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CMake: Rely on CMake-bundled FindHDF5
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Peter Hill
parent
9bbdd4cd7b
commit
18bd56d94b
@ -109,152 +109,39 @@ if(USE_HDF5)
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##
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set(HDF5_VERSION_REQUIRED 1.8.10)
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###
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# For now we assume that if we are building netcdf
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# as a shared library, we will use hdf5 as a shared
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# library. If we are building netcdf statically,
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# we will use a static library. This can be toggled
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# by explicitly modifying NC_FIND_SHARED_LIBS.
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##
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# Accommodate developers who have hdf5 libraries and
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# headers on their system, but do not have a the hdf
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# .cmake files. If this is the case, they should
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# specify HDF5_HL_LIBRARY, HDF5_LIBRARY, HDF5_INCLUDE_DIR manually.
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#
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# This script will attempt to determine the version of the HDF5 library programatically.
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##
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if(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR)
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set(HDF5_LIBRARIES ${HDF5_C_LIBRARY} ${HDF5_HL_LIBRARY} )
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set(HDF5_C_LIBRARIES ${HDF5_C_LIBRARY} )
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set(HDF5_C_LIBRARY_hdf5 ${HDF5_C_LIBRARY} )
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set(HDF5_HL_LIBRARIES ${HDF5_HL_LIBRARY} )
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target_include_directories(netcdf
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PRIVATE
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${HDF5_INCLUDE_DIR}
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)
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message(STATUS "Using HDF5 C Library: ${HDF5_C_LIBRARY}")
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message(STATUS "Using HDF5 HL LIbrary: ${HDF5_HL_LIBRARY}")
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if (EXISTS "${HDF5_INCLUDE_DIR}/H5pubconf.h")
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file(READ "${HDF5_INCLUDE_DIR}/H5pubconf.h" _hdf5_version_lines
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REGEX "#define[ \t]+H5_VERSION")
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string(REGEX REPLACE ".*H5_VERSION .*\"\(.*\)\".*" "\\1" _hdf5_version "${_hdf5_version_lines}")
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set(HDF5_VERSION "${_hdf5_version}" CACHE STRING "")
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set(HDF5_VERSION ${HDF5_VERSION} PARENT_SCOPE)
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unset(_hdf5_version)
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unset(_hdf5_version_lines)
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endif ()
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message(STATUS "Found HDF5 libraries version ${HDF5_VERSION}")
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###
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# If HDF5_VERSION is still empty, we have a problem.
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# Error out.
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###
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if("${HDF5_VERSION}" STREQUAL "")
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message(FATAL_ERR "Unable to determine HDF5 version. NetCDF requires at least version ${HDF5_VERSION_REQUIRED}. Please ensure that libhdf5 is installed and accessible.")
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endif()
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if(NC_FIND_SHARED_LIBS)
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set(HDF5_USE_STATIC_LIBRARIES OFF)
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else(NC_FIND_SHARED_LIBS)
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set(HDF5_USE_STATIC_LIBRARIES ON)
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endif(NC_FIND_SHARED_LIBS)
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###
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# Now that we know HDF5_VERSION isn't empty, we can check for minimum required version,
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# and toggle various options.
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###
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if(${HDF5_VERSION} VERSION_LESS ${HDF5_VERSION_REQUIRED})
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message(FATAL_ERROR "netCDF requires at least HDF5 ${HDF5_VERSION_REQUIRED}. Found ${HDF5_VERSION}.")
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endif()
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#####
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# First, find the C and HL libraries.
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#####
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find_package(HDF5 ${HDF5_VERSION_REQUIRED} COMPONENTS C HL REQUIRED)
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else(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR) # We are seeking out HDF5 with Find Package.
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###
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# For now we assume that if we are building netcdf
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# as a shared library, we will use hdf5 as a shared
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# library. If we are building netcdf statically,
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# we will use a static library. This can be toggled
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# by explicitly modifying NC_FIND_SHARED_LIBS.
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##
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if(NC_FIND_SHARED_LIBS)
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set(HDF5_USE_STATIC_LIBRARIES OFF)
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else(NC_FIND_SHARED_LIBS)
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set(HDF5_USE_STATIC_LIBRARIES ON)
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endif(NC_FIND_SHARED_LIBS)
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#####
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# First, find the C and HL libraries.
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#####
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find_package(HDF5 ${HDF5_VERSION_REQUIRED} COMPONENTS C HL REQUIRED)
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##
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# Include the HDF5 include directory.
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##
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if(HDF5_INCLUDE_DIRS AND NOT HDF5_INCLUDE_DIR)
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set(HDF5_INCLUDE_DIR ${HDF5_INCLUDE_DIRS} )
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endif()
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message(STATUS "Using HDF5 include dir: ${HDF5_INCLUDE_DIR}")
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target_include_directories(netcdf
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PRIVATE
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${HDF5_INCLUDE_DIR}
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)
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###
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# This is the block where we figure out what the appropriate
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# variables are, and we ensure that we end up with
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# HDF5_C_LIBRARY, HDF5_HL_LIBRARY and HDF5_LIBRARIES.
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###
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if(MSVC)
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####
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# Environmental variables in Windows when using MSVC
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# are a hot mess between versions.
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####
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##
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# HDF5 1.8.15 defined HDF5_LIBRARIES.
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##
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if(${HDF5_VERSION} VERSION_LESS "1.8.16")
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set(HDF5_C_LIBRARY hdf5 )
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set(HDF5_C_LIBRARY_hdf5 hdf5 )
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endif(${HDF5_VERSION} VERSION_LESS "1.8.16")
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if(${HDF5_VERSION} VERSION_GREATER "1.8.15")
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if(NOT HDF5_LIBRARIES AND HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY AND HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY)
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set(HDF5_C_LIBRARY ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} )
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set(HDF5_C_LIBRARY_hdf5 ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} )
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set(HDF5_HL_LIBRARY ${HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} )
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set(HDF5_LIBRARIES ${HDF5_C_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} ${HDF5_HL_${NC_HDF5_LINK_TYPE_UPPER}_LIBRARY} )
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endif()
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endif(${HDF5_VERSION} VERSION_GREATER "1.8.15")
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else(MSVC)
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# Depending on the install, either HDF5_hdf_library or
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# HDF5_C_LIBRARIES may be defined. We must check for either.
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if(HDF5_C_LIBRARIES AND NOT HDF5_hdf5_LIBRARY)
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set(HDF5_hdf5_LIBRARY ${HDF5_C_LIBRARIES} )
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endif()
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# Some versions of find_package set HDF5_C_LIBRARIES, but not HDF5_C_LIBRARY
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# We use HDF5_C_LIBRARY below, so need to make sure it is set.
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if(HDF5_C_LIBRARIES AND NOT HDF5_C_LIBRARY)
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set(HDF5_C_LIBRARY ${HDF5_C_LIBRARIES} )
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endif()
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# Same issue as above...
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if(HDF5_HL_LIBRARIES AND NOT HDF5_HL_LIBRARY)
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set(HDF5_HL_LIBRARY ${HDF5_HL_LIBRARIES} )
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endif()
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endif(MSVC)
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if(NOT HDF5_C_LIBRARY)
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set(HDF5_C_LIBRARY hdf5 )
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endif()
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endif(HDF5_C_LIBRARY AND HDF5_HL_LIBRARY AND HDF5_INCLUDE_DIR)
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message(STATUS "Using HDF5 include dir: ${HDF5_INCLUDE_DIRS}")
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target_include_directories(netcdf
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PRIVATE
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${HDF5_INCLUDE_DIRS}
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)
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find_package(Threads)
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# There is a missing case in the above code so default it
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if(NOT HDF5_C_LIBRARY_hdf5 OR "${HDF5_C_LIBRARY_hdf5}" STREQUAL "" )
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set(HDF5_C_LIBRARY_hdf5 "${HDF5_C_LIBRARY}" )
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endif()
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include(cmake/check_hdf5.cmake)
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set (CMAKE_REQUIRED_INCLUDES ${HDF5_INCLUDE_DIRS})
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# Check to ensure that HDF5 was built with zlib.
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# This needs to be near the beginning since we
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# need to know whether to add "-lz" to the symbol
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# tests below.
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include(check_hdf5)
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check_hdf5_feature(HAVE_HDF5_ZLIB H5_HAVE_ZLIB_H)
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if(NOT HAVE_HDF5_ZLIB)
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message(FATAL_ERROR "HDF5 was built without zlib. Rebuild HDF5 with zlib.")
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@ -287,19 +174,22 @@ if(USE_HDF5)
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set(HDF5_UTF8_PATHS OFF )
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endif()
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message("-- HDF5_UTF8_PATHS (HDF5 version 1.10.6+): ${HDF5_UTF8_PATHS}")
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message(STATUS "-- HDF5_UTF8_PATHS (HDF5 version 1.10.6+): ${HDF5_UTF8_PATHS}")
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# Find out if HDF5 was built with parallel support.
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set(HDF5_PARALLEL ${HDF5_IS_PARALLEL})
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set(CMAKE_REQUIRED_LIBRARIES HDF5::HDF5)
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include(CheckSymbolExists)
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#Check to see if HDF5 library has collective metadata APIs, (HDF5 >= 1.10.0)
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check_library_exists(${HDF5_C_LIBRARY_hdf5} H5Pset_all_coll_metadata_ops "" HDF5_HAS_COLL_METADATA_OPS)
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check_symbol_exists(H5Pset_all_coll_metadata_ops "hdf5.h" HDF5_HAS_COLL_METADATA_OPS)
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# Check to see if H5Dread_chunk is available
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check_library_exists(${HDF5_C_LIBRARY_hdf5} H5Dread_chunk "" HAS_READCHUNKS)
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check_symbol_exists(H5Dread_chunk "hdf5.h" HAS_READCHUNKS)
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# Check to see if H5Pset_fapl_ros3 is available
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check_library_exists(${HDF5_C_LIBRARY_hdf5} H5Pset_fapl_ros3 "" HAS_HDF5_ROS3)
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check_symbol_exists(H5Pset_fapl_ros3 "hdf5.h" HAS_HDF5_ROS3)
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# Check to see if this is hdf5-1.10.3 or later.
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if(HAS_READCHUNKS)
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