION(ENABLE_SHARED_LIBRARY_VERSION "Encode the library SO version in the file name of the generated library file." ON)
# Set some default linux gcc & apple compiler options for
# debug builds.
IF(CMAKE_COMPILER_IS_GNUCC OR APPLE)
OPTION(ENABLE_COVERAGE_TESTS "Enable compiler flags needed to perform coverage tests." OFF)
OPTION(ENABLE_CONVERSION_WARNINGS "Enable warnings for implicit conversion from 64 to 32-bit datatypes." ON)
OPTION(ENABLE_LARGE_FILE_TESTS "Enable large file tests." OFF)
# Debugging flags
SET(CMAKE_C_FLAGS_DEBUG "${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(ENABLE_COVERAGE_TESTS)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
MESSAGE(STATUS "Coverage Tests: On.")
ENDIF()
# Warnings for 64-to-32 bit conversions.
IF(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(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='${CMAKE_SOURCE_DIR}'=.")
ENDIF()
ENDIF()
ADD_DEFINITIONS()
# Suppress CRT Warnings.
# Only necessary for Windows
IF(MSVC)
ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
ENDIF()
# Support ANSI format specifiers for *printf on MINGW:
IF(MINGW)
ADD_DEFINITIONS(-D__USE_MINGW_ANSI_STDIO=1)
ENDIF()
#####
# System inspection checks
#####
INCLUDE_DIRECTORIES(${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("${isSystemDir}" STREQUAL "-1")
ENDIF()
##
# End configuration for post-install RPath
##
################################
# Option checks
################################
# HDF5 cache variables.
SET(DEFAULT_CHUNK_SIZE 16777216 CACHE STRING "Default Chunk Cache Size.")
SET(DEFAULT_CHUNKS_IN_CACHE 10 CACHE STRING "Default number of chunks in cache.")
SET(CHUNK_CACHE_SIZE 16777216 CACHE STRING "Default Chunk Cache Size.")
SET(CHUNK_CACHE_NELEMS 4133 CACHE STRING "Default maximum number of elements in cache.")
SET(CHUNK_CACHE_PREEMPTION 0.75 CACHE STRING "Default file chunk cache preemption policy for HDf5 files(a number between 0 and 1, inclusive.")
SET(CHUNK_CACHE_SIZE_NCZARR 4194304 CACHE STRING "Default NCZarr Chunk Cache Size.")
SET(MAX_DEFAULT_CACHE_SIZE 67108864 CACHE STRING "Default maximum cache size.")
SET(NETCDF_LIB_NAME "" CACHE STRING "Default name of the netcdf library.")
SET(TEMP_LARGE "." CACHE STRING "Where to put large temp files if large file tests are run.")
SET(NCPROPERTIES_EXTRA "" CACHE STRING "Specify extra pairs for _NCProperties.")
IF(NOT NETCDF_LIB_NAME STREQUAL "")
SET(MOD_NETCDF_NAME ON)
ENDIF()
# Set the appropriate compiler/architecture for universal OSX binaries.
IF(${CMAKE_SYSTEM_NAME} EQUAL "Darwin")
SET(CMAKE_OSX_ARCHITECTURES i386;x86_64)
ENDIF(${CMAKE_SYSTEM_NAME} EQUAL "Darwin")
# Macro for replacing '/MD' with '/MT'.
# Used only on Windows, /MD tells VS to use the shared
# CRT libs, MT tells VS to use the static CRT libs.
#
# Taken From:
# http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_build_my_MSVC_application_with_a_static_runtime.3F
#
MACRO(specify_static_crt_flag)
SET(vars
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELWITHDEBINFO)
FOREACH(flag_var ${vars})
IF(${flag_var} MATCHES "/MD")
STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
ENDIF()
ENDFOREACH()
FOREACH(flag_var ${vars})
MESSAGE(STATUS " '${flag_var}': ${${flag_var}}")
ENDFOREACH()
MESSAGE(STATUS "")
ENDMACRO()
# Option to use Static Runtimes in MSVC
IF(MSVC)
OPTION(NC_USE_STATIC_CRT "Use static CRT Libraries ('\\MT')." OFF)
IF(NC_USE_STATIC_CRT)
SET(USE_STATIC_CRT ON)
specify_static_crt_flag()
ENDIF()
ENDIF()
# Option to build netCDF Version 2
OPTION (ENABLE_V2_API "Build netCDF Version 2." ON)
SET(BUILD_V2 ${ENABLE_V2_API})
IF(NOT ENABLE_V2_API)
SET(NO_NETCDF_2 ON)
ELSE(NOT ENABLE_V2_API)
SET(USE_NETCDF_2 TRUE)
ENDIF(NOT ENABLE_V2_API)
# Option to build utilities
OPTION(BUILD_UTILITIES "Build ncgen, ncgen3, ncdump." ON)
# Option to use MMAP
OPTION(ENABLE_MMAP "Use MMAP." ON)
# Option to use examples.
OPTION(ENABLE_EXAMPLES "Build Examples" ON)
# Option to automatically build netcdf-fortran.
IF(NOT MSVC)
OPTION(ENABLE_REMOTE_FORTRAN_BOOTSTRAP "Download and build netcdf-fortran automatically (EXPERIMENTAL)." OFF)
IF(ENABLE_REMOTE_FORTRAN_BOOTSTRAP)
SET(BUILD_FORTRAN ON)
ENDIF()
IF(BUILD_FORTRAN)
CONFIGURE_FILE("${CMAKE_SOURCE_DIR}/postinstall.sh.in"
"${CMAKE_BINARY_DIR}/postinstall.sh"
@ONLY)
ADD_CUSTOM_TARGET(build-netcdf-fortran
COMMAND sh -c "${CMAKE_BINARY_DIR}/postinstall.sh -t cmake -a build"
DEPENDS netcdf
)
ADD_CUSTOM_TARGET(install-netcdf-fortran
COMMAND sh -c "${CMAKE_BINARY_DIR}/postinstall.sh -t cmake -a install"
DEPENDS build-netcdf-fortran
)
ENDIF(BUILD_FORTRAN)
ENDIF()
###
# 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(${${_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("Extra deps: ${EXTRA_DEPS}")
LIST(REMOVE_DUPLICATES EXTRA_DEPS)
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${EXTRA_DEPS})
ENDIF()
###
# End user-specified dependent libraries.
###
################################
# Format Option checks
################################
# We need to now treat enable-netcdf4 and enable-hdf5 as separate,
# but for back compatability, we need to treat enable-netcdf4
# as equivalent to enable-hdf5.
# We detect this using these rules:
# 1. if ENABLE_HDF5 is off then disable hdf5
# 2. if ENABLE_NETCDF4 is off then disable hdf5
# 3. else enable hdf5
OPTION(ENABLE_NETCDF_4 "Use HDF5." ON)
OPTION(ENABLE_NETCDF4 "Use HDF5." ON)
OPTION(ENABLE_HDF5 "Use HDF5." ON)
IF(NOT ENABLE_HDF5 OR NOT ENABLE_NETCDF4 OR NOT ENABLE_NETCDF_4)
SET(ENABLE_HDF5 OFF CACHE BOOL "Use HDF5" FORCE)
ENDIF()
OPTION(ENABLE_HDF4 "Build netCDF-4 with HDF4 read capability(HDF4, HDF5 and Zlib required)." OFF)
OPTION(ENABLE_DAP "Enable DAP2 and DAP4 Client." ON)
OPTION(ENABLE_NCZARR "Enable NCZarr Client." ON)
OPTION(ENABLE_PNETCDF "Build with parallel I/O for CDF-1, 2, and 5 files using PnetCDF." OFF)
SET(ENABLE_CDF5 AUTO CACHE STRING "AUTO")
OPTION(ENABLE_CDF5 "Enable CDF5 support" ON)
# Netcdf-4 support (i.e. libsrc4) is required by more than just HDF5 (e.g. NCZarr)
# So depending on what above formats are enabled, enable netcdf-4
if(ENABLE_HDF5 OR ENABLE_HDF4 OR ENABLE_NCZARR)
SET(ENABLE_NETCDF_4 ON CACHE BOOL "Enable netCDF-4 API" FORCE)
SET(ENABLE_NETCDF4 ON CACHE BOOL "Enable netCDF4 Alias" FORCE)
endif()
IF(ENABLE_HDF4)
SET(USE_HDF4 ON)
# Check for include files, libraries.
FIND_PATH(MFHDF_H_INCLUDE_DIR mfhdf.h)
IF(NOT MFHDF_H_INCLUDE_DIR)
MESSAGE(FATAL_ERROR "HDF4 Support specified, cannot find file mfhdf.h")
ELSE()
INCLUDE_DIRECTORIES(${MFHDF_H_INCLUDE_DIR})
ENDIF()
FIND_LIBRARY(HDF4_DF_LIB NAMES df libdf hdf)
IF(NOT HDF4_DF_LIB)
MESSAGE(FATAL_ERROR "Can't find or link to the hdf4 df library.")
ENDIF()
FIND_LIBRARY(HDF4_MFHDF_LIB NAMES mfhdf libmfhdf)
IF(NOT HDF4_MFHDF_LIB)
MESSAGE(FATAL_ERROR "Can't find or link to the hdf4 mfhdf library.")
ENDIF()
SET(HAVE_LIBMFHDF TRUE)
SET(HDF4_LIBRARIES ${HDF4_DF_LIB} ${HDF4_MFHDF_LIB})
# End include files, libraries.
MESSAGE(STATUS "HDF4 libraries: ${HDF4_DF_LIB}, ${HDF4_MFHDF_LIB}")
MESSAGE(STATUS "Seeking HDF4 jpeg dependency.")
# Look for the jpeglib.h header file.
FIND_PATH(JPEGLIB_H_INCLUDE_DIR jpeglib.h)
IF(NOT JPEGLIB_H_INCLUDE_DIR)
MESSAGE(FATAL_ERROR "HDF4 Support enabled but cannot find jpeglib.h")
ELSE()
SET(HAVE_JPEGLIB_H ON CACHE BOOL "")
SET(HAVE_LIBJPEG TRUE)
INCLUDE_DIRECTORIES(${JPEGLIB_H_INCLUDE_DIR})
ENDIF()
FIND_LIBRARY(JPEG_LIB NAMES jpeg libjpeg)
IF(NOT JPEG_LIB)
MESSAGE(FATAL_ERROR "HDF4 Support enabled but cannot find libjpeg")
ENDIF()
SET(HDF4_LIBRARIES ${JPEG_LIB} ${HDF4_LIBRARIES})
MESSAGE(STATUS "Found JPEG libraries: ${JPEG_LIB}")
# Option to enable HDF4 file tests.
OPTION(ENABLE_HDF4_FILE_TESTS "Run HDF4 file tests. This fetches sample HDF4 files from the Unidata ftp site to test with (requires curl)." ON)
IF(ENABLE_HDF4_FILE_TESTS)
FIND_PROGRAM(PROG_CURL NAMES curl)
IF(PROG_CURL)
SET(USE_HDF4_FILE_TESTS ON)
ELSE()
MESSAGE(STATUS "Unable to locate 'curl'. Disabling hdf4 file tests.")
SET(USE_HDF4_FILE_TESTS OFF)
ENDIF()
ENDIF()
ENDIF()
# Option to Build DLL
IF(WIN32)
OPTION(ENABLE_DLL "Build a Windows DLL." ${BUILD_SHARED_LIBS})
IF(ENABLE_DLL)
SET(BUILD_DLL ON CACHE BOOL "")
ADD_DEFINITIONS(-DDLL_NETCDF)
ADD_DEFINITIONS(-DDLL_EXPORT)
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(ENABLE_NETCDF_4)
SET(USE_NETCDF4 ON CACHE BOOL "")
SET(ENABLE_NETCDF_4 ON CACHE BOOL "")
SET(ENABLE_NETCDF4 ON CACHE BOOL "")
ELSE()
SET(USE_HDF4_FILE_TESTS OFF)
SET(USE_HDF4 OFF)
SET(ENABLE_HDF4_FILE_TESTS OFF)
SET(ENABLE_HDF4 OFF)
ENDIF()
# Option Logging, only valid for netcdf4.
OPTION(ENABLE_LOGGING "Enable Logging." OFF)
IF(NOT ENABLE_NETCDF_4)
SET(ENABLE_LOGGING OFF)
ENDIF()
IF(ENABLE_LOGGING)
ADD_DEFINITIONS(-DLOGGING)
ADD_DEFINITIONS(-DENABLE_SET_LOG_LEVEL)
SET(LOGGING ON)
SET(ENABLE_SET_LOG_LEVEL ON)
ENDIF()
OPTION(ENABLE_SET_LOG_LEVEL_FUNC "Enable definition of nc_set_log_level()." ON)
IF(ENABLE_NETCDF_4 AND NOT ENABLE_LOGGING AND ENABLE_SET_LOG_LEVEL_FUNC)
ADD_DEFINITIONS(-DENABLE_SET_LOG_LEVEL)
SET(ENABLE_SET_LOG_LEVEL ON)
ENDIF()
# This has multiversion capability
SET(ENABLE_MULTIFILTERS yes CACHE BOOL "")
# Option to allow for strict null file padding.
# See https://github.com/Unidata/netcdf-c/issues/657 for more information
OPTION(ENABLE_STRICT_NULL_BYTE_HEADER_PADDING "Enable strict null byte header padding." OFF)
IF(ENABLE_STRICT_NULL_BYTE_HEADER_PADDING)
SET(USE_STRICT_NULL_BYTE_HEADER_PADDING ON CACHE BOOL "")
ENDIF(ENABLE_STRICT_NULL_BYTE_HEADER_PADDING)
# Option for building RPC
#OPTION(ENABLE_RPC "Enable RPC Client and Server." OFF)
#IF(ENABLE_RPC)
# SET(BUILD_RPC ON CACHE BOOL "")
#ENDIF()
# 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
##
# Option to Enable HDF5
#
# The HDF5 cmake variables differ between platform (linux/osx and Windows),
# as well as between HDF5 versions. As a result, this section is a bit convoluted.
#
# Note that the behavior seems much more stable across HDF5 versions under linux,
# so we do not have to do as much version-based tweaking.
#
# At the end of it, we should have the following defined:
#
# * HDF5_C_LIBRARY
# * HDF5_HL_LIBRARY
# * HDF5_LIBRARIES
# * HDF5_INCLUDE_DIR
# *
##
SET(USE_HDF5 ${ENABLE_HDF5})
IF(USE_HDF5)
##
# Assert HDF5 version meets minimum required version.
##
SET(HDF5_VERSION_REQUIRED 1.8.10)
##
# Accommodate developers who have hdf5 libraries and
# headers on their system, but do not have a the hdf
# .cmake files. If this is the case, they should
# specify HDF5_HL_LIBRARY, HDF5_LIBRARY, HDF5_INCLUDE_DIR manually.
#
# This script will attempt to determine the version of the HDF5 library programatically.
##
IF(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR)
SET(HDF5_LIBRARIES ${HDF5_C_LIBRARY} ${HDF5_HL_LIBRARY})
SET(HDF5_C_LIBRARIES ${HDF5_C_LIBRARY})
SET(HDF5_C_LIBRARY_hdf5 ${HDF5_C_LIBRARY})
SET(HDF5_HL_LIBRARIES ${HDF5_HL_LIBRARY})
INCLUDE_DIRECTORIES(${HDF5_INCLUDE_DIR})
MESSAGE(STATUS "Using HDF5 C Library: ${HDF5_C_LIBRARY}")
MESSAGE(STATUS "Using HDF5 HL LIbrary: ${HDF5_HL_LIBRARY}")
if (EXISTS "${HDF5_INCLUDE_DIR}/H5pubconf.h")
file(READ "${HDF5_INCLUDE_DIR}/H5pubconf.h" _hdf5_version_lines
REGEX "#define[ \t]+H5_VERSION")
string(REGEX REPLACE ".*H5_VERSION .*\"\(.*\)\".*" "\\1" _hdf5_version "${_hdf5_version_lines}")
set(HDF5_VERSION "${_hdf5_version}" CACHE STRING "")
unset(_hdf5_version)
unset(_hdf5_version_lines)
endif ()
MESSAGE(STATUS "Found HDF5 libraries version ${HDF5_VERSION}")
###
# If HDF5_VERSION is still empty, we have a problem.
# Error out.
###
IF("${HDF5_VERSION}" STREQUAL "")
MESSAGE(FATAL_ERR "Unable to determine HDF5 version. NetCDF requires at least version ${HDF5_VERSION_REQUIRED}. Please ensure that libhdf5 is installed and accessible.")
ENDIF()
###
# Now that we know HDF5_VERSION isn't empty, we can check for minimum required version,
# and toggle various options.
###
IF(${HDF5_VERSION} VERSION_LESS ${HDF5_VERSION_REQUIRED})
MESSAGE(FATAL_ERROR "netCDF requires at least HDF5 ${HDF5_VERSION_REQUIRED}. Found ${HDF5_VERSION}.")
ENDIF()
ELSE(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR) # We are seeking out HDF5 with Find Package.
###
# For now we assume that if we are building netcdf
# as a shared library, we will use hdf5 as a shared
# library. If we are building netcdf statically,
# we will use a static library. This can be toggled
# by explicitly modifying NC_FIND_SHARED_LIBS.
##
IF(NC_FIND_SHARED_LIBS)
SET(NC_HDF5_LINK_TYPE "shared")
SET(NC_HDF5_LINK_TYPE_UPPER "SHARED")
ADD_DEFINITIONS(-DH5_BUILT_AS_DYNAMIC_LIB)
ELSE(NC_FIND_SHARED_LIBS)
SET(NC_HDF5_LINK_TYPE "static")
SET(NC_HDF5_LINK_TYPE_UPPER "STATIC")
ADD_DEFINITIONS(-DH5_BUILT_AS_STATIC_LIB)
ENDIF(NC_FIND_SHARED_LIBS)
#####
# First, find the C and HL libraries.
#
# This has been updated to reflect what is in the hdf5
# examples, even though the previous version of what we
# had worked.
#####
IF(MSVC)
SET(SEARCH_PACKAGE_NAME ${HDF5_PACKAGE_NAME})
FIND_PACKAGE(HDF5 NAMES ${SEARCH_PACKAGE_NAME} COMPONENTS C HL CONFIG REQUIRED ${NC_HDF5_LINK_TYPE})
ELSE(MSVC)
FIND_PACKAGE(HDF5 COMPONENTS C HL REQUIRED)
ENDIF(MSVC)
##
# Next, check the HDF5 version. This will inform which
# HDF5 variables we need to munge.
##
# Some versions of HDF5 set HDF5_VERSION_STRING instead of HDF5_VERSION
IF(HDF5_VERSION_STRING AND NOT HDF5_VERSION)
SET(HDF5_VERSION ${HDF5_VERSION_STRING})
ENDIF()
###
# If HDF5_VERSION is undefined, attempt to determine it programatically.
###
IF("${HDF5_VERSION}" STREQUAL "")
MESSAGE(STATUS "HDF5_VERSION not detected. Attempting to determine programatically.")
IF (EXISTS "${HDF5_INCLUDE_DIR}/H5pubconf.h")
file(READ "${HDF5_INCLUDE_DIR}/H5pubconf.h" _hdf5_version_lines
REGEX "#define[ \t]+H5_VERSION")
string(REGEX REPLACE ".*H5_VERSION .*\"\(.*\)\".*" "\\1" _hdf5_version "${_hdf5_version_lines}")
set(HDF5_VERSION "${_hdf5_version}" CACHE STRING "")
unset(_hdf5_version)
unset(_hdf5_version_lines)
MESSAGE(STATUS "Found HDF5 libraries version ${HDF5_VERSION}")
ENDIF()
ELSE()
SET(HDF5_VERSION ${HDF5_VERSION} CACHE STRING "")
ENDIF()
###
# If HDF5_VERSION is still empty, we have a problem.
# Error out.
###
IF("${HDF5_VERSION}" STREQUAL "")
MESSAGE(FATAL_ERR "Unable to determine HDF5 version. NetCDF requires at least version ${HDF5_VERSION_REQUIRED}. Please ensure that libhdf5 is installed and accessible.")
ENDIF()
###
# Now that we know HDF5_VERSION isn't empty, we can check for minimum required version,
# and toggle various options.
###
IF(${HDF5_VERSION} VERSION_LESS ${HDF5_VERSION_REQUIRED})
MESSAGE(FATAL_ERROR "netCDF requires at least HDF5 ${HDF5_VERSION_REQUIRED}. Found ${HDF5_VERSION}.")
ENDIF()
##
# Include the HDF5 include directory.
##
IF(HDF5_INCLUDE_DIRS AND NOT HDF5_INCLUDE_DIR)
SET(HDF5_INCLUDE_DIR ${HDF5_INCLUDE_DIRS})
ENDIF()
MESSAGE(STATUS "Using HDF5 include dir: ${HDF5_INCLUDE_DIR}")
INCLUDE_DIRECTORIES(${HDF5_INCLUDE_DIR})
###
# This is the block where we figure out what the appropriate
# variables are, and we ensure that we end up with
# HDF5_C_LIBRARY, HDF5_HL_LIBRARY and HDF5_LIBRARIES.
###
IF(MSVC)
####
# Environmental variables in Windows when using MSVC
# are a hot mess between versions.
####
##
# HDF5 1.8.15 defined HDF5_LIBRARIES.
##
IF(${HDF5_VERSION} VERSION_LESS "1.8.16")
SET(HDF5_C_LIBRARY hdf5)
SET(HDF5_C_LIBRARY_hdf5 hdf5)
ENDIF(${HDF5_VERSION} VERSION_LESS "1.8.16")
IF(${HDF5_VERSION} VERSION_GREATER "1.8.15")
IF(NOT HDF5_LIBRARIES AND HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY AND HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY)
SET(HDF5_C_LIBRARY ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY})
SET(HDF5_C_LIBRARY_hdf5 ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY})
SET(HDF5_HL_LIBRARY ${HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY})
SET(HDF5_LIBRARIES ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} ${HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY})
ENDIF()
ENDIF(${HDF5_VERSION} VERSION_GREATER "1.8.15")
ELSE(MSVC)
# Depending on the install, either HDF5_hdf_library or
# HDF5_C_LIBRARIES may be defined. We must check for either.
IF(HDF5_C_LIBRARIES AND NOT HDF5_hdf5_LIBRARY)
SET(HDF5_hdf5_LIBRARY ${HDF5_C_LIBRARIES})
ENDIF()
# Some versions of FIND_PACKAGE set HDF5_C_LIBRARIES, but not HDF5_C_LIBRARY
# We use HDF5_C_LIBRARY below, so need to make sure it is set.
IF(HDF5_C_LIBRARIES AND NOT HDF5_C_LIBRARY)
SET(HDF5_C_LIBRARY ${HDF5_C_LIBRARIES})
ENDIF()
# Same issue as above...
IF(HDF5_HL_LIBRARIES AND NOT HDF5_HL_LIBRARY)
SET(HDF5_HL_LIBRARY ${HDF5_HL_LIBRARIES})
ENDIF()
ENDIF(MSVC)
IF(NOT HDF5_C_LIBRARY)
SET(HDF5_C_LIBRARY hdf5)
ENDIF()
ENDIF(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR)
FIND_PACKAGE(Threads)
# There is a missing case in the above code so default it
IF(NOT HDF5_C_LIBRARY_hdf5 OR "${HDF5_C_LIBRARY_hdf5}" STREQUAL "" )
SET(HDF5_C_LIBRARY_hdf5 "${HDF5_C_LIBRARY}")
ENDIF()
FIND_PATH(HAVE_HDF5_H hdf5.h PATHS ${HDF5_INCLUDE_DIR} NO_DEFAULT_PATH)
IF(NOT HAVE_HDF5_H)
MESSAGE(FATAL_ERROR "Compiling a test with hdf5 failed. Either hdf5.h cannot be found, or the log messages should be checked for another reason.")
ELSE(NOT HAVE_HDF5_H)
INCLUDE_DIRECTORIES(${HAVE_HDF5_H})
ENDIF(NOT HAVE_HDF5_H)
set (CMAKE_REQUIRED_INCLUDES ${HDF5_INCLUDE_DIR})
# Check to ensure that HDF5 was built with zlib.
# This needs to be near the beginning since we
# need to know whether to add "-lz" to the symbol
# tests below.
CHECK_C_SOURCE_COMPILES("#include <H5public.h>
#if !H5_HAVE_ZLIB_H
#error
#endif
int main() {
int x = 1;}" HAVE_HDF5_ZLIB)
IF(NOT HAVE_HDF5_ZLIB)
MESSAGE(FATAL_ERROR "HDF5 was built without zlib. Rebuild HDF5 with zlib.")
ELSE()
# If user has specified the `ZLIB_LIBRARY`, use it; otherwise try to find...
IF(NOT ZLIB_LIBRARY)
find_package(ZLIB)
IF(ZLIB_FOUND)
SET(ZLIB_LIBRARY ${ZLIB_LIBRARIES})
ELSE()
MESSAGE(FATAL_ERROR "HDF5 Requires ZLIB, but cannot find libz.")
ENDIF()
ENDIF()
SET(CMAKE_REQUIRED_LIBRARIES ${ZLIB_LIBRARY} ${CMAKE_REQUIRED_LIBRARIES})
MESSAGE(STATUS "HDF5 has zlib.")
ENDIF()
#Check to see if H5Z_SZIP exists in HDF5_Libraries. If so, we must use szip library.
CHECK_C_SOURCE_COMPILES("#include <H5public.h>
#if !H5_HAVE_FILTER_SZIP
#error
#endif
int main() {
int x = 1;}" USE_HDF5_SZIP)
IF(USE_HDF5_SZIP)
SET(HAVE_H5Z_SZIP yes)
ENDIF()
####
# Check to see if HDF5 library is 1.10.6 or greater.
# Used to control path name conversion
####
IF(${HDF5_VERSION} VERSION_GREATER "1.10.5")
SET(HDF5_UTF8_PATHS ON)
ELSE()
SET(HDF5_UTF8_PATHS OFF)
ENDIF()
MESSAGE("-- HDF5_UTF8_PATHS (HDF5 version 1.10.6+): ${HDF5_UTF8_PATHS}")
# Find out if HDF5 was built with parallel support.
# Do that by checking for the targets H5Pget_fapl_mpiposx and
# H5Pget_fapl_mpio in ${HDF5_LIB}.
# H5Pset_fapl_mpiposix and H5Pget_fapl_mpiposix have been removed since HDF5 1.8.12.
# Use H5Pset_fapl_mpio and H5Pget_fapl_mpio, instead.
# CHECK_LIBRARY_EXISTS(${HDF5_C_LIBRARY_hdf5} H5Pget_fapl_mpiposix "" HDF5_IS_PARALLEL_MPIPOSIX)
CHECK_LIBRARY_EXISTS(${HDF5_C_LIBRARY_hdf5} H5Pget_fapl_mpio "" HDF5_IS_PARALLEL_MPIO)
IF(HDF5_IS_PARALLEL_MPIO)
SET(HDF5_PARALLEL ON)
ELSE()
SET(HDF5_PARALLEL OFF)
ENDIF()
#Check to see if HDF5 library has collective metadata APIs, (HDF5 >= 1.10.0)
CHECK_LIBRARY_EXISTS(${HDF5_C_LIBRARY_hdf5} H5Pset_all_coll_metadata_ops "" HDF5_HAS_COLL_METADATA_OPS)
IF(HDF5_PARALLEL)
SET(HDF5_CC h5pcc)
ELSE()
SET(HDF5_CC h5cc)
ENDIF()
# Check to see if H5Dread_chunk is available
CHECK_LIBRARY_EXISTS(${HDF5_C_LIBRARY_hdf5} H5Dread_chunk "" HAS_READCHUNKS)
# Check to see if H5Pset_fapl_ros3 is available
CHECK_LIBRARY_EXISTS(${HDF5_C_LIBRARY_hdf5} H5Pset_fapl_ros3 "" HAS_HDF5_ROS3)
# Check to see if this is hdf5-1.10.3 or later.
IF(HAS_READCHUNKS)
SET(HDF5_SUPPORTS_PAR_FILTERS ON)
SET(ENABLE_NCDUMPCHUNKS ON)
ENDIF()
# Record if ROS3 Driver is available
IF(HAS_HDF5_ROS3)
SET(ENABLE_HDF5_ROS3 ON)
ENDIF()
IF (HDF5_SUPPORTS_PAR_FILTERS)
SET(HDF5_HAS_PAR_FILTERS TRUE CACHE BOOL "")
SET(HAS_PAR_FILTERS yes CACHE STRING "")
ELSE()
SET(HDF5_HAS_PAR_FILTERS FALSE CACHE BOOL "")
SET(HAS_PAR_FILTERS no CACHE STRING "")
ENDIF()
FIND_PATH(HAVE_HDF5_H hdf5.h PATHS ${HDF5_INCLUDE_DIR} NO_DEFAULT_PATH)
IF(NOT HAVE_HDF5_H)
MESSAGE(FATAL_ERROR "Compiling a test with hdf5 failed. Either hdf5.h cannot be found, or the log messages should be checked for another reason.")
ELSE(NOT HAVE_HDF5_H)
INCLUDE_DIRECTORIES(${HAVE_HDF5_H})
ENDIF(NOT HAVE_HDF5_H)
#option to include HDF5 High Level header file (hdf5_hl.h) in case we are not doing a make install
INCLUDE_DIRECTORIES(${HDF5_HL_INCLUDE_DIR})
ENDIF(USE_HDF5)
# See if we have libcurl
FIND_PACKAGE(CURL)
ADD_DEFINITIONS(-DCURL_STATICLIB=1)
INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
# Define a test flag for have curl library
IF(CURL_LIBRARIES OR CURL_LIBRARY)
SET(FOUND_CURL TRUE)
ELSE()
SET(FOUND_CURL FALSE)
ENDIF()
set (CMAKE_REQUIRED_INCLUDES ${CURL_INCLUDE_DIRS})
# Check to see if we have libcurl 7.66 or later
CHECK_C_SOURCE_COMPILES("