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CMakeFilters.cmake
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CMakeFilters.cmake
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#
# Copyright by The HDF Group.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the LICENSE file, which can be found at the root of the source code
# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#
option (HDF5_USE_ZLIB_NG "Use zlib-ng library as zlib library" OFF)
option (HDF5_USE_ZLIB_STATIC "Find static zlib library" OFF)
option (HDF5_USE_LIBAEC_STATIC "Find static AEC library" OFF)
option (ZLIB_USE_EXTERNAL "Use External Library Building for ZLIB" OFF)
option (SZIP_USE_EXTERNAL "Use External Library Building for SZIP" OFF)
option (ZLIB_USE_LOCALCONTENT "Use local file for ZLIB FetchContent" OFF)
option (LIBAEC_USE_LOCALCONTENT "Use local file for LIBAEC FetchContent" OFF)
if (NOT ZLIB_USE_LOCALCONTENT)
if (HDF5_USE_ZLIB_NG)
set (ZLIB_URL ${ZLIBNG_TGZ_ORIGPATH}/${ZLIBNG_TGZ_NAME})
else ()
set (ZLIB_URL ${ZLIB_TGZ_ORIGPATH}/${ZLIB_TGZ_NAME})
endif ()
else ()
if (HDF5_USE_ZLIB_NG)
set (ZLIB_URL ${TGZPATH}/${ZLIBNG_TGZ_NAME})
else ()
set (ZLIB_URL ${TGZPATH}/${ZLIB_TGZ_NAME})
endif ()
endif ()
message (VERBOSE "Filter ZLIB file is ${ZLIB_URL}")
if (NOT LIBAEC_USE_LOCALCONTENT)
set (SZIP_URL ${LIBAEC_TGZ_ORIGPATH}/${LIBAEC_TGZ_NAME})
else ()
set (SZIP_URL ${TGZPATH}/${LIBAEC_TGZ_NAME})
endif ()
message (VERBOSE "Filter SZIP file is ${SZIP_URL}")
include (ExternalProject)
#option (HDF5_ALLOW_EXTERNAL_SUPPORT "Allow External Library Building (NO GIT TGZ)" "NO")
set (HDF5_ALLOW_EXTERNAL_SUPPORT "NO" CACHE STRING "Allow External Library Building (NO GIT TGZ)")
set_property (CACHE HDF5_ALLOW_EXTERNAL_SUPPORT PROPERTY STRINGS NO GIT TGZ)
if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
set (ZLIB_USE_EXTERNAL ON CACHE BOOL "Use External Library Building for ZLIB else search" FORCE)
set (SZIP_USE_EXTERNAL ON CACHE BOOL "Use External Library Building for SZIP else search" FORCE)
if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT")
set (ZLIB_URL ${ZLIB_GIT_URL} CACHE STRING "Path to zlib git repository")
set (ZLIB_BRANCH ${ZLIB_GIT_BRANCH})
set (SZIP_URL ${LIBAEC_GIT_URL} CACHE STRING "Path to szip git repository")
set (SZIP_BRANCH ${LIBAEC_GIT_BRANCH})
elseif (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
if (NOT TGZPATH)
set (TGZPATH ${HDF5_SOURCE_DIR})
endif ()
if (ZLIB_USE_LOCALCONTENT)
if (NOT EXISTS "${ZLIB_URL}")
set (HDF5_ENABLE_ZLIB_SUPPORT OFF CACHE BOOL "" FORCE)
message (VERBOSE "Filter ZLIB file ${ZLIB_URL} not found")
endif ()
endif ()
if (LIBAEC_USE_LOCALCONTENT)
if (NOT EXISTS "${SZIP_URL}")
set (HDF5_ENABLE_SZIP_SUPPORT OFF CACHE BOOL "" FORCE)
message (VERBOSE "Filter SZIP file ${SZIP_URL} not found")
endif ()
endif ()
else ()
set (HDF5_ENABLE_ZLIB_SUPPORT OFF CACHE BOOL "" FORCE)
set (ZLIB_USE_EXTERNAL OFF CACHE BOOL "Use External Library Building for ZLIB else search")
set (HDF5_ENABLE_SZIP_SUPPORT OFF CACHE BOOL "" FORCE)
set (SZIP_USE_EXTERNAL OFF CACHE BOOL "Use External Library Building for SZIP else search")
endif ()
endif ()
#-----------------------------------------------------------------------------
# Option for ZLib support
#-----------------------------------------------------------------------------
set(H5_ZLIB_FOUND FALSE)
if(NOT DEFINED ZLIB_PACKAGE_NAME)
set(ZLIB_PACKAGE_NAME "zlib")
endif ()
if(NOT DEFINED ZLIBNG_PACKAGE_NAME)
set(ZLIBNG_PACKAGE_NAME "zlib-ng")
endif ()
if (HDF5_ENABLE_ZLIB_SUPPORT)
if (NOT H5_ZLIB_HEADER)
if (NOT ZLIB_USE_EXTERNAL)
if (HDF5_USE_ZLIB_NG)
set (PACKAGE_NAME ${ZLIBNG_PACKAGE_NAME}${HDF_PACKAGE_EXT})
else ()
set (PACKAGE_NAME ${ZLIB_PACKAGE_NAME}${HDF_PACKAGE_EXT})
endif ()
set(ZLIB_FOUND FALSE)
if (HDF5_USE_ZLIB_STATIC)
set(ZLIB_SEARCH_TYPE static)
else ()
set(ZLIB_SEARCH_TYPE shared)
endif ()
# Search pure Config mode first
find_package (ZLIB NAMES ${PACKAGE_NAME} OPTIONAL_COMPONENTS ${ZLIB_SEARCH_TYPE})
if (NOT ZLIB_FOUND)
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
set(ZLIB_USE_STATIC_LIBS ${HDF5_USE_ZLIB_STATIC})
endif()
find_package (ZLIB) # Legacy find
endif ()
set(H5_ZLIB_FOUND ${ZLIB_FOUND})
if (H5_ZLIB_FOUND)
if (HDF5_USE_ZLIB_NG)
set (H5_ZLIB_HEADER "zlib-ng.h")
else ()
set (H5_ZLIB_HEADER "zlib.h")
endif ()
set (H5_ZLIB_INCLUDE_DIR_GEN ${ZLIB_INCLUDE_DIR})
set (H5_ZLIB_INCLUDE_DIRS ${H5_ZLIB_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR})
# The FindZLIB.cmake module does not set an OUTPUT_NAME
# on the target. The target returned is: ZLIB::ZLIB
get_filename_component (libname ${ZLIB_LIBRARIES} NAME_WLE)
string (REGEX REPLACE "^lib" "" libname ${libname})
set_target_properties (ZLIB::ZLIB PROPERTIES OUTPUT_NAME ${libname})
set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ZLIB::ZLIB)
endif ()
else ()
if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
EXTERNAL_ZLIB_LIBRARY (${HDF5_ALLOW_EXTERNAL_SUPPORT})
message (VERBOSE "Filter HDF5_ZLIB is built")
set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${H5_ZLIB_STATIC_LIBRARY})
endif ()
endif ()
else ()
# This project is being called from within another and ZLib is already configured
set(H5_ZLIB_FOUND TRUE)
endif ()
if (H5_ZLIB_FOUND)
set (H5_HAVE_FILTER_DEFLATE 1)
set (H5_HAVE_ZLIB_H 1)
if (HDF5_USE_ZLIB_NG)
set (H5_HAVE_ZLIBNG_H 1)
endif ()
set (H5_HAVE_LIBZ 1)
if (H5_HAVE_FILTER_DEFLATE)
set (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DEFLATE")
endif ()
set (HDF5_COMP_INCLUDE_DIRECTORIES "${HDF5_COMP_INCLUDE_DIRECTORIES};${H5_ZLIB_INCLUDE_DIRS}")
message (VERBOSE "Filter HDF5_ZLIB is ON")
else ()
set (HDF5_ENABLE_ZLIB_SUPPORT OFF CACHE BOOL "" FORCE)
message (FATAL_ERROR " ZLib support in HDF5 was enabled but not found")
endif ()
message (VERBOSE "H5_ZLIB_HEADER=${H5_ZLIB_HEADER}")
endif ()
#-----------------------------------------------------------------------------
# Option for SzLib support
#-----------------------------------------------------------------------------
set(H5_SZIP_FOUND FALSE)
if(NOT DEFINED LIBAEC_PACKAGE_NAME)
set(LIBAEC_PACKAGE_NAME "libaec")
endif ()
if (HDF5_ENABLE_SZIP_SUPPORT)
option (HDF5_ENABLE_SZIP_ENCODING "Use SZip Encoding" ON)
if (NOT SZIP_USE_EXTERNAL)
if (HDF5_USE_LIBAEC_STATIC)
set(LIBAEC_SEARCH_TYPE static)
else ()
set(LIBAEC_SEARCH_TYPE shared)
endif ()
set(libaec_USE_STATIC_LIBS ${HDF5_USE_LIBAEC_STATIC})
set(SZIP_FOUND FALSE)
# Search pure Config mode, there is not a FindSZIP module available
find_package (SZIP NAMES ${LIBAEC_PACKAGE_NAME}${HDF_PACKAGE_EXT} OPTIONAL_COMPONENTS ${LIBAEC_SEARCH_TYPE})
set(H5_SZIP_FOUND ${SZIP_FOUND})
if (H5_SZIP_FOUND)
set (H5_SZIP_INCLUDE_DIR_GEN ${SZIP_INCLUDE_DIR})
set (H5_SZIP_INCLUDE_DIRS ${H5_SZIP_INCLUDE_DIRS} ${SZIP_INCLUDE_DIR})
set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${SZIP_LIBRARIES})
endif ()
else ()
if (HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "GIT" OR HDF5_ALLOW_EXTERNAL_SUPPORT MATCHES "TGZ")
EXTERNAL_SZIP_LIBRARY (${HDF5_ALLOW_EXTERNAL_SUPPORT} ${HDF5_ENABLE_SZIP_ENCODING})
message (VERBOSE "Filter SZIP is built using library AEC")
set (LINK_COMP_LIBS ${LINK_COMP_LIBS} ${H5_SZIP_STATIC_LIBRARY})
endif ()
endif ()
if (H5_SZIP_FOUND)
set (H5_HAVE_FILTER_SZIP 1)
set (H5_HAVE_SZLIB_H 1)
set (H5_HAVE_LIBSZ 1)
set (HDF5_COMP_INCLUDE_DIRECTORIES "${HDF5_COMP_INCLUDE_DIRECTORIES};${H5_SZIP_INCLUDE_DIRS}")
message (VERBOSE "Filter SZIP is ON")
if (H5_HAVE_FILTER_SZIP)
set (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} DECODE")
endif ()
if (HDF5_ENABLE_SZIP_ENCODING)
set (H5_HAVE_SZIP_ENCODER 1)
set (EXTERNAL_FILTERS "${EXTERNAL_FILTERS} ENCODE")
endif ()
else ()
set (HDF5_ENABLE_SZIP_SUPPORT OFF CACHE BOOL "" FORCE)
message (FATAL_ERROR "SZIP support in HDF5 was enabled but not found")
endif ()
endif ()